CN201284854Y - Fireproof check valve for residential housing kitchen and bathroom exhaustion duct - Google Patents
Fireproof check valve for residential housing kitchen and bathroom exhaustion duct Download PDFInfo
- Publication number
- CN201284854Y CN201284854Y CNU2008201342805U CN200820134280U CN201284854Y CN 201284854 Y CN201284854 Y CN 201284854Y CN U2008201342805 U CNU2008201342805 U CN U2008201342805U CN 200820134280 U CN200820134280 U CN 200820134280U CN 201284854 Y CN201284854 Y CN 201284854Y
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- valve
- fire prevention
- fire
- valve body
- fireproofing
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Abstract
The utility model relates to a fireproofing check valve for the exhaust passage of kitchens and washrooms of residential housing, which is provided with a fireproofing valve body (3) and a fireproofing valve plate (4), wherein, the inner vent port of the fireproofing valve body is provided with a valve port (7); the fireproofing valve body is communicated with a horizontal air inlet port (1) through a guide cylinder (12); and the air inlet port of the fireproofing valve body is in series connection with a check valve body (10) through a flange (8). The lower part of the fireproofing valve plate is in link connection with the valve body arranged at one side of the valve port; the upper part of the fireproofing valve plate is slantwise towards to the cavity of the valve body and slantwise faces to the lower valve port; a hot melt sheet (5) is bridged between the outer side walls of the fireproofing body and the fireproofing valve plate; a restoring post rod (11a) capable of jacking up the fireproofing valve plate dropping onto the valve port is arranged below the valve port of the cavity of the fireproofing valve body; and the restoring post rod is in driving connection with a restoring rod (11b) which is inserted into the fireproofing valve body from the direction of the fireproofing air inlet port (1). The utility model has the advantages of simple structure, low cost, easy replacement of new hot melt sheet, and reliable fireproofing operation.
Description
Technical field
The utility model belongs to a kind of building air exhausting device, is specifically related to a kind of fire-preventing check valve that is used for the building air exhaust channel.
Background technique
Existing building is provided with shared air exhaust channel more, each layer kitchen, toilet are communicated with shared air exhaust channel respectively, for preventing that the foul smell in the shared air exhaust channel from recharging, be equipped with safety check between each kitchen, toilet and the shared air exhaust channel, simultaneously, when preventing other floor breaking out of fire, pyrotechnics in the shared air exhaust channel pours in down a chimney into this chamber, family, and NBS also requires at this position fire-closing valve to be set, when the breaking out of fire of other room, automatic-closing valve prevents fire spread.The structure more complicated that existing fire-closing valve has, the closing motion that has is insensitive, and what have closes the back if there is not the professional workforce just the fire-closing valve of closing can't be opened.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of simple in structure, reliable in action, fire-closing valve close after the residential housing kitchen guarding air outlet flue fire-preventing check valve of manual unlocking fire-closing valve easily.
The technological scheme that addresses the above problem is (referring to implementing illustration): the utility model is provided with air outlet (2) and makes progress or the oblique fire prevention valve body (3) that makes progress, fire prevention valve block (4), the position, air outlet is provided with valve port (7) in the fire prevention valve body, the fire prevention valve body is communicated with to suction port (1) with level by guide cylinder (12), fire prevention valve body suction port (1) is connected in series by the check valve body (10) of flange (8) with band non-return valve block (9), it is characterized in that: described fire prevention valve block (4) bottom is connected with the valve body hinge of valve port one side, fire prevention valve block top tilts to the body cavity direction, oblique valve port (7) facing to the below, hot melt sheet (5) is connected across between external sidewall of fire-closing valve and the fire prevention valve block outer side wall, support the fire prevention valve block and keep the oblique state that erects, in fire-closing valve intracoelomic cavity valve port (7) below, be provided with one and can will fall the push rod that resets (11a) of fire prevention valve block (4) jack-up on the valve port by rotating, this push rod that resets is in transmission connection with the release link (11b) that puts in the fire prevention valve body from fire-closing valve suction port (1) direction movingly.
Working principle of the present utility model is: generally, the fire prevention valve block is in the oblique state that erects under the support of hot melt sheet, the fire prevention valve outlet is an opening state, work as breaking out of fire, with in the shared air exhaust channel that fire prevention valve body air outlet is communicated with during generation high temperature pyrotechnics, be in hot melt sheet (5) fusing in the high temperature air exhaust channel, oblique fire prevention valve block (4) loses support, fall down to the body cavity direction by gravity, fastening drops on the valve port (7), block the air-flow path in the valve body, indoor and shared air exhaust channel is isolated mutually, prevent spreading of fire.If the fire prevention valve block is closed, during the hot melt sheet that can not more renew immediately, the user of service can be by manual action in release link (11b), its push rod that resets (11a) that drives in the valve body is rotated, valve block (4) jack-up of will preventing fires, support fire prevention valve block (4) and make it be in the oblique state that erects again, treat the hot melt sheet that the specialized maintenance personnel more renew when coming again.
The utility model is simple in structure, cost is low, fire prevention reliable in action, user of service can be easily manual unlocking fire prevention valve block voluntarily.
Description of drawings
Fig. 1, the utility model embodiment 1 structural representation
The A position structure for amplifying schematic representation of Fig. 2, Fig. 1
Fig. 3, Fig. 1 structural representation of valve block 4 when falling of preventing fires
Fig. 4, with the push rod 11a that the resets structural representation that valve block jack-up resets of will preventing fires
Fig. 5, the utility model embodiment 2 structural representations
The B of Fig. 6, Fig. 5 is to view
Fig. 7, the utility model embodiment 3 structural representations
The C of Fig. 8, Fig. 7 is to view
1-suction port 2-air outlet 3-fire prevention valve body 4-fire prevention valve block 5-hot melt sheet 6-connecting sheet 7-valve port 8-flange 9-non-return valve block 10-check valve body 11a-reset push rod 11b- release link 11c, 11d-articulating point 12-guide way 13-weight 14-pin-joint piece
Specific embodiments
Embodiment 1 (Fig. 1,2,3,4)
Cross section, valve port and the fire prevention sheet of air-flow path all are square in this example fire prevention valve body 3, fire prevention valve body 3 is provided with the air outlet 2 that opening makes progress, be communicated with to suction port 1 with level by guide way 12, suction port 1 is connected with the check valve body 10 that is provided with non-return valve block 9 by flange 8, and the check valve body cross section is rounded.
The fire prevention valve body is provided with valve port 7 near the position of air outlet 2, fire prevention valve block 4 bottoms are connected with the valve body hinge of valve port 7 one sides, specifically be that fire prevention valve block 4 bottoms are connected with the pin-joint piece that erects 14 hinges that are located near on the suction port one side outer wall, fire prevention valve block top is to body cavity direction inclination 25 degree (promptly being 25 degree angles with Vertical direction), oblique valve port 7 facing to the below, fire prevention valve block bottom and valve body cross-linking part are provided with the hot melt sheet 5 that is connected across between fire prevention valve block outer side wall and the external sidewall of fire-closing valve, and hot melt sheet 5 supports the fire prevention valve block makes it keep the oblique state that erects.
Referring to Fig. 2, fixedly connected with the oblique connecting sheet 6 on being fixed on valve outer wall by screw in hot melt sheet 5 bottoms, the upper end is connected with fire prevention valve block 4 outer walls by screw, fire prevention valve block upper inner is provided with weight 13, like this when hot melt sheet 5 disconnects, can strengthen the moment of rotation of fire prevention valve block, fall down fast.
This example is provided with the manual reseting device of fire prevention valve block, concrete structure is: release link 11b passes flange 8 antethecas from fire prevention valve body suction port 1 level to movingly, put in fire prevention valve body 3 inner chambers, reset push rod 11a middle part is connected with fire prevention valve body hinge below the valve port, release link 11b is hinged with the push rod lower end that resets, when the push rod 11a that resets rotated under release link drives, the sense of rotation of its upper end was facing to the fire prevention valve block 4 of top.Referring to Fig. 1,3, generally, the subtended angle that resets between push rod 11a and the release link 11b is the obtuse angle that is bordering on 180 degree, referring to Fig. 4, when the fire-closing valve sheet is fallen on the valve port, inwardly push away release link 11b, can drive the push rod 11a upper end that resets rotates to fire prevention valve block direction, with fire prevention valve block 4 jack-up of dropping on the valve port, support fire prevention valve block 4 and make it be in the oblique state that erects again, treat the hot melt sheet that the specialized maintenance personnel more renew.
Embodiment 2 (Fig. 5,6)
As different from Example 1, fire prevention valve block 4 bottoms of this example are connected with pin-joint piece 14 hinges that are located at away from erecting on the suction port one side outer wall, generally, the angle that resets between push rod 11a and the release link 11b is an acute angle, be pulled outwardly release link 11b, can drive the push rod 11a upper end that resets and rotate, with fire prevention valve block 4 jack-up of dropping on the valve port to fire prevention valve block direction.
Referring to Fig. 6, identical with embodiment 1, this example fire prevention valve body suction port 1 is square, and check valve body 10 cross sections are rounded, and release link 11b puts in the fire-closing valve intracoelomic cavity movingly from flange 8 front faces that are positioned at check valve body 10 outsides.
Embodiment 3 (Fig. 7,8)
Different with embodiment 1,2 is that the push rod 11a that resets of this example is fixedlyed connected with the end of release link 11b level in putting in valve body, and is the L shaped of an angle of 90 degrees with release link.Generally, the push rod 11a that resets turns downwards, when the fire-closing valve sheet is fallen on the valve port, rotates release link 11b, can drive the push rod 11a that resets and rotate to fire prevention valve block direction, with fire prevention valve block 4 jack-up of dropping on the valve port.
Referring to Fig. 8, this example fire prevention valve body suction port 1 is rounded, and check valve body 10 cross sections are the circle of diameter less than fire-closing valve suction port 1, and release link 11b puts in the fire-closing valve intracoelomic cavity movingly from flange 8 front faces that are positioned at check valve body 10 outsides.
The angle of inclination of fire prevention valve block 4 direction in valve body that the utility model erects generally can be the 10-60 degree, and preferably the 20-30 degree is advisable, valve port 7 can with level to being 0-45 degree angle.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; every foundation technical spirit of the present utility model all still belongs to the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1, residential housing kitchen guarding air outlet flue fire-preventing check valve, being provided with air outlet (2) makes progress or the oblique fire prevention valve body (3) that makes progress, fire prevention valve block (4), the position, air outlet is provided with valve port (7) in the fire prevention valve body, the fire prevention valve body is communicated with to suction port (1) with level by guide cylinder (12), fire prevention valve body suction port (1) is connected in series by the check valve body (10) of flange (8) with band non-return valve block (9), it is characterized in that: described fire prevention valve block (4) bottom is connected with the valve body hinge of valve port one side, fire prevention valve block top tilts to the body cavity direction, oblique valve port (7) facing to the below, hot melt sheet (5) is connected across between external sidewall of fire-closing valve and the fire prevention valve block outer side wall, support the fire prevention valve block and keep the oblique state that erects, in fire-closing valve intracoelomic cavity valve port (7) below, be provided with one and can will fall the push rod that resets (11a) of fire prevention valve block (4) jack-up on the valve port by rotating, this push rod that resets is in transmission connection with the release link (11b) that puts in the fire prevention valve body from fire-closing valve suction port (1) direction movingly.
2, residential housing kitchen guarding air outlet flue fire-preventing check valve according to claim 1 is characterized in that: described release link (11b) puts in the fire-closing valve intracoelomic cavity movingly from being positioned at outside flange (8) front face of check valve body (10).
3, residential housing kitchen guarding air outlet flue fire-preventing check valve according to claim 1 is characterized in that: the described fire prevention valve block (4) that erects is the 10-60 degree to the angle of inclination of body cavity direction.
4, residential housing kitchen guarding air outlet flue fire-preventing check valve according to claim 1, it is characterized in that: fixedly connected with the oblique connecting sheet (7) on being fixed on valve outer wall by screw in described hot melt sheet (5) bottom, and the upper end is connected with fire prevention valve block (4) outer wall by screw.
5, according to the described residential housing kitchen guarding of the arbitrary claim of claim 1-4 air outlet flue fire-preventing check valve, it is characterized in that: the described push rod that resets (11a) middle part is connected with the fire prevention valve body hinge of valve port below, level is hinged with push rod (11a) lower end that resets to the release link (11b) that stretches into the fire prevention valve body, and the sense of rotation of the push rod upper end that resets is facing to the fire prevention valve block (4) of top.
6, according to the described residential housing kitchen guarding of the arbitrary claim of claim 1-4 air outlet flue fire-preventing check valve, it is characterized in that: the described push rod that resets (11a) is fixedlyed connected to the release link (11b) that stretches into the fire prevention valve body with level, and is an angle of 90 degrees with release link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342805U CN201284854Y (en) | 2008-10-10 | 2008-10-10 | Fireproof check valve for residential housing kitchen and bathroom exhaustion duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342805U CN201284854Y (en) | 2008-10-10 | 2008-10-10 | Fireproof check valve for residential housing kitchen and bathroom exhaustion duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284854Y true CN201284854Y (en) | 2009-08-05 |
Family
ID=40949839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201342805U Expired - Fee Related CN201284854Y (en) | 2008-10-10 | 2008-10-10 | Fireproof check valve for residential housing kitchen and bathroom exhaustion duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201284854Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295777A (en) * | 2014-07-28 | 2015-01-21 | 丁德厚 | Top-opening type limiting rotary check fire valve and intelligentization of range hood |
| CN109563941A (en) * | 2017-07-05 | 2019-04-02 | 日商·苏利维姆工业股份有限公司 | Angle-style check-valves |
-
2008
- 2008-10-10 CN CNU2008201342805U patent/CN201284854Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295777A (en) * | 2014-07-28 | 2015-01-21 | 丁德厚 | Top-opening type limiting rotary check fire valve and intelligentization of range hood |
| CN109563941A (en) * | 2017-07-05 | 2019-04-02 | 日商·苏利维姆工业股份有限公司 | Angle-style check-valves |
| CN109563941B (en) * | 2017-07-05 | 2020-03-27 | 日商·苏利维姆工业股份有限公司 | Angle check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20171010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |