Patent ID: 9097318
Filing Date: 2015-08-04
Classification: F16H

Abstract:
1. A cycloid pinwheel reducer, comprising: a housing forming an inner teeth ring in an inner wall of the housing; two cycloid pinwheels received in the housing, each of the two cycloid pinwheels forming a meshing portion; a plurality of rollers rolling in positioning between the inner teeth ring and the meshing portions; an output flange non-rotatably connected with the two cycloid pinwheels for rotating together with the two cycloid pinwheels; and a first transmission assembly comprising a first transmission gear and a second transmission gear, the second transmission gear meshed with the first transmission gear; and wherein the first transmission gear comprises a shaft portion and a first teeth portion formed on one end of the shaft portion, the second transmission gear comprises a base body, a second teeth portion, a first eccentric portion, and a second eccentric portion, the second teeth portion, the first eccentric portion, and the second eccentric portion are positioned on the base body, the second teeth portion protrudes from the base body along a radial direction toward outside of the base body, the first eccentric portion and the second eccentric portion protrude oppositely from the base body and are positioned at two sides of the second teeth portion, the second eccentric portion is located adjacent to the output flange the second teeth portion is meshed with the first teeth portion, one of the two cycloid pinwheels is sleeved on the first eccentric portion, another one of the two cycloid pinwheels is sleeved on the second eccentric portion, and the cycloid pinwheel reducer further comprises a cable tube passing through the shaft portion and the first teeth portion of the first transmission gear, and passing through the output flange.