CN111810034A

CN111810034A - Fire-retardant type prevents fire door

Info

Publication number: CN111810034A
Application number: CN202010583308.9A
Authority: CN
Inventors: 孔瑞扬; 李鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-10-23

Abstract

The invention belongs to the technical field of fireproof doors, and particularly relates to a flame-retardant fireproof door which comprises a door body and a door frame; a fireproof cavity is arranged in the door body, a sliding plate is arranged in the middle of the fireproof cavity, the top end of the sliding plate is connected with a traction plate, the top end of the inner wall of the fireproof cavity is connected with a positioning plate, the top end of the traction plate is symmetrically connected with a connecting rod, the outer end of the connecting rod is connected with a baffle plate, a water outlet groove is formed in the door body on one side of the baffle plate, a water flow groove and a first water pipe are arranged in a door frame on the top end of the door body, and the upper end; according to the invention, the fireproof cavity and the sliding mechanism are arranged in the door body, so that the door body can spray water to a fire scene through the water outlet groove, the fireproof door can have more effective flame-retardant and fireproof effects, and meanwhile, the fireproof door is lighter and more convenient and fast in use and can extinguish a fire for an escape person catching fire on clothes, thereby greatly improving the use effect of the flame-retardant fireproof door.

Description

Fire-retardant type prevents fire door

Technical Field

The invention belongs to the technical field of fireproof doors, and particularly relates to a flame-retardant 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. The existing steel fireproof door fillers are mainly silicic acid fibers, rock wool and the like, and have the defects of low strength, toxicity, great harm to human bodies and unsuitability for industrial production.

The invention discloses a technical scheme of a fireproof door in the prior art, for example, a Chinese patent with the patent number of 2019112254463, provides an environment-friendly filling material high-flame-retardant steel fireproof door, and relates to the technical field of fireproof doors. The fireproof door comprises a fireproof door shell, wherein a storage box placing cavity is formed in the fireproof door shell, three lower sliding grooves are formed in the bottom end face of the inner wall of the storage box placing cavity, three upper sliding grooves are formed in the top end face of the inner wall of the storage box placing cavity, a T-shaped limiting groove is formed above the storage box placing cavity, two limiting holes are formed in the inner wall of the T-shaped limiting groove, a distilled water storage box, a dry powder storage box and a yellow sand storage box are sequentially connected in the storage box placing cavity from back to front in a sliding mode, a T-shaped sliding block is connected in the T-shaped limiting groove in the sliding mode, and the distilled water storage box, the dry powder storage box and the yellow sand storage box are limited through the T-shaped sliding block. According to the invention, the yellow sand storage box, the dry powder storage box and the distilled water storage box are combined for use, so that a fire can be gradually extinguished, and the fire is prevented from further spreading.

Although the fire door in this scheme can play certain fire-retardant fire prevention effect through filling yellow sand, dry powder or water, nevertheless because the material of packing is many, bulky for the use and the transportation of fire door become heavy and inconvenient, should prevent fire door simultaneously can only just can make inside material outflow effect when receiving the destruction, the influence prevents fire door and carries out timely and efficient work, and because the fire-proof material of preventing the inside packing of fire door is limited, make to prevent fire door and have certain defect in the aspect of the fire-retardant fire prevention of persistence.

In view of the above, the invention provides a flame-retardant fireproof door, which is characterized in that the fireproof cavity and the sliding mechanism are arranged inside the door body, so that the door body can spray water to a fire scene through the water outlet groove, the fireproof door can have more effective flame-retardant and fireproof effects, meanwhile, the fireproof door is lighter and more convenient to use, and can extinguish a fire for an escape person catching fire on clothes, thereby greatly improving the using effect of the flame-retardant fireproof door.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides the flame-retardant fireproof door, the door body can spray water to a fire scene through the water outlet groove by arranging the fireproof cavity and the sliding mechanism in the door body, so that the fireproof door can have more effective flame-retardant and fireproof effects, is lighter and more convenient and faster in use, and can extinguish a fire for an escape person catching fire on clothes, thereby greatly improving the using effect of the flame-retardant fireproof door.

The technical scheme adopted by the invention for solving the technical problems is as follows: a flame-retardant fireproof door comprises a door body and a door frame arranged on one side of the door body; the fireproof door is characterized in that a fireproof cavity is arranged in the door body, a sliding plate made of elastic rubber materials is arranged in the middle of the fireproof cavity in an interference fit mode, the sliding plate can seal a fireproof cavity chamber at the bottom end of the fireproof cavity chamber and can freely slide in the fireproof cavity chamber, the top end of the sliding plate is connected with a traction plate, the top end of the inner wall of the fireproof cavity is connected with a positioning plate, the traction plate is connected with the middle of the positioning plate in a sliding mode, a group of connecting rods are symmetrically connected to the top end of the traction plate, baffle plates are connected to the outer ends of the connecting rods, water outlet grooves matched with the baffle plates are formed in the side wall of the door body on one side of the baffle plates, a water flow groove is formed in the door frame at the top end of the door body and connected with; an inductor is arranged on the inner wall of the door body at the top end of the traction plate; when the fireproof door works, as the currently used steel fireproof door filling materials are mainly silicate fibers, rock wool and the like, the fireproof door filling materials have the defects of low strength, toxicity, great harm to human bodies and unsuitability for industrial production, although the fireproof door in the prior art can play a certain flame-retardant fireproof effect by filling yellow sand, dry powder or water, the fireproof door in the prior art is heavy and inconvenient to use and transport due to the fact that the filled materials are more and heavy in volume, meanwhile, the fireproof door can only enable the internal materials to flow out when being damaged, so that the fireproof door is influenced to work timely and efficiently, and as the fireproof materials filled in the fireproof door are limited, the fireproof door has certain defects in the aspect of continuous flame-retardant fireproof; when the fireproof door is used, the baffle in an initial state is positioned at the position of the water outlet groove and can block the water outlet groove, when a fire disaster happens to one side of the fireproof door, air in the fireproof cavity at the bottom end of the sliding plate is heated and expanded, the expanded gas pushes the sliding plate to move towards the top end of the fireproof cavity, the moving sliding plate can drive the baffle to synchronously move upwards through the traction plate at the top end and the connecting rod, so that the water outlet groove is not blocked by the baffle, and when the traction plate moves upwards to a certain distance, the sensor can sense the moving position of the traction plate and control the valve of an external water source to be opened, water can flow into the water outlet groove in the door frame, and meanwhile, the first water pipe and the second water pipe are in a communicated state, so that water in the water outlet groove continuously flows into the fireproof cavity at the top end of the positioning plate through the two communicated water pipes, and then make this water current of fire prevention intracavity portion spout to the scene of a fire through going out the basin, reduce the intensity of a fire to preventing that fire door department from stretching and burning out the condition of a body, thereby make prevent that fire door can play more effectual fire-retardant and fire prevention effect, prevent that the inside rivers of fire chamber also can cool down to preventing fire door simultaneously, increase the effect of preventing fire door when using, and because the internal portion of door no longer need fill high-quality fire proof material, make prevent that fire door is lighter and more handy when using, and when the scene personnel promote the door body and flee for one's life, the door body makes No. two water pipes stagger with a water pipe when rotating, the personnel of fleing that the clothes were caught fire can be put out a fire to the rivers that flow down from a water pipe department this moment, thereby the result of use.

Preferably, a sliding cavity is arranged on the inner wall of the door body corresponding to the top end of the baffle, a sliding block is connected in the sliding cavity in a sliding manner, a spring is connected between the inner end of the sliding block and the inner wall of the door body, an inclined extrusion surface is arranged on the bottom surface of the outer end of the sliding block, and an arc-shaped hook is arranged on the side wall of the connecting rod corresponding to the bottom end of the sliding block; when in work, in order to ensure that the water outlet groove on the fireproof door can continuously and stably spray water to the scene for fire extinguishing when in work, the hook and the sliding block which can be matched with each other are arranged inside the fireproof cavity, when the traction plate drives the connecting rod and the baffle plate to move upwards, the hook on the connecting rod can extrude the extrusion surface on the top end sliding block, so that the slide block can slide towards the inside of the slide cavity under the extrusion of the hook, when the top end of the arc-shaped hook crosses the slide block and does not extrude the slide block any more, at the moment, the slide block slides out of the slide cavity under the action of the rebound force of a spring in the slide block, and at the moment, the hook can be hung on the slide block and limits and fixes the baffle plate when resetting downwards so as to prevent the baffle plate from falling back and blocking the water outlet groove, thereby make the basin of going out be in the state of continuously opening and work, strengthened the stability and the continuation of preventing fire door at the during operation greatly.

Preferably, a communicating hole is formed in the side wall of the door body corresponding to the sliding cavity, an adjusting bolt is connected to the inside of the communicating hole in a threaded manner, and a traction rope is connected between the inner end of the adjusting bolt and the inner end of the sliding block; the during operation, in order to improve the continuity of preventing fire door when using, this moment through set up adjusting bolt on the door body lateral wall that the sliding chamber corresponds, when preventing fire door and putting out a fire and finishing no longer needing to use, because the gaseous shrink of the fire prevention intracavity portion of slide bottom, make the slide have the effort that resets downwards under the effect of this cavity atmospheric pressure, thereby make and have the effort of downstream with slider matched with couple, pull the slider through twisting out adjusting bolt from the intercommunicating pore inside this moment and through the haulage rope, make the slider atress to sliding chamber internal motion and no longer spacing the couple, and then make the couple downstream and carry out effectual restoration, prevent fire door convenience and continuity at the during operation has improved greatly.

Preferably, the free end of the sliding cavity is arranged obliquely upwards, and carbon dioxide gas is filled in the fireproof cavity; when the hook is in work, the free end of the sliding cavity is obliquely and upwards arranged, so that the sliding block positioned in the sliding cavity is synchronously obliquely arranged, the hook moves upwards to more easily and conveniently extrude the sliding block into the sliding cavity, and the situation that the sliding block is clamped with the side wall of the sliding cavity when the sliding block is extruded by the hook is reduced; simultaneously because carbon dioxide gas is changeed the inflation than the air when being heated to make the door body that packs and have carbon dioxide can more timely efficient work when being heated, and the slider can extrude the carbon dioxide gas on slider top through going out the basin when moving to the fire prevention chamber top, make the carbon dioxide gas that has the fire resistance can play certain flame retardant efficiency to the scene conflagration, thereby further improved the result of use who prevents fire door.

Preferably, a closed cavity is formed in the inner wall of the door body at the bottom end of the second water pipe, a through type closed groove is formed in the bottom surface of the closed cavity, and a closed plate made of a magnetic material is rotatably connected to the top end of the traction plate; the during operation, in order to make prevent that fire door can the pertinence put out a fire to the conflagration of door body one side, through at the internal portion of door set up closed chamber this moment, when the door body only one side conflagration breaks out, the traction plate can drive closed plate top and move in advance to closed groove inner wall, and take place the gas expansion degree in the half fire prevention chamber cavity that fire behavior one side closed plate side corresponds and be greater than half cavity, make the closed plate top rotate and adsorb with it to the closed groove lateral wall of keeping away from the conflagration under the effect of both sides atmospheric pressure difference, thereby make pivoted closed plate can keep away from half notch of conflagration with the closed groove and shutoff, reduce the rivers of closed intracavity portion and flow into and flow out to the play basin department of keeping away from the conflagration, thereby make rivers can be more abundant act on the ignition point, thereby further improved the operating mass.

Preferably, a limiting block is arranged on the top surface of the traction plate on one side of the bottom end of the closed plate, and two side surfaces, corresponding to the thickness direction of the door body, of the closed cavity are inclined surfaces matched with the side surfaces of the closed plate; the during operation, in order to improve the validity of closing plate at the during operation, prevent that the closing plate from just taking place excessive skew before inserting the closed groove, and then unable effectual and closed groove matched with condition, this moment can carry out the stopper of restriction to its turned angle through setting up in closing plate one side, effectual stability and the validity of having strengthened the closing plate when cooperating with the closed groove, simultaneously through setting up the inclined plane, make the pivoted closing plate can be more abundant effectual with the inclined plane contact laminating, thereby the shutoff quality to rivers after having improved closing plate and the closed groove cooperation greatly, further improvement prevent fire door's result of use.

The invention has the following beneficial effects:

1. according to the invention, the fireproof cavity and the sliding mechanism are arranged in the door body, so that the door body can spray water to a fire scene through the water outlet groove, the fireproof door can have more effective flame-retardant and fireproof effects, meanwhile, the fireproof door is lighter and more convenient and fast to use, and can extinguish a fire for an escape person catching fire on clothes, thereby greatly improving the using effect of the flame-retardant fireproof door.

2. According to the invention, the hook and the sliding block which can be matched with each other are arranged in the fireproof cavity, so that the situation that the baffle falls back to block the water outlet groove can be effectively prevented, the water outlet groove is in a state of continuous opening and working, and the stability and the continuity of the fireproof door during working are greatly enhanced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

in the figure: the door body 1, the fireproof cavity 11, the sliding plate 12, the traction plate 13, the positioning plate 14, the connecting rod 15, the baffle 16, the water outlet groove 17, the sensor 18, the door frame 2, the water flow groove 21, the first water pipe 22, the second water pipe 23, the sliding cavity 3, the sliding block 31, the spring 32, the extrusion surface 33, the hook 34, the communication hole 35, the adjusting bolt 36, the traction rope 37, the closed cavity 4, the closed groove 41, the closed plate 42, the limiting block 43 and the inclined surface 44.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.

As shown in fig. 1 to 5, the flame retardant fireproof door of the present invention includes a door body 1 and a door frame 2 installed at one side of the door body 1; a fireproof cavity 11 is arranged inside the door body 1, a sliding plate 12 made of elastic rubber material is arranged in the middle of the fireproof cavity 11 in an interference manner, the sliding plate 12 can seal the fire-proof chamber 11 at the bottom end and can slide freely in the interior, the top end of the sliding plate 12 is connected with a traction plate 13, the top end of the inner wall of the fireproof cavity 11 is connected with a positioning plate 14, the traction plate 13 is connected with the middle part of the positioning plate 14 in a sliding way, and the top end of the traction plate 13 is symmetrically connected with a group of connecting rods 15, the outer ends of the connecting rods 15 are connected with baffle plates 16, a water outlet groove 17 matched with the baffle 16 is arranged on the side wall of the door body 1 at one side of the baffle 16, a water flow groove 21 is arranged in the door frame 2 at the top end of the door body 1, the water flow groove 21 is connected with an external water source, the bottom end of the water flow groove 21 is connected with a group of first water pipes 22, and the upper end face of the door body 1 is connected with a group of second water pipes 23 matched with the first water pipes 22; an inductor 18 is arranged on the inner wall of the door body 1 at the top end of the traction plate 13; when the fireproof door works, as the currently used steel fireproof door filling materials are mainly silicate fibers, rock wool and the like, the fireproof door filling materials have the defects of low strength, toxicity, great harm to human bodies and unsuitability for industrial production, although the fireproof door in the prior art can play a certain flame-retardant fireproof effect by filling yellow sand, dry powder or water, the fireproof door in the prior art is heavy and inconvenient to use and transport due to the fact that the filled materials are more and heavy in volume, meanwhile, the fireproof door can only enable the internal materials to flow out when being damaged, so that the fireproof door is influenced to work timely and efficiently, and as the fireproof materials filled in the fireproof door are limited, the fireproof door has certain defects in the aspect of continuous flame-retardant fireproof; when the fireproof door is used, the baffle 16 in an initial state is positioned at the position of the water outlet groove 17 and can block the water outlet groove, when a fire disaster occurs at one side of the fireproof door, air in the cavity of the fireproof cavity 11 at the bottom end of the sliding plate 12 is heated to expand, the expanded air pushes the sliding plate 12 to move towards the top end of the fireproof cavity 11, the moving sliding plate 12 can drive the baffle 16 to move upwards synchronously through the traction plate 13 at the top end and the connecting rod 15, so that the baffle 16 does not block the water outlet groove 17 any more, and when the traction plate 13 moves upwards to a certain distance, the sensor 18 can sense the movement position of the traction plate 13 and control the valve of an external water source to be opened, at the moment, water can flow into the water outlet groove 21 in the door frame 2, and meanwhile, the first water flow groove 22 and the second water groove 23 are in a communicated state, so that the water in the water flow 21 continuously flows into the fireproof cavity 11 at the top end of, and then make the inside rivers of this fire prevention chamber 11 spout to the scene of a fire through outlet chute 17, reduce the intensity of a fire and stretch and burn out the condition of a body 1 to preventing fire door department, thereby make prevent fire door can play more effectual fire-retardant and fire prevention effect, the inside rivers of preventing fire chamber 11 simultaneously also can cool down to preventing fire door, increase the effect of preventing fire door when using, and because the inside high-quality fire proof material that no longer needs to be filled of a body 1, make prevent fire door lighter and handy when using, and when on-the-spot personnel promote a body 1 and flee, door 1 makes No. two water pipe 23 stagger with a water pipe 22 when rotating, the rivers that flow down from a water pipe 22 department can put out a fire the personnel of fleing on fire the clothes this moment, thereby further improved the result of use of fire-retardant type fire door.

As an embodiment of the present invention, a sliding cavity 3 is installed on the inner wall of the door body 1 corresponding to the top end of the baffle 16, a sliding block 31 is connected in the sliding cavity 3 in a sliding manner, a spring 32 is connected between the inner end of the sliding block 31 and the inner wall of the door body 1, an inclined extrusion surface 33 is arranged on the bottom surface of the outer end of the sliding block 31, and an arc-shaped hook 34 is arranged on the side wall of the connecting rod 15 corresponding to the bottom end of the sliding block 31; when the fire door fire-extinguishing device works, in order to enable the water outlet groove 17 on the fire door to continuously and stably spray water to a scene for fire extinguishment during work, at the moment, the hook 34 and the sliding block 31 which can be matched with each other are arranged inside the fire-proof cavity 11, when the traction plate 13 drives the connecting rod 15 and the baffle 16 to move upwards, the hook 34 on the connecting rod 15 can extrude the extrusion surface 33 on the top end sliding block 31, so that the sliding block 31 can slide towards the inside of the sliding cavity 3 under the extrusion of the hook 34, when the top end of the arc-shaped hook 34 crosses the sliding block 31 and does not extrude the sliding block any more, at the moment, the sliding block 31 slides out from the sliding cavity 3 under the rebound force of the internal spring 32, at the moment, the hook 34 can be hung on the sliding block 31 and limit and fix the baffle 16 when resetting downwards, the baffle 16 is prevented from falling back to block the water outlet groove 17, so, the stability and the persistence of the fireproof door in work are greatly enhanced.

As an embodiment of the invention, a communicating hole 35 is formed in the side wall of the door body 1 corresponding to the sliding cavity 3, an adjusting bolt 36 is connected to the inside of the communicating hole 35 through a thread, and a traction rope 37 is connected between the inner end of the adjusting bolt 36 and the inner end of the sliding block 31; the during operation, in order to improve the continuity of preventing fire door when using, at this moment through set up adjusting bolt 36 on the door body 1 lateral wall that sliding chamber 3 corresponds, when preventing fire door and putting out a fire and finishing no longer needing to use, because the inside gaseous shrink in the fire prevention chamber 11 of sliding 12 bottom, make sliding 12 have the effort that resets downwards under the effect of this cavity atmospheric pressure, thereby make and have the effort of downstream with slider 31 matched with couple 34, pull slider 31 through twisting adjusting bolt 36 out and through haulage rope 37 from intercommunicating pore 35 is inside this moment, make slider 31 atress to 3 internal motion in sliding chamber and no longer carry on spacingly to couple 34, and then make couple 34 downstream and effectual reseing, the convenience and the continuity of preventing fire door at the during operation have been improved greatly.

As an embodiment of the present invention, the free end of the sliding chamber 3 is disposed obliquely upward, and the interior of the fire-proof chamber 11 is filled with carbon dioxide gas; when the sliding device works, the free end of the sliding cavity 3 is obliquely and upwards arranged, so that the sliding block 31 positioned in the sliding cavity 3 is synchronously obliquely arranged, the hook 34 moves upwards to more easily and conveniently extrude the sliding block 31 into the sliding cavity 3, and the situation that the sliding block 31 is clamped with the side wall of the sliding cavity 3 when being extruded by the hook 34 is reduced; simultaneously because carbon dioxide is gaseous to be changeed the inflation than the air when being heated to make the door body 1 that is filled with the carbon dioxide can more in time efficient work when being heated, and slider 31 can extrude the carbon dioxide gas on slider 31 top through play basin 17 when moving to the 11 tops in fire prevention chamber, make the carbon dioxide gas that has the fire retardance can play certain flame retardant efficiency to the scene conflagration, thereby further improved the result of use of preventing fire door.

As an embodiment of the invention, a closed cavity 4 is arranged on the inner wall of the door body 1 at the bottom end of the second water pipe 23, a through type closed groove 41 is arranged on the bottom surface of the closed cavity 4, and a closed plate 42 made of a magnetic material is rotatably connected to the top end of the traction plate 13; in operation, in order to ensure that the fireproof door can pertinently extinguish a fire on one side of the door body 1, the closed cavity 4 is arranged inside the door body 1, when a fire disaster happens to only one side of the door body 1, the traction plate 13 can drive the top end of the closing plate 42 to move to the inner wall of the closing groove 41 in advance, and the gas expansion degree in the half of the fire-proof cavity 11 corresponding to the side surface of the fire-extinguishing side closing plate 42 is larger than that in the other half of the fire-proof cavity, so that the top end of the closing plate 42 rotates towards the side wall of the closing groove 41 far away from the fire under the action of the air pressure difference at the two sides and is adsorbed with the side wall, so that the rotating closing plate 42 can block the half notch of the closing groove 41 far away from the fire, reduce the water flow in the closing cavity 4 from flowing into the water outlet groove 17 far away from the fire and flowing out, thereby make rivers can be more abundant act on the ignition point to fire door's operating mass is further improved.

As an embodiment of the present invention, a limit block 43 is disposed on the top surface of the traction plate 13 on one side of the bottom end of the closing plate 42, and two side surfaces of the closing cavity 4 corresponding to the thickness direction of the door body 1 are disposed as inclined surfaces 44 matched with the side surfaces of the closing plate 42; in operation, in order to improve the validity of closing plate 42 at the during operation, prevent that closing plate 42 from just taking place excessive skew before not inserting closing groove 41, and then unable effectual and closing groove 41 matched with condition, this moment through set up the stopper 43 that can carry out the restriction to its turned angle in closing plate 42 one side, effectual stability and the validity of having strengthened closing plate 42 when cooperating with closing groove 41, simultaneously through setting up inclined plane 44, make and take place pivoted closing plate 42 can be more abundant effectual and inclined plane 44 contact laminating, thereby the shutoff quality to rivers after closing plate 42 and closing groove 41 cooperation has been improved greatly, further improvement prevent fire door's result of use.

When the fire door works, the baffle 16 in the initial state is located at the position of the water outlet groove 17 and can block the water outlet groove, when a fire disaster occurs at one side of the fire door, air in the cavity of the fire-proof cavity 11 at the bottom end of the sliding plate 12 is heated and expanded, at the moment, the expanded gas pushes the sliding plate 12 to move towards the top end of the fire-proof cavity 11, so that the moving sliding plate 12 can drive the baffle 16 to move upwards synchronously through the traction plate 13 at the top end and the connecting rod 15, the baffle 16 does not block the water outlet groove 17 any more, and when the traction plate 13 moves upwards to a certain distance, the sensor 18 can sense the movement position of the traction plate 13 and control the valve of an external water source to be opened, at the moment, water can flow into the water flow groove 21 in the door frame 2, meanwhile, the first water pipe 22 and the second water pipe flow groove 23 are in a communicated state, so that the water flow in the water 21, and then make the inside rivers of this fire prevention chamber 11 spout to the scene of a fire through outlet chute 17, reduce the intensity of a fire and stretch and burn out the condition of a body 1 to preventing fire door department, thereby make prevent fire door can play more effectual fire-retardant and fire prevention effect, the inside rivers of preventing fire chamber 11 simultaneously also can cool down to preventing fire door, increase the effect of preventing fire door when using, and because the inside high-quality fire proof material that no longer needs to be filled of a body 1, make prevent fire door lighter and handy when using, and when on-the-spot personnel promote a body 1 and flee, door 1 makes No. two water pipe 23 stagger with a water pipe 22 when rotating, the rivers that flow down from a water pipe 22 department can put out a fire the personnel of fleing on fire the clothes this moment, thereby further improved the result of use of fire-retardant type fire door.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A flame-retardant fireproof door comprises a door body (1) and a door frame (2) arranged on one side of the door body (1); the method is characterized in that: the fireproof door is characterized in that a fireproof cavity (11) is arranged inside the door body (1), a sliding plate (12) made of elastic rubber materials is arranged in the middle of the fireproof cavity (11) in an interference mode, the sliding plate (12) can seal a cavity of the fireproof cavity (11) at the bottom end of the fireproof cavity and can freely slide in the cavity, the top end of the sliding plate (12) is connected with a traction plate (13), the top end of the inner wall of the fireproof cavity (11) is connected with a positioning plate (14), the traction plate (13) is connected with the middle of the positioning plate (14) in a sliding mode, a group of connecting rods (15) are symmetrically connected to the top end of the traction plate (13), the outer ends of the connecting rods (15) are connected with baffle plates (16), a water outlet groove (17) matched with the baffle plates (16) is formed in the side wall of the door body (1) on one side of, the water flow groove (21) is connected with an external water source, the bottom end of the water flow groove (21) is connected with a group of first water pipes (22), and the upper end surface of the door body (1) is connected with a group of second water pipes (23) matched with the first water pipes (22); and an inductor (18) is arranged on the inner wall of the door body (1) at the top end of the traction plate (13).

2. The flame retardant fire rated door according to claim 1, wherein: install on the door body (1) inner wall that baffle (16) top corresponds and slide chamber (3), the inside sliding connection in slide chamber (3) has slider (31), be connected with spring (32) between slider (31) inner and the door body (1) inner wall, be provided with extrusion face (33) of slope on the bottom surface of slider (31) outer end, be equipped with curved couple (34) on connecting rod (15) the lateral wall that slider (31) bottom corresponds.

3. The flame retardant fire rated door according to claim 2, wherein: the sliding cavity (3) is provided with a communicating hole (35) on the side wall of the door body (1) corresponding to the sliding cavity, an adjusting bolt (36) is connected to the inner portion of the communicating hole (35) in a threaded mode, and a traction rope (37) is connected between the inner end of the adjusting bolt (36) and the inner end of the sliding block (31).

4. The flame retardant fire rated door according to claim 3, wherein: the free end of the sliding cavity (3) is arranged obliquely upwards, and carbon dioxide gas is filled in the fireproof cavity (11).

5. The flame retardant fire rated door according to claim 1, wherein: a closed cavity (4) is formed in the inner wall of the door body (1) at the bottom end of the second water pipe (23), a through type closed groove (41) is formed in the bottom surface of the closed cavity (4), and a closed plate (42) made of a magnetic material is rotatably connected to the top end of the traction plate (13).

6. The flame retardant fire rated door according to claim 5, wherein: and a limiting block (43) is arranged on the top surface of the traction plate (13) on one side of the bottom end of the closing plate (42), and two side surfaces, corresponding to the thickness direction of the door body (1), of the closing cavity (4) are arranged to be inclined surfaces (44) matched with the side surfaces of the closing plate (42).