The utility model discloses a multi-piece overlapped type lubricating
pinion which comprises a plurality of gear pieces, and the gear pieces are overlapped to form a gear. When the two opposite gear pieces are attached and stacked, the two oil grooves form a closed oil channel, each
gear tooth corresponds to two oil channels, and the two oil channels penetrate through different tooth surfaces of the
gear tooth respectively. The gear sheet is provided with bulges at oil outlets of the oil channels; the outer wall of the shaft tube is in smooth fit and rotary fit with the circular through hole of the gear sheet; an oil cavity and an oil hole penetrating through the oil cavity are formed in the center of the shaft tube along the central axis, and when the shaft tube is sleeved with the gear piece, the oil hole corresponds to the oil channel oil inlet in position. The
pinion composed of the gear pieces is not directly attached to the gear to be lubricated through the
tooth surface, lubricating
grease flows out through the protrusions and then is guided to flow towards the two sides of the gear to be lubricated in the thickness direction, and the lubricating gear is fully covered. When the difference is small, the gear gaskets are thin, and the thickness specification can be finely adjusted by adjusting the number of the gear gaskets.