Safety lock with mechanical protection structure

• Main Authors: MA CHANGKAI, WANG YIFAN, TENG PITIAN, WANG LIANG, ZHANG SHUAI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2022
• Subjects: ACCESSORIES THEREFOR; FIXED CONSTRUCTIONS; HANDCUFFS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The utility model relates to the technical field of safety locks. According to the technical scheme, the safety lock comprises a steel cable, a limiting plate, a lock body, a rotating block, a fixing plate and a bolt, a mounting groove is formed in the lock body, the fixing plate is arranged in the mounting groove, the limiting plate is arranged in the lock body, the rotating block is arranged between the limiting plate and the lock body, and the bolt is arranged on the rotating block. The outer wall of the rotating block is sleeved with a coil spring, the outer wall of the coil spring is sleeved with a steel cable, a fixing groove is formed in the lock body and the fixing plate, fixing teeth are arranged on the inner wall of the fixing groove, a screw hole is formed in the fixing plate, a bolt is rotationally inserted into the screw hole, and a twisting block is arranged at one end of the bolt. According to the steel cable winding equipment and device, the steel cable is locked through the fixing plate, vari