KR100635266B1 - Illuminator for ceiling of a building for high and low control - Google Patents

Abstract

A ceiling lighting equipment is provided to brighten an operation site at night by telescoping upper/lower pipes without exposing a power cable, thereby increasing working efficiency. A lower pipe(500) is coupled to a lower end of an upper pipe(400) by using a fixing bolt(540), and plural height adjusting holes(611) are formed on the lower pipe in a longitudinal direction. A height adjusting pipe(600) having a light bulb at a lower end is inserted into the lower pipe, and is fixed to the lower pipe by using the fixing bolt inserted in one of the height adjusting holes. A coiled cable portion(310) of a power cable(300) is inserted in the upper pipe.

Description

Illuminator for ceiling of a building for high and low control}

1 is an exploded perspective view illustrating main parts of a lighting device according to the present invention;

Figure 2 is a side view of a state in which the luminaire according to the present invention is installed

Explanation of symbols for main parts of the drawings

100: ceiling slab 200: cable pipe

300: power cable 310: cable part

400: upper tube 410: junction flange

411: anchor ball 420: bolt ball

430: anchor bolt 500: lower pipe

510: fastening joint 511: fastening hole

520: fixing hole 530: fastening bolt

540: fixing bolt 600: height adjustment pipe

610: body 611: height adjustment hole

612 socket 620 lampshade

630: Bulb

The present invention relates to a building ceiling lighting fixtures that can be adjusted in height, and more specifically, it is possible to adjust the height according to the lighting fixtures installed on the ceiling as necessary to improve the work efficiency by brightening the work area at night work, In addition, since the power cable is not exposed to the outside to install the lighting fixtures outdoors to provide a building ceiling lighting fixtures that can be adjusted in height without the risk of leakage even under the influence of rain.

In general, lighting fixtures are electric appliances that emit light, and are not only used in general homes, large buildings, factories, etc., but also widely used in various places such as display stands for advertisements or advertisement signs to attract visual attention of people.

The lighting device is usually installed directly on the ceiling or the wall, or the light and the light emitted from the light bulb that is turned on and off in accordance with the user's switch operation in the state coupled to the socket connected to the wire drawn from the ceiling or wall A reflector is installed to make this lighter.

By the way, the lighting fixtures installed on the ceiling are fixed at a certain height, so even though the lights are blurred, the lights may spread at a wide angle, but they do not clearly reveal only the part to be worked on, so there is a lot of inconvenience to work, which reduces work efficiency. In this case, to adjust the brightness of the luminaire, it is necessary to replace it with a high candles or turn on a separate luminaire.

And when the lighting fixtures are installed outdoors, even if there is a ceiling, if the rainstorms drive rainwater affects the lighting fixtures, that is, there is a problem that the short-circuit phenomenon easily occurs as the power cable is exposed to the rainwater.

Therefore, the present invention is to solve the above problems, an object of the present invention is to be able to easily adjust the height of the lighting fixture to brighten the work area at night to improve the work efficiency, and also the power cable It is to provide a building ceiling luminaire that can be adjusted in height to prevent the electric shock caused by rainwater is prevented even if the lighting fixture is installed outdoors because it is not exposed to the outside.

The object of the present invention is to communicate the lower tube installed on one side to communicate with the lower end of the upper tube, a plurality of height adjustment holes are formed in the lower tube in the longitudinal direction, the lower end of the height adjustment tube installed bulb Insert the lifter to connect the fixing bolt to one of the height adjustment holes so that the height adjustment pipe is fixed to the lower pipe, and the power pipe is built into the cable part wound around the upper pipe when the height control pipe is elevated. This is accomplished by having the cable part wound up and being unwound.

The present invention as described above, when you want to brighten the work area as needed, the light bulb installed in the height control pipe descends downwards as much as the height adjustment pipe is lowered down to clearly illuminate the work area, the height control pipe If you raise it upwards, the light bulb will go up the length of the light, but the light will not brighten any part, but it can spread at wide angles. Also, the power cable stretched through the ceiling slab is embedded in the upper pipe, lower pipe, and height control pipe. The furnace can be effectively achieved without being exposed to the furnace.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment that can effectively achieve the object of the present invention.

1 is an exploded perspective view illustrating main parts of a lighting device according to the present invention, and FIG. 2 is a side view illustrating a state in which the lighting device according to the present invention is installed, and the present invention includes a power cable 300 embedded in a ceiling slab 100. In the installation of a light bulb, such as a light bulb 630 to the power cable 300 is exposed to the upper tube 400 by buying the cable tube 200, the fixed bolt on one side to communicate with the lower end of the upper tube 400 ( Speak the lower tube 500 is installed 540, a plurality of height adjustment holes 611 in the longitudinal direction inside the lower tube 500 is formed.

And the height adjustment pipe 600 is installed at the lower end of the height adjustment pipe 600 is installed to be elevated by coupling the fixing bolt 540 to any one of the height adjustment holes 611, the height control pipe 600 is the lower pipe 500 To be fixed to the upper pipe 400, and the power cable 300 is built into the cable part 310 wound like a spring so that when the height control tube 600 is elevated, the wound cable part of the upper pipe 400 The 310 is characterized in that it is unwinded and wound to be elevated.

In the figure, reference numeral 410 is a joint flange portion formed in the upper tube, 411 is an anchor hole formed in the joint flange portion, 420 is a bolt hole formed in the upper tube, 430 is a top tube An anchor bolt for installing on the ceiling slab, 510 is a fastening joint formed in the lower pipe, 511 is a fastening hole formed in the fastening joint, 520 is a fixing hole formed in the lower pipe, 530 is A fastening bolt for coupling the upper tube and the lower tube, 610 is the body of the height control tube, 612 is a socket, 620 is a lamp shade.

The present invention is to adjust the height of the lighting fixtures as needed, that is, when working at night to close the light bulb 630 closer to the ground so that the work space can be made smoothly, When not working, the light bulb 630 is farther away from the ground so that the red is weak but can spread farther.

In addition, even if the lighting fixture is installed on the outside to prevent rainwater from penetrating the power cable, it is possible to effectively prevent the short circuit caused by this.

That is, in the present invention, as illustrated in FIGS. 1 and 2, the power cable 300 embedded in the ceiling slab 100 is stretched out of the ceiling slab 100 while being protected by the cable pipe 200 and then the upper pipe 400. ) Is installed in close contact with the ceiling slab 100, the power cable 300 is inserted into the upper tube 400 before the upper tube 400 is installed so as to protrude out of the upper tube 400.

After the junction flange 410 of the upper tube 400 is in close contact with the ceiling slab 100 and the anchor bolt 430 through the anchor hole 411 formed in the joint flange 410 and the upper tube 400 is firmly fixed to the ceiling slab (100).

And since the upper tube 400 is a portion in which the cable portion 310 of the power cable 300 wound in a spring shape is built, the diameter of the body is increased when the upper tube 400 is manufactured, so that the cable portion 310 is smooth. Make sure it fits in.

After the upper tube 400 is installed, the power cable 300 exposed through the upper tube 400 passes through the lower tube 500 and then combines the lower tube 500 with the upper tube 400. The lower pipe 500 has a fastening joint 510 having a fastening hole 511 formed therein, and the upper pipe 400 has a bolt hole 420 formed thereon, such that the lower pipe 500 has an upper pipe 400. When the fastening bolt 530 is fastened to be in close contact with the fastening hole 511 and the bolt hole 420, the upper tube 400 and the lower tube 500 remain coupled to each other. .

Here, the upper tube 400 and the lower tube 500 may be manufactured and installed integrally without separately manufacturing the upper tube 400 and the lower tube 500.

Power cable 300 protruding into the lower pipe 500 in the state in which the lower pipe 500 is combined with the upper pipe 400 is inserted into the height control pipe 600 again and then the height control pipe 600 is lower pipe ( 500 is coupled to the height control tube 600 is formed with a plurality of height adjustment holes 611, the lower tube 500 is a fixed hole 520 is formed so that the body of the height control tube 600 ( 610 is inserted into the lower tube 500, and then selects any one of the plurality of height adjustment holes 611 formed in the body 610 to match the fixing hole 520 of the lower tube 500 When fastening the fixing bolt 540 through the fixing hole 520 and the height adjustment hole 611, the height control tube 600 is coupled to the lower tube (500).

Here, the power cable 300 inserted into the height control tube 600 is connected to the lower socket 612 of the height control tube 600, the light bulb 630 is inserted into the socket 612, the height control tube Outside the 600 is a lamp shade 620 is installed.

When using the light fixtures installed in this way, the current light bulb 630 is located at a high position so that the light does not properly illuminate the work area. Loosen the fixing bolt 540 fastened to penetrate the) height control tube 600 is the body 610 inserted into the lower tube 500 is free to move as the fixing device is released.

After releasing the fixing device of the height control tube 600 as described above lowers the body 610 of the height control tube 600 by a desired length of the fixing hole 520 and the body formed in the lower tube 500 at the position After matching the height adjustment hole 611 formed in the 610 again and fastening the fixing bolt 540, the light bulb 630 as much as the length of the body 610 of the height control tube 600 descends downwards by the work Closer to the site to brighten the work area will improve work efficiency.

Here, the spring-shaped cable portion 310 is released as much as the length of the height adjustment pipe 600 is lowered.

On the contrary, if the light bulb 630 is positioned too low and cannot reveal a wide space, the body 610 of the height control tube 600 is released after the fixing bolt 540 is released. When the fixed bolt 540 is tightened again after entering a predetermined length into the bulb, the bulb 630 is also raised by the length of the body 610 inserted into the lower tube 500, and the cable part 310 is again spring-shaped. It is wound up.

In the present invention, since the upper pipe 400 and the lower pipe 500 are fixed, the height adjusting pipe 600 is elevated in the lower pipe 500 in a fixed state, and thus the plurality of height adjustments formed in the height adjusting pipe 600 are performed. By fastening the fixing bolt 540 at the changed position of the hole 611, the height control tube 600 can be fixed to the elevated position.

In addition, the present invention is to prevent the rain water penetrates into the power cable 300 even if the lighting fixture is installed outdoors to be affected by the weather, that is, the power cable 300 through the ceiling slab 100 immediately after the upper pipe 400 ) And the lower tube 500 into the height control tube 600, so that the power cable 300 is not exposed to the outside at all, so there is no fear that rainwater may penetrate into the power cable 300, resulting in a short circuit phenomenon. Since it is not possible to replace the bulb 630 or to repair the lighting fixtures will be out of the risk of electric shock.

As described above, the preferred embodiment of the present invention has been described, but the present invention may use various changes, modifications, and equivalents. Therefore, the above description does not limit the scope of the present invention as defined by the limitations of the following claims.

As described above, the luminaire of the present invention is capable of height adjustment so that the work area can be more brightly illuminated at night, thereby improving work efficiency. It is a very useful invention that can prevent the electric shock due to the possibility of short-circuit even if it is installed in the outdoors and is affected by the weather.

Claims (2)

In the case of installing a light bulb 630, such as a light bulb 630 in the power cable 300 is exposed to the upper pipe 400 by purchasing the cable pipe 200 is embedded with the power cable 300 in the ceiling slab 100, At the lower end of the upper tube 400 to communicate the lower tube 500 is installed fixed bolt 540 on one side in communication, the lower tube 500 inside the plurality of height adjustment holes 611 are formed in the longitudinal direction, Insert the height adjustment pipe 600 installed at the lower end of the light bulb 630 to be elevated to combine the fixing bolt 540 in any one of the height adjustment holes 611, the height adjustment pipe 600 is the lower pipe 500 Fixed to, In the upper tube 400, the power cable 300 is built into the cable portion 310 wound like a spring, and when the height control tube 600 is elevated, the wound cable portion 310 of the upper tube 400 is released. Height adjustable building ceiling luminaire, characterized in that it is wound up and lifted. The method of claim 1, The upper tube 400 and the lower tube 500 is fixed and the height control tube 600 is assembled to be elevated as a fixing bolt 540 by changing the position of the height adjustment hole 611 in the lower tube 500. Building ceiling luminaire which height adjustment was possible characterized by.

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