What is the reason why the anti theft door lock can t be opened with the doorknob inside

Updated on Security door 2024-08-31
1 answers
  1. Anonymous users2024-01-24

    I can't open the oblique tongue or the straight one below. If the diagonal tongue cannot be opened, it should be that the square iron linked to the lock body and handle is lost. If you can't open the following, it's normal.

Related questions
The security door lock that opens outside cannot be opened. The doorknob inside won't turn. Only a s
1 answers2024-08-31

It should be a matter of the lock cylinder. If you don't want to change the door, you can try adding some pencil ends to the keyhole, and if that doesn't work, change the lock cylinder. This will cost a lot less than changing the door.

Is the doorknob on the outside of the anti-theft door lock alive and safe? Will it be broken?
1 answers2024-08-31

The handle is used for unlocking, it must be active, and it is generally not easy to break under normal use, unless it is deliberately damaged, but it does not affect the safety of the safe.

The anti-theft door lock is locked on the outside and cannot be opened on the inside
2 answers2024-08-31

Hello, don't worry, in this case, it is recommended that you find a professional for repair and replacement, such as contacting the anti-theft door manufacturer or finding a regular lock company (you can call 110 to consult). It's safe and secure. >>>More

The inside of the anti-theft door can be opened directly with the inside door handle after the lock,
2 answers2024-08-31

Anti-locking from the inside is to prevent the outside from unlocking. Of course, I don't like the effect inside.

Can the security door be lifted up from the inside with the doorknob?
2 answers2024-08-31

No, if you can, it's not called an anti-theft door.