JPH0831214A - Luminaire - Google Patents

Abstract

PURPOSE:To enhance controllability in attaching and removing a globe by mounting specific parts in a predetermined luminaire. CONSTITUTION:This luminaire comprises a connector 1 attached to a wiring apparatus 5 provided on a ceiling 4; a luminaire main body 2 freely rotationally engaged with the connector 1 and having near its periphery a globe mounting bracket 6 which projects downwards so as to have a globe mounting piece at its lower end; a globe 3; and a globe stopper 3c secured to the edge of the globe 3 in such a way as to project inward, and mounted on the globe mounting piece of the globe mounting bracket 6 by rotation of the globe 3. In the luminaire, a stopper mounting hole 2d is provided in a position above the luminaire main body 2 during installation of the globe 3 and opposite to the globe stopper 3c, and a stopper piece 7 which is pressed against the ceiling 4 by means of the globe stopper 3c by installation of the globe 3 is mounted in the mounting hole 2d. Preferably the stopper piece 7 is provided with a coil spring 7b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminaire, and more particularly to a luminaire that is directly mounted on a ceiling.

[0002]

2. Description of the Related Art FIG. 6 and FIG.
This is an example of a conventional lighting device), which is simply attached directly to the ceiling and has a connector 1, a device main body 2, and a globe 3.

The connector 1 has a substantially cylindrical shape with a low height, which is electrically and mechanically fixed to a wiring device 5 such as a ceiling rosette fixed to the ceiling 4.
Further, the instrument body 2 is provided with a substantially circular attachment opening 2a in the substantially disc-shaped central portion thereof, and has a substantially L-shape outwardly in the vicinity of the peripheral edge thereof, and in the radial direction of the instrument body 2. A glove receiving metal fitting 6 that is slidable is provided, and a locking claw 2b that is supported by the equipment main body 2 and is capable of retracting into and from the mounting opening 2a is provided on the peripheral edge of the mounting opening 2a. It is provided. The globe 3 is formed of a translucent member, has a larger diameter than the instrument body 2, and has an opening having a diameter slightly smaller than the diameter of the instrument body 2 on the upper side, and a shoulder portion 3a near the periphery of the opening. The shoulder portion 3a is mounted on the substantially L-shaped globe receiving metal fitting 6 and is attached to the equipment main body 2 so as to be sandwiched between the peripheral edge portion of the equipment main body 2 and the globe receiving metal fitting 6.

The luminaire thus constructed has the connector 1 attached to the wiring device 5 such as a ceiling rosette.
When the instrument body 2 is pushed up to the ceiling 4 side from below with respect to the connector 1, the locking claw 2b slides outward of the instrument body 2 and passes through the connector 1 portion. The instrument body 2 is attached so that it protrudes to the upper surface of the connector 1 on the ceiling 4 side, which is the upper side of, and the locking claws 2 b are placed on the connector 1. In the figure, the release lever 2c is the instrument body 2
It is provided as a knob when the locking claw 2b is slid to the outside of the instrument body 2 when detaching from the connector 1. Further, in the glove 3, if the shoulder 3a at the upper end of the glove 3 is brought into contact with the glove 3 and the glove receiving metal fitting 6 is slid outwardly, the substantially L-shaped portion of the glove receiving metal fitting 6 is gloved. 3 is located below the shoulder 3a, and the shoulder 3a of the glove 3 is mounted on the glove receiving bracket 6 in a mounted manner.

FIG. 8 shows another conventional lighting apparatus (second conventional example). The difference from the first conventional example is that the ceiling 4 side of the apparatus main body 2 causes friction with the ceiling 4. A plate-like packing (not shown) to be attached in order to increase the size, a globe 3, and a globe receiving metal fitting 6, and the others are configured similarly to the first conventional example.

The glove 3 is located at the opening peripheral edge of the glove shown in the first conventional example, at a position facing approximately 180 degrees.
A glove stopper 3c having a horizontal piece 3b protruding inward from the side wall of the glove 3 is screwed, and the glove receiving fixture 6 is a device instead of the one shown in the first conventional example. The main body 2 is screwed to a position facing the horizontal piece 3b of the glove stopper 3c when the glove 3 is attached, and is provided substantially perpendicular to the horizontal piece 3b of the glove stopper 3c. A notch is formed in the vertical piece 6a in a substantially horizontal direction from one side to form a globe mounting piece 6b on the lower end side, and a stopper 6 is attached to the tip thereof.
c is formed.

In the luminaire constructed as described above, when the globe 3 is attached to the luminaire body 2, the globe stopper 3c of the globe 3 is provided on the vertical piece 6a of the globe receiving metal 6 of the luminaire body 2. Located on the opening side of the cutout, push up the glove 3 to abut against the instrument body 2, rotate the glove 3 to move the horizontal piece 3b of the glove stopper 3c from the upper side of the retainer 6c to the glove receiving metal 6 The glove 3 is mounted by being inserted into the notch of the vertical piece 6a and placed and held on the globe mounting piece 6b, and the horizontal piece 3b abuts on the inner side of the notch of the vertical piece 6a. In doing so, it was confirmed that the packing provided on the ceiling 4 side of the instrument body 2 acted to prevent the instrument body 2 from rotating due to the friction, and the glove 3 was attached.

[0008]

However, in the lighting fixture shown in the first conventional example configured as described above, the globe receiving metal fitting 6 is located on the ceiling 4 side of the fixture main body 2 and below the fixture main body 2. Since there is a globe 3 in
At the time of attaching and detaching the glove 3, it is necessary to put a hand from the lower side of the instrument body 2 to the back side of the instrument body 2, and the glove holder 6 cannot be seen at the time of operation, and the operability is poor. there were.

Further, in the lighting equipment shown in the second conventional example, the packing is attached to the back surface side of the equipment main body 2 where the temperature becomes relatively high, and the friction with the ceiling 4 is to be secured at that portion. Therefore, the durability is poor, and it is difficult to confirm the completion of the attachment of the glove 3 due to the rotation of the instrument body 2, and when the glove 3 is removed, especially when the horizontal piece 3b is caught by the retainer 6c. In addition to the fact that both the glove 3 and the instrument body 2 rotate and the operability thereof is poor, the temperature of the instrument body 2 may be increased due to the packing interposed in the gap between the instrument body 2 and the ceiling 4. There was a problem that it would occur.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a lighting apparatus which is excellent in the operability of attaching and detaching a glove.

[0011]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a ceiling 4 according to the first aspect of the invention.
A connector 1 attached to a wiring device 5 provided in
An instrument provided with a globe receiving metal fitting 6 which is rotatably engaged with the connector 1 in the horizontal direction in the substantially central portion, and which is provided so as to project downward near the peripheral portion and has a lower end as a globe placing piece 6b. The main body 2, the globe 3 covering the lower surface side of the instrument main body 2, and the globe 3 fixed to the peripheral edge of the globe 3 so as to project inward, and the globe mounting of the globe receiving metal fitting 6 by the rotation of the globe 3. In a lighting fixture having a globe stopper 3c placed on the placing piece 6b, a stopper mounting hole 2 is provided on the fixture body 2 when the globe 3 is attached and at a position facing the globe stopper 3c.
d is provided, and the glove 3 is placed in the stopper mounting hole 2d.
The stopper piece 7 is attached to the ceiling 4 by the glove stopper 3c.

The invention according to claim 2 is characterized in that, in the luminaire according to claim 1, an elastic body 7a is attached to an upper end of the stopper piece 7.

Further, in the invention according to claim 3, in the lighting device according to claim 1 or 2, the stopper piece 7 is attached to the stopper piece 7 when the globe 3 is attached. It is characterized in that a coil spring 7b for pressing on the 3c side is provided.

According to a fourth aspect of the present invention, in the lighting fixture according to the first or second aspect, the glove stopper 3c is provided on the front side with respect to the rotation direction when the globe 3 is attached. It is characterized in that a tapered portion 3d that is inclined toward the ceiling 4 from the front side toward the rear side is integrally provided.

[0015]

As described above, according to the present invention, the connector 1 attached to the wiring device 5 provided on the ceiling 4 and the connector 1 in the horizontal plane at the substantially central portion are provided. Device body 2 which is rotatably engaged in the direction, and which is provided with a globe receiving metal fitting 6 having a lower end serving as a globe placing piece 6b, which is provided so as to project downward near the peripheral edge portion, and a lower surface side of the instrument body 2. And a glove 3 which covers the glove 3 and is fixed to the peripheral edge of the glove 3 so as to project inward, and the glove mounting piece 6b of the glove receiving bracket 6 is rotated by the rotation of the glove 3.
In a lighting fixture having a glove stopper 3c placed on, a stopper mounting hole 2d is provided on the fixture body 2 when the glove 3 is attached, at a position facing the glove stopper 3c. The stopper mounting hole 2d
In addition, since the stopper piece 7 that is pressed against the ceiling 4 by the glove stopper metal fitting 3c when the glove 3 is attached is attached, the instrument main body 2 can be freely rotated and aligned when the glove 3 is not attached, Also, glove 3
When the horizontal piece 3b of the glove stopper 3c is placed on the globe placing piece 6b of the glove receiving fixture 6 during the rotating operation which is the attaching / detaching operation of the glove, the horizontal piece 3b pushes up the stopper piece 7 to the ceiling 4 side. To contact the ceiling 4 to suppress rotation of the instrument body 2 between the ceiling 4 and the ceiling 4 and improve the operability of attaching and detaching the globe 3.

Further, in the invention according to claim 2, in the lighting fixture according to claim 1, since the elastic body 7a is attached to the upper end of the stopper piece 7, when the globe 3 is attached, the fixture main body 2 and A dimensional difference with the ceiling 4 can be absorbed, and a stable drag force against rotation with the ceiling 4 can be obtained.

Further, in the invention according to claim 3, in the luminaire according to claim 1 or 2, the stopper piece 7 is attached to the stopper piece 7 when the globe 3 is attached. Since the coil spring 7b for pressing on the 3c side is provided, when the glove 3 is attached, a downward force is generated from the stopper piece 7 on the glove stopper 3c to suppress the rotation of the glove 3 and prevent the glove 3 from falling off. .

According to a fourth aspect of the present invention, in the lighting fixture according to the first or second aspect, the glove stopper 3c is provided on the front side with respect to the rotation direction when the globe 3 is attached. Since the tapered portion 3d that is inclined toward the ceiling 4 from the front side toward the rear side is integrally provided, the stopper piece 7 is gradually pushed up to the ceiling 4 side by the rotation of the globe 3, and the stroke of the stopper piece 7 can be secured. The stopper piece 7 can be reliably pressed against the ceiling 4.

[0019]

1 to 3 show a first embodiment of a lighting apparatus according to the present invention. This lighting apparatus is simply mounted directly on the ceiling, and includes a connector 1 and a main body of the apparatus. 2, the globe 3, and the stopper piece 7 are included.

The connector 1 has a substantially cylindrical shape with a low height that is electrically and mechanically fixed to a wiring device 5 such as a ceiling rosette fixed to the ceiling 4.
Further, the instrument main body 2 is provided with a substantially circular mounting opening 2a in a substantially disc-shaped central portion, and is disposed in the vicinity of the substantially disc-shaped peripheral portion so as to face the direction of approximately 180 degrees, A globe receiving bracket 6 having a substantially L-shape having a vertical piece 6a extending downward and a globe mounting piece 6b extending horizontally from the lower end of the vertical piece 6a is screwed, and The instrument body 2 around the attachment opening 2a is provided with a locking claw 2b which is supported by the instrument body 2 and can be retracted into and out of the attachment opening 2a.

The globe 3 is formed of a translucent member, has a diameter larger than that of the instrument body 2, and has an opening on the upper side having a diameter slightly smaller than the diameter of the instrument body 2, and near the periphery of the opening. A glove stopper having a shoulder portion 3a and a horizontal piece 3b projecting inward from the side wall of the glove 3 at a position facing the opening 3 on the upper side of the shoulder portion 3a and facing approximately 180 degrees. 3c is screwed.

The stopper piece 7 is a rod-shaped body having one pointed end 7c and is on the instrument body 2 when the glove 3 is attached,
A stopper mounting hole 2d is provided at a position facing the glove stopper 3c, and the stopper mounting hole 2d is mounted with the pointed one end 7c side being the lower side. A ring body 7d is integrally provided on the upper side of the one end 7c, and between the ring body 7d and the instrument body 2, a coil spring that presses the stopper piece 7 toward the globe stopper metal fitting 3c when the globe 3 is attached. 7b is inserted, and at the lower end of the portion of the stopper piece 7 protruding above the instrument body 2,
A C-ring 7e for attaching the stopper piece 7 to the instrument body 2 is attached to prevent the stopper piece 7 from falling off the instrument body 2.

With this construction, in the lighting apparatus of this embodiment, the apparatus main body 2 can be freely rotated and the positioning can be freely performed when the globe 3 is not attached. When the horizontal operation 3b of the glove stopper 3c is placed on the glove receiving piece 6b of the glove receiving metal 6 during the rotating operation which is the detaching operation of
The horizontal piece 3b contacts one end 7c of the stopper piece 7,
Since the one end 7c is sharp, the sharp inclined portion of the stopper piece 7 is pushed up to the ceiling 4 side so as to slide at the end of the glove receiving bracket 6, and the upper end thereof is placed on the ceiling 4
The rotation of the instrument body 2 with respect to the ceiling 4 is suppressed, and the operability of attaching and detaching the globe 3 is improved. Further, when the glove 3 is attached, a downward force is generated from the stopper piece 7 on the glove stopper 3c by the coil spring 7b, and the stopper piece 7 presses the glove stopper 3c,
The rotation of the globe 3 is suppressed, and the globe 3 can be prevented from falling off.

FIG. 4 shows a second embodiment of the present invention. The difference from the first embodiment is that the upper end, which is the other end of the stopper piece 7, has an elastic body such as rubber. 7a is attached, and the other points are the same as those in the first embodiment.

With this construction, in addition to the effects of the first embodiment, the lighting fixture of this embodiment has the stopper piece 7 on the ceiling 4 side when the glove 3 is attached. When pushed up, the elastic body 7e at the tip abuts on the ceiling 4 and is deformed.
Even if there is a dimensional difference between the
They can be absorbed and a stable drag force against rotation with the ceiling 4 can be obtained.

FIG. 5 shows the third embodiment of the present invention. The difference from the first embodiment is that a taper is attached to one end of a horizontal piece 3b of a glove stopper 3c provided on the glove 3. The third embodiment is similar to the first embodiment except that the portion 3d is provided.

The tapered portion 3d is a glove stopper 3c.
It is one end side of the horizontal piece 3b, and is provided so as to incline toward the ceiling 4 from the front side toward the rear side with respect to the rotation direction at the time of wearing the globe 3, that is, the globe 3 is rotated. As it is attached to the instrument body 2, one end 7c of the stopper piece 7 comes into contact with the tapered portion 3d, and the stopper piece 7 is gradually pushed up along its inclination.

With this construction, in the lighting apparatus of this embodiment, in addition to the effect of the first embodiment, the stopper piece 7 is gradually pushed up toward the ceiling 4 by the rotation of the globe 3. As a result, the stroke of the stopper piece 7 can be secured, and even if there is a dimensional difference between the instrument body 2 and the ceiling 4 or there is unevenness on the ceiling 4, they can be absorbed and the stopper piece 7 can be securely attached to the ceiling 4. Can be pressed.

In each of the above embodiments, the stopper piece 7 has been described as a rod-shaped body, but the present invention is not limited to this, and the stopper piece 7 has a substantially flat portion on the ceiling side which is the upper end, An elastic body may be attached to the substantially flat portion.

[0030]

As described above, according to the first aspect of the present invention, the connector attached to the wiring device provided on the ceiling and the connector at the substantially central portion are rotated inward in the horizontal plane. A tool main body provided with a glove receiving metal fitting that is freely engaged and that projects downwardly in the vicinity of the peripheral edge and has a lower end as a globe mounting piece; a glove that covers the lower surface side of the tool main body; A lighting fixture fixed to the peripheral edge of the globe so as to project inward, and having a glove stopper mounted on the globe mounting piece of the glove receiving bracket by rotation of the globe. A stopper mounting hole is provided on the device body at the time of mounting, at a position facing the glove stopper, and the glove stopper is pressed against the ceiling by the glove stopper in the stopper mounting hole. Since the stopper piece is attached, the instrument body can be freely rotated for alignment when the glove is not attached, and the horizontal piece of the glove stopper is attached to the glove holder when rotating the glove when attaching or detaching. When placed on the globe mounting piece, the horizontal piece pushes up the stopper piece to the ceiling side to bring it into contact with the ceiling, suppressing rotation between the instrument body and the ceiling, and the operability of putting on and taking off the globe is improved. improves.

Further, in the invention of claim 2, since the elastic body is attached to the upper end of the stopper piece, in addition to the effect of the invention of claim 1, when the glove is attached,
Even if there is a dimensional difference between the instrument body and the ceiling or there is unevenness on the ceiling, they can be absorbed and a stable drag force against rotation with respect to the ceiling can be obtained.

Further, in the invention according to claim 3, since the stopper piece is provided with a coil spring for pressing the stopper piece to the side of the glove stopper when the glove is attached, the stopper piece is provided. In addition to the effects of the invention described above, when the glove is attached, a downward force is generated in the glove stopper from the stopper piece to prevent the glove from rotating and prevent the glove from falling off.

Further, in the invention according to claim 4, since the taper portion which is inclined toward the ceiling side is integrally provided from the front side to the rear side with respect to the rotation direction of the glove stopper when rotating the glove. In addition to the effect of the invention according to claim 1 or claim 2, the stopper piece is gradually pushed up to the ceiling side by the rotation of the glove, the stroke of the stopper piece can be secured, and the stopper piece is surely pressed against the ceiling. can do.

[Brief description of drawings]

FIG. 1 is a partially sectional front view showing a first embodiment of a lighting fixture of the present invention.

FIG. 2 is a partially sectional front view of the above stopper portion.

FIG. 3 is a partial cross-sectional front view of the same stopper portion in a different state.

FIG. 4 is an exploded perspective view showing a main part of a second embodiment of the present invention.

FIG. 5 is a perspective view of an essential part of a third embodiment of the present invention.

FIG. 6 is a partial cross-sectional front view showing a conventional lighting fixture (first conventional example).

FIG. 7 is a perspective view of a main part of the above.

FIG. 8 is an exploded perspective view of a mounting portion of a globe of another conventional lighting fixture (second conventional example).

[Explanation of symbols]

 1 Connector 2 Instrument body 2d Stopper mounting hole 3 Globe 3c Globe stopper 3d Tapered part 4 Ceiling 5 Wiring equipment 6 Globe mounting bracket 6b Globe mounting piece 7 Stopper piece 7a Elastic body 7b Coil spring

Claims (4)

[Claims] 1. A connector attached to a wiring device provided on a ceiling, and a connector that is rotatably engaged with the connector in a horizontal plane inward direction at a substantially central portion, and is protruded downward near a peripheral portion to a lower end. An instrument main body including a glove receiving bracket as a glove mounting piece, a glove covering a lower surface side of the instrument main body, and a glove which is fixed to the peripheral edge of the glove so as to project inward. A lighting fixture having a globe stopper mounted on the globe mounting piece of the globe receiving member by rotation of the position of the globe on the fixture body when the globe is attached, the position facing the globe stopper. A lighting fixture, characterized in that a stopper mounting hole is provided in the stopper mounting hole, and a stopper piece that is pressed against the ceiling by the glove stopper is mounted in the stopper mounting hole. 2. The lighting apparatus according to claim 1, wherein an elastic body is attached to an upper end of the stopper piece. 3. The lighting device according to claim 1, wherein the stopper piece is provided with a coil spring that presses the stopper piece toward the globe stopper when the globe is attached. 4. A taper portion, which is inclined toward the ceiling side from the front surface side toward the rear surface side, is integrally provided on the front surface side with respect to the rotation direction of the glove stopper when rotating the glove. The lighting fixture according to claim 1 or claim 3.