CN112377067A - Smoke-isolating fireproof door - Google Patents
Smoke-isolating fireproof door Download PDFInfo
- Publication number
- CN112377067A CN112377067A CN202011230394.1A CN202011230394A CN112377067A CN 112377067 A CN112377067 A CN 112377067A CN 202011230394 A CN202011230394 A CN 202011230394A CN 112377067 A CN112377067 A CN 112377067A
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- China
- Prior art keywords
- door
- door frame
- smoke
- fireproof
- movable plate
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
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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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
- E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
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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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
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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
- 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
-
- 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
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention relates to the technical field of fire fighting equipment and discloses a smoke-isolating fireproof door which comprises an upper door frame, wherein channels are formed in the left side wall and the right side wall of the interior of the upper door frame, a movable plate is arranged in the upper door frame, limiting plates are fixedly connected to the left side and the right side of the movable plate, and the limiting plates are wedged with the channels in the upper door frame. According to the invention, the opening and closing degree of the fireproof door is controlled by the control switch, so that the escaper is prevented from repeatedly opening the door, the physical consumption of the escaper by the heavy fireproof door is reduced, meanwhile, the opening and closing degree of the fireproof door is determined by the escaper, the waste of the space of the fireproof door can be avoided to a certain extent, the problem of too fast smoke diffusion caused by too large space is reduced, meanwhile, the number of people passing through a single time is limited by the fireproof opening and closing degree, the number of people entering the escape corridor can be effectively planned, the crowding and toppling in the corridor after too many people are effectively avoided, and the occurrence of trampling events is reduced.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a smoke-proof fireproof door.
Background
A fire-proof partition with fire resistance for use in evacuation staircases, fire-proof partitions and vertical shafts, which can separate fire from escape areas, effectively slow down and block fire, and prevent smoke from spreading, thereby saving time for evacuees and firefighters to evacuate and save.
The existing opening and closing modes of most fireproof doors are both internally and externally pushed and closed and are consistent with the common opening and closing mode of doors, when the doors are opened and closed, the door seams are numerous, the doors are not easy to seal after being closed and the door frame, when a fire disaster happens, smoke is easy to diffuse from the door seams to the areas without the fire disaster no matter in the closed state or the passing state due to the existence of the door seams, so that the smoke blocking effect is reduced, meanwhile, harmful gas in the smoke can cause damage to the health of an escaper, thereby influencing the escape efficiency, the traditional internally and externally opened and closed fireproof doors have the advantages that due to the existence of a door closer, the escaper needs to push the door all the time when the door is opened, the escape speed of the following person is not facilitated, meanwhile, due to the very large weight of the fireproof door, the physical consumption of the escaper is large, the existing fireproof door which moves up and down is also exists, but the opening and closing height of the fireproof door, the width of opening and closing is limited, when the number of escapers is small, and only one person passes through the escape device at a time, the space of the fireproof door is wasted, and the smoke can be diffused more quickly.
Disclosure of Invention
Aiming at the defects of the existing fireproof door in the use process in the background technology, the invention provides the smoke-isolating fireproof door which has the advantages of improving the smoke-blocking effect and reducing the space waste of the fireproof door, and solves the problems in the background technology.
The invention provides the following technical scheme: a smoke-proof fireproof door comprises an upper door frame, wherein channels are formed in the left side wall and the right side wall inside the upper door frame, a movable plate is arranged inside the upper door frame, limiting plates are fixedly connected to the left side and the right side of the movable plate and are wedged with the channels inside the upper door frame, sawteeth are fixedly connected to the upper end and the lower end of the movable plate, a gear is arranged on the upper surface of the movable plate, teeth on the surface of the gear are meshed with one row of sawteeth on the upper surface of the movable plate, a power device is fixedly arranged on one side of the outer surface of the upper door frame, a motor is arranged inside the power device, a bearing of the output end of the motor penetrates through the upper door frame and is fixedly connected with the gear, the gear is located in the central position inside the upper door frame, a left door frame is fixedly connected to one side of the bottom of the upper door frame, a, the right door frame is positioned between the upper door frame and the lower door frame, control switches are fixedly mounted on two sides of the right door frame, and a row of sawteeth at the bottom of the moving plate are meshed with a fireproof door;
the lower door frame comprises a lower frame body, the lower frame body is U-shaped, dust-proof sheets are fixedly mounted on two sides of the top end of the interior of the lower frame body, the dust-proof sheets are made of materials which are not flammable and are deformed by pressure, the dust-proof sheets are sheet-shaped, a plurality of dust-proof sheets are closely arranged in a row and mounted on one side of the interior of the lower frame body, two lower frame bodies are arranged in the lower frame body, the lengths of the two dust-proof sheets are symmetrical about the central line of the interior of the lower frame body, one end, far away from the two dust-proof sheets, of the lower frame body is attached to the central line, a notch is formed in the position, matched with the position of the fire door and the dust-proof sheets, the notch is rectangular in shape, and a space formed by the bottom surface;
prevent fire door includes the door plant, the top of door plant is equipped with one row of tooth with the sawtooth meshing, the shape of tooth is isosceles triangle, prevent that fire door is close to one side of left door frame and is connected with protruding strip, protruding strip is total three, and is three protruding strip equidistance distributes in the side of door plant, some mounting grooves are seted up to the bottom of door plant, the inside swing joint of mounting groove has the pulley.
Preferably, the sawtooth is isosceles triangle, just two rows of sawtooth are installed altogether at the upper and lower both ends of movable plate, every row the sawtooth has a plurality of, and the equidistance distributes between a plurality of sawtooth.
Preferably, the width of the left door frame and the width of the lower door frame are both equal to the width of the upper door frame.
Preferably, the liquid seal cavity is filled with silicone oil, the horizontal plane of the silicone oil is attached to the horizontal plane of the upper top surface in the mounting groove, and the liquid seal cavity can be filled with non-flammable and non-explosive synthetic oil.
Preferably, the length of the door panel is smaller than that of the moving plate.
Preferably, the teeth surfaces of the saw teeth and the door panel top are coated with flame retardant rubber.
Preferably, the cavity has been seted up to the inside of right side door frame, and the inside lateral wall of cavity closely laminates the lateral wall of preventing fire door, the inside lateral wall coating of cavity has fire-retardant rubber, the length of right side door frame is greater than the length of preventing fire door, and keeps away from the one side in the region of fleing on the right side door frame and has still seted up the gas outlet, still be equipped with one-way air outlet valve on the gas outlet.
The invention has the following beneficial effects:
1. according to the invention, the traditional internally and externally pushed fireproof door is changed into a left-right moving fireproof door, so that the door gap is reduced, meanwhile, the left upper door frame and the right upper door frame of the fireproof door are sealed, the smoke diffusion is reduced, the upper door frame seals most smoke through a channel and a limiting plate, a small amount of smoke increases the smoke passing path and reduces the smoke diffusion speed by increasing the surface area and the shape of a smoke passing area, so that the whole smoke escape time is prolonged, the lower door frame reduces the smoke diffusion through silicone oil liquid seal, the left door frame seals and reduces the escape speed through a raised strip, one side of the right door frame is sealed through flame retardant rubber, the other part of the right door frame collects smoke through a cavity in the right door frame, and then the smoke is discharged, so that the smoke escape is reduced, and conditions are provided for escape of escapers.
2. According to the invention, the opening and closing degree of the fireproof door is controlled by the control switch, so that the escaper is prevented from repeatedly opening the door, the physical consumption of the escaper by the heavy fireproof door is reduced, meanwhile, the opening and closing degree of the fireproof door is determined by the escaper, the waste of the space of the fireproof door can be avoided to a certain extent, the problem of too fast smoke diffusion caused by too large space is reduced, meanwhile, the number of people passing through a single time is limited by the fireproof opening and closing degree, the number of people entering the escape corridor can be effectively planned, the crowding and toppling in the corridor after too many people are effectively avoided, and the occurrence of trampling events is reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic bottom side view of the present invention;
FIG. 5 is a schematic top view of the structure of the present invention.
In the figure: 1. an upper door frame; 2. a channel; 3. moving the plate; 4. a limiting plate; 5. saw teeth; 6. a gear; 7. a power plant; 8. a left doorframe; 9. a lower door frame; 91. a lower frame body; 92. a dust-proof sheet; 93. a liquid seal cavity; 10. a right door frame; 101. a control switch; 11. a fire door; 111. a door panel; 112. a raised strip; 113. mounting grooves; 114. a pulley.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a smoke-isolating fire door comprises an upper door frame 1, the upper door frame 1 is U-shaped, referring to fig. 3, the left and right side walls of the interior of the upper door frame 1 are provided with channels 2, the channels 2 are dovetail-shaped, the interior of the upper door frame 1 is provided with a moving plate 3, the left and right sides of the moving plate 3 are fixedly connected with limit plates 4, the limit plates 4 are dovetail-shaped, the limit plates 4 are wedged with the channels 2 of the interior of the upper door frame 1, the upper and lower ends of the moving plate 3 are fixedly connected with sawteeth 5, the sawteeth 5 are isosceles triangles, the upper and lower ends of the moving plate 3 are provided with two rows of sawteeth 5, each row of the sawteeth 5 are distributed at equal intervals, the upper surface of the moving plate 3 is provided with a gear 6, the sawteeth on the surface of the gear 6 are meshed with the sawteeth 5 on the upper surface of the, the power device 7 is internally provided with a motor, a bearing at the output end of the motor penetrates through the upper door frame 1 and is fixedly connected with a gear 6, the gear 6 is positioned at the central position inside the upper door frame 1, the channel 2 and the limiting plate 4 are used for supporting the moving plate 3 to a certain extent, the bearing of the fireproof door and the load of the sawteeth 5 are reduced, the sawtooth 5 is prevented from deforming the bottom end of the sawteeth 5 under the action of the gravity of the moving plate 3, so that the sealing effect is influenced, when smoke in a fire area enters the space of the gear 6 through the joint of the moving plate 3 and the upper door frame 1, the channel 2 and the limiting plate 4 reduce the gap of the joint, the sealing effect can be realized to a certain extent, most of smoke can be blocked, a small part of smoke is under the action of the channel 2 and the limiting plate 4, the escaping time length is prolonged, the surface area of smoke is increased, and the escaping speed of smoke is, the smoke escape time can be effectively prolonged, a condition is provided for escape of an escaper, one side of the bottom of an upper door frame 1 is fixedly connected with a left door frame 8, the left door frame 8 is U-shaped, the width of the left door frame 8 is equal to that of the upper door frame 1, the bottom end of the left door frame 8 is fixedly connected with a lower door frame 9, the width of the lower door frame 9 is equal to that of the left door frame 8, the other side of the bottom of the upper door frame 1 is fixedly connected with a right door frame 10, the right door frame 10 is positioned between the upper door frame 1 and the lower door frame 9, both sides of the right door frame 10 are fixedly provided with a control switch 101, the control switch 101 is electrically connected with a motor inside a power device 7, the control switch 101 is used for controlling the rotating direction and the rotating duration of a gear 6, so that the sawtooth 5 moves left and right, a row of sawteeth 5 at the bottom of a moving plate 3 is engaged with, the top of the door plate 111 is provided with a row of teeth meshed with the saw teeth 5, the teeth are in the shape of an isosceles triangle, one side of the fireproof door 11 close to the left door frame 8 is connected with three protruding strips 112, the three protruding strips 112 are equidistantly distributed on the side surface of the door plate 111, the bottom of the door plate 111 is provided with a mounting groove 113, the inside of the mounting groove 113 is movably connected with a pulley 114, the protruding strips 112 can play a role in positioning, so that the fireproof door 11 is aligned with the left door frame 8, the phenomenon that the teeth at the top of the door plate 111 and the saw teeth 5 are inclined at left and right positions in the reference figure 3 can be avoided, most of smoke is sealed at the same time, the diffusion speed of a small amount of smoke is reduced, the length of the door plate 111 is smaller than that of the door 3, the saw teeth 5 can move the fireproof door 11 leftwards and rightwards, the, reach when the fleeing person and prevent the fire door region, through pressing control switch 101, open and prevent fire door 11, do not need to go to push and pull the fire door 11 hard again, the physical demands of fleeing person has been reduced, also can decide the degree of opening according to the quantity of fleeing person in addition, can utilize effectively and prevent the fire door space, it is too big to avoid the space, make smog diffusion velocity increase, the degree of opening and shutting of the fire door of regulation in addition, also can standardize the crowd of fleing, avoid the space too big messenger to flee the person and pushed down by the extrusion after perhaps getting into the corridor of fleing through the escape, reduce the emergence of trampling the event.
Wherein, the lower door frame 9 comprises a lower frame body 91, the lower frame body 91 is U-shaped, two sides of the top end inside the lower frame body 91 are fixedly provided with dustproof sheets 92, the dustproof sheets 92 are made of non-flammable and pressure-deformable materials, the dustproof sheets 92 are sheet-shaped, a plurality of dustproof sheets 92 are closely arranged in a row and are arranged on one side inside the lower frame body 91, two rows of lower frame bodies 91 are arranged inside the lower frame body 91, the length of the two rows of dustproof sheets 92 is symmetrical about the center line inside the lower frame body 91, one end of the lower frame body 91 far away from the two rows of dustproof sheets 92 is attached to the center line, the position where the fireproof door 11 is matched with the dustproof sheets 92 is provided with a notch, the notch is rectangular, the dustproof sheets 92 for accommodating deformation are used, the space formed by the bottom surface of the inner cavity of the lower frame body 91 and the bottom of the fireproof door 11 is a liquid seal cavity 93, the liquid seal cavity 93 is filled with silicone oil, and the horizontal plane of, the liquid seal cavity 93 can be filled with non-flammable and non-explosive synthetic oil, when the fireproof door 11 slides in the lower door frame 9, the dustproof sheet 92 can deform, then the deformed dustproof sheet 92 is stored in the notch, other areas in the dustproof sheet 92 can keep a closed state, dust in the air can be prevented from entering silicon oil in the liquid seal cavity 93, the silicon oil is polluted, the use time is shortened, the sliding effect of the pulley 114 is influenced, when the pulley 114 slides in the liquid seal cavity 93, the pulley 114 can be assisted to slide under the lubrication of the silicon oil, the friction between the surface of the pulley 114 and the bottom of the lower frame 91 is reduced, the service life of the pulley 114 is prolonged, the silicon oil has a buffering effect on the sliding of the pulley 114, in addition, the silicon oil in the liquid seal cavity 93 also has a liquid seal effect, smoke particles generated by fire are large, the density is large, gaseous density is greater than the density of silicon oil, and inside the inside loss that gaseous is difficult to the income oil goes out, and inside smog gets into liquid seal chamber 93 from the seam of preventing fire door 11 and lower door frame 9 laminating, because the existence of oil, utilize liquid to form sealedly, isolated the space of preventing fire door 11 left and right sides effectively, avoid smog from the regional region of fleing that reachs of conflagration to reduce the influence of smog to the speed of fleing of the person of fleing.
Wherein, the tooth surface coating at sawtooth 5 and door plant 111 top has fire-retardant rubber, avoid effectively entering the region of fleing from the clearance between movable plate 3 and the fire door 11 when smog, because tooth and sawtooth 5 are isosceles triangle, and the shape of movable plate 3 is the rectangle, so be complete meshing between the tooth on sawtooth 5 and the door plant 111, and including the sealed of rubber, can reduce the size in space effectively, thereby reduce smog and get into the regional loss volume of fleing through the clearance between fire door 11 and the movable plate 3.
Wherein, the cavity has been seted up to the inside of right side door frame 10, and the inside lateral wall of cavity closely laminates the lateral wall of preventing fire door 11, the inside lateral wall coating of cavity has fire-retardant rubber, the length of right side door frame 10 is greater than the length of preventing fire door 11, and keep away from the regional one side of fleing on the right side door frame 10 and still seted up the gas outlet, still be equipped with one-way air outlet valve on the gas outlet, there is certain coincidence portion with right side door frame 10 when preventing fire door 11 and being in the closed condition, the coincidence portion can prevent most smog loss effectively to the region of fleing, the smog of subtotal can be deposited in inside the cavity after getting into, when opening fire door, right side door frame 10 inner space reduces, the pressure increases, make.
The using method of the invention is as follows:
when a fire disaster occurs and no escaping person exists, referring to fig. 2, at this time, a sealing effect is achieved by the channel 2, the moving plate 3, the limiting plate 4, the saw teeth 5 and the teeth on the top of the door panel 111 above the fire door 11, when smoke in a fire disaster area enters the space where the gear 6 is located through the joint of the moving plate 3 and the upper door frame 1, the channel 2 and the limiting plate 4 reduce the gap at the joint, block most of smoke, increase the escaping time length of a small part of smoke under the action of the channel 2 and the limiting plate 4, increase the surface area through which the smoke passes, and block the smoke in the escaping process by setting the shape of the limiting plate 4, so as to reduce the speed of smoke escaping, the teeth on the door panel 111 are tightly attached to the saw teeth 5 by setting the shape of the moving plate 3 to be rectangular with the same shape as the top of the fire door 11 between the saw teeth 5 and the fire door 11, the existence of a gap is reduced, the escape of smoke is avoided, the liquid sealing effect is realized under the fireproof door 11 through the physical characteristic that the density of silicon oil is smaller than that of the smoke, the smoke is prevented from escaping to an escape area, the sealing effect is realized on the left side of the fireproof door 11 through the protruding strip 112 and the notch formed in the left door frame 8, meanwhile, the speed of a small amount of smoke escaping can be reduced, the sealing effect is realized on the right side of the fireproof door 11 through the length limitation of the cavity in the right door frame 10 and the flame retardant rubber on the surface, a small amount of smoke enters the cavity, when an escaper needs to use the fireproof door, the fireproof door 11 is opened by pressing the control switch 101 far away from the escape area, the size is proper when the escaper is opened, meanwhile, the fireproof door 11 is moved into the cavity in the right door frame 10, the space in the cavity is reduced, and the pressure in the cavity is, and then opens the one-way air outlet valve so that the smoke is discharged to the fire area, and presses the control switch 101 of the escape area again to close the fire door 11 after the evacuee passes all over.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a separate cigarette and prevent fire door, includes upper doorframe (1), its characterized in that: the door is characterized in that a channel (2) is formed in the left side wall and the right side wall of the inner portion of the upper door frame (1), a movable plate (3) is arranged in the inner portion of the upper door frame (1), limiting plates (4) are fixedly connected to the left side and the right side of the movable plate (3), the limiting plates (4) are wedged with the channel (2) in the inner portion of the upper door frame (1), sawteeth (5) are fixedly connected to the upper end and the lower end of the movable plate (3), a gear (6) is arranged on the upper surface of the movable plate (3), teeth on the surface of the gear (6) are meshed with one row of sawteeth (5) on the upper surface of the movable plate (3), a power device (7) is fixedly arranged on one side of the outer surface of the upper door frame (1), a motor is arranged inside the power device (7), a bearing of the output end of the motor penetrates through the upper door frame (1), a left door frame (8) is fixedly connected to one side of the bottom of the upper door frame (1), a lower door frame (9) is fixedly connected to the bottom end of the left door frame (8), a right door frame (10) is fixedly connected to the other side of the bottom of the upper door frame (1), the right door frame (10) is located between the upper door frame (1) and the lower door frame (9), control switches (101) are fixedly mounted on two sides of the right door frame (10), and a row of sawteeth (5) at the bottom of the movable plate (3) are meshed with a fireproof door (11);
the lower door frame (9) comprises a lower frame body (91), the lower frame body (91) is U-shaped, two sides of the top end inside the lower frame body (91) are fixedly provided with dustproof sheets (92), the dust-proof sheet (92) is made of a non-flammable material and is deformed by pressure, the dust-proof sheet (92) is sheet-shaped, a plurality of dust-proof sheets (92) are tightly arranged in a row and are arranged at one side of the inner part of the lower frame body (91), the inner part of the lower frame body (91) has two lower frame bodies (91), the lengths of the two dustproof sheets (92) are symmetrical about the central line of the inner part of the lower frame body (91), and one end of the lower frame body (91) far away from the two rows of dustproof sheets (92) is attached to the central line, the position where the fireproof door (11) is matched with the dustproof sheet (92) is provided with a notch, the shape of the notch is rectangular, and a space formed by the bottom surface of the inner cavity of the lower frame body (91) and the bottom of the fireproof door (11) is a liquid seal cavity (93);
prevent fire door (11) including door plant (111), the top of door plant (111) is equipped with one row of tooth with sawtooth (5) meshing, the shape of tooth is isosceles triangle, prevent that one side that fire door (11) are close to left door frame (8) is connected with protruding strip (112), protruding strip (112) are total three, three protruding strip (112) equidistance distributes in the side of door plant (111), mounting groove (113) that have been seted up to the bottom of door plant (111), the inside swing joint of mounting groove (113) has pulley (114).
2. A smoke isolating fire door as claimed in claim 1, further comprising: sawtooth (5) are isosceles triangle, just two rows of sawtooth (5) are installed altogether at the upper and lower both ends of movable plate (3), every row sawtooth (5) have a plurality of, and the equidistance distributes between a plurality of sawtooth (5).
3. A smoke isolating fire door as claimed in claim 1, further comprising: the width of the left door frame (8) and the width of the lower door frame (9) are both equal to the width of the upper door frame (1).
4. A smoke isolating fire door as claimed in claim 1, further comprising: the inside of liquid seal chamber (93) is filled with silicone oil, and the horizontal plane of silicone oil and the horizontal plane laminating that the top surface was located on mounting groove (113) inside, and the inside of liquid seal chamber (93) also can be filled with non-flammable, non-explosive synthetic oil.
5. A smoke isolating fire door as claimed in claim 1, further comprising: the length of the door panel (111) is smaller than that of the moving plate (3).
6. A smoke isolating fire door as claimed in claim 1, further comprising: the tooth surfaces of the saw teeth (5) and the top of the door panel (111) are coated with flame-retardant rubber.
7. A smoke isolating fire door as claimed in claim 1, further comprising: the cavity has been seted up to the inside of right side door frame (10), and the inside lateral wall of cavity closely laminates the lateral wall of preventing fire door (11), the inside lateral wall coating of cavity has fire-retardant rubber, the length of right side door frame (10) is greater than the length of preventing fire door (11), and keeps away from the one side in the region of fleing on right side door frame (10) and has still seted up the gas outlet, still be equipped with one-way air outlet valve on the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230394.1A CN112377067A (en) | 2020-11-06 | 2020-11-06 | Smoke-isolating fireproof door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931563A (en) * | 2021-09-14 | 2022-01-14 | 谢志文 | Intelligent fireproof and antitheft door |
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| CN109138779A (en) * | 2018-10-18 | 2019-01-04 | 罗铭亮 | A kind of fire-proof smoke insulation door |
| CN208518533U (en) * | 2018-05-21 | 2019-02-19 | 广州恒成门业有限公司 | A kind of improved double anti-fire doors |
| CN109653651A (en) * | 2018-12-11 | 2019-04-19 | 邯郸市金穗门业有限公司 | A kind of fire resistant doorsets with Smoke Filter |
| CN209959121U (en) * | 2019-04-23 | 2020-01-17 | 天津市海达门业股份有限公司 | Prevent fire door and door frame with separate cigarette function |
| CN211038399U (en) * | 2019-05-22 | 2020-07-17 | 安徽双盾消防科技有限公司 | Composite heat-insulation steel-wood fireproof door |
| CN211313967U (en) * | 2019-12-26 | 2020-08-21 | 淮安子婷门窗有限公司 | Sliding separated type isolation fireproof door with automatic alarm function |
| CN211342584U (en) * | 2019-05-27 | 2020-08-25 | 浙江王牌门业有限公司 | Environment-friendly fireproof door with sealing piece |
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| US5355927A (en) * | 1992-12-17 | 1994-10-18 | Mckeon Rolling Steel Door Company, Inc. | Self-closing fire door |
| JP2015086525A (en) * | 2013-10-29 | 2015-05-07 | 三協立山株式会社 | Fireproof sliding door |
| CN107288508A (en) * | 2017-06-20 | 2017-10-24 | 天津市龙甲门业有限公司 | A kind of fire resistant doorsets for being easy to push-and-pull |
| CN108119030A (en) * | 2017-12-21 | 2018-06-05 | 珠海华发建筑设计咨询有限公司 | The normally opened fire resistant doorsets of fire-fighting link |
| CN208518533U (en) * | 2018-05-21 | 2019-02-19 | 广州恒成门业有限公司 | A kind of improved double anti-fire doors |
| CN109138779A (en) * | 2018-10-18 | 2019-01-04 | 罗铭亮 | A kind of fire-proof smoke insulation door |
| CN109653651A (en) * | 2018-12-11 | 2019-04-19 | 邯郸市金穗门业有限公司 | A kind of fire resistant doorsets with Smoke Filter |
| CN209959121U (en) * | 2019-04-23 | 2020-01-17 | 天津市海达门业股份有限公司 | Prevent fire door and door frame with separate cigarette function |
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| CN211342584U (en) * | 2019-05-27 | 2020-08-25 | 浙江王牌门业有限公司 | Environment-friendly fireproof door with sealing piece |
| CN211313967U (en) * | 2019-12-26 | 2020-08-21 | 淮安子婷门窗有限公司 | Sliding separated type isolation fireproof door with automatic alarm function |
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| CN113931563A (en) * | 2021-09-14 | 2022-01-14 | 谢志文 | Intelligent fireproof and antitheft door |
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