CN216201328U

CN216201328U - Leak-proof cutting sleeve type copper pipe joint

Info

Publication number: CN216201328U
Application number: CN202122316743.8U
Authority: CN
Inventors: 刘毅
Original assignee: Cixi Weida Plastic Products Co ltd
Current assignee: Cixi Weida Plastic Products Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-04-05
Anticipated expiration: 2031-09-24

Abstract

The utility model belongs to the field of a cutting sleeve type joint, and particularly relates to a leakage-proof cutting sleeve type copper pipe joint which comprises a joint body, nuts and cutting sleeves, wherein hexagonal nuts are fixedly arranged at the middle positions of the outer side walls of the joint body, threads are arranged on the outer side walls of two ends of the joint body, the two nuts are in threaded connection and are arranged outside the threads, pipelines are arranged at two ends of the joint body, the cutting sleeves are sleeved on the outer side walls of the pipelines, and the cutting sleeves are positioned between the nuts and the joint body. The clamping sleeve type joint is characterized in that one end of the clamping sleeve, which is close to the joint body, is fixedly provided with a collapsing ring, and sealing rings are arranged between the clamping sleeve and the joint body, between the clamping sleeve and the pipeline and between the joint body and the pipeline respectively, so that the sealing performance between the clamping sleeve and the joint body, between the clamping sleeve and the pipeline and between the joint body and the pipeline can be improved, the clamping sleeve type joint can be in a sealing state after being installed, the sealing performance is enhanced, and the leakage is avoided.

Description

Leak-proof cutting sleeve type copper pipe joint

Technical Field

The utility model relates to the field of cutting sleeve type joints, in particular to a leakage-proof cutting sleeve type copper pipe joint.

Background

The ferrule type pipe joint consists of three parts: the outer side of the front end of the clamping sleeve is attached to the conical surface of the joint body, and the inner blade uniformly bites into the seamless steel tube to form effective sealing.

When using, the existing ferrule type pipe joint is usually to install the pipe fitting in the joint body, then install the ferrule in the outside of the pipe fitting, screw up the nut, make the ferrule burst to become and hug closely in the outside of the pipe fitting, thereby reach fixed effect, but this kind of structure still has the gap in the junction, consequently has the risk of revealing. Accordingly, one skilled in the art has provided a leak-proof ferrule type copper tube fitting that solves the problems set forth above in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leak-proof ferrule type copper pipe joint to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a leakage-proof cutting sleeve type copper pipe joint comprises a joint body, nuts and cutting sleeves, wherein hexagonal nuts are fixedly arranged in the middle of the outer side wall of the joint body, threads are arranged on the outer side walls of two ends of the joint body, the number of the nuts is two, and the two nuts are screwed and installed outside the threads, the two ends of the joint body are provided with pipelines, the outer side wall of the pipeline is sleeved with a clamping sleeve which is positioned between the nut and the joint body, a crushing ring is fixedly arranged at one end of the cutting sleeve close to the joint body, a support ring is fixedly arranged at one end of the cutting sleeve close to the nut, a third sealing ring is fixedly arranged on the outer side wall of the joint of the collapsing ring and the cutting sleeve, a rodent and a collapsing sealing ring are fixedly arranged on the inner side wall of the collapsing ring, the pipeline is connected with the clamping sleeve in a sealing mode through the crumple sealing ring, and the joint body is connected with the clamping sleeve in a sealing mode through the third sealing ring.

As a still further scheme of the utility model: the inner side wall of one end, close to the clamping sleeve, of the joint body is provided with a crushing wedge surface, the outer side surface of the crushing ring is an inclined surface, and the inclination angle of the crushing wedge surface is larger than that of the crushing ring.

As a still further scheme of the utility model: the outer side wall of the collapse ring is provided with collapse grooves which are uniformly distributed along the circumferential direction, and the depth of each collapse groove is equal to half of the thickness of the collapse ring.

As a still further scheme of the utility model: the rodent quantity is two sets of, it is located to burst the sealing washer the inside wall intermediate position department of becoming the ring, the rodent distribute in the both sides of bursting the sealing washer.

As a still further scheme of the utility model: the pipe joint is characterized in that a limiting step is formed in the inner side wall of the joint body, the end portion of the pipe is clamped on the limiting step, a first sealing ring is arranged on the inner side wall of the joint body, close to the limiting step, and the first sealing ring is fixedly connected with the joint body.

As a still further scheme of the utility model: and a second sealing ring is arranged on the inner side wall of the clamping sleeve and fixedly connected with the clamping sleeve.

As a still further scheme of the utility model: one end of the nut, which is far away from the joint body, is provided with an extrusion ring, the inner diameter of the extrusion ring is equal to the outer diameter of the pipeline, and the extrusion ring is matched with the outer part of the support ring in a fitting manner.

Compared with the prior art, the utility model has the beneficial effects that:

the clamping sleeve type joint is characterized in that one end of the clamping sleeve, which is close to the joint body, is fixedly provided with a collapsing ring, and sealing rings are arranged between the clamping sleeve and the joint body, between the clamping sleeve and the pipeline and between the joint body and the pipeline respectively, so that the sealing performance between the clamping sleeve and the joint body, between the clamping sleeve and the pipeline and between the joint body and the pipeline can be improved, the clamping sleeve type joint can be in a sealing state after being installed, the sealing performance is enhanced, and the leakage is avoided.

Drawings

FIG. 1 is a schematic view of a leak-proof ferrule type copper pipe joint;

FIG. 2 is a schematic view of a cross-sectional view of a portion of a joint body, a nut and a ferrule of an anti-leakage ferrule type copper pipe joint;

FIG. 3 is a schematic view of a cross-sectional view of a portion of a joint body, a nut and a ferrule of an anti-leakage ferrule type copper pipe joint;

fig. 4 is a schematic perspective view of a ferrule in an anti-leakage ferrule type copper pipe joint.

In the figure: 100. a pipeline; 1. a fitting body; 11. a hexagonal nut; 12. a thread; 13. a limiting step; 14. crushing a wedge surface; 15. a first seal ring; 2. a nut; 21. an extrusion ring; 3. a card sleeve; 31. a collapsing ring; 311. a rodent; 312. a collapsing seal ring; 313. a collapsing tank; 32. a support ring; 33. a second seal ring; 34. and a third sealing ring.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a leak-proof ferrule type copper pipe joint includes a joint body 1, nuts 2 and ferrules 3, a hexagon nut 11 is fixedly disposed at a middle position of an outer sidewall of the joint body 1, threads 12 are disposed on outer sidewalls of two ends of the joint body 1, the number of the nuts 2 is two, the two nuts 2 are threadedly mounted on outer portions of the threads 12, pipes 100 are mounted at two ends of the joint body 1, ferrules 3 are sleeved on outer sidewalls of the pipes 100, the ferrules 3 are disposed between the nuts 2 and the joint body 1, a collapsing ring 31 is fixedly disposed at an end of each ferrule 3 close to the joint body 1, a support ring 32 is fixedly disposed at an end of each ferrule 3 close to the nut 2, a third seal ring 34 is fixedly disposed on an outer sidewall of a connection portion of the collapsing ring 31 and the ferrules 3, a rodent 311 and a collapsing seal ring 312 are fixedly disposed on an inner sidewall of the collapsing ring 31, and the

pipes

100 and 3 are hermetically connected by the collapsing seal ring 312, the connector body 1 is connected with the ferrule 3 in a sealing way through a third sealing ring 34.

In this embodiment, the end of the ferrule 3 close to the connector body 1 is fixedly provided with the collapsing ring 31, the outer side wall of the joint of the collapsing ring 31 and the ferrule 3 is fixedly provided with the third sealing ring 34 to increase the sealing performance between the ferrule 3 and the connector body 1, so that the ferrule 3 and the connector body 1 cannot be leaked, meanwhile, the joint of the ferrule 3 and the pipeline 100 is provided with the second sealing ring 33 to increase the sealing performance between the ferrule 3 and the pipeline 100, so as to ensure that the leakage cannot occur, the first sealing ring 15 is arranged between the connector body 1 and the pipeline 100 to improve the sealing performance between the connector body 1 and the pipeline 100, so that the ferrule type connector can be installed well, and is in a sealing state between two parts, so as to enhance the sealing performance and prevent leakage.

In fig. 2 and 3, a crushing wedge surface 14 is provided on the inner side wall of one end of the joint body 1 close to the ferrule 3, the outer side surface of the crushing ring 31 is an inclined surface, the inclination angle of the crushing wedge surface 14 is greater than that of the crushing ring 31, and by providing the crushing wedge surface 14, when the crushing ring 31 is pressed to the crushing wedge surface 14 side by force, the crushing wedge surface deforms, and is closer to the pipe 100 and the joint body 1, thereby achieving the fixing effect.

In fig. 4, the outer side wall of the crush ring 31 is provided with crush slots 313 distributed uniformly along the circumferential direction, the depth of the crush slots 313 is equal to half of the thickness of the crush ring 31, and the crush slots 313 are provided to facilitate deformation of the crush ring 31 and to press the crush ring toward the pipeline 100, so that the connection with the pipeline 100 is firmer.

In fig. 3 and 4, the number of the rodent 311 is two sets, the collapse sealing ring 312 is located at the middle position of the inner side wall of the collapse ring 31, the rodent 311 is distributed at two sides of the collapse sealing ring 312, the inner side wall of the cutting sleeve 3 is provided with the second sealing ring 33, the second sealing ring 33 is fixedly connected with the cutting sleeve 3, and the sealing performance between the cutting sleeve 3 and the pipeline 100 can be improved so as to ensure that the leakage cannot occur.

In fig. 2 and 3, the inner side wall of the joint body 1 is provided with a limiting step 13, the end portion of the pipeline 100 is clamped on the limiting step 13, a first sealing ring 15 is mounted on the inner side wall of the joint body 1 close to the limiting step 13, and the first sealing ring 15 is fixedly connected with the joint body 1, so that the sealing performance between the joint body 1 and the pipeline 100 can be improved.

In fig. 2 and 3, an extrusion ring 21 is arranged at one end of the nut 2 far away from the joint body 1, the inner diameter of the extrusion ring 21 is equal to the outer diameter of the pipeline 100, the extrusion ring 21 is in fit with the outer part of the support ring 32, and in the process of screwing the nut 2, the extrusion ring 21 can be extruded towards the ferrule 3 to extrude and deform the collapsing ring 31, so that the stability of connection with the pipeline 100 is enhanced.

The working principle of the utility model is as follows: in-process at the screw nut 2 of moving, extrusion ring 21 can be to 3 directions extrusion of cutting ferrule, 31 extrusion deformation will fall apart, the stability of being connected with pipeline 100 is strengthened, cutting ferrule 3 has set up second sealing washer 33 with pipeline 100's junction, can increase the leakproofness between cutting ferrule 3 and the pipeline 100, in order to guarantee can not reveal, joint body 1 and pipeline 100 between have set up first sealing washer 15, in order to improve the leakproofness between joint body 1 and the pipeline 100, thereby can make the cutting ferrule formula connect the good back of installation, all be in encapsulated situation between two liang, strengthen the leakproofness, can not reveal.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The leakage-proof cutting sleeve type copper pipe joint is characterized by comprising a joint body (1), nuts (2) and cutting sleeves (3), wherein hexagonal nuts (11) are fixedly arranged at the middle positions of the outer side walls of the joint body (1), threads (12) are arranged on the outer side walls of the two ends of the joint body (1), the number of the nuts (2) is two, the nuts (2) are in threaded connection with the outer portions of the threads (12), pipes (100) are arranged at the two ends of the joint body (1), the cutting sleeves (3) are sleeved on the outer side walls of the pipes (100), the cutting sleeves (3) are located between the nuts (2) and the joint body (1), the cutting sleeves (3) are close to one ends of the joint body (1) and are fixedly provided with breaking rings (31), the cutting sleeves (3) are close to one ends of the nuts (2) and are fixedly provided with support rings (32), the outer side wall of the joint of the collapse ring (31) and the clamping sleeve (3) is fixedly provided with a third sealing ring (34), the inner side wall of the collapse ring (31) is fixedly provided with a rodent (311) and a collapse sealing ring (312), the pipeline (100) is in sealing connection with the clamping sleeve (3) through the collapse sealing ring (312), and the joint body (1) is in sealing connection with the clamping sleeve (3) through the third sealing ring (34).

2. The leak-proof ferrule type copper pipe joint according to claim 1, wherein a crushing wedge surface (14) is formed on an inner side wall of one end of the joint body (1) close to the ferrule (3), an outer side surface of the crushing ring (31) is an inclined surface, and an inclination angle of the crushing wedge surface (14) is larger than that of the crushing ring (31).

3. The leak-proof ferrule type copper pipe joint according to claim 1, wherein the outer side wall of the collapse ring (31) is provided with collapse grooves (313) uniformly distributed along the circumferential direction, and the depth of the collapse grooves (313) is equal to half of the thickness of the collapse ring (31).

4. The leak-proof ferrule type copper pipe joint as claimed in claim 1, wherein the number of the rodent (311) is two, the collapse seal ring (312) is located at the middle position of the inner side wall of the collapse ring (31), and the rodent (311) is distributed at two sides of the collapse seal ring (312).

5. The leak-proof ferrule type copper pipe joint according to claim 1, wherein a limiting step (13) is formed on an inner side wall of the joint body (1), an end portion of the pipeline (100) is clamped on the limiting step (13), a first sealing ring (15) is mounted on the inner side wall of the joint body (1) close to the limiting step (13), and the first sealing ring (15) is fixedly connected with the joint body (1).

6. The leak-proof ferrule type copper pipe joint according to claim 1, wherein a second sealing ring (33) is disposed on the inner side wall of the ferrule (3), and the second sealing ring (33) is fixedly connected with the ferrule (3).

7. A leak-proof ferrule type copper pipe joint according to claim 1, wherein an end of the nut (2) away from the joint body (1) is provided with a pressing ring (21), an inner diameter of the pressing ring (21) is equal to an outer diameter of the pipe (100), and the pressing ring (21) is in fit engagement with an outer portion of the support ring (32).