CN213484673U - Wheel driving motor assembly, wheel driving assembly and vehicle - Google Patents
Wheel driving motor assembly, wheel driving assembly and vehicle Download PDFInfo
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- CN213484673U CN213484673U CN202021775537.2U CN202021775537U CN213484673U CN 213484673 U CN213484673 U CN 213484673U CN 202021775537 U CN202021775537 U CN 202021775537U CN 213484673 U CN213484673 U CN 213484673U
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Abstract
The utility model relates to a wheel limit drive technical field discloses a wheel limit driving motor assembly, wheel limit drive assembly and vehicle. The wheel driving motor assembly comprises a first motor core body, a second motor core body and an outer cylinder body connected to a shell of a wheel transmission, wherein the first motor core body and the second motor core body are arranged in an inner channel of the outer cylinder body, and the central axes of the first motor core body and the second motor core body are arranged in parallel with the central axis of the outer cylinder body. Because first motor core and second motor core set up in the inner channel of outer barrel, this just with left driving motor and right driving motor integrated together, in-service use, outer barrel is connected on the casing of wheel limit derailleur, this further integrated nature that has just realized wheel limit drive assembly to can make wheel limit drive assembly integrated as an organic whole, compact structure, the volume is less, and is with low costs.
Description
Technical Field
The utility model relates to a wheel limit drive technical field specifically relates to a wheel limit driving motor assembly, a wheel limit drive assembly and a vehicle.
Background
With the development of vehicle technology, electric vehicles are becoming more and more popular. For example, a four-wheel independent drive system of an electric vehicle drives four wheels of the vehicle by four motors each independently, and the torque and speed of the four wheels can be precisely controlled independently of each other, thereby bringing a series of advantages such as realization of a smaller radius turn, an auxiliary ESP function, an auxiliary steering function, an auxiliary braking function, and the like.
Generally, a wheel-side driving scheme is often adopted in a four-wheel independent driving system, and in the existing wheel-side driving scheme, a left driving assembly and a right driving assembly are often integrated into a whole, so that the occupied space is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel limit driving motor assembly, this wheel limit driving motor assembly can be so that wheel limit driving assembly is integrated as an organic whole at in-service use, compact structure, and the volume is less, and is with low costs.
In order to achieve the above object, the utility model provides a wheel driving motor assembly, this wheel driving motor assembly include first motor core, second motor core and be used for connecting the outer barrel on the casing of wheel derailleur, wherein, first motor core with second motor core sets up in the inside passage of outer barrel, and first motor core with the respective the central axis of second motor core with the central axis parallel arrangement of outer barrel.
In this technical scheme, because first motor core and second motor core set up in the inside passage of outer barrel, this just with left driving motor and right driving motor integrated together, in-service use, outer barrel is connected on the casing of wheel limit derailleur, this further integrated nature that has just realized wheel limit drive assembly to can make wheel limit drive assembly integrated as an organic whole, compact structure, the volume is less, and is with low costs.
Further, the outer barrel includes an open end for connection to a housing of a hub transmission.
Further, one end of the outer cylinder is capped by an end wall, and the other end of the outer cylinder is opened to form the opened end.
In addition, the first motor core and the second motor core are arranged in the same radial direction of the outer cylinder.
In addition, the first motor core and the second motor core are arranged along an axial direction of the outer cylinder, a first output shaft of one of the first motor core and the second motor core is formed with a first hollow passage, and a power output path of a second output shaft of the other of the first motor core and the second motor core passes through the first hollow passage.
Further, the second output shaft is located outside an end portion of the first hollow passage in an axial direction of the outer cylinder.
Further, a second hollow passage for passing a power output path is formed inside the second output shaft.
In addition, the utility model provides a wheel driving assembly, this wheel driving assembly includes wheel derailleur and above arbitrary wheel driving motor assembly, wherein, wheel driving motor assembly is connected in the wheel derailleur and share the same lateral wall; the output shafts of the first motor core and the second motor core are respectively connected with the power input end of the left half shaft and the power input end of the right half shaft of the wheel side transmission; the hub transmission includes a left output half shaft and a right output half shaft.
Further, the wheel-side driving assembly comprises at least one of the following modes: the first method is as follows: the left output half shaft or the right output half shaft penetrates out of the hollow channel of each of the first motor core body and the second motor core body; the second method comprises the following steps: the casing of the hub transmission comprises a gear mounting cavity and a cavity cover, wherein the cavity cover can be detachably covered on the gear mounting cavity, and the left output half shaft and/or the right output half shaft penetrate out of the corresponding cavity cover.
Furthermore, the utility model provides a vehicle, the vehicle is provided with above arbitrary wheel limit drive assembly, wherein, left side output semi-axis with right side output semi-axis is connected with the left wheel and the right wheel power transmission of vehicle respectively.
Drawings
Fig. 1 is a first schematic view of a wheel-side driving assembly according to an embodiment of the present invention, which shows that a left output half shaft and a right output half shaft are respectively connected to a left wheel and a right wheel of a vehicle in a power transmission manner, and shows a first schematic structure of a wheel-side driving motor assembly according to an embodiment of the present invention;
fig. 2 is a second schematic view of the wheel-side driving assembly according to the embodiment of the present invention, which shows that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and shows a second schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention;
fig. 3 is a third schematic view of the wheel-side driving assembly according to the embodiment of the present invention, which shows that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and shows a second schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention;
fig. 4 is a fourth schematic view of the wheel-side driving assembly according to the embodiment of the present invention, showing that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and showing a third schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention;
fig. 5 is a fifth schematic view of the wheel-side driving assembly according to the embodiment of the present invention, which shows that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and shows a third schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention;
fig. 6 is a sixth schematic view of the wheel-side driving assembly according to the embodiment of the present invention, which shows that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and shows a fourth schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention;
fig. 7 is a seventh schematic diagram of the wheel-side driving assembly according to the embodiment of the present invention, which shows that the left output half shaft and the right output half shaft are respectively connected to the left wheel and the right wheel of the vehicle in a power transmission manner, and shows a fifth schematic structure of the wheel-side driving motor assembly according to the embodiment of the present invention.
Description of the reference numerals
1-a first motor core, 2-a second motor core, 3-an outer cylinder, 4-a first output shaft, 5-a first hollow channel, 6-a second output shaft, 7-a second hollow channel, 8-a wheel-side transmission, 9-a wheel-side driving motor assembly, 10-a left output half shaft, 11-a right output half shaft, 12-a gear installation cavity, 13-a cavity sealing cover, 14-a first half shaft power input hollow shaft and 15-a second half shaft power output hollow shaft.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1-6, the utility model provides a wheel driving motor assembly 9 includes first motor core 1, second motor core 2 and is used for connecting the outer barrel 3 on the casing of wheel derailleur, and wherein, first motor core 1 and second motor core 2 set up in the inside passage of outer barrel 3 to first motor core 1 and the respective the central axis of second motor core 2 and the central axis parallel arrangement of outer barrel 3.
In this wheel driving motor assembly 9, because first motor core 1 and second motor core 2 set up in the inner passage of outer barrel 3, this just with left driving motor and right driving motor through outer barrel 3 integration together, this wheel driving motor assembly 9 is in actual use, outer barrel 3 connects on the casing of wheel derailleur in order to constitute wheel driving assembly, this further integrated nature of wheel driving assembly has just been realized to this, thereby can make wheel driving assembly integrated as an organic whole, compact structure, the volume is less, and is with low costs.
In addition, in the wheel-side driving motor assembly, the central axes of the first motor core 1 and the second motor core 2 may be radially spaced, or may be axially spaced, or may be overlapped with each other (which is a special case of parallel), and similarly, the central axes of the first motor core 1 and the second motor core 2 may be radially spaced from the central axis of the outer cylinder 3, or may be overlapped with each other.
In the wheel-side drive motor assembly, both ends in the axial direction of the outer cylinder 3 may include end caps, and for example, in one embodiment, as shown in fig. 7, the respective output shafts of the first motor core 1 and the second motor core 2 protrude from the respective end caps. Alternatively, as shown in fig. 3 and 4, the output shafts of the first motor core 1 and the second motor core 2 protrude from the end cover on one side. In addition, in the actual installation of the wheel-side driving motor assembly, an opening can be formed on the shell of the wheel-side transmission, and the end cover of the outer cylinder 3 can be connected and covered on the opening, so that the end cover can be used as a shell wall shared by the wheel-side driving motor assembly and the wheel-side transmission.
Alternatively, in another embodiment, the outer cylinder 3 includes an open end for connecting to the housing of the wheel-side transmission, so that the open section facilitates connection of the output shaft of each of the first motor core 1 and the second motor core 2 to the power input shaft of the wheel-side transmission, and further, when the open end is connected to the housing of the wheel-side transmission, the portion of the housing of the wheel-side transmission corresponding to the open end will serve as a common housing wall for both the wheel-side drive motor assembly and the wheel-side transmission. This can further make the compact structure of wheel limit drive assembly to reduce weight, reduce cost.
In addition, in an embodiment, both axial ends of the outer cylinder 3 may be simultaneously opened to form an opened end, as shown in fig. 7, so that both axial ends of the outer cylinder 3 may be respectively connected to the housings of the wheel-side shifters corresponding to the respective ends and share the same housing wall, and the two wheel-side shifters may be separately arranged (refer to fig. 7) or integrated (refer to fig. 6).
In addition, in another embodiment, as shown in fig. 1 to 6, one end of the outer cylinder 3 is covered by an end wall, and the other end of the outer cylinder 3 is opened to form an open end, so that in actual assembly, the wheel-side drive motor assembly 9 can be connected to the left side or the right side of the wheel-side transmission 8 through the open end and share the same housing wall, and in fig. 1 to 6, the left and right wheel-side transmissions are integrated, which further improves the compactness of the wheel-side drive assembly, further reduces the volume and the weight.
In addition, in an embodiment of the wheel-side driving motor assembly, the first motor core 1 and the second motor core 2 may be disposed in the outer cylinder 3 in an oblique manner, that is, spaced in the axial direction and spaced in the radial direction, so that in an embodiment, a part of the accommodating space may be left in the outer cylinder 3, and in actual use, some control accessories related to each motor may be disposed in the accommodating space in the outer cylinder 3 according to actual use requirements, or some other accessories related to the wheel-side driving motor assembly may be provided. Alternatively, in another embodiment, a corresponding escape space may be formed outside the outer cylinder 3, so that when the wheel-side drive motor assembly is installed, the escape space may accommodate some parts of the surrounding environment, and the like.
In addition, in another embodiment of the wheel-side driving motor assembly, as shown in fig. 4-6, the first motor core 1 and the second motor core 2 are arranged in the same radial direction of the outer cylinder 3, that is, the front end face and the rear end face of the first motor core 1 and the second motor core 2 are respectively arranged in alignment or substantially aligned in the radial direction (slight difference may be allowed due to manufacturing and assembling errors), so that, referring to fig. 5, one end of the outer cylinder 3 away from the wheel-side transmission 8 may be covered by a flat end cover, and such a structural arrangement may further shorten the axial distance of the wheel-side driving motor assembly, so that the wheel-side driving motor assembly has a compact structure, reduced weight and reduced cost.
In addition, in still another embodiment of the wheel-side drive motor assembly, referring to fig. 1 to 3, the first motor core 1 and the second motor core 2 are arranged along the axial direction of the outer cylinder 3, the first output shaft 4 of one of the first motor core 1 and the second motor core 2 is formed with a first hollow passage 5, and the power output path of the second output shaft 6 of the other of the first motor core 1 and the second motor core 2 passes through the first hollow passage 5. For example, in the embodiment shown in fig. 2, the first output shaft 4 of the second motor core 2 is formed with a first hollow passage 5, the first output shaft 4 is connected to the hollow input shaft of the left speed change gear set, and the input shaft of the right speed change gear set passes through the hollow input shaft and the first hollow passage 5 and is connected to the second output shaft 6 of the first motor core 1.
In addition, the second output shaft 6 may be located outside the end of the first hollow passage 5 in the axial direction of the outer cylinder 3, so that the power input shaft of the transmission may pass out of the first hollow passage 5 and be connected with the second output shaft 6. Alternatively, the second output shaft 6 may extend out of the first hollow passage 5, so that the first output shaft 4 and the hollow input shaft, and the second output shaft 6 and the input shaft of the gear change set may be connected simultaneously.
In addition, as shown in fig. 1, the second output shaft 6 is internally formed with a second hollow passage 7 for the output half shaft to pass through. For example, in fig. 1, the first motor core 1 is used as a left driving motor, the second motor core 2 is used as a right driving motor, the first output shaft 4 of the right driving motor is formed with a first hollow passage 5, the first output shaft 4 is connected with a first half shaft power input hollow shaft 14 of a right reduction gear set, the second output shaft 6 of the left driving motor is formed with a second hollow passage 7, the second half shaft power output hollow shaft 15 of the left reduction gear set penetrates through the first half shaft power input hollow shaft 14 and the first hollow passage 5 and then is connected with the second output shaft 6, and the left output half shaft 10 of the left reduction gear set penetrates through the second half shaft power output hollow shaft 15 and the second hollow passage 7 and then can be connected with the left wheel power transmission. Therefore, compared with the embodiment of fig. 2, the embodiment of fig. 1 can further reduce the radial dimension of the wheel rim driving assembly, reduce the volume and reduce the cost.
In addition, referring to fig. 1-7, the present invention provides a wheel-side driving assembly, which comprises a wheel-side transmission 8 and a wheel-side driving motor assembly 9 as described above, wherein the wheel-side driving motor assembly 9 is connected to the wheel-side transmission 8 and shares the same side wall; the output shafts of the first motor core body 1 and the second motor core body 2 are respectively connected with the power input end of a left half shaft and the power input end of a right half shaft of the wheel-side transmission 8; the hub transmission 8 includes a left output half shaft 10 and a right output half shaft 11.
Therefore, the wheel driving motor assembly 9 is connected to the wheel transmission 8 and shares the same side wall, and the wheel driving motor assembly 9 can further improve the integration of the wheel driving assembly, so that the wheel driving assembly has the advantages of compact structure, small volume and low cost.
Fig. 1 to 7 show seven schematic structures of the wheel-side driving assembly, but it should be noted that the wheel-side driving assembly of the present invention is not limited to the seven schematic structures shown in fig. 1 to 7, the left and right speed changing mechanisms in the wheel-side transmission 8 can have various forms, and meanwhile, the wheel-side driving motor assembly 9 can also be connected at different positions of the wheel-side transmission 8, so that the wheel-side driving assembly can have various structures.
In addition, the wheel edge driving assembly comprises at least one of the following modes: the first method is as follows: the first motor core body 1 and the second motor core body 2 are arranged along the axial direction of the outer cylinder body 3, a first hollow channel 5 is formed on a first output shaft 4 of one of the first motor core body 1 and the second motor core body 2, and the first output shaft 4 is connected with a first semi-shaft power input hollow shaft 14; a second hollow passage 7 is formed inside the second output shaft 6 of the other of the first motor core 1 and the second motor core 2; the second output shaft 6 is connected with a second half-shaft power input hollow shaft 15, and the second half-shaft power input hollow shaft 15 penetrates through the first hollow channel 5 and the first half-shaft power input hollow shaft 14; an output half shaft in power transmission connection with the second half shaft power input hollow shaft 15 penetrates out of the second half shaft power input hollow shaft 15 and the second hollow channel 7; for example, in fig. 1, the first motor core 1 is used as a left driving motor, the second motor core 2 is used as a right driving motor, the first output shaft 4 of the right driving motor is formed with a first hollow passage 5, the first output shaft 4 is connected with a first half shaft power input hollow shaft 14 of a right reduction gear set, the second output shaft 6 of the left driving motor is formed with a second hollow passage 7, the second half shaft power output hollow shaft 15 of the left reduction gear set penetrates through the first half shaft power input hollow shaft 14 and the first hollow passage 5 and then is connected with the second output shaft 6, and the left output half shaft 10 of the left reduction gear set penetrates through the second half shaft power output hollow shaft 15 and the second hollow passage 7 and then can be connected with the left wheel power transmission. The second method comprises the following steps: referring to fig. 1 and 4, the case of the wheel-side transmission 8 includes a gear mounting cavity 12 and a cavity cover 13, wherein the cavity cover 13 is detachably covered on the gear mounting cavity 12, and wherein the left output half shaft 10 and/or the right output half shaft 11 are passed out from the respective cavity cover 13. Thus, the gear mounting cavity 12 can be provided with a desired transmission gear and then be covered with the cavity cover 13.
Finally, the utility model provides a vehicle, this vehicle be provided with above arbitrary wheel limit drive assembly, wherein, left output semi-axis 10 and right output semi-axis 11 are connected with the left wheel and the right wheel power transmission of vehicle respectively. Thus, the overall quality of the vehicle is effectively improved through the wheel-side driving assembly.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A wheel driving motor assembly is characterized by comprising a first motor core body (1), a second motor core body (2) and an outer cylinder body (3) which is used for being connected to a shell of a wheel transmission, wherein,
the first motor core (1) and the second motor core (2) are provided in an internal passage of the outer cylinder (3), and respective center axes of the first motor core (1) and the second motor core (2) are arranged in parallel with a center axis of the outer cylinder (3).
2. A wheel-drive motor assembly according to claim 1, characterized in that the outer cylinder (3) comprises an open end for connection to a housing of a wheel-drive gearbox.
3. A wheel-rim drive motor assembly according to claim 2, characterized in that one end of the outer cylinder (3) is closed by an end wall and the other end of the outer cylinder (3) is open to form the open end.
4. A wheel-side drive motor assembly according to any one of claims 1-3, characterized in that the first motor core (1) and the second motor core (2) are arranged in the same radial direction of the outer cylinder (3).
5. A wheel-side drive motor assembly according to any one of claims 1-3, characterized in that the first motor core (1) and the second motor core (2) are arranged along the axial direction of the outer cylinder (3), the first output shaft (4) of one of the first motor core (1) and the second motor core (2) is formed with a first hollow passage (5), and the power output path of the second output shaft (6) of the other of the first motor core (1) and the second motor core (2) passes through the first hollow passage (5).
6. A wheel-rim drive motor assembly according to claim 5, characterized in that the second output shaft (6) is located outside the end of the first hollow channel (5) in the axial direction of the outer cylinder (3).
7. A wheel-drive motor assembly according to claim 5, characterized in that the second output shaft (6) is internally formed with a second hollow channel (7) for the passage of the output half shaft.
8. A wheel-rim drive assembly, characterized by comprising a wheel-rim transmission (8) and a wheel-rim drive motor assembly (9) according to any one of claims 1-7, wherein,
the wheel-side driving motor assembly (9) is connected to the wheel-side transmission (8) and shares the same side wall;
the output shafts of the first motor core body (1) and the second motor core body (2) are respectively connected with the power input end of a left half shaft and the power input end of a right half shaft of the wheel-side transmission (8);
the hub transmission (8) comprises a left output half shaft (10) and a right output half shaft (11).
9. The wheel drive assembly as set forth in claim 8, wherein said wheel drive assembly includes at least one of:
the first method is as follows: the first motor core body (1) and the second motor core body (2) are arranged along the axial direction of the outer cylinder body (3), a first hollow channel (5) is formed on a first output shaft (4) of one of the first motor core body (1) and the second motor core body (2), and a first half shaft power input hollow shaft (14) is connected to the first output shaft (4);
a second hollow channel (7) is formed inside a second output shaft (6) of the other of the first motor core (1) and the second motor core (2);
the second output shaft (6) is connected with a second half-shaft power input hollow shaft (15), and the second half-shaft power input hollow shaft (15) penetrates through the first hollow channel (5) and the first half-shaft power input hollow shaft (14);
an output half shaft in power transmission connection with the second half shaft power input hollow shaft (15) penetrates out of the second half shaft power input hollow shaft (15) and the second hollow channel (7);
the second method comprises the following steps: the casing of the hub transmission (8) comprises a gear mounting cavity (12) and a cavity cover (13), wherein the cavity cover (13) can be detachably covered on the gear mounting cavity (12), and the left output half shaft (10) and/or the right output half shaft (11) penetrate out of the corresponding cavity cover (13).
10. A vehicle, characterized in that it is provided with a wheel-drive assembly according to claim 8 or 9, wherein the left output half-shaft (10) and the right output half-shaft (11) are in power-transmitting connection with the left and right wheels of the vehicle, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775537.2U CN213484673U (en) | 2020-08-21 | 2020-08-21 | Wheel driving motor assembly, wheel driving assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775537.2U CN213484673U (en) | 2020-08-21 | 2020-08-21 | Wheel driving motor assembly, wheel driving assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213484673U true CN213484673U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775537.2U Active CN213484673U (en) | 2020-08-21 | 2020-08-21 | Wheel driving motor assembly, wheel driving assembly and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN213484673U (en) |
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- 2020-08-21 CN CN202021775537.2U patent/CN213484673U/en active Active
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