JP3140505B2 - Car side body structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body side structure, and more particularly to a structure for reinforcing a vehicle body side portion between a center pillar portion and a rear wheel house portion.

[0002]

2. Description of the Related Art Conventionally, as a side body structure of an automobile,
A center pillar or side sill having a closed cross-section structure to increase its rigidity, or a center pillar reinforcement that extends in the vertical direction of the vehicle body in a closed cross section of the center pillar as disclosed in, for example, Japanese Utility Model Laid-Open No. 61-41083. Are known to further increase the rigidity of the center pillar.

[0003]

By the way, in order to secure the safety of the occupant especially in the event of a side collision from the center of the side body to the rear, in addition to the above-described improvement of the rigidity of the center pillar and the side sill, the rear wheel is not required. It is desirable to consider more comprehensive reinforcement of the vehicle body structure, including protection of the suspension device. Conventionally, although the center pillars and side sills were individually reinforced as described above, it is not widely known that the reinforcement of the vehicle body side from the center pillar to the rear wheel house was comprehensively planned. I didn't.

In view of the above-mentioned problems, the present invention comprehensively and integrally reinforces a vehicle body side portion from a center pillar portion to a rear wheel house portion, thereby effectively increasing the rigidity of the vehicle body and improving occupant safety. It is an object of the present invention to provide a side body structure of an automobile for which security is ensured.

[0005]

In order to solve the above-mentioned problems, a vehicle side body structure according to the present invention comprises a side sill extending in the vehicle longitudinal direction, and a center extending upward from the intermediate portion of the side sill in the vehicle longitudinal direction. A pillar, a wheel house panel extending from the rear end of the side sill in the vehicle longitudinal direction to the rear of the vehicle in an arc shape to form a rear wheel house, and a center pillar reinforcement extending vertically in the center pillar. In the side body structure of an automobile, the center pillar reinforcement
Together are joined to the panel constituting the side sill extends to within the side sill, the wheel house
The panel is a wheel house outer panel located outside the car body
And the wheel house inner panel located inside the vehicle body
Are joined together, and the wheel house outer
The wheel house outer panel on the outside of the car body than the panel
A suspension housing reinforcement that is joined to the panel to form a closed cross section, extends from the extension of the center pillar reinforcement along the side sill and the wheel house panel, and is provided on the wheel house panel. Side sill inner and side connected to each other and constituting the side sill
Double sill in side sill by joining with sill outer panel
While forming a closed section, the wheel house outer panel
A side sill reinforcement that forms a closed cross section at the upper portion of the wheel house outer panel by joining with the wheel house .

[0006]

According to the side body structure of the automobile according to the present invention described above, the center pillar reinforcement, which extends in the center pillar in the vertical direction of the car body, extends to the inside of the side sill and is joined therewith. A side sill reinforcement that extends from the part to the suspension housing reinforcement in the side sill and along the rear wheel house panel and is connected to the suspension housing reinforcement and continuously forms a closed section together with the side sill forming panel and the wheel house panel is provided. So
The center pillar, the side sill, the wheel house panel and the suspension housing reinforcement are interconnected, so that the side of the vehicle body from the center pillar section to the rear wheel house section can be totally and integrally reinforced. In particular, the side impact load is
ー Reinforcement and suspension housing
Since it is distributed to reinforcements,
Safety against collision can be improved.

[0007] By thus comprehensively reinforcing the center pillar, the side sill and the rear wheel house, the center pillar, the rear wheel house and the rear wheel house can be reinforced more effectively. It is effective to prevent the center pillar and rear suspension from falling inside and the side sill from breaking inside. In particular, since the side sill portion has a closed cross section formed by the panel constituting the side sill and the side sill reinforcement, the side sill portion has a double closed cross section structure, and the effect of reinforcement is remarkable. Also,
By comprehensively and integrally reinforcing from the center pillar portion to the rear wheel house portion, the torsional rigidity of the vehicle body can be effectively increased.

[0008] Also, side sill reinforcement
Forms a closed section at the top of the wheel house outer panel
To reduce it at the expense of cabin space
The rigidity can be increased without the need.

As described above, according to the vehicle side body structure according to the present invention, the vehicle body side portion between the center pillar portion and the rear wheel house portion is comprehensively and integrally reinforced, so that the vehicle body structure is improved. This is effective in effectively increasing the rigidity and ensuring the safety of the occupants.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a vehicle body structure according to an embodiment of the present invention; FIG.
1 is a perspective view schematically showing the entire structure of a side body structure of an automobile according to an embodiment of the present invention, with a part thereof broken away, FIGS. 2 and 3 are cross-sectional views showing the same, and FIG. II in
3 is a sectional view taken along line III-III in FIG.

The vehicle body structure shown in FIG. 1 is one in which the present invention is applied between a center pillar portion and a rear wheel house portion on a left side surface of a four-door vehicle. As shown in FIG. 1, a side sill 2 extends in the vehicle front-rear direction along an edge of the floor panel 1 in the vehicle width direction, and a front door extends upward from the center of the side sill 2 in the vehicle front-rear direction. The vehicle includes a center pillar 5 defining an opening 3 and a rear door opening 4, a wheel house panel 7 forming an arch of a rear wheel house 6 accommodating a rear wheel, and the like.

The center pillar 5 is formed by joining a pillar outer panel 5a and a pillar inner panel 5b indicated by phantom lines so as to form a closed section with each other.
Also, the side sill outer panel 2a and the side sill inner panel 2b indicated by phantom lines are joined to each other so as to form a closed cross section. As shown in FIG. 3, the wheel house panel 7 is formed by joining a wheel house outer panel 7a located outside the vehicle body and a wheel house inner panel 7b located inside the vehicle body to each other. The front half of the arch portion of the wheel house 6 is joined to the panel 8 so as to form a closed section together with the panel 8 located further outside the vehicle body than the panel 7a. As shown in FIG. 1, a suspension housing reinforcement 9 for protecting a rear wheel suspension device is provided on the top of the wheel house panel 7.

In the side body structure of the present embodiment, a center pillar reinforcement 10 extending in the vertical direction of the vehicle body in the center pillar 5 so as to be sandwiched between the center pillar outer panel 5a and the center pillar inner panel 5b.
Is extended into the side sill 2, the extended portion 10a is joined to the two panels 2a, 2b in a form sandwiched by the side sill outer panel 2a and the side sill inner panel 2b, and the rear end of the extended portion 10a A side sill reinforcement 11 is provided, which extends rearward from the vehicle body along the inside of the side sill 2 and along the wheel house outer panel 7a, and is connected to the suspension housing reinforcement 9.

As shown in FIG. 2, in the side sill 2, the side sill reinforcement 11 is joined to the side sill outer panel 2a and the side sill inner panel 2b so as to be sandwiched by the two panels 2a and 2b. The inside of the side sill 2 is defined as a double closed cross section by the side sill reinforcement 11. Further, as shown in FIG. 3, in the arch portion of the rear wheel house 6, the side sill reinforcement 11 is moved together with the wheel house outer panel 7a.
It is joined to the panel 7a so as to form a closed cross section at its upper part .

According to the structure of the vehicle side body structure according to the present embodiment as described above, the vehicle body side portion between the center pillar portion and the rear wheel house portion is integrally and integrally reinforced. This is effective for preventing the center pillar 5 and the rear suspension from falling down in the event of a side collision, preventing the side sill 2 from bending inside, and improving the torsional rigidity of the vehicle body.

Although the embodiment of the vehicle body structure according to the present invention has been described above, the present invention is not limited to such an embodiment. For example, in the above embodiment, the side sill reinforcement 11 is integrally formed from the inside of the side sill 2 to the wheel house panel 7 portion.
The side sill reinforcement may be constituted by several divided members. In the above-described embodiment, the side sill reinforcement 11 and the extension 10a of the center pillar reinforcement 10 are formed separately, but they may be formed integrally. In the above embodiment, the side sill reinforcement 11 is sandwiched between the side sill outer panel 2a and the side sill inner panel 2b.
The side sill reinforcement is joined to the side sill reinforcement panel so as to form a closed cross section together with the panel constituting the side sill (the side sill outer panel 2a and the side sill inner panel 2b in the above embodiment). The joining method is not limited. In the above embodiment, the left side of the vehicle body has been described, but the present invention is of course applicable to the right side of the vehicle.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an entire configuration of a side body structure of an automobile according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG. 1, showing a sectional structure of the side body structure.

FIG. 3 is a sectional view taken along line III-III in FIG. 2, showing a sectional structure of the side body structure.

[Explanation of symbols]

2 Side Sill 5 Center Pillar 6 Rear Wheel House 7 Wheel House Panel 9 Suspension Housing Reinforcement 10 Center Pillar Reinforcement 10a Extension 11 Side Sill Reinforcement

──────────────────────────────────────────────────続 き Continued on the front page (56) References Japanese Utility Model 3-24975 (JP, U) Japanese Utility Model 2-109776 (JP, U) Japanese Utility Model 3-69578 (JP, U) Japanese Utility Model 2 148877 (JP, U) Fully open Hei 2-26979 (JP, U) Fully open Showa 61-117772 (JP, U) Fully open Showa 60-182283 (JP, U) Fully open Showa 61-41083 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B62D 25/04 B62D 25/08 B62D 25/20

Claims (1)

(57) [Claims] 1. A side sill extending in the vehicle longitudinal direction, a center pillar extending upward from the intermediate portion of the side sill in the vehicle longitudinal direction, and a rear wheel extending from the rear end of the side sill in the vehicle longitudinal direction to the rear of the vehicle in an arc shape. a wheel house panel forming a house, the automobile side body structure that includes a center pillar reinforcement extending the center pillar in the vertical direction, the center pillar reinforcement is extends to within the side sill The wheel house panel is joined to a panel constituting the side sill, and the wheel house panel is located on the outside of the vehicle body.
Ruhaus outer panel and wheels located inside the vehicle
The house inner panel is joined to each other, and a panel is provided outside the vehicle body more than the wheel house outer panel.
The wheel forms a closed cross section with the wheel house outer panel
And extends from the extension of the center pillar reinforcement along the side sill and the wheel house panel, is connected to a suspension housing reinforcement provided on the wheel house panel, and Make up side sill inner
And side sill
Forming a double closed section in the wheel house
The wheel house outer pad
A side body structure of an automobile, wherein a side sill reinforcement forming a closed cross section is provided at an upper part of the panel .