JPH0487105A - Illuminating fixture - Google Patents

Abstract

PURPOSE:To reduce the cost and simplify and quicken the installation of a photo-control member to a lighting fixture body by forming an inner frame in a single piece with a lower photo-control member, and engaging a detention part with a detent part of the lighting fixture body in such a way as capable of disengaging as desired. CONSTITUTION:An inner frame is formed in a single piece with a lower louver member 18. When louver 15 is mounted to a lighting fixture body 12, first an upper louver member 17 is secured to the mounting member 12b of the fixture body 12, and a hooking part 23 at the inner frame formed in a single piece with the lower louver member 18 is detained with the hooking receipt part 24 of the fixture body 12. The free end of the lower louver member 18 is revolved with this hooking part 23 as fulcrum add engaged with the hooking receipt part 2-1 of the fixture body 12 in such a way as capable of disengaging as desired. This permits the lower member 18 to be butted to the upper member 17 correctly, and mounting on the fixture body 12 is made properly. Thereby, the cost is reduced, and the installation of photo-control member 15 to the fixture body 12 can be performed simply and easily.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting device in which a light control member is provided on the lower surface of the lighting device body, and in particular, the invention relates to a lighting device in which the light control member is divided into two in the vertical direction. The present invention relates to a lighting fixture that can be easily attached to the fixture body.

(Prior Art) In recent years, lighting equipment equipped with a louver, which is a light control member, has been frequently used as a lighting equipment in a room where a display of OA equipment or the like is arranged.

Conventionally, as shown in FIG. 16, this type of louvered lighting fixture has a plurality of left and right sockets 2, 2 mounted inside a lidded flat box-shaped fixture body 1 fixed to, for example, a ceiling. A straight tube fluorescent lamp 3 is attached to each of these sockets 2.2.

A lattice-shaped louver 4, which is a light control member, is installed in the lower end of the opening in the main body 1 in the figure, which is located below the mounting position of the fluorescent lamps 3, 3, so that the fluorescent lamps 3, 3 can be directly seen. prevent glare by preventing
In addition to protecting your eyes, fluorescent lamps 3.3 are useful for VDT (Visual Display Terminal) such as office automation equipment.
In other words, it is controlled to prevent them from being reflected directly on the display and obstructing their visibility.

The louver 4 includes two fluorescent lamps 3, 3 and a vertical louver blade 4a extending along the axial direction so as to partition the outside of each of them, and a plurality of horizontal louver blades 4b perpendicular to the vertical louver blade 4a.
It is constructed by assembling them in a grid pattern.

Further, as shown in FIG. 17, the louver 4 is supported by placing its opening lower end on a step 5a of a rectangular inner frame 5, and the inner frame 5 is placed within the opening lower end of the instrument body 1. It is inserted from below and attached detachably.

(Problems to be Solved by the Invention) However, in such a conventional lighting fixture, since the inner frame 5 is provided within the opening lower end of the fixture body 1, the aperture ratio is poor.

Furthermore, since the louver 4 and the inner frame 5 are separate bodies, the number of parts increases accordingly, resulting in higher costs.

Therefore, this invention was made in consideration of such circumstances, and its purpose is to provide an inexpensive lighting fixture that has a high aperture ratio, and allows easy and reliable attachment of a light control member to the fixture body. be.

[Structure of the invention]

(Means for Solving the Problems) In order to solve the above problems, the present invention is configured as follows.

A first invention of the present application (hereinafter referred to as the first invention) provides a lighting equipment body with a lamp, a light control member that controls light from the lamp, and an inner frame portion that supports the light control member. In the lighting fixture, the light control member is formed integrally with the inner frame, and includes a lower light control member formed integrally with the inner frame and an upper light control member fixed to the fixture body. Each of them is formed separately, and a hook part is formed at one end in the width direction of the inner frame part, and a locking part is formed at the other end, and this hook is a hook that detachably and rotatably receives the part. A receiving part,
The lighting device is characterized in that a locking receiver for detachably receiving the locking portion is provided on the lighting fixture main body.

Further, a second invention of the present application (hereinafter referred to as the second invention (A)) is characterized in that, in the first invention, a reinforcing member is attached to the end of the inner frame portion of the lower light control member. do.

Furthermore, a third invention of the present application (hereinafter referred to as the third invention) is characterized in that, in the second invention, the hook portion of the lower light control member is fixed to the reinforcing member.

Furthermore, a fourth invention of the present application (hereinafter referred to as the fourth invention) is characterized in that, in the second invention, the hook portion of the lower light control member is formed integrally with the reinforcing member.

(Function) In the first invention of the present application, since the inner frame is integrally formed with the lower louver, it is possible to reduce the number of parts and cost.

Also, when attaching the louver to the lighting fixture body, first fix the upper louver to the mounting member of the fixture body, and then attach the hook part of the inner frame integrally formed to the lower louver to the hook receiving part of the fixture body. to be locked.

The hook rotates the free end of the lower louver using the locking portion as a fulcrum, and the locking portion is releasably locked to the locking receiver of the instrument body.

As a result, the lower louver is correctly abutted against the upper louver and attached to the instrument body.

Therefore, according to the first invention, the light control member can be attached to the instrument body easily and quickly.

In the second invention of the present application, a reinforcing member is attached to the end of the inner frame of the lower light control member of the first invention, so that the strength of the second lower light control member can be increased.

Further, in the third invention, since the hook portion of the second invention is fixed to the reinforcing member, the strength of the hook portion on which the entire load of the lower louver is applied can be reinforced.

Furthermore, in the fourth invention, since the hook part is integrally formed with the reinforcing member having excellent strength in the second invention, the number of parts and cost can be reduced without causing a decrease in the strength of the hook part. can be achieved.

(Example) Hereinafter, Examples of the first to fourth inventions of the present application will be shown in Figures 1 to 1.
This will be explained based on FIG.

FIG. 1 is a longitudinal sectional view of an embodiment including the first to third inventions of the present application, and in the figure, a lighting fixture 11 is installed inside a flat box-shaped fixture body 12 fixed to a ceiling or the like. , a plurality of pairs of front and rear sockets 13, 13 are provided, and a plurality of straight tube-shaped fluorescent lamps 14, 14 are detachably attached to these sockets 13.

The device main body 12 has a mounting plate 12b, which is substantially parallel to the top plate 12a, fixed therein by welding, caulking, or the like.

The louver 15, which is a light control member, is made of aluminum, resin, etc.
Similar to the conventional lighting equipment shown in FIG.
It is constructed by assembling a vertical louver blade 15a extending substantially parallel to the axial direction and a plurality of horizontal louver blades 15b orthogonal thereto in a lattice shape on each outside of 4.14 and between the two. The blade 15a is vertically divided by a dividing line 16 into, for example, two upper vertical louvers 17.17 and one lower vertical louver 18.

The dividing line 16 is set over the entire length of the vertical louver blade 15 slightly inward (above in FIG. 1) from the inner end (upper end in FIG. 1) of the horizontal louver blade 15b, and extends along the entire length of the vertical louver blade 15. An outward flange 17a is provided at the lower end of the lower vertical louver 17 in the figure and at the upper end of the lower vertical louver 18 in the figure.

18a, and these outward flanges 17
a, 18a are matched against each other.

Each arc-shaped upper vertical louver 17 has a plurality of decorative screws 19 at its upper end on both ends in the longitudinal direction. ...Mounting plate 12
It is tightened and fixed to the inner surface of b.

As shown in FIG. 2, the lower vertical louver 18 includes arc-shaped left and right side plates 18b that fix both ends of a plurality of horizontal louver blades 15b;
18c and a substantially V-shaped intermediate plate 18d that intersects perpendicularly at the longitudinally intermediate portion of the horizontal louver blade 15b.Both longitudinal ends thereof are fixed by a front plate 18e and a rear plate 18f.

The lower ends of the openings of the left and right side plates 18b, 18c and the front and rear plates 18e, 18f are shown in FIGS. 3 and 4.
As shown in the figure, the folded end portion 20 is formed by folding back outward so that the cross-sectional shape forms a U-shape, and is bent over the entire circumference.

Inside the folded end portion 20, reinforcing members 21 each having a U-shaped shaft cross-sectional shape and made of metal such as iron or tin, or resin are fitted and fixed, and thin left and right side plates 18b,
18c, the strength of the front and rear plates 18e and 18f is reinforced.

However, regarding the reinforcing member 21 inserted into the folded end portion 20 along the outer surface of the left and right side plates 18b and 18c, the reinforcing member 21 is as shown in FIGS.
As shown in FIG. 7, the protruding end portion 15 of the horizontal louver blade 15b slightly protrudes outward from the outer surface of the left and right side plates 18b, 18C.
A notch 22 is formed in each of the U-shaped inner walls where the lower end portions of c interfere to escape from the interference.

Then, one side plate of the lower vertical louver 18, for example, the folded end 20 of 18b is attached at both ends in the longitudinal direction as shown in FIGS. 8 to 11.
A plurality of hooks shown in the figure are each provided with a metal fitting 23.

Each hook part 23 is made by bending the leading end 23a of a metal strip plate into a downward hook shape, while bending the rear end 22b into a U-shape that fits the U-shaped inner surface of the reinforcing member 22. Rear end 22b
is inserted into the reinforcing member 22 and fixed by caulking, welding, etc., and its tip 23a is extended outward in the perpendicular direction from the notch 22b of the outer wall 22a of the reinforcing member 22 and the outer wall of the folded end 20. , as shown in FIG.
The hooks drilled at the lower ends of the openings 2 are inserted into the holes 24, respectively, and are made to protrude slightly outward.

Therefore, as shown in FIG.
By hooking the downward hook-shaped tip 23a of the lower vertical louver 18, the hook can rotate the right end in the figure of the lower vertical louver 18 using the hook as a fulcrum.

As shown in FIG. 2, the right side plate 18c of the lower vertical louver 18 on the rotating end side has a
A plurality of fasteners 25 shown in FIGS. 12 to 14 are provided, respectively.

Each fastener 25 fixes the upper end of a spring plate 25a made of an elastic metal strip to the right side plate 18c, and fixes the lower end 25b, which is the free end of the spring plate 25a, to the bottom of the folded end 20. It is passed through and slightly hangs downward to form the operating end.

Further, a locking tongue piece 25c is provided at the lower part of the spring plate 25a and projects outward in a direction perpendicular to the outer surface of the spring plate 25a. It is adapted to engage freely in and out of the provided locking hole 26.

Therefore, by pushing the operating end 25b of each stopper 25 inward as shown by the arrow in FIG. 1 against the spring force, the locking tongue piece 25a and the locking hole 26 are locked. It is possible to lock it again by releasing it and, conversely, stopping its pushing.

Next, the operation of this embodiment will be described with respect to a method of attaching the louver 15 to the instrument body 12.

First, as shown in FIG.
b, connect the two upper vertical louvers 17 with a plurality of decorative screws 19.
．． Tighten and fix by...

Next, each hook of the lower vertical louver 18, in which a plurality of horizontal louver blades 15b are assembled together, connects the metal fittings 23 to the instrument body 1.
Insert each of the hooks 2 into the hole 24, and with each hook hooking the tip 23a of the metal fitting 23 onto the opening periphery of the hole 24, insert the right side plate 18c of the lower vertical louver 18 in the figure. Rotate in the direction of the arrow.

Here, attach the operating end 25b of each stopper 25 to its spring plate 2.
5a in the direction of the arrow in the figure (inward) to retreat the locking tongue piece 25c toward the inner side of the lower opening end of the instrument main body 12, and then push the locking tongue piece 25c toward the opening end of the instrument main body 12. Put it inside the room.

Next, when you stop pushing the operating end 25b, the spring plate 25a
Due to the elastic restoring force, the locking tongue piece 25c projects outward, is inserted into the locking hole 26, and is locked.

As a result, the outward flange 17a of each upper vertical louver 17
Then, the outward flanges 18a of the lower vertical louver 18 are properly abutted, and the louver 15 is attached to the instrument body 12. Also, by reversing this operation, the louver 15 can be moved to the instrument main body 1.
It can be removed from 2.

Therefore, according to this embodiment, the step of tightening and fixing each upper vertical louver 17 to the mounting plate 12b of the instrument main body 12 with the decorative screws 19, etc., and the hooking of the lower vertical louver 18 are performed by attaching the metal fittings 23 to the mounting plate 12b of the instrument main body 12. The hook is hooked into the hole 24, the other end of the lower vertical louver 18 is rotated using this as a fulcrum, and the stopper 25 is inserted into the locking hole 26 and locked. , the louver 15 can be reliably attached to the instrument main body 12 extremely easily and quickly.

Furthermore, the louver 15 can be easily and quickly removed from the instrument body 12.

Since the inner frame 5 of the conventional example shown in FIG. 17 is omitted, the number of parts and cost can be reduced.

In addition, since the hook fixed the metal fitting 23 to the reinforcing member 22,
The hook on which the entire load of the lower vertical louver 18 is applied is the metal fitting 23
Zero strength can be reinforced.

Note that the hook 23 may be replaced with a metal fitting 33 instead of the integral hook shown in FIG.
Since the reinforcing member 3 is integrally formed with the reinforcing member 22, it is possible to reduce both the number of parts and the cost.

〔Effect of the invention〕

As explained above, in the first invention of the present application, since the inner frame is formed integrally with the lower light control member, it is possible to reduce the number of parts and cost.

When attaching the light control member to the lighting fixture body, first fix the upper light control member to the mounting member of the fixture body, and then attach the hook part of the inner frame integrally formed to the lower light control member to the fixture body. Lock it to the hook holder on the main body.

The hook rotates the free end of the inner frame portion using the locking portion as a fulcrum, and the locking portion is removably locked to the locking receiver of the instrument body.

As a result, the lower light control member is correctly butted against the upper light control member and is attached to the instrument body.

Therefore, according to the present invention, the light control member can be easily and quickly attached to the instrument body.

In the second invention of the present application, since a reinforcing member is attached to the end of the inner frame of the lower light control member of the first invention, the strength of the lower light control member can be increased.

Further, in the third invention of the present application, since the hook portion of the second invention is fixed to the reinforcing member, the strength of the hook portion on which the entire load of the lower light control member is applied can be reinforced.

Furthermore, in the fourth invention of the present application, since the hook part is integrally formed with the reinforcing member having excellent strength in the second invention, the number of parts is reduced and the cost is reduced, although the hook part causes a decrease in the strength of the part. can be achieved.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of a main part of an embodiment of a lighting fixture including the first to third inventions of the present application, FIG. 2 is a perspective view of the lower louver and reinforcing member shown in FIG. 1, and FIG. is a partially enlarged perspective view of FIG. 2, FIG. 4 is a partially longitudinal sectional view of FIGS. 1 and 2, and FIG.
The figure is a partially enlarged perspective view of FIG. 2, FIG. 6 is a partial front view of FIG. 5, and FIG. 7 is a partial perspective view of the reinforcing member shown in FIG.
8 is a perspective view of the metal fittings shown in FIG. 1, etc., FIG. 9 is a sectional view taken along the IX-IX arrow in FIG. 12 is a perspective view of the stopper shown in FIG. 1, etc., FIG. 13 is a right side view of FIG. 12, FIG. 14 is a front view of FIG. 12, and FIG. 15 is a perspective view of the stopper shown in FIG. 4
FIG. 16 is a perspective view of a conventional louvered lighting fixture, and FIG. 17 is an enlarged perspective view of a main part of an embodiment of the invention.
It is an A-line sectional view. 11... Lighting fixture, 12... Fixture body, 13...
socket, 14... fluorescent lamp, 15... louver,
15a...Vertical louver blade, 15b...Horizontal louver blade, 16...Parting line, 17...Upper vertical louver, 18.
...Lower louver, 20...Folded end, 21...Reinforcement member, 23...Hatch is metal fitting, 24...Hatch is hole,
25... Stopping metal fitting, 26... Locking hole.

Claims (1)

[Scope of Claims] 1. A lighting fixture in which a lamp, a light control member for controlling light from the lamp, and an inner frame portion for supporting the light control member are provided in a lighting fixture body, wherein the light control member is formed integrally with the inner frame portion, and is formed separately into a lower light control member formed integrally with the inner frame portion and an upper light control member fixed to the device body, and the inner frame portion is formed integrally with the inner frame portion. A hook portion is formed at one end in the width direction of the frame portion, and a locking portion is formed at the other end,
A lighting device characterized in that the lighting device main body is provided with a hook receiving portion that detachably and rotatably receives the hook portion, and a locking receiving portion that detachably receives the locking portion. 2. The lighting device according to claim 1, further comprising a reinforcing member attached to an end of the inner frame portion of the lower light control member. 3. The lighting device according to claim 2, wherein the hook portion of the lower light control member is fixed to the reinforcing member. 4. The lighting device according to claim 2, wherein the hook portion of the lower light control member is integrally formed with the reinforcing member.