Electric-vehicle-body structure having a center frame that is higher than a floor panel
An electric-vehicle-body structure includes a floor panel constituting a floor of an occupant space, and a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion of the occupant space and extending in a front-rear direction. A battery unit includes battery frames disposed at a lower position than the floor panel and extending in the front-rear direction. Such a positional relation is achieved in which the battery frames and the center frame overlap each other in a plan view.
1. An electric-vehicle-body structure provided in an electric vehicle including a traveling motor and a battery section that supplies electric power to the traveling motor, the electric-vehicle-body structure comprising:
a floor panel constituting a floor of an occupant space including a seat on which a passenger sits; and
a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion of the occupant space and extending in a vehicle front-rear direction, wherein
the battery section includes a battery frame disposed at a lower position than the floor panel and extending in the vehicle front-rear direction, wherein the battery section includes a front-side structure which extends in the vehicle-width-direction at the front end of the battery section and a rear-side structure which extends in the vehicle-width-direction at the rear end of the battery section, and the battery frame extends from the front-side structure to the rear-side structure, and
disposition positions of the battery frame and the center frame are set to achieve a positional relation in which the battery frame and the center frame overlap each other in a plan view.
2. The electric-vehicle-body structure according to claim 1 , wherein the battery frame is disposed at a vehicle-width-direction central portion.
3. The electric-vehicle-body structure according to claim 2 , further comprising a front-side motor support frame extending from a front portion of the battery section to a vehicle front side and supporting the traveling motor on a vehicle front side of the battery section.
4. The electric-vehicle-body structure according to claim 3 , further comprising a rear-side motor support frame extending from a rear portion of the battery section to a vehicle rear side and supporting the traveling motor on a vehicle rear side of the battery section.
5. The electric-vehicle-body structure according to claim 4 , further comprising a dash panel extending upward from a front portion of the floor panel and partitioning a vehicle front portion of the occupant space, wherein
the front-side structure is fixed to a lower portion of the dash panel, and
a front portion of the center frame is connected to a part of the dash panel, the part being positioned to be higher than and away from the floor panel.
6. The electric-vehicle-body structure according to claim 1 , further comprising a rear-side motor support frame extending from a rear portion of the battery section to a vehicle rear side and supporting the traveling motor on a vehicle rear side of the battery section.
7. The electric-vehicle-body structure according to claim 2 , further comprising a rear-side motor support frame extending from a rear portion of the battery section to a vehicle rear side and supporting the traveling motor on a vehicle rear side of the battery section.
8. The electric-vehicle-body structure according to claim 1 , further comprising a front-side motor support frame extending from a front portion of the battery section to a vehicle front side and supporting the traveling motor on a vehicle front side of the battery section.
9. The electric-vehicle-body structure according to claim 1 , wherein the battery section includes a battery cross structure which extends in the vehicle-width-direction and is located between the front-side structure and the rear-side structure in the vehicle front-rear direction and the center frame extends to a vehicle rear side of the battery cross structure.
10. The electric-vehicle-body structure according to claim 2 , wherein the battery section includes a battery cross structure which extends in the vehicle-width-direction and is located between the front-side structure and the rear-side structure in the vehicle front-rear direction and the center frame extends to a vehicle rear side of the battery cross structure.
11. The electric-vehicle-body structure according to claim 3 , wherein the battery section includes a battery cross structure which extends in the vehicle-width-direction and is located between the front-side structure and the rear-side structure in the vehicle front-rear direction and the center frame extends to a vehicle rear side of the battery cross structure.
12. The electric-vehicle-body structure according to claim 4 , wherein the battery section includes a battery cross structure which extends in the vehicle-width-direction and is located between the front-side structure and the rear-side structure in the vehicle front-rear direction and the center frame extends to a vehicle rear side of the battery cross structure.
13. The electric-vehicle-body structure according to claim 1 , wherein the battery section includes a front-side battery cross structure which extends in the vehicle-width-direction and a rear-side battery cross structure which extends in the vehicle-width-direction, the rear-side battery cross structure is located at a vehicle rear side of the front-side battery cross structure, and the center frame extends to a vehicle rear side of the rear-side battery cross structure.
14. The electric-vehicle-body structure according to claim 2 , wherein the battery section includes a front-side battery cross structure which extends in the vehicle-width-direction and a rear-side battery cross structure which extends in the vehicle-width-direction, the rear-side battery cross structure is located at a vehicle rear side of the front-side battery cross structure, and the center frame extends to a vehicle rear side of the rear-side battery cross structure.