CN112373574A - Car B post upper portion overlap joint structure and car - Google Patents
Car B post upper portion overlap joint structure and car Download PDFInfo
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- CN112373574A CN112373574A CN202011337144.8A CN202011337144A CN112373574A CN 112373574 A CN112373574 A CN 112373574A CN 202011337144 A CN202011337144 A CN 202011337144A CN 112373574 A CN112373574 A CN 112373574A
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 101
- 238000003466 welding Methods 0.000 claims description 31
- 230000002787 reinforcement Effects 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000001953 sensory effect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides an automobile B-pillar upper part lap joint structure and an automobile, wherein the lap joint structure comprises a B-pillar reinforcing plate and an A-pillar upper reinforcing plate, a protruding part is formed on one side of the B-pillar reinforcing plate in a protruding mode, and the A-pillar upper reinforcing plate is of a flat plate structure; the upper reinforcing plate of the column A covers the concave opening surface at the other side of the whole reinforcing plate of the column B to form a closed annular structure; the upper reinforcing plate of the column A is welded and fixed with the reinforcing plate of the column B; according to the scheme provided by the invention, a force transmission path for vehicle collision is smoother, the bending risk of the A column is avoided, the connection is enhanced, the torsional rigidity of a body in white is obviously improved, the abnormal sound risk is eliminated, and the safety quality and the sensory quality of the vehicle are synchronously improved.
Description
Technical Field
The invention belongs to the technical field of automobile B-pillar connection, and particularly relates to an automobile B-pillar upper part lap joint structure and an automobile.
Background
The upper part of a traditional automobile B column is in a lap joint structure, or an inner plate of the B column is provided with a notch for avoiding, or an upper reinforcing plate of the A column is in a break structure, the structure influences collision force transmission, and the A column is bent under severe conditions; meanwhile, due to insufficient connection, the torsional rigidity of the automobile body is low, and even abnormal sound of the automobile body is caused. With the increasing requirements of customers on the safety quality and the sensory quality of the automobile, the connection rigidity of the lap joint structure on the upper part of the B column needs to be effectively enhanced and improved.
Based on the technical problems in the lap joint structure of the upper part of the automobile B column, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide an automobile B-pillar upper part overlapping structure and an automobile aiming at overcoming the defects in the prior art and solving the problem of insufficient connection rigidity of the existing automobile B-pillar upper part overlapping structure.
The invention provides an automobile B-pillar upper lapping structure which comprises a B-pillar reinforcing plate and an A-pillar upper reinforcing plate, wherein a protruding part is formed on one side of the B-pillar reinforcing plate in a protruding mode, and the A-pillar upper reinforcing plate is of a flat plate structure; the upper reinforcing plate of the column A covers the concave opening surface at the other side of the whole reinforcing plate of the column B to form a closed annular structure; the upper reinforcing plate of the column A is welded and fixed with the reinforcing plate of the column B.
Furthermore, the lap joint structure also comprises a side wall outer plate, and a protruding part is formed on one side of the side wall outer plate in a protruding manner; the side wall outer plate covers one side of the convex part of the B-pillar reinforcing plate, and the convex part of the side wall outer plate covers the convex part of the B-pillar reinforcing plate; and the side wall outer plate and the B column reinforcing plate are welded and fixed.
Furthermore, two ends of the protruding part of the side wall outer plate are respectively welded and fixed with the upper reinforcing plate of the A column, so that the B column reinforcing plate is clamped between the side wall outer plate and the upper reinforcing plate of the A column.
Furthermore, the lap joint structure also comprises a boundary beam inner plate; the inner plate of the boundary beam is provided with a bulge; the edge beam inner plate is attached to one side, away from the B-column reinforcing plate, of the upper reinforcing plate of the A-column, and the bulge of the inner plate of the B-column is away from the bulge of the B-column reinforcing plate; and the boundary beam inner plate is welded and fixed with the upper reinforcing plate of the A column.
Furthermore, the lap joint structure also comprises a B column inner plate; the B column inner plate is provided with a bulge; attaching the B column inner plate to one side, which is far away from the A column upper reinforcing plate, of the boundary beam inner plate, and attaching the bulge of the B column inner plate to the bulge of the boundary beam inner plate; the B column inner plate is provided with a bulge which is matched with the contour of the bulge of the boundary beam inner plate.
Furthermore, the convex part of the B column inner plate is attached to the convex part of the edge beam inner plate to form a step surface, and the step surfaces are fixedly connected through double rows of spot welding.
Further, the inner plate of the boundary beam is connected with the upper reinforcing plate of the A column through plug welding; the welding spots between the inner plate of the boundary beam and the upper reinforcing plate of the column A and the welding spots between the reinforcing plates of the columns B and A are distributed in a staggered manner.
Furthermore, the side wall outer plate, the B column reinforcing plate and the A column upper reinforcing plate are connected through spot welding.
Furthermore, spot welding between the side wall outer plate, the B column reinforcing plate, the A column upper reinforcing plate, the B column inner plate and the side beam inner plate is distributed in a staggered manner; firstly spot welding the B column reinforcing plate and the A column upper reinforcing plate, then spot welding the side wall outer plate and the B column reinforcing plate and the A column upper reinforcing plate, and finally plug welding the boundary beam inner plate and the A column upper reinforcing plate.
Correspondingly, the invention further provides an automobile which comprises the automobile B-pillar upper lapping structure.
According to the scheme provided by the invention, a force transmission path for vehicle collision is smoother, the bending risk of the A column is avoided, the connection is enhanced, the torsional rigidity of a body in white is obviously improved, the abnormal sound risk is eliminated, and the safety quality and the sensory quality of the vehicle are synchronously improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic cross-sectional view of an upper overlapping structure of a B-pillar of an automobile according to the present invention.
In the figure: 1. a side outer plate; 2. a B-pillar reinforcement plate; 3. an upper column reinforcing plate; 4. b column inner plates; 5. a side sill inner panel; 6. a step surface; 7. and double-row spot welding.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the invention provides an automobile B-pillar upper lap joint structure, which specifically comprises a B-pillar reinforcing plate 2 and an a-pillar upper reinforcing plate 3; wherein, a bulge is formed on one side of the B-pillar reinforcing plate 2 in a protruding way, and the A-pillar upper reinforcing plate 3 is of a flat plate structure; in the connection structure of the B-column reinforcing plate 2 and the A-column upper reinforcing plate 3, the A-column upper reinforcing plate 3 covers the concave opening surface on the other side of the whole B-column reinforcing plate 2 to form a closed annular structure; specifically, the upper reinforcing plate 3 of the column A penetrates through the reinforcing plate 2 of the column B, so that all parts have no gaps, and the force transmission path is effectively ensured to be smooth in the automobile collision process; the upper reinforcing plate 3 of the column A is welded and fixed with the reinforcing plate 2 of the column B; the invention provides an automobile B-pillar upper lapping structure, which effectively enhances and improves the connection rigidity of the B-pillar upper lapping structure, improves the torsional rigidity of an automobile body, improves an automobile body-in-white collision force transmission path, and meets the requirements of customers on the safety quality and the sensory quality of an automobile.
Preferably, with the above solution combined, as shown in fig. 1, the upper lap joint structure of the B pillar of the automobile further includes a side wall outer panel 1, and a protruding portion is formed at one side of the side wall outer panel 1 in a protruding manner; specifically, the side wall outer plate 1 covers one side of the convex part of the B-pillar reinforcing plate 2, and the convex part of the side wall outer plate 1 covers the convex part of the B-pillar reinforcing plate 2; specifically, the side wall outer plate 1 and the B-pillar reinforcing plate 2 are welded and fixed.
Preferably, with the above scheme, as shown in fig. 1, two ends of the protruding portion of the side wall outer panel 1 are respectively welded and fixed with the pillar a upper reinforcing plate 3, so that the pillar B reinforcing plate 2 is clamped between the side wall outer panel 1 and the pillar a upper reinforcing plate 3, and the welding points among the side wall outer panel 1, the pillar B reinforcing plate 2 and the pillar a upper reinforcing plate 3 are staggered, so that the structural stability is improved, and the abnormal sound risk is avoided.
Preferably, in combination with the above solution, as shown in fig. 1, the present invention provides an automobile B-pillar upper lap joint structure further including a side sill inner panel 5; the inner plate 5 of the boundary beam is provided with a bulge; the boundary beam inner plate 5 is attached to one side, away from the B-column reinforcing plate 2, of the A-column upper reinforcing plate 3, and the bulge of the B-column inner plate 4 is away from the bulge of the B-column reinforcing plate 2; and the boundary beam inner plate 5 and the A-pillar upper reinforcing plate 3 are welded and fixed, so that a structure for connecting the boundary beam inner plate 5 and the A-pillar upper reinforcing plate 3 is formed.
Preferably, in combination with the above solution, as shown in fig. 1, the present invention provides an automobile B-pillar upper lap joint structure further including a B-pillar inner panel 4; the B-pillar inner plate 4 is provided with a bulge; attaching the B-column inner plate 4 to one side, away from the A-column upper reinforcing plate 3, of the boundary beam inner plate 5, and attaching the bulge of the B-column inner plate 4 to the bulge of the boundary beam inner plate 5; the B column inner plate 4 is provided with a bulge which is matched with the contour of the bulge of the boundary beam inner plate 5, so that the structural stability is improved.
Preferably, in combination with the above scheme, as shown in fig. 1, the bulge of the B-pillar inner panel 4 is attached to the bulge of the rocker inner panel 5 to form a step surface 6, and the step surfaces 6 are fixedly connected through a double-row spot welding 7; the rigidity of the connecting structure can be effectively improved through double-row spot welding of the stepped surfaces of the B-pillar inner plate and the edge beam inner plate; namely, the double rows of spot welding 7 for attaching the step surfaces 6 between the B-pillar inner plate 4 and the side beam inner plate 5 can improve the connection rigidity.
Preferably, in combination with the above scheme, as shown in fig. 1, the inner side sill plate 5 and the upper a-pillar reinforcement plate 3 are plug welded; welding spots 8 between the inner plate 5 of the boundary beam and the upper reinforcing plate 3 of the A column and welding spots 10 between the reinforcing plates 2 of the B column and the upper reinforcing plate 3 of the A column are distributed in a staggered mode, so that the connection rigidity is effectively improved, and the abnormal sound risk is avoided.
Preferably, with the adoption of the scheme, as shown in fig. 1, the side wall outer plate 1, the B-pillar reinforcing plate 2 and the A-pillar upper reinforcing plate 3 are connected through spot welding, and welding spots are distributed in a staggered manner, so that the connection rigidity is effectively improved, and the abnormal sound risk is avoided.
Preferably, in combination with the above scheme, as shown in fig. 1, spot welding between the side wall outer panel 1, the B-pillar reinforcement panel 2, the a-pillar upper reinforcement panel 3, the B-pillar inner panel 4 and the side sill inner panel 5 is distributed in a staggered manner; firstly spot-welding a B-pillar reinforcing plate 2 and an A-pillar upper reinforcing plate 3, then spot-welding a side wall outer plate 1 and the B-pillar reinforcing plate 2 and the A-pillar upper reinforcing plate 3, and finally plug-welding a boundary beam inner plate 5 and the A-pillar upper reinforcing plate 3; through the sequential staggered arrangement of the welding spots, the connection can effectively improve the connection rigidity, effectively improve the connection rigidity and avoid abnormal sound risks.
Correspondingly, in combination with the above scheme, as shown in fig. 1, the invention further provides an automobile, which comprises an automobile B-pillar upper lapping structure, wherein the automobile B-pillar upper lapping structure is the automobile B-pillar upper lapping structure.
According to the scheme provided by the invention, a force transmission path for vehicle collision is smoother, the bending risk of the A column is avoided, the connection is enhanced, the torsional rigidity of a body in white is obviously improved, the abnormal sound risk is eliminated, and the safety quality and the sensory quality of the vehicle are synchronously improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. The automobile B-pillar upper lapping structure is characterized by comprising a B-pillar reinforcing plate (2) and an A-pillar upper reinforcing plate (3), wherein a protruding part is formed on one side of the B-pillar reinforcing plate (2) in a protruding mode, and the A-pillar upper reinforcing plate (3) is of a flat plate structure; the column A upper reinforcing plate (3) covers the concave opening surface on the other side of the whole column B reinforcing plate (2) to form a closed annular structure; the column A upper reinforcing plate (3) is also welded and fixed with the column B reinforcing plate (2).
2. The automobile B-pillar upper lap joint structure according to claim 1, characterized in that said lap joint structure further comprises a side wall outer panel (1), one side of said side wall outer panel (1) is convexly formed with a convex portion; the side wall outer plate (1) covers one side of the protruding part of the B-column reinforcing plate (2), and the protruding part of the side wall outer plate (1) covers the protruding part of the B-column reinforcing plate (2); the side wall outer plate (1) and the B column reinforcing plate (2) are welded and fixed.
3. The automobile B-pillar upper lap joint structure according to claim 2, wherein both ends of the bulge of the side wall outer panel (1) are respectively welded and fixed with the A-pillar upper reinforcement panel (3), so that the B-pillar reinforcement panel (2) is sandwiched between the side wall outer panel (1) and the A-pillar upper reinforcement panel (3).
4. The automobile B-pillar upper lap joint structure according to claim 2, characterized in that said lap joint structure further includes a side sill inner panel (5); the side beam inner plate (5) is provided with a bulge; the side beam inner plate (5) is attached to one side, away from the B-column reinforcing plate (2), of the A-column upper reinforcing plate (3), and the bulge of the B-column inner plate (4) is away from the bulge of the B-column reinforcing plate (2); and the boundary beam inner plate (5) is welded and fixed with the A column upper reinforcing plate (3).
5. The automobile B-pillar upper lap joint structure according to claim 4, characterized in that said lap joint structure further includes a B-pillar inner panel (4); the B-pillar inner plate (4) is provided with a convex part; the B-column inner plate (4) is attached to one side, away from the A-column upper reinforcing plate (3), of the boundary beam inner plate (5), and the bulge of the B-column inner plate (4) is attached to the bulge of the boundary beam inner plate (5); the B-pillar inner plate (4) is provided with a bulge which is matched with the contour of the bulge of the boundary beam inner plate (5).
6. The automobile B-pillar upper lap joint structure according to claim 5, characterized in that the bulge of said B-pillar inner panel (4) is fitted with the bulge of said rocker inner panel (5) to form a step surface (6), and said step surfaces (6) are fixedly connected by a double row of spot welding (7).
7. The automobile B-pillar upper lap joint structure according to claim 4, wherein said inner rocker panel (5) and said A-pillar upper gusset panel (3) are plug-welded; and welding spots (8) between the edge beam inner plate (5) and the upper reinforcing plate (3) of the A column and welding spots (10) between the reinforcing plate (2) of the B column and the upper reinforcing plate (3) of the A column are distributed in a staggered manner.
8. The automobile B-pillar upper lap joint structure according to claim 2, wherein the quarter outer panel (1), the B-pillar reinforcement panel (2), and the A-pillar upper reinforcement panel (3) are connected by spot welding.
9. The automobile B-pillar overlap joint structure according to claim 5, wherein spot welding between the side outer panel (1), the B-pillar reinforcement panel (2), the A-pillar upper reinforcement panel (3), the B-pillar inner panel (4), and the side sill inner panel (5) is staggered; firstly, spot welding is carried out on the B column reinforcing plate (2) and the A column upper reinforcing plate (3), then spot welding is carried out on the side wall outer plate (1), the B column reinforcing plate (2) and the A column upper reinforcing plate (3), and finally plug welding is carried out on the boundary beam inner plate (5) and the A column upper reinforcing plate (3).
10. An automobile comprising an automobile B-pillar upper lap joint structure, characterized in that the automobile B-pillar upper lap joint structure is the automobile B-pillar upper lap joint structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337144.8A CN112373574A (en) | 2020-11-25 | 2020-11-25 | Car B post upper portion overlap joint structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337144.8A CN112373574A (en) | 2020-11-25 | 2020-11-25 | Car B post upper portion overlap joint structure and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112373574A true CN112373574A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337144.8A Pending CN112373574A (en) | 2020-11-25 | 2020-11-25 | Car B post upper portion overlap joint structure and car |
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| Country | Link |
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| CN (1) | CN112373574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593521A (en) * | 2022-09-06 | 2023-01-13 | 北京汽车集团越野车有限公司（Cn） | Vehicle body structure and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046070A (en) * | 2007-08-22 | 2009-03-05 | Toyota Motor Corp | Pillar structure |
| CN203581121U (en) * | 2013-08-26 | 2014-05-07 | 奇瑞汽车股份有限公司 | Automobile body B-pillar inner plate connection structure |
| DE102015106812A1 (en) * | 2015-04-30 | 2016-11-03 | Benteler Automobiltechnik Gmbh | Motor vehicle pillar with reinforcement plate and method for its production |
| CN106347474A (en) * | 2016-11-25 | 2017-01-25 | 上汽通用五菱汽车股份有限公司 | B column upper joint structure configured for skylight |
| CN106828608A (en) * | 2016-12-30 | 2017-06-13 | 上汽通用五菱汽车股份有限公司 | A kind of B posts top connection structure |
| CN209719731U (en) * | 2018-12-29 | 2019-12-03 | 奇瑞汽车股份有限公司 | A kind of automobile B-column top bridging arrangement |
| CN110816671A (en) * | 2019-11-08 | 2020-02-21 | 东风柳州汽车有限公司 | B-pillar upper joint |
| CN210852648U (en) * | 2019-06-21 | 2020-06-26 | 广州汽车集团股份有限公司 | A B-pillar reinforcement and B-pillar reinforcement structure |
-
2020
- 2020-11-25 CN CN202011337144.8A patent/CN112373574A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046070A (en) * | 2007-08-22 | 2009-03-05 | Toyota Motor Corp | Pillar structure |
| CN203581121U (en) * | 2013-08-26 | 2014-05-07 | 奇瑞汽车股份有限公司 | Automobile body B-pillar inner plate connection structure |
| DE102015106812A1 (en) * | 2015-04-30 | 2016-11-03 | Benteler Automobiltechnik Gmbh | Motor vehicle pillar with reinforcement plate and method for its production |
| CN106347474A (en) * | 2016-11-25 | 2017-01-25 | 上汽通用五菱汽车股份有限公司 | B column upper joint structure configured for skylight |
| CN106828608A (en) * | 2016-12-30 | 2017-06-13 | 上汽通用五菱汽车股份有限公司 | A kind of B posts top connection structure |
| CN209719731U (en) * | 2018-12-29 | 2019-12-03 | 奇瑞汽车股份有限公司 | A kind of automobile B-column top bridging arrangement |
| CN210852648U (en) * | 2019-06-21 | 2020-06-26 | 广州汽车集团股份有限公司 | A B-pillar reinforcement and B-pillar reinforcement structure |
| CN110816671A (en) * | 2019-11-08 | 2020-02-21 | 东风柳州汽车有限公司 | B-pillar upper joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593521A (en) * | 2022-09-06 | 2023-01-13 | 北京汽车集团越野车有限公司（Cn） | Vehicle body structure and vehicle |
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Application publication date: 20210219 |
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