JPH04324203A - Lighting fixture - Google Patents

Abstract

PURPOSE:To provide a lighting fixture whereby a fixture main unit can be mounted with no stop screw required further without rotating the fixture main unit. CONSTITUTION:A ring-shaped mounting metal fixture 1 is hooked to a pair of pawl parts protruded from both sides of a fixing metal fixture provided in a ceiling, and the mounting metal fixture 1 has a recessed part 7 for inserting the pawl part in an upper surface and a transverse grooved part 8 for advancing the pawl part continued to the recessed part 7 by turning the mounting metal fixture 1 in its one turn direction. This mounting metal fixture 1 is turnably mounted to an equipment main unit 2, turned and energized in the above- mentioned one turn direction by a spring 3, and further the mounting metal fixture 1 is turned in the opposite direction to the above-mentioned in a condition of energizing the spring 3 and removably stopped by a hook means 4.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a lighting fixture that is directly attached to a ceiling.

0002

2. Description of the Related Art Conventional examples are shown in FIGS. 12 and 13. That is, in this lighting fixture, a set screw 72 is provided downward in a pair of claws 71 protruding from both sides of a fixing fitting 70 provided on the ceiling (not shown), and a pothole hole 73 into which the set screw 72 is inserted is provided. A plurality of holes are formed around the loose fitting hole 75 of the instrument body 74. 76 is a connector connected to the connected device 80 provided on the fixing fitting 70, 77 is a lamp, 78 is a lamp socket, and 79 is a cover.

In this lighting fixture, the fixture body 74 is brought close to the fixing fitting 70, and the set screw 72 is inserted into the large diameter hole of the pothole 73.
Loosely fit the head of
The neck of the bellows hole 73 is locked into the slit of the bellows hole 73, and the setscrew 7
2, the instrument main body 74 is fixed to the fixing fitting 70.

0004

[Problems to be Solved by the Invention] However, this lighting fixture has the disadvantage that when the fixture body 74 is turned, the heads of the screws provided on the top surface of the fixture body 74 hit the ceiling surface (not shown) and damage the ceiling. Ta. Further, if there is a convex portion on the ceiling surface, the appliance main body 74 cannot be rotated, so there is a drawback that the appliance main body 74 cannot be attached.

Furthermore, when pulling the set screw 72 into the pothole 73 of the instrument body 74, if the height of the head of the set screw 72 is too low, it will not be possible to pull it in, and if it is too long, the set screw 72 will not engage with the fixing fitting 70. There was a risk of it coming off. As described above, there is a drawback that it is very difficult to adjust the length of the setscrew 72 of the fixing fitting 70. Another disadvantage is that the setscrews 72 at two locations must be tightened with a screwdriver.

[0006] Accordingly, an object of the present invention is to provide a lighting fixture that does not require a set screw and can be attached to the fixture body without rotating the fixture body.

[0007]

[Means for Solving the Problems] The lighting equipment of the present invention includes:
The upper surface has a recess into which a pair of claws protruding from both sides of a fixing metal fitting provided on the ceiling can enter, and a horizontal groove continuous to the recess into which the claw can enter by rotating in one rotation direction. a ring-shaped mounting bracket, a device main body that rotatably holds the mounting bracket in the center, a spring that biases the mounting bracket to rotate in the one rotation direction, and a spring that biases the mounting bracket to rotate in the one rotation direction; The apparatus further includes hooking means for removably locking the mounting fitting to the instrument body at a position where the fitting is rotated in a direction opposite to the one rotation direction.

[0008]

[Operation] According to the structure of the present invention, the mounting bracket is rotated against the spring and is locked to the fixture body by the hooking means, and the fixture body is brought close to the fixing bracket, and the pair of fixing brackets are connected to each other. When the claw portion is inserted into the recess of the mounting bracket to release the locking of the hooking means, the mounting bracket is rotated by the restoring force of the spring, and the claw portion enters the horizontal groove of the mounting bracket. As a result, the instrument body is fixed to the claw portion via the mounting bracket. In this case, the conventional set screw is no longer necessary for the claw portion, and the instrument body can be easily attached without rotating the instrument body.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be explained with reference to FIGS. 1 to 11. That is, this lighting fixture has a mounting bracket 1, a fixture body 2, a spring 3, and a hooking means 4. The mounting bracket 1 is ring-shaped and has a recess 7 on its upper surface into which a pair of claws 6 protruding from both sides of a fixing bracket 5 provided on the ceiling (not shown) can enter, and is continuous with the recess 7. The claw portion 6 has a lateral groove portion 8 into which the claw portion 6 can enter by rotation in one rotation direction. The mounting bracket 1 of the embodiment has a circumferential body portion 9, an outer flange 10 provided at one end of the circumferential body portion 9, and an inner flange 11 provided at the other end of the circumferential body portion 9, and the recessed portion 7 is formed between the inner flange 11 and the circumferential body portion 9. are formed at equal intervals at four locations in the circumferential direction,
The lateral groove part 8 is formed in the circumferential trunk part 9, and as shown in FIG.
A retaining recess 28 is formed on the recess 7 side. Further, holding pieces 12 for rotatably attaching to the instrument body 2 are formed at three locations on the circumferential body portion 9 by cutting and raising.

On the other hand, the fixing fitting 5 has a connected device 40 such as a hook ceiling in the center, and as shown in FIG. 6, for example, a connector 41 for extracting a power source is connected thereto. The instrument body 2 rotatably holds the mounting fitting 1 in the center. The device main body 2 of the embodiment has a peripheral wall 13 hanging from a rectangular edge, a hole 14 formed in the center through which the peripheral body part 9 of the mounting bracket 1 is rotatably inserted, and a recess 7 inserted into the claw part 6. A notch 15 is formed at the edge of the hole 14 so that the state in which the
It is forming in some places. By inserting the peripheral body part 9 of the mounting bracket 1 from the lower side of the hole 14, engaging the outer collar 10 with the lower surface of the instrument main body 2, and cutting and raising the holding piece 12 to engage the upper surface of the instrument main body 2, A mounting bracket 1 is rotatably attached to an instrument body 2. Further, a main body cover 16 is attached to the upper surface of the instrument main body 2 in order to cover the mounting fitting 1 to the instrument main body 2. The main body cover 16 has a hole 17 formed in the center thereof through which the fixing fitting 5 is inserted, and a notch 18 through which the claw portion 6 is inserted at a position aligned with the notch 15. On the other hand, the lower surface of the instrument main body 2 is shown in FIGS. 4 and 6.
The block mount 19, the socket cover 20, and the reflector 21 are attached as shown in FIG. Further, a frame 24 is attached to the periphery of the instrument body 2.

The spring 3 biases the mounting bracket 1 to rotate in the one rotation direction. In the embodiment, a pair of tension coil springs are used. In order to attach this spring 3, a pair of spring attachment holes 25 are formed in the outer collar 10 of the mounting bracket 1, a pair of slits 26 are formed at the edge of the hole 14 in the instrument body 2, and a pair of slits 26 are formed in the lateral groove part 8 of the slit 26. A spring mounting hole 27 is formed near one end in the opposite direction to the stretching direction. One end of the spring 3 is attached to the spring attachment hole 27 of the instrument body 2, and the other end is attached to the spring attachment hole 25 of the outer collar 10 via the slit 26.

The hooking means 4 is attached to the mounting bracket 1 against the spring 3.
The mounting bracket 1 is removably locked to the instrument main body 2 at a position rotated in the opposite direction to the one rotation direction. In the embodiment, a rotary holding pin 29 having a dogleg-shaped hook portion 30 at one end and a bent portion 31 at the other end, a hole 32 that is attached to the instrument body 2 and in which the bent portion 31 engages, and a hole 32 are provided. Hole 14 against 32
The long hole 33 is formed on the radial center side of the hook portion 30 so that the dogleg-shaped bent portion of the hook portion 30 projects to the lower surface of the instrument body 2, and the bent portion of the hook portion 30 is formed on the outer flange 10 of the mounting bracket 1. It has a notch 34 that is removably engaged. The position of the notch 34 and the positions of the hole 32 and the elongated hole 33 are set such that the notch 34 and the rotary holding pin 29 are engaged at a position where the spring 3 is tensilely biased and the recess 7 is aligned with the notch 18. I have decided.

When attaching the instrument body 2 to the fixing fitting 5, first the attachment fitting 1 is rotatably attached to the hole 14 of the instrument body 2 as described above. Then, while being biased to rotate by the spring 3, the mounting bracket 1 is rotated in the opposite direction to the tension direction of the spring 3, and the rotation holding pin 29 of the hooking means 4 is rotated.
The hook portion 30 of is locked in the notch 34. In this state, as shown in FIG.
8, while looking through the notch 15 of the instrument body 2, confirm that the claw portion 6 has entered as shown in FIGS. 9 and 10. Next, when the bent part of the hook part 30 of the rotation presser pin 29 is pushed into the elongated hole 33 and removed from the notch 34, the mounting bracket 1 is rotated by the restoring force of the spring 3, and the claw part is closed as shown in FIGS. 8 and 11. 6 engages with the horizontal groove portion 8, and the installation is completed.

On the other hand, when removing the instrument body 2, push up the instrument body 2 and rotate the mounting bracket 1 by hand in a direction against the spring 3 to align the notch 34 with the elongated hole 33. The hook part 30 of the pin 29 is locked in the notch 34 by its own weight, and this rotation causes the claw part 6 to move from the horizontal groove part 8 to the recess part 7.
The instrument body 2 is removed. Therefore, the instrument main body 2 can be attached with one touch by simply pushing the hook part 30, and on the other hand, it is also possible to remove the instrument main body 2 with one touch by simply rotating the mounting bracket 1, allowing for easy attachment and detachment. In addition, unlike in the past, a set screw is no longer required for the claw part 6, so there is no need to adjust the length of the set screw, there is no need to tighten or loosen it with a screwdriver, and there is no need to rotate the instrument body 2. 2 can be mounted, it is possible to prevent damage to the ceiling surface as in the conventional case, and it is also possible to install the instrument body 2 in a place where it cannot be rotated, thus solving the conventional drawbacks.

[0015]

[Effects of the Invention] The lighting equipment of the present invention has the mounting bracket rotated against the spring and locked to the equipment body by the hooking means.
When the device body approaches the fixing bracket and the pair of claws of the fixing bracket are inserted into the recesses of the mounting bracket to release the hooking means, the mounting bracket rotates due to the restoring force of the spring, and the claws By entering the lateral groove of the mounting fitting, the instrument body is fixed to the claw portion via the mounting fitting. Therefore, there is no longer a need for a set screw in the claw part as in the past, so there is no need to adjust the length of the set screw, and there is no need to tighten or loosen it with a screwdriver. Because it can be mounted, it prevents damage to the ceiling surface that was conventional, and it can be installed in places where the main body of the device cannot be rotated. Moreover, the main body of the device can be easily attached to the fixing bracket. effective.

[Brief explanation of drawings]

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

FIG. 2 is an exploded perspective view thereof.

FIG. 3 is a partial side view of the mounting bracket.

FIG. 4 is an exploded perspective view of the entire lighting fixture.

FIG. 5 is a perspective view of the lighting fixture.

FIG. 6 is a partial sectional view thereof.

FIG. 7 is a cross-sectional view of the instrument body approaching the fixing fitting.

FIG. 8 is a partial sectional view of the instrument body attached to the fixing fitting.

FIG. 9 is a bottom view of the mounting bracket before it is attached to the fixing bracket.

FIG. 10 is a bottom view of the mounting bracket with the claw inserted into the recess.

FIG. 11 is a bottom view of the mounting bracket in a state in which the claw portion is locked by rotating it.

FIG. 12 is an exploded perspective view of a conventional example.

FIG. 13 is an explanatory diagram illustrating attachment of the instrument main body.

[Explanation of symbols]

1 Mounting bracket 2. Equipment body 3 Spring 4 Hooking means 7 Recessed part 8 Lateral groove part

Claims (1)

[Claims] Claim 1: The upper surface has a recess into which a pair of claws protruding from both sides of a fixing metal fitting provided on the ceiling can enter, and the claw can enter the recess by rotating in one rotation direction continuously into the recess. a ring-shaped mounting bracket having a horizontal groove, a device main body that rotatably holds the mounting bracket in the center, a spring that biases the mounting bracket to rotate in the one rotation direction, and a spring that biases the mounting bracket to rotate in the one rotation direction; and a hook means for removably locking the mounting bracket to the fixture main body at a position where the mounting bracket is rotated in a direction opposite to the one rotation direction.