CN111794655A - Bidirectional fire-proof smoke-proof door - Google Patents

Bidirectional fire-proof smoke-proof door Download PDF

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Publication number
CN111794655A
CN111794655A CN202010782974.5A CN202010782974A CN111794655A CN 111794655 A CN111794655 A CN 111794655A CN 202010782974 A CN202010782974 A CN 202010782974A CN 111794655 A CN111794655 A CN 111794655A
Authority
CN
China
Prior art keywords
door
smoke
proof
door leaf
fireproof
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.)
Pending
Application number
CN202010782974.5A
Other languages
Chinese (zh)
Inventor
傅福信
林美荣
黄法枝
谢木海
黄军定
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.)
Zhongshan Ao Innovative Fire Proof Wood Industry Co ltd
Original Assignee
Zhongshan Ao Innovative Fire Proof Wood Industry Co ltd
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 Zhongshan Ao Innovative Fire Proof Wood Industry Co ltd filed Critical Zhongshan Ao Innovative Fire Proof Wood Industry Co ltd
Priority to CN202010782974.5A priority Critical patent/CN111794655A/en
Publication of CN111794655A publication Critical patent/CN111794655A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • E06B5/161—Profile members 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
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
    • E06B3/362—Double winged doors or windows
    • 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
    • E06B5/12—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 against air pressure, explosion, or gas
    • E06B5/14—Gasproof doors or similar closures; Adaptation 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
    • 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
    • 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
    • E06B5/168—Shape of edges of wing and/or its frame 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
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows

Landscapes

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

Abstract

The invention provides a bidirectional fireproof smoke-proof door which comprises a door leaf and a door frame, wherein the upper end and the lower end of one side of the door leaf are connected with a hydraulic door closer to perform bidirectional opening, the side is taken as a pivoting side of the door leaf, and the other side is taken as a movable side; one side or two sides of the door frame are provided with cambered surface grooves, and the pivoting side of the door leaf is provided with a chamfer edge or a cambered surface which is matched with the cambered surface grooves; fireproof expansion sealing strips are arranged on the top side and the pivoting side of the door leaf; the movable side of the door leaf is provided with a fireproof expansion sealing strip and/or a smoke-proof fireproof expansion sealing strip; smoke-proof and fireproof expansion sealing strips are arranged on two sides and the top side of the door frame; the edge of the smoke-proof and fireproof expansion sealing strip is provided with an elastic edge extending outwards, and the elastic edge is in elastic contact with the door leaf. The bidirectional fireproof and smoke-proof door can be opened in two directions, and has double-sided fireproof and smoke-proof functions.

Description

Bidirectional fire-proof smoke-proof door
Technical Field
The invention relates to a bidirectional fireproof smoke-proof door.
Background
The fireproof door is applied to entrance doors, corridor safety doors and the like. The fireproof safety door of the corridor is usually designed to be opened in a single direction, and can only be opened in a single direction when encountering dangerous situations such as fire, so that two safety doors with opposite pushing directions need to be arranged on the safety door of the corridor, and the occupied space is large.
The bidirectional door refers to a door which can be pushed both internally and externally. The setting of two-way emergency exit can make things convenient for the emergent of equidirectional not to flee, but current two-way door does not need closely to link to each other through hinge and door frame because the door leaf passes through the door closer pin joint, and receives the influence of door leaf angular position, and the door leaf is far away from the door frame, the gap is great, and the airtight degree of difficulty that sets up of fire prevention smoke protection is great.
Disclosure of Invention
Based on the problems mentioned in the background art, the invention provides a bidirectional fireproof and smoke-proof door which can be opened in a bidirectional manner and has double-sided fireproof and smoke-proof functions.
The invention provides a bidirectional fireproof smoke-proof door which comprises a door leaf and a door frame, wherein the upper end and the lower end of one side of the door leaf are connected with a hydraulic door closer to perform bidirectional opening, the side is taken as a pivoting side of the door leaf, and the other side is taken as a movable side; one side or two sides of the door frame are provided with cambered surface grooves, and the pivoting side of the door leaf is provided with a chamfer edge or a cambered surface which is matched with the cambered surface grooves; fireproof expansion sealing strips are arranged on the top side and the pivoting side of the door leaf; the movable side of the door leaf is provided with a fireproof expansion sealing strip and/or a smoke-proof fireproof expansion sealing strip; smoke-proof and fireproof expansion sealing strips are arranged on two sides and the top side of the door frame; the edge of the smoke-proof and fireproof expansion sealing strip is provided with an elastic edge extending outwards, and the elastic edge is in elastic contact with the door leaf.
In one or more embodiments of the present invention, the two sides of the door frame are both provided with arc surface grooves, the door leaf includes a first door leaf and a second door leaf which are oppositely arranged, the movable sides of the first door leaf and the second door leaf are flat surfaces, the edges of the flat surfaces are rounded edges, and the movable sides of the first door leaf and/or the second door leaf are provided with the smoke-proof and fire-proof expansion sealing strips.
In one or more embodiments of the present invention, the fire-resistant intumescent sealing strip includes a resin molded shell and a fire-resistant intumescent material filled in the shell.
In one or more embodiments of the present invention, the smoke-proof and fire-proof expansion sealing strip is filled with a fire-proof expansion material; two elastic edges are arranged and are obliquely and outwardly expanded.
In one or more embodiments of the present invention, a smoke prevention strip is disposed on the bottom side of the door leaf, the smoke prevention strip includes a connection portion and a sealing portion, the connection portion is embedded in the door leaf and fixed, and the sealing portion is exposed to seal a gap between the bottom side of the door leaf and the ground.
In one or more embodiments of the present invention, a glass window is disposed on the door leaf, and the edge of the glass window is covered with a fireproof sealing member.
In one or more embodiments of the present invention, the door leaf includes a door core and a flame retardant decorative plate covering the inner side and the outer side of the door core, the door core is made of high performance synthetic material, and a hollow heat insulation cavity is arranged in the door core; the high-performance synthetic material is a synthetic plate with high strength and high flame retardant property.
The invention has the beneficial effects that:
according to the invention, the cambered surface groove is arranged on the door frame, and the pivoted side of the door leaf is provided with the chamfered edge or the cambered surface matched with the cambered surface groove, so that the door leaf and the door frame can be arranged in a short distance and can rotate for 180 degrees without obstacles. When two divisions of doors set up, be flat face setting between door leaf and door leaf, no collision mouth does not influence and opens and shuts, and the edge of flat face is the radius limit, can reduce the interval setting between the door leaf. In addition, the two-way opening device is only needed to be arranged when the device is used as a corridor safety door, so that the corridor space can be saved, and the arrangement cost of the escape passage is reduced.
The door frame is provided with the smoke-proof and fireproof expansion sealing strip; when two divisions of doors set up, be equipped with smoke protection fire prevention expansion seal strip on first door leaf and/or the second door leaf, smoke protection fire prevention expansion seal strip is equipped with the elasticity limit of outside extension, elasticity limit can elasticity and door leaf laminating, can block the flue gas entering in conflagration earlier stage, and the intensity of a fire stretches when preventing fire, before the burning of elasticity limit, and smoke protection fire prevention expansion seal strip and fire protection expansion seal strip meet the thermal expansion and carry out the shutoff to the gap between door frame and door leaf, reach the effect of fire prevention and smoke protection. In addition, the bottom side of the door leaf is provided with the smoke-proof strip, so that a gap between the bottom side of the door leaf and the ground can be plugged, and the smoke-proof effect is achieved.
The door leaf comprises a door core and flame-retardant decorative plates covering the inner side and the outer side of the door core, wherein the door core is made of multiple layers of flame-retardant plywood, and a hollow heat insulation cavity is arranged in the door core; the arrangement of bidirectional fire prevention is matched with the hollow heat insulation cavity, so that the fire prevention and heat insulation effects are improved, and the performances required by GB 12955 + 2008 fireproof door are achieved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.
Fig. 3 is an enlarged view of a portion D in fig. 2.
Fig. 4 is an enlarged view of a portion E in fig. 2.
Fig. 5 is a cross-sectional view taken along the plane B-B in fig. 1.
Fig. 6 is an enlarged view of a portion F in fig. 5.
Fig. 7 is an enlarged view of the portion G in fig. 5.
Fig. 8 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 9 is a cross-sectional view taken along plane C-C in fig. 8.
Fig. 10 is an enlarged view of a portion H in fig. 9.
Fig. 11 is a sectional view of a third embodiment of the present invention.
Fig. 12 is an enlarged view of portion I of fig. 11.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
example one
Referring to the attached drawings 1-7, the bidirectional fireproof smoke-proof door comprises a door leaf 1 and a door frame 2, wherein the upper end and the lower end of one side of the door leaf 1 are connected with a hydraulic door closer 3 for bidirectional opening, the hydraulic door closer 3 is a ground spring, the door leaf 1 is respectively connected with the ground and the top side of the door frame 2 through a top-to-bottom shaft for 180-degree rotation, the side is a pivoting side 11 of the door leaf 1, and the other side is a movable side 12. The door frame 2 is provided with a cambered surface groove 21 at one side corresponding to the pivoting side 11 of the door leaf 1, and the pivoting side 11 of the door leaf 1 is provided with a rounded edge matched with the cambered surface groove 21. When the door leaf 1 is closed, the pivoting side 11 is arranged in the cambered surface groove 21; when the door leaf 1 is rotated and opened, the pivoting side 11 moves along the arc surface of the arc surface groove 21 and does not contact with the arc surface groove 21.
The top side 13, the pivoting side 11 and the movable side 12 of the door leaf 1 are all provided with fireproof expansion sealing strips 4. The fire-resistant intumescent seal strip 4 comprises a resin-molded shell and a fire-resistant intumescent material filled in the shell. Two smoke-proof and fireproof expansion sealing strips 5 are arranged on the two sides and the top side of the door frame 2. The edge of the smoke-proof and fire-proof expansion sealing strip 5 is provided with an elastic edge 51 extending outwards, and the elastic edge 51 is in elastic contact with the door leaf 1. The smoke-proof and fireproof expansion sealing strip 5 is filled with fireproof expansion material; the two elastic edges 51 are obliquely and outwardly expanded and are in a splayed shape. The fire-resistant intumescent material comprises expanded graphite. Two smoke-proof and fireproof expansion sealing strips 5 on one side of the door frame 2 corresponding to the pivoting side 11 of the door leaf 1 are arranged in the cambered surface groove 21, and the elastic edges 51 of the two smoke-proof and fireproof expansion sealing strips are in elastic contact with the rounded edges of the pivoting side 11 of the door leaf 1.
The bottom side 14 of the door leaf 1 is provided with a smoke prevention strip 6, the smoke prevention strip 6 comprises a connecting part 61 and a sealing part 62, the connecting part 61 is embedded in the door leaf 1 for fixing, and the sealing part 62 is exposed to seal a gap between the bottom side 14 of the door leaf 1 and the ground. The sealing portion 62 is frustum-shaped. The smoke prevention strip 6 is filled with expanded graphite.
The door leaf 1 is provided with a glass window 7, the edge of the glass window 7 is coated with a fireproof sealing piece 8, and the section of the fireproof sealing piece 8 is concave. The door leaf 1 comprises a door core 101 and flame-retardant decorative plates 102 covering the inner side and the outer side of the door core 101, wherein the door core 101 is made of high-performance synthetic materials, and a hollow heat insulation cavity 103 is arranged in the door core 101; the high-performance synthetic material is a synthetic plate with high strength and high flame retardant property.
The two-way fire prevention smoke protection door of this scheme, through set up smoke protection fire prevention expansion seal strip 5 at door frame 2 and door leaf 1, its elasticity limit 51 and the laminating of door leaf 1 elasticity can block the flue gas entering in the conflagration earlier stage, and the intensity of a fire stretches when preventing fire, before elasticity limit 51 burning, smoke protection fire prevention expansion seal strip 5 and fire prevention expansion seal strip 4 meet the thermal expansion and carry out the shutoff to the gap between door frame 2 and door leaf 1, reach the effect of fire prevention smoke protection. In addition, the bottom side 14 of the door leaf 1 is provided with a smoke-proof strip 6 which can seal the gap between the bottom side of the door leaf 1 and the ground, and has the smoke-proof effect.
Through the test: the two-way fireproof smoke-proof door of the scheme has the maximum smoke leakage amount of no more than 20m measured under the test conditions of normal temperature (25 ℃), medium temperature (200 +/-20 ℃) and 50Pa3H is used as the reference value. The two-way fireproof and smoke-proof door meets the standard requirements of enterprise standards of high smoke-proof performance fireproof door, GB 12955 + 2008 fireproof door and EN 1643-3.
Example two
Referring to fig. 8-10, a two-way fire-proof smoke-proof door is a double-leaf door, and the difference between this embodiment and the first embodiment is that both sides of the door frame 2 are provided with arc grooves, the door leaf 1 includes a first door leaf 1a and a second door leaf 1b that are arranged in opposite directions, the movable sides 12 of the first door leaf 1a and the second door leaf 1b are straight surfaces, the edges of the straight surfaces are rounded edges, the movable sides 12 of the first door leaf 1a and the second door leaf 1b are provided with a smoke-proof fire-proof expansion sealing strip 5 and a fire-proof expansion sealing strip 4, and the smoke-proof fire-proof expansion sealing strip 5 and the fire-proof expansion sealing strip 4 on the first door leaf 1a and the smoke-proof fire-proof expansion sealing strip 5 and the fire-proof expansion sealing strip 4 on the second door leaf 1b are arranged in a staggered. When the door leaf 1 is closed, the elastic edge 51 of the smoke-proof and fireproof expansion sealing strip 5 of the first door leaf 1a is in elastic contact with the second door leaf 1 b; the elastic edge 51 of the smoke-proof and fire-proof intumescent strip 5 of the second door leaf 1b is in elastic contact with the first door leaf 1 a.
This scheme can two-wayly open and two-sided fire prevention smoke protection, through the test: under the test conditions of normal temperature (25 ℃), medium temperature (200 +/-20 ℃) and 50Pa, the maximum smoke leakage amount is not more than 30m3H is used as the reference value. The two-way fireproof and smoke-proof door meets the standard requirements of enterprise standards of high smoke-proof performance fireproof door, GB 12955 + 2008 fireproof door and EN 1643-3.
EXAMPLE III
Referring to fig. 11-12, a bidirectional fireproof and smoke-proof door is provided as a double-leaf door, and the present embodiment is different from the second embodiment in that two fireproof and smoke-proof expansion sealing strips 5 are provided on the movable side 12 of the first door leaf 1a, and the elastic edge 51 of the fireproof and smoke-proof expansion sealing strip 5 is in elastic contact with the second door leaf 1 b. The movable side 12 of the second door leaf 1b is provided with a fireproof expansion sealing strip 4. This scheme can two-wayly open and two-sided fire prevention smoke protection, through the test: under the test conditions of normal temperature (25 ℃), medium temperature (200 +/-20 ℃) and 50Pa, the maximum smoke leakage amount is not more than 30m3H is used as the reference value. The two-way fireproof and smoke-proof door meets the standard requirements of enterprise standards of high smoke-proof performance fireproof door, GB 12955 + 2008 fireproof door and EN 1643-3.
Example four
A two-way fire-proof and smoke-proof door, which is different from the first embodiment in that the pivoting side 11 of the door leaf 1 has an arc surface corresponding to the arc of the arc surface groove 21.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims (7)

1. A bidirectional fireproof smoke-proof door comprises a door leaf and a door frame, and is characterized in that the upper end and the lower end of one side of the door leaf are connected with a hydraulic door closer to perform bidirectional opening, the side is taken as a pivoting side of the door leaf, and the other side is taken as a movable side; one side or two sides of the door frame are provided with cambered surface grooves, and the pivoting side of the door leaf is provided with a chamfer edge or a cambered surface which is matched with the cambered surface grooves; fireproof expansion sealing strips are arranged on the top side and the pivoting side of the door leaf; the movable side of the door leaf is provided with a fireproof expansion sealing strip and/or a smoke-proof fireproof expansion sealing strip; smoke-proof and fireproof expansion sealing strips are arranged on two sides and the top side of the door frame; the edge of the smoke-proof and fireproof expansion sealing strip is provided with an elastic edge extending outwards, and the elastic edge is in elastic contact with the door leaf.
2. A bi-directional fire-proof and smoke-proof door as claimed in claim 1, wherein the door frame is provided with arc grooves on both sides, the door leaves comprise a first door leaf and a second door leaf which are oppositely arranged, the movable sides of the first door leaf and the second door leaf are flat surfaces, the edges of the flat surfaces are rounded edges, and the movable sides of the first door leaf and/or the second door leaf are provided with the smoke-proof and fire-proof expansion sealing strips.
3. The bidirectional fire and smoke protection door of claim 1 or 2, wherein said fire-resistant intumescent sealing strip comprises a resin-molded shell and a fire-resistant intumescent material filled in the shell.
4. The bidirectional fire and smoke protection door according to claim 1 or 2, wherein the fire and smoke protection expansion sealing strip is filled with a fire and smoke protection expansion material; two elastic edges are arranged and are obliquely and outwardly expanded.
5. The bidirectional fireproof smoke-proof door as claimed in claim 1 or 2, wherein the bottom side of the door leaf is provided with a smoke-proof strip, the smoke-proof strip comprises a connecting part and a sealing part, the connecting part is embedded and fixed in the door leaf, and the sealing part is exposed to seal a gap between the bottom side of the door leaf and the ground.
6. A bi-directional fire and smoke protection door as claimed in claim 1 or 2, wherein said door leaf is provided with a glass window, and the edge of the glass window is covered with a fire-proof sealing member.
7. The bidirectional fireproof and smoke-proof door according to claim 1 or 2, wherein the door leaf comprises a door core and a flame-retardant decorative plate covering the inner side and the outer side of the door core, the door core is made of high-performance synthetic material, and a hollow heat-insulating cavity is arranged in the door core; the high-performance synthetic material is a synthetic plate with high strength and high flame retardant property.
CN202010782974.5A 2020-08-06 2020-08-06 Bidirectional fire-proof smoke-proof door Pending CN111794655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010782974.5A CN111794655A (en) 2020-08-06 2020-08-06 Bidirectional fire-proof smoke-proof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010782974.5A CN111794655A (en) 2020-08-06 2020-08-06 Bidirectional fire-proof smoke-proof door

Publications (1)

Publication Number Publication Date
CN111794655A true CN111794655A (en) 2020-10-20

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Application Number Title Priority Date Filing Date
CN202010782974.5A Pending CN111794655A (en) 2020-08-06 2020-08-06 Bidirectional fire-proof smoke-proof door

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Country Link
CN (1) CN111794655A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203430315U (en) * 2013-07-09 2014-02-12 深圳市深装总装饰工程工业有限公司 Door with floor spring
CN209413771U (en) * 2018-11-27 2019-09-20 安徽新盾消防设备有限公司 A kind of steel heat insulation fireproof door
CN211144265U (en) * 2019-10-12 2020-07-31 中山市澳创新防火木业有限公司 Fireproof smoke-proof safety door with tenon-and-mortise structure
CN111485807A (en) * 2020-05-18 2020-08-04 应急管理部消防产品合格评定中心 Fireproof and smoke-proof armored door
CN212406514U (en) * 2020-08-06 2021-01-26 中山市澳创新防火木业有限公司 Bidirectional fire-proof smoke-proof door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203430315U (en) * 2013-07-09 2014-02-12 深圳市深装总装饰工程工业有限公司 Door with floor spring
CN209413771U (en) * 2018-11-27 2019-09-20 安徽新盾消防设备有限公司 A kind of steel heat insulation fireproof door
CN211144265U (en) * 2019-10-12 2020-07-31 中山市澳创新防火木业有限公司 Fireproof smoke-proof safety door with tenon-and-mortise structure
CN111485807A (en) * 2020-05-18 2020-08-04 应急管理部消防产品合格评定中心 Fireproof and smoke-proof armored door
CN212406514U (en) * 2020-08-06 2021-01-26 中山市澳创新防火木业有限公司 Bidirectional fire-proof smoke-proof door

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Application publication date: 20201020