Sleeve type reciprocating transmission device

• Main Authors: WU CHANGLIN, XIU LINGONG, WU SHAOJUN, SHI YUJUAN, CHEN YONGYUAN, LIU JIANWEI
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: ARTIFICIAL RESPIRATION; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSESOR SPECIFIC PARTS OF THE BODY; HUMAN NECESSITIES; HYGIENE; MASSAGE; MEDICAL OR VETERINARY SCIENCE; PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING ORSTIMULATING REFLEX POINTS IN THE BODY

The utility model discloses a sleeve type reciprocating transmission device and belongs to the technical field of gait training devices. The driving assembly is provided with an output shaft and is fixed on the shell; the lead screw is provided with a first end and a second end, the first end is sleeved with a radial bearing, and a thrust bearing is arranged at the end of the first end and rotationally connected with the shell; the lead screw is sleeved with a transmission seat, and the transmission seat is in transmission connection with the output shaft. Threads are arranged on the outer surface of the second end; the nut is in threaded connection with the second end; the mechanical arm can be driven to swing when the nut moves; swing of the mechanical arm is achieved in the mode that the lead screw rotates to drive the nut to move, the thrust bearing between the lead screw and the shell can bear axial force applied to the lead screw by the mechanical arm, the situations of looseness, vibration, heating and