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Anonymous users2024-01-24Equipped with an anti-theft lock, it can resist abnormal opening under certain conditions within a certain period of time, and has a certain safety protection performance and meets the corresponding anti-theft security level. The full name of the security door"Anti-theft security door"。It has both anti-theft and security.
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Anonymous users2024-01-23It can be opened from the inside with a key.
How far can the downward pressure be opened now, and can the small lock house be retracted? Isn't the handle loose inside and not flat? It is estimated that the handle is broken.
This kind of lock is a double quick lock, that is, the door is locked from the inside and outside of the door without a key, and the door is locked immediately by lifting the handle up, which is convenient and fast. You must take the key to enter the door outside, and you only need to press down on the handle to open the door in the house, even if you lock it. This makes it easier to escape.
Summary. Check if the circlip of the handle is broken.
Check that the square pin inside is not falling off. If the lock body can be opened and closed normally from the inside, then there is no problem, the password anti-theft door, after closing the door, lift the handle from the outside up What is the problem? >>>More
The door lock is stuck, and you have to pull the door into the door to open it.
There are two situations in the following situation: you can use the key to reverse the lock from the inside, and you can dial a dao through the key >>>More