Anti-impact civil air defense door for subway tunnel

Abstract

The utility model relates to the technical field of anti-impact civil air defense doors of subway tunnels, in particular to an anti-impact civil air defense door of a subway tunnel, which comprises walls, an impact plate, a support plate, a reinforcing plate and an anti-impact component, a door frame is fixedly arranged between the walls, a door plate is rotatably arranged on the inner side of the door frame, a handle is fixedly arranged on one side of the door plate, and the impact plate is fixedly arranged on the handle. The door plate comprises an impact plate, a supporting plate and a reinforcing plate, the supporting plate is arranged between the impact plate and the reinforcing plate, the anti-impact assembly comprises fixing blocks, the two pairs of fixing blocks are fixedly arranged on the inner side of the supporting plate, and two pairs of connecting blocks are fixedly arranged on one side of the impact plate. Through cooperation of the sliding block, the rotating plate and the protruding block, impact on the door plate is buffered, the civil air defense door is prevented from being damaged, the surface of the impact plate is coated with a wear-resisting layer and an anti-corrosion layer, and the wear resistance and the corrosion resistance of the door plate are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of anti-impact air-raid shelter doors for subway tunnels, specifically an anti-impact air-raid shelter door for subway tunnels. Background Technology

[0002] Civil defense doors are the doors at the entrances and exits of civil defense projects. Civil defense doors are clearly classified into ordinary single and double-leaf protective airtight doors and airtight doors. Civil defense doors belong to civil defense protection equipment.

[0003] In the prior art, such as the civil defense door panel proposed in patent application number "CN202222474945.X", a door panel body is provided, including: a lightweight layer filled inside the door panel body to slow down the propagation of the blast shock wave, a reinforcing layer wrapped around the lightweight layer, and a flame-retardant layer wrapped around the reinforcing layer. The flame-retardant layer is disposed on the surface of the door panel body. Both the reinforcing layer and the flame-retardant layer are used to block explosive fragments and prevent the spread of combustion.

[0004] However, in the aforementioned patent, the contact surface between the air-raid shelter door and the wall does not serve as a buffer. The overall weight of the air-raid shelter door is relatively heavy. When the air-raid shelter door is subjected to external impact, it is very easy to damage due to its low strength and the lack of buffer and protection mechanisms. Utility Model Content

[0005] The purpose of this utility model is to provide an impact-resistant civil defense door for subway tunnels to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] An impact-resistant air-raid shelter door for subway tunnels includes a wall, an impact plate, a support plate, a reinforcing plate, and an impact-resistant component. A door frame is fixedly installed between the walls, and a door panel is rotatably installed on the inner side of the door frame. A handle is fixedly installed on one side of the door panel. The door panel includes an impact plate, a support plate, and a reinforcing plate, with the support plate disposed between the impact plate and the reinforcing plate.

[0008] The anti-impact component includes a fixing block, two pairs of fixing blocks are fixedly installed on the inner side of the support plate, and two pairs of connecting blocks are fixedly installed on one side of the impact plate. The two pairs of connecting blocks are slidably installed inside the two pairs of fixing blocks respectively.

[0009] Preferably, a number of rubber blocks are fixedly provided on one side of the impact plate, and two reinforcing ribs are fixedly provided on the inner side of the support plate, with the two reinforcing ribs arranged in a cross shape.

[0010] Preferably, a crossbar is fixedly provided on the inner side of the support plate, and two sliding blocks are slidably provided on the outer surface of the crossbar. A sliding groove is provided on the inner side of the support plate, and the two sliding blocks are slidably provided inside the sliding groove.

[0011] Preferably, the outer surface of the two sliding blocks is rotationally provided with a pair of rotating plates, one end of the two pairs of rotating plates is rotationally provided with a protrusion, and the protrusion is fixedly provided on one side of the impact plate.

[0012] Preferably, the inner side of the supporting plate is fixedly provided with an L-shaped block-shaped buffer block, and the buffer block is arranged on one side of the protrusion.

[0013] Preferably, the outer surface of the impact plate is fixedly provided with a wear-resistant layer, and one side of the wear-resistant layer is fixedly provided with a corrosion-resistant layer.

[0014] The utility model discloses the beneficial effect that:

[0015] The utility model discloses a shockproof assembly, which comprises a fixed block and a connecting block, the position of the impact plate is stabilized through cooperation of the fixed block and the connecting block, the impact on the buffer door plate is buffered through cooperation of the sliding block, the rotating plate and the protrusion, the civil air defense door is prevented from being damaged, and a wear-resistant layer and a corrosion-resistant layer are coated on the surface of the impact plate to increase the wear resistance and corrosion resistance of the door plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, other drawings can also be obtained by the drawings for the ordinary skilled in the art without creative labor;

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the door frame, handle structure schematic diagram of the utility model;

[0019] Figure 3 It is the supporting plate, fixed block structure schematic diagram of the utility model;

[0020] Figure 4 It is the rubber block, connecting block structure schematic diagram of the utility model;

[0021] Figure 5 It is the wear-resistant layer, corrosion-resistant layer structure schematic diagram of the utility model.

[0022] The signs in the drawings are as follows:

[0023] 1, wall body;2, door frame;3, door plate;4, handle;5, impact plate;6, supporting plate;7, reinforcing plate;8, fixed block;10, connecting block;11, rubber block;12, reinforcing rib;13, cross bar;14, sliding block;15, sliding groove;16, rotating plate;17, protrusion;18, buffer block;19, wear-resistant layer;20, corrosion-resistant layer. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] The metro tunnel anti-impact civil defense door comprises a wall body 1, an impact plate 5, a supporting plate 6, a reinforcing plate 7 and an anti-impact assembly.

[0026] The anti-impact assembly comprises a fixed block 8, two pairs of fixed blocks 8 are fixedly arranged on the inner side of the supporting plate 6, one side of the impact plate 5 is fixedly provided with two pairs of connecting blocks 10, and the two pairs of connecting blocks 10 are respectively slidably arranged in the two pairs of fixed blocks 8.

[0027] As Figure 1 , Figure 2 and Figure 4 , the door frame 2 is arranged on the inner side of the wall body 1, the door plate 3 is rotatably arranged on the inner side of the door frame 2, the impact plate 5 is arranged on one side of the supporting plate 6, the reinforcing plate 7 is arranged on the other side of the supporting plate 6, and the position of the impact plate 5 is controlled through cooperation of the connecting block 10 and the fixed block 8.

[0028] One side of the impact plate 5 is fixedly provided with a plurality of rubber blocks 11, and the inner side of the supporting plate 6 is fixedly provided with two reinforcing ribs 12.

[0029] As Figure 3 and Figure 4 , the rubber blocks 11 are fixed between the impact plate 5 and the supporting plate 6, and the position of the supporting plate 6 is reinforced through the two reinforcing ribs 12.

[0030] The inner side of the supporting plate 6 is fixedly provided with a cross rod 13, the outer surface of the cross rod 13 is slidably provided with two sliding blocks 14, the inner side of the supporting plate 6 is provided with a sliding groove 15, and the two sliding blocks 14 are slidably arranged in the sliding groove 15.

[0031] As Figure 3 and Figure 4 , when the two sliding blocks 14 slide on the position surface of the cross rod 13, the two sliding blocks 14 slide in the sliding groove 15, the position of the two sliding blocks 14 is controlled, and the outer surface of the cross rod 13 is provided with a pattern to increase the friction between the two sliding blocks 14 and the cross rod 13.

[0032] The outer surface of the two sliding blocks 14 is rotationally provided with a pair of rotating plates 16, one end of the two pairs of rotating plates 16 is rotationally provided with a protrusion 17, and the protrusion 17 is fixedly provided on one side of the impact plate 5.

[0033] When the impact plate 5 is impacted, the two pairs of rotating plates 16 are caused to rotate on the protrusion 17 and the two sliding blocks 14. Figure 4

[0034] The inner side of the support plate 6 is fixedly provided with an L-shaped block-shaped buffer block 18, and the buffer block 18 is arranged on one side of the protrusion 17.

[0035] When the impact plate 5 is impacted, the two pairs of rotating plates 16 are caused to rotate on the protrusion 17 and the two sliding blocks 14. Figure 3 Figure 4 The buffer block 18 is arranged on the inner side of the support plate 6, and the position of the protrusion 17 is stabilized by the buffer block 18 when the protrusion 17 moves.

[0036] The outer surface of the impact plate 5 is fixedly provided with a wear-resistant layer 19, and one side of the wear-resistant layer 19 is fixedly provided with a corrosion-resistant layer 20.

[0037] The wear-resistant layer 19 and the corrosion-resistant layer 20 are matched to increase the durability of the impact plate 5 and increase the functionality of the door plate 3. Figure 5

[0038] The working principle of the subway tunnel anti-impact civil air defense door provided by the utility model is as follows:

[0039] The outer surface of the impact plate 5 is fixedly provided with a wear-resistant layer 19 and a corrosion-resistant layer 20, the wear resistance and corrosion resistance of the door plate 3 are improved, the door plate 3 is conveniently opened through the handle 4, when the door plate 3 is impacted, the support plate 6 is fixedly supported by the two reinforcing ribs 12, the impact plate 5 moves towards the inner side of the support plate 6, the two pairs of rotating plates 16 rotate on the surface of the protrusion 17 and the two sliding blocks 14, the two sliding blocks 14 slide on the outer surface of the cross rod 13, the position of the impact plate 5 is stabilized through the cooperation of the fixed block 8 and the connecting block 10.

[0040] Compared with the related art, the subway tunnel anti-impact civil air defense door provided by the utility model has the following beneficial effects:

[0041] The anti-impact assembly of the utility model comprises a fixed block 8 and a connecting block 10, the position of the impact plate 5 is stabilized through the cooperation of the fixed block 8 and the connecting block 10, the impact on the door plate 3 is buffered through the cooperation of the sliding block 14, the rotating plate 16 and the protrusion 17, and the civil air defense door is prevented from being damaged;

[0042] A wear-resistant layer 19 and a corrosion-resistant layer 20 are coated on the surface of the impact plate 5, and the wear resistance and corrosion resistance of the door plate 3 are increased.

[0043] ​​​The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A subway tunnel anti-impact civil defense door, comprising a wall body (1), an impact plate (5), a support plate (6), a reinforcing plate (7) and an anti-impact assembly, characterized in that, The wall (1) is fixedly provided with a door frame (2), the inner side of the door frame (2) is rotatably provided with a door plate (3), one side of the door plate (3) is fixedly provided with a handle (4), the door plate (3) comprises an impact plate (5), a supporting plate (6) and a reinforcing plate (7), the supporting plate (6) is arranged between the impact plate (5) and the reinforcing plate (7); The anti-impact assembly comprises a fixed block (8), two pairs of fixed blocks (8) are fixedly arranged on the inner side of the supporting plate (6), one side of the impact plate (5) is fixedly provided with two pairs of connecting blocks (10), and the two pairs of connecting blocks (10) are slidably arranged in the two pairs of fixed blocks (8) respectively.

2. The subway tunnel anti-impact civil defense door according to claim 1, characterized in that, The impact plate (5) is fixedly provided with a plurality of rubber blocks (11) on one side, the inner side of the supporting plate (6) is fixedly provided with two reinforcing ribs (12), and the two reinforcing ribs (12) are in a cross shape.

3. The subway tunnel anti-impact civil defense door according to claim 1, characterized in that, The inner side of the supporting plate (6) is fixedly provided with a cross bar (13), the outer surface of the cross bar (13) is slidably provided with two sliding blocks (14), the inner side of the supporting plate (6) is provided with a sliding groove (15), and the two sliding blocks (14) are slidably arranged in the sliding groove (15).

4. The subway tunnel anti-impact civil defense door according to claim 3, characterized in that, The outer surfaces of the two sliding blocks (14) are rotatably provided with a pair of rotating plates (16), one end of the two pairs of rotating plates (16) is rotatably provided with a protruding block (17), and the protruding block (17) is fixedly arranged on one side of the impact plate (5).

5. The subway tunnel anti-impact civil defense door according to claim 1, characterized in that, The inner side of the supporting plate (6) is fixedly provided with an L-shaped buffer block (18), and the buffer block (18) is arranged on one side of the protruding block (17).

6. The subway tunnel anti-impact civil defense door according to claim 1, characterized in that, The outer surface of the impact plate (5) is fixedly provided with a wear-resistant layer (19), and one side of the wear-resistant layer (19) is fixedly provided with a corrosion-resistant layer (20).

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