JP2003104236A - Front body structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a front body structure meeting design requirements for setting up a partition line of a bonnet, irrespective of a head lamp shape, being able to put the head lamp at a shroud, being compatible securing of rigidity and preventing deterioration of dimensional accuracy caused by increasing component count. SOLUTION: At an upper part of a wheel apron 26, there are provided a pair of wheel apron reinforcements 29 extending from a reinforcing part 28 in a longitudinal direction of the vehicle, inside the vehicle in a width direction and linked to an upper part of a shroud 6. The head lamp 13 is mounted at the shroud 6 across a connection part α connecting a reinforcement part 28 and the shroud 6, and a connection part β connecting the wheel apron 26 reinforcements 29 and the shroud 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front portion of a vehicle in which a headlamp is attached to a shroud provided in the front portion of the vehicle connected to a pair of left and right front side frames extending in the front-rear direction of the vehicle. Regarding the body structure.

[0002]

2. Description of the Related Art Conventionally, as a front body structure of a vehicle of the above-mentioned example, there is a structure described in, for example, Japanese Patent Laid-Open No. 6-107229.

That is, as shown in FIGS. 11 and 12,
A pair of left and right front side frames 81 extending in the front-rear direction of the vehicle (however, only the right side one is shown in the drawing), and a pair of left and right wheel aprons 82 that are connected to the front side frames 81 and form side walls of the front portion of the vehicle. And an apron reinforcement 83 extending in the front-rear direction of the vehicle along the upper end of the wheel apron 82, which is connected to the pair of left and right front side frames 81 and is provided on the front part of the vehicle (see FIG. This is a structure in which the head lamp 84 is attached to (not shown).

In FIGS. 11 and 12, 85 is a front fender, 86 is a bonnet, and 87 is a front wheel.
In this conventional structure, the partition line 88 between the front fender 85 and the hood 86 is shown in FIG.
As shown in FIG. 1, the upper middle portion of the headlamp 84 and the front pillar 89 are formed so as to connect in the front-rear direction.

Therefore, when the partition line 88 is changed from the state shown in FIG. 11 to that shown in FIG. 13 in response to design requirements, the following problems occur. The partition line 88 in this case is formed so as to connect the vehicle inner end portion of the headlamp 84 and the front pillar 89 in the front-rear direction.

That is, the apron reinforcement 83 is provided with a hood 8 in order to secure the rigidity of the front portion of the vehicle.
6 must be located just below the partition line 88, and the front end of this apron reinforcement 83 is connected to the upper end of the shroud.
Although the upper end of the headlamp 84 is fixed to the shroud under the structure of No. 3, the shroud cannot be extended in the lateral direction, so there is no place for stopping the headlamp 84 under the structure of FIG.

For this reason, conventionally, a structure has been adopted in which a bracket is separately attached on the vehicle outer side of the shroud and the head lamp 84 is attached to this bracket. However, due to the weight of the head lamp 84, the above-mentioned bracket is attached. Is required to have a predetermined strength, and not only the bracket is relatively large in size with high rigidity, but also the bracket increases the number of parts and deteriorates the dimensional accuracy and the mounting accuracy. There was a possibility that the gap between them would become large.

[0008]

SUMMARY OF THE INVENTION The present invention is directed to a reinforcing portion provided on a wheel apron so that its front end is connected to an outer end portion of a shroud in the vehicle width direction, and an upper portion of the wheel apron in the vehicle width direction rather than the reinforcing portion. The headlamp is provided with an apron reinforcement that extends in the front-rear direction of the vehicle inside and has a front end that is connected to an upper portion of the shroud on the inner side in the vehicle width direction with respect to a connecting portion between the shroud and the reinforcing portion. By attaching to the shroud between the connection portion with and the connection portion between the apron reinforcement and the shroud, it is possible to satisfy the design requirement that the partition line of the bonnet is set regardless of the shape of the headlamp, Moreover, the headlamp can be assembled to the shroud, ensuring rigidity and increasing the number of parts. And an object thereof is to provide a front body structure of a vehicle that can achieve both prevent deterioration in dimensional accuracy due.

[0009]

A vehicle body structure for a front portion of a vehicle according to the present invention includes a headlamp for a shroud provided at a front portion of the vehicle connected to a pair of left and right front side frames extending in a front-rear direction of the vehicle. A front body structure of a vehicle to be mounted, wherein a pair of left and right wheel aprons connected to the front side frame to form a side wall of the vehicle front and left and right so that a front end is connected to an outer end of the shroud in the vehicle width direction. A reinforcing portion provided on the pair of wheel aprons and a vehicle front-back direction extending in the vehicle width direction inside the reinforcing portion above the wheel apron, and a front end of the shroud inside the vehicle width direction from a connecting portion between the shroud and the reinforcing portion. The headlamp is provided with a pair of left and right apron reinforcements connected to the upper portion, and at least the reinforcement portion and the shroud are connected. And parts, in which attached to the shroud over between the coupling portion of the apron reinforcement and the shroud. The shroud configured as described above may be configured by combining a metal shroud upper and a shroud drawer, or may be integrally molded of synthetic resin. According to the above configuration, since at least a part of the headlamp is attached to the shroud between the connecting portion between the reinforcing portion and the shroud and the connecting portion between the apron reinforcement and the shroud, the partition line of the bonnet is attached to the headlamp. It is possible to meet the design requirement of setting regardless of the shape, and it is possible to assemble the headlamp to the shroud, and it is possible to secure rigidity and prevent deterioration of dimensional accuracy due to an increase in the number of parts. .

In one embodiment of the present invention, the shroud has a headlamp support that surrounds the headlamp with an outer end portion in the vehicle width direction connected to a reinforcing portion and an upper portion connected to an apron reinforcement. The headlamp is integrally formed, and the headlamp is attached to the headlamp support portion.

According to the above structure, since the headlamp support portion surrounding the headlamp is integrally formed with the shroud, the headlamp can be integrally assembled with the shroud and the dimensional accuracy is deteriorated. Can be prevented even better.

In one embodiment of the present invention, the rear end of the reinforcing portion is connected to the front-rear intermediate portion of the apron reinforcement. According to the above configuration, since the apron reinforcement as the rigid member and the reinforcing portion are connected, the rigidity can be further increased.

In one embodiment of the present invention, the reinforcing portion is integrally formed with the wheel apron along the vehicle width direction outer end of the wheel apron. According to the above configuration, since the reinforcing portion is formed integrally with the wheel apron, it is possible to improve rigidity while suppressing an increase in the number of parts and weight.

In one embodiment of the present invention, the wheel apron is provided at the lower front portion thereof with a continuous substantially horizontal surface which is connected to the lower portion of the shroud and the front side frame.

According to the above construction, since the rigidity of the lower portion of the headlamp support portion is increased by the above-mentioned substantially horizontal surface, an oil cooler and other auxiliary equipment can be attached to the lower portion of the headlamp support portion.

In one embodiment of the present invention, the reinforcing portion is provided with a substantially horizontal portion and a vertical wall portion continuing from the substantially horizontal portion. According to the above configuration, the rigidity of the reinforcing portion can be ensured by the vertical wall portion.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. The drawings show the front body structure of a vehicle, and FIGS.
In the vehicle front portion, a pair of left and right front side frames 1, 1 extending in the front-rear direction of the vehicle are provided substantially parallel to each other.

These pair of front side frames 1,
The bumper reinforcement 2 extending in the vehicle width direction is mounted between the front ends of the front side 1 and the front cross member 3 (to the rear side of the bumper reinforcement 2 in parallel with the bumper reinforcement 2). A so-called No. 1 cross member) is superposed between the front side frames 1 and 1.

On the other hand, a cowl portion 4 forming an upper rear wall of the engine room and a dash lower panel 5 forming a lower rear wall of the engine room are provided, and a lower middle portion of the dash lower panel 5 is formed on a floor panel. It is designed to communicate with the tunnel section.

A shroud 6 (radiator shroud) is erected and fixed at the front end of the engine room, that is, the front of the vehicle. As shown in FIG. 3, the shroud 6 is a combination of a metal shroud upper 7 and a shroud drawer 8 which are integrated, but instead of the metal shroud 6, a synthetic resin shroud (so-called Of course, a resin shroud) may be used.

The shroud drawer 8 is provided with openings 9 and 9 for penetrating the pair of left and right front side frames 1 and 1 in the front-rear direction. The front side frames 1 and 9 penetrating the openings 9 and 9. The shroud drawer 8 is connected to the unit 1.

An upper piece 10 extending outward in the width direction and obliquely rearward is formed on the upper portion of the shroud 6 substantially corresponding to the formation portion of the opening 9 described above, and from the formation portion of the opening 9 the shroud. A lower piece portion 11 extending outward in the vehicle width direction and obliquely rearward is formed in the lower portion of 6, and the outer ends of the upper piece portion 10 and the lower end portion 11 are integrally connected in the vertical direction. A side piece 12 is provided.

The above-mentioned upper piece 10, lower piece 11, side piece 1
An annular frame-shaped headlamp support portion 14 surrounding the headlamp 13 by 2 is integrally formed with the shroud 6, and the space portion 1 surrounded by these pieces 10, 11 and 12 is formed.
Reference numeral 5 is set in the mounting hole of the headlamp 13.

Further, a mounting portion 17 for tightening the headlamp mounting bolt 16 (see FIGS. 1 and 2) from above is formed in an intermediate portion of the upper piece portion 10 described above, and is formed in the left and right spaced portions of the lower piece portion 11. Is a headlamp mounting bolt (not shown)
Mounting portions 18, 18 for tightening the front side are formed, and nuts (not shown) are welded and fixed to the mounting portions 18, 18 in advance.

As shown in FIG. 4, the headlamp 13 attached to the above-mentioned headlamp support portion 14 (however, the right headlamp is shown in FIG. 4) is attached to the attachment portion 17 above the headlamp housing. Corresponding mounting pieces 19 are formed, and mounting pieces 20, 21 corresponding to the mounting portions 18, 18 are formed in the lower portion of the headlamp housing.

Here, a bolt insertion hole 22 is formed in the upper mounting piece 19, and a nut 23 is welded and fixed to the lower surface of the mounting piece 19 in advance. Although the bolt insertion holes 24 and 25 are formed, at least one of the bolt insertion holes 25 is set to be a long hole that is long in the vertical direction so that the mounting position of the headlamp 13 can be adjusted.

By the way, as shown in FIGS. 1, 2 and 5, the front side frame 1 is connected to the side wall of the front part of the vehicle.
A pair of left and right wheel aprons 26, 26 forming (a side wall of the engine room) are provided. A wheel house and a suspension tower 27 are integrally or integrally formed with the above-described wheel apron 26.

FIG. 5 is an enlarged plan view of an essential part of FIG. 2, and FIG. 6 is FIG.
7 is a sectional view taken along the line AA of FIG. 7, FIG. 7 is a sectional view taken along the line BB of FIG. 5, and FIG. 8 is a sectional view taken along the line CC of FIG. A wheel apron reinforcing portion (hereinafter simply referred to as a reinforcing portion) 28 is integrally formed along the vehicle width direction outer end of the wheel apron 26.

The reinforcing portion 28 is provided with a substantially horizontal portion 28a and a vertical wall portion 28b following the substantially horizontal portion 28a.
As shown in FIG. 2, a curved portion extends outward and forward in the vehicle width direction from a portion corresponding to the middle portion of the suspension tower 27, and the front end thereof is connected to the vehicle width direction outer end portion of the upper piece portion 10 of the shroud 6. Thus, the first connecting portion α is formed.

As shown in FIGS. 5 to 8, the upper part of the wheel apron 26 extends in the vehicle front-rear direction on the inner side in the vehicle width direction with respect to the above-mentioned reinforcing portion 28, and the front end thereof is the shroud 6 and the reinforcing portion 28. A pair of left and right apron reinforcements 29 are connected to the middle of the upper piece 10 of the shroud 6 on the inner side in the vehicle width direction with respect to the first connecting portion α with.

This apron reinforcement 29
As shown in FIG. 9 which is a perspective view as viewed from the front, the main body 30 having a substantially gate-shaped cross section and the wheel apron 2 are provided.
Inner and outer joint flanges 3 along the wheel house shape of 6
1, 1 and 31 are integrally formed body strength members.

The above-mentioned apron reinforcement 29
As shown in FIGS. 1 and 2, the front end thereof is connected to the middle of the upper piece portion 10 of the shroud 6 to form a second connecting portion β, while the rear end of the apron reinforcement 29 is provided with the cowl portion 4. It is joined to the left and right extension parts 4a, 4a.

The rear end of the above-mentioned reinforcing portion 28 is, as shown in FIGS. 2, 5 and 6, an apron reinforcement 2
It is connected to the middle portion of the front-back direction 9. At the lower front portion of the wheel apron 26 integrally formed with the above-mentioned reinforcing portion 28, a continuous substantially horizontal plane 32 connecting to the lower piece portion 11 of the shroud drawer 8 and the front side frame 1 is provided.
Are integrally formed, and the substantially horizontal surface 32 is configured to improve the rigidity of the headlamp support portion 14.

Then, in the headlamp support portion 14 whose rigidity is improved by the above-mentioned substantially horizontal surface 32, an oil cooler 34 or the like is provided in front of the lower piece portion 11 thereof by using bolts 33, 33 as shown in FIG. Auxiliary machinery is installed.

The headlamp support portion 14 is connected at its outer end in the vehicle width direction to the front end of the reinforcing portion 28 (first connecting portion α).
And the middle portion of the upper piece portion 10 as the upper portion is connected to the front end of the apron reinforcement 29 (see the second connecting portion β).
The upper portion of the headlamp 13 is attached to the headlamp supporting portion 14 of the shroud 6 between the first connecting portion β and the second connecting portion β.

In FIG. 8, 35 is a front fender, 36 is a bonnet, and 37 is a partition line of the bonnet. In the figure, OUT indicates the outside in the vehicle width direction, and IN indicates the inside in the vehicle width direction.

As described above, the front vehicle body structure of the embodiment shown in FIGS. 1 to 9 is provided in the front portion of the vehicle by being connected to the pair of left and right front side frames 1, 1 extending in the front-rear direction of the vehicle. 1 is a front vehicle body structure for mounting a headlamp 13 to a shroud 6, and includes a pair of left and right wheel aprons 26, 26 connected to the front side frame 1 to form a side wall of a vehicle front part, and a front end of the shroud. 6, a reinforcing portion 28 provided on the pair of left and right wheel aprons 26, 26 so as to be connected to the outer end portion in the vehicle width direction of 6,
28, and the upper part of the wheel apron 26 extends in the vehicle front-rear direction inside the reinforcing portion 28 in the vehicle width direction, and has a front end in the vehicle width direction inside the shroud 6 from the first connecting portion α between the shroud 6 and the reinforcing portion 28. And a pair of left and right apron reinforcements 29, 29 connected to the upper part of the apron reinforcement 29 and the shroud 6. The headlamp 13 has at least a first connecting portion α between the reinforcing portion 28 and the shroud 6, and the apron reinforcement 29 and the shroud 6. Is attached to the shroud 6 between the second connecting portion β and the second connecting portion β. According to this configuration, the first connecting portion α between the reinforcing portion 28 and the shroud 6, and the apron reinforcement 29.
Since at least a part of the headlamp 13 (see the upper portion) is attached to the shroud 6 between the second connecting portion β of the shroud 6 and the shroud 6, the partition line 37 (see FIG. 8) of the bonnet 36 is attached to the headlamp 13. It can meet the design requirements of setting regardless of the shape,
Moreover, the headlamp 13 can be assembled to the shroud 6, and it is possible to secure the rigidity and prevent deterioration of dimensional accuracy due to an increase in the number of parts.

The shroud 6 has a head lamp support portion 14 surrounding the head lamp 13 and an outer end portion in the vehicle width direction connected to the reinforcement portion 28 and an upper portion connected to the apron reinforcement 29. The headlamp 13 is integrally formed, and is attached to the headlamp support portion 14.

According to this structure, since the headlamp support portion 14 surrounding the headlamp 13 is integrally formed with the shroud 6, the headlamp 13 can be integrally assembled with the shroud 6. Therefore, the deterioration of the dimensional accuracy can be prevented even better.

Further, the rear end of the reinforcing portion 28 is connected to an intermediate portion of the apron reinforcement 29 in the vehicle front-rear direction. According to this configuration, since the apron reinforcement 29 as the rigid member and the reinforcing portion 28 are connected, the rigidity can be further increased.

In addition, the reinforcing portion 28 is formed along the outer edge of the wheel apron 26 in the vehicle width direction.
It is formed integrally with 6. According to this structure, since the reinforcing portion 28 is integrally formed with the wheel apron 26,
It is possible to improve the rigidity while suppressing the increase in the number of parts and the weight.

Moreover, at the lower front portion of the wheel apron 26, the lower portion of the shroud 6, that is, the shroud drawer 8 is provided.
(Refer to the lower piece 11 for details) and front side frame 1
A continuous substantially horizontal surface 32 connected to and is formed.

According to this structure, since the rigidity of the lower portion of the headlamp support portion 14 is enhanced by the above-described substantially horizontal surface 32, the oil cooler 3 is provided below the headlamp support portion 14.
4 Other accessories can be attached.

Further, the reinforcing portion 28 is provided with a substantially horizontal portion 28a and a vertical wall portion 28b following the substantially horizontal portion 28a as shown in FIGS. With this configuration, the rigidity of the reinforcing portion 28 can be ensured by the vertical wall portion 28b described above.

FIG. 10 shows another embodiment of the front body structure of the vehicle. In the previous embodiment shown in FIG. 8, the above-mentioned reinforcing portion 28 is formed integrally with the wheel apron 26. In the embodiment, an extension member 40, which is a separate member, is provided above the wheel apron 26 so as to extend from the wheel apron 26, and the wheel apron 26 and the extension member 40 are integrated by welding means or the like. The reinforcing portion 28 is integrally formed along the vehicle width direction outer end of 40. Further, the uneven portion 41 is integrally formed on the main surface of the above-mentioned extension member 40 to improve the strength of the outer member 40.

Even with this structure, the other structures, functions and effects are almost the same as those of the previous embodiment. Therefore, in FIG. 10, the same parts as those in the previous figure are designated by the same reference numerals. , Its detailed description is omitted.

In the correspondence between the structure of the present invention and the above-described embodiment, the connecting portion between the reinforcing portion and the shroud of the present invention corresponds to the first connecting portion α of the embodiment, and the like below. The connecting portion between the reinforcement and the shroud corresponds to the second connecting portion β, but the present invention is not limited to the configuration of the above-described embodiment.

For example, it goes without saying that the apron reinforcement 29 described above may be formed integrally with the wheel apron 26.

[0049]

According to the present invention, the reinforcing portion provided on the wheel apron so that the front end is connected to the outer end portion in the vehicle width direction of the shroud, and the upper portion of the wheel apron on the inner side in the vehicle width direction with respect to the reinforcing portion. An apron reinforcement that extends in the front-rear direction of the vehicle and has a front end that is connected to an upper portion of the shroud on the inner side in the vehicle width direction with respect to a connecting portion between the shroud and the reinforcing portion, and the headlamp includes at least the reinforcing portion and the shroud. Since the shroud was mounted between the connecting part and the connecting part between the apron reinforcement and the shroud, it is possible to satisfy the design requirement that the partition line of the bonnet is set regardless of the shape of the headlamp, and further, the shroud. Headlamps can be installed on the head, ensuring rigidity and increasing the number of parts There is an effect that can be achieved while preventing time degradation.

[Brief description of drawings]

FIG. 1 is a perspective view showing a front body structure of a vehicle of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a perspective view of a shroud.

FIG. 4 is a front view of a headlamp.

5 is an enlarged plan view of a main part of FIG.

6 is a partial cross-sectional view taken along the line AA of FIG.

7 is a partial cross-sectional view taken along the line BB of FIG.

8 is a sectional view taken along the line CC of FIG.

FIG. 9 is a perspective view of an apron reinforcement.

FIG. 10 is a sectional view showing another embodiment of the front body structure of the vehicle.

FIG. 11 is an explanatory diagram of a partition line in a conventional vehicle.

FIG. 12 is a sectional view showing a front body structure of a conventional vehicle.

FIG. 13 is an explanatory diagram showing design requirements for a vehicle including a partition line.

[Explanation of symbols]

1 ... Front side frame 6 ... Shroud 13 ... Headlamp 14 ... Headlamp support 26 ... Wheel apron 28 ... Reinforcement part 28a ... Horizontal part 28b ... Vertical wall 29 ... Apron Reinforcement 32 ... Almost horizontal plane α: first connecting part (connecting part) β: second connecting part (connecting part)

Claims (6)

[Claims] 1. A front vehicle body structure for a vehicle, in which a headlamp is attached to a shroud provided at a front portion of a vehicle connected to a pair of left and right front side frames extending in a front-rear direction of the vehicle. A pair of left and right wheel aprons that are connected to each other to form a side wall of the front part of the vehicle, and a reinforcing portion provided on the pair of left and right wheel aprons so that their front ends are connected to the outer ends of the shroud in the vehicle width direction, and the wheel apron. The upper portion includes a pair of left and right apron reinforcements extending inward in the vehicle width direction from the reinforcing portion and extending in the vehicle front-rear direction, and having a front end connected to the upper portion of the shroud inside the vehicle width direction from the connecting portion between the shroud and the reinforcing portion. , The headlamp has at least a connecting portion between the reinforcing portion and the shroud, and an apron reinforcement and the shroud. Front body structure of a vehicle attached to the shroud over between the imaging unit. 2. The shroud is integrally formed with a headlamp support portion having an outer end portion in the vehicle width direction connected to a reinforcing portion and an upper portion connected to an apron reinforcement, and surrounding the headlamp. The front vehicle body structure for a vehicle according to claim 1, wherein the headlamp is attached to the headlamp support portion. 3. The front body structure for a vehicle according to claim 1, wherein a rear end of the reinforcing portion is connected to an intermediate portion of the apron reinforcement in the front-rear direction. 4. The front vehicle body structure for a vehicle according to claim 1, wherein the reinforcing portion is integrally formed with the wheel apron along an outer end in the vehicle width direction of the wheel apron. 5. The wheel apron has a front lower portion formed with a continuous substantially horizontal surface which is connected to the lower portion of the shroud and the front side frame.
Front body structure of the described vehicle. 6. The front vehicle body structure for a vehicle according to claim 1, wherein the reinforcing portion includes a substantially horizontal portion and a vertical wall portion continuing from the substantially horizontal portion.