Lubricating oil pipeline filter

The utility model discloses a lubricating oil pipeline filter which comprises a filter pipeline and filter screens, the top end of the filter pipeline extends to the bottom end along the center diameter and is connected with a rectangular filter plate, a first filter plate and a second filter plate are respectively arranged above and below the surface of the filter plate, and first filter screens are laid on the front and back surfaces of the first filter plate. A first semicircular partition plate is arranged on the left side of the top end of the filtering pipeline, a second semicircular partition plate is arranged on the right side of the center of the filtering plate in the horizontal direction, a third semicircular partition plate is arranged on the left side of the bottom end of the filtering pipeline, and the bottom end of the filtering pipeline is connected with a connecting pipe; a plurality of annular second sealing rings are fixed above the inner wall of the connecting pipe, an annular elastic bloc