CN216861070U - Hub matched with hub motor - Google Patents
Hub matched with hub motor Download PDFInfo
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- CN216861070U CN216861070U CN202220518134.2U CN202220518134U CN216861070U CN 216861070 U CN216861070 U CN 216861070U CN 202220518134 U CN202220518134 U CN 202220518134U CN 216861070 U CN216861070 U CN 216861070U
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- rim
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Abstract
A hub matched with a hub motor comprises a hub and a motor; the hub comprises a cylindrical rim, a radial plate is arranged between the outer ends of the rim, and a shaft hole is formed in the middle of the radial plate; the outer end of the wheel rim is provided with an annular outer wheel rim, and the inner end of the wheel rim is provided with an annular inner wheel rim; the inner wheel rim is provided with a plurality of bolt seats which are distributed along the periphery of the inner wheel rim, the thickness of each bolt seat is larger than that of the inner wheel rim, and the outer side of each bolt seat is provided with a horizontal bolt hole; the motor is positioned in the inner space of the rim, the shell of the motor comprises a cylindrical shell, a front cover plate and a rear cover plate are fixedly arranged at two ends of the shell respectively, the front cover plate is connected with the spoke plate through a first fixing bolt, the rear cover plate is connected with the inner rim through a second fixing bolt, and the second fixing bolt is positioned in a corresponding bolt hole; the output shaft of the motor is positioned in the shaft hole. The utility model enlarges the diameter space of the wheel rim, increases the offset distance and is suitable for the installation of a high-power hub motor under the condition of meeting the requirements of tire installation and integral strength.
Description
Technical Field
The utility model relates to a hub structure, in particular to a novel hub matched with a hub motor, which can be used as a common hub.
Background
The conventional hub is generally formed by forging, cast iron or casting process, and has smaller offset distance (ET) for ensuring the integral supporting strength. The hub motor is generally arranged in a hub matched with the hub motor and is jointed with a wheel disk, the power and the torque of the hub motor depend on the diameter and the length of the hub motor, and the diameter has larger influence on the hub motor. The internal space of the hub and the position of the spokes determine the power of the equipped hub motor, thereby affecting the performance of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hub matched with a hub motor, which enlarges the diameter space of a rim and increases the offset distance under the condition of meeting the requirements of tire installation and integral strength, and is suitable for the installation of a high-power hub motor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hub matched with a hub motor comprises a hub and a motor;
the hub comprises a cylindrical rim, a radial plate is arranged between the outer ends of the rim, and a shaft hole is formed in the middle of the radial plate; the distance between the inner side of the spoke plate and the center line of the rim is 0-80 mm; the outer end of the wheel rim is provided with an annular outer wheel rim, and the inner end of the wheel rim is provided with an annular inner wheel rim; the inner rim is provided with a plurality of bolt seats which are distributed along the periphery of the inner rim, the thickness of each bolt seat is larger than that of the inner rim, and the outer side of each bolt seat is provided with a horizontal bolt hole;
the motor is positioned in the inner space of the rim, the shell of the motor comprises a cylindrical shell, a front cover plate and a rear cover plate are fixedly arranged at two ends of the shell respectively, the front cover plate is connected with the spoke plate through a first fixing bolt, the rear cover plate is connected with the inner rim through a second fixing bolt, and the second fixing bolt is positioned in a corresponding bolt hole; the output shaft of the motor is positioned in the shaft hole.
Furthermore, the rear cover plate is a flat plate, and the outer side face of the rear cover plate is flush with the outer side of the inner rim.
Further, the middle part of the rear cover plate is concave towards the direction close to the spoke plate.
Further, the middle part of the rear cover plate protrudes towards the direction far away from the spoke plate.
Furthermore, an annular inner concave surface is arranged on the outer side of the inner rim, and the rear cover plate is located in the inner concave surface.
Further, the distance between the inner side of the web and the center line of the rim is 50 mm.
Furthermore, a wedge-shaped abutting ring is arranged in a gap between the shell and the rim, a reinforcing bolt abutting against the wedge-shaped abutting ring is arranged at the position, corresponding to the wedge-shaped abutting ring, of the rear cover plate, and a reinforcing nut is sleeved on the reinforcing bolt.
The utility model has the beneficial effects that: according to the hub motor matched with the hub, under the condition of meeting the requirement of tire mounting, the diameter space of a rim is enlarged as much as possible (namely, the groove bottom is narrowed), and meanwhile, the offset distance (ET) is increased; in order to ensure the integral strength, the hub end face (wheel rim) at the inlet side of the hub motor is thickened, and the connection with the hub motor end cover plate is increased, so that the space is increased, and the strength is ensured to adapt to the installation of a high-power hub motor.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a hub matched with a hub motor of the utility model.
Fig. 2 is a schematic structural diagram of the inner rim of the hub motor matching hub in embodiment 2 of the utility model.
Fig. 3 is a schematic structural diagram of the inner rim of the hub motor matching hub in embodiment 3 of the utility model.
Fig. 4 is a schematic structural diagram of an embodiment 4 of the hub matched with the hub motor of the utility model.
Detailed Description
The present invention will be described with reference to the following embodiments and drawings, but the embodiments are only for illustrative purposes and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present invention provides a hub for a hub motor, which is embodiment 1 and includes a hub 1 and a motor 2.
The hub 1 comprises a cylindrical rim 11, a wheel disk 12 is arranged between the outer ends of the rim 11, and a shaft hole 13 is arranged in the middle of the wheel disk 12. The distance (i.e. the offset, ET) between the inside of the web 12 and the centre line of the rim 11 is 0-80mm, preferably 50 mm. The offset distance of the spoke plate 12 is far larger than that of a common hub, and a larger installation space can be provided for installing a motor with larger power.
The rim 11 has an annular outer rim 14 at its outer end and an annular inner rim 15 at its inner end. The inner rim 15 is provided with a plurality of bolt seats 16 distributed along the periphery of the inner rim 15, the thickness of each bolt seat 16 is larger than that of the inner rim 15, and horizontal bolt holes are formed on the outer side of each bolt seat 16.
The motor 2 is located in the inner space of the rim 11, the housing of the motor 2 includes a cylindrical housing 21, a front cover plate 22 and a rear cover plate 23 are respectively fixed to two ends of the housing 21, the front cover plate 22 is connected to the web 12 through a first fixing bolt 24, the rear cover plate 23 is connected to the inner rim 15 through a second fixing bolt 25, the second fixing bolt 25 is located in the bolt hole of the corresponding bolt seat 16, and an output shaft 26 of the motor 2 is located in the shaft hole 13. In order to enhance the sealing effect, an annular concave surface 151 is arranged outside the inner rim 15 to form a step, and the back cover plate 23 is located in the concave surface 151, so that the back cover plate 23 of the motor 2 not only serves as an end cover of the hub motor, but also is fixed on the concave surface 151 of the inner rim 15 of the hub through the second fixing bolt 25 to play a role in sealing and supporting.
In this embodiment, the rear cover plate 23 is a flat plate, and the outer side surface is flush with the outer side of the inner rim 15. As shown in fig. 2, which is embodiment 2 of the present invention, the difference from embodiment 1 is that the middle portion of the back cover plate 23 is recessed toward the direction of the web 12. As shown in fig. 3, which is embodiment 3 of the present invention, the difference from embodiment 1 is that the middle portion of the back cover 23 is projected in a direction away from the web 12. The flat plate in the middle of the rear cover plate 23 protrudes outwards or inwards, so that the length of the motor 2 can be adjusted to adjust the power of the motor 2.
As shown in fig. 4, it is embodiment 4 of the present invention, which is different from embodiment 1 in that a wedge-shaped abutting ring 3 is provided in a gap between the housing 21 and the rim 11 to secure a supporting strength. The position of the back cover plate 23 corresponding to the wedge-shaped abutting ring 3 is provided with a reinforcing bolt 4 abutting against the wedge-shaped abutting ring 3, and the reinforcing bolt 4 is sleeved with a reinforcing nut 5.
According to the hub motor matched with the hub, under the condition of meeting the requirement of tire mounting, the diameter space of a rim is enlarged as much as possible (namely, the groove bottom is narrowed), and meanwhile, the offset distance (ET) is increased; in order to ensure the integral strength, the end surface (wheel rim) of the hub at the inlet side of the hub motor is thickened, and the connection with the end cover plate of the hub motor is increased, so that the space is increased, and the strength is ensured to adapt to the installation of a high-power hub motor.
The utility model is defined by the claims. Based on this, it should be understood that various obvious changes and modifications can be made by those skilled in the art, which are within the main spirit and scope of the present invention.
Claims (7)
1. A hub matched with a hub motor is characterized by comprising a hub and a motor;
the hub comprises a cylindrical rim, a radial plate is arranged between the outer ends of the rim, and a shaft hole is formed in the middle of the radial plate; the distance between the inner side of the wheel disk and the center line of the wheel rim is 0-80 mm; the outer end of the wheel rim is provided with an annular outer wheel rim, and the inner end of the wheel rim is provided with an annular inner wheel rim; the inner rim is provided with a plurality of bolt seats which are distributed along the periphery of the inner rim, the thickness of each bolt seat is larger than that of the inner rim, and the outer side of each bolt seat is provided with a horizontal bolt hole;
the motor is positioned in the inner space of the rim, the shell of the motor comprises a cylindrical shell, a front cover plate and a rear cover plate are fixedly arranged at two ends of the shell respectively, the front cover plate is connected with the spoke plate through a first fixing bolt, the rear cover plate is connected with the inner rim through a second fixing bolt, and the second fixing bolt is positioned in a corresponding bolt hole; the output shaft of the motor is positioned in the shaft hole.
2. The hub for a hub motor as claimed in claim 1, wherein: the rear cover plate is a flat plate, and the outer side face of the rear cover plate is flush with the outer side of the inner rim.
3. The hub for a hub motor as claimed in claim 1, wherein: the middle part of the rear cover plate is sunken towards the direction close to the wheel disk.
4. The hub for a hub motor as claimed in claim 1, wherein: the middle part of the rear cover plate protrudes towards the direction far away from the spoke plate.
5. The in-wheel motor mating hub according to any one of claims 1 to 4, wherein: an annular inner concave surface is arranged on the outer side of the inner rim, and the rear cover plate is located in the inner concave surface.
6. The in-wheel motor mating hub according to any one of claims 1 to 4, wherein: the distance between the inner side of the web and the centre line of the rim is 50 mm.
7. The in-wheel motor mating hub according to any one of claims 1 to 4, wherein: the wheel rim is characterized in that a wedge-shaped abutting ring is arranged in a gap between the shell and the wheel rim, a reinforcing bolt abutting against the wedge-shaped abutting ring is arranged at the position, corresponding to the wedge-shaped abutting ring, of the rear cover plate, and a reinforcing nut is sleeved on the reinforcing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518134.2U CN216861070U (en) | 2022-03-09 | 2022-03-09 | Hub matched with hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518134.2U CN216861070U (en) | 2022-03-09 | 2022-03-09 | Hub matched with hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216861070U true CN216861070U (en) | 2022-07-01 |
Family
ID=82123303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518134.2U Active CN216861070U (en) | 2022-03-09 | 2022-03-09 | Hub matched with hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216861070U (en) |
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2022
- 2022-03-09 CN CN202220518134.2U patent/CN216861070U/en active Active
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