CN207766108U - Motor wheel hub structure - Google Patents
Motor wheel hub structure Download PDFInfo
- Publication number
- CN207766108U CN207766108U CN201820097763.6U CN201820097763U CN207766108U CN 207766108 U CN207766108 U CN 207766108U CN 201820097763 U CN201820097763 U CN 201820097763U CN 207766108 U CN207766108 U CN 207766108U
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- CN
- China
- Prior art keywords
- wheel hub
- wheel
- hub motor
- motor
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of motor wheel hub structures, free wheel base including wheel hub motor, on wheel hub motor main shaft and the flywheel on free wheel base, the endoporus of the free wheel base is equipped with magnet ring, main shaft corresponding with the magnet ring is equipped with Hall, and the Hall is connected with the controller in wheel hub motor；The free wheel base is mounted on by two first bearings on main shaft；The lateral wall of the corresponding main shaft of the Hall is provided with escape groove, and Hall is connected to the connecting line of controller through the escape groove.The utility model magnet ring and Hall are respectively arranged on free wheel base and main shaft, exquisiteness simple in structure, are precisely controlled the startup and closing of motor, and power-assisted is with obvious effects.
Description
Technical field
The utility model is related to the motor wheel hub structures of bicycle art more particularly to a kind of bicycle.
Background technology
With the enhancing of people's environmental consciousness, have energy-efficient electric bicycle increasingly by the blueness of people
It looks at, people are higher and higher to the electric boosted experience requirements of existing bicycle, and the startup and closing of power-assisted are particularly critical, existing
Electric boosted startup and closing control complex structural designs, and sensitivity is inadequate, and power-assisted effect could not obtain good embodiment.
Utility model content
The purpose of this utility model is that overcome the deficiencies of existing technologies, and a kind of motor wheel hub structure is provided.
To achieve the above object, the utility model uses following technical scheme：A kind of motor wheel hub structure, including wheel hub electricity
The endoporus of machine, the free wheel base on wheel hub motor main shaft and the flywheel on free wheel base, the free wheel base is equipped with magnet ring, with
The corresponding wheel hub motor main shaft of the magnet ring is equipped with Hall, and the Hall is connected with the controller in wheel hub motor；Institute
Free wheel base is stated to be mounted on wheel hub motor main shaft by two first bearings；The outside of the corresponding wheel hub motor main shaft of the Hall
Wall is provided with escape groove, and Hall is connected to the connecting line of controller through the escape groove.
Preferably, wheel hub motor main shaft is equipped with stator support, and the controller is mounted on stator support, stator support
Right side be equipped with E type bearing supports；The right end cap of wheel hub motor is set to the outside of E type bearing supports by second bearing, right end cap
Outside is equipped with torsion sensor, is connected by 3rd bearing between the outer wall and the inside of E type bearing supports of torsion sensor inner ring,
The outer ring of torsion sensor is fixed on right end cap.
Preferably, the endoporus of torsion sensor inner ring is connected with free wheel base by ratchet；Torsion sensor inner ring and outer ring
Between be uniformly provided with three or three or more spring beams, the medium position of the spring beam is opened up there are two through-hole and mutually
It is connected to, the spring beam outer surface corresponding to the through-hole is equipped at least two foil gauges, and the foil gauge is electrically connected to torsion plate；
Pass through wireless power and signal transmission between the controller and torsion plate.
Preferably, the wheel hub motor is internal rotor wheel hub motor, and the wheel hub motor main shaft includes left half axle and right half
The left end cap of axis, wheel hub motor is set to by fourth bearing on left half axle；The stator support includes left socle and right support, institute
The left end that right support is set to right axle shaft is stated, the E type bearing supports are set to the right side of right support, the outer ring of left socle and right support
Outer ring be fixedly connected, sun wheel shaft is set between left socle and right support；Setting and rotor, described fixed in hub motor shell
Son is set between left and right holder and is fixed on left socle, and the rotor is fixedly connected with sun wheel shaft, the left socle and too
Positive wheel shaft is connected by 5th bearing, and the sun gear of the sun wheel shaft passes through planetary gear reducing mechanism and hub motor shell
Connection, the spindle nose of sun wheel shaft are connected with right support, and the controller is mounted on the outer ring of left socle.
Preferably, right axle shaft is equipped with interior blind hole, and line outlet groove, the control are provided between the interior blind hole and right axle shaft side wall
The connecting line of device is stretched out through line outlet groove and interior blind hole.
Preferably, further include wheel rim, the wheel rim seperated can be connected with hub motor shell, hub motor shell right side
For lug boss, controller is placed in the inner cavity of lug boss, and wheel rim is installed in the side of lug boss.
Preferably, right axle shaft and right support are integrally formed.
Preferably, the left side of the right support is equipped with a set of cups, sets 6th bearing in a set of cups, the spindle nose of sun wheel shaft is set
In in 6th bearing.
Preferably, the wheel hub motor is outer rotor hub motor, and the right end cap of the free wheel base and wheel hub motor passes through
Ratchet is connected, and hub motor shell is mounted on by bearing on main shaft or the stator support being fixedly connected with main shaft.
The advantageous effect of the utility model compared with prior art is：
1) the utility model magnet ring and Hall are respectively arranged on free wheel base and main shaft, and exquisiteness simple in structure is precisely controlled
The startup and closing of motor, power-assisted are with obvious effects.
2) the outlet structure deft design of control circuit, under the premise of not influencing final assembly stability, to control line
Road forms good protection.
3) stability of the utility model complete machine fit structure is high, small power consumption.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the preferred embodiment in the utility model；
Fig. 2 is the section view configuration schematic diagram of the preferred embodiment in the utility model；
Fig. 3 is the front view of the torsion sensor of the preferred embodiment in the utility model.
Specific implementation mode
In order to more fully understand the technology contents of the utility model, with reference to specific embodiment to the skill of the utility model
Art scheme is further described and illustrates.
As shown in Figure 1 to Figure 3, a kind of motor wheel hub structure, including wheel hub motor 1, on wheel hub motor main shaft 2 fly
Wheel seat 3 and the flywheel (figure omits) on free wheel base 3, the endoporus of the free wheel base 3 are equipped with magnet ring 4, main shaft corresponding with magnet ring 4
It is equipped with Hall 5, Hall 5 and the controller 6 in wheel hub motor 1 connect；Free wheel base 3 is installed by two first bearings 7
On wheel hub motor main shaft 2；The lateral wall of 5 corresponding wheel hub motor main shaft 2 of Hall is provided with escape groove 20, Hall 5 and controller 6
Connecting line through escape groove 20 be connected to.The magnet ring 4 and Hall 5 of the present embodiment are respectively arranged at free wheel base 3 and wheel hub motor main shaft 2
On, exquisiteness simple in structure, flywheel is in linkage status, when bicyclist rides, chain wheel crank according to chain drive and chain wheel crank
Rotation drives flywheel, free wheel base 3 to rotate, and magnet ring 4 is equipped with inside free wheel base 3, on wheel hub motor main shaft corresponding with magnet ring 42
Equipped with Hall 5, when magnet ring 4 rotates, Hall 5 detects the variation of magnetic pole and outputs signal to controller 6, when chain wheel crank stops
When rotation stop is moved, flywheel, free wheel base 3 also and then stop, and Hall 5 can't detect the variation of magnetic pole, and then be precisely controlled wheel hub motor 1
Startup and closing, power-assisted is with obvious effects, and forms good protection to the connecting line of Hall 5 and controller 6.
Specifically, wheel hub motor main shaft 2 is equipped with stator support 8, controller 6 is mounted on stator support 8, stator support
8 right side is equipped with E type bearing supports 80；The right end cap 101 of wheel hub motor 1 is set to the outer of E type bearing supports 80 by second bearing 9
The outside of side, right end cap 101 is equipped with torsion sensor 15, the outer wall 1511 and E type bearing supports 80 of 15 inner ring 151 of torsion sensor
Inside between connected by 3rd bearing 10, the outer ring 152 of torsion sensor 15 is fixed on right end cap 101.
Specifically, the endoporus and free wheel base 3 of 15 inner ring 151 of torsion sensor are connected by ratchet 16；Torsion sensor 15
Three or three or more spring beams 153 are uniformly provided between inner ring 151 and outer ring 152, the medium position of spring beam 153 opens up
It there are two through-hole 154 and is interconnected, the spring beam outer surface corresponding to through-hole 154 is equipped at least two foil gauges 155, answers
Become piece 155 and is electrically connected to torsion plate 17；Pass through wireless power and signal transmission between controller 6 and torsion plate 17.Torsion senses
Device 15 is used to detect the size of legpower, and generates electric signal transmission to torsion plate 17, and controller 6 is according to the size control wheel of legpower
The rotating speed of hub motor 1 completes power-assisted.
Specifically, wheel hub motor 1 is internal rotor wheel hub motor, wheel hub motor main shaft 2 includes left half axle 21 and right axle shaft 22,
The left end cap 102 of wheel hub motor 1 is set to by fourth bearing 13 on left half axle 21；Stator support 8 includes left socle 82 and right branch
Frame 81, right support 81 are set to the left end of right axle shaft 22, and E type bearing supports 80 are outside the right side of right support 81, left socle 82
Circle is fixedly connected with the outer ring of right support 81, and sun wheel shaft 14 is set between left socle 82 and right support 81；Hub motor shell 103
Interior setting 18 and rotor 19, stator 18 are set between left socle 82 and right support 81 and are fixed on left socle 82, rotor 19
It is fixedly connected with sun wheel shaft 14, left socle 82 is connect with sun wheel shaft 14 by 5th bearing 30, the sun of sun wheel shaft 14
Wheel 141 is connect by planetary gear reducing mechanism with hub motor shell 103, the spindle nose 142 and right support 81 of sun wheel shaft 14
Connection, controller 6 are mounted on the outer ring of left socle 82.
Specifically, right axle shaft 22 is equipped with interior blind hole 222, line outlet groove is provided between 22 side wall of interior blind hole 222 and right axle shaft
223, the connecting line of controller 6 is stretched out through line outlet groove 223 and interior blind hole 222.
Specifically, further including wheel rim 105, wheel rim 105 seperated can be connected with hub motor shell 103, hub motor shell
103 right sides are lug boss 1031, and controller 6 is placed in the inner cavity of lug boss 1031, and wheel rim 105 is installed in the side of lug boss 1031
Side.
Specifically, right axle shaft 22 and right support 81 are integrally formed.
Specifically, the left side of right support 81 is equipped with a set of cups 83,6th bearing 31, the spindle nose of sun wheel shaft 14 are set in a set of cups 83
142 are set in 6th bearing 31.
Another preferred embodiment of the utility model, wheel hub motor 1 are outer rotor hub motor, free wheel base and wheel hub motor
Right end cap be connected by ratchet, hub motor shell is mounted on main shaft or the stator branch that is fixedly connected with main shaft by bearing
On frame (figure omits).
The above only further illustrates the technology contents of the utility model with embodiment, in order to which reader is easier to manage
Solution, but the embodiment for not representing the utility model is only limitted to this, wherein the partial structurtes of each component, connection type can bases
Actual conditions are adjusted, and any technology done according to the utility model extends or recreation, is protected by the utility model.
Claims (9)
1. a kind of motor wheel hub structure, including wheel hub motor, the free wheel base on wheel hub motor main shaft and on free wheel base
Flywheel, which is characterized in that the endoporus of the free wheel base is equipped with magnet ring, and wheel hub motor main shaft corresponding with the magnet ring is equipped with
Hall, the Hall are connected with the controller in wheel hub motor；The free wheel base is mounted on wheel by two first bearings
On hub electric machine main shaft；The lateral wall of the corresponding wheel hub motor main shaft of the Hall is provided with escape groove, the connection of Hall and controller
Line is connected to through the escape groove.
2. motor wheel hub structure according to claim 1, which is characterized in that wheel hub motor main shaft is equipped with stator support, institute
Controller is stated on stator support, the right side of stator support is equipped with E type bearing supports；The right end cap of wheel hub motor passes through second
Bearing is set to the outside of E type bearing supports, and the outside of right end cap is equipped with torsion sensor, the outer wall and E types of torsion sensor inner ring
It is connected by 3rd bearing between the inside of bearing block, the outer ring of torsion sensor is fixed on right end cap.
3. motor wheel hub structure according to claim 2, which is characterized in that the endoporus and free wheel base of torsion sensor inner ring are logical
Cross ratchet connection；Three or three or more spring beams, the spring beam are uniformly provided between torsion sensor inner ring and outer ring
Medium position open up there are two through-hole and being interconnected, the spring beam outer surface corresponding to the through-hole is equipped at least two
Foil gauge, the foil gauge are electrically connected to torsion plate；Pass through wireless power and signal transmission between the controller and torsion plate.
4. motor wheel hub structure according to claim 3, which is characterized in that the wheel hub motor is internal rotor wheel hub motor,
The wheel hub motor main shaft includes left half axle and right axle shaft, and the left end cap of wheel hub motor is set to by fourth bearing on left half axle；
The stator support includes left socle and right support, and the right support is set to the left end of right axle shaft, and the E type bearing supports are set to
The right side of right support, the outer ring of left socle are fixedly connected with the outer ring of right support, and sun wheel shaft is set between left socle and right support；
Setting and rotor, the stator are set between left and right holder and are fixed on left socle, the rotor in hub motor shell
It is fixedly connected with sun wheel shaft, the left socle is connect with sun wheel shaft by 5th bearing, the sun gear of the sun wheel shaft
It is connect with hub motor shell by planetary gear reducing mechanism, the spindle nose of sun wheel shaft is connected with right support, the controller
Mounted on the outer ring of left socle.
5. motor wheel hub structure according to claim 4, which is characterized in that right axle shaft be equipped with interior blind hole, the interior blind hole and
Line outlet groove is provided between right axle shaft side wall, the connecting line of the controller is stretched out through line outlet groove and interior blind hole.
6. motor wheel hub structure according to claim 4, which is characterized in that further include wheel rim, the wheel rim and wheel hub motor
Shell seperated can connect, and hub motor shell right side is lug boss, and controller is placed in the inner cavity of lug boss, and wheel rim is installed in convex
The side in the portion of rising.
7. motor wheel hub structure according to claim 4, which is characterized in that right axle shaft and right support are integrally formed.
8. motor wheel hub structure according to claim 4, which is characterized in that the left side of the right support is equipped with a set of cups, described
6th bearing is set in a set of cups, the spindle nose of sun wheel shaft is set in 6th bearing.
9. motor wheel hub structure according to claim 1, which is characterized in that the wheel hub motor is outer rotor hub motor,
The free wheel base is connected with the right end cap of wheel hub motor by ratchet, hub motor shell by bearing be mounted on main shaft or with
On the stator support that main shaft is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097763.6U CN207766108U (en) | 2018-01-21 | 2018-01-21 | Motor wheel hub structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097763.6U CN207766108U (en) | 2018-01-21 | 2018-01-21 | Motor wheel hub structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766108U true CN207766108U (en) | 2018-08-24 |
Family
ID=63181065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820097763.6U Expired - Fee Related CN207766108U (en) | 2018-01-21 | 2018-01-21 | Motor wheel hub structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235701A (en) * | 2018-01-21 | 2018-06-29 | 深圳哥智行科技有限公司 | Motor wheel hub structure |
-
2018
- 2018-01-21 CN CN201820097763.6U patent/CN207766108U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235701A (en) * | 2018-01-21 | 2018-06-29 | 深圳哥智行科技有限公司 | Motor wheel hub structure |
| WO2019140672A1 (en) * | 2018-01-21 | 2019-07-25 | 深圳一哥智行科技有限公司 | Motor hub structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20200121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |