JPH0976936A - Upper structure of front pillar for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the upper structure of a front pillar for a vehicle capable of improving effectively the rigity without increasing a plate thickness. SOLUTION: The upper side flange 17b of a body side outer 17 is joined with the side edge flange 16a of a roof panel 16, while a front pillar inner upper part 11a is joined with the join part, and a roof rail brace 13 connected to both ends 14a of a front roof rail and the front end of a side roof rail is disposed in the lower side of the front pillar inner upper part 11a. The lower side flange 13c of the roof rail brance 13, the lower side flange 11b of the front pillar inner upper part 11a and the lower side flange 17a of the body side outer 17 are joined with each other and further the roof rail brance 13 is joined with the front pillar inner upper part 11a on the upper side above the lower side flanges 13c, 11b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper structure of a front pillar of a vehicle body, and more particularly to a structure of a connecting portion with a roof.

[0002]

2. Description of the Related Art Conventionally, as this type, there is one as shown in FIGS. 5 and 6, for example (JP-A-4-79).
No. 160). In the figure, reference numeral 1 is a front pillar,
The upper side of the front pillar 1 has the following structure.

More specifically, as shown in FIG. 6, a body side outer 3 is connected to a side portion of a roof panel 2, and a reinforcing panel 5 is interposed between the body side outer 3 and the front pillar inner 4. The lower flange 6a of the roof rail brace 6 is joined to these lower flanges 3a, 4a, 5a, and both ends 7a of the front roof rail 7 are joined to the roof rail brace 6. Front flange 7b of this front roof rail 7
Is joined to the front flange 2a of the roof panel 2 (see FIG. 5).

[0004]

However, in such a conventional one, the reinforcing panel 5 is interposed between the body side outer 3 and the front pillar inner 4 to improve the strength. However, since a particularly large load is input at the time of rollover and the like, the plate thickness of the body side outer 3 and the like is increased to secure the strength, which may cause an increase in weight.

Therefore, an object of the present invention is to provide a vehicle front pillar upper structure which can effectively improve the rigidity without increasing the plate thickness.

[0006]

SUMMARY OF THE INVENTION The invention described in claim 1 is made in view of the above problems, and the upper side flange of the body side outer is joined to the side edge flange of the roof panel, and The upper part of the front pillar inner is joined to the joint, and a roof rail brace to which both ends of the front roof rail and the front end of the side roof rail are connected is disposed below the upper part of the front pillar inner. A vehicle front pillar upper structure in which a lower flange of a pillar inner upper portion and a lower flange of the body side outer are joined, and further, the roof rail brace and the front pillar inner upper portion are joined above the lower flange. It is characterized by

According to this structure, the roof rail brace and the upper portion of the front pillar inner are joined above the lower flange, so that the rigidity can be effectively improved without increasing the weight.

According to a second aspect of the present invention, in the invention according to the first aspect, the upper and lower flanges of the reinforcing panel are joined in a closed cross section formed by the body side outer and the front pillar upper portion. The lower flange portion of the reinforcing panel is joined to the upper portion of the front pillar inner at a joint portion above the lower flange of the roof rail brace and the upper portion of the front pillar inner. It has a feature.

According to the third aspect of the present invention, the upper side flange of the body side outer is joined to the side edge flange of the roof panel, the front pillar inner upper portion is joined to the joint portion, and the front pillar inner upper portion is joined. A roof rail brace to which both ends of the front roof rail and front ends of the side roof rails are connected is disposed on the lower side, and the lower flange of the roof rail brace, the lower flange of the upper front pillar inner, and the lower flange of the body side outer are Further, the upper and lower flanges of the reinforcing panel are arranged by being joined in a closed cross section formed by the body side outer and the upper part of the front pillar. A protrusion protruding upward is formed between the side flanges, and the protrusion is connected to the body support. It is characterized in that it has a connection to the front pillar upper structure for a vehicle in Doauta.

According to this structure, by forming the protruding portion connected to the body side outer on the reinforcing panel, it is possible to effectively increase the weight of the large body side outer without increasing the plate thickness of the large body side outer. The strength can be improved.

According to a fourth aspect of the invention, in the invention according to the third aspect, the protrusion of the reinforcing panel is
It is characterized in that it is connected to the body side outer through an adhesive.

According to this structure, unlike welding or the like, no welding mark is left on the surface of the body side outer, and the appearance quality can be secured.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment of the Invention Hereinafter, a first embodiment of the present invention
explain about.

1 to 3 show a first embodiment of the present invention.
Is shown.

First, the structure will be described. Reference numeral 11 in the drawing is a front pillar inner, and the front pillar inner 11 is shown.
The reinforcing panel 12 is joined to the upper part 11a of the.
Below the front pillar upper portion 11a, a roof rail brace 13 that is branched into three forks is arranged.

Then, as shown in FIG. 2, both ends 14a of the front roof rail 14 are attached to a roof front edge extension 13a along the roof front edge of the roof rail brace 13.
Is connected. Also, this roof rail brace 1
The front end portion 15a of the side roof rail 15 is connected to a roof side edge extension 13b along the roof side edge portion of No. 3.

Further, on the upper side of these, the roof panel 1
6 and the body side outer 17 are arranged.

More specifically, the reinforcing panel 12 is formed with upper and lower flanges 12a and 12b which are welded to the front pillar inner upper portion 11a, and two notches 12c are formed in the upper flange 12a. Further, a protruding portion 12d that bulges upward is formed between the flanges 12a and 12b.

Further, the upper portion 11 of the front pillar inner
The lower flange 11b of the a is the roof rail brace 13
And lower flanges 13c, 1 of the body side outer 17
A portion P above the lower flange 11b of the front pillar inner upper portion 11a as well as being hit with three pieces of 7a.
In, the roof rail brace 13 is plug-welded.

Further, the upper side flange 17b of the body side outer 17 and the side edge flange 16 of the roof panel 16
a is joined to the front pillar inner upper portion 11a at the joining position of the reinforcing panel upper flange 12a. This body side outer 17 and front pillar inner 11
Is joined to the reinforcing panel 12 through the notch 12c.

Then, as shown in FIG. 1, the reinforcing panel 1
The two protruding portions 12d are connected by a mastic sealer 18 as an "adhesive" near the upper flange 17b of the body side outer 17.

Furthermore, as shown in FIG. 3, the front flange 13d of the roof rail brace 13, the front pillar inner upper portion 11a, and the roof panel front edge flange 16 are provided.
Three b have been hit.

Reference numeral 19 in FIG. 3 is a front window panel.

Next, the order of assembling the above structure will be described.

First, the front pillar inner upper portion 11a
The upper and lower flanges 12a, 12 of the reinforcing panel 12
Spot weld b.

Then, the front pillar inner upper portion 11a to which the reinforcing panel 12 is joined and the roof rail brace 13 are overlapped on the body side outer 17, and the lower flanges 11b, 13c and 17a are spot-welded, and the reinforcing panel is formed. A mastic sealer 18 is interposed and connected between the protrusion 12d and the body side outer 17.

Thereafter, the roof rail brace 13 and the front pillar inner upper portion 11a are plug-welded at the portion P.

In this structure, since the protrusion 12d is formed on the reinforcing panel 12 and the protrusion 12d is connected to the body side outer 17 via the mastic sealer 18, the reinforcing panel 12 is simply interposed. The strength can be further improved as compared with the case where a closed cross section is formed.

Further, the roof rail brace 13 and the front pillar inner upper portion 11a are connected to the lower flange 13c,
Since the joint is made at 11b and the portion P on the upper side, the strength can be improved also in this respect.

Since the strength can be effectively improved in this manner, the strength at the time of rollover can be secured without increasing the plate thickness of each panel as in the conventional case, and the weight can be reduced. You can

Further, since the reinforcement panel protrusion 12d is connected to the body side outer 17 via the mastic sealer 18, unlike the case where the reinforcement panel protrusion 12d is connected by welding or the like, a welding mark is left on the outer surface of the body side outer 17. It is possible to secure the appearance quality.

(Second Embodiment of the Invention) FIG. 4 shows a second embodiment of the present invention.

Embodiment 2 of the present invention is a reinforcing panel 2
2 is different from that of the first embodiment. That is,
In this reinforcing panel 22, the lower flange 22b extends downward as compared with the first embodiment, and the lower flange 22b
Is spot welded between the upper front pillar inner portion 11a, the roof rail brace 13 and the lower flanges 11b, 13c, 17a of the body side outer 17.

The upper flange 22 of the reinforcing panel 22
The a and the protrusion 22d are the same as those in the first embodiment.

The assembling order in the second embodiment may be the assembling order as in the first embodiment or the following assembling order.

That is, the upper side flange 22a and the lower side flange 22b of the reinforcing panel 22 are connected to the body side outer 1
Welded to No. 7 and overlapped the front pillar inner upper part 11a and the roof rail brace 13 on this.
b, 13c, 17a, 22b are welded, and the front pillar inner upper part 11a and the roof rail brace 13 are welded.
And are plug-welded at the portion P.

Even in this case, as in the first embodiment,
The strength can be effectively improved.

The lower flange 22 of the reinforcing panel 22.
b can also be spot-welded to the body side outer 17 as shown by the one-dot, two-dot or three-dot chain lines in the figure.

[0039]

As described above, according to claims 1 and 2,
According to the invention described in, by joining the roof rail brace and the front pillar inner upper portion above the lower flange, without inviting an increase in weight,
The rigidity can be effectively improved.

According to the third aspect of the present invention, by forming the protruding portion connected to the body side outer on the reinforcing panel, the weight increase can be achieved without increasing the plate thickness of the large body side outer. The strength can be effectively improved without being invited.

According to the invention described in claim 4, in addition to the effect described in claim 3, unlike welding or the like, no welding mark is left on the surface of the body side outer, and the appearance quality can be secured. Exerts a beneficial effect.

[Brief description of drawings]

FIG. 1 is a sectional view taken along the line AA of FIG. 2 showing a first embodiment of the present invention.

FIG. 2 is a view showing the first embodiment and is a perspective view of an essential part with a roof panel and a body side outer removed.

FIG. 3 is a sectional view taken along line BB in FIG. 2 showing the first embodiment.

FIG. 4 is a sectional view corresponding to FIG. 1 showing a second embodiment of the present invention.

FIG. 5 is a perspective view corresponding to FIG. 2 showing a conventional example.

FIG. 6 is a sectional view taken along the line C-C in FIG. 5 showing the conventional example.

[Explanation of symbols]

 11 Front pillar inner 11a Upper part 11b Lower flange 12,22 Reinforcement panel 12a, 22a Upper flange 12b, 22b Lower flange 12d, 22d Projection 13 Roof rail brace 13c Lower flange 14 Front roof rail 14a End 15 Side roof rail 15a Front end 16 Roof panel 16a Side edge flange 17 Body side outer 17a Lower flange 17b Upper flange 18 Mastic sealer (adhesive)

Claims (4)

[Claims] 1. An upper flange of a body side outer is joined to a side edge flange of a roof panel, an upper part of a front pillar inner is joined to the joined part, and both end parts of a front roof rail are attached to a lower side of the upper part of the front pillar inner. And a roof rail brace to which front ends of the side roof rails are connected, the lower flange of the roof rail brace, the lower flange of the upper front pillar inner and the lower flange of the body side outer are joined together, and further, the roof rail brace. A front pillar upper structure for a vehicle, characterized in that the upper part of the front pillar and the upper part of the front pillar are joined above the lower flange. 2. The vehicle front pillar upper structure according to claim 1, wherein the upper and lower flanges of the reinforcing panel are joined in a closed cross section formed by the body side outer and the front pillar upper portion. A vehicle, characterized in that the lower flange portion of the reinforcing panel is joined to the upper portion of the front pillar inner at a joining portion above the lower flange of the roof rail brace and the upper portion of the front pillar inner. Front pillar superstructure for. 3. An upper flange of a body side outer is joined to a side edge flange of a roof panel, an upper front pillar inner portion is joined to the joined portion, and both end portions of a front roof rail are attached to a lower side of the upper front pillar inner portion. And a roof rail brace to which front ends of the side roof rails are connected, the lower flange of the roof rail brace, the lower flange of the upper front pillar inner and the lower flange of the body side outer are joined together, and further, the body side The upper and lower flanges of the reinforcing panel are disposed by being joined in a closed cross section formed by the outer and the upper part of the front pillar, and the reinforcing panel projects upward between the upper and lower flanges. Is formed, and the protrusion is connected to the body side outer. The upper structure of the front pillar for the vehicle. 4. The vehicle front pillar upper structure according to claim 3, wherein the protruding portion of the reinforcing panel is connected to the body side outer through an adhesive. Construction.