CN215221927U - Internal speed-changing hub motor structure - Google Patents
Internal speed-changing hub motor structure Download PDFInfo
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- CN215221927U CN215221927U CN202120723079.6U CN202120723079U CN215221927U CN 215221927 U CN215221927 U CN 215221927U CN 202120723079 U CN202120723079 U CN 202120723079U CN 215221927 U CN215221927 U CN 215221927U
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Abstract
The utility model discloses an interior variable speed in-wheel motor structure, including wheel hub assembly, interior derailleur assembly, end cover and stator assembly, the coaxial setting of stator assembly is in the inner chamber of wheel hub assembly, the coaxial setting of interior derailleur assembly is in the inner chamber of stator assembly, the hub of interior derailleur assembly passes through the detachable connection of end cover on wheel hub assembly, the main shaft of interior derailleur assembly is connected on the stator assembly, just stretch out the both sides to wheel hub assembly respectively at the both ends of main shaft, with interior derailleur in wheel hub motor aggregate erection under the figurative condition of not changing wheel hub motor, reduced the cost greatly and saved the space, and motor structure is simple easily assembled the maintenance.
Description
Technical Field
The utility model belongs to the in-wheel motor field, in particular to interior variable speed in-wheel motor structure.
Background
The existing speed changer and the motor in the market are separately installed at present, and the speed changer assembly is installed on a rear wheel and is installed with other built-in motors or a front drive motor in a combined mode. The whole vehicle has more parts, complex structure, large occupied space, difficult assembly and high price. The transmission assembly is severely corroded and lost by the environment.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an interior variable speed in-wheel motor structure has practiced thrift the cost, and simple structure is favorable to batch production.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides an interior variable speed in-wheel motor structure, includes wheel hub assembly, interior derailleur assembly, end cover and stator assembly, the stator assembly is coaxial to be set up in the inner chamber of wheel hub assembly, interior derailleur assembly is coaxial to be set up in the inner chamber of stator assembly, the flower-drum of interior derailleur assembly passes through the detachable connection of end cover on the wheel hub assembly, the main shaft of interior derailleur assembly is connected on the stator assembly, just the both ends of main shaft stretch out respectively to the both sides of wheel hub assembly.
Furthermore, the stator assembly comprises a stator inner support frame, the main shaft comprises a self-limiting structure, and the stator inner support frame is limited by the self-limiting structure and the main shaft in a circumferential rotation stopping manner.
Further, the stator inner support frame is of an annular structure, one end of the stator inner support frame comprises a connecting ring extending towards the inner ring, the self-limiting structure is a flat platform structure or a spline structure arranged on the main shaft, and the shape of the inner ring of the connecting ring is matched with the shape of the main shaft.
Furthermore, the main shaft comprises an axial limiting locking mechanism, and the main shaft is connected to the stator inner support frame through the axial limiting locking mechanism.
Furthermore, the limiting locking mechanism comprises an axial fixing piece and a locking piece which are respectively arranged on two sides of the connecting ring along the axial direction of the main shaft, the axial fixing piece is arranged on the main shaft, and the axial fixing piece is axially fixed on the connecting ring through the locking piece.
Furthermore, the outer contour of the shaft upper fixing piece is of a flat-table-shaped or spline-shaped structure, and the stator inner support frame is fixedly connected with the shaft upper fixing piece.
Furthermore, the shaft upper fixing piece is a locking nut of a T-shaped sleeve ring structure, the shaft upper fixing piece is sleeved on the outer side of the main shaft, the main shaft comprises a thread section, and the locking accessory is a locking nut.
Further, the axial both ends of stator inner strut are provided with the bearing respectively, stator inner strut corresponds the inner ring of connecting in the bearing, wheel hub assembly, end cover correspond the outer loop of connecting in the bearing respectively.
Furthermore, the end cover is of a ring structure, the end cover is relatively fixedly sleeved on the outer side of the inner speed changer assembly, and the end cover is detachably connected to the hub assembly through screws.
Has the advantages that: the utility model discloses with interior derailleur in-wheel motor aggregate erection under the figurative condition of not changing in-wheel motor, reduced the cost greatly and saved the space, and motor structure is simple easily assembles the maintenance.
Drawings
FIG. 1 is a schematic half-section view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of the assembly state of the overall structure of the present invention;
fig. 4 is a perspective view of the overall structure of the present invention;
fig. 5 is a schematic structural view of the shaft fastener of the present invention;
fig. 6 is a schematic view of an embodiment of the stator inner bracket and the main shaft assembly of the present invention;
fig. 7 is a schematic view of another embodiment of the assembly of the inner stator frame and the main shaft according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, an internal speed-changing hub motor structure includes a hub assembly 1, an internal transmission assembly 2, an end cover 3 and a stator assembly 4, where the hub assembly 1 includes an installation cavity, the inner wall of the hub assembly 1 includes a rotor assembly, the stator assembly 4 is disposed in the installation cavity of the hub assembly 1 corresponding to the rotor assembly, the internal transmission assembly 2 is disposed in the cavity of the stator assembly 4 coaxially, a hub 5 of the internal transmission assembly 2 is detachably connected to the hub assembly 1 through the end cover 3, the hub assembly 1 is followed by the hub assembly 5, a main shaft 6 of the internal transmission assembly 2 is connected to the stator assembly 4, and two ends of the main shaft 6 respectively extend to two sides of the hub assembly for connecting to a vehicle frame, the stator assembly 4 includes a stator inner frame 7, the main shaft 6 includes a self-limiting structure 20, the stator inner support frame 7 is limited by a self-limiting structure and the main shaft 6 in a circumferential rotation stopping way. The utility model discloses with interior derailleur in-wheel motor aggregate erection under the figurative condition of not changing in-wheel motor, reduced the cost greatly and saved the space, and motor structure is simple easily assembles the maintenance.
The main shaft 6 is provided with a limit locking mechanism, and the main shaft 6 is connected to the stator inner support frame 7 through the limit locking mechanism. One end of the stator inner support frame 7 comprises a connecting ring 8 extending towards the inner ring, the limiting locking mechanism comprises an axial fixing piece 9 and a locking piece 10 which are respectively arranged on two sides of the connecting ring 8 along the axial direction of the main shaft, the axial fixing piece 9 is arranged on the main shaft, and the axial fixing piece is axially fixed on the connecting ring through the locking piece 10. The shaft fixing piece 9 is a locking nut of a T-shaped sleeve ring structure, the shaft fixing piece 9 is sleeved on the outer side of the main shaft 6, one end, corresponding to the connecting ring, of the main shaft 6 comprises a threaded section, and the locking accessory 10 is a locking nut. The stator inner support frame is held in a relatively fixed connection by shaft fasteners and locking attachments 10.
The axial two ends of the stator inner support frame 7 are respectively provided with a bearing 11, the stator inner support frame 7 is correspondingly connected with an inner ring of the bearing 11, and the hub assembly 1 and the end cover 3 are respectively and correspondingly connected with an outer ring of the bearing 11.
The stator assembly is fixed on the main shaft through a rotation stopping nut on the inner speed changer shaft, is fastened through a locking nut, and is connected with the inner speed change hub through a bearing of the hub and the end cover of the motor, so that the hub and the end cover of the motor drive the hub of the inner speed changer when the motor works. The inner speed changing outer part is not connected with the stator and has no fixed part.
The stator inner support frame 7 is of an annular structure, one end of the stator inner support frame 7 comprises a connecting ring 8 extending towards an inner ring, the self-limiting structure 20 is of a flat platform structure or a spline structure arranged on the main shaft 6, and the shape of the inner ring of the connecting ring 8 is matched with the shape of the main shaft 6. Fig. 6 is a schematic view of an embodiment of the stator inner bracket and the main shaft assembly of the present invention, at this time, the outer wall of the main shaft 6 or the shaft upper fixing member 9 is a flat platform structure; fig. 7 is a schematic view of another embodiment of the stator inner bracket and the main shaft assembly according to the present invention, in which the outer wall of the main shaft 6 or the shaft fastening member 9 is a spline structure.
As shown in fig. 5 to 7, the outer contour of the shaft fixing member 9 is a flat-table-shaped or spline-shaped structure, and the stator inner bracket 7 is fixedly connected with the shaft fixing member 9. The outer wall of the section of the main shaft 6 or the section of the shaft upper fixing piece 9 is in a flat platform shape or a spline shape, and the shape of the inner ring of the connecting ring 8 is matched with the shape of the main shaft 6. The connecting ring 8 and the main shaft 6 are kept relatively fixed in the circumferential direction through a flat platform-shaped or spline-shaped structure, and circumferential movement is prevented.
The stator inner support frame of the stator of the motor and the main shaft of the inner speed changer pass through: the rotation stopping fixation of the stator and the main shaft is realized in the modes of a key pin, a spline, a flat position and the like, and the purpose of fixing the axial direction of the stator and supporting the starting of the whole vehicle is also realized.
As shown in fig. 1, a threading hole 13 is formed in one side of the stator inner bracket 7 corresponding to the connection ring 8, and is used for leading a wire with a stator assembly.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides an interior variable speed in-wheel motor structure which characterized in that: including wheel hub assembly (1), interior derailleur assembly (2), end cover (3) and stator assembly (4), stator assembly (4) coaxial setting is in the inner chamber of wheel hub assembly (1), interior derailleur assembly (2) coaxial setting is in the inner chamber of stator assembly (4), the flower-drum (5) of interior derailleur assembly (2) pass through end cover (3) detachable connection on the wheel hub assembly, main shaft (6) of interior derailleur assembly (2) are connected on the stator assembly, just the both ends of main shaft (6) are stretched out respectively to the both sides of wheel hub assembly.
2. An internally variable speed in-wheel motor structure as claimed in claim 1, wherein: the stator assembly (4) comprises a stator inner support frame (7), the main shaft (6) comprises a self-limiting structure (20), and the stator inner support frame (7) is limited by the self-limiting structure and the main shaft (6) in a circumferential rotation stopping manner.
3. An internally variable speed in-wheel motor structure as claimed in claim 2, wherein: the stator inner support frame (7) is of an annular structure, one end of the stator inner support frame (7) comprises a connecting ring (8) extending towards an inner ring, the self-limiting structure (20) is of a flat platform structure or a spline structure arranged on the main shaft (6), and the shape of the inner ring of the connecting ring (8) is matched with the shape of the main shaft (6).
4. An internally variable speed in-wheel motor structure as claimed in claim 3, wherein: the main shaft (6) is provided with an axial limiting locking mechanism, and the main shaft (6) is connected to the stator inner support frame (7) through the axial limiting locking mechanism.
5. An internally variable speed in-wheel motor structure as claimed in claim 4, wherein: the limiting locking mechanism comprises an axial fixing piece (9) and a locking piece (10) which are respectively arranged on two sides of the connecting ring (8) along the axial direction of the main shaft, the axial fixing piece (9) is arranged on the main shaft, and the axial fixing piece is axially fixed on the connecting ring through the locking piece (10).
6. An internally variable speed in-wheel motor structure as claimed in claim 4, wherein: the outer contour of the shaft upper fixing piece (9) is of a flat platform-shaped or spline-shaped structure, and the stator inner support frame (7) is fixedly connected with the shaft upper fixing piece (9).
7. An internally variable speed in-wheel motor structure as claimed in claim 5, wherein: the shaft upper fixing piece (9) is a locking nut of a T-shaped sleeve ring structure, the shaft upper fixing piece (9) is sleeved on the outer side of the main shaft (6), the main shaft (6) comprises a thread section, and the locking accessory (10) is the locking nut.
8. An internally variable speed in-wheel motor structure as claimed in claim 2, wherein: the axial two ends of the stator inner support frame (7) are respectively provided with a bearing (11), the stator inner support frame (7) is correspondingly connected to an inner ring of the bearing (11), and the hub assembly (1) and the end cover (3) are respectively and correspondingly connected to an outer ring of the bearing (11).
9. An internally variable speed in-wheel motor structure as claimed in claim 1, wherein: the end cover (3) is of a ring structure, the end cover (3) is relatively fixedly sleeved on the outer side of the inner speed changer assembly (2), and the end cover (3) is detachably connected to the hub assembly (1) through a screw (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723079.6U CN215221927U (en) | 2021-04-09 | 2021-04-09 | Internal speed-changing hub motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723079.6U CN215221927U (en) | 2021-04-09 | 2021-04-09 | Internal speed-changing hub motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215221927U true CN215221927U (en) | 2021-12-17 |
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ID=79446118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120723079.6U Active CN215221927U (en) | 2021-04-09 | 2021-04-09 | Internal speed-changing hub motor structure |
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| Country | Link |
|---|---|
| CN (1) | CN215221927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI845019B (en) * | 2022-11-14 | 2024-06-11 | 李書賢 | Convenient for integrating electromagnetic wheel hub motor structure with internal transmission |
-
2021
- 2021-04-09 CN CN202120723079.6U patent/CN215221927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI845019B (en) * | 2022-11-14 | 2024-06-11 | 李書賢 | Convenient for integrating electromagnetic wheel hub motor structure with internal transmission |
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