Safe key and lock

Abstract

The invention discloses a safe key. The safe key comprises a key body extending left and right. A containing cavity is formed in the key body. A plurality of through holes formed from left to right are formed in the upper cavity wall of the containing cavity. A plurality of secret key bodies which correspond to the multiple through holes in a one-to-one mode and are provided with arc surfaces or conical surfaces at the upper ends and a plurality of coding blocks are arranged in the containing cavity. The coding blocks are located between the secret key bodies and the lower cavity wall of the containing cavity. The number of the coding blocks is greater than that of the secret key bodies. The heights of the coding blocks are different. The heights of the parts, extending out of the throughholes, of the top ends of the secret key bodies are different according to the different heights of the coding blocks abutting against the secret key bodies. Due to the fact that the extending heightsof the secret key bodies are controlled through the coding blocks, users can purchase and assembly the coding blocks, the secret key bodies and the key body by themselves, and a series of unsafe defects caused by the situation that the users give the key to strangers are overcome. The invention further provides a safe lock. The lock has the function of lock bumping prevention by modifying an existing lock.

Description

technical field [0001] The invention relates to the field of locks, in particular to a safety key and a lock. Background technique [0002] To match a new key, it is often necessary to go to a small street shop outside to make it. However, handing over the keys related to one's own property to a stranger, and a stranger who has the ability to distribute the keys, is a very heavy psychological burden, and if you encounter some criminals, it is easy for the keys to be copied illegally, giving Property poses a very large security risk. Especially in some safes or warehouses where important and expensive items are placed, cases of people who have access to the keys copying a key for theft occur from time to time. [0003] The existing tumbler lock can be unlocked by bumping the key or hooking the tumbler with a hook, which makes the tumbler lock very unsafe. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a safety...

AI Technical Summary

Problems solved by technology

However, handing over the keys related to one's own property to a stranger, and a stranger who has the ability to distribute the keys, is a very heavy psychological burden, and if you encounter some criminals, it is easy for the keys to be copied illegally, giving Property poses a very large security risk

Especially in some safes or warehouses where important and expensive items are placed, there are cases where people who have access to the keys copy a key and use it for theft.

[0003] The existing pin lock can be unlocked by bumping the key or hooking the pin with a hook, which makes the pin lock very unsafe

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