What should I do if the door key can be turned and pulled out?

Prepare some oilCooking oilYou can also use chopsticks or some fine items to dip a little oil on the keys and keyholes。After repeating this a few times, try to turn the plug and unplug key, if it doesn't work, and then apply some oil, the oil will seep into the depth of the lock cylinder after repeating it a few times, so that the key can be inserted and unplugged normally.

Twist the head in the direction that can be screwed, and then quickly screw it back, press it hard inward, and it will come out after a circle. If you still can't pull it out, you can try to see if the direction is correct, and if you still can't pull it out, you can ask for the help of a locksmith.

Information about the lock

The earliest locks were simple mechanisms set up by the owner to prevent others from opening them, and the simplest lock applied to the door was the latch. In ancient China, there were stone locks, without keys, and were bound by ropes or chains. During the Shang and Zhou dynasties, the means of production were privately owned.

further development, the gap between the rich and the poor.

further exacerbated social contradictions.

At the same time, the smelting technology matured and was immediately applied to the lock-making industry.

There are copper locks and iron locks that can only be opened with a key, and different locks match different keys depending on the key. With the rapid development of science and technology, mechanical locks have also made great progress. Modern mechanical locks have a history of more than 100 years, and the lock cylinder is filled with marbles of different lengths, which should be opened with a key with corresponding toothed shapes.

Later, it developed into combination locks, magnetic locks, electronic locks, laser locks and so on. On the basis of the traditional key, one or more sets of passwords, different magnetic fields, different beam light waves, and different images are added. Such as fingerprints, fundus retina.

etc.) to control the opening of the lock.

Try spraying the all-purpose lubricating rust remover while shaking the key.

You can use a syringe to draw a small amount of lubricating oil and align it with the groove of the key, slowly inject a small amount of lubricating oil, and then try to gently turn the key a few times to lubricate it evenly, and then inject a small amount of lubricating oil into the groove on the other side of the key, and turn the key several times.

Door locks can be divided into different types such as ordinary mechanical locks, smart locks, etc. When choosing a door lock, everyone should choose the right door lock according to their own economic situation, for example, smart locks can be selected if the economic budget is high. If you have an economic budget, you can generally choose an ordinary mechanical lock.

When choosing a smart lock, you also need to pay attention to whether the lock panel will leave fingerprints, whether the lock is protected by a false password, whether it can be charged with a power bank, etc.

I've had the same problem, the key can be turned but can't be pulled out. Later, I used a needle to inject some edible oil into the keyhole and pulled it out.

The amount of lock cylinder is too large, the lock cylinder refers to the core that rotates together with the key, you only need to press the core with your fingernail, and the key can be pulled out by turning to the place where the key is inserted.

It is possible that the screws fixing the lock cylinder are loose and the paddle does not return to its original position, you can try to use the key to turn to the horizontal or vertical position and pull it out, and adjust the angle slightly when dialing out.

Look closely at the key to see if there is a protrusion, or notch, and pull it out by facing the keyhole.

The key of the anti-theft door can be turned, but what should I do if I can't pull it out.

If the lock cylinder does not rotate, it proves that there is a problem with the lock cylinder. Generally, the main function of the lock cylinder is to transmit torque from the head, and then drive the other parts of the lock, so that the lock can be opened and closed, and the specific reason why the lock cylinder cannot be rotated is checked first. If the lock core marble, astringent key and slip are stuck, you can use rust remover, spray into the lock hole and then move the key.

Ask questions about how to solve them.

First, use the cleaning agent to clean the lock cylinder part repeatedly while shaking the key, and clean it many times and ask if there is any other way.

Is there any other way.

It's faster to change the lock directly.

The key can't be pulled out.

I can't open the lock, and I can't remove it.

Or use a rust remover for cleaning.

The cleaning process replies by turning the key

This one is in trouble ......

I've experienced ...... firsthandAy.

The key inserted in the door was turned by a shock when the door was closed, you should understand the meaning, that is, the ...... was locked insideDo you think it's possible to open up outside.

The most practical and effective way is to find a locksmith to find a locksmith who has a record, because the lock cylinder ...... to be changedAy.

It's very simple, use a special lock lubricating oil to drop a few drops to remove rust coolly, smooth.

Most of the well-known lock factories such as Escola use fully synthetic lock lubricants from Hotolube or Kluber. Fully synthetic base oil production, clear and transparent, colorless and odorless, low temperature resistance, no dust. Tao is full of 30 ml needle-nosed small oil bottles, drop a few drops, easy to use.

The service interval is six months.

Mineral oil should not be used because of its high viscosity and easy contamination with dust. It is also not suitable to use pencil end or black graphite lubrication, which cannot lubricate the internal parts, and there will be heavy metal and color pollution.

Find a lock picking company, if you don't want to slam the door. In your case, don't waste your efforts.

Call 119, ask the fire uncle to cut the gate first, and then use the big iron tongs to slowly clamp the lock cylinder open, and then drop a few drops of uniform lubricating oil to try?

Is your world spinning?