Lateral surface member structure of vehicle body
A lateral surface member structure ( 100 ) of a vehicle body ( 1 ) includes a tubular body ( 110 ) extending in a front-rear direction of the vehicle body ( 1 ) and an impact absorbing member ( 120 ) disposed inside the tubular body ( 110 ). The impact absorbing member ( 120 ) includes a web ( 121 ) extending along the front-rear direction and flat in a vehicle width direction, a vehicle outer flange ( 122 ) joined to a vehicle outer end portion of the web ( 121 ) and extending along the front-rear direction, and a vehicle inner flange ( 123 ) joined to a vehicle inner end portion of the web ( 121 ) and extending along the front-rear direction. The vehicle outer flange ( 122 ) and the vehicle inner flange ( 123 ) each include a rib ( 122 R, 123 R) disposed so as to sandwich the web ( 121 ) from above and below and extending along the front-rear direction.
1. A lateral surface member structure of a vehicle body, comprising:
a tubular body extending in a front-rear direction of the vehicle body; and
an impact absorbing member disposed inside the tubular body,
wherein the impact absorbing member includes
a web extending along the front-rear direction and flat in a vehicle width direction,
a vehicle outer flange joined to a vehicle outer end portion of the web and extending along the front-rear direction, and
a vehicle inner flange joined to a vehicle inner end portion of the web and extending along the front-rear direction, and
the vehicle outer flange and the vehicle inner flange include a rib disposed so as to sandwich the web from above and below and extending along the front-rear direction.
2. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the web is compressed in an up-down direction in a state of being sandwiched from above and below by the rib.
3. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein a sheet thickness of the web is equal to or less than a sheet thickness of the vehicle outer flange and a sheet thickness of the vehicle inner flange.
4. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the rib and the web are joined to each other.
5. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the web is a wavy sheet that is repeatedly bent up and down alternately along the front-rear direction.
6. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the web is a metal porous body.
7. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the web is formed by arranging a plurality of pipes having a central axis along the vehicle width direction along the front-rear direction.
8. The lateral surface member structure of a vehicle body according to claim 7 ,
wherein a first pipe and a second pipe adjacent to each other in the plurality of pipes are joined to each other.
9. The lateral surface member structure of a vehicle body according to claim 1 ,
wherein the tubular body has a support portion that is supported in the vehicle width direction by an intersecting member which intersects in the vehicle width direction, and
wherein a sheet thickness of the vehicle outer flange and a sheet thickness of the vehicle inner flange have different portion in the front-rear direction according to a bending moment distribution generated in a cross section of the tubular body perpendicular to the front-rear direction when a load is applied to a middle portion of the tubular body excluding the support portion in the vehicle width direction.
10. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein a sheet thickness of the web is equal to or less than a sheet thickness of the vehicle outer flange and a sheet thickness of the vehicle inner flange.
11. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein the rib and the web are joined to each other.
12. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein the web is a wavy sheet that is repeatedly bent up and down alternately along the front-rear direction.
13. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein the web is a metal porous body.
14. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein the web is formed by arranging a plurality of pipes having a central axis along the vehicle width direction along the front-rear direction.
15. The lateral surface member structure of a vehicle body according to claim 14 ,
wherein a first pipe and a second pipe adjacent to each other in the plurality of pipes are joined to each other.
16. The lateral surface member structure of a vehicle body according to claim 2 ,
wherein the tubular body has a support portion that is supported in the vehicle width direction by an intersecting member which intersects in the vehicle width direction, and
wherein a sheet thickness of the vehicle outer flange and a sheet thickness of the vehicle inner flange have different portion in the front-rear direction according to a bending moment distribution generated in a cross section of the tubular body perpendicular to the front-rear direction when a load is applied to a middle portion of the tubular body excluding the support portion in the vehicle width direction.