Civil air defense door with shock wave resisting function

Abstract

The civil air defense door with the shock wave resisting function comprises a door body and a hinged support installed on the side face of the door body, a cylinder is arranged on the surface of the door body in a penetrating mode, a bending assembly is installed on the upper side of the cylinder, a suspension plate is installed at the bottom end of the bending assembly, the suspension plate and the cylinder are correspondingly arranged, and the door body comprises a door lock assembly. First rotating supports are arranged on the side, facing the barrel, of the bottom of the suspension plate in pairs, transmission rods are installed at one ends of the first rotating supports on the two sides, fixing heads are installed at one ends of the transmission rods, second rotating supports are arranged between the transmission rods and the fixing heads, and connecting rods are arranged at the top ends of the fixing heads. The connecting rod structure composed of the connecting rod and the transmission rod is arranged at the position of the cylinder of the hole, after the suspension plate is impacted, the connecting rod structure can act to support the interior of the cylinder, the supporting strength of the cylinder is improved, and the position of the suspension plate can be further connected and fixed.

Description

Technical Field

[0001] The present invention relates to the field of civil air defense doors, and particularly to a civil air defense door with a function of resisting shock waves. Background Art

[0002] Civil air defense doors are the doors at the entrances and exits of civil air defense projects. The classification of civil air defense doors is relatively distinct, including various civil air defense equipment such as ordinary single and double leaf protective airtight doors and airtight doors, and live threshold single and double leaf protective airtight doors and airtight doors; among them, the conventional blast wave valve refers to the protective ventilation equipment used in civil air defense projects to ensure uninterrupted ventilation in the project under the condition of being subjected to shock waves, and the blast wave valve also has different sizes of door openings such as 440×800mm, 620×1400mm, 650×2000mm, 850×2100mm, etc.

[0003] However, as a civil air defense door for ventilation, if the size is large, the openings on its door body will also be large. When subjected to impact, the openings are most likely to deform, and the deformed openings will cause the civil air defense door to be unable to be used again, and the bending after deformation will also cause gaps in the civil air defense door, ultimately affecting the secondary protection of the civil air defense door against secondary shock waves. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a civil air defense door with a function of resisting shock waves, mainly solving the problem that when the surface opening of the blast wave valve is large, it is easy to deform after being impacted.

[0005] To solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention provides a civil air defense door with a function of resisting shock waves, including a door body and a hinge support installed on the side of the door body. A cylinder body is penetrated through the surface of the door body. A bending component is installed above the cylinder body. A suspension plate is installed at the bottom end of the bending component. The suspension plate and the cylinder body are arranged correspondingly. The door body includes a door lock component. A first rotating support is arranged on the bottom of the suspension plate facing the cylinder body side. The first rotating supports are arranged in pairs. One end of the two first rotating supports is installed with a transmission rod. One end of the transmission rod is installed with a fixed head, and a second rotating support is arranged between the transmission rod and the fixed head. A connecting rod is arranged at the top end of the fixed head. The top end of the connecting rod and the top of the cylinder body are connected through a third rotating support; a clamping groove is arranged at the bottom of the cylinder body. A clamping block is arranged on the surface of the fixed head away from the transmission rod side. The clamping block and the clamping groove are arranged correspondingly.

[0007] Preferably, the middle part of the transmission rod includes a threaded sleeve, and a front rod and a rear rod threadedly connected to both ends of the threaded sleeve. The threaded sleeve and the second rotating support are connected through the rear rod, and the threaded sleeve and the first rotating support are connected through the front rod.

[0008] Preferably, a rubber pad is installed at the bottom end of the fixed head, and a catch buckle is arranged on the surface of the suspension plate facing the cylinder body, and the catch buckle is used for buckling on the surface of the cylinder body.

[0009] Preferably, a frame rod is installed between the two fixed heads, the frame rods are symmetrically arranged up and down, and the connection relationship between the card slot and the card block is a snap connection.

[0010] Preferably, the interior of the door body is hollow, and a raised plate is installed inside the door body. The raised plate divides the interior of the door body into an external space and an internal space. The external space is used to install a door lock assembly, and the internal space is used to place fire sand.

[0011] Preferably, the top and bottom ends of the door body both include a frame, and an extrusion block is arranged on the inner side of the frame. The shape of the extrusion block is the same as the cross-sectional shape of the raised plate. The extrusion block is used to extrude the fire sand, and the protruding direction of the raised plate faces the suspension plate.

[0012] Preferably, the cylinder body penetrates through the raised plate to the rear side of the door body, and vertical columns are connected between the cylinder bodies, and the vertical columns are arranged in the internal space.

[0013] Preferably, the bending assembly includes a fixed rod, one end of the fixed rod is connected to the door body, the other end of the fixed rod is connected to a rotating shaft, a rotating rod is installed at the bottom end of the rotating shaft, the rotating rod is fixedly connected to the suspension plate, and the suspension plate is arranged obliquely.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1: By arranging a connecting rod structure composed of a connecting rod and a transmission rod at the cylinder body of the hole, after the suspension plate is impacted, the connecting rod structure will act to generate a supporting effect on the inside of the cylinder body, increasing the supporting strength of the cylinder body and further connecting and fixing the position of the suspension plate.

[0016] 2: Based on the above technical solution, a raised plate is arranged inside the door body. By arranging fire sand inside the raised plate, not only can the special shape of the fire sand block the combustion heat transfer and other phenomena generated outside, but also when the shock wave occurs, the impact vibration and impact force can be transmitted through the connection between the cylinder body and the raised plate, so that the fire sand can absorb a certain degree of impact force and vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0018] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic sectional view of the present invention;

[0020] Figure 3 It is an enlarged view of part A of the present invention;

[0021] Figure 4 It is a schematic diagram of the fixed head of the present invention;

[0022] Figure 5 It is a schematic diagram of the convex plate structure of the present invention;

[0023] Figure 6 It is an enlarged view of part B of the present invention;

[0024] Figure 7 It is a split view of the convex plate structure of the present invention;

[0025] In the figure: 1, door body; 101, hinge support; 2, cylinder; 3, bending assembly; 301, fixed rod; 302, rotating shaft; 303, rotating rod; 4, hanging plate; 401, first rotating support; 402, transmission rod; 4021, threaded sleeve; 4022, front rod; 4023, rear rod; 403, fixed head; 404, second rotating support; 405, connecting rod; 406, third rotating support; 407, card slot; 408, card block; 409, rubber pad; 5, bead buckle; 6, frame rod; 7, convex plate; 701, external space; 702, internal space; 703, fire sand; 8, border; 801, extrusion block; 9, vertical column. Detailed implementation manners

[0026] The following describes the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] Embodiment 1

[0028] As Figures 1-4As shown in the figure, the present invention provides a civil air defense door with an anti-shock wave function, which includes a door body 1 and a hinge support 101 installed on the side of the door body 1. A cylinder 2 is penetrated through the surface of the door body 1. A bending assembly 3 is installed on the upper side of the cylinder 2. A suspension plate 4 is installed at the bottom end of the bending assembly 3. The suspension plate 4 and the cylinder 2 are correspondingly arranged. The door body 1 includes a door lock assembly. A first rotating support 401 is arranged on the side of the bottom of the suspension plate 4 facing the cylinder 2. The first rotating supports 401 are arranged in pairs. One end of the two-sided first rotating supports 401 is installed with a transmission rod 402. One end of the transmission rod 402 is installed with a fixed head 403. And a second rotating support 404 is arranged between the transmission rod 402 and the fixed head 403. A connecting rod 405 is arranged at the top end of the fixed head 403. The top end of the connecting rod 405 and the top of the cylinder 2 are connected through a third rotating support 406; A clamping groove 407 is arranged at the bottom of the cylinder 2. A clamping block 408 is arranged on the surface of the fixed head 403 away from the transmission rod 402. The clamping block 408 and the clamping groove 407 are correspondingly arranged; When the overall civil air defense door is subjected to a shock wave, the multi-link assembly inside the suspension plate 4 can act, such as Figure 2 As shown in the figure, the multi-link assembly, namely the first rotating support 401, the transmission rod 402, the fixed head 403 and the connecting rod 405, can be pushed to the left, and the connecting rod 405 can rotate based on the third rotating support 406 until it is in the form of Figure 5 a vertical shape. When the suspension plate 4 fits on the surface of the door body 1, the multi-link assembly inside can form a supporting effect inside the cylinder 2, so that the cylinder 2 at the door body 1 has a strong supporting effect and is prevented from deforming under the influence of the shock wave.

[0029] Furthermore, the middle part of the transmission rod 402 includes a threaded sleeve 4021, and a front rod 4022 and a rear rod 4023 that are threadedly connected to both ends of the threaded sleeve 4021. The threaded sleeve 4021 and the second rotating support 404 are connected through the rear rod 4023. The threaded sleeve 4021 and the first rotating support 401 are connected through the front rod 4022; After the above-mentioned multi-link assembly acts due to the impact and forms a support for the cylinder 2, the threaded sleeve 4021 can be disassembled at the transmission rod 402 to disconnect the middle parts of the front rod 4022 and the rear rod 4023, so that the suspension plate 4 can be separated from the multi-link assembly and opened separately, while the multi-link assembly continues to be used as a supporting member of the cylinder 2 to ensure the stable strength of the cylinder 2 after the shock wave. The multi-link assembly can also be used as a pulling structure of the suspension plate 4 to fix the position of the suspension plate 4.

[0030] A rubber pad 409 is installed at the bottom end of the fixed head 403. A bead buckle 5 is arranged on the surface of the suspension plate 4 facing the cylinder 2. The bead buckle 5 is used for buckling on the surface of the cylinder 2; After the suspension plate 4 and the door body 1 are closed, the suspension plate 4 can be connected to the surface of the cylinder 2 by the bead buckle 5 and the groove bead buckle on the surface of the cylinder 2, so as to form a limit for the suspension plate 4 and avoid the phenomenon that the suspension plate 4 falls off the door body 1 due to the damage of the bending assembly 3.

[0031] A frame rod 6 is installed between the two fixed heads 403. The frame rod 6 is symmetrically arranged up and down, and the connection relationship between the card slot 407 and the card block 408 is a snap connection; so that the connection between the fixed heads 403 through the frame rod 6 can form a frame structure, when the cylinder body 2 is externally stressed, the stress direction can be distributed to different directions through the frame rod 6, thereby increasing the overall stress of the cylinder body 2.

[0032] The bending assembly 3 includes a fixed rod 301. One end of the fixed rod 301 is connected to the door body 1, and the other end of the fixed rod 301 is connected to a rotating shaft 302. A rotating rod 303 is installed at the bottom end of the rotating shaft 302, and the rotating rod 303 is fixedly connected to the hanging plate 4; the hanging plate 4 is arranged in an inclined shape; so that only one rotating shaft 302 is used for the bending structure of the bending assembly 3, and other rods are only used as transmission components. Therefore, when the bending assembly 3 is damaged due to impact, the impact direction that can mainly cause the movement range of the hanging plate 4 to be damaged is mainly the axial direction of the rotating shaft 302, and after the rotating shaft 302 is damaged, the hanging plate 4 will further increase the fixing effect; if the shock wave in the direction perpendicular to the door body 1 causes the fixed rod 301 to fall off or other situations occur, the internal multi-link assembly can also be used as an auxiliary connection structure to fix the position of the hanging plate 4.

[0033] Specifically, the overall structure is as Figure 1 shown. Under normal conditions, after the hanging plate 4 is impacted, the rotating shaft 302 of the bending assembly 3 rotates until the rotating rod 303 drives the hanging plate 4 to closely adhere to the surface of the door body 1. First, the bead buckle 5 at the hanging plate 4 will be snap-connected with the groove bead on the surface of the cylinder body 2 to form a position limit for the hanging plate 4;

[0034] In the action process of the bending assembly 3, the hanging plate 4 will directly push the inner transmission rod 402. Both ends of the transmission rod 402 are hinged on the first rotating support 401 and the second rotating support 404 respectively, so that both ends of the transmission rod 402 are in a rotating state. Subsequently, the transmission rod 402 will Figure 2 the fixed head 403 and the connecting rod 405 at the top of the fixed head 403 from an inclined state to Figure 5 the form shown, so that the connecting rod 405 is vertically supported inside the cylinder body 2 up and down, and the rubber pad 409 at the bottom of the fixed head 403 is used for elastic extrusion. Frame rods 6 are connected left and right on the inner sides of both the fixed heads 403 and the connecting rod 405. At the same time, the card block 408 and the card slot 407 will also be snap-connected and fixed to each other during the movement process of the fixed head 403 to limit the lateral position of the fixed head 403. The multi-link assembly formed in this way forms a support and fixing effect on the middle side space inside the cylinder body 2. While preventing the deformation inside the cylinder body 2, it can also pull and fix the hanging plate 4 from the inside, so that the hanging plate 4 can also cooperate with the multi-link assembly to support each other inside and outside;

[0035] When the entire door body 1 is damaged and jammed, since the people taking shelter inside cannot directly move from the door body 1 to the outside, the user can disassemble the threaded sleeve 4021 between the front rod 4022 and the rear rod 4023, and open the external hanging plate 4 with the cylinder body 2 under separate support, so as to climb out of the cylinder body 2 from the inside to the outside.

[0036] Its overall structure is simple and easy to operate. By only arranging a multi-link component inside the cylinder body 2, the supporting effect of increasing the strength inside and outside can be completed. Moreover, the internal and external supports can be disassembled to make the hanging plate 4 act independently. While strengthening the ability of the cylinder body 2 to withstand shock waves, the usage function of the cylinder body 2 is also increased.

[0037] Embodiment 2

[0038] The difference from Embodiment 1 is that, as Figure 1 、 5 shown in -7, the inside of the door body 1 is hollow, and a convex plate 7 is installed inside the door body 1. The convex plate 7 divides the inside of the door body 1 into an external space 701 and an internal space 702. The external space 701 is used to install a door lock assembly, and the internal space 702 is used to place fire sand 703.

[0039] Both the top and bottom of the door body 1 include a frame 8. The frame 8 is provided with a pressing block 801 facing the inside. The shape of the pressing block 801 is the same as the cross-sectional shape of the convex plate 7. The pressing block 801 is used to press the fire sand 703, and the convex direction of the convex plate 7 faces the hanging plate 4.

[0040] The cylinder body 2 penetrates through the convex plate 7 to the rear side of the door body 1. A vertical column 9 is connected between the cylinder bodies 2, and the vertical column 9 is arranged in the internal space 702.

[0041] Specifically, since the door body 1 is provided with the cylinder body 2 structure and is not integrally formed, the cylinder body 2 is most likely to deform during impact resistance. And due to the material properties of the door body 1, it is also prone to further deformation when exposed to fire. Therefore, a convex plate 7 is further arranged on the inner side of the door body 1. The internal space 702 surrounded by the inner side of the convex plate 7 is filled with fire sand 703. After the impact generated by the explosion, the fire sand 703 can form a buffering effect when the impact is dispersed to the fire sand 703 because the convex plate 7 mainly supports the cylinder body 2. And when the door body 1 catches fire after the explosion, the heat absorption and heat insulation properties of the inner fire sand 703 can also block the external temperature influence, reduce the fire spread time, and allow the user to have more time to call for help and escape from other civil air defense doors.

[0042] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A human defense door with anti-shock wave function, comprising a door body (1) and a hinge support (101) installed on the side of the door body (1), a cylinder (2) is arranged through the surface of the door body (1), a bending component (3) is installed on the upper side of the cylinder (2), a hanging plate (4) is installed at the bottom end of the bending component (3), the hanging plate (4) and the cylinder (2) are arranged correspondingly, the door body (1) includes a door lock component, characterized in that: A first rotating support (401) is arranged at the bottom of the hanging plate (4) toward the side of the cylinder (2), and the first rotating supports (401) are arranged in pairs, and a transmission rod (402) is installed at one end of the first rotating supports (401) on both sides, and a fixed head (403) is installed at one end of the transmission rod (402), and a second rotating support (404) is arranged between the transmission rod (402) and the fixed head (403), and a connecting rod (405) is arranged at the top of the fixed head (403), and the top of the connecting rod (405) and the top of the cylinder (2) are connected via a third rotating support (406); A clamping groove (407) is provided at the bottom of the cylinder (2), and a clamping block (408) is provided on the surface of the fixed head (403) on the side away from the transmission rod (402), and the clamping block (408) and the clamping groove (407) are arranged correspondingly.

2. The civil defense door with anti-shock wave function according to claim 1 is characterized in that: The middle part of the transmission rod (402) includes a threaded sleeve (4021), and a front rod (4022) and a rear rod (4023) threadedly connected to both ends of the threaded sleeve (4021); the threaded sleeve (4021) and the second rotating support (404) are connected via the rear rod (4023); and the threaded sleeve (4021) and the first rotating support (401) are connected via the front rod (4022).

3. The civil defense door with anti-shock wave function according to claim 2 is characterized in that: A rubber pad (409) is installed at the bottom end of the fixed head (403), and a bead buckle (5) is provided on the surface of the hanging plate (4) facing the cylinder (2), and the bead buckle (5) is used to buckle on the surface of the cylinder (2).

4. The civil defense door with anti-shock wave function according to claim 2 is characterized in that: A frame rod (6) is installed between the fixing heads (403) on both sides. The frame rod (6) is symmetrically arranged up and down. The connection relationship between the clamping slot (407) and the clamping block (408) is a snap connection.

5. The civil defense door with anti-shock wave function according to claim 4 is characterized in that: The interior of the door body (1) is hollow, and a raised plate (7) is installed inside the door body (1). The raised plate (7) divides the interior of the door body (1) into an external space (701) and an internal space (702), wherein the external space (701) is used to install a door lock assembly, and the internal space (702) is used to place fireproof sand (703).

6. The civil defense door with anti-shock wave function according to claim 5 is characterized in that: The top and bottom ends of the door body (1) both include a frame (8), and the frame (8) is provided with an extrusion block (801) facing inward, the shape of the extrusion block (801) is the same as the cross-sectional shape of the raised plate (7), the extrusion block (801) is used to extrude the fireproof sand (703), and the raised direction of the raised plate (7) is toward the hanging plate (4).

7. The civil defense door with anti-shock wave function according to claim 6 is characterized in that: The cylinder (2) passes through the raised plate (7) to the rear side of the door body (1), a vertical column (9) is connected between the cylinders (2), and the vertical column (9) is arranged in the internal space (702).

8. The civil defense door with anti-shock wave function according to claim 1 is characterized in that: The bending assembly (3) comprises a fixed rod (301), one end of the fixed rod (301) is connected to the door body (1), the other end of the fixed rod (301) is connected to a rotating shaft (302), a rotating rod (303) is installed at the bottom end of the rotating shaft (302), the rotating rod (303) and the hanging plate (4) are fixedly connected, and the hanging plate (4) is arranged in an inclined state.

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