CN202812327U - 阀门止回结构 - Google Patents
阀门止回结构 Download PDFInfo
- Publication number
- CN202812327U CN202812327U CN 201220441141 CN201220441141U CN202812327U CN 202812327 U CN202812327 U CN 202812327U CN 201220441141 CN201220441141 CN 201220441141 CN 201220441141 U CN201220441141 U CN 201220441141U CN 202812327 U CN202812327 U CN 202812327U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- rod
- check structure
- sealing surface
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441141 CN202812327U (zh) | 2012-09-02 | 2012-09-02 | 阀门止回结构 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441141 CN202812327U (zh) | 2012-09-02 | 2012-09-02 | 阀门止回结构 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812327U true CN202812327U (zh) | 2013-03-20 |
Family
ID=47871197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220441141 Expired - Fee Related CN202812327U (zh) | 2012-09-02 | 2012-09-02 | 阀门止回结构 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812327U (zh) |
-
2012
- 2012-09-02 CN CN 201220441141 patent/CN202812327U/zh 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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TONGDA MARINE TYPE VALVE + PUMP CO., LTD. Free format text: FORMER NAME: TONGDA MARINE VALVE-PUMP CO., LTD., JIANGYAN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 225509, 6, Tongda Road, Yu Town, Taizhou City, Jiangsu, Jiangyan Patentee after: JIANGSU TONGDA MARINE-TYPE VALVE AND PUMP CO., LTD. Address before: 225509, 6, Tongda Road, Yu Town, Taizhou City, Jiangsu, Jiangyan Patentee before: Jiangyan Tongda Marine Valve Bump Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |