JPH07122107A - Luminaire fitting device - Google Patents

Abstract

PURPOSE:To prevent the possible falling of a lyminarire by providing a connector stopper means to prevent the disconnection of a connector from a connector socket so that the apparatus body can be securely supported by the connector stopper means even when a lock is unlocked from a locking step. CONSTITUTION:A fitting 1 is hitched to a hitching ceiling 3 and a lock 7 for an apparatus body 2 is locked to the locking step 5 of the fitting 1 to mount the apparatus body 2, and a connector 8 is connected to a connector socket 11 for electric connection. A connector stopper means prevents the disconnection of the connector 8 from the connector socket 11 following tensile strength applied to a cord 9 with the apparatus body 2 lowered when the lock 7 is unlocked from the locking step 5. In this way, even when the lock 7 is unlocked from the locking step 5, the apparatus body 2 is securely supported by the connector stopper means and the possible falling of the equipment 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.

[0003]

SUMMARY OF THE INVENTION However, in a lighting fixture mounting device that separates the mechanical connection and the electrical connection from each other, when an excessive force is applied to the fixture main body, the fixture main body and the fixture are inadvertently separated from each other. However, there was a risk that the instrument body would fall. Therefore, an object of the present invention is to provide a lighting fixture mounting device that can prevent the risk of dropping of the fixture body.

[0004]

According to a first aspect of the present invention, there is provided a lighting fixture mounting device having a plug blade hooked on a hook ceiling on an upper surface and a locking step portion on a side surface, which is connected to the plug blade via a cord. The connector that has been pulled out to the outside, an insertion portion that inserts the attachment and the connector, and a locking tool that is removably locked to the locking step, An instrument body having a connector receiver that is detachably connected to the lower surface is fixed, and a pulling force applied to the cord as the instrument body descends when the locking tool is disengaged from the locking step, the connector is And a connector detachment preventing means for preventing the connector from being detached from the connector receiver.

According to a second aspect of the present invention, there is provided a lighting fixture mounting device.
In the above, the connector disengagement preventing means is arranged by arranging the connector receiving surface so that the receiving surface of the connector receiving member faces the insertion portion of the fixture.
The lighting fixture mounting device according to claim 3, wherein in the connector detachment preventing means, the connector receiver is parallel to the lower surface of the fixture body, and the receiving surface of the connector receiver faces the insertion portion of the fixture. Further, the connector receiver is fixed to the instrument body so as to be slightly rotatable in the direction of approaching the lower surface, and a hook portion is provided at a position facing the connector on the lower surface in a state where the connector is connected to the connector receiver. When the locking device is disengaged from the locking step portion, the connector receiver is rotated by the pulling force applied to the cord by the weight of the instrument body, and the connector is hooked on the hook portion. It is intended to prevent the connector from being detached from the connector receiver when it is hung.

[0006]

According to the lighting fixture mounting device of the first aspect, the fixture main body is attached by hooking the fixture on the hook ceiling and locking the fixture of the fixture main body with the locking step of the fixture, and Electrical connection is made by connecting the connector to the connector receiver. In this case, when the locking tool is disengaged from the locking step portion, connector detachment preventing means for preventing the connector from being disengaged from the connector receiver by a tensile force applied to the cord as the instrument body descends. Since it has, the device main body can be surely supported by the connector detachment preventing means even if the engaging tool is disengaged from the engaging step portion,
It is possible to prevent the risk of dropping equipment. Further, since the connector receiver is fixed to the instrument body, it is not necessary to attach and detach the connector receiver and the connector with both hands, and the connection can be performed with one hand, which facilitates connection work.

According to a second aspect of the present invention, there is provided the lighting fixture mounting device according to the first aspect, wherein the connector detachment preventing means is arranged such that a receiving surface of the connector receiving member faces the insertion portion of the fixture. Because it is configured by
In addition to the function of claim 1, a tensile force is applied to the cord in a direction opposite to the direction in which the connector is detached from the connector receiver, and the connector is not detached from the connector receiver. You can

According to a third aspect of the present invention, there is provided a lighting fixture mounting device according to the first aspect, wherein in the connector detachment preventing means, the connector receiver is parallel to the lower surface of the fixture body and the receiving surface of the connector receiver is the fixture. The connector receiver is fixed to the instrument body so as to be slightly rotatable in a direction toward the insertion portion and closer to the lower surface, and faces the connector on the lower surface in a state where the connector is connected to the connector receiver. It is configured by providing a hooking portion at a position, and when the locking tool is disengaged from the locking step, by the pulling force applied to the cord by the self-weight of the instrument body,
2. The connector is rotated to prevent the connector from being detached from the connector receiving part when the connector is hooked on the hooking part. Therefore, the hooking part is detached from the connector receiving part. It becomes an obstacle of movement,
Since the connector cannot be removed from the connector receiver, it is possible to prevent the instrument body from dropping with a simple configuration.

[0009]

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 fitting 1 has a publicly known blade (not shown) hooked on the hooking ceiling 3 on its upper surface, has a locking step portion 5 on its side surface, and is connected to the blade via a cord 9. The connector 8 is pulled out. 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. A lock projection (not shown) is projected on the upper surface of the fixture 1 in a biased state and is locked in a locking recess (not shown) of the hook ceiling 3 to prevent the fixture 1 from being accidentally detached. is doing. When the mounting tool 1 is removed, the lock lever 16 provided in the recess 15 on the outer periphery of the mounting tool 1 is pushed to retract the locking projection and disengage from the locking recess.

The instrument body 2 includes a fixture 1 and a connector 8.
Has an insertion portion 14 through which the connector is inserted, and a locking tool 7 that releasably engages with the locking step portion 5, and a connector receiver 11 that is detachably connected to the connector 8 is fixed to the lower surface. 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. 1
3 is a lighting block.

The insertion portion 14 is formed in the center of the instrument body 2 which is the center of gravity. The locking member 7 is provided in the insertion portion 14, and has a tubular portion 47 that fits into the fitting 1 at the center.
7 has a hole 35 through which the locking portion 31 projects, and the hole 3
5, a storage space 3 with an open lower surface for storing the locking portion 31 outside
6, a spring 41 for biasing the locking portion 31 to project inward from the hole 35 is arranged in the storage space 36, and is closed by the cover 37.

The engaging portion 31 has a distal end formed in an arcuate concave shape along the circumferential direction of the engaging step portion 5 and is for retracting the engaging portion 31 when the tubular portion 47 is fitted to the fixture 1. The upper edge has a guide taper 42, and the opening 3 of the cover 37
The operating lever 39 of the locking portion 31 projects from the position 8. 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. In this case, the receiving surface for connecting the connector 8 of the connector receiver 11 is the insertion portion 14
By being arranged so as to be in the opposite direction, the connector detachment preventing means is configured. This connector disengagement preventing means prevents the connector 8 from being disengaged from the connector receiver 11 by the pulling force applied to the cord 9 as the instrument body 2 descends when the engaging tool 7 disengages from the engaging step portion 5. . It should be noted that the connector 8 and the connector receiver 11 are both known ones.

When mounting the instrument body 2, the fixture 1 is fixed to the hook ceiling 3 and the instrument body 2 is pushed up to fit the tubular portion 47 of the fastener 7 into the fixture 1. The taper guide 42 comes into contact with the peripheral edge of the fixture 1 and is pushed, and the locking portion 31 retracts against the spring 41, and projects and locks at the position of the locking step portion 5. Instrument body 2 in this state
A portion of the upper surface of the above away from the central portion approaches the ceiling 49.
Further, in this state, the connector 8 can be easily attached to and detached from the connector receiver 11. 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 fixture body 2 is attached by hooking the fixture 1 on the hooking ceiling 3 and locking the fixture 7 of the fixture body 2 on the locking step 5 of the fixture 1,
Further, the connector 8 is electrically connected by connecting to the connector receiver 11. According to this embodiment, the connector 8 is prevented from being disengaged from the connector receiver 11 by the pulling force applied to the cord 9 as the instrument body 2 is lowered when the engaging member 7 is disengaged from the engaging step portion 5. Since the connector disengagement prevention means is provided, the connector main body 2 can be reliably supported by the connector disengagement prevention means even if the locking tool 7 is disengaged from the locking step portion 5, so that the risk of the equipment falling can be prevented. .

In particular, the connector detachment preventing means is constructed by disposing the connector receiving surface of the connector receiver 11 in the opposite direction to the insertion portion 14 of the fixture 1, so that the connector 8 is detached from the connector receiver 11. Since a tensile force is applied to the cord 9 in the opposite direction to the connector 8 so that the connector 8 does not come off from the connector receiver 11, it is possible to prevent the instrument body 2 from dropping with a simple configuration.

Further, since the connector receiver 11 is fixed to the instrument main body 2, it is not necessary to attach / detach the connector receiver 11 and the connector 8 with both hands, and it is possible to perform connection work with one hand. Especially, fix the upper surface of the connector 8 to the fixture 1.
Since the connector 8 can be connected to the connector receiver 11 along the surface of the connector 9, connection is facilitated, and the connector 8 can be detached from the connector receiver 11 while pressing the connector 8 against the surface of the fixture 19 with one hand. You can operate with.

A second embodiment of the present invention is shown in FIGS. 5 and 6.
Shown in. That is, in this lighting fixture attaching device, in the first embodiment, the connector retainer 11 is attached to the lower surface of the fixture main body 2 so as to face downward in the vertical posture as the connector detachment preventing means.
Is disposed so that the receiving surface thereof is opposite to the insertion portion 14 of the fixture 1. In the embodiment, one piece of the U-shaped fixture 19 is fixed to the instrument body 2, and the connector receiver 11 is provided through the other piece.

Others are the same as those in the first embodiment. A third embodiment of the present invention is shown in FIGS. That is, this lighting fixture mounting device, in the first embodiment,
The connector detachment preventing means is constructed as follows. The connector receiver 11 is parallel to the lower surface 2a of the instrument main body 2, the receiving surface 11a of the connector receiver 11 faces the insertion portion 14 of the fixture 1 and is slightly rotatable in the direction approaching the lower surface 2a. Fixed to. In the embodiment, the connector receiver 11 is passed through the hole 24 of the mounting portion 23 of the instrument body 2, and the lower surface 2a is formed on the side of the rear end side of the connector receiver 11 and one of the protrusions 25, 25 'is locked to the edge of the hole 24. Is provided so that the receiving surface 11a side of the connector receiver 11 can be slightly rotated around the hole 24 in a direction approaching the lower surface 2a.

Further, while the connector 8 is connected to the connector receiver 11, a hook portion 26 is formed by a groove at a position facing the connector 8 on the lower surface 2a, and the side portion of the connector 8 can be engaged with the hook portion 26. The hooking protrusion 27 is provided by a rib. Then, the locking tool (not shown) is the locking step 5
When it comes off, it begins to fall as shown in FIG. 8 due to the weight of the instrument main body 2, but since the connector 8 of the cord 9 is connected to the connector receiver 11, a tensile force is applied to the cord 9 and added to the cord 9. The pulling force pulls the connector 8 in the direction to remove it, and the component force in the pulling direction causes
Since the connector receiver 11 rotates in the direction in which the receiving surface 11a approaches the lower surface 2a with the edge portion of the hole 24 as a fulcrum, the hooking protrusion 27 of the connector 8 is hooked on the hooking portion 26 and the connector receiver 11 moves from the connector 8 to the connector 8 Regulate the release. Therefore, since the instrument body 2 is held by the cord 9 and the peripheral portion of the instrument body 2 is supported by the ceiling, the instrument body 2 is supported in the state of FIG.

According to this embodiment, the hooking portion 26 interferes with the operation of detaching the connector 8 from the connector receiver 11.
Since the connector 8 does not come off from the connector receiver 11, it is possible to prevent the instrument body 2 from dropping with a simple configuration.

[0023]

According to the lighting fixture mounting device of the first aspect,
Since the connector has a connector disengagement preventing means for preventing the connector from being disengaged from the connector receiver by a tensile force applied to the cord as the tool body descends when the engaging tool is disengaged from the engaging step portion, Even if the locking tool is disengaged from the locking step, the connector main body can be surely supported by the connector disengagement preventing means, so that it is possible to prevent the risk of the tool falling. Further, since the connector receiver is fixed to the instrument body, it is not necessary to attach and detach the connector receiver and the connector with both hands, and it is possible to perform connection work with one hand, which is advantageous.

According to the lighting fixture mounting device of the second aspect, in the first aspect, the connector disengagement preventing means is arranged such that the receiving surface of the connector receiver faces the insertion portion of the fixture. Because it is configured by
In addition to the effect of claim 1, a tensile force is applied to the cord in a direction opposite to the direction in which the connector is detached from the connector receiver, and the connector is not detached from the connector receiver. You can

According to a third aspect of the present invention, there is provided a lighting fixture mounting device according to the first aspect, wherein in the connector detachment preventing means, the connector receiver is parallel to the lower surface of the fixture body, and the connector receiving surface is the fixture. The connector receiver is fixed to the instrument body so as to be slightly rotatable in a direction toward the insertion portion and closer to the lower surface, and faces the connector on the lower surface in a state where the connector is connected to the connector receiver. It is configured by providing a hooking portion at a position, and when the locking tool is disengaged from the locking step, by the pulling force applied to the cord by the self-weight of the instrument body,
The connector is pivoted to the connector to prevent the connector from being detached from the connector receiver by rotating the connector receiver, so that the connector is detached from the connector receiver. It becomes an obstacle of movement,
Since the connector cannot be removed from the connector receiver, it is possible to prevent the instrument body from dropping with a simple configuration.

[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 essential parts of the instrument body in a mounted state.

FIG. 3 is a partial perspective view of the connector before mounting.

FIG. 4 is a partial plan view of a mounted state of the connector.

FIG. 5 is a partial perspective view of the second embodiment before mounting the connector.

FIG. 6 is a partial side view of the connector mounted state.

FIG. 7 is a partial cross-sectional view of a third embodiment of a device attached state.

FIG. 8 is a partial cross-sectional view of the connector in a hooked state when the instrument body is dropped.

[Explanation of symbols]

 1 Mounting Tool 2 Instrument Main Body 3 Hooking Ceiling 5 Locking Step 7 Locking Tool 8 Connector 9 Cord 11 Connector Receiver 14 Insertion Section

 ─────────────────────────────────────────────────── ─── 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 (3)

[Claims] 1. A mounting tool which has a plug blade hooked on a hooking ceiling on an upper surface and has a locking step portion on a side surface, and which pulls out a connector connected to the plug blade via a cord to the outside, An insertion part through which the tool and the connector are inserted, and a locking tool that is removably locked to the locking step part,
An instrument body fixed to the lower surface of a connector receiver that is detachably connected to the connector, and a pulling force applied to the cord as the instrument body descends when the locking tool is disengaged from the locking step, A luminaire attachment device comprising: a connector detachment preventing means for preventing the connector from being detached from the connector receiver. 2. The connector disengagement prevention means is configured by arranging the connector receiving surface so that the receiving surface of the connector receiving member faces the insertion portion of the attachment tool.
The lighting fixture mounting device described. 3. The connector disengagement preventing means is arranged such that the connector receiver is parallel to the lower surface of the instrument body, and the receiving surface of the connector receiver is slightly rotated in a direction toward the insertion portion of the fixture and toward the lower surface. The connector receiver is movably fixed to the instrument body, and a hook portion is provided at a position facing the connector on the lower surface in a state where the connector is connected to the connector receiver,
When the locking tool is disengaged from the locking step portion, the pulling force applied to the cord by the weight of the instrument body rotates the connector receiver to hook the connector on the hooking portion. The lighting fixture mounting device according to claim 1, wherein the connector is restricted from coming off from the connector.