Rapid filling device of packing for wellhead of oil pumping machine

The utility model discloses a rapid filling device of packing for a wellhead of an oil pumping machine, comprising a rotating body, packing pressing teeth and a rotating handle, wherein an opening is formed on the side wall of the rotating body and communicated with a polish rod hole in the centre of the rotating body; the width of the opening is greater than the diameter of a polish rod; a screw thread, matched with a packing box, as well as the packing pressing teeth are disposed on the inner wall of the rotating body; the thickness of the lower ends of the packing teeth is less than a distance between the inner wall of the packing box and the polish rod; circular arcs are disposed at the lower ends of the packing teeth, and the lower part of the packing teeth is thicker than the upper part thereof; and the rotating handle is disposed outside the rotating body. The rapid filling device of packing for the wellhead of the oil pumping machine disclosed by the utility model has the advantages of simplicity in s