Buyang Zimu anti theft door opening and closing door is noisy

Four kinds of questions:

1: Rub the edge of the door frame and the door leaf.

2: Friction between the lower door frame and the lower door leaf.

3: You can clearly see the traces of friction between the door frame on both sides and the edge of the door leaf on both sides (especially at the hinge).

4: The hinge lacks oil.

Solve the problem: 1. If the top is rubbed, loosen the upper two or one hinge a little, (or close the bottom two or one hinge a little).

2. Rub on the left. Collect the hinge in the middle, rub it on the right, and loosen the hinge a little.

3. The hinge is short of oil, find a wooden stick (lever principle), lift the door leaf up about half a centimeter, and apply oil to it (find a straw, suck it in and put it on).

After the door is closed, what is going on at the latch office?

Answer: The squeak when the door is opened and closed is generally caused by rusty hinges, you can smear some lubricating oil on the hinge of the anti-theft door, usually if there is regular maintenance, these problems will not occur, in addition, it may be caused by loose adhesive strips, hinges, etc., and the hinges need to be reinstalled to solve. Second, how to buy household security doors 1, ask the thickness of the purchase of security doors, you need to pay attention to the actual thickness of the door plate, the naked eye is generally seen, you can ask the shopping guide, how thick the door plate, if the plate is lower, it can not be purchased, this thickness of the security door is easy to be destroyed, there is no safety guarantee.

Question: A squeak at the door hinge of the door.