Vehicle body rear collision protection structure and vehicle

Abstract

The invention provides a vehicle body rear collision protection structure and a vehicle. The vehicle body rear collision protection structure comprises a rear floor assembly, a storage box, a high-voltage module and a guide support. The storage box is fixed on the rear floor assembly, and the high-voltage module and the guide bracket are arranged in the storage box. And the high-voltage module is fixed with the guide bracket and the storage box. The front portion of the guide support is raised relative to the rear portion of the guide support, and the guide support drives the high-voltage module to slide forwards and upwards when the rear portion of the vehicle body is subjected to external force. According to the invention, the high-voltage module and the guide bracket are compactly integrated in the storage box in a non-collision state, so that the space occupied by arrangement of parts is reduced. Meanwhile, through the design that the front portion is high and the rear portion is low, the high-voltage module is guided to slide forwards and upwards when the rear portion of the vehicle body is subjected to external force, the high-voltage module is separated from an extruded area, and therefore extrusion damage and high-voltage electric leakage of the high-voltage module are prevented, and collision safety is improved.

Description

Technical Field

[0001] This application relates to the field of vehicles, and more particularly to a rear-end collision protection structure and vehicle. Background Technology

[0002] As the automotive industry moves towards new energy vehicles, hybrid and range-extended electric vehicles have become important market trends due to their balance of fuel economy and range. These vehicles have complex engine compartment structures, integrating a large engine, intake system, exhaust system, as well as components such as a front motor, electric air conditioning compressor, PTC (positive temperature coefficient heater), and electrical distribution box. This results in insufficient space for the high-voltage electrical modules traditionally located in the engine compartment, necessitating a redesigned layout.

[0003] For vehicles with seating arrangements, interior space is often limited, and high-voltage electrical modules are highly sensitive to ambient temperature. Therefore, the rear storage compartment becomes a suitable location. In existing technologies, during a rear-end collision, components such as the rear bumper beam and rear sill can deform under pressure, potentially compressing the rear storage compartment and its internal high-voltage electrical modules. Due to the lack of effective protective structures, these modules are easily damaged, affecting vehicle functionality and potentially causing serious safety incidents such as high-voltage leakage, threatening the lives of occupants. Furthermore, traditional high-voltage electrical module placement and protective structures often struggle to balance safety and space utilization, failing to meet the dual requirements of high-voltage safety and practical space utilization in current vehicle models.

[0004] Therefore, it is necessary to provide an improved rear-end collision protection structure and vehicle to solve the above problems. Summary of the Invention

[0005] This application provides a rear-end collision protection structure and vehicle that occupies little space and has high collision safety.

[0006] This application provides a rear collision protection structure for a vehicle body, including: a rear floor assembly, a storage box, a high-voltage module, and a guide bracket. The storage box is fixed to the rear floor assembly, and the high-voltage module and the guide bracket are disposed inside the storage box. The high-voltage module is fixed to the guide bracket and the storage box. The front part of the guide bracket is raised relative to the rear part of the guide bracket. When the rear of the vehicle body is subjected to an external force, the guide bracket drives the high-voltage module to slide forward and upward.

[0007] Furthermore, the front part of the high-voltage module is raised relative to the rear part of the high-voltage module; the front part of the high-voltage module is fixed to the guide bracket, and the rear part of the high-voltage module is fixed to the storage box.

[0008] Furthermore, the high-voltage module is fixed to the storage box and the guide bracket through several mounting points; the several mounting points include a front mounting point and a rear mounting point; the front mounting point is located on the guide bracket, and the rear mounting point is located on the storage box.

[0009] Furthermore, the guide bracket includes a bracket body and a guide portion. The guide portion extends forward from the front end of the bracket body and bends upward. A cavity is formed inside the storage box, and an inclined guide surface is formed on the front sidewall surrounding the cavity. The guide portion fits into the guide surface, and the bracket body is fixed to the bottom of the storage box.

[0010] Furthermore, the rear floor assembly includes a rear crossbeam located in front of the storage box, and the front end of the guide portion is higher than the height of the rear crossbeam.

[0011] Furthermore, the guide bracket also includes a support portion extending from the bracket body and bent downwards, the support portion being fixed to the bottom of the storage box.

[0012] Furthermore, the high-voltage module includes a charging module, the guide bracket includes a first guide bracket, a cavity is formed inside the storage box, the charging module is disposed in the cavity, and the first guide bracket is disposed at the bottom of the cavity and close to the front side of the cavity.

[0013] Furthermore, the high-voltage module also includes a voltage conversion module flush with the charging module, and the guide bracket also includes a second guide bracket. The voltage conversion module is disposed in the cavity, and the second guide bracket is disposed at the bottom of the cavity and close to the front side of the cavity.

[0014] Furthermore, a muffler is provided below the storage box, and the muffler is fixed to the rear floor assembly. In the event of a rear collision, the muffler supports the storage box and the high-voltage module.

[0015] This application also provides a vehicle, including the rear collision protection structure and anti-collision beam, rear panel, and seat rail as described above, wherein the storage box, the high-voltage module, and the guide bracket are disposed between the rear panel and the seat rail.

[0016] This application compactly integrates the high-voltage module and guide bracket within the storage compartment in a non-collision state, reducing the space occupied by component placement. Simultaneously, the guide bracket's front-high, rear-low design guides the high-voltage module forward and upward when subjected to external force at the rear of the vehicle, disengaging it from the crushed area. This prevents damage to the high-voltage module from compression and high-voltage leakage, thus improving collision safety. Attached Figure Description

[0017] Figure 1 This is a side view of the rear-end collision protection structure of the vehicle body assembled into the vehicle.

[0018] Figure 2 This is a partial enlarged view of the rear collision protection structure of the vehicle body assembled into the vehicle.

[0019] Figure 3 yes Figure 1 The diagram shows a top view of the rear-side collision protection structure assembled onto the vehicle.

[0020] Figure 4 This is a perspective view of the assembled storage box, high-voltage module, and guide bracket of this application.

[0021] Figure 5 yes Figure 4 The image shows a perspective view of the assembled storage box, high-voltage module, and guide bracket.

[0022] Figure 6 yes Figure 4 The image shows a 3D view of the assembled storage box and guide bracket.

[0023] Figure 7 yes Figure 4 The diagram shows a three-dimensional view of the assembled storage box, charging module, and first guide bracket.

[0024] Figure 8 yes Figure 4 A 3D view of the storage box shown.

[0025] Figure 9 This is a perspective view of the first guide bracket of this application.

[0026] Figure 10 yes Figure 9 The side view of the first guide bracket shown.

[0027] Figure 11 This is a perspective view of the second guide bracket of this application.

[0028] Figure 12 yes Figure 11 The side view of the second guide bracket shown.

[0029] Figure 13 This is a side view of the vehicle in the initial state when it is subjected to a rear-end collision.

[0030] Figure 14 This is a side view of the vehicle in this application under another state when it is subjected to a rear-end collision.

[0031] Figure 15 This is a side view of the vehicle in this application under another state of rear-end collision.

[0032] Explanation of icon numbers:

[0033] 100. Rear vehicle collision protection structure; 10. Rear floor assembly; 11. Rear crossbeam; 12. Rear floor body; 13. Rear wheel arch; 14. Rear longitudinal beam; 20. Storage box; 21. Cavity; 22. Guide surface; 23. Box body; 231. First mounting platform; 232, 232'. Fixing post; 24. Flanged edge; 30. High voltage module; 31. Charging module; 311, 311'. First mounting bracket; 3111, 3111'. Mounting hole; 312, 312'. Second mounting bracket; 3121, 3121'. Fixing hole; 32. Voltage conversion module; 40, guide bracket; 401, 401', bracket body; 4011, opening; 4012, reinforcing rib; 4013, 4013', mounting column; 402, 402', guide part; 403, 403', support part; 4031, bending piece; 4032, support piece; 41, first guide bracket; 42, second guide bracket; 50, mounting point; 51, 51', front mounting point; 52, 52', rear mounting point; 60, muffler; 200, anti-collision beam; 300, rear panel; 400, seat slide rail. Detailed Implementation

[0034] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0035] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0036] See Figure 1 and Figure 2As shown, this application provides a rear-end collision protection structure 100 for protecting a high-voltage module 30 from crush damage when subjected to external force at the rear of the vehicle. The rear-end collision protection structure 100 includes a rear floor assembly 10, a storage box 20, a high-voltage module 30, a guide bracket 40, and a muffler 60. The storage box 20 is fixed to the rear floor assembly 10. The high-voltage module 30 and the guide bracket 40 are disposed within the storage box 20. The high-voltage module 30 is fixed to the guide bracket 40 and the storage box 20. The muffler 60 is located below the storage box 20.

[0037] Please also see Figure 3 As shown, the rear floor assembly 10 includes a rear crossbeam 11, a rear floor body 12, a rear wheel arch 13, and a rear longitudinal beam 14. The rear crossbeam 11 is connected to the rear floor body 12 and extends along the width direction of the vehicle body. The rear crossbeam 11 is located in front of the storage box 20, and the front part of the storage box 20 overlaps the rear crossbeam 11. The rear floor body 12 extends along the length direction of the vehicle body. The rear wheel arch 13 and the rear longitudinal beam 14 are disposed on both sides of the rear floor body 12. The rear wheel arch 13 is located on the outer side of the rear longitudinal beam 14. According to an embodiment of this application, the rear floor assembly 10 is integrally formed from cast aluminum.

[0038] See Figures 4 to 7 As shown, a cavity 21 is formed within the storage box 20. The high-voltage module 30 and the guide bracket 40 are disposed within the cavity 21. The storage box 20 includes a box body 23 and a flange 24 disposed on the outer edge of the box body 23. The flange 24 is arranged around the box body 23 and is approximately rectangular. The front sidewall of the box body 23 forming the cavity 21 forms an inclined guide surface 22, and the front end of the guide bracket 40 is in contact with the guide surface 22.

[0039] According to an embodiment of this application, the guide surface 22 is a flat and continuous inclined surface, and the front end of the guide bracket 40 is in contact with the guide surface 22. During a high-speed rear collision, the front end of the guide bracket 40 slides along the inclined guide surface 22. Furthermore, in another embodiment, the guide surface 22 is arc-shaped with a downwardly recessed middle portion to fit against the front end of the guide bracket 40. According to other embodiments of this application, the guide surface 22 may also be a plurality of flat inclined surfaces or arc-shaped surfaces spaced apart.

[0040] According to an embodiment of this application, the front of the high-voltage module 30 is raised relative to its rear. The tilt angle of the high-voltage module 30 ranges from 5° to 15°; in this embodiment, the tilt angle is 5°. The front of the high-voltage module 30 is fixed to the guide bracket 40, and the rear of the high-voltage module 30 is fixed to the storage box 20. The raised front of the high-voltage module 30 forms a natural tilt angle, which, in conjunction with the guide bracket 40, ensures that the high-voltage module 30 slides upward more smoothly during a collision, reducing frictional resistance. Simultaneously, the fixed rear provides initial stability, preventing loosening in non-collision states.

[0041] According to other embodiments of this application, the front part of the high voltage module 30 engages with the guide bracket 40, and the rear part of the high voltage module 30 can also be directly engaged with the storage box 20 to directly fix the high voltage module 30, the storage box 20 and the guide bracket 40.

[0042] Specifically, the high-voltage module 30 includes a charging module 31 and a voltage conversion module 32. Both the charging module 31 and the voltage conversion module 32 are housed within the cavity 21. The charging module 31 and the voltage conversion module 32 are flush with each other along the width direction of the vehicle body. The front portions of both the charging module 31 and the voltage conversion module 32 are fixed to the guide bracket 40, and the rear portions of both are fixed to the bottom wall of the storage box 20.

[0043] According to the embodiments of this application, the charging module 31 is disposed on the left side along the vehicle's forward direction, and the voltage conversion module 32 is disposed on the right side of the charging module 31. Furthermore, in some other embodiments, the voltage conversion module 32 may be omitted, and only the charging module 31 may be provided.

[0044] See Figures 8 to 12 As shown, the front of the guide bracket 40 is raised relative to the rear. When the rear of the vehicle is subjected to an external force, the guide bracket 40 drives the high-voltage module 30 to slide forward and upward. The guide bracket 40 includes a bracket body 401, a guide portion 402, and a support portion 403. The guide portion 402 extends forward from the front end of the bracket body 401 and bends upward. The guide portion 402 fits against the guide surface 22, and the bracket body 401 is fixed to the bottom of the storage box 20.

[0045] The bracket body 401 is a rectangular sheet metal plate extending along the width of the vehicle body. Two openings 4011 are provided on the bracket body 4011. Reinforcing ribs 4012 are arranged around the outer edge of the openings 4011. A guide portion 402 is smoothly connected to the bracket body 401, and the guide portion 402 is inclined forward and upward relative to the bracket body 401. The angle between the guide portion 402 and the horizontal direction is greater than the angle between the bracket body 401 and the horizontal direction. Two mounting posts 4013 are also provided on the bracket body 401.

[0046] According to the embodiments of this application, the height of the front end of the guide portion 402 is higher than the height of the rear crossbeam 11, and the height of the front end of the guide portion 402 is higher than the height of the flange 24. This prevents the rear crossbeam 11 and the flange 24 from obstructing the sliding of the guide bracket 40 during a rear collision. The front end of the guide portion is higher than the rear crossbeam 11 to prevent the rear crossbeam 11 from blocking the upward sliding movement of the guide bracket 40 during a collision, ensuring that the high-voltage module 30 smoothly avoids the compression zone.

[0047] The support portion 403 extends from the bracket body 401 and bends downward, and is fixed to the bottom of the storage box 20. In the embodiment of this application, there are three support portions 403, two of which are located on both sides of the bracket body 401, and the remaining support portion 403 is located on the rear side of the bracket body 401. The support portion 403 includes a bent piece 4031 connected to the bracket body 401 and a support piece 4032 connected to the bent piece 4031. The support piece 4032 and the bent piece 4031 have an included angle, and the support piece 4032 is fixed to the bottom of the box 23.

[0048] According to an embodiment of this application, the guide bracket 40 includes a first guide bracket 41 and a second guide bracket 42. The first guide bracket 41 and the second guide bracket 42 are flush with each other along the width direction of the vehicle body. The first guide bracket 41 and the second guide bracket 42 are disposed at the bottom of the cavity 21 and near the front side of the cavity 21. The charging module 31 is disposed on the first guide bracket 41, and the voltage conversion module is disposed on the second guide bracket 42.

[0049] According to other embodiments of this application, the first guide bracket 41 and the second guide bracket 42 can also be integrally formed into a bracket, with the charging module 31 and the voltage conversion module 32 both disposed on the bracket.

[0050] The first guide bracket 41 includes a bracket body 401, a guide portion 402, and a support portion 403. The guide portion 402 extends forward from the front end of the bracket body 401 and bends upward. The support portion 403 extends from the bracket body 401 and bends downward. The second guide bracket 42 includes a bracket body 401', a guide portion 402', and a support portion 403'. The guide portion 402' extends forward from the front end of the bracket body 401' and bends upward. The support portion 403' extends from the bracket body 401' and bends downward. The upward bending design of the guide portion allows it to slide against the guide surface 22 during collisions, guiding the high-voltage module 30 to move smoothly upward.

[0051] The first guide bracket 41 is fixed to the storage box 20 by three support parts 403, which are respectively located on both sides of the bracket body 401 along the width direction of the vehicle body and on the rear side along the length direction of the vehicle body. The second guide bracket 42 is also fixed to the storage box 20 by three support parts 403', which are respectively located on both sides of the bracket body 401' along the width direction of the vehicle body and on the rear side along the length direction of the vehicle body.

[0052] The high-voltage module 30 is fixed to the storage box 20 and the guide bracket 40 via several mounting points 50. These mounting points 50 include a front mounting point 51 and a rear mounting point 52. The front mounting point 51 is located on the guide bracket 40, securing the high-voltage module 30 to the guide bracket 40. The rear mounting point 52 is located on the storage box 20, securing the high-voltage module 30 to the storage box 20. The front mounting point 51 ensures the guide bracket 40 and the high-voltage module 30 are linked, while the rear mounting point 52 provides initial fixation upon impact but allows for controlled release as the impact intensifies, preventing the sliding structure from jamming.

[0053] See Figure 3 and Figure 4 As shown, each high-voltage module 30 has four mounting points 50, with two front mounting points 51 and two rear mounting points 52. The two front mounting points 51 of the charging module 31 are located on both sides of the charging module 31 along the width direction of the vehicle body. The two rear mounting points 52 of the charging module 31 are located on the rear side of the charging module 31. Each front mounting point 51 includes a mounting post 4013 on the bracket body 401 and first mounting brackets 311 on both sides of the charging module 31. The first mounting bracket 311 has mounting holes 3111, and the mounting post 4013 is assembled into the mounting holes 3111 to fix the first mounting bracket 311 and the first guide bracket 41.

[0054] The rear mounting point 52 includes a first mounting platform 231 located at the bottom of the housing 23 and a second mounting bracket 312 located on the rear side of the charging module 31. The first mounting platform 231 is provided with a fixing post 232, and the second mounting bracket 312 is provided with a fixing hole 3121. The fixing post 232 is assembled into the fixing hole 3121 to fix the second mounting bracket 312 and the housing 23.

[0055] Two front mounting points 51' of the voltage conversion module 32 are located on the front side of the voltage conversion module 32 along the length of the vehicle body, one rear mounting point 52' is located on one side of the voltage conversion module 32 along the width of the vehicle body, and the other rear mounting point 52' is located on the rear side of the voltage conversion module 32 along the length of the vehicle body. The front mounting point 51' includes a mounting post 4013' on the bracket body 401' and a first mounting bracket 311' located on the front side of the voltage conversion module 32. The first mounting bracket 311' has mounting holes 3111', and the mounting post 4013' is assembled into the mounting holes 3111' to fix the first mounting bracket 311' and the second guide bracket 42.

[0056] The rear mounting point 52' includes a first mounting platform 231' located at the bottom of the housing 23 and a second mounting bracket 312' located at the rear or sides of the voltage conversion module 32. The first mounting platform 231' has a fixing post 232', and the second mounting bracket 312' has a fixing hole 3121'. The fixing post 232' is assembled into the fixing hole 3121' to fix the second mounting bracket 312' to the housing 23.

[0057] See Figures 13 to 15 As shown, the muffler 60 is fixed to the rear floor assembly 10. In the event of a rear-end collision, the muffler 60 supports the storage box 20 and the high-voltage module 30. The storage box 20 is made of plastic and is fragile in a rear-end collision. The muffler 60 is used to prevent the guide bracket 40 and the high-voltage module 30 from falling off when the storage box 20 breaks.

[0058] This application also provides a vehicle, including the rear collision protection structure 100 and anti-collision beam 200 as described above, a rear bulkhead 300, and a seat rail 400. The seat rail 400 is disposed on the rear floor body 12. A storage box 20, a high-voltage module 30, and a guide bracket 40 are disposed between the rear bulkhead 300 and the seat rail 400.

[0059] According to the embodiments of this application, the rear of the vehicle body is subjected to external forces, including rear-end collisions. When the rear-end collision force does not reach a certain level, structures such as the anti-collision beam 200 and the rear panel 300 can withstand the rear-end collision force, protecting the storage box 20 and the high-voltage module 30 from being squeezed or collided. When the rear-end collision force reaches a certain level, such as in a high-speed rear-end collision, structures such as the anti-collision beam 200 and the rear panel 300 deform, the storage box 20 is damaged by the force, and the guide bracket 40 can drive the high-voltage module 30 to slide forward and upward, thereby effectively avoiding safety problems caused by collision damage to the high-voltage module 30.

[0060] According to other embodiments of this application, the external force on the rear of the vehicle body also includes the rear of the vehicle body being squeezed. When the squeezing force reaches a certain level, the anti-collision beam 200 and the rear panel 300 and other structures are deformed, the storage box 20 is damaged by the force, and the guide bracket 40 drives the high voltage module 30 to slide forward and upward, thereby effectively avoiding the safety problems caused by the collision damage to the high voltage module 30.

[0061] When a vehicle is involved in a rear-end collision, such as Figure 13 As shown, the anti-collision beam 200 presses against the rear panel 300. At this time, the storage box 20 remains intact, and the high-voltage module 30 and guide bracket 40 remain in their original positions. In the event of a further collision, such as... Figure 14 As shown, the storage box 20 was crushed and cracked, and the muffler 60 was slightly deformed. Upon further impact, as... Figure 15As shown, the rear panel 300 continues to press forward, the high-pressure module 30 disengages from the rear mounting point of the storage box 20, the guide bracket 40 disengages from the mounting point of the storage box 20, and the guide bracket 40 drives the high-pressure module 30 to slide forward and upward, and the high-pressure module 30 remains intact.

[0062] This application compactly integrates the high-voltage module 30 and the guide bracket 40 within the storage box 20 in a non-collision state, reducing the space occupied by component placement. Simultaneously, the guide bracket 40's front-high, rear-low design guides the high-voltage module 30 forward and upward when subjected to external force at the rear of the vehicle, allowing the high-voltage module 30 to escape the crushed area, thereby preventing crush damage and high-voltage leakage, and improving collision safety.

[0063] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all 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-end collision protection structure for a vehicle body, characterized in that, include: The rear floor assembly includes a storage box, a high-voltage module, and a guide bracket. The storage box is fixed to the rear floor assembly. The high-voltage module and the guide bracket are located inside the storage box. The high-voltage module is fixed to the guide bracket and the storage box. The front part of the guide bracket is raised relative to the rear part of the guide bracket. When the rear of the vehicle is subjected to an external force, the guide bracket drives the high-voltage module to slide forward and upward.

2. The rear collision protection structure of the vehicle body according to claim 1, characterized in that, The front of the high-voltage module is raised relative to the rear of the high-voltage module; the front of the high-voltage module is fixed to the guide bracket, and the rear of the high-voltage module is fixed to the storage box.

3. The rear collision protection structure of the vehicle body according to claim 2, characterized in that, The high-voltage module is fixed to the storage box and the guide bracket through several mounting points; the several mounting points include a front mounting point and a rear mounting point; the front mounting point is located on the guide bracket and the rear mounting point is located on the storage box.

4. The rear collision protection structure of the vehicle body according to claim 1, characterized in that, The guide bracket includes a bracket body and a guide part. The guide part extends forward from the front end of the bracket body and bends upward. A cavity is formed inside the storage box, and an inclined guide surface is formed on the front side wall surrounding the cavity. The guide part fits into the guide surface, and the bracket body is fixed to the bottom of the storage box.

5. The rear collision protection structure of the vehicle body according to claim 4, characterized in that, The rear floor assembly includes a rear crossbeam located in front of the storage box, and the front end of the guide portion is higher than the height of the rear crossbeam.

6. The rear collision protection structure of the vehicle body according to claim 4, characterized in that, The guide bracket also includes a support portion extending from the bracket body and bent downwards, the support portion being fixed to the bottom of the storage box.

7. The rear collision protection structure of the vehicle body according to claim 1, characterized in that, The high-voltage module includes a charging module, the guide bracket includes a first guide bracket, a cavity is formed inside the storage box, the charging module is disposed in the cavity, and the first guide bracket is disposed at the bottom of the cavity and close to the front side of the cavity.

8. The rear collision protection structure of the vehicle body according to claim 7, characterized in that, The high-voltage module also includes a voltage conversion module flush with the charging module, and the guide bracket also includes a second guide bracket. The voltage conversion module is disposed in the cavity, and the second guide bracket is disposed at the bottom of the cavity and close to the front side of the cavity.

9. The rear collision protection structure of the vehicle body according to claim 1, characterized in that, A muffler is provided below the storage box. The muffler is fixed to the rear floor assembly. In the event of a rear collision, the muffler supports the storage box and the high-voltage module.

10. A vehicle, characterized in that, The vehicle includes a rear collision protection structure and anti-collision beam, a rear panel, and a seat rail as described in any one of claims 1-9, wherein the storage box, the high-voltage module, and the guide bracket are disposed between the rear panel and the seat rail.

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