A kind of threshold beam structure, battery pack mounting structure and vehicle

Abstract

The embodiment of the application provides a threshold beam structure, a battery pack mounting structure and a vehicle, which comprise a threshold beam inner plate and a connecting support, the threshold beam inner plate has a mounting portion, the connecting support is independently arranged from the threshold beam inner plate and is fixed to the mounting portion, and the connecting support is suitable for being detachably connected with a battery pack support of a battery swap battery pack. The threshold beam structure of the application has the connecting support independently arranged from the threshold beam inner plate and fixed to the mounting portion of the threshold beam inner plate, and the connecting support is detachably connected with the battery pack support of the battery swap battery pack. In this way, the threshold beam inner plate is not directly connected with the battery pack support of the battery swap battery pack, when it is necessary to adapt to the battery pack supports of two different mounting modes, the profile of the threshold beam inner plate does not need to be changed, and only the adaptive connecting support needs to be replaced, so that the range of vehicle body change is small.

Description

Technical Field

[0001] This application relates to the field of vehicle body technology, and in particular to a door sill beam structure, a battery pack mounting structure, and a vehicle. Background Technology

[0002] In existing technologies, the mounting brackets for battery swapping packs are typically directly fixed to the door sill beam. For battery pack brackets with two different connection methods, the only option is to modify the profile of the door sill beam to accommodate the battery pack mounting brackets for battery swapping, resulting in significant modifications to the vehicle body. Utility Model Content

[0003] This application provides a door sill beam structure, a battery pack mounting structure, and a vehicle, aiming to solve the problem in the prior art that, for battery pack brackets with two different connection methods, only the profile of the door sill beam can be modified to adapt to the battery pack mounting bracket of the battery swapping battery pack, resulting in a large range of vehicle body modifications.

[0004] To address the aforementioned issues, this application provides a sill beam structure, comprising an inner sill beam plate and a connecting bracket. The inner sill beam plate has a mounting portion, and the connecting bracket is disposed independently of the inner sill beam plate and fixed to the mounting portion. The connecting bracket is adapted to be detachably connected to the battery pack bracket of a battery swapping battery pack.

[0005] In this embodiment of the sill beam structure, the connecting bracket is independently set on the inner sill beam panel and fixed to the mounting part of the inner sill beam panel. The connecting bracket is detachably connected to the battery pack bracket of the battery swapping pack. Thus, the inner sill beam panel is not directly connected to the battery pack bracket of the battery swapping pack. When it is necessary to adapt to two different battery pack bracket installation methods, there is no need to modify the shape of the inner sill beam panel; only the matching connecting bracket needs to be replaced, minimizing the scope of vehicle body modifications. Therefore, the inner sill beam panel can be used interchangeably for two different types of battery swapping packs, thereby reducing vehicle body mold costs and shortening the vehicle body development cycle.

[0006] Optionally, the connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via a bolt assembly; The bolt assembly includes a bolt and a nut. The connecting bracket is provided with a first through hole, and the mounting part is provided with a second through hole facing the first through hole. The nut is fixed to the connecting bracket around the first through hole. The shank of the bolt can pass through the battery pack bracket, the second through hole and the first through hole in sequence and be tightened in the nut to detachably connect the connecting bracket and the battery pack bracket.

[0007] In this way, the connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via bolt assembly, resulting in a simple connection structure and high connection strength.

[0008] During assembly, due to space constraints, the area where the connecting bracket is located in the inner plate of the sill beam cannot be operated. Pre-fixing the nuts to the connecting bracket can reduce the assembly difficulty.

[0009] Optionally, the connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via a snap-fit ​​assembly; The locking assembly includes a housing, a locking pin, an elastic element, and a threaded sleeve. One end of the locking pin is provided with a locking block, and the other end of the locking pin is threaded into the threaded sleeve. The threaded sleeve is rotatably connected to the housing, and the axial displacement of the threaded sleeve is restricted. The locking block is located outside the housing, and the housing is fixed inside the battery pack mounting bracket. The connecting bracket is provided with a first long through hole, and the mounting part is provided with a second long through hole facing the first long through hole. The locking block can rotate by a preset angle after passing through the second long through hole and the first long through hole, so as to press against the upper surface of the connecting bracket under the elastic force of the elastic member, so as to detachably connect the connecting bracket and the battery pack bracket.

[0010] In this way, the connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via the snap-fit ​​assembly. The snap-fit ​​connection method is simpler and more time-saving to operate.

[0011] The locking block of the locking pin is elongated. The length and width of the first and second elongated through holes are adapted to the length and width of the locking block. The locking block first passes through the second and first elongated through holes, and then the operating sleeve is rotated by a preset angle to rotate the locking block by a preset angle, so that the length direction of the locking block is offset from the length direction of the first elongated through hole. Because the force of the elastic element causes the locking block to tend to move towards the outer casing, after the locking block rotates by the preset angle, under the elastic force of the elastic element, the locking block presses against the upper surface of the connecting bracket to detachably connect the connecting bracket and the battery pack bracket.

[0012] Optionally, the mounting portion has an outwardly opening cavity, and the connecting bracket is fixed in the cavity.

[0013] In this way, the connecting bracket is completely housed within the internal space of the sill beam's inner plate, preventing interference between the connecting bracket and other components. Furthermore, the connecting bracket also strengthens the inner plate of the sill beam.

[0014] Optionally, the mounting portion includes a top plate, a bottom plate, and a side plate. The top plate and the bottom plate extend in the inward and outward directions of the vehicle, and the side plate extends in the vertical direction of the vehicle. The top plate is located above the bottom plate, and the side plate is connected between the inner side of the top plate and the inner side of the bottom plate. The top plate, the bottom plate, and the side plates form the cavity.

[0015] In this way, the mounting part has a U-shaped structure with the opening facing outwards, which provides better strength.

[0016] Optionally, the connecting bracket includes a first bracket plate and a second bracket plate. The first bracket plate extends along the inward and outward directions of the vehicle, and the second bracket plate extends along the vertical direction of the vehicle. The first bracket plate is attached to and fixed to the upper surface of the base plate, and the second bracket plate is attached to and fixed to the outer surface of the side plate.

[0017] In this way, the connecting bracket is roughly L-shaped. The first bracket plate of the connecting bracket is fixed to the bottom plate of the mounting part, and the second bracket plate of the connecting bracket is fixed to the side plate of the mounting part. In this way, the connecting bracket can strengthen the bottom and sides of the inner plate of the sill beam, further improving the strength of the inner plate of the sill beam.

[0018] Optionally, multiple connecting brackets are provided, and the multiple connecting brackets are arranged at intervals along the front-rear direction of the vehicle.

[0019] In this way, the multiple connecting brackets are detachably connected to the multiple battery pack brackets on the same side of the battery pack, so as to realize multi-point installation on one side of the battery pack, and increase the connection strength and reliability.

[0020] On the other hand, this application provides a battery pack installation structure, including a swappable battery pack and a sill beam structure as described in the above embodiment. Two sill beam structures are provided along the left and right directions of the vehicle. Battery pack brackets are provided on both the left and right sides of the swappable battery pack. The connecting bracket of the left sill beam structure is detachably connected to the left battery pack bracket, and the connecting bracket of the right sill beam structure is detachably connected to the right battery pack bracket.

[0021] Optionally, the battery pack mounting structure further includes a rear floor crossbeam, which is fixed to the bottom of the rear floor of the vehicle. The battery pack mounting bracket is provided on the rear side of the battery pack, and the rear battery pack mounting bracket is detachably connected to the rear floor crossbeam.

[0022] The rear battery pack mounting bracket is connected to the rear floor via a crossbeam. When adapting to two different battery pack mounting methods, the rear floor profile does not need to be modified, minimizing vehicle body modifications. Therefore, the rear floor is interchangeable for two different types of battery packs, reducing vehicle body mold costs and shortening the vehicle body development cycle.

[0023] The battery pack mounting structure of this application embodiment has all the advantages of the sill beam structure or battery pack mounting structure of the above embodiments.

[0024] In another aspect, this application provides a vehicle including the sill beam structure or the battery pack mounting structure of the above embodiments.

[0025] The vehicle of this application embodiment has all the advantages of the sill beam structure of the above embodiments. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a battery pack mounting structure provided in an embodiment of the present invention; Figure 2 yes Figure 1 Enlarged view of point a in the middle; Figure 3 yes Figure 2 A cross-sectional view along the AA direction; Figure 4 This is a schematic diagram of a battery pack mounting structure provided in another embodiment of the present invention; Figure 5 yes Figure 4 Enlarged view of point b in the middle; Figure 6 yes Figure 5 A cross-sectional view along the BB direction; Figure 7 A schematic diagram (from below) of the battery pack mounting structure and battery swapping pack assembly provided in an embodiment of this utility model. Figure 8 yes Figure 7 A magnified view of point c.

[0027] The reference numerals in the accompanying drawings are as follows: 10. Battery swapping pack; 101. Battery pack bracket; 102. Sleeve; 20. Rear floor crossbeam; 30. Rear floor; 40. Battery swapping communication controller; 1. Threshold beam inner plate; 11. Mounting section; 111. Cavity; 112. Top plate; 113. Bottom plate; 114. Side plate; 12. Top flange; 13. Bottom flange; 2. Connecting bracket; 21. First elongated through hole; 22. First bracket plate; 23. Second bracket plate; 3. Bolt assembly; 31. Bolt; 32. Nut; 4. Locking pin assembly; 41. Housing; 42. Locking pin; 421. Locking block; 422. Spring support platform; 43. Screw sleeve; Detailed Implementation To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0028] In this article, front, back, up, down, left, and right refer to the orientation of the vehicle when it is normally placed on a horizontal plane. Up indicates the direction of the roof, down indicates the direction of the bottom, front points to the front of the vehicle, back points to the rear of the vehicle, inside points to the inside of the vehicle, and outside points to the outside of the vehicle.

[0029] See Figures 1 to 3 The present invention provides a door sill beam structure, including a door sill beam inner plate 1 and a connecting bracket 2. The door sill beam inner plate 1 has a mounting part 11. The connecting bracket 2 is set independently of the door sill beam inner plate 1 and is fixed to the mounting part 11. The connecting bracket 2 is adapted to be detachably connected to the battery pack bracket 101 of the battery swapping battery pack 10.

[0030] In this embodiment of the sill beam structure, the connecting bracket 2 is independently set on the inner sill beam plate 1 and fixed to the mounting part 11 of the inner sill beam plate 1. The connecting bracket 2 is detachably connected to the battery pack bracket 101 of the battery swapping pack 10. Thus, the inner sill beam plate 1 is not directly connected to the battery pack bracket 101 of the battery swapping pack 10. When it is necessary to adapt to two different battery pack brackets 101 with different installation methods, it is not necessary to modify the shape of the inner sill beam plate 1; only the matching connecting bracket 2 needs to be replaced, minimizing the scope of vehicle body modifications. Therefore, the inner sill beam plate 1 can be used interchangeably for two different types of battery swapping packs 10, thereby reducing vehicle body mold costs and shortening the vehicle body development cycle.

[0031] In one embodiment, the connecting bracket 2 is welded and fixed to the inner plate 1 of the threshold beam.

[0032] In one embodiment, see Figure 1 Multiple connecting brackets 1 are provided, and multiple connecting brackets 2 are arranged at intervals along the front and rear direction of the vehicle.

[0033] In this way, multiple connecting brackets 2 can be detachably connected to multiple battery pack brackets 101 on the same side (left or right) of the battery pack 10, so as to realize multi-point installation on one side of the battery pack 10, and increase the connection strength and reliability.

[0034] In one embodiment, see Figures 1 to 3 The connecting bracket 2 can be detachably connected to the battery pack bracket 101 of the battery swapping battery pack 10 via the bolt assembly 3. One bolt assembly 3 is required for each connecting bracket 2.

[0035] In this way, the connecting bracket 2 can be detachably connected to the battery pack bracket 101 of the battery swapping battery pack 10 via the bolt assembly 3. The connection structure is simple and the connection strength is high.

[0036] In one embodiment, see Figure 2 and Figure 3The bolt assembly 3 includes a bolt 31 and a nut 32. The connecting bracket 1 is provided with a first through hole, and the mounting part 11 is provided with a second through hole facing the first through hole. The nut 32 is fixed to the connecting bracket 2 around the first through hole. The shank of the bolt 31 can pass through the battery pack bracket 101, the second through hole and the first through hole in sequence, and be tightened in the nut 32 to detachably connect the connecting bracket 2 and the battery pack bracket 101.

[0037] During assembly, due to space constraints, the area in the inner plate 1 of the sill beam where the connecting bracket 2 is located cannot be accessed. Pre-fixing the nut 32 to the connecting bracket 2 reduces assembly difficulty. The nut 32 can be pre-fixed to the connecting bracket 2 by welding. When tightening the bolt 31, the head of the bolt 31 abuts against the bottom of the battery pack bracket 101. Preferably, a sleeve 102 is provided inside the battery pack bracket 101, and a third through hole is provided at the bottom of the battery pack bracket 101. The sleeve 102 is placed vertically and is located between the second and third through holes in the vertical direction. The shank of the bolt 31 passes through the sleeve 102. The sleeve 102 can be welded to the battery pack bracket 101, for example. The sleeve 102 can guide the bolt 31 during insertion and also enhance the strength of the battery pack bracket 101.

[0038] In another embodiment, see Figures 4 to 6 The connecting bracket 2 can be detachably connected to the battery pack bracket 101 of the battery swapping battery pack 10 via the locking assembly 4. One locking assembly 4 is required for each connecting bracket 2.

[0039] In this way, the connecting bracket 2 can be detachably connected to the battery pack bracket 101 of the battery swapping battery pack 10 via the snap-fit ​​assembly 4. The snap-fit ​​connection method is simpler and more time-saving to operate.

[0040] In another embodiment, see Figure 5 and Figure 6 The locking assembly 4 includes a housing 41, a locking pin 42, an elastic element (not shown in the figure), and a threaded sleeve 43. One end of the locking pin 42 is provided with a locking block 421, and the other end of the locking pin 42 is threadedly connected to the threaded sleeve 43. The threaded sleeve 43 is rotatably connected to the housing 41, and the axial displacement of the threaded sleeve 43 is restricted. The locking block 421 is located outside the housing 41, and the housing 41 is fixed inside the battery pack mounting bracket 101. The force of the elastic element causes the locking block 421 to tend to move towards the housing 41. The connecting bracket 2 is provided with a first elongated through hole 21, and the mounting part 11 is provided with a second elongated through hole facing the first elongated through hole 21. The locking block 421 can rotate a preset angle (e.g., 90 degrees) after passing through the second elongated through hole and the first elongated through hole 21, so as to press against the upper surface of the connecting bracket 2 under the elastic force of the elastic element, so as to detachably connect the connecting bracket 2 and the battery pack bracket 101.

[0041] The locking block 421 of the locking pin 42 is elongated. The length and width of the first elongated through hole 21 and the second elongated through hole are adapted to the length and width of the locking block 421. The locking block 421 of the locking pin 42 first passes through the second elongated through hole and the first elongated through hole 21. Then, the operating screw sleeve 43 is rotated by a preset angle to drive the locking block 421 to rotate by a preset angle, so that the length direction of the locking block 421 is offset from the length direction of the first elongated through hole 21. Since the force of the elastic element makes the locking block 421 tend to move towards the outer shell 41, after the locking block 421 rotates by a preset angle, under the elastic force of the elastic element, the locking block 421 presses against the upper surface of the connecting bracket 101 to tighten the connecting bracket 2 and the battery pack bracket 101, so as to detachably connect the connecting bracket 2 and the battery pack bracket 101.

[0042] The elastic element can be a spring sleeved on the locking pin 42. A spring support platform 422 is provided in the middle of the locking pin 42. The spring support platform 422 is ring-shaped, and the spring is supported between the spring support platform 422 and the side wall of the outer shell 41 near the locking block 421.

[0043] In one embodiment, see Figure 3 The mounting part 11 has an outwardly opening cavity 111, and the connecting bracket 2 is fixed in the cavity 111. Preferably, the connecting bracket 2 is welded to the inner wall of the cavity 111.

[0044] In this way, the connecting bracket 2 is completely contained within the internal space of the sill beam inner plate 1, avoiding interference between the connecting bracket 2 and other components. In addition, the connecting bracket 2 can also enhance the strength of the sill beam inner plate 1.

[0045] In one embodiment, see Figure 3 The mounting section 11 includes a top plate 112, a bottom plate 113, and a side plate 114. The top plate 112 and the bottom plate 113 extend in the inward and outward directions of the vehicle, and the side plate 114 extends in the vertical direction of the vehicle. The top plate 112 is located above the bottom plate 113, and the side plate 114 is connected between the inner side of the top plate 112 and the inner side of the bottom plate 113. The top plate 112, the bottom plate 113, and the side plate 114 form a cavity 111.

[0046] Thus, the mounting part 11 has a U-shaped structure with the opening facing outwards, which provides better strength.

[0047] In one embodiment, see Figure 3 The inner panel 1 of the sill beam also includes a top flange 12 and a bottom flange 13. The lower side of the top flange 12 is connected to the upper side of the side panel 114 and protrudes upward from the upper surface of the side panel 114. The lower side of the bottom flange 13 is connected to the outer side of the bottom panel 113 and protrudes downward from the lower surface of the bottom panel 113. The top flange 12 is suitable for welding to the upper side of the outer panel of the sill beam, and the bottom flange 13 is suitable for welding to the lower side of the outer panel of the sill beam. The inner panel 1 of the sill beam and the outer panel of the sill beam are welded together to form the sill beam.

[0048] In one embodiment, see Figure 2 and Figure 3 The connecting bracket 2 includes a first bracket plate 22 and a second bracket plate 23. The first bracket plate 22 extends along the inside and outside direction of the vehicle, and the second bracket plate 23 extends along the top and bottom direction of the vehicle. The first bracket plate 22 is attached to and fixed to the upper surface of the base plate 113, and the second bracket plate 23 is attached to and fixed to the outer surface of the side plate 114.

[0049] Thus, the connecting bracket 2 is roughly L-shaped. The first bracket plate 22 of the connecting bracket 2 is fixed to the bottom plate 113 of the mounting part 11, and the second bracket plate 23 of the connecting bracket 2 is fixed to the side plate 114 of the mounting part 11. In this way, the connecting bracket 2 can strengthen the bottom and sides of the inner plate 1 of the sill beam, and further improve the strength of the inner plate 1 of the sill beam.

[0050] On the other hand, this application provides a battery pack installation structure, including a battery swapping pack 10 and a sill beam structure as described in the above embodiment. Two sill beam structures are provided along the left and right directions of the vehicle. Battery pack brackets 101 are provided on both the left and right sides of the battery swapping pack 10. The connecting bracket 2 of the left sill beam structure is detachably connected to the left battery pack bracket 101, and the connecting bracket 2 of the right sill beam structure is detachably connected to the right battery pack bracket 101.

[0051] In one embodiment, see Figure 7 and Figure 8 The battery pack mounting structure also includes a rear floor crossbeam 20, which is fixed to the bottom of the rear floor 30 of the vehicle. A battery pack mounting bracket 101 is provided on the rear side of the battery pack 10, and the rear battery pack mounting bracket 101 is detachably connected to the rear floor crossbeam 20.

[0052] The rear battery pack mounting bracket 101 is connected to the rear floor underbeam 20. When it is necessary to adapt to two different mounting methods of the battery pack bracket 101, there is no need to modify the shape of the rear floor 30, and the scope of vehicle body modification is small. Therefore, the rear floor 30 can be used for two different types of battery packs, thereby reducing the cost of vehicle body molds and shortening the vehicle body development cycle.

[0053] exist Figures 1 to 3 In the embodiment shown, the rear battery pack mounting bracket 101 is detachably connected to the rear floor crossbeam 20 via bolt assembly 3.

[0054] exist Figures 4 to 6 In the embodiment shown, the rear battery pack mounting bracket 101 is detachably connected to the rear floor crossbeam 20 via a snap-fit ​​assembly.

[0055] In one embodiment, see Figure 8The rear floor underbeam 20 is also used to install the battery swapping communication controller 40.

[0056] The battery swapping communication controller 40 is installed via the rear floor underbeam 20. When it is necessary to adapt to two different battery pack brackets 101 with different installation methods, there is no need to modify the shape of the rear floor 30, and the scope of vehicle body modification is small. Therefore, the rear floor 30 can be used for two different types of battery swapping battery packs 10, thereby reducing vehicle body mold costs and shortening the vehicle body development cycle.

[0057] The battery pack mounting structure of this application embodiment has all the advantages of the sill beam structure of the above embodiments.

[0058] In another aspect, this application provides a vehicle including the sill beam structure or the battery pack mounting structure of the above embodiments.

[0059] The vehicle of this application embodiment has all the advantages of the sill beam structure of the above embodiments.

[0060] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A threshold beam structure, characterized in that, The device includes an inner sill beam and a connecting bracket. The inner sill beam has a mounting portion, and the connecting bracket is set independently of the inner sill beam and fixed to the mounting portion. The connecting bracket is adapted to be detachably connected to the battery pack bracket of a battery swapping battery pack.

2. The sill beam structure according to claim 1, characterized in that, The connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via a bolt assembly; The bolt assembly includes a bolt and a nut. The connecting bracket is provided with a first through hole, and the mounting part is provided with a second through hole facing the first through hole. The nut is fixed to the connecting bracket around the first through hole. The shank of the bolt can pass through the battery pack bracket, the second through hole and the first through hole in sequence and be tightened in the nut to detachably connect the connecting bracket and the battery pack bracket.

3. The sill beam structure according to claim 1, characterized in that, The connecting bracket can be detachably connected to the battery pack bracket of the battery swapping pack via a snap-fit ​​assembly; The locking assembly includes a housing, a locking pin, an elastic element, and a threaded sleeve. One end of the locking pin is provided with a locking block, and the other end of the locking pin is threaded into the threaded sleeve. The threaded sleeve is rotatably connected to the housing, and the axial displacement of the threaded sleeve is restricted. The locking block is located outside the housing, and the housing is fixed inside the battery pack mounting bracket. The connecting bracket is provided with a first long through hole, and the mounting part is provided with a second long through hole facing the first long through hole. The locking block can rotate by a preset angle after passing through the second long through hole and the first long through hole, so as to press against the upper surface of the connecting bracket under the elastic force of the elastic member, so as to detachably connect the connecting bracket and the battery pack bracket.

4. The sill beam structure according to claim 1, characterized in that, The mounting part has an outward-opening cavity, and the connecting bracket is fixed in the cavity.

5. The sill beam structure according to claim 4, characterized in that, The mounting part includes a top plate, a bottom plate, and a side plate. The top plate and the bottom plate extend in the inward and outward directions of the vehicle, and the side plate extends in the vertical direction of the vehicle. The top plate is located above the bottom plate, and the side plate is connected between the inner side of the top plate and the inner side of the bottom plate. The top plate, the bottom plate, and the side plates form the cavity.

6. The sill beam structure according to claim 5, characterized in that, The connecting bracket includes a first bracket plate and a second bracket plate. The first bracket plate extends along the inward and outward directions of the vehicle, and the second bracket plate extends along the vertical direction of the vehicle. The first bracket plate is attached to and fixed to the upper surface of the base plate, and the second bracket plate is attached to and fixed to the outer surface of the side plate.

7. The sill beam structure according to claim 1, characterized in that, Multiple connecting brackets are provided, and the multiple connecting brackets are arranged at intervals along the front-rear direction of the vehicle.

8. A battery pack mounting structure, characterized in that, The device includes a battery swapping pack and a sill beam structure as described in any one of claims 1-7. Two sill beam structures are provided along the left-right direction of the vehicle. Battery pack brackets are provided on both the left and right sides of the battery swapping pack. The connecting bracket of the left sill beam structure is detachably connected to the left battery pack bracket, and the connecting bracket of the right sill beam structure is detachably connected to the right battery pack bracket.

9. The battery pack mounting structure according to claim 8, characterized in that, The battery pack mounting structure also includes a rear floor crossbeam, which is fixed to the bottom of the rear floor of the vehicle. The battery pack mounting bracket is provided on the rear side of the battery pack, and the rear battery pack mounting bracket is detachably connected to the rear floor crossbeam.

10. A vehicle, characterized in that, Includes the sill beam structure as described in any one of claims 1-7 or the battery pack mounting structure as described in any one of claims 8-9.

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