CN220600501U - Valve seat assembly for ball valve - Google Patents
Valve seat assembly for ball valve Download PDFInfo
- Publication number
- CN220600501U CN220600501U CN202322242620.3U CN202322242620U CN220600501U CN 220600501 U CN220600501 U CN 220600501U CN 202322242620 U CN202322242620 U CN 202322242620U CN 220600501 U CN220600501 U CN 220600501U
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- CN
- China
- Prior art keywords
- valve
- ball
- valve seat
- main body
- rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 44
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model relates to the technical field of valve seat assemblies, in particular to a valve seat assembly for a ball valve. The technical proposal comprises: the valve comprises a lower valve seat body, an upper valve seat body and a valve ball body, wherein the upper valve seat body is movably mounted at the top of the lower valve seat body, the valve ball body is movably mounted in the lower valve seat body, circular arc grooves are uniformly formed in the inner wall of the lower valve seat body, steel balls are rotatably mounted in the circular arc grooves, a rectangular groove is formed in one side of the valve ball body, and the valve rod is mounted in the rectangular groove in a sliding manner through the lower valve seat body. According to the utility model, the lower valve seat body, the upper valve seat body, the valve ball body, the circular arc groove and the steel ball are arranged, when the valve ball body rotates between the lower valve seat body and the upper valve seat body, the valve ball body is contacted with the steel ball, so that the steel ball rotates in the circular arc groove, the rotating friction force of the valve ball body is reduced, the valve ball body rotates more conveniently when being closed and opened, and the operation convenience of the device is improved.
Description
Technical Field
The utility model relates to the technical field of valve seat assemblies, in particular to a valve seat assembly for a ball valve.
Background
The ball valve is used for fluid regulation and control, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the surfacing hard alloy, and is particularly suitable for media containing fibers, tiny solid particles and the like, the multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the media on a pipeline, and simultaneously can close any channel to connect the other two channels, the valve is generally horizontally installed in the pipeline, and the ball valve is classified: the utility model provides a pneumatic ball valve, the electric ball valve, manual ball valve, wherein the application number is "ball valve seat" that "CN205639688U" disclosed, it has solved current ball valve's seal and has been realized sealing by ball extrusion polytetrafluoroethylene disk seat, because polytetrafluoroethylene this kind of material resilience is poor, it can be sealed to need increase valve interference magnitude in order to realize the sealing of valve, cause the valve moment of torsion big like this, multiple drawback that life is short, further search discovers, it is "203500553U on the CN" disclosed "ball valve seat", it sets up through specific technical structure, the phenomenon of gnawing easily appears in the disk seat assembly is tangible solved, because the long-term rigid friction between spheroid and the disk seat makes its surface appear the pit, lead to the problem to appear in sealing between spheroid and the disk seat, influence the normal use of ball valve and technical drawback such as performance, but the disk seat subassembly that a ball valve of similar structure used still has a great deal of defects when in actual use, for example: most of the existing ball valve seat assemblies are inconvenient to install, so that a valve rod can shake when installed on a ball valve, the valve rod is unstable, the valve rod is inconvenient to rotate when driving the ball valve to rotate, and the resistance is large, so that the valve seat assembly for the ball valve needs to be designed.
Disclosure of Invention
The present utility model is directed to a valve seat assembly for a ball valve, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a disk seat subassembly that ball valve was used, including lower disk seat main part, go up disk seat main part and valve ball main part, the top movable mounting of lower disk seat main part has the valve ball main part, the circular arc groove has evenly been seted up to the inside movable mounting of lower disk seat main part, the steel ball is installed in the inside rotation of circular arc groove, rectangular groove has been seted up to one side of valve ball main part, the valve seat main part is slided into under the inside of rectangular groove and is installed the valve rod, the cavity has been seted up with the bottom in the top of valve ball main part, spacing arc wall has been seted up with the bottom in the top of valve rod opposite side, the inside movable mounting of cavity has the stopper to extend to the inside in spacing arc wall.
Firstly, the staff slides the valve rod into the inside of installing at the rectangle recess, then the stopper slides in the inside of cavity, make the inside of the one end slip of stopper in spacing arc wall, thereby make the valve rod by fixed mounting in the inside of rectangle recess, rocking when having avoided the valve rod operation, when the staff needs to open or close the ball valve, the valve ball main part rotates between lower disk seat main part and last disk seat main part, valve ball main part contacts with the steel ball, make the steel ball rotate in the inside of arc wall, thereby the rotatory frictional force of valve ball main part has been reduced, it is more convenient to make the valve ball main part rotate when closing and opening, the operating convenience of device has been promoted.
Preferably, one end of the limiting block is fixedly provided with a baffle plate in the cavity, and a spring is fixedly arranged in the cavity. Because the elasticity of spring acts on the baffle to make the stopper more firm the inside of the spacing arc wall of slip into under the effect of spring elasticity, thereby make the more firm of valve rod installation, promoted the installation fastness of device.
Preferably, the bottom inside the lower valve seat main body is movably provided with a lower sealing gasket at the bottom of the valve ball main body, and the bottom inside the upper valve seat main body is movably connected with an upper sealing gasket at the top of the valve ball main body. The lower sealing gasket and the upper sealing gasket are respectively contacted with the openings at the top and the bottom of the valve ball main body, so that the sealing performance of the flowing opening of the valve ball main body is better, and the leakage of fluid is avoided.
Preferably, a fixing plate is fixedly arranged at the joint of the lower valve seat main body and the upper valve seat main body, and a bolt is rotatably arranged in the fixing plate in a penetrating manner through threads. The staff runs through the screw thread with the bolt and installs in the inside of fixed plate, makes lower disk seat main part and the firm connection of last disk seat main part be in the same place, makes things convenient for staff's installation operation.
Preferably, one side of the lower valve seat main body is fixedly provided with a fixed block, the outer side of the valve rod is sleeved with a sealing ring, the outer side of the valve rod is sleeved with a sealing cover on one side of the sealing ring, the inner side of the sealing cover is provided with a circular groove, and the inner part of the circular groove slides into a circular ring pad which is fixedly arranged on the sealing ring. The sealing ring is sleeved and mounted on the outer side of the valve rod with the sealing cover, and then the circular ring pad slides into the circular ring groove, so that the sealing cover is firmly connected with the sealing ring, and the sealing performance of the joint between the valve rod and one side of the lower valve seat main body is better.
Preferably, one end of the valve rod is movably provided with an extrusion block, and one side of the extrusion block is fixedly provided with a rotary table. The extrusion piece is installed and is extruded sealed lid in one side of valve rod, makes sealing ring and sealed more fastening of lid installation, and the staff can be through carousel rotation valve rod, makes things convenient for the staff to open or close the valve ball main part.
Preferably, one end of the valve rod is fixedly provided with a screw rod penetrating through the extrusion block, and one end of the screw rod is rotatably provided with a screw cap through threads. The screw rod penetrates through the extrusion block, and then the screw cap is rotatably arranged at one end of the screw rod, so that the extrusion block is fixedly arranged at one side of the valve rod, the installation operation of workers is facilitated, and the installation convenience of the device is improved.
Compared with the prior art, the utility model has the beneficial effects that:
1. through being provided with down disk seat main part, last disk seat main part, valve ball main part, circular arc groove and steel ball, when the valve ball main part rotates between disk seat main part and last disk seat main part down, valve ball main part and steel ball contact make the steel ball rotate in the inside of circular arc groove to reduce the rotation friction of valve ball main part, it is more convenient to make the valve ball main part rotate when closing and opening, has promoted the simple operation nature of device.
2. Through being provided with rectangle recess, valve rod, cavity, spacing arc wall and stopper, the valve rod slides into the inside of installing at the rectangle recess, and the stopper slides in the inside of cavity afterwards, makes the inside of the one end slide-in spacing arc wall of stopper to make the valve rod by fixed mounting in the inside of rectangle recess, rocked when having avoided the valve rod operation, promoted the stability of device.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic top view of the lower valve seat body of the present utility model;
FIG. 3 is a schematic view of a partial front cross-sectional structure of a lower valve seat body of the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional elevation view of a valve ball body according to the present utility model;
FIG. 5 is a schematic side perspective view of a valve ball body of the present utility model;
FIG. 6 is a schematic elevational cross-sectional view of the seal cap of the present utility model;
FIG. 7 is a schematic cross-sectional elevation view of an extrusion block according to the present utility model;
fig. 8 is a schematic front perspective view of a valve stem according to the present utility model.
In the figure: 1. a lower valve seat body; 101. an upper valve seat body; 102. a valve ball body; 103. an arc groove; 104. a steel ball; 105. rectangular grooves; 106. a valve stem; 107. a cavity; 108. limiting the arc-shaped groove; 109. a limiting block; 2. a baffle; 201. a spring; 202. a lower gasket; 203. an upper gasket; 204. a fixing plate; 205. a bolt; 206. a fixed block; 207. a seal ring; 208. sealing cover; 209. circular ring grooves; 3. a circular ring pad; 301. extruding a block; 302. a turntable; 303. a screw rod; 304. and (5) a screw cap.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the valve seat assembly for the ball valve provided by the utility model comprises a lower valve seat main body 1, an upper valve seat main body 101 and a valve ball main body 102, wherein the upper valve seat main body 101 is movably arranged at the top of the lower valve seat main body 1, the valve ball main body 102 is movably arranged in the lower valve seat main body 1, circular arc grooves 103 are uniformly formed in the inner wall of the lower valve seat main body 1, steel balls 104 are rotatably arranged in the circular arc grooves 103, a rectangular groove 105 is formed in one side of the valve ball main body 102, a valve rod 106 is arranged in the rectangular groove 105 in a sliding manner penetrating through the lower valve seat main body 1, and a cavity 107 is formed in the top and the bottom of the valve ball main body 102;
the top and the bottom of valve rod 106 opposite side have seted up spacing arc wall 108, the inside movable mounting of cavity 107 has stopper 109 to extend to the inside of spacing arc wall 108, the one end fixed mounting of stopper 109 has baffle 2 in the inside of cavity 107, the inside fixed mounting of cavity 107 has spring 201, the inside bottom movable mounting of lower disk seat main part 1 has lower sealing gasket 202 in the bottom of valve ball main part 102, the inside bottom swing joint of upper disk seat main part 101 has upper sealing gasket 203 in the top of valve ball main part 102, the junction fixed mounting of lower disk seat main part 1 and upper disk seat main part 101 has fixed plate 204, the inside of fixed plate 204 runs through the rotation through the screw thread and installs bolt 205.
The working principle of the valve seat assembly for a ball valve based on embodiment 1 is as follows: firstly, a worker slides a valve rod 106 into the rectangular groove 105, and the elasticity of a spring 201 acts on a baffle plate 2 to enable a limiting block 109 to slide in a cavity 107, and one end of the limiting block 109 slides into a limiting arc groove 108, so that the valve rod 106 is fixedly arranged in the rectangular groove 105, shaking when the valve rod 106 is operated is avoided, and then an upper valve seat main body 101 is arranged at the top of a lower valve seat main body 1;
the bolt 205 is rotatably arranged in the fixing plate 204 through threads, so that the lower valve seat body 1 and the upper valve seat body 101 are fixedly arranged together, at the moment, the lower sealing gasket 202 and the upper sealing gasket 203 are respectively arranged at the top and the bottom of the valve ball body 102, when a worker needs to open or close the ball valve, the valve ball body 102 rotates between the lower valve seat body 1 and the upper valve seat body 101, the valve ball body 102 contacts with the steel ball 104, and the steel ball 104 rotates in the circular arc groove 103, thereby reducing the rotating friction force of the valve ball body 102, enabling the valve ball body 102 to rotate more conveniently when being closed and opened, and improving the operation convenience of the device.
Example two
As shown in fig. 6, 7 and 8, the valve seat assembly for a ball valve according to the present utility model further includes, compared to the first embodiment: one side of the lower valve seat main body 1 is fixedly provided with a fixed block 206, the outer side of the valve rod 106 is sleeved with a sealing ring 207, the outer side of the valve rod 106 is sleeved with a sealing cover 208 on one side of the sealing ring 207, the inner side of the sealing cover 208 is provided with a circular ring groove 209, the inside of the circular ring groove 209 slides into a circular ring pad 3 fixed on the sealing ring 207, one end of the valve rod 106 is movably provided with an extrusion block 301, one side of the extrusion block 301 is fixedly provided with a rotary table 302, one end of the valve rod 106 is fixedly provided with a screw rod 303 penetrating through the extrusion block 301, and one end of the screw rod 303 is provided with a nut 304 through screw rotation.
In this embodiment, as shown in fig. 6, the sealing ring 207 and the sealing cover 208 are sleeved and installed on the outer side of the valve rod 106, then the circular ring pad 3 slides into the circular ring groove 209, so that the sealing cover 208 is connected with the sealing ring 207 more firmly, the sealing performance of the joint between the valve rod 106 and one side of the lower valve seat main body 1 is better, as shown in fig. 7 and 8, the extrusion block 301 is installed on one side of the valve rod 106 to extrude the sealing cover 208, the sealing ring 207 and the sealing cover 208 are more firmly installed, a worker can rotate the valve rod 106 through the turntable 302, the worker can conveniently open or close the valve ball main body 102, the screw rod 303 penetrates the extrusion block 301, and then the screw cap 304 is rotatably installed at one end of the screw rod 303, so that the extrusion block 301 is fixedly installed on one side of the valve rod 106, the installation operation of the worker is facilitated, and the installation convenience of the device is improved.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a disk seat subassembly that ball valve was used, includes disk seat main part (1), goes up disk seat main part (101) and valve ball main part (102), its characterized in that: the valve seat is characterized in that an upper valve seat body (101) is movably mounted at the top of the lower valve seat body (1), a valve ball body (102) is movably mounted at the inside of the lower valve seat body (1), arc grooves (103) are uniformly formed in the inner wall of the lower valve seat body (1), steel balls (104) are rotatably mounted in the arc grooves (103), a rectangular groove (105) is formed in one side of the valve ball body (102), a valve rod (106) is mounted in the rectangular groove (105) in a sliding mode through the lower valve seat body (1), a cavity (107) is formed in the top and the bottom of the valve ball body (102), a limiting arc groove (108) is formed in the top and the bottom of the other side of the valve rod (106), and a limiting block (109) is movably mounted in the cavity (107) and extends to the inside of the limiting arc groove (108).
2. A valve seat assembly for a ball valve as defined in claim 1, wherein: one end of the limiting block (109) is fixedly provided with a baffle plate (2) in the cavity (107), and a spring (201) is fixedly arranged in the cavity (107).
3. A valve seat assembly for a ball valve as defined in claim 1, wherein: the bottom inside the lower valve seat main body (1) is movably provided with a lower sealing gasket (202) at the bottom of the valve ball main body (102), and the bottom inside the upper valve seat main body (101) is movably connected with an upper sealing gasket (203) at the top of the valve ball main body (102).
4. A valve seat assembly for a ball valve as defined in claim 1, wherein: a fixing plate (204) is fixedly arranged at the joint of the lower valve seat main body (1) and the upper valve seat main body (101), and a bolt (205) is rotatably arranged in the fixing plate (204) through threads.
5. A valve seat assembly for a ball valve as defined in claim 1, wherein: one side fixed mounting of lower disk seat main part (1) has fixed block (206), and sealing ring (207) are cup jointed in the outside of valve rod (106), and sealing lid (208) are cup jointed in one side of sealing ring (207) is installed in the outside of valve rod (106), and ring groove (209) have been seted up to the inboard of sealing lid (208), and ring pad (3) fixed in sealing ring (207) are installed in the inside slip of ring groove (209).
6. A valve seat assembly for a ball valve as defined in claim 1, wherein: one end of the valve rod (106) is movably provided with an extrusion block (301), and one side of the extrusion block (301) is fixedly provided with a rotary table (302).
7. A valve seat assembly for a ball valve as defined in claim 1, wherein: one end of the valve rod (106) is fixedly provided with a screw rod (303) penetrating through the extrusion block (301), and one end of the screw rod (303) is rotatably provided with a nut (304) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242620.3U CN220600501U (en) | 2023-08-21 | 2023-08-21 | Valve seat assembly for ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242620.3U CN220600501U (en) | 2023-08-21 | 2023-08-21 | Valve seat assembly for ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220600501U true CN220600501U (en) | 2024-03-15 |
Family
ID=90174925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322242620.3U Active CN220600501U (en) | 2023-08-21 | 2023-08-21 | Valve seat assembly for ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220600501U (en) |
-
2023
- 2023-08-21 CN CN202322242620.3U patent/CN220600501U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |