CN219452993U - Fire prevention valve of fire control exhaust pipe - Google Patents
Fire prevention valve of fire control exhaust pipe Download PDFInfo
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- CN219452993U CN219452993U CN202320411452.3U CN202320411452U CN219452993U CN 219452993 U CN219452993 U CN 219452993U CN 202320411452 U CN202320411452 U CN 202320411452U CN 219452993 U CN219452993 U CN 219452993U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fire damper of a fire-fighting smoke exhaust pipeline, which belongs to the field of fire dampers, and comprises a fire damper body, wherein the front end of the fire damper body is provided with a filtering mechanism, the front end of the fire damper body is provided with the filtering mechanism, after the fire damper is installed on the front end of the fire damper body, larger impurities in smoke exhausted by the fire damper smoke exhaust pipeline body can be blocked through a grid plate at the front end inside the filtering pipeline, dust removing filter screens and oil smoke filter screens installed in a first filter frame and a second filter frame can be utilized to sequentially adsorb and filter smoke and oil dirt in the oil smoke, so that the smoke, the oil dirt and the impurities in the oil smoke can be prevented from entering the inside of the fire damper body, the tightness of the fire damper body during closing is ensured, and meanwhile, the ventilation requirement of the fire damper body can be ensured only by detaching the first filter frame and the second filter frame from the filtering pipeline to be cleaned.
Description
Technical Field
The utility model relates to the field of fire protection valves, in particular to a fire protection valve of a fire-fighting smoke exhaust pipeline.
Background
The fire damper is a valve form that is closed by gravity and the action of a spring mechanism, and is a temperature control of the memory alloy. The valve is also closed by using the deformation of the memory alloy in the new products. The function of the device is as follows: when the temperature of the smoke reaches 280 ℃, people are basically evacuated, smoke is exhausted without practical significance, and the smoke is burnt at the moment, and the valve is automatically closed to avoid the spread of fire.
In prior art, current fire damper is set up to open state and ventilates, owing to lack filtering structure on the fire damper, when the oil smoke is in exhaust pipe and when the fire damper is passed through to the fire damper, the fire damper is in the long-time back, smoke and dust, greasy dirt and impurity in the oil smoke pile up in the inside of fire damper easily, and smoke and dust and greasy dirt are attached to the blade of fire damper easily to can lead to the fire damper unable better leakproofness of guaranteeing when closing, and in order to ensure the normal use of fire damper, the staff is required to dismantle the fire damper and clear up, and the operation is got up comparatively loaded down with trivial details.
Disclosure of Invention
The utility model mainly aims to provide a fire-proof valve of a fire-proof smoke exhaust pipeline, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a fire control exhaust pipe's fire prevention valve, includes the fire prevention valve body, the front end of fire prevention valve body is equipped with filtering mechanism, and filtering mechanism includes filter tube, grid board, first filter frame, dust removal filter screen, second filter frame, oil smoke filter screen, dead lever, compression spring and L type installation pole, filter tube fixed connection is at the front end of fire prevention valve body, and grid board fixed connection is at filter tube's inside front end, first filter frame is through the draw-in groove fixed connection of upper and lower extreme in filter tube's inside and be located the rear of grid board, and dust removal filter screen fixed connection is in first filter frame's inside and be located the rear of first filter frame through the draw-in groove fixed connection of upper and lower extreme, and oil smoke filter screen fixed connection is in the inside of second filter frame, respectively fixedly connected with a set of dead lever of symmetry from top to bottom in the left side wall of first filter frame and second filter frame, and compression spring cover is established on the dead lever, L type installation pole passes through the connecting hole of top surface and fixed connection of L type filter screen and L type filter screen movable connection in the inside of filter tube, the bottom fixed connection of the fire control exhaust pipe still has at compression spring.
Preferably, the filter pipeline is fixedly arranged between the fire-proof valve body and the fire-proof smoke exhaust pipeline body, a group of clamping strips which are symmetrical front and back are respectively and fixedly arranged at the upper end and the lower end of the interior of the filter pipeline, a group of mounting ports which are symmetrical front and back are formed in the left side wall of the filter pipeline, and concave blocks are respectively and fixedly arranged at the upper end and the lower end of the left side wall of the filter pipeline, which are positioned at the mounting ports.
Preferably, the grid plate is fixedly installed at the inner front end of the filter pipeline.
Preferably, the upper and lower both ends of first filter frame and second filter frame have been seted up respectively and have been blocked the draw-in groove that the strip corresponds, the frame internal fixation of first filter frame has dust removal filter screen, and the frame internal fixation of second filter frame has the oil smoke filter screen, first filter frame and second filter frame insert through the mounting mouth respectively through the draw-in groove of upper and lower extreme and install in the filter pipeline between the upper and lower symmetrical card strip, and the second filter frame is located the rear of first filter frame.
Preferably, a group of vertical grooves which are vertically symmetrical are respectively formed in the left side walls of the first filter frame and the second filter frame, and sliding grooves are respectively formed in the two sides of the inner wall of each vertical groove.
Preferably, the dead lever fixed mounting is in vertical inslot, and compression spring suit is on the pole body of dead lever, the connecting hole has been seted up to the top surface of L type installation pole, and L type installation pole pass through connecting hole movable mounting and on the dead lever and fixed mounting is in compression spring's bottom, still fixed mounting has the slider respectively on the both sides lateral wall of L type installation pole, and slider movable mounting is in the spout, still fixed mounting has the holding rod on the left side wall of L type installation pole.
Compared with the prior art, the utility model has the following beneficial effects:
according to the fire-proof valve, the filtering mechanism is arranged at the front end of the fire-proof valve body, after the filtering pipeline is arranged at the front end of the fire-proof valve body, larger impurities in smoke exhausted from the fire-proof smoke exhaust pipeline body can be blocked through the grid plate at the front end of the inner part of the filtering pipeline, dust removal filter screens and oil smoke filter screens arranged in the first filter frame and the second filter frame can be utilized to sequentially adsorb and filter smoke and oil dirt in the oil smoke, so that the smoke dust, the oil dirt and the impurities in the oil smoke can be prevented from entering the fire-proof valve body, the tightness of the fire-proof valve body during closing is ensured, and meanwhile, the fire-proof valve body is not required to be disassembled and cleaned, and only the first filter frame and the second filter frame are required to be disassembled from the filtering pipeline to be cleaned so as to ensure the ventilation requirement of the fire-proof valve body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model in a disassembled form;
FIG. 3 is a schematic illustration of the structural disassembly of the filter mechanism of the present utility model;
fig. 4 is an enlarged view of the structure at a of fig. 3 according to the present utility model.
In the figure: 1. a fire protection valve body; 2. a filtering mechanism; 3. a fire smoke exhaust pipe body; 4. a filter tube; 5. clamping strips; 6. a mounting port; 7. a concave block; 8. a grid plate; 9. a first filter frame; 10. a dust removing filter screen; 11. a second filter frame; 12. a fume filter screen; 13. a clamping groove; 14. a vertical groove; 15. a chute; 16. a fixed rod; 17. a compression spring; 18. an L-shaped mounting rod; 19. a connection hole; 20. a slide block; 21. a grip.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a fire-proof valve of fire-fighting smoke exhaust pipeline, including fire-proof valve body 1, the front end of fire-proof valve body 1 is equipped with filter mechanism 2, and filter mechanism 2 includes filter pipeline 4, grid plate 8, first filter frame 9, dust removal filter screen 10, second filter frame 11, oil smoke filter screen 12, dead lever 16, compression spring 17 and L type installation pole 18, filter pipeline 4 fixed connection is at the front end of fire-proof valve body 1, and grid plate 8 fixed connection is at the inside front end of filter pipeline 4, first filter frame 9 is through the draw-in groove 13 fixed connection of upper and lower extreme in the inside of filter pipeline 4 and be located the rear of grid plate 8, and dust removal filter screen 10 fixed connection is in the inside of first filter frame 9, second filter frame 11 is also through the draw-in groove 13 fixed connection of upper and lower extreme in the inside of filter pipeline 4 and be located the rear of first filter frame 9, and oil smoke filter screen 12 fixed connection is at the inside of second filter frame 11, a set of upper and lower fixed connection is at the inside of filter frame 9, and compression spring 17 is installed at the compression spring sleeve 16 fixed connection 3 at the top surface of filter pipeline 16 and the fixed connection of L type installation pole 18 at the inside the left side wall of second filter frame 11 respectively.
As shown in fig. 1-4, in this embodiment, in order to filter smoke dust, greasy dirt and sundries in the oil smoke through the filtering mechanism 2, to avoid the influence of the oil smoke on the use of the fire damper body 1, the filtering pipeline 4 is fixedly installed between the fire damper body 1 and the fire smoke exhaust pipeline body 3, a group of clamping strips 5 which are symmetrical front and back are respectively and fixedly installed at the upper and lower ends of the inner part of the filtering pipeline 4, a group of mounting openings 6 which are symmetrical front and back are respectively and fixedly installed on the left side wall of the filtering pipeline 4, concave blocks 7 are respectively and fixedly installed at the upper and lower ends of the mounting openings 6, grid plates 8 are fixedly installed at the inner front end of the filtering pipeline 4, clamping grooves 13 corresponding to the clamping strips 5 are respectively and fixedly installed at the upper and lower ends of the first filtering frame 9 and the second filtering frame 11, dust removing filter screens 10 are fixedly installed in the frames of the first filtering frame 9, the oil smoke filter screen 12 is fixedly arranged in the second filter frame 11, the first filter frame 9 and the second filter frame 11 are respectively inserted and arranged between the clamping strips 5 which are vertically symmetrical in the filter pipeline 4 through the clamping grooves 13 at the upper end and the lower end through the mounting holes 6, the second filter frame 11 is positioned behind the first filter frame 9, a group of vertical grooves 14 which are vertically symmetrical are respectively arranged on the left side walls of the first filter frame 9 and the second filter frame 11, sliding grooves 15 are respectively arranged on the two sides of the inner wall of the vertical grooves 14, the fixing rods 16 are fixedly arranged in the vertical grooves 14, the compression springs 17 are sleeved on the rod bodies of the fixing rods 16, the top surfaces of the L-shaped mounting rods 18 are provided with connecting holes 19, the L-shaped mounting rods 18 are movably arranged on the fixing rods 16 through the connecting holes 19 and are fixedly arranged at the bottom ends of the compression springs 17, sliding blocks 20 are respectively and fixedly arranged on the side walls of the two sides of the L-shaped mounting rods 18, the sliding blocks 20 are movably arranged in the sliding grooves 15, the left side wall of the L-shaped mounting rod 18 is fixedly provided with a holding rod 21;
the specific operation of the filter mechanism 2 is as follows: when the filter pipe 4 is installed between the fire damper body 1 and the fire smoke exhaust pipe body 3, a group of holding rods 21 which are vertically symmetrical are manually pushed to the opposite directions outside the left side of the first filter frame 9, when the holding rods 21 are pushed, the holding rods 21 push the L-shaped mounting rods 18, the L-shaped mounting rods 18 move along the fixing rods 16 installed in the vertical grooves 14 formed on the left side wall of the first filter frame 9 through the connecting holes 19 formed on the top surface, the compression springs 17 sleeved on the fixing rods 16 are forced to retract, the L-shaped mounting rods 18 are continuously pushed to the inner side direction through the holding rods 21, the L-shaped mounting rods 18 which are vertically symmetrical are made to relatively move until the distance between the L-shaped mounting rods 18 is smaller than the distance between the vertically symmetrical concave blocks 7 installed on the left side wall of the filter pipe 4, and then, keeping the inward pushing force of the holding rod 21 unchanged, inserting and installing the first filter frame 9 into the filter pipeline 4 from the front installation opening 6 arranged on the left side wall of the filter pipeline 4 after the first filter frame 9 is lifted, aligning the clamping grooves 13 arranged at the upper and lower ends of the first filter frame 9 with the clamping bars 5 which are vertically symmetrical and are arranged in the filter pipeline 4 when the first filter frame 9 is inserted into the filter pipeline 4 through the installation opening 6, then completely pushing the first filter frame 9 into the filter pipeline 4, enabling the clamping bars 5 to be inserted into the grooves of the clamping grooves 13, then loosening the pushing force of the holding rod 21, at the moment, the L-shaped installation rod 18 loses the limiting force of the compression spring 17 sleeved on the fixed rod 16, and the compression spring 17 is restored to be stretched, at the moment, the L-shaped installation rod 18 which is vertically symmetrical on the left side wall of the first filter frame 9 is reversely moved, until the bottom end part of the L-shaped mounting rod 18 is inserted into the notch of the concave block 7 mounted at the upper end and the lower end of the mounting opening 6, so that when the first filter frame 9 is mounted in the filter pipeline 4 and is arranged behind the grid plate 8, the second filter frame 11 is fixedly mounted in the filter pipeline 4 through the mounting opening 6 at the left rear side of the filter pipeline 4 in the same way, when the oil smoke is discharged through the fire-fighting smoke pipeline body 3 and passes through the fire-proof valve body 1, the oil smoke passes through the filter pipeline 4 mounted at the front end of the fire-proof valve body 1, at this time, the grid plate 8 mounted at the front end of the inner part of the filter pipeline 4 stops the oil smoke or impurities entering the fire-fighting smoke pipeline body 3, and when the oil smoke passes through the grid plate 8 and enters the filter pipeline 4 and sequentially passes through the first filter frame 9 and the second filter frame 11 mounted in the filter pipeline 4, the dust 10 mounted in the first filter frame 9 is adsorbed and filtered, and the dust 12 mounted in the second filter frame is filtered, when the oil smoke 12 mounted in the second filter frame 11 is discharged through the fire-fighting smoke pipeline body 3 and passes through the fire-proof valve body 1, the oil smoke is further filtered, the oil smoke is not required to be removed from the filter frame 1, and the fire-proof valve body is removed from the fire-proof valve body 1, and the filter frame 1 is removed from the fire-proof valve body is removed, and the fire-proof valve 1 is removed, and the fire-proof valve is removed from the fire-proof valve body is removed, and the fire-proof valve is removed, and the fire-proof smoke is removed, and the fire-proof is removed, the fire-proof smoke is filtered, and the fire-dust is filtered and the fire-is filtered, and the fire-is filtered and filtered. The installation and the disassembly are simple and convenient.
The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.
Claims (6)
1. Fire prevention valve of fire control exhaust pipe way, including fire prevention valve body (1), its characterized in that: the front end of the fire-proof valve body (1) is provided with a filtering mechanism (2), the filtering mechanism (2) comprises a filtering pipeline (4), a grid plate (8), a first filtering frame (9), a dust removing filtering net (10), a second filtering frame (11), an oil smoke filtering net (12), a fixing rod (16), a compression spring (17) and an L-shaped mounting rod (18), the filtering pipeline (4) is fixedly connected to the front end of the fire-proof valve body (1), the grid plate (8) is fixedly connected to the front end of the inside of the filtering pipeline (4), the first filtering frame (9) is fixedly connected to the inside of the filtering pipeline (4) through clamping grooves (13) at the upper end and the lower end and is positioned at the rear of the first filtering frame (9), the first filtering frame (11) is fixedly connected to the inside of the second filtering net (11) through clamping grooves (13) at the upper end and the lower end and is positioned at the inside of the first filtering frame (9), the oil smoke filtering net (11) is fixedly connected to the first filtering frame (16) through clamping grooves (13) at the upper end and the lower end and is fixedly connected to the first filtering frame (16) through the first filtering frame (16) and the second filtering frame (16) at the inner side wall (16) which is fixedly connected to the first filtering frame (16), the L-shaped mounting rod (18) is movably connected with the fixing rod (16) through a connecting hole (19) on the top surface, the L-shaped mounting rod (18) is fixedly connected with the bottom end of the compression spring (17), and the front end of the filter pipeline (4) is fixedly connected with the fire-fighting smoke exhaust pipeline body (3).
2. A fire damper for a fire smoke evacuation duct according to claim 1, wherein: the fire-fighting smoke exhaust pipeline is characterized in that the filter pipeline (4) is fixedly arranged between the fire-fighting smoke exhaust pipeline body (3) and the fire-fighting smoke exhaust pipeline body (1), a group of clamping strips (5) which are symmetrical front and back are respectively and fixedly arranged at the upper end and the lower end of the interior of the filter pipeline (4), a group of mounting ports (6) which are symmetrical front and back are formed in the left side wall of the filter pipeline (4), and concave blocks (7) are respectively and fixedly arranged at the upper end and the lower end of the left side wall of the filter pipeline (4) and located at the mounting ports (6).
3. A fire damper for a fire smoke evacuation duct according to claim 2, wherein: the grid plate (8) is fixedly arranged at the front end of the interior of the filter pipeline (4).
4. A fire damper for a fire smoke evacuation duct according to claim 3, wherein: clamping grooves (13) corresponding to the clamping strips (5) are respectively formed in the upper end and the lower end of the first filter frame (9) and the second filter frame (11), a dust removing filter screen (10) is fixedly installed in the first filter frame (9), an oil smoke filter screen (12) is fixedly installed in the second filter frame (11), the first filter frame (9) and the second filter frame (11) are respectively inserted and installed between the clamping strips (5) which are vertically symmetrical in the filter pipeline (4) through the clamping grooves (13) at the upper end and the lower end, and the second filter frame (11) is located behind the first filter frame (9).
5. The fire damper for a fire smoke evacuation duct of claim 4, wherein: a group of vertical grooves (14) which are vertically symmetrical are respectively formed in the left side walls of the first filter frame (9) and the second filter frame (11), and sliding grooves (15) are respectively formed in the two sides of the inner wall of each vertical groove (14).
6. The fire damper for a fire smoke evacuation duct of claim 5, wherein: the utility model discloses a compression spring fixing device, including dead lever (16), compression spring (17), connecting hole (19) have been seted up to dead lever (16), and L type installation pole (18) are fixed mounting in dead lever (16) in vertical groove (14), and compression spring's (17) suit is on the shaft of dead lever (16), and L type installation pole (18) are fixed mounting on dead lever (16) and fixed mounting in compression spring's (17) bottom through connecting hole (19), still fixed mounting has slider (20) on the both sides lateral wall of L type installation pole (18) respectively, and slider (20) movable mounting is in spout (15), still fixed mounting has holding rod (21) on the left side wall of L type installation pole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320411452.3U CN219452993U (en) | 2023-03-07 | 2023-03-07 | Fire prevention valve of fire control exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320411452.3U CN219452993U (en) | 2023-03-07 | 2023-03-07 | Fire prevention valve of fire control exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219452993U true CN219452993U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320411452.3U Active CN219452993U (en) | 2023-03-07 | 2023-03-07 | Fire prevention valve of fire control exhaust pipe |
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| Country | Link |
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| CN (1) | CN219452993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792847A (en) * | 2023-08-21 | 2023-09-22 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
-
2023
- 2023-03-07 CN CN202320411452.3U patent/CN219452993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792847A (en) * | 2023-08-21 | 2023-09-22 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
| CN116792847B (en) * | 2023-08-21 | 2023-12-05 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
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