Covering frame structure, body-in-white assembly and vehicle

Abstract

Provided in the present application are a covering frame structure, a body-in-white assembly and a vehicle. The covering frame structure comprises a covering frame snap-fitted with the upper end of a floor assembly, wherein the front end of the covering frame is connected to the floor assembly by means of a first connection structure; a first anti-resonance cavity is formed between the first connection structure and the covering frame by means of enclosure; the rear end of the covering frame is connected to the floor assembly by means of a second connection structure; the second connection structure comprises a second connection plate fixedly connected to the rear end of the covering frame and a third connection plate fixedly connected to the second connection plate; and a second anti-resonance cavity is formed between the second connection plate and the third connection plate by means of enclosure. The present application can improve the NVH performances of an entire vehicle, and achieves a lightweight design and also enhances the torsional rigidity performance of a body-in-white.

Description

A package frame structure, a body-in-white assembly, and a vehicle Technical Field

[0001] This application relates to the field of automotive technology, and more specifically, to a wrapping frame structure, a body-in-white assembly, and a vehicle. Background Technology

[0002] As a key component responsible for the torsional stiffness of the body-in-white, the wrap frame plays a significant role in the overall driving performance and NVH performance of the vehicle. Existing models mainly use welded sheet metal stamping parts for the wrap frame. Once resonance occurs, it is easy to generate significant vibration and noise, resulting in a significant decrease in NVH performance. Secondly, due to the large weight of the parts and weak resistance to deformation, the torsional stiffness of the body-in-white is poor, which also leads to poor overall vehicle power economy.

[0003] Based on the above, there is an urgent need for a wrapping frame structure that can improve the NVH performance of vehicles and enhance the torsional stiffness of the body-in-white while meeting lightweight design requirements.

[0004] Summary of the Invention

[0005] The purpose of this application is to provide a wrapping frame structure, a body-in-white assembly, and a vehicle, overcoming the technical problems existing in the prior art. The specific solution is as follows:

[0006] A parcel rack structure includes: a parcel rack fastened to the upper end of a floor assembly; the front end of the parcel rack is connected to the floor assembly via a first connecting structure; wherein, the first connecting structure and the parcel rack form a first anti-resonance cavity; the rear end of the parcel rack is connected to the floor assembly via a second connecting structure; the second connecting structure includes: a second connecting plate fixedly connected to the rear end of the parcel rack and a third connecting plate fixedly connected to the second connecting plate; wherein, the second connecting plate and the third connecting plate form a second anti-resonance cavity.

[0007] Furthermore, the first connection structure includes: a connection body with an opening at the upper end; the space inside the connection body is a first anti-resonance cavity; a first connector extending outward from the front edge of the connection body and fixedly connected to the package rack; at least two transverse reinforcing grooves are provided in the length direction of the first connector; at least three vertical reinforcing grooves are arranged along the length direction on the inner side of the front wall of the connection body; wherein, a transverse reinforcing groove is arranged between two adjacent vertical reinforcing grooves; a plurality of locking threaded holes for bolts to pass through are arranged at the bottom of the grooves of the connection body; and a second connector for adhesive fixing to the package rack is provided at the rear edge of the connection body.

[0008] Furthermore, the package rack has an overall L-shaped structure; a central reinforcing plate is provided on the inner surface of the bent part of the package rack; the upper end of the central reinforcing plate has a first inner groove, and the lower end of the package rack is correspondingly provided with a second inner groove; wherein, the first inner groove and the second inner groove are engaged to form a third anti-resonance cavity.

[0009] Furthermore, a third connector is provided at the front edge of the central reinforcing plate; the outer surface of the third connector is provided with a plurality of reinforcing ribs;

[0010] The left and right sides of the central reinforcing plate are provided with fourth connectors that are attached and fixed to the package frame; the connection between the fourth connector and the central reinforcing plate is provided with reinforcing ribs.

[0011] Furthermore, the second connecting plate is an inverted U-shaped structure; a third connecting plate is provided at the lower opening of the second connecting plate; a first receiving member is provided at the front end of the second connecting plate to be glued and fixed to the package rack; arc-shaped limiting members for restricting the package rack are provided on the left and right sides of the first receiving member; and a guide groove is provided at the rear end of the second connecting plate.

[0012] Furthermore, the third connecting plate is provided with at least two weight-reducing holes; the bottom of the third connecting plate is provided with a U-shaped reinforcing boss along its length; a number of limiting protrusions are provided on the third connecting plate behind the reinforcing boss; the middle of the limiting protrusions is provided with an air hole communicating with the second anti-resonance cavity; the front end of the third connecting plate is connected and fixed to the second connecting plate and the packaging frame by bolts; the rear end of the third connecting plate is glued and fixed to the packaging frame.

[0013] Furthermore, the rear horizontal portion of the package rack is provided with a square weight-reducing hole; the rear edge of the square weight-reducing hole is provided with a first connecting flange for adhesive fixation to the floor assembly; the left and right sides of the horizontal portion of the package rack are provided with second connecting flanges for connection fixation to the floor assembly; the outer center of the front vertical portion of the package rack is provided with a support boss; controller mounting slots are arranged on both sides of the support boss on the package rack; strip-shaped reinforcing bosses are arranged on the left and right sides of the vertical portion of the package rack near the edge; third connecting flanges for connection fixation to the floor assembly are arranged on both sides of the vertical portion; and a fourth connecting flange for connection fixation to the connecting body and the floor assembly is provided at the bottom of the vertical portion.

[0014] Furthermore, the package frame, the first connecting structure, the second connecting structure, and the central reinforcing plate are all made of carbon fiber and each includes at least three layers of carbon fiber fabric; wherein, resin is filled between and inside the carbon fiber fabric layers.

[0015] A body-in-white assembly includes a floor assembly; the aforementioned wrapping frame structure is mounted on the upper end of the floor assembly.

[0016] A vehicle comprising the aforementioned body-in-white assembly.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] This invention provides a wrapping frame structure, a body-in-white assembly, and a vehicle. This application utilizes a first anti-resonance cavity formed between the first connecting structure and the wrapping frame, and a second anti-resonance cavity formed between the second connecting plate and the third connecting plate, to prevent the wrapping frame from resonating and generating vibration noise, thus improving the overall NVH performance of the vehicle. Simultaneously, the wrapping frame structure, made entirely of carbon fiber, has superior specific strength and specific modulus compared to metal materials in the prior art, exhibiting strong resistance to deformation of the floor assembly. This significantly improves the overall torsional stiffness of the body-in-white, thereby enhancing the vehicle's driving performance, overall performance, and driving safety. Attached Figure Description

[0019] Figure 1 is a schematic diagram of the overall structure of the parcel rack;

[0020] Figure 2 is a schematic diagram of the connection structure between the parcel rack structure and the floor assembly;

[0021] Figure 3 is a schematic diagram of the internal structure of the parcel rack;

[0022] Figure 4 is a schematic diagram of the front end of the parcel rack structure;

[0023] Figure 5 is the AA section view of Figure 4;

[0024] Figures 6 and 7 are schematic diagrams of the first connection structure from two angles;

[0025] Figure 8 is a schematic diagram of the inner structure of the parcel rack;

[0026] Figures 9 and 10 are schematic diagrams of the upper and lower ends of the middle reinforcing plate at two angles;

[0027] Figures 11 and 12 are schematic diagrams of the upper and lower ends of the second connecting structure at two angles.

[0028] In the picture:

[0029] 1. Package rack; 10. Fourth connecting flange; 11. Second inner groove; 12. Third anti-resonance cavity; 13. Square weight reduction hole; 14. First connecting flange; 15. Second connecting flange; 16. Support boss; 17. Controller mounting slot; 18. Strip reinforcing boss; 19. Third connecting flange;

[0030] 2. First connection structure;

[0031] 21. Connecting the main body;

[0032] 22. First anti-resonance cavity;

[0033] 23. First connector;

[0034] 24. Transverse reinforcing groove;

[0035] 25. Second connector;

[0036] 26. Vertical reinforcing groove;

[0037] 3. Second connection structure;

[0038] 31. Second connecting plate; 310. First receiving component; 311. Arc-shaped limiting component; 312. Guide channel;

[0039] 32. Third connecting plate; 320. Weight reduction hole; 321. Reinforcing boss; 322. Limiting protrusion;

[0040] 33. Second anti-resonance cavity;

[0041] 4. Floor assembly;

[0042] 5. Central reinforcing plate; 51. First inner groove; 52. Third connector; 53. Fourth connector. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to Figures 1-12. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0044] It should be understood that although the terms first, second, third, etc., may be used in the embodiments of this application, these descriptions should not be limited to these terms. These terms are only used to distinguish the descriptions. For example, first may also be referred to as second without departing from the scope of the embodiments of this application, and similarly, second may also be referred to as first.

[0045] This application provides a parcel rack structure, including: a carbon fiber parcel rack 1 fastened to the upper end of a floor assembly 4; the parcel rack 1 divides the space above the floor assembly 4 into a passenger compartment and a luggage compartment; the front end of the parcel rack 1 is connected to the floor assembly 4 via a first connecting structure 2; wherein, the first connecting structure 2 and the parcel rack 1 form a first anti-resonance cavity 22; the rear end of the parcel rack 1 is connected to the floor assembly 4 via a second connecting structure 3; the second connecting structure 3 includes: a second connecting plate 31 fixedly connected to the rear end of the parcel rack 1 and a third connecting plate 32 fixedly connected to the second connecting plate 31; wherein, the second connecting plate 31 and the third connecting plate 32 form a second anti-resonance cavity 33.

[0046] This application utilizes the first connecting structure 2 and the wrapping frame 1 to form a first anti-resonance cavity 22, and the second connecting plate 31 and the third connecting plate 32 to form a second anti-resonance cavity 33, to prevent the wrapping frame 1 from resonating and generating vibration noise, thereby improving the overall NVH performance of the vehicle. In this embodiment, the wrapping frame 1, the first connecting structure 2, and the second connecting structure 3 are all made of carbon fiber. This design, while meeting the requirements of lightweighting, has excellent specific strength and specific modulus compared to metal materials in the prior art, and has strong resistance to deformation of the floor assembly 4, which significantly improves the overall torsional stiffness performance of the body-in-white, thereby improving the driving performance, overall performance, and driving safety performance of the vehicle.

[0047] Optionally, the first connecting structure 2 includes: a connecting body 21 with an opening at the upper end; the connecting body 21 is generally U-shaped; the space inside the connecting body 21 is a first anti-resonance cavity 22; a first connecting member 23 is provided on the front edge of the connecting body 21 and is attached and fixed to the package frame 1; two transverse reinforcing grooves 24 are provided in the length direction of the first connecting member 23; three vertical reinforcing grooves 26 are arranged along the length direction on the inner side of the front wall of the connecting body 21; wherein, a transverse reinforcing groove 24 is arranged between two adjacent vertical reinforcing grooves 26; a plurality of locking threaded holes for bolts to pass through are arranged at the bottom of the grooves of the connecting body 21; and a second connecting member 25 is provided on the rear edge of the connecting body 21 and is attached and fixed to the package frame 1.

[0048] Specifically, in this embodiment, the space inside the connecting body 21 is a first anti-resonance cavity 22. The advantage of this design is that the first anti-resonance cavity 22 reduces the resonance phenomenon of the package rack 1. Secondly, by setting the connecting body 21, the overall connection strength between the package rack 1 and the floor assembly 4 is improved while meeting the requirements of lightweight design. Furthermore, the bottom of the connecting body 21 is fixed to the floor assembly 4 by bolts, and structural adhesive is also provided between the bottom of the connecting body 21 and the floor assembly 4. The advantage of this design is that the overall connection strength between the connecting body 21 and the floor assembly 4 is improved by bolting and bonding.

[0049] Optionally, the package rack 1 has an overall L-shaped structure; a central reinforcing plate 5 is attached to the inner surface of the bent part of the package rack 1; the upper end of the central reinforcing plate 5 has a first inner groove 51, and the lower end of the package rack 1 has a corresponding second inner groove 11; wherein, the first inner groove 51 and the second inner groove 11 are fastened together to form a third anti-resonance cavity 12; the advantage of this design is that, through the third anti-resonance cavity 12 formed by the fastening of the first inner groove 51 and the second inner groove 11, the phenomenon of resonance of the package rack 1 is further reduced, thereby reducing vibration noise. Secondly, the design of the central reinforcing plate 5 improves the overall stability of the package rack 1. At the same time, structural adhesive is provided at the contact part between the outer end face of the central reinforcing plate 5 and the floor assembly 4. The advantage of this design is that it improves the connection stability between the package rack 1 and the floor assembly 4.

[0050] Optionally, a third connector 52 is provided at the front edge of the central reinforcing plate 5; the outer surface of the third connector 52 is provided with a plurality of reinforcing ribs;

[0051] The left and right sides of the central reinforcing plate 5 are provided with fourth connecting parts 53 that are attached to the package frame 1; the connection between the fourth connecting parts 53 and the central reinforcing plate 5 is provided with reinforcing ribs, and a number of reinforcing ribs are provided on the front end face of the fourth connecting parts 53.

[0052] Optionally, the second connecting plate 31 is an inverted U-shaped structure; a third connecting plate 32 is provided at the lower opening of the second connecting plate 31; a first receiving member 310 is provided at the front end of the second connecting plate 31 to be glued and fixed to the package frame 1; arc-shaped limiting members 311 that restrict the package frame 1 are provided on the left and right sides of the first receiving member 310; and a guide groove 312 is provided at the rear end of the second connecting plate 31.

[0053] Specifically, this application uses arc-shaped limiting members 311 provided on both sides of the first receiving member 310 to limit the installation of the rear end of the parcel rack 1, wherein the first receiving member 310 and the parcel rack 1 are fixed by adhesive.

[0054] Optionally, the third connecting plate 32 is provided with two weight-reducing holes 320; the bottom of the third connecting plate 32 is provided with a U-shaped reinforcing boss 321 along the length direction; a plurality of limiting protrusions 322 are provided on the third connecting plate 32 behind the reinforcing boss 321; the limiting protrusions 322 are provided with an air hole in the middle that communicates with the second anti-resonance cavity 33; the advantage of this design is that the limiting protrusions 322 can ensure that there is a gap between the third connecting plate 32 and the floor assembly 4 for applying structural adhesive. During installation, while fixing the third connecting plate 32 and the floor assembly 4 with bolts, the thickness of the structural adhesive can also be ensured; the design of the air hole avoids resonance of the wrapping frame and further prevents the second anti-resonance cavity 33 from generating echo noise.

[0055] The front end of the third connecting plate 32 is connected and fixed to the first receiving part 310 of the second connecting plate 31, the package frame 1 and the floor assembly 4 by bolts; the rear end of the third connecting plate 32 is glued and fixed to the package frame 1.

[0056] Specifically, the first receiving component 310 is provided with several first threaded holes, the first receiving component 310 is provided with a second threaded hole at a corresponding position, the package frame 1 is provided with a third threaded hole at a corresponding position, and the floor assembly 4 is provided with a fourth threaded hole at a corresponding position. During installation, the package frame 1, the first receiving component 310, and the third connecting plate 32 are locked and fixed to the floor assembly 4 with bolts. At the same time, the contact area between the first receiving component 310 and the floor assembly 4 is coated with structural adhesive. The advantage of this design is that, through screwing and bonding, the connection stability and connection strength between the second connecting structure 3 and the floor assembly 4 and the package frame 1 are ensured.

[0057] Optionally, a square weight-reducing hole 13 is provided at the horizontal rear end of the package rack 1; the square weight-reducing hole 13 is located at the top of the luggage compartment; the design advantages of the square weight-reducing hole 13 are: firstly, it reduces the overall weight of the package rack 1 and saves material costs; secondly, vehicle equipment components, such as speakers, can be installed at the square weight-reducing hole 13.

[0058] The rear edge of the square weight-reducing hole 13 is provided with a first connecting flange 14 that is glued and fixed to the floor assembly 4; the left and right sides of the horizontal part of the package rack 1 are provided with second connecting flanges 15 that are glued and fixed to the floor assembly 4; a support boss 16 is provided on the outer middle of the vertical part at the front end of the package rack 1; the surface of the support boss 16 is continuous and smooth, and can be used to install and fix accessories, such as package rack guards, wire harnesses, etc.

[0059] The support boss 16 has controller mounting slots 17 on both sides of the package frame 1; the vertical part of the package frame 1 has strip-shaped reinforcing bosses 18 on the left and right sides near the edge; the vertical part has third connecting flanges 19 that are glued and fixed to the floor assembly 4 on both sides; the bottom of the vertical part has a fourth connecting flange 10 that is glued and fixed to the connecting body 21 and the floor assembly 4.

[0060] Specifically, the second connecting flange 15, the third connecting flange 19, and the fourth connecting flange 10 are all provided with a number of bolt holes for connection and fixation with the floor assembly 4. The advantage of this design is that, by using bolted and adhesive fixing methods to fix the first connecting flange 14, the second connecting flange 15, the third connecting flange 19, and the fourth connecting flange 10 on the wrapping frame 1 to the floor assembly 4, combined with the design layout of the support boss 16 and the strip-shaped reinforcing boss 18, the overall connection stability, firmness, and connection strength of the wrapping frame 1 are improved, avoiding the situation where the wrapping frame 1 is loose, generating vibration and noise, and reducing the NVH performance of the whole vehicle.

[0061] Optionally, the package frame 1, the first connecting structure 2, the second connecting structure 3, and the central reinforcing plate 5 are made of carbon fiber and each includes four layers of carbon fiber fabric; wherein, resin is filled between and inside the carbon fiber fabric layers.

[0062] Specifically, the package frame 1, the first connecting structure 2, the second connecting structure 3, and the central reinforcing plate 5 described in this application are manufactured using thermoplastic or thermosetting molding processes.

[0063] Specifically: Four layers of carbon fiber fabric are laid one by one onto the surface of the mold. After the carbon fiber fabric is laid, a vacuum bag is attached. Then, a vacuum is drawn and resin is injected until the resin completely penetrates the internal gaps of the carbon fiber fabric layer and wraps the carbon fiber fabric layer. After the resin cures, the vacuum bag is removed and the mold is demolded.

[0064] It is understood that the wrapping frame 1, the first connecting structure 2, the second connecting structure 3, and the central reinforcing plate 5 described in this application are made of carbon fiber, which reduces the overall weight of the product and achieves the design requirement of lightweighting. At the same time, the excellent specific strength and specific modulus of carbon fiber are used to improve the torsional stiffness performance of the body-in-white. Furthermore, based on the structural design of the first connecting structure 2, the second connecting structure 3, the central reinforcing plate 5, and the wrapping frame 1, resonance phenomena are avoided, which would affect the NVH performance of the entire vehicle.

[0065] This application provides a body-in-white assembly, including a floor assembly 4, wherein a wrapping frame structure as described in any one of claims 1-8 is mounted on the upper end of the floor assembly 4.

[0066] This application provides a vehicle including the aforementioned body-in-white assembly.

[0067] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.

Claims

1. A parcel shelf structure characterised in that, The utility model relates to a package frame (1) is buckled on the upper end of floor assembly (4), and the front end of package frame (1) is connected with floor assembly (4) through first connecting structure (2), wherein first connecting structure (2) and package frame (1) form first anti-resonance cavity (22) between, and the rear end of package frame (1) is connected with floor assembly (4) through second connecting structure (3), and second connecting structure (3) includes second connecting plate (31) fixedly connected with the rear end of package frame (1) and third connecting plate (32) fixedly connected with second connecting plate (31), wherein second connecting plate (31) and third connecting plate (32) form second anti-resonance cavity (33) between. The utility model relates to a package frame (1) is buckled on the upper end of floor assembly (4), and the front end of package frame (1) is connected with floor assembly (4) through first connecting structure (2), wherein first connecting structure (2) and package frame (1) form first anti-resonance cavity (22) between, and the rear end of package frame (1) is connected with floor assembly (4) through second connecting structure (3), and second connecting structure (3) includes second connecting plate (31) fixedly connected with the rear end of package frame (1) and third connecting plate (32) fixedly connected with second connecting plate (31), wherein second connecting plate (31) and third connecting plate (32) form second anti-resonance cavity (33) between.

2. The wrapper structure of claim 1, wherein, The utility model relates to a package frame (1) is buckled on the upper end of floor assembly (4), and the front end of package frame (1) is connected with floor assembly (4) through first connecting structure (2), wherein first connecting structure (2) and package frame (1) form first anti-resonance cavity (22) between, and the rear end of package frame (1) is connected with floor assembly (4) through second connecting structure (3), and second connecting structure (3) includes second connecting plate (31) fixedly connected with the rear end of package frame (1) and third connecting plate (32) fixedly connected with second connecting plate (31), wherein second connecting plate (31) and third connecting plate (32) form second anti-resonance cavity (33) between.

3. The wrapper structure of claim 2, wherein, The utility model relates to a package frame (1) is buckled on the upper end of floor assembly (4), and the front end of package frame (1) is connected with floor assembly (4) through first connecting structure (2), wherein first connecting structure (2) and package frame (1) form first anti-resonance cavity (22) between, and the rear end of package frame (1) is connected with floor assembly (4) through second connecting structure (3), and second connecting structure (3) includes second connecting plate (31) fixedly connected with the rear end of package frame (1) and third connecting plate (32) fixedly connected with second connecting plate (31), wherein second connecting plate (31) and third connecting plate (32) form second anti-resonance cavity (33) between.

4. The wrapper structure of claim 3, wherein, The utility model relates to a package frame (1) is buckled on the upper end of floor assembly (4), and the front end of package frame (1) is connected with floor assembly (4) through first connecting structure (2), wherein first connecting structure (2) and package frame (1) form first anti-resonance cavity (22) between, and the rear end of package frame (1) is connected with floor assembly (4) through second connecting structure (3), and second connecting structure (3) includes second connecting plate (31) fixedly connected with the rear end of package frame (1) and third connecting plate (32) fixedly connected with second connecting plate (31), wherein second connecting plate (31) and third connecting plate (32) form second anti-resonance cavity (33) between. ​ 5. The wrapper structure of claim 4, wherein, ​ 6. The wrapper structure of claim 5, wherein, The third connecting plate (32) is provided with at least two lightening holes (320); the bottom of the third connecting plate (32) is provided with a U-shaped reinforcing boss (321) along the length direction; the rear side of the third connecting plate (32) is provided with a plurality of limiting protrusions (322) on the reinforcing boss (321); the middle part of the limiting protrusions (322) is provided with air holes in communication with the second anti-resonance cavity (33); the front end part of the third connecting plate (32) is connected and fixed with the first receiving part (310) of the second connecting plate (31) and the wrapping rack (1) through bolts; and the rear end part of the third connecting plate (32) is adhesively fixed with the wrapping rack (1).

7. The wrapper structure of claim 6, wherein, The rear end horizontal part of the wrapping rack (1) is provided with a square lightening hole (13); the rear edge of the square lightening hole (13) is provided with a first connecting flange (14) adhesively fixed with the floor assembly (4); the left and right sides of the horizontal part of the wrapping rack (1) are provided with second connecting flanges (15) fixedly connected with the floor assembly (4); the middle part of the outer side of the vertical part of the front end of the wrapping rack (1) is provided with a supporting boss (16); the left and right sides of the supporting boss (16) are provided with controller installation grooves (17) on the wrapping rack (1); the left and right sides of the vertical part of the wrapping rack (1) are provided with strip-shaped reinforcing bosses (18) near the edge part; the left and right sides of the vertical part are provided with third connecting flanges (19) fixedly connected with the floor assembly (4); and the bottom of the vertical part is provided with a fourth connecting flange (10) fixedly connected with the connecting main body (21) and the floor assembly (4).

8. The wrapper shelf structure of claim 3, wherein, The wrapping rack (1), the first connecting structure (2), the second connecting structure (3) and the middle reinforcing plate (5) are made of carbon fiber material and each includes at least three layers of carbon fiber fabric layers; and the carbon fiber fabric layers are filled with resin.

9. A body-in-white assembly characterized by, The floor assembly (4) is provided with the wrapping rack structure according to any one of claims 1-8.

10. A vehicle characterized by comprising: The body-in-white assembly is provided with the wrapping rack structure according to claim 9.

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