CN115158473B - Side wall structure of passenger car - Google Patents
Side wall structure of passenger car Download PDFInfo
- Publication number
- CN115158473B CN115158473B CN202210908188.4A CN202210908188A CN115158473B CN 115158473 B CN115158473 B CN 115158473B CN 202210908188 A CN202210908188 A CN 202210908188A CN 115158473 B CN115158473 B CN 115158473B
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- cavity
- side wall
- plate
- assembly
- reinforcing
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000002787 reinforcement Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
Abstract
The invention relates to the technical field of automobile parts and discloses a passenger car side wall structure which comprises a top edge beam, a bottom edge beam, a rear side wall assembly, a rear stand column assembly, an A stand column and a B stand column, wherein the top edge beam comprises a side wall outer plate, a first reinforcing component, a second reinforcing component and a third reinforcing component which are fixedly connected are sequentially arranged on the inner side of the side wall outer plate, the first reinforcing component is positioned above the A stand column, the second reinforcing component is positioned above the B stand column, the third reinforcing component is positioned above the rear stand column assembly, a first cavity, a second cavity and a third cavity which are sequentially communicated are respectively arranged in the first reinforcing component, the second reinforcing component and the third reinforcing component, and the cross section profile of the joint of the first cavity and the second cavity is matched with that of the joint of the second cavity and the third cavity. The invention is used for solving the problems that in the prior art, the cross section area difference of the side wall structure is large, and the requirement of the side wall structure with the same cross section cannot be met, so that the CAE performance and the collision performance of the side wall structure are reduced.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a side wall structure of a passenger car.
Background
Bending and torsion in CAE performance are an important index of automobile performance, and when an automobile runs under various comprehensive working conditions, the distortion of a side wall structure is particularly critical to the comfort of the whole automobile and the reliability of all parts mounted on the automobile body. Side collision, jacking and frontal collision in collision performance are all important indexes of automobile collision performance, serious tests are carried out on an A column, a B column, a C column and a D column in automobile use safety guarantee, an important force transmission path and deformation of a side wall structure are important factors for member safety guarantee. Therefore, for the automobile, the side wall CAE performance and the collision performance are important indexes for measuring the automobile, and are also guarantees for the comfort and the safety of the automobile.
Along with the development of industry on the light weight and high performance of automobiles, particularly the exploration of new energy automobiles, the research on the transmission path shows that the constant-section side wall structure can effectively meet CAE performance and collision performance; however, the cross-sectional area difference of the side wall structure in the prior art is large, and the requirement of the side wall structure with the same cross section cannot be met, so that the CAE performance and the collision performance of the side wall structure are reduced.
Disclosure of Invention
In view of the above, the invention aims to provide a side wall structure of a passenger car, which solves the problems that in the prior art, the cross sectional area difference of the side wall structure is large, the requirement of the side wall structure with a uniform section cannot be met, and the CAE performance and the collision performance of the side wall structure are reduced.
The invention solves the technical problems by the following technical means:
the utility model provides a passenger car side wall structure, includes roof beam, base roof beam, back side wall assembly, rear pillar assembly, A stand and B stand, the roof beam includes the side wall planking, the inboard of side wall planking has set gradually fixed connection's first enhancement subassembly, second enhancement subassembly and third enhancement subassembly, first enhancement subassembly is located A stand top, second enhancement subassembly is located B stand top, third enhancement subassembly is located rear pillar assembly top, be provided with first cavity, second cavity and third cavity in first enhancement subassembly, second enhancement subassembly and the third enhancement subassembly respectively, first cavity, second cavity and third cavity communicate in proper order, first cavity and second cavity junction cross section profile phase-match, second cavity and third cavity junction cross section profile phase-match. The first cavity, the second cavity and the third cavity which are sequentially communicated are arranged, so that the upper area of the side wall structure is communicated, and the accuracy of the cross section of the cavity is easier to improve through the three cavities which are arranged in a split mode, so that the outline dimension of the cross section of each position is kept consistent to the greatest extent, and the stress transmission is carried out during side collision, jacking and front collision working conditions; and the CAE performance and the collision performance of the side wall structure are ensured.
Further, the area ratio of the cross sections of the first cavity, the second cavity and the third cavity is 1: (0.9-1.1): (0.9-1.1).
Further, first reinforcing component includes first inner panel and first reinforcing plate, first reinforcing plate and side wall planking fixed connection form first cavity through first inner panel and first reinforcing plate fixed connection, through the shape of adjusting first inner panel and first reinforcing plate, be convenient for finely tune the cross-section of first cavity to guarantee to realize the equicross-section effect in the maximum extent.
Further, the first reinforcing component further comprises a top cover front cross beam connecting piece, the top cover front cross beam connecting piece is fixedly connected with a top cover front cross beam assembly, a first transverse force transmission cavity is formed between the top cover front cross beam connecting piece and the top cover front cross beam assembly, and CAE performance and collision performance of the side wall structure in the lateral direction can be enhanced through the first transverse force transmission cavity. The first inner plate is fixedly connected with the A stand column, and the first cavity is communicated with the inside of the A stand column to form a first longitudinal force transmission cavity. And through the first longitudinal force transmission cavity, CAE performance and collision performance of the top of the column A of the side wall structure are improved.
Further, the second reinforcing component comprises a second inner plate and a second reinforcing plate, the second reinforcing plate is fixedly connected with the side wall outer plate, the second cavity is formed by fixedly connecting the second inner plate with the second reinforcing plate, and the second cavity is communicated with the first cavity. The shapes of the second inner plate and the second reinforcing plate are adjusted, so that the section of the second cavity is convenient to finely adjust, and the equal section effect is guaranteed to the greatest extent.
Further, second inner panel and B stand fixed connection, second cavity and the inside intercommunication of B stand form the vertical power cavity of second, guarantee CAE performance and the collidiness at side wall structure B stand department top.
Further, a first extension part is arranged on one side, close to the second reinforcing component, of the first reinforcing plate, a second extension part is arranged on one side, close to the first reinforcing component, of the second inner plate, and the first extension part is fixedly connected with the second extension part, so that the first reinforcing component is fixedly connected with the second reinforcing component. A fourth cavity is arranged between the first extension part and the second extension part, and the second cavity is communicated with the first cavity through the fourth cavity, so that the first cavity is communicated with the second cavity.
Further, the third reinforcing component comprises a third inner plate and a third reinforcing plate, the third reinforcing plate is fixedly connected with the side wall outer plate, the third cavity is formed by fixedly connecting the third inner plate with the third reinforcing plate, the third cavity is communicated with the second cavity, and the cross section of the third cavity is convenient to be finely adjusted by adjusting the shapes of the third inner plate and the third reinforcing plate so as to ensure that the equal cross section effect is realized to the greatest extent.
Further, the third reinforcing component further comprises a top cover rear cross beam supporting plate, the top cover rear cross beam supporting plate is fixedly connected with a top cover rear cross beam assembly, and a second transverse force transmission cavity is formed between the top cover rear cross beam supporting plate and the top cover rear cross beam assembly. By arranging the two transverse force transmission cavities, CAE performance and collision performance of the side wall structure in the lateral direction are further enhanced.
Further, the third cavity is communicated with the inside of the rear side wall assembly to form a third longitudinal force transmission cavity, and the third cavity is communicated with the inside of the rear upright post assembly to form a fourth longitudinal force transmission cavity. And by arranging the third longitudinal force transmission cavity and the fourth longitudinal force transmission cavity, CAE performance and collision performance of the rear side wall assembly and the upright post assembly are effectively ensured.
The invention has the beneficial effects that:
according to the invention, the first reinforcing component, the second reinforcing component and the third reinforcing component are arranged, and the first cavity, the second cavity and the third cavity in the first reinforcing component, the second cavity and the third cavity are sequentially communicated, so that the upper area of the side wall structure is communicated, and the accuracy of the cross section of the cavity is easier to improve through the three cavities which are arranged in a split mode, so that the cross section outline dimension of each position is kept consistent to the greatest extent, and the stress transmission is effectively ensured during side collision, top pressure and front collision working conditions; and the CAE performance and the collision performance of the side wall structure are ensured.
Drawings
FIG. 1 is a schematic view of a side wall structure of a passenger vehicle according to the present invention;
FIG. 2 is a schematic view of a split structure of a side wall structure of a passenger car according to the present invention;
FIG. 3 is a schematic view of a first reinforcement assembly of a side wall structure of a passenger vehicle according to the present invention;
FIG. 4 is a schematic view of a second reinforcement assembly of a side wall structure of a passenger vehicle according to the present invention;
FIG. 5 is a schematic view of a third reinforcement assembly in a side wall structure of a passenger vehicle according to the present invention;
FIG. 6 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 7 is a schematic cross-sectional view of B-B in FIG. 1;
FIG. 8 is a schematic cross-sectional view of the structure C-C of FIG. 1;
FIG. 9 is a schematic cross-sectional view of D-D in FIG. 1;
the first reinforcement assembly 1, the top cover front beam connecting piece 11, the first inner plate 12, the first reinforcement plate 13, the second reinforcement assembly 2, the second inner plate 21, the second reinforcement plate 22, the third reinforcement assembly 3, the third reinforcement plate 31, the top cover rear beam supporting plate 32, the third inner plate 33, the rear pillar assembly 4, the rear side wall assembly 5, the top cover rear beam assembly 6, the B pillar 7, the top cover front beam assembly 8, the A pillar 9 and the side wall outer plate 10.
Detailed Description
The following embodiments of the present invention are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present invention from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration, and should not be construed as limiting the present invention, and that the specific meanings used above may be understood by those of ordinary skill in the art according to circumstances.
As shown in fig. 1-9, the passenger car side wall structure comprises a roof side rail, a bottom side rail, a rear upright post assembly 4, a rear side wall assembly 5, a B upright post 7 and an A upright post 9, wherein the roof side rail, the bottom side rail, the rear side wall assembly 5, the rear upright post assembly 4, the A upright post 9 and the B upright post 7 are welded to form the side wall structure, the roof side rail comprises a side wall outer plate 10, and a first reinforcing component 1, a second reinforcing component 2 and a third reinforcing component 3 which are fixedly connected are sequentially arranged on the inner side of the side wall outer plate 10.
The first reinforcement assembly 1 is located above the A upright 9, the first reinforcement assembly 1 comprises a first inner plate 12 and a first reinforcement plate 13, the first reinforcement plate 13 is welded with the side wall outer plate 10, and the first inner plate 12 and the first reinforcement plate 13 are welded to form a first cavity. The first reinforcing component 1 further comprises a top cover front beam connecting piece 11, the top cover front beam connecting piece 11 is welded with a top cover front beam assembly 8, a first transverse force transmission cavity is formed between the top cover front beam connecting piece 11 and the top cover front beam assembly 8, and transverse CAE performance and collision performance of the side wall structure are improved. The first inner plate 12 is welded with the A upright post 9, and the first cavity is communicated with the inside of the A upright post 9 to form a first longitudinal force transmission cavity. And the CAE performance and the collision performance of the top part of the side wall structure A upright post 9 are improved.
The second reinforcing component 2 is located above the B upright post 7, the second reinforcing component 2 comprises a second inner plate 21 and a second reinforcing plate 22, the second reinforcing plate 22 is welded with the side wall outer plate 10, the second inner plate 21 and the second reinforcing plate 22 are welded to form a second cavity, and the second cavity is communicated with the first cavity. The first reinforcing plate 13 is provided with a first extension portion on a side close to the second reinforcing assembly 2, the second inner plate 21 is provided with a second extension portion on a side close to the first reinforcing assembly 1, and the first extension portion is welded with the second extension portion. A fourth cavity is arranged between the first extension part and the second extension part, and the cross section outline of the fourth cavity is matched with the cross section outline of the first cavity and the cross section outline of the second cavity. The second cavity is communicated with the first cavity through the fourth cavity. The second inner plate 21 is welded with the B upright post 7, and the second cavity is communicated with the inside of the B upright post 7 to form a second longitudinal force transmission cavity. And the CAE performance and the collision performance of the top part of the side wall structure B upright post 7 are ensured.
The third reinforcing component 3 is located above the rear pillar assembly 4, the third reinforcing component 3 comprises a third inner plate 33 and a third reinforcing plate 31, the third reinforcing plate 31 is welded with the side wall outer plate 10, the third inner plate 33 and the third reinforcing plate 31 are welded to form a third cavity, and the third cavity is communicated with the second cavity.
The third reinforcing component 3 further comprises a top cover rear cross beam supporting plate 32, the top cover rear cross beam supporting plate 32 is welded with a top cover rear cross beam assembly 6, a second transverse force transmission cavity is formed between the top cover rear cross beam supporting plate 32 and the top cover rear cross beam assembly 6, and CAE performance and collision performance of the side wall structure in the lateral direction are enhanced.
The third cavity is communicated with the inside of the rear side wall assembly 5 to form a third longitudinal force transmission cavity, and the third cavity is communicated with the inside of the rear upright post assembly 4 to form a fourth longitudinal force transmission cavity, so that CAE performance and collision performance of the rear side wall assembly 5 and the upright post assembly are effectively guaranteed.
In this embodiment, the cross-sectional profile of the junction between the first cavity and the second cavity is matched, and the cross-sectional profile of the junction between the second cavity and the third cavity is matched, see fig. 6-9. The cross section of the first cavity, the second cavity and the third cavity are similar in shape. The area ratio of the cross sections of the first cavity, the second cavity and the third cavity is 1: (0.9-1.1): (0.9 to 1.1), in this embodiment, the area ratio of the cross sections of the first cavity, the second cavity and the third cavity is preferably 1:1:1.
according to the invention, the first reinforcing component 1, the second reinforcing component 2 and the third reinforcing component 3, as well as the first cavity, the second cavity and the third cavity which are sequentially communicated with each other in the first reinforcing component, the second reinforcing component and the third reinforcing component are arranged, so that the upper area of the side wall structure is communicated, and the accuracy of the cross section of the cavity is easier to improve through the three cavities which are arranged in a split mode, so that the cross section outline dimensions of all positions are kept consistent to the greatest extent, and the forced transmission is effectively ensured during side collision, top pressing and front collision working conditions; and the CAE performance and the collision performance of the side wall structure are ensured.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention. The technology, shape, and construction parts of the present invention, which are not described in detail, are known in the art.
Claims (7)
1. The utility model provides a passenger car side wall structure, includes roof side rail, base roof beam, back side wall assembly, rear pillar assembly, A stand and B stand, its characterized in that: the roof side rail includes the side wall planking, the inboard of side wall planking has set gradually fixed connection's first enhancement subassembly, second enhancement subassembly and third enhancement subassembly, first enhancement subassembly is located A stand top, the second enhancement subassembly is located B stand top, the third enhancement subassembly is located rear pillar assembly top, be provided with first cavity, second cavity and third cavity in first enhancement subassembly, the second enhancement subassembly and the third enhancement subassembly respectively, first cavity, second cavity and third cavity communicate in proper order, first cavity and second cavity junction cross section profile phase-match, second cavity and third cavity junction cross section profile phase-match;
the first reinforcing component comprises a first inner plate and a first reinforcing plate, the first reinforcing plate is fixedly connected with the side wall outer plate, and the first cavity is formed by fixedly connecting the first inner plate with the first reinforcing plate;
the second reinforcing component comprises a second inner plate and a second reinforcing plate, the second reinforcing plate is fixedly connected with the side wall outer plate, the second cavity is formed by fixedly connecting the second inner plate with the second reinforcing plate, and the second cavity is communicated with the first cavity;
the third reinforcing component comprises a third inner plate and a third reinforcing plate, the third reinforcing plate is fixedly connected with the side wall outer plate, the third cavity is formed by fixedly connecting the third inner plate with the third reinforcing plate, and the third cavity is communicated with the second cavity.
2. The passenger car side wall structure of claim 1, wherein: the area ratio of the cross sections of the first cavity, the second cavity and the third cavity is 1: (0.9-1.1): (0.9-1.1).
3. The passenger car side wall structure of claim 1, wherein: the first reinforcing component further comprises a top cover front beam connecting piece, the top cover front beam connecting piece is fixedly connected with a top cover front beam assembly, a first transverse force transmission cavity is formed between the top cover front beam connecting piece and the top cover front beam assembly, the first inner plate is fixedly connected with the A stand column, and the first cavity is communicated with the inside of the A stand column to form a first longitudinal force transmission cavity.
4. The passenger car side wall structure of claim 1, wherein: the second inner plate is fixedly connected with the B upright post, and the second cavity is communicated with the inside of the B upright post to form a second longitudinal force transmission cavity.
5. The passenger car side wall structure of claim 1, wherein: the first reinforcing plate is provided with a first extension portion on one side close to the second reinforcing assembly, a second extension portion is arranged on one side of the second inner plate close to the first reinforcing assembly, the first extension portion is fixedly connected with the second extension portion, a fourth cavity is arranged between the first extension portion and the second extension portion, and the second cavity is communicated with the first cavity through the fourth cavity.
6. The passenger car side wall structure of claim 1, wherein: the third reinforcing component further comprises a top cover rear cross beam supporting plate, the top cover rear cross beam supporting plate is fixedly connected with a top cover rear cross beam assembly, and a second transverse force transmission cavity is formed between the top cover rear cross beam supporting plate and the top cover rear cross beam assembly.
7. The passenger car side wall structure of claim 1, wherein: the third cavity is communicated with the inside of the rear side wall assembly to form a third longitudinal force transmission cavity, and the third cavity is communicated with the inside of the rear upright post assembly to form a fourth longitudinal force transmission cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210908188.4A CN115158473B (en) | 2022-07-29 | 2022-07-29 | Side wall structure of passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210908188.4A CN115158473B (en) | 2022-07-29 | 2022-07-29 | Side wall structure of passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115158473A CN115158473A (en) | 2022-10-11 |
| CN115158473B true CN115158473B (en) | 2023-10-27 |
Family
ID=83477282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210908188.4A Active CN115158473B (en) | 2022-07-29 | 2022-07-29 | Side wall structure of passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115158473B (en) |
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| CN209336832U (en) * | 2018-12-11 | 2019-09-03 | 北京新能源汽车股份有限公司 | Side wall component and vehicle with it |
| CN209553317U (en) * | 2018-12-14 | 2019-10-29 | 威马汽车科技集团有限公司 | Column reinforcement plate assembly and side wall rear portion inner panel assembly after automobile and its side wall |
| CN112660244A (en) * | 2021-01-12 | 2021-04-16 | 浙江吉利控股集团有限公司 | Offset collision-prevention vehicle body structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3830401B2 (en) * | 2001-06-04 | 2006-10-04 | 株式会社丸順 | Structure around the vehicle door opening |
| JP4033658B2 (en) * | 2001-10-10 | 2008-01-16 | アスカ株式会社 | Body structure |
| KR101448758B1 (en) * | 2012-12-10 | 2014-10-13 | 현대자동차 주식회사 | Roof side rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101808881A (en) * | 2007-10-01 | 2010-08-18 | 大众汽车有限公司 | Method for producing a largely flat component assembly and largely flat component assembly produced using said method |
| JP2011255744A (en) * | 2010-06-07 | 2011-12-22 | Suzuki Motor Corp | Side upper structure of vehicle |
| CN106585728A (en) * | 2016-12-30 | 2017-04-26 | 上汽通用五菱汽车股份有限公司 | Top beam structure at automobile pillar B connector |
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| CN206914441U (en) * | 2017-07-10 | 2018-01-23 | 武汉理工大学 | A kind of I-shaped automobile front side encloses reinforcement structure and automobile |
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| CN112660244A (en) * | 2021-01-12 | 2021-04-16 | 浙江吉利控股集团有限公司 | Offset collision-prevention vehicle body structure |
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| Publication number | Publication date |
|---|---|
| CN115158473A (en) | 2022-10-11 |
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