One-way valve assembly of ore pulp conveying diaphragm pump

The utility model discloses a one-way valve assembly of an ore pulp conveying diaphragm pump. Relating to the technical field of check valves, the cone valve comprises a valve body, a valve seat, a guide sleeve, a cone valve guider, a cone valve sealing cover, a sealing rubber pad, a cone valve shaft and a spring, one end of the cone valve shaft is inserted into the guide sleeve in a sliding manner; the spring is sleeved outside the guide sleeve; two ends of the spring are respectively propped against the cone valve shaft and the valve body; the cone valve guider and the cone valve sealing cover are arranged in the valve seat and are sequentially connected to the cone valve shaft through bolts; the sealing rubber pad is positioned between the cone valve shaft and the cone valve sealing cover, and is sleeved outside the cone valve shaft; limiting bolts are arranged between the cone valve guider and the cone valve sealing cover and between the cone valve sealing cover and the cone valveshaft; a conical cavity o