Removal of the door handle
1. The old-fashioned spherical handle lock has the same internal structure as the ball lock, replacing the outer spherical handle with a handle, so it is called a spherical pressure handle lock. You can't change the lock cylinder. If it is broken, you can just replace it with a spherical lock. According to your photo, it should be equipped with a long-core lock tongue. You can remove the lock and take the body to the surrounding hardware store. There are miscellaneous brands. a lot of. The good quality ones are intended for Li atoms and gold dot atoms, but you should not be fooled by their packaging. The packaging is very high-end, and it is not much more expensive than ordinary ball locks. It was won around 50.
2. Look carefully at the end where you do not insert the key. There is a small hole on the shaft. If you poke it with something, the handle inside can be easily pulled out, then unscrew the disc, and then the whole The lock can be removed. Related answer: Snap down the red and blue round label on the handle with a wallpaper knife, and you will see a screw inside. Unscrew the screw and remove the handle to see the valve core inside. Then buy a ceramic valve core of the same size on Taobao. The price of the valve core is about 30 yuan.
3. What about other handle door locks? First, use a Phillips screwdriver to remove the upper and lower screws on the inside of the door; just take off the panel handle. Take off the lock cover; then remove the lock cylinder fixing screw on the side lock body (that is, the side of the lock tongue), and then pull out the lock cylinder. If the lock cylinder is too tight, tap one end of the lock cylinder with a screwdriver to pull out the lock cylinder.
4. Summarize the disassembly method of the handle door lock: first disassemble the handle, then disassemble the lock cylinder, and then disassemble the lock body. Remove the panel where the screws cannot be seen. Remove all the visible screws at the back, then remove the lock cylinder, and pull the lock tongue back to open it.
5. In some cases, due to the gravity of the door leaf itself, or the reason of the door leaf, the door leaf sinks, and the door locks or the door does not open smoothly. At this time, it is often difficult to open and lock the door with a key. At this time, do not twist the key forcibly, so as not to break the key and increase the trouble.
Correct solution: You should check the cause first. If the loose leaf causes the door leaf to sink, the loose leaf should be fastened with screws. If the door frame is deformed or the reason is irreversible, you can start from the door frame and expand the latch accordingly, so that the door lock can open and close the door smoothly.
