My security door is a doorknob that is lifted up, and as a result, I can continue to screw it when I

The deadbolt came loose and was not repaired in time. It's easy to get a repairman to fix it.

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

It should be that you are not lifting the handle in place, if it is in place, it is very easy to open it with the key, you can try to lift the handle again, if there is someone in the house, it is better, re-lift the handle and press it again, and then use the key to lock it and try it, it should not be a big problem.

Two scenarios:

First: ordinary dead handle, tools are required, screwdriver (clubs and slots) vice, adjustable wrench, small hammer. First of all, remove the handle, the first step is to see a coin-sized screw cap to remove it, there is a spacer below to remove it at the same time, the second step is to knock the spacer flat with a small hammer, and at the same time knock the handle to the position of the gasket flat (the purpose is to make the gasket and the handle paste seamlessly) and finally tighten the screw OK (pay attention to whether to open the door or the right door, do not reverse the direction of the handle when you go up. >>>More

1.Iron anti-theft door handle: win by price, the market is more common is the iron anti-theft door, the price is between 700 yuan and 1200 yuan, due to different models and styles, there is a slight float. >>>More