JPS5849964B2 - Lighting equipment mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting structure for lighting equipment, and is a method for solving the problem of bolts with sharp ends, such as wood screws, damaging wire sheathing, etc. It was issued.

If there is a gap between the bottom plate of the device body, which is the member to be tightened through which the bolt penetrates, and the mounting surface, which is the member to which the bolt is screwed, and there is an unstable obstacle such as an electric wire in the gap, This invention relates to improvements in the mounting structure of lighting equipment using bolts with sharp tips, which are used where there is a risk of damaging the lighting equipment.

FIG. 1 shows a flanged cap and bolt used in one embodiment of the present invention, and FIG. 2 shows a lighting fixture which is one embodiment of the present invention.

In the figure, reference numeral 1 denotes a flanged cap made of molded resin and having a flanged 2 around the opening, and a plurality of vertically long slits 3, 3, . . . are provided at the tip of the flanged cap.

Reference numeral 4 designates a bolt such as a wood screw with a sharp tip, which is inserted from the inside of the flanged cap 1, and the tip of the flanged cap 1 is incised from the inside and penetrated.

Reference numeral 5 designates a lighting equipment main body, in which a bottom plate 5a of a cylindrical body with an upper opening is further narrowed inward, and a female threaded portion 5 is formed in the cylindrical body.
It is a double cylindrical body formed with b.

A socket 6 is attached to the outer surface of the bottom plate 5a at approximately the center, and through holes 7, 7 are formed facing each other with the socket 6 in between.

A conductive wire 8 pulled out from the socket 6 and pulled out inside the appliance main body 5 passes through the ceiling 9 to expose a power wire 10 indoors.
After the wires are connected to
The end portions of the power supply wire 10 and the conducting wire 8 are stored in the ceiling 9 between the ceiling 9 and the bottom plate 5a, and are attached to the ceiling 9 by means of flanged caps and bolts that pass through the through hole 7 and are screwed onto the ceiling 9. Obtain.

Reference numeral 11 denotes a lamp, which is screwed into the socket 6 and installed.

12I''i It is a spring-shaped glove having a male threaded part 12a on the neck of the upper opening periphery, and after the lamp 11 is attached to the socket 6, it is attached by screwing into the female threaded part 5b of the instrument body 5 and covers the lamp 11.

Next, the installation of the flanged cap and bolts in the above embodiment will be described in detail.

Without unscrewing, the flanged cap 1 is passed through the through hole 7 as shown in the right through hole 7 in FIG.

At this time, the tip of the flange cap 1 is not sharp like a wood screw, so even if it hits the power line 10 or the conductor 8, it will slip and displace them, and the tip will not press against the ceiling 9. comes into contact with.

Therefore, there is no possibility of damaging the sheathing of the power supply line 10 etc. with bolts and causing leakage, unlike in the conventional case.

At this time, the collar 2 has not yet come into contact with the bottom plate 5a of the instrument body 1.

Next, the bolt 4 is inserted from the inside of the flanged cap 1, and a screwdriver or the like is rotated to cut into the ceiling 9 while cutting the tip of the flanged cap 1 from inside with its tip.

When it is rotated further, the head of the bolt 4 presses the collar 2 and brings it into close contact with the bottom plate 5a of the device body 1, as shown in the left through hole 7 in FIG. 2, and the bolt 4 itself is screwed into the ceiling 9. Then, the fixture body 5 is attached to the ceiling 9.

At this time, the inside of the flanged cap 1 between the slits 3 buckles, allowing the flanged cap 1 to come into close contact with the bottom plate 5a.

Incidentally, if the above-mentioned lighting equipment is a so-called waterproof lighting equipment, the flanged cap 1 itself also serves as an insulating bushing between the equipment body 5 and the bolt 4, which is a more effective embodiment.

For waterproof lighting equipment, ground the equipment and press the button just in case.
This is because it is necessary to insulate the body of the bolt device so that the bolt does not touch the wire mesh that is a component of the ceiling and cause an unexpected accident.

In this way, a gap is formed between the mounting surface of the lighting fixture and the bottom plate of the fixture body, and a flanged cap that is longer than the gap and has a closed tip and a plurality of slits on the side is attached to the bottom plate. Insert the tip of the flanged cap into the through hole and make sure the tip of the flanged cap is in close contact with the mounting surface, insert the bolt inside the flanged cap, cut through the tip of the flanged cap from the inside, and then insert the flanged cap into the bolt head. The inside of the flanged cap between the slits is deformed by pressing with the flange, and the flanges are brought into contact with the bottom plate.1. If a lighting fixture is screwed onto the mounting surface with bolts, and there is a gap between the bottom plate of the fixture body through which the bolt passes and the mounting surface where the bolt screws, the obstruction in that gap must be removed from the flange. Lighting equipment can be installed while reliably preventing the tip of the cap from slipping and damaging obstacles with bolts.

[Brief explanation of drawings]

The first bolt shows the flanged cap and bolt used in the embodiment of the present invention, aH is a perspective view of the flanged cap, b is a sectional view, and Fig. 2 shows the implementation of the button on the above lighting equipment. It is a sectional view showing an example. 1...Cap with flange, 2...Brim, 3 slits, 4...
... Bolt, 5... Instrument body, 5a... Bottom plate, 7.
...Through hole.

Claims (1)

[Claims] 1. A gap is formed between the mounting surface of the lighting fixture and the bottom plate of the fixture body, and a flanged pod with a tip closed and a plurality of slits formed on the side surface, which is longer than the gap, is inserted into the through hole of the bottom plate. Place the tip of the flange cap in close contact with the mounting surface, insert the bolt inside the flange cap, cut through the tip of the flange cap from the inside, and press the flange of the flange cap with the bolt head to remove the flange. A lighting fixture mounting structure characterized in that the interior between the slits of the attached cap is deformed, the flange is brought into contact with the bottom plate, and the lighting fixture is screwed onto the mounting surface with bolts.