CN101016955A - Smoke flue check valve - Google Patents
Smoke flue check valve Download PDFInfo
- Publication number
- CN101016955A CN101016955A CN 200710019574 CN200710019574A CN101016955A CN 101016955 A CN101016955 A CN 101016955A CN 200710019574 CN200710019574 CN 200710019574 CN 200710019574 A CN200710019574 A CN 200710019574A CN 101016955 A CN101016955 A CN 101016955A
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- valve block
- sheet
- joint
- valve
- tension sheet
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Abstract
The invention relates to a smoke channel stop valve, comprising a frame and a smoke channel in the frame, wherein two ends of the smoke channel are provided with an air inlet and an air outlet, the opening of the air outlet is disposed with a valve rotationally arranged on the frame via a valve axle. The valve has two working positions, as close position and open position, and when the valve is in open position, part valve is far away the outlet and the air outlet is at least partly exposed, and when the valve is at close position, the valve covers the opening of the air outlet, the smoke stop valve is also disposed with a high-temperature safety device, when the temperature of a longitudinal channel reaches preset alarm temperature, the safety device will hold the valve at close position, to avoid harmful high temperature smoke refluxed into family.
Description
Technical field
The present invention relates to the check valve for flue that a kind of kitchen kind is used.
Background technique
In the prior art, oil smoke in the kitchen is arranged in the vertical passage that ends in the building by kitchen ventilator, because modern building all is many father-in-law with a vertical passage, in order to prevent that the oil smoke in the vertical passage from blowing back in the kitchen, all be provided with this sampling device of picture check valve for flue between the kitchen ventilator of every family and the vertical passage; Most in the market check valve for flue is all by forming as lower member: shell, be arranged on the oil smoke passage in the described shell, the two end part of described oil smoke passage have intake grill and exhaust outlet, outer port part place at exhaust outlet is provided with valve block rotationally, when people use kitchen ventilator, valve block is shown in an open position, valve block is away from exhaust outlet, exhaust outlet is opened, the oil smoke passage is connected with vertical passage in the building, and when not using kitchen ventilator, valve block is in the closed position, valve block covers the oral area at exhaust outlet, and the oil smoke passage is not communicated with vertical passage in the building.Because the public vertical passage of how tame user, like this in case a tame breaking out of fire, harmful gases such as a large amount of high temperature carbon monoxide, carbon dioxide pour in the vertical passage, if at this moment untimely valve block of closing in the check valve for flue, these flow velocity pieces, concentration height, the gas that temperature is high will blow back into the man of resident family that uses kitchen ventilator from the oil smoke passage in the check valve for flue, are that property safety threatens thereby give user's life.
Summary of the invention
The purpose of this invention is to provide a kind of check valve for flue with high temperature safty device, can the self acting stop valve sheet under this check valve for flue state of emergency that temperature is very high in vertical passage.
The present invention can be implemented by the following technical programs: a kind of check valve for flue, comprise shell, be positioned at the oil smoke passage of described shell, the two end part of described oil smoke passage have intake grill and exhaust outlet respectively, the oral area of described exhaust outlet is provided with valve block, described valve block is arranged on the described shell by the valve block rotating shaft is rotating, described valve block has two working positions, be closed position and open position, when described valve block is shown in an open position, described part valve block is away from described air-out, and described exhaust outlet has at least part to expose; When described valve block was in the closed position, described valve block covered the oral area at described exhaust outlet; Also be provided with the high temperature safty device on the described check valve for flue, described high temperature safty device comprise torsion spring, the tension sheet, the hot melt sheet that under setting temperature, can melt, described shell is provided with first joint, described torsion spring set is located in the described valve block rotating shaft, described tension sheet, the hot melt sheet, first joint laminates the back and is fixed together by fixing bolt, one end of described torsion spring is provided with regularly with respect to described first joint, the other end clasp joint is on described tension sheet, and the other end of described torsion spring has the trend that breaks away from the tension sheet; When described hot melt sheet is melted under setting temperature, form the gap between the described tension sheet and first joint, the other end of described torsion spring breaks away from described tension sheet and promotes described valve block and enters and be maintained in its closed position.
Be arranged with two torsion springs that Hand of spiral is opposite in the described valve block rotating shaft, one end of described two torsion springs pushes against respectively on first joint, after being connected, the other end of described two torsion springs forms hitch, this hitch clasp joint is on described tension sheet, when described hot melt sheet is melted under setting temperature, described hitch breaks away from described tension sheet and pushes against on valve block, makes described valve block enter and be maintained in its closed position from open position.
The end of described tension sheet has the clasp joint inclined-plane, the passing described hitch to the small part end and make hitch hook on the clasp joint inclined-plane of described tension sheet.
Described hot melt sheet, tension sheet, first joint laminate the back successively and are fixed together by a fixing bolt.
Compared with the prior art the present invention has following advantage: by the high temperature safty device are set, make check valve for flue can be in the building breaking out of fire of a certain user family in emergency circumstances, check valve for flue can automatic-closing valve, thereby the high temperature poison gas in the prevention flue pours in down a chimney the user family that is using kitchen ventilator into other, thereby has guaranteed user's the security of the lives and property; The high temperature safty device comprise a torsion spring, the tension sheet, the hot melt sheet, when the temperature in the vertical passage does not reach setting temperature, the hot melt sheet is in solid-state, the tension sheet is tight with an end hook of torsion spring, thereby make the other end of torsion spring have the trend that breaks away from the tension sheet, when the temperature in the vertical passage reaches the warning temperature of setting, the fusing of hot melt sheet, at this moment strain between the sheet and first joint and form the gap, the tension sector-meeting is loosening, tension will come off from the tension sheet at an end of the torsion spring of tension sheet, torsion spring will rotate from the end that the tension sheet comes off like this, draw close to valve block when rotating, if this moment, valve block was shown in an open position, torsion spring is driven valve block and finally is converted to operating position from open position, and has an end finally to push against on valve block; If this moment, valve block was in the closed position, one end of torsion spring will be pressed on the valve block this moment, thereby make valve block keep this closed position to prevent that effectively harmful high-temperature flue gas from pouring in down a chimney the access customer man always, protect the security of the lives and property.
Description of drawings
Accompanying drawing 2 for accompanying drawing 1 along the cutaway view Amplified image of A-A direction (partial view and rotated 180 degree);
Accompanying drawing 3 is the enlarged view of accompanying drawing 1 at the D place;
Accompanying drawing 4 is the plan view of check valve for flue of the present invention (valve block is in open mode);
Accompanying drawing 5 is the sectional view of accompanying drawing 4 along the B-B direction;
Accompanying drawing 6 is the enlarged view of accompanying drawing 4 at the C place;
Accompanying drawing 7 is the connection diagram of two torsion springs of the present invention;
Wherein: 1, oil smoke passage; 2, valve block; 3, exhaust outlet; 4, valve block rotating shaft; 5, fixing bolt; 6, intake grill; 7, torsion spring; 71, hitch; 8, first joint; 9, tension sheet; 91, clasp joint inclined-plane; 10, shell; 11, second joint; 12, hot melt sheet; 20, high temperature safty device.
Embodiment
As Fig. 1, a kind of check valve for flue shown in Figure 4, it comprises shell 10, has oil smoke passage 1 in the shell 10, the two end part of oil smoke passage 1 have intake grill 6 and exhaust outlet 3 respectively, generally, the wind pipe of the range hood in intake grill 6 and the kitchen communicates, and exhaust outlet 3 communicates with the vertical passage in building.The oral area of exhaust outlet 3 is provided with valve block 2, as shown in FIG., shell 10 is provided with first joint 8, be provided with on the valve block 2 and be provided with second joint 11, valve block rotating shaft 4 rotating are arranged on shell 10 on of valve block 2 by interting on first joint 8 and second joint 11, valve block 2 has two working positions, be closed position and open position, when valve block 2 is shown in an open position, part valve block 2 is away from exhaust outlet 3, exhaust outlet 3 has at least part to expose, and at this moment the oil smoke of extracting out by kitchen ventilator just can pass through oil smoke passage 1, flows in the building vertical passage through exhaust outlet 3 again; When valve block 2 was in the closed position, valve block 2 covered the oral area at exhaust outlet 3, and when this situation, the kitchen ventilator in the kitchen is the worker not.In order to make that a certain user family catches fire in the building, when a large amount of high temperature poison gas can flow in the vertical passage, prevent that these flue gases from blowing back in the man of resident family that valve block 2 opens, and also is provided with high temperature safty device 20 on the check valve for flue.
As Fig. 2, Fig. 3, Fig. 5, shown in Figure 6, high temperature safty device 20 comprise torsion spring 7, the hot melt sheet 12 of straining sheet 9, can melting under setting temperature, torsion spring 7 is set in the valve block rotating shaft 4, hot melt sheet 12, tension sheet 9, first joint 8 laminate the back successively and are fixed together by fixing bolt 5, one end of torsion spring 7 is provided with regularly with respect to first joint 8, the other end clasp joint is on tension sheet 9, and the other end of torsion spring 7 has the trend that breaks away from tension sheet 9; Like this, when hot melt sheet 12 is melted under setting temperature, behind the formation gap, strains sheet 9 and be moved between the tension sheet 9 and first joint 8, the other end of torsion spring 7 breaks away from the 9 back rotations of tension sheet, and promotion valve block 2 enters and is maintained in its closed position.
In order to make the thrust of torsion spring 7 enough big, be arranged with two torsion springs 7 that Hand of spiral is opposite in the valve block rotating shaft 4, one end of two torsion springs 7 pushes against respectively on first joint 8, after being connected, the other end of two torsion springs 7 forms hitch 71, the connection of these two torsion springs 7 as shown in Figure 7, these hitch 71 clasp joints are on tension sheet 9, when hot melt sheet 12 is melted under setting temperature, hitch 71 breaks away from tension sheet 9 and pushes against on valve block 2, makes valve block 2 enter and be maintained in its closed position from open position.
As shown in Figure 2, the end of tension sheet 9 has clasp joint inclined-plane 91, strain passing hitch 71 to the small part end and making hitch 71 hook on clasp joint inclined-plane 91 of sheet 9, like this when hot melt sheet 12 is melted under setting temperature, tension sheet 9 will move along the direction on clasp joint inclined-plane 91, thereby makes hitch 71 come off.
Claims (4)
1, a kind of check valve for flue, comprise shell (10), be positioned at the oil smoke passage (1) of described shell (10), the two end part of described oil smoke passage (1) have intake grill (6) and exhaust outlet (3) respectively, the oral area of described exhaust outlet (3) is provided with valve block (2), described valve block (2) is arranged on the described shell (10) by valve block rotating shaft (4) is rotating, described valve block (2) has two working positions, be closed position and open position, when described valve block (2) when being shown in an open position, described part valve block (2) is away from described exhaust outlet (3), and described exhaust outlet (3) has at least part to expose; When described valve block (2) was in the closed position, described valve block (2) covered the oral area in described exhaust outlet (3); It is characterized in that: also be provided with high temperature safty device (20) on the described check valve for flue, described high temperature safty device (20) comprise torsion spring (7), tension sheet (9), the hot melt sheet (12) that under setting temperature, can melt, described shell (10) is provided with first joint (8), described torsion spring (7) is set in the described valve block rotating shaft (4), described tension sheet (9), hot melt sheet (12), first joint (8) laminates the back and is fixed together by fixing bolt (5), one end of described torsion spring (7) is provided with regularly with respect to described first joint (8), the other end clasp joint is on described tension sheet (9), and the other end of described torsion spring (7) has the trend that breaks away from tension sheet (9); When described hot melt sheet (12) is melted under setting temperature, form the gap between described tension sheet (9) and first joint (8), the other end of described torsion spring (7) breaks away from described tension sheet (9) and promotes described valve block (2) and enters and be maintained in its closed position.
2, a kind of check valve for flue according to claim 1, it is characterized in that: be arranged with two torsion springs (7) that Hand of spiral is opposite in the described valve block rotating shaft (4), one end of described two torsion springs (7) pushes against respectively on first joint (8), after being connected, the other end of described two torsion springs (7) forms hitch (71), this hitch (71) clasp joint is on described tension sheet (9), when described hot melt sheet (12) is melted under setting temperature, described hitch (71) breaks away from described tension sheet (9) and pushes against on valve block (2), makes described valve block (2) enter and be maintained in its closed position from open position.
3, a kind of check valve for flue according to claim 2, it is characterized in that: the end of described tension sheet (9) has clasp joint inclined-plane (91), the passing described hitch (71) to the small part end and make hitch (71) hook on clasp joint inclined-plane (91) of described tension sheet (9).
4, a kind of check valve for flue according to claim 1 is characterized in that: described hot melt sheet (12), tension sheet (9), first joint (8) laminate the back successively and are fixed together by a fixing bolt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100195743A CN100485237C (en) | 2007-01-17 | 2007-01-17 | Smoke flue check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100195743A CN100485237C (en) | 2007-01-17 | 2007-01-17 | Smoke flue check valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101016955A true CN101016955A (en) | 2007-08-15 |
| CN100485237C CN100485237C (en) | 2009-05-06 |
Family
ID=38726137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100195743A Expired - Fee Related CN100485237C (en) | 2007-01-17 | 2007-01-17 | Smoke flue check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100485237C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975294A (en) * | 2010-10-11 | 2011-02-16 | 秦先军 | Separated fire-proof check valve |
| CN102135198A (en) * | 2011-03-29 | 2011-07-27 | 李武鸿 | Guide fireproofing check valve |
| CN101608702B (en) * | 2009-07-23 | 2012-07-25 | 韩文强 | Check fire valve for flue |
| CN103867754A (en) * | 2014-03-09 | 2014-06-18 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
| CN105240582A (en) * | 2015-10-16 | 2016-01-13 | 宁波方太厨具有限公司 | Flue fire damper for range hood |
| CN107289158A (en) * | 2017-07-10 | 2017-10-24 | 杭州老板电器股份有限公司 | A kind of check-valves for carrying fire-proof function |
-
2007
- 2007-01-17 CN CNB2007100195743A patent/CN100485237C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608702B (en) * | 2009-07-23 | 2012-07-25 | 韩文强 | Check fire valve for flue |
| CN101975294A (en) * | 2010-10-11 | 2011-02-16 | 秦先军 | Separated fire-proof check valve |
| CN102135198A (en) * | 2011-03-29 | 2011-07-27 | 李武鸿 | Guide fireproofing check valve |
| CN103867754A (en) * | 2014-03-09 | 2014-06-18 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
| CN103867754B (en) * | 2014-03-09 | 2017-01-25 | 北京工业大学 | Pneumatic reversing device for continuous high-temperature air combustion system |
| CN105240582A (en) * | 2015-10-16 | 2016-01-13 | 宁波方太厨具有限公司 | Flue fire damper for range hood |
| CN107289158A (en) * | 2017-07-10 | 2017-10-24 | 杭州老板电器股份有限公司 | A kind of check-valves for carrying fire-proof function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100485237C (en) | 2009-05-06 |
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Granted publication date: 20090506 Termination date: 20100219 |