Door lock with safety unlocking device

Abstract

The invention discloses a door lock with a safety unlocking device. The door lock comprises a lock body arranged in a door body, a square shaft and a handle, wherein one end of the square shaft is inserted into the lock body and is in linkage with the lock body, the other end of the square shaft extends out of the door body, a clutch assembly is arranged in the handle, when the safety unlocking device is in the locked state, the clutch assembly is connected with the square shaft, the square shaft is in linkage with the handle to open the door lock, and when the safety unlocking device is in the unlocked state, the clutch assembly is disengaged from the square shaft, and the square shaft and the handle are in a free state so as not to open the door lock. According to the door lock with thesafety unlocking device, the square shaft and a push rod are designed into a clutch structure, the push rod is pushed, the push rod is matched with the square shaft, the handle is rotated to drive thedoor lock to be unlocked, otherwise, a rear handle of the door lock is in a free state, potential safety hazards of lawless people opening door through a cat eye are effectively prevented, the safetyof the intelligent door lock is greatly improved, and the door lock is simple in structure, convenient to install and high in installation efficiency.

Description

technical field [0001] The invention relates to the technical field of door locks, in particular to a door lock with a safety unlocking device. Background technique [0002] With the development and progress of the times, smart home has become the trend of the times. Traditional household items will gradually withdraw from the historical stage, and smart home has become a life concept in the new era. With the popularity of smart door locks, smart door locks can better protect people's property safety to a certain extent, but smart door locks also have certain limitations. [0003] The anti-peephole function of the smart door lock is mainly reflected in preventing thieves from opening the inner door lock through the peephole hole, and then opening the door. The anti-peephole function of the smart door lock increases the security of the door lock. At present, the door locks realize the anti-peephole function mainly into two types: mechanical anti-peephole and electronic anti-...

AI Technical Summary

Problems solved by technology

[0004] The existing mechanical anti-peephole door lock has complex structure and difficult operation, which greatly increases the cost of the door lock

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