CN216382654U

CN216382654U - Sealing device for valve machining

Info

Publication number: CN216382654U
Application number: CN202122809377.XU
Authority: CN
Inventors: 李亮亮
Original assignee: Shenyang Hong Da Pipeline Conveying Equipment Co ltd
Current assignee: Shenyang Hong Da Pipeline Conveying Equipment Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-26
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of valves and discloses a sealing device for valve processing, which comprises a valve body, wherein the upper end surface of the valve body is rotatably connected with a rotating shaft, a rotating ball is fixedly welded at the bottom end of the rotating shaft and positioned in the valve body, a ball through groove is formed in the outer surface of the rotating ball, valve body inner grooves are formed in the inner walls of the front side and the rear side of the valve body, a spring is fixedly welded in the valve body inner groove, an inner sealing ball is fixedly welded at one end, far away from the valve body inner groove, of the spring, an inner sealing ball is fixedly welded, a gap between the rotating ball and the valve body forms a sealing cavity, and a sealing device is arranged in the sealing cavity. This sealing device of valve processing usefulness is through being connected the valve body with external pipeline respectively to can follow the inboard through sealing device and seal the valve body, and can seal the ball logical groove through changeing the ball, thereby can further improve the leakproofness of valve body.

Description

Sealing device for valve machining

Technical Field

The utility model relates to the technical field of valves, in particular to a sealing device for valve processing.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, which can control the flow of the medium in a pipe and equipment by making the medium flow or stop, and the valve is a control part in a pipeline fluid conveying system, is used for changing the passage section and the medium flow direction, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a sealing device for valve processing, which solves the problem of poor valve sealing performance.

(II) technical scheme

In order to achieve the purpose of better sealing performance of the valve, the utility model provides the following technical scheme: the sealing device for valve machining comprises a valve body, wherein a rotating shaft is rotatably connected to the upper end face of the valve body, a rotating ball is fixedly welded at the bottom end of the rotating shaft and located inside the valve body, a ball through groove is formed in the outer surface of the rotating ball, valve body inner grooves are formed in the inner walls of the front side and the rear side of the valve body, a spring is fixedly welded inside the valve body inner grooves, an inner sealing ball is fixedly welded at one end, away from the valve body inner grooves, of the spring, a sealing cavity is formed in a gap between the rotating ball and the valve body, and the sealing device is arranged inside the sealing cavity.

Preferably, the sealing device comprises an upper outer groove, a lower inner groove, an upper inner groove, a lower outer groove, an upper sealing ring, a lower sealing ring and an inner connecting ring, the upper outer groove and the lower inner groove are respectively arranged on the top surface and the bottom surface of the inner part of the upper side sealing cavity, the upper inner groove and the lower outer groove are respectively arranged on the top surface and the bottom surface of the inner part of the lower side sealing cavity, the upper sealing ring and the lower sealing ring are respectively and rotatably connected with the upper outer groove and the lower inner groove on the upper side and the lower side, and the inner parts of the upper inner groove and the lower outer groove, the upper sealing ring and the lower sealing ring are rotationally connected through the inner connecting ring, the valve body is connected with an external pipeline, and the rotating ball can be driven to rotate when the rotating shaft is rotated, the valve body can be opened and closed through the rotating ball, and the upper sealing ring and the lower sealing ring can respectively rotate in the upper outer groove and the lower inner groove as well as the upper inner groove and the lower outer groove when the valve body is opened and closed, and then the joint between the rotary ball and the valve body can be sealed through the upper sealing ring, the lower sealing ring and the inner connecting ring.

Preferably, the upper outer groove, the lower inner groove, the upper inner groove and the lower outer groove are all annular grooves, so that the upper sealing ring and the lower sealing ring can rotate in the upper outer groove and the lower inner groove, and in the upper inner groove and the lower outer groove respectively.

Preferably, the upper seal ring, the lower seal ring and the inner connecting ring are all in the shape of a circular ring, so that the joint between the rotary ball and the valve body can be conveniently sealed through the upper seal ring, the lower seal ring and the inner connecting ring.

Preferably, interior ball and the logical groove activity joint of ball are convenient for lead to the groove through the ball sealed in.

Preferably, the front side and the rear side the rotary balls are respectively movably connected with the inner sealing ball, the inner sealing ball can be always in contact with the rotary balls when the rotary balls rotate, then the inner sealing ball is in contact with the outer surface of the rotary ball when the valve body is opened, and the inner sealing ball is in contact with the ball through groove and seals the ball through groove when the valve body is closed, so that the water outlet of the valve body can be sealed from the inner side.

Compared with the prior art, the utility model provides a sealing device for valve processing, which has the following beneficial effects:

1. this sealing device for valve processing is through being connected the valve body with external pipeline, and can drive when rotating the pivot and change the ball and rotate, and then can open and close the valve body through changeing the ball, and when opening and closing the valve body, can make and seal ring down and rotate at last kerve and inside of lower inside groove, last inside groove and lower kerve respectively, and then can seal the junction between ball and the valve body through last seal ring, seal ring and inner link down.

2. This sealing device for valve processing is through being connected the valve body with external pipeline, and can drive when rotating the pivot and change the ball and rotate, and then can open and close the valve body through changeing the ball, and when opening and closing the valve body, can make and seal ring down and rotate at last kerve and inside of lower inside groove, last inside groove and lower kerve respectively, and then can seal the junction between ball and the valve body through last seal ring, seal ring and inner link down.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of a ball according to the present invention;

FIG. 3 is a main sectional view of the structural valve body of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

Wherein: 1. a valve body; 2. a rotating shaft; 3. rotating the ball; 4. a ball through groove; 5. an inner groove of the valve body; 6. a spring; 7. sealing the ball inside; 8. sealing the cavity; 9. an upper outer groove; 10. a lower inner tank; 11. an upper inner groove; 12. a lower outer tank; 13. an upper seal ring; 14. a lower seal ring; 15. are interlinked.

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. 1-4, the present invention provides a sealing device for valve processing, including a valve body 1, the upper end surface of the valve body 1 is rotatably connected with a rotating shaft 2, the bottom end of the rotating shaft 2 is positioned in the valve body 1 and welded and fixed with a rotating ball 3, the outer surface of the rotating ball 3 is provided with a ball through groove 4, the inner walls of the front and back sides of the valve body 1 are provided with valve body inner grooves 5, the inner part of the valve body inner groove 5 is welded and fixed with a spring 6, one end of the spring 6 far away from the valve body inner groove 5 is welded and fixed with an inner sealing ball 7, the gap between the rotating ball 3 and the valve body 1 forms a sealing cavity 8, the inner part of the sealing cavity 8 is provided with a sealing device, the sealing device includes an upper outer groove 9, a lower inner groove 10, an upper inner groove 11, a lower outer groove 12, an upper sealing ring 13, a lower sealing ring 14 and an inner connecting ring 15, the upper outer groove 9 and the lower inner groove 10 are respectively arranged on the top surface and the bottom surface of the inner part of the upper sealing cavity 8, the lower outer groove 11 and the lower outer groove 12 are respectively arranged on the bottom surface of the lower sealing cavity 8, an upper seal ring 13 and a lower seal ring 14 are rotatably connected to the inside of the upper outer tank 9 and the lower inner tank 10, the upper inner tank 11 and the lower outer tank 12 on the upper and lower sides, respectively, the upper seal ring 13 and the lower seal ring 14 are rotatably connected through an inner connecting ring 15, the valve body 1 is connected to an external pipeline by rotating the rotating shaft 2, the rotating ball 3 is driven to rotate, the valve body 1 is opened and closed by the rotating ball 3, the upper seal ring 13 and the lower seal ring 14 are respectively rotated in the upper outer tank 9 and the lower inner tank 10, the upper inner tank 11 and the lower outer tank 12 while the valve body 1 is opened and closed, the connection between the rotating ball 3 and the valve body 1 is sealed by the upper seal ring 13, the lower seal ring 14 and the inner connecting ring 15, the upper outer tank 9, the lower inner tank 10, the upper inner tank 11 and the lower outer tank 12 are annular grooves, and the upper seal ring 13 and the lower seal ring 14 are respectively annular grooves in the upper outer tank 9, the lower tank 10, the upper outer tank 12 and the lower tank 10, Go up the inside rotation of inner groove 11 and lower outer trough 12, go up seal ring 13, seal ring 14 and inner connecting ring 15 are the ring shape down, be convenient for through last seal ring 13, seal ring 14 and inner connecting ring 15 down can seal the junction between ball 3 and the valve body 1, interior ball 7 and the logical groove 4 activity joint of ball lead to, be convenient for seal ball logical groove 4 through interior ball 7, both sides are changeed ball 3 respectively with interior ball 7 swing joint around, can make interior ball 7 contact rather than all the time when changeing ball 3 and rotating ball 3 when rotating, and then interior ball 7 contacts with the surface of changeing ball 3 when valve body 1 is opened this moment, when valve body 1 closes, interior ball 7 and the logical groove 4 contact of ball and seal it this moment, thereby can seal the delivery port of valve body 1 from the inboard.

When the rotary valve is used, the valve body 1 is connected with an external pipeline, the rotary ball 3 can be driven to rotate when the rotary shaft 2 is rotated, the valve body 1 can be opened and closed through the rotary ball 3, the upper sealing ring 13 and the lower sealing ring 14 can respectively rotate in the upper outer groove 9, the lower inner groove 10, the upper inner groove 11 and the lower outer groove 12 when the valve body 1 is opened and closed, the connection part between the rotary ball 3 and the valve body 1 can be sealed through the upper sealing ring 13, the lower sealing ring 14 and the inner connecting ring 15, in addition, the inner sealing ball 7 can be always contacted with the rotary ball 3 when the rotary ball 3 rotates, the inner sealing ball 7 is contacted with the outer surface of the rotary ball 3 when the valve body 1 is opened, and the inner sealing ball 7 is contacted with the ball through groove 4 and seals the rotary ball through groove 4 when the valve body 1 is closed, so that a water outlet of the valve body 1 can be sealed from the inner side.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealing device of valve processing usefulness, includes valve body (1), its characterized in that: the ball valve is characterized in that a rotating shaft (2) is rotatably connected to the upper end face of the valve body (1), a rotating ball (3) is fixed at the bottom end of the rotating shaft (2) and located inside the valve body (1) in a welded mode, a ball through groove (4) is formed in the outer surface of the rotating ball (3), valve body inner grooves (5) are formed in the inner wall of the front side and the rear side of the valve body (1), a spring (6) is fixed in the valve body inner grooves (5) in the welded mode, an inner sealing ball (7) is fixed at one end, far away from the valve body inner grooves (5), of the spring (6), a sealing cavity (8) is formed in a gap between the rotating ball (3) and the valve body (1), and a sealing device is arranged inside the sealing cavity (8).

2. The sealing device for valve machining according to claim 1, wherein: the sealing device comprises an upper outer groove (9), a lower inner groove (10), an upper inner groove (11), a lower outer groove (12), an upper sealing ring (13), a lower sealing ring (14) and an inner connecting ring (15), wherein the upper outer groove (9) and the lower inner groove (10) are respectively arranged on the inner top surface and the bottom surface of an upper side sealing cavity (8), the upper inner groove (11) and the lower outer groove (12) are respectively arranged on the inner top surface and the bottom surface of a lower side sealing cavity (8), the upper sealing ring (13) and the lower sealing ring (14) are respectively rotatably connected with the upper outer groove (9) and the lower inner groove (10) on the upper side and the lower side, the upper inner groove (11) and the lower outer groove (12) on the lower side, and the upper sealing ring (13) and the lower sealing ring (14) are rotatably connected through the inner connecting ring (15).

3. The sealing device for valve machining according to claim 2, wherein: the upper outer groove (9), the lower inner groove (10), the upper inner groove (11) and the lower outer groove (12) are all annular grooves.

4. The sealing device for valve machining according to claim 2, wherein: the upper seal ring (13), the lower seal ring (14) and the inner connecting ring (15) are all in the shape of circular rings.

5. The sealing device for valve machining according to claim 1, wherein: the inner sealing ball (7) is movably clamped with the ball through groove (4).

6. The sealing device for valve machining according to claim 1, wherein: the front side and the rear side of the rotary ball (3) are respectively and movably connected with the inner sealing ball (7).