JP3376815B2 - Car side panel reinforcement structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing structure for reinforcing a side panel in a box-shaped automobile called a so-called one-box car or a wagon car.

[0002]

2. Description of the Related Art A large side panel 1 having no door as shown in FIG. 14 is used in a so-called one-box car or the like, and a seat or a luggage compartment is formed inside the side panel 1. As shown in FIG. 15, a normal side panel 1 is composed of an outer panel 2 and an inner panel 3 made of sheet metal, and a trim 4 as an interior material may be attached to the inner panel 3 as needed. . Further, the inner panel 3 has some openings 5 formed at appropriate places as illustrated by the broken lines in FIG.

Since the side panel 1 is considerably long in the front-rear direction and has a large area, it has a so-called Z-shaped cross section in the vicinity of an intermediate pillar forming a skeleton of a vehicle body side portion in order to secure necessary rigidity. The rigidity is increased by providing a skeleton reinforcing member made of sheet metal. When the trim 4 is mounted as shown in FIG. 15, a part of the trim 4a projects toward the outer panel 2 at a portion corresponding to the opening 5 of the inner panel 3 so that a large vehicle interior space can be secured. I have to. Then, by fixing the edge portion 5a of the opening 5 of the inner panel 3 to the inner surface of the outer panel 2 with the adhesive 6, the tension rigidity of the outer panel 2 is secured.

[0004]

The side panel 1 as described above has increased rigidity due to the skeleton reinforcing member provided in the vicinity of the intermediate pillar, but since the skeleton reinforcing member itself has a Z-shaped cross section, the rigidity is increased. Is low, and only the function of contributing to the panel vibration suppressing effect of the side panel 1 can be exhibited. Further, when the trim 4 is mounted, the trim mounting portion 7 is formed on the inner panel 3 as shown in FIG. 15 and the trim 4 is locked by the fixing tool 8 such as a clip. Large opening 5
Due to the fact that the trim is formed, there is a problem that not only the optimum position of the trim mounting portion 7 cannot be selected, but also the supporting rigidity of the trim 4 cannot be sufficiently enhanced.

Accordingly, an object of the present invention is to provide a side panel reinforcing structure which can effectively reinforce a side panel having no door and which is effective when a trim is attached as needed.

[0006]

A side panel reinforcing structure according to a first aspect of the present invention developed to achieve the above object is a side panel constituting a side portion of a vehicle body as described in claim 1. The front skeleton reinforcing member and the rear skeleton reinforcing member that form pillars provided on the front and rear portions of the vehicle, and the upper portion of the vehicle body that is provided between the front skeleton reinforcing member and the rear skeleton reinforcing member. An intermediate skeleton reinforcing member having a closed cross-section structure provided inside the side panel so as to be connected to a roof side rail that constitutes a side part and a lower side is connected to a vehicle body constituent member that is connected to the side panel, and the front skeleton. The input extending from the outside of the side panel is arranged between the reinforcing member and the rear frame reinforcing member so as to extend in the front-rear direction and face the side panel at a predetermined interval. An outer panel of the side panel and the side impact bar, the side impact bar being connected to the intermediate skeleton reinforcing member so as to perform heavy transmission, and including a side impact bar assembled and fixed to the front skeleton reinforcing member and the rear skeleton reinforcing member. And are fixed to each other with an adhesive ,
Also, from the small holes at the appropriate points on the side impact bar
A trim locking part is provided, and the back surface of the trim locking part is provided.
The fixing parts provided on the side of the
And lock the trim to the side impact bar above.
It is a side panel reinforcing structure characterized by being configured to be able to.

In this case, since the intermediate skeleton reinforcing member having a closed cross section that extends over the roof side rail and the vehicle body constituent member such as a wheel house functions as a load receiving member between the front and rear pillars of the side panel, it is long. The support rigidity of the side impact bar is strengthened. The side impact bar may be mainly composed of a metal pipe, or may be one in which a reinforcing rib is formed by pressing a thick metal plate, but other forms may be used. .

According to a second aspect of the present invention, the side panel reinforcing structure according to the present invention is arranged so as to extend in the front-rear direction between the front skeleton reinforcing member and the intermediate skeleton reinforcing member. A front side portion of a side impact bar fixed to a bracket assembled to the intermediate skeleton reinforcing member, which is provided and is connected to the intermediate skeleton reinforcing member, facing the side panel, and the rear skeleton reinforcing portion.
Between the material and the intermediate skeletal reinforcement member in the front-back direction.
At the connection part with the intermediate skeleton reinforcing member
The side impact bar fixed to the bracket
The rear side portion of the

That is, in this case, when supporting the side impact bar, a bracket is joined to the surface of the intermediate skeleton reinforcing member so as to face the side panel, the side impact bar is assembled and fixed to this bracket, and a side impact occurs at the time of a side collision. By sandwiching the support bracket of the bar between the intermediate frame reinforcing member and the side panel, the side impact bar is prevented from falling off due to peeling and the impact bar function is enhanced. Usually, it is difficult to make a wide gap between the side panel and the intermediate skeleton reinforcing member, and it is necessary to join them with a bracket. Therefore, the above configuration is effective.

Also, as described in claim 3, the side
Trim locking consisting of small holes at appropriate points on the impact bar
Section is provided and fixed on the back side of the trim locking section
By attaching the parts for the trim to the above-mentioned trim locking part so that the trim can be mounted using the side impact bar, the optimum position of the trim mounting part can be selected even if the inner panel has an opening etc. The trim can be supported with high rigidity. Further, the inner surface of the outer panel and the side impact bar can be fixed to each other by adhesion or the like, and the tensile rigidity of the outer panel can be further enhanced.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. One side portion of the vehicle body 10 of the automobile shown in FIG. 2 is configured by a relatively large side panel 11 having no door. As shown in FIG. 1, the side panel 11 includes an outer panel 12 made of a sheet metal located outside the vehicle body, an inner panel 13 made of a sheet metal located inside the vehicle body, and the like. A relatively large opening 14 is formed at an appropriate position in the inner panel 13 for the purpose of, for example, providing a large vehicle interior space.

A trim 15 made of a synthetic resin material or the like is mounted on the inner side of the inner panel 13.
At a position corresponding to the opening 14 of the trim 15, a portion 15a having a shape that fits into the opening 14 and protruding toward the outer panel 12 is formed.

As shown by hatching (parallel hatching) in FIG. 3, a front skeleton reinforcing member 20 constituting a pillar is provided on the front side of the side panel 11. A rear skeleton reinforcing member 21 forming a pillar is also provided on the rear side. An intermediate skeleton reinforcing member 22 forming a pillar is also provided in the front-rear direction intermediate portion. These skeleton reinforcing members 2
Each of 0, 21, 22 extends in the vertical direction along the outer panel 12, and its upper end is welded to a member 25 on the vehicle body side such as a roof side rail. Front skeleton reinforcing member 20
The lower end of the rear frame reinforcing member 21 is welded to a body-side member 26 such as a side sill. The lower end side of the intermediate skeleton reinforcing member 22 is welded to a wheel house 27 as a vehicle body constituent member.

As shown in FIG. 1, the front skeleton reinforcing member 20 and the rear skeleton reinforcing member 21 include columnar structural members 30 and 31 having a hat-shaped cross section. A closed cross section is formed by the portions 13a and 13b. The intermediate skeleton reinforcing member 22 also includes a columnar structural material 32 having a hat-shaped cross section, and the structural material 32 and a part 13c of the inner panel 13 form a closed cross section. These structural materials 30, 31, 32 are
A metal plate is formed by press forming so as to have a hat-shaped cross section. By welding the flange portions 30a, 31a, 32a of the structural materials 30, 31, 32 to the inner panel 13, respectively, the required bending rigidity is obtained. And has obtained torsional rigidity.

A side impact bar 40 is provided across the front and rear frame reinforcing members 20 and 21 and the intermediate frame reinforcing member 22. The side impact bar 40 of this embodiment includes a front side portion 40a and a rear side portion 4a.
0b, the front portion 40a is fixed to the front skeleton reinforcing member 20 and the intermediate skeleton reinforcing member 22, and the rear portion 40b is fixed to the rear skeleton reinforcing member 21 and the intermediate skeleton reinforcing member 22. That is, the side impact bar 40 is arranged so as to face the side panel 11 at a predetermined interval, and is connected to the intermediate skeleton reinforcing member 22 so that the load is transmitted to the input applied from the outside of the side panel 11. .

The front side portion 40a and the rear side portion 40b of the side impact bar 40 are both a bar main body 41 made of one or a plurality of metal pipes extending in the front-rear direction of the side panel 11, and both ends of the bar main body 41. The terminal mounting portion 43 provided is included, and the terminal mounting portion 43 is overlapped and welded to the skeleton reinforcing members 20, 21, 22 from the outside.

The bar body 41 may be a press-formed product in which a reinforcing rib is formed along the longitudinal direction by pressing a thick metal plate instead of the metal pipe. Terminal mounting part 43
For example, as shown in FIG. 5 (a), a press-formed product of a metal plate may be welded to the bar body 41, or as shown in FIG. 5 (b), the bar body 4 made of a metal pipe.
The end mounting portion 4 may be formed by shaping the end portion of 1 into a flat shape to form the end mounting portion 43. In either case, the end mounting portion 4 may be formed.
3 is fixed to the skeleton reinforcing member 22 by welding, bolting, riveting or the like. Reference numeral 4 in FIG.
3a shows an example of a spot welded portion.

Trim 1 on the side impact bar 40
5 is locked. As the locking structure, as shown in an example in FIG. 4, a fixing part 51 such as a clip is provided on a support part 50 formed on the back surface side of the trim 15, and
A trim locking portion 52 including a small hole is provided at a position corresponding to the fixing component 51 of the side impact bar 40, and the fixing component 51 attached to the trim 15 is attached to the trim locking portion 52 from the inside of the vehicle. By attaching the trim 15 to the middle portion in the vertical direction, the side impact bar 40
It is locked to.

Further, a thick adhesive 55 is loaded between the inner surface of the outer panel 12 and the side impact bar 40, and the side impact bar 40 is attached by this adhesive 55.
The outer panel 12 is supported by the. By doing so, each part of the outer panel 12 in the front-rear direction is supported by the side impact bar 40 functioning as a substantially rigid body over a long range, so that the outer panel 1 having a large area is provided.
The tensile rigidity of 2 is greatly improved.

As shown in FIGS. 6 to 10, the intermediate skeleton reinforcing member 22 has a closed cross section composed of the inner panel 13 and the structural material (reinforcement) 32, and the upper side thereof is a member on the vehicle body side. It is fixed to (roof side rail) 25. On the lower portion 22a side of the intermediate skeleton reinforcing member 22, a structural material (reinforce) 32 extends toward the wheel house outer 27a side and is formed in a closed cross section to be continuous.
As shown in FIG. 5, it is connected to a frame 58 on the lower surface of the floor via a brace member 57.

Thus, the lower portion 2 of the intermediate skeleton reinforcing member 22
By connecting the 2a side to the wheel house 27, load distribution can be achieved on the curved surface of the wheel house 27.
It is possible to receive a load without extending 2a to the frame on the lower surface of the floor. It should be noted that the load can be received by connecting the intermediate frame reinforcing member 22 to the floor from the vehicle interior side of the wheel house 27, but in that case, the living space of the vehicle interior is sacrificed, which is not preferable.

The side impact bar 40 of this embodiment
Is fixed to a terminal attachment portion (bracket) 43 assembled to the intermediate skeleton reinforcing member 22 facing the side panel 11 at a connection portion with the intermediate skeleton reinforcing member 22. That is, when supporting the side impact bar 40,
A terminal mounting portion (bracket) 43 is coupled to the surface of the intermediate skeleton reinforcing member 22 so as to face the side panel 11, and a side impact bar 40 is assembled and fixed to the terminal mounting portion 43 to be attached to the side impact bar 40 at the time of a side collision. By sandwiching the terminal attachment portion 43 of the intermediate skeleton reinforcing member 22 and the side panel 11, the side impact bar 40 is prevented from falling off due to peeling and the impact bar function is enhanced.

The intermediate skeleton reinforcing member 22 shown in FIG.
Like the modified example of the lower portion 22a of the above, the lower portion of the structural material (reinforce) 32 is formed in an inverted T shape, and the lower end thereof is welded to the wheel house outer 27a to form a closed cross section with the inner panel 13. It may be formed.

The second embodiment shown in FIG. 12 uses one side impact bar 40 which is continuous in the front-rear direction of the side panel 11. The side impact bar 40 has a bar main body 41 that straddles the front skeleton reinforcing member 20 and the rear skeleton reinforcing member 21, and terminal mounting portions (brackets) 43 provided at both ends of the bar main body 41. The mounting portion 43 is welded to the frame reinforcing members 20 and 21. An intermediate portion in the longitudinal direction of the bar body 41 is fixed to the intermediate skeleton reinforcing member 22 by a fixing component 60 such as a bolt.
In the case of the illustrated example, a small hole 61 for inserting the fixing component 60 into the skeleton reinforcing member 22 is formed in a part 13c of the inner panel, but when viewed as the skeleton reinforcing member 22 as a whole, a substantially closed cross section is obtained. Has become. Since the configuration other than the above is the same as that of the first embodiment, the same parts as those of the first embodiment are designated by the common reference numerals and the description thereof will be omitted.

The side impact bar 40 of the third embodiment shown in FIG. 13 is a bar main body 41 continuous in the front-rear direction.
The longitudinal intermediate portion is inserted into the through hole 70 formed in the intermediate skeleton reinforcing member 22, and the bar main body 41 is fixed to the skeleton reinforcing member 22 by fixing means such as welding 71. The other configurations are the same as those in the first and second embodiments. In any of the above embodiments, the bar body 41 may be a press-molded product in which a reinforcing rib is formed by press working on a thick metal plate instead of the pipe.

[0026]

According to the invention described in claim 1, the rigidity of the side panel constituting the side portion of the vehicle body can be further enhanced as compared with the conventional case, and the deformation against the load applied from the side can be suppressed. it can. Moreover, an adhesive is loaded between the inner surface of the outer panel and the side impact bar, and the adhesive fixes the outer panel to the side impact bar. By doing so, since the front and rear direction parts of the outer panel are supported over a long range by the side impact bar that functions as a substantially rigid body, the tensile rigidity of the outer panel having a large area is significantly improved. Moreover,
Trim member consisting of small holes formed on the side impact bar
Use the stop to lock the trim to the side impact bar.
The trim can be supported with high rigidity
Becomes According to the invention described in claim 2, combines the bracket so as to face the surface of the middle frame reinforcement member to the side panels, the side impact bar of the probe to the fixed and the vehicle side collision assembled side impact bar to the bracket By sandwiching the racket between the intermediate skeleton reinforcing member and the side panel, it is possible to prevent the side impact bar from falling off due to peeling and improve the impact bar function. Normal,
It is difficult to make a wide gap between the side panel and the intermediate skeleton reinforcing member, and since it is necessary to join them with a bracket, the configuration of claim 2 is effective. Further, in the case where the trim is installed on the inner side of the vehicle interior of the inner panel, the trim according to claim
By configuring as described in, it is possible to lock the trim by using the side impact bar,
Sufficient trim support rigidity can be obtained regardless of whether or not there is an opening formed in the inner panel.

[Brief description of drawings]

FIG. 1 is a transverse cross-sectional view of a side panel showing a first embodiment of the present invention.

2 is a perspective view of an automobile having the side panel shown in FIG. 1. FIG.

3 is a perspective view showing a position of a skeleton reinforcing member of the automobile shown in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view showing a modified example of the terminal attachment portion of the side impact bar.

6 is a perspective view showing an intermediate skeleton reinforcing member of the automobile shown in FIG.

7 is a sectional view taken along the line AA in FIG.

FIG. 8 is a sectional view taken along the line BB in FIG.

9 is a perspective view of a C portion in FIG.

10 is a cross-sectional view taken along the line DD in FIG.

FIG. 11 is a perspective view showing a modified example of the lower side of the intermediate skeleton reinforcing member.

FIG. 12 is a cross-sectional view of a side panel showing a second embodiment of the present invention.

FIG. 13 is a cross-sectional view of a side panel showing a third embodiment of the present invention.

FIG. 14 is a perspective view showing a part of a conventional side panel.

15 is a cross-sectional view taken along the line aa in FIG.

[Explanation of symbols]

11 ... Side panel 12 ... Outer panel 13 ... Inner panel 15 ... Trim 20 ... Front skeleton reinforcing member 21 ... Rear frame reinforcing member 22 ... Intermediate skeleton reinforcing member 40 ... Side impact bar 52 ... Trim locking part

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B62D 25/02

Claims (3)

(57) [Claims] 1. A front skeleton reinforcing member and a rear skeleton reinforcing member constituting pillars provided at front and rear portions of a side panel constituting a vehicle body side portion, the front skeleton reinforcing member and the rear skeleton reinforcing member. A closing member provided inside the side panel so that the upper side is connected to a roof side rail forming a vehicle body side portion and the lower side is connected to a vehicle body component member connected to the side panel. An intermediate skeleton reinforcing member having a cross-sectional structure, extending in the front-rear direction between the front skeleton reinforcing member and the rear skeleton reinforcing member, and arranged so as to face the side panel at a predetermined interval from the outside of the side panel. A side door connected to the intermediate skeleton reinforcing member and assembled and fixed to the front skeleton reinforcing member and the rear skeleton reinforcing member so that a load is transmitted to an applied input. ; And a Pakutoba, the outer panel of the side panel and said side impact bar is fixed by adhesive to each other, and consists of a small hole in the appropriate position of the side impact bar DOO
A rim locking part is provided, and it is installed on the back side of the trim locking part.
By inserting the fixing part for the beam into the trim locking part,
Lock the trim to the side impact bar above.
Side panel reinforcement structure for an automobile, characterized in that the cormorants configuration. 2. A front skeleton reinforcing member and a rear skeleton reinforcing member constituting pillars provided at front and rear portions of a side panel constituting a vehicle body side portion, the front skeleton reinforcing member and the rear skeleton reinforcing member. And an intermediate skeleton reinforcing member having a closed cross-section structure disposed inside the side panel between the front panel, the front skeleton reinforcing member, and the intermediate skeleton reinforcing member and extending in the front-rear direction. A front side portion of a side impact bar fixed to a bracket assembled to the intermediate skeleton reinforcing member facing the side panel at a connection portion with the intermediate skeleton reinforcing member, the rear skeleton reinforcing member, and the intermediate skeleton reinforcing member. And a rear side portion of the side impact bar, which is disposed so as to extend in the front-back direction and is fixed to the bracket at a connection portion with the intermediate skeleton reinforcing member. , Side panel reinforcement structure of a vehicle, characterized by comprising a. 3. An appropriate portion of the side impact bar,
A trim locking part consisting of a small hole is provided, and a fixing part provided on the back surface side of the trim locking part is inserted into the trim locking part to lock the trim to the side impact bar. 3. The structure according to claim 2,
The side panel reinforcement structure of the automobile described.