CN109114177A - A kind of electric vehicles gear shifting structure - Google Patents
A kind of electric vehicles gear shifting structure Download PDFInfo
- Publication number
- CN109114177A CN109114177A CN201811296916.0A CN201811296916A CN109114177A CN 109114177 A CN109114177 A CN 109114177A CN 201811296916 A CN201811296916 A CN 201811296916A CN 109114177 A CN109114177 A CN 109114177A
- Authority
- CN
- China
- Prior art keywords
- gear
- jackshaft
- electric vehicles
- slider disc
- helical 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.)
- Pending
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Classifications
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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
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
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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
- 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
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
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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
- 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)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of electric vehicles gear shifting structures, electric vehicles gear shifting structure includes input shaft, first transmission gear, jackshaft, second transmission gear, helical teeth and shift assembly, first transmission gear is inserted in input shaft, and it is fixedly connected with input shaft, second transmission gear penetrates jackshaft, and it is fixedly connected with jackshaft, first transmission gear is engaged with the second transmission gear, multiple helical teeth and jackshaft are integrally formed, high gear and jackshaft are rotatablely connected, multiple first snap fit tabs are located on high gear end face, low-speed gear and jackshaft are rotatablely connected, multiple second snap fit tabs are located on low-speed gear end face, slider disc is located at multiple helical teeth, and it is slid along multiple helical teeth, first arc groove and the second arc groove are located on two end faces of slider disc, the rotation of motor driven input shaft, realize slider disc and high speed The combination of gear or low-speed gear, structure is simple, to realize crash change of speed.
Description
Technical field
The invention belongs to gear shift engineering device technique field more particularly to a kind of electric vehicles gear shifting structures.
Background technique
With the development of society and the demand of environmental protection trip, electric vehicle has been got over as a kind of very environmentally friendly vehicles
Come in more entrance people's lives, electric vehicle needs adjustment speed in use, and existing electric vehicle uses gear
Gearbox realizes speed change.Input gear is engaged with transmission gear in current gearbox, by coaxially connected with transmission gear
One gear driving gear and two gear driving gear transmission, drive one gear driven gear and second gear driven gear rotation, thus realize by
The speed of motor is spread out of after changing.
Such gearbox is when needing to shift gears, usually in the transmission for being mounted with a gear driving gear and two gear driving gear
Selector is connected on axis, is shifted gears by control selector and a gear driving gear or fixed realize of two gear driving gear, so that
Gear shift operation is complicated, is unfavorable for the crash change of speed of electric vehicle.
Summary of the invention
The present invention provides a kind of electric vehicles gear shifting structure, it is intended to solve existing gear shifting structure shift complexity, be unfavorable for
The problem of electric vehicle crash change of speed.
To achieve the above object, the present invention provides a kind of electric vehicles gear shifting structure, the electric vehicles shifts
Structure includes input shaft, the first transmission gear, jackshaft, the second transmission gear, helical teeth and shift assembly, first driving cog
Wheel is inserted in the input shaft, and is fixedly connected with the input shaft, and the center line of first transmission gear and the input
The axis of axis is overlapped, and the axis of the jackshaft is flushed with the axis of the input shaft, and second transmission gear penetrates described
Jackshaft, and be fixedly connected with the jackshaft, and the axis weight of the center line of second transmission gear and the jackshaft
Close, first transmission gear engage with second transmission gear, the quantity of the helical teeth be it is multiple, multiple helical teeth and
The jackshaft is integrally formed, and is distributed along the jackshaft circumferencial direction, and the shift assembly is set to the jackshaft；
The shift assembly includes high gear, low-speed gear and slider disc, and the high gear and the jackshaft turn
Dynamic connection, and it is located at the helical teeth close to the side of second transmission gear, the high gear has multiple first engagings
Protrusion, multiple first snap fit tabs are located on end face of the high gear far from second transmission gear, described low
Fast gear and the jackshaft are rotatablely connected, and are located at close to side of the helical teeth far from the high gear, the low speed
Gear has multiple second snap fit tabs, and multiple second snap fit tabs are located at the low-speed gear close to the end of the helical teeth
On face, the slider disc is located at multiple helical teeth, and slides along multiple helical teeth, and the slider disc has multiple first arcs
Shape slot and multiple second arc grooves, first arc groove is located on the end face of first snap fit tabs side, described
Second arc groove is located on the end face of second snap fit tabs side.
Wherein, the slider disc has limiting slot, and the quantity of the limiting slot is multiple, multiple limiting slots difference positions
In in multiple first arc grooves and multiple second arc grooves, and respectively with first snap fit tabs and described second
Snap fit tabs are adapted.
Wherein, the shift assembly further includes block, and the quantity of the block is two, and two blocks are located at
The top of the slider disc.
Wherein, the slider disc has annular groove, and the annular groove is located at the outer wall circumferencial direction of the slider disc.
Wherein, the shift assembly further includes locating part, and the locating part is set to the slider disc.
Wherein, the locating part have clamping part and swing part, the clamping part be it is arc-shaped, the clamping part with it is described
Slider disc is fixedly connected, and is located on the annular groove, and the swing part is fixedly connected with the clamping part, and described in two
It is swung between block.
Wherein, the electric vehicles gear shifting structure further includes transmission shaft, and the transmission shaft is located under the jackshaft
Side.
Wherein, the electric vehicles gear shifting structure further includes idle pulley, and the idle pulley and the transmission shaft are rotatablely connected, and
It is engaged with the low-speed gear, and is located at the lower section of the jackshaft.
Wherein, the electric vehicles gear shifting structure further includes output shaft and duplicate gear component, the output shaft axis
Flushed with the axis of the jackshaft, and the output shaft is located remotely from the side of the input shaft, the duplex tooth assembly with
The output shaft is fixedly connected.
Wherein, the duplicate gear component includes connecting shaft, the first linkage gear and the second linkage gear, the connecting shaft
It is fixedly connected with the output shaft, first linkage gear is fixedly connected with the connecting shaft, and is nibbled with the high gear
Close, second linkage gear is fixedly connected with the connecting shaft, and is oppositely arranged with first linkage gear, and with it is described
Idle pulley engagement.
Electric vehicles gear shifting structure of the invention is inserted in the input shaft by first transmission gear, and with institute
Input shaft to be stated to be fixedly connected, second transmission gear penetrates the jackshaft, and is fixedly connected with the jackshaft, and described
One transmission gear is engaged with second transmission gear, and multiple helical teeth and the jackshaft are integrally formed, the high speed tooth
Wheel is rotatablely connected with the jackshaft, and multiple first snap fit tabs are located on the high gear end face, the low speed tooth
Wheel is rotatablely connected with the jackshaft, and multiple second snap fit tabs are located on the low-speed gear end face, the slider disc
It is slid positioned at multiple helical teeth, and along multiple helical teeth, first arc groove and second arc groove are located at
On two end faces of the slider disc, the rotation of input shaft described in motor driven drives the jackshaft to rotate, realizes the sliding
The combination of the slider disc and the high gear or the low-speed gear is realized in the back-and-forth motion of disk, and structure is simple, to fast
Speed realizes shift.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric vehicles gear shifting structure of the present invention；
Fig. 2 is the structural schematic diagram of shift assembly of the present invention；
Fig. 3 is structural schematic diagram of the present invention close to the slider disc of high gear side；
Fig. 4 is duplicate gear component structure diagram of the present invention；
Fig. 5 is the structural schematic diagram of duplicate gear component and shift assembly of the present invention；
Fig. 6 is the structural schematic diagram of shift assembly of the present invention, input shaft and the first transmission gear；
Fig. 7 is the structural schematic diagram of high gear of the present invention and slider disc；
Fig. 8 is the structural schematic diagram of low-speed gear of the present invention and slider disc；
Fig. 9 is structural schematic diagram of the present invention close to the slider disc of low-speed gear side；
In figure: 1- input shaft, the first transmission gear of 2-, 3- jackshaft, the second transmission gear of 4-, 5- helical teeth, 6- shift group
Part, 7- transmission shaft, 8- idle pulley, 9- output shaft, 10- duplicate gear component, 61- high gear, 62- low-speed gear, 63- sliding
Disk, 64- block, 65- locating part, 101- connecting shaft, the first linkage gear of 102-, the second linkage gear of 103-, 611- first block
Close protrusion, the second snap fit tabs of 621-, the first arc groove of 631-, the second arc groove of 632-, 633- limiting slot, 634- annular groove,
651- clamping part, 652- swing part.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, in the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Fig. 1-9 is please referred to, the present invention provides a kind of electric vehicles gear shifting structure, the electric vehicles gear shifting structure
Including input shaft 1, the first transmission gear 2, jackshaft 3, the second transmission gear 4, helical teeth 5 and shift assembly 6, described first is passed
Moving gear 2 is inserted in the input shaft 1, and is fixedly connected with the input shaft 1, and the center line of first transmission gear 2 with
The axis of the input shaft 1 is overlapped, and the axis of the jackshaft 3 is flushed with the axis of the input shaft 1, second driving cog
Wheel 4 penetrates the jackshaft 3, and is fixedly connected with the jackshaft 3, and the center line of second transmission gear 4 with it is described
The axis of jackshaft 3 is overlapped, and first transmission gear 2 is engaged with second transmission gear 4, the quantity of the helical teeth 5
To be multiple, multiple helical teeth 5 are integrally formed with the jackshaft 3, and are distributed along 3 circumferencial direction of jackshaft, described to change
Gear component 6 is set to the jackshaft 3；
The shift assembly 6 include high gear 61, low-speed gear 62 and slider disc 63, the high gear 61 with it is described
Jackshaft 3 is rotatablely connected, and is located at the helical teeth 5 close to the side of second transmission gear 4, and the high gear 61 has
There are multiple first snap fit tabs 611, multiple first snap fit tabs 611 are located at the high gear 61 far from described second
On the end face of transmission gear 4, the low-speed gear 62 is rotatablely connected with the jackshaft 3, and is located at remote close to the helical teeth 5
Side from the high gear 61, the low-speed gear 62 have multiple second snap fit tabs 621, multiple second engagings
Protrusion 621 is located at the low-speed gear 62 on the end face of the helical teeth 5, and the slider disc 63 is located at multiple helical teeth
5, and slid along multiple helical teeth 5, the slider disc 63 has multiple first arc grooves 631 and multiple second arc grooves 632,
First arc groove 631 is located on the end face of 611 side of the first snap fit tabs, second arc groove 632
In on the end face of 621 side of the second snap fit tabs.
In the present embodiment, first transmission gear 2 is inserted in the input shaft 1, and fixes and connect with the input shaft 1
It connects, and the center line of first transmission gear 2 is overlapped with the axis of the input shaft 1, avoids bias, enhance mechanical performance,
Increase service life.Input shaft 1 described in motor driven rotates counterclockwise, so that first transmission gear 2 be driven to turn counterclockwise
Dynamic, second transmission gear 4 penetrates the jackshaft 3, and is fixedly connected with the jackshaft 3, and second driving cog
The center line of wheel 4 is overlapped with the axis of the jackshaft 3, and is engaged with first transmission gear 2, to drive described second
Transmission gear 4 rotates clockwise, and then the jackshaft 3 is driven to rotate clockwise, multiple helical teeth 5 and the jackshaft 3
It is integrally formed, the slider disc 63 is located at multiple helical teeth 5, and slides along multiple helical teeth 5, to drive the cunning
Moving plate 63 is mobile to 61 direction of high gear, and the high gear 61 has multiple first snap fit tabs 611, Duo Gesuo
It states the first snap fit tabs 611 to be located on end face of the high gear 61 far from second transmission gear 4, the slider disc
63 have multiple first arc grooves 631 on the end face of 61 side of high gear, and multiple first engagings are convex
It plays 611 to engage with multiple first arc grooves 631 respectively, rotates clockwise the high gear 61 with the jackshaft 3,
The 61 high-speed rotation output kinetic energy of high gear, realizes the high-speed motion of electric vehicle.Conversely, input shaft 1 described in motor driven
It rotates clockwise, first transmission gear 2 is driven to rotate clockwise, second transmission gear 4 and the jackshaft 3 are fixed
Connection, and engaged with first transmission gear 2, so that second transmission gear 4 be driven to rotate counterclockwise, and then drive institute
It states jackshaft 3 to rotate counterclockwise, multiple helical teeth 5 are integrally formed with the jackshaft 3, and the slider disc 63 is located at multiple institutes
Helical teeth 5 is stated, and is slid along multiple helical teeth 5, thus drive the slider disc 63 mobile to 62 direction of low-speed gear, institute
Low-speed gear 62 is stated with multiple second snap fit tabs 621, the slider disc 63 is close to 62 side of low-speed gear
There is multiple arcs slot, multiple second snap fit tabs 621 engage with multiple arc grooves respectively, make described low on end face
Fast gear 62 is rotated counterclockwise with the jackshaft 3, and the low-speed gear 62 slowly runs output kinetic energy, realizes the low of electric vehicle
Speed movement, structure is simple, fast implements the switching of high speed with low speed.
Electric vehicles gear shifting structure of the invention is inserted in the input shaft 1 by first transmission gear 2, and with
The input shaft 1 is fixedly connected, and second transmission gear 4 penetrates the jackshaft 3, and is fixedly connected with the jackshaft 3,
First transmission gear 2 is engaged with second transmission gear 4, and multiple helical teeth 5 are integrally formed with the jackshaft 3,
The high gear 61 is rotatablely connected with the jackshaft 3, and multiple first snap fit tabs 611 are located at the high gear 61
On end face, the low-speed gear 62 is rotatablely connected with the jackshaft 3, and multiple second snap fit tabs 621 are located at described low
On fast 62 end face of gear, the slider disc 63 is located at multiple helical teeth 5, and slides along multiple helical teeth 5, described first
Arc groove 631 and second arc groove 632 are located on two end faces of the slider disc 63, are inputted described in motor driven
Axis 1 rotates, and drives the jackshaft 3 to rotate, realizes the back-and-forth motion of the slider disc 63, realize the slider disc 63 with it is described
The combination of high gear 61 or the low-speed gear 62, structure is simple, to fast implement shift.
Further, the slider disc 63 has a limiting slot 633, the quantity of the limiting slot 633 be it is multiple, it is multiple described
Limiting slot 633 is located in multiple first arc grooves 631 and multiple second arc grooves 632, and respectively with it is described
First snap fit tabs 611 and second snap fit tabs 621 are adapted.In the present embodiment, input shaft 1 described in motor driven
When rotating counterclockwise, the slider disc 63 with 3 rotational slip of jackshaft to the high gear 61 at, it is described first engaging
Protrusion 611 is sticked in first arc groove 631, and with the rotation of the jackshaft 3, first snap fit tabs 611 exist
It rotates with it, is located in the limiting slot 633, engaging is adjacent to, and is conducive to the high gear 61 in first arc groove 631
It being rotated with the slider disc 63, realization runs at high speed, conversely, when input shaft 1 described in motor driven rotates clockwise, the cunning
Moving plate 63 with 3 rotational slip of jackshaft to the low-speed gear 62 at, second snap fit tabs 621 are sticked in described
In two arc grooves 632, with the rotation of the jackshaft 3, second snap fit tabs 621 are in second arc groove 632
It rotates with it, is located in the corresponding limiting slot 633, engaging is adjacent to, and is conducive to the low-speed gear 62 with the slider disc 63
Low-speed running is realized in rotation.
Further, the shift assembly 6 further includes block 64, and the quantity of the block 64 is two, two gears
Block 64 is located at the top of the slider disc 63.The slider disc 63 has annular groove 634, and the annular groove 634 is located at institute
State the outer wall circumferencial direction of slider disc 63.The shift assembly 6 further includes locating part 65, and the locating part 65 is set to the cunning
Moving plate 63.The locating part 65 has clamping part 651 and swing part 652, and the clamping part 651 is arc-shaped, the clamping part
651 are fixedly connected with the slider disc 63, and are located on the annular groove 634, the swing part 652 and the clamping part 651
It is fixedly connected, and is swung between two blocks 64.In the present embodiment, two blocks 64 are to the sliding
Disk 63 plays the role of limit, and the cross-sectional area of the block 64 is arc, is conducive to avoid the slider disc 63 along described
High gear 61 or along 62 direction of low-speed gear slide when, the swing part 652 is swung between two blocks 64
Excessively damage.The slider disc 63 have annular groove 634, the clamping part 651 be it is arc-shaped, be conducive to the slider disc
63 package, enhancing transmission effect, the clamping part 651 is fixedly connected with the slider disc 63, the swing part 652 with it is described
Clamping part 651 is fixedly connected, and when the slider disc 63 is rotated counterclockwise with the jackshaft 3, the swing part 652 is also with institute
It states slider disc 63 to rotate counterclockwise, one of them described block 64 blocks the swing part 652, in the slider disc 63 with institute
When stating jackshaft 3 and rotating clockwise, the swing part 652 is also rotated clockwise with the slider disc 63, another described gear
Block 64 blocks the swing part 652, plays the role of limit to the slider disc 63, avoids rotational angle excessive, revolving speed is excessively high
Or it is too low, influence the service life of institute's electric vehicles gear shifting structure.
Further, the electric vehicles gear shifting structure further includes transmission shaft 7, and the transmission shaft 7 is located at the centre
The lower section of axis 3.The electric vehicles gear shifting structure further includes idle pulley 8, and the idle pulley 8 is rotatablely connected with the transmission shaft 7, and
It is engaged with the low-speed gear 62, and is located at the lower section of the jackshaft 3.The electric vehicles gear shifting structure further includes output
Axis 9 and duplicate gear component 10, the output shaft 9 are located at the side of the jackshaft 3, and are located remotely from the input shaft 1 one
Side, the duplex tooth assembly are fixedly connected with the output shaft 9.The duplicate gear component 10 includes connecting shaft 101, first
Moving gear 102 and the second linkage gear 103, the connecting shaft 101 are fixedly connected with the output shaft 9, the first linkage tooth
Wheel 102 is fixedly connected with the connecting shaft 101, and is engaged with the high gear 61, second linkage gear 103 with it is described
Connecting shaft 101 is fixedly connected, and is oppositely arranged with first linkage gear 102, and engage with the idle pulley 8.In this implementation
In mode, input shaft 1 described in motor driven is rotated counterclockwise, and first transmission gear 2 rotates counterclockwise, second transmission
Gear 4 is engaged with first transmission gear 2 and is rotated clockwise, and the jackshaft 3 rotates clockwise, and the slider disc 63 is to institute
It states the mobile snap belt of high gear 61 and moves the high gear 61 and rotate clockwise, the high gear 61 and first linkage
Gear 102 engages, so that second linkage gear 103 clockwise counterclockwise is driven to rotate, second linkage gear 103
It is engaged with the idle pulley 8, the idle pulley 8 is driven to rotate clockwise, the idle pulley 8 is engaged with the low-speed gear 62, drives institute
State the rotation of low-speed gear 62.Conversely, input shaft 1 described in motor driven rotates clockwise, first transmission gear 2 turns clockwise
Dynamic, second transmission gear 4 is engaged with first transmission gear 2 and is rotated counterclockwise, and the slider disc 63 is to the low speed
Gear 62 is mobile to be engaged the low-speed gear 62 low-speed gear 62 is driven to rotate counterclockwise, the low-speed gear 62 with it is described
Idle pulley 8 engages, and drives the idle pulley 8 to rotate clockwise, the idle pulley 8 is engaged with second linkage gear 103, described in drive
Second linkage gear 103 rotates counterclockwise, so that first linkage gear 102 is driven to rotate counterclockwise, first linkage
Gear 102 is engaged with the high gear 61, so that the high gear 61 be driven to rotate.The idle pulley 8 is turned to change.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of electric vehicles gear shifting structure, which is characterized in that
Including input shaft, the first transmission gear, jackshaft, the second transmission gear, helical teeth and shift assembly, first driving cog
Wheel is inserted in the input shaft, and is fixedly connected with the input shaft, and the center line of first transmission gear and the input
The axis of axis is overlapped, and the axis of the jackshaft is flushed with the axis of the input shaft, and second transmission gear penetrates described
Jackshaft, and be fixedly connected with the jackshaft, and the axis weight of the center line of second transmission gear and the jackshaft
Close, first transmission gear engage with second transmission gear, the quantity of the helical teeth be it is multiple, multiple helical teeth and
The jackshaft is integrally formed, and is distributed along the jackshaft circumferencial direction, and the shift assembly is set to the jackshaft；
The shift assembly includes high gear, low-speed gear and slider disc, and the high gear and jackshaft rotation connect
It connecing, and is located at the helical teeth close to the side of second transmission gear, the high gear has multiple first snap fit tabs,
Multiple first snap fit tabs are located on end face of the high gear far from second transmission gear, the low-speed gear
It is rotatablely connected, and is located at close to side of the helical teeth far from the high gear, the low-speed gear tool with the jackshaft
There are multiple second snap fit tabs, multiple second snap fit tabs are located at the low-speed gear on the end face of the helical teeth,
The slider disc is located at multiple helical teeth, and slides along multiple helical teeth, and the slider disc has multiple first arc grooves
With multiple second arc grooves, first arc groove is located on the end face of first snap fit tabs side, and described second
Arc groove is located on the end face of second snap fit tabs side.
2. electric vehicles gear shifting structure as described in claim 1, which is characterized in that
The slider disc has a limiting slot, the quantity of the limiting slot be it is multiple, multiple limiting slots are located at multiple institutes
State in the first arc groove and multiple second arc grooves, and respectively with first snap fit tabs and second snap fit tabs
It is adapted.
3. electric vehicles gear shifting structure as described in claim 1, which is characterized in that
The shift assembly further includes block, and the quantity of the block is two, and two blocks are located at the sliding
The top of disk.
4. electric vehicles gear shifting structure as claimed in claim 3, which is characterized in that
The slider disc has annular groove, and the annular groove is located at the outer wall circumferencial direction of the slider disc.
5. electric vehicles gear shifting structure as claimed in claim 4, which is characterized in that
The shift assembly further includes locating part, and the locating part is set to the slider disc.
6. electric vehicles gear shifting structure as claimed in claim 5, which is characterized in that
The locating part has clamping part and a swing part, the clamping part be it is arc-shaped, the clamping part and the slider disc are solid
Fixed connection, and be located on the annular groove, the swing part is fixedly connected with the clamping part, and between two blocks
It swings.
7. electric vehicles gear shifting structure as described in claim 1, which is characterized in that
The electric vehicles gear shifting structure further includes transmission shaft, and the transmission shaft is located at the lower section of the jackshaft.
8. electric vehicles gear shifting structure as claimed in claim 7, which is characterized in that
The electric vehicles gear shifting structure further includes idle pulley, and the idle pulley and the transmission shaft are rotatablely connected, and with it is described low
Fast gear engagement, and it is located at the lower section of the jackshaft.
9. electric vehicles gear shifting structure as claimed in claim 8, which is characterized in that
The electric vehicles gear shifting structure further includes output shaft and duplicate gear component, the output shaft axis and the centre
The axis of axis flushes, and the output shaft is located remotely from the side of the input shaft, the duplex tooth assembly and the output shaft
It is fixedly connected.
10. electric vehicles gear shifting structure as claimed in claim 9, which is characterized in that
The duplicate gear component includes connecting shaft, the first linkage gear and the second linkage gear, the connecting shaft with it is described defeated
Shaft is fixedly connected, and first linkage gear is fixedly connected with the connecting shaft, and is engaged with the high gear, and described
Two linkage gears are fixedly connected with the connecting shaft, and are oppositely arranged with first linkage gear, and engage with the idle pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296916.0A CN109114177A (en) | 2018-11-01 | 2018-11-01 | A kind of electric vehicles gear shifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811296916.0A CN109114177A (en) | 2018-11-01 | 2018-11-01 | A kind of electric vehicles gear shifting structure |
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| Publication Number | Publication Date |
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| CN109114177A true CN109114177A (en) | 2019-01-01 |
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| CN201811296916.0A Pending CN109114177A (en) | 2018-11-01 | 2018-11-01 | A kind of electric vehicles gear shifting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319158A (en) * | 2019-06-28 | 2019-10-11 | 江苏美械变速箱有限公司 | Gearbox and automobile |
| CN110332287A (en) * | 2019-06-28 | 2019-10-15 | 江苏美械变速箱有限公司 | Gearbox and automobile |
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| CN203823021U (en) * | 2014-05-26 | 2014-09-10 | 重庆市佳南工贸有限公司 | Gearbox for two-wheel electric vehicle |
| CN203836098U (en) * | 2014-05-29 | 2014-09-17 | 重庆市佳南工贸有限公司 | Electric bicycle one-way gliding system with two-gear structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319158A (en) * | 2019-06-28 | 2019-10-11 | 江苏美械变速箱有限公司 | Gearbox and automobile |
| CN110332287A (en) * | 2019-06-28 | 2019-10-15 | 江苏美械变速箱有限公司 | Gearbox and automobile |
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