Fuente: WIPO "dairy products" The utility model discloses a dairy product sterile water tank which comprises a water tank body, a top cover is arranged at the upper end of the water tank body, hanging lugs are arranged on the outer surfaces of the two ends of the top cover, fixing grooves are formed in the outer ends of the hanging lugs, clamping grooves are formed in the inner surfaces of the lower ends of the fixing grooves, and first springs are arranged on the inner surfaces of the clamping grooves. A movable plate is arranged at the lower end of the first spring, a protruding block is arranged on the outer surface of the upper end, corresponding to the hanging lug, of the lower end of the movable plate, a sliding rail is arranged at the side end of the water tank body, an inserting hole is formed in the inner surface of the upper end of the sliding rail, a plug pin is arranged on the inner surface of the inserting hole, and a second spring is arranged at the outer end of the plug pin; the outer end of the second spring is provided with a sliding groove corresponding to the outer end of the bolt. According to the sterile water tank for the dairy products, a device convenient to seal is arranged, convenience is brought to use, a device convenient to store the push rod is arranged, and the situation that the push rod occupies the space of a warehouse for storing the sterile water tank is avoided.