CN216833929U - Vehicle C post subassembly and vehicle - Google Patents
Vehicle C post subassembly and vehicle Download PDFInfo
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- CN216833929U CN216833929U CN202220053054.4U CN202220053054U CN216833929U CN 216833929 U CN216833929 U CN 216833929U CN 202220053054 U CN202220053054 U CN 202220053054U CN 216833929 U CN216833929 U CN 216833929U
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- 239000000463 material Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 18
- 239000010960 cold rolled steel Substances 0.000 claims description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The embodiment of the utility model discloses vehicle C post subassembly and vehicle, vehicle C post subassembly includes back top crossbeam, roof curb girder inner panel, C post inner panel and C post joint, and C post joint is as an organic whole with back top crossbeam, roof curb girder inner panel and C post inner panel connection through the welding mode. According to the vehicle C-pillar assembly, a C-pillar joint part is separated from the connecting positions of the rear top cross beam, the roof side beam inner plate and the C-pillar inner plate independently, and the C-pillar joint part and the C-pillar inner plate are connected with each other in a welding mode, so that the material utilization rate of parts in a C-pillar area is improved; meanwhile, the C column joint is an independent part, the rigidity of the C column joint can be improved by optimizing the structure and the material thickness of the C column joint, so that the torsional rigidity of a vehicle is improved, and the light weight can be realized by optimizing parts of other non-critical areas.
Description
Technical Field
The utility model relates to the field of automobiles, concretely relates to vehicle C post subassembly and vehicle.
Background
As the automobile market matures, the customer demands higher handling performance of the vehicle, which puts higher demands on the torsional rigidity of the vehicle. The torsional rigidity of the vehicle body is mainly related to the structure of the vehicle body, the material thickness of the material and the like.
The lapping mode of the C column area of the traditional vehicle at present is as follows: a section of structure extending from the top of the inner plate of the roof side beam is lapped with the rear roof cross beam, the rear end of the inner plate of the roof side beam is lapped with the inner plate of the C column, and the area is a high-sensitivity area of vehicle torsional rigidity. Because a section of structure needs to be extended out of the inner plate of the roof side rail, the area of the plate material is larger when the inner plate of the roof side rail is prepared, the utilization rate of the plate material is lower through modes of stamping, cutting and the like, and waste is caused. Meanwhile, the rigidity of the lap joint area of the roof side rail inner plate and the rear roof cross beam and the rigidity of the lap joint area of the roof side rail inner plate and the C-pillar inner plate cannot be locally adjusted to enhance the rigidity of the lap joint area, and only the integral thickness of the roof side rail inner plate can be increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a vehicle C post subassembly and vehicle realizes being connected between the regional each part of C post through setting up the C post and connecting independent part, has improved the utilization ratio of material, and simultaneously through optimizing C post and connecting, can obviously improve the torsional rigidity of vehicle.
In a first aspect, the embodiment of the utility model provides a vehicle C post subassembly, vehicle C post subassembly includes back top crossbeam, roof side rail inner panel, C post inner panel and C post joint, C post joint passes through the welding mode and connects between back top crossbeam, roof side rail inner panel and the C post inner panel.
Further, the C-pillar joint includes a first connection portion extending from a top toward the rear roof rail, a second connection portion and a third connection portion extending in the front-rear direction, respectively.
Furthermore, the rear top cross beam is connected with the first connecting portion through at least two rows of welding spots in an overlapping mode, the roof side beam inner plate extends backwards and is connected with the second connecting portion through at least two rows of welding spots in an overlapping mode, and the C column inner plate extends forwards and is connected with the third connecting portion through at least two rows of welding spots in an overlapping mode.
Further, the extension part of the C-pillar inner plate is a horizontal joint.
Furthermore, the C-column joint is made of one of an ultra-deep drawing cold-rolled steel plate and a steel strip, interstitial-free high-strength cold-rolled steel and cold-rolled automobile structural steel.
Further, the thickness of the C column joint is 0.8mm-1.2 mm.
Further, the bottom edge of the second connecting portion and the bottom edge of the third connecting portion are connected to form a part of the top of the vehicle door opening, and the outer side edge of the third connecting portion is arc-shaped.
In a second aspect, embodiments of the present invention provide a vehicle including a vehicle C-pillar assembly as set forth in the first aspect.
The embodiment of the utility model provides a vehicle C post subassembly and vehicle, vehicle C post subassembly includes back top crossbeam, roof curb girder inner panel, C post inner panel and C post joint, and C post joint is as an organic whole with back top crossbeam, roof curb girder inner panel and C post inner panel connection through welding mode. According to the vehicle C-column assembly, a C-column joint part is separated from the connecting positions of the rear top cross beam, the roof side beam inner plate and the C-column inner plate independently, and the C-column joint part and the C-column inner plate are connected with each other in a welding mode, so that the material utilization rate of C-column area parts is improved; meanwhile, the C column joint is an independent part, the rigidity of the C column joint can be improved by optimizing the structure and the material thickness of the C column joint, so that the torsional rigidity of a vehicle is improved, and the light weight can be realized by optimizing parts of other non-critical areas.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a vehicle C-pillar assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a C-pillar inner panel according to an embodiment of the present invention.
Description of the drawings reference numbers:
1-rear top beam; 2-roof side rail inner panel; 3-C pillar inner panels; 4-C column joint; 41-a first connection; 42-a second connection; 43-third connecting portion.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In automotive construction, the a, B and C pillars are the main steel beams that support and stabilize the body structure. The a-and B-pillars are the main steel beams that support the cockpit. Whether the A column is wide and firm or not is directly related to whether the cockpit deforms or not due to frontal collision. The B column and the C column are main steel beams for supporting the rear row and the tail part, the B column is directly related to the damage caused by side collision, and the C column is directly related to the deformation and the damage caused by side and rear collision. In the present application, the C-pillar region refers to a connection region of the C-pillar inner panel (including the C-pillar), the roof side rail, and the rear cross rail. The C-pillar inner panel may also be understood as a rear wheel house, the roof side rail may be understood as a portion of the roof that is bent downward to be connected to the door, and the rear roof cross rail may be understood as a cross rail on the rear side of the roof. The C-pillar region is a high sensitivity region for torsional rigidity of the vehicle, and therefore the structure of the C-pillar region is important.
Fig. 1 is a schematic structural view of a vehicle C-pillar assembly of the present embodiment. As shown in fig. 1, the vehicle C-pillar assembly includes a rear top cross member 1, a roof side rail inner 2, a C-pillar inner 3, and a C-pillar joint 4. The C-pillar joint 4 is used as a hinge connecting piece and is connected among the rear top cross beam 1, the roof side beam inner plate 2 and the C-pillar inner plate 3 in a welding mode, and the rear top cross beam 1, the roof side beam inner plate 2 and the C-pillar inner plate 3 are connected into a whole. The vehicle C-pillar assembly of the embodiment can reduce the bulging structure of each adjacent part as much as possible by providing such an independent part as the C-pillar joint 4, thereby improving the utilization rate of materials when the rear top cross member 1, the roof side rail inner panel 2 and the C-pillar inner panel 3 are manufactured. Meanwhile, the C column joint is used as an independent part, and the rigidity of the C column joint can be improved by optimizing the structure and the material thickness of the C column joint, so that the torsional rigidity performance of the vehicle is improved. Further, the vehicle can also achieve light weight by optimizing parts of other non-critical areas.
In the present embodiment, the vehicle C-pillar assembly refers to the structure inside the C-pillar region described above. The rear roof cross rail 1 is a cross rail on the rear side of the inner roof, the roof side rail inner 2 is a side portion connected to the inner roof and the door, the C-pillar inner 3 is a portion formed on the rear side of the rear roof cross rail 1 and above the rear wheel, and the C-pillar inner 3 includes an integrally formed C-pillar portion, as shown in fig. 1.
Wherein the C-pillar joint 4 includes a first connection portion 41, a second connection portion 42, and a third connection portion 43. The first connecting portion 41 extends from the top portion toward the rear roof rail 1, and the second connecting portion 42 and the third connecting portion 43 extend in the front-rear direction of the vehicle body. The first connecting portion 41 is used for welding to form an overlapping region in contact with the end of the rear roof rail 1. The second connecting portion 42 is welded to the end of the roof side rail inner 2 so as to form an overlapping region. The third connecting portion 43 is welded to the front end of the C-pillar inner panel 3 to form an overlap region.
Preferably, the first connecting portion 41 and the rear cross member 1, the second connecting portion 42 and the roof side rail inner 2, and the third connecting portion 43 and the C-pillar inner 3 may be connected by spot welding. The lap joint area of the rear top cross beam 1 and the first connecting part 41 is connected through at least two rows of welding points, so that the rigidity performance of connection between the rear top cross beam 1 and the first connecting part can be ensured. The overlapping area of the backward extension of the roof side rail inner 2 and the second connecting part 42 is connected through at least two rows of welding spots, so that the rigidity performance of the connection between the two can be ensured. The C-pillar inner plate 3 extends forwards to be connected with the third connecting portion 43 in an overlapped mode through at least two rows of welding points, and the rigidity performance of connection of the C-pillar inner plate and the third connecting portion can be guaranteed.
That is, the amount of overlap of the first connecting portion 41 and the rear cross member 1, the amount of overlap of the roof side rail inner 2 and the second connecting portion 42, and the amount of overlap of the C-pillar inner 3 and the third connecting portion 43 may all be secured to enable welding of two rows of weld spots. That is, the length of the first connection portion 41, the length of the second connection portion 42, and the length of the third connection portion 43 may accommodate two rows of solder points.
Further, since the C-pillar inner panel 3 has an irregular plate-like structure, as shown in fig. 2. By considering the material utilization of each part, the extension end of the C-pillar inner panel 3 is generally a horizontal joint, that is, the boundary of the C-pillar inner panel 3 is closer to a regular shape, as shown by the arrow region in fig. 2.
In this embodiment, the C-pillar joint 4 may be made of ultra-deep drawing cold-rolled steel sheet and strip DC06, interstitial-free high-strength cold-rolled steel HC220Y, cold-rolled automobile structural steel HC340LA, or the like. Among them, DC06, HC220Y and HC340LA have the advantages of high strength, strong tensile property, good cold-forming property and the like, and are suitable for preparing automobile parts and the like by processes such as stamping and the like. Preferably, the thickness of the C column joint 4 is 0.8mm-1.2 mm. The C column joint 4 is used as an independent part, materials with different material thicknesses and different optimized structures of vehicle types can be selected according to different project requirements, and the rigidity of the C column joint 4 is improved, so that the torsion performance of a vehicle is improved.
In the present embodiment, the bottom edge of the second connecting portion 42 and the bottom edge of the third connecting portion 43 are connected to form a smooth top portion of the door opening. Meanwhile, after the second connecting portion 42 is overlapped with the roof side rail inner panel 2, the bottom edges of the two are connected in a smooth transition way; the bottom edges of the third connecting part 43 and the C-pillar inner plate 3 are in smooth transition connection after being overlapped; therefore, the edges of the door opening formed by the three parts are connected with each other smoothly, and the comfort and the strength of the vehicle are improved. Furthermore, the top edge of the second connecting part 42 is in smooth transition connection with the top edge of the roof side rail inner plate 2, the top edge of the third connecting part 43 is in smooth transition connection with the top edge of the C-pillar inner plate 3, and extension lines of the top edge and the top edge can be in flat connection, so that the roof edge is smooth, the connection is convenient, and the utilization rate of vehicles and materials is improved. The outer side edge of the third connecting portion 43 may be formed in an arc shape according to the portion overlapping the C-pillar inner panel 3.
The vehicle C-column assembly of the embodiment is characterized in that a C-column joint 4 is separately separated, and the C-column joint 4 is connected with peripheral parts by adopting welding spots: the rear top cross beam 1, the roof side beam inner plate 2 and the C-pillar inner plate 3 improve the material utilization rate of parts in the C-pillar area. The C column joint 4 is an independent part, the structure can be optimized, materials with different material thicknesses can be selected according to different project requirements, the rigidity of the C column joint 4 is improved, and therefore the torsion performance of a vehicle is improved. Furthermore, the vehicle can be lightened by optimizing parts in other non-critical areas, so that the economy is improved on the premise of meeting various performances such as structural strength and torsion.
Another embodiment of the present invention provides a vehicle. The vehicle comprises the vehicle C-column assembly in the embodiment, and the material utilization rate of each part in the C-column area is improved. The vehicle improves the torsion performance of the vehicle by optimizing the C-pillar joint 4 parts. Furthermore, the vehicle can be lightened by optimizing parts in other non-critical areas, so that the economy is improved on the premise of meeting various performances of structural strength, torsion and the like of the vehicle. Besides, the vehicle C-column assembly of the above embodiment can be applied to the A-column area and the B-column area of the vehicle by separately dividing the C-column joint 4 and connecting the peripheral parts by adopting the welding points.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The vehicle C column assembly is characterized by comprising a rear top cross beam (1), a roof side rail inner plate (2), a C column inner plate (3) and a C column joint (4), wherein the C column joint (4) is connected among the rear top cross beam (1), the roof side rail inner plate (2) and the C column inner plate (3) in a welding mode.
2. The vehicle C-pillar assembly according to claim 1, characterized in that the C-pillar joint (4) includes a first connecting portion (41) extending from a top toward the rear roof rail (1), a second connecting portion (42) and a third connecting portion (43) extending in the front-rear direction, respectively.
3. The vehicle C-pillar assembly according to claim 2, wherein the rear roof cross rail (1) is joined to the first joining portion (41) by at least two rows of welds in an overlapping manner, the roof side rail inner panel (2) extending rearward is joined to the second joining portion (42) by at least two rows of welds in an overlapping manner, and the C-pillar inner panel (3) extending forward is joined to the third joining portion (43) by at least two rows of welds in an overlapping manner.
4. The vehicle C-pillar assembly according to claim 3, characterized in that the extension of the C-pillar inner panel (3) is a horizontal joint.
5. The vehicle C-pillar assembly according to any of claims 1-4, characterized in that the material of the C-pillar joint (4) is one of an extra deep drawn cold rolled steel sheet and strip, a interstitial free high strength cold rolled steel, and a cold rolled automotive structural steel.
6. The vehicle C-pillar assembly according to claim 5, characterized in that the material thickness of the C-pillar joint (4) is 0.8-1.2 mm.
7. The vehicle C-pillar assembly of any of claims 2-4, characterized in that a bottom edge of the second link portion (42) and a bottom edge of the third link portion (43) are joined to form a partial top of a door opening, and an outer side edge of the third link portion (43) is curved.
8. A vehicle comprising the vehicle C-pillar assembly of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053054.4U CN216833929U (en) | 2022-01-10 | 2022-01-10 | Vehicle C post subassembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220053054.4U CN216833929U (en) | 2022-01-10 | 2022-01-10 | Vehicle C post subassembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833929U true CN216833929U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220053054.4U Active CN216833929U (en) | 2022-01-10 | 2022-01-10 | Vehicle C post subassembly and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN216833929U (en) |
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- 2022-01-10 CN CN202220053054.4U patent/CN216833929U/en active Active
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Effective date of registration: 20230929 Address after: 303, 3rd Floor, Building A, Building 1, Courtyard 6, Tangjialing North Ring Road, Haidian District, Beijing, 100094 Patentee after: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT Co.,Ltd. Address before: 200131 Part 317, third floor, building 1, No. 526, Fute East Third Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Shanghai Jusheng Technology Co.,Ltd. |