Additional marble-free mechanical anti-theft lock

Abstract

The invention discloses an additional marble-free mechanical anti-theft lock. A rear lock cylinder and a front lock cylinder are completely disconnected, the rear lock cylinder, the front lock cylinder and a connection body are hidden in a hidden hole, a connection hole is formed in the front portion of the rear lock cylinder, a connection tongue is fixed on the rear portion of the rear lock cylinder and penetrates through a via hole, a sliding rod in front of a guide spring in a sliding hole is installed in an expanding groove and the sliding hole, a shifting fork is located in a sliding groove and fixed on the sliding rod through a connection pin, the expanding end of an expanding sheet abuts against the interior of a locking groove to lock the front lock cylinder, and rotary blocks are arranged in an inclined groove and an inclined locking groove to lock the front lock cylinder. The inclined hanging and direct pushing rotating type unlocking mode is adopted, mechanical interlocking, invisibility and hidden connection are integrated, and therefore a thief cannot open an outwards expanding lock and rotate the rear lock cylinder at the same time; even though the outwards expanding lock and the connection body are destroyed forcedly, only the front lock cylinder can be rotated, the rear lock cylinder dose not rotate, and the complete and thorough anti-theft function is achieved.

Description

technical field [0001] The invention relates to an additional non-bullet 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 object, the additional non-bomb mechanical anti-theft lock of the present invention does not have a locking system of a pin lock, but only an ou...

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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