Knowledge of door lock

With the opening and closing of the door and the door lock on the building in need. The general is composed of a lock body (including lock tongue), door and window hardware control mechanism and a braking mechanism) and the lock panel, a handle, a cover plate. The lock tongue opening inclined tongue, tongue, double tongue, touch bead tongue, the hook tongue, the lock panel flat mouth, left enterprises, right rabbet and cyclostomes, handle a ball shape, the curved shape and ring shape.

The door lock, door lock, door lock, door lock, door lock and door lock can be divided into single, double and three. According to the characteristics of the structure, it can be divided into the external door lock, the lock and the door lock.

The exterior door locks: lock body covered on the surface of the door leaf. The main products are single single tongue safety lock, single tongue safety lock, single tongue insurance door lock (Figure 1), double tongue lock three insurance, double tongue double lock lock three insurance, multi lingual double lock insurance lock.

The mortise lock: lock the door from the side is embedded in the door leaf. There are two kinds of leaf structure and cylinder structure. The main products are sliding door in door lock core, unilateral tongue button in lock core, double tongue inserted core door lock (Figure 2), double tongue pressed pressure in lock core, a blade handle lock door lock core, monocline bolt inserted door lock core, monocline bolt inserted and so on.

Spherical door lock: beautiful appearance, easy to use, more for senior buildings.