The security door is locked in the room, and it can t be opened

1.The spherical lock will be reversed, the person is locked in the room can not go out or enter, with the key can not be opened, that is the oblique tongue lock latch off hook failure, the grip idling can not drive the oblique tongue when the person is inside: find a small wire in the place located in the neck of the grip There is a small hole, insert the flat tenon grip and pull it out at the same time, grasp the handle and pry open the cover, there are two fixing screws to turn open, the lock body is pushed out only when the oblique tongue is left, and then find a needle-nose pliers or a flat screwdriver, and the oblique tongue will drive the hook to the horizontal dial and do not let go, After letting go, it will bounce back, Push the door open again. >>>More

If your home security door lock is a mortise handle lock. >>>More

If your security door key can be twisted and locked, but it can't be opened, it means that there is a problem with your lock, you can remove the lock, and then pull the lock directly out of the lock hole to open. >>>More

You try to change the key, but if it doesn't work, the lock cylinder is broken; If the lock cylinder is broken, it will have to be replaced. You can also change it yourself, just a few screws, and it's easy to change.

If you are sure that the anti-lock can't be opened, it's better to find a lock company. It's hard to get it if you don't understand this.