Vehicle body rear side wall structure
By welding a bottom plate to the seat backrest top plate and forming a grooved plate structure with the D-pillar inner plate, the vibration and swaying problems of cars without a rear roof beam at high speeds are solved, improving ride comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-03-10
AI Technical Summary
Cars without a rear roof beam are prone to rear body vibration and Y-axis yaw during high-speed driving, resulting in serious road noise and affecting ride comfort.
A base plate is welded to the top plate of the seat back, and together with the inner plate of the D-pillar, a groove-shaped plate structure is formed through the support plate and the upright plate, forming a ring-shaped path of the D-pillar to enhance the stability of the vehicle body.
It effectively suppresses vehicle vibration and Y-axis yaw, reduces road noise, and improves the comfort of rear passengers.
Smart Images
Figure CN223982568U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive body structure technology, specifically a rear side panel structure for an automotive body. Background Technology
[0002] With the booming development of the automotive industry, users have more demanding requirements for vehicle comfort. Currently, most models on the market adopt a rear roof crossbeam design at the upper rear. This structure can effectively suppress the Y-axis yaw of the vehicle body during high-speed driving and reduce road noise in the rear seats. However, for models without a rear roof crossbeam, when the car is driving at high speed, the rear body is prone to shaking and Y-axis yaw, resulting in serious road noise problems in the rear seats. Utility Model Content
[0003] The purpose of this utility model is to provide a rear side panel structure for a vehicle body that reduces road noise generated by the rear seats by suppressing the Y-axis yaw of the vehicle body during high-speed driving of a vehicle without a rear roof beam.
[0004] This utility model can be achieved through the following technical solution: a rear side panel structure of a vehicle body, wherein a flat bottom plate is welded to the upper surface of the seat back top plate, and an upwardly extending vertical plate is connected to the outer edge of the bottom plate in the vehicle length direction. A support plate is obliquely connected to the upper edge of the vertical plate from bottom to top and from outside to inside. The support plate is welded to the upper part of the inner plate of the D-pillar. The bottom plate, the vertical plate and the support plate form a groove-shaped plate with an opening facing the inside of the vehicle in the vehicle width direction.
[0005] Compared with the prior art, the present invention has the following beneficial effects:
[0006] By welding the base plate to the seat back top plate and the support plate to the upper part of the D-pillar inner plate, a ring-shaped path is formed between the channel plate and the rear side of the vehicle body, which can stabilize the rear body structure and effectively improve the problems of rear body vibration and Y-axis sway under high-speed driving conditions, thereby reducing road noise and improving the comfort of rear passengers. Attached Figure Description
[0007] Figure 1 This is a schematic diagram of the overall structure of the rear side panel of the vehicle body.
[0008] Figure 2 for Figure 1 A partially enlarged view of the installation location of the middle channel plate;
[0009] Figure 3 , Figure 4 These are schematic diagrams of the trough-shaped plate structure from both inside and outside the vehicle. Detailed Implementation
[0010] Please see Figure 1-4As shown, a rear side panel structure of a vehicle body has a bottom plate 12 that is generally flat welded to the upper surface of the seat back top plate 30. The bottom plate 12 is connected to an upwardly extending vertical plate 13 along the outer edge of the bottom plate 12 in the vehicle length direction. A support plate 11 is connected to the upper edge of the vertical plate 13 from bottom to top and from outside to inside diagonally. The support plate 11 is welded to the upper part 20 of the inner plate of the D-pillar. The bottom plate 12, the vertical plate 13 and the support plate 11 form a grooved plate 10 with an opening facing the inside of the vehicle in the vehicle width direction.
[0011] In this application, "upper" and "lower" and "inner" and "outer" are all based on the vehicle body. The direction where the upper part of the vehicle body is located is "upper", the direction where the lower part of the vehicle body is located is "lower", the area inside the vehicle body is "inner", and the area outside the vehicle body is "outer". By welding the bottom plate 12 of the channel plate 10 to the seat back top plate 30, and welding the support plate 11 of the channel plate 10 to the upper part 20 of the D-pillar inner plate, a D-pillar ring path is formed between the channel plate 10 and the rear side of the vehicle body, which can stabilize the rear vehicle body structure. This can effectively improve the problems of rear vehicle body vibration and Y-axis sway under high-speed driving conditions, thereby reducing road noise and improving the comfort of rear passengers.
[0012] The support plate 11 has downward support plate flanges 111 on both the front and rear sides along the length of the vehicle. The support plate flanges 111 are arranged perpendicular to the length of the vehicle. The support plate flanges 111 can improve the rigidity and deformation resistance of the edge of the support plate 11, making the overall structure of the channel plate 10 more stable.
[0013] A through hole 112 is provided in the middle of the support plate 11; the through hole 112 is provided to reduce weight and also to adapt to the structure on the upper part 20 of the inner plate of the D column.
[0014] The two vertical edges of the vertical plate 13 are respectively provided with vertical plate flanges 131 extending along the vehicle width direction and into the vehicle; the provision of vertical plate flanges 131 can improve the rigidity and deformation resistance of the edge of the vertical plate 13, making the overall structure of the channel plate 10 more stable.
[0015] The upper end of the upright plate flange 131 and the lower end of the support plate flange 111 are connected in a close fit. Through the close fit between the upright plate flange 131 and the support plate flange 111, the upright plate 13 and the support plate 11 form a more tightly integrated whole structure, which improves the overall rigidity and impact resistance.
[0016] The floor plate 12 has a notch 121 along the length of the vehicle, with the notch pointing towards the front of the vehicle; the seat belt retractor in the seat back assembly is installed in the area below the notch 121, so that the seat belt can pass through the notch 121.
[0017] The lower edges of the front and rear flanges 111 of the support plate 11 are respectively provided with outward-curving strips 1111 extending towards the front and rear of the vehicle, and the outward-curving strips 1111 are perpendicular to the flanges 111 of the support plate; the outward-curving strips 1111 further improve the rigidity and deformation resistance of the edge of the support plate 11.
Claims
1. A vehicle body rear quarter structure, characterised in that: The seat backrest top plate (30) is welded with a bottom plate (12) which is flat as a whole, and the bottom plate (12) is sequentially connected with an upward extending vertical plate (13) at the outer side edge in the vehicle length direction, and the upper edge of the vertical plate (13) is sequentially connected with a support plate (11) from bottom to top and from outside to inside, the support plate (11) is welded with the D column inner plate upper section (20), and the bottom plate (12), the vertical plate (13) and the support plate (11) form a groove type plate (10) with an opening facing the vehicle interior in the vehicle width direction.
2. The vehicle body rear side structure according to claim 1, characterized by: The support plate (11) is provided with downward support plate flanges (111) at the front and rear side edges in the vehicle length direction, and the support plate flanges (111) are arranged vertically to the vehicle length direction as a whole.
3. The body rear side structure according to claim 1, characterized by: A through hole (112) is formed in the middle of the support plate (11).
4. The vehicle body rear side structure according to claim 2, characterized by: The two vertical edges of the vertical plate (13) are respectively provided with vertical plate flanges (131) extending along the vehicle width direction and into the vehicle interior.
5. The vehicle body rear side structure according to claim 4, characterized by: The upper end of the vertical plate flange (131) is connected with the lower end of the support plate flange (111) in a mutually adhering manner.
6. The body rear quarter structure according to claim 1, characterized by: The plate surface of the bottom plate (12) is provided with a notch portion (121) in the vehicle length direction, and the notch points to the vehicle head direction.
7. The body rear side structure according to claim 2, characterized by: The lower edges of the support plate flanges (111) on the front and rear sides of the support plate (11) are respectively provided with outward turning strips (1111) extending to the vehicle head and extending to the vehicle tail, and the outward turning strips (1111) are vertically to the support plate flanges (111) as a whole.