CN114575721B - Fireproof folding door - Google Patents

Fireproof folding door Download PDF

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Publication number
CN114575721B
CN114575721B CN202210067795.2A CN202210067795A CN114575721B CN 114575721 B CN114575721 B CN 114575721B CN 202210067795 A CN202210067795 A CN 202210067795A CN 114575721 B CN114575721 B CN 114575721B
Authority
CN
China
Prior art keywords
door leaf
door
cover plate
connecting piece
guide rail
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.)
Active
Application number
CN202210067795.2A
Other languages
Chinese (zh)
Other versions
CN114575721A (en
Inventor
柳秀芳
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.)
Dazhangmen Guangdong Home Furnishing Co ltd
Original Assignee
Dazhangmen Guangdong Home Furnishing 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 Dazhangmen Guangdong Home Furnishing Co ltd filed Critical Dazhangmen Guangdong Home Furnishing Co ltd
Priority to CN202210067795.2A priority Critical patent/CN114575721B/en
Publication of CN114575721A publication Critical patent/CN114575721A/en
Application granted granted Critical
Publication of CN114575721B publication Critical patent/CN114575721B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E06B3/32—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
    • E06B3/48—Wings connected at their edges, e.g. foldable wings
    • E06B3/481—Wings foldable in a zig-zag manner or bi-fold wings
    • 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
    • E06B5/161—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
    • 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
    • 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
    • E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
    • E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
    • E06B7/215—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip being moved to a retracted position by elastic means, e.g. springs
    • 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
    • E06B7/2314—Plastic, sponge rubber, or like strips or tubes characterised by the material
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D1/00—Devices using naturally cold air or cold water
    • F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
    • 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
    • E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
    • E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
    • E06B2007/202—Actuator connected to wing frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Special Wing (AREA)

Abstract

The invention provides a fireproof folding door, which is applied to the technical field of fire protection and comprises the following components: the door frame, the door leaf, cooling protection device, fire prevention cloth, the door frame includes the side frame, upper cover plate sealing device, the lower guide rail, lower guide rail sealing assembly, upper cover plate sealing device is located lower guide rail top, parallel with the guide rail, lower guide rail connection lower guide rail sealing assembly, the door leaf includes first door leaf a, first door leaf b, second door leaf a, first door leaf b and second door leaf b pass through pulley connection lower guide rail, upper cover plate sealing device is parallel behind the door leaf door closing, upper cover plate sealing device is in the door leaf top, cooling protection system protection increases fire prevention ageing and prevents that the door leaf warp under the condition of high temperature, effectually solved the problem that makes the door leaf warp and influence fire prevention effect because of the high temperature, fire prevention cloth, upper cover plate sealing device and lower guide rail sealing assembly prevent dense smoke, fire and air from passing through from the space, effectually solved the problem that influences fire prevention effect because of the space is too much.

Description

Fireproof folding door
Technical Field
The invention relates to the technical field of fire protection, in particular to a fireproof folding door.
Background
The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation in a certain time, is one of very common fire-fighting equipment, is a fireproof partition which is arranged between fireproof partitions, evacuation stairways, vertical shafts and the like and has certain fire resistance, has the function of preventing fire from spreading and smoke from spreading besides the function of a common door, can prevent the fire from spreading in a certain time, ensures personnel evacuation, has a plurality of structures of the fireproof door in the current market, occupies a large amount of space after being opened, and the folding door can just make up the effect of occupying a large amount of space after being opened, but the conventional folding door has a large amount of gaps at the joint, has poor fireproof and smoke-proof effects, is easy to deform under the condition of higher temperature, further reduces the safety protection performance, and can not bring auxiliary effects to the evacuation of personnel under the emergency condition. Thus, in order to solve the above problems, we propose a fire-proof folding door.
Disclosure of Invention
The invention aims to solve the problems that a fireproof door occupies a large amount of space after being opened, the fireproof folding door has a plurality of gaps, the fireproof door is easy to deform under the condition of high temperature, and the like, and provides the fireproof folding door.
The invention adopts the following technical means for solving the technical problems: adopt folding door to replace the mode of opening of ordinary fire door, reduced the space that the occupation of opening the door, adopt upper cover plate sealing device, lower guide rail seal assembly and fire proof cloth to solve the problem that folding door space is many, adopt cooling protection device to protect the door, avoid making the door plant appear deformation phenomenon at the high temperature.
The invention provides a fireproof folding door, comprising; a door frame, a door leaf, a cooling protection device and fireproof cloth; the door frame is arranged on the periphery of the door leaf, the cooling protection device is connected with the door leaf, and the fireproof cloth covers the gap between the door leaves;
the cooling protection device comprises a water tank, a fireproof hose, a control unit, a braking element and a water stop valve, wherein the bottom of the water tank is arranged on a door frame, openings are formed in the upper part and the lower part of the water tank, two openings are formed in the lower surface of the water tank, elements connected with the two openings are identical in structure, one end of the fireproof hose is fixedly connected with the opening, the other end of the fireproof hose is split into two water outlets through a tee joint, the two water outlets are respectively fixedly connected with one water stop valve end and one end of the braking element through the fireproof hose, the braking element and the other end of the water stop valve are respectively combined into one water outlet through the tee joint, the water outlets are connected with a door leaf through the fireproof hose, and the braking element is connected with the control unit through an electric wire;
the door leaf comprises a first door leaf a, a first door leaf b, a second door leaf a and a second door leaf b; the first door leaf a and the second door leaf a, and the first door leaf b and the second door leaf b have the same structure, material, connection relation and function; the door leaf is characterized in that an interlayer is additionally arranged between a fireproof layer of the fireproof door leaf and an outer iron plate, the interlayer and the iron plate form a cavity, a water inlet is formed in the upper part of the first door leaf a, which is close to the side iron plate of the door frame, and penetrates through the cavity, and the water inlet is fixedly connected with a cooling protection device; the other side of the first door leaf a is provided with a water inlet, the water inlet of the first door leaf b is fixedly connected with the second water outlet of the first door leaf a through a fireproof hose, the iron plates at the bottoms of the four door leaf chambers are all provided with water outlets, the water outlets are provided with iron plugs, the iron plates are fixedly connected with a fireproof layer through rib plates, the surfaces of inner cavities formed by the iron plates and the iron plates are coated with waterproof and antirust coatings, the chambers between the iron plates and the interlayer are divided into a plurality of small chambers, each adjacent small chamber is communicated, the communicating holes of the small chambers are larger than the vertical communicating holes, a plurality of capillary holes are formed in the iron plates at the upper parts of the small chambers and are communicated with the outside, and water in the small chambers cannot seep out from the capillary holes under the conditions of normal temperature and normal pressure.
Further, the cooling protection device comprises a control unit and a control unit, wherein the control unit comprises an induction component and a control element; the sensing component is provided with a smoke sensing piece and a temperature sensing piece; the smoke sensing piece is connected with the control element through wires, each door leaf is provided with the smoke sensing piece, the temperature sensing piece is connected with the control element through wires, and the control element is connected with the braking element through wires.
Further, the fireproof folding door comprises a side frame, an upper cover plate sealing device, a lower guide rail and a lower guide rail sealing assembly; the side frames comprise a left side frame and a right side frame, the left side frame and the right side frame are parallel, an upper cover plate sealing device and a lower guide rail are fixedly connected between the left side frame and the right side frame, the upper cover plate sealing device is positioned above the lower guide rail and parallel to the guide rail, and the lower guide rail is connected with a lower guide rail sealing assembly; the left side the side door frame passes through the first joint limit of hinge swing joint first door leaf a, the right side the side door frame passes through the first joint limit of hinge swing joint first door leaf b, first door leaf a second joint limit passes through the first joint limit of hinge swing joint second door leaf a, the second joint limit of first door leaf b passes through the first joint limit of hinge swing joint second door leaf b, the lower extreme of the second joint limit of second door leaf a and the second joint limit of second door leaf b is all through pulley connection lower guideway, upper cover plate sealing device is parallel behind the door leaf door, upper cover plate sealing device is in the door leaf top.
Further, the lower guide rail sealing assembly comprises a fireproof rubber tube, a baffle, a second fixed tilting seat, a tilting rod and a tension spring; the second fixed seat swing joint of raising up sticks in the middle of, stick up pole one end and pass the guide rail bottom and expose a lesson on and be close to the end cover of door frame, stick up the other one end swing joint baffle of pole, the one end fixed connection tension spring one end of stick up pole connection baffle, the tension spring other end fixed connection guide rail bottom, the baffle is located the lower guideway next door, the one side that is close to the door on the baffle is connected fire prevention rubber tube.
Further, the door frame and the upper cover plate sealing device comprise a compression bar component and a cover plate component; the upper end of the cover plate component is movably connected with one side, close to the wall, of the upper layer of the door frame, the lower end of the cover plate component is movably connected with one end of the compression bar component, and the other end of the compression bar component is movably connected with one side, close to the wall, of the side frame of the door frame.
Further, in the upper cover plate sealing device, the compression bar assembly comprises a spring, a compression bar, a first fixing tilting seat, a first connecting piece and a first connecting rod; the middle swing joint of depression bar is first fixed to be raised the seat, first fixed seat of raising is in door frame one side inner space, first fixed seat fulcrum of raising is close to the position in the middle of the door frame inner space, depression bar one end is close to the one side of door from the door frame side and is visited, the depression bar position of stretching out is in door leaf door closing back side and door frame position department of meeting, the depression bar stretches out the one side that the end is close to the wall body through spring coupling door frame side, depression bar other end swing joint second connecting piece, second connecting piece fixed connection first connecting rod one end, the apron subassembly is connected to the first connecting rod other end.
Further, the upper cover plate sealing device comprises a sliding rocker connecting piece, a rocker, a second connecting rod, a cover plate sliding rail connecting piece, an L-shaped fixing piece and a sealing cover plate; the fire-proof soft block is fixed around the inside of the sealing cover plate, the fire-proof soft block is first, one end of the sliding rocker connecting piece is connected with the compression bar assembly, the first other end of the sliding rocker connecting piece is fixedly connected with the first rocker middle section, one end of the first rocker is movably connected with the third connecting piece, the third connecting piece is fixedly connected with one side of the side frame of the door frame, which is close to the wall, the first other end of the first rocker is connected with the first cover plate sliding rail connecting piece, the first cover plate sliding rail connecting piece is movably connected with the sliding rail of the lower surface of the sealing cover plate, a fourth connecting piece is arranged between the sliding rocker connecting piece and the first sliding rail rocker connecting piece, the fourth connecting piece is movably connected with one end of the second connecting rod, the other end of the second connecting rod is movably connected with the fifth connecting piece, the fifth connecting piece is fixedly connected with the second rocker middle section, the second rocker is movably connected with the sliding rail connecting piece of the second cover plate, the second cover plate sliding rail connecting piece is movably connected with the sliding rail of the second cover plate, the second cover plate sliding rail connecting piece is movably connected with the second cover plate, and the L-shaped fixing piece penetrates through the sealing cover plate to the sliding rail of the upper layer, which is close to one side of the wall.
Further, the fireproof folding door further comprises an automatic door opening device, wherein the automatic door opening device comprises an automatic door system unit, a smoke sensing piece, a microwave radar and a control element; the smoke sensing piece, the control element and the control unit are the same element, and the microwave radar is connected with the control element and is connected with the automatic door opening system unit.
The invention provides a fireproof folding door, which has the following beneficial effects: adopt folding door to replace the mode of opening of ordinary fire door, reduced the space that the occupation of opening the door, adopt upper cover plate sealing device, lower guide rail seal assembly and fire prevention cloth to solve the problem that folding door space is many, make the folding door of fire prevention fireproof effect better, adopt cooling protection device to protect the door, avoid making the door plant appear deformation phenomenon and influence the fire prevention effect at the high temperature.
Drawings
FIG. 1 is an overall block diagram of one embodiment of a fire resistant folding door of the present invention;
FIG. 2 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 3 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 4 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 5 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 6 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 7 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
FIG. 8 is a partial block diagram of another embodiment of a fire resistant folding door according to the present invention;
in the figure: the cooling protection device 1, the door frame 2, the upper cover plate sealing device 3, the lower guide rail sealing assembly 4, the microwave radar 5, the fireproof cloth 6, the water tank 101, the water stop valve 103, the braking element 104, the small chamber 105, the iron plate 106, the rib plate 107, the fireproof hose 108, the capillary hole 109, the smoke sensor 1010, the control element 1012, the left side frame 201, the lower guide rail 203, the right side frame 202, the first door leaf a204, the first door leaf b205, the second door leaf b206, the second door leaf a207, the pressing rod 301, the spring 302, the first fixing and tilting seat 303, the first connecting piece 304, the first connecting piece 305, the first rocker 306, the third connecting piece 307, the first sliding rocker connecting piece 308, the fourth connecting piece 309, the first cover plate sliding rail connecting piece 310, the second connecting piece 311, the fifth connecting piece 312, the second rocker 313, the second cover plate sliding rail connecting piece 314, the L-shaped fixing piece 315, the sealing cover plate 201, the fireproof rubber tube 401, the baffle 402, the second fixing and tilting seat 403, the rod 404 and the tension spring 405.
The realization, functional characteristics and advantages of the present invention are further described with reference to the accompanying drawings in combination with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a schematic structural view of a fire-resistant folding door according to an embodiment of the present invention is shown.
In one embodiment, a fire resistant folding door includes; a door frame 2, a door leaf, a cooling protection device 1 and fireproof cloth 6; the door frame 2 is arranged on the periphery of the door leaf, the cooling protection device 1 is connected with the door leaf, and the fireproof cloth 6 covers the gap between the door leaves;
the cooling protection device 1 comprises a water tank 101, a fireproof hose 108, a control unit, a braking element 104 and a water stop valve, wherein the bottom of the water tank 101 is arranged on a door frame 2, openings are formed in the upper part and the lower part of the water tank 101, two openings are formed in the lower surface of the water tank 101, the two connected elements have the same structure, one end of the fireproof hose 108 is fixedly connected with the openings, the other end of the fireproof hose 108 is split into two water outlets through a tee joint, one end of the water stop valve and one end of the braking element 104 are respectively and fixedly connected with the two water outlets through the fireproof hose 108, the braking element 104 and the other end of the water stop valve 103 are respectively converged into one water outlet through the tee joint, the water outlets are connected with a door leaf through the fireproof hose 108, and the braking element 104 is connected with the control unit through an electric wire;
the door leaves comprise a first door leaf a204, a first door leaf b205, a second door leaf a207 and a second door leaf b206; the first door leaf a204 and the second door leaf a207, and the first door leaf b205 and the second door leaf b206 have the same structure, material, connection relation and function; the door leaf is characterized in that an interlayer is additionally arranged between a fireproof layer of the fireproof door leaf and an outer iron plate 106, the interlayer and the iron plate 106 form a cavity, a water inlet is formed in the upper part of the first door leaf a204, which is close to the side edge of the door frame 2, of the iron plate 106, the water inlet penetrates through the cavity, and the water inlet is fixedly connected with the cooling protection device 1; the other side of the first door leaf a204 with the water inlet is provided with a second water outlet, the water inlet of the first door leaf b205 is fixedly connected with the second water outlet of the first door leaf a204 through a fireproof hose 108, the iron plates 106 at the bottoms of the four door leaf chambers are all provided with a water outlet, the water outlet is provided with an iron plug, the iron plates 106 are fixedly connected with a fireproof layer through rib plates 107, the surfaces of inner cavities formed by the iron plates 106 and the iron plates are coated with waterproof and antirust coatings, the chambers in the middle of the iron plates 106 and the interlayer are divided into a plurality of small chambers 105, each adjacent small chamber 105 is communicated with the corresponding small chamber 105, the communicating holes of the small chamber 105 are larger than the vertical communicating holes, the iron plates 106 at the upper parts of the small chambers 105 are all communicated with the outside, and water in the small chambers 105 cannot leak out of the small holes 109 under normal temperature and normal pressure.
In the embodiment, the bottom of the water tank 101 is arranged on the door frame 2, openings are arranged at the upper part and the lower part of the water tank 101, two openings are arranged at the lower part of the water tank 101, a left opening and a right opening are arranged, the structures of elements connected with the left opening and the right opening are the same, the openings are divided into two water outlets through a fireproof hose 108 and a tee joint 102, one is used for manual switching, the other is used for automatic switching, the two water outlets are respectively connected with a water stop valve 103 and a braking element 104 through the fireproof hose 108, the braking element 104 and the water stop valve 103 are connected through the tee joint 102 to form a water outlet which is connected with one end of the fireproof hose 108, the other end of the fireproof hose 108 is connected with a door leaf water inlet, the braking element 104 is connected with a control unit through an electric wire, the control unit controls the operation of the braking element 104, the structures, the materials, the connection relations and the functions of the first door leaf a204 and the second door leaf a207, the first door leaf b205 and the second door leaf b206 are the same, the door leaf is characterized in that a separation layer is additionally arranged between a fireproof layer of the fireproof door leaf and an outer iron plate 106, the separation layer and the iron plate 106 form a chamber, the other end of the separation layer is connected with a fireproof hose 108 of the cooling protection device 1, one end of a first door leaf a204, which is close to the upper part of the iron plate 106 at the side edge of a door frame 2, is provided with a water inlet, one end of the first door leaf a204 is communicated with the chamber, the other side of the first door leaf a204, which is provided with a water inlet, is provided with a second water outlet, the water inlet of the first door leaf a204 is used for entering water on the cooling device, the second water outlet of the first door leaf a204 is connected with the water inlet of the first door leaf b205 through the fireproof hose 108, the iron plates 106 at the bottoms of the four door leaf chambers are all provided with a water outlet, the water outlet is used for discharging water in the inner chamber after a fire condition, the iron plate 106 is fixedly connected with the fireproof layer through a rib plate 107, and the rib plate 107 is a thick iron plate 106, the middle of the inner cavity formed by the iron plate 106 and the iron sheet layer is coated with a waterproof and antirust coating, the waterproof and antirust coating can prevent the inner cavity from rusting after water enters, the service life of the fireproof door is influenced, the chambers in the middle of the iron plate 106 and the interlayer are divided into a plurality of small chambers 105, each adjacent small chamber 105 is communicated, the communicated holes of the small chambers 105 are larger than the vertical communicated holes, the small chambers 105 are used for enabling the entering water to be distributed on a door leaf more uniformly, a plurality of capillary holes 109 are formed in the upper part of each small chamber 105 at the iron plate 106 and are communicated with the outside, water in the small chambers 105 cannot leak out from the capillary holes 109 under the condition of normal temperature and normal pressure, and the pressure of the small chambers 105 is increased when a fire occurs, so that the water slowly leaks out.
In the concrete implementation, when the condition of a fire happens, the control unit detects the condition of a fire, brake element 104 will move, water of water tank 101 gets into the water inlet of door leaf first door leaf a204 and first door leaf b205 through fire prevention hose 108, or when the condition of a fire happens, artificially open water stop valve 103, water of water tank 101 gets into the water inlet of door leaf first door leaf a204 and first door leaf b205 through fire prevention hose 108, the combination of manual work and intelligence, can more nimble protection door leaf, water gets into the first row of little inner chamber on door leaf both sides after the inner chamber through the water inlet, the water of first row of little inner chamber partly pours into next row of little inner chamber, the water of first row of little inner chamber partly gets into the water inlet of first door leaf b205 and second door leaf b206 through fire prevention hose 108 from the second delivery port, finally every little inner chamber can all fill water, little chamber 105 is under the influence of external condition of a fire, inside pressure changes, the water of inside can be like the animal through the sweat, the water of little chamber 105 slowly oozes out, volatilize, take away more heat, avoid because the temperature is too high makes the fire door leaf appearance deformation after getting into the inner chamber fast, the fire door leaf both sides first row of inner chamber has been used, rust prevention service life has been overcome, rust prevention effect is realized for the fire door leaf 106 is more has been provided for the fire prevention door leaf more, the fire protection has been more has been used to the fire protection life has been better, the service life has been overcome, the fire protection door has been used to prevent the fire protection door has been used the door has improved service life.
In one embodiment, the cooling protection device 1, the control unit includes an induction component and a control element 1012; the sensing assembly has a smoke sensing element 1010 and a temperature sensing element; the smoke sensor 1010 is connected with the control element 1012 through electric wires, each door leaf is provided with the smoke sensor, the temperature sensor is connected with the control element 1012 through electric wires, and the control element 1012 is connected with the braking element 104 through electric wires.
In this embodiment, the smoke sensor 1010 determines whether a fire condition occurs, the temperature sensor determines that the door leaf does not need to be cooled, the control element 1012 receives signals provided by other elements and makes a determination, and the control element 1012 outputs information to the element to be executed after the determination.
In a specific implementation, when smoke senses that a fire occurs, the smoke sensing device transmits a signal to the control element 1012, when the temperature sensor senses that the temperature reaches a requirement, the temperature sensing element transmits a signal to the control element 1012, the control element 1012 receives the signal and then makes a judgment, and an execution signal is sent to an element to be executed.
In one embodiment, the fireproof folding door comprises a side frame, an upper cover plate sealing device 3, a lower guide rail 203 and a lower guide rail 203 sealing assembly 4; the side frames comprise a left side frame 201 and a right side frame 202, the left side frame and the right side frame are parallel, an upper cover plate sealing device 3 and a lower guide rail 203 are fixedly connected between the left side frame and the right side frame, the upper cover plate sealing device 3 is positioned above the lower guide rail 203 and parallel to the guide rail, and the lower guide rail 203 is connected with a lower guide rail 203 sealing assembly 4; the left side the first connection limit of first door leaf a204 of side door frame 2 through hinge swing joint, the right side the first connection limit of first door leaf b205 of side door frame 2 through hinge swing joint, the first connection limit of first door leaf a204 second connection limit through hinge swing joint second door leaf a207, the first connection limit of second door leaf b206 is passed through hinge swing joint to the second connection limit of first door leaf b205, the lower extreme of the second connection limit of second door leaf a207 and the second connection limit of second door leaf b206 is all through pulley connection lower rail 203, upper cover plate sealing device 3 is parallel behind the door leaf door, upper cover plate sealing device 3 is in the door leaf top.
In this embodiment, the door frame 2 fixes the door leaf, the door leaf blocks fire, door leaf smoke-blocking, door leaf blocks air, the cooling protection system protects and increases fireproof aging and prevents the door leaf from deforming under the condition of too high temperature, the fireproof cloth 6 prevents dense smoke, fire and air from passing through the gap between the door leaves, the first connecting edge of the first door leaf a204 is connected with the left side frame 201 of the door frame 2 through the upper hinge and the lower hinge, the door can open and close, the second connecting edge of the first door leaf a204 is connected with the first connecting edge of the first door leaf b205 through the upper hinge and the lower hinge, the first door leaf a204 and the first door leaf b205 can be folded, the connecting effect of the second door leaf a207 and the second door leaf b206 is the same as the connecting effect of the first door leaf a204 and the first door leaf b205, the lower guide rail 203 ensures that the door leaf moves according to a preset path, the upper cover plate sealing device 3 is above the door leaf, the upper cover plate sealing device 3 is overlapped with the door leaf when the door leaf is closed, smoke is prevented from passing through the gap between the door leaf and the lower guide rail 203 when the door leaf is closed, and the gap between the door leaf and the lower guide rail 203 is prevented from passing through the gap between the fire and the door leaf when the door leaf is closed.
In the concrete implementation, the door leaf is pulled, the pulley at the bottom of the first door leaf b205 and the second door leaf b206 takes the guide rail as a track to do linear motion, the door leaf is closed or opened, the door leaf is contacted with the upper cover plate sealing assembly when being closed, the upper cover plate sealing assembly is close to the door leaf and is in heavy summation with the door leaf, thick smoke and fire are prevented from passing through a gap between the door leaf and the door frame 2 when the fire occurs, the pulley is contacted with the guide rail sealing assembly when the door leaf is closed, the guide rail sealing assembly acting part is close to the door leaf and finally coincides, the thick smoke and fire are prevented from passing through the gap between the door leaf and the guide rail when the fire occurs, the requirement is met when the fire occurs, the cooling protection device 1 is started by receiving signals, cooling is provided for the door leaf, the door leaf is prevented from being deformed when the temperature is overhigh, and the fireproof cloth 6 prevents the fire and the thick smoke from passing through the gap between the door leaf and the door leaf, so that the fire is effectively controlled.
In this embodiment, the second fixed tilting seat 403 is connected between the tilting rods 404, one end of the tilting rod 404 passes through the bottom of the guide rail to expose a section of the end cover close to the door frame 2, the other end of the tilting rod 404 is connected with the baffle 402, the fixed tilting seat is used as a fulcrum of the tilting rod 404, when the tilting rod 404 passes through the bottom of the guide rail to expose a section of the end cover to receive the force, the baffle 402 is driven to move, the end of the tilting rod 404 connected with the baffle 402 is connected with the tension spring 405, the tension spring 405 is connected with the bottom of the guide rail, the spring pulls the baffle 402 to return to the original position when the tilting rod 404 is not acted, the baffle 402 is located beside the lower guide rail 203, one side, close to the door, of the upper side of the baffle 402 is connected with the fire-proof rubber tube 401, and the fire-proof rubber tube 401 can block fire and smoke and air.
In the implementation, when the door leaf is closed, the door leaf is extruded to the warping rod 404 exposed through the bottom of the guide rail, the warping rod 404 drives the baffle 402 connected with the other end by taking the second fixing warping seat 403 as a fulcrum, the baffle 402 ascends, the fireproof rubber on the baffle 402 contacts with the door leaf, the problem of gaps is solved, fire is blocked, smoke is blocked, air is blocked, when the door leaf is opened, the end of the warping rod 404 exposed through the bottom of the guide rail is not stressed, only the force of the tension spring 405 pulls the baffle 402 downwards, and the baffle 402 moves downwards.
In one embodiment, the lower guide 203 sealing assembly 4 includes a fire-proof rubber tube 401, a baffle 402, a second fixing seat 403, a tilting bar 404 and a tension spring 405302; the second fixed seat 403 that sticks up is movably connected in the middle of stick up pole 404, stick up pole 404 one end and pass the guide rail bottom and expose a section on being close to door frame 2's end cover, stick up another one end swing joint baffle 402 of pole 404, the one end fixed connection tension spring 405302 one end of baffle 402 is connected to stick up pole 404, tension spring 405302 other end fixed connection guide rail bottom, baffle 402 is located the lower guide rail 203 next door, the one side that is close to the door on the baffle 402 is connected fire prevention rubber tube 401.
In this embodiment, the upper end of the cover plate assembly is fixed on one side of the upper layer of the door frame 2, which is close to the wall, and the lower end of the cover plate assembly is connected with one end of the compression bar assembly, so that the cover plate assembly and the compression bar assembly form a linkage relationship, and the other end of the compression bar assembly is fixed on one side of the side frame of the door frame 2, which is close to the wall.
When the compression bar assembly is stressed, the cover plate assembly is driven to operate, the compression bar assembly is fixed at one end of the side frame of the door frame 2, which is close to the wall, to play a role in fixing and positioning, and the cover plate assembly is fixed at one end of the upper end cover of the door frame 2.
In one embodiment, the door frame 2 and the upper cover sealing device 3 comprise a compression bar 301 assembly and a cover assembly; the upper end of the cover plate component is movably connected with one side, close to the wall, of the upper layer of the door frame 2, the lower end of the cover plate component is movably connected with one end of the pressing rod 301 component, and the other end of the pressing rod 301 component is movably connected with one side, close to the wall, of the side frame of the door frame 2.
In this embodiment, the middle of the pressing rod 301 is connected with the first fixed tilting seat 303, the fulcrum of the first fixed tilting seat 303 is located at a position in the inner space of one side edge of the door frame 2, the first fixed tilting seat 303 plays a role of positioning the pressing rod 301, a supporting point is provided for the pressing rod 301, one end of the pressing rod 301 protrudes from the side edge of the door frame 2 near the door, the protruding position is located at the position where the rear side edge of the door leaf is connected with the door frame 2 after the door is closed, the other end of the pressing rod 301 is connected with the first connecting piece 304, which is connected with the other end of the pressing rod 301, is enabled to perform a reverse motion through the action of fixing tilting, the first connecting rod 305 drives the cover plate assembly connected with the other end to perform a reverse motion, the protruding end of the pressing rod 301 is connected with the side edge of the door frame 2 near the wall through the spring 302, and the spring 302 enables the pressing rod 301 to return to an initial state under the action of no external force.
In a specific implementation, when the door leaf is extruded to the end of the compression bar 301 protruding out of the side frame of the door frame 2, the spring 302 is extruded, the connecting piece can change the angle of the two elements, the first connecting piece 304 connected with the other end of the compression bar 301 is tilted by taking the tilting seat as a pivot to perform reverse motion, and the cover plate assembly is driven to perform reverse motion.
In one embodiment, the upper cover sealing device 3, the compression bar 301 assembly includes a spring 302, a compression bar 301, a first fixing seat 303, a first connecting piece 305304, and a first connecting rod; the middle swing joint of depression bar 301 is first fixed to be raised seat 303, first fixed seat 303 that sticks up is in door frame 2 one side the inside space, the position that first fixed seat 303 fulcrum that sticks up is close to door frame 2 inside space centre, the one side that the depression bar 301 one end is close to the door from door frame 2 side is stretched out, the depression bar 301 stretches out the position and meets the department with door frame 2 positions at door leaf door back side, the depression bar 301 stretches out the end and passes through the one side that door frame 2 side is close to the wall body that spring 302 connects, depression bar 301 other end swing joint second connecting piece, second connecting piece fixed connection first connecting rod one end, the apron subassembly is connected to the first connecting rod other end.
In this embodiment, a connecting piece at one end of the first sliding rocker is connected with the first connecting rod 305 of the compression bar assembly, the other end of the first sliding rocker connecting piece 308 is sleeved on the middle section of the first rocker 306, the first rocker 306 is used as an axis to do parallel motion, one end of the first rocker 306 is connected with one side of the side frame of the door frame 2, which is close to the wall, through a third connecting piece 307, the third connecting piece 307 is fixed on the wall, the connecting point of the first rocker 306 and the third connecting piece 307 is used as an axis, the first rocker 306 does circular arc motion, the other end of the first rocker 306 is connected with a first cover plate sliding rail connecting piece 310, the first cover plate sliding rail connecting piece 310 makes circular arc motion along with the first rocker 306, the first cover plate sliding rail connecting piece 310 is connected with a sliding rail on the lower surface of the sealing cover plate 316, the sealing cover plate 316 does not make circular arc motion through the sliding rail, the first sliding rocker connecting piece 308 connected with the first rocker 306 is connected with the fourth connecting piece 309 between the first sliding rocker connecting piece and the first sliding rail rocker, the fourth connecting piece 309 is connected with one end of the second connecting rod 311, the other end of the second connecting rod 311 is connected with the fifth connecting piece 312, the fifth connecting piece 312 is fixedly connected with the middle section of the second rocker 313, the second connecting rod 311 pushes the second rocker 313 in the direction of the second connecting rod 311 under the action of the fourth connecting piece 309 and the fifth connecting piece when the first rocker 306 moves in an arc, the other end of the second rocker 313 is connected with the L-shaped fixing piece 315, the second rocker 313 moves in an arc at the point of being connected with the L-shaped fixing piece, the L-shaped fixing piece 315 passes through the sealing cover plate 316 to be connected with one side of the upper layer of the door frame 2, which is close to the wall, under the action of the second connecting rod 311, one end of the second rocker 313 is connected with a second cover plate sliding rail connecting piece 314, the second cover plate sliding rail connecting piece 314 is connected with a sliding rail on the lower surface of the sealing cover plate 316, and the second cover plate sliding rail has the same movement mode and the same movement effect as the first cover plate sliding rail.
In a specific implementation, when the first connecting rod 305 on the compression bar assembly generates a force on the first rocker 306 connecting piece, the first rocker 306 connecting piece slides by taking the first rocker 306 as a track, the first rocker 306 is pushed to do circular arc movement by taking the connecting point of the third connecting piece 307 and the first rocker 306 as an axle center, the first rocker 306 drives the first cover plate sliding rail connecting piece 310 to move, the first cover plate sliding rail connecting piece 310 and the first rocker 306 can rotate in an angle, the first cover plate sliding rail connecting piece 310 does horizontal sliding movement on the cover plate sliding rail, the second connecting rod 311 is driven by the first rocker 306, the direction of force passing through the fourth connecting piece 309 and the fifth connecting piece 312 is changed, the second connecting rod 311 only generates a thrust effect on the second rocker 313, and because one end of the second rocker 313 is fixed on the L-shaped fixing piece 315 to do circular arc movement, the first rocker 306 and the second rocker 313 do parallel movement, so that the first rocker 306 and the second rocker 313 act the same, the second cover plate sliding rail connecting piece 314 connected with the second rocker 313 acts the same as the first cover plate sliding rail connecting piece 310 connected with the first rocker 306, under the action of the first cover plate sliding connecting piece and the second cover plate sliding connecting piece, the sealing cover plate 316 only does up-down parallel movement, the sealing cover plate 316 covers the door leaf, the gap above the door leaf disappears, the fire, smoke and air blocking effect can be achieved, and the fireproof effect is better.
In one embodiment, the upper cover sealing device 3, the cover assembly comprises a sliding rocker connector, a rocker, a second connecting rod 311, a cover sliding rail connector, an L-shaped fixing member 315 and a sealing cover 316; the inside fire prevention soft piece that is fixed with all around of sealed apron 316, first sliding rocker connecting piece 308 one end is connected depression bar 301 subassembly, first sliding rocker connecting piece 308 other end fixed connection first rocker 306 middle section, first rocker 306 one end swing joint third connecting piece 307, third connecting piece 307 fixed connection door frame 2 side frame is close to one side of wall, first apron slide rail connecting piece 310 is connected to first rocker 306 other end, the slide rail of sealed apron 316 lower surface is connected to first apron slide rail connecting piece 310 swing joint, first sliding rocker connecting piece 308 and first slide rail rocker connecting piece between the connecting piece be connected fourth connecting piece 309, fourth connecting piece 309 swing joint second connecting rod 311 one end, second connecting rod 311 other end swing joint fifth connecting piece 312, fifth connecting piece 312 fixed connection is in second rocker 313 middle section, second rocker 313 one end swing joint second apron slide rail connecting piece 314, second apron slide rail connecting piece 314 swing joint sealed apron 316 lower surface's slide rail, second rocker 313 other end swing joint L type connecting piece is on the fixed layer 315 is close to one side of wall 315, the fixed layer is passed on the fixed door frame 2 is connected to the fixed layer.
In one embodiment, the fireproof folding door further comprises an automatic door opening device, wherein the automatic door opening device comprises an automatic door system unit, a smoke sensing piece 1010, a microwave radar 5 and a control element 1012; the smoke sensing piece 1010 and the control element 1012 are the same element as the control unit, the microwave radar 5 is connected with the control element 1012, and the control element 1012 is connected with an automatic door opening system unit.
In this embodiment, the smoke sensor 1010 determines whether a fire is occurring, the automatic door system unit has an automatic door effect, the microwave radar 5 senses whether a person is approaching, the control unit 1012 receives signals provided by other elements and makes a determination, and the control unit 1012 outputs information to the element to be executed after the determination.
When the smoke sensing device senses that fire occurs in specific implementation, and when the microwave radar 5 senses that someone is close, the smoke sensing piece 1010 and the microwave radar 5 both have signal transmission to the control element 1012, the control element 1012 only transmits signals to the automatic door opening system, the automatic door opening system opens the door for people in advance, the time of people to open the fireproof door in evacuation is reduced, when the fire occurs, when a certain time detects that no person is close, the automatic door opening system can close the fireproof door, and a certain time can be set for a long time according to different conditions.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. A fire resistant folding door comprising: a door frame, a door leaf, a cooling protection device and fireproof cloth; the door frame is arranged on the periphery of the door leaf, the cooling protection device is connected with the door leaf, and the fireproof cloth covers the gap between the door leaves;
the cooling protection device comprises a water tank, a fireproof hose, a control unit, a braking element, a water stop valve, wherein the bottom of the water tank is arranged on a door frame, openings are formed in the upper part and the lower part of the water tank, two openings are formed in the lower surface of the water tank, elements connected with the two openings are identical in structure, one end of the fireproof hose is fixedly connected with the opening, the other end of the fireproof hose is split into two water outlets through a tee joint, the two water outlets are respectively fixedly connected with one end of the water stop valve and one end of the braking element through the fireproof hose, the other ends of the braking element and the water stop valve are respectively converged into one water outlet through the tee joint, the water outlets are connected with a door leaf through the fireproof hose, and the braking element is connected with the control unit through an electric wire;
the door leaf comprises a first door leaf a, a first door leaf b, a second door leaf a and a second door leaf b; the first door leaf a and the second door leaf a, and the first door leaf b and the second door leaf b have the same structure, material, connection relation and function; the door leaf is characterized in that an interlayer is additionally arranged between a fireproof layer of the fireproof door leaf and an outer iron plate, the interlayer and the iron plate form a cavity, a water inlet is formed in the upper part of the first door leaf a, which is close to the side iron plate of the door frame, and penetrates through the cavity, and the water inlet is fixedly connected with a cooling protection device; the other side of the first door leaf a, which is provided with a water inlet, is provided with a second water outlet, the water inlet of the first door leaf b is fixedly connected with the second water outlet of the first door leaf a through a fireproof hose, the iron plates at the bottoms of the four door leaf chambers are all provided with water outlets, the iron plates are fixedly connected with a fireproof layer through rib plates, the surfaces of inner cavities formed by the iron plates and the iron plates are coated with waterproof and antirust coatings, the chambers between the iron plates and the interlayer are divided into a plurality of small chambers, each adjacent small chamber is communicated, the communicated holes of the small chambers are larger than the vertically communicated holes, a plurality of capillary holes are formed in the iron plates at the upper part of each small chamber and are communicated with the outside, and water in the small chambers cannot seep out from the capillary holes under the conditions of normal temperature and normal pressure;
the door frame comprises a side frame, an upper cover plate sealing device, a lower guide rail and a lower guide rail sealing assembly; the side frames comprise a left side frame and a right side frame, the left side frame and the right side frame are parallel, an upper cover plate sealing device and a lower guide rail are fixedly connected between the left side frame and the right side frame, the upper cover plate sealing device is positioned above the lower guide rail and parallel to the guide rail, and the lower guide rail is connected with a lower guide rail sealing assembly; the left side frame is movably connected with a first connecting edge of a first door leaf a through a hinge, the right side frame is movably connected with a first connecting edge of a first door leaf b through a hinge, a second connecting edge of the first door leaf a is movably connected with a first connecting edge of a second door leaf a through a hinge, a second connecting edge of the first door leaf b is movably connected with a first connecting edge of the second door leaf b through a hinge, the lower ends of the second connecting edge of the second door leaf a and the second connecting edge of the second door leaf b are connected with a lower guide rail through pulleys, the upper cover plate sealing device is parallel to the door leaf after the door is closed, and the upper cover plate sealing device is positioned above the door leaf;
the lower guide rail sealing assembly comprises a fireproof rubber tube, a baffle, a second fixed tilting seat, a tilting rod and a tension spring; the second fixed tilting seat is movably connected with the middle of the tilting rod, one end of the tilting rod penetrates through the bottom of the guide rail to expose one section of end cover close to the door frame, the other end of the tilting rod is movably connected with the baffle plate, the end of the tilting rod, which is connected with the baffle plate, is fixedly connected with one end of the tension spring, the other end of the tension spring is fixedly connected with the bottom of the guide rail, the baffle plate is positioned beside the lower guide rail, and one side, close to the door, of the upper edge of the baffle plate is connected with the fireproof rubber tube;
the upper cover plate sealing device comprises a compression bar assembly and a cover plate assembly; the upper end of the cover plate component is movably connected with one side, close to the wall, of the upper layer of the door frame, the lower end of the cover plate component is movably connected with one end of the compression bar component, and the other end of the compression bar component is movably connected with one side, close to the wall, of the side frame of the door frame;
the compression bar assembly comprises a spring, a compression bar, a first fixed tilting seat, a first connecting piece and a first connecting rod; the middle of the pressure lever is movably connected with a first fixed tilting seat, the first fixed tilting seat is positioned in the inner space of one side edge of the door frame, a pivot of the first fixed tilting seat is close to the middle position of the inner space of the door frame, one end of the pressure lever protrudes out from one surface of the side edge of the door frame, which is close to the door, of the door frame, the protruding position of the pressure lever is connected with the position of the door frame, which is close to one surface of the wall, of the side edge of the door frame, through a spring, the protruding end of the pressure lever is movably connected with a second connecting piece, the second connecting piece is fixedly connected with one end of the first connecting piece, and the other end of the first connecting piece is connected with a cover plate component;
the cover plate assembly comprises a first sliding rocker connecting piece, a first rocker, a second connecting rod, a cover plate sliding rail connecting piece, an L-shaped fixing piece and a sealing cover plate; the fire-proof soft block is fixed around the inside of the sealing cover plate, a compression bar component is connected to one end of a first sliding rocker connecting piece, the other end of the first sliding rocker connecting piece is fixedly connected with a first rocker middle section, one end of the first rocker is movably connected with a third connecting piece, the side frame of the door frame is fixedly connected with one side of the wall, the other end of the first rocker is connected with a first cover plate sliding rail connecting piece, the sliding rail of the lower surface of the sealing cover plate is movably connected with the first cover plate sliding rail connecting piece, a fourth connecting piece is arranged between the first sliding rocker connecting piece and the first cover plate sliding rail connecting piece, one end of the fourth connecting piece is movably connected with one end of a second connecting rod, the other end of the second connecting rod is movably connected with a fifth connecting piece, the fifth connecting piece is fixedly connected with the middle section of the second rocker, the second rocker is movably connected with a second cover plate sliding rail connecting piece, the second cover plate sliding rail connecting piece is movably connected with a sliding rail of the lower surface of the sealing cover plate, the other end of the second rocker is movably connected with an L-shaped fixing piece, and the L-shaped fixing piece penetrates through one side of the upper layer of the sealing cover plate fixedly connected with the door frame.
2. The fire resistant folding door of claim 1 wherein the control unit includes a sensing assembly and a control element; the sensing component is provided with a smoke sensing piece and a temperature sensing piece; the smoke sensing piece is connected with the control element through a wire, the door leaves are all installed, the temperature sensing piece is connected with the control element through a wire, and the control element is connected with the braking element through a wire.
3. The fire resistant folding door according to claim 1 or 2, further comprising an automatic door opening device comprising an automatic door system unit, a smoke sensing member, a microwave radar and a control element; the microwave radar is connected with the control element and the control element is connected with the automatic door opening system unit.
CN202210067795.2A 2022-01-20 2022-01-20 Fireproof folding door Active CN114575721B (en)

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CN202210067795.2A CN114575721B (en) 2022-01-20 2022-01-20 Fireproof folding door

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CN202210067795.2A CN114575721B (en) 2022-01-20 2022-01-20 Fireproof folding door

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CN114575721A CN114575721A (en) 2022-06-03
CN114575721B true CN114575721B (en) 2024-03-01

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Citations (8)

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JPH06193356A (en) * 1992-12-25 1994-07-12 Nichibei Co Ltd Door device for movable partition
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JP2009108516A (en) * 2007-10-26 2009-05-21 Itoki Corp Drop seal mechanism for traveling partition
JP2017223103A (en) * 2016-06-08 2017-12-21 日章工業株式会社 Differential pressure relaxation type quick operation double hinged door
CN212743809U (en) * 2020-07-16 2021-03-19 唐山亿特门业有限公司 Efficient steel fireproof door with filling interlayer
CN213234808U (en) * 2020-05-30 2021-05-18 广东坚泰门业有限公司 Automatic folding fireproof door
CN112963077A (en) * 2021-03-02 2021-06-15 广州蓉华门业股份有限公司 Automatic inorganic fire prevention rolling slats door opens and shuts

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE859006A (en) * 1976-09-25 1978-01-16 Metallturen Werke Aug Schwarze STEEL SLIDING FIRE DOOR
JPH06193356A (en) * 1992-12-25 1994-07-12 Nichibei Co Ltd Door device for movable partition
WO2001049372A1 (en) * 1999-12-30 2001-07-12 Adolf Frick Fire-protection device
JP2009108516A (en) * 2007-10-26 2009-05-21 Itoki Corp Drop seal mechanism for traveling partition
JP2017223103A (en) * 2016-06-08 2017-12-21 日章工業株式会社 Differential pressure relaxation type quick operation double hinged door
CN213234808U (en) * 2020-05-30 2021-05-18 广东坚泰门业有限公司 Automatic folding fireproof door
CN212743809U (en) * 2020-07-16 2021-03-19 唐山亿特门业有限公司 Efficient steel fireproof door with filling interlayer
CN112963077A (en) * 2021-03-02 2021-06-15 广州蓉华门业股份有限公司 Automatic inorganic fire prevention rolling slats door opens and shuts

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