CN111535721A - Fire-proof door - Google Patents

Fire-proof door Download PDF

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Publication number
CN111535721A
CN111535721A CN202010435779.5A CN202010435779A CN111535721A CN 111535721 A CN111535721 A CN 111535721A CN 202010435779 A CN202010435779 A CN 202010435779A CN 111535721 A CN111535721 A CN 111535721A
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CN
China
Prior art keywords
sealing ring
door
air guide
main body
annular groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010435779.5A
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Chinese (zh)
Inventor
黄长柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010435779.5A priority Critical patent/CN111535721A/en
Publication of CN111535721A publication Critical patent/CN111535721A/en
Withdrawn legal-status Critical Current

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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a fireproof door, which comprises a door plate main body, wherein a concave cavity is formed in one side surface or two side surfaces of the door plate main body, an annular bulge is formed at the edge of the door plate main body through the concave cavity, a first annular groove is formed in the inner side surface of the annular bulge, a corresponding second annular groove is formed in the outer wall surface of the door plate main body, which is opposite to the first annular groove, a hollow sealing ring is arranged in the second annular groove, more than one elastic sealing ring is arranged in the first annular groove in a stretching mode, and a positioning shaft is arranged at each of four corners of each elastic sealing ring. According to the door body, when a fire source exists near the door body, the reset elastic sealing ring can be effectively in friction contact with the surface of the door plate main body to take away flame, the hollow sealing ring is expanded after the elastic sealing ring is reset, and then the gap between the hollow sealing ring and the wall surface is isolated by the hollow sealing ring, so that smoke leakage is prevented, and the fire safety is improved.

Description

Fire-proof door
Technical Field
The invention relates to a door body, in particular to a fireproof door.
Background
Among the current building body, often can be provided with a large amount of wooden doors, the cost is very low, the appearance is pleasing to the eye, but because wooden door fire protection ability is poor, very easy when the conflagration breaing out, the door body is lighted, lead to escape passageway to be blocked, and the clearance between the door body and the building body is big, when the conflagration breaing out, the flue gas runs out easily, lead to whole corridor to be full of the flue gas, serious potential safety hazard has been brought for the escaper, these dense smokes can lead to the escaper to suffocate, increase the degree of difficulty of fleing.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fireproof door, which can remove an ignited area on a door plate by utilizing the frictional contact between an elastic sealing ring and the door body when flame exists on the door body, so that the ignition probability of the door body is reduced, and meanwhile, after the door plate bears the flame erosion, the hollow sealing ring can be expanded, a gap is blocked, the propagation of smoke is reduced, and the escape probability is increased.
The invention is realized by the following technical scheme: a fireproof door comprises a door panel main body, a concave cavity is arranged on one side surface or two side surfaces of the door panel main body, an annular bulge is formed at the edge of the door panel main body through the concave cavity, a first annular groove is arranged on the inner side surface of the annular bulge, a corresponding second annular groove is arranged on the outer wall surface of the door panel main body opposite to the first annular groove, a hollow sealing ring is arranged in the second annular groove, more than one elastic sealing ring is arranged in the first annular groove in a stretching mode, a positioning shaft is arranged at each of four corners of each elastic sealing ring, the elastic sealing rings are fixed in the first annular groove in a positioning mode through the positioning shafts after being stretched, the elastic sealing rings are arranged in the first annular groove in an inner-outer overlapping mode in a stretching mode, more than one adsorption air guide device is arranged between each hollow sealing ring and the elastic sealing ring closest to the hollow sealing ring, and the hollow sealing rings do not expand when the elastic sealing rings are located in the first annular groove.
According to the preferable technical scheme, the adsorption and air guide devices respectively comprise a sealing shaft sleeve, an air guide channel is arranged in the sealing shaft sleeve, a sealing piston is arranged in the air guide channel, the air guide channel is sealed through the sealing piston, the outer side end of the sealing piston is connected with a piston rod, and the piston rod is in magnetic attraction connection with the closest elastic sealing ring.
As the preferred technical scheme, the air guide channel is connected and communicated with the air storage cavity in the hollow sealing ring through an air guide port, the inner diameter of the air guide port is smaller than that of the air guide channel, a spring is arranged between one side surface of the air guide port and the sealing piston, one end of the spring is bonded with one side surface of the air guide port, the other end of the spring is bonded with the end surface of the sealing piston, and the spring is stretched when being arranged in the air guide channel.
As the preferred technical scheme, more than one first magnetic suction block is embedded in the elastic sealing ring, a second magnetic suction block is embedded in the piston rod opposite to the first magnetic suction block, the first magnetic suction block and the second magnetic suction block are attracted, and when the first magnetic suction block and the second magnetic suction block are attracted, the spring is in a stretching shape.
According to the preferable technical scheme, the positioning shafts comprise two first positioning shafts and two second positioning shafts, a penetrating positioning through hole is formed in the door panel main body opposite to the first positioning shafts, the first positioning shafts penetrate through the positioning through hole and are flush with the outer side face of the door panel main body, and the second positioning shafts are located in the door panel main body and are not exposed.
As the preferred technical scheme, the first positioning shafts are made of rubber materials, the first positioning shafts are arranged on two sides of the top of the door panel main body, and the second positioning shafts are arranged on two sides of the bottom of the door panel main body.
As a preferred technical scheme, the hollow sealing ring and the elastic sealing ring are both made of elastic rubber materials.
According to the preferable technical scheme, more than one liquid storage tank is formed in the bottom surface of the first annular cavity, the liquid storage tanks are filled with flame-retardant liquid, the flame-retardant liquid is sealed through elastic sealing rings, elastic sponge layers are convexly arranged on one side surfaces, opposite to the liquid storage tanks, of the elastic sealing rings, and the elastic sponge layers are buckled in the liquid storage tanks and are in contact with the flame-retardant liquid.
The invention has the beneficial effects that: according to the invention, when flame exists on the door panel, the friction force between the elastic sealing ring and the door body is utilized to remove the flame, and meanwhile, a layer of flame retardant liquid is covered, so that the fireproof capacity of the door panel is increased, and the door gap can be sealed, so that the smoke cannot overflow to other spaces, the flow of the smoke in each space is reduced, the escape safety is increased, and the suffocation rate is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall internal structural view of the present invention;
FIG. 2 is an external structural view of the door panel body after the hollow seal ring of the present invention is expanded;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partially enlarged view of fig. 1 at B.
Detailed Description
As shown in figure 1, the fireproof door comprises a door plate main body 2, a concave cavity 4 is arranged on one side surface or two side surfaces of the door plate main body 2, an annular bulge is formed at the edge of the door plate main body 2 through the concave cavity 4, a first annular groove is arranged on the inner side surface of the annular bulge, a corresponding second annular groove is arranged on the outer wall surface of the door plate main body opposite to the first annular groove, a hollow sealing ring 1 is arranged in the second annular groove, more than one elastic sealing ring 5 is arranged in the first annular groove in a stretching mode, a positioning shaft is respectively arranged at four corners of the elastic sealing ring 5, the elastic sealing ring 5 is fixed in the first annular groove in a positioning mode through the positioning shaft after being stretched, the elastic sealing rings are arranged in the first annular groove in a stretching mode in an inner-outer overlapping mode, more than one adsorption air guide device 3 is arranged, when the elastic sealing rings 5 are all positioned in the first annular groove, the hollow sealing ring 1 is not expanded.
As shown in fig. 3, the adsorption air guide devices 3 each include a sealing shaft sleeve 37, an air guide channel is provided in the sealing shaft sleeve 37, a sealing piston 33 is provided in the air guide channel, the air guide channel is sealed by the sealing piston 33, the outer end of the sealing piston 33 is connected with a piston rod 36, the piston rod 36 is magnetically connected with the nearest elastic sealing ring 5, the air guide channel is connected and communicated with the air storage cavity 11 in the hollow sealing ring 1 through an air guide opening 31, the inner diameter of the air guide opening 31 is smaller than that of the air guide channel, a spring 32 is provided between one side of the air guide opening and the sealing piston, one end of the spring 32 is bonded with one side of the air guide opening, the other end is bonded with the end face of the sealing piston 33.
The embedding is provided with the first magnetism piece 35 of more than one on the elastic sealing ring 5, just it is provided with the second magnetism piece 34 of inhaling to the embedding on the piston rod of first magnetism piece 35 of inhaling, first magnetism piece 35 and the actuation of second magnetism piece 34 of inhaling, when first magnetism piece 35 and the actuation of second magnetism piece 34 of inhaling, the spring is tensile form, when each elastic sealing ring passes through the location axle location in first annular groove, by magnetic force actuation piston rod 36, make the spring can not playback, just also can not make sealed piston displacement to medial extremity, and then can not extrude the gas in the air duct and enter into the gas storage intracavity, and then can not make the expansion of hollow sealing ring, but normal switch door this moment, can not be because expanded hollow sealing ring and building body frictional contact.
Wherein, the location axle includes two first location axles 6 and two second location axles 7, just all sets up a through-going positioning hole on the door plant main part 2 of first location axle 6, and first location axle 6 passes positioning hole and with 2 lateral surfaces parallel and level of door plant main part, and second location axle 7 is located inside not exposing of door plant main part 2, as shown in fig. 3.
First location axle 6 all adopts rubber materials to make, and first location axle 6 sets up in the top both sides of door plant main part, and second location axle 7 sets up in the bottom both sides of door plant main part 2. Because the first positioning shaft 6 is made of rubber which is easily combustible, after flame contacts the door body, the flame can firstly destroy the first positioning shaft, so that the elastic sealing ring at the innermost end cannot be stretched, after the first positioning shaft 6 is destroyed, the elastic sealing ring 5 resets from top to bottom under the elastic acting force, surface layer flame is taken away by using friction force, the purpose of physical fire extinguishment is achieved, and the elastic sealing ring is finally separated from the adsorption air guide device along with the continuous destruction of the first positioning shaft.
After separation, under the action of the spring 32, the piston rod 36 drives the sealing piston 33 to move towards the hollow sealing ring, so that the gas in the gas guide channel is pressed into the gas storage cavity, and the originally non-expanded hollow sealing ring is expanded, as shown in fig. 2, at the moment, the door gap is separated by the expanded hollow sealing ring, and the transmission of the smoke is prevented.
Wherein, hollow seal ring 1 all adopts elastic rubber material to make with elastic seal ring 5, has all seted up more than one reservoir (not shown) on the first annular cavity bottom surface, and the reservoir intussuseption is filled with fire-retardant liquid, and fire-retardant liquid passes through elastic seal ring 5 and seals, and elastic seal ring 5 all protrudes to be provided with elasticity sponge layer (not shown) relative reservoir one side, and elasticity sponge layer is detained and is contacted with fire-retardant liquid in the reservoir. In the resetting process of the elastic sealing ring, after the elastic sponge layer absorbing the flame-retardant liquid is contacted with the surface of the door plate main body, the flame-retardant liquid is smeared on the surface of the door plate main body, and then a flame-retardant layer is formed on the surface of the door plate main body, so that the fireproof capacity of the door body is improved.
The invention has the beneficial effects that: according to the invention, when flame exists on the door panel, the friction force between the elastic sealing ring and the door body is utilized to remove the flame, and meanwhile, a layer of flame retardant liquid is covered, so that the fireproof capacity of the door panel is increased, and the door gap can be sealed, so that the smoke cannot overflow to other spaces, the flow of the smoke in each space is reduced, the escape safety is increased, and the suffocation rate is reduced.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (8)

1. A fire door, its characterized in that: comprises a door plate main body, a concave cavity is arranged on one side surface or two side surfaces of the door plate main body, an annular bulge is formed at the edge of the door plate main body through the concave cavity, a first annular groove is arranged on the inner side surface of the annular bulge, a corresponding second annular groove is arranged on the outer wall surface of the door plate main body opposite to the first annular groove, a hollow sealing ring is arranged in the second annular groove, more than one elastic sealing ring is arranged in the first annular groove in a stretching mode, a positioning shaft is arranged at each of four corners of each elastic sealing ring, the elastic sealing rings are fixed in the first annular groove in a positioning mode through the positioning shafts after being stretched, the elastic sealing rings are arranged in the first annular groove in an inner-outer overlapping mode in a stretching mode, more than one adsorption air guide device is arranged between each hollow sealing ring and the elastic sealing ring closest to the hollow sealing ring, and the hollow sealing rings do not expand when the elastic sealing rings are located in the first annular groove.
2. A fire rated door as claimed in claim 1, further comprising: the adsorption air guide device comprises a sealing shaft sleeve, an air guide channel is arranged in the sealing shaft sleeve, a sealing piston is arranged in the air guide channel, the air guide channel is sealed through the sealing piston, the outer side end of the sealing piston is connected with a piston rod, and the piston rod is in magnetic attraction connection with the closest elastic sealing ring.
3. A fire rated door as claimed in claim 2, further comprising: the air guide channel is connected and communicated with the air storage cavity in the hollow sealing ring through an air guide port, the inner diameter of the air guide port is smaller than that of the air guide channel, a spring is arranged between one side surface of the air guide port and the sealing piston, one end of the spring is bonded with one side surface of the air guide port, the other end of the spring is bonded with the end surface of the sealing piston, and the spring is in a stretching shape when being installed in the air guide channel.
4. A fire rated door as claimed in claim 2, further comprising: more than one first magnetic suction block is embedded into the elastic sealing ring, a second magnetic suction block is embedded into the piston rod opposite to the first magnetic suction block, the first magnetic suction block and the second magnetic suction block are attracted, and when the first magnetic suction block and the second magnetic suction block are attracted, the spring is in a stretching shape.
5. A fire rated door as claimed in claim 1, further comprising: the positioning shafts comprise two first positioning shafts and two second positioning shafts, a through positioning through hole is formed in the door panel main body right facing the first positioning shafts, the first positioning shafts penetrate through the positioning through holes and are flush with the outer side face of the door panel main body, and the second positioning shafts are located in the door panel main body and are not exposed.
6. A fire rated door as claimed in claim 5, further comprising: the first positioning shafts are made of rubber materials, the first positioning shafts are arranged on two sides of the top of the door plate main body, and the second positioning shafts are arranged on two sides of the bottom of the door plate main body.
7. A fire rated door as claimed in claim 1, further comprising: the hollow sealing ring and the elastic sealing ring are both made of elastic rubber materials.
8. A fire rated door as claimed in claim 1, further comprising: more than one liquid storage tank is arranged on the bottom surface of the first annular cavity, flame-retardant liquid is filled in the liquid storage tanks, the flame-retardant liquid is sealed through elastic sealing rings, elastic sponge layers are arranged on one side surfaces, opposite to the liquid storage tanks, of the elastic sealing rings in a protruding mode, and the elastic sponge layers are buckled into the liquid storage tanks and are in contact with the flame-retardant liquid.
CN202010435779.5A 2020-05-21 2020-05-21 Fire-proof door Withdrawn CN111535721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010435779.5A CN111535721A (en) 2020-05-21 2020-05-21 Fire-proof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010435779.5A CN111535721A (en) 2020-05-21 2020-05-21 Fire-proof door

Publications (1)

Publication Number Publication Date
CN111535721A true CN111535721A (en) 2020-08-14

Family

ID=71974394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010435779.5A Withdrawn CN111535721A (en) 2020-05-21 2020-05-21 Fire-proof door

Country Status (1)

Country Link
CN (1) CN111535721A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112360314A (en) * 2020-10-28 2021-02-12 浙江振元安防科技有限公司 High-efficient fire-retardant fire door that separates cigarette
CN114198968A (en) * 2021-12-16 2022-03-18 重庆尚峰实业有限公司 Electricity-saving economical refrigeration house

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4113505B2 (en) * 2004-01-05 2008-07-09 一成 鈴木 Smoke shield for fireproof sliding door
CN205605021U (en) * 2016-04-26 2016-09-28 新都龙虎塑铝门窗厂 Fire door is prevented to normal close formula
CN207260349U (en) * 2017-08-07 2018-04-20 刘巍 A kind of fire-proof composite heat preservation board for building
CN110005316A (en) * 2019-01-28 2019-07-12 江山市标龙装饰材料有限公司 A kind of fire prevention paintless door quickly sprayed water
CN209384985U (en) * 2018-09-27 2019-09-13 河南建筑材料研究设计院有限责任公司 A kind of fire resistant doorsets

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4113505B2 (en) * 2004-01-05 2008-07-09 一成 鈴木 Smoke shield for fireproof sliding door
CN205605021U (en) * 2016-04-26 2016-09-28 新都龙虎塑铝门窗厂 Fire door is prevented to normal close formula
CN207260349U (en) * 2017-08-07 2018-04-20 刘巍 A kind of fire-proof composite heat preservation board for building
CN209384985U (en) * 2018-09-27 2019-09-13 河南建筑材料研究设计院有限责任公司 A kind of fire resistant doorsets
CN110005316A (en) * 2019-01-28 2019-07-12 江山市标龙装饰材料有限公司 A kind of fire prevention paintless door quickly sprayed water

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王剑文,闫大伟: "学校防火安全措施", 《劳动保护杂志》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112360314A (en) * 2020-10-28 2021-02-12 浙江振元安防科技有限公司 High-efficient fire-retardant fire door that separates cigarette
CN114198968A (en) * 2021-12-16 2022-03-18 重庆尚峰实业有限公司 Electricity-saving economical refrigeration house

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Application publication date: 20200814