Anti-theft door lock without lock hole

Abstract

The invention discloses an anti-theft door lock without a lock hole. The anti-theft door lock without the lock hole comprises a lock body. A lock tongue support is mounted in the lock body. A plurality of lock tongues are fixed to the lock tongue support. A bevel tongue is further arranged on the lock body in a penetrating mode. A stretchable linkage device is arranged between the bevel tongue and the lock tongue support. A control mechanism used for driving the lock tongue support and the lock tongues on the lock tongue support to retract together to achieve electronic unlocking is arranged in the lock body. The control mechanism comprises an electronic unlocking induction controller and a main gear. The main gear is mounted in the lock body and fixedly connected with the lock tongue support through a connecting rod. At least two electronic unlocking driving mechanisms are arranged between the main gear and the electronic unlocking induction controller. Thus, by means of the structure, the anti-theft door lock without the lock hole is better in anti-theft performance and is provided with the multiple electrical unlocking driving mechanisms.

Description

Technical field [0001] The invention relates to a door lock, in particular to an anti-theft door lock without a keyhole. Background technique [0002] At present, since traditional door locks are often provided with door inner and outer rotating handles and corresponding door inner and outer lock holes, etc., after the door lock is installed on the door, the above-mentioned parts will be exposed outside the door. As a result, the intruder can easily and accurately find the lock core position of the door lock and pry open the anti-theft door lock, which greatly reduces the anti-theft performance of the anti-theft door lock. Summary of the invention [0003] In view of the shortcomings of the prior art, the present invention provides a keyhole-free anti-theft door lock with better anti-theft performance and multiple sets of electronic unlocking drive mechanisms. [0004] In order to achieve the above-mentioned object, the present invention provides a keyhole-free anti-theft door lock...

AI Technical Summary

Problems solved by technology

[0002] At present, because the traditional door locks are often provided with door inside and outside turning handles and corresponding door inside and outside lock holes, etc., after the door lock is mounted on the door, the above-mentioned parts will be exposed outside the door, thereby As a result, the intruder can easily and accurately find the position of the lock cylinder and pry open the anti-theft door lock, which greatly reduces the anti-theft performance of the anti-theft door lock.

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