Civil air defense door frame wall protection device

By designing a protective device for the civil defense door frame wall, the installation plate, connection assembly, fixation assembly and sealing assembly are used to solve the problem of weak openings in the civil defense door frame wall, and the protection and sealing performance are improved.

CN222436223UActive Publication Date: 2025-02-07SICHUAN XUDONG CIVIL AIR DEFENSE EQUIP CO LTD
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Patent Information

Application Number
CN202421179316.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-07
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

Because the civil defense door frame wall is equipped with inlet and exhaust ducts, smoke outlet ducts, cable pipelines, etc., the openings are in a weak state, which is prone to penetrating cracks and reduces protection performance.

Method used

A civil-proof door frame protection device is designed, including a mounting plate, a connecting assembly, a fixing assembly and a sealing assembly. The mounting plate is connected to the steel bars of the connecting assembly and the door frame wall, and is pre-built on the door frame wall. The through holes are used to penetrate the pipeline, the fixed assembly is used to fix the pipeline, and the sealing assembly is used to seal the through holes.

Benefits of technology

Through this device, pipelines can be penetrated without opening individual holes in the door frame wall, avoiding stress concentration, enhancing the protective performance of the door frame wall and improving the sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a civil air defense door frame wall protection device, and belongs to the technical field of civil air defense engineering. The device comprises a mounting plate, a connecting assembly, a fixing assembly and a sealing assembly, a plurality of through holes allowing pipelines to penetrate through are formed in the mounting plate, the connecting assembly is arranged on the mounting plate, and the connecting assembly is used for connecting the mounting plate and door frame wall steel bars; the fixing assembly is arranged on the mounting plate and used for fixing the pipeline penetrating through the through hole; and the sealing assembly is also arranged on the mounting plate and is used for sealing the two ends of the through hole. The civil air defense door frame has the effect of improving the protection performance of the civil air defense door frame.
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Description

Technical Field

[0001] The present application relates to the field of civil air defense engineering technology, and in particular to a civil air defense door frame protection device. Background Art

[0002] The full name of civil defense project is people's air defense project, which refers to underground protective buildings built separately to ensure the shelter of personnel and materials, civil air defense command, and medical rescue in wartime, as well as basements built in combination with ground buildings that can be used for air defense in wartime.

[0003] The civil defense door frame wall is the door frame and wall around the civil defense door at the entrance and exit of the civil air defense project. It is an important part of the civil air defense project. The strength of this weak link directly determines the protection level of the entire civil air defense project.

[0004] The civil air defense door frame wall is penetrated by air inlet and exhaust ducts, smoke exhaust ducts, cable pipelines, etc. The opening part of the civil air defense door frame cavity is in a weak state, which can easily cause stress concentration and produce penetrating cracks, thereby reducing the protective performance of the civil air defense door frame wall. Summary of the invention

[0005] In order to improve the protective performance of the civil air defense door frame, the present application provides a civil air defense door frame protection device.

[0006] The present application provides a civil air defense door frame protection device that adopts the following technical solution:

[0007] A civil air defense door frame wall protection device comprises a mounting plate, a connecting assembly, a fixing assembly and a sealing assembly. The mounting plate is provided with a plurality of through holes for passing pipelines. The connecting assembly is arranged on the mounting plate, and is used to connect the mounting plate with the door frame wall reinforcement. The fixing assembly is arranged on the mounting plate, and is used to fix the pipeline passing through the through hole. The sealing assembly is also arranged on the mounting plate, and is used to seal both ends of the through hole.

[0008] Optionally, the connection assembly includes a connection plate and a connection rod, wherein the connection plate is disposed around the edges of both sides of the mounting plate, and a plurality of the connection rods are connected and disposed between the two connection plates.

[0009] Optionally, the fixing assembly includes a fixing plate, a sliding rod and a clamping member, a mounting cavity is opened on the mounting plate, the lower end of the mounting cavity is connected to the through hole, the sliding rod is slidably arranged in the mounting cavity, the fixing plate is arranged at the lower end of the sliding rod and is located in the through hole, the clamping member is arranged on the mounting plate and connected to the sliding rod, and the clamping member makes the sliding rod always have a tendency to move downward.

[0010] Optionally, the clamping member includes a spring, which is arranged in the installation cavity, and the two ends of the spring are respectively connected to the sliding rod and the installation plate, and the spring makes the sliding rod always have a tendency to move toward the through hole; a driving member is also arranged on the installation plate, and the driving member is connected to the sliding rod and is used to drive the sliding rod to move upward along the installation cavity.

[0011] Optionally, the driving member includes a rotating shaft, a gear and a rack. A driving cavity is opened in the mounting plate and connected to the mounting cavity. The rotating shaft is rotatably set on the mounting plate. One end of the rotating shaft extends into the driving cavity and the other end extends outside the mounting plate. The gear is set on the rotating shaft and located in the driving cavity. The rack is set on the side of the sliding rod facing the driving cavity, and the gear is meshed with the rack.

[0012] Optionally, a knob is provided at one end of the rotating shaft outside the mounting plate.

[0013] Optionally, the fixing plate is an arc-shaped plate body that fits the inner wall of the through hole, and both sides of the fixing plate are chamfered.

[0014] Optionally, the sealing assembly includes an airbag and an air pipe, and sealing grooves are provided on the inner walls at both ends of the through hole, and the airbags are arranged in the two sealing grooves. The two airbags are connected by the air pipe, and one end of the air pipe extends outside the mounting plate. An inflation nozzle is provided at the end of the air pipe outside the mounting plate.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] 1. The mounting plate is connected to the steel bars of the door frame wall through a connecting assembly, so that the mounting plate is pre-built on the door frame wall. At the same time, a through hole is opened on the mounting plate. When installing various pipelines in the later stage, there is no need to drill holes on the door frame wall. They can be directly passed through the through holes. There is no need to drill a separate hole on the civil air defense door frame wall. The mounting plate also plays a role in reinforcing the position where the pipelines are inserted, thereby improving the protective performance of the civil air defense door frame wall;

[0017] 2. Fix the pipeline in the through hole with the fixing component and seal the through hole with the sealing component to improve the airtightness of the civil air defense door frame wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0019] Figure 2 It is a cross-sectional view used to show the structure of the fixing component in the embodiment of the present application.

[0020] Figure 3 It is a cross-sectional view used to show the structure of the driving member in the embodiment of the present application.

[0021] Description of reference numerals:

[0022] 1. Mounting plate; 11. Through hole; 12. Mounting cavity; 13. Driving cavity; 14. Sealing groove; 2. Connecting assembly; 21. Connecting plate; 22. Connecting rod; 3. Fixing assembly; 31. Fixing plate; 32. Sliding rod; 33. Spring; 34. Rotating shaft; 35. Gear; 36. Rack; 37. Knob; 4. Sealing assembly; 41. Airbag; 42. Trachea. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 This application is described in further detail.

[0024] The present application embodiment discloses a human defense door frame wall protection device, referring to Figure 1 A human air defense door frame wall protection device includes a mounting plate 1, a connection component 2, a fixing component 3 and a sealing component 4. The mounting plate 1 is a rectangular steel plate with a thickness equivalent to that of the door frame wall. A plurality of through holes 11 for pipelines to pass through are provided on the mounting plate 1. The connection component 2 is arranged on the mounting plate 1, and the connection component 2 is used to connect the mounting plate 1 to the steel cage of the door frame wall. During the construction of the door frame wall, the mounting plate 1 is installed on the steel cage of the door frame wall through the connection component 2, and then the formwork is supported on both sides of the steel cage, the formwork is fitted with the mounting plate 1, and then the door frame wall is cast, so that the mounting plate 1 is stably installed on the door frame wall. The mounting plate 1 is pre-built on the door frame wall, and a through hole 11 is provided on the mounting plate 1. When various pipelines are installed later, there is no need to drill holes in the door frame wall, and they can be directly passed through the through hole 11, which improves the problem of stress concentration at the opening of the door frame wall and the easy generation of gaps. At the same time, the mounting plate 1 plays a role in reinforcing the position where the pipeline is inserted, thereby improving the protective performance of the civil air defense door frame wall. The fixing component 3 is arranged on the mounting plate 1, and the pipeline passes through the through hole 11 during installation. The fixing component 3 is used to fix the pipeline passing through the through hole 11. The sealing component 4 is also arranged on the mounting plate 1, and the pipeline is inserted in the through hole 11. The sealing component 4 is used to seal both ends of the through hole 11, thereby improving the sealing performance of the civil air defense door frame wall.

[0025] Reference 1- Figure 3 The connection assembly 2 includes a connection plate 21 and a connection rod 22. The connection plates 21 are connected around the edges of both sides of the mounting plate 1. The outer side of the connection plate 21 is flush with the mounting plate 1, and a gap is left between the connection plates 21 on both sides of the mounting plate 1. A plurality of connection rods 22 are installed between the two connection plates 21. The plurality of connection rods 22 play the role of supporting and reinforcing the two connection plates 21. At the same time, when the mounting plate 1 is installed on the door frame wall, the steel cage of the door frame wall can be tied and connected with the connection rod 22, and then the subsequent concrete pouring is performed, so as to facilitate the stable connection of the mounting plate 1 to the steel cage of the door frame wall, and then facilitate the stable installation of the mounting plate 1 on the door frame wall.

[0026] Reference Figure 2 The fixing assembly 3 includes a fixing plate 31, a sliding rod 32 and a fastening member. A mounting cavity 12 is provided on the mounting plate 1 and is located directly above each through hole 11. The lower end of the mounting cavity 12 is connected to the corresponding through hole 11. The sliding rod 32 is slidably arranged in the mounting cavity 12. The cross-sectional shapes of the sliding rod 32 and the mounting cavity 12 are both rectangular. The fixing plate 31 is arranged at the lower end of the sliding rod 32 and is located in the through hole 11. The fixing plate 31 is an arc-shaped plate body, and the fixing plate 31 fits the top wall of the through hole 11. Furthermore, in order to enable the pipeline to be inserted into the through hole 11 more smoothly, the two sides of the fixing plate 31 are chamfered; at the same time, in order to avoid damage to the pipeline when the fixing plate 31 contacts the pipeline, a rubber pad is provided on the side of the fixing plate 31 facing the through hole 11. The fastening member is arranged on the mounting plate 1 and connected to the sliding rod 32. The fastening member enables the sliding rod 32 to always have a tendency to move downward in the mounting cavity 12.

[0027] The pipeline is passed through the through hole 11 , and the abutting member drives the mounting rod to move toward the through hole 11 , thereby driving the fixing plate 31 to abut against the pipeline in the through hole 11 , thereby fixing the pipeline in the mounting plate 1 .

[0028] Reference Figure 2 The pressing member includes a spring 33, which is arranged in the installation cavity 12 and at the upper end of the sliding rod 32. One end of the spring 33 is fixedly connected to the installation plate 1, and the other end of the spring 33 is fixedly connected to the top of the sliding rod 32. The spring 33 makes the sliding rod 32 always have a tendency to move toward the through hole 11. A driving member is also arranged on the installation plate 1, which is connected to the sliding rod 32 and is used to drive the sliding rod 32 to move upward in the installation cavity 12. The spring 33 makes the sliding rod 32 always have a tendency to move toward the through hole 11, and then the spring 33 drives the fixing plate 31 to press on the pipeline in the through hole 11, so as to achieve the effect of facilitating the fixing of the pipeline in the through hole 11. When the pipeline needs to be inserted into the through hole 11, the driving member drives the sliding rod 32 to move upward along the installation cavity 12, so that the pipeline can be smoothly inserted into the through hole 11.

[0029] Reference Figure 2 and Figure 3The driving member includes a rotating shaft 34, a gear 35 and a rack 36. A driving chamber 13 is provided on one side of the mounting chamber 12 in the mounting plate 1, and the driving chamber 13 is connected to the mounting chamber 12. The rotating shaft 34 is horizontally rotatably mounted on the mounting plate 1, and one end of the rotating shaft 34 extends into the driving chamber 13, and the other end of the rotating shaft 34 extends outside the mounting plate 1. The gear 35 is coaxially fixedly connected to the rotating shaft 34 and is located in the driving chamber 13. The rack 36 is arranged on the side of the sliding rod 32 facing the driving chamber 13, and the gear 35 is meshed with the rack 36. A groove is provided on the surface of the mounting plate 1 and opposite to the rotating shaft 34. A knob 37 is fixedly installed on one end of the rotating shaft 34 outside the mounting plate 1. The knob 37 is located in the groove to avoid accidental touching of the knob 37 to a certain extent. By rotating the knob 37 , the rotating shaft 34 is driven to rotate, and then the gear 35 is driven to rotate, thereby driving the rack 36 meshing with the gear 35 to move, thereby achieving the effect of driving the sliding rod 32 to move.

[0030] Reference Figure 2 The sealing assembly 4 includes an airbag 41 and an air pipe 42. A sealing groove 14 is formed around the inner wall at both ends of the through hole 11. The airbags 41 are installed in the two sealing grooves 14. The airbags 41 are annular, and one side of the airbags 41 is fixedly connected to the inner wall of the sealing groove 14. The two airbags 41 are connected through the air pipe 42, and one end of the air pipe 42 extends to the outside of the mounting plate 1. A groove body is also formed on the side of the mounting plate 1 and opposite to the air pipe 42. An inflation nozzle is provided at one end of the groove body of the air pipe 42, and the inflation nozzle is located in the groove body. After the pipeline is passed through the through hole 11 and fixed by the fixing component 3, the inflation device is connected to the inflation nozzle to inflate the two airbags 41. The airbags 41 expand and fill the gap between the pipeline and the inner wall of the through hole 11, thereby sealing the through hole 11 and improving the sealing performance of the civil defense door frame wall. When the pipeline needs to be repaired or replaced, the gas in the airbag 41 is released and the pipeline can be pulled out of the through hole 11. The operation is convenient.

[0031] The implementation principle of a civil air defense door frame wall protection device in an embodiment of the present application is as follows: the mounting plate 1 is connected to the steel bars of the door frame wall through the connecting component 2, so that the mounting plate 1 is pre-built on the door frame wall, and at the same time, a through hole 11 is opened on the mounting plate 1. When various pipelines are installed in the later stage, there is no need to drill holes in the door frame wall, and they can be directly passed through the through hole 11. There is no need to open separate holes in the civil air defense door frame wall. The mounting plate 1 also plays a role in reinforcing and strengthening the pipeline insertion position, thereby improving the protection performance of the civil air defense door frame wall; then the pipeline in the through hole 11 is fixed by the fixing component 3, and the through hole 11 is sealed by the sealing component 4, thereby improving the airtightness of the civil air defense door frame wall.

[0032] Finally, it should be noted that in the description of this application, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on this application.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A civil air defense door frame wall protection device, characterized in that: The invention comprises a mounting plate (1), a connecting component (2), a fixing component (3) and a sealing component (4); the mounting plate (1) is provided with a plurality of through holes (11) for passing pipelines; the connecting component (2) is arranged on the mounting plate (1), and the connecting component (2) is used to connect the mounting plate (1) and the door frame wall reinforcement; the fixing component (3) is arranged on the mounting plate (1), and the fixing component (3) is used to fix the pipeline passing through the through hole (11); the sealing component (4) is also arranged on the mounting plate (1), and the sealing component (4) is used to seal the two ends of the through hole (11).

2. The civil air defense door frame wall protection device according to claim 1 is characterized in that: The connection assembly (2) comprises a connection plate (21) and a connection rod (22); the connection plate (21) is arranged around the edges of both sides of the mounting plate (1); and a plurality of the connection rods (22) are connected and arranged between two connection plates (21).

3. The civil defense door frame wall protection device according to claim 2 is characterized in that: The fixing assembly (3) comprises a fixing plate (31), a sliding rod (32) and a pressing member. The mounting plate (1) is provided with a mounting cavity (12). The lower end of the mounting cavity (12) is communicated with the through hole (11). The sliding rod (32) is slidably arranged in the mounting cavity (12). The fixing plate (31) is arranged at the lower end of the sliding rod (32) and is located in the through hole (11). The pressing member is arranged on the mounting plate (1) and is connected to the sliding rod (32). The pressing member enables the sliding rod (32) to always have a tendency to move downward.

4. The civil defense door frame wall protection device according to claim 3 is characterized in that: The pressing member comprises a spring (33), wherein the spring (33) is arranged in the mounting cavity (12), and the two ends of the spring (33) are respectively connected to the sliding rod (32) and the mounting plate (1), and the spring (33) enables the sliding rod (32) to always have a tendency to move toward the through hole (11); the mounting plate (1) is also provided with a driving member, which is connected to the sliding rod (32) and is used to drive the sliding rod (32) to move upward along the mounting cavity (12).

5. The civil air defense door frame wall protection device according to claim 4 is characterized in that: The driving member comprises a rotating shaft (34), a gear (35) and a rack (36); a driving chamber (13) is provided in the mounting plate (1) and is connected to the mounting chamber (12); the rotating shaft (34) is rotatably arranged on the mounting plate (1); one end of the rotating shaft (34) extends into the driving chamber (13) and the other end extends outside the mounting plate (1); the gear (35) is arranged on the rotating shaft (34) and is located in the driving chamber (13); the rack (36) is arranged on a side of the sliding rod (32) facing the driving chamber (13); and the gear (35) is meshed with the rack (36).

6. The civil air defense door frame wall protection device according to claim 5, characterized in that: A knob (37) is provided at one end of the rotating shaft (34) located outside the mounting plate (1).

7. The civil air defense door frame wall protection device according to claim 3 is characterized by: The fixing plate (31) is an arc-shaped plate body that fits the inner wall of the through hole (11), and both sides of the fixing plate (31) are chamfered.

8. The civil air defense door frame wall protection device according to claim 1, characterized in that: The sealing assembly (4) comprises an airbag (41) and an air pipe (42); sealing grooves (14) are provided around the inner walls at both ends of the through hole (11); the airbags (41) are provided in the two sealing grooves (14); the two airbags (41) are connected via the air pipe (42); one end of the air pipe (42) extends to the outside of the mounting plate (1); and an inflation nozzle is provided at the end of the air pipe (42) located outside the mounting plate (1).