If the quality of the anti-theft door lock is not good enough, it will bring losses to the economy. The potential problem still occurs in the quality of the lock industry, but it has to be admitted that there are still problems, and the use of locks in the hardware market is now very widespread. Including the lack of some basic knowledge of locks, that is, people's knowledge of locks, when encountering some small lock problems, they will find professional unlockers to solve them. This means that people's knowledge of locks is relatively shallow. Today, the masters of lock manufacturers teach us the purchase skills and maintenance methods of locks:

Customers should be clear that the lock they need to install is in the field and when selecting the lock cylinder. If it is an outdoor door, if you want a higher safety factor, it is recommended that we choose more than 6 lock cylinders for the lock cylinder. If it is indoors, a simpler lock cylinder is generally enough. We can choose a coin slot lock cylinder without marbles or a lock cylinder with less than 6 pieces.

The anti-impact and anti-blocking function of the lock is mainly to improve theft prevention. Usually, the door locks of the household are mainly made of multi-method lock tongues. If it is indoors, you can choose a double tongue lock body or a single tongue lock body.

After the door lock device is completed, it feels very laborious when closing the door. The locksmith of the unlocking company also reminds the customer that the gap between the door leaf and the door frame cannot keep a certain rule. Maybe the size of the door leaf and the door frame is different. The phenomenon of the door leaf being squeezed tightly.

Usually the brass padlock types lock cylinder has been used for a long time. You can apply some lubricating oil in it. It is easy to leave an oxide layer on the surface. Graphite powder may be pencil powder to help eliminate the oxide layer. The key is not smooth, and the lock is unlocked smoothly.