Connecting structure of hoop lamp

The utility model discloses a connecting structure of a hoop lamp. Comprising a plurality of single lamp light sources, the multiple single lamp light sources are annularly arranged, shells of every two adjacent lamp light sources are hinged through a hinge assembly, each hinge assembly comprises a hinge column, a connecting plate and a hinge sleeve, and the section of each hinge sleeve is in a C shape; the hinge sleeves are fixedly connected to the outer walls of the lamp light sources, the open ends of the hinge sleeves face outwards, the outer walls, adjacent to the hinge sleeves, of the lamp light source shells are fixedly connected with the connecting plates, the outer ends of the connecting plates are fixedly connected with the hinge columns, and the hinge columns of the two adjacent lamp light sources are arranged in the hinge sleeves. The lamp light source is provided with a fixing piece; the outer wall of the lamp light source shell is fixedly connected with a positioning block, the positioning block