Hinge with positioning function

The utility model discloses a hinge with a positioning function, which belongs to the technical field of hinges, and is characterized in that the hinge comprises a first hinge cover plate, a first hinge bottom plate, a second hinge cover plate, a second hinge bottom plate, a positioning ring, a sleeve and a shaft assembly, and the bottom surface of the first hinge cover plate is provided with a positioning groove and a rolling circle I; a limiting groove and a rolling circle II are arranged on the bottom surface of the second hinge cover plate; the two ends of the positioning ring are located in the positioning groove and the limiting groove respectively. The two sleeves are respectively sleeved on the outer walls of the two ends of the positioning ring; the shaft assembly comprises a rivet shaft, a shaft sleeve and a gasket. Through cooperation of all parts in the hinge, multi-angle positioning of the hinge can be effectively achieved; moreover, by arranging and arranging the shaft sleeve, the gasket, the sl