CN111119701A - Metal door with fireproof and heat-insulating functions - Google Patents
Metal door with fireproof and heat-insulating functions Download PDFInfo
- Publication number
- CN111119701A CN111119701A CN201911312790.6A CN201911312790A CN111119701A CN 111119701 A CN111119701 A CN 111119701A CN 201911312790 A CN201911312790 A CN 201911312790A CN 111119701 A CN111119701 A CN 111119701A
- Authority
- CN
- China
- Prior art keywords
- fireproof
- door
- fire
- door frame
- elastic hose
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Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
- E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
-
- 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
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7042—Door leaves characterised by the filling between two external panels with a fire retardant layer
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a metal door with fireproof and heat-insulating functions, which comprises a door frame, wherein a groove is arranged in the door frame, a cavity is arranged in the door body, an elastic hose is fixed on the inner wall of the groove, a first fireproof bag is fixed on the side wall of the elastic hose, a second fireproof bag is arranged in the cavity, the fireproof, flame-retardant and heat-insulating effects are achieved, when a smoke sensor detects that a concentration value reaches a preset value, an air pump can be triggered, so that smoke can be pumped away by the air pump through an air inlet hopper, the elastic hose and a one-way valve in sequence, meanwhile, high-temperature gas can expand the elastic hose to push the first fireproof bag to fill and seal a gap between the door frame and the door body, so that the fire spreading and the smoke diffusion are completely blocked, meanwhile, the door frame and the door body absorb heat through the first fireproof bag and the second fireproof bag, so that the deformation time of the metal door at high temperature, thereby not influencing the normal opening and closing of the metal door and being beneficial to escape or rescue in fire accidents.
Description
Technical Field
The invention relates to a metal door, in particular to a metal door with fireproof and heat-insulating functions.
Background
The door is the device of installing at access & exit ability switch, the metal door is the type of wherein common door, nevertheless receive the toast of high temperature when meeting the conflagration, thermal-insulated effect is poor, high temperature easily leads to the metal door to take place the warpage simultaneously, deformation such as bending, the normal quick opening of influence metal door when the metal door is destroyed, thereby make probability greatly reduced flees, on the other hand, because there is the gap in the middle of door and the door frame, flame and smog are easily followed the gap and are scurried, thereby can not be fine prevention intensity of a fire and smog diffusion, consequently when taking place the accident, can not play fine safety protection performance.
Disclosure of Invention
In view of the above, the present invention is directed to a metal door with fireproof and heat-insulating functions, so as to achieve the fireproof and heat-insulating functions of the metal door.
The invention designs a metal door with fireproof and heat-insulating functions based on the above purposes, which comprises:
the door frame is internally provided with a groove;
the door body is hinged to one side of the door frame, and a cavity is formed in the door body;
the elastic hose is fixed on the inner wall of the groove;
the first fireproof bag is fixed on the side wall of the elastic hose and is used for fire retardance and heat absorption;
the second fireproof bag is arranged in the cavity and used for fire retardance and heat absorption;
the air inlet hopper is fixed on one side of the fire surface of the door frame, the air inlet hopper is oppositely provided with a closed end and an open end, and the open end outwards penetrates through the door frame;
the fireproof filter layer covers the open end of the air inlet hopper and is used for fire retardation and smoke filtration;
one end of the elastic hose is communicated with the closed end, and the other end of the elastic hose is communicated with the one-way valve;
the air pump is positioned on one side of the back fire surface of the door frame and is communicated with the one-way valve;
the smoke sensor is electrically connected with the air pump, is fixed on one side of the fire surface of the door frame and is used for detecting the concentration value of smoke;
when the smoke sensor detects that the concentration value reaches a preset value, the air pump can be triggered, so that smoke can be pumped away by the air pump through the air inlet hopper, the elastic hose and the one-way valve in sequence, and meanwhile, the elastic hose can be expanded to push the first fireproof bag to fill a gap between the closed door frame and the door body.
Preferably, the smoke sensor is also electrically connected with an audible and visual alarm, and when the smoke sensor detects that the concentration value reaches a preset value, the audible and visual alarm is triggered to give an alarm.
Preferably, the audible and visual alarm is integrated with a wireless communication module, and when triggered, the audible and visual alarm can send an alarm signal to the intelligent terminal equipment of a user through the wireless communication module.
Preferably, the fireproof filter layer comprises a flame retardant layer, a toxin filtering layer and a smoke filtering layer.
Preferably, the outer wall of the flexible hose is coated with a thermal barrier coating.
Preferably, the outer surfaces of the door frame, the door body and the air inlet hopper are coated with fireproof heat-insulating coatings.
Preferably, the fixing position of the air inlet hopper is positioned at the upper end of the door frame.
Preferably, the second fireproof bag is attached and fixed to the inner wall of the cavity on the side close to the fire receiving surface.
From the above, the metal door with fire-proof and heat-insulation functions is characterized in that the door frame is arranged, the groove is formed in the door frame, the cavity is formed in the door body, the elastic hose is fixed on the inner wall of the groove, the first fire-proof bag is fixed on the side wall of the elastic hose, the second fire-proof bag is arranged in the cavity, the outer layer of the first fire-proof bag and the outer layer of the second fire-proof bag can be made of glass fiber cloth which is tightly woven and durable through special treatment, so that the effects of fire resistance, fire resistance and heat insulation are achieved, the fire-proof, fire resistance and heat insulation materials and the expansion materials can be filled in the first fire-proof bag and the second fire-proof bag, the effects of fire resistance, fire resistance and heat insulation are achieved, meanwhile, the expansion materials can expand to absorb heat, so that the deformation time of the metal door at high temperature can be delayed, the metal door can be protected, the fire-proof and heat insulation effects are achieved, the, through the open air inlet design of the air inlet hopper, smoke is collected favorably, meanwhile, as smoke is usually mixed with high-temperature toxic gas and dust particles in a fire disaster, the effects of fire resistance and smoke filtration can be achieved through the fireproof filter layer, one end of the elastic hose is communicated with the closed end, the other end of the elastic hose is communicated with the air pump through the one-way valve, the air pump can be arranged on one side of the back fire surface of the door frame, the air pump is protected favorably and avoids potential safety hazards caused by the use of the air pump in severe environment, when the concentration value reaches a preset value through the smoke sensor, the air pump can be triggered, negative pressure is generated at one end of the one-way valve by the air pump, smoke can be pumped away through the air inlet hopper, the elastic hose and the one-way valve in sequence, meanwhile, the elastic hose can be expanded through high-temperature gas to push the first fireproof bag to fill gaps between the closed door, Fire-retardant, thermal-insulated effect, fill the gap between closed door frame and the door body through first fire prevention package, in order to reach the effect that comprehensive separation flame and smog were fleed, simultaneously through taking out and filtering smog, with better prevention intensity of a fire stretch and smog diffusion, on the other hand, through first fire prevention package and second fire prevention package to door frame and door body heat absorption, in order to delay the time of deformation under the metal door high temperature, and because the flexible characteristics of elastic hose, from not influencing the normal open and close of metal door, in order to do benefit to flee or rescue workers and labours in the fire incident, reach better guarantee personnel's safety's effect with this, smoke transducer detects when concentration value is less than the default, air pump stop work, the elastic hose shrink is in so that first fire prevention package withdrawal recess, from not influencing the normal use of metal door.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a door frame according to an embodiment of the present invention;
fig. 3 is a sectional view of a door body according to an embodiment of the present invention.
In the figure: 1 door frame, 2 recesses, 3 door bodies, 31 cavities, 4 flexible hoses, 5 first fireproof bags, 6 second fireproof bags, 7 air inlet hoppers, 71 closed ends, 72 open ends, 8 fireproof filter layers, 9 one-way valves, 10 air pumps, 11 smoke sensors, 12 audible and visual alarms and 13 wireless communication modules.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
A metal door with fireproof and heat-insulating functions is disclosed, as shown in figures 1 to 3, and comprises a door frame 1, a groove 2 is arranged in the door frame 1, one side of the door frame 1 is hinged with a door body 3, a cavity 31 is arranged in the door body 3, an elastic hose 4 is fixed on the inner wall of the groove 2, a first fireproof bag 5 is fixed on the side wall of the elastic hose 4 and used for fire retardance and heat absorption, a second fireproof bag 6 is arranged in the cavity 31 and used for fire retardance and heat absorption, an air inlet hopper 7 is fixed on one side of the fire-receiving surface of the door frame 1, the air inlet hopper 7 is oppositely provided with a closed end 71 and an open end 72, the open end 72 penetrates out of the door frame 1, the open end 72 of the air inlet hopper 7 is covered with a fireproof filter layer 8 and used for fire retardance and smoke filtration, a one-way valve 9 is arranged, one end of the elastic hose 4 is communicated with the closed end 71, the other end is, a smoke sensor 11 is fixed on one side of a fire surface of the door frame 1, the smoke sensor 11 is electrically connected with an air pump 10 and used for detecting the concentration value of smoke, when the smoke sensor 11 detects that the concentration value reaches a preset value, the air pump 10 can be triggered, so that the smoke can be pumped away by the air pump 10 through an air inlet hopper 7, an elastic hose 4 and a one-way valve 9 in sequence, and meanwhile, the elastic hose 4 can be expanded to push a first fireproof bag 5 to fill a gap between the closed door frame 1 and the door body 3.
The invention has the advantages that by arranging the door frame 1, the door frame 1 is internally provided with the groove 2, the door body 3 is internally provided with the cavity 31, the inner wall of the groove 2 is fixedly provided with the elastic hose 4, the side wall of the elastic hose 4 is fixedly provided with the first fireproof bag 5, the cavity 31 is internally provided with the second fireproof bag 6, the outer layer of the first fireproof bag 5 and the outer layer of the second fireproof bag 6 can be both made of glass fiber cloth which is tightly woven and durable through special treatment, thereby achieving the effects of fire resistance, fire retardation and heat insulation, the inner part of the first fireproof bag 5 and the inner part of the second fireproof bag 6 can be filled with fire-resistant, heat-insulating materials and expanding materials, thereby achieving the effects of fire resistance, fire retardation and heat insulation, meanwhile, the expanding materials can expand and absorb heat, thereby delaying the deformation time of the metal door at high temperature and being beneficial to the protection of the metal door, the air inlet hopper 7 is fixedly arranged on one side of, through the open air inlet design of the air inlet hopper 7, smoke is collected conveniently, meanwhile, as the smoke is usually mixed with high-temperature toxic gas and dust particles in a fire disaster, the fire retardant and smoke filtering effects can be achieved through the fireproof filter layer 8, one end of the elastic hose 4 is communicated with the closed end 71, the other end of the elastic hose is communicated with the air pump 10 through the one-way valve 9, the air pump 10 can be arranged on one side of the back fire surface of the door frame 1, the air pump 10 is protected conveniently, potential safety hazards caused by the use of the air pump 10 in a severe environment are avoided, when the smoke sensor 11 detects that the concentration value reaches a preset value, the air pump 10 can be triggered, the air pump 10 generates negative pressure at one end of the one-way valve 9, so that the smoke can sequentially pass through the air inlet hopper 7, the elastic hose 4 and the one-way valve 9 to be pumped away by the air pump 10, meanwhile, therefore, the first fireproof bag 5 and the second fireproof bag 6 play a role in fire resistance, flame retardance and heat insulation for the door frame 1 and the door body 3, gaps between the door frame 1 and the door body 3 are sealed through the first fireproof bag 5 in a filling mode, so that the effect of comprehensively blocking flames and smoke from escaping is achieved, meanwhile, smoke is drawn out and filtered, so that fire spreading and smoke diffusion are better prevented, on the other hand, the first fireproof bag 5 and the second fireproof bag 6 absorb heat for the door frame 1 and the door body 3, so that the time of deformation of the metal door at high temperature is delayed, due to the fact that the elastic hose 4 can be elastically stretched, normal opening and closing of the metal door are not affected, escape or rescue in fire accidents are facilitated, so that the effect of better guaranteeing personnel safety is achieved, when the smoke sensor 11 detects that a concentration value is lower than a preset value, the air pump 10 stops working, the elastic hose 4 contracts to enable the first fireproof bag 5 to retract into the groove 2, so as not to interfere with the normal use of the metal door.
In the embodiment of the invention, the smoke sensor 11 is also electrically connected with an audible and visual alarm 12, and when the smoke sensor 11 detects that the concentration value reaches a preset value, the audible and visual alarm 12 is triggered to alarm so as to achieve the warning effect.
In the embodiment of the invention, the audible and visual alarm 12 is integrated with the wireless communication module 13, and when the audible and visual alarm 12 is triggered, an alarm signal can be sent to the intelligent terminal equipment of a user through the wireless communication module 13, so that the remote real-time monitoring and the timely rescue can be facilitated.
In the embodiment of the present invention, the fire-proof filter layer 8 includes a fire-proof layer, a poison-filtering layer and a smoke-filtering layer, wherein the fire-proof layer can be made of fire-proof cotton cloth and used for fire prevention and fire retardation, the poison-filtering layer can be made of an activator and activated carbon and used for filtering toxic gas in smoke, and the smoke-filtering layer can be made of glass fiber and used for filtering particle dust in smoke.
In an embodiment of the present invention, the outer wall of the flexible hose 4 may be coated with a thermal insulation coating to facilitate the thermal insulation of the outer wall of the flexible hose 4 against the door frame 1.
In the embodiment of the invention, the outer surfaces of the door frame 1, the door body 3 and the air inlet hopper 7 are coated with fireproof heat-insulating coating, so that further fireproof heat insulation is facilitated.
In the embodiment of the invention, the fixed position of the air inlet hopper 7 is positioned at the upper end of the door frame 1, and smoke at high temperature in a fire disaster floats upwards, so that the air inlet hopper 7 is positioned to be beneficial to collecting and pumping the smoke.
In the embodiment of the invention, the second fireproof bag 6 is attached and fixed on the inner wall of the cavity 31 close to the side of the fire-receiving surface, so that the door body 3 can directly absorb heat from the side of the fire-receiving surface, and the deformation time of the metal door at high temperature can be delayed.
In the metal door with fireproof and heat-insulating functions, the groove 2 is arranged in the door frame 1, the cavity 31 is arranged in the door body 3, the elastic hose 4 is fixed on the inner wall of the groove 2, the first fireproof bag 5 is fixed on the side wall of the elastic hose 4, the second fireproof bag 6 is arranged in the cavity 31, the air inlet hopper 7 is fixed on one side of the fire-receiving surface of the door frame 1, the opening end 72 of the air inlet hopper 7 is covered with the fireproof filter layer 8, when the smoke sensor 11 detects that the concentration value reaches the preset value, the air pump 10 can be triggered, so that smoke can be pumped away by the air pump 10 through the air inlet hopper 7, the elastic hose 4 and the one-way valve 9 in sequence, meanwhile, the high-temperature gas can expand the elastic hose 4 to push the first fireproof bag 5 to fill and seal the gap between the door frame 1 and the door body 3, so as to completely block fire spreading and smoke diffusion, when, the air pump 10 stops working, the flexible hose 4 contracts to enable the first fireproof bag 5 to retract into the groove 2, so that normal use of the metal door is not affected, in addition, the smoke sensor 11 is also electrically connected with an audible and visual alarm 12, when the smoke sensor 11 detects that the concentration value reaches a preset value, the audible and visual alarm 12 can be triggered to give an alarm, the audible and visual alarm 12 is further integrated with a wireless communication module 13, when the audible and visual alarm 12 is triggered, an alarm signal can be sent to intelligent terminal equipment of a user through the wireless communication module 13, in addition, the fireproof filter layer 8 comprises a flame retardant layer, a toxin filtering layer and a smoke filtering layer, the outer wall of the flexible hose 4 can be coated with a heat insulation coating, so that the outer wall of the flexible hose 4 can insulate heat from the door frame 1, the outer surfaces of the door frame 1, the door body 3 and the air inlet hopper 7 are coated with fireproof heat, in order to do benefit to the collection and take smog out, the laminating of second fire prevention package 6 is fixed in cavity 31 and is close to on the inner wall of the face one side of being fired to do benefit to directly to the door body 3 face one side that is fired heat absorption, in order to delay the time of metal door deformation under the high temperature.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A metal door with fireproof and heat-insulating functions is characterized by comprising:
the door frame is internally provided with a groove;
the door body is hinged to one side of the door frame, and a cavity is formed in the door body;
the elastic hose is fixed on the inner wall of the groove;
the first fireproof bag is fixed on the side wall of the elastic hose and is used for fire retardance and heat absorption;
the second fireproof bag is arranged in the cavity and used for fire retardance and heat absorption;
the air inlet hopper is fixed on one side of the fire receiving surface of the door frame, a closed end and an open end are oppositely arranged on the air inlet hopper, and the open end penetrates out of the door frame;
the fireproof filter layer covers the open end of the air inlet hopper and is used for retarding fire and filtering smoke;
one end of the elastic hose is communicated with the closed end, and the other end of the elastic hose is communicated with the one-way valve;
the air pump is positioned on one side of the back fire surface of the door frame and is communicated with the one-way valve;
the smoke sensor is electrically connected with the air pump, is fixed on one side of the fire surface of the door frame and is used for detecting the concentration value of smoke;
when the smoke sensor detects that the concentration value reaches a preset value, the air pump can be triggered, so that smoke can be pumped away by the air pump through the air inlet hopper, the elastic hose and the one-way valve in sequence, and meanwhile, the elastic hose can be expanded to push the first fireproof bag to fill and seal a gap between the door frame and the door body.
2. The metal door with the functions of fire prevention and heat insulation as claimed in claim 1, further comprising an audible and visual alarm, wherein the audible and visual alarm is electrically connected to the smoke sensor, and the smoke sensor triggers the audible and visual alarm to give an alarm when detecting that the concentration value reaches the preset value.
3. The metal door with the functions of fire prevention and heat insulation as claimed in claim 2, wherein the audible and visual alarm is integrated with a wireless communication module, and when the audible and visual alarm is triggered, an alarm signal can be sent to an intelligent terminal device of a user through the wireless communication module.
4. The metal door with the functions of fire prevention and heat insulation as claimed in claim 1, wherein the fire prevention filter layer comprises a fire retardant layer, a poison filtering layer and a smoke filtering layer.
5. The metal door with fireproof and heat insulation functions as claimed in claim 1, wherein the outer wall of the elastic hose is coated with heat insulation paint.
6. The metal door with the functions of fire prevention and heat insulation as claimed in claim 1, wherein the outer surfaces of the door frame, the door body and the air inlet hopper are coated with fire prevention and heat insulation paint.
7. The metal door with fireproof and heat insulation functions as claimed in claim 1, wherein the fixing position of the air inlet hopper is located at the upper end of the door frame.
8. The metal door with fireproof and heat insulation functions as claimed in claim 1, wherein the second fireproof bag is attached and fixed to the inner wall of the cavity on the side close to the fire receiving surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312790.6A CN111119701A (en) | 2019-12-18 | 2019-12-18 | Metal door with fireproof and heat-insulating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312790.6A CN111119701A (en) | 2019-12-18 | 2019-12-18 | Metal door with fireproof and heat-insulating functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111119701A true CN111119701A (en) | 2020-05-08 |
Family
ID=70498349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312790.6A Pending CN111119701A (en) | 2019-12-18 | 2019-12-18 | Metal door with fireproof and heat-insulating functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111119701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647819A (en) * | 2020-12-20 | 2021-04-13 | 江苏省金鑫安防设备有限公司 | Steel fireproof door and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205778336U (en) * | 2016-05-11 | 2016-12-07 | 宁波爱瑞门业有限公司 | A kind of Special steel fire door |
| KR20180129284A (en) * | 2017-05-26 | 2018-12-05 | 이승용 | Composite performance fire door |
| CN208203031U (en) * | 2018-05-24 | 2018-12-07 | 马鞍山小古精密机电科技有限公司 | A kind of fire exit door with smoke discharging function |
| CN208330099U (en) * | 2018-04-17 | 2019-01-04 | 天津市格林门业有限公司 | A kind of resistance cigarette fire resistant doorsets |
| CN208456426U (en) * | 2018-06-25 | 2019-02-01 | 浙江振元门业有限公司 | A kind of fire-fighting fire resisting door |
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2019
- 2019-12-18 CN CN201911312790.6A patent/CN111119701A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205778336U (en) * | 2016-05-11 | 2016-12-07 | 宁波爱瑞门业有限公司 | A kind of Special steel fire door |
| KR20180129284A (en) * | 2017-05-26 | 2018-12-05 | 이승용 | Composite performance fire door |
| CN208330099U (en) * | 2018-04-17 | 2019-01-04 | 天津市格林门业有限公司 | A kind of resistance cigarette fire resistant doorsets |
| CN208203031U (en) * | 2018-05-24 | 2018-12-07 | 马鞍山小古精密机电科技有限公司 | A kind of fire exit door with smoke discharging function |
| CN208456426U (en) * | 2018-06-25 | 2019-02-01 | 浙江振元门业有限公司 | A kind of fire-fighting fire resisting door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647819A (en) * | 2020-12-20 | 2021-04-13 | 江苏省金鑫安防设备有限公司 | Steel fireproof door and preparation method thereof |
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Application publication date: 20200508 |
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| RJ01 | Rejection of invention patent application after publication |