Automotive rear body structure
A tire carrier member stands on a front inclined surface of a luggage storage well formed in a floor panel. Tire supporting flanges having upper surfaces on which a spare tire is placed are provided at the lower part of the tire carrier member. A tire fixing portion to which the spare tire in a vertical position is detachably fixed is provided above the tire supporting flanges.
1. An automotive rear body structure wherein a spare tire is supported in a standing position behind a rear seat, the automotive rear body structure comprising:
a floor panel having a luggage storage well formed in the rear thereof; and
a tire carrier member disposed upright on a front slope of the luggage storage well,
wherein the tire carrier member includes a tire supporting flange provided at a lower part thereof, the tire supporting flange including an upper surface on which the spare tire is placed, and a tire fixing portion provided above the tire supporting flange, the tire fixing portion detachably fixing the spare tire placed on the tire supporting flange in the standing position.
2. The rear body structure according to claim 1 , further comprising:
a first rear floor cross member located in front of the luggage storage well, extending in a vehicle width direction and connected at both ends thereof to left and right rear side frames extending in a front-rear direction;
a second rear floor cross member provided along the luggage storage well, extending in the vehicle width direction and connected at both ends thereof to the left and right rear side frames; and
a seatbelt anchor reinforcement member provided on the floor panel and connected to the first rear floor cross member,
wherein the tire carrier member includes an attachment base member and a post member,
wherein the attachment base member includes the tire supporting flange and an inclined portion inclined along a surface of the front slope of the luggage storage well,
wherein a front portion of the attachment base member is fixed to the seatbelt anchor reinforcement member with the floor panel therebetween, and a rear portion of the attachment base member is fixed to the second rear floor cross member with the floor panel therebetween, and
wherein the post member is connected at the lower end thereof to the inclined portion of the attachment base member, extends upright from the attachment base member, and includes the tire fixing portion.
3. The rear body structure according to claim 2 , wherein the second rear floor cross member includes an inverted hat-shaped cross section including front and rear connecting flanges connected to the floor panel respectively,
wherein the attachment base member is fixed to the front connecting flange at left and right front fixing points, and fixed to the rear connecting flange at left and right rear fixing points,
wherein the distance C between the left and right rear fixing points is smaller than the distance B between the left and right front fixing points, and
wherein the tire supporting flange is disposed above the left and right rear fixing points and comprises left and right tire supporting flange members disposed on the outer side of the left and right rear fixing points in the vehicle width direction, respectively.
4. The rear body structure according to claim 2 , further comprising a tire front supporting member attached to the post member at a position below the tire fixing portion and above the tire supporting flange, the tire front supporting member extending in the vehicle width direction.
5. The rear body structure according to claim 2 , further comprising a jack supporting portion disposed on a side surface of the post member, wherein the jack supporting portion detachably supports a jack.