CN109357005A - A kind of electric vehicle two-shift automatic variable speed case - Google Patents
A kind of electric vehicle two-shift automatic variable speed case Download PDFInfo
- Publication number
- CN109357005A CN109357005A CN201811355416.XA CN201811355416A CN109357005A CN 109357005 A CN109357005 A CN 109357005A CN 201811355416 A CN201811355416 A CN 201811355416A CN 109357005 A CN109357005 A CN 109357005A
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- Prior art keywords
- shift
- shift fork
- variable speed
- shaft
- automatic variable
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- 230000008859 change Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 12
- 230000009194 climbing Effects 0.000 abstract description 5
- 230000000979 retarding effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Friction Gearing (AREA)
Abstract
A kind of electric vehicle two-shift automatic variable speed case, including cabinet and the speed change system that box house is arranged in, the speed change system includes input module and shift assembly, the input module includes input shaft, intermediate shifting shaft and output shaft, the shift assembly includes guiding axis, shift fork axle, bottom gear contact sensor, top gear contact sensor, ballscrew shaft between the guiding axis and shift fork axle is set, and shift motor and is set in the guide pad on the ballscrew shaft by spiral at the shift fork and limiting device being arranged in shift fork axle.Two kinds of reduction ratio of the invention, big retarding ratio meet climbing demand；Small reduction ratio is provided with higher speed normally travel；Two kinds of reduction ratio respectively correspond two gears, are automatically switched by electric-control system according to vehicle condition, are not necessarily to manual operation；Electric energy can be effectively saved using two-shift automatic variable speed case, improves the course continuation mileage of electric car.
Description
Technical field
The present invention relates to vehicle speed control unit fields, and in particular to a kind of electric vehicle two-shift automatic variable speed case.
Background technique
Current low-speed electronic automobile uses the gearbox of single-stage, i.e. only one gear, that is to say, that only one kind
Reduction ratio, if reduction ratio is big, climbing capacity is strong, but max. speed does not increase；If reduction ratio is small, max. speed gets on
, but climbing capacity is low.The two-shift automatic variable speed case that the electric vehicle of 3-5kw motor is not adapted in the market is carried at present.It is existing
Some gearboxes are more due to participating in gear shift original part quantity, and transmitting power is complicated, the rate of breakdown of gearshift increased, in snail
Worm and gear, cam mechanism design and manufacture on there is also product quality hidden danger, and worm and gear, cam mechanism difficulty of processing are big,
Manufacturing cost is high.In addition, due to accuracy of manufacture factor or after being used for a long time, cam mechanism occurred cam mechanism in gear shift
, always there is gap, thus the phenomenon for being easy to cause gear shift not in place in degree abrasion.
Therefore solves the problems, such as it is this kind of be particularly important, this technology be the gearshift to gearbox design with
It pays attention to and solves the problems, such as in use.
Summary of the invention
In view of the above problems, the present invention provides a kind of electric vehicle two-shift automatic variable speed case.
The technical solution of the invention is as follows: a kind of electric vehicle two-shift automatic variable speed case, including cabinet and setting are in cabinet
Internal speed change system, the speed change system include input module and shift assembly, and the input module includes input shaft, intermediate
Shifting shaft and output shaft, the shift assembly include guiding axis, shift fork axle, bottom gear contact sensor, top gear contact sense
Device, is arranged in the ballscrew shaft between the guiding axis and shift fork axle, and the shift fork in shift fork axle and limit is arranged in shift motor
Position and is set in the guide pad on the ballscrew shaft by spiral at device.
A further improvement of the present invention is that: the intermediate shifting shaft setting the input shaft and the output shaft it
Between, realization power transmission is attached by gear between three, place input shaft connects main motor by connection spline, described
The front axle or rear axis connection of output shaft and exterior vehicle carry out power transmission.
A further improvement of the present invention is that: the cabinet includes left box body and right case, and the left box body, which is equipped with, to be used
The mounting hole of the main motor is connected in connection spline, the top structure shape of each component of the speed change system is corresponded on the cabinet
Shape concave-convex surface.
A further improvement of the present invention is that: the bottom gear contact sensor and top gear contact sensor pass through screw hole
It is respectively fixedly disposed on the right case and the left box body with bolt.
A further improvement of the present invention is that: the limiting device includes steel ball, limit spring and is successively set on described
The top gear position groove of shift fork axle upper end, neutral gear position groove and bottom gear position groove, the steel ball is according to changing at that time
Gear state is placed in corresponding position groove under the active force of limit spring, and described limit spring one end is connected with limit
Bolt.
A further improvement of the present invention is that: the upper and lower ends of the guide pad are fixed with convex block, wherein upper protruding block
It is equipped with upslope face, lower protruding block is equipped with oblique slope surface, and the upslope face and the oblique slope surface respectively correspond described low
Speed gear contact sensor and top gear contact sensor.
A further improvement of the present invention is that: the guide pad side connects the guiding axis, the axle sleeve by axle sleeve
To be set on the guiding axis, the other side connects the shift fork.
A further improvement of the present invention is that: the shift fork includes interconnecting piece and actuating arm, and the interconnecting piece passes through through-hole
Set is through in the shift fork axle and is fixed by the way that fixture block is arranged, and it is described for connecting that connector is additionally provided on the interconnecting piece
Guide pad, the actuating arm are divided into two sections and set up separately in semicircle ring structure in the left and right sides of the interconnecting piece.
A further improvement of the present invention is that: the bottom of the guide pad is equipped with pedestal, the both ends of the guiding leading screw axis
It is equipped with bearing.
The present invention provides a kind of electric vehicle two-shift automatic variable speed case, connects external impetus by the connection spline on input shaft
Main motor accesses power to gearbox, and input shaft delivers power to intermediate shifting shaft by gear, then passes through intermediate shifting shaft
On gear be transmitted to output shaft, output shaft is connected with exterior vehicle front axle or rear axle, and power is transmitted to vehicle and is travelled.
Using guiding axis, ballscrew shaft, shift fork axle executes gear switch, drives shift fork that centre is changed using guide pad
Gear shaft switches different gears to transmit different torques, meets the different duty requirements of vehicle.
The rotation for above ballscrew shaft and controlling ballscrew shaft is arranged in shift motor, and ballscrew shaft is in gear shift electricity
Dextrorotation under the drive of machine, under the constraint of guiding axis, guide pad moves straight up, and shift fork and shift fork axle is driven to move straight up
It is dynamic, since caging bolt is stuck at the cabinet bumps of gearbox, it is kept fixed posture, when shift fork axle moves up, shift fork is stirred
Gear on intermediate shifting shaft is engaged to low or first gear, and the upslope face on guide pad upper protruding block pushes low or first gear contact sense at this time
Device, low or first gear contact sensor is connected, and sends signal and gear shifting motor is stopped working, and shift fork also stops working at this time, this
Shi Gangqiu is stuck in the groove of low or first gear position under limit spring active force, prevents from losing rank, and gearbox is in low or first gear work at this time
Make state；
Ballscrew shaft is left-handed under the drive of gear shifting motor, and under the constraint of guiding axis, guide pad moves straight down, drives
Shift fork and shift fork axle move straight down, stir the gear on intermediate shifting shaft and are engaged to top gear, at this time guide pad lower protruding block
On oblique slope surface push top gear contact sensor, top gear contact sensor is connected, and subsequent signal stops gear shifting motor
It only works, shift fork also stops working at this time, and steel ball is stuck in high range position groove under limit spring active force at this time, prevents
It loses rank, gearbox is in top gear working condition at this time.
The beneficial effects of the present invention are: (1) two kind of reduction ratio, big retarding ratio meet climbing demand；Small reduction ratio be provided with compared with
High speed normally travel；
(2) two kinds of reduction ratio respectively correspond two gears, are automatically switched by electric-control system according to vehicle condition, are not necessarily to manual operation；
(3) electric energy can be effectively saved using two-shift automatic variable speed case, improves the course continuation mileage of electric car；
(4) workload for reducing other parts of electric-control system, extends the service life of each component of electric-control system；
(5) shift of transmission is judged in place using contact sensor and issuing signal to shift motor stops gear shifting action, letter
The structure of shift is changed, while significantly having improved shift of transmission accuracy of action and reliability again, has had very wide
Application prospect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of shift assembly in the present invention；
Fig. 3 is shifting fork structure schematic diagram in the present invention；
Fig. 4 is the working principle of the invention figure；
Wherein: 1- input shaft, the centre 2- shifting shaft, 3- output shaft, 4- guiding axis, 5- shift fork axle, 6- bottom gear contact sensor,
7- top gear contact sensor, 8- ballscrew shaft, 9- shift motor, 10- shift fork, 101- interconnecting piece, 102- actuating arm, 11-
Spiral, 12- guide pad, 13- gear, 14- connection spline, 15- main motor, 16- front axle, 17- left box body, 18- right case, 19-
Connector, 20- steel ball, 21- limit spring, 22- top gear position groove, 23- neutral gear position groove, 24- bottom gear position are recessed
Slot, 25- caging bolt, 26- upper protruding block, 27- upslope face, 28- lower protruding block, the oblique slope surface of 29-, 30- axle sleeve, 31- fixture block,
32- pedestal, 33- bearing.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and is further retouched in detail
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Such as figure, the present embodiment provides a kind of electric vehicle two-shift automatic variable speed casees, and including cabinet and box house is arranged in
Speed change system, the speed change system include input module and shift assembly, and the input module includes input shaft 1, centre shift
Axis 2 and output shaft 3, the shift assembly include guiding axis 4, shift fork axle 5, bottom gear contact sensor 6, top gear contact sense
The ballscrew shaft 8 between the guiding axis 4 and shift fork axle 5, the shift motor that control ballscrew shaft 8 rotates is arranged in device 7
9, the shift fork 10 and limiting device that are arranged in shift fork axle 5 and leading on the ballscrew shaft 8 is set in by spiral 11
To block 12, spiral 11 is arranged on ballscrew shaft 8, and guide pad 12 can be moved up and down according to spiral 11.
The intermediate shifting shaft 2 is arranged between the input shaft 1 and the output shaft 3, passes through gear 13 between three
It is attached realization power transmission, place input shaft 3 connects main motor 15, the output shaft 3 and outside by connection spline 14
The front axle 16(or rear axle of vehicle) connection progress power transmission.The cabinet includes left box body 17 and right case 18, the left side
Cabinet 17, which is equipped with, corresponds to institute for connecting main motor 15 with the corresponding mounting hole of the connection spline 14 on the cabinet
State the top structure shape concave-convex surface of each component of speed change system.
The bottom gear contact sensor 6 and top gear contact sensor 7 are separately positioned on described by screw hole and bolt
On right case 18 and the left box body 17, screw hole is wherein set, sensor is inserted into screw hole and is consolidated by bolt on cabinet
It is fixed.The limiting device includes steel ball 20, and limit spring 21 and the top gear position for being successively set on 5 upper end of shift fork axle are recessed
Slot 22, neutral gear position groove 23 and bottom gear position groove 24, the steel ball 20 is according to gearshift condition at that time in limit spring
It is placed under 21 active force in corresponding position groove, described 21 one end of limit spring is connected with caging bolt 25, limit
Bolt 25 is stuck at the cabinet bumps of gearbox, is kept fixed posture, and is guaranteed when shift fork axle 5 moves up and down, limit spring
21 can be directed at position groove.
The upper and lower ends of the guide pad 12 are fixed with convex block, and wherein upper protruding block 26 is equipped with upslope face 27, under
Convex block 28 is equipped with oblique slope surface 29, and the upslope face 28 and the oblique slope surface 29 respectively correspond the bottom gear contact and pass
Sensor 6 and top gear contact sensor 7.12 side of guide pad connects the guiding axis 4, the axle sleeve 30 by axle sleeve 30
To be set on the guiding axis 4, the other side connects the shift fork 10.
The shift fork 10 includes interconnecting piece 101 and actuating arm 102, and the interconnecting piece 101 is through described dial by through-hole set
It is fixed on fork shaft 5 and by the way that fixture block 31 is arranged, connector 19 is additionally provided on the interconnecting piece 101 for connecting the guiding
Block, the actuating arm 102 is divided to be set up separately in semicircle ring structure in the left and right sides of the interconnecting piece 101, the interconnecting piece for two sections
Fixture block 31 is additionally provided on 101.The bottom of the guide pad 12 is equipped with pedestal 32, and the both ends of the guiding leading screw axis 8 are equipped with axis
33 are held, the bearing 33 is fixed on cabinet upper and lower ends.
The present embodiment provides a kind of electric vehicle two-shift automatic variable speed casees, are connected by the connection spline 14 on input shaft 1 outer
Portion's power main motor 15 accesses power to gearbox, and input shaft 1 delivers power to intermediate shifting shaft 2 by gear 13, then leads to
The gear 13 crossed on intermediate shifting shaft 2 is transmitted to output shaft 3, and output shaft 3 is connected with exterior vehicle front axle 16, and power is transmitted to vehicle
It is travelled.
Using guiding axis 4, ballscrew shaft 8, shift fork axle 5 executes gear switch, and shift fork 10 connects on intermediate shifting shaft 2
Gear 13 drives shift fork 10 that intermediate shifting shaft 2 is made to switch different gears to transmit different torques, completely using guide pad 12
The different duty requirements of sufficient vehicle.
Shift motor 9 is arranged in 8 top of ballscrew shaft and controls the rotation of ballscrew shaft 8, and ballscrew shaft 8 is changing
Dextrorotation under the drive of shelves motor 9, under the constraint of guiding axis 4, guide pad 12 moves straight up, drives shift fork 10 and shift fork axle
5 move straight up, since caging bolt 25 is stuck at the cabinet bumps of gearbox, are kept fixed posture, and shift fork axle 5 is to moving up
When dynamic, steel ball 20 is driven to move up, the gear that the actuating arm 102 of shift fork 10 is stirred on intermediate shifting shaft 2 is engaged to low or first gear,
The upslope face 27 on 12 upper protruding block 26 of guide pad pushes low or first gear contact sensor 6 at this time, and low or first gear contact sensor 6 connects
It is logical, and send signal and gear shifting motor 9 is stopped working, shift fork 10 also stops working at this time, and steel ball 20 is in limit spring at this time
It is stuck under 21 active forces in low or first gear position groove 24, prevents from losing rank, gearbox is in low or first gear working condition at this time；
Ballscrew shaft 8 is left-handed under the drive of gear shifting motor 9, and under the constraint of guiding axis 4 and shift fork axle 5, guide pad 12 is perpendicular
It directly moves down, drives shift fork 10 to move straight down, the gear that the actuating arm 102 of shift fork 10 is stirred on intermediate shifting shaft 2 is nibbled
It is bonded to top gear, the oblique slope surface 29 on 12 lower protruding block 28 of guide pad pushes top gear contact sensor 7, top gear contact at this time
Sensor 7 is connected, and sends signal and gear shifting motor 9 is stopped working, and shift fork 10 also stops working at this time, and steel ball 20 exists at this time
It is stuck in high range position groove 22 under 21 active force of limit spring, prevents from losing rank, gearbox is in top gear work shape at this time
State.
The beneficial effect of the present embodiment is: (1) two kinds of reduction ratio, and big retarding ratio meets climbing demand；Small reduction ratio is provided with
Higher speed normally travel；
(2) two kinds of reduction ratio respectively correspond two gears, are automatically switched by electric-control system according to vehicle condition, are not necessarily to manual operation；
(3) electric energy can be effectively saved using two-shift automatic variable speed case, improves the course continuation mileage of electric car；
(4) workload for reducing other parts of electric-control system, extends the service life of each component of electric-control system；
(5) shift of transmission is judged in place using contact sensor and issuing signal to shift motor stops gear shifting action, letter
The structure of shift is changed, while significantly having improved shift of transmission accuracy of action and reliability again, has had very wide
Application prospect.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of electric vehicle two-shift automatic variable speed case, including cabinet and the speed change system that box house is arranged in, it is characterised in that:
The speed change system includes input module and shift assembly, and the input module includes input shaft, intermediate shifting shaft and output shaft,
The shift assembly includes guiding axis, shift fork axle, bottom gear contact sensor, top gear contact sensor, and setting is led described
To the ballscrew shaft between axis and shift fork axle, shift motor and passes through the shift fork and limiting device being arranged in shift fork axle
Spiral is set in the guide pad on the ballscrew shaft.
2. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the intermediate shifting shaft is set
It sets between the input shaft and the output shaft, realization power transmission, place input is attached by gear between three
Axis connects main motor by connection spline, and the front axle or rear axis connection of the output shaft and exterior vehicle carry out power transmission.
3. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the cabinet includes left case
Body and right case, the left box body are equipped with the mounting hole for connecting the main motor for connecting spline, correspond on the cabinet
The top structure shape concave-convex surface of each component of speed change system.
4. a kind of electric vehicle two-shift automatic variable speed case according to claim 3, it is characterised in that: the bottom gear contact passes
Sensor and top gear contact sensor are respectively fixedly disposed on the right case and the left box body by screw hole and bolt.
5. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the limiting device includes
Steel ball, limit spring and the top gear position groove for being successively set on the shift fork axle upper end, neutral gear position groove and bottom gear
Position groove, the steel ball are placed in corresponding position groove according to gearshift condition at that time under the active force of limit spring
Interior, described limit spring one end is connected with caging bolt.
6. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: above and below the guide pad
Both ends are fixed with convex block, and wherein upper protruding block is equipped with upslope face, and lower protruding block is equipped with oblique slope surface, the upslope face
The bottom gear contact sensor and top gear contact sensor are respectively corresponded with the oblique slope surface.
7. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the guide pad side is logical
It crosses axle sleeve and connects the guiding axis, the other side connects the shift fork, and the axle sleeve is to be set on the guiding axis.
8. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the shift fork includes connection
Portion and actuating arm, the interconnecting piece are through in the shift fork axle by through-hole set and are fixed by the way that fixture block is arranged, the company
It is additionally provided with connector in socket part and is divided into two sections for connecting the guide pad, the actuating arm and sets up separately in semicircle ring structure described
The left and right sides of interconnecting piece.
9. a kind of electric vehicle two-shift automatic variable speed case according to claim 1, it is characterised in that: the bottom of institute's guide pad is set
There is pedestal, the both ends of the guiding leading screw axis are equipped with bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355416.XA CN109357005A (en) | 2018-11-14 | 2018-11-14 | A kind of electric vehicle two-shift automatic variable speed case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811355416.XA CN109357005A (en) | 2018-11-14 | 2018-11-14 | A kind of electric vehicle two-shift automatic variable speed case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109357005A true CN109357005A (en) | 2019-02-19 |
Family
ID=65345245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811355416.XA Pending CN109357005A (en) | 2018-11-14 | 2018-11-14 | A kind of electric vehicle two-shift automatic variable speed case |
Country Status (1)
| Country | Link |
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| CN (1) | CN109357005A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201538238U (en) * | 2009-08-27 | 2010-08-04 | 重庆川渝精工机械配件开发有限公司 | High-low shift rear-drive assembly for four-wheel electric motor car |
| CN102758912A (en) * | 2012-07-26 | 2012-10-31 | 上海中科深江电动车辆有限公司 | Gear shift system for electric vehicle |
| CN205047752U (en) * | 2015-09-23 | 2016-02-24 | 连云港北方变速器有限责任公司 | Electric motor car transmission assembly |
| CN105387165A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Electrocar three-level speed changing main reducer assembly with double shifting forks |
| CN209569331U (en) * | 2018-11-14 | 2019-11-01 | 江苏易行车业有限公司 | A kind of electric vehicle two-gear automatic speed changing case |
-
2018
- 2018-11-14 CN CN201811355416.XA patent/CN109357005A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201538238U (en) * | 2009-08-27 | 2010-08-04 | 重庆川渝精工机械配件开发有限公司 | High-low shift rear-drive assembly for four-wheel electric motor car |
| CN102758912A (en) * | 2012-07-26 | 2012-10-31 | 上海中科深江电动车辆有限公司 | Gear shift system for electric vehicle |
| CN205047752U (en) * | 2015-09-23 | 2016-02-24 | 连云港北方变速器有限责任公司 | Electric motor car transmission assembly |
| CN105387165A (en) * | 2015-12-09 | 2016-03-09 | 重庆先友科技开发有限公司 | Electrocar three-level speed changing main reducer assembly with double shifting forks |
| CN209569331U (en) * | 2018-11-14 | 2019-11-01 | 江苏易行车业有限公司 | A kind of electric vehicle two-gear automatic speed changing case |
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Application publication date: 20190219 |