Additional marble-free mechanical interlocking anti-theft lock

Abstract

The invention discloses an additional marble-free mechanical interlocking anti-theft lock. A back lock cylinder is completely disconnected from a front lock cylinder, and a connector is hidden in a hiding hole; the front lock cylinder is locked by an expansion sheet and a rotary lock; a lead hole, a special key hole and a hiding hole are formed in the front lock cylinder; the connector is arranged in the hiding hole, and is disconnected from the back lock cylinder; the front side of the back lock cylinder is provided with a connecting hole; a connecting tongue is fixed on the back side of the back lock cylinder, and passes through a through hole; a slide block and a slide-pushing spring are arranged in a sliding chute; the expansion end of the expansion sheet locks the front lock cylinder in a locking groove; the front lock cylinder is locked in an oblique groove and an oblique lock groove through the rotary block. Mechanical interlocking, hiding, and connection hiding of the front and back lock cylinders are integrated, so that a thief is prevented from opening an inner support lock and rotating the back lock cylinder simultaneously; even if the inner support lock and a connector part are damaged forcibly, only the front lock cylinder can be rotated, and the back lock cylinder cannot be rotated, so that theft prevention can be realized completely.

Description

technical field [0001] The invention relates to an additional non-elastic mechanical interlock 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 non-elastic mechanical interlock anti-theft lock of the present invention does not have a locking system of a...

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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