Vehicle body assembly and vehicle

Abstract

A vehicle body assembly (100) and a vehicle, wherein the vehicle body assembly (100) includes a body body (6), a battery pack (5), a seal assembly (7), and a front end panel (621), the body body (6) having a mounting notch (61), the battery pack (5) shielding the mounting notch (61), the battery pack (5) being positioned to constitute at least a portion of the floor of the body assembly (100), the front end panel (621) being positioned in front of the seal assembly (7) along the longitudinal direction of the body body (6), and the front end panel (621) being connected to the seal assembly (7) to form an annular structure, and at least a portion of the seal assembly (7) and at least a portion of the front end panel (621) both being positioned between the body body (6) and the battery pack (5) to seal the gap between the body body (6) and the battery pack (5).

Description

Technical Field

[0001] This application is filed based on Chinese patent application with application number 202311063526.X and filing date August 22, 2023, and Chinese patent application with application number 202322270508.0 and filing date August 22, 2023, claims the priority of the above Chinese patent applications, and incorporates all the contents of the above Chinese patent applications by reference in this application. This application relates to the field of vehicles, particularly to a vehicle body assembly of a vehicle and a vehicle having the vehicle body assembly.

Background Art

[0002] In related technologies, the power battery of a vehicle and the vehicle body exist independently as two separate systems. The power battery of the vehicle and the vehicle body are not related to each other. Since both the weight of the power battery of the vehicle and the weight of the vehicle body are large, the overall weight of the vehicle increases, which is disadvantageous for improving the cruising range of the vehicle.

Summary of the Invention

Problems to be Solved by the Invention

[0003] This application aims to solve at least one of the technical problems in related technologies to a certain extent.

[0004] For this reason, one object of this application is to provide a vehicle body assembly of a vehicle, which is advantageous for the lightweight design of the vehicle and for improving the riding comfort of the vehicle.

[0005] This application further provides a vehicle.

Means for Solving the Problems

[0006] The vehicle body assembly according to the present invention includes a body body, a battery pack, a seal assembly, and a front end panel, wherein the body body has a mounting notch, the battery pack is provided on the body body and shields the mounting notch, the battery pack is arranged to constitute at least a portion of the floor of the body assembly, the front end panel is located in front of the seal assembly along the longitudinal direction of the body body and the front end panel is connected to the seal assembly to form an annular structure, and at least a portion of the seal assembly and at least a portion of the front end panel are both located between the body body and the battery pack to seal the gap between the body body and the battery pack.

[0007] The vehicle body assembly according to the present invention allows for the omission of a portion of the floor of a conventional vehicle body by arranging the battery pack to constitute at least a portion of the floor of the vehicle body assembly, which is advantageous for lightweight vehicle design and for improving the vehicle's driving range. Furthermore, the seal assembly and front end panel can seal the gap between the vehicle body and the battery pack, improving the airtightness of the passenger compartment, which is advantageous for improving the passenger comfort of the vehicle.

[0008] The vehicle according to this application includes the vehicle body assembly described above.

[0009] Additional aspects and advantages of this application are shown in part in the following description, some of which become apparent from the following description or are understood through the implementation of this application. [Brief explanation of the drawing]

[0010] [Figure 1] This is a plan view of the vehicle body assembly described in the embodiment of the present invention. [Figure 2] This is a bottom view of the vehicle body assembly described in the present embodiment. [Figure 3] This is a schematic cross-sectional view of the vehicle body assembly described in the embodiment of the present invention. [Figure 4]This is an enlarged schematic diagram of a part of the structure in Figure 3. [Figure 5] This is a schematic cross-sectional view of the front end panel described in the embodiment of the present invention. [Figure 6] This is a schematic cross-sectional view of the left seal component described in the embodiment of the present invention. [Figure 7] This is a schematic cross-sectional view of the right seal component described in the embodiment of the present invention. [Figure 8] This is a schematic cross-sectional view of the rear sealing component described in the embodiment of the present invention. [Figure 9] This is a schematic assembly diagram of the front end panel and seal assembly described in the embodiment of the present invention (connecting arm omitted). [Figure 10] This is a schematic assembly diagram of the seal assembly described in the present embodiment (connecting arm omitted). [Modes for carrying out the invention]

[0011] The following describes embodiments of the present application in detail, with examples of such embodiments shown in the drawings, where throughout, the same or similar designations indicate the same or similar elements, or elements having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and are used for illustrative purposes only, and should not be understood as limiting the present application.

[0012] The vehicle body assembly 100 according to the embodiment of the present invention will be described below with reference to Figures 1 to 10.

[0013] As shown in Figures 1 to 10, the vehicle body assembly 100 according to this embodiment includes the vehicle body 6, battery pack 5, seal assembly 7, and front end panel 621.

[0014] The vehicle body 6 has a mounting notch 61, which penetrates the vehicle body 6 along the vehicle height direction (i.e., the Z direction shown in Figure 3), the battery pack 5 is provided in the vehicle body 6 and the battery pack 5 shields the mounting notch 61, and the battery pack 5 is positioned to constitute at least a portion of the floor of the vehicle body assembly 100, in some selectable embodiments of the present invention, at least a portion of the structure of the battery pack 5 can be located within the mounting notch 61, and the top cover of the battery pack 5 can be positioned to constitute at least a portion of the floor of the vehicle body assembly 100. By having the vehicle body 6 have a mounting notch 61 and positioning the battery pack 5 to constitute at least a portion of the floor of the vehicle body assembly 100, a portion of the floor of the conventional vehicle body can be omitted, thereby reducing the weight of the vehicle body 6, which is advantageous for lightweight vehicle design and advantageous for improving the vehicle's driving range.

[0015] Along the longitudinal direction of the vehicle body 6 (i.e., the X direction shown in Figure 1), the front end panel 321 is located in front of the seal assembly 7, and the front end panel 621 and the seal assembly 7 are connected to form an annular structure. At least some of the seal assembly 7 is located between the vehicle body 6 and the battery pack 5, and in some selectable embodiments of the present invention, some of the seal assembly 7 is located between the vehicle body 6 and the battery pack 5, and in some selectable embodiments of the present invention, the seal assembly 7 is located between the vehicle body 6 and the battery pack 5. The seal assembly 7 can seal the gap between the vehicle body 6 and the battery pack 5.

[0016] At least some of the front end panels 621 are located between the vehicle body 6 and the battery pack 5, and in some selectable embodiments of the present invention, some of the front end panels 621 are located between the vehicle body 6 and the battery pack 5, and in some selectable embodiments of the present invention, the front end panels 621 are located between the vehicle body 6 and the battery pack 5. The front end panels 621 can seal the gap between the vehicle body 6 and the battery pack 5.

[0017] In addition, since the battery pack 5 is arranged to constitute at least a part of the floor of the vehicle body assembly 100, there may be a gap between the battery pack 5 and the vehicle body main body 6. If there is a gap between the battery pack 5 and the vehicle body main body 6, the passenger compartment communicates with the outside through the gap. As a result, passengers may feel significant noise and vibration in the passenger compartment, and a large amount of dust may enter the passenger compartment through the gap between the battery pack 5 and the vehicle body main body 6, affecting the riding comfort of the passengers. On the other hand, by sealing the gap between the vehicle body main body 6 and the battery pack 5 with the seal assembly 7 and the front end panel 621, the airtightness of the passenger compartment can be improved. Thereby, the noise and vibration felt by passengers in the passenger compartment can be reduced, and it is possible to avoid a large amount of dust from entering the passenger compartment through the gap between the battery pack 5 and the vehicle body main body 6, which is advantageous for improving the riding comfort of the vehicle.

[0018] Further, by connecting the seal assembly 7 and the front end panel 621 to form an annular structure, the gap between the vehicle body main body 6 and the battery pack 5 can be reliably sealed.

[0019] Thereby, by arranging the battery pack 5 to constitute at least a part of the floor of the vehicle body assembly 100, a part of the floor of the conventional vehicle body can be omitted, which is advantageous for the lightweight design of the vehicle and for improving the cruising range of the vehicle. Moreover, the seal assembly 7 and the front end panel 621 can seal the gap between the vehicle body main body 6 and the battery pack 5, improving the airtightness of the passenger compartment, which is advantageous for improving the riding comfort of the vehicle.

[0020] As some selectable embodiments of the present application, the battery pack 5 can be the front floor of the vehicle body assembly 100.

[0021] In some embodiments of the present invention, as shown in Figures 1 and 2, the seal assembly 7 can have a relief hole 71, that is, the seal assembly 7 can have a hollow structure, the relief hole 71 of the seal assembly 7 can be provided corresponding to a mounting notch 61, the battery pack 5 can shield the relief hole 71, and the battery pack 5 can also shield the mounting notch 61 of the vehicle body 6. By forming the relief hole 71 in the seal assembly 7, the weight of the seal assembly 7 can be reduced, which is advantageous for lightweight vehicle design, and the relief hole 71 can avoid the top surface of the battery pack 5, so that the battery pack 5 can be positioned as at least a part of the floor of the vehicle body assembly 100.

[0022] In some embodiments of the present invention, as shown in Figures 3 and 4, the battery pack 5 can be installed below the seal assembly 7 along the height direction of the vehicle body 6 (i.e., the Z direction shown in Figure 3), and the battery pack 5 can be sealed with the lower surface of the seal assembly 7. In some selectable embodiments of the present invention, the upper surface of the battery pack 5 can be sealed with the lower surface of the seal assembly 7. By installing it in this manner, the relative position between the seal assembly 7 and the battery pack 5 can be appropriately adjusted, which is advantageous for improving the sealing effect of the seal assembly 7.

[0023] In some embodiments of the present invention, as shown in Figures 1, 2, 9, and 10, both the seal assembly 7 and the front end panel 621 can form a seal projection 721 that protrudes toward the battery pack 5, and the seal projection 721 can protrude downward (i.e. toward the battery pack 5) along the height direction (i.e., the Z direction shown in Figure 3) of the vehicle body 6, and the seal projection 721 of the seal assembly 7 and the seal projection 721 of the front end panel 621 can fit together to form an annular projection structure 72.

[0024] The lower surface of the sealing projection 721 can be sealed to the battery pack 5. In some optional embodiments of the present invention, the lower surface of the sealing projection 721 can be sealed to the upper surface of the battery pack 5. Forming sealing projections 721 projecting toward the battery pack 5 on both the sealing assembly 7 and the front end panel 621 is advantageous in further improving the sealing effect of the sealing assembly 7 and the front end panel 621.

[0025] In some embodiments of the present invention, as shown in Figures 1, 2, 5 to 10, the seal assembly 7 may include a left seal component 74, a rear seal component 75, and a right seal component 76. The left seal component 74 and the right seal component 76 may be positioned opposite each other and spaced apart along the width direction (i.e., the Y direction shown in Figure 1) of the vehicle body 6, and the front end panel 621, the left seal component 74, the rear seal component 75, and the right seal component 76 may be connected sequentially at the front and rear ends.

[0026] Specifically, one end of the front end panel 621 can be connected to one end of the left seal component 74, the other end of the left seal component 74 can be connected to one end of the rear seal component 75, the other end of the rear seal component 75 can be connected to one end of the right seal component 76, and the other end of the right seal component 76 can be connected to the other end of the front end panel 621. At least one of the left seal component 74, the rear seal component 75, and the right seal component 76 can be connected to the vehicle body 6, and in some selectable embodiments of the present invention, the left seal component 74, the rear seal component 75, and the right seal component 76 can all be connected to the vehicle body 6.

[0027] The left seal component 74, the rear seal component 75, and the right seal component 76 can all form part of the projection structure 72. Specifically, as shown in Figures 5 to 8, the front end panel 621, the left seal component 74, the rear seal component 75, and the right seal component 76 can all have seal protrusions 721 that project toward the battery pack 5. Any of the seal protrusions 721 of the front end panel 621, the left seal component 74, the rear seal component 75, and the right seal component 76 can all form part of the projection structure 72. The seal protrusions 721 of the front end panel 621, the left seal component 74, the rear seal component 75, and the right seal component 76 can collectively form the projection structure 72.

[0028] By installing them in this manner, the structural form of the seal assembly 7 and the front end panel 621 can be made appropriate, and by connecting at least one of the left seal part 74, the rear seal part 75, and the right seal part 76 to the vehicle body 6, the connection between the seal assembly 7 and the vehicle body 6 can be strengthened, and a part of the protruding structure 72 is formed on the front end panel 621, the left seal part 74, the rear seal part 75, and the right seal part 76, which is advantageous in further improving the sealing effect of the seal assembly 7 and the front end panel 621.

[0029] In some optional embodiments of the present invention, the left seal component 74, the rear seal component 75, and the right seal component 76 may be integrally molded parts. In some optional embodiments of the present invention, the left seal component 74, the rear seal component 75, and the right seal component 76 may be separate parts.

[0030] In some embodiments of the present invention, as shown in Figures 3 and 4, the battery pack 5 can have a sealing surface 54 formed thereon, and the lower surface of the sealing projection 721 can fit into the sealing surface 54. In some selectable embodiments of the present invention, the front end panel 621, left sealing component 74, rear sealing component 75, and right sealing component 76 can all have sealing projections 721 projecting toward the battery pack 5, the lower surfaces of the sealing projections 721 of the front end panel 621, left sealing component 74, rear sealing component 75, and right sealing component 76 can be located on the same plane, and the upper surface of the battery pack 5 can be configured as a sealing surface 54, and the sealing surface 54 can fit into the lower surface of the sealing projection 721. For example, the sealing surface 54 may be parallel to the lower surface of the sealing projection 721. By installing in this manner, the sealing performance between the sealing projection 721 and the battery pack 5 can be improved, thereby enabling the sealing assembly 7 and the front end panel 621 to reliably seal the gap between the vehicle body 6 and the battery pack 5, and improving the airtightness of the passenger compartment.

[0031] In some embodiments of the present invention, as shown in Figures 3 and 4, the vehicle body assembly 100 may further include a flexible seal component 55, which can be sandwiched between the battery pack 5 and the seal assembly 7. Specifically, the flexible seal component 55 can be sandwiched between a seal projection 721 and the battery pack 5. By providing the flexible seal component 55 between the battery pack 5 and the seal assembly 7, the flexible seal component 55 is pressed by the battery pack 5 and the seal assembly 7, and the pressed flexible seal component 55 can exhibit an excellent sealing effect.

[0032] In some selectable embodiments of the present invention, both the seal assembly 7 and the front end panel 621 may have a seal projection 721 that protrudes toward the battery pack 5, the lower surface of the seal projection 721 may be sealed with the upper surface of the battery pack 5, and the flexible seal component 55 may be sandwiched between the upper surface of the battery pack 5 and the lower surface of the seal projection 721. By providing the flexible seal component 55, the airtightness of the passenger compartment can be further improved, and the passenger comfort of the vehicle can be further improved.

[0033] In some embodiments of the present invention, as shown in Figures 3 and 4, the seal assembly 7 can be located within the mounting notch 61, and the distance between the seal assembly 7 and the upper end of the mounting notch 61 along the height direction of the vehicle body 6 (i.e., the Z direction shown in Figure 3) may be less than the distance between the seal assembly 7 and the lower end of the mounting notch 61.

[0034] By placing the seal assembly 7 within the mounting notch 61, the installation position of the seal assembly 7 can be appropriately adjusted. Furthermore, by setting the distance between the seal assembly 7 and the upper end of the mounting notch 61 to be smaller than the distance between the seal assembly 7 and the lower end of the mounting notch 61, the seal assembly 7 can be positioned closer to the upper part of the mounting notch 61. This provides more space for the battery pack 5, which is advantageous for increasing the capacity of the battery pack 5, and consequently, for increasing the driving range of the vehicle.

[0035] In some embodiments of the present invention, as shown in Figures 1 and 2, the vehicle body 6 may include a front compartment 62, a rear floor 63, a left side sill beam 47, and a right side sill beam 48. The front compartment 62 may be connected to the left side sill beam 47 and the right side sill beam 48, and the rear floor 63 may be connected to the left side sill beam 47 and the right side sill beam 48. Here, along the longitudinal direction of the vehicle (i.e., the X direction shown in Figure 1), the front compartment 62 may be installed in front of the rear floor 63, and both the left side sill beam 47 and the right side sill beam 48 may be installed between the front compartment 62 and the rear floor 63, and both the left side sill beam 47 and the right side sill beam 48 may extend along the longitudinal direction of the vehicle. Along the width direction of the vehicle (i.e., the Y direction shown in Figure 1), the left side sill beam 47 and the right side sill beam 48 may be installed with a gap between them. The front compartment 62, rear floor 63, left side sill beam 47, and right side sill beam 48 can jointly define a mounting notch 61. By installing them in this manner, the dimensions of the mounting notch 61 can be increased, which is advantageous for the lightweight design of the vehicle. Furthermore, by jointly defining the mounting notch 61 with the front compartment 62, rear floor 63, left side sill beam 47, and right side sill beam 48, the position of the mounting notch 61 can be appropriately determined, thereby allowing for an appropriate installation position for the battery pack 5 and reducing the impact of the battery pack 5 on the vehicle's trunk space.

[0036] In some embodiments of the present application, as shown in Figures 1 and 2, the left seal component 74 can be connected to the left side sill beam 47, and in some selectable embodiments of the present application, the left seal component 74 can be installed on the side of the left side sill beam 47 adjacent to the right side sill beam 48, and the left seal component 74 can have a left connecting flange 742 (as shown in Figure 6), and the left connecting flange 742 can be welded to the left side sill beam 47. The right seal component 76 can be connected to the right side sill beam 48, and in some selectable embodiments of the present application, the right seal component 76 can be installed on the side of the right side sill beam 48 adjacent to the left side sill beam 47, and the right seal component 76 can have a right connecting flange 761 (as shown in Figure 7), and the right connecting flange 761 can be welded to the right side sill beam 48. The front end panel 621 can be connected to the front compartment 62, and the rear seal component 75 can be connected to the rear floor 63. By installing it in this manner, the connection between the seal assembly 7 and the vehicle body 6 can be strengthened, reducing the probability of the seal assembly 7 separating from the vehicle body 6, thereby ensuring a secure seal between the vehicle body 6 and the battery pack 5.

[0037] In some optional embodiments of the present invention, the seal assembly 7 can be connected to the vehicle body 6 by welding.

[0038] In some embodiments of the present invention, as shown in Figures 3 and 4, the battery pack 5 may have a plurality of battery pack connection parts 53, each of which may be connected to the corresponding left side sill beam 47 and right side sill beam 48. Specifically, the battery pack 5 may have two battery pack connection parts 53, and along the width direction of the vehicle (i.e., the Y direction shown in Figure 3), the two battery pack connection parts 53 are located on the left and right sides of the battery pack 5, respectively, that is, one of the two battery pack connection parts 53 is installed close to the left side sill beam 47, and the other battery pack connection part 53 is installed close to the right side sill beam 48, the battery pack connection part 53 installed close to the right side sill beam 48 may be connected to the right side sill beam 48, and the battery pack connection part 53 installed close to the left side sill beam 47 may be connected to the left side sill beam 47.

[0039] In some selectable embodiments of the present invention, as shown in Figures 3 and 4, the battery pack connection portion 53 is located below the side sill beam 4 and can be connected to the side sill beam 4 by bolts. In some selectable embodiments of the present invention, the battery pack connection portion 53 can be connected to the side sill inner panel 43 of the side sill beam 4 by bolts. By installing it in this manner, the battery pack 5 can be connected to the side sill beam 4, and the mounting strength of the battery pack 5 can be increased.

[0040] In some selectable embodiments of the present invention, the left and right sides of the battery pack 5 can be connected to the side sill beams 4, the front of the battery pack 5 can be connected to the bottom of the front end of the vehicle, and the rear of the battery pack 5 can be connected to the rear floor 63 of the vehicle. In some selectable embodiments of the present invention, the battery pack 5 and the vehicle body 6 can be connected by bolts.

[0041] In some embodiments of the present invention, as shown in Figures 1 to 4, the vehicle body assembly 100 may further include a seat mounting cross member 199, which may be mounted on a seal assembly 7 along the height direction (i.e., the Z direction shown in Figure 3) of the vehicle body 6, and may be welded to the seal assembly 7. In some optional embodiments of the present invention, the seat mounting cross member 199 may extend along the width direction (i.e., the Y direction shown in Figure 3) of the vehicle body 6, and both ends of the seat mounting cross member 199 may be welded to a left seal component 74 and a right seal component 76, respectively.

[0042] The battery pack 5 can be connected to the seat mounting cross member 199, and the seat mounting cross member 199 can be installed on top of the battery pack 5 along the height direction of the vehicle body 6 (i.e., the Z direction shown in Figure 3), and the battery pack 5 and the seat mounting cross member 199 can be connected by bolts, and in some selectable embodiments of the present invention, the battery pack 5 and the seat mounting cross member 199 can be connected by multiple bolts, and the multiple bolts can be spaced apart along the width direction of the vehicle body 6 (i.e., the Y direction shown in Figure 3). By connecting the battery pack 5 to the seat mounting cross member 199, the mounting rigidity of the battery pack 5 can be improved, preventing the battery pack 5 from separating from the vehicle, and in the event of a side collision, the seat mounting cross member 199 and the battery pack 5 can form at least two transmission paths, allowing the load from the side collision to be transmitted to the non-collision area, thereby improving the impact energy resistance of the vehicle and simultaneously improving the torsional rigidity of the vehicle body.

[0043] In some selectable embodiments of the present invention, the seat mounting cross member 199 may include a front seat mounting cross member 2, and the battery pack 5 may be connected to the front seat mounting cross member 2.

[0044] In some selectable embodiments of the present invention, the seat mounting cross member 199 is located between the front compartment 62 and the rear floor 63 along the longitudinal direction of the vehicle (i.e., the X direction as shown in Figure 1).

[0045] In some embodiments of the present invention, as shown in Figures 1 and 2, the seal assembly 7 may have a connecting arm 741 that protrudes inward from the seal assembly 7, and the connecting arm 741 may be connected to the seat mounting cross member 199, specifically, the connecting arm 741 may be welded to the seat mounting cross member 199. In some optional embodiments of the present invention, the connecting arm 741 may be welded to the bottom of the seat mounting cross member 199. When a vehicle is subjected to a side collision, the connection between the seat mounting cross member 199 and the seal assembly 7 is the main point of load, and by having the seal assembly 7 have a connecting arm 741 that protrudes inward from the seal assembly 7, and by connecting the connecting arm 741 to the seat mounting cross member 199, the connection strength of the connection between the seat mounting cross member 199 and the seal assembly 7 can be improved, thereby improving the impact resistance performance of the vehicle and improving the safety of the vehicle.

[0046] In some embodiments of the present invention, as shown in Figures 1 and 2, the seal assembly 7 may include a left seal component 74, a rear seal component 75, and a right seal component 76, and both the left seal component 74 and the right seal component 76 may be connected to the rear seal component 75.

[0047] Specifically, one end of the front end panel 621 can be connected to one end of the left seal component 74, the other end of the left seal component 74 can be connected to one end of the rear seal component 75, the other end of the rear seal component 75 can be connected to one end of the right seal component 76, and the other end of the right seal component 76 can be connected to the other end of the front end panel 621. The left seal component 74 may have a connecting arm 741, and the connecting arm 741 of the left seal component 74 may extend toward the right seal component 76 along the width direction of the vehicle (i.e., the Y direction shown in Figure 1). Alternatively, the right seal component 76 may have a connecting arm 741, and the connecting arm 741 of the right seal component 76 may extend toward the left seal component 74 along the width direction of the vehicle (i.e., the Y direction shown in Figure 1). Alternatively, both the left seal component 74 and the right seal component 76 may have connecting arms 741 that extend toward each other. Furthermore, the seat mounting cross member 199 can be connected to the left seal component 74 and the right seal component 76. Both the left seal component 74 and the right seal component 76 have a connecting arm 741, and by connecting the connecting arm 741 to the seat mounting cross member 199, the connection strength between the seat mounting cross member 199 and the left seal component 74 and the right seal component 76 can be improved, reducing the risk of breakage at the connection point between the seat mounting cross member 199 and the left seal component 74 and the right seal component 76, thereby improving vehicle safety.

[0048] In some embodiments of the present invention, as shown in Figure 1, the length of the connecting arm 741 may be J1, and J1 can satisfy the relationship 60 mm ≤ J1 ≤ 100 mm. That is, the length of the connecting arm 741 may be any value between 60 mm and 100 mm, for example, 60 mm, 80 mm, 100 mm, etc., but is not limited to these. The length of the connecting arm 741 is the length along which the connecting arm 741 is aligned with the width direction of the vehicle (i.e., the Y direction shown in Figure 1). By installing it in this way, the length of the connecting arm 741 can be made appropriate, the connection strength between the left seal component 74 and / or the right seal component 76 and the seat mounting cross member 199 can be reliably improved, and the risk of breakage occurring at the connection between the seat mounting cross member 199 and the left seal component 74 and the right seal component 76 can be reduced.

[0049] The vehicle according to this embodiment includes the above-described body assembly 100, and by arranging the battery pack 5 to constitute at least a portion of the floor of the body assembly 100, a portion of the floor of the conventional body can be omitted, which is advantageous for lightweight vehicle design and for improving the vehicle's driving range. Furthermore, the seal assembly 7 and the front end panel 621 can seal the gap between the body 6 and the battery pack 5, improving the airtightness of the passenger compartment, which is advantageous for improving the passenger comfort of the vehicle.

[0050] Furthermore, in the description of this application, terms such as "center," "vertical direction," "horizontal direction," "length," "width," "thickness," "top," "bottom," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "clockwise," "counterclockwise," "axial direction," "radial direction," and "circumferential direction" indicate directions or positional relationships, which are shown based on the drawings. These terms merely facilitate and simplify the description of this application and do not indicate or imply that the indicated devices or elements have a specific direction, or that they should be composed of and operated in a specific direction. Therefore, they should not be understood as limiting this application.

[0051] In the description of this application, "first feature" and "second feature" may include one or more such features.

[0052] In the description of this application, "multiple" means two or more.

[0053] In the description of this application, the phrase "on top of" or "below" the second feature of the first feature may include cases where the first and second features are in direct contact, and may also include cases where the first and second features are not in direct contact but are in contact via other features between them.

[0054] In the description of this application, the position of the first feature "above," "above," and "above" the second feature includes the position of the first feature directly above or diagonally above the second feature, or simply indicates that the horizontal altitude of the first feature is higher than that of the second feature.

[0055] In this specification, references to the terms “one embodiment,” “several embodiments,” “exemplary embodiment,” “example,” “specific example,” or “several examples” mean that the specific features, structures, materials, or properties described in combination with the embodiment or described in the example are included in at least one embodiment or example of this application. The exemplary expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or properties described may be combined in an appropriate manner in any embodiment or example.

[0056] Although embodiments of the present application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is limited by the claims and their equivalents. [Explanation of Symbols]

[0057] Body assembly 100, Seat mounting cross member 199, front seat mounting rear cross member 2, Side sill beam 4, side sill inner panel 43, left side sill beam 47, right side sill beam 48, Battery pack 5, battery pack connector 53, sealing surface 54, flexible sealing part 55, Body 6, Mounting notch 61, Front compartment 62, Front end panel 621, Rear floor 63, Seal assembly 7, relief hole 71, projection structure 72, seal projection 721, left seal part 74, connecting arm 741, left connecting flange 742, rear seal part 75, right seal part 76, right connecting flange 761.

Claims

1. A vehicle body assembly, Includes the vehicle body, battery pack, seal assembly and front end panel, The aforementioned vehicle body has mounting notches, The battery pack is provided on the vehicle body and shields the mounting notch, and the battery pack is arranged to constitute at least a portion of the floor of the vehicle body assembly. A vehicle body assembly wherein, along the longitudinal direction of the vehicle body, the front end panel is located in front of the seal assembly, and the front end panel is connected to the seal assembly to form an annular structure, and at least a portion of the seal assembly and at least a portion of the front end panel are both located between the vehicle body and the battery pack to seal the gap between the vehicle body and the battery pack.

2. The vehicle body assembly according to claim 1, wherein the battery pack is provided below the seal assembly along the height direction of the vehicle body, and the lower surfaces of the battery pack and the seal assembly are sealed.

3. The vehicle body assembly according to claim 1 or 2, wherein both the seal assembly and the front end panel have seal protrusions that project toward the battery pack, and the seal protrusions of the seal assembly and the seal protrusions of the front end panel fit together to form an annular projection structure, thereby sealing the lower surface of the seal protrusions and the battery pack.

4. The seal assembly includes a left seal component, a right seal component, and a rear seal component, the left seal component and the right seal component being provided opposite and spaced apart along the width direction of the vehicle body, and the front end panel, the left seal component, the rear seal component, and the right seal component being connected sequentially at the front and rear ends. The vehicle body assembly according to claim 3, wherein at least one of the left seal component, the rear seal component, and the right seal component is connected to the vehicle body, and the left seal component, the rear seal component, and the right seal component all form part of the projection structure.

5. The vehicle body assembly according to claim 3 or 4, wherein a sealing surface is formed on the battery pack, and the lower surface of the sealing projection conforms to the sealing surface.

6. A vehicle body assembly according to any one of claims 1 to 5, further comprising a flexible seal component, the flexible seal component being sandwiched between the battery pack and the seal assembly.

7. The vehicle body assembly according to any one of claims 1 to 6, wherein the seal assembly is located within the mounting notch, and the distance between the seal assembly and the upper end of the mounting notch is less than the distance between the seal assembly and the lower end of the mounting notch along the height direction of the vehicle body.

8. The vehicle body assembly according to claim 4, wherein the vehicle body includes a front compartment, a rear floor, a left side sill beam, and a right side sill beam, and the front compartment, the rear floor, the left side sill beam, and the right side sill beam jointly define the mounting notch.

9. The vehicle body assembly according to claim 8, wherein the left seal component is connected to the left side sill beam, the right seal component is connected to the right side sill beam, the front end panel is connected to the front compartment, and the rear seal component is connected to the rear floor.

10. The vehicle body assembly according to claim 8, wherein the battery pack has a plurality of battery pack connection parts, and each of the plurality of battery pack connection parts is connected to the corresponding left side sill beam and the right side sill beam.

11. A vehicle body assembly according to any one of claims 1-10, further comprising a seat mounting cross member, wherein the seat mounting cross member is provided on and connected to the seal assembly along the height direction of the vehicle body, and the battery pack is connected to the seat mounting cross member.

12. The vehicle body assembly according to claim 11, wherein the seal assembly has a connecting arm that protrudes inward toward the inside of the seal assembly, and the connecting arm is connected to the seat mounting cross member.

13. The vehicle body assembly according to claim 11 or 12, wherein the seal assembly includes a left seal component, a rear seal component, and a right seal component, the left seal component and the right seal component are both connected to the rear seal component, and the left seal component and / or the right seal component have the connecting arm.

14. The vehicle body assembly according to claim 12 or 13, wherein the length of the connecting arm is J1, and the relationship 60 mm ≤ J1 ≤ 100 mm is satisfied.

15. A vehicle comprising a vehicle body assembly of the vehicle according to any one of claims 1-14.

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