CN212195652U - Car B post additional strengthening and car - Google Patents
Car B post additional strengthening and car Download PDFInfo
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- CN212195652U CN212195652U CN202020987095.1U CN202020987095U CN212195652U CN 212195652 U CN212195652 U CN 212195652U CN 202020987095 U CN202020987095 U CN 202020987095U CN 212195652 U CN212195652 U CN 212195652U
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Abstract
The application relates to the technical field of automobiles, in particular to an automobile B column reinforcing structure and an automobile. The automobile B-pillar reinforcing structure includes: the reinforced pipe is connected to the inner plate, the reinforced pipe is of an integrally formed structure, and a reinforcing piece is filled in the reinforced pipe. Because the traditional B-pillar reinforcing structure is formed by welding two reinforcing plates to form a cavity sealing structure and is formed by welding multiple layers of high-strength steel or hot-forming steel. The steel plate is directly processed into the reinforced pipe, so that the thickness and the using amount of the steel plate can be reduced, and the number of welding seams is obviously reduced; the reinforcing pipe is internally provided with a reinforcing piece, so that the strength of the reinforcing pipe can be further improved, the strength of the whole automobile B column reinforcing structure is further improved, and the effects of reducing weight and lowering cost are achieved.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to an automobile B column reinforcing structure and an automobile.
Background
Along with the popularization of automobiles, people have higher and higher requirements on the performance of the automobiles, and the requirements on safety are more and more rigorous while the dynamic property, the economical efficiency and the comfort are improved. The safety performance of the automobile is improved, and the accident can be effectively avoided or the casualty degree can be reduced.
The automobile B column is arranged between a front seat and a rear seat of a four-door automobile, is arranged on a threshold beam to support a metal column structure of the top of a cockpit, has an important protection effect on members in the cockpit when side collision or rolling occurs, and has small distance from the automobile B column to passengers in the side collision process, so that the automobile B column is required to have enough rigidity to resist collision deformation, and a large living space is provided for the passengers. The existing B-pillar reinforcing structure of the automobile is mainly formed by welding two reinforcing plates to form a cavity sealing structure, generally, two kinds of steel materials are adopted, wherein one of the two kinds of steel materials is formed by welding multiple layers of high-strength steel or hot-forming steel, and the required cost of the reinforcing structure is high; the other type is formed by welding multiple layers of cold-formed steel, and the reinforced structure is low in cost and strength, so that the development of a low-cost and high-strength B column reinforced structure is needed.
SUMMERY OF THE UTILITY MODEL
The application provides a car B post additional strengthening and car has low cost, advantage that intensity is high.
The application provides in a first aspect an automobile B-pillar reinforcement structure, including: the reinforced pipe is arranged between the inner plate and the outer plate, is of an integrally formed structure, and is internally filled with a reinforcing piece.
In the embodiment, because the reinforcing plates in the prior art are changed into the reinforcing pipes, only one pipe body is required to be connected to the inner plate, and a plurality of layers of reinforcing plates are not required to be welded on the inner plate, so that the thickness and the using amount of steel plates can be reduced, the number of welding seams is obviously reduced, and the strength of the reinforcing pipes is improved; the inside reinforcement that still is provided with of stiffening tube simultaneously can further improve the intensity of reinforced pipe, even adopt cold-formed steel also can further improve B post additional strengthening's intensity, consequently this B post additional strengthening has low cost, advantage that intensity is high.
In one possible design, the reinforcement is provided as a structural reinforcing foam for filling the inside of the reinforcement pipe.
In one possible embodiment, the reinforcement is filled in sections or in sections inside the reinforcement tube.
In one possible embodiment, the reinforcing tube is integrally formed from a plate body by 3D rolling.
In one possible design, the plate bodies are arranged as plate bodies with different thicknesses, and the plate bodies with different thicknesses are processed into the reinforcing pipes with pipe walls with different thicknesses through 3D roll forming.
In one possible design, the plate body is set to be an equal-thickness plate body, and the equal-thickness plate body is processed into the reinforcing pipe with the equal-thickness pipe wall through 3D roll forming.
In one possible design, the cross-sectional shape of the stiffening tube is oval, triangular, trapezoidal, arcuate or circular.
In one possible design, an outer plate is further included, and the reinforcing pipe is arranged in a cavity formed by the inner plate and the outer plate.
In one possible design, the inner panel further comprises a first edge beam and a second edge beam, wherein the first edge beam and the second edge beam are connected through the inner panel;
one end of the reinforcing pipe is connected to the first boundary beam through a first connector, and the other end of the reinforcing pipe is connected to the second boundary beam through a second connector.
A second aspect of the present application provides an automobile comprising: the automobile B column reinforcing structure is mounted on the automobile body.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application, as provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a B-pillar reinforcement structure of an automobile according to an embodiment of the present application;
FIG. 2 is a sectional view showing a first structure of a reinforcing pipe of a B-pillar reinforcing structure of an automobile according to an embodiment of the present application;
FIG. 3 is a sectional view showing a second structure of a reinforcing tube of a B-pillar reinforcing structure of an automobile according to an embodiment of the present application;
fig. 4 is a sectional view of a third structure of a reinforcing pipe of a B-pillar reinforcing structure of an automobile according to an embodiment of the present application.
Reference numerals:
1-an inner plate;
2-reinforcing the tube;
21-a reinforcement;
3-a first edge beam;
4-a second edge beam;
5-a first linker;
6-a second linker.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
In one embodiment, the present application is described in further detail below with reference to specific embodiments and accompanying drawings.
In the prior art, an inner plate of a B column is positioned at the innermost side of the B column, and the inner plate is used as an installation plate of a vehicle interior trim on one hand and is welded with a plurality of layers of reinforcing plates on the other hand to form a cavity sealing structure with the reinforcing plates so as to ensure the mechanical property; the planking of B post is located the outside of B post, generally regard as the mounting panel (generally DC class panel) of outward appearance spare and partial exterior trim working of plastics, the planking also can weld with the reinforcing plate, make the B post that welds big and heavy, especially the reinforcing plate adopts super high strength steel such as thermoforming boron steel, in order to get better effect in the collision, the thickness of reinforcing plate reaches 2.0mm thickness even higher, and need earlier carry out stitch welding or tailor-welding with the multilayer reinforcing plate, whole hot stamping forming again behind stitch welding or the tailor-welding, required mould is big and complicated, the manufacturing cost of mould and part is also higher. The welding seam of the reinforcing plate is in the collision process, and brittle failure can occur under extreme conditions, so that the whole B column fails, and the problem of potential safety hazard exists.
Referring to fig. 1, an embodiment of the present application provides a B-pillar reinforcement structure for an automobile, including: the structure comprises an inner plate 1, an outer plate (not shown in the figure) and a reinforced pipe 2, wherein the reinforced pipe 2 is arranged in a cavity formed by the inner plate 1 and the outer plate, the reinforced pipe 2 is of an integrally formed structure, and a reinforcing piece 21 is filled in the reinforced pipe 2. Because the reinforcing plate in the prior art is changed into the reinforcing pipe 2, only one pipe body is needed to be arranged in the cavity formed by the inner plate 1 and the outer plate, and a plurality of layers of reinforcing plates are not needed to be welded on the inner plate 1 and the outer plate, so that the thickness and the using amount of steel plates can be reduced, the number of welding seams is obviously reduced, and the strength of the reinforcing pipe is improved; simultaneously, the reinforcing part is arranged inside the reinforcing pipe 2, so that the strength of the reinforcing pipe can be further improved, and the strength of the B column reinforcing structure can be further improved even if cold-formed steel is adopted, so that the B column reinforcing structure has the advantages of low cost and high strength, and the safety performance of an automobile can be improved.
Because of the existence of the reinforced pipe 2, the strength of the automobile B-pillar reinforced structure can easily meet the required requirements, so the material strength and the thickness of the inner plate 1 can be properly reduced, and cold-formed steel with lower cost can be adopted to realize the purposes of light weight and cost reduction. The inner panel 1 may be made of a DC-based or HC 260Y-based material.
It should be noted that, because the reinforcing pipe 2 is set to be an integrally formed tubular structure, the reinforcing pipe 2 can be integrally formed, the processing technology is simple, and the processing cost is low.
In a particular embodiment, the reinforcement 21 is provided as a structural reinforcing foam for filling into the reinforcement tube 2. When the structure-enhanced reinforcing foam is filled into the reinforcing tube 2 and hardened, the strength of the B-pillar can be enhanced; and the structure-reinforced foam has simple implementation process, lower implementation equipment and part manufacturing cost and can more effectively control the cost. The structurally reinforced foam may be used as described in model Docol CR1350Y 11700T-MS.
Specifically, the reinforcing member 21 is filled in the inside of the reinforcing tube 2 in whole or in sections. According to specific requirements of customers, structural reinforcing foam can be completely filled in the reinforcing pipe, so that the strength and rigidity of the reinforcing pipe 2 are improved; the reinforced pipe 2 can be filled with structural reinforced foam in a segmented mode, so that the strength and rigidity of the reinforced pipe 2 are enhanced, and meanwhile, the cost is reduced.
In a specific embodiment, the reinforced pipe 2 is formed by 3D rolling and forming a plate body into a tubular structure, i.e., the material is first formed into the plate body, and then the reinforced pipe 2 is formed by 3D rolling and forming, and the forming process is simple. Or the reinforced pipe 2 can be formed by hydraulic expansion, and the integral forming process is simple. The hot forming boron steel in the prior art is replaced, the reinforcing pipe 2 is of an integral cavity tubular beam structure, the rigidity and the strength of parts are further improved by filling structure reinforced foam, and the force transferring effect is better while the weight and the cost are controlled.
Specifically, the plate body is set to be a plate body with different thicknesses, and the plate body with different thicknesses is processed into the reinforcing pipe 2 with the pipe wall with different thicknesses through 3D rolling. At this moment, the reinforcing pipe 2 with variable thickness can be processed by a 3D roll forming technology, and the reinforcing pipe 2 can be processed into a pipe body with the thicker upper pipe wall and the thinner lower pipe wall, so that the requirements of collision and energy absorption are met.
Or the plate body is set to be the equal-thickness plate body, the equal-thickness plate body is processed into the reinforced pipe 2 with the equal-thickness pipe wall through 3D rolling, and when the plate body is set to be the equal-thickness, the reinforced pipe 2 with the uniform thickness can be processed through a 3D rolling forming technology.
In one embodiment, the inner plate 1, the outer plate and the reinforcement pipe 2 are bent in the same direction. The inner plate 1, the outer plate and the reinforcing pipe 2 can be attached along with the shape, namely, the bending directions of the inner plate 1, the outer plate and the reinforcing pipe 2 are consistent as much as possible, the outer wall of the reinforcing pipe 2 can be attached to the inner walls of the inner plate 1 and the outer plate, and segmented welding can be carried out if necessary.
In one embodiment, as shown in fig. 2 to 4, the cross-sectional shape of the reinforced tube 2 is oval, triangular, trapezoidal, arched or circular, and the arrangement of different shapes can improve the strength of the reinforced tube 2, and the outer wall of the reinforced tube 2 is attached to the inner wall of the inner plate 1 and the inner wall of the outer plate as much as possible, so as to improve the strength of the B-pillar.
In a specific embodiment, please refer to fig. 1, the B-pillar reinforcement structure of the automobile further includes a first side rail 3 and a second side rail 4, the first side rail 3 and the second side rail 4 are connected by an inner panel 1, and the inner panel 1 is welded with the first side rail 3 and the second side rail 4; one end of the reinforcing pipe 2 is connected to the first edge beam 3 through a first connecting body 5, and the first connecting body 5 is arranged at the connecting part of the inner plate 1 and the first edge beam 3; the other end of the reinforced pipe 2 is connected to the second boundary beam 4 through a second connecting body 6, and the second connecting body 6 is arranged at the joint of the inner plate 1 and the second boundary beam 4. First connector 5 and second connector 6 adopt high strength steel, and concrete shape can be according to car B post additional strengthening retinue design, and the area of contact and the location of reinforced pipe 2 can be strengthened in the setting of first connector 5 and second connector 6 to be fixed in first boundary beam 3 and second boundary beam 4 with reinforced pipe 2 through the welding.
In conclusion, the strength of the reinforcing structure of the B column of the automobile can be improved by arranging the reinforcing pipes 2 without arranging a plurality of layers of reinforcing plates, the reinforcing members 21 are filled in the reinforcing pipes 2, the strength of the reinforcing structure of the B column of the automobile can be further improved, and under the same condition, the rigidity strength is improved by 5-25%, so that the stress and force transmission effect of the whole structure is better; because the strength of the reinforcing pipe 2 is high enough, the strength of the automobile B-pillar reinforcing structure meets the requirement, the material strength and the thickness of the inner plate 1 can be properly reduced, the whole structure can be lightened, and the weight can be reduced by 5-20%; because the material can be reduced, the processing technology is simple, the cost of the whole structure is effectively controlled, and the comprehensive cost can be reduced by 10-30%; this application can also improve and pass the power effect when control weight and cost, is favorable to promoting roof pressure and side collision effect.
The embodiment of the application also provides an automobile, an automobile body and an automobile B-column reinforcing structure, and the automobile B-column reinforcing structure is installed on the automobile body. Through the setting of car B post additional strengthening, can improve and pass the power effect, be favorable to promoting roof pressure and side collision effect, the security performance is good.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An automobile B-pillar reinforcement structure, comprising:
an inner plate (1);
the reinforced pipe (2), the reinforced pipe (2) connect in inner panel (1), reinforced pipe (2) are the integrated into one piece structure, just reinforced pipe (2) inside is provided with reinforcement (21).
2. The B-pillar reinforcement structure of an automobile according to claim 1, characterized in that the reinforcement (21) is provided as a structural reinforcing foam for filling inside the reinforcement tube (2).
3. The B-pillar reinforcement structure for automobiles according to claim 1, characterized in that the reinforcement (21) is filled in whole or in sections inside the reinforced tube (2).
4. The B-pillar reinforcement structure of claim 1, wherein the reinforcement tube (2) is formed of a plate body into an integrally formed tubular structure by 3D roll press working.
5. The automobile B-pillar reinforcement structure according to claim 4, wherein the plate bodies are provided as plate bodies of unequal thickness, and the plate bodies of unequal thickness are processed into the reinforcement pipe (2) of the tube wall of unequal thickness by 3D roll forming.
6. The automobile B-pillar reinforcement structure according to claim 4, wherein the plate body is provided as an equal thickness plate body, and the equal thickness plate body is processed into the reinforcement pipe (2) of an equal thickness pipe wall by 3D roll forming.
7. The automobile B-pillar reinforcement structure according to claim 1, wherein the cross-sectional shape of the reinforcement pipe (2) is oval, triangular, trapezoidal, arcuate, or circular.
8. The automobile B-pillar reinforcement structure according to any one of claims 1 to 7, further comprising an outer panel, the reinforcement pipe (2) being disposed in a cavity formed by the inner panel (1) and the outer panel.
9. The automobile B-pillar reinforcement structure according to any one of claims 1 to 7, further comprising a first side member (3) and a second side member (4), the first side member (3) and the second side member (4) being connected by the inner panel (1);
one end of the reinforcing pipe (2) is connected to the first boundary beam (3) through a first connecting body (5), and the other end of the reinforcing pipe is connected to the second boundary beam (4) through a second connecting body (6).
10. An automobile, comprising: a vehicle body and the automotive B-pillar reinforcement structure of any one of claims 1-9 mounted to the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020987095.1U CN212195652U (en) | 2020-06-03 | 2020-06-03 | Car B post additional strengthening and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020987095.1U CN212195652U (en) | 2020-06-03 | 2020-06-03 | Car B post additional strengthening and car |
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| Publication Number | Publication Date |
|---|---|
| CN212195652U true CN212195652U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020987095.1U Active CN212195652U (en) | 2020-06-03 | 2020-06-03 | Car B post additional strengthening and car |
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| CN (1) | CN212195652U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623039A (en) * | 2020-12-28 | 2021-04-09 | 湖南大学 | Automobile A-pillar structure, vehicle and manufacturing method of A-pillar structure |
| CN113977208A (en) * | 2021-12-08 | 2022-01-28 | 中新(重庆)超高强材料研究院有限公司 | Manufacturing method of ultrahigh-strength automobile A column |
| CN115285229A (en) * | 2022-08-26 | 2022-11-04 | 柳州五菱汽车工业有限公司 | Reinforced pipe assembly, A column of automobile and design method of reinforced pipe assembly |
-
2020
- 2020-06-03 CN CN202020987095.1U patent/CN212195652U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623039A (en) * | 2020-12-28 | 2021-04-09 | 湖南大学 | Automobile A-pillar structure, vehicle and manufacturing method of A-pillar structure |
| CN113977208A (en) * | 2021-12-08 | 2022-01-28 | 中新(重庆)超高强材料研究院有限公司 | Manufacturing method of ultrahigh-strength automobile A column |
| CN115285229A (en) * | 2022-08-26 | 2022-11-04 | 柳州五菱汽车工业有限公司 | Reinforced pipe assembly, A column of automobile and design method of reinforced pipe assembly |
| CN115285229B (en) * | 2022-08-26 | 2023-12-12 | 柳州五菱汽车工业有限公司 | Reinforcing pipe assembly, A column of automobile and design method of reinforcing pipe assembly |
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