Reinforced concrete civil air defense door

• Main Authors: CAI LIANFENG, KIM SOON-YOUNG, WANG HONGXI, WU KANKAN
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2024
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; 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

The utility model discloses a reinforced concrete civil air defense door, and particularly relates to the technical field of civil air defense doors, the reinforced concrete civil air defense door comprises a ground, the surface of the ground is fixedly connected with a door frame, one side of the door frame is rotatably connected with a civil air defense door body, the outer side of the civil air defense door body is provided with a fixing device, and the fixing device comprises a fixing rod. The civil air defense door comprises a civil air defense door body, the civil air defense door body is provided with a fixing device, the fixing device comprises a fixing rod and an inserting rod, the fixing rod is fixedly connected to the outer side of the civil air defense door body, the end, away from the civil air defense door body, of the fixing rod is rotationally connected with a rotating plate, and a limiting hole is formed in the surface of the rotating plate. And under the action of the gravity of the balancin