JP2000260221A - Attaching device for lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability without heightening the overall tool holder height. SOLUTION: This attaching device is provided with a hook type sealing body 2 having a locking stage 3 and which is disposed on a ceiling surface 2, and a tool main body 6 provided with a tool holder 4 having a fitting part 11 fitted to the hook type sealing main body 2, having a locking piece 5 disengageably advanced/retracted to/from the locking stage 3 on the fitting part 11, and having a spring protrusively energizing the locking piece 5 in the direction locked with the locking stage 3. The holder 4 is provided with a recessed part 12a opened and communicated to both of a lower surface and the fitting part 11, and in the locking piece 5, a releasing operation part 17 is protrusively disposed in a lower direction for releasing the locking piece 5 from the locking stage 3 against the spring, and the releasing operation part 17 is disposed in the recessed part 12a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for attaching a lighting fixture to a wiring fixture such as a hanging ceiling body.

[0002]

2. Description of the Related Art A lighting fixture mounting apparatus of a conventional example (for example, actual registration No. 2577174) is, for example, as shown in FIG.
Hook ceiling body 101 installed on ceiling surface 100
The tool holder 103 of the tool body 109 is
The tool main body 109 is attached to the hooking sealing body 101 by locking the locking pieces 104 provided on the ceiling sealing body 101.

The locking piece 104 is housed in the instrument holder 103 so that the locking claw 105 can be engaged with and disengaged from the locking step 102, and the locking claw 105 is attached to the extension direction by a spring 106. I'm going.

[0004]

The operability has been improved by projecting the releasing operation portion 108 of the locking piece 104 downward from the instrument holder 103.
By increasing the height 08, the height H of the locking piece 104 is increased, so that the total height t of the instrument holder 103 is increased. As a result, the thickness of the instrument body 109 is increased, and the thickness of the instrument body 109 is reduced. Had given regulations.

Accordingly, it is an object of the present invention to provide a lighting fixture mounting apparatus capable of improving operability without increasing the overall height of a fixture holder.

[0006]

According to a first aspect of the present invention, there is provided a lighting fixture mounting apparatus including a wiring fixture having a locking step and installed on a ceiling surface, and a fitting portion fitted to the wiring fixture. An instrument provided with an instrument holder having a locking piece that removably advances and retreats to the locking step at the fitting portion, and a spring that protrudes and biases the locking piece in a direction of locking the locking piece to the locking step. A main body, wherein the device holder has a concave portion communicating and opening to both the lower surface and the fitting portion, and the locking piece operates to release the locking piece from the locking step against the spring. The release operation part is provided so as to project downward, and the release operation part is arranged in the recess.

According to the lighting apparatus mounting apparatus of the first aspect, since the release operation section is disposed in the recess, a wide operation surface can be secured, so that the operability when removing the apparatus can be improved, and Since the height of the release lever can be reduced, the height of the tool holder can be reduced, the tool body can be made thinner, and the whole tool can be made thinner and the lamp image can be improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. That is, the lighting fixture mounting apparatus is configured such that a locking piece 5 provided on a fixture holder 4 is locked to a wiring fixture installed on a ceiling surface 1, for example, a locking step 3 of a hanging ceiling body 2. 6 is attached to the hooking sealing body 2. The instrument holder 4 is attached to the central opening 6a of the instrument body 6. A board 30 on which an electronic lighting circuit is mounted, a molded insulating plate 31 for holding the board and insulating the body from the board 30;
The switch 32, the lamp socket 33 and the like are housed and covered by the main body cover 35. The glove 36 is the instrument body 6
Are held by a glove receiving bracket 37 provided in the rim. In FIG. 1, reference numeral 7 denotes a plug which is connected to a lighting circuit of the fixture body 6 and is hooked in a hook hole 2a of the hook sealing body 2 passing through the fixture holder 4. Reference numeral 9 denotes a lamp supported by a lamp support spring 38 provided in the fixture body 6. Socket 33
Are two ring-shaped fluorescent lamps, 10 is a bead ball socket provided on the molded insulating plate 31, 39 is a bead ball, 40 is a glove stopper which is engaged with the glove holder 37, and 44 is a switch lever. .

As shown in FIG. 2, the instrument holder 4 has a locking piece 5, a cover 14, and a spring 24, and has a structure shown in FIG. 3 when assembled. That is, the tool holder 4
Is attached to the center of the instrument body 6 by a fixture (not shown), and has a hole formed in the center thereof so as to penetrate the hooking sealing body 2. Recesses 1 opened on the lower surface of lamp holder 4 and the inner peripheral surface of fitting portion 11 on both sides of fitting portion 11
2, a pair of ridges 13 extending in the radial direction of the fitting portion 11 are provided on both sides of the bottom surface 23 of the concave portion 12 as viewed from the lower surface, and a cover 14 is attached to an opening on the lower surface side of the concave portion 12 so as to be engaged. An opening for projecting only the locking claw 18 at the distal end of the fitting portion of the stopper 5 in the radial direction is left. The cover 14 also has a concave portion 12a which is open to both the lower surface and the inner peripheral surface of the fitting portion 11 in a manner substantially similar to the concave portion 12, and further has an operating portion opening 15 for the locking piece 5.

The locking piece 5 has the locking claw 18 of the locking piece 5 always projecting toward the center of the hole of the fitting portion 11 by the spring 24.
The tapered surface 8 slides outward and fits into the locking step 3. The locking piece 5 has a substantially inverted L-shape including a horizontal piece 16 and a release operation portion 17 that is a vertical piece, and the tip of the horizontal piece 16 is the same as the circumferential surface of the fitting portion 11 as shown in FIG. The locking claw 18 is formed on an arcuate surface having a curvature, and a tapered surface is formed on an upper side thereof. The release operation portion 17 is formed so as to be thinner as the distance from the horizontal piece 16 increases, and the surface facing the locking claw 18 is formed as a concave curved surface, and the surface thereof forms anti-slip irregularities 19 to which an operation finger contacts. A spring receiver 20 and a projection 21 parallel to the horizontal piece 16 are provided on the side of the release operation unit 17 opposite to the locking claw 18. Release operation part 17 of this locking piece 5
Through the opening 15 of the cover 14, and
The lower surface of the side 8 and the lower surface of the protrusion 21 abut against the cover 14, and the cover 14 is attached to the opening of the concave portion 12 of the holder 4 so that the locking claw 18 slides between the cover 14 and the bottom surface 23 of the concave portion 12. Make it pass freely. At this time, both side portions of the horizontal piece 16 abut against the ridge 13 and the horizontal piece 16
A gap is formed between the central portion of the locking member 5 and the portion of the bottom surface 23 between the protrusions 13 so that a load is not applied at the center of the locking piece 5. Further, the cover 14 is
For example, a spring 24 using, for example, a coil spring is interposed between the spring receiving portion 20 of the locking piece 5 and the bottom of the recess 12 as viewed from the fitting portion 11 side. The pawl 18 is biased to project into the fitting portion 11. Further, the release operation unit 17 is dimensioned so as to be disposed in the recess 12 a of the cover 14.

When the tool main body 6 with the tool holder 4 attached thereto is pushed into the hooking sealing body 2 as shown in FIG. 3, the tapered surface of the locking claw 18 projecting from the tool holder 4 into the fitting portion 11 is engaged. When the stop step 3 is reached, the taper surface of the locking claw 18 slides along the locking step 3 and retreats against the spring 24 in accordance with the pushing force of the instrument body 6, and the locking claw 18 is positioned above the locking step 3. When it is positioned, the locking claw 18 is projected by the restoring force of the spring 24, and the lower surface of the locking claw 18 is locked on the upper surface of the locking step 3. When the lifting force of the instrument body 6 is released, the instrument body 6
At the same time, the instrument holder 4 is lowered, and the protruding ridges 13 are in contact with and supported on both sides of the locking pieces 5. When removing the luminaire from the hooking ceiling body 2, when the finger is inserted into the concave portion 12a and the release operation portion 17 slides outward with respect to the center against the spring 24, the locking claw 18 comes off from the locking step 3. Lighting fixtures can be removed.

According to this embodiment, since the concave portion 12a is formed in the cover 14 of the instrument holder 4, the locking piece 5
When the locking piece 5 is operated with a finger by widening the operation space of the release operation unit 17, obstacles can be eliminated. In addition, since the locking piece 5 can be made substantially the same height as the instrument holder 4, the total height of the instrument holder 4 can be reduced.

Therefore, as shown in FIG. 4, the thickness t of the main body shown in the conventional example (FIG. 5) can be reduced by the dimension d, so that the apparatus main body 6 can be made small and thin, and the operability of the locking piece 5 can be achieved. Can be improved. Therefore, it is possible to realize an instrument mounting device of a construction-saving method which can be mounted and removed by one-touch operation.

Although the above-mentioned lighting apparatus is directly attached to the engaging step 3 of the hanging ceiling body 2 by the engaging claw 18, the apparatus is connected to the engaging step of the adapter electrically and mechanically connected to the engaging ceiling body. The lighting fixture may be indirectly attached to the hanging ceiling body by engaging the engaging claw of the holder.

Although the locking step 3 is formed by a collar, the locking step 3 may have another shape, for example, a convex portion or a circumferential groove.

[0016]

According to the lighting apparatus mounting apparatus of the first aspect, since the release operation section is arranged in the recess, a wide operation surface can be secured, so that the operability when removing the apparatus can be improved. At the same time, since the height of the release lever can be reduced, the height of the tool holder can be reduced, the tool body can be made thinner, and the entire tool can be made thinner and the lamp image can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighting device to which an embodiment of the present invention is applied.

FIG. 2 is an exploded perspective view of the instrument holder.

FIG. 3 is a partial cross-sectional view of the instrument holder in a state where a hooking sealing body is attached.

FIG. 4 is a partial cross-sectional side view for explaining the thinness of the conventional example.

FIG. 5 is a partial sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling surface 2 Hook sealing body 3 Locking step 4 Tool holder 5 Locking piece 6 Device main body 11 Fitting part 12a Depression 14 Cover 16 Horizontal piece 17 Release operation part 18 Locking claw 24 Spring

 ──────────────────────────────────────────────────の Continuing from the front page (72) Inventor Yosuke Masaki 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. Inside (72) Inventor Ken Imai 1-55 Yoshida Shimojima, Higashi Osaka City, Osaka Asahi National Lighting Stock Inside the company (72) Inventor Satoshi Yajima 1-55 Yoshida Shimojima, Higashiosaka-shi, Osaka Asahi National Lighting Co., Ltd.

Claims (1)

[Claims] 1. A wiring device having a locking step and installed on a ceiling surface, and a locking piece having a fitting portion fitted to the wiring device and reciprocally moving forward and backward with the locking step. An instrument main body having an instrument holder having a spring which is provided at the fitting portion and which urges the engaging piece to the engaging step in a direction for engaging the engaging step, wherein the instrument holder has a lower surface and the fitting portion. The locking piece has a release operating portion projecting downward to release the locking piece from the locking step against the spring. A lighting fixture mounting device, which is arranged in the recess.