Reinforcing rib structure for reducing torque attenuation

The utility model discloses a reinforcing rib structure for reducing torque attenuation, and relates to the field of automobile parts, the structure is used for connecting an auxiliary frame and a swing arm, a swing arm mounting cavity is formed between an upper-layer plate and a lower-layer plate of the auxiliary frame and is used for placing the swing arm, the swing arm is provided with a sawtooth structure, and the sawtooth structure is arranged towards the upper-layer plate; the side, facing the sawtooth structure, of the upper layer plate is stamped to form a boss, a plurality of stamping ribs are stamped on the surface of the boss and used for being matched with the sawtooth structure to achieve meshing, and the stamping ribs face the swing arm. The utility model has the beneficial effects that the problem of insufficient rigidity of the boss structure is solved by adding the design of the ribbing structure, and the problem that the contact area between the sawteeth and the metal surface is controlled u