Key-free turntable type cipher lock

Abstract

The invention discloses a key-free turntable type cipher lock. The lock comprises a frame, wherein the frame is formed by a curve section or a plurality of vertical walls; an end cover is hinged on one side of the edge of the opening end of the frame; at least one section vertical to the vertical walls, of a baffle is arranged on the edges of the vertical walls of the frame; a step structure which is raised from the inner surface is arranged on the inner surface of the end cover; at least one cipher mechanism is arranged on the end cover, and comprises a knob, an upright column and a rotating catch; the position of the rotating catch corresponds to that of the baffle; when the knob is rotated to a specific position, the straight line edge of the rotating catch is flush with the edge of the end part of the baffle corresponding to the rotating catch so as to realize unlocking; and when the knob is rotated to other positions, part of the rotating catch is clamped with the lower surface of the baffle so as to realize locking. The lock has inventive design, can realize unlocking and locking without a key, cannot be destroyed easily, is convenient to use and easy to manufacture, has wide application field, and is suitable for popularization and use.

Description

technical field [0001] The invention relates to a lock, in particular to a turntable type password lock which does not need a key to open and close. Background technique [0002] The existing locks have a relatively simple structure and are easy to be cracked. According to media reports, various existing locks can be opened only by using cards. From a security point of view, there are hidden dangers and low protection; in addition, because most locks require a key to It is more troublesome to open and use, and the consequences of losing the key are also more serious; the existing locks that do not need a key to unlock are often used on safes, and are opened by rotating the turntable to the password position. Such locks are more sophisticated and costly. It is difficult to put into use in ordinary occasions. Contents of the invention [0003] In view of this, the purpose of the present invention is to provide a key-free turntable combination lock, which has an ingenious st...

AI Technical Summary

Problems solved by technology

[0002] The structure of existing locks is relatively simple and easy to be cracked. According to media reports, many kinds of existing locks can be opened only by using cards. From a security point of view, there are hidden dangers and low protection. In addition, because most locks require keys to It is more troublesome to open and use, and the consequences of losing the key are also more serious; the existing locks that do not need a key to unlock are often used on safes, and are opened by rotating the turntable to the password position. Such locks are more precise and costly. Difficult to put into use in ordinary occasions

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