Cargo body assembly for mobility

A purpose-based mobility comprising:

• a vehicle body;
• and
• a cargo body assembly removably connected to the vehicle body, wherein the cargo body assembly comprises:
• a cargo under body removably connected to the vehicle body,
• a cargo upper body connected to the cargo under body, and the cargo upper body comprises cargo-upper-body hybrid members, wherein each of the cargo-upper-body hybrid members includes injection reinforcing material molded on an outer surface of a tubular part, wherein the cargo-upper-body hybrid members are disposed along a front-rear direction, a vehicle width direction, and a vertical direction of the vehicle body,
• reinforcement members connected to the cargo upper body along the front-rear direction and the vehicle width direction of the vehicle body, and
• outer plates including plastic composite material connected to the cargo upper body and the reinforcement members by at least one of adhesive, rivets, or bolts;
• and
• wherein the cargo-upper-body hybrid members comprise:
• pillar hybrid members disposed along the vertical direction on both sides of the cargo under body along the vehicle width direction of the vehicle body and arranged along the front-rear direction of the vehicle body,
• roof side hybrid members connected along the front-rear direction of the vehicle body to first upper portions of the pillar hybrid members,
• a front roof hybrid member connected along the vehicle width direction to second upper portions of the pillar hybrid members positioned at a front side of the vehicle body, and
• a rear roof hybrid member connected along the vehicle width direction to third upper portions of the pillar hybrid members positioned at a rear side of the vehicle body.