JPH07161219A - Luminaire - Google Patents

Abstract

PURPOSE:To prevent a luminaire main body from falling off when mechanical coupling between an adapter and the luminaire main body is released. CONSTITUTION:An approximately disk-shaped adapter 14 is installed in a wiring apparatus arranged on a ceiling face. An engaging groove part 14a is arranged on the circumferential face of the adapter 14, and the adapter 14 and a luminaire main body 1 are mechanically coupled together by means of the engaging claw which is freely insertable to the inside of a mounting hole 8 inside a recessed part 8 of the luminaire main body 1. An electric power source wire 15, in which a connector 16 is arranged at the tip, is arranged on the lower face of the adapter 14. This connector 16 is connected freely insertably to a receiving side connector 11 arranged inside the recessed part 8. The recessed part, 8 is covered by an approximately rectangular lid 12 freely openably, and under the closed condition of the lid 12, the U-shaped part 12c of the lid 12 is positioned on the back face side of the connector 16, and a shift in the withdrawing direction of the connector 16 is regulated by means of the U-shaped part 12c.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device which is electrically connected to a wiring device arranged on a ceiling surface via an adapter and mechanically coupled to the adapter to be installed on the ceiling. is there.

[0002]

2. Description of the Related Art Conventionally, in a lighting apparatus which is electrically connected to a wiring apparatus arranged on a ceiling surface through an adapter and mechanically coupled with the adapter to be installed on a ceiling, the lighting apparatus is provided in a main body of the apparatus. By connecting the connector provided at the tip of the power supply line attached to the adapter to the receiving side connector, power is supplied from the wiring fixture to the fixture main body of the lighting fixture through the adapter.

[0003]

However, in the above-mentioned conventional structure, the connection between the connector on the adapter side and the receiving side connector on the instrument body is relatively easy to disconnect when an external force is applied in the disconnecting direction of the connector. Yes, if the mechanical connection between the tool body and the adapter is disengaged due to vibration due to an earthquake or improper installation, etc., external force is applied to the connector on the adapter side and the connector on the receiving side of the tool body, so the connection is made. However, there is a problem that the instrument body falls off and is dangerous.

The present invention has been made in view of the above-mentioned problems, and even when the mechanical connection between the adapter and the main body of the fixture is broken for some reason, the lighting main body can be prevented from dropping. The purpose is to provide.

[0005]

In order to achieve the above object, the present invention provides an adapter which is detachably attached to a wiring device disposed on a ceiling surface and electrically connected to the wiring device. An attachment hole that fits from the upper surface opening is penetrated from the upper surface of the instrument body toward the lower surface, and a recess is formed in the instrument body lower surface around the lower opening surface of the attachment hole, and the coupling means provided in the instrument body and the adapter. Install the instrument body mechanically to the adapter by installing it on the ceiling, and pull out the power supply line that is electrically connected to the wiring equipment by attaching the adapter to the wiring equipment from the adapter, and in this recess A receiving-side connector is provided for connecting the connector provided at the tip of the power supply line led out from the adapter so that the connector can be inserted and removed freely, and the receiving-side connector in the closed state is attached to the lid body for opening and closing the opening of the recess. Characterized by comprising providing a restricting means for restricting the movement of the escape direction of the connected connector.

[0006]

In the structure of the present invention, the mounting hole to which the adapter, which is detachably attached to the wiring device disposed on the ceiling surface and which is electrically connected to the wiring device, is fitted from the upper opening, has the upper surface of the device main body. To the lower surface, form a recess on the lower surface of the instrument body around the lower opening surface of the mounting hole, and mechanically couple the instrument body to the adapter by the coupling means provided on the instrument body and the adapter. Installed on the ceiling, pulling out the power line electrically connected to the wiring equipment by attaching the adapter to the wiring equipment from the adapter,
A receiving-side connector is provided in this recess for connecting the connector provided at the tip of the power supply line drawn out from the adapter so that the connector can be inserted and removed, and the opening of the recess is opened and closed. Since the restriction means for restricting the movement of the connector connected to the connector in the disconnecting direction is provided, when the mechanical connection between the instrument body and the adapter by the connecting means is broken due to vibration due to an earthquake or improper installation work, etc. The connector on the adapter side is pulled out from the receiving side connector in the recess of the instrument body by regulating the movement of the adapter side connector in the detaching direction by the regulating means provided on the lid body in the state where the lid body is closed. Can be blocked. As a result, since the instrument main body is held by the power line led out from the adapter, it is possible to prevent the instrument main body from dropping.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 2 is a perspective view of a lighting fixture of this embodiment. The lighting fixture main body 1 is constructed by attaching substantially disk-shaped lighting fixture main bodies 3 to four corners of a substantially square base body 2. is there. On the lower surface of the lamp body 3, a socket 5 to which the round fluorescent lamp 4 is detachably mounted and a holding metal fitting 6 for holding the round fluorescent lamp 4 are provided upright.
Further, a holding metal fitting 7 for holding a globe (not shown) is provided on the lower surface of the peripheral portion of the lamp body 3. Further, the center of the lower surface of the lamp body 3 is formed into a dome shape, and inside thereof, electric parts constituting a lighting circuit of the round fluorescent lamp 4 and the like are installed.

On the other hand, a substantially rhombic raised portion 2a is formed in the center of the lower surface of the base body 2, and a recessed portion 8 opening downward in a substantially rectangular shape is provided at the center of the raised portion 2a. further,
As shown in FIG. 3, a substantially circular mounting hole 8a is formed in the center of the bottom of the recess 8 so as to penetrate from the upper surface to the lower surface of the base 2. A pair of engaging claws 9 and 9 are provided inside the mounting hole 8a so as to freely move in and out along the longitudinal direction of the recess 8. Release levers 10 and 10 are provided at one ends of the engaging claws 9 and 9, respectively, and the release levers 10 and 10 are projected from the holes drilled in the recess 8. The engaging claws 9 and 9 are elastically urged so that the tip ends inside the mounting hole 8a.

A receiving connector 11 is provided at a corner of the recess 8.
The receiving side connector 11 is electrically connected to a lighting circuit or the like included in the lamp body 3, and power is supplied to the lighting circuit or the like of each lamp body 3 through the receiving side connector 11. . As shown in FIG. 1, the opening of the recess 8 is the lid 1.
It is covered by 2 with a slight gap left over substantially the entire circumference. The lid 12 is formed by bending a substantially rectangular plate material in the longitudinal direction into a substantially U-shaped cross section, and further bending both the bent pieces outward. A support piece 12a extends from one long side of the lid 12, and the support piece 12a is pivotally supported on the lower surface of the base body 2 in the vicinity of the recess 8 to cover the lid 12
Is openable and closable with respect to the recess 8. Also, the support piece 1
Fixed piece 12b from the other long side of lid 12 facing 2a
Is extended, and the space between the fixing piece 12b and the lid 12 is bent into a substantially U-shaped section, and the U-shaped portion 12c is formed.
Fits in the recess 8 when the lid 12 is closed. Further, when the lid 12 is closed, the fixing piece 12
The base member 2 is provided in the lock hole 12d having a long hole formed in the center of b.
A lock claw 2b provided in the vicinity of the recess 8 on the lower surface of the base 2 is inserted, and the locking piece 2b is fixed to the base 2 by rotating the lock claw 2b in the lower surface of the base 2. It is supposed to do.

Further, as shown in FIG. 4, a substantially disc-shaped receiving portion 12e is provided on the lower surface (upper surface in the figure) of the lid 12. The receiving unit 12e is for receiving an infrared remote control signal transmitted from the outside, and the remote control signal received by the receiving unit 12e controls the turning on / off of the round fluorescent lamp 4. Of. In order to protect the receiving portion 12e, a mortar-shaped semitransparent cover 17 is attached to the lower surface of the base 2 so as to cover the lid 12, as shown in FIG.

On the other hand, on the ceiling surface where this lighting equipment is installed, a wiring equipment 13 called so-called hook ceiling is provided. The wiring device 13 is provided with a pair of elongated hole-like insertion holes 13a, 13a on its lower surface. Usually, a pair of hook-shaped plug blades protruding from the upper surface of the lighting fixture are inserted into the insertion holes 13a, 13a, and the lighting fixture is rotated in a predetermined direction so that the plug blades are inserted into the insertion hole 13.
While being locked to the wiring device 13 inside a and 13a, the wiring device and the lighting device are electrically connected via the blade. However, in the lighting fixture of the present invention, the fixture main body is not directly attached to the wiring fixture 13, but is attached via the adapter 14.

As shown in FIG. 2, the adapter 14 is formed in a substantially disc shape, and an engaging groove portion 14a is provided on the entire circumferential surface of the adapter 14. The above-mentioned pair of hook-shaped plug blades (not shown) project from the upper surface of the adapter 14. Further, a power line 15 that is electrically connected to the blade is attached to the lower surface of the adapter 14, and a connector 16 is provided at the tip of the power line 15. And the adapter 1
When the adapter 14 is attached to the wiring device 13 by inserting a pair of blades (not shown) protruding from the upper surface of the connector 4 into the insertion holes 13a, 13a of the wiring device 13 in the above-described manner, the adapter 14 is connected to the wiring device by the blade. It is mechanically coupled to 13 as well as electrically connected.

The device body 1 is attached to the adapter 14 attached to the wiring device 13 as described above, as follows. First, the adapter body 14 is pushed up from below so that the adapter 14 is fitted into the mounting hole 8a provided at the center of the base body 2 of the instrument body 1. The tip surfaces of the engaging claws 9 and 9 are tapered surfaces, the lower end of the adapter 14 is guided by the end surfaces of the engaging claws 9 and 9, and the engaging claws 9 and 9 are pushed up by pushing the instrument body 1 upward. Is pushed by and is moved in the anti-elastic biasing direction, and the engaging groove portion 1 of the adapter 14 is pushed.
4a and the engaging claws 9, 9 move so that the tips of the engaging claws 9, 9 appear inside the mounting hole 8a when the positions of the engaging claws 9, 9 are coincident with each other. To engage with. That is, the fitting groove 9a of the adapter 14 fitted into the mounting hole 8a is engaged with the engaging claws 9, 9 which can freely move in and out of the mounting hole 8a, so that the instrument body 1 and the adapter 14 are mechanically connected to each other. To be combined with. If the release levers 10, 10 are operated to open outward, the engaging claws 9, 9 move to disengage from the engaging groove 14a and the instrument body 1 can be removed from the adapter 14.

Next, the lid 12 on the lower surface of the base body 2 of the instrument body 1
Open, and connect the connector 16 of the power line 15 attached to the adapter 14 to the receiving connector 11 provided in the recess 8.
Plug in and connect. As a result, the instrument body 1 becomes the adapter 1
4 is electrically connected to the wiring 4, and the wiring device 1 through the power line 15.
Power is supplied from 3 to the lighting circuit of each lamp main body 3 and the receiving portion 12e provided on the lower surface of the lid 12.

After the connection between the connector 16 and the receiving connector 11 is completed, the lid 12 is closed. Here, when the lid 12 is closed, the U-shaped portion 12c between the lid 12 and the fixing piece 12b fits in the recess 8, but the end surface of the U-shaped portion 12c is located on the adapter 14 side. It is arranged so as to come to the back side of the connector 16, that is, a position for restricting the movement of the connector 16 in the pull-out direction (see FIG. 5). Therefore, even if an external force is applied to the instrument body 1 or the adapter 14 for some reason and the connector 16 tries to move in the direction in which the connector 16 comes off, as described above, the back surface of the connector 16 and the lid 1
By the contact with the second U-shaped portion 12c, the movement of the connector 16 is restricted, and the connector 16 can be prevented from coming off. That is, in this embodiment, the U-shaped portion 12c of the lid 12 serves as the regulation means. Since the recess 8 is closed by the lid 12, the connector 16, the receiving connector 11, and the release lever 1 are used except when necessary.
It is possible to prevent 0 and 10 from being operated carelessly.

[0016]

As described above, according to the present invention, a mounting hole which is removably attached to a wiring device arranged on a ceiling surface and which has an adapter to be electrically connected to the wiring device fitted from an upper opening is provided on the upper surface of the device main body. To the lower surface, form a recess on the lower surface of the instrument body around the lower opening surface of the mounting hole, and mechanically couple the instrument body to the adapter by the coupling means provided on the instrument body and the adapter. Installed on the ceiling, the power line that is electrically connected to the wiring equipment by attaching the adapter to the wiring equipment is led out from the adapter, and provided in the recess at the tip of the power line led out from the adapter. Provided with a receiving side connector for connecting and disconnecting the connector, the lid body that opens and closes the opening of the recess to move the connector connected to the receiving side connector in the detached direction in the closed state. Since the restricting means for controlling the connector is provided, even if an external force in the disconnecting direction is applied to the connector due to vibration or the like in a normal use state, the restricting means of the lid body restricts the movement of the connector in the disconnecting direction to prevent the connector from disconnecting. Further, when the mechanical connection between the instrument body and the adapter by the connecting means is disengaged due to vibration due to an earthquake or improper installation work, etc., the regulation provided on the lid body in the closed state. By restricting the movement of the connector on the adapter side in the removal direction by the means, it is possible to prevent the connector on the adapter side from coming off from the receiving side connector in the recess of the instrument body. As a result, since the instrument main body is held by the power supply line led out from the adapter, it is possible to prevent the instrument main body from dropping.

[Brief description of drawings]

FIG. 1 is a plan view showing a main portion of a lid closed state of an embodiment.

FIG. 2 is an overall perspective view of the above.

FIG. 3 is a plan view showing an essential part of the same lid with the lid open.

FIG. 4 is a perspective view showing a main part of the same lid with the lid closed.

FIG. 5 is a cross-sectional view of a main part with the lid closed.

[Explanation of symbols]

 1 Instrument Main Body 8 Recess 9 Engagement Claw 10 Release Lever 11 Receiving Side Connector 12 Lid 12a Supporting Piece 12b Fixing Piece 12c U-Shaped Part 14 Adapter 14a Engagement Groove 15 Power Line 16 Connector

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoneo Yonezawa 2-25-7 Fujita-cho, Moriguchi City, Osaka Prefecture

Claims (1)

[Claims] 1. An attachment hole, which is detachably attached to a wiring device disposed on a ceiling surface, and into which an adapter electrically connected to the wiring device is fitted from an upper surface opening, faces from the upper surface to the lower surface of the device body. To form a recess on the lower surface of the instrument body around the lower opening surface of the mounting hole, and mechanically couple the instrument body to the adapter by the coupling means provided on the instrument body and the adapter and install it on the ceiling. , The power line that is electrically connected to the wiring device when the adapter is attached to the wiring device is led out from the adapter, and the connector provided at the tip of the power line led out from the adapter can be removed and inserted into this recess A receiving side connector that is connected to the receiving side connector is provided, and the lid body that opens and closes the opening of the recess is open and closed. A lighting fixture comprising means.