CN220220945U - Chassis assembly and vehicle - Google Patents

Abstract

The utility model discloses a chassis assembly and a vehicle, wherein the chassis assembly comprises: a chassis body; the battery pack assembly is arranged below the chassis body; the backplate subassembly, backplate subassembly locates the below of chassis body, backplate subassembly includes front deck backplate, rear portion backplate and two skirt backplate, and two skirt backplate are located battery package subassembly along the both sides of vehicle left and right directions respectively, along the vehicle fore-and-aft direction, and front deck backplate is located the front side of battery package subassembly, and rear portion backplate is located the rear side of battery package subassembly, and the one end that is close to battery package subassembly at least of front deck backplate, rear portion backplate and two skirt backplate lower surface all is parallel and level with the lower surface of battery package subassembly. According to the chassis assembly provided by the embodiment of the utility model, the air is effectively prevented from being disturbed in the left side area, the right side area, the front side area and the rear side area of the battery pack assembly, so that the wind resistance of a vehicle applying the chassis assembly is reduced, and the endurance mileage of the vehicle is improved.

Description

Chassis assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a chassis assembly and a vehicle.

Background

The range anxiety of the pure electric vehicle is an important factor for restricting the development of industry, the aerodynamic resistance increases rapidly in a quadratic way along with the increase of the speed of the vehicle, and the air resistance has a great influence on the range, particularly the high-speed range. The electric vehicle in the prior art has no parts such as a channel in an exhaust pipe, and instead of the parts, a battery assembly is generally arranged below the chassis body, and although the flatness of the battery assembly is good, the flatness of other positions of the chassis body is poor, and when the vehicle is impacted by air flow, the resistance of the lower vehicle body is still large, so that the endurance mileage of the vehicle is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the chassis assembly, which reduces the wind resistance of a vehicle applying the chassis assembly and improves the endurance mileage of the vehicle.

The utility model also provides a vehicle which comprises the chassis assembly.

According to an embodiment of the utility model, a chassis assembly includes: a chassis body; the battery pack assembly is arranged below the chassis body; the protection plate assembly is arranged below the chassis body and comprises a front cabin protection plate, a rear protection plate and two side skirt protection plates, wherein the two side skirt protection plates are respectively arranged on two sides of the battery pack assembly in the left-right direction of the vehicle, the front cabin protection plate is arranged on the front side of the battery pack assembly in the front-back direction of the vehicle, the rear protection plate is arranged on the rear side of the battery pack assembly, and at least one end, close to the lower surface of the front cabin protection plate, of the rear protection plate and two side skirt protection plates is flush with the lower surface of the battery pack assembly.

According to the chassis assembly provided by the embodiment of the utility model, the guard plate assembly comprises the front cabin guard plate, the rear guard plate and the two side skirt guard plates, the two side skirt guard plates are respectively positioned at the two sides of the battery pack assembly along the left-right direction of the vehicle, and the front cabin guard plate is positioned at the front side of the battery pack assembly along the front-rear direction of the vehicle.

In some embodiments of the present utility model, the front compartment trim has a first access opening therein, the trim assembly further comprising: the first cover plate is detachably arranged at the first access hole and used for blocking the first access hole.

In some embodiments of the present utility model, a heat dissipation port is provided on the front cabin protecting plate, a flow guiding sheet body is provided above the front cabin protecting plate, one end of the flow guiding sheet body is connected with the heat dissipation port along the rear edge of the vehicle in the front-rear direction, and the other end of the flow guiding sheet body extends upwards and obliquely towards the front of the vehicle.

In some embodiments of the utility model, the skirt guard comprises: the side skirt body is vertically arranged and is spaced from the battery pack assembly; the first backplate portion, first backplate portion level sets up and width direction's one end with the lower extreme of side skirt body is connected, first backplate portion width direction's the other end orientation battery package subassembly extends, first backplate portion's lower surface with the lower surface parallel and level of battery package subassembly.

In some embodiments of the utility model, the first panel portion has a second access opening, the panel assembly further comprising: the second cover plate is detachably arranged at the second access hole and used for blocking the second access hole.

In some embodiments of the utility model, the skirt guard further comprises: the mounting part extends along the length direction of the side skirt body and is connected with the upper end of the side skirt body, and the mounting part is provided with a buckle used for being connected with the chassis body.

In some embodiments of the present utility model, the rear fender includes a body portion and two second fender portions, the two second fender portions are located on both sides of the body portion in a left-right direction of the vehicle and are detachably connected to the body portion, and the two second fender portions are adapted to be disposed opposite to a rear suspension of the vehicle in an up-down direction.

In some embodiments of the utility model, the rear fender is inclined upwardly in a front-to-rear direction of the vehicle.

In some embodiments of the present utility model, two side skirt guard plates are respectively connected to the battery pack assembly and the chassis body at two ends in the left-right direction of the vehicle, and the front end of the front cabin guard plate is connected to the front end of the chassis body, the rear end of the front cabin body is connected to the front end of the battery pack assembly, the front end of the rear guard plate is connected to the rear end of the battery pack assembly, and the rear end of the rear guard plate is connected to the rear end of the chassis body.

The vehicle comprises the chassis assembly.

According to the vehicle provided by the embodiment of the utility model, the chassis assembly is arranged, the guard plate assembly comprises the front cabin guard plate, the rear guard plate and the two side skirt guard plates, the two side skirt guard plates are respectively positioned at two sides of the battery pack assembly along the left-right direction of the vehicle, the front cabin guard plate is positioned at the front side of the battery pack assembly along the front-rear direction of the vehicle, one ends, at least close to the battery pack assembly, of the lower surfaces of the front cabin guard plate, the rear guard plate and the two side skirt guard plates are all flush with the lower surface of the battery pack assembly, the flatness of the left-right side area and the front-rear side area of the battery pack assembly is ensured, and the disturbance of air in the left-right side area and the front-rear side area of the battery pack assembly is effectively avoided, so that the wind resistance of the vehicle is reduced, and the endurance mileage of the vehicle is further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a top view of a vehicle according to an embodiment of the utility model;

FIG. 2 is a block diagram of a front cabin fender according to an embodiment of the utility model;

FIG. 3 is a block diagram of a skirt guard according to an embodiment of the utility model;

FIG. 4 is a block diagram of another view of a skirt guard according to an embodiment of the utility model;

FIG. 5 is a block diagram of a rear fender according to an embodiment of the utility model;

FIG. 6 is a schematic flow diagram of the air flow of a vehicle in a front compartment fender according to an embodiment of the utility model;

FIG. 7 is a partial schematic flow direction of an air flow of a vehicle at a heat sink according to an embodiment of the utility model;

FIG. 8 is a partial schematic flow direction of air flow in the rear fender of a vehicle according to an embodiment of the utility model.

Reference numerals:

1000. a vehicle;

100. a chassis assembly;

1. a battery pack assembly;

2. a shield assembly; 21. a front cabin guard board; 211. a first access port; 212. a first cover plate; 213. a heat radiation port; 214. a deflector body; 215. a first mounting point; 216. a second mounting point; 217. a third mounting point; 22. a rear guard plate; 221. a body portion; 2211. a seventh mounting point; 2212. an eighth mounting point; 222. a second guard plate portion; 23. a side skirt guard board; 231. a side skirt body; 2311. a mounting part; 2312. a buckle; 2313. a sixth mounting point; 232. a first guard plate portion; 2321. a second access port; 2322. a second cover plate; 2323. a fourth mounting point;

3. a chassis body;

200. a front bumper;

300. a front fender;

400. a rear bumper;

500. a spoiler.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The chassis assembly 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1, a chassis assembly 100 according to an embodiment of the present utility model is used for a vehicle 1000, and the chassis assembly 100 includes a chassis body 3, a battery pack assembly 1, and a fender assembly 2.

Wherein, the below of chassis body 3 is located to battery package subassembly 1, the below of chassis body 3 is located to backplate subassembly 2, backplate subassembly 2 includes front deck backplate 21, rear portion backplate 22 and two skirt backplate 23, two skirt backplate 23 are located battery package subassembly 1 along the both sides of vehicle 1000 left and right directions respectively, along vehicle 1000 fore-and-aft direction, front deck backplate 21 is located the front side of battery package subassembly 1, rear portion backplate 22 is located the rear side of battery package subassembly 1, front deck backplate 21, rear portion backplate 22 and the one end that is close to battery package subassembly 1 at least of the lower surface of two skirt backplate 23 all with the lower surface parallel and level of battery package subassembly 1.

It can be appreciated that, because the battery pack assembly 1 is located below the chassis body 3, so that the lower surface of the battery pack assembly 1 is lower than the chassis body 3 in the height direction of the vehicle 1000, by arranging two side skirt guard plates 23 respectively located at two sides of the battery pack assembly 1 along the left-right direction of the vehicle 1000, and at least one end, close to the battery pack assembly 1, of the lower surface of the two side skirt guard plates 23 is flush with the lower surface of the battery pack assembly 1, the flatness of the left-right side areas of the battery pack assembly 1 is ensured, and disturbance of air in the left-right side areas of the battery pack assembly 1 is effectively avoided, so that wind resistance of the vehicle 1000 applying the chassis assembly 100 is reduced, and the endurance mileage of the vehicle 1000 is improved.

Through the front cabin backplate 21 be located the front side of battery package subassembly 1 and the one end that is close to battery package subassembly 1 at least of the lower surface of front cabin backplate 21 and the lower surface parallel and level of battery package subassembly 1, guarantee the roughness in battery package group front side region, the one end that is close to battery package subassembly 1 at least of the lower surface of rear portion backplate 22 and rear portion backplate 22 through rear portion backplate 22 is located the rear side of battery package subassembly 1 and the lower surface parallel and level of battery package subassembly 1, guarantee the roughness in battery package group rear side region, effectively avoid the air to produce the disturbance in the front and back both sides region of battery package subassembly 1, thereby reduce the windage of vehicle 1000 of using this chassis assembly 100, further improve the continuation mileage of journey of vehicle 1000.

At the same time, the air flow is guided by the lower surfaces of the front cabin protecting plate 21, the battery pack assembly 1 and the rear protecting plate 22 being flush, so that the air resistance is further reduced. In addition, the arrangement of the guard plate assembly 2 can prevent sand from striking the chassis body 3 when the vehicle 1000 runs, so that the chassis body 3 and components arranged on the chassis body 3 are protected to a certain extent, and reliability is improved.

Further, the front cabin cover 21 is located under the front cabin of the vehicle 1000, and the rear cover 22 is located under the rear suspension and the spare tire groove of the vehicle 1000, thereby further avoiding disturbance and separation of the airflow in the area under the front cabin, the rear suspension and the spare tire groove, and further reducing wind resistance of the assembly of the vehicle 1000 to which the chassis assembly 100 is applied.

According to the chassis assembly 100 of the embodiment of the utility model, the guard board assembly 2 comprises the front cabin guard board 21, the rear guard board 22 and the two side skirt guard boards 23, the two side skirt guard boards 23 are respectively positioned at two sides of the battery pack assembly 1 along the left-right direction of the vehicle 1000, the front cabin guard board 21 is positioned at the front side of the battery pack assembly 1 along the front-rear direction of the vehicle 1000, the lower surfaces of the front cabin guard board 21, the rear guard board 22 and the two side skirt guard boards 23 are all flush with the lower surface of the battery pack assembly 1, the flatness of the left-right side area and the front-rear side area of the battery pack assembly 1 is ensured, and the disturbance of air in the left-right side area and the front-rear side area of the battery pack assembly 1 is effectively avoided, so that the wind resistance of the vehicle 1000 applying the chassis assembly 100 is reduced, and the range of the vehicle 1000 is improved.

In some embodiments of the present utility model, as shown in fig. 1 to 5, two side skirt shields 23 are respectively connected to the battery pack assembly 1 and the chassis body 3 at both ends in the left-right direction of the vehicle 1000, the front end of the front cabin shield 21 is connected to the front end of the chassis body 3 in the front-rear direction of the vehicle 1000, the rear end of the front cabin body is connected to the front end of the battery pack assembly 1, the front end of the rear shield 22 is connected to the rear end of the battery pack assembly 1, and the rear end of the rear shield 22 is connected to the rear end of the chassis body 3.

By this arrangement, the front cabin fender 21, the rear fender 22 and the two side skirt fenders 23 are assembled, and the connection of the fender assembly 2 is ensured. Meanwhile, the front end of the front cabin protecting plate 21 is connected with the front end of the chassis body 3, so that separation caused by disturbance when airflow flows through the front end of the chassis assembly 100 is effectively avoided, air is guided through the front cabin protecting plate 21, and wind resistance of a vehicle 1000 applying the chassis assembly 100 is reduced. In addition, the front end of the rear guard plate 22 is connected with the rear end of the battery pack assembly 1, so that the rear guard plate 22 can guide air, air flow separation at the rear end of the battery pack assembly 1 is effectively avoided, the rear end of the rear guard plate 22 is connected with the rear end of the chassis body 3, the coverage range of the rear patch to the chassis body 3 is enlarged, and wind resistance at the tail of the vehicle 1000 is reduced.

Further, as shown in fig. 2, the front end of the front fender 21 has a first mounting point 215 and two second mounting points 216, the first mounting point 215 is located at an intermediate position of the front fender 21 in the left-right direction of the vehicle 1000, the two second mounting points 216 are located at both ends of the front fender 21 in the left-right direction of the vehicle 1000, the front fender 21 is connected to the front bumper 200 of the vehicle 1000 through the first mounting point 215, and the two front fenders 300 of the vehicle 1000 are connected through the two second mounting points 216, respectively, and the front bumper 200 and the two front fenders 300 are connected to the chassis body 3, so that the front end of the front fender 21 is indirectly connected to the front end of the chassis body 3. The rear end of the front cabin sheathing board 21 has a third mounting point 217, and the front cabin sheathing board 21 is connected to the battery pack assembly 1 through the third mounting point 217.

As shown in fig. 3 and 4, the end of the skirt guard 23, which is close to the battery pack assembly 1, has a fourth mounting point 2323, the end of the skirt guard 23, which is far away from the battery pack assembly 1, has a fifth mounting point and two sixth mounting points 2313, the fifth mounting point is located at the middle position of the skirt guard 23 in the front-rear direction of the vehicle 1000, the two sixth mounting points 2313 are located at the two ends of the skirt guard 23 in the front-rear direction of the vehicle 1000, the skirt guard 23 is connected with the battery pack assembly 1 through the fourth mounting point 2323, the side wall of the vehicle 1000 is clamped through the fifth mounting point, the side wall of the vehicle 1000 is connected through the two sixth mounting points 2313, and the side wall of the vehicle 1000 is connected with the chassis body 3, so that the side wall of the vehicle 1000 is indirectly connected with the chassis body 3.

As shown in fig. 5, the front end of the rear fender 22 has a seventh mounting point 2211 and the rear end has an eighth mounting point 2212, the rear fender 22 is connected to the rear end of the battery pack assembly 1 through the seventh mounting point 2211, the rear fender 22 is connected to the rear bumper 400 of the vehicle 1000 through the eighth mounting point 2212, and the rear bumper 400 of the vehicle 1000 is connected to the chassis body 3, so that the indirect connection of the rear fender 22 to the chassis body 3 is realized.

In some embodiments of the present utility model, as shown in FIG. 2, the forward compartment fender 21 has a first access opening 211 therein, and the fender assembly 2 further includes a first cover plate 212. The first cover plate 212 is detachably disposed at the first access hole 211 and is used for blocking the first access hole 211.

It is understood that the first access hole 211 is convenient for repairing the upper part of the front cabin protecting plate 21, so that the problem of low repairing efficiency caused by the whole disassembly of the front cabin protecting plate 21 is avoided. Meanwhile, the first cover plate 212 is detachably arranged at the first access hole 211 and used for blocking the first access hole 211, so that the flatness of the front cabin protecting plate 21 is guaranteed when the first access hole 211 is blocked by the first cover plate 212, disturbance of air at the first access hole 211 is effectively avoided, and wind resistance of the vehicle 1000 applying the chassis assembly 100 is reduced. Fig. 6 is a front cabin protecting plate 21 of the present application, and by setting a first access hole 211 for blocking the first access hole 211, air disturbance at the first access hole 211 is effectively avoided, so that windage is reduced.

Further, the lower surface of the first cover plate 212 is flush with the lower surface of the front cabin protecting plate 21, so that the flatness of the chassis assembly 100 is further ensured, and the wind resistance of the vehicle 1000 to which the chassis assembly 100 is applied is further reduced. Further, the first access opening 211 is located below the front cabin of the vehicle 1000, so as to facilitate the maintenance of the front cabin, and meanwhile, the noise of the front cabin is effectively isolated by the front cabin protecting plate 21, so that the noise of the vehicle 1000 applying the chassis assembly 100 is reduced, and the use feeling of a user is improved.

In some embodiments of the present utility model, as shown in fig. 2, a heat dissipation port 213 is provided on the front cabin protecting board 21, a deflector 214 is provided above the front cabin protecting board 21, one end of the deflector 214 is connected to a rear edge of the heat dissipation port 213 along the front-rear direction of the vehicle 1000, and the other end of the deflector 214 extends upward and obliquely toward the front of the vehicle 1000. Therefore, the heat dissipation air flow dissipating heat from the front cabin is enabled to flow out of the heat dissipation opening 213 through the arrangement of the heat dissipation opening 213, so that the heat dissipation requirement of the vehicle 1000 is met, meanwhile, one end of the flow guide sheet body 214 is connected with the rear edge of the heat dissipation opening 213 along the front-rear direction of the vehicle 1000, and the other end of the flow guide sheet body 214 extends upwards and obliquely towards the front of the vehicle 1000, so that the direction of the air flow flowing out of the heat dissipation opening 213 is consistent with the air flow flowing direction of the air flow below the front cabin protecting plate 21, thereby effectively reducing the air flow disturbance below the front cabin protecting plate 21, and further reducing the wind resistance of the vehicle 1000 applying the chassis assembly 100.

Fig. 7 shows a front cabin protecting board 21 of the present application, in which a flow guiding sheet 214 is provided to make the direction of the air flow flowing out from the heat dissipating opening 213 coincide with the air flow direction of the air flow under the front cabin protecting board 21, so as to effectively reduce the air flow disturbance under the front cabin protecting board 21, thereby reducing the wind resistance.

In some embodiments of the present utility model, as shown in fig. 3 and 4, the skirt guard 23 includes a skirt body 231 and a first guard portion 232. Wherein, the side skirt body 231 is vertically disposed and spaced apart from the battery pack assembly 1, the first guard plate portion 232 is horizontally disposed and one end of the width direction is connected with the lower end of the side skirt body 231, the other end of the width direction of the first guard plate portion 232 extends toward the battery pack assembly 1, and the lower surface of the first guard plate portion 232 is flush with the lower surface of the battery pack assembly 1. From this, the flatness of battery package left and right sides region is guaranteed through two first backplate portions 232 of two side skirt backplate 23 to realize the side skirt backplate 23 through the side skirt body 231 of two vertical settings and be connected with the side wall of vehicle 1000, thereby further protect battery package subassembly 1, improve the reliability. Meanwhile, the side skirt body 231 and the first guard plate part 232 are integrally arranged, so that the die cost is saved, and the cost is reduced.

Further, the first guard plate portion 232 has a fourth mounting point 2323 near one end of the battery pack assembly 1, the upper end of the skirt body 231 has a fifth mounting point and two sixth mounting points 2313, the fifth mounting point is located at an intermediate position of the skirt body 231 in the front-rear direction of the vehicle 1000, the two sixth mounting points 2313 are located at two ends of the skirt body 231 in the front-rear direction of the vehicle 1000, the first guard plate portion 232 is connected with the battery pack assembly 1 through the fourth mounting point 2323, the skirt body 231 is clamped with the side wall of the vehicle 1000 through the fifth mounting point, the skirt body 231 is connected with the side wall of the vehicle 1000 through the two sixth mounting points 2313, and the side wall of the vehicle 1000 is connected with the chassis body 3, so that indirect connection of the skirt body 231 and the chassis body 3 is achieved.

In some embodiments of the utility model, as shown in fig. 3 and 4, the first panel portion 232 has a second access opening 2321 and the panel assembly 2 further includes a second cover plate 2322. The second cover plate 2322 is detachably disposed at the second access opening 2321 and is used for blocking the second access opening 2321.

It is appreciated that the second access opening 2321 is configured to facilitate maintenance of the upper portion of the first guard plate 232, so as to avoid the problem of low maintenance efficiency caused by the whole disassembly of the front cabin guard plate 21. Meanwhile, the second cover plate 2322 is detachably arranged at the second access opening 2321 and used for blocking the second access opening 2321, so that flatness of the side skirt guard plate 23 is guaranteed when the second access opening 2321 is blocked by the second cover plate 2322, disturbance of air at the second access opening 2321 is effectively avoided, and wind resistance of the vehicle 1000 applying the chassis assembly 100 is further reduced. Meanwhile, when the vehicle 1000 needs to be lifted by the jack, the second cover plate 2322 is detached, so that the second access opening 2321 serves as a jack lifting point, and the maintenance of the vehicle 1000 is further facilitated.

Further, the lower surface of the second cover plate 2322 is flush with the lower surface of the first guard plate 232, so that the flatness of the chassis assembly 100 is further ensured, and the wind resistance of the vehicle 1000 to which the chassis assembly 100 is applied is further reduced.

In some embodiments of the present utility model, as shown in fig. 3 and 4, the skirt guard 23 further includes a mounting portion 2311. The mounting portion 2311 extends along a length direction of the side skirt body 231 and is connected with an upper end of the side skirt body 231, and a buckle 2312 for connecting with the chassis body 3 is provided on the mounting portion 2311. Thereby, the side skirt body 231 is conveniently connected with the side wall of the vehicle body in a clamping manner through the installation of the installation part 2311, so that the indirect connection between the side skirt body 231 and the chassis body 3 is realized.

Further, the fifth mounting point for the connection with the side wall of the vehicle 1000 is a buckle 2312 on the mounting portion 2311, and the sixth mounting point 2313 for the connection with the side wall of the vehicle 1000 is located at two ends of the side skirt body 231 in the length direction, so that the connection between the side skirt body 231 and the side wall of the vehicle 1000 is further ensured, and the indirect connection between the side skirt guard 23 and the chassis body 3 is further ensured.

In some embodiments of the present utility model, as shown in fig. 5, the rear fender 22 includes a body portion 221 and two second fender portions 222, the two second fender portions 222 being located on both sides of the body portion 221 in the left-right direction of the vehicle 1000 and being detachably connected to the body portion 221, the two second fender portions 222 being adapted to be disposed opposite to the rear suspension of the vehicle 1000 in the up-down direction. Therefore, through the detachable connection of the two second guard plate parts 222 and the body part 221 and the positioning of the lower part of the rear suspension, when the rear suspension needs to be overhauled, the overhauling can be realized only by detaching the second guard plate parts 222, and the problem of low overhauling efficiency caused by detaching the whole rear guard plate 22 is avoided. Meanwhile, noise of the rear suspension is effectively isolated through the rear guard 22, noise of the vehicle 1000 to which the chassis assembly 100 is applied is reduced, and user experience is improved.

Further, the lower surface of the second guard plate portion 222 is flush with the lower surface of the rear guard plate 22, thereby further ensuring flatness of the rear guard plate 22 and further reducing windage of the vehicle 1000 to which the chassis assembly 100 is applied.

Still further, the front end of the body portion 221 has a seventh mounting point 2211 and the rear end has an eighth mounting point 2212, the body portion 221 is connected to the rear end of the battery pack assembly 1 through the seventh mounting point 2211, the body portion 221 is connected to the rear bumper 400 of the vehicle 1000 through the eighth mounting point 2212, and the rear bumper 400 of the vehicle 1000 is connected to the chassis body 3, so that the indirect connection of the body portion 221 to the chassis body 3 is achieved.

In some embodiments of the utility model, the rear fender 22 is inclined upwardly in the front-to-rear direction of the vehicle 1000 as shown in fig. 8. Therefore, the air flow below the chassis assembly 100 is guided to flow towards the tail of the vehicle 1000 through the arrangement, so that the tail pressure is increased, the differential pressure resistance of the tail is reduced, the wind resistance of the vehicle 1000 applying the chassis assembly 100 is reduced, and the endurance mileage of the vehicle 1000 is further improved.

Further, the vehicle 1000 includes the spoiler 500, and in the front-to-rear direction of the vehicle 1000, the spoiler 500 is inclined downward, and the curvature of the cross section of the rear fender 22 in the front-to-rear direction of the vehicle 1000 is the same as the curvature of the cross section of the spoiler 500 in the front-to-rear direction of the vehicle 1000, so that the differential pressure resistance of the tail portion is further reduced, and the wind resistance of the vehicle 1000 to which the chassis assembly 100 is applied is reduced.

The following describes a vehicle 1000 of an embodiment of the utility model.

A vehicle 1000 according to an embodiment of the utility model includes a chassis assembly 100. The chassis assembly 100 includes a chassis body 3, a battery pack assembly 1, and a fender assembly 2. Wherein, the below of chassis body 3 is located to battery package subassembly 1, the below of chassis body 3 is located to backplate subassembly 2, backplate subassembly 2 includes front deck backplate 21, rear portion backplate 22 and two skirt backplate 23, two skirt backplate 23 are located battery package subassembly 1 along the both sides of vehicle 1000 left and right directions respectively, along vehicle 1000 fore-and-aft direction, front deck backplate 21 is located the front side of battery package subassembly 1, rear portion backplate 22 is located the rear side of battery package subassembly 1, front deck backplate 21, rear portion backplate 22 and the one end that is close to battery package subassembly 1 at least of the lower surface of two skirt backplate 23 all with the lower surface parallel and level of battery package subassembly 1.

Through setting up two skirt guard plates 23 and being located the both sides of battery package subassembly 1 along the direction about vehicle 1000 respectively, and the one end that is close to battery package subassembly 1 at least of the lower surface of two skirt guard plates 23 all with the lower surface parallel and level of battery package subassembly 1, from this, guarantee the regional roughness in battery package subassembly 1 left and right sides, effectively avoid the air to produce the disturbance in battery package subassembly 1 left and right sides region. Meanwhile, the front cabin guard plate 21 is located on the front side of the battery pack assembly 1, one end, close to the battery pack assembly 1, of the lower surface of the front cabin guard plate 21 is flush with the lower surface of the battery pack assembly 1, flatness of a front side area of the battery pack assembly is guaranteed, the rear guard plate 22 is located on the rear side of the battery pack assembly 1, one end, close to the battery pack assembly 1, of the lower surface of the rear guard plate 22 is flush with the lower surface of the battery pack assembly 1, flatness of a rear side area of the battery pack assembly is guaranteed, disturbance of air in the front side area and the rear side area of the battery pack assembly 1 is effectively avoided, wind resistance of the vehicle 1000 is reduced, and endurance mileage of the vehicle 1000 is further improved.

According to the vehicle 1000 of the embodiment of the utility model, the chassis assembly 100 is provided, the guard board assembly 2 comprises the front cabin guard board 21, the rear guard board 22 and two side skirt guard boards 23, the two side skirt guard boards 23 are respectively positioned at two sides of the battery pack assembly 1 along the left-right direction of the vehicle 1000, the front cabin guard board 21 is positioned at the front side of the battery pack assembly 1 along the front-rear direction of the vehicle 1000, the lower surfaces of the front cabin guard board 21, the rear guard board 22 and the two side skirt guard boards 23 are all flush with the lower surface of the battery pack assembly 1, the flatness of the left-right side area and the front-rear side area of the battery pack assembly 1 is ensured, and the disturbance of air in the left-right side area and the front-rear side area of the battery pack assembly 1 is effectively avoided, so that the wind resistance of the vehicle 1000 is reduced, and the endurance mileage of the vehicle 1000 is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A chassis assembly for a vehicle, comprising:

a chassis body;

the battery pack assembly is arranged below the chassis body;

the protection plate assembly is arranged below the chassis body and comprises a front cabin protection plate, a rear protection plate and two side skirt protection plates, wherein the two side skirt protection plates are respectively arranged on two sides of the battery pack assembly in the left-right direction of the vehicle, the front cabin protection plate is arranged on the front side of the battery pack assembly in the front-back direction of the vehicle, the rear protection plate is arranged on the rear side of the battery pack assembly, and at least one end, close to the lower surface of the front cabin protection plate, of the rear protection plate and two side skirt protection plates is flush with the lower surface of the battery pack assembly.

2. The chassis assembly of claim 1, wherein the front cabin fender has a first access opening thereon, the fender assembly further comprising:

the first cover plate is detachably arranged at the first access hole and used for blocking the first access hole.

3. The chassis assembly according to claim 1, wherein the front cabin protecting plate is provided with a heat radiation opening, a flow guide sheet body is arranged above the front cabin protecting plate, one end of the flow guide sheet body is connected with the heat radiation opening along the rear edge of the front and rear direction of the vehicle, and the other end of the flow guide sheet body extends upwards and obliquely towards the front of the vehicle.

4. The chassis assembly of claim 1, wherein the skirt guard comprises:

the side skirt body is vertically arranged and is spaced from the battery pack assembly;

the first backplate portion, first backplate portion level sets up and width direction's one end with the lower extreme of side skirt body is connected, first backplate portion width direction's the other end orientation battery package subassembly extends, first backplate portion's lower surface with the lower surface parallel and level of battery package subassembly.

5. The chassis assembly of claim 4, wherein the first fender portion has a second access opening, the fender assembly further comprising:

the second cover plate is detachably arranged at the second access hole and used for blocking the second access hole.

6. The chassis assembly of claim 4, wherein the skirt guard further comprises:

the mounting part extends along the length direction of the side skirt body and is connected with the upper end of the side skirt body, and the mounting part is provided with a buckle used for being connected with the chassis body.

7. The chassis assembly according to claim 1, wherein the rear fender includes a body portion and two second fender portions, the two second fender portions being located on both sides of the body portion in a vehicle left-right direction and being detachably connected to the body portion, the two second fender portions being adapted to be disposed opposite to a rear suspension of the vehicle in an up-down direction.

8. The chassis assembly of claim 1, wherein the rear fender is inclined upwardly in a front-to-rear direction of the vehicle.

9. The chassis assembly according to claim 1, wherein both ends of the side skirt guard plates in the left-right direction of the vehicle are respectively connected to the battery pack assembly and the chassis body, and in the front-rear direction of the vehicle, a front end of the front cabin guard plate is connected to a front end of the chassis body, a rear end of the front cabin body is connected to a front end of the battery pack assembly, a front end of the rear guard plate is connected to a rear end of the battery pack assembly, and a rear end of the rear guard plate is connected to a rear end of the chassis body.

10. A vehicle comprising a chassis assembly according to any one of claims 1-9.