Waterproof soybean milk machine

A waterproof soybean milk machine, comprising:

• a cylinder, wherein an annular support plate is fixed to an inner side wall of a top end of the cylinder, and a first sealing ring is provided on the annular support plate;
• an inner tank, wherein the inner tank is arranged inside and coaxial with the cylinder, and has a top end extending outward to form a flange, an outer peripheral end surface of the flange is attached to an inner side wall of the cylinder and a bottom of the flange is pressed and abutted against the first sealing ring;
• a base, wherein the base is provided with an annular slot corresponding to the cylinder vertically, a second sealing ring is provided in the annular slot, and a bottom end of the cylinder is inserted in and connected to the annular slot and pressed and abutted against the second sealing ring;
• and
• a driving part, wherein the driving part is arranged inside the cylinder and correspondingly installed between the base and the inner tank, and an output shaft of the driving part passes upwards through a bottom wall of the inner tank in a sealing manner and is fixed with a grinding and stirring assembly.