CN102818056A - Fire-proof non-return valve for flue - Google Patents
Fire-proof non-return valve for flue Download PDFInfo
- Publication number
- CN102818056A CN102818056A CN2011101673645A CN201110167364A CN102818056A CN 102818056 A CN102818056 A CN 102818056A CN 2011101673645 A CN2011101673645 A CN 2011101673645A CN 201110167364 A CN201110167364 A CN 201110167364A CN 102818056 A CN102818056 A CN 102818056A
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- CN
- China
- Prior art keywords
- oil smoke
- baffle plate
- sealing cover
- flue
- valve chest
- 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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Abstract
The invention discloses a fire-proof non-return valve for a flue. The fire-proof non-return valve comprises a cylindrical valve shell, wherein an oil smoke channel is formed on the valve shell along the forward/backward horizontal direction; the middle part of the back end of the valve shell is provided with an oil smoke barrel along the forward/backward horizontal direction; the front end of the oil smoke barrel is connected with the back end of the valve shell; an annular baffle plate is arranged at the front end outlet of the oil smoke barrel; the outer edge of the baffle plate is fixed on the valve shell; the front surface of the baffle plate is matched with the edge of the back surface of a sealing cover; the lower part of the sealing cover is fixedly connected with the upper part of a connecting piece; the lower part of the connecting piece is connected with the bottom of the oil smoke barrel of the valve shell through a rotary pin shaft; the sealing cover is attached to the front end outlet of the oil smoke barrel through a spring return position; a fire-proof device is arranged on the valve shell; and the fire-proof device can be used for closing the oil smoke barrel or the oil smoke channel when high-temperature flue gas is met. The invention aims to provide a fire-proof non-return valve for a flue, which can be used for exhausting flue gas and flue oil out of a public flue smoothly and does not influence the smoothness of the public flue.
Description
Technical field
The present invention relates to a kind of flue and use anti-fire check valve.
Background technique
Existing flue is used check valve; In running order down at range hood, the sealing cover of check valve is in when opening under the air-flow effect that range hood is carried, because the project organization problem of sealing cover; The air-flow trend that flows out from the exhaust outlet of safety check all is to blow downwards; Perhaps to move towards flue vertical with air-flow, thus, if the range hood of each floor is worked simultaneously on the same flue; Because perhaps horizontal air-flow can have a strong impact on following flue gas upper reaches, can cause the oil smoke of lower floor in the flue to be difficult to upwards discharge thus downwards.
Summary of the invention
The object of the present invention is to provide the windage of a kind of smoke exhaust, tobacco tar little, can make public chimney meatus transmitting smoke gas, tobacco tar very smooth and easy, can not influence the unimpeded flue of public flue and use anti-fire check valve.
Flue of the present invention is used anti-fire check valve, comprises the valve chest of tubular, and substantially horizontal is provided with the oil smoke passage before and after the valve chest upper edge; Substantially horizontal is provided with the oil smoke tube along front and back at the middle part of valve chest rear end; The front end of oil smoke tube links to each other with the rear end of valve chest, and the front end exit place of oil smoke tube is provided with the baffle plate of annular, and the outward edge of baffle plate is fixed on the said valve chest; The edge on surface matches behind the front surface of baffle plate and the sealing cover; The bottom of sealing cover and the top of link are fixedly linked, and the bottom of link links to each other with the bottom of the oil smoke tube of said valve chest through the axle of shipping and reselling on another market, and sealing cover utilizes spring reverse motion to be close to the front end exit place of oil smoke tube; On the said valve chest refractory protection is installed, refractory protection can cut out said oil smoke tube or said oil smoke passage when running into high-temperature flue gas.
Flue of the present invention is used anti-fire check valve; Wherein said spring reverse motion comprises extension spring; The middle and upper part on surface links to each other behind the preceding lower end of extension spring and the sealing cover; The middle part on surface links to each other behind the preceding lower end of extension spring and the sealing cover, and the back upper end of extension spring links to each other with the extension spring fixing frame, and the extension spring fixing frame is fixed on the inwall of said oil smoke tube.
Flue of the present invention is used anti-fire check valve, and wherein said spring reverse motion comprises torsion spring, and torsion spring set is contained on the said axle of shipping and reselling on another market, and a torsion bar of torsion spring withstands on said sealing cover or the said link, and another torsion bar of torsion spring withstands on the said valve chest.
Flue of the present invention is used anti-fire check valve; The rear end of wherein said oil smoke passage is provided with the connection baffle plate of annular; The inward flange that connects baffle plate is fixed on the said valve chest, and the back surface of said baffle plate is provided with the fin of annular, and the outer side surface of fin matches with the inwall of said oil smoke tube.
Flue of the present invention is used anti-fire check valve; The seal washer sealing is adopted in gap between wherein said baffle plate and the said sealing cover; Seal washer is fixed on the said baffle plate or on the said sealing cover; The said axle of shipping and reselling on another market is positioned at the front end or the rear end of sealing cover, and said connection baffle plate and said valve chest adopt plastics or sheet metal to be made into integration, and the inboard that connects baffle plate is provided with the seal rubber pad of annular.
Flue of the present invention is used anti-fire check valve, and the front end exit place of its oil smoke tube is provided with the baffle plate of annular, and the outward edge of baffle plate is fixed on the said valve chest; The edge on surface matches behind the front surface of baffle plate and the sealing cover; The bottom of sealing cover and the top of link are fixedly linked, and the bottom of link links to each other with the bottom of the oil smoke tube of valve chest through the axle of shipping and reselling on another market, and sealing cover utilizes spring reverse motion to be close to the front end exit place of oil smoke tube; In use; When sealing cover check valve under the air-flow effect that range hood is carried is in when opening, the air-flow that flows out from the exhaust outlet of oil smoke passage can move upward under the guiding function of sealing cover, can reduce windage significantly thus; And can make public chimney meatus transmitting smoke gas, tobacco tar very smooth and easy, it is unimpeded can not influence public flue.
Flue of the present invention is with other details and the characteristics of anti-fire check valve, can just can be cheer and bright through reading the embodiment that hereinafter combines accompanying drawing to encyclopaedize.
Description of drawings
Fig. 1 is the plan view of flue of the present invention with the structural representation of a kind of mode of execution of anti-fire check valve;
Fig. 2 is the side cutaway view of Fig. 1;
Fig. 3 is the plan view of flue of the present invention with the structural representation of a kind of mode of execution of anti-fire check valve;
Fig. 4 is the side cutaway view of Fig. 3;
Fig. 5 is in the reference drawing of user mode with anti-fire check valve for the flue of Fig. 3.
Embodiment
As depicted in figs. 1 and 2, flue of the present invention is used anti-fire check valve, comprises the valve chest 1 of tubular; Substantially horizontal is provided with oil smoke passage 2 before and after valve chest 1 upper edge, and substantially horizontal is provided with oil smoke tube 3 along front and back at the middle part of valve chest 1 rear end, and the front end of oil smoke tube 3 links to each other with the rear end of valve chest 1; The front end exit place of oil smoke tube 3 is provided with the baffle plate 4 of annular; The outward edge of baffle plate 4 is fixed on the valve chest 1, and the front surface of baffle plate 4 matches with the edge on surface, sealing cover 5 back, and the top of the bottom of sealing cover 5 and link 6 is fixedly linked; The bottom of link 6 links to each other with the bottom of the oil smoke tube 3 of valve chest 1 through the axle 7 of shipping and reselling on another market; The axle 7 of shipping and reselling on another market can be the front end that is positioned at sealing cover 5, and the axle 7 of shipping and reselling on another market also can be the rear end that is positioned at sealing cover 5, and sealing cover 5 utilizes spring reverse motion to be close to the front end exit place of oil smoke tube 3; Refractory protection 14 is installed on the valve chest 1, and refractory protection 14 can cut out oil smoke tube 3 or oil smoke passage 2 when running into high-temperature flue gas.Spring reverse motion comprises torsion spring 10, and torsion spring 10 is sleeved on the axle 7 of shipping and reselling on another market, and a torsion bar of torsion spring 10 withstands on sealing cover 5 or the link 6, and another torsion bar of torsion spring 10 withstands on the valve chest 1.
Like Fig. 3 and shown in Figure 4; Flue of the present invention is used anti-fire check valve, also can be the valve chest 1 that comprises tubular, and substantially horizontal is provided with oil smoke passage 2 before and after valve chest 1 upper edge; Substantially horizontal is provided with oil smoke tube 3 along front and back at the middle part of valve chest 1 rear end; The front end of oil smoke tube 3 links to each other with the rear end of valve chest 1, and the front end exit place of oil smoke tube 3 is provided with the baffle plate 4 of annular, and the outward edge of baffle plate 4 is fixed on the valve chest 1; The front surface of baffle plate 4 matches with the edge on surface, sealing cover 5 back; The top of the bottom of sealing cover 5 and link 6 is fixedly linked, and the bottom of link 6 links to each other with the bottom of the oil smoke tube 3 of valve chest 1 through the axle 7 of shipping and reselling on another market, and sealing cover 5 utilizes spring reverse motion to be close to the front end exit place of oil smoke tube 3; Refractory protection 14 is installed on the valve chest 1, and refractory protection 14 can cut out oil smoke tube 3 or oil smoke passage 2 when running into high-temperature flue gas.Spring reverse motion comprises extension spring 8; The preceding lower end of extension spring 8 links to each other with the middle and upper part on surface, sealing cover 5 back; The preceding lower end of extension spring 8 links to each other with the middle part on surface, sealing cover 5 back, and the back upper end of extension spring 8 links to each other with extension spring fixing frame 9, and extension spring fixing frame 9 is fixed on the inwall of oil smoke tube 3.
The rear end of above-mentioned oil smoke passage 2 is provided with the connection baffle plate 11 of annular, and the inward flange that connects baffle plate 11 is fixed on the valve chest 1, and the back surface of baffle plate 4 is provided with the fin 13 of annular, and the outer side surface of fin 13 matches with the inwall of oil smoke tube 3.Seal washer 12 sealings are adopted in gap between baffle plate 4 and the sealing cover 5; Seal washer 12 is fixed on the baffle plate 4 or on the sealing cover 5; Connect baffle plate 11 and adopt plastics or sheet metal to be made into integration with valve chest 1, the inboard that connects baffle plate 11 is provided with the seal rubber pad 15 of annular.
As shown in Figure 5, flue of the present invention is used anti-fire check valve, and is in running order down at range hood, and sealing cover 5 overcomes the tension of extension spring 8 under the air-flow effect that range hood is carried, perhaps overcome the twisting force of torsion spring 10, pushes sealing cover 5 open.When sealing cover 5 be that the center is in and overturns when opening with the axle 7 of shipping and reselling on another market; The air-flow that flows out from the exhaust outlet of oil smoke passage 2 can move upward under the guiding function of sealing cover 5; Can reduce windage significantly thus, and can make public chimney meatus transmitting smoke gas, tobacco tar very smooth and easy, it is unimpeded can not influence public flue.After range hood quit work, sealing cover 5 will be closed the outlet port of oil smoke tube 3 front ends under the tension of extension spring 8, and perhaps sealing cover 5 is outlet ports of under the twisting force of torsion spring 10, closing oil smoke tube 3 front ends.
Embodiment recited above describes preferred implementation of the present invention; Be not that the scope of the invention is limited; Design under the spiritual prerequisite not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in related domain make technological scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (5)
1. flue is used anti-fire check valve; It is characterized in that comprising the valve chest (1) of tubular; Substantially horizontal is provided with oil smoke passage (2) before and after valve chest (1) upper edge, and substantially horizontal is provided with oil smoke tube (3) along front and back at the middle part of valve chest (1) rear end, and the front end of oil smoke tube (3) links to each other with the rear end of valve chest (1); The front end exit place of oil smoke tube (3) is provided with the baffle plate (4) of annular; The outward edge of baffle plate (4) is fixed on the said valve chest (1), and the front surface of baffle plate (4) matches with the edge on surface, sealing cover (5) back, and the top of the bottom of sealing cover (5) and link (6) is fixedly linked; The bottom of link (6) links to each other with the bottom of the oil smoke tube (3) of said valve chest (1) through the axle (7) of shipping and reselling on another market; Sealing cover (5) utilizes spring reverse motion to be close to the front end exit place of oil smoke tube (3), and refractory protection (14) is installed on the said valve chest (1), and refractory protection (14) can cut out said oil smoke tube (3) or said oil smoke passage (2) when running into high-temperature flue gas.
2. flue according to claim 1 is used anti-fire check valve; It is characterized in that said spring reverse motion comprises extension spring (8); The preceding lower end of extension spring (8) links to each other with the middle and upper part on surface, sealing cover (5) back; The preceding lower end of extension spring (8) links to each other with the middle part on surface, sealing cover (5) back, and the back upper end of extension spring (8) links to each other with extension spring fixing frame (9), and extension spring fixing frame (9) is fixed on the inwall of said oil smoke tube (3).
3. flue according to claim 1 is used anti-fire check valve; It is characterized in that said spring reverse motion comprises torsion spring (10); Torsion spring (10) is sleeved on the said axle (7) of shipping and reselling on another market; A torsion bar of torsion spring (10) withstands on said sealing cover (5) or the said link (6), and another torsion bar of torsion spring (10) withstands on the said valve chest (1).
4. use anti-fire check valve according to claim 1 or 2 or 3 described flues; It is characterized in that the front end of said oil smoke passage (2) is provided with the connection baffle plate (11) of annular; The inward flange that connects baffle plate (11) is fixed on the said valve chest (1); The back surface of said baffle plate (4) is provided with the fin (13) of annular, and the outer side surface of fin (13) matches with the inwall of said oil smoke tube (3).
5. flue according to claim 4 is used anti-fire check valve; It is characterized in that gap employing seal washer (12) sealing between said baffle plate (4) and the said sealing cover (5); Seal washer (12) be fixed on that said baffle plate (4) is gone up or said sealing cover (5) on; The said axle (7) of shipping and reselling on another market is positioned at the front end or the rear end of sealing cover (5), and said connection baffle plate (11) adopts plastics or sheet metal to be made into integration with said valve chest (1), and the inboard that connects baffle plate (11) is provided with the seal rubber pad (15) of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110167364.5A CN102818056B (en) | 2011-06-12 | 2011-06-12 | Fire-proof non-return valve for flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110167364.5A CN102818056B (en) | 2011-06-12 | 2011-06-12 | Fire-proof non-return valve for flue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818056A true CN102818056A (en) | 2012-12-12 |
| CN102818056B CN102818056B (en) | 2015-06-17 |
Family
ID=47302372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110167364.5A Active CN102818056B (en) | 2011-06-12 | 2011-06-12 | Fire-proof non-return valve for flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102818056B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240582A (en) * | 2015-10-16 | 2016-01-13 | 宁波方太厨具有限公司 | Flue fire damper for range hood |
| CN116726616A (en) * | 2023-06-06 | 2023-09-12 | 山东禹城金晟生物净化有限公司 | High-temperature waste heat recycling device of gas boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457294A (en) * | 1981-07-06 | 1984-07-03 | Cumpston Edward H | Inlet air control for stove or furnace |
| CN2310215Y (en) * | 1997-08-08 | 1999-03-10 | 王军 | Check valve for kitchen fume exhausting flue duct |
| CN201507976U (en) * | 2009-08-06 | 2010-06-16 | 夏志生 | Head wind prevent device for range hood |
| CN201764028U (en) * | 2010-08-27 | 2011-03-16 | 郭海兵 | Main body structure of flue check valve switch |
| CN202149256U (en) * | 2011-06-12 | 2012-02-22 | 解焕强 | Fireproof check valve for flue |
-
2011
- 2011-06-12 CN CN201110167364.5A patent/CN102818056B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457294A (en) * | 1981-07-06 | 1984-07-03 | Cumpston Edward H | Inlet air control for stove or furnace |
| CN2310215Y (en) * | 1997-08-08 | 1999-03-10 | 王军 | Check valve for kitchen fume exhausting flue duct |
| CN201507976U (en) * | 2009-08-06 | 2010-06-16 | 夏志生 | Head wind prevent device for range hood |
| CN201764028U (en) * | 2010-08-27 | 2011-03-16 | 郭海兵 | Main body structure of flue check valve switch |
| CN202149256U (en) * | 2011-06-12 | 2012-02-22 | 解焕强 | Fireproof check valve for flue |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240582A (en) * | 2015-10-16 | 2016-01-13 | 宁波方太厨具有限公司 | Flue fire damper for range hood |
| CN116726616A (en) * | 2023-06-06 | 2023-09-12 | 山东禹城金晟生物净化有限公司 | High-temperature waste heat recycling device of gas boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818056B (en) | 2015-06-17 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: 266199 No. 618 C 24 Huishui Road, Licang District, Qingdao City, Shandong Province Patentee after: Liu Congyi Address before: 265713 Shandong province Longkou City Xu Fu Feng Gao Qian Cun emerging plastic factory Patentee before: Xie Huanqiang |