The security door at home is locked, and it can t be opened inside and out, what should I do?

Call the lock, or the whole door will break.

1. When people are in the house, take a small wire and insert the flat tenon grip and pull it out, take the grip off and lift the cover, there are 2 fixing screws to unscrew it in the way, and when the lock body pushes out the remaining oblique tongue, take a needle-nose pliers or a flat mouth screwdriver, and drive the oblique tongue to the horizontal dial and do not let go.

2. When people are outside the house, you can find an olecranon pliers or water pipe pliers, clamp the grip and twist it vigorously, turn the grip and lock cover to the left and take it out, and then knock the lock body inward to see the oblique tongue, and then find a needle-nose pliers or a flat screwdriver, push the oblique tongue to the horizontal dial and can't let go, and it will bounce back after letting go, and then push the door hard. In case of emergency, this method can be used, if it is because the lock has failed, it is recommended to find a professional or call the police for help.

3. If the lock is stuck by something, the handle and key are very difficult to twist open, if the door is open outward, the door can be pulled inward; If the door is open inward, push the door outwards to reduce the jam force and easily twist the door.

4. If it is an auxiliary lock, the screw fixed by the deadbolt is loose and protruding, and the door frame cannot be opened. At this time, you can find a flat screwdriver and dial the protruding screws back inside from the crack of the door.

5. If it is a horn lock, the door lock suddenly cannot be opened, it is likely that the lock diagonal tongue falls off and the fault occurs, in this case, the lock screw can be opened, the lock tongue can be repaired, or the new lock can be replaced, etc., the door lock can be opened.

Can't open it inside and out? No, you can't open it, how can you not open it if you have a key.

You can do it if you pick the lock.