To talk about the best partner for the door, it must be the door lock. The combination of the door and the door lock can bring security to the house and privacy rights to the residents, but what if the door lock is broken? ? In fact, as long as you know how to change the lock, the first is how to remove the door lock? If you plan to change the lock, you must first understand the principle of how to remove the door lock. In addition to removing it, you must also know how to install it. The following editor will lead you to find out.

　　How to remove the door lock

　　How to remove the door lock, the handle lock

　　 1. Unscrew the screws that fix the lock core on the panel first, and then remove the lock core.

　　2. Then unscrew the remaining two screws on the panel, and the two panels can be taken off.

　　3. The screws on the side lock body of the door are also unscrewed and removed.

　　How to remove the door lock of the spherical door lock

1. Look at the handle of the lock in the direction opposite to the inside. There is a small hole in the small part of the handle. Insert a hard and thin object (such as an iron nail) to resist it, and pull the handle ball out. .

　　2. Turn the disc that is stuck on the door counterclockwise, and you will see two screws. Remove them with a cross-tied wire knife. You can pull out the center of the ball from the outside.

　　3. The lock can be pulled out by removing two tired wires from the door.

　　How to install the door lock

　　1. When installing the door lock, according to the product manual, first paste the newly purchased door lock paper or cardboard fixed distance template (provided by the manufacturer) on the door side at an appropriate position.

　　2. Use an electric drill with a hole saw to drill the lock core according to the specified size. The drill tip should penetrate the other side of the door, and then the other side of the door will complete the drilling. (Note: Do not damage the finish on the other side of the door)

　　3. Drill a comfortable lock bolt hole on the side of the station until it connects to the key core hole (keep the drill tip at a right angle to the door). Use sandpaper to smooth the edges of the holes.

　　4. Insert the bolt into the hole, fix it, and draw the outline of the bolt plate.

　　 5. Insert the bolt and the bolt plate into the mortise with a chisel, drill the screw assembly hole, install the screw and fix it in place.

　　6. ​​Insert the outer lock core, make the lock core shaft or connecting rod fit the bolt assembly, insert the inner lock core, and fix it with screws.

　　7. Determine the correct position of the bolt on the door frame, drill a hole of appropriate size to fix it, (when installing the bolt with screws, make it level with the door frame.) You're done.