Inserting structure of rotor and driver and intravascular ultrasonic catheter

The utility model discloses a rotor and driver plug-in mounting structure and intravascular ultrasound catheter, including plug-in mounting cylinder, first electrical connection portion, plug-in mounting shaft and second electrical connection portion, the plug-in mounting cylinder is provided with locating bump; the inserting shaft is provided with a positioning groove matched with the positioning protruding block, and the positioning groove is connected with a gradual opening used for guiding the positioning protruding block to slide into the positioning groove. When the positioning convex block slides into the positioning groove, the first electrical connection part and the second electrical connection part are aligned and matched; and when the positioning convex block and the positioning groove are clamped, the first electrical connection part and the second electrical connection part are inserted. According to the insertion structure, in the practical application process, the insertion shaft and the inser