Master clutch structure for master capable of idling of cylindex lock

Abstract

The lock core clutch structure capable of idly rotating the lock core of cylinder lock includes a lock core and a locking side pin matching the notch in the lock core marble inside the lock core. It features the lock core separated into a front lock core with the locking side pin and block runner holding a block, and a back lock core with lock pin runner corresponding to the block runner and holding a lock pin and lock pin restoring spring. To the lock with the lock core clutch structure, a non-mating key inserted into the lock core can rotate the front lock core idly only without rotating the back lock core.

Description

technical field [0001] The invention belongs to mechanical locks, and relates to a lock cylinder clutch structure of a tumbler lock. Background technique [0002] The pin lock and leaf lock locked by the existing side column structure, in the locked state, the lock cylinder can not rotate relative to the lock body. A prominent problem that the lock cylinder of this structure exists is: can not effectively prevent technology from unblanking and prying and twisting the lock cylinder. If you use a strong enough unlocking tool to forcibly twist the lock cylinder, you can twist the pin inside the lock or twist the bolt that fixes the lock head on the door. Contents of the invention [0003] The object of the present invention is to provide a lock cylinder clutch structure in which the cylinder of a tumbler lock can rotate idly in view of the above situation. [0004] The object of the present invention is achieved in this way: the clutch structure of the pin lock idling lock ...

AI Technical Summary

Problems solved by technology

A prominent problem in the lock cylinder of this structure is that it cannot effectively prevent technical unlocking and prying and twisting of the lock cylinder.

Images