Hidden civil air defense door
By introducing multiple buffer chutes and spring systems into the hidden civil defense door, the problem of lack of buffer design in the prior art is solved, impact cushioning is realized, preventing the civil defense door from deforming and jamming, and reducing maintenance costs.
Patent Information
- Application Number
- CN202323394886.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-13
AI Technical Summary
The existing hidden doors lack cushioning design in the face of impact, resulting in deformation, jamming and damage to articulated components, increasing maintenance costs.
A hidden civil defense door structure including a positioning frame, sliding cover plate, fixed block, moving block, buffer block, buffer spring and return spring is designed. The impact force is buffered through multiple buffer chutes and spring systems to prevent the deformation of the civil defense door. and stuck.
Effectively buffer impact force, prevent the deformation and jamming of the civil defense door, protect the articulated parts, and reduce maintenance costs.
Smart Images
Figure CN222253710U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil air defense doors, in particular to a hidden 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. Civil defense, also known as civil defense, is an activity in which the government mobilizes and organizes the masses to take anti-air raid, disaster resistance and relief measures, implement rescue operations, and prevent and reduce the hazards of disasters. Civil defense doors belong to civil defense protection equipment.
[0003] The existing hidden civil air defense doors do not have a buffer design. When facing an impact, the impact force will cause the hidden civil air defense door to deform, causing the door to get stuck and unable to open. At the same time, it will also damage some hinged parts, affecting its use and increasing maintenance costs. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a hidden civil air defense door capable of buffering impact force.
[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a hidden civil defense door, including a civil defense door body, a positioning frame is provided on the civil defense door body, a positioning cover plate is slidably provided on the positioning frame, a fixed block is provided on the civil defense door body, a moving block is slidably provided on the fixed block, the moving block is connected to the positioning cover plate, connecting blocks are provided on both sides of the moving block, a connecting arm is rotatably provided on the connecting block, a buffer block is provided on the civil defense door body, the buffer blocks are symmetrically arranged on both sides of the moving block, a buffer slide groove is provided on the buffer block, a buffer slider is slidably provided in the buffer slide groove, a matching block is provided on the buffer slider, the matching block is rotatably connected to the connecting arm, a buffer spring is provided on the side of the buffer slider away from the moving block, and one end of the buffer spring is connected to the buffer block.
[0006] As an improvement, a positioning sleeve is provided on the buffer block, and the positioning sleeve is arranged corresponding to the buffer spring.
[0007] As an improvement, a telescopic column is provided on the buffer block, a telescopic tube is slidably provided on the telescopic column, and one end of the telescopic tube is connected to the buffer sliding block.
[0008] As an improvement, fixed slide rails are provided on both sides of the fixed block, and a fixed slider is provided on the moving block. The fixed slider is symmetrically arranged on the inner side of the moving block, and the fixed slider is slidably connected to the fixed slide rails.
[0009] As an improvement, a return spring is provided on the fixed block, and one end of the return spring is connected to the moving block.
[0010] As an improvement, a positioning tube is provided on the civil defense door body, and the positioning tube is arranged at the four corners of the civil defense door body. A sliding column is slidably provided in the positioning tube, and one end of the sliding column extends out of the positioning tube and is connected to the positioning cover plate. A support spring is provided in the positioning tube, and one end of the support spring is connected to the sliding column.
[0011] As an improvement, the positioning cover plate is provided with anti-collision blocks, and multiple groups of anti-collision blocks are arranged along the edge of the positioning cover plate.
[0012] The advantages of the utility model compared with the prior art are:
[0013] 1. The impact force is transmitted to the moving block through the positioning cover plate. The moving block transmits the impact to the buffer spring through the connecting arm and the buffer slider. The buffer spring buffers the impact to avoid deformation of the hidden civil air defense door body caused by the impact force, prevents the civil air defense door body from getting stuck and unable to open, protects the hinged parts, facilitates use and saves maintenance costs.
[0014] 2. The reset spring and the support spring buffer the impact force, reduce the impact force transmitted to the civil air defense door body, and improve the protection capability of the civil air defense door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of a hidden civil defense door of the utility model. Figure 1 .
[0016] Figure 2 This is a schematic diagram of the structure of a hidden civil defense door of the utility model. Figure 2 .
[0017] Figure 3 This is a schematic diagram of the structure of a hidden civil defense door of the utility model. Figure 3 .
[0018] Figure 4 This is a schematic diagram of the structure of a hidden civil defense door of the utility model. Figure 4 .
[0019] Figure 5 It is an enlarged view of part A of a hidden civil air defense door of the utility model.
[0020] Figure 6 It is an enlarged view of part B of a hidden civil air defense door of the utility model.
[0021] As shown in the figure: 1. Civil air defense door body; 2. Positioning frame; 3. Positioning cover; 4. Fixed block; 5. Fixed slide rail; 6. Fixed slider; 7. Moving block; 8. Reset spring; 9. Connecting block; 10. Connecting arm; 11. Buffer block; 12. Buffer slider; 13. Matching block; 14. Buffer spring; 15. Positioning sleeve; 16. Telescopic column; 17. Telescopic tube; 18. Sliding column; 19. Positioning tube; 20. Support spring; 21. Anti-collision block; 22. Buffer slide. DETAILED DESCRIPTION
[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc., etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features limited to "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] Combined with Figure 1 To Attachment Figure 6A hidden civil air defense door comprises a civil air defense door body 1, a positioning frame 2 is arranged on the civil air defense door body 1, a positioning cover plate 3 is slidably arranged on the positioning frame 2, an anti-collision block 21 is arranged on the positioning cover plate 3, and a plurality of anti-collision blocks 21 are arranged along the edge of the positioning cover plate 3, a fixed block 4 is arranged on the civil air defense door body 1, a moving block 7 is slidably arranged on the fixed block 4, fixed slide rails 5 are arranged on both sides of the fixed block 4, a fixed slider 6 is arranged on the moving block 7, the fixed slider 6 is symmetrically arranged on the inner side of the moving block 7, the fixed slider 6 is slidably connected to the fixed slide rail 5, a reset spring 8 is arranged on the fixed block 4, one end of the reset spring 8 is connected to the moving block 7, the moving block 7 is connected to the positioning cover plate 3, and connecting blocks 9 are arranged on both sides of the moving block 7, and the connecting blocks 9 is rotatably provided with a connecting arm 10, and a buffer block 11 is provided on the civil defense door body 1, and the buffer blocks 11 are symmetrically arranged on both sides of the moving block 7. A buffer slide 22 is provided on the buffer block 11, and a buffer slider 12 is slidably provided in the buffer slide 22. A matching block 13 is provided on the buffer slider 12, and the matching block 13 is rotatably connected to the connecting arm 10. A buffer spring 14 is provided on the side of the buffer slider 12 away from the moving block 7, and one end of the buffer spring 14 is connected to the buffer block 11. A positioning sleeve 15 is provided on the buffer block 11, and the positioning sleeve 15 is correspondingly arranged with the buffer spring 14. A telescopic column 16 is provided on the buffer block 11, and a telescopic tube 17 is slidably provided on the telescopic column 16, and one end of the telescopic tube 17 is connected to the buffer slider 12.
[0027] Combined with Figure 1 To Attachment Figure 4 A positioning tube 19 is provided on the civil air defense door body 1, and the positioning tube 19 is arranged at the four corners of the civil air defense door body 1. A sliding column 18 is slidably provided in the positioning tube 19, and one end of the sliding column 18 extends out of the positioning tube 19 and is connected to the positioning cover plate 3. A support spring 20 is provided in the positioning tube 19, and one end of the support spring 20 is connected to the sliding column 18.
[0028] During the specific implementation of the utility model, after the impact force contacts the positioning cover plate 3, the impact force is transmitted to the moving block 7 through the positioning cover plate 3, the moving block 7 and the fixed block 4 slide relative to each other, the moving block 7 squeezes the reset spring 8, and the reset spring 8 contracts to buffer the impact force. At the same time, the moving block 7 drives the matching block 13 to move through the connecting arm 10, the buffer slide block 12 moves along the buffer slide groove 22, the buffer slide block 12 squeezes the buffer spring 14, and the buffer spring 14 contracts to buffer the impact force. At this time, the positioning cover plate 3 drives the sliding column 18 to slide along the positioning tube 19, the sliding column 18 squeezes the supporting spring 20, and the supporting spring 20 contracts under the force to buffer the impact force. Under multiple actions, the deformation of the hidden civil defense door caused by the impact force is avoided, the civil defense door is prevented from being stuck and unable to be opened, the hinged components are protected, and maintenance costs are saved while being easy to use.
[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it 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 protection scope of the utility model.
Claims
1. A hidden civil air defense door, comprising a civil air defense door body (1), characterized in that: The civil air defense door body (1) is provided with a positioning frame (2), a positioning cover plate (3) is slidably provided on the positioning frame (2), a fixed block (4) is provided on the civil air defense door body (1), a moving block (7) is slidably provided on the fixed block (4), the moving block (7) is connected to the positioning cover plate (3), connecting blocks (9) are provided on both sides of the moving block (7), a connecting arm (10) is rotatably provided on the connecting block (9), a buffer block (11) is provided on the civil air defense door body (1), the buffer blocks (11) are symmetrically arranged on both sides of the moving block (7), a buffer slide groove (22) is provided on the buffer block (11), a buffer slide block (12) is slidably provided in the buffer slide groove (22), a matching block (13) is provided on the buffer slide block (12), the matching block (13) is rotatably connected to the connecting arm (10), a buffer spring (14) is provided on the side of the buffer slide block (12) away from the moving block (7), and one end of the buffer spring (14) is connected to the buffer block (11).
2. A hidden civil defense door according to claim 1, characterized in that: The buffer block (11) is provided with a positioning sleeve (15), and the positioning sleeve (15) is arranged correspondingly to the buffer spring (14).
3. A hidden civil defense door according to claim 1, characterized in that: The buffer block (11) is provided with a telescopic column (16), a telescopic tube (17) is slidably provided on the telescopic column (16), and one end of the telescopic tube (17) is connected to the buffer sliding block (12).
4. The hidden civil defense door according to claim 1, characterized in that: Fixed slide rails (5) are provided on both sides of the fixed block (4), and a fixed slider (6) is provided on the movable block (7). The fixed slider (6) is symmetrically arranged on the inner side of the movable block (7), and the fixed slider (6) is slidably connected to the fixed slide rails (5).
5. The hidden civil defense door according to claim 1, characterized in that: The fixed block (4) is provided with a return spring (8), and one end of the return spring (8) is connected to the moving block (7).
6. The hidden civil defense door according to claim 1, characterized in that: The civil air defense door body (1) is provided with a positioning tube (19), which is arranged at the four corners of the civil air defense door body (1). A sliding column (18) is slidably arranged in the positioning tube (19), and one end of the sliding column (18) extends out of the positioning tube (19) and is connected to the positioning cover plate (3). A supporting spring (20) is provided in the positioning tube (19), and one end of the supporting spring (20) is connected to the sliding column (18).
7. A hidden civil defense door according to claim 6, characterized in that: The positioning cover plate (3) is provided with anti-collision blocks (21), and multiple groups of anti-collision blocks (21) are arranged along the edge of the positioning cover plate (3).