CN109751437A - A kind of fireproof check valve for flue with double valve sheet - Google Patents
A kind of fireproof check valve for flue with double valve sheet Download PDFInfo
- Publication number
- CN109751437A CN109751437A CN201711086467.2A CN201711086467A CN109751437A CN 109751437 A CN109751437 A CN 109751437A CN 201711086467 A CN201711086467 A CN 201711086467A CN 109751437 A CN109751437 A CN 109751437A
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- China
- Prior art keywords
- valve
- valve block
- button bar
- block
- flue
- 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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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010304 firing Methods 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 19
- 239000007789 gas Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of fireproof check valve for flue with double valve sheet, including pedestal, valve body, outer cover, first valve block and the second valve block, first valve block is mounted on the first valve shaft, second valve block is mounted on the second valve shaft, the end of first valve shaft and the second valve shaft is separately installed with intermeshing first gear and second gear, temperature control chip is additionally provided with inside cover, first button bar, second button bar and elastic component, under normal operating condition, first button bar and the limit of the second button bar are detached from the first valve block and the second valve block in temperature control chip, under flue firing condition, first button bar and the second button bar are detached from temperature control chip and close the first valve block and the second valve block respectively under the action of the elastic member.The check-valves is by installing the first gear and second gear that mutually engage in the end of the first valve shaft and the second valve shaft, the first valve block and the second valve block is set to open simultaneously and close, and it can be forcibly closed under the action of button bar and elastic component, and then effectively separate kitchen ventilator smoke pipe and common flue.
Description
Technical field
The present invention relates to a kind of fire resisting dampers, more particularly, to a kind of fireproof check valve for flue with double valve sheet.
Background technique
In the kitchen using longitudinal public gas flue, the oil smoke in gas flue is blowed back into kitchen in order to prevent, is taking out
The device as check valve for flue is both provided between the outlet mouth of pipe of kitchen ventilator and public gas flue.Existing flue is non-return
Valve generally comprises the oil smoke channel being made of shell, which has opposite air inlet and air outlet, connects on air inlet
The outlet mouth of pipe of smoke exhaust ventilator is connect, air outlet is extend into public gas flue, is provided at the air outlet of oil smoke channel able to turn on or off
Valve block, valve block is rotatably installed on the inner wall in oil smoke channel by horizontally disposed valve block shaft.When not using kitchen ventilator,
Since self gravity is in the closed position, valve block is covered in outlet air oral area valve block；When using kitchen ventilator, valve block is in open position
It sets, valve block is far from air outlet.Due to the public public gas flue in a longitudinal direction of more users, once fire occurs for single household, greatly
The high-temperature harmful gas of amount pours in longitudinal public gas flue, at this time if closing the valve block in check valve for flue not in time, this
A little a large amount of high-temperature harmful gas can be entered by the oil smoke channel of check valve for flue to be used in the user family of kitchen ventilator, from
And threaten the life security of resident.
The various fire-preventing check valves with double valve sheet, such as Patent No. are had been disclosed in the prior art
" a kind of flue is non-return disclosed in the Chinese invention patent of 200910017260.9 (Authorization Notice No. is CN 101608702B)
Fire resisting damper ", which includes the oil smoke channel being made of shell, and oil smoke channel has opposite air inlet and goes out
Air port is provided with valve block in oil smoke channel, and valve block is the two panels being oppositely arranged, and valve block is spindle rotationally arranged in by valve block shaft
In oil smoke channel, the resistance that open two panels valve block can only to direction of air outlet is provided with close to air inlet one end in oil smoke channel
Block body, is equipped with close to air inlet side in oil smoke channel air inlet being divided into two-part longitudinally disposed connection strap, and valve block turns
For axis close to the connection strap, connection strap closes dress towards being provided with the high temperature that valve block can be made to forcibly close on the side of air outlet
It sets.For another example application No. is the Chinese invention patent application institutes of 201510205944.7 (application publication number is CN 104819324A)
Disclosed " a kind of kitchen ventilator fire resisting damper ", the fire resisting damper also have there are two valve block, install in the installation axle of oil smoke channel interior
There are the first torsional spring and the second torsional spring, the first torsional spring acts on rotation valve block always and air inlet is made to have the trend approached to turn off,
Second torsional spring only just acts on rotation valve block in the case where temperature control chip fuses and approaches to turn off air inlet.Above-mentioned double valve sheet
Check (non-return) valve at work, cannot ensure two valve block synchronous on-offs.In conclusion needing the fire-preventing check valve to existing double valve sheet
Structure is further improved.
Summary of the invention
The technical problem to be solved by the present invention is to for above-mentioned state of the art and can be ensured by providing one kind by two
Valve block is capable of the fireproof check valve for flue with double valve sheet of synchronous on-off.
The technical scheme of the invention to solve the technical problem is: this has the flue fire prevention non-return of double valve sheet
Valve, including pedestal, valve body, outer cover, the first valve block and the second valve block, the outer cover are mounted on the base, and the valve body is mounted on
Inside outer cover, the first valve block and the second valve block are set to inside outer cover and can rotate relative to valve body, it is characterised in that: first valve
Piece is mounted on the first valve shaft, and second valve block is mounted on the second valve shaft, first valve shaft and the second valve block
The end of axis is separately installed with intermeshing first gear and second gear, and temperature control chip, are additionally provided with inside the cover
One button bar, the second button bar and elastic component, under check-valves normal operating condition, first button bar and the limit of the second button bar are in institute
First valve block and the second valve block are detached from the temperature control chip stated, under flue firing condition, first button bar and the
Two button bars are detached from temperature control chip and close first valve block and the second valve block respectively under the action of the elastic component.
Elastic component can have a variety of structures, it is preferable that and the elastic component includes the first tension spring and the second tension spring, and described the
The first end of one button bar is rotatably connected on the valve body, the second end of the first button bar limit in the temperature control chip and with it is described
The free end of first tension spring is connected, and the first end of second button bar is rotatably connected on the valve body, and the of the second button bar
The limit of two ends is connected in the temperature control chip and with the free end of second tension spring.
Further preferably, the first guiding trestle and the second guiding trestle are installed on the valve body, led described first
It is provided with the first guide groove being oriented to for the movement to the first button bar on bracket, is provided on second guiding trestle
The second guide groove being oriented to for the movement to the second button bar.
Guiding trestle can be with a variety of specific structures, it is preferable that first guiding trestle is arc-shaped and is set to described first
The outside on valve block periphery, second guiding trestle is arc-shaped and is set to the outside on second valve block periphery.
Preferably, temperature control plate rack is installed on the valve body, the temperature control chip is mounted on the temperature control plate rack
On.
In order to enable the first valve shaft and the second valve shaft reliably to limit, respectively it is equipped in the two sides up and down of the valve body
The both ends of valve block bracing strut, first valve shaft and the second valve shaft are separately mounted on the valve block bracing strut of respective side.
In order to solve the sealing problem of bivalve chip architecture, it is equipped on first valve block and the second valve block for
The diaphragm seal that gap between one valve block and the second valve block is sealed.
Further preferably, the diaphragm seal is mounted on the medial surface of the first valve block and the second valve block.
In order to be fully opened, first valve the reason of making the first valve block and the second valve block will not be because of gravity
Bobbin and the second valve shaft are parallel to each other and vertically arranged, accordingly, first valve block and the second valve block laterally open and
It closes.
The maximum opening angle of further preferred first valve block and the second valve block is 90 °.
Compared with the prior art, the advantages of the present invention are as follows: this has the fireproof check valve for flue of double valve sheet in the first valve
The end of bobbin and the second valve shaft is separately installed with intermeshing first gear and second gear, in check-valves normal use
Under state, the first button bar and the limit of the second button bar are detached from the first valve block and the second valve block in temperature control chip, in flue shape on fire
Under state, the first button bar and the second button bar are detached from temperature control chip and close the first valve block and the second valve respectively under the action of the elastic member
Piece, the first valve block and the second valve block can be opened simultaneously and be closed, and synchronism is good, and can be strong under the action of button bar and elastic component
System is closed, and then effectively separates kitchen ventilator smoke pipe and common flue, prevents smoke pipe on fire.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention when normal operating condition lower disc is closed；
Fig. 2 is the structural schematic diagram of another angle of Fig. 1；
Fig. 3 is to remove the structural schematic diagram after pedestal and outer cover in Fig. 1；
Fig. 4 is the structural schematic diagram of another angle of Fig. 3；
Fig. 5 is structural schematic diagram of the embodiment of the present invention when normal operating condition lower disc is opened；
Fig. 6 is structural schematic diagram of the embodiment of the present invention under valve block positive closing state.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 6, the fireproof check valve for flue with double valve sheet in the present embodiment include pedestal 1, valve body 2,
Outer cover 3, the first valve block 41, the second valve block 42, the first valve shaft 51, the second valve shaft 52, first gear 61, second gear 62,
First button bar 71, the second button bar 72, the first tension spring 81, the second tension spring 82, the first guiding trestle 91, the second guiding trestle 92, temperature
The components such as control wafer bracket 10, temperature control chip 11, valve block bracing strut 12 and diaphragm seal 13.
Wherein, outer cover 3 is mounted on pedestal 1, and valve body 2 is mounted on inside outer cover 3.First valve block 41 is mounted on the first valve block
On axis 51, the second valve block 42 is mounted on the second valve shaft 52, and the end of the first valve shaft 51 and the second valve shaft 52 is pacified respectively
Equipped with intermeshing first gear 61 and second gear 62, thus assure that the first valve block 41 can be synchronous with the second valve block 42
Folding.One valve block bracing strut 12 is respectively installed in the two sides up and down of valve body 2, the two of the first valve shaft 51 and the second valve shaft 52
End is separately mounted on the valve block bracing strut 12 of respective side.
In the present embodiment, the first valve shaft 51 and the second valve shaft 52 are parallel to each other and vertically arranged, in this way, the first valve block
41 and 42 side of the second valve block can achieve to opening and closing, and the maximum opening angle of the first valve block 41 and the second valve block 42
90 °, to be conducive to improve smoke discharging effect.
Temperature control plate rack 10 is mounted on the valve body bracing strut 12 of upside, and temperature control chip 11 is mounted on temperature control plate rack 10.
In the present embodiment, temperature control chip 11 can also use using flexible bimetal leaf when certain temperature is reached and reach certain
The fuse link that can be fused when temperature.
The first end of first button bar 71 is rotatably connected on valve body 2, and the second end of the first button bar 71 is limited in temperature control chip 11
Above and with the free end of the first tension spring 81 it is connected, the fixing end of the first tension spring 81 is connected on valve body 2；The of second button bar 72
One end is rotatably connected on valve body 2, and the second end of the second button bar 72 limits the freedom in temperature control chip 11 and with the second tension spring 82
End is connected, and the fixing end of the second tension spring 82 is connected on valve body 2.
First guiding trestle 91 and the second guiding trestle 92 are mounted on valve body 2, and the first guiding trestle 91 is arc-shaped and sets
In the outside on 41 periphery of the first valve block, the second guiding trestle 92 is arc-shaped and is set to the outside on 42 periphery of the second valve block.First
The first guide groove 911 being oriented to for the movement to the first button bar 71 is provided on guiding trestle 91, in the second guiding trestle
The second guide groove 921 being oriented to for the movement to the second button bar 72 is provided on 92.
In addition, in order to solve the sealing problem in the gap between the first valve block 41 and the second valve block 42, in the present embodiment,
Diaphragm seal 13, the first valve block 41 and the second valve block 42 are installed towards user on the medial surface of first valve block 41 and the second valve block 42
The side of smoke pipe side is medial surface, and the diaphragm seal 13 of the present embodiment uses silica gel sealing piece, it is ensured that under valve block closed state, cigarette
Flue gas in road will not enter inside the smoke pipe of user side.
The course of work of the anti-fire check valve is as follows:
Under check-valves normal operating condition, the first button bar 71 mutually closes up with the second button bar 72 respectively close to the first valve shaft
51 and second valve shaft 52, and the first button bar 71 and the second button bar 72 are parallel to each other, the first button bar 71 and the limit of the second button bar 72
The first valve block 41 and the second valve block 42 are detached from temperature control chip 11.Under flue firing condition, the first button bar 71 and the second button
After bar 72 is detached from temperature control chip 11, the first button bar 71 is moved down under the action of the first tension spring 81 along the first guide groove 911, from
And the first valve block 41 is closed, meanwhile, the second button bar 72 is under the action of the second tension spring 82 along the second guide groove 921 to moving down
It is dynamic, to close the second valve block 42.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of not departing from the principle of the present invention, a variety of remodeling or improvement can be carried out to the present invention, these are regarded as the present invention
Protection scope within.
Claims (10)
1. a kind of fireproof check valve for flue with double valve sheet, including pedestal (1), valve body (2), outer cover (3), the first valve block (41)
With the second valve block (42), the outer cover (3) is mounted on pedestal (1), and the valve body (2) is mounted on outer cover (3) inside, the first valve
Piece (41) and the second valve block (42) are set to outer cover (3) internal simultaneously energy and rotate relative to valve body (2), it is characterised in that: first valve
Piece (41) is mounted on the first valve shaft (51), and second valve block (42) is mounted on the second valve shaft (52), and described first
The end of valve shaft (51) and the second valve shaft (52) is separately installed with intermeshing first gear (61) and second gear
(62), it is additionally provided with temperature control chip (11), the first button bar (71), the second button bar (72) and elastic component inside the cover (3), only
It returns under valve normal operating condition, first button bar (71) and the second button bar (72) limit take off in the temperature control chip (11)
From first valve block (41) and the second valve block (42), under flue firing condition, first button bar (71) and the second button
Bar (72) is detached from temperature control chip (11) and closes first valve block (41) and the second valve block respectively under the action of the elastic component
(42)。
2. the fireproof check valve for flue according to claim 1 with double valve sheet, it is characterised in that: the elastic component packet
The first tension spring (81) and the second tension spring (82) are included, the first end of first button bar (71) is rotatably connected on the valve body (2),
The second end of first button bar (71) limits on the temperature control chip (11) and is connected with the free end of first tension spring (81),
The first end of second button bar (72) is rotatably connected on the valve body (2), and the second end of the second button bar (72) is limited in institute
It states on temperature control chip (11) and is connected with the free end of second tension spring (82).
3. the fireproof check valve for flue according to claim 2 with double valve sheet, it is characterised in that: in the valve body (2)
On the first guiding trestle (91) and the second guiding trestle (92) are installed, be provided on first guiding trestle (91) for right
The first guide groove (911) that the movement of first button bar (71) is oriented to, be provided on second guiding trestle (92) for
The second guide groove (921) that the movement of second button bar (72) is oriented to.
4. the fireproof check valve for flue according to claim 3 with double valve sheet, it is characterised in that: the first guiding branch
Frame (91) is arc-shaped and is set to the outside on the first valve block (41) periphery, and second guiding trestle (92) is arc-shaped and is set to
The outside on the second valve block (42) periphery.
5. the fireproof check valve for flue according to claim 1 with double valve sheet, it is characterised in that: in the valve body (2)
On be equipped with temperature control plate rack (10), the temperature control chip (11) is mounted on the temperature control plate rack (10).
6. the fireproof check valve for flue according to claim 1 with double valve sheet, it is characterised in that: in the valve body (2)
Two sides up and down be respectively equipped with valve block bracing strut (12), the both ends of first valve shaft (51) and the second valve shaft (52) difference
It is mounted on the valve block bracing strut (12) of respective side.
7. the fireproof check valve for flue according to claim 1 with double valve sheet, it is characterised in that: in first valve block
(41) and on the second valve block (42) diaphragm seal for being sealed to the gap between the first valve block and the second valve block is installed
(13)。
8. the fireproof check valve for flue according to claim 7 with double valve sheet, it is characterised in that: the diaphragm seal (13)
It is mounted on the medial surface of the first valve block (41) and the second valve block (42).
9. according to claim 1 to the fireproof check valve for flue described in any claim in 8 with double valve sheet, feature exists
It is parallel to each other and vertically arranged in: first valve shaft (51) and the second valve shaft (52), accordingly, first valve
Piece (41) and the second valve block (42) laterally open and close.
10. the fireproof check valve for flue according to claim 9 with double valve sheet, it is characterised in that: first valve block
(41) and the maximum opening angle of the second valve block (42) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086467.2A CN109751437B (en) | 2017-11-07 | 2017-11-07 | Flue fireproof check valve with double valve plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711086467.2A CN109751437B (en) | 2017-11-07 | 2017-11-07 | Flue fireproof check valve with double valve plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109751437A true CN109751437A (en) | 2019-05-14 |
| CN109751437B CN109751437B (en) | 2024-01-16 |
Family
ID=66400695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711086467.2A Active CN109751437B (en) | 2017-11-07 | 2017-11-07 | Flue fireproof check valve with double valve plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751437B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140685A (en) * | 2020-01-06 | 2020-05-12 | 柏瑞润兴（北京）科技发展有限公司 | Smoke-discharging fire-proof valve |
| CN112901830A (en) * | 2021-01-09 | 2021-06-04 | 丁宇 | Fireproof flue check valve |
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411056A (en) * | 1993-12-09 | 1995-05-02 | 432583 B.C. Ltd. | Pressure relief valve |
| CN101608702A (en) * | 2009-07-23 | 2009-12-23 | 韩文强 | A kind of check fire valve for flue |
| CN201382187Y (en) * | 2009-04-27 | 2010-01-13 | 张晓强 | Fireproof check valve for exhaust duct of building |
| CN201487318U (en) * | 2009-08-25 | 2010-05-26 | 张云海 | Flute check valve |
| CN201531656U (en) * | 2009-11-05 | 2010-07-21 | 王孝亮 | Spring type fireproof check valve |
| CN207584092U (en) * | 2017-11-07 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of fireproof check valve for flue with double valve sheet |
-
2017
- 2017-11-07 CN CN201711086467.2A patent/CN109751437B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411056A (en) * | 1993-12-09 | 1995-05-02 | 432583 B.C. Ltd. | Pressure relief valve |
| CN201382187Y (en) * | 2009-04-27 | 2010-01-13 | 张晓强 | Fireproof check valve for exhaust duct of building |
| CN101608702A (en) * | 2009-07-23 | 2009-12-23 | 韩文强 | A kind of check fire valve for flue |
| CN201487318U (en) * | 2009-08-25 | 2010-05-26 | 张云海 | Flute check valve |
| CN201531656U (en) * | 2009-11-05 | 2010-07-21 | 王孝亮 | Spring type fireproof check valve |
| CN207584092U (en) * | 2017-11-07 | 2018-07-06 | 宁波方太厨具有限公司 | A kind of fireproof check valve for flue with double valve sheet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140685A (en) * | 2020-01-06 | 2020-05-12 | 柏瑞润兴（北京）科技发展有限公司 | Smoke-discharging fire-proof valve |
| CN111140685B (en) * | 2020-01-06 | 2022-05-06 | 柏瑞润兴（北京）科技发展有限公司 | Smoke-discharging fire-proof valve |
| CN112901830A (en) * | 2021-01-09 | 2021-06-04 | 丁宇 | Fireproof flue check valve |
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109751437B (en) | 2024-01-16 |
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