Secret key and lock matched with same

Abstract

The invention discloses a secret key and a lock matched with the same. The secret key comprises a key, a lock body and a lockhole block, wherein a hidden telescopic key bit assembly is arranged in thekey and comprises a telescopic chute which is formed in the key and opens rightwards, a key bit capable of sliding left and right is arranged in the telescopic chute, a first spring is fixedly connected with the left end of the key bit, a clamp block part is arranged in the inner wall of the upper side of the telescopic chute, and a first clamp block is arranged in the clamp block part. The secret key and the lock matched with the same are more reasonable and more ingenious in overall structure, the key is matched with the lock by means of two times of telescoping of different lengths, and the unlocking process is enabled to be complicated; the secret key and the lock have benefits that even though a person gets the key and knows secret codes, the lock cannot be opened correctly probably,so that the overall safety is improved, and the key and the lock have higher use and popularization values.

Description

technical field [0001] The invention relates to the technical field of keys and locks, in particular to a coded key and a matching lock. Background technique [0002] The key is a commonly used unlocking tool in people's life. The materials used to make the key are mainly copper, zinc, aluminum, iron and other metals. The invention of the key is later than the lock. It has appeared in ancient Egypt since 4000 years ago. There are many types, including ordinary keys, smart keys, remote keys, electronic keys, etc.; locks refer to objects that can be opened and closed with keys or passwords. Keys and locks are generally used in conjunction, but ordinary keys are not only the key head It is easy to be worn or bent, and it is easy to be copied by people so that situations such as theft occur. Therefore, there is an urgent need for a combination key and a matching lock that cooperates with a combination and also has requirements for the unlocking method. Contents of the inventio...

AI Technical Summary

Problems solved by technology

[0002] The key is a commonly used unlocking tool in people's life. The materials used to make the key are mainly copper, zinc, aluminum, iron and other metals. The invention of the key is later than the lock. It has appeared in ancient Egypt since 4000 years ago. There are many types, including ordinary keys, smart keys, remote keys, electronic keys, etc.; locks refer to objects that can be opened and closed with keys or passwords. Keys and locks are generally used in conjunction, but ordinary keys are not only the key head It is easy to be worn or bent, and it is also easy to be copied and stolen. Therefore, there is an urgent need for a combination key and its matching lock that is used with a combination and has requirements for unlocking methods.

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