Anti-theft mechanical lock cylinder, mechanical lock and key

Abstract

The invention discloses an anti-theft mechanical lock cylinder which comprises a lock cylinder body. The lock cylinder body is provided with a lock hole, a spring mechanism is arranged inside the lockhole, the lock hole is of a bending structure, the bending structure comprises a straight part cavity and a bending part cavity, and the spring mechanism is arranged on a cavity wall of the straightpart cavity. The anti-theft mechanical lock cylinder is simple in structure and low in cost, and safety of the mechanical lock can be greatly increased.

Description

technical field [0001] The invention relates to an anti-theft mechanical lock, in particular to an anti-theft mechanical lock cylinder, a mechanical lock and a key. Background technique [0002] At present, the locks on the market are all installed on the door, and the door locks used have A\B\C security grades. However, these so-called safety locks are useless in professional locksmiths (thieves), and the tools for unlocking with illegal technology Mostly, the lock cylinder is brute-forcely rotated with a blank toothless key and the steel bar with teeth and steel wire technology are used to dial the lock. The method of unlocking the rough toothless key is to use the instability of the lock bead to shake the key violently, and when the lock bead bounces to the correct state, the lock is successfully unlocked; the toothed steel bar is to use both hands to move the lock bead to the correct state to unlock. The shortest 30 seconds and the longest 30 minutes of keyless technolo...

AI Technical Summary

Problems solved by technology

The structure of this kind of mechanical lock is very complicated and the cost is high

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