Vehicle

Abstract

The vehicle includes a front longitudinal beam, a subframe, and a front subframe attachment point. The front subframe attachment point is connected to the front longitudinal beam and is disposed outside the front longitudinal beam in the vehicle width direction. The subframe is connected to the front longitudinal beam by the front subframe attachment point.

Description

Technical Field

[0001] Cross - reference to related applications This disclosure claims the priority of Chinese Patent Application No. 202210908506.7, entitled "Vehicle", filed on July 29, 2022. The entire content of the above application is incorporated herein by reference.

[0002] Technical Field This disclosure relates to the field of vehicle manufacturing technology, and more specifically, to vehicles.

Background Art

[0003] During the development of new energy, the collision safety of vehicles becomes particularly important. The small - overlap frontal collision is one of the important evaluation criteria for the rationality of the vehicle compartment structure.

[0004] In related technologies, in the event of a collision, a vehicle absorbs energy through the deformation of the front longitudinal beam, reduces the impact force transmitted to the passenger compartment, and reduces the intrusion of the front compartment into the passenger compartment as a result of structural deformation. However, in the small - overlap frontal collision of a vehicle, due to the small overlapping area between the vehicle and the barrier, the passenger compartment still has to bear a relatively large impact force.

Summary of the Invention

Means for Solving the Problems

[0005] This disclosure is intended to solve at least one of the technical problems existing in the prior art. This disclosure provides a vehicle. The vehicle can better protect the passenger compartment in a small - overlap frontal collision.

[0006] A vehicle according to an embodiment of the present disclosure includes a front longitudinal beam, a subframe, and a front subframe attachment point. The front subframe attachment point is connected to the front longitudinal beam. In the vehicle width direction, the front subframe attachment point is provided outside the front longitudinal beam. The subframe is connected to the front longitudinal beam via the front subframe attachment point.

[0007] According to the vehicle in the embodiment of the present disclosure, since the front subframe attachment point is provided outside the front longitudinal beam in the vehicle width direction, the subframe can receive the force of a frontal collision or an overlap frontal collision, the load-bearing area in the vehicle width direction is enlarged, whereby the overlapping area between the vehicle and the barrier is increased, and as a result, the force can be transmitted more effectively.

[0008] In some embodiments, the vehicle further includes a front compartment side beam. In the vehicle width direction, the front compartment side beam is connected to the outer surface of the front longitudinal beam. A front subframe attachment point is provided at a first end of the front compartment side beam.

[0009] In some embodiments, the vertical height of the front subframe attachment point is located below the joint between the front compartment side beam and the front longitudinal beam.

[0010] In some embodiments, the front longitudinal beam includes a subframe intermediate attachment point and a rear subframe attachment point. The subframe is connected to the front longitudinal beam via the subframe intermediate attachment point and the rear subframe attachment point. An annular force transmission structure is formed among the front longitudinal beam, the front compartment side beam, and the subframe.

[0011] In some embodiments, the longitudinal arm of the subframe has an arcuate structure.

[0012] In some embodiments, the subframe is connected below the front longitudinal beam. The front end and the rear end of the subframe have a constant height for transmitting forces along the horizontal direction.

[0013] In some embodiments, the vehicle further includes an A-pillar assembly. The front longitudinal beam includes a front part of the front longitudinal beam and a rear part of the front longitudinal beam connected to each other. The second end of the front compartment side beam is connected to the A-pillar assembly. The front part of the front longitudinal beam is connected to the front compartment side beam. The rear part of the front longitudinal beam is connected to the A-pillar assembly. The front longitudinal beam, the front compartment side beam, and the A-pillar assembly form an annular force transmission structure.

[0014] In some embodiments, the front compartment side beam includes a lower side beam. The lower part of the lower side beam is connected to the front part of the front longitudinal beam. The front subframe attachment point is provided at the lower end of the lower side beam. The rear subframe attachment point is provided at the rear part of the front longitudinal beam. The front longitudinal beam, the lower side beam, and the subframe form an annular force transmission structure.

[0015] In some embodiments, the front compartment side beam further includes an upper side beam. The rear end of the upper side beam is connected to the A-pillar assembly. The front end of the upper side beam is connected to the upper end of the lower side beam. The upper side beam, the lower side beam, the subframe, and the A-pillar assembly form an annular force transmission structure.

[0016] In some embodiments, the vehicle further includes a wheel housing mounting plate, a front pillar of the wheel housing, and a rear pillar of the wheel housing. The wheel housing mounting plate is connected to the upper side beam. The upper end of the front pillar of the wheel housing is connected to the wheel housing mounting plate. The lower end of the front pillar of the wheel housing is connected to the front longitudinal beam. The rear pillar of the wheel housing is disposed on the rear side of the front pillar of the wheel housing. The upper end of the rear pillar of the wheel housing is connected to the wheel housing mounting plate. The lower end of the rear pillar of the wheel housing is connected to the front longitudinal beam.

[0017] In some embodiments, the lower side beam includes a lower side beam body, an upper connection plate of the lower side beam, a lower connection plate of the lower side beam, and a reinforcing plate of the lower side beam. The upper connection plate of the lower side beam is disposed at the upper end of the lower side beam body and is connected to the front end of the upper side beam. The lower connection plate of the lower side beam is disposed at the lower end of the lower side beam body. A front mounting point of the subframe is provided on the lower connection plate of the lower side beam. The reinforcing plate of the lower side beam and the lower side beam body are connected to the front longitudinal beam.

[0018] In some embodiments, the vehicle further includes a cantilever. The subframe is connected to a subframe intermediate mounting point via the cantilever.

[0019] In some embodiments, the bottom surface of the rear portion of the front longitudinal beam has a planar structure. The planar structure is at the same height in the vertical direction of the vehicle.

[0020] In some embodiments, a battery pack mounting point is further provided on the bottom surface of the rear portion of the front longitudinal beam. The battery pack mounting point is configured to be connected to the battery pack.

[0021] In some embodiments, the front end face of the battery pack and the rear end face of the subframe are spaced apart.

[0022] Specifically, the vehicle further includes sill beams. Two sill beams are arranged. The two sill beams are respectively arranged on both sides of the vehicle. Each sill beam extends along the longitudinal direction of the vehicle. The side edges of the battery pack facing both sides of the vehicle are respectively connected to the two sill beams.

[0023] In some embodiments, at least a part of the upper cover plate of the battery pack is formed as the vehicle floor.

[0024] In some embodiments, the battery pack longitudinal beams are arranged inside the battery pack. Each battery pack longitudinal beam is arranged to extend along the longitudinal direction of the vehicle. At least one of the battery pack longitudinal beams is arranged corresponding to the rear mounting point of the sub-frame.

[0025] In some specific embodiments, in the vertical direction of the vehicle, the height of the lower end surface of the sub-frame is higher than the height of the battery pack.

[0026] In some embodiments, the rear part of the front longitudinal beam includes an outer connection plate at the rear of the longitudinal beam, an inner connection plate at the rear of the longitudinal beam, and an outer connection sealing plate at the rear of the longitudinal beam. The outer connection plate at the rear of the longitudinal beam is connected so as to overlap the A-pillar assembly. The inner connection plate at the rear of the longitudinal beam is connected to the outer connection plate at the rear of the longitudinal beam. The inner connection plate at the rear of the longitudinal beam is connected to the A-pillar assembly. The outer connection sealing plate at the rear of the longitudinal beam is connected to the A-pillar assembly. The outer connection plate at the rear of the longitudinal beam, the inner connection plate at the rear of the longitudinal beam, and the outer connection sealing plate at the rear of the longitudinal beam are connected to form a first reinforcing cavity.

[0027] In some embodiments, the vehicle further includes a first cross beam. The two ends of the first cross beam are respectively connected to two oppositely arranged A-pillar assemblies. The first cross beam is further connected to the central channel assembly.

[0028] In some embodiments, the rear part of the front longitudinal beam is connected to the first cross beam.

[0029] Specifically, the rear part of the front longitudinal beam includes a rear connection plate of the longitudinal beam and a rear part of the longitudinal beam sealing plate. The rear connection plate of the longitudinal beam is connected to the first cross beam. The rear part of the longitudinal beam sealing plate is connected to the first cross beam. The rear connection plate of the longitudinal beam and the rear part of the longitudinal beam sealing plate are arranged in a herringbone shape. The rear connection plate of the longitudinal beam is configured to transmit an impact force to the side of the central channel assembly through the first cross beam. The rear part of the longitudinal beam sealing plate is configured to transmit an impact force to the side surface of the A-pillar assembly through the first cross beam.

[0030] In some embodiments, the vehicle further includes a second cross beam. The end of the second cross beam is connected to the rear part of the front longitudinal beam. The middle part of the second cross beam is connected to the central channel assembly. The bottom surface of the second cross beam is on the same plane as the bottom surface of the rear part of the front longitudinal beam.

[0031] In some embodiments, the second cross beam is disposed below the first cross beam.

[0032] In some embodiments, the rear part of the front longitudinal beam is connected to the central channel assembly. The rear part of the front longitudinal beam includes a rear support plate of the subframe. The rear support plate of the subframe is connected to the central channel assembly. A rear mounting point of the subframe is provided corresponding to the rear support plate of the subframe. A second reinforcing cavity is formed between the central channel assembly and the second cross beam.

[0033] Some additional aspects and advantages of the present disclosure are provided in the following description. That part will become apparent from the following description or will be understood through the implementation of the present disclosure.

[0034] The above and / or additional aspects and advantages of the present disclosure will become apparent and understandable from the description of the embodiments made with reference to the following drawings.

Brief Description of the Drawings

[0035]

Figure 1

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Figure 10

Description of Reference Numerals

[0036] Vehicle 100, energy absorption box 101, front longitudinal beam 11, first reinforcement cavity 110, rear part of front longitudinal beam 111, battery pack mounting point 1111, outer connection plate 111a at the rear part of longitudinal beam, inner connection plate 111b at the rear part of longitudinal beam, outer connection sealing plate 111c at the rear part of longitudinal beam, enlarged part 112, connection plate 113 at the rear part of longitudinal beam, rear sealing plate 114 of longitudinal beam, rear support plate 115 of subframe, second reinforcement cavity 116, front part of front longitudinal beam 117, front section side beam 12, first end 12a, second end 12b, upper side beam 121, lower side beam 122, lower side beam body 1221, upper connection plate 1222 of lower side beam, lower connection plate 1223 of lower side beam, reinforcement plate 1224 of lower side beam, reinforcement plate body 1224a, reinforcement plate flange 1224b, subframe 13, front mounting point 131 of subframe, middle mounting point 132 of subframe, rear mounting point 133 of subframe, longitudinal arm 134, wheel housing mounting plate 14, front pillar 15 of wheel housing, rear pillar 16 of wheel housing, cantilever 17, first cross beam 18, A-pillar assembly 19, central channel assembly 20, second cross beam 21, battery pack 200.

Embodiments for Carrying Out the Invention

[0037] Hereinafter, embodiments of the present disclosure will be described in detail, and examples of the embodiments are shown in the drawings. Elements that are the same or similar, or elements having the same or similar functions, are denoted by the same or similar reference numerals throughout the description. The embodiments described below with reference to the drawings are illustrative and are used only for explaining the present disclosure and cannot be construed as a limitation to the present disclosure.

[0038] In the description of the present disclosure, the directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "vertical", "horizontal", "bottom", "inner", and "outer" are based on the directions or positional relationships shown in the drawings, and do not indicate or imply that the mentioned devices or elements need to have a specific direction or need to be constructed and operated in a specific direction. It should be understood that they are only used for the purpose of facilitating and simplifying the illustration and description. Therefore, these terms cannot be construed as limitations on the present disclosure. Furthermore, the features defined by "first" and "second" can explicitly or implicitly include one or more features. In the description of the present disclosure, unless otherwise specified, "a plurality" means two or more.

[0039] It should be noted that in the description of the present disclosure, unless specifically specified or defined otherwise, the terms "mounting", "connecting", and "connection part" should be understood in a broad sense. For example, the connection may be a fixed connection, a detachable connection, or an integral connection, or the connection may be a mechanical connection or an electrical connection, or the connection may be a direct connection, an indirect connection through an intermediate means, or an internal communication between two elements. Those skilled in the art can understand the specific meanings of the above terms in the present disclosure based on specific situations.

[0040] Hereinafter, the vehicle 100 according to an embodiment of the present disclosure will be described with reference to the drawings.

[0041] As shown in FIGS. 1 and 2, the vehicle 100 according to an embodiment of the present disclosure includes a front longitudinal beam 11, a subframe 13, and a subframe front mounting point 131. The subframe front mounting point 131 is connected to the front longitudinal beam 11. In the width direction of the vehicle, the subframe front mounting point 131 is provided outside the front longitudinal beam 11. The subframe 13 is connected to the front longitudinal beam 11 through the subframe front mounting point 131.

[0042] When the vehicle 100 undergoes a frontal collision or an overlap frontal collision, it will be understood that the overlapping area between the front longitudinal beam 11 and the barrier directly affects the absorption effect of the front longitudinal beam against the impact force. When the overlapping area between the front longitudinal beam 11 and the barrier becomes larger, the dispersion effect and the absorption effect of the front longitudinal beam against the impact force become better.

[0043] According to the vehicle 100 of the present disclosure, since the front subframe attachment point 131 is provided outside the vehicle width direction of the front longitudinal beam 11, the front subframe 13 can receive the force of a frontal collision or an overlap frontal collision, the load-bearing area in the vehicle width direction is enlarged, and the overlapping area between the vehicle and the barrier is enlarged, so that the force can be transmitted more effectively.

[0044] In some embodiments, as shown in FIGS. 1 to 2 and 4, the vehicle 100 further includes a front section side beam 12. The front section side beam 12 is connected to the outer surface of the front longitudinal beam 11 in the vehicle width direction. A front subframe attachment point 131 is provided at the first end 12a of the front section side beam 12.

[0045] In this way, in the vehicle width direction, since the front section side beam 12 is connected to the outer surface of the front longitudinal beam 11, the structure of the front longitudinal beam 11 extends toward the two side surfaces of the vehicle 100, and the structural strength of the front section side beam 12 and the front longitudinal beam 11 is increased. Therefore, in the small overlap frontal collision of the vehicle 100, the overlapping areas between the front section side beam 12 and the barrier and between the front longitudinal beam 11 and the barrier can be increased. In this way, the impact force generated by the collision is directly transmitted to the front section side beam 12 and the front longitudinal beam 11. The front longitudinal beam 11 and the front section side beam 12 jointly participate in impact absorption and energy absorption to protect the passenger compartment. Alternatively, the front longitudinal beam and the front section side beam form a plurality of force transmission paths for transmitting force to the vehicle body in a better way.

[0046]

[0046] In some embodiments, referring to FIG. 2, the vertical height of the front attachment point 131 of the sub-frame is located below the joint of the front section side beam 12 and the front longitudinal beam 11. In such a structure, the sub-frame 13 does not interfere with the connection between the front section side beam 12 and the front longitudinal beam 11, and the cavity between the front section side beam 12 and the front longitudinal beam 11 becomes larger. Therefore, the overlapping area between the front section side beam 12 and the barrier and between the front longitudinal beam 11 and the barrier can be increased.

[0047] In some embodiments, referring to FIG. 2, the front longitudinal beam 11 includes a sub-frame intermediate attachment point 132 and a sub-frame rear attachment point 133. The sub-frame 13 is connected to the front longitudinal beam 11 via the sub-frame intermediate attachment point 132 and the sub-frame rear attachment point 133. Therefore, the connection of the sub-frame 13 in the vehicle 100 is relatively stable by the three attachment points. In addition, since the impact force is transmitted between the front longitudinal beam 11 and the sub-frame 13 via the sub-frame intermediate attachment point 132 and the sub-frame rear attachment point 133, the impact forces supported by the front longitudinal beam 11 and the sub-frame 13 are relatively uniform, and the situation where the front longitudinal beam 11 or the sub-frame 13 supports a concentrated impact force can be avoided.

[0048] Specifically, referring to FIG. 3, the longitudinal arm 134 of the sub-frame 13 has an arc-shaped structure. Therefore, since the arc-shaped structure has a relatively good force transmission function for preventing stress concentration, the impact force can be transmitted more effectively along the longitudinal arm 134.

[0049] In the embodiments of FIGS. 2 and 3, it should be noted that the front sub-frame mounting point 131, the middle sub-frame mounting point 132, and the rear sub-frame mounting point 133 are connected to the longitudinal arm 134. The front sub-frame mounting point 131, the middle sub-frame mounting point 132, and the rear sub-frame mounting point 133 are arranged in an arc shape, and the arrangement direction thereof coincides with the extension direction of the arc of the longitudinal arm 134. Therefore, the impact forces transmitted by the three mounting points are relatively uniform, and the overall connection strength of the sub-frame 13 can be increased.

[0050] In some embodiments, as shown in FIG. 1, the sub-frame 13 is connected below the front longitudinal beam 11. The front end and the rear end of the sub-frame 13 have a certain height for transmitting force along the horizontal direction.

[0051] It will be understood that when the vehicle 100 undergoes a frontal collision, the vehicle 100 receives a horizontal impact force.

[0052] Therefore, since the sub-frame 13 is arranged in a structure such that the direction in which the sub-frame 13 extends coincides with the direction of the impact force received by the vehicle 100, the sub-frame 13 can transmit the impact force more effectively, and the torsional deformation of the sub-frame 13 can be reduced.

[0053] In some embodiments, as shown in FIGS. 1, 4, and 8, the vehicle 100 further includes an A-pillar assembly 19. The front longitudinal beam 11 includes a front longitudinal beam front portion 117 and a front longitudinal beam rear portion 111 connected to each other. The second end portion 12b of the front compartment side beam 12 is connected to the A-pillar assembly 19. The front longitudinal beam front portion 117 is connected to the front compartment side beam 12. The front longitudinal beam rear portion 111 is connected to the A-pillar assembly 19. The front longitudinal beam 11, the front compartment side beam 12, and the A-pillar assembly 19 form an annular force transmission structure.

[0054] Therefore, since the annular structure has a relatively good load-bearing function, the front longitudinal beam 11 and the front compartment side beam 12 can support a relatively large impact force. However, a relatively large cavity is provided inside the annular structure. Therefore, when the front longitudinal beam 11 and the front compartment side beam 12 support an excessively large impact force, the annular structure collapses in a crumpled manner toward the cavity so as to absorb the impact force, thereby enhancing the absorption effect of the front longitudinal beam 11 and the front compartment side beam 12 against the impact force.

[0055] In some embodiments, as shown in FIGS. 1, 2, and 4, the front compartment side beam 12 includes a lower side beam 122. The lower part of the lower side beam 122 is connected to the front part 117 of the front longitudinal beam. The sub-frame front mounting point 131 is provided at the lower end of the lower side beam 122. Further, the sub-frame rear mounting point 133 is provided on the rear part 111 of the front longitudinal beam. The front longitudinal beam 11, the lower side beam 122, and the sub-frame 13 form an annular force transmission structure.

[0056] Therefore, since the annular structure has a relatively good load-bearing function, the front longitudinal beam 11, the lower side beam 122, and the sub-frame 13 can support a larger impact force. However, a relatively large cavity is provided inside the annular structure. Therefore, when the front longitudinal beam 11, the lower side beam 122, and the sub-frame 13 support an excessively large impact force, the annular structure collapses in a crumpled manner toward the cavity so as to absorb the impact force, thereby enhancing the absorption effect of the front longitudinal beam 11, the lower side beam 122, and the sub-frame 13 against the impact force.

[0057] In some embodiments, the front compartment side beam 12 further includes an upper side beam 121. The rear end of the upper side beam 121 is connected to the A-pillar assembly 19. The front end of the upper side beam 121 is connected to the upper end of the lower side beam 122. The upper side beam 121, the lower side beam 122, the subframe 13, and the A-pillar assembly 19 form an annular force transmission structure.

[0058] Therefore, since the annular structure has a relatively good load-bearing function, the front compartment side beam 12 and the subframe 13 can support a greater impact force. However, a relatively large cavity is provided inside the annular structure. Therefore, when the front compartment side beam 12 and the subframe 13 support an excessively large impact force, the annular structure collapses into the cavity in a crumpled manner to absorb the impact force, thereby enhancing the absorption effect of the front compartment side beam 12 and the subframe 13 against the impact force.

[0059] Therefore, due to the joint fitting of the above three annular structures, the load-bearing function of the front longitudinal beam 11, the front compartment side beam 12, and the subframe 13 is enhanced, the absorption effect of the front end of the vehicle 100 against the impact force is enhanced, the torsional rigidity and modality of the vehicle 100 are enhanced, and the passenger compartment can be protected more effectively.

[0060] Specifically, referring to FIGS. 1-2, the vehicle 100 further includes a wheel housing mounting plate 14, a wheel housing front pillar 15, and a wheel housing rear pillar 16.

[0061] The wheel housing mounting plate 14 is connected to the upper side beam 121. The upper end of the front wheel housing pillar 15 is connected to the wheel housing mounting plate 14. The lower end of the front wheel housing pillar 15 is connected to the front longitudinal beam 11. The rear wheel housing pillar 16 is disposed on the rear side of the front wheel housing pillar 15. The upper end of the rear wheel housing pillar 16 is connected to the wheel housing mounting plate 14. The lower end of the rear wheel housing pillar 16 is connected to the front longitudinal beam 11.

[0062] In such a structure, both the front wheel housing pillar 15 and the rear wheel housing pillar 16 are connected between the front longitudinal beam 11 and the wheel housing mounting plate 14, and the wheel housing mounting plate 14 is further connected to the upper side beam 121. Therefore, the arrangement of the wheel housing mounting plate 14, the front wheel housing pillar 15, and the rear wheel housing pillar 16 can reinforce and support the force transmission path formed by the front longitudinal beam 11 and the front section side beam 12, and can increase the structural strength of the front longitudinal beam 11 and the front section side beam 12. In this way, the annular force transmission structure formed by the front longitudinal beam 11, the front section side beam 12, and the A-pillar assembly 19 can support a greater impact force.

[0063] In some embodiments, referring to FIGS. 1-2 and FIGS. 4-5, the lower side beam 122 includes a lower side beam main body 1221, a lower side beam upper connection plate 1222, and a lower side beam lower connection plate 1223.

[0064] The upper connection plate 1222 of the lower side beam is disposed at the upper end of the lower side beam body 1221 and connected to the front end of the upper side beam 121. The lower connection plate 1223 of the lower side beam is disposed at the lower end of the lower side beam body 1221. The lower connection plate 1223 of the lower side beam is provided at the front sub-frame mounting point 131. The lower side beam includes a lower side beam reinforcement plate 1224. The lower side beam reinforcement plate 1224 and the lower side beam body 1221 are connected to the front longitudinal beam 11.

[0065] Therefore, since the upper connection plate 1222 of the lower side beam is connected to the upper side beam 121, the sub-frame 13 is connected to the lower connection plate 1223 of the lower side beam via the front sub-frame mounting point 131, and both the upper connection plate 1222 and the lower connection plate 1223 of the lower side beam are connected to the lower side beam body 1221, thereby realizing the connection between the front section side beam 12 and the sub-frame 13.

[0066] Also, the lower side beam reinforcement plate 1224 and the lower side beam body 1221 are connected to the front longitudinal beam 11. Therefore, since the lower side beam body 1221 is connected to the side beam sealing plate 111, the connection between the front section side beam 12 and the front longitudinal beam 11 is realized. Further, by arranging the lower side beam reinforcement plate 1224 to be connected to the front longitudinal beam 11, the structural strength of the joint between the lower side beam 122 and the front longitudinal beam 11 can be enhanced.

[0067] In some embodiments, the lower side beam reinforcement plate 1224 includes a reinforcement plate body 1224a and a reinforcement plate flange 1224b. By constructing the reinforcement plate body 1224a as a grooved structure, the structural strength of the reinforcement plate body 1224a can be enhanced. However, the reinforcement plate flange 1224b is disposed within the groove structure of the reinforcement plate body 1224a, which can enhance the structural strength of the lower side beam reinforcement plate 1224 and further enhance the overall structural strength of the lower side beam 122. In this way, the lower side beam 122 can support a greater impact force.

[0068] In some embodiments, as shown in FIG. 1, the vehicle 100 further includes a cantilever 17. The subframe 13 is connected to the subframe intermediate attachment point 132 via the cantilever 17.

[0069] In such a structure, the cantilever 17 is connected between the front longitudinal beam 11 and the subframe 13, and can reinforce and support the annular force transmission structure formed by the front longitudinal beam 11, the lower side beam 122, and the subframe 13, thereby enhancing the structural strength of the front longitudinal beam 11, the lower side beam 122, and the subframe 13. In this way, the annular force transmission structure formed by the front longitudinal beam 11, the lower side beam 122, and the subframe 13 can support a greater impact force.

[0070] In some embodiments, the bottom surface of the rear portion 111 of the front longitudinal beam is a planar structure. The planar structure is at the same height in the vertical direction of the vehicle. In such a structure, since the extending direction of the bottom surface of the rear portion 111 of the front longitudinal beam coincides with the direction of the impact force received by the vehicle 100, the front longitudinal beam 11 can more effectively support the impact force, and the torsional deformation caused by the front longitudinal beam 11 is reduced.

[0071] In some embodiments, referring to FIG. 10, the battery pack attachment point 1111 is further disposed on the bottom surface of the rear portion of the front longitudinal beam 111. The battery pack attachment point 1111 is configured to connect to the battery pack 200. In such a structure, the impact force on the front side of the subframe 13 can be transmitted to the battery pack attachment point 1111 via the subframe rear attachment point 133 and effectively transmitted to the battery pack 200. In this way, a new force transmission path is formed between the subframe 13 and the battery pack 200, and the impact force received by the subframe 13 can be dispersed.

[0072] In some embodiments, the front end face of the battery pack 200 and the rear end face of the subframe 13 are spaced apart. Therefore, by forming a specific gap between the battery pack 200 and the subframe 13 in the horizontal direction, it is possible to prevent the impact force from being directly transmitted to the front end face of the battery pack 200 through the subframe 13, and the impact force passes through the subframe rear attachment point 133 and the battery pack attachment point 1111 and is reliably transmitted to the battery pack 200. In this way, another risk such as ignition caused by deformation of the battery pack 200 due to the battery pack 200 directly supporting an excessively large impact force is avoided.

[0073] In some embodiments, the distance between the front end face of the battery pack 200 and the rear end face of the subframe 13 is in the range of 10 mm to 100 mm. In this case, the impact force received by the subframe 13 is not directly transmitted to the front end face of the battery pack 200. In addition, the impact force has a relatively good transmission effect between the subframe rear attachment point 133 and the battery pack attachment point 1111.

[0074] Specifically, the vehicle 100 further includes sill beams. Two sill beams are arranged. The two sill beams are respectively arranged on both sides of the vehicle 100. Each sill beam extends along the front-rear direction of the vehicle 100. The side edges of the battery pack 200 facing both sides of the vehicle 100 are respectively connected to the two sill beams.

[0075] It will be understood that the impact force received by the vehicle 100 is transmitted along the longitudinal direction of the vehicle 100. By connecting the battery pack 200 to the sill beam, the impact force received by the battery pack 200 can be transmitted to the sill beam. However, since the extending direction of the sill beam coincides with the direction of the impact force received by the vehicle 100, the sill beam is less likely to undergo torsional deformation when supporting the impact force. In this way, the impact force received by the battery pack 200 is reduced, and another risk such as ignition due to deformation of the battery pack 200 is avoided.

[0076] In some embodiments, at least a part of the upper cover plate of the battery pack 200 is formed as a vehicle floor. Therefore, while ensuring effective protection of the battery pack 200, the space in the passenger compartment can be widened, and the riding comfort of the vehicle 100 can be improved. Also, the set volume of the battery pack 200 can be further increased, and the capacity of the battery pack 200 can be improved.

[0077] In some embodiments, the longitudinal beams of the battery pack are arranged inside the battery pack 200. Each longitudinal beam of the battery pack is arranged to extend along the longitudinal direction of the vehicle 100. At least one of the longitudinal beams of the battery pack is arranged corresponding to the sub-frame rear attachment point 133. Therefore, when the battery pack 200 supports an impact force, the impact force can be transmitted in the longitudinal direction of the vehicle 100 through the longitudinal beams of the battery pack. Since the extending direction of the longitudinal beams of the battery pack coincides with the direction of the impact force supported by the vehicle 100, the longitudinal beams of the battery pack are less likely to undergo torsional deformation when supporting the impact force, the impact force received by the battery pack 200 becomes smaller, and the battery pack 200 is protected.

[0078] In some specific embodiments, referring to FIG. 10, in the vertical direction of the vehicle, the height of the lower end surface of the sub-frame 13 is higher than the height of the battery pack 200. In such a structure, the sub-frame 13 helps to directly transmit the force to the battery pack 200.

[0079] In some embodiments, as shown in FIGS. 7 to 8, the rear part 111 of the front vertical beam includes an outer connection plate 111a of the rear part of the vertical beam, an inner connection plate 111b of the rear part of the vertical beam, and an outer connection sealing plate 111c of the rear part of the vertical beam. The outer connection plate 111a of the rear part of the vertical beam is connected so as to overlap the A-pillar assembly 19. The inner connection plate 111b of the rear part of the vertical beam is connected to the outer connection plate 111a of the rear part of the vertical beam. The inner connection plate 111b of the rear part of the vertical beam is connected to the A-pillar assembly 19. The outer connection sealing plate 111c of the rear part of the vertical beam is connected to the A-pillar assembly 19.

[0080] The outer connection plate 111a of the rear part of the vertical beam, the inner connection plate 111b of the rear part of the vertical beam, and the outer connection sealing plate 111c of the rear part of the vertical beam are connected to form a first reinforcing cavity 110.

[0081] In such a structure, the front vertical beam 11 is connected to the A-pillar assembly 19 so as to overlap at a plurality of positions, and the reliability of the connection between the front vertical beam 11 and the A-pillar assembly 19 can be improved. The structural strength of the joint between the front vertical beam 11 and the A-pillar assembly 19 can be enhanced by the arrangement of the first reinforcing cavity 110. When the joint supports an overly large impact force, the first reinforcing cavity 110 can also be involved in crushing and energy absorption.

[0082] In some embodiments, as shown in FIG. 7, the vehicle 100 further includes a first cross beam 18. Both ends of the first cross beam 18 are respectively connected to two oppositely arranged A-pillar assemblies 19. The first cross beam 18 is further connected to the central channel assembly 20. Therefore, the first cross beam 18 can support the A-pillar assembly 19 and enhance the structural strength of the A-pillar assembly 19. Furthermore, the impact force on the first cross beam 18 can be transmitted to the central channel assembly 20 to disperse the impact force received by the A-pillar assembly 19.

[0083] In some embodiments, the rear portion 111 of the front longitudinal beam is connected to the first cross beam 18. Therefore, the impact force received by the front longitudinal beam 11 can be transmitted to the first cross beam 18 via the rear portion 111 of the front longitudinal beam. In this way, the impact force is dispersedly transmitted to the A-pillar assembly 19 and the central channel assembly 20 via the first cross beam 18, and the impact force received by the front longitudinal beam 11 is dispersed so as to reduce the deformation caused by an excessively large impact force received by the front longitudinal beam 11.

[0084] Specifically, the rear portion 111 of the front longitudinal beam includes a rear longitudinal beam connection plate 113 and a rear longitudinal beam sealing plate 114. The rear longitudinal beam connection plate 113 is connected to the first cross beam 18. The rear longitudinal beam sealing plate 114 is connected to the first cross beam 18.

[0085] The rear longitudinal beam connection plate 113 and the rear longitudinal beam sealing plate 114 are arranged in a herringbone shape. The rear longitudinal beam connection plate 113 is configured to transmit the impact force to the side of the central channel assembly 20 via the first cross beam 18. The rear longitudinal beam sealing plate 114 is configured to transmit the impact force to the side of the A-pillar assembly 19 via the first cross beam 18. Therefore, the impact force supported by the front longitudinal beam 11 can be dispersedly transmitted to the central channel assembly 20 and the A-pillar assembly 19, preventing the central channel assembly 20 or the A-pillar assembly 19 from supporting a concentrated impact force, and preventing a collision or intrusion into the passenger compartment as a result of a part of the passenger compartment supporting an excessively large impact force.

[0086] In some embodiments, as shown in FIG. 7, the vehicle 100 further includes a second cross beam 21. The end of the second cross beam 21 is connected to the rear part 111 of the front longitudinal beam. The middle part of the second cross beam 21 is connected to the central channel assembly 20. Therefore, the impact force received by the front longitudinal beam 11 is dispersedly transmitted to the central channel assembly 20 through the second cross beam 21, so that the impact force received by another position of the passenger compartment is reduced, and thereby the passenger compartment is more effectively protected. However, since the bottom surface of the second cross beam 21 is on the same plane as the bottom surface of the rear part 111 of the front longitudinal beam, the transmission of the impact force at the joint between the rear part 111 of the front longitudinal beam and the second cross beam 21 can be made relatively uniform, and the transmission effect of the second cross beam 21 on the impact force can be ensured.

[0087] In some embodiments, the second cross beam 21 is disposed below the first cross beam 18. In such a structure, the first cross beam 18 and the second cross beam 21 can disperse and support the impact force received by the front longitudinal beam 11. Since the first cross beam 18 and the second cross beam 21 are at different heights, the transmission of the impact force to the first cross beam 18 and the second cross beam 21 is relatively independent, thereby enhancing the transmission effect of the first cross beam 18 and the second cross beam 21 on the impact force.

[0088] In some embodiments, as shown in FIG. 6, the front end of the front longitudinal beam 11 is an enlarged portion 112. An energy absorption box 101 is connected to the enlarged portion 112.

[0089] In some embodiments, as shown in FIGS. 8 and 9, the rear portion 111 of the front longitudinal beam is connected to the central channel assembly 20. The rear portion 111 of the front longitudinal beam includes a sub-frame rear support plate 115. The sub-frame rear support plate 115 is connected to the central channel assembly 20. The sub-frame rear attachment point 133 is disposed corresponding to the sub-frame rear support plate 115. Accordingly, the sub-frame 13 is connected to the sub-frame rear support plate 115.

[0090] Furthermore, since a second reinforcing cavity 116 is formed between the central channel assembly 20 and the second cross beam 21, the structural strength of the joint between the front longitudinal beam 11 and the tunnel can be enhanced. When the joint bears an excessively large impact force, the second reinforcing cavity 116 can also be involved in crushing and energy absorption.

[0091] Other configurations and operations of the vehicle 100 in the embodiments of the present disclosure are known to those skilled in the art, and thus will not be described in detail herein.

[0092] In the description of this specification, the descriptions provided with reference to terms such as "embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described with reference to the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the exemplary descriptions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more of the embodiments or examples.

[0093] Although the embodiments of the present disclosure have been illustrated and described, those skilled in the art can make various changes, modifications, substitutions, and variations to the embodiments without departing from the principles and spirit of the present disclosure, and it can be understood that the scope of the present disclosure is defined by the appended claims and their equivalents.

Claims

1. A vehicle, A front longitudinal beam (11); A subframe (13); a subframe front attachment point (131), the subframe front attachment point (131) being connected to the front longitudinal beam (11) and being provided on the outer side of the front longitudinal beam (11) in the width direction of the vehicle; wherein the subframe (13) is connected to the front longitudinal beam (11) via the subframe front attachment point (131). vehicle.

2. The vehicle further includes a front section side beam (12) in a width direction of the vehicle, the front section side beam (12) being connected to an outer surface of the front longitudinal beam (11), and a first end (12a) of the front section side beam (12) being provided at the subframe front mounting point (131).

2. The vehicle of claim 1.

3. The vertical height of the subframe front mounting point (131) is located below the joint between the front section side beam (12) and the front vertical beam (11); the front longitudinal beam (11) has a subframe mid-mounting point (132) and a subframe rear-mounting point (133); the subframe (13) is connected to the front longitudinal beam (11) via the subframe intermediate attachment points (132) and the subframe rear attachment points (133); An annular force transmission structure is formed between the front longitudinal beam (11), the front section side beam (12) and the subframe (13).

3. A vehicle as claimed in claim 2.

4. The vehicle according to any one of claims 1 to 3, wherein the subframe (13) is connected below the front longitudinal beam (11), and the front and rear ends of the subframe (13) have a certain height to transmit force along a horizontal direction.

5. The vehicle according to claim 3, further comprising an A-pillar assembly (19), wherein the front longitudinal beam (11) includes a front portion of the front longitudinal beam (117) and a rear portion of the front longitudinal beam (111) connected to each other, a second end (12b) of the front compartment side beam (12) is connected to the A-pillar assembly (19), the front portion of the front longitudinal beam (117) is connected to the front compartment side beam (12), the rear portion of the front longitudinal beam (111) is connected to the A-pillar assembly (19), and the front longitudinal beam (11), the front compartment side beam (12), and the A-pillar assembly (19) form an annular force transmission structure.

6. The front compartment side beam (12) includes a lower side beam (122), a lower portion of the lower side beam (122) is connected to the front portion of the front longitudinal beam (117), and the front subframe attachment point (131) is provided at a lower end of the lower side beam (122). The rear subframe attachment point (133) is provided on the rear portion of the front longitudinal beam (111), and the front longitudinal beam (11), the lower side beam (122), and the subframe (13) form an annular force transmission structure. The vehicle according to claim 5.

7. The front compartment side beam (12) further includes an upper side beam (121), a rear end of the upper side beam (121) is connected to the A-pillar assembly (19), and a front end of the upper side beam (121) is connected to an upper end of the lower side beam (122). The upper side beam (121), the lower side beam (122), the subframe (13), and the A-pillar assembly (19) form an annular force transmission structure. The vehicle according to claim 6.

8. A wheel housing mounting plate (14) connected to the upper side beam (121). A front wheel housing pillar (15), an upper end of the front wheel housing pillar (15) is connected to the wheel housing mounting plate (14), and a lower end of the front wheel housing pillar (15) is connected to the front longitudinal beam (11). The rear pillar (16) of the wheel housing, wherein the rear pillar (16) of the wheel housing is arranged on the rear side of the front pillar (15) of the wheel housing, the upper end of the rear pillar (16) of the wheel housing is connected to the wheel housing mounting plate (14), and the lower end of the rear pillar (16) of the wheel housing is connected to the front longitudinal beam (11), the rear pillar (16) of the wheel housing, and further comprising wherein the lower side beam (122) a lower side beam main body (1221), and an upper connection plate (1222) of the lower side beam, which is arranged at the upper end of the lower side beam main body (1221) and is connected to the front end of the upper side beam (121), the upper connection plate (1222) of the lower side beam, and a lower connection plate (1223) of the lower side beam, which is arranged at the lower end of the lower side beam main body (1221) and is provided with the front mounting point (131) of the subframe, the lower connection plate (1223) of the lower side beam, and a reinforcing plate (1224) of the lower side beam, wherein the reinforcing plate (1224) of the lower side beam and the lower side beam main body (1221) are connected to the front longitudinal beam (11), the reinforcing plate (1224) of the lower side beam, and the vehicle according to claim 7, comprising

9. The vehicle according to any one of claims 5 to 8, further comprising a cantilever (17), wherein the subframe (13) is connected to the intermediate mounting point (132) of the subframe via the cantilever (17).

10. The vehicle according to any one of claims 5 to 9, wherein the bottom surface of the rear part (111) of the front longitudinal beam is a flat structure, and the flat structure is at the same height in the vertical direction of the vehicle.

11. The vehicle according to any one of claims 5 to 10, wherein a battery pack mounting point (1111) is further provided on the bottom surface of the rear part (111) of the front longitudinal beam, and the battery pack mounting point (1111) is configured to be connected to a battery pack (200).

12. The front end face of the battery pack (200) and the rear end face of the subframe (13) are arranged at a distance from each other. The vehicle further comprises sill beams, two sill beams are arranged, the two sill beams are respectively arranged on both sides of the vehicle (100), and each of the sill beams extends along the front-rear direction of the vehicle (100). The side edges of the battery pack (200) facing both sides of the vehicle (100) are respectively connected to the two sill beams. The vehicle according to claim 11.

13. The vehicle according to claim 11 or 12, wherein at least a part of the upper cover plate of the battery pack (200) is formed as a vehicle floor surface.

14. A battery pack longitudinal beam is disposed in the battery pack (200), the battery pack longitudinal beam is disposed so as to extend along the longitudinal direction of the vehicle (100), and at least one of the battery pack longitudinal beams is disposed corresponding to the sub-frame rear mounting point (133). The vehicle according to any one of claims 11 to 13.

15. The vehicle according to any one of claims 11 to 14, wherein in the vertical direction of the vehicle (100), the height of the lower end surface of the sub-frame (13) is higher than the height of the battery pack (200).

16. The rear part of the front longitudinal beam (111) A longitudinal beam rear outer connection plate (111a) which is connected so as to overlap the A-pillar assembly (19), and a longitudinal beam rear outer connection plate (111a). A longitudinal beam rear inner connection plate (111b), wherein the longitudinal beam rear inner connection plate (111b) is connected to the longitudinal beam rear outer connection plate (111a), and the longitudinal beam rear inner connection plate (111b) is connected to the A-pillar assembly (19). Longitudinal beam rear inner connection plate. A longitudinal beam rear outer connection sealing plate (111c) which is connected to the A-pillar assembly (19), and a longitudinal beam rear outer connection sealing plate (111c). Connecting the longitudinal beam rear outer connection plate (111a), the longitudinal beam rear inner connection plate (111b), and the longitudinal beam rear outer connection sealing plate (111c) to form a first reinforcing cavity (110). The vehicle according to any one of claims 5 to 15.

17. Further comprising a first cross beam (18), both ends of the first cross beam (18) are respectively connected to two A-pillar assemblies (19) arranged opposite to each other, and the first cross beam (18) is further connected to the central channel assembly (20). The vehicle according to any one of claims 5 to 16.

18. The rear part of the front longitudinal beam (111) is connected to the first cross beam (18), and the rear part of the front longitudinal beam (111) A longitudinal beam rear connection plate (113) connected to the first cross beam (18); A longitudinal beam sealing plate rear part (114) connected to the first cross beam (18); comprising; the longitudinal beam rear connection plate (113) and the longitudinal beam sealing plate rear part (114) are arranged in a herringbone pattern, the longitudinal beam rear connection plate (113) is configured to transmit an impact force to the side of the central channel assembly (20) via the first cross beam (18), and the longitudinal beam sealing plate rear part (114) is configured to transmit the impact force to the side part of the A-pillar assembly (19) via the first cross beam (18); The vehicle according to claim 17.

19. Further comprising a second cross beam (21), an end of the second cross beam (21) is connected to the front longitudinal beam rear part (111), an intermediate part of the second cross beam (21) is connected to the central channel assembly (20), a bottom surface of the second cross beam (21) is in the same plane as a bottom surface of the front longitudinal beam rear part (111), and the second cross beam (21) is arranged below the first cross beam (18). The vehicle according to claim 17 or 18.

20. The front longitudinal beam rear part (111) is connected to the central channel assembly (20), the front longitudinal beam rear part (111) includes a sub-frame rear support plate (115), the sub-frame rear support plate (115) is connected to the central channel assembly (20), and a sub-frame rear mounting point (133) is provided corresponding to the sub-frame rear support plate (115); A second reinforcing cavity (116) is formed between the central channel assembly (20) and the second cross beam (21). The vehicle according to claim 19.

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