CN220082230U - Novel fire prevention valve - Google Patents
Novel fire prevention valve Download PDFInfo
- Publication number
- CN220082230U CN220082230U CN202321492236.2U CN202321492236U CN220082230U CN 220082230 U CN220082230 U CN 220082230U CN 202321492236 U CN202321492236 U CN 202321492236U CN 220082230 U CN220082230 U CN 220082230U
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- CN
- China
- Prior art keywords
- cavity
- rubber strip
- sealing rubber
- expansion
- fire
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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.)
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Links
- 230000002265 prevention Effects 0.000 title claims description 13
- 238000007789 sealing Methods 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 239000000779 smoke Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model provides a novel fire-proof valve, which comprises a fire-proof valve main body and a fire baffle plate arranged in the fire-proof valve main body; two cavities are formed in the fireproof plate, openings are formed in two sides of the fireproof plate, the two cavities are respectively communicated with the two openings, a limiting plate and a sealing rubber strip are arranged in the cavities, the sealing rubber strip is located at the position of the opening, an elastic piece connected with the inner wall of the cavity is mounted on one side, away from the sealing rubber strip, of the limiting plate, an expansion piece is arranged between the limiting plate and the sealing rubber strip, and the expansion piece is used for being heated to expand to eject the sealing rubber strip out of the opening. The utility model provides a novel fireproof valve, which solves the problem that the tightness of a fireproof plate is affected by loosening or aging of the fireproof plate possibly occurring in long-term use of the fireproof valve.
Description
Technical Field
The utility model relates to the technical field of fire valves, in particular to a novel fire valve.
Background
The fire damper is fire-proof equipment, which mainly comprises a frame body, a fire baffle plate, a valve transmission mechanism and a smoke detector, and mainly has the effects of cutting off or smoothening the circulation of air, smoke or flame by virtue of the closing or opening of the valve when a building fire disaster occurs, achieving the effect of fire prevention and isolation, reducing the speed and range of fire spreading, and being generally arranged at the positions of a ventilation pipeline and an air treatment system of the building;
the fire damper is a device for fire prevention isolation and control of fire spread, can be automatically closed under the invasion of fire, and ensures certain sealing performance, however, some existing fire dampers may have problems of loosening or aging of a fire baffle in long-term use, so that the sealing performance between the fire baffle and a frame is poor, and the fire prevention effect is affected.
In order to solve the above problems, the present utility model provides a novel fire protection valve.
Disclosure of Invention
Based on the technical problems in the background technology, the utility model provides a novel fireproof valve.
The utility model provides a novel fireproof valve, which comprises a fireproof valve main body and a fireproof plate arranged in the fireproof valve main body;
two cavities are formed in the fireproof plate, openings are formed in two sides of the fireproof plate, the two cavities are respectively communicated with the two openings, a limiting plate and a sealing rubber strip are arranged in the cavities, the sealing rubber strip is located at the position of the opening, an elastic piece connected with the inner wall of the cavity is mounted on one side, away from the sealing rubber strip, of the limiting plate, an expansion piece is arranged between the limiting plate and the sealing rubber strip, and the expansion piece is used for being heated to expand to eject the sealing rubber strip out of the opening.
Preferably, the expansion piece comprises an expansion bag, the expansion bag is arranged between the limiting plate and the sealing rubber strip, an expansion cavity is formed in the expansion bag, a plurality of holes communicated with the expansion cavity are formed in the periphery of the expansion bag, and graphite is filled in the expansion cavity.
Preferably, the elastic piece comprises a limit rod, a first spring and a push rod, an inserting cavity is formed in the inner wall of the fire baffle plate and communicated with the cavity, the limit rod is installed on one side, far away from the sealing rubber strip, of the limit plate and inserted into the inserting cavity, a sliding cavity is formed in the limit rod, the first spring is installed in the sliding cavity, the push rod is inserted into the sliding cavity and connected with the first spring, and one end, far away from the limit rod, of the push rod is connected with the inner wall of the inserting cavity.
Preferably, the device further comprises a second spring, wherein the second spring is arranged on the inner wall of the insertion cavity, and one end, away from the limiting rod, of the ejector rod is connected with the second spring.
Preferably, the number of the expansion bags is a plurality of the expansion bags, and the expansion bags are arranged between the limiting plate and the sealing rubber strip at intervals.
The technical scheme of the utility model has the following beneficial technical effects:
through joint strip, expansion member, the elastic component that set up, when high temperature flue gas gets into in the fire prevention valve main part, the accessible flame retardant coating blocks high temperature flue gas, under the effect of high temperature, can make the expansion member in the flame retardant coating be heated the inflation to can be outside the ejecting opening of joint strip, make joint strip paste tightly with the inner wall of fire prevention valve main part, and under the effect of elastic component, can make joint strip and the inner wall laminating of fire prevention valve main part inseparabler, this structure can compensate the flame retardant coating and appear not hard up or ageing condition, can make the sealing between flame retardant coating and the fire prevention valve main part better, improve the effect of fire prevention.
Drawings
Fig. 1 is a schematic structural diagram of a novel fire protection valve according to the present utility model.
Fig. 2 is a schematic structural view of a fire baffle plate in a novel fire damper according to the present utility model.
Fig. 3 is a schematic view of a partial structure of fig. 2 according to the present utility model.
Reference numerals: 1. a fire valve body; 2. a fire baffle; 3. a limiting plate; 4. a sealing rubber strip; 5. an expansion member; 51. an inflation bladder; 52. graphite; 6. an elastic member; 61. a limit rod; 62. a first spring; 63. a push rod; 64. and a second spring.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1-3, the novel fire-proof valve provided by the utility model comprises a fire-proof valve main body 1 and a fire-blocking plate 2 arranged in the fire-proof valve main body 1;
in this embodiment, two cavities are formed in the fire baffle plate 2, openings are formed in two sides of the fire baffle plate 2, the two openings are respectively communicated with the two cavities, a limiting plate 3 and a sealing rubber strip 4 are arranged in the cavities, and the sealing rubber strip 4 is located at the opening position. An elastic piece 6 connected with the inner wall of the cavity is arranged on one side of the limiting plate 3 away from the sealing rubber strip 4. The elastic piece 6 comprises a limiting rod 61, a first spring 62 and a push rod 63, the inner wall of the fire baffle 2 is provided with a cavity communicated with the cavity, the limiting rod 61 is installed on one side, far away from the sealing rubber strip 4, of the limiting plate 3 and inserted into the cavity, a sliding cavity is formed in the limiting rod 61, the first spring 62 is installed in the sliding cavity, the push rod 63 is inserted into the sliding cavity and connected with the first spring 62, and one end, far away from the limiting rod 61, of the push rod 63 is connected with the inner wall of the cavity. The second spring 64 is arranged on the inner wall of the insertion cavity, and one end of the ejector rod 63, which is far away from the limiting rod 61, is connected with the second spring 64.
In this embodiment, an expansion member 5 is disposed between the limiting plate 3 and the sealing rubber strip 4, and the expansion member 5 is used for ejecting the sealing rubber strip 4 out of the opening by thermal expansion. The expansion piece 5 comprises an expansion bag 51, the expansion bag 51 is arranged between the limiting plate 3 and the sealing rubber strip 4, an expansion cavity is formed in the expansion bag 51, a plurality of openings communicated with the expansion cavity are formed in the periphery of the expansion bag 51, and graphite 52 is filled in the expansion cavity.
It should be noted that:
when the fireproof valve is used, in order to improve the tightness between the fireproof plate 2 and the fireproof valve main body 1, when high-temperature smoke enters the fireproof valve main body 1, the high-temperature smoke can be blocked by the fireproof plate 2, graphite 52 in the expansion bag 51 can be heated and expanded under the action of high temperature, under the condition that the graphite 52 is expanded, the sealing rubber strip 4 is ejected out of an opening by the expansion bag 51, the sealing rubber strip 4 is tightly attached to the inner wall of the fireproof valve main body 1, when the graphite 52 is expanded, a limiting rod 61 on the limiting plate 3 can be moved in an inserting cavity, an acting force is applied to a second spring 64 through a push rod 63, under the reaction force of the second spring 64, the push rod 63 can be moved in a sliding cavity formed in the limiting rod 61, and an acting force is applied to a first spring 62, under the combined action of the first spring 62 and the second spring 64, the sealing rubber strip 4 can be attached to the inner wall of the fireproof valve main body 1 more tightly, the structure can compensate the loosening or aging condition of the fireproof plate 2, and the sealing effect between the fireproof plate 2 and the fireproof valve main body 1 can be better improved.
In a specific embodiment, the number of the expansion bags 51 is a plurality of the expansion bags 51, and the plurality of the expansion bags 51 are arranged between the limiting plate 3 and the sealing rubber strip 4 at intervals. Since the number of the inflation bags 51 is several, the strength of inflation can be improved.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (5)
1. The utility model provides a novel fire prevention valve, includes fire prevention valve body (1) and installs flame retardant coating (2) in fire prevention valve body (1), its characterized in that:
two cavities are formed in the fire baffle (2) and openings are formed in two sides of the fire baffle (2), the two cavities are respectively communicated with the two cavities, a limiting plate (3) and a sealing rubber strip (4) are arranged in the cavities, the sealing rubber strip (4) is located at the position of the opening, an elastic piece (6) connected with the inner wall of the cavity is arranged on one side, away from the sealing rubber strip (4), of the limiting plate (3), an expansion piece (5) is arranged between the limiting plate (3) and the sealing rubber strip (4), and the expansion piece (5) is used for being heated to expand to eject the sealing rubber strip (4) out of the opening.
2. The novel fireproof valve according to claim 1, wherein the expansion piece (5) comprises an expansion bag (51), the expansion bag (51) is arranged between the limiting plate (3) and the sealing rubber strip (4), an expansion cavity is formed in the expansion bag (51), a plurality of openings communicated with the expansion cavity are formed in the periphery of the expansion bag (51), and graphite (52) is filled in the expansion cavity.
3. The novel fireproof valve according to claim 2, wherein the elastic piece (6) comprises a limiting rod (61), a first spring (62) and a push rod (63), an inner wall of the fire baffle plate (2) is provided with a cavity communicated with the cavity, the limiting rod (61) is installed on one side, far away from the sealing rubber strip (4), of the limiting plate (3) and is inserted into the cavity, a sliding cavity is formed in the limiting rod (61) and the first spring (62) is installed in the sliding cavity, the push rod (63) is inserted into the sliding cavity and connected with the first spring (62), and one end, far away from the limiting rod (61), of the push rod (63) is connected with the inner wall of the cavity.
4. A new fire protection valve according to claim 3, further comprising a second spring (64), wherein the second spring (64) is mounted on the inner wall of the insertion cavity, and the end of the ejector rod (63) away from the limit rod (61) is connected with the second spring (64).
5. The novel fireproof valve according to claim 2, wherein the number of the expansion bags (51) is a plurality, and the expansion bags (51) are arranged between the limiting plate (3) and the sealing rubber strip (4) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492236.2U CN220082230U (en) | 2023-06-12 | 2023-06-12 | Novel fire prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492236.2U CN220082230U (en) | 2023-06-12 | 2023-06-12 | Novel fire prevention valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082230U true CN220082230U (en) | 2023-11-24 |
Family
ID=88830966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321492236.2U Active CN220082230U (en) | 2023-06-12 | 2023-06-12 | Novel fire prevention valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082230U (en) |
-
2023
- 2023-06-12 CN CN202321492236.2U patent/CN220082230U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |