CN211606257U - In-wheel motor and car - Google Patents
In-wheel motor and car Download PDFInfo
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- CN211606257U CN211606257U CN202020911284.0U CN202020911284U CN211606257U CN 211606257 U CN211606257 U CN 211606257U CN 202020911284 U CN202020911284 U CN 202020911284U CN 211606257 U CN211606257 U CN 211606257U
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- motor
- wheel motor
- positioning
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Abstract
The utility model relates to an automobile manufacturing technical field particularly, relates to an in-wheel motor and car. An in-wheel motor comprises a motor shaft, a flange plate and a rotor shell. One side of the flange plate is connected with one end of the motor shaft, and the rotor shell is connected with one side of the flange plate far away from the motor shaft. The hub motor is easy to assemble and maintain.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field particularly, relates to an in-wheel motor and car.
Background
In the prior art, the assembly process of the hub motor is complex, the subsequent maintenance is also complex, and if the hub motor shaft needs to be replaced, the whole hub motor needs to be disassembled for replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an in-wheel motor and car, it is easily assembled and is maintained.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides an in-wheel motor, which includes a motor shaft, a flange plate and a rotor housing;
one side of the flange plate is connected with one end of the motor shaft, and the rotor shell is connected with one side of the flange plate far away from the motor shaft.
In an alternative embodiment, the rotor housing is provided with a first connection portion and the flange is provided with a second connection portion;
the first connecting portion is connected with the second connecting portion.
In an alternative embodiment, the second connection portion has a shape adapted to the first connection portion.
In an alternative embodiment, the in-wheel motor further comprises at least a first sealing ring arranged between the mating faces of the first and second connection portions.
In an alternative embodiment, the surface of the second connecting portion for mating with the first connecting portion is provided with at least one first mounting groove for mounting the first sealing ring.
In an alternative embodiment, the in-wheel motor further comprises at least one positioning key;
the surface of the first connecting part, which is used for being matched with the second connecting part, is provided with at least one first positioning hole; the surface of the second connecting part, which is used for being matched with the first connecting part, is provided with at least one second positioning hole;
the first positioning holes and the second positioning holes are matched in a one-to-one correspondence mode to form an installation cavity for installing the positioning keys.
In an alternative embodiment, the in-wheel motor further comprises a plurality of positioning keys;
the first connecting part is provided with a plurality of first positioning holes; the second connecting part is provided with a plurality of second positioning holes;
the first positioning holes and the second positioning holes are arranged around the central axis of the motor shaft at intervals in sequence.
In an alternative embodiment, the in-wheel motor further comprises a plurality of connection studs;
the first connecting part is provided with a plurality of first through holes and the second connecting part is provided with a plurality of second through holes around the central axis of the motor shaft;
the plurality of first through holes, the plurality of second through holes and the plurality of connecting studs correspond to one another, and each connecting stud is used for being in threaded connection with the corresponding first through hole after penetrating through the corresponding second through hole.
In an optional embodiment, the in-wheel motor further comprises a second sealing ring, and one end of the second through hole facing the motor shaft is provided with a second mounting groove for mounting the second sealing ring.
In a second aspect, an embodiment of the present invention provides an automobile, which includes at least one wheel hub motor.
The utility model discloses beneficial effect includes:
the hub motor comprises a motor shaft, a flange plate and a rotor shell. Wherein, one side of ring flange is connected with the one end of motor shaft, and rotor housing is connected with the one side that the motor shaft was kept away from to the ring flange.
Therefore, the rotor shell is relatively positioned on the outer side of the flange plate, and the steps of assembly and maintenance can be simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a hub motor in an embodiment of the present invention;
FIG. 2 is an enlarged view at II in FIG. 1;
fig. 3 is an enlarged schematic view of fig. 1 at point iii.
200-hub motor; 210-a motor shaft; 220-flange plate; 230-a rotor housing; 231-a first connection; 221-a second connection; 241-a first sealing ring; 222-a first mounting groove; 242-orientation key; 232-first positioning hole; 223-a second positioning hole; 243-installation cavity; 244-connecting studs; 233-a first via; 224-a second via; 245-a second seal ring; 225-second mounting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, fig. 1 shows a structure of a hub motor in an embodiment of the present invention, and fig. 2 and 3 show structures of a first connecting portion and a second connecting portion in an embodiment of the present invention; the present embodiment provides an in-wheel motor 200, and the in-wheel motor 200 includes a motor shaft 210, a flange plate 220 and a rotor housing 230.
One side of the flange 220 is connected to one end of the motor shaft 210, and the rotor housing 230 is connected to one side of the flange 220 away from the motor shaft 210.
The working principle of the in-wheel motor 200 is as follows:
the in-wheel motor 200 includes a motor shaft 210, a flange 220, and a rotor housing 230. One side of the flange plate 220 is connected to one end of the motor shaft 210, and the rotor housing 230 is connected to one side of the flange plate 220 away from the motor shaft 210.
In the prior art, the rotor housing 230 is connected to the inner side of the flange 220, which is inconvenient for assembling the in-wheel motor 200, and the whole in-wheel motor 200 needs to be disassembled to be replaced in the subsequent maintenance of the in-wheel motor 200 or the replacement of the motor shaft 210, thereby making the subsequent maintenance more complicated. Compared with the prior art, the utility model discloses a set up the mode in the outside of ring flange 220 relatively with rotor housing 230, such mode of setting can be convenient for rotor housing 230's installation, and through disassembling rotor housing 230 alright maintain hub motor 200 or change motor shaft 210 to and then can simplify the step of assembly and maintenance.
Further, in the present embodiment, when the rotor housing 230 and the flange 220 are connected, in order to facilitate the connection between the rotor housing 230 and the flange 220, the rotor housing 230 is provided with a first connection portion 231, and the flange 220 is provided with a second connection portion 221; the first connection portion 231 is connected to the second connection portion 221.
In order to improve the assembly accuracy and simplify the mounting process when the first connection portion 231 and the second connection portion 221 are provided, the second connection portion 221 has a shape corresponding to the first connection portion 231, so that the positioning efficiency of the first connection portion 231 and the second connection portion 221 is improved, thereby improving the assembly accuracy and simplifying the mounting process.
Referring to fig. 1 and 2, in the present embodiment, in order to improve the positioning accuracy and the positioning efficiency of the first connection portion 231 and the second connection portion 221 during the connection process when the first connection portion 231 and the second connection portion 221 are disposed, in addition to enabling the second connection portion 221 to have a shape adapted to the first connection portion 231, the in-wheel motor 200 may further include at least one positioning key 242 disposed between the mating surfaces of the first connection portion 231 and the second connection portion 221, so as to position the first connection portion 231 and the second connection portion 221 through the positioning element.
Secondly, in order to facilitate the installation of the positioning key 242, in the embodiment of the present invention, at least one first positioning hole 232 is disposed on a surface of the first connecting portion 231 for cooperating with the second connecting portion 221; the surface of the second connecting portion 221 for matching with the first connecting portion 231 is provided with at least one second positioning hole 223; the two first positioning holes 232 and the second positioning holes 223 are correspondingly matched to form a mounting cavity 243 for mounting the positioning key 242.
It should be noted that, in the present embodiment, a manner is adopted in which the in-wheel motor 200 includes a plurality of positioning keys 242 disposed between the mating surfaces of the first connecting portion 231 and the second connecting portion 221 to ensure positioning accuracy, and then, corresponding to the plurality of positioning keys 242, the first connecting portion 231 is provided with a plurality of first positioning holes 232; the second connection part 221 is provided with a plurality of second positioning holes 223; the first positioning holes 232 and the second positioning holes 223 are sequentially arranged around the central axis of the motor shaft 210 at intervals to form a plurality of mounting cavities 243 sequentially arranged around the central axis of the motor shaft 210 at intervals, and the mounting cavities 243 are matched with the positioning keys 242 in a one-to-one correspondence manner.
Referring to fig. 1 and fig. 2, in the present embodiment, the in-wheel motor 200 further includes at least a first sealing ring 241 disposed between the mating surfaces of the first connecting portion 231 and the second connecting portion 221. And the surface of the second connecting portion 221 for mating with the first connecting portion 231 is provided with at least one first mounting groove 222 for mounting the first sealing ring 241. In this arrangement, the first mounting groove 222 for mounting the first seal ring 241 is provided on the surface of the second connection portion 221 that engages with the first connection portion 231, so that the mounting stability of the first seal ring 241 can be improved, and the sealing performance of the in-wheel motor 200 can be improved.
Referring to fig. 1 and fig. 3, further, in the present embodiment, the in-wheel motor 200 further includes a plurality of connecting studs 244; and around the central axis of the motor shaft 210, the first connection portion 231 is provided with a plurality of first through holes 233, and the second connection portion 221 is provided with a plurality of second through holes 224; the plurality of first through holes 233, the plurality of second through holes 224, and the plurality of connecting studs 244 correspond to one another, and each connecting stud 244 is used for being in threaded connection with the corresponding first through hole 233 after passing through the corresponding second through hole 224, so that the connection stability between the rotor housing 230 and the flange plate 220 is improved.
In addition, in order to improve the sealing performance of the connection position between the connection stud 244 and the flange plate 220, the in-wheel motor 200 further includes a second sealing ring 245, and a second mounting groove 225 for mounting the second sealing ring 245 is provided at one end of the second through hole 224 facing the motor shaft 210.
In this way, the utility model also provides an automobile, automobile include at least one foretell in-wheel motor 200.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An in-wheel motor characterized by:
the hub motor comprises a motor shaft, a flange plate and a rotor shell;
one side of the flange plate is connected with one end of the motor shaft, and the rotor shell is connected with one side, far away from the motor shaft, of the flange plate.
2. The in-wheel motor of claim 1, wherein:
the rotor shell is provided with a first connecting part, and the flange plate is provided with a second connecting part;
the first connecting portion is connected with the second connecting portion.
3. The in-wheel motor of claim 2, wherein:
the second connecting portion has a shape corresponding to the first connecting portion.
4. The in-wheel motor of claim 2, wherein:
the in-wheel motor further comprises at least a first sealing ring arranged between the matching surfaces of the first connecting portion and the second connecting portion.
5. The in-wheel motor of claim 4, wherein:
the second connecting portion be used for with be provided with at least one on the first connecting portion complex face and be used for installing first mounting groove of first sealing washer.
6. The in-wheel motor of claim 2, wherein:
the hub motor further comprises at least one positioning key;
the surface of the first connecting part, which is used for being matched with the second connecting part, is provided with at least one first positioning hole; the surface of the second connecting part, which is used for being matched with the first connecting part, is provided with at least one second positioning hole;
the first positioning holes and the second positioning holes are matched in a one-to-one correspondence mode to form an installation cavity for installing the positioning keys.
7. The in-wheel motor of claim 6, wherein:
the hub motor further comprises a plurality of positioning keys;
the first connecting part is provided with a plurality of first positioning holes; the second connecting part is provided with a plurality of second positioning holes;
the first positioning holes and the second positioning holes are arranged around the central axis of the motor shaft at intervals in sequence.
8. The in-wheel motor of claim 2, wherein:
the hub motor further comprises a plurality of connecting studs;
the first connecting part is provided with a plurality of first through holes around the central axis of the motor shaft, and the second connecting part is provided with a plurality of second through holes;
the plurality of first through holes, the plurality of second through holes and the plurality of connecting studs correspond to one another one by one, and each connecting stud is used for being in threaded connection with the corresponding first through hole after penetrating through the corresponding second through hole.
9. The in-wheel motor of claim 8, wherein:
the hub motor further comprises a second sealing ring, and a second mounting groove for mounting the second sealing ring is formed in one end, facing the motor shaft, of the second through hole.
10. An automobile, characterized in that:
the motor vehicle comprising at least one in-wheel motor according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911284.0U CN211606257U (en) | 2020-05-26 | 2020-05-26 | In-wheel motor and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911284.0U CN211606257U (en) | 2020-05-26 | 2020-05-26 | In-wheel motor and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211606257U true CN211606257U (en) | 2020-09-29 |
Family
ID=72585026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020911284.0U Active CN211606257U (en) | 2020-05-26 | 2020-05-26 | In-wheel motor and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211606257U (en) |
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2020
- 2020-05-26 CN CN202020911284.0U patent/CN211606257U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221207 Address after: 030000 Rooms 601, 602 and 605, Floor 6, Building 1, No. 4, Dong'e'er Lane, Taiyuan Xuefu Park, Taiyuan Comprehensive Reform Demonstration Zone, Shanxi Province Patentee after: SHANXI DONGHUI NEW ENERGY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Address before: Room c-0063, 2 / F, building 3, yard 30, Shixing street, Shijingshan District, Beijing Patentee before: Beijing Cuifeng Capital Investment Co.,Ltd. |
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| TR01 | Transfer of patent right |