CN112431534B - Smoke-isolating fireproof door - Google Patents
Smoke-isolating fireproof door Download PDFInfo
- Publication number
- CN112431534B CN112431534B CN202011310104.4A CN202011310104A CN112431534B CN 112431534 B CN112431534 B CN 112431534B CN 202011310104 A CN202011310104 A CN 202011310104A CN 112431534 B CN112431534 B CN 112431534B
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- Prior art keywords
- door
- block
- air outlet
- filter screen
- smoke
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/167—Devices blocking doors or windows inside its frame in case of fire
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/168—Shape of edges of wing and/or its frame specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a smoke-isolating fireproof door, which comprises a door plate and a door frame, wherein a concave part is arranged at the edge of the door plate, a plugging block used for sealing a gap between the door plate and the door frame is arranged at the edge of the door plate, a filter screen used for filtering smoke generated in a fire disaster is arranged in the door frame, a low-pressure water tank is also arranged in the door plate, an air bag is arranged on the surface of the plugging block, the low-pressure water tank is communicated with the air bag, an outer steam moving ring and an inner steam moving ring can be formed in the concave part of the door plate by steam formed by the low-pressure water tank, and a certain blocking effect is played on the smoke.
Description
Technical Field
The invention relates to the technical field of fireproof doors, in particular to a smoke-isolating fireproof door.
Background
A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. The fireproof door has the functions of a common door, has the functions of preventing the fire from spreading and the smoke from diffusing, and can prevent the fire from spreading within a certain time to ensure the evacuation of people. Present prevent fire door all uses fire-proof material basically, has better fire prevention function, prevents fire door in case close, can effectively block the intensity of a fire and stretch, but prevents that fire door's door plant and door frame junction have a gap, and the flue gas that produces in the conflagration can circulate from the gap between door plant and the door frame, gets into the safe side of preventing fire door, breathes the personnel safety who prevents fire door safe side and causes the threat, consequently prevents that fire door separates the cigarette performance and remains the improvement.
Disclosure of Invention
The invention aims to solve the problem that smoke generated in a fire disaster in the prior art can circulate from a gap between a door plate and a door frame, and provides a smoke-isolating fireproof door which can improve the tightness of the gap between the door plate and the door frame and isolate the smoke.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a separate cigarette and prevent fire door, includes door plant and door frame, the edge of door plant sets up the depressed part, the material of door plant and door frame is fire-proof material.
Further, the inside of door plant sets up low pressure water tank, the passageway of exerting pressure, goes up sprue and side sprue, the inlet end and the low pressure water tank intercommunication of the passageway of exerting pressure, the passageway of exerting pressure is located the end of giving vent to anger at door plant top and sets up the upper groove that holds the sprue, the end of giving vent to anger that the passageway of exerting pressure is located the door plant side sets up the side groove that holds the side sprue, the door frame sets up the seal groove of n type in the opposite of door plant, the seal groove is corresponding with the end groove position and the shape of giving vent to anger of the passageway, the passageway setting of exerting pressure is used for respectively will go up sprue and side sprue and push the elastic component of seal groove and will go up sprue and limit the locating part of sprue and side sprue in the passageway discharge end recess of exerting pressure.
Specifically, set up the vertical upward pressure spring of axis between the lower extreme of going up the sprue and the door plant, the top of sprue sets up the horizontally limiting plate of axis, set up the horizontally side pressure spring of axis between one side of side sprue and the door plant, the opposite side of side sprue sets up the horizontally limiting plate of another axis.
The limiting plate is spliced with the door plate, the limiting plate is extracted, the limitation to the upper plugging block or the side plugging block can be cancelled, the upper compression spring can push the upper plugging block into the sealing groove in the door frame, the side compression spring can push the side plugging block into the sealing groove in the door frame, the gap between the door plate and the door frame is sealed, and the circulation of smoke in fire is reduced.
Further, the inside setting of door frame respectively with door frame sliding connection's top briquetting, go up filter screen and side filter screen, the lower extreme of top briquetting is located the seal groove, set up the vertical spring that pushes down of axis between the upper end of top briquetting and the door frame, set up between top briquetting and the last filter screen and be used for driving the subassembly that drives on that the filter screen got into the depressed part, it drives the subassembly to set up the side that is used for driving the side filter screen and gets into the depressed part between top briquetting and the side filter screen. The upper filter screen and the side filter screens can form filter layers at the concave parts of the door panels to filter smoke generated in fire.
The edges of the upper filter screen and the side filter screen are matched with each other, and when the upper filter screen and the side filter screen are both positioned in the concave part of the door panel, the concave part of the door panel can be completely covered.
Specifically, the upper driving assembly comprises a rocker and a rotary base, one end of the rocker is hinged to the jacking block, the other end of the rocker is hinged to the filter screen, the part between the rotary base and the two ends of the rocker is close to the jacking block and is in side rotary connection, the two sides of the rotating point of the rocker are provided with telescopic rods, and the upper filter screen is in vertical sliding connection with the door frame. When the upper plugging block enters the sealing groove, the upper driving assembly can be started, the top pressing block is upwards pushed by the upper plugging block, the upper filter screen moves downwards through the rotation of the rocker, and enters the concave part at the top of the door plate to form a filter layer at the concave part at the top of the door plate.
Further, the subassembly is driven to side includes extension rod, pull rod and slider, the one end fixed connection top briquetting of extension rod, the articulated slider of the other end of extension rod, the one end of the articulated pull rod of slider, the other end fixed connection side filter screen of pull rod, slider and door frame are at vertical direction sliding connection, side filter screen and door frame are at horizontal direction sliding connection. Get into the seal groove and can start the side and drive the subassembly when last sprue, push up the briquetting and by last sprue up promotion, drive the slider through the extension rod and up move, slider pulling pull rod for the side filter screen is toward the direction removal near the door plant, gets into the depressed part of door plant both sides, forms the one deck filter layer in the depressed part department of door plant both sides.
As a preferred scheme, the upper plugging block is arranged in a hollow manner, the surface of the upper plugging block is provided with an air bag, the upper plugging block is provided with a through hole for communicating the air bag with the inner cavity of the upper plugging block, and the bottom of the upper plugging block is provided with a one-way air inlet valve for communicating the inner cavity of the upper plugging block with a pressure applying channel. In this preferred scheme, the steam that forms in the low pressure water tank can get into the gasbag, makes the gasbag fuller, strengthens the sealed effect in the gap between door plant and the door frame.
As an optimal scheme, the inside of door plant still sets up air-blowing channel, steam limit chamber is located the door plant edge, steam limit chamber passes through air-blowing channel intercommunication with the low pressure water tank, the door plant sets up round air outlet in going out gas pocket and round on the wall of depressed part department, goes out the gas pocket and sets up with interior gas outlet all slope, interior gas outlet compares in going out the gas pocket and more is close to the depressed part bottom, interior gas outlet aperture is greater than the aperture of going out the gas pocket, steam limit chamber is through going out gas pocket and interior gas outlet and sunken intercommunication.
In the invention, a one-way valve is arranged between two ends of the air blowing channel, and water vapor flows from the low-pressure water tank to the steam side cavity by the one-way valve, so that the steam is prevented from flowing backwards.
According to the invention, water is contained in the low-pressure water tank, after a fire disaster occurs, the temperature of the external environment rises, so that the water in the low-pressure water tank is boiled and evaporated to form water vapor, the water vapor enters the vapor side cavity through the air blowing channel and goes out of the outer air outlet and the inner air outlet, two outer and inner vapor flow rings are formed in the concave part of the door plate, the two vapor flow rings are positioned at the gap between the door plate and the door frame, and the two vapor flow rings can play a certain role in blocking smoke. Because the aperture of the inner air outlet is larger than that of the outer air outlet, the flow velocity of the outer steam flowing ring corresponding to the outer air outlet is larger than that of the inner steam flowing ring corresponding to the inner air outlet, the steam of the inner steam flowing ring has the tendency of entering the outer steam flowing ring, the steam of the outer steam flowing ring is prevented from entering the inner steam flowing ring, and the flue gas blocking effect is better.
The invention has the beneficial effects that:
1. the smoke-isolating fireproof door is used for preventing fire and isolating smoke, the edge of the door panel is provided with the blocking block to seal a gap between the door panel and the door frame, so that the circulation of smoke in fire is reduced, and meanwhile, the filter screen is arranged in the door frame to filter smoke generated in the fire, so that the influence of the smoke on the other side of the door is reduced;
2. the low-pressure water tank is arranged in the smoke-isolating fireproof door, the air bag is arranged on the surface of the blocking block, the door plate can fully utilize the heat energy of fire, the steam formed by absorbing the heat of the door plate by the water in the low-pressure water tank can enter the air bag, so that the air bag is fuller, and the sealing effect of a gap between the door plate and a door frame is enhanced;
3. the steam that this smoke insulation prevents fire door inside low pressure water tank in water absorption door plant heat formed forms two outer, inside steam flow movable coil at the depressed part of door plant, plays certain separation effect to the flue gas, and the steam of interior steam flow movable coil has the tendency that gets into outer steam flow movable coil, prevents that the steam of outer steam flow movable coil from getting into interior steam flow movable coil, and is better to flue gas separation effect.
To sum up, this separate cigarette and prevent fire door can carry out the sealed and choked flow of flue gas to gap department between door plant and the door frame, promotes the flue gas separation effect of preventing fire door, has the positive effect to the personnel's at the scene of fire breathing safety.
Drawings
FIG. 1 is a schematic view of the exterior of the front side of the present smoke rated fire rated door;
FIG. 2 is a schematic view of the top side of a door panel (with the filter screen not in use) of the present smoke rated fire rated door;
FIG. 3 is a schematic cross-sectional view of a layer of a door panel block of the smoke barrier fire door;
FIG. 4 is a schematic view of the present smoke barrier fire door at the location of the door frame side drive assembly;
FIG. 5 is a schematic view of the top side of the door panel (with the filter screen deployed) of the present smoke rated fire door;
FIG. 6 is a diagram showing the position of a filter net on a door frame of the smoke-proof and fire-proof door;
FIG. 7 is a schematic view of a top block of the present smoke rated fire rated door;
FIG. 8 is a sectional view of the door panel of the present smoke barrier fire door.
In the figure: 1. a door panel; 2. a door frame; 3. a recessed portion; 11. a low pressure water tank; 12. an air blowing passage; 13. a one-way valve; 14. a steam side cavity; 141. an air outlet hole; 142. an inner air outlet hole; 15. a pressure applying channel; 16. pressing the spring upwards; 17. an upper plugging block; 171. a one-way intake valve; 172. an air bag; 18. a limiting plate; 19. a side block; 21. a sealing groove; 22. pressing the block; 23. pressing down the spring; 24. a rocker; 241. a telescopic rod; 25. rotating the base; 26. a filter screen is arranged; 27. a side filter screen; 28. an extension rod; 29. a pull rod; 210. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, a smoke-proof fireproof door comprises a door panel 1 and a door frame 2, wherein a concave part 3 is arranged on the edge of the door panel 1, and the door panel 1 and the door frame 2 are made of fireproof materials.
Further, refer to fig. 2 and 3, the inside of door plant 1 sets up low pressure water tank 11, channel 15, goes up sprue 17 and side sprue 19 exert pressure, the inlet end and the low pressure water tank 11 intercommunication of channel 15 exert pressure, the end of giving vent to anger that channel 15 is located door plant 1 top sets up the last recess that holds sprue 17 of exerting pressure, the end of giving vent to anger that channel 15 is located door plant 1 side sets up the side recess that holds side sprue 19 of giving vent to anger, door frame 2 sets up n type seal groove 21 in the opposite face with door plant 1, seal groove 21 is corresponding with the end recess position and shape of giving vent to anger of channel 15 of exerting pressure, channel 15 sets up and is used for respectively going up sprue 17 and side sprue 19 and pushing into the elastic component of seal groove 21 and will go up sprue 17 and side sprue 19 and restrict the locating part in channel 15 discharge end recess of exerting pressure.
In this embodiment, an upper compression spring 16 with a vertical axis is arranged between the lower end of the upper blocking block 17 and the door panel 1, a limiting plate 8 with a horizontal axis is arranged above the blocking block 17, a lateral compression spring with a horizontal axis is arranged between one side of the lateral blocking block 19 and the door panel 1, and another limiting plate 8 with a horizontal axis is arranged on the other side of the lateral blocking block 19.
In this embodiment, above-mentioned limiting plate 8 is pegged graft with door plant 1, extracts limiting plate 8, can cancel the spacing to last sprue 17 or side sprue 19, goes up compression spring 16 and can push up sprue 17 and push into the seal groove 21 in door frame 2, and side compression spring can push side sprue 19 into the seal groove 21 in door frame 2, seals the gap between door plant 1 and the door frame 2, reduces the circulation of the flue gas in the conflagration.
Example 2
Different from embodiment 1, in this embodiment, referring to fig. 2, 5, and 6, a top pressing block 22, an upper filter screen 26, and a side filter screen 27, which are respectively slidably connected to the door frame 2, are disposed inside the door frame 2, a lower end of the top pressing block 22 is located in the sealing groove 21, a downward pressing spring 23, of which the axis is vertical, is disposed between an upper end of the top pressing block 22 and the door frame 2, an upward driving component for driving the upper filter screen 26 to enter the recess 3 is disposed between the top pressing block 22 and the upper filter screen 26, and a side driving component for driving the side filter screen 27 to enter the recess 3 is disposed between the top pressing block 22 and the side filter screen 27. The upper filter screen 26 and the side filter screen 27 can further form a filter layer on the concave part 3 of the door panel 1 to filter smoke generated in a fire.
Specifically, referring to fig. 2 and 5, the upper driving assembly includes a rocker 24 and a rotating base 25, one end of the rocker 24 is hinged to the top pressing block 22, the other end of the rocker 24 is hinged to the filter screen 26, the rotating base 25 is rotatably connected to the side, close to the top pressing block 22, of the portion between the two ends of the rocker 24, telescopic rods 241 are arranged on the two sides of the rotating point of the rocker 24, and the upper filter screen 26 is connected with the door frame 2 in a sliding mode in the vertical direction. When the upper blocking block 17 enters the sealing groove 21, the upper driving component can be started, the jacking block 22 is upwards pushed by the upper blocking block 17, the upper filter screen 26 moves downwards through the rotation of the rocker 24 and enters the concave part 3 at the top of the door plate 1, and a layer of filter layer is formed at the concave part 3 at the top of the door plate 1.
Further, referring to fig. 4, the side driving assembly includes an extension rod 28, a pull rod 29 and a slider 210, one end of the extension rod 28 is fixedly connected with the top pressing block 22, the other end of the extension rod 28 is hinged to the slider 210, the slider 210 is hinged to one end of the pull rod 29, the other end of the pull rod 29 is fixedly connected with the side filter screen 27, the slider 210 is connected with the door frame 2 in a vertical sliding manner, and the side filter screen 27 is connected with the door frame 2 in a horizontal sliding manner. When the upper blocking block 17 enters the sealing groove 21, the side driving component can be started, the top pressing block 22 is pushed upwards by the upper blocking block 17, the extending rod 28 drives the sliding block 210 to move upwards, the sliding block 210 pulls the pull rod 29, so that the side filtering net 27 moves towards the direction close to the door plate 1 and enters the concave parts 3 at the two sides of the door plate 1, and one layer of filtering layer is formed at the concave parts 3 at the two sides of the door plate 1.
Referring to fig. 6, the edges of the upper filter screen 26 and the side filter screen 27 in this embodiment are matched with each other, and when the upper filter screen 26 and the side filter screen 27 are both located in the concave portion 3 of the door panel 1, the concave portion 3 of the door panel 1 can be completely covered, smoke is filtered, and the influence of the smoke on the other side of the door is reduced.
Example 3
Referring to fig. 2 and 7, different from embodiment 2, the upper blocking piece 17 in this embodiment is hollow, the air bag 172 is disposed on the surface of the upper blocking piece 17, a through hole for communicating the air bag 172 with the inner cavity of the upper blocking piece 17 is formed on the upper blocking piece 17, and the one-way air intake valve 171 for communicating the inner cavity of the upper blocking piece 17 with the pressure applying passage 15 is disposed at the bottom of the upper blocking piece 17. In the preferred scheme, the door panel 1 can fully utilize the heat energy of fire, and the steam formed in the low-pressure water tank 11 can enter the air bag 172, so that the air bag 172 is fuller, and the sealing effect of the gap between the door panel 1 and the door frame 2 is enhanced.
Example 4
Referring to fig. 2 and 8, what is different from embodiment 3 is that the inside of the door panel 1 is further provided with a blowing channel 12 and a steam side cavity 14, the steam side cavity 14 is located at the edge of the door panel 1, the steam side cavity 14 is communicated with the low-pressure water tank 11 through the blowing channel 12, the door panel 1 is provided with a circle of air outlet 141 and a circle of inner air outlet 142 on the wall of the recess 3, the air outlet 141 and the inner air outlet 142 are both obliquely arranged, the inner air outlet 142 is closer to the bottom of the recess 3 than the air outlet 141, the aperture of the inner air outlet 142 is larger than that of the air outlet 141, and the steam side cavity 14 is communicated with the recess 3 through the air outlet 141 and the inner air outlet 142.
In this embodiment, a check valve 13 is disposed between two ends of the air blowing channel 12, and the check valve 13 allows water vapor to flow from the low pressure water tank 11 to the steam side cavity 14, thereby preventing the steam from flowing backwards.
In this embodiment, the low pressure water tank 11 contains water, after a fire occurs, the temperature of the external environment rises, the door panel 1 can fully utilize the heat energy of the fire, so that the water in the low pressure water tank 11 boils and evaporates to form water vapor, the water vapor enters the steam side cavity 14 through the air blowing channel 12 and goes out from the air outlet 141 and the inner air outlet 142, the concave part 3 of the door panel 1 forms two outer and inner steam flow coils, the two steam flow coils are located at the gap between the door panel 1 and the door frame 2, and the two steam flow coils can play a certain role in blocking the smoke. Because the aperture of the inner air outlet 142 is larger than that of the outer air outlet 141, and the flow velocity of the outer steam flowing ring corresponding to the outer air outlet 141 is larger than that of the inner steam flowing ring corresponding to the inner air outlet 141, the steam of the inner steam flowing ring has a tendency to enter the outer steam flowing ring, the steam of the outer steam flowing ring is prevented from entering the inner steam flowing ring, and the flue gas blocking effect is better. Meanwhile, steam formed in the low-pressure water tank 11 can enter the air bag 172, so that the air bag 172 is full, and the sealing effect of a gap between the door plate 1 and the door frame 2 is enhanced.
The fire door prevents that separates cigarette in this embodiment can carry out the sealed and the choked flow of flue gas to gap department between door plant and the door frame, promotes the flue gas separation effect of preventing fire door, has the positive effect to the personnel's of scene of fire breathing safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A smoke-proof fireproof door is characterized by comprising a door plate (1) and a door frame (2), wherein a concave part (3) is arranged on the edge of the door plate (1);
the door panel (1) is internally provided with a low-pressure water tank (11), an air blowing channel (12), a steam side cavity (14), a pressing channel (15), an upper plugging block (17) and a side plugging block (19), the steam side cavity (14) is positioned at the edge of the door panel (1), the steam side cavity (14) is communicated with the low-pressure water tank (11) through an air blowing channel (12), the wall of the door panel (1) at the concave part (3) is provided with a circle of air outlet holes (141) and a circle of air outlet holes (142), the air outlet holes (141) and the air outlet holes (142) are obliquely arranged, the inner air outlet hole (142) is closer to the bottom of the concave part (3) than the outer air outlet hole (141), the aperture of the inner air outlet (142) is larger than that of the outer air outlet (141), and the steam side cavity (14) is communicated with the concave part (3) through the outer air outlet (141) and the inner air outlet (142);
the air inlet end of the pressure applying channel (15) is communicated with the low-pressure water tank (11), the air outlet end of the pressure applying channel (15) positioned at the top of the door panel (1) is provided with an upper groove for accommodating the upper plugging block (17), the air outlet end of the pressure applying channel (15) positioned at the side surface of the door panel (1) is provided with a side groove for accommodating the side plugging block (19), the door frame (2) is provided with an n-shaped sealing groove (21) on the opposite surface of the door panel (1), the sealing groove (21) corresponds to the position and the shape of the air outlet end groove of the pressure applying channel (15), and the pressure applying channel (15) is provided with an elastic piece for pushing the upper plugging block (17) and the side plugging block (19) into the sealing groove (21) and a limiting piece for limiting the upper plugging block (17) and the side plugging block (19) to the discharge end groove of the pressure applying channel (15);
the inside of door frame (2) set up respectively with door frame (2) sliding connection's top briquetting (22), go up filter screen (26) and side filter screen (27), the lower extreme of top briquetting (22) is located seal groove (21), set up the vertical push down spring (23) of axis between the upper end of top briquetting (22) and door frame (2), set up between top briquetting (22) and last filter screen (26) and be used for driving the last subassembly that drives that filter screen (26) got into depressed part (3), set up between top briquetting (22) and side filter screen (27) and be used for driving the side that side filter screen (27) got into depressed part (3) and drive the subassembly.
2. The smoke-isolating fire door as claimed in claim 1, wherein the upper driving assembly comprises a rocker (24) and a rotating base (25), one end of the rocker (24) is hinged to the top pressing block (22), the other end of the rocker (24) is hinged to the upper filter screen (26), the rotating base (25) and the two ends of the rocker (24) are connected in a rotating mode, the side close to the top pressing block (22) is located at the part between the two ends of the rocker (24), the two sides of the rotating point of the rocker (24) are provided with telescopic rods (241), and the upper filter screen (26) is connected with the door frame (2) in a sliding mode in the vertical direction.
3. A smoke-insulating fire door as claimed in claim 1, characterized in that said side driving assembly comprises an extension rod (28), a pull rod (29) and a slide block (210), one end of said extension rod (28) is fixedly connected with a top press block (22), the other end of said extension rod (28) is hinged with said slide block (210), said slide block (210) is hinged with one end of said pull rod (29), the other end of said pull rod (29) is fixedly connected with a side filter screen (27), said slide block (210) is slidably connected with said door frame (2) in vertical direction, said side filter screen (27) is slidably connected with said door frame (2) in horizontal direction.
4. A smoke-isolating fire door according to claim 1, characterized in that said upper block (17) is hollow, said upper block (17) has an air bag (172) on its surface, said upper block (17) has a through hole communicating said air bag (172) with the inner cavity of said upper block (17), said upper block (17) has a one-way air intake valve (171) at its bottom communicating said inner cavity of said upper block (17) with said pressure channel (15).
5. A smoke-insulating fire door according to claim 1 or 4, characterized in that an upper compression spring (16) with a vertical axis is arranged between the lower end of the upper block (17) and the door panel (1), a limiting plate (18) with a horizontal axis is arranged above the upper block (17), a side compression spring with a horizontal axis is arranged between one side of the side block (19) and the door panel (1), and another limiting plate (18) with a horizontal axis is arranged on the other side of the side block (19).
6. A smoke-insulating and fire-proof door according to claim 5, characterised in that a one-way valve (13) is arranged between the two ends of said air-blowing channel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310104.4A CN112431534B (en) | 2020-11-20 | 2020-11-20 | Smoke-isolating fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310104.4A CN112431534B (en) | 2020-11-20 | 2020-11-20 | Smoke-isolating fireproof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112431534A CN112431534A (en) | 2021-03-02 |
| CN112431534B true CN112431534B (en) | 2021-08-10 |
Family
ID=74693118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011310104.4A Active CN112431534B (en) | 2020-11-20 | 2020-11-20 | Smoke-isolating fireproof door |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115405207B (en) * | 2022-08-22 | 2023-10-03 | 南通金亿达门业有限公司 | Fireproof flame-retardant indoor multifunctional fireproof door |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015386A (en) * | 1975-02-07 | 1977-04-05 | Clark Door Company, Inc. | Fire-retardant low temperature insulating building panel |
| CN105937354A (en) * | 2016-06-16 | 2016-09-14 | 王利华 | Fireproof door achieving door slot sealing |
| CN206942621U (en) * | 2017-05-25 | 2018-01-30 | 河北国飞科技有限公司 | A kind of haze ventilation screen window |
| CN111472649A (en) * | 2020-04-10 | 2020-07-31 | 上海银汀创新不锈钢发展有限公司 | Steel heat-insulation fireproof door leaf |
| CN211851529U (en) * | 2020-01-15 | 2020-11-03 | 北京蓝盾金属门窗厂 | Environment-friendly fireproof door |
-
2020
- 2020-11-20 CN CN202011310104.4A patent/CN112431534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015386A (en) * | 1975-02-07 | 1977-04-05 | Clark Door Company, Inc. | Fire-retardant low temperature insulating building panel |
| CN105937354A (en) * | 2016-06-16 | 2016-09-14 | 王利华 | Fireproof door achieving door slot sealing |
| CN206942621U (en) * | 2017-05-25 | 2018-01-30 | 河北国飞科技有限公司 | A kind of haze ventilation screen window |
| CN211851529U (en) * | 2020-01-15 | 2020-11-03 | 北京蓝盾金属门窗厂 | Environment-friendly fireproof door |
| CN111472649A (en) * | 2020-04-10 | 2020-07-31 | 上海银汀创新不锈钢发展有限公司 | Steel heat-insulation fireproof door leaf |
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| CN112431534A (en) | 2021-03-02 |
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