The problem of squeaking can be solved by tightening the screw used to fix the hinge with a suitable screwdriver. Lubricating oil can be dripped: if the hinge is rusty or has not been used for a long time, it will squeak when it gets stuck. We just need to drop some lubricating oil at the hinge opening and closing position, and then open and close it several times repeatedly until it is fully lubricated, and the noise can be solved.

A device for connecting or rotating, through which a door, cover or other swinging part can rotate, usually consisting of a pair of metal blades connected by pins.