| 主权项 |
1. A V-pulley, comprising:
a pulley body, having a through hole provided at the center of the pulley body; and wheels connected on the pulley body, comprising outer wheels and inner wheels, wherein an outer wheel is provided at each of two ends of the pulley body, respectively, coaxial annular gears and the annular inner wheels are alternately arranged between the two outer wheels, a diameter of the gears is less than a diameter of the inner wheels, and the outer wheels, the gears, and the inner wheels are fixedly connected through a connecting structure; and wherein outer circumferential surfaces of the gears are provided with meshing teeth disposed at an interval in a convex-concave manner, two adjacent wheels and the gear located between the two adjacent wheels form a V-belt groove, the opposite end surfaces of the two adjacent wheels form friction transmission belt groove side surfaces, the gear between the two adjacent wheels forms a mesh transmission gear, and the belt groove side surfaces are inclined smooth surfaces. |
