JP6541062B2 - lighting equipment - Google Patents

Description

  The present invention relates to a luminaire, and more particularly to a luminaire having an instrument body and a light source unit removably attached to the instrument body.

  The lighting fixture of patent document 1 is illustrated as a prior art example. The lighting fixture described in Patent Document 1 is a lighting fixture embedded in a so-called system ceiling. This lighting fixture comprises a main body having a light source storage frame, a light source module provided inside the light source storage frame, and having a substrate and a light emitting element mounted on the substrate, and a fixture attached to the light source module . The fixture has a locking portion movable between the holding position and the release position. The locking portion is provided to protrude from the end of the light source module. The locking portion in the holding position locks the light source storage frame to hold the light source module on the main body. On the other hand, the locking portion in the release position releases the locking with the light source storage frame to enable the light source module to be detached from the main body.

JP, 2013-179003, A

  By the way, in the lighting fixture of patent document 1, the fixture is each attached to the four corners of a long light source module. In other words, the person who performs the construction work must move the locking parts of the four fixtures from the release position to the holding position in order while holding the light source module with one hand while using the other hand. .

  This invention is made in view of the said subject, and aims at aiming at the improvement of workability | operativity at the time of attaching a light source unit to an instrument main body.

The lighting fixture of the present invention comprises a fixture body, and a light source unit removably mounted on the fixture body, and the fixture body has a plate-like base, and a hook portion and a holding portion provided on the base. The light source unit is provided at a unit body, a hook piece projecting from one end of the unit body and hooked to the hook portion, and provided at the other end of the unit body and held by the holding portion. And the holding portion is formed in a plate shape, and the holding body has a first pressing portion and a second pressing portion, and the first surface of the holding portion is the first pressing portion. And pressing the second surface of the holding portion in the opposite direction to the first pressing portion, and the holding portion causes the first surface to face the surface of the base. The first pressing portion and the second pressing portion are elastic. And the elastic body is configured to press the first surface and the second surface by the elasticity, and the holding body is a direction intersecting the pressing direction of the first pressing portion and the second pressing portion. characterized Rukoto to have a pair of support pieces for supporting so as to sandwich the holder from.

  The lighting fixture of the present invention has the effect of being able to improve the workability when attaching the light source unit to the fixture body.

The lighting fixture which concerns on this embodiment is shown, and it is a disassembled perspective view of the state embedded and arrange | positioned by the system ceiling. The instrument main body in the same as the above is shown, Drawing 2A is a front view, Drawing 2B is a left side view, and Drawing 2C is a top view. It is the partially broken front view of the light source unit in the same as the above. The light source unit in the same as the above is shown, FIG. 4A is a top view, FIG. 4B is a side view. It is the side view seen from the longitudinal direction of the light source unit in the same as the above. It is another partially broken side view seen from the longitudinal direction of the light source unit in the same as the above. FIG. 7A is a partially broken side view showing a state in the middle of attaching the light source unit to the instrument main body, and FIG. 7B is a partially broken side view showing a state where the light source unit is attached to the instrument main body is there. It is a partially broken side view showing the main part of the state in the middle of attachment of the light source unit to the instrument main body same as the above. It is the partially broken side view which shows the principal part of the state which attached the light source unit to the instrument main body same as the above. It is a partially broken side view showing the main part of the state which attached the light source unit to the instrument main body same as the above.

  Hereinafter, the lighting fixture according to the present embodiment will be described with reference to the drawings. The configuration described in the following embodiment is merely an example of the present invention. The present invention is not limited to the following embodiments, and various modifications can be made according to the design and the like without departing from the technical concept of the present invention.

  As shown in FIG. 1, the lighting fixture of the present embodiment is a lighting fixture embedded in a so-called system ceiling, and includes a fixture main body 1, a light source unit 5, and a power supply unit 6.

  As shown in FIGS. 1 and 2A to 2C, the instrument body 1 is formed in a rectangular box shape having a top plate (base) 2 and four side plates 3 and opened downward. The top plate 2 is formed in a square shape by a metal plate such as a steel plate (hot-dip galvanized steel plate). The four side plates 3 are formed in a rectangular shape by metal plate members such as steel plates (hot-dip galvanized steel plates) and are configured to stand downward from the four sides of the top plate 2. That is, the instrument body 1 is formed into a flat rectangular rectangular shape opened downward by punching and bending a metal plate such as a steel plate.

  Moreover, it is preferable that the instrument main body 1 includes two partition plates 4. The two partition plates 4 are formed in the rectangular shape of the same shape and the same dimension by board | plate materials made of metals, such as a steel plate (hot-dip galvanized steel plate). The two partition plates 4 are in parallel with the two opposing side plates 3 and equally divide the space surrounded by the top plate 2 and the four side plates 3 (hereinafter referred to as the internal space of the tool body 1) into three equal parts. Are fixed to the top 2 and the two side plates 3 (see FIGS. 2A and 2B). Each partition plate 4 is preferably joined (fixed) to the top plate 2 and the two side plates 3 by an appropriate method such as welding, for example. One light source unit 5 is accommodated in each of two internal spaces excluding the central internal space among the internal spaces divided into three equal parts by two partition plates 4 (see FIG. 1). An air conditioning facility, a disaster prevention facility, etc. are accommodated in the central internal space. In the following description, two internal spaces in which the light source unit 5 is accommodated are respectively referred to as accommodation spaces 40 (see FIG. 1). In the top plate 2 of each accommodation space 40, three oblong holes 20 are provided in a line along the longitudinal direction (see FIG. 2A). In addition, a coating film made of, for example, a white paint is formed on the surface of the tool body 1.

  In each accommodation space 40, a first fixture 10 and a second fixture 11 are provided. The 1st fixture 10 has the 1st fixing | fixed part 100, the 1st vertical plate part 101, and the 1st hook part (hook part) 102, as shown to FIG. 2A and 2C. The first fixing portion 100 is formed in a shape in which one corner of a rectangle is cut out in a rectangle (see FIG. 2A). The first vertical plate portion 101 has a rectangular shape and is formed to project downward from the center in the longitudinal direction at the inner end edge of the first fixing portion 100 (see FIG. 2C). The first hooking portion 102 has a rectangular shape, and is formed so as to project parallel to the first fixing portion 100 and away from the first fixing portion 100 from the tip end edge (lower end edge) of the first vertical plate portion 101 (See FIGS. 2A and 2C). However, the two first fixtures 10 are mirror images of each other.

  The 2nd fixture 11 has the 2nd fixing | fixed part 110, the 2nd vertical plate part 111, and the 2nd hook part (plate-like part) 112, as shown to FIG. 2A and 2C. The second fixing portion 110, the second vertical plate portion 111, and the second hooking portion 112 are formed in the same shape and the same dimensions as the first fixing portion 100, the first vertical plate portion 101, and the first hooking portion 102, respectively ( 2A and 2C)). That is, the two second fixtures 11 are mirror images of each other, and are also mirror images of the first fixtures 10 provided in the same accommodation space 40 (see FIG. 2A). Moreover, the coating film which consists of a white paint is formed also on the surface of the 1st fixture 10 and the 2nd fixture 11, for example. In addition, it is preferable that both the 1st fixture 10 and the 2nd fixture 11 be integrally formed with the side plate 3 (refer FIG.8 and FIG.10).

  As shown in FIG. 1, the power supply unit 6 includes a power supply device, a housing 60 that houses the power supply device inside, two terminal blocks 61 and the like. The power supply device includes, for example, a rectification circuit and a switching power supply circuit, and is configured to convert an AC voltage / AC current supplied from a commercial power system via one terminal block 61 into a DC voltage / DC current. Is preferred. Further, it is preferable that the power supply apparatus be configured to increase or decrease the direct current voltage and the direct current in accordance with the dimming signal supplied from the outside through the other terminal block 61. Furthermore, the power supply device comprises two output cables 62. Plug connectors 63 are electrically connected to the ends of the output cables 62, respectively. That is, the power supply device is electrically connected to the two light source units 5 via the output cables 62 and the plug connectors 63, respectively.

  The housing 60 is formed of a metal plate in a flat rectangular box shape. In addition, the longitudinal dimension of the housing 60 is approximately equal to the width dimension of the instrument body 1 (the distance between the two opposing side plates 3). The housing 60 is attached to the top 2 by an appropriate method such as screwing. Preferably, the output cable 62 is drawn into the housing space 40 through the hole 20 provided in the top plate 2.

  Next, the light source unit 5 in the present embodiment will be described in detail with reference to FIGS. 3, 4A, 4B, 5 and 6. The light source unit 5 includes a unit body 50, a light source module 51, a cover 52, a stopper 53, a first base 54, a second base 55, a first mounting bracket 56, a second mounting bracket 57, and the like.

  The unit main body 50 is configured, for example, by integrally forming an angular box-like housing portion 500 and a pair of flange portions 501 with a plate material such as an iron plate. The flange portion 501 is preferably formed so as to protrude outward in parallel with the bottom of the housing portion 500 from both ends along the longitudinal direction of the housing portion 500 (see FIGS. 4A and 4B). And the light source module 51 is attached to the bottom of the accommodating part 500 (refer FIG. 3). From both ends along the longitudinal direction of the housing portion 500, projecting pieces that protrude in the opposite direction (inward direction) to the flange portion 501 are provided.

  As shown in FIG. 3, the light source module 51 is configured by mounting a plurality of solid light emitting elements 511 on a mounting substrate 510. The mounting substrate 510 is narrower than the unit main body 50, and is formed in a long rectangular shape. The solid light emitting elements 511 are, for example, white light emitting diodes, and may be mounted at the center of the short side (width direction) on the surface (lower side) of the mounting substrate 510 so as to be equally spaced along the longitudinal direction. preferable. However, the solid light emitting element 511 may be an organic electroluminescent element other than the light emitting diode.

  The cover 52 is formed in a substantially semi-cylindrical shape, and is configured such that flat plate-like projections protrude outward from both ends along the longitudinal direction (see FIGS. 4A, 4B, 5 and 6). . The cover 52 is preferably formed of a translucent material (for example, a polycarbonate resin or the like). The cover 52 is attached to the lower surface side of the housing portion 500 of the unit main body 50 such that the pair of projections is placed on the pair of projecting pieces of the unit main body 50. And the stopper 53 is attached to the both ends of the longitudinal direction of the accommodating part 500, respectively. Each stopper 53 is formed of a synthetic resin material in an L shape as viewed from the longitudinal direction (see FIG. 4B). Each stopper 53 is configured to sandwich and support the projection of the cover 52 with the projection of the unit main body 50 (see FIGS. 3 and 5).

  The first base 54 includes a first pedestal 540, a pair of first side walls 541, a pair of first fixing pieces 542, and a first rear wall 543 (see FIGS. 4A and 4B). The first pedestal 540 is formed in a rectangular flat plate shape. The pair of first side wall portions 541 is formed to project downward from two non-adjacent sides of the first pedestal portion 540. The pair of first fixing pieces 542 are formed so as to protrude outward from the tip of each first side wall portion 541. The first rear wall portion 543 is formed to project downward from one side adjacent to the first side wall portion 541 of the first pedestal portion 540. The first pedestal 540, the pair of first side walls 541, the pair of first fixed pieces 542, and the first rear wall 543 are formed by bending a metal plate such as a steel plate (hot-dip galvanized steel plate). Preferably, they are integrally formed. The first base 54 is attached to one end in the longitudinal direction of the unit body 50, as shown in FIGS. 4A, 4B, and 5. More specifically, the first base 54 is attached to the upper side of the unit body 50 by screwing the first fixing pieces 542 to the flanges 501 of the unit body 50.

  On the other hand, the second base 55 includes a second pedestal 550, a pair of second side walls 551, a pair of second fixing pieces 552, a second rear wall 553, a pair of second front walls 554, and a second pressing. And a portion 555 (see FIGS. 4A, 4B and 6). The second pedestal portion 550 is formed in a rectangular flat plate shape. The pair of second side wall portions 551 is formed to project downward from the two non-adjacent sides of the second pedestal portion 550. The pair of second fixing pieces 552 is formed so as to protrude outward (in a direction away from the second pedestal portion 550) from the tip of each of the second side wall portions 551. The second rear wall 553 is formed to project downward from one side adjacent to the second side wall 551 of the second pedestal 550. The pair of second front wall portions 554 are formed so as to project upward from both ends of one remaining side adjacent to the second side wall portion 551 of the second pedestal portion 550 (see FIG. 6). The second pedestal 550, the pair of second side walls 551, the pair of second fixed pieces 552, the second rear wall 553, the pair of second front walls 554, and the second pressing portion 555 It is preferable that a metal plate such as a galvanized steel sheet is integrally formed by bending.

  Here, the support pieces 556 are integrally formed on the pair of second front wall portions 554, respectively (see FIG. 6). Each support piece 556 is formed in a shape in which one of four corners of the rectangle is obliquely cut off as viewed in the thickness direction. The pair of support pieces 556 are arranged at an interval slightly larger than the width dimension of the second hooking portion 112 of the second fixture 11.

  In addition, the second pressing portion 555 has a pressing piece 5550, a connecting piece 5551, and a rising piece 5552. The rising piece 5552 is formed to rise upward from the center of one remaining side adjacent to the second side wall 551 of the second pedestal 550 (see FIG. 6). The pressing piece 5550 is formed in a rectangular flat plate shape. The connection piece 5551 is formed to connect the tip (upper end) of the rising piece 5552 and the rear end of the pressing piece 5550. The connecting piece 5551 is curved so as to expand in a direction away from the pressing piece 5550 when viewed from the side (see FIG. 4B). That is, the second pressing portion 555 is configured such that the pressing piece 5550 can be displaced in the vertical direction by bending the connecting piece 5551 and the rising piece 5552 in the thickness direction (the direction of the plate thickness). However, it is preferable that the rising pieces 5552 be configured to be easily bent by providing the through holes 5553 (see FIG. 6).

  The second base 55 is attached to the other end in the longitudinal direction of the unit main body 50, as shown in FIGS. 4A, 4B and 6. More specifically, the second base 55 is attached to the upper side of the unit body 50 by screwing the second fixing pieces 552 to the flanges 501 of the unit body 50.

  Here, the receptacle connector 58 is attached to the lower surface of the second pedestal 550 (see FIG. 6). The receptacle connector 58 is electrically connected to a conductor formed on the mounting substrate 510 of the light source module 51 via an electric wire. The receptacle connector 58 is detachably connected to the plug connector 63 of the power supply unit 6. That is, each solid state light emitting element 511 of the light source module 51 emits light (lights up) by the direct current supplied from the power supply unit 6 through the receptacle connector 58. By attaching the receptacle connector 58 to the lower surface of the second pedestal portion 550, it is possible to avoid an inadvertent application of external force to the electric wire electrically connected to the receptacle connector 58.

  The first mounting member 56 has a first mounting piece 560, a first vertical piece 561, a first horizontal piece 562, and a first hooking piece 563 (see FIG. 4B). The first mounting piece 560, the first vertical piece 561, the first horizontal piece 562, and the first hooking piece 563 are integrally formed by punching and bending a plate material made of metal (such as a galvanized steel sheet). Preferably it is formed. The first attachment piece 560 is formed in a rectangular flat plate shape, and is screwed and attached to the upper surface of the first pedestal portion 540 of the first base 54 (see FIGS. 4A and 4B). The first vertical piece 561 is formed in a rectangular flat plate shape, and is configured to stand upward from one end along the longitudinal direction of the first attachment piece 560. The first horizontal piece 562 is formed in a rectangular flat plate shape, and is configured to project from the tip (upper end) of the first vertical piece 561 in parallel with the first attachment piece 560 and in the opposite direction to the first attachment piece 560. Ru.

  The first hooking piece 563 is formed to project downward from the tip of the first horizontal piece 562, as shown in FIGS. 4B and 5. In addition, the first hooking piece 563 is cut out in a rectangular shape except for both ends in the longitudinal direction. Furthermore, two protrusions 564 are provided at positions near the longitudinal center of the rectangular notch 5630 of the first hooking piece 563 (see FIG. 5). These two protrusions 564 are formed into a triangular shape by punching. In addition, the apex (tip) of each protrusion 564 is sharper than the other part of the notch 5630, and protrudes beyond (below) the tip (lower end) of the notch 5630 (see FIG. 5). ).

  The second mounting member 57 includes a second mounting piece 570, a second vertical piece 571, a second wide piece 572 and a second hooking piece (first pressing portion) 573 (see FIGS. 4A, 4B and 6). The second mounting piece 570, the second vertical piece 571, the second wide piece 572 and the second hooking piece 573 are integrally formed by punching or bending a metal plate material (such as a stainless steel plate). Is preferred. The second attachment piece 570 is formed in a rectangular flat plate shape, and is screwed and attached to the lower surface of the second pedestal portion 550 of the second base 55 (see FIGS. 4A and 4B). The second vertical piece 571 is formed in a rectangular flat plate shape, and is configured to stand upward from one end along the longitudinal direction of the second attachment piece 570. The second wide piece 572 is formed in a rectangular flat shape having a size in the longitudinal direction larger than that of the second vertical piece 571 and is formed so as to project upward from the tip of the second vertical piece 571 (see FIG. 6). The second hooking piece 573 is a rectangular flat plate whose dimension in the longitudinal direction is larger than the second vertical piece 571 and smaller than the second wide piece 572 and protrudes obliquely downward from the tip of the second vertical piece 571 (See FIG. 4B). The tip end (lower end) of the second hooking piece 573 is located above the pressing piece 5550 of the second pressing portion 555.

  Next, with reference to FIGS. 7-10, the installation procedure of the lighting fixture of this embodiment, especially the attachment procedure of the light source unit 5 to the fixture main body 1 is demonstrated in detail.

  First, a worker who performs construction work embeds and arranges the instrument main body 1 attached with the power supply unit 6 in the system ceiling. However, about the attachment method of the instrument main body 1 to a system ceiling, since it is conventionally well-known, detailed description is abbreviate | omitted.

  Subsequently, the worker attaches the first mounting bracket 56 of the light source unit 5 to the first mounting fixture 10 of the tool main body 1. First, as shown in FIG. 7A and FIG. 8, the worker places the tip of the notch 5630 of the first hook piece 563 (the apex of the protrusion 564) on the first hook portion 102 of the first fixture 10. I put it on and hang it. Then, the worker rotates the light source unit 5 so as to lift the light source unit 5 with the tip of the notch 5630 of the first hooking piece 563 hooked on the first hooking portion 102 (apex of the projection 564) as a fulcrum. Here, as shown in FIG. 8, the distance D1 between the first hook portion 102 and the top plate 2 of the tool body 1 is the distance H1 from the tip of the projection 564 of the first hook piece 563 to the first horizontal piece 562 Is also shortened (D1 <H1). Therefore, when the worker rotates the light source unit 5 upward, the first horizontal piece 562 of the first mounting member 56 abuts against the lower surface of the top plate 2, so the first hooking piece 563 turns the first hooking portion 102 downward. It approaches the 1st vertical plate part 101 of the 1st fixture 10, making it bend. At this time, the first hooking piece 563 moves while peeling off the coating film formed on the surface of the first hooking portion 102 by the two protrusions 564 (the apexes thereof) (see FIGS. 8 and 9). Then, when the coating film is peeled off, the metal of the base of the first hook portion 102 and the first hook piece 563 come into contact with each other to electrically conduct. That is, in the lighting apparatus of the present embodiment, the metal portion (first mounting bracket 56) of the light source unit 5 and the metal portion (first mounting tool 10) of the tool main body 1 in the process of attaching the light source unit 5 to the tool main body 1. Can be automatically connected. Therefore, since the lighting fixture of the present embodiment does not require the work of electrically connecting the metal part of the light source unit 5 and the metal part of the tool main body 1 with a wire, the workability can be improved. .

  Further, the worker rotates the light source unit 5 upward to attach the second mounting bracket 57 to the second mounting fixture 11 of the instrument body 1. That is, the second hooking piece 573 of the second mounting member 57 is positioned in the horizontal direction by the pair of support pieces 556 as the light source unit 5 rotates upward, and the second hooking part 112 of the second mounting member 11 It is pushed by the tip and it bends. Soon, the second hooking piece 573 passes over the tip of the second hooking portion 112 and hooks on the second hooking portion 112 (see FIG. 10). At this time, in the second pressing portion 555, the pressing piece 5550 is pressed from above by the second hooking portion 112 of the second fixture 11. Therefore, the second pressing portion 555 presses the lower surface (second surface) of the second hooking portion 112 from the bottom to the top by the elastic force of the connecting piece 5551 and the rising piece 5552. Furthermore, the second hooking piece 573 presses the upper surface (first surface) of the second hooking portion 112 from the top to the bottom by elastic force. As a result, the second hooking portion 112 holds the second mounting member 57 and the second pressing portion 555 (holding member) by being pressed by the second hooking piece 573 and the second pressing portion 555 from above and below. (See Figure 10). The operator can attach the light source unit 5 to the instrument body 1 by the above-described procedure.

  On the other hand, when the light source unit 5 is removed from the fixture body 1, the operator moves the both ends of the second wide piece 572 of the second mounting member 57 by hand and bends the second vertical piece 571 away from the support piece 556 As a result, the second hooking portion 573 and the second hooking portion 112 are released. Furthermore, the worker can remove the light source unit 5 from the instrument main body 1 by rotating the light source unit 5 downward with the second hooking portion 573 and the second hooking portion 112 released.

  As described above, the lighting fixture of the present embodiment includes the fixture body 1 and the light source unit 5 removably mounted on the fixture body 1. The instrument body 1 includes a plate-like base (top plate 2), a hooking portion (first hooking portion 102) provided on the base (top plate 2), and a holding portion (second hooking portion 112 of the second fixture 11). And. The light source unit 5 has a unit main body 50 and a hooking piece (first hooking piece 563) which protrudes from one end of the unit main body 50 and is hooked to the hooking portion (first hooking portion 102). Furthermore, the light source unit 5 has a holding body (a second mounting member 57 and a second pressing portion 555) which is provided at the other end of the unit main body 50 and held by the holding portion (the second hook portion 112). The holding portion (second hooking portion 112) is formed in a plate shape. The holder (the second mounting member 57 and the second pressing portion 555) has a first pressing portion (second hooking piece 573) and a second pressing portion 555. The holding body (the second mounting bracket 57 and the second pressing portion 555) presses the first surface (upper surface) of the holding portion (the second hooking portion 112) with the first pressing portion (the second hooking piece 573), and The second surface of the holding portion (second hooking portion 112) is configured to be pressed in the opposite direction to the first pressing portion (second hooking piece 573).

  As described above, the lighting apparatus of the present embodiment causes the holding section (second hooking section 112) of the tool main body 1 to hold the holding body (second mounting bracket 57 and second pressing section 555) of the light source unit 5. Configured as. Therefore, compared with the conventional example of patent document 1, the lighting fixture of this embodiment can aim at the improvement of workability | operativity at the time of attaching the light source unit 5 to the instrument main body 1. FIG.

  Moreover, in the lighting fixture of the present embodiment, the holding portion (second hooking portion 112) is preferably configured to face the surface of the base (top plate 2) with the first surface. It is preferable that the first pressing portion (second hooking piece 573) and the second pressing portion 555 be formed of a material having elasticity and be configured to press the first surface and the second surface by elasticity. Preferably, the holding body (the second mounting fitting 57 and the second pressing portion 555) has a pair of support pieces 556. The pair of support pieces 556 may support the holding portion so as to sandwich the holding portion from the direction (horizontal direction) intersecting the pressing direction (vertical direction) of the first pressing portion (second hooking piece 573) and the second pressing portion 555 preferable.

  If the lighting fixture of the present embodiment is configured as described above, the workability at the time of attaching the light source unit 5 to the fixture main body 1 can be further improved.

  Furthermore, in the lighting fixture of the present embodiment, it is preferable that the first pressing portion (the second hooking piece 573) and the second pressing portion 555 are each configured to be bendable in the direction of the plate thickness by a plate having elasticity. . The holding portion (second hooking portion 112) rotates the light source unit 5 with the hooking piece (first hooking piece 563) hooked on the hooking portion (first hooking portion 102) as a fulcrum, thereby the first pressing portion (second hooking portion 112). It is preferable to be configured to ride over while bending the second hooking piece 573). Furthermore, the holding portion (second hooking portion 112) is preferably configured to be pressed by the first pressing portion (second hooking piece 573) and the second pressing portion 555.

  If the lighting fixture of this embodiment is configured as described above, the light source unit 5 can be attached to the fixture main body 1 with a simple operation of rotating the light source unit 5.

1 Instrument body 2 Top plate (base)
5 light source unit 11 second fixture (holding portion)
50 Unit body 57 2nd mounting bracket (holding body)
102 1st hook part (hook part)
112 Second hook part (plate-like part)
555 Second pressing part (holding body)
556 Support piece (supporter)
563 1st hook piece (hook piece)
573 Second hooking piece (first pressing part)

Claims (2)

An instrument body, and a light source unit removably attached to the instrument body,
The device body has a plate-like base, and a hook and a holder provided on the base,
The light source unit is provided at a unit body, a hook piece projecting from one end of the unit body and hooked on the hook, and a holding provided at the other end of the unit body and held by the holding portion Have a body and
The holding portion is formed in a plate shape.
The holding body has a first pressing portion and a second pressing portion, the first surface of the holding portion is pressed by the first pressing portion, and the second surface of the holding portion is the first pressing portion. Configured to press in the opposite direction ,
The holding portion is configured to cause the first surface to face the surface of the base,
The first pressing portion and the second pressing portion are formed of a material having elasticity, and are configured to press the first surface and the second surface by the elasticity, respectively.
It said holding body, luminaire, characterized in Rukoto to have a pair of support pieces for supporting so as to sandwich the holding portion in the direction intersecting the pressing direction of the first pressing portion and the second pressing part. The first pressing portion and the second pressing portion are each configured to be bendable in a thickness direction by a plate having elasticity.
The first pressing portion is formed to be able to be bent with respect to the holding body by protruding in a diagonal direction from the tip of the holding body.
The holding unit rotates the light source unit around the hooking piece that is hooked on the hooking part as a fulcrum, and thus overturns while bending the first pressing part, the first pressing part engages with the holding part The lighting device according to claim 1, wherein the lighting device is configured to be stopped and pressed by the first pressing portion and the second pressing portion .

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