CN220435479U

CN220435479U - Water seepage prevention ball valve core structure

Info

Publication number: CN220435479U
Application number: CN202320802612.7U
Authority: CN
Inventors: 谢正泽; 朱志刚; 沙涛; 刘敏楠; 吴平; 李增有; 黄亚光; 陈浩
Original assignee: Afa Flow Control Co ltd
Current assignee: Afa Flow Control Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2024-02-02
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a water seepage prevention ball valve core structure, which comprises a sealing assembly, wherein the sealing assembly comprises two valve seats, a guide sleeve, a sealing ring, a first sealing ring, a second sealing ring, a spring, a guide post, a ball body, two first sealing grooves, two sliding grooves, a mounting groove and a second sealing groove; adjacent faces of the two valve seats are symmetrically attached to the outer side wall of the sphere, and the first sealing ring is fixedly connected to the outer side wall of the sealing ring. According to the utility model, through the cooperation of the first sealing groove of the first sealing ring, water source can be prevented from flowing into the space between the sealing ring and the valve body, water source infiltration into the space between the ball body and the valve body can be prevented from being infiltrated into the mounting groove to be contacted with the spring through the second sealing ring, the second sealing ring is pushed by the spring, and the second sealing ring pushes the guide post, so that the valve seat is always attached to the outer surface of the ball body, and further, the situation that gaps are generated between the valve seat and the ball body and water infiltration is avoided.

Description

Water seepage prevention ball valve core structure

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a valve core structure of a water seepage prevention ball.

Background

The opening and closing member (ball) of the ball valve is driven by the valve rod and rotates around the axis of the ball valve to open or close the valve, and the ball valve can also be used for adjusting and controlling the fluid. The hard sealing V-shaped ball valve has very strong shearing force between its V-shaped ball core and the metal valve seat of hard alloy, and is especially suitable for medium containing fiber, tiny solid particles, etc. the ball valve is mainly used in pipeline to cut off, distribute and change the flow direction of medium, and it can be closed tightly only by rotating 90 deg. and very small rotation moment, and is widely used in various industries.

The ball valve at present generally realizes sealedly through the cooperation of valve body and disk seat, however when the ball valve is used for a long time, the valve rod drives the spheroid and rotates and can produce the friction with the disk seat, and then causes the disk seat to produce wearing and tearing, can produce the clearance between disk seat and the spheroid, leads to the leakproofness of ball valve to worsen, the condition of easy emergence infiltration.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a water seepage prevention ball valve core structure.

In order to achieve the above purpose, the utility model provides a water seepage prevention ball valve core structure, which comprises a sealing assembly, wherein the sealing assembly comprises two valve seats, a guide sleeve, a sealing ring, a first sealing ring, a second sealing ring, a spring, a guide post, a ball body, two first sealing grooves, two sliding grooves, a mounting groove and a second sealing groove;

adjacent surfaces of the two valve seats are symmetrically attached to the outer side wall of the ball body, the first sealing ring is fixedly connected to the outer side wall of the sealing ring, the guide post is slidably connected to the inner side wall of the guide sleeve, the second sealing ring is fixedly connected to the outer side wall of the guide post, the spring is sleeved on the outer side wall of the guide post, and the outer side wall of the valve seat is embedded with the third sealing ring;

the valve seat is characterized in that a main body assembly is mounted on the outer side wall of the valve seat and comprises a valve body, two first sealing grooves and two sliding grooves are symmetrically formed in the inner side wall of the valve body, the mounting groove is formed in one side of the inner wall of the sliding groove, and the second sealing groove is formed in the inner side wall of the mounting groove.

Preferably, one side of the sealing ring is fixedly connected to one side of the valve seat away from the ball body, and the outer side wall of the sealing ring is slidably connected to the inner side wall of the valve body.

Preferably, the outer side wall of the first sealing ring is slidably connected to the inner side wall of the first sealing groove, and the outer side wall of the valve seat is slidably connected to the inner side wall of the sliding groove.

Preferably, the guide sleeve is fixedly connected to the inner side wall of the mounting groove, the second sealing ring is slidably connected to the inner side wall of the second sealing groove, and one end, away from the spring, of the guide column is fixedly connected to one side, away from the ball, of the valve seat.

Preferably, one end of the spring is fixedly connected to one side of the inner wall of the mounting groove, and the other end of the spring is fixedly connected to one side of the second sealing ring.

Preferably, the sphere is located in the valve body, a through hole is formed in the sphere, and the through hole is communicated with the valve body.

Preferably, the body assembly further comprises two connecting flanges, a handle and a valve stem;

the valve rod is arranged at the top of the outer side wall of the sphere, and the handle is arranged at the top end of the valve rod.

Preferably, the two connecting flanges are symmetrically and fixedly connected to two sides of the outer wall of the valve body.

The beneficial effects of the utility model are as follows: according to the utility model, by matching the first sealing groove of the first sealing ring, water source can be prevented from flowing into the space between the sealing ring and the valve body, the water source in the valve body can be prevented from flowing into the sliding groove by the sealing ring, the water source can be prevented from seeping between the ball body and the valve body by the third sealing ring, the water source can be prevented from seeping into the mounting groove to be contacted with the spring by the second sealing ring, if the valve seat is worn, the second sealing ring is pushed by the spring, and the second sealing ring pushes the guide post, so that the valve seat is always attached to the outer surface of the ball body, and further, the situation that gaps are generated between the valve seat and the ball body and water seepage is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the prior art or in the embodiments of the present utility model, the following brief description is given of the drawings used in the description of the prior art or the embodiments.

FIG. 1 is a schematic diagram of the overall structure of the water-impermeable ball valve core of the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic structural view of the seal assembly.

Fig. 4 is a schematic structural view of the guide sleeve.

Fig. 5 is a schematic cross-sectional view of the valve body.

Fig. 6 is an enlarged schematic view of the structure of the portion a in fig. 5.

Reference numerals: 101. a seal assembly; 11. a valve seat; 12. a guide sleeve; 13. a seal ring; 14. a first seal ring; 15. a second seal ring; 16. a spring; 17. a guide post; 18. a sphere; 19. a first seal groove; 20. a chute; 22. a mounting groove; 23. a second seal groove; 25. a through hole; 26. a third seal ring; 301. a body assembly; 31. a valve body; 32. a connecting flange; 33. a handle; 34. a valve rod.

Detailed Description

In order for those skilled in the art to better understand the present solution, the following description will clearly and fully describe the technical solution in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the claims and description herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those skilled in the art as the case may be. In addition, the term "plurality" shall mean two as well as more than two. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment provides a water seepage prevention ball valve core structure, as shown in fig. 1-6, which comprises a sealing assembly 101, wherein the sealing assembly 101 comprises two valve seats 11, a guide sleeve 12, a sealing ring 13, a first sealing ring 14, a second sealing ring 15, a spring 16, a guide post 17, a ball 18, two first sealing grooves 19, two sliding grooves 20, a mounting groove 22 and a second sealing groove 23;

adjacent faces of the two valve seats 11 are symmetrically attached to the outer side wall of the ball body 18, the first sealing ring 14 is fixedly connected to the outer side wall of the sealing ring 13, the guide post 17 is slidably connected to the inner side wall of the guide sleeve 12, the second sealing ring 15 is fixedly connected to the outer side wall of the guide post 17, the spring 16 is sleeved on the outer side wall of the guide post 17, and the outer side wall of the valve seat 11 is embedded with the third sealing ring 26.

The main body assembly 301 is installed to the lateral wall of disk seat 11, and main body assembly 301 includes valve body 31, and two first seal grooves 19 and two spouts 20 are all symmetrically offered in the inside wall of valve body 31, and mounting groove 22 is offered in the inner wall one side of spout 20, and second seal groove 23 is offered in the inside wall of mounting groove 22.

In one embodiment, one side of the sealing ring 13 is fixedly connected to one side of the valve seat 11 far away from the ball 18, the outer side wall of the sealing ring 13 is slidably connected to the inner side wall of the valve body 31, the outer side wall of the first sealing ring 14 is slidably connected to the inner side wall of the first sealing groove 19, the outer side wall of the valve seat 11 is slidably connected to the inner side wall of the sliding groove 20, in the use process, the sealing effect can be achieved through the sealing ring 13, water in the valve body 31 is prevented from flowing into the sliding groove 20, water in the valve body 31 can be prevented from flowing into a space between the sealing ring 13 and the valve body 31 through the first sealing ring 14, and the sealing effect can be achieved effectively through the first sealing ring 14 and the sealing ring 13.

In one embodiment, the guide sleeve 12 is fixedly connected to the inner side wall of the mounting groove 22, the second sealing ring 15 is slidably connected to the inner side wall of the second sealing groove 23, one end of the guide post 17, which is far away from the spring 16, is fixedly connected to one side of the valve seat 11, which is far away from the ball 18, one end of the spring 16 is fixedly connected to one side of the inner wall of the mounting groove 22, the other end of the spring 16 is fixedly connected to one side of the second sealing ring 15, through the cooperation of the second sealing ring 15 and the second sealing groove 23, water source can be prevented from penetrating into the mounting groove 22 to be in contact with the spring 16, the situation that the spring 16 rusts occurs, in the use process, if the valve seat 11 is worn, the second sealing ring 15 is pushed by the spring 16, the guide post 17 is pushed by the second sealing ring 15, the valve seat 11 is pushed by the guide post 17, the valve seat 11 can be always attached to the outer surface of the ball 18, the situation that water seepage occurs in a gap between the valve seat 11 and the ball 18 is avoided, the water source is prevented from seeping between the ball 18 and the valve body 31 through the third sealing ring 26.

In one embodiment, the ball 18 is located inside the valve body 31, a through hole 25 is formed in the ball 18, the through hole 25 communicates with the valve body 31, and when the valve body 31 communicates with an external pipe, a water source of the external pipe can flow out through the through hole 25.

In one embodiment, the body assembly 301 further includes two attachment flanges 32, a handle 33, and a valve stem 34; the valve rod 34 is installed at the top of the outer side wall of the sphere 18, the handle 33 is installed at the top of the valve rod 34, the valve rod 34 is driven to rotate through the handle 33, the valve rod 34 drives the sphere 18 to rotate, the through hole 25 can be sealed, and then the function of stopping water flow is achieved.

In one embodiment, two connecting flanges 32 are symmetrically and fixedly connected to two sides of the outer wall of the valve body 31, and the valve body 31 is conveniently installed through the two connecting flanges 32.

The water seepage prevention ball valve core structure of the embodiment has the following working process: the valve body 31 can be in butt joint with an external water pipe through the two connecting flanges 32, the valve rod 34 is driven by the handle 33 to rotate ninety degrees clockwise, the valve rod 34 drives the ball 18 to rotate, the ball 18 drives the through hole 25, at the moment, the through hole 25 is communicated with the valve body 31, water in a pipeline flows out through the through hole 25, when the handle 33 is rotated ninety degrees anticlockwise, the water is stopped, at the moment, the water source can be prevented from flowing into a space between the sealing ring 13 and the valve body 31 through the cooperation of the first sealing ring 14 and the first sealing groove 19, the water source in the valve body 31 can be prevented from flowing into the chute 20 through the sealing ring 13, the resealing effect can be achieved through the third sealing ring 26, the water source can be prevented from seeping into the space between the ball 18 and the valve body 31, the situation that the water source seeps into the mounting groove 22 and contacts with the spring 16 can be prevented from occurring under the cooperation of the second sealing ring 15 and the second sealing groove 23, in the use process, if the valve seat 11 is worn, the second sealing ring 15 is pushed by the spring 16, the guide column 17 is pushed by the guide column 17, the valve seat 11 can be always attached to the outer surface of the ball 18, and the situation of the water seepage between the ball 18 and the ball seat 18 is prevented from occurring.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which are extended therefrom are still within the scope of the present innovative teachings.

Claims

1. The anti-seepage ball valve core structure is characterized by comprising a sealing assembly (101), wherein the sealing assembly (101) comprises two valve seats (11), a guide sleeve (12), a sealing ring (13), a first sealing ring (14), a second sealing ring (15), a spring (16), a guide column (17), a ball body (18), two first sealing grooves (19), two sliding grooves (20), a mounting groove (22) and a second sealing groove (23);

adjacent surfaces of the two valve seats (11) are symmetrically attached to the outer side wall of the ball body (18), the first sealing ring (14) is fixedly connected to the outer side wall of the sealing ring (13), the guide post (17) is slidably connected to the inner side wall of the guide sleeve (12), the second sealing ring (15) is fixedly connected to the outer side wall of the guide post (17), the spring (16) is sleeved on the outer side wall of the guide post (17), and the outer side wall of the valve seat (11) is embedded with the third sealing ring (26);

the valve seat is characterized in that a main body assembly (301) is mounted on the outer side wall of the valve seat (11), the main body assembly (301) comprises a valve body (31), two first sealing grooves (19) and two sliding grooves (20) are symmetrically formed in the inner side wall of the valve body (31), the mounting groove (22) is formed in one side of the inner wall of the sliding groove (20), and the second sealing groove (23) is formed in the inner side wall of the mounting groove (22).

2. The anti-seepage ball valve core structure according to claim 1, wherein one side of the sealing ring (13) is fixedly connected to one side of the valve seat (11) away from the ball body (18), and the outer side wall of the sealing ring (13) is slidably connected to the inner side wall of the valve body (31).

3. The anti-seepage ball valve core structure according to claim 1, wherein the outer side wall of the first sealing ring (14) is slidably connected to the inner side wall of the first sealing groove (19), and the outer side wall of the valve seat (11) is slidably connected to the inner side wall of the sliding groove (20).

4. The anti-seepage ball valve core structure according to claim 1, wherein the guide sleeve (12) is fixedly connected to the inner side wall of the mounting groove (22), the second sealing ring (15) is slidably connected to the inner side wall of the second sealing groove (23), and one end, far away from the spring (16), of the guide post (17) is fixedly connected to one side, far away from the ball body (18), of the valve seat (11).

5. The water-impermeable ball valve core structure according to claim 4, wherein one end of the spring (16) is fixedly connected to one side of the inner wall of the installation groove (22), and the other end of the spring (16) is fixedly connected to one side of the second sealing ring (15).

6. The water seepage prevention ball valve core structure according to claim 4, wherein the ball body (18) is located inside the valve body (31), a through hole (25) is formed in the ball body (18), and the through hole (25) is communicated with the valve body (31).

7. The water ball valve cartridge structure according to claim 1, wherein the body assembly (301) further comprises two connecting flanges (32), a handle (33) and a valve stem (34);

the valve rod (34) is arranged at the top of the outer side wall of the sphere (18), and the handle (33) is arranged at the top end of the valve rod (34).

8. The water-impermeable ball valve core structure according to claim 7, wherein two connecting flanges (32) are symmetrically and fixedly connected to two sides of the outer wall of the valve body (31).