CN217842847U - 一种密封良好的自闭阀 - Google Patents
一种密封良好的自闭阀 Download PDFInfo
- Publication number
- CN217842847U CN217842847U CN202221425154.1U CN202221425154U CN217842847U CN 217842847 U CN217842847 U CN 217842847U CN 202221425154 U CN202221425154 U CN 202221425154U CN 217842847 U CN217842847 U CN 217842847U
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- CN
- China
- Prior art keywords
- valve
- flow
- limiting
- valve body
- cover
- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221425154.1U CN217842847U (zh) | 2022-06-07 | 2022-06-07 | 一种密封良好的自闭阀 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221425154.1U CN217842847U (zh) | 2022-06-07 | 2022-06-07 | 一种密封良好的自闭阀 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842847U true CN217842847U (zh) | 2022-11-18 |
Family
ID=84021355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221425154.1U Active CN217842847U (zh) | 2022-06-07 | 2022-06-07 | 一种密封良好的自闭阀 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842847U (zh) |
-
2022
- 2022-06-07 CN CN202221425154.1U patent/CN217842847U/zh active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W133866 Conclusion of examination: Declare the utility model patent No. 202221425154.1 partially invalid, and maintain the validity of the patent on the basis of claims 1-4 submitted by the patentee on November 2, 2023 Decision date of declaring invalidation: 20240329 Decision number of declaring invalidation: 567470 Denomination of utility model: A well sealed self closing valve Granted publication date: 20221118 Patentee: ZHEJIANG SHIYA GAS VALVE CO.,LTD. |
|
| IP01 | Partial invalidation of patent right |