CN217762160U

CN217762160U - Pneumatic three-piece type welded ball valve

Info

Publication number: CN217762160U
Application number: CN202221672947.3U
Authority: CN
Inventors: 孙德静; 谢红斌
Original assignee: Wenzhou Tianyue Fluid Equipment Co ltd
Current assignee: Wenzhou Tianyue Fluid Equipment Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-08
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a pneumatic three formula welding ball valves, including the valve body that has the valve pocket, left valve gap, right valve gap, the executor, spheroid and valve rod, left valve gap and valve body welded fastening, be equipped with detachable fast-assembling subassembly between right valve gap and the valve body, be equipped with left mounting groove in the left valve gap, it communicates with each other with the valve pocket and forms the entry that supplies left disk seat installation to be equipped with left disk seat and left mounting groove in the left mounting groove, be equipped with right mounting groove in the right valve gap, it communicates with each other with the valve pocket and forms the entry that supplies right disk seat installation to be equipped with right disk seat and right mounting groove in the right mounting groove, be equipped with the lower part linkage groove on the spheroid, be equipped with on the valve rod can constitute the linkage subassembly that turns to the linkage with lower part linkage groove, when upset ball valve, linkage subassembly breaks away from with the lower part linkage groove. The utility model has the advantages of it is following and effect: the utility model discloses can realize that disk seat and spheroidal convenient disassembling change, it is more convenient to make the maintenance operation to this reduces cost of labor and maintenance cost.

Description

Pneumatic three-piece type welded ball valve

Technical Field

The utility model relates to a valve, in particular to pneumatic three formula welding ball valves.

Background

The opening and closing piece of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. And can also be used for regulating and controlling the fluid. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The ball valve is divided into the following parts according to the driving mode: pneumatic ball valves, electric ball valves, manual ball valves.

The ball valve is sealed by matching the ball body with the valve seat in a tight abutting mode, the ball body and the valve seat can be relatively worn in the rotating process in the sealing matching mode, the ball body and the valve seat are easily damaged parts in the ball valve, and when the ball body and the valve seat are excessively worn, the ball valve needs to be replaced. The structure of the existing ball valve causes that the whole ball valve needs to be disassembled when a quick-wear part is replaced, and a plurality of other parts irrelevant to the ball valve need to be disassembled, so that the subsequent maintenance operation of the ball valve is complicated, and the labor cost and the maintenance cost are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic three-piece formula welding ball valve, this ball valve can realize that disk seat and spheroidal convenient disassembling are changed, make the maintenance operation more convenient to this reduces cost of labor and maintenance cost.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a pneumatic three-piece formula welding ball valve, includes the valve body that has the valve pocket, set up respectively in the left valve gap and the right valve gap of valve body both sides, install in the executor of valve body, set up in the spheroid of valve pocket and the valve rod of connecting the executor, be equipped with detachable fast-assembling subassembly between left valve gap and valve body welded fastening, right valve gap and the valve body, be equipped with left mounting groove in the left valve gap, be equipped with left disk seat and left mounting groove and the valve pocket in the left mounting groove and communicate with each other and form the entry that supplies left disk seat installation, be equipped with right mounting groove in the right mounting groove, be equipped with the lower part linkage groove on the spheroid, be equipped with on the valve rod and constitute the linkage subassembly that turns to the linkage with lower part linkage groove, when the upset ball valve, linkage subassembly breaks away from with the lower part linkage groove.

By adopting the technical scheme, the valve rod forms steering linkage with the ball body under the action of the linkage assembly, so that the actuator can drive the ball body to open, close and rotate through the valve rod. When the quick-wear part is to be replaced and maintained, the right valve cover is opened through the quick-assembly component, then the ball valve is turned over to separate the linkage component from the lower linkage groove, and the ball body, the left valve seat and the right valve seat can be taken out for replacement. The structure enables the ball valve to be disassembled only by disassembling the right valve cover in the maintenance process of replacing the quick-wear part, and does not need disassembling a plurality of other parts irrelevant to the right valve cover, so that the convenient disassembly and replacement of the valve seat and the ball body are realized, the maintenance operation is more convenient, and the labor cost and the maintenance cost are reduced.

Further setting as follows: the linkage assembly comprises an upper linkage groove and a linkage rod, the upper linkage groove is arranged on the valve rod, is positioned right above the lower linkage groove and is communicated with the lower linkage groove, the linkage rod is movably arranged in the lower linkage groove and the upper linkage groove, the linkage rod is synchronously positioned in the lower linkage groove and the upper linkage groove under the action of gravity to form linkage, and when the ball valve is turned, the linkage rod is positioned in the upper linkage groove.

By adopting the technical scheme, the linkage rod enters the lower linkage groove under the action of gravity and is simultaneously positioned in the lower linkage groove and the upper linkage groove to form steering linkage between the valve rod and the ball body. When the ball valve is turned over, the linkage rod moves back to the lower linkage groove under the action of gravity and enters the upper linkage groove, so that the linkage rod is separated from the ball body, the linkage rod cannot interfere with the disassembly, assembly and replacement operations of the ball body, and the convenience of a replacement process is ensured.

Further setting the following steps: the fast-assembling subassembly is including fixed first bulge loop, the fixed second bulge loop that sets up in right valve lid that sets up in the valve body and the clamp of connecting first bulge loop and second bulge loop.

Through adopting above-mentioned technical scheme, the fixed between valve body and the right valve cap is realized to the first bulge loop of clamp cooperation and second bulge loop to reach the purpose of swift dismouting.

Further setting as follows: be equipped with the sealing washer between first bulge loop and the second bulge loop, be equipped with the sealing ring that extends towards the sealing washer on the second bulge loop, be formed with the sealed annular that supplies the sealing ring embedding on the sealing ring.

Through adopting above-mentioned technical scheme, setting up of sealing washer promotes first bulge loop and both complex leakproofness of second bulge loop, is increasing sealed contact surface through setting up of sealing ring and seal ring groove, reaches better sealed effect.

Further setting the following steps: the valve cavity is internally provided with a spacer bush surrounding the periphery of the lower linkage groove, the lower end of the spacer bush is propped against the ball body to form sealing, the upper end of the spacer bush extends upwards along the axis of the valve rod to enter the valve body and forms telescopic sliding with the valve body, and a driving piece which drives the spacer bush to be propped against the ball body is arranged in the valve body.

By adopting the technical scheme, the driving piece drives the spacer bush to abut against the ball body and is used for blocking the contact of the fluid medium with the linkage rod and the lower linkage groove, so that the influence on the normal movement of the linkage rod caused by the clamping of the linkage rod is avoided.

Further setting the following steps: including being formed with in the valve body and supplying the gliding spout of spacer sleeve, the spacer sleeve extend into the spout, the lower extreme of spacer sleeve is fixed to be provided with down sealed the pad, the upper end is equipped with along with the spacer sleeve motion and with the sealed gliding upper seal pad of spout, the driving piece is for supporting in the drive spring who seals up the pad mutually.

By adopting the technical scheme, the upper sealing gasket and the lower sealing gasket can realize the sealing at two ends of the spacer sleeve, so that the leakage is avoided.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses can realize that disk seat and spheroidal convenient disassembling change, it is more convenient to make the maintenance operation to this reduces cost of labor and maintenance cost.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1. a valve cavity; 2. a valve body; 3. a left valve cover; 4. a right valve cover; 5. an actuator; 6. a sphere; 7. a valve stem; 8. fast assembly; 81. a first convex ring; 82. a second convex ring; 83. clamping a hoop; 9. a left mounting groove; 10. a left valve seat; 11. a right mounting groove; 12. a right valve seat; 13. a lower linkage groove; 141. an upper linkage groove; 142. a linkage rod; 15. a seal ring; 16. a seal ring; 17. sealing the ring groove; 18. a spacer sleeve; 19. a drive member; 20. a chute; 21. a lower seal gasket; 22. and an upper seal gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a pneumatic three-piece welded ball valve includes a valve body 2 having a valve cavity 1, a left valve cover 3 and a right valve cover 4 respectively disposed at two sides of the valve body 2, an actuator 5 fixedly mounted on the valve body 2, a ball 6 disposed in the valve cavity 1, and a valve rod 7 connected to the actuator 5, wherein an output shaft of the actuator 5 is fixedly connected to the valve rod 7. The left valve cover 3 is fixedly welded with the valve body 2, a detachable quick assembly 8 is arranged between the right valve cover 4 and the valve body 2, a left mounting groove 9 is formed in the left valve cover 3, a left valve seat 10 is arranged in the left mounting groove 9, and the left mounting groove 9 is communicated with the valve cavity 1 to form an inlet for mounting the left valve seat 10; a right mounting groove 11 is formed in the right valve cover 4, a right valve seat 12 is arranged in the right mounting groove 11, and the right mounting groove 11 is communicated with the valve cavity 1 to form an inlet for mounting the right valve seat 12. The ball body 6 is provided with a lower linkage groove 13, the valve rod 7 is provided with a linkage component which can form steering linkage with the lower linkage groove 13, and when the ball valve is turned over, the linkage component is separated from the lower linkage groove 13.

The linkage assembly comprises an upper linkage groove 141 which is arranged on the valve rod 7, is positioned right above the lower linkage groove 13 and is communicated with the lower linkage groove, and a linkage rod 142 which is movably arranged in the lower linkage groove 13 and the upper linkage groove 141, the linkage rod 142 is synchronously positioned in the lower linkage groove 13 and the upper linkage groove 141 under the action of gravity to form linkage, and when the ball valve is turned, the linkage rod 142 is positioned in the upper linkage groove 141. The cross sections of the upper and

lower linkage grooves

141 and 13 are rectangular, and the cross section of the linkage rod 142 is rectangular.

The quick assembly 8 comprises a first convex ring 81 integrally arranged on the valve body 2, a second convex ring 82 integrally arranged on the right valve cover 4 and a clamp 83 connecting the first convex ring 81 and the second convex ring 82. A sealing ring 15 is arranged between the first convex ring 81 and the second convex ring 82, a sealing ring 16 extending towards the sealing ring 15 is arranged on the second convex ring 82, and a sealing ring groove 17 for embedding the sealing ring 16 is formed on the sealing ring 15. The valve cavity 1 is internally provided with a spacer 18 surrounding the periphery of the lower linkage groove 13, the lower end of the spacer 18 is abutted against the ball body 6 to form a seal, the upper end of the spacer 18 extends upwards along the axis of the valve rod 7 to form a telescopic sliding with the valve body 2, and the valve body 2 is internally provided with a driving piece 19 for driving the spacer 18 to abut against the ball body 6. The valve body 2 is provided with a sliding groove 20 for the spacer bush 18 to slide, the spacer bush 18 extends into the sliding groove 20, the lower end of the spacer bush 18 is fixedly provided with a lower sealing gasket 21, the upper end of the spacer bush 18 is fixedly provided with an upper sealing gasket 22 which moves along with the spacer bush 18 and slides in a sealing way with the sliding groove 20, the driving part 19 is a driving spring which is abutted against the upper sealing gasket 22, and the sliding groove 20 is provided with an air passage communicated with the outside.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a pneumatic three formula welding ball valve, includes valve body (2) that have valve pocket (1), sets up respectively in left valve gap (3) and right valve gap (4) of valve body (2) both sides, installs in executor (5) of valve body (2), sets up in spheroid (6) of valve pocket (1) and valve rod (7) of connecting executor (5), its characterized in that: be equipped with detachable fast-assembling subassembly (8) between left side valve gap (3) and valve body (2) welded fastening, right valve gap (4) and valve body (2), be equipped with left mounting groove (9) in left side valve gap (3), be equipped with left disk seat (10) and left mounting groove (9) in left side mounting groove (9) and communicate with each other with valve pocket (1) and form the entry that supplies left disk seat (10) installation, be equipped with right mounting groove (11) in right side valve gap (4), be equipped with right disk seat (12) and right mounting groove (11) in right side mounting groove (11) and communicate with each other with valve pocket (1) and form the entry that supplies right disk seat (12) installation, be equipped with lower part gang groove (13) on spheroid (6), be equipped with on valve rod (7) and constitute the linkage assembly that turns to the linkage with lower part gang groove (13), when the upset ball valve, linkage assembly breaks away from with lower part gang groove (13).

2. The pneumatic three-piece welded ball valve of claim 1, wherein: the linkage assembly comprises an upper linkage groove (141) which is arranged on the valve rod (7) and is positioned right above the lower linkage groove (13) and communicated with the lower linkage groove (13), and a linkage rod (142) which is movably arranged in the lower linkage groove (13) and the upper linkage groove (141), the linkage rod (142) is synchronously positioned in the lower linkage groove (13) and the upper linkage groove (141) under the action of gravity to form linkage, and when the ball valve is turned over, the linkage rod (142) is positioned in the upper linkage groove (141).

3. The pneumatic three-piece welded ball valve of claim 1, wherein: the quick assembly component (8) comprises a first convex ring (81) fixedly arranged on the valve body (2), a second convex ring (82) fixedly arranged on the right valve cover (4) and a clamp (83) connected with the first convex ring (81) and the second convex ring (82).

4. A pneumatic three-piece welded ball valve according to claim 3, wherein: be equipped with between first bulge loop (81) and second bulge loop (82) sealing washer (15), be equipped with on second bulge loop (82) towards sealing washer (15) the sealing ring (16) that extend, be formed with on sealing washer (15) and supply sealing ring (16) embedded sealing ring groove (17).

5. The pneumatic three-piece welded ball valve of claim 1, wherein: the valve is characterized in that a spacer bush (18) surrounding the periphery of the lower linkage groove (13) is arranged in the valve cavity (1), the lower end of the spacer bush (18) abuts against the ball body (6) to form a seal, the upper end of the spacer bush extends upwards along the axis of the valve rod (7) to enter the valve body (2) and forms telescopic sliding with the valve body, and a driving piece (19) for driving the spacer bush (18) to abut against the ball body (6) is arranged in the valve body (2).

6. A pneumatic three-piece welded ball valve according to claim 5, wherein: including forming in valve body (2) and supplying sliding spout (20) of spacer sleeve (18), spacer sleeve (18) extend into spout (20), the lower extreme of spacer sleeve (18) is fixed to be provided with down sealed pad (21), the upper end is equipped with and seals up the gliding upper seal pad (22) along with spacer sleeve (18) motion and with spout (20), driving piece (19) are for supporting in the drive spring of upper seal pad (22) mutually.