Vehicle body assembly and vehicle

Abstract

The vehicle body assembly comprises a side wall, a doorsill beam, a doorsill reinforcing plate and a floor assembly, the side wall and the doorsill reinforcing plate are fixedly connected and jointly define a semi-open installation space, the doorsill beam is arranged between the side wall and the doorsill reinforcing plate in a clamped mode, and a part of the doorsill beam is located outside the installation space. The floor assembly is arranged on the side, away from the doorsill beam, of the doorsill reinforcing plate and fixedly connected with the doorsill reinforcing plate. Therefore, according to the vehicle body assembly, the doorsill beam part is externally arranged, the cross sectional area of the doorsill beam can be increased as much as possible under the limited space condition, the side collision performance of the doorsill beam is improved, meanwhile, the doorsill beam is fixedly connected with the floor assembly through the doorsill reinforcing plate, collision force can be conducted to the floor assembly, and the side collision performance of the doorsill beam is improved. Therefore, the battery pack installed on the lower portion of the floor assembly can be protected, the risk that the battery is extruded to break out fire is reduced, and the safety of the electric automobile is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sill beams, and in particular to a vehicle body assembly and a vehicle. Background Art

[0002] With the rapid development of electric vehicles, the public has higher requirements for the collision safety of electric vehicles. However, current electric vehicles are prone to battery pack extrusion and ignition during side collisions, greatly reducing the safety of electric vehicles. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the first object of the utility model is to provide a vehicle body assembly. In this vehicle body assembly, part of the sill beam is externally disposed, so that the cross-sectional area of the sill beam can be maximally increased under limited space conditions, thereby improving the side collision performance of the sill beam. At the same time, the sill beam is fixedly connected to the floor assembly through a sill reinforcement plate, enabling the collision force to be transmitted to the floor assembly, thereby protecting the battery pack installed under the floor assembly and reducing the risk of battery extrusion and ignition, which is beneficial to improving the safety of electric vehicles.

[0004] The second object of the utility model is to provide a vehicle.

[0005] To achieve the above object, an embodiment of the first aspect of the utility model provides a vehicle body assembly, which is characterized by comprising: a side panel, a sill beam, a sill reinforcement plate, and a floor assembly. The side panel and the sill reinforcement plate are fixedly connected and jointly define a semi-open installation space. The sill beam is clamped between the side panel and the sill reinforcement plate, and part of the sill beam is located outside the installation space. The floor assembly is disposed on the side of the sill reinforcement plate away from the sill beam and is fixedly connected to the sill reinforcement plate.

[0006] According to the vehicle body assembly of the embodiment of the utility model, part of the sill beam is externally disposed, so that the cross-sectional area of the sill beam can be maximally increased under limited space conditions, thereby improving the side collision performance of the sill beam. At the same time, the sill beam is fixedly connected to the floor assembly through a sill reinforcement plate, enabling the collision force to be transmitted to the floor assembly, thereby protecting the battery pack installed under the floor assembly and reducing the risk of battery extrusion and ignition, which is beneficial to improving the safety of electric vehicles.

[0007] According to some examples of the utility model, the floor assembly includes: a floor panel and a floor longitudinal beam assembly. The floor panel and the floor longitudinal beam assembly are both fixedly connected to the sill reinforcement plate, and the floor longitudinal beam assembly is fixedly disposed on the lower side of the floor panel.

[0008] According to some examples of the present utility model, the floor longitudinal beam assembly includes: a floor longitudinal beam and a longitudinal beam connecting plate, the longitudinal beam connecting plate is connected between the floor longitudinal beam and the sill reinforcement plate, and the floor longitudinal beam is fixedly connected to the floor panel.

[0009] According to some examples of the present utility model, the floor longitudinal beam includes a longitudinal beam body and a connecting flange, the connecting flange is bent away from the longitudinal beam body, and the longitudinal beam connecting plate is fixedly connected to the longitudinal beam body and the connecting flange respectively.

[0010] According to some examples of the present utility model, the vehicle body assembly further includes: a seat cross beam, the seat cross beam is arranged on the side of the floor panel away from the floor longitudinal beam assembly, and the seat cross beam is fixedly connected to both the floor panel and the sill reinforcement plate.

[0011] According to some examples of the present utility model, the seat cross beam has a first bent protrusion, and the seat cross beam and the floor panel jointly define a first cavity.

[0012] According to some examples of the present utility model, the longitudinal beam connecting plate has a second bent protrusion, and the longitudinal beam connecting plate is fixedly connected to the floor panel to jointly define a second cavity.

[0013] According to some examples of the present utility model, the inside of the sill beam is a cavity structure, and reinforcing ribs for subdividing the cavity structure are arranged in the cavity structure.

[0014] According to some examples of the present utility model, some of the plurality of reinforcing ribs are inclined or horizontally arranged to form force transmission channels continuously extending in different directions, so that the force transmission channels transmit force to the seat cross beam, the floor panel and the floor longitudinal beam assembly.

[0015] To achieve the above object, a second aspect embodiment of the present utility model provides a vehicle, including the vehicle body assembly in the first aspect embodiment.

[0016] For the vehicle according to the embodiment of the present utility model, by providing the above vehicle body assembly, the sill beam part of the vehicle body assembly is externally disposed, so that the cross-sectional area of the sill beam can be increased as much as possible under limited space conditions, thereby improving the side impact performance of the sill beam. At the same time, the sill beam is also fixedly connected to the floor assembly through the sill reinforcement plate, so that the collision force can be transmitted to the floor assembly, thereby protecting the battery pack installed under the floor assembly and reducing the risk of battery extrusion and fire, which is beneficial to improving the safety of electric vehicles.

[0017] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0018] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

[0019] Figure 1 is a schematic diagram of a vehicle body assembly according to an embodiment of the present utility model;

[0020] Figure 2 is a partial sectional schematic diagram of a vehicle body assembly according to an embodiment of the present utility model;

[0021] Figure 3 is a partial sectional schematic diagram of a vehicle body assembly according to another embodiment of the present utility model;

[0022] Figure 4 is a connection schematic diagram of a floor longitudinal beam and a longitudinal beam connecting plate according to an embodiment of the present utility model;

[0023] Figure 5 is a sectional schematic diagram of a seat cross beam, a longitudinal beam connecting plate and a floor panel according to an embodiment of the present utility model.

[0024] Reference numerals:

[0025] Vehicle body assembly 100;

[0026] Side wall 1; Side wall outer panel 11; Side wall reinforcement plate 12;

[0027] Sill beam 2; Reinforcing rib 21; First force transmission channel 22; Second force transmission channel 23; Upper inclined surface 24; Protrusion 25; First mounting portion 251; Second mounting portion 26;

[0028] Sill reinforcement plate 3;

[0029] Floor assembly 4; Floor panel 41; Floor longitudinal beam assembly 42; Floor longitudinal beam 421; Longitudinal beam body 4211; Connecting flange 4212; Longitudinal beam connecting plate 422; Second bending protrusion 4221;

[0030] Seat cross beam 5; First bending protrusion 51;

[0031] First cavity 6; Second cavity 7;

[0032] Sill trim 8. Detailed Description of the Embodiment

[0033] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0034] It should be noted that with the rapid development of electric vehicles, the public has higher requirements for the collision safety of electric vehicles. However, current electric vehicles are prone to battery pack extrusion and ignition during side collisions, greatly reducing the safety of electric vehicles.

[0035] Based on this, the present application proposes a body component 100. The body component 100 makes part of the sill beam 2 external, enabling it to maximize the cross-sectional area of the sill beam 2 under limited space conditions, thereby improving the side collision performance of the sill beam 2. At the same time, the sill beam 2 is also fixedly connected to the floor assembly 4 through a sill reinforcement plate 3, enabling the collision force to be transmitted to the floor assembly 4, thereby protecting the battery pack installed below the floor assembly 4 and reducing the risk of battery extrusion and ignition, which is beneficial to improving the safety of electric vehicles.

[0036] The following describes the body component 100 and the vehicle according to embodiments of the present invention with reference to the accompanying drawings.

[0037] As Figures 1-5 shown, the body component 100 according to the first aspect embodiment of the present invention includes: a side panel 1, a sill beam 2, a sill reinforcement plate 3, and a floor assembly 4. The side panel 1 and the sill reinforcement plate 3 are fixedly connected and jointly define a semi-open installation space. The sill beam 2 is clamped between the side panel 1 and the sill reinforcement plate 3, and part of the sill beam 2 is located outside the installation space. The floor assembly 4 is provided on the side of the sill reinforcement plate 3 away from the sill beam 2 and is fixedly connected to the sill reinforcement plate 3.

[0038] Specifically, as Figure 2 and Figure 3 shown, the side panel 1 is fixedly connected to the sill reinforcement plate 3. The connection methods include but are not limited to bolt connection, riveting, etc. The free ends of the side panel 1 and the sill reinforcement plate 3 are arranged opposite to each other and spaced apart. Optionally, the free ends of the side panel 1 and the sill reinforcement plate 3 both extend downward. In this way, the side panel 1 and the sill reinforcement plate 3 can jointly define a semi-open installation space. It should be noted that the free ends of the side panel 1 and the sill reinforcement plate 3 can also extend in different directions as long as they can define a semi-open installation space, and no specific limitation is made here. It should be noted that the side panel 1 is composed of a side outer panel 11 and a side reinforcement plate 12. Among them, the side outer panel 11 is fixedly provided on the outside of the side reinforcement plate 12, and the inner side of the side reinforcement plate 12 is fixedly connected to the sill beam 2. The fixed connection methods include but are not limited to bolt connection, spot welding, riveting, adhesive bonding, or flow drill screw connection, etc. With such a setting, the overall strength of the side panel 1 can be improved by providing the side reinforcement plate 12.

[0039] Further, taking a partial cross-sectional view of the body component 100 in accordance with Figure 2Taking the shown placement direction as an example for illustration, the sill beam 2 is clamped between the side panel 1 and the sill reinforcement plate 3. Among them, the left side of the sill beam 2 is fixedly connected to the side panel 1, and the right side of the sill beam 2 is fixedly connected to the sill reinforcement plate 3. Part of the sill beam 2 is located outside the installation space. That is to say, the semi-open installation space defined by the side panel 1 and the sill reinforcement plate 3 semi-surrounds the sill beam 2, so that a part of the sill beam 2 is directly exposed outside the installation space, thereby reducing the limitation of the installation space of the sill beam 2 by the side panel 1 and the sill reinforcement plate 3. When designing the structure of the sill beam 2, the cross-sectional area of the sill beam 2 can be increased as much as possible under limited space conditions, which is beneficial to improving the energy absorption performance of the sill beam 2.

[0040] Furthermore, the vehicle body assembly 100 further includes a floor assembly 4. Currently, the battery pack of an electric vehicle is usually arranged below the floor assembly 4. In this application, the floor assembly 4 is arranged on the side of the sill reinforcement plate 3 away from the sill beam 2 and is fixedly connected to the sill reinforcement plate 3. It can be understood that the sill beams 2 are arranged on both the left and right sides of the vehicle, and each sill beam 2 is correspondingly provided with a sill reinforcement plate 3. The floor assembly 4 is fixedly connected between the sill reinforcement plates 3 on both the left and right sides.

[0041] With such an arrangement, when a side collision occurs to the vehicle, the collision force can be transmitted to the sill beam 2 in the first time, and due to the increase in the cross-sectional area of the sill beam 2 resulting in improved energy absorption performance, the sill beam 2 can absorb a large amount of impact force during the collision process, which is beneficial to reducing the deformation of the sill beam 2 during a side collision. At the same time, since the floor assembly 4 is fixedly connected to the sill reinforcement plate 3, the collision force generated by the side collision can be conducted to the floor assembly 4, thereby protecting the battery pack installed below the floor assembly 4 to reduce the risk of battery extrusion and fire, which is beneficial to improving the safety of the electric vehicle.

[0042] According to the vehicle body assembly 100 of the embodiment of the present utility model, the vehicle body assembly 100 makes part of the sill beam 2 external, enabling it to increase the cross-sectional area of the sill beam 2 as much as possible under limited space conditions, thereby improving the side collision performance of the sill beam 2. At the same time, the sill beam 2 is also fixedly connected to the floor assembly 4 through the sill reinforcement plate 3, enabling the collision force to be conducted to the floor assembly 4, thereby protecting the battery pack installed below the floor assembly 4 to reduce the risk of battery extrusion and fire, which is beneficial to improving the safety of the electric vehicle.

[0043] It should be noted that since the side panel 1 and the sill reinforcement plate 3 define a semi-open installation space, which is equivalent to shortening the lower stop structures of the traditional side panel 1 and the sill reinforcement plate 3, it is beneficial to reduce the weight of the side panel 1 and the sill reinforcement plate 3, thereby minimizing the excessive weight gain of the vehicle caused by the increase in the cross-sectional area of the sill beam 2 and reducing the impact of the increase in the cross-sectional area of the sill beam 2 on the vehicle body lightweighting.

[0044] In some examples of the present utility model, such as Figures 1-3 shown, the floor assembly 4 includes: a floor panel 41 and a floor longitudinal beam assembly 42. Both the floor panel 41 and the floor longitudinal beam assembly 42 are fixedly connected to the sill reinforcement plate 3, and the floor longitudinal beam assembly 42 is fixedly arranged on the lower side of the floor panel 41. Specifically, the floor longitudinal beam assembly 42 is fixedly installed below the floor panel 41, and the installation methods include but are not limited to spot welding, bolt connection, etc. It can be understood that the battery pack is located below the floor longitudinal beam assembly 42, and both the floor panel 41 and the floor longitudinal beam assembly 42 are fixedly connected to the sill reinforcement plate 3. With such a setting, when the vehicle is subjected to a side collision, the collision force can be dispersed and transmitted along the floor panel 41 and the floor longitudinal beam assembly 42, which is beneficial to reducing the deformation of the floor longitudinal beam assembly 42, thereby reducing the extrusion of the battery pack and lowering the risk of fire.

[0045] In some examples of the present utility model, such as Figures 2-4 shown, the floor longitudinal beam assembly 42 includes: a floor longitudinal beam 421 and a longitudinal beam connecting plate 422. The longitudinal beam connecting plate 422 is connected between the floor longitudinal beam 421 and the sill reinforcement plate 3, and the floor longitudinal beam 421 is fixedly connected to the floor panel 41. Specifically, as Figure 2 shown, one end of the longitudinal beam connecting plate 422 is fixedly connected to the sill reinforcement plate 3, and the other end is fixedly connected to the floor longitudinal beam 421. The connection methods include but are not limited to bolt connection, spot welding, riveting, bonding, or flow drill screw connection, etc. Among them, the floor longitudinal beam 421 is fixedly connected to the floor panel 41 and forms a cavity structure. With such a setting, it is beneficial to improve the anti-collision ability of the floor longitudinal beam 421, that is, it is beneficial to improve the bending resistance performance of the floor longitudinal beam 421. When the vehicle has a side collision, it can well protect the battery pack below the floor longitudinal beam assembly 42.

[0046] In some examples of the present utility model, such as Figure 4 shown, the floor longitudinal beam 421 includes a longitudinal beam body 4211 and a connecting flange 4212. The connecting flange 4212 is bent in a direction away from the longitudinal beam body 4211, and the longitudinal beam connecting plate 422 is fixedly connected to both the longitudinal beam body 4211 and the connecting flange 4212 respectively. Specifically, the connecting flange 4212 of the floor longitudinal beam 421 is bent in a direction away from the longitudinal beam body 4211, that is to say, the connecting flange 4212 and the longitudinal beam body 4211 have a certain included angle. The longitudinal beam connecting plate 422 is fixedly connected to both the longitudinal beam body 4211 and the connecting flange 4212 respectively. The connection methods include but are not limited to spot welding, riveting, or bolt connection. With such a setting, it can achieve the two-sided fixed connection between the longitudinal beam connecting plate 422 and the floor longitudinal beam 421, which is beneficial to improving the connection strength between the longitudinal beam connecting plate 422 and the floor longitudinal beam 421. When the collision force is transmitted from the longitudinal beam connecting plate 422 to the floor longitudinal beam 421, the risk of disconnection at the connection between the longitudinal beam connecting plate 422 and the floor longitudinal beam 421 can be reduced.

[0047] In some examples of the present utility model, as Figures 1-3 shown, the vehicle body assembly 100 further includes: a seat cross beam 5, the seat cross beam 5 is disposed on a side of the floor panel 41 away from the floor longitudinal beam assembly 42, and the seat cross beam 5 is fixedly connected to both the floor panel 41 and the sill reinforcement plate 3. Specifically, the seat cross beam 5 is fixedly installed above the floor panel 41. As described above, a sill beam 2 is provided on each of the left and right sides of the vehicle, and each sill beam 2 corresponds to a sill reinforcement plate 3. A seat cross beam 5 is fixedly provided between the two sill reinforcement plates 3. The fixed connection methods include but are not limited to bolt connection, spot welding, riveting, adhesive bonding, or flow drill screw connection, etc. With such a setting, when a side collision occurs to the vehicle, the collision force can be dispersed and transmitted along the sill beam 2 to the floor panel 41, the floor longitudinal beam assembly 42, and the seat cross beam 5, and the seat cross beam 5 can play a certain role in resisting bending of the floor panel 41, avoiding large deformation of the floor panel 41, so as to reduce the risk of battery fire caused by the deformation of the floor panel 41.

[0048] In some examples of the present utility model, as Figure 5 shown, the seat cross beam 5 has a first bent protrusion 51, and the seat cross beam 5 and the floor panel 41 jointly define a first cavity 6. Specifically, the seat cross beam 5 has a first bent protrusion 51 that bends upward. The seat cross beam 5 is fixedly connected to the floor panel 41 and jointly defines the first cavity 6 with the floor panel 41. With such a setting, it is beneficial to improve the anti-collision ability of the seat cross beam 5, and it is beneficial to further improve the bending resistance of the seat cross beam 5 to the floor panel 41. When a side collision occurs to the vehicle, the deformation of the seat cross beam 5 and the floor panel 41 is reduced, and the protection ability for the battery pack is improved.

[0049] In some examples of the present utility model, as Figure 5 shown, the longitudinal beam connecting plate 422 has a second bent protrusion 4221, and the longitudinal beam connecting plate 422 is fixedly connected to the floor panel 41 to jointly define a second cavity 7.

[0050] Specifically, the longitudinal beam connecting plate 422 has a second bent protrusion 4221 that bends downward. The longitudinal beam connecting plate 422 is fixedly connected to the floor panel 41 to jointly define the second cavity 7. The first cavity 6 can be disposed opposite to the second cavity 7, so that the seat cross beam 5, the longitudinal beam connecting plate 422, and the floor panel 41 form a double-cavity structure, which is beneficial to absorb more energy during a side collision and protect the battery pack from being squeezed; further, the second bent protrusion 4221 of the longitudinal beam connecting plate 422 can be multiple. For example, the number of the second bent protrusions 4221 can be 2, 3, 4, 5, which is specifically set according to actual needs and is not specifically limited here. In some examples of the present application, as Figure 5As shown, two second bending protrusions 4221 are provided at the connection of the longitudinal beam. The longitudinal beam connecting plate 422 is integrally in a "W" shape structure. The longitudinal beam connecting plate 422 can form a double cavity with the floor panel 41. In this way, more energy can be absorbed during a side impact, and the cavity structure can make the force transmission more sufficient, so that more force is conducted to the floor longitudinal beam 421, thereby realizing the protection of the battery pack under the floor longitudinal beam 421.

[0051] In some examples of the present utility model, such as Figure 2 and Figure 3 As shown, the inside of the sill beam 2 is a cavity structure, and reinforcing ribs 21 for subdividing the cavity structure are provided in the cavity structure. Specifically, as the cross-sectional area of the sill beam 2 increases, the inside of the sill beam 2 can be divided into more small cavities by the reinforcing ribs 21, thereby forming a grid-shaped box structure beneficial to energy absorption. For example, as Figure 2 As shown, the cavity structure inside the sill beam 2 is divided into a nine-square grid by the reinforcing ribs 21. With such a setting, during the collision process, each small cavity can absorb energy. At the same time, the setting of the reinforcing ribs 21 also increases the strength of the sill beam 2, making the sill beam 2 form a frame structure with a grid-shaped cavity, so that the anti-collision performance of the sill beam 2 is more prominent and excellent.

[0052] In some examples of the present utility model, some of the multiple reinforcing ribs 21 are inclined or horizontally arranged to form force transmission channels continuously extending in different directions, so that the force transmission channels transmit the force to the seat cross beam 5, the floor panel 41 and the floor longitudinal beam assembly 42. Specifically, some of the multiple reinforcing ribs 21 inside the sill beam 2 are inclined or horizontally arranged to form force transmission channels continuously extending in different directions. The number of the force transmission channels is set according to actual needs. For example, as Figure 2As shown, a first force transmission channel 22 and a second force transmission channel 23 are formed inside the sill beam 2. Among them, the first force transmission channel 22 is composed of three reinforcing ribs 21 that are inclined and connected in sequence. The first force transmission channel 22 extends obliquely upward and to the right. The second force transmission channel 23 is composed of three reinforcing ribs 21 that are horizontally arranged and connected in sequence. The second force transmission channel 23 extends horizontally to the right. The first force transmission channel 22 can transmit force to the floor panel 41 and the floor longitudinal beam assembly 42, and the second force transmission channel 23 can transmit force to the seat cross beam 5. Of course, the specific extension direction of the force transmission channel is related to the specific positions of the seat cross beam 5, the floor panel 41, and the floor longitudinal beam assembly 42. If the seat cross beam 5, the floor panel 41, and the floor longitudinal beam assembly 42 are all arranged in the middle position of the sill beam 2, the first force transmission channel 22 and the second force transmission channel 23 can also both extend horizontally. With such a setting, the force generated during the collision can be dispersed and transmitted to the seat cross beam 5, the floor panel 41, and the floor longitudinal beam assembly 42 through multiple force transmission channels, reducing the force borne by each component, which is beneficial to reducing the deformation degree of the floor panel 41 and the floor longitudinal beam assembly 42. It should be noted that a cavity structure is formed between the seat cross beam 5 and the floor panel 41 and between the floor panel 41 and the floor longitudinal beam assembly 42, which is beneficial to absorbing more energy during a side collision and protecting the battery pack from being squeezed.

[0053] In some examples of the present utility model, as Figure 2 and Figure 3 shown, the upper inclined surface 24 of the sill beam 2 has an included angle α with the horizontal plane, satisfying the relationship: α ≤ 30°.

[0054] Specifically, both the upper and lower side walls of the sill beam 2 have a force transmission function. Among them, the included angle α between the upper inclined surface 24 of the sill beam 2 and the horizontal plane is less than or equal to 30°. For example, the included angle between the upper inclined surface 24 of the sill beam 2 and the horizontal plane can be 0°, 5°, 10°, 15°, 20°, 25°, 30°, which is specifically set according to actual needs. In this way, it can prevent the sill beam 2 from having poor force transmission and insufficient energy absorption due to too large an angle of the upper inclined surface 24 during a side collision, thereby weakening the energy absorption ability of the sill beam 2.

[0055] In some examples of the present utility model, as Figure 2 and Figure 3 shown, the sill beam 2 has a protruding portion 25. The protruding portion 25 is located below the side panel 1 and protrudes in a direction away from the outside of the side panel 1.

[0056] Specifically, continuing to take the partial cross-sectional view of the vehicle body assembly 100 as an example in the placement direction shown in Figure 2 shown, the sill beam 2 is provided with a protruding portion 25 outside the installation space. For example, when the sill beam 2 is provided on the left side of the vehicle, as Figure 2 andFigure 3 As shown, the protruding part 25 is arranged on the lower side of the side wall 1, and the protruding part 25 protrudes to the left. It can be understood that when the left side of the vehicle is subjected to a side collision, the protruding part 25 of the sill beam 2 directly participates in collision energy absorption, and the protruding part 25 is beneficial to increasing the strength of the sill beam 2, thereby further improving the anti-collision performance of the sill beam 2.

[0057] In some examples of the present utility model, such as Figure 3 As shown, the vehicle body assembly 100 further includes: a sill trim 8. The protruding part 25 has a first mounting part 251. A second mounting part 26 is provided at the fixed connection between the sill beam 2 and the side wall reinforcement plate 12. The sill trim 8 is fixedly connected to the sill beam 2 through the first mounting part 251 and the second mounting part 26.

[0058] Specifically, the protruding part 25 of the sill beam 2 provides the first mounting part 251 for the installation of the sill trim 8. A second mounting part 26 is provided at the fixed connection between the sill beam 2 and the side wall reinforcement plate 12. The sill trim 8 is fixedly connected to the sill beam 2 through the first mounting part 251 and the second mounting part 26. The connection methods include but are not limited to snap connection, bolt connection, etc. In this way, by setting two mounting points, the sill trim 8 can be installed more firmly.

[0059] The vehicle according to the second aspect embodiment of the present utility model includes the vehicle body assembly 100 in the first aspect embodiment.

[0060] For the vehicle according to the embodiment of the present utility model, by providing the above-mentioned vehicle body assembly 100, the vehicle body assembly 100 makes part of the sill beam 2 external, so that it can maximize the cross-sectional area of the sill beam 2 under limited space conditions, thereby improving the side collision performance of the sill beam 2. At the same time, the sill beam 2 is also fixedly connected to the floor assembly 4 through the sill reinforcement plate 3, so that the collision force can be transmitted to the floor assembly 4, thereby protecting the battery pack installed under the floor assembly 4 and reducing the risk of battery extrusion and fire, which is beneficial to improving the safety of electric vehicles.

[0061] It should be noted that in the description of the present utility model, it is to be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0062] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0063] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations 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 a suitable manner in any one or more embodiments or examples.

[0064] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0065] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A vehicle body component (100), characterized in that, Including: A side wall (1), a sill beam (2), a sill reinforcement plate (3), and a floor assembly (4). The side wall (1) and the sill reinforcement plate (3) are fixedly connected and jointly define a semi-open installation space. The sill beam (2) is clamped between the side wall (1) and the sill reinforcement plate (3), and a part of the sill beam (2) is located outside the installation space. The floor assembly (4) is disposed on a side of the sill reinforcement plate (3) away from the sill beam (2) and is fixedly connected to the sill reinforcement plate (3).

2. The vehicle body assembly (100) according to claim 1, wherein, The floor assembly (4) includes: a floor panel (41) and a floor longitudinal beam assembly (42). The floor panel (41) and the floor longitudinal beam assembly (42) are both fixedly connected to the sill reinforcement plate (3), and the floor longitudinal beam assembly (42) is fixedly disposed on the lower side of the floor panel (41).

3. The vehicle body assembly (100) according to claim 2, wherein The floor longitudinal beam assembly (42) includes: a floor longitudinal beam (421) and a longitudinal beam connecting plate (422). The longitudinal beam connecting plate (422) is connected between the floor longitudinal beam (421) and the sill reinforcement plate (3), and the floor longitudinal beam (421) is fixedly connected to the floor panel (41).

4. The vehicle body component (100) according to claim 3, characterized in that, The floor longitudinal beam (421) includes a longitudinal beam body (4211) and a connecting flange (4212). The connecting flange (4212) is bent in a direction away from the longitudinal beam body (4211), and the longitudinal beam connecting plate (422) is fixedly connected to the longitudinal beam body (4211) and the connecting flange (4212) respectively.

5. The vehicle body assembly (100) according to claim 4, characterized in that, The vehicle body assembly (100) further includes: a seat cross beam (5). The seat cross beam (5) is disposed on a side of the floor panel (41) away from the floor longitudinal beam assembly (42), and the seat cross beam (5) is fixedly connected to both the floor panel (41) and the sill reinforcement plate (3).

6. The vehicle body assembly (100) according to claim 5, characterized in that, The seat cross beam (5) has a first bent protrusion (51), and the seat cross beam (5) and the floor panel (41) jointly define a first cavity (6).

7. The vehicle body assembly (100) according to claim 5, characterized in that, The longitudinal beam connecting plate (422) has a second bent protrusion (4221), and the longitudinal beam connecting plate (422) is fixedly connected to the floor panel (41) to jointly define a second cavity (7).

8. The vehicle body assembly (100) according to claim 5, characterized in that, The interior of the sill beam (2) is a cavity structure, and a reinforcing rib (21) for subdividing the cavity structure is provided in the cavity structure.

9. The vehicle body component (100) according to claim 6, characterized in that, Some of the plurality of reinforcing ribs (21) are inclined or horizontally arranged to form a force transmission channel continuously extending in different directions, so that the force transmission channel transmits force to the seat cross beam (5), the floor panel (41), and the floor longitudinal beam assembly (42).

10. A vehicle, characterized in that, Including the vehicle body assembly (100) according to any one of claims 1-9.

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