JP6531932B2 - lighting equipment - Google Patents

Description

  The present invention relates generally to lighting fixtures, and more particularly to lighting fixtures having alternating light sources and reflectors relative to the fixture body.

  BACKGROUND Conventionally, a ceiling-embedded lighting fixture has been provided (see, for example, Patent Document 1). The lighting fixture described in Patent Document 1 includes a box-shaped fixture body whose lower surface is open, and two fluorescent lamps are arranged side by side inside the fixture body.

  Further, a V-shaped reflection plate for reflecting the light from the fluorescent lamp downward is disposed between the two fluorescent lamps inside the instrument body. The reflecting plate is attached to the instrument body by hooking a hook-like locking portion provided on a holder fixed to the bottom surface of the instrument body into a slit-like locking hole provided on the reflecting plate.

JP 2000-156116 A

  By the way, in the lighting fixture shown to the above-mentioned patent document 1, a louver may be attached to a reflecting plate, and in this case, after attaching a fluorescent lamp to an instrument main body, a reflecting plate will be attached to an instrument main body. Therefore, it is necessary to hook the locking portion to the locking hole while checking the positions of the locking portion and the locking hole in a narrow working space, and the workability is not good.

  This invention is made in view of the said problem, and it aims at improving workability | operativity at the time of attaching a reflection member to an instrument main body.

The lighting fixture of the present invention comprises a light source, a reflecting member, and a fixture body for holding the light source and the reflecting member, wherein the fixture body has the light source and the reflection on one surface of a flat plate-shaped mounting portion. The members are attached so as to be alternately arranged, and the reflecting members are a pair of reflecting plates which are inclined such that the distance between them is narrowed as at least a part of them is separated from the mounting portion; The device body comprises a pair of side plates extending from the end edge on the side of the mounting portion to the side of the mounting portion, and the device body projects from the mounting portion in the direction intersecting the mounting portion, and the tip of the support piece And a plug-in piece projecting in a direction intersecting the support piece, each of the pair of side plates has a plug-in hole into which the plug-in piece is inserted, and the instrument main body comprises the plug-in piece The position to be inserted into the insertion hole Has a guide portion for guiding at least one pair of side plates, said guide portion, said being in a direction perpendicular to the mounting portion is disposed so as to face the insertion piece, and the insertion and the supporting piece It is characterized by having an inclined piece which inclines so that the amount of projection in the direction orthogonal to the attaching part may become small toward the tip of the insertion piece from the connection part with the piece .

  According to the configuration of the present invention, it is possible to improve the workability when attaching the reflection member to the instrument body.

In the lighting fixture which concerns on embodiment of this invention, it is the perspective view which can be partially omitted in the state which attached the reflection member to the attachment plate. It is an exploded perspective view of a lighting fixture concerning an embodiment of the present invention. It is a whole perspective view of the lighting fixture concerning the embodiment of the present invention. It is a principal part enlarged view of a mounting plate used for a lighting fixture concerning an embodiment of the present invention. FIG. 5A is a front view of a reflecting member used in a lighting apparatus according to an embodiment of the present invention, FIG. 5B is a bottom view which can be partially omitted, and FIG. 5C is a side view which is partially omitted. 6A to 6C are explanatory views for explaining the procedure for attaching the reflecting member to the mounting plate in the lighting apparatus according to the embodiment of the present invention.

  A lighting apparatus according to an embodiment of the present invention will be specifically described with reference to the drawings. However, the configuration described below is merely an example of the present invention, and the present invention is not limited to the following embodiments, and other than this embodiment does not deviate from the technical concept of the present invention. If it is a range, various changes are possible according to a design etc.

  In the following description, unless otherwise noted, front, rear, left, right, upper and lower directions are defined in FIG. Therefore, in the present embodiment, the longitudinal direction of the light source unit 3 is the front-rear direction, the lateral direction (width direction) of the light source unit 3 is the lateral direction, and the height direction of the light source unit 3 is the vertical direction. However, these directions do not define the mounting direction of the luminaire.

  The lighting fixture of the present embodiment is a ceiling-embedded lighting fixture in which the fixture body is embedded in an embedding hole provided in a ceiling plate. The luminaire comprises a support block 1 and a light source block 2 as shown in FIG. Further, the light source block 2 includes a plurality of (three in FIG. 2) light source units 3, a power supply device 4, a plurality of (two in FIG. 2) reflecting members 5, and a mounting plate 6.

  The light source unit 3 includes an LED module 30, a mounting member 31, a cover 32, a pair of cover ends 33, and a pair of reflective sheets 34.

  The LED module 30 has a substrate 300 made of an insulating material such as ceramics, and a plurality of light emitting diodes 301 (light sources) mounted on the surface (lower surface) of the substrate 300 in two rows at regular intervals. Further, a receptacle connector 302 is mounted at one end (rear end) of the substrate 300 in the longitudinal direction (front-rear direction).

  The receptacle connector 302 is electrically connected to each light emitting diode 301 via a printed wiring (not shown) formed on the substrate 300. Further, in the substrate 300, three through holes 303 are provided at equal intervals along the longitudinal direction (front-rear direction) at both ends in the lateral direction (left-right direction).

  The attachment member 31 has a rectangular shape having a bottom wall portion 310 formed in a long and rectangular plate shape, and a pair of side wall portions 311 rising upward from both ends in the short side direction (left and right direction) of the bottom wall portion 310. Is formed. In the bottom wall portion 310, three cut and raised pieces 312 are provided at equal intervals along the longitudinal direction (front-rear direction) at both ends in the lateral direction (left-right direction).

  The LED module 30 is crimped after the six cut-and-raised pieces 312 of the mounting member 31 are inserted through the respective through holes 303 of the substrate 300 in a state where the bottom wall portion 310 of the mounting member 31 and the substrate 300 are in close contact. Is attached to the attachment member 31.

  The reflective sheet 34 is formed in a sheet shape by a synthetic resin material such as polyethylene terephthalate. The reflective sheet 34 is colored in white so that the surface (surface to which the adhesive is not applied) is formed as a reflective surface.

  Then, the pair of reflection sheets 34 is attached to the bottom wall portion 310 and the surface (lower surface) of the substrate 300 so as to cover the bottom wall portion 310 and the substrate 300 while avoiding the light emitting diode 301. That is, by reflecting the light emitted from the light emitting diode 301 to the reflection surface of the reflection sheet 34, more light can be irradiated to the illumination space.

  The cover 32 is made of a translucent material such as acrylic resin or polycarbonate resin, and is directed upward from the substantially semi-cylindrical main portion 320 and both ends in the short direction (left and right direction) of the main portion 320. And a pair of projecting wall portions 321 projecting inward are integrally formed. Further, at the tip (upper end) of each projecting wall portion 321, projecting portions 3210 which project inward are integrally provided.

  Furthermore, extension parts 322 extending to the outside of each projecting wall part 321 so as to be continuous with the main part 320 are integrally formed at both ends in the short direction of the main part 320, respectively. In the cover 32, the projection 3210 of each projecting wall 321 is hooked on the tip (upper end) of each side wall 311 of the mounting member 31 to cover the front (lower side) of the LED module 30. Mounted on the underside of the

  In addition, the milky white diffusing material is mixed and the cover 32 is comprised so that the light radiated | emitted from the LED module 30 may be diffused and irradiated to illumination space.

  The cover end 33 is formed in the shape of a semi-disc and made of the same material as the cover 32 and is attached to both ends of the cover 32 and the attachment member 31 in the longitudinal direction.

  The power supply device 4 is a printed circuit board on which a power conversion circuit for converting AC voltage / current into DC voltage / current, an input terminal block 41, an output terminal block (not shown), a signal terminal block 42, etc. (Not shown) is configured to be housed in a metal case 40. The input terminal block 41 and the signal terminal block 42 are mounted on the front end of the printed wiring board, and the output terminal block is mounted on the rear end of the printed wiring board.

  The case 40 is configured by assembling a case main body 400 formed in a square shape and a box-shaped case lid 401 placed on the case main body 400. However, both ends in the longitudinal direction of the printed wiring board on which the input terminal block 41, the output terminal block, and the signal terminal block 42 are mounted are not covered by the case lid 401.

  The mounting plate 6 is formed in a rectangular (square) plate shape by a metal plate such as a steel plate. However, in the mounting plate 6, the strength is improved by bending and raising the four sides in the same direction (downward). Then, the three light source units 3 are attached to the lower surface of the mounting plate 6 by an appropriate method such as screwing in a state in which the longitudinal direction is aligned in the front-rear direction and arranged at equal intervals along the left-right direction. In addition, the power supply device 4 is attached to the lower surface of the mounting plate 6 between two adjacent light source units 3 by an appropriate method such as screwing.

  In addition, the mounting plate 6 is a support piece 60 projecting downward (in a direction intersecting with the mounting plate 6) from the mounting plate 6 and a tip (lower end) of the support piece 60 laterally (in a direction intersecting the support piece 60) And a projecting insertion piece 61. The support piece 60 and the insertion piece 61 are formed by cutting and raising a part of the mounting plate 6. The insertion piece 61 is a rectangular plate which is long in the front-rear direction, and as shown in FIGS. 1 and 4, is formed so that the width dimension becomes smaller toward the tip by chamfering the corner of the tip There is.

  The reflecting members 5 are respectively disposed in two spaces generated between the adjacent light source units 3. These reflecting members 5 have the same configuration, and as shown in FIGS. 5A to 5C, the pair of reflecting plates 50 and the pair of side plates 51 extending upward from the upper end of each reflecting plate 50 have a rectangular shape. It is integrally formed by bending a metal plate. One end of the pair of reflection plates 50 in the short direction is connected to each other, and is formed in a V shape when viewed from the longitudinal direction (front-rear direction).

  The side plate 51 is provided with a T-shaped insertion hole 510 in the vicinity of the tip (upper end) at both ends in the longitudinal direction (front-rear direction). In addition, a folded back plate 52 opposed to the side plate 51 is integrally formed at an end of the side plate 51 by bending the edge portions of the side plate 51 in the inward direction (directions toward each other) (see FIG. 5A).

  Furthermore, as shown in FIG. 1 and FIG. 5C, an insertion groove 520 having an opening dimension smaller than the insertion hole 510 in the front-rear direction is provided at a position facing the insertion hole 510 of the side plate 51 in the folding plate 52. ing. Here, in the present embodiment, the open end edges on both sides of the insertion groove 520 in the longitudinal direction are directed from one end side (upper side in FIG. 1) to the other end side (lower side in FIG. 1) in the vertical direction. It is inclined to narrow the distance between each other. The procedure for attaching the reflecting member 5 to the mounting plate 6 will be described later.

  The power supply device 4 attached to the attachment plate 6 is covered with the reflecting member 5 attached to the attachment plate 6 (right side in FIG. 2). As described above, since the power supply device 4 is disposed in the dead space surrounded by the reflecting member 5 and the mounting plate 6, the light source block 2 is compared to the case where the power supply device 4 is attached to the back surface (upper surface) of the mounting plate 6. To reduce the height of the Here, in the present embodiment, the mounting portion is configured by the mounting plate 6.

  The support block 1 is formed in the rectangular box shape by which the lower surface was open | released by the rectangular-tube-shaped frame 10 and the rectangular flat plate-like base board (bottom plate) 11 being couple | bonded.

  The frame body 10 has a pair of first side plates 100 opposed in the left-right direction, a pair of second side plates 101 opposed in the front-rear direction, and a flange 102. The first side plate 100 projects horizontally and horizontally from the upper end edge of the rectangular plate-like vertical plate 1000, the inclined plate 1001 projecting obliquely downward from the lower end edge of the vertical plate 1000, and the upper end edge of the vertical plate 1000. The mounting piece 1002 is integrally formed of a metal plate such as a steel plate.

  Further, the second side plate 101 includes a trapezoidal vertical plate 1010, a mounting piece 1011 which protrudes inward and horizontally from the upper end edge of the vertical plate 1010, and a pair of upward projecting from both ends in the left and right direction of the vertical plate 1010. The joint piece 1012 is integrally formed of a metal plate such as a steel plate.

  The 2nd side board 101 is joined to the both ends in the longitudinal direction (front-back direction), respectively. That is, by welding the joint piece 1012 of the second side plate 101 to the vertical plate 1000 of the first side plate 100, the first side plate 100 and the second side plate 101 are joined.

  The flange 102 is formed in a rectangular frame shape by processing a metal plate, and is joined to lower end edges of the first side plate 100 and the second side plate 101.

  The base plate 11 is formed in a rectangular plate shape by a metal plate such as a steel plate. However, in the base plate 11, strength is improved by bending and raising the four sides in the same direction (downward).

  Further, the base plate 11 is provided with a first insertion hole 110 through which a power supply line for feeding power is inserted, and a second insertion hole 111 through which a signal line transmitting a control signal for light adjustment is inserted. . A power supply line (not shown) inserted into the first insertion hole 110 is connected to the first terminal block 7 fixed to the lower surface of the base plate 11. In the first terminal block 7, one end of a wire (not shown) is connected to a connecting portion (not shown). The other end of the wire is connected to the input terminal block 41 of the power supply device 4. Therefore, AC power is supplied from the commercial power supply to the power supply device 4 through the first terminal block 7.

  Further, the second terminal block 8 is also fixed to the lower surface of the base plate 11. The second terminal block 8 is connected to a signal line (not shown) inserted through the second insertion hole 111 and a signal line connected to the signal terminal block 42 of the power supply device 4. That is, a dimming signal transmitted from a dimmer not shown through a signal line is input to the signal terminal block 42 of the power supply device 4 through the second terminal block 8.

  The power supply device 4 is configured to dim each light source unit 3 by reducing the output (DC power) from the rated value in response to the dimming signal. Further, in the base plate 11, a plurality of (three in FIG. 2) bolt insertion holes 112 through which the suspension bolts (not shown) are inserted are provided in line in the left-right direction.

  By the way, the base plate 11 is provided with a plurality of (two in FIG. 2, four in total in the left and right in FIG. 2) mounting portions 12 at intervals in the front-rear direction at both ends in the left-right direction. That is, the base plate 11 is attached to the attachment piece 1002 of the frame 10 by the four attachment portions 12.

  In the support block 1, a nut (not shown) is tightened to a suspension bolt inserted into the bolt insertion hole 112 of the base plate 11 and fixed to the suspension bolt. And the support block 1 is arrange | positioned in the state in which the flange 102 of the frame 10 was exposed to the lower surface side (illumination space side) of a ceiling board, and the other part was inserted in the embedding hole of a ceiling board. That is, the flange 102 is provided to close and hide the gap generated between the peripheral edge of the embedding hole and the support block 1.

  Further, so-called latches (not shown) are attached to each of the attachment pieces 1011 of the frame 10 two at a time in the left-right direction. The latch has a knob, which is formed in a narrow rectangular shape, and a support portion that rotatably supports the knob. The latch is attached to the attachment piece 1011 with the support portion inserted through an attachment hole (not shown) provided in the attachment piece 1011.

  On the other hand, two rectangular insertion holes 63 (see FIG. 2) each having a dimension through which the knob of the latch can be inserted are provided at each end of the mounting plate 6 in the front-rear direction. That is, when the light source block 2 is accommodated in the support block 1 embedded in the embedding hole, the knobs of the latches inserted through the insertion holes 63 of the mounting plate 6 are rotated by 90 degrees, thereby the insertion holes 63 Picking is held off against.

  Therefore, the light source block 2 is attached to the support block 1 (a pair of attachment pieces 1011 of the frame 10) by four latches. However, since the latch as described above is conventionally known, detailed illustration and description thereof will be omitted. Here, in the present embodiment, the tool body is configured by the support block 1 including the frame 10 and the base plate 11 and the mounting plate 6 of the light source block 2.

  By the way, in the lighting fixture of this embodiment, when attaching the light source block 2 to the support block 1, the attachment by a latch is attained by removing the reflection member 5 once. And when attaching the reflection member 5 to the attachment plate 6 of the light source block 2 attached to the support block 1, it is necessary to work in the narrow space between the adjacent light source units 3 and 3. Therefore, in the conventional structure in which the insertion piece 61 is inserted into the insertion hole 510 while checking the positions of the insertion piece 61 and the insertion hole 510, the workability is not good.

  So, in this embodiment, as shown in FIG.1 and FIG.4, the guide part 62 is provided so as to correspond to each insertion piece 61. As shown in FIG. Hereinafter, the guide portion 62 will be specifically described.

  The guide portion 62 is integrally formed with the mounting plate 6 by cutting and raising a part of the mounting plate 6, and functions as a guide when attaching the reflecting member 5 to the mounting plate 6. The guide portion 62 has a support piece 620 projecting downward from the mounting plate 6 and an inclined piece 621 formed by bending the front end and the lower end side of the support piece 620 in the left-right direction. Further, the insertion piece 61 and the inclined piece 621 are disposed so as to overlap in such a manner that the insertion piece 61 is on the upper side and the inclination piece 621 is on the lower side in the vertical direction (direction orthogonal to the mounting plate 6) Is brought into contact with the insertion piece 61.

  Here, as shown in FIGS. 1 and 4, the shape of the inclined piece 621 is such that the amount of protrusion in the vertical direction decreases from the connecting portion of the support piece 60 and the insertion piece 61 toward the tip of the insertion piece 61. It is formed in the shape of a triangle inclined to

  Next, the procedure for attaching the reflecting member 5 to the mounting plate 6 will be specifically described with reference to FIGS. 1, 3 and 6A to 6C. 6A to 6C, only the relationship between one side plate 51, the insertion piece 61 and the guide portion 62 is illustrated, but the relationship between the other side plate 51, the insertion piece 61 and the guide portion 62 is the same. Therefore, illustration and explanation will be omitted.

  As the operator brings the reflecting member 5 closer to the mounting plate 6, as shown in FIG. 6A, the upper end edge (the bending portion of the side plate 51 and the folding plate 52) of the side plate 51 contacts the inclined piece 621 of the guide portion 62. Do.

  When the worker further pushes the reflecting member 5 toward the mounting plate 6 side (upper side) from the state shown in FIG. 6A, the side plate 51 faces upward along the oblique side of the inclined piece 621 as shown in FIG. While moving to the approach direction), it is bent in the inside (direction toward the opposite side plate 51).

  As shown in FIG. 6C, when the worker further pushes the reflecting member 5 toward the mounting plate 6 from the state shown in FIG. 6B and the insertion hole 510 of the side plate 51 faces the insertion piece 61, as shown in FIG. The side plate 51 returns to the original position by the reaction force (outward elastic force). Then, in a state where the side plate 51 is returned to the original position, the inclined piece 621 of the insertion piece 61 and the guide portion 62 is inserted into the insertion hole 510, whereby the reflection member 5 is attached to the mounting plate 6 (FIG. 1) And Figure 3).

  Here, in a state where the reflection member 5 is attached to the attachment plate 6, as shown in FIG. 1, the insertion piece 61 is inserted into the insertion groove 520 provided in the folding plate 52, and the front and rear of the insertion groove 520. In contact with both open edges in the direction. Thereby, it can suppress that the reflection member 5 rattles in the front-back direction.

  Further, from the state shown in FIG. 6C, the operator bends the side plate 51 inward and retracts the insertion piece 61 and the inclined piece 621 from the insertion hole 510, and then the reflecting member 5 is directed downward (from the mounting plate 6). The reflecting member 5 can be removed by moving it away).

  According to the present embodiment, the upper end edge of the side plate 51 of the reflecting member 5 is brought into contact with the inclined piece 621 of the guide portion 62 provided on the mounting plate 6, and the reflecting member 5 is pushed so as to approach the mounting plate 6 The insertion piece 61 can be inserted into the insertion hole 510 and the reflecting member 5 can be attached to the mounting plate 6. Therefore, when inserting the insertion piece 61 into the insertion hole 510 while confirming the positions of the insertion piece 61 and the insertion hole 510 in the narrow space between the adjacent light source units 3 and 3 attached to the mounting plate 6 As compared with the above, the workability can be improved.

  When the inclined piece 621 is provided in the guide portion 62 as in the present embodiment, the insertion piece 61 is inserted into the insertion hole 510 only by moving the side plate 51 along the oblique side of the inclined piece 621. Can. Furthermore, when the inclined piece 621 of the guide portion 62 is brought into contact with the insertion piece 61 in the vertical direction (direction orthogonal to the mounting plate 6) as in the present embodiment, the deformation of the insertion piece 61 is suppressed. Can.

  Further, when the guide portion 62 is formed by cutting and raising a part of the mounting plate 6 as in the present embodiment, cost increase can be suppressed as compared with the case where the guide portion 62 is separated. .

  In the present embodiment, the ceiling-embedded lighting fixture in which the tool body is embedded in the ceiling plate is described as an example, but the lighting fixture to which the technical idea of the present invention can be applied is the ceiling-embedded lighting fixture. Not limited to the built-in luminaire, for example, it may be a direct ceiling luminaire directly attached to the ceiling plate.

  Further, in the present embodiment, the guide portions 62 are provided in the insertion pieces 61 on both sides in the left-right direction, but the guide portions 62 may be provided in at least one insertion piece 61, and the present invention is not limited to this embodiment. In this case, the reflection member 5 is similarly moved by moving the opposite side plate 51 along the inclined piece 621 in a state where the insertion piece 61 in which the guide portion 62 is not provided is inserted into the corresponding insertion hole 510. Can be attached to the mounting plate 6.

  Furthermore, the guide part 62 of this embodiment is an example, and when attaching the reflecting member 5 to the attachment plate 6, as long as the reflecting member 5 can be guided, another structure may be sufficient.

  As described above, the lighting fixture of this embodiment includes the light emitting diode 301 (light source), the reflecting member 5, and the device main body (the support block 1 and the mounting plate 6) for holding the light emitting diode 301 and the reflecting member 5. Prepare. The device body is attached so that the light emitting diodes 301 and the reflecting members 5 are alternately arranged on one surface of the attachment plate 6 (attachment portion) formed in a flat plate shape. The reflecting member 5 has a pair of reflecting plates 50 inclined so that the distance between the reflecting members 5 is smaller as at least a part of the reflecting plate 5 is separated from the mounting plate 6, and the mounting plate from the end of the pair of reflecting plates 50 on the mounting plate 6 side And a pair of side plates 51 extending to the six sides. The instrument body has a support piece 60 projecting from the mounting plate 6 in a direction intersecting the mounting plate 6 and an insertion piece 61 projecting in the direction intersecting the support piece 60 from the tip of the support piece 60. Each of the pair of side plates 51 has an insertion hole 510 into which the insertion piece 61 is inserted. The instrument body has a guide portion 62 which guides at least one of the pair of side plates 51 to a position where the insertion piece 61 is inserted into the insertion hole 510.

  According to the above configuration, only by moving at least one of the pair of side plates 51 along the guide portion 62, the insertion piece 61 can be inserted into the insertion hole 510 and the reflection member 5 can be attached to the instrument body . Thereby, it is possible to improve the workability as compared with the case where the locking portion is hooked to the locking hole while checking the positions of the locking portion and the locking hole as in the conventional lighting fixture.

  Moreover, it is preferable that the guide part 62 has the inclination piece 621 like the lighting fixture of this embodiment. In this case, the inclined piece 621 is disposed to face the insertion piece 61 in the direction orthogonal to the mounting plate 6 and directed from the connecting portion of the support piece 60 and the insertion piece 61 to the tip of the insertion piece 61 It is preferable to incline so that the amount of protrusion in the direction orthogonal to the mounting plate 6 is reduced.

  According to the above configuration, the insertion piece 61 can be inserted into the insertion hole 510 only by moving the side plate 51 along the inclined piece 621.

  Further, as in the lighting device of the present embodiment, in the guide portion 62, the inclined piece 621 is preferably in contact with the insertion piece 61 in the direction orthogonal to the mounting plate 6.

  According to the above configuration, the deformation of the insertion piece 61 can be suppressed by bringing the inclined piece 621 of the guide portion 62 into contact with the insertion piece 61.

  Further, as in the lighting device of the present embodiment, the guide portion 62 is preferably formed by cutting and raising a part of the mounting plate 6.

  According to the above configuration, the cost increase can be suppressed as compared with the case where the guide portion 62 is separated.

1 Support block (device body)
5 Reflecting member 6 Mounting plate (instrument body, mounting portion)
DESCRIPTION OF SYMBOLS 50 Reflector plate 51 Side plate 60 Support piece 61 Insertion piece 62 Guide part 301 Light emitting diode (light source)
510 Insertion hole 621 Inclined piece

Claims (3)

A light source, a reflecting member, and an instrument body for holding the light source and the reflecting member,
The device body is attached such that the light source and the reflection member are alternately arranged on one surface of an attachment portion formed in a flat plate shape.
The reflecting member is a pair of reflecting plates that are inclined such that the distance between the reflecting members is smaller as at least a part of the reflecting member is away from the attaching portion, and the attaching portion from an edge on the attaching portion side And a pair of side plates extending to the side,
The instrument body has a support piece projecting from the attachment portion in a direction intersecting the attachment portion, and a plug-in piece projecting in a direction intersecting the support piece from the tip of the support piece,
Each of the pair of side plates has an insertion hole into which the insertion piece is inserted,
The device body has a guide portion for guiding at least one of the pair of side plates to a position where the insertion piece is inserted into the insertion hole ,
The guide portion is disposed to face the insertion piece in a direction orthogonal to the attachment portion, and the attachment portion is directed from the connecting portion of the support piece and the insertion piece toward the tip of the insertion piece A luminaire characterized by comprising an inclined piece which is inclined so that the amount of protrusion in the direction orthogonal to the part is reduced . The said guide part is a lighting fixture of Claim 1 which the said inclination piece contacts the said insertion piece in the direction orthogonal to the said attaching part. The said guide part is formed by cutting and raising a part of said attachment part, The lighting fixture of Claim 1 or 2 characterized by the above-mentioned.

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