CN202001645U - Vacuum piston valve - Google Patents
Vacuum piston valve Download PDFInfo
- Publication number
- CN202001645U CN202001645U CN2011200146448U CN201120014644U CN202001645U CN 202001645 U CN202001645 U CN 202001645U CN 2011200146448 U CN2011200146448 U CN 2011200146448U CN 201120014644 U CN201120014644 U CN 201120014644U CN 202001645 U CN202001645 U CN 202001645U
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- vacuum
- seat
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a valve, in particular to a vacuum piston valve. A valve seat (2) is arranged in a valve body (1); a piston (3) is connected with the lower end of a valve rod (4); the piston (3) is matched with a valve hole of the valve seat (2); a filling pad (5) is arranged at the matching position between the valve rod (4) and a valve body cover (1-1); a sealing sleeve (6) is fixedly connected with the valve hole of the valve seat (2); the piston (3) is arranged in the sealing sleeve (6); a sealing gasket (7) is arranged on the piston (3); and a rubber layer (8) is bonded on the surface of the inner cavity of the valve body (1). In the vacuum piston valve, the sealing sleeve is arranged on the valve seat and the sealing gasket is arranged on the piston, so the sealing property of the vacuum valve is guaranteed; as the rubber layer is bonded on the surface of the inner cavity of the valve body, erosion of erosion solution to the valve body can be prevented; therefore, the service life of the vacuum valve is prolonged.
Description
Technical field
The utility model relates to valve, particularly a kind of vacuum cock valve.
Background technique
Existing vacuum valve leakage phenomenon can occur when conveying contains impurity and corrosive liquids, and valve inner can be corroded very soon, thereby shortens the working life of valve body.
The model utility content
The purpose of this utility model provides a kind of vacuum cock valve, and the utility model has solved existing vacuum valve leakage phenomenon can occur, and the problem of lacking working life.
Vacuum cock valve of the present utility model has valve seat 2 in valve body 1, piston 3 is connected valve rod 4 lower ends, and piston 3 cooperates with the valve opening of valve seat 2; In valve rod 4 and body cap 1-1 cooperation place Packing seat 5 is installed; Valve opening internal fixation at valve seat 2 is connected with stuffing box gland 6, and piston 3 is arranged in the stuffing box gland 6, and seal washer 7 also is installed on piston 3; Valve body 1 surface of internal cavity also cementation rubber layer 8 is arranged.
The utility model is equipped with stuffing box gland on valve seat, seal washer is installed on the piston, has guaranteed the sealing of vacuum valve.Cementation has rubber layer on the body cavity surface, has prevented the corrosion of corrosion liquid to valve body, thereby has prolonged the working life of vacuum valve.
Description of drawings
Fig. 1 is the utility model structural representation.
Symbol description among the figure: valve body 1, body cap 1-1, valve seat 2, piston 3, valve rod 4, Packing seat 5, stuffing box gland 6, seal washer 7, rubber layer 8.
Embodiment
Below in conjunction with accompanying drawing and with illustrated embodiments the utility model is done detailed explanation.
Consult Fig. 1, the vacuum cock valve has valve seat 2 in valve body 1, and piston 3 is connected valve rod 4 lower ends, and piston 3 cooperates with the valve opening of valve seat 2; In valve rod 4 and body cap 1-1 cooperation place Packing seat 5 is installed; Valve opening internal fixation at valve seat 2 is connected with stuffing box gland 6, and piston 3 is arranged in the stuffing box gland 6, and seal washer 7 also is installed on piston 3; Valve body 1 surface of internal cavity also cementation rubber layer 8 is arranged.
Above embodiment is more preferably embodiment a kind of of the utility model, and the common variation that those skilled in the art carry out in the technical program scope and replacing should be included in the protection domain of the present utility model.
Claims (1)
1. the vacuum cock valve has valve seat (2) in valve body (1), and piston (3) is connected valve rod (4) lower end, and piston (3) cooperates with the valve opening of valve seat (2); In valve rod (4) and body cap (1-1) cooperation place Packing seat (5) is installed; It is characterized in that be connected with stuffing box gland (6) at the valve opening internal fixation of valve seat (2), piston (3) is arranged in the stuffing box gland (6), and seal washer (7) also is installed on piston (3); Valve body (1) surface of internal cavity also cementation rubber layer (8) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200146448U CN202001645U (en) | 2011-01-17 | 2011-01-17 | Vacuum piston valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200146448U CN202001645U (en) | 2011-01-17 | 2011-01-17 | Vacuum piston valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001645U true CN202001645U (en) | 2011-10-05 |
Family
ID=44704386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200146448U Expired - Fee Related CN202001645U (en) | 2011-01-17 | 2011-01-17 | Vacuum piston valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001645U (en) |
-
2011
- 2011-01-17 CN CN2011200146448U patent/CN202001645U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |