Universal rear axle structure

The utility model discloses a universal rear axle structure, and relates to the field of automobiles. The universal rear axle structure comprises a rear axle body and a hub mounting plate. The rear axle body is provided with an axle body, two axle heads oppositely arranged at the two ends of the axle body and two spring seats arranged on the axle body and close to the axle heads at the two ends respectively, and the two axle heads are arranged in a sinking mode relative to the axle body. The hub mounting plates and the shaft heads are arranged in a one-to-one correspondence mode, the hub mounting plates and the sunken shaft heads jointly form a mounting space, and the hub mounting plates are used for mounting any one of a disc brake, a drum brake or an EPB electronic caliper into the mounting space through third-generation hub bearings. On one hand, the third-generation hub bearing is adopted, and the service life is greatly prolonged. And on the other hand, the shaft head of the rear shaft is arranged in a s