Straight inserting opening counter lock

Abstract

This invention relates to plug start balance lock, which comprises lock part, lock cover, active lock bolt and lock bolt reset spring, which is characterized by the following: the lock key hole inside is set with key channel, balance lever, first lock board, lock lever, wherein, the key isn't inserted, the balance lever is under reset spring to cover first lock board to prevent movement; the lock lever is under reset spring to hook into first lock board position hole and down hook on second lock board position hole to prevent move; the lock card of second position board covers free end concaved tank to prevent lock set move; key is inserted to lift balance lever to balance position to discharge first lock board to open lock.

Description

technical field [0001] The invention relates to a lock, in particular to an in-line opening balance lock. Background technique [0002] At present, the existing mechanical locks are basically rotary pin locks. The operating mechanism is basically to insert the key into the lock hole first, and lift up all the pins inserted between the lock cylinder and the lock body when the original lock is closed. Completely disengage from the lock core so that the lock core and the lock body are in a separated state, then turn the key to drive the lock core to rotate, thereby pulling the lock bolt through the rotation of the lock core to open the door lock. This kind of mechanical pin lock is easy to be broken, because even if the thief cannot lift all the pins completely out of the lock cylinder with a tool, he can forcefully twist the lock core by external force to destroy the pins, thereby pulling the lock through the rotation of the lock core bolt to open the door lock. Contents of...

AI Technical Summary

Problems solved by technology

This kind of mechanical pin lock is easy to be broken, because even if the thief cannot lift all the pins completely out of the lock cylinder with a tool, he can forcefully twist the lock core by external force to destroy the pins, thereby pulling the lock through the rotation of the lock core bolt to open the door lock

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