CN115263160A - Fire-fighting safety door - Google Patents

Fire-fighting safety door Download PDF

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Publication number
CN115263160A
CN115263160A CN202211169819.1A CN202211169819A CN115263160A CN 115263160 A CN115263160 A CN 115263160A CN 202211169819 A CN202211169819 A CN 202211169819A CN 115263160 A CN115263160 A CN 115263160A
Authority
CN
China
Prior art keywords
door plate
wall
door
plate
bolt
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
CN202211169819.1A
Other languages
Chinese (zh)
Inventor
邱峰
裴智
曾家
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.)
Nanjing Xinjianxin Electronics Co ltd
Original Assignee
Nanjing Xinjianxin Electronics 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 Nanjing Xinjianxin Electronics Co ltd filed Critical Nanjing Xinjianxin Electronics Co ltd
Priority to CN202211169819.1A priority Critical patent/CN115263160A/en
Publication of CN115263160A publication Critical patent/CN115263160A/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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/02—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with one sliding bar for fastening when moved in one direction and unfastening when moved in opposite direction; with two sliding bars moved in the same direction when fastening or unfastening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/70—Door leaves
    • E06B3/7009—Door leaves with two similar parts placed one above the other, pivoting separately
    • 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
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • 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
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B2007/023—Air flow induced by fan

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses a fire-fighting safety door, which relates to the technical field of safety doors and comprises a door frame, wherein a left door plate and a right door plate are hinged inside the door frame, a small door plate is hinged inside the right door plate, a first locking device and a second locking device are arranged inside the small door plate, the left door plate and the right door plate, an air interchanger is arranged inside the lower end of the left door plate, an exhaust device with the same structure as the air interchanger is arranged inside the upper end of the left door plate, automatic door closing devices are respectively arranged between the left door plate and the door frame and between the right door plate and the small door plate, and an automatic door closing device is arranged between the small door plate and the right door plate. According to the invention, the left door plate is supported by matching the sealing strip and the triangular support plate, so that the left door plate is more stable, meanwhile, a safer space can be provided for workers by matching the left door plate, and internal gas is exhausted by the exhaust device, so that the workers in the triangular support plate can not be smoked by smoke.

Description

Fire-fighting safety door
Technical Field
The invention relates to the technical field of safety doors, in particular to a fire-fighting safety door.
Background
A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like.
When taking place the conflagration danger, all can shift to safe place from fire exit, and the part place of catching fire can explode, can close fire exit for the safety of protection safety zone personnel's safety, and the partly stranded personnel do not in time withdraw from, consequently need reopen fire exit, however reopen fire exit probably can lead to a large amount of oxygen to get into the place of catching fire, leads to taking place the flame shock wave, injures the personnel that open the door.
Disclosure of Invention
The invention aims to: in order to solve the problems, the fire-fighting safety door is provided.
In order to achieve the purpose, the invention adopts the following technical scheme: a fire-fighting safety door comprises a door frame, wherein a left door plate and a right door plate are hinged inside the door frame, a small door plate is hinged inside the right door plate, a first locking device and a second locking device are installed inside the small door plate, the left door plate and the right door plate, an air interchanger is installed inside the lower end of the left door plate, an exhaust device with the same structure as the air interchanger is installed inside the upper end of the left door plate, automatic door closing devices are respectively arranged between the left door plate and the door frame and between the right door plate and the left door plate, and an automatic door closing device is arranged between the small door plate and the right door plate;
the first locking device comprises a first gear which is rotatably arranged in an inner cavity of a left door plate, two sides of the first gear are respectively engaged and connected with a first movable rod, a first tooth groove which is matched with the first gear for use is formed in the outer wall of the first movable rod, the first movable rod is connected with a left door plate inner cavity in a sliding mode, a first connecting rod is fixedly arranged at one end of the first movable rod, a first bolt is fixedly arranged on the outer wall of the first connecting rod, one of the first bolt is engaged and connected with a third gear, one side of the third gear is engaged and connected with a second movable rod, the second movable rod is perpendicularly arranged with the first bolt and is parallel to the upper end of the left door plate, a second tooth groove which is matched with the third gear for use is formed in the outer wall of the second movable rod and the outer wall of the first bolt, a first transmission rod which is matched with the second movable rod for use is arranged in the sliding mode inside of the right door plate, a first through hole which is matched with the second movable rod for use is formed in the outer wall of the right door plate, a third spring which is driven to reset rightwards is arranged on the outer wall of the first door plate, a plurality of a triangular sealing strip is arranged on one side of a supporting plate, and a triangular sealing strip is arranged on one side of a supporting plate which is matched and a triangular sealing strip which is arranged on one side of a triangular door plate which is arranged on the outer wall of a triangular door plate which is arranged on the supporting plate.
Further, the second locking device comprises a second gear which is arranged in the inner cavity of the left door plate in a rotating mode, a third movable rod is meshed with one side of the second gear, a second connecting rod is fixedly arranged on one side of the third movable rod, a third bolt is fixedly arranged on one side of the second connecting rod, a second through hole which is used by matching with the third bolt is formed in the outer wall of the small door plate, a movable frame which is used by matching with the third bolt is arranged in the inner activity of the small door plate, a first spring is arranged on one side of the movable frame, fourth connecting rods which are used by matching with the movable frame are respectively arranged at the two ends of the movable frame, a second spring is arranged between the fourth connecting rod and the small door plate, fourth bolts are respectively and fixedly arranged at the two ends of the fourth connecting rod, and pin holes which are used by matching with the fourth bolt are formed in the outer wall of the right door plate.
Furthermore, the movable frame comprises a rectangular frame, a fifth bolt is fixedly arranged on the outer wall of one side of the rectangular frame, and a pin hole matched with the fifth bolt for use is formed in the outer wall of the right door plate.
Furthermore, breather includes the filter tube, the inside packing of filter tube has the active carbon, the both ends of filter tube communicate respectively has the trachea, two the trachea is connected with gas outlet and air inlet respectively, air inlet department installs the fan, tracheal outer wall slides and is provided with the seal cover, gas pocket and lower gas pocket have been seted up respectively at both ends about the trachea outer wall, the inside gas pocket that is located of trachea is fixed between gas pocket and the lower gas pocket and is provided with the closing plate, the both ends of seal cover are fixed respectively and are provided with sealing rubber, and wherein the sealing rubber of upper end is located gas pocket department, the outer wall of seal cover is fixed and is provided with the dead lever, the other end and one of them first movable rod fixed connection of dead lever.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the left door plate is supported through the matching of the sealing strip and the triangular supporting plate, so that the left door plate is more stable, meanwhile, a safer space can be provided for workers through the matching of the left door plate, and internal gas is exhausted through the exhaust device, so that the personnel in the triangular supporting plate can not be smoked by smoke.
Drawings
Fig. 1 is a front view of a fire safety door according to the present invention;
fig. 2 is a schematic view of the back of a fire safety door according to the present invention;
fig. 3 is a schematic view of the inside of a left door panel of a fire safety door according to the present invention;
FIG. 4 is a schematic view of the inside of the right door panel and the small door panel of the fire safety door according to the present invention;
FIG. 5 is a schematic view of the connection between the right door panel and the small door panel of the fire safety door according to the present invention;
FIG. 6 is a schematic structural view of a triangular support plate of a fire safety door according to the present invention;
fig. 7 is a schematic view of the connection between the air pipe and the sealing sleeve of the fire safety door provided by the invention.
In the figure: 1. a door frame; 101. a sealing strip; 2. a left door panel; 3. a right door panel; 4. a small door panel; 5. an automatic door closing device; 6. a ventilation device; 601. an air outlet; 602. an air inlet; 603. a filter tube; 604. an air tube; 6041. a lower air hole; 6042. air holes are arranged; 6043. a sealing plate; 605. sealing sleeves; 606. fixing the rod; 607. sealing rubber; 7. a first locking device; 701. a first gear; 702. a first movable bar; 703. a first connecting rod; 704. a first bolt; 705. a third gear; 706. a second movable bar; 707. a first drive lever; 708. a third spring; 709. a third connecting rod; 710. a triangular support plate; 7101. a non-standard gear; 8. a second locking device; 801. a second gear; 802. a third movable bar; 803. a second connecting rod; 804. a third bolt; 805. a movable frame; 8051. a rectangular frame; 8052. a fifth bolt; 806. a fourth connecting rod; 807. a fourth bolt; 808. a second spring; 809. a first spring.
Detailed Description
The technical solutions in 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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, a fire-fighting safety door comprises a door frame 1, a left door plate 2 and a right door plate 3 are hinged inside the door frame 1, a small door plate 4 is hinged inside the right door plate 3, a first locking device 7 and a second locking device 8 are mounted inside the small door plate 4, the left door plate 2 and the right door plate 3, an air interchanger 6 is mounted inside the lower end of the left door plate 2, an exhaust device with the same structure as the air interchanger 6 is mounted inside the upper end of the left door plate 2, an automatic door closing device 5 is respectively arranged between the left door plate 2 and the right door plate 3 and the door frame 1, and an automatic door closing device 5 is arranged between the small door plate 4 and the right door plate 3;
the first locking device 7 comprises a first gear 701 rotatably arranged in an inner cavity of the left door panel 2, two sides of the first gear 701 are respectively engaged and connected with a first movable rod 702, the outer wall of the first movable rod 702 is provided with a first tooth space used for matching with the first gear 701, the first movable rod 702 is slidably connected with the inner cavity of the left door panel 2, one end of the first movable rod 702 is fixedly provided with a first connecting rod 703, the outer wall of the first connecting rod 703 is fixedly provided with a first bolt 704, the outer wall of one of the first bolts 704 is engaged and connected with a third gear 705, one side of the third gear 705 is engaged and connected with a second movable rod 706, the second movable rod 706 is vertically arranged with the first bolt 704 and is parallel to the upper end of the left door panel 2, the outer wall of the second movable rod 706 and the outer wall of the first bolt 704 are respectively provided with a second tooth space used for matching with the third gear 705, the inner part of the right door panel 3 is slidably provided with a first movable rod 707 used for matching with the second movable rod 706, the outer wall of the right door panel 3 is provided with a second through hole used for matching with the first bolt 704, the outer wall of the right door panel 3 is provided with a third movable rod 707, the outer wall of the first movable rod 707, the first movable rod is sleeved on the outer wall of the first movable rod 709, the outer wall of the first movable rod 710, the outer wall of the door panel is provided with a non-fixed triangular door panel 709, the non-fixed triangular door panel 710, the non-fixed triangle 7101 used for driving the non-fixed triangular door panel, the non-fixed triangle 7101 of the non-fixed triangle 711, the non-fixed triangle 71710, the non-fixed triangle 713 is provided on one side of the non-fixed triangle 711 of the non-fixed door panel 710, the non-fixed triangle 713, the non-fixed triangle 711 of the non-fixed triangle 713, the non-fixed triangle 71710, the non-fixed triangle 711 of the non-fixed triangle 713, the non-fixed door panel is provided with the non-fixed triangle 711 of the non-fixed triangle 713, the non-fixed triangle 711.
Further, the second locking device 8 includes a second gear 801 rotatably disposed in the inner cavity of the left door panel 2, one side of the second gear 801 is engaged with a third movable rod 802, one side of the third movable rod 802 is fixedly provided with a second connecting rod 803, one side of the second connecting rod 803 is fixedly provided with a third latch 804, a second through hole used for matching with the third latch 804 is disposed on the outer wall of the small door panel 4, the inside of the small door panel 4 is movably provided with a movable frame 805 used for matching with the third latch 804, one side of the movable frame 805 is provided with a first spring 809, two ends of the movable frame 805 are respectively provided with a fourth connecting rod 806 used for matching with the movable frame 805, a second spring 808 is disposed between the fourth connecting rod 806 and the small door panel 4, two ends of the fourth connecting rod 806 are respectively fixedly provided with a fourth latch 807, and a pin hole used for matching with the fourth latch 807 is disposed on the outer wall of the right door panel 3.
Further, the movable frame 805 includes a rectangular frame 8051, a fifth plug 8052 is fixedly disposed on an outer wall of one side of the rectangular frame 8051, and a pin hole matched with the fifth plug 8052 is formed in an outer wall of the right door panel 3.
Further, the ventilation device 6 includes a filter pipe 603, activated carbon is filled in the filter pipe 603, two ends of the filter pipe 603 are respectively communicated with an air pipe 604, the two air pipes 604 are respectively connected with the air outlet 601 and the air inlet 602, a fan is installed at the air inlet 602, a sealing sleeve 605 is slidably arranged on the outer wall of the air pipe 604, an upper air hole 6042 and a lower air hole 6041 are respectively formed at the upper end and the lower end of the outer wall of the air pipe 604, a sealing plate 6043 is fixedly arranged between the upper air hole 6042 and the lower air hole 6041 in the air pipe 604, sealing rubber 607 is respectively fixedly arranged at two ends of the sealing sleeve 605, the sealing rubber 607 at the upper end is located at the upper air hole 6042, a fixing rod 606 is fixedly arranged on the outer wall of the sealing sleeve 605, and the other end of the fixing rod 606 is fixedly connected with one of the first movable rods 702.
The working principle is as follows:
the worker drives the first gear 701 to rotate through the hand wheel, the first gear 701 drives the first movable rod 702 to move, the first movable rod 702 drives the first movable rod 702 to drive the fixed rod 606 to move, the fixed rod 606 drives the sealing sleeve 605 to move, and the sealing sleeve 605 drives the sealing rubber 607 to move, so that the upper end and the lower end of the air pipe 604 are communicated, the air hole enters a space between the two triangular supporting plates 710, internal air is exhausted through an exhaust device, the fact that the personnel inside the triangular supporting plates 710 cannot be smoked by smoke is guaranteed, and the sealing rubber 607 at the end is located at the upper air hole 6042, so that the filter pipe 603 is in a sealing state in the non-use process, and the interior of the filter pipe 603 is prevented from being polluted;
meanwhile, when the first movable rod 702 moves, the non-standard gear 7101 is driven to rotate through the fourth tooth slot, the non-standard gear 7101 drives the triangular support plate 710 to rotate, the triangular support plate 710 is flush with the sealing strip 101, and the left door panel 2 is supported through the matching of the sealing strip 101 and the triangular support plate 710, so that the left door panel 2 is more stable, and meanwhile, a safer space can be provided for workers by matching with the left door panel 2;
meanwhile, the first movable rod 702 can drive the first connecting rod 703 to move when moving, the first connecting rod 703 can drive the first bolt 704 to move, the surface of the door frame 1 is provided with a positioning hole, the first bolt 704 enters the positioning hole on the surface of the door frame 1, meanwhile, the first bolt 704 drives the second movable rod 706 to move through the third gear 705, the second movable rod 706 enters the right door panel 3 and pushes the first transmission rod 707 to move, the first transmission rod 707 pushes the third connecting rod 709 to move, and the third connecting rod 709 drives the second bolt to enter the positioning hole of the door frame 1, so that the left door panel 2 and the right door panel 3 are more stable;
the staff uses the cell-phone to look over the camera, when discovery has stranded personnel to come, warn stranded personnel through loudspeaker and carry out temporary avoidance in relatively safe place, the staff stands in triangular support plate 710 upper end, rotatory second gear 801 afterwards, second gear 801 drives third movable rod 802 and removes, third movable rod 802 drives second connecting rod 803 and removes, second connecting rod 803 drives third bolt 804 and removes, third bolt 804 can withdraw from inside little door plant 4, and the inside movable frame 805 of little door plant 4 resets under the effect of first spring 809, open little door plant 4 this moment, thereby when dangerous, little door plant 4 and two triangular support plate 710 can form very stable triangle space, through loudspeaker adjustment stranded personnel fast pass through little door plant 4 after little door plant 4 opens.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (4)

1. A fire-fighting safety door comprises a door frame (1) and is characterized in that a left door plate (2) and a right door plate (3) are hinged inside the door frame (1), a small door plate (4) is hinged inside the right door plate (3), a first locking device (7) and a second locking device (8) are installed inside the small door plate (4), the left door plate (2) and the right door plate (3), an air exchange device (6) is installed inside the lower end of the left door plate (2), an exhaust device with the same structure as the air exchange device (6) is installed inside the upper end of the left door plate (2), an automatic door closing device (5) is arranged between the left door plate (2) and the right door plate (3) and the door frame (1), and an automatic door closing device (5) is arranged between the small door plate (4) and the right door plate (3);
the first locking device (7) comprises a first gear (701) rotatably arranged in an inner cavity of a left door plate (2), two sides of the first gear (701) are respectively connected with a first movable rod (702) in a meshed mode, a first tooth groove matched with the first gear (701) for use is formed in the outer wall of the first movable rod (702), one end of the first movable rod (702) is fixedly provided with a first connecting rod (703), the outer wall of the first connecting rod (703) is fixedly provided with a first bolt (704), one outer wall of the first bolt (704) is connected with a third gear (705) in a meshed mode, one side of the third gear (705) is connected with a second movable rod (706) in a meshed mode, the inside of the right door plate (3) is provided with a first transmission rod (707) matched with the second movable rod (706) for use in a sliding mode, the outer wall of the right door plate (3) is provided with a first through hole matched with the second movable rod (706) for use, the outer wall of the first door plate (3) is provided with a third spring (707) driving the first transmission rod (707) to reset rightwards, one end of the first door plate (709) is provided with a plurality of a third door plate (709), and a plurality of supporting plates (709) is arranged on the outer wall of the door plate (709) far away from the fixed door plate (709), and a plurality of the third door plate (709) is provided with a plurality of the third supporting plate (709) hinged type supporting plate (710), one side of triangular support board (710) is fixed and is provided with non-standard gear (7101), the fourth tooth's socket that cooperation non-standard gear (7101) used is seted up to the outer wall of first movable rod (702), the fixed sealing strip (101) that are provided with cooperation triangular support board (710) and use of outer wall of door frame (1).
2. A fire safety door according to claim 1, wherein the second locking device (8) comprises a second gear (801) rotatably disposed in an inner cavity of the left door panel (2), one side of the second gear (801) is engaged with a third movable rod (802), one side of the third movable rod (802) is fixedly provided with a second connecting rod (803), one side of the second connecting rod (803) is fixedly provided with a third bolt (804), the outer wall of the small door panel (4) is provided with a second through hole for use in cooperation with the third bolt (804), the inner part of the small door panel (4) is movably provided with a movable frame (805) for use in cooperation with the third bolt (804), one side of the movable frame (805) is provided with a first spring (809), two ends of the movable frame (805) are respectively provided with a fourth connecting rod (806) for use in cooperation with the movable frame (805), a second spring (808) is disposed between the fourth connecting rod (806) and the small door panel (4), two ends of the fourth connecting rod (806) are respectively fixedly provided with a fourth bolt hole (807), and an outer wall of the right door panel (3) for use in cooperation with the fourth bolt (807).
3. The fire safety door according to claim 2, wherein the movable frame (805) comprises a rectangular frame (8051), a fifth bolt (8052) is fixedly arranged on the outer wall of one side of the rectangular frame (8051), and a pin hole matched with the fifth bolt (8052) is formed in the outer wall of the right door plate (3).
4. The fire safety door according to claim 1, wherein the ventilation device (6) comprises a filter pipe (603), activated carbon is filled in the filter pipe (603), two ends of the filter pipe (603) are respectively communicated with an air pipe (604), the two air pipes (604) are respectively connected with an air outlet (601) and an air inlet (602), a fan is installed at the air inlet (602), a sealing sleeve (605) is slidably arranged on the outer wall of the air pipe (604), an upper air hole (6042) and a lower air hole (6041) are respectively formed in the upper end and the lower end of the outer wall of the air pipe (604), a sealing plate (6043) is fixedly arranged between the upper air hole (6042) and the lower air hole (6041) in the air pipe (604), sealing rubbers (607) are respectively and fixedly arranged at two ends of the sealing sleeve (605), wherein the sealing rubber (607) at the upper end is positioned at the upper air hole (6042), a fixing rod (606) is fixedly arranged on the outer wall of the sealing sleeve (605), and the other end of the fixing rod (606) is fixedly connected with one of the first movable rods (702).
CN202211169819.1A 2022-09-26 2022-09-26 Fire-fighting safety door Pending CN115263160A (en)

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CN202211169819.1A CN115263160A (en) 2022-09-26 2022-09-26 Fire-fighting safety door

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Application Number Priority Date Filing Date Title
CN202211169819.1A CN115263160A (en) 2022-09-26 2022-09-26 Fire-fighting safety door

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CN115263160A true CN115263160A (en) 2022-11-01

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201671503U (en) * 2010-04-16 2010-12-15 武汉理工大学 Earthquake escape anti-theft door
CN204877145U (en) * 2015-08-17 2015-12-16 赵贵州 Threshing ground family automatically -controlled door
CN205117140U (en) * 2015-10-29 2016-03-30 周豪杰 Folding escape door
CN108316823A (en) * 2018-02-12 2018-07-24 河南大红门门业有限公司 A kind of high intensity prized up-proof door
CN109898968A (en) * 2019-03-27 2019-06-18 六安市恒伟标识有限公司 The emergency isolation control method of fire resistant doorsets
CN211313931U (en) * 2019-12-05 2020-08-21 南通诺捷人防工程防护设备有限公司 Novel civil air defense door
CN212118802U (en) * 2019-12-06 2020-12-11 吴振冲 Equipment of dodging temporarily of conflagration
CN212985021U (en) * 2020-04-07 2021-04-16 武汉开门见山科技有限公司 Intelligent security people's air defense door equipment
CN113982439A (en) * 2021-11-12 2022-01-28 江苏爵格工业集团有限公司 Anti-explosion fire rescue door

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201671503U (en) * 2010-04-16 2010-12-15 武汉理工大学 Earthquake escape anti-theft door
CN204877145U (en) * 2015-08-17 2015-12-16 赵贵州 Threshing ground family automatically -controlled door
CN205117140U (en) * 2015-10-29 2016-03-30 周豪杰 Folding escape door
CN108316823A (en) * 2018-02-12 2018-07-24 河南大红门门业有限公司 A kind of high intensity prized up-proof door
CN109898968A (en) * 2019-03-27 2019-06-18 六安市恒伟标识有限公司 The emergency isolation control method of fire resistant doorsets
CN211313931U (en) * 2019-12-05 2020-08-21 南通诺捷人防工程防护设备有限公司 Novel civil air defense door
CN212118802U (en) * 2019-12-06 2020-12-11 吴振冲 Equipment of dodging temporarily of conflagration
CN212985021U (en) * 2020-04-07 2021-04-16 武汉开门见山科技有限公司 Intelligent security people's air defense door equipment
CN113982439A (en) * 2021-11-12 2022-01-28 江苏爵格工业集团有限公司 Anti-explosion fire rescue door

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Application publication date: 20221101