JP5046848B2 - Vehicle lamp - Google Patents

Description

The present invention belongs to the technical field of vehicle lamps provided in a vehicle such as an automobile.

  In general, in this kind of vehicle lamp, by attaching a turn lamp (direction indicator) integrally to a door mirror provided on the door of the vehicle (vehicle body) and lighting it together with a turn lamp provided independently on the front and rear of the vehicle, There is known a vehicle in which the steering direction of the vehicle is more strongly appealed to surrounding people. Among these things, the thing which comprised the turn lamp so that it lighted, for example using a light emitting diode as a light source is proposed.

In such a case, the turn lamp has a base housing in which the light source and the substrate are provided, an outer lens portion that is integrally attached to the base housing (outer housing), and an inner housing incorporated in these internal spaces. It was proposed to be unitized and incorporated into the body of a door mirror (Patent Document 1). In this case, it is necessary to provide a coupler portion for connecting an external coupler for power supply with the terminal positioned in the turn lamp, and in this case, in this case, the base housing and the lens portion are provided in a protruding manner. The coupler support pieces are butted together with the coupler portion sandwiched between them, and a resin material is injected into the butted portion so as to be integrated so that the terminals can be positioned.
JP 2004-276765 A

By the way, the conventional material injects the resin material to the abutting portions of the coupler support pieces formed in the base housing and the lens portion, respectively, but in this case, the butted portions of the coupler support pieces are integrated, that is, integrated. The injection path of the resin material for this is complicated, and not only skill is required in setting the injection process, but also the coupler support piece is provided in the lens part, so the arrangement position of the coupler part is the lens part position, that is, the lamp When the lamp unit is assembled in the mirror body, the coupler is biased toward the end of the body, and the external coupler can be attached or detached. There is a problem that it is difficult.
Therefore, it is proposed that the coupler portion is formed on the base housing side so as not to be involved in the outer lens portion. However, when this is done, the terminal pulled out from the inner housing side is arranged at a place unrelated to the injection path of the resin material for integrating the base housing and the outer lens. There arises a problem that positioning cannot be performed, and there is a problem to be solved by the present invention.

The present invention has been made in view of the above-described circumstances and has been created for the purpose of solving these problems. The invention of claim 1 is directed to a front portion of a body in which a mirror for rearward confirmation is incorporated. In a vehicle lamp incorporating a lamp, the turn lamp is integrated with an inner housing in which a light source and electric parts necessary for emitting the light source are incorporated, and the inner housing being incorporated in the interior from both front and rear sides. that includes an outer lens and a base housing, electrically formed connected to the base housing the coupler portion that provided with terminals are electrical components to supply external power to the light source, the terminal is shaped positioning the inner housing provided at an intermediate member attached to the intermediate member mounted to the positioning shape on the upper end of the inner housing base Attached to the positioning shape via a positioning member provided to the scan housing, the intermediate member is attached to the positioning shape to the base housing built from the outer lens side, said mounting Tagged intermediate member is integrated with the base housing The outer lens is restricted from moving in the anti-assembly direction, and the intermediate member is attached to the inner housing with a forced fit that prevents the intermediate member from being attached. A protruding ridge wall portion, a first locking hole penetrating to the upper surface in a state where the lower end portion of the ridge wall portion remains, and a narrow width in the left-right direction in a state continuing from the first locking hole And a second locking hole penetrating to the upper surface is formed, and an inner surface of the upper end portion of the inner housing is formed with first and second engaging and locking in the first and second locking holes of the intermediate member. A locking projection is formed, and the intermediate member is inserted into the first locking hole in the natural state from the outer lens side, so that the upper surface of the second locking projection is The second locking projection is forced into the second locking hole due to elastic deformation that comes into contact with the outer lens side hole edge of the hole and forcibly pushes the rear end of the intermediate member upward from this state. The vehicular lamp is configured so that the intermediate member is locked to the inner member by being fitted and fitted .

According to the first aspect of the present invention, the terminal connected to the inner housing side is assembled via an intermediate member that is assembled while being positioned in the inner housing and the base housing. The terminal can be assembled in a state in which the terminal is positioned with respect to the coupler portion while being formed in the base housing not related to the lens.

Next, embodiments of the present invention will be described with reference to the drawings.
In the drawings, reference numeral 1 denotes a door mirror provided on a door of a vehicle, and an opening is formed in a portion (not shown) facing a rear (vehicle rear) of a body 1a constituting the door mirror 1, and the opening In addition, a rear confirmation mirror (not shown) is fitted in such a manner that its position can be adjusted. A portion facing the front of the body 1a is formed in a shape that bulges forward, and a turn lamp (side turn lamp, turn signal) 2 in which the present invention is implemented is integrated with a lower portion of the bulging portion. Built in.

In addition, although the left-right symmetrical thing is provided in the left-right door body of a vehicle, the door mirror 1 demonstrates the door mirror 1 provided in the vehicle left side shown in FIG. 1, and abbreviate | omits description of the right-side door mirror 1 here. To do.
The turn lamp 2 incorporated in the door mirror 1 is set so as to be incorporated into the body 1a as one assembly at a lower portion of the front bulge portion of the body 1a. The turn lamp 2 includes a base housing 3 and an inner housing 4 housed inside the body 1a, and an outer lens 5 that covers the front portion of the inner housing 4 and is exposed to the outside along with the outer peripheral surface of the body 1a. Configured.

The base housing 3 is integrally formed of a non-translucent resin material, and is configured in a horizontally elongated curved shape so as to be installed in a lower portion of the door mirror body 1a. The outer left end portion is formed in a shape that is bent in an R shape toward the rear. The base housing 3 is provided with a bottom piece 3a and is formed with a recess 3b that opens from the front part toward the left part, and the inner housing 4 is assembled from the front of the recess 3b to thereby form the recess 3b. Is set to be blocked. Reference numeral 3c denotes a coupler section which will be described later for connection to an external power supply connector (not shown), and 3d denotes an attachment piece for integrating with the body 1a.

On the other hand, the inner housing 4 is formed of a translucent resin material, and is formed in a curved shape in which the left side portion is bent in an R shape toward the rear, like the base housing 3 in the left-right direction. However, the inner housing 4 of the present embodiment is divided into a solid light guide 6 and an inner member 7.
The inner member 7 includes a pair of upper and lower flange piece portions 7a and 7b and an integrated piece portion 7c that connects between the flange piece portions 7a and 7b. The upper flange piece 7a and 7b are formed so as to be biased toward the rear, and the left end portion is cut away to form a hollow portion 7d. Reference numeral 7e denotes a support piece formed integrally with the integrated piece 7c and projecting to the right end side from the upper and lower flange pieces 7a and 7d. The support piece 7e will be described later. The first light emitting diode 9 disposed in the light source unit 8 is configured to be fixedly supported in a positioning manner. In addition, the inner member 7 may be subjected to, for example, a squeezing process as a whole as a light blocking means, or the inner member 7 may be formed of a non-translucent resin material. 7 cannot be viewed from the outer lens 5 side, and the design can be improved.

  The right end portion of the light guide 6 is formed in a hemispherical light incident portion 6a, and a portion facing the front from the light incident portion 6a is formed in a cylindrical light guide portion 6b. The right end portion that is bent into a shape is formed in a flat inner lens portion 6c. The light guide 6 is assembled from the front of the inner member 7, and the light guide 6b is held by the integrated piece 7c. The inner lens 6c is a base through the hollow 7d. The housing 3 is configured to face directly. In addition, the light guide 6b of the light guide 6 is provided with light blocking means for preventing light leakage on the rear surface 6d serving as the curved inner portion, but the light blocking means here has a non-smooth surface on the rear surface. It is comprised so that light may be interrupted | blocked by carrying out a grain processing. The inner lens portion 6c of the light guide 6 is provided with irregular reflection means for irregularly reflecting the light incident on the rear surface 6e. The irregular reflection means here forms a plurality of irregular surfaces on the rear surface. By doing so, it is configured to diffusely reflect.

  The light source unit 8 is configured to be incorporated between the base housing 3 and the inner housing 4, and the first, second, and third light emitting diodes 9, 10, 11 serving as the light source of the turn lamp 2 are connected to the bus bar. 12 is suitably united in a state where it is properly connected to the bus bar 12. On the back side of the bus bar 12, the first to third light-emitting diodes 9, 10, 11 are appropriately wired and a board on which necessary electronic components are mounted. 13 is provided. The light-emitting diodes 9, 10, and 11 are all general-purpose ones, and the first light-emitting diode 9 is provided at one end of the light incident portion 6 a at one end in the longitudinal direction of the light guide 6. The light guide 6 is located so as to emit light toward the light incident part 6a, and the second and third light emitting diodes 10 and 11 are exposed to the base housing 3 side through the hollow part 7d. The inner lens portion 6c is disposed on the back side of the inner lens portion 6c, and is disposed so as to emit light toward the left front side and the left side in the inner lens portion 6c. Thereby, the light guide 6 emits long light from the light incident part 6a of the light guide 6 to the light guide part 6b and the inner lens part 6c by lighting the first light emitting diode 9, When the second and third light emitting diodes 10 and 11 are turned on, light is emitted from the front toward the left side in a state where the inner lens portion 6c is irregularly reflected.

Incidentally, by making the light incident part 6a of the light guide 6 into a hemispherical shape, the light from the first light emitting diode 9 is scattered and guided toward the light guide part 6b and the inner lens part 6c. It is set so that the attenuation of light is reduced. Further, by turning on the second and third light emitting diodes 9 and 10, light is emitted in a scattered state from the inner lens portion 5 c located at the outer side in the left and right direction of the vehicle body. It is configured so as to reliably emit illuminance that satisfies the legal standards.
The substrate 13 to which the first to third light emitting diodes 9, 10, 11 are electrically connected via the bus bar 12 incorporated on the back side of the inner housing 4 has a plate surface that is the same as the bottom piece 3 a of the base housing 3. It is accommodated in the recess 3b so as to be positioned between the upper and lower pieces 3e, 3f in a state of facing each other.

  The outer lens 5 is disposed so as to cover the front of the inner housing 4, the outer peripheral edge of the inner housing 4 and the outer peripheral edge of the outer lens 5 are abutted, and the resin material 14 is injection-molded at the abutting portion. Is integrated. The outer lens 5 is integrally formed of a translucent resin material and faces a portion where the first light emitting diode 9 supported by the support piece 7e formed on the inner member 7 of the inner housing 4 is disposed. The light source facing portion 5a is close to the first light emitting diode 9 through the step portion 5b, and is subjected to graining as light blocking means. Thus, the light from the first light-emitting diode 9 is prevented from irradiating light other than the light guide 6 and leaking, and the light from the light guide 6 can be efficiently emitted.

  Reference numeral 15 denotes a pair of terminals whose one end 15a is connected to an external power source and whose other end 15b is connected (welded) to the substrate 13. The terminal 15 has an intermediate portion 15c inserted into the intermediate member 16. Yes. The terminal 15 passes through the other end portion 15b from the inner housing 4 side to a through hole 13a formed in the substrate 13, and the penetrated portion is fixed to the substrate 13 by being welded 15d from the base housing 3 side. The diodes 9, 10, 11, the bus bar 12, the substrate 13, the terminals 15, and the intermediate member 16 are integrated into a unit.

  On the other hand, the intermediate member 16 has a substantially rectangular shape in plan view, and the surface (upper surface) 16a on the side from which the terminal one end portion 15a protrudes is assembled in a state of being in surface contact with the lower surface of the base housing upper piece 3e. A protruding strip portion 16b that protrudes upward is formed at the end edge portion of the intermediate member 16 on the outer lens 5 side. And this convex part 16b is assembled by fitting in the concave groove part 3g formed in the abutting end part with the outer lens 5 of the base housing upper piece 3e. In this case, the convex part 16b is the outer lens 5 toward the upper side. The inner member 5d comes into contact with the inner surface 5d of the outer lens 5 having a shape that is biased toward the side, and the outer member 5 side edge of the intermediate member 16 is dropped downward. Is configured to be regulated.

  Further, convex support portions 3h and 3i are formed on the lower surface of the base housing upper piece 3e so as to support the left and right side edges 16c and 16d of the intermediate member 16 in the left-right direction positioning shape, and further on the inner surface of the base housing bottom piece 3a. Is formed with a support portion 3j for positioning the base member side edge 16e of the intermediate member 16 in a state in which the base member side edge portion 16e is supported from below, and the intermediate member 16 is positioned and supported by the base housing 3. It has become.

  Furthermore, the lower surface of the intermediate member 16 is formed with a thin surface portion 16g and a thick surface portion 16h through a step surface 16f so that the outer lens 5 side is thin and the outer housing 3 side is thick. A protruding wall portion 16i is formed to extend downward at the edge of the surface portion 16h on the stepped surface 16f side. The thick surface portion 16h is formed with a thin extended surface portion 16j with the convex wall portion 16i interposed therebetween, and the convex wall portion 16i extends from the thin surface portion 16g to the thin extended surface portion 16j and also to the upper surface 16a. A first locking hole 16k is formed through. Further, a second locking hole 16l having a narrow width in the left-right direction is formed through the thin surface portion 16g so as to extend from the first locking hole 16k to the upper surface 16a.

On the other hand, an inner surface of the upper end of the inner member 7 constituting the inner housing 4 is formed with a first locking projection 7f that fits and locks into the first locking hole 16k, and a second locking hole is formed on the upper surface of the upper end. A second locking projection 7g that is fitted and locked to 16l is formed to project. When the first locking protrusion 7f is fitted into the first locking hole 16k from the outer lens 5 side, the intermediate member 16 is naturally in a state where the upper surface portion 7h of the second locking protrusion 7g is the outer surface of the second locking hole 16l. The state comes into contact with the lens 5 side hole edge (see FIG. 11A), and from this state, the intermediate member 16 is erected upward on the arrow terminal end portion 15a side , that is, the rear end of the intermediate member 16. When the force is forced, the related members are elastically deformed so that the second locking protrusion 7g is fitted into the second locking hole 16l (see FIG. 11B). The intermediate member 16 is locked to the inner member to prevent it from coming off.

Then, the intermediate member 16 is forcibly engaged with the upper part of the inner member 7 and is incorporated in a state of being supported in a positioning manner by the upper piece 3e and the bottom piece 3a of the base housing 3. In this assembled state, the terminal end portion 15a is inserted into the coupler portion 3c protruding upward from the upper piece 3e so as to be loosely fitted.

  In the embodiment of the present invention configured as described above, the coupler portion 3 c to which external power is supplied is formed on the upper piece 3 e of the base housing 3 and may be involved in the outer lens 5. As a result, the coupler 3c can be positioned inward from the body 1a, and the external coupler can be attached and detached at a position that is not obstructed by the body 1a.

  In addition, the intermediate member 16 into which the terminal 5 is inserted has the first and second locking holes formed in the intermediate member 16 and the first and second locking holes 16k and 16l formed in the inner housing 7. The intermediate member 16 attached to the inner housing 7 in a positioning manner by being fitted and locked to the projections 7f, 7g, and the intermediate member 16 attached to the inner housing 7 in a positioning manner, has both left and right side edges 16c, 16d and a base. The housing side edge 16e is positioned and supported by the convex support portions 3h and 3i and the support portion 3j provided on the base housing 3, and as a result, the terminal 15 provided on the intermediate member 16 is connected to the inner housing. 7 is assembled in a state of being positioned with respect to the base housing 3 while being electrically connected to the substrate 13 provided on the base 7. It becomes Rukoto.

  In addition, in this structure, the intermediate member 16 is attached to the base housing in a positioning manner by incorporating the inner housing 7 in a state in which the intermediate member 16 is assembled as a unit from the outer lens side. The intermediate member 16 is restricted from moving in the anti-assembly direction by the inclined butted surface 5d of the outer lens 5 integrated with the base housing 3 by the resin material 14, so that there is no possibility of dropping or looseness. As a result, the reliability is improved.

  The intermediate member 16 is attached to the inner housing 7 by fitting the first and second locking projections 7f and 7g formed in the inner housing 7 with the first and second locking holes 16k and 16l as described above. Depending on the engagement and locking, this engagement locking is a forced fit, so the intermediate member 16 is assembled into the inner housing 7 in a state where it is prevented from coming off, and the assembling work of these members is not performed. Simplified.

It is a whole perspective view of a door mirror. (A), (B), (C) is the front view of a turn lamp, respectively, XX sectional drawing of FIG. 2 (A), and a side view. (A), (B), (C) is the top view, front view, and side view of a base housing, respectively. (A), (B), (C), (D) is the top view of an inner member, a front view, XX sectional view in Drawing 4 (A), and a side view, respectively. (A), (B), (C) is the top view of a light guide member, a front view, respectively, and XX sectional drawing in FIG.5 (B). (A), (B), (C), (D) are a plan view, a front view, a rear view, and a side view of the inner assembly, respectively. It is the top view, front view, and side view of an outer lens. (A), (B), (C), (D), (E) is a front view, a plan view, a bottom view, a side view, and a rear view of the intermediate member. (A), (B), (C) is the perspective view of the intermediate member which looked at the terminal from the front, XX sectional drawing of FIG. 9 (A), YY sectional drawing. It is a cross-sectional side view of the intermediate member part of a turn lamp. (A), (B) is principal part sectional drawing which shows the procedure which assembles | attaches an intermediate member to an inner housing. It is a principal part perspective view which shows the intermediate member attachment site | part of an outer housing. It is a principal part perspective view which shows the intermediate member attachment site | part of an inner housing.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door mirror 1a Body 2 Turn lamp 3 Base housing 3c Coupler part 5 Outer lens 7 Inner housing 13 Board | substrate 15 Terminal 16 Intermediate member

Claims (1)

In a vehicular lamp in which a turn lamp is incorporated in a front part of a body in which a mirror for confirming the rear is incorporated, the turn lamp includes an inner housing in which a light source and electric parts necessary for emitting the light source are incorporated; includes an outer lens and a base housing which is integrated in a state of interior incorporate inner housing from the front and back both sides, a coupler portion that provided with terminals electrically connected to the electrical component to supply external power to the light source formed in the base housing, the terminals are provided in an intermediate member attached to the positioning shape the inner housing, an intermediate member mounted to the positioning shape on the upper end of the inner housing, via a positioning member provided on the base housing attached to the positioning shape Te, the intermediate member is a built-in from the outer lens side The intermediate member attached to the housing is positioned in a positioning manner, and movement of the intermediate member in the anti-assembly direction is restricted by an outer lens integrated with the base housing, and the intermediate member is prevented from being detached from the inner housing. In constructing so as to be forced-fitting, the intermediate member penetrates to reach the upper surface while leaving the convex wall portion extending downward from the lower surface and the lower end portion of the convex wall portion. And a second locking hole penetrating to the upper surface with a narrow width in the left-right direction in a state continuing from the first locking hole, and an inner surface of the upper end portion of the inner housing, First and second locking projections that are fitted and locked in the first and second locking holes of the intermediate member are formed, and the intermediate member is moved from the outer lens side to the first locking projection. By inserting in the natural state The upper surface portion of the second locking projection abuts against the outer lens side hole edge of the second locking hole, and from this state, the elastic member is forced to push the rear end of the intermediate member upward. A vehicular lamp , wherein the second locking projection is forcibly fitted and fitted into the second locking hole so that the intermediate member is locked to the inner member .

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