JP7199524B2 - vehicle lamp - Google Patents

Description

The present invention relates to a vehicle lamp.

A vehicle lamp having a function of changing the direction of emitted light is known, and Patent Document 1 below discloses a vehicle lamp having this function.

A vehicle lamp described in Patent Document 1 below includes an actuator having an output shaft that can move in parallel in a direction different from the axial direction, a lamp unit that is swingably supported, and a transmission that is connected to the output shaft and the lamp unit. and a member. Patent Document 1 listed below describes a configuration in which this transmission member is supported by a shaft extending in a direction parallel to the moving direction of the output shaft so as to be movable along the shaft. In the vehicular lamp of this form, the movement of the output shaft of the actuator causes the transmission member connected to the output shaft to move, thereby rocking the lamp unit. Then, the direction of the light emitted from the vehicle lamp of this form is changed.

Further, Patent Literature 1 listed below describes another form in which the transmission member is movable along a direction parallel to the moving direction of the output shaft. In this alternative form, the connecting portion of the transmission member connected to the lamp unit intersects a plane including the axis of the output shaft and having an in-plane direction along the moving direction of the output shaft. In this other form of vehicle lamp, the movement of the output shaft of the actuator causes the transmission member connected to the output shaft to move, swinging the lamp unit, and changing the direction of the light emitted from the vehicle lamp. be.

JP 2018-052359 A

A vehicle lamp according to a first aspect of the present invention includes an actuator having an output shaft capable of parallel movement in a direction different from the axial direction, a lamp unit supported swingably, and the output shaft and the lamp unit connected to each other. a transmission member that is supported by a shaft, and that the transmission member swings about the shaft as the output shaft moves.

In this vehicular lamp of the first aspect, the movement of the output shaft of the actuator causes the transmission member connected to the output shaft to swing around the shaft, and the lighting unit to which the transmission member is connected swings. . As a result, the direction of light emitted from the vehicle lamp is changed. Here, in general, the energy of friction between the shaft and the member that is generated when the member that is rockably supported by the shaft is rocked causes the member that is movably supported by the shaft to move along the shaft. It tends to be smaller than the frictional energy generated between the shaft and the member during movement. In this vehicle lamp of the first aspect, the transmission member is swingably supported by the shaft as described above. Therefore, compared to the case where the transmission member is movably supported by the shaft along the shaft, it is possible to reduce the frictional energy generated between the shaft and the transmission member when the lamp unit swings. Therefore, the driving force for moving the output shaft of the actuator can be reduced, and the size of the actuator can be reduced to reduce the size of the vehicle lamp. In this manner, the vehicle lamp of the first aspect can be made compact while making it possible to change the direction of emitted light.

In the vehicle lamp of the first aspect, when viewed from the extension direction of the shaft, the transmission member has a first connection portion connected to the lamp unit, and the transmission member has a first connection portion connected to the output shaft. The second connection portion and the shaft may be positioned on a predetermined straight line.

With such a configuration, the driving force for moving the output shaft can be effectively transmitted to the lamp unit. Therefore, the driving force for moving the output shaft can be reduced, the actuator can be made smaller, and the vehicular lamp can be made smaller.

In this case, when viewed from the extending direction of the shaft, the first connecting portion and the second connecting portion may be positioned on a predetermined circumference around the central axis of the shaft.

With such a configuration, the lamp unit can be swung with approximately the same driving force as the driving force for moving the output shaft.

Further, in the vehicle lamp of the first aspect, the transmission member includes a first connection portion connected to the lamp unit, a second connection portion connected to the output shaft of the transmission member, and the shaft. , may intersect a predetermined plane perpendicular to the extending direction of the shaft.

With such a configuration, it is possible to suppress the application of a force that twists the transmission member to the transmission member, and effectively transmit the driving force for moving the output shaft to the lamp unit. Therefore, the driving force for moving the output shaft can be reduced, the actuator can be made smaller, and the vehicular lamp can be made smaller.

Further, in the vehicle lamp of the first aspect, the transmission member has, when viewed from the extension direction of the shaft, a predetermined distance connecting a first connection portion of the transmission member that is connected to the lamp unit and the shaft. It is also possible to have a recess that is recessed from one side based on the line segment to the other side beyond the predetermined line segment.

The vehicle lamp of the first aspect may further include a bracket to which the actuator is fixed, and the bracket may have a bearing portion that supports the shaft.

In this vehicular lamp of the first aspect, the bracket also serves as a bearing portion that supports the shaft, so that an increase in the number of parts can be suppressed.

Further, when the vehicle lamp of the first aspect includes a bracket, the vehicle lamp further includes a bracket fixing member to which the bracket is fixed, and the bracket includes at least two brackets fixed to the bracket fixing member. a first plane perpendicular to a specific straight line passing through the at least two fixing portions and passing through a specific fixing portion of the at least two fixing portions; It may be positioned between a second plane that is parallel to the first plane and passes through a different one of the at least two fixing parts from the specific fixing part.

Since the bearing that supports the shaft receives force from the shaft, the area around the bearing in the bracket tends to be easily deformed. However, with the configuration as described above, it is possible to improve the rigidity of the bracket around the bearing portion, thereby suppressing deformation of the bracket.

Further, when the vehicle lamp of the first aspect includes a bracket, the vehicle lamp further includes a bracket fixing member to which the bracket is fixed, and the shaft is inserted into a hole formed in the bearing portion. and the bracket fixing member has a retaining portion that overlaps at least a portion of the hole when viewed from the extension direction of the shaft and prevents the shaft from coming out of the hole. good.

In this vehicular lamp of the first aspect, the bracket fixing member also serves as a retaining portion that prevents the shaft from coming out of the hole, so an increase in the number of parts can be suppressed.

A vehicle lamp according to a second aspect of the present invention includes an actuator having an output shaft capable of parallel movement in a direction different from the axial direction, a lamp unit supported so as to be swingable, and the output shaft and the lamp unit connected to each other. and a transmission member movable along a direction parallel to the direction of movement of the output shaft, wherein a first connection portion of the transmission member connected to the lamp unit includes the axis of the output shaft and the It is spaced apart from a first plane having an in-plane direction along the direction of movement of the output shaft.

In this vehicle lamp of the second aspect, the transmission member connected to the output shaft moves along a direction parallel to the movement direction of the output shaft by moving the output shaft of the actuator, and the transmission member is connected. The lighting unit is swung. As a result, the direction of light emitted from the vehicle lamp is changed. Further, in the vehicle lamp of the second aspect, as described above, the first connecting portion is separated from the first plane including the axis of the output shaft and having an in-plane direction along the moving direction of the output shaft. . Therefore, compared with the case where the first connection portion intersects with the first plane as in another form of the vehicle lamp described in Patent Document 1, there are fewer restrictions on the position of the first connection portion with respect to the actuator. . Therefore, compared to this case, the degree of freedom in arranging the actuator can be improved, and the degree of freedom in designing the vehicle lamp can be improved.

Further, in the vehicle lamp of the second aspect, the axis of the output shaft may extend in the horizontal direction.

Further, the vehicle lamp of the second aspect further includes a shaft that extends in a direction parallel to the moving direction of the output shaft and supports the transmission member, and the first connecting portion is arranged on the first plane. A second connection portion of the transmission member, which is located on one side of a second plane parallel to and passes through the shaft and is connected to the output shaft, is located on the other side of the second plane. You can do it.

With such a configuration, it is possible to suppress the force acting on the shaft to bend the shaft, and to effectively transmit the driving force for moving the output shaft to the lamp unit. Therefore, the driving force for moving the output shaft can be reduced, and the size of the actuator can be reduced to reduce the size of the vehicle lamp.

Further, when the vehicle lamp of the second aspect includes a shaft, the distance between the first connecting portion and the second plane is greater than the distance between the second connecting portion and the second plane. may be

With such a configuration, it is possible to suppress bending of a portion of the transmission member between the second connecting portion and the shaft. Therefore, the vehicle lamp of the second aspect can suppress the driving force that moves the output shaft from acting on the shaft, and can effectively transmit the driving force to the lamp unit.

Further, when the vehicle lamp of the second aspect includes a shaft, the first connection portion may intersect a third plane perpendicular to the axial direction of the output shaft and including the central axis of the shaft.

With such a configuration, bending of the portion of the transmission member between the first connecting portion and the shaft can be suppressed as compared with the case where the first connecting portion does not intersect the third plane. Therefore, the vehicle lamp of the second aspect can effectively transmit the driving force for moving the output shaft to the lamp unit.

Further, in the vehicle lamp of the second aspect, the transmission member is a plate member extending in a direction perpendicular to the axial direction of the output shaft, and the output shaft is inserted into the transmission member. The holes may be formed along the thickness direction.

With such a configuration, the width of the transmission member in the axial direction of the output shaft can be reduced, and the size of the vehicle lamp can be reduced.

1 is a diagram showing a vehicle lamp according to a first embodiment of the present invention; FIG. FIG. 4 is a perspective view showing an actuator, a bracket, and a transmission member; 3 is an exploded perspective view of the actuator, bracket, and transmission member shown in FIG. 2; FIG. 3 is a front view of the actuator, bracket, and transmission member shown in FIG. 2; FIG. FIG. 5 is a cross-sectional view taken along line VV of FIG. 4; FIG. 5 is a cross-sectional view taken along line VI-VI of FIG. 4; 4 is a cross-sectional view of the first bearing holding member; FIG. FIG. 2 is a diagram showing a state of the vehicle lamp in which the output shaft of the actuator has moved forward in a manner similar to that of FIG. 1; FIG. 2 is a diagram showing the state of the vehicle lamp in which the output shaft of the actuator has moved rearward, in the same manner as in FIG. 1; FIG. 6 is a front view schematically showing a vehicle lamp according to a second embodiment of the invention; FIG. 11 is a cross-sectional view taken along line XI-XI of FIG. 10; 11 is a cross-sectional view taken along line XII-XII of FIG. 10; FIG. FIG. 4 is a perspective view showing an actuator, a bracket, and a transmission member; 14 is a front view of the actuator, bracket, and transmission member shown in FIG. 13; FIG. 14 is an exploded perspective view of the actuator, bracket, and transmission member shown in FIG. 13; FIG. 14 is an enlarged view of the actuator shown in FIG. 13; FIG. 14 is a side view of the actuator, bracket, and transmission member shown in FIG. 13; FIG. FIG. 18 is a cross-sectional view taken along line XVIII-XVIII of FIG. 17; 14 is an enlarged view of the bracket shown in FIG. 13; FIG. FIG. 15 is a cross-sectional view taken along line XX-XX of FIG. 14; 4 is a cross-sectional view of the first bearing holding member; FIG. FIG. 13 is a diagram showing the state of the vehicle lamp in which the output shaft of the actuator has moved forward in a manner similar to that of FIG. 12; FIG. 13 is a view showing the state of the vehicle lamp in which the output shaft of the actuator has moved rearward, in a manner similar to that of FIG. 12;

Hereinafter, embodiments for implementing a vehicle lamp according to the present invention will be exemplified along with the accompanying drawings. The embodiments illustrated below are intended to facilitate understanding of the present invention, and are not intended to limit and interpret the present invention. The present invention can be modified and improved from the following embodiments without departing from its gist. In the drawings referred to below, there are cases where the dimensions of each member are changed and the reference numerals are omitted in order to facilitate understanding.

(First embodiment)
A first embodiment as a first aspect of the present invention will be described. FIG. 1 is a diagram showing a vehicle lamp according to the present embodiment, and is a diagram schematically showing a vertical cross section of the vehicle lamp. The vehicle lamp 1 of this embodiment is a vehicle headlamp that emits light forward of the vehicle. As shown in FIG. 1, the vehicle lamp 1 of this embodiment mainly includes a housing 10, a lamp unit 20, an actuator 50, a bracket 70, and a transmission member 80. As shown in FIG.

The housing 10 of this embodiment includes a lamp housing 11 and a front cover 12 . The lamp housing 11 is configured in a box shape having one opening at the front by a cylindrical frame wall 13 extending in the front-rear direction and a rear wall 14 closing the opening on the rear side of the frame wall 13 . A front cover 12 is fixed to the frame wall 13 so as to close the opening of the lamp housing 11 . A space formed by the lamp housing 11 and the front cover 12 closing the front opening of the lamp housing 11 is a lamp chamber R, and the lamp unit 20, the actuator 50, the bracket 70, and the transmission member 80 are installed in the lamp chamber R. is accommodated.

The lamp unit 20 is configured to be swingably supported by the housing 10 and emit light. The lamp unit 20 of this embodiment mainly includes a light emitting portion 21 for emitting light and a support portion 40 . The light emitting section 21 of this embodiment includes a light source 22, a heat sink 24, a reflector 27, a projection lens 28, and a lens holder 30 as main components.

The light source 22 is a light emitting element that emits light, and the light source 22 in this embodiment is an LED (Light Emitting Diode) that emits white light and is mounted on the substrate 23 . In addition, the kind of the light source 22 is not specifically limited. As the light source 22, for example, an LD (Laser Diode), an OLED (Organic Light-Emitting Diode), or the like can be used. Also, the number of light sources 22 and the color of light emitted from the light sources 22 are not particularly limited.

The heat sink 24 has a metal main plate 25 extending in a substantially horizontal direction, and a plurality of radiation fins 26 are provided integrally with the main plate 25 on the lower surface side of the main plate 25 . A substrate 23 is mounted on the upper surface of the main plate 25 of the heat sink 24 . Part of the heat generated by the light source 22 is transmitted to the heat sink 24 via the substrate 23 and emitted from the heat sink 24 .

The reflector 27 is made of a curved plate member and fixed to the heat sink 24 so as to cover the light source 22 from above. The surface of the reflector 27 on the light source 22 side is a reflecting surface 27 r that reflects the light emitted from the light source 22 . The reflecting surface 27r is curved in a concave shape toward the side opposite to the light source 22 side, and is configured to reflect at least part of the light emitted from the light source 22 toward the projection lens 28 side. In this embodiment, the reflective surface 27r is based on a spheroidal curved surface, and the first focal point of this elliptical curved surface is a curved surface located on or near the emission surface of the light source 22 . That is, the light source 22 and the reflector 27 are arranged so as to have such a positional relationship.

The projection lens 28 is positioned forward of the light source 22 and the reflector 27, and at least part of the light emitted from the light source 22 and reflected by the reflector 27 passes through the projection lens 28, and the light is emitted from the light emitting portion 21. . The projection lens 28 of this embodiment is an aspherical plano-convex lens, the incident surface, which is the surface on which the light reflected by the reflector 27 is incident, is planar, and the exit surface, which is the surface from which the light is emitted, is planar. It has a convex shape that expands in the direction in which this light is emitted. A flange 29 is formed on the outer circumference of the projection lens 28 . The projection lens 28 is arranged so that the focal point on the reflector 27 side is positioned at or near the second focal point of the reflecting surface 27r of the reflector 27. As shown in FIG. In other words, the light emitting section 21 of this embodiment is a PES (Projector Ellipsoid System) optical system. The light emitted from the light emitting portion 21 is emitted forward of the vehicle through the front cover 12 .

A lens holder 30 is a member that holds the projection lens 28 . In this embodiment, the flange 29 of the projection lens 28 is fixed to one end of the lens holder 30 , and the end of the lens holder 30 opposite to the projection lens 28 is fixed to the heat sink 24 and the reflector 27 .

The support portion 40 is a member that supports the light emitting portion 21 . The support part 40 of this embodiment is a plate-shaped member extending in the vertical direction and the horizontal direction. The heat sink 24 is fixed to the support portion 40 so that the projection lens 28 is located on the front side of the support portion 40 . By fixing the heat sink 24 to the support portion 40 in this manner, the light emitting portion 21 is fixed to the support portion 40 . A through hole is formed in the support portion 40 above the light emitting portion 21, and the first bearing holding member 41 is fitted in the through hole. A first connecting portion of a transmission member 80 to be described later is connected to the first bearing holding member 41 .

A through hole is formed in the support portion 40 below the light emitting portion 21 , and a tubular second bearing holding member 42 is fitted in the through hole. A screw support member 43 is connected to the second bearing holding member 42 . The screw support member 43 of this embodiment includes a main body portion 43a extending in the front-rear direction and a contact portion 43b extending downward from the rear end portion of the main body portion 43a. The abutting portion 43 b abuts against the frame wall 13 of the lamp housing 11 of the housing 10 , and the screw support member 43 is placed on the inner peripheral surface of the frame wall 13 . The front end portion of the main body portion 43a is formed in a partial spherical shape in which a portion of the sphere is cut off by a flat surface, and the flat portion of the cut off portion of the sphere is used as the front end surface of the main body portion 43a. The inner peripheral surface of the cylindrical second bearing holding member 42 at the rear end portion located on the rear side of the support portion 40 is a curved surface corresponding to the partial spherical shape of the front end portion of the main body portion 43a. The front end portion of the main body portion 43a is fitted to the rear end portion of the second bearing holding member 42, and the second bearing holding member 42 and the screw support member 43 are connected to each other. The second bearing holding member 42 swings with respect to the screw support member 43 within a predetermined range with the front end portion of the main body portion 43a as a fulcrum. Therefore, the support portion 40 is supported by the screw support member 43 so as to swing within a predetermined range with the front end portion of the main body portion 43a of the screw support member 43 as a fulcrum.

A threaded hole is formed through the body portion 43a in the front-rear direction, and an aiming screw 44 is screwed into the threaded hole. The aiming screw 44 passes through the inner space of the cylindrical second bearing holding member 42 , and one end of the aiming screw 44 is located forward of the second bearing holding member 42 . A head portion 45, which is the other end of the aiming screw 44, is exposed outside the lamp chamber R. As shown in FIG. The aiming screw 44 is supported by the rear wall 14 of the lamp housing 11 so as to be rotatable about the axis and not axially movable. Therefore, by rotating the aiming screw 44 , the screw support member 43 moves in the longitudinal direction, which is the axial direction of the aiming screw 44 , with respect to the housing 10 . Here, as described above, the support portion 40 is supported by the screw support member 43 so as to swing within a predetermined range with the front end portion of the main body portion 43a of the screw support member 43 as a fulcrum. A light emitting portion 21 is fixed. Therefore, the lamp unit 20 is swingably supported by the housing 10, and the position of the swing fulcrum of the lamp unit 20 can be changed in the front-rear direction.

The actuator 50 has an output shaft 60 and a driving portion 51 . Note that the internal structure of the drive unit 51 is omitted in FIG. In this embodiment, the actuator 50 is arranged on the rear side of the support portion 40 . Further, the driving portion 51 is fixed to a bracket 70 to be described later, and the output shaft 60 is connected to a transmission member 80 to be described later.

FIG. 2 is a perspective view showing the actuator 50, the bracket 70, and the transmission member 80, viewed from the front and above. 3 is an exploded perspective view of actuator 50, bracket 70, and transmission member 80 shown in FIG. Note that FIG. 3 also shows part of the lamp housing 11 . FIG. 4 is a front view of the actuator 50, the bracket 70, and the transmission member 80 shown in FIG. 2, and is a front view of these as seen from the front side.

As shown in FIGS. 2 to 4, the drive unit 51 includes a housing 52 and a drive mechanism (not shown). The housing 52 includes a housing body 53 and a lid member 54 . The housing main body 53 is configured in a box-like shape having one opening by a substantially rectangular cylindrical frame wall 55 and a bottom wall 56 closing one opening of the frame wall 55 . The bottom wall 56 is formed in a flat plate shape substantially perpendicular to the extending direction of the frame wall 55 . Further, the frame wall 55 is provided with a pair of mounting pieces 53a, 53a projecting outward. Through-holes are formed in the pair of attached pieces 53a, 53a so as to extend therethrough in a direction substantially parallel to the extending direction of the frame wall 55. As shown in FIG.

The lid member 54 is a plate-like member that closes the opening of the housing body 53, and is fixed to the frame wall 55 by a lock mechanism. For this reason, the lid member 54 forms part of the locking mechanism, and the frame wall 55 forms another part of the locking mechanism. The drive mechanism is accommodated in a space formed by the housing body 53 and the lid member 54 closing the opening of the housing body 53 . The lid member 54 is provided with attached pieces 54 a , 54 a overlapping the attached pieces 53 a , 53 a when fixed to the frame wall 55 . Through-holes are formed in the mounting pieces 54a, 54a so as to extend therethrough in a direction substantially parallel to the extending direction of the frame wall 55, and the through-holes overlap with the through-holes of the mounting pieces 53a, 53a.

Further, the lid member 54 has a flat region 54b extending substantially parallel to the bottom wall 56 of the housing body 53, and a through hole through which the output shaft 60 can be inserted through the flat region 54b in the thickness direction. A hole 54h is formed. 54 h of through-holes of this embodiment are formed in the shape of an oval track|truck which made into the circular arc which a pair of short side in a rectangle curves outward. That is, the diameter of the through hole 54h is elongated in a predetermined direction. The through hole 54h is located closer to the other attached piece 54a than the one attached piece 54a and closer to the one attached piece 54a than the other attached piece 54a.

5 is a cross-sectional view taken along the line VV in FIG. 4, a cross-sectional view along the axis 60a of the output shaft 60, and a cross-section perpendicular to the extending direction of the shaft 85 that supports the transmission member 80, which will be described later. be. 5, description of the internal structure of the driving portion 51 is omitted, and the first bearing holding member 41 attached to the support portion 40 is also illustrated. As shown in FIGS. 3 and 5, the output shaft 60 has a connecting protrusion 61 at one end. In the present embodiment, the shape of the connecting protrusion 61 in the cross section along the axis 60a of the output shaft 60 is an arc in which a pair of short sides of a long rectangle that is elongated in a direction substantially perpendicular to the axis 60a curves outward. It has an oval track shape. The output shaft 60 is inserted into the through hole 54h of the lid member 54 so that the other end opposite to the connection projection 61 is positioned in the internal space of the housing 52, and at least the connection projection 61 is inserted into the through hole 54h. The portion including the drive portion 51 protrudes outward from the through hole 54h. Further, the axis 60a of the output shaft 60 and the flat region 54b of the lid member 54 are substantially perpendicular.

The drive mechanism is configured to transmit power to the output shaft 60 to move the output shaft 60 in parallel along the longitudinal direction of the diameter of the through hole 54h. As described above, the output shaft 60 is inserted into the through hole 54h such that the shaft 60a and the flat region 54b of the lid member 54 are substantially perpendicular. Therefore, it can be understood that the drive mechanism translates the output shaft 60 in a direction substantially perpendicular to the direction of the axis 60a within the through hole 54h, and the actuator 50 moves the output shaft 60 in a direction different from the direction of the axis 60a. It is understandable to have As such a drive mechanism, for example, there is a configuration including a motor and a power transmission mechanism that transmits the driving force of the motor to the output shaft 60 by a plurality of gears or the like. Further, in this embodiment, the width of the driving portion 51 in the direction of the axis 60a is smaller than the width of the driving portion 51 in the direction perpendicular to the direction of the axis 60a, and the width of the actuator 50 in the direction of the axis 60a is It is smaller than the width of the actuator 50 in the direction perpendicular to the direction of the axis 60a.

The bracket 70 is a member to which the actuator 50 is fixed. For example, a material for forming the bracket 70 is resin. The bracket 70 of this embodiment includes a mounting plate 71 and a support plate 72 . The mounting plate 71 extends along the lid member 54 of the housing 52 on the side opposite to the housing body 53 side of the lid member 54 . The mounting plate 71 has bosses 73, 73 that protrude toward the lid member 54 and contact the mounting pieces 54a, 54a. Threaded holes extending along the bosses 73 , 73 from the end faces are formed in the tip portions of the bosses 73 , 73 . When viewed from the extending direction of the screw, the threaded hole is located inside the outer peripheral edge of the through hole formed in the attached pieces 53a and 54a and the outer peripheral edge of the through hole formed in the attached pieces 54a and 54a. located inside. A through hole 71h is formed through the mounting plate 71 in the thickness direction. 54h is located. 71 h of through-holes of this embodiment are formed in the substantially rectangular shape elongated in the direction substantially parallel to the longitudinal direction of the diameter of 54 h of through-holes. Further, the mounting plate 71 is provided with a rib 77 that protrudes toward the lid member 54 and contacts the flat region 54 b of the lid member 54 .

The support plate 72 extends a predetermined length from the mounting plate 71 to the side opposite to the lid member 54 side, and is formed integrally with the mounting plate 71 . The support plate 72 is positioned on one side of the center of the through hole 54h in a direction substantially parallel to the longitudinal direction of the diameter of the through hole 54h. A portion of the connecting portion between the support plate 72 and the mounting plate 71 extends along a portion of the outer peripheral edge of the through hole 71h formed in the mounting plate 71, and the support plate 72 partially connects the through hole 71h. is stipulated. A pair of through holes 72h1, 72h1 are formed in the support plate 72 so as to penetrate in the thickness direction. The pair of through holes 72h1, 72h1 of the present embodiment intersect a predetermined plane perpendicular to the axis 60a of the output shaft 60. As shown in FIG. Further, in the vicinity of the through holes 72h1, 72h1 in the support plate 72, other through holes 72h2, 72h2 are formed through in the thickness direction. In this embodiment, one through hole 72h2 is formed in a substantially circular shape, and the other through hole is formed in an oval track shape elongated in a predetermined direction. Further, although details will be described later, a bearing portion 74 that supports a shaft 85 described later is provided on the output shaft 60 side of the support plate 72 .

As shown in FIG. 3, the actuator 50 is fixed to the bracket 70 by bolts 17a, 17a. Specifically, the bolt 17a is inserted into the through holes of the mounting pieces 53a, 53a and the mounting pieces 54a, 54a of the driving portion 51 of the actuator 50, and the bolt 17a is inserted into the screw holes of the bosses 73, 73 of the mounting plate 71. The actuator 50 is fixed to the bracket 70 by screwing into the . Here, as described above, the mounting plate 71 is provided with the rib 77 that contacts the flat region 54b of the lid member 54 . Therefore, the actuator 50 is supported by the bracket 70 in a state in which the pair of attached pieces 54a and 54a and a portion of the flat region 54b are in contact with the bracket 70, that is, in a state in which three portions are in contact.

The transmission member 80 is a member connected to the output shaft 60 of the actuator 50 and the lamp unit 20 . Examples of the material that constitutes the transmission member 80 include resin. The transmission member 80 of this embodiment has a base portion 81 , a columnar arm portion 82 having a first connection portion 83 , and a second connection portion 84 .

The base portion 81 is a plate-like member elongated in a predetermined direction, and is formed with a through hole 81h penetrating in the thickness direction. Further, on the one end side of the through hole 81h in the base portion 81, a narrow portion 81a is provided which is notched in the width direction to a predetermined length along the extending direction from the one end. The width of the narrow portion 81a is smaller than the width of the portion where the through hole 81h is provided.

The arm portion 82 extends from the end of the narrow portion 81a, which is one end of the base portion 81, on the side opposite to the through hole 81h side and extends substantially parallel to the width direction of the base portion 81 and to the side where the base portion 81 is notched. It is a columnar member that extends toward and is formed integrally with the base portion 81 . For this reason, the portion of the transmission member 80 formed by the narrow portion 81a of the base portion 81 and the arm portion 82 is formed in a substantially L-shape, and the transmission member 80 has a concave portion 80a recessed in the width direction of the base portion 81. have. Further, the arm portion 82 has a substantially spherical first connection portion 83 at its tip. A hole 82 h is formed in the arm portion 82 along the direction in which the arm portion 82 extends from the first connection portion 83 that is the distal end portion of the arm portion 82 .

The second connection portion 84 is formed integrally with the base portion 81, similar to the arm portion 82. As shown in FIG. The second connection portion 84 closes a cylindrical frame wall 84a extending from the other end of the base portion 81 in a direction parallel to the extending direction of the base portion 81 and an opening of the frame wall 84a on the base portion 81 side. bottom wall 84b. For this reason, the frame wall 84a of the second connection portion 84 is formed with an opening 84h on the side opposite to the base portion 81 side. Also, the inner diameter of the frame wall 84 a is substantially the same as the maximum diameter of the connecting protrusion 61 of the output shaft 60 .

Such a transmission member 80 is supported by a shaft 85 inserted into the through hole 81h of the base portion 81 so as to swing about the shaft 85 as an axis. The shaft 85 is supported by bearings 74 provided on the support plate 72 of the bracket 70 . That is, the transmission member 80 is supported by the bracket 70 so as to swing around the shaft 85 .

6 is a sectional view taken along the line VI-VI in FIG. 4, a sectional view along the shaft 85, and a sectional view perpendicular to the axis 60a of the output shaft 60. FIG. Note that FIG. 6 also shows part of the lamp housing 11 . As shown in FIG. 6, in this embodiment, the bearing portion 74 includes a first receiving portion 75 and a second receiving portion 76 that protrude from the support plate 72 toward the side where the output shaft 60 is located. The first receiving portion 75 and the second receiving portion 76 are separated from each other by a distance substantially equal to the thickness of the base portion 81 of the transmission member 80 in a direction substantially perpendicular to the moving direction of the output shaft 60 . A through hole 75 h is formed in the first receiving portion 75 so as to penetrate in a direction substantially perpendicular to the moving direction of the output shaft 60 . The second receiving portion 76 extends from the surface on the first receiving portion 75 side in a direction substantially parallel to the moving direction of the output shaft 60 , and extends in a direction substantially perpendicular to the moving direction of the output shaft 60 . A hole 76h is formed which overlaps with the through hole 75h. The shaft 85 is supported by the bracket 70 by being inserted into the through hole 75h of the first receiving portion 75, the through hole 81h of the base portion 81 of the transmission member 80, and the hole 76h of the second receiving portion 76 in this order. be. The shaft 85 supported by the bracket 70 in this way extends in a direction substantially perpendicular to the moving direction of the output shaft 60 and the direction of the axis 60a of the output shaft 60 . Therefore, the transmission member 80 is supported by the shaft 85 so as to swing in a direction substantially parallel to the moving direction of the output shaft 60 .

Also, the first connection portion 83 of the transmission member 80 is connected to the first bearing holding member 41 attached to the support portion 40 . 7 is a cross-sectional view of the first bearing holding member 41, and is a horizontal cross-sectional view of the first bearing holding member 41. FIG. Note that FIG. 7 also shows part of the transmission member 80 . As shown in FIG. 7 , the first bearing holding member 41 has a main body portion 46 fitted with the first connecting portion 83 and an attachment portion 47 . The body portion 46 is composed of a pair of side walls 46a and a bottom wall 46b, and the shape of the horizontal cross section of the body portion 46 is substantially U-shaped. The side walls 46a are connected to the left and right edges of the flat bottom wall 46b substantially perpendicular to the bottom wall 46b. At the end of each side wall 46a opposite to the bottom wall 46b side, a contact piece 46c is provided that protrudes inward from the end toward the bottom wall 46b side. A concave portion corresponding to the tip portion of the first connection portion 83 is formed in the surface of the bottom wall 46b on the side wall 46a side. The mounting portion 47 is formed in a tubular shape extending from the bottom wall 46b of the main body portion 46 to the side opposite to the side wall 46a. The first bearing holding member 41 is attached to the support portion 40 by fitting the attachment portion 47 into the through hole of the support portion 40 from the side opposite to the light emitting portion 21 side.

Also, between the pair of side walls 46a of the body portion 46, a substantially spherical first connection portion 83 is inserted from an opening on the side opposite to the bottom wall 46b side. At this time, the first connection portion 83 is pushed between the pair of side walls 46a while bending the contact piece 46c, and the tip of the first connection portion 83 fits into the recess provided in the bottom wall 46b. When the first connecting portion 83 is inserted into the body portion 46 in this manner, the tip of the contact piece 46c is positioned closer to the bottom wall 46b of the generally spherical first connecting portion 83 than the center of the first connecting portion 83. Abut on the part on the opposite side. That is, the contact piece 46c is formed so as to be as described above when the first connecting portion 83 is inserted into the main body portion 46. As shown in FIG. In such a main body portion 46 , the contact piece 46 c prevents the first connection portion 83 from coming off, the first bearing holding member 41 and the transmission member 80 are connected to each other, and the transmission member 80 is connected to the lamp unit 20 . be done. The first bearing holding member 41 connected to the transmission member 80 in this manner can swing with respect to the transmission member 80 within a predetermined range with the first connecting portion 83 as a fulcrum.

Further, as shown in FIG. 5, the connecting protrusion 61 of the output shaft 60 is inserted into the cylindrical frame wall 84a of the second connecting portion 84 of the transmission member 80, and the inner peripheral surface of the frame wall 84a A part of the connection projection 61 abuts. The outer peripheral surface of the connection protrusion 61 is curved in an arc so as to protrude outward along the direction of the shaft 60 a of the output shaft 60 . can be swung within a predetermined range with a fulcrum.

Here, since FIG. 5 is a cross section perpendicular to the extending direction of the shaft 85 that supports the transmission member 80, FIG. 5 is also a view seen from the extending direction of the shaft. In this embodiment, as shown in FIG. 5, when viewed from the direction in which the shaft 85 extends, the transmission member 80 has a first connection portion 83 connected to the lamp unit 20, and the transmission member 80 has a first connection portion 83 connected to the output shaft 60. The second connecting portion 84 and the shaft 85 are positioned on the first straight line L1. Note that these members do not have to be positioned on the first straight line L1. Also, when viewed from the extending direction of the shaft 85 , the first connecting portion 83 and the second connecting portion 84 are positioned on the circumference C<b>1 centering on the central axis of the shaft 85 . Note that the first connection portion 83 and the second connection portion 84 do not have to be located on the circumference C1. Also, the first connecting portion 83 , the second connecting portion 84 , and the shaft 85 intersect a plane perpendicular to the extending direction of the shaft 85 . Note that these members do not have to intersect the plane perpendicular to the extending direction of the shaft 85 . Further, when viewed from the extending direction of the shaft 85 , the recessed portion 80 a of the transmission member 80 is positioned between the first connecting portion 83 and the shaft 85 . The concave portion 80a is recessed from one side of a line segment SL1 connecting the first connecting portion 83 and the shaft 85 to the other side beyond the line segment SL1. In this embodiment, the recess 80a is adjacent to the first connecting portion 83, and a portion of the first bearing holding member 41 is located in the recess 80a.

The bracket 70 to which the actuator 50 is attached and which supports the transmission member 80 as described above is arranged rearward of the support portion 40 so that the movement direction of the output shaft 60 of the actuator 50 is the front-rear direction. fixed to That is, the lamp housing 11 is a bracket fixing member to which the bracket 70 is fixed, and the actuator 50 is fixed to the lamp housing 11 via the bracket 70 . Specifically, as shown in FIGS. 3 and 6 , the rear wall 14 of the lamp housing 11 is provided with a pair of bosses 15 projecting forward and a retaining portion 16 . Threaded holes 15a, 15a extending along the bosses 15, 15 from the end faces are formed in the distal end portions of the bosses 15, 15, respectively. Further, the bosses 15, 15 are provided with positioning ribs 15b, 15b projecting from the end faces in a direction substantially parallel to the extending direction of the bosses 15, 15. As shown in FIG. The positioning ribs 15b, 15b are inserted into the through holes 72h2, 72h2 of the support plate 72 of the bracket 70, and the bolts 17b, 17b are inserted into the through holes 72h1, 72h1 of the support plate 72, and the bolts 17b, 17b are inserted into the boss 15. , 15, the bracket 70 is fixed to the lamp housing 11 by screwing into the screw holes 15a, 15a. At this time, the fixing portion, which is the portion of the bracket 70 fixed to the lamp housing 11, is the portion of the support plate 72 that contacts the heads of the bolts 17b, 17b. be. In this embodiment, as shown in FIG. 6, a first plane P1 perpendicular to a second straight line L2 passing through the peripheral edge portions 72a, 72a and passing through one of the peripheral edge portions 72a, and a plane parallel to the first plane P1 and on the other side. The entire bearing portion 74 that supports the shaft 85 is located between the second plane P2 passing through the peripheral edge portion 72a.

The tip portion of the retaining portion 16 is positioned near the first receiving portion 75 of the bearing portion 74 . Further, the tip of the retaining portion 16 overlaps at least a portion of the through hole 75h and the hole 76h of the bearing portion 74 when viewed from the direction in which the shaft 85 extends. Further, the distance between the portion of the retaining portion 16 that overlaps at least a portion of the through hole 75h and the hole 76h as described above and the opening of the through hole 75h of the first receiving portion 75 on the side of the retaining portion 16 is the second The depth is made smaller than the depth of the hole 76 h of the receiving portion 76 . Therefore, when the shaft 85 moves in the axial direction, the shaft 85 comes into contact with the retaining portion 16 before coming out of the hole 76 h of the second receiving portion 76 . That is, the retaining portion 16 prevents the shaft 85 from coming off from the hole 76 h of the bearing portion 74 .

Next, the leveling adjustment operation for adjusting the direction of emission of light in the vehicle lamp 1 up and down will be described.

This leveling adjustment is performed by moving the output shaft 60 of the actuator 50 , and the driving force for moving the output shaft 60 of the actuator 50 is transmitted to the lamp unit 20 via the transmission member 80 . Here, the vehicle lamp 1 shown in FIG. 1 is in an initial state in which the output shaft 60 of the actuator 50 has not moved in the longitudinal direction. When the output shaft 60 of the actuator 50 moves forward from this initial state, as shown in FIG. 8, the transmission member 80 swings about the shaft 85, and the second connecting portion 84 moves forward and the first connecting portion 84 moves forward. The connecting portion 83 moves rearward. As the first connection portion 83 moves rearward, the support portion 40 pivots about the front end portion of the main body portion 43a of the screw support member 43 so as to tilt rearward, and the light output portion 21 emits light. The direction is changed upwards from the initial state.

On the other hand, when the output shaft 60 of the actuator 50 moves rearward from the initial state, the transmission member 80 swings about the shaft 85 as shown in FIG. 1 connection portion 83 moves forward. As the first connection portion 83 moves forward, the support portion 40 swings forward with the front end portion of the main body portion 43 a of the screw support member 43 as a fulcrum, and the light exit portion 21 emits light. The direction is changed downward from the initial state.

By the way, in general, an actuator for swinging a lamp unit has a certain size because it includes a drive section having a motor or the like for moving an output shaft. For this reason, vehicle lamps having actuators, such as the vehicle lamp described in Patent Document 1, tend to increase in size.

Therefore, the vehicular lamp 1 of this embodiment includes an actuator 50 having an output shaft 60 capable of parallel movement in a direction different from the direction of the axis 60a, a lamp unit 20 supported so as to swing, the output shaft 60 and the lamp unit. a transmission member 80 coupled to 20 . The transmission member 80 is supported by a shaft 85 and swings about the shaft 85 as the output shaft 60 moves.

In the vehicular lamp 1 of the present embodiment, the transmission member 80 connected to the output shaft 60 swings about the shaft 85 as the output shaft 60 of the actuator 50 moves, and the lamp unit connected to the transmission member 80 swings. 20 is rocked. As a result, the direction of light emitted from the vehicle lamp 1 is changed. Here, in general, the energy of friction between the shaft and the member that is generated when the member that is rockably supported by the shaft is rocked causes the member that is movably supported by the shaft to move along the shaft. It tends to be smaller than the frictional energy generated between the shaft and the member during movement. In the vehicle lamp 1 of this embodiment, the transmission member 80 is swingably supported by the shaft 85 as described above. Therefore, compared to the case where the transmission member 80 is movably supported by the shaft 85 along the shaft 85, the frictional energy generated between the shaft 85 and the transmission member 80 when the lamp unit 20 swings is reduced. can be reduced. Therefore, the driving force for moving the output shaft 60 in the actuator 50 can be reduced, and the size of the actuator 50 can be reduced, so that the vehicle lamp 1 can be reduced in size. In this manner, the vehicle lamp 1 of the present embodiment can be made compact while making it possible to change the direction of emitted light.

In the vehicle lamp 1 of the present embodiment, when viewed from the direction in which the shaft 85 extends, the first connection portion 83 of the transmission member 80 connected to the lamp unit 20 and the transmission member 80 connected to the output shaft 60 The second connecting portion 84 and the shaft 85 are positioned on the first straight line L1. Therefore, the driving force for moving the output shaft 60 can be effectively transmitted to the lamp unit 20 . Therefore, the driving force for moving the output shaft 60 can be reduced, the actuator 50 can be made smaller, and the vehicle lamp 1 can be made smaller.

In the vehicle lamp 1 of the present embodiment, when viewed from the extending direction of the shaft 85, the first connection portion 83 and the second connection portion 84 are arranged on the circumference C1 around the central axis of the shaft 85. To position. Therefore, the lamp unit 20 can be swung with substantially the same driving force as the driving force for moving the output shaft 60 . When the second connection portion 84 is positioned outside the circumference C1 centered on the central axis of the shaft 85 and passing through the first connection portion 83, the lamp unit 20 is moved by a force greater than the driving force for moving the output shaft 60. can oscillate. On the other hand, when the second connection portion 84 is positioned inside the circumference C1 passing through the first connection portion 83 around the central axis of the shaft 85, the movement of the output shaft 60 for swinging the lamp unit 20 by a predetermined angle is required. can shorten the distance.

In addition, in the vehicle lamp 1 of the present embodiment, the first connection portion 83 , the second connection portion 84 , and the shaft 85 intersect a plane perpendicular to the extending direction of the shaft 85 . Therefore, it is possible to suppress the force acting on the transmission member 80 to twist the transmission member 80 , and to effectively transmit the driving force for moving the output shaft 60 to the lamp unit 20 . Therefore, the driving force for moving the output shaft 60 can be reduced, the actuator 50 can be made smaller, and the vehicle lamp 1 can be made smaller.

The vehicle lamp 1 of this embodiment further includes a bracket 70 to which the actuator 50 is attached. This bracket 70 has a bearing portion 74 that supports the shaft 85 . In the vehicle lamp 1 of the present embodiment, the bracket 70 also serves as the bearing portion 74 that supports the shaft 85, so an increase in the number of parts can be suppressed.

The vehicle lamp 1 of this embodiment further includes a lamp housing 11 as a bracket fixing member to which the bracket 70 is fixed. The bracket 70 is fixed to the lamp housing 11 at the peripheral edges 72a, 72a of the two through holes 72h1, 72h1. In other words, it can be understood that the bracket 70 has two fixing parts fixed to the lamp housing 11 . A first plane P1 that is perpendicular to a second straight line L2 that passes through the two peripheral edge portions 72a and 72a as the fixing portion and that passes through one of the peripheral edge portions 72a, and a peripheral edge portion 72a that is parallel to the first plane P1 and the other peripheral edge portion 72a. The entire bearing portion 74 that supports the shaft 85 is located between the passing second plane P2. Since the bearing portion 74 that supports the shaft 85 receives force from the shaft 85, the periphery of the bearing portion 74 in the bracket 70 tends to be easily deformed. However, by configuring as described above, the rigidity of the periphery of the bearing portion 74 in the bracket 70 can be improved, and deformation of the bracket 70 can be suppressed. From the viewpoint of suppressing deformation of the bracket 70, at least part of the bearing portion 74 should be located between the first plane P1 and the second plane P2. However, as described above, it is preferable that the bearing portion 74 is located between the first plane P1 and the second plane P2.

Further, in the vehicle lamp 1 of the present embodiment, the shaft 85 is inserted into the through hole 75 h and the hole 76 h formed in the bearing portion 74 and supported by the bearing portion 74 . The lamp housing 11 as a bracket fixing member to which the bracket 70 is fixed overlaps with at least a part of the through hole 75h and the hole 76h when viewed from the extending direction of the shaft 85, thereby preventing the shaft 85 from coming out of the hole 76h. It has a stop 16 . Therefore, since the lamp housing 11 also serves as the retaining portion 16 that prevents the shaft 85 from coming out of the hole 76h, it is possible to suppress an increase in the number of parts.

As described above, the first aspect of the present invention has been described by taking the first embodiment as an example, but the first aspect of the present invention is not limited to this.

For example, in the first embodiment, the swinging fulcrum of the lamp unit 20 is positioned below the light emitting portion 21 . However, in the first aspect, it is sufficient that the lamp unit 20 is swingably supported. For example, the swinging fulcrum of the lamp unit 20 may be positioned above the light emitting portion 21 . In this case, it is preferable that the transmission member 80 is connected to the lamp unit below the light emitting portion 21 .

Further, in the first embodiment, the vehicle lamp 1 in which the light emission direction can be changed in the vertical direction has been described as an example. However, the change direction of the light emission direction in the vehicle lamp 1 as the first aspect is not particularly limited, and for example, the vehicle lamp 1 may be configured to be changeable in the left-right direction. As such a vehicle lamp, for example, the first bearing holding member 41 and the first connection portion 83 in the vehicle lamp 1 of the first embodiment are arranged on one side in the left-right direction of the light emitting portion 21, and the second A configuration in which the bearing holding member 42 and the screw supporting member 43 are arranged on the other side in the left-right direction of the light emitting portion 21 is exemplified.

Also, in the first embodiment, the bracket 70 is fixed to the lamp housing 11 by two bolts 17b, 17b. However, in the first aspect, the structure for fixing the bracket 70 to the lamp housing 11 is not particularly limited, and the number of fixing portions, which are portions of the bracket 70 fixed to the lamp housing 11, may be three or more. may be one. In the case where there are three or more fixing portions, at least a part of the bearing portion 74 is perpendicular to a specific straight line passing through at least two fixing portions and at least two fixing portions from the viewpoint of suppressing deformation of the bracket 70 . and a second plane that is parallel to the first plane and that passes through a different one of the at least two fixing parts than the specific fixing part. preferable. Moreover, the bracket fixing member to which the bracket 70 is fixed is not particularly limited, and the bracket 70 may be fixed to another member of the vehicle.

Also, in the first embodiment, the actuator 50 is fixed to the bracket 70 by two bolts 17a, 17a. However, in the first aspect, the configuration for fixing the actuator 50 to the bracket 70 is not particularly limited. Further, in the first embodiment, the actuator 50 is fixed to the lamp housing 11 by fixing the bracket 70 to the lamp housing 11 . However, the actuator 50 may be fixed to the lamp housing 11 without the bracket 70 , and the actuator 50 may be fixed to another member of the vehicle without the bracket 70 .

Further, in the first embodiment, the actuator 50 translates the output shaft 60 in a direction substantially perpendicular to the direction of the shaft 60a. However, in the first mode, the actuator 50 may translate the output shaft 60 in a direction different from the direction of the shaft 60a.

Further, in the first embodiment, the transmission member 80 and the lamp unit 20 are connected by connecting the substantially spherical first connecting portion 83 and the main body portion 46 having a substantially U-shaped cross section. Further, the transmission member 80 and the output shaft 60 are connected by connecting the second connecting portion 84 having a cylindrical shape having a bottom and the connecting protrusion 61 having an oval track-shaped cross section. However, in the first aspect, it is sufficient that these members are connected to each other so as to be able to swing within a predetermined range, and the configuration for connecting the members is not particularly limited.

Further, in the first embodiment, the transmission member 80 has the concave portion 80a. However, in the first aspect, the shape of the transmission member 80 is not particularly limited, and the transmission member 80 may not have the recess 80a.

Further, in the first embodiment, the light emitting section 21 is a PES optical system. However, in the first aspect, the configuration of the light emitting section 21 is not particularly limited. Moreover, the lamp unit 20 may include a plurality of light emitting portions 21 .

(Second embodiment)
Next, a second embodiment as a second aspect of the present invention will be described. Components that are the same as or equivalent to those of the first embodiment are denoted by the same reference numerals, and overlapping descriptions are omitted unless otherwise specified. In the second embodiment, the arrangement of actuators 50 is different from that in the first embodiment. Further, the vehicle lamp 1 in the second embodiment includes a bracket 170 and a transmission member 180 instead of the bracket 70 and the transmission member 80 in the first embodiment.

FIG. 10 is a front view schematically showing the vehicle lamp according to this embodiment. 11 is a cross-sectional view taken along line XI-XI of FIG. 10. FIG. 12 is a cross-sectional view taken along line XII-XII of FIG. 10. FIG.

In this embodiment, a through hole is formed in the support portion 40 above and to the left of the light emitting portion 21, and the first bearing holding member 41 is fitted into the through hole. In this specification, the right side is defined as the right side and the left side is defined as the left side as viewed in the traveling direction of the vehicle. A first connection portion of a transmission member 180 to be described later is connected to the first bearing holding member 41 .

In the present embodiment, through holes are formed in the left and right sides of the support portion 40 below the light emitting portion 21, and cylindrical second bearing holding members 42, 42 are fitted in the through holes. The left second bearing holding member 42 is positioned generally below the first bearing holding member 41 . Screw support members 43, 43 are connected to these second bearing holding members 42, 42, respectively. The support portion 40 is supported by the screw support members 43, 43 so as to swing within a predetermined range with the front end portion of the main body portion 43a of the screw support members 43, 43 as a fulcrum.

In the present embodiment, threaded holes penetrating in the front-rear direction are formed in the body portions 43a of the respective screw support members 43, 43, and aiming screws 44, 44 are screwed into the respective threaded holes. These aiming screws 44, 44 are supported on the rear wall 14 of the lamp housing 11 so as to be rotatable about the axis and not move axially. Therefore, by rotating the aiming screws 44 , 44 , the screw support members 43 , 43 move in the longitudinal direction, which is the axial direction of the aiming screws 44 , 44 , with respect to the housing 10 . Here, as described above, the support portion 40 is supported by the screw support members 43, 43 so as to swing within a predetermined range about the front ends of the body portions 43a, 43a of the screw support members 43, 43. , the light emitting portion 21 is fixed to the supporting portion 40 . Therefore, the lamp unit 20 is swingably supported by the housing 10, and the position of the swing fulcrum of the lamp unit 20 can be changed in the front-rear direction.

In this embodiment, the actuator 50 is arranged on the rear side of the support section 40 and on the left side of the light emitting section 21 . Further, the driving portion 51 is fixed to a bracket 70 which will be described later, and a transmission member 180 which will be described later is connected to the output shaft 60 .

FIG. 13 is a perspective view showing the actuator 50, the bracket 170, and the transmission member 180, viewed from above and behind. 14 is a front view of actuator 50, bracket 170, and transmission member 180 shown in FIG. 13, and is a front view of these as seen from the front side. 15 is an exploded perspective view of actuator 50, bracket 170, and transmission member 180 shown in FIG. Note that FIG. 15 also shows part of the lamp housing 11 . 16 is an enlarged view of the actuator 50 shown in FIG. 13. FIG. FIG. 17 is a side view of the actuator 50, bracket 170, and transmission member 180 shown in FIG. 18 is a cross-sectional view taken along line XVIII--XVIII of FIG. Note that the internal structure of the driving portion 51 and the bracket 170 are omitted in FIG. 18 .

The bracket 170 of this embodiment is a member to which the actuator 50 is fixed, like the bracket 70 of the first embodiment. For example, a material for forming the bracket 70 is resin. 19 is an enlarged view of the bracket 170 shown in FIG. 13. FIG. As shown in FIGS. 15 and 19 , the bracket 170 of this embodiment includes a main body portion 171 , a first fixing portion 172 , a second fixing portion 173 and a sliding member fixing portion 174 . The main body portion 171 is a substantially rectangular tube-shaped member. Specifically, the main body 171 includes a flat bottom wall 171a, a flat top wall 171b facing the bottom wall 171a, and an edge of the bottom wall 171a and an edge of the top wall 171b facing each other. It consists of a pair of flat plate-like side walls 171c and 171d. The bottom wall 171a and the top wall 171b are generally parallel, and the pair of side walls 171c and 171d are generally perpendicular to the bottom wall 171a. Also, the distance between the bottom wall 171a and the top wall 171b is smaller than the distance between the pair of side walls 171c and 171d. For this reason, the openings at both ends of the body portion 171 are generally rectangular. The body portion 171 has a bottom wall 171a facing the lid member 54 on the opposite side of the lid member 54 of the housing 52 to the housing body 53 side, and the diameter of the through hole 54h in the moving direction of the output shaft 60 is defined. It is arranged to extend along a direction perpendicular to the longitudinal direction.

A through-hole 171h is formed through the bottom wall 171a in the thickness direction, and when viewed from the direction of the shaft 60a of the output shaft 60, the through-hole 54h of the lid member 54 is located inside the outer peripheral edge of the through-hole 171h. positioned. In this embodiment, the pair of side walls 171c and 171d partially define the through hole 171h, and when viewed from the direction of the axis 60a of the output shaft 60, most of the through hole 171h is covered by the top wall 171b. ing. Further, although the details will be described later, the body portion 171 is provided with a bearing portion for supporting the shaft 185 described later.

In addition, as shown in FIG. 14, the bottom wall 171a has bosses 175, 175 which protrude toward the lid member 54 and abut against the mounting pieces 54a, 54a. Threaded holes extending along the bosses 175 , 175 from the end faces are formed in the tip portions of the bosses 175 , 175 . When viewed from the extending direction of the screw, the threaded hole is located inside the outer peripheral edge of the through hole formed in the attached pieces 53a and 54a and the outer peripheral edge of the through hole formed in the attached pieces 54a and 54a. located inside. The end of the side wall 171 d opposite to the top wall 171 b abuts on the flat region 54 b of the lid member 54 .

As shown in FIGS. 15 and 19 , the first fixing portion 172 protrudes from a bottom wall 171 a at one end of the body portion 171 toward the lid member 54 and is integrally formed with the body portion 171 . Two through holes 172 h 1 and 172 h 2 are formed in the first fixing portion 172 so as to pass through in a direction substantially parallel to the moving direction of the output shaft 60 . The second fixing portion 173 protrudes from the side wall 171 c at the other end of the main body portion 171 along the extending direction of the main body portion 171 and is formed integrally with the main body portion 171 . The second fixing portion 173 is connected to the bottom wall 171a. Two through holes 173 h 1 and 173 h 2 are formed in the second fixing portion 173 so as to penetrate in a direction substantially parallel to the moving direction of the output shaft 60 .

The sliding member fixing portion 174 is a member having a substantially U-shaped cross section perpendicular to the extending direction. Specifically, the sliding member fixing portion 174 is composed of a flat bottom wall 174a and flat side walls 174b, 174b connected to both side edges of the bottom wall 174a substantially perpendicularly to the bottom wall 174a. Become. The sliding member fixing portion 174 extends outward from one end of the main body portion 171 in a direction substantially parallel to the moving direction of the output shaft 60 and is formed integrally with the main body portion 171 . Specifically, the bottom wall 174 a is substantially perpendicular to the bottom wall 171 a of the body portion 171 and is connected to the edge of the side wall 171 d of the body portion 171 . The side walls 174b, 174b are generally parallel to the bottom wall 171a of the main body 171, and one side wall 174b is connected to the bottom wall 171a. At the ends of the side walls 174b, 174b on the side opposite to the bottom wall 174a side, fitting recesses 174c that open toward the bottom wall 174a side and extend along the extending direction of the sliding member fixing portion 174 are provided. , 174c are formed.

A sliding member 176 is attached to the sliding member fixing portion 174 . The sliding member 176 of this embodiment is a member having a substantially U-shaped cross section perpendicular to the extending direction. Specifically, the sliding member 176 is composed of a flat bottom wall 176a and flat side walls 176b, 176b connected to both side edges of the bottom wall 176a substantially perpendicularly to the bottom wall 176a. Fitting recesses 176c, 176c are formed in the respective side walls 176b, 176b so as to open to face each other and extend along the extending direction of the sliding member 176. As shown in FIG. Such a sliding member 176 is configured such that the ends of the side walls 176b, 176b opposite to the bottom wall 176a side are inserted into the fitting recesses 174c, 174c of the sliding member fixing portion 174, so that the sliding member It is attached to the fixed part 174 . Here, as described above, the sliding member fixing portion 174 protrudes outward from one end portion of the main body portion 171 in a direction substantially parallel to the moving direction of the output shaft 60 . Therefore, the fitting recesses 176 c , 176 c of the sliding member 176 attached to the sliding member fixing portion 174 extend in a direction substantially parallel to the moving direction of the output shaft 60 .

As shown in FIG. 15, the actuator 50 is fixed to the bracket 170 by bolts 17a, 17a. Specifically, the bolt 17a is inserted into the through holes of the mounting pieces 53a, 53a and the mounting pieces 54a, 54a in the driving portion 51 of the actuator 50, and the bolt 17a is inserted into the screw holes of the bosses 175, 175 in the body portion 171. The actuator 50 is fixed to the bracket 170 by screwing into the . Here, as described above, the end of the side wall 171d opposite to the top wall 171b is in contact with the flat region 54b of the lid member 54. As shown in FIG. Therefore, the actuator 50 is supported by the bracket 170 in a state in which the pair of attached pieces 54a and 54a and a portion of the flat region 54b are in contact with the bracket 70, that is, in a state in which three portions are in contact.

The transmission member 180 of the present embodiment is a member connected to the output shaft 60 of the actuator 50 and the lamp unit 20, like the bracket 70 of the first embodiment. For example, a resin can be used as a material for forming the transmission member 180 . 20 is a cross-sectional view taken along line XX-XX in FIG. 14, a cross-sectional view substantially perpendicular to the axis 60a of the output shaft 60, and a cross-sectional view along the central axis of the shaft 185, which will be described later. 20 also shows a part of the first bearing holding member 41 and the lamp housing 11 attached to the support portion 40. As shown in FIG. As shown in FIGS. 15 and 20 , the transmission member 180 has a base portion 181 , a columnar arm portion 182 having a first connection portion 83 , and a second connection portion 184 .

The base portion 181 is a plate-like member elongated in a predetermined direction, and is formed with a through hole 181h penetrating in a direction substantially perpendicular to the thickness direction and substantially parallel to the width direction of the base portion 181 . The width direction of the base portion 181 is a direction perpendicular to the longitudinal direction of the base portion 181 . Further, a narrow portion 181a is provided on the one end side of the through hole 181h in the base portion 181, and is cut out in the width direction from the one end to a predetermined length along the extending direction. The width of the narrow portion 181a is smaller than the width of the portion of the base portion 181 where the through hole 181h is provided.

The arm portion 182 is a plate-like member parallel to the base portion 181 . The arm portion 182 extends from the end of the narrow portion 181a, which is one end of the base portion 181, on the side opposite to the through hole 181h side, and the side where the base portion 181 is notched and which is substantially parallel to the width direction of the base portion 181. It extends toward the opposite side and is integrally formed with the base portion 181 . For this reason, the portion of the transmission member 180, which consists of the base portion 181 and the arm portion 182, is generally formed in a substantially L shape. At the tip of the arm portion 182, a generally columnar support portion 182a protruding in the extending direction of the arm portion 182 is provided. A hole 182h is formed in the column portion 182a along the extending direction of the column portion 182a from the first connecting portion 83, which is the tip portion of the column portion 182a. 14 and 15, ribs 182b extending linearly along the edge of the base portion 181 of the arm portion 182 and projecting to both sides of the arm portion 182 in the plate thickness direction are provided. 182b are formed. The extending direction of each rib 182b, 182b is substantially parallel to the extending direction of the through hole 181h in the base portion 181. As shown in FIG.

As shown in FIGS. 15 and 20, the second connection portion 184 is a cylindrical member extending from the other end of the base portion 181 in a direction parallel to the thickness direction of the base portion 181. formed integrally with Both ends of the second connection portion 184 are open. Therefore, it can be understood that the base portion 181 of the transmission member 180 is formed with a through hole 184h defined by the second connection portion 184 and passing through the base portion 181 in the plate thickness direction. Also, the diameter of the through hole 184 h , which is the inner diameter of the second connection portion 184 , is substantially the same as the maximum diameter of the connection protrusion 61 of the output shaft 60 .

Such a transmission member 180 is inserted into the body portion 171 so that at least the portion of the base portion 181 on the side of the second connecting portion 184 is located in the internal space of the body portion 171 of the bracket 170 . Further, the transmission member 180 is supported by a shaft 185 inserted into the through hole 181h of the base portion 181 so as to be able to move in parallel along the shaft 185 . The shaft 185 is supported by bearings provided on the main body 171 of the bracket 170 . That is, the transmission member 180 is supported by the bracket 170 so as to translate along the shaft 185 . Since the transmission member 180 is supported by the bracket 170 in this way, the plate-shaped base portion 181 and the arm portion 182 of the transmission member 180 extend in a direction perpendicular to the direction of the axis 60 a of the output shaft 60 . Here, most of the transmission member 180 consists of a plate-like base portion 181 and an arm portion 182, and the base portion 181 is formed with a through hole 184h into which the output shaft 60 is inserted. For this reason, the transmission member 180 is a plate-shaped member extending in a direction perpendicular to the direction of the axis 60a of the output shaft 60, and a through hole 184h into which the output shaft 60 is inserted is formed in the transmission member 180. I understand that there is.

As shown in FIG. 20, the bracket 170 of the present embodiment includes a first receiving portion 178 projecting outward from one side wall 171c of the body portion 171 of the bracket 170 and a bearing portion supporting the shaft 185. and a second receiving portion 179 protruding outward from the side wall 171d. A through hole 178 h is formed in the first receiving portion 178 so as to penetrate in a direction substantially parallel to the moving direction of the output shaft 60 . The second receiving portion 179 is formed with a hole 179h extending from the surface on the first receiving portion 178 side in a direction substantially parallel to the moving direction of the output shaft 60 . This hole 179h overlaps with the through hole 178h of the first receiving portion 178 in a direction substantially perpendicular to the moving direction of the output shaft 60 . The shaft 185 is inserted into the through hole 178 h of the first receiving portion 178 , the through hole 181 h of the base portion 181 of the transmission member 180 , and the hole 179 h of the second receiving portion 179 in this order, and supported by the bracket 170 . be. The shaft 185 supported by the bracket 170 in this way extends in a direction substantially parallel to the moving direction of the output shaft 60 . Therefore, the transmission member 180 is supported by the shaft 185 so as to translate in a direction substantially parallel to the moving direction of the output shaft 60 .

Further, the first connection portion 83 of the transmission member 180 in this embodiment has the same configuration as the first connection portion 83 in the first embodiment, and is connected to the first bearing holding member 41 attached to the support portion 40. . 21 is a cross-sectional view of the first bearing holding member 41, and is a horizontal cross-sectional view of the first bearing holding member 41. FIG. Note that FIG. 21 also shows part of the transmission member 80 . The first bearing holding member 41 connected to the transmission member 180 can swing within a predetermined range with the first connection portion 83 as a fulcrum relative to the transmission member 180 . Further, as shown in FIG. 18 , the connecting convex portion 61 of the output shaft 60 is inserted into the cylindrical second connecting portion 184 of the transmission member 180 , and the connecting convex portion is formed on the inner peripheral surface of the second connecting portion 84 . A portion of the portion 61 abuts. That is, the connection projection 61 is inserted into the through hole 184h defined by the cylindrical second connection portion 184. As shown in FIG. The outer peripheral surface of the connection protrusion 61 is curved in an arc so as to protrude outward along the direction of the shaft 60 a of the output shaft 60 . can be swung within a predetermined range with a fulcrum. The end of the cylindrical second connection portion 184 on the side of the drive portion 51 is located closer to the drive portion 51 than the base portion 181 of the transmission member 180 , but is separated from the drive portion 51 .

Here, in FIG. 20, a first plane P11 including the axis 60a of the output shaft 60 and having an in-plane direction along the movement direction of the output shaft 60 is described. In this embodiment, the first plane P11 extends along the longitudinal direction of the diameter of the through hole 54h of the lid member 54. As shown in FIG. The first connecting portion 83 of the present embodiment is separated from the first plane P11, and the shaft 185 is also separated from the first plane P11. The first connection portion 83 is located on one side of a second plane P12 parallel to the first plane P11 and passing through the shaft 185, and the second connection portion 184 is located on the other side of the second plane P12. located on the side. Note that the first connection portion 83 and the second connection portion 184 may be positioned on the same side with respect to the second plane P12. Also, the distance between the first connecting portion 83 and the second plane is set larger than the distance between the second connecting portion 184 and the second plane. Note that the distance between the first connecting portion 83 and the second plane may be the same as the distance between the second connecting portion 184 and the second plane P12, and may be the same as the distance between the second connecting portion 184 and the second plane P12. may also be smaller. 20 is a cross-sectional view substantially perpendicular to the axis 60a of the output shaft 60, and is a cross-sectional view along the central axis of the shaft 185, as described above. A portion of the first connecting portion 83 is shown in FIG. Therefore, it can be understood that the first connecting portion 83 intersects a third plane that is perpendicular to the direction of the axis 60 a of the output shaft 60 and includes the central axis of the shaft 185 . That is, the first connecting portion 83 and the central axis of the shaft 185 overlap in the direction perpendicular to the direction of the axis 60a of the output shaft 60 . The first connecting portion 83 does not have to cross the third plane which is perpendicular to the direction of the axis 60 a of the output shaft 60 and which includes the central axis of the shaft 185 . In other words, the first connecting portion 83 and the central axis of the shaft 185 do not have to overlap in the direction perpendicular to the direction of the axis 60a of the output shaft 60 .

Further, as shown in FIG. 14, the ribs 182b, 182b of the arm portion 182 of the transmission member 180 and the sliding member 176 are inserted into the fitting recesses 176c, 176c. Therefore, rattling of the transmission member 180 in the direction perpendicular to the moving direction of the output shaft 60 is suppressed.

The bracket 170, to which the actuator 50 is attached and which supports the transmission member 180 as described above, has a support portion such that the shaft 60a of the output shaft 60 extends in the horizontal direction and the moving direction of the output shaft 60 is the front-rear direction. It is arranged on the rear side of 40 . This bracket 170 is then fixed to the lamp housing 11 . That is, the lamp housing 11 is a bracket fixing member to which the bracket 170 is fixed, and the actuator 50 is fixed to the lamp housing 11 via the bracket 170 . Specifically, as shown in FIGS. 12 and 15, the rear wall 14 of the lamp housing 11 is provided with a pair of bosses 15, 15 projecting forward. Threaded holes extending along the bosses 15, 15 from the end faces are formed in the tip portions of the bosses 15, 15. As shown in FIG. Further, the bosses 15, 15 are provided with positioning ribs protruding from the end faces in a direction substantially parallel to the direction in which the bosses 15, 15 extend. One positioning rib is inserted into the through hole 172h2 of the first fixing portion 172 in the main body portion 171 of the bracket 170, and the other positioning rib is inserted into the through hole 173h2 of the second fixing portion 173. bracket 170 is positioned. Then, the bolts 17b, 17b are inserted into the through holes 172h1 of the first fixing portion 172 and the through holes 173h1 of the second fixing portion 173, respectively, and the bolts 17b, 17b are screwed into the screw holes of the bosses 15, 15. , the bracket 170 is fixed to the lamp housing 11 . That is, the screw holes and positioning ribs of one boss 15 correspond to the through holes 172h1 and 172h2 of the first fixing portion 172, and the screw holes and positioning ribs of the other boss 15 correspond to the through holes 173h1 and 173h1 of the second fixing portion 173. It corresponds to 173h2. In this embodiment, the through holes 172h1 and 172h2 of the first fixing portion 172 and the through hole 173h1 of the second fixing portion 173 are formed substantially circular, and the through hole 173h2 of the second fixing portion 173 is elongated in a predetermined direction. It is formed in an oval track shape.

Next, the leveling adjustment operation for adjusting the direction of emission of light in the vehicle lamp 1 up and down will be described.

This leveling adjustment is performed by moving the output shaft 60 of the actuator 50 , and the driving force for moving the output shaft 60 of the actuator 50 is transmitted to the lamp unit 20 via the transmission member 180 . Here, the vehicle lamp 1 shown in FIGS. 11 and 12 is in an initial state in which the output shaft 60 of the actuator 50 is not moved in the longitudinal direction. When the output shaft 60 of the actuator 50 moves forward from this initial state, the transmission member 180 translates forward along the shaft 185 as shown in FIG. The forward movement of the transmission member 180 pushes forward the first bearing holding member 41 to which the first connection portion 83 is connected. Then, the support portion 40 swings so as to tilt forward with the front end portion of the main body portion 43a of the screw support member 43 as a fulcrum, and the light emission direction of the light emission portion 21 is changed downward from the initial state. .

On the other hand, when the output shaft 60 of the actuator 50 moves backward from the initial state, the transmission member 180 translates backward along the shaft 185 as shown in FIG. The rearward movement of the transmission member 180 pulls rearward the first bearing holding member 41 to which the first connection portion 83 is connected. Then, the support portion 40 swings so as to tilt backward with the front end portion of the main body portion 43a of the screw support member 43 as a fulcrum, and the light emission direction of the light emission portion 21 is changed upward from the initial state. .

By the way, as described above, the actuator for swinging the lamp unit generally has a certain size. Therefore, the arrangement of actuators in a vehicle lamp has a great influence on the design of the vehicle lamp, and there is a demand to improve the degree of freedom in designing the vehicle lamp by improving the degree of freedom in the arrangement of the actuator.

Therefore, the vehicle lamp 1 of this embodiment includes the actuator 50 , the lamp unit 20 , and the transmission member 180 . The actuator 50 has an output shaft 60 that can be translated in a direction different from the direction of the axis 60a. The lamp unit 20 is swingably supported. The transmission member 180 is connected to the output shaft 60 and the lamp unit 20 and is movable along a direction parallel to the moving direction of the output shaft 60 . A first connection portion 83 of the transmission member 180 connected to the lamp unit 20 is separated from a first plane P11 that includes the axis 60a of the output shaft 60 and has an in-plane direction along the moving direction of the output shaft 60 .

In the vehicle lamp 1 of the present embodiment, the transmission member 180 connected to the output shaft 60 moves along a direction parallel to the moving direction of the output shaft 60 as the output shaft 60 of the actuator 50 moves. The lamp unit 20 to which 180 is connected is swung. As a result, the direction of light emitted from the vehicle lamp 1 is changed. Further, in the vehicle lamp 1 of the present embodiment, as described above, the first connection portion 83 extends from the first plane P11 including the axis 60a of the output shaft 60 and having an in-plane direction along the moving direction of the output shaft 60. isolated. Therefore, compared with the case where the first connection portion 83 intersects with the first plane P11, there are fewer restrictions on the position of the first connection portion 83 with respect to the actuator 50. FIG. Therefore, compared to this case, the degree of freedom in arranging the actuator 50 can be improved, and the degree of freedom in designing the vehicle lamp 1 can be improved.

The vehicle lamp 1 of this embodiment further includes a shaft 185 that extends in a direction parallel to the moving direction of the output shaft 60 and supports the transmission member 180 . The first connection portion 83 is located on one side of a second plane P12 parallel to the first plane P11 and passing through the shaft 185, and the second connection portion 184 connected to the output shaft 60 of the transmission member 180 is It is positioned on the other side with respect to the second plane P12. Therefore, it is possible to suppress the force acting on the shaft 185 to bend the shaft 185 , and the driving force for moving the output shaft 60 can be effectively transmitted to the lamp unit 20 . Therefore, the driving force for moving the output shaft 60 can be reduced, the actuator 50 can be made smaller, and the vehicle lamp 1 can be made smaller.

Further, in the vehicle lamp 1 of the present embodiment, the distance between the first connection portion 83 and the second plane P12 is greater than the distance between the second connection portion 184 and the second plane P12. Therefore, it is possible to suppress bending of a portion of the transmission member 180 between the second connection portion 184 and the shaft 185 . Therefore, the vehicle lamp 1 of the present embodiment can suppress the driving force that moves the output shaft 60 from acting on the shaft 185 , and can effectively transmit the driving force to the lamp unit 20 .

In the vehicle lamp 1 of the present embodiment, the first connection portion 83 intersects a third plane perpendicular to the direction of the axis 60 a of the output shaft 60 and including the central axis of the shaft 85 . Therefore, compared with the case where the first connection portion does not intersect the third plane, it is possible to suppress bending of the portion between the first connection portion 83 and the shaft 185 in the transmission member 180 . Therefore, the vehicle lamp 1 of this embodiment can effectively transmit the driving force for moving the output shaft 60 to the lamp unit 20 .

In the vehicle lamp 1 of the present embodiment, the transmission member 180 is a plate member extending in a direction perpendicular to the direction of the axis 60a of the output shaft 60, and the output shaft 60 is inserted into the transmission member 80. A through hole 184h is formed along the thickness direction. Therefore, the width of the transmission member 80 in the direction of the axis 60a of the output shaft 60 can be reduced, and the size of the vehicle lamp 1 can be reduced.

As described above, the second aspect of the present invention has been described by taking the second embodiment as an example, but the second aspect of the present invention is not limited to this.

For example, in the second embodiment, the actuator 50 is arranged on the left side of the light emitting section 21 . However, the arrangement of the actuators 50 is not particularly limited. For example, the actuator 50 may be arranged on the right side of the light emitting section 21, may be arranged above the light emitting section 21, or may be arranged below the light emitting section 21. You may arrange|position in the position which overlaps with the light-projection part 21 in the front-back direction.

Further, in the second embodiment, the swinging fulcrum of the lamp unit 20 is located below the light emitting portion 21 . However, the lamp unit 20 only needs to be swingably supported. For example, the swinging fulcrum of the lamp unit 20 may be positioned above the light emitting portion 21 . In this case, it is preferable that the transmission member 80 is connected to the lamp unit below the light emitting portion 21 .

Further, in the second embodiment, the vehicle lamp 1 in which the light emission direction can be changed in the vertical direction has been described as an example. However, the change direction of the light emission direction of the vehicle lamp 1 is not particularly limited, and for example, the vehicle lamp 1 may be configured to be changeable in the horizontal direction. As such a vehicle lamp, for example, the first bearing holding member 41 and the first connection portion 83 in the vehicle lamp 1 of the second embodiment are arranged on one side in the left-right direction of the light emitting portion 21, and the second A configuration in which the bearing holding member 42 and the screw supporting member 43 are arranged on the other side in the left-right direction of the light emitting portion 21 is exemplified.

Also, in the second embodiment, the bracket 170 is fixed to the lamp housing 11 by two bolts 17b, 17b. However, the structure for fixing the bracket 170 to the lamp housing 11 is not particularly limited. may be Moreover, the bracket fixing member to which the bracket 170 is fixed is not particularly limited, and the bracket 170 may be fixed to another member of the vehicle.

Also, in the second embodiment, the actuator 50 is fixed to the bracket 70 by two bolts 17a, 17a. However, the structure for fixing the actuator 50 to the bracket 70 is not particularly limited. Further, in the second embodiment, the actuator 50 is fixed to the lamp housing 11 by fixing the bracket 170 to the lamp housing 11 . However, actuator 50 may be fixed to lamp housing 11 without bracket 170 , and actuator 50 may be fixed to another member of the vehicle without bracket 170 .

Further, in the second embodiment, the actuator 50 translates the output shaft 60 in a direction substantially perpendicular to the direction of the shaft 60a. However, the actuator 50 may translate the output shaft 60 in a direction different from the direction of the shaft 60a.

Further, in the second embodiment, the transmission member 180 and the lamp unit 20 are connected by connecting the substantially spherical first connecting portion 83 and the main body portion 46 having a substantially U-shaped cross section. Further, the transmission member 180 and the output shaft 60 are connected by connecting the cylindrical second connecting portion 184 and the connecting convex portion 61 having an oval track-shaped cross section. However, it is sufficient that these members are connected to each other so as to be able to swing within a predetermined range, and the configuration for connecting the members is not particularly limited.

Further, in the second embodiment, the transmission member 180 is a plate-like member extending in the direction perpendicular to the direction of the shaft 60a of the output shaft 60 . However, the shape of the transmission member 180 is not particularly limited, and does not have to be a plate-like member. From the viewpoint of miniaturizing the vehicle lamp 1, it is preferable that the transmission member 180 be a plate member extending in a direction perpendicular to the direction of the axis 60a of the output shaft 60, as described above. Also, the hole in the transmission member 180 into which the output shaft 60 is inserted may not be a through hole. That is, the opening of the through hole 184h on the side opposite to the output shaft 60 may be closed.

Further, in the second embodiment, the light emitting section 21 is a PES optical system. However, the configuration of the light emitting portion 21 is not particularly limited. Moreover, the lamp unit 20 may include a plurality of light emitting portions 21 .

According to the first aspect of the present invention, there is provided a vehicular lamp that can change the direction of emitted light and can be downsized, and according to the second aspect of the present invention, the flexibility in design can be improved. A vehicular lamp is provided and can be used in the field of vehicular lamps for automobiles and the like.

Claims (16)

an actuator having an output shaft capable of parallel movement in a direction different from the axial direction;
a lamp unit that is swingably supported;
a transmission member connected to the output shaft and the lamp unit;
with
A vehicular lamp, wherein the transmission member is supported by a shaft, and swings around the shaft as the output shaft moves. When viewed from the extending direction of the shaft, a first connection portion of the transmission member connected to the lamp unit, a second connection portion of the transmission member connected to the output shaft, and the shaft, 2. The vehicular lamp according to claim 1, wherein the vehicular lamp is positioned on a predetermined straight line. 3. The method according to claim 2, wherein when viewed from the extending direction of the shaft, the first connection portion and the second connection portion are positioned on a predetermined circumference around the central axis of the shaft. Vehicle lighting fixtures as described. The transmission member includes a columnar arm portion having the first connection portion at the tip,
A hole is formed in the arm portion along an extending direction of the arm portion from the first connection portion.
4. The vehicle lamp according to claim 2, wherein: A first connection portion of the transmission member connected to the lamp unit, a second connection portion of the transmission member connected to the output shaft, and the shaft are arranged in a predetermined direction perpendicular to the extending direction of the shaft. 5. The vehicular lamp according to claim 1 , wherein the vehicular lamp intersects with a plane. When viewed from the direction in which the shaft extends, the transmission member has a predetermined line segment connecting the first connection portion of the transmission member connected to the lamp unit and the shaft. 6. The vehicular lamp according to claim 1 , further comprising a concave portion recessed to the other side beyond the line segment. further comprising a bracket to which the actuator is fixed;
The vehicle lamp according to any one of claims 1 to 6 , wherein the bracket has a bearing portion that supports the shaft. further comprising a bracket fixing member to which the bracket is fixed;
The bracket has at least two fixing parts fixed to the bracket fixing member,
At least a portion of the bearing portion is parallel to a first plane perpendicular to a specific straight line passing through the at least two fixing portions and passing through a specific fixing portion out of the at least two fixing portions. 8. The vehicular lamp according to claim 7 , wherein the at least two fixing portions are located between the specific fixing portion and a second plane passing through the different fixing portion. further comprising a bracket fixing member to which the bracket is fixed;
the shaft is inserted into a hole formed in the bearing and supported by the bearing;
9. The method according to claim 7 , wherein the bracket fixing member has a retaining portion that overlaps at least a part of the hole when viewed from the extending direction of the shaft and prevents the shaft from coming out of the hole. Vehicle lighting fixtures as described. an actuator having an output shaft capable of parallel movement in a direction different from the axial direction;
a lamp unit that is swingably supported;
a transmission member connected to the output shaft and the lamp unit and movable in a direction parallel to the moving direction of the output shaft;
with
the axis of the output shaft extends horizontally,
A first connection portion of the transmission member connected to the lamp unit is separated from a first plane including an axis of the output shaft and having an in-plane direction along a moving direction of the output shaft. Vehicle lighting equipment. further comprising a shaft extending in a direction parallel to the moving direction of the output shaft and supporting the transmission member;
the first connecting portion is positioned on one side of a second plane parallel to the first plane and passing through the shaft;
11. The vehicle lamp according to claim 10 , wherein a second connection portion of said transmission member connected to said output shaft is located on the other side of said second plane. 12. The vehicle lamp according to claim 11, wherein a distance between said first connecting portion and said second plane is greater than a distance between said second connecting portion and said second plane. 13. The vehicle lamp according to claim 11, wherein the first connecting portion intersects a third plane perpendicular to the axial direction of the output shaft and including the central axis of the shaft. The transmission member is a plate-like member extending in a direction perpendicular to the axial direction of the output shaft,
The vehicle lamp according to any one of claims 10 to 13, wherein a hole into which the output shaft is inserted is formed in the transmission member along the thickness direction. further comprising a shaft extending in a direction parallel to the moving direction of the output shaft and supporting the transmission member;
The transmission member is located closer to the first connecting portion than the shaft and has a width in the extension direction of the shaft that is smaller than the width of a portion of the transmission member formed with a hole into which the shaft is inserted. including part
15. The vehicle lamp according to claim 14, characterized in that: The transmission member includes a columnar strut portion having the first connection portion at the tip,
A hole is formed in the support section along an extending direction of the support section from the first connection section.
The vehicle lamp according to any one of claims 10 to 15, characterized in that:

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