Burglary-prevention self-locking lock cylinder

Abstract

The invention discloses a burglary-prevention self-locking lock cylinder which comprises a lock shell, a lock core and a self-locking structure, wherein the self-locking structure comprises a sliding chute which is arranged beside a key hole on the lock core and is communicated with the key hole; the sliding chute is internally provided with a sliding element and a resetting spring driving the sliding element to reset; the lock shell is also internally provided with a self-locking flat bead capable of falling into the sliding chute when the lock core rotates to be aligned to a marble hole on the upper frontage; and a boss capable of preventing the self-locking flat bead from sliding into the sliding chute is also arranged on the other side of the sliding element. According to the invention, the locking core is provided with the self-locking structure, the locking core is locked deadly when rotating for a certain angle if an incorrect key or an incorrect technical means is used for unlocking, the burglary-prevention performance is improved greatly, and the property and human safety of users is protected well; and the self-locking structure is simple to machine, is beneficial to batch production, can be used for all lock cylinders with flat bead structure; and moreover, as long as the structure is added to the common lock cylinder with the normal flat bead, the burglary-prevention performance can be improved greatly and the cost is low.

Description

【Technical field】 [0001] The invention relates to an anti-theft self-locking lock core. 【Background technique】 [0002] Most of the lock cylinders on the market cannot prevent technology from being opened, and do not have the effect of anti-theft. Especially in recent years, there are many electric guns for unlocking on the market. Generally, the lock cylinder is opened in a few seconds, and even many lock cylinders that have passed the B-level certification of the Ministry of Public Security are very easy to be opened. In order to solve this problem, this structure is specially developed. Meet the needs of the market and protect the lives and property of customers. 【Content of invention】 [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an anti-theft self-locking lock cylinder with good anti-theft performance and simple self-locking structure, which is conducive to mass production and can be used for all lock cylin...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the lock cylinders on the market cannot prevent technology from opening, and cannot prevent theft.

Especially in recent years, there are many electric guns for unlocking on the market. Generally, the lock cylinder is opened in a few seconds, and even many lock cylinders that have passed the B-level certification of the Ministry of Public Security are very easy to be opened. In order to solve this problem, this structure is specially developed. Meet the needs of the market and protect the lives and property of customers

Images