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How to use the safety door lock correctly
Door locks are an important necessities of life. The price of locks usually ranges from tens to
hundreds of pieces, depending on the material and safety of the locks. The safety door is a door
that has certain safety protection performance and meets the corresponding anti-theft security
level. So how do we use the security door lock correctly?
Security door unlock:
1. First of all, the key is to gently insert the key into the keyhole, and then use some outside, the
strength of the hand is not too big, the top two locks. Sometimes we will encounter the security
door lock unlocking and maintenance of the key is horizontal, proving that it can be topped out.
2. If there is no response to the safety door lock unlocking and maintenance, remember not to use
the hammer or brick to knock. You need to pull out the key and proceed to step one again.
3. If you can't open the safety door lock at this time, you need to check if the key is correct, or if
there is anything blocking the door lock.
4. Then use your own hands, usually right hand, so that some force to the reverse handle of the
safety door lock, and then push forward. If it doesn't work, you can only use some tools such as
pliers to unlock it. It is not recommended that this method is not recommended. This method
destroys the intermediate structure of the lock cylinder of the safety door lock.