Intelligent U-shaped mortise lock

• Main Author: E XIAOYU
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• Subjects: ACCESSORIES THEREFOR; FIXED CONSTRUCTIONS; HANDCUFFS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The invention provides an intelligent U-shaped mortise lock which comprises a lock body, a lock tongue and a lock beam, the head of the lock tongue is of an arc-shaped structure, and the lock beam is provided with a limiting groove. In an unlocking state, the spring bolt extends outwards under the action of elastic force of the spring and can retract inwards under the action of external force, and the lock beam can be freely inserted into and pulled out of the lock body at the moment; in the locking state, the lock beam is inserted into the lock body, the head of the lock tongue enters the lock beam limiting groove, and after the electronic key is used for locking, the lock tongue cannot retract into the lock body, and the lock beam is locked by the lock tongue. Unlocking and locking of the U-shaped mortise lock must be carried out under the operation of an electronic key, the accuracy of unlocking and locking is fully guaranteed, double records of unlocking and locking can be achieved, and it can be guarante