Door lock capable of preventing key from being left due to neglect

Abstract

The invention relates to a door lock capable of preventing a key for being left due to neglect. The door lock is characterized in that a miniature pressing switch is arranged in the lock body of the door lock; the miniature pressing switch is arranged on the upper part of one lock cylinder groove n in the lock body and is in contact with a spring; a groove opening in the upper part of the lock cylinder groove is formed from an inner part to the surface of the lock body; the miniature pressing switch is connected between connectors of a voice module or a music module through a conductor; the output end of the voice module or the music module is connected with a loudspeaker; the voice module or the music module can be connected with a battery; an electrode of one end of the voice module or the music module is grounded; the voice module or the music module and the loudspeaker are arranged in a small plastic box; and the small plastic box is fixedly arranged in the door lock.

Description

technical field [0001] The invention relates to a door lock capable of preventing keys from being forgotten. Background technique [0002] Unlocking the door and locking the door when going out, this is what people have to do, but in society, some elderly people are forgetful, or some people often think about other things when they go out, and when they go in and out of the room, the key is inserted in the lock hole Forget to pull out and leave, and the key is hung outside the door-bringing opportunities for criminals. It is often heard that forgetting to pull out the key causes family property theft. In order to better prevent theft, people are constantly designing some new locks that can prevent theft. [0003] The present invention aims to design a door lock that can prevent forgetting to pull out the key. Contents of the invention [0004] The task of the present invention is to provide a door lock that can prevent the key from being forgotten. The lock body is prov...

AI Technical Summary

Problems solved by technology

[0002] Unlocking the door and locking the door when going out, this is what people have to do, but in society, some elderly people are forgetful, or some people often think about other things when they go out, and when they go in and out of the room, the key is inserted in the lock hole Forget to pull out and leave, the key hangs outside the door-brings opportunities for criminals, it is often heard that forgetting to pull out the key causes family property theft

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