CN206175577U - Synchronous gearshift of electric motor car - Google Patents
Synchronous gearshift of electric motor car Download PDFInfo
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- CN206175577U CN206175577U CN201621223898.XU CN201621223898U CN206175577U CN 206175577 U CN206175577 U CN 206175577U CN 201621223898 U CN201621223898 U CN 201621223898U CN 206175577 U CN206175577 U CN 206175577U
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- clutch collar
- gear wheel
- gear
- output shaft
- pinion
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Abstract
The utility model discloses a synchronous gearshift of electric motor car, the problem of current gearshift's transmission stability poor is solved, the setting is between input shaft and output shaft, be fixed with main gear wheel and main pinion on the input shaft coaxially, cup jointed by the gear wheel with by the pinion to coaxial interval on the output shaft, by gear wheel and can be for output shaft circumferential direction by the pinion, the main pinion with by large gear, the main gear wheel with by little gear engagement, in be equipped with the driving center by the pinion with between by the gear wheel on the output shaft, cup joint the clutch collar in the periphery of driving center, clutch collar and driving center circumference transmission hookup, the both ends of clutch collar and by the pinion with be equipped with the terminal surface transmission structure of separation and reunion formula between the gear wheel respectively, the clutch collar couples with the pushing mechanism transmission in the outside, and pushing mechanism is used for promoting clutch collar axial motion to realize the clutch collar and couple by the pinion or by the transmission between the gear wheel.
Description
Technical field
This utility model belongs to mechanical power transmission field, more particularly to a kind of for entering to the transfer motion power of electric motor car
The gearshift of row gear shift transmission.
Background technology
Utility model patent(CN 205503962U)In disclose a kind of electric vehicle motor electric shift mechanism, including electricity
Machine input shaft, reducing gear and power take-off mechanism, arrange a set of shifter, shifter bag on described reducing gear
Gear shift tooth axle, lazy-tongs and claw are included, the driving means of shifter are additionally provided with described reducing gear, it is described
Driving means include direct current generator and drive mechanism, and the input of drive mechanism is connected with the outfan of direct current generator, driver
The outfan of structure is provided with driver chuck, and driver chuck coordinates with the dead man on lazy-tongs;Described direct current generator and electric vehicle motor
Main controller circuit connects, and this utility model realizes the operation conditions of monitoring electric motor car by controller, and by driving means
Electric gear is realized, concrete structure is reasonable, easy to use, the characteristics of safe and reliable.
This electric motor car gearshift can not be well adapted for power output requirement, and stability during gear shift is relative
It is poor.
Utility model content
This utility model technical issues that need to address:A kind of electric car synchronous gearshift is provided, the gearshift
Good operating stability.
To solve the technical problem, the technical solution of the utility model:A kind of electric car synchronous gearshift, is arranged on
Between input shaft and output shaft, main gear wheel and main pinion are coaxially fixed with input shaft, coaxial spaced ground on output shaft
Be socketed with by gear wheel and by little gear, can circumferentially rotate relative to output shaft by gear wheel and by little gear, main pinion with
Engaged by gear wheel, main gear wheel with engaged by little gear, it is characterised in that in by little gear and by gear wheel on output shaft
Between be provided with driving center;Clutch collar is socketed in the periphery of driving center, clutch collar and driving center circumference driving coupling, the two of clutch collar
End and it is respectively equipped with by little gear and between gear wheel the facing drive structure of disengaging type;Clutch collar and the pushing mechanism in outside
Driving coupling, pushing mechanism is used to promote clutch collar axially-movable, to realize clutch collar and by little gear or by between gear wheel
Driving coupling.The statement of described gear wheel and little gear is embodied in their diameter, by gear wheel and little
Gear can be circumferentially rotated relative to output shaft, refer to that they, when power transmission is not involved in, can dally on output shaft, quilt
Gear wheel and by bearing is typically provided between little gear and output shaft realizing their idle running on output shaft.In low speed
When, main pinion and realized between gear wheel power transmit, during high speed, main gear wheel and realized between little gear power pass
Pass.
Further, described pushing mechanism includes electric magnet, and the electric magnet first line of a couplet is connected to push rod, and the push rod first line of a couplet is connected to be dialled
Fork, shift fork is with gap in cannelure of the fork-join on clutch collar outer peripheral face.Realize that push rod drives by the energization of electric magnet to dial
The motion of fork is driven realizing gear shift, and simple structure, response are rapid, and using the electric power of electric motor car itself electric magnet is realized
Work, it is easy to control.
Further, described pushing mechanism includes motor, and on motor line shaft shift fork is threaded with, and dials
Fork is with gap in cannelure of the fork-join on clutch collar outer peripheral face.When motor line shaft is rotated, because the restriction of shift fork is made
With, and shift fork axially-movable on the line shaft is caused, and then cause clutch collar that axially-movable occurs, realize gear shift, structure letter
It is single, it is convenient for control.
Further, described facing drive structure includes the synchronous ring located at clutch collar end, synchronous interannular unoccupied place set
Be connected on output shaft, under the drive of pushing mechanism, clutch collar is used to promote synchronous ring axially-movable, and make clutch collar with it is synchronous
Ring realizes circumferential transmission, synchronous ring with some conjunction gears for engaging are provided between the opposite end face of gear.By arranging
Synchronous ring can effectively improve the job stability of facing drive structure as the middle transition part of transmission.
Further, in the plush copper for being provided with frustoconical towards on the end face of clutch collar by gear, be provided with synchronous ring with
The mating cavity of the consistent frustoconical of plush copper taper, the internal face of mating cavity is used to be close to close with plush copper outer peripheral face.It is described here
Really included by gear by gear wheel and by little gear, by arranging described plush copper and mating cavity, further improve
The job stability of facing drive structure.
Further, some uniform annular stricture of vaginas are provided with the internal face of mating cavity, annular stricture of vagina is perpendicular to synchronous ring
Axis.Annular stricture of vagina is provided with, the surface roughness of mating cavity internal face can be effectively increased, be easy between synchronous ring and plush copper
Progressively it is driven.
Further, the oil storage mouth intersected with annular stricture of vagina is provided with the internal face of mating cavity.Ordinary circumstance, this gear shift dress
Need to fill lubricating oil on the drive mechanism put, being particularly between input shaft and output shaft, coordinate tight in mating cavity and plush copper
Afterwards, it is to ensure the stable drive between them, lubricating oil can reduce on the contrary the frictional force between them, by arranging oil storage mouth,
Particularly oil storage mouth lead to synchronous annulate shaft to outside, it is possible to reduce lubricating oil between mating cavity internal face and plush copper outer peripheral face
Amount, improves synchronous ring and accordingly by the transmission stability between gear.
Further, trundle is provided with clutch collar, is provided with the wall body of synchronous ring for matching somebody with somebody with trundle grafting
The transmission mouth of conjunction.Stablizing when clutch collar, synchronous ring are realized by arranging trundle and being accordingly driven between gear three
Property, make their threes become an overall drive disk assembly in whole drive line, it is ensured that working stability when three is driven
Property.
Further, trapezoidal interface, the medium position of trundle length direction are provided with the internal face of clutch collar
Integrally formed with trapezoidal convex body, convex body is plugged on gap in interface at place.Connect for floating type being arranged on equivalent to trundle
On the internal face of trap, by the cooperation of the convex body and interface so that trundle participate in transmission when, with certain activity
Surplus, is easy to trundle in gearshift procedure, can patch to stability in relative rotational motion and be connected on synchronous ring
Transmission mouth in.
Further, the jump ring in clutch collar is crimped on trundle on the internal face of clutch collar.By annular
Jump ring coordinates above-mentioned interface and convex body so that trundle basis stable on the engaging sleeve realizing the crimping to trundle
On, trundle has certain activity surplus, is easy to trundle to coordinate with the grafting of transmission mouth.
Therefore, the beneficial effects of the utility model:This synchronized shifting device is applied in electric motor car, realizes that electric motor car is expert at
Gear shift during car, by different-diameter master, by the meshing relation between gear so that electric motor car under actual operating mode,
The transmission of low-speed big, high speed low torque can effectively be realized.Spaced engagement is provided between gear at two
Set, clutch collar receives the promotion of pushing mechanism and moves in the axial direction, realizes the driving coupling of different facing drive structures, and makes
Obtain the transmission that power realizes not synchronized ratio between output shaft and input shaft.The good operating stability of this synchronized shifting device, just
In the control for realizing gear shift.
Description of the drawings
Fig. 1 is a kind of axonometric chart of embodiment of this electric car synchronous gearshift.
Fig. 2 is a kind of longitudinal sectional view of embodiment of this electric car synchronous gearshift.
Fig. 3 is the axonometric chart of this electric car synchronous gearshift another embodiment.
Fig. 4 is the longitudinal sectional view of this electric car synchronous gearshift another embodiment.
Fig. 5 is the A portions amplification assumption diagram in Fig. 4.
Fig. 6 is the dispersed structure figure of structure at position of output axle.
Specific embodiment
In seeing figure, this electric car synchronous gearshift is arranged between input shaft 12 and output shaft 43, based on input shaft 12
The power output shaft of motor 1, output shaft 43 is the power part of whole gearshift.
Coaxially be fixed with main gear wheel 13 and main pinion 11 on input shaft 12, main gear wheel 13 it is little with diameter greater than master
The diameter of gear 11;Correspondingly, coaxial spaced it is socketed with by gear wheel 41 and by little gear 42, by gear wheel on output shaft 43
41 with diameter greater than by the diameter of little gear 42.Main pinion 11 with engaged by gear wheel 41, main gear wheel 13 with by little gear
42 engagements.Can circumferentially rotate relative to output shaft 43 by gear wheel 41 and by little gear 42, they can generally by bearing
Rotationally it is socketed on output shaft 43.In being provided with by little gear 42 and between gear wheel 41 driving center 45 on output shaft 43,
Driving center 45 is realized and the circumferentially fixed ground driving coupling of output shaft 43 generally by spline structure.
The circumferential play ground socket clutch collar 44 of driving center 45, is capable of achieving circumferential transmission between clutch collar 44 and driving center 45
Connection.The two ends of clutch collar 44 and it is respectively equipped with by little gear 42 and between the end face of gear wheel 41 facing drive of disengaging type
Structure.Pushing mechanism, clutch collar 44 and pushing mechanism driving coupling are provided with the outside of clutch collar 44, pushing mechanism is used to promote
The axially-movable of clutch collar 44, to realize clutch collar 44 and by little gear 42 or by the driving coupling between gear wheel 41.
A kind of pushing mechanism of embodiment is electric magnet 2, and the first line of a couplet of electric magnet 2 is connected to push rod 21, and the first line of a couplet of push rod 21 is connected to
Shift fork 3, shift fork 3 is with gap in cannelure of the fork-join on the outer peripheral face of clutch collar 44.Lead to the electric current of different directions on electric magnet 2
Afterwards so that electric magnet 2 is moved by the drive shift fork 3 of push rod 21, and then drives the axially-movable of clutch collar 44.
The pushing mechanism of another embodiment is motor 22, and on the line shaft of motor 22 shift fork is threaded with
3, shift fork 3 is with gap in cannelure of the fork-join on the outer peripheral face of clutch collar 44.Promoted by the rotation of the line shaft of motor 22
The motion of shift fork 3 is made, and then drives the axially-movable of clutch collar 44.
Facing drive structure includes the synchronous ring 47 located at the end of clutch collar 44, and synchronous ring 47 is socketed in gap output shaft
On 43, under the drive of pushing mechanism, clutch collar 44 is used to promote the axially-movable of synchronous ring 47, and makes clutch collar 44 with synchronous ring
47 realize circumferential transmission, and some conjunction gears for engagement are provided between synchronous ring 47 and the corresponding end face mutually close by gear
471.After conjunction gear 471 on both is engaged, it is possible to achieve power is transmitted with which kind of fast ratio.
To improve synchronous ring 47 and by the transmission stability between gear, being set towards on the end face of clutch collar 44 by gear
There is the plush copper 48 of frustoconical.The mating cavity of the frustoconical consistent with the taper of plush copper 48 is provided with synchronous ring 47, completes steady
When being driven surely, the outer peripheral face of the internal face plush copper 48 of mating cavity is close to close.
Some annular stricture of vaginas are machined with the internal face of mating cavity, annular stricture of vagina is perpendicular to the axis of synchronous ring 47, and these are annular
Stricture of vagina is uniform in the axial direction of synchronous ring 47.For ease of in synchronous ring 47 and during 48 tight fit of plush copper, stable transmission between the two
Property, the multiple oil storage mouths intersected with annular stricture of vagina are provided with the internal face of mating cavity, these oil storage mouths lead into synchronous ring 47
It is axially external.
Clutch collar 44 is circumferentially fixed with driving center 45, and the circumferentially fixed of both is by the inner circumferential of clutch collar 44
Realize to the trundle 46 for arranging, and, trundle 46 can also realize the circumferential biography between driving center 45 and synchronous ring 47
It is dynamic, the transmission mouth 472 for coordinating with the grafting of trundle 46 is specifically provided with the wall body of synchronous ring 47, realizing transmission
When, the grafting of trundle 46 coordinates in transmission mouth 472.
Trundle 46 is usually to be arranged in clutch collar 44 in floating manner, the jump ring 49 in clutch collar 44
Trundle 46 is crimped on the internal face of clutch collar 44.Trapezoidal interface 50 is provided with the internal face of clutch collar 44, is passed
Integrally formed with trapezoidal convex body 461 at the medium position of the length direction of dynamic pin 46, convex body 461 is plugged on gap interface 50
It is interior.
The synchronized shifting device of two gear shifts is shown in accompanying drawing, in actual application, can be by several groups of figures of connecting
In device, difference group devices transmission speed ratios have difference, so as to be capable of achieving many gear shifts.Every group of device is corresponding to a promotion
Mechanism, this requires that 45 liang of driving center should be enough to ensure that by gear wheel 41 and by the interval between little gear 42 on output shaft 43
The facing drive structure at end is at idling conditions, so that corresponding group is not involved in power transmission process.It is being provided with
In the case of three groups of this synchronized shifting devices, wherein there is reverse gear function in initial one group, using the reversion of mair motor 1, and
Realize the reversing of electric motor car.This synchronized shifting device is usually to apply on electro-tricycle, existing common electronic two wheel one
As very be adapted to application.
It is shown that the gearshift of two-level, by shift fork 3 axially-movable of clutch collar 44 is driven in Figure of description,
Clutch collar 44 promotes synchronous ring 47, by the direction motion of gear, synchronous ring 47 is pressed together with plush copper 48 towards accordingly, and
Realize the transmission of power.The facing drive structure of the opposite side of clutch collar 44 is in released state, is also under inversion condition thus, making
Obtain power to switch between different transmission speed ratios.
Claims (10)
1. a kind of electric car synchronous gearshift, is arranged between input shaft and output shaft, and master is coaxially fixed with input shaft
Gear wheel and main pinion, are socketed with to coaxial spaced by gear wheel and by little gear, by gear wheel and by little tooth on output shaft
Wheel can circumferentially rotate relative to output shaft, main pinion with engaged by gear wheel, main gear wheel with engaged by little gear, its feature
It is, in being provided with by little gear and between gear wheel driving center on output shaft;Clutch collar is socketed in the periphery of driving center, is connect
Trap is with driving center circumference driving coupling, the two ends of clutch collar and by little gear and disengaging type is respectively equipped between gear wheel
Facing drive structure;Clutch collar and the pushing mechanism driving coupling in outside, pushing mechanism is used to promote clutch collar axially-movable, with
Realize clutch collar and by little gear or by the driving coupling between gear wheel.
2. gearshift according to claim 1, it is characterised in that described pushing mechanism includes electric magnet, electric magnet
The first line of a couplet is connected to push rod, and the push rod first line of a couplet is connected to shift fork, and shift fork is with gap in cannelure of the fork-join on clutch collar outer peripheral face.
3. gearshift according to claim 1, it is characterised in that described pushing mechanism includes motor, stepping
Shift fork is threaded with motor power axle, shift fork is with gap in cannelure of the fork-join on clutch collar outer peripheral face.
4. the gearshift according to claim 1,2 or 3, it is characterised in that described facing drive structure includes being located at
The synchronous ring of clutch collar end, synchronous interannular unoccupied place is socketed on output shaft, and under the drive of pushing mechanism, clutch collar is used to push away
Dynamic synchronization ring axially-movable, and clutch collar is made with the circumferential transmission of synchronous ring realization, synchronous ring and by between the opposite end face of gear
It is provided with some conjunction gears for engagement.
5. gearshift according to claim 4, it is characterised in that cut being provided with towards on the end face of clutch collar by gear
The plush copper of nose cone shape, is provided with the mating cavity of the frustoconical consistent with plush copper taper in synchronous ring, the internal face of mating cavity is used for
It is close to close with plush copper outer peripheral face.
6. gearshift according to claim 5, it is characterised in that be provided with some uniform on the internal face of mating cavity
Annular stricture of vagina, axis of the annular stricture of vagina perpendicular to synchronous ring.
7. gearshift according to claim 6, it is characterised in that be provided with the internal face of mating cavity and annular stricture of vagina phase
The oil storage mouth of friendship.
8. gearshift according to claim 4, it is characterised in that trundle is provided with clutch collar, in synchronous ring
Wall body is provided with the transmission mouth for coordinating with trundle grafting.
9. gearshift according to claim 8, it is characterised in that trapezoidal connecing is provided with the internal face of clutch collar
Mouthful, integrally formed with trapezoidal convex body at the medium position of trundle length direction, convex body is plugged on gap in interface.
10. gearshift according to claim 9, it is characterised in that the jump ring in clutch collar crimps trundle
On the internal face of clutch collar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621223898.XU CN206175577U (en) | 2016-11-15 | 2016-11-15 | Synchronous gearshift of electric motor car |
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CN201621223898.XU CN206175577U (en) | 2016-11-15 | 2016-11-15 | Synchronous gearshift of electric motor car |
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CN206175577U true CN206175577U (en) | 2017-05-17 |
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CN201621223898.XU Active CN206175577U (en) | 2016-11-15 | 2016-11-15 | Synchronous gearshift of electric motor car |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110360312A (en) * | 2018-03-26 | 2019-10-22 | 爱信Ai株式会社 | Power-transmission system |
CN110360277A (en) * | 2018-03-26 | 2019-10-22 | 爱信Ai株式会社 | Speed changer |
-
2016
- 2016-11-15 CN CN201621223898.XU patent/CN206175577U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110360312A (en) * | 2018-03-26 | 2019-10-22 | 爱信Ai株式会社 | Power-transmission system |
CN110360277A (en) * | 2018-03-26 | 2019-10-22 | 爱信Ai株式会社 | Speed changer |
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