KR20140068406A

KR20140068406A - Pipe connected devices

Info

Publication number: KR20140068406A
Application number: KR1020120135834A
Authority: KR
Inventors: 서상모
Original assignee: 서상모
Priority date: 2012-11-28
Filing date: 2012-11-28
Publication date: 2014-06-09

Abstract

The present invention relates to a pipe connector.
In order to achieve the above object, according to the present invention, there is provided a pipe connection port provided between an end of one pipe and an end of another pipe, wherein the pipe connection port is composed of an expansion sleeve and a rubber band, And a joint part is provided at an outer side of one end and the other end of the sleeve band, wherein the joint part is coupled to a fixed piece having a female screw on one side of the one end of the sleeve band, A pressing piece having a pressing hole is coupled to the outside of the other end of the band and a sleeve screw is inserted into the female screw of the fixing piece so as to be inserted into the pressing hole of the pressing piece and a rubber band is brought into contact with the outside of the sleeve band, Is inserted into the inner circumferential surface of the tube and the other side tube, and the sleeve screw of the joint portion is expanded Characterized by a group doeeojim rubber band compression in the expanded state at a side tube and the inner surface of the other side pipe.
Accordingly, it is an object of the present invention to provide an air conditioner which can be easily manufactured in the field so that air can be shortened while being easily manufactured, and interference between the pipe connecting ports is prevented from occurring so that smooth storage, So that it is possible to prevent the center deformation or breakage and to prolong the life.

Description

Pipe connected devices

The present invention relates to a pipe connector, and more particularly, a rubber band is compressed by being expanded by an expansion sleeve on the inside of an end portion of one pipe and the inside of an end portion of another pipe, respectively.

In general, a tube is used to transfer a fluid such as a liquid or a gas, and a tube having various shapes and materials is manufactured according to the characteristics of the fluid to be transferred and the purpose of use. In the process of connecting the pipes, a pipe connection, which is a separate connection means, is used.

Such a pipe connecting port is provided with a connecting body on one side and a pipe on the other side, and a flange having a bolt hole is formed on the connecting pipe body. A rubber plate having the same shape is inserted between each connecting pipe body and the flange, The nut is fastened to the bolt, and the rubber plate is tightly attached to be hermetically or watertight.

However, since the flange is integrally formed at the ends of the one side pipe and the other side pipe, the flange is deformed or damaged due to the interference between the flanges when storing and moving the pipes for installation There was a problem.

In addition, since the flange is protruded, a large space for installing the tube is required, and the flanges are easily interfered with the buried passage during the embedding of the tube, thereby making it difficult to perform the construction work.

The present invention can facilitate the manufacture of the pipe or pipe joint, and it is possible to smoothly store, carry and transport the pipe or pipe joint and to prevent deformation during storage, loading and transportation, So that the air can be shortened.

The present invention provides a pipe connection port A provided between an end of one pipe P and an end of another pipe P ', wherein the pipe connection port A is formed by an expansion sleeve 10 and a rubber band 20 And the extension sleeve 10 is bent at one end of the sleeve band 11 to be folded out to the outside of the other end of the sleeve band 11 and is wound on the outer side of one end and the other end of the sleeve band 11, The joint part 40 has a fixing part 41 having a female screw 411 coupled to the outside of one end of the sleeve band 11, The sleeve 42 is inserted into the female screw 411 of the fixing piece 41 and the pressing hole 421 of the pressing piece 42 is inserted into the pressing hole 421 And a rubber band 20 is abutted to the outside of the sleeve band 11 so as to be inserted into the inner circumferential surfaces of the one pipe P and the other pipe P ' Is getting characterized crimp doeeojim extended to the inner surface of the joint portion 40 is the rubber band 20 is a side steel pipe (P) and the other steel pipe (P ') by an extension sleeve doeeojim screw 43 of the.

The rubber band 20 has an opening 211 formed on an upper portion of the louver body 21 having a ring shape so that the fixing piece 41 of the joint portion 40, the pressing piece 42, and the sleeve screw 43 are protruded.

Further, a coupling band 30 is provided on an end of one pipe P provided with the pipe connection port A and on the outer peripheral surface of the other pipe P '.

The coupling band 30 is formed with a flange 32 having a through hole 321 cut on both sides of the coupling body 31 having a ring shape and having a long hole 311 formed thereon, The bolt B is inserted into the through hole 321 of the flange 32 and is coupled with the nut N. [

And a joint portion (40) of the expansion sleeve (10) is exposed to the elongated hole (311) of the coupling band (30).

In the present invention, the rubber band is expanded by the expansion sleeve in the inside of the end portion of one side tube and the inside of the end portion of the other side tube, respectively, so that the construction can be easily performed in the field so that air can be shortened.

Also, since the tube fittings are separately formed at the ends of the one tube and the other tube, the manufacturing can be easily performed.

In addition, it is possible to prevent the interference between the pipe joints from occurring, and to achieve smooth storage, loading, and transportation.

Thus, it is possible to prevent the deformation or breakage occurring at the one side pipe, the other side pipe and the pipe connection, thereby prolonging the service life.

1 is a perspective view showing a state where one pipe and another pipe are connected by a pipe connector according to the present invention;
2 is a perspective view of a pipe connector according to the present invention;
3 is an exploded perspective view of a pipe connector according to the present invention;
4 is a longitudinal sectional view of a pipe fitting according to the present invention.
5 is a cross-sectional view showing a state where one pipe and another pipe are connected by a pipe connector according to the present invention;

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the accompanying drawings.

1 to 5, a pipe connection A according to the present invention is a pipe connection pipe which can prevent leakage between an end of one pipe P and an end of another pipe P ' ) And a rubber band (20). That is, it is configured not to be integrally coupled to the ends of the one pipe P and the other pipe P ', but to be field-coupled at the site.

The extension sleeve 10 has a wide band shape and is inserted into one side pipe P and the other side pipe P 'so as to be extended to the outside of the expansion sleeve 10, that is, The rubber band 20 on the outer circumferential surface is expanded and closely contacted with the inner circumferential surfaces of the one pipe P and the other pipe P 'so that watertightness or airtightness can be maintained.

For this purpose, the expansion sleeve 10 is formed by winding one end of a sleeve band 11 made of a steel material by bending the other end of the sleeve 11 to the outside of the other end, A joint portion 40 is provided to extend the sleeve band 11 while preventing the sleeve band 11 from being unfolded.

The rubber band 20 has an opening 211 formed on the upper portion of the louver body 21 having a ring shape so that the fixing piece 41 of the joint portion 40 and the pressing piece 42 and the sleeve screw 43 So that the sleeve screw 43 can be easily rotated.

A coupling band 30 is wrapped around the end of the one side pipe P and the outer peripheral surface of the other side pipe P 'to reinforce the ends of the one side pipe P and the other side pipe P' And the sleeve band 11 of the expansion sleeve 10 is configured to support the expanding force.

The coupling band 30 is formed with flanges 32 each having a through hole 321 on both sides of the ring-shaped coupling body 31 cut off.

A bolt B is inserted into the through hole 321 of the flange 32 and is coupled to the nut N so that the coupling lang band 30 can be tightened.

The coupling bands 30 are formed with elongated holes 311 having substantially the same shape as the opening portions 211 formed in the rubber bands 20 so that the coupling bands 30 are formed or joined. The screw 43 is further rotated so that the rubber band 20 can be further extended.

The joint part 40 is provided with an expanding function at the same time of the joining. The joint part 40 has a fixing piece 41 having a female screw 411 attached to the outside of one end of the sleeve band 11, A pressing piece 42 having a pressing hole 421 is coupled to the outside of the other end of the sleeve band 11.

The sleeve screw 43 is inserted into the female screw 411 of the fixing piece 41 so as to penetrate the pressing hole 421 of the pressing piece 42.

4 and 5, the rubber band 20 is brought into contact with the outer surface of the sleeve band 11, and the inner circumferential surface of the one pipe P and the other pipe P ' The rubber band 20 is extended from the inner surface of the one-side steel pipe P and the inner side surface of the other steel pipe P 'by the rotation of the sleeve screw 43 of the joint portion 40, As shown in Fig.

Next, the bolts B and the nuts N are fastened to the flange 32 of the coupling band 30 so that the ends of the one pipe P and the other pipe P ' , It is possible to prevent the gap between the one pipe (P) and the other pipe (P ') from spreading by the tensile force acting in the longitudinal direction.

Next, the gap between the fixing piece 41 and the pressing piece 42 is increased by tightening the sleeve screw 43 of the joint portion 40 exposed to the elongated hole 311 formed in the coupling band 30 The sleeve band 11 is further expanded so that the rubber band 20 is further squeezed.

Meanwhile, in the present invention, one side tube and the other side tube are formed as a general tube, that is, a circular tube, but a corrugated steel tube may be used in addition to this type. In this case, it is preferable that the corrugated bone steel tube is a double tube having a straight tube formed on the inner surface thereof.

In the present invention, the rubber band 20 has a shape that covers the entire surface of the expansion sleeve 10. However, in addition to this configuration, both ends of the expansion sleeve 10, that is, the one side pipe P and the other side pipe It is more preferable that both sides that can cover only the portion to be inserted into the inside of P 'are separated from each other.

A: Tube connection 10: Expansion sleeve
11: Sleeve band 20: Rubber band
40: joint part 41:
42: pressure piece 43: sleeve screw
411: female thread 421: pressure hole

Claims

(A) provided between an end of the one pipe (P) and an end of the other pipe (P '),
The pipe connection port A is composed of an expansion sleeve 10 and a rubber band 20. The expansion sleeve 10 is wound by bending one end of the sleeve band 11 to the outside of the other end, And a joint part 40 is provided at one side end and the other end side of the sleeve band 11 and the joint part 40 has a female thread 411 on the outside of one end of the sleeve band 11 A pressing piece 42 having a pressing hole 421 is coupled to the outside of the other end of the sleeve band 11 and the pressing piece 42 is coupled to the female thread 411 of the fixing piece 41, And a rubber band 20 is fitted to the outside of the sleeve band 11 so as to be inserted into the one side tube P and the other side Is inserted into the inner peripheral surface of the other side pipe (P '), and the sleeve screw (43) of the joint part (40) is extended, Is expanded and compressed on the inner surfaces of the one pipe (P) and the other pipe (P ').

The method according to claim 1,
The rubber band 20 has an opening 211 formed at an upper portion of a band body 21 having a ring shape so that the fixing piece 41, the pressing piece 42, and the sleeve screw 43 of the joint portion 40, And a plurality of projecting portions projecting from the projecting portion.

The method according to claim 1,
Wherein a coupling band (30) is provided at an end of one pipe (P) provided with the pipe connection port (A) and at an outer circumferential surface of the other pipe (P ').

The method of claim 3,
The coupling band 30 is formed with a flange 32 having a through hole 321 cut on both sides of the coupling body 31 having a ring shape and having a long hole 311 formed therein, Wherein the bolt (B) is inserted into the through hole (321) of the pipe (32) and is coupled with the nut (N).

5. The method of claim 4,
Wherein a joint portion (40) of the expansion sleeve (10) is exposed in an elongated hole (311) of the coupling band (30).