Auxiliary opening device for civil defense door

The utility model discloses an auxiliary opening device of a civil defense door. The auxiliary opening device of the civil air defense door comprises the civil air defense door installed on a wall body, a box body is further installed on the wall body, a winding mechanism is arranged in the box body...

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Bibliographic Details
Main Authors ZHANG JUNWEI, SONG JIANFENG
Format Patent
LanguageChinese
English
Published 10.06.2022
Subjects
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Summary:The utility model discloses an auxiliary opening device of a civil defense door. The auxiliary opening device of the civil air defense door comprises the civil air defense door installed on a wall body, a box body is further installed on the wall body, a winding mechanism is arranged in the box body, a steel wire rope is arranged on the winding mechanism, one end of the steel wire rope is connected with the civil air defense door, and the winding mechanism can pull the civil air defense door open easily by winding the steel wire rope. According to the auxiliary opening device of the civil air defense door, the rolling mechanism is arranged, so that the closed civil air defense door can be easily opened under the condition that a person pulls a zipper, the person does not need to pull the civil air defense door again, and the maintenance labor intensity of a maintainer is reduced. 本实用新型公开了一种人防门的辅助开启装置。人防门的辅助开启装置,包括:安装在墙体上的人防门,墙体上还安装有箱体,所述箱体内设置有收卷机构,收卷机构上设置有钢丝绳,所述钢丝绳的一端与人防门连接,收卷机构通过收卷所述钢丝绳能够较为轻松的拉开人防门。本实用新型提供的人
Bibliography:Application Number: CN202122711575U