CN217355642U

CN217355642U - Ball valve capable of adjusting and compensating valve ball abrasion

Info

Publication number: CN217355642U
Application number: CN202220903846.6U
Authority: CN
Inventors: 严俭祥; 严斌; 唐璐
Original assignee: Jiangsu Fuxiang Valve Manufacturing Co ltd
Current assignee: Jiangsu Fuxiang Valve Manufacturing Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a ball valve of adjustable compensation valve ball wearing and tearing relates to the valve and makes technical field. The utility model discloses a valve body, set up the valve rod on the valve body, fixed connection is at the valve ball of valve rod bottom and set up in the valve gap on valve body right side, be provided with compensation mechanism between valve ball and valve body inner chamber and the valve gap, be provided with sealing mechanism between valve gap and the valve body, compensation mechanism includes the dish spring, first disk seat and second disk seat, dish spring one end fixed connection is on valve gap lateral wall is kept away from to the valve body inner chamber, sealing mechanism includes first arch, the second is protruding, first sealing ring and second sealing ring, first arch and the protruding equal fixed connection of second are on the valve gap lateral surface. The utility model discloses a sealing performance of ball valve has been guaranteed to the compensation mechanism and the sealing mechanism who set up, convenient to use, and sealed effect between valve gap and the valve body is better, avoids the ball valve to take place fluid medium in the use and reveals.

Description

Ball valve capable of adjusting and compensating valve ball abrasion

Technical Field

The utility model belongs to the technical field of the valve is made, especially, relate to ball valve of adjustable compensation valve ball wearing and tearing.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve.

The ball body of the ball valve is fixed and does not move after being pressed. The upper and lower shafts of the ball are usually provided with bearings, so that the ball valve has small operation torque and is suitable for high-pressure and large-caliber valves.

The existing ball valve needs to be opened and closed frequently in the using process, the sealing performance is reduced after the ball valve is used for a period of time, particularly, due to repeated opening and closing, a sealing system of the ball valve such as a valve ball is abraded, the sealing performance of the ball valve is poor, a valve body and a valve cover of the existing ball valve are connected through bolts, the sealing performance between the valve cover and the valve body is poor, and fluid media can leak in the using process of the ball valve, so that the ball valve capable of adjusting and compensating the abrasion of the valve ball is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball valve of adjustable compensation valve ball wearing and tearing, solve current ball valve and need open frequently and close in the use, sealing performance will descend after using a period, especially because opening repeatedly and closing, make the sealing system of ball valves such as valve ball produce wearing and tearing, lead to the sealing performance variation of ball valve, and generally through bolted connection between the valve body of current ball valve and the valve gap, the leakproofness between valve gap and the valve body is relatively poor, the problem of the condition that fluid medium reveals can appear in the use of ball valve.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a ball valve capable of adjusting and compensating the abrasion of a valve ball, which comprises a valve body, a valve rod arranged on the valve body, a valve ball fixedly connected to the bottom of the valve rod and a valve cover arranged on the right side of the valve body, wherein a compensating mechanism is arranged between the valve ball and the inner cavity of the valve body as well as between the valve cover, and a sealing mechanism is arranged between the valve cover and the valve body;

the compensation mechanism comprises a disc spring, a first valve seat and a second valve seat, one end of the disc spring is fixedly connected to one side wall of the inner cavity of the valve body, which is far away from the valve cover, the other end of the disc spring is fixedly connected with the first valve seat, the first valve seat is matched with the valve ball, the second valve seat is arranged on one side, which is close to the valve body, of the valve cover, the second valve seat is matched with the valve ball, and the disc spring extrudes the first valve seat to enable the first valve seat to be always attached to the valve ball;

the sealing mechanism comprises a first bulge, a second bulge, a first sealing ring and a second sealing ring, wherein the first bulge and the second bulge are fixedly connected on the outer side surface of the valve cover, the first bulge and the second bulge are both annular, the outer diameter of the first bulge is smaller than that of the second bulge, the first sealing ring is fixedly connected on the outer side surface of the first bulge, the second sealing ring is fixedly connected on the outer side surface of the second bulge, a first matching groove and a second matching groove are formed in the right side wall of the inner cavity of the valve body, the first matching groove and the second matching groove are both annular, the first matching groove wall is matched with the first sealing ring, the second matching groove wall is matched with the second sealing ring, the first sealing ring fills the gap between the first matching groove wall and the first bulge, and the second sealing ring fills the gap between the second matching groove wall and the second bulge, and first arch, second arch and first cooperation recess, second cooperation recess all are the ladder distribution, and sealed effect is better.

Preferably, the handle is fixedly connected to the top of the outer side face of the valve rod, the valve rod is driven to rotate through rotating the handle, and the valve rod rotates to drive the valve ball to rotate.

Preferably, the valve body is far away from valve gap one side fixedly connected with body, fixedly connected with flange on the body lateral surface is convenient for install the valve body.

Preferably, the valve body top fixedly connected with bush, the through-hole has been seted up at the valve body top, the bush link up mutually with the valve body inner chamber through the through-hole, valve rod swing joint is inside the bush, be provided with the filler between valve rod lateral surface and the bush inner wall, the filler specifically is graphite packing, and graphite packing has elasticity, and sealing performance is better.

Preferably, fixedly connected with sleeve on the second valve seat inner wall, the sleeve sets up inside the valve gap, fixedly connected with external screw thread on the sleeve lateral surface, fixedly connected with internal thread on the valve gap inner wall, and internal thread and external screw thread phase-match.

Preferably, be provided with ring packing between valve body and the valve gap, first annular groove has been seted up to the valve body right flank, and the valve gap is close to and has seted up the second annular groove on the valve body side, and first annular groove, second annular groove all match with ring packing, and ring packing sets up inside first annular groove and second annular groove.

Preferably, the valve body right-hand member is equipped with first screw thread through-hole, the valve gap is close to valve body one end and is equipped with second screw thread through-hole, second screw thread through-hole and first screw thread through-hole phase-match make valve gap and valve body fixed connection inside screw in first screw thread through-hole and the second screw thread through-hole with the bolt in proper order.

The utility model discloses following beneficial effect has:

1. the utility model discloses a compensation mechanism who sets up, the ball valve is in long-term use, because opening and closing repeatedly, make long-term friction between valve ball and first valve seat and the second valve seat, when valve ball and first valve seat and second valve seat surface appear wearing and tearing, the dish spring plays the extrusion to first valve seat, thereby adjust the position of first valve seat, make first valve seat and valve ball closely laminate all the time, make it break away from the first screw thread through-hole that is equipped with on the valve body and the second screw thread through-hole that is equipped with on the valve gap through rotating the bolt, thereby dismantle the valve gap, through rotating the second valve seat, make the sleeve on the second valve seat separate with the valve gap, thereby change the second valve seat, thereby the sealing performance of ball valve has been guaranteed, convenient to use;

2. the utility model discloses a sealing mechanism who sets up, when installing the valve gap, place the valve gap on the valve body right side, and first cooperation recess and the laminating of second cooperation recess that is equipped with on first arch and the second arch that makes to be equipped with on the valve gap and the valve body inner chamber lateral wall mutually, first seal ring is filled the gap between first cooperation recess cell wall and the first arch, the second seal ring is filled the gap between second cooperation recess and the second arch, make valve gap and valve body fixed connection through the bolt, and first arch, the second is protruding and first cooperation recess, second cooperation recess all is the ladder and distributes, sealed effect between valve gap and the valve body is better, avoid the ball valve to take place fluid medium in the use and reveal.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the ball valve of the present invention for adjusting the wear of the compensation valve ball;

FIG. 2 is a top view of the ball valve of the present invention for adjusting and compensating for wear of the valve ball;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 of the ball valve of the present invention to provide an adjustable compensation for wear of the ball;

FIG. 4 is an enlarged view of the ball valve of the present invention showing the wear of the ball valve in FIG. 3;

fig. 5 is an enlarged view of the C-position in fig. 3 of the ball valve for adjusting and compensating the wear of the valve ball of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a valve body; 2. a valve stem; 3. a valve ball; 4. a valve cover; 5. a disc spring; 6. a first valve seat; 7. a second valve seat; 8. a first protrusion; 9. a second protrusion; 10. a first seal ring; 11. a second seal ring; 12. a pipe body; 13. a bushing; 14. a filler; 15. a sleeve; 16. an annular seal ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a ball valve capable of adjusting and compensating the wear of a valve ball, which comprises a valve body 1, a valve rod 2 arranged on the valve body 1, a valve ball 3 fixedly connected to the bottom of the valve rod 2 and a valve cover 4 arranged on the right side of the valve body 1, wherein a compensation mechanism is arranged between the valve ball 3 and the inner cavity of the valve body 1 and between the valve cover 4, and a sealing mechanism is arranged between the valve cover 4 and the valve body 1;

the compensation mechanism comprises a disc spring 5, a first valve seat 6 and a second valve seat 7, one end of the disc spring 5 is fixedly connected to one side wall of the inner cavity of the valve body 1, which is far away from the valve cover 4, the other end of the disc spring is fixedly connected with the first valve seat 6, the first valve seat 6 is matched with the valve ball 3, the second valve seat 7 is arranged on one side, which is close to the valve body 1, of the valve cover 4, the second valve seat 7 is matched with the valve ball 3, and the disc spring 5 extrudes the first valve seat 6 to enable the first valve seat 6 to be always attached to the valve ball 3;

the sealing mechanism comprises a first bulge 8, a second bulge 9, a first sealing ring 10 and a second sealing ring 11, wherein the first bulge 8 and the second bulge 9 are fixedly connected on the outer side surface of the valve cover 4, the first bulge 8 and the second bulge 9 are both annular, the outer diameter of the first bulge 8 is smaller than that of the second bulge 9, the first sealing ring 10 is fixedly connected on the outer side surface of the first bulge 8, the second sealing ring 11 is fixedly connected on the outer side surface of the second bulge 9, a first matching groove and a second matching groove are formed in the right side wall of the inner cavity of the valve body 1, the first matching groove and the second matching groove are both annular, the groove wall of the first matching groove is matched with the first sealing ring 10, the groove wall of the second matching groove is matched with the second sealing ring 11, the first sealing ring 10 fills the gap between the groove wall of the first matching groove and the first bulge 8, and the second sealing ring 11 fills the gap between the second matching groove and the second bulge 9, and first arch 8, second arch 9 and first cooperation recess, second cooperation recess all are the ladder distribution, and sealed effect is better.

Wherein, 2 lateral surface tops fixedly connected with handles of valve rod drive valve rod 2 through rotating the handle and rotate, and valve rod 2 rotates and drives the rotation of valve ball 3.

Wherein, valve body 1 keeps away from valve gap 4 one side fixedly connected with body 12, and fixedly connected with flange is convenient for install valve body 1 on the lateral surface of body 12.

Wherein, 1 top fixedly connected with bush 13 of valve body, the through-hole has been seted up at 1 top of valve body, and bush 13 link up mutually with 1 inner chamber of valve body through the through-hole, and 2 swing joint of valve rod are inside bush 13, are provided with filler 14 between 2 lateral surfaces of valve rod and the 13 inner walls of bush, and filler 14 specifically is graphite packing, and graphite packing has elasticity, and sealing performance is better.

Wherein, fixedly connected with sleeve 15 on the 7 inner walls of second disk seat, sleeve 15 sets up inside valve gap 4, and fixedly connected with external screw thread on the 15 lateral surfaces of sleeve, fixedly connected with internal thread on the 4 inner walls of valve gap, and internal thread and external screw thread phase-match are convenient for change second disk seat 7.

Wherein, be provided with ring packing 16 between valve body 1 and the valve gap 4, first annular groove has been seted up to valve body 1 right flank, and valve gap 4 has been close to and has been seted up the second annular groove on 1 side of valve body, and first annular groove, second annular groove all with ring packing 16 phase-matches, and ring packing 16 sets up inside first annular groove and second annular groove.

Wherein, 1 right-hand member of valve body is equipped with first screw thread through-hole, and valve gap 4 is close to 1 one end of valve body and is equipped with second screw thread through-hole, and second screw thread through-hole and first screw thread through-hole phase-match are inside screw in first screw thread through-hole and second screw thread through-hole in proper order with the bolt, make

valve gap

4 and 1 fixed connection of valve body.

The utility model discloses a theory of operation does: in the long-term use process of the ball valve, due to repeated opening and closing, long-term friction is caused between the valve ball 3 and the first valve seat 6 and the second valve seat 7, when the surfaces of the valve ball 3 and the first valve seat 6 as well as the second valve seat 7 are worn, the disc spring 5 extrudes the first valve seat 6, so that the position of the first valve seat 6 is adjusted, the first valve seat 6 and the valve ball 3 are always tightly attached, the first valve seat 6 is separated from the first threaded through hole formed in the valve body 1 and the second threaded through hole formed in the valve cover 4 by rotating the bolt, the valve cover 4 is detached, the sleeve 15 on the second valve seat 7 is separated from the valve cover 4 by rotating the second valve seat 7, and the second valve seat 7 is replaced, so that the sealing performance of the ball valve is guaranteed, and the use is facilitated; when installing valve gap 4, place valve gap 4 in 1 right side of valve body, and make first protruding 8 and the second that is equipped with on valve gap 4 and the first cooperation recess and the second cooperation recess that are equipped with on the protruding 9 of the first inner chamber of valve body side wall laminate mutually, first sealing ring 10 is filled the gap between first cooperation recess cell wall and the first arch 8, second sealing ring 11 is filled the gap between second cooperation recess and the protruding 9 of second, make valve gap 4 and 1 fixed connection of valve body through the bolt, and first protruding 8, the protruding 9 of second and first cooperation recess, second cooperation recess all is the ladder distribution, the sealed effect between valve gap 4 and the valve body 1 is better, avoid the ball valve to take place fluid medium in the use and reveal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Ball valve of adjustable compensation valve ball wearing and tearing, its characterized in that: the valve comprises a valve body (1), a valve rod (2) arranged on the valve body (1), a valve ball (3) fixedly connected to the bottom of the valve rod (2) and a valve cover (4) arranged on the right side of the valve body (1), wherein a compensation mechanism is arranged between the valve ball (3) and an inner cavity of the valve body (1) as well as between the valve cover (4), and a sealing mechanism is arranged between the valve cover (4) and the valve body (1);

the compensation mechanism comprises a disc spring (5), a first valve seat (6) and a second valve seat (7), one end of the disc spring (5) is fixedly connected to one side wall, far away from the valve cover (4), of the inner cavity of the valve body (1), the other end of the disc spring is fixedly connected with the first valve seat (6), the first valve seat (6) is matched with the valve ball (3), the second valve seat (7) is arranged on one side, close to the valve body (1), of the valve cover (4), and the second valve seat (7) is matched with the valve ball (3);

the sealing mechanism comprises a first bulge (8), a second bulge (9), a first sealing ring (10) and a second sealing ring (11), the first bulge (8) and the second bulge (9) are both fixedly connected on the outer side surface of the valve cover (4), the first bulge (8) and the second bulge (9) are both annular, the outer diameter of the first bulge (8) is smaller than that of the second bulge (9), the first sealing ring (10) is fixedly connected on the outer side surface of the first bulge (8), the second sealing ring (11) is fixedly connected on the outer side surface of the second bulge (9), a first matching groove and a second matching groove are arranged on the right side wall of the inner cavity of the valve body (1), the first matching groove and the second matching groove are both annular, and the groove wall of the first matching groove is matched with the first sealing ring (10), and the groove wall of the second matching groove is matched with the second sealing ring (11).

2. The ball valve capable of adjusting and compensating the wear of the valve ball according to claim 1, is characterized in that a handle is fixedly connected to the top of the outer side surface of the valve rod (2).

3. The ball valve capable of adjusting and compensating the wear of the valve ball according to the claim 2 is characterized in that a pipe body (12) is fixedly connected to one side of the valve body (1) far away from the valve cover (4), and a flange is fixedly connected to the outer side surface of the pipe body (12).

4. The ball valve capable of adjusting and compensating the wear of the valve ball according to claim 3, wherein a bushing (13) is fixedly connected to the top of the valve body (1), a through hole is formed in the top of the valve body (1), the bushing (13) is communicated with an inner cavity of the valve body (1) through the through hole, the valve rod (2) is movably connected inside the bushing (13), and a filler (14) is arranged between the outer side surface of the valve rod (2) and the inner wall of the bushing (13).

5. The ball valve capable of adjusting and compensating the wear of the valve ball according to the claim 4 is characterized in that a sleeve (15) is fixedly connected to the inner wall of the second valve seat (7), and the sleeve (15) is arranged inside the valve cover (4).

6. An adjustable ball valve for compensating valve ball wear according to claim 5, characterized in that an annular sealing ring (16) is arranged between the valve body (1) and the valve cover (4).

7. The ball valve capable of adjusting and compensating the valve ball abrasion according to the claim 6 is characterized in that the right end of the valve body (1) is provided with a first threaded through hole, one end of the valve cover (4) close to the valve body (1) is provided with a second threaded through hole, and the second threaded through hole is matched with the first threaded through hole.