Antirust door lock

Abstract

The invention discloses an antirust door lock. The antirust door lock comprises a lock body, wherein an oil injection channel is formed in the lock body and communicates with the top of an upper marble groove through a plurality of branch channels; and a spring and an upper marble are arranged in the upper marble groove. According to the antirust door lock, parts such as the lock body can be prevented from rusting, the service life of the door lock is prolonged, and the door lock can be quickly lubricated even if the door lock is rusted.

Description

technical field [0001] The invention relates to a door lock, in particular to an antirust door lock. Background technique [0002] Door locks are basically made of metal materials, and the nature of metal is that it is easy to rust, especially in wet places. In addition, if the door lock is not used for a long time, the lock cylinder in the door lock, including pins, springs, etc., are prone to rust, even if the correct key is used, it is difficult to open the rusty door lock. Sometimes you have to use brute force to break the lock. Experienced old people usually use the method of dipping oil on the key and then inserting it into the keyhole to unlock, so as to increase the lubrication effect, but sometimes it is impossible to open the heavily rusted lock. Bring serious inconvenience to people's life. [0003] Therefore, those skilled in the art are devoting themselves to developing a rust-proof door lock, which can effectively prevent the door lock, especially the intern...

AI Technical Summary

Problems solved by technology

Experienced old people usually use the method of dipping oil on the key and then inserting it into the keyhole to unlock the lock to increase the lubrication effect, but sometimes they cannot open the heavily rusted lock.

brought serious inconvenience to people's lives

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