CN216112615U

CN216112615U - Stop valve that leakproofness is strong

Info

Publication number: CN216112615U
Application number: CN202122729332.1U
Authority: CN
Inventors: 胡双凤; 徐春光
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-22
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a stop valve with strong sealing performance in the field of stop valves, which comprises a valve body, wherein the inner wall of the valve body is fixedly connected with two first sealing rings, a water inlet pipe and a water outlet pipe are respectively arranged in the valve body, the outer surface of the water inlet pipe and the outer surface of the water outlet pipe are respectively fixedly connected with a second sealing ring and a clamping ring, one end of the valve body, which is far away from each other, is fixedly connected with a first waterproof ring, one side surface, which is far away from each other, of the two first waterproof rings is provided with a sealing groove, the first sealing rings can be matched with the second sealing rings to strengthen the sealing among the valve body, the water inlet pipe and the water outlet pipe, and prevent the water seepage caused by the poor sealing performance of the valve body and the water pipe, the sealing performance among the valve body, the water inlet pipe and the water outlet pipe can be strengthened through the clamping rings and the first waterproof rings, the sealing performance of the valve body and the clamping rings is strengthened, and the poor sealing performance of the stop valve body and the pipeline is avoided, resulting in a problem of water leakage between the shut-off valve and the pipeline.

Description

Stop valve that leakproofness is strong

Technical Field

The utility model relates to the field of stop valves, in particular to a stop valve with strong sealing performance.

Background

The stop valve is also called a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent a sealing surface from leaking, when a medium enters the valve from the lower part of the valve clack, the resistance to be overcome by an operating force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the failure of the valve rod bending can occur, and the stop valve is divided into three types according to the connection mode: flange connection, screw thread connection and welding connection.

The inside stronger leakproofness that has of current stop valve, but the delivery port of stop valve and the seal structure between water inlet and the pipeline are less, and when stop valve and outside pipe connection, the phenomenon of infiltration can appear between stop valve and the pipeline, not only is unfavorable for the use of stop valve, still causes the wasting of resources. Accordingly, those skilled in the art have provided a shut-off valve having high sealing performance to solve the problems of the background art described above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stop valve with strong sealing performance so as to solve the problems in the background technology.

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

the water-saving valve comprises a valve body, two first sealing rings of inner wall fixedly connected with of valve body, inlet tube and outlet pipe have been placed respectively to the inside of valve body, the surface of inlet tube and the surface of outlet pipe are fixedly connected with second sealing ring and joint ring respectively, the first waterproof ring of the equal fixedly connected with of one end that the valve body was kept away from each other, two the seal groove has all been seted up to the side that first waterproof ring was kept away from each other, every the equal joint in inside of seal groove has third sealing ring, every the equal fixedly connected with go-between of surface of joint ring.

As a further scheme of the utility model: two a side that the third sealing ring keeps away from each other is respectively with the side fixed connection that two go-between are close to each other, every the inner wall of first sealing ring all contacts with the surface of second sealing ring, two thread grooves have been seted up to the inner wall of valve body, every the joint ring all contacts with the inner wall of first waterproof ring.

As a still further scheme of the utility model: every equal threaded connection in the inside of thread groove has the screw thread coil, every the surface of screw thread coil all is connected with the surface fixed connection of joint ring.

As a still further scheme of the utility model: every the equal fixedly connected with buffering ring of inner wall of seal groove, two a side that the buffering ring was kept away from each other all contacts with a side that two third sealing rings are close to each other.

As a still further scheme of the utility model: two the equal fixedly connected with second waterproof ring in the side that first waterproof ring kept away from each other, every the inner wall of second waterproof ring all contacts with the surface of go-between.

As a still further scheme of the utility model: every third waterproof ring, two are all placed in the outside of second waterproof ring the surface of third waterproof ring respectively with the surface of two go-between, the surface of inlet tube and the surface fixed connection of outlet pipe.

As a still further scheme of the utility model: the outer surface of the valve body is fixedly connected with a plurality of anti-skidding cylinders, and the number of the anti-skidding cylinders is at least four.

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

1. according to the utility model, the first sealing ring is arranged and matched with the second sealing ring, so that the sealing among the valve body, the water inlet pipe and the water outlet pipe can be enhanced, and the condition of water seepage caused by poor sealing performance of the valve body and a water pipe is prevented.

2. According to the utility model, the sealing capacity of the pipeline and the water interception valve can be further enhanced through the sealing groove and the third sealing ring, the purpose of enhancing the connection between the pipeline and the water interception valve through the sealing groove and the third sealing ring is realized, the third sealing ring can be connected through the connecting ring and is supported, the purpose of enhancing the sealing of the valve body is realized through the contact mode of the connecting ring and the first waterproof ring, and the function of preventing liquid from permeating is achieved.

Drawings

FIG. 1 is a schematic three-dimensional structure of a valve body according to the present invention;

FIG. 2 is a schematic three-dimensional structure of a sealing groove of the present invention;

FIG. 3 is a schematic three-dimensional structure of the snap ring of the present invention;

fig. 4 is a schematic three-dimensional structure of the first seal ring according to the present invention.

In the figure: 1. a valve body; 2. an anti-slip cylinder; 3. a first waterproof ring; 4. a water outlet pipe; 5. a connecting ring; 6. a third water ring; 7. a water inlet pipe; 8. a second waterproof ring; 9. a thread groove; 10. a buffer ring; 11. a first seal ring; 12. a third seal ring; 13. a snap ring; 14. a threaded coil; 15. a sealing groove; 16. a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the utility model, the stop valve with high sealing performance includes a valve body 1, two first sealing rings 11 are fixedly connected to an inner wall of the valve body 1, a water inlet pipe 7 and a water outlet pipe 4 are respectively placed inside the valve body 1, a second sealing ring 16 and a clamping ring 13 are respectively fixedly connected to an outer surface of the water inlet pipe 7 and an outer surface of the water outlet pipe 4, a first waterproof ring 3 is fixedly connected to one end of the valve body 1 away from each other, a sealing groove 15 is formed in one side surface of each of the two first waterproof rings 3 away from each other, a third sealing ring 12 is clamped inside each of the sealing grooves 15, and a connecting ring 5 is fixedly connected to an outer surface of each of the clamping rings 13.

Wherein, the side face of two third sealing rings 12 far away from each other is respectively fixedly connected with the side face of two connecting rings 5 close to each other, the inner wall of each first sealing ring 11 is contacted with the outer surface of a second sealing ring 16, the inner wall of the valve body 1 is provided with two thread grooves 9, each clamping ring 13 is contacted with the inner wall of the first waterproof ring 3, the connecting and sealing capacity of the valve body 1 is increased through the thread grooves 9 to play a role of connecting the clamping rings 13, the inner part of each thread groove 9 is connected with a thread coil 14 in a threaded manner, the outer surface of each thread coil 14 is fixedly connected with the outer surface of the clamping ring 13, the thread coils 14 can be connected with the thread grooves 9 in a threaded manner to play a role of increasing the sealing performance between the clamping rings 13 and the valve body 1, the inner wall of each sealing groove 15 is fixedly connected with a buffer ring 10, the side face of two buffer rings 10 far away from each other is contacted with the side face of two third sealing rings 12 close to each other, the buffer ring 10 can buffer the third seal ring 12, and a good buffer effect is achieved.

Wherein, the two first waterproof rings 3 are respectively fixedly connected with a second waterproof ring 8 on the side far away from each other, the inner wall of each second waterproof ring 8 is contacted with the outer surface of the connecting ring 5, the liquid permeation can be prevented through the second waterproof rings 8, the waterproof sealing capability of the valve body 1 and a pipeline is increased, a third waterproof ring 6 is placed on the outer side of each second waterproof ring 8, the outer surfaces of the two third waterproof rings 6 are respectively fixedly connected with the outer surfaces of the two connecting rings 5, the outer surface of the water inlet pipe 7 and the outer surface of the water outlet pipe 4, the liquid can be prevented from further permeating through the pipeline through the third waterproof rings 6, the waterproof effect is realized by matching with the second waterproof rings 8, the outer surface of the valve body 1 is fixedly connected with a plurality of anti-skid cylinders 2, the number of the anti-skid cylinders 2 is at least four, the hand friction can be increased through the anti-skid cylinders 2, the slipping phenomenon of the valve body 1 is prevented.

The working principle of the utility model is as follows: when the water interception valve needs to be used and the tightness between the water interception valve and a pipeline is ensured, firstly, a second sealing ring 16 and a clamping ring 13 are arranged on a water inlet pipe 7 and a water outlet pipe 4, a thread coil 14, a second sealing ring 16 and a connecting ring 5 are arranged on the second sealing ring 16, a first waterproof ring 3 is arranged on a valve body 1, the water inlet pipe 7 or the water outlet pipe 4 is clamped inside the valve body 1, when the thread coil 14 is contacted with a thread groove 9, the water inlet pipe 7 or the water outlet pipe 4 is rotated by hands, the clamping ring 13 is driven by the water inlet pipe 7 or the water outlet pipe 4 to rotate inside the thread groove 9, the tightness between the water inlet pipe 7 or the water outlet pipe 4 and the valve body 1 is increased, the outer surface of the second sealing ring 16 is contacted with the inner wall of the first sealing ring 11 in the rotating process, the tightness is increased, the water inlet pipe 7 or the water outlet pipe 4 drives a third sealing ring 12 to be clamped inside a sealing groove 15 through the connecting ring 5, further guarantee inlet tube 7 or outlet pipe 4 and valve body 1's being connected, prevent that valve body 1 from oozing water or the relatively poor condition of leakproofness, avoid the seal structure of stop valve and pipeline poor, lead to the problem that can appear oozing water between stop valve and the pipeline.

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 technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Stop valve that leakproofness is strong, including valve body (1), its characterized in that: two first sealing rings (11) of inner wall fixedly connected with of valve body (1), inlet tube (7) and outlet pipe (4) have been placed respectively to the inside of valve body (1), the surface of inlet tube (7) and the surface of outlet pipe (4) are fixedly connected with second sealing ring (16) and joint ring (13) respectively, the equal first waterproof ring of fixedly connected with of one end (3), two of valve body (1) keep away from each other first waterproof ring (3) a side of keeping away from each other has all seted up seal groove (15), every the equal joint in inside of seal groove (15) has third sealing ring (12), every the equal fixedly connected with go-between (5) of surface of joint ring (13).

2. The high-sealability stop valve according to claim 1, wherein: two a side that third sealing ring (12) kept away from each other respectively with two go-between (5) a side fixed connection that is close to each other, every the inner wall of first sealing ring (11) all contacts with the surface of second sealing ring (16), two thread grooves (9) have been seted up to the inner wall of valve body (1), every joint ring (13) all contacts with the inner wall of first waterproof ring (3).

3. The high-sealing stop valve according to claim 2, characterized in that: every equal threaded connection in inside of thread groove (9) has screw thread coil (14), every the surface of screw thread coil (14) all is connected with the surface fixed connection of joint ring (13).

4. The high-sealability stop valve according to claim 1, wherein: every the equal fixedly connected with buffer ring (10) of inner wall of seal groove (15), two a side that buffer ring (10) kept away from each other all contacts with a side that two third sealing rings (12) are close to each other.

5. The high-sealability stop valve according to claim 1, wherein: two a side that first waterproof ring (3) kept away from each other all fixedly connected with second waterproof ring (8), every the inner wall of second waterproof ring (8) all contacts with the surface of go-between (5).

6. The high-sealing stop valve according to claim 5, characterized in that: every third waterproof ring (6), two have all been placed in the outside of second waterproof ring (8) the surface of third waterproof ring (6) respectively with the surface of two go-between (5), the surface of inlet tube (7) and the surface fixed connection of outlet pipe (4).

7. The high-sealability stop valve according to claim 1, wherein: the outer fixed surface of valve body (1) is connected with a plurality of anti-skidding cylinder (2), the quantity of anti-skidding cylinder (2) is four at least.