SPEED REDUCER, JOINT MODULE AND ROBOTIC ARM

Abstract: in some aspects, a speed reducer includes an inner gear having an inner gear hole; an outer gear having an outer gear hole, arranged in the inner gear hole and meshing with the inner gear; an eccentric wheel rotatably supported in the outer gear hole, the outer gear being driven by the eccentric wheel to revolve around the rotation axis of the eccentric wheel while rotating around its own axis; a brake block arranged on the eccentric wheel to rotate together with the eccentric wheel, the brake block being movable relative to the eccentric wheel between a braking position and a release position; an elastic member coupled to the eccentric wheel and the brake block, and configured to press the brake block towards the braking position; and a drive member coupled to the eccentric wheel, a rotation axis of the drive member being coaxial with the rotation axis of the eccentric wheel.

Inventor(s): Huizhong YANG, Yilin YANG, Zhaobo QING, Qiong LIU

CPC Classification: F16H1/32 (in which the central axis of the gearing lies inside the periphery of an orbital gear)

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