Simple and practical method of cylinder lock
Lock is one of the more common security tools in our life. At present, there are many kinds of locks used indoors and outdoors. As an office, there are many kinds of locks, which are also called "cylinder locks". This is a kind of lock with simple appearance, and its internal structure is a kind of rotating tongue. This kind of lock tongue is different from the current expansion tongue. It is a kind of rotating type lock tongue. By matching the lock cylinder and the key, the rotating tongue can rotate. When the rotating tongue is parallel to the horizontal plane, it is just perpendicular to the door frame, which has the effect of dislocation, blocking the door, and playing the role of locking. Otherwise, it has the effect of opening.