Single Clutch Cam Mechanism for Fingerprint Lock

Abstract

The invention relates to a single clutch cam mechanism of a fingerprint lock, and relates to the field of anti-theft locks. Only a shift pin provided with a clamping block is arranged in a clutch of acam mechanism of a lock, and then the clamping block is used in cooperation with positive and reverse slideways, an end opening, a boss of a cam ring and a notch of an unlocking thumbwheel at the same time, so that the functional requirements of various unlocking modes are met. When the clamping block just withdrawns from the notch, a certain clearance is kept between the clamping block is and the side face where the clamping block is located of the positive slideway to ensure that the clutch can be automatically and completely separated, the structure is simplified, and the performance is safe and stable. Through the way that a locking column and a reset column, a locking column channel and a reset column channel are overlapped mutually in the vertical direction, and a reset device is forced by arranging a rotating ring so as to overcome the space shortage and reduce the cost. By processing and reassembling the lateral part and the inner part of a driven ring separately to form an integral structure, the problem of difficult processing and high processing cost of the sliding ways of the shift pin are solved.

Description

technical field [0001] The invention relates to the field of anti-theft locks, in particular to a single-clutch cam mechanism of a fingerprint lock. Background technique [0002] Fingerprint locks include automatic fingerprint locks and semi-automatic fingerprint locks. In my country, automatic fingerprint locks are relatively rare. Foreign developed countries pay more attention to the convenience of products, and fully automatic fingerprint locks account for a relatively large proportion. The so-called fully automatic means that the door can be opened directly without pressing down the handle after fingerprint recognition, and the door can be automatically locked without lifting the handle after closing the door. [0003] Fully automatic fingerprint locks are divided into two types according to the way of driving the lock tongue: one is a fingerprint lock that uses a self-elastic lock body as a fashion representative, but it is not yet mature and its stability needs to be...

AI Technical Summary

Problems solved by technology

[0018] In order to overcome the disadvantages of the above-mentioned patented technology, the present invention provides a single-clutch cam mechanism for fingerprint locks. The structural characteristics of the camshaft idling mechanism that maintains the bead diameter of 8 mm and the radial layout of the bead and bead spring remain unchanged. Under the premise, the clutch is only equipped with a shift pin with a block, which is assembled with the shift pin slideway on the driven ring and the push spring of the shift pin, and then the block is simultaneously connected with the positive position of the cam ring. , the reverse slideway, the port, the boss and the opening of the unlocking dial are used together to meet the functional requirements of various unlocking methods; the clutch is still normally open, and when the block just leaves the opening, it slides forward with its position. There is still a certain gap on the side of the road, and the clutch can be automatically disengaged at any time or any position other than the uninterrupted pressing of the handle; through the locking column and the reset column, the locking column channel and the reset column channel in the vertical direction In the way of partially overlapping each other, a forced reset device for the rotating ring is provided to solve the problems of insufficient space and cost reduction; by processing the outer part of the driven ring and the circular shaft part on the inner side separately and then assembling them into an integrated structure, it solves the problem of hanging Problems such as difficulty in processing the slideway of the stop pin and high processing cost

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