Guide pin structure in automobile brake caliper

• Main Authors: LING LIFENG, DING ZICHAO, HUANG QIJUN, HU KAI, JI HAOLONG
• Format: Patent
• Language: Chinese; English
• Published: 06.12.2022
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; 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 guide pin structure in an automobile brake caliper. The guide pin is installed in a support pin hole of an automobile brake caliper support, a center blind hole is formed in the tail end of the guide pin and serves as a guide pin middle hole, and a radial through hole is formed in the bottom of the guide pin middle hole and serves as a guide pin side hole, so that the guide pin middle hole is communicated with the outside through the guide pin side hole. An annular groove is formed in the peripheral face, outside the guide pin middle hole, of the guide pin, a pin bush is installed in the annular groove, and the guide pin is arranged in the support pin hole in a sleeved mode through the pin bush. The utility model has the advantages of simple structure, light weight, convenience in installation and the like; in terms of performance, dragging of the caliper assembly is reduced, the problems of difficult guide pin assembly, large sliding resistance and the like caused by excessive g