JPH06196008A - Luminaire - Google Patents

Abstract

PURPOSE:To easily form a frame and improve the assembling property of an equipment body and the strength of the equipment body. CONSTITUTION:Side plate parts 16 adjacent to each other in V-shape are formed, and top plate parts 18 are bent and formed almost vertically on the inside of one longitudinal side to form a pair of free parts 12, 12. A connecting piece part 23 is bent and formed almost vertically on the end part of one side plate part 16 of the frame part 12. The connecting piece part 23 of one frame part 12 is brought into contact with the end part on the side having no connecting piece part 23 of the other frame part 12, and the frame parts 12 are bonded by the mutual connecting piece parts 23 in a square to form a frame 11. A reinforcement body 28 formed by bending slender hexagonal edges into a box is mounted on the top plate part 18 diagonally to the corner parts where the frame parts 12, 12 are mutually connected to form an equipment body 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminaire having a reinforcing body provided in a diagonal direction of a main body of the luminaire.

[0002]

2. Description of the Related Art Heretofore, as a lighting fixture of this type, a structure described in, for example, Japanese Utility Model Laid-Open No. 4-88615 as shown in FIGS. 4 and 5 has been known.

An actual flattening flat 4 as shown in FIG. 4 and FIG.
The luminaire described in Japanese Patent Publication No. 88615 has a luminaire body 61.
Is a substantially square top plate portion 63 having a top opening 62 at the substantially center.
A side plate portion 64 is formed substantially vertically below the outer peripheral edge portion of the above, and an irradiation opening 65 is formed on the lower surface side to form a substantially box shape. Then, a lamp socket 69 to which the one-end fitting 68 of the fluorescent lamp 67 is attached is attached to the side plate portion 64.

In addition, a ballast 72 consisting of a ballast box 71 accommodating a ballast body 70 for lighting the fluorescent lamp 67 diagonally across the ceiling opening 62 in the top plate portion 63 of the instrument body 61. Is attached.

[0005]

However, in the lighting fixture described in Japanese Utility Model Laid-Open No. 4-88615 as shown in FIGS. 4 and 5, the ballast 72 is provided on the top plate portion 63 of the fixture body 61.
There is a problem that the strength of the device body 61 is only improved by mounting the device in a diagonal direction.

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a lighting fixture which can be easily assembled and which can be improved in strength by utilizing a reinforcing member located on a diagonal line.

[0007]

SUMMARY OF THE INVENTION A lighting device of the present invention comprises a rectangular side plate portion having two surfaces which are bent and formed substantially vertically, and
A frame body formed in a substantially rectangular tube shape by facing two frame body portions having top plate portions bent inward from continuous sides of the adjacent side plate portions, and the frame body portion. And a reinforcing body that is provided on a diagonal line of the frame bodies that are adjacent to each other and that is connected to the top plate portion of each of the adjacent frame body portions.

[0008]

In the lighting apparatus of the present invention, the frame bodies are formed in a square tubular shape so as to face each other, and the reinforcing bodies are attached on the diagonal lines which are the top plate portions of the adjacent frame bodies, so that the assemblability is improved. The strength is improved as well.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the lighting equipment of the present invention will be described below with reference to FIGS.

Reference numeral 11 denotes a frame body, and this frame body 11 is a pair of frame body parts.
Irradiation openings 13 are formed in a substantially square shape on one end surface, and a top opening 14 having a smaller opening area than the irradiation opening 13 is formed on the other end surface to form a square tubular shape.

The frame body 12 is bent substantially vertically along the longitudinal center of a rectangular flat plate made of steel plate,
Side plate portions 16 adjacent to each other in a V shape are formed. Further, in the frame body portion 12, one side in the longitudinal direction is bent outward in a U shape to form a peripheral edge portion 17, and the other side is bent inward in a substantially vertical L shape to form a top plate portion 18. Both ends of the top plates 18 are tapered at about 45 ° to prevent the adjacent top plates 18 from overlapping with each other, and the tops of the tops 18 are bent in the same direction as the side plates 16. The locking piece portion 19 is formed by being bent.

Further, one side plate portion 16 of these frame body portions 12
Has a rivet hole 21 formed at the end thereof, and the other side plate 16 has a rivet hole bent at the end thereof in the same direction as the one side plate 16.
A joining piece portion 23 having 22 formed therein is formed. Further, screw holes 24 are formed near the ends of each top plate portion 18 of the frame body portion 12.

Then, the joining piece portion 23 of the one frame body portion 12 is
The other frame body portion 12 is brought into contact with the end portion on the side where the joint piece portion 23 is not provided, and these frame body portions 12 and 12 are joined to each other.
The rivet hole of the other frame body 12 through the rivet hole 22 of 23
The rivet 25 is inserted into and fixed to the 21.
11 are formed.

Further, engaging recesses 27 for engaging with attachment means such as anchor bolts provided on a ceiling (not shown) are respectively formed at approximately the center of the opposing top plate portions 18 of the frame body 11 formed in the shape of a square cylinder. Notch is formed.

An anchor bolt is engaged with the engaging recess 27, a nut or the like screwed to the anchor bolt is engaged with the engaging piece 19, and the irradiation opening 13 is used as the lower surface and the irradiation opening 13 is used as the ceiling surface. The frame 11 is embedded in the ceiling surface on substantially the same plane as the above.

On the other hand, 28 is a reinforcing body, and this reinforcing body 28 is formed in a rectangular plate shape, and both ends in the longitudinal direction become narrower toward the tip, and the pair of frame body parts 12 at the tips are set on the rivets 25. It is formed at a right angle so as to be located at the corner portions joined together, and has an elongated hexagonal shape. Also, this reinforcement 28
Has a box-like shape in which a flange portion 29 is bent so that its peripheral edge is substantially perpendicular to the same direction. Further, in the vicinity of the tip in the longitudinal direction, the frame body parts 12 and 12 of the frame body 11 formed in a square tube shape are formed.
A screw hole 30 corresponding to the screw hole 24 formed in the top plate portion 18 is formed.

The reinforcing body 28 is screwed 32 to the screw holes 24 of the frame bodies 12 and 12 through the screw holes 30 near the tips, and the pair of frame bodies 12 and 12 is formed into a square tubular shape. Formed frame
11, the corner portions of the frame body portions 12, 12 joined to each other, and the flange portion 29 diagonally downward to the inner surface side of the top plate portion 18 of the frame body portions 12, 12.
Is attached so as to project to form the instrument body 10.

Further, a lighting device 33 is provided with a screw 34 on the lower surface of the reinforcing body 28 of the fixture body 10 on the side where the flange portion 29 is bent.
It has been stopped.

The peripheral portion 17 of the instrument main body 10 is shown in FIG.
As shown in FIG. 3, a mounting body 36 having a U-shaped cross section, which is opened upward and into which the peripheral edge portion 17 is inserted, is attached. Further, the mounting body 36 is provided with a mounting portion 37 projecting inward on the irradiation opening 13 side.

On the other hand, 39 is a socket mount, and this socket mount 39 is made of a steel plate, and a rectangular mounting plate 40 is bent at both ends in the same direction to form legs 41. Attachment ends 42 are formed by bending the ends of the leg portions 41 outward respectively. Also, one side in the longitudinal direction of the mounting plate portion 40 is the leg portion.
An edge piece portion 43 is formed by being bent substantially perpendicularly in the same direction as the bending direction of 41. Further, the mounting plate 40 has a U-shaped socket mounting hole on the side where the longitudinal edge piece 43 is not provided.
The notch 44 is formed.

The socket mounting base 39 is fixed to the inner surface of one top plate portion 18 with a screw 45 so that the socket mounting hole 44 faces the side plate portion 16, and the socket mounting hole 44 is closed with one socket. A lamp socket 49 to which a fluorescent lamp 48 having a metal fitting 47 is attached is attached with a screw 50.

A reflector plate 53 having a reflecting surface 52 formed on the lower surface so as to widen toward the irradiation opening 13 on the lower surface is provided inside the fixture body 10. The fluorescent lamp 48 is attached to the lamp socket 49. It is mounted between the top plate portion 18 and the top plate portion 18 by mounting means (not shown) so as to enclose the fluorescent lamp 48.

Further, inside the instrument body 10, a lower end edge is placed on a placing portion 37 of a placing body 36 which is located below the fluorescent lamp 48 and engages with the peripheral edge portion 17 of the instrument body 10. A dimmer 54 is attached.

Next, the mounting operation of the above embodiment will be described.

First, in the assembly of the instrument main body 10, the pair of frame bodies 12, 12 formed in advance in an L shape are joined to each other, and the joining piece portion 23 of one frame body portion 12 is joined to the joining piece of the other frame body portion 12. Part 23
Abutting the end on the side where no
The rivet 25 is inserted and fixed in the rivet hole 21 of the other frame body portion 12 through the rivet holes 22 of 23, 23, and the frame body is formed into a rectangular tube shape.
Forming 11. Next, the reinforcing body 28 previously formed,
A screw hole of the top plate portion 18 is provided on the inner surface side of the top plate portion 18 of the frame body portions 12 and 12 on a diagonal line to opposite corner portions where the frame body portions 12 and 12 of the rectangular tubular frame body 11 are joined. The device body (10) is formed by fastening the screw (32) to the screw hole (30) of the reinforcing body (28) via the.

Then, a lamp socket is attached to the fixture body 10.
The lighting fixture 33 is fixed to the lower surface of the reinforcing body 28 with the screw 34, and the lamp socket 49 and the lighting device 33 are wired.

Next, when the assembled instrument body 10 is installed, a hand is put in through the top opening 14 and, for example, the top plate portion 18 of the instrument body 10 is elastically deformed while the anchor bolt having a nut (not shown) is elastically deformed. The anchor body is guided to the engagement recess 27 formed by cutting out, the elastic deformation of the anchor bolt is released, and the anchor bolt is inserted into the engagement recess 27 to support the instrument body 10. Then, the nut is tightened until the peripheral portion 17 of the device body 10 is located on the lower surface of the ceiling, and the device body 10 is attached.

Then, the reflector 53 is attached to the fluorescent lamp.
The lamp socket 49 is attached to the lamp socket 49, and the light control body 54 is mounted on the mounting body 36.

In the above embodiment, a pair of frame bodies 12, 12 are formed from the side plate portion 16 and the top plate portion 18 in a V shape, and these frame body portions are formed.
12 and 12 are joined to each other at the connecting piece 23 in the shape of a rectangular tube to form a frame
The frame body portion 1 of the frame body 11 which forms 11 and is joined in this square tube shape.
Reinforcement body 2 on the diagonal line of the corner to be joined to the top plate 18 of 2 and 12
Since the tool body 10 is formed by attaching 8 to each other, the frame bodies 12 and 12 constituting the frame body 11 can be easily formed, the manufacturability and the assemblability of the tool body 10 can be improved, and the strength of the tool body 10 can be improved. Can be improved.

Further, a reinforcing member 28 mounted diagonally
By attaching the lighting device 33 to the, the instrument body 10 is balanced, and the workability on the ceiling or the like becomes easy.

Furthermore, since the fixture body 10 has the top opening 14, heat from the lighting device 33, the fluorescent lamp 48, etc. can be radiated from the top opening 14, so that damage to various parts due to the heat can be prevented. When attaching the instrument body 10 to the ceiling or the like, a hand can be inserted through the top opening 14 and the instrument body 10 can be easily attached.

In the above embodiment, the fluorescent lamp 48
The socket mount 39 to which the lamp socket 49 to which the one-sided metal fitting 47 is attached is attached to one top plate portion 18 of the instrument body 10 for explanation, but the socket mounts 39 are respectively attached to the opposing top plate portions 18. The fluorescent lamp 48 may be attached so that the straight tube fluorescent lamp 48 can be attached.

Although the lighting device 33 is attached to the reinforcing member 28 in the description, the lighting device 33 may be attached to the top plate portion 18.

[0034]

According to the luminaire of the present invention, the frame bodies are formed in a square tube shape so as to face each other, and the reinforcing bodies are attached on the diagonals which are the top plate portions of the adjacent frame bodies. In addition, the assemblability can be improved and the strength can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a lighting fixture of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view with a part thereof cut away.

FIG. 4 is a plan view showing an example of a conventional lighting fixture.

FIG. 5 is a side view with a part thereof cut away.

[Explanation of symbols]

 11 Frame body 12 Frame body part 16 Side plate part 18 Top plate part 28 Reinforcement body

Claims (1)

[Claims] 1. A frame having a two-sided rectangular side plate portion bent substantially vertically and a top plate portion bent inward from a continuous side of the adjacent side plate portions. A frame body that is formed in a substantially rectangular tube shape with two body portions facing each other, and a top plate portion of each of the adjacent frame body portions that is provided on a diagonal line of the frame bodies that adjoin the frame body portions. A luminaire, comprising: a reinforcing body to be connected.