JP5158936B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting device used for display shelf lighting, indoor lighting, and the like, and more particularly to a lighting device for a long lamp having a terminal on a side surface.

Conventionally, as this type of lighting fixture, a lighting fixture using a fluorescent lamp is generally used. For example, a fluorescent lamp mounting having a fluorescent lamp having terminals on the side caps at both ends, a socket portion for receiving and electrically connecting the terminals, and a base portion for mounting the socket portion to a lighting fixture body Instruments are known. (Patent Document 1)
The socket part of this fixture has a leaf spring-like holding member or lamp holder extending upward from the lower part thereof, and is attached to the base part through a member such as a coil spring so as to be slightly swingable. ing. The base part of the lamp is held by this lamp holder. Further, this fixture is fixed to the lighting fixture body, and the degree of swinging of the socket part is such that it compensates for a slight angular deviation between the lamp and the socket when the lamp is attached, and the position of the lamp is It doesn't move much and basically keeps the same position.
Japanese Patent Laid-Open No. 2001-210135

  In the invention disclosed in Patent Document 1 described above, the lamp is normally fixed in a state of protruding from a cover (lighting device main body) of the lighting fixture (FIG. 15 of Patent Literature 1). When a lighting fixture is attached, depending on the positional relationship with the object to be illuminated, optimal illumination may not be obtained with a fixed lamp. Therefore, when installing the luminaire, or after installation, add a reflector to obtain an appropriate light distribution, or when installing the luminaire, change the mounting position to a position where a preferable light distribution can be obtained. ing.

  In addition, as described in Patent Document 1, since the terminal is provided on the side surface of the lamp, when the lamp is detached, the lamp is attached to the lighting fixture body, for example, the side wall of the display shelf is attached. It is necessary to move in a direction perpendicular to the surface. At this time, when there is an obstacle in the direction of attaching / detaching the lamp, it may be difficult to attach / detach.

  Moreover, since the socket part of the lamp is fixed so as to protrude from the height (thickness) of the luminaire body including the cover, the protruding lamp may become an obstacle when packing the luminaire with the lamp attached. The lamp may be damaged. Further, even when the lamp is removed from the lighting fixture and packed, the lamp holder in the socket portion protrudes, so care must be taken in packing, and it takes time and effort. Further, the lamp may be damaged or the lamp holder may be deformed due to an impact during transportation or handling.

  This invention is made | formed in view of the above point, and it aims at providing the lighting fixture which can obtain optimal light distribution and illumination without being influenced so much by the installation position of a lamp | ramp.

  Another object of the present invention is to provide a luminaire capable of easily attaching and detaching a lamp even when there is an obstacle around the lamp.

  Another object of the present invention is to provide a luminaire that can simplify packaging and prevent damage to the lamp and deformation of the holder due to impact during transportation and handling.

  The luminaire of the present invention includes a luminaire main body, a socket portion that supports a long lamp and receives terminals provided on the side surfaces of both ends of the lamp, respectively, and an electrical connection. In the luminaire provided with a base portion fixed to each of the main body, the luminaire main body is provided with a recess for accommodating the lamp, and the socket portion and the base portion have come out of the recess from the position in the recess. They are connected to each other via a rotating part that can rotate to a position.

  In addition, the rotating part may be configured to have a pair of spaced apart plate parts that are provided in each of the socket part and the base part and that rotate with respect to each other.

  Further, at least one plate portion of the pair of plate portions may be formed with a plurality of concave and convex engaging portions that position relative angles of each other arranged along the rotation direction.

  In addition, the uneven engagement portion includes a plurality of engagement holes formed in an arc shape at a predetermined pitch on either the socket portion or the base portion, and an engagement hole on the other plate portion. And a protrusion that is formed corresponding to the engagement hole and engages with the engagement hole. Here, the engagement holes include not only through holes but also dents that do not penetrate. Further, the central angle formed by the adjacent engagement holes can be set to 30 °, for example.

  The rotating portion has a rotating shaft that becomes a part of the base portion, and the socket portion is movable with respect to the base portion along the axis of the rotating shaft, and is interposed between the base portion and the socket portion. The spring material is elastically biased in one direction along the axis, and the projection of the plate portion of the socket portion and the engagement hole of the plate portion of the base portion are provided in both plate portions in one direction, respectively. Can be configured.

  The rotating shaft is a bolt inserted into both plate parts from the outside, and the spring material is a compression coil externally mounted on the bolt between the nut attached to the tip of the bolt and the plate part of the socket part. It can be a spring. Here, the “exterior” refers to a state in which a bolt (shaft) is fitted in a (compression) coil spring, and the coil spring may be in contact with or separated from the outer surface of the bolt. .

  Further, the relative angle between the socket portion, which is attached toward the base portion side, and a gear that is concentric with the rotating portion, and a locking member that is provided on the base portion and elastically meshes with the gear, is set. You may comprise so that it may further have the uneven | corrugated engaging part to position. This locking member can be a plate-like spring member.

  Further, the maximum central angle at which the socket portion rotates with respect to the base portion can be in the range of 0 ° to 180 ° where the lamp is located in the recess of the lighting fixture body. This central angle is preferably in the range of 0 ° to 90 °.

The lighting fixture of the present invention is provided with a socket portion and a base portion that fixes the socket portion to the lighting fixture main body via a rotating portion that allows the lamp to rotate from a position in the recess to a position that comes out of the recess. Since they are connected to each other, the following effects are obtained. That is, the lamp can be rotated as necessary to change its position, so that it is possible to obtain optimum light distribution and illumination without being affected by the installation position of the lamp. In addition, since the lamp can be rotated, even if there is an obstacle around the lamp, the lamp can be rotated to a position avoiding the obstacle, and the direction of the attachment / detachment direction of the lamp can be changed. Can be easily detached. In addition, when packing and transporting lighting fixtures, by positioning the socket part in the recess of the lighting fixture body, it is possible to simplify the packaging because the lamp and socket portion do not protrude from the lighting fixture body. In addition, it is possible to prevent damage to the lamp and deformation of the socket part due to impact during transportation and handling. Also, the rotating parts are spaced apart from each other provided on the socket part and the base part. When it has a pair of board part, a socket part can be reliably rotated with a simple structure.

  In addition, in the case where a plurality of concave and convex engaging portions that position relative angles of each other arranged along the rotation direction are formed on at least one plate portion of the pair of plate portions, in addition to the above effects, There is an effect that the lamp can be securely held at a desired set angular position by rotating the lamp.

  In addition, a plurality of engagement holes formed by arranging the concave and convex engagement portions in an arc shape at a predetermined pitch on one plate portion, and protrusions formed on the other plate portion corresponding to the engagement holes. The lamp can be reliably and easily held at a desired angular position simply by engaging the engaging hole and the protrusion.

  Further, a concave and convex engaging portion for positioning a relative angle of the rotating portion and a concentric gear attached to the socket portion and a locking member provided on the base portion and elastically meshing with the gear is provided. Further, when it has, the rotation angle can be set finely according to the pitch of the gear teeth, and a more preferable light distribution can be obtained.

  In addition, when the maximum central angle at which the socket part rotates with respect to the base part is in the range of 0 ° to 180 °, the light distribution can be adjusted in a very wide range, and the degree of freedom of attachment / detachment of the lamp is increased. Further improvement.

  Hereinafter, the lighting fixture of this invention is demonstrated in detail with reference to an accompanying drawing. In the description, the description of the vertical direction and the like refers to the direction in each drawing for convenience. FIG. 1 is a perspective view showing a first embodiment of a lighting fixture of the present invention. Hereinafter, a description will be given with reference to FIG. The lighting fixture 1 includes a lighting fixture main body (hereinafter simply referred to as a main body) 2 having a substantially rectangular parallelepiped shape, and attachments 4 attached to both ends of the main body 2 in the longitudinal direction. Both ends of a long lamp 100 such as a fluorescent tube are held by the fixture 4.

  The main body 2 is formed, for example, by punching and bending a metal plate, and is attached to a wall (not shown) such as a ceiling of a room or a display shelf. The main body 2 includes a main surface 6 of a bottom wall that is attached to a ceiling or the like, and a cover 8 that is folded upward from the main surface 6. The cover 8 has an upright wall 10 bent at a right angle to the main surface 6 and a reflecting surface 12 bent from the upright wall 10 so as to be substantially parallel to the main surface 6. Notches 14 for exposing the fixture 4 are formed at both ends in the longitudinal direction of the reflecting surface 12 up to the side edge 12a of the reflecting surface 12. The reflecting surface 12 further passes through the inclined surface 12c and the vertical surface 12d that are inclined and bent to the main surface 6, and reaches the flat portion 12b that is bent in parallel with the main surface 6 along the side edge 12a. The flat portion 12b is fixed to the main surface 6 by means such as spot welding or screwing.

  The other side edge 16 side of the main surface 6 is bent at a right angle from the main surface 6 in the same direction as the standing wall 10 and formed as a rib 18. What is important here is that the portion where the flat portion 12 b is attached to the main surface 6 is a position where a space is secured between the flat portion 12 b and the rib 18. In other words, in the luminaire 1, a recess 20 is formed along the longitudinal direction of the main body 2 between the inclined surface 12 c and the vertical surface 12 d and the rib 18. The recess 20 is a portion in which the lamp 100 is moved and accommodated. Details of the accommodation mode will be described later. In addition, you may manufacture the main body 2 with a synthetic resin other than a metal plate.

  Next, the lamp 100 will be described. The lamp 100 is generally known, and has a base 102 and pins (terminals) 104 (FIG. 6) on the side surfaces of both ends thereof. The outline will be described below. The base 102 has a rectangular parallelepiped shape, and is fixed in a state where one surface thereof is concave and is in contact with the end of the lamp 100. The aforementioned pin 104 protrudes downward from the tip of the base 102, that is, in FIG.

  Next, the fixture 4 attached to the main surface 6 of the main body 2 will be described with reference to FIGS. 2 and 3 together. FIG. 2 is a perspective view showing the entirety of the fixture 4, and FIG. 3 is a perspective view showing the positional relationship of components of the fixture 4. As shown in FIG. 2, the fixture 4 includes a socket portion 22 that holds the lamp 100 and a base portion 24 that rotatably supports the socket portion. The socket portion 22 includes a rectangular parallelepiped socket 26, a holder portion 28 that is positioned on the lower surface of the socket 26 and extends upward from both side edges of the socket 26, and a rectangular insulating plate 30 that is positioned on the lower surface of the holder portion 28. And a rectangular mounting plate 32 positioned below the insulating plate 30. In the socket 26, a rectangular opening 34 for receiving the pin 104 of the lamp 100 is formed in the upper wall 26a. The other female terminal (not shown) that is electrically connected to the pin 104 is disposed in the opening 34. Further, two outlets 36 through which an electric wire (not shown) connected to the female terminal is led out are formed on the side wall of the socket 26.

  The holder portion 28 includes a plate-like base material 28a having substantially the same shape as the mounting plate 32, and a plurality of tongue pieces 38 having elasticity that are erected so as to support the lamp 100 from both sides of the base material 28a. . Each of the tongue pieces 38 is inclined inwardly with respect to each other, the vicinity of the tip 38a is curved inward, and the tip 38a faces outward. The base 102 of the lamp 100 described above is held in a concavo-convex manner by these tongue pieces 38. The base material 28a and the insulating plate 30 are provided with a plurality of holes (not shown) similar to those of the mounting plate 32 described later.

  Next, the mounting plate 32 and the base portion 24 will be described in more detail with reference to FIG. FIG. 3A is a perspective view of the mounting plate 32, and FIG. 3B is a perspective view of the base portion 24. The mounting plate 32 includes a rectangular flat plate 32 a and tabs (plate portions) 40 that are bent downward at right angles from both ends of the flat plate 32 a that are separated in the longitudinal direction of the lamp 100. These tabs 40 are formed so as to be biased toward one side edge side of the flat plate 32 a, that is, the side close to the recess 20 when the fixture 4 is attached to the main body 2. This prevents the socket 22 from interfering with the main surface 6 of the main body 2 when the socket 22 is rotated. The mode of rotation will be described later.

  A pair of screw holes 42 are formed in the flat plate 32 a so as to be separated from each other in a direction orthogonal to the longitudinal direction of the lamp 100. Small holes 44 and 46 that are spaced apart from each other are formed in a direction perpendicular to the direction in which the screw holes 42 are arranged. In addition, similar holes are formed at positions corresponding to the screw holes 42 and the small holes 44 and 46 of the insulating plate 30 and the base material 28a of the holder portion 28 described above. The screw hole 42 is for screwing a screw (not shown) into the socket 26 from the lower surface 33 side of the flat plate 32 a of the mounting plate 32. By this screwing, the socket 26, the holder portion 28, the insulating plate 30 and the mounting plate 32 are integrally assembled to constitute the socket portion 22. Further, the small holes 44 and 46 are formed by engaging bosses (not shown) formed on the lower surface of the socket 26 at positions corresponding to the small holes 44 and 46, thereby forming the members constituting the socket portion 22. For positioning each other. The reason why the small hole 44 has a small diameter and the small hole 46 has a larger diameter than that of the small hole 44 is that the direction of the socket 26 is correctly assembled due to the difference in the diameter of the corresponding boss. This is to prevent assembly.

  In addition, a shaft hole 40a is formed substantially at the center of the tab 40, and a plurality of protrusions 40b are formed around the shaft hole 40a concentrically with the center (not shown) of the shaft hole 40a. , That is, every 30 ° in this embodiment. Of the row of projections 40b, the two projections 40b located at both ends are respectively located at a horizontal position from the center of the shaft hole 40a, that is, at a position parallel to the flat plate 32a, and at an angle of 90 ° upward from this position. . Note that these protrusions 40 b protrude outward from the plate surface of the tab 40.

  Next, the base portion 24 will be described with reference to FIG. The base portion 24 is formed by punching and bending a metal plate, for example. The base portion 24 includes a rectangular base plate 48, tabs 50 bent upward at right angles from both ends of the base plate 48, and stop plates 52 bent upward at right angles from the side edges of the base plate 48. . The base plate 48 has a hole 48 a for fixing the fixture 4 to the main surface 6 of the main body 2. This fixing is performed by any other method such as screwing or caulking. The tabs 50 are provided corresponding to the tabs 40 and are respectively located outside the tabs 40. The tabs 40 and 50 are referred to as rotating parts. A shaft hole 50a is also formed in the tab 50, and a plurality of penetrating positioning holes (engagement holes) 50b corresponding to the protrusions 40b are formed concentrically with the shaft hole 50a. The positioning holes 50b located at both ends of the alignment hole 50b are positioned directly below and directly above the shaft hole 50a. The positioning holes 50b are formed every 30 °, and the formed range covers a range of 180 ° which is twice that of the projection 40b of the tab 40. As a result, the plurality of protrusions 40b and the positioning holes 50b are always engaged with each other at any rotational position, and the rotational position is firmly maintained. The stop plate 52 is for preventing further rotation of the mounting plate 32 by the tip 52a of the stop plate 52 coming into contact with the lower surface 33 of the flat plate 32a when the mounting plate 32 rotates. The protruding height of the stop plate 52 is such a dimension that the flat plate 32a can be kept horizontal when the flat plate 32a contacts the stop plate 52. The positioning hole 50b is a through-hole, but may be a recess that receives the protrusion 40b.

  A combination of the mounting plate 32 and the base portion 24, a screw (not shown) is inserted into the shaft hole 40a and the shaft hole 50a and locked with a nut, or a rod with a flange is inserted to crimp the end of the rod. The socket part 22 is rotatably held with respect to the base part 24 by any means. Since each protrusion 40b is engaged with the positioning hole 50b, it can be rotated with a click feeling every 30 °. The protrusion 40b and the positioning hole 50b are referred to as an uneven engagement portion.

  The above-described configuration of the combination of the mounting plate 32 and the base portion 24 is an example, and is not limited to the above configuration. For example, FIG. 14 shows a modification thereof. 14A is a front view showing the relationship between the mounting plate 332 and the base portion 324 in a normal use state, FIG. 14B is a side view thereof, and FIG. 14C is a rotation of the mounting plate 332. It is a front view which shows the state which moved the attachment plate 332 to the arrow direction when making it. In FIG. 14, the components of the socket portion other than the mounting plate 332 are the same as the components shown in FIG. Since the mounting plate 332 and the base portion 324 of this modification are similar to the mounting plate 32 and the base portion 24 described above, only the differences will be described here.

  As shown in FIG. 14A, the tab 340 of the mounting plate 332 is positioned inside the tab 350 of the base portion 324, and the tabs 340 and 350 are connected to each other by a bolt 382 so as to be rotatable. The bolt 382 is a member on the base portion 324 side. The outermost distance w of the pair of tabs 340 and 340 spaced apart from each other on the mounting plate 332, that is, the distance between the outer surfaces 341 and 341 of the tab 340 is the inner distance W of the tabs 350 and 350 spaced apart from each other on the base portion 324, The distance between the inner surfaces 351 and 351 of 350 is smaller. Therefore, when the tab 340 is in contact with the tab 350 on one side, a gap G is formed between the tab 340 and the tab 350 on the opposite side. As described above, the greatest feature of this modification is that the attachment plate 332 is attached to the base portion 324 so as to be movable along the axis of the bolt (shaft) 382.

  The bolt 382 on the side where the tabs 340 and 350 are in contact with each other has a nut 383 screwed onto the tip thereof, and the bolt 382 is provided with a spring material, that is, a compression coil spring 384, and the compression coil spring 384 is a nut. 383 and a tab 340 are interposed. As a result, the tab 340 is elastically biased in one direction so as to always come into contact with the tab 350. At that time, the nut 383 is screwed to the bolt 382 so as to prevent the tab 340 from moving to the bolt 382 on the other side. Here, the compression coil spring 384 and the bolt 382 are also part of the rotating portion. Also, in this modified example, a stop plate 352 similar to the above-described stop plate 52 is provided.

  Further, the positional relationship between the mounting plate 332 and the base portion 324 viewed from the side is shown by a solid line in FIG. In this modification, four positioning holes 350b are formed in the tab 350 on one side, and protrusions 340b that engage with the positioning holes 350b are formed on the tab 340. In this modification, the tab 340 is formed with one protrusion 340b that engages with the uppermost positioning hole 350b. However, the number is not limited to one, and a plurality may be provided. In that case, it is necessary to increase the number of the corresponding positioning holes 350b by the number of the increased protrusions 340b. Further, the tabs 340 and 350 on the side opposite to the one-direction side do not need to be provided with a protrusion and a positioning hole, respectively.

  Next, with reference to FIG.14 (c), the aspect which rotates the attachment board 332 is demonstrated. In order to rotate the mounting plate 332, it is necessary to first release the engagement state between the protrusion 340b and the positioning hole 350b shown in FIGS. For this purpose, the mounting plate 332, that is, the socket portion not shown in FIG. 14, is moved by hand in the direction of the arrow 333 against the elastic force of the compression coil spring 384, and the protrusion 340b is removed from the positioning hole 350b. As a result, the mounting plate 332 can be rotated as indicated by the phantom line in FIG. When the protrusion 340b is aligned with the positioning hole 350b at an arbitrary position, when the hand is released from the socket portion, the mounting plate 332 returns to the original state by the elastic force of the compression coil spring 384, and the protrusion 340b is positioned in the positioning hole 350b. At 350b, the mounting plate 332 is stopped.

  In the above-described embodiment shown in FIG. 3, the socket portion 22 can be rotated by elastic deformation of the tabs 40 and 50. However, in this modification, the engagement between the protrusion 340b and the positioning hole 350b is positively released. Therefore, the protrusion amount of the protrusion 340b can be extended within a range that can be accommodated in the size of the gap G, and the engagement area between the protrusion 340b and the positioning hole 350b can be expanded. Thus, the socket portion can be more firmly fixed to the base portion 324 at a desired angle within a range of 90 °. If the number of the positioning holes 350b is increased, the positioning holes 350b can be rotated to a range exceeding 90 °.

  Next, with reference to FIG. 4 and FIG. 5, the case where the lamp | ramp 100 is rotated in the lighting fixture 1 comprised in this way is demonstrated. 4 is a perspective view showing a state in which the lamp 100 is inclined by 30 ° from the vertical position, and FIG. 5 is a perspective view showing a state in which the lamp 100 is accommodated in the recess 20. 4 and 5, the illustration of the base 102 of the lamp 100 is omitted. As shown in FIG. 4, the lamp 100 still protrudes outward from the recess 20 at a position inclined 30 ° forward from the vertical position of the lamp 100 shown in FIG. 1, that is, at a position 60 ° from the horizontal position. However, the direction of light distribution is different from that shown in FIG. As shown in FIG. 5, the lamp 100 is located in the recess 20 at a position where the socket portion 22 of the fixture 4 is tilted by 90 °, that is, at a horizontal 0 ° position in the inverted state. Since the lamp 100 can be lit at this 0 ° position, a different light distribution can be obtained. Therefore, it can be set to an angle at which the most preferable light distribution is obtained in the range of 0 ° to 90 °.

  As shown in FIG. 5, at the position where the lamp 100 is accommodated in the recess 20, the height of the lamp 100 and the socket portion 22 from the main surface 6 is lower than that of the reflecting surface 12. Therefore, the socket part 22 can be easily packed without being deformed or damaging the lamp 100. In this way, the light distribution of the lamp 100 can be changed within a rotation range of 0 ° to 90 °. In the above embodiment, the positioning holes 50b and the protrusions 40b are configured to engage each other every 30 °. However, the number of the positioning holes 50b and the protrusions 40b is increased so as to have an angle of 20 ° or 15 °. May be formed.

  Next, a lighting apparatus 200 (FIGS. 12 and 13) according to a second embodiment of the present invention will be described with reference to FIGS. In the description, the same components as those referred to in the first embodiment will be described using the same reference numerals. FIG. 6 shows the lamp 100 used in the luminaire 200, a socket part 222 that supports the lamp 100, and a base part 224 to which the socket part 222 is attached. The most different point of the luminaire 200 of the second embodiment from the luminaire 1 of the first embodiment is that the lamp rotated by the cooperation of the gear 260 and the leaf spring 270 locked to the gear 260. The point 100 is stopped at a predetermined position. That is, the mounting plate 232 of the socket part 222 and the base part 224 are different from the lighting apparatus 1 of the first embodiment. The other members, that is, the holder portion 228, the socket 226, and the insulating plate 230 are the same as the corresponding components in the first embodiment, and thus detailed description thereof is omitted. In the figure, a portion indicated by 104 is a pin (terminal) of the lamp 100 inserted into the socket 226.

  Next, with reference to FIG. 7 and FIG. 8, the attachment plate 232 and the gear 260 attached to the attachment plate 232 will be described in detail. 7 shows the mounting plate 232, FIG. 7 (a) is a plan view of the mounting plate 232, FIG. 7 (b) is a front view, and FIG. 7 (c) is a side view. 8 shows the gear 260, FIG. 8 (a) shows a front view of the gear 260, and FIG. 8 (b) shows a side view. As shown in FIG. 7, the flat plate 232a of the mounting plate 232 has a rectangular shape, and screw holes 242 and small holes 244 and 246 similar to those of the mounting plate 32 of the first embodiment are formed, and their functions are also provided. It is the same as the corresponding part. At both ends of the flat plate 232a, tabs (plate portions) 240 having shaft holes 240a are bent downward at a right angle. On the lower surface 233 of the flat plate 232a, bosses 262 project from the tabs 240 at positions spaced apart from the tabs 240, respectively. The distance between the tab 240 and the boss 262 is set to be slightly larger than the thickness of the gear 260 described later. These bosses 262 prevent the gear 260 from shifting in the thickness direction. A rectangular portion 266 indicated by hatching in FIG. 7A indicates a portion of the lower surface 233 on which the gear 260 is disposed. The boss 262 may be formed by protruding a metal flat plate 232a, or another member may be additionally attached to the flat plate 232a.

  Next, the gear 260 will be described with reference to FIG. The gear 260 has a flat upper surface 260a positioned on the lower surface 233 of the mounting plate 232, both side surfaces 260b perpendicular to the upper surface 260a, and a plurality of teeth 264 formed in an arc shape below the side surface 260b. A shaft hole 260c is formed in the gear 260, and the aforementioned teeth 264 are formed along a circle concentric with the shaft hole 260c. The gear 260 is disposed in the portion 266 with the upper surface 260 a facing the lower surface 233 of the flat plate 232 a of the mounting plate 232. A mode in which the gear 260 is attached to the attachment plate 232 will be described later.

  Next, with reference to FIG. 9 and FIG. 10, the base part 224 and the leaf | plate spring 270 attached to the base part 224 are demonstrated in detail. 9 shows the base portion 224, FIG. 9A is a plan view of the base portion 224, FIG. 9B is a front view, and FIG. 9C is a side view. 10 shows the leaf spring 270, FIG. 10 (a) is a front view of the leaf spring 270, and FIG. 10 (b) is a side view. It should be noted that the side and front are referred to for convenience of explanation in each drawing. The base portion 224 includes a rectangular base plate 248, tabs (plate portions) 250 protruding from both ends of the base plate 248 by bending, and locking walls 280 provided upright at both ends of one side edge. Have

  Screw holes 248 a for screwing the fixture 204 to the main surface 6 of the lamp 100 are formed at approximately two locations in the center of the base plate 248. Each tab 250 is provided with a shaft hole 250a. Each locking wall 280 is formed with two rectangular locking ports 280a on the upper and lower sides for locking the leaf spring 270. The plate spring 270 locked to the locking port 280a is a metal plate-like member having elasticity narrower than the lateral width of the locking hole 280a. As shown in FIG. 10, the leaf spring 270 is formed by being bent symmetrically into a V shape at the center, and the center portion becomes a convex portion 270 b. The end portions 270a on both sides of the leaf spring 270 are engaged with the locking port 280a, and the leaf spring 270 is attached to the base portion 224. The state of the leaf spring 270 at this time is indicated by an imaginary line in FIG.

  In order to attach the mounting plate 232 to the base portion 224, each tab 240 is positioned inside the corresponding tab 250, and the shaft hole 240a of the tab 240, the shaft hole 250a of the tab 250, and the shaft hole 260c of the gear 260 are positioned relative to each other. The shaft 282 is inserted through them. As a result, the socket part 222 and the base part 224 are integrated to form the fixture 204. The tabs 240 and 250 are referred to as rotating parts. At this time, the teeth 264 of the gear 260 engage with the convex portion 270b (FIG. 10) at the center of the leaf spring 270. The gear 260 and the leaf spring 270 are referred to as an uneven engagement portion. The state at this time is shown in FIG. FIG. 11 is a main part explanatory view showing an engagement state between the base portion 224 and the gear 260 of the mounting plate 232. In FIG. 11, only the gear 260 is shown as the part on the socket portion 222 side, and the other parts are omitted. 11A shows a state in which the teeth 264 and the leaf spring 270 are engaged with each other. FIG. 11B shows a state in which the convex portion 270b of the leaf spring 270 is moved by the tip 264a of the tooth 264 when the gear 260 rotates. A state in which the leaf spring 270 is deformed by being pressed is shown. In FIG. 11A, the gear 260 is stably held and the rotation position of the socket portion 222 is positioned. When the socket portion 222 is rotated, the leaf spring 270 can be stopped at a desired angular position by repeatedly deforming and returning to the original shape in accordance with the rotation of the gear 260.

  Next, with reference to FIG. 12 and FIG. 13, the state which attached the fixture 204 to the main body 202 of the lighting fixture 200 is demonstrated. FIG. 12 shows a state in which the fixture 204 holding the lamp 100 protrudes from the main body 202, and FIG. 13 shows an inverted state in which the socket portion 222 of the fixture 204 is positioned in the recess 220 of the main body 202. Note that FIGS. 12 and 13 are perspective views of the components. Since the main body 202 has the same shape as the main body 2 of the first embodiment, detailed description thereof is omitted. The attachment 204 is attached with the gear 260 facing the recess 220. By doing so, the mounting plate 232 is prevented from interfering with the main surface 206 of the main body 202 during rotation. The fixture 204 rotates in the range from 0 ° shown in FIG. 13 to 90 ° shown in FIG. At this time, the leading end 280b of the locking wall 280 comes into contact with the lower surface 233 of the mounting plate 232 and is prevented from turning over 90 °. As shown in FIG. 13, when the socket part 222 is at 0 °, the socket part 222 including the holder part 228 is positioned at a position that is generally lower than the height of the reflecting surface 212 of the luminaire 200. Thereby, the lighting fixture 200 can have the same effect as the lighting fixture 1 of 1st Embodiment.

  As mentioned above, although embodiment of this invention was described, it cannot be overemphasized that it is not limited to the said embodiment and various deformation | transformation and a change are possible. For example, in the modification shown in FIG. 14, the compression coil spring 384 is used, but various elastic biasing means for biasing the mounting plate 332 such as a tension coil spring and a leaf spring can be used in combination with an appropriate configuration. Needless to say.

  Further, the rotation angle of the fixture 4 is not limited to 0 ° to 90 °, and 90 ° can be reduced by eliminating the stop plate 52 and increasing the number of protrusions 40b and positioning holes 50b. It is also possible to rotate to an angle exceeding, for example, 180 °. In this case, the degree of freedom in setting the light distribution is further increased. However, when rotating the angle beyond 90 °, the dimensions of the mounting plates 32, 232, 332 are reduced so that the mounting plates 32, 232, 332 do not interfere with the main surface 6 of the lighting fixture 1. It may be necessary to remove the stop plates 52 and 352.

It is a perspective view which shows 1st Embodiment of the lighting fixture of this invention. It is a perspective view which shows the whole fixture used for the lighting fixture of FIG. It is a perspective view which shows the positional relationship of the components of a fixture. It is a perspective view which shows the state which inclined the lamp | ramp of the lighting fixture of FIG. 1 30 degrees from the vertical position. It is a perspective view which shows the state which accommodated the lamp | ramp in the recess of the lighting fixture. The lamp | ramp used for the lighting fixture of the 2nd Embodiment of this invention, a socket part, and the base part to which a socket part is attached are shown. The attachment plate used for the lighting fixture of the 2nd Embodiment of this invention is shown, (a) is a top view, (b) is a front view, (c) shows a side view, respectively. The gear used for the lighting fixture of the 2nd Embodiment of this invention is shown, a) shows a front view, (b) shows a side view, respectively. The base part used for the lighting fixture of the 2nd Embodiment of this invention is shown, (a) is a top view, (b) is a front view, (c) is a side view. The leaf | plate spring used for the lighting fixture of the 2nd Embodiment of this invention is shown, (a) is a front view, (b) is a side view. It is principal part explanatory drawing of the 2nd Embodiment of this invention which shows the engagement state of the base part and the gear of a mounting plate. It is a perspective view which shows the state which the fixture which hold | maintained the lamp | ramp of the lighting fixture of the 2nd Embodiment of this invention protruded from the lighting fixture main body. It is a perspective view which shows the state which the fixture of the lighting fixture of the 2nd Embodiment of this invention located in the recess of a lighting fixture main body. The modification of the 1st Embodiment of this invention is shown, (a) is a front view which shows the relationship between a mounting plate and a base part of a normal use state, (b) is the side view, (c) is It is a front view of the state which moved the attachment plate to the arrow direction when rotating an attachment plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,200 Lighting fixture 2,202 Lighting fixture main body 4,204 Attachment 20, 220 Recess 22, 222 Socket part 24, 224, 324 Base part 40, 50, 240, 250, 340, 350 Rotation part 40b, 340b Protrusion (concave engagement part)
50b, 350b Engagement hole (concave engagement part)
100 lamp 104 pin (terminal)
260 Gear (concave engagement part)
270 leaf spring (concave engagement part)

Claims (6)

A luminaire main body, and a pair of socket portions for electrically connecting to each receiving terminal provided on a side surface of both end portions of the lamp to support the lamp long, each of the pair of socket portions the In the lighting fixture provided with the base part fixed to the lighting fixture main body,
The lighting fixture body is provided with a recess for accommodating the lamp,
The socket portion has a mounting plate on the base portion side, and the mounting plate has a rotating portion composed of a pair of plate portions facing each other and extending in parallel to the base portion side,
The base portion has a base plate, and the base plate extends in parallel to the socket portion side and corresponds to the pair of plate portions of the mounting plate. Having a rotating part,
The socket part and the base part are rotatably connected to each other via the both turning parts, so that the lamp can be moved from a position in the recess to a position where the lamp has come out of the recess. luminaire, wherein the plate portion of the pair of the socket portion is provided biased to one side edge side close to the recess of the luminaire body of the mounting plate. The base portion is formed with a stop plate that contacts the mounting plate of the socket portion and prevents the lamp from rotating more than a predetermined angle when the lamp rotates and comes out of the recess. The lighting fixture according to claim 1. On at least one side of the plate portion of the plate portion of the pair, or claim 1, wherein a plurality of recess-projection engaging portion for positioning the relative angle arranged along the rotation direction is formed 2. The lighting apparatus according to 2 . The uneven engagement portion includes a plurality of engagement holes formed in an arc shape at a predetermined pitch in the plate portion of either the socket portion or the base portion, and the other plate portion. The lighting fixture according to claim 3 , further comprising a protrusion that is formed corresponding to the engagement hole and engages with the engagement hole.   Each of the sockets is composed of a gear concentric with the rotating part attached to the base part side and a locking member provided on the base part so as to be elastically engaged with the gear. The luminaire according to claim 1, further comprising a concave-convex engaging portion for positioning the relative angle of each other. Largest center angle which the socket part is pivoted relative to the base unit, according to claim 1 Symbol, wherein the lamp is in the range of 0 ° to 180 ° positioned in the recess of the luminaire body Illuminated lighting equipment.

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