CN100448731C

CN100448731C - Fahrzeugkarosseriestruktur

Info

Publication number: CN100448731C
Application number: CNB200510125770XA
Authority: CN
Inventors: 内田隆信; 藤井毅; 兼子直树
Original assignee: Mitsubishi Motors Corp
Current assignee: Mitsubishi Motors Corp
Priority date: 2005-01-21
Filing date: 2005-12-01
Publication date: 2009-01-07
Anticipated expiration: 2025-12-01
Also published as: CN1807170A; TWI286108B; DE102006002422A1; JP2006199172A; DE102006002422B4; TW200626402A; JP4341558B2

Abstract

The present invention provides a car body structure, reinforcing the car body strength while favorable impact energy absorbing characteristic is kept in simple constitution and improving the car body assembling accuracy. A strut house 4 and an extension part 11 of a front pillar inner 8 are connected to the inner surface 14a of a plate-like reinforcement 14.

Description

Body structure

Technical field

The present invention relates to a kind of body structure.

Background technology

Prior art discloses the intensity that a kind of strengthening part that closed section structure as the beam of top is set improves vehicle body between pillar shell and A-pillar.

For example, Japanese documentation 1 has disclosed a kind of body structure of above-mentioned prior art.

Japanese documentation 1: the special fair 6-62097 communique of Japan

But if connect the top beam of closed section structure on the pillar shell, then the rigidity of pillar housing parts becomes high, and is unfavorable for the impact-absorbing characteristics aspect of vehicle.And, in the body structure of prior art, there is baroque technological deficiency, when the beam of the top of use closed section structure, the pillar shell is connected the inside face of the interior plate that forms the top beam, and the rear end of outer panel is connected in A-pillar, therefore, the pillar shell is connected on the different plate faces with A-pillar, thereby might reduce the assembly precision of body structure.

Summary of the invention

Therefore, the objective of the invention is to solve above-mentioned technological deficiency, a kind of body structure is provided, it can keep good absorption ability for impact energy by simple structure, and, can when strengthening bus body strength, improve the body assembling precision.

According to the body structure involved in the present invention that solves above-mentioned technological deficiency, be a kind ofly to connect the pillar shell and be positioned at the body structure of the car chamber front end side wall portion at this pillar shell rear by the reinforcement that extends along the vehicle body fore-and-aft direction, wherein,

Described reinforcement is tabular, is connected with above-mentioned pillar shell and above-mentioned car chamber front end example wall portion within it on the side surface.

According to the present invention, since pillar shell and car chamber front end side wall portion are connected in the medial surface of tabular reinforcement, therefore, can be by the good absorption ability for impact energy of simple structure maintenance, and can also when strengthening bus body strength, improve the body assembling precision.

In the optimal way of the present invention that solves above-mentioned technological deficiency, the rear portion of above-mentioned pillar shell is connected in instrument carrier panel, and above-mentioned car chamber front end side wall portion is connected in above-mentioned instrument carrier panel in overall width direction inboard.

According to this optimal way, be connected pillar shell and car chamber front end side wall portion with reinforcement by instrument carrier panel, therefore, can more effectively strengthen bus body strength.

In other optimal ways of the present invention that solve above-mentioned technological deficiency, on above-mentioned reinforcement, be provided with the reinforced rib that extends along the vehicle body fore-and-aft direction.

According to this optimal way, can improve the rigidity of reinforcement, further reduce above-mentioned pillar shell and described instrument carrier panel and move or be out of shape to the vehicle body rear.

In other optimal ways of the present invention that solve above-mentioned technological deficiency, above-mentioned reinforced rib (18) is arranged to the upper end (4c) of pillar shell (4) opposed.

According to this optimal way, can more effectively strengthen the pillar shell.

In solving other optimal ways of the present invention of above-mentioned technological deficiency, be provided with to the outstanding flange part in the overall width direction outside in the upper edge and the lower edge portion of above-mentioned reinforcement.

According to this optimal way, can improve the rigidity of reinforcement, further reduce above-mentioned pillar shell and above-mentioned instrument carrier panel and move or be out of shape to the vehicle body rear.

In solving other optimal ways of the present invention of above-mentioned technological deficiency, be provided with and equipment part bonded assembly installation portion at the front end of above-mentioned reinforcement.

According to the preferred embodiment, can improve the assembly precision of equipment part.

In other optimal ways of the present invention that solve above-mentioned technological deficiency, the above-mentioned car chamber front end side wall portion that connects above-mentioned reinforcement extends the extension that is provided with by inner panel to vehicle body the place ahead of A-pillar portion is set, and the rear end and the A-pillar of above-mentioned reinforcement are opposed.

According to this optimal way, can more effectively absorb the impact energy that puts on described A-pillar.

In other optimal ways of the present invention that solve above-mentioned technological deficiency, above-mentioned reinforcement is wideer than the width of the connecting bridge of above-mentioned reinforcement and above-mentioned car chamber front end side wall portion (11) with the width of the connecting bridge of above-mentioned pillar shell.

According to this optimal way, can strengthen the pillar shell effectively with light-dutyer structure.

Description of drawings

Fig. 1 is the body structure block diagram related according to one embodiment of the invention;

Fig. 2 is the body structure lateral plan related according to one embodiment of the invention;

Fig. 3 is that the A-A of Fig. 2 is to section drawing;

Fig. 4 is that the B-B of Fig. 2 is to section drawing;

Fig. 5 is the assembly method scheme drawing of vehicle body;

Fig. 6 is the scheme drawing of the confined state in vehicle body the place ahead; And

Fig. 7 is that the C-C of Fig. 6 is to section drawing.

The specific embodiment

Below, with reference to the accompanying drawings embodiments of the invention are described in detail.Fig. 1 is the block diagram according to the related body structure of one embodiment of the invention, Fig. 2 is the lateral plan according to the related body structure of one embodiment of the invention, Fig. 3 is that the A-A of Fig. 2 is to section drawing, Fig. 4 is that the B-B of Fig. 2 is to section drawing, Fig. 5 is the scheme drawing of the assembly method of vehicle body, Fig. 6 is the confined state scheme drawing in vehicle body the place ahead, and Fig. 7 is that the C-C of Fig. 6 is to section drawing.

As shown in Figures 1 to 4, on vehicle body 1, be provided with along the vehicle body fore-and-aft direction and extend the longeron 2 that is provided with, and, be formed with engine room 3 in the place ahead of vehicle body 1.Overall width direction arranged outside at longeron 2 has pillar shell 4, is used to accommodate (the omitting diagram) such as suspensions of supporting wheel, at the rear portion of pillar shell 4, is provided with along the overall width direction and extends the instrument carrier panel 5 that is provided with.The connecting portion 4a that pillar shell 4 and instrument carrier panel 5 form by the rear wall top at pillar shell 4 is connected with the connecting portion 5a that the antetheca top at instrument carrier panel 5 forms.

Be provided with the A-pillar 6 (only being the left side among the figure) that extends setting along the vehicle body above-below direction in the both sides of instrument carrier panel 5.This A-pillar 6 is made of the A-pillar outside 7 and A-pillar inboard 8, and the flange part 9 in the A-pillar outside 7 is provided with portion 11 with flange part 10 and the extension of A-pillar inboard 8 and is connected with flange part 12, thus formation closed section structure.And the length of extending the vehicle body fore-and-aft direction that portion 11 is set is also longer than flange part 9, flange part 10 and flange part 12, and is extended to vehicle body the place ahead by A-pillar inboard 8.

That is, instrument carrier panel 5 is connected on the inside face 11a that extends the overall width direction inboard that portion 11 is set by flange part 5b, and will separate at the engine room 3 of the place ahead of this vehicle body fore-and-aft direction formation and the car chamber 13 that forms in the wings.And as shown in Figure 2, the shank that rides in the passenger in the car chamber 13 is expressed as P.

On the other hand, the rear end of the inside face 14a of the overall width direction inboard of tabular reinforcement 14 is connected on the outside face 11b that extends the overall width direction outside that portion 11 is set.Its inside face 14a is connected with the connecting portion 4b on the overall width direction outer wall top that is formed at pillar shell 4.And, outside face 14b front end outside the overall width direction of reinforcement 14 is provided with the installation portion 15 that connects equipment part, upper edge and lower edge portion at outside face 14b form to outstanding flange part 16 and the flange part 17 in the overall width direction outside, simultaneously, be formed with the reinforced rib 18 that extends setting along the vehicle body fore-and-aft direction in its vehicle body above-below direction substantial middle portion.

That is, pillar shell 4 is connected in longeron 2 at inboard its of overall width direction, and it is connected in reinforcement 14 in the overall width direction outside, and it is connected in instrument carrier panel 5 at the rear portion of vehicle body fore-and-aft direction, can realize high rigidization thus.And reinforcement 14 is configured to the connecting portion 19 of the connecting portion 5a of the connecting portion 4a of pillar shell 4 and instrument carrier panel 5 is configured in the scope of inside face 14a, and simultaneously, the upper end 4c of pillar shell 4 is configured to reinforced rib 18 opposed.That is, the upper end 4c of pillar shell 4 and the top 19a and the reinforced rib 18 of connecting portion 19 are configured to equal height.

The shape of reinforcement 14 or configuration are not to be defined in above-mentioned item, flange part 16 and flange part 17 can be set yet.And the upper end 4c of pillar shell 4 and the top 19a of connecting portion 19 also can not be configured to the height identical with reinforced rib 18, go up just passable as long as they are connected to inside face 14a.In addition, in the present embodiment, the left side (co-pilot seat side) of vehicle body is illustrated, but also is applicable to the right side certainly (chaufeur seat side).

Therefore, as shown in Figure 1 and Figure 2, by forming said structure, when the impact energy of head-on crash acts on vehicle body 1, longeron 2 and reinforcement 14 are to vehicle body rear buckling distortion, and meanwhile, the pillar shell 4 between longeron 2 and reinforcement 14 also retreats to the vehicle body rear.

At this, because the overall width direction of pillar shell 4 and instrument carrier panel 5 outside is provided with reinforcement 14, and this reinforcement 14 is formed into A-pillar inboard 8 from the upper end 4c of pillar shell 4 with high rigidity and the connecting portion 19 of pillar shell 4 and instrument carrier panel 5 always, therefore, can make the minimizing that retreats of pillar shell 4, and can prevent that instrument carrier panel 5 from invading in the car chamber 13.And, need not as the body structure of prior art, make reinforcement and A-pillar constitute the closed section structure, or make reinforcement self become the closed section structure, as long as and reinforcement 14 is formed tabular the time, flange part 16, flange part 17 and reinforced rib 18 are set, make it to form accordion-like, though be simple shape, can improve the rigidity of reinforcement 14 effectively, thereby absorb impact energy.

That is, by to the A-pillar inboard 8 reinforcement 14 being set near the upper end 4c of pillar shell 4, carry out minimal reinforcement, the impact energy that acts in the time of just head-on crash can being absorbed.Thus, can prevent that instrument carrier panel 5 from invading in car chamber 13, and realize protection passenger's shank P.

Below, with reference to Fig. 5 to Fig. 7 the assembly method of vehicle body 1 is described.

As shown in Figure 5, the assembling of vehicle body 1 is performed such: at first, vehicle frame ASSY 20 that assembling is made of longeron 2, pillar shell 4 and reinforcement 14 etc. and the pillar ASSY 21 that is made of instrument carrier panel 5, A-pillar 6 etc. then, assemble this vehicle frame ASSY 20 and pillar ASSY 21.

The assembling of vehicle frame ASSY 20 and pillar ASSY 21 is undertaken by making pillar ASSY 21 be configured in assigned position and be connected on reinforcement 14, at this moment, guiding when the reinforcement 14 that has been connected in vehicle frame ASSY 20 sides becomes pillar ASSY 21 and inserts, thus can assemble simply.Thus, can reduce vehicle frame ASSY 20 and pillar ASSY 21 in the deviation in when assembling, thereby, the assembly precision of vehicle body 1 can be improved.

And, shown in Fig. 6,7, after the assembling of vehicle body 1 finishes, even when fender guard 22 being connected in installation portion 15, because be connected vehicle body 1 side that has improved assembly precision, so also can improve assembly precision around the fender guard 22 in the place ahead of vehicle body 1.Suppose,, also can repair simply even some problem has appearred in fender guard 22 grades.And, because assembling duplicability or nerve are fine, so, do not worry whether operating personal has experience.

Promptly, it is tabular by reinforcement 14 is formed, thereby can have as inside face 14a on the plane and outside face 14b, and, because each parts all is connected on this reinforcement 14, so, vehicle body 1 is constituted with simple structure, thereby not only can more effectively absorb impact energy, but also can improve the assembly precision of vehicle body 1.

Therefore, according to body structure involved in the present invention, it comprises: reinforcement 14, be provided with tabular the extension along the vehicle body fore-and-aft direction, and the rear end is connected in the anterior two ends of car chamber 13 simultaneously; Pillar shell 4 is arranged on the overall width direction inboard of reinforcement 14; And instrument carrier panel 5, be arranged on the rear of the vehicle body fore-and-aft direction of pillar shell 4, wherein, be provided with reinforcement 14 in the overall width direction of pillar shell 4 and instrument carrier panel 5 outside, this reinforcement 14 is formed into A-pillar inboard 8 from the upper end 4c of pillar shell 4 with high rigidity and the connecting portion 19 of pillar shell 4 and instrument carrier panel 5 always, so, though vehicle body 1 is simple in structure, but can improve the rigidity of reinforcement 14 effectively, keep good absorption ability for impact energy, strengthen bus body strength simultaneously.And, because can easily carry out the assembling of vehicle body 1, so can improve the body assembling precision.

And; on reinforcement 14, form along the vehicle body fore-and-aft direction and extend the reinforced rib 18 that is provided with and flange part 16, flange part 17; and make the upper end 4c of pillar shell 4 and the top 19a and the reinforced rib 18 of connecting portion 19 be configured to equal height; thus; by making reinforcement 14 form accordion-like; can easily improve rigidity; thereby the upper end 4c and the connecting portion 19 that reduce the pillar shell 4 with high rigidity retreat to the rear of vehicle body fore-and-aft direction; prevent that instrument carrier panel 5 from invading in car chamber 13, realize protection occupant leg P.

And, by on the outside face 14b of reinforcement 14, installation portion 15 being set, can improve assembly precision on every side such as fender guard 22 equipment parts such as grade, also can repair simply, and can have assembling duplicability or nerve.

And the extension that is connected in A-pillar inboard 8 by the rear end with the inside face 14a of reinforcement 14 is provided with portion 11, thereby can absorb impact energy effectively.

Utilize possibility on the industry

Go in the structure of the head-on crash countermeasure that the vehicle body at vehicle adopts.

Symbol description

1 vehicle body, 2 longerons

3 engine rooms, 4 pillar shells

4a, 4b connecting portion 4c upper end

5 instrument board 5a connecting portions

5b flange part 6 front columns

8 front column inboards, the 7 front columns outside

9,10 flange parts 11 extend the section that arranges

11a inside face 11b outside face

12 flange parts car chambers 13

14 reinforcement 14a inside faces

14b outside face 15 installation portions

16,17 flange parts, 18 reinforced ribs

19 connecting portion 19a tops

20 vehicle frame ASSY, 21 pillar ASSY

22 fender guard P occupant legs

Claims

1. body structure by reinforcement (14) connecting struts shell (4) that extends along the vehicle body fore-and-aft direction and the car chamber front end side wall portion (11) that is positioned at described pillar shell (4) rear, is characterized in that:

Described reinforcement (14) is tabular, and is connected with described pillar shell (4) and described car chamber front end side wall portion (11) on the side within it,

The rear portion of described pillar shell (4) is connected in instrument carrier panel (5),

Described car chamber front end side wall portion (11) is connected in described instrument carrier panel (5) in overall width direction inboard.

2. body structure according to claim 1 is characterized in that:

Described reinforcement is provided with the reinforced rib (18) that extends along the vehicle body fore-and-aft direction.

3. body structure according to claim 2 is characterized in that:

Equal height is arranged in the upper end (4c) of described reinforced rib (18) and pillar shell (4).

4. body structure according to claim 1 is characterized in that:

Upper edge and lower edge portion at described reinforcement are provided with to the outstanding flange part (16,17) in the overall width direction outside.

5. body structure according to claim 1 is characterized in that:

Front end at described reinforcement is provided with and equipment part bonded assembly installation portion (15).

6. body structure according to claim 1 is characterized in that:

The described car chamber front end side wall portion that connects described reinforcement extends the extension that is provided with by inner panel to vehicle body the place ahead of A-pillar portion is set, and the rear end of described reinforcement and A-pillar are opposed on the vehicle fore-and-aft direction.

7. body structure according to claim 1 is characterized in that:

Described reinforcement (14) is also wideer with the width of the connecting bridge of described car chamber front end side wall portion (11) than described reinforcement (14) with the width of the connecting bridge of described pillar shell (4).