Lighting device

Abstract

To provide a lighting device capable of being replaced easily during renewal.SOLUTION: A lighting device comprises: an instrument that has an elongated shape, and is installed on a part to be mounted; a first end plate that covers a part of the longitudinal end part of the instrument; and a second end plate that covers the other part of the end part, and has an adjustment unit positioned outside with respect to the end part in a longitudinal direction, where a longitudinal dimension is adjusted by the adjustment unit.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present disclosure relates to a lighting device, and more particularly to a lighting device attached to a bar member which is an attachment part.

Background Art

[0002] Bar members to which lighting devices are attached have different specifications such as cross-sectional shapes or dimensions. Therefore, when renewing the bar member, replacement lighting fixtures are designed and manufactured according to individual specifications adapted to bar members of different specifications and provided.

[0003] If lighting device bodies with different dimensions are manufactured according to the dimensions of the bar member and a plurality of types of light source modules attachable to lighting device bodies with different dimensions are prepared, the manufacturing cost of the lighting device increases. On the other hand, if the same-sized light source modules are to be commonly used for lighting device bodies with different dimensions, a gap is generated between the end plate at the longitudinal end of the lighting device body and the light source module, and the design property deteriorates due to the change in the dimension of the gap.

[0004] Therefore, for example, Patent Document 1 discloses a lighting device including an end plate having two first protruding portions and second protruding portions with different dimensions in the vertical direction. The lighting device of Patent Document 1 enables attachment of the same-sized light source module even when the dimensions of the lighting device body are different by using the end plate in either the upper or lower direction.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] In the configuration of Patent Document 1, the applicable dimensions are limited to only the dimensions of either the first protruding portion or the second protruding portion, lacking versatility. Thus, in a lighting device, when renewing equipment such as a ceiling, it is necessary to match the dimensions of the replacement lighting device with those of the existing lighting device, making the correspondence complicated.

[0007] An object of the present disclosure is to provide a lighting device that can be easily replaced during renewal.

Means for Solving the Problems

[0008] The lighting device according to the present disclosure has an elongated shape and includes a fixture installed on a mounting portion, a first end plate covering a part of an end portion in the longitudinal direction of the fixture, and a second end plate covering the other part of the end portion and having an adjustment portion disposed outside the end portion in the longitudinal direction. The longitudinal dimension is adjusted by the adjustment portion.

Effects of the Invention

[0009] According to the lighting device of the present disclosure, since the longitudinal dimension of the lighting fixture is adjusted by the adjustment portion, it is possible to cope with the replacement of existing lighting devices with different overall lengths by simply preparing adjustment portions with different dimensions.

Brief Description of the Drawings

[0010]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15

Figure 16

Figure 17

Figure 18

Figure 19

Figure 20

Figure 21

Figure 22

Figure 23

Figure 24

Figure 25

Figure 26

Figure 27

Figure 28

Figure 29

Figure 30

Mode for Carrying Out the Invention

[0011] Hereinafter, embodiments of the lighting device according to the present disclosure will be described with reference to the drawings. The present disclosure is not limited to the following embodiments, and various modifications can be made without departing from the gist of the present disclosure. Further, the present disclosure includes all combinations of configurations that can be combined among the configurations shown in the following respective embodiments. In particular, the combination of components is not limited to only the combinations in each embodiment, and the components described in one embodiment can be applied to another embodiment. Also, the lighting device shown in the drawings is an example of the lighting device of the present disclosure, and the lighting device of the present disclosure is not limited by the lighting device shown in the drawings. Further, in the following description, terms indicating directions (for example, "up", "down", "right", "left", "front", "rear", etc.) are used as appropriate for ease of understanding, but these are for the purpose of explanation and do not limit the present disclosure. Also, in each figure, those with the same reference numerals are the same or corresponding ones, which is common throughout the entire specification. Note that in each drawing, the relative dimensional relationships or shapes of the respective components may be different from the actual ones.

[0012] Embodiment 1. <Lighting device 1> FIG. 1 is a perspective view of the lighting device 1 according to Embodiment 1 of the present disclosure viewed from below. FIG. 2 is a perspective view of the lighting device 1 according to Embodiment 1 of the present disclosure viewed from above. FIG. 3 is an exploded perspective view of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 4 is a perspective view of the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure viewed from the outside of the lighting fixture 2. FIG. 5 is a perspective view of the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure viewed from the inside of the lighting fixture 2.

[0013] As shown in FIGS. 1 to 5, the lighting device 1 has an elongated shape and includes a luminaire 3 and a lighting fixture 2 to which the luminaire 3 is attached. The lighting device 1 is installed and used on an attachment portion such as a suspended ceiling. In the following description, the longitudinal direction of the lighting device 1 is referred to as the X direction, and the short transverse direction of the lighting device 1 is referred to as the Y direction. Also, the ceiling to which the lighting device 1 is attached is located above the lighting device 1. Further, the lower side of the lighting device 1 is referred to as the irradiation region side, and the vertical direction of the lighting device 1 is referred to as the Z direction.

[0014] <luminaire 3> The luminaire 3 has a light source such as, for example, an LED, a semiconductor laser, an organic EL, or an inorganic EL. The luminaire 3 is detachably attached to the lighting fixture 2.

[0015] <lighting fixture 2> The lighting fixture 2 includes a fixture body 21, a first end plate 22, a second end plate 23 having an overhanging portion 26 disposed on the outside, and a light-shielding portion 24. The second end plate 23 is an example of an end plate. Also, the overhanging portion 26 is an example of an adjustment portion. The lighting fixture 2 has a substantially trapezoidal cross section as a whole. The lighting fixture 2 may have various shapes, for example, a substantially rectangular cross section. The lighting fixture 2 is attached to a bar member 9 which is a construction part such as a suspended ceiling by a holding mechanism 50.

[0016] <fixture body 21> The fixture body 21 is an elongated plate-like portion extending along the X direction which is the longitudinal direction. The fixture body 21 is disposed between adjacent bar members 9 such that the longitudinal direction coincides with the extending direction of the bar member 9. The dimension in the Y direction which is the short transverse direction of the fixture body 21 is substantially the same as the interval between adjacent bar members 9. A light source unit 4 is accommodated in the fixture body 21. The fixture body 21 is fixed to each of the light-shielding portion 24 and the first end plate 22 by caulking, screwing, riveting, or welding.

[0017] The appliance body 21 includes a top plate portion 211, side wall portions 212, inclined portions 213, and connecting springs 214. The top plate portion 211 is a plate-shaped portion extending along the X direction and is located at the middle portion between adjacent bar members 9. A pair of slits 2111 are formed in the top plate portion 211 along the X direction. The pair of slits 2111 are, for example, groove-shaped openings facing each other. The configuration of the pair of slits 2111 is not limited to this, and for example, they may penetrate in the short-side direction. The top plate portion 211 is provided with a region where a terminal block (not shown) is attached and insertion holes 2112 into which electric wires (not shown) are inserted. Electric wires connecting an external power source and a power supply unit (not shown) are drawn into the lighting fixture 2 through the insertion holes 2112.

[0018] The side wall portions 212 are a pair of plate-shaped portions extending from both ends in the X direction, which is the longitudinal direction of the top plate portion 211, along the Z direction toward the irradiation region side. The side wall portions 212 form an accommodation space S for accommodating the lamp unit 3 between the side wall portions 212 and the top plate portion 211.

[0019] The inclined portions 213 are a pair of plate-shaped portions extending from the lower ends of the side wall portions 212. The inclined portions 213 are inclined toward the irradiation region side and outward in the Y direction, which is the short-side direction. A reflection film for reflecting light is provided on the inclined portions 213. By providing the reflection film on the inclined portions 213, a part of the light irradiated from the lamp unit 3 is reflected toward the irradiation region side.

[0020] The connecting springs 214 are leaf springs formed by bending a plate-shaped member made of metal. The connecting springs 214 are attached in a pair along the X direction to the lower surface of the top plate portion 211. The connecting springs 214 are provided inside the slits 2111 of the top plate portion 211 in the X direction. A lamp unit side connector (not shown) of the lamp unit 3 is hooked on the connecting springs 214. The lamp unit 3 is fixed to the lighting fixture 2 by the connecting springs 214.

[0021] <Eye shield portion 24> The light-shielding part 24 extends along the X direction which is the longitudinal direction of the instrument body 21, and covers both ends in the Y direction which is the lateral direction of the instrument body 21. The light-shielding part 24 is, for example, a plate-shaped member bent in an L shape in a cross-sectional view. The light-shielding part 24 is fixed to the instrument body 21 by caulking, screwing, riveting, welding, or the like.

[0022] <First end plate 22> The first end plate 22 covers the upper side of the end of the lighting fixture 2 in the X direction. The first end plate 22 is fixed to the instrument body 21 by caulking, screwing, riveting, welding, or the like.

[0023] The first end plate 22 has a first end plate main body 221, an end plate side part 222, and a flange part 223. The first end plate main body 221 is a plate-shaped part extending along the Y direction.

[0024] The end plate side part 222 is a part extending from both ends of the first end plate main body 221 in the Y direction along the X direction toward the instrument body 21 side. A hole for inserting the fixing member 511 is formed in the end plate side part 222.

[0025] The flange part 223 is a part extending from both ends of the first end plate main body 221 in the Z direction along the X direction toward the instrument body 21 side. The second end plate 23 is fixed to the lower flange part 223.

[0026] <Second end plate 23> The second end plate 23 covers the lower side of the end of the lighting fixture 2 in the X direction. The second end plate 23 is attached to the lower part of the first end plate 22.

[0027] The second end plate 23 has a second end plate main body 231, an upper flange part 232, and an overhanging part 26. The second end plate main body 231 is located below the first end plate main body 221 and is a plate-shaped part extending along the Y direction. The second end plate main body 231 is arranged such that its plate surface is located on the same plane as the plate surface of the first end plate main body 221.

[0028] The upper flange portion 232 is a portion that is continuous from the upper end of the second end plate body 231 in the Y direction, which is the short side direction of the instrument body 21. Claw portions 235 are formed at both ends of the upper flange portion 232 in the Y direction. The upper flange portion 232 is bent at the bent portion 232a at the upper end of the second end plate body 231 and extends toward the instrument body 21 side. The upper flange portion 232 is attached to the lower part of the flange portion 223 of the first end plate 22.

[0029] The overhanging portion 26 is a long plate-shaped portion along the Y direction, which is the short side direction of the instrument body 21. The overhanging portion 26 is continuous from the lower end of the second end plate body 231 and protrudes to the side opposite to the instrument body 21, that is, to the outside of the instrument body 21. That is, the overhanging portion 26 is disposed on the outside of the second end plate 23. The overhanging portion 26 extends in a direction away from the instrument body 21. The overhanging portion 26 extends in a direction opposite to the upper flange portion 232. The overhanging portion 26 is an example of an adjustment portion.

[0030] A rising portion 233 is formed at the distal end 26a of the overhanging portion 26 from the second end plate body 231. The rising portion 233 is a portion that is continuous from the distal end 26a of the overhanging portion 26 and extends upward along the second end plate body 231. The rising portion 233 is a surface that abuts and is joined to an equipment plate adjacent to the lighting device 1 or a ceiling member orthogonal to the bar member 9.

[0031] The overhanging portion 26 protrudes to the outside of the instrument body 21 by an overhanging dimension Lb. The overhanging dimension Lb is the distance from the second end plate body 231 to the rising portion 233 or to the distal end 26a of the overhanging portion 26 from the second end plate body 231. When the lighting device 1 is attached to the bar member 9, both ends of the overhanging portion 26 in the Y direction are installed on the upper part of the bar member 9.

[0032] The overhanging dimension Lb is a dimension for corresponding to the longitudinal dimension of the existing lighting device 1. By having the overhanging dimension Lb, the overhanging portion 26 adjusts the length dimension of the lighting fixture 2, that is, the overall length.

[0033] The second end plate 23 is manufactured, stocked, and prepared as a plurality of types of second end plates 23 with different overhanging dimensions Lb of the overhanging portion 26. That is, the second end plate 23 has individually selectable specifications. By selecting and attaching the second end plate 23 with the best overhanging dimension Lb from among the plurality of types of second end plates 23, the lighting device 1 is adjusted to correspond to existing lighting devices with different longitudinal dimensions.

[0034] Note that the overhanging portion 26 may be provided at both longitudinal ends, or may be provided at only one of them. Also, the overhanging dimensions Lb of the overhanging portion 26 may be the same at both ends, or may be different from each other. By manufacturing a plurality of types of second end plates 23 with different overhanging dimensions Lb and managing the inventory, it is possible to prepare so that the best second end plate 23 corresponding to different existing lighting devices can be supplied individually. And since the adjustment of the longitudinal dimension of the lighting fixture 2 is easy, the replacement lighting device 1 can be easily adjusted to the dimensions optimal for the specifications of the renewal work.

[0035] <Claw portion 235> FIG. 6 is a perspective view for explaining the attachment structure of the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 7 is a partial perspective view of the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 8 is a perspective view showing a state in which the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure is attached. FIG. 9 is a partial perspective view showing a state in which the second end plate 23 of the lighting device 1 according to Embodiment 1 of the present disclosure is attached.

[0036] As shown in FIGS. 6 to 9, a claw portion 235 is formed on the second end plate 23, and an opening 225 is formed on the first end plate 22. The claw portion 235 of the second end plate 23 is inserted into the opening 225 of the first end plate 22. By inserting the claw portion 235 of the second end plate 23 into the opening 225 of the first end plate 22, the second end plate 23 is attached to the first end plate 22.

[0037] The claw portion 235 is provided on the upper flange portion 232 of the second end plate 23. The claw portions 235 are provided at both ends of the upper flange portion 232 in the X direction. The claw portion 235 is formed by an L-shaped cut provided from the bent portion 232a to the open end 232b of the upper flange portion 232. The base end 235a of the claw portion 235 is continuous with the open end 232b of the upper flange portion 232 and is located on the same plane. The claw portion 235 extends from the base end 235a in the direction of the second end plate body 231 and is inclined upward from the base end 235a to the tip 235b. That is, the claw portion 235 is inclined at an inclination angle α such that the tip 235b is located above the bent portion 232a.

[0038] The opening 225 is formed in the lower flange portion 223 of the flange portion 223 of the first end plate 22. The opening 225 is provided at a position corresponding to the claw portion 235. The opening 225 is a rectangular hole disposed at the end of the flange portion 223 on the side of the first end plate body 221. The dimension of the opening 225 in the Y direction is slightly larger than the dimension of the claw portion 235 in the Y direction. The dimension of the opening 225 in the X direction may be equivalent to the dimension of the claw portion 235 in the X direction.

[0039] When the tip 235b of the claw portion 235 is inserted into the opening 225 of the first end plate 22, the second end plate 23 is attached to the first end plate 22. In this state, the tip 235b of the claw portion 235 catches on the inner surface of the first end plate body 221, and the claw portion 235 is fitted into the opening 225. Therefore, the second end plate 23 can be attached without coming off from the first end plate 22.

[0040] <Attachment of the second end plate> In the attachment of the second end plate 23 to the first end plate 22, first, with the tip 235b of the claw portion 235 pushed down and elastically deformed by a finger or the like, the claw portion 235 is inserted into the opening 225 of the first end plate 22. Next, with the claw portion 235 inserted into the opening 225 of the first end plate 22, the second end plate body 231 is moved and pushed in the direction of arrow D. When the second end plate body 231 is pushed in until it is located on the same plane as the first end plate body 221, the claw portion 235 is inserted into the opening 225 up to the base end 235a. When the base end 235a of the claw portion 235 is inserted into the opening 225, the claw portion 235 returns to its original shape due to the restoring force. When the claw portion 235 returns to its original state, the tip 235b of the claw portion 235 contacts the inner surface of the first end plate body 221, and the attachment of the second end plate 23 to the first end plate 22 is completed.

[0041] In this way, the second end plate 23 can be easily attached to the first end plate 22 without using tools by operating the claw portion 235. Also, in the removal of the second end plate 23, it can be easily removed from the first end plate 22 by operating the claw portion 235.

[0042] Note that since the second end plate 23 has an individual specification, a fixing structure using the claw portion 235 is adopted to facilitate attachment. For the configurations other than the second end plate 23, since they have a common specification, they may be interconnected using methods such as caulking, screwing, riveting, welding, etc.

[0043] <Holding mechanism 50> FIG. 10 is a partial perspective view for explaining the holding mechanism 50 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 11 is another partial perspective view for explaining the holding mechanism 50 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 12 is a partial perspective view of the attachment state of the holding mechanism 50 of the lighting device 1 according to Embodiment 1 of the present disclosure as viewed from the end face side of the instrument body 21. FIG. 13 is another partial perspective view of the attachment state of the holding mechanism 50 of the lighting device 1 according to Embodiment 1 of the present disclosure as viewed from the end face side of the instrument body 21.

[0044] As shown in FIGS. 10 to 13, the holding mechanism 50 is a member for attaching the lighting fixture 2 to a bar member 9 provided on the attachment portion. The holding mechanisms 50 are provided in a total of four at both ends in the X direction, which is the longitudinal direction of the lighting fixture 2, and at both ends in the Y direction, which is the short-side direction. The holding mechanism 50 is adjusted according to the specifications of the bar member 9 such as a CT clip, a T hanger, a T-bar suspension, or a T-bar receiving channel at the construction site of the lighting device 1, and the lighting fixture 2 is attached thereto. The holding mechanism 50 includes a holding portion 51, an elastic portion 52, a movable portion 53, and a restricting portion 54.

[0045] <Holding portion 51> The holding portion 51 is attached to the bar member 9. The lighting fixture 2 is fixed to the holding portion 51 by a fixing member 511 such as a stepped screw. The lighting fixture 2 is attached to the holding portion 51 so as to be movable in the Z direction, which is the vertical direction. The holding portion 51 enables the attachment of the lighting fixture 2 even when the height changes according to the specifications of the bar member 9.

[0046] <Elastic portion 52> The elastic portion 52 is a portion that presses the bar member 9 from the inside to the outside in an elastically deformed state. The elastic portion 52 is elastically deformed by being pushed downward by the movable portion 53. The elastic portion 52 restricts the movement of the lighting fixture 2 in the Y direction.

[0047] <Movable portion> The movable portion 53 is disposed between the fixture main body 21 and the first end plate 22. The movable portion 53 has an elongated plate shape extending in the Y direction. The movable portion 53 is attached so as to be movable in the Z direction. The movable portion 53 is fixed to the fixture main body 21 in a state of being pulled downward when the lighting fixture 2 is attached to the bar member 9.

[0048] The movable part 53 has, at both ends in the Y direction, acting parts 532 in the X direction that extend toward the instrument main body 21 side. The acting part 532 is a part that generates a force to elastically deform the elastic part 52. When the movable part 53 is pulled downward, that is, in the direction of arrow E, the acting part 532 generates a force on the elastic part 52, causing the elastic part 52 to elastically deform and the elastic part 52 to move in the direction of arrow F. The elastic part 52 that has moved in the direction of arrow F abuts against the side surface of the bar member 9 at the tip 235b, generating a pressing force on the bar member 9. Thereby, the movement of the lighting fixture 2 held by the holding mechanism 50 in the Y direction is restricted.

[0049] The movable part 53 overlaps with the first end plate main body 221 of the first end plate 22. When the movable part 53 is pulled downward, a part of the acting part 532 overlaps with a part of the second end plate main body 231 of the second end plate 23. Thereby, it is possible to prevent the second end plate 23 from moving away from the instrument main body 21 and suppress the release of the engagement with the first end plate 22.

[0050] The second end plate main body 231 forms a gap G with the first end plate main body 221 at the end in the Y direction. When the movable part 53 is pulled downward, the gap G between the first end plate 22 and the second end plate 23 is closed by the movable part 53. Thereby, it is possible to prevent the deterioration of the design property of the lighting device 1 due to the formation of the gap G on the end face part of the lighting device 1.

[0051] <Handling example of component group> FIG. 14 is a front view of Specification Example 1 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 15 is a front view of Specification Example 2 of the lighting device 1 according to Embodiment 1 of the present disclosure. FIG. 16 is a front view of Specification Example 3 of the lighting device 1 according to Embodiment 1 of the present disclosure.

[0052] As shown in FIGS. 14 to 16, the lighting device 1 is composed of a component group A with a common specification and a component group B with an individual specification. Specification Examples 1 to 3 are lighting devices 1 that are replaced with existing lighting devices. The component group A includes, for example, an appliance body 21, a light-shielding portion 24, a first end plate 22, and a holding mechanism 50. The component group A with a common specification has a dimension in the X direction of the appliance dimension Lc. The component group B is a plurality of types, for example, the second end plates 23 of Specifications Ba to Bc. The second end plates 23 of Specifications Ba to Bc each have an overhanging portion 26 with a different overhanging dimension Ld.

[0053] The lighting device 1 of Specification Example A1 is a lighting device 1 used for replacement when the total length LA1 of the existing lighting device is 1250 mm. The lighting device 1 of Specification Example A1 is composed of the component group A and Specification a of the component group B. The component group A has the appliance dimension Lc which is a common dimension, and Specification a of the component group B has the overhanging dimension Ld. The lighting device 1 of Specification Example 1 has a total length LA1 of 1250 mm by the component group A and Specification a of the component group B.

[0054] The lighting device 1 of Specification Example A2 is a lighting device 1 used for replacement when the total length LA2 of the existing lighting device is 1280 mm. The lighting device 1 of Specification Example 2 is composed of the component group A and Specification b of the component group B. The component group A has the appliance dimension Lc which is a common dimension, and Specification b of the component group B has the overhanging dimension Ld + 15 mm. The lighting device 1 of Specification Example A2 has a total length LA2 of 1280 mm by the component group A and Specification b of the component group B.

[0055] The lighting device 1 of Specification Example A3 is a lighting device 1 used for replacement when the total length LA3 of the existing lighting device is 1310 mm. The lighting device 1 of Specification Example A3 is composed of the component group A and Specification c of the component group B. The component group A has the appliance dimension Lc which is a common dimension, and Specification c of the component group B has the overhanging dimension Lea + 30 mm. The lighting device 1 of Specification Example A3 has a total length LA3 of 1310 mm by the component group A and Specification b of the component group B.

[0056] In this way, by combining the component group A with the common specification and the component group B with the individual specification, it is possible to install the lighting device 1 having the overall length according to the overall length of the existing lighting device.

[0057] FIG. 17 is a flowchart of the replacement method M1 of the lighting device 1 according to Embodiment 1 of the present disclosure. In FIG. 17, the replacement method M1 when replacing the existing lighting device with the lighting device 1 and installing it is shown. As shown in FIG. 17, in the replacement method M1 of the lighting device 1, first, in step S01, the component group A with the common specification is produced and stocked in the required number based on the plan, and the process proceeds to step S02. The required number in this case is calculated based on, for example, the plan of the total annual production number of the lighting device 1.

[0058] Next, in step S02, based on the specification information of the existing lighting device 1, any one of the component groups B with individual specifications corresponding to the specification information is produced in the required number based on the order information, and the process proceeds to step S03. That is, for the lighting device 1 of the specification example A1, since the overall length LA of the existing lighting device is 1250 mm, based on the specification information, as the specification a of the component group B, the required number of the second end plates 23 with the overhanging dimension Lb is produced.

[0059] Next, in step S03, for the stocked component group A and the produced component group B, the ordered numbers are supplied separately, and the process proceeds to step S04. The supply destinations of the component group A and the component group B are, for example, the construction contractor who installs the lighting device 1, or the department that performs the installation, or the site where the lighting device 1 is installed.

[0060] Next, in step S04, the separately supplied component group A and component group B are assembled, and the installation of the lighting device 1 is completed. In this way, by making the component group B an individual specification that can be appropriately selected, only the component group B is produced based on the specification information (order information), and for the other component group A, a method of managing the members so that they are produced and stocked in advance can be adopted. For this reason, the lead time related to the supply of the members is shortened, and the packaging volume of the component group A can be reduced.

[0061] Note that step S01 and step S02 may be performed in parallel, or step S01 may be performed after step S02.

[0062] FIG. 18 is a flowchart of a replacement method M2 of the lighting device 1 according to Embodiment 1 of the present disclosure. In FIG. 18, similar to FIG. 17, a replacement method M2 when replacing an existing lighting device with the lighting device 1 and installing it is shown. As shown in FIG. 18, in the replacement method M2 of the lighting device 1, steps S01 and S02 are the same as those in the replacement method M1.

[0063] Next, the process proceeds to step S23. In step S23, based on the specification information (order information), the required quantities of the stocked component group A and the produced component group B are combined and supplied at the factory or the logistics base, and then the process proceeds to step S24. That is, the component group A and the component group B are pre-combined and assembled at a location other than the site where the lighting device 1 is installed.

[0064] Next, in step S24, the combined component group A and component group B are installed at the location where the existing lighting device 1 was installed, and the installation of the lighting device 1 is completed. In the replacement method M2, a method of managing the members can be adopted such that the component group A is pre-produced and stocked, and is shipped toward the construction site in a state of being combined with the produced component group B at the factory. Therefore, the work at the construction site where the lighting device 1 is installed can be made simpler.

[0065] According to the lighting device 1 according to the first embodiment described above, the overhanging portion 26 is disposed outside the second end plate 23 that covers the end portion in the X direction, which is the longitudinal direction of the lighting fixture 2, and the overhanging portion 26 adjusts the dimension of the lighting fixture 2 in the longitudinal direction. Therefore, it is possible to cope with the replacement of existing lighting devices having different overall lengths only by preparing overhanging portions 26 having different dimensions. As a result, it is not necessary to stock lighting devices 1 for replacement having different overall lengths, which contributes to shortening the delivery period and improving the efficiency of inventory management, reducing the inventory risk, improving the logistics efficiency, and reducing the packaging volume. In addition, the efficiency of design is improved by standardizing and commonizing the design, and the scope to which the renewal construction can be applied can be expanded by being able to cope with various conditions.

[0066] Further, the overhanging portion 26 is provided so as to project outward from the second end plate 23 and functions as an adjustment portion. Therefore, it is possible to cope with the replacement of existing lighting devices having different overall lengths by using common members other than the second end plate 23 only by preparing the second end plates 23.

[0067] In addition, a pair of overhanging portions 26 are provided at both ends in the X direction, which is the longitudinal direction. Since the overhanging dimensions of the overhanging portions 26 are the same at both ends, the workability is improved, and the scope of application of the renewal construction can be expanded by being able to cope with various conditions.

[0068] In addition, a pair of overhanging portions 26 are provided at both ends in the X direction, which is the longitudinal direction. Since the overhanging dimensions of the overhanging portions 26 are different at both ends, it is possible to cope with the dimensional difference between the lighting device 1 for replacement and the existing lighting device to be removed by using the stocked overhanging portions 26. As a result, the delivery period response ability and flexibility from order placement and order reception to delivery can be improved, and the logistics efficiency can be improved.

[0069] In addition, since the instrument body 21 and the first end plate 22 have the same specifications, and the second end plate 23 has individual specifications with different overhanging dimensions of the overhanging portion 26, it is only necessary to manufacture multiple types of the second end plate 23 and manage the inventory, and supply members corresponding to different existing lighting devices individually. Therefore, it is not necessary to keep in stock the replacement lighting devices 1 with different overall lengths, which facilitates ordering and improves the design efficiency due to the commonality and standardization of the design.

[0070] In addition, since the claw portion 235 of the second end plate 23 is fitted into the opening 225 of the first end plate 22, the second end plate 23 is attached to the first end plate 22. Therefore, the second end plate 23 can be easily attached to the first end plate 22 and easily removed without using tools at the construction site. As a result, the workability is improved, and the disassemblability is improved in the construction during the next replacement.

[0071] In addition, the second end plate 23 is attached to the first end plate 22 when the lighting fixture 2 is attached to the bar member 9. Therefore, at the time of factory shipment, the overhanging portion 26 is not provided, and it is possible to arrange the overhanging portion 26 with a desired length at the construction site and have the lighting installer attach it, improving the workability. Also, the disassemblability is improved in the construction during the next replacement, and it becomes possible to respond to various conditions in the renewal construction, so the applicable range can be widened.

[0072] In addition, since the instrument body 21 and the light-shielding portion 24 of the lighting fixture 2 are integrated by the first end plate 22, the second end plate 23 is managed as a separate part in a state separated from the first end plate 22. Therefore, the workability of the lighting fixture 2 is improved, and the disassemblability in the renewal construction at the next replacement is improved.

[0073] In addition, since the lighting fixture 2 is attached to the bar member 9 by the holding mechanism 50, the workability in the renewal is improved.

[0074] Also, a pre-produced instrument body 21, a first end plate 22, and a second end plate 23 produced according to specification information are each supplied, and the lighting device 1 is assembled at the site where the lighting device 1 is replaced. For this reason, the order placement from order receipt to delivery is facilitated, contributing to shortening the delivery time, reducing the inventory risk, shortening the lead time in supply, simplifying the construction work in replacing the lighting device 1, and reducing the packaging volume of the instrument body 21 and the first end plate 22 by making the longitudinal packaging dimension smaller, thereby improving the logistics efficiency. Furthermore, commonality and standardization in design become possible, improving the design efficiency, enabling response to various conditions, and expanding the range to which renewal construction is applied.

[0075] Also, by supplying the pre-produced instrument body 21 and the first end plate 22 in an assembled state, the order placement from order receipt to delivery is facilitated, contributing to shortening the delivery time, reducing the inventory risk, and further simplifying the construction work in replacing the lighting device.

[0076] Embodiment 2. FIG. 19 is an exploded perspective view of the lighting device 1 according to Embodiment 2 of the present disclosure. FIG. 20 is a perspective view of the spacer 27 of the lighting device 1 according to Embodiment 2 of the present disclosure viewed from the outside of the lighting fixture 2. FIG. 21 is a perspective view of the spacer 27 of the lighting device 1 according to Embodiment 2 of the present disclosure viewed from the inside of the lighting fixture 2. Embodiment 2 is different from Embodiment 1 in that it includes a spacer 27. In Embodiment 2, parts common to Embodiment 1 are denoted by the same reference numerals and the description thereof is omitted, and the description will focus on the differences from Embodiment 1.

[0077] As shown in FIGS. 19 to 21, a spacer 27 is arranged in the lighting device 1 according to the second embodiment. The spacer 27 is arranged to extend in the Y direction and is installed at both ends such that it is installed on the bar member 9 and partially overlaps with the second end plate 23. The spacer 27 is an example of an adjustment part. By the spacer 27, the dimensional difference in the X direction between the lighting device 1 for replacement, that is, for renewal, and the removed existing lighting device can be eliminated. By eliminating the dimensional difference, the gap associated with the dimensional difference is blocked, and the ceiling space cannot be visually recognized, preventing deterioration of the design. The spacer 27 may be arranged at both ends of the lighting fixture 2 in the X direction, or may be provided only at one end.

[0078] The spacer 27 is arranged outside the overhanging portion 26 of the second end plate 23. The spacer 27 is arranged across the Y direction. The spacer 27 has a connection part 270, a first surface part 271, a second surface part 272, and a first restricting part 273. The connection part 270 is a part connecting the first surface part 271 and the second surface part 272. The connection part 270 extends in a direction along the rising part 233 of the second end plate 23.

[0079] The first surface part 271 and the second surface part 272 are bent from both ends of the connection part 270 and extend in opposite directions to each other. The first surface part 271 is arranged on the same plane as the overhanging portion 26 of the second end plate 23. From the outer end of the first surface part 271, the first restricting part 273 extends in a direction intersecting the first surface part 271 and is provided facing the connection part 270.

[0080] The outer end part of the first surface part 271 is in contact with a member intersecting the bar member 9 constituting the management department at the first restricting part 273. The first surface part 271 shields the gap associated with the dimensional difference, making it difficult to visually recognize the ceiling space. The first surface part 271 extends from the connection part 270 in a direction opposite to the second end plate 23.

[0081] The second face portion 272 is a portion that rests on the upper end of the rising portion 233 of the second end plate 23. The second face portion 272 can slide along the X direction at the upper end of the rising portion 233 of the second end plate 23. By the second face portion 272 sliding along the X direction at the upper end of the rising portion 233 of the second end plate 23, the dimension of the lighting device 1 in the X direction can be adjusted.

[0082] The dimension Ld2 of the second face portion 272 in the X direction corresponds to the range in which the dimension of the lighting device 1 in the X direction can be adjusted. The dimension Ld2 is also referred to as the adjustment dimension hereinafter. That is, when the second face portion 272 has the dimension Ld2 in the X direction, the overall length of the lighting device 1 can be adjusted within the range up to the sum of the dimension of the lighting fixture 2 in the X direction and Ld2. The dimension of the lighting fixture 2 in the X direction is the sum of the dimension of the fixture main body 21 in the X direction and the dimension of the overhanging portion 26 of the second end plate 23. Thus, by using the spacer 27, the amount of occlusion by the spacer 27 can be adjusted continuously and easily.

[0083] The spacer 27 has individual specifications with different dimensions for the first face portion 271 and the second face portion 272. On the other hand, the configurations other than the spacer 27 are designed and manufactured with common specifications. For this reason, the amount of occlusion can be adjusted continuously and easily according to different dimension conditions and the like of the existing lighting device 1. The spacers 27 may have the same specifications at both ends of the lighting fixture 2 in the X direction, or different specifications may be combined and specified.

[0084] <Handling Example of Configuration Group> FIG. 22 is a front view of Specification Example 1 of the lighting device 1 according to Embodiment 2 of the present disclosure. FIG. 23 is a front view of Specification Example 2 of the lighting device 1 according to Embodiment 2 of the present disclosure. FIG. 24 is a front view of Specification Example 3 of the lighting device 1 according to Embodiment 2 of the present disclosure. As shown in FIGS. 22 to 24, the lighting device 1 includes a configuration group A with common specifications and a spacer 27 of a configuration group B with individual specifications.

[0085] The component group A is composed of, for example, an instrument body 21, a blindfold portion 24, a first end plate 22, a second end plate 23, and a holding mechanism 50. The instrument body 21, the blindfold portion 24, the first end plate 22, and the second end plate 23 are respectively fixed by, for example, caulking, screwing, riveting, or welding. The component group A with the common specification has a common dimension in the X direction of the instrument dimension Lc + the overhanging dimension Lb × 2 = 1250 mm. The spacer 27 of the component group B has, for example, the dimension of the first surface portion 271 larger than that of the second surface portion 272, and the dimensions of the first surface portion 271 and the second surface portion 272 have a plurality of different types of dimensions. Hereinafter, the case where the dimension of the first surface portion 271 of the spacer 27 of the component group B is 30 mm is described as an example. Also, hereinafter, the case where the spacers 27 with the same configuration are arranged at both ends in the X direction is described as an example.

[0086] The lighting device 1 of Specification Example B1 is a lighting device 1 used for replacement when the overall length LB1 of the existing lighting device 1 is 1250 mm. The common dimensions are the instrument dimension Lc and the overhanging dimension Lb. The lighting device 1 of Specification Example B1 is composed only of the component group A, and the overall length LB1 becomes 1250 mm due to the instrument dimension Lc, which is the common dimension, and the overhanging dimensions Lb at both ends.

[0087] The lighting device 1 of Specification Example B2 is a lighting device 1 used for replacement when the overall length LB2 of the existing lighting device 1 is 1310 mm. The lighting device 1 of Specification Example B2 is composed of the component group A and the spacer 27 of the component group B, and the spacer 27 is arranged such that the connection portion 270 and the rising portion 233 of the second end plate 23 are in surface contact. Thereby, the spacer dimension Ls becomes 30 mm. The spacer dimension Ls is the dimension from the outer end of the overhanging portion 26 to the outer end of the first surface portion 271. Therefore, the dimension of the lighting device 1 of Specification Example B2 in the X direction is the common dimension of the instrument dimension Lc + the overhanging dimension Lb × 2 and the spacer dimension Ls × 2, which is 1310 mm.

[0088] The lighting device 1 of Specification Example B3 is a lighting device that is replaced when the total length LB3 of the existing lighting device 1 is 1320 mm. The lighting device 1 of Specification Example B3 is composed of a component group A and a spacer 27 of component group B, and the spacer 27 is arranged such that the connection portion 270 and the rising portion 233 of the second end plate 23 are separated by a dimension ΔLs = 5 mm. As a result, the spacer dimension Ls becomes 30 mm + 5 mm = 35. Therefore, the dimension of the lighting device 1 of Specification Example B3 in the X direction is 1320 mm, which is the common dimension of the fixture dimension Lc + the overhang dimension Lb and the spacer dimension Ls × 2.

[0089] In this way, since the spacer 27 is used as the adjustment part in the lighting device 1, it is possible to design and manufacture the components other than the adjustment part according to the common specifications. Further, the spacer 27 has an individual specification including a first surface portion 271 and a second surface portion 272, and is slidable along the X direction which is the longitudinal direction. Therefore, the closing amount can be continuously and easily adjusted according to different dimension conditions of the existing lighting device.

[0090] FIG. 25 is a flowchart of the replacement method M3 of the lighting device 1 according to Embodiment 2 of the present disclosure. As shown in FIG. 25, in the replacement method M3 of the lighting device 1, first, step S01 of the replacement method M1 in Embodiment 1 is performed, and the process proceeds to step S32. Next, in step S32, the required number of the component group B with individual specifications is produced and stocked based on the plan, and the process proceeds to step S33. The required number in this case is calculated based on, for example, the plan of the total annual production number of the lighting device 1.

[0091] In step S33, the required numbers are supplied separately or together from the stocked component group A and component group B, respectively. The required number in this case is calculated based on, for example, the quantity of the ordered lighting device 1.

[0092] After step S33, step S04 of the replacement method M1 in Embodiment 1 is performed, and the installation of the lighting device 1 is completed. According to the replacement method M3 of the lighting device 1 adopting such a member management method, the effect that the supply lead time is minimized is achieved.

[0093] <Modification Example> FIG. 26 is a side view of the spacer 27 of the lighting device 1 according to Modification Example 1 of Embodiment 2 of the present disclosure. As shown in FIG. 26, in the spacer 27, the dimension Ld1 of the first surface portion 271 is larger than the dimension Ld2 of the second surface portion 272. The spacer 27 can be used upside down.

[0094] The spacer 27 includes a second restricting portion 274 extending from an end portion of the second surface portion 272 in addition to the first restricting portion 273 extending from an end portion of the first surface portion 271. Similar to the first restricting portion 273, the second restricting portion 274 extends from the edge portion of the second surface portion 272 in the same direction as the connecting portion 270 and is a portion facing the connecting portion 270.

[0095] Either one of the first restricting portion 273 or the second restricting portion 274 engages with the rising portion 233 formed at the outer end portion of the overhanging portion 26. Thereby, the movement of the spacer 27 in the X direction is restricted, and the spacer 27 is always arranged at a position overlapping the overhanging portion 26, so that a gap through which the ceiling space can be visually recognized can be prevented from being generated between the spacer 27 and the overhanging portion 26.

[0096] FIG. 27 is a front view of Specification Example 4-1 of the lighting device 1 according to Modification Example 1 of Embodiment 2 of the present disclosure. FIG. 28 is a front view of Specification Example 4-2 of the lighting device 1 according to Modification Example 1 of Embodiment 2 of the present disclosure.

[0097] As shown in FIGS. 27 and 28, the spacer 27 can be arranged such that the first surface portion 271 rests on the upper end of the rising portion 233. The maximum movement amount ΔLmax of the spacer 27 depends on the distance dimension Lg between the second end plate body 231 and the rising portion 233. Further, the maximum movement amount ΔLmax of the spacer 27 depends on the distance dimension Lh between the connecting portion 270 of the spacer 27 and the first restricting portion 273, or between the connecting portion 270 of the spacer 27 and the second restricting portion 274.

[0098] When the second surface portion 272 is arranged to rest on the upper end of the rising portion 233, it is the case where the distance dimension Lg is larger than the distance dimension Lh. In this case, the maximum movement amount ΔLmax of the spacer 27 is smaller than the distance dimension Lg between the second end plate body 231 and the rising portion 233, and is substantially the same as the distance dimension Lh between the connecting portion 270 and the second restricting portion 274. When the second surface portion 272 is arranged to rest on the upper end of the rising portion 233, the second restricting portion 274 is in surface contact with the inner surface of the rising portion 233, thereby restricting the movement of the spacer 27 in the direction away from the instrument body 21.

[0099] FIG. 29 is a front view of Specification Example 5-1 of the lighting device 1 according to Modification Example 1 of Embodiment 2 of the present disclosure. FIG. 30 is a front view of Specification Example 5-2 of the lighting device 1 according to Modification Example 1 of Embodiment 2 of the present disclosure. As shown in FIGS. 29 and 30, the spacer 27 may be arranged with the top and bottom reversed such that the second surface portion 272 rests on the upper end of the rising portion 233.

[0100] When the first surface portion 271 is arranged to rest on the upper end of the rising portion 233, it is the case where the distance dimension Lg is smaller than the distance dimension Lh. In this case, the maximum movement amount ΔLmax of the spacer 27 is substantially the same as the distance dimension Lg between the second end plate body 231 and the rising portion 233. When the first surface portion 271 is arranged to rest on the upper end of the rising portion 233, the first restricting portion 273 is in surface contact with the second end plate body 231, thereby restricting the movement of the spacer 27 in the direction toward the instrument body 21.

[0101] In this way, the spacer 27 has the first surface portion 271 and the second surface portion 272 that is smaller in dimension than the first surface portion 271, and by being used in an inverted state up and down, it becomes possible to respond to different dimensional conditions etc. of an existing lighting device with one spacer 27.

[0102] In the lighting device 1 according to the second embodiment described above, it has the spacer 27 which is an adjustment portion, the first surface portion 271 of the spacer 27 is arranged on the same plane as the overhanging portion 26 of the second end plate 23, and the second surface portion 272 is slidably placed on the upper end of the rising portion 233. For this reason, it is possible to respond to the replacement of existing lighting devices having different overall lengths only by preparing spacers 27 with different dimensions, the dimensional difference between the replacement lighting device 1 and the existing lighting device to be removed is eliminated, the gap due to the dimensional difference is blocked, and the ceiling space cannot be visually recognized. Thereby, it is possible to prevent the design property of the lighting device 1 from deteriorating. Also, the ease of ordering is improved, and the ability to respond to the delivery date can also be improved.

[0103] Further, since the second regulating portion 274 of the spacer 27 is engaged with the rising portion 233 of the second end plate 23, the movement of the spacer 27 in the longitudinal direction with respect to the instrument main body 21 is regulated, and the spacer 27 is arranged at a position overlapping the overhanging portion 26. For this reason, no gap through which the ceiling space can be visually recognized is generated between the spacer 27 and the overhanging portion 26, and the workability can be improved.

[0104] Also, the spacer 27 is arranged so that the dimension in the X direction which is the longitudinal direction is smaller in either the first surface portion 271 or the second surface portion 272, so as to be placed on the upper end of the rising portion 233. For this reason, the maximum movement amount ΔLmax by the spacer 27 is smaller than the overhanging dimension of the overhanging portion 26 and is substantially the same dimension as the dimension of the first surface portion 271. Thereby, the applicable range during renovation work is widened, and it becomes possible to respond to various conditions in installation.

[0105] Further, the spacer 27 is arranged such that the dimension in the X direction, which is the longitudinal direction, is larger in either the first surface portion 271 or the second surface portion 272 so as to rest on the upper end of the rising portion 233. For this reason, the maximum movement amount ΔLmax of the spacer 27 becomes substantially the same as the overhang dimension of the overhanging portion 26, enabling correspondence to various conditions and broadening the applicable range in renewal construction.

[0106] Further, the spacer 27 has a first regulating portion 273 and a second regulating portion 274, and either one of the first regulating portion 273 or the second regulating portion 274 is engaged with the rising portion 233 of the second end plate 23, so that it can be used after being turned upside down. As a result, the adjustable range of the maximum movement amount ΔLmax of the spacer 27 is expanded, the ease of ordering is improved, the risk in inventory is reduced, and the logistics efficiency can be improved. Also, by making the design common and standardized, the design efficiency can be improved.

[0107] Further, the appliance body 21, the first end plate 22, and the second end plate 23 have a common specification, and the spacer 27 has an individual specification with different dimensions of the first surface portion 271 or the second surface portion 272. For this reason, only a plurality of different types of the spacer 27 are manufactured and the inventory is managed, and members corresponding to different existing lighting devices can be supplied individually. Thus, it is possible to shorten the delivery time without stocking replacement lighting devices with different overall lengths, and the ease of ordering is also improved.

[0108] In addition, the appliance body 21, the first end plate 22, and the second end plate 23 that have been pre-produced and stocked, and the spacer 27 produced according to the specification information are assembled into the lighting device 1 at the site where the lighting device 1 is replaced. Therefore, the order placement from receipt of order to delivery is facilitated, contributing to shortening the delivery time and reducing the inventory risk. In addition, the lead time in supply is shortened, the construction work for replacing the lighting device 1 is simplified, and the packaging volume of the appliance body 21, the first end plate 22, and the second end plate 23 is reduced because the packaging dimension in the longitudinal direction becomes smaller, so that the logistics efficiency can be improved. Furthermore, commonality and standardization in design become possible, improving the design efficiency, enabling response to various conditions, and expanding the scope to which the renewal construction is applied.

[0109] Also, a spacer 27 having a dimension corresponding to the specification information is supplied from the spacers 27 of different dimensions pre-produced, and is assembled and arranged with the appliance body 21, the first end plate 22, and the second end plate 23 that have been pre-produced and stocked at the site where the lighting device 1 is replaced. Therefore, the supply lead time is shortened, and the ease of order placement and the efficiency of logistics can be improved.

[0110] Note that information regarding the members included in the above-described component group A or component group B, or the construction using the lighting device including these is provided to the construction or the business operators related to the facility to be constructed, etc. using a medium such as a catalog. This information may be provided as an electronic medium. Also, the management of the members including the manufacture (production), inventory, and supply of the component group A or component group B, and the installation of the lighting device 1 using these may all be performed by the same business operator, or may be shared and performed by different business operators.

[0111] Hereinafter, various aspects of the present disclosure will be collectively described as appendices.

[0112] (Appendix 1) An appliance having a long shape and installed on an attachment part, and a first end plate covering a part of an end portion in the longitudinal direction of the appliance A second end plate that covers the other part of the end portion and has an adjustment portion disposed outside the end portion in the longitudinal direction; and is provided with; The dimension in the longitudinal direction is adjusted by the adjustment portion lighting device. (Appendix 2) The adjustment portion is provided so as to project outside the first end plate in the longitudinal direction The lighting device according to Appendix 1. (Appendix 3) The adjustment portion is provided at both ends in the longitudinal direction, The overhanging dimension that projects outside the first end plate of one of the adjustment portions is the same as the overhanging dimension of the other adjustment portion The lighting device according to Appendix 2. (Appendix 4) The adjustment portion is provided at both ends in the longitudinal direction, The overhanging dimension that projects outside the first end plate of one of the adjustment portions is different from the overhanging dimension of the other adjustment portion The lighting device according to Appendix 2. (Appendix 5) The appliance and the first end plate have a common specification, The second end plate has an individual specification with different overhanging dimensions of the adjustment portion The lighting device according to any one of Appendices 2 to 4. (Appendix 6) The first end plate has an opening, The second end plate has a claw portion that fits into the opening, The second end plate is attached to the first end plate by fitting the claw portion into the opening The lighting device according to any one of Appendices 2 to 5. (Appendix 7) The second end plate is When the appliance is installed on the mounting portion, it can be attached to the first end plate The lighting device according to any one of Appendices 2 to 6. (Appendix 8) The device has a device body and a blindfold portion connected to the device body, and the device body and the blindfold portion are integrated by the first end plate. The lighting device according to any one of Supplementary Notes 2 to 7. (Supplementary Note 9) The device further has a holding mechanism for installing the device on the mounting portion. The lighting device according to any one of Supplementary Notes 2 to 8. (Supplementary Note 10) A method for managing members for replacing an existing lighting device with the lighting device according to any one of Supplementary Notes 2 to 9, including the steps of stocking the device and the first end plate produced in advance based on a plan, producing the second end plate having the adjustment portion with the protruding dimension corresponding to the specification information of the existing lighting device, and supplying the stocked device, the first end plate, and the produced second end plate. A method for managing members including the above steps. (Supplementary Note 11) A method for managing members for replacing an existing lighting device with the lighting device according to any one of Supplementary Notes 2 to 9, including the steps of stocking the device and the first end plate produced in advance based on a plan, producing the second end plate having the adjustment portion with the protruding dimension corresponding to the specification information of the existing lighting device, assembling the stocked device, the first end plate, and the produced second end plate, and supplying the assembled device, the first end plate, and the second end plate. A method for managing members including the above steps. (Supplementary Note 12) The second end plate has a protruding portion that protrudes outward from the first end plate in the longitudinal direction, and a rising portion that extends along the end portion of the device in the longitudinal direction from the tip of the protruding portion. has, the adjustment part is a connection part arranged along the outer surface of the rising part of the second end plate, a first surface part and a second surface part that intersect the connection part and extend in directions away from each other from opposite sides of the connection part, has, the first surface part is arranged on the same plane as the overhanging part, the second surface part is slidably placed on the upper end of the rising part The lighting device according to Addendum 1. (Addendum 13) the adjustment part is further provided with a restricting part extending in a direction along the connection part from the end of the second surface part, the restricting part is engaged with the rising part of the second end plate The lighting device according to Addendum 12. (Addendum 14) The dimension of the second surface part in the longitudinal direction is smaller than the dimension of the first surface part in the longitudinal direction The lighting device according to Addendum 12 or Addendum 13. (Addendum 15) The dimension of the second surface part in the longitudinal direction is larger than the dimension of the first surface part in the longitudinal direction The lighting device according to Addendum 12 or Addendum 13. (Addendum 16) the second end plate is an overhanging part that protrudes outward from the first end plate in the longitudinal direction, a rising part extending along the end of the appliance in the longitudinal direction from the tip of the overhanging part, has, the adjustment part is a connection part arranged along the outer surface of the rising part of the second end plate, a first surface part and a second surface part that intersect the connection part and extend in directions away from each other from opposite sides of the connection part, a first restricting part extending in a direction along the connection part from the end of the first surface part, A second restricting portion extending in a direction along the connecting portion from an end of the second surface portion; and having The dimension in the longitudinal direction of the first surface portion is larger than the dimension in the longitudinal direction of the second surface portion, One of the first restricting portion or the second restricting portion is engaged with the rising portion of the second end plate The lighting device according to Supplementary Note 1. (Supplementary Note 17) The appliance, the first end plate, and the second end plate have a common specification, The adjusting portion has different individual specifications of adjustment dimensions that are the dimensions in the longitudinal direction of the first surface portion or the second surface portion The lighting device according to any one of Supplementary Notes 12 to 16. (Supplementary Note 18) A method for managing members for replacing an existing lighting device with the lighting device according to any one of Supplementary Notes 12 to 17, A step of stocking the appliance, the first end plate, and the second end plate produced in advance based on a plan; A step of producing the adjusting portion having the first surface portion and the second surface portion with dimensions corresponding to the specification information of the existing lighting device; A step of supplying the stocked appliance, the first end plate, and the second end plate, and the produced adjusting portion, respectively; A step of assembling the appliance, the first end plate, the second end plate, and the adjusting portion at a site where the lighting device is replaced; A method for managing members including (Supplementary Note 19) Management of members for replacing an existing lighting device with the lighting device according to any one of Supplementary Notes 12 to 17, A step of stocking the appliance, the first end plate, and the second end plate produced in advance based on a plan; A step of stocking the adjusting portion having the first surface portion and the second surface portion with different dimensions produced in advance; A step of supplying the stored instrument, the first end plate, the second end plate, and the adjustment part having the dimensions corresponding to the specification information of the existing lighting device. A method for managing members including the same.

Explanation of reference numerals

[0113] 1 Lighting device, 2 Lighting fixture, 3 Lamp, 4 Light source unit, 9 Bar member, 21 Instrument body, 22 First end plate, 23 Second end plate, 24 Blind part, 26 Overhanging part, 26a Distal end, 27 Spacer, 50 Holding mechanism, 51 Holding part, 52 Elastic part, 53 Movable part, 54 Regulation part, 211 Top plate part, 212 Side wall part, 213 Inclined part, 214 Connecting spring, 221 First end plate body, 222 End plate side part, 223 Flange part, 225 Opening, 231 Second end plate body, 232 Upper flange part, 232a Bent part, 232b Open end, 233 Upright part, 235 Claw part, 235a Base end, 235b Tip end, 270 Connection part, 271 First surface part, 272 Second surface part, 273 First regulation part, 274 Second regulation part, 511 Fixed member, 532 Acting part, 2111 Slit, 2112 Insertion hole.

Claims

1. An appliance having a long shape and installed on an attachment part, a first end plate covering a part of an end in the longitudinal direction of the appliance, a second end plate covering the other part of the end and having an adjustment part arranged outside the end in the longitudinal direction, comprising: The longitudinal dimension is adjusted by the adjustment part lighting device.

2. The adjustment part is provided so as to project outside the first end plate in the longitudinal direction The lighting device according to claim 1.

3. The appliance and the first end plate have a common specification, The second end plate has an individual specification with an overhang dimension that projects outside the first end plate of the adjustment part The lighting device according to claim 2.

4. The first end plate has an opening, The second end plate has a claw part fitted into the opening, The second end plate is attached to the first end plate by fitting the claw part into the opening The lighting device according to claim 2.

5. The second end plate, When the appliance is installed on the attachment part, it can be attached to the first end plate The lighting device according to claim 2.

6. The second end plate has an overhang part that projects outward from the first end plate in the longitudinal direction, a rising part extending along the end in the longitudinal direction of the appliance from the tip of the overhang part, having: The adjustment part, a connection part arranged along the outer surface of the rising part of the second end plate, a first surface part and a second surface part that intersect the connection part and extend in directions away from each other from opposite sides of the connection part, having: The first surface part is arranged on the same plane as the overhang part, The second surface part is slidably placed on the upper end of the rising part The lighting device according to claim 1.

7. The appliance, the first end plate, and the second end plate have a common specification, The adjustment part has an individual specification with different adjustment dimensions that are the longitudinal dimensions of the first surface part or the second surface part The lighting device according to claim 6.

Images