Floor assembly, luggage compartment and vehicle

Abstract

The utility model provides a kind of bottom plate assembly, luggage compartment and vehicle, it is related to vehicle technical field, the bottom plate assembly provided by the utility model includes decorative plate subassembly, support and first connecting component;Decorative plate subassembly is equipped with joint;Support is integrally formed structure, the top of support is connected with decorative plate subassembly by first connecting component and includes protruding portion in joint, the bottom of support has support end, support end is below decorative plate subassembly along vertical direction and is used to support on frame.The bottom plate assembly provided by the utility model can reduce the operation step of installation process, reduce the technical difficulty of assembly process, while improve the sealing reliability of joint.

Description

Technical Field

[0001] This utility model relates to the field of transportation technology, and in particular to a floor assembly, luggage compartment and vehicle. Background Technology

[0002] With the continuous development of the automotive industry and the increasing demands of consumers for vehicle quality, the design of car luggage compartments not only needs to meet basic storage functions, but also needs to take into account multiple factors such as ease of installation and maintenance, production cost control, and visual aesthetics.

[0003] like Figure 1 As shown, the existing automotive luggage compartment floor assembly includes components such as a decorative panel 1, rubber damping pads 2, countersunk self-tapping screws, a rectangular plate 3, and L-shaped support members 4. The assembly process requires first welding L-shaped support members 4 to both sides of the rectangular plate 3 to form a basic frame. Then, rubber damping pads 2 are laid on top of the L-shaped support members 4 as a buffer layer. Subsequently, the decorative panel 1, rubber damping pads 2, and the basic frame are fixedly connected using countersunk self-tapping screws. Finally, sealant is applied to the joints and countersunk self-tapping screw locations.

[0004] While the aforementioned structural design achieves vibration and noise reduction, the installation process becomes more complex due to the need to weld L-shaped support members 4 to both sides of the rectangular plate 3. To ensure a flat final assembly of each decorative panel 1, the welding position accuracy of the two L-shaped support members 4 must be controlled to minimize height differences at the joints of the decorative panels 1, increasing the difficulty of ensuring the flatness of the decorative panels 1. Furthermore, because the L-shaped support members 4 are suspended on both sides of the rectangular plate 3, they cannot provide stable support for the decorative panels 1, making the joints of the decorative panels 1 prone to sealing failure. Utility Model Content

[0005] The purpose of this utility model is to provide a floor assembly that reduces the number of steps in the installation process, lowers the technical difficulty of the assembly process, and improves the sealing reliability of the joints. Additionally, it provides a luggage compartment including the aforementioned floor assembly and a vehicle including the aforementioned luggage compartment.

[0006] To achieve the above objectives, the present invention provides the following technical solution: In a first aspect, the present invention provides a base plate assembly, including a decorative panel assembly, a support member and a first connecting assembly; The decorative panel assembly has seams; The support member is a one-piece molded structure. The top of the support member is connected to the decorative panel assembly through a first connecting component and includes a protrusion extending into the seam. The bottom of the support member has a support end, which is located vertically below the decorative panel assembly and is used to support the vehicle frame.

[0007] In an optional embodiment, the support member further includes a first support portion and a second support portion; The top ends of the first support portion and the second support portion are both connected to the decorative panel assembly through the first connecting component, and the bottom ends of the first support portion and the second support portion are both support ends; The protrusion connects the first support portion and the second support portion and extends into the joint.

[0008] In an optional embodiment, both the first support portion and the second support portion include a first support plate and a second support plate; The first support plate is connected to the decorative panel assembly via the first connecting component. One end of the first support plate in the horizontal direction is connected to the protrusion, and the other end in the horizontal direction is perpendicularly connected to the second support plate. The end of the second support plate furthest from the first support plate is the support end.

[0009] In an optional embodiment, a buffer layer is provided between the first support plate and the decorative panel assembly.

[0010] In an optional embodiment, the protrusion includes a first plate, a second plate, and a third plate; Both the first plate and the third plate extend vertically and are arranged opposite each other in the horizontal direction. The second plate is vertically connected between the first plate and the third plate; The first support portion is connected to the first plate, and the second support portion is connected to the third plate.

[0011] In an optional embodiment, the decorative panel assembly includes a first decorative panel and a second decorative panel, wherein the first decorative panel is an integrally formed whole panel structure, the second decorative panel is an integrally formed whole panel structure, and the joint is formed between the first decorative panel and the second decorative panel.

[0012] In an optional embodiment, the base plate assembly further includes a support frame that is vertically connected to the underside of the decorative panel assembly.

[0013] In an optional embodiment, the support frame includes a frame and multiple support beams. The frame is connected to the decorative panel assembly via a second connecting component, and each of the support beams is located within the space enclosed by the frame and is connected to the frame.

[0014] In an optional embodiment, the plurality of support beams are divided into several groups, and in each group of support beams: The ends of each of the support beams furthest from the frame are clustered together and connected to the support member.

[0015] Secondly, the present invention provides a luggage compartment, including a floor assembly as described in any of the foregoing embodiments.

[0016] In an optional embodiment, the luggage compartment includes a first side panel and a second side panel, the first side panel and the second side panel are arranged opposite each other along an extension direction perpendicular to the seam, the decorative panel assembly between the first side panel and the support member is an integrally formed whole panel structure, and the decorative panel assembly between the second side panel and the support member is an integrally formed whole panel structure.

[0017] Thirdly, the present invention provides a vehicle including a floor assembly as described in any of the foregoing embodiments, or including a luggage compartment as described in any of the foregoing embodiments.

[0018] The floor assembly, luggage compartment, and vehicle provided by this utility model can produce the following beneficial effects: 1. The support components adopt an integrated molding structure, eliminating the need for welding with other structures on the assembly site to form a support structure. This significantly reduces welding work in the assembly process and effectively avoids uneven joints in the decorative panels caused by welding deviations, thereby reducing the technical difficulty of the assembly process and the cost of quality control.

[0019] 2. The bottom of the support component is provided with a support end for supporting the vehicle frame. The support end is located vertically below the decorative panel assembly, which can directly transfer the load to the vehicle frame, forming a stable and reliable support system. This makes the joints of the entire floor assembly have a better support effect, effectively preventing the joints from opening or the seal from failing due to dynamic loads, and significantly improving the durability and sealing reliability during long-term use. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a cross-sectional view of the joint of the floor assembly of a car luggage compartment in the prior art; Figure 2 A cross-sectional view of the joint of the base plate assembly provided in an embodiment of this utility model; Figure 3 A top perspective view of a base plate assembly provided for an embodiment of this utility model; Figure 4A top perspective view of another base plate assembly provided in an embodiment of this utility model.

[0022] Icons: 1-Decorative panel; 2-Rubber shock-absorbing pad; 3-Rectangular plate; 4-L-shaped support; 5-Decorative panel assembly; 51-Seam; 52-First decorative panel; 53-Second decorative panel; 6-Support; 61-Protrusion; 611-First plate; 612-Second plate; 613-Third plate; 62-First support part; 621-First support plate; 622-Second support plate; 6221-Support end; 63-Second support part; 7-First connecting assembly; 8-Buffer layer; 9-Support frame; 91-Frame; 92-Support beam; 10-Second connecting assembly. Detailed Implementation

[0023] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0027] The first aspect of this utility model provides a base plate assembly, such as... Figure 2 As shown, it includes a decorative panel assembly 5, a support member 6, and a first connecting assembly 7; The decorative panel assembly 5 is provided with a seam 51; The support member 6 is an integrally molded structure. The top of the support member 6 is connected to the decorative panel assembly 5 through the first connecting component 7 and includes a protrusion 61 extending into the seam 51. The bottom of the support member 6 has a support end 6221, which is located vertically below the decorative panel assembly 5 and is used to support the frame.

[0028] The above embodiment sets the support member 6 as an integrally formed structure. Compared with the traditional solution that requires welding two L-shaped support members 4 to both sides of the rectangular plate 3, no additional welding operation is required, the installation steps are simpler, and assembly errors caused by welding position deviations are avoided. This reduces the requirements for the precision of workers' operations and improves the overall assembly efficiency and consistency.

[0029] In addition, in traditional structures, such as Figure 1 As shown, the L-shaped support 4 is suspended from the side of the rectangular plate 3, providing only edge support. This results in insufficient support force in the joint area of ​​the decorative panel 1, making it prone to bending deformation during vehicle vibrations, which in turn causes the sealant at the joint to crack, leading to seal failure. The above embodiment achieves effective support for the edge of the decorative panel assembly 5 near the joint area by setting the support end 6221 located below the decorative panel assembly 5, which helps maintain long-lasting sealing performance.

[0030] In alternative implementations, such as Figure 2 As shown, the support member 6 also includes a first support portion 62 and a second support portion 63. The first support portion 62 and the second support portion 63 are located on both sides of the joint, and their top ends are fixedly connected to the decorative panel assembly 5 through the first connecting component 7, thereby achieving overall stable support for the decorative panel assembly 5. The bottom ends of the first support portion 62 and the second support portion 63 are each formed with a support end 6221. The support end 6221 is located within the projection range of the decorative panel assembly 5 in the vertical direction and can be directly fixed to the vehicle frame, thereby effectively transferring the load borne by the decorative panel assembly 5 to the frame and improving the structural load-bearing capacity and deformation resistance.

[0031] The first connecting component 7 may employ screws, rivets, snap-fit ​​structures, or combinations thereof, to achieve detachable or fixed connections between the first support portion 62 and the second support portion 63 and the decorative panel component 5, respectively.

[0032] Furthermore, the protrusion 61 is connected between the first support portion 62 and the second support portion 63, and the protrusion 61 extends upward from the connection area between the two support portions and extends into the seam 51 of the decorative panel assembly 5.

[0033] Specifically, the protrusion 61, the first support 62, and the second support 63 are integrally formed structures, requiring no additional welding or assembly processes, thus ensuring the consistency of structural strength and the simplicity of the manufacturing process.

[0034] In alternative implementations, such as Figure 2 As shown, the first support portion 62 and the second support portion 63 both include a first support plate 621 and a second support plate 622, and the first support portion 62 and the second support portion 63 are symmetrically arranged about the left and right sides of the protrusion 61.

[0035] The first support plate 621 is arranged horizontally and fixedly connected to the decorative panel assembly 5 via the first connecting component 7, thereby securely installing the support member 6 at the bottom of the decorative panel assembly 5. One end of the first support plate 621 is connected to the protrusion 61 in the horizontal direction, forming a continuous integrated connection structure, which enhances the overall rigidity and load transmission capacity. The other end of the first support plate 621 is perpendicularly connected to the second support plate 622, and the end of the second support plate 622 away from the first support plate 621 forms a support end 6221.

[0036] Since the second support plate 622 is perpendicularly connected to the first support plate 621, the support end 6221 can effectively transfer the load from the trim panel assembly 5 to the frame.

[0037] Optionally, a connecting plate can be connected between the second support plate 622 of the first support part 62 and the second support plate of the second support part 63, so that the support member 6 forms a closed "convex" shaped structure, thereby enhancing the strength of the support member 6.

[0038] In alternative implementations, such as Figure 2 As shown, a buffer layer 8 is provided between the first support plate 621 and the decorative panel assembly 5.

[0039] The aforementioned buffer layer 8 is disposed between the upper surface of the first support plate 621 and the lower surface of the decorative panel assembly 5, and can be arranged along the entire length of the first support plate 621 to achieve effective elastic support for the decorative panel assembly 5.

[0040] Specifically, the buffer layer 8 is made of non-metallic materials with elasticity and durability, such as rubber, silicone, polyurethane or foam materials, and has good vibration reduction, noise reduction and stress absorption performance.

[0041] The above-described embodiment, by setting a buffer layer 8, can effectively isolate and attenuate the vibration energy transmitted from the frame through the support member 6 to the decorative panel assembly 5 when the chassis structure is excited by the road surface during vehicle operation. This reduces the risk of abnormal noise, fatigue damage, and sealing failure at the joints caused by high-frequency vibration in the decorative panel assembly 5.

[0042] In alternative implementations, such as Figure 2 As shown, the protrusion 61 includes a first plate 611, a second plate 612, and a third plate 613.

[0043] The first plate 611 and the third plate 613 are parallel to each other and arranged opposite each other in the horizontal direction, and both extend in the vertical direction; the second plate 612 is arranged horizontally, and its two ends are respectively vertically connected between the top ends of the first plate 611 and the third plate 613, so that the three plates are connected to form an inverted "U" shaped structure.

[0044] Furthermore, the first support plate 621 in the first support part 62 is connected to the end of the first plate 611 away from the second plate 612; correspondingly, the first support plate 621 in the second support part 63 is connected to the end of the third plate 613 away from the second plate 612. Through the above connection layout, the first support part 62, the second support part 63 and the protrusion 61 form a "convex" structure, and the three together constitute a symmetrical support system. This not only achieves effective embedding and positioning of the joint 51 area of ​​the decorative panel assembly 5, but also reduces the phenomenon of local stress concentration in the support member 6 through the balanced distribution of the mechanical transmission path.

[0045] In alternative implementations, such as Figure 3 and Figure 4 As shown, the decorative panel assembly 5 includes a first decorative panel 52 and a second decorative panel 53.

[0046] The first decorative panel 52 and the second decorative panel 53 mentioned above can be plywood.

[0047] Currently, the most common decorative panel size in the industry is 1220*2440mm. Since the width of the decorative panel is limited to only 1220mm, when the bottom panel spacing is greater than 1220mm, both the first decorative panel 52 and the second decorative panel 53 need to be made by splicing two decorative panels together, resulting in a butt joint of the bottom decorative panels, which reduces the aesthetics.

[0048] In addition, since the splice seams need to be drilled on-site, the holes need to be made into stepped holes to facilitate the concealment of the self-tapping screw ends. It is also necessary to ensure the sealing of the fixing screws. When fixing, the self-tapping screws need to be glued and fixed, which requires a high degree of consistency in operation.

[0049] For the luggage compartment floor assembly, the number of nails required can reach 80-120. To address this issue, the industry typically requires two workers to operate simultaneously on-site to meet production line cycle time, resulting in decreased assembly efficiency. Furthermore, due to this low assembly efficiency, vehicles failing water wading tests must be returned to the workshop for rework, removing and reinstalling the existing trim panels, severely impacting workshop production efficiency.

[0050] To maximize material utilization and reduce waste from sheet metal cutting, and to match different vehicle lengths, in an optional implementation, the first decorative panel 52 and the second decorative panel 53 use decorative panels with different widths such as 1450*2440mm, 1650*2440mm, 1840*2440mm, and 2000*2440mm, instead of the 1220*2440mm decorative panel. This makes both the first decorative panel 52 and the second decorative panel 53 a one-piece molded structure, solving the limitations of the assembly process caused by the butt joint and reducing the cutting and drawing work of the bottom sheet metal in the workshop. At the same time, it can also effectively reduce the number of parts, the amount of sealant used, and the number of nails, saving manufacturing time and avoiding high rework and repair costs, thereby improving the competitiveness of the product.

[0051] In alternative implementations, such as Figure 3 and Figure 4 As shown, the base plate assembly also includes a support frame 9, which is vertically connected to the lower part of the decorative panel assembly 5.

[0052] The support frame 9 has a frame structure, and the top of the support frame 9 is fixedly connected to the bottom surface of the decorative panel assembly 5, thereby directly transferring the load borne by the decorative panel assembly 5 to the main structure of the vehicle body, improving the overall vibration resistance and structural stability.

[0053] In an optional embodiment, the support frame 9 includes a frame 91 and multiple support beams 92. The frame 91 is connected to the decorative panel assembly 5 via a second connecting component 10. Each support beam 92 is located within the space enclosed by the frame 91 and is connected to the frame 91.

[0054] The aforementioned support frame 9 can share the load from the decorative panel assembly 5 and form multi-point support under the decorative panel assembly 5, significantly reducing the risk of deformation caused by vibration and impact during vehicle operation and enhancing the overall load-bearing capacity of the floor assembly.

[0055] Specifically, the frame 91 can be in the form of a ring structure, extending along the outer contour of the decorative panel assembly 5, preferably a rectangular or polygonal structure that approximately matches the shape of the decorative panel assembly, so as to achieve a good fit with the vehicle body structure.

[0056] Additionally, the second connecting component 10 can employ screws, rivets, snap-fit ​​structures, or combinations thereof, to achieve a detachable or fixed connection between the frame 91 and the decorative panel component 5. The connection points are distributed in corresponding areas along the circumferential edges of the frame 91 and the decorative panel component 5, ensuring a stable connection and even stress distribution.

[0057] like Figure 3 and Figure 4As shown, each support beam 92 can be arranged longitudinally, laterally, or diagonally, and the specific arrangement can be optimized according to the mechanical requirements of the decorative panel assembly 5. The number, cross-sectional shape, and material thickness of the support beams 92 can be flexibly adjusted according to the actual load-bearing requirements to balance lightweight and structural strength.

[0058] It is understandable that the above vertical direction can be regarded as the x-direction in the horizontal direction, and the horizontal direction can be regarded as the Y-direction in the horizontal direction.

[0059] In alternative implementations, such as Figure 3 and Figure 4 As shown, the multiple support beams 92 are divided into several groups. In each group of support beams 92, the ends of each support beam 92 that are away from the frame 91 are clustered together and connected to the support member 6.

[0060] Specifically, each set of support beams 92 includes two or more support beams 92 extending from different positions along the frame 91. These support beams 92 are arranged in a converging manner in the direction toward the joint 51, that is, their ends away from the frame 91 converge on both sides of a certain section of the support member 6 and are connected together to the side of the support member 6.

[0061] The support beam 92 can be connected to the frame 91 and the support member 6 by welding, riveting, bolting or other reliable mechanical connection methods.

[0062] The above structural design not only enhances the connection stability of the support member 6, but also fully supports the decorative panel assembly 5, significantly improving the overall structural rigidity and bending resistance of the base plate assembly.

[0063] A second aspect of this utility model provides a luggage compartment, which includes the aforementioned floor assembly.

[0064] In an optional embodiment, the luggage compartment includes a first side panel and a second side panel arranged opposite each other. The first side panel and the second side panel are arranged opposite each other along the extension direction perpendicular to the seam 51 on the decorative panel assembly 5, forming a symmetrical or parallel two-sided enclosure structure. The decorative panel assembly 5 covers the bottom of the luggage compartment and is connected and positioned to the vehicle frame by the support member 6 and the support frame 9.

[0065] The decorative panel assembly 5 located between the first side panel and the support member 6 is a single, integrally formed panel structure, which can be considered as the first decorative panel 52. Similarly, the decorative panel assembly 5 located between the second side panel and the support member 6 is also a single, integrally formed panel structure, which can be considered as the second decorative panel 53. That is, in both sides of the joint 51, the decorative panel assembly 5 adopts a seamless, integrated panel design without splicing or segmentation.

[0066] The above design has the following advantages: 1. Reduced number of vehicle parts: There is no need to weld sealant on the bottom frame of the luggage compartment to support the joint sealant, reducing welding work in the welding workshop; 2. There is no need for workers to measure the bottom dimensions of the luggage compartment on-site according to the drawings. Workers can simply cut and prepare materials on-site based on the drawn dimensions.

[0067] 3. When the traditional first decorative panel 52 and second decorative panel 53 are assembled from spliced ​​panels, there are relatively obvious joints. Approximately 40 shock-absorbing blocks and 40 self-tapping screws are needed to secure the joints. To ensure the flatness of the luggage compartment bottom and the consistency of the height of the different spliced ​​panels, the height of the spliced ​​panels at the joints also needs to be adjusted. More rubber pads need to be inserted to adjust the height of the spliced ​​panels, and sealant needs to be applied to the joints after installation. The above-described implementation uses a single-panel structure for the first decorative panel 52 and second decorative panel 53, eliminating the need for drilling holes in the middle. This avoids the problems of adjusting the height inconsistencies between adjacent spliced ​​panels and the related work of sealing nail holes after drilling, as well as aesthetic improvements.

[0068] 4. When the traditional first and second decorative panels are spliced ​​together, the bottom structure of the frame needs to be flat enough to ensure sealing. After welding the support components, the support components also need to be ground. The above implementation method reduces the number of support components and reduces the difficulty of welding the bottom of the frame.

[0069] 5. When the traditional first and second decorative panels are assembled from spliced ​​panels, the seam is located in the center of the 70mm wide seal, making caulking difficult. If the distance between the caulking point and the edge of the seal deviates by 10mm, the seal at the nailing point may fail. The above-described implementation eliminates the sealing plate at the bottom used to hold the sealant, reducing the risk of sealant failure at the bottom of the luggage compartment due to caulking.

[0070] A third aspect of this utility model provides a vehicle that includes the aforementioned floor assembly or the aforementioned luggage compartment.

[0071] The vehicle provided by the third aspect of this utility model includes the floor assembly provided by the first aspect of this utility model, or includes the luggage compartment provided by the second aspect of this utility model, thereby having all the beneficial effects of the floor assembly provided by the first aspect of this utility model or the luggage compartment provided by the second aspect of this utility model.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A base plate assembly, characterized in that, Includes a decorative panel assembly (5), a support member (6), and a first connecting assembly (7); The decorative panel assembly (5) is provided with a seam (51); The support member (6) is an integrally formed structure. The top of the support member (6) is connected to the decorative panel assembly (5) through the first connecting component (7) and includes a protrusion (61) extending into the seam (51). The bottom of the support member (6) has a support end (6221). The support end (6221) is located below the decorative panel assembly (5) in the vertical direction and is used to support the frame.

2. The base plate assembly according to claim 1, characterized in that, The support member (6) further includes a first support portion (62) and a second support portion (63); The top ends of the first support part (62) and the second support part (63) are connected to the decorative panel assembly (5) through the first connecting component (7), and the bottom ends of the first support part (62) and the second support part (63) are the support ends (6221). The protrusion (61) is connected between the first support (62) and the second support (63) and extends into the seam (51).

3. The base plate assembly according to claim 2, characterized in that, Both the first support portion (62) and the second support portion (63) include a first support plate (621) and a second support plate (622); The first support plate (621) is connected to the decorative panel assembly (5) through the first connecting component (7). One end of the first support plate (621) in the horizontal direction is connected to the protrusion (61), and the other end in the horizontal direction is vertically connected to the second support plate (622). The end of the second support plate (622) away from the first support plate (621) is the support end (6221).

4. The base plate assembly according to claim 3, characterized in that, A buffer layer (8) is provided between the first support plate (621) and the decorative panel assembly (5).

5. The base plate assembly according to claim 2, characterized in that, The protrusion (61) includes a first plate (611), a second plate (612) and a third plate (613). The first plate (611) and the third plate (613) both extend vertically and are arranged opposite each other in the horizontal direction; The second plate (612) is vertically connected between the first plate (611) and the third plate (613); The first support part (62) is connected to the first plate (611), and the second support part (63) is connected to the third plate (613).

6. The base plate assembly according to any one of claims 1-5, characterized in that, The decorative panel assembly (5) includes a first decorative panel (52) and a second decorative panel (53). The first decorative panel (52) is an integrally formed whole panel structure, and the second decorative panel (53) is an integrally formed whole panel structure. The joint (51) is formed between the first decorative panel (52) and the second decorative panel (53).

7. The base plate assembly according to any one of claims 1-5, characterized in that, The base plate assembly also includes a support frame (9), which is vertically connected to the underside of the decorative panel assembly (5).

8. The base plate assembly according to claim 7, characterized in that, The support frame (9) includes a frame (91) and multiple support beams (92). The frame (91) is connected to the decorative panel assembly (5) through a second connecting component (10). Each of the support beams (92) is located within the space enclosed by the frame (91) and is connected to the frame (91).

9. The base plate assembly according to claim 8, characterized in that, The multiple support beams (92) are divided into several groups, and in each group of support beams (92): The ends of each of the support beams (92) away from the frame (91) are clustered together and connected to the support member (6).

10. A luggage compartment, characterized in that, Includes the base plate assembly as described in any one of claims 1-9.

11. The luggage compartment according to claim 10, characterized in that, The luggage compartment includes a first side panel and a second side panel. The first side panel and the second side panel are arranged opposite each other along the extension direction perpendicular to the seam (51). The decorative panel assembly (5) between the first side panel and the support member (6) is an integrally formed whole panel structure. The decorative panel assembly (5) between the second side panel and the support member (6) is also an integrally formed whole panel structure.

12. A vehicle, characterized in that, It includes the floor assembly as described in any one of claims 1-9, or the luggage compartment as described in any one of claims 10-11.

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