Efficient lubricating structure for PTO idle wheel bearing of gearbox

The utility model discloses an efficient lubrication structure of a gearbox PTO idle wheel bearing, which comprises a torque converter shell and an oil supply pump fixed on the right end face of the torque converter shell, a rotating shaft of the oil supply pump is movably connected in the torque converter shell through a bearing, an idle wheel shaft is fixed in the torque converter shell below the rotating shaft, and the idle wheel shaft is connected with the oil supply pump. The idle gear shaft is movably connected with an idle gear through a plurality of first bearings; a transverse connecting through hole is formed in one side plate, opposite to the first bearing, of the torque converter shell, a plug is fixed to the outer end of the transverse connecting through hole, a connecting through hole extending backwards is formed in the side wall of the middle of the transverse connecting through hole, and the connecting through hole is communicated with an oil outlet pipe on an oil supply pump. The transverse