A door lock with a lock hole protection structure and its working method

Abstract

The invention discloses a door lock with a keyhole protection structure and a working method, wherein the door lock with a keyhole protection structure comprises an upper protection cover, a lower protection cover, a lock housing body, an upper and lower protection cover driving device, A door handle, a lock cylinder, a lock hole and a front cover, the upper and lower protective cover driving devices can drive the upper protective cover and the lower protective cover to be arranged at the position of the front cover where the lock cylinder and the lock hole are located. The door lock with the lock hole protective structure of the present invention is provided with upper and lower protective covers at the positions of the lock cylinder and the lock hole, which improves the firmness of the outside and inside of the mortise door lock and enhances the stability of the locked object. Safety, that is, it does not affect the daily normal use of the existing electronic door lock, and can prevent malicious damage to the keyhole. The opening of the protective cover can be controlled through the electronic controller or APP, which plays a role in daily protection and does not affect the use after failure. The dual purpose of the lock further improves the safety of the daily use of the lock, and improves the service life of the lock.

Description

technical field [0001] The invention belongs to the technical field of mechanical basic components, in particular to a door lock with a lock hole protection structure. The invention also relates to a working method of the door lock with the keyhole protection structure. Background technique [0002] A door lock is, as the name implies, a device used to lock a door to prevent others from opening the door. There are many types of door locks, and the requirements for door locks are different in various occasions. Ordinary families generally use anti-theft door locks, which have high security and are relatively cheap. In modern society, people's safety awareness is getting stronger and stronger, so door locks, which play a key role in family protection, are a matter of great concern to people. [0003] Mortise door locks are widely used because of their low price. However, as a safety protection device, its ability to prevent violent damage has always been weak. The reason is...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: In order to overcome the above shortcomings, the purpose of the present invention is to provide a door lock with a keyhole protection structure, which solves the problem that the keyhole of the mortise door lock in the prior art is exposed outside, and there is no reasonable design of the protection structure, resulting in The security is low. Once someone intentionally damages the keyhole, it is easy to cause difficulty in unlocking, and the exposed keyhole is easily affected by humid air, causing internal rust and difficulty in unlocking.

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