CN215772821U - Hub motor with built-in disk controller - Google Patents
Hub motor with built-in disk controller Download PDFInfo
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- CN215772821U CN215772821U CN202121082150.3U CN202121082150U CN215772821U CN 215772821 U CN215772821 U CN 215772821U CN 202121082150 U CN202121082150 U CN 202121082150U CN 215772821 U CN215772821 U CN 215772821U
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- hub
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- middle shaft
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Abstract
The utility model provides a hub motor with a built-in disc controller, which comprises a hub and a middle shaft penetrating through the hub, wherein the middle shaft penetrates through the center of the hub, an inner stator is fixed on the middle shaft, an electromagnetic coil is wound on the inner stator, a disc controller is coaxially fixed on the middle shaft, the controller is connected with a circuit on the inner stator, a wire inlet hole is processed on the left side of the middle shaft, the outlet end of the wire inlet hole is communicated with the inner side of the controller, and the controller is connected with an external circuit through the wire inlet hole of the middle shaft. The whole line inside the hub with the structure becomes simpler, so that the failure rate is lower when the hub motor is installed and used. Simultaneously because the controller structure is located inside the wheel hub, not only has waterproof ability, also can effectively isolated outside air for the whole life of circuit is longer.
Description
Technical Field
The utility model belongs to the technical field of hub motors, and particularly relates to a hub motor with a built-in disk controller.
Background
The hub motor typically integrates a power system, a transmission system, and a brake system into the hub of the wheel, so that the wheel itself has a power function. In electric bicycle, often use in-wheel motor to regard as driving motor, in-wheel motor is when using, need cooperate the controller to carry out control regulation, traditional in-wheel motor's control controller all assembles outside wheel hub usually, in being connected to the inside control circuit of in-wheel motor through the circuit, it is longer to connect the line between controller and the circuit component like this, the circuit arranges in wheel hub more for the inside circuit of wheel hub is comparatively chaotic, appears the circuit trouble when in-wheel motor installation use like this easily. When the controller was located the wheel hub outside simultaneously, often expose in the air, long-time use is ageing easily, and water-proof effects also is difficult to guarantee moreover, influences wheel hub motor's safety in utilization.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the hub motor with the built-in disk controller, which has a simple structure, can assemble the controller structure in the hub and is directly connected with the circuit in the hub.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the hub motor with the built-in disk controller comprises a hub, wherein a driving module and a planetary speed reduction module are assembled in the hub, the driving module comprises an inner stator and an outer rotor, a middle shaft penetrating through the hub is assembled on the hub along the axis, the middle shaft penetrates through the center of the hub, the inner stator is fixed on the middle shaft, an electromagnetic coil is wound on the inner stator, a disk-shaped controller is coaxially fixed on the middle shaft, the controller is connected with a circuit on the inner stator, a wire inlet hole is formed in the left side of the middle shaft, the outlet end of the wire inlet hole is communicated with the inner side of the controller, and the controller is connected with an external circuit through the wire inlet hole of the middle shaft.
Preferably, the controller comprises a housing, the housing is annular, the left side of the housing is open, an annular circuit board is assembled in the housing, and an annular cover plate for tightly sealing the circuit board cover is assembled on the right side of the housing.
Preferably, the shell and the middle shaft are in limited connection through keys.
Preferably, the circuit board is assembled into the housing and then injected with a sealant.
Preferably, the sealant is transparent glue.
The utility model has the beneficial effects that: the hub motor with the built-in disk controller is mainly used in a power-assisted bicycle, in the product, the main circuit structure of the controller is assembled in a hub and fixed on the middle shaft together with a stator, and when the product is used, the middle shaft is usually directly and fixedly connected with a bicycle frame, so that the controller part is fixed relative to the used bicycle frame. The controller in the design structure is directly attached to the inner stator of the hub motor in a circular ring structure, so that the controller can be directly connected with the circuit of the inner stator through the circuit, the connecting line between the controller and the circuit element is extremely short, the circuit is simply connected and arranged in the hub directly, the whole circuit inside the hub is simpler, and the fault rate is lower when the hub motor is installed and used. Simultaneously because the controller structure is located inside the wheel hub, not only has waterproof ability, also can effectively isolated outside air for the whole life of circuit is longer.
Drawings
FIG. 1 is a schematic structural diagram of a hub motor with a built-in disk controller.
FIG. 2 is a schematic structural diagram of a controller in an in-wheel motor with a built-in disk controller.
Detailed Description
The utility model is further illustrated by the following examples:
as used in this patent, directional terms, such as positional relationships, are based on the orientation or positional relationships illustrated in FIG. 1 and are used for convenience in describing the present application and for simplicity in description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.
The hub motor with the built-in disk controller in the embodiment shown in fig. 1 and fig. 2 comprises a hub 1, wherein a driving module 2 is assembled on the left side of the hub 1, a planetary speed reducing module in transmission connection is assembled on the right side of the hub 1, and the outer ring of the planetary speed reducing module is fixedly connected with the hub 1, so that the speed reducing transmission of the driving module 2 to the hub 1 is realized. In this embodiment, the driving module 2 includes an inner stator and an outer rotor, a central shaft 3 penetrating through the hub 1 is assembled on the hub 1 along an axis, the central shaft 3 passes through the center of the hub 1, the inner stator is fixed on the central shaft 3, an electromagnetic coil is wound on the inner stator, a disk-shaped controller 4 is coaxially fixed on the central shaft 3, the controller 4 is connected with a circuit on the inner stator, a wire inlet hole 31 is processed on the left side of the central shaft 3, an outlet end of the wire inlet hole 31 is communicated with the inner side of the controller 4, and the controller 4 is connected with an external circuit through the wire inlet hole 31 of the central shaft 3.
The hub motor with the built-in disk controller is mainly used in a power-assisted bicycle, in the product, the main circuit structure of the controller 4 is assembled in the hub 1 and fixed on the middle shaft 3 together with a stator, and when the product is used, the middle shaft 3 is usually directly and fixedly connected with a bicycle frame, so that the controller 4 is partially fixed relative to the used bicycle frame. The controller 4 is directly attached to the inner stator of the hub motor in a circular ring structure, so that the controller 4 can be directly connected with the circuit of the inner stator through the circuit, the connecting line between the controller 4 and the circuit element is extremely short, the circuit is simply connected and arranged in the hub 1, the whole circuit inside the hub 1 is simpler, and the failure rate is lower when the hub 1 motor is installed and used. Simultaneously because controller 4 structure is located wheel hub 1 inside, not only have waterproof ability, also can effectively isolated outside air for the whole life of circuit is longer.
In specific design, as shown in fig. 1 and fig. 2, the controller 4 includes a housing 41, the housing 41 is annular, the left side of the housing 41 is open, that is, an annular groove is designed in the housing 41, an annular circuit board 42 is assembled in the annular groove of the housing 41, the circuit board 42 is fixed in the groove of the housing 41, and an annular cover plate 43 for tightly sealing the circuit board 42 is assembled on the right side of the housing 41. The housing 41 and the cover plate 43 are made of an insulating material, and specifically, may be made of a plastic or rubber material. The design makes the circuit board 42 realize insulation and wrapping integrally, so that insulation and dust prevention can be effectively realized, meanwhile, the structure of the shell 41 is adopted, the integral controller 4 and the central shaft 3 in the hub 1 are more convenient to fix and assemble, and in the embodiment, the shell 41 and the central shaft 3 are in limit connection through the key 5. The shell 41 realizes axial limit with the middle shaft 3 through a middle shaft hole, and realizes rotation limit of the controller 4 and the middle shaft 3 through the key 5. Therefore, by assembling the circuit board 42 with the shell 41 and the cover plate 43, insulation and moisture resistance are guaranteed, and meanwhile, the control 4 is assembled in the hub 1 more stably, so that the whole service life of the equipment is longer.
In the specific design, as shown in fig. 1, the circuit board 42 is assembled into the housing 41 and then injected with a sealant 44. Therefore, the circuit board 42 is completely fastened in the shell, the waterproof and moistureproof effects are stronger, the circuit board 42 is completely prevented from shaking relative to the shell 41, and the overall quality of the hub motor is ensured. In this embodiment, the sealant 44 is transparent, so that people can still see the circuit structure of the circuit board 42 after the sealant is applied, and thus, the controller 4 can be easily repaired when a problem occurs.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A hub motor with a built-in disk controller comprises a hub (1), wherein a driving module (2) and a planetary speed reduction module are assembled in the hub (1), the driving module (2) comprises an inner stator and an outer rotor, a middle shaft (3) penetrating through the hub is assembled on the hub (1) along the axis, the middle shaft (3) penetrates through the center of the hub (1), the inner stator is fixed on the middle shaft, and an electromagnetic coil is wound on the inner stator, and the hub motor is characterized in that: the novel middle shaft is characterized in that a disc-shaped controller (4) is coaxially fixed on the middle shaft (3), the controller (4) is connected with a line which is internally fixed, a wire inlet hole (31) is machined in the left side of the middle shaft (3), the outlet end of the wire inlet hole (31) is communicated with the inner side of the controller (4), and the controller (4) is connected with an external circuit through the wire inlet hole (31) of the middle shaft (3).
2. The hub motor of a built-in disk controller according to claim 1, wherein: the controller (4) comprises a shell (41), the shell (41) is annular, the left side of the shell (41) is open, an annular circuit board (42) is assembled in the shell (41), and an annular cover plate (43) which tightly seals the circuit board (42) is assembled on the right side of the shell (41).
3. The hub motor of a built-in disk controller according to claim 2, wherein: the shell (41) is in limit connection with the middle shaft (3) through a key (5).
4. The hub motor of a built-in disk controller according to claim 2, wherein: and sealant (44) is injected after the circuit board (42) is assembled into the shell (41).
5. The built-in disk controller hub motor of claim 4, wherein: the sealant (44) is transparent adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082150.3U CN215772821U (en) | 2021-05-20 | 2021-05-20 | Hub motor with built-in disk controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082150.3U CN215772821U (en) | 2021-05-20 | 2021-05-20 | Hub motor with built-in disk controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215772821U true CN215772821U (en) | 2022-02-08 |
Family
ID=80097585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121082150.3U Active CN215772821U (en) | 2021-05-20 | 2021-05-20 | Hub motor with built-in disk controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215772821U (en) |
-
2021
- 2021-05-20 CN CN202121082150.3U patent/CN215772821U/en active Active
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