CN102620021A - Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume - Google Patents
Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume Download PDFInfo
- Publication number
- CN102620021A CN102620021A CN2012100812471A CN201210081247A CN102620021A CN 102620021 A CN102620021 A CN 102620021A CN 2012100812471 A CN2012100812471 A CN 2012100812471A CN 201210081247 A CN201210081247 A CN 201210081247A CN 102620021 A CN102620021 A CN 102620021A
- Authority
- CN
- China
- Prior art keywords
- oil fume
- flap
- valve
- check valve
- 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.)
- Granted
Links
Images
Landscapes
- Air-Flow Control Members (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201210081247 CN102620021B (en) | 2012-03-26 | 2012-03-26 | Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201210081247 CN102620021B (en) | 2012-03-26 | 2012-03-26 | Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102620021A true CN102620021A (en) | 2012-08-01 |
CN102620021B CN102620021B (en) | 2013-09-25 |
Family
ID=46560138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201210081247 Expired - Fee Related CN102620021B (en) | 2012-03-26 | 2012-03-26 | Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102620021B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103836236A (en) * | 2014-03-30 | 2014-06-04 | 张志雄 | Welding head zinc alloy six-leaf connecting rib deformed flow way horizontal valve |
CN103836233A (en) * | 2014-03-30 | 2014-06-04 | 张志雄 | Horizontal flange connector copper alloy valve with four-vane connection rib and deformation runner |
CN103883764A (en) * | 2014-03-11 | 2014-06-25 | 江苏建环工程技术研究院有限公司 | Fireproof check valve of automatic falling valve plate |
CN103836235B (en) * | 2014-03-30 | 2016-03-23 | 温州志杰机电科技有限公司 | A kind of thimble connector titanium alloy five leaf connects muscle horizontal single-headed valve |
CN110836286A (en) * | 2018-08-19 | 2020-02-25 | 杭州小米环境科技有限公司 | Fusing mechanism and fireproof check valve |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103629718B (en) * | 2013-12-12 | 2016-02-17 | 李永彬 | Common flue regulates air quantity cooking fume remover automatically |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562853A (en) * | 1980-02-25 | 1986-01-07 | Smith International, Inc. | Downhole fire control |
CN2881252Y (en) * | 2005-10-08 | 2007-03-21 | 丰玉 | Fire-proof check valre of exhaust pipe |
CN101095973A (en) * | 2007-06-15 | 2008-01-02 | 李永彬 | Fire-preventing check valve |
CN201558429U (en) * | 2009-12-08 | 2010-08-25 | 上海同汇混凝土制品有限公司 | Side open type fireproofing check valve |
CN201875235U (en) * | 2010-06-07 | 2011-06-22 | 钟汉华 | Single-valve-plate double-action non-return fire-resistant valve |
CN202545932U (en) * | 2012-03-26 | 2012-11-21 | 李永彬 | Oil fume discharge fireproofing check valve with function of automatic air discharge quantity adjustment |
-
2012
- 2012-03-26 CN CN 201210081247 patent/CN102620021B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562853A (en) * | 1980-02-25 | 1986-01-07 | Smith International, Inc. | Downhole fire control |
CN2881252Y (en) * | 2005-10-08 | 2007-03-21 | 丰玉 | Fire-proof check valre of exhaust pipe |
CN101095973A (en) * | 2007-06-15 | 2008-01-02 | 李永彬 | Fire-preventing check valve |
CN201558429U (en) * | 2009-12-08 | 2010-08-25 | 上海同汇混凝土制品有限公司 | Side open type fireproofing check valve |
CN201875235U (en) * | 2010-06-07 | 2011-06-22 | 钟汉华 | Single-valve-plate double-action non-return fire-resistant valve |
CN202545932U (en) * | 2012-03-26 | 2012-11-21 | 李永彬 | Oil fume discharge fireproofing check valve with function of automatic air discharge quantity adjustment |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103883764A (en) * | 2014-03-11 | 2014-06-25 | 江苏建环工程技术研究院有限公司 | Fireproof check valve of automatic falling valve plate |
CN103836236A (en) * | 2014-03-30 | 2014-06-04 | 张志雄 | Welding head zinc alloy six-leaf connecting rib deformed flow way horizontal valve |
CN103836233A (en) * | 2014-03-30 | 2014-06-04 | 张志雄 | Horizontal flange connector copper alloy valve with four-vane connection rib and deformation runner |
CN103836236B (en) * | 2014-03-30 | 2016-03-16 | 温州志杰机电科技有限公司 | A kind of soldered splice zinc alloy six leaf connects muscle bend flow channel horizontal valve |
CN103836235B (en) * | 2014-03-30 | 2016-03-23 | 温州志杰机电科技有限公司 | A kind of thimble connector titanium alloy five leaf connects muscle horizontal single-headed valve |
CN103836233B (en) * | 2014-03-30 | 2016-03-23 | 温州志杰机电科技有限公司 | A kind of flange head Cuprum alloy four leaf connects muscle bend flow channel horizontal valve |
CN110836286A (en) * | 2018-08-19 | 2020-02-25 | 杭州小米环境科技有限公司 | Fusing mechanism and fireproof check valve |
Also Published As
Publication number | Publication date |
---|---|
CN102620021B (en) | 2013-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102620021B (en) | Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume | |
EP2606796A3 (en) | Dust collector for cleaning a filter | |
CN204213995U (en) | A kind of cigarette machine of automatic open-close smoke barrier | |
CN103405186B (en) | Slow descending and damping device and slow descending and damping method for toilet | |
CN202545932U (en) | Oil fume discharge fireproofing check valve with function of automatic air discharge quantity adjustment | |
CN106705172A (en) | Hundred blade linkage opening and closing mechanism of range hood | |
CN203296638U (en) | Smoke separating fire door | |
CN103584719B (en) | A kind of frying pan with air curtain function | |
CN204826124U (en) | Energy -concerving and environment -protective closestool | |
CN102252395A (en) | Workshop ventilating device | |
CN205639669U (en) | Flue electrical control valve | |
CN204438283U (en) | Integrated kitchen range range hood | |
CN206912793U (en) | Air draft equipment is inhaled in a kind of automatic immediate | |
CN203416694U (en) | Portable pollinator | |
CN101701638A (en) | Fireproof check valve | |
CN201028018Y (en) | Knife plate type material discharging sluice valve | |
CN203347647U (en) | Improved sliding window used in kitchen | |
CN205504091U (en) | Exhaust passage import water conservancy diversion non return device | |
CN202913126U (en) | Three-way air door device of cleaning machine | |
CN209893482U (en) | Front-back primary-secondary double-smoke-suction-cavity range hood | |
CN202598794U (en) | Cabinet air conditioner with auxiliary air outlet | |
CN203203071U (en) | Multipurpose gas stove valve body | |
CN211145469U (en) | Single-blade separation blade air outlet capable of automatically returning | |
CN202501021U (en) | Wedge-shaped adjusting butterfly valve rod | |
CN205372945U (en) | Novel instrument board central authorities air outlet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120801 Assignee: Jiangsu Province Ziwei Building Technology Institute Co., Ltd. Assignor: Li Yongbin Contract record no.: 2013340000145 Denomination of invention: Fire-proof check valve for discharging oil fume and capable of automatically adjusting air exhaust volume Granted publication date: 20130925 License type: Exclusive License Record date: 20131021 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170326 |