Drum brake stay wire installation guide mechanism

• Main Authors: LING LIFENG, HE DONG, WU HUOJUAN, WANG YONGSHENG, SHI YINGJIE, HUANG WEIJIE, FENG XIAOHONG, WANG BIANBIAN, HUANG WEIPING, HUANG DONGFANG
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a stay wire installation guide mechanism of a drum brake. A stay wire hole is formed in the brake bottom plate, a spring fixing seat is fixed in the stay wire hole, and a stay wire guide pipe is fixed on the brake bottom plate between the lower parts of the leading shoe and the trailing shoe; the elastic sheet and the spring fixing buckle are both fixed at the bottom of the pull arm, and the end part of the guide spring is sleeved in the cylindrical body; the guide spring penetrates through the stay wire guide pipe, and two ends of the guide spring are connected with the spring fixing seat and the spring fixing buckle; the stay wire firstly penetrates through the spring fixing seat on the brake bottom plate, then penetrates through the stay wire guide pipe on the brake bottom plate along the guide spring and then extends into the spring fixing buckle; the elastic piece is located over the barb at the bottom end of the pull arm, the lower surface of the elastic piece inclines downwa