Vehicle rear structure and vehicle

Abstract

The utility model relates to the technical field of vehicle driving systems, and discloses a vehicle rear structure and a vehicle, the vehicle rear structure comprises a rear vehicle cabin, an engine, a rear wheel power shaft, a rear electric drive assembly and an exhaust assembly, the rear wheel power shaft is arranged on the front side of the rear vehicle cabin; the rear electric drive assembly is connected with the engine and used for outputting torque for a rear wheel power shaft or inputting electric energy into the energy storage device. The exhaust assembly is connected with the engine; wherein the engine, the rear electric drive assembly and the exhaust assembly are integrated in the rear vehicle cabin. The engine, the rear electric drive assembly and the exhaust assembly are all integrated in the rear vehicle cabin of the vehicle, the technical problem that the space of a front cabin of a traditional front hybrid power system is crowded is solved, the space of the front cabin is effectively released, and a larger degree of freedom is provided for passenger cabin expansion or front luggage compartment design.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle driving system, and in particular to a vehicle rear structure and a vehicle. BACKGROUND

[0002] With the rapid development of new energy technology of automobile, the vehicle rear structure has become an important technical path to improve the economy and driving experience of the vehicle. At present, the vehicle rear structure on the market generally adopts a front-mounted layout architecture, that is, the engine and other power system components are integrated in the front engine compartment of the vehicle, while the rear electric drive motor, motor controller and the like are installed above the rear axle or rear subframe of the vehicle, close to the rear power shaft.

[0003] On the one hand, under this power architecture, the space of the front vehicle compartment will be severely occupied, and the components of the front vehicle compartment will occupy the space of the front passenger compartment of the vehicle. On the other hand, under this power architecture, the exhaust system is led out from the engine exhaust side, needs to extend longitudinally along the vehicle body chassis, and finally is discharged from the tail of the vehicle. This arrangement needs to bypass the passenger compartment and cross the chassis, increasing the material cost and assembly difficulty, and at the same time, there is a risk of layout interference between the exhaust system and the battery pack, transmission shaft, fuel pipeline and other components below the chassis, and it is easy to cause heat hazard risk. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a vehicle rear structure and a vehicle, which solves the technical problem of crowded space in the front compartment of the traditional front-mounted hybrid system, and effectively releases the front compartment space.

[0005] In order to achieve the above purpose, the main technical scheme adopted by the present application includes:

[0006] In a first aspect, the vehicle rear structure includes a rear vehicle compartment, an engine, a rear wheel power shaft, a rear electric drive assembly and an exhaust assembly, the rear wheel power shaft being arranged at the front side of the rear vehicle compartment; the rear electric drive assembly is connected with the engine, and is used for outputting torque to the rear wheel power shaft or inputting electric energy to an energy storage device; the exhaust assembly is connected with the engine; wherein the engine, the rear electric drive assembly and the exhaust assembly are integrated in the rear vehicle compartment.

[0007] The vehicle rear structure provided by the embodiment of the present application solves the technical problem of crowded space in the front compartment of the traditional front-mounted hybrid system by integrating the engine, the rear electric drive assembly and the exhaust assembly in the rear vehicle compartment, and effectively releases the front compartment space, providing greater freedom for passenger compartment expansion or front luggage compartment design.

[0008] It can be understood that, since the engine and the exhaust assembly are both located in the rear cabin of the vehicle, the exhaust assembly does not need to be distributed throughout the chassis, can reduce the vehicle components through which the high-temperature exhaust gas passes, greatly reduce the heat influence range, and can also keep the exhaust assembly with high-temperature exhaust gas away from the middle and front passenger cabin and the energy storage device area, thereby improving the overall vehicle thermal safety and system reliability.

[0009] Optionally, the exhaust assembly comprises, in sequence along the vehicle width direction, a pre-catalytic converter, an exhaust pipe and a muffler.

[0010] Optionally, the engine and the muffler are respectively arranged at two ends of the rear cabin along the vehicle width direction, the engine is arranged to extend along the vehicle width direction, the pre-catalytic converter is connected to the engine and integrated with the engine at the same position.

[0011] Optionally, the rear electric drive assembly is connected to the power take-off, the power take-off is connected to the rear drive axle, and the rear drive axle is connected to the rear wheel power shaft, wherein the rear electric drive assembly outputs torque to the rear wheel power shaft through the power take-off and the rear drive axle.

[0012] Optionally, a transmission shaft for transmitting torque is connected between the power take-off and the rear drive axle, the transmission shaft is located on the center axis of the vehicle and arranged to extend along the length direction of the vehicle, and the rear drive axle is connected to the rear wheel power shaft at both ends in the width direction of the vehicle, and the rear wheel power shaft is connected to the rear wheel of the vehicle.

[0013] Optionally, the rear cabin is provided with a bottom plate, the bottom plate is provided with a notch penetrating through the upper and lower surfaces thereof, and the engine and the rear electric drive assembly are built in the notch; wherein the upper part of the engine and the rear electric drive assembly is located above the bottom plate, the lower part of part of the engine and the rear electric drive assembly is located below the bottom plate, and the part of the exhaust assembly connected to the engine is built in the notch, and the remaining part is located below the bottom plate.

[0014] Optionally, an upper cover is arranged above the bottom plate, the upper cover covers the notch and wraps the upper part of part of the engine and the rear electric drive assembly.

[0015] Optionally, the rear electric drive assembly comprises a motor, a drive gear and a switching mechanism, the motor is connected to the energy storage device and is used to input electric energy to the energy storage device, the drive gear is connected to the rear wheel power shaft and is used to output torque to the rear wheel power shaft, and the switching mechanism is connected to the engine; wherein the engine is connected to the motor or the drive gear through the switching mechanism to switch between the range extending mode and the direct drive mode.

[0016] Optionally, the switching mechanism comprises a power output shaft, a first gear, a second gear and a clutch, the power output shaft is connected with the engine; the first gear is connected with the motor, and the first gear is arranged on the power output shaft; the second gear is connected with the drive gear, and the second gear is arranged on the power output shaft; the clutch is arranged on the power output shaft, and the clutch is used for being separated from or combined with the power output shaft, so that the torque output of the power output shaft is output to the first gear or the second gear.

[0017] In a second aspect, the embodiments of the present application provide a vehicle, comprising the vehicle rear structure of the first aspect, an energy storage device and a front electric drive assembly, the energy storage device is installed in the middle of the vehicle, and the energy storage device is electrically connected with the rear electric drive assembly; the front electric drive assembly is connected with the energy storage device, and the front electric drive assembly is located at the front end of the vehicle and is used for outputting torque to the front wheel power shaft.

[0018] The vehicle provided by the embodiments of the present application at least solves the technical problem of crowded front compartment space of the traditional front-mounted hybrid system, and effectively releases the front compartment space. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a whole structure schematic view of the vehicle rear structure in some embodiments of the present application;

[0021] Figure 2 It is a top view schematic view of the vehicle rear structure in some embodiments of the present application;

[0022] Figure 3 It is a connection schematic view of the power system in some embodiments of the present application;

[0023] Figure 4 It is a connection schematic view of the vehicle rear structure, the energy storage device and the front electric drive assembly in some embodiments of the present application.

[0024]

Explanation of reference signs

[0025] 100, engine;

[0026] 200, rear electric drive assembly; 210, motor; 211, energy storage device; 212, electric drive gear; 220, drive gear; 230, switching mechanism; 231, power output shaft; 232, first gear; 233, second gear; 234, clutch;

[0027] 300, exhaust assembly; 310, pre-catalyst; 320, exhaust pipe; 330, muffler;

[0028] 400, front electric drive assembly; 410, front wheel power shaft;

[0029] 500, power take-off; 510, transmission shaft;

[0030] 600, rear drive axle; 610, rear wheel power shaft;

[0031] 10, rear cabin; 11, floor panel; 12, notch; 13, upper cover;

[0032] Y, vehicle width direction;

[0033] X, vehicle length direction; DETAILED DESCRIPTION

[0034] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0035] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terms used in the specification of the present application are only for the purpose of describing the specific embodiments of the present application, and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the specification and claims of the present application and the above description of drawings are used to distinguish different objects, and are not intended to describe a particular order or primary and secondary relationship.

[0036] In the present application, the phrase "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The phrase appears at various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described in the present application can be combined with other embodiments.

[0037] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "attaching" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] The term "and / or" in the present application only describes the association relationship of the associated objects, which means that there can be three kinds of relationships, for example, vehicle rear structure and / or vehicle, which means that there are three kinds of situations: only vehicle rear structure exists, vehicle rear structure and vehicle exist at the same time, and only vehicle exists. In addition, the character " / " in the present application generally represents that the front and rear associated objects are in an "or" relationship.

[0039] "Multiple" appearing in the present application refers to more than two (including two), and similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0040] Referring to Figure 1 And Figure 2 The utility model embodiment provides a kind of vehicle rear structure, including rear cabin 10, engine 100, rear wheel power shaft 610, rear electric drive assembly 200 and exhaust assembly 300, rear wheel power shaft 610 is located in the front side of rear cabin 10;Rear electric drive assembly 200 is connected with engine 100, rear electric drive assembly 200 is used to output torque for rear wheel power shaft 610, or input electric energy to energy storage device 211;Exhaust assembly 300 is connected with engine 100;Wherein, engine 100, rear electric drive assembly 200 and exhaust assembly 300 are integrated in rear cabin 10.

[0041] In the process of vehicle driving or working, engine 100 located in rear cabin 10 is started, and the power generated thereby is directly transmitted to rear electric drive assembly 200 in the same cabin. Rear electric drive assembly 200 processes the power according to the vehicle working condition, or converts mechanical energy into electrical energy for storage, or combines with motor torque to drive rear wheel power shaft 610. At the same time, the high-temperature exhaust gas generated by the operation of engine 100 is treated and discharged by exhaust assembly 300 also integrated in the rear cabin. The components in the entire rear cabin 10 are integrated into a compact power and energy management structure.

[0042] In summary, by integrating engine 100, rear electric drive assembly 200 and exhaust assembly 300 into the rear cabin 10 of the vehicle, the technical problem of crowded front cabin space of the traditional front-mounted hybrid system is solved, and the front cabin space is effectively released, providing greater freedom for passenger cabin expansion or front luggage compartment design.

[0043] It can be understood that, since the engine 100 and the exhaust assembly 300 are both located in the rear trunk 10 of the vehicle, the exhaust assembly 300 does not need to be distributed throughout the chassis, and the pipeline thereof can be designed to be more short and direct, most of the pipeline being arranged only in the rear trunk 10 and the rear suspension area, so as to reduce the vehicle components through which the high-temperature exhaust gas passes, greatly reduce the heat-affected range, and at the same time, keep the exhaust assembly 300 with high-temperature exhaust gas away from the middle and front passenger compartment and the energy storage device 211 area, reduce the risk of thermal runaway or overheating in the cabin caused by high temperature of the exhaust assembly 300, and improve the system reliability.

[0044] In some embodiments, referring to Figure 1 and Figure 2 , the exhaust assembly 300 includes, in sequence along the vehicle width direction Y, a pre-catalyst 310, an exhaust pipe 320, and a muffler 330. The exhaust gas discharged by each cylinder of the engine 100 is first collected and flows through the pre-catalyst 310 to perform preliminary catalytic conversion of pollutants. Subsequently, the exhaust gas after preliminary treatment flows through the exhaust pipe 320 to the muffler 330 located in the rear trunk 10, and after the processes of expansion, resonance, sound absorption, etc. in the muffler 330 to reduce noise, is finally discharged to the atmosphere. Preferably, the engine 100 and the muffler 330 are respectively arranged at two ends of the rear trunk 10 along the vehicle width direction Y, the engine 100 is arranged in extension along the vehicle width direction Y, the pre-catalyst 310 is connected with the engine 100 and integrated with the engine 100 at the same position. The transversely arranged engine 100 occupies a smaller space and avoids occupying the space in the height direction of the rear trunk 10, and the exhaust manifold outlet of the engine 100 is directly connected or very close to the pre-catalyst 310, forming a compact “engine 100-catalyst” module, the treated exhaust gas flows through the exhaust pipe 320 to the muffler 330 located on the other side of the rear trunk 10 and is discharged, specifically, the layout of the engine 100 and the muffler 330 helps to balance the left and right weights, and in addition, the pre-catalyst 310 is integrated with the engine 100, the hot end length is shortened, the catalyst reaches the working temperature faster, and the cold start emission performance is improved.

[0045] In some embodiments, referring to Figure 3The rear vehicle structure further comprises a power take-off 500 and a rear drive axle 600, the rear electric drive assembly 200 is connected to the power take-off 500, the power take-off 500 is connected to the rear drive axle 600, and the rear drive axle 600 is connected to the rear wheel power shaft 610, wherein the rear electric drive assembly 200 outputs torque to the rear wheel power shaft 610 through the power take-off 500 and the rear drive axle 600. When the rear wheels need to be driven, the torque output by the rear electric drive assembly 200 is first input to the power take-off 500. The power take-off 500, as a power distribution or conversion mechanism, adjusts and transmits the torque to the rear drive axle 600. The main reducer and differential in the rear drive axle 600 further amplify the torque and distribute it to the left and right rear wheel power shafts 610, which finally drive the wheels to rotate. Further, a transmission shaft 510 for transmitting torque is connected between the power take-off 500 and the rear drive axle 600, the transmission shaft 510 is located on the center axis of the vehicle and extends along the length direction X of the vehicle, and the rear drive axle 600 is connected to the rear wheel power shaft 610 at both ends in the width direction Y of the vehicle. The rear wheel power shaft 610 is connected to the rear wheel of the vehicle. The rotating power output from the power take-off 500 is transmitted to the input port of the rear drive axle 600 located in the center of the rear of the vehicle through the transmission shaft 510 arranged along the longitudinal center line of the vehicle body. The drive axle divides the torque and drives the left and right rear wheels through the left and right rear wheel power shafts 610 respectively. The central arrangement of the transmission shaft 510 ensures the symmetry of power transmission and avoids vibration problems caused by the offset of the transmission shaft 510.

[0046] In some embodiments, with reference to Figure 1 The rear vehicle structure further comprises a power take-off 500 and a rear drive axle 600, the rear electric drive assembly 200 is connected to the power take-off 500, the power take-off 500 is connected to the rear drive axle 600, and the rear drive axle 600 is connected to the rear wheel power shaft 610, wherein the rear electric drive assembly 200 outputs torque to the rear wheel power shaft 610 through the power take-off 500 and the rear drive axle 600. When the rear wheels need to be driven, the torque output by the rear electric drive assembly 200 is first input to the power take-off 500. The power take-off 500, as a power distribution or conversion mechanism, adjusts and transmits the torque to the rear drive axle 600. The main reducer and differential in the rear drive axle 600 further amplify the torque and distribute it to the left and right rear wheel power shafts 610, which finally drive the wheels to rotate. Further, a transmission shaft 510 for transmitting torque is connected between the power take-off 500 and the rear drive axle 600, the transmission shaft 510 is located on the center axis of the vehicle and extends along the length direction X of the vehicle, and the rear drive axle 600 is connected to the rear wheel power shaft 610 at both ends in the width direction Y of the vehicle. The rear wheel power shaft 610 is connected to the rear wheel of the vehicle. The rotating power output from the power take-off 500 is transmitted to the input port of the rear drive axle 600 located in the center of the rear of the vehicle through the transmission shaft 510 arranged along the longitudinal center line of the vehicle body. The drive axle divides the torque and drives the left and right rear wheels through the left and right rear wheel power shafts 610 respectively. The central arrangement of the transmission shaft 510 ensures the symmetry of power transmission and avoids vibration problems caused by the offset of the transmission shaft 510.

[0047] Specifically, with reference to Figure 4 In the vehicle of the embodiment of the present application, the vehicle further comprises an energy storage device 211 and a front electric drive assembly 400, the energy storage device 211 is installed at the middle part of the vehicle, and the energy storage device 211 is electrically connected with the rear electric drive assembly 200; the front electric drive assembly 400 is connected with the energy storage device 211, and the front electric drive assembly 400 is located at the front end of the vehicle and is used for outputting torque to the front wheel power shaft 410. The energy storage device 211 can be a power battery, the energy storage device 211 is charged by the rear electric drive assembly 200, at the same time, the energy storage device 211 serves as the energy source of the front electric drive assembly 400, and transmits torque to the front wheel power shaft 410 through the front electric drive assembly 400, thereby driving the front wheel.

[0048] Further, in the rear structure of the vehicle, the rear electric drive assembly 200, the engine 100, the power takeoff 500 and the rear drive axle 600 constitute the power system of the vehicle, wherein, with reference to Figure 3 The rear electric drive assembly 200 comprises a motor 210, a drive gear 220 and a switching mechanism 230, the motor 210 is connected to the energy storage device 211, and the motor 210 is used for inputting electric energy to the energy storage device 211; the drive gear 220 is connected with the rear wheel power shaft 610, and the drive gear 220 is used for outputting torque to the rear wheel power shaft 610; the switching mechanism 230 is connected with the engine 100; wherein, the engine 100 is connected with the motor 210 or the drive gear 220 through the switching mechanism 230, so as to switch between the range extending mode and the direct drive mode. In the embodiment, when it is needed to enter the direct drive mode, the engine 100 is coupled to the drive gear 220 and drives the drive gear 220, and the torque of the drive gear 220 is directly output and drives the rear wheel; when it is needed to enter the range extending mode, the engine 100 is coupled to the motor 210, the engine 100 is only used for generating electricity, the electric energy can be supplied to the energy storage device 211, and finally the energy storage device 211 drives the front electric drive assembly 400 to output torque.

[0049] In some embodiments, with reference to Figure 3The switching mechanism 230 includes a power output shaft 231, a first gear 232, a second gear 233, and a clutch 234. The power output shaft 231 is connected to the engine 100; the first gear 232 is connected to the motor 210 and is mounted on the power output shaft 231; the second gear 233 is connected to the drive gear 220 and is mounted on the power output shaft 231; the clutch 234 is mounted on the power output shaft 231 and is used to disengage or engage with the power output shaft 231 so that the torque of the power output shaft 231 is output to the first gear 232 or to the second gear 233. The power output from the engine 100 drives the power output shaft 231 to rotate. When the clutch 234 engages with the power output shaft 231, locking the power output shaft 231 to the second gear 233, the power flows to the drive gear 220, achieving direct drive. When clutch 234 disengages from power output shaft 231, power output shaft 231 disconnects from second gear 233. At this time, engine 100 power is transmitted to motor 210 via first gear 232 for power generation. Furthermore, motor 210 can be driven by energy storage device 211. When clutch 234 engages with power output shaft 231 and engine 100 is not running, motor 210 drives first gear 232 to rotate via electric drive gear 212 mounted on it, which in turn drives second gear 233 to rotate, ultimately transmitting torque to the rear wheels of the vehicle for pure electric rear-wheel drive. Additionally, the front wheels of the vehicle can also be driven via the aforementioned front electric drive assembly 400 for pure electric four-wheel drive. It should be noted that the above-described hybrid power principle is a conventional technique for those skilled in the art, and is only described in principle without detailed explanation.

[0050] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0051] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0052] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

[0053] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A rear structure for a vehicle, characterized in that, include: Rear compartment (10); Engine (100); The rear wheel drive axle (610) is located on the front side of the rear compartment (10); A rear electric drive assembly (200) is connected to the engine (100) and is used to output torque to the rear wheel drive axle (610) or to input electrical energy to an energy storage device (211). An exhaust assembly (300) is connected to the engine (100); The engine (100), the rear electric drive assembly (200) and the exhaust assembly (300) are integrated in the rear compartment (10).

2. The vehicle rear structure according to claim 1, characterized in that, The exhaust assembly (300) includes a pre-catalyst (310), an exhaust pipe (320), and a muffler (330) connected sequentially along the vehicle width direction (Y).

3. The vehicle rear structure according to claim 2, characterized in that, The engine (100) and the muffler (330) are respectively located at both ends of the rear compartment (10) along the vehicle width direction (Y). The engine (100) extends along the vehicle width direction (Y). The pre-catalyst (310) is connected to the engine (100) and integrated with the engine (100) in the same position.

4. The vehicle rear structure according to claim 1, characterized in that, It also includes a power take-off (500) and a rear drive axle (600), the rear electric drive assembly (200) is connected to the power take-off (500), the power take-off (500) is connected to the rear drive axle (600), and the rear drive axle (600) is connected to the rear wheel drive shaft (610), wherein the rear electric drive assembly (200) outputs torque to the rear wheel drive shaft (610) through the power take-off (500) and the rear drive axle (600).

5. The vehicle rear structure according to claim 4, characterized in that, A drive shaft (510) for transmitting torque is connected between the power take-off (500) and the rear drive axle (600). The drive shaft (510) is located on the centerline of the vehicle and extends along the length direction (X) of the vehicle. The rear drive axle (600) is connected to the rear wheel drive shaft (610) at both ends in the width direction (Y) of the vehicle. The rear wheel drive shaft (610) is connected to the rear wheel of the vehicle.

6. The vehicle rear structure according to claim 1, characterized in that, The rear compartment (10) is provided with a floor plate (11), and the floor plate (11) is provided with a notch (12) that runs through its upper and lower surfaces. The engine (100) and the rear electric drive assembly (200) are built into the notch (12). The upper part of the engine (100) and the rear electric drive assembly (200) is located above the base plate (11), and the lower part of the engine (100) and the rear electric drive assembly (200) is located below the base plate (11). The part of the exhaust assembly (300) connected to the engine (100) is built into the notch (12), and the rest is located below the base plate (11).

7. The vehicle rear structure according to claim 6, characterized in that, A top cover (13) is provided above the base plate (11), the top cover (13) covers the notch and wraps around part of the upper part of the engine (100) and the rear electric drive assembly (200).

8. The vehicle rear structure according to claim 1, characterized in that, The rear electric drive assembly (200) includes: A motor (210) is connected to an energy storage device (211), the motor (210) being used to input electrical energy into the energy storage device (211); A drive gear (220) is connected to a rear wheel drive shaft (610), the drive gear (220) being used to output torque to the rear wheel drive shaft (610); A switching mechanism (230) is connected to the engine (100); The engine (100) is connected to the motor (210) or the drive gear (220) via the switching mechanism (230) to switch between range-extending mode and direct drive mode.

9. The vehicle rear structure according to claim 8, characterized in that, The switching mechanism (230) includes: The power take-off shaft (231) is connected to the engine (100); The first gear (232) is connected to the motor (210), and the first gear (232) is mounted on the power output shaft (231); The second gear (233) is connected to the drive gear (220), and the second gear (233) is disposed on the power output shaft (231); A clutch (234) is disposed on the power output shaft (231). The clutch (234) is used to disengage from or engage with the power output shaft (231) so that the torque of the power output shaft (231) is output to the first gear (232) or to the second gear (233).

10. A vehicle, characterized in that, include: The vehicle rear structure according to any one of claims 1 to 9; An energy storage device (211) is installed in the middle of the vehicle and is electrically connected to the rear electric drive assembly (200). A front electric drive assembly (400) is connected to the energy storage device (211). The front electric drive assembly (400) is located at the front of the vehicle and is used to output torque to the front wheel drive axle (410).

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