JP2001199365A - Structure for assembling vehicular body panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easy and low cost structure for assembling a vehicular body panel allowing to prevent erroneous assembly of the vehicular body panel. SOLUTION: In this structure for assembling the vehicular body panel where a front end part 6a of a cowl side 6 is jointed onto a right face side of a joint part 5a of a fender apron 5, a projection projecting from a back face side of the fender apron 5 and having larger dimension in height than a plate thickness T of the cowl side 6 is provided at a tip of the joint part 5a of the fender apron 5. Beads 22, 36 formed by recessing the tip of the joint part 5a of the fender apron 5 toward the back face side of the fender apron 5, or a tongue piece 33 formed by bending an extended part provided at the tip of the joint part 5a of the fender apron 5 toward the back face side of the fender apron 5 can be used as the projection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling structure of a vehicle body panel for mounting a plurality of vehicle body panels constituting a vehicle body of an automobile, and more particularly, to a cowl side and a fender apron which constitute a side wall of an engine room of the automobile. Related to the mounting structure.

[0002]

2. Description of the Related Art An automobile 100 as shown in FIG.
Normally, an engine room 101 is provided at a front portion thereof, and a fender apron 105, a cowl side 106, and the like are provided at side portions of the engine room 101, and constitute a part of a side wall. FIG. 12 is an enlarged perspective view of the main part. The fender apron 105 is provided on the front side of the vehicle, and a cowl side 106 is provided on the rear side of the fender apron 105 in the vehicle. Further, the inside of the fender apron 105 and the cowl side 106 in the vehicle width direction, that is, the indoor side (hereinafter, simply referred to as the indoor side).
Is provided with a strut tower 109.

[0003] A cross section of a joining portion 111 of the fender apron 105 and the cowl side 106 is configured as shown in FIG. Fender apron 105
An upper wall surface 115 disposed substantially horizontally, and the upper wall surface 115;
Inclined surface 116 extending inclining toward the indoor side from
And a vertical wall 117 extending downward from the inclined surface 116. On the other hand, the front end portion 106 of the cowl side 106
a is the indoor side with respect to the fender apron 105 and the upper side in the vehicle vertical direction (hereinafter, simply referred to as the upper side).
The upper wall surface 120 and the inclined surface 121
It has. Also, the joint 111 between the fender apron 105 and the cowl side 106 is
5, 120 and the inclined surfaces 116, 121 are joined by spot welding or the like.

[0004] A procedure for assembling the fender apron 105 and the cowl side 106 will be described below. First, the cowl sides 106, 106 are attached to both ends of the cowl top in advance.
While fixing the fender aprons 105, 105 to the jig. Next, the cowl top and the cowl sides 106, 106 are assembled to the fender aprons 105, 105 from above and behind the vehicle. At this time, as shown in FIG.
a is disposed inside and on the upper side of the joining portion 105a of the fender apron 105 and is brought into contact therewith, and as shown in FIG.
The fender apron 105 and the cowl side 106 are joined by performing spot welding or the like on the 0 and the inclined surfaces 116 and 121.

However, the operator mistakenly inserts the front end portion 106a of the cowl side 106 into the lower portion of the joint portion 105a of the fender apron 105, so that the position of the fender apron 105 is on the upper side and the cowl side 106 is on the lower side. In such a state, spot welding may be performed as it is. When such an erroneous assembly is performed, the fender apron 105 may be deformed to have a shape indicated by a dashed line in FIG. 14, and it is difficult to assemble other components in the vicinity of the joining portion 111. There was a possibility that the problem described above would occur. In FIG. 14,
The solid line indicates the joint 10 of the fender apron 105 before deformation.
FIG. 5A is a schematic view, and the alternate long and short dash line is a schematic view of the joint portion 105a of the fender apron 105 when deformation occurs.

Therefore, in order to prevent this erroneous assembly, as shown in FIG.
A stopper 125 is provided on a jig for fixing the. Since the stopper 125 contacts the outside of the fender apron 105 in the vehicle width direction, that is, the surface of the outside of the fender apron 105 (hereinafter, simply referred to as the outside of the vehicle), the front end portion 106a of the cowl side 106 is outside of the fender apron 105 and When trying to enter the lower side, the front edge 1 of the cowl side 106
06b is configured to abut against the stopper 125.

[0007] However, the stopper 125
Each time welding work between the fender apron 105 and the cowl side 106 was required to be attached and detached every time, which was very troublesome. The stopper 125
In addition to the countermeasures described above, there is also a means for visually confirming whether or not there is an erroneous assembly by an operator, but this also requires much time and effort and increases the burden on the operator.

[0008]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems and provides an assembling structure of a vehicle body panel which can prevent erroneous assembly of a cowl side and a fender apron at a simple and inexpensive cost. The purpose is to do.

[0009]

In order to achieve the above object, a vehicle body assembling structure according to the present invention achieves the above object by selecting two adjacent vehicle bodies out of a plurality of vehicle body panels constituting a vehicle body of an automobile. In the assembly structure of a vehicle body panel in which a joint portion is provided at each end of the panel, and a joint portion of the other body panel is overlapped and joined to a surface of the joint portion of one body panel, the joining of the one body panel is performed. On the back side of the tip
A projection whose height is larger than the thickness of the other vehicle body panel is provided.

According to the above assembly structure, when the other vehicle body panel attempts to enter the lower part of one vehicle body panel, the other vehicle body panel comes into contact with the projection provided at the end of the joint of the one vehicle body panel. The operator can easily and surely notice, and prevent erroneous assembly of the other vehicle body panel. Further, unlike the related art, there is no need to attach or remove the stopper every time the other body panel is assembled, and further, it is not necessary to visually check the operation, so that the working efficiency can be greatly improved. Since the projection is provided in the joint portion, muddy water, rain water, and the like do not enter the inside of the vehicle body from the joining portion of one vehicle body panel and the other vehicle body panel.

In the vehicle body assembling structure according to one aspect of the present invention, the protrusion of the one vehicle body panel is a bead formed by recessing the front end of the joint toward the back surface thereof. The protrusions enhance the strength of the joint of one vehicle body panel, so that even when one vehicle body panel collides with the other vehicle body panel, deformation of one vehicle body panel can be prevented. Further, when this bead is formed integrally with one of the vehicle body panels, it is only necessary to perform a simple repair on the molding die of the one vehicle body panel, so that the cost is extremely simple and the cost is low.

Further, in the vehicle body assembling structure according to another aspect of the present invention, the projection of the one vehicle body panel has a tongue piece formed by bending an extending portion provided at a tip of the joint portion toward a back surface side. It is. In the vehicle body assembling structure according to still another aspect of the present invention, the one vehicle body panel is a fender apron panel, and the other vehicle body panel is a cowl side panel.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a vehicle body panel mounting structure according to the present invention. FIG. 1 shows a structure for assembling a vehicle body panel according to an embodiment of the present invention, specifically, a fender apron 5 and a cowl side 6.
FIG. 1 is a perspective view of an automobile 1 adopting an assembling structure shown in FIG. 1, and an engine room 2 is disposed at a front portion of the automobile 1. As shown in FIGS. 1 and 2, a fender apron 5 and a cowl side 6 are arranged on the side of the engine room 2 in a state where they are joined to each other by welding. The fender apron 5 constitutes a side wall of the engine room 2, is provided at an upper end portion and extends to the outside of the vehicle, and an inclined surface inclined obliquely downward from the upper wall 8 toward the room. 10 and a vertical wall surface 12 extending downward from the inclined surface 10
And an inner wall surface 14 extending from the vertical wall surface 12 to the indoor side and constituting a side portion of the strut tower 13.

On the other hand, the cowl side 6 has an upper wall surface 15 disposed at the upper end and extending to the outside of the room.
And an inclined surface 17 extending obliquely downward toward the interior side of the vehicle, and a lower wall surface 19 in which the lower end of the inclined surface 17 is bent to the outside of the vehicle. The length of the lower wall surface 19 in the vehicle front-rear direction is provided. Is formed shorter than the upper wall surface 15 of the upper end portion. Therefore, the front end portion 6a, which is the joint portion of the cowl side 6, has a shape in which the upper wall surface 15 and the inclined surface 17 protrude forward of the vehicle, and this front end portion 6a is formed on the surface side of the joint portion 5a of the fender apron 5. It is placed on and joined. The joining means is not particularly limited, and various common means can be used. In this embodiment, a case where the joining is performed by spot welding will be described.

FIG. 3 shows the structure of the joint 20 between the joint 5a of the fender apron 5 and the front end 6a of the cowl side 6.
This will be described with reference to FIG. In the joint 5a of the fender apron 5, a substantially hemispherical bead 22 bulging toward the outdoor side is formed integrally with the inclined surface 10 substantially at the center of the inclined surface 10. The bead 22 is formed in the region of the joint portion 5a of the fender apron 5, and the front edge 22a of the bead 22 is connected to the front edge 6b of the cowl side 6.
It is arranged behind the vehicle. Therefore, there is a sufficient joint surface between the front edges 22a and 6b, and the fender apron 5 and the cowl side 6 are securely in close contact with each other.

The height H of the bead 22 is greater than the thickness T of the cowl side 6 at the highest point. When the cowl side 6 tries to enter the lower part of the fender apron 5, the height H of the bead 22 is increased. Rear edge 22b
, The front edge 6b of the cowl side 6 abuts, so that the operator can easily notice and the erroneous assembly is prevented. The bead 24 shown by the dashed line in FIG.
This is an unfavorable example in the case where it is too long in front of the vehicle, and includes a front edge 24a of the bead 24 and a front edge 6b of the cowl side 6.
A gap 27 is generated between the engine and the engine room 2, and rainwater or the like may enter the interior of the engine room 2 from the gap 27.

The operation of the vehicle body panel having the above structure will be described below. First, as shown in FIG.
The cowl sides 6, 6 are welded to both ends of the cowl top 30 in advance, and the fender aprons 5, 5 are fixed to a jig (not shown). Next, the cowl top 30 to which the cowl sides 6 and 6 are assembled is assembled to the fender aprons 5 and 5 from above and behind the vehicle. At this time, as shown in FIG.
a is disposed on the indoor side and above the joining portion 5a of the fender apron 5, and as shown in FIG. 4, spot welding is performed on the upper portion and the lower portion of the joining portion 20, so that the fender apron 5 and the cowl side 6 are joined together. Join.

As shown in FIG. 7, when the front end 6a of the cowl side 6 tries to go under the joint 5a of the fender apron 5, the bead 22 of the fender apron 5 inserts the front end of the cowl side 6. The cowl side 6 does not go under the fender apron 5 because the bumper 6b strikes. Further, since the bead 22 is formed, the surface rigidity of the fender apron 5 is improved, so that even when the front end edge 6b of the cowl side 6 abuts on the bead 22 of the fender apron 5, the fender apron 5 is not deformed. .

The present invention is not limited to the above-described embodiment, and various modifications and changes can be made based on the technical concept of the present invention. For example, as shown in FIGS. 8 and 9, a substantially rectangular tongue 33 bent outward may be provided at the rear end of the inclined surface 10 of the fender apron 5. The tongue piece 33 may be formed integrally with the fender apron 5 or may be separately provided later.

Further, the shape of the bead 22 is not limited to a substantially hemispherical shape. For example, as shown in FIG. 10, a bead 36 having two substantially triangular side surfaces 35 may be used. The number of the beads 22 and 36 is not limited to one, and a plurality of beads 22 and 36 can be provided, and a portion where the beads 22 and 36 are provided is not limited to only the inclined surface 10 of the fender apron 5. For example, in the case where the fender apron 5 and the cowl side 6 are joined by spot welding, the beads 22 and 36 are formed in other portions without adversely affecting the spot welding and within the range of the joining portion 5a. It is possible to

[0021]

According to the present invention, it is possible to prevent erroneous assembling due to an error in the arrangement or positional relationship of each panel in an assembling structure of a vehicle body panel constituted by stacking at least two or more panels. . For example, when assembling the cowl side, if the cowl side tries to enter the lower part of the fender apron, the cowl side collides with the projection provided at the tip of the joint of the fender apron, so that the cowl side can be easily assembled incorrectly. It can be reliably prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of an automobile employing a cowl side assembly structure according to the present invention.

FIG. 2 is an enlarged perspective view of a main part of FIG. 1;

FIG. 3 is an enlarged perspective view of a part A in FIG. 2;

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is a sectional view taken along line CC of FIG. 3;

FIG. 6 is a perspective view showing a state where a cowl side is assembled to a fender apron.

FIG. 7 is an enlarged perspective view of a main part of FIG. 6;

FIG. 8 is a perspective view of a fender apron provided with a tongue piece at a joint.

FIG. 9 is a sectional view taken along line DD of FIG. 8;

FIG. 10 is a perspective view of a fender apron provided with a triangular bead at a joint.

FIG. 11 is a perspective view of an automobile employing a conventional cowl side assembly structure.

FIG. 12 is an enlarged perspective view of a main part of FIG. 11;

13 is a sectional view taken along line EE in FIG.

FIG. 14 is a conceptual diagram showing a deformed state of a fender apron when a cowl side is erroneously assembled.

FIG. 15 is a cross-sectional view showing a stopper jig and a fender apron which are conventional measures for preventing erroneous assembly.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automobile 2 Engine room 5 Fender apron 5a Joint 6 Cowl side 6a Front end 6b Front end 8,15 Upper wall surface 10,17 Inclined surface 12 Vertical wall surface 13 Strut tower 19 Lower wall surface 20 Fitting portion 22,24,36 Bead 22a, 24a front edge 27 gap 30 cowl top 33 tongue piece 35 side

Claims (4)

[Claims] 1. A joint portion is provided at an end of two adjacent body panels of a plurality of body panels constituting a car body of an automobile, and a joint portion surface of one of the body panels is In the assembling structure of the vehicle body panel in which the joints of the other vehicle body panels are overlapped and joined, the height dimension of the joint portion of the one vehicle body panel is smaller than the plate thickness of the other vehicle body panel. An assembly structure for a vehicle body provided with large projections. 2. The vehicle body assembling structure according to claim 1, wherein the protrusion of the one vehicle body panel is a bead formed by recessing a front end of the joint portion toward a back surface thereof. . 3. The projection according to claim 1, wherein the protrusion of the one vehicle body panel is a tongue piece obtained by bending an extending portion provided at a tip of the joint portion toward a back surface side. Assembly structure of the car body. 4. The vehicle body assembling structure according to claim 1, wherein said one vehicle body panel is a fender apron panel, and said other vehicle body panel is a cowl side panel.