CN2700739Y - Smoke discharging fire preventing valve with built-in fire preventing valve block - Google Patents
Smoke discharging fire preventing valve with built-in fire preventing valve block Download PDFInfo
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- CN2700739Y CN2700739Y CN 200420027435 CN200420027435U CN2700739Y CN 2700739 Y CN2700739 Y CN 2700739Y CN 200420027435 CN200420027435 CN 200420027435 CN 200420027435 U CN200420027435 U CN 200420027435U CN 2700739 Y CN2700739 Y CN 2700739Y
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- fire prevention
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Abstract
The utility model discloses a kitchen and bathroom used smoke discharging fire preventing valve with built-in fire preventing valve block, comprising a fire preventing valve block mounted in the valve casing, and with convenient change of fuse. The utility model comprises a valve casing (1) whose one end is connected with an inlet end (3) and the other is connected with an outlet end (4). The valve casing (1) is fixed onto a building exhaust passage wall (9) comprising an outlet end (4) positioned inside, and an inlet end (3) is connected with an air duct (6) of the indoor air exhausting equipment. The utility model is characterized in that the outlet end (4) is equipped with a barrier chip wall (8) provided with an exhaust hole (16). A check valve block (11) is arranged in the exhaust hole (16). A fire preventing valve block (13) is positioned at the upper part of the inner edge of the exhaust hole (16), suspending in the inner cavity of the valve casing (1) via a fuse (14).
Description
Technical field
The utility model relates to the valve of the blast pipe of the ventilation shaft that is used for connecting in a kind of residential kitchen and toilet on the body of wall and room ventilation equipment, and specifically a kind of kitchen guarding with built-in fire prevention valve block uses the smoke discharging fire-protection valve.
Background technology
At present, in building, be extensive use of public breather line, do not have the kitchen of bright window, the oil smoke and the exhaust gas discharging problem of toilet with solution.This structure in use needs to solve two big problems, the one, the cigarette that prevents to discharge, gas are to using same public other user's of airway secondary pollution, the 2nd, when in a single day the naked light burning taking place, can not have influence among the user who communicates with it by exhaust outlet for public airway based on the discharging oil smoke, play anti-fire action.For this reason, must on public airway, check valve be installed, when room ventilation or exhaust equipment work, under the effect of air-supply power, open the valve block on the check valve automatically, flue gas is entered in the public airway, and when room ventilation or exhaust equipment quit work, the valve block on the check valve was shut the gas outlet automatically, prevent other cigarette that the user produced that uses same public airway, gas enters this user from the gas outlet indoor, plays anti-fire action simultaneously.In order to increase flameproof effect, guarantee that public airway non-return valve block when producing the naked light burning can be pressed on the air outlet, also must add a hold down gag, utilize fusible link to connect a cover plate that adds, automatic disconnection after fusible link is heated, on the gas outlet, and the fusible link of existing structure generally is installed in the building exhaust passage wall cover plate at gravity effect lower cover, in case that breaking out of fire fusing back is changed is very inconvenient.
Summary of the invention
The purpose of this utility model is to change the problem of inconvenience at the fusible link that exists in the prior art, and the kitchen guarding who provide that a kind of valve block of preventing fires is installed in the valve casing, fusible link is changed easily with built-in fire prevention valve block uses the smoke discharging fire-protection valve.
The technical solution of the utility model is:
A kind of kitchen guarding with built-in fire prevention valve block uses the smoke discharging fire-protection valve, comprise valve casing 1, one end of valve casing 1 is connected with inlet end 3, the other end is connected with outlet side 4, valve casing 1 is fixed on the building exhaust passage wall 9, outlet side 4 is arranged in building exhaust passage 5, inlet end 3 links to each other with the breather line 6 of indoor exhaust equipment, it is characterized in that in outlet side 4, being provided with catch wall 8, catch wall 8 is provided with steam vent 16, non-return valve block 11 is installed in the steam vent 16, non-return valve block 11 rotates around non-return valve shaft 10, when indoor exhaust equipment is worked, turn to poised state around non-return valve shaft 10 under the effect of non-return valve block 11 wind-force that exhaust equipment is carried in stopping up, indoor flue gas is then by steam vent 16, outlet side 4 and building exhaust passage 5 enter in the atmosphere; Fire prevention valve block 13 is arranged in steam vent 16 inner side edge tops and is suspended on the inner chamber of valve casing 1 by fusible link 14.
That non-return valve block 11 can be is plate shaped, hemispherical or taper, wherein is best with the hemispherical.
Fire prevention valve block 13 can be plate shaped or hemispherical.
Inlet end 3 links to each other with valve casing 1 by cover plate 7.
Valve casing 1 is fixed on the building exhaust passage wall 9 by coupled connecting plate 2, and outlet side 4 is passed connecting plate 2 and stretched in the building exhaust passage 5.
The beneficial effects of the utility model:
1, solves fusible link and changed inconvenient problem, as long as remove the cover plate that links to each other with valve casing, can change easily when changing fusible link, need not to dismantle other any parts.
2, simple in structure, manufacturing, easy for installation, non-return valve block and fire prevention valve block are installed in catch wall two sides in the outlet side, and volume of the present utility model is dwindled greatly.
3, fire resisting damper is safe and reliable, and after the fusible link fusing, the fire prevention valve block is being pressed under the effect of spring torsion on the steam vent of outlet side automatically, can prevent the backflow of fire smoke effectively, add the effect of upper check valve sheet, can play dual anti-fire action, have to utilize and improve the fire safety grade.
Description of drawings
Fig. 1 is the utility model structural representation.
Fire prevention valve block working state schematic representation when Fig. 2 is fusible link of the present utility model fusing.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
A kind of kitchen guarding with built-in fire prevention valve block uses the smoke discharging fire-protection valve, comprise valve casing 1, connecting plate 2, valve casing 1 is provided with inlet end 3 and outlet side 4, valve casing 1 links to each other with connecting plate 2, connecting plate 2 links to each other with building exhaust passage wall 9, outlet side 4 is passed connecting plate 2 and is arranged in building exhaust passage 5, inlet end 3 links to each other with the breather line 6 of indoor exhaust equipment, in outlet side 4, be provided with catch wall 8, hemispherical non-return valve block 11 and hemispherical fire prevention valve block 13 lay respectively at the both sides of catch wall 8, hemispherical fire prevention valve block 13 is near valve casing 1 inner chamber one side (being the right side among Fig. 1), non-return valve shaft 10 is installed on the outlet side 4, non-return valve block 11 is journaled on the non-return valve shaft 10, and can rotate around non-return valve shaft 10, fire prevention valve shaft 12 also is installed on the outlet side 4 and is positioned at the top of non-return valve shaft 10, hemispherical fire prevention valve block 13 is journaled on the fire prevention valve shaft 12, fusible link 14 1 ends link to each other with the inner chamber of valve casing 1, the other end links to each other with hemispherical fire prevention valve block 13, be set with torsion spring 15 on the fire prevention valve shaft 12, one end of torsion spring 15 and hemispherical fire prevention valve block 13 offset, fire prevention valve block 13 is suspended under the effect of fusible link 14 in the inner chamber of valve casing 1, produces a moment of torsion that points to exhaust outlet 16 medial surfaces all the time under the effect of torsion spring 15.
For the ease of the replacing of fusible link 14, inlet end 3 can be linked to each other with cover plate 7, cover plate 7 links to each other with valve casing 1, only cover plate 7 is pulled down from valve casing 1 when changing fusible link 14, hand can be stretched in the valve casing 1 and change easily.If inlet end 3 is directly linked to each other with valve casing 1, so also can when changing fusible link 14, directly will be sleeved on after breather line 6 on the inlet end 3 takes off, put in the valve casing 1 with hand and change, also more convenient.
In addition, the also available stage clip of torsion spring 15 replaces, and an end of stage clip links to each other with catch wall 8 or valve casing 1, and the other end offsets with fire prevention valve block 13.
The size of each parts should accurately design during concrete enforcement, interferes preventing.
The course of work of the present utility model is;
When indoor exhaust wind equipment is worked, non-return valve block 11 turns to poised state around non-return valve shaft 10 automatically under the effect of wind-force, the steam vent 16 of flue gas from outlet side 4 enters in the building exhaust passage 5 and enters in the atmosphere, and the valve block of preventing fires this moment is in suspension status under the effect of fusible link 14, can not influence the air draft effect, when indoor exhaust equipment quits work, non-return valve block 11 is closed outlet side 4 (this be because the position of non-return valve shaft 10 on the top of the center of gravity of valve block 10) automatically under the effect of gravity, play anti-collaborating effect, the flue gas of other user's discharge can not inlet chamber in.
When naked light takes place when, temperature in the building exhaust passage 5 rises rapidly, when the fusible link 14 that is positioned at valve casing 1 is sensed fire temperature, and when reaching its fusing-off temperature (being generally 70 ℃), fusible link 14 automatic disconnections, at this moment, fire prevention valve block 13 is on the steam vent 16 that covers rapidly under the effect of the torsion (pressure) of gravity and torsion spring 15 (or stage clip) in outlet side 4 and compress, make high-temperature flue gas or the naked light can not be in 4 inlet chambers of outlet side, reach the fireproof purpose, also be in closed condition owing to the non-return valve block simultaneously, thereby play dual anti-fire action.
When needs are changed fusible link 14,, just hand can be stretched in the valve casing 1 as long as cover plate 7 is pulled down from valve casing 1, take off the fusible link that has fused, again change new fusible link 14, the torsion that fusible link overcomes torsion spring makes fire prevention valve block 13 leave air admission hole 16, guarantees the unimpeded of normal smoke discharging passage.
Claims (6)
1, a kind of kitchen guarding with built-in fire prevention valve block uses the smoke discharging fire-protection valve, comprise valve casing (1), one end of valve casing (1) is connected with inlet end (3), the other end is connected with outlet side (4), valve casing (1) is fixed on the building exhaust passage wall (9), outlet side (4) is arranged in building exhaust passage (5), inlet end (3) links to each other with the breather line (6) of indoor exhaust equipment, it is characterized in that in outlet side (4), being provided with catch wall (8), catch wall (8) is provided with steam vent (16), non-return valve block (11) is installed in the steam vent (16), and fire prevention valve block (13) is arranged in steam vent (16) inner side edge top and is suspended on the inner chamber of valve casing (1) by fusible link (14).
2, the kitchen guarding with built-in fire prevention valve block according to claim 1 uses the smoke discharging fire-protection valve, it is characterized in that fusible link (14) one ends link to each other with the inner chamber of valve casing (1), the other end links to each other with fire prevention valve block (13), be set with torsion spring (15) on the fire prevention valve shaft (12) of pivot dress fire prevention valve block (13), an end of torsion spring (15) offsets with fire prevention valve block (13).
3, the kitchen guarding with built-in fire prevention valve block according to claim 1 uses the smoke discharging fire-protection valve, it is characterized in that described non-return valve block (11) is plate shaped, hemispherical or taper.
4, the kitchen guarding with built-in fire prevention valve block according to claim 1 uses the smoke discharging fire-protection valve, it is characterized in that described fire prevention valve block (13) is plate shaped or hemispherical.
5, the kitchen guarding with built-in fire prevention valve block according to claim 1 uses the smoke discharging fire-protection valve, it is characterized in that inlet end (3) links to each other with valve casing (1) by cover plate (7).
6, the kitchen guarding with built-in fire prevention valve block according to claim 1 uses the smoke discharging fire-protection valve, it is characterized in that valve casing (1) is fixed on the building exhaust passage wall (9) by coupled connecting plate (2), outlet side (4) are passed connecting plate (2) and are stretched in the building exhaust passage (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027435 CN2700739Y (en) | 2004-05-31 | 2004-05-31 | Smoke discharging fire preventing valve with built-in fire preventing valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027435 CN2700739Y (en) | 2004-05-31 | 2004-05-31 | Smoke discharging fire preventing valve with built-in fire preventing valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700739Y true CN2700739Y (en) | 2005-05-18 |
Family
ID=34771653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027435 Expired - Fee Related CN2700739Y (en) | 2004-05-31 | 2004-05-31 | Smoke discharging fire preventing valve with built-in fire preventing valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700739Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506982A (en) * | 2018-04-10 | 2018-09-07 | 广东美的厨房电器制造有限公司 | Flue kuppe and flue system with it |
| CN110077871A (en) * | 2019-05-27 | 2019-08-02 | 中国人民解放军32181部队 | A kind of propellant powder serialization destroying system |
-
2004
- 2004-05-31 CN CN 200420027435 patent/CN2700739Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506982A (en) * | 2018-04-10 | 2018-09-07 | 广东美的厨房电器制造有限公司 | Flue kuppe and flue system with it |
| CN110077871A (en) * | 2019-05-27 | 2019-08-02 | 中国人民解放军32181部队 | A kind of propellant powder serialization destroying system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |