Civil air defense door frame

• Main Authors: YANG SHENGBIN, ZHENG SHENGHONG
• Format: Patent
• Language: Chinese; English
• Published: 21.01.2022
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model relates to a civil air defense door frame, and belongs to the field of civil air defense equipment, the civil air defense door frame comprises a frame body, a supporting beam is arranged at the top of the frame body, the length direction of the supporting beam is consistent with the width direction of the frame body, a plurality of fastening bolts are arranged on the supporting beam, a mounting block is arranged at the bottom of the frame body, and a mounting groove is formed in the frame body; an anti-collision block and a buffer spring are arranged in the mounting groove, one end of the buffer spring is fixedly connected with the bottom wall of the mounting groove, and the other end of the buffer spring is fixedly connected with the anti-collision block. The civil air defense door frame has the effect of improving the strength of the civil air defense door frame. 本申请涉及一种人防门框，属于人防设备领域，其包括框体，所述框体的顶部设置有支撑梁，所述支撑梁的长度方向与框体的宽度方向一致，所述支撑梁上设置有多个紧固螺栓，所述框体的底部设置有安装块，所述框体上开设有安装槽，所述安装槽内设置有防撞块和缓冲弹簧，所述缓冲弹簧