CN217415441U - Electric drive assembly structure and vehicle - Google Patents
Electric drive assembly structure and vehicle Download PDFInfo
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- CN217415441U CN217415441U CN202221717233.XU CN202221717233U CN217415441U CN 217415441 U CN217415441 U CN 217415441U CN 202221717233 U CN202221717233 U CN 202221717233U CN 217415441 U CN217415441 U CN 217415441U
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Abstract
The utility model discloses an electricity drive assembly structure and vehicle, wherein electricity drive assembly structure including the motor casing and the retarder casing that are connected, motor casing with be equipped with input shaft, jackshaft and the output shaft that the transmission is connected in proper order in the retarder casing, the input shaft the jackshaft and output shaft parallel arrangement, just the length direction of the cross section of electricity drive assembly structure parallels with the direction of height of vehicle. The utility model discloses technical scheme has solved the whole car and has arranged the limited problem in space, has satisfied whole car space requirement.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to electricity drive assembly structure and vehicle.
Background
At present, with the proposal of a double-carbon target, energy conservation and emission reduction in the vehicle industry are important working targets for years in the future. Due to the large carbon emission of conventional vehicles, new energy vehicles are receiving more and more attention.
The new energy vehicles mostly adopt an electric driving mode, most of the electric driving assembly structures of the new energy vehicles adopt a transverse arrangement mode, namely the height direction of the electric driving assembly structures is perpendicular to the height direction of the vehicles, but the arrangement mode limits the space of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electrically drive assembly structure aims at solving the limited problem in whole car arrangement space to satisfy whole car space requirement.
In order to achieve the above object, the utility model provides an electricity drive assembly structure, including motor casing and the reduction gear casing that is connected, motor casing with be equipped with input shaft, jackshaft and the output shaft that the transmission connects in proper order in the reduction gear casing, the input shaft the jackshaft and output shaft parallel arrangement, just the length direction of electricity drive assembly structure's cross section parallels with the direction of height of vehicle.
Optionally, a liquid separation plate is arranged in the speed reducer shell, the liquid separation plate separates a space in the speed reducer shell into a liquid storage cavity and a liquid stirring cavity, the liquid storage cavity is used for storing cooling liquid, the liquid stirring cavity is used for stirring liquid of the differential mechanism for splash lubrication, liquid passing holes are formed in the liquid separation plate, and the cooling liquid flows between the liquid storage cavity and the liquid stirring cavity through the liquid passing holes.
Optionally, the liquid passing hole is formed in the lower portion of the liquid separation plate.
Optionally, the reducer housing includes a first reducer housing and a second reducer housing that are connected in a surrounding manner, the first reducer housing is located on one side of the second reducer housing facing the motor housing, and the liquid barrier is fixed to the first reducer housing.
Optionally, the first reducer housing and the motor housing are of an integrally formed structure.
Optionally, the liquid barrier is made of plastic or metal.
Optionally, the motor housing is provided with a liquid return cavity communicated with the liquid storage cavity, and the liquid return cavity is used for returning the cooled and lubricated coolant to the liquid storage cavity.
Optionally, the bottom wall of the liquid return cavity is inclined towards the liquid storage cavity.
Optionally, one end, far away from the speed reducer shell, of the motor shell is further provided with a motor end cover, the motor end cover is provided with a three-phase line cover plate and a conductive cover plate, the three-phase line cover plate is used for sealing a three-phase lead of the motor, and the conductive cover plate is used for leading out voltage of the motor.
The utility model also provides a vehicle, include the electricity drive assembly structure.
The utility model discloses a technical scheme sets up the motor casing and the reduction gear casing that are connected and are linked together in the assembly structure that drives of electricity, is equipped with parallel input shaft, jackshaft and output shaft in motor casing and the reduction gear casing, and the parallel arrangement of input shaft, jackshaft and output shaft has reduced and has driven the required installation space of assembly structure by electricity, and then is favorable to arranging of whole car installation space. Meanwhile, the length direction of the cross section of the electric drive assembly structure is parallel to the height direction of the vehicle, namely the height direction of the electric drive assembly is consistent with the height direction of the vehicle, namely the electric drive assembly structure is vertically arranged in the engine room. So, compare in the horizontal or slope arrangement of electricity driving assembly structure, the utility model discloses well electricity drives assembly structure adopts vertical arrangement mode, has reduced the required installation space of electricity driving assembly structure, has saved the installation in the cabin and has arranged the space, is favorable to arranging of whole car space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an electric drive assembly structure of the present invention;
FIG. 2 is a schematic illustration of an embodiment of the electric drive assembly structure of FIG. 1 with a second retarder housing removed;
FIG. 3 is a left side view of one embodiment of the electric drive assembly configuration of FIG. 2 with a liquid barrier exposed;
FIG. 4 is a cross-sectional view of one embodiment of the electric drive assembly configuration of FIG. 1;
FIG. 5 is a right side view of one embodiment of the electric drive assembly of FIG. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| |
10 | |
32 |
| |
11 | |
33 |
| Three-phase |
12 | Liquid- |
40 |
| |
13 | |
41 |
| |
20 | |
42 |
| |
21 | |
43 |
| |
22 | |
50 |
| |
31 |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, with the proposal of a double-carbon target, energy conservation and emission reduction in the vehicle industry are important working targets for years in the future. Due to the large carbon emission of conventional vehicles, new energy vehicles are receiving more and more attention.
The new energy vehicles mostly adopt an electric driving mode, most of the electric driving assembly structures of the new energy vehicles adopt a transverse arrangement mode, namely the height direction of the electric driving assembly structures is perpendicular to the height direction of the vehicles, but the arrangement mode limits the space of the whole vehicle.
In view of this, the utility model provides an electricity drives assembly structure.
Referring to fig. 1 and 2, in an embodiment of the present invention, the electric drive assembly structure includes a motor housing 10 and a reducer housing 20. The motor shell 10 and the reducer shell 20 are connected, an input shaft 31, an intermediate shaft 32 and an output shaft 33 which are connected in a transmission mode in sequence are arranged in the motor shell 10 and the reducer shell 20, the input shaft 31, the intermediate shaft 32 and the output shaft 33 are arranged in parallel, and the length direction of the cross section of the electric drive assembly structure is parallel to the height direction of a vehicle. The electric drive assembly structure is disposed within a cabin of the vehicle.
The motor casing 10 is connected with the reducer casing 20, is formed with the motor cavity in the motor casing 10, is formed with the reducer cavity in the reducer casing 20, and motor cavity and reducer cavity are linked together, also the motor adopts and altogether the chamber setting with the reduction gear. The input shaft 31 is arranged in the motor cavity and extends into the speed reducer cavity, the input shaft 31 is in transmission connection with the intermediate shaft 32, the intermediate shaft 32 is in transmission connection with the output shaft 33, the output shaft 33 is used for being in transmission connection with an output half shaft of a vehicle, and the output half shaft is in transmission connection with wheels, so that power of the motor is transmitted to the speed reducer and then transmitted to the wheels of the vehicle, and the wheels are driven to rotate. The input shaft 31, the intermediate shaft 32 and the output shaft 33 are arranged in parallel, so that the installation space required by the structure of the electric drive assembly is reduced, and the arrangement of the installation space of the whole vehicle is facilitated.
The electric drive assembly structure has a certain length (i.e., L direction in fig. 2), and the length direction thereof coincides with the extending direction of the input shaft 31, the intermediate shaft 32, and the output shaft 33. The cross section of the structure of the electric drive assembly, namely the plane where the cross sections of the three shafts are located. The electric drive assembly structure has a cross-section having a length (i.e., direction H in fig. 2) and a width (i.e., direction W in fig. 2), the length direction of which is arranged in parallel with the height direction of the vehicle. That is, the electric drive assembly structure has a height with a height direction parallel to the height direction of the vehicle. I.e. the electric drive assembly structure is arranged vertically in the nacelle. So, compare in the horizontal or slope arrangement of electricity driving assembly structure, the utility model discloses well electricity drives assembly structure adopts vertical arrangement mode, has reduced the required installation space of electricity driving assembly structure, has saved the installation in the cabin and has arranged the space, is favorable to arranging of whole car space.
The utility model discloses a technical scheme sets up the motor casing 10 and the retarder casing 20 that are connected and are linked together in the assembly structure that drives of electricity, is equipped with parallel input shaft 31, jackshaft 32 and output shaft 33 in motor casing 10 and retarder casing 20, and the parallel arrangement of input shaft 31, jackshaft 32 and output shaft 33 has reduced and has driven the required installation space of assembly structure that drives by electricity, and then is favorable to arranging of whole car installation space. Meanwhile, the length direction of the cross section of the electric drive assembly structure is parallel to the height direction of the vehicle, namely the height direction of the electric drive assembly is consistent with the height direction of the vehicle, namely the electric drive assembly structure is vertically arranged in the engine room. So, compare in the horizontal or slope arrangement of electricity driving assembly structure, the utility model discloses well electricity drives assembly structure adopts vertical arrangement mode, has reduced the required installation space of electricity driving assembly structure, has saved the installation in the cabin and has arranged the space, is favorable to arranging of whole car space.
Referring to fig. 3 and 4, a liquid isolating plate 40 is further arranged in the reducer housing 20, the liquid isolating plate 40 divides a space in the reducer housing 20 into a liquid storage cavity 42 and a liquid stirring cavity 43, the liquid storage cavity 42 is used for storing cooling liquid, the liquid stirring cavity 43 is used for splashing and lubricating the differential mechanism, a liquid passing hole 41 is formed in the liquid isolating plate 40, and the cooling liquid flows between the liquid storage cavity 42 and the liquid stirring cavity 43 through the liquid passing hole 41.
Specifically, a differential is disposed in the reducer case 20, and the differential is located on a side of the reducer case 20 away from the motor case 10 and is located at a lower portion in a height direction of the electric drive assembly structure. The motor, the reducer and the differential mechanism rub and generate a large amount of heat during operation, so that the motor, the reducer and the differential mechanism need to be cooled and lubricated, and therefore, cooling fluid flows in the motor housing 10 and the reducer housing 20. The differential mechanism can stir the cooling liquid in the working and rotating process, so that the splashed liquid drops or liquid mist can lubricate parts. The vertical placement of the electric drive assembly structure can result in a large amount of coolant being deposited at the differential location, causing the differential to experience a large amount of drag. A liquid isolating plate 40 is arranged in the speed reducer shell 20, and the liquid isolating plate 40 divides the speed reducer cavity into a liquid storage cavity 42 and a liquid stirring cavity 43 so as to isolate cooling liquid at the differential mechanism. Stock solution chamber 42 is used for saving the coolant liquid, and differential mechanism stirs the sap cavity 43 in, and it is used for differential mechanism to stir liquid to stir the sap cavity 43. Meanwhile, the liquid passing holes 41 are formed in the liquid separation plate 40, so that most of cooling liquid in the speed reducer cavity is concentrated in the liquid storage cavity 42, and only a small part of cooling liquid flows into the liquid stirring cavity 43 through the liquid passing holes 41, so that the liquid stirring resistance of the differential is reduced, the liquid stirring splash lubrication efficiency of the differential is improved, and meanwhile, the splash lubrication loss of the cooling liquid is also reduced. Meanwhile, after the electric drive assembly is cooled, the cooling liquid flowing to the liquid stirring cavity 43 can flow into the liquid storage cavity 42 through the liquid through hole 41, so that the cooling liquid participates in the next cooling cycle.
With continued reference to fig. 3 and 4, further, the liquid passing hole 41 is disposed at the lower portion of the liquid separation plate 40. Specifically, in the height direction of the electric drive assembly structure, the liquid passing hole 41 is provided at the lower portion of the liquid separation plate 40, so that the cooling liquid at a lower level in the liquid storage chamber 42 flows into the liquid stirring chamber 43 through the liquid passing hole 41 for the splash lubrication of the differential mechanism liquid stirring. The liquid passing hole 41 is formed in the lower portion of the liquid separation plate 40, so that even when the amount of the cooling liquid in the liquid storage cavity 42 is small, the cooling liquid can flow into the liquid stirring cavity 43 through the liquid passing hole 41, the cooling liquid in the liquid stirring cavity 43 is guaranteed to be provided, and the liquid stirring of the differential is guaranteed to be splashed and lubricated. The liquid passing hole 41 may be one or more, and the cross-sectional shape thereof may be circular, elliptical, or the like. In one embodiment, one liquid passing hole 41 is provided. Specifically, the lower portion of the liquid separation plate 40 is provided with the liquid passing hole 41, so that the flowing of the cooling liquid between the liquid storage cavity 42 and the liquid stirring cavity 43 is ensured, and meanwhile, the phenomenon that too much cooling liquid flows into the liquid stirring cavity 43 is avoided, the liquid stirring resistance of the differential is further avoided, and the splashing lubrication loss of the cooling liquid is also avoided.
Referring to fig. 1 and 3, the reducer case 20 further includes a first reducer case 21 and a second reducer case 22 that are connected in a surrounding manner, the first reducer case 21 is located on a side of the second reducer case 22 facing the motor case 10, and a liquid barrier 40 is fixed to the first reducer case 21. Specifically, the first reduction gear case 21 and the second reduction gear case 22 are connected in a surrounding manner, and a reduction gear cavity is formed inside the first reduction gear case and the second reduction gear case. The first one 21 of the first and second gear housings 21, 22 is arranged close to the motor housing 10, i.e. the first gear housing 21 is arranged between the second gear housing 22 and the motor housing 10. The liquid barrier 40 is disposed in the cavity of the reducer and fixed to the first reducer case 21. In one embodiment, the liquid barrier 40 is fixed to the motor housing 10 by bolts, but the liquid barrier 40 may also be fixed to the motor housing 10 by clipping, welding, or the like.
Referring to fig. 1, the first reducer case 21 and the motor case 10 are integrally formed. Specifically, first retarder housing 21 and motor casing 10 are integrated body structure, so, do not need the outside connecting piece of rethread to be connected between first retarder housing 21 and the motor casing 10, improved the overall structure intensity and the stability of first retarder housing 21 and motor casing 10, also made things convenient for the machine-shaping of first retarder housing 21 and motor casing 10 simultaneously.
Further, the liquid barrier 40 is made of plastic or metal. Specifically, in consideration of the light weight of the electric drive assembly structure, the liquid barrier 40 is made of plastic. Of course, the liquid barrier 40 may be made of metal such as iron or aluminum.
Referring to fig. 4, the motor housing 10 further has a fluid returning cavity 50 communicated with the reservoir cavity 42, and the fluid returning cavity 50 is used for cooling the lubricated coolant to flow back to the reservoir cavity 42. Specifically, after the components such as the motor, the speed reducer, the differential and the like are cooled and lubricated, the cooling liquid after cooling and lubrication can be recycled to participate in the next cooling and lubrication cycle, so that the utilization rate of the cooling liquid is improved. The motor housing 10 is provided with a liquid return cavity 50, the liquid return cavity 50 is communicated with the liquid storage cavity 42, and the cooled and lubricated coolant flows back to the liquid return cavity 50 and then flows into the liquid storage cavity 42 from the liquid return cavity 50 to start the next cooling and lubricating cycle.
Referring to fig. 4, a bottom wall of liquid returning chamber 50 is further inclined toward liquid storage chamber 42. Specifically, the bottom wall of the flashback chamber 50 is disposed obliquely and is inclined toward the reservoir chamber 42, i.e., the bottom wall of the flashback chamber 50 is inclined downhill from the end away from the reservoir chamber 42 to the end near the reservoir chamber 42. So, the slope setting of 50 diapalls of returning the liquid chamber makes the liquid passageway of returning form obvious difference in height for the backward flow that the coolant liquid can be quick participates in next cooling lubrication circulation to stock solution chamber 42, has improved the efficiency of coolant liquid backward flow, has avoided the not enough of stock solution intracavity 42 cooling liquid.
Referring to fig. 5, further, a motor end cover 11 is further disposed at an end of the motor housing 10 away from the reducer housing 20, a three-phase wire cover 12 and a conductive cover 13 are disposed on the motor end cover 11, the three-phase wire cover 12 is used for sealing a three-phase wire of the motor, and the conductive cover 13 is used for leading out a voltage of the motor. Specifically, the motor is provided with three-phase wires, and the three-phase wire cover plate 12 is used for sealing the three-phase wires of the motor, so that leakage of the three-phase wires is avoided, and substances such as cooling liquid and the like are also prevented from entering the three-phase wires. The motor can transmit the electric energy outwards, and the conductive cover plate 13 is used for leading out the voltage of the motor.
The utility model also provides a vehicle, this vehicle include and drive the assembly structure by electricity, and this drive the concrete structure of assembly structure by electricity and refer to above-mentioned embodiment, because this vehicle has adopted the whole technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer give unnecessary details here.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. The electric drive assembly structure is characterized by comprising a motor shell and a speed reducer shell which are connected, wherein an input shaft, an intermediate shaft and an output shaft which are sequentially connected in a transmission manner are arranged in the speed reducer shell, the input shaft, the intermediate shaft and the output shaft are arranged in parallel, and the length direction of the cross section of the electric drive assembly structure is parallel to the height direction of a vehicle.
2. The electric drive assembly structure of claim 1, wherein a liquid separation plate is arranged in the reducer housing and separates a space in the reducer housing into a liquid storage chamber and a liquid stirring chamber, the liquid storage chamber is used for storing cooling liquid, the liquid stirring chamber is used for differential liquid stirring splash lubrication, and a liquid through hole is formed in the liquid separation plate, and the cooling liquid flows between the liquid storage chamber and the liquid stirring chamber through the liquid through hole.
3. The electrical drive assembly structure of claim 2, wherein the liquid passing hole is formed in a lower portion of the liquid barrier.
4. The electric drive assembly structure of claim 2, wherein the retarder housing includes a first retarder housing and a second retarder housing connected in an enclosing relationship, the first retarder housing being located on a side of the second retarder housing facing the motor housing, the liquid barrier being secured to the first retarder housing.
5. The electric drive assembly structure of claim 4 wherein the first reducer housing is of unitary construction with the motor housing.
6. The electrical drive assembly structure of claim 2, wherein the liquid barrier is plastic or metal.
7. The electric drive assembly configuration of claim 2 wherein the motor housing is provided with a return fluid chamber in communication with the reservoir chamber, the return fluid chamber for returning the cooled and lubricated coolant to the reservoir chamber.
8. The electric drive assembly structure of claim 7, wherein a bottom wall of the flashback chamber is disposed obliquely toward the reservoir chamber.
9. The electric drive assembly structure of claim 1, wherein a motor end cover is further disposed at an end of the motor housing away from the reducer housing, a three-phase wire cover plate and an electrically conductive cover plate are disposed on the motor end cover, the three-phase wire cover plate is used for sealing three-phase leads of the motor, and the electrically conductive cover plate is used for leading out voltage of the motor.
10. A vehicle characterized by comprising an electric drive assembly structure as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717233.XU CN217415441U (en) | 2022-07-04 | 2022-07-04 | Electric drive assembly structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221717233.XU CN217415441U (en) | 2022-07-04 | 2022-07-04 | Electric drive assembly structure and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN217415441U true CN217415441U (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221717233.XU Active CN217415441U (en) | 2022-07-04 | 2022-07-04 | Electric drive assembly structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN217415441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447364A (en) * | 2022-09-22 | 2022-12-09 | 浙江极氪智能科技有限公司 | Automobile driving device and automobile |
-
2022
- 2022-07-04 CN CN202221717233.XU patent/CN217415441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447364A (en) * | 2022-09-22 | 2022-12-09 | 浙江极氪智能科技有限公司 | Automobile driving device and automobile |
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