JPH07122108A - Luminaire fitting device - Google Patents

Abstract

PURPOSE:To surely prevent the unlocking of a lock from a locking step and the possible falling of an apparatus body by securely locking the lock to the locking step without being hitched on the way and restricting the inclination of the equipment mainframe with the protrusion if unreasonable force is applied to the equipment mainframe when in fitted condition. CONSTITUTION:A fitting 1 is hitched to a hitching ceiling 3, the mounting 14 of an equipment mainframe 2 is mounted to the fitting 1 and a lock 7 is locked to the locking step 5 of the fitting 1 to fit the equipment mainframe 2 to the fitting 1, and a connector 8 for the fitting 1 is connected to a connector socket 11 in the connection for electric connection. In this case, the protrusion 30 which is mounted to the mounting 14 to restrict the inclination of the equipment mainframe 2 to the fitting 1 is protruded on the lower face of the peripheral edge of the fitting 1, and so the inclination of the equipment mainframe 2 is restricted by the protrusion 30 when the equipment mainframe 2 is mounted to the fitting 1. The lock 7 is securely locked to the locking step 5 without being hitched on the way and the unlocking of the lock 7 from the locking step 5 is prevented.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Conventionally, there have been a lighting fixture mounting device for simultaneously making a mechanical connection and an electrical connection, and a lighting fixture mounting device for separately performing a mechanical connection and an electrical connection. There is an advantage that the attachment can be thinned. The conventional example is shown in FIG. That is, this lighting fixture mounting device has a plug blade (not shown) for hooking on the hooking ceiling 100 on the upper surface, and a fitting 102 having a locking step portion 101 on the side surface, and a fitting for fitting the fitting 102. Part 103
1 which has a hook and which is releasably locked to the locking step portion 101.
04 in the fitting portion 103, and the instrument body 105 having a connecting portion (not shown) for electrically connecting to the fixture 102. 106 is the ceiling.

The fitting portion 103 of the instrument body 105 is attached to the fixture 1.
When fitted with 02, the locking tool 104 locks on the locking step portion 101, and when the locking tool 104 is pulled to disengage from the locking step portion 101, the instrument body 105 is disengaged from the mounting tool 100.

[0004]

However, as shown in FIG. 8, when the lighting device mounting apparatus tilts the lighting device main body 105 by applying an excessive force to the lighting device main body 105 as shown in FIG.
5 is inadvertently detached from the fixture 102, and the instrument body 105
There was a risk of falling. Therefore, an object of the present invention is to provide a lighting fixture mounting device that can prevent the risk of dropping the fixture body.

[0005]

SUMMARY OF THE INVENTION A lighting fixture mounting device according to the present invention has a stopper blade on the upper surface for hooking on a hooking ceiling, and a fitting having a locking step portion on the side surface, and a fitting for fitting the fitting. And a fitting main body having a fitting portion, the fitting portion having the fitting portion for engaging and disengaging with the fitting step portion in the fitting portion, and the fitting body having a connecting portion electrically connected to the fitting. A projecting portion that fits in the joint portion and regulates the inclination of the instrument body with respect to the fitting is provided on the lower surface of the peripheral portion of the fitting.

[0006]

According to the lighting fixture mounting device of the first aspect, the fixture is hooked on the hook ceiling, the fitting portion of the fixture body is fitted to the fixture, and the locking tool is engaged with the locking step of the mounting tool. By stopping, the instrument body is attached to the fixture, and is electrically connected by connecting the connecting portion to the fixture.

In this case, since the projecting portion that fits into the fitting portion and restricts the inclination of the instrument body with respect to the fixture is provided on the lower surface of the peripheral edge portion of the fixture, the projecting portion is projected when the instrument body fits into the fixture. Since the inclination of the instrument body is regulated by the part, the locking tool can be securely locked to the locking step without hanging midway, and even if excessive force is applied to the instrument body when the instrument body is attached, it projects Since the inclination of the instrument main body is regulated by the portion, it is possible to reliably prevent the locking tool from coming off the locking step portion, and thus it is possible to reliably prevent the risk of the instrument main body falling. In addition, since the attachment can be attached to and detached from the hook ceiling using the protrusion, operability is good.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, this lighting fixture mounting device has a fixture 1 and a fixture body 2. First, the hook ceiling 3 is attached to the ceiling 49 with wood screws or the like.
A receiving blade (not shown) is provided inside the insertion opening 10 on the lower surface.

The attachment 1 has a publicly known plug blade (not shown) hooked on the hooking ceiling 3 on its upper surface, and has a locking step 5 on its side surface. Further, the connector 8 connected to the blade via the cord 9 is pulled out to the outside. Therefore, when the plug blade is inserted into the insertion opening 10 of the hook ceiling 3 and rotated in the clockwise direction, the plug blade is hooked and locked by the receiving blade to be in an attached state, and the plug blade is electrically connected to the hook ceiling 3. It will be.

Incidentally, a lock projection (not shown) is projected on the upper surface of the fitting 1 in a biased state, and is locked in a locking recess (not shown) of the hook ceiling 3 so that the fitting 1 is careless. Prevents disconnection. When removing the fixture 1, the fixture 1
The lock lever 16 provided in the concave portion 15 on the outer periphery of is pushed to retract the lock projection, and is released from the locking concave portion. The instrument body 2 has a fitting portion 14 into which the fitting 1 is fitted, and a fitting 7 that engages and disengages with the locking step portion 5 in the fitting portion 14. It has a connector receiver 11 which is a connecting portion for electrically connecting with the connector 8. The fixture main body 2 of the embodiment is provided with a plurality of lamp sockets 12 for mounting a straight tube fluorescent lamp on opposite ends thereof. Reference numeral 13 is a lighting block.

The fitting portion 14 is formed at the center of the instrument body 2 which serves as the center of gravity. As shown in FIG. 2, the locking member 7 has a penetrating portion 3 that allows the locking portion 31 to protrude from the inner surface of the tubular fitting portion 14.
5, a storage space 36 is formed on the outside of the penetrating part 35, the accommodating part 36 being housed in the lower surface thereof.
5, a spring 41 for biasing inwardly projecting from 5 is arranged in the storage space 36 and is closed by a cover 37.

The tip of the locking portion 31 is formed in an arcuate concave shape along the circumferential direction of the locking step portion 5, and the locking portion 31 is retracted when the fitting portion 14 is fitted to the fixture 1. Therefore, the upper edge has a guide taper 42, and the operation lever 39 of the locking portion 31 projects from the opening 38 in the lower surface of the storage space 36. Further, the width of the locking portion 31 is made larger than the width of the cutout opening of the concave portion 15 so that the locking portion 31 does not come off from the locking step portion 5.

The connector receiver 11 is connected to a lighting block 13 of the instrument body 1 via a lead wire 18. As shown in FIG. 3, the connector receiver 11 is fixed through one piece of a metal-made substantially L-shaped fixture 19 and the other piece of the fixture 19 is attached to the lower surface of the instrument body 2. Further, a protrusion 30 that fits in the fitting portion 14 and restricts the inclination of the instrument body 2 with respect to the fixture 1 is provided on the lower surface of the peripheral portion of the fixture 1.
In the embodiment, both end pieces of the substantially U-shaped metal fitting are bent to the same side in the plate thickness direction to form the pair of protruding portions 30, and the intermediate portion 32.
Is attached to the fixture 1 with screws 31.

When mounting the tool body 2, the tool body 2 is pushed up with the fitting 1 fixed to the hook ceiling 3 to fit the fitting portion 14 into the fitting 1, and the taper guide 42 of the locking portion 31 is attached. Is abutted against the periphery of the fixture 1 and pushed, the locking portion 31 retracts against the spring 41, and projects and locks at the position of the locking step portion 5. At this time, the inclination of the device body 2 is restricted by the side surface of the protruding portion 30. Further, the connector 8 can be easily attached / detached to / from the connector receiver 11 when the instrument body 2 is attached. On the other hand, when the operating lever 39 is pulled, the locking portion 31 is disengaged from the locking step portion 5, so that the instrument body 1 can be pulled down.

In this embodiment, the fitting 1 is hooked on the hooking ceiling 3, the fitting portion 14 of the instrument body 2 is fitted to the fitting 1, and the locking tool 7 is fitted to the locking step 5 of the mounting tool 1. By locking, the instrument body 2 is attached to the fixture 1, and is electrically connected by connecting the connector 8 of the fixture 1 to the connector receiver 11 of the connecting portion. In this case, since the protrusion 30 that fits into the fitting portion 14 and restricts the inclination of the instrument body 2 with respect to the fixture 1 is provided on the lower surface of the peripheral portion of the fixture 1,
When the instrument body 2 is fitted to the fixture 1, the protrusion 30 regulates the inclination of the instrument body 2, so that the retainer 7 can be reliably retained on the retaining step 5 without being interrupted, and Even if an unreasonable force is applied to the instrument body 2 when the instrument body 2 is attached, the inclination of the instrument body 2 is regulated by the protruding portion 30, so that the locking tool 7 is reliably prevented from coming off the locking step portion 5. Therefore, the risk of the instrument body 2 falling can be reliably prevented. Further, since the attachment 1 can be attached to and detached from the hook ceiling 3 by utilizing the protrusion 30, the operability is good.

A second embodiment of the present invention is shown in FIG. That is, in this lighting fixture attachment device, in the first embodiment, the rod-like body 28 is provided on the lower surface of the fixture 1, and both ends thereof are a pair of protrusions 30. A third embodiment of the present invention is shown in FIG. That is, in this lighting fixture attaching device, in the second embodiment, the intermediate portion of the rod-shaped body is eliminated,
That is, this is an example in which the protrusion 30 is formed in a cube.

A fourth embodiment of the present invention is shown in FIG. That is, in this second embodiment of the lighting fixture mounting device, four cubic protrusions 3 are provided on the lower surface of the peripheral portion of the fixture 1 in the second embodiment.
In this example, 0s are arranged substantially evenly. In this case, the connector 8
The cord 9 of the
Since the device body 2 is horizontally rotated in the direction of the arrow A while being locked to the fixture 1, the device body 2 is rotated once by rotating the cord 9 to an appropriate length. Since the cord 9 is pulled in the direction of the arrow B by the projecting portion 30 to disconnect the connector 8 from the connector receiver 11, it is possible to prevent the cord 9 from being twisted more than necessary and to prevent disconnection, which is safe. Further, by disconnecting the connector 8, it is possible to inform the user of this in the form of a defect of the luminaire.

[0018]

According to the lighting fixture mounting device of the present invention,
Since a plurality of protrusions that fit into the fitting part and regulate the inclination of the device body with respect to the fixture are provided on the lower surface of the peripheral edge of the fixture, when the device body fits into the fixture Since the inclination of the tool is regulated, the locking tool can be securely locked to the locking step without hanging in the middle, and even if an unreasonable force is applied to the tool body when the tool body is mounted, the tool body is Since the inclination of the locking device is restricted, it is possible to reliably prevent the locking tool from coming off the locking step portion, and thus to prevent the risk of the instrument body falling. Further, since the attachment can be attached to and detached from the hook ceiling using the protrusion, there is an effect that operability is good.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of a mounting process of the instrument body.

FIG. 3 is a perspective view of a fixture.

FIG. 4 is a perspective view of a fixture according to a second embodiment.

FIG. 5 is a perspective view of a fixture according to a third embodiment.

FIG. 6 is a partial plan view of an instrument body of a fourth embodiment in an attached state.

FIG. 7 is a partial cross-sectional view of a conventional device body in a mounted state.

FIG. 8 is a partial cross-sectional view of the instrument body in a tilted state immediately before falling.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixture 2 Instrument main body 3 Hook ceiling 5 Locking step 7 Locking tool 11 Connector receiving connector 14 Fitting part 30 Projecting part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hisakichi Nose 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Hiroyuki Mikami, 1048, Kadoma, Kadoma, Osaka Prefecture, Matsushita Electric Works, Ltd. (72) ) Inventor Takashi Yoshinari 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Masaaki Ichikawa, 1048, Kadoma City, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor, Yoshinori Fukushima Osaka East Osaka 1-55 Yoshida Shimojima, Shiga City Asahi National Lighting Co., Ltd.

Claims (1)

[Claims] 1. A fitting having a plug blade for hooking on a hooking ceiling on an upper surface and a locking step portion on a side surface, and a fitting portion for fitting the fitting to the locking step portion. An instrument main body having a locking tool that is detachably locked in the fitting portion, and a tool body having a connecting portion that electrically connects to the fitting tool, and a tool body for fitting the fitting tool to the fitting tool. A lighting fixture mounting device in which a protrusion that restricts the inclination of the fixture is provided on the lower surface of the peripheral portion of the fixture.