Lamp adjustable in beam angle

The utility model relates to the technical field of lighting lamps, in particular to a lamp adjustable in beam angle. The lamp comprises a lamp body, a rotating member and light source components are arranged at one end of the lamp body, the rotating member can rotate relatively to the lamp body, each light source component comprises a light source and a hinging shaft supporting frame fixed on the lamp body, each hinging shaft supporting frame is provided with a hinging shaft, the upper portion of each light source is hinged to the corresponding hinging shaft, a jacking member perpendicular to the corresponding hinging shaft is hinged on the lower portion of each light source, a positioning member is fixed on the lamp body, the jacking members penetrate the positioning member to be in abutted connection with the inner wall of the rotating member, the inner wall of the rotating member is a cam profile face symmetrical according to the circle center of the rotating member, a limiting member is arranged at one e