KR20170001915U

KR20170001915U - Improved gas piping clamp

Info

Publication number: KR20170001915U
Application number: KR2020150007605U
Authority: KR
Inventors: 양형수; 김광수
Original assignee: (주)대영하이텍
Priority date: 2015-11-23
Filing date: 2015-11-23
Publication date: 2017-06-01

Abstract

The present invention relates to an improved clamp for gas piping, and more particularly, to a clamp for gas piping having a pair of clamps mounted on an outer circumferential surface of a gas pipe having a flange formed thereon, And the bolts are fastened to the connecting portion of the piping, thereby improving workability and safety of the pedestrian.

Description

Improved gas piping clamp.

Conventionally, a clamp for connecting various gas pipes is known. Generally, a clamp device used for connection of a large gas pipe is composed of two sets of bolts to be coupled to each other. A hook is formed at the inner end of one clamp part to be engaged with a coupling ring or a coupling groove formed in the periphery of the end closing plate When the clamping jaws of the two clamping parts are engaged with the coupling grooves of the connecting ring or the end closing plate, respectively, the clamping parts of the two halves of the clamping parts are bolted together so that the suction tube and the end closing plate are sealed.

As an example of such a conventional clamping device, the connecting clamp of the gas suction / discharge tube of the registered utility model No. 20-0422136 (registered on July 14, 2006)

A clamping jaw is formed at an inner end of the clamping portion and is connected to the clamping portion by bolts. In the clamping portion, the extension portion (30) protrudes from the outer end of the clamping portion (12) And a groove 32 having no outer wall on which the above-described extension part is seated is formed at the outer end of the other half clamp part 14. [

However, in the case of the connection clamp of the gas suction / discharge pipe, since the connecting structure of the clamp part is protruded to the outside of the pipe, the clamping force is not applied to the whole pipe, There is a problem that a safety accident frequently occurs when a worker falls down while walking.

In addition, a clamp device of patent No. 10-1560117 (registered date: Oct. 06, 2015), a patent device disclosed in Japanese Patent Application Laid-Open No. 10-2015-0070029 (date of publication: June 24, 2015) No. 10-1559084 (filed on October 02, 2015) discloses a bidirectional pressurizing bushing and a pipe connecting clamp including the bidirectional bushing.

These devices also have a structure in which the connecting portion of the pipe protrudes to one side, thereby causing a safety accident such as a tripping of a worker and a pedestrian. Such a problem is not a problem in that the sealing force of the connecting portion of the gas pipe can not be ensured because it is not a connection through the close contact of the respective pipe connecting portions connected to each other in such a manner that the connecting portion of the pipe is actually sealed from the outside to the inside .

The present invention has been accomplished in view of the above circumstances, and it is an object of the present invention to provide a gas piping system in which a flange is formed at each pipe connecting portion and a flange and a bolt Each of the flanges being in close contact with each other to seal the connecting portion, thereby improving the workability and ensuring the safe walking of the pedestrian.

The object of the present invention is to provide gas pipes 1 and 2 having flanges 10 and 20 formed with annular grooves 11 and 21 at ends thereof and flanges 10 and 20 of the gas pipes 1 and 2 (31) and a plurality of female screw holes (32) formed to communicate with the receiving grooves (31) are formed on the inner side so as to enclose the outer circumferential surfaces of the flanges (10, 20) A pair of semicircular clamps 30 having a shape of a semicircular shape and a bolt 40 which is screwed to the female threaded hole and the end portion of which is inserted into the annular grooves 11 and 21 of the flanges 10 and 20 And a clamp for an improved gas piping comprising:

As another embodiment of the improved gas piping clamp for achieving the object of the present invention,

A gas pipe (1, 2) having flanges (1a, 2a) formed at its ends and a female coupler (210) fitted to the outer surface of the gas pipe (1) and having a female thread (211) And an male coupler 210 which is fitted on the outer surface of the gas pipe 2 and has a male screw thread 221 on the inner side and a smooth face 222 on the outer side.

(Not shown) for increasing the sealing force between the flanges 10, 20, 1a, 2a.

The packing is characterized by being formed of a stretchable material such as synthetic resin or rubber.

As described above, the improved gas piping clamp according to the present invention has a configuration in which the entire flange formed at the connecting portion of the gas pipe is clamped and connected, and the inner flange is pressed using several bolts at one side. The flange can be completely prevented by using the clamp while keeping the flange completely. Also, the flange is pressed and adhered through the multiple bolts, so that the workability is excellent and there is no part where the clamp protrudes to the outside, It is possible to prevent the occurrence of a safety accident.

Further, in the clamp for gas piping according to another embodiment, the gas piping can be easily connected through a simple structure by forming a flange with respect to the end portion of the pipe, inserting male and female couplers on the outside, The work can be quickly processed and the inconvenience due to the gas shutoff can be minimized. In particular, the screw fastening state can be tightly fastened through a general tightening tool such as a spanner, and the workability is excellent.

1 is an exploded perspective view of an embodiment of an improved gas piping clamp according to the present invention;
2 is an assembled sectional view of an improved gas piping clamp according to the present invention;
3 is an exploded perspective view of another embodiment of an improved gas piping clamp according to the present invention;
Figure 4 is an assembled cross-sectional view of another embodiment of an improved gas piping clamp according to the present invention;

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

The embodiments described below are intended to be illustrative in nature to enable those skilled in the art to easily carry out the invention and that the technical idea and scope of the present invention will be limited It does not mean anything.

In addition, the size and shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined in particular in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or the operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

1 is an exploded perspective view of an embodiment of an improved gas piping clamp according to the present invention, Fig. 2 is an engaging cross-sectional view of an improved gas piping clamp according to the present invention, and Fig. 3 is a cross- Fig. 4 is an assembled cross-sectional view of another embodiment of an improved gas piping clamp according to the present invention. Fig. 4 is an exploded perspective view of another embodiment of an improved gas piping clamp according to the present invention.

[First Embodiment]

1 and 2, the improved clamp 100 for gas piping according to the present invention includes a flange 10 formed at an end of a gas pipe 1 and having an annular groove 11 formed at a central portion thereof, A flange 20 having an annular groove 21 formed at the end of the gas pipe 2 connected to the gas pipe 1 is closely contacted with the flange 20 and a receiving groove 31 is formed on the inner side to surround the flange 10, And a pair of semicircular clamps 30 having a cross section formed in a "C" shape.

The clamp 30 has a plurality of female screw holes 32 formed on one side thereof and an end of the bolt 40 which is formed to communicate with the receiving groove 31 and is exposed to the receiving groove 31 .

The clamp 100 for gas piping according to the first embodiment configured as described above is constructed such that the flanges 10 and 20 formed with the annular grooves 11 and 21 formed at the ends of the gas pipes 1 and 2 to be connected are in close contact with each other Flanges 10 and 20 are inserted into the receiving grooves 31 of a pair of semicircular clamps 30 on the outside of the flanges 10 and 20 in a state where the clamps 30 and the clamps 30 are engaged with each other, The bolts 40 are fastened to the holes 32 so that the ends of the bolts 40 penetrate the female screw holes 32 and are inserted into the annular grooves 11 and 21 of the flanges 10 and 20, 20 are tightly pressed against each other by the pressures of the bolts 40 so that the respective gas pipes are connected.

[Second Embodiment]

3 to 4, the clamp 200 for gas piping according to the second embodiment of the present invention has the flanges 1a and 2a A male coupler 210 having an female thread 211 formed on the outer surface of each of the gas pipes 1 and 2 and an male coupler 220 having a male screw thread 221 are inserted and screwed Of the gas piping (1, 2).

At this time, the smooth surfaces 212 and 222 are formed at positions corresponding to the edges of the male coupler 210 and the male coupler 220, respectively, and the screwed state is tightened using a tightening tool such as a spanner (not shown) .

Each of the gas pipes can be quickly and precisely connected through the screw coupling method using the male coupler 210 and the male coupler 220 as described above, thereby minimizing inconvenience due to gas shutoff.

On the other hand, a packing (not shown) having elasticity of a rubber material is inserted between the flanges in the first embodiment and the second embodiment so that the sealing force of the flange can be further increased.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

10, 20: flange 11, 21: annular groove
30: clamp 31: receiving groove
32: Female threads 40: Bolts
210: female coupler 211: female thread
212: smooth surface 220: male coupler
221: male screw acid 222: smooth surface

Claims

Gas pipes (1, 2) having flanges (10, 20) formed with annular grooves (11, 21) at ends thereof;
(31) and the receiving groove (31) so as to surround the outer circumferential surface of the flanges (10, 20) while the flanges (10, 20) of the gas pipe A pair of semicircular clamps 30 having a cross section in which a plurality of female screw holes 32 are formed;
And a bolt (40) screwed into the female screw hole () to have an end portion fitted into the annular groove (11, 21) of the flange (10, 20)
A pair of clamps 30 are inserted into the outer circumferential surface of the flanges 10 and 20 in close contact with each other and the bolts 40 are screwed to the female screw holes 32. Thus, Is inserted into the annular grooves (11, 21) of the flanges (10, 20) so that the flanges (10, 20) are pressed and brought into close contact with each other.

Gas pipes (1, 2) having flanges (1a, 2a) at their ends;
A female coupler 210 which is inserted into the outer surface of the gas pipe 1 and has a female thread 211 on the inside and a smooth surface 212 on the outside;
And an male coupler 210 inserted into the outer surface of the gas pipe 2 and having a male screw thread 221 on the inner side and a smooth face 222 on the outer side,
The male coupler 210 and the male coupler 220 fitted to the outer surfaces of the gas pipes 1 and 2 are tightened by screwing the flanges 1a and 2a in tight contact with each other, Wherein the fastening member is firmly screwed.

3. The method according to claim 1 or 2,
And further comprises a packing (not shown) between the flanges (10, 20), (1a, 2a) to increase the sealing force.

The method of claim 3,
Characterized in that the packing is formed of an elastic material such as synthetic resin or rubber.