High anti-seismic civil air defense door

Abstract

The utility model discloses a high anti-seismic civil air defense door, which relates to the technical field of civil air defense doors and comprises a door frame, an anti-seismic seat is arranged on the inner side wall of the door frame, a sliding groove is formed in the side wall of the anti-seismic seat, a push block is arranged in the anti-seismic seat, four damper bodies are arranged at one end, far away from a civil air defense door body, of the push block, and second springs are arranged on the side walls of the damper bodies. A first fixing plate is arranged at the end, away from the push block, of the damper body, the first fixing plate is fixedly connected with the anti-seismic base through bolts, and a second fixing plate is fixedly connected to the side wall, adjacent to the door frame, of the anti-seismic base. And then the damper body converts the energy into heat energy and dissipates the heat energy, so that the shock resistance of the civil air defense door body is effectively improved, the number of parts is small, installation is convenient and fast, the impact force of the contact face of the civil air defense door and the door frame is absorbed through the first spring, and the door frame is prevented from being damaged by the impact force borne by the civil air defense door.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a highly earthquake-resistant civil air defense door. Background Art

[0002] Civil air defense projects are underground protective buildings built separately to ensure the sheltering 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. Civil air defense doors are doors at the entrances and exits of civil air defense projects and are civil defense protection equipment.

[0003] Chinese patent document CN218324604U discloses a highly earthquake-resistant civil air defense door, comprising a door frame and a civil air defense door body rotatably connected to the door frame, a first buffer strip being arranged on the front side surface of the door frame, a second buffer strip being arranged on the side surface of the civil air defense door body, a built-in door panel being fixedly installed on the front side surface of the civil air defense door body, the built-in door panel being plugged into and matched with the door frame, two upper and lower earthquake-resistant devices which are symmetrical and used for earthquake-resistant buffering protection being fixedly installed on the inner walls on both sides of the left and right sides of the door frame, the earthquake-resistant device comprising a base fixedly installed on the inner wall of the door frame, a support sleeve being fixedly installed on the base, two mutually symmetrical guide sleeves being fixedly installed on the inner wall of the support sleeve, a spring being sleeved on the guide sleeve, a guide component being arranged on the guide sleeve, the guide component comprising a guide column arranged in the guide sleeve and slidably connected between the guide sleeve, a screw being fixedly installed on the front end of the guide column, a cover plate being sleeved on the two guide columns, and a sleeve box being also sleeved on the two guide columns. The above-mentioned highly earthquake-resistant civil defense door has shortcomings. Although the device can achieve earthquake resistance for the civil defense door, it has limitations. There are many earthquake-resistant components in the device, which is not convenient for quick installation and the installation is relatively cumbersome. Secondly, there are no earthquake-resistant components on the contact surface between the civil defense door and the door frame, which can easily cause damage to the door frame due to the impact force applied to the civil defense door.

[0004] Therefore, in order to solve such problems, we proposed a highly earthquake-resistant civil defense door. Summary of the invention

[0005] The purpose of the utility model is to provide a highly earthquake-resistant civil air defense door, aiming to solve the problem in the above-mentioned background technology that the existing highly earthquake-resistant civil air defense door has many earthquake-resistant components during use, is complicated to install, and is easily damaged by the impact force applied to the civil air defense door, causing damage to the door frame.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a highly earthquake-resistant civil defense door, comprising a door frame, a first connecting seat is provided on the inner side wall of the door frame, a civil defense door body is provided inside the door frame, a second connecting seat is fixedly connected to the side wall of the civil defense door body, the second connecting seat is rotatably connected to the first connecting seat, an earthquake-resistant seat is provided on the inner side wall of the door frame, a sliding groove is provided on the side wall of the earthquake-resistant seat, a push block is provided inside the earthquake-resistant seat, the push block is slidingly connected to the sliding groove, four damper bodies are provided on the end of the push block away from the civil defense door body, second springs are provided on the side walls of the damper bodies, a first fixed plate is provided on the end of the damper body away from the push block, the first fixed plate is fixedly connected to the earthquake-resistant seat by bolts, the earthquake-resistant seat is fixedly connected to the side wall adjacent to the door frame by a second fixed plate, and the second fixed plate is fixedly connected to the door frame by bolts.

[0007] Preferably, a first mounting groove is opened on the inner side wall of the door frame, a shock absorbing plate is arranged inside the door frame, the shock absorbing plate is located in the first mounting groove, a second mounting groove is opened on the upper end of the shock absorbing plate, a first spring is arranged inside the shock absorbing plate, and the first spring is located in the second mounting groove.

[0008] Preferably, one end of the anti-seismic seat away from the civil air defense door body is fixedly connected to a third fixing plate by bolts, and the third fixing plate is fixedly connected to the side wall of the door frame by bolts.

[0009] Preferably, a rubber plate is fixedly connected to one end of the push block close to the civil air defense door body.

[0010] Preferably, the side wall of the shock absorbing plate is fixedly connected to the limiting frame.

[0011] Preferably, the shock-absorbing plate is in the shape of a right-angled trapezoid, and the inclined surface of the shock-absorbing plate is located at one end close to the civil defense door body.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, an anti-seismic seat, a push block, a damper body, a second spring and a first fixed plate are provided. The second spring is used to absorb the energy of impact and vibration, and then the damper body converts the energy into heat energy and dissipates it, thereby effectively improving the anti-seismic property of the civil air defense door body. The structure is simple, the number of parts is small, and the installation is convenient. Secondly, a shock-absorbing plate, a second installation groove, a first spring and a limit frame are provided. The first spring is used to absorb the impact force of the contact surface between the civil air defense door and the door frame, thereby avoiding damage to the door frame due to the impact force applied to the civil air defense door, and further increasing the anti-seismic effect of the civil air defense door. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of a highly earthquake-resistant civil air defense door proposed by the utility model Figure 1 ;

[0015] Figure 2A three-dimensional schematic diagram of a highly earthquake-resistant civil air defense door proposed by the utility model Figure 2 ;

[0016] Figure 3 This is a three-dimensional explosion diagram of a door frame of a highly earthquake-resistant civil air defense door proposed by the utility model;

[0017] Figure 4 The utility model is a three-dimensional explosion schematic diagram of a seismic seat in a highly seismic-resistant civil air defense door.

[0018] Legend:

[0019] 1. Door frame; 101. First mounting groove; 11. First connecting seat; 12. Shock-absorbing plate; 121. Second mounting groove; 122. First spring; 123. Limit frame; 2. Civil air defense door body; 21. Second connecting seat; 3. Anti-seismic seat; 31. Slide groove; 32. Push block; 321. Rubber plate; 33. Damper body; 34. Second spring; 35. First fixing plate; 36. Second fixing plate; 37. Third fixing plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Reference Figure 1-4, the utility model provides an embodiment: a highly earthquake-resistant civil air defense door, comprising a door frame 1, a first connecting seat 11 is provided on the inner side wall of the door frame 1, a civil air defense door body 2 is provided inside the door frame 1, a second connecting seat 21 is fixedly connected to the side wall of the civil air defense door body 2, the second connecting seat 21 is rotatably connected to the first connecting seat 11, an earthquake-resistant seat 3 is provided on the inner side wall of the door frame 1, a sliding groove 31 is provided on the side wall of the earthquake-resistant seat 3, a push block 32 is provided inside the earthquake-resistant seat 3, the push block 32 is slidably connected to the sliding groove 31, four damper bodies 33 are provided on the end of the push block 32 away from the civil air defense door body 2, and second springs 34 are provided on the side walls of the damper bodies 33, and a first fixed plate 35 is provided on the end of the damper body 33 away from the push block 32, the first fixed plate 35 is fixedly connected to the earthquake-resistant seat 3 by bolts, the earthquake-resistant seat 3 is fixedly connected to the side wall adjacent to the door frame 1 by a second fixed plate 36, and the second fixed plate 36 is fixedly connected to the door frame 1 by bolts.

[0023] In this arrangement, when the civil defense door body 2 is impacted, the civil defense door body 2 applies an impact force to the push block 32, and then the push block 32 squeezes the second spring 34 and the damper body 33. The second spring 34 first absorbs the energy of the impact or vibration, and then the damper body 33 converts the energy into heat energy and dissipates it, thereby effectively improving the seismic resistance of the civil defense door body 2.

[0024] A first mounting groove 101 is provided on the inner wall of the door frame 1, and a shock-absorbing plate 12 is arranged inside the door frame 1. The shock-absorbing plate 12 is located in the first mounting groove 101. A second mounting groove 121 is provided on the upper end of the shock-absorbing plate 12. A first spring 122 is arranged inside the shock-absorbing plate 12. The first spring 122 is located in the second mounting groove 121. The first springs 122 are used to buffer the impact on the side wall of the civil defense door body 2 by using a plurality of first springs 122, thereby implementing multiple buffering of the impact on the civil defense door body 2 and improving the shock resistance.

[0025] One end of the anti-seismic seat 3 away from the civil defense door body 2 is fixedly connected to a third fixing plate 37 by bolts, and the third fixing plate 37 is fixedly connected to the side wall of the door frame 1 by bolts, so as to utilize the third fixing plate 37 to perform secondary fixation on the anti-seismic seat 3 to increase the stability of the anti-seismic seat 3.

[0026] A rubber plate 321 is fixedly connected to one end of the push block 32 close to the civil air defense door body 2 , and is used to utilize the rubber plate 321 for the first buffering to increase the absorption capacity of the impact force received by the civil air defense door body 2 .

[0027] The side wall of the shock absorbing plate 12 is fixedly connected to a limiting frame 123 for limiting the shock absorbing plate 12 to prevent the shock absorbing plate 12 from directly sliding out of the first installation slot 101 , thereby increasing the stability of the shock absorbing plate 12 .

[0028] The shock-absorbing plate 12 is in the shape of a right-angled trapezoid, and the inclined surface of the shock-absorbing plate 12 is located at one end close to the civil defense door body 2, which is used to facilitate the closing of the civil defense door body 2 and increase the convenience of operation.

[0029] Working principle: First, when the civil defense door body 2 is impacted, the civil defense door body 2 applies an impact force to the push block 32, and then the push block 32 squeezes the second spring 34 and the damper body 33. The second spring 34 first absorbs the energy of the impact or vibration, and then the damper body 33 converts this energy into heat energy and dissipates it, thereby effectively improving the seismic resistance of the civil defense door body 2. For the contact surface between the civil defense door body 2 and the door frame 1, the civil defense door body 2 applies an impact force to the shock absorbing plate 12, and then the shock absorbing plate 12 squeezes the first spring 122. A number of first springs 122 are used to cushion the impact on the side wall of the civil defense door body 2, thereby implementing multiple buffering of the impact on the civil defense door body 2 and improving the seismic resistance.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highly earthquake-resistant civil air defense door, comprising a door frame (1), characterized in that: The inner wall of the door frame (1) is provided with a first connecting seat (11), a human air defense door body (2) is provided inside the door frame (1), a second connecting seat (21) is fixedly connected to the side wall of the human air defense door body (2), the second connecting seat (21) is rotatably connected to the first connecting seat (11), an anti-seismic seat (3) is provided on the inner wall of the door frame (1), a sliding groove (31) is provided on the side wall of the anti-seismic seat (3), a push block (32) is provided inside the anti-seismic seat (3), the push block (32) is slidably connected to the sliding groove (31), and the push block (32) is slidably connected to the sliding groove (31). 32) Four damper bodies (33) are arranged at one end away from the civil air defense door body (2), and the side walls of the damper bodies (33) are each provided with a second spring (34). A first fixing plate (35) is arranged at one end of the damper body (33) away from the push block (32), and the first fixing plate (35) is fixedly connected to the anti-seismic seat (3) by bolts. The anti-seismic seat (3) is fixedly connected to the side wall adjacent to the door frame (1) by a second fixing plate (36), and the second fixing plate (36) is fixedly connected to the door frame (1) by bolts.

2. A highly earthquake-resistant civil air defense door according to claim 1, characterized in that: The inner wall of the door frame (1) is provided with a first mounting groove (101), a shock absorbing plate (12) is arranged inside the door frame (1), the shock absorbing plate (12) is located in the first mounting groove (101), a second mounting groove (121) is arranged at the upper end of the shock absorbing plate (12), a first spring (122) is arranged inside the shock absorbing plate (12), and the first spring (122) is located in the second mounting groove (121).

3. The high earthquake-resistant civil air defense door according to claim 1 is characterized in that: One end of the anti-seismic seat (3) away from the civil air defense door body (2) is fixedly connected to a third fixing plate (37) via bolts, and the third fixing plate (37) is fixedly connected to the side wall of the door frame (1) via bolts.

4. The high earthquake-resistant civil air defense door according to claim 1 is characterized in that: One end of the push block (32) close to the civil air defense door body (2) is fixedly connected to a rubber plate (321).

5. The high earthquake-resistant civil air defense door according to claim 2 is characterized in that: The side wall of the shock absorbing plate (12) is fixedly connected to the limiting frame (123).

6. The high earthquake-resistant civil air defense door according to claim 2 is characterized in that: The shock absorbing plate (12) is in the shape of a right-angled trapezoid, and the inclined surface of the shock absorbing plate (12) is located at one end close to the civil air defense door body (2).

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