CN216951764U

CN216951764U - Gas all-welded ball valve

Info

Publication number: CN216951764U
Application number: CN202220764406.7U
Authority: CN
Inventors: 许梦雷; 许胜勇; 蒋祥; 陈温和
Original assignee: Zhejiang Mingfeng Valve Co ltd
Current assignee: Zhejiang Mingfeng Valve Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-12
Anticipated expiration: 2032-04-02

Abstract

The utility model provides a gas all-welded ball valve, which belongs to the technical field of ball valves and comprises a transmission assembly, a main valve body, a ball body and two auxiliary valve bodies; the upper end and the lower end of the ball body are respectively provided with an exhaust hole and a sewage discharge hole, the exhaust hole is used for discharging air retained in the middle cavity of the ball body, the sewage discharge hole is used for discharging residues in the middle cavity of the ball body, and a group of elastic communication components are arranged in the exhaust hole and the sewage discharge hole; all be equipped with a set of elasticity compensation subassembly between vice valve body and two spheroids, the elasticity compensation subassembly is used for sealing the spheroid, puts the setting through exhaust hole and blowoff hole, can be with the spheroid when sealed, with the retentate of inside lumen and the gaseous exhaust spheroidal lumen of detention outside for the retentate can not block up the valve body, under the prerequisite that can not influence valve seal nature, clears up the spheroid, has guaranteed the unobstructed of valve.

Description

Gas all-welded ball valve

Technical Field

The utility model belongs to the technical field of ball valves, and particularly relates to a gas all-welded ball valve.

Background

The all-welded ball valve is widely used in various fields, the superior quality and the high-performance stability of the all-welded ball valve cannot be achieved by a common cast steel ball valve, the service life of the all-welded ball valve is far longer than that of the cast steel ball valve, and the all-welded ball valve is widely applied to various pipeline equipment such as urban gas, urban heat supply, petrochemical industry, shipbuilding, steel, pressure regulating stations, power plants and the like;

when the all-welded ball valve in the prior art is used, due to the integrated design of the whole structure, the retentate of the inner middle cavity of the ball body cannot be removed, so that the position of the inner middle cavity of the ball body can be blocked by the pipeline in the long-term accumulation process, and the connectivity of the valve is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas all-welded ball valve, and aims to solve the problem that in the prior art, due to the integral design of the integral structure, retentate in a middle cavity in a ball body cannot be removed, so that the position of the middle cavity in the ball body can be blocked in the long-term accumulation process of a pipeline, and the connectivity of the valve is influenced.

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

the gas all-welded ball valve comprises a transmission component, a main valve body, a ball body and two auxiliary valve bodies, wherein the two auxiliary valve bodies are respectively fixedly connected to two ends of the main valve body, the far ends of the two auxiliary valve bodies are fixedly connected with sleeves, the ball body is rotatably connected into the main valve body, a lower valve sleeve is arranged at the bottom end of the main valve body, a valve rod sleeve is fixedly connected to the top end of the main valve body, a valve rod is rotatably connected into the valve rod sleeve, the valve rod is fixedly connected to the top end of the ball body, an O-shaped ring is sleeved on the circumferential surface of the valve rod sleeve, a copper sleeve is arranged in the valve rod sleeve, an elongated loop bar is arranged on the upper side of the valve rod sleeve, the elongated loop bar is connected with the valve rod sleeve through a connecting disc, and a transmission component is arranged on the upper side of the elongated loop bar; the upper end and the lower end of the sphere are respectively provided with an exhaust hole and a sewage discharge hole, the exhaust hole is used for discharging air retained in the middle cavity of the sphere, the sewage discharge hole is used for discharging residues in the middle cavity of the sphere, and a group of elastic communication components are arranged in the exhaust hole and the sewage discharge hole; and a group of elastic compensation assemblies are arranged between the auxiliary valve body and the two spheres and are used for sealing the spheres.

As a preferable scheme of the present invention, each group of elastic compensation assemblies includes a valve seat disposed between the sub-valve body and the ball, one end of the valve seat away from the ball is fixedly connected with a compensation spring, one end of the sub-valve body close to the ball is provided with a gap for accommodating the compensation spring, the compensation spring is fixedly connected in the gap, and one end of the valve seat close to the ball is fixedly connected with a sealing ring.

In a preferred embodiment of the present invention, a sealing gasket is fixedly connected to a circumferential surface of the valve seat.

As a preferred scheme of the present invention, each group of elastic communicating assemblies includes a first groove disposed in the exhaust hole, two limiting rods are fixedly connected in the first groove, a communicating pipe is slidably connected to circumferential surfaces of the two limiting rods, the communicating pipe is communicated with the exhaust hole, two second springs are fixedly connected to a bottom end of the communicating pipe, the two second springs are both fixedly connected to a side wall of the first groove, and the two second springs are respectively sleeved on circumferential surfaces of the two limiting rods.

According to a preferred scheme of the utility model, the upper inner wall and the lower inner wall of the main valve body are respectively provided with a sealing groove, the upper end and the lower end of the main valve body are respectively provided with a communicating groove, the two communicating grooves are respectively and intermittently communicated with two communicating pipes, an automatic exhaust valve is fixedly connected in the exhaust hole, and an automatic blowdown valve is fixedly connected in the blowdown hole.

As a preferable scheme of the utility model, the top end of the main valve body is provided with an indication mark.

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

in this device, this device can be with the spheroid when sealed through the setting of exhaust hole and blowoff hole, with the retentate of inside lumen and the gaseous midchamber of gaseous exhaust of detention outside for the retentate can not block up the valve body, under the prerequisite that can not influence valve seal nature, clears up the spheroid, has guaranteed the unobstructed of valve.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a cross-sectional view of a gas all-welded ball valve according to the present invention;

FIG. 2 is a partial enlarged view of the gas full welded ball valve of the present invention at A in FIG. 2;

FIG. 3 is a partial enlarged view of the gas fully welded ball valve of the present invention at B in FIG. 2;

FIG. 4 is a bottom view of the valve body of the gas all-welded ball valve according to the present invention;

fig. 5 is a top view of a valve body of the gas all-welded ball valve according to the present invention.

In the figure: 1. a transmission assembly; 2. lengthening the loop bar; 3. a connecting disc; 4. a copper sleeve; 5. a valve stem; 6. an O-shaped ring; 7. an exhaust hole; 8. a valve stem sleeve; 9. a valve seat; 10. a compensation spring; 11. a sub-valve body; 12. a sleeve; 13. a seal ring; 14. a main valve body; 15. a sphere; 16. a lower valve sleeve; 17. a sewage draining hole; 18. a communicating pipe; 19. a gasket; 20. a first groove; 21. a limiting rod; 22. a second spring; 23. a sealing groove; 24. a communicating groove; 25. indicating the identification.

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.

Example 1

Referring to figures 1-5 of the drawings,

the gas full-welded ball valve comprises a transmission component 1, a main valve body 14, a ball body 15 and two auxiliary valve bodies 11, wherein the two auxiliary valve bodies 11 are respectively and fixedly connected to two ends of the main valve body 14, the end parts, far away from the two auxiliary valve bodies 11, of the two auxiliary valve bodies 11 are respectively and fixedly connected with a sleeve 12, the ball body 15 is rotatably connected into the main valve body 14, a lower valve sleeve 16 is arranged at the bottom end of the main valve body 14, a valve rod sleeve 8 is fixedly connected to the top end of the main valve body 14, a valve rod 5 is rotatably connected into the valve rod sleeve 8, the valve rod 5 is fixedly connected to the top end of the ball body 15, an O-shaped ring 6 is sleeved on the circumferential surface of the valve rod sleeve 8, a copper sleeve 4 is arranged in the valve rod sleeve 8, an elongated sleeve rod 2 is arranged on the upper side of the valve rod sleeve 8, the elongated sleeve rod 2 is connected with the valve rod sleeve 8 through a connecting disc 3, and the transmission component 1 is arranged on the upper side of the elongated sleeve rod 2; the upper end and the lower end of the sphere 15 are respectively provided with an exhaust hole 7 and a sewage discharge hole 17, the exhaust hole 7 is used for discharging air retained in the middle cavity of the sphere 15, the sewage discharge hole 17 is used for discharging retentate in the middle cavity of the sphere 15, and a group of elastic communicating components are arranged in the exhaust hole 7 and the sewage discharge hole 17; a group of elastic compensation components are arranged between the auxiliary valve body 11 and the two spheres 15 and are used for sealing the spheres 15.

In the specific embodiment of the utility model, the device can discharge the retentate and the retentate gas in the inner middle cavity out of the middle cavity of the ball body 15 when the ball body 15 is sealed through the arrangement of the exhaust hole 7 and the sewage discharge hole 17, so that the retentate cannot block the valve body, the ball body 15 is cleaned on the premise of not influencing the sealing performance of the valve, and the smoothness of the valve is ensured;

further, the specific type of the transmission assembly 1 is selected by a person skilled in the art, and the transmission assembly 1 belongs to the prior art, and the detailed description thereof is omitted.

Example 2

Specifically, every group elasticity compensation subassembly is all including locating disk seat 9 between sub-valve body 11 and spheroid 15, and disk seat 9 keeps away from spheroid 15's one end fixedly connected with compensating spring 10, and sub-valve body 11 is close to spheroid 15's one end and is equipped with the clearance of holding compensating spring 10, and compensating spring 10 fixed connection is in the clearance, and disk seat 9 is close to spheroid 15's one end fixedly connected with sealing washer 13.

In this embodiment: the valve seat 9 is pushed to be attached to the ball 15 by the elasticity of the compensation spring 10, and the sealing of the ball 15 is completed.

Example 3

Specifically, a seal 19 is fixedly attached to the circumferential surface of the valve seat 9.

In this embodiment: increasing the sealing effect of the valve seat 9.

Example 4

Specifically, every group elasticity intercommunication subassembly is all including offering the first recess 20 in exhausting hole 7, two gag lever posts 21 of fixedly connected with in the first recess 20, the circumference surface sliding connection of two gag lever posts 21 has communicating pipe 18, communicating pipe 18 is linked together with exhausting hole 7, two second springs 22 of the bottom fixedly connected with of communicating pipe 18, two equal fixed connection of second spring 22 are in the lateral wall of first recess 20, two second springs 22 overlap respectively and locate the circumference surface of two gag lever posts 21.

In this embodiment: by the arrangement of the second spring 22, the communication pipe 18 has a buffering space in the exhaust hole 7, and the communication pipe 18 can be pushed into the sealing groove 23 by the elasticity of the second spring 22, so that the communication pipe 18 is sealed.

Example 5

Specifically, seal groove 23 has all been seted up to the upper and lower inner wall of main valve body 14, and intercommunication groove 24 has all been seted up at the upper and lower both ends of main valve body 14, and two intercommunication grooves 24 communicate with two communicating pipes 18 intermittent type respectively, fixedly connected with automatic discharge valve in the exhaust hole 7, fixedly connected with automatic blowoff valve in the blowoff hole 17.

In this embodiment: the communication of the exhaust hole 7 and the sewage draining hole 17 is respectively controlled through an automatic exhaust valve and an automatic sewage draining valve, so that the integral sealing performance of the device is ensured when the valve is not completely closed;

furthermore, the specific type of the automatic exhaust valve and the automatic blowdown valve is selected by the person skilled in the art, and the automatic exhaust valve and the automatic blowdown valve belong to the prior art, and are not described in detail in the scheme.

Example 6

Specifically, the top end of the main valve body 14 is provided with an indication mark 25.

In this embodiment: the direction that the instruction through instruction sign 25 made things convenient for operating personnel to discern the valve and open and close is used as the example in figure 5, when anticlockwise rotation 90 spheroid 15, the valve is closed, and the communicating pipe 18 of exhaust hole 7 and blowdown hole 17 internalization is linked together with two communicating grooves 24 respectively, and when clockwise rotation 90 spheroid 15, the valve is opened, and communicating pipe 18 and seal groove 23 contact, and seal groove 23 seals communicating pipe 18, has guaranteed spheroid 15's leakproofness.

The working principle is as follows: the lengthening loop bar 2 can be driven to rotate by the transmission component 1, the lengthening loop bar 2 drives the valve rod 5 to rotate, the valve rod 5 drives the ball body 15 to rotate, the angle of the ball body 15 is adjusted in the main valve body 14, the middle cavity part of the ball body 15 is disconnected from the two auxiliary valve bodies 11, thereby drive the position of exhaust hole 7 and blowoff hole 17 and carry out 90 adjustment, make communicating pipe 18 in exhaust hole 7 and the blowoff hole 17 be linked together with the intercommunication groove 24 that main valve body 14 upper and lower both ends were seted up respectively, locate automatic exhaust valve and the automatic blowoff valve start-up in exhaust hole 7 and the blowoff hole 17 respectively, gaseous and the retentate of spheroid 15 intracavity is discharged, two sub-valve bodies 11 at this moment promote the disk seat 9 through the elasticity compensation subassembly and seal spheroid 15, can dredge the inside retentate of device under the circumstances that does not influence the device leakproofness, the patency of device has been guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Gas all-welded ball valve, including drive assembly (1), main valve body (14), spheroid (15) and two vice valve bodies (11), its characterized in that: the two auxiliary valve bodies (11) are respectively and fixedly connected with the two ends of the main valve body (14), the end parts far away from the two auxiliary valve bodies (11) are respectively and fixedly connected with a sleeve pipe (12), the ball body (15) is rotationally connected in the main valve body (14), the bottom end of the main valve body (14) is provided with a lower valve sleeve (16), the top end of the main valve body (14) is fixedly connected with a valve rod sleeve (8), the valve rod sleeve (8) is rotationally connected with a valve rod (5), the valve rod (5) is fixedly connected with the top end of the ball body (15), the circumferential surface of the valve rod sleeve (8) is sleeved with an O-shaped ring (6), a copper sleeve (4) is arranged in the valve rod sleeve (8), a lengthened loop bar (2) is arranged on the upper side of the valve rod sleeve (8), the lengthened sleeve rod (2) is connected with the valve rod sleeve (8) through a connecting disc (3), and a transmission assembly (1) is arranged on the upper side of the lengthened sleeve rod (2);

the upper end and the lower end of the sphere (15) are respectively provided with an exhaust hole (7) and a sewage discharge hole (17), the exhaust hole (7) is used for discharging air retained in the middle cavity of the sphere (15), the sewage discharge hole (17) is used for discharging residues retained in the middle cavity of the sphere (15), and a group of elastic communicating components are arranged in the exhaust hole (7) and the sewage discharge hole (17);

a group of elastic compensation assemblies are arranged between the auxiliary valve body (11) and the two spheres (15), and the elastic compensation assemblies are used for sealing the spheres (15).

2. The gas all-welded ball valve according to claim 1, characterized in that: every group the elasticity compensation subassembly is all including locating disk seat (9) between vice valve body (11) and spheroid (15), the one end fixedly connected with compensation spring (10) of spheroid (15) are kept away from in disk seat (9), the one end that vice valve body (11) is close to spheroid (15) is equipped with the clearance of holding compensation spring (10), compensation spring (10) fixed connection is in the clearance, disk seat (9) are close to one end fixedly connected with sealing washer (13) of spheroid (15).

3. The gas all-welded ball valve according to claim 2, characterized in that: and a sealing gasket (19) is fixedly connected to the circumferential surface of the valve seat (9).

4. The gas all-welded ball valve according to claim 3, wherein: every group elasticity intercommunication subassembly all includes first recess (20) of seting up in exhaust hole (7), two gag lever post (21), two of fixedly connected with in first recess (20) circumference surface sliding connection of gag lever post (21) has communicating pipe (18), communicating pipe (18) and exhaust hole (7) are linked together, two second spring (22), two of the bottom fixedly connected with of communicating pipe (18) equal fixed connection in the lateral wall of first recess (20), two the circumference surface of two gag lever posts (21) is located respectively to second spring (22) cover.

5. The gas all-welded ball valve according to claim 4, wherein: seal groove (23) have all been seted up to the upper and lower inner wall of main valve body (14), intercommunication groove (24), two have all been seted up at the upper and lower both ends of main valve body (14) intercommunication groove (24) respectively with two communicating pipes (18) intermittent type intercommunications, fixedly connected with air relief valve in exhaust hole (7), fixedly connected with automatic blowoff valve in blowoff hole (17).

6. The gas all-welded ball valve according to claim 5, wherein: the top end of the main valve body (14) is provided with an indication mark (25).