CN112696129B

CN112696129B - Fire-proof door

Info

Publication number: CN112696129B
Application number: CN202011548307.7A
Authority: CN
Inventors: 马建发
Original assignee: Xi'an Shenma Energy Saving Doors And Windows Co ltd
Current assignee: Xi'an Shenma Energy Saving Doors And Windows Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2023-04-14
Anticipated expiration: 2040-12-24
Also published as: CN112696129A

Abstract

The utility model relates to a fire door relates to the field of emergency exit structure technique, a fire door, including fire door plant, door frame, fire door plant and door frame cooperation, set up recess, hold up tank on the door frame, be provided with protection device in the recess, be provided with fire extinguishing agent in the hold up tank, place the board and place in the recess, it is articulated with the door frame to place the board, the shower nozzle sets up the one side of placing the board and keeping away from fire door plant, the connecting pipe sets up the one side of placing the board towards fire door plant, the connecting pipe sets up to the hose, connecting pipe one end and shower nozzle intercommunication, the connecting pipe other end stretches into in the hold up tank, angle adjusting part sets up and is used for adjusting the angle of placing the board in the recess, extrusion part sets up and is used for squeezing into the connecting pipe with fire extinguishing agent in the hold up tank, and this application has the effect of being convenient for reducing the possibility of experiencing long-time burning of a fire.

Description

Fire-proof door

Technical Field

The utility model belongs to the technical field of emergency exit structure and specifically relates to a prevent fire door.

Background

The fire door is an important component of fire fighting measures of buildings, and fire doors are required to be arranged at fire-proof subareas of evacuation passages in the buildings. Prevent that fire door all can take place to warp in processing, installation, use, meet heat more to warp, these factors often make between door leaf and the door leaf gap diminish and can not normally open and close fire door, also can make between door leaf and the door leaf gap grow and different effective prevention intensity of a fire spread, flue gas diffusion.

At present, in application document with application number 201610535444.4, a fireproof door is disclosed, which comprises a door frame and a door panel, wherein the door panel is made of foamed aluminum plate, a first layer of polypropylene fiber spunbonded cloth, a three-dimensional wavy mixed short fiber layer, a second layer of polypropylene fiber spunbonded cloth, acrylic resin, a fireproof layer and a stainless steel material layer are sequentially arranged on the outer side of the foamed aluminum plate, the door frame is positioned on the periphery of the door panel, a vertical side edge of the door panel is arranged on the vertical side wall of the door frame, a panel skirt with an outer edge is arranged on the periphery of the inner side surface of the door panel, and a sealing gasket is bonded in an included angle formed by the panel skirt and the thickness surface of the door panel.

In view of the above-mentioned related arts, the inventor believes that it is difficult to avoid deformation of the fire door due to an excessively high temperature when the fire door is subjected to a fire for a long time, thereby causing a decrease in the fire and smoke preventing performance of the fire door or difficulty in opening the fire door.

Disclosure of Invention

To reduce the likelihood that a fire rated door will experience prolonged fire, the present application provides a fire rated door.

The application provides a prevent fire door adopts following technical scheme:

the utility model provides a fireproof door, includes fireproof door board, door frame, fireproof door board and door frame cooperation, recess, hold up tank have been seted up on the door frame, be provided with protection device in the recess, be provided with fire extinguishing agent in the hold up tank, protection device includes the baffle, places board, connecting pipe, shower nozzle, angle adjusting part, extrusion part, sensor, controller, place the board and place in the recess, it is articulated with the door frame to place the board, the shower nozzle sets up the one side of placing the board and keeping away from fireproof door board, the connecting pipe sets up the one side of placing the board towards fireproof door board, the connecting pipe sets up to the hose, connecting pipe one end and shower nozzle intercommunication, the connecting pipe other end stretches into in the hold up tank, angle adjusting part sets up in the recess and is used for adjusting the angle of placing the board, extrusion part sets up in the hold up tank and is used for squeezing into the connecting pipe with fire extinguishing agent, the shower nozzle is provided with a plurality of along the length direction of door frame, the sensor is used for setting on fireproof door board, the sensor is used for controlling the opening of angle adjusting part, extrusion part.

Through adopting above-mentioned technical scheme, when the fire prevention door plant is burnt to the fire, the heat is experienced to the sensor, sensor control controller, controller opening angle adjusting part, the extrusion part, protection device begins to play, angle adjusting part adjusts the angle of placing the board, the shower nozzle rotates along with placing the board, under angle adjusting part's effect, the fire prevention door plant is aimed at to the shower nozzle, extrusion part lets in the shower nozzle through the connecting pipe with fire extinguishing agent simultaneously, the shower nozzle is aimed at the fire prevention door plant and is sprayed fire extinguishing agent, be convenient for go out the fire on the fire prevention door plant, reduce the possibility that the fire prevention door plant withstood long-time burning.

Optionally, the angle adjustment part includes rotating motor, action wheel, follows the driving wheel, the output shaft that rotates the motor is connected with the pivot fixed connection of action wheel, the action wheel with follow driving wheel meshing and be connected, the action wheel is round gear with follow driving wheel, the action wheel is the same with the radius from the driving wheel, the pivot from the driving wheel with place board fixed connection, the pivot from the driving wheel is located the articulated department of placing board and door frame, the articulated shaft of placing board and door frame is syntropy with the pivot from the driving wheel, the action wheel sets up to intermittent gear, set up to continuous gear from the driving wheel.

Through adopting above-mentioned technical scheme, the rotation motor is opened to the sensor, rotates the motor and drives the action wheel rotation, and the action wheel rotates the in-process and drives from the driving wheel rotation, and the action wheel lasts the rotation, from driving wheel intermittent type rotation, is not convenient for drive from the driving wheel and places board intermittent type transform angle, rotates to another angle again after spraying of fire extinguishing agent at an angle, reduces the fire door plant and stands the possibility of burning with a fire for a long time.

Optionally, the driving wheel includes a continuous tooth section and an interval tooth section, the continuous tooth section is semicircular, the continuous tooth section is continuously provided with gear teeth, the interval tooth section is provided with gear teeth at intervals, and the starting point of the continuous tooth section is meshed with the driven wheel when the placing plate is located in the groove.

Through adopting above-mentioned technical scheme, the action wheel rotates, the action wheel drives from the driving wheel rotation, when the continuous tooth section of action wheel with from the driving wheel meshing, rotate in succession from the driving wheel, the messenger places the board and rotates 180 around the articulated shaft of placing board and door frame, when intermittent type tooth section with from the driving wheel meshing, the driven wheel stops the secondary rotation after rotating to certain angle, the shower nozzle of being convenient for spouts the fire extinguishing agent towards the different positions of fire prevention door plant, reduce the possibility that fire prevention door plant stands long-time burning.

Optionally, the extrusion part includes stripper plate, push motor, the stripper plate is located the one side that the recess was kept away from to the hold up tank, stripper plate and hold up tank inside wall butt, the fire extinguishing agent is placed on the stripper plate, push motor is located the one side that the fire extinguishing agent was kept away from to the stripper plate.

Through adopting above-mentioned technical scheme, push motor promotes the stripper plate motion, and the stripper plate extrusion fire extinguishing agent pushes away the fire extinguishing agent to connecting pipe department, and the fire extinguishing agent is delivered to shower nozzle department through the connecting pipe under the effect of stripper plate, and the shower nozzle of being convenient for sprays the fire extinguishing agent, reduces the fire prevention door plant and withstands the possibility of burning for a long time.

Optionally, the extrusion part includes the cutter, the cutter is located the one side of stripper plate towards fire extinguishing agent, fire extinguishing agent includes aluminium sulfate package, sodium bicarbonate package, aluminium sulfate package and sodium bicarbonate package set up side by side along the door frame direction, the cutter can cut aluminium sulfate package and sodium bicarbonate package.

Through adopting above-mentioned technical scheme, the stripper plate promotes the cutter motion, and the cutter cuts aluminium sulfate package, sodium bicarbonate package, and aluminium sulfate and sodium bicarbonate are mixed, produce a large amount of carbon dioxide fast, and carbon dioxide is sent into shower nozzle department through the connecting pipe, and on the shower nozzle was spouted to the fire door plant, the reduction fire door plant experienced the possibility of burning with a fire for a long time.

Optionally, a plurality of stirring beads are placed in both the aluminum sulfate bag and the sodium bicarbonate bag.

Through adopting above-mentioned technical scheme, produce behind a large amount of gases, place and have the possibility that carbon dioxide surges in the board, carbon dioxide drives the stirring pearl and removes, and the stirring pearl has increased the possibility that aluminium sulfate and sodium bicarbonate mix, the aluminium sulfate of being convenient for and the mixing of sodium bicarbonate.

Optionally, the bottom of the placing plate is provided with a first inclined plate and a second inclined plate, the first inclined plate and the second inclined plate are arranged in parallel, one end of the first inclined plate facing the second inclined plate is lower than one end of the first inclined plate far away from the second inclined plate, and one end of the second inclined plate facing the first inclined plate is lower than one end of the second inclined plate far away from the first inclined plate.

Through adopting above-mentioned technical scheme, aluminium sulfate and sodium bicarbonate collect along first inclined plate and second inclined plate, reduce aluminium sulfate and the unable possibility that can not produce carbon dioxide of contact of sodium bicarbonate.

Optionally, the groove and the storage tank are arranged in parallel, and the connecting pipe is communicated with one side of the storage tank far away from the fire extinguishing agent.

By adopting the technical scheme, the possibility that the aluminum sulfate liquid and the sodium bicarbonate liquid flow into the connecting pipe is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fire extinguishing device is characterized in that a baffle is arranged, a placing plate is arranged, a connecting pipe is arranged, a spray head is arranged, an angle adjusting part is arranged, an extruding part is arranged, a sensor and a controller are arranged, when a fire-proof door plate is burnt, the sensor senses heat, the sensor controls the controller, the controller opens the angle adjusting part, the extruding part is arranged, a protection device starts to function, the angle adjusting part adjusts the angle of the placing plate, the spray head rotates along with the placing plate, under the action of the angle adjusting part, the spray head is aligned to the fire-proof door plate, meanwhile, the extruding part enables a fire extinguishing agent to be introduced into the spray head through the connecting pipe, the spray head is aligned to the fire-proof door plate to spray the fire extinguishing agent, the fire on the door plate is conveniently extinguished, and the possibility that the fire-proof door is burnt for a long time is reduced;

2. according to the fire extinguishing device, the angle adjusting part comprising the rotating motor, the driving wheel and the driven wheel is arranged, the rotating motor is started by the sensor, the rotating motor drives the driving wheel to rotate, the driven wheel is driven to rotate in the rotating process of the driving wheel, the driving wheel continuously rotates, the driven wheel intermittently rotates, the driven wheel is inconvenient to drive the placing plate to intermittently change the angle, the fire extinguishing agent is sprayed at one angle and then rotates to another angle, and the possibility that the fire extinguishing door is subjected to long-time fire burning is reduced;

3. this application sets up the extrusion part including stripper plate, push motor, cutter simultaneously, and the aluminium sulfate package, sodium bicarbonate package are set up to the stripper plate, and the motion of cutter is promoted to the stripper plate, and the cutter cuts aluminium sulfate package, sodium bicarbonate package, and aluminium sulfate and sodium bicarbonate mix, produce a large amount of carbon dioxide fast, and carbon dioxide is sent into shower nozzle department through the connecting pipe, on being spouted to the fire door board through the shower nozzle, reduces to prevent that fire door stands the possibility of burning with a fire for a long time.

Drawings

Figure 1 is a schematic view of the structure of a fire rated door according to an embodiment of the present application.

Figure 2 is a partial cross-sectional view of a fire rated door of an embodiment of the present application.

Fig. 3 is a schematic structural view of a hidden fireproof door panel and a hidden fireproof door frame of the fireproof door according to the embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion of fig. 3.

Description of the reference numerals: 1. a fire door panel; 2. a door frame; 3. a groove; 4. a storage tank; 5. a fire extinguishing agent; 501. aluminum sulfate bag; 502. sodium bicarbonate bag; 6. a protection device; 601. a baffle plate; 602. placing a plate; 603. a connecting pipe; 604. a spray head; 605. an angle adjusting member; 6051. rotating the motor; 6052. a driving wheel; 6053. a driven wheel; 606. an extrusion member; 6061. a compression plate; 6062. a push motor; 6063. a cutter; 607. a sensor; 608. a controller; 7. stirring the beads; 8. a first inclined plate; 9. a second inclined plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses prevent fire door. Referring to fig. 1 and 2, a fireproof door, including fireproof door panel 1, door frame 2, fireproof door panel 1 cooperates with door frame 2, recess 3 has been seted up on door frame 2, hold up tank 4, recess 3 sets up with hold up tank 4 side by side, be provided with baffle 601 on the door frame 2, baffle 601 is located the recess 3 department, baffle 601 is articulated with door frame 2, recess 3 all sets up the one side of keeping away from ground at door frame 2 with hold up tank 4, be provided with protection device 6 in the recess 3, be provided with fire extinguishing agent 5 in the hold up tank 4, protection device 6 includes baffle 601, place board 602, connecting pipe 603, shower nozzle 604, angle adjusting part 605, extrusion part 606, sensor 607, controller 608, sensor 607 sets up to temperature sensor 607, controller 608 sets up to the PLC controller.

Referring to fig. 1 and 2, a placing plate 602 is placed in a groove 3, the placing plate 602 is hinged to a door frame 2, a hinge shaft of the placing plate 602 and the door frame 2 is arranged along a length direction of the placing plate 602, a spray head 604 is welded on one side of the placing plate 602, which is far away from a fire door panel 1, a connecting pipe 603 is bonded on one side of the placing plate 602, which faces the fire door panel 1, the connecting pipe 603 is provided as a hose, one end of the connecting pipe 603 is bonded and communicated with the spray head 604, the other end of the connecting pipe 603 extends into a storage tank 4, an angle adjusting component 605 is arranged in the groove 3 for adjusting an angle of the placing plate 602, and a squeezing component 606 is arranged in the storage tank 4 for squeezing a fire extinguishing agent 5 into the connecting pipe 603.

Referring to fig. 1 and 2, there may be 8, 10, or 12 nozzles 604 arranged along the length direction of the door frame 2, in this embodiment, there are 10 nozzles 604, a sensor 607 arranged on the fire door panel 1, a sensor 607 for controlling the sensor 607, and a sensor 607 for controlling the opening of the angle adjusting component 605 and the squeezing component 606. When the fire door panel 1 is burnt, the sensor 607 senses heat, the sensor 607 controls the controller 608, the controller 608 opens the angle adjusting component 605 and the extruding component 606, the protection device 6 starts to function, the angle adjusting component 605 adjusts the angle of the placing plate 602, the spray head 604 rotates along with the placing plate 602, under the action of the angle adjusting component 605, the spray head 604 aligns at the fire door panel 1, meanwhile, the extruding component 606 leads the fire extinguishing agent 5 into the spray head 604 through the connecting pipe 603, the spray head 604 aligns at the fire door panel 1 to spray the fire extinguishing agent 5, so that fire on the fire door panel 1 is extinguished, the possibility that the fire door panel 1 is burnt for a long time is reduced, and the connecting pipe 603 is communicated with one side of the placing plate 602 away from the fire extinguishing agent 5. Reducing the possibility of aluminum sulfate liquid and sodium bicarbonate liquid flooding into connecting tube 603.

Referring to fig. 3 and 4, the angle adjustment component 605 includes a rotation motor 6051, a driving wheel 6052 and a driven wheel 6053, an output shaft of the rotation motor 6051 is fixedly connected with a rotation shaft of the driving wheel 6052 through a coupler, the driving wheel 6052 is engaged with the driven wheel 6053, the driving wheel 6052 and the driven wheel 6053 are both circular gears, and the radii of the driving wheel 6052 and the driven wheel 6053 are the same. Referring to fig. 2 and 4, the rotating shaft of the driven wheel 6053 is welded to the placing plate 602, the rotating shaft of the driven wheel 6053 is located at the hinge joint of the placing plate 602 and the door frame 2, the hinge shaft of the placing plate 602 and the door frame 2 is in the same direction as the rotating shaft of the driven wheel 6053, the driving wheel 6052 is provided as an intermittent gear, and the driven wheel 6053 is provided as a continuous gear. The sensor 607 is started to rotate the motor 6051, the rotating motor 6051 drives the driving wheel 6052 to rotate, the driving wheel 6052 drives the driven wheel 6053 to rotate in the rotating process, the driving wheel 6052 continuously rotates, the driven wheel 6053 intermittently rotates, the driven wheel 6053 is inconvenient to drive the placing plate 602 to intermittently change the angle, the fire extinguishing agent 5 is sprayed at one angle and then rotates to another angle, and the possibility that the fire door panel 1 is subjected to long-time burning is reduced.

Referring to fig. 2 and 4, the driving wheel 6052 includes a continuous tooth section and an interval tooth section, the continuous tooth section is semicircular, the continuous tooth section is continuously provided with gear teeth, the interval tooth section is provided with gear teeth at intervals, and a starting point of the continuous tooth section is engaged with the driven wheel 6053 when the placing plate 602 is located in the groove 3. The action wheel 6052 rotates, the action wheel 6052 drives the driven wheel 6053 to rotate, when the continuous tooth section of the action wheel 6052 is meshed with the driven wheel 6053, the driven wheel 6053 continuously rotates, the placing plate 602 rotates 180 degrees around the hinge shaft of the placing plate 602 and the door frame 2, when the intermittent tooth section is meshed with the driven wheel 6053, the driven wheel 6053 stops rotating again after rotating to a certain angle, the fire extinguishing agent 5 is conveniently sprayed towards different parts of the fireproof door plate 1 by the spray head 604, and the possibility that the fireproof door plate 1 is subjected to long-time fire burning is reduced.

Referring to fig. 2 and 3, the pressing component 606 includes a pressing plate 6061 and a pushing motor 6062, the pressing plate 6061 is located on one side of the storage tank 4 far from the groove 3, the pressing plate 6061 abuts against the inner side wall of the storage tank 4, the fire extinguishing agent 5 is placed on the pressing plate 6061, and the pushing motor 6062 is located on one side of the pressing plate 6061 far from the fire extinguishing agent 5. Push motor 6062 promotes the stripper plate 6061 motion, and stripper plate 6061 extrudes fire extinguishing agent 5, pushes away fire extinguishing agent 5 to connecting pipe 603 department, and fire extinguishing agent 5 is sent to shower nozzle 604 department through connecting pipe 603 under stripper plate 6061's effect, and the shower nozzle 604 of being convenient for sprays fire extinguishing agent 5, reduces the possibility that fire door plant 1 survived a fire for a long time and burns.

Referring to fig. 2 and 3, the pressing member 606 includes a cutting blade 6063, the cutting blade 6063 is located on a side of the pressing plate 6061 facing the fire extinguishing agent 5, the fire extinguishing agent 5 includes an aluminum sulfate bag 501 and a sodium bicarbonate bag 502, the aluminum sulfate bag 501 and the sodium bicarbonate bag 502 are juxtaposed along a direction of the doorframe 2, and the cutting blade 6063 can cut the aluminum sulfate bag 501 and the sodium bicarbonate bag 502. The extrusion plate 6061 pushes the cutter 6063 to move, the cutter 6063 cuts the aluminum sulfate bag 501 and the sodium bicarbonate bag 502, aluminum sulfate and sodium bicarbonate are mixed to rapidly generate a large amount of carbon dioxide, the carbon dioxide is sent to the spray head 604 through the connecting pipe 603 and sprayed onto the fireproof door plate 1 through the spray head 604, and the possibility that the fireproof door plate 1 is burnt for a long time is reduced.

Referring to fig. 2 and 3, a plurality of stirring beads 7 are placed in both the aluminum sulfate bag 501 and the sodium bicarbonate bag 502. After a large amount of gas is generated, the possibility of carbon dioxide surging exists in the storage tank 4, the carbon dioxide drives the stirring bead 7 to move, and the stirring bead 7 increases the possibility of mixing aluminum sulfate and sodium bicarbonate, so that the aluminum sulfate and the sodium bicarbonate can be conveniently mixed.

Referring to fig. 2 and 3, a first inclined plate 8 and a second inclined plate 9 are provided at the bottom of the placement plate 602, the first inclined plate 8 and the second inclined plate 9 are provided in parallel, one end of the first inclined plate 8 facing the second inclined plate 9 is lower than the end far from the second inclined plate 9, and one end of the second inclined plate 9 facing the first inclined plate 8 is lower than the end far from the first inclined plate 8. The aluminum sulfate and the sodium bicarbonate are converged along the first inclined plate 8 and the second inclined plate 9, so that the possibility that the aluminum sulfate and the sodium bicarbonate cannot contact each other and cannot generate carbon dioxide is reduced.

The implementation principle of a fire door in the embodiment of the application is as follows: when the fireproof door panel 1 is subjected to high temperature for a long time, the sensor 607 transmits the temperature to the controller 608, the controller 608 starts the rotating motor 6051 and the pushing motor 6062, the rotating motor 6051 drives the driving wheel 6052 to rotate, the driving wheel 6052 drives the driven wheel 6053 to do intermittent motion, the driven wheel 6053 drives the placing plate 602 to rotate 180 degrees first, then the placing plate 602 rotates intermittently, the spray head 604 rotates along with the placing plate 602, the pushing motor 6062 pushes the extruding plate 6061, the cutter 6063 advances along with the extruding plate 6061, the cutter 6063 cuts the aluminum sulfate bag 501 and the sodium bicarbonate bag 502, aluminum sulfate and sodium bicarbonate flow along the first inclined plate 8 and the second inclined plate 9 to be mixed to generate carbon dioxide, the carbon dioxide pushes the stirring beads 7 to move, the stirring beads 7 are convenient to be further mixed with the sodium bicarbonate in the moving process, the carbon dioxide is communicated to the spray head 604 through the connecting pipe 603, and is sprayed to the fireproof door panel 1 through the spray head 604, so that fire on the fireproof door panel 1 is conveniently extinguished, and the possibility that the fireproof door panel 1 is subjected to be subjected to high temperature for a long time is reduced.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fireproof door, includes fire door board (1), door frame (2), fire door board (1) and door frame (2) cooperation, its characterized in that: the fire extinguishing device is characterized in that a groove (3) and a storage tank (4) are formed in the door frame (2), a protection device (6) is arranged in the groove (3), a fire extinguishing agent (5) is arranged in the storage tank (4), the protection device (6) comprises a baffle plate (601), a placing plate (602), a connecting pipe (603), a spray head (604), an angle adjusting component (605), an extrusion component (606), a sensor (607) and a controller (608), the placing plate (602) is placed in the groove (3), the placing plate (602) is hinged with the door frame (2), the spray head (604) is arranged on one surface, far away from the fire door plate (1), of the placing plate (602), the connecting pipe (603) is arranged on one surface, facing the fire door plate (1), of the placing plate (602), the connecting pipe (603) is arranged to be a hose, one end of the connecting pipe (603) is communicated with the spray head (604), the other end of the connecting pipe (603) extends into the storage tank (4), the angle adjusting component (605) is arranged in the groove (3) and used for adjusting the angle of the placing plate (602), the extrusion component (606) is arranged in the storage tank (606) and used for extruding the spray head (603), and the connecting pipe (604) is arranged along the length direction of the connecting pipe (5), the sensor (607) is arranged on the fireproof door panel (1), the sensor (607) is used for controlling the sensor (607), and the sensor (607) is used for controlling the opening of the angle adjusting component (605) and the squeezing component (606);

the angle adjusting component (605) comprises a rotating motor (6051), a driving wheel (6052) and a driven wheel (6053), an output shaft of the rotating motor (6051) is fixedly connected with a rotating shaft of the driving wheel (6052), the driving wheel (6052) is meshed with the driven wheel (6053), the driving wheel (6052) and the driven wheel (6053) are both circular gears, the radii of the driving wheel (6052) and the driven wheel (6053) are the same, the rotating shaft of the driven wheel (6053) is fixedly connected with a placing plate (602), the rotating shaft of the driven wheel (6053) is located at the hinged position of the placing plate (602) and a door frame (2), the hinged shaft of the placing plate (602) and the door frame (2) is in the same direction as the rotating shaft of the driven wheel (6053), the driving wheel (6052) is arranged as an intermittent gear, and the driven wheel (6053) is arranged as a continuous gear;

the driving wheel (6052) comprises a continuous tooth section and an interval tooth section, the continuous tooth section is semicircular, gear teeth are continuously arranged on the continuous tooth section, the interval tooth section is provided with the gear teeth at intervals, and the starting point of the continuous tooth section is meshed with the driven wheel (6053) when the placing plate (602) is positioned in the groove (3);

the extrusion component (606) comprises an extrusion plate (6061) and a pushing motor (6062), the extrusion plate (6061) is located on one side, away from the groove (3), of the storage tank (4), the extrusion plate (6061) is abutted to the inner side wall of the storage tank (4), the fire extinguishing agent (5) is placed on the extrusion plate (6061), and the pushing motor (6062) is located on one side, away from the fire extinguishing agent (5), of the extrusion plate (6061);

the extrusion component (606) comprises a cutter (6063), the cutter (6063) is located on one side, facing the fire extinguishing agent (5), of the extrusion plate (6061), the fire extinguishing agent (5) comprises an aluminum sulfate bag (501) and a sodium bicarbonate bag (502), the aluminum sulfate bag (501) and the sodium bicarbonate bag (502) are arranged in parallel along the direction of the door frame (2), and the cutter (6063) can cut the aluminum sulfate bag (501) and the sodium bicarbonate bag (502);

a plurality of stirring beads (7) are respectively arranged in the aluminum sulfate bag (501) and the sodium bicarbonate bag (502).

2. A fire rated door as claimed in claim 1, further comprising: the bottom of the placing plate (602) is provided with a first inclined plate (8) and a second inclined plate (9), the first inclined plate (8) and the second inclined plate (9) are arranged in parallel, one end, facing the second inclined plate (9), of the first inclined plate (8) is lower than one end, away from the second inclined plate (9), of the second inclined plate (9), and one end, facing the first inclined plate (8), of the second inclined plate (9) is lower than one end, away from the first inclined plate (8).

3. A fire rated door as claimed in claim 1, further comprising: the groove (3) and the storage tank (4) are arranged in parallel, and the connecting pipe (603) is communicated with one side, far away from the fire extinguishing agent (5), of the storage tank (4).