Civil air defense engineering protection door

Abstract

This utility model discloses a protective door for civil defense projects, relating to the field of civil defense engineering technology. It includes a protective component, comprising a door body with a window on its surface for observing the outside world. A guide groove is provided in the middle section of the window. If the connection between the door body and the door frame is damaged after an impact, preventing internal personnel from opening the door body normally, a hard object can be used to break the observation window. The observation window is composed of a tempered glass panel and a one-way glass panel, providing high protective performance. A window breaker needs to be placed inside the civil defense project to break the observation window. Once the window is broken, internal personnel can crawl out through the window. Those leaving the civil defense project can request rescue assistance from the outside to help them open the door body. This solves the problem that existing protective doors, if damaged by a major impact, make it difficult for internal personnel to escape, posing a life-threatening risk.

Description

Technical Field

[0001] This utility model relates to the field of civil defense engineering technology, and in particular to a protective door for civil defense engineering. Background Technology

[0002] As an important infrastructure for responding to war, natural disasters and public emergencies, civil defense projects are directly related to the safety of personnel and the effectiveness of material protection. As the core protective component of civil defense projects, protective doors undertake key protective functions such as resisting shock waves, preventing nuclear radiation and blocking the penetration of toxic agents. The rationality of their structure and the stability of their performance have a decisive impact on the overall protective effectiveness of civil defense projects.

[0003] Currently, most existing civil defense engineering protective doors are closed and made of steel, making them extremely heavy. Even adults cannot pry them open with tools. If the protective door is subjected to a major impact, the joints connecting it to the door frame or its locking structure may be damaged, preventing the door from opening and closing normally. People can easily become trapped inside the protective door and find it difficult to escape. In the event of a natural disaster or war outside, it is difficult for anyone to rescue those inside. Being trapped inside the protective door for a long time poses a life-threatening risk to the trapped personnel. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a protective door for civil defense projects, which solves the problem that if the existing protective door is damaged by a major impact, it is difficult for people inside to escape and their lives are in danger.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A type of protective door for civil defense engineering includes; The protective assembly includes a protective door body, which is a prior art material made of 7mm thick steel-lead composite plate. The inner side of the protective door body is provided with a cavity, and the surface of the protective door body is provided with a window for observing the outside world. A guide groove is provided in the middle section of the window. The observation window is used to observe the outside world from inside the civil defense project. It is made of one tempered glass and one one-way glass. The coated side of the one-way glass faces the side of the protective door away from the door frame. The tempered glass and the coated side of the one-way glass are bonded together. A protective plate, used to shield and protect the observation window, is slidably connected to the inside of the guide groove; The adjustment mechanism, located inside the protective door body, is used to drive the protective plate to rise and fall in the guide groove. It includes a driven bevel gear, a lead screw, and a guide rod. The guide rod is fixedly connected to the protective door body, and the driven bevel gear is fixedly connected to the lead screw. Both ends of the lead screw are rotatably connected to two support blocks through bearings. The support blocks are fixedly connected to the inner wall of the protective door body. Door frames, which are existing technologies, are used to install protective components.

[0006] Preferably, the driven bevel gear is engaged with the driving bevel gear, the driving bevel gear is fixedly connected to the transmission rod, the transmission rod is fixedly connected to the rocker arm, and the transmission rod is rotatably connected to the outer shell of the protective door body.

[0007] Preferably, a ball nut is fixedly connected to one side of the protective plate, and a limit sleeve is fixedly connected to the other side. Preferably, the guide rod and the limiting sleeve are slidably connected along the axis, the guide rod restricts the movement direction of the protective plate, the screw is threadedly connected to the ball nut, and when the screw rotates, it can drive the ball nut to move up and down, thereby driving the protective plate to move up and down.

[0008] Preferably, the observation window is located inside the window on the side closest to the door frame.

[0009] Preferably, the thickness of the protective plate is 10mm.

[0010] If the connection between the protective door body and the door frame of this application is damaged after being impacted, and the personnel inside cannot open the protective door body normally, a hard object can be used to smash the observation window. The observation window is composed of one tempered glass and one one-way glass, which has high protective performance. A window breaker needs to be placed inside the civil defense project to break the observation window. After the observation window is broken, the personnel inside can crawl out of the civil defense project through the window. The personnel who leave the civil defense project can request rescue from the outside to help the personnel inside open the protective door body. This solves the problem that if the existing protective door is damaged by a major impact, it is difficult for the personnel inside to escape and there is a risk to their lives. Attached Figure Description

[0011] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a structural diagram of the door frame and protective components in the separated state of this utility model; Figure 3 This is a diagram showing the internal structure of the protective component of this utility model; Figure 4 This is a partial exploded structural diagram of the protective component of this utility model; Figure 5 This is a structural diagram of the adjustment mechanism and protective plate of this utility model.

[0013] Legend: 100, door frame; 200, protective component; 201, protective door body; 202, window; 203, guide groove; 300, observation window; 400, adjustment mechanism; 401, driving bevel gear; 402, driven bevel gear; 403, lead screw; 404, guide rod; 405, transmission rod; 406, rocker arm; 500, protective plate. Detailed Implementation

[0014] This application provides a protective door for civil defense projects, which effectively solves the problem that if existing protective doors are damaged by a major impact, it is difficult for people inside to escape, posing a life-threatening risk.

[0015] Example 1 After a protective door is subjected to a major impact, the joints connecting it to the door frame or its locking structure may be damaged, making the protective door unable to open or close normally. People may easily become trapped inside the protective door and find it difficult to escape. If there is a natural disaster or war happening outside, it is difficult for anyone to rescue the people inside. Being trapped inside the protective door for a long time will pose a life-threatening threat to the trapped people.

[0016] To address the problems existing in the prior art, this utility model provides a protective door for civil defense projects, such as... Figure 1 and Figure 3 As shown, it includes a protective component 200 for protecting the outside world, and a door frame 100 for installing the protective component 200. The protective component 200 is hinged to the door frame 100. The surface of the protective component 200 is also provided with an observation window 300 for personnel inside the civil defense project to observe the outside world. The protective component 200 is provided with a protective plate 500 for protecting the observation window 300. The protective component 200 is also provided with an adjustment mechanism 400 for adjusting the position of the protective plate 500.

[0017] like Figure 1 and Figure 2 As shown, the protective component 200 includes a protective door body 201. The protective door body 201 is the prior art and is made of a 7mm thick steel-lead composite plate. A cavity is provided on the inner side of the protective door body 201. A window 202 for observing the outside world is opened on the surface of the protective door body 201. A guide groove 203 is opened in the middle section of the window 202. like Figure 2 As shown, the observation window 300 is used to observe the outside world inside the civil defense project. It is made of one tempered glass and one one-way glass. The coated surface of the one-way glass faces the side of the protective door body 201 away from the door frame 100. The coated surfaces of the tempered glass and the one-way glass are bonded together. like Figure 3 and Figure 4 As shown, the protective plate 500 is used to shield and protect the observation window 300, and it is slidably connected to the inside of the guide groove 203. like Figure 3 and Figure 5 As shown, the adjustment mechanism 400 is located inside the protective door body 201. It is used to drive the protective plate 500 to rise and fall in the guide groove 203. It includes a driven bevel gear 402, a lead screw 403 and a guide rod 404. The guide rod 404 is fixedly connected to the protective door body 201. The driven bevel gear 402 is fixedly connected to the lead screw 403. Both ends of the lead screw 403 are rotatably connected to two support blocks through bearings. The support blocks are fixedly connected to the inner wall of the protective door body 201. like Figure 1 and Figure 2 As shown, the door frame 100 is prior art and is used to install the protective component 200.

[0018] The driven bevel gear 402 is engaged with the driving bevel gear 401. The driving bevel gear 401 is fixedly connected to the transmission rod 405. The transmission rod 405 is fixedly connected to the rocker arm 406. The transmission rod 405 is rotatably connected to the outer shell of the protective door body 201.

[0019] like Figure 5 As shown, a ball nut is fixedly connected to one side of the protective plate 500, and a limit sleeve is fixedly connected to the other side. like Figure 5 As shown, the guide rod 404 is slidably connected to the limiting sleeve along the axial direction. The guide rod 404 restricts the movement direction of the protective plate 500. The lead screw 403 is threadedly connected to the ball nut. When the lead screw 403 rotates, it can drive the ball nut to move up and down, thereby driving the protective plate 500 to move up and down.

[0020] like Figure 2 As shown, the observation window 300 is located inside the window 202 on the side near the door frame 100.

[0021] like Figure 5 As shown, the thickness of the protective plate 500 is 10mm.

[0022] Door frame 100: Used for mounting protective components 200.

[0023] Protective component 200: Used to protect against external forces, hinged to door frame 100, and provides a mounting base for observation window 300, protective panel 500 and adjustment mechanism 400.

[0024] The protective door body 201 is a component of the protective assembly 200. It is made of 7mm thick steel-lead composite plate, with an inner cavity and a window 202 on the surface, providing installation and accommodation space for the observation window 300, the protective plate 500 and the adjustment mechanism 400.

[0025] Window 202: Opened on the surface of the protective door body 201, used to install observation window 300. After the observation window 300 is broken, it can be used as an escape passage for personnel inside the civil defense project.

[0026] Guide groove 203: Located in the middle of window 202, it provides a sliding track for the protective plate 500, allowing the protective plate 500 to rise and fall along it.

[0027] Observation window 300: Located inside window 202 on the side near door frame 100, it is used by personnel inside the civil defense project to observe the external environment. It is made of tempered glass and one-way glass (with high protective performance) and can be used as an escape route if broken.

[0028] Adjustment mechanism 400: Located inside the protective door body 201, it is used to drive the protective plate 500 to rise and fall in the guide groove 203, so as to protect or remove the protection of the observation window 300.

[0029] The driving bevel gear 401 meshes with the driven bevel gear 402 and can rotate under the drive of the transmission rod 405, transmitting power to the driven bevel gear 402.

[0030] Driven bevel gear 402: It is fixedly connected to the lead screw 403 and can rotate under the drive of the driving bevel gear 401, thereby driving the lead screw 403 to rotate.

[0031] Lead screw 403: Both ends are rotatably connected to the support block through bearings, and are threadedly connected to the ball nut of the protective plate 500. When rotated, it can drive the ball nut and the protective plate 500 to move up and down.

[0032] Guide rod 404: It is fixedly connected to the protective door body 201 and slidably connected to the limiting sleeve of the protective plate 500 along the axis, and is used to limit the movement direction of the protective plate 500.

[0033] Transmission rod 405: It is fixedly connected to the drive bevel gear 401 and rotatably connected to the outer shell of the protective door body 201. It can rotate under the drive of the rocker arm 406, thereby driving the drive bevel gear 401 to rotate.

[0034] Rocker arm 406: Fixedly connected to transmission rod 405, for operation by staff, providing power to adjustment mechanism 400 by rotating transmission rod 405.

[0035] Protective plate 500: 10mm thick, slidably connected to the inside of guide groove 203, used to shield the observation window 300 and provide protection to prevent the observation window 300 from being broken by a large impact.

[0036] This application involves a protective door body 201 with a window 202 on its surface. The observation window 300 inside the window 202 allows personnel inside the civil defense facility to observe the external environment. If the connection between the protective door body 201 and the door frame 100 is damaged by an impact, preventing personnel from opening the protective door body 201, a hard object can be used to break the observation window 300. The observation window 300 is composed of one tempered glass and one one-way glass, providing high protection. A window breaker needs to be placed inside the civil defense facility to break the observation window 300. Once the observation window 300 is broken, personnel inside can crawl out of the civil defense facility through the window 202. Those leaving the civil defense facility can request assistance from the outside to open the protective door body 201. All personnel inside the civil defense facility can also leave through the window 202. Larger trapped personnel will still need to wait for rescue, but with assistance to leave the civil defense facility, the danger is greatly reduced.

[0037] In the event of an emergency, staff can use rocker arm 406 to rotate transmission rod 405, which in turn drives drive bevel gear 401. After transmission through driven bevel gear 402, drive lead screw 403 to rotate. Lead screw 403, in conjunction with ball nut of protective plate 500, can move protective plate 500 up and down, thus protecting observation window 300 from large impacts and breakage, allowing maintenance personnel inside the civil defense project to continue their work.

[0038] The above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A blast door for a civil defense shelter, characterized by, include; The protective assembly (200) includes a protective door body (201), the surface of which is provided with a window (202) for observing the outside world, and a guide groove (203) is provided in the middle section of the window (202). An observation window (300) is used to observe the outside world from inside a civil defense project; A protective plate (500) is used to shield and protect the observation window (300), and is slidably connected to the inside of the guide groove (203); An adjustment mechanism (400) is located inside the protective door body (201) and is used to drive the protective plate (500) to rise and fall in the guide groove (203). It includes a driven bevel gear (402), a lead screw (403) and a guide rod (404). The guide rod (404) is fixedly connected to the protective door body (201), and the driven bevel gear (402) is fixedly connected to the lead screw (403). Door frame (100), which is used to install protective components (200).

2. The civil defense shelter door of claim 1 wherein: The driven bevel gear (402) is engaged with the driving bevel gear (401), the driving bevel gear (401) is fixedly connected to the transmission rod (405), the transmission rod (405) is fixedly connected to the rocker arm (406), and the transmission rod (405) is rotatably connected to the outer shell of the protective door body (201).

3. The civil defense shelter door of claim 2 wherein: A ball nut is fixedly connected to one side of the protective plate (500), and a limit sleeve is fixedly connected to the other side.

4. The civil defense shelter door of claim 3 wherein: The guide rod (404) is slidably connected to the limiting sleeve, and the lead screw (403) is threadedly connected to the ball nut.

5. The civil defense shelter door of claim 1 wherein: The observation window (300) is located inside the window (202) on the side near the door frame (100).

6. The civil defense shelter door of claim 1 wherein: The thickness of the protective plate (500) is 10mm.

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