Key cylinder and key

• Main Authors: MENG LIAN, FENG JIANAN, KUO SONGBIAO, FENG YANMEI, LI XIAOHUAN, LIANG XUEQING, ZHU ZHENSHENG, FENG HAIXIANG, FENG WEIJIAN
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2016
• Subjects: ACCESSORIES THEREFOR; FIXED CONSTRUCTIONS; HANDCUFFS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The invention discloses a key cylinder. The key cylinder comprises a lock case, a cylinder core and a key. A keyhole is formed on the cylinder core, a front locking device is arranged on the top of the lock case and the cylinder core, and a side locking device is mounted on the side face of the lock case and the cylinder core; the side locking device comprises side ball pressure springs, side balls, pressure springs of a transverse sheet and the transverse sheet; key sliding grooves where a part of a key slides are formed on the side balls; transverse sheet sliding grooves where a part of the transverse sheet slides are formed under the side walls; a tooth pattern which is matched with the front locking device for unlocking is arranged on a surface of the key, a raised line which is matched with the key sliding grooves of all side balls and pushes to side balls to move left and right is arranged on the other surface of the key, and the raised line protrudes out of the surfaces of the side balls and is arrange