CN217382090U

CN217382090U - Self-closed leakage-proof joint

Info

Publication number: CN217382090U
Application number: CN202221039291.1U
Authority: CN
Inventors: 王海明; 何军; 陆哲磊
Original assignee: Zhejiang Birui Auto Parts Co ltd
Current assignee: Zhejiang Birui Auto Parts Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-06
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a self-sealing type leakage-proof joint, which belongs to the technical field of pipeline joints and comprises a male joint and a female joint, wherein one end of the female joint is provided with a connecting seat, the inside of the connecting seat is arranged in a hollow way, one side of the connecting seat is fixedly connected with a connecting pipe, the connecting pipe is connected with an external pipeline, one end of the connecting seat far away from the connecting pipe is provided with a plurality of through holes, one side of the connecting seat close to the through holes is coaxially provided with a sealing rod, the inner wall of the female joint is connected with a piston in a sliding way, the inner diameter of the piston is larger than the diameter of the sealing rod, one end of the sealing rod penetrating through the piston is fixedly connected with a baffle which is arranged in a circular way, the diameter of the baffle is larger than the inner diameter of the piston, the connecting seat is provided with a fastening piece for fastening the piston on the baffle, a locking piece for locking the male joint on the inner wall of the female joint is arranged between the outer wall of one end and the inner wall of the female end, the utility model has the advantages of the effectual probability that has reduced liquid outflow in female.

Description

Self-closed leakage-proof joint

Technical Field

The utility model belongs to the technical field of the pipeline connects, especially a from closed leak protection joint.

Background

The joint is a connecting tool between pipelines and is a connecting point between an element and the pipelines, wherein the element can be disassembled and assembled. Plays an essential role in the pipe fitting, which is one of the two main components of the hydraulic pipeline. The joint is used for straight line connection of instruments and the like, and the connection form is socket welding or threaded connection. The device is mainly used for low-pressure pipelines with small calibers, parts needing to be frequently assembled and disassembled or final adjustment of pipelines using threaded pipes. Related products are recorded quickly, easily and excellent, a metal surface contact sealing structure is suitable for the structural form, and a gasket sealing structural form is usually used for common pipelines for conveying water, oil, air and the like and is made of malleable cast iron materials.

When the existing joint is used for connecting two pipelines, an operator needs to discharge liquid in the pipelines firstly to connect the joint well, and when the liquid in the pipelines is not discharged, the operator can flow out the liquid in the pipelines when connecting the two pipelines through the joint, so that the operation of the operator is influenced.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, having proposed a from closed leak protection joint, having the effectual characteristics that have reduced the probability that liquid flows out in the female head.

The purpose of the utility model can be realized by the following technical proposal:

a self-sealing leakage-proof joint comprises a male head which is hollow inside and two ends of which are communicated with the outside, and a female head which is hollow inside and two ends of which are communicated with the outside, one end of the female head is provided with a connecting seat which is arranged in a hollow way, one side of the connecting seat is fixedly connected with a connecting pipe, the connecting pipe is connected with an external pipeline, a plurality of through holes are arranged at one end of the connecting seat far away from the connecting pipe, a sealing rod is coaxially arranged at one side of the connecting seat near the through holes, a piston is connected on the inner wall of the female head in a sliding way and is arranged in a tubular shape, the inner diameter of the piston is larger than the diameter of the sealing rod, one end of the sealing rod penetrating through the piston is fixedly connected with a baffle plate which is circularly arranged, the diameter of the baffle plate is larger than the inner diameter of the piston, be equipped with on the connecting seat and be used for supporting the piston tightly at the tight piece of supporting of baffle, be equipped with between public first one end outer wall and female first one end inner wall and be used for locking the retaining member on female first inner wall with public head.

Furthermore, the abutting piece is arranged to be an abutting spring, one end of the abutting spring is fixedly connected to the side wall, close to the through hole, of one side of the connecting seat, the other end of the abutting spring is fixedly connected to the end face of one end of the piston, and the abutting spring is in a compression arrangement.

Furthermore, the retaining member comprises a spring piece fixedly connected to the inner wall of one end of the female head and a locking ring fixedly connected to the outer wall of one end of the male head, and when one end of the spring piece abuts against the side wall of one side of the locking ring, one end of the male head drives the piston to compress and abut against the spring.

Furthermore, a first annular groove is formed in the outer wall of one end of the male head, a first sealing ring is connected in the first annular groove in a clamping mode, and the first sealing ring abuts against the inner wall of one end of the female head.

Furthermore, a second annular groove is formed in the outer wall of the piston, a second sealing ring is connected to the second annular groove in a clamping mode, and the second sealing ring abuts against the inner wall of the female head.

Furthermore, a third annular groove is formed in the outer wall of one end, close to the baffle ring, of the sealing rod, a third sealing ring is clamped on the inner wall of the third annular groove, and the third sealing ring abuts against the inner wall of the piston.

Furthermore, a fourth ring groove is formed in the outer wall of the connecting seat, a fourth sealing ring is clamped on the inner wall of the fourth ring groove, and the fourth sealing ring abuts against the inner wall of the female head.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a divide into public head and female first two parts, the one end of public head is inserted into in the one end of female head, the spring leaf butt is on locking ring one side lateral wall, the one end drive piston of public head slides in female first inside, the tight spring is supported in the piston compression, the baffle breaks away from the piston, liquid flows in to public head through the gap in the female head, when public head is extracted, the piston is at return under supporting tight spring restoring force effect, the piston supports tightly on the baffle again, through such setting, moreover, the steam generator is simple in structure, high durability and convenient operation, the effectual probability that reduces liquid outflow in the female head, made things convenient for the operator to get up two pipe connections.

2. The utility model discloses a set up the second annular on the piston outer wall, the joint has the second sealing ring in the second annular, serve the third annular in sealing rod, the joint has the third sealing ring on third annular inner wall, set up the fourth annular on the connecting seat outer wall, the joint has the fourth sealing ring in the fourth annular, through such setting, moreover, the steam generator is simple in structure, high durability and convenient operation, when public head does not insert female head, fourth sealing ring in the female head, second sealing ring and third sealing ring constitute airtight space, the probability of liquid leakage has been reduced, and the leakproofness is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, male; 2. a female head; 3. a connecting seat; 4. a connecting pipe; 5. a through hole; 6. a sealing rod; 7. a piston; 8. a baffle plate; 9. a locking member; 10. the spring is tightly propped; 11. a spring plate; 12. locking a ring; 13. a first ring groove; 14. a first seal ring; 15. a second ring groove; 16. a second seal ring; 17. a third ring groove; 18. a third seal ring; 19. a fourth ring groove; 20. and a fourth seal ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the self-sealing leakage-proof joint comprises a male joint 1 and a female joint 2, wherein the male joint 1 is arranged in a hollow mode, two ends of the male joint are communicated with the outside, and the female joint 2 is arranged in a hollow mode, two ends of the female joint are communicated with the outside.

As shown in fig. 1, a connecting seat 3 with a hollow interior is installed at one end of a female head 2, the connecting seat 3 is installed at one end of the female head 2 by riveting, a connecting pipe 4 is fixedly connected to a side wall of the connecting seat 3 far away from the female head 2, the connecting pipe 4 is communicated with the interior of the connecting seat 3, one end of the connecting pipe 4 is connected with an external pipeline, a plurality of through holes 5 are formed on a side wall of the connecting seat 3 far away from the connecting pipe 4, a sealing rod 6 is coaxially installed on a side wall of the connecting seat 3 near the through holes 5, a piston 7 is slidably connected to the inner wall of the female head 2, the piston 7 is arranged in a tubular shape, the inner diameter of the piston 7 is larger than that of the sealing rod 6, a baffle 8 is fixedly connected to an end face of the sealing rod 6 penetrating through the piston 7, the baffle 8 is arranged in a circular shape, the diameter of the baffle 8 is larger than that of the piston 7, a retaining member for retaining the piston 7 tightly on the baffle 8 is arranged on the connecting seat 3, the abutting piece is arranged to abut against the spring 10, one end of the abutting spring 10 is fixedly connected to the side wall, close to the through hole 5, of the connecting seat 3, the other end of the abutting spring 10 is fixedly connected to the end face of one end of the piston 7, the abutting spring 10 is in a compression arrangement, and under the effect of the restoring force of the abutting spring 10, the piston 7 abuts against the baffle plate 8.

As shown in FIG. 1, in order to connect the male head 1 and the female head 2 conveniently, a locking member 9 is arranged between the outer wall of one end of the male head 1 and the inner wall of one end of the female head 2, the locking member 9 comprises a spring piece 11 and a locking ring 12, one end of the spring piece 11 is fixedly connected to the inner wall of one end of the female head 2, a plurality of spring pieces 11 are fixedly connected to the inner wall of one end of the female head 2 at uniform intervals along the circumferential direction, the spring piece 11 is arranged in an inclined mode, one end, far away from the inner wall of the female head 2, of the spring piece 11 extends towards the axis of the female head 2, the locking ring 12 is fixedly connected to the outer wall of one end of the male head 1, and one end of the spring piece 11 abuts against the side wall of one side of the locking ring 12.

As shown in fig. 1, in order to improve the sealing performance, a first ring groove 13 is formed in the outer wall of one end of the male head 1, a first sealing ring 14 is connected to the first ring groove 13 in a clamping manner, the first sealing ring 14 abuts against the inner wall of one end of the female head 2, a second ring groove 15 is formed in the outer wall of the piston 7, a second sealing ring 16 is connected to the second ring groove 15 in a clamping manner, the second sealing ring 16 abuts against the inner wall of the female head 2, a third ring groove 17 is formed in the face wall of one end, close to the retainer ring, of the sealing rod 6, a third sealing ring 18 is connected to the inner wall of the third ring groove 17 in a clamping manner, the third sealing ring 18 abuts against the inner wall of the piston 7, a fourth ring groove 19 is formed in the outer wall of the connecting seat 3, a fourth sealing ring 20 is connected to the inner wall of the fourth ring groove 19, and the fourth sealing ring 20 abuts against the inner wall of the female head 2.

The embodiment of the utility model provides a theory of operation: when the male head 1 is not inserted into the female head 2, under the action of the second sealing ring 16, the third sealing ring 18 and the fourth sealing ring 20, the liquid of the female head 2 cannot flow out from one end of the female head 2 far away from the connecting seat 3;

when the male head 1 needs to be connected, one end of the male head 1 is inserted into one end of the female head 2, one end of the spring piece 11 abuts against one side wall of the locking ring 12, after the male head 1 is inserted, one end of the male head 1 abuts against one end of the piston 7, the male head 1 drives the piston 7 to compress the abutting spring 10, the abutting spring 10 is compressed, the baffle plate 8 is separated from the piston 7, and liquid in the female head 2 passes through a gap between the inner wall of the piston 7 and the outer wall of the sealing rod 6.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, male is used more herein; 2. a female head; 3. a connecting seat; 4. a connecting pipe; 5. a through hole; 6. a sealing rod; 7. a piston; 8. a baffle plate; 9. a locking member; 10. the spring is tightly propped; 11. a spring plate; 12. locking ring; 13. a first ring groove; 14. a first seal ring; 15. a second ring groove; 16. a second seal ring; 17. a third ring groove; 18. a third seal ring; 19. a fourth ring groove; 20. fourth seal ring, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. The utility model provides a from closed leak protection joint, its characterized in that is public first (1) that cavity setting and both ends and external intercommunication and inside female head (2) that cavity setting and both ends and external intercommunication including inside female head (2) that cavity setting and both ends and external intercommunication are served to female head (2) one installs one inside connecting seat (3) that is cavity setting, at connecting seat (3) one side fixedly connected with connecting pipe (4), connecting pipe (4) are connected with external pipeline, keep away from one of connecting pipe (4) in connecting seat (3) and serve and seted up a plurality of through-hole (5), one side coaxial arrangement that is close to through-hole (5) at connecting seat (3) has a sealing rod (6), and sliding connection has a piston (7) and piston (7) to be the tubulose setting on female head (2) inner wall, and the internal diameter of piston (7) is greater than the diameter of sealing rod (6) pass one of piston (7) serve fixedly connected with be the diameter of baffle (8) and baffle (8) that circular setting Be greater than the internal diameter of piston (7), be equipped with on connecting seat (3) and be used for supporting piston (7) tightly at the piece that supports of baffle (8), be equipped with between public first (1) one end outer wall and female first (2) one end inner wall and be used for locking retaining member (9) on female first (2) inner wall public first (1).

2. The self-sealing leakage-proof joint as claimed in claim 1, wherein the abutting member is provided as an abutting spring (10), one end of the abutting spring (10) is fixedly connected to a side wall of the connecting seat (3) near the through hole (5), the other end of the abutting spring (10) is fixedly connected to an end face of one end of the piston (7), and the abutting spring (10) is in a compressed arrangement.

3. A self-sealing leakproof joint as claimed in claim 2, characterized in that the locking member (9) comprises a spring plate (11) fixedly connected to the inner wall of one end of the female head (2) and a locking ring (12) fixedly connected to the outer wall of one end of the male head (1), and when one end of the spring plate (11) is pressed against one side wall of the locking ring (12), one end of the male head (1) drives the piston (7) to compress against the spring (10).

4. A self-sealing leakproof joint as claimed in claim 3, characterized in that a first annular groove (13) is formed in the outer wall of one end of the male joint (1), a first sealing ring (14) is clamped in the first annular groove (13), and the first sealing ring (14) abuts against the inner wall of one end of the female joint (2).

5. The self-sealing type leakage-proof joint as claimed in claim 4, wherein a second ring groove (15) is formed on the outer wall of the piston (7), a second sealing ring (16) is clamped in the second ring groove (15), and the second sealing ring (16) abuts against the inner wall of the female head (2).

6. The self-sealing type leakage-proof joint as claimed in claim 5, wherein a third ring groove (17) is formed on the outer wall of the end of the sealing rod (6) close to the baffle ring, a third sealing ring (18) is clamped on the inner wall of the third ring groove (17), and the third sealing ring (18) abuts against the inner wall of the piston (7).

7. The self-sealing type leakage-proof joint as claimed in claim 6, wherein a fourth ring groove (19) is formed on the outer wall of the connecting seat (3), a fourth sealing ring (20) is clamped on the inner wall of the fourth ring groove (19), and the fourth sealing ring (20) abuts against the inner wall of the female head (2).