Hinge

The utility model relates to the technical field of mechanical connecting parts, in particular to a hinge, which comprises a static hinge, static hinge parts arranged on two sides of the static hinge, and flat grooves arranged on the static hinge parts in a penetrating manner; movable hinge parts are arranged on the two sides of the movable hinge, and circular grooves are formed in the movable hinge parts; the rotating shaft comprises a circular tube part, and flat blocks are arranged at the two ends of the circular tube part; the torsional spring is arranged outside the circular tube part in a sleeving manner, one end of the torsional spring is connected with the static hinge, and the other end of the torsional spring is connected with the movable hinge; and an elastic gasket. According to the hinge, the torsional spring, the copper sheet, the elastic gasket, the anti-loose gasket and the anti-loose nut are arranged, so that an adjustable damping structure is additionally arranged on the hinge, and the openi