CN203481999U - Two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gear - Google Patents
Two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gear Download PDFInfo
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- CN203481999U CN203481999U CN201320581567.3U CN201320581567U CN203481999U CN 203481999 U CN203481999 U CN 203481999U CN 201320581567 U CN201320581567 U CN 201320581567U CN 203481999 U CN203481999 U CN 203481999U
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- hand rotation
- fixedly connected
- wheel shaft
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- wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gears. The two-speed electric vehicle driving structure comprises a wheel hub, a wheel axle, a stator fixedly mounted on the wheel axle, and a rotor matched with the stator, wherein the left side of the wheel hub is fixedly connected with a left rotating disc and a left cover, a third bearing is arranged between the left cover and the wheel axle, the left side of the rotor is fixedly connected with a left rotating plate, a fourth bearing is arranged between the left rotating plate and the wheel axle, a high-speed overrunning clutch is arranged between the left rotating plate and the left rotating disc, the right side of the wheel hub is fixedly connected with a right rotating disc and a right cover, a second bearing is arranged between the right cover and the wheel axle, the right side of the rotor is fixedly connected with a right rotating plate, a star-shaped wheel system is arranged between the right rotating plate and the wheel axle, and a low-speed overrunning clutch is arranged between an inner tooth ring on the outer side of the star-shaped wheel system and the right rotating disc. The two-speed electric vehicle driving structure provided by the utility model has the advantages of being strong in gradeability, and saving time and labor.
Description
Technical field
The utility model relates to a kind of electric motor car parts, particularly a kind of motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes.
Background technology
Existing electric bicycle drive wheel mostly is trailing wheel, and its structure comprises the wheel shaft being arranged on vehicle frame, is provided with the stator of drive motors on wheel shaft, is furnished with mutually rotor with stator, and rotor is by bearings on wheel shaft, and rotor is connected with wheel hub.While travelling, electrical power work, rotor banding runner hub rotates.What electric vehicle motor adopted at present is a speed motor or mechanical gear shift motor.The little inadaptable climbing of one speed motor output torque and heavy duty, can only carry out sometimes, wastes time and energy.Mechanical gear shift motor, owing to having adopted mechanical gear shift, complex structure, has gear shift noise, needs backset.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, obviously improve climbing capacity, stop abrupt slope or heavy duty sometimes need the to get off phenomenon carried out, the time saving and energy saving motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes, overcome the deficiencies in the prior art.
The motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes of the present utility model, comprise wheel hub, wheel shaft, be fixedly mounted on the stator on wheel shaft, the rotor matching with stator, in the left side of wheel hub, be fixedly connected with left-hand rotation dish and left cover, between left cover and wheel shaft, be provided with the 3rd bearing, in the left side of rotor, be fixedly connected with left-hand rotation plate, between left-hand rotation plate and wheel shaft, be provided with the 4th bearing, between left-hand rotation plate and left-hand rotation dish, be provided with high speed freewheel clutch, the right side of wheel hub is fixedly connected with right-hand rotation dish and right cover, between right cover and wheel shaft, be provided with the second bearing, on the right side of rotor, be fixedly connected with right-hand rotation plate, between right-hand rotation plate and wheel shaft, be provided with planet gear system, between the ring gear in planet gear system outside and right-hand rotation dish, be provided with low speed freewheel clutch.
Central gear in the middle of described planet gear system is arranged on wheel shaft by clutch shaft bearing, the capable gear of a plurality of stars being meshed with central gear by the capable axle of star and planet gear bearings on fixed disk, fixed disk is fixedly connected on wheel shaft, the ring gear outside being meshed with the capable gear of each star is the inner ring of low speed freewheel clutch, the outer ring of low speed freewheel clutch is fixedly connected with right-hand rotation dish, and described central gear is fixedly connected with described right-hand rotation plate; The inner ring of described high speed freewheel clutch is fixedly connected with left-hand rotation plate, and the outer ring of high speed freewheel clutch is fixedly connected with left-hand rotation dish.
The motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes of the present utility model, during normal operation, to drive motors, energising makes its work, rotor forward is rotated, high speed freewheel clutch is in bonding state, drive left-hand rotation dish and wheel hub to rotate, now low speed freewheel clutch due to the effect that has a planet gear system in reversion from state; If while meeting abrupt slope or heavy duty, by switch, control motor reversal, make high speed freewheel clutch in from state, low speed freewheel clutch is in forward engagement state, owing to there being the deceleration of planet gear system, greatly increased power, improved the climbing capacity of electric motor car, without the implementation of getting off, time saving and energy saving.Owing to forming two speed motors without any gearshift with motor positive and inverse gear shift, this electric machine structure is compact, and without backset, machinery-free switches, noiselessness, and reliable, output torque is large, adapts to climbing and load-bearing.Economize on electricity, economic and practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment (analysing and observe along the B-B shown in Fig. 2);
Fig. 2 is the cross-sectional schematic of A-A shown in Fig. 1.
Embodiment
As shown in Figure 1, 2: 22 wheel hubs that are electric bicycle drive wheel, 3 for being arranged on the driving wheel wheel shaft on vehicle frame, and 11 for being fixedly mounted on the stator of the composition motor on wheel shaft 3, and after installation, wheel shaft 3 is fixed on vehicle frame with stator 11, during operation, does not rotate.Be furnished with mutually with stator 11 rotor 10 that forms motor.
The screw that passes on left at wheel hub 22 is fixedly connected with left-hand rotation dish 12 and left cover 14, is provided with the 3rd bearing 16 between the centre bore of left cover 14 and wheel shaft 3, and left-hand rotation is coiled 12 centre bores and is sleeved on wheel shaft 3 outsides.The screw that passes on left at rotor 10 is fixedly connected with left-hand rotation plate 13, between the centre bore of left-hand rotation plate 13 and wheel shaft 3, be provided with the 4th bearing 17, between left-hand rotation plate 13 and left-hand rotation dish 12, be provided with high speed freewheel clutch 15, the inner ring of high speed freewheel clutch 15 and left-hand rotation plate 13 are bolted to connection, and the outer ring of high speed freewheel clutch 15 and left-hand rotation dish 12 are bolted to connection.
Right side at wheel hub 22 is fixedly connected with right-hand rotation dish 8 and right cover 4 by screw, between the centre bore of right cover 4 and wheel shaft 3, be provided with the second bearing 2, right side at rotor 10 is fixedly connected with right-hand rotation plate 9 by screw, between right-hand rotation plate 9 and wheel shaft 3, be provided with planet gear system, central gear 21 in the middle of planet gear system is arranged on wheel shaft 3 by clutch shaft bearing 1, three capable gears 20 of star that distribute by even circumferential that are meshed with central gear 21 are supported on fixed disk 5 and fixed head 18 by the capable axle 6 of star and planet gear bearing 19, the capable gear 20 of each star is between fixed head 18 and fixed disk 5, fixed disk 5 is fixedly connected on wheel shaft 3 by key.The ring gear outside being meshed with the capable gear 20 of each star is the inner ring of low speed freewheel clutch 7, between the outer ring of low speed freewheel clutch 7 and right-hand rotation dish 8, by screw, is fixedly connected with.Central gear 21 and right-hand rotation plate 9 are fixedly connected with by three and the connecting bolt axle 23 that distributes along even circumferential.Between right cover 4 and left cover 14 and wheel shaft 3, be equipped with O-ring seal.
The motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes of the present utility model, during normal operation, by switch, to drive motors, energising makes its work, rotor 10 forwards are rotated, high speed freewheel clutch 15 is in bonding state, drive left-hand rotation dish 12 and wheel hub 22 to rotate, now low bundle freewheel clutch 7 due to the effect that has a planet gear system in reversion from state; If while meeting abrupt slope or heavy duty, by switch, control motor reversal, make high speed freewheel clutch 15 in from state, low speed freewheel clutch 7 is in forward engagement state, owing to there being the deceleration of planet gear system, greatly increased power, improved the climbing capacity of electric motor car, without the implementation of getting off, time saving and energy saving.The rotation of low speed freewheel clutch 7 inner rings is driven by rotor 10, and first rotor 10 rotates outside ring gear (being the inner ring of the low speed freewheel clutch 7) rotation driving in right-hand rotation plate 9, central gear 21, the capable gear 20 of star, planet gear system.
Claims (2)
1. one kind is utilized motor positive and inverse gearshift two-speed driving structure of electric vehicle, comprise wheel hub (22), wheel shaft (3), be fixedly mounted on the stator (11) on wheel shaft (3), the rotor (10) matching with stator (11), it is characterized in that: in the left side of wheel hub (22), be fixedly connected with left-hand rotation dish (12) and left cover (14), between left cover (14) and wheel shaft (3), be provided with the 3rd bearing (16), in the left side of rotor (10), be fixedly connected with left-hand rotation plate (13), between left-hand rotation plate (13) and wheel shaft (3), be provided with the 4th bearing (17), between left-hand rotation plate (13) and left-hand rotation dish (12), be provided with high speed freewheel clutch (15), the right side of wheel hub (22) is fixedly connected with right-hand rotation dish (8) and right cover (4), between right cover (4) and wheel shaft (3), be provided with the second bearing (2), on the right side of rotor (10), be fixedly connected with right-hand rotation plate (9), between right-hand rotation plate (9) and wheel shaft (3), be provided with planet gear system, between the ring gear in planet gear system outside and right-hand rotation dish (8), be provided with low speed freewheel clutch (7).
2. the motor positive and inverse gearshift two-speed driving structure of electric vehicle that utilizes according to claim 1, it is characterized in that: the central gear (21) in the middle of described planet gear system is arranged on wheel shaft (3) by clutch shaft bearing (1), the capable gear of a plurality of stars (20) being meshed with central gear (21) is supported on fixed disk (5) by the capable axle of star (6) and planet gear bearing (19), fixed disk (5) is fixedly connected on wheel shaft (3), the ring gear outside being meshed with the capable gear of each star (20) is the inner ring of low speed freewheel clutch (7), the outer ring of low speed freewheel clutch (7) is fixedly connected with right-hand rotation dish (8), described central gear (21) is fixedly connected with described right-hand rotation plate (9), the inner ring of described high speed freewheel clutch (15) is fixedly connected with left-hand rotation plate (13), and the outer ring of high speed freewheel clutch (15) is fixedly connected with left-hand rotation dish (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581567.3U CN203481999U (en) | 2013-09-22 | 2013-09-22 | Two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581567.3U CN203481999U (en) | 2013-09-22 | 2013-09-22 | Two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481999U true CN203481999U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320581567.3U Expired - Fee Related CN203481999U (en) | 2013-09-22 | 2013-09-22 | Two-speed electric vehicle driving structure utilizing motor positive and inverse rotation to shift gear |
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| Country | Link |
|---|---|
| CN (1) | CN203481999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584291A (en) * | 2016-01-31 | 2016-05-18 | 杭州速控软件有限公司 | Electric balance vehicle hub structure |
-
2013
- 2013-09-22 CN CN201320581567.3U patent/CN203481999U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584291A (en) * | 2016-01-31 | 2016-05-18 | 杭州速控软件有限公司 | Electric balance vehicle 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: 20140312 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |