CN101087088A - An electromotive wheel hub electromotor - Google Patents
An electromotive wheel hub electromotor Download PDFInfo
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- CN101087088A CN101087088A CN 200710067358 CN200710067358A CN101087088A CN 101087088 A CN101087088 A CN 101087088A CN 200710067358 CN200710067358 CN 200710067358 CN 200710067358 A CN200710067358 A CN 200710067358A CN 101087088 A CN101087088 A CN 101087088A
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Abstract
The invention relates to an electromobile boss motor which includes boss shell, end cap, retarder and motor parts, the motor parts include stator and rotor, the rotor is placed in stator, it characterized in that: said retarder composes retarder shell and underdriving gear set, the underdriving gear set is set in the retarder shell, input and output hole are separately set on two ends of the retarder shell, connecting axes is set on input hole, one end of connecting axes is engaged with underdriving gear set, the another end is connected with rotor, output of the underdriving gear set passes through the output axesof the retarder shell, clutch is between the output of the speed reduction gear and end cap. The structure of the product is compact, disassemble is convenient, performance is stable.
Description
Technical field
The present invention relates to a kind of electric vehicle motor, specifically is a kind of wheel hub electric motor of electric vehicle.
Background technology
Advocate the vehicles that use clean environment firendly energetically in current society, electric bicycle is subjected to consumers in general's favor deeply because of its free of contamination characteristics convenient for cleaning, the wheel hub motor of electric bicycle is the core of electric bicycle, its performance will directly influence the performance of car load, wheel hub motor has passed through the brushless electric machine that generally uses up till now from the carbon brush motor, from the motor of the low-speed direct driving type in the past process of high deceleration type of drive up till now, motor internal is constantly getting a promotion, and it is little that the wheel hub motor of electric bicycle relatively in one's early years has a starting current, turn round and refuse greatly, characteristics such as it is singly low to make an uproar; But present wheel hub electric motor of electric vehicle still is the integral type setting; each parts of motor are done the as a whole wheel hub inside that is wrapped in; in case certain parts operation irregularity or damage take place; because be that all-in-one-piece the setting must all disassemble whole motor; installation and maintenance inconvenience; must influence between each parts after the demolition and cooperate tightness degree, the especially cooperation between the rotor more or less causes the decline of motor performance.
Summary of the invention
The object of the present invention is to provide a kind of wheel hub electric motor of electric vehicle pin between motor and hub shell, to add decelerator, and link with rotor and end cap respectively by connecting axle and clutch, concrete structure compactness, disassembly and assembly are convenient, the characteristics of stable performance.
The present invention is by the following technical solutions:
A kind of wheel hub electric motor of electric vehicle, comprise hub shell, end cap, decelerator and motor component, motor component comprises stator and rotor, rotor is placed in the stator, it is characterized in that: described decelerator is made up of reducer shell and train of reduction gears, train of reduction gears is placed in the reducer shell, be respectively equipped with the input and output axis hole at the two ends of reducer shell, on input shaft bore, be provided with connecting axle, connecting axle one end is meshed with train of reduction gears, the other end and rotor clamping mutually, the output of train of reduction gears passes from the reducer shell output shaft hole, is provided with clutch between the output of reduction gearing and end cap.
Described stator and reducer shell connect firmly mutually.
Described end cap is provided with the ring flange that matches with clutch.
Described train of reduction gears comprises a main body, is provided with axis hole, output and three planet teeth on main body, and three planet teeth are located between the two plate holder plates of main body, each planetary gear and about axis hole center symmetry, and output then is arranged on a wherein side of main body.
In the axis hole of described main body, be provided with bearing.
Establish driving cog on the described connecting axle, connect spline, axis body and bearing, described driving cog is capable that tooth is meshed with three.
Described axis body is contained in the bearing of main body axis hole.
Described rotor is provided with an output, be provided with on the output with connecting axle on be connected the spline that spline matches.
Described clutch sleeve is connected on the output of train of reduction gears.
Described rotor outer rim place several dovetail grooves that evenly distribute, between two adjacent dovetail grooves, form the cross section and be fan-shaped projection, have the expansion groove on fan-shaped projection, magnet steel is placed in each dovetail groove, is provided with expandable nail in the expansion groove and makes that magnet steel firmly is fixed in the dovetail groove.
The present invention is directed to the defective that existing electric bicycle hub motor exists, be provided with an all-in-one-piece decelerator in wheel hub inside, and decelerator and rotor are linked by connecting axle, between the output of decelerator and end cap, be provided with clutch, connecting axle all adopts the mode of clamping to combine with the cooperation between decelerator and the rotor, clutch also is to be socketed on the output of decelerator, clutch also is contained in the ring flange of end cap, this combination is very compact in structure, very convenient when assembly and disassembly, because decelerator, hub shell, be very integral type setting between end cap and the motor, when dismounting maintenance or group device, influence each other still less between each parts like this, easy to replace and maintain, after dismounting and maintenance, reduce influence as far as possible, guarantee the stability of wheel hub motor inner each parts.
Description of drawings
Fig. 1, internal structure decomposing schematic representation of the present invention;
The internal structure decomposing schematic representation of Fig. 2, other direction of the present invention;
The structural representation of Fig. 3, decelerator of the present invention.
Embodiment
As Figure 1-3, a kind of wheel hub electric motor of electric vehicle, comprise hub shell 1, end cap 2, decelerator 3 and motor component 4, in decelerator 3 and the motor component 4 ccontaining hub shells 1, and sealed by end cap 2 at two ends, decelerator 3 and motor component 4 have a common main shaft 5, and main shaft 5 runs through decelerator 3 and motor component 4 and passes from the end cap 2 on both sides.
Described motor component 4 comprises stator 41 and rotor 42, rotor 42 is placed in the stator 41, and stator 41 connects firmly on main shaft 5, described decelerator 3 is made up of reducer shell 31 and train of reduction gears 32, train of reduction gears 32 is placed in the reducer shell 31, described train of reduction gears 32 comprises a main body 321, on main body 321, be provided with axis hole 322, output 323 and three planet teeth 324, three planet teeth 324 are located between the two clamping plates of main body 321 and about axis hole 322 center symmetries, 323 of outputs are arranged on a wherein side of main body 321, also are provided with bearing in the axis hole 322 of described main body 321.Be respectively equipped with input shaft bore 311 and output shaft hole 312 at the two ends of reducer shell 31, reducer shell 31 inside also are provided with the gear ring 310 that cooperates with three planetary gears 324, on described input shaft bore 311, be provided with connecting axle 6, establish driving cog 61 on the described connecting axle 6, connect spline 62, axis body 63 and bearing 64, described axis body 63 is contained in the bearing of main body axis hole 322, described driving cog 62 is meshed with three planet 324 teeth, bearing 64 on the described connecting axle 6 is contained on the input shaft bore 311 of reducer shell 31, the connection spline 62 of connecting axle 6 is connected on the output 421 of rotor 42, and the output 323 of train of reduction gears 32 passes from reducer shell 31 output shaft holes 312; On corresponding decelerator 3 outputs end cap 2 on one side, be provided with a ring flange 21, between the output 323 of ring flange 21 and train of reduction gears 32, be provided with clutch 7, described clutch 7 be socketed on the output 323 of train of reduction gears 32 and ccontaining and ring flange 21 in; Described decelerator 3 and motor component 4 connect firmly together by screw.
The mode that the motor component 4 that the present invention has changed present wheel hub motor inside and decelerator 3 and clutch 7 connect for integral type, motor component 4 and decelerator 3 are installed at hub shell inside respectively, and connect firmly by screw, such setting just looks like with decelerator 3, motor component 4 and clutch 7 conducts all-in-one-piece little module one by one are installed in hub shell inside, and then each little module linked up, separate between each module, the internal structure compactness, this mode is combined in wheel hub motor in assembling, all very convenient when dismounting and maintenance, when dismantling or assembling parts, basically do not influence other parts, when mounted the connecting axle 6 between motor component 4 and the decelerator 3 is connected, and on the decelerator 3 that motor component 4 is connected firmly by screw, again clutch 7 is socketed in the output 323 of clutch 3, and will connect good decelerator 3 and motor component 4 connects hub shell 1 inside of packing into main shaft 5, and clutch 7 is contained in end cap 2 upper flange plates 21, the opposite side end cap is installed just passablely, the whole erection process is very convenient again; Same dismounting is that reverse process is installed; also can be very simple and convenient; biggest advantage of the present invention is the setting of the component modelsization of wheel hub motor inside; inner each parts of protection farthest are not damaged and influence in installation, dismounting and maintenance process, have guaranteed the stability and the reliability of wheel hub motor work.
Another characteristics of the present invention are exactly several dovetail grooves that evenly distribute at rotor outer rim place, between two adjacent dovetail grooves, form the cross section and be fan-shaped projection, on fan-shaped projection, have the expansion groove, magnet steel is placed in the dovetail groove, one has expandable nail firmly to fix on magnet steel in the dovetail groove in the expansion groove, adopt above-mentioned structure with respect to the existing bonding fixed form of glue that adopts, magnet steel is more reliable surely, the phenomenon of magnet steel in the rotor rotation process can not take place, can make wheel hub motor work more reliable, the life-span is longer.
Claims (9)
1, a kind of wheel hub electric motor of electric vehicle, comprise hub shell, end cap, decelerator and motor component, motor component comprises stator and rotor, rotor is placed in the stator, it is characterized in that: described decelerator is made up of reducer shell and train of reduction gears, train of reduction gears is placed in the reducer shell, be respectively equipped with the input and output axis hole at the two ends of reducer shell, on input shaft bore, be provided with connecting axle, connecting axle one end is meshed with train of reduction gears, the other end and rotor clamping mutually, the output of train of reduction gears passes from the reducer shell output shaft hole, is provided with clutch between the output of reduction gearing and end cap.
2, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, it is characterized in that: stator and reducer shell connect firmly mutually.
3, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 1 is characterized in that: decelerator output one side end cap on be provided with the ring flange that matches with clutch.
4, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, it is characterized in that: described train of reduction gears comprises a main body, on main body, be provided with axis hole, output and three planet teeth, three planets are located between the two clamping plates of main body and about axis hole center symmetry, and output then is arranged on a wherein side of main body.
5, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 4 is characterized in that: be provided with bearing in the axis hole of described main body.
6, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 4 is characterized in that: establish driving cog on the described connecting axle, connect spline, axis body and bearing, described driving cog is capable that tooth is meshed with three.
7, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 6, it is characterized in that: described axis body is contained in the bearing of main body axis hole.
8, a kind of described a kind of wheel hub electric motor of electric vehicle as claimed in claim 6, it is characterized in that: described rotor is provided with an output, be provided with on the output with connecting axle on be connected the spline that spline matches.
9, a kind of wheel hub electric motor of electric vehicle, comprise hub shell, end cap, decelerator and motor component, motor component comprises stator and rotor, rotor is placed in the stator, it is characterized in that: described rotor outer rim place several dovetail grooves that evenly distribute, between two adjacent dovetail grooves, form the cross section and be fan-shaped projection, on fan-shaped projection, have the expansion groove, magnet steel is placed in each dovetail groove, is provided with expandable nail in the expansion groove and makes that magnet steel firmly is fixed in the dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710067358 CN101087088A (en) | 2007-02-14 | 2007-02-14 | An electromotive wheel hub electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710067358 CN101087088A (en) | 2007-02-14 | 2007-02-14 | An electromotive wheel hub electromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101087088A true CN101087088A (en) | 2007-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710067358 Pending CN101087088A (en) | 2007-02-14 | 2007-02-14 | An electromotive wheel hub electromotor |
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| Country | Link |
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| CN (1) | CN101087088A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638119A (en) * | 2012-04-24 | 2012-08-15 | 河北科技大学 | Permanent magnet motor rotor with small output torque ripple |
| CN105245055A (en) * | 2014-07-04 | 2016-01-13 | Ims齿轮有限公司 | Engine-transmission connection by means of adhesive tape |
| CN105239315A (en) * | 2014-06-30 | 2016-01-13 | 青岛海尔洗衣机有限公司 | Separated-type decelerating clutch outer shell |
| CN107115192A (en) * | 2016-02-25 | 2017-09-01 | 隆羽实业股份有限公司 | The resistance control structure of pulley arrangement |
-
2007
- 2007-02-14 CN CN 200710067358 patent/CN101087088A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638119A (en) * | 2012-04-24 | 2012-08-15 | 河北科技大学 | Permanent magnet motor rotor with small output torque ripple |
| CN105239315A (en) * | 2014-06-30 | 2016-01-13 | 青岛海尔洗衣机有限公司 | Separated-type decelerating clutch outer shell |
| CN105239315B (en) * | 2014-06-30 | 2019-01-22 | 青岛海尔洗衣机有限公司 | A kind of split type speed-reducing clutch shell |
| CN105245055A (en) * | 2014-07-04 | 2016-01-13 | Ims齿轮有限公司 | Engine-transmission connection by means of adhesive tape |
| CN105245055B (en) * | 2014-07-04 | 2018-07-17 | 亿迈齿轮两合股份公司 | Device for connecting engine and speed changer |
| CN107115192A (en) * | 2016-02-25 | 2017-09-01 | 隆羽实业股份有限公司 | The resistance control structure of pulley arrangement |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071212 |