Nowadays, people lose their keys for various reasons and cannot get in when they return home. They don't know how to open a door without key. If they want to let the locksmith company open the lock, they feel that the lock cylinder is wasted. In fact, as long as you master the unlocking skills of some inner door lock, you can open the door even without a key, and you don't have to worry about having a key again.
Residential door locks are one of the important guarantees for home safety. However, nowadays, people lose their keys for various reasons and cannot get in when they return home. They don't know how to open the door without a key. If they want to let the unlocking company open the lock, they feel that the lock cylinder is wasted. In fact, as long as you master the unlocking skills of some door locks, you can open the door even without a key, and you don't have to worry about having a key again.
How to open the door without a key? What is the unlocking technique of the door lock?
How to open a door without a key? How to open a locked door without a key?
Unlocking process: Lee took out a set of unlocking tools, including a small box containing several tin foils. "This method has been in existence for a long time, and it is common for unlocking masters to use it. Of course, thieves also understand this technique." Lee took out a lock, then put the tin foil in a special tool, and inserted B through another tool. Level lock cylinder. Then fix the lock cylinder on a small vise to simulate the unlocking process. I saw that the lock was smoothly opened by shaking it from side to side for about 1%.
The reporter found that there was a groove on these tin foil strips with seven or eight small cracks. According to Lee, these grooves have been polished before. "Because the tin foil has a certain degree of hardness with the help of a key-like tool, it can be inserted into the keyhole." Lee said, "This unlocking method uses tin foil to 'fill out' the key slot, which is equivalent to making a one-time key on site. Therefore, the unlocking process is effortless, just like using the original key. This method can be opened even when the A and B lock cylinders are locked and not locked."
Unlocking time: about 30 seconds
Unlocking process: Lee first inserts one end of a key into the Class B lock cylinder, and then hits the other end of the key with a hammer. During the tapping process, he will try to twist the key. The reporter found that the lock cylinder was opened after only 6 hits with a hammer, which took about 30 seconds.
Lee told reporters that this method of unlocking mainly uses the design loopholes of the A and B lock cylinders to hit the lock cylinder marbles to unlock the lock. For anti-theft doors with A and B lock cores that are not locked, a thief can open it in just a few seconds. If it is locked, the time for committing the crime will be extended several times or even longer. In addition, this unlocking method will not damage the structure of the lock, and citizens can open the door smoothly with the key after returning home.
Unlocking time: 6 seconds
Unlocking process: What the experiment needs is a made rectangular plastic card. Li Qiang first inserted the card into the gap between the door and the door frame, then slid down to the position of the lock tongue, and then smoothly opened the door-the whole process took 6 seconds. "This method is a relatively primitive unlocking method, but it is more common. The incidents are more common in old-fashioned residential areas. The thieves mainly target wooden doors and old-fashioned anti-theft doors." Lee said that this unlocking method is suitable for the unlocked state. The lock core or the safety plug cannot be successful.
Chewing gum unlocking: The thief stuffs the chewing gum into the keyhole, and uses a tool to push the softened gum into the keyhole. Because some old-fashioned lock cylinder marbles are of average quality or short in length, after being "squeezed" by chewing gum, the thief inserts the lock cylinder into the lock as a tool to open the lock. Crochet needle unlocking: Insert a special crochet needle into the lock hole to simulate the key unlocking principle, and unlock the lock by adjusting the position of the lock cylinder pin. Cat's eye unlocking: Pry open the "cat's eye" on the anti-theft door, use a "three-section stick" and other tools to penetrate the "cat's eye" into the room, and press the built-in door handle or lock of the anti-theft door to open the door. Experimental conclusion: the more complex the key structure, the more difficult it is to open the lock. After that, Lee also used the super-B-class lock to fill in the key slot and hit the lock cylinder, and found that it could not be opened even with the best effort. The reporter saw that the shape of the Super B-class lock is more complicated. In addition to the marble structure, there are special grooves that make it difficult to pry open.
How to open the door without a key? The several unlocking techniques recommended above are very useful. If you forget to bring the key, you can try the several unlocking techniques recommended above. What are the unlocking techniques for door locks? Although these unlocking techniques are very effective, it also shows that this kind of door lock is insecure. We can open it by ourselves, and the thief can open it even more. So everyone is still in normal life. These issues need to be considered.