Generally speaking, according to the size, there are two main sizes at present, one is the 6068 lock body, the other is the big overlord lock body, these two models.
1. Lock body is divided into 58 locks and 50 locks according to the distance from the center of the square hole to the center of the lock head hole.
2, 50 locks are divided into large 50 locks and small 50 locks according to size.
3. Distinguish the lock core according to its size, model and manufacturer.
The lock body is one of the components of the lock. There are many kinds of locks, one-way locks, three-way locks and four-way locks. Generally used in security doors, responsible for the basic anti-theft work of security doors. The lock core controls the operation of the lock body, is responsible for opening and locking doors and windows, and plays an important role in anti-theft.
Extended data:
Lock body function classification:
1, single tongue: it is mainly used in the environment of room doors, offices and other non-entrance doors, and can also be used in conjunction with intelligent access control systems. Intelligent door lock has the functions of mechanical door lock and intelligent lock, which is convenient and safe.
2. Heaven-earth lock: As the name implies, this lock body locks the door at the same time (as shown in the figure, with heaven-earth rods), and the lock body transmission device drives the upper lock point and the lower lock point (at the upper edge and lower edge of the door leaf respectively). Together with the four cylindrical locking points on the left in the figure, three sides of the door can be locked when locking the door, and the door leaf and the door frame are locked together at the four corners of the door hinge, which has good anti-pry and anti-collision functions.
When identifying whether your own security door is a three-way lock, look at the door frame to see if there is a corresponding hole, so that the lock point of the door lock can extend into the door frame, up and down. Second, look at the door lock, open the door, lock the lock with the key, and see if there are any lock points protruding from the inside.
3. Quick opening and quick closing: This is the anti-theft lock body of a new type of heaven and earth lock, and it is very convenient to open and close the door. You don't need a key to lock the door or open the locked door, just lift the handle. This lock body is only suitable for steel wooden doors (the kind without windows) and fully sealed doors.
Because it has the function of quick opening and quick closing, this lock body cannot be used for fence stainless steel security doors and fence security doors. There is a simple reason. Just pull the door handle with a thin stick outside and the door will open. Can't play the role of anti-theft.
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