KR200496817Y1 - Coupling - Google Patents

Abstract

Provided is a coupling coupled to a pipe to prevent displacement or deflection caused by transmission of vibration and deformation due to thermal expansion and contraction occurring in the pipe. The coupling is formed in a cylindrical shape to form an accommodation space inside, and a body portion in which a communication hole is formed at both ends to communicate with the exterior and the accommodation space, and a pair of pipes formed in a cylindrical shape with both ends open and one end portion and the other end is connected to the communication hole to connect the separated pipe to the main body, at least a portion of which is inserted into the accommodation space and moved along the longitudinal direction of the main body, and is formed in a ring shape with a through hole in the center Formed, the through hole is located in the center of the receiving space to communicate with the communication hole, and the outer circumferential surface is closely fixed to the inner circumferential surface of the main body, and interposed between the joint and the fixed plate, the length can be adjusted by moving the joint, and the fixed plate is centered It includes a position adjusting member for adjusting the position of the joint so that the pair of joints are balanced on the inside of the main body.

Description

Coupling {Coupling}

The present invention relates to a coupling, and relates to a coupling coupled to a pipe to prevent displacement or deflection caused by transmission of vibration and deformation due to thermal expansion and contraction occurring in the pipe.

In general, a pipe is a hollow, thin tube, and is mainly used for transporting fluids (gas, liquid) or powder, and a coupling is coupled to an outer circumferential surface of one end to connect a pair separated from each other.

On the other hand, while the fluid flowing inside the pipe is transported, vibration, vibration, thermal expansion, and the like occur due to the temperature or pressure of the fluid. As a result, not only does the shape of the pipe become distorted, but vibration and deformation due to thermal expansion and contraction are transmitted to the coupling connecting the separated pipes, so that the position of the coupling connecting the pipes changes or There was a problem with the arrangement being biased towards the pipe. The coupling has a simple structure and is efficient in terms of installation or maintenance, but there is a problem in that an impact is applied to a pair of pipes due to thermal expansion and contraction of the pipes. In addition, although the pipes should be arranged in a balanced manner on the inside of the coupling, there is a problem that the fluid flowing inside leaks due to excessive bias in one direction or displacement.

Therefore, the pipe can absorb and buffer vibration or shock caused by thermal expansion and contraction from changes in the temperature and pressure of the internal fluid, and can be moved to the original position even if the pipe is displaced, and the center of the pair of pipes It was placed in and required a coupling that could be efficiently connected.

Republic of Korea Patent No. 10-0962465, (2010.06.03.)

The technical task to be achieved by the present invention is to solve this problem, and is coupled to a pipe to transmit vibration and deformation due to thermal expansion and contraction occurring in the pipe to prevent displacement or deflection. will be.

The technical problem of the present invention is not limited to the problems mentioned above, and another technical problem not mentioned will be clearly understood by those skilled in the art from the following description.

The emergency detachable coupling according to the technical problem of the present invention is formed in a cylindrical shape to form an accommodation space therein, and at both ends, a body portion having a communication port communicating with the accommodation space and the outside is formed, and both ends are open It is formed in a cylindrical shape, one end is coupled to a pair of pipes, and the other end is connected to the communication hole to connect the separated pipe to the main body, and at least a part is inserted into the accommodation space to length the main body. A fixing plate formed in a ring shape with a joint portion moving along the direction and a through hole formed in the center, and positioned in the center of the accommodation space so that the through hole communicates with the communication hole, and the outer circumferential surface is closely fixed to the inner circumferential surface of the main body part; A position adjusting member interposed between the joint and the fixing plate to adjust the length by moving the joint, and adjusting the position of the joint so that the pair of joints inside the main body are balanced around the fixing plate. includes

The position control member may include a buffer member having one end connected to the joint and absorbing shock, and an elastic member disposed at the other end of the buffer member and formed of an elastic material to position the joint in place. .

The buffer member includes a housing for sealing the fluid accommodated therein, a moving plate formed in a disk-shaped plate shape and disposed inside the housing and forming a through hole through which the fluid flows, and one end portion fixed to the moving plate It may include a piston inserted into the housing and exposed to the outside by being fixed to the other end of the fixing plate.

The elastic member may be formed of a spring and cover an outer circumferential surface of the piston exposed to the outside.

The joint portion may form an extension portion in which the other end disposed in the accommodating space extends outwardly, and both ends of the position adjusting member may be fixed to the fixing plate and the extension plate, respectively.

A plurality of position adjusting members may be spaced apart from each other and arranged symmetrically at both ends around the fixing plate and radially around the through hole.

In the coupling according to an embodiment of the present invention, vibration or thermal deformation due to thermal expansion and contraction of a pair of pipes from changes in the temperature and pressure of the internal fluid occurs, and shock applied to the pipes can be absorbed. . In addition, the present invention can be moved to the correct position even when the pipes are displaced, can be connected to the outer circumferential surfaces of the pair of pipes in a balanced manner, and can prevent the pipes from being separated from the coupler. In addition, the present invention is formed with a simple structure, so that installation and management are convenient, and even when displacement of the pipe occurs, it is possible to prevent the fluid flowing inside from leaking.

1 is a cross-sectional perspective view of a coupling according to an embodiment of the present invention.
Figure 2 is a cross-sectional view of a coupling according to an embodiment of the present invention cut along AA line.
3 is an operation diagram showing an operation process of the coupling of FIG. 2;
4 is a cross-sectional view of a coupling according to another embodiment of the present invention.
5 is an operation diagram illustrating an operation process of the coupling of FIG. 4 .

Advantages and features of the present invention and methods for achieving them will become clear with reference to the detailed description of the following embodiments in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the present embodiments make the disclosure of the present invention complete, and those skilled in the art in the art to which the present invention belongs It is provided to fully inform the person of the scope of the invention, and the invention is only defined by the claims. Like reference numerals designate like elements throughout the specification.

Hereinafter, coupling according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3 .

The coupling (1) of the present invention absorbs vibration or shock applied to the pipe (P) due to thermal expansion and contraction of the fluid, and even if the position of the pipe (P) changes, a pair of pipes (P) are separated from each other It is a pipe (P) joint member to prevent the phenomenon and connect efficiently. According to the present invention, even if the pipe P is displaced, the center of the main body portion 10 can be located at the pair of connecting parts, so that the pipe P can be separated or the fluid inside can be prevented from leaking.

Hereinafter, the coupling of the present invention will be described in detail with reference to FIGS. 1 and 2, and the operation process of the coupling of the present invention will be described with reference to FIG. 3.

1 is a cross-sectional perspective view of a coupling according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line A-A of a coupling according to an embodiment of the present invention.

First, referring to FIG. 1, the coupling 1 of the present invention is formed in a cylindrical shape and both ends are open to form a communication hole formed in the body portion 10, and coupled to the communication hole in the longitudinal direction of the body portion 10 It is possible to slide and move, and the joint part 20 to which the pipe P is connected to each end, the fixing plate 30 located in the center of the body part 10 and closely fixed to the inner circumferential surface, and the body part 10 It includes a position adjusting member 40 disposed inside to adjust the position of the joint 20. Hereinafter, each component will be described in detail.

First, the body portion 10 is a kind of housing 411 formed in a cylindrical shape to form an accommodation space 11 therein, and communication ports communicating the accommodation space 11 and the outside are formed at both ends. The body part 10 can connect a pair of pipes P by connecting the pipe P to the joint 20 coupled to the communication hole, and the fixing plate 30 is formed at the center of the receiving space 11. It can be. The fixing plate 30 is a fixing member for supporting the position adjusting member 40, and may be formed in a ring shape with a through hole formed in the center and disposed on an inner circumferential surface of the body portion 10. The through hole may be located at the center of the receiving space 11 so that the fixing plate 30 communicates with the communication hole. The fixing plate 30 is formed to have an outer circumferential surface having the same diameter as an inner circumferential surface of the body portion 10, and may be tightly fixed to the inner circumferential surface of the central portion of the body portion 10. On the other hand, the diameter of the communication hole and the through hole of the fixing plate 30 may be formed to be the same as or similar to the diameter of the inner circumferential surface of the pipe P, and the diameter of the inner circumferential surface of the joint 20 disposed at both ends of the body portion 10 and They may be formed identically or similarly.

The joint 20 is a connecting member for connecting the pipe P to the main body 10, and is formed in a cylindrical shape with both ends open so that one end is coupled to the pair of pipes P and the other end is in communication. It is possible to connect the separated pipe (P) connected to the sphere to the body portion (10). At least a portion of the joint 20 is inserted into the accommodation space 11, and an expansion portion 21 extending outward is formed at the other end of the inserted portion to prevent separation from the body portion 10. there is. The diameter of the outer circumferential surface of the joint 20 may be the same as that of the communication hole, and the diameter of the outer circumferential surface of the expansion part 21 may be larger than the diameter of the communication hole. Due to this, it is possible to prevent the connection part 20 from being separated to the outside through the communication hole. In this way, the other end of the joint 20 is inserted into the accommodation space 11, and one end is coupled with the pipe P by forming a thread on the inner or outer circumferential surface, thereby forming a pair of pipes P separated from each other. Can be connected to the body portion (10). In addition, the joint portion 20 forms an expansion portion 21 to prevent separation from the communication port even when sliding along the longitudinal direction of the body portion 10 due to thermal expansion or contraction of the pipe P, It is possible to prevent a phenomenon of excessive movement caused by being caught by the fixing plate 30 while sliding. In particular, even if the position of the pipe P is moved by the position adjusting member 40 disposed in the accommodating space 11, a pair of joint parts 20 may be symmetrically disposed inside the main body part 10.

The position adjusting member 40 is for adjusting the position of the pair of joints 20 disposed inside the main body 10 so that the joint 20 is balanced around the fixing plate 30, and is a kind of shock absorber. It is formed and both ends are fixed to the joint 20 and the main body 10, respectively.

Specifically, the position control member 40 may include a buffer member 41 and an elastic member 42 .

The buffer member 41 is for absorbing vibration or shock transmitted to the pipe P, and may include a housing 411, a moving plate 412, and a piston 413. The housing 411 may form an empty space therein, and may store and seal a fluid in the empty space. In addition, a moving plate 412 movable in the longitudinal direction may be disposed inside the housing 411 . The moving plate 412 is formed in a disk-shaped plate shape, and the outer circumferential surface thereof is formed to have the same diameter as the inner circumferential surface of the housing 411 so that it may be placed in close contact with the inner circumferential surface of the housing 411 . The moving plate 412 has a plurality of through-holes (not shown) penetrating both ends, and fluid may flow through the through-holes. A piston 413 is fixed to one end of the moving plate 412 , and fluid flows through the through hole by the piston 413 while sliding along the longitudinal direction of the housing 411 .

The piston 413 has one end fixed to the moving plate 412 and inserted into the housing 411, and the other end exposed to the outside. The piston 413 is fixed to the moving plate 412 and is inserted into the housing 411 while sliding along the longitudinal direction of the housing 411 by vibration or pressure of the fluid flowing inside the pipe P. may change. At this time, the moving plate 412 and the piston 413 slide, and the fluid flows through the through hole of the moving plate 412 to absorb shock. The buffer member 41 formed in this way has one end disposed on the expansion part 21 and the other end disposed on the fixing plate 30 . More specifically, in the buffer member 41, the housing 411 is fixed to the expansion part 21, the other end of the piston 413 is fixed to the fixed plate 30, and the outer circumferential surface of the piston 413 exposed to the outside. An elastic member 42 may be disposed on.

The elastic member 42 is for positioning the joint 20 inside the main body 10 even if the location of the joint 20 moves, and is formed of an elastic material to the other end of the buffer member 41. can be placed. The elastic member 42 is formed as a kind of spring and is disposed to surround the outer circumferential surface of the piston 413 exposed to the outside, and one end is in contact with the housing 411 and the other end is in contact with the other end of the piston 413. can In this way, the position adjusting member 40 including the buffer member 41 and the elastic member 42 may have one end and the other end fixed to the expansion part 21 and the fixing plate 30, respectively, and a plurality of pieces of the main body part. It may be spaced apart in the circumferential direction of (10). In addition, a plurality of position adjusting members 40 are spaced apart and arranged symmetrically at both ends around the fixing plate 30, and as shown in FIG. 2, they may be radially arranged around the through hole. The positioning member 40 is not limited to the number of arrangements as shown in (a) and (b) of FIG. 2, and both ends may be stably arranged symmetrically. The joint 20 connected to the pipe P may change its position due to vibration or internal pressure generated from the pipe P, so that the pair may not be balanced inside the main body 10, but the joint ( 20) and the position adjusting member 40 connected to the main body 10 absorbs the impact of the joint 20 transmitted from the pipe P and compresses it according to the movement of the joint 20, the elastic member 42 It can be restored by ) and moved to the original position by sliding in the longitudinal direction of the main body 10 along the communication hole. Hereinafter, it will be described in more detail with reference to FIG. 3 .

3 is an operation diagram showing an operation process of the coupling of FIG. 2;

First, referring to (a) of FIG. 3, a view is shown in which the joint 20 is arranged symmetrically about the fixing plate 30 and the position adjusting member 40 is balanced. When vibration or thermal deformation occurs in the pipe P due to changes in the temperature and pressure of the internal fluid, the position of the joint 20 may move as shown in (b) of FIG. 3 . As rapid shock and vibration are applied to the coupling 1, the joint 20 moves to the left, the position adjusting member 40 receives pressure and absorbs the shock, and the elastic member 42 can be compressed. Also, while the facing joint 20 moves to the left, the elastic member 42 may increase, but the other end of the position adjusting member 40 connected to the joint 20 may remain fixed. Even if the position of the joint 20 is moved by the pipe P, the main body 10 slides along the outer circumferential surface of the joint 20 due to the restoring force of the elastic member 42, as shown in FIG. 3 (c) The same state can be maintained. The coupling 1 of the present invention is balanced on the inside of the body portion 10 by the joint portion 20 and the position adjusting member 40 connected to the body portion 10, even if the position is changed by the pipe P. can be arranged to achieve However, although the position of the joint 20 and the pipe P may change, the coupling 1 moves along the joint 20 by the restoration of the position adjusting member 40 so that the fixing plate 30 It can be disposed in the center between the pair of joints 20, preventing the phenomenon that leakage occurs when the joint 20 or the pipe P is separated from the main body 10, and the pair of pipes P ) It can be arranged so as to balance the inside of the body portion 10 by connecting efficiently.

Hereinafter, coupling according to another embodiment of the present invention will be described in detail with reference to FIGS. 4 and 5 .

4 is a cross-sectional view of a coupling according to another embodiment of the present invention, and FIG. 5 is an operating diagram showing an operating process of the coupling of FIG. 4 .

Coupling (1a) according to another embodiment of the present invention is substantially the same as the structure of one embodiment already described, except for the location where the position adjusting member 40 is disposed. Therefore, the same reference numerals are given to the same components as those already described, detailed descriptions are omitted, and an arrangement structure different from one embodiment will be described in detail.

Referring to Figure 4, the coupling (1a) according to another embodiment of the present invention, except for the location where the position adjusting member 40 is disposed, the body portion 10, the joint portion 20, the fixing plate 30, All of the positioning members 40 may be formed in the same shape and configuration. However, in the coupling 1a according to another embodiment of the present invention, the position adjusting member 40 may be disposed between the end of the main body 10 and the extension 21, unlike in one embodiment.

Specifically, the position adjusting member 40 may be arranged such that both ends are in contact with the distal end of the main body 10 and the extension 21 , respectively. In the position adjusting member 40 , one end of the housing 411 may be fixed to the end of the main body 10 and the other end of the piston 413 may be fixed to the extension 21 . In the coupling 1a formed in this structure, even if the position of the pipe P or the joint 20 changes, the position of the main body 10 moves along, so that the fixing plate 30 is connected to the pair of joints 20 It can be positioned so as to come to the center of

In detail with reference to FIG. 5, in (a) of FIG. 5, the fixing plate 30 is located at the center of the pair of spaced apart pipe parts 20, and the joint 20 is formed on the inside of the main body part 10. It shows a drawing arranged so that is balanced. At this time, when the pipe P is subjected to vibration or thermal deformation due to changes in the temperature and pressure of the internal fluid, the position of the joint 20 may be changed. For example, when the position of the joint 20 is changed as shown in (b) of FIG. 5, as shown in the drawing, the elastic member 42 is compressed or stretched while the buffer member 41 vibrates. and can absorb shock. In addition, after the position of the joint 20 is changed, the elastic member 42 is restored, and the main body 10 connected to the position adjusting member 40 moves along the outer circumferential surface of the joint 20 so that the fixing plate 30 ) may be positioned so that the joint 20 is symmetrical about the center. In other words, even if the position of the joint 20 changes, the main body 10 can move so that the joint 20 and the position adjusting member 40 are balanced, and thus the pipe P It is possible to efficiently connect the pipe P while preventing a shape in which the fluid leaks away from the body portion 10 .

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art to which the present invention belongs know that the present invention can be implemented in other specific forms without changing the technical idea or essential features. You will understand. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting.

1: Coupling
10: main body 11: accommodation space
20: joint 21: extension
30: fixed plate 40: position adjusting member
41: buffer member 42: elastic member
411: housing 412: moving plate
413: piston

Claims (6)

a main body portion formed in a cylindrical shape to form an accommodation space therein, and having communication ports communicating the accommodation space and the outside at both ends thereof;
It is formed in a cylindrical shape with both ends open, one end is coupled to a pair of pipes, and the other end disposed in the accommodating space forms an extension extending outward, and is connected to the communication hole to transfer the separated pipe to the main body. a joint for connecting, at least a part of which is inserted into the accommodation space and moves along the longitudinal direction of the main body;
a fixing plate formed in a ring shape with a through hole formed in the center, positioned at the center of the accommodation space so that the through hole communicates with the communication hole, and having an outer circumferential surface closely fixed to an inner circumferential surface of the main body; and
Both ends are fixed to the main body and the extension, respectively, so that the length can be adjusted by moving the joint, and the position of the joint is adjusted so that the pair of joints inside the main body are balanced around the fixing plate. Including a position adjusting member to do,
The position adjusting member,
A buffer member having one end connected to the main body to absorb shock;
An elastic member disposed at the other end of the buffer member and made of an elastic material to position the joint in place,
The buffer member,
A housing for sealing the fluid contained therein;
a moving plate formed in a disk-shaped plate shape and disposed inside the housing to form a through hole through which the fluid flows;
A piston having one end fixed to the moving plate and inserted into the housing and the other end fixed to the expansion part and exposed to the outside;
The elastic member is formed of a spring and disposed to surround an outer circumferential surface of the piston exposed to the outside. delete delete delete delete According to claim 1,
The plurality of position adjusting members are spaced apart and arranged symmetrically at both ends around the fixing plate, and are radially disposed around the through hole.

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