JPH06325610A - Luminaire directly fixed to ceiling - Google Patents

Abstract

PURPOSE:To directly fix a luminaire main body to a ceiling surface in a stable state without anxiety about a drop of the luminaire main body by temporarily holding the luminaire main body to the ceiling surface so as to facilitate disposing operation, and making fixing work of a luminaire having a large diameter and a large length advantageous. CONSTITUTION:A rosette is fixed to a ceiling surface together with a metal fitting 1, a pair of support pieces 2 of which are inserted into cutouts 5 of a luminaire main body 3. The rosette is inserted into an insertion hole 4. The luminaire main body 3 is turned so that an inner circumferential edge (m) of the insertion hole 4 of the luminaire main body 3 is mounted on the support pieces 2 in a temporarily fixed state. A support tool 6 is turned in the temporarily fixed state where the inner circumferential edge (m) of the insertion hole 4 of the luminaire main body 3 is mounted on the support pieces 2 so that an operating tool 9 is fastened with a slot of spoon-shaped holes 8 coincident with screw holes of the support pieces 2 of the fixing metal fitting 1. The luminaire main body 3 is pressed against the ceiling surface so that the support tool 6 is fixed while abutting against the lower end of the inner circumferential edge (m) of the luminaire main body 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture for directly mounting on a ceiling surface.

[0002]

2. Description of the Related Art FIG. 6 is a sectional front view of a main part of a conventional lighting fixture directly attached to a ceiling, and FIG. 7 is a bottom view of a partially cutaway view of the same, which will be described below. Mounting of a mounting bracket a having a pair of support pieces b protruding upward on the side of a square hook ceiling rosette j mounted on the ceiling k, which is screwed from below to the support pieces b, b. Screws c and c are provided. The device body d has an opening e through which the mounting metal fitting a is inserted, and below the opening e, a mounting support having an opening g for power supply connection in the center and a dharma hole h in the periphery. f is provided. In addition, L is an illumination lamp.

Next, the procedure for attaching the instrument body d to the ceiling k will be described. After the mounting screws c, c screwed to the pair of support pieces b, b are inserted into the darma holes h of the mounting support f, the fixture body d is kept parallel to the ceiling k plane. The tool body d is rotated and temporarily held, and the tool body d is attached to the ceiling surface k by pressing the mounting screws c and c with the tool body d installed in the correct position. .

[0004]

However, in such a conventional lighting fixture for directly mounting on the ceiling, when the fixture main body d is rotated while being held in parallel with the ceiling k plane, Since the center of rotation has not been decided,
The turning operation is very difficult, and the mounting screws c and c are loosened when the instrument main body d is removed from the ceiling surface k. However, if it is loosened too much, the mounting screws c and c will come off the mounting bracket a and the instrument main body d. May fall and is very dangerous.
Moreover, since the instrument body d is attached to the ceiling k surface in the vicinity of its center, in the case of a large instrument having a large diameter, the drawstring switch m which is pulled out from the side of the instrument and hangs down.
When is operated, the instrument main body d will sway greatly, and there is also a problem that the stability of the attachment of the instrument main body d is significantly reduced.

In view of the above problems, the present invention facilitates the operation of temporarily holding and mounting the instrument body on the ceiling surface, and at the time of mounting a large instrument having a large instrument body diameter and a long length. It is advantageous, and the object is to mount the instrument body directly on the ceiling surface in a stable state without fear of falling of the instrument body.

[0006]

The above-mentioned object can be achieved by the ceiling-mounted luminaire according to the present invention, and a rosette attached to the ceiling and a tip of the rosette horizontally protruding to the side of the rosette. There is a pair of support pieces protruding upward with a space provided between the ceiling surface, an insertion hole through which the rosette is inserted, and a notch which is continuous with the insertion hole and through which the support piece is inserted. And, after inserting the support piece through the notch, it is rotated and then mounted on the support piece, the instrument body, an operation tool screwed from below to the support piece and having a head at the lower end, The head of the operation tool has a dharma hole through which the head and the rosette are inserted, and the operation tool is provided with a support tool that is engaged with the tool body by an inner peripheral edge. To do.

[0007]

The operation of the lighting device directly attached to the ceiling according to the present invention will be described. Attach the rosette together with the mounting bracket to the ceiling surface, insert the pair of support pieces of the mounting bracket into the notches of the instrument body, insert the rosette into the insertion hole, and then rotate the instrument body to insert the insertion hole of the instrument body. Place the inner peripheral edge of the on the support piece of the fitting. Then, an operation tool having a head portion at the lower end is inserted into the dharma hole of the support tool, and the operation tool is screwed into the support piece of the mounting member, and the rosette is inserted into the insertion hole of the support tool.

In this way, the inner peripheral edge of the insertion hole of the instrument main body is mounted on the support piece of the mounting member so that the supporting member is rotated to rotate the supporting member, thereby supporting the elongated hole of the Dharma hole and the mounting member. Align the screw holes on one side and tighten the operation tool in this state. When the operation tool is tightened, the support tool is pushed up from below by the head of the operation tool, and while firmly contacting the lower end of the inner peripheral edge of the instrument body, the instrument body is pressed firmly against the ceiling surface and fixed. It is attached directly to the ceiling surface.

[0009]

Embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1 is an exploded perspective view of a partially cutaway ceiling-mounted lighting fixture according to the present invention, and FIG. 2 is a sectional front view of the same. A mounting bracket 1 having a pair of supporting pieces 2 and 2 horizontally projecting laterally and having a tip spaced apart from the ceiling C surface and projecting upward is configured. Further, the insertion hole 4 and the pair of notches 5, which are continuously provided in the insertion hole 4 at substantially the center and are located at diametrically opposed positions.
An instrument main body 3 having 5 is constructed. Further rosette 1
A support tool 6 having an insertion hole 7 through which 0 is inserted and a dharma hole 8 through which the head of the operation tool 9 is inserted is configured. In the figure, L and L are a plurality of lighting fixtures installed in the fixture body 3.

Next, the ceiling mounting procedure of the ceiling-mounted lighting fixture according to the present invention will be described. As shown in FIG. 3 (A), first, the rosette 10 is attached to the ceiling C surface together with the attachment fitting 1, and the pair of support pieces 2 and 2 of the attachment fitting 1 are inserted into the notches 5 and 5 of the instrument main body 3 as well. The rosette 10 is inserted through the insertion hole 4. After that, the instrument body 3 is rotated to move the inner peripheral edge m of the insertion hole 4 of the instrument body 3 to the support piece 2,
By placing the device main body 3 on the ceiling 2, the fixture main body 3 is temporarily fixed to the ceiling C surface. Then, the operation tool 9 having a head portion at the lower end is inserted into the duller hole 8 of the support tool 6 and is screwed into the support pieces 2 and 2 of the mounting bracket 1, and the rosette 10 is inserted into the insertion hole 7 of the support tool 6. To do.

As shown in FIG. 3B, the support tool 6 is rotated with the inner peripheral edge m of the insertion hole 4 of the instrument main body 3 placed on the support pieces 2 and 2 of the mounting member 1 in a temporarily fixed state. By doing so, the operation tool 9 is tightened in a state where the long hole (not shown) of the dharma hole 8 and the screw holes (not shown) of the support pieces 2 and 2 of the mounting member 1 are aligned with each other. When the operation tool 9 is tightened, the support tool 6 is pushed up from below by the head of the operation tool 9 and abuts against the lower end of the inner peripheral edge m of the tool body 3 to fix the tool body 3 against the ceiling C surface. become,
As shown in FIG. 4, the instrument main body 3 is installed by being directly attached to the ceiling C surface, and FIG. 5 is a bottom view thereof. Incidentally, p in FIG. 4 is a packing interposed between the instrument body 3 and the ceiling C surface.

[0012]

The ceiling-mounted lighting fixture according to the present invention has the following effects. That is, when temporarily installing the instrument body on the ceiling surface, the center of rotation of the instrument body can be reliably determined, and the temporary attachment operation can be easily performed, and the diameter of the instrument body is large. Even for long and large instruments, the installation work can be done directly and directly on the ceiling, and there is no fear of dropping the instrument body. Further, there is an advantage that even if the blinking operation of the illuminating lamp is operated by the drawstring switch from the side of the device, the device main body can be prevented from swinging greatly.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a part of a ceiling-mounted lighting fixture according to the present invention, which is cut away.

FIG. 2 is a sectional front view of the above.

FIG. 3 (A) is a sectional front view showing a state in which the instrument body is temporarily fixed to a mounting bracket, and FIG. 3 (B) is a sectional front view showing a state in which a support tool is set and an operation tool is tightened.

FIG. 4 is a sectional front view showing a state in which the instrument body is installed on the ceiling surface.

FIG. 5 is a bottom view of the above.

FIG. 6 is a sectional front view of a main part of a conventional ceiling-mounted lighting fixture.

FIG. 7 is a bottom view of the same cutaway one.

[Explanation of symbols]

 1 Mounting Bracket 2 Support Piece 3 Instrument Main Body 4 Instrument Body Insertion Hole 5 Instrument Body Notch 6 Support Tool 7 Support Tool Insertion Hole 8 Support Tool Dharma Hole 9 Operation Tool m Inner Edge of Instrument Body Insertion Hole

Claims (1)

[Claims] 1. A rosette attached to a ceiling, a pair of support pieces horizontally projecting to the side of the rosette, and a tip of which protrudes upward with a space between the rosette and the ceiling surface, and the rosette approximately at the center. Has a through hole through which the support piece is inserted, and a notch which is connected to the through hole and through which the support piece is inserted. The support piece is inserted through the notch and then rotated to be mounted on the support piece. The operation tool includes an instrument main body, an operation tool that is screwed from below to the support piece and has a head at the lower end, a dharma hole through which the head of the operation tool is inserted, and an insertion hole through which a rosette is inserted. A lighting fixture directly attached to the ceiling, comprising: a support member that is locked to the fixture body and is brought into contact with the fixture body by an inner peripheral edge thereof.