A FIRMER-FIXATION BUSHING FOR A HIGH-VOLTAGE DC RELAY

摘要

Title: A FIRMER-FIXATION BUSHING FOR A HIGH-VOLTAGE DC RELAY Abstract The present invention relates to a firmer-fixation bushing for a high-voltage DC relay. The bushing for a firmer-fixation bushing for a high-voltage DC relay is provided, wherein a through guide hole is formed on the bushing; an inner wall of the guide hole is a smooth structure, and a number of ribs protruding outward are formed on an outer wall of the bushing; the ribs are evenly distributed on an outer wall of the middle bushing portion at intervals along the circumferential direction of the bushing. ------ --- --- ----- -- --- ----------1-