What is the working principle of a word lock open?

China Security Xiaobian This article introduces you to the working principle of the opening of a word lock, the following is a brief introduction to everyone.

Key unlock

The principle of key unlocking: the use of the tooth-shaped drop, so that the top of the lower marble is in the same line, so that the upper and lower marbles are all separated in the cutting line, and the lock can be rotated!

Single hook open

Single hook to open a word lock: Don't rotate the lock, use a single hook to pick the force marbles one by one, so that the upper and lower marbles are separated in the slitting line, and the other children push to form the misalignment (the marbles are subjected to the cutting force)----- - Breaking one by one, the upper and lower marbles are separated at the tangent line, and finally all separated, and the lock cylinder can be rotated-----to achieve the purpose of opening!

The basis of a single hook to open a word lock: manufacturers always have errors in the production of products, the error is inevitable, that is, the existence of tolerance: each marble is not the same thickness, the bullet hole is not exactly a straight line. When the other person has a lock, the marble is not stressed at the same time!

Tin foil unlock

The thickness and softness of the tin foil are selected and pressed into a vault with special tools. Its arch back is also cut into 9 small holes, divided into 8 small aliquots about 2 mm wide. The 8 small pieces correspond to the position of the steel ball in the marble chamber of the anti-theft door lock. After the steel foil is inserted into the lock cylinder with the steel bar, under the pressure of the marble and the spring, the tin foil can just be pressed into the shape of the key, and the steel ball is placed in the proper shape. Height, so you can twist the lock cylinder to open the door lock. [3]