Civil air defense door with sealing lock of up-down integrated structure

• Main Authors: CAI MIAOQING, LIU YONGZHENG, JIANG AIGUO, ZHAO RENMIN
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2022
• Subjects: ACCESSORIES THEREFOR; 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; HANDCUFFS; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The civil defense door comprises a civil defense door body and an installation frame, the civil defense door body is arranged on the installation frame through a hinge chain, a containing groove is formed in the rear side of the civil defense door body, and a supporting plate is arranged at the position, located at an opening of the containing groove, of the civil defense door body. A rotating shaft is rotationally connected to the supporting plate through a bearing, a cam is arranged on the rotating shaft, mortise locks are slidably inserted into the upper side and the lower side of the containing groove body, and a locking structure convenient to adjust is arranged between the rotating shaft and the supporting plate; the cam rotates to drive the mortise locks on the upper side and the lower side to move at the same time to be inserted into the corresponding inserting grooves, the stability of the mortise locks on the upper side and the lower side is guaranteed through cooperation of the locking structures,