JP2512289Y2 - Front body structure of vehicle - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front vehicle body structure of a vehicle, and more particularly to a structure around a shroud panel.

[0002]

2. Description of the Related Art Conventionally, in an automobile assembly line (main line), mounting parts such as bumpers, radiators, radiator grilles, headlamps and the like on the front of the vehicle body are individually attached to the vehicle body. However, the number of stations increases, and the length of the assembly line becomes long and complicated. Further, in a mixed flow line for assembling a plurality of types of automobiles, it is necessary for an operator to determine whether or not to attach each of the attachment parts according to the type of the vehicle, which is particularly problematic in terms of workability.

Therefore, it is conceivable that some of the mounting parts are unitized to facilitate the work on the assembly line and reduce the number of stations. By doing so, the entire unit is separately assembled, which is advantageous in terms of mounting accuracy of each mounting component in the unit. Therefore, from such a viewpoint, JP-A-63-1
As shown in Japanese Patent Publication No. 037771, various parts such as a bumper, a radiator, a radiator grille, a headlamp and the like are assembled into a radiator core support as a unit base to form a unit, and this unit It has been proposed to attach the to the front part of the vehicle body.

[0004]

By the way, in order to make the vehicle body structure in which the front portion of the vehicle body is unitized as described above, the supporting strength of the radiator, which is a heavy member, is sufficient. Need to secure. In the conventional radiator support bracket for supporting the radiator, the lower end of the radiator support bracket is conventionally connected to a cross member provided between a pair of left and right front side frames, and the upper end of the radiator support bracket is also provided. The portion is connected to the front surface or the back surface of a flat plate-shaped shroud side panel hanging from the shroud upper, and there is room for improvement in order to obtain sufficient support strength of this radiator.

The present invention has been made in view of the above points, and an object thereof is to obtain a structure capable of improving the support strength of a radiator without increasing the number of parts.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention improves a joint strength between a shroud side panel and a radiator support bracket, which are existing members, to improve the radiator. The support strength is improved. Specifically, in the invention according to claim 1, a shroud upper that extends in the vehicle width direction at the upper front end of the vehicle body, and a pair of left and right shroud side panels that have their upper ends connected to the shroud upper and extend in the vehicle vertical direction. And a radiator support bracket having a radiator support portion that is connected to the lower end portion of the shroud side panel and supports the lower end of the radiator. Then, at the lower end of the shroud side panel, at least a front wall portion formed along the front edge of the radiator support bracket and an outer edge of the radiator support bracket in the vehicle width direction are formed. An outer wall portion is provided, and the front wall portion is connected to the front edge of the radiator support bracket, and the outer wall portion is connected to the outer edge of the radiator support bracket in the vehicle width direction.

According to a second aspect of the invention, in the vehicle body structure of the first aspect of the invention, the lower end of the condenser for the cooler is supported on the front side of the radiator supporting portion of the radiator support bracket. The capacitor supporting part is integrally formed, and the front wall part of the shroud side panel is connected to the front edge of the capacitor supporting part.

[0008]

According to the present invention, the following effects are obtained. According to the first aspect of the invention, the front wall portion of the shroud side panel is connected to the front edge of the radiator support bracket, and the outer wall portion is connected to the outer edge of the radiator support bracket in the vehicle width direction. , The joint strength between the shroud side panel and the radiator support bracket is high, which makes the radiator
The support strength of the radiator supported by the ta support bracket is improved.

According to the second aspect of the present invention, the front wall portion of the shroud side panel is connected to the front edge of the condenser supporting portion for supporting the condenser for the cooler.
Not only the support strength of the radiator but also the support strength of the capacitor is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In FIG. 3 showing a vertical cross section of the front portion of the automobile, reference numeral 1 denotes an automobile, which is constructed by attaching a nose unit 3 to the front portion of a vehicle body 2. As shown in detail in FIG. 5, the vehicle body 2 has front fenders 4 and 4 on the outer sides of both left and right sides thereof, and a hood 2a on the front upper side (see FIG. 3).
Are arranged respectively. In the vehicle body 2, front side frames 13 and 13 having a closed cross-section structure are joined to the lower sides of the wheel aprons 12 and 12 that form the left and right sidewalls of the engine room 11, and the wheel apron 12 and 12 are joined together. -Wheel apron Reinfo-
The cement 14 is joined. Further, front end panels 15 and 15 are provided for the front end portions of the front side frames 13 and 13, and a closed cross-section structure is provided between the lower end portions of the front ends of the front side frames 13 and 13. The cross member 16 is installed. The front end panel 15 and the cross member 16 are
Plural mounting holes 1 for mounting the nose unit 3
5a and 16a are provided. Further, at the front end portion of the wheel apron 12, brackets 17, 17 serving as mounting portions for the nose unit 3 are provided so as to extend toward the vehicle body center side.

On the other hand, the nose unit 3 has a shroud upper 5 as shown in the exploded perspective view of FIG.
The shroud upper 5 is composed of a rear member 5a having a substantially U-shaped cross section that is open downward in a side view, and a front member 5b having an L-shaped cross section integrally formed on the front side of the rear member 5a. The left and right ends of the rear member 5a are attached to the brackets 17, 17 by means such as bolting.

A pair of shroud side panels 6 and 6 extending in the vertical direction are disposed as the characteristic members of the present embodiment at positions with a predetermined dimension from the left and right ends of the shroud upper 5. As shown in FIG. 4, the shroud side panel 6 includes a first panel member 6a and a second panel member 6a.
The first panel material 6a is made of a panel material 6b, and the first panel material 6a has an upper end portion joined to the back surface of the front member 5b of the shroud upper 5 and has a shape extending outward in the vehicle width direction toward the lower end portion. There is. On the other hand, the second panel material 6b
The upper end of the shroud upper 5 is the rear member 5
a and the front side member 5b are joined to the back surface of each. The second panel member 6b includes a rear side portion 6c that is L-shaped in a plan view and extends downward from the joining position, and a front side portion 6d that extends forward from the vehicle width direction inner side portion of the rear side portion 6c. Has been done. The portion of the front edge of the front side portion 6d facing the first panel material 6a is the first panel material 6a.
Is bonded to the back surface. In addition, the first panel material 6a
A bumper face 7 is attached by bolts near the outer edge of the bumper via a bumper reinforcement 7a (see FIG. 6). The bumper reinforcement 7a is also bolted to a mounting hole 15a formed in the front end panel 15.

A radiator support bracket 8 is attached to the lower end of the shroud side panel 6. This radiator support bracket 8 is
As shown in FIGS. 3 and 2, a base portion 8a having an L shape in a side view along the cross member 16 and a radiator support as a radiator support portion extending forward from an intermediate portion in the vertical direction of the base portion 8a. It is composed of a piece 8b and a capacitor support piece 8c as a capacitor support portion having an L-shaped cross section that extends further forward from the front end of the radiator support piece 8b. As shown in FIG. 1, the radiator support piece 8b is formed in a quadrilateral shape in a plan view, and a support hole 8d penetrating in the vertical direction is formed at the center thereof. On the other hand, the capacitor support piece 8c is formed in a substantially trapezoidal shape in a plan view, and a support hole 8e penetrating in the up-down direction is formed in the center thereof similarly to the radiator support piece 8c. The supporting portions 9a and 10 formed at the lower ends of the radiator 9 and the condenser 10 in the supporting holes 8d and 8e, respectively.
a is inserted through a rubber mount member, so that the lower ends of the radiator 9 and the condenser 10 are supported. The upper end of the radiator 9 is supported by the rear member 5a of the shroud upper 5, and the upper part of the capacitor 10 is supported by the first panel member 6a by a mounting bracket 10c.

As a characteristic configuration of this example,
It is in the structure around the connection position between the shroud side panel 6 and the radiator support bracket 8. The radiator support bracket 8 is, as shown in FIGS. 1 and 2,
Connection flanges 8f, 8 are provided on the outer edge of the radiator support piece 8b and the outer edge and front edge of the capacitor support piece 8c, respectively.
g and 8h are bent upward. On the other hand, the shroud side panel 6 includes the front side portion 6 of the second panel member 6b.
The periphery of the lower end portion of d is bent along the shape of the radiator support bracket 8. That is, the outer wall portion 6e extending in the front-rear direction along the outer edge of the radiator support piece 8b, the inclined wall portion 6f inclined inward in the vehicle width direction from the front end of the outer wall portion 6e toward the front, and the inclination. The front wall portion 6g extends inward in the vehicle width direction from the front end of the wall portion 6f. The outer wall portion 6e is connected to the connection flange 8f of the radiator support piece 8b, the inclined wall portion 6f is connected to the connection flange 8g on the outer side in the vehicle width direction of the capacitor support piece 8c, and the front wall portion 6g is the front side of the capacitor support piece 8c. Are connected to the connection flanges 8h. That is, the shroud side panel 6 is shaped so as to cover the outer side and the front side of the radiator support bracket 8 in the vehicle width direction.
It is connected to the tether support bracket 8 and the joint strength between the two is greatly improved. In FIG. 6, 18 is a radiator grill, and 19 are left and right headlamps, which are attached to the shroud upper 5 and the first panel member 6a, respectively.

Next, the assembling work of the front portion of the vehicle body will be described. First, the process of assembling the nose unit 3 will be described. First, the shroud side panel 6 is constructed by connecting the first panel material 6a to the front edge of the second panel material 6b.
The upper end of the shroud side panel 6 is joined to the back surface of the shroud upper 5. After that, the radiator support bracket 8 is connected to the lower end of the shroud side panel 6. In this connection state, as described above, the shroud side panel 6 is connected so as to cover the outer side and the front side of the radiator support bracket 8 and has a high joint strength. After that, the bumper face 7 is attached to the front surface of the first panel member 6a of the shroud side panel 6 via the bumper reinforcement 7a. When assembling the radiator 9 and the capacitor 10, first, the support portion 1 of the capacitor 10 is inserted into the support hole 8e of the capacitor support piece 8c of the radiator support bracket 8.
0a is inserted through a rubber mount member to support the lower end of the capacitor 10 and a mounting bracket 10
The upper portion of the capacitor 10 is connected to the first panel material 6a by c. After that, the support portion 9a of the radiator 9 is fitted into the radiator support hole 8d of the radiator support piece 8b through a rubber mount member, thereby the radiator 9 is inserted.
The lower end of the radiator 9 is supported, and the upper end of the radiator 9 is supported by the rear member 5a of the shroud upper 5. As a result, the radiator 9 and the capacitor 10 are
The unit 3 will be supported with high support strength. After that, the other constituent members on the front of the vehicle body, for example, the radiator grill 18, the head lamp 19 and the like are assembled and then mounted.
Complete unit 3.

After that, the thus-configured nose unit 3 is held by a jig (not shown), moved horizontally from the front side of the vehicle body 2 and positioned and mounted at a predetermined position. At the time of this attachment work, the left and right sides of the shroud upper 5 are attached to brackets 17 extending from the wheel apron 12, and the bumper face 7 is attached to the front side frame 13 via the front end panel 15 by the bumper reinforcement 7a. Install on. At the same time, the base portion 8a of the radiator support bracket 8 is attached to the attachment hole 16a of the cross member 16 by bolting. In this way, the noise unit 3
Is assembled to the vehicle body 2 to complete the vehicle body.

As described above, according to this embodiment, since the joint strength between the shroud side panel 6 and the radiator support bracket 8 is high, the radiator supported by the radiator support bracket 8 is large. The supporting strength of the capacitor 9 and the capacitor 10 is ensured to be high.

In this example, the shroud side panel 6
Although the radiator support bracket 8 is connected by covering the front side edge and the vehicle width direction outer side edge by the present invention, the present invention is not limited to this, and the shroud side panel 6 and the radiator support bracket 8 are connected to each other. The inner wall portion may be provided along the inner edge in the width direction and the inner wall portion may be connected to the inner edge of the radiator support bracket 8 to obtain higher joint strength.

[0019]

As described above, according to the present invention, the following effects are exhibited. According to the invention of claim 1, the front wall portion of the shroud side panel is connected to the front edge of the radiator support bracket, and the outer wall portion is connected to the vehicle width direction outer edge of the radiator support bracket, respectively. By increasing the joint strength between the shroud side panel and the radiator support bracket, the supporting strength of the radiator supported by the radiator support bracket can be increased without increasing the number of parts. It is possible to improve.

According to the second aspect of the present invention, the front wall portion of the shroud side panel is connected to the front edge of the condenser supporting portion for supporting the condenser for the cooler, so that not only the supporting strength of the radiator but also the supporting strength of the radiator is improved. The supporting strength of the capacitor can also be improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view around a shroud side panel.

FIG. 2 is a perspective view showing a joined state of a shroud side panel and a radiator support bracket.

FIG. 3 is a vertical sectional side view of a front portion of a vehicle body.

FIG. 4 is a front view around the shroud side panel.

FIG. 5 is a perspective view of a vehicle body.

FIG. 6 is an exploded perspective view of a nose unit.

[Explanation of symbols]

 1 Car 5 Shroud Upper 6 Shroud Side panel 6e Outer wall part 6g Front wall part 8 Radiator support bracket 8b Radiator support piece (Radiator support part) 8c Capacitor support piece (capacitor support part) 9 Radiator 10 Capacitor

Claims (2)

(57) [Scope of utility model registration request] 1. A shroud upper that extends in the vehicle width direction at an upper portion of a front end of a vehicle body, a pair of left and right shroud side panels that have upper ends connected to the shroud upper and extend vertically in the vehicle body, and the shroud side panel. A radiator that is connected to the lower end and supports the lower end of the radiator.
In a front vehicle body structure including a radiator support bracket having a rotor support portion, a lower end portion of the shroud side panel has a front wall portion formed at least along a front edge of the radiator support bracket. And an outer wall portion formed along an outer edge of the radiator support bracket in a vehicle width direction, the front wall portion being at a front edge of the radiator support bracket, and the outer wall portion being a radiator support. A front body structure of a vehicle, characterized in that the brackets are respectively connected to outer side edges in the vehicle width direction. 2. A condenser supporting portion for supporting a lower end of the condenser for a cooler is integrally formed on a front side of the radiator supporting portion of the radiator support bracket,
The front wall portion of the shroud side panel is connected to the front edge of the capacitor support portion.
Front body structure of the described vehicle.