What if the lock core of the door is broken?

Question 1: The lock core of the door is broken.

Paper clips or safety pins

Tension wrench (sometimes called torque wrench)

Another paper clip

1, using paper clips

Take a paper clip or safety pin and straighten it. Then make a slightly upward curved shape at its end.

You can buy a set of professional unlocking tools at the hardware store. America has a basic model of locks.

Step 2 insert a wrench

Insert the wrench into the lower part of the lock hole, that is, the side facing the key tooth.

Step 3 determine the direction

In order to know how to open the lock, you need to turn it clockwise and counterclockwise with a wrench. You can feel which direction you should turn.

4. Turn the keyhole

Hold the most suitable part of the wrench and turn the lock in the right direction with light force.

Step 5 insert a paper clip

Insert the end of the paper clip into the upper part of the lock core while exerting force on the lock core.

Step 6 feel with a pin

Turn the paper clip in the keyhole until you feel the marbles inside. If you open an ordinary door lock, these marbles are likely to be at least five in a row.

pay attention to

Many experts suggest that the lock core should be "polished" before unlocking. Straighten the second paper clip, bend it several times, and then push the paper clip into the lock without using a wrench. Then pull it out quickly and hold the upper part of the lock cylinder when turning the wrench. You may only be able to break through one or two marbles in this way.

Step 7 improve

Now let's do the real "unlocking" (link). Pick up the stitches in the lock one by one with a paper clip. Try to feel the moment when the latch reaches the "unlocked" position. You should feel a slight looseness and even hear a slight click.

pay attention to

Open the farthest needle first, and then move to the next needle. Step up efforts

In this process, slightly increase the strength on the wrench until all the stitches are picked up.

9. Turn the wrench

Now turn the wrench with all your strength. Look! The lock will open.

Usually it can't be used after picking the lock. It was pried open by the explosion-proof office.

Question 2: The bedroom door is locked inside! The lock cylinder is broken! What happened? Remove the lock from the inside, pull the lock core out of the lock hole with pliers, and you can open it.

Question 3: What should I do if the key in the lock core of the security door is broken? If it is broken from the root of the key handle, it will be easy. Reset the key first, that is, the direction in which the key is inserted into the front lock cylinder. If you don't know which direction, you can look at the lock of the door as a reference, and then use tools such as needle-nosed pliers or tweezers to * * * key.

Question 4: The lock core of the door lock is broken and it can't be opened. How to remove the lock core? Help! ! ! The situation you are talking about should be that the pin used for locking on the twist has fallen off. I suggest you take off the handle, first use the key to open the lock, then insert the screwdriver into the socket to lock it, and look in the opening direction. Really can't. I suggest you turn on the lock company's service phone, because they are very professional and will not expand the situation and damage the door.

The most common situation is the indoor bedroom door, because the quality of indoor door lock is too poor, some lock cores are plastic, the quality of the lock body is also very poor, and the lock tongue is easy to fall off. Once there is a problem, it is very troublesome. I suggest you find a professional lock changer to change a lock with better quality.

Question 5: How to unlock the bedroom door is that the key is broken in the lock core. Call the lock company, or you'll have to knock on the door and change the lock.

Question 6: What if the key in the lock core of the security door is broken? Find an unlocking company with the Public Security Bureau to unlock the lock for you. I suggest you buy a new lock cylinder first, and then remove the lock cylinder and replace it.

Question 7: The lock core is broken at this position, so the whole lock core can be taken out directly. What should I do now that the door is still locked? Urgent! The lock tongue is stuck and the lock core is broken. Find a locksmith to remove it and replace it with a basic C-class marble lock core, which is highly theft-proof and prevents the technology from opening.

Question 8: Can I change the lock core of the house by myself? Yes, as shown in the figure below, it is very easy to change the drops yourself.

Do you think it's very simple after reading the picture?

Does my answer help you?

Question 9: If the lock core is broken and the lock is locked, how can I open the door? Looking for a lock company can solve your problem.