Cooling bin one-way valve structure for regenerated rubber production

The utility model discloses a cooling stock bin one-way valve structure for regenerated rubber production, which comprises a cooling stock bin main body, the side wall of the cooling stock bin main body is hollow, a one-way valve for preventing negative pressure from being generated in a cavity of the cooling stock bin main body is arranged on the side wall of the cooling stock bin main body, and the one-way valve comprises a hollow valve body. A cavity of the valve body is internally composed of a guide part and a displacement part, a first limiting ring is arranged in the cavity of the guide part, a second limiting ring is arranged in the cavity of the displacement part, a sealing piece is arranged between the first limiting ring and the second limiting ring, a spring is arranged between the sealing piece and the second limiting ring, and guide columns are arranged at the two ends of the sealing piece. The one-way valve has the advantages that the one-way valve is simple in integral structure and high in st