Chassis and vehicle

Abstract

The utility model relates to a chassis and a vehicle. The chassis comprises an energy cabin, a plug block and a front cabin. The energy cabin comprises a frame and a single battery, the single battery is contained in the frame, the frame comprises a threshold beam, the threshold beam extends in the first direction, the single battery is arranged on the side, in the second direction, of the threshold beam, and the threshold beam is provided with a cavity. The plug block is at least partially contained in the cavity. The front cabin is connected to the frame and comprises a torsion box, the torsion box comprises a first connecting part and a second connecting part, the first connecting part is arranged on the side, in the first direction, of the doorsill beam and connected to the plug block, the second connecting part is arranged on the side, in the third direction, of the doorsill beam and connected to the plug block, and the first direction, the second direction and the third direction are perpendicular to one another. According to the chassis provided by the invention, the connection of the doorsill beam and the torsion box in two directions is realized through the plug blocks, and a relatively large power distribution space is provided for the battery monomers.

Description

Chassis and vehicles Technical Field

[0001] This application relates to the field of vehicle manufacturing technology, and in particular to chassis and vehicles. Background Technology

[0002] With the advancement of technology and the improvement of people's living standards, new energy vehicles are attracting increasing market attention due to their advantages such as clean energy and high level of intelligence.

[0003] Improving the space utilization rate of vehicles is a technical problem that urgently needs to be solved in vehicle technology. Summary of the Invention

[0004] This application provides a chassis and vehicle, which aims to improve the space utilization of the chassis to a certain extent.

[0005] In a first aspect, this application proposes a chassis comprising an energy compartment, a plug block, and a front compartment. The energy compartment includes a frame and battery cells, the battery cells being housed within the frame. The frame includes a sill beam extending along a first direction, and the battery cells are disposed on one side of the sill beam along a second direction. The sill beam has a cavity. The plug block is at least partially housed within the cavity. The front compartment is connected to the frame and includes a torsion box. The torsion box includes a first connecting portion and a second connecting portion. The first connecting portion is disposed on one side of the sill beam along the first direction and connected to the plug block, and the second connecting portion is disposed on one side of the sill beam along a third direction and connected to the plug block. The first direction, the second direction, and the third direction are perpendicular to each other.

[0006] The chassis provided in this application has a plug at least partially housed within the cavity of the sill beam. The torsion box includes a first connecting part and a second connecting part. The first connecting part is located on one side of the sill beam along a first direction and connected to the plug, while the second connecting part is located on one side of the sill beam along a third direction and connected to the plug. The connection between the second connecting part and the plug achieves a fixed connection between the sill beam and the torsion box in the third direction. The connection between the first connecting part and the plug achieves a fixed connection between the sill beam and the torsion box in the first direction, reducing the space occupied by the connection between the sill beam and the torsion box in the second direction. This provides a larger electrical distribution space for individual battery cells within a limited space, thereby improving the chassis's space utilization. Furthermore, the plug achieves a connection between the sill beam and the torsion box in two directions and can disperse the stress at the connection between the sill beam and the torsion box, reducing stress concentration and lowering the probability of deformation when the sill beam and the torsion box are subjected to external impact. The plug, at least partially housed within the cavity, provides support for the sill beam, improving the connection strength between the sill beam and the torsion box, thereby enhancing the overall structural strength of the chassis.

[0007] According to one embodiment of this application, the plug includes a body portion and a protrusion portion. The protrusion portion protrudes along a first direction from the side of the body portion facing the first connecting portion. The protrusion portion is located between the first connecting portion and the sill beam. The protrusion portion is connected to the first connecting portion. The body portion is accommodated in a cavity and is connected to a second connecting portion.

[0008] In these alternative embodiments, the protrusion is connected to the first connecting part and the body part is connected to the second connecting part, which can disperse the stress of the plug and the torsion box, thereby reducing stress concentration and also reducing the probability of deformation of the sill beam and the torsion box when subjected to external impact.

[0009] According to one embodiment of this application, the chassis further includes a first connector that extends along a first direction and connects to the protrusion and the first connecting portion.

[0010] In these alternative embodiments, the arrangement of the first connector facilitates the connection between the plug and the torsion box in the first direction, and also indirectly facilitates the connection between the sill beam and the torsion box in the first direction.

[0011] According to one embodiment of this application, the first connector is also connected to the body portion.

[0012] In these alternative embodiments, such an arrangement, extending the span of the first connector in the first direction, can both improve the connection strength between the plug and the torsion box and effectively disperse and transfer stress to improve the overall structural stability.

[0013] According to one embodiment of this application, the first connecting portion is provided with a first mounting hole along a first direction;

[0014] The first connector passes through the first mounting hole and is fixed to the protrusion.

[0015] In these optional embodiments, the first connecting part is connected to the plug by the cooperation of the first mounting hole and the first connector, which facilitates the installation and disassembly of the plug and the torque box and simplifies the installation method of the plug and the torque box.

[0016] According to one embodiment of this application, the first connecting portion has an inwardly recessed portion on the surface of the sill beam away from the first direction, and a first mounting hole is provided in the recessed portion.

[0017] In these alternative embodiments, the first mounting hole is provided in the recess, such that a portion of the first connector is embedded in the recess, thereby further reducing the space occupied by the first connector in the chassis.

[0018] According to one embodiment of this application, the torque box further includes a reinforcing portion disposed in the recess and connected to the edge of the first mounting hole.

[0019] In these alternative embodiments, the reinforcement is used to enhance the structural strength of the first connector.

[0020] According to one embodiment of this application, the chassis further includes a second connector that extends along a third direction and connects to the body portion, the sill beam, and the second connector.

[0021] In these alternative embodiments, the arrangement of the first connector facilitates the connection between the plug and the torsion box in the first direction, and also indirectly facilitates the connection between the sill beam and the torsion box in the first direction.

[0022] According to one embodiment of this application, the chassis is provided with a second mounting hole and a second connector. The second mounting hole passes through the body, the sill beam and the second connector in a third direction. The second connector passes through the second mounting hole and is connected to the body, the sill beam and the second connector.

[0023] In these optional embodiments, the second mounting hole and the second connector are used to connect the second connecting part, the sill beam, and the plug, facilitating the installation and removal of the plug, sill beam, and torsion box, and simplifying the installation method of the plug, sill beam, and torsion box. Furthermore, it simplifies the sill beam processing and improves the product yield rate.

[0024] According to one embodiment of this application, the second connecting part includes a connecting body and a protrusion. The connecting body is disposed on one side of the sill beam along a third direction, and the protrusion protrudes from the second connecting part on the side away from the sill beam. The second connector passes through the second connecting part and connects to the protrusion.

[0025] In these alternative embodiments, the protrusion increases the connection area between the second connector and the second connecting portion, improving the stability of the plug, sill beam, and torsion box. Furthermore, while maintaining connection stability, it reduces the space occupied by the second connecting portion.

[0026] According to one embodiment of this application, the threshold beam includes a wall and a reinforcing rib, the reinforcing rib being disposed in the wall and connected to the wall, the wall and the reinforcing rib forming a cavity; the plug and the reinforcing rib are spaced apart along a first direction.

[0027] In these alternative embodiments, the plug and the reinforcing rib are spaced apart along the first direction. Before the plug is fixed to the torsion box, the plug can provide a certain clearance space for the installation of the energy compartment, so as to reduce the interference of the plug on the installation position of the front compartment.

[0028] According to one embodiment of this application, in a first direction, the size of the protrusion is less than or equal to the distance between the plug and the reinforcing rib.

[0029] In these alternative embodiments, this arrangement makes good use of the space inside the sill beam.

[0030] According to one embodiment of this application, the frame further includes a first crossbeam disposed on the side of the battery cell facing the torsion box along a first direction, and the first crossbeam is connected to the sill beam; the front compartment further includes a second crossbeam located on the side of the first crossbeam along a third direction, and the second crossbeam has a receiving cavity; the chassis further includes a third connector extending along a third direction and connected to the first crossbeam and the second crossbeam and extending into the receiving cavity, and the third connector not extending beyond the inner surface of the second crossbeam along the third direction.

[0031] In these alternative embodiments, the configuration, which connects the first crossbeam of the capacity compartment to the second crossbeam of the forward compartment via a third connector, more effectively resists the impact force in a head-on collision, thus improving collision performance. Furthermore, since the third connector does not extend beyond the inner surface of the second crossbeam 12 in a third direction, it reduces intrusion into the battery cells, providing more space for their installation.

[0032] According to one embodiment of this application, the front cabin and the energy cabin are detachably connected.

[0033] In these alternative embodiments, the energy cabin and the front cabin are detachably connected, forming two independent modules. These two independent modules can be independently manufactured in different manufacturing processes and processing environments, which helps to reduce the manufacturing difficulty. Furthermore, the appropriate module type can be replaced as needed to improve adaptability and reduce R&D and maintenance costs.

[0034] Secondly, this application provides a vehicle including a chassis and an upper body as described above, the upper body being connected to the chassis.

[0035] According to one embodiment of this application, the upper body and the chassis are detachably connected.

[0036] In these alternative embodiments, the upper body and chassis are detachably connected, enabling the separation, decoupling, and connection of the upper body and chassis. This allows for independent development of the upper body and chassis, enabling them to be replaced as needed, shortening the development cycle, and reducing costs.

[0037] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0038] The features, advantages, and technical effects of exemplary embodiments of this application will now be described with reference to the accompanying drawings.

[0039] Figure 1 is a schematic diagram of the chassis structure provided in an embodiment of this application;

[0040] Figure 2 is a partial structural schematic diagram of the torsion box of the chassis provided in an embodiment of this application;

[0041] Figure 3 is an enlarged view of point a in Figure 1;

[0042] Figure 4 is a structural schematic diagram of the chassis provided in one embodiment of this application from another angle;

[0043] Figure 5 is an enlarged view of point b in Figure 4;

[0044] Figure 6 is a partial cross-sectional view of a chassis provided in an embodiment of this application;

[0045] Figure 7 is a schematic diagram of the connection between the first crossbeam and the second crossbeam of the chassis provided in an embodiment of this application.

[0046] The accompanying drawings may not be drawn to scale.

[0047] Explanation of reference numerals in the attached figures:

[0048] 1. Chassis;

[0049] 10. Front compartment; 11. Torque box; 111. First connecting part; 1111. Recess; 112. Second connecting part; 1121. Connecting body; 1122. Protrusion; 113. First mounting hole; 114. Reinforcing part; 12. Second crossbeam; 121. Receiving cavity;

[0050] 20. Energy compartment; 21. Frame; 211. Threshold beam; 2111. Cavity; 2112. Wall; 2113. Reinforcing rib; 212. First crossbeam; 22. Battery cell;

[0051] 30. Plug; 31. Body; 32. Projection;

[0052] 40. First connecting component;

[0053] 50. Second connector;

[0054] 60. Second mounting hole;

[0055] 70. Third connector;

[0056] x, first direction; y, second direction; z, third direction. Detailed Implementation

[0057] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0058] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the description, claims, and accompanying drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy.

[0059] In this application, the reference to "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments.

[0060] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "attachment" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0061] In this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, in this application, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0062] In the embodiments of this application, the same reference numerals denote the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width, and other dimensions of various components in the embodiments of this application shown in the accompanying drawings, as well as the overall thickness, length, width, and other dimensions of the integrated device, are merely illustrative and should not constitute any limitation on this application.

[0063] In this application, "multiple" means two or more (including two).

[0064] Currently, judging from market trends, the application of batteries is becoming increasingly widespread. Batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power, and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace, among other fields.

[0065] A vehicle chassis typically includes a front compartment and an energy compartment, which are connected. There are various ways to connect the front compartment and the energy compartment. In related technologies, the torsion box in the front compartment is connected to the sill beam of the energy compartment, and both work together to provide support and bear torque. However, in the aforementioned connection method, the torsion box occupies a large amount of space around the sill beam, affecting the space utilization of the energy compartment, hindering the arrangement of battery cells, limiting the vehicle's driving range, and also affecting the heat dissipation of the battery cells, thus reducing the reliability of the chassis. The above statements are only used to provide background information related to this application and do not necessarily constitute prior art.

[0066] The chassis provided in this application has a plug at least partially housed within the cavity of the sill beam. The torsion box includes a first connecting part and a second connecting part. The first connecting part is located on one side of the sill beam along a first direction and connected to the plug, while the second connecting part is located on one side of the sill beam along a third direction and connected to the plug. The connection between the second connecting part and the plug achieves a fixed connection between the sill beam and the torsion box in the third direction. The connection between the first connecting part and the plug achieves a fixed connection between the sill beam and the torsion box in the first direction, reducing the space occupied by the connection between the sill beam and the torsion box in the second direction. This provides a larger electrical distribution space for individual battery cells within a limited space, thereby improving the chassis's space utilization. Furthermore, the plug achieves a connection between the sill beam and the torsion box in two directions and can disperse the stress at the connection between the sill beam and the torsion box, reducing stress concentration and lowering the probability of deformation when the sill beam and the torsion box are subjected to external impact. The plug, at least partially housed within the cavity, provides support for the sill beam, improving the connection strength between the sill beam and the torsion box, thereby enhancing the overall structural strength of the chassis.

[0067] Referring to Figures 1 to 3, Figure 1 is a structural schematic diagram of a chassis provided in an embodiment of this application; Figure 2 is a partial structural schematic diagram of the torsion box of a chassis provided in an embodiment of this application; Figure 3 is an enlarged schematic diagram of point a in Figure 1.

[0068] As shown in Figures 1 to 3, this application proposes a chassis 1, which includes an energy compartment 20, a plug block 30, and a front compartment 10. The energy compartment 20 includes a frame 21 and battery cells 22. The battery cells 22 are housed within the frame 21. The frame 21 includes a sill beam 211 extending along a first direction x. The battery cells 22 are disposed on one side of the sill beam 211 along a second direction y. The sill beam 211 has a cavity 2111. The plug block 30 is at least partially housed within the cavity 2111. The front compartment 10 is connected to the frame 21 and includes a torque box 11. The torque box 11 includes a first connecting portion 111 and a second connecting portion 112. The first connecting portion 111 is disposed on one side of the sill beam 211 along the first direction x and connected to the plug block 30. The second connecting portion 112 is disposed on one side of the sill beam 211 along a third direction z and connected to the plug block 30. The first direction x, the second direction y, and the third direction z are all perpendicular to each other.

[0069] In some examples, the interior of the frame 21 may form a receiving space, in which the battery cell 22 is disposed.

[0070] In some examples, the energy chamber 20 includes multiple battery cells 22. Each battery cell 22 can be the smallest unit capable of independent charging and discharging. The battery cell 22 can include lithium-ion rechargeable battery cells, lithium-sulfur battery cells, sodium-lithium-ion battery cells, sodium-ion battery cells, or magnesium-ion battery cells, etc. The battery cell 22 can be a cylindrical battery cell, a cuboid battery cell, or a pouch battery cell.

[0071] The sill beam 211 is the side beam of the frame 21 in the width direction, that is, the width direction is parallel to the second direction y. The sill beam 211 extends along the length direction of the vehicle, that is, the length direction is parallel to the first direction x.

[0072] In some examples, there may be a single sill beam 211, which is located on one side of the battery cell 22 along the second direction y.

[0073] In other examples, there may be two threshold beams 211, with the two threshold beams 211 respectively located on both sides of the battery cell 22 along the second direction y.

[0074] The sill beam 211 has a cavity 2111. Optionally, the sill beam 211 can be formed by machining a profile after removing a portion of the material. The cavity 2111 is formed in the area where the material has been removed from the profile.

[0075] In some examples, the threshold beam 211 has an opening at at least one end along the first direction x, the opening communicating with the cavity 2111, and the plug 30 is accommodated in the cavity 2111 through at least a portion of the opening.

[0076] The threshold beam 211 is connected to the torque box 11 via the plug 30.

[0077] Torque box 11 is an important component used to transmit and bear torque.

[0078] The torque box 11 includes a first connecting part 111, which is disposed on one side of the sill beam 211 along the first direction x and connected to the plug 30 to realize the connection between the first connecting part 111 and the plug 30 in the first direction x.

[0079] The torque box 11 includes a second connecting part 112, which is disposed on one side of the sill beam 211 along the third direction z and connected to the plug block 30, so as to realize the connection of the second connecting part 112, the sill beam 211 and the plug block 30 in the third direction z.

[0080] For example, the torque box 11 may include a box body, a first connecting part 111 and a second connecting part 112, wherein the box body and the first connecting part 111 and the second connecting part 112 may be an integrally formed structure, or the box body and the first connecting part 111 and the second connecting part 112 may be a separate structure connected by bolts or other connectors.

[0081] In some examples, the first connecting part 111 can be connected to the plug 30 in various ways, such as by screw connection, riveting, welding, snap-fit ​​or other suitable means.

[0082] In some examples, the second connecting part 112, the sill beam 211 and the plug 30 can be connected in various ways. For example, the plug 30 can be connected to the second connecting part 112 and the sill beam 211 by screws, riveting, welding, snap-fitting or other suitable means.

[0083] In some examples, there can be two torque boxes 11, which are arranged opposite each other in the second direction y of the chassis 1, and the two torque boxes 11 can be connected one-to-one with the two door sill beams 211.

[0084] When the sill beam 211 and the torsion box 11 are connected in the second direction y, it easily encroaches on the space in the first direction x, which is detrimental to the arrangement of the battery cells 22, i.e., it encroaches on the arrangement space of the battery cells 22. In addition, the connection in the second direction y places strict requirements on the dimensions of the front compartment 10 and the energy compartment 20, resulting in a low product qualification rate. Moreover, the high requirements on the dimensions of the energy compartment 20 in the second direction y translates to high requirements on the torsion of the sill beam 211, and also require machining of the matching end face of the sill beam 211. However, after machining, the sill beam 211 is thinner, thereby reducing the collision performance of the sill beam 211. Therefore, by connecting the first connecting part 111 and the second connecting part 112 of the torsion box 11 to the plug 30, the torsion box 11 and the sill beam 211 are connected in the first direction x and the third direction z, reducing the encroachment on the space in the second direction y and providing more arrangement space for the battery cells 22.

[0085] The chassis 1 provided in this application has a plug 30 that is at least partially accommodated within the cavity 2111 of the sill beam 211. The torque box 11 includes a first connecting part 111 and a second connecting part 112. The first connecting part 111 is disposed on one side of the sill beam 211 along the first direction x and connected to the plug 30. The second connecting part 112 is disposed on one side of the sill beam 211 along the third direction z and connected to the plug 30. The connection between the second connecting part 112 and the plug 30 achieves the connection and fixation of the sill beam 211 and the torque box 11 in the third direction z. The connection between the first connecting part 111 and the plug 30 achieves the connection and fixation of the sill beam 211 and the torque box 11 in the first direction x, reducing the space occupied by the connection between the sill beam 211 and the torque box 11 in the second direction y. Thus, within a limited space, a larger power distribution space is provided for the battery cell 22, thereby improving the space utilization rate of the chassis 1. Furthermore, the plug 30 connects the sill beam 211 and the torsion box 11 in two directions, and can disperse the stress at the connection between the sill beam 211 and the torsion box 11, reducing stress concentration and lowering the probability of deformation when the sill beam 211 and the torsion box 11 are subjected to external impact. The plug 30 is at least partially accommodated in the cavity 2111, providing support for the sill beam 211, improving the connection strength between the sill beam 211 and the torsion box 11, thereby improving the overall structural strength of the chassis 1.

[0086] According to one embodiment of this application, as shown in Figures 1 and 3, the plug 30 includes a body portion 31 and a protrusion 32. The protrusion 32 protrudes along a first direction x from the side of the body portion 31 facing the first connecting portion 111. The protrusion 32 is located between the first connecting portion 111 and the sill beam 211. The protrusion 32 is connected to the first connecting portion 111. The body portion 31 is accommodated in the cavity 2111 and is connected to the second connecting portion 112.

[0087] The plug 30 includes a body portion 31 and a protrusion 32. The protrusion 32 protrudes along a first direction x from the side of the body portion 31 facing the first connecting portion 111, and is located between the first connecting portion 111 and the sill beam 211. It can be understood that the first connecting portion 111 and the sill beam 211 are spaced apart along the first direction x, and the protrusion 32 fills the gap between the first connecting portion 111 and the sill beam 211.

[0088] For example, the body portion 31 has a first surface and a second surface facing each other in the first direction x, the second surface faces the first connecting portion 111, the protrusion 1122 is connected to the second surface and protrudes from the second surface, and the protrusion 1122 is connected to the first connecting portion 111.

[0089] Optionally, in the first direction x, the orthographic projection of the protrusion 32 is smaller than the orthographic projection of the main body.

[0090] In some examples, the body portion 31 and the protrusion 32 can be an integral structure; alternatively, the body portion 31 and the protrusion 32 can be separate structures.

[0091] Specifically, the plug 30, having a body portion 31 and a protrusion portion 32, is formed by manufacturing a substrate. The substrate can be manufactured by casting or extrusion molding.

[0092] The main body is located inside the cavity 2111 of the sill beam 211, and the main body 31 is connected to the second connecting part 112, so that the second connecting part 112 and the sill beam 211 can be connected through the main body.

[0093] In these alternative embodiments, the protrusion 32 is connected to the first connecting portion 111 and the body portion 31 is connected to the second connecting portion 112, which can disperse the stress of the plug 30 and the torsion box 11, thereby reducing stress concentration and reducing the probability of deformation of the sill beam 211 and the torsion box 11 when subjected to external impact.

[0094] According to one embodiment of this application, as shown in Figures 1 and 3, the chassis 1 further includes a first connector 40, which extends along a first direction x and connects to the protrusion 32 and the first connecting portion 111.

[0095] In some examples, chassis 1 includes a first connector 40; alternatively, chassis 1 includes a plurality of first connectors 40, which are spaced apart along a second direction y or along a third direction z.

[0096] In some examples, the first connector 40 includes a first connector and a second connector disposed along a first direction x, the first connector and the second connector being connected, the first connector being connected to a first connector 111, and the second connector being connected to a protrusion 32.

[0097] In some examples, the first connector 40 includes one or more of the following: screw, stud, spline, and snap fastener.

[0098] In these alternative embodiments, the first connector 40 facilitates the connection between the plug 30 and the torque box 11 in the first direction x, and also indirectly facilitates the connection between the sill beam 211 and the torque box 11 in the first direction x.

[0099] According to one embodiment of this application, the first connector 40 is also connected to the body portion 31.

[0100] For example, the first connector 40 includes a first connector, a second connector and a third connector arranged sequentially along the first direction x. The second connector is connected to the first connector and the third connector. The first connector is connected to the first connector 111. The second connector is connected to the protrusion 32. The third connector is connected to the main body.

[0101] In these alternative embodiments, the arrangement of extending the span of the first connector 40 in the first direction x can improve the connection strength between the plug 30 and the torsion box 11, and can also effectively disperse and transfer stress to improve the overall structural stability.

[0102] According to one embodiment of this application, as shown in Figures 1 to 3, the first connecting portion 111 is provided with a first mounting hole 113 along a first direction x. The first connecting member 40 passes through the first mounting hole 113 and is fixed to the protrusion 32.

[0103] In some embodiments, the first connecting portion 111 is provided with a first mounting hole 113. Specifically, the first mounting hole 113 is a through hole that extends along the first direction x. Correspondingly, the protrusion 32 is provided with a connecting hole, through which the first connector 40 passes through the first mounting hole 113 and extends into the connecting hole to connect the first connecting portion 111 and the protrusion 32.

[0104] For example, the first mounting hole 113 and the first connector 40 are threaded together.

[0105] In these alternative embodiments, the first connecting part 111 and the plug 30 are connected by the first mounting hole 113 and the first connector 40, which facilitates the installation and disassembly of the plug 30 and the torque box 11 and simplifies the installation method of the plug 30 and the torque box 11.

[0106] According to one embodiment of this application, as shown in Figures 2 and 3, the first connecting portion 111 has an inwardly recessed portion 1111 on the surface of the first connecting portion 111 away from the sill beam 211 along the first direction x, and the first mounting hole 113 is disposed in the recessed portion 1111.

[0107] Optionally, the first connecting portion 111 has an inwardly recessed portion 1111 on the surface opposite to the sill beam 211 along the first direction x, and the first mounting hole 113 is provided in the recessed portion 1111. In the first direction x, the first connecting member 40 does not extend beyond the first connecting portion 111.

[0108] In these alternative embodiments, the first mounting hole 113 is provided in the recess 1111, such that a portion of the first connecting portion 111 is embedded in the recess 1111, thereby further reducing the space occupied by the first connecting member 40 in the chassis 1.

[0109] According to one embodiment of this application, as shown in Figures 2 and 3, the torque box 11 further includes a reinforcing part 114, which is disposed in the recess 1111 and connected to the edge of the first mounting hole 113.

[0110] In some embodiments, the cross-section of the recess 1111 is a rectangular, circular, triangular, or other shaped recessed structure.

[0111] In some embodiments, the torque box 11 includes a reinforcing part 114, which is disposed in the recess 1111 and connected to the edge of the first mounting hole 113.

[0112] Optionally, at least a portion of the reinforcing part 114 extends along the second direction y; or, at least a portion of the reinforcing part 114 extends along the third direction z.

[0113] In some embodiments, the torque box 11 includes a plurality of reinforcing portions 114, which are disposed in the recess 1111 and connected to the edge of the first mounting hole 113. The plurality of reinforcing portions 114 are spaced apart or intersecting.

[0114] In these alternative embodiments, the reinforcement 114 is used to enhance the structural strength of the first connector 40.

[0115] Referring to Figures 4 and 5, Figure 4 is a structural schematic diagram of the chassis provided in one embodiment of this application from another angle, and Figure 5 is an enlarged schematic diagram of point b in Figure 4.

[0116] According to one embodiment of this application, as shown in Figures 1, 4 and 5, the chassis 1 further includes a second connector 50, which extends along a third direction z and connects to the body portion 31, the sill beam 211 and the second connector 112.

[0117] In some embodiments, the chassis 1 includes a first connector 40 and a second connector 50, wherein when the first connector 40 is connected to the main body, the first connector 40 and the second connector 50 are misaligned.

[0118] In some examples, chassis 1 includes a first connector 40; alternatively, chassis 1 includes a plurality of first connectors 40, which are spaced apart along a second direction y or along a third direction z.

[0119] In some examples, the first connector 40 includes a first connector and a second connector disposed along a first direction x, the first connector and the second connector being connected, the first connector being connected to a first connector 111, and the second connector being connected to a protrusion 32.

[0120] In some examples, the first connector 40 includes one or more of the following: screw, stud, spline, and snap fastener.

[0121] In these alternative embodiments, the first connector 40 facilitates the connection between the plug 30 and the torque box 11 in the first direction x, and also indirectly facilitates the connection between the sill beam 211 and the torque box 11 in the first direction x.

[0122] According to one embodiment of this application, as shown in Figures 1 and 4, the chassis 1 is provided with a second mounting hole 60 and a second connector 50. The second mounting hole 60 passes through the body part 31, the sill beam 211 and the second connector 112 along the third direction z. The second connector 50 passes through the second mounting hole 60 and is connected to the body part 31, the sill beam 211 and the second connector 112.

[0123] In some embodiments, the body portion 31 has a through first hole along a third direction z, the sill beam 211 has a through second hole along a third direction z, and the second connecting portion 112 has a third hole along a third direction z. The first hole, the second hole, and the third hole are connected to form a second mounting hole 60. Two connecting members pass through the second mounting hole 60 and are connected to the body portion 31, the sill beam 211, and the second connecting portion 112.

[0124] For example, the second mounting hole 60 and the second connector 50 are threaded together.

[0125] Optionally, the chassis 1 is provided with a plurality of second mounting holes 60 and a plurality of second connectors 50. The plurality of second mounting holes 60 are spaced apart along the length direction, and the plurality of second mounting holes 60 and the plurality of second connectors 50 are provided in a one-to-one correspondence.

[0126] In these optional embodiments, the second mounting hole 60 and the second connector 50 are used to connect the second connecting part 112, the sill beam 211, and the plug 30, facilitating the installation and disassembly of the plug 30, the sill beam 211, and the torque box 11, and simplifying the installation method of the plug 30, the sill beam 211, and the torque box 11. Furthermore, the processing of the sill beam 211 is simplified, improving the product yield.

[0127] According to one embodiment of this application, as shown in FIG2, the second connecting part 112 includes a connecting body 1121 and a protrusion 1122. The connecting body 1121 is disposed on one side of the sill beam 211 along the third direction z. The protrusion 1122 protrudes from the side of the second connecting part 112 away from the sill beam 211. The second connecting member 50 passes through the second connecting part 112 and connects to the protrusion 1122.

[0128] For example, the second connecting part 112 includes a connecting body 1121 and a protrusion 1122. The connecting body 1121 is disposed on one side of the sill beam 211 along the third direction z. The connecting body 1121 fits against a part of the sill beam 211. The connecting body 1121 is connected to the first connecting part 111. The second mounting hole 60 passes through the connecting body 1121 and extends to the protrusion 1122. The second connector 50 passes through the second mounting hole 60 and is fixed to the protrusion 1122.

[0129] For example, the second connecting part 112 includes a connecting body 1121 and three protrusions 1122. The three protrusions 1122 are spaced apart along the first direction x. The connecting body 1121 is disposed on one side of the sill beam 211 along the third direction z. The protrusions 1122 protrude from the side of the second connecting part 112 away from the sill beam 211. The chassis 1 includes three second connecting members 50, and the three second connecting members 50 are disposed in a one-to-one correspondence with the three protrusions 1122.

[0130] In these alternative embodiments, the protrusion 1122 increases the connection area between the second connector 50 and the second connecting portion 112, improving the stability of the plug 30, the sill beam 211, and the torsion box 11. Furthermore, while maintaining connection stability, it reduces the space occupied by the second connecting portion 112.

[0131] Referring to Figure 6, which is a partial cross-sectional view of a chassis provided in an embodiment of this application.

[0132] According to one embodiment of this application, as shown in Figures 1, 3, and 6, the sill beam 211 includes a wall 2112 and a reinforcing rib 2113. The reinforcing rib 2113 is disposed within and connected to the wall 2112, and the wall 2112 and the reinforcing rib 2113 form a cavity 2111. The plug 30 and the reinforcing rib 2113 are spaced apart along a first direction x.

[0133] According to the design requirements, there is a certain gap between the first connecting part 111 of the torque box 11 and the sill beam 211. During the assembly of the chassis 1, the plug 30 is first assembled with the energy chamber 20. The plug 30 is installed in the cavity 2111. The plug 30 includes a body part 31 and a protrusion 32, that is, both the body part 31 and the protrusion 32 are in the cavity 2111. At this time, the gap between the plug 30 and the reinforcing rib 2113 can be 0. Next, assemble the front cabin 10 and the energy cabin 20, with the front cabin 10 positioned on one side of the energy cabin 20 along the first direction x. At this point, there is a gap between the first connecting part 111 and the plug 30. Move the plug 30 along the first direction x and connect the first connecting part 111 to the protrusion 1122. The protrusion 32 fills the gap between the first connecting part 111 and the sill beam 211. The gap between the first connecting part 111 and the plug 30 is zero. There is a gap between the plug 30 and the reinforcing rib 2113. Then, connect the second connecting part 112 to the main body 31. With this arrangement, when the front cabin 10 is positioned on one side of the energy cabin 20 along the first direction x, the interference of the plug 30 on the installation position of the front cabin 10 is reduced.

[0134] The reinforcing rib 2113 is a component used to enhance the structural strength of the sill beam 211.

[0135] Optionally, there may be multiple reinforcing ribs 2113, which are disposed within the wall 2112. The multiple reinforcing ribs 2113 are spaced apart, or alternatively, the multiple reinforcing ribs 2113 are intersecting.

[0136] In some examples, the plug 30 and the reinforcing rib 2113 are spaced apart along the first direction x, and the spacing is greater than the size of the protrusion 1122 along the first direction x.

[0137] In some examples, the plug 30 is detachably connected to the first connecting part 111. The plug 30 is detachably connected to the second connecting part 112.

[0138] In these optional embodiments, the plug 30 and the reinforcing rib 2113 are spaced apart along the first direction x. Before the plug 30 is fixed to the torque box 11, the plug 30 can provide a certain clearance space for the installation of the energy cabin 20, so as to reduce the interference of the plug 30 on the installation position of the front cabin 10.

[0139] According to one embodiment of this application, in the first direction x, the size of the protrusion 32 is less than or equal to the distance between the plug 30 and the reinforcing rib 2113.

[0140] Optionally, in the first direction x, the size of the protrusion 32 is equal to the distance between the plug 30 and the reinforcing rib 2113.

[0141] In these alternative embodiments, this arrangement makes good use of the space inside the sill beam 211.

[0142] Referring to Figure 7, which is a structural schematic diagram of the connection between the first crossbeam and the second crossbeam of the chassis provided in an embodiment of this application.

[0143] According to one embodiment of this application, as shown in Figures 4 and 7, the frame 21 further includes a first crossbeam 212, which is disposed on the side of the battery cell 22 facing the torque box 11 along a first direction x, and is connected to the sill beam 211. The front compartment 10 also includes a second crossbeam 12, which is located on the side of the first crossbeam 212 along a third direction z, and has a receiving cavity 121. The chassis 1 further includes a third connector 70, which extends along a third direction z and connects to the first crossbeam 212 and the second crossbeam 12, extending into the receiving cavity 121, and the third connector 70 does not extend beyond the inner surface of the second crossbeam 12 along the third direction z.

[0144] The first crossbeam 212 is disposed on the side of the battery cell 22 facing the torque box 11 along the first direction x, and the first crossbeam 212 extends along the second direction y.

[0145] In some embodiments, the frame 21 includes two first crossbeams 212 and two threshold beams 211. The two first crossbeams 212 are spaced apart along a first direction x, and the two threshold beams 211 are spaced apart along a second direction y. The two ends of each first crossbeam 212 are respectively connected to the two threshold beams 211. The two first crossbeams 212 and the two threshold beams 211 enclose and form the frame 21.

[0146] In some embodiments, the front compartment 10 includes two torque boxes 11 and a second crossbeam 12. The two torque boxes 11 are spaced apart along a second direction y, and the second crossbeam 12 is located between the two torque boxes 11 and connected to the two torque boxes 11.

[0147] In some embodiments, the third connector 70 is detachably connected to the first crossbeam 212 and the second crossbeam 12.

[0148] For example, the first crossbeam 212 is provided with a third mounting hole along the third direction z, and the third connector 70 passes through the third mounting hole and is fixed to the second crossbeam 12.

[0149] In these alternative embodiments, the arrangement of connecting the first crossbeam 212 of the energy compartment 20 to the second crossbeam 12 of the front compartment 10 via the third connector 70 can more effectively resist the impact force in a head-on collision, thus improving collision performance. Furthermore, since the third connector 70 does not extend beyond the inner surface of the second crossbeam 12 along the third direction z, it reduces the intrusion into the battery cells 22, providing more space for the battery cells 22 to be installed.

[0150] According to one embodiment of this application, the front cabin 10 and the energy cabin 20 are detachably connected.

[0151] In some embodiments, the energy compartment 20 and the front compartment 10 may be detachably connected by screws, snap-fits or other suitable means.

[0152] Optionally, the front compartment 10 and the energy compartment 20 are detachably connected by fasteners such as screws, which provides a stronger connection and helps improve the stability and reliability of the chassis 1.

[0153] Optionally, the front cabin 10300 can be connected to the sill beam 211 of the energy cabin 20 to improve connection convenience and reliability.

[0154] In these alternative embodiments, the energy chamber 20 and the front chamber 10 are detachably connected, and the energy chamber 20 and the front chamber 10 can form two independent modules. The two independent modules can be independently prepared in different preparation processes and processing environments, which helps to reduce the difficulty of preparation. Furthermore, the appropriate module type can be replaced according to the needs, improving adaptability and reducing R&D and maintenance costs.

[0155] According to one embodiment of this application, the chassis 1 further includes a rear compartment, with the front compartment 10 and the rear compartment disposed on both sides of the energy compartment 20 along a first direction x. The rear compartment is connected to the frame 21 and also includes a torque box 11. The torque box 11 includes a third connecting part and a fourth connecting part. The third connecting part is disposed on one side of the sill beam 211 along the first direction x and connected to the plug block 30. The second connecting part 112 is disposed on one side of the sill beam 211 along a third direction z and connected to the plug block 30.

[0156] Optionally, the aft cabin can be detachably connected to the energy cabin 20.

[0157] Secondly, this application provides a vehicle including a chassis and an upper body as described above, the upper body being connected to the chassis.

[0158] This application does not limit the connection method between the upper body and the chassis. For example, the two can be connected by welding or a detachable connection method.

[0159] According to one embodiment of this application, in some embodiments, the upper body and the chassis are detachably connected.

[0160] For example, the upper body and chassis are detachably connected by connectors. This application does not limit the type of connector.

[0161] In some examples, the connector may include at least one of bolts, nuts, studs, screws, and pins.

[0162] In other examples, the connector may also include a snap-fit.

[0163] In these alternative embodiments, the upper body and chassis are detachably connected, enabling the separation, decoupling, and connection of the upper body and chassis. This allows for independent development of the upper body and chassis, enabling them to be replaced as needed, shortening the development cycle, and reducing costs.

[0164] Referring to Figures 1 to 7, an embodiment of this application provides a vehicle chassis 1, which includes an energy compartment 20, a plug block 30, a front compartment 10, a first connector 40, and a second connector 50. The first connector 40 extends along a first direction x. The second connector 50 extends along a third direction z. The third connector 50 extends along a third direction z.

[0165] The energy compartment 20 includes a frame 21 and battery cells 22. The battery cells 22 are housed within the frame 21. The frame 21 includes a sill beam 211 and a first crossbeam 212. The sill beam 211 extends along a first direction x. The battery cells 22 are disposed on one side of the sill beam 211 along a second direction y. The sill beam 211 has a cavity 2111. The sill beam 211 includes a wall 2112 and a reinforcing rib 2113. The reinforcing rib 2113 is disposed within and connected to the wall 2112, forming the cavity 2111. A plug 30 is spaced apart from the reinforcing rib 2113 along the first direction x. In the first direction x, the size of the protrusion 32 is less than or equal to the distance between the plug 30 and the reinforcing rib 2113. The first crossbeam 212 is disposed on the side of the battery cells 22 facing the torque box 11 along the first direction x, and is connected to the sill beam 211.

[0166] The plug 30 is at least partially received in the cavity 2111. The plug 30 includes a body portion 31 and a protrusion 32. The protrusion 32 protrudes along a first direction x from the side of the body portion 31 facing the first connecting portion 111. The protrusion 32 is located between the first connecting portion 111 and the sill beam 211. The protrusion 32 is connected to the first connecting portion 111. The body portion 31 is received in the cavity 2111 and is connected to the second connecting portion 112.

[0167] The front compartment 10 is connected to the frame 21. The front compartment 10 includes a torque box 11 and a second crossbeam 12. The torque box 11 includes a first connecting portion 111, a second connecting portion 112, and a reinforcing portion 114. The first connecting portion 111 is disposed on one side of the sill beam 211 along the first direction x and is connected to the plug 30. The first connecting portion 111 has a first mounting hole 113 along the first direction x. A first connector 40 passes through the first mounting hole 113 and is fixed to the protrusion 32. The surface of the first connecting portion 111 facing away from the sill beam 211 along the first direction x has an inwardly recessed portion 1111, and the first mounting hole 113 is disposed in the recess 1111. The reinforcing portion 114 is disposed in the recess 1111 and is connected to the edge of the first mounting hole 113. The second crossbeam 12 is located on one side of the first crossbeam 212 along the third direction z, and the second crossbeam 12 has a receiving cavity 121. The third connector 70 is connected to the first crossbeam 212 and the second crossbeam 12 and extends into the receiving cavity 121. The third connector 70 does not extend beyond the inner surface of the second crossbeam 12 along the third direction z. The second connecting part 112 is disposed on one side of the sill beam 211 along the third direction z and is connected to the plug 30. The chassis 1 is provided with a second mounting hole 60. The second mounting hole 60 passes through the body part 31, the sill beam 211 and the second connecting part 112 along the third direction z. The second connector 50 passes through the second mounting hole 60 and is connected to the body part 31, the sill beam 211 and the second connecting part 112. The second connecting part 112 includes a connecting body 1121 and a protrusion 1122. The connecting body 1121 is disposed on one side of the sill beam 211 along the third direction z. The protrusion 1122 protrudes from the side of the second connecting part 112 away from the sill beam 211. The second connector 50 passes through the second connecting part 112 and is connected to the protrusion 1122. The first direction x, the second direction y, and the third direction z are all perpendicular to each other.

[0168] Although this application has been described with reference to preferred embodiments, various modifications can be made thereto and components can be replaced with equivalents without departing from the scope of this application. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A chassis, characterized in that, include: An energy compartment includes a frame and battery cells housed within the frame. The frame includes a sill beam extending along a first direction. The battery cells are disposed on one side of the sill beam along a second direction, and the sill beam has a cavity. A plug is at least partially housed within the cavity. A front compartment is connected to the frame and includes a torque box. The torque box includes a first connecting portion and a second connecting portion. The first connecting portion is disposed on one side of the sill beam along the first direction and connected to the plug. The second connecting portion is disposed on one side of the sill beam along a third direction and connected to the plug. The first direction, the second direction, and the third direction are perpendicular to each other.

2. The chassis according to claim 1, characterized in that, The plug includes a body portion and a protrusion portion. The protrusion portion protrudes along the first direction from the side of the body portion facing the first connecting portion. The protrusion portion is located between the first connecting portion and the sill beam. The protrusion portion is connected to the first connecting portion. The body portion is accommodated in the cavity. The body portion is connected to the second connecting portion.

3. The chassis according to claim 2, characterized in that, The chassis also includes a first connector that extends along the first direction and connects to the protrusion and the first connecting portion.

4. The chassis according to claim 3, characterized in that, The first connector is also connected to the main body.

5. The chassis according to claim 3, characterized in that, The first connecting portion is provided with a first mounting hole along the first direction; the first connecting member passes through the first mounting hole and is fixed to the protrusion.

6. The chassis according to claim 5, characterized in that, The first connecting portion has an inwardly recessed portion on its surface away from the threshold beam along the first direction, and the first mounting hole is disposed in the recessed portion.

7. The chassis according to claim 6, characterized in that, The torque box also includes a reinforcing part, which is disposed in the recess and connected to the edge of the first mounting hole.

8. The chassis according to claim 2, characterized in that, The chassis also includes a second connector that extends along the third direction and connects to the body, the sill beam, and the second connector.

9. The chassis according to claim 8, characterized in that, The chassis is provided with a second mounting hole and a second connector. The second mounting hole passes through the body, the sill beam and the second connector in a third direction. The second connector passes through the second mounting hole and is connected to the body, the sill beam and the second connector.

10. The chassis according to claim 9, characterized in that, The second connecting part includes a connecting body and a protrusion. The connecting body is disposed on one side of the sill beam along the third direction. The protrusion protrudes from the second connecting part on the side opposite to the sill beam. The second connecting member passes through the second connecting part and connects to the protrusion.

11. The chassis according to claim 2, characterized in that, The threshold beam includes a wall and a reinforcing rib. The reinforcing rib is disposed in the wall and connected to the wall. The wall and the reinforcing rib form the cavity. The plug and the reinforcing rib are spaced apart along the first direction.

12. The chassis according to claim 11, characterized in that, In the first direction, the size of the protrusion is less than or equal to the distance between the plug and the reinforcing rib.

13. The chassis according to claim 11, characterized in that, The frame further includes a first crossbeam disposed on the side of the battery cell facing the torsion box along the first direction, and the first crossbeam is connected to the sill beam; the front compartment further includes a second crossbeam located on the side of the first crossbeam along the third direction, and the second crossbeam has a receiving cavity; the chassis further includes a third connector extending along the third direction and connecting the first crossbeam and the second crossbeam and extending into the receiving cavity, and the third connector not extending beyond the inner surface of the second crossbeam along the third direction.

14. The chassis according to claim 1, characterized in that, The front cabin and the energy cabin are detachably connected.

15. A vehicle, characterized in that, include: The chassis according to any one of claims 1 to 14; The upper body is connected to the chassis.

16. The vehicle according to claim 15, characterized in that, The upper body is detachably connected to the chassis.

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