CN204729687U - 升降式止回阀 - Google Patents
升降式止回阀 Download PDFInfo
- Publication number
- CN204729687U CN204729687U CN201520490538.5U CN201520490538U CN204729687U CN 204729687 U CN204729687 U CN 204729687U CN 201520490538 U CN201520490538 U CN 201520490538U CN 204729687 U CN204729687 U CN 204729687U
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- flap
- circular cavity
- valve gap
- 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
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520490538.5U CN204729687U (zh) | 2015-07-04 | 2015-07-04 | 升降式止回阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520490538.5U CN204729687U (zh) | 2015-07-04 | 2015-07-04 | 升降式止回阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204729687U true CN204729687U (zh) | 2015-10-28 |
Family
ID=54388040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520490538.5U Expired - Fee Related CN204729687U (zh) | 2015-07-04 | 2015-07-04 | 升降式止回阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204729687U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI761761B (zh) * | 2020-02-07 | 2022-04-21 | 日商石崎股份有限公司 | 止回閥 |
US11828373B2 (en) | 2020-01-31 | 2023-11-28 | Ishizaki Co., Ltd. | Check valve |
-
2015
- 2015-07-04 CN CN201520490538.5U patent/CN204729687U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11828373B2 (en) | 2020-01-31 | 2023-11-28 | Ishizaki Co., Ltd. | Check valve |
TWI761761B (zh) * | 2020-02-07 | 2022-04-21 | 日商石崎股份有限公司 | 止回閥 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204729687U (zh) | 升降式止回阀 | |
CN203784384U (zh) | 一种新型升降式止回阀 | |
CN204372243U (zh) | 一种止回阀 | |
CN204061919U (zh) | 一种柱塞多级式高压差调节阀 | |
CN205479425U (zh) | 密封调节器 | |
CN204114247U (zh) | 一种自动平衡压力的旋启式止回阀 | |
CN104976390A (zh) | 一种新型升降式止回阀 | |
CN202418695U (zh) | 流量可调节球阀 | |
CN205423926U (zh) | 一种钻井用地面管线球阀注脂嘴 | |
CN104180029A (zh) | 一种自动平衡压力的旋启式止回阀 | |
CN205955694U (zh) | 一种多功能井口闸阀 | |
CN204062092U (zh) | 一种内衬式耐腐蚀陶瓷结构调节阀 | |
CN204941456U (zh) | 一种压差式泄油器 | |
CN204592441U (zh) | 止回阀 | |
CN202645521U (zh) | 一种储气库水平井注采管柱 | |
CN205743818U (zh) | 井口防喷装置 | |
CN206299828U (zh) | 高压球阀密封结构 | |
CN203516878U (zh) | 氯气用贯流式止回阀 | |
CN204664503U (zh) | 工业制冷用直通式止回阀 | |
CN205446752U (zh) | 一种止回阀和该止回阀采用的阀瓣 | |
CN207112008U (zh) | 一种盖板式软密封单流角阀 | |
CN204664435U (zh) | 一种耐腐截止阀 | |
CN203979513U (zh) | 滚球止回阀 | |
CN204061359U (zh) | 高稳定性引射器 | |
CN203784381U (zh) | 压力自密封旋启式止回阀 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201105 Address after: No. 1921 Binhai 1st Road, economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: FANGZHENG VALVE GROUP Co.,Ltd. Address before: 325000, No. 1921, Binhai Park, Wenzhou economic and Technological Development Zone, Zhejiang, China Patentee before: FANGZHENG VALVE GROUP (WENZHOU) MACHINERY MANUFACTURING Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 1921 Binhai 1st Road, economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: Founder Valve Group Co.,Ltd. Address before: No. 1921 Binhai 1st Road, economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee before: FANGZHENG VALVE GROUP Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 |
|
CF01 | Termination of patent right due to non-payment of annual fee |