CN104482131A - Gearbox of electric tricycle - Google Patents
Gearbox of electric tricycle Download PDFInfo
- Publication number
- CN104482131A CN104482131A CN201410727370.5A CN201410727370A CN104482131A CN 104482131 A CN104482131 A CN 104482131A CN 201410727370 A CN201410727370 A CN 201410727370A CN 104482131 A CN104482131 A CN 104482131A
- Authority
- CN
- China
- Prior art keywords
- gear
- wheel disc
- spline
- ratchet
- teeth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0803—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with countershafts coaxial with input or output shaft
-
- 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
- F16H2200/00—Transmissions for multiple ratios
Abstract
The invention relates to a gearbox of an electric tricycle. Automatic infinitely variable speed of the gearbox is realized by conducting gear transmission between a motor and an output shaft and introducing an automatic transmission and the like, the electric tricycle is enabled to run safely under the conditions of load bearing, climbing and the like, and simplicity in operation and stability and reliability in performance are achieved. The gearbox is driven by the motor and comprises the output shaft and a box body, the box body comprises an upper cover and a lower cover, and the automatic transmission, a drive gear, a first intermediate gear set, a second intermediate gear set and a driven gear are arranged in the box body. The automatic transmission and the motor are coaxially connected through a spline, and a transmission gear is fixed onto the automatic transmission. The drive gear and the motor are coaxially connected through a spline and positioned above the automatic transmission. The first intermediate gear set comprises a limiting spline, an upper gear, a middle gear and a lower gear, and the upper gear, the middle gear and the lower gear are concentric and coaxial and fixedly sleeve the limiting spline. The second intermediate gear set comprises a rotating shaft, a first intermediate gear and a second intermediate gear, and the first intermediate gear and the second intermediate gear are concentric and coaxial and fixedly sleeve the rotating shaft.
Description
Technical field
The present invention relates to electro-tricycle, particularly a kind of gear box in electric tricycle.
Background technique
Electro-tricycle is mainly applicable to vast friend peasant, especially in need of production, but rural area road conditions are complicated, picture mire, road surface is rough and uneven in surface, the gradient is large, soft spots of road bed etc., current electro-tricycle directly drives vehicle wheel rotation by motor by motor gear and driven gear, there is no speed change gear, therefore can not governing speed, the electric energy that when road surface that these are severe travels, motor wants overburdening consumption a large amount of, run unhappy when empty wagons, when loaded vehicle, then power is not enough, motor, controller may be burnt out, the components and parts such as wire harness.
Summary of the invention
The present invention is a kind of gear box in electric tricycle, by carrying out gear transmission between motor and output shaft, introduce the automatic stepless speed change that automatic transmission etc. achieves gearbox simultaneously, and then make electro-tricycle still can safety traffic under the road conditions such as heavy burden, climbing, and it is simple to operate, stable and reliable for performance.
For achieving the above object, technical solution of the present invention is:
A kind of gear box in electric tricycle, described gear box in electric tricycle is driven by motor, comprise output shaft and casing, described casing comprises upper cover and lower cover, is provided with automatic transmission, driving gear, the first carrier gear group, the second carrier gear group and driven gear in described casing; Described automatic transmission is coaxially connected by spline with described motor, and described automatic transmission is fixed with transmission gear; Described driving gear and described motor are coaxially connected by spline and are positioned at above described automatic transmission; Described first carrier gear group comprises spacing spline, concentric co-axial and fixed cover cogging on described spacing spline, middle gear and lower gear; Described second carrier gear group comprises the first carrier gear in described rotating shaft of rotating shaft, concentric co-axial and fixed cover and the second carrier gear; Described follower is connected with described output shaft; Described driving gear engages with described cogging, and described transmission gear engages with described lower gear, and described middle gear engages with described first carrier gear, and described second carrier gear engages with described driven gear; Described cog to comprise cog wheel disc and be coaxially embedded in the ratchet mechanism cogged in wheel disc, described in cog and to be fixedly connected with described spacing spline by described ratchet mechanism.
Further, the wheel disc radius of the wheel disc radius of described driving gear, the wheel disc radius of described transmission gear and described lower gear be all less than described in the wheel disc radius that cogs; The wheel disc radius of described driving gear is less than the wheel disc radius of described transmission gear; The wheel disc radius of described speed changer wheel disc is less than the wheel disc radius of described lower gear.
Further, the number of teeth cogged described in is greater than the number of teeth of described driving gear; The number of teeth of described lower gear is greater than the number of teeth of described transmission gear; The number of teeth of described transmission gear is greater than the number of teeth of described driving gear.
Further, described automatic transmission comprises case, centrifugal-block and extension spring; Described case center is provided with spline housing, with the spline fitted on described motor; In described case, described centrifugal-block is installed, centrifugal-block is made trisection and is 120 degree and arranges centered by the described case center of circle, detent fit in the positioning hole of described centrifugal-block and described case, the outer arc of described centrifugal-block and described case minor diameter fit, described centrifugal-block and described case form clutch, described centrifugal-block two adjacent apertures are provided with described extension spring, the adjustable described centrifugal-block of described extension spring with described case in conjunction with rotating speed.
Further, described ratchet mechanism comprises ratchet, flywheel and ratchet, in the wheel disc cogged, is equipped with helical teeth in described ratchet described in described ratchet is fixed on; Described ratchet sleeve is located at outside described flywheel, and described flywheel center offers splined hole, described ratchet be arranged on described flywheel periphery and with the helical teeth one way engagement on described ratchet, be provided with return spring between described ratchet and described flywheel.
Further, also comprise backing device, the limited impression that described backing device comprises solenoid valve, sleeve pipe with spacing preiection, Returnning spring and the wheel disc that cogs described in being opened in matches with the spacing preiection on described sleeve pipe; Described Returnning spring is installed in described spacing spline, and one end of described spacing spline offers groove vertically, and described sleeve pipe can move up and down along described groove.
From the above-mentioned description of this invention, compared to the prior art, tool of the present invention has the following advantages:
One, the present invention is by the Placement of automatic transmission gear, driving gear, the first carrier gear group, the second carrier gear group and driven gear, change the kind of drive that original gearbox driving gear is directly connected with driven gear or is connected by chain, improve transmission efficiency, reduce the consume of motor, improve the life-span of motor, the electro-tricycle using gearbox of the present invention more can maladjustment road conditions, and grade ability is stronger.
Two, the present invention is also built-in with speed changer and ratchet mechanism, adopts different gear train transmissions, the electrodeless variable-speed of the electro-tricycle of realization when motor low cruise and high speed operation time, and electro-tricycle can realize wheel function, power saving more simultaneously.
Three, in the present invention, backing device adopts the cooperation of solenoid valve, spacing preiection and limited impression, carries out control for brake for gearbox wheel disc when reversing, more safe and reliable when making gearbox reversing in the present invention.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the stereogram of gearbox of the present invention;
Fig. 2 is transmission internal assembly structure schematic diagram of the present invention;
Fig. 3 is gear drive schematic diagram of the present invention;
Fig. 4 is automatic transmission structure schematic diagram of the present invention;
Fig. 5 is ratchet mechanism structural representation of the present invention;
Fig. 6 is the structural representation of backing device of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technological scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Referring to figs. 1 through Fig. 3, a kind of gear box in electric tricycle, described gear box in electric tricycle is driven by motor 1, comprise output shaft 2 and casing 3, described casing 3 comprises upper cover 30 and lower cover 31, is provided with automatic transmission 4, driving gear 5, first carrier gear group 6, second carrier gear group 7 and driven gear 8 in described casing 3; Described automatic transmission 4 is coaxially connected by spline 10 with described motor 1, and described automatic transmission 4 is fixed with transmission gear 40; Described driving gear 5 is connected with described motor 1 by spline 10 is coaxial and is positioned at above described automatic transmission 4; Described first carrier gear group 6 comprise spacing spline 60, concentric co-axial and fixed cover on described spacing spline 60 cog 61, middle gear 62 and lower gear 63; Described second carrier gear group 7 comprises rotating shaft 70, concentric co-axial and first carrier gear 71 and second carrier gear 72 of fixed cover in described rotating shaft 70; Described follower 8 is connected with described output shaft 2; Described driving gear 5 61 to engage with described cogging, and described transmission gear 40 engages with described lower gear 63, and described middle gear 62 engages with described first carrier gear 71, and described second carrier gear 72 engages with described driven gear 8; Described cogging 71 comprises and cogs wheel disc 710 and be coaxially embedded in the ratchet mechanism 9 cogged in wheel disc 710, described in cog and 71 to be fixedly connected with described spacing spline 70 by described ratchet mechanism 9.
With reference to Fig. 2 to Fig. 3, cog described in the wheel disc radius of the wheel disc radius of described driving gear 5, the wheel disc radius of described transmission gear 40 and described lower gear 63 is all less than 61 wheel disc radius; The wheel disc radius of described driving gear 5 is less than the wheel disc radius of described transmission gear 40; The wheel disc radius of described speed changer wheel disc 710 is less than the wheel disc radius of described lower gear 63.
With reference to Fig. 2 to Fig. 3, described in cog 61 the number of teeth be greater than the number of teeth of described driving gear 5; The number of teeth of described lower gear 63 is greater than the number of teeth of described transmission gear 40; The number of teeth of described transmission gear 40 is greater than the number of teeth of described driving gear 5.
With reference to Fig. 4, described automatic transmission 4 comprises case 41, centrifugal-block 42 and extension spring 43; Described case 41 center is provided with spline housing 410, coordinates with the spline 10 on described motor 1; In described case 41, described centrifugal-block 42 is installed, centrifugal-block 42 is made trisection and is 120 degree and arranges centered by described case 41 center of circle, detent fit in the positioning hole of described centrifugal-block 42 and described case, the outer arc of described centrifugal-block 42 and described case minor diameter fit, described centrifugal-block 42 forms clutch with described case 41, described centrifugal-block 42 two adjacent apertures are provided with described extension spring 43, the adjustable described centrifugal-block 42 of described extension spring with described case 41 in conjunction with rotating speed.
With reference to Fig. 5, described ratchet mechanism 9 comprises ratchet 90, flywheel 91 and ratchet 92, cogs in the wheel disc of 61 described in described ratchet 90 is fixed on, and is equipped with helical teeth 900 in described ratchet 90; Described ratchet 90 is set in outside described flywheel 91, described flywheel 91 center offers splined hole 93, described ratchet 92 be arranged on described flywheel 91 periphery and with helical teeth 900 one way engagement on described ratchet 90, be provided with return spring (not shown) between described ratchet 92 and described flywheel 91.
With reference to Fig. 6, also comprising reversing dress, 32, the limited impression 323 that described backing device 32 comprises solenoid valve 320, sleeve pipe 321 with spacing preiection, Returnning spring 322 and the wheel disc that cogs described in being opened in matches with the spacing preiection on described sleeve pipe; Described Returnning spring 322 is installed in described spacing spline 60, and one end of described spacing spline 60 offers groove 324 vertically, and described sleeve pipe 321 can move up and down along described groove 324.
In order to the statement technological scheme of the present invention clearly understood, below the working state by describing work of the present invention is further detailed it:
If the number of teeth of driving gear is m1, the number of teeth cogged is m2, and the number of teeth of transmission gear is m3, and the number of teeth of lower gear is m4;
When motor low cruise, speed changer is in closed state, transmission gear can not rotate along with the rotation of motor output shaft, and now driven by motor driving gear rotates, and the rotating speed of driving gear is n1, driving gear drives the wheel disc that cogs to rotate, the wheel disc that cogs drives ratchet mechanism to rotate, and ratchet mechanism drives spacing spline to rotate, if the rotating speed that cogs is n2, according to gear ratio formula t=m1/m2=n2/n1, the rotating speed n2=m1*n1/m2 cogged when can know motor low cruise; Due to cog and lower gear coaxially fix, therefore lower gear is identical with the rotating speed cogged, and speed change gear moves along with the motion of lower gear; Therefore, transmission process during motor low-speed motion is: driven by motor driving gear rotates, driving gear drives the rotation that cogs, cog and drive spacing spline to rotate, spacing spline drives middle gear to rotate, and middle gear drives the first carrier gear to rotate, first carrier gear drives axis of rotation, rotating shaft drives the second carrier gear to rotate, and the second carrier gear drives follower to rotate, thus realizes the vehicle wheel rotation of electro-tricycle.
When high speed operation of motor, the transmission of each gear is substantially identical with transmission process during motor low cruise, difference is that driven by motor transmission gear rotates, transmission gear drives lower gear to rotate, lower gear drives spacing spline to rotate, this is because when high speed operation of motor, speed changer opens, now transmission gear is driven by motor output shaft, rotating speed is n3, the rotating speed of lower gear is n4, gear ratio t=m3/m4=n4/n3, n4=m3*n3/m4 can be known thus, due to driving gear and transmission gear coaxial, therefore, the rotating speed of driving gear is identical with the rotating speed of speed change gear, for n3, driving gear drives the wheel disc that cogs to rotate with rotating speed n2, therefore the rotating speed of the known wheel disc that cogs is n2=m1*n3/m2, cog interior ratchet mechanism and lower gear coaxial, the rotating speed of known spacing spline is identical with the rotating speed of lower gear, for n4, spacing spline drives ratchet mechanism to rotate with speed n4, more known, now the rotating speed n4 of spacing spline is greater than the rotating speed n2 of the wheel disc that cogs, namely the rotating speed of ratchet mechanism is greater than the rotating speed of the wheel disc that cogs, and the wheel disc that cogs is relative to ratchet mechanism reversing motion, so driving gear drives the rotation cogged can not affect the rotation of spacing spline.
When needs are moveed backward, motor reversal, driven by motor driving gear rotates backward, driving gear drives the wheel disc that cogs to rotate, now ratchet mechanism is relative to the wheel disc reversing motion that cogs, therefore need during reversing to use reverse gear, reverse gear working procedure is as follows: when vehicle advances, solenoid valve absorption sleeve pipe, when needs are moveed backward, solenoid valve demagnetization promotes sleeve pipe simultaneously, the spacing preiection in sleeve pipe is made to enter the groove cogged on wheel disc, the wheel disc that now cogs is fixedly connected with spacing spline, the wheel disc that cogs thus is driven spacing spline to rotate backward, and then spacing spline drives middle gear to rotate backward, middle gear drives the first carrier gear to rotate backward, first carrier gear drives rotating shaft to rotate backward, rotating shaft drives the second carrier gear to rotate backward, second carrier gear drives follower to rotate backward, thus realize electro-tricycle reversing, after reversing stops, sleeve pipe picks up by electromagnet.
State and brightly illustrate and describe the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (6)
1. a gear box in electric tricycle, described gear box in electric tricycle is driven by motor, comprise output shaft and casing, described casing comprises upper cover and lower cover, it is characterized in that: be provided with automatic transmission, driving gear, the first carrier gear group, the second carrier gear group and driven gear in described casing; Described automatic transmission is coaxially connected by spline with described motor, and described automatic transmission is fixed with transmission gear; Described driving gear and described motor are coaxially connected by spline and are positioned at above described automatic transmission; Described first carrier gear group comprises spacing spline, concentric co-axial and fixed cover cogging on described spacing spline, middle gear and lower gear; Described second carrier gear group comprises the first carrier gear in described rotating shaft of rotating shaft, concentric co-axial and fixed cover and the second carrier gear; Described follower is connected with described output shaft; Described driving gear engages with described cogging, and described transmission gear engages with described lower gear, and described middle gear engages with described first carrier gear, and described second carrier gear engages with described driven gear; Described cog to comprise cog wheel disc and be coaxially embedded in the ratchet mechanism cogged in wheel disc, described in cog and to be fixedly connected with described spacing spline by described ratchet mechanism.
2. a kind of gear box in electric tricycle as claimed in claim 1, is characterized in that: the wheel disc radius cogged described in the wheel disc radius of the wheel disc radius of described driving gear, the wheel disc radius of described transmission gear and described lower gear is all less than; The wheel disc radius of described driving gear is less than the wheel disc radius of described transmission gear; The wheel disc radius of described speed changer wheel disc is less than the wheel disc radius of described lower gear.
3. a kind of gear box in electric tricycle as claimed in claim 2, is characterized in that: described in the number of teeth that cogs be greater than the number of teeth of described driving gear; The number of teeth of described lower gear is greater than the number of teeth of described transmission gear; The number of teeth of described transmission gear is greater than the number of teeth of described driving gear.
4. a kind of gear box in electric tricycle as claimed in claim 3, is characterized in that: described automatic transmission comprises case, centrifugal-block and extension spring; Described case center is provided with spline housing, with the spline fitted on described motor; In described case, described centrifugal-block is installed, centrifugal-block is made trisection and is 120 degree and arranges centered by the described case center of circle, detent fit in the positioning hole of described centrifugal-block and described case, the outer arc of described centrifugal-block and described case minor diameter fit, described centrifugal-block and described case form clutch, described centrifugal-block two adjacent apertures are provided with described extension spring, the adjustable described centrifugal-block of described extension spring with described case in conjunction with rotating speed.
5. a kind of gear box in electric tricycle as claimed in claim 4, is characterized in that: described ratchet mechanism comprises ratchet, flywheel and ratchet, in the wheel disc cogged, is equipped with helical teeth in described ratchet described in described ratchet is fixed on; Described ratchet sleeve is located at outside described flywheel, and described flywheel center offers splined hole, described ratchet be arranged on described flywheel periphery and with the helical teeth one way engagement on described ratchet, be provided with return spring between described ratchet and described flywheel.
6. a kind of gear box in electric tricycle as claimed in claim 5, it is characterized in that: also comprise backing device, the limited impression that described backing device comprises solenoid valve, sleeve pipe with spacing preiection, Returnning spring and the wheel disc that cogs described in being opened in matches with the spacing preiection on described sleeve pipe; Described Returnning spring is installed in described spacing spline, and one end of described spacing spline offers groove vertically, and described sleeve pipe can move up and down along described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727370.5A CN104482131B (en) | 2014-12-03 | 2014-12-03 | A kind of gear box in electric tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727370.5A CN104482131B (en) | 2014-12-03 | 2014-12-03 | A kind of gear box in electric tricycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482131A true CN104482131A (en) | 2015-04-01 |
| CN104482131B CN104482131B (en) | 2017-10-10 |
Family
ID=52756709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410727370.5A Expired - Fee Related CN104482131B (en) | 2014-12-03 | 2014-12-03 | A kind of gear box in electric tricycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482131B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930158A (en) * | 2015-06-29 | 2015-09-23 | 浙江尤里卡机电有限公司 | Transmission gear having sliding reversing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000081129A (en) * | 1998-09-03 | 2000-03-21 | Kubota Corp | Gear shifting operation device for running of working vehicle |
| CN201588911U (en) * | 2009-10-13 | 2010-09-22 | 吴自传 | Energy-saving overdrive automatic transmission |
| KR20100115453A (en) * | 2009-04-20 | 2010-10-28 | 최태수 | Forward and backward movement system in continuously variable transmission |
| CN202301558U (en) * | 2011-11-11 | 2012-07-04 | 马中原 | Clutch and variable speed gear thereof |
| CN103982604A (en) * | 2014-04-10 | 2014-08-13 | 金洁琼 | Electric bicycle automatic speed change transmission mechanism with reverse gearing and sliding functions |
| CN203796901U (en) * | 2014-04-25 | 2014-08-27 | 屠国锋 | Bidirectional automatic speed-changing transmission mechanism |
| CN204300245U (en) * | 2014-12-03 | 2015-04-29 | 厦门跃众机电科技有限公司 | A kind of gear box in electric tricycle |
-
2014
- 2014-12-03 CN CN201410727370.5A patent/CN104482131B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000081129A (en) * | 1998-09-03 | 2000-03-21 | Kubota Corp | Gear shifting operation device for running of working vehicle |
| KR20100115453A (en) * | 2009-04-20 | 2010-10-28 | 최태수 | Forward and backward movement system in continuously variable transmission |
| CN201588911U (en) * | 2009-10-13 | 2010-09-22 | 吴自传 | Energy-saving overdrive automatic transmission |
| CN202301558U (en) * | 2011-11-11 | 2012-07-04 | 马中原 | Clutch and variable speed gear thereof |
| CN103982604A (en) * | 2014-04-10 | 2014-08-13 | 金洁琼 | Electric bicycle automatic speed change transmission mechanism with reverse gearing and sliding functions |
| CN203796901U (en) * | 2014-04-25 | 2014-08-27 | 屠国锋 | Bidirectional automatic speed-changing transmission mechanism |
| CN204300245U (en) * | 2014-12-03 | 2015-04-29 | 厦门跃众机电科技有限公司 | A kind of gear box in electric tricycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930158A (en) * | 2015-06-29 | 2015-09-23 | 浙江尤里卡机电有限公司 | Transmission gear having sliding reversing function |
| CN104930158B (en) * | 2015-06-29 | 2018-10-30 | 马平 | A kind of band slides the transmission gear of reverse gear function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104482131B (en) | 2017-10-10 |
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Granted publication date: 20171010 Termination date: 20181203 |