Fireproof civil air defense door

By adopting a combination of positioning components and fire-proof components in the civil defense door, the servo motor and worm can be used to achieve rapid opening and closing, and the heat transfer is slowed down through the vacuum cavity and heat insulation board, the existing problems of cumbersome operation, high force and fast heat transfer are solved, and the effects of rapid operation, reduced force, slowed down heat transfer and convenient fire extinguishing are achieved.

CN222759670UActive Publication Date: 2025-04-15SHANDONG ZHONGHAO HLDG GRP
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Patent Information

Application Number
CN202420372284.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2025-04-15
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The existing human security doors are complicated to operate during the switching process, and the door panel is too heavy, resulting in a large hinge force, which quickly transfers heat during fire, and is inconvenient to extinguish the fire.

Method used

A fire-proof civil defense door is designed, using positioning components and fire-proof components, and the rapid opening and closing of the civil defense door is achieved through the combination of servo motor, worm and bidirectional screw; at the same time, heat transfer is blocked through the vacuum cavity and the insulation board, and fire extinguishing operations are simplified through the fire-fighting pipe and water spray pipe.

Benefits of technology

It realizes rapid operation of the civil defense door, reduces the force at the hinge, slows down heat transfer, facilitates fire extinguishing operations, and improves the efficiency of the civil defense door and the protective effect.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222759670U_ABST
    Figure CN222759670U_ABST
Patent Text Reader

Abstract

The utility model discloses a fireproof civil air defense door which comprises a door frame and a civil air defense door body hinged to the middle of the door frame, the civil air defense door body is symmetrically arranged, the inner top of the door frame is hollow, the fireproof civil air defense door further comprises a positioning assembly and a fireproof assembly, the positioning assembly is arranged on the civil air defense door body, and the fireproof assembly is arranged in the door frame and at the inner top of the door frame; the positioning assembly comprises inserting rods moving in the opposite directions and positioning blocks fixedly arranged on the door frame, the positioning blocks are symmetrically arranged in pairs, and the fireproof assembly comprises vacuum cavities symmetrically arranged in the civil defense door and a heat insulation plate arranged between the vacuum cavities. The utility model belongs to the technical field of civil air defense doors, and particularly relates to a fireproof civil air defense door which can quickly complete opening and closing work of the civil air defense door, conduct auxiliary supporting on the civil air defense door in the moving process, reduce force borne by the hinged position, slow down heat transfer and facilitate fire extinguishing operation.
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Description

Technical Field

[0001] The utility model belongs to the technical field of civil air defense doors, and in particular relates to a fireproof civil air defense door. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment.

[0003] Existing civil air defense doors are generally installed at the entrances and exits of civil air defense projects such as underground parking lots, underground shopping malls, hospitals, and warehouses. Since the closing door panels of the civil air defense doors are too heavy, the civil air defense doors will generate a large force on the side frames of the civil air defense doors after being opened and closed several times. In addition, the handles need to be repeatedly turned multiple times when the civil air defense doors are opened and closed, which makes the operation cumbersome. In the event of a fire, the heat of the door body can be easily and quickly transferred to the other side, which needs to be improved. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fireproof civil air defense door, which can quickly complete the opening and closing of the civil air defense door, and provide auxiliary support for the moving civil air defense door, reduce the force on the hinge, slow down the transfer of heat, and facilitate fire extinguishing operations.

[0005] The technical solution adopted by the utility model is as follows: a fireproof civil air defense door, comprising a door frame and a civil air defense door hingedly arranged in the middle of the door frame, the civil air defense door is symmetrically arranged, the top of the door frame is hollow, and also comprises a positioning component and a fireproof component, the positioning component is arranged on the civil air defense door, and the fireproof component is arranged inside the door frame and at the top of the door frame;

[0006] The positioning assembly includes a plug rod that moves toward each other and a positioning block that is fixedly arranged on the door frame, and the positioning blocks are symmetrically arranged in pairs. The fireproof assembly includes a vacuum chamber that is symmetrically arranged inside the civil air defense door and a heat insulation board that is arranged between the vacuum chambers;

[0007] Among them, after the civil air defense door is closed, the civil air defense door is quickly locked and positioned through the positioning component, and after the civil air defense door is closed, fire protection treatment is performed through the fire protection component.

[0008] Furthermore, the positioning assembly also includes a fixing box fixedly mounted on the civil defense door, a servo motor fixedly mounted on the inner wall of the fixing box, a worm fixedly mounted on the output end of the servo motor, a bidirectional screw rotatably connected between the inner top wall and the inner bottom wall of the fixing box, a worm wheel fixedly mounted in the middle position of the bidirectional screw, and an adjusting block penetrating the bidirectional screw and threadedly connected to the bidirectional screw, the worm and the worm wheel meshing with each other, the adjusting block being symmetrically arranged, one end of the insert rod being fixedly mounted on the outer side wall of the adjusting block, and the other end of the insert rod penetrating the fixing box and being slidably connected to the fixing box.

[0009] Furthermore, the fire protection assembly also includes a fire protection pipe fixedly arranged on the top of the door frame, a diversion pipe fixedly arranged between the tops of the door frame, and a water spray pipe fixedly arranged on one side of the diversion pipe, the water spray pipes are arranged at equal intervals in the horizontal direction, the fire protection pipe and the diversion pipe are communicated with each other, the water spray pipe and the diversion pipe are communicated with each other, and one end of the water spray pipe passes through the door frame and is fixed on the door frame.

[0010] Furthermore, the positioning blocks are symmetrically arranged in pairs, and a plug hole is provided in the middle of the positioning block, and the plug hole is adapted to the plug rod.

[0011] Furthermore, a handle is provided on the outer side wall of the fixing box, and the handle is arranged in a C shape.

[0012] Furthermore, a bottom block is provided at the bottom of the side wall of the civil air defense door, and a supporting wheel is provided at the bottom of the bottom block, and the supporting wheel is in contact with the ground.

[0013] After adopting the above structure, the utility model has the following beneficial effects: The utility model proposes a fireproof and man-defense door:

[0014] (1) The meshing transmission between the worm and the worm wheel and the connection relationship of the thread can quickly complete the opening and closing of the civil air defense door;

[0015] (2) The bottom block and support wheels can provide auxiliary support for the moving civil air defense door, reducing the force on the hinge;

[0016] (3) The heat transfer can be blocked by the vacuum chamber and slowed down by the heat insulation board;

[0017] (4) Fire extinguishing operations can be easily performed by installing fire-fighting pipes, diversion pipes and multiple water spray pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0019] Figure 1 This is a schematic diagram of the overall structure of a fireproof and man-protection door proposed by the utility model;

[0020] Figure 2 A cross-sectional view of a fireproof and man-protection door proposed by the utility model;

[0021] Figure 3 Another plan cross-sectional view of a fireproof and civil air defense door proposed in the utility model.

[0022] In the attached drawings: 1. door frame, 2. civil air defense door, 3. plug rod, 4. positioning block, 5. vacuum chamber, 6. heat insulation board, 7. fixing box, 8. servo motor, 9. worm, 10. bidirectional screw, 11. adjusting block, 12. fire hose, 13. diverter pipe, 14. water spray pipe, 15. jack, 16. handle, 17. bottom block, 18. support wheel, 19. worm gear. DETAILED DESCRIPTION

[0023] like Figure 1-3 As shown, a fireproof civil air defense door comprises a door frame 1 and a civil air defense door 2 hingedly arranged at the middle position of the door frame 1, the civil air defense door 2 is symmetrically arranged, and the top of the door frame 1 is hollow, and also comprises a positioning component and a fireproof component, the positioning component is arranged on the civil air defense door 2, and the fireproof component is arranged inside the door frame 1 and at the top of the door frame 1; the positioning component comprises an insertion rod 3 moving towards each other and a positioning block 4 fixedly arranged on the door frame 1, the positioning blocks 4 are symmetrically arranged in pairs, and the fireproof component comprises a vacuum chamber 5 symmetrically arranged inside the civil air defense door 2 and a heat insulation board 6 arranged between the vacuum chambers 5; wherein, after the civil air defense door 2 is closed, the civil air defense door 2 is quickly locked and positioned by the positioning component, and after the civil air defense door 2 is closed, fireproof treatment is performed by the fireproof component.

[0024] like Figure 1-3 As shown, in order to realize the rapid opening and closing of the civil air defense door 2, the positioning assembly also includes a fixed box 7 fixedly mounted on the civil air defense door 2, a servo motor 8 fixedly mounted on the inner wall of the fixed box 7, a worm 9 fixedly mounted at the output end of the servo motor 8, a bidirectional screw 10 rotatably connected between the inner top wall of the fixed box 7 and the inner bottom wall of the fixed box 7, a worm wheel 19 fixedly mounted at the middle position of the bidirectional screw 10, and an adjusting block 11 penetrating the bidirectional screw 10 and being threadedly connected to the bidirectional screw 10, the worm 9 and the worm wheel 19 are meshed, the adjusting block 11 is symmetrically arranged, one end of the insertion rod 3 is fixedly arranged on the outer wall of the adjusting block 11, the other end of the insertion rod 3 penetrates the fixed box 7 and is slidably connected to the fixed box 7, the positioning blocks 4 are symmetrically arranged in pairs, and a socket 15 is provided at the middle position of the positioning block 4, and the socket 15 is adapted to the insertion rod 3.

[0025] like Figure 1-3 As shown, in order to reduce the transfer of heat and facilitate fire extinguishing, the fire protection assembly also includes a fire fighting pipe 12 fixedly arranged on the top of the door frame 1, a diversion pipe 13 fixedly arranged between the top of the door frame 1 and a water spray pipe 14 fixedly arranged on one side of the diversion pipe 13, the water spray pipes 14 are arranged at equal intervals in the horizontal direction, the fire fighting pipe 12 is communicated with the diversion pipe 13, the water spray pipe 14 is communicated with the diversion pipe 13, and one end of the water spray pipe 14 passes through the door frame 1 and is fixed on the door frame 1.

[0026] In order to reduce the force applied to the hinge when the civil air defense door 2 is opened or closed, a bottom block 17 is provided at the bottom of the side wall of the civil air defense door 2, and a supporting wheel 18 is provided at the bottom of the bottom block 17, and the supporting wheel 18 is in contact with the ground.

[0027] A handle 16 is disposed on the outer side wall of the fixing box 7 , and the handle 16 is arranged in a C shape.

[0028] During specific use, when opening or closing the civil defense door 2, the separation and connection of the insertion rod 3 and the positioning block 4 can be completed by adjusting the relative or opposite movement of the insertion rod 3, and the servo motor 8 is turned on for forward or reverse rotation, and the servo motor 8 drives the worm 9 to rotate, and the worm 9 drives the worm wheel 19 and the bidirectional screw 10 to rotate at the same time. The rotation of the bidirectional screw 10 causes the adjustment block to drive the insertion rod 3 to move towards or relative to each other under the limiting action of the insertion rod 3, so as to realize the door opening or closing operation. During the door opening or closing process, the contact between the support wheel 18 and the ground can provide auxiliary support for the civil defense door 2, and the fire-fighting pipe 12 can be connected to external fire-fighting equipment. When a fire occurs, water enters the diversion pipe 13 through the fire-fighting pipe 12 and is then sprayed out through multiple water spray pipes 14 to perform fire-fighting operations, and the vacuum chamber 5 can block the transfer of heat and the insulation board 6 can slow down the transfer of heat, thereby improving the protection effect of the civil defense door 2.

[0029] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A fireproof civil air defense door, comprising a door frame and a civil air defense door hingedly arranged in the middle of the door frame, wherein the civil air defense door is symmetrically arranged, and the top of the door frame is hollow, characterized in that: It also includes a positioning component and a fireproof component, wherein the positioning component is arranged on the civil air defense door, and the fireproof component is arranged inside the door frame and on the top of the door frame; The positioning assembly includes a plug rod that moves toward each other and a positioning block that is fixedly arranged on the door frame, and the positioning blocks are symmetrically arranged in pairs. The fireproof assembly includes a vacuum chamber that is symmetrically arranged inside the civil air defense door and a heat insulation board that is arranged between the vacuum chambers; Among them, after the civil air defense door is closed, the civil air defense door is quickly locked and positioned through the positioning component, and after the civil air defense door is closed, fire protection treatment is performed through the fire protection component.

2. A fireproof and man-protection door according to claim 1, characterized in that: The positioning assembly also includes a fixing box fixedly mounted on the civil air defense door, a servo motor fixedly mounted on the inner wall of the fixing box, a worm fixedly mounted on the output end of the servo motor, a bidirectional screw rotatably connected between the inner top wall and the inner bottom wall of the fixing box, a worm wheel fixedly mounted in the middle position of the bidirectional screw, and an adjusting block penetrating the bidirectional screw and threadedly connected to the bidirectional screw, the worm and the worm wheel meshing, the adjusting block being symmetrically arranged, one end of the insert rod being fixedly mounted on the outer side wall of the adjusting block, and the other end of the insert rod penetrating the fixing box and being slidably connected to the fixing box.

3. A fireproof and man-protection door according to claim 2, characterized in that: The fire protection assembly also includes a fire protection pipe fixedly arranged on the top of the door frame, a diversion pipe fixedly arranged between the tops of the door frame, and a water spray pipe fixedly arranged on one side of the diversion pipe. The water spray pipes are arranged at equal intervals in the horizontal direction. The fire protection pipe and the diversion pipe are communicated with each other, and the water spray pipe and the diversion pipe are communicated with each other. One end of the water spray pipe passes through the door frame and is fixed on the door frame.

4. A fireproof and man-protection door according to claim 3, characterized in that: The positioning blocks are symmetrically arranged in pairs, and a plug hole is provided in the middle of the positioning blocks, and the plug hole is adapted to the plug rod.

5. A fireproof and man-protection door according to claim 4, characterized in that: A handle is provided on the outer side wall of the fixing box, and the handle is arranged in a C shape.

6. A fireproof and man-protection door according to claim 5, characterized in that: A bottom block is provided at the bottom of the side wall of the civil air defense door, and a supporting wheel is provided at the bottom of the bottom block, and the supporting wheel is in contact with the ground.