Vehicle chassis and vehicle

Abstract

A vehicle chassis and a vehicle, relating to the technical field of vehicles. The vehicle chassis comprises: a front floor body; a front floor front cross member, mounted at the front end of the front floor body; a front floor inner longitudinal beam, mounted on the bottom surface of the front floor body, the front end of the front floor inner longitudinal beam being connected to the front floor front cross member; a central tunnel, mounted on the top surface of the front floor body, the front end of the central tunnel being connected to the front floor front cross member; an energy compartment, used for accommodating a battery, the battery being located below the front floor body and behind the front floor front cross member; and an energy-absorbing structure, the rear end of the energy-absorbing structure being connected to the front floor front cross member.

Description

Chassis of vehicle and vehicle TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a chassis of vehicle and vehicle. BACKGROUND

[0002] With the development of the automobile industry, vehicle safety has become an important consideration in vehicle design. When a vehicle is in a collision, how to effectively absorb and disperse the collision energy and reduce the harm to passengers is the key to vehicle safety design. The traditional chassis structure of the vehicle has limited effect on energy absorption and dispersion during the collision process. Therefore, how to design a high-strength and excellent anti-impact chassis structure is an important research direction in the current vehicle design field.

[0003] SUMMARY

[0004] The present application provides a chassis of vehicle and vehicle to increase the diversity of force transmission path, resist the invasion of front collision force, reduce the invasion amount of passenger compartment and battery energy compartment, effectively absorb and disperse collision energy, and solve the safety problem of drivers and passengers and batteries in collision accidents.

[0005] In a first aspect, the embodiments of the present application provide a chassis of vehicle, comprising:

[0006] a front floor body;

[0007] a front floor front cross beam, mounted at the front end of the front floor body;

[0008] a front floor inner longitudinal beam, mounted at the bottom surface of the front floor body, and connected at the front end to the front floor front cross beam;

[0009] a middle channel, mounted at the top surface of the front floor body, and connected at the front end to the front floor front cross beam;

[0010] an energy compartment for accommodating a battery, located below the front floor body and behind the front floor front cross beam;

[0011] an energy absorption structure, connected at the rear end to the front floor front cross beam.

[0012] In the above technical solution, through the above-mentioned structure design of the upper, middle and lower three-layer force transmission paths after the front floor front beam, in the high-speed collision process, the collision energy can be dispersed through the upper, middle and lower three-layer force transmission paths, the diversity of the force transmission path is increased, and the upper, middle and lower three-layer anti-collision structures of the front floor form a high-rigidity and impact-resistant structure in the longitudinal direction, resist the invasion of the front collision force, reduce the invasion amount of the passenger compartment and the energy compartment, and can effectively absorb and disperse the collision energy, so as to solve the safety problem of the driver and the battery in the collision accident.

[0013] In some embodiments, the chassis of the vehicle further comprises:

[0014] The first assembly member sequentially penetrates the middle channel, the front floor body and the front floor inner longitudinal beam in the vertical direction.

[0015] In the above technical solution, through the above-mentioned structure design of the upper, middle and lower three-layer force transmission paths after the front floor front beam, in the high-speed collision process, the collision energy can be dispersed through the upper, middle and lower three-layer force transmission paths, the diversity of the force transmission path is increased, and the upper, middle and lower three-layer anti-collision structures of the front floor form a high-rigidity and impact-resistant structure in the longitudinal direction, resist the invasion of the front collision force, reduce the invasion amount of the passenger compartment and the energy compartment, and can effectively absorb and disperse the collision energy, so as to solve the safety problem of the driver and the battery in the collision accident.

[0016] In some embodiments, the middle channel and the front floor body are connected to the upper wall surface of the front floor front beam, and the front floor inner longitudinal beam is connected to the rear wall surface of the front floor front beam.

[0017] In some embodiments, the chassis of the vehicle further comprises:

[0018] The front wall structure is connected between the energy-absorbing structure and the middle channel and is connected to the front floor front beam.

[0019] In some embodiments, the front wall structure comprises:

[0020] The front wall plate and the front wall beam, the energy-absorbing structure is connected to the front end of the front wall beam, the front wall plate is connected between the front wall beam and the front floor front beam and is connected to the front end of the middle channel.

[0021] In some embodiments, the energy-absorbing structure comprises:

[0022] The energy-absorbing member, the rear end of the energy-absorbing member is connected to the front floor front beam, and the front wall plate and the front wall beam are both located above the energy-absorbing member;

[0023] The first connecting member, the front end of the energy-absorbing member is connected to the front end of the front wall beam through the first connecting member.

[0024] In some embodiments, the first connecting member comprises a first segment, a second segment and a third segment connected in sequence, the first segment, the second segment and the third segment are arranged in sequence from top to bottom, the second segment is arranged in a bent manner relative to the first segment, the third segment is arranged in a bent manner relative to the second segment, the front wall transverse beam is connected with the first segment, and the energy-absorbing member is connected with the second segment and the third segment.

[0025] In some embodiments, the energy-absorbing structure further comprises:

[0026] A second connecting member connected between the first connecting member and the front wall panel.

[0027] In some embodiments, the second connecting member is located in a cavity formed by the first connecting member, the energy-absorbing member, the front wall panel and the front wall transverse beam.

[0028] In some embodiments, the chassis of the vehicle further comprises:

[0029] A seat transverse beam mounted on a top surface of the front floor body and located behind the front floor front transverse beam and connected with the middle channel.

[0030] In some embodiments, the seat transverse beam comprises:

[0031] A seat front transverse beam and a seat rear transverse beam distributed in a longitudinal direction, the middle channel is connected with the seat front transverse beam and the seat rear transverse beam in a longitudinal direction respectively, and a front end of the middle channel is located in front of the seat front transverse beam, and a rear end of the middle channel is connected with a front end of the seat rear transverse beam.

[0032] In some embodiments, the chassis of the vehicle further comprises:

[0033] A front floor rear transverse beam mounted on a bottom surface of the front floor body and arranged in a longitudinal direction separately from the front floor front transverse beam and located below the seat rear transverse beam, and the front floor inner longitudinal beam is connected with the front floor front transverse beam and the front floor rear transverse beam in a longitudinal direction respectively, and a rear end of the front floor inner longitudinal beam is located behind the front floor rear transverse beam.

[0034] In some embodiments, the chassis of the vehicle further comprises:

[0035] A second assembly member penetrating the seat rear transverse beam, the front floor body and the front floor rear transverse beam in a vertical direction in sequence.

[0036] In some embodiments, the chassis of the vehicle further comprises:

[0037] A third assembly is located behind the seat cross beam and vertically penetrates the front floor body and the front floor inner longitudinal beam.

[0038] In a second aspect, the embodiments of the present application provide a vehicle, comprising:

[0039] A chassis of any one of the above vehicles.

[0040] In the above technical solution, through the arrangement of the chassis of the vehicle, in the high-speed collision process, the collision energy can be dispersed through the upper, middle and lower three-layer force transmission paths, the diversity of the force transmission path is increased, the upper, middle and lower three-layer anti-collision structures of the front floor form a high-rigidity and crashworthiness structure in the longitudinal direction, resist the invasion of the front collision force, and reduce the invasion amount of the passenger cabin and the battery energy cabin, thereby improving the reliability of the passenger cabin and the energy cabin, and further improving the reliability of the vehicle. At the same time, through the optimization of the layout and connection mode of the components, the chassis structure of the vehicle is effectively strengthened, and the collision safety performance of the vehicle is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0042] Fig. 1 is a structural schematic view of a chassis of a vehicle according to some embodiments of the present application;

[0043] Fig. 2 is a structural schematic view of a chassis of a vehicle according to some embodiments of the present application;

[0044] Fig. 3 is a top view of a chassis of a vehicle according to some embodiments of the present application;

[0045] Fig. 4 is a bottom view of a chassis of a vehicle according to some embodiments of the present application;

[0046] Fig. 5 is a sectional view of A-A in Fig. 3;

[0047] Fig. 6 is an enlarged view of the structure at B in Fig. 5;

[0048] Fig. 7 is a partial structural schematic view of a chassis of a vehicle according to some embodiments of the present application;

[0049] Fig. 8 is a partial structural schematic view of a chassis of a vehicle according to some embodiments of the present application.

[0050] Reference signs:

[0051] Chassis 10;

[0052] front floor body 11, front floor front cross beam 12, front floor rear cross beam 13, front floor inner longitudinal beam 14;

[0053] middle channel 15, middle channel front section 151, middle channel rear section 152;

[0054] energy absorption structure 16, energy absorption member 161, first connecting member 162, first section 1621, second section 1622, third section 1623, second connecting member 163;

[0055] front wall structure 17, front wall 171, front wall cross beam 172;

[0056] seat cross beam 18, seat front cross beam 181, left front cross beam 1811, right front cross beam 1812, first joint 1813, second joint 1814, seat rear cross beam 182;

[0057] first assembly member 191, second assembly member 192, third assembly member 193. DETAILED DESCRIPTION

[0058] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0059] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as those commonly understood by one of ordinary skill in the art to which this application belongs; the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the specification and claims of the present application and the above description of drawings are used to distinguish different objects, rather than to describe a particular order or primary and secondary relationship.

[0060] In the present application, the phrase "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments.

[0061] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "attachment" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0062] The term "and / or" in the present application is only to describe the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in the present application generally represents that the front and rear associated objects have an "or" relationship.

[0063] The "multiple" appearing in the present application refers to two or more (including two), and similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces).

[0064] In recent years, with the rapid development of the automobile industry, the safety performance of vehicles has attracted more and more attention. As an important part of the vehicle, the design of the chassis structure directly affects the safety performance of the vehicle. When the traditional chassis structure is impacted, it often deforms or breaks, causing injury to the passengers.

[0065] The inventor finds that in order to improve the safety of the driver and passenger in a collision accident and improve the evaluation in the collision test, the common solution is to enhance the strength of the front longitudinal beam or set the reinforcing beam to set the front wall reinforcing structure of the automobile. However, this solution has some disadvantages in practical application, such as unreasonable layout of the front wall reinforcing structure of the chassis, unreasonable force transmission path, increase of the cost of the chassis material, and heavy weight of the chassis, and the effect is not obvious for the vehicle with large chassis size. In the related art, the front wall reinforcing structure of the automobile is arranged on the front wall plate and the front floor, the front floor is provided with a front seat transverse beam, the front wall reinforcing structure at least comprises a reinforcing assembly, the reinforcing assembly comprises a first floor reinforcing longitudinal beam and a front wall reinforcing piece, and the two are connected in a T shape, wherein the first floor reinforcing longitudinal beam is arranged along the length direction of the chassis and is connected with the front seat transverse beam perpendicularly, the first floor reinforcing longitudinal beam is partially attached to the front wall plate and partially attached to the front floor, and the front wall reinforcing piece is attached to the front wall plate and connected with the A pillar at one end. In the process of offset collision, the front wall reinforcing structure of the automobile can improve the structural strength and has a certain effect on protecting the safety of the passenger cabin, but the front wall reinforcing structure of the automobile only strengthens the front seat transverse beam and the middle channel on the side, and only prolongs the stroke of the original force transmission path in the aspect of force transmission, trying to use the multiple bending angles of the T-shaped structure to achieve the purpose of decomposing the collision force. However, the force transmission path is single, and the anti-collision effect of the modified structure cannot reach the expected effect.

[0066] Based on the above consideration, in order to solve the problem of single and unreasonable force transmission path of the chassis of the vehicle in the process of high-speed collision, the inventor designs a chassis of a vehicle after deep research, which comprises a front floor body, a front floor front transverse beam, a front floor inner longitudinal beam, a middle channel, an energy cabin and an energy absorption structure. The front floor front transverse beam is installed at the front end of the front floor body; the front floor inner longitudinal beam is installed at the bottom surface of the front floor body and connected with the front floor front transverse beam at the front end; the middle channel is installed at the top surface of the front floor body and connected with the front floor front transverse beam at the front end; the energy cabin is used for accommodating a battery, the battery is located below the front floor body and behind the front floor front transverse beam; and the rear end of the energy absorption structure is connected with the front floor front transverse beam.

[0067] In the chassis of the vehicle with the above structure, the front end of the energy absorption structure is connected with the front floor front transverse beam, and the rear end of the front floor front transverse beam is connected with the middle channel, the front floor body and the front floor inner longitudinal beam. In the process of high-speed collision, the energy absorption structure is fully crushed to absorb energy, and at the same time, the collision energy is transmitted backward, and then dispersed through the upper, middle and lower three-layer force transmission paths after the lateral support of the front floor front transverse beam, thereby increasing the diversity of the force transmission path. At the same time, the upper, middle and lower three-layer structures of the front floor form a high-rigidity and crash-resistant structure along the longitudinal direction, resist the invasion of the front collision force, reduce the invasion amount of the passenger cabin and the energy cabin, thereby improving the reliability of the passenger cabin and the energy cabin, and further improving the reliability of the vehicle.

[0068] The vehicle provided in the present application can be a new energy vehicle, which can be a pure electric vehicle, a hybrid vehicle or a range extended vehicle, etc. The vehicle can be provided with a motor, a controller and a battery, and the controller is used to control the power supply of the battery to the motor. For example, the battery can be arranged at the bottom of the chassis of the vehicle. The battery can be used for power supply of the vehicle, for example, the battery can be used as an operating power source of the vehicle, which is used for the circuit system of the vehicle, for example, for the power demand of the vehicle during starting, navigation and operation. In another embodiment of the present application, the battery can not only be used as an operating power source of the vehicle, but also be used as a driving power source of the vehicle, which can replace or partially replace fuel or natural gas to provide driving power for the vehicle.

[0069] As shown in FIG. 1, the longitudinal direction of the present application is the length direction of the vehicle, i.e. the front-rear direction in the figure; the transverse direction of the present application is the width direction of the vehicle, i.e. the left-right direction in the figure; and the vertical direction of the present application is the height direction of the vehicle, i.e. the up-down direction in the figure.

[0070] According to some embodiments of the present application, as shown in FIGS. 1-5, the present application provides a chassis 10 of a vehicle, which comprises a front floor body 11, a front floor front cross beam 12, a front floor inner longitudinal beam 14, a middle channel 15, an energy cabin and an energy absorption structure 16. The front floor front cross beam 12 is mounted at the front end of the front floor body 11; the front floor inner longitudinal beam 14 is mounted at the bottom surface of the front floor body 11, and the front end of the front floor inner longitudinal beam 14 is connected to the front floor front cross beam 12; the middle channel 15 is mounted at the top surface of the front floor body 11, and the front end of the middle channel 15 is connected to the front floor front cross beam 12; the energy cabin is used to accommodate a battery, and the battery is located below the front floor body 11 and behind the front floor front cross beam 12; and the rear end of the energy absorption structure 16 is connected to the front floor front cross beam 12.

[0071] The battery can be a battery monomer, a battery module composed of a plurality of battery monomers, or a battery pack composed of a plurality of battery monomers or a plurality of battery modules.

[0072] The front floor body 11 can be used as a basic part of the chassis 10 of the vehicle to provide a mounting platform for other components; the front floor front cross beam 12 can be used to enhance the structural strength of the front part of the chassis 10 of the vehicle; the front floor inner longitudinal beam 14 can be used to improve the longitudinal rigidity and impact resistance of the chassis 10 of the vehicle; the middle channel 15 can be used to enhance the overall rigidity and stability of the chassis 10 of the vehicle; and the energy absorption structure 16 can be used to absorb and disperse collision energy.

[0073] The connection mode between the energy absorption structure 16 and the front floor front cross beam 12 can include but is not limited to threaded connection, welding or riveting, etc., which is not limited here.

[0074] For example, in some embodiments, the connection between the energy-absorbing structure 16 and the front floor front cross beam 12 is a threaded connection.

[0075] The connection between the front floor body 11 and the front floor front cross beam 12 can include, but is not limited to, a threaded connection, welding, or riveting, etc., which is not limited here.

[0076] For example, in some embodiments, the connection between the front floor body 11 and the front floor front cross beam 12 is a threaded connection.

[0077] The connection between the front floor inner longitudinal beam 14 and the front floor front cross beam 12 can include, but is not limited to, a threaded connection, welding, or riveting, etc., which is not limited here.

[0078] For example, in some embodiments, the connection between the front floor inner longitudinal beam 14 and the front floor front cross beam 12 is a threaded connection.

[0079] The connection between the middle channel 15 and the front floor front cross beam 12 can include, but is not limited to, a threaded connection, welding, or riveting, etc., which is not limited here.

[0080] For example, in some embodiments, the connection between the middle channel 15 and the front floor front cross beam 12 is a threaded connection.

[0081] In actual implementation, as shown in FIGS. 1-5, during the process of vehicle collision, the energy-absorbing structure 16 first absorbs the collision energy and collapses and deforms, extruding the front floor front cross beam 12 backward, thereby transmitting the collision energy to the front floor front cross beam 12, and then the chassis 10 of the vehicle can have the following three force transmission paths: first, the collision energy can be transmitted from the front floor front cross beam 12 to the middle channel 15 located in the upper layer in the longitudinal direction; second, the collision energy can also be transmitted from the front floor front cross beam 12 to the front floor body 11 located in the middle layer in the longitudinal direction; and third, the collision energy can also be transmitted from the front floor front cross beam 12 to the front floor inner longitudinal beam 14 located in the lower layer in the longitudinal direction.

[0082] The chassis 10 of the vehicle provided by the embodiments of the present application, through the above-mentioned structure design of arranging the upper, middle and lower three-layer force transmission paths behind the front floor front cross beam 12, in the process of high-speed collision, the collision energy can be dispersed through the upper, middle and lower three-layer force transmission paths, increasing the diversity of the force transmission paths, and at the same time, the upper, middle and lower three-layer anti-collision structures of the front floor form a high-rigidity and crashworthiness structure in the longitudinal direction, resisting the invasion of the front collision force, reducing the invasion amount of the passenger compartment and the energy compartment, which can effectively absorb and disperse the collision energy, to solve the safety problem of the driver and passengers and the battery in the collision accident, thereby improving the reliability of the passenger compartment and the energy compartment, and further improving the reliability of the vehicle.

[0083] According to some embodiments of the present application, as shown in Figures 5-6, the chassis 10 of the vehicle can further comprise a first assembly 191.

[0084] The first assembly 191 can sequentially pass through the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 in the vertical direction.

[0085] The first assembly 191 can include, but is not limited to, a bolt, a rivet or a screw, etc., which is not limited here.

[0086] For example, in some embodiments, the first assembly 191 is a bolt.

[0087] It can be understood that the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 are respectively located in the upper space, the middle space and the lower space of the front floor structure, and in the process of high-speed collision, the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 respectively participate in the above-mentioned three force transmission paths to absorb and disperse the collision energy, and the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 are relatively independent of each other in the three-layer force transmission.

[0088] As shown in Figures 5-6, in the case of arranging the first assembly 191, the first assembly 191 fastens the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 in the vertical direction, so that the three longitudinal force transmission paths are highly coupled in the structural arrangement, and the upper, middle and lower three-layer anti-collision structures of the chassis 10 of the vehicle cooperate with each other in force transmission.

[0089] The chassis 10 of the vehicle provided by the embodiments of the present application realizes the high coupling of the upper, middle and lower three-layer force transmission paths through the arrangement of the first assembly 191, the upper, middle and lower three-layer structures of the chassis 10 are connected to each other to form a locking structure, which greatly improves the stability of the longitudinal transmission path, reduces the invasion of the front collision force, and reduces the invasion amount of the passenger compartment and the energy compartment.

[0090] According to some embodiments of the present application, as shown in Figures 1-2, the middle tunnel 15 and the front floor body 11 can be connected to the upper wall surface of the front floor front cross beam 12, and the front floor inner longitudinal beam 14 can be connected to the rear wall surface of the front floor front cross beam 12.

[0091] In this embodiment, as shown in FIGS. 1-2, the middle tunnel 15 is installed in the middle of the top surface of the front floor body 11, and the front end of the middle tunnel 15 extends forward beyond the front end of the front floor body 11, the front part of the bottom surface of the front floor body 11 is connected with the upper wall surface of the front floor front beam 12, in order not to interfere with the connection between the middle tunnel 15 and the upper wall surface of the front floor front beam 12, the front part of the front floor body 11 is provided with a avoiding area, the middle tunnel 15 is connected with the upper wall surface of the front floor front beam 12 in the avoiding area, and the front floor inner longitudinal beam 14 is vertically connected to the rear wall surface of the front floor front beam 12.

[0092] The chassis 10 of the vehicle provided by the embodiment of the present application, through the design of the specific connection position between the front floor front beam 12 and the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14, the reliability and firmness of the assembly between the front floor front beam 12 and the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 are increased as much as possible without affecting the stability of the upper-middle-lower three-layer force transmission path.

[0093] According to some embodiments of the present application, as shown in FIGS. 1-5, the chassis 10 of the vehicle can further include a front wall structure 17.

[0094] The front wall structure 17 can be connected between the energy-absorbing structure 16 and the middle tunnel 15, and the front wall structure 17 can be connected with the front floor front beam 12.

[0095] The connection mode between the front wall structure 17 and the front floor front beam 12 can include but is not limited to threaded connection, welding or riveting, etc., which is not limited here.

[0096] For example, in some embodiments, the connection mode between the front wall structure 17 and the front floor front beam 12 is threaded connection.

[0097] In actual implementation, as shown in FIGS. 1-5, in the process of the vehicle being hit, the energy-absorbing structure 16 first absorbs the collision energy and collapses and deforms, then the collision energy can also be transmitted backward to the front wall structure 17, the front wall structure 17 absorbs energy and collapses, and the front wall structure 17 after sufficient deformation extrudes the middle tunnel 15 located in the upper layer, thereby transmitting the collision energy to the middle tunnel 15.

[0098] The chassis 10 of the vehicle provided by the embodiment of the present application, through the setting of the above-mentioned front wall structure 17, on the basis of the original upper-middle-lower three-layer force transmission path, an auxiliary collapse and energy-absorbing force transmission path is added, the front wall structure 17 and the middle tunnel 15 are connected while the energy-absorbing structure 16 absorbs the collision energy, thereby achieving the reinforcement of the chassis 10 structure of the vehicle.

[0099] According to some embodiments of the present application, as shown in FIG. 5, the front wall structure 17 can include a front wall plate 171 and a front wall beam 172.

[0100] The energy-absorbing structure 16 can be connected to the front end of the front wall beam 172, the front wall plate 171 can be connected between the front wall beam 172 and the front floor front beam 12, and the front wall plate 171 can be connected to the front end of the middle channel 15.

[0101] The connection between the front wall plate 171 and the middle channel 15 can include, but is not limited to, threaded connection, welding or riveting, etc., which is not limited here.

[0102] For example, in some embodiments, the connection between the front wall plate 171 and the middle channel 15 is threaded connection.

[0103] The connection between the front wall plate 171 and the front wall beam 172 can include, but is not limited to, threaded connection, welding or riveting, etc., which is not limited here.

[0104] For example, in some embodiments, the connection between the front wall plate 171 and the front wall beam 172 is threaded connection.

[0105] In this embodiment, as shown in FIG. 5, the front wall plate 171 can be bent, the front wall beam 172 can be L-shaped, the front wall plate 171 can be connected to the rear end of the front wall beam 172, the rear end of the front wall plate 171 can be connected to the upper wall surface of the front floor front beam 12, the rear end of the front wall plate 171 is arranged spaced apart from the front end of the front floor body 11, the front end of the middle channel 15 extends forward beyond the front end of the front floor body 11, and at least part of the middle channel 15 can be mounted on the upper wall surface of the front wall plate 171.

[0106] The chassis 10 of the vehicle provided by the embodiments of the present application realizes the transmission of the collision energy from the energy-absorbing structure 16 to the middle channel 15 through the auxiliary path participated by the front wall structure 17, improves the stability of the auxiliary path while realizing the overall lightweight.

[0107] According to some embodiments of the present application, as shown in FIGS. 5 and 7-8, the energy-absorbing structure 16 can include an energy-absorbing piece 161 and a first connecting piece 162.

[0108] The rear end of the energy-absorbing piece 161 can be connected to the front floor front beam 12, and the front wall plate 171 and the front wall beam 172 can be located above the energy-absorbing piece 161; the front end of the energy-absorbing piece 161 can be connected to the front end of the front wall beam 172 through the first connecting piece 162.

[0109] The projection of the front wall 171 and the front wall transverse beam 172 can be located above the projection of the energy absorption member 161 in the transverse direction as the projection direction and the first plane as the projection plane, wherein the first plane is parallel to the vertical plane.

[0110] The energy absorption member 161 can include but is not limited to an energy absorption box, a spring, or an air bag, etc., which is not limited here.

[0111] For example, in some embodiments, as shown in FIGS. 7-8, the energy absorption member 161 is an energy absorption box.

[0112] The shape of the energy absorption member 161 can include but is not limited to a square, a prism, a cylinder, or an irregular shape, etc., which is not limited here.

[0113] For example, in some embodiments, as shown in FIGS. 5 and 7-8, the shape of the energy absorption member 161 is a square.

[0114] In some embodiments, the energy absorption member 161 has a cavity extending through the energy absorption member 161 in the longitudinal direction; optionally, a plurality of cavities can be provided, and a plurality of cavities means two or more, and a partition rib is provided between adjacent two cavities.

[0115] The connection between the energy absorption member 161 and the first connecting member 162 can include but is not limited to threaded connection, welding, or riveting, etc., which is not limited here.

[0116] For example, in some embodiments, the connection between the energy absorption member 161 and the first connecting member 162 is threaded connection.

[0117] The connection between the front wall transverse beam 172 and the first connecting member 162 can include but is not limited to threaded connection, welding, or riveting, etc., which is not limited here.

[0118] For example, in some embodiments, the connection between the front wall transverse beam 172 and the first connecting member 162 is threaded connection.

[0119] The first connecting member 162 can include a connecting plate, which can be a straight plate or a bent plate, etc., which is not limited here.

[0120] The chassis 10 of the vehicle provided by the embodiments of the present application realizes the assembly between the energy absorption member 161 and the front wall transverse beam 172 through the provision of the energy absorption member 161 and the first connecting member 162, so that the energy absorption member 161 can disperse and transmit the collision force to the front floor front transverse beam 12 and the front wall structure 17 after energy absorption and crushing, and the collision force is transmitted away through a reasonable force transmission path, thereby reducing the harm index to the driver and passengers and the battery.

[0121] According to some embodiments of the present application, as shown in FIG. 5, the first connecting member 162 can include a first segment 1621, a second segment 1622 and a third segment 1623 connected in sequence, the first segment 1621, the second segment 1622 and the third segment 1623 can be arranged in sequence from top to bottom, the second segment 1622 can be arranged in a bent manner relative to the first segment 1621, the third segment 1623 can be arranged in a bent manner relative to the second segment 1622, the front transverse beam 172 can be connected with the first segment 1621, and the energy-absorbing member 161 can be connected with the second segment 1622 and the third segment 1623.

[0122] In this embodiment, as shown in FIG. 5, the first segment 1621 can be arranged in a vertical direction, the second segment 1622 can be arranged in a longitudinal direction, and the third segment 1623 can be arranged in a vertical direction, in other words, the first segment 1621 and the second segment 1622 can form a right angle, the second segment 1622 and the third segment 1623 can form a right angle, the energy-absorbing member 161 can be connected with the lower wall surface of the second segment 1622 and the rear wall surface of the third segment 1623, and the front wall structure 17 can be connected with the rear wall surface of the first segment 1621.

[0123] The chassis 10 of the vehicle provided by the embodiments of the present application can make the energy-absorbing member 161 connected with multiple wall surfaces of the first connecting member 162 by arranging the first segment 1621, the second segment 1622 and the third segment 1623, thereby increasing the contact area between the energy-absorbing member 161 and the first connecting member 162, and optimizing the force transmission effect between the energy-absorbing member 161 and the first connecting member 162, and in addition, the energy-absorbing member 161 and the front wall plate 171 are arranged in a vertical direction, which can reduce the interference between the auxiliary force transmission path and the original force transmission path.

[0124] According to some embodiments of the present application, as shown in FIG. 5 and FIG. 7, the energy-absorbing structure 16 can further include a second connecting member 163.

[0125] The second connecting member 163 can be connected between the first connecting member 162 and the front wall plate 171.

[0126] The second connecting member 163 can include a connecting plate, which can be a straight plate or a bent plate, etc., which is not limited herein.

[0127] In actual implementation, as shown in FIG. 5 and FIG. 7, in the process of vehicle collision, the energy-absorbing member 161 and the first connecting member 162 first absorb the collision energy and collapse and deform, then the collision energy can also be transmitted to the rear front wall plate 171 through the front transverse beam 172 and the second connecting member 163 connected with the first connecting member 162, the front wall plate 171 absorbs and collapses, and the fully deformed front wall plate 171 extrudes the upper-layered center tunnel 15, thereby transmitting the collision energy to the center tunnel 15.

[0128] The chassis 10 provided by the embodiment of the present application, through the arrangement of the second connecting piece 163, simultaneously uses the front wall of the first connecting piece 162 and the second connecting piece 163 as a force transmission member between the first connecting piece 162 and the front wall 171, so that the auxiliary force transmission path in which the front wall 171 participates can bear more collision force, and the auxiliary force transmission path is further strengthened.

[0129] According to some embodiments of the present application, as shown in FIG. 5, the second connecting piece 163 can be located in a cavity formed by the first connecting piece 162, the energy-absorbing piece 161, the front wall 171 and the front wall transverse beam 172.

[0130] In this embodiment, as shown in FIG. 5, the front end of the front wall transverse beam 172 can be connected with the rear wall of the first section 1621, the front end of the front wall 171 can be connected with the rear end of the front wall transverse beam 172, the rear end of the front wall 171 can extend to be connected with the upper wall of the front floor front transverse beam 12, the front end of the energy-absorbing piece 161 can be connected with the lower wall of the second section 1622 and the rear wall of the third section 1623, and the rear end of the energy-absorbing piece 161 can be connected with the front end of the front floor front transverse beam 12, so that the first connecting piece 162, the energy-absorbing piece 161, the front wall 171 and the front wall transverse beam 172 can enclose a cavity, the second connecting piece 163 can be arranged in the cavity in the longitudinal direction, and the second connecting piece 163, the front wall 171 and the middle channel 15 can be coupled in three layers to form a locking structure.

[0131] The chassis 10 provided by the embodiment of the present application, through the spatial position design of the second connecting piece 163, uses the cavity formed by the first connecting piece 162, the energy-absorbing piece 161, the front wall 171 and the front wall transverse beam 172 to guide the collision energy to be transmitted to the front wall 171 through the second connecting piece 163, so as to increase the stability of the auxiliary force transmission path in which the front wall 171 participates, and the second connecting piece 163, the front wall 171 and the middle channel 15 can be coupled in three layers, so as to further strengthen the structure of the chassis 10 of the vehicle.

[0132] According to some embodiments of the present application, as shown in FIGS. 1-3 and 8, the chassis 10 of the vehicle can further include a seat transverse beam 18.

[0133] The seat transverse beam 18 can be mounted on the top surface of the front floor body 11, the seat transverse beam 18 can be located behind the front floor front transverse beam 12, and the seat transverse beam 18 can be connected with the middle channel 15.

[0134] In the vertical direction as the projection direction and in the second plane as the projection plane, the projection of the seat transverse beam 18 on the second plane is located behind the projection of the front floor front transverse beam 12 on the second plane.

[0135] The seat cross beam 18 can be provided with one or more, more than two, for example, in some embodiments, as shown in FIGS. 1-3 and 7-8, two seat cross beams 18 are provided.

[0136] The connection mode of the seat cross beam 18 and the center tunnel 15 includes, but is not limited to, threaded connection, welding or riveting, etc., which is not limited here.

[0137] For example, in some embodiments, the connection mode of the seat cross beam 18 and the center tunnel 15 is threaded connection.

[0138] In actual implementation, as shown in FIGS. 1-5, taking the upper layer force transmission path as an example, in the process of vehicle collision, the energy-absorbing structure 16 first absorbs the collision energy and collapses and deforms, extruding the front floor front cross beam 12 rearward, so as to transmit the collision energy to the front floor front cross beam 12, and the collision energy can be transmitted from the front floor front cross beam 12 to the center tunnel 15 located in the upper layer in the longitudinal direction, the center tunnel 15 absorbs energy and collapses, extruding the seat cross beam 18, so as to transmit the collision energy to the seat cross beam 18.

[0139] The chassis 10 of the vehicle provided by the embodiments of the present application, through the above-mentioned arrangement of the seat cross beam 18, the seat cross beam 18 and the front floor front cross beam 12 form a transverse support, and the front floor inner longitudinal beam 14 forms a longitudinal support, effectively improving the anti-collision performance of the entire chassis, and at the same time, the seat cross beam 18 as a direct support of the center tunnel 15 effectively guides the stable collapse and deformation of the energy-absorbing structure 16 in the upper layer force transmission path.

[0140] According to some embodiments of the present application, as shown in FIGS. 1-3 and 8, the seat cross beam 18 can include: seat front cross beams 181 and seat rear cross beams 182 distributed in the longitudinal direction.

[0141] The center tunnel 15 can be connected with the seat front cross beams 181 and the seat rear cross beams 182 in the longitudinal direction respectively, and the front end of the center tunnel 15 can be located in front of the seat front cross beams 181, and the rear end of the center tunnel 15 can be connected with the front end of the seat rear cross beams 182.

[0142] As shown in FIGS. 3 and 7, the seat front cross beams 181 can include: left front cross beams 1811 and right front cross beams 1812 distributed in the transverse direction. The left front cross beams 1811 are connected to the left side of the center tunnel 15, and the right front cross beams 1812 are connected to the right side of the center tunnel 15.

[0143] By arranging the left front cross beams 1811 and the right front cross beams 1812, compared with the overall structure, they can be replaced individually during maintenance, improving the maintainability of the seat cross beam 18 and reducing the maintenance cost.

[0144] The seat front beam 181 can further include a first joint 1813 and a second joint 1814. The left front beam 1811 is connected to the middle channel 15 through the first joint 1813, and the right front beam 1812 is connected to the middle channel 15 through the second joint 1814.

[0145] By providing the first joint 1813 and the second joint 1814, compared with the design that the left front beam 1811 and the right front beam 1812 are directly connected to the middle channel 15, the assembly reliability and firmness are increased.

[0146] At least part of the middle channel 15, the seat rear beam 182, the left front beam 1811, the right front beam 1812, the first joint 1813 and the second joint 1814 are integrated.

[0147] For example, in some embodiments, the middle channel 15, the first joint 1813 and the second joint 1814 can be integrated.

[0148] For example, in some other embodiments, the middle channel 15, the left front beam 1811, the right front beam 1812, the first joint 1813 and the second joint 1814 can be integrated.

[0149] For example, in some other embodiments, the middle channel 15 and the seat rear beam 182 can be integrated.

[0150] For example, in some other embodiments, the middle channel 15, the seat rear beam 182, the left front beam 1811, the right front beam 1812, the first joint 1813 and the second joint 1814 can be integrated.

[0151] The middle channel 15 can be a whole structure or a split structure, which is not limited herein.

[0152] For example, in this embodiment, as shown in FIGS. 5 and 7, the middle channel 15 can include a middle channel front section 151 and a middle channel rear section 152 connected in the longitudinal direction. The middle channel front section 151 and the middle channel rear section 152 can be connected by overlapping, and specifically, the left front beam 1811 can be connected to the left side of the middle channel rear section 152, and the right front beam 1812 can be connected to the right side of the middle channel rear section 152.

[0153] In this embodiment, as shown in FIGS. 1-3, 7, the front end of the middle channel 15 extends forward beyond the front end of the front seat cross member 181, and the rear end of the middle channel 15 does not extend backward beyond the rear end of the rear seat cross member 182. Therefore, the middle channel 15, the left front cross member 1811, the right front cross member 1812, the first joint 1813, the second joint 1814, and the rear seat cross member 182 form a cross shape like the Chinese character "tu". The collision energy is transmitted longitudinally along the middle channel 15, and the collision energy is transmitted transversely along the front seat cross member 181 and the rear seat cross member 182.

[0154] For the vehicle chassis 10 provided in the embodiment of the present application, through the design of the above arrangement of the middle channel 15, the front seat cross member 181, and the rear seat cross member 182, the upper anti-collision structure of the front floor forms a tortoise shell force transmission structure, which can effectively resist the residual kinetic energy during a collision. At the same time, the front seat cross member 181 forms a cross beam support for the middle channel 15, which not only improves the longitudinal support stability but also further reduces the deformation of the front floor body 11 and the occupant compartment.

[0155] According to some embodiments of the present application, as shown in FIGS. 1-2, 4-5, 8, the vehicle chassis 10 may further include: a rear front floor cross member 13.

[0156] The rear front floor cross member 13 may be installed on the bottom surface of the front floor body 11. The rear front floor cross member 13 and the front front floor cross member 12 may be arranged longitudinally separated, and the rear front floor cross member 13 may be located below the rear seat cross member 182. The front floor inner longitudinal beam 14 may be longitudinally connected to the front front floor cross member 12 and the rear front floor cross member 13 respectively, and the rear end of the front floor inner longitudinal beam 14 may be located behind the rear front floor cross member 13.

[0157] In this embodiment, as shown in FIGS. 1-2, 4-5, 8, the front end of the front floor inner longitudinal beam 14 does not extend forward beyond the front end of the front front floor cross member 12, and the rear end of the front floor inner longitudinal beam 14 extends backward beyond the rear end of the rear front floor cross member 13. Therefore, the front floor inner longitudinal beam 14, the front front floor cross member 12, and the rear front floor cross member 13 form a cross shape like the Chinese character "tu". The collision energy is transmitted longitudinally along the front floor inner longitudinal beam 14, and the collision energy is transmitted transversely along the front front floor cross member 12 and the rear front floor cross member 13.

[0158] As shown in FIGS. 1-5, 7-8, the cross shape formed by the middle channel 15, the front seat cross member 181, and the rear seat cross member 182 may be inverted with respect to the cross shape formed by the front floor inner longitudinal beam 14, the front front floor cross member 12, and the rear front floor cross member 13.

[0159] The chassis 10 of the vehicle provided in the embodiments of the present application is designed by the arrangement of the front floor inner longitudinal beam 14, the front floor front cross beam 12 and the front floor rear cross beam 13, so that the lower anti-collision structure of the front floor forms a tortoise shell force transmission structure, which can effectively resist the residual kinetic energy in the collision process. Meanwhile, the front floor inner longitudinal beam 14 supports the front floor front cross beam 12, which improves the stability of the transverse support and further reduces the deformation of the front floor body 11 and the passenger compartment.

[0160] According to some embodiments of the present application, as shown in FIG. 8, the chassis 10 of the vehicle can further include a second assembly 192.

[0161] The second assembly 192 can sequentially penetrate the seat rear cross beam 182, the front floor body 11 and the front floor rear cross beam 13 in the vertical direction.

[0162] The second assembly 192 can include, but is not limited to, bolts, rivets or screws, which are not limited herein.

[0163] For example, in some embodiments, the second assembly 192 is a bolt.

[0164] It can be understood that the seat rear cross beam 182, the front floor body 11 and the front floor rear cross beam 13 are located in the upper space, the middle space and the lower space of the front floor structure respectively. In the high-speed collision process, the seat rear cross beam 182, the front floor body 11 and the front floor rear cross beam 13 respectively participate in the above-mentioned three force transmission paths to absorb and disperse the collision energy. The seat rear cross beam 182, the front floor body 11 and the front floor rear cross beam 13 are relatively independent of each other in the three-layer force transmission.

[0165] As shown in FIG. 8, in the case of providing the second assembly 192, the second assembly 192 fastens the seat rear cross beam 182, the front floor body 11 and the front floor rear cross beam 13 in the vertical direction, so that the three longitudinal force transmission paths are highly coupled in the structural arrangement, and the upper, middle and lower anti-collision structures of the front floor cooperate with each other in the force transmission.

[0166] The chassis 10 of the vehicle provided in the embodiments of the present application is designed by the arrangement of the front floor inner longitudinal beam 14, the front floor front cross beam 12 and the front floor rear cross beam 13, so that the lower anti-collision structure of the front floor forms a tortoise shell force transmission structure, which can effectively resist the residual kinetic energy in the collision process. Meanwhile, the front floor inner longitudinal beam 14 supports the front floor front cross beam 12, which improves the stability of the transverse support and further reduces the deformation of the front floor body 11 and the passenger compartment.

[0167] According to some embodiments of the present application, as shown in FIG. 5, the chassis 10 of the vehicle can further include a third assembly 193.

[0168] The third assembly 193 can be located rearward of the seat cross beam 18, and the third assembly 193 can pass through the front floor body 11 and the front floor inner longitudinal beam 14 in the vertical direction.

[0169] The third assembly 193 can include, but is not limited to, a bolt, a rivet, or a screw, and the like, which is not limited herein.

[0170] For example, in some embodiments, the third assembly 193 is a bolt.

[0171] It can be understood that the upper force transmission path ends at the seat rear cross beam 182, and the rear end of the front floor body 11 and the rear end of the front floor inner longitudinal beam 14 both extend rearward beyond the rear end of the seat rear cross beam 182, so that the front floor body 11 and the front floor inner longitudinal beam 14 are relatively independent of each other in force transmission after the seat rear cross beam 182.

[0172] As shown in FIG. 5, in the case where the third assembly 193 is provided, the third assembly 193 fastens the front floor body 11 and the front floor inner longitudinal beam 14 in the vertical direction, so that the middle force transmission path and the lower force transmission path are highly coupled in structural arrangement, and the tail portions of the middle and lower anti-collision structures of the front floor are matched with each other in force transmission.

[0173] The chassis 10 of the vehicle provided by the embodiments of the present application, through the provision of the third assembly 193 described above, realizes the high coupling of the middle force transmission path and the lower force transmission path after the termination of the upper force transmission path on the basis of the first assembly 191 and the second assembly 192, the front floor body 11 and the front floor inner longitudinal beam 14 form a locking structure, so that the longitudinal connection of the front floor structure is strengthened, and the deformation amount of the front floor body 11, the energy cabin, and the passenger cabin is minimized.

[0174] According to some embodiments of the present application, the present application also provides a vehicle, which includes the chassis 10 of any one of the vehicles described above.

[0175] The vehicle provided by the embodiments of the present application, through the provision of the chassis 10 of the vehicle described above, in the process of high-speed collision, the collision energy can be dispersed by the upper, middle, and lower three-layer force transmission paths, the diversity of the force transmission paths is increased, the upper, middle, and lower anti-collision structures of the front floor form a high-rigidity and crashworthiness structure in the longitudinal direction, resist the invasion of the front collision force, and reduce the invasion amount of the passenger cabin and the battery energy cabin, thereby improving the reliability of the passenger cabin and the energy cabin, and further improving the reliability of the vehicle. At the same time, through the optimization of the layout and connection mode of the components, the chassis 10 structure of the vehicle is effectively strengthened, and the collision safety performance of the vehicle is greatly improved.

[0176] According to some embodiments of the present application, referring to Figs. 1-8, the present application provides a chassis 10 of a vehicle, which comprises a front floor body 11, a front floor front beam 12, a front floor inner longitudinal beam 14, a middle tunnel 15, an energy compartment and an energy absorption structure 16. The front floor front beam 12 is installed at a front end of the front floor body 11; the front floor inner longitudinal beam 14 is installed at a bottom surface of the front floor body 11, and a front end of the front floor inner longitudinal beam 14 is connected to the front floor front beam 12; the middle tunnel 15 is installed at a top surface of the front floor body 11, and a front end of the middle tunnel 15 is connected to the front floor front beam 12; the energy compartment is used for accommodating a battery, the battery is located below the front floor body 11 and behind the front floor front beam 12; a rear end of the energy absorption structure 16 is connected to the front floor front beam 12. The chassis 10 of the vehicle further comprises a first assembly part 191, which penetrates the middle tunnel 15, the front floor body 11 and the front floor inner longitudinal beam 14 in sequence in a vertical direction. The middle tunnel 15 and the front floor body 11 are connected to an upper wall surface of the front floor front beam 12, and the front floor inner longitudinal beam 14 is connected to a rear wall surface of the front floor front beam 12. The chassis 10 of the vehicle further comprises a front wall structure 17, which is connected between the energy absorption structure 16 and the middle tunnel 15, and is connected to the front floor front beam 12. The front wall structure 17 comprises a front wall plate 171 and a front wall beam 172, the energy absorption structure 16 is connected to a front end of the front wall beam 172, the front wall plate 171 is connected between the front wall beam 172 and the front floor front beam 12, and is connected to a front end of the middle tunnel 15. The energy absorption structure 16 comprises an energy absorption part 161 and a first connecting part 162, a rear end of the energy absorption part 161 is connected to the front floor front beam 12, and the front wall plate 171 and the front wall beam 172 are both located above the energy absorption part 161; a front end of the energy absorption part 161 is connected to the front end of the front wall beam 172 through the first connecting part 162. The first connecting part 162 comprises a first segment 1621, a second segment 1622 and a third segment 1623 connected in sequence, the first segment 1621, the second segment 1622 and the third segment 1623 are arranged in sequence from top to bottom, the second segment 1622 is arranged in a bent manner relative to the first segment 1621, the third segment 1623 is arranged in a bent manner relative to the second segment 1622, the front wall beam 172 is connected to the first segment 1621, and the energy absorption part 161 is connected to the second segment 1622 and the third segment 1623. The energy absorption structure 16 further comprises a second connecting part 163, which is connected between the first connecting part 162 and the front wall plate 171. The second connecting part 163 is located in a cavity formed by the first connecting part 162, the energy absorption part 161, the front wall plate 171 and the front wall beam 172. The chassis 10 of the vehicle further comprises a seat beam 18, which is installed at a top surface of the front floor body 11, is located behind the front floor front beam 12, and is connected to the middle tunnel 15.The seat transverse beam 18 comprises a seat front transverse beam 181 and a seat rear transverse beam 182 distributed longitudinally at intervals, the center tunnel 15 is connected with the seat front transverse beam 181 and the seat rear transverse beam 182 longitudinally respectively, and the front end of the center tunnel 15 is located in front of the seat front transverse beam 181, and the rear end of the center tunnel 15 is connected with the front end of the seat rear transverse beam 182. The chassis 10 of the vehicle further comprises a front floor rear transverse beam 13, the front floor rear transverse beam 13 is installed on the bottom surface of the front floor body 11, is arranged longitudinally at intervals with the front floor front transverse beam 12, and is located below the seat rear transverse beam 182, and the front floor inner longitudinal beam 14 is connected with the front floor front transverse beam 12 and the front floor rear transverse beam 13 longitudinally respectively, and the rear end of the front floor inner longitudinal beam 14 is located behind the front floor rear transverse beam 13. The chassis 10 of the vehicle further comprises a second assembly part 192, the second assembly part 192 penetrates the seat rear transverse beam 182, the front floor body 11 and the front floor rear transverse beam 13 vertically in sequence. The chassis 10 of the vehicle further comprises a third assembly part 193, the third assembly part 193 is located behind the seat transverse beam 18, and penetrates the front floor body 11 and the front floor inner longitudinal beam 14 vertically.

[0177] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict.

[0178] The preferred embodiments of the present application have been described above with reference to the drawings, but the present application is not limited to the above examples. It will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the spirit and scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the present application.

Claims

1. A chassis of a vehicle, characterized in that, The front floor body; The front floor front cross beam is installed at the front end of the front floor body; The front floor inner longitudinal beam is installed at the bottom surface of the front floor body, and the front end is connected to the front floor front cross beam; The middle channel is installed at the top surface of the front floor body, and the front end is connected to the front floor front cross beam; The energy cabin is used for accommodating the battery, and the battery is located below the front floor body and behind the front floor front cross beam; The rear end of the energy absorption structure is connected to the front floor front cross beam. Further comprising:

2. The chassis of the vehicle according to claim 1, characterized in that, The first assembly part sequentially penetrates the middle channel, the front floor body and the front floor inner longitudinal beam in the vertical direction. The upper wall surface of the middle channel and the front floor body is connected to the front floor front cross beam, and the rear wall surface of the front floor inner longitudinal beam is connected to the front floor front cross beam.

3. The chassis of a vehicle according to claim 1 or 2, characterised in that Further comprising:

4. The chassis of a vehicle according to any one of claims 1-3, characterized in that The front wall structure is connected between the energy absorption structure and the middle channel, and is connected to the front floor front cross beam. The front wall structure comprises:

5. The chassis of a vehicle according to claim 4, characterised in that, The front wall plate and the front wall cross beam, the energy absorption structure is connected to the front end of the front wall cross beam, the front wall plate is connected between the front wall cross beam and the front floor front cross beam, and is connected to the front end of the middle channel. The energy absorption structure comprises:

6. The chassis of a vehicle according to claim 5, characterised in that The energy absorption part, the rear end of the energy absorption part is connected to the front floor front cross beam, and the front wall plate and the front wall cross beam are both located above the energy absorption part; The first connecting part, the front end of the energy absorption part is connected to the front end of the front wall cross beam through the first connecting part. The first connecting part comprises a first segment, a second segment and a third segment connected in sequence, the first segment, the second segment and the third segment are sequentially arranged from top to bottom, the second segment is bent relative to the first segment, the third segment is bent relative to the second segment, the front wall cross beam is connected to the first segment, and the energy absorption part is connected to the second segment and the third segment.

7. The chassis of a vehicle according to claim 6, characterised in that The energy absorption structure further comprises:

8. The chassis of a vehicle according to claim 6 or 7, characterised in that The second connecting part is connected between the first connecting part and the front wall plate. The second connecting part is located in the cavity formed by the first connecting part, the energy absorption part, the front wall plate and the front wall cross beam.

9. The chassis of a vehicle according to claim 8, characterised in that, Further comprising:

10. The chassis of a vehicle according to any one of claims 1-9, characterized in that, The seat cross beam is installed at the top surface of the front floor body, is located behind the front floor front cross beam, and is connected to the middle channel. The seat cross beam comprises:

11. The chassis of the vehicle according to claim 10, characterized in that, The seat front cross beam and the seat rear cross beam are longitudinally spaced, the middle channel is longitudinally connected to the seat front cross beam and the seat rear cross beam respectively, and the front end of the middle channel is located in front of the seat front cross beam, and the rear end of the middle channel is connected to the front end of the seat rear cross beam. Further comprising:

12. The chassis of the vehicle according to claim 11, characterized in that, The front floor rear cross beam is installed at the bottom surface of the front floor body, is longitudinally spaced from the front floor front cross beam, and is located below the seat rear cross beam, the front floor inner longitudinal beam is longitudinally connected to the front floor front cross beam and the front floor rear cross beam respectively, and the rear end of the front floor inner longitudinal beam is located behind the front floor rear cross beam. Further comprising:

13. The chassis of a vehicle according to claim 12, characterised in that, ​ A second assembly that sequentially passes through the seat rear cross beam, the front floor body and the front floor rear cross beam in the vertical direction.

14. The chassis of a vehicle according to any one of claims 10-13, characterized in that, Also included are: A third assembly that sequentially passes through the front floor body and the front floor inner longitudinal beam behind the seat cross beam in the vertical direction.

15. A vehicle characterized by comprising: Included are: The chassis of the vehicle of any one of claims 1-14.

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