Patents by Inventor Kunlei Zhao
Kunlei Zhao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11643306Abstract: A winch integrated with a permanent magnet brushless motor and a controller includes a brushless motor and a controller. The brushless motor includes a stator having a wire coil, and a motor bracket. The stator is fixedly provided in the motor bracket. A rotor and a rotating shaft fixed in a rotor center are provided inside the stator. The rotating shaft is rotatably connected to the motor bracket, one end of the rotating shaft is fixedly connected with a magnet mount, and a cylinder magnet is mounted in the magnet mount. The controller includes a control circuit board fixed to one end of the motor bracket proximal to the cylinder magnet. A sensor chip for angle sensing in conjunction with the cylinder magnet is provided on the control circuit board.Type: GrantFiled: August 9, 2022Date of Patent: May 9, 2023Assignee: Zhejiang Nowvow Mechanical and Electrical Corp., LtdInventors: Yong Yang, Kunlei Zhao, Jun Zhou, Chunxiang Zhang, Liangdao Tang, Guogang Zhang
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Patent number: 11639005Abstract: A robotic finger structure includes a proximal phalanx; a middle phalanx rotatably connected to one end of the proximal phalanx; a distal phalanx rotatably connected to one end of the middle phalanx and defining a distal phalanx opening in a front side thereof and at one end adjacent to the middle phalanx; a connecting rod having opposite ends that are rotatably connected to the proximal phalanx and the distal phalanx, and an actuating assembly to drive the middle phalanx to rotate with respect to the proximal phalanx. The connecting rod includes a first angled segment having a first recess facing a back side of the middle phalanx. When the distal phalanx is flush with the middle phalanx, the first angled segment passes through the distal phalanx opening, and a first end of the distal phalanx opening extends into the first recess.Type: GrantFiled: May 20, 2021Date of Patent: May 2, 2023Assignee: UBTECH ROBOTICS CORP LTDInventors: Kunlei Zhao, Zheng Xie, Weizhi Shi, Minghua Chen, Zhaohui An, Youjun Xiong
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Patent number: 11602858Abstract: A thumb structure includes a proximal phalanx, a distal phalanx rotatably connected to one end of the proximal phalanx, a fixing member connected to the proximal phalanx through a first ball joint, a linking member having opposite ends that are connected to the distal phalanx and the fixing member through a second ball joint and a third ball joint, a first actuating assembly to drive the proximal phalanx to swing in a direction of a first degree of freedom, and a second actuating assembly to drive the proximal phalanx to swing in a direction of a second degree of freedom.Type: GrantFiled: March 30, 2021Date of Patent: March 14, 2023Assignee: UBTECH ROBOTICS CORP LTDInventors: Kunlei Zhao, Zheng Xie, Zhaohui An, Weizhi Shi, Youjun Xiong
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Patent number: 11441726Abstract: A connection assembly for holding a support member in position includes: a base defining a receiving hole to receive an end portion of the support member, and a guiding hole in a lateral surface thereof, which communicates with the receiving hole; a fixing block; a locking member slidably received in the guiding hole and slidable between a first position where the locking member is engaged with the support member so as to hold the support member in position, and a second position where the locking member is disengaged from the support member; and an actuating member connected to the fixing block and the locking member, the actuating member being configured to drive the locking member to move between the first position and the second position.Type: GrantFiled: June 10, 2019Date of Patent: September 13, 2022Assignee: UBTECH ROBOTICS CORP LTDInventors: Kunlei Zhao, Youjun Xiong, Wenhua Yu, Jiawen Hu, Yangyu Pi
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Publication number: 20210370522Abstract: A thumb structure includes a proximal phalanx, a distal phalanx rotatably connected to one end of the proximal phalanx, a fixing member connected to the proximal phalanx through a first ball joint, a linking member having opposite ends that are connected to the distal phalanx and the fixing member through a second ball joint and a third ball joint, a first actuating assembly to drive the proximal phalanx to swing in a direction of a first degree of freedom, and a second actuating assembly to drive the proximal phalanx to swing in a direction of a second degree of freedom.Type: ApplicationFiled: March 30, 2021Publication date: December 2, 2021Inventors: Kunlei Zhao, Zheng Xie, Zhaohui An, Weizhi Shi, Youjun Xiong
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Publication number: 20210370523Abstract: A robotic finger structure includes a proximal phalanx; a middle phalanx rotatably connected to one end of the proximal phalanx; a distal phalanx rotatably connected to one end of the middle phalanx and defining a distal phalanx opening in a front side thereof and at one end adjacent to the middle phalanx; a connecting rod having opposite ends that are rotatably connected to the proximal phalanx and the distal phalanx, and an actuating assembly to drive the middle phalanx to rotate with respect to the proximal phalanx. The connecting rod includes a first angled segment having a first recess facing a back side of the middle phalanx. When the distal phalanx is flush with the middle phalanx, the first angled segment passes through the distal phalanx opening, and a first end of the distal phalanx opening extends into the first recess.Type: ApplicationFiled: May 20, 2021Publication date: December 2, 2021Inventors: Kunlei Zhao, Zheng Xie, Weizhi Shi, Minghua Chen, Zhaohui An, Youjun Xiong
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Patent number: 11125276Abstract: The present disclosure provides an output shaft component and a power output mechanism. The output shaft component includes a housing connected to the driven member, an adapter shaft connected to an output shaft of the power output mechanism, and an elastic body mounted in the housing. The adapter shaft is rotatably mounted in the housing. The elastic body includes an inner ring, an outer ring located outside the inner ring, and an elastic portion connected between the inner ring and the outer ring. The adapter shaft is sheathed in the inner ring, the inner ring is synchronously rotatably connected to the adapter shaft, and the outer ring is fixed on the housing.Type: GrantFiled: December 28, 2018Date of Patent: September 21, 2021Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Zheng Xie, Zhaohui An
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Patent number: 10906585Abstract: The present disclosure provides a chassis comprising a frame, two hanging units symmetrically provided at both sides of the frame, and a front guiding wheel and a rear universal wheel provided below the frame, wherein each of the hanging units comprises a mounting rack fixedly connected to the frame, a hanging rack slidably connected to the mounting rack, and a driving wheel rotatably connected to the hanging rack, and the front guiding wheel is provided with a first driving motor, and the driving wheel of each hanging unit is driven by a second driving motor, and wherein a closed loop speed control system is formed between the first driving motor and both second driving motors, such that a rotational angle of the front guiding wheel is adjustable via the first driving motor when revolving speeds of both second driving motors are changed.Type: GrantFiled: December 27, 2018Date of Patent: February 2, 2021Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Libing Zhou, Qi Zhao
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Patent number: 10875371Abstract: The present disclosure provides a suspension system, and a chassis with the same. The system includes: a fixing frame having an opening; a suspension frame disposed at the opening; and a driving wheel rotationally coupled to the suspension frame. In which, two ends of the suspension frame are respectively disposed on two ends of the fixing frame at the two sides of the opening to be selectively moved up and down along a height direction of the fixing frame, and two elastic members are respectively disposed between each of the two ends of the suspension frame and the corresponding end of the fixing frame at the two sides of the opening. In the present disclosure, the fixing frame and the suspension frame can move with respect to each other in a vertical direction, and the resetting adjustment is realized through the elastic member.Type: GrantFiled: December 26, 2018Date of Patent: December 29, 2020Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Libing Zhou, Hailang Zhou
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Patent number: 10717188Abstract: A spatial crossed-axis transmission mechanism includes a rotatable driving member, an actuating member, and a support member for fixing the driving member and the actuating member. The driving member comprises a first end surface adjacent to the support member, and an Archimedes spiral groove is defined in the first end surface of the driving member. The actuating member includes an end surf adjacent to the support member and a sliding shaft on the end surface of the actuating member. The support member defines a straight groove passing therethrough, and the sliding shaft comprises an end that extends through the straight groove and fits into the Archimedes spiral groove.Type: GrantFiled: August 28, 2018Date of Patent: July 21, 2020Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Kunlei Zhao
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Publication number: 20200200323Abstract: A connection assembly for holding a support member in position includes: a base defining a receiving hole to receive an end portion of the support member, and a guiding hole in a lateral surface thereof, which communicates with the receiving hole; a fixing block; a locking member slidably received in the guiding hole and slidable between a first position where the locking member is engaged with the support member so as to hold the support member in position, and a second position where the locking member is disengaged from the support member; and an actuating member connected to the fixing block and the locking member, the actuating member being configured to drive the locking member to move between the first position and the second position.Type: ApplicationFiled: June 10, 2019Publication date: June 25, 2020Inventors: Kunlei Zhao, Youjun Xiong, Wenhua Yu, Jiawen Hu, Yangyu Pi
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Publication number: 20200132174Abstract: A finger of a robotic hand includes a phalanx portion including at least two phalanxes rotatably coupled to each other, a driving device including a rotating member, a connection assembly including a housing defining a sliding groove that includes a first end and a second end defining a through hole that is in communication with the sliding groove, a cap connected to the housing at the first end, a sliding rod comprising a base slidably received in the sliding groove and a rod protruding from the base, and an elastic member received in the sliding groove and having opposite ends that respectively abut against the base and an inner surface of the second end, and a rope including two opposite ends respectively connected to the cap and one of the at least two phalanxes.Type: ApplicationFiled: December 29, 2018Publication date: April 30, 2020Inventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Qi Zhao, Jiawen Hu, Yangyu Pi, Jianxin Pang
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Publication number: 20200132125Abstract: The present disclosure provides an output shaft component and a power output mechanism. The output shaft component includes a housing connected to the driven member, an adapter shaft connected to an output shaft of the power output mechanism, and an elastic body mounted in the housing. The adapter shaft is rotatably mounted in the housing. The elastic body includes an inner ring, an outer ring located outside the inner ring, and an elastic portion connected between the inner ring and the outer ring. The adapter shaft is sheathed in the inner ring, the inner ring is synchronously rotatably connected to the adapter shaft, and the outer ring is fixed on the housing.Type: ApplicationFiled: December 28, 2018Publication date: April 30, 2020Inventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Zheng Xie, Zhaohui An
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Patent number: 10634225Abstract: A finger of a robotic hand includes a phalanx portion including at least two phalanxes rotatably coupled to each other, a driving device including a rotating member, a connection assembly including a housing defining a sliding groove that includes a first end and a second end defining a through hole that is in communication with the sliding groove, a cap connected to the housing at the first end, a sliding rod comprising a base slidably received in the sliding groove and a rod protruding from the base, and an elastic member received in the sliding groove and having opposite ends that respectively abut against the base and an inner surface of the second end, and a rope including two opposite ends respectively connected to the cap and one of the at least two phalanxes.Type: GrantFiled: December 29, 2018Date of Patent: April 28, 2020Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Qi Zhao, Jiawen Hu, Yangyu Pi, Jianxin Pang
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Publication number: 20200017145Abstract: The present disclosure provides a chassis comprising a frame, two hanging units symmetrically provided at both sides of the frame, and a front guiding wheel and a rear universal wheel provided below the frame, wherein each of the hanging units comprises a mounting rack fixedly connected to the frame, a hanging rack slidably connected to the mounting rack, and a driving wheel rotatably connected to the hanging rack, and the front guiding wheel is provided with a first driving motor, and the driving wheel of each hanging unit is driven by a second driving motor, and wherein a closed loop speed control system is formed between the first driving motor and both second driving motors, such that a rotational angle of the front guiding wheel is adjustable via the first driving motor when revolving speeds of both second driving motors are changed.Type: ApplicationFiled: December 27, 2018Publication date: January 16, 2020Inventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Libing Zhou, Qi Zhao
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Patent number: 10518420Abstract: A finger of a robotic hand includes a phalanx portion including two phalanxes rotatably coupled to each other, one of the two phalanxes being rotatable about a rotation axis with respect to the other one of the two phalanxes; and a stopper structure including a first stopper member connected to the one of the two phalanxes and a second stopper member connected to the other one of the two phalanxes. The first stopper member extends around the rotation axis, and a circumferential space is defined between the first stopper member and the second stopper member and allowing the first stopper member to rotate together with the one of the two phalanxes in a predetermined range.Type: GrantFiled: December 27, 2018Date of Patent: December 31, 2019Assignee: UBTECH ROBOTICS CORPInventors: Youjun Xiong, Wenhua Yu, Qi Zhao, Kunlei Zhao, Jiawen Hu, Yangyu Pi, Jianxin Pang
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Publication number: 20190366787Abstract: The present disclosure provides a suspension system, and a chassis with the same. The system includes: a fixing frame having an opening; a suspension frame disposed at the opening; and a driving wheel rotationally coupled to the suspension frame. In which, two ends of the suspension frame are respectively disposed on two ends of the fixing frame at the two sides of the opening to be selectively moved up and down along a height direction of the fixing frame, and two elastic members are respectively disposed between each of the two ends of the suspension frame and the corresponding end of the fixing frame at the two sides of the opening. In the present disclosure, the fixing frame and the suspension frame can move with respect to each other in a vertical direction, and the resetting adjustment is realized through the elastic member.Type: ApplicationFiled: December 26, 2018Publication date: December 5, 2019Inventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Libing Zhou, Hailang Zhou
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Patent number: 10384352Abstract: A finger of a robotic hand includes a phalanx portion including at least two phalanxes rotatably coupled to each other, a rotating member that is rotatable with respect to the phalanx portion, a rope having two opposite ends respectively connected to one phalanx and the rotating member, a rotating cam driven by a driving device and having a lateral surface that stays in contact with the rotating member, the rotating cam being configured to push the rotating member to rotate the rotating member in a first direction, and an elastic member connected to the rotating member and configured to apply a force to the rotating member to rotate the rotating member in a second direction.Type: GrantFiled: December 27, 2018Date of Patent: August 20, 2019Assignee: UBTECH Robotics CorpInventors: Youjun Xiong, Kunlei Zhao, Wenhua Yu, Qi Zhao, Jiawen Hu, Yangyu Pi, Jianxin Pang
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Publication number: 20190160657Abstract: A spatial crossed-axis transmission mechanism includes a rotatable driving member, an actuating member, and a support member for fixing the driving member and the actuating member. The driving member comprises a first end surface adjacent to the support member, and an Archimedes spiral groove is defined in the first end surface of the driving member. The actuating member includes an end surf adjacent to the support member and a sliding shaft on the end surface of the actuating member. The support member defines a straight groove passing therethrough, and the sliding shaft comprises an end that extends through the straight groove and fits into the Archimedes spiral groove.Type: ApplicationFiled: August 28, 2018Publication date: May 30, 2019Inventors: Youjun XIONG, Kunlei Zhao
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Patent number: D910782Type: GrantFiled: November 26, 2017Date of Patent: February 16, 2021Assignee: UBTECH ROBOTICS CORP.Inventors: Jian Zhou, Huaqiang Lu, Yiping Li, Youjun Xiong, John Rhee, Peng Deng, Jianxin Pang, Zheng Xie, Shulong Liu, Yangyu Pi, Youpeng Li, Jing Shi, Yizhang Liu, Kunlei Zhao