JPH0688596A - Mounting device of ceiling fan - Google Patents

Abstract

PURPOSE:To clamp a mounting bracket to be attached to an electrical box embedded in a ceiling so firmly, making screws so as not to be loosened even against vibrations in a ceiling fan, and simultaneously obviate the ceiling fan from falling off as well as to facilitate setting work for the mounting bracket. CONSTITUTION:An auxiliary fitting 1 is set up in an electrical box 103, and a mounting bracket 4 is firmly clamped by a machine screw 104 and a bolt 1a, a nut 3, through which any looseness in screws is kept back and a wire 2 connects the auxiliary fitting 1 and the mounting bracket 4, thereby preventing a ceiling fan from falling off. In addition, since the wire 2 is hitched on a groove part of the mounting bracket 4, and this mounting bracket is temporarily clamped to a lower part of the electrical box 103, setting operability is extremely improved in this way.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling fan mounting device in which a mounting bracket is screwed and fixed to an electrical equipment box provided on a ceiling surface.

[0002]

2. Description of the Related Art In recent years, a ceiling fan mounting device that can be mounted on an electrical box for an illuminator attached to a ceiling surface has been used.

Conventionally, a mounting device for this type of ceiling fan is
The structure was as shown in FIG. That is, the mounting bracket 1
01 is fixed to the electrical equipment box 103 embedded in the ceiling 102 with machine screws 104. An opening 101a is provided at the lower end of the mounting bracket 101, and a hanging bracket 105 provided at the upper end of the hanging pipe of the ceiling fan is provided at the opening 101a.
The main body (not shown) of the ceiling fan was hung by fixing the ceiling fan with the fixing metal fitting 106 so as not to come off.

[0004]

In such a conventional ceiling fan mounting device, there is a risk that the small screws will loosen during use and the ceiling fan will fall due to the vibration of the rotation and stop of the ceiling fan. Had challenges.

Further, when mounting the mounting bracket, it is necessary to bring the machine screw into contact with the screw hole while supporting the mounting bracket in a predetermined position with one hand and tighten the screw with a screwdriver with the other hand. There was a problem of poor sex.

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and a first object of the present invention is to provide a ceiling fan mounting device capable of preventing the ceiling fan main body from dropping by strengthening the fixing of the mounting bracket to the electrical equipment box. .

A second object is to provide a mounting device for a ceiling fan which can be easily mounted.

[0008]

A first means for achieving the first object of the present invention is an electrical equipment box fixed to a ceiling surface, and a mounting metal fitting screwed and fixed to a lower portion of the electrical equipment box. And a ceiling fan main body that is hung from this mounting bracket, and an auxiliary bracket that is locked to the electrical box,
It has a bolt protruding from this auxiliary metal fitting and a fall prevention wire whose one end is fixed to the auxiliary metal fitting.The mounting metal fitting is fixed to the bolt with a nut, and the other end of the wire is fixed to the mounting metal fitting. It has a structure.

A second means for achieving the second object is a structure in which the wire can be hooked in a groove portion provided in the mounting bracket so that the mounting bracket can be temporarily fixed to the electrical equipment box.

[0010]

With the construction of the first means described above, the present invention not only connects the electrical equipment box and the mounting bracket with a small screw, but also connects them with a bolt attached to the auxiliary bracket and an attached nut. The machine screw and nut can be maintained in the coupled state without loosening against the reaction force of rotation and stop of.

Further, by the structure of the second means, it is possible to temporarily fix the mounting member while abutting it on the lower part of the electrical equipment box by the tension of the wire hooked in the groove of the mounting member.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. The same components as those of the conventional example are designated by the same reference numerals and detailed description thereof will be omitted.

As shown in the figure, the auxiliary metal fitting 1 is inserted into the electrical equipment box 103, the bolt 1a provided integrally with the auxiliary metal fitting 1 is projected downward, and the mounting metal fitting 4 further includes a nut 3 and two nuts on the bolt 1a. It is fixed to the electrical equipment box with machine screws 104.

Further, one end of the wire 2 is fixed to the auxiliary metal fitting 1, and the other end of the wire 2 is screwed and fixed to the end portion of the fixing metal fitting 106.

In the above structure, first, the electrical equipment box 10
Insert the auxiliary metal fitting 1 into 3 from below, and set it so that the bolt 1a projects downward. The end portion of the auxiliary metal fitting 1 is installed by engaging with the step portion of the electrical equipment box 103.

Next, the mounting bracket 4 is brought close to the lower surface of the electrical component box 103, the tip of the bolt 1a is projected from the hole 4a, and the bolt 1a is screwed with the nut 3 to mount the mounting bracket 4. Further, the mounting bracket 4 is firmly fixed with a small screw 104. After the hanging metal fitting 105 of the ceiling fan is engaged with the mounting metal fitting 4 and the fixing metal fitting 106 is attached, the other end of the wire 2 whose one end is fixed to the auxiliary metal fitting 1 is fixed to the fixing metal fitting 10.
Fix it to 6 with screws.

Therefore, according to the above-described structure, the mounting member 4 has the bolt 1a and the nut 3 in addition to the coupling force of the machine screw 104.
Because the binding force of the
The screws will not easily loosen due to the vibration of the stop. Further, even if the machine screw 104, the bolt 1a, and the nut 3 are all loosened, the wire 2 prevents the auxiliary metal fitting 1 and the fixing metal fitting 106 from being loosened.
Since it is connected, it is possible to prevent the ceiling fan from falling.

As described above, according to the ceiling fan mounting device of the first embodiment of the present invention, it is possible to strengthen the coupling force of the fixing bracket to the electrical equipment box against the vibration of the ceiling fan, and the machine screw 104. Even if all of the bolt 1a and the nut 3 are loosened, the ceiling fan can be prevented from falling by connecting the wire 2.

Next, a second embodiment of the present invention will be described with reference to FIG.
Also, description will be made with reference to FIG. The same components as those of the conventional example and the first embodiment of the present invention are designated by the same reference numerals and detailed description thereof will be omitted.

As shown in FIG.
It has a groove portion 4b which can be hooked.

In the above structure, first, the electrical equipment box 10
3 Insert the auxiliary metal fitting 1 inside. Next, while the mounting metal fitting is brought into contact with the lower surface of the electrical equipment box 103, the wire 2 is pulled while being aligned with the screw position and hooked in the groove portion 4b of the mounting hardware, so that the mounting hardware is temporarily fixed to the lower portion of the electrical equipment box 103. In this state, machine screw 104 and bolt 1
Since it is not necessary to support the mounting bracket 4 with one hand, the work of tightening the a and the nut 3 can be performed easily with both hands.

As described above, according to the ceiling fan mounting device of the second embodiment of the present invention, when mounting the mounting bracket 101, the wire 2 can be hooked in the groove 4b of the mounting bracket 4 and temporarily fixed. The work of attaching the mounting bracket 4 to the electrical equipment box can be performed extremely easily.

[0023]

As is apparent from the above embodiments, according to the present invention, an auxiliary metal fitting with integrated bolts is set inside the electrical equipment box, and the mounting metal fitting is attached to the electrical equipment box with machine screws, bolts and nuts. As a result, the combined state is strengthened to prevent the screws from loosening against the vibration of the operation / stop of the ceiling fan, and the wire attached to the auxiliary metal fitting is connected to the mounting metal fitting to prevent the ceiling fan from falling. It is possible to provide a ceiling fan mounting device that is effective in preventing the above.

When the auxiliary metal fittings to which the wires are screwed are set in the electrical equipment box and the mounting hardware is mounted on the electrical equipment box, the wires are hooked in the grooves of the mounting hardware to temporarily fix the mounting hardware. It is possible to provide a ceiling fan mounting method which eliminates the inconvenience of supporting the mounting bracket and allows the mounting work of the mounting bracket to be extremely easy using both hands.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a ceiling fan mounting device according to a first embodiment of the present invention.

FIG. 2 is an external view of the same portion of the first embodiment and the second embodiment that are cut off.

FIG. 3 is an external perspective view of the second embodiment.

FIG. 4 is a sectional view of a conventional ceiling fan mounting device.

[Explanation of symbols]

 1 Auxiliary metal fitting 1a Bolt 2 Wire 3 Nut 4 Mounting metal fitting 4b Groove 102 Ceiling surface 103 Electrical box 104 Small screw

Claims (2)

[Claims] 1. An electrical equipment box fixed to a ceiling surface, a mounting metal fitting screwed and fixed to a lower portion of the electrical equipment housing, and a ceiling fan main body suspended from the mounting metal fitting.
Auxiliary metal fittings that are locked to the electrical box, bolts protruding from the auxiliary metal fittings, and a fall prevention wire whose one end is fixed to the auxiliary metal fittings, and the mounting metal fittings are fixed to the bolts with nuts. A ceiling fan mounting device in which the other end of the wire is fixed to the mounting bracket. 2. The ceiling fan mounting device according to claim 1, wherein the mounting bracket can be temporarily fixed to the electrical equipment box by hooking a wire in a groove provided in the mounting bracket.