Rotary ball spline shaft

• Main Author: CHEN YONGFENG
• Format: Patent
• Language: Chinese; English
• Published: 02.09.2022
• Subjects: BLASTING; CLEANING; CLEANING IN GENERAL; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model discloses a rotary ball spline shaft which comprises a shaft body and a sleeve body, ball grooves are formed in the shaft body in an annular array mode, and cleaning mechanisms are arranged at the two ends of the sleeve body. The cleaning mechanism comprises circular rings located at the two ends of the sleeve body, protruding blocks annularly arrayed on the inner walls of the circular rings, U-shaped plates arranged on the sides, away from the circular rings, of the protruding blocks, and sliding blocks arranged at the bottoms of the U-shaped plates and matched with the ball grooves. Through the arranged structures such as a circular ring, a convex block, a U-shaped plate and a sliding block, the sliding block can slide in a ball groove in advance in the process that a steel ball in the sleeve body rolls along the interior of the ball groove, foreign matter such as dust in the ball groove is cleaned, the cleaning degree of the interior of the ball groove is improved, and the service life of