What should I do if the small anti lock knob inside the anti theft door is broken

If the small anti-lock knob inside the anti-theft door is broken, it can be repaired by itself, and only ordinary pliers are needed.

Just one handful. Specific steps:

1. First open the door, bite the inner lock knob with pliers, and slowly unscrew it. This process may require some effort, so ask a man to help, be careful not to turn in the wrong direction.

2. After spinning, you will find that the tongue that is twisted out is crooked, carefully observe the direction of the skew, and use pliers to correct and pull back.

3. After that, adjust the position of the tongue and try to rotate the inner lock knob to see if you can successfully control the tongue. If you find that the knob is a little sluggish when rotating, you can continue to adjust the tongue, this is because the inner lock has not been used for a long time and is sluggish, you can try to apply some lead powder on the tongue to solve it.

Extended information: The function of the small knob in the security door:

The small knob in the anti-theft door controls a deadbolt, which can play a role in the door, and when you don't want to take the key to lock the door, you can lock the door directly with this small knob, because, if you don't install this small knob, it is easy to open from outside the door if you lock it with a single oblique deadbolt, in order to ensure safety, usually the anti-theft door will be equipped with this thing.

Precautions for the small knob inside the security door:

If the small knob of the anti-lock door cannot be screwed, it is generally because the position of the card slot in the lock is not correct, or because the anti-lock pin is bent. If the position of the card slot changes, you can readjust it, but if the lock pin is bent, you can only ask the master who changed the lock to help change the lock.

If it is a high-end handle that is more expensive, the small knob is broken, and you can ask if you can match one at the place where you bought it. If it is an ordinary handle, then buy and pay the handle to replace it.

In short, the gadget can be replaced, see if you can find the gadget, if you can't find it, you can only change the handle.

If the small knob of the anti-lock inside the anti-theft door cannot be screwed, it is generally because the position of the card slot in the lock is not correct or the anti-lock pin is bent. If you have a tool, you can take it apart and take a look, and if the position of the card slot has changed, you can readjust it.

If the lock pin is bent, then there is no way, you can only change the lock, but you must make sure that you will disassemble it, otherwise you will be troublesome if you disassemble it and can't install it, if it really doesn't work, please change the lock master to come back and help you get it.

Daily maintenance of security doors.

Be sure to wipe the dirt on the door leaf with a clean soft cloth, and pay attention to ensure that the security door is dry and protected from sun and rain. The remolded steel plate products should protect the plastic film from scratches; Spray steel plate products to avoid water or other dirt or corrosive substances that are difficult to remove to prolong the life of the security door. It is recommended not to remove the protective film on the composite panel until the film on the panel has been finished or sprayed.

Periodically pour a small pencil lead powder into the lock cylinder of the security door to ensure that the lock can rotate freely; Periodically pour a little transparent oil into the mechanical transmission of the cannon lock, and periodically wipe the lock handle or luxury handle with a soft cloth.

If the anti-lock knob in the anti-theft door is broken, open the door, bite the inner lock knob with pliers and unscrew it. Be careful not to rotate in the wrong direction. After rotating it, carefully observe whether the tongue is deformed or crooked, and pull it back with pliers according to the direction of the skew.

1. After adjusting the position of the tongue, try to rotate the inner lock knob again to see if you can successfully control the tongue.

2. If you find that the knob is a little sluggish when it rotates, you can continue to adjust the trivial tongue, or because the inner lock has not been used for a long time and the reason is sluggish, you can solve it with some lead powder on the trivial tongue.

3. To buy an anti-theft door, you must buy a product of qualified quality, otherwise it is easy to have various problems and bring a lot of trouble in the future use process.

Anti-lock maintenance method:

In daily life, if you use the key to open the security door, you find that the place cannot be carried out smoothly when it is twisted, at this time, you should investigate the cause and repair the inner lock.

If you need to repair the inner lock, you need to prepare professional tools, such as pliers, etc., to be prepared, first use pliers to fix the inner lock, and then unscrew it in the correct direction. Check the internal deadbolt for damage or deformation, and if it is completely unusable, replace the deadbolt if it is still usable.

Use pliers to restore the deadbolt to its original shape, put it in the original position of the inner lock, and check it to see if the deadbolt can still be used. After that, it is best to pour a little pencil powder or other lubricant into the inner lock to reduce the resistance the next time you turn it.

What to do if the small knob of the anti-lock inside the anti-theft door is not good to make it unscrewable: 1. Open the anti-theft door, clamp the knob of the inner lock with pliers, and then slowly unscrew it. 2. After the inner lock knob is twisted open, you can see the crooked deadbolt, check the direction of the deadbolt skewed, and then use pliers to pull it back.

3. After retracting the deadbolt, adjust its position, and then try to rotate the knob of the inner lock to observe whether the deadbolt can be controlled, if the deadbolt rotation is not smooth, it may be because it has not been used for a long time, you can apply an appropriate amount of lead powder to the deadbolt, which can solve the problem of stagnation of the deadbolt.

Summary. Hello dear, the door is locked and opened from the outside: 1. If it is a double tongue, only the lock cylinder is punched and forcibly removed, and then the lock cylinder is replaced.

2. Find a small wire or a small hole in the neck of the grip, insert the flat cotton grip into it and pull it outward, then find a sharp-nosed pin or a flat-mouth driver, and then push the door open. 3. Find a olecranon pliers or water pipe wrench, clamp the horn lock grip and twist it hard, then knock the lock body inward, and then push the door open.

Hello. Are you there.

Hello dear, the door is locked and opened from the outside: 1. If it is a double tongue, only the lock cylinder is punched and forcibly removed, and then the lock cylinder is replaced. 2. Find a small wire or a small hole in the neck of the grip, insert the flat cotton grip into it and pull it outward, then find a sharp-nosed pin or a flat-mouth driver, and then push the door open.

3. Find a olecranon pliers or water pipe wrench, clamp the horn lock grip and twist it hard, then knock the lock body inward, and then push the door open.

It's the button on the gate that's broken.

Okay pro, then it can only be forcibly demolished.

Use a tool to remove the lock from the security door.

How to dismantle it?

That twist is broken.

From the inside. Okay pro.

The twist head is broken, and the twist head and lock cylinder are replaced.

Take it apart, the card slot inside the lock may not be in the right position, readjust it. The premise is that you can get it, otherwise you will disassemble it and you will not be able to put it up, and it will be troublesome.

You can disassemble the handle, to see if the anti-lock pin rotates normally, whether there is a bending phenomenon, if it is normal, use a wider screwdriver or others as an anti-lock pin in the lock body of the anti-lock hole to try to see if the anti-lock is normal, if it can be twisted but the resistance is large, it means that there is a problem, twist the anti-deadbolt out to see if there is a bending phenomenon, use pliers to correct and then try whether it is flexible, you can add some lubricating oil to try back and forth at the anti-deadbolt, if you can't solve it, it's best to change the lock! Hope it solves your problem.

It is estimated that it is broken, and that repair is not worth it

The anti-theft door will have such a problem after a long time, whether it is a brand anti-theft door or not, such a situation will occur, but it is not a big deal, and there is no need to replace the lock cylinder, and there is no need to replace the door lock, as long as the lock is removed with a screwdriver, and the front and rear positions of the lock cylinder are adjusted, this problem can be solved. If it still doesn't work, then disassemble the lock cylinder to see if the key can start the middle part, if it can't be moved, it may be that the lock cylinder is broken, then it will be replaced, and the lock cylinder replacement will not be very troublesome. If it really doesn't work, ask the lock changer to come back and help you get it.