KR102033681B1 - Posts for explosion proof lamp - Google Patents

Abstract

The present invention relates to an explosion-proof lighting (light) pillar. Specifically, an upper tube installed with explosion-proof lighting is elevated along a lower tube so as to simply adjust a height of the pillar, thereby being easy to replace and repair a lamp of a small luminaire having a relatively small size and a low height.

Description

Explosion-proof writing props {POSTS FOR EXPLOSION PROOF LAMP}

TECHNICAL FIELD The present invention relates to an explosion proof lighting support, and more particularly, to an explosion proof lighting support that is capable of height adjustment and is easy to replace and repair.

In general, explosion-proof lighting (lights) illuminate roads, sidewalks, parks, etc. at night, and when the lamps of the explosion-proof lamps become dirty, illuminance gradually decreases, so that the lamp cover is periodically cleaned or the lamp itself. Should be replaced.

On the other hand, a conventional luminaire is composed of a structure in which the lighting lamp is positioned much higher than the height of a person for the purpose of broadly illuminating the surroundings, and this structure has various problems such as the following for the replacement and repair of the lighting lamp. Will cause.

To clean the lamp cover or to replace the lamp, a separate ladder has to be used, which makes it difficult to replace and repair the lamp. When the height of the pillar supporting the lamp is relatively high, such as a street lamp, extra special equipment such as an expensive ladder truck or a crane is required, which increases cost, takes a lot of work time, and is safe for workers to fall down during work. There was a problem that an accident could occur.

In order to solve this problem, conventionally, as in the Republic of Korea Utility Model Registration No. 20-0145652, Republic of Korea Registration Utility Model No. 20-0279420, and Republic of Korea Patent Registration No. 10-1621016, By making the props foldable, workers can safely and easily replace and repair lamps on the ground without having to move to high places through expensive special equipment.

In addition, the Republic of Korea Patent No. 10-1006727 has a separate lifting means such as guide rails in the holding of the luminaire to elevate the lamp itself so that the operator can safely and easily replace and repair the lamp on the ground. .

However, in the techniques proposed in the above-mentioned prior documents, most of the techniques proposed for applying to a large luminaire having a large size and a high height, the configuration of the driving means for lifting and folding the prop of the luminaire is somewhat complicated, The installation and driving method was somewhat complicated, and this caused a problem of high installation and management costs.

KR 20-0145652 Y1, 1999. 02. 19. KR 20-0279420 Y1, 2002. 06. 11. KR 10-1621016 B1, 2016. 05. 09. KR 10-1006727 B1, December 31, 2010.

Accordingly, the present invention has been proposed to solve the problems of the prior art, and provides an explosion-proof holding post that is easy to replace and repair the explosion-proof lighting (lighting lamp) by simply adjusting the height of a small luminaire having a relatively small size and a low height. Its purpose is to.

The present invention according to an aspect for achieving the above object is an explosion-proof upper tube is installed; A lower tube having an inner diameter smaller than that of the upper tube so that the upper tube is inserted and lowered; And a connecting means connecting the upper tube and the lower tube to each other, wherein the connecting means has a male screw shape having a thread formed on an outer circumferential surface thereof, and an upper end portion is inserted into the lower end of the upper tube to be in close contact with an inner circumferential surface thereof. The joint is screwed with the thread formed on the inner peripheral surface of the lower end is inserted into the upper end of the lower tube; The inner circumferential surface is formed of a female screw in a ring shape, the lower end of the upper tube is inserted into the upper end and screwed with the thread formed on the outer circumferential surface of the upper tube, the lower end is screwed with the thread formed on the outer circumferential surface of the joint Upper fixing ring; And a female screw in a ring shape having a thread formed on an inner circumferential surface thereof, and screwed to a thread formed on an outer circumferential surface of the joint under the upper fixing ring to lock the upper fixing ring so that the upper fixing ring is not separated from the joint. It provides an explosion-proof holding post characterized in that it comprises a lower fixing ring.

Preferably, the joint is a stepped portion formed in the upper end is inserted into the inside of the upper tube is in close contact with the inner circumferential surface, the upper fixing ring is a lower end portion is bent inward to the inner diameter of the lower end portion of the upper fixing ring is coupled to the upper tube Is formed to have an inner diameter smaller than the inner diameter of the upper end of the step may be characterized in that the stepped portion is formed to support the stepped portion and screwed to the thread formed on the outer peripheral surface of the joint.

Preferably, the lower end of the lower tube may be characterized in that the lower fixing ring is further provided with a locking projection protruding or oozing in the vertical direction so as not to be separated from the lower tube.

Preferably, when the lower fixing ring is released from the joint and released, the upper fixing ring is unlocked, and when the upper fixing ring is released from the joint and separated, the upper tube descends along the outer circumferential surface of the lower tube. It may be characterized by.

As described above, according to the explosion-proof strut according to the present invention, by lifting the upper tube with explosion-proof lighting along the lower tube to easily adjust the height of the strut, lamp replacement and repair work of small luminaires of small size and low height This is easy.

Therefore, it is possible to reduce the cost and work time by avoiding the use of expensive special equipment. In addition, the replacement and maintenance work is simple, so that no worker's safety accident occurs during the work, and can be efficiently applied to small luminaires such as garden lights.

1 is a view showing for explaining the explosion-proof strut according to an embodiment of the present invention.
Figure 2 is an enlarged perspective view of the 'A' portion shown in FIG.
3 is an exploded perspective view of a portion 'A' shown in FIG. 2;
4 is a cross-sectional view of a portion 'A' shown in FIG.
5 is a view illustrating an assembly process of the explosion-proof writing post according to an embodiment of the present invention.
6 is a view illustrating a separation process of the explosion-proof writing post according to an embodiment of the present invention.
Figure 7 is a view showing a state in which the length of the explosion-proof writing posts reduced in accordance with an embodiment of the present invention.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms.

In this specification, the embodiments are provided so that the disclosure of the present invention may be completed and the scope of the present invention may be completely provided to those skilled in the art. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

Also, like reference numerals refer to like elements throughout. In addition, the terms used (discussed) herein are for the purpose of describing the embodiments are not intended to limit the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. In addition, components and operations referred to as 'includes (or includes)' do not exclude the presence or addition of one or more other components and operations.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionary are not ideally or excessively interpreted unless they are defined.

Hereinafter, technical features of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view for explaining the explosion-proof strut according to an embodiment of the present invention, Figure 2 is an enlarged perspective view of the 'A' portion shown in Figure 1, Figure 3 ' 4 is an exploded perspective view of a portion 'A', and FIG. 4 is a cross-sectional view of the portion 'A' shown in FIG. 2.

1 to 4, explosion-proof writing support according to an embodiment of the present invention is the upper tube 10 is installed explosion-proof lighting 1, and the lower tube 20 is supported on the pedestal 2 is installed on the ground ), And a connecting means 30 for interconnecting the upper tube 10 and the lower tube 20.

Explosion-proof lighting (1) installed on the upper portion of the upper tube 10 is a lamp including a lamp that emits light, not limited to the structure and shape shown in Figure 1, where the explosion-proof lighting (1) is installed And various structures and shapes depending on the use.

The pedestal 2 supporting the lower portion of the lower tube 20 is also not limited to the structure and shape shown in FIG. 1, and may be formed in various structures and shapes depending on the place where the explosion-proof lighting 1 is installed. For example, it may be made of a plate, auger, or the like, the material may also be made of metal, concrete or synthetic resin (plastic).

As shown in FIG. 4, the upper tube 10 is a hollow tube member, and is formed of a metal tube having a diameter larger than the outer diameter of the lower tube 20 so that the upper tube 10 can be elevated in the longitudinal direction of the lower tube 20.

The lower tube 20, like the upper tube 10, is a hollow tube member, and is formed of a metal tube having a diameter smaller than the inner diameter of the upper tube 10 so that the lower tube 20 can be inserted into the upper tube 10.

The upper tube 10 and the lower tube 20 are interconnected through the connecting means 30. At this time, the thread (10a, 20a) is formed on the outer peripheral surface of the lower end of the upper tube 10 and the outer peripheral surface of the upper end of the lower tube (20).

3 and 4, the connecting means 30, the joint 31, the upper fixing ring 32 and the lower fixing ring 33 to combine the upper tube 10 and the lower tube 20 to be assembled disassembled It includes.

The joint 31 has a thread 31a formed on an outer circumferential surface thereof so that the upper fixing ring 32 and the lower fixing ring 33 are screwed together, and an upper end portion of the upper tube 10 is formed with a stepped portion (flange 31b). It is inserted into the lower end and is in close contact with the inner circumferential surface. In addition, the joint 31 has a screw thread 31c formed on the inner circumferential surface thereof and is screwed with the thread 20a formed on the outer circumferential surface of the upper end of the lower tube 20.

3 and 4, the upper fixing ring 32 is for coupling the upper tube 10 to the joint 31, the upper tube 10 consists of a ring-shaped female screw thread formed on the inner peripheral surface (32a) Is inserted into the lower end of the screw threaded to the thread (10a) formed on the outer peripheral surface of the upper tube (10).

And, as shown in Figure 4, the lower end of the upper fixing ring 32 is bent inwardly so that the inner diameter of the lower end of the upper fixing ring 32 has a smaller inner diameter than the inner diameter of the upper end of the portion where the upper tube 10 is coupled ( 32b is formed, and the thread 32c in which the thread 31a formed in the outer peripheral surface of the joint 31 is screwed is formed in the inner peripheral surface of the step part 32b.

As shown in FIG. 4, the stepped part 32b formed on the upper fixing ring 32 supports the lower part of the stepped part 31b of the joint 31, while the joint part 32c is formed on the stepped part 32b. The screw 31 is screwed to the thread 31a of the 31 to support the joint 31 so that the joint 31 is not separated downward from the upper tube 10 while the joint 31 is inserted into the upper tube 10.

As shown in FIG. 4, the lower fixing ring 33 is for stably fixing the upper fixing ring 32 to the joint 31. The lower fixing ring 33 is formed of a female screw in a ring shape having a thread 33a formed on an inner circumferential surface thereof, and the upper fixing ring It is screwed into the threaded part 31a of the joint 31 under the (32).

5 is a view illustrating an assembly process of the explosion-proof writing post according to an embodiment of the present invention.

As shown in FIG. 5A, the upper end portion of the joint 31 is inserted into the upper tube 20 in a state where the lower end portion of the joint 31 is screwed to the lower tube 20. Thereafter, as shown in (b) of FIG. 5, the upper fixing ring 32 is screwed to the upper tube 20 and the joint 31 to fix the upper tube 20 to the joint 31. Subsequently, as shown in FIG. 5C, the lower fixing ring 33 is screwed to the joint 31 to support the upper fixing ring 32 to be stably fixed to the joint 31.

6 is a view illustrating a separation process of the explosion-proof writing post according to an embodiment of the present invention.

As shown in (a) of FIG. 6, the lower fixing ring 33 is opened as shown in (b) of FIG. 6 in a state perpendicular to the lower tube 20 by the upper tube 10 and the connecting means 30. When the upper fixing ring 32 is released from the joint 31, the upper fixing ring 32 is released. In this state, the upper fixing ring 32 is removed from the joint 31 as shown in FIG. ) Is lowered along the lower tube (20).

Figure 7 is a view showing a state in which the length of the explosion-proof writing support is reduced in accordance with an embodiment of the present invention.

As shown in FIG. 7, when the lower fixing ring 33 of the connecting means 30 is separated from the joint 31, the upper fixing ring 32 that fixes the upper tube 10 to the joint 31 is released. The upper tube 10 can be lowered along the lower tube 20, thereby lowering the height of the explosion-proof strut can easily replace the explosion-proof lighting (1) installed on the top of the upper tube (10).

On the other hand, the lower end of the lower tube 20 may be further provided with a locking projection (not shown) for protruding or projecting in the vertical direction so that the lower fixing ring 33 is not separated from the lower tube (20).

As described above, the technical spirit of the present invention has been described in detail in the preferred embodiments, but the above-described preferred embodiments are for the purpose of description and not of limitation. As such, those skilled in the art may understand that various embodiments are possible through the combination of the embodiments of the present invention within the scope of the technical idea of the present invention.

1: explosion proof lighting
2: pedestal
10: upper tube
20: lower tube
30: connection means
31: joint
32: upper fixing ring
33: lower fixing ring
10a, 20a, 31a, 31c, 32c, 33a: thread
31b, 32b: stepped portion

Claims (4)

Upper pipe is installed explosion-proof lighting;
A lower tube having an inner diameter smaller than that of the upper tube so that the upper tube is inserted and lowered; And
Connecting means for interconnecting the upper tube and the lower tube; Including,
The connecting means,
A screw thread is formed on the outer circumferential surface, and the upper end is inserted into the lower end of the upper tube to be in close contact with the inner circumferential surface, and the lower end is inserted into the upper end of the lower tube and screwed with the thread formed on the inner circumferential surface of the lower end. Joints;
It is made of a ring-shaped female screw thread formed on the inner circumferential surface, the lower end of the upper tube is inserted into the upper end and screwed with the thread formed on the outer circumferential surface of the upper tube, the lower end is screwed with the thread formed on the outer circumferential surface of the joint Upper fixing ring; And
A lower portion of the ring-shaped female screw formed on the inner circumferential surface and screwed to the thread formed on the outer circumferential surface of the joint under the upper fixing ring to lock the upper fixing ring so that the upper fixing ring is not separated from the joint. Retaining ring;
Explosion-proof writing props comprising a.
The method of claim 1,
The joint has a stepped portion formed in the upper end is inserted into the inside of the upper tube to be in close contact with the inner circumferential surface, the upper fixing ring is the lower end is bent inward to the inner diameter of the upper end of the upper end portion of the upper fixing ring is coupled to the upper tube An explosion-proof strut formed with a smaller inner diameter, the stepped portion supporting a stepped portion of the joint and screwed to a thread formed on an outer circumferential surface of the joint.
The method of claim 1,
The lower end of the lower pipe explosion-proof struts characterized in that the lower fixing ring is further provided with a locking projection protruding or protruding in the vertical direction so as not to be separated from the lower pipe.
The method of claim 2,
When the lower fixing ring is released from the joint and separated, the locking of the upper fixing ring is released, and when the upper fixing ring is released and separated from the joint, the upper tube is lowered along the outer circumferential surface of the lower tube. Explosion-proof lighting holding.

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