Impact-resistant civil air defense door

By designing a multi-level impact-resistant system in the civil air defense door, combined with structures such as hinge fixed connections and impact-resistant parts, the problem of insufficient impact resistance of existing civil air defense doors is solved, and the impact resistance and locking strength of the door are significantly improved.

CN222376330UActive Publication Date: 2025-01-21ZHEJIANG JINFENG CIVIL AIR DEFENSE EQUIP CO LTD
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Patent Information

Application Number
CN202420768766.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-01-21
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

Existing civil defense doors rely solely on buffers in terms of impact resistance, resulting in impact force covering the outer surface of the door and not obvious impact resistance.

Method used

An impact-resistant civil air defense door is designed, which is fixedly connected by the hinges of the door frame and door panel, and combined with anti-impact parts, impact plates, damping shock absorbers, return springs and other structures to form a multi-level anti-impact system.

Benefits of technology

It improves the impact resistance and locking strength of the civil air defense door, effectively reduces the impact of impact on the outer surface of the door, and significantly improves the door's protective performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-impact civil air defense door, and belongs to the field of civil air defense doors. The anti-impact civil air defense door comprises a door frame and a door plate. The door frame and the door plate are fixedly connected through hinges. The four anti-impact pieces are arranged on the door plate at equal intervals. The impact plate is mounted on the plurality of impact-resistant parts; according to the anti-impact piece, an anti-impact groove is formed in the side wall of the door plate; the connecting rod is slidably connected into the anti-impact groove. The damping shock absorber is fixedly connected to the end wall of the connecting rod; the sliding groove is formed in the door plate and communicates with the anti-impact groove. The stop lever is slidably connected into the sliding groove. The push groove is formed in the door plate and communicates with the sliding groove and the anti-impact groove. The push block is fixedly connected to the connecting rod and slidably connected into the push groove. The reset groove is formed in the side wall of the sliding groove and communicates with the sliding groove. The reset spring is fixedly connected to the side wall of the stop lever. The anti-impact civil air defense door has the beneficial effects that the anti-impact civil air defense door is provided, and the anti-impact capacity and the locking strength are good.
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Description

Technical Field

[0001] The present application relates to the field of civil defense doors, and in particular, to an impact-resistant civil 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.

[0003] The existing civil air defense doors only have a buffer component in terms of impact resistance, so that the impact force of people is buffered by soft rubber materials, and there is no certain force unloading buffer space, so that the impact force covers the outer surface of the door, and the effect is not obvious.

[0004] An impact-resistant civil defense door is now provided, which has good impact resistance and locking strength. Utility Model Content

[0005] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide an impact-resistant civil defense door, including: a door frame and a door panel;

[0007] The characteristics are: the door frame and the door panel are fixedly connected by hinges;

[0008] Impact-resistant civil defense doors also include:

[0009] Impact-resistant parts, four of which are arranged at equal intervals on the door panel;

[0010] An impact plate mounted on the plurality of impact-resistant members;

[0011] Impact-resistant parts include:

[0012] Impact-resistant grooves are provided on the side walls of the door panels;

[0013] A connecting rod, slidably connected in the impact-resistant groove;

[0014] A damping shock absorber is fixedly connected to the end wall of the connecting rod;

[0015] A slide groove, which is arranged in the door panel and communicates with the anti-impact groove;

[0016] A blocking rod, slidably connected in the slide groove;

[0017] A push groove is provided in the door panel and is connected with the slide groove and the anti-impact groove respectively;

[0018] A push block is fixedly connected to the connecting rod and slidably connected to the push groove;

[0019] A reset groove is provided on the side wall of the slide groove and is connected with the slide groove;

[0020] The return spring is fixedly connected to the side wall of the blocking rod.

[0021] Furthermore, one end of the damping shock absorber is fixedly connected to the groove wall of the anti-impact groove, the other end of the damping shock absorber is fixedly connected to the end wall of the connecting rod, and one end of the connecting rod away from the damping shock absorber extends out of the anti-impact groove.

[0022] Furthermore, the side walls of the impact plate are respectively fixedly connected to one end of a plurality of connecting rods extending out of the anti-impact groove.

[0023] Furthermore, the slide grooves are respectively located in the top wall and the bottom wall of the door panel and respectively penetrate the top wall and the bottom wall of the door panel.

[0024] Furthermore, the blocking rod is slidably connected in the sliding groove, and one end of the blocking rod away from the connecting rod is smoothly connected to the top wall or the bottom wall of the door panel.

[0025] Furthermore, a rounded corner is provided on the side wall of the blocking rod near one end of the push groove.

[0026] Furthermore, the push block is a trapezoidal block and a rounded corner is arranged on one side wall of the push block close to the slide slot, and the rounded corner side wall of the push block is in smooth contact with the rounded corner side wall of the blocking rod.

[0027] Furthermore, the return spring is arranged obliquely, one end of the return spring is fixedly connected to the groove wall of the return groove, and the other end of the return spring is fixedly connected to the side wall of the blocking rod.

[0028] Furthermore, a plurality of rubber buffer blocks are provided at equal intervals on a side wall of one end of the impact plate away from the connecting rod.

[0029] Furthermore, a door lock that is locked with the door frame is installed on the side wall of the door panel.

[0030] The beneficial effect of the present application is that it provides an impact-resistant civil defense door with good impact resistance and locking strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0032] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0033] In the attached picture:

[0034] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0035] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of closing and locking the door panel and the door frame;

[0036] Figure 3 It is a schematic cross-sectional view of a part of the embodiment, mainly showing the structure of the impact-resistant member;

[0037] Figure 4 yes Figure 3 Schematic diagram of the overall top view;

[0038] Figure 5 yes Figure 4 A magnified view of part A;

[0039] Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the impact plate structure.

[0040] Reference numerals:

[0041] 11. Door frame; 12. Door panel; 13. Impact plate; 14. Connecting rod; 15. Anti-impact groove; 16. Damping shock absorber; 17. Push groove; 18. Push block; 19. Slide groove; 20. Stop rod; 21. Reset groove; 22. Reset spring; 23. Rubber buffer block; 24. Door lock. DETAILED DESCRIPTION

[0042] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0043] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0044] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0045] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0046] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0047] Reference Figure 1-Figure 6 The impact-resistant civil defense door includes: a door frame 11, a door panel 12, an impact plate 13, a rubber buffer block 23, and a door lock 24.

[0048] The door frame 11 and the door panel 12 are fixedly connected by hinges. A door lock 24 locked with the door frame 11 is installed on the side wall of the door panel 12. A plurality of rubber buffer blocks 23 are evenly spaced on the side wall of the end of the impact plate 13 away from the connecting rod 14.

[0049] In order to improve the impact resistance of the door panel 12 , four impact-resistant parts are further provided, and the impact-resistant parts include: a connecting rod 14 , a damping shock absorber 16 , a blocking rod 20 , a push block 18 , and a return spring 22 .

[0050] The anti-impact groove 15 is provided on the side wall of the door panel 12, the connecting rod 14 is slidably connected in the anti-impact groove 15, one end of the damping shock absorber 16 is fixedly connected to the groove wall of the anti-impact groove 15, the other end of the damping shock absorber 16 is fixedly connected to the end wall of the connecting rod 14, the end of the connecting rod 14 away from the damping shock absorber 16 extends out of the anti-impact groove 15, and the side wall of the impact plate 13 is respectively fixedly connected to the ends of the connecting rods 14 extending out of the anti-impact groove 15. A sliding groove 19 is provided on the side wall of the anti-impact groove 15 and the sliding groove 19 is connected to the anti-impact groove 15, and the sliding groove 19 passes through the top wall and the bottom wall of the door panel 12 respectively, and the blocking rod 20 is slidably connected in the sliding groove 19 and the end of the blocking rod 20 away from the connecting rod 14 is smoothly connected to the top wall or the bottom wall of the door panel 12. The side wall of the slide groove 19 is provided with a push groove 17, and the push groove 17 is respectively connected with the slide groove 19 and the anti-impact groove 15. The push block 18 is fixedly connected to the connecting rod 14 and slidably connected in the push groove 17. The side wall of the stopper 20 near the push groove 17 is provided with a rounded corner. The push block 18 is a trapezoidal block and the side wall of the push block 18 near the slide groove 19 is provided with a rounded corner. The side wall of the push block 18 with the rounded corner is in smooth contact with the side wall of the stopper 20 with the rounded corner. The side wall of the slide groove 19 is provided with a symmetrical reset groove 21, and the reset groove 21 is connected with the slide groove 19. The reset spring 22 is tilted, one end of the reset spring 22 is fixedly connected with the groove wall of the reset groove 21, and the other end of the reset spring 22 is fixedly connected with the side wall of the stopper 20.

[0051] Working or installation process:

[0052] Initial state: the door panel 12 is in the open state, the stopper 20 is located in the slide slot 19, and the end wall of the stopper 20 is in smooth contact with the top wall or the bottom wall of the door panel 12 (such as Figure 1 );

[0053] When the door panel 12 needs to be closed, the door panel 12 is rotated and rotated into the door frame 11, and the door lock 24 is locked to fix the door panel 12 and the door frame 11, so that the door panel 12 cannot rotate again. At this time, the stopper 20 rotates with the door panel 12 and rotates through the door frame 11;

[0054] When the door panel 12 is closed, the door panel 12 and the impact plate 13 are impacted, and a person or an object hits the surface of the impact plate 13. The impact plate 13 is impacted and drives the four connecting rods 14 to move synchronously. The connecting rods 14 slide in the anti-impact grooves 15 and along the extension direction of the anti-impact grooves 15. The connecting rods 14 squeeze the damping shock absorber 16 and reduce the impact force on the impact plate 13 again through the elastic potential energy of the damping shock absorber 16.

[0055] When the connecting rod 14 slides in the anti-impact groove 15, the connecting rod 14 drives the push block 18 and moves with the connecting rod 14. The push block 18 moves to the side close to the slide groove 19 and makes the end of the push block 18 with a rounded corner press and contact with the end of the stop rod 20 with a rounded corner. Since the push block 18 is a trapezoidal block, the push block 18 follows the movement of the connecting rod 14 while continuously pressing the stop rod 20 to move to the side away from the connecting rod 14. The stop rod 20 is squeezed along the extension direction of the slide groove 19 by the push block 18, and the return spring 22 is pressed by the stop rod 20 and contracts, so that one end of the stop rod 20 extends out of the slide groove 19 respectively. At this time, the part of the stop rod 20 extending out of the slide groove 19 is located on one side of the door frame 11, and the part of the side wall of the stop rod 20 extending out of the slide groove 19 contacts the side wall of the door frame 11 (such as Figure 2 As shown), if someone outside wants to use violence to pull the door panel 12 and open the door panel 12 (and continuously hit the impact plate 13 at this time), it is necessary to rotate the door panel 12 and pull it out of the door frame 11. At this time, a part of the blocking rod 20 extending out of the slide slot 19 is pressed and contacted with the side wall of the door frame 11, thereby increasing the tensile strength of the door panel 12 when it is closed and preventing the door panel 12 from being opened violently.

[0056] When the impact plate 13 is no longer subjected to human impact, the damping shock absorber 16 and the return spring 22 release their own elasticity at the same time, and the damping shock absorber 16 pushes the connecting rod 14 to move to the side away from the wall of the anti-impact groove 15, so that the connecting rod 14 moves outward, and the return spring 22 releases its own elastic potential energy and restores the initial state. The stopper 20 is pulled by the return spring 22 and the stopper 20 is pulled into the slide groove 19, so that the end wall of the stopper 20 away from the connecting rod 14 is in smooth contact with the top wall or the bottom wall of the door panel 12 again, and the stopper 20 is completely located in the slide groove 19. The person in the room opens the door lock 24 and disengages the door panel 12 from the door frame 11, and pushes the door panel 12 outward, so that the door panel 12 is opened again, and the person in the room walks through the door frame 11 and walks out of the room.

[0057] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. An impact-resistant civil defense door, comprising: Door frame (11) and door panel (12); The feature is that the door frame (11) and the door panel (12) are fixedly connected via hinges; The impact-resistant civil defense door also includes: Four impact-resistant parts are provided and are arranged on the door panel (12) at equal intervals; An impact plate (13) mounted on the plurality of impact-resistant parts; The impact-resistant member comprises: An impact-resistant groove (15) is provided on the side wall of the door panel (12); A connecting rod (14) slidably connected in the anti-shock groove (15); A damping shock absorber (16) fixedly connected to the end wall of the connecting rod (14); A slide groove (19) is provided in the door panel (12) and is connected to the anti-impact groove (15); A blocking rod (20) slidably connected in the sliding groove (19); A push groove (17) is provided in the door panel (12) and is respectively connected with the slide groove (19) and the anti-impact groove (15); A push block (18) is fixedly connected to the connecting rod (14) and slidably connected to the push groove (17); A reset groove (21), which is arranged on the side wall of the slide groove (19) and is in communication with the slide groove (19); A return spring (22) is fixedly connected to the side wall of the blocking rod (20).

2. The impact-resistant civil defense door according to claim 1 is characterized in that: One end of the damping shock absorber (16) is fixedly connected to the groove wall of the anti-impact groove (15), and the other end of the damping shock absorber (16) is fixedly connected to the end wall of the connecting rod (14), and one end of the connecting rod (14) away from the damping shock absorber (16) extends out of the anti-impact groove (15).

3. The impact-resistant civil defense door according to claim 2 is characterized in that: The side walls of the impact plate (13) are respectively fixedly connected to one end of a plurality of connecting rods (14) extending outside the impact-resistant groove (15).

4. The impact-resistant civil defense door according to claim 1 is characterized in that: The slide groove (19) is respectively located in the top wall of the door panel (12) and the bottom wall of the door panel (12) and respectively penetrates the top wall and the bottom wall of the door panel (12).

5. The impact-resistant civil defense door according to claim 1 is characterized in that: The blocking rod (20) is slidably connected in the sliding groove (19), and one end of the blocking rod (20) away from the connecting rod (14) is smoothly connected to the top wall or the bottom wall of the door panel (12).

6. The impact-resistant civil defense door according to claim 5, characterized in that: A rounded corner is provided on the side wall of the blocking rod (20) close to one end of the pushing groove (17).

7. The impact-resistant civil defense door according to claim 6, characterized in that: The push block (18) is a trapezoidal block and a rounded corner is provided on one end side wall of the push block (18) close to the slide groove (19); the rounded corner side wall of the push block (18) is in smooth contact with the rounded corner side wall of the blocking rod (20).

8. The impact-resistant civil defense door according to claim 1, characterized in that: The return spring (22) is arranged obliquely, one end of the return spring (22) is fixedly connected to the groove wall of the return groove (21), and the other end of the return spring (22) is fixedly connected to the side wall of the blocking rod (20).

9. The impact-resistant civil defense door according to claim 1, characterized in that: A plurality of rubber buffer blocks (23) are arranged at equal intervals on a side wall of one end of the impact plate (13) away from the connecting rod (14).

10. The impact-resistant civil defense door according to claim 1, characterized in that: A door lock (24) is installed on the side wall of the door panel (12) and is locked with the door frame (11).