Flow regulator for ophthalmology ultrasonic emulsification instrument

The utility model relates to the technical field of medical equipment, and discloses a flow regulator for an ophthalmology ultrasonic emulsification instrument, which comprises a positioning box body, the center of the positioning box body is rotatably connected with a rotating shaft through two sealing bearings, the rotating shaft penetrates through the positioning box body, the rotating shaft is fixedly sleeved with a rotating disc, and the rotating disc is connected with the positioning box body. The rotating disc is located in the positioning box body and is in sliding connection with the positioning box body, guide pipes fixedly communicate with the corresponding positions of the two sides of the positioning box body, a plurality of liquid through holes distributed in an annular array mode are formed in the positions, corresponding to the guide pipes, of the rotating disc, and the hole diameters of the liquid through holes are sequentially increased; a positioning mechanism is installed between the rotat