A door lock is a device used to lock a door to prevent others from opening the door. The device may be mechanical or electric, and electric power is required. It is a high-load operation part, and its service life is long. It is inevitable that there will be some troubles. In our family, the failure of the lock is often caused by improper use or maintenance.
When opening the door, do not twist the key to open the door: In some cases, due to the gravity of the door leaf or the hinge of the door, the door leaf sinks, and the door lock or door opening is not smooth. If the lock has such a problem during use, if the door leaf sinks due to loose leaf, the loose leaf should be fastened with screws. If the door frame is deformed or its cause is unrecoverable, start with the door frame and expand the lock tongue accordingly, so that the door lock switch door can resume normal and smooth.
Sometimes, people often put some lubricant when the lock is inflexible. In this way, the door lock can be smoothed, but because the oil is easy to stick, it will easily accumulate dust in the lockhole. Oil putty, which makes the door lock more prone to failure. Therefore, the use of lubricants should be adequate.
Editor in charge: Sun Gongxue
The liquid inlet/outlet adopts a ceramic hard seal structure, the liquid is in contact with the ceramic throughout the entire process, and does not touch the stainless steel jacket. The ceramic parts of the liquid inlet/outlet can be disassembled for cleaning and disinfection like the ceramic plunger rod and the ceramic reversing rod, which completely solves the problem of cleaning the dead angle between the steel jacket and the ceramic.
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