CN214138121U - Axle assembly and vehicle - Google Patents
Axle assembly and vehicle Download PDFInfo
- Publication number
- CN214138121U CN214138121U CN202022920752.3U CN202022920752U CN214138121U CN 214138121 U CN214138121 U CN 214138121U CN 202022920752 U CN202022920752 U CN 202022920752U CN 214138121 U CN214138121 U CN 214138121U
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- axle
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Abstract
The utility model discloses an axle assembly and vehicle, include: a half shaft; a differential in drive with the axle shafts and including a driven bevel gear; the driving bevel gear is in meshed transmission with the driven bevel gear; the transmission assembly is in transmission with the driving bevel gear and is positioned on the longitudinal front side of the half shaft; a drive assembly, the drive assembly comprising: the driving motor and the input end of the planetary gear reducer are in transmission, the output end of the planetary gear reducer is in transmission with the transmission assembly, the input end of the planetary gear reducer is at least one, and the driving assembly is integrally located on the longitudinal rear side of the half shaft. The driving component is arranged on the axle assembly, so that electric driving modular design can be realized, and the driving component is integrally positioned at the longitudinal rear side of the half shaft, so that the axle assembly is simple in overall structure, less in change and convenient to mount and produce.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to an axle assembly and vehicle are related to.
Background
At present, in order to meet the requirement of electric driving, an electric drive axle is developed, and in some related technologies, a rear longitudinal electric drive axle structure is proposed, which modifies a traditional axle and designs a two-gear shifting structure at the front part and places a motor at the rear part. However, the electrically driven axle structure greatly changes the traditional axle and is not beneficial to production.
SUMMERY OF THE UTILITY MODEL
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 an axle assembly, which can simplify the overall structure of the axle assembly, reduce the variation, and improve the vehicle economy and the system transmission efficiency.
The utility model discloses a vehicle is further proposed.
According to the utility model discloses an axle assembly, include: a half shaft; a differential in drive with the axle shafts and including a driven bevel gear; the driving bevel gear is in meshed transmission with the driven bevel gear; the transmission assembly is in transmission with the driving bevel gear and is positioned on the longitudinal front side of the half shaft; a drive assembly, the drive assembly comprising: the driving motor and the input end of the planetary gear reducer are in transmission, the output end of the planetary gear reducer is in transmission with the transmission assembly, the input end of the planetary gear reducer is at least one, and the driving assembly is integrally located on the longitudinal rear side of the half shaft.
According to the utility model discloses an axle assembly through installing drive assembly at the axle assembly, can realize electric drive modularized design to drive assembly wholly is located the vertical rear side of semi-axis, can make the overall structure of axle assembly simple like this, and the change is few, is convenient for install and production.
In some examples of the present invention, the planetary gear reducer includes: sun gear, planet wheel, planet carrier and ring gear, the planet wheel cover is established just the meshing is in on the planet carrier the sun gear with between the ring gear, the sun gear the planet carrier with two in the ring gear do the input, driving motor selectively with two the input transmission, two one in the input does the output, the sun gear the planet carrier with last one in the ring gear is fixed.
In some examples of the invention, the drive motor is connected to an input shaft, the sun gear is one the input and the planet carrier is another the input with the output, the ring gear is fixed, the input shaft with between the sun gear, and the input shaft with be provided with between the planet carrier and be used for the synchronizer that combines.
In some examples of the invention, the synchronizer comprises: the gear hub is fixed on the input shaft, the gear sleeve is arranged on the gear hub and is relative to the gear hub, the sun gear faces one side of the gear sleeve and is provided with a first outer meshing tooth, the planet carrier faces one side of the gear sleeve and is provided with a second outer meshing tooth, the first outer meshing tooth and the second outer meshing tooth are arranged at intervals in the axial direction, and the gear sleeve is selectively combined with the first outer meshing tooth and the second outer meshing tooth.
In some examples of the present invention, the first outer engaging tooth is disposed on a side of the second outer engaging tooth adjacent to the hub, or the first outer engaging tooth is disposed on a side of the second outer engaging tooth remote from the hub.
In some examples of the invention, the half shaft comprises: the left half shaft and the right half shaft are oppositely arranged left and right, and the driving component is integrally positioned at the longitudinal rear side of the left half shaft or the longitudinal rear side of the right half shaft.
In some examples of the present invention, the drive motor is located at a longitudinal rear side of the planetary gear reducer.
In some examples of the invention, the axle shaft is connected to a wheel, and in a transverse direction, at least a portion of the planetary gear reducer is located between the wheel and the differential.
In some examples of the invention, the drive assembly includes a first gear and a second gear, the first gear and the second gear are in meshing transmission, the output end is coaxially fixed with the first gear, the second gear and the drive bevel gear are coaxially fixed.
According to the utility model discloses a vehicle, including above the axle assembly.
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 schematic view of an axle assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of a drive assembly;
fig. 3 is a schematic view of another drive assembly.
Reference numerals:
an axle assembly 1;
a half shaft 10; a differential 20; a driven bevel gear 21; a drive bevel gear 30;
a drive assembly 40; a first gear 41; the second gear 42; a drive assembly 50;
a drive motor 51; an input shaft 510; a synchronizer 511; a hub gear 512; a gear sleeve 513;
a planetary gear reducer 52; a sun gear 520; a planet gear 521; a planet carrier 522;
a ring gear 523; a first outer rodent 524; a second outer engaging tooth 525; and a wheel 60.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
An axle assembly 1 according to an embodiment of the present invention is described below with reference to fig. 1-3.
As shown in fig. 1, according to the utility model discloses an axle assembly 1 includes: half-shafts 10, differential 20, drive bevel gear 30, transmission assembly 40, and drive assembly 50. Differential 20 is in drive communication with axle shafts 10, and differential 20 may provide differential motion to axle shafts 10. The differential 20 comprises a driven bevel gear 21, the drive bevel gear 30 is in meshed transmission with the driven bevel gear 21, the transmission assembly 40 is in transmission with the drive bevel gear 30, that is, the drive bevel gear 30 can be driven to rotate through the transmission assembly 40, the drive bevel gear 30 drives the drive bevel gear 30 to rotate, the differential 20 comprises the driven bevel gear 21, and the differential 20 can rotate along with the driven bevel gear 21, so that the half shaft 10 performs differential motion. The drive pack 40 is located longitudinally forward of the axle half shafts 10 for ease of arrangement and to facilitate drive engagement between the drive bevel gear 30, the driven bevel gear 21, the differential 20, the drive pack 40 and the axle half shafts 10.
As shown in fig. 1 to 3, the driving assembly 50 includes: the driving motor 51 and the planetary gear reducer 52 are driven, the driving motor 51 and the input end of the planetary gear reducer 52 are driven, the driving motor 51 can provide driving force for the planetary gear reducer 52, so that the planetary gear reducer 52 operates, the electric driving modular design is realized, and the input end is at least one, the driving motor 51 can be selectively driven with the input end of the planetary gear reducer 52 according to actual conditions, the output end of the planetary gear reducer 52 is driven with the transmission assembly 40, and the planetary gear reducer 52 can be driven in a speed reduction mode, so that the differential motion of the vehicle can be realized. The drive assembly 50 is located entirely longitudinally rearward of the axle shaft 10, which allows the overall construction of the axle assembly 1 to be simple, with little variation, and easy installation and manufacture.
Therefore, the driving component 50 is installed on the axle assembly 1, so that the electric driving modular design can be realized, and the driving component 50 is integrally positioned at the longitudinal rear side of the half shaft 10, so that the overall structure of the axle assembly 1 is simple, the change is less, and the installation and the production are convenient.
As shown in fig. 2 and 3, the planetary gear reducer 52 includes: the driving motor 51 is selectively in transmission with the two input ends, one of the two input ends is an output end, and the last one of the sun gear 520, the planet carrier 522 and the gear ring 523 is fixed.
The planet gear 521 is sleeved on the planet carrier 522, the planet gear 521 and the planet carrier 522 can be in transmission, the planet gear 521 is meshed between the sun gear 520 and the gear ring 523, and the planet gear 521 can also be in transmission with the sun gear 520 and the gear ring 523 respectively. Two of the sun gear 520, the planet carrier 522 and the ring gear 523 may be input terminals, and then the other one may be fixed, the driving motor 51 may be selectively driven with one of the two input terminals, and one of the two input terminals may be an output terminal which is driven with the transmission assembly 40, so that the planetary gear reducer 52 may be used as a two-gear reducer, thereby improving the dynamic property of the vehicle.
According to an alternative embodiment of the present invention, as shown in fig. 2 and 3, the driving motor 51 is connected with an input shaft 510, a sun gear 520 is an input end, and a planet carrier 522 is another input end and output end, a ring gear 523 is fixed, and synchronizers 511 for coupling are provided between the input shaft 510 and the sun gear 520, and between the input shaft 510 and the planet carrier 522. As can be seen from the above, the sun gear 520 and the planet carrier 522 are alternatively two inputs, and the ring gear 523 would be fixed. The driving motor 51 is connected with an input shaft 510, a synchronizer 511 for combination is arranged between the input shaft 510 and the sun gear 520 and between the input shaft 510 and the planet carrier 522, the synchronizer 511 can selectively transmit with one of the sun gear 520 and the planet carrier 522, when the synchronizer 511 transmits with the sun gear 520 or the planet carrier 522, the planet carrier 522 can also serve as an output end, and the planet carrier 522 serves as an output end to transmit with the transmission assembly 40, so that power can be transmitted to the differential 20, and differential motion of the vehicle can be realized.
Specifically, as shown in fig. 2 and 3, the synchronizer 511 includes: the planetary gear set comprises a toothed hub 512 and a toothed sleeve 513, wherein the toothed hub 512 is fixed on an input shaft 510, the toothed sleeve 513 is sleeved on the toothed hub 512, the toothed sleeve 513 is movable relative to the toothed hub 512, a first outer toothed wheel 524 is arranged on one side, facing the toothed sleeve 513, of the sun gear 520, a second outer toothed wheel 525 is arranged on one side, facing the toothed sleeve 513, of the planet carrier 522, the first outer toothed wheel 524 and the second outer toothed wheel 525 are arranged at intervals in the axial direction, and the toothed sleeve 513 selectively combines the first outer toothed wheel 524 and the second outer toothed wheel 525.
The sun gear 520 is provided with a first outer gear 524, the planet carrier 522 is provided with a second outer gear 525, and the first outer gear 524 and the second outer gear 525 are axially spaced apart, while the sleeve 513 is movable relative to the hub 512 such that the sleeve 513 can move and the sleeve 513 selectively engages one of the first outer gear 524 and the second outer gear 525, power can be transmitted to one of the sun gear 520 or the planet carrier 522 through the sleeve 513, and then through the planet carrier 522 and the transmission assembly 40, so that power can be transmitted to the differential 20, enabling differential motion of the vehicle.
As shown in fig. 2 and 3, the first outer engaging teeth 524 are disposed on a side of the second outer engaging teeth 525 adjacent to the hub 512, or the first outer engaging teeth 524 are disposed on a side of the second outer engaging teeth 525 away from the hub 512.
As shown in fig. 2, when the first outer engaging tooth 524 is disposed on the side of the second outer engaging tooth 525 adjacent to the hub 512, the sleeve 513 moves upward to be combined with the first outer engaging tooth 524, the output power of the driving motor 51 is transmitted from the input shaft 510 to the sun gear 520 through the sleeve 513, the sun gear 520 transmits the power to the planet gear 521, the planet gear 521 finally transmits the power to the planet carrier 522, and when the sleeve 513 continues to move upward, the output power is combined with the second outer engaging tooth 525, the power is directly transmitted to the planet carrier 522 through the sleeve 513, and the planet carrier 522 serves as an output end to be transmitted to the transmission assembly 40, so that the power can be transmitted to the differential 20, and differential motion of the vehicle is realized.
As shown in fig. 3, when the first outer engaging gear 524 is disposed on the side of the second outer engaging gear 525 far from the hub 512, the sleeve gear 513 moves upward to be combined with the first outer engaging gear 524, the output power of the driving motor 51 is transmitted from the input shaft 510 to the sun gear 520 through the sleeve gear 513, the sun gear 520 transmits the power to the planet gear 521, the planet gear 521 finally transmits the power to the planet carrier 522, and when the sleeve gear 513 moves downward, the output power is combined with the second outer engaging gear 525, the power is directly transmitted to the planet carrier 522 through the sleeve gear 513, and the planet carrier 522 serves as an output end to be transmitted to the transmission assembly 40, so that the power can be transmitted to the differential 20, and differential motion of the vehicle is realized.
Therefore, the planetary gear reducer 52 can realize two-gear conversion, and can meet the requirements of the whole vehicle power and the vehicle speed of the vehicle, so that the vehicle economy and the regional optimization of the system transmission efficiency can be improved.
Alternatively, the half-shaft 10 comprises: left half axle and right half axle, left half axle and right half axle are relative setting about, and drive assembly 50 wholly is located the longitudinal rear side of left half axle or is located the longitudinal rear side of right half axle. When the axle assembly 1 can work normally, the driving assembly 50 can be integrally located at the longitudinal rear side of the left half shaft or the longitudinal rear side of the right half shaft, so that the installation of the driving assembly 50 is selective and can be suitable for different conditions. In addition, the drive assembly 50 thus provided may avoid the differential 20, thereby making the overall layout of the axle assembly 1 more reasonable.
As shown in fig. 1 to 3, the drive motor 51 is located on the longitudinal rear side of the planetary gear reducer 52. The driving motor 51 is positioned at the longitudinal rear side of the planetary gear reducer 52, so that the arrangement is more reasonable and convenient, the driving motor 51 can provide driving force for the planetary gear reducer 52, the transmission assembly 40 is positioned at the longitudinal front side of the half shaft 10, the planetary gear reducer 52 is closer to the transmission assembly 40 relative to the driving motor 51, and thus the planetary gear reducer 52 can be more conveniently in transmission fit with the transmission assembly 40, and power is transmitted to the half shaft 10.
Further, as shown in fig. 1, the axle shaft 10 is connected with wheels 60, and at least a portion of the planetary gear reducer 52 is located between the wheels 60 and the differential 20 in the lateral direction. The half-axle 10 is connected with a wheel 60, the wheel 60 can be driven to rotate by the half-axle 10, and at least one part of the planetary gear reducer 52 is positioned between the wheel 60 and the differential 20 in the transverse direction, so that the wheel 60 can be decelerated by the planetary gear reducer 52, in addition, the power is transmitted to the transmission assembly 40 by the planetary gear reducer 52, and the power is transmitted to the differential 20 by the transmission assembly 40, so that the vehicle can realize differential motion.
In addition, as shown in fig. 1, the transmission assembly 40 includes a first gear 41 and a second gear 42, the first gear 41 and the second gear 42 are in mesh transmission, the output end is coaxially fixed with the first gear 41, and the second gear 42 is coaxially fixed with the drive bevel gear 30. The output end is coaxially fixed with the first gear 41, the planetary gear reducer 52 can transmit power to the first gear 41 through the output end, the first gear 41 and the second gear 42 are in mesh transmission, power is transmitted from the first gear 41 to the second gear 42, and the second gear 42 and the drive bevel gear 30 are coaxially fixed, so that power can be transmitted from the second gear 42 to the drive bevel gear 30. Moreover, the drive assembly 40 thus provided also effectively spaces the drive assembly 50 and the differential 20 in the lateral direction so that interference therebetween can be avoided.
According to the utility model discloses the vehicle, including the axle assembly 1 of above-mentioned embodiment.
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 (10)
1. An axle assembly, comprising:
a half shaft;
a differential in drive with the axle shafts and including a driven bevel gear;
the driving bevel gear is in meshed transmission with the driven bevel gear;
the transmission assembly is in transmission with the driving bevel gear and is positioned on the longitudinal front side of the half shaft;
a drive assembly, the drive assembly comprising: the driving motor and the input end of the planetary gear reducer are in transmission, the output end of the planetary gear reducer is in transmission with the transmission assembly, the input end of the planetary gear reducer is at least one, and the driving assembly is integrally located on the longitudinal rear side of the half shaft.
2. The axle assembly of claim 1, wherein the planetary gear reducer comprises: sun gear, planet wheel, planet carrier and ring gear, the planet wheel cover is established just the meshing is in on the planet carrier the sun gear with between the ring gear, the sun gear the planet carrier with two in the ring gear do the input, driving motor selectively with two the input transmission, two one in the input does the output, the sun gear the planet carrier with last one in the ring gear is fixed.
3. The axle assembly of claim 2, wherein an input shaft is connected to the drive motor, the sun gear is one of the input ends and the carrier is the other of the input ends and the output ends, the ring gear is fixed, and synchronizers for coupling are provided between the input shaft and the sun gear and between the input shaft and the carrier.
4. The axle assembly of claim 3, wherein the synchronizer includes: the gear hub is fixed on the input shaft, the gear sleeve is arranged on the gear hub and is relative to the gear hub, the sun gear faces one side of the gear sleeve and is provided with a first outer meshing tooth, the planet carrier faces one side of the gear sleeve and is provided with a second outer meshing tooth, the first outer meshing tooth and the second outer meshing tooth are arranged at intervals in the axial direction, and the gear sleeve is selectively combined with the first outer meshing tooth and the second outer meshing tooth.
5. The axle assembly of claim 4, wherein the first outer rolling tooth is disposed on a side of the second outer rolling tooth adjacent the hub, or
The first outer meshing teeth are arranged on one side, away from the gear hub, of the second outer meshing teeth.
6. The axle assembly of claim 1, wherein the axle shaft comprises: the left half shaft and the right half shaft are oppositely arranged left and right, and the driving component is integrally positioned at the longitudinal rear side of the left half shaft or the longitudinal rear side of the right half shaft.
7. The axle assembly of claim 1, wherein the drive motor is located longitudinally rearward of the planetary gear reducer.
8. The axle assembly of claim 7, wherein a wheel is attached to the axle shaft, and at least a portion of the planetary gear reducer is located laterally between the wheel and the differential.
9. The axle assembly of claim 1, wherein the drive assembly includes a first gear and a second gear in meshing drive, the output end being coaxially fixed with the first gear, the second gear being coaxially fixed with the drive bevel gear.
10. A vehicle comprising an axle assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920752.3U CN214138121U (en) | 2020-12-08 | 2020-12-08 | Axle assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920752.3U CN214138121U (en) | 2020-12-08 | 2020-12-08 | Axle assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214138121U true CN214138121U (en) | 2021-09-07 |
Family
ID=77584636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022920752.3U Active CN214138121U (en) | 2020-12-08 | 2020-12-08 | Axle assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214138121U (en) |
-
2020
- 2020-12-08 CN CN202022920752.3U patent/CN214138121U/en active Active
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