US 12,466,059 B2
Clutch adapted for exoskeleton and ankle joint assisted exoskeleton
Cai-Hua Xiong, Hubei (CN); Tao Wang, Hubei (CN); Di Hu, Hubei (CN); Jie jun yi Liang, Hubei (CN); Yuhao Li, Hubei (CN); Tian-Cheng Zhou, Hubei (CN); and Wen-Bin Chen, Hubei (CN)
Assigned to HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Hubei (CN)
Filed by HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Hubei (CN)
Filed on Jul. 13, 2022, as Appl. No. 17/864,355.
Claims priority of application No. 202111371470.5 (CN), filed on Nov. 18, 2021.
Prior Publication US 2023/0150122 A1, May 18, 2023
Int. Cl. B25J 9/00 (2006.01); A61H 1/02 (2006.01); A61H 3/00 (2006.01); B25J 9/10 (2006.01)
CPC B25J 9/0006 (2013.01) [A61H 1/0266 (2013.01); B25J 9/109 (2013.01); A61H 3/00 (2013.01); A61H 2003/007 (2013.01); A61H 2201/1445 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A clutch adapted for an exoskeleton, the clutch comprising a clutch lower base plate, a clutch upper base plate, a clutch roller, a clutch roller ratchet ring, a clutch trigger, a clutch pawl, a clutch pawl spring, a clutch trigger torsional spring, a clutch roller torsional spring, a clutch trigger positioning shaft, and a clutch pawl positioning shaft;
wherein the clutch upper base plate and the clutch lower base plate are arranged at intervals, two ends of the clutch trigger positioning shaft are respectively connected to the clutch upper base plate and the clutch lower base plate, the clutch trigger and the clutch trigger torsional spring are sleeved on the clutch trigger positioning shaft, and two ends of the clutch trigger torsional spring are respectively and fixedly connected to the clutch trigger and the clutch lower base plate;
two ends of the clutch pawl positioning shaft are respectively connected to the clutch lower base plate and the clutch upper base plate, the clutch pawl spring and the clutch pawl are sleeved on the clutch pawl positioning shaft, two ends of the clutch pawl spring are respectively and fixedly connected to the clutch lower base plate and the clutch pawl; two ends of the clutch roller are respectively and rotatably connected to the clutch lower base plate and the clutch upper base plate, two ends of the clutch roller torsional spring are respectively connected to the clutch lower base plate and the clutch roller, and the clutch roller ratchet ring is arranged on one end of the clutch roller adjacent to the clutch upper base plate;
the clutch pawl is detachably connected to the clutch roller ratchet ring, the clutch trigger is movably connected to the clutch pawl; the clutch trigger drives the clutch pawl to rotate by rotating, such that the clutch pawl abuts against the clutch roller ratchet ring or the clutch pawl is disengaged from the clutch roller ratchet ring, and that the clutch is in a locked state or an open state; when the clutch is in the locked state, the clutch roller is rotatable unidirectionally; when the clutch is in the open state, the clutch is rotatable bidirectionally.