Normal-time fixing device for civil air defense door

By designing a civil defense door fixing device including hinge connection, rectangular block, rectangular seat and limiting rod, the problem of troubles in fixing the civil defense door and inconvenient removal of the wedge plate in the prior art is solved, and the effect of rapid fixing and unlocking is achieved, and the civil defense door is effectively prevented from sinking.

CN222558412UActive Publication Date: 2025-03-04HUADI ENGINEERING DESIGN (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202421300549.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-04
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing human security door fixing device is troublesome to operate and the wedge plate is inconvenient to remove.

Method used

A fixing device including a hinge connection between the wall and the civil defense door, a rectangular block, a rectangular seat, a slider, a slider, a telescopic rod, a spring, a rectangular plate and a limiting rod are designed. By pushing the rectangular plate, the slider moves upward along the slider, the limiting rod is aligned with the circular groove, and the spring pushes it downward after the rectangular plate is released, and the limiting rod is inserted into the circular groove to fix the civil defense door.

Benefits of technology

It realizes quick fixing and unlocking of the civil defense door, which is simple to operate and effectively prevents the civil defense door from sinking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a civil air defense door ordinary-time fixing device. The civil air defense door usual fixing device comprises a wall body and a civil air defense door, the wall body and the civil air defense door are connected through hinges, a rectangular block is fixedly installed on the side wall of the wall body, a circular groove is formed in the top of the rectangular block, a rectangular seat is installed on the side wall of the civil air defense door, and a sliding groove is formed in the side wall of the rectangular seat. According to the civil air defense door usual fixing device, a second rectangular plate is pushed to enable a sliding block to move upwards along a sliding groove, when the bottom of a limiting rod is higher than the top of the rectangular block, the civil air defense door is close to the rectangular block to enable the limiting rod to be aligned with a circular groove, then the second rectangular plate is loosened, and a spring automatically pushes the second rectangular plate to move downwards; through the interaction of the components, the civil air defense door can be quickly fixed, and locking can be canceled through simple reverse operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of civil defense protection devices, in particular to a civil defense door normal fixing device. Background Art

[0002] Civil defense is also known as civil defense. Civil defense is an internationally accepted term. It refers to the activities of the government mobilizing and organizing the masses to take anti-air raid, disaster prevention and relief measures, implement rescue operations, and prevent and reduce the harm of disasters. Civil defense doors belong to civil defense protection equipment.

[0003] The civil air defense door is usually in an open state, so it needs to be fixed to restrict its random movement. The existing restriction on the civil air defense door is usually to knock a wedge plate into the gap between the civil air defense door and the ground. This process is particularly laborious and it is inconvenient to remove the wedge plate.

[0004] Therefore, it is necessary to provide a normal fixing device for civil air defense doors to solve the above technical problems. Utility Model Content

[0005] The utility model provides a normal fixing device for a civil air defense door, which solves the problems that the existing restriction process for the civil air defense door is troublesome and it is inconvenient to take out the wedge plate.

[0006] In order to solve the above technical problems, the utility model provides a normal fixing device for a civil air defense door, comprising: a wall and a civil air defense door, the wall and the civil air defense door are connected by a hinge, the side wall of the wall is fixedly installed with a rectangular block, the top of the rectangular block is provided with a circular groove, the side wall of the civil air defense door is installed with a rectangular seat, the side wall of the rectangular seat is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a slider, a telescopic rod is fixedly installed between the top of the slider and the inner top of the sliding groove, the outside of the telescopic rod is sleeved with a spring, a rectangular plate 2 is installed on the outer wall of the slider, a limiting rod is installed at the bottom of the rectangular plate 2, the limiting rod is plugged and connected with the circular groove, a rectangular plate 1 is installed on the side wall of the bottom of the wall close to one side of the civil air defense door, the side wall of the rectangular plate 1 is provided with a limiting groove, the inner wall of the limiting groove is plugged and connected with the limiting block, a bearing plate is installed on the top of the limiting block, the top of one end of the bearing plate is in contact with the bottom of the civil air defense door, and a limiting component is installed between one side wall of the rectangular plate and the outer wall of the limiting block.

[0007] Preferably, the limiting assembly comprises a limiting plate, a rotating shaft, a torsion spring and a stop block, the rotating shaft is fixedly connected to the side wall of rectangular plate 1, the limiting plate is rotatably connected to the rotating shaft, and the limiting plate is in close contact with the outer wall of the limiting block.

[0008] Preferably, the torsion spring is installed between the rotating shaft and the limiting plate, and the stop block is fixedly connected to the side wall of the rectangular plate.

[0009] Preferably, a baffle is fixedly mounted on the side wall of one end of the bearing plate, and the baffle is in close contact with the side wall of the civil air defense door.

[0010] Preferably, the side walls of the rectangular seat are evenly installed with several groups of mounting plates 1, and the side walls of the rectangular block are evenly installed with several groups of mounting plates 2, and the mounting plates 1 and 2 are respectively fixedly connected to the side walls of the civil defense door and the side walls of the wall.

[0011] Preferably, a first handle is installed on the top of the second rectangular plate, and a second handle is installed on the top of the supporting plate.

[0012] Compared with the related art, the civil air defense door fixing device provided by the utility model has the following beneficial effects:

[0013] The utility model provides a fixing device for a civil air defense door at ordinary times. The sliding block moves upward along the sliding groove by pushing the second rectangular plate. When the bottom of the limiting rod is higher than the top of the rectangular block, the civil air defense door is brought close to the rectangular block so that the limiting rod is aligned with the circular groove. Then the second rectangular plate is released, and the spring automatically pushes the second rectangular plate to move downward until the limiting rod is inserted into the circular groove. Through the interaction of the above components, the civil air defense door can be quickly fixed, and the locking can be canceled by simply performing the reverse operation.

[0014] By inserting the bearing plate with the limiting block installed into the limiting groove, the bearing plate supports the bottom of the civil air defense door, effectively preventing the civil air defense door from sinking as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of the daily fixing device for civil air defense doors provided by the utility model;

[0016] Figure 2 for Figure 1 The structural schematic diagram of the civil air defense door structure shown;

[0017] Figure 3 for Figure 1 The structural schematic diagram of the limit block structure shown;

[0018] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown;

[0019] Figure 5 for Figure 3 An enlarged schematic diagram of part B is shown.

[0020] Numbers in the figure: 1. wall, 2. civil air defense door, 3. rectangular block, 4. handle 1, 5. rectangular seat, 6. mounting plate 1, 7. baffle, 8. load-bearing plate, 9. rectangular plate 1, 10. limit assembly, 101. limit plate, 102. rotating shaft, 103. torsion spring, 104. block, 11. handle 2, 12. limit rod, 13. mounting plate 2, 14. rectangular plate 2, 15. hinge, 16. slide groove, 17. spring, 18. limit block, 19. limit groove, 20. telescopic rod, 21. slider, 22. circular groove. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the daily fixing device for civil air defense doors provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the civil air defense door structure shown; Figure 3 for Figure 1 The structural schematic diagram of the limit block structure shown;

[0023] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 5 for Figure 3 The enlarged schematic diagram of part B is shown. The normal fixing device of the civil air defense door includes: a wall 1 and a civil air defense door 2, the wall 1 and the civil air defense door 2 are connected by a hinge 15, a rectangular block 3 is fixedly installed on the side wall of the wall 1, a circular groove 22 is provided on the top of the rectangular block 3, and the circular groove 22 penetrates the rectangular block 3, a rectangular seat 5 is installed on the side wall of the civil air defense door 2, a slide groove 16 is provided on the side wall of the rectangular seat 5, a slider 21 is slidably connected to the inner wall of the slide groove 16, a telescopic rod 20 is fixedly installed between the top of the slider 21 and the inner top of the slide groove 16, and the outer part of the telescopic rod 20 is sleeved with a spring 17, A rectangular plate 14 is installed on the outer wall of the slider 21, and a limiting rod 12 is installed on the bottom of the rectangular plate 14. The limiting rod 12 is plugged into the circular groove 22. A rectangular plate 9 is installed on the side wall of the bottom of the wall 1 close to the side of the civil defense door 2. A limiting groove 19 is provided on the side wall of the rectangular plate 9. The inner wall of the limiting groove 19 is plugged into a limiting block 18. A bearing plate 8 is installed on the top of the limiting block 18. The top of one end of the bearing plate 8 is in contact with the bottom of the civil defense door 2. A limiting component 10 is installed between the side wall of the rectangular plate 9 and the outer wall of the limiting block 18.

[0024] The limiting assembly 10 includes a limiting plate 101, a rotating shaft 102, a torsion spring 103 and a stopper 104. The rotating shaft 102 is fixedly connected to the side wall of the rectangular plate 9, the limiting plate 101 is rotatably connected to the rotating shaft 102, and the limiting plate 101 is in contact with the outer wall of the limiting block 18.

[0025] The torsion spring 103 is installed between the rotating shaft 102 and the limit plate 101, and the stop block 104 is fixedly connected to the side wall of the rectangular plate 9. The setting of the torsion spring 103 facilitates the automatic reset of the limit plate 101 after rotation, and the setting of the stop block 104 facilitates the limit plate 101 not to be overturned when resetting.

[0026] One end side wall of the bearing plate 8 is fixedly mounted

[0027] A baffle plate 7 is provided, and the baffle plate 7 is in close contact with the side wall of the civil air defense door 2. The setting of the baffle plate 7 further strengthens the restriction on the civil air defense door.

[0028] The side walls of the rectangular seat 5 are evenly installed with several groups of mounting plates 1 6, and the side walls of the rectangular block 3 are evenly installed with several groups of mounting plates 2 13. The mounting plates 1 6 and 13 are fixedly connected to the side walls of the civil defense door 2 and the side walls of the wall 1 respectively.

[0029] A handle 1 4 is installed on the top of the rectangular plate 2 14 , and a handle 2 11 is installed on the top of the supporting plate 8 .

[0030] The working principle of the normal fixing device for the civil air defense door provided by the utility model is as follows: in order to fix the civil air defense door 2 in the open state, first push the rectangular plate 2 14 upward along the slide groove 16 through the slider 21, and when the bottom of the limiting rod 12 is higher than the top of the rectangular block 3, move the civil air defense door 2 close to the rectangular block 3 so that the limiting rod 12 is aligned with the circular groove 22, and then release the rectangular plate 2 14, and the spring 17 automatically pushes the rectangular plate 2 14 to move downward until the limiting rod 12 is inserted into the circular groove 22, and then open the limiting assembly 10 to insert the supporting plate 8 installed with the limiting block 18 into the limiting groove 19, so that the supporting plate 8 supports the bottom of the civil air defense door 2.

[0031] Compared with the related art, the civil air defense door fixing device provided by the utility model has the following beneficial effects:

[0032] By pushing the rectangular plate 2 14, the slider 21 moves upward along the slide groove 16. When the bottom of the limit rod 12 is higher than the top of the rectangular block 3, the civil air defense door 2 is brought close to the rectangular block 3 so that the limit rod 12 is aligned with the circular groove 22. Then, the rectangular plate 2 14 is released, and the spring 17 automatically pushes the rectangular plate 2 14 to move downward until the limit rod 12 is inserted into the circular groove 22. Through the interaction of the above components, the civil air defense door 2 can be quickly fixed, and the unlocking can be canceled by simply reversing the operation.

[0033] By inserting the bearing plate 8 equipped with the limiting block 18 into the limiting groove 19, the bearing plate 8 supports the bottom of the civil air defense door 2, thereby effectively preventing the civil air defense door from sinking as a whole.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A normal fixing device for civil air defense door, characterized in that: include: The wall and the civil defense door are connected by a hinge, and the side wall of the wall is fixedly installed with a rectangular block, the top of the rectangular block is provided with a circular groove, the side wall of the civil defense door is installed with a rectangular seat, the side wall of the rectangular seat is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding block, a telescopic rod is fixedly installed between the top of the sliding block and the inner top of the sliding groove, the outside of the telescopic rod is sleeved with a spring, and a rectangular plate 2 is installed on the outer wall of the sliding block, and a limiting rod is installed at the bottom of the rectangular plate 2, and the limiting rod is plugged into the circular groove; a rectangular plate 1 is installed on the side wall of the bottom of the wall near one side of the civil defense door, and a limiting groove is provided on the side wall of the rectangular plate 1, and the inner wall of the limiting groove is plugged into the limiting block, and a bearing plate is installed on the top of the limiting block, and the top of one end of the bearing plate is in contact with the bottom of the civil defense door, and a limiting assembly is installed between one side wall of the rectangular plate and the outer wall of the limiting block.

2. The civil air defense door fixing device according to claim 1 is characterized in that: The limiting assembly includes a limiting plate, a rotating shaft, a torsion spring and a stopper. The rotating shaft is fixedly connected to the side wall of the rectangular plate 1, the limiting plate is rotatably connected to the rotating shaft, and the limiting plate is in close contact with the outer wall of the limiting block.

3. The civil air defense door fixing device according to claim 2 is characterized in that: The torsion spring is installed between the rotating shaft and the limiting plate, and the stop block is fixedly connected to the side wall of the rectangular plate.

4. The civil air defense door fixing device according to claim 1 is characterized in that: A baffle is fixedly mounted on a side wall at one end of the bearing plate, and the baffle is in close contact with the side wall of the civil air defense door.

5. The civil air defense door fixing device according to claim 1, characterized in that: The side walls of the rectangular seat are evenly installed with several groups of mounting plates 1, and the side walls of the rectangular block are evenly installed with several groups of mounting plates 2. The mounting plates 1 and 2 are fixedly connected to the side walls of the civil air defense door and the side walls of the wall respectively.

6. The civil air defense door fixing device according to claim 1, characterized in that: A first handle is installed on the top of the second rectangular plate, and a second handle is installed on the top of the supporting plate.