A screw formula wheel hub for commercial car

The utility model discloses a screw formula wheel hub for commercial car, wheel hub comprises wheel hub flange and wheel hub bearing position, the position that corresponds installation brake disc body on wheel hub bearing position's the outer wall is equipped with along the circumferencial direction and is used for the radical location installation the connection spline of brake disc body, connect the spline orientation on the side of wheel hub flange with the position that corresponds on wheel hub bearing position's the outer wall is equipped with the location strengthening rib, location strengthening rib protrusion the top surface of connection spline, at least two connect the spline dorsad be equipped with on the side of wheel hub flange and be used for the axial fixity installation the spline screw hole of brake disc body, adjacent two be equipped with spline ventilation hole between the root of connection spline, on the wheel hub flange along the circumferencial direction be equipped with a plurality of