In order to prevent thieves, almost every family has installed anti-theft door locks. It is inevitable that there will be no problems for a long time. If there is a problem, they have to find a locksmith. The lock core can not be repaired and can only be replaced. A lock core plus five keys, 50-70 yuan. There are still many netizens who have reflected such a problem. What should I do if the security door lock is not comfortable?
What should we do for the daily maintenance of anti-theft door locks?
1. During the daily use process, the user will change the lock cylinder. When using 2-3 months, the key insertion and removal will not be smooth. Many consumers will think that there is a problem with the quality of the lock cylinder. Actually, this is a A normal phenomenon, when the problem is first discovered, immediately add some graphite powder (pencil powder) to the keyhole to lubricate. Do not add any oil as a lubricant to prevent the grease from sticking to the marble spring, resulting in the lock. The head cannot be rotated. After a long time, the security door will not open, causing trouble for your life.
2, when closing the door, it is best to hold the handle, screw the lock tongue into the lock body, then close the door and then let go, do not force the door, otherwise it will reduce the service life of the lock.
3. When the main locking tongue or the safety lock tongue protrudes out of the door, do not hit it hard to avoid damage to the locking tongue and door frame.
4. Because the sealing strip installed between the door body and the door frame has a spring force, when the door or the key is unlocked tightly, the door can be pushed or pulled by the door while the door is opened to overcome the elasticity. Do not turn the handle or key strongly. Open the door to avoid breakage of the handle or key.
5, before going out or going to sleep, don't think that someone at home will do everything, not lock the door lock, thief theft will not see if there is anyone in your family. Be sure to use the key to unlock the security door. In this way, we can play the real role of the security door and protect our property and life.
6. Always keep the lock body transmission parts with lubricant to keep the transmission smooth and prolong the service life. It is recommended to check once every six months or one year, and check if the fastening screws are loose to ensure the fastening.
7. Check the matching clearance between the lock body and the lock plate. The fit between the lock tongue and the lock plate hole is appropriate. The matching clearance between the door and the door frame is 1.5mm-2.5mm. If changes are found, adjust the position of the hinge or lock plate on the door. At the same time, pay attention to the shrinkage and thermal expansion caused by the weather (wet spring, dry in winter) to ensure the clearance between the door and the door frame, the lock body and the lock plate is reasonable, so as to ensure the smooth use of the lock.
8, the lock core should not rain, flush, because there is a small spring inside will rust failure is not flexible.