Linear ball guide rail

• Main Authors: GE BINGJIE, XU YONGSHI
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a linear ball guide rail which comprises a sliding block, two cover plates and two end covers, the cover plates are fixedly installed at the two opposite ends of the sliding block respectively, the end covers are arranged between the two opposite ends of the sliding block and the cover plates respectively, and each end cover is provided with a first matching face matched with the corresponding cover plate and a second matching face matched with the sliding block. Two groups of oil ways are symmetrically arranged on the second matching surface, each oil way comprises a guide oil way, a first oil groove, a connecting oil way and a second oil groove which are sequentially arranged, the first oil grooves are communicated with the first backflow holes in the first matching surface through first oil through holes, and the second oil grooves are communicated with the second backflow holes in the first matching surface through second oil through holes. According to the linear ball guide ra