A nozzle structure for drilling rod screw thread oil spraying scribble

The utility model relates to a shaft boring machine maintenance technology field discloses a nozzle structure for drilling rod screw thread oil spraying scribble, including extension spring, core bar,shower nozzle and sleeve pipe, shower nozzle fixed mounting in the sheathed tube left end, the sheathed tube right -hand member is connected with the power oil sources, the shower nozzle has a plurality of nozzle opening, the core bar install in in the oily passageway at sleeve pipe middle part, the left end of core bar has a loudspeaker head, the loudspeaker head can with sheathed tube left endlaminating contact is intact sealed, the left end of extension spring with the right -hand member fixed connection of core bar, right -hand member and sleeve pipe fixed connection. The utility model discloses guarantee effectively that the screw thread oil on the pin thread can evenly cover, avoid omitting for threaded connection can be protected better to screw thread oil, reduces intensity of labour simultaneously, has i