Driving spiral bevel gear of racing vehicle

The invention discloses a driving spiral bevel gear of a racing vehicle, and relates to a gear. The bevel gear comprises a driving gear and a driven gear, wherein the driving gear and the driven gear are engaged to each other; and the end surface, far from a gear shaft, of the driving gear adopts a concave spherical surface structure. The bevel gear is researched, developed and designed based on the racing vehicle; and the researched and developed driving spiral bevel gear of the racing vehicle is industrially applied, and has the characteristics of high processing precision, long service life and good engagement transmission smoothness.