A rear quarter assembly and vehicle

Abstract

The application is suitable for the field of automobile manufacturing technology, and provides a rear side wall assembly and a vehicle. The rear side wall assembly comprises a rear side wall outer plate, a rear side wall inner plate and a metal reinforcing pipe. The rear side wall inner plate is arranged on the side of the rear side wall outer plate facing the inside of the vehicle body, the rear side wall inner plate is a one-piece non-metal structure, the rear side wall inner plate comprises a pillar inner plate, a connecting portion and a rocker beam mounting portion connected in sequence, the rocker beam mounting portion is used for connecting with the tail portion of the rocker beam of the vehicle body, part of the structure of the connecting portion protrudes towards the outside of the vehicle body to form a convex rib, one end of the convex rib is connected with the pillar inner plate; the metal reinforcing pipe is arranged on the side of the rear side wall inner plate facing the outside of the vehicle body, one end of the metal reinforcing pipe is connected with the rocker beam mounting portion, and the other end is connected with one end of the convex rib away from the pillar inner plate to form a power transmission path. In this way, the weight of the rear side wall assembly can be reduced, and the torsional stiffness of the vehicle can be increased.

Description

Technical Field

[0001] This application relates to the field of automotive technology, and more particularly to a rear side panel assembly and a vehicle. Background Technology

[0002] With the continuous development of automotive technology, the requirements for vehicle lightweighting are becoming increasingly stringent. The rear side panel assembly is an important part affecting the lightweighting process, hence this application is submitted. Utility Model Content

[0003] To address the aforementioned technical problems, this application provides a rear side panel assembly and a vehicle, which helps to reduce the weight of the rear side panel assembly and also helps to increase the torsional stiffness of the vehicle.

[0004] In a first aspect, embodiments of this application provide a rear side enclosure assembly, including: Rear side panel; The rear side panel is located on the side of the rear side panel facing the interior of the vehicle body. The rear side panel is an integral non-metallic structure. The rear side panel includes a pillar inner panel, a connecting part, and a sill beam mounting part connected in sequence. The sill beam mounting part is used to connect with the rear end of the sill beam of the vehicle body. A part of the connecting part protrudes outward toward the exterior of the vehicle body to form a rib. One end of the rib is connected to the pillar inner panel. A metal reinforcing tube is provided on the side of the rear inner panel facing the outside of the vehicle body. One end of the metal reinforcing tube is connected to the sill beam mounting part, and the other end is connected to the end of the protruding rib away from the inner panel of the pillar, so as to form a power transmission path.

[0005] In the above technical solution, the rear side panel inner panel is designed as a one-piece non-metallic structure. This one-piece non-metallic structure helps reduce the number of parts and the assembly between them, thus contributing to the weight reduction of the rear side panel inner panel and consequently, the weight reduction of the rear side panel assembly. The one-piece structure has no seams, reducing stress concentration points and improving the overall strength and rigidity of the rear side panel inner panel, thereby enhancing its collision resistance and load transfer efficiency. Simultaneously, the portion of the connecting part protrudes outwards from the vehicle body, increasing the moment of inertia of the connecting part and further improving its rigidity. Metal reinforcing tubes reinforce the side of the rear side panel inner panel facing outwards from the vehicle body, further enhancing its rigidity. In other words, the protruding ribs and metal reinforcing tubes contribute to improving the overall rigidity of the rear side panel inner panel, thereby improving the overall rigidity of the rear side panel assembly. Furthermore, a power transmission path is formed by the metal reinforcing tube and the protruding rib, from the sill beam mounting part to the metal reinforcing tube, then to the protruding rib, and finally to the pillar inner panel. When the vehicle is in motion and there are torsional loads, such as during vehicle torsion or cornering, this power transmission path helps to disperse the torsional load. Moreover, the overall stiffness of the rear side panel is enhanced, which helps to increase the vehicle's torsional stiffness, thereby increasing vehicle stability and significantly optimizing NVH (Noise, Vibration, and Harshness) performance and comfort. Compared to related technologies that use metal reinforcing tubes entirely between the sill beam mounting part and the pillar inner panel, this embodiment utilizes the connection between the protruding rib and the metal reinforcing tube to form a power transmission path. While dispersing the torsional load, the non-metallic structure of the protruding rib helps to further reduce the weight of the rear side panel assembly, thus achieving a lightweight design for the rear side panel assembly.

[0006] In some embodiments, the rear side panel assembly includes a metal connection structure connected to the metal reinforcing tube, the metal connection structure being used to connect at least one of a latch and a door opening limiter.

[0007] In the above technical solution, both the door latch and the door opening limiter are used for opening and closing the door. During vehicle use, the door needs to be opened and closed frequently, the door opening limiter also needs to rotate frequently, and the door latch needs to be used frequently to lock the door. That is, the metal connection structure needs to withstand repeated opening and closing cycles. The metal material gives the metal connection structure good fatigue performance, allowing the metal connection structure to maintain its structural integrity during multiple cycles. Moreover, the metal reinforcing tube can provide good support for the metal connection structure, so that the impact force borne by the door latch and the door opening limiter is directly transferred to the metal reinforcing tube, which helps to disperse the impact load. In addition, in this embodiment, on the one hand, the metal reinforcing structure helps to ensure the connection strength of the metal connection structure, and on the other hand, the non-metallic ribs transfer the load of the end of the metal reinforcing tube away from the sill beam mounting part to the inner plate of the pillar, which improves the rigidity of the rear side panel assembly and also helps to achieve the weight reduction of the rear side panel assembly.

[0008] In some embodiments, the rear side panel assembly includes a pillar inner panel reinforcement, the pillar inner panel reinforcement being disposed at the rear end of the pillar inner panel facing the outside of the vehicle body, and a portion of the pillar reinforcement covering the end of the protruding rib near the pillar inner panel; and / or, the rear side panel assembly includes a sill beam mounting reinforcement, the sill beam mounting reinforcement being disposed at the sill beam mounting portion facing the outside of the vehicle body, and a portion of the sill beam mounting reinforcement covering the end of the metal reinforcing tube connected to the sill beam mounting portion.

[0009] In the above technical solution, by setting a pillar inner plate reinforcement, the rear end of the pillar inner plate can be strengthened. Simultaneously, part of the pillar inner plate reinforcement covers the end of the protruding rib near the pillar inner plate, meaning the protruding rib is connected to the pillar inner plate reinforcement. This means the torque load transmitted by the protruding rib can be transmitted not only to the pillar inner plate but also to the pillar inner plate reinforcement, helping to improve the ability to distribute the vehicle body torsional load along the aforementioned power transmission path and further increase the vehicle's torsional stiffness. By setting a sill beam mounting reinforcement, the sill beam mounting portion can be strengthened, thereby increasing its stiffness. Simultaneously, part of the sill beam mounting reinforcement covers the end of the metal reinforcing tube connected to the sill beam mounting portion, meaning the sill beam mounting reinforcement is connected to the metal reinforcing tube. The vehicle body torsional load transmitted by the sill beam is transmitted to the metal reinforcing tube through the sill beam mounting portion and the sill beam mounting reinforcement, helping to improve load transmission efficiency. Furthermore, the sill beam mounting reinforcement covering the end of the metal reinforcing tube also helps reduce the probability of warping at the end of the metal reinforcing tube.

[0010] In some embodiments, the rear side panel assembly includes a connecting plate that covers the connection between the rib and the metal reinforcing tube and connects to the rear side panel inner panel.

[0011] In the above technical solution, the connecting plate increases the connection stability between the metal reinforcing tube and the rib, thereby optimizing the load transfer path. Furthermore, the connecting plate covers the end of the metal reinforcing tube connected to the rib, helping to reduce the likelihood of warping at the end of the metal reinforcing tube.

[0012] In some embodiments, a portion of the connecting plate protrudes outward toward the vehicle body to form a groove on the inner side of the connecting plate toward the vehicle body, and the protruding rib and the metal reinforcing tube are located within the groove.

[0013] In the above technical solution, the groove helps to increase the rigidity of the connecting plate on the one hand, and on the other hand, the groove provides more space for the ends of the ribs and the metal reinforcing tubes, which helps to further increase the connection stability between the metal reinforcing tubes and the ribs.

[0014] In some implementations, the connecting plate is a die-cast, one-piece structure; and / or, the connecting plate is an aluminum component.

[0015] Among the above technical solutions, die casting has high production efficiency, good molding capability for complex shapes, and high surface hardness and overall strength of die-cast parts.

[0016] Aluminum components have good strength and are lightweight, which helps to achieve lightweight connection plates, such as connection plates made of aluminum alloy.

[0017] In some implementations, the thickness of the connecting plate is 2.5 mm to 10 mm.

[0018] In the above technical solution, by controlling the thickness of the connecting plate within the range of 2.5mm to 10mm, it helps to keep the mechanical properties of the connecting plate within a reasonable range.

[0019] In some implementations, the rear side panel assembly includes a first reinforcing rib assembly that is injection molded onto the side of the rear side panel facing outwards from the vehicle body.

[0020] In the above technical solution, the use of the first reinforcing rib assembly to strengthen the rear side inner panel helps to further improve the rigidity and strength of the rear side inner panel.

[0021] In some embodiments, a portion of the first reinforcing rib assembly located at the connection portion has a mounting groove, and the metal reinforcing tube portion is located within the mounting groove.

[0022] In the above technical solution, the installation groove serves to limit the metal reinforcing tube, making it easier to install the metal reinforcing tube to the preset position. This reduces the probability that the metal reinforcing tube will shift relative to the connection part due to external vibrations, vehicle bumps, or other reasons during subsequent use, thus affecting load transmission.

[0023] In some embodiments, the thickness of the first reinforcing rib assembly is 1.4 mm to 5 mm; and / or, the first reinforcing rib assembly protrudes from the outer surface of the rear side panel by 2 mm to 100 mm.

[0024] In the above technical solution, by controlling the thickness of the first reinforcing rib assembly within the range of 1.4mm to 5mm, the first reinforcing rib assembly has sufficient strength and rigidity to meet the mechanical performance requirements of the rear side panel assembly. By controlling the dimension of the first reinforcing rib assembly protruding from the outer surface of the inner rear side panel within the range of 2mm to 100mm, the first reinforcing rib assembly has sufficient strength and rigidity to meet the mechanical performance requirements of the rear side panel assembly.

[0025] In some embodiments, the rib has a recessed cavity on the side facing the interior of the vehicle body, and the rear sidewall assembly includes a second reinforcing rib assembly that is injection molded into the recessed cavity.

[0026] In the above technical solution, by injection molding the second reinforcing rib assembly into the concave cavity, it helps to further improve the rigidity and strength of the convex rib, and further improve the overall rigidity and strength of the rear side inner panel.

[0027] In some embodiments, the depth of the cavity is 2mm to 100mm; And / or, the second reinforcing rib assembly protrudes from the inner wall of the cavity by 10mm to 120mm; And / or, the thickness of the second reinforcing rib assembly is 1.4mm to 5mm.

[0028] In the above technical solution, by controlling the depth of the cavity within the range of 2mm to 100mm, the mechanical properties of the protruding rib are kept within a suitable range. By controlling the dimension of the second reinforcing rib assembly protruding from the inner wall of the cavity within the range of 10mm to 120mm, the degree of reinforcement of the mechanical properties of the protruding rib by the second reinforcing rib assembly is kept within a suitable range. By controlling the thickness of the second reinforcing rib assembly within the range of 1.4mm to 5mm, the degree of reinforcement of the mechanical properties of the protruding rib by the second reinforcing rib assembly is kept within a suitable range.

[0029] In some embodiments, the rear side outer panel and / or the rear side inner panel are molded from non-metallic sheet material comprising multiple layers of continuous fiber composite material.

[0030] In the aforementioned technical solution, molding can accurately guarantee the shape and dimensional precision of the rear side panel outer and / or rear side panel inner, thus ensuring the mechanical properties and structural integrity of the rear side panel outer and / or rear side panel inner. By using continuous fiber composite materials for the rear side panel outer and / or rear side panel inner, the lightweight nature of these materials helps reduce the weight of the rear side assembly, thereby reducing fuel consumption and improving vehicle economy. Continuous fiber composite materials also possess high strength and stiffness, and they do not suffer from rusting issues. Furthermore, their manufacturing process is more environmentally friendly, contributing to reduced carbon emissions. Moreover, using continuous fiber composite materials to manufacture the rear side panel outer and / or rear side panel inner, eliminates the need for stamping, welding, and painting processes, improving manufacturing efficiency and eliminating the need for stamping, welding, and painting workshops, thus reducing vehicle manufacturing costs.

[0031] In some embodiments, the metal reinforcing tube is an extruded, one-piece structure; and / or, the metal reinforcing tube is an aluminum structure.

[0032] Among the above technical solutions, extrusion molding offers high manufacturing efficiency, mature technology, and low cost, allowing for diverse cross-sectional shapes of the metal reinforcing tubes to meet the shape requirements of different vehicle models. Aluminum structures offer good strength and are lightweight, contributing to the weight reduction of the metal reinforcing structure. For example, the metal reinforcing tube can be made of aluminum alloy.

[0033] In some embodiments, the metal reinforcing tube includes a tube body, the cross-section of which is quadrilateral; In a cross-section perpendicular to the tube body, the maximum dimension of the tube body along the left-right direction of the vehicle body is 30mm to 100mm; and / or, the maximum dimension of the tube body along a first direction is 30mm to 100mm, wherein the first direction intersects the left-right direction of the vehicle body.

[0034] The above technical solution helps to keep the outline dimensions of the quadrilateral within a reasonable range, and to keep the size and mechanical properties of the metal reinforcing tube within a suitable range, so that the size of the metal reinforcing tube and the degree of reinforcement of the rear side panel meet the performance requirements of the rear side panel assembly of various vehicle models.

[0035] In some embodiments, the connecting portion includes an outer wheel arch panel and an inner wheel arch panel, the inner wheel arch panel being disposed on the side of the outer wheel arch panel facing the interior of the vehicle body; The inner wheel arch panel is used to connect to the rear floor of the vehicle body; and / or, the outer wheel arch panel is used to connect to the outer rear side panel.

[0036] In the above technical solution, the inner wheel arch panel is connected to the rear floor of the vehicle body, and the inner wheel arch panel and the rear floor of the vehicle body enclose the trunk space. The outer wheel arch panel is connected to the outer rear side panel, which helps to achieve the connection between the inner and outer rear side panel.

[0037] Secondly, embodiments of this application provide a vehicle including a chassis and a body frame, the body frame being disposed on the chassis, and the body frame including the rear side panel assembly described in any embodiment of this application. By employing the rear side panel assembly of the aforementioned embodiments, it is beneficial to achieve lightweight vehicle design and to increase the vehicle's torsional stiffness, thereby contributing to increased vehicle driving stability.

[0038] In some implementations, the vehicle frame is detachably connected to the chassis; And / or, the vehicle body frame and the chassis together enclose to form the passenger compartment of the vehicle, the vehicle including a battery, the casing of the battery forming the floor of the passenger compartment.

[0039] In the aforementioned technical solution, the body frame and chassis are detachably connected, achieving separation and decoupling between the two. This allows the rear side panel assembly to be replaced as needed, shortening the development cycle and reducing costs. Integrating the battery into the passenger compartment floor reduces additional supports and connectors, helping to reduce the overall vehicle weight and making more efficient use of the vehicle's interior space.

[0040] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application, it can be implemented according to the contents of the specification. In order to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0041] Figure 1 A schematic diagram of the structure of a rear side panel assembly (excluding the rear side panel outer panel) provided in an embodiment of this application from a first perspective (from the outside to the inside); Figure 2 for Figure 1 The diagram shown is a structural schematic from a second perspective (from the inside out). Figure 3 for Figure 1 A schematic diagram of the exploded structure shown; Figure 4 for Figure 1 The diagram shown is a structural illustration from a third-person perspective. Figure 5 for Figure 4 The diagram shows a cross-sectional view of the structure along the AA direction.

[0042] Explanation of reference numerals in the attached figures 10. Rear side panel inner plate; 11. Column inner plate; 111. C-pillar inner plate; 112. D-pillar inner plate; 12. Connecting part; 121. Protruding rib; 121a. Cavity; 122. Wheel cover inner plate; 123. Wheel cover outer plate; 13. Sill beam mounting part; 20. Metal reinforcing tube; 30. Metal connecting structure; 40. Column inner plate reinforcement; 50. Sill beam mounting part reinforcement; 60. Connecting plate; 61. Groove; 70. First reinforcing rib assembly; 71. Mounting groove; 80. Second reinforcing rib assembly. Detailed Implementation

[0043] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having” and any variations thereof are intended to cover non-exclusive inclusion.

[0045] In the description of the embodiments of this application, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0046] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0047] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0048] In the description of the embodiments of this application, the technical terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0049] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0050] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0051] The following is a detailed description of this application.

[0052] With the continuous development of automotive technology, traditional steel-made car bodies have also revealed some drawbacks, such as excessive weight, susceptibility to rust, and high carbon emissions during production. The manufacturing process of steel car bodies requires stamping, welding, and painting, all of which involve significant investment in stamping, welding, and painting workshops, hindering cost reduction in automobile manufacturing. Furthermore, the weight of steel car bodies makes lightweight design of the entire vehicle less effective.

[0053] In view of this, in order to overcome at least some of the defects of steel body, embodiments of this application provide a rear side panel assembly.

[0054] Specifically, the rear side panel assembly includes an outer rear side panel, an inner rear side panel, and a metal reinforcing tube. The inner rear side panel is located on the side of the outer rear side panel facing inwards towards the vehicle body. The inner rear side panel is a one-piece non-metallic structure and includes a pillar inner panel, a connecting portion, and a sill beam mounting portion connected in sequence. The sill beam mounting portion connects to the rear end of the sill beam of the vehicle body. A portion of the connecting portion protrudes outwards towards the vehicle body to form a rib, one end of which connects to the pillar inner panel. The metal reinforcing tube is located on the side of the inner rear side panel facing outwards towards the vehicle body. One end of the metal reinforcing tube connects to the sill beam mounting portion, and the other end connects to the end of the rib away from the pillar inner panel, thus forming a power transmission path.

[0055] The rear side panel assembly provided in this application embodiment features a one-piece non-metallic structure for the rear side panel inner panel. This one-piece non-metallic structure helps reduce the number of parts and the assembly between them, thus contributing to weight reduction of the rear side panel inner panel and consequently, weight reduction of the entire rear side panel assembly. The one-piece structure eliminates seams, reducing stress concentration points and improving the overall strength and rigidity of the rear side panel inner panel, thereby enhancing its collision resistance and load transfer efficiency.

[0056] Meanwhile, the externally protruding structure of the connecting part helps increase the moment of inertia of the connecting section, thus improving its stiffness. The metal reinforcing tube strengthens the side of the rear side panel facing outwards, further enhancing its stiffness. In other words, the ribs and metal reinforcing tubes contribute to the overall stiffness of the rear side panel, thereby improving the overall stiffness of the rear side panel assembly. Furthermore, the metal reinforcing tubes and ribs form a power transmission path that runs from the sill beam mounting point to the metal reinforcing tube, then to the rib, and finally to the pillar inner panel. When the vehicle is under torsional loads, such as during vehicle torsion or cornering, this path helps disperse the torsional load. The increased overall stiffness of the rear side panel also increases the vehicle's torsional stiffness, thus improving driving stability and significantly optimizing NVH (Noise, Vibration, and Harshness) performance and comfort.

[0057] Compared to related technologies that use metal reinforcing tubes between the sill beam mounting section and the inner panel of the pillar, the embodiment of this application uses ribs and metal reinforcing tubes to form a power transmission path. While dispersing the torsional load on the vehicle body, the ribs are non-metallic structures, which helps to further reduce the weight of the rear side panel assembly, thereby achieving a lightweight design for the rear side panel assembly.

[0058] This application also provides a vehicle, which includes a chassis and a body frame. The body frame is mounted on the chassis and includes the rear side panel assembly provided in any embodiment of this application.

[0059] Specifically, this application provides a rear side panel assembly. Please refer to... Figure 1 and Figure 2 The rear side panel assembly includes an outer rear side panel (not shown in the figure), an inner rear side panel 10, and a metal reinforcing tube 20. The inner rear side panel 10 is located on the side of the outer rear side panel facing the interior of the vehicle body. The inner rear side panel 10 is a one-piece non-metallic structure and includes a pillar inner panel 11, a connecting portion 12, and a sill beam mounting portion 13 connected in sequence. The sill beam mounting portion 13 is used to connect to the rear end of the sill beam of the vehicle body. A portion of the connecting portion 12 protrudes outwards towards the vehicle body to form a rib 121, one end of which is connected to the pillar inner panel 11. The metal reinforcing tube 20 is located on the side of the inner rear side panel 10 facing outwards from the vehicle body. One end of the metal reinforcing tube 20 is connected to the sill beam mounting portion 13, and the other end is connected to the end of the rib 121 away from the pillar inner panel 11 (see [reference]). Figure 4 and Figure 5 ), to form a power transmission path.

[0060] The rear side panel assembly provided in this application embodiment features a one-piece non-metallic structure for the rear side panel inner panel 10. This one-piece non-metallic structure helps reduce the number of parts and the assembly between them, thus contributing to weight reduction of the rear side panel inner panel 10 and consequently, weight reduction of the entire rear side panel assembly. The one-piece structure eliminates seams, reducing stress concentration points and improving the overall strength and rigidity of the rear side panel inner panel 10, thereby enhancing its collision resistance and load transfer efficiency.

[0061] Meanwhile, the structure of the connecting part 12 protrudes outward toward the vehicle body, which helps to increase the moment of inertia of the connecting part 12 and improve its rigidity. The metal reinforcing tube 20 reinforces the side of the rear side panel 10 facing outward toward the vehicle body, which helps to further improve the rigidity of the rear side panel 10. That is, the rib 121 and the metal reinforcing tube 20 help to improve the overall rigidity of the rear side panel 10, thereby helping to improve the overall rigidity of the rear side panel assembly. Moreover, the metal reinforcing tube 20 and the rib 121 form a power transmission path from the sill beam mounting part 13 to the connecting part 12, and then from the connecting part 12 to the pillar inner panel 11. When the vehicle is in motion and there are torsional loads, such as in the case of vehicle body torsion and turning, this power transmission path helps to disperse the torsional load of the vehicle body, and the overall rigidity of the rear side panel 10 is enhanced, thereby helping to increase the vehicle's driving stability and significantly optimize NVH (Noise, Vibration, Harshness) performance and comfort.

[0062] Compared to related technologies where metal reinforcing tubes 20 are used between the sill beam mounting section 13 and the inner plate of the column 11, this embodiment of the application uses a rib 121 and a metal reinforcing tube 20 to form a power transmission path. The rib 121 is a non-metallic structure, which helps to further reduce the weight of the rear side panel assembly, thereby achieving a lightweight design of the rear side panel assembly.

[0063] It should be noted that the structure of the inner pillar plate 11 varies depending on the vehicle model. In some embodiments, such as... Figure 1 and Figure 2 As shown, the inner panel 11 of the pillar includes an inner panel 111 of the C-pillar and an inner panel 112 of the D-pillar. In this embodiment, the protruding rib 121 is used to connect with the inner panel 112 of the D-pillar.

[0064] In some other embodiments, the inner panel 11 of the column includes the inner panel 111 of the C column, but excludes the inner panel 112 of the D column.

[0065] In some embodiments, the rear side panel outer and / or rear side panel inner 10 are molded from non-metallic sheets, including multiple layers of continuous fiber composite material. Molding can accurately ensure the shape and dimensional precision of the rear side panel outer and / or rear side panel inner 10, thus maximizing their mechanical properties and structural integrity. By using continuous fiber composite material for the rear side panel outer and / or rear side panel inner 10, the lightweight nature of the material helps reduce the weight of the rear side assembly, thereby reducing fuel consumption and improving vehicle economy. Continuous fiber composite material has high strength and stiffness, and it does not rust easily. Its manufacturing process is also more environmentally friendly, helping to reduce carbon emissions. Furthermore, using continuous fiber composite material to manufacture the rear side panel outer and / or rear side panel inner 10 eliminates the need for stamping, welding, and painting processes, improving manufacturing efficiency and eliminating the need for stamping, welding, and painting workshops, thus reducing vehicle manufacturing costs.

[0066] For example, the thickness of the non-metallic sheet is 1.4 mm to 5 mm (millimeters). For instance, the thickness of the non-metallic sheet can be 1.4 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, etc. By controlling the thickness of the non-metallic sheet within this range, the mechanical properties of the rear side panel outer panel and / or the rear side panel inner panel 10 are kept within a suitable range.

[0067] For example, the continuous fiber composite layer of the rear side panel comprises 30-80 parts by weight of glass fiber and 20-70 parts by weight of polypropylene. By controlling the content of glass fiber and polypropylene within a reasonable range, it is possible to avoid the leakage of continuous fibers and insufficient elongation at break caused by excessive glass fiber content and insufficient polypropylene content. It is also possible to avoid the problems of insufficient composite strength, insufficient elongation at break, or excessive water absorption caused by excessively low long glass fiber content and excessive polypropylene content. This achieves a relatively balanced state between the glass fiber content and the polypropylene content, making the composite material suitable for manufacturing the rear side panel. Furthermore, polypropylene has good flowability and gloss, making it suitable for manufacturing exterior parts.

[0068] For example, the continuous fiber composite layer of the rear side panel 10 includes 30-80 parts by weight of glass fiber and 20-70 parts by weight of thermoplastic resin matrix, wherein the thermoplastic resin matrix includes at least one of polypropylene and polyamide. By controlling the content of glass fiber and thermoplastic resin matrix within a reasonable range, it is possible to avoid the leakage of continuous fibers and insufficient elongation at break caused by excessive glass fiber content and excessive thermoplastic resin matrix content. It is also possible to avoid the situation where the composite material has insufficient strength, insufficient elongation at break, or excessive water absorption caused by excessively low glass fiber content and excessively high thermoplastic resin matrix content. In this way, the content of glass fiber and thermoplastic resin matrix are in a relatively balanced state, making the performance of the composite material suitable for manufacturing the rear side panel 10.

[0069] In some embodiments, the metal reinforcing tube 20 is an extruded, one-piece structure; and / or, the metal reinforcing tube 20 is an aluminum structure. Extrusion molding is a highly efficient, mature, and low-cost process, allowing for diverse cross-sectional shapes of the metal reinforcing tube 20 to meet the shape requirements of different vehicle models. Aluminum structures offer good strength and are lightweight, contributing to the weight reduction of the metal reinforcing structure. For example, the metal reinforcing tube 20 may be made of aluminum alloy.

[0070] In some embodiments, such as Figure 1 and Figure 3As shown, the rear side panel assembly includes a metal connection structure 30, which is connected to a metal reinforcing tube 20. The metal connection structure 30 is used to connect at least one of a latch and a door opening limiter. Both the door latch and the door opening limiter are used for opening and closing the door. During vehicle use, the door needs to be opened and closed frequently, the door opening limiter also needs to rotate frequently, and the door latch needs to be used frequently for locking the door. This means the metal connection structure 30 needs to withstand repeated opening and closing cycles. The metal material gives the metal connection structure 30 good fatigue performance, allowing it to maintain structural integrity during multiple cycles. Furthermore, the metal reinforcing tube 20 provides good support for the metal connection structure 30, allowing the impact force borne by the door latch and door opening limiter to be directly transferred to the metal reinforcing tube 20, which helps to disperse the impact load.

[0071] Moreover, in this embodiment, on the one hand, the use of metal reinforcement structure helps to ensure the connection strength of metal connection structure 30, and on the other hand, the use of non-metallic ribs 121 transfers the load of the end of metal reinforcement tube 20 away from sill beam mounting part 13 to column inner plate 11, which not only improves the rigidity of rear side panel assembly, but also helps to achieve the weight reduction of rear side panel assembly.

[0072] For example, the connection between the metal connection structure 30 and the metal reinforcing tube 20 includes at least one of welding, riveting and bolting.

[0073] In some embodiments, please refer to... Figure 1 and Figure 3 The rear side panel assembly includes a pillar inner plate reinforcement 40, which is located at the rear end of the pillar inner plate 11 facing the outside of the vehicle body. Part of the structure of the pillar inner plate reinforcement 40 covers the end of the protruding rib 121 near the pillar inner plate 11; and / or, the rear side panel assembly includes a sill beam mounting reinforcement 50, which is located at the sill beam mounting portion 13 facing the outside of the vehicle body. Part of the structure of the sill beam mounting reinforcement 50 covers the end of the metal reinforcing tube 20 connected to the sill beam mounting portion 13.

[0074] By setting the inner pillar plate reinforcement 40, the tail end of the inner pillar plate 11 can be strengthened. At the same time, part of the structure of the inner pillar plate reinforcement 40 covers the end of the protruding rib 121 near the inner pillar plate 11. That is, the protruding rib 121 is connected to the inner pillar plate reinforcement 40. In other words, the torque load transmitted by the protruding rib 121 can be transmitted not only to the inner pillar plate 11, but also to the inner pillar plate reinforcement 40. This helps to improve the ability of the above-mentioned power transmission path to disperse the torsional load of the vehicle body and further increase the torsional stiffness of the vehicle.

[0075] By incorporating the sill beam mounting reinforcement 50, the sill beam mounting portion 13 can be strengthened, thereby improving its rigidity and strength. Simultaneously, a portion of the sill beam mounting reinforcement 50 covers the end of the metal reinforcing tube 20 connected to the sill beam mounting portion 13, meaning the sill beam mounting reinforcement 50 is connected to the metal reinforcing tube 20. The torsional load on the vehicle body transmitted by the sill beam is transferred to the metal reinforcing tube 20 via the sill beam mounting portion 13 and the sill beam mounting reinforcement 50, which helps improve load transfer efficiency. Furthermore, the sill beam mounting reinforcement 50 covering the end of the metal reinforcing tube 20 also helps reduce the likelihood of warping of the metal reinforcing tube 20.

[0076] It should be noted that, as Figure 1 As shown, in an embodiment where the inner panel 11 of the pillar includes both the inner panel 111 of the C-pillar and the inner panel 112 of the D-pillar, the inner panel reinforcement 40 is used to reinforce at least the tail end of the inner panel 112 of the D-pillar.

[0077] In some embodiments, such as Figure 1 As shown, the rear side panel assembly includes a connecting plate 60, which covers the connection between the protruding rib 121 and the metal reinforcing tube 20, and connects to the inner rear side panel 10. The connecting plate 60 increases the connection stability between the metal reinforcing tube 20 and the protruding rib 121, thereby optimizing the load transfer path. Furthermore, the connecting plate 60 covers the end of the metal reinforcing tube 20 that connects to the protruding rib 121, helping to reduce the likelihood of warping at the end of the metal reinforcing tube 20.

[0078] In some embodiments, such as Figure 3 As shown, a portion of the connecting plate 60 protrudes outward toward the vehicle body to form a groove 61 on the inner side of the connecting plate 60 facing the vehicle body. The rib 121 and the reinforcing tube are located within the groove 61. The groove 61 helps to increase the rigidity of the connecting plate 60. On the other hand, the groove 61 provides more space for the ends of the rib 121 and the metal reinforcing tube 20, which helps to further increase the connection stability between the metal reinforcing tube 20 and the rib 121.

[0079] In some embodiments, the connecting plate 60 is a die-cast integral structure; and / or, the connecting plate 60 is an aluminum component.

[0080] Die casting has high production efficiency, good ability to form complex shapes, and the surface hardness and overall strength of die-cast parts are also high.

[0081] Aluminum components have good strength and are lightweight, which helps to achieve the weight reduction of the connecting plate 60. For example, the connecting plate 60 is made of aluminum alloy.

[0082] In some embodiments, the thickness of the connecting plate 60 is 2.5mm to 10mm. That is, 2.5mm ≤ the thickness of the connecting plate 60 ≤ 10mm, for example, it can be 2.5mm, 3mm, 4.5mm, 5mm, 6mm, 8mm, 9mm, 10mm, etc. By controlling the thickness of the connecting plate 60 within this range, it helps to keep the mechanical properties of the connecting plate 60 within a reasonable range.

[0083] In some embodiments, such as Figure 1 and Figure 3 As shown, the rear side panel assembly includes a first reinforcing rib assembly 70, which is injection molded onto the side of the rear side panel inner panel 10 facing outwards from the vehicle body. Thus, by using the first reinforcing rib assembly 70 to strengthen the rear side panel inner panel 10, the rigidity and strength of the rear side panel inner panel 10 are further improved.

[0084] In some embodiments, please refer to... Figure 1 and Figure 3 The first reinforcing rib assembly 70 located in the connecting portion 12 has a mounting groove 71, and the metal reinforcing tube 20 is partially disposed within the mounting groove 71. The mounting groove 71 serves to limit the metal reinforcing tube 20, facilitating its installation in a preset position and reducing the likelihood of displacement of the metal reinforcing tube 20 relative to the connecting portion 12 due to external vibrations, vehicle bumps, or other reasons during subsequent use, which could affect load transmission.

[0085] In some embodiments, the thickness of the first reinforcing rib assembly 70 is 1.4 mm to 5 mm; and / or, the first reinforcing rib assembly 70 protrudes from the outer surface of the rear side inner panel 10 by a dimension of 2 mm to 100 mm.

[0086] In this embodiment, the thickness of the first reinforcing rib assembly 70 is 1.4mm ≤ 5mm. For example, the thickness of the first reinforcing rib assembly 70 can be 1.4mm, 1.5mm, 2mm, 2.1mm, 2.5mm, 2.8mm, 3mm, 3.5mm, 4mm, 5mm, etc. By controlling the thickness of the first reinforcing rib assembly 70 within this range, the first reinforcing rib assembly 70 has sufficient strength and rigidity to meet the mechanical performance requirements of the rear side panel assembly.

[0087] The size of the first reinforcing rib assembly 70 protruding from the outer surface of the rear side panel 10 is ≤2mm and ≤100mm. For example, the size of the first reinforcing rib assembly 70 protruding from the outer surface of the rear side panel 10 can be 2mm, 3mm, 5mm, 9mm, 10mm, 15mm, 18mm, 25mm, 30mm, 35mm, 45mm, 50mm, 58mm, 60mm, 70mm, 80mm, 90mm, 100mm, etc. By controlling the size of the first reinforcing rib assembly 70 protruding from the outer surface of the rear side panel 10 within this range, the first reinforcing rib assembly 70 has sufficient strength and rigidity to meet the mechanical performance requirements of the rear side panel assembly.

[0088] In some embodiments, such as Figure 2 As shown, a cavity 121a is formed on the side of the rib 121 facing the interior of the vehicle body. The rear side assembly includes a second reinforcing rib assembly 80, which is injection molded into the cavity 121a. By injection molding the second reinforcing rib assembly 80 into the cavity 121a, the rigidity and strength of the rib 121 are further improved, and the load transfer path is further optimized.

[0089] In some embodiments, the depth of the cavity 121a is 2 mm to 100 mm; And / or, the second reinforcing rib assembly 80 protrudes from the inner wall of the cavity 121a by a dimension of 10mm to 120mm; And / or, the thickness of the second reinforcing rib assembly 80 is 1.4mm to 5mm.

[0090] In this embodiment, the depth of the cavity 121a is ≤100mm. For example, the depth of the cavity 121a can be 2mm, 5mm, 6mm, 10mm, 17mm, 20mm, 30mm, 35mm, 40mm, 46mm, 50mm, 60mm, 70mm, 80mm, 85mm, 90mm, 100mm, etc. By controlling the depth of the cavity 121a within this range, the mechanical properties of the rib 121 are kept within a suitable range.

[0091] The size of the second reinforcing rib assembly 80 protruding from the inner wall of the cavity 121a is ≤10mm and ≤120mm. For example, the size of the second reinforcing rib assembly 80 protruding from the inner wall of the cavity 121a can be 10mm, 15mm, 20mm, 24mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 85mm, 90mm, 100mm, 105mm, 120mm, etc. By controlling the size of the second reinforcing rib assembly 80 protruding from the inner wall of the cavity 121a within this range, the degree of reinforcement of the mechanical properties of the protruding rib 121 by the second reinforcing rib assembly 80 is within a suitable range.

[0092] The thickness of the second reinforcing rib assembly 80 is 1.4mm ≤ 5mm. For example, the thickness of the second reinforcing rib assembly 80 can be 1.4mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, etc. By controlling the thickness of the second reinforcing rib assembly 80 within this range, the degree to which the second reinforcing rib assembly 80 strengthens the mechanical properties of the protruding rib 121 is within a suitable range.

[0093] In some embodiments, the first reinforcing rib assembly 70 and / or the second reinforcing rib assembly 80 comprises glass fiber and a thermoplastic resin matrix, wherein the thermoplastic resin matrix comprises at least one of polypropylene and polyamide, and the thermoplastic resin matrix of the first reinforcing rib assembly 70 is of the same type as the thermoplastic resin matrix of the continuous fiber composite layer of the rear side panel 10. This facilitates the injection molding of the first reinforcing rib assembly 70 and / or the second reinforcing rib assembly 80 onto the surface of the rear side panel 10.

[0094] For example, the first reinforcing rib assembly 70 and / or the second reinforcing rib assembly 80 comprises 10 to 60 parts by weight of glass fiber and 40 to 90 parts by weight of thermoplastic resin matrix. This ensures that the mechanical properties of the first reinforcing rib assembly 70 and / or the second reinforcing rib assembly 80 are within a suitable range.

[0095] In some embodiments, the metal reinforcing tube 20 includes a tube body with a quadrilateral cross-section; In a cross-section perpendicular to the tube body, the maximum dimension of the tube body along the left-right direction of the vehicle body is 30mm to 100mm; and / or, the maximum dimension of the tube body along a first direction is 30mm to 100mm, wherein the first direction intersects with the left-right direction of the vehicle body.

[0096] It should be noted that the specific shape of the quadrilateral is not limited; for example, it can be a parallelogram, a trapezoid, etc.

[0097] It should be noted that the maximum dimension of the tube body along the left-right direction of the vehicle body refers to the maximum interval between the two opposite sides of the quadrilateral along the left-right direction of the vehicle body. The maximum dimension of the tube body along the first direction refers to the maximum interval between the two opposite sides of the quadrilateral along the first direction.

[0098] In this embodiment, 30mm≤the maximum dimension of the tube body along the left-right direction of the vehicle body≤100mm, that is, the maximum dimension of the tube body along the left-right direction of the vehicle body can be 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 76mm, 80mm, 90mm, 100mm. And / or, 30mm≤the maximum dimension of the tube body along the first direction≤100mm, that is, the maximum dimension of the tube body along the first direction can be 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 76mm, 80mm, 90mm, 100mm. In this way, it is helpful to make the contour dimension of the quadrilateral within a reasonable range, so that the dimension and mechanical properties of the metal reinforcing tube 20 are within appropriate ranges, so that the dimension of the metal reinforcing tube 20 and the reinforcing degree on the rear side inner panel 10 can meet the performance requirements of the rear side assembly of various vehicle models.

[0099] In some embodiments, the metal reinforcing tube 20 further comprises at least one reinforcing rib disposed inside the tube body. In a cross-sectional projection perpendicular to the extension direction of the tube body, both ends of the reinforcing rib are connected to the inner wall of the tube body.

[0100] In the cross-sectional projection perpendicular to the extension direction of the tube body, the number and extension direction of the reinforcing ribs are not limited.

[0101] For example, the number of reinforcing ribs can be one. In the cross-sectional projection perpendicular to the extension direction of the tube body, one reinforcing rib can extend along the left-right direction of the vehicle body, and can also extend along the first direction. In the embodiment where the cross-section of the tube body is quadrilateral, the cross-section of the metal reinforcing tube 20 is shaped like a Chinese character "ri".

[0102] For example, the number of reinforcing ribs can be two. In the cross-sectional projection perpendicular to the extension direction of the tube body, one reinforcing rib extends along the left-right direction of the vehicle body, and the other reinforcing rib extends along the first direction. In the embodiment where the cross-section of the tube body is quadrilateral, the cross-section of the metal reinforcing tube 20 is shaped like a Chinese character "tian".

[0103] It can be understood that in some embodiments, there may be no reinforcing rib inside the tube body. At this time, in the embodiment where the cross-section of the tube body is quadrilateral, the cross-section of the tube body is shaped like a Chinese character "kou".

[0104] In some embodiments, please refer to Figure 2 and Figure 3 , the connecting portion 12 includes a wheel housing outer panel 123 and a wheel housing inner panel 122, and the wheel housing inner panel 122 is disposed on a side of the wheel housing outer panel 123 facing the interior of the vehicle body; The wheel housing inner panel 122 is configured to be connected to the rear floor of the vehicle body; and / or, the wheel housing outer panel 123 is configured to be connected to the rear side outer panel.

[0105] In this embodiment, the inner wheel arch panel 122 is connected to the rear floor of the vehicle body, and the inner wheel arch panel 122 and the rear floor of the vehicle body enclose the trunk space. The outer wheel arch panel 123 is connected to the outer rear side panel, which helps to achieve the connection between the inner rear side panel 10 and the outer rear side panel.

[0106] In some embodiments, the wheel arch inner panel 122 is connected to the rear floor of the vehicle body by riveting. For example, the connection between the wheel arch inner panel 122 and the rear floor of the vehicle body can be achieved by blind rivets.

[0107] Based on the rear side panel assembly provided in the embodiments of this application, this application provides a vehicle including a chassis and a body frame, the body frame being mounted on the chassis, and the body frame including the rear side panel assembly provided in any embodiment of this application. By employing the rear side panel assembly of the aforementioned embodiments, it is helpful to achieve lightweight vehicle design, increase vehicle torsional stiffness, and thus help increase vehicle driving stability.

[0108] In some embodiments, the vehicle body frame and chassis are welded together.

[0109] In other embodiments, the vehicle frame can be detachably connected to the chassis, in which case the chassis is a skateboard chassis integrating the three-electric system. This configuration achieves decoupling between the vehicle frame and the chassis, allowing the vehicle frame to be replaced as needed, shortening the development cycle and reducing costs. In other words, it increases the integration of the chassis, making it adaptable to various vehicle models.

[0110] For example, the body frame and chassis are detachably connected by fasteners.

[0111] In some embodiments, the fastener may include at least one of bolts, studs, and screws.

[0112] In some embodiments, the number of fasteners is multiple.

[0113] For example, the body frame and chassis can be detachably connected by using multiple bolts in the circumferential direction of the chassis and the body frame.

[0114] In some embodiments, the vehicle body frame and chassis together enclose the passenger compartment of the vehicle, and the vehicle includes a battery, the battery casing of which forms the floor of the passenger compartment. By integrating the battery into the floor of the passenger compartment, additional supports and connectors can be reduced, which helps to reduce the overall vehicle weight and allows for more efficient use of the vehicle's interior space.

[0115] The rear side panel assembly of some embodiments of this application will be described below with reference to specific examples. A finite element model of the body-in-white is established using simulation software, wherein the rear side panel assembly adopts the rear side panel assembly provided in some embodiments of this application, and the remaining parts of the body-in-white can adopt the structure of the prior art.

[0116] Specifically, the continuous fiber composite layer of the rear side outer panel and the rear side inner panel 10 includes 70 parts by weight of glass fiber and 30 parts by weight of polypropylene, and the first reinforcing rib assembly 70 and the second reinforcing rib assembly 80 include 40 parts by weight of glass fiber and 60 parts by weight of polypropylene.

[0117] The depth of cavity 121a is 80 mm.

[0118] The dimensions of the first reinforcing rib assembly 70 and the second reinforcing rib assembly 80 are adaptively adjusted according to the dimension range provided in the foregoing embodiments of this application.

[0119] Free modal simulation analysis and stiffness simulation analysis were performed on the above-mentioned finite body-in-white model. The simulation results are as follows:

[0120] It should be noted that both the free modes and stiffness need to exceed the target values ​​for the performance to meet the requirements.

[0121] Simulation analysis of the structure shows that the rear sidewall assembly provided in this application embodiment can meet the requirements of free mode and stiffness.

[0122] In the description of this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine different embodiments or examples described in this application, as well as features of different embodiments or examples.

[0123] The above description is merely a preferred embodiment of this application and is not intended to limit the application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A rear side panel assembly, characterized in that, include: Rear side panel; The rear side panel is located on the side of the rear side panel facing the interior of the vehicle body. The rear side panel is an integral non-metallic structure. The rear side panel includes a pillar inner panel, a connecting part, and a sill beam mounting part connected in sequence. The sill beam mounting part is used to connect with the rear end of the sill beam of the vehicle body. A part of the connecting part protrudes outward toward the exterior of the vehicle body to form a rib. One end of the rib is connected to the pillar inner panel. A metal reinforcing tube is provided on the side of the rear inner panel facing the outside of the vehicle body. One end of the metal reinforcing tube is connected to the sill beam mounting part, and the other end is connected to the end of the protruding rib away from the inner panel of the pillar, so as to form a power transmission path.

2. The rear side enclosure assembly according to claim 1, characterized in that, The rear side panel assembly includes a metal connection structure connected to the metal reinforcing tube, and the metal connection structure is used to connect at least one of a latch and a door opening limiter.

3. The rear side enclosure assembly according to claim 1, characterized in that, The rear side panel assembly includes a pillar inner panel reinforcement member, which is located at the rear end of the pillar inner panel facing the outside of the vehicle body, and a portion of the structure of the pillar inner panel reinforcement member covers the end of the protruding rib near the pillar inner panel; and / or, the rear side panel assembly includes a sill beam mounting portion reinforcement member, which is located at the sill beam mounting portion facing the outside of the vehicle body, and a portion of the structure of the sill beam mounting portion reinforcement member covers the end of the metal reinforcing tube connected to the sill beam mounting portion.

4. The rear side panel assembly according to claim 1, characterized in that, The rear side panel assembly includes a connecting plate that covers the connection between the convex rib and the metal reinforcing tube, and connects to the inner panel of the rear side panel.

5. The rear side enclosure assembly according to claim 4, characterized in that, A portion of the structure of the connecting plate protrudes outward toward the vehicle body to form a groove on the inner side of the connecting plate toward the vehicle body, and the protruding rib and the metal reinforcing tube are located within the groove.

6. The rear side enclosure assembly according to claim 4, characterized in that, The connecting plate is a die-cast, one-piece structure; and / or, the connecting plate is an aluminum component.

7. The rear side enclosure assembly according to claim 4, characterized in that, The thickness of the connecting plate is 2.5mm to 10mm.

8. The rear side enclosure assembly according to claim 1, characterized in that, The rear side panel assembly includes a first reinforcing rib assembly, which is injection molded onto the side of the rear side panel inner panel facing the outside of the vehicle body.

9. The rear side enclosure assembly according to claim 8, characterized in that, The first reinforcing rib assembly located at the connection portion has a mounting groove, and the metal reinforcing tube portion is located within the mounting groove.

10. The rear side enclosure assembly according to claim 8, characterized in that, The thickness of the first reinforcing rib assembly is 1.4 mm to 5 mm; and / or, the first reinforcing rib assembly protrudes from the outer surface of the rear side panel by a dimension of 2 mm to 100 mm.

11. The rear side enclosure assembly according to claim 1, characterized in that, The convex rib has a concave cavity on the side facing the interior of the vehicle body, and the rear side panel assembly includes a second reinforcing rib assembly, which is injection molded into the concave cavity.

12. The rear side enclosure assembly according to claim 11, characterized in that, The depth of the cavity is 2mm to 100mm; And / or, the second reinforcing rib assembly protrudes from the inner wall of the cavity by 10mm to 120mm; And / or, the thickness of the second reinforcing rib assembly is 1.4mm to 5mm.

13. The rear side enclosure assembly according to any one of claims 1 to 12, characterized in that, The rear side outer panel and / or the rear side inner panel are formed by molding non-metallic sheet material, the non-metallic sheet material comprising multiple layers of continuous fiber composite material.

14. The rear sidewall assembly according to any one of claims 1 to 12, characterized in that, The metal reinforcing tube is an extruded, one-piece structure; and / or, the metal reinforcing tube is an aluminum structure.

15. The rear sidewall assembly according to any one of claims 1 to 12, characterized in that, The metal reinforcing tube includes a tube body, the cross-section of which is quadrilateral; In a cross-section perpendicular to the tube body, the maximum dimension of the tube body along the left-right direction of the vehicle body is 30mm to 100mm; and / or, the maximum dimension of the tube body along a first direction is 30mm to 100mm, wherein the first direction intersects the left-right direction of the vehicle body.

16. The rear side enclosure assembly according to any one of claims 1 to 12, characterized in that, The connecting part includes an outer wheel cover plate and an inner wheel cover plate, wherein the inner wheel cover plate is located on the side of the outer wheel cover plate facing the interior of the vehicle body; The inner wheel arch panel is used to connect to the rear floor of the vehicle body; and / or, the outer wheel arch panel is used to connect to the outer rear side panel.

17. A vehicle, characterized in that, It includes a chassis and a body frame, the body frame being disposed on the chassis, and the body frame including the rear side panel assembly as described in any one of claims 1 to 16.

18. The vehicle according to claim 17, characterized in that, The vehicle frame is detachably connected to the chassis; And / or, the vehicle body frame and the chassis together enclose to form the passenger compartment of the vehicle, the vehicle including a battery, the casing of the battery forming the floor of the passenger compartment.

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