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Anonymous users2024-01-24Generally, this situation appears on the top of the lock, one is that the lock body transmission device is not easy to use, resulting in twisting and not moving, one is that the heaven and earth want to rust the rod and cause the twist to not move, these two, one is to replace the lock body, it is very difficult to maintain it yourself, and the other is to proofread the mechanical oil little by little into the several lock points of the heaven and earth rod, especially the two lock points up and down the door side of the grade A door are the most likely to have problems.
Can you take a photo of your security door lock? Do you mean positioning the lock by lock rebound?
There is no anti-theft lock on the train, but in some key parts such as the broadcasting room and the power distribution room, the hidden lock is used, which is the same as your own door.
Anti-theft door lock installation method.
1. According to the installation size of the lock body, drill and chisel the installation hole of the lock body. >>>More
Wang Li lock cylinder is notoriously non-theft-proof. The landlord is cautious!!
It is recommended that you find someone to install a door closer on the door, when the door is pushed open, the door closer will play a resistance so that the door will not close all at once, but slowly close the door, and the speed of closing the door can be adjusted.