JPH0673833A - Fixing fitting for ceiling equipment - Google Patents

Abstract

PURPOSE:To eliminate the need of boring for a ceiling bed material and to fix the ceiling bed material and supporting bars of equipment apparatus simply and firmly. CONSTITUTION:In a ceiling equipment fixing fitting for fixing supporting bar 12 of an illuminating apparatus 11 on a ceiling bed material in such a manner as to intersect perpendicularly to each other, a top plate 16 is placed on the ceiling bed material 4. L-shaped locking pieces 17, 17 passing both side areas of the supporting bar 12 to lock the ceiling bed material 4 from the opposite sides are hung down from the end areas on the diagonal line of both side areas of the ceiling top plate 16. A clamp screw 16a is screwed into a tapped hole 16a provided on the top plate 16 to fix the supporting bar 12 on the ceiling bed material 4. Thus, the need of boring for the ceiling bed material 4 is eliminated and the ceiling bed material 4 and the supporting bar 12 can be fixed simply and firmly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture for a ceiling installation, and more specifically, a fixture for a ceiling installation in which a support bar of a ceiling installation such as lighting equipment is fixed on a ceiling base material in a perpendicular manner. It concerns metal fittings.

[0002]

2. Description of the Related Art Generally, when a ceiling equipment such as a lighting equipment or an air conditioning equipment is incorporated in a ceiling structure, a support bar of the lighting equipment is orthogonally arranged on a ceiling base material arranged in parallel with the ceiling equipment sandwiched therebetween. Various metal fittings have been proposed for bridging and fixing the support bar to the ceiling base material. Figure 5
Shows an example of a conventional fixing fixture for ceiling equipment. As shown in the drawing, a supporting bar 12 of a ceiling equipment device, for example, a lighting device is laid across the ceiling base material 4 so as to be orthogonal to each other, and male screws 20 are provided at both ends as metal fittings for fixing the supporting bar 12 to the ceiling base material 4. , U-shaped bolts 21 having 20 are used. The U-shaped bolt 21 has male screw portions 20, 20 at both ends inserted into a pair of bolt holes (not shown) formed in the support bar 12 so as to hold the ceiling base material 4 from below, so that both male and female members can be inserted from the upper side of the support bar 12. Screw part 20, 2
The nuts 22 and 22 are tightened to zero.

[0003]

However, in this type of conventional fixing fixtures for ceiling equipment, not only is it necessary to make holes in the support bar, but the U-shaped bolt is pressed from below. Construction was troublesome because the nuts had to be tightened.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a fixing fixture for a ceiling facility which does not require drilling and can be fixed easily and firmly and which has excellent workability. It is a thing.

[0005]

In order to achieve the above object, the fixing fixture for ceiling equipment according to the present invention is premised on the fixing fixture for ceiling equipment for fixing the support bars of the ceiling equipment to the ceiling base material by making them orthogonal to each other. And the upper plate placed on the ceiling base material and the diagonal ends of both side parts of the upper plate through both sides of the support bar, and the ceiling base materials on opposite sides of each other. It is characterized in that it is provided with an L-shaped locking piece for locking from the above and a tightening screw which is screwed into the upper plate and tightens the support bar to the ceiling base material.

[0006]

According to the fixing fixture for ceiling equipment of the present invention configured as described above, when fixing the support bar on the ceiling base material, both locking pieces of the fixing fixture straddle the support bar and the ceiling base material. After placing it on the support bar, fix the support bar on the ceiling base material by rotating the fixing bracket so that both locking pieces hit both sides of the ceiling base material and tightening the tightening screws. be able to. Therefore, it is possible to easily and firmly fix the support bar of the ceiling equipment without needing to make a hole in the ceiling base material, and to support the ceiling equipment in a stable state.

[0007]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view of an example of a ceiling structure provided with a fixing fixture for ceiling equipment of the present invention seen from the back of the ceiling, FIG. 2 is a cross-sectional view of the fixing fixture for ceiling equipment, and FIG. 3 is a fixing fixture for ceiling equipment. The perspective view of the attached state is shown. Here, the case where the ceiling fixture of the present invention is applied to a fixture for lighting equipment will be described.

In FIG. 1 showing the ceiling structure, reference numeral 1 is a suspension bolt suspended from a ceiling slab 2 via an anchor 3.
A ceiling base material 4 made of a channel material is horizontally supported at a lower end portion of the suspension bolt 1 via a hanger 5. The ceiling base materials 4 are arranged in parallel at appropriate intervals, and
A ceiling finishing material 6 made of a J-bar or the like is arranged in the lower part of the so as to be orthogonal to these, and is attached by a hook 7. A joint metal fitting 8 connecting the ceiling base material 4 and the ceiling finish material 6 to each other in the longitudinal direction is attached, and a brace metal fitting 9 for bracing is stretched between the joint metal fitting 8 and the hanging bolt 1. . The breath metal fitting 9 is an upper breath metal fitting 9a that is locked to the suspension bolt 1, a lower breath metal fitting 9b that is locked to the joint metal fitting 8, and the breath metal fittings 9a and 9b.
The main part is constituted by the breath bolt 9c that connects the two. A plurality of divided ceiling panels 10 are provided between the facing ceiling finishing materials 6 and 6, and an equipment panel 13 on which equipments such as a lighting device 11 and an air outlet (not shown), a speaker, a sprinkler, or a smoke detector are attached. Is locked.

In particular, when the lighting equipment 11 is incorporated in the ceiling structure, the lighting equipment 1 mounted on the equipment panel 13 is installed.
1 is disposed between the ceiling base materials 4 and 4 facing each other, and the support bar 12 of the lighting device 11 is bridged between the ceiling base materials 4 and 4 so as to be orthogonal to these. The support bar 12 is made of a channel material and is used with its groove 12a facing upward. In addition, as shown in FIG. 2, the support bar 12 is formed by bending the middle portion into a hat-like shape having a mountain height according to the size of the lighting equipment 11, and the frame of the lighting equipment 11 is formed on the lower surface of the middle portion. 11 a is attached by a bolt 13 and a nut 14.

Both ends of the support bar 12 are placed on the ceiling base materials 4 and 4 on both sides, and are fixed by fixing fixtures 15 for ceiling equipment. As shown in FIG. 3 to FIG. 4, the fixing fitting 15 has a flat rectangular upper plate 16 bent in an inverted U-shape in cross section and having a screw hole 16a provided in the center by burring. L-shaped locking pieces 17, 17 for locking the ceiling base material 4 from opposite sides through both sides of the support bar 12 are provided at diagonal ends of both sides of the upper plate 16 in the longitudinal direction. It is hanging. Locking pieces 17, 17
Is bent diagonally to have an L-shaped cross section so as to hold the ceiling base material 4 from both sides, and is formed on the lower end portion of the ceiling base material 4 between the vertical portion 17b rising from the lower end portion 17a and the claw 17c. It is designed to engage.

The vertical width between the locking pieces 17, 17 is formed to be slightly larger than the lateral width of the support bar 12, and the locking piece 1
The width in the lateral direction between 7 and 17 is formed to be substantially the same as the lateral width of the ceiling base material 4. Also, the upper plate 16 and the locking piece 1
7 and the lower end portion 17a of the ceiling base material 4 and the support bar 1
It is formed to be slightly larger than the height of 2. Then, the tightening screw 18 is screwed into the screw hole 16 a provided in the central portion of the upper plate 16, and the tip of the tightening screw 18 is pressed against the upper surface of the support bar 12.

Next, the procedure for attaching the fixing member 15 of the present invention will be described with reference to FIG.

When the support bar 12 is fixed on the ceiling base material 4 using the fixing fixture 15 for ceiling equipment constructed as described above, first, the fixing fixture 15 is fixed to both locking pieces 17, 17.
Is placed on the support bar 12 so as to straddle the support bar 12 and the ceiling base material 4. Next, the fixing member 15 is rotated in the arrow direction (clockwise direction) of FIG. 3 so that both locking pieces 17, 17 are brought into contact with both side portions of the ceiling base material 4. Then, when the tightening screw 18 is tightened and the tip of the tightening screw 18 is pressed against the upper surface of the support bar 12, the locking pieces 17, 17 ascend together with the upper plate 16 due to the reaction, and the lower end portions 17a, 17a thereof are respectively raised.
Engage with the lower end of the ceiling base material 4 to fix the ceiling base material 4 and the support bar 12. Therefore, when fixing the support bar 12 on the ceiling base material 4, the support bar 1 is surely placed on the ceiling base material 4 by a simple operation without any drilling process.
2 can be fixed, and workability can be improved.

In the above embodiments, the case where the fixing metal fitting of the present invention is applied to the fixing metal fitting for the lighting equipment has been described, but it is needless to say that the fixing metal fitting can also be applied to the fixing metal fitting for the ceiling equipment such as the air conditioner other than the lighting equipment. is there.

[0015]

As described above, according to the fixing fixture for ceiling equipment of the present invention, the upper plate placed on the ceiling base material and the diagonal end portions of both side parts of the upper plate are provided. An L-shaped locking piece that hangs through both sides of the support bar and locks the ceiling base material from opposite sides, and a tightening screw that is screwed into the upper plate and tightens the support bar to the ceiling base material. Therefore, it is not necessary to make a hole in the ceiling base material, and the support bar of the equipment can be easily and reliably fixed to the ceiling base material.

[Brief description of drawings]

FIG. 1 is a perspective view seen from the back of the ceiling showing an embodiment of a ceiling structure having a fixture for a ceiling installation of the present invention.

FIG. 2 is a cross-sectional view showing a mounting state of the fixing fitting for ceiling equipment of the present invention.

FIG. 3 is a perspective view showing a mounting state of a ceiling fixture.

FIG. 4 is a perspective view of a ceiling fixture.

FIG. 5 is a perspective view showing a usage state of a conventional fixing fixture for ceiling equipment.

[Explanation of symbols]

 4 Ceiling base material 11 Lighting equipment 12 Support bar 16 Upper plate 16a Screw hole 17 Locking piece 18 Tightening screw

Claims (1)

[Claims] 1. A ceiling fixture for fixing a support bar of a ceiling equipment device to a ceiling base material by orthogonally fixing the support bar of the ceiling equipment, and an upper plate placed on the ceiling base material and both side portions of the upper plate. L-shaped locking pieces that hang down from diagonal ends through both sides of the support bar and lock the ceiling base material from opposite sides, and are screwed into the upper plate to support the support. A fixture for ceiling equipment, comprising a tightening screw for tightening a bar to a ceiling base material.