CN203581109U - Automobile body front longitudinal beam structure and automobile - Google Patents
Automobile body front longitudinal beam structure and automobile Download PDFInfo
- Publication number
- CN203581109U CN203581109U CN201320632795.9U CN201320632795U CN203581109U CN 203581109 U CN203581109 U CN 203581109U CN 201320632795 U CN201320632795 U CN 201320632795U CN 203581109 U CN203581109 U CN 203581109U
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- longitudinal beam
- longeron
- plate
- vehicle body
- body structure
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Abstract
The utility model provides an automobile body front longitudinal beam structure and an automobile. The problem that as an automobile bends and deforms easily in offset crash, the score of the offset crash is low is solved. The automobile body front longitudinal beam structure comprises a longitudinal beam board, a longitudinal beam inner board and a wheel covering board, wherein a longitudinal beam reinforcing board is welded between the wheel covering board and the longitudinal beam board; the wheel covering board and the front end of the longitudinal beam board are connected in a welding mode and welded to be a closed section. The automobile body front longitudinal beam structure improves the crushing stability under different working situations, crushing is achieved step by step in the direct impact and the offset crash of an automobile body, and higher stability is achieved.
Description
Technical field
The utility model relates to automobile design technical field, particularly relates to a kind of front stringpiece of vehicle body structure and automobile.
Background technology
Longeron is a part for the most difficult assurance in body drawing always, and longeron is owing to carrying driving engine, auxiliary connection vehicle frame, water tank framework, and need to consider dodging of tire envelope place, cause its boundary constraint very complicated.In addition, 2012 editions C-NCAP need to meet 50 kilometer of 100% rigidity and just brush up against 64 kilometer of 40% biasing central collision, also will meet the requirement of conquassation step by step simultaneously, and this certainly will require front side member to have higher crumple stability.Be limited by general layout and cost, under normal circumstances, front side member body is to be highly greater than width, and generally by side rail and outside plate, forms main body, and inner and outer plates is directly welded reinforced support again and formed.This design form can be comparatively complete in 100% rigidity central collision conquassation, but in 40% offset collision, but easily first occur bending and deformation, cause offset collision score on the low side.
Utility model content
The purpose of this utility model is to provide a kind of front stringpiece of vehicle body structure and automobile, in order to solve automobile, in offset collision, easily occurs bending and deformation, and causes offset collision score problem on the low side.
To achieve these goals, the utility model provides a kind of front stringpiece of vehicle body structure, comprise: longeron plate, side rail, Wheelhouse panel, between described Wheelhouse panel and described longeron plate, be welded with longitudinal beam reinforcing plate, and described Wheelhouse panel and described longeron front edge of board are connected by the mode of welding and are welded into a closed cross-section.
Wherein, above-mentioned front stringpiece of vehicle body structure, the mode being connected by two-layer spot welding between described longeron plate top and described side rail and described Wheelhouse panel connects.
Wherein, the mode being connected by three layers of spot welding between described longeron plate bottom and described side rail and described Wheelhouse panel connects.
Wherein, on described longeron plate and described side rail, respectively there are two conquassation grooves.
Wherein, the thickness of described Wheelhouse panel is 1mm, and the thickness of described longeron plate is 1.2mm, and the thickness of described side rail is 1.5mm, and the thickness of described longitudinal beam reinforcing plate is 2mm.
Wherein, described Wheelhouse panel, described side rail and described longitudinal beam reinforcing plate are high tensile steel plate.
Wherein, the yield strength of described high tensile steel plate is not less than 400mpa.
The utility model embodiment also provides a kind of automobile, comprises front stringpiece of vehicle body structure as above.
The utility model embodiment has following beneficial effect:
The front stringpiece of vehicle body structure of the utility model embodiment, Wheelhouse panel and longeron front end are welded into a closed cross-section, significantly promoted the sectional area of longeron, strengthened the stability of the step by step conquassation of longeron under different operating modes, and weld longitudinal beam reinforcing plate between Wheelhouse panel and longeron plate, promoted this place's intensity, avoided bending too early in collision.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that the utility model carries collision box and longeron extends the schematic diagram of version;
Fig. 3 is the Wheelhouse panel of the utility model embodiment and the closed cross-section figure that the welding of longeron front end forms.
Description of reference numerals:
1-Wheelhouse panel, 2-longeron plate, 3-side rail, 4-longeron is strengthened version, 5-conquassation groove, 6-collides box, 7-front stringpiece of vehicle body structure, 8-longeron extension board.
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment and accompanying drawing, be described in detail.
The utility model embodiment solves automobile and easily occurs bending and deformation in offset collision, cause offset collision score problem on the low side, the utility model embodiment provides a kind of front stringpiece of vehicle body structure, as shown in Figure 1, wherein, described front stringpiece of vehicle body structure comprises: longeron plate 2, side rail 3, Wheelhouse panel 1, be welded with longitudinal beam reinforcing plate 4 between Wheelhouse panel 1 and longeron plate 2, and Wheelhouse panel 1 is welded into a closed cross-section with longeron plate 2 front ends, and section drawing as shown in Figure 3.And longeron front edge of board refers to the low order end position of Wheelhouse panel in Fig. 1, side rail and longeron plate herein.The front stringpiece of vehicle body structure of the utility model embodiment has significantly promoted the sectional area of longeron, and strengthened longeron stability of conquassation step by step under different operating modes, tire envelope goes out cross section and narrows, easily cause too early bending, by being welded on brace panel between Wheelhouse panel and longeron plate, promoting this place's intensity and avoid too early bending.
In the utility model embodiment, the mode being connected by two-layer spot welding between longeron plate 2 tops and side rail 3 and Wheelhouse panel 1 connects.
In the utility model embodiment, the mode being connected by three layers of spot welding between longeron plate 2 bottoms and side rail 3 and Wheelhouse panel 1 connects.
In specific embodiment of the utility model, the top of described longeron plate and bottom all refer to top and the bottom of longeron plate under whole vehicle state ground reference system, and by arranging that every 40mm the mode of a solder joint realizes being connected of longeron plate and side rail and Wheelhouse panel.
In the utility model embodiment, on longeron plate 2 and side rail 3, respectively there are two conquassation grooves 5, further guaranteed the stability of conquassation.
In the utility model embodiment, the thickness of Wheelhouse panel 1 is 1mm, and the thickness of longeron plate 2 is 1.2mm, and the thickness of side rail 3 is 1.5mm, and the thickness of longitudinal beam reinforcing plate 4 is 2mm.
In the utility model embodiment, Wheelhouse panel 1 design is unique, in the situation that weight is less, make the main body section of longeron become three layers from two-layer, increased the sectional area of longeron, and Wheelhouse panel 1, side rail 3 and longitudinal beam reinforcing plate 4 are high tensile steel plate, and the yield strength of described high tensile steel plate is not less than 400mpa.In specific embodiment of the utility model, Wheelhouse panel and side rail adopt high tensile steel plate, and longeron plate adopts ordinary low-carbon steel, form from outside to inside strong-weak-strong stiffness relation, have promoted the stability of conquassation under different operating modes.
Fig. 2 is the schematic diagram that the front stringpiece of vehicle body structure 7 of the utility model embodiment is carried collision box 6 and longeron extension board 8, longeron front end is welded on a baffle plate, this baffle plate is connected with collision box 6, side rail 3 leaves mounting hole and is used for carrying engine mounting and local reinforcing mechanism thereof, the lower surface of longeron body leaves mounting hole and is used for suspending before and after auxiliary connection vehicle frame, and front side member rear portion is connected with longeron extension board 8 by spot welding.
The front stringpiece of vehicle body structure of the utility model embodiment, significantly improved the sectional area of longeron, strengthened the stability of the step by step conquassation of longeron under different operating modes, and by weld longitudinal beam reinforcing plate between Wheelhouse panel and longeron plate, promoted this place's intensity, avoid bending too early in collision, make front side member there is higher crumple stability.
The corresponding front stringpiece of vehicle body structure due to the utility model embodiment, be applied to automobile, therefore, the utility model embodiment also provides a kind of automobile, wherein, the described embodiment of realization of above-mentioned front stringpiece of vehicle body structure is all applicable in the embodiment of this automobile, also can reach identical technique effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a front stringpiece of vehicle body structure, comprise: longeron plate, side rail, Wheelhouse panel, it is characterized in that, between described Wheelhouse panel and described longeron plate, be welded with longitudinal beam reinforcing plate, and described Wheelhouse panel and described longeron front edge of board are connected by the mode of welding and are welded into a closed cross-section.
2. front stringpiece of vehicle body structure according to claim 1, is characterized in that, the mode being connected by two-layer spot welding between described longeron plate top and described side rail and described Wheelhouse panel connects.
3. front stringpiece of vehicle body structure according to claim 1, is characterized in that, the mode being connected by three layers of spot welding between described longeron plate bottom and described side rail and described Wheelhouse panel connects.
4. front stringpiece of vehicle body structure according to claim 1, is characterized in that, respectively has two conquassation grooves on described longeron plate and described side rail.
5. front stringpiece of vehicle body structure according to claim 1, is characterized in that, the thickness of described Wheelhouse panel is 1mm, and the thickness of described longeron plate is 1.2mm, and the thickness of described side rail is 1.5mm, and the thickness of described longitudinal beam reinforcing plate is 2mm.
6. front stringpiece of vehicle body structure according to claim 1, is characterized in that, described Wheelhouse panel, described side rail and described longitudinal beam reinforcing plate are high tensile steel plate.
7. front stringpiece of vehicle body structure according to claim 6, is characterized in that, the yield strength of described high tensile steel plate is not less than 400mpa.
8. an automobile, is characterized in that, comprises the front stringpiece of vehicle body structure as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632795.9U CN203581109U (en) | 2013-10-14 | 2013-10-14 | Automobile body front longitudinal beam structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320632795.9U CN203581109U (en) | 2013-10-14 | 2013-10-14 | Automobile body front longitudinal beam structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203581109U true CN203581109U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320632795.9U Expired - Fee Related CN203581109U (en) | 2013-10-14 | 2013-10-14 | Automobile body front longitudinal beam structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203581109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923049A (en) * | 2016-04-25 | 2016-09-07 | 奇瑞汽车股份有限公司 | Vehicle longitudinal beam |
-
2013
- 2013-10-14 CN CN201320632795.9U patent/CN203581109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923049A (en) * | 2016-04-25 | 2016-09-07 | 奇瑞汽车股份有限公司 | Vehicle longitudinal beam |
| CN105923049B (en) * | 2016-04-25 | 2018-05-11 | 奇瑞汽车股份有限公司 | A kind of automobile longitudinal girder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20211014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |