CN211335570U - Power system of vehicle - Google Patents
Power system of vehicle Download PDFInfo
- Publication number
- CN211335570U CN211335570U CN201922070551.6U CN201922070551U CN211335570U CN 211335570 U CN211335570 U CN 211335570U CN 201922070551 U CN201922070551 U CN 201922070551U CN 211335570 U CN211335570 U CN 211335570U
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- connecting shaft
- differential
- engine
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Abstract
The utility model discloses a driving system of vehicle, driving system of vehicle includes: an engine; a housing provided at one axial side of the engine; the driving motor is arranged in the shell and comprises a first main shaft; the generator is arranged in the shell and is arranged in the shell with the driving motor side by side, and the generator comprises a second main shaft; the connecting shaft is arranged in the shell and connected with the engine, and the connecting shaft is in transmission with the second main shaft; and the differential mechanism is arranged in the shell, and the first main shaft and the connecting shaft are in transmission with the differential mechanism. Therefore, the engine and the differential are reasonably arranged, so that the vehicle is compact in structure and small in axial length.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a driving system of vehicle is related to.
Background
With the continuous development of society, the living standard of people is greatly improved, automobiles become an indispensable part in the life of people, and the improvement of a power system of an automobile as an important component of the automobile becomes more important.
In the related art, a power system of an automobile can transmit power generated by the power system to wheels through a series of power transmission. The conventional hybrid automobile has a large number of structural parts of a power system and a large axial distance, so that the structure is not compact enough.
Disclosure of Invention
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a power system of a vehicle, which can effectively save the axial space of the vehicle, thereby making the structure of the vehicle more compact.
According to the utility model discloses a driving system of vehicle, include: an engine; a housing provided at one axial side of the engine; the driving motor is arranged in the shell and comprises a first main shaft; the generator is arranged in the shell and arranged in the shell side by side with the driving motor, the driving motor and the generator are arranged in the shell side by side along the direction vertical to the axial direction of the engine, and the generator comprises a second main shaft; the connecting shaft is arranged in the shell and connected with the engine, and the connecting shaft is in transmission with the second main shaft; and the differential mechanism is arranged in the shell, and the first main shaft and the connecting shaft are in transmission with the differential mechanism.
Therefore, according to the utility model discloses a driving system of vehicle through set up engine and differential mechanism rationally, can make the compact structure of vehicle, and axial length is little.
In some examples of the invention, the differential and the connecting shaft are provided with a first gear set, the connecting shaft and a second gear set are provided between the second main shafts, the first gear set and the second gear set are two meshed gears.
In some examples of the present invention, a clutch is further provided on the connecting shaft for selectively engaging the engine.
In some examples of the invention, the differential includes an output shaft, the connecting shaft is located obliquely above the output shaft and near the generator, the second main shaft is disposed obliquely above the connecting shaft.
In some examples of the present invention, a countershaft is provided between the first main shaft and the differential, and a third gear set is provided between the connecting shaft and the countershaft, the third gear set being two meshed gears.
In some examples of the invention, the connecting shaft and be provided with the fourth gear train between the second main shaft, the fourth gear train includes that three meshing gear and intermediate gear in order are the idler.
In some examples of the invention, the differential includes an output shaft, and an axis of the connecting shaft and an axis of the output shaft are located in a same horizontal plane.
In some examples of the invention, the first main shaft and the differential are provided with a countershaft therebetween, the connecting shaft and be provided with a fifth gear set between the countershaft, the fifth gear set includes three gears that mesh in order and intermediate gear is the idler.
In some examples of the invention, a sixth gear set is provided between the connecting shaft and the second main shaft, the sixth gear set comprising two meshed gears.
In some examples of the invention, the differential includes an output shaft, and an axis of the idler is located in a same horizontal plane as an axis of the output shaft.
In some examples of the present invention, the differential and the connecting shaft are provided with a seventh gear set, the connecting shaft and a clutch shaft with a clutch is provided between the second main shafts, the clutch shaft and an eighth gear set is provided between the connecting shafts, the clutch shaft and a ninth gear set is provided between the second main shafts, the seventh gear set the eighth gear set and the ninth gear set are two meshed gears.
In some examples of the present invention, the differential includes: and the axis of the connecting shaft is positioned obliquely above the axis of the output shaft.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a cross-sectional view of a power system of a vehicle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power system of a vehicle according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a power system of a vehicle according to a second embodiment of the present invention;
fig. 4 is a cross-sectional view of a power system of a vehicle according to a third embodiment of the present invention;
fig. 5 is a cross-sectional view of a power system of a vehicle according to a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a power system of a vehicle according to a fourth embodiment of the present invention.
Reference numerals:
a powertrain 100 of the vehicle;
a drive motor 10; a first main shaft 11; a generator 20; a second main shaft 21; a connecting shaft 30; a differential mechanism 40; an output shaft 41; a first gear set 50; a second gear set 51; a third gear set 52; a fourth gear set 53; an idler pulley 54; a fifth gear set 55; a sixth gear set 56; a seventh gear set 57; an eighth gear set 58; a ninth gear set 59.
A clutch 60; a clutch shaft 61;
an engine 70; a countershaft 80.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
Referring to fig. 1 to 6, a power system 100 of a vehicle according to an embodiment of the present invention is described, where the power system 100 of the vehicle is used to solve the problems of a conventional vehicle that the axial distance of the power system is large and the structural arrangement is not compact.
As shown in fig. 1 to 6, a power system 100 of a vehicle according to an embodiment of the present invention includes: the engine 70, the housing, the drive motor 10, the generator 20, the connecting shaft 30 and the differential 40, the engine 70 and the drive motor 10 being used to power the vehicle. The housing is provided on one side of the engine 70 in the axial direction, i.e., the left-right direction shown in fig. 2. The housing is used to protect other components of the internal power system.
A drive motor 10 is disposed within the housing, the drive motor 10 is for converting electrical energy into mechanical energy, and the drive motor 10 includes a first spindle 11. The generator 20 is arranged in the shell, the generator 20 and the driving motor 10 are arranged in the shell side by side, the driving motor 10 and the generator 20 are arranged in side by side along a direction perpendicular to the axial direction of the engine 70, and the axial direction of the engine 70 is the extending direction of the output shaft of the engine. The generator 20 comprises a second main shaft 21. In which the direction of the side-by-side arrangement is the front-rear direction shown in fig. 1, for example, the driving motor 10 may be arranged at the front side, the generator 20 may be arranged at the rear side, and the two are arranged at a distance from each other, so that the axial length of the power system 100 may be reduced, and the arrangement of the peripheral components may be facilitated.
The connecting shaft 30 is provided in the housing, and the connecting shaft 30 is connected with the engine 70. The engine 70 is provided with a crankshaft, and the connecting shaft 30 is connected to the crankshaft to rotate other components. The connecting shaft 30 is in transmission with the second main shaft 21, so as to drive the generator 20 to rotate, that is, the power of the engine 70 can be transmitted to the generator 20 through the connecting shaft 30 and the second main shaft 21, and then the generator 20 is driven to generate electricity.
The differential 40 is arranged in the shell, and the first main shaft 11 and the connecting shaft 30 are in transmission with the differential 40. The differential 40 is mainly used for transmitting power generated by the engine 70 and the driving motor 10 to wheels, when the engine 70 drives the differential 40 alone to work, the vehicle is in a fuel driving mode, when the driving motor 10 drives the differential 40 alone to work, the vehicle is in an electric driving mode, and when the engine 70 and the driving motor 10 drive the differential 40 simultaneously to work, the vehicle is in a hybrid mode.
Thus, by arranging the generator 20 and the drive motor 10 side by side in the housing, the axial length of the power system 100 can be reduced, and the arrangement of peripheral components can be facilitated. In addition, the connecting shaft 30 and the differential 40 are also arranged in the shell, so that the integration level of the power system 100 is higher, and the structure is more compact.
In the first embodiment of the present invention, as shown in fig. 1-2, the differential mechanism 40 and the connecting shaft 30 are provided with a first gear set 50, a second gear set 51 is provided between the connecting shaft 30 and the second main shaft 21, and the first gear set 50 and the second gear set 51 are two meshed gears. Two gears of the first gear set 50 are respectively provided on the differential 40 and the connecting shaft 30, for example, an input gear fixed on the connecting shaft 30 and an outer ring input gear on the differential 40; two gears of the second gear set 51 are respectively provided on the connecting shaft 30 and the second main shaft 21, for example, an input gear fixed on the connecting shaft 30 and an output gear fixed on the second main shaft 21. The two sets of meshing gear sets thus provided ensure the integrity of the vehicle power output. In addition, the shaft provided with the clutch 60 can be omitted, the complexity of the power system 100 can be reduced, and the compactness of the power system 100 can be improved.
Further, a clutch 60 is also provided on the connecting shaft 30, and the clutch 60 is used to selectively engage the engine 70. The conventional power system generally arranges a clutch shaft with a clutch between a connecting shaft and a differential mechanism, so that the structure of the power system is complicated. And the utility model discloses a driving system 100 of vehicle directly meshes with differential mechanism 40 with the connecting axle 30 that engine 70 is connected to can reduce the quantity of axle, can reduce corresponding annex simultaneously, thereby can reduce size and reduce weight, can make the driving system 100's of vehicle axial length reduce like this, and compact structure can also make the oil consumption of whole car reduce, and then energy-concerving and environment-protective more.
Specifically, as shown in fig. 1-2, the differential 40 includes an output shaft 41, the connecting shaft 30 is located obliquely above the output shaft 41, and the connecting shaft 30 is located close to the generator 20, and the second main shaft 21 is disposed obliquely above the connecting shaft 30. The engine 70 is arranged at a relatively low position, and the gravity center of the power assembly is lowered, so that the operation and control performance of the whole vehicle can be improved.
The clutch 60 can be integrated on the connecting shaft 30 of the engine 70, and the connection and disconnection of the power of the engine 70 are realized by the connection and the disconnection of the clutch 60. By providing the clutch 60 in this manner, the number of shafts can be reduced, and the power system 100 can be made more compact.
In the second embodiment of the present invention, as shown in fig. 3, a countershaft 80 is provided between the first main shaft 11 and the differential 40, a third gear set 52 is provided between the connecting shaft 30 and the countershaft 80, the third gear set 52 is two meshed gears, and two gears of the third gear set 52 are respectively fixed on the connecting shaft 30 and the countershaft 80. Further, the clutch 60 is provided on the connecting shaft 30. This arrangement allows power to be transmitted directly from connecting shaft 30 to countershaft 80 through clutch 60, thereby rotating differential 40.
Alternatively, as shown in fig. 3, a fourth gear set 53 is disposed between the connecting shaft 30 and the second main shaft 21, the fourth gear set 53 includes three gears sequentially engaged and the intermediate gear is an idle gear 54, wherein the fourth gear set 51 and the two gears are fixed on the connecting shaft 30 and the second main shaft 21, respectively. Therefore, on one hand, power can be directly transmitted from the connecting shaft 30 to the auxiliary shaft 80, so that the differential 40 is driven to rotate, the path transmitted to the differential 40 is shortened, on the other hand, the second main shaft 21 is firstly meshed with the idle gear 54, the speed ratio can be changed, then the engine 70 is driven to generate power, the engine 70 is driven to the generator 20 to generate power through secondary transmission, the speed ratio is changed, and the engine 70 can work in a high-efficiency area more possibly. Moreover, the relative position of the engine 70 can be reduced, so that the gravity center of the power assembly is lowered, and the NVH and the operation performance of the whole vehicle can be improved.
Further, the differential 40 includes an output shaft 41, and the axis of the connecting shaft 30 and the axis of the output shaft 41 are located in the same horizontal plane. The power system 100 of the vehicle thus configured may be more efficient and stable. The connecting shaft 30 arranged in this way can further reduce the height of the center of gravity of the engine 70, and can improve the NVH and the operation performance of the whole vehicle.
In the third embodiment of the present invention, as shown in fig. 4, a countershaft 80 is provided between the first main shaft 11 and the differential 40, a fifth gear set 55 is provided between the connecting shaft 30 and the countershaft 80, the fifth gear set 55 includes three gears meshed in sequence, and the intermediate gear is an idler gear 54. Thus, by providing the idler gear 54, a multi-step reduction can be achieved between the connecting shaft 30 and the differential 40, and the power output of the power system 100 can be made smoother. The position of the idler pulley 54 thus disposed is lower than the connecting shaft 30, so that the height of the connecting shaft 30 is increased, and further, the position of the engine 70 is increased, and the vehicle trafficability is improved.
As shown in fig. 4, the present invention provides the connecting shaft 30 obliquely above the idle gear 54, and the position of the engine 70 is increased, so that the arrangement of the power assembly on the whole vehicle is facilitated, and the passing performance of the vehicle is improved.
Specifically, as shown in fig. 4, a sixth gear set 56 is disposed between the connecting shaft 30 and the second main shaft 21, and the sixth gear set 56 includes two meshed gears fixed to the connecting shaft 30 and the second main shaft 21, respectively. By directly connecting the connecting shaft 30 with the second main shaft 21, the connecting shaft 30 can more effectively rotate the generator 20.
Alternatively, as shown in fig. 4, the differential 40 includes an output shaft 41, and the axis of the idle gear 54 is located in the same horizontal plane as the axis of the output shaft 41. The power system 100 of the vehicle thus configured may be more efficient and stable.
For example, the connecting shaft 30 may be directly connected to the countershaft 80, or a gear on the connecting shaft 30 may be engaged with the idle gear 54 and then engaged with the countershaft 80, and the other side of the connecting shaft may be engaged with the second main shaft 21 to rotate the generator 20.
In the fourth embodiment of the present invention, as shown in fig. 5 to 6, the differential mechanism 40 and the connecting shaft 30 are provided with a seventh gear set 57, a clutch shaft 61 with a clutch 60 is provided between the connecting shaft 30 and the second main shaft 21, an eighth gear set 58 is provided between the clutch shaft 61 and the connecting shaft 30, a ninth gear set 59 is provided between the clutch shaft 61 and the second main shaft 21, and the seventh gear set 57, the eighth gear set 58 and the ninth gear set 59 are two meshed gears. The utility model discloses a set up seventh gear train 57, eighth gear train 58 and ninth gear train 59, can utilize the assembly space of whole car effectively.
Specifically, as shown in fig. 5 and 6, the differential 40 includes an output shaft 41, and the axis of the connecting shaft 30 is located obliquely above the axis of the output shaft 41. Furthermore, the connecting shaft 30 is located obliquely below the clutch 60, and the engine 70 is arranged at a lower position, so that the center of gravity of the power system 100 is lowered, and the NVH and the handling performance of the whole vehicle can be improved.
The connecting shaft 30 may be connected to the second main shaft 21 through the clutch shaft 60, or the connecting shaft 30 may directly drive the differential 40 to rotate, so as to shorten a transmission path between the engine 70 and the differential 40, and improve the power transmission efficiency of the power system 100.
In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A powertrain system for a vehicle, comprising:
an engine;
a housing provided at one axial side of the engine;
the driving motor is arranged in the shell and comprises a first main shaft;
the generator is arranged in the shell and arranged in the shell side by side with the driving motor, the driving motor and the generator are arranged in the shell side by side along the direction vertical to the axial direction of the engine, and the generator comprises a second main shaft;
the connecting shaft is arranged in the shell and connected with the engine, and the connecting shaft is in transmission with the second main shaft;
and the differential mechanism is arranged in the shell, and the first main shaft and the connecting shaft are in transmission with the differential mechanism.
2. The vehicle powertrain of claim 1, wherein the differential and the connecting shaft are provided with a first gear set, and a second gear set is provided between the connecting shaft and the second primary shaft, the first gear set and the second gear set each being two meshed gears.
3. The vehicle powertrain of claim 2, wherein a clutch is further provided on the connecting shaft for selectively engaging the engine.
4. The vehicle powertrain system of claim 2, wherein the differential includes an output shaft, the connecting shaft is located obliquely above the output shaft and adjacent to the generator, and the second main shaft is disposed obliquely above the connecting shaft.
5. The vehicle powertrain of claim 1, wherein a countershaft is disposed between the first primary shaft and the differential, and a third gear set is disposed between the connecting shaft and the countershaft, the third gear set being two meshing gears.
6. The vehicle powertrain according to claim 5, wherein a fourth gear set is provided between the connecting shaft and the second main shaft, the fourth gear set including three gears that mesh in sequence and an intermediate gear being an idler gear.
7. The vehicle powertrain system of claim 5, wherein the differential includes an output shaft, and an axis of the connecting shaft and an axis of the output shaft are located in a same horizontal plane.
8. The vehicle powertrain of claim 1, wherein a countershaft is disposed between the first primary shaft and the differential, a fifth gear set is disposed between the connecting shaft and the countershaft, the fifth gear set including three sequentially meshing gears and an intermediate gear being an idler gear.
9. The vehicle powertrain of claim 8, wherein a sixth gear set is disposed between the connecting shaft and the second main shaft, the sixth gear set including two meshing gears.
10. The vehicle powertrain of claim 8, wherein the differential includes an output shaft, and an axis of the idler lies in a same horizontal plane as an axis of the output shaft.
11. The vehicle powertrain system of claim 1, wherein the differential and the connecting shaft are provided with a seventh gear set, a clutch shaft with a clutch is provided between the connecting shaft and the second main shaft, an eighth gear set is provided between the clutch shaft and the connecting shaft, a ninth gear set is provided between the clutch shaft and the second main shaft, and the seventh gear set, the eighth gear set and the ninth gear set are each two meshed gears.
12. The vehicle powertrain of claim 11, wherein the differential comprises: and the axis of the connecting shaft is positioned obliquely above the axis of the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070551.6U CN211335570U (en) | 2019-11-26 | 2019-11-26 | Power system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922070551.6U CN211335570U (en) | 2019-11-26 | 2019-11-26 | Power system of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211335570U true CN211335570U (en) | 2020-08-25 |
Family
ID=72130827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922070551.6U Active CN211335570U (en) | 2019-11-26 | 2019-11-26 | Power system of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211335570U (en) |
-
2019
- 2019-11-26 CN CN201922070551.6U patent/CN211335570U/en active Active
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