Oil well packing instrument of adding

The utility model discloses an oil well packing instrument of adding, be equipped with the first body of internal screw thread including the internal surface, it is protruding that first body internal surface upper portion is equipped with first annular, and the protruding plug-in of first annular is connected with the second body, and the surface vertical orientation is equipped with first annular counter bore under the second body, and first annular counter bore lower surface annular distributes and has first counter bore, and first counter bore lower surface is equipped with first through-hole, and the plug-in is connected with first spring in the first annular counter bore, and the plug-in is connected with first stainless steel bolt in the first counter bore, and the outer fixed surface of first body is connected with the metal block, and the metal block upper surface is the first casing of U-shaped through bolt fixedly connected with cross-section, and the outer fixed surface of second body is connected with the metal pole, and second stainless steel bolt swivelling joint is passed through to the one end of metal pole. The global design is novel, effectively improves work efficiency and changes the effect.