CN205801412U - The motor of electric bicycle - Google Patents
The motor of electric bicycle Download PDFInfo
- Publication number
- CN205801412U CN205801412U CN201620726008.0U CN201620726008U CN205801412U CN 205801412 U CN205801412 U CN 205801412U CN 201620726008 U CN201620726008 U CN 201620726008U CN 205801412 U CN205801412 U CN 205801412U
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- China
- Prior art keywords
- stator
- main shaft
- end cap
- inner stator
- outer rotor
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Abstract
The motor of electric bicycle, relate to the field of electric bicycle, including main shaft, main shaft arranges wheel hub, the first end cap and the second end cap, in the space formed between wheel hub, the first end cap and the second end cap, outer rotor, inner stator, sun gear, planet carrier, ring gear are set；Between the second end cap and main shaft, electric magnet is set, axially arranged spring on electric magnet, the main shaft between electric magnet and inner stator arranges suction piece, one end of spring contacts with suction piece setting；One end of rotor bearing supports is wholely set connection post outside, jump ring, the first stator, friction plate, the second stator is set gradually on post connecting, friction plate is connected and is connecting on post, first stator arranges draw-in groove, in the draw-in groove of the first stator, pulling buckle is set, jump ring is hooked in one end of pulling buckle, and the other end of pulling buckle is connected with electric magnet, and the second stator is connected by gap post with suction piece.This utility model can brake in the case of dead electricity.
Description
Technical field
This utility model relates to the field of electric bicycle, particularly relates to the electric motor structure of electric bicycle.
Background technology
The motor of existing electric bicycle includes main shaft, arranges wheel hub, the first end cap and the second end cap on main shaft,
First end cap is connected to the side of wheel hub, and the second end cap is connected to the opposite side of wheel hub；At wheel hub, the first end cap and the second end cap
Between formed space in outer rotor, inner stator, sun gear, planet carrier, ring gear are set；Outer rotor bearing is supported on main shaft
On, inner stator passes through bearings in the inner side of outer rotor；Sun gear is arranged on main shaft and is connected with outer rotor, and planet sets up
Putting on the main shaft in the first end cap, connect planetary gear on planet carrier, planetary gear is meshed with sun gear, and planet
Gear is meshed with ring gear, and ring gear compression fit is connected to the inner ring of wheel hub.The electric bicycle of this structure is in dead electricity
Shi Buneng brakes, when particularly using on tricycle for the disabled or wheel-chair, the most dangerous.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that one can be braked in the case of dead electricity
The motor of electric bicycle.
The purpose of this utility model is achieved in that the motor of electric bicycle, including main shaft, arranges on main shaft
Wheel hub, the first end cap and the second end cap, the first end cap is connected to the side of wheel hub, and the second end cap is connected to the opposite side of wheel hub；
In the space formed between wheel hub, the first end cap and the second end cap, outer rotor, inner stator, sun gear, planet carrier, internal tooth are set
Circle；Described outer rotor includes outer rotor body and the outer rotor bearing support being wholely set, and outer rotor bearing support passes through rotor
Bearings is on main shaft；Described inner stator includes inner stator body and inner stator support, and inner stator body is propped up by inner stator
Frame is connected on main shaft, and inner stator support is arranged on the side of outer rotor bearing support, and inner stator body is arranged on outer rotor originally
The inner side of body；Described sun gear is arranged on main shaft and is connected away from the side of inner stator with outer rotor, and planet carrier is arranged on
On main shaft in one end cap, on planet carrier connect planetary gear, planetary gear is meshed with sun gear, and planetary gear and
Ring gear is meshed, and ring gear compression fit is connected to the inner ring of wheel hub；Between described second end cap and main shaft, electromagnetism is set
Ferrum, electric magnet is arranged on the side of inner stator outer rotor dorsad；Axially arranged spring mounting hole, spring mounting hole on electric magnet
Being opening towards one end of inner stator, the one end away from inner stator is cecum, arranges spring, at electric magnet in spring mounting hole
And arranging suction piece on the main shaft between inner stator, one end of spring contacts with suction piece setting；At described outer rotor bearing support
Be wholely set connection post towards one end of inner stator support, connect set gradually on post jump ring, the first stator, friction plate,
Second stator, friction plate is connected on described connection post, and the first stator and the second stator are all spaced and are nested with even
Connecing on post, arrange draw-in groove on the first stator, arrange pulling buckle in the draw-in groove of the first stator, jump ring is hooked in one end of pulling buckle,
The other end of pulling buckle is connected with described electric magnet, and the second stator is connected by gap post with described suction piece；Described friction plate with
Between first stator, between friction plate and the second stator, it is respectively provided with gap, when electric magnet dead electricity, the first stator and
Friction plate is clamped by two stators.
Principle of the present utility model: when electric magnet dead electricity, spring outer rotor via direction is released, thus band attracting sheet, company
Connect post, the second stator moves axially to friction plate direction, and pulling buckle drives under the effect of the first stator, the first stator
With the mutual clamping force of the second stator, friction plate is braked, the reed time controll operating of outer rotor for motor, implements
Dead electricity braking function.This utility model outer rotor for motor dead electricity electromagnetic braking stable work in work, service life is long, and body
Long-pending little, it is adaptable on tricycle for the disabled or wheel-chair, safe and reliable.
In order to prevent transfer, described connection post is hexagon, and the endoporus of friction plate is hexagon, thus further ensures
Braking effect.
Preferably, also setting up spanner on described main shaft, spanner is arranged on the outside of electric magnet, arranges regulation on spanner
Hole, the thickness of the spanner at adjustment hole is the most thickening to the other end by adjustment hole one end；Described spanner axially places screw rod,
One end of screw rod is connected with described suction piece, and screw rod is through other end attaching nut after the adjustment hole of electric magnet and spanner.Work as system
When needing after dynamic to recover to carry out or operate, rotating spanner, due to different-thickness at spanner adjustment apertures so that screw rod is moved out
Dynamic, thus band attracting sheet moves to electric magnet direction, spring reset, brake release.
Main shaft of the present utility model to use non-magnetic material to guarantee braking ability, and described main shaft uses stainless steel
Become.
For the ease of supporting and rotating, the second bearing is set between described second end cap and electric magnet.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is U-U direction view in Fig. 1.
Fig. 3 is X-X direction view in Fig. 1.
Fig. 4 is V-V direction view in Fig. 1.
Fig. 5 is the structural representation of outer rotor.
Fig. 6 is the structural representation of friction plate.
In figure, 1 inner stator, 1-1 inner stator body, 1-2 inner stator support, 2 outer rotors, 2-1 outer rotor body, outside 2-2
Rotor bearing supports, 3 electric magnet, 4 pulling buckles, 5 suction pieces, 6 second stators, 7 gap posts, 8 friction plates, 9 first stators, 10 cards
Spring, 11 rotor bearings, 12 clutch shaft bearings, 13 second bearings, 14 sun gears, 15 main shafts, 16 springs, 17 wheel hubs, 18 ring gears, 20
Planetary gear, 21 planet carriers, 22 first end caps, 23 spring mounting holes, 24 second end caps, 25 tires, 26 spanners, 27 screw rods, 28
Nut, 29 connect post, 30 draw-in grooves, 31 screws, 32 adjustment holes.
Detailed description of the invention
As Figure 1-4, the motor of electric bicycle, the main shaft 15 made including rustless steel, main shaft 15 is arranged
Wheel hub the 17, first end cap 22 and the second end cap 24, mounting tyre 25 on wheel hub 17, the first end cap 22 is connected to the one of wheel hub 17
Side, arranges clutch shaft bearing 12 between the first end cap 22 and main shaft 15.Second end cap 24 is connected to the opposite side of wheel hub 17.At wheel hub
17, in the space formed between the first end cap 22 and the second end cap 24, outer rotor 2, inner stator 1, sun gear 14, planet carrier are set
21, ring gear 18.
Outer rotor 2 includes outer rotor body 2-1 and outer rotor bearing support 2-2, the outer rotor bearing support being wholely set
2-2 is supported on main shaft 15 by rotor bearing 11.Inner stator 1 includes inner stator body 1-1 and inner stator support 1-2, decided at the higher level but not officially announced
Sub-body 1-1 is connected on main shaft 15 by inner stator support 1-2, and inner stator support 1-2 is arranged on outer rotor bearing support 2-2
Side, inner stator body 1-1 is arranged on the inner side of outer rotor body 2-1.
Sun gear 14 is arranged on main shaft 15 and is connected away from the side of inner stator 1 with outer rotor 2, and planet carrier 21 is arranged on
On main shaft 15 in first end cap 22, connecting planetary gear 20 on planet carrier 21, planetary gear 20 is meshed with sun gear 14,
And planetary gear 20 is meshed with ring gear 18, ring gear 18 compression fit is connected to the inner ring of wheel hub 17.
Arranging electric magnet 3 between the second end cap 24 and main shaft 15, electric magnet 3 is arranged on inner stator 1 outer rotor 2 dorsad
Side, arranges the second bearing 13 between electric magnet 3 and the second end cap 24.Axially arranged four spring mounting holes on electric magnet 3
23, spring mounting hole 23 is opening towards one end of inner stator 1, and the one end away from inner stator 1 is cecum, and each spring is installed
Spring 16 it is respectively provided with in hole 23.Suction piece 5, one end of four springs 23 are set on the main shaft 15 between electric magnet 3 and inner stator 1
All contact setting with suction piece 5.
Rotor bearing supports 2-2 is wholely set hexagonal connection post 29(such as towards one end of inner stator support 1-2 outside
Shown in Fig. 5), set gradually jump ring the 10, first stator 9, friction plate the 8, second stator 6 connecting on post 29, friction plate 8
Endoporus is hexagon (as shown in Figure 6), and friction plate 8 is connected and is connecting on post 29, the first stator 9 and the second stator 6
All intervals are nested with and are connecting on post 29, arrange draw-in groove 30 on the first stator 9, arrange and draw in the draw-in groove 30 of the first stator 9
Detaining 4, jump ring 10 is hooked in one end of pulling buckle 4, and pulling buckle 4 is through inner stator 1, and the other end of pulling buckle 4 is with electric magnet 3 by screw 31 even
Connecing, the second stator 6 is connected through interior spindle support 1-2 by gap post 7 with suction piece 5.Friction plate 8 and the first stator 9 it
Between, be respectively provided with gap between friction plate 8 and the second stator 6, when electric magnet lose 3 electricity time, the first stator 9 and the second stator
Friction plate 8 is clamped by 6.
Also setting up spanner 26 on main shaft 15, spanner 26 is arranged on the outside of electric magnet 3, arranges adjustment hole on spanner 26
32, the thickness of the spanner 26 at adjustment hole 32 is the most thickening to the other end by adjustment hole 32 one end.Spanner 26 axially places
Screw rod 27, one end of screw rod 27 is connected with suction piece 5, and screw rod 27 is through the other end after the adjustment hole 32 of electric magnet 3 and spanner 26
Attaching nut 28.
Claims (5)
1. the motor of electric bicycle, including main shaft, arranges wheel hub, the first end cap and the second end cap, the first end on main shaft
Lid is connected to the side of wheel hub, and the second end cap is connected to the opposite side of wheel hub；Shape between wheel hub, the first end cap and the second end cap
In the space become, outer rotor, inner stator, sun gear, planet carrier, ring gear are set；Described outer rotor includes outer turn be wholely set
Sub-body and outer rotor bearing support, outer rotor bearing support is supported on main shaft by rotor bearing；Described inner stator includes
Inner stator body and inner stator support, inner stator body is connected on main shaft by inner stator support, and inner stator support is arranged on
The side of outer rotor bearing support, inner stator body is arranged on the inner side of outer rotor body；Described sun gear is arranged on main shaft
And be connected away from the side of inner stator with outer rotor, planet carrier is arranged on the main shaft in the first end cap, connects on planet carrier
Planetary gear, planetary gear is meshed with sun gear, and planetary gear is meshed with ring gear, and ring gear compression fit connects
Inner ring at wheel hub；It is characterized in that: arranging electric magnet between described second end cap and main shaft, electric magnet is arranged on inner stator
The side of outer rotor dorsad；Axially arranged spring mounting hole on electric magnet, spring mounting hole towards one end of inner stator for opening
Mouth end, the one end away from inner stator is cecum, arranges spring in spring mounting hole, on the main shaft between electric magnet and inner stator
Arranging suction piece, one end of spring contacts with suction piece setting；At described outer rotor bearing support towards one end of inner stator support
Being wholely set connection post, set gradually jump ring, the first stator, friction plate, the second stator connecting on post, friction plate coordinates
Being connected on described connection post, the first stator and the second stator are all spaced to be nested with and are connecting on post, on the first stator
Arranging draw-in groove, arrange pulling buckle in the draw-in groove of the first stator, jump ring is hooked in one end of pulling buckle, the other end of pulling buckle and described electromagnetism
Ferrum connects, and the second stator is connected by gap post with described suction piece；Between described friction plate and the first stator, friction plate with
Being respectively provided with gap between second stator, when electric magnet dead electricity, friction plate is clamped by the first stator and the second stator.
The motor of electric bicycle the most according to claim 1, it is characterised in that: described connection post is hexagon, rubs
The endoporus of pad is hexagon.
The motor of electric bicycle the most according to claim 1 and 2, it is characterised in that: also set up on described main shaft
Spanner, spanner is arranged on the outside of electric magnet, arranges adjustment hole on spanner, and the thickness of the spanner at adjustment hole is by adjustment hole one
Hold the most thickening to the other end；Axially placing screw rod on described spanner, one end of screw rod is connected with described suction piece, and screw rod is worn
Cross other end attaching nut after the adjustment hole of electric magnet and spanner.
The motor of electric bicycle the most according to claim 3, it is characterised in that: described main shaft uses stainless steel
Become.
The motor of electric bicycle the most according to claim 4, it is characterised in that: at described second end cap and electric magnet
Between the second bearing is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726008.0U CN205801412U (en) | 2016-07-12 | 2016-07-12 | The motor of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620726008.0U CN205801412U (en) | 2016-07-12 | 2016-07-12 | The motor of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205801412U true CN205801412U (en) | 2016-12-14 |
Family
ID=57510577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620726008.0U Active CN205801412U (en) | 2016-07-12 | 2016-07-12 | The motor of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205801412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370291A (en) * | 2017-08-23 | 2017-11-21 | 合肥龙图腾信息技术有限公司 | A kind of magnetic control wheel based on electromagnetic propulsion system |
| CN111224527A (en) * | 2019-08-16 | 2020-06-02 | 眭华兴 | Axial magnetic field hub motor |
-
2016
- 2016-07-12 CN CN201620726008.0U patent/CN205801412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370291A (en) * | 2017-08-23 | 2017-11-21 | 合肥龙图腾信息技术有限公司 | A kind of magnetic control wheel based on electromagnetic propulsion system |
| CN111224527A (en) * | 2019-08-16 | 2020-06-02 | 眭华兴 | Axial magnetic field hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |