Intelligent padlock capable of being unlocked and driven by memory metal wire

Abstract

The invention relates to the technical field of locks, in particular to an intelligent padlock capable of being unlocked and driven by a memory metal wire. The intelligent padlock comprises a lock beam, a lock body, a locking portion and a rotating column, wherein the locking portion is contained in the lock body and used for being matched with the lock beam, the rotating column is used for beingmatched with the locking portion, and the rotating column can rotate from the locking position to the unlocking position; the intelligent padlock further comprises a driving mechanism used for drivingthe rotating column to rotate; the driving mechanism comprises the memory metal wire, one end of the memory metal wire is connected with the lock body, and the other end of the memory metal wire is connected with the rotating column; and the memory metal wire is used for being heated and shortened to pull the rotating column to rotate so as to realize unlocking. The intelligent padlock capable ofbeing unlocked and driven by the memory metal wire has the advantages that the structure is simple, the memory metal wire is used for replacing an electromagnet driving device in the prior art, the driving mode is changed, and the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of locks, in particular to an intelligent padlock which is driven and unlocked by a memory metal wire. Background technique [0002] Electronic locks currently on the market mainly include the following categories: button-type electronic locks, dial-type electronic locks, electronic key-type electronic locks, touch-type electronic locks, and biometric electronic locks. Compared with traditional mechanical locks, the characteristics of the above-mentioned electronic locks are: safe, reliable, and extremely confidential. However, the current electronic locks all have electromagnets, which not only lead to complex structures, but also increase production costs, and the driving of the electromagnets also requires a larger power supply. [0003] Memory wires can be stretched by as much as 8 percent at low temperatures and return to their original shape when heated, but fail after a relatively small number of bac...

AI Technical Summary

Problems solved by technology

The position of the lock gate set by the action of the memory metal wire allows or blocks the movement of the lock bolt that affects the unlocking and locking, but the electromechanical lock using this structure realizes unlocking by pulling the lever with the memory metal wire, and the structure is relatively complicated; the memory metal The length of the line is limited by the structure, and it is difficult to achieve its optimal use state

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