What to do if the doorknob falls off, how to fix the doorknob if it falls?

The steps to repair the doorknob falling off are as follows:The doorknob fell off and the method of installing it back:

1. First of all, the three screws on the side of the door are unscrewed, the upper and lower ones are fixed to fix the lock body, and the middle one is mainly used to locate with the handle;

2. Remove the two screws on the inside of the door, and hold the outer doorknob with your hand at the same time to avoid falling off and breaking;

3. Remove the handle and cover plate of the outer door;

4. Install the inner handle, rotate the screw hole to the outside, and then tighten it with a screwdriver to fix the doorknob.

Method:

The first step is to remove the broken doorknob, usually the doorknob of the anti-theft door needs to be dismantled on the side of the room, you only need to use a screwdriver to fix the doorknob to unscrew off, ordinary Phillips screwdrivers can play an effect, and the average family will be equipped.

The second step, when removing the doorknob is very simple and operable, when it is difficult for a person to complete, you can let your family help, the door needs to be kept open, press the outer door frame with your fingers, and remove the screws that fix the doorknob one by one with a screwdriver.

In the third step, when the screws of the doorknob are removed, you can use household open-ended pliers to open the ring step by step, and you need to be careful not to let the metal protrusion of the doorknob ring scratch yourself. If you don't have a cutter at home, you can use a slotted screwdriver instead.

Fourth, at this time, you can find that the doorknob has been removed, and the card ring is basically completed at this time, and the rest is to purchase a good doorknob and install it.

NEED NOTICE:

Whether it is an internal door handle or an external door handle, when it comes off, the entire door lock needs to be disassembled and reinstalled. First of all, the three screws on the side of the door are unscrewed, the upper and lower ones are used to fix the lock body, and the middle one is mainly used to locate with the handle.

Then remove the two screws on the inside of the door, and hold the outside doorknob with your hand at the same time to prevent it from falling off and breaking. After installing each part, use your hand to pull the handle several times to see if it is normal and whether it is firm and flexible. If it cannot be used normally, it is necessary to check whether it is installed in place or replace the lock body.

You can try this method or not. There are two kinds of revolving door handles, the fixing screws can be seen and the fixing screws cannot be seen outside, and if the fixing screws can be seen, the fixing screws at the deadbolt part are removed first. Remove the deadbolt, and then remove the screws on the baffle in the room, you can see the internal fastening structure, and the order can be disassembled.

If you can't see the lock with the fastening screws on the outside, first remove the screws on the deadbolt part, remove the deadbolt, and there is a small hole in the lock lever between the handle inside the room and the door.

Basically, the cross cone will do.

How to repair the doorknob if it falls off, it's so practical!

First, remove all the screws on the original doorknob, as shown in the figure below

2. Then remove the two screws that fix the handle, as shown in the figure below

3. After that, you can remove the whole handle, as shown in the figure below

4. Then push out the lock cylinder of the door lock to the door, as shown in the figure below

5. After that, push the lock cylinder that needs to be replaced back into the door opening, as shown in the following figure:

6. Then lock the fixed iron sheet, as shown in the figure below

7. Finally, re-lock the screws that fix the doorknob, as shown in the figure below

The correct solution for a doorknob to fall off is shown in the figure below:

1. First remove all the screws on the original doorknob, as shown in the figure below

2. Then remove the two screws that fix the handle, as shown in the figure below

3. After that, you can remove the whole handle, as shown in the figure below

4. Then push out the lock cylinder of the door lock to the door, as shown in the figure below

The doorknob fell off the solution:

1. If the doorknob in the room is broken, you can screw the three screws on the side first. The upper and lower two of these three screws are used to fix the lock body, and the middle one is mainly used to position the handle.

2. Remove the screws on both sides of the door, and pay attention to holding the outer door handle with your hands at the same time to avoid falling off and breaking.

3. After that, the handle and cover plate on the outside of the door are removed, and it should be noted in the process of disassembly that the screws on the cover plate cannot fall off and be lost.

4. Install the inside of the doorknob, and rotate the screw hole to the outside, and then use a screwdriver.

Tighten. This will secure the doorknob.

5. Check whether each part is normal and firm and flexible after installation. You can use your hand to pull the handle a few more times. If it cannot be used normally, you need to check whether it is installed in place or replace the lock body.

6. With revolving door.

There are two types of locks for the handle, those that can be seen and those that are not visible from the outside.

7. If the bedroom doorknob is loose, you should prepare the tools to remove the doorknob in advance, and you can prepare to change the cone with a word.

One and a Phillips screwdriver. It can be seen that there are three screws on the doorknob, the upper and lower screws are mainly used to fix the lock body, and the middle one is mainly used to fix the positioning of the handle. If the bedroom doorknob is loose, just tighten the middle screw.

Here's how to repair a doorknob that falls off:

1. Whether it is the internal or external door handle, when it falls off, the entire door lock needs to be disassembled and reinstalled. First, unscrew the three screws on the side of the door, the upper and lower two are used to fix the lock body, and the middle is used to fix the positioning of the handle.

2. Then remove the two screws on the inside of the door, and hold the handle of the outer door with your hand to avoid falling off and breaking.

3. Finally, install the inner handle, screw the screw hole to the outside, and use a screwdriver.

Tighten it to secure the doorknob. After installation, pull the handle with your hand to see if it is normal, firm and flexible. If it cannot be used normally, check whether the nuclear calendar is installed in place or replace the lock body, and be careful not to lose the removed screws.

How to disassemble the revolving door handle

1. Internal disassembly

If the revolving door handle is damaged and needs to be disassembled, prepare the tools first, and then read the installation instructions to understand the general structure. Remove the fixing screws with a tool first, and then remove the bolts. Remove the screws on the retaining bridge plate in the room at one time, and you can see the internal fastening structure at this time, which is the real disassembly, dismantling in a certain order, and there are special circlips in some places.

You need to use circlip pliers to remove it, if not, you have to prepare it yourself in advance.

2. External disassembly

There is a small hole in the lock bar between the handle and the door in the room. Buy a lock accessory or find a pointed-toe object, insert it directly into the eyelet and click on it. Pull the head of the doorknob outwards and turn it to remove it.

Finally, turn and remove the fixing metal plate of the lock lever near the door, exposing the two fixing screws. The entire lock can be removed from the outside of the room by removing the screws and fasteners.

The handle on the door can be replaced if it is dropped, and the specific steps are as follows:

Preparation materials: a Phillips screwdriver, a set of corresponding door locks.

1. First remove all the screws on the original doorknob, as shown in the figure below

2. Then remove the two screws that fix the handle, as shown in the figure below

3. After that, you can remove the whole handle, as shown in the figure below

4. Then push out the lock cylinder of the door lock to the door, as shown in the figure below

5. After that, push the lock cylinder that needs to be replaced back into the door opening, as shown in the following figure:

6. Then lock the fixed iron sheet, as shown in the figure below

7. Finally, re-lock the screws that fix the doorknob, as shown in the figure below

8. In this way, the doorknob is installed, as shown in the figure below

What is the solution for a doorknob to fall off? The solution to the doorknob is to reinstall it, and the installation method is: 1. Unlock the central control; 2. Pry open the screw cover with a flathead screwdriver, and remove the screws in the counterclockwise direction with a Phillips screwdriver; 3. Use a flathead screwdriver to remove the handle decorative shell and the screws inside; 4. Remove the door trim; 5. Remove the small speaker cable and the inner pull wire; 6. Reinstall the doorknob.

Types of door handles: 1. Solid handles: The main feature of solid car door handles is that the handles are thick, and they are not used very much in modern society; 2. Hollow handle:

This kind of automobile door handle is hollowed out on the back of the handle in the design, which solves the shrinkage of the surface of the traditional handle and improves the deformation and bending of the handle; 3. Hollow handle: The hollow handle is hollow in the middle, and the mold of the hollow car door handle is complex, which makes it more difficult in terms of process, and the product produced is more practical. @2019

If the doorknob is off, you can temporarily use AB glue to glue the doorknob back again, but the use time will not be too long, you can prepare a new doorknob, remove all the screws on the side of the door, and then install the new doorknob, tighten the screws, or directly replace the door lock, or find a professional to help deal with the doorknob.

If the doorknob falls off and the lock cylinder is fine, you can clean the broken part of the door opening handle, and then use AB glue to glue the doorknob back again, don't apply it to the lock cylinder, you need to hold the doorknob with your hand, wait for the AB glue to solidify, and then apply an appropriate amount of glue to play a stable role.

If you use AB glue to glue the door handle, after a period of use, it will still break, you can unscrew the three screws on the side of the door, and the two screws on the inner side also need to be removed, hold the outer door handle with your hand, remove the door lock cover, install the new handle quietly, and re-tighten the screws.

In fact, you can also prepare a new door lock, remove all the old door locks, and then follow the instructions of the new door lock according to the door lock, do not install the door lock in reverse, otherwise it will be particularly troublesome to remove it again, if you will not install the door lock, you can also ask a professional to help deal with the door handle.