CN104960609B - Electrodynamic balance car and its electric machine assembly - Google Patents
Electrodynamic balance car and its electric machine assembly Download PDFInfo
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- CN104960609B CN104960609B CN201510452713.6A CN201510452713A CN104960609B CN 104960609 B CN104960609 B CN 104960609B CN 201510452713 A CN201510452713 A CN 201510452713A CN 104960609 B CN104960609 B CN 104960609B
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- balance car
- electrodynamic balance
- bearing
- rotor
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Abstract
The invention discloses a kind of electrodynamic balance car, including it is installed in rotation on stator and by bearing the motor of the rotor of the stator radial outside；Wheel with the spokeless wheel rim for being enclosed within the outside of the rotor radial and being fixedly mounted relative to the rotor；Wherein, the stator is hollow annular element, and the minimum axial direction yardstick of the hollow space of the annular element is more than the axial dimension of the annular solid；The annular element is connected with pedal gear, control system and power supply.So the middle part of wheel is hollow structure, so as to mitigate the weight of wheel, increase the portability of electrodynamic balance car.
Description
Technical field
The present invention relates to a kind of electrodynamic balance car, more particularly to a kind of portable electric balance car.
Background technology
Electrodynamic balance car is a kind of vehicles grown up in nearly twenty or thirty year, and it has small volume, lightweight, operation
Flexibly the features such as.Because electrodynamic balance car has small volume, lightweight feature, common someone is as public transport
Station to the walking-replacing tool between entrance.Also it is due to its small volume, lightweight feature, this kind of electrodynamic balance car is special
It is outdoor easily stolen not to be that single wheel electrodynamic balance car is placed on, therefore usually requires to take after use to take home storage.Therefore, mesh
The demand more and more higher of the preceding portability in use to electrodynamic balance car, therefore, further mitigates weight and increases portable
Property is the target that this area is pursued jointly.
To improve portability, Chinese patent literature CN203528693U discloses a kind of lightweight single wheel balance car, its car
Wheel is annular in shape, the internal tooth in wheel inner ring with intensive annular arrangement；Motor is set relative to the wheel eccentricities, and its
Output end is connected with the travelling gear matched with wheel internal tooth；The lithium battery and controller are placed in wheel inner annular space,
And the car body of the lower wheel flexible rotating of motor driving is formed fixed at by cage connection；Described ride is installed on shell two
Side.Eccentric setting is carried out by the motor that dexterously driving force is originated, and engaged by the gear of wheel ring-type internal tooth
Mode enters action edge transmission, the annulus of wheel is individually rotated, and it is in fixed that it is internal, and leaves space mounting lithium electricity
The device such as pond and controller, eliminates the support of outside, not only alleviates overall weight, and greatly reduce overall body
Product.Equally, similar technical scheme is also disclosed that in Chinese patent literature CN104527909A.The technical side of these prior arts
The mode that wheel spoke barrel solves the problem of weight is big of removing all coincidentally is employed in case.Although this kind of carry in the prior art
Go out by cancelling wheel spoke barrel to reduce the technological means of weight, but motor therein or independent, and set for this
Necessary gear drive is put, the internal gear being molded over by being arranged on the inside of wheel rim drives balance car motion.
An a kind of part using motor has been occurred in that in the prior art as the technical scheme of a part for wheel, such as
A kind of electrodynamic balance car disclosed in Chinese patent literature CN204184521U, wheel hub motor therein includes fixing axle, with fixation
The stator support that axle is fixedly connected, is fixed on the stator core in support outer rim, is respectively wound around determining in each stator core
Sub- winding, is fixed on the rotor magnet on the inside of wheel hub corresponding with stator winding, and be fixed on the left and right motor of wheel hub side
End cap.The left and right pedal connection for carrying occupant is in the frame that fixing axle is fixedly connected, to be provided with controller and rechargeable battery
Housing be also fixedly mounted in frame.Similar prior art is also disclosed in Chinese patent literature CN204077975U.
This kind of central fixed shaft serves very important effect in the prior art, therefore limits stator support and turn into essential
Part, therefore also limit and reduce the adopting in this kind of vehicle of technological means as weight by cancelling wheel spoke barrel
With.
The content of the invention
The technical problem to be solved in the present invention is to cancel wheel spoke barrel by application on the balance car using wheel hub motor
To reduce the problem of technological means as weight, there is provided a kind of electrodynamic balance car for being conducive to mitigating weight.
In order to solve the above technical problems, the electrodynamic balance car of the present invention, including motor, with stator and can by bearing
It is rotatably mounted at the rotor of the stator radial outside；Wheel, with being enclosed within the outside of the rotor radial and relative to described
The spokeless wheel rim that rotor is fixedly mounted；Wherein, the stator is hollow annular element, and the hollow space of the annular element is vertically
Through wheel；The annular element is connected with pedal gear, control system and power supply；At least two are fixedly installed on the stator
Fixed body, is respectively fixedly connected with the bearing inner ring of the bearing, the outer shroud connection of the bearing is described by the fixed body
Rotor.
Further, the rotor and the spokeless wheel rim are the single component being molded as one.
Further, the motor both sides are provided with annular fixing member, the fixture passes through the fixed body and institute
Stator is stated to be fixedly connected；It is provided with that the pedal gear, control system, housing and power supply are installed on each fixture
Element portion or whole installed parts.
It is also possible that being provided with annular fixing member in the motor both sides, the fixture from the stator shaft orientation by stretching
At least two fixed bodies gone out are fixedly connected with the stator；It is provided with that the pedal exerciser is installed on each fixture
Structure, control system, housing and all or part of installed part of power supply unit.
Above-mentioned electrodynamic balance car further comprises two annular connection lids respectively positioned at the motor both sides, each company
Lid is connect mutually to be fixedly connected with the bearing outer ring and the spokeless wheel rim of the corresponding bearing or the rotor.
Preferably, the quantity of the fixed body is three, and is uniformly distributed on stator.
Further, the spokeless wheel rim is provided with the structure for installing one or two tires.
Further, the housing includes being located at the supporter above the spokeless wheel rim, and the both sides of the supporter are prolonged respectively
Stretching has the support arm being installed on the fixture.
Further, the housing, which is formed, protrudes into the cylindrical body that the stator footpath is inwardly surveyed.
Preferably, the power supply and the control system are positioned on the top of the supporter, the housing and are provided with
The handle helped for occupant.
In addition, it is also proposed that a kind of electric machine assembly, including stator, the stator footpath can be rotatably mounted at by bearing
Rotor laterally；The stator is that at least two fixed bodies are fixedly installed on hollow annular element, the stator, passes through institute
State fixed body to be respectively fixedly connected with the bearing inner ring of the bearing, the outer shroud of the bearing connects the rotor.
Further, the quantity of the bearing is two and is located at the both sides of stator respectively.
Further, the fixed body is fixedly connected in the inner radial wall of the stator.
Further, the electric machine assembly further comprise positioned at both sides two annular connection lid, it is each it is described connection lid with
The corresponding outer race and the rotor are fixedly connected.
The present invention has the advantages that：Because the stator radially inner side of the motor in above technical scheme is surrounded
Chamber, at least partly cavity run through wheel, so the middle part of wheel is hollow structure, so as to mitigate the weight of wheel, increase
Power up the portability of dynamic balancing car.
Brief description of the drawings
Fig. 1 is the schematic perspective view of first embodiment of the invention electrodynamic balance car.
Fig. 2 is the schematic perspective view that electrodynamic balance car shown in Fig. 1 removes a side body.
Fig. 3 is the decomposed schematic diagram of electrodynamic balance car wheel shown in Fig. 1.
Fig. 4 is the schematic perspective view of second embodiment of the invention electrodynamic balance car.
Fig. 5 is the decomposed schematic diagram of electrodynamic balance car wheel shown in Fig. 4.
Embodiment
Illustrated in greater detail embodiments of the present invention below in conjunction with the accompanying drawings, embodiments of the invention are in order to the present invention
Further explain, rather than protection scope of the present invention is limited.
Refer to shown in Fig. 1 and Fig. 2, electrodynamic balance car of the present invention is included with stator 51 and by bearing 14 rotationally
Installed in the motor of the rotor 52 of the radial outside of stator 51 and with being enclosed within the radial outside of rotor 52 and relative to institute
State the wheel 1 of the spokeless wheel rim 11 of the fixed installation of rotor 52.Wherein, the stator 51 is hollow annular element, the annular element
It is connected with left and right pedal gear 3, control system and the power supply 4 for carrying occupant.Welded on the stator inner loop wall 511 of the stator 51
The fixed body 6 for setting three circumferences equally distributed and axially extended is connect, the external part of the fixed body 6 is welded on the bearing
On the inner ring internal ring wall of 14 inner ring 141, thus the inner ring 141 of the bearing 14 is fixedly connected with the stator 51.
Annular fixing member 12 is respectively arranged with the motor both sides, the fixture 12 passes through the fixed body 6 and the stator 51
It is fixedly connected；It is provided with to install the pedal installed part 121 of pedal gear 3 on each fixture 12, installs and be covered in
The installed part of the part such as the housing mount 122 of the housing 2 on wheel 1 and the control system being installed in housing 2, power supply 4.Step on
Plate installed part 121 is located at the bottom of the fixture 12, and housing fixed part 122 is located at the top of the fixture 12.Described
Motor both sides set two annular connection lids 13 respectively, and the outer rim of the connection lid 13 is mutually fixedly connected with the rotor 52, and with
The bearing outer ring 142 of the correspondence bearing 14 is mutually fixedly connected, and is placed on the radial outside of the fixture 12, i.e., described solid
Determine part 12 to be located in the annular space of the connection lid 13.The connection lid 13 is to prevent that miscellaneous dirt of particle etc. from polluting motor.
The spokeless wheel rim 11 is to be fixedly connected with rotor 52, and rotor 52 can drive spokeless wheel rim 11 to rotate, and power is provided for spokeless wheel rim 11.In this reality
Apply in mode, the steel ring 521 of spokeless wheel rim 11 and rotor 52 is two parts, as shown in figure 3, the spokeless wheel rim 11 and rotor 52 respectively into
It is fixed together in a conventional manner after type.And in the present embodiment, the spokeless wheel rim 11 can be installed provided with two
The wheel 1 of the wheel hub of tire, i.e. present embodiment is double wheel hub wheel.
The motor includes the stator 51 of cast and is arranged at the rotor 52 of the periphery of stator 51.Stator 51 has the interior of cast
Wall 511, the periphery of the inwall 511 is arranged around putting the structure of coil, and the inwall 511 of the cast surrounds a cavity 510.Rotor
52 include steel ring 521 and some magnet 522 being arranged on the inner ring of steel ring 521.After energization, rotor 52 rotates around stator 51.
Please in conjunction with shown in Fig. 2, the housing 2 includes the supporter 21 for being located at the top of wheel 1, the both sides of the supporter 21
Each extend over the support arm 22 being installed on fixed part 122.The top of supporter 21 forms receiving space 20, the receiving space
20 interior various circuit boards and electronic component to place power supply 4 and control system.Please in conjunction with shown in Fig. 1, the housing 2
Provided with the cylindrical body 23 protruded into the cavity 510, the cylindrical body 23 can prevent foreign matter from entering wheel and then damage motor.
Run through it will be seen from figure 1 that the electrodynamic balance car of the present invention is left and right, add the technology sense and aesthetic property of car body.
In order to increase the sense of security of bicyclist, electrodynamic balance car is also provided with handrail 7, in the present embodiment, helps
Hand 7 is set to an expansion link being installed on housing 2, when riding, and can move suitable length to, during collection, can be contracted to
Most short status.
Because fixture 12, closure 13 are cast, so the cavity 510 of at least one of motor stator 51 runs through
Wheel, i.e. wheel 1 are set to be hollow, and the middle part of wheel does not have structure member, so as to mitigate the weight of wheel, increase electronic
The portability of balance car.
Refer to shown in Fig. 4 and Fig. 5, which show the second embodiment of electrodynamic balance car of the present invention.Implement with first
Mode difference is that the spokeless wheel rim 11 of wheel 1 is single hub wheel.
Simplify structure to be further, in the above-described embodiments, spokeless wheel rim 11 and the steel ring 521 of rotor 52 can also be shaped to
The single component of one.The installed part of the parts such as pedal gear 3, control system, housing and power supply can also straight forming or peace
In the inner radial wall of the stator or the bearing inner ring or on the wall of side.So number of components can be further reduced to be easy to
Processing and assembling.
In addition, the quantity of the fixed body 6 can also be that more than two or three, can select as needed, Er Qiesuo
State fixed body 6 and be not limited to be fixed on that position of the stator, as long as being all possible suitable for fixed position in fact.
Pedal installed part 121, fixed part 122 can be integrally formed with fixture 12, be fixed on after can also being molded respectively
On fixture 12.Fixture 12 is fixedly connected with fixed body 6 and positioned at the outside of bearing 14.
Certainly, the installed part of the parts such as the control system, the power supply 4 that are installed in housing 2 can also be arranged on the fixation
On part 12.
Certainly, the above is the preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (19)
1. a kind of electrodynamic balance car, including motor, the footpath of the stator can be rotatably mounted at stator and by bearing
Rotor laterally；Wheel, the spokeless wheel rim being fixedly mounted with the radial outside for being enclosed within the rotor and relative to the rotor；Its
It is characterised by：The stator is hollow annular element, wherein, the hollow space of the annular element is axially through the car
Wheel；The annular element is connected with pedal gear, control system and power supply；At least two fixations are fixedly installed on the stator
Body, and the stator is respectively fixedly connected with the bearing inner ring of the bearing by the fixed body, the outer shroud of the bearing connects
Connect the rotor.
2. electrodynamic balance car according to claim 1, it is characterised in that：The rotor is to be molded as one with the spokeless wheel rim
Single component.
3. the electrodynamic balance car according to any one of claim 1 or 2, it is characterised in that：The both sides of the motor are provided with
Annular fixing member, the fixture is fixedly connected by the fixed body with the stator；It is provided with each fixture
To install pedal gear, control system, housing and all or part of installed part of power supply unit.
4. electrodynamic balance car according to claim 1 or 2, it is characterised in that：It is solid that the both sides of the motor are provided with annular
Determine part, the fixture is fixedly connected by least two axially extended fixed bodies from the stator with the stator；Often
It is provided with that pedal gear, control system, housing and all or part of installation of power supply unit are installed on fixture described in one
Part.
5. the electrodynamic balance car as described in claim 1-2 any one, it is characterised in that further comprise respectively positioned at described
The connection lid of two annulars of the both sides of motor, each connection lid and the bearing outer ring and the spokeless wheel rim of the corresponding bearing or
The rotor is mutually fixedly connected.
6. electrodynamic balance car as claimed in claim 3, it is characterised in that further comprise the both sides for being located at the motor respectively
Two annular connection lids, it is each it is described connection lid and the bearing outer ring and the spokeless wheel rim of the corresponding bearing or the rotor phase
It is fixedly connected.
7. electrodynamic balance car as claimed in claim 4, it is characterised in that further comprise the both sides for being located at the motor respectively
Two annular connection lids, it is each it is described connection lid and the bearing outer ring and the spokeless wheel rim of the corresponding bearing or the rotor phase
It is fixedly connected.
8. electrodynamic balance car as claimed in claim 6, it is characterised in that the quantity of the fixed body is three, and uniform point
It is distributed on stator.
9. the electrodynamic balance car as any one of claim 1 to 2, it is characterised in that the spokeless wheel rim provided with install one or
The structure of two tires.
10. electrodynamic balance car as claimed in claim 3, it is characterised in that the housing includes being located above the spokeless wheel rim
Supporter, the both sides of the supporter each extend over the support arm being installed on the fixture.
11. electrodynamic balance car as claimed in claim 4, it is characterised in that the housing includes being located above the spokeless wheel rim
Supporter, the both sides of the supporter each extend over the support arm being installed on the fixture.
12. electrodynamic balance car as claimed in claim 6, it is characterised in that the housing, which is formed, protrudes into the stator footpath
The cylindrical body inwardly surveyed.
13. electrodynamic balance car as claimed in claim 7, it is characterised in that the housing, which is formed, protrudes into the stator footpath
The cylindrical body inwardly surveyed.
14. electrodynamic balance car as claimed in claim 10, it is characterised in that the power supply and the control system are positioned over institute
State the handle for being provided with and being helped for occupant on the top of supporter, the housing.
15. electrodynamic balance car as claimed in claim 13, it is characterised in that the power supply and the control system are positioned over institute
State the handle for being provided with and being helped for occupant on the top of supporter, the housing.
16. a kind of electric machine assembly, including stator, turn of the radial outside of the stator can be rotatably mounted at by bearing
Son；Characterized in that, the stator is hollow annular element, at least two fixed bodies, and institute is fixedly installed on the stator
State stator to be respectively fixedly connected with the bearing inner ring of the bearing by the fixed body, the outer shroud connection of the bearing is described to be turned
Son.
17. electric machine assembly as claimed in claim 16, it is characterised in that the quantity of the bearing is for two and respectively positioned at fixed
The both sides of son.
18. the electric machine assembly as described in claim 16 or 17, it is characterised in that the fixed body be fixedly connected on it is described fixed
In the inner radial wall of son.
19. the electric machine assembly as described in claim 16 or 17, it is characterised in that the electric machine assembly further comprises being located at both sides
Two annular connection lids, it is each it is described connection lid is fixedly connected with the outer shroud and the rotor of the corresponding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452713.6A CN104960609B (en) | 2015-07-28 | 2015-07-28 | Electrodynamic balance car and its electric machine assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510452713.6A CN104960609B (en) | 2015-07-28 | 2015-07-28 | Electrodynamic balance car and its electric machine assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104960609A CN104960609A (en) | 2015-10-07 |
| CN104960609B true CN104960609B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510452713.6A Active CN104960609B (en) | 2015-07-28 | 2015-07-28 | Electrodynamic balance car and its electric machine assembly |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172961B (en) * | 2015-10-14 | 2017-07-14 | 浙江大学 | The single wheel double-ring surface bicycle that a kind of high sensitivity is turned to |
| CN105172962A (en) * | 2015-10-19 | 2015-12-23 | 成都夏金科技有限公司 | Self-balancing electric motorcycle |
| CN106005144A (en) * | 2016-05-31 | 2016-10-12 | 张军凯 | Electric vehicle pedal device and electric vehicle thereof |
| CN106143743A (en) * | 2016-08-27 | 2016-11-23 | 彭良 | A kind of omnirange driving wheel and multi-direction balance car |
| DE102017221828A1 (en) * | 2017-12-04 | 2019-06-06 | Conti Temic Microelectronic Gmbh | centreless wheel |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8219308B2 (en) * | 2010-02-02 | 2012-07-10 | Leeser Karl F | Monowheel type vehicle |
| US8807250B2 (en) * | 2010-03-09 | 2014-08-19 | Shane Chen | Powered single-wheeled self-balancing vehicle for standing user |
| CN202054122U (en) * | 2011-04-22 | 2011-11-30 | 周永建 | Portable interesting folding electric vehicle |
| FR2976548B1 (en) * | 2011-06-17 | 2013-06-07 | Univ Paris Sud 11 | GYROPODE "HUBLESS" OF SIMPLIFIED STRUCTURE |
| CN204110242U (en) * | 2013-09-01 | 2015-01-21 | 常州爱尔威智能科技有限公司 | A kind of two wheeled electric motor bike and the two-wheel for Self-balance electric vehicle |
| CN104118524B (en) * | 2014-07-30 | 2016-04-27 | 朱幕松 | Collection dress hub-type intelligence wheel |
| CN203996617U (en) * | 2014-07-31 | 2014-12-10 | 北京维信诺光电技术有限公司 | A kind of electric boosted wheelbarrow |
| CN104309744B (en) * | 2014-11-04 | 2016-08-17 | 许鑫新 | Low abrasion friction driving mechanisms and only wheel drive vehicle of correspondence |
| CN104527909B (en) * | 2015-01-15 | 2016-10-05 | 南京快轮智能科技有限公司 | By the hollow Self-balance electric vehicle of single wheel without spoke and the control method thereof of gravity's center control |
| CN204979045U (en) * | 2015-07-28 | 2016-01-20 | 常州爱尔威智能科技有限公司 | Electrodynamic balance car and motor element thereof |
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2015
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