Vehicle body support structure and vehicle
By introducing a ring-shaped force transmission channel design for the C-pillar longitudinal beam, support plate, and coat rack assembly into the vehicle body support structure, the impact of the C-pillar triangular window area on the rear passenger's visibility is resolved, thereby improving the vehicle's support performance and passenger experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-06
- Publication Date
- 2026-04-10
AI Technical Summary
In traditional vehicle body structures, the support pillar structure of the triangular window area at the C-pillar affects the visibility of rear passengers, resulting in a poor riding experience.
Design a vehicle body support structure including C-pillar longitudinal beams, C-pillar support plates, rear roof crossbeams, and a coat rack assembly. By forming first and second annular force transmission channels, it provides excellent upper and lower support performance, and eliminates the C-pillar support column structure in the triangular window area to increase structural strength and stability.
While ensuring the body's support performance, it improves the visibility of rear passengers, enhances the structural strength and stability of the body, reduces safety hazards, and has a simple structure and low cost.
Smart Images

Figure CN114834535B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of vehicle body structure, in particular to a vehicle body support structure and a vehicle. BACKGROUND
[0002] The body structure of a conventional vehicle model is divided into A-pillar, B-pillar, C-pillar and D-pillar. Based on the individualization demand of automobile modeling and other factors, the importance of C-pillar structure in vehicle body performance is increasing. Generally, the C-pillar structure not only serves as the mounting point of interior trim, electrical appliances and other parts, but also serves as the upper and lower support structure of the rear part of the vehicle body. In order to improve the support performance at this position, the area of the quarter window at the C-pillar is often designed to be wider, and a C-pillar support column structure is arranged at the area of the quarter window. The C-pillar support column structure affects the field of view of the rear passengers and the riding experience of the rear passengers. SUMMARY
[0003] In view of the above problems existing in the prior art, the present application provides a vehicle body support structure and a vehicle to avoid the influence of the quarter window structure at the C-pillar on the field of view of the rear passengers while ensuring the upper and lower support performance at the C-pillar.
[0004] To achieve the above-mentioned purpose, the present application provides a vehicle body support structure, comprising a C-pillar longitudinal beam, a C-pillar support plate, a rear top cross beam and a hat rack assembly.
[0005] The C-pillar longitudinal beam is located on both sides in the vehicle width direction.
[0006] The C-pillar longitudinal beam is connected with the rear top cross beam.
[0007] The C-pillar support plate extends vertically or obliquely relative to the vertical direction. The upper end of the C-pillar support plate is connected with the C-pillar longitudinal beam, and the lower end of the C-pillar support plate is connected with the hat rack assembly.
[0008] The hat rack assembly comprises a support part and a transversely extending part. The support part and the transversely extending part are connected. The support part extends vertically or obliquely relative to the vertical direction. The support part is connected with the wheel cover assembly and the seat cross beam. The transversely extending part extends in the vehicle width direction.
[0009] Further, the upper end of the C-pillar support plate is connected with the rear top cross beam. Optionally, the upper end of the C-pillar support plate comprises a first connecting part and a second connecting part. The first connecting part is connected with the C-pillar longitudinal beam, and the second connecting part is connected with the rear top cross beam.
[0010] Further, the rear top cross beam comprises a cross beam main body part and a cross beam end part. The width of the cross beam end part in the vehicle longitudinal direction is greater than the width of the cross beam main body part in the vehicle longitudinal direction.
[0011] Further, the width of the beam end portion in the vehicle longitudinal direction gradually increases in the direction away from the beam main body portion.
[0012] Further, the hat rack assembly is a cavity structure.
[0013] Further, the hat rack assembly includes a diagonal support portion and a hat rack connecting area between the support portion and the transversely extending portion, the upper end of the diagonal support portion is connected with the hat rack connecting area, and the lower end of the diagonal support portion is connected with the seat beam.
[0014] Further, the diagonal support portion and the hat rack connecting area are connected by welding or bolting, and the diagonal support portion and the seat beam are connected by welding or bolting.
[0015] Further, the C-pillar support plate and the C-pillar longitudinal beam are connected by welding or bolting.
[0016] Further, the C-pillar support plate and the rear roof beam are connected by welding or bolting.
[0017] Further, the C-pillar support plate and the hat rack assembly are connected by welding or bolting.
[0018] Further, the C-pillar longitudinal beam and the rear roof beam are connected by welding or bolting.
[0019] The present application also provides a vehicle comprising the vehicle body support structure as described in the above technical solutions.
[0020] The present application has the following beneficial effects:
[0021] A vehicle body support structure is provided, the C-pillar longitudinal beam of the vehicle body support structure is connected with the rear roof beam, the upper end of the C-pillar support plate is connected with the C-pillar longitudinal beam, and the lower end of the C-pillar support plate is connected with the hat rack assembly to form a first annular force transmission channel, which can provide excellent support performance, thereby the vehicle body support structure provides excellent up-down support effect for the vehicle, so that the C-pillar support column structure in the quarter window area of the C-pillar structure of the vehicle can be cancelled, for the vehicle with the C-pillar support column structure in the quarter window area cancelled, it still has sufficient support strength in the up-down direction, and can provide an ultra-wide viewable area for rear passengers, improving the visual sense and riding experience of the rear passengers;
[0022] By directly connecting the C-pillar support plate with the rear roof beam, the support performance of the first annular force transmission channel and the up-down support effect of the vehicle body support structure can be further improved;
[0023] By increasing the width of the beam end portion of the rear roof beam in the vehicle longitudinal direction, the rear roof beam can be overlapped with the C-pillar support plate without changing the original position of the rear roof beam, which is simple in structure and low in cost.
[0024] The support part of the hat and coat rack assembly is connected with the seat cross beam, so that a second annular force transmission channel is formed between the hat and coat rack assembly and the seat cross beam, thereby the hat and coat rack assembly and the seat cross beam can provide excellent support performance, and the vehicle body support structure comprises a "day" type structure composed of the first annular force transmission channel and the second annular force transmission channel arranged in sequence from top to bottom, the "day" type structure of the vehicle body support structure can greatly increase the structural strength and support performance of the vehicle body support structure, thereby significantly optimizing the up-down support performance of the vehicle body at the C pillar, improving the stability and safety of the vehicle body, and reducing the probability of safety hazards. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0026] Figure 1 is a schematic diagram of a vehicle body support structure provided by the present application;
[0027] Figure 2 is a schematic diagram of a partial structure of a vehicle body support structure provided by the present application;
[0028] Figure 3 is an inside-outside view of a vehicle comprising the vehicle body support structure of the present application;
[0029] Figure 4 is an outside-inside view of a vehicle comprising the vehicle body support structure of the present application;
[0030] Figure 5 is a schematic diagram of a partial structure of a triangular window area at a C pillar of a vehicle comprising the vehicle body support structure of the present application.
[0031] Reference signs:
[0032] 1, C pillar longitudinal beam; 2, C pillar support plate; 3, rear top cross beam; 31, cross beam main body part; 32, cross beam end part; 4, hat and coat rack assembly; 41, diagonal support part; 42, support part; 43, transversely extending part; 44, hat and coat rack connecting area; 5, wheel cover assembly; 6, seat cross beam
[0033] S1, connection area of C pillar longitudinal beam and rear top cross beam assembly; S2, connection area of C pillar support plate and C pillar longitudinal beam, rear top cross beam assembly; S3, connection area of C pillar support plate and hat and coat rack assembly; S4, connection area of diagonal support part and connection area; S5, connection area of hat and coat rack assembly and wheel cover assembly; S6, connection area of diagonal support part and seat cross beam; S7, area in which C pillar support column structure is cancelled in triangular window area at C pillar DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0035] Embodiment 1
[0036] The present application provides a vehicle body support structure, as shown in the drawings, which comprises a C-pillar longitudinal beam 1, a C-pillar support plate 2, a rear roof cross beam 3 and a hat rack assembly 4. Figures 1-5 The C-pillar longitudinal beam 1 is connected with the rear roof cross beam 3, the upper end of the C-pillar support plate 2 is connected with the C-pillar longitudinal beam 1, and the lower end of the C-pillar support plate 2 is connected with the hat rack assembly 4, forming a first annular force transmission channel, which can provide excellent support performance, thereby providing excellent up-down support for the vehicle, so that the C-pillar support column structure in the quarter window area of the C-pillar structure of the vehicle can be cancelled, that is, for the vehicle with the C-pillar support column structure in the quarter window area cancelled, it still has sufficient support strength in the up-down direction, and can provide an ultra-wide viewable area for the rear passengers, improving the visual sense of the rear passengers.
[0037] The C-pillar longitudinal beam 1 is connected with the rear roof cross beam 3, the upper end of the C-pillar support plate 2 is connected with the C-pillar longitudinal beam 1, and the lower end of the C-pillar support plate 2 is connected with the hat rack assembly 4, forming a first annular force transmission channel, which can provide excellent support performance, thereby providing excellent up-down support for the vehicle, so that the C-pillar support column structure in the quarter window area of the C-pillar structure of the vehicle can be cancelled, that is, for the vehicle with the C-pillar support column structure in the quarter window area cancelled, it still has sufficient support strength in the up-down direction, and can provide an ultra-wide viewable area for the rear passengers, improving the visual sense of the rear passengers.
[0038] The C-pillar support plate 2 extends vertically or obliquely relative to the vertical direction, the upper end of the C-pillar support plate 2 is connected with the C-pillar longitudinal beam 1, and the lower end of the C-pillar support plate 2 is connected with the hat rack assembly 4.
[0039] As shown in the drawings, the hat rack assembly 4 comprises a support part 42 and a transversely extending part 43, the support part 42 and the transversely extending part 43 are connected, the support part 42 extends vertically or obliquely relative to the vertical direction, the support part 42 is connected with the wheel cover assembly 5, the support part 42 is connected with the seat cross beam 6, and the transversely extending part 43 extends in the vehicle width direction. Figures 1-2 The C-pillar longitudinal beam 1 of the vehicle body support structure is connected with the rear roof cross beam 3, the upper end of the C-pillar support plate 2 is connected with the C-pillar longitudinal beam 1, and the lower end of the C-pillar support plate 2 is connected with the hat rack assembly 4, forming a first annular force transmission channel, which can provide excellent support performance, thereby providing excellent up-down support for the vehicle, so that the C-pillar support column structure in the quarter window area of the C-pillar structure of the vehicle can be cancelled, that is, for the vehicle with the C-pillar support column structure in the quarter window area cancelled, it still has sufficient support strength in the up-down direction, and can provide an ultra-wide viewable area for the rear passengers, improving the visual sense of the rear passengers.
[0040]
[0041] Furthermore, the upper end of the C-pillar support plate 2 is connected to the rear roof crossbeam 3. Optionally, the upper end of the C-pillar support plate 2 includes a first connecting part and a second connecting part. The first connecting part is connected to the C-pillar longitudinal beam 1, and the second connecting part is connected to the rear roof crossbeam 3. Thus, the C-pillar support plate 2 is directly connected to the rear roof crossbeam 3, allowing the force on the rear roof crossbeam 3 to be directly transmitted to the C-pillar support plate 2, thereby further strengthening the support performance of the aforementioned first annular force transmission channel and the upper and lower support function of the vehicle body support structure.
[0042] Optionally, the lower end of the C-pillar support plate 2 is connected to the upper end of the coat rack assembly 4. Preferably, the lower end of the C-pillar support plate 2 overlaps the upper end of the coat rack assembly 4, and the lower end of the C-pillar support plate 2 and the upper end of the coat rack assembly 4 are connected by welding or bolts. Optionally, the C-pillar support plate 2 is connected to the C-pillar longitudinal beam 1 by welding or bolts, and the C-pillar support plate 2 is connected to the rear top crossbeam 3 by welding or bolts.
[0043] Optional, such as Figures 1-2 As shown, the rear roof crossbeam 3 includes a main body 31 and an end portion 32. The width of the end portion 32 in the longitudinal direction of the vehicle is greater than the width of the main body 31 in the longitudinal direction of the vehicle. Therefore, compared to existing rear roof crossbeams 3 where the width of the end portion 32 in the longitudinal direction of the vehicle is the same as or substantially the same as the width of the main body 31, this invention increases the width of the end portion 32 in the longitudinal direction of the vehicle, facilitating the overlap of the rear roof crossbeam 3 with the C-pillar support plate 2 without changing the original position of the rear roof crossbeam 3. This results in a simple structure and low cost.
[0044] Optionally, the width of the end of the crossbeam 32 in the longitudinal direction of the vehicle gradually increases in the direction away from the main body of the crossbeam 31; preferably, the width of the end of the crossbeam 32 in the longitudinal direction of the vehicle gradually increases towards the C-pillar support plate 2 in the direction away from the main body of the crossbeam 31.
[0045] Optionally, the rear top crossbeam 3 has a cavity structure, and the main body 31 and the end 32 of the crossbeam are integrally formed.
[0046] The coat rack assembly 4 includes a support portion 42 and a lateral extension portion 43, which are connected. The lateral extension portion 43 of the coat rack assembly 4 extends laterally along the vehicle, and its two ends are respectively connected to the support portion 42.
[0047] The support portion 42 of the coat rack assembly 4 vertically supports the coat rack assembly 4. The support portion 42 extends vertically or extends obliquely relative to the vertical. For example, the support portion 42 has an angle with the vertical. Optionally, the angle is less than 15°. For example, the angle is 5° or 10°.
[0048] The support part 42 is connected with the wheel cover assembly 5. The side surface of the support part 42 is connected with the wheel cover assembly 5, and optionally, the side surface of the support part 42 is connected with the wheel cover assembly 5 by welding or screwing. Optionally, the side surface of the support part 42 is provided with a continuous wheel cover connecting area for connecting with the wheel cover assembly 5; or the side surface of the support part 42 is provided with at least two discontinuous wheel cover connecting areas for connecting with the wheel cover assembly 5.
[0049] The support part 42 is connected with the seat cross beam 6. Specifically, the lower end of the support part 42 is connected with the seat cross beam 6, and optionally, the lower end of the support part 42 is connected with the seat cross beam 6 by welding or screwing. Thus, the hat rack assembly 4 is connected with the seat cross beam 6 by the support part 42 of the hat rack assembly 4, so that a second annular force transmission channel is formed between the hat rack assembly 4 and the seat cross beam 6, thereby the hat rack assembly 4 and the seat cross beam 6 can provide excellent support performance. Further, the vehicle body support structure comprises a "day" type structure composed of the first annular force transmission channel and the second annular force transmission channel arranged in sequence from top to bottom, and the "day" type structure of the vehicle body support structure can greatly increase the structural strength and support performance of the vehicle body support structure.
[0050] Optionally, the hat rack assembly 4 comprises a diagonal support part 41 and a hat rack connecting area 44 located between the support part 42 and the transversely extending part 43, and the support part 42 and the transversely extending part 43 are connected through the hat rack connecting area 44. Preferably, the hat rack assembly 4 is a cavity structure, and accordingly, the support part 42, the transversely extending part 43 and the hat rack connecting area 44 are all hollow cavity structures.
[0051] Optionally, the upper end of the diagonal support part 41 is connected with the hat rack connecting area 44, and the lower end of the diagonal support part 41 is connected with the seat cross beam 6; thus, the hat rack assembly 4 is supported by the diagonal support part 41, which increases the structural strength and support performance of the second annular force transmission channel, and further improves the structural strength and support performance of the vehicle body support structure. Preferably, the upper end of the diagonal support part 41 overlaps with the hat rack connecting area 44, and the lower end of the diagonal support part 41 overlaps with the seat cross beam 6.
[0052] Optionally, the included angle between the diagonal support part 41 and the seat cross beam 6 towards both sides of the vehicle is 40°-80°, for example, the included angle is 45°, 60° or 70°, so that the diagonal support part 41 provides better support to the hat rack assembly 4.
[0053] Optionally, the diagonal support part 41 is a C-shaped structure or a "Fang" shaped structure.
[0054] Optionally, the hatstand connecting area 44 has an inner side away from the side of the vehicle, and the upper end of the diagonal strut 41 is connected to the inner side of the hatstand connecting area 44. Optionally, the diagonal strut 41 is connected to the hatstand connecting area 44 by welding or screwing, and the diagonal strut 41 is connected to the seat cross beam 6 by welding or screwing.
[0055] Embodiment 2
[0056] The application also provides a vehicle comprising the vehicle body support structure as described in the above technical solutions. Preferably, the vehicle comprises a quarter window area at the C pillar, and no C pillar support column structure is arranged in the quarter window area, and the area S7 in the quarter window area at the C pillar where the C pillar support column structure is cancelled is originally provided with the C pillar support column structure. As shown in Figures 3-5 the vehicle provides an ultra-wide visual area in the quarter window area at the C pillar.
[0057] The above only discloses the preferred exemplary embodiments of the application, of course cannot limit the scope of the application, therefore the equivalent changes made according to the claims of the application, still belongs to the scope covered by the application.
Claims
1. A vehicle body support structure characterized by comprising: It includes a C-pillar longitudinal beam (1), a C-pillar support plate (2), a rear roof cross beam (3), and a hat rack assembly (4); The C-pillar longitudinal beam (1) is located on both sides in the vehicle width direction; The C-pillar longitudinal beam (1) is connected to the rear roof cross beam (3); The C-pillar support plate (2) extends vertically or extends obliquely relative to the vertical direction. The upper end of the C-pillar support plate (2) is connected to the C-pillar longitudinal beam (1), and the lower end of the C-pillar support plate (2) is connected to the hat rack assembly (4) to form a first annular force transmission channel; The hat rack assembly (4) includes a support portion (42) and a transverse extension portion (43). The support portion (42) and the transverse extension portion (43) are connected. The support portion (42) is connected to the seat cross beam (6). The transverse extension portion (43) extends in the vehicle width direction. A second annular force transmission channel is formed between the hat rack assembly (4) and the seat cross beam (6); The "day" - shaped structure is formed by the first annular force transmission channel and the second annular force transmission channel; The support portion has an angle with the vertical direction and this angle is less than 15°. A continuous wheelhouse connection area or at least two discontinuous wheelhouse connection areas are provided on the side surface of the support portion; The hat rack assembly includes a diagonal brace portion and a hat rack connection area between the support portion and the transverse extension portion. The upper end of the diagonal brace portion is connected to the hat rack connection area, and the lower end of the diagonal brace portion is connected to the seat cross beam. The lower end of the diagonal brace portion is connected to the seat cross beam. The diagonal brace portion is of a "匚" - shaped structure. The angle between the diagonal brace portion and the seat cross beam facing the two sides of the vehicle is 40° - 80°. The hat rack connection area has an inner side surface away from the vehicle side. The upper end of the diagonal brace portion is connected to this inner side surface of the hat rack connection area to expand the visual range of the C-pillar area.
2. The vehicle body support structure according to claim 1, characterized by, The upper end of the C-pillar support plate (2) is connected to the rear roof cross beam (3).
3. The vehicle body support structure according to claim 1 or 2, characterized by, The rear roof cross beam (3) includes a cross beam main body portion (31) and a cross beam end portion (32). The width of the cross beam end portion (32) in the vehicle longitudinal direction is greater than the width of the cross beam main body portion (31) in the vehicle longitudinal direction.
4. The vehicle body support structure according to claim 3, characterized by The width of the cross beam end portion (32) in the vehicle longitudinal direction gradually increases in the direction away from the cross beam main body portion (31).
5. The vehicle body support structure according to claim 1, characterized by The hat rack assembly (4) is of a cavity structure.
6. The vehicle body support structure according to claim 5, characterized by The diagonal brace portion (41) is connected to the hat rack connection area (44) by welding or bolt connection. The diagonal brace portion (41) is connected to the seat cross beam (6) by welding or bolt connection.
7. The vehicle body support structure according to claim 1, characterized by The C-pillar support plate (2) is connected to the C-pillar longitudinal beam (1) by welding or bolt connection.
8. The vehicle body support structure according to claim 1, characterized by The C-pillar support plate (2) is connected to the rear roof cross beam (3) by welding or bolt connection.
9. A vehicle characterized by comprising: The vehicle includes a body support structure as described in any one of claims 1 to 8.
Citation Information
Patent Citations
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