Anti-impact civil air defense door

Abstract

The invention relates to an anti-impact civil air defense door. The anti-impact civil air defense door comprises a bottom plate, wherein door frames are oppositely mounted at two ends of the bottom plate. The anti-impact civil air defense door is characterized in that the door frames are provided with sliding holes in the opposite directions, a first door body and a second door body are mounted inthe sliding holes respectively in a sliding mode, driving hydraulic cylinders which drive the first door body and the second door body to move are mounted at the sides, away from each other, of the door frames respectively, the ends, away from each other, of the first door body and the second door body are fixedly connected with output ends of the driving hydraulic cylinders respectively, a firstinsertion plate and a second insertion plate are arranged at the two ends, close to each other, of the first door body and the second door body respectively, the side, close to the first door body, of the second door body is provided with a first insertion groove which is matched with the first insertion plate in an insertion mode, and the end, close to the second door body, of the first door body is provided with a second insertion groove which is matched with the second insertion plate in an insertion mode. The anti-impact civil air defense door has the effects of being convenient to open and close, good in sealing performance and high in anti-impact strength.

Description

technical field [0001] The invention relates to the technical field of civil air defense doors, in particular to an impact-resistant civil air defense door. Background technique [0002] Civil defense is also called civil defense. Civil defense is an international common term. It is an activity in which the government mobilizes and organizes the masses, adopts anti-airstrike, disaster relief measures, implements rescue operations, and prevents and mitigates disasters. The civil air defense door belongs to the civil defense protective equipment. The civil air defense door is the door of the entrance and exit of the civil protection project. The classification of the civil air defense door is relatively clear. There are ordinary single and double protective airtight doors and airtight doors, and a variety of civil air defense equipment such as single and double protective airtight doors and airtight doors with living thresholds. [0003] In the Chinese invention patent with t...

AI Technical Summary

Problems solved by technology

[0004] The civil air defense door announced in the above-mentioned patent has the function of being easy to open and close, and is easy to use. However, since the place where the civil air defense door is used is relatively special, the requirements for the civil air defense door are also special. The civil air defense door frame and door disclosed in the above patent document The body is connected by hinges. When the external impact is large, the hinge between the door frame and the door body is prone to loosening, resulting in easy damage to the civil air defense door.

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