Anti-theft lock and key for same

Abstract

The invention discloses an anti-theft lock, comprising a marble arranged in a lock cylinder, and a marble return spring, and further comprising a side locking mechanism, wherein the side locking mechanism is a clutch; the clutch comprises a clutch block and a clutch block return spring, the clutch block is arranged on a lock cylinder wall which is located at the outer side of the marble, and the inner end of the clutch block is a V-shaped projected end; the marble is provided with a V-shaped groove; and the V-shaped projected end at the inner end of the clutch block is adapted to the V-shaped groove of the marble, the outer end of the clutch block can penetrate out of the lock cylinder wall and be inserted into the locking blind groove or the locking through hole of a lock body, and the clutch block return spring is located at the outer end of the clutch block and fixed on the lock cylinder via a press sheet. The invention further discloses a key matched with the anti-theft lock. The clutch block in the anti-theft lock disclosed by the invention has a strong effect of preventing strong-twisting unlocking; and the anti-theft lock is further provided with a heaven-and-earth bead and a gatekeeper bead, thus having a stronger capacity of preventing electric drills, preventing glue water blockage and blasting force, and particularly preventing technical unlocking. The anti-theft lock has the advantages of being low in mutual opening rate and high in safety.

Description

technical field [0001] The invention relates to a lock, in particular to an anti-theft lock with a side locking mechanism and a key thereof. Background technique [0002] A lock with a pin cylinder is a popular anti-theft lock on the market at present. The structure of the lock is usually assembled by a lock body, a lock core, a pin and a pin return spring. The performance of unlocking and destructive lockpicking is poor, and most pins are arranged in single or double rows, so as the sales of locks increase, the mutual opening rate of the lock also increases, and the safety decreases. Contents of the invention [0003] The purpose of the present invention is to address the deficiencies of the prior art, and provide a lock with stronger anti-strong twisting, anti-electric drill, anti-glue blocking, anti-explosion force, especially anti-technical unlocking, and the mutual opening rate is small, safe High security anti-theft lock and its key. [0004] The purpose of the pre...

AI Technical Summary

Problems solved by technology

[0002] A lock with a pin cylinder is a popular anti-theft lock on the market at present. The structure of the lock is usually assembled by a lock body, a lock core, a pin and a pin return spring. The performance of lock picking and destructive picking is poor, and most pins are arranged in single or double rows, so as the sales volume of locks increases, the mutual opening rate of the lock also increases, and the security decreases accordingly

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