CN102684378A - Roller brake motor - Google Patents
Roller brake motor Download PDFInfo
- Publication number
- CN102684378A CN102684378A CN2012101876199A CN201210187619A CN102684378A CN 102684378 A CN102684378 A CN 102684378A CN 2012101876199 A CN2012101876199 A CN 2012101876199A CN 201210187619 A CN201210187619 A CN 201210187619A CN 102684378 A CN102684378 A CN 102684378A
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- China
- Prior art keywords
- gear
- box cover
- wheel hub
- reducing mechanism
- motor
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Abstract
The invention discloses a roller brake motor which comprises a spindle, a hub shell arranged on the spindle, a hub end cover fixed at one side of the hub shell, and a stator and a rotor arranged inside the hub shell, wherein the stator is fixed on a stator bracket while the stator bracket is fixed on the spindle; the rotor is connected with a planet gear reducing mechanism while the planet gear reducing mechanism is connected with the hub end cover via a clutch, and the roller brake motor also comprises a gear box cover fixed with the stator bracket. The roller brake motor is characterized in that an oil baffle ring for encircling the planet gear reducing mechanism is moulded on the gear box cover. The oil baffle ring for encircling the planet gear reducing mechanism is added to the gear box cover, so that lubricating grease can be effectively prevented from scattering and leaking when the planet gear reducing mechanism runs, the lubricating grease can be ensured to efficiently circulate for a long time and the running efficiency of the planet gear reducing mechanism is greatly enhanced, thereby prolonging the service life of the motor and improving the running performance of the motor.
Description
Technical field
the present invention relates to a kind of roller motor of stopping.
Background technology
roller motor of stopping mainly is a kind of wheel hub motor that matches and use with the roller brake member; Can effectively satisfy the assembling demand that the roller brake member is used for electric bicycle; On electric bicycle, be used widely at present, especially the demand on the European market big (what the electric bicycle of Holland had 1/3rd employings at present is the roller brake member).
The stop formation of motor of
roller mainly comprises main shaft, is installed in wheel hub shell on the main shaft, is fixed on the wheel hub end housing of wheel hub shell one side and is located at stator and the rotor in the wheel hub shell; Its rotor links to each other with planetary gear reducing mechanism, and planetary gear reducing mechanism links to each other with wheel hub end housing through clutch.This type roller motor of stopping also comprises gear box cover usually, and this gear box cover is fixed on the stator support, and mainly as planetary gear carrier with fixed planet shafts.Said planetary gear is assemblied on the planet axis, thereby and forms planetary gear reducing mechanism with the axis gears engaged of being located on the axis.
problem that motor exists yet existing this type of roller is stopped is following: " retaining oil " structure that further is not designed for the closed planetary gear reduction on the gear box cover of wheel hub enclosure; Cause planetary gear reducing mechanism in operation process; The lubricant grease leakage that scatters; Can't reliably circulate, cause planetary gear reducing mechanism running usefulness to reduce, influence motor useful life greatly.
Summary of the invention
the present invention seeks to: provide a kind of and can effectively prevent the leakage that scatters of internal planetary gear reducing gear when running lubricant grease; Guarantee the lubricant grease roller of the efficient circulation motor of stopping for a long time; With this useful life that prolongs this type of motor, improve its behavior in service.
technical scheme of the present invention is: a kind of roller motor of stopping; Comprise main shaft, be installed in wheel hub shell on the main shaft, be fixed on the wheel hub end housing of wheel hub shell one side and be located at stator and the rotor in the wheel hub shell; Wherein stator is fixed on the stator support; And stator support is fixed on the main shaft, and said rotor links to each other with planetary gear reducing mechanism, and planetary gear reducing mechanism links to each other with wheel hub end housing through clutch; Also comprise and the fixing gear box cover of stator support; It is characterized in that forming on the said gear box cover oil baffle that surrounds said planetary gear reducing mechanism.
are preferred, and the oil baffle described in the present invention on the gear box cover extends to wheel hub end housing, make said gear box cover, oil baffle and wheel hub end housing surround the retaining oil space of formation closed planetary gear reduction jointly.
are further; Stator described in the present invention and rotor preferably adopt the external stator inner rotor core; The axis that said planetary gear reducing mechanism equally comprises with routine techniques and rotor is fixing, be located on the axis middle shaft gear and with some planetary gears of axis gears engaged, also comprise planet axis; Said planetary gear is assembled on the planet axis, and planet axis then is fixed on the gear box cover; Said gear box cover which is provided with the axis hole that supplies axis to pass between rotor and middle shaft gear.
are more preferred, are arranged with the oil sealing of the axis hole on the shutoff gear box cover described in the present invention on the axis, thereby the lubricant grease on the shaft gear leaks along axis is mobile in can further preventing.As everyone knows, at present the stop middle shaft gear in the motor and the planetary gear that is engaged with of roller all preferably is beneficial to the helical gear of lubricant grease revolving-door usually, and obviously the axis hole place on gear box cover increases oil sealing and can play comparatively positive effect.
are more preferred; Planetary gear described in the present invention is a duplicate gear, and said clutch is conventional free wheeling sprag clutch, and it comprises outer ring and inner ring; Said outer ring and wheel hub end housing are fixed; And form ring gear on the inner edge of inner ring, and gear wheel in the said duplicate gear and axis gears engaged, pinion then meshes with ring gear.Directly on the inner ring inner edge of free wheeling sprag clutch, ring gear is set, and guarantee that planetary gear is engaged with, can makes structure of the present invention more compact.And the operation principle of free wheeling sprag clutch and the same routine techniques of structure thereof among the present invention, no longer stating more.
Advantage of the present invention is:
this roller provided by the invention motor of stopping; Owing on gear box cover, increased the oil baffle that surrounds planetary gear reducing mechanism; Thereby can effectively prevent the leakage that scatters of planetary gear reducing mechanism when running lubricant grease, and guarantee lubricant grease efficient circulation for a long time, strengthened the running usefulness of planetary gear reducing mechanism greatly; Thereby prolonged the useful life of this type of motor, improved its behavior in service.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is a structure cutaway view of the present invention.
wherein: 1, main shaft; 2, wheel hub shell; 3, wheel hub end housing; 4, stator; 5, rotor; 6, stator support; 7, clutch; 7a, outer ring; 7b, inner ring; 8, gear box cover; 8a, oil baffle; 9, axis; 10, middle shaft gear; 11, planetary gear; 11a, gear wheel; 11b, pinion; 12, planet axis; 13, oil sealing; 14, ring gear.
Embodiment
embodiment: combine shown in Figure 1; This roller provided by the invention motor of stopping; It equally possesses main shaft 1 with routine techniques; Through bearing (not marking among the figure) wheel hub shell 2 is installed on the main shaft 1, wheel hub shell 2 one sides are fixed with wheel hub end housing 3, and are provided with stator 4 and rotor 5 in the wheel hub shell 2.Wherein stator 4 is fixed on the stator support 6, and said stator support 6 is fixed on the main shaft 1, and said rotor 5 links to each other with planetary gear reducing mechanism, and planetary gear reducing mechanism links to each other with wheel hub end housing 3 through clutch 7.Be fixed with gear box cover 8 on the said stator support 6, key points in design of the present invention is to form on the said gear box cover 8 the oil baffle 8a that surrounds said planetary gear reducing mechanism.And the oil baffle 8a on the gear box cover described in the present embodiment 8 extends to wheel hub end housing 3, the retaining oil space that said gear box cover 8, oil baffle 8a and wheel hub end housing 3 is surrounded jointly form the closed planetary gear reduction.
specifically combine shown in Figure 1; Stator 4 adopts the external stator inner rotor cores with rotor 5 in the present embodiment, said planetary gear reducing mechanism by with the fixing axis 9 of rotor 5, be located at middle shaft gear 10 on the axis 9, with three planetary gears 11 of middle shaft gear 10 engagements (among the figure only visible) and the planet axis 12 that is used to assemble each planetary gear 11 constitute jointly.Said planetary gear 11 is assembled on the corresponding planet axis 12, and planet axis 12 then is fixed on the gear box cover 8.Said gear box cover 8 which is provided with the axis hole that supplies axis 9 to pass between rotor 5 and middle shaft gear 10.
this roller provided by the invention motor of stopping; Owing on gear box cover 8, increased the oil baffle 8a that surrounds planetary gear reducing mechanism; Thereby can effectively prevent the leakage that scatters of planetary gear reducing mechanism when running lubricant grease, and guarantee lubricant grease efficient circulation for a long time, strengthened the running usefulness of planetary gear reducing mechanism greatly; Thereby prolonged the useful life of this type of motor, improved its behavior in service.
the foregoing description certainly only are explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.The all spirit of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (6)
1. roller motor of stopping; Comprise main shaft (1), be installed in wheel hub shell (2) on the main shaft (1), be fixed on the wheel hub end housing (3) of wheel hub shell (2) one sides and be located at stator (4) and the rotor (5) in the wheel hub shell (2); Wherein stator (4) is fixed on the stator support (6); And stator support (6) is fixed on the main shaft (1); Said rotor (5) links to each other with planetary gear reducing mechanism, and planetary gear reducing mechanism links to each other with wheel hub end housing (3) through clutch (7); Also comprise and the fixing gear box cover (8) of stator support (6); It is characterized in that forming on the said gear box cover (8) oil baffle (8a) that surrounds said planetary gear reducing mechanism.
2. the roller according to claim 1 motor of stopping; It is characterized in that the oil baffle (8a) on the said gear box cover (8) extends to wheel hub end housing (3), make said gear box cover (8), oil baffle (8a) and wheel hub end housing (3) surround the retaining oil space of formation closed planetary gear reduction jointly.
3. the roller according to claim 1 and 2 motor of stopping; It is characterized in that stator (4) and rotor (5) adopt the external stator inner rotor core; Said planetary gear reducing mechanism comprises and the fixing axis (9) of rotor (5); Some planetary gears (11) of being located at the middle shaft gear (10) on the axis (9) and meshing with middle shaft gear (10); Also comprise planet axis (12), said planetary gear (11) is assembled on the planet axis (12), and planet axis (12) then is fixed on the gear box cover (8); Said gear box cover (8) is arranged between rotor (5) and the shaft gear (10), which is provided with the axis hole that supplies axis (9) to pass.
4. the roller according to claim 3 motor of stopping is characterized in that being arranged with on the said axis (9) oil sealing (13) of the axis hole on the shutoff gear box cover (8).
5. the roller according to claim 3 motor of stopping; It is characterized in that said planetary gear (11) is a duplicate gear, and said clutch (7) is a free wheeling sprag clutch, it comprises outer ring (7a) and inner ring (7b); Said outer ring (7a) is fixing with wheel hub end housing (3); And form ring gear (14) on the inner edge of inner ring (7b), and gear wheel in the said duplicate gear (11a) and middle shaft gear (10) engagement, pinion (11b) then meshes with ring gear (14).
6. the roller according to claim 3 motor of stopping, it is characterized in that said in shaft gear (10) and planetary gear (11) be helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101876199A CN102684378A (en) | 2012-06-08 | 2012-06-08 | Roller brake motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101876199A CN102684378A (en) | 2012-06-08 | 2012-06-08 | Roller brake motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102684378A true CN102684378A (en) | 2012-09-19 |
Family
ID=46815892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101876199A Pending CN102684378A (en) | 2012-06-08 | 2012-06-08 | Roller brake motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102684378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112863A (en) * | 2019-03-19 | 2019-08-09 | 王召伟 | A kind of band concentric gear brushless motor |
| CN110277877A (en) * | 2018-03-16 | 2019-09-24 | 日本电产株式会社 | Driving device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783611Y (en) * | 2005-03-31 | 2006-05-24 | 宁波骏腾国际工贸有限公司 | Hub motor |
| CN201298774Y (en) * | 2008-11-21 | 2009-08-26 | 李妮 | Planetary automatic speed-changing hub motor |
| CN201393133Y (en) * | 2009-04-17 | 2010-01-27 | 宁波北斗科技有限公司 | Speed reduction motor for electric vehicles |
| CN202634178U (en) * | 2012-06-08 | 2012-12-26 | 苏州八方电机科技有限公司 | Roller brake motor |
-
2012
- 2012-06-08 CN CN2012101876199A patent/CN102684378A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783611Y (en) * | 2005-03-31 | 2006-05-24 | 宁波骏腾国际工贸有限公司 | Hub motor |
| CN201298774Y (en) * | 2008-11-21 | 2009-08-26 | 李妮 | Planetary automatic speed-changing hub motor |
| CN201393133Y (en) * | 2009-04-17 | 2010-01-27 | 宁波北斗科技有限公司 | Speed reduction motor for electric vehicles |
| CN202634178U (en) * | 2012-06-08 | 2012-12-26 | 苏州八方电机科技有限公司 | Roller brake motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277877A (en) * | 2018-03-16 | 2019-09-24 | 日本电产株式会社 | Driving device |
| CN110277877B (en) * | 2018-03-16 | 2023-07-28 | 日本电产株式会社 | Driving device |
| CN110112863A (en) * | 2019-03-19 | 2019-08-09 | 王召伟 | A kind of band concentric gear brushless motor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |