Lubricated protection device of packing box

The utility model discloses a lubricated protection device of packing box, including packing box and polished rod, the packing box top is equipped with lubricated cover, and the polished rod passes lubricated cover and gets into inside the packing box. Add emollient in lubricated cover, the polished rod penetrates inside the packing box through lubricated cover, the in -process that reciprocates at the polished rod, the inside emollient of lubricated cover gets into inside the packing box along with the polished rod moves, to packing box inside lubricating, the wearing and tearing between polished rod and the packing box have been reduced, it sets up the lacing film to sheathe in the antiskid simultaneously, can wipe the fluid on the polished rod off, it produces the corruption of liquid to the polished rod to reduce the oil well, oil well maintain maintenance work volume that the packing box leakproofness variation that exists in the present oil recovery production process leads to has been solved greatly, p