Vehicle frame structure and vehicle

Abstract

The invention discloses a vehicle frame structure and a vehicle. The vehicle frame structure comprises a vehicle body frame and a battery pack frame, the vehicle body frame comprises side outer plate assemblies, the side outer plate assemblies are located on the left side and the right side of the vehicle body frame, at least part of the side outer plate assemblies extend in the front-back direction of the vehicle body frame, and the battery pack frame is installed on the vehicle body frame and comprises at least one first frame. The first frame extends in the front-back direction of the vehicle, and the first frame is fixedly connected with at least part of the side wall outer plate assembly to form a doorsill beam structure. According to the vehicle frame structure, the first frame and at least part of the side wall outer plate assembly are integrated to form the doorsill beam structure, arrangement of an original doorsill beam structure is reduced, the internal space of a vehicle body is planned more reasonably, the size of a battery pack frame in the left-right direction of the vehicle is increased, more arrangement space is provided for a battery pack, and the service life of the battery pack is prolonged. And the capacity of the battery pack is improved, so that the endurance performance of the whole vehicle is improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a vehicle frame structure and a vehicle. Background Art

[0002] In related technologies, the size of a vehicle's battery pack directly correlates to its capacity and performance. Generally, larger battery packs can accommodate more cells, enabling higher capacity configurations, thereby increasing vehicle range. They also provide continuous and stable power during acceleration and hill climbing, enhancing overall vehicle performance. However, the limited space available for battery pack placement in the underbody of existing vehicles hinders increased capacity. Summary of the Invention

[0003] The present application aims to solve at least one of the above-mentioned technical problems in the prior art to a certain extent. To this end, the present application proposes a vehicle frame structure that is conducive to increasing the capacity of the battery pack.

[0004] The present application also proposes a vehicle having the above vehicle frame structure.

[0005] According to an embodiment of the present application, the vehicle frame structure includes a vehicle body frame and a battery pack frame, the vehicle body frame includes a side outer panel assembly, the side outer panel assembly is located on the left and right sides of the vehicle body frame, at least part of the side outer panel assembly extends along the front and rear directions of the vehicle body frame, the battery pack frame is installed on the vehicle body frame, the battery pack frame includes at least one first frame, the first frame extends along the front and rear directions of the vehicle, the first frame is fixedly connected to at least part of the side outer panel assembly to form a rocker beam structure.

[0006] According to the vehicle frame structure of the embodiment of the present application, the first frame is integrated with at least part of the side outer panel assembly to form a rocker beam structure, thereby reducing the layout of the original rocker beam structure, more reasonably planning the interior space of the vehicle body, and increasing the size of the battery pack frame in the left and right directions of the vehicle, thereby providing more layout space for the battery pack, helping to increase the battery pack capacity, and thereby improving the endurance performance of the entire vehicle.

[0007] According to some embodiments of the present application, there are at least two first frames, and at least two first frames are spaced apart in the left and right directions of the vehicle. The first frames are fixedly connected to at least part of the side panel assembly on the corresponding side to form a rocker beam structure.

[0008] According to some embodiments of the present application, the side panel outer panel assembly includes a side panel sealing portion, and the first frame is fixedly connected to the side panel sealing portion.

[0009] According to some embodiments of the present application, the first frame is at least partially located below the side surrounding sealing portion.

[0010] According to some embodiments of the present application, the side sealing portion includes a sealing inner plate and a sealing outer plate, the first frame is fixedly installed on the sealing inner plate, the sealing outer plate is located on the side of the sealing inner plate away from the first frame, the sealing inner plate is fixedly connected to the sealing outer plate, and a first chamber is formed between the sealing outer plate and the sealing inner plate.

[0011] According to some embodiments of the present application, the sealed inner plate includes a sealed inner plate first section, a sealed inner plate second section and a sealed inner plate third section. The sealed inner plate first section is located on the side of the sealed inner plate third section close to the battery pack frame. The sealed inner plate second section connects the sealed inner plate first section and the sealed inner plate third section. The sealed inner plate first section extends upward relative to the sealed inner plate second section, and the sealed inner plate third section extends downward relative to the sealed inner plate second section. The first frame is fixedly installed on the sealed inner plate second section, and the first frame is separated from the sealed inner plate third section.

[0012] According to some embodiments of the present application, the third section of the sealed inner plate is located outside the first frame, and the minimum distance between the outer side surface of the first frame and the third section of the sealed inner plate is H4, and H4 satisfies: 5mm≤H4≤20mm.

[0013] According to some embodiments of the present application, in the left-right direction of the vehicle, the first frame is at least partially located on the inner side of the first section of the sealed inner panel, and the distance between the inner side surface of the first frame and the first section of the sealed inner panel is H5, and H5 satisfies: 5mm≤H5≤20mm.

[0014] According to some embodiments of the present application, one side of the sealed outer plate is fixedly connected to the first section of the sealed inner plate, the other side of the sealed outer plate is fixedly connected to the third section of the sealed inner plate, and the sealed outer plate is spaced apart from the second section of the sealed inner plate to form the first chamber between the sealed outer plate and the sealed inner plate.

[0015] According to some embodiments of the present application, the side outer panel assembly further includes a side outer panel, the sealing outer panel is located between the sealing inner panel and the side outer panel, and the sealing outer panel is fixedly connected to the side outer panel.

[0016] According to some embodiments of the present application, a second chamber is formed between the sealing outer panel and the side outer panel.

[0017] According to some embodiments of the present application, at least one third hole is provided on the first frame, and the first frame and the side panel sealing portion are fixedly connected by a third fastener installed at the third hole. In the front-to-rear direction of the vehicle, the minimum distance between the center of the third hole at the front end or the rear end and the edge of the first frame in the front-to-rear direction of the vehicle is H3, and H3 satisfies: 20mm≤H3≤80mm.

[0018] According to some embodiments of the present application, the battery pack frame further includes a buffer portion, which is arranged on the inner side of the first frame in the left-right direction of the vehicle, the buffer portion is connected to the first frame, and the side of the buffer portion facing away from the first frame forms a battery cell installation area for installing battery cells.

[0019] According to some embodiments of the present application, a dimension of the buffer portion in the left-right direction of the vehicle is 50 mm to 200 mm.

[0020] According to some embodiments of the present application, the first frame has at least one first cavity, and the at least one first cavity is used for a pipeline to pass through.

[0021] According to some embodiments of the present application, there are multiple first cavities, and the multiple first cavities are at least partially arranged in the left-right direction of the vehicle to form a multi-layer cavity structure.

[0022] According to some embodiments of the present application, the battery pack frame also includes a second frame and a third frame, the second frame extends along the left-right direction of the vehicle, the end of the first frame facing the front of the vehicle is connected to the second frame, the third frame is spaced apart from the second frame, the third frame extends along the left-right direction of the vehicle, and the end of the first frame facing the rear of the vehicle is connected to the third frame.

[0023] According to some embodiments of the present application, the second frame is perpendicular to the first frame; and / or the third frame is perpendicular to the first frame.

[0024] According to some embodiments of the present application, the vehicle body frame includes a lower cross beam assembly, which extends in the left-right direction of the vehicle, and the second frame is fixedly mounted on the lower cross beam assembly.

[0025] According to some embodiments of the present application, the vehicle body frame further includes a front longitudinal beam assembly, wherein the front longitudinal beam assembly at least partially extends along the front-rear direction of the vehicle, and the lower cross beam assembly is connected to the front longitudinal beam assembly.

[0026] According to some embodiments of the present application, the vehicle body frame further includes a front longitudinal beam assembly and an A-pillar, the front longitudinal beam assembly at least partially extending along the front-to-rear direction of the vehicle, the A-pillar extending at least partially along the up-down direction of the vehicle, the front longitudinal beam assembly being fixedly connected to the A-pillar, the front longitudinal beam assembly being fixedly connected to the side panel sealing portion, and the A-pillar being fixedly connected to the side panel outer panel.

[0027] According to some embodiments of the present application, the front longitudinal beam assembly is fixedly connected to the sealed inner panel.

[0028] According to some embodiments of the present application, the front longitudinal beam assembly includes a front longitudinal beam body, a first section of the front longitudinal beam and a second section of the front longitudinal beam, one end of the front longitudinal beam body is connected to the first section of the front longitudinal beam, and the one end of the front longitudinal beam body is also connected to the second section of the front longitudinal beam, the A-pillar includes an A-pillar reinforcement plate, the first section of the front longitudinal beam is fixedly connected to the A-pillar reinforcement plate, the second section of the front longitudinal beam is fixedly connected to the sealing inner panel, and the A-pillar reinforcement plate is fixedly connected to the side panel outer panel.

[0029] According to some embodiments of the present application, the battery pack frame also includes a second frame, which extends along the left-right direction of the vehicle, and the end of the first frame facing the front of the vehicle is connected to the second frame. The side panel sealing portion includes a first sealing portion and a second sealing portion. The second sealing portion extends along the front-back direction of the vehicle, and the first sealing portion is connected to the second sealing portion. The first sealing portion is bent relative to the second sealing portion and extends along the left-right direction of the vehicle. The first sealing portion is arranged on the side of the second frame facing the front of the vehicle, and the second section of the front longitudinal beam is connected to the first sealing portion, so that the second section of the front longitudinal beam transfers a portion of the collision energy to the first frame through the side panel sealing portion.

[0030] According to some embodiments of the present application, a mounting seat is provided on the lower cross beam assembly, and the mounting seat is used to install the front subframe. When the vehicle collides, the front longitudinal beam assembly can transfer part of the collision energy to the front subframe through the lower cross beam assembly, and transfer part of the collision energy to the second frame through the lower cross beam assembly.

[0031] According to some embodiments of the present application, the mounting seat has a first hole, the front subframe is mounted on the first hole by a first fastener, at least one second hole is provided on the lower cross beam assembly, and the second frame is mounted on the second hole by a second fastener. In the left and right directions of the vehicle, the distance between the second hole and the first hole is H6, and H6 satisfies: 0mm≤H6≤10mm.

[0032] According to some embodiments of the present application, the battery pack frame further includes at least one intermediate crossbeam, which is located on the rear side of the second frame and spaced apart from the second frame, and each end of the intermediate crossbeam is directly or indirectly fixed to the first frame.

[0033] According to some embodiments of the present application, at least one of the intermediate cross beams has a seat mounting structure, so that the intermediate cross beam serves as a seat cross beam.

[0034] According to some embodiments of the present application, the battery pack frame has a battery cell installation area, and the vehicle frame structure also includes a first cover plate, which is arranged above the battery cell installation area. The first cover plate is suitable for being fixedly connected to the second frame and / or the first frame, and the first cover plate is suitable for serving as a vehicle body floor.

[0035] According to some embodiments of the present application, a sealing ring is attached to the first cover plate, and the sealing ring is used to seal the gap between the first cover plate and the vehicle body frame.

[0036] According to some embodiments of the present application, the side panel outer panel assembly also includes a connecting plate, which extends at least along the front and rear directions of the vehicle, and the connecting plate includes a first connecting section and a second connecting section, and the first connecting section and the second connecting section are connected, and the first connecting section stops the sealing ring against the first cover plate, and the side panel outer panel assembly includes a side panel sealing portion, the first frame is fixedly connected to the side panel sealing portion, and the second connecting section is fixedly connected to the side panel sealing portion.

[0037] According to some embodiments of the present application, the first connecting section is spaced apart from the first cover plate, and a surface of the first connecting section facing the first cover plate is a horizontal plane.

[0038] According to some embodiments of the present application, the vehicle body frame also includes a first sealing plate and a front panel, the front panel is installed on the lower cross beam assembly, the first sealing plate extends at least along the left and right directions of the vehicle, the first sealing plate is arranged on the rear side of the lower cross beam assembly, the first sealing plate is fixedly connected to the front panel, and the first sealing plate stops the sealing ring against the first cover plate.

[0039] According to some embodiments of the present application, a lower end surface of the lower cross beam assembly in the vehicle height direction and a lower end surface of the first sealing plate in the vehicle height direction are located on the same plane.

[0040] According to some embodiments of the present application, the vehicle body frame further includes a second sealing plate and a floor center cross beam, the floor center cross beam and the lower cross beam assembly are spaced apart, the floor center cross beam and the second sealing plate extend at least along the left and right directions of the vehicle, the second sealing plate is suitable for being arranged on the floor center cross beam, and the second sealing plate stops the sealing ring against the first cover plate.

[0041] According to some embodiments of the present application, the sealing ring is in the shape of a "mouth", and there are two connecting plates, one of which is the connecting plate, the first sealing plate, and the other connecting plate and the second sealing plate are connected end to end in sequence to form a battery sealing plate structure, and the battery sealing plate structure is suitable for stopping the sealing ring against the first cover plate.

[0042] A vehicle according to another embodiment of the present application includes the above-mentioned vehicle frame structure.

[0043] According to the vehicle of another embodiment of the present application, its vehicle frame structure integrates the first frame with at least part of the side outer panel assembly to form a rocker beam structure, thereby reducing the layout of the original rocker beam structure, more reasonably planning the interior space of the vehicle body, and increasing the size of the battery pack frame in the left and right directions of the vehicle, providing more layout space for the battery pack, helping to increase the battery pack capacity, and thereby improving the endurance performance of the entire vehicle.

[0044] According to some embodiments of the present application, the vehicle further includes a front wheel, and the shortest distance between the front end of the first frame and the front wheel in the front-to-rear direction of the vehicle is H1, and H1 satisfies: 5mm≤H1≤30mm.

[0045] According to some embodiments of the present application, the vehicle further includes rear wheels, and the shortest distance between the rear end of the first frame and the rear wheels in the front-to-rear direction of the vehicle is H2, and H2 satisfies: 5mm≤H2≤30mm.

[0046] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 is a perspective schematic diagram of a vehicle frame structure according to an embodiment of the present application;

[0048] Figure 2 yes Figure 1 A cross-sectional view at AA is shown;

[0049] Figure 3 is a perspective schematic diagram of a battery pack frame and a seat assembly according to an embodiment of the present application;

[0050] Figure 4 is a top view of a vehicle frame structure according to an embodiment of the present application;

[0051] Figure 5 is a perspective schematic diagram of a battery pack frame according to an embodiment of the present application;

[0052] Figure 6 is a partial left side view of a vehicle frame structure according to an embodiment of the present application;

[0053] Figure 7 is a partial perspective schematic diagram of a vehicle frame structure according to an embodiment of the present application;

[0054] Figure 8 yes Figure 7 A cross-sectional view at BB is shown;

[0055] Figure 9 is a partial perspective schematic diagram of a vehicle frame structure from another perspective according to an embodiment of the present application;

[0056] Figure 10 is a three-dimensional schematic diagram of a first frame and part of a pipeline according to an embodiment of the present application;

[0057] Figure 11 is a three-dimensional schematic diagram of a first frame and pipeline according to an embodiment of the present application;

[0058] Figure 12 is a three-dimensional schematic diagram of a portion of a battery pack frame and piping according to an embodiment of the present application;

[0059] Figure 13 is a three-dimensional schematic diagram of a portion of a battery pack frame and piping according to an embodiment of the present application;

[0060] Figure 14 is a partial perspective schematic diagram of a vehicle frame structure from another perspective according to an embodiment of the present application;

[0061] Figure 15 is a partial perspective schematic diagram of a vehicle frame structure according to an embodiment of the present application from another perspective;

[0062] Figure 16 yes Figure 15 A partial enlarged view of point C in the middle;

[0063] Figure 17 yes Figure 16 A cross-sectional view at DD is shown;

[0064] Figure 18 is a schematic diagram of a vehicle according to an embodiment of the present application.

[0065] Reference numerals:

[0066] Vehicle 100, vehicle frame structure 10, vehicle body frame 1, front longitudinal beam assembly 111, front longitudinal beam body 112, front longitudinal beam first section 113a, front longitudinal beam second section 113b, lower cross beam assembly 114, lower cross beam upper plate 115a, lower cross beam lower plate 115b, mounting seat 116, first hole 116a, dash panel 117, side panel outer panel assembly 12, side panel outer panel 121, side panel outer panel first section 121a, side panel outer panel second section 121b, side panel outer panel third section 121c, A-pillar reinforcement plate 122, sealing outer panel 123, sealing outer panel first section 123a, sealing outer panel second section 123b, sealing outer panel third section 123c, sealing inner panel 124, sealing inner panel first section 124a, sealing inner panel second section 124b, sealing inner panel third section 124c, sealing The first part of the outer plate 125a, the first part of the inner plate 126a, the connecting plate 127, the connecting first section 127a, the connecting second section 127b, the first sealing plate 128, the second sealing plate 131, the middle cross beam 14 of the floor, the battery pack frame 2, the second frame 21, the second fastener 211, the third frame 22, the fourth fastener 221, the first frame 23, the first end 231a of the second frame, the inner side 231c, the outer side 231d, the first cavity 231e, the third fastener 232, the pipe body 233, the first joint 234, the second joint 235, the first cover plate 241, the sealing ring 242, the second cover plate 251, the middle cross beam 261, the battery cell 271, the buffer part 272, the wheel envelope 311, the seat assembly 4, the first chamber 5, and the second chamber 6. DETAILED DESCRIPTION

[0067] The following describes in detail embodiments of the present application, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0068] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0069] The following combination Figures 1-18 A vehicle frame structure 10 and a vehicle 100 having the vehicle frame structure 10 according to an embodiment of the present application will be described in detail.

[0070] It is important to understand that, see Figure 1As shown, in this application, the forward direction of the vehicle 100 is the negative direction of the x-axis, the backward direction is the positive direction of the x-axis, the left direction is the positive direction of the y-axis, the right direction is the negative direction of the y-axis, the upward direction is the positive direction of the z-axis, and the downward direction is the negative direction of the z-axis.

[0071] See Figure 2-Figure 5 、 Figure 7 As shown, the vehicle frame structure 10 according to an embodiment of the present application includes a vehicle body frame 1 and a battery pack frame 2. The vehicle body frame 1 includes a side outer panel assembly 12. The side outer panel assembly 12 is located on the left and right sides of the vehicle body frame 1. At least part of the side outer panel assembly 12 extends along the front and rear direction of the vehicle body frame 1. The battery pack frame 2 is installed on the vehicle body frame 1. The battery pack frame 2 includes at least one first frame 23. The first frame 23 extends along the front and rear direction of the vehicle 100. The first frame 23 is fixedly connected to at least part of the side outer panel assembly 12 to form a rocker beam structure.

[0072] Specifically, the first frame 23 is fixedly connected to at least a portion of the side panel assembly 12 to form a rocker beam structure, enhancing the overall rigidity and deformation resistance of the vehicle 100. In the event of a collision, the first frame 23 and the side panel assembly 12 serve as force transmission components, effectively absorbing and transmitting collision forces, minimizing body deformation and impact on the battery pack, and reducing the risk of injury to vehicle occupants. Furthermore, the integration of the first frame 23 and the side panel assembly 12 allows them to function as a rocker beam structure while retaining their original functions. This reduces the layout of the existing rocker beam structure, thereby eliminating the need for separate design and installation of related components, simplifying the body structure, and thus reducing the weight of the vehicle 100.

[0073] The first frame 23 extends to the side outer panel assembly 12 in the left-right direction of the vehicle, increasing the width of the battery pack frame 2 in the left-right direction of the vehicle, providing more space for the design and installation of the battery pack, which is beneficial to increasing the capacity of the battery pack and improving the vehicle's cruising range and overall performance.

[0074] The integrated sill beam structure allows for more rational planning of the interior space without changing the overall vehicle size, increasing the size of the battery pack frame 2 in the left and right directions of the vehicle 100 degrees, providing more space for the battery pack, and helping to increase the battery pack capacity, thereby improving the vehicle's endurance performance.

[0075] In related technologies, the size of a vehicle's battery pack directly correlates to its capacity and performance. Generally, larger battery packs can accommodate more cells, enabling higher capacity configurations, thereby increasing vehicle range. They also provide continuous and stable power during acceleration and hill climbing, enhancing overall vehicle performance. However, the limited space available for battery pack placement in the underbody of existing vehicles hinders increased capacity.

[0076] According to the vehicle frame structure 10 of the embodiment of the present application, by integrating the first frame 23 with at least a portion of the side outer panel assembly 12 to form a rocker beam structure, the layout of the original rocker beam structure is reduced, the interior space of the vehicle body is more reasonably planned, and the size of the battery pack frame 2 in the left and right directions of the vehicle 100 is increased, providing more layout space for the battery pack, helping to increase the battery pack capacity, and thereby improving the endurance performance of the entire vehicle.

[0077] In some embodiments of this application, see Figure 2-Figure 5 、 Figure 8 As shown, there are at least two first frames 23, spaced apart in the left-right direction of the vehicle 100. The first frames 23 are fixedly connected to at least a portion of the side panel assembly 12 on the corresponding side to form a rocker beam structure. Specifically, the rocker beam structure is formed by independent first frames 23 on each side and the corresponding side panel assembly 12, forming a symmetrical double rocker beam structure. This ensures consistent collision load-bearing capacity on both sides of the vehicle 100 and avoids unbalanced protection caused by structural weakness on one side.

[0078] It should be understood that the above-mentioned "the first frame 23 is fixedly connected to at least a portion of the side outer panel assembly 12 on the corresponding side to form a rocker beam structure" can be understood as that, in the left-right direction of the vehicle 100, the leftmost first frame 23 is fixedly connected to at least a portion of the side outer panel assembly 12 on the left side to form a rocker beam structure, and the rightmost first frame 23 is fixedly connected to at least a portion of the side outer panel assembly 12 on the right side to form a rocker beam structure.

[0079] Optionally, the number of the first frames 23 may be two, three, four, five, six or more. Figure 4 As shown, the number of the first frames 23 is two.

[0080] In some embodiments not shown in the figures, in the left-right direction of the vehicle 100 , only the first frame 23 on one side is fixedly connected to a portion of the side outer panel assembly 12 and reused as a rocker beam structure.

[0081] For example, in the left-right direction of the vehicle 100, the leftmost first frame 23 is fixedly connected to at least part of the left side outer panel assembly 12 and reused as a rocker beam structure, and the rightmost first frame 23 is not used as a rocker beam structure.

[0082] For another example, in the left-right direction of the vehicle 100, the first frame 23 on the far right is fixedly connected to at least a portion of the side outer panel assembly 12 on the right side and is reused as a rocker beam structure, and the first frame 23 on the far left is not used as a rocker beam structure.

[0083] In some embodiments of this application, see Figure 2 As shown, the side panel assembly 12 includes a side panel seal, and a first frame 23 is fixedly connected to the side panel seal. Specifically, the side panel seal itself has a sealing function, isolating moisture, dust, noise, etc. from the outside of the vehicle. The first frame 23 is fixedly connected to the side panel seal. At the same time, the side panel seal is fixedly connected to the first frame 23. In the event of a side collision of the vehicle 100, the impact force can be quickly transmitted to the first frame 23 through the side panel seal. The first frame 23 then disperses the impact force to the entire vehicle body frame 1, battery pack frame 2, or other parts. This reduces deformation or tearing of the side panel assembly 12 caused by localized stress concentration, thereby reducing the degree of damage to the vehicle 100.

[0084] In some embodiments of this application, see Figure 2 As shown, the first frame 23 is at least partially located below the side panel seals. Specifically, the first frame 23 is at least partially located below the side panel seals, which shifts the primary load-bearing structure of the rocker beam structure toward the underbody, avoiding occupying the lateral space near the side panel seals. This allows for more lateral space to be reserved for the battery pack underbody. When the first frame 23 is located below, the distance between the first frame 23 and the ground is more reasonable, ensuring sufficient ground clearance (preventing the first frame 23 from scraping the ground during driving) while also expanding the battery pack installation area through the lateral extension of the first frame 23, thereby increasing battery capacity.

[0085] In some embodiments of this application, see Figure 2 As shown, the side enclosure sealing portion includes a sealing inner panel 124 and a sealing outer panel 123. The first frame 23 is fixedly mounted on the sealing inner panel 124. The sealing outer panel 123 is located on the side of the sealing inner panel 124 facing away from the first frame 23. The sealing inner panel 124 and the sealing outer panel 123 are fixedly connected, and a first chamber 5 is formed between the sealing outer panel 123 and the sealing inner panel 124. Specifically, the first chamber 5 between the sealing inner panel 124 and the sealing outer panel 123 forms a cavity buffer structure. When the vehicle 100 collides, when the impact force is transmitted to the first chamber 5 through the sealing outer panel 123, the first chamber 5 will compress and deform to further dissipate energy, thereby reducing damage to the vehicle body caused by the impact force. The sealing inner panel 124 and the sealing outer panel 123 are fixedly connected to form two physical barriers. Together with the barrier effect of the first chamber 5, they can more effectively prevent impurities outside the vehicle from invading the vehicle or the battery pack.

[0086] In some embodiments of this application, see Figure 2 As shown, the sealed inner plate 124 includes a first sealed inner plate section 124a, a second sealed inner plate section 124b, and a third sealed inner plate section 124c. The first sealed inner plate section 124a is located on the side of the third sealed inner plate section 124c close to the battery pack frame 2. The second sealed inner plate section 124b connects the first sealed inner plate section 124a and the third sealed inner plate section 124c. The first sealed inner plate section 124a extends upward relative to the second sealed inner plate section 124b, and the third sealed inner plate section 124c extends downward relative to the second sealed inner plate section 124b. The first frame 23 is fixedly mounted on the second sealed inner plate section 124b, and the first frame 23 is separated from the third sealed inner plate section 124c. Specifically, the three-section sealed inner plate 124 structure forms a relatively stable frame shape. The second section 124b of the sealed inner panel serves as a portion connecting the first section 124a of the sealed inner panel and the third section 124c of the sealed inner panel, and the first frame 23 is fixedly installed here, which can effectively disperse the force of the first frame 23 to the entire sealed inner panel 124 structure, thereby enhancing the structural strength of the sealed inner panel 124, enabling the sealed inner panel 124 to better withstand different forces during the driving of the vehicle 100, reducing the risk of deformation, and improving the stability and reliability of the vehicle 100.

[0087] In some embodiments of this application, see Figure 2 As shown, the third section 124c of the sealed inner panel is located outside the first frame 23. The minimum distance between the outer side surface 231d of the first frame 23 and the third section 124c of the sealed inner panel is H4, and H4 satisfies the following conditions: 5mm≤H4≤20mm. Specifically, during the installation of the vehicle 100, the connection between the second section 124b of the sealed inner panel and the third section 124c of the sealed inner panel is chamfered, leaving a certain distance H4 between the first frame 23 and the third section 124c of the sealed inner panel. This prevents interference between the first frame 23 and the third section 124c and the second section 124b of the sealed inner panel from hindering the installation of the battery pack frame 2. This also prevents wear and deformation of components (such as the first frame 23 and the sealed inner panel 124) due to interference with the battery pack frame 2, and even structural damage, thereby ensuring the driving safety of the vehicle 100.

[0088] Optionally, the minimum distance H4 between the first frame 23 and the third section 124c of the sealing inner plate may be 5 mm, 10 mm, 15 mm, 20 mm or other values ​​satisfying 5 mm ≤ H4 ≤ 20 mm.

[0089] In some embodiments of this application, see Figure 2As shown, in the left-right direction of the vehicle 100, the first frame 23 is at least partially located on the inner side of the first section 124a of the sealed inner panel, and the distance between the inner side surface 231c of the first frame 23 and the first section 124a of the sealed inner panel is H5, and H5 satisfies: 5mm≤H5≤20mm.

[0090] Specifically, limiting the distance of H5 to 5mm to 20mm effectively prevents the distance between the inner side surface 231c of the first frame 23 and the first section 124a of the sealed inner plate from being too far, resulting in a smaller installation size of the battery pack on the battery pack frame 2, affecting the performance and endurance of the battery pack of the vehicle 100. It also prevents the distance between the inner side surface 231c of the first frame 23 and the first section 124a of the sealed inner plate from being too close, resulting in the width of the first frame 23 in the left and right directions of the vehicle 100 being too short, and the rigidity of the first frame 23 being unable to meet the installation of the battery pack, resulting in unstable installation of the battery pack on the first frame 23. When the vehicle 100 collides, the protection effect on the battery pack is insufficient, affecting the stability of the entire vehicle 100.

[0091] Optionally, the distance H5 between the inner side surface 231c of the first frame 23 and the first section 124a of the sealing inner plate may be 5 mm, 10 mm, 15 mm, 20 mm or other values ​​satisfying 5 mm ≤ H4 ≤ 20 mm.

[0092] Therefore, by limiting the value range of H4 and H5, the first frame 23 will be basically close to the width value of the vehicle 100, thereby greatly utilizing the space in the left and right directions of the vehicle 100, increasing the size of the battery pack, and increasing the endurance of the vehicle 100.

[0093] In some embodiments of this application, see Figure 2 As shown, one side of the sealed outer panel 123 is fixedly connected to the first section 124a of the sealed inner panel, and the other side of the sealed outer panel 123 is fixedly connected to the third section 124c of the sealed inner panel. The sealed outer panel 123 is spaced apart from the second section 124b of the sealed inner panel, thereby forming a first chamber 5 between the sealed outer panel 123 and the sealed inner panel 124. Specifically, the sealed outer panel 123 is fixedly connected to the first section 124a and the third section 124c of the sealed inner panel, forming the first chamber 5 on the side of the vehicle 100. This chamber 5 prevents the intrusion of external contaminants such as water and dust, thereby significantly improving the waterproof and dustproof capabilities of the vehicle 100, ensuring a clean interior environment and the safety of the vehicle components. Furthermore, in the event of a side collision of the vehicle 100, the first chamber 5 can also provide a certain cushioning effect when the impacting object strikes the first frame 23. The first chamber 5 collapses upon impact and absorbs energy, reducing damage to the vehicle 100 in a side collision and providing protection for the passenger compartment and battery pack.

[0094] In some embodiments, the sealed outer plate 123 includes a sealed outer plate first section 123a, a sealed outer plate second section 123b and a sealed outer plate third section 123c. The sealed outer plate first section 123a is located on the side of the sealed outer plate third section 123c close to the battery pack frame 2, the sealed outer plate second section 123b connects the sealed outer plate first section 123a and the sealed outer plate third section 123c, the sealed outer plate first section 123a extends upward relative to the sealed outer plate second section 123b, the sealed outer plate third section 123c extends downward relative to the sealed outer plate second section 123b, the sealed outer plate first section 123a is connected to the sealed inner plate first section 124a, the sealed outer plate third section 123c is connected to the sealed inner plate third section 124c, and the sealed outer plate second section 123b and the sealed inner plate second section 124b enclose a first chamber 5.

[0095] In some embodiments of this application, see Figure 2 As shown, the side outer panel assembly 12 also includes a side outer panel 121, and a sealing outer panel 123 is located between the sealing inner panel 124 and the side outer panel 121. The sealing outer panel 123 is fixedly connected to the side outer panel 121. Specifically, the three-layer sealing structure composed of the sealing inner panel 124, the sealing outer panel 123, and the side outer panel 121 greatly enhances the sealing of the side of the vehicle 100, blocks external pollutants such as rainwater and dust, and prevents pollutants from penetrating into the vehicle interior or the battery pack area, reducing the risk of damage to components due to moisture and corrosion, and extending the service life of the vehicle 100. At the same time, the first frame 23, the sealing inner panel 124, the sealing outer panel 123, and the side outer panel 121 form a stable overall structure. When the vehicle 100 is subjected to external forces, the various components work together to bear stress, effectively dispersing the collision energy and avoiding deformation or damage caused by localized stress concentration.

[0096] In some embodiments, the side outer panel 121 includes a first section 121a of the side outer panel, a second section 121b of the side outer panel, and a third section 121c of the side outer panel. The first section 121a of the side outer panel is located on the side of the third section 121c of the side outer panel close to the battery pack frame 2. The second section 121b of the side outer panel connects the first section 121a of the side outer panel and the third section 121c of the side outer panel. The first section 121a of the side outer panel extends upward relative to the second section 121b of the side outer panel, and the third section 121c of the side outer panel extends downward relative to the second section 121b of the side outer panel. The first section 121a of the side outer panel is connected to the first section 123a of the sealing outer panel, and the third section 121c of the side outer panel is connected to the third section 123c of the sealing outer panel.

[0097] In some embodiments of this application, see Figure 2As shown, a second chamber 6 is formed between the sealing outer panel 123 and the side outer panel 121. Specifically, the presence of the second chamber 6 provides additional sealing protection for the vehicle 100, forming an important sealing defense line. When the vehicle 100 is driving, pollutants such as rainwater, dust, and mud from the outside want to enter the vehicle. They need to pass through the gap between the side outer panel 121 and the sealing outer panel 123 first, and the second chamber 6 can effectively prevent these pollutants from further intrusion. Even if a small amount of pollutants enter the chamber, due to factors such as the air pressure inside the chamber, they can be prevented from continuing to penetrate deeper into the vehicle, thereby greatly improving the waterproof and dustproof performance of the vehicle 100 and protecting the passengers and equipment inside the vehicle from the influence of the external environment.

[0098] In some embodiments of this application, see Figure 8 As shown, at least one third hole is provided on the first frame 23, and the first frame 23 and the side panel sealing portion are fixedly connected by a third fastener 232 installed at the third hole. In the front-to-rear direction of the vehicle 100, the minimum distance between the center of the third hole at the front end or the rear end and the edge of the first frame 23 in the front-to-rear direction of the vehicle is H3, and H3 satisfies: 20mm≤H3≤80mm.

[0099] Specifically, the first frame 23 has one or more third holes distributed in the front-rear direction of the vehicle 100 , and the minimum distance between the center of the third hole closest to both ends in the front-rear direction of the first frame 23 and the corresponding end is H3.

[0100] For example, in the front-rear direction of the vehicle 100 , only the minimum distance between the center of the third hole closest to the front end of the first frame 23 and the edge of the front end of the first frame 23 satisfies 20 mm to 80 mm.

[0101] For another example, in the front-rear direction of the vehicle 100 , only the minimum distance between the center of the third hole closest to the rear end of the first frame 23 and the edge of the rear end of the first frame 23 satisfies 20 mm to 80 mm.

[0102] For example, in the front-to-rear direction of the vehicle 100, the minimum distance between the center of the third hole closest to the front end of the first frame 23 and the edge of the front end of the first frame 23 satisfies 20mm~80mm, and the minimum distance between the center of the third hole closest to the rear end of the first frame 23 and the edge of the rear end of the first frame 23 satisfies 20mm~80mm.

[0103] This prevents H3 from being too large, which could weaken the securement between the first frame 23 and the side panel seal (e.g., the inner sealing panel 124), leading to loosening and insecure installation at both ends of the first frame 23 in the fore-aft direction of the vehicle 100. It also prevents H3 from being too small, which could lead to the second fasteners 211 being too close to the fore-aft ends of the first frame 23 in the fore-aft direction of the vehicle 100, occupying excessive installation space for other components (e.g., chassis piping, electrical wiring harnesses, etc.). By limiting the range of H3, the connection requirements between the first frame 23 and the side panel seal are met while reducing space usage and facilitating the installation of other components.

[0104] Optionally, the minimum distance H3 between the center of the third hole and the front edge of the first frame 23 in the front-rear direction of the vehicle 100 can be 20mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm or other values ​​satisfying 20mm≤H3≤80mm.

[0105] In some embodiments, the lower cross beam assembly 114 includes a lower cross beam upper plate 115a and a lower cross beam lower plate 115b, the lower cross beam upper plate 115a and the lower cross beam lower plate 115b are interlocked, the lower cross beam lower plate 115b is connected to the front panel 117, the lower cross beam upper plate 115a is connected to the front panel 117, and the lower cross beam upper plate 115a and the lower cross beam lower plate 115b are connected.

[0106] In some embodiments of this application, see Figure 2 As shown, the battery pack frame 2 also includes a buffer portion 272. In the left-right direction of the vehicle, the buffer portion 272 is disposed on the inner side of the first frame 23 and is connected to the first frame 23. The side of the buffer portion 272 facing away from the first frame 23 forms a cell mounting area for mounting the battery cell 271. Specifically, the buffer portion 272 utilizes a cushioning material or a crush structure to effectively absorb collision energy transmitted to the cell mounting area when the vehicle 100 collides, reducing the risk of damage to the battery cell 271 due to deformation caused by the collision energy and improving the safety of the battery cell 271. This improves the force transmission efficiency of the battery pack frame 2 in the left-right direction of the vehicle 100, thereby reducing the intrusion volume in the side-column collision condition by approximately 60%.

[0107] Optionally, the buffer material may be a metal or alloy such as aluminum or aluminum alloy, or may be a non-metallic material with high rigidity such as high-density foam.

[0108] In some embodiments, the material of the buffer portion 272 is more energy-absorbing, stronger, and denser than the material of the first frame 23 .

[0109] In some embodiments of this application, see Figure 2As shown, the size of the buffer portion 272 in the left-right direction of the vehicle 100 is 50mm to 200mm. Specifically, if the size is too small, it will lead to insufficient collapse stroke, and the buffer portion 272 may be crushed instantly, unable to effectively absorb energy, resulting in the remaining impact force being directly transmitted to the battery cell 271, increasing the risk of deformation and damage to the battery cell 271. Although the size is too large, it can absorb more energy, but it will occupy a large amount of installation space for the battery pack, resulting in the inability to guarantee the endurance of the vehicle 100. Therefore, the size of 50mm to 200mm provides sufficient deformation space for the buffer portion 272 while ensuring the endurance of the vehicle 100.

[0110] Optionally, the size of the buffer portion 272 in the left-right direction of the vehicle 100 may be 50 mm, 100 mm, 150 mm, 200 mm, or other values ​​between 50 mm and 200 mm.

[0111] In some embodiments of this application, see Figure 2 、 Figure 11 、 Figure 12 As shown, the first frame 23 has at least one first cavity 231e, which is used for pipelines to pass through. Specifically, the first cavity 231e provides a dedicated channel for the pipeline, preventing the pipeline from being exposed on the outside of the vehicle body frame 1 or the surface of the battery pack frame 2, and reducing the spatial conflict between the pipeline and other components (such as the suspension system and steering mechanism). At the same time, the pipeline channel is integrated into the first frame 23, so that the pipeline does not need to occupy additional space separately and can be arranged along the structure of the first frame 23, making the interior space of the vehicle 100 more compact and improving space utilization.

[0112] Optionally, the pipeline may be an air conditioning coolant pipeline, a brake fluid pipeline, a cable, etc.

[0113] In some embodiments, the pipeline laid in the first cavity 231e can be an electrical pipeline, a chassis pipeline, a cooling pipeline, an electrical wiring harness, etc.

[0114] In some embodiments of this application, see Figure 2 、 Figure 11 、 Figure 12As shown, the pipeline includes a pipeline body 233, a first connector 234, and a second connector 235. The pipeline body 233 is disposed in the first cavity 231e. The end of the pipeline body 233, which is closer to the front of the vehicle, is connected to the first connector 234, and the other end of the pipeline body 233, which is closer to the rear of the vehicle, is connected to the second connector 235. The first connector 234 and the second connector 235 are located outside the first cavity 231e. One of the first connector 234 and the second connector 235 extends in the left-right direction of the vehicle 100, while the other extends in the up-down direction of the vehicle body frame 1. Specifically, the first connector 234 extends in the left-right direction of the vehicle 100, and the second connector 235 extends in the up-down direction of the vehicle body frame 1, respectively. This allows for flexible adaptation of the pipeline and optimizes the pipeline transmission path.

[0115] In some embodiments of this application, see Figure 2 、 Figure 11 、 Figure 12 As shown, there are multiple first cavities 231e, and the multiple first cavities 231e are at least partially spaced apart in the left-right direction of the vehicle 100 to form a multi-layer cavity structure. Specifically, the multiple first cavities 231e can accommodate the assembly of multiple pipelines, improving the integration of the first frame 23 and the pipelines. At the same time, the multiple first cavities 231e can also achieve a lightweight configuration of the first frame 23, saving manufacturing and maintenance costs and reducing the overall weight of the vehicle 100.

[0116] Optionally, the number of the first cavities 231e can be one, two, three, four, five, six or more, for example Figure 2 As shown, there are six first cavities 231e, spaced in two layers in the left-right direction of the vehicle 100: an inner upper cavity, an inner middle cavity, an inner lower cavity, an outer upper cavity, an outer middle cavity, and an outer lower cavity. Third fasteners 232 penetrate the outer upper, outer middle, and outer lower cavities, securing the first frame 23 to the second section 124b of the sealed inner panel. A first joint 234 is designed at the front end of the inner cavity, and a second joint 235 is designed at the rear end.

[0117] In some embodiments, the first connector 234 and the second connector 235 are used for connection to a chassis or an electrical system.

[0118] In some embodiments of the present application, reference is made to Figure 1 、 Figure 3 、 Figure 4As shown, the battery pack frame 2 also includes a second frame 21 and a third frame 22. The second frame 21 extends in the left-right direction of the vehicle 100. The front-facing end of the first frame 23 is connected to the second frame 21. The third frame 22 is spaced apart from the second frame 21 and extends in the left-right direction of the vehicle 100. The rear-facing end of the first frame 23 is connected to the third frame 22. Specifically, the second frame 21 is arranged horizontally at the front of the vehicle 100, the third frame 22 is arranged horizontally at the rear of the vehicle 100, and the first frame 23 is arranged vertically on the left and right sides of the vehicle 100. The connection between the first frame 23, the second frame 21, and the third frame 22 forms the main skeleton of the battery pack frame 2, transforming the battery pack from a dispersed, localized support structure to a rigid, integrated structure. When the battery pack is subjected to longitudinal (fore-and-aft) or lateral (left-and-right) impact, the force is quickly transmitted and dispersed through the connections between the first frame 23, the second frame 21, and the third frame 22, preventing deformation or fracture of the battery pack frame 2 caused by localized stress concentration.

[0119] In some embodiments of this application, see Figure 2-Figure 5 As shown, in the front-rear direction of the vehicle 100 , one end of the buffer portion 272 is connected to the second frame 21 , and the other end is connected to the third frame 22 .

[0120] In some embodiments of the present application, the second frame 21 is perpendicular to the first frame 23 ; and / or the third frame 22 is perpendicular to the first frame 23 .

[0121] In some embodiments not shown in the drawings, only the second frame 21 is perpendicular to the first frame 23 , and the third frame 22 is not perpendicular to the first frame 23 .

[0122] In some embodiments not shown in the drawings, the second frame 21 is not perpendicular to the first frame 23 , and only the third frame 22 is perpendicular to the first frame 23 .

[0123] In some embodiments, see Figure 3-Figure 5 As shown, the second frame 21 is perpendicular to the first frame 23 , and the third frame 22 is perpendicular to the first frame 23 .

[0124] Specifically, the vertical structure makes the force direction of the connection nodes between the frames clear (only bears shear force or axial force), while the non-vertical connection may generate additional bending moment, causing the frame connection (such as bolts or welding points) to be easily broken. The vertical design can reduce the material strength requirements of the connection parts and improve the durability of the frame connection. Through the connection of the above-mentioned various situations, a battery pack frame 2 of various shapes (such as rectangle, trapezoid, etc.) can be finally formed. The most appropriate connection method can be selected according to actual use requirements to make the battery pack frame 2 more suitable for installation on the vehicle 100, and the battery pack can be more easily installed on the battery pack frame 2.

[0125] In some embodiments of this application, see Figure 6 、 Figure 7 、 Figure 14 As shown, the vehicle body frame 1 includes a lower cross member assembly 114 that extends in the left-right direction of the vehicle 100. The second frame 21 is fixedly mounted to the lower cross member assembly 114. Specifically, the second frame 21 is fixedly mounted to the lower cross member assembly 114, providing a stable mounting platform for the battery pack frame 2, simplifying the installation process and reducing assembly difficulty.

[0126] In some embodiments of this application, see Figure 6 、 Figure 7 、 Figure 14 As shown, vehicle body frame 1 further includes a front longitudinal beam assembly 111, which extends at least partially along the front-to-rear direction of vehicle 100. A lower cross beam assembly 114 is connected to front longitudinal beam assembly 111. Specifically, front longitudinal beam assembly 111 and lower cross beam assembly 114 are interconnected to form a stable frame structure, further strengthening the overall structure, increasing the rigidity of vehicle body frame 1, reducing the risk of deformation of vehicle body frame 1 during driving, and enhancing driving safety.

[0127] In some embodiments, there are two front longitudinal beam assemblies 111 , and the two front longitudinal beam assemblies 111 are spaced apart in the left-right direction of the vehicle 100 .

[0128] In related art, the central portion of the vehicle body frame also has a central tunnel, located below the passenger compartment. In the event of a head-on collision, some of the collision energy received by the front longitudinal beam assembly is transferred to the rear of the vehicle body frame through the central tunnel, protecting the occupants. According to the vehicle frame structure 10 of the present application, in the event of a collision, some of the collision energy received by the front longitudinal beam assembly 111 is transferred to the second frame 21 via the lower cross beam assembly 114 and dispersed to the rear of the vehicle body frame 1 via the battery pack frame 2. While ensuring the transmission and dissipation of collision energy, the central tunnel is eliminated, significantly increasing the passenger compartment space and enhancing the comfort of the driver and passengers.

[0129] In some embodiments of this application, see Figure 6-Figure 8 、 Figure 14As shown, the vehicle body frame 1 also includes a front longitudinal beam assembly 111 and an A-pillar. The front longitudinal beam assembly 111 extends at least partially along the front-to-back direction of the vehicle 100, and the A-pillar extends at least partially along the top-to-bottom direction of the vehicle 100. The front longitudinal beam assembly 111 is fixedly connected to the A-pillar, the front longitudinal beam assembly 111 is fixedly connected to the side panel seal, and the A-pillar is fixedly connected to the side panel outer panel 121. Specifically, when the vehicle 100 encounters a head-on collision, the front longitudinal beam assembly 111 can first absorb most of the collision energy and quickly conduct some of the collision energy along the front-to-back direction of the vehicle 100. Because the front longitudinal beam assembly 111 is fixedly connected to the A-pillar, a portion of the collision energy is transferred to the A-pillar. As one of the main supporting structures of the vehicle body frame 1, the A-pillar further disperses the energy throughout the vehicle 100 (e.g., the side panel outer panel 121, the front subframe, etc.), preventing excessive energy concentration at the collision point, effectively reducing the risk of passenger compartment deformation, and providing a reliable living space for the vehicle occupants.

[0130] In some embodiments of this application, see Figure 6-Figure 8 、 Figure 14 As shown, the front longitudinal beam assembly 111 is fixedly connected to the sealed inner panel 124. Specifically, the front longitudinal beam assembly 111 serves as an important load-bearing structure at the front of the vehicle body frame 1, extending in the front-to-back direction of the vehicle 100 and bearing the collision energy and inertial force during the driving process of the vehicle 100. The sealed inner panel 124 is a key part of the side outer panel assembly 12. After the two are fixedly connected, the force exerted on the front longitudinal beam assembly 111 can be effectively dispersed to the side outer panel assembly 12, forming a more extensive and stable force network. When the vehicle 100 encounters a head-on or side collision, it prevents excessive local stress concentration, reduces deformation of the vehicle body frame 1, greatly improves the collision resistance of the vehicle 100, and ensures the safety of people in the vehicle 100.

[0131] For example, when the vehicle 100 is subjected to a head-on collision, the front part of the vehicle body frame 1 transmits the collision energy to the front longitudinal beam assembly 111 through the front anti-collision beam, and part of the collision energy is transmitted to the A-pillar along with the front longitudinal beam assembly 111, and the collision energy is dispersed from the A-pillar to the entire vehicle frame structure 10 (such as the side outer panel 121, the upper longitudinal beam in the middle of the vehicle body frame 1, etc.), and part of the collision energy is transmitted to the sealed inner panel 124 along with the front longitudinal beam assembly 111. Since the sealed inner panel 124 is connected to the first frame 23, the collision energy can be transmitted from the sealed inner panel 124 to the first frame 23, and then dispersed from the first frame 23 to the entire battery pack frame 2.

[0132] In some embodiments of this application, see Figure 6-Figure 8 、 Figure 14As shown, the front longitudinal beam assembly 111 includes a front longitudinal beam body 112, a first front longitudinal beam section 113a and a second front longitudinal beam section 113b, one end of the front longitudinal beam body 112 is connected to the first front longitudinal beam section 113a, and one end of the front longitudinal beam body 112 is also connected to the second front longitudinal beam section 113b, the A-pillar includes an A-pillar reinforcement plate 122, the first front longitudinal beam section 113a is fixedly connected to the A-pillar reinforcement plate 122, the second front longitudinal beam section 113b is fixedly connected to the sealing inner plate 124, and the A-pillar reinforcement plate 122 is fixedly connected to the side outer plate 121.

[0133] Specifically, in a head-on collision, the front longitudinal beam body 112 bears the brunt of the impact, absorbing the majority of the collision energy. Because the front longitudinal beam body 112 is connected to the first and second longitudinal beam sections 113a, 113b, the collision energy is rapidly dispersed between the first and second longitudinal beam sections 113a, 113b. The first longitudinal beam section 113a is secured to the A-pillar reinforcement plate 122, allowing some of the energy to be transferred to the A-pillar. Leveraging the A-pillar's high strength, this energy is dispersed throughout the vehicle frame structure 10, effectively reducing the risk of passenger compartment deformation. The second longitudinal beam section 113b transfers some of the energy to the sealed inner panel 124, which then disperses it to the side panel assembly 12 and the first frame 23. The collision energy is then transferred along the first frame 23 to the rear structure of the vehicle body frame 1, further mitigating the impact of the collision on the passenger compartment and significantly ensuring the safety of the vehicle occupants.

[0134] In some embodiments, see Figure 7 、 Figure 14 As shown, the front longitudinal beam body 112 extends in the front-to-rear direction of the vehicle 100 , and the front longitudinal beam first section 113 a and the front longitudinal beam second section 113 b constitute the front longitudinal beam rear section, which extends from one end of the front longitudinal beam body 112 toward the rear of the vehicle 100 .

[0135] In some embodiments of this application, see Figure 8 As shown, the battery pack frame 2 also includes a second frame 21, which extends in the left-right direction of the vehicle 100, and the end of the first frame 23 facing the front of the vehicle is connected to the second frame 21, and the side panel sealing portion includes a first sealing portion and a second sealing portion, and the second sealing portion extends in the front-rear direction of the vehicle 100, and the first sealing portion is connected to the second sealing portion. The first sealing portion is bent relative to the second sealing portion and extends in the left-right direction of the vehicle 100, and the first sealing portion is arranged on the side of the second frame 21 facing the front of the vehicle, and the second section 113b of the front longitudinal beam is connected to the first sealing portion, so that the second section 113b of the front longitudinal beam transfers part of the collision energy to the first frame 23 through the side panel sealing portion.

[0136] Specifically, when the vehicle 100 encounters a head-on collision, part of the collision energy received by the front longitudinal beam assembly 111 is transmitted to the second section 113b of the front longitudinal beam. Since the second section 113b of the front longitudinal beam is connected to the first part of the sealing part, the collision energy will be transmitted to the first part of the side panel sealing part. The first part of the sealing part is connected to the second part of the sealing part extending along the front and rear direction of the vehicle 100, which can further conduct the energy along the side panel sealing part, avoid excessive concentration of collision energy, effectively reduce the risk of deformation of the vehicle body frame 1, and provide a safe driving space for the occupants.

[0137] In some embodiments, the end of the first frame 23 facing the front of the vehicle is the second frame first end 231 a , and the second frame first end 231 a is spaced apart from at least the first portion of the sealing portion.

[0138] In some embodiments, the sealed inner panel 124 includes a sealed inner panel first part 126a and a sealed inner panel second part (not shown in the figure), the sealed inner panel second part extends along the front and rear direction of the vehicle 100, the sealed inner panel first part 126a is connected to the sealed inner panel second part, the sealed inner panel first part 126a is bent relative to the sealed inner panel second part and extends along the left and right direction of the vehicle 100, the sealed inner panel first part 126a is arranged on the side of the second frame 21 facing the front of the vehicle, and the second section 113b of the front longitudinal beam is connected to the sealed inner panel first part 126a.

[0139] In some embodiments, the sealed outer plate 123 includes a sealed outer plate first part 125a and a sealed outer plate second part (not shown in the figure), the sealed outer plate first part 125a is connected to the sealed outer plate second part, the sealed outer plate first part 125a extends relative to the sealed outer plate second part toward the battery pack frame 2, the sealed inner plate first part 126a is connected to the sealed outer plate first part 125a, and the sealed inner plate second part is connected to the sealed outer plate second part.

[0140] In some embodiments, the sealing inner plate first portion 126a and the sealing outer plate first portion 125a are formed together as a sealing portion first portion.

[0141] In some embodiments, the sealing inner panel second portion and the sealing outer panel second portion are jointly formed as the sealing portion second portion.

[0142] In related art, the vehicle body frame includes a rocker beam structure. When the front longitudinal beam assembly is subjected to collision energy, some of the collision energy is transferred to the battery pack frame through the rocker beam structure, while some of the collision energy is transferred directly to the battery pack frame. However, the vehicle frame structure 10 of the present application transmits force directly from the front longitudinal beam assembly 111 to the first frame 23 through the overlapping connection between the second section 113b of the front longitudinal beam and the sealed inner and outer panels 124 and 123. This reduces interference from the rocker beam and enhances the stability of the collision energy transfer process.

[0143] In some embodiments of this application, see Figure 15-17 As shown, a mounting base 116 is provided on the lower cross member assembly 114. The mounting base 116 is used to mount the front subframe. When the vehicle 100 collides, the front longitudinal member assembly 111 can transfer a portion of the collision energy to the front subframe through the lower cross member assembly 114, and a portion of the collision energy is transferred to the second frame 21 through the lower cross member assembly 114. Specifically, when the vehicle 100 encounters a road impact or collision, the collision energy borne by the front longitudinal member assembly 111 is transferred to the lower cross member assembly 114. A portion of the collision energy in the lower cross member assembly 114 is transferred to the front subframe through the mounting base 116, and a portion of the collision energy in the lower cross member assembly 114 is transferred to the second frame 21 through the mounting base 116. The collision energy is then transferred along the front subframe and the second frame 21 to the structure on the rear side of the vehicle body frame 1, further reducing the impact of the collision on the passenger compartment and greatly ensuring the safety of the occupants. As a result, excessive local stress concentration is avoided, the risk of deformation of the vehicle body frame 1 is significantly reduced, and the durability and safety of the vehicle 100 under impact (collision, complex road conditions, etc.) are improved.

[0144] In some embodiments, the mounting seat 116 is disposed on the lower plate 115 b of the lower beam.

[0145] In some embodiments of this application, see Figure 14-17 As shown, the mounting base 116 has a first hole 116a, and the front subframe is mounted on the first hole 116a by a first fastener. The lower cross member assembly 114 is provided with at least one second hole, and the second frame 21 is mounted on the second hole by a second fastener 211. In the left-right direction of the vehicle 100, the distance between the second hole and the first hole 116a is H6, and H6 satisfies: 0mm≤H6≤10mm.

[0146] Specifically, the spacing of 0mm-10mm allows the installation positions of the first fastener and the second fastener 211 to be close to each other in the left-right direction of the vehicle 100, and the installation points of the front subframe and the second frame 21 to be close to each other. When the vehicle 100 is subjected to impact from the road surface, inertia force during acceleration or braking during driving, the front subframe and the second frame 21 can effectively cooperate to disperse and transmit these forces, prevent local stress concentration, reduce the risk of deformation of the body frame 1, and enhance the overall stability and durability of the vehicle 100. In particular, when dealing with complex road conditions or emergencies, it can provide more reliable safety protection for the occupants of the vehicle.

[0147] Optionally, the distance H6 between the second hole and the first hole 116a may be 0 mm, 2 mm, 4 mm, 6 mm, 8 mm, 10 mm or other values ​​satisfying 0 mm ≤ H6 ≤ 10 mm.

[0148] Alternatively, the number of the second holes may be one, two, three, four, five or more.

[0149] In some embodiments, see Figure 17 As shown, the first hole 116 a is disposed at a lower end portion of the mounting seat 116 .

[0150] In some embodiments of this application, see Figure 3 As shown, the battery pack frame 2 also includes at least one intermediate crossbeam 261. The intermediate crossbeam 261 is located at the rear side of the second frame 21 and is spaced apart from the second frame 21. Each end of the intermediate crossbeam 261 is directly or indirectly fixed to the first frame 23. Specifically, the intermediate crossbeam 261 is spaced apart from the second frame 21 and both ends are directly or indirectly fixed to the first frame 23, thereby constructing a stable support structure. When the vehicle 100 is driving, facing the inertial forces generated by road bumps, acceleration and deceleration, and turning, the intermediate crossbeam 261 can effectively disperse these loads, avoid excessive local force on the battery pack frame 2, reduce the possibility of deformation of the battery pack frame 2, and greatly improve the strength and stability of the overall structure of the battery pack. At the same time, when the vehicle 100 is involved in a side collision, the intermediate crossbeam 261 can provide side (collision) protection for the entire vehicle.

[0151] In some embodiments, see Figure 3 As shown, the middle cross beam 261 is directly fixed to the first frame 23 .

[0152] In some embodiments not shown in the figures, the middle cross beam 261 is fixed to the buffer portion 272 , and the buffer portion 272 is fixedly connected to the first frame 23 .

[0153] In some embodiments of this application, see Figure 15 As shown, at least one intermediate crossbeam 261 has a seat mounting structure, allowing intermediate crossbeam 261 to function as a seat crossbeam. Specifically, intermediate crossbeam 261 typically has high strength and rigidity. Mounting seat assembly 4 on the seat mounting structure on intermediate crossbeam 261 provides more stable support for seat assembly 4, reduces the risk of seat loosening or deformation, and improves seat safety and reliability. Furthermore, by reusing intermediate crossbeam 261 as a seat crossbeam and integrating the seat mounting structure into battery pack frame 2, the need for a traditional seat crossbeam is eliminated, significantly increasing passenger compartment space and enhancing the driving experience of vehicle 100.

[0154] In some embodiments, the seat assembly 4 includes a base and a seat, and the seat can be movably mounted on the base in a sliding rail or guide rail manner.

[0155] In related art, vehicles have seat crossbars on which the seat assembly is mounted. The battery pack structure of this application, by providing an intermediate crossbar 261 and reusing it as a seat crossbar, reduces the number of components in vehicle 100, increases the space available for the battery pack structure, increases the battery pack's layout size, and improves the overall performance of vehicle 100.

[0156] In some embodiments, the vehicle 100 further has a passenger compartment, and the battery pack frame 2 is disposed below the passenger compartment, and the battery pack frame 2 is in an outward "eight" shape.

[0157] In some embodiments of this application, see Figure 2 、 Figure 15-17 As shown, the battery pack frame 2 has a cell mounting area, and the vehicle frame structure 10 also includes a first cover plate 241. The first cover plate 241 is disposed above the cell mounting area and is adapted to be fixedly connected to the second frame 21 and / or the first frame 23. The first cover plate 241 is adapted to serve as a vehicle body floor. Specifically, the first cover plate 241 is disposed above the cell mounting area and simultaneously serves as the vehicle body floor, eliminating the double thickness of the "body floor + battery pack cover" structure in traditional structures. This reduces the height of the vehicle floor, increases the vertical space within the vehicle (e.g., increases headroom), and lowers the center of gravity of the vehicle 100, improving handling stability.

[0158] In some embodiments, the first cover plate 241 is only adapted to be fixedly connected to the second frame 21 .

[0159] In some embodiments, the first cover plate 241 is only adapted to be fixedly connected to the first frame 23 .

[0160] In some embodiments, the first cover plate 241 is only adapted to be fixedly connected to the third frame 22 .

[0161] In some embodiments, the first cover plate 241 is adapted to be fixedly connected to the second frame 21 and the third frame 22 .

[0162] In some embodiments, the first cover plate 241 is adapted to be fixedly connected to the second frame 21 , the first frame 23 , and the third frame 22 .

[0163] In some embodiments of this application, see Figure 2 、 Figure 15-17As shown, a sealing ring 242 is attached to the first cover plate 241. This seal is used to seal the gap between the first cover plate 241 and the vehicle body frame 1. Specifically, the sealing ring 242 is used to seal the gap between the first cover plate 241 and the vehicle body frame 1 (e.g., the side panel assembly 12, the center floor cross member 14, the front panel 117, etc.), creating a tight protective layer that effectively prevents contaminants such as rainwater, dust, and sand from entering the battery cell installation area. Prolonged exposure of the battery cell 271 to a humid and dusty environment can easily lead to short circuits, corrosion, and other problems. This design prevents these problems, extending the service life of the battery cell 271 and reducing the cost of maintenance and replacement.

[0164] In some embodiments of this application, see Figure 2 As shown, the battery pack frame 2 further includes a second cover plate 251 , which is disposed below the battery cell installation area.

[0165] Optionally, the sealing ring 242 may be a nitrile rubber sealing ring, a fluororubber sealing ring, a silicone rubber sealing ring, a polyurethane sealing ring, or the like.

[0166] In some embodiments of this application, see Figure 2 As shown, the side panel outer panel assembly 12 also includes a connecting plate 127, which extends at least along the front and rear directions of the vehicle 100. The connecting plate 127 includes a first connecting section 127a and a second connecting section 127b. The first connecting section 127a and the second connecting section 127b are connected. The first connecting section 127a stops the sealing ring 242 against the first cover plate 241. The side panel outer panel assembly 12 includes a side panel sealing portion. The first frame 23 is fixedly connected to the side panel sealing portion. The second connecting section 127b is fixedly connected to the side panel sealing portion.

[0167] Specifically, the first connecting section 127a firmly presses the sealing ring 242 against the first cover plate 241, effectively sealing the gap between the first cover plate 241 and the side panel seal, preventing rain, dust, and external contaminants from entering the battery pack. Simultaneously, the second connecting section 127b is fixedly connected to the side panel seal, which itself has a certain sealing function. The combination of the two forms a dual sealing structure, greatly enhancing the overall sealing performance of the battery pack and comprehensively protecting the battery pack from external environmental influences.

[0168] In some embodiments, the connecting plate 127 is "L"-shaped, corner-connecting the sealed inner wall and the first cover plate 241, and does not occupy the passenger compartment space.

[0169] In some embodiments, see Figure 2 As shown, the second connecting section 127b is fixedly connected to the sealing inner plate first section 124a.

[0170] In the related art, the side panel sealing structure is installed at the top of the rocker beam of the vehicle body frame. The rocker beam is composed of two interlocking "C"-shaped panels (e.g., inner and outer rocker panels). The inner rocker panel, due to the need for side protection, is typically designed as a "C" shape with a y-direction cavity. However, the vehicle frame structure 10 of the present application significantly increases the passenger compartment space inside the first section 124a of the sealed inner wall by designing it as a vertical structure (specifically, vertical in the height direction of the vehicle 100). The first frame 23 is provided on both sides of the vehicle 100, thereby increasing the passenger compartment space by 80mm-120mm in the left-right direction. Specifically, the total amount of space on both sides that can increase the passenger compartment space in the left-right direction can be 80mm, 90mm, 100mm, 110mm, 120mm, or other values ​​between 80mm and 120mm.

[0171] In some embodiments of this application, see Figure 2 As shown, the first connecting section 127a is spaced apart from the first cover plate 241, and the surface of the connecting section 127a facing the first cover plate 241 is a horizontal surface. Specifically, the surface of the connecting section 127a facing the first cover plate 241 is a horizontal surface, which, compared to a curved surface, can better contact the sealing ring 242, thereby improving the sealing effect between the connecting section 127a and the first cover plate 241.

[0172] In some embodiments of this application, see Figure 17 As shown, the vehicle body frame 1 further includes a first sealing plate 128 and a dash panel 117. The dash panel 117 is mounted on the lower cross member assembly 114. The first sealing plate 128 extends at least in the left-right direction of the vehicle 100. The first sealing plate 128 is disposed on the rear side of the lower cross member assembly 114. The first sealing plate 128 is fixedly connected to the dash panel 117 and abuts the sealing ring 242 against the first cover plate 241. Specifically, the first sealing plate 128 tightly abuts the sealing ring 242 against the first cover plate 241, ensuring that the gap between the first cover plate 241 and the dash panel 117 is effectively sealed, preventing external contaminants such as rainwater, dust, and sand from entering the battery pack area.

[0173] In some embodiments of this application, see Figure 17 As shown, the lower end surface of the lower cross beam assembly 114 in the height direction of the vehicle 100 and the lower end surface of the first sealing plate 128 in the height direction of the vehicle 100 are in the same plane. Specifically, the lower end surface of the lower cross beam assembly 114 in the height direction of the vehicle 100 and the lower end surface of the first sealing plate 128 in the height direction of the vehicle 100 are both Figure 17The pure flat plane in the z direction ensures that the battery pack frame 2 can maintain balance during assembly from bottom to top, enabling the battery pack frame 2 to be fitted in the height direction of the vehicle 100.

[0174] In some embodiments of the present application, referring to Figure 15 As shown, the vehicle body frame 1 further includes a second sealing plate 131 and a floor middle cross member 14. The floor middle cross member 14 and the lower cross member assembly 114 are spaced apart. The floor middle cross member 14 and the second sealing plate 131 at least extend along the left - right direction of the vehicle 100. The second sealing plate 131 is adapted to be disposed on the floor middle cross member 14, and the second sealing plate 131 abuts the sealing ring 242 against the first cover plate 241. Specifically, the second sealing plate 131 tightly abuts the sealing ring 242 against the first cover plate 241, ensuring that the gap between the first cover plate 241 and the floor middle cross member 14 is effectively sealed, preventing external pollutants such as rainwater, dust, and sediment from entering the battery pack area.

[0175] In some embodiments, the vehicle body frame 1 further includes a floor middle cross member 14, and the third frame 22 is fixedly installed on the floor middle cross member 14. Optionally, the installation method of the third frame 22 and the floor middle cross member 14 can be bolt connection, welding, snap connection, etc. For example Figure 13 As shown, the third frame 22 is installed on the floor middle cross member 14 through the fourth fastener 221.

[0176] In some embodiments of the present application, referring to Figure 15 、<00,00448>As shown, the sealing ring 242 is in a "mouth" shape, and there are two connecting plates 127. One connecting plate 127, the first sealing plate 128, the other connecting plate 127 and the second sealing plate 131 are sequentially connected end - to - end to form a battery sealing plate structure. The battery sealing plate structure is adapted to abut the sealing ring 242 against the first cover plate 241. Specifically, the "mouth" - shaped structure can form a closed sealing line along the outer periphery of the battery pack frame 2, completely surrounding the gap between the top of the battery pack and the first cover plate 241. Compared with local sealing rings (such as strip - shaped, U - shaped), it can block water vapor, dust, and liquid (such as rainwater, car wash water) from entering the battery pack from all around, achieving "dead - angle - free" sealing.

[0177] In some embodiments, referring to Figure 15 As shown, one end of the connecting plate 127 is connected to the first sealing plate 128, and the other end is connected to the second sealing plate 131. Specifically, both the first sealing plate 128 and the second sealing plate 131 are in a "C" shape, the connecting plate 127 is in an "L" shape, the sealing ring 242 is in a "mouth" shape. The first sealing plate 128, the second sealing plate 131 and the two connecting plates 127 enclose a "mouth" - shaped area the same as the sealing ring 242, and make the sealing ring 242 completely abut on the first cover plate 241, improving the sealing effect.

[0178] See Figure 18 As shown, a vehicle 100 according to another embodiment of the present application includes the above-mentioned vehicle frame structure 10 .

[0179] According to another embodiment of the present application, the vehicle 100 has a vehicle frame structure 10 that integrates the first frame 23 with at least a portion of the side outer panel assembly 12 to form a rocker beam structure, thereby reducing the layout of the original rocker beam structure, more reasonably planning the interior space of the vehicle body, and increasing the size of the battery pack frame 2 in the left and right directions of the vehicle 100, providing more layout space for the battery pack, helping to increase the battery pack capacity, and thereby improving the endurance performance of the entire vehicle.

[0180] In some embodiments of the present application, reference is made to Figure 1 、 Figure 3 、 Figure 4 As shown, vehicle 100 also includes front wheels. The shortest distance between the front end of the first frame 23 and the front wheels in the fore-aft direction of vehicle 100 is H1, where H1 satisfies the following: 5mm≤H1≤30mm. Specifically, the shortest distance between the front end of the first frame 23 and the front wheels in the fore-aft direction of vehicle 100 facilitates the rational layout of the battery pack frame 2 within the limited space of vehicle 100. On the one hand, this avoids wasting too much battery pack installation space due to excessive distance, which could result in the battery pack being too small to meet the performance requirements of vehicle 100. On the other hand, this avoids restricting the installation and movement of components (such as the second frame 21 and dash 117, wheels, and lower cross member assembly 114) due to excessive distance. This improves the space utilization of vehicle 100, providing more space for battery pack design and installation, as well as for the passenger compartment. This helps increase battery pack capacity, improves the vehicle's range and overall performance, and enhances driver and passenger comfort.

[0181] Optionally, the shortest distance H1 between the front end of the first frame 23 and the front wheel in the front-rear direction of the vehicle 100 may be 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm or other values ​​satisfying 5 mm ≤ H1 ≤ 30 mm.

[0182] In some embodiments of the present application, reference is made to Figure 1 、 Figure 3 、 Figure 4As shown, vehicle 100 also includes rear wheels. The shortest distance H2 between the rear end of the first frame 23 and the rear wheels in the fore-aft direction of vehicle 100 satisfies the following conditions: 5mm≤H2≤30mm. Specifically, the shortest distance H2 between the rear end of the first frame 23 and the rear wheels in the fore-aft direction of vehicle 100 facilitates the rational layout of the battery pack frame 2 within the limited space of vehicle 100. This avoids wasting too much battery pack installation space due to excessive distance, which could result in a battery pack that is too small and unable to meet vehicle 100 performance requirements, such as significantly reduced range or insufficient power output. Furthermore, this distance does not restrict the installation and movement of components (e.g., third frame 22, floor cross member 14, and rear wheels) due to excessive distance. When the rear wheels change position due to suspension movement or steering on bumpy roads, they do not interfere with the third frame 22.

[0183] In some embodiments, the second frame 21 is perpendicular to the first frame 23 , and thus H1 is also the shortest distance between the front end of the second frame 21 and the front wheels in the front-to-rear direction of the vehicle 100 .

[0184] In some embodiments, the third frame 22 is perpendicular to the first frame 23 , and thus H2 is also the shortest distance between the rear end of the third frame 22 and the rear wheels in the front-rear direction of the vehicle 100 .

[0185] The concept of envelope is introduced below to further explain H1 and H2. The wheel envelope is a conceptual term commonly used in this field. It is a three-dimensional spatial range that includes all possible positions of the wheel during the driving process of the vehicle 100 due to factors such as the movement of the suspension system, steering operation, and uneven road surface.

[0186] In some embodiments, reference Figure 1 、 Figure 3 、 Figure 4 As shown, the shortest distance between the front end of the first frame 23 and the envelope of the front wheel in the front-rear direction of the vehicle 100 is H1, and H1 satisfies: 5mm≤H1≤30mm.

[0187] Specifically, the shortest distance between the first frame 23 and the envelope of the front wheels in the front-to-rear direction of the vehicle 100 is the distance between the point of the envelope 311 of the front wheels closest to the rear of the vehicle and the front end of the first frame 23 in the front-to-rear direction of the vehicle 100.

[0188] In some embodiments, see Figure 1 、 Figure 3 、 Figure 4 As shown, the shortest distance between the rear end of the first frame 23 and the envelope of the rear wheel in the front-rear direction of the vehicle 100 is H2, and H2 satisfies: 5mm≤H2≤30mm.

[0189] Specifically, the shortest distance between the first frame 23 and the envelope of the rear wheels in the front-to-rear direction of the vehicle 100 is the distance between the point of the envelope 311 of the rear wheels closest to the front of the vehicle and the rear end of the first frame 23 in the front-to-rear direction of the vehicle 100.

[0190] In some embodiments, the shortest distance between the second frame 21 and the front wheel in the front-rear direction of the vehicle 100 is H1, and H1 satisfies: 5mm≤H1≤30mm.

[0191] In some embodiments, the shortest distance between the third frame 22 and the rear wheels in the front-rear direction of the vehicle 100 is H2, and H2 satisfies: 5mm≤H2≤30mm.

[0192] In some embodiments, when the vehicle 100 is subjected to a side collision, the first frame 23 will directly contact and bear the impact object. The front end of the first frame 23 is at an envelope distance of H1 from the front wheel, and the rear end is at an envelope distance of H2 from the rear wheel. The first frame 23 is arranged between the envelope 311 of the front wheel and the envelope 311 of the rear wheel, and covers the side of the entire battery pack frame 2, thereby forming a protective effect for the entire battery pack and the middle part of the vehicle body frame 1 (such as the passenger compartment).

[0193] In related technologies, the size of a vehicle's battery pack directly correlates to its capacity and performance. Generally, larger battery packs can accommodate more cells, enabling higher capacity configurations, thereby increasing vehicle range. They also provide continuous and stable power during acceleration and hill climbing, enhancing overall vehicle performance. However, the limited space available for battery pack placement in the underbody of existing vehicles hinders increased capacity.

[0194] According to the vehicle frame structure 10 of the embodiment of the present application, by limiting the range of the shortest distance H1 between the envelope of the second frame 21 and the front wheel in the front-to-rear direction of the vehicle 100, the installation space of the battery pack will not be wasted due to the excessive distance between the second frame 21 and the envelope of the front wheel, nor will the installation and movement of the vehicle 100 components be restricted due to the distance between the second frame 21 and the envelope of the front wheel being too small. This provides a larger space for the design and installation of the battery pack, is beneficial to increasing the capacity of the battery pack, and is beneficial to improving the cruising range and overall performance of the vehicle 100.

[0195] It should be understood that the connection between the two components described in this application can be welding, bolt connection, snap connection, etc. This connection method is a conventional means in the field and will not be repeated here.

[0196] In the description of this application, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0197] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0198] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0199] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A vehicle frame structure (10), characterized in that: include: A vehicle body frame (1), the vehicle body frame (1) comprising side panel assemblies (12), the side panel assemblies (12) being located on the left and right sides of the vehicle body frame (1), and at least a portion of the side panel assemblies (12) extending in a front-to-rear direction of the vehicle body frame (1); A battery pack frame (2) is mounted on the vehicle body frame (1), the battery pack frame (2) comprising at least one first frame (23), the first frame (23) extending in a front-rear direction of the vehicle (100), the first frame (23) being fixedly connected to at least a portion of the side panel assembly (12) to form a sill beam structure.

2. The vehicle frame structure (10) according to claim 1, characterized in that There are at least two first frames (23), and at least two first frames (23) are spaced apart in the left-right direction of the vehicle (100). The first frames (23) are fixedly connected to at least part of the side panel assembly (12) on the corresponding side to form a sill beam structure.

3. The vehicle frame structure (10) according to claim 2, characterized in that The side panel outer panel assembly (12) includes a side panel sealing portion, and the first frame (23) is fixedly connected to the side panel sealing portion.

4. The vehicle frame structure (10) according to claim 3, characterized in that The first frame (23) is at least partially located below the side panel seal.

5. The vehicle frame structure (10) according to claim 3, characterized in that The side sealing portion includes a sealing inner plate (124) and a sealing outer plate (123); the first frame (23) is fixedly mounted on the sealing inner plate (124); the sealing outer plate (123) is located on a side of the sealing inner plate (124) facing away from the first frame (23); the sealing inner plate (124) is fixedly connected to the sealing outer plate (123); and a first chamber (5) is formed between the sealing outer plate (123) and the sealing inner plate (124).

6. The vehicle frame structure (10) according to claim 5, characterized in that The sealed inner plate (124) includes a sealed inner plate first section (124a), a sealed inner plate second section (124b) and a sealed inner plate third section (124c), wherein the sealed inner plate first section (124a) is located on a side of the sealed inner plate third section (124c) close to the battery pack frame (2), and the sealed inner plate second section (124b) connects the sealed inner plate first section (124a) and the sealed inner plate third section (124c), the sealed inner plate first section (124a) extends upward relative to the sealed inner plate second section (124b), and the sealed inner plate third section (124c) extends downward relative to the sealed inner plate second section (124b), and the first frame (23) is fixedly mounted on the sealed inner plate second section (124b), and the first frame (23) is separated from the sealed inner plate third section (124c).

7. The vehicle frame structure (10) according to claim 6, characterized in that The third section (124c) of the sealed inner plate is located outside the first frame (23), and the minimum distance between the outer side surface (231d) of the first frame (23) and the third section (124c) of the sealed inner plate is H4, and H4 satisfies: 5mm≤H4≤20mm.

8. The vehicle frame structure (10) according to claim 7, characterized in that In the left-right direction of the vehicle (100), the first frame (23) is at least partially located on the inner side of the first section (124a) of the sealed inner panel, and the distance between the inner side surface (231c) of the first frame (23) and the first section (124a) of the sealed inner panel is H5, and H5 satisfies: 5mm≤H5≤20mm.

9. The vehicle frame structure (10) according to claim 7, characterized in that One side of the sealing outer plate (123) is fixedly connected to the first section (124a) of the sealing inner plate, and the other side of the sealing outer plate (123) is fixedly connected to the third section (124c) of the sealing inner plate. The sealing outer plate (123) is spaced apart from the second section (124b) of the sealing inner plate to form the first chamber (5) between the sealing outer plate (123) and the sealing inner plate (124).

10. The vehicle frame structure (10) according to claim 5, characterized in that The side outer panel assembly (12) further includes a side outer panel (121), the sealing outer panel (123) is located between the sealing inner panel (124) and the side outer panel (121), and the sealing outer panel (123) is fixedly connected to the side outer panel (121).

11. The vehicle frame structure (10) according to claim 10, characterized in that A second chamber (6) is formed between the sealing outer plate (123) and the side outer plate (121).

12. The vehicle frame structure (10) according to any one of claims 3 to 11, characterized in that: At least one third hole is provided on the first frame (23), and the first frame (23) and the side sealing portion are fixedly connected by a third fastener (232) installed at the third hole. In the front-to-rear direction of the vehicle (100), the minimum distance between the center of the third hole at the front end or the rear end and the edge of the first frame (23) in the front-to-rear direction of the vehicle (100) is H3, and H3 satisfies: 20mm≤H3≤80mm.

13. The vehicle frame structure (10) according to claim 1, characterized in that The battery pack frame (2) further includes a buffer portion (272). In the left-right direction of the vehicle (100), the buffer portion (272) is arranged on the inner side of the first frame (23). The buffer portion (272) is connected to the first frame (23). The side of the buffer portion (272) facing away from the first frame (23) forms a cell installation area for installing a cell (271).

14. The vehicle frame structure (10) according to claim 13, characterized in that The buffer portion (272) has a dimension of 50 mm to 200 mm in the left-right direction of the vehicle (100).

15. The vehicle frame structure (10) according to claim 1, characterized in that The first frame (23) has at least one first cavity (231e), and the at least one first cavity (231e) is used for allowing a pipeline to pass through.

16. The vehicle frame structure (10) according to claim 15, characterized in that There are a plurality of the first cavities (231e), and the plurality of the first cavities (231e) are at least partially arranged in a left-right direction of the vehicle (100) at intervals to form a multi-layer cavity structure.

17. The vehicle frame structure (10) according to claim 1, characterized in that The battery pack frame (2) further comprises: a second frame (21), the second frame (21) extending in the left-right direction of the vehicle (100), and the first frame (23) having an end facing the front of the vehicle connected to the second frame (21); A third frame (22) is arranged at a distance from the second frame (21), the third frame (22) extends in the left-right direction of the vehicle (100), and the end of the first frame (23) facing the rear of the vehicle is connected to the third frame (22).

18. The vehicle frame structure (10) according to claim 17, characterized in that The second frame (21) is perpendicular to the first frame (23); and / or the third frame (22) is perpendicular to the first frame (23).

19. The vehicle frame structure (10) according to claim 17, characterized in that The vehicle body frame (1) includes a lower cross beam assembly (114), the lower cross beam assembly (114) extending in the left-right direction of the vehicle (100), and the second frame (21) is fixedly mounted on the lower cross beam assembly (114).

20. The vehicle frame structure (10) according to claim 19, characterized in that The vehicle body frame (1) further includes a front longitudinal beam assembly (111), wherein the front longitudinal beam assembly (111) at least partially extends along the front-rear direction of the vehicle (100), and the lower cross beam assembly (114) is connected to the front longitudinal beam assembly (111).

21. The vehicle frame structure (10) according to claim 10, characterized in that The vehicle body frame (1) further includes a front longitudinal beam assembly (111) and an A-pillar, wherein the front longitudinal beam assembly (111) at least partially extends along the front-rear direction of the vehicle (100), and the A-pillar at least partially extends along the up-down direction of the vehicle (100), the front longitudinal beam assembly (111) is fixedly connected to the A-pillar, the front longitudinal beam assembly (111) is fixedly connected to the side panel sealing portion, and the A-pillar is fixedly connected to the side panel outer panel (121).

22. The vehicle frame structure (10) according to claim 21, characterized in that The front longitudinal beam assembly (111) is fixedly connected to the sealing inner plate (124).

23. The vehicle frame structure (10) according to claim 21 or 22, characterized in that The front longitudinal beam assembly (111) includes a front longitudinal beam body (112), a first front longitudinal beam section (113a) and a second front longitudinal beam section (113b), one end of the front longitudinal beam body (112) is connected to the first front longitudinal beam section (113a), and the one end of the front longitudinal beam body (112) is also connected to the second front longitudinal beam section (113b), the A-pillar includes an A-pillar reinforcement plate (122), the first front longitudinal beam section (113a) is fixedly connected to the A-pillar reinforcement plate (122), the second front longitudinal beam section (113b) is fixedly connected to the sealing inner plate (124), and the A-pillar reinforcement plate (122) is fixedly connected to the side outer plate (121).

24. The vehicle frame structure (10) according to claim 23, characterized in that The battery pack frame (2) further includes a second frame (21), the second frame (21) extending in the left-right direction of the vehicle (100), and an end of the first frame (23) facing the front of the vehicle being connected to the second frame (21); The side enclosure sealing portion includes a first sealing portion and a second sealing portion, the second sealing portion extending in the front-rear direction of the vehicle (100), the first sealing portion being connected to the second sealing portion, the first sealing portion being bent relative to the second sealing portion and extending in the left-right direction of the vehicle (100), the first sealing portion being arranged on a side of the second frame (21) facing the front of the vehicle, the second section (113b) of the front longitudinal beam being connected to the first sealing portion, so that the second section (113b) of the front longitudinal beam transmits a portion of the collision energy to the first frame (23) through the side enclosure sealing portion.

25. The vehicle frame structure (10) according to claim 20, characterized in that The lower cross beam assembly (114) is provided with a mounting seat (116), and the mounting seat (116) is used to mount a front subframe. When the vehicle (100) collides, the front longitudinal beam assembly (111) can transfer a portion of the collision energy to the front subframe through the lower cross beam assembly (114), and transfer a portion of the collision energy to the second frame (21) through the lower cross beam assembly (114).

26. The vehicle frame structure (10) according to claim 25, characterized in that The mounting seat (116) has a first hole (116a), the front subframe is mounted on the first hole (116a) via a first fastener, the lower crossbeam assembly (114) is provided with at least one second hole, the second frame (21) is mounted on the second hole via a second fastener (211), and in the left-right direction of the vehicle (100), the distance between the second hole and the first hole (116a) is H6, and H6 satisfies: 0mm≤H6≤10mm.

27. The vehicle frame structure (10) according to claim 17, characterized in that The battery pack frame (2) further includes at least one intermediate crossbeam (261), the intermediate crossbeam (261) being located at the rear side of the second frame (21) and spaced apart from the second frame (21), and each end of the intermediate crossbeam (261) being directly or indirectly fixed to the first frame (23).

28. The vehicle frame structure (10) according to claim 27, characterized in that At least one of the intermediate cross beams (261) is provided with a seat mounting structure, so that the intermediate cross beam (261) serves as a seat cross beam.

29. The vehicle frame structure (10) according to any one of claims 19-20, 25-26, characterized in that: The battery pack frame (2) has a battery cell installation area, and the vehicle frame structure (10) further includes a first cover plate (241), the first cover plate (241) is arranged above the battery cell installation area, the first cover plate (241) is suitable for being fixedly connected to the second frame (21) and / or the first frame (23), and the first cover plate (241) is suitable for serving as a vehicle body floor.

30. The vehicle frame structure (10) according to claim 29, characterized in that A sealing ring (242) is attached to the first cover plate (241), and the sealing ring (242) is used to seal the gap between the first cover plate (241) and the vehicle body frame (1).

31. The vehicle frame structure (10) according to claim 30, characterized in that The side panel outer panel assembly (12) further includes a connecting plate (127), the connecting plate (127) extending at least along the front-rear direction of the vehicle (100), the connecting plate (127) including a first connecting section (127a) and a second connecting section (127b), the first connecting section (127a) and the second connecting section (127b) being connected to each other, the first connecting section (127a) stopping the sealing ring (242) against the first cover plate (241), the side panel outer panel assembly (12) including a side panel sealing portion, the first frame (23) being fixedly connected to the side panel sealing portion, and the second connecting section (127b) being fixedly connected to the side panel sealing portion.

32. The vehicle frame structure (10) according to claim 31, characterized in that The first connecting section (127a) is spaced apart from the first cover plate (241), and the surface of the first connecting section (127a) facing the first cover plate (241) is a horizontal surface.

33. The vehicle frame structure (10) according to claim 31, characterized in that The vehicle body frame (1) further includes a first sealing plate (128) and a front panel (117). The front panel (117) is mounted on the lower cross beam assembly (114). The first sealing plate (128) extends at least along the left and right directions of the vehicle (100). The first sealing plate (128) is arranged on the rear side of the lower cross beam assembly (114). The first sealing plate (128) is fixedly connected to the front panel (117), and the first sealing plate (128) stops the sealing ring (242) from contacting the first cover plate (241).

34. The vehicle frame structure (10) according to claim 33, characterized in that The lower end surface of the lower cross beam assembly (114) in the height direction of the vehicle (100) and the lower end surface of the first sealing plate (128) in the height direction of the vehicle (100) are located on the same plane.

35. The vehicle frame structure (10) according to claim 33, characterized in that The vehicle body frame (1) further includes a second sealing plate (131) and a floor mid-crossbeam (14); the floor mid-crossbeam (14) and the lower crossbeam assembly (114) are spaced apart; the floor mid-crossbeam (14) and the second sealing plate (131) extend at least in the left-right direction of the vehicle (100); the second sealing plate (131) is adapted to be disposed on the floor mid-crossbeam (14); and the second sealing plate (131) stops the sealing ring (242) from contacting the first cover plate (241).

36. The vehicle frame structure (10) according to claim 35, characterized in that The sealing ring (242) is in the shape of a "mouth", and there are two connecting plates (127), wherein one connecting plate (127), the first sealing plate (128), the other connecting plate (127) and the second sealing plate (131) are sequentially connected end to end to form a battery sealing plate structure, and the battery sealing plate structure is suitable for stopping the sealing ring (242) against the first cover plate (241).

37. A vehicle (100), characterized in that include: The vehicle frame structure (10) according to any one of claims 1 to 36.

38. The vehicle (100) according to claim 37, characterized in that The vehicle (100) further includes a front wheel, and the shortest distance between the front end of the first frame (23) and the front wheel in the front-rear direction of the vehicle (100) is H1, and H1 satisfies: 5mm≤H1≤30mm.

39. The vehicle (100) according to claim 37, characterized in that The vehicle (100) further includes rear wheels, and the shortest distance between the rear end of the first frame (23) and the rear wheels in the front-rear direction of the vehicle (100) is H2, and H2 satisfies: 5mm≤H2≤30mm.

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