CN110388484B - 一种旋启式止回阀 - Google Patents
一种旋启式止回阀 Download PDFInfo
- Publication number
- CN110388484B CN110388484B CN201910751306.3A CN201910751306A CN110388484B CN 110388484 B CN110388484 B CN 110388484B CN 201910751306 A CN201910751306 A CN 201910751306A CN 110388484 B CN110388484 B CN 110388484B
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- CN
- China
- Prior art keywords
- piston
- valve
- hole
- cavity
- piston cavity
- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910751306.3A CN110388484B (zh) | 2019-08-15 | 2019-08-15 | 一种旋启式止回阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910751306.3A CN110388484B (zh) | 2019-08-15 | 2019-08-15 | 一种旋启式止回阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110388484A CN110388484A (zh) | 2019-10-29 |
CN110388484B true CN110388484B (zh) | 2020-09-08 |
Family
ID=68288768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910751306.3A Active CN110388484B (zh) | 2019-08-15 | 2019-08-15 | 一种旋启式止回阀 |
Country Status (1)
Country | Link |
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CN (1) | CN110388484B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112197055B (zh) * | 2020-10-17 | 2022-05-17 | 温州市维耐特阀门有限公司 | 一种止回阀摇杆检测调整装置 |
RU209913U1 (ru) * | 2021-12-07 | 2022-03-23 | Публичное акционерное общество "Татнефть" имени В.Д. Шашина | Регулирующее клапанно-штуцерное устройство |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5420274A (en) * | 1977-07-18 | 1979-02-15 | Ebara Corp | Fluidic pressure buffer |
CN85203748U (zh) * | 1985-09-11 | 1987-06-03 | 李锡环 | 液动缓闭止回阀 |
CN2083667U (zh) * | 1990-08-30 | 1991-08-28 | 王江 | 滑式缓闭止回阀 |
CN204201188U (zh) * | 2014-10-28 | 2015-03-11 | 志远科技有限公司 | 一种带阻尼装置的止回阀 |
CN206338489U (zh) * | 2016-12-29 | 2017-07-18 | 凯喜姆阀门有限公司 | 一种自动内置式缓闭止回阀 |
CN208123527U (zh) * | 2018-02-09 | 2018-11-20 | 郑州中特阀门有限公司 | 一种微阻缓闭消声止回阀 |
CN108953696A (zh) * | 2018-08-13 | 2018-12-07 | 李琼 | 一种缓闭旋启式止回阀 |
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2019
- 2019-08-15 CN CN201910751306.3A patent/CN110388484B/zh active Active
Also Published As
Publication number | Publication date |
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CN110388484A (zh) | 2019-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200806 Address after: 325000 998 North Street Park Road, Yongjia County, Wenzhou, Zhejiang Applicant after: FANGYUAN VALVE GROUP Co.,Ltd. Address before: Room 212, Building A5, R&D Park 587 Juxian Road, Ningbo High-tech Zone, Zhejiang Province Applicant before: Han Guohao |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Swing check valve Effective date of registration: 20221215 Granted publication date: 20200908 Pledgee: Agricultural Bank of China Limited Yongjia County sub branch Pledgor: FANGYUAN VALVE GROUP Co.,Ltd. Registration number: Y2022330003682 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |