Optical lens with positioning structure

The utility model relates to the technical field of optical lenses, in particular to an optical lens with a positioning structure, a lens ferrule is fixedly arranged at one end of a fixing rod, a supporting ring is integrally formed on the inner side wall of the bottom end of the lens ferrule, and threaded grooves are formed in the upper end face of the lens ferrule at equal intervals. The lens ferrule is fixedly connected with the sealing cover through a fastening screw, threaded holes are formed in the sealing cover at equal intervals, a rotary knob is fixedly arranged at one end of the fastening screw, and positioning clamping blocks are symmetrically and fixedly arranged on the supporting ring; through the cooperative use of the positioning clamping groove, the positioning clamping block and the positioning auxiliary structure, a good positioning effect on the installation work of the optical lens is achieved, the operation is simple, the installation precision of the optical lens is ensured, the actual u