High-safety civil air defense door with heat insulation and sound insulation functions

Abstract

The utility model relates to a high-safety civil air defense door with heat insulation and sound insulation functions, which belongs to the technical field of civil air defense doors and comprises a door frame, two civil air defense door bodies are rotatably connected in the door frame through hinges, and a connecting frame is arranged in the door frame. According to the high-safety civil air defense door with the heat insulation and sound insulation functions, rotating frames on the left side and the right side are twisted to drive bolt cylinders on the left side and the right side to rotate in the left frame body and the right frame body, and threaded rods in threaded connection with the interiors of threaded grooves on the upper side and the lower side move in the opposite directions under limiting of rectangular cylinders on the upper side and the lower side; the connecting frame is arranged in the door frame and located on the rear sides of the civil air defense door bodies on the left side and the right side, the civil air defense door bodies can be prevented from being pried open, the fixing mechanisms are arranged on the front faces of the civil air defense door bodies on the left side and the right side, installation convenience is improved, and meanwhile overhauling is facilitated; by arranging the heat insulation plates and the sound insulation plates in the civil air defense door bodies on the left side and the right side, the heat insulation performance and the sound insulation performance of the civil air defense door can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a high-safety civil air defense door with heat insulation and sound insulation functions. Background Technique

[0002] A civil air defense door is a specially designed protective door, aiming to provide a passage for personnel to take shelter and evacuate safely in case of emergency. It is usually used in the protective measures of buildings, underground facilities or other public places, aiming to protect personnel from the harm of natural disasters, fires, explosions, terrorist attacks, etc. The civil air defense door plays an important role in the protective system of buildings and public places, and can protect the lives and property of personnel. Due to its special design and functions, the civil air defense door usually needs to be strictly tested and certified according to relevant regulations and standards to ensure that it meets the safety requirements and reliability standards.

[0003] For example, Chinese Patent CN221169311U discloses a high-safety civil air defense door, including a door frame, a first door body and a second door body. Positioning columns are arranged on both the left and right sides of the door frame, and the first door body and the second door body are respectively rotatably installed on the outer surfaces of the two positioning columns; in this device, by setting a rotating rod, a telescopic rod and a lead screw, when the rotating wheel is rotated clockwise, the rotating rod is driven to rotate, the rotating rod drives the gear to rotate, the gear drives the moving rod to move horizontally, and then drives the connecting block and the movable rod to move, and further pushes the telescopic rod to extend outward into the bolt hole through the first through hole and the second through hole for fixation. At this time, the connecting block, the movable rod and the telescopic rod are all in a straight line, and then the lead screw rotates inside the first fixing block and the second fixing block, and moves downward through the thread, so that the lead screw is threadedly connected with the threaded hole in the middle of the limiting block. The dual fixing method makes the door body not easily loosen and has a relatively high safety performance.

[0004] Although the above patent makes the lead screw threadedly connected with the threaded hole in the middle of the limiting block by moving downward through the thread, and the dual fixing method makes the door body not easily loosen and has a relatively high safety performance, the gears and teeth are arranged inside the first door body and the second door body, which is relatively cumbersome to install and not convenient for maintenance, reducing the practicability. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a high-safety civil air defense door with heat insulation and sound insulation functions, which has the advantages of improving the convenience of installation and being convenient for maintenance, etc., and solves the problems that the gears and teeth are arranged inside the first door body and the second door body, which is relatively cumbersome to install and not convenient for maintenance, reducing the practicability.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A highly secure civil air defense door with heat insulation and sound insulation functions, including a door frame, inside which there are two civil air defense door bodies rotatably connected by hinges. Inside the door frame, there is a connecting frame located at the rear of the left and right civil air defense door bodies, and fixing mechanisms are provided on the front of the left and right civil air defense door bodies;

[0007] The fixing mechanism includes two frames, two bolt cylinders, two rotating frames, four threaded grooves, four threaded rods, four rectangular rods and a connecting component. The two frames are both fixed on the front of the left and right civil air defense door bodies by bolts. The two bolt cylinders are both rotatably connected inside the left and right frames through bearings. The rotating frames are arranged on the outside of the bolt cylinders. The four threaded grooves are all opened at the top and bottom of the left and right bolt cylinders. The threaded rods are threadedly connected inside the threaded grooves. The opposite sides of the upper and lower rectangular rods are fixedly connected to the opposite sides of the upper and lower threaded rods.

[0008] By adopting this technical solution, the fixing mechanism arranged on the front of the left and right civil air defense door bodies can improve the convenience of installation and is also convenient for maintenance.

[0009] Furthermore, sound insulation boards are provided inside the left and right civil air defense door bodies, and heat insulation boards are provided inside the left and right civil air defense door bodies. The heat insulation boards are located in front of the sound insulation boards.

[0010] By adopting this technical solution, after the sound insulation boards and heat insulation boards are provided inside the civil air defense door bodies, there is no extra space, which can improve the overall strength of the civil air defense door bodies.

[0011] Furthermore, the heat insulation board is a rock wool board, and the sound insulation board is a wooden board.

[0012] By adopting this technical solution, the heat insulation performance and sound insulation performance of the left and right civil air defense door bodies can be improved through the heat insulation boards and sound insulation boards.

[0013] Furthermore, the connecting component includes four rectangular cylinders and four insertion blocks. The four are all slidably connected to the outside of the four rectangular rods. The four rectangular cylinders are all arranged on the upper and lower sides of the front of the left and right civil air defense door bodies. The four insertion blocks are all arranged on the left and right sides of the upper and lower sides of the front of the door frame. The opposite ends of the upper and lower rectangular rods are slidably inserted into the inside of the opposite sides of the upper and lower insertion blocks.

[0014] By adopting this technical solution, the opposite sides of the upper and lower rectangular rods can be inserted into the inside of the opposite sides of the upper and lower insertion blocks, and then the left and right civil air defense door bodies can be fixed inside the door frame.

[0015] Furthermore, the gap between the rectangular rod and the rectangular cylinder is matched, and the rectangular rod makes a linear movement up and down inside the rectangular cylinder.

[0016] By adopting this technical solution, the stability of the up-and-down movement of the rectangular rod can be improved through the rectangular cylinder.

[0017] Furthermore, magnet blocks are arranged on both the left and right sides of the front surface of the door frame. Iron frames are rotatably connected to both the left and right sides of the front surface of the door frame. Blocks are arranged on the front surfaces of the left and right sides of the civil air defense door body, and the lower surface of the iron frame is in contact with the upper surface of the block.

[0018] By adopting this technical solution, the stability of the left and right sides of the civil air defense door body during closing can be improved through the left and right iron frames, reducing the possibility of being pried open.

[0019] Furthermore, the upper and lower threaded grooves are symmetrically distributed on the upper and lower sides of the horizontal central axis of the bolt cylinder.

[0020] By adopting this technical solution, the threads in the upper threaded groove are opposite to the threads in the lower threaded groove.

[0021] Furthermore, the bolt cylinder is located on the longitudinal central axis of the frame body.

[0022] By adopting this technical solution, the stability of the rotation of the bolt cylinder inside the frame body is improved.

[0023] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0024] For this highly secure civil air defense door with heat insulation and sound insulation functions, by twisting the rotating frames on the left and right sides to drive the bolt cylinders on the left and right sides to rotate inside the left and right frame bodies, the threaded rods threadedly connected inside the upper and lower threaded grooves move in opposite directions under the limitation of the upper and lower rectangular cylinders. The upper and lower rectangular rods slide in opposite directions inside the upper and lower rectangular cylinders, and then the opposite ends of the upper and lower rectangular rods are slidably inserted into the opposite sides of the upper and lower engaging blocks, so that the left and right sides of the civil air defense door body can be fixed inside the door frame. By arranging the connecting frame inside the door frame and behind the left and right sides of the civil air defense door body, the situation of the civil air defense door body being pried open can be prevented, improving safety. The fixing mechanism is arranged on the front surfaces of the left and right sides of the civil air defense door body to improve the convenience of installation and is also convenient for maintenance. By arranging heat insulation boards and sound insulation boards inside the left and right sides of the civil air defense door body, the heat insulation performance and sound insulation performance of the civil air defense door can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the present utility model;

[0026] Figure 2 It is a three-dimensional structural diagram of the door frame of the present utility model;

[0027] Figure 3Schematic diagram of the internal structure of the civil air defense door body of the present utility model;

[0028] Figure 4 Schematic diagram of the fixing mechanism of the present utility model.

[0029] In the figure: 1, door frame; 2, civil air defense door body; 3, connecting frame; 4, fixing mechanism; 41, frame body; 42, bolt cylinder; 43, rotating frame; 44, thread groove; 45, threaded rod; 46, rectangular rod; 471, rectangular cylinder; 472, inserting block; 5, sound insulation board; 6, heat insulation board; 7, magnet block; 8, iron frame; 9, stop block. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] Please refer to Figures 1 to 3 , a highly secure civil air defense door with heat insulation and sound insulation functions in this embodiment includes a door frame 1. Two civil air defense door bodies 2 are rotatably connected inside the door frame 1 through hinges. A connecting frame 3 is arranged inside the door frame 1. The connecting frame 3 is located behind the left and right civil air defense door bodies 2. A fixing mechanism 4 is provided on the front surfaces of the left and right civil air defense door bodies 2. The fixing mechanism 4 improves the convenience of installation and is also convenient for maintenance. The connecting frame 3 and the door frame 1 are integrally designed and formed.

[0032] In this embodiment, sound insulation boards 5 are arranged inside the left and right civil air defense door bodies 2, and heat insulation boards 6 are arranged inside the left and right civil air defense door bodies 2. The heat insulation boards 6 are located in front of the sound insulation boards 5. The heat insulation boards 6 are rock wool boards, and the sound insulation boards 5 are wooden boards. Magnet blocks 7 are arranged on the left and right sides of the front surface of the door frame 1. Iron frames 8 are rotatably connected to the left and right sides of the front surface of the door frame 1. Stop blocks 9 are arranged on the front surfaces of the left and right civil air defense door bodies 2. The lower surface of the iron frame 8 is attached to the upper surface of the stop block 9.

[0033] It should be noted that when opening the civil air defense door body 2, the left and right iron frames 8 can be rotated so that the opposite sides of the left and right iron frames 8 are attracted to the opposite sides of the left and right magnet blocks 7.

[0034] Please refer to Figure 4, in order to improve the convenience of installation and facilitate maintenance, in this embodiment, the fixing mechanism 4 includes two frames 41, two bolt cylinders 42, two rotating frames 43, four threaded grooves 44, four threaded rods 45, four rectangular rods 46 and a connecting component. Both of the two frames 41 are fixed to the front of the left and right side civil air defense door bodies 2 by bolts. Both of the two bolt cylinders 42 are rotatably connected to the inside of the left and right side frames 41 through bearings, and the rotating frames 43 are arranged on the outside of the bolt cylinders 42.

[0035] In this embodiment, the four threaded grooves 44 are respectively opened at the top and bottom of the left and right side bolt cylinders 42. The threaded rods 45 are threadedly connected to the inside of the threaded grooves 44. The opposite sides of the upper and lower rectangular rods 46 are fixedly connected to the opposite sides of the upper and lower threaded rods 45. The threads on the outside of the upper threaded rod 45 are opposite to the threads on the outside of the lower threaded rod 45. At the same time, the threads in the upper threaded groove 44 are opposite to the threads in the lower threaded groove 44. By rotating the rotating frame 43, the upper and lower threaded rods 45 can move in the same opposite direction or in the same relative direction synchronously.

[0036] In this embodiment, the connecting component includes four rectangular cylinders 471 and four insertion blocks 472. The four are all slidably connected to the outside of the four rectangular rods 46. The four rectangular cylinders 471 are respectively arranged on the upper and lower sides of the front of the left and right side civil air defense door bodies 2. The four insertion blocks 472 are respectively arranged on the left and right sides of the upper and lower sides of the front of the door frame 1. By twisting the rotating frames 43 on the left and right sides, the bolt cylinders 42 on the left and right sides are rotated inside the left and right side frames 41. The threaded rods 45 threadedly connected to the inside of the upper and lower threaded grooves 44 move in the opposite direction under the limitation of the upper and lower rectangular cylinders 471. The upper and lower rectangular rods 46 slide in the opposite direction inside the upper and lower rectangular cylinders 471. Then, the opposite ends of the upper and lower rectangular rods 46 slide and are inserted into the inside of the opposite sides of the upper and lower insertion blocks 472.

[0037] In this embodiment, the opposite ends of the upper and lower rectangular rods 46 are respectively slidably inserted into the inside of the opposite sides of the upper and lower insertion blocks 472. The gaps between the rectangular rods 46 and the rectangular cylinders 471 are matched. The rectangular rods 46 make linear up and down movements inside the rectangular cylinders 471. The upper and lower threaded grooves 44 are symmetrically distributed on the upper and lower sides of the horizontal central axis of the bolt cylinder 42. The bolt cylinder 42 is located on the longitudinal central axis of the frame 41.

[0038] It should be noted that the left and right side civil air defense door bodies 2 can be fixed inside the door frame 1. By arranging the connecting frame 3 inside the door frame 1 and behind the left and right side civil air defense door bodies 2, the situation that the civil air defense door bodies 2 are pried open can be prevented. By arranging the heat insulation board 6 and the sound insulation board 5 inside the left and right side civil air defense door bodies 2, the heat insulation performance and sound insulation performance of the civil air defense door can be improved.

[0039] The working principle of the above embodiment is:

[0040] By twisting the rotating frames 43 on the left and right sides to drive the bolt cylinders 42 on the left and right sides to rotate inside the frame bodies 41 on the left and right sides, the threaded rods 45 threadedly connected inside the upper and lower threaded grooves 44 move in opposite directions under the limitation of the upper and lower rectangular cylinders 471, and the upper and lower rectangular rods 46 slide in opposite directions inside the upper and lower rectangular cylinders 471. Then, the opposite ends of the upper and lower rectangular rods 46 are slidably inserted into the opposite sides of the upper and lower engaging blocks 472, so that the air defense door bodies 2 on the left and right sides can be fixed inside the door frame 1. By arranging the connecting frame 3 inside the door frame 1 and behind the air defense door bodies 2 on the left and right sides, the situation that the air defense door bodies 2 are pried open can be prevented. By arranging the heat insulation board 6 and the sound insulation board 5 inside the air defense door bodies 2 on the left and right sides, the heat insulation performance and the sound insulation performance of the air defense door can be improved.

Claims

1. A high-security civil air defense door with heat and sound insulation functions, comprising a door frame (1), characterized in that: Two civil air defense door bodies (2) are rotatably connected to the interior of the door frame (1) via hinges, a connecting frame (3) is provided inside the door frame (1), the connecting frame (3) is located at the rear sides of the left and right civil air defense door bodies (2), and a fixing mechanism (4) is provided on the front sides of the left and right civil air defense door bodies (2); The fixing mechanism (4) comprises two frames (41), two bolt barrels (42), two rotating frames (43), four threaded grooves (44), four threaded rods (45), four rectangular rods (46) and a connecting assembly. The two frames (41) are fixed to the front of the left and right civil air defense door bodies (2) by bolts. The two bolt barrels (42) are rotatably connected to the inside of the left and right frames (41) by bearings. The rotating frame (43) is arranged on the outside of the bolt barrel (42). The four threaded grooves (44) are opened at the top and bottom ends of the left and right bolt barrels (42). The threaded rods (45) are threadedly connected to the inside of the threaded grooves (44). The opposite sides of the upper and lower rectangular rods (46) are fixedly connected to the opposite sides of the upper and lower threaded rods (45).

2. A high-security civil air defense door with heat and sound insulation functions according to claim 1, characterized in that: The interior of the left and right civil air defense door bodies (2) is provided with a sound insulation board (5), and the interior of the left and right civil air defense door bodies (2) is provided with a heat insulation board (6), and the heat insulation board (6) is located in front of the sound insulation board (5).

3. A high-security civil air defense door with heat and sound insulation functions according to claim 2, characterized in that: The heat insulation board (6) is a rock wool board, and the sound insulation board (5) is a wooden board.

4. The high-security civil air defense door with heat and sound insulation functions according to claim 1 is characterized in that: The connection assembly comprises four rectangular tubes (471) and four plug-in blocks (472), the four of which are slidably connected to the outside of four rectangular rods (46), the four rectangular tubes (471) are arranged on the upper and lower sides of the front of the left and right civil air defense door bodies (2), the four plug-in blocks (472) are arranged on the left and right sides of the upper and lower sides of the front of the door frame (1), and the opposite ends of the upper and lower rectangular rods (46) are slidably plugged into the inside of the opposite sides of the upper and lower plug-in blocks (472).

5. A high-security civil air defense door with heat and sound insulation functions according to claim 4, characterized in that: The rectangular rod (46) matches the gap of the rectangular tube (471), and the rectangular rod (46) moves linearly up and down inside the rectangular tube (471).

6. The high-security civil air defense door with heat and sound insulation functions according to claim 1 is characterized by: The left and right sides of the front face of the door frame (1) are both provided with magnet blocks (7), the left and right sides of the front face of the door frame (1) are both rotatably connected with iron frames (8), and the left and right sides of the front face of the civil air defense door bodies (2) are both provided with stoppers (9), and the lower surface of the iron frame (8) is in contact with the upper surface of the stopper (9).

7. The high-security civil air defense door with heat and sound insulation functions according to claim 1 is characterized by: The thread grooves (44) on the upper and lower sides are symmetrically distributed on the upper and lower sides of the transverse center axis of the bolt barrel (42).

8. The high-security civil air defense door with heat and sound insulation functions according to claim 1 is characterized by: The bolt barrel (42) is located on the longitudinal center axis of the frame body (41).

Images