Key board puzzle slot-key board column spring gravity control-combined dual-core dual-key safe cabinet lock

Abstract

The invention relates to a safe cabinet lock. The safe cabinet lock consists of a key board puzzle slot driving lock cylinder and a key board column spring gravity control driven lock cylinder, wherein the key board column spring gravity control driven lock cylinder consists of a key board shell, a column spring shell, a key board B, a column spring, a column spring baffle plate, a clamping plate and a clamping plate force reducing spring; the key board B is arranged in a key board slot B; the lowest point on the key board B is the only unlocking point; when the key board B moves, the column spring ascends / descends; an elastic column spring reed is arranged at the tail end of the column spring to control the clamping plate to ascend / descend; when the column spring descends to the lowest point, the clamping plate falls down, and a clamping plate limit table is unlocked; the key board puzzle slot driving lock cylinder consists of a lock body, a lock bolt, a key board A and an unlocking slot insert; a key board slot A is formed in the lock bolt; the key board A is arranged in the key board slot A; key board teeth are formed on the key board A; an arc unlocking slot, an arc puzzle slot and a longitudinal key board tooth slot are formed in the unlocking slot insert; the key board teeth move in the key board tooth slot; when the key board teeth are aligned to the unlocking slot, the lock bolt rotates, and an unlocking connecting rod drives the lock cylinder to unlock.

Description

technical field [0001] The invention relates to a safe lock, which is controlled by a combination of an active lock cylinder of a key plate confusion groove and a gravity control driven lock cylinder of a key plate column spring to control the opening of the lock tongue. Background technique [0002] As we all know, various types of mechanical safe locks currently on the market are composed of a traditional mechanically controlled lock cylinder and a password control mechanism; Such as ordinary lock cylinders, its security is low; it can be easily opened by means of filler unlocking, hitting key unlocking, tinfoil unlocking, tool unlocking, etc.; and although the password control mechanism has high security, it is easy to forget the password, so it is often faced with forgetting. The problem that the safe cannot be opened after the password; in order to solve the above problem, after various attempts, finally broke the tradition and invented this safe lock. SUMMARY OF THE ...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem that the combination lock of the safe is easy to forget the password and its key lock cylinder is easy to open, the present invention adopts the following technical methods to realize:

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