CN219975525U - Fireproof valve for smoke exhaust pipeline - Google Patents
Fireproof valve for smoke exhaust pipeline Download PDFInfo
- Publication number
- CN219975525U CN219975525U CN202321711777.XU CN202321711777U CN219975525U CN 219975525 U CN219975525 U CN 219975525U CN 202321711777 U CN202321711777 U CN 202321711777U CN 219975525 U CN219975525 U CN 219975525U
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- CN
- China
- Prior art keywords
- fire
- valve body
- sealing
- sleeve
- proof
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- 239000000779 smoke Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000002265 prevention Effects 0.000 claims description 12
- 239000011819 refractory material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007480 spreading Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model relates to the technical field of fire valves, and discloses a fire valve for a smoke exhaust pipeline, which comprises a fire valve body, wherein a sealing seat is bolted in the interior of the fire valve body and positioned in a connecting sleeve; according to the utility model, the sealing seat and the sealing frame are arranged in the valve body of the fire-proof valve body, after the fan blades in the valve body of the fire-proof valve body are closed, the fan blades are attached to the sealing frame on the sealing seat, the sealing frame can separate the gap between the fire-proof valve body and the fan blades, so that external smoke and fire are prevented from spreading through the gap, the fire-retarding effect is improved, the connecting groove is formed in the valve body of the fire-proof valve body, and the use of the extending sleeve is matched.
Description
Technical Field
The utility model relates to the technical field of fire protection valves, in particular to a fire protection valve for a smoke exhaust pipeline.
Background
The fire-proof valve is arranged on a pipeline of a ventilation and air-conditioning system, a return air system or a mechanical smoke discharging system, is in an open state at ordinary times, is closed when the temperature of smoke in a pipeline reaches a certain value in case of fire, can meet the requirements of smoke leakage and fire-proof integrity in a certain time, and plays a role in blocking smoke and fire.
An explosion-proof fire-proof valve, such as the application number CN 204739306U. The explosion-proof fire-proof valve comprises a valve body and an actuating mechanism arranged on the valve body, wherein the actuating mechanism is connected with a temperature fuse, a blade shaft is arranged in the valve body, blades are arranged on the blade shaft and are connected with a blade connecting rod through the blade shaft, the actuating mechanism is connected with the blade shaft, and an explosion-proof shell made of high-temperature ceramics is arranged outside the actuating mechanism; the blade is an explosion-proof blade made of calcium silicate fiber materials, and two ends of the blade are bent. The anti-explosion fireproof valve has reliable performance, has an anti-explosion function, and expands the application range of the fireproof valve; the anti-explosion blade is adopted, the smoke isolation and fire resistance effects are good, and the blade is not deformed under the long-time high temperature of a fire scene, so that smoke and air can be discharged and blown in the first time, and reliable guarantee is provided for fire fighting and disaster relief and life safety of people.
In summary, although the blade of the device can keep not deforming for a long time, there is a certain problem in use, for example, after the blade is installed inside the valve body, in order to ensure that the blade can normally rotate in the valve body, the size of the blade is generally slightly smaller than that of the valve body, and when the blade and the valve body are closed, a certain gap exists between the valve body and the blade, so that the fire-retarding effect is poor.
Disclosure of Invention
The utility model aims to provide a fire-proof valve for a smoke exhaust pipeline, which has the advantages of good sealing performance and convenient replacement, solves the problems that after the traditional blade is installed in a valve body, the blade is slightly smaller than the valve body in size in order to ensure that the blade can normally rotate in the valve body, a certain gap exists between the valve body and the blade after the blade and the valve body are closed, so that the fire-proof effect is poor, meanwhile, when the fire-proof valve is installed, the fire-proof valve is installed firstly, then fan pipelines are installed at the two ends of the fire-proof valve, if the fire-proof valve is damaged, a new fire-proof valve needs to be replaced timely, and when the fire-proof valve is replaced, the fire-proof valve needs to be detached from between the two pipelines, but because the fire-proof valve and the pipelines are closed together, the gap does not exist, the trouble is caused when the fire-proof valve is detached and the fan pipelines connected with the fire-proof valve are all detached together, and the working labor is greatly improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention valve for exhaust pipe, includes the fire prevention valve body, the inside of fire prevention valve body just is located the connecting sleeve bolt has the seal receptacle, the quantity of seal receptacle is four, two the bolt has sealed frame between the seal receptacle, sealed frame uses with the cooperation of the sealed flabellum on the fire prevention valve body, the connecting groove has been offered to the one end that just is located the connecting sleeve on the fire prevention valve body, the inside of connecting groove is provided with extension sleeve.
The utility model further provides that the other end of the connecting sleeve and the end of the extending sleeve, which is far away from the fireproof valve body, are both communicated with the fixing flange.
The technical scheme is adopted: the fire-proof valve is convenient to be communicated with an external fan pipeline.
The fire-proof valve is further characterized in that the fire-proof valve body is provided with the limiting bolt in threaded connection with the surface of the connecting sleeve, and the limiting bolt is matched with the extending sleeve for use.
The technical scheme is adopted: and limiting the extension sleeve.
The utility model is further characterized in that the inside of the connecting groove is symmetrically bolted with the sliding blocks, and the surface of the extension sleeve is symmetrically provided with sliding grooves matched with the sliding blocks.
The technical scheme is adopted: and limiting the extension sleeve.
The utility model further provides that the sealing seat and the sealing frame are made of refractory materials.
The technical scheme is adopted: the durability of the sealing seat and the sealing frame is improved.
The utility model is further characterized in that the surface of the fixing flange is provided with a threaded hole.
The technical scheme is adopted: the fixing flange and the external flange are conveniently connected together through threads.
Compared with the prior art, the utility model has the following beneficial effects:
according to the fire-proof valve, the sealing seat and the sealing frame are arranged in the valve body of the fire-proof valve body, after the fan blades in the valve body of the fire-proof valve body are closed, the fan blades are attached to the sealing frame on the sealing seat, and the sealing frame can separate gaps between the fire-proof valve body and the fan blades, so that external smoke and fire are prevented from spreading through the gaps, and the fire-proof effect is improved;
according to the utility model, the connecting groove is formed in the valve body of the fireproof valve body, and the connecting groove is matched with the use of the extension sleeve, so that when a new fireproof valve needs to be replaced, only the extension sleeve is required to be retracted into the connecting groove, the gap between the fireproof valve body and an external fan pipeline is improved, the fireproof valve is conveniently taken out from the space between the two fan pipelines, the new fireproof valve is conveniently replaced, and the replacement speed is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the structure of the present utility model;
FIG. 3 is a partial cross-sectional view of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 2;
fig. 5 is a partial structural cross-sectional view of the present utility model.
In the figure: 1. a fire protection valve body; 2. a sealing seat; 3. a sealing frame; 4. a connecting groove; 5. an extension sleeve; 6. a fixed flange; 7. a limit bolt; 8. a slide block; 9. and (3) a threaded hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 2, 3 and 5, a fire protection valve for a smoke exhaust pipeline includes a fire protection valve body 1, sealing seats 2 are bolted in the fire protection valve body 1 and are located in a connecting sleeve, the number of the sealing seats 2 is four, sealing frames 3 are bolted between the two sealing seats 2, the sealing frames 3 are matched with sealing blades on the fire protection valve body 1, the sealing seats 2 and the sealing frames 3 are made of fire-resistant materials, the durability of the sealing seats 2 and the sealing frames 3 is improved, the sealing seats 2 and the sealing frames 3 are installed in a valve body of the fire protection valve body 1, after fan blades in the valve body of the fire protection valve body 1 are closed, the fan blades of the fire protection valve body are attached to the sealing frames 3 on the sealing seats 2, and the sealing frames 3 can separate gaps between the fire protection valve body 1 and the fan blades, so that external smoke and fire protection is prevented from spreading through the gaps, and the fire protection effect is improved.
The use process is briefly described: after the fan blade in the valve body of the fire-proof valve body 1 is closed, the fan blade is attached to the sealing frame 3 on the sealing seat 2, and the sealing frame 3 can separate the gap between the fire-proof valve body 1 and the fan blade, so that external smoke and fire are prevented from spreading through the gap, and the fire-retarding effect is improved.
Example 2:
please refer to fig. 1, fig. 2, fig. 3 and fig. 4, a fire damper for a smoke exhaust pipe is disclosed, be provided with spread groove 4 is offered on fire damper body 1 and lie in the one end of connecting sleeve, the inside symmetry bolt of spread groove 4 has slider 8, and the spout that cooperates the use with slider 8 is offered to the surface symmetry of spread sleeve 5, it is spacing to spread sleeve 5, the inside of connecting groove 4 is provided with spread sleeve 5, fire damper body 1 is gone up and lie in the other end of connecting sleeve and the one end that spread sleeve 5 kept away from fire damper body 1 all communicate and have mounting flange 6, make things convenient for this fire damper to communicate with outside fan pipe, fire damper body 1 is gone up and lie in the surface threaded connection of connecting sleeve and have stop bolt 7, stop bolt 7 cooperates with spread sleeve 5 and uses, the surface of mounting flange 6 is offered threaded connection with outside flange together, through offer spread groove 4 above the valve body of fire damper body 1, the use of cooperation spread sleeve 5, when need change fire damper, only need spread sleeve 5 to the inside of connecting groove 4, it is improved to change from between two outside fan to take back the fire damper to the inside of connecting sleeve 1, and the speed between two more convenient change damper is improved, and the speed between two fire damper is changed from outside to take out.
The use process is briefly described: when new fire prevention valve needs to be replaced, the flange on the fixed flange 6 and the external fan pipeline is detached firstly, the extension sleeve 5 is only required to be retracted into the connecting groove 4, the gap between the fire prevention valve body 1 and the external fan pipeline is improved, the fire prevention valve is conveniently taken out from between the two fan pipelines, the new fire prevention valve is conveniently replaced, and the replacement speed is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A fire damper for a smoke exhaust duct, comprising a fire damper body (1), characterized in that: the fire prevention valve body (1) inside and be located connecting sleeve bolt have sealing seat (2), the quantity of sealing seat (2) is four, two bolt has sealing frame (3) between sealing seat (2), sealing frame (3) are used with sealing blade cooperation on fire prevention valve body (1), be provided with spread groove (4) on fire prevention valve body (1) and be located connecting sleeve's one end, the inside of spread groove (4) is provided with extension sleeve (5).
2. A fire damper for a smoke evacuation duct according to claim 1, wherein: the fire-proof valve body (1) is provided with a fixing flange (6) which is communicated with the other end of the connecting sleeve and one end of the extending sleeve (5) far away from the fire-proof valve body (1).
3. A fire damper for a smoke evacuation duct according to claim 1, wherein: the fire-proof valve is characterized in that a limiting bolt (7) is connected to the fire-proof valve body (1) and located on the surface of the connecting sleeve in a threaded mode, and the limiting bolt (7) is matched with the extending sleeve (5) in use.
4. A fire damper for a smoke evacuation duct according to claim 1, wherein: the inside symmetry bolt of spread groove (4) has slider (8), and the spout that cooperates with slider (8) to use is offered to the surface symmetry of extension sleeve (5).
5. A fire damper for a smoke evacuation duct according to claim 1, wherein: the sealing seat (2) and the sealing frame (3) are made of refractory materials.
6. A fire damper for a smoke evacuation duct according to claim 2, wherein: screw holes (9) are formed in the surface of the fixing flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321711777.XU CN219975525U (en) | 2023-07-03 | 2023-07-03 | Fireproof valve for smoke exhaust pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321711777.XU CN219975525U (en) | 2023-07-03 | 2023-07-03 | Fireproof valve for smoke exhaust pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975525U true CN219975525U (en) | 2023-11-07 |
Family
ID=88591981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321711777.XU Active CN219975525U (en) | 2023-07-03 | 2023-07-03 | Fireproof valve for smoke exhaust pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975525U (en) |
-
2023
- 2023-07-03 CN CN202321711777.XU patent/CN219975525U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |