Mechanical antitheft lock with additional side lock

Abstract

The invention discloses a mechanical antitheft lock with an additional side lock. A rear lock cylinder and a front lock cylinder are completely disconnected from each other, and the rear lock cylinder, the front lock cylinder and a connector are concealed in a concealed hole; a connecting hole is formed in the front of the rear lock cylinder, and a connecting bolt is fixed at the rear of the rear lock cylinder and penetrates through a through hole; a sliding rod is mounted in a sliding hole and positioned in front of a guide spring; the sliding rod is mounted in an expansion groove and the sliding hole; a shifting fork is arranged in a sliding groove and is fixed on the sliding rod through a connecting pin; an expansion end of an expansion plate is propped against the inside of a locking groove to lock the front lock cylinder; a side lock device and a connecting locking device lock the front lock cylinder. An oblique-hanging and straight-pushing rotary locking mode is adopted, mechanical interlocking, concealing and connection concealing are integrated, so that a thief cannot unlock an extension lock or rotate the rear lock cylinder simultaneously; even if the extension lock and a lock column are damaged by a violent means, only the front lock cylinder can rotate, but the rear lock cylinder cannot rotate, and therefore, the complete and thorough antitheft effect is achieved.

Description

technical field [0001] The invention relates to an additional side lock mechanical anti-theft lock in the field of anti-theft locks. Background technique [0002] There are many kinds of anti-theft locks in use now, but basically all of them use the key to open the marble and then rotate to drive the deadbolt to open the anti-theft lock. It is easy to open the anti-theft lock. There are basically no anti-theft locks that thieves and unlocking kings cannot open. Contents of the invention [0003] The purpose of the present invention is to provide a kind of anti-theft lock that can't be opened by thieves and unlocking kings, which integrates asynchronous interlocking, self-locking and mechanical interlocking, high security, the manufacture of anti-theft locks without marbles and its method. [0004] In order to achieve the above purpose, the additional side lock mechanical anti-theft lock of the present invention does not have a locking system of a tumbler lock, and only ...

AI Technical Summary

Problems solved by technology

[0002] There are many kinds of anti-theft locks in use now, but basically they all use keys to open the marbles and then rotate to drive the deadbolt to open the anti-theft locks. There is no interlock and The anti-theft lock combined with self-locking makes it easy for thieves or unlock kings to open the anti-theft lock

There are basically no anti-theft locks that can't be opened by thieves and locksmiths.

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