Fire door hinge

A hinge, also known as a hinge, is a mechanical device that connects two solids and allows relative rotation between the two. The hinge may be constructed of a moveable component or of a foldable material. The hinges are mainly installed on the doors and windows, and the hinges are more installed on the cabinets. The materials are mainly divided into stainless steel hinges and iron hinges. In order to make people enjoy better, hydraulic hinges (also called damping hinges) appear. The hinges produced by the hinge manufacturers in large quantities are characterized by a buffering function when the doors are closed, and the relative noise is reduced by the collision with the cabinet when the doors are closed.

Common classification:

1. According to the type of base, it is divided into two types: detachable type and fixed type;

2, according to the type of arm body is divided into: slide-in and card-type;

3, according to the position of the door panel cover, it is divided into a full cover (straight bend, straight arm), a general cover of 18%, a half cover (medium bend, curved arm) cover of 9 centimetres, and the built-in (large bend, Daqu) door panels are all hidden inside;

4, according to the style of the development stage of the hinge is divided into: a length of force hinge, two-stage force hinge, hydraulic buffer hinge, touch self-opening hinge, etc.;

5, according to the hinge opening angle: generally used 95-110 degrees, special 25 degrees, 30 degrees, 45 degrees, 135 degrees, 165 degrees, 180 degrees, etc.;

6, according to the type of hinge is divided into: ordinary one, two-stage force hinge, short arm hinge, 26 cup micro hinge, marble hinge, aluminum frame door hinge, special angle hinge, glass hinge, rebound hinge, American hinge, damping hinge , thick door hinges, etc.