CN201036669Y - Building exhausting duct fire-proof valve - Google Patents
Building exhausting duct fire-proof valve Download PDFInfo
- Publication number
- CN201036669Y CN201036669Y CNU2007201482632U CN200720148263U CN201036669Y CN 201036669 Y CN201036669 Y CN 201036669Y CN U2007201482632 U CNU2007201482632 U CN U2007201482632U CN 200720148263 U CN200720148263 U CN 200720148263U CN 201036669 Y CN201036669 Y CN 201036669Y
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- CN
- China
- Prior art keywords
- fire prevention
- valve
- valve body
- prevention valve
- ventilation channel
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- Expired - Fee Related
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Abstract
An exhaust airway fireproof valve for building comprises a fireproof valve(12) and a fireproof valve body(2) with an air inlet(2a) and an air outlet(2b). The fireproof valve is characterized in that the a blank groove(13) communicated with an air flow passage in the valve body is arranged at the upper part of the external wall of the fireproof valve body. A vertical support rod(7) is fixed on the external wall of the fireproof valve body, and the upper part of the fireproof valve(12) is hung on the support rod(7) through a thermal melting sheet(10),wherein, the lower end of the fireproof valve stretches into the blank groove(13) cooperatively. In the status of free falling, the fireproof valve interrupts the air flow passage in the valve body. Besides, the utility model has the advantages of simple structure, easy installation and reliable fireproof action.
Description
Technical field
The utility model belongs to a kind of fire resisting damper, is specifically related to a kind of non-return fire resisting damper that is used for the building exhausting duct.
Background technology
Existing building is provided with shared exhausting duct more, each layer kitchen, toilet are communicated with shared exhausting duct respectively, for preventing that the foul smell in the shared exhausting duct from recharging, be equipped with check-valves between each kitchen, toilet and the shared exhausting duct, simultaneously, when preventing other floor breaking out of fire, pyrotechnics in the shared exhausting duct pours in down a chimney into this chamber, family, and national standard also requires at this position fire resisting damper to be set, when the breaking out of fire of other room, automatic-closing valve prevents that fire from stretching.The structure more complicated that existing fire resisting damper has, what have is hinge arrangement, closing motion is insensitive.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, easy-to-install building fireproof valve for ventilation channel.
The technical scheme that addresses the above problem is (referring to implementing illustration): the utility model is provided with fire prevention valve block (12), brings the fire prevention valve body (2) of gas port (2a) and gas outlet (2b) into, it is characterized in that: described fire prevention valve outer wall top has the dead slot (13) that is communicated with gas channel in the valve body, be fixed with the support bar (7) that erects on the fire prevention valve outer wall, described fire prevention valve block (12) top hangs on the support bar by hot melt sheet (10), its lower end puts in dead slot (13) movingly, the fire prevention valve block blocks the gas channel in the valve body under free full state.
Operation principle of the present utility model is: work as breaking out of fire, with in the shared exhausting duct that fire prevention valve body gas outlet is communicated with during generation high temperature pyrotechnics, hang hot melt sheet (10) fusing of fire prevention valve block, fire prevention valve block (12) is by gravity fall, gas channel in the valve body is blocked, indoor and shared exhausting duct is isolated mutually, prevent stretching of fire.
The utlity model has simple in structurely, be easy to install the advantage of fire prevention reliable in action.
Description of drawings
Fig. 1, the utility model example structure schematic diagram
The A-A of Fig. 2, Fig. 1 is to structural representation
1-fire prevention valve seat 2-fire prevention valve body 3-check valve body 4-non-return valve block 5-non-return valve seat 6-rotating shaft 7-support bar 8-sleeve 9-brace 10-hot melt sheet 11-securing member 12-fire prevention valve block 13-dead slot 14-brace 15-guide cylinder
Specific embodiments
This example fire prevention valve body 2 is tubular, and axially two ends are respectively air inlet 2a and gas outlet 2b, and gas channel is provided with fire prevention valve seat 1 in the valve body, valve outer wall top have with gas channel in the valve body is communicated with, and facing to the prevent fires dead slot 13 of valve seat 1 of below.Described fire prevention valve seat 1 is the step that is positioned at the projection that is provided with on the fire prevention valve block upstream side internal face in body cavity gas channel bottom, but downstream is withstood the valve block bottom, prevents that the flue gas of public exhaust duct from recharging.
Described upstream side is meant the side near air inlet, and the downstream is meant the side near the gas outlet.
Described support bar 7 is fixed on the fire prevention valve outer wall of dead slot 13 1 sides, and the support bar lower end is by securing member and valve body relative fixed, and described fire prevention valve block 12 upper ends are connected with hot melt sheet 10 lower ends, and hot melt sheet upper end is connected with the hook on support bar top.
This example fire prevention valve block 12 upper ends removably connect by screw 11 and hot melt sheet. and in a single day the hot melt sheet disconnects, and the fire prevention valve block also can be suspended on by the hot melt sheet that more renews on the support bar hook.
The fire prevention valve block is under free-falling state, and its external diameter that is positioned at dead slot 13 below parts is slightly less than valve body gas channel internal diameter, therefore can fall the gas channel bottom, and it is blocked.
Fire prevention valve block upper end is provided with the brace 9 to the sidepiece bending, fixedlys connected with the sleeve 8 that is enclosed within movingly on the support bar to the brace end of sidepiece bending, and when the fire prevention valve block leaned on gravity fall, sleeve 8 played guide effect to it.
Establish and axial flow passage brace 14 in vertical direction on fire prevention valve body 2 outer walls, can be used for the fire prevention valve body is fixed on the indoor exhaust outlet.
This example fire prevention valve body 2 air inlet 2a are connected in series with check valve body 3, tubular check valve body 3 gas outlets and fire prevention valve body air inlet 2a socket, check valve body inner chamber gas channel is provided with by rotating shaft 6 and the hinged non-return valve block 4 of valve body, rotating shaft is located at the position of deflection non-return valve block upper end, the gas channel wall is provided with the non-return valve seat 5 of projection, the valve seat of rotating shaft below is positioned at the upstream side of non-return valve block, and the valve seat of rotating shaft top is positioned at the downstream of non-return valve block.
Claims (10)
1. building fireproof valve for ventilation channel, be provided with fire prevention valve block (12), bring the fire prevention valve body (2) of gas port (2a) and gas outlet (2b) into, it is characterized in that: described fire prevention valve outer wall top has the dead slot (13) that is communicated with gas channel in the valve body, be fixed with the support bar (7) that erects on the fire prevention valve outer wall, described fire prevention valve block (12) top hangs on the support bar by hot melt sheet (10), its lower end puts in dead slot (13) movingly, the fire prevention valve block blocks the gas channel in the valve body under free full state.
2. building fireproof valve for ventilation channel according to claim 1, it is characterized in that: described fire prevention valve body (2) is tubular, axially two ends are respectively air inlet (2a) and gas outlet (2b), gas channel is provided with fire prevention valve seat (1) in the valve body, and the dead slot (13) that described valve outer wall top is offered is facing to the fire prevention valve seat (1) of below.
3. building fireproof valve for ventilation channel according to claim 1, it is characterized in that: described support bar (7) is fixed on the fire prevention valve outer wall of dead slot (13) one sides, the support bar lower end is by securing member and valve body relative fixed, described fire prevention valve block (12) upper end is connected with hot melt sheet (10) lower end, and hot melt sheet upper end is connected with the hook on support bar top.
4. building fireproof valve for ventilation channel according to claim 1 is characterized in that: described fire prevention valve block (12) upper end removably connects by screw (11) and hot melt sheet.
5. building fireproof valve for ventilation channel according to claim 1 is characterized in that: described fire prevention valve block upper end is provided with the brace (9) to the sidepiece bending, fixedlys connected with the sleeve (8) that is enclosed within movingly on the support bar to the brace end of sidepiece bending.
6. building fireproof valve for ventilation channel according to claim 1 is characterized in that: described fire prevention valve body (2) outer wall is provided with and axial flow passage brace (14) in vertical direction.
7. according to the described building fireproof valve for ventilation channel of the arbitrary claim of claim 1-6, it is characterized in that: described fire prevention valve body (2) air inlet (2a) is connected in series with check valve body (3).
8. building fireproof valve for ventilation channel according to claim 7, it is characterized in that: described check valve body (3) is tubular, with the socket of fire prevention valve body air inlet (2a), check valve body inner chamber gas channel is provided with by rotating shaft (6) and the hinged non-return valve block (4) of valve body, rotating shaft is located at the position of deflection non-return valve block upper end, the gas channel wall is provided with the non-return valve seat (5) of projection, the valve seat of rotating shaft below is positioned at the upstream side of non-return valve block, and the valve seat of rotating shaft top is positioned at the downstream of non-return valve block.
9. according to the described building fireproof valve for ventilation channel of the arbitrary claim of claim 1-6, it is characterized in that: described fire prevention valve outlet (2b) is located to be with and is upwards turned 45～160 degree, the guide cylinder (15) that makes progress of opening.
10. building fireproof valve for ventilation channel according to claim 7 is characterized in that: described fire prevention valve outlet (2b) is located to be with and is upwards turned 45～160 degree, the guide cylinder (15) that makes progress of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201482632U CN201036669Y (en) | 2007-05-15 | 2007-05-15 | Building exhausting duct fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201482632U CN201036669Y (en) | 2007-05-15 | 2007-05-15 | Building exhausting duct fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036669Y true CN201036669Y (en) | 2008-03-19 |
Family
ID=39209177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201482632U Expired - Fee Related CN201036669Y (en) | 2007-05-15 | 2007-05-15 | Building exhausting duct fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036669Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102369043A (en) * | 2009-04-09 | 2012-03-07 | 维拉可公司 | Fire valve |
-
2007
- 2007-05-15 CN CNU2007201482632U patent/CN201036669Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102369043A (en) * | 2009-04-09 | 2012-03-07 | 维拉可公司 | Fire valve |
| US20120108162A1 (en) * | 2009-04-09 | 2012-05-03 | Vraco Sas | Fire valve |
| CN102369043B (en) * | 2009-04-09 | 2014-01-08 | 维拉可公司 | Fire valve |
| US9433810B2 (en) * | 2009-04-09 | 2016-09-06 | Vraco Sas | Fire valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20130515 |