JPH04310479A - Front body structure of automobile - Google Patents

Abstract

PURPOSE:To improve the rigidity of a front fender liner. CONSTITUTION:The lower end portion 28A of a front bumper side support 28 is fixed to a fitting portion 26A provided on the width end portion 26 of a front bumper 24, and the upper end portion 28B of the front bumper side support 28 is fixed to a fitting portion 20A provided on the lower end edge portion of a side member outer 20. A joint portion 28C of the front bumper side support 28 is fixed to the front portion 14A of a front fender liner 14.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front body structure for an automobile, and more particularly to a front body structure for an automobile equipped with a front fender liner.

0002

BACKGROUND OF THE INVENTION In recent years, from the viewpoint of rust prevention, a front fender liner made of resin has been installed on the inside of a front fender panel that constitutes the outer surface of the front body of an automobile in the vehicle width direction. As shown in FIG. 5, the front fender liner 70 is formed to cover the wheel, and prevents mud, snow, etc. thrown up by the tires from adhering to the inner surface of the fender and other parts of the front body, causing rust. I try not to.

0003

However, as shown in FIG. 6, the front part 72 of the front fender liner 70 has a mounting part 74 provided at the tip thereof which is fixed to the radiator support panel. Mounting part 7
A mounting portion 76 provided at a position spaced rearward from 4 is fixed to the fender apron. Therefore, the distance between the mounting portions 74 and 76 is wide, and the rigidity between the mounting portions 74 and 76 of the front fender liner 70 is low. Therefore, when driving, there is a
When loads due to air pressure, water splashed by tires, snow, etc. (arrow F in FIG. 6) are concentrated, there is a problem in that the space between the mounting portion 74 and the mounting portion 76 of the front fender liner 70 is easily deformed. there were.

SUMMARY OF THE INVENTION In consideration of the above-mentioned facts, the present invention aims to provide a front body structure for an automobile that can improve the rigidity of the front fender liner.

[0005]

[Means for Solving the Problems] The invention as set forth in claim 1 provides a front body structure for an automobile having a fender liner for shielding a lower part of a fender of an automobile, the structure including a fender liner that covers a lower part of a front bumper in the vehicle width direction. The present invention is characterized in that it includes a front bumper support member that is connected to the front side member and is provided with a fastening portion that is fastened to the front fender liner.

[0006]

According to the invention as set forth in claim 1, the front fender liner is supported by the front side member via the front bumper support member that connects the vicinity of the end of the front bumper in the vehicle width direction and the front side member. There is. Therefore, when driving, air pressure, water splashed by tires,
The load acting on the front part of the front fender liner due to pressure due to snow or the like can be sufficiently transmitted to the front side member via the front bumper support member. Therefore, the rigidity of the front fender liner, particularly the rigidity of the front part of the front fender liner, can be improved, and deformation of the front fender liner can be prevented.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automobile front body structure according to the present invention will be described with reference to FIGS. 1 to 4.

In the figure, arrow FR indicates the forward direction of the vehicle body, arrow IN indicates the inside direction of the vehicle body, and arrow UP indicates the upward direction of the vehicle body.

As shown in FIG. 4, a front body 1 of a vehicle body 10 to which the front body structure of an automobile according to the present embodiment is applied.
A fender panel 12 is arranged on the side of 0A. At the lower part of the fender panel 12 and the fender apron (not shown), an arched front fender liner 14 is arranged to cover the wheels. The front part 14 of this front fender liner 14
A reaches the front of the wheel house, and the front end is
A horizontal portion 16 extends substantially horizontally toward the front in the longitudinal direction of the vehicle body.
It is said that Also, front fender liner 14
A mounting portion 15 for fixing the front fender liner 14 to the fender apron is provided near the inner upper end of the front portion 14A in the vehicle width direction.
is fixed to the fender apron by a connecting member such as a screw (not shown). On the other hand, a mounting part 17 for fixing the front fender liner 14 to the fender panel 12 is provided near the upper end of the front part 14A of the front fender liner 14 on the outside in the vehicle width direction. It is fixed to the fender panel 12 by a connecting member such as a screw, omitting the above.

As shown in FIGS. 1 and 2, a front side member 18 is disposed inside the front fender liner 14 in the vehicle width direction along the longitudinal direction of the vehicle body. This front side member 18 includes a substantially flat front side member outer 20 that constitutes an outer portion in the vehicle width direction;
It is composed of a front side member inner 22 having a U-shaped cross section with an opening that forms the inner side in the vehicle width direction directed outward in the vehicle width direction, and the front side member 18 has a closed cross section structure extending in the longitudinal direction of the vehicle body. ing. Furthermore, a bracket 24 that protrudes downward in the vertical direction of the vehicle body is welded to the front end of the front side member outer 20.
Attachment part 24 provided at the lower end front part of this bracket 24
A mounting portion 16A provided at the front end of the horizontal portion 16 of the front fender liner 14 is coupled to A by a screw or the like (not shown).

A front bumper 24 is disposed on the front side of the front side member 18 in the vehicle longitudinal direction along the vehicle width direction. End portion 2 of this front bumper 24 in the vehicle width direction
6 is curved toward the rear in the vehicle width direction, and the rear end of the end 26 in the vehicle width direction reaches the outer edge in the vehicle width direction of the front portion 14A of the front fender liner 14. Further, a mounting portion 26A that protrudes inward in the vehicle width direction is provided at the lower rear end of the end portion 26 in the vehicle width direction of the front bumper 24, and the mounting portion 26A includes a front bumper support member. A lower end portion 28A of the front bumper side support 28 is fixed by a screw or the like (not shown).

[0012] The front bumper side support 28 is a rod-shaped member having a U-shaped cross section with an opening extending upwardly inward in the vehicle width direction from the mounting portion 26A of the front bumper 24 and facing outward in the vehicle width direction. The upper end portion 28B of the bumper side support 28 is fixed to a mounting portion 20A provided at the lower end edge of the front side member outer 20 by a screw or the like (not shown). Therefore, the end portion 26 of the front bumper 24 in the vehicle width direction is supported by the front side member outer 20 via the front bumper side support 28.

At approximately the center in the longitudinal direction of the front bumper side support 28, as shown in FIG. It protrudes in a substantially rectangular shape and serves as a fastening portion 28C. A through hole 30 is bored in the center of the fastening portion 28C, and a weld nut 32 is welded to the fastening portion 28C coaxially with the through hole 30 from the front side in the longitudinal direction of the vehicle body. Further, the fastening portion 28C of the front bumper side support 28 is in contact with the front portion 14A of the front fender liner 14 from the front side in the longitudinal direction of the vehicle body with a ring-shaped rubber washer 34 in between. A through hole 36 is bored in the abutting portion. A leg portion 38A of a bolt 38 is inserted into the through hole 36 from the rear side in the longitudinal direction of the vehicle body, that is, from the inside of the wheel house, and the leg portion 38A of the bolt 38 is screwed into the weld nut 32. Therefore, the fastening portion 28C of the front bumper side support 28 is fixed to the substantially central portion of the front portion 14A of the front fender liner 14 in the longitudinal direction of the vehicle body by the bolt 38 and the weld nut 32.

Next, the operation of this embodiment will be explained. In this embodiment with the above configuration, the front portion 14A of the front fender liner 14 is connected to the front bumper side support 2.
8, it is supported by the mounting portion 20A of the front side member outer 20. Therefore, the load that acts on the front portion 14A of the front fender liner 14 due to air pressure, water splashed by tires, snow, etc. while driving is sufficiently transmitted to the front side member outer 20 via the front bumper side support 28. . Therefore, the rigidity of the front fender liner 14, particularly the rigidity of the front portion 14A of the front fender liner 14, can be improved, and deformation of the front fender liner 14 can be prevented.

Furthermore, in this embodiment having the above configuration, a special bracket is used to fix the front portion 14A of the front fender liner 14 to the front bumper side support 28 for supporting the end portion 26 of the front bumper 24 in the vehicle width direction. There is no need to add such items, and no increase in weight is caused. Furthermore, in this embodiment with the above configuration, the number of support points on the front part 14A of the front fender liner 14 is increased by one compared to the conventional structure shown in FIGS. 5 and 6, so when the front fender liner 14 is attached to the vehicle body, In addition, the positional accuracy of the front portion 14A of the front fender liner 14 is improved.

[0016]

[Effects of the Invention] Since the present invention has the above structure, it has the excellent effect of improving the rigidity of the front fender liner.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a front body structure of an automobile according to an embodiment of the present invention, as viewed diagonally from the front of the vehicle.

FIG. 2 is an exploded perspective view of FIG. 1;

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a perspective view of a front body of a vehicle to which the front body structure of an automobile according to an embodiment of the present invention is applied, as viewed diagonally from the front of the vehicle.

FIG. 5 is a perspective view of a front fender liner of a conventional front body structure of an automobile, as viewed diagonally from the front of the vehicle body.

FIG. 6 is a schematic side view showing a front fender liner of a conventional front body structure of an automobile.

[Explanation of symbols]

10 Vehicle body 10A Front body 12 Fender panel 14 Front fender liner 14A
Front part 18 Front side member 20 Front side member outer 20A
Mounting part 24 Front bumper 26 End part in the vehicle width direction 26A Mounting part 28 Front bumper side support (front bumper support member) 28A Lower end part 28B Upper end part 28C Fastening part

Claims (1)

[Claims] Claim 1: A front body structure for an automobile having a fender liner that shields the lower part of the fender of the automobile, the structure connecting the vicinity of the end of the front bumper in the vehicle width direction to the front side member and being fastened to the front fender liner. 1. A front body structure for an automobile, comprising a front bumper support member provided with a fastening portion.