Emergency device for civil defense door

• Main Authors: YUAN CHANGJIN, JI QINGGUANG, YUAN QIUXIA, WU DONGMEI
• Format: Patent
• Language: Chinese; English
• Published: 09.11.2021
• 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; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model provides an emergency device for civil defense doors, which belongs to the technical field of civil defense engineering and comprises a door frame, two mounting blocks are fixedly connected to the left side and the right side of the rear end of the door frame respectively, and the upper ends of the mounting blocks on the left side and the right side are movably hinged to the civil defense doors through hinged shafts respectively. Handles are fixedly connected to the rear ends of the two personal protection doors, a trapezoidal groove is formed in the lower end of the handle located on the right side, a square groove is formed in the right inner wall of the trapezoidal groove, a rotating shaft is rotationally connected to the front inner wall of the square groove, a driving gear is fixedly connected to the circumferential inner wall of the rotating shaft, and a fixing rod is fixedly connected between the front inner wall and the rear inner wall of the trapezoidal groove. The screw and the fix