What should I do if I can t open the door, what is the reason why the door can t be opened?

Tell you what's the best thing to do? The best way is to call 120, and then or find a locksmith to find a locksmith like a very good back, the kind of locksmith who can be recorded, don't look for those weird and weird that he can open your door very easily. If the lock is going to be strong enough, it may open your lock in one to ten minutes.

What to do if the bedroom door won't open.

Three reasons: the first reason is that you can't open the inside with the key inserted outside The second reason, the lock plate has the function of committing theft, that is, if you go out and twist it a little more, the lock plate will ring, if a thief enters the house, he can only jump out of the window, and the big thing can't be moved. The third reason is that there is a problem inside the lock cylinder!

Fill the hole with pencil ash or wash the cylinder with gasoline.

Equipped with an anti-theft lock, it can resist abnormal opening under certain conditions within a certain period of time, and has a certain safety protection performance and meets the corresponding anti-theft security level.

The full name of the security door is "security door". It combines anti-theft and security performance. According to the provisions of the "General Technical Conditions for Anti-theft Security Doors", qualified security doors cannot be pried open within 15 minutes by using ordinary hand tools such as chisels, screwdrivers, crowbars and portable power tools such as hand drills, or open an opening of 615 square centimeters on the door leaf, or open an opening of 38 square millimeters within a semicircle of 150 square millimeters of locking points.

And the locks used on the anti-theft door must be a special lock for the anti-theft door with anti-drilling function that has been tested and qualified by the testing center of the Ministry of Public Security. The anti-theft door can be made of different materials, but only the door that meets the standard test and receives the safety product production certificate can be called an anti-theft door.

It is mainly reflected in the intelligence of its key components (locks), including various electronic anti-theft locks that have begun to be widely used, such as fingerprints, passwords, IC card locks, etc. With the advancement of technology, in addition to replacing traditional mechanical locks with smart locks, the Internet of Things security door will also be combined with smart home systems with functions such as security, home appliance control, elderly and child care, etc., and can realize functions such as network alarm, monitoring, data transmission and remote control, which are the embodiment of intelligence.

1. If you can't open the door of your home from the inside, the safety bolt in the door is loose and cannot be opened after it falls. When closing the door, because the safety bolt in the door is unstable, the safety bolt in the door will be shaken down if the force is too large, and the lock cylinder can be rotated according to the original key lock, but the door cannot be opened from the inside.

2. After opening the safety bolt in the door when you are at home, and then forgetting to close the safety bolt, when closing the door for the second time, if you use a small force at this time, it will cause the locked oblique tongue to forcibly close the door without shrinking, so that you can not open the door of the home indoors.

3. Another reason is that when you go out of the house, you accidentally lock the safety bolt outside the door due to mistakes, so that you can't open the door of the house indoors.

In the family generally use anti-theft door lock, high security and good stability, as a door lock, its stability is also very important, if the door should not be opened when the door should be opened, the door can not be closed when the door is closed, it will bring time and property loss to the family.

Method 1: You can prepare a knife for peeling fruits, and then use the tip of the knife to reach into the gap in the door lock and rotate constantly, and rotate a few more times to open the door.

Method 2: If the lock cylinder is broken, first use a screwdriver to unscrew a few screws on the upper side of the door lock, and then remove the handle on the door lock and some other parts, and then you will see the lock cylinder, remove it and replace it with a new one.

Method 3: Directly use a hammer to smash the door lock.

1. What should I do if the door lock at home cannot be opened?

1. You can prepare a knife for peeling fruits, and then use the tip of the knife to reach into the gap of the door lock and rotate constantly, and rotate a few more times to open the door.

2. If the lock cylinder is broken, first use a screwdriver to unscrew a few screws on the upper side of the door lock, and then remove the handle on the door lock and some other parts, and then you will see the lock cylinder, remove it and replace it with a new one.

3. Directly use a hammer to smash the door lock.

Second, how to maintain the door lock.

1. In the process of opening and closing the door on weekdays, hold the handle to screw the deadbolt into the lock body, close the door and then let go, do not hit the door hard, otherwise it will reduce the life of use.

2. Do not drip oil into the lock cylinder. If the key is not opened flexibly, you can put a pencil lead chip into the key eye. Some friends often like to drip some lubricating oil on the keyhole when the door lock is astringent or tight, so that the whole body of the door lock may be smooth immediately, but because the oil is easy to stick to the ash, it will be easy to slowly accumulate dust in the keyhole in the future, and form putty, which makes the door lock more likely to malfunction.

3. After the lock is used for a period of time, there will be a phenomenon that the opening is not smooth, do not drop ordinary lubricating oil or engine oil into the lock core, and use the professional lubricating oil to drop into the lock cylinder and open it several times.

3. Precautions for repairing door locks.

1. Don't use lubricants casually, some friends usually like to drip some lubricating oil on the keyhole when the door lock is astringent or tight, so that the whole body of the door lock can be smooth immediately, but because the oil is easy to stick to the ash, the keyhole will simply gradually accumulate dust in the future, and form putty, which makes the door lock simpler to show failure. Sharpen some pencil scraps or candle scraps, blow them through a thin tube into the inside of the lock cylinder, and then pierce the key and repeat the scroll several times.

2. Do not twist the key to open the door strongly, because the gravity of the door leaf itself, or the reason of the door loose page, the door leaf sinks, showing the appearance of locking the door or opening the door unsmoothly. At this time, it is usually very difficult to open and lock the door with a key. At this moment, do not forcibly twist the key to avoid breaking the key and adding trouble.

The door cannot be opened from the inside, which may be caused by the loose button of the safety bolt inside the door, and the excessive force when closing the door is caused by shaking the safety bolt down. In addition, when the safety bolt is opened, the door is forcibly closed, and the oblique tongue of the lock has not yet shrunk in, resulting in the safety bolt firmly locking the door and not opening. <

The door cannot be opened from the inside, which may be caused by the loose button of the safety bolt inside the door, and the excessive force when closing the door is caused by shaking the safety bolt down. In addition, when the safety bolt is opened, the door is forcibly closed, and the oblique tongue of the lock has not yet shrunk in, resulting in the safety bolt firmly locking the door and not opening.

Remove the window glass on the door and the plastic strip in the door, 1Loose lock block: Caused by loose door lock block.

Remote control buttons: If there is a problem with the remote control buttons, it will automatically send out a signal.

Door harness: The loose door harness causes the car to be opened if it is not outside. The following is a specific introduction to what can be opened inside and what can't be opened outside:

1. Loose lock block: caused by loose door lock block. 2. Remote control buttons:

If there is a problem with the remote control buttons, it will automatically send out a signal. 3. Door wiring harness: The loose door wiring harness causes the car to be opened if it is not outside.

The following is the extended information on the solution to the problem that the door can be opened inside and can not be opened outside: 1. Remove the isolation plastic strip: remove the window glass on the driving door and the isolation plastic strip in the door, see the metal wire associated with the lock and the lock from the seam, and pull it to open the door.

2. Professional unlocking: If it is automatically locked, in order to avoid damage to the vehicle, please unlock the manufacturer's personnel.