公开(公告)号：US10960538B2

公开(公告)日：2021-03-30

申请号：US16059057

申请日：2018-08-09

Applicant: UBTECH Robotics Corp

Inventor： Youjun Xiong ,  Hongyu Ding ,  Hongbo Zhu

IPC: B25J9/12 ,  F16H55/17 ,  B25J9/10 ,  F16H35/10 ,  F16H57/00 ,  F16D7/02 ,  F16H48/38 ,  F16D1/08

Abstract: A servo includes a motor, an output shaft used to drive an external component and having an external lateral surface, a gear set arranged between the motor and the output shaft and used to transmit power from the motor to the output shaft. The gear set includes an output gear arranged around the output shaft. The output gear defines a through hole that allows the output shaft to pass therethrough. The through hole has an internal lateral surface facing the external lateral surface. The servo further includes a connection ring arranged around the output shaft between the external lateral surface and the internal lateral surface. The connection ring is used to connect the output gear to the output shaft when a load placed on the output shaft is less than a preset value, and disconnect the output gear from the output shaft when the load exceeds the preset value.

公开(公告)号：US10265846B2

公开(公告)日：2019-04-23

申请号：US15401100

申请日：2017-01-09

Applicant: UBTECH Robotics Corp.

Inventor： Youjun Xiong ,  Wenquan Shu ,  Guanyou Li ,  Hongbo Zhu

IPC: H02K7/116 ,  B25J9/10 ,  B25J9/12 ,  H02K11/215 ,  F16H57/02

Abstract: A servo includes a housing including a gear shaft supporting and positioning structure therein, an electric motor arranged within the housing, a speed reduction gear set, an output gear shaft including a front end protruding out of the housing and a rear end located within the housing, an angle detection device, and a control circuit board. The electric motor is engaged with the output gear shaft through the speed reduction gear set. The rear end of the output gear shaft is connected to the angle detection device. The control circuit board is connected to the electric motor and the angle detection device. The angle detection device includes a magnetic sensor arranged on the control circuit board and a magnet that is connected to the rear end of the output gear shaft and located right in front of the magnetic sensor.