CN113212558B - Vehicle body C ring reinforcing structure and vehicle comprising same - Google Patents
Vehicle body C ring reinforcing structure and vehicle comprising same Download PDFInfo
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- CN113212558B CN113212558B CN202110559321.5A CN202110559321A CN113212558B CN 113212558 B CN113212558 B CN 113212558B CN 202110559321 A CN202110559321 A CN 202110559321A CN 113212558 B CN113212558 B CN 113212558B
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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
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Abstract
The invention provides a vehicle body C ring reinforcing structure and a vehicle comprising the same, and particularly relates to the technical field of automobiles. The C-pillar lower inner plate is arranged on one side, facing the tail, of a rear wheel of the vehicle; the C column outer plate is connected to the outer side of the C column lower inner plate, and a cavity is formed between the C column outer plate and the C column lower inner plate; the C-column reinforcing plate is arranged in the cavity and is respectively connected with the C-column lower inner plate and the C-column outer plate; the C ring beam structure is connected to one side, facing the interior of the vehicle, of the C column lower inner plate, the top of the C ring beam structure is connected to the position, corresponding to the C column reinforcing plate, of the C column lower inner plate, and the bottom of the C ring beam structure is connected to a rear longitudinal beam of the vehicle. The invention improves the performances of durability, NVH, VD and the like of the vehicle body.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a C-ring reinforcing structure of an automobile body and a vehicle comprising the same.
Background
In the related art, three most basic performances of structure durability, NVH (Noise, vibration, harshness Noise, vibration and Harshness) and collision safety vehicle body development are provided, the design of a vehicle body at the rear part of a vehicle body is important to the performance of the vehicle body, a good rear vehicle body structure can provide high rigidity, so that the durability, NVH, VD and collision safety performance are improved, the bending rigidity, the mode, the NTF/VTF (Noise transfer function/Vibration transfer function) and the like of the vehicle body are closely related to the vehicle body structure, and the good vehicle body structure often determines the performance of a whole vehicle.
For large-scale long-wheelbase vehicle types, due to reasons such as general arrangement and seats, in the prior art, a C ring beam structure is difficult to find a proper position, the C ring beam structure is connected with a rear longitudinal beam and a C column and is connected with a damping tower in an overlapping mode, the local rigidity of the joint of the C ring beam structure and the C column is difficult to improve, so that the structure is difficult to achieve a good effect, the torsional rigidity of a vehicle body is low, the static and dynamic rigidity of a mounting point is low, the durability, the NVH and VD performances are poor, large amount of labor is needed to solve, and great financial resources, material resources and time are consumed, so that a good effect cannot be achieved. Therefore, it is desirable to provide a C-ring reinforcement structure for a vehicle body, which improves the local rigidity of the joint between a C-ring beam structure and a C-pillar, so as to solve the above-mentioned drawbacks in the prior art.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a C-ring reinforcement structure for a vehicle body and a vehicle including the same, so as to solve the technical problems of the prior art that the joint of a C-ring beam structure and a C-pillar in a large-sized long-wheelbase vehicle has insufficient local stiffness, resulting in low overall vehicle body rotational stiffness, low resting point static and dynamic stiffness, and relatively poor durability, NVH performance and VD performance.
In order to achieve the above objects and other related objects, the present invention provides a C-ring reinforcement structure for a vehicle body, including a C-pillar lower inner panel, a C-pillar outer panel, a C-pillar reinforcement panel, and a C-ring beam structure;
the C-pillar lower inner plate is arranged on one side, facing the tail, of a rear wheel of the vehicle; the C column outer plate is connected to the outer side of the C column lower inner plate, and a cavity is formed between the C column outer plate and the C column lower inner plate; the C-column reinforcing plate is arranged in the cavity and is respectively connected with the C-column lower inner plate and the C-column outer plate; the C-shaped ring beam structure is connected to one side, facing the interior of the vehicle, of the C-shaped pillar lower inner plate, the top of the C-shaped ring beam structure is connected to the position, corresponding to the C-shaped pillar reinforcing plate, of the C-shaped pillar lower inner plate, and the bottom of the C-shaped ring beam structure is connected to a rear longitudinal beam of the vehicle.
In an embodiment of the present invention, the C-pillar reinforcement plate has a protruding connecting portion, and a first flange is disposed on an outer edge of a bottom of the protruding connecting portion.
In an embodiment of the present invention, the C-pillar reinforcement plate is disposed above a joint of the C-pillar lower inner panel and the rear wheel cover.
In an embodiment of the present invention, a convex surface of the convex connecting portion on the C-pillar reinforcing plate contacts and is fixedly connected to the outer panel of the C-pillar, and a first flange at the bottom of the convex connecting portion on the C-pillar reinforcing plate is connected to the lower inner panel of the C-pillar.
In an embodiment of the invention, a second flanging matched with the first flanging is arranged at the top of the C-shaped ring beam structure, and the second flanging is arranged on the position, corresponding to the first flanging, of the C-shaped column lower inner plate.
In an embodiment of the invention, the protruding surface is adhered to the C-pillar outer panel through a glue.
In an embodiment of the present invention, the C-ring beam structure, the C-pillar reinforcement plate, and the C-pillar lower inner panel are connected by welding points.
In an embodiment of the invention, the C-pillar reinforcing plate is connected with the C-ring beam structure and the C-pillar lower inner plate through self-piercing riveting.
In an embodiment of the present invention, the top of the C-ring beam structure is an annular bending structure, and two sides of the annular bending structure extend downward and are connected to the rear longitudinal beam.
The invention further provides a vehicle, and the vehicle is provided with the vehicle body C ring reinforcing structure.
In summary, the C-pillar reinforcement plate is arranged in the cavity between the C-pillar lower inner plate and the C-pillar outer plate, one side of the C-pillar reinforcement plate is fixedly connected with the C-pillar reinforcement plate and the C-pillar beam structure into a whole, the other side of the C-pillar reinforcement plate is fixedly connected with the C-pillar outer plate, and the local structural rigidity of the C-pillar beam at the rear part of the vehicle body is continuously increased through the transition of the connection structure, so that the C-pillar lower inner plate, the C-pillar outer plate and the C-pillar beam structure simultaneously bear force, the torsional rigidity of the vehicle body is further improved, and the durability, NVH, VD and other performances of the vehicle body are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a C-ring reinforcement structure of a vehicle body according to an embodiment of the invention.
FIG. 2 is a structural side view of a C-ring reinforcement structure of a vehicle body according to an embodiment of the present invention, the C-ring reinforcement structure being disposed outwardly from a side of the vehicle body.
Fig. 3 is a schematic view illustrating an installation of the C-pillar reinforcement plate on the C-pillar lower inner panel in an embodiment of the vehicle body C-ring reinforcement structure of the present invention.
FIG. 4 is a top view of the C-ring reinforcement structure inside the C-pillar outer panel according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of the C-pillar reinforcement plate in an embodiment of the C-ring reinforcement structure of the vehicle body of the present invention.
FIG. 6 is a top view of a C-pillar reinforcement plate according to an embodiment of the present invention.
Description of the element reference numerals
1. A C-pillar lower inner plate; 2. a C-pillar outer plate; 3. a C-pillar reinforcement plate; 31. a male connection portion; 311. a convex surface; 32. a first flanging; 4. c ring beam structure; 41. second flanging; 5. and a rear wheel cover.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the invention otherwise indicated. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the description of the present invention, and any methods, apparatuses, and materials similar or equivalent to those described in the examples of the present invention may be used to practice the present invention.
Referring to fig. 1 to 6, fig. 1 is a schematic view of a C-ring reinforcement structure of a vehicle body according to an embodiment of the invention. FIG. 2 is a structural side view of a C-ring reinforcement structure of a vehicle body according to an embodiment of the present invention, the C-ring reinforcement structure being disposed outwardly from a side of the vehicle body. Fig. 3 is a schematic view illustrating an installation of the C-pillar reinforcement plate on the C-pillar lower inner panel in an embodiment of the vehicle body C-ring reinforcement structure according to the present invention (the C-pillar outer panel 2 is partially removed in the figure). FIG. 4 is a top view of the C-ring reinforcement structure inside the C-pillar outer panel according to an embodiment of the present invention. FIG. 5 is a schematic view of a C-pillar reinforcement plate according to an embodiment of the present invention. FIG. 6 is a top view of a C-pillar reinforcement plate according to an embodiment of the present invention. The invention provides a C-ring reinforcing structure of a vehicle body and a vehicle comprising the same, which are used for solving the technical problems of low overall rotational rigidity, low static and dynamic rigidity of a placement point, and poor durability, NVH (noise vibration harshness) and VD (vacuum vibration harshness) performances of the vehicle body due to the fact that the local rigidity of the joint of a C-ring beam structure and a C column of a large-scale long-wheelbase vehicle in the prior art is insufficient.
As shown in fig. 1 to 4, the C-ring reinforcement structure of the present invention may include a C-pillar lower inner panel 1, a C-pillar outer panel 2, a C-pillar reinforcement panel 3, and a C-ring beam structure 4. The C-pillar lower inner plate 1 is arranged on one side, facing the tail, of a vehicle rear wheel. The C-column outer plate 2 is connected to the outer side of the C-column lower inner plate 1, a cavity is formed between the C-column lower inner plate 1 and the cavity, the tail end of the cavity extends towards the rear of a wheel, and the outer edge of one side of the top of a rear wheel cover 5 at the rear part of the vehicle body is lapped on the C-column lower inner plate 1 and the C-column outer plate 2. The C-column reinforcing plate 3 is arranged in the cavity and is respectively connected with the C-column lower inner plate 1 and the C-column outer plate 2; the C-shaped ring beam structure 4 is connected to one side, facing the interior of the vehicle, of the C-shaped pillar lower inner plate 1, the top of the C-shaped ring beam structure 4 is connected to the position, corresponding to the C-shaped pillar reinforcement plate 3, of the C-shaped pillar lower inner plate 1, and the bottom of the C-shaped ring beam structure 4 is connected to a rear longitudinal beam of the vehicle.
In the structure, the C-column reinforcing plate 3 is arranged in the cavity between the C-column lower inner plate 1 and the C-column outer plate 2 of the C-column reinforcing structure, one side of the C-column reinforcing plate 3 is fixedly connected with the C-column reinforcing plate 1 and the C-ring beam structure 4 into a whole, the other side of the C-column reinforcing plate is fixedly connected with the C-column outer plate 2, the local structural rigidity of the C-ring beam at the rear part of the vehicle body is continuously increased through the transition of the connecting structure, so that the C-column lower inner plate 1, the C-column outer plate 2 and the C-ring beam structure 4 simultaneously bear the force, the torsional rigidity of the vehicle body is further improved, and the performances of durability, NVH, VD and the like of the vehicle body are improved.
As shown in fig. 1 to 4, the C-pillar reinforcement plate 3 is disposed in a cavity surrounded by the C-pillar lower inner plate 1 and the C-pillar outer plate 2, and one side of the C-pillar reinforcement plate 3 is connected to the C-pillar lower inner plate 1 and the other side is connected to the C-pillar outer plate 2. In the arrangement mode, the C-column reinforcing plate 3 is used for connecting the C-column lower inner plate 1 and the C-column outer plate 2 in the cavity, so that the C-column lower inner plate 1 and the C-column outer plate 2 are stressed together at the local position of the rear part of the vehicle body. The connection mode between the C-pillar reinforcement plate 3 and the C-pillar lower inner plate 1 and the C-pillar outer plate 2 can be various, including but not limited to welding.
As shown in fig. 2, the C-ring beam structure 4 extends in the vehicle height direction and is connected to the side of the C-pillar lower inner panel 1 facing the inside of the vehicle. In an example of the present invention, the top of the C-ring beam structure 4 is the same as the top of the C-pillar reinforcement plate 3, and both are annular bending structures, and the top of the C-ring beam structure 4 and the top of the C-pillar reinforcement plate 3 are matched and matched with each other through the C-pillar lower inner plate 1, and the bottom of the C-ring beam structure 4 extends downward through the rear wheel cover 5 to the rear longitudinal beam (not shown) along the vehicle height direction. In an example of the present invention, the top of the C-ring beam structure 4 is an annular bent structure, two sides of the annular bent structure extend downward and are connected with a rear longitudinal beam (not shown), and the connection manner between the C-ring beam structure 4 and the C-pillar lower inner panel 1 and the rear longitudinal beam can be various, including but not limited to welding.
As shown in fig. 2 to 4, in an embodiment of the present invention, the C-pillar reinforcement plate 3 is disposed above a joint of the C-pillar lower inner panel 1 and the rear wheel casing 5, and a top of the C-ring beam structure 4 is also disposed above the joint of the C-pillar lower inner panel 1 and the rear wheel casing 5 due to the arrangement corresponding to the C-pillar reinforcement plate 3. Because the rear wheel casing 5 and the plate bodies on the rear wheel casing 5 are fixed between the C-pillar lower inner plate 1 and the rear longitudinal beam (not shown), the arrangement mode can enable the C-shaped ring beam structure 4 to penetrate through the rear wheel casing 5 when extending to the rear longitudinal beam (not shown) and to be in contact with and overlapped with the rear wheel casing 5, so that the C-pillar lower inner plate 1, the C-shaped ring beam 4 and the rear wheel casing 5 are mutually connected and jointly stressed, and the torsional rigidity of the rear structure of the vehicle body is effectively improved.
As shown in fig. 5 and 6, in an embodiment of the present invention, the C-pillar stiffener 3 is provided with a convex protruding connection portion 31. The convex surface 311 of the convex connecting portion 31 is a plane, and the outer edge of the bottom of the convex connecting portion 31 is provided with a first flange 32 extending outwards.
As shown in fig. 1, 3 and 4, in the present embodiment, the C-pillar reinforcement plate 3 is disposed in a cavity surrounded by the C-pillar lower inner plate 1 and the C-pillar outer plate 2, wherein the convex surface 311 of the convex connection portion 31 on the C-pillar reinforcement plate 3 is in surface contact with and fixedly connected to the C-pillar outer plate 2, and the first flange 32 at the bottom of the convex connection portion 31 on the C-pillar reinforcement plate 3 is in contact with and fixedly connected to the C-pillar lower inner plate 1. The connection method of the projecting connection portion 31 to the C-pillar lower inner panel 1 and the C-pillar outer panel 2 is not limited, and may be, for example, welding, caulking, adhesive bonding, pinning, or the like.
As shown in fig. 2 to 4, in the present embodiment, a second flange 41 matching with the first flange 32 of the C-pillar reinforcement plate 3 in size, shape and relative position is provided on the outer edge of the top of the C-ring beam structure 4, and the second flange 41 is provided on the outer edge of the top of the C-ring beam structure 4 and extends outward. And, the second turn-ups 41 on the top of the C ring beam structure 4 and the first turn-ups 32 on the C post reinforcing plate 3 are arranged on both sides of the same position on the C post reinforcing plate 3 and are arranged oppositely, the first turn-ups 32, the second turn-ups 41 and the plate body of the C post reinforcing plate 3 which are mutually overlapped at the same position are connected into a whole in a fixed connection mode, so that the force born by the C ring beam structure 4 in the vehicle advancing process can be simultaneously transmitted to the C post lower inner plate 1 and the C post outer plate 2 through the C post reinforcing plate 3, and further the torsional rigidity of the vehicle body is improved. The fixing connection manner between the first flange 32, the second flange 41 and the C-pillar lower inner panel 1 may not be limited, for example, the fixing connection manner may be welding, riveting, screwing, pinning, or the like.
In one embodiment of this embodiment, the protruding surface 311 of the C-pillar reinforcement plate 3 is adhered to the C-pillar outer panel 2 by glue; the first flanging 32 on the C-pillar reinforcing plate 3, the second flanging 41 of the C-ring beam structure 4 at the corresponding position and the plate body of the C-pillar lower inner plate 1 are fixedly connected into a whole in a welding point connection mode.
In another embodiment of this embodiment, the convex surface 311 of the C-pillar reinforcement plate 3 is bonded to the C-pillar outer panel 2 by glue; the first flanging 32 on the C-pillar reinforcing plate 3, the second flanging 41 of the C-ring beam structure 4 at the corresponding position and the plate body of the C-pillar lower inner plate 1 are fixedly connected into a whole in a piercing riveting mode.
The invention also provides a vehicle, wherein the vehicle comprises the C-ring reinforcing structure in any embodiment. The vehicle has the advantages that the local rigidity of the joint of the C ring beam structure and the C column is good, the integral rotating rigidity of the vehicle body is high, the static rigidity and the dynamic rigidity of the arrangement point are high, and the vehicle has good durability, NVH performance and VD performance.
In summary, in the C-pillar reinforcement structure of the present invention, the C-pillar reinforcement plate 3 is disposed in the cavity between the C-pillar lower inner plate 1 and the C-pillar outer plate 2, the first flange 32 at one side of the C-pillar reinforcement plate 3, and the second flange 41 on the C-pillar beam structure 4 are fixedly connected together, and the convex surface 311 at the other side is fixedly connected to the C-pillar outer plate 2, so that the local structural rigidity of the C-pillar beam at the rear of the vehicle body is continuously increased through the transition of the connection structure, and the C-pillar lower inner plate 1, the C-pillar outer plate 2, and the C-pillar beam structure 4 simultaneously bear the force, thereby improving the torsional rigidity of the vehicle body, and improving the durability, NVH, VD, and other performances of the vehicle body.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A vehicle body C-ring reinforcement structure, comprising:
the C-column lower inner plate is arranged on one side, facing the tail, of a rear wheel of the vehicle;
the C column outer plate is connected to the outer side of the C column lower inner plate, and a cavity is formed between the C column outer plate and the C column lower inner plate;
the C-column reinforcing plate is arranged in the cavity and is respectively connected with the C-column lower inner plate and the C-column outer plate;
the top of the C ring beam structure is connected to the position, corresponding to the C-column reinforcing plate, of the C-column lower inner plate, and the bottom of the C ring beam structure is connected to a rear longitudinal beam of the vehicle;
the C-column reinforcing plate is provided with a convex connecting part, the outer edge of the bottom of the convex connecting part is provided with a first flanging, the convex surface of the convex connecting part on the C-column reinforcing plate is in surface contact with and fixedly connected with the outer plate of the C-column, and the first flanging at the bottom of the convex connecting part on the C-column reinforcing plate is connected to the lower inner plate of the C-column;
the C-shaped ring beam structure, the C-shaped column reinforcing plate and the C-shaped column lower inner plate are connected through welding spots or self-piercing riveting, a second flanging matched with the first flanging is arranged at the top of the C-shaped ring beam structure, the second flanging is arranged on the C-shaped column lower inner plate in a position corresponding to the first flanging, and the first flanging, the second flanging and the C-shaped column lower inner plate are connected and fixed.
2. The vehicle body C-ring reinforcement structure according to claim 1, wherein the C-pillar reinforcement panel is disposed above a joint of the C-pillar lower inner panel and a rear wheel house.
3. The C-ring reinforcement structure for vehicle bodies of claim 1, wherein the convex surface is bonded to the C-pillar outer panel by glue.
4. The vehicle body C-ring reinforcing structure according to claim 1, wherein the top of the C-ring beam structure is an annular bent structure, and two sides of the annular bent structure extend downwards and are connected with the rear longitudinal beam.
5. A vehicle incorporating the vehicle body C-ring reinforcement structure defined in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559321.5A CN113212558B (en) | 2021-05-21 | 2021-05-21 | Vehicle body C ring reinforcing structure and vehicle comprising same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110559321.5A CN113212558B (en) | 2021-05-21 | 2021-05-21 | Vehicle body C ring reinforcing structure and vehicle comprising same |
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| CN113212558A CN113212558A (en) | 2021-08-06 |
| CN113212558B true CN113212558B (en) | 2022-10-25 |
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| CN202110559321.5A Active CN113212558B (en) | 2021-05-21 | 2021-05-21 | Vehicle body C ring reinforcing structure and vehicle comprising same |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416404B (en) * | 2015-11-12 | 2018-02-16 | 奇瑞汽车股份有限公司 | A kind of vehicle body rear part structure |
| CN106032151A (en) * | 2016-07-01 | 2016-10-19 | 奇瑞汽车股份有限公司 | Connecting structure of C column reinforcing plate lower joint |
| CN205801259U (en) * | 2016-07-11 | 2016-12-14 | 北京汽车股份有限公司 | Body structure and vehicle |
| CN208248302U (en) * | 2018-03-26 | 2018-12-18 | 北京汽车股份有限公司 | D column assembly and vehicle with it |
| CN108674488B (en) * | 2018-06-01 | 2020-03-17 | 上汽通用五菱汽车股份有限公司 | Automobile rear side wall reinforcing structure and automobile |
| JP7292605B2 (en) * | 2019-04-04 | 2023-06-19 | マツダ株式会社 | Vehicle side body structure |
| CN110329357A (en) * | 2019-07-26 | 2019-10-15 | 奇瑞汽车股份有限公司 | C column reinforcement plate connection structure |
| CN210881576U (en) * | 2019-10-31 | 2020-06-30 | 摩登汽车有限公司 | Automobile rear shock absorber installation assembly |
| CN112339861B (en) * | 2020-10-14 | 2022-02-18 | 广州汽车集团股份有限公司 | Automobile body rear portion force transmission structure and car |
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