A kind of mechanical combination lock with double security structure
A mechanical combination lock and double insurance technology, applied in the field of mechanical combination locks, can solve the problems of poor user experience, poor anti-theft security, and easy passwords to be stolen by others, achieving high difficulty in cracking, high security, and good use effect. Effect
Active Publication Date: 2022-05-13
天津中合晟能源科技有限公司
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Problems solved by technology
[0002] The mechanical combination lock is a fully mechanical combination lock with a large key quantity and high reliability without electronic devices; the existing mechanical combination lock usually only has a single lock cylinder structure, and it is easy to be stolen by others after the password is leaked; keep public secrets Items, anyone who knows the password can open the lock, the anti-theft security is poor, and the user experience is not good
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] It should be noted that, in the description of the present invention, terms such as "middle", "upper", "lower", "horizontal", "inner" and other indicated directions or positional relationships are based on the directions or positional relationships shown in the drawings. The positional relationship, which is just for convenience of description, does not indicate or imply that the device or element must have a specific orientation, be constructed and oper...
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The invention provides a mechanical coded lock with a double insurance structure, which belongs to the technical field of mechanical coded locks and aims to solve the problem that the existing mechanical coded lock has only a single insurance, and the password is easily stolen by others after the password is leaked, and the security is poor; it includes a casing , the first lock core, the second lock core and the lock tongue; the first lock core and the second lock core are respectively fixedly arranged on the outer shell; the lock tongue is movably placed on the outer shell; the machine of the present invention The password lock has a double insurance structure, which adopts the combination mode of password unlocking and key unlocking, which has higher security. The storage of confidential documents needs to meet two unlocking conditions at the same time before they can be unlocked, which is convenient for storing public items, difficult to crack, and better in use.
Description
technical field [0001] The invention relates to the technical field of mechanical combination locks, in particular to a mechanical combination lock with double safety structures. Background technique [0002] The mechanical combination lock is a fully mechanical combination lock with a large number of keys and high reliability without electronic devices; the existing mechanical combination lock usually only has a single lock cylinder structure, and it is easy to be stolen by others after the password is leaked; keep public secrets When the item is locked, anyone who knows the password can open the lock, the anti-theft security is poor, and the user experience is not good. Contents of the invention [0003] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a mechanical combination lock with a double insurance structure, which adopts the combination mode of password unlocking and key unlocking, which has higher security...
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IPC IPC(8): E05B37/00E05B15/00
CPCE05B37/0031E05B37/0048E05B15/00
Inventor 陈炳旭陈成王晓炜陈德明
Owner 天津中合晟能源科技有限公司