CN220764500U

CN220764500U - Automobile platform capable of being expanded in Y direction and automobile

Info

Publication number: CN220764500U
Application number: CN202322333233.0U
Authority: CN
Inventors: 左猛; 董波
Original assignee: IAT Automobile Technology Co Ltd
Current assignee: IAT Automobile Technology Co Ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-12
Anticipated expiration: 2033-08-29

Abstract

The utility model provides an automobile platform capable of being expanded in the Y direction and an automobile, and belongs to the field of automobile design and manufacturing. The automobile platform provided by the utility model comprises a front end Y-direction expansion module, a main body Y-direction expansion module and a rear end Y-direction expansion module which are sequentially arranged along the X direction; the front auxiliary frame of the front end Y-direction expansion module is provided with two swing arm installation parts, each swing arm installation part comprises a Y-direction expansion area and a swing arm installation point, and the swing arm installation point is arranged to be adjustable in the Y direction on the basis of the Y-direction expansion area; the main body Y-direction expansion module comprises threshold side beams and a front floor assembly, wherein the threshold side beams are arranged at intervals along the Y direction, and the front floor assembly is connected between the two threshold side beams; the rear end assembly X of the rear end Y-direction expansion module is connected with the front floor assembly, and the rear suspension assembly Z-direction is connected with the bottom of the rear end assembly. The automobile platform disclosed by the utility model can be adapted to multiple automobile types of A0/A00 level, and Y-direction expansion adjustment among various automobile types is realized, so that the cost and performance risks are reduced, and the development period is shortened.

Description

Automobile platform capable of being expanded in Y direction and automobile

Technical Field

The utility model relates to the field of automobile design and manufacture, in particular to an automobile platform capable of expanding in the Y direction and an automobile.

Background

In various types of automobiles, the A0/A00-level automobile is used as a small/miniature passenger car, and has the advantages of smaller size, convenience in parking and high economy. The A0/A00-level automobile comprises an A0 SUV, an A0 Hatchback, an A00 MPV, an A00 Hatchback and other automobile types, the automobile body forms, the automobile body sizes and the like of all the automobile types are different, the automobile body and the chassis are designed independently, and the design is used along and is used with less reference.

In the prior art, when the A0/A00 model is designed, only the requirement of a single model is usually met, the common and derivative concepts caused by different vehicle grades, vehicle body forms and sizes are not considered, and when the model of each model of the A0/A00-grade automobile needs to adapt to the market requirement for Y-direction expansion, the development cost, the material cost and the production and manufacturing cost are higher due to lower modularization and universalization degree among the model; the software and hardware structures among all the vehicle types are used and used for a few purposes, the performance inheritance of the components is low, and the structures of the vehicle types need to be designed again when the vehicle types are expanded in the Y direction, so that performance targets such as collision performance, NVH (Noise, vibration, harshness), reliability and durability and the like are not easy to control, and further the performance development risk is high; meanwhile, based on the differentiation of the vehicle body and chassis parts of each vehicle type, a large amount of time is increased in the process of selecting the parts of each vehicle type in the Y-direction expansion, engineering design, verifying the parts, testing and verifying the parts, developing a mold, developing a checking fixture, developing a clamp, debugging a production line and the like, so that the development period is greatly prolonged.

In view of the above, there is a need to design a vehicle platform capable of expanding in the Y direction, so that software and hardware can be commonly used between various vehicle types of A0/a00 level, and cost is saved, performance development risk is reduced and development period is shortened during the Y-direction expansion.

Disclosure of Invention

The utility model provides an automobile platform capable of being expanded in the Y direction and an automobile, and aims to solve the problems that in the prior art, modularization and universalization degree among automobile types of A0/A00 level are low, software and hardware are used and reference are less, differentiation among the automobile types is large, cost is high during Y-direction expansion among the automobile types of A0/A00 level is high, performance development risk is high, and development period is long.

The utility model provides an automobile platform capable of expanding in the Y direction, which comprises a front end Y-direction expanding module, a main body Y-direction expanding module and a rear end Y-direction expanding module which are sequentially arranged in the X direction;

the front end Y-direction expansion module comprises a front end assembly, a front auxiliary frame and a front suspension assembly, wherein the front auxiliary frame is connected with the front end assembly in the Z direction, two swing arm installation parts are arranged on the front auxiliary frame at intervals along the Y direction, each swing arm installation part comprises a preset Y-direction expansion area and a swing arm installation point arranged in the Y-direction expansion area, the swing arm installation point is arranged to be adjustable in the Y direction on the basis of the Y-direction expansion area, and the front suspension assembly is connected with the swing arm installation point and used for adjusting the front wheel track in the Y direction;

The main body Y-direction expansion module comprises two threshold side beams and a front floor assembly, wherein the two threshold side beams are arranged at intervals along the Y direction, the front floor assembly is connected between the two threshold side beams, and the threshold side beams are connected with the front end assembly in the X direction and are arranged to be adjustable in the Y direction;

the rear end Y-direction expansion module comprises a rear end assembly and a rear suspension assembly, wherein the rear end assembly X-direction is connected with the front floor assembly, the bottom of the rear end assembly is provided with a rear suspension universal mounting part, and the rear suspension assembly Z-direction is connected with the rear suspension universal mounting part.

In a further aspect of the utility model, the rocker edge beam comprises a rocker inner plate, a rocker reinforcing plate and a rocker outer plate; the side beam cavity and the threshold spigot are arranged to be adjustable in the Y direction; the design of threshold reinforcing plate is favorable to improving the bulk strength of threshold boundary beam, boundary beam cavity and threshold tang set up to can Y to adjust and be favorable to the independent Y of car platform main part middle section portion to expanding the regulation between each motorcycle type.

In a further aspect of the utility model, the front floor assembly includes a front floor and a battery pack assembly; the front floor cover is arranged on the battery pack assembly, the front floor and the battery pack assembly are respectively connected with the threshold inner plate in the Y direction, the front floor can provide the installation position of the front row of seats for all vehicle types through the design of the front floor, and the battery pack assembly provides kinetic energy for the vehicle.

In a further aspect of the utility model, the front end assembly includes a dash panel, two a-pillars, and two front stringers; the two A columns are arranged at intervals along the Y direction and are respectively connected with the corresponding threshold side beam in the X direction; the A column comprises an A column inner plate and an A column outer plate, wherein the A column inner plate is connected with the A column outer plate in the Y direction and is provided with an X-direction A column spigot which is arranged to be adjustable in the Y direction; the front coaming is arranged between the two A columns and connected with the A column inner plate; the two front longitudinal beams are arranged at intervals along the Y direction and are connected with one end X direction, far away from the threshold boundary beam, of the front coaming. In the scheme, the front coaming can provide a mounting fixed point for mechanisms such as an automobile instrument panel, a steering system and the like, the front longitudinal beam is used for providing the mounting fixed point for systems such as an EDU (electronic discharge Unit) and the like of an automobile, and the A column is used for bearing and decomposing impact force when the automobile collides, so that drivers and passengers are protected from being injured; the spigot of the A column can be adjusted in the Y direction to adapt to the Y direction adjustment of the main body Y direction expansion module, and different vehicle width requirements are realized.

In a further scheme of the utility model, the front auxiliary frame further comprises a middle section, and the middle section is connected between the two swing arm mounting parts; the swing arm installation portion is provided with a swing arm installation cavity along the Y direction, and the Y direction expansion area is provided with two along the X direction interval and is arranged on the swing arm installation cavity along the Z direction. In this scheme, the middle end is used for connecting two swing arm installation department, and swing arm installation cavity is used for holding the lower swing arm of front suspension assembly to make the lower swing arm Z of front suspension assembly be fixed in the swing arm mounting point in Y to expansion district.

In a further scheme of the utility model, the front end assembly further comprises a front cross beam, the front cross beam is arranged at the bottom of the front coaming, the bottom of the front cross beam is provided with a first connecting point and a second connecting point at intervals along the Y direction, and the bottom of the front longitudinal beam is provided with a third connecting point; the swing arm installation part is correspondingly provided with a first matching point, a second matching point and a third matching point, the first matching point and the second matching point are both arranged at one end of the swing arm installation part in the X direction and are arranged at intervals along the Y direction, and the third matching point is positioned between the two Y-direction expansion areas; the first matching connection point is connected with the first connecting point in a Z-direction adaptive manner, the second matching connection point is connected with the second connecting point in a Z-direction adaptive manner, and the third matching connection point is connected with the third connecting point in a Z-direction adaptive manner so as to connect the front auxiliary frame with the front end assembly.

In a further scheme of the utility model, two front suspension assemblies are arranged at intervals along the Y direction, and each front suspension assembly comprises a lower swing arm, a front knuckle and a front shock absorber; one end of the lower swing arm is connected with the knuckle in the Z direction, and the other section of the lower swing arm is inserted into the swing arm mounting cavity and is fixedly connected with the front auxiliary frame based on the swing arm mounting point; the front knuckle is connected with the front shock absorber in the Z direction, and a Y-direction expansion thickness area is preset on the front knuckle so as to adjust the Y-direction size. In this scheme, lower swing arm is through pegging graft in swing arm installation cavity and based on swing arm mounting point fixed connection front subframe, can realize in Y to expanding the district that Y extends and adjust, and the Y that front steering knuckle designed is to expanding thickness district can cooperate the Y of lower swing arm to adjust and further carry out Y to the regulation to the front wheel track.

In a further scheme of the utility model, a steering rod and a transverse pull rod are also arranged between the two front suspension assemblies, and the lengths of the steering rod and the transverse pull rod are set to be adjustable in the Y direction; the tie rod and the steering rod are arranged between the two steering knuckles; the swing arm installation part is also provided with a tie rod installation seat and a steering rod installation seat, the tie rod installation seat is adjacent to the middle section, the tie rod installation seat is provided with a tie rod installation point, and the tie rod installation seat is used for installing a tie rod; the steering rod mounting seats are arranged at adjacent parts of the tie rod mounting seats at intervals along the X direction, and the steering rod mounting seats are used for mounting steering rods.

In a further scheme of the utility model, the front end assembly further comprises a front wheel cover plate and a front shock absorber turret; the front wheel cover plates are arranged at intervals along the Y direction and are respectively connected with the front coaming; the front shock absorber gun turret is arranged between the front wheel cover plate and the adjacent front longitudinal beam, a front shock absorber mounting plate is arranged on the front shock absorber gun turret, a front shock absorber mounting point is arranged on the front shock absorber mounting plate in the Z direction, the front shock absorber mounting point is adjustable in the Y direction on the front shock absorber mounting plate, and the front shock absorber mounting point is used for connecting the front shock absorber. Through the design of preceding bumper shock absorber turret, preceding bumper shock absorber Z is connected preceding bumper shock absorber installation top point, and then realizes preceding bumper shock absorber Y and to the size expansion regulation.

In a further scheme of the utility model, the rear end assembly comprises two rear longitudinal beams, two rear wheel cover plates, a rear floor front section and a rear floor rear section; the two rear wheel cover plates are arranged at intervals along the Y direction, the two rear longitudinal beams are arranged between the rear wheel cover plates at intervals along the Y direction, and the rear wheel cover plates are connected with the adjacent rear longitudinal beams along the Y direction; the front section of the rear floor and the rear section of the rear floor are connected in the X direction and are jointly arranged between the two rear longitudinal beams; the rear suspension universal mounting part comprises a rear suspension main body mounting point, a spring mounting point and a rear shock absorber mounting upper point; the bottom of the rear longitudinal beam is provided with rear suspension main body installation points and spring installation points which are arranged along the Z direction at intervals along the X direction, the rear suspension main body installation points are adjacent to the front end of the rear floor, and the spring installation points are adjacent to the intersection points of the front section of the rear floor and the rear section of the rear floor; the rear wheel cover plate is provided with a rear shock absorber mounting upper point in the Z direction, and the Y direction of the rear shock absorber mounting upper point is projected on the rear section of the rear floor. The rear end assembly in this scheme is through the general rear suspension main part mounting point of design, rear shock absorber mounting go up the point and reserve different spring mounting point, can make the rear end assembly can adapt multiple different rear suspension assemblies to realize different Y to expanding the demand between the A0/A00 level motorcycle type, improve rear end Y and to expanding the universalization and the modularization degree of module.

In a further aspect of the present utility model, the rear suspension assembly includes a torsion beam and two rear shock absorbers; the torsion beam comprises a torsion beam body, mounting parts and a brake bottom plate connecting part, wherein the mounting parts and the brake bottom plate connecting part are positioned at two ends of the torsion beam body, and the mounting parts extend towards the Z-direction in a transitional manner and are connected with mounting points of the rear suspension main body; the brake bottom plate connecting part transitionally extends towards the Y direction, and the end part of the brake bottom plate connecting part is provided with a rear wheel tread Y-direction expansion section for adjusting the Y-direction size of the rear wheel tread; the two rear shock absorbers are arranged at intervals along the Y direction and comprise spring parts and sliding column parts, the spring parts are arranged on the inner sides of the connecting parts of the brake bottom plates, and the top parts of the spring parts are connected with spring mounting points in the Z direction; the sliding column part is connected with the spring part in the X direction, and the top of the sliding column part is connected with the mounting upper point of the rear shock absorber in the Z direction; in the scheme, the rear suspension assembly is designed, so that the rear suspension assembly has higher universality, can be adapted to multiple two-wheel-drive vehicle types of A0/A00 level, and meets Y-direction expansion requirements between vehicle types of A0/A00 level.

In a further aspect of the utility model, the rear suspension assembly includes two trailing arms, two rear shock absorbers, a trailing arm mount, and a rear subframe; the two longitudinal arm installation seats are arranged at intervals along the Y direction, and the two longitudinal arms are arranged at intervals along the Y direction and are positioned between the two longitudinal arm installation seats; one end of the longitudinal arm is rotationally connected with the bottom of the rear auxiliary frame, and the other end of the longitudinal arm is rotationally connected with the longitudinal arm mounting seat; the longitudinal arm mounting seat comprises a brake bottom plate connecting part and a mounting part which is in Z-direction transition, wherein the brake bottom plate connecting part is arranged in Y-direction, and the mounting part is connected with a rear suspension main body mounting point; the two rear shock absorbers are arranged at intervals along the Y direction, each rear shock absorber comprises a spring part and a sliding column part, the spring parts are arranged on the inner side of the longitudinal arm mounting seat along the Y direction, and the tops of the spring parts are connected with spring mounting points; the bottom of the sliding column part is connected with the longitudinal arm mounting seat along the X direction, and the top of the sliding column part is connected with the mounting upper point of the rear shock absorber. Through the design to the rear suspension assembly in this scheme for the rear suspension assembly has higher commonality, can adapt to multiple four-wheel drive motorcycle type of A0/A00 level.

In a further scheme of the utility model, the rear end assembly further comprises a underfloor cross beam arranged along the Y direction, the underfloor cross beam is connected with the front section of the rear floor and the bottom of the rear section of the rear floor, and rear auxiliary frame mounting points arranged at intervals along the Y direction are arranged at the bottom of the underfloor cross beam in the Z direction and are used for mounting the rear auxiliary frames.

The utility model further provides an automobile, comprising the automobile platform.

Compared with the prior art, the automobile platform and the automobile capable of being expanded in the Y direction have the following beneficial effects:

through carrying out optimal design to the structure of car platform for car platform can adapt to multiple car motorcycle types of A0/A00 level, can realize Y to expanding the regulation through the front end Y of car platform to expanding module, main part Y to expanding module and rear end Y to expanding module between each motorcycle type, and car platform modularization and universalization degree are high, can realize software and hardware and keep in service when expanding the regulation to the Y to expanding between each motorcycle type, thereby need not to develop and a large amount of performance test to single motorcycle type any more, cost when effectively having reduced A0/A00 level Y to expanding, performance development risk, simultaneously make development cycle obtain shortening.

The automobile platform comprises a front end Y-direction expansion module, a main body Y-direction expansion module and a rear end Y-direction expansion module which are sequentially arranged along the X direction; the front end Y-direction expansion module comprises a front end assembly, a front auxiliary frame and a front suspension assembly, the front auxiliary frame is connected with the front end assembly in the Z direction, the front section assembly is designed to be beneficial to the modularized connection main body Y-direction expansion module of the front end Y-direction expansion module, and the front auxiliary frame can provide a fixed installation position for the front suspension assembly of the automobile platform, so that the rigidity and the stability of the automobile are improved; two swing arm installation parts are arranged on the front auxiliary frame at intervals along the Y direction, each swing arm installation part comprises a preset Y-direction expansion area and a swing arm installation point arranged in the Y-direction expansion area, each swing arm installation point is arranged to be adjustable in the Y direction on the basis of the Y-direction expansion area, and the front suspension assembly is connected with each swing arm installation point and used for adjusting the front wheel track in the Y direction; through the design of two swing arm installation parts of front auxiliary frame, each motorcycle type of A0/A00 level is in Y when expanding, and front suspension assembly is connected in the swing arm mounting point, through adjusting the Y to the interval of the swing arm mounting point on two swing arm installation parts in Y to the expansion zone, realizes the holistic Y of front suspension assembly to the size expansion regulation, and then realizes the Y of front wheel base to expanding regulation between each motorcycle type.

The main body Y-direction expansion module comprises two threshold side beams and a front floor assembly, wherein the two threshold side beams are arranged at intervals along the Y direction, the front floor assembly is connected between the two threshold side beams, and the threshold side beams are connected with the front end assembly in the X direction and are arranged to be adjustable in the Y direction; through the design of the main body Y-direction expansion module, when the Y-direction expansion adjustment is carried out among all vehicle types, the front floor assembly is universal, and the Y-direction expansion adjustment of the main body Y-direction expansion module is realized by adjusting the whole Y-direction dimension of the threshold side beams connected to the two sides of the front floor assembly in the Y-direction.

The rear end Y-direction expansion module comprises a rear end assembly and a rear suspension assembly, the rear end assembly is connected with the front floor assembly downwards, the bottom of the rear end assembly is provided with a rear suspension universal mounting part, and the rear suspension assembly is connected with the rear suspension universal mounting part in the Z direction; the design of the universal mounting part of the rear suspension can enable more types of rear suspension assemblies to be matched among all vehicle types of A0/A00 level, so that the degree of universality of an automobile platform is improved, and meanwhile Y-direction expansion adjustment of rear wheel tracks is realized.

According to the automobile platform, the front end Y-direction expansion module, the main body Y-direction expansion module and the rear end Y-direction expansion module are designed, so that Y-direction expansion adjustment can be respectively carried out on the front wheel tread, the middle section of the automobile platform and the rear wheel tread according to different size requirements among automobile types of A0/A00 level, the modularization and universalization degree of the automobile platform are greatly improved, and software and hardware can be realized when the automobile platform is adapted to various automobile types of A0/A00 level, so that the manufacturing cost is reduced, the performance risk is reduced, and the development period is shortened.

Other features and advantages of the Y-scalable platform and vehicle provided by the utility model are further described in the detailed description section that follows.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described below. It will be apparent that the figures in the following description are some embodiments of the present application, and that other figures can be obtained from these figures without inventive effort to those skilled in the art.

Fig. 1 is a schematic diagram of an overall structure of an automotive platform according to an embodiment of the present application;

fig. 2 is a schematic view of a part of the structure of an automotive platform according to an embodiment of the present application;

FIG. 3 is a bottom view of a front end assembly provided in an embodiment of the present application;

fig. 4 is a top view of a front subframe and a lower swing arm provided in an embodiment of the present application;

FIG. 5 is a top view of a front subframe and a lower swing arm provided in an embodiment of the present disclosure;

fig. 6 is a schematic view of the overall structure of the a-pillar and the dash panel according to the embodiment of the present application;

FIG. 7 is an X-Y plane cross-sectional view of an A-pillar provided in an embodiment of the present application;

FIG. 8 is an X-Y plane cross-sectional view of an A-pillar provided in an embodiment of the present application;

fig. 9 is a schematic structural diagram of a front subframe according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a front suspension assembly and a front subframe provided in an embodiment of the present application;

FIG. 11 is a schematic view of a partial structure of a front suspension assembly according to an embodiment of the present application;

FIG. 12 is a schematic view of a partial structure of a front suspension assembly according to an embodiment of the present application;

FIG. 13 is a top view of a front end assembly and a front subframe provided in an embodiment of the present application;

FIG. 14 is a top view of a front end assembly and a front subframe provided in an embodiment of the present application;

fig. 15 is a schematic structural diagram of a part of a main body Y-direction expansion module according to an embodiment of the present application;

fig. 16 is a schematic view of a part of a structure X of a main body Y-direction expansion module provided in an embodiment of the present application;

FIG. 17 is a partial Y-Z plane cross-sectional view of a main body Y-direction expansion module provided by an embodiment of the present application;

FIG. 18 is a partial Y-Z plane cross-sectional view of a main body Y-direction expansion module provided by an embodiment of the present application;

fig. 19 is a schematic diagram of the overall structure of the back-end Y-direction expansion module according to the embodiment of the present application;

FIG. 20 is a schematic view of the overall structure of a rear suspension assembly provided in an embodiment of the present application;

FIG. 21 is a top view of a rear suspension assembly provided in an embodiment of the present application;

FIG. 22 is a schematic view of the overall structure of a rear suspension assembly provided in an embodiment of the present application;

fig. 23 is a schematic overall structure of a rear end Y-direction expansion module according to an embodiment of the present disclosure;

FIG. 24 is a bottom view of a back end assembly provided in an embodiment of the present application;

FIG. 25 is a side view of a back end assembly provided in an embodiment of the present application;

FIG. 26 is a schematic view of the installation of a rear subframe provided in an embodiment of the present application;

fig. 27 is a schematic block diagram of an automobile according to an embodiment of the present application.

The reference numerals are as follows:

10. an automotive platform; 100. the front end Y-direction expansion module; 110. a front end assembly; 111. a dash panel; 112. a column A; 1121. a column A inner plate; 1122. a pillar outer panel; 1123. a column A spigot; 1124. a column A cavity; 1125. the Y-direction dimension of the column A cavity; 113. a front side member; 1131. a third connection point; 114. a front cross member; 1141. a first connection point; 1142. a second connection point; 116. a front wheel cover plate; 117. front shock absorber turret; 1171. a front shock absorber mounting plate; 1172. mounting an upper point on the front shock absorber; 120. a front subframe; 121. a swing arm mounting portion; 1213. the swing arm is provided with a cavity; 1211. a Y-direction expansion area; 1212. a swing arm mounting point; 1214. a first mating point; 1215. a second mating point; 1216. a third mating point; 1217. a transverse pull rod mounting seat; 1218. a steering rod mounting seat; 122. an intermediate section; 130. a front suspension assembly; 131. a lower swing arm; 132. a front knuckle; 1321. expanding a thickness area in the Y direction; 133. a front shock absorber; 134. a front brake plate; 135. a steering lever; 136. a cross pull rod;

200. A main body Y-direction expansion module; 210. a rocker edge beam; 211. a rocker inner panel; 212. a threshold reinforcing plate; 213. a threshold outer plate; 214. a threshold spigot; 215. a side beam cavity; 2151. the Y-direction dimension of the boundary beam cavity; 220. a front floor assembly; 221. a front floor; 222. a battery pack assembly;

300. the rear end Y-direction expansion module; 310. a rear end assembly; 311. a rear side member; 312. a rear wheel cover plate; 313. a rear floor front section; 314. a rear floor rear section; 320. a rear suspension universal mounting section; 321. a rear suspension body mounting point; 322. a spring mounting point; 323. mounting an upper point of the rear shock absorber; 330. a rear suspension assembly; 331. a torsion beam; 3310. a torsion beam body; 3311. a mounting part; 3312. a brake pad connection portion; 3313. a rear wheel track Y-direction expansion section; 332. a rear shock absorber; 3321. a spring part; 3322. a spool portion; 333. a trailing arm; 334. a trailing arm mount; 335. a rear subframe; 340. a floor underbeam; 350. a rear subframe mounting point;

1000. an automobile.

Detailed Description

In the description of the present application, it should be understood that, if there are descriptions of terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientation or positional relationship, it should be understood that the orientation or positional relationship shown based on the drawings is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present application.

Furthermore, the presence of features defining "first" and "second" for descriptive purposes only, should not be interpreted as indicating or implying a relative importance or implicitly indicating the number of features indicated. Features defining "first", "second" may include at least one such defined feature, either explicitly or implicitly. If a description of "a plurality" is present, the generic meaning includes at least two, e.g., two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," and the like, are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements or interaction relationship between two elements. The specific meaning of the terms in the present application can be understood by those skilled in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., as used herein, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It should be noted that, the description of the coordinates such as "X direction, Y direction, Z direction" and the like mentioned in the present application is explained with reference to the whole vehicle coordinate system, that is, the straight line where the vehicle head direction is located is taken as the X direction, the axial direction of the front wheel is taken as the Y direction, and the direction perpendicular to the ground is taken as the Z direction. The coordinate descriptions of the X direction, the Y direction, the Z direction and the like mentioned in the application are all explained with reference to the whole vehicle coordinate system, namely, the straight line where the vehicle head direction is located is taken as the X direction, the axial direction of the front wheel is taken as the Y direction, and the direction perpendicular to the ground is taken as the Z direction. As referred to herein, "front track" refers to the distance between the centerlines of the two front centers of the vehicle 1000 and "rear track" refers to the distance between the centerlines of the two rear centers of the vehicle 1000.

In view of the foregoing, the present general inventive concept provides a vehicle platform 10 capable of expanding in a Y direction, by optimally designing a structure of the vehicle platform 10, the vehicle platform 10 can be adapted to a plurality of vehicle types of A0 and a00 level, and when realizing Y-direction expansion adjustment between each vehicle type, separate structural design and performance development test for each vehicle type are not required, so as to solve the problems of lower modularization and universalization degree between each vehicle type, lower software and hardware use and reference, higher cost during Y-direction expansion caused by less software and hardware use, higher performance development risk and longer development period.

Referring to fig. 1 to 27, the embodiment of the present utility model firstly provides an automobile platform 10 capable of expanding in a Y direction, wherein the automobile platform 10 comprises a front end Y direction expanding module 100, a main body Y direction expanding module 200 and a rear end Y direction expanding module 300 which are sequentially arranged in an X direction;

the front end Y-direction expansion module 100 comprises a front end assembly 110, a front auxiliary frame 120 and a front suspension assembly 130, wherein the front auxiliary frame 120 is connected with the front end assembly 110 in the Z direction, two swing arm installation parts 121 are arranged on the front auxiliary frame 120 at intervals along the Y direction, each swing arm installation part 121 comprises a preset Y-direction expansion area 1211 and a swing arm installation point 1212 arranged in the Y-direction expansion area 1211, the swing arm installation point 1212 is arranged to be adjustable in the Y direction on the basis of the Y-direction expansion area 1211, and the front suspension assembly 130 is connected with the swing arm installation point 1212 and used for adjusting the front wheel tread in the Y direction;

the main body Y-direction expansion module 200 includes two rocker edge beams 210 and a front floor assembly 220, the two rocker edge beams 210 are arranged at intervals along the Y-direction, the front floor assembly 220 is connected between the two rocker edge beams 210, and the rocker edge beams 210 are connected with the front end assembly 110 in the X-direction and are arranged to be adjustable in the Y-direction;

the rear end Y-direction expansion module 300 comprises a rear end assembly 310 and a rear suspension assembly 330, wherein the rear end assembly 310X is connected with the front floor assembly 220, the bottom of the rear end assembly 310 is provided with a rear suspension universal mounting part 320, and the rear suspension assembly 330Z is connected with the rear suspension universal mounting part 320.

It can be understood that the automobile platform 10 in this embodiment mainly includes three components, namely a front end Y-direction expansion module 100, a main body Y-direction expansion module 200 and a rear end Y-direction expansion module 300, which are sequentially arranged along the X-direction, so as to adapt to an A0/a 00-level automobile model and respectively realize Y-direction expansion adjustment of a front wheel track, a middle section of the automobile platform 10 and a rear wheel track between each automobile model; the front end Y-direction expansion module 100 comprises a front end assembly 110, a front auxiliary frame 120 and a front suspension assembly 130, wherein the front end assembly 110X-direction is connected with the main body Y-direction expansion module 200, the front auxiliary frame 120Z-direction is connected to the bottom of the front end assembly 110, the front suspension assembly 130Z-direction is arranged between the front end assembly 110 and the front auxiliary frame 120, two swing arm installation parts 121 are arranged on the front auxiliary frame 120 at intervals along the Y-direction, each swing arm installation part 121 comprises a preset Y-direction expansion area 1211 and a swing arm installation point 1212 arranged in the Y-direction expansion area 1211, the swing arm installation point 1212 is arranged to be adjustable along the Y-direction on the Y-direction expansion area 1211, and the front suspension assembly 130 is connected with the swing arm installation point 1212; through the structural design of the front auxiliary frame 120, the front suspension assembly 130 is used as an important component for connecting a vehicle body and a front wheel, when the Y-direction expansion of the front wheel track is carried out on each vehicle type, the front suspension assembly 130 can be adjusted in the Y-direction of each Y-direction expansion area 1211 based on the swing arm mounting points 1212 on the two swing arm mounting parts 121, so that the Y-direction expansion adjustment of the whole size of the front suspension assembly 130 is realized, and the Y-direction expansion adjustment of the front wheel track is further realized; the main body Y-direction expansion module 200 comprises two threshold side beams 210 and a front floor assembly 220, the two threshold side beams 210 are arranged at intervals along the Y direction, the front floor assembly 220 is connected between the two threshold side beams 210, the front floor assembly 220 and the threshold side beams 210 are simultaneously connected with the front end assembly 110 and the rear end Y-direction expansion module 300 in the X direction and the front and rear directions, the threshold side beams 210 are designed to be capable of being adjusted in the Y direction, so that the front floor assembly 220 is universal in structure when each vehicle type is expanded and adjusted in the Y direction, and the Y-direction expansion and adjustment of the middle section of the main body of the platform can be realized only by adjusting the whole Y-direction size of the threshold side beams 210; the rear end Y-direction expansion module 300 comprises a rear end assembly 310 and a rear suspension assembly 330, wherein the front end X of the rear end assembly 310 is connected with the threshold side beam 210 and the front floor assembly 220, the bottom of the rear end assembly 310 is provided with a rear suspension universal mounting part 320, the rear suspension assembly 330Z is connected to the rear suspension universal mounting part 320, the rear suspension universal mounting part 320 can be adapted to various rear suspensions, when Y-direction expansion adjustment is carried out among various vehicle types, the rear end assembly 310 is universal, and the expansion adjustment of the rear wheel track can be realized by adjusting the whole Y-direction size of the rear suspension assembly 330.

In summary, the automobile platform 10 capable of being expanded in the Y direction provided by the embodiment of the utility model enables the front wheel tread, the middle section of the automobile platform 10 and the rear wheel tread to be respectively expanded and regulated in the Y direction according to different size requirements between all automobile types of the A0/A00 level by designing the front end Y-direction expansion module 100, the main body Y-direction expansion module 200 and the rear end Y-direction expansion module 300, so that the modularization and the universalization degree of the automobile platform 10 are greatly improved, and software and hardware can be realized when the automobile platform is adapted to various automobile types of the A0/A00 level, so that the manufacturing cost is reduced, the performance risk is reduced, and the development period is shortened.

Each structure is explained in detail below.

Front-end Y-direction expansion Module 100

Referring to fig. 2 to 14, in an alternative embodiment of the present utility model, a front end assembly 110 of the front end Y-direction expansion module 100 includes a dash panel 111, two a-pillars 112, and two front stringers 113; the two A columns 112 are arranged at intervals along the Y direction and are respectively connected with the corresponding threshold side beams 210X direction; the A-pillar 112 includes an A-pillar inner plate 1121 and an A-pillar outer plate 1122, the A-pillar inner plate 1121 and the A-pillar outer plate 1122 being Y-connected and formed with an X-direction A-pillar spigot 1123, the A-pillar spigot 1123 being provided so as to be Y-direction adjustable; the dash panel 111 is disposed between the two a-pillars 112, connected to the a-pillar inner panel 1121; the two front side members 113 are arranged at intervals in the Y direction and are connected to the end X direction of the dash panel 111 remote from the rocker side member 210.

In this embodiment, the front end assembly 110 includes a dash panel 111, two a-pillars 112, and two front side rails 113; two sides of the front wall plate 111 are respectively connected with the front ends of the inner surfaces of the two A columns 112 in the Y direction, and the two front longitudinal beams 113 are arranged at intervals along the Y direction and are connected with the bottom of the front end of the front wall plate 111; the a pillar 112 includes an a pillar outer plate 1122 and an a pillar inner plate 1121, the front and rear ends of the a pillar outer plate 1122 and the a pillar inner plate 1121 are connected in the Y direction, two a pillar spigots 1123 are formed respectively, an a pillar cavity 1124 is formed between the two a pillar spigots 1123, the a pillar spigots 1123 are designed to be adjustable in the Y direction, and the overall Y-direction size of the a pillar cavity 1124 is adaptively adjusted along with the Y-direction adjustment of the a pillar spigots 1123, so as to adapt to the Y-direction adjustment of the main body Y-direction expansion module 200, and realize different vehicle width requirements.

In one embodiment, the A0-class vehicle model and the A00-class vehicle model dash panel 111 are commonly used with the two front side members 113, the A-pillar seam allowance 1123 of the A00-class vehicle model is adjusted by 30mm in the Y direction relative to the A0-class vehicle model, the A-pillar inner panel 1121 is simultaneously adjusted by 30mm in the Y direction, and the A-pillar outer panel 1122 is adjusted by 50mm in the Y direction relative to the A0-class vehicle model; the Y-direction dimension 1125 of the A column cavity of the A0 level vehicle model is 90mm, and the Y-direction dimension 1125 of the A column cavity of the A00 level vehicle model is 70mm, so that the overall Y-direction adjustment of 100mm between the A0/A00 level vehicle models is realized, and the requirement of load resistance is met.

In a further scheme of the embodiment of the utility model, the front subframe 120 of the front end Y-direction expansion module 100 further comprises a middle section 122, and the middle section 122 is connected between two swing arm mounting parts 121; the swing arm installation part 121 is provided with a swing arm installation cavity 1213 along the Y direction, two Y-direction expansion areas 1211 are arranged at intervals along the X direction, and are arranged on the swing arm installation cavity 1213 along the Z direction, and the two left and right side swing arm installation parts 121 are provided with four Y-direction expansion areas 1211, two on each side.

In this embodiment, the front subframe 120 of the front end Y-direction expansion module 100 further includes a middle section 122, where the middle section 122 is plate-shaped and is connected between two swing arm installation parts 121, the swing arm installation parts 121 are provided with swing arm installation cavities 1213 facing outward along the Y direction, the Y-direction expansion areas 1211 are oval, two are arranged at intervals along the X direction, and the Z-directions are arranged on the swing arm installation cavities 1213, so that after the lower swing arm 131 of the front suspension assembly 130 is installed in the swing arm installation cavities 1213, the lower swing arm 131 of the front suspension assembly 130 is fixed in the Z-directions through the swing arm installation points 1212 on the Y-direction expansion areas 1211, and as the swing arm installation points 1212 are adjustable in the Y-directions on the Y-direction expansion areas 1211, the lower swing arm 131 of the front suspension assembly 130 is adjustable in the Y-directions in the swing arm installation cavities 1213.

In a further scheme of the embodiment of the present utility model, the front end assembly 110 of the front end Y-direction expansion module 100 further includes a front cross member 114, the front cross member 114 is disposed at the bottom of the front coaming 111, a first connection point 1141 and a second connection point 1142 are disposed at the bottom of the front cross member 114 at intervals along the Y-direction, and a third connection point 1131 is disposed at the bottom of the front longitudinal beam 113; the swing arm mounting part 121 is correspondingly provided with a first matching contact 1214, a second matching contact 1215 and a third matching contact 1216, the first matching contact 1214 and the second matching contact 1215 are arranged at one end of the swing arm mounting part 121 in the X direction and are arranged at intervals along the Y direction, and the third matching contact 1216 is positioned between the two Y-direction expansion areas 1211; the first mating contact 1214 is Z-adaptively connected to the first connection point 1141, the second mating contact 1215 is Z-adaptively connected to the second connection point 1142, and the third mating contact 1216 is Z-adaptively connected to the third connection point 1131 to connect the front subframe 120 to the front end assembly 110.

In this embodiment, the front cross member 114Y is disposed at the bottom of the front dash panel 111, two first connection points 1141 and two second connection points 1142 are disposed at intervals along the Y direction at the bottom of the front cross member 114, the two second connection points 1142 are located in the two first connection points 1141, and a third connection point 1131 is designed at the bottom of the front longitudinal member 113; the swing arm mounting portion 121 of the front subframe 120 is correspondingly designed with a first matching contact 1214, a second matching contact 1215 and a third matching contact 1216, wherein the first matching contact 1214 and the second matching contact 1215 are positioned at the same end of the swing arm mounting portion 121X in the Y direction and are arranged at intervals, the second matching contact 1215 is closer to the middle section 122 than the first matching contact 1214, and the third matching contact 1216 is positioned between two Y-direction expansion areas 1211 of the same swing arm mounting portion 121 and is closer to the Y-direction expansion area 1211 far from the first matching contact 1214 and the second matching contact 1215; the first mating contact 1214 is Z-adaptively connected to the first connection point 1141, the second mating contact 1215 is Z-adaptively connected to the second connection point 1142, and the third mating contact 1216 is Z-adaptively connected to the third connection point 1131, such that the front subframe 120 is Z-directionally connected to the front end assembly 110.

In a further scheme of the embodiment of the utility model, two front suspension assemblies 130 of the front end Y-direction expansion module 100 are arranged at intervals along the Y direction, and the front suspension assemblies 130 comprise a lower swing arm 131, a front knuckle 132 and a front shock absorber 133; one end of the lower swing arm 131 is connected with the knuckle in the Z direction, and the other section is inserted into the swing arm mounting cavity 1213 and is fixedly connected with the front auxiliary frame 120 based on the swing arm mounting point 1212; the front knuckle 132 is Z-connected to the front shock absorber 133, and the front knuckle 132 is pre-set with a Y-expanded thickness region 1321 for Y-dimension adjustment.

In this embodiment, two front suspension assemblies 130 are designed at intervals along the Y direction, and the front suspension assemblies 130 include a lower swing arm 131, a front knuckle 132 and a front shock absorber 133, wherein one end of the lower swing arm 131 is connected with the front knuckle 132 in the Z direction, and the other end of the lower swing arm 131 is inserted in a swing arm mounting cavity 1213 in the X direction and fixedly connected with the front subframe 120 based on a swing arm mounting point 1212, so that the lower swing arm 131 can perform Y-direction expansion adjustment along with the swing arm mounting point 1212, and the front suspension assemblies 130 can perform Y-direction expansion adjustment to realize Y-direction expansion adjustment of a front track; front knuckle 132Z connects preceding shock attenuation, and the outside of front knuckle 132 is used for Y to connect front brake plate 134, and front knuckle 132 has been preset to expand thickness district 1321 in the Y to the size of expanding thickness district 1321 in the Y to further carry out Y to the regulation to the front track.

In a further scheme of the embodiment of the utility model, a steering rod 135 and a tie rod 136 are also designed between the two front suspension assemblies 130 of the front end Y-direction expansion module 100, and the lengths of the steering rod 135 and the tie rod 136 are set to be adjustable in the Y direction; a tie rod 136 and a steering rod 135 are arranged between the two knuckles; the swing arm mounting portion 121 is further provided with a tie rod mount 1217 and a steering rod mount 1218, the tie rod mount 1217 being adjacent to the intermediate section 122, the tie rod mount 1217 being provided with tie rod 136 mounting points, the steering rod mount 1218 being disposed adjacent to the tie rod mount 1217 at intervals along the X-direction.

In this embodiment, a steering rod 135 and a tie rod 136 are further designed between the two front suspension assemblies 130, and the lengths of the steering rod 135 and the tie rod 136 are designed to be adjustable in the Y direction so as to adapt to the Y-direction expansion adjustment of the front wheel track, and the steering rod 135 and the tie rod 136 are respectively used for steering and controlling the running direction of the vehicle, reducing the inclination of the vehicle body, and improving the stability and the operability of the vehicle 1000; the swing arm installation part 121 is also provided with a tie rod installation seat 1217 and a steering rod installation seat 1218, the tie rod 136 installation part 3311 is arranged between the Y-direction expansion area 1211 close to the first connection point 1141 and the second connection point 1142 and the middle section 122, the tie rod 136 installation part 3311 is provided with two tie rod 136 installation points which are arranged at intervals along the X direction, and the tie rod 136 is installed between the two tie rod 136 installation points; a steering rod mount 1218 is disposed between the third connection point 1131 and the tie rod 136 mount 3311, and the steering rod 135 is disposed on the steering rod mount 1218 in the Z-direction.

In a further aspect of the embodiment of the present utility model, the front end assembly 110 of the front end Y-direction expansion module 100 further includes a front wheel cover plate 116 and a front shock absorber turret 117; the front wheel cover plate 116 is provided with two front wheel cover plates at intervals along the Y direction and is respectively connected with the front coaming 111; the front absorber turret 117 is disposed between the front wheel cover plate 116 and its adjacent front side rails 113, a front absorber mounting plate 1171 is provided on the front absorber turret 117, a front absorber mounting upper point 1172 is provided on the front absorber mounting plate 1171 in the Z-direction, the front absorber mounting upper point 1172 is adjustable on the front absorber mounting plate 1171 in the Y-direction, and the front absorber mounting upper point 1172 is used for connecting the front absorber 133.

In this embodiment, the front end assembly 110 further includes a front wheel cover plate 116 and a front shock absorber turret 117, where the front wheel cover plate 116 is designed to be two in a Y-direction at intervals and is connected to two sides of the front wall plate 111, the front shock absorber turret 117 is designed to be two in number and is arranged between the front wheel cover plate 116 and the front side member 113 adjacent thereto, a front shock absorber mounting plate 1171 is provided on top of the front shock absorber turret 117, a front shock absorber mounting upper point 1172 is provided on the front shock absorber mounting plate 1171 in a Z-direction, the front shock absorber mounting upper point 1172 is adjustable on the front shock absorber mounting plate 1171 in a Y-direction, the front shock absorber 133 is installed on the front shock absorber mounting upper point 1172 of the front shock absorber mounting plate 1171 in a Z-direction, and the front shock absorber 133 is adjustable on the front shock absorber mounting upper point 1171 in a Y-direction along with the front shock absorber mounting upper point 1172, so as to realize the Y-direction expansion adjustment.

[ Main body Y-direction expansion Module 200 ]

Referring to fig. 2 and 15 to 18, in an alternative embodiment of the present utility model, a rocker edge beam 210 of a main body Y-direction expansion module 200 includes a rocker inner panel 211, a rocker reinforcement panel 212 and a rocker outer panel 213; the rocker inner panel 211, the rocker reinforcement panel 212 and the rocker outer panel 213 are connected in the Y direction and together form a rocker seam allowance 214 in the Z direction, and the rocker inner panel 211 and the rocker outer panel 213 are provided with a rocker cavity 215 in the Z direction of the rocker seam allowance 214, the rocker cavity 215 and the rocker seam allowance 214 being arranged to be adjustable in the Y direction.

In this embodiment, the rocker edge beam 210 includes a rocker inner plate 211, a rocker reinforcing plate 212 and a rocker outer plate 213, the rocker inner plate 211, the rocker reinforcing plate 212 and the rocker outer plate 213 are sequentially connected along the Y direction, the upper and lower ends of each are extended along the Z direction and jointly form two rocker seam allowance 214 along the Z direction, the rocker outer plate 213 and the rocker reinforcing plate 212 are in an outward convex shape, the rocker inner plate 211 is in a concave shape in the Y direction, and the concave outer surface of the rocker inner plate 211 is connected with the front floor assembly 220 in the Y direction; the two threshold rabbets 214 are respectively positioned at the top and the bottom of the boundary beam cavity 215, and the boundary beam cavity 215 and the threshold rabbets 214 are arranged to be adjustable in the Y direction; when the rocker 210Y expands and adjusts, the concave outer surfaces of the two rocker inner plates 211 are fixed, the rocker inner plates 211, the rocker reinforcing plates 212 and the rocker seam allowance 214 at the top of the rocker outer plate 213 expand and adjust in the Y direction, and the Y-direction size 2151 of the rocker cavity is adjusted at the same time, so that the whole Y-direction size of the rocker 210 is expanded and adjusted.

In an alternative embodiment of the present utility model, the front floor assembly 220 of the main body Y-direction expansion module 200 includes a front floor 221 and a battery pack assembly 222; the front floor 221 is covered on the battery pack assembly 222, and the front floor 221 and the battery pack assembly 222 are connected with the threshold inner plate 211 in the Y direction respectively.

In this embodiment, the front floor assembly 220 includes a front floor 221 and a battery pack assembly 222, the front floor 221 is covered on the top of the battery pack assembly 222, and the front floor 221 and the battery pack assembly 222 are respectively connected with the door sill inner plate 211 in the Y direction; the front floor 221 is provided with a seat cross member, the front floor 221 can provide a front seat installation position for each vehicle model, and the battery pack assembly 222 is used for providing kinetic energy for the vehicle 1000.

In a specific embodiment, when the automobile platform 10 is adapted to each automobile model of the A0/a00 level, the distance between the inner threshold plates 211 of each automobile model of the A0/a00 level is 1220mm, so as to ensure enough Y-direction space of the battery pack assembly 222, the Y-direction dimension 2151 of the boundary beam cavity of the automobile model of the A0 level is 145mm, the Y-direction dimension 2151 of the boundary beam cavity of the automobile model of the a00 level is 87mm, and the front floor assembly 220Y-direction adjustment of the threshold spigot 214 at the top of the automobile model of the a00 level is 30mm relative to the threshold spigot 214 at the top of the automobile model of the A0 level, thereby realizing expansion adjustment of the whole Y-direction dimension 116mm of the middle section of the main body of the automobile platform 10 between automobile models of the A0/a00 level.

[ Back-end Y-direction expansion Module 300 ]

Referring to fig. 2 and 19-26, in an alternative embodiment of the present utility model, the rear end assembly 310 of the rear end Y-direction expansion module 300 includes two rear stringers 311, two rear wheel cover plates 312, a rear floor front section 313 and a rear floor rear section 314; the two rear wheel cover plates 312 are arranged at intervals along the Y direction, the two rear longitudinal beams 311 are arranged between the rear wheel cover plates 312 at intervals along the Y direction, and the rear wheel cover plates 312 are connected with the adjacent rear longitudinal beams 311 along the Y direction; the rear floor front section 313 and the rear floor rear section 314X are connected in the X direction and are arranged together between the two rear stringers 311; the rear suspension universal mount 320 includes a rear suspension body mounting point 321, a spring mounting point 322, and a rear shock absorber mounting upper point 323; the bottom of the rear longitudinal beam 311 is provided with a rear suspension body mounting point 321 and a spring mounting point 322 which are arranged along the X direction at intervals, the rear suspension body mounting point 321 is adjacent to the front end of the rear floor, and the spring mounting point 322 is adjacent to the junction of the front section 313 of the rear floor and the rear section 314 of the rear floor; the rear wheel cover plate 312 is provided with a rear absorber mounting upper point 323 in the Z-direction, and the Y-direction of the rear absorber mounting upper point 323 is projected onto the rear floor rear section 314.

In this embodiment, the rear end assembly 310 includes two rear stringers 311, two rear wheel cover plates 312, a rear floor front section 313 and a rear floor rear section 314; the two rear wheel cover plates 312 are arranged at intervals along the Y direction, the inner side Y direction of the rear wheel cover plates 312 is connected to the outer side of the rear longitudinal beam 311, a rear shock absorber mounting upper point 323 is designed at the bottom Z direction of the rear wheel cover plates 312, the rear shock absorber mounting upper point 323 is used for mounting a rear shock absorber 332 of the rear suspension assembly 330, and a mounting position is provided for the top of the rear shock absorber 332; one end X of the rear floor front section 313 is connected to the front floor 221 and the other end X is connected to the rear floor rear section 314, the rear floor front section 313 and the rear floor rear section 314 being arranged between the two rear stringers 311 for providing mounting points for the rear row seats of the vehicle 1000. Referring to fig. 24, the rear suspension universal mounting portion 320 includes a rear suspension body mounting point 321, a spring mounting point 322 and a rear shock absorber mounting upper point 323, the rear suspension body mounting point 321 is disposed at the bottom of the rear longitudinal beam 311, and the Y direction is close to the rear floor front section 313, the spring mounting point 322 is disposed at the bottom of the rear longitudinal beam 311, and the Y direction is close to the connection point of the rear floor front section 313 and the rear floor front end, the spring mounting point 322 is designed symmetrically along the X direction, two groups of the left and right sides are preset, each group of the spring mounting points 322 is two in total, and are adjacent in the X upward position, so as to facilitate matching different rear suspensions, the bottom of the rear suspension body mounting point 321 is connected with the rear suspension assembly 330 in the Z direction, and the bottom of the spring mounting point 322 is used for mounting the spring portion 3321 of the rear suspension assembly 330 in the Z direction.

Referring to fig. 20 and 21, in an alternative embodiment of the present utility model, a rear suspension assembly 330 includes a torsion beam 331 and two rear shock absorbers 332; the torsion beam 331 includes a torsion beam body 3310, and mounting portions 3311 and a brake pad connecting portion 3312 at both ends of the torsion beam body 3310, the mounting portions 3311 extending in the transition direction Z and connecting the rear suspension body mounting points 321; the brake pad connecting part 3312 extends towards the Y direction in a transition way, and the end part of the brake pad connecting part 3312 is provided with a rear wheel tread Y direction expansion section 3313 for adjusting the Y direction size of the rear wheel tread; the two dampers are arranged at intervals along the Y direction, the rear damper 332 comprises a spring portion 3321 and a strut portion 3322, the spring portion 3321 is arranged on the inner side of the brake pad connecting portion 3312, and the top portion Z direction of the spring portion 3321 is connected with the spring mounting point 322; the strut portion 3322 is connected to the spring portion 3321X in the Z direction, and the top portion of the strut portion 3322 is connected to the rear damper mounting upper point 323.

In this embodiment, the rear suspension assembly 330 includes a torsion beam 331 and two rear shock absorbers 332; the torsion beam 331 is arranged in the Y direction, and the torsion beam 331 includes a torsion beam body 3310, two mounting portions 3311, and two brake shoe connecting portions 3312; the two mounting portions 3311 are located on both sides of the torsion beam body 3310 in the Y-direction and extend in the Z-direction, respectively, and the Z-direction is connected to the rear suspension body mounting point 321 to mount the rear suspension assembly 330 to the rear end assembly 310; the two brake pad connecting parts 3312 extend towards the rear end in the X direction and towards the outer side in the Y direction, a rear wheel tread Y-direction expanding section 3313 and a brake pad mounting surface are arranged at the end parts towards the Y direction, the brake pad mounting surface is arranged on the rear wheel tread Y-direction expanding section 3313, and the Y-direction size of the rear wheel tread Y-direction expanding section 3313 is adjustable, so that the Y-direction size of the brake pad mounting surface can be expanded and adjusted, and the brake pad mounting surface is used for mounting a brake pad and a rear wheel of the automobile 1000, thereby realizing the Y-direction expansion and adjustment of the rear wheel tread; the two rear dampers 332 are arranged at intervals in the Y direction, the rear dampers 332 include a spring portion 3321 and a strut portion 3322, the spring portion 3321 is arranged inside the shoe plate connecting portion 3312, the top portion is connected to the rear spring mounting point 322, the strut portion 3322 is arranged at the rear end of the shoe plate connecting portion 3312, the bottom portion of the strut portion 3322 is connected to the bottom portion X direction of the spring portion 3321, and the top portion is connected to the rear damper mounting point 323X direction. Through the design of the rear suspension assembly 330, the rear end Y-direction expansion module 300 of the automobile platform 10 can be matched with various automobile types of A0/A00 level, and the Y-direction expansion adjustment of the rear wheel track among all the automobile types of A0/A00 level is realized.

Referring to fig. 22 and 23, in another embodiment of the present utility model, a rear suspension assembly 330 includes two trailing arms 333, two rear shock absorbers 332, a trailing arm mount 334 and a rear subframe 335; the two trailing arm mounting seats 334 are arranged at intervals along the Y direction, and the two trailing arms 333 are arranged at intervals along the Y direction and are positioned between the two trailing arm mounting seats 334; one end of the trailing arm 333 is rotatably connected with the bottom of the rear subframe 335, and the other end is rotatably connected with the trailing arm mounting seat 334; the trailing arm mount 334 includes a brake pad connecting portion 3312 provided in the Y-direction and a mounting portion 3311 transiting toward the Z-direction, the mounting portion 3311 being connected to the rear suspension body mounting point 321; the rear shock absorbers 332 are arranged at intervals along the Y-direction, the rear shock absorbers 332 comprise spring parts 3321 and slide column parts 3322, the spring parts 3321 are arranged on the inner side of the trailing arm mounting seat 334 along the Y-direction, and the top parts of the spring parts are connected with the front spring mounting points 322; the bottom of the strut portion 3322 is connected to the trailing arm mount 334 in the X-direction and the top is connected to the rear shock absorber mounting upper point 323.

In this embodiment, the rear suspension assembly 330 includes two trailing arms 333, two rear shock absorbers 332, a trailing arm mount 334 and a rear subframe 335; the two longitudinal arms 333 are arranged at intervals along the Y direction, one end of each longitudinal arm is rotationally connected with the bottom of the rear auxiliary frame 335 in the Y direction, and the other end of each longitudinal arm is rotationally connected with the longitudinal arm mounting seat 334 in the Y direction; the trailing arm mounting seat 334 comprises a brake bottom plate connecting part 3312 designed in the Y direction and a mounting part 3311 positioned at the front end of the brake bottom plate connecting part 3312 and extending towards the Z direction in a transitional way, wherein the mounting part 3311 is connected with the rear suspension body mounting point 321 in the Z direction; the two rear dampers 332 are arranged at intervals along the Y direction, the spring part 3321Y direction of the rear dampers 332 is arranged on the inner side of the trailing arm mounting seat 334, the top part of the spring mounting point 322 is connected with the bottom part of the sliding column part 3322 of the rear dampers 332 along the X direction and is connected with the trailing arm mounting seat 334, and the top part of the sliding column part 3322 of the rear dampers 332 is connected with the rear damper mounting point 323, so that the rear dampers 332 are fixedly connected with the rear end assembly 310; the rear suspension assembly 330 provided in this embodiment is more suitable for a class A0 four-wheel drive vehicle type, so as to facilitate improving the degree of generalization of the vehicle platform 10.

Referring to fig. 26, in a further aspect of the present embodiment, the rear end assembly 310 further includes an underfloor beam 340 disposed along the Y direction, the underfloor beam 340 is connected to the bottoms of the rear underfloor front section 313 and the rear underfloor rear section 314, and rear subframe mounting points 350 disposed along the Y direction at intervals are provided at the bottom of the underfloor beam 340 in the Z direction for mounting the rear subframe 335.

In this embodiment, the underfloor cross member 340 is disposed at the bottom of the connection point of the rear floor front section 313 and the rear floor rear section 314 along the Y direction, two rear subframe mounting points 350 are disposed at intervals along the Y direction at the bottom of the underfloor cross member 340, one rear subframe mounting point 350 is disposed at the bottom of the rear longitudinal member 311 at the same time, the rear subframe mounting point 350 at the bottom of the rear longitudinal member 311 is located between the spring mounting point 322 and the rear suspension body mounting point 321, and the four rear subframe mounting points 350 cooperate to connect the rear subframe 335 in the Z direction.

Referring to fig. 27, an embodiment of the present utility model further provides an automobile 1000, including the automobile platform 10 described above.

In some embodiments of the present utility model, the automobile platform 10 is adapted to an A0 class vehicle model and an a00 class vehicle model, the front tread and the rear tread of the automobile 1000 of the A0 class vehicle model are set to 1450mm, the front tread and the rear tread of the automobile 1000 of the a00 class vehicle model are set to 1310mm, and the inner Y-directional spacing of the two front side rails 113 is generally designed to 750mm. On the basis of the A0-level vehicle type 1000, when the front wheel tread is adjusted in a Y-direction expansion mode, the mounting point of the front shock absorber 133 is adjusted in an inward Y-direction by 40mm, the mounting point 1212Y of the swing arm on the Y-direction expansion area 1211 is moved inwards by 31mm, so that the whole Y-direction movement of the lower swing arm 131 is realized by 31mm, the mounting position Y of the lower swing arm 131 and the front knuckle 132 is reduced by 15mm, the thickness of a Y-direction expansion thickness area 1321 of the front knuckle 132 is reduced by 32mm, the front brake plate 134 is adjusted along with the front knuckle 132 in an adaptive mode, the front shock absorber 133 is moved inwards by 38mm along with the Y-direction, and the Y-direction expansion of 70mm for unilateral adjustment and 140mm for the front wheel tread of an A00-level vehicle type is realized; the length of the tie rod 136 and the steering rod 135 is adaptively adjusted by 140mm; when the rear wheel track Y is expanded and regulated, the Y direction of the rear wheel track Y expansion section 3313 is reduced by 70mm, and the single-side regulation of the brake bottom plate by 70mm is realized, so that the integral regulation of the rear wheel track Y to 140mm is realized.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those skilled in the art within the scope of the application.

Claims

1. The automobile platform (10) capable of expanding in the Y direction is characterized by comprising a front end Y-direction expanding module (100), a main body Y-direction expanding module (200) and a rear end Y-direction expanding module (300) which are sequentially arranged in the X direction;

the front end Y-direction expansion module (100) comprises a front end assembly (110), a front auxiliary frame (120) and a front suspension assembly (130), wherein the front auxiliary frame (120) is connected with the front end assembly (110) in the Z direction, two swing arm installation parts (121) are arranged on the front auxiliary frame (120) at intervals along the Y direction, each swing arm installation part (121) comprises a preset Y-direction expansion area (1211) and a swing arm installation point (1212) arranged in the Y-direction expansion area (1211), the swing arm installation point (1212) is arranged to be adjustable in the Y direction on the basis of the Y-direction expansion area (1211), and the front suspension assembly (130) is connected with the swing arm installation point (1212) and used for adjusting the front wheel track in the Y direction;

the main body Y-direction expansion module (200) comprises two threshold side beams (210) and a front floor assembly (220), wherein the two threshold side beams (210) are arranged at intervals along the Y direction, the front floor assembly (220) is connected between the two threshold side beams (210), and the threshold side beams (210) are connected with the front end assembly (110) in the X direction and are arranged to be adjustable in the Y direction;

The rear end Y-direction expansion module (300) comprises a rear end assembly (310) and a rear suspension assembly (330), wherein the rear end assembly (310) is connected with the front floor assembly (220) in the X direction, a rear suspension universal mounting part (320) is arranged at the bottom of the rear end assembly (310), and the rear suspension assembly (330) is connected with the rear suspension universal mounting part (320) in the Z direction.

2. The Y-expandable automotive platform (10) according to claim 1, wherein the rocker (210) comprises a rocker inner panel (211), a rocker reinforcement panel (212) and a rocker outer panel (213);

the novel door sill comprises a door sill inner plate (211), a door sill reinforcing plate (212) and a door sill outer plate (213) which are connected along the Y direction and jointly form a door sill spigot (214) along the Z direction, wherein an edge beam cavity (215) is formed in the Z direction of the door sill spigot (214) by the door sill inner plate (211) and the door sill outer plate (213), and the edge beam cavity (215) and the door sill spigot (214) are arranged to be adjustable along the Y direction.

3. The Y-expandable automotive platform (10) of claim 2, wherein the front floor assembly (220) comprises a front floor (221) and a battery pack assembly (222);

the front floor (221) is covered on the battery pack assembly (222), and the front floor (221) and the battery pack assembly (222) are connected with the threshold inner plate (211) in the Y direction respectively.

4. The Y-expandable automotive platform (10) of claim 2, wherein the front end assembly (110) comprises a dash panel (111), two a-pillars (112), and two front stringers (113);

the two A columns (112) are arranged at intervals along the Y direction and are respectively connected with the corresponding threshold side beams (210) along the X direction;

the A-pillar (112) comprises an A-pillar inner plate (1121) and an A-pillar outer plate (1122), wherein the A-pillar inner plate (1121) is connected with the A-pillar outer plate (1122) in the Y direction and is provided with an A-pillar spigot (1123) in the X direction, and the A-pillar spigot (1123) is arranged to be adjustable in the Y direction;

the dash panel (111) is arranged between the two A-pillars (112) and connected with the A-pillar inner panel (1121);

the two front side members (113) are arranged at intervals along the Y direction and are connected with one end X direction, far away from the threshold side member (210), of the front surrounding plate (111).

5. The Y-expandable automotive platform (10) according to claim 4, wherein the front subframe (120) further comprises a middle section (122), the middle section (122) being connected between two swing arm mounting portions (121);

the swing arm installation part (121) is provided with a swing arm installation cavity (1213) along the Y direction, two Y-direction expansion areas (1211) are arranged at intervals along the X direction, and the two Y-direction expansion areas are arranged on the swing arm installation cavity (1213) along the Z direction.

6. The Y-expandable automotive platform (10) of claim 5, wherein two front suspension assemblies (130) are arranged at intervals along the Y-direction, the front suspension assemblies (130) comprising a lower swing arm (131), a front knuckle (132) and a front shock absorber (133);

one end of the lower swing arm (131) is connected with the knuckle in the Z direction, and the other end of the lower swing arm is inserted into the swing arm mounting cavity (1213) and is fixedly connected with the front auxiliary frame (120) based on the swing arm mounting point (1212);

the front knuckle (132) is connected with the front shock absorber (133) in the Z direction, and the front knuckle (132) is preset with a Y-direction expanded thickness area (1321) so as to carry out Y-direction size adjustment.

7. The Y-expandable automotive platform (10) of claim 5, wherein said front end assembly (110) further comprises a front wheel cover plate (116) and a front shock absorber turret (117);

the front wheel cover plates (116) are arranged at intervals along the Y direction and are respectively connected with the front coaming plates (111);

front bumper shock absorber turret (117) arrange in front wheel cover board (116) and its adjacent between front longeron (113), be provided with front bumper shock absorber mounting panel (1171) on front bumper shock absorber turret (117), the last Z direction of front bumper shock absorber mounting panel (1171) is provided with front bumper shock absorber mounting top spot (1172), front bumper shock absorber mounting top spot (1172) is in front bumper shock absorber mounting panel (1171) is Y to adjustable, front bumper shock absorber mounting top spot (1172) are used for connecting front bumper shock absorber (133).

8. The Y-expandable automotive platform (10) according to claim 1, wherein the rear end assembly (310) comprises two rear stringers (311), two rear wheel cover panels (312), a rear floor front section (313) and a rear floor rear section (314);

the two rear wheel cover plates (312) are arranged at intervals along the Y direction, the two rear longitudinal beams (311) are arranged between the rear wheel cover plates (312) at intervals along the Y direction, and the rear wheel cover plates (312) are connected with the adjacent rear longitudinal beams (311) along the Y direction;

the rear floor front section (313) and the rear floor rear section (314) are connected in the X direction and are jointly arranged between the two rear longitudinal beams (311);

the rear suspension universal mounting part (320) comprises a rear suspension main body mounting point (321), a spring mounting point (322) and a rear shock absorber mounting upper point (323);

the bottom of the rear longitudinal beam (311) is provided with a rear suspension main body mounting point (321) and a spring mounting point (322) which are arranged along the X direction at intervals, the rear suspension main body mounting point (321) is adjacent to the front end of the rear floor, and the spring mounting point (322) is adjacent to the intersection point of the front section (313) of the rear floor and the rear section (314) of the rear floor;

the rear wheel cover plate (312) is provided with the rear shock absorber mounting upper point (323) in the Z direction, and the Y direction of the rear shock absorber mounting upper point (323) is projected on the rear floor rear section (314).

9. The Y-expandable automotive platform (10) according to claim 8, wherein the rear suspension assembly (330) comprises a torsion beam (331) and two rear shock absorbers (332);

the torsion beam (331) comprises a torsion beam body (3310), and mounting parts (3311) and brake bottom plate connecting parts (3312) which are positioned at two ends of the torsion beam body (3310), wherein the mounting parts (3311) extend towards the transition of the Z direction and are connected with the rear suspension main body mounting points (321);

the brake bottom plate connecting part (3312) transitionally extends towards the Y direction, and the end part of the brake bottom plate connecting part (3312) is provided with a rear wheel tread Y-direction expansion section (3313) for adjusting the Y-direction size of the rear wheel tread;

the two rear shock absorbers (332) are arranged at intervals along the Y direction, the rear shock absorbers (332) comprise spring parts (3321) and sliding column parts (3322), the spring parts (3321) are arranged on the inner side of the brake bottom plate connecting parts (3312), and the top Z direction of the spring parts (3321) is connected with the spring mounting points (322);

the strut part (3322) is connected with the spring part (3321) in the X direction, and the top part of the strut part (3322) is connected with the rear shock absorber mounting upper point (323) in the Z direction.

10. The Y-expandable automotive platform (10) of claim 8, wherein the rear suspension assembly (330) comprises two trailing arms (333), two rear shock absorbers (332), a trailing arm mount (334), and a rear subframe (335);

The two trailing arm mounting seats (334) are arranged at intervals along the Y direction, and the two trailing arms (333) are arranged at intervals along the Y direction and are positioned between the two trailing arm mounting seats (334);

one end of the trailing arm (333) is rotationally connected with the bottom of the rear auxiliary frame (335), and the other end of the trailing arm is rotationally connected with the trailing arm mounting seat (334);

the trailing arm mounting seat (334) comprises a brake bottom plate connecting part (3312) arranged in the Y direction and a mounting part (3311) which is transited towards the Z direction, and the mounting part (3311) is connected with the rear suspension main body mounting point (321);

the two rear shock absorbers (332) are arranged at intervals along the Y direction, the rear shock absorbers (332) comprise spring parts (3321) and sliding column parts (3322), the spring parts (3321) are arranged on the inner side of the trailing arm mounting seat (334) in the Y direction, and the tops of the spring parts are connected with the spring mounting points (322);

the bottom of the sliding column part (3322) is connected with the trailing arm mounting seat (334) along the X direction, and the top of the sliding column part is connected with the rear shock absorber mounting upper point (323).

11. An automobile (1000) comprising an automobile platform (10) according to any one of claims 1 to 10.