JPH06139811A - Luminaire fitting device - Google Patents

Abstract

PURPOSE:To provide a luminaire fitting device capable of increasing the allowable load and having a smart adapter shape. CONSTITUTION:A luminaire fitting device is provided with a hook rosette 2 fixed to the ceiling 1, an adapter 4 having a hook plug 3 connected to the hook rosette 2, and a luminaire fitted to the adapter 4 and receiving electric power. The inner diameter of a recess 6 on the upper face of the adapter 4 is set slightly larger than the maximum lateral width of the hook plug 3, the adapter 4 is rotatably guided on the inside of the recess 6 against the outside of the hook plug 3, and the hook plug 3 is extracted by a cord 7 at the recess 6. Lug pieces 9 are fixed on the ceiling 1, and projection pieces 10 protruded to the outside at the upper end of the adapter 4 are supported by the lug pieces 9 when the adapter 4 is rotatably guided on the inside of the recess 6 against the outside of the hook plug 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting a lighting fixture on a ceiling.

[0002]

2. Description of the Related Art It has been recently developed to mount a lighting device via a adapter to a hanging rosette fixed to a ceiling.

[0003]

However, if the adapter is simply attached to the hook rosette, the allowable load of the hook rosette itself is limited to 5 kg or less.
There is a limit to the weight of the luminaire that can be attached via the adapter. Therefore, there are proposals to solve this, but it is still hard to say that it is appropriate. It is an object of the present invention to provide a lighting fixture mounting device having a smart adapter shape that can result in an increase in allowable load.

[0004]

SUMMARY OF THE INVENTION The present invention comprises a hanging rosette fixed to the ceiling, an adapter having a hanging plug connected to the hanging rosette, and a lighting fixture attached to the adapter and receiving power. The inner diameter of the recess on the upper surface is set to be slightly larger than the maximum width of the hook plug, and the adapter is rotatably guided inside the recess with respect to the outside of the hook plug.
The hook plug is pulled out by a cord in the recess, and ear pieces are further fixed to the ceiling, and the protruding piece protruding outward at the upper end of the adapter allows the adapter to rotate with respect to the outside of the hook plug inside the recess. And a lighting fixture mounting device supported by the ear piece by being guided by the earpiece. Further, in this structure, a screw is directly fixed to the ceiling instead of the ear piece, and the adapter is rotatably guided inside the recess with respect to the outside of the hooking plug, so that the protruding piece is attached to the screw. May be supported.

Next, a spring member may be provided on the bottom surface of the recess of the adapter, and the spring member may be configured to repel the bottom surface of the hooking plug at least when the hooking rosette is a rectangular hooking rosette.

Next, on a certain straight line, the inner diameter of the recess on the upper surface of the adapter is set to be slightly larger than the maximum lateral width of the hook plug, and the adapter is rotatably guided inside the recess with respect to the outside of the hook plug. It is also possible that the inner diameter of the recess is set so that the hook plug cannot be housed on a straight line orthogonal to the straight line.

[0007]

According to the present invention, the inner diameter of the recess on the upper surface of the adapter is set to be slightly larger than the maximum lateral width of the hook plug, and the adapter is rotatably guided inside the recess with respect to the outside of the hook plug. . Supporting the protruding piece of the adapter to the ear piece is completed by connecting the hooking plug to the hooking rosette and pushing up the adapter to rotate the hooking plug accommodated in the recess. And bring a smart adapter shape. Even when the screw is directly fixed to the ceiling instead of the ear piece, the adapter is rotatably guided inside the recess with respect to the outside of the hooking plug so that the protruding piece is supported by the screw. .

Next, a spring member is provided on the bottom surface of the concave portion of the adapter, and the spring member is configured to repel the bottom surface of the hook plug when at least the hook rosette is a square hook rosette. , It is possible to prevent the lighting fixture from being difficult to set on the adapter because there is no means for restricting upward movement of the adapter due to the square hook rosette that has the same outer diameter as the hook plug entering the recess of the adapter. . That is, the adapter is repulsed downward by the spring member, which facilitates setting the lighting fixture on the adapter. On the other hand, if the hook rosette is a round hook rosette, the outside diameter of this hook rosette is considerably larger than the outside diameter of the hook plug, so the lower surface of this hook rosette is on the upper peripheral edge outside the recess of the adapter. By contacting, the upward movement of the adapter is regulated, and there is no problem in setting the lighting device on the adapter.

Next, on a straight line, the inner diameter of the recess on the upper surface of the adapter is set to be slightly larger than the maximum lateral width of the hooking plug, and the adapter is rotatably guided inside the recess to the outside of the hooking plug. In the configuration in which the inner diameter of the recess is set so that the hook plug cannot be housed on the straight line orthogonal to the straight line, the rotation angle of the adapter is restricted when the adapter is supported by the ear piece or the screw on the ceiling side. As a result, unnecessary twisting of the hook plug cord does not occur.

[0010]

Embodiments of the present invention will be described with reference to the drawings.

In the embodiment shown in FIGS. 1 to 6 and 9, the hooking rosette 2 fixed to the ceiling 1, the adapter 4 having the hooking plug 3 connected to the hooking rosette 2, and the adapter 4 attached to the adapter 4 and receiving power. And a lighting device 5. The inner diameter of the recess 6 on the upper surface of the adapter 4 is set to be slightly larger than the maximum lateral width L1 of the hook plug 3 (here, the diagonal dimension), and the adapter 4 is rotatable inside the recess 6 with respect to the outside of the hook plug 3. And the hook plug 3 is pulled out by the cord 7 in the recess 6. Further, the ear piece 9 is fixed to the ceiling 1, and the protruding piece 10 that protrudes outward at the upper end of the adapter 4 has the adapter 4 inside the concave portion 6 of the hook plug 3
It is supported by the ear piece 9 by being rotatably guided to the outside. Further, as shown in FIGS. 7 and 8, a screw 8 is directly fixed to the ceiling 1 instead of the ear piece, and the adapter 4 is rotatably guided inside the recess 6 with respect to the outside of the hooking plug 3. The protruding piece 10 may be supported by the screw 8 by doing so.

When the hook rosette 2 is a round hook rosette 2 as shown in FIGS. 1 and 2, the outer diameter of the hook rosette 2 is considerably larger than the outer diameter of the hook plug 3.
The lower peripheral portion of the hooking rosette 2 abuts on the upper peripheral edge portion of the adapter 4 outside the concave portion 6 so that upward movement of the adapter 4 is restricted and the lighting fixture 5 is moved to the adapter 4
There is no problem to set to. On the contrary, in order to deal with the case where the hook rosette 2 is a rectangular hook rosette 2 as shown in FIGS. 5, 6 or 7, 8, a spring member 11 is provided on the bottom surface of the recess 6 of the adapter 4, and this spring member 11 is It is configured to repel the bottom surface of the hook plug 3. As a result, when the adapter 4 is attached, the rectangular hooking rosette 2 having the same outer diameter as the hooking plug 3 enters the concave portion 6 of the adapter 4, so that there is no means for restricting the upward movement of the adapter 4. It is possible to prevent the lighting fixture 5 from being difficult to set on the adapter 4. That is,
The adapter 4 is repulsed downward by the spring member 11,
It becomes easy to set the lighting fixture 5 on the adapter 4.

Next, as shown in FIGS. 3 and 4, on a straight line, the inner diameter D1 of the recess 6 on the upper surface of the adapter 4 is set to be slightly larger than the maximum lateral width L1 of the hooking plug 3,
The adapter 4 is rotatably guided inside the recess 6 with respect to the outside of the hook plug 3, and the inner diameter D2 of the recess 6 is set to D2 <L2 so that the hook plug 3 cannot be housed on a straight line orthogonal to the straight line. When set, the turning angle of the adapter 4 is restricted when the adapter 4 is attached to the ear piece 9 or the screw 8 on the ceiling 1 side, and unnecessary twisting of the cord 7 of the hook plug 3 does not occur. Claim 1 also includes setting the inner diameter of the recessed portion 6 so that the rotation angle of the adapter 4 can be regulated within a predetermined rotation angle. The inner diameter of the recess 6 is set to be slightly larger than the maximum lateral width L1 of the hook plug 3 over the entire circumference, and the adapter 4 reaches the twist limit of the cord 7 inside the recess 6 with respect to the outside of the hook plug 3. Of course, it is also possible to use a structure in which the guide is rotatably and practically unlimited.

Next, the lighting fixture 5 is attached to the adapter 4 by lifting the lighting fixture 5 and inserting the adapter 4 into the recess 17. At this time, the locking portion 18 elastically biased in the direction of the recess 17 by the spring (not shown) fits into the locking portion 19 of the adapter 4, and the power receiving portion 20 protruding in the direction of the recess 17 extends from the lower surface to the side surface of the adapter 4. It is connected to the power feeding portion 22 in the formed slit 21. The lighting fixture 5 may receive power by inserting a plug (not shown) into the power supply port 23 on the lower surface of the adapter 4, and the attachment of the lighting fixture 5 to the adapter 4 and the electrical connection method are arbitrary. The case material of the adapter 4 includes the protruding piece 10 and is preferably a metal material.

The engaging portion 19 of the adapter 4 has two upper and lower portions.
There is a step, and the upper locking portion 19 is used in FIGS. 2 and 6, and the lower locking portion 19 is used in FIG. Further, when the adapter 4 is attached to the ear piece 9, the small protrusion 10a at the lower end portion of the projecting piece 10 rides over the upper surface of the ear piece 9 and locks on the side surface of the ear piece 9 to prevent the adapter 4 from returning. To be prevented. Further, in the example of FIGS. 7 and 8, the screw 8 is the protruding piece 10
It is slid into the notch 10b at the root of the.

According to this embodiment, the inner diameter of the recess 6 on the upper surface of the adapter 4 is set to be slightly larger than the maximum lateral width L1 of the hook plug 3, so that the adapter 4 is located inside the recess 6 with respect to the outside of the hook plug 3. And is rotatably guided.
In order to support the protruding piece 10 of the adapter 4 on the ear piece 9, the hooking plug 3 is connected to the hooking rosette 2, and the adapter 4 is pushed up to rotate the hooking plug 3 in the recessed portion 6. Complete. And bring a smart adapter shape. Even when the screw 8 is directly fixed to the ceiling 1 instead of the ear piece 9, the adapter 4 is rotatably guided inside the recess 6 with respect to the outside of the hooking plug 3, and thus the protruding piece 10 is provided. Are supported by the screw 8.

Next, a spring member 11 is provided on the bottom surface of the recess 6 of the adapter 4, and the spring member 11 is configured to repel the bottom surface of the hook plug 3 when at least the hook rosette 2 is a square hook rosette. When the adapter 4 is attached, a rectangular hook rosette having the same outer diameter as the hook plug 3 enters the recess 6 of the adapter 4, so that there is no means for restricting the upward movement of the adapter 4, so that the lighting fixture 5 Can be prevented from being difficult to set in the adapter 4. That is, the adapter 4 is repulsed downward by the spring member 11, and it becomes easy to set the lighting fixture 5 on the adapter 4. On the contrary, if the hook rosette 2 is a round hook rosette, the outer diameter of the hook rosette 2 is considerably larger than the outer diameter of the hook plug 3, so that the lower peripheral portion of the hook rosette 2 is recessed in the adapter 4.
The movement of the adapter 4 in the upward direction is regulated by contacting the outer peripheral edge portion on the outer side, and there is no problem in setting the lighting fixture 5 on the adapter 4.

Next, on a straight line, the adapter 4
The inner diameter of the recess 6 on the upper surface is set to be slightly larger than the maximum lateral width L1 of the hooking plug 3, and the adapter 4 is rotatably guided inside the recess 6 with respect to the outside of the hooking plug 3 and is orthogonal to the straight line. On the straight line
In the configuration in which the inner diameter of is set so that the hook plug 3 cannot be stored, the adapter 4 is attached to the ear piece 9 or the screw 8 on the ceiling 1 side.
The rotation angle of the adapter 4 is restricted when it is supported, and unnecessary twisting of the cord 7 of the hook plug 3 does not occur.

[0019]

As described above, according to the present invention, there is provided a lighting fixture mounting device having a smart adapter shape capable of increasing the allowable load.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention when not attached.

[Figure 2] Front view of the same installation

FIG. 3 is a partial perspective view showing an upper surface of the adapter.

FIG. 4 is a bottom perspective view of the same.

FIG. 5 is a front view of the other embodiment of the present invention when not attached.

[Figure 6] Front view of the same installation

FIG. 7 is a front view of a still another embodiment of the present invention when not attached.

[Figure 8] Front view of the same installation

FIG. 9 is a perspective view showing a part of the upper surface of the lighting fixture.

[Explanation of symbols]

 1 Ceiling 2 Hooking Rosette 3 Hooking Plug 4 Adapter 5 Lighting Fixture 6 Recess 7 Cord 8 Screw 9 Ear Piece 10 Projecting Piece 11 Spring Member

Claims (4)

[Claims] 1. A hooking rosette fixed to a ceiling, an adapter having a hooking plug connected to the hooking rosette, and a lighting fixture attached to the adapter and receiving power, the inner diameter of a recess on the upper surface of the adapter being a hooking plug. Is set to be slightly larger than the maximum width of the hook, the adapter is rotatably guided inside the recess with respect to the outside of the hook plug, and the hook plug is pulled out by the cord in the recess, and is further attached to the ceiling. The ear piece is fixed, and the protruding piece protruding outward at the upper end of the adapter is attached to the ear piece by the adapter being rotatably guided inside the concave portion with respect to the outside of the hook plug. apparatus. 2. A screw is directly fixed to the ceiling instead of the ear piece, and the adapter is rotatably guided inside the recess of the adapter with respect to the outside of the hook plug so that the protruding piece is supported by the screw. The luminaire mounting apparatus according to claim 1. 3. The luminaire according to claim 1, wherein a spring member is provided on the bottom surface of the recess of the adapter, and the spring member is configured to repel the bottom surface of the hooking plug when at least the hooking rosette is a square hooking rosette. Mounting device. 4. On a straight line, the inner diameter of the recess on the upper surface of the adapter is set to be slightly larger than the maximum lateral width of the hook plug, and the adapter is rotatably guided inside the recess with respect to the outside of the hook plug. The lighting fixture mounting device according to any one of claims 1 to 3, wherein the inner diameter of the recess is set so that the hook plug cannot be housed on a straight line orthogonal to the straight line.