Patent-CN210218495U

Patent-CN112098070B from Google patent:

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The utility model discloses a double-piece rib brake disc capable of rapid heat dissipation, comprising an air duct disc body, a mounting disc, an inner mounting hole, ribs and ventilation holes, a mounting disc is provided at the central position of the front of the air duct disc body, an inner mounting hole is provided on the inner side of the central position of the front of the mounting disc, and an outer mounting hole is provided on the outer side of the inner mounting hole, five groups of bolt mounting holes are evenly distributed on the front of the mounting disc outside the outer mounting hole, four groups of ventilation holes are distributed on the air duct disc body between the ribs, a mounting groove is provided on the back of the air duct disc body, and a wear-resistant mounting edge is provided on the inner side of the mounting groove. The utility model is provided with four groups of ribs composed of twelve arc-shaped strips, so that the brake disc can provide greater friction under the action of the caliper, thereby ensuring the braking effect, thereby improving the use of the brake disc, and the heat dissipation cavity and ventilation holes provided can quickly dissipate the heat generated during the friction process.