CN210750976U - Fire-fighting fire-proof valve - Google Patents
Fire-fighting fire-proof valve Download PDFInfo
- Publication number
- CN210750976U CN210750976U CN201921798850.5U CN201921798850U CN210750976U CN 210750976 U CN210750976 U CN 210750976U CN 201921798850 U CN201921798850 U CN 201921798850U CN 210750976 U CN210750976 U CN 210750976U
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- China
- Prior art keywords
- plate
- bottom plate
- fire
- front plate
- square hole
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- 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.)
- Expired - Fee Related
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- 238000002844 melting Methods 0.000 claims abstract description 12
- 230000008018 melting Effects 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009423 ventilation Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012943 hotmelt Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of fire-fighting equipment, and discloses a fire-fighting fire damper, which comprises a top plate, a bottom plate, a front plate, a back plate and two side plates, wherein the top plate, the bottom plate, the front plate, the back plate and the two side plates form a cube; the front plate is hinged to the bottom plate, first supporting rods are hinged to the two sides of the first ventilating grooves in the inner side of the front plate, second supporting rods are hinged to the two sides of the second ventilating grooves in the inner side of the bottom plate, one end, far away from the front plate, of each first supporting rod is provided with a first square hole, one end, far away from the bottom plate, of each second supporting rod is provided with a second square hole, and a square hot melting block is arranged between each first square hole and each second square hole in a penetrating mode. The utility model discloses preventing conflagration tendril time delay, comparing prior art, can realizing the complete sealing of fire prevention valve, the fire prevention effect is better.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to a fire control fire prevention valve.
Background
The existing building is provided with a common exhaust duct, each layer of kitchen and toilet is communicated with the common exhaust duct respectively, for preventing foul air in the common exhaust duct from recharging, each kitchen and toilet are provided with check valves between the common exhaust duct, and meanwhile, in order to prevent other floors from causing fire, smoke and fire in the common exhaust duct are poured into the room, national standards also require that a fire valve is arranged at the part, when other rooms cause fire, the valve is automatically closed, and the fire is prevented from spreading. At present, a general fire damper adopts a mode that blades are rotated to be closed to realize closing, but the strength of the blades is low, the blades are easy to bend and deform in practical application, sealing and closing cannot be realized, and the fire-proof effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fire control fire prevention valve, when preventing conflagration tendril and delaying, compare prior art, can realize the complete sealing of fire prevention valve, the fire prevention effect is better.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a fire-fighting fire damper comprises a top plate, a bottom plate, a front plate, a rear plate and two side plates, wherein the top plate, the bottom plate, the front plate, the rear plate and the two side plates form a cube; the front plate is hinged to the bottom plate, a torsion spring is fixedly connected between the front plate and the bottom plate, first support rods are hinged to two sides of a first ventilation groove in the inner side of the front plate, second support rods are hinged to two sides of a second ventilation groove in the inner side of the bottom plate, a first square hole is formed in one end, away from the front plate, of each first support rod, a second square hole is formed in one end, away from the bottom plate, of each second support rod, and a square hot melting block is arranged between each first square hole and each second square hole in a penetrating mode. When the ventilation channel is normally used, gas in a room enters the fireproof valve through the second ventilation groove in the bottom plate, is discharged through the first ventilation groove in the front plate and enters the shared exhaust channel; when other rooms are in fire, if the fire in other rooms is spread, hot air flows back from the first ventilation groove and enters the fire damper, the hot melting temperature of hot melting blocks in the fire damper is set at 70 ℃, when the hot air reaches 70 ℃, the hot melting blocks are fused, the first supporting rod and the second supporting rod lose support for the front plate, the front plate rotates under the downward swinging rotating force of the first supporting rod and the reset acting force of the torsion spring, and is buckled with the bottom plate, and during buckling, a lug on the front plate is embedded into the second ventilation groove of the bottom plate, so that the second ventilation groove of the bottom plate is blocked, the hot air flow is prevented from spreading, and the fire is prevented from spreading.
Furthermore, the side of the two side plates and the side of the top plate close to the front plate are provided with stop blocks, and the front plate is abutted to the stop blocks. So, one limit of front bezel is articulated with the bottom plate, and three limits offset in the dog on two blocks of curb plates and roofs respectively in addition, recycle first bracing piece and second bracing piece and form the support to the front bezel for the front bezel is more firm under normal condition.
Furthermore, two every edge that the curb plate is close to back plate, roof and bottom plate all seted up first screw hole, all seted up on the side of back plate, roof and bottom plate with first screw hole complex second screw hole, threaded connection has the screw between first screw hole and the second screw hole. After the hot melt piece melts, reuse this fire prevention valve, can unpack the screw apart, take off the curb plate, then rotate the front bezel and get up perpendicular mutually with the bottom plate, reuse new square hot melt piece and insert the square hole of first bracing piece and second bracing piece, first bracing piece and second bracing piece form the support to the front bezel once more, use the screw fixation at the front bezel with the curb plate at last, can reuse.
Furthermore, a first groove for placing the first supporting rod is formed in the inner side of the front plate, and a second groove for placing the second supporting rod is formed in the inner side of the bottom plate. When the hot melt piece melts, when the front bezel overturns to the bottom plate, first bracing piece can enter into first recess, and the second bracing piece can enter into the second recess, so, the lock of front bezel and bottom plate is inseparabler just more, and the fire proofness is stronger.
Furthermore, hinges are fixedly connected between the first supporting rod and the front plate and between the second supporting rod and the bottom plate. The first supporting rod is hinged with the front plate through the hinge, and the second supporting rod is hinged with the bottom plate.
The utility model has the advantages that:
when the utility model is used normally, the first support rod, the second support rod and the hot melting block are utilized to realize the support of the front plate, and then the first ventilation groove and the second ventilation groove are utilized to ventilate; when the fire disaster is prevented from spreading, the second ventilating grooves on the bottom plate are sealed by the convex blocks of the front plate, so that the purpose of preventing the fire disaster from spreading is achieved, the whole fire protection process can realize complete sealing and closing, and the fire protection effect is good.
Drawings
FIG. 1 is a schematic structural view of a fire-fighting fire damper of the present invention;
FIG. 2 is a schematic view of the internal connection structure of the front plate and the bottom plate of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the first support rod and the second support rod in FIG. 2;
FIG. 4 is a schematic structural view of a first connecting rod, a second connecting rod, and a hot frit;
fig. 5 is a schematic plan view of the side plate.
The novel door frame comprises a top plate 1, a bottom plate 2, a front plate 3, a rear plate 4, a side plate 5, a first ventilation groove 6, a second ventilation groove 7, a convex block 8, a first hinge 9, a second hinge 10, a third hinge 11, a first supporting rod 12, a second supporting rod 13, a first square hole 14, a second square hole 15, a hot melting block 16, a stop block 17, a first threaded hole 18, a second threaded hole 19, a first groove 20, a second groove 21 and a torsion spring 22.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 5:
a fire-fighting valve comprises a top plate 1, a bottom plate 2, a front plate 3, a rear plate 4 and two side plates 5, wherein the top plate 1, the bottom plate 2, the front plate 3, the rear plate 4 and the two side plates 5 form a cube, one side, close to the front plate 3, of the two side plates 5 and the top plate 1 is integrally formed with a stop block 17, the front plate 3 abuts against the stop block 17, 7 first ventilation grooves 6 which are equidistantly and parallelly arranged are formed in the front plate 3, 6 second ventilation grooves 7 which are equidistantly and parallelly arranged are formed in the bottom plate 2, a bump 8 is welded between every two adjacent first ventilation grooves 6 on the inner wall of the front plate 3, the bump 8 is arranged in a matching manner with the second ventilation grooves 7, namely when the front plate 3 rotates to be buckled with the bottom plate 2, the bump 8 can be embedded into the second ventilation grooves 7, and complete sealing is formed on the second; front bezel 3 and bottom plate 2 are articulated through first hinge 9, and be equipped with torsional spring 22 between front bezel 3 and the bottom plate 2, in normal ventilation state, when front bezel 3 is perpendicular with bottom plate 2, torsional spring 22 is in the state of torsion, 3 inboard sides of front bezel in first ventilation groove 6 all articulate through second hinge 10 has first bracing piece 12, 2 inboard sides in second ventilation groove 7 of bottom plate all articulate through third hinge 11 has second bracing piece 13, first square hole 14 has been seted up to the one end that first bracing piece 12 kept away from front bezel 3, second quad slit 15 has been seted up to the one end that bottom plate 2 was kept away from to second bracing piece 13, wear to be equipped with square hot melt piece 16 between first square hole 14 and the second quad slit 15, the hot melt piece can use the wax stone about melting point 70 ℃.
Each edge of the two side plates 5, which is close to the rear plate 4, the top plate 1 and the bottom plate 2, is provided with a first threaded hole 18, the side edges of the rear plate 4, the top plate 1 and the bottom plate 2 are provided with second threaded holes 19 matched with the first threaded holes 18, and screws are connected between the first threaded holes 18 and the second threaded holes 19 in a threaded manner; a first groove 20 for placing the first support rod 12 is formed on the inner side of the front plate 3, and a second groove 21 for placing the second support rod 13 is formed on the inner side of the bottom plate 2.
The utility model discloses a use method as follows:
when the fire-proof valve is installed, the bottom plate 2 is connected with an air channel of a room, the front plate 3 is connected with a common exhaust channel, and when the air channel is normally used, air in the room enters the fire-proof valve through the second air channel 7 on the bottom plate 2 and then is exhausted through the first air channel 6 on the front plate 3 to enter the common exhaust channel.
When a fire disaster occurs in another room, if the fire behavior of the other room spreads, hot air reversely flows into the fire damper through the first ventilation slot 6, the hot melting temperature of the hot melting block 16 in the fire damper of the embodiment is set to 70 ℃, when the hot air reaches 70 ℃, the hot melting block 16 is melted, the first support rod 12 and the second support rod 13 lose support for the front plate 3, the front plate 3 rotates and is buckled with the bottom plate 2 under the swinging rotating force of the first support rod 12 swinging downwards and the resetting force of the torsion spring 22, and when the front plate 3 is buckled, the convex block 8 on the front plate 3 is embedded into the second ventilation slot 7 of the bottom plate 2 to block the second ventilation slot 7 of the bottom plate 2, so that the spread of the fire disaster is prevented.
After the heat-fused block 16 is fused, the fireproof valve is reused, the screws can be disassembled, the side plate 5 is taken down, the front plate 3 is rotated to be perpendicular to the bottom plate 2, the new square heat-fused block 16 is inserted into the square holes of the first supporting rod 12 and the second supporting rod 13, the first supporting rod 12 and the second supporting rod 13 support the front plate 3 again, and finally the side plate 5 is fixed on the front plate 3 through the screws and can be reused.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (5)
1. The utility model provides a fire control fire prevention valve which characterized in that: the ventilating structure comprises a top plate, a bottom plate, a front plate, a rear plate and two side plates, wherein the top plate, the bottom plate, the front plate, the rear plate and the two side plates form a cube; the front plate is hinged to the bottom plate, a torsion spring is fixedly connected between the front plate and the bottom plate, first support rods are hinged to two sides of a first ventilation groove in the inner side of the front plate, second support rods are hinged to two sides of a second ventilation groove in the inner side of the bottom plate, a first square hole is formed in one end, away from the front plate, of each first support rod, a second square hole is formed in one end, away from the bottom plate, of each second support rod, and a square hot melting block is arranged between each first square hole and each second square hole in a penetrating mode.
2. A fire protection valve as claimed in claim 1, wherein: and one sides of the two side plates and the top plate, which are close to the front plate, are provided with stop blocks, and the front plate is abutted against the stop blocks.
3. A fire protection valve as claimed in claim 2, wherein: two first screw holes are formed in each edge of the side plate close to the rear plate, the top plate and the bottom plate, second screw holes matched with the first screw holes are formed in the side edges of the rear plate, the top plate and the bottom plate, and screws are connected between the first screw holes and the second screw holes in a threaded mode.
4. A fire protection valve as claimed in claim 3, wherein: a first groove for placing the first supporting rod is formed in the inner side of the front plate, and a second groove for placing the second supporting rod is formed in the inner side of the bottom plate.
5. A fire protection valve as claimed in claim 4, wherein: hinges are fixedly connected between the first supporting rod and the front plate and between the second supporting rod and the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798850.5U CN210750976U (en) | 2019-10-24 | 2019-10-24 | Fire-fighting fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798850.5U CN210750976U (en) | 2019-10-24 | 2019-10-24 | Fire-fighting fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210750976U true CN210750976U (en) | 2020-06-16 |
Family
ID=71058747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798850.5U Expired - Fee Related CN210750976U (en) | 2019-10-24 | 2019-10-24 | Fire-fighting fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210750976U (en) |
-
2019
- 2019-10-24 CN CN201921798850.5U patent/CN210750976U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing HUAZHIGUANG Environmental Protection Technology Co.,Ltd. Assignor: Chongqing xiongji ventilation equipment Co.,Ltd. Contract record no.: X2021980015828 Denomination of utility model: A fire damper Granted publication date: 20200616 License type: Common License Record date: 20211229 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |