Vehicle cabin body structure

1. A vehicle cabin body structure comprising:

a side sill;

a floor fixedly attached to the side sill;

a dash wall fixedly attached to the side sill and the floor at least partially defining a passenger compartment of a vehicle; and

an inner reinforcing bracket having a sill attachment section attached to an inboard surface of the side sill, a dash wall attachment section attached to an interior surface of the dash wall, a first floor attachment section and a second floor attachment section, the first floor attachment section being directly attached to an upper surface the floor at a location forward of the sill attachment section, the second floor attachment section attached to the floor at a location rearward of the sill attachment section, the first floor attachment section and the sill attachment section being spaced apart from one another by a first distance measured in a vehicle longitudinal direction and the second floor attachment section and the sill attachment section being spaced apart from one another by a second distance measured in a vehicle longitudinal direction, the second distance being greater than the first distance.

2. The vehicle cabin body structure according to claim 1 , wherein

the sill attachment section is angularly offset from the dash wall attachment section by a first obtuse angle.

3. The vehicle cabin body structure according to claim 2 , wherein

the dash wall attachment section is angularly offset from the first floor attachment section by a second obtuse angle.

4. The vehicle cabin body structure according to claim 1 , wherein

the sill attachment section is perpendicular to the first floor attachment section and the second floor attachment section.

5. The vehicle cabin body structure according to claim 1 , further comprising

a floor stiffener fixedly attached to the upper surface of the floor and extending from proximate the dash wall rearward within the passenger compartment with an upper surface of the floor stiffener being spaced apart from and above the upper surface of the floor, and

the second floor attachment section being directly attached to the upper surface of the floor stiffener.

6. The vehicle cabin body structure according to claim 5 , further comprising

a floor bracket fixedly attached to the upper surface of the floor and a side surface of the floor stiffener, and

the inner reinforcing bracket further includes a rear attachment section spaced apart from and located rearward from the first floor attachment section, the rear attachment section facing and attached to an upper surface of the floor bracket.

7. The vehicle cabin body structure according to claim 1 , further comprising

a floor bracket fixedly attached to the upper surface of the floor at a location spaced apart from and rearward of the dash wall, the floor bracket extending in a transverse vehicle direction from the inboard surface of the side sill, and

the inner reinforcing bracket further includes a rear attachment section spaced apart from and located rearward from the first floor attachment section, the rear attachment section facing and attached to an upper surface of the floor bracket.

8. The vehicle cabin body structure according to claim 1 , wherein

the dash wall includes a flat section and a convex section, and

the dash wall attachment section is attached to the convex section of the dash wall.

9. The vehicle cabin body structure according to claim 1 , wherein

the inner reinforcing bracket includes a stiffening rib that extends diagonally from below the dash wall attachment section to a point adjacent to the floor attachment section.

10. A vehicle cabin body structure comprising:

a side sill;

a floor fixedly attached to the side sill;

a dash wall fixedly attached to the side sill and the floor at least partially defining a passenger compartment of a vehicle;

an inner reinforcing bracket having a sill attachment section attached to an inboard surface of the side sill, a dash wall attachment section attached to an interior surface of the dash wall and a floor attachment section attached to an upper surface the floor; and

an offset bracket fixed to a front surface of the dash wall, and the dash wall attachment section of the inner reinforcing bracket includes an aperture with a fastener extending through an aperture in the dash wall and through an aperture in the offset bracket.

11. The vehicle cabin body structure according to claim 10 , further comprising

an exterior reinforcing bracket disposed within a wheel well defined in front of the dash wall being attached to the offset bracket.

12. The vehicle cabin body structure according to claim 10 , wherein

the inner reinforcing bracket includes a stiffening rib that extends diagonally from below the dash wall attachment section to a point adjacent to the floor attachment section.

13. The vehicle cabin body structure according to claim 10 , further comprising

a floor bracket fixedly attached to the upper surface of the floor at a location spaced apart from and rearward of the dash wall, the floor bracket extending in a transverse vehicle direction from the inboard surface of the side sill, and

the inner reinforcing bracket further includes a rear attachment section spaced apart from and located rearward from the floor attachment section, the rear attachment section facing and attached to an upper surface of the floor bracket.

14. A vehicle cabin body structure comprising:

a side sill;

a floor fixedly attached to the side sill;

a dash wall fixedly attached to the side sill and the floor at least partially defining a passenger compartment of a vehicle;

an A-pillar support portion extending upward from the side sill and being fixedly attached to the dash wall; and

an inner reinforcing bracket having a sill attachment section attached to an inboard surface of the side sill, a dash wall attachment section attached to an interior surface of the dash wall, a floor attachment section attached to an upper surface the floor and an A-pillar attachment section spaced apart from and located above the sill attachment section, the A-pillar attachment section attached to the interior surface of the A-pillar support portion such that the A-pillar attachment section and the sill attachment section are spaced apart from each other in a transverse vehicle direction, the floor attachment section being located rearward of both the sill attachment section and the A-pillar attachment section relative to a vehicle longitudinal direction.

15. The vehicle cabin body structure according to claim 14 , wherein

the A-pillar attachment section is parallel to the sill attachment section.

16. The vehicle cabin body structure according to claim 14 , wherein

the interior surface of the dash wall includes a flat section and a convex section, the convex section having an outboard edge fixedly attached to the A-pillar support portion, and

the dash wall attachment section being attached to the convex section of the dash wall.

17. The vehicle cabin body structure according to claim 14 , further comprising

a floor stiffener fixedly attached to the upper surface of the floor and extending from proximate the dash wall rearward within the passenger compartment with an upper surface of the floor stiffener being spaced apart from and above the upper surface of the floor, and

the inner reinforcing bracket further includes a second floor attachment section spaced apart from the floor attachment section, the second floor attachment section attached to the upper surface of the floor stiffener.

18. The vehicle cabin body structure according to claim 17 , further comprising

a floor bracket fixedly attached to the upper surface of the floor extending in a transverse vehicle direction from the inboard surface of the side sill and being spaced apart from the dash wall, and

the inner reinforcing bracket further includes a rear attachment section spaced apart from and located rearward from the floor attachment section, the rear attachment section attached to an upper surface of the floor bracket.

19. The vehicle cabin body structure according to claim 14 , further comprising

a floor bracket fixedly attached to the upper surface of the floor extending in a transverse vehicle direction from the inboard surface of the side sill, and

the inner reinforcing bracket further includes a rear attachment section spaced apart from and located rearward from the floor attachment section and the sill attachment section, the rear attachment section facing and attached to an upper surface of the floor bracket.

20. The vehicle cabin body structure according to claim 14 , wherein

the side sill includes a ledge surface that is horizontally oriented and extends in a vehicle longitudinal direction; and

a portion of the inner reinforcing bracket between the sill attachment section and the A-pillar attachment section spans the ledge surface of the side sill.