Double-row and curve key lock cylinder

• Main Author: LYU AIJUN
• Format: Patent
• Language: English
• Published: 21.01.2015
• Subjects: ACCESSORIES THEREFOR; FIXED CONSTRUCTIONS; HANDCUFFS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The utility model discloses a double-row and curve key lock cylinder. The double-row and curve key lock cylinder comprises keys, a first lock cylinder body and a second lock cylinder body. A shifting fork is arranged in the middle of the lower end of a lock case, a rotating piece is arranged in the shifting fork, the upper end face of the first lock cylinder and the upper end face of the second lock cylinder are each provided with double rows of through holes, and a plurality of T-shaped elastic pieces are arranged in the second lock cylinder body. After a slideable locking block and an elastic ball are installed on the lateral side of the second lock cylinder body, the second lock cylinder body is installed in the lock case and fixedly connected with one end of the rotating piece, one end of the first lock cylinder body is fixedly connected with the other end of the rotating piece, and a clamping spring is arranged at the portion, outside the other end of the first lock cylinder body, of the lock case; the two sides of the upper end face of the lock case are each provided with step elastic piece holes corresponding to the double-rows of through holes, first step elastic pieces are arranged in the step elastic piece holes, and springs, second step elastic pieces and elastic balls are sequentially installed in the step elastic piece holes. According to the double-row and curve key lock cylinder, on the basis of an original structure, the curve row position is additionally arranged, another layer of protection is additionally arranged on the basis of an original single-row or double-row lock, and therefore the anti-theft grade of the lock cylinder is achieved.