Straight cylinder type automobile hub

The utility model discloses a straight cylinder type automobile hub. Including a hub, the wheel hub comprises a wheel hub body, the rim is provided with a middle groove bottom, an inner side tire beadseat close to the vehicle and an outer side tire bead seat deviating from the vehicle; a rim flange is arranged on one side, axially close to the vehicle, of the inner side tire bead seat; a steppedwelding part is arranged on one side, axially deviating from the vehicle, of the outer tire bead seat; a spoke flange is arranged at the radial edge of the spoke; a welding part axially extends from the edge of one side, close to the vehicle, of the spoke flange to one side close to the vehicle; a semi-closed groove is formed in the axial inner side edge of the welding part, the stepped welding part of the outer side bead seat of the rim is fixedly connected with the semi-closed groove of the welding part of the spoke, and a straight cylinder structure is formed by the radial inner side edge of the connecting part afte