CN214337708U - Motor for electric bicycle - Google Patents
Motor for electric bicycle Download PDFInfo
- Publication number
- CN214337708U CN214337708U CN202120529895.3U CN202120529895U CN214337708U CN 214337708 U CN214337708 U CN 214337708U CN 202120529895 U CN202120529895 U CN 202120529895U CN 214337708 U CN214337708 U CN 214337708U
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- Prior art keywords
- spindle
- motor
- electric bicycle
- shell
- circuit board
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- 238000004804 winding Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Permanent Magnet Type Synchronous Machine (AREA)
- Brushless Motors (AREA)
Abstract
The utility model relates to a motor for an electric bicycle, which comprises a shell, wherein a rotor is arranged in the inner ring of the shell, the outer side of the rotor is sleeved in the shell, the inner side of the rotor is uniformly and annularly distributed and bonded with magnetic poles, and a spindle is arranged in a ring sleeve formed by the magnetic poles; the spindle is sleeved outside the rotating shaft, and the spindle is provided with a slot and a spindle groove for winding; the spindle is inserted with a Hall switch through the slot, and the Hall switch is electrically connected with the circuit board; a side groove for installing wiring is arranged at one side of the rotating shaft, which is provided with the connecting end, and is close to the spindle. The utility model is used for the motor of the electric bicycle, the slot is arranged on the spindle to plug the Hall switch, so as to improve the stability of the connection of the circuit board; the side groove is provided with the wiring to replace the original connection end outgoing line, so that the wiring is not easy to break; the motor connecting end is installed on the electric bicycle without wiring installation, and the motor is convenient to install. And the spindle groove and the shell with certain sizes are adopted, so that the whole assembly structure is safe and stable.
Description
Technical Field
The utility model belongs to the technical field of the motor and specifically relates to a motor for electric bicycle.
Background
The wiring of the existing motor of the electric bicycle is usually directly led out from a motor rotating shaft, on one hand, the wiring needs to be firstly installed and then the motor is fixed, and the installation is inconvenient, on the other hand, the wiring is easy to break, so that the service life of the motor is short. Meanwhile, the windings inside the motor are more, the connection of the circuit board has the condition of low stability, and the use errors are easily caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the defects in the prior art, the motor for the electric bicycle is provided.
The utility model provides a technical scheme that its technical problem adopted is: a motor for an electric bicycle comprises a shell, wherein a rotor is arranged in the inner ring of the shell, the outer side of the rotor is sleeved in the shell, magnetic poles are uniformly distributed and bonded in a ring mode on the inner side of the rotor, and a spindle is arranged in a ring sleeve formed by the magnetic poles; a rotating shaft with two ends penetrating through the shell is arranged at the center of the spindle, the spindle is sleeved outside the rotating shaft, and a slot and a spindle groove for winding are formed in the spindle; the spindle is inserted with a Hall switch through the slot, and the Hall switch is electrically connected with the circuit board. The adoption sets up slot grafting hall switch on the spindle, improves the stability of circuit board connection.
And a side groove for installing a wiring is arranged at one side of the rotating shaft, which is provided with the connecting end, and is close to the spindle. The side groove is provided with the wiring to replace the original connection end outgoing line, so that the wiring is not easy to break; meanwhile, the motor connecting end is installed on the electric bicycle without wiring installation, and the motor is convenient to install.
The circuit board adopts a fan-ring structure adaptive to the spindle, and the corresponding central angle alpha of the circuit board is 60 degrees.
The slots are arranged on the side edge of the spindle and are matched with the Hall switches, the slots are arranged in an upper group and a lower group on the side edge of the spindle, and the circuit board is perpendicular to the side edge of the spindle after being installed. The spindle side is located to the slot, and simple to operate on the one hand, on the other hand reduces buckling that the circuit board is connected, further improves the stability that the circuit board is connected.
The number of the spindle grooves is 48-54, and the number of the magnetic pole pairs is 24-26. And a certain number of spindle grooves and magnetic poles are adopted to further enhance the inductance effect.
The outer diameter of the spindle groove is 206.5-207.5 mm; the inner diameter of the shell, namely the inner diameter of the motor assembly is 205 mm and 213 mm. And the spindle groove and the shell with certain sizes are adopted, so that the whole assembly structure is safe and stable.
The utility model has the advantages that: the utility model discloses in electric bicycle's motor, adopt to set up slot grafting hall switch on the spindle, improve the stability that the circuit board is connected. The spindle side is located to the slot, and simple to operate on the one hand, on the other hand reduces buckling that the circuit board is connected, further improves the stability that the circuit board is connected. The side groove is provided with the wiring to replace the original connection end outgoing line, so that the wiring is not easy to break; meanwhile, the motor connecting end is installed on the electric bicycle without wiring installation, and the motor is convenient to install. And a certain number of spindle grooves and magnetic poles are adopted to further enhance the inductance effect. And the spindle groove and the shell with certain sizes are adopted, so that the whole assembly structure is safe and stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the spindle of the present invention;
fig. 2 is a schematic structural diagram of the circuit board of the present invention;
fig. 3 is a schematic view of the mounting structure of the circuit board of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention;
fig. 5 is a side view of the present invention.
Reference numbers in the figures: 1. the device comprises a rotor, 2, magnetic poles, 3, spindles, 4, a circuit board, 5, a Hall switch, 6, a shell, 7, a rotating shaft, 8, a wiring, 3-1, spindle grooves, 3-2, slots, 7-1 and connecting ends.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1-5 show a motor for an electric bicycle, which comprises a housing 6, wherein a rotor 1 is arranged in the housing 6, the outer side of the rotor 1 is sleeved in the housing 6, the inner side of the rotor is uniformly and annularly distributed and bonded with magnetic poles 2, and a spindle 3 is arranged in a ring sleeve formed by the magnetic poles 2; a rotating shaft 7 with two ends penetrating through the shell 6 is arranged at the center of the spindle 3, the spindle 3 is sleeved outside the rotating shaft 7, and a slot 3-2 and a spindle slot 3-1 for winding are arranged on the spindle 3; the spindle 3 is inserted with a Hall switch 5 through the slot 3-2, and the Hall switch 5 is electrically connected with the circuit board 4; a side groove for installing a wiring 8 is arranged at one side of the rotating shaft 7, which is provided with a connecting end 7-1, and is close to the spindle 3.
The circuit board 4 adopts a fan-ring structure adapted to the spindle 3, and the corresponding central angle alpha is 60 degrees.
The slots 3-2 are arranged on the side edge of the spindle 3 and are matched with the Hall switch 5, the slots 3-2 are provided with an upper group and a lower group on the side edge of the spindle 3, and the circuit board 4 is perpendicular to the side edge of the spindle 3 after being installed.
The number of the spindle grooves 3-1 is 48, and the number of pairs of the magnetic poles 2 is 24.
The outer diameter of the spindle groove 3-1 is 206.5-207.5 mm.
The inner diameter of the housing 6 is 205 mm and 213 mm.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An electric machine for electric bicycles, comprising a casing (6), characterized in that: the rotor (1) is arranged in the inner ring of the shell (6), the outer side of the rotor (1) is sleeved in the shell (6), the magnetic poles (2) are uniformly and annularly distributed and bonded on the inner side of the rotor (1), and a spindle (3) is arranged in a ring sleeve formed by the magnetic poles (2);
a rotating shaft (7) with two ends penetrating through the shell (6) is arranged at the center of the spindle (3), the spindle (3) is sleeved outside the rotating shaft (7), and a slot (3-2) and a spindle groove (3-1) for winding are formed in the spindle (3);
the spindle (3) is inserted with a Hall switch (5) through the slot (3-2), and the Hall switch (5) is electrically connected with the circuit board (4);
the side of the rotating shaft (7) provided with the connecting end (7-1) and a side groove for installing a wiring (8) are arranged at the position close to the spindle (3).
2. The motor for an electric bicycle according to claim 1, wherein: the circuit board (4) adopts a fan-ring structure adaptive to the spindle (3), and the corresponding central angle alpha is 60 degrees.
3. The motor for an electric bicycle according to claim 1, wherein: the slots (3-2) are arranged on the side edge of the spindle (3) and are matched with the Hall switch (5), the slots (3-2) are arranged in an upper group and a lower group on the side edge of the spindle (3), and the circuit board (4) is installed and then is perpendicular to the side edge of the spindle (3).
4. The motor for an electric bicycle according to claim 1, wherein: the number of the spindle grooves (3-1) is 48-54, and the number of pairs of the magnetic poles (2) is 24-26.
5. The motor for an electric bicycle according to claim 1, wherein: the outer diameter of the spindle groove (3-1) is 206.5-207.5 mm.
6. The motor for an electric bicycle according to claim 1, wherein: the inner diameter of the shell (6) is 205 mm and 213 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529895.3U CN214337708U (en) | 2021-03-12 | 2021-03-12 | Motor for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120529895.3U CN214337708U (en) | 2021-03-12 | 2021-03-12 | Motor for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214337708U true CN214337708U (en) | 2021-10-01 |
Family
ID=77888422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120529895.3U Active CN214337708U (en) | 2021-03-12 | 2021-03-12 | Motor for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214337708U (en) |
-
2021
- 2021-03-12 CN CN202120529895.3U patent/CN214337708U/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: 20211110 Address after: 213000 No. 232-2 baizhangqiao, sanhuangmiao village, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou pengyuanda Electric Drive Technology Co., Ltd Address before: 233230 No. 20, Pangjia group, Dongxing village, xishadian Town, Dingyuan County, Chuzhou City, Anhui Province Patentee before: Pang Xiaoxue |
|
| TR01 | Transfer of patent right |