Hybrid power box and vehicle

Abstract

The utility model relates to a hybrid power box and a vehicle. The hybrid power box comprises a first gear used for being in transmission connection with a first output shaft of a generator, an oil pump gear meshed with the first gear, a second gear used for being in transmission connection with a second output shaft of an engine and a third gear used for being in transmission connection with wheels through a transmission module. The third gear is further used for being in transmission connection with a third output shaft of the driving motor. The oil pump gear is used for stirring lubricating oil to reduce noise, improve transmission efficiency and prolong the service life of the gear. The second gear and the third gear are distributed on the two sides of the transmission module in the second direction, the size of the hybrid power box in the first direction is reduced, and the space needed by the hybrid power box in the first direction is reduced.

Description

TECHNICAL FIELD

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

[0002] With the rapid development of current new energy vehicles, the current hybrid vehicle has more and more requirements for the architecture of double motor + multiple gears, and the longitudinal architecture is also gradually popularized to off-road, pickup and light truck models. However, the current commonly used hybrid box is a long shaft integrated structure, which leads to a larger axial size of the hybrid box and higher demand for axial space. CONTENT OF THE UTILITY MODEL

[0003] The present application relates to a hybrid box and a vehicle, which can reduce the size of the hybrid box and reduce the space demand of the hybrid box.

[0004] The first aspect of the present application provides a hybrid box, which comprises: a first gear, the first gear being used for transmission connection with a first output shaft of a generator; an oil pump gear, the oil pump gear being engaged with the first gear, and the oil pump gear being used for stirring lubricating oil; a second gear, the second gear being used for transmission connection with a second output shaft of an engine, and the second gear being used for transmission connection with wheels through a transmission module; and a third gear, the third gear being used for transmission connection with a third output shaft of a drive motor, and the third gear also being transmission connected with the transmission module, and the third gear being used for transmission connection with the wheels through the transmission module; the oil pump gear, the first gear and the second gear are distributed along a first direction, the second gear is transmission connected with the first gear, the second gear can drive the oil pump gear to rotate through the first gear to stir the lubricating oil, and the first direction is perpendicular to the axial directions of the first output shaft, the second output shaft and the third output shaft; the second gear and the third gear are distributed on two sides of the transmission module in a second direction, and the second direction is parallel to the axial directions of the first output shaft, the second output shaft and the third output shaft.

[0005] In the present application, the oil pump gear is used for stirring lubricating oil to play a lubricating role, reduce noise, improve transmission efficiency and prolong the service life of the gear. The oil pump gear is engaged with the first gear, and the first gear is directly or indirectly engaged with the second gear, so that the oil pump gear can rotate and stir the lubricating oil when the hybrid box is in an idle power generation working condition and an engine driving working condition, thereby improving the working performance of the hybrid box in the idle power generation working condition and the engine driving working condition and reducing noise. The second gear and the third gear are distributed on two sides of the transmission module in the second direction, which reduces the size of the hybrid box in the first direction, thereby reducing the space required by the hybrid box in the first direction.

[0006] In a possible design, the hybrid box further comprises a fourth gear, the fourth gear is located between the first gear and the second gear along the first direction, and the fourth gear is engaged with the first gear and the second gear on two sides thereof.

[0007] In a possible design, the transmission module includes a first transmission gear and a second transmission gear, the first transmission gear and the second transmission gear are respectively connected to the two sides of the first connecting shaft in the second direction, the first transmission gear is in transmission connection with the second gear, and the second transmission gear is in transmission connection with the third gear; the motor can drive the wheels to rotate through the second gear, the first transmission gear, and the driving motor can drive the wheels to rotate through the third gear, the second transmission gear, the first connecting shaft, and the first transmission gear.

[0008] In a possible design, the transmission module further includes a third transmission gear, a fourth transmission gear, and a clutch; the third transmission gear and the fourth transmission gear are installed on the two sides of the clutch in the second direction, and the third transmission gear and the fourth transmission gear are respectively in transmission connection with the first transmission gear; when the clutch is in a first gear condition, the clutch is in transmission connection with the third transmission gear, and the generator can drive the wheels to rotate through the second gear, the clutch, the third transmission gear, and the first transmission gear; when the clutch is in a second gear condition, the clutch is in transmission connection with the fourth transmission gear, and the motor can drive the wheels to rotate through the second gear, the clutch, the fourth transmission gear, and the first transmission gear.

[0009] In a possible design, the fourth transmission gear is in mesh with the second transmission gear, the motor can drive the wheels to rotate through the second gear, the clutch, the fourth transmission gear, the second transmission gear, the first connecting shaft, and the first transmission gear when the clutch is in the second gear condition; or the transmission module further includes a fifth transmission gear, the fifth transmission gear is installed on the first connecting shaft, the fifth transmission gear is located between the first transmission gear and the second transmission gear in the second direction, the fourth transmission gear is in transmission connection with the fifth transmission gear, and the motor can drive the wheels to rotate through the second gear, the clutch, the fourth transmission gear, the fifth transmission gear, the first connecting shaft, and the first transmission gear when the clutch is in the second gear condition.

[0010] In a possible design, the transmission module further includes a second connecting shaft, the second connecting shaft has a first shaft sleeve and a second shaft sleeve distributed along the second connecting shaft, and the first shaft sleeve and the second shaft sleeve can rotate relative to the second connecting shaft about the axis of the second connecting shaft; the clutch is installed on the second connecting shaft, one end of the first shaft sleeve extends into the clutch, the other end of the first shaft sleeve extends out of the clutch and is used for being in transmission connection with the third transmission gear, one end of the second shaft sleeve extends into the clutch, and the other end of the second shaft sleeve extends out of the clutch and is used for being in transmission connection with the fourth transmission gear; the clutch is in transmission connection with the first shaft sleeve when the clutch is in the first gear condition, and the clutch can drive the third transmission gear to rotate through the first shaft sleeve; the clutch is in transmission connection with the second shaft sleeve when the clutch is in the second gear condition, and the clutch can drive the fourth transmission gear to rotate through the second shaft sleeve.

[0011] In a possible design, in the first direction, a distance between the second connecting shaft and the rotation axis of the second gear is greater than 0; the transmission module further includes a sixth transmission gear and a seventh transmission gear, the sixth transmission gear is configured to be in transmission connection with the second output shaft, the sixth transmission gear is distributed along the second direction with the second gear, the seventh transmission gear is configured to be in transmission connection with the second connecting shaft, the sixth transmission gear is in mesh with the seventh transmission gear; the second output shaft can drive the third transmission gear or the fourth transmission gear to rotate through the sixth transmission gear, the seventh transmission gear, the second connecting shaft and the clutch.

[0012] In a possible design, the transmission module further includes an eighth transmission gear, the eighth transmission gear is in transmission connection with the first connecting shaft, and the eighth transmission gear is located between the first transmission gear and the second transmission gear along the second direction; the clutch and the first transmission gear are in transmission connection through the eighth transmission gear.

[0013] In a possible design, the hybrid box further includes an oil seal, the oil seal is located between the first transmission gear and the eighth transmission gear along the second direction, and a part of the first connecting shaft passes through the oil seal.

[0014] The second aspect of the present application provides a vehicle, which includes: a vehicle body; the hybrid box according to any one of the preceding items, the hybrid box being mounted on the vehicle body; a generator, an engine, a drive motor and a wheel mounted on the vehicle body, and the generator, the engine, the drive motor and the wheel are in transmission connection with the hybrid box.

[0015] In the present application, the oil pump gear is used to stir lubricating oil to play a lubricating role, reduce the noise of the vehicle and prolong the service life of the vehicle. The oil pump gear is in mesh with the first gear, and the first gear is directly or indirectly in mesh with the second gear, so that the oil pump gear can rotate and stir lubricating oil when the hybrid box is in the idle power generation working condition and the engine driving working condition, thereby improving the working performance of the vehicle in the idle power generation working condition and the engine driving working condition and reducing the noise of the vehicle. The second gear and the third gear are distributed on both sides of the transmission module in the second direction, which reduces the size of the hybrid box in the first direction, thereby reducing the space required by the hybrid box in the first direction, which is conducive to increasing the types and quantities of parts mounted on the vehicle body, thereby improving the integration and performance of the vehicle.

[0016] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A connection structure diagram of the hybrid box provided in the present application in an embodiment;

[0018] Figure 2 A transmission diagram of the hybrid box in the present application in the idle power generation working condition; Figure 1 A transmission diagram of the hybrid box in the present application in the idle power generation working condition;

[0019] Figure 3 is Figure 1 the transmission schematic diagram when the hybrid box in the engine one gear condition;

[0020] Figure 4 is Figure 1 the transmission schematic diagram when the hybrid box in the engine two gear condition;

[0021] Figure 5 is Figure 1 the transmission schematic diagram when the hybrid box in the pure electric condition.

[0022] Reference signs:

[0023] 01 - generator; 011 - first output shaft; 02 - engine; 021 - second output shaft; 03 - drive motor; 031 - third output shaft; 04 - wheel; 041 - differential; 042 - differential spiral ring gear; 1 - first gear; 2 - oil pump gear; 3 - second gear; 4 - third gear; 5 - transmission module; 51 - first transmission gear; 52 - second transmission gear; 53 - first connecting shaft; 54 - third transmission gear; 55 - fourth transmission gear; 56 - clutch; 57 - fifth transmission gear; 58 - second connecting shaft; 581 - first shaft sleeve; 582 - second shaft sleeve; 59 - sixth transmission gear; 5A - seventh transmission gear; 5B - eighth transmission gear; 6 - fourth gear; 7 - oil seal.

[0024] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application. DETAILED DESCRIPTION

[0025] For a better understanding of the technical solutions of the present application, the embodiments of the present application are described in detail below with reference to the drawings.

[0026] It should be clear that the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] The terms used in the embodiments of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0028] It should be understood that the term "and / or" used herein is merely an association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A existing alone, A and B existing together, and B existing alone. In addition, the character " / " herein generally represents an "or" relationship between the front and rear associated objects.

[0029] It should be noted that the terms "upper", "lower", "left", "right" and the like described in the embodiments of the present application are described from the angle shown in the drawings, and should not be understood as a limitation of the embodiments of the present application. In addition, in the context, it should also be understood that when referring to an element connected to another element "on" or "under", it can be directly connected to another element "on" or "under", or indirectly connected to another element "on" or "under" through an intermediate element.

[0030] The first aspect of the embodiments of the present application provides a hybrid box, such as Figure 1 As shown, the hybrid box comprises: a first gear 1, the first gear 1 is used for driving connection with a first output shaft 011 of a generator 01; an oil pump gear 2, the oil pump gear 2 is engaged with the first gear 1, and the oil pump gear 2 is used for stirring lubricating oil; a second gear 3, the second gear 3 is used for driving connection with a second output shaft 021 of an engine 02, and the second gear 3 is used for driving connection with a wheel 04 through a transmission module 5; a third gear 4, the third gear 4 is used for driving connection with a third output shaft 031 of a driving motor 03, and the third gear 4 is also driving connection with the transmission module 5, and the third gear 4 is used for driving connection with the wheel 04 through the transmission module 5; the oil pump gear 2, the first gear 1 and the second gear 3 are distributed along a first direction X, the second gear 3 is driving connection with the first gear 1, and the second gear 3 can drive the oil pump gear 2 to rotate through the first gear 1 to stir the lubricating oil, and the first direction X is perpendicular to the axial direction of the first output shaft 011, the second output shaft 021 and the third output shaft 031; the second gear 3 and the third gear 4 are distributed on both sides of the transmission module 5 along a second direction Y, and the second direction Y is parallel to the axial direction of the first output shaft 011, the second output shaft 021 and the third output shaft 031.

[0031] In the present embodiment, the oil pump gear 2 is used for stirring lubricating oil to play a lubricating role, reduce noise, improve transmission efficiency and prolong the service life of the gear. The oil pump gear 2 is engaged with the first gear 1, and the first gear 1 is directly or indirectly engaged with the second gear 3, so that the oil pump gear 2 can rotate and stir the lubricating oil when the hybrid box is in the idle generating condition and the engine driving condition, thereby improving the working performance of the hybrid box in the idle generating condition and the engine driving condition and reducing noise. The second gear 3 and the third gear 4 are distributed on both sides of the transmission module 5 along the second direction Y, which reduces the size of the hybrid box in the first direction X, thereby reducing the space required by the hybrid box in the first direction X.

[0032] As shown in Figure 1 The hybrid box further comprises a fourth gear 6, which is located between the first gear 1 and the second gear 3 along the first direction X, and meshes with the first gear 1 and the second gear 3 on both sides.

[0033] In this embodiment, the first gear 1 and the second gear 3 are indirectly meshed through the fourth gear 6, which is beneficial to increase the setting distance of the engine 02 and the generator 01 along the first direction X, thereby increasing the setting space of the engine 02 and the generator 01, facilitating the installation of the generator 01 and the engine 02, and also increasing the flexibility of the setting position of the engine 02 and the generator 01, which is beneficial to improve the working performance and stability of the engine 02 and the generator 01.

[0034] As shown in Figure 1 The transmission module 5 comprises a first transmission gear 51 and a second transmission gear 52, which are respectively transmissionally connected to the two sides of the first connecting shaft 53 along the second direction Y, the first transmission gear 51 is transmissionally connected with the second gear 3, and the second transmission gear 52 is transmissionally connected with the third gear 4; the engine 02 can drive the wheels 04 to rotate through the second gear 3 and the first transmission gear 51, so that the vehicle is in the engine driving working condition, and the drive motor 03 can drive the wheels 04 to rotate through the third gear 4, the second transmission gear 52, the first connecting shaft 53 and the first transmission gear 51, so that the vehicle is in the drive motor 03 driving working condition.

[0035] In this embodiment, the vehicle can be driven by the engine 02 or the drive motor 03, so that the vehicle is a hybrid vehicle, thereby facilitating to increase the running mileage of the vehicle.

[0036] As shown in Figure 1 The transmission module 5 further comprises a third transmission gear 54, a fourth transmission gear 55 and a clutch 56; the third transmission gear 54 and the fourth transmission gear 55 are installed on the two sides of the clutch 56 along the second direction Y, and the third transmission gear 54 and the fourth transmission gear 55 are respectively transmissionally connected with the first transmission gear 51; when the clutch 56 is in the first gear working condition, the clutch 56 is transmissionally connected with the third transmission gear 54, and the generator 01 can drive the wheels 04 to rotate through the second gear 3, the clutch 56, the third transmission gear 54 and the first transmission gear 51; when the clutch 56 is in the second gear working condition, the clutch 56 is transmissionally connected with the fourth transmission gear 55, and the engine 02 can drive the wheels 04 to rotate through the second gear 3, the clutch 56, the fourth transmission gear 55 and the first transmission gear 51.

[0037] In the embodiment, when the clutch 56 is in the first gear state, the vehicle is in the first gear state of the engine, and when the clutch 56 is in the second gear state, the vehicle is in the second gear state of the engine, so that the vehicle can be shifted in the engine driving state, thereby improving the performance of the vehicle. By controlling the transmission connection of the clutch 56 with the third transmission gear 54 or the fourth transmission gear 55, the speed of the vehicle is adjusted, the adjustment mode of the speed of the vehicle is simplified, thereby facilitating the simplification of the structure of the hybrid box and the reduction of the cost of the hybrid box.

[0038] In an embodiment, the fourth transmission gear 55 is directly engaged with the second transmission gear 52, and when the clutch 56 is in the second gear state, the engine 02 can drive the wheel 04 to rotate through the second gear 3, the clutch 56, the fourth transmission gear 55, the second transmission gear 52, the first connecting shaft 53 and the first transmission gear 51. In order to further simplify the structure of the hybrid box and reduce the cost of the hybrid box.

[0039] In another embodiment, as shown in Figure 1 The transmission module 5 further includes a fifth transmission gear 57, the fifth transmission gear 57 is installed on the first connecting shaft 53, and the fifth transmission gear 57 is located between the first transmission gear 51 and the second transmission gear 52 along the second direction Y. The fourth transmission gear 55 is in transmission connection with the fifth transmission gear 57, and when the clutch 56 is in the second gear state, the engine 02 can drive the wheel 04 to rotate through the second gear 3, the clutch 56, the fourth transmission gear 55, the fifth transmission gear 57, the first connecting shaft 53 and the first transmission gear 51.

[0040] In the embodiment, the fifth transmission gear 57 is arranged, so that the third transmission gear 54 and the first transmission gear 51 are distributed along the first direction X, and the fourth transmission gear 55 and the first transmission gear 51 are distributed in the second direction Y. In order to increase the distance between the third transmission gear 54 and the fourth transmission gear 55 in the second direction Y, thereby increasing the installation space of the clutch 56, facilitating the installation of the clutch 56, and improving the working stability of the clutch 56.

[0041] As shown in Figure 1As shown, the transmission module 5 also includes a second connecting shaft 58, which has a first bushing 581 and a second bushing 582 distributed along its length. Both the first bushing 581 and the second bushing 582 are rotatable relative to the second connecting shaft 58 about its axis. A clutch 56 is mounted on the second connecting shaft 58. One end of the first bushing 581 extends into the clutch 56, and the other end extends out of the clutch 56 and is used for transmission connection with the third transmission gear 54. One end of the second bushing 582 extends into the clutch 56, and the other end extends out of the clutch 56 and is used for transmission connection with the fourth transmission gear 55. When the clutch 56 is in first gear, the clutch 56 is transmissionally connected to the first bushing 581, and the clutch 56 can drive the third transmission gear 54 to rotate through the first bushing 581. When the clutch 56 is in second gear, the clutch 56 is transmissionally connected to the second bushing 582, and the clutch 56 can drive the fourth transmission gear 55 to rotate through the second bushing 582.

[0042] In this embodiment, the vehicle can switch between engine first gear and engine second gear by adjusting the connection between the first bushing 581 or the second bushing 582 and the clutch 56. This simplifies the switching method of the vehicle's operating conditions, shortens the switching cycle, and thus improves the vehicle's performance.

[0043] In one embodiment, the second connecting shaft 58 is directly connected to the second output shaft 021, or a portion of the second output shaft 021 is extended along the second direction Y to form the second connecting shaft 58.

[0044] In another embodiment, such as Figure 1 As shown, in the first direction X, there is a distance greater than 0 between the second connecting shaft 58 and the rotating shaft of the second gear 3; the transmission module 5 also includes a sixth transmission gear 59 and a seventh transmission gear 5A. The sixth transmission gear 59 is used for transmission connection with the second output shaft 021. The sixth transmission gear 59 and the second gear 3 are distributed along the second direction Y. The seventh transmission gear 5A is used for transmission connection with the second connecting shaft 58. The sixth transmission gear 59 and the seventh transmission gear 5A mesh; the second output shaft 021 can drive the third transmission gear 54 or the fourth transmission gear 55 to rotate through the sixth transmission gear 59, the seventh transmission gear 5A, the second connecting shaft 58 and the clutch 56.

[0045] In this embodiment, the second output shaft 021 and the second connecting shaft 58 are staggered in the first direction X, which helps to improve the flexibility of the setting position of the clutch 56, thereby reducing the difficulty of the transmission connection between the clutch 56 and the wheel 04, and further reducing the structural complexity of the hybrid box, so as to reduce the size of the hybrid box and reduce the cost of the hybrid box.

[0046] like Figure 1As shown, the transmission module 5 further comprises an eighth transmission gear 5B, the eighth transmission gear 5B is in transmission connection with the first connecting shaft 53, and the eighth transmission gear 5B is located between the first transmission gear 51 and the second transmission gear 52 along the second direction Y; the clutch 56 and the first transmission gear 51 are in transmission connection through the eighth transmission gear 5B.

[0047] In the embodiment, the eighth transmission gear 5B is arranged, the flexibility of the transmission connection between the clutch 56 and the first transmission gear 51 is increased, thereby facilitating the flexible arrangement of the positions of the clutch 56 and the first transmission gear 51, so as to facilitate the adjustment of the size of the hybrid box. In addition, since the differential 041 and the differential spiral ring gear 042 are connected on the wheel 04, the first transmission gear 51 is in meshing with the differential spiral ring gear 042, therefore, the first transmission gear 51 is a spiral bevel gear structure, by arranging the eighth transmission gear 5B, the transmission between the clutch 56 and the first transmission gear 51 is all relied on spur gears, thereby reducing the transmission cost between the clutch 56 and the first transmission gear 51.

[0048] As shown, Figure 1 As shown, the hybrid box further comprises an oil seal 7, the oil seal 7 is located between the first transmission gear 51 and the eighth transmission gear 5B along the second direction Y, and a part of the first connecting shaft 53 passes through the oil seal 7.

[0049] In the embodiment, the oil seal 7 is arranged, the risk of leakage of lubricating oil in the hybrid box can be reduced, thereby improving the environmental protection level and safety performance of the hybrid box and the vehicle during the working process.

[0050] The second aspect of the application provides a vehicle, the vehicle comprising a vehicle body, a generator 01, an engine 02, a drive motor 03, a wheel 04 and the hybrid box mounted on the vehicle body, the generator 01, the engine 02, the drive motor 03 and the wheel 04 are in transmission connection with the hybrid box.

[0051] In the embodiment, the oil pump gear 2 is used to stir the lubricating oil to play a lubricating role, reduce the noise of the vehicle, and prolong the service life of the vehicle. The oil pump gear 2 is in meshing with the first gear 1, and the first gear 1 is directly or indirectly in meshing with the second gear 3, so that the oil pump gear 2 can rotate and stir the lubricating oil when the hybrid box is in the idle generating working condition and the engine driving working condition, thereby improving the working performance of the vehicle in the idle generating working condition and the engine driving working condition, and reducing the noise of the vehicle. The second gear 3 and the third gear 4 are distributed on both sides of the transmission module 5 along the second direction Y, thereby reducing the size of the hybrid box in the first direction X, reducing the space required by the hybrid box in the first direction X, and facilitating the increase of the types and quantities of parts mounted on the vehicle body, thereby improving the integration and performance of the vehicle.

[0052] In summary, when the vehicle is in the idle generating working condition, as shown inFigure 2 As shown, the generator 01 drives the first gear 1 through the first output shaft 011, the first gear 1 drives the oil pump gear 2 engaged with itself to rotate, and the oil pump gear 2 stirs the lubricating oil for lubrication between gear transmissions; at the same time, the first gear 1 drives the second gear 3 engaged with itself to rotate, the second gear 3 drives the sixth transmission gear 59 through the second output shaft 021, the sixth transmission gear 59 drives the seventh transmission gear 5A engaged with itself to rotate, and with reference to Figure 1 , the seventh transmission gear 5A drives the second connecting shaft 58 to rotate, and since the clutch 56 is in the closed state, the first shaft sleeve 581 and the second shaft sleeve 582 of the second connecting shaft 58 are not in transmission connection with the clutch 56, that is, the second connecting shaft 58 idles inside the clutch 56, and the clutch 56 cannot drive the wheel 04 to rotate.

[0053] When the vehicle is in the engine driving mode and the vehicle is in the engine first gear mode, as shown in Figure 3 , the second output shaft 021 of the engine 02 drives the second gear 3 to rotate, the second gear 3 drives the fourth gear 6, the first gear 1 and the oil pump gear 2 to rotate at the same time, so as to realize the lubrication between gear transmissions; at the same time, the second output shaft 021 drives the sixth transmission gear 59 to rotate, the sixth transmission gear 59 drives the seventh transmission gear 5A engaged with itself to rotate, the seventh transmission gear 5A drives the third transmission gear 54 through the second connecting shaft 58 and the clutch 56, the third transmission gear 54 drives the eighth transmission gear 5B engaged with itself to rotate, the eighth transmission gear 5B drives the first connecting shaft 53 to rotate, the first connecting shaft 53 drives the first transmission gear 51 to rotate, and the first transmission gear 51 drives the wheel 04 through the differential spiral ring gear 042.

[0054] When the vehicle is in the engine driving mode and the vehicle is in the engine second gear mode, as shown in Figure 4 , the second output shaft 021 of the engine 02 drives the second gear 3 to rotate, the second gear 3 drives the fourth gear 6, the first gear 1 and the oil pump gear 2 to rotate at the same time, so as to realize the lubrication between gear transmissions; at the same time, the second output shaft 021 drives the sixth transmission gear 59 to rotate, the sixth transmission gear 59 drives the seventh transmission gear 5A engaged with itself to rotate, the seventh transmission gear 5A drives the fourth transmission gear 55 through the second connecting shaft 58 and the clutch 56, the fourth transmission gear 55 drives the fifth transmission gear 57 engaged with itself to rotate, the fifth transmission gear 57 drives the first connecting shaft 53 to rotate, the first connecting shaft 53 drives the first transmission gear 51 to rotate, and the first transmission gear 51 drives the wheel 04 through the differential spiral ring gear 042.

[0055] When the vehicle is in the electric driving mode, as shown in Figure 5As shown, the driving motor 03 drives the third gear 4 through the third output shaft 031, the third gear 4 drives the second transmission gear 52 engaged with itself to rotate, the second transmission gear 52 drives the first transmission gear 51 through the first connecting shaft 53 to rotate, the first transmission gear 51 drives the wheel 04 through the differential spiral ring gear 042 to rotate, and the first transmission gear 51 drives the fifth transmission gear 57 through the first connecting shaft 53 to rotate, the fifth transmission gear 57 drives the fourth transmission gear 55 engaged with itself to rotate, and since the clutch 56 is in the closed state, the first shaft sleeve 581 and the second shaft sleeve 582 of the second connecting shaft 58 are not in transmission connection with the clutch 56, that is, the fourth transmission gear 55 idles on the second connecting shaft 58. Figure 1

[0056] The above only describes optional embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.​

Claims

1. A hybrid case, characterized by, The hybrid box comprises: a first gear for driving connection with a first output shaft of a generator; an oil pump gear engaged with the first gear, the oil pump gear for stirring lubricating oil; a second gear for driving connection with a second output shaft of an engine, the second gear for driving connection with wheels through a transmission module; a third gear for driving connection with a third output shaft of a drive motor, the third gear also driving connection with the transmission module, the third gear for driving connection with the wheels through the transmission module; the oil pump gear, the first gear and the second gear are distributed along a first direction, the second gear driving connection with the first gear, the second gear capable of driving the oil pump gear to rotate through the first gear to stir lubricating oil, the first direction being perpendicular to axial directions of the first output shaft, the second output shaft and the third output shaft; the second gear and the third gear are distributed on two sides of the transmission module along a second direction, the second direction being parallel to the axial directions of the first output shaft, the second output shaft and the third output shaft.

2. The hybrid case of claim 1, wherein, The hybrid box further comprises a fourth gear, the fourth gear being located between the first gear and the second gear along the first direction, the fourth gear being engaged with the first gear and the second gear on two sides respectively.

3. The hybrid case of claim 1, wherein, The transmission module comprises a first transmission gear and a second transmission gear, the first transmission gear and the second transmission gear being drivingly connected to two sides of a first connecting shaft along the second direction, the first transmission gear driving connection with the second gear, the second transmission gear driving connection with the third gear; the engine capable of driving the wheels to rotate through the second gear, the first transmission gear, the drive motor capable of driving the wheels to rotate through the third gear, the second transmission gear, the first connecting shaft and the first transmission gear.

4. The hybrid case of claim 3, wherein, The transmission module further comprises a third transmission gear, a fourth transmission gear and a clutch; the third transmission gear and the fourth transmission gear being installed on two sides of the clutch along the second direction, the third transmission gear and the fourth transmission gear being drivingly connected with the first transmission gear respectively; when the clutch is in a first gear condition, the clutch driving connection with the third transmission gear, the generator capable of driving the wheels to rotate through the second gear, the clutch, the third transmission gear and the first transmission gear; when the clutch is in a second gear condition, the clutch driving connection with the fourth transmission gear, the engine capable of driving the wheels to rotate through the second gear, the clutch, the fourth transmission gear and the first transmission gear.

5. The hybrid case of claim 4, wherein, the fourth transmission gear being engaged with the second transmission gear, when the clutch is in the second gear condition, the engine capable of driving the wheels to rotate through the second gear, the clutch, the fourth transmission gear, the second transmission gear, the first connecting shaft and the first transmission gear; Alternatively, the transmission module further comprises a fifth transmission gear, the fifth transmission gear is installed on the first connecting shaft, and the fifth transmission gear is located between the first transmission gear and the second transmission gear in the second direction, the fourth transmission gear is in transmission connection with the fifth transmission gear, and the engine can drive the wheels to rotate through the second gear, the clutch, the fourth transmission gear, the fifth transmission gear, the first connecting shaft and the first transmission gear when the clutch is in the second gear working condition.

6. The hybrid case of claim 4, wherein, The transmission module further comprises a second connecting shaft, the second connecting shaft has a first shaft sleeve and a second shaft sleeve distributed along the second connecting shaft, and the first shaft sleeve and the second shaft sleeve can rotate relative to the second connecting shaft about the axis of the second connecting shaft; The clutch is installed on the second connecting shaft, one end of the first shaft sleeve extends into the clutch, the other end of the first shaft sleeve extends out of the clutch and is used for being in transmission connection with the third transmission gear, one end of the second shaft sleeve extends into the clutch, and the other end of the second shaft sleeve extends out of the clutch and is used for being in transmission connection with the fourth transmission gear; The clutch is in transmission connection with the first shaft sleeve when the clutch is in the first gear working condition, and the clutch can drive the third transmission gear to rotate through the first shaft sleeve; The clutch is in transmission connection with the second shaft sleeve when the clutch is in the second gear working condition, and the clutch can drive the fourth transmission gear to rotate through the second shaft sleeve.

7. The hybrid case of claim 6, wherein, In the first direction, there is a distance greater than 0 between the second connecting shaft and the rotating shaft of the second gear; The transmission module further comprises a sixth transmission gear and a seventh transmission gear, the sixth transmission gear is used for being in transmission connection with the second output shaft, the sixth transmission gear is distributed along the second direction with the second gear, the seventh transmission gear is used for being in transmission connection with the second connecting shaft, and the sixth transmission gear is in mesh with the seventh transmission gear; The second output shaft can drive the third transmission gear or the fourth transmission gear to rotate through the sixth transmission gear, the seventh transmission gear, the second connecting shaft and the clutch.

8. The hybrid case according to any one of claims 4 to 7, characterized in that, The transmission module further comprises an eighth transmission gear, the eighth transmission gear is in transmission connection with the first connecting shaft, and the eighth transmission gear is located between the first transmission gear and the second transmission gear in the second direction; The clutch and the first transmission gear are in transmission connection through the eighth transmission gear.

9. The hybrid case of claim 8, wherein, The hybrid box further comprises an oil seal, the oil seal is located between the first transmission gear and the eighth transmission gear in the second direction, and a part of the first connecting shaft penetrates through the oil seal.

10. A vehicle characterized by comprising: The vehicle comprises: A vehicle body; The hybrid box according to any one of claims 1 to 9, the hybrid box being installed on the vehicle body; An electric generator, an engine, a driving motor and wheels installed on the vehicle body, and the electric generator, the engine, the driving motor and the wheels are in transmission connection with the hybrid box respectively. The transmission module further comprises a fifth transmission gear, the fifth transmission gear is installed on the first connecting shaft, and the fifth transmission gear is located between the first transmission gear and the second transmission gear in the second direction, the fourth transmission gear is in transmission connection with the fifth transmission gear, and the engine can drive the wheels to rotate through the second gear, the clutch, the fourth transmission gear, the fifth transmission gear, the first connecting shaft and the first transmission gear when the clutch is in the second gear working condition. The transmission module further comprises a second connecting shaft, the second connecting shaft has a first shaft sleeve and a second shaft sleeve distributed along the second connecting shaft, and the first shaft sleeve and the second shaft sleeve can rotate relative to the second connecting shaft about the axis of the second connecting shaft; The clutch is installed on the second connecting shaft, one end of the first shaft sleeve extends into the clutch, the other end of the first shaft sleeve extends out of the clutch and is used for being in transmission connection with the third transmission gear, one end of the second shaft sleeve extends into the clutch, and the other end of the second shaft sleeve extends out of the clutch and is used for being in transmission connection with the fourth transmission gear; The clutch is in transmission connection with the first shaft sleeve when the clutch is in the first gear working condition, and the clutch can drive the third transmission gear to rotate through the first shaft sleeve; The clutch is in transmission connection with the second shaft sleeve when the clutch is in the second gear working condition, and the clutch can drive the fourth transmission gear to rotate through the second shaft sleeve. In the first direction, there is a distance greater than 0 between the second connecting shaft and the rotating shaft of the second gear; The transmission module further comprises a sixth transmission gear and a seventh transmission gear, the sixth transmission gear is used for being in transmission connection with the second output shaft, the sixth transmission gear is distributed along the second direction with the second gear, the seventh transmission gear is used for being in transmission connection with the second connecting shaft, and the sixth transmission gear is in mesh with the seventh transmission gear; The second output shaft can drive the third transmission gear or the fourth transmission gear to rotate through the sixth transmission gear, the seventh transmission gear, the second connecting shaft and the clutch. The transmission module further comprises an eighth transmission gear, the eighth transmission gear is in transmission connection with the first connecting shaft, and the eighth transmission gear is located between the first transmission gear and the second transmission gear in the second direction; The clutch and the first transmission gear are in transmission connection through the eighth transmission gear. The hybrid box further comprises an oil seal, the oil seal is located between the first transmission gear and the eighth transmission gear in the second direction, and a part of the first connecting shaft penetrates through the oil seal. The vehicle comprises: A vehicle body; The hybrid box according to any one of claims 1 to 9, the hybrid box being installed on the vehicle body; An electric generator, an engine, a driving motor and wheels installed on the vehicle body, and the electric generator, the engine, the driving motor and the wheels are in transmission connection with the hybrid box respectively.

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