Upward-expanding type emptying valve

The utility model discloses an upward expanding type emptying valve which comprises a valve body, a valve seat arranged at the top of the valve body, a flange piece arranged at the top of the valve seat, a valve cover support connected to the bottom of the valve body, a packing gland connected to the joint of the valve cover support and the valve body, a fixing nut arranged in the middle of the valve cover support, and an axis in threaded connection with the middle of the fixing nut. The valve body is internally provided with a valve cavity, one side of the inner wall of the valve cavity is provided with an arc-shaped material shaking plate, one side of the arc-shaped material shaking plate is connected with a plurality of telescopic springs, and the middle of one side of the valve body is provided with a micro electric push rod; according to the upward expanding type discharging valve, the discharging speed of some sticky materials is increased through the whole discharging valve, so that the phenomenon that