Bridge cutoff lock

Abstract

The invention relates to the field of locks, in particular to a broken bridge lock which comprises a key, a coded lock plate, an air flow generating mechanism, a driven piston, a clamping bolt, a lockbolt, a locking mechanism, a handle and a lock bolt reset elastic piece, an air flow through hole is formed in the coded lock plate, and the key controls the air flow through hole of the coded lock plate to communicate to form an air flow channel. The handle rotates clockwise from the horizontal state to control the airflow generating mechanism to generate airflow, the airflow is transmitted to the driven piston through the airflow channel, the driven piston controls the clamping bolt and is combined with the handle to continuously rotate clockwise to control the locking mechanism to be opened, and the locking bolt is opened under the action of the locking bolt reset elastic piece. When the handle rotates anticlockwise, the locking mechanism is closed, the lock bolt is closed, the clamping bolt is reset, and the bridge cutoff lock is in a locked state. The problem that in the prior art, the safety of unlocking through the hard contact technology is poor is solved by disconnecting hardcontact of a mechanical structure of the lock, the technical structure is high, the reliability of the lock is enhanced, and then the safety of the lock is improved.

Description

technical field [0001] The invention relates to the field of locks, in particular to a broken bridge lock. Background technique [0002] In theory, all kinds of existing mechanical locks, including anti-theft door locks, various safe locks, etc., can be unlocked by technology no matter how complicated the design is. The complexity of the lock cylinder has both increased the manufacturing cost and cannot fundamentally solve the problem. In addition, the reason why the existing mechanical locks can be unlocked by technology is that the mechanical structure of the lock is always in hard contact from the key or combination disk to the lock tongue, so that the purpose of unlocking can be achieved through external testing, such as using mechanical sound information, so Therefore, there is an urgent need to develop a method to solve the above-mentioned defective problems of the existing mechanical lock by breaking the hard contact of the lock mechanical structure. Contents of th...

AI Technical Summary

Problems solved by technology

[0002] In theory, all kinds of existing mechanical locks, including anti-theft door locks, various safe locks, etc., can be unlocked by technology no matter how complicated the design is. The complexity of the lock cylinder not only increases the manufacturing cost, but also cannot fundamentally solve the problem

In addition, the reason why the existing mechanical locks can be unlocked by technology is that the mechanical structure of the lock is always in hard contact from the key or combination disk to the lock tongue, so that the purpose of unlocking can be achieved through external testing, such as using mechanical sound information, so , it is urgent to develop a method to solve the defects of the above-mentioned existing mechanical locks by breaking the hard contact of the lock mechanical structure

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