Fireproof door for civil defense

By designing alarm fire extinguishing components and closing components in the fire door for civil defense, the problem of escape time delay caused by inconvenient opening and closing of the fire door and lock closure is solved, timely alarm and fire extinguishing treatment are achieved, and the practicality of the fire door is improved.

CN222595923UActive Publication Date: 2025-03-11SICHUAN HENGJIALI FIRE EQUIP CO LTD
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Patent Information

Application Number
CN202420920617.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-03-11
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing fire doors for civil defense are inconvenient when opening and closing, and closing the lock may cause people to miss the best escape time, and when the fire source is discovered, it is impossible to call the alarm to extinguish the fire in time.

Method used

A fire door for civil defense is designed, including an alarm fire extinguishing assembly and a closure assembly. The alarm fire extinguishing assembly includes water separator, spray head, alarm light and smoke sensors, which are used to promptly alarm and fire extinguishing. The closure assembly includes a rotating shaft, a transverse block, a bidirectional screw, an adjustment frame and a pin for flexible and efficient opening and closing of the fire door.

Benefits of technology

It realizes flexible opening and closing and secondary locking of fire doors, timely alarm and fire extinguishing treatment, improving people's escape ability and practicality of fire doors in the best escape time.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222595923U_ABST
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Abstract

The fireproof door for civil defense comprises a door frame, a fireproof door body and gentle slopes, the fireproof door body is movably connected into the door frame, the gentle slopes are fixedly connected to the bottoms of the front side and the rear side of the door frame, the interior of the fireproof door body is provided with a cavity, and the fireproof door further comprises an alarming and fire extinguishing assembly and a closing assembly. The alarming and fire extinguishing assemblies are arranged on the front side and the rear side of the door frame, and the closing assembly is arranged in the fireproof door. The utility model belongs to the technical field of fireproof doors, and particularly relates to a fireproof door for civil defense, which solves the problems that the fireproof door is inconvenient to open and close, and some fireproof doors are closed by using locks, so that people miss the best escape time, and the fireproof door for civil defense cannot give an alarm and extinguish fire in time when a fire source is found.
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Description

Technical Field

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

[0002] Civil air defense projects, also known as civil air defense projects, refer to underground protective buildings built separately to ensure the shelter of personnel and materials, civil air defense command, and medical rescue during wartime, as well as basements built in combination with ground buildings that can be used for air defense during wartime.

[0003] Most of the locking structures of existing civil air defense fire doors and door frames are inconvenient to open and close, and some use locks to close them, causing people to miss the best time to escape, and when a fire source is found, the alarm cannot be promptly used to extinguish the fire, so the practicality is low. Utility Model Content

[0004] The technical problem to be solved by the utility model is that fire doors are inconvenient to open and close, and some use locks to close them, causing people to miss the best time to escape, and failing to promptly alarm and extinguish the fire when a fire source is found.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a fire door for civil air defense, comprising a door frame, a fire door and a gentle slope, wherein the fire door is movably connected in the door frame, and the gentle slope is fixedly connected to the bottom of the front and rear sides of the door frame, and the inner part of the fire door is a cavity setting, and also comprises an alarm fire extinguishing component and a closing component, wherein the alarm fire extinguishing component is arranged on the front and rear sides of the door frame, and the closing component is arranged inside the fire door, and the fire source can be extinguished in time through the alarm fire extinguishing component, and the closing component can flexibly and efficiently complete the opening and closing of the fire door.

[0006] Furthermore, the alarm fire extinguishing assembly includes a water distribution pipe, a sprinkler, an alarm light and a smoke sensor. The top of the outer side wall of the door frame is provided with symmetrically distributed fixed blocks. The water distribution pipe passes through the fixed block and is fixedly connected to the fixed block. The sprinkler is fixedly connected to the water distribution pipe. The sprinkler is arranged at equal intervals laterally. The alarm light is fixedly installed on the door frame. The smoke sensor is fixedly installed on the door frame. The smoke sensor and the alarm light are symmetrically distributed.

[0007] Furthermore, the closing component includes a rotating shaft, a cross block, a bidirectional screw, an adjusting frame and a latch, the rotating shaft passes through the fire door and is rotatably connected to the fire door, turntables are fixedly connected to both ends of the rotating shaft, the cross block is fixedly connected to the inside of the fire door, the cross block is symmetrically distributed up and down, the bidirectional screw passes through the cross block and is rotatably connected to the cross block, the adjusting frame passes through the bidirectional screw and is threadedly connected to it, the adjusting frame is symmetrically distributed up and down, the latch is fixedly connected to the top of the adjusting frame, a limit groove is provided inside the fire door, the limit groove is distributed up and down, the outer side wall of the adjusting frame is fixedly connected to the limit block, the limit block is slidably arranged in the limit groove, a worm gear is fixedly connected to the middle position of the bidirectional screw, a thread is provided in the middle position of the rotating shaft, the thread and the worm wheel are meshed to form a worm and worm wheel, and one end of the latch passes through the fire door and is slidably connected to it.

[0008] Furthermore, a vertical plate is fixedly connected inside the fire door, an electric push rod is fixedly connected to the vertical plate, a connecting plate is fixedly connected to the free end of the electric push rod, and symmetrically distributed plug rods are fixedly connected to the outer side wall of the connecting plate.

[0009] Furthermore, the rotating shaft is provided with slots, the slots are arranged in a ring shape, and the insertion rods are adapted to the slots.

[0010] Furthermore, the top and bottom of the door frame are both provided with positioning grooves, and the positioning grooves are adapted to the latches.

[0011] After adopting the above structure, the utility model has the following beneficial effects:

[0012] (1) Fire doors can be opened and closed flexibly, and fire doors in corresponding states can be locked twice;

[0013] (2) When the smoke sensor senses an abnormal value, it transmits the signal to the alarm light for alarm processing, so that people can find it as soon as possible, and can use the water distribution pipe and sprinkler settings to extinguish the fire in time;

[0014] (3) The practicality of fire doors is improved, allowing people to escape within the optimal escape time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 This is a schematic diagram of the overall structure of a fire door for civil air defense proposed by the utility model;

[0017] Figure 2This is a three-dimensional structural schematic diagram of a fire door for civil defense proposed by the utility model;

[0018] Figure 3 A three-dimensional schematic diagram of a half-section structure of a fire door for civil air defense proposed by the utility model;

[0019] Figure 4 This is a front half-section view of a fire door for civil air defense proposed by the utility model;

[0020] Figure 5 This is a top sectional view of a fire door for civil air defense proposed by the utility model.

[0021] In the attached drawings: 1. door frame, 2. fire door, 3. gentle slope, 4. water distribution pipe, 5. sprinkler, 6. alarm light, 7. smoke sensor, 8. fixing block, 9. rotating shaft, 10. horizontal block, 11. bidirectional screw, 12. adjusting frame, 13. latch, 14. turntable, 15. limit groove, 16. limit block, 17. worm gear, 18. vertical plate, 19. electric push rod, 20. connecting plate, 21. plug rod, 22. slot, 23. positioning groove. DETAILED DESCRIPTION

[0022] like Figure 1-2 As shown, a fire door for civil air defense includes a door frame 1, a fire door 2 and a gentle slope 3. The fire door 2 is movably connected in the door frame 1, and the gentle slope 3 is fixedly connected to the bottom of the front and rear sides of the door frame 1. The inner part of the fire door 2 is a cavity setting, and also includes an alarm fire extinguishing component and a closing component. The alarm fire extinguishing component is arranged on the front and rear sides of the door frame 1, and the closing component is arranged inside the fire door 2.

[0023] like Figure 1-5 As shown, in order to promptly give an alarm and extinguish the fire at the fire source, the alarm fire extinguishing assembly includes a water distribution pipe 4, a nozzle 5, an alarm light 6 and a smoke sensor 7. A symmetrically distributed fixing block 8 is provided on the top of the outer wall of the door frame 1. The water distribution pipe 4 passes through the fixing block 8 and is fixedly connected to the fixing block 8. The nozzle 5 is fixedly connected to the water distribution pipe 4. The nozzles 5 are arranged at equal intervals in the horizontal direction. The alarm light 6 is fixedly installed on the door frame 1. The smoke sensor 7 is fixedly installed on the door frame 1. The smoke sensor 7 and the alarm light 6 are symmetrically distributed.

[0024] like Figure 1-5As shown, in order to flexibly and efficiently complete the opening and closing of the fire door 2, the closing component includes a rotating shaft 9, a cross block 10, a bidirectional screw 11, an adjustment frame 12 and a latch 13. The rotating shaft 9 passes through the fire door 2 and is rotatably connected to the fire door 2. A turntable 14 is fixedly connected to both ends of the rotating shaft 9. The cross block 10 is fixedly connected to the inside of the fire door 2. The cross block 10 is symmetrically distributed up and down. The bidirectional screw 11 passes through the cross block 10 and is rotatably connected to the cross block 10. The adjustment frame 12 passes through the bidirectional screw 11 and is threadedly connected thereto. The adjusting frame 12 is symmetrically distributed up and down, the latch 13 is fixedly connected to the top of the adjusting frame 12, a limit groove 15 is provided inside the fire door 2, the limit groove 15 is distributed up and down, the outer wall of the adjusting frame 12 is fixedly connected to a limit block 16, the limit block 16 is slidably arranged inside the limit groove 15, a worm gear 17 is fixedly connected to the middle position of the bidirectional screw 11, a thread is provided in the middle position of the rotating shaft 9, the thread and the worm gear 17 are meshed to form a worm gear 17, and one end of the latch 13 passes through the fire door 2 and is slidably connected thereto.

[0025] In order to enable the fire door 2 to be locked for the second time, a vertical plate 18 is fixedly connected inside the fire door 2, an electric push rod 19 is fixedly connected to the vertical plate 18, a connecting plate 20 is fixedly connected to the free end of the electric push rod 19, and symmetrically distributed plug rods 21 are fixedly connected to the outer wall of the connecting plate 20. Slots 22 are provided on the rotating shaft 9, and the slots 22 are arranged in a ring shape. The plug rods 21 and the slots 22 are matched with each other. Positioning grooves 23 are provided at the top and bottom of the door frame 1, and the positioning grooves 23 and the latch 13 are matched with each other.

[0026] When in use, when closing the fire door 2, the electric push rod 19 is controlled to retract so that the plug rod 21 and the slot 22 are separated, and then the turntable 14 is rotated, and the rotating shaft 9 of the rotating shaft 9 causes the thread in the middle position of the rotating shaft 9 to drive the worm gear 17 to rotate, and the rotation of the bidirectional screw 11 causes the adjustment block to drive the latch 13 to move vertically under the limiting and guiding action of the limiting block 16 and the limiting slot 15, until the latch 13 is inserted into the corresponding positioning slot 23, and the fire door 2 can be closed for the first time, and then the electric push rod 19 is controlled to extend, and the plug rod 21 is inserted into the corresponding slot 22 to lock the rotating shaft 9, and the fire door 2 is locked for the second time to prevent it from being opened privately;

[0027] When a fire occurs, the smoke sensor 7 transmits a signal to the alarm light 6 for alarm processing when sensing abnormal values, so that people can find it as soon as possible. One end of the water distribution pipe 4 is connected to the corresponding water source pipeline, and the water distribution pipe 4 and the nozzle 5 are used to perform fire extinguishing operations in time, so as to gain the best escape time for people.

[0028] 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 fire door for civil air defense, comprising a door frame, a fire door and a gentle slope, wherein the fire door is movably connected in the door frame, the gentle slope is fixedly connected to the bottom of the front and rear sides of the door frame, and the inner part of the fire door is a cavity, characterized in that: It also includes an alarm fire extinguishing component and a closing component. The alarm fire extinguishing component is arranged on the front and rear sides of the door frame, and the closing component is arranged inside the fire door. The fire source can be extinguished in time through the alarm fire extinguishing component, and the closing component can flexibly and efficiently complete the opening and closing of the fire door; The closing assembly includes a rotating shaft, a cross block, a two-way screw, an adjusting frame and a latch, the rotating shaft passes through the fire door and is rotatably connected to the fire door, turntables are fixedly connected to both ends of the rotating shaft, the cross block is fixedly connected to the inside of the fire door, the cross block is symmetrically distributed up and down, the two-way screw passes through the cross block and is rotatably connected to the cross block, the adjusting frame passes through the two-way screw and is threadedly connected to it, the adjusting frame is symmetrically distributed up and down, the latch is fixedly connected to the top of the adjusting frame, a limit groove is provided inside the fire door, the limit groove is distributed up and down, the outer side wall of the adjusting frame is fixedly connected to the limit block, the limit block is slidably arranged in the limit groove, a worm gear is fixedly connected to the middle position of the two-way screw, a thread is provided in the middle position of the rotating shaft, the thread and the worm wheel are meshed to form a worm and worm wheel, and one end of the latch passes through the fire door and is slidably connected to it.

2. A fire door for civil air defense according to claim 1, characterized in that: The alarm fire extinguishing assembly includes a water distribution pipe, a sprinkler, an alarm light and a smoke sensor. A symmetrically distributed fixed block is provided on the top of the outer side wall of the door frame. The water distribution pipe passes through the fixed block and is fixedly connected to the fixed block. The sprinkler is fixedly connected to the water distribution pipe. The sprinkler is arranged at equal intervals in the horizontal direction. The alarm light is fixedly installed on the door frame. The smoke sensor is fixedly installed on the door frame. The smoke sensor and the alarm light are symmetrically distributed.

3. A fire door for civil air defense according to claim 2, characterized in that: A vertical plate is fixedly connected inside the fire door, an electric push rod is fixedly connected to the vertical plate, a connecting plate is fixedly connected to the free end of the electric push rod, and symmetrically distributed plug rods are fixedly connected to the outer side wall of the connecting plate.

4. A fire door for civil air defense according to claim 3, characterized in that: The rotating shaft is provided with slots, which are arranged in a ring shape, and the insertion rods are adapted to the slots.

5. A fire door for civil air defense according to claim 4, characterized in that: The top and bottom of the door frame are both provided with positioning grooves, and the positioning grooves are matched with the latch pins.