CN108506469A - Electric vehicle gearshift - Google Patents
Electric vehicle gearshift Download PDFInfo
- Publication number
- CN108506469A CN108506469A CN201810718200.9A CN201810718200A CN108506469A CN 108506469 A CN108506469 A CN 108506469A CN 201810718200 A CN201810718200 A CN 201810718200A CN 108506469 A CN108506469 A CN 108506469A
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- China
- Prior art keywords
- gear
- double
- detent slide
- ratchet
- electric vehicle
- 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.)
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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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
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- 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
- F16H2306/00—Shifting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of electric vehicle gearshifts, the peripheral empty set three of driving sleeve (3) one end keeps off gear (4), three gear gears (4) are equipped with double reduction driving gear (14), the other end of driving sleeve (3) is connect with output spline housing (5), in the middle part of driving sleeve (3) empty set second gear (7) and first gear (6) side by side, double detent slide sets (8) are set between second gear (7) and double reduction driving gear (14), double detent slide sets (8) connect with shift fork (16), shift fork (16) is driven by stepper motor (17) by gear pair.Stepper motor just works when the present invention shifts gears, can the effectively save energy；Only have when high-speed cruising of the present invention primary speed-down therefore efficient point can will be high than traditional shifting motor, and it is convenient, steady to shift gears, and can avoid larger impact force occur when shift；The weight of whole electric vehicle is all born on main shaft, and the difficulty and precision of assembly have not only been reduced, but also be can effectively prevent motor shaft and be broken.
Description
Technical field
The invention belongs to vehicle technology fields, specifically, the shift transmission mechanism more particularly on electric vehicle.
Background technology
Currently, the transmission mechanism of electric vehicle generally uses two gear speed changes, existing deficiency to be：
1) the reduction ratio span between each gear is larger, and reduction ratio is 2 or so；Reduction ratio span too big shift when will appear
Larger impact force thereby results in electric current moment maximum, it is easy to control system be caused to damage.
2) two gear gears are by axis transfer motion power, and axis should bear torque and bear weight again, therefore to axis
Installation accuracy requirement is quite high, and somewhat deviation will result in shaft break of motor.
3) two gear gears are no matter top gear or bottom gear are all three-level decelerations, and in high-speed cruising, efficient point is (defeated
Go out power divided by input power) it is difficult to reach best.
4) shift is controlled by electromagnet, since electromagnet can work always, is bound to cause energy waste in this way.
Invention content
Technical problem to be solved by the present invention lies in providing, a kind of shift is convenient, steady, can effectively improve efficient point
Electric vehicle gearshift.
Technical scheme is as follows：A kind of electric vehicle gearshift includes the main shaft (1) and countershaft of parallel arrangement
(2), it is characterised in that：Driving sleeve (3) is set on the main shaft (1), the peripheral empty set three of driving sleeve (3) one end
Gear (4) is kept off, three gear gears (4) are equipped with double reduction driving gear (14), the other end and the output spline of driving sleeve (3)
(5) connection is covered, tooth is kept off in the middle part of the driving sleeve (3) empty set second gear (7) and first gear (6) side by side, described two
It takes turns and double detent slide sets (8) is set between (7) and double reduction driving gear (14), double detent slide sets (8) pass through flower
Key is set on driving sleeve (3), and the excircle annular groove of double detent slide sets (8) is connect with shift fork (16), the shift fork (16)
It is driven by gear pair by stepper motor (17)；In the opposite end of the second gear (7) and double reduction driving gear (14)
It is both provided on face and double detent slide set (8) matched soldered tooths；The first gear (6) with output spline housing (5) it
Between be equipped with single detent slide set (9), the list detent slide set (9) by spline package on driving sleeve (3), and single pawl
Sliding sleeve (9) is abutted against by spring (10) and output spline housing (5), in the first gear (6) direction output spline housing (5)
End face be equipped with and the matched soldered tooth of single detent slide set (9)；It is set with double reduction driven tooth on the countershaft (2)
Take turns (11), two gear driven gears (12) and a gear driven gear (13), the double reduction driven gear (11) and double reduction
Driving gear (14) engages, and two gear driven gears (12) are engaged with second gear (7), a gear driven gear (13) and a gear
Gear (6) engages.
Using above technical scheme, main shaft is fixed on the car body of electric vehicle, and the wheel hub for exporting spline housing and electric vehicle connects
It connects.Double detent slide sets are driven by stepper motor, and only in shift, stepper motor is just opened, can the effectively save energy.It is electronic
The power of vehicle motor passes to three gear gears and double reduction driving gear by input gear, when double detent slides set neither with
When second gear is engaged, also do not engaged with double reduction driving gear, double reduction driving gear drives double reduction driven tooth
Wheel rotation makes countershaft, two gear driven gears and a gear driven gear rotate together, and two gear driven gears drive second gear empty
Turn, a gear driven gear drives first gear rotation, and under the effect of spring force, single detent slide set connects with first gear
It closes, and is rotated together with first gear, single detent slide set imparts power to driving sleeve, keeps output spline housing defeated to wheel hub
Go out power, corresponds to the bottom gear of electric vehicle at this time.
When double detent slides set is engaged with second gear, two gear driven gears drive second gear rotation, a gear driven
Gear drive first gear rotation, second gear by double detent slides cover drive driving sleeve rotate, make output spline housing to
Wheel hub exports power, corresponds to the middle speed gear of electric vehicle at this time；Since the rotating speed of driving sleeve is higher than the rotating speed of first gear, turning
Under the different knockout press effect of speed, single detent slide set overcomes the elastic force of spring to be moved to output spline housing direction, single detent slide
Set is detached with first gear, and first gear and single detent slide set is made to dally.
When double detent slides set is engaged with double reduction driving gear, double reduction driving gear passes through double detent slides
Set drives driving sleeve rotation, so that output spline housing is exported power to wheel hub, corresponds to the top gear of electric vehicle at this time；It is same with this
When, two gear driven gears drive second gear idle running, and a gear driven gear drives first gear rotation, due to turning for driving sleeve
Speed is higher than the rotating speed of first gear, and under the different knockout press effect of rotating speed, single detent slide set overcomes the elastic force of spring to output
Spline housing direction is moved, and single detent slide set is detached with first gear, and first gear and single detent slide set is made to dally.
It can be seen that the present invention is driven using high, medium and low three gear, the reduction ratio between each gear can be reduced to
1.5 or so, it shifts gears so convenient, steady, can avoid larger impact force occur when shift, to eliminate because of electric current moment
Disadvantage that is maximum and causing control system damage.The present invention uses axle sleeve passing power, main shaft to be solely subjected to weight, is not subject to turn
The weight of square, whole electric vehicle is all born on main shaft, is not influenced on the work of motor, on the one hand reduces dress in this way
The difficulty and precision matched, keep assembly simpler, efficiency of assembling higher；On the other hand, motor shaft is can effectively prevent to be broken.Together
When, the present invention only has primary speed-down in top gear, and the efficient point (output power divided by input power) when high-speed cruising can
Reach best, compared with traditional structure, 4-6 efficient point can be improved.
Pinion gear (18) is set on the output shaft of the stepper motor (17), in the pinion gear (18) and shift fork axle (19)
Toothrow (20) engagement, the shift fork axle (19) fixation vertical with shift fork (16).It is above simple and compact for structure, not only improve arrangement
And assembly, and the reliability of stepper motor shift fork movement can be effectively improved.
It is symmetrically arranged with the first pawl at the both ends of double detent slide sets (8), which presses circumference by multiple
Equally distributed first ratchet (8a) composition, first ratchet (8a) are triangle block structure, and the first ratchet (8a) is prominent
Height in double detent slide set (8) end faces is gradually reduced by circumferencial direction, the second gear (7) or double reduction driving tooth
Soldered tooth on wheel (14) can be connected to each other fitting with corresponding first ratchet (8a).
The first ratchet on double detent slide sets uses triangle block structure, and one side moulding is simple, processing and fabricating
It is easy, intensity is reliable；On the other hand, the end face i.e. working face that the first ratchet protrudes from double detent slide sets is ramp structure,
When double detent slide sets are engaged with corresponding shift gear, each first ratchet is bonded face-to-face with the soldered tooth on shift gear,
It is driven by frictional force, not only ensures the reliability of transmission, and shift is made to be easier, is convenient, can effectively avoid
Beat tooth.
First ratchet (8a) is structure as a whole with double detent slide sets (8), and the working face of the first ratchet (8a) is
Arc surface.The above structure is conducive to processing and fabricating, and the working face of the first ratchet is engaged using arc surface with corresponding shift gear,
Engage it is closer, transmission it is more reliable, and detach be very easy to.
It is provided with the second pawl on end face of the single detent slide set (9) towards first gear (6), second pawl
By it is multiple by even circumferential distribution the second ratchets (9a) form, second ratchet (9a) be triangle block structure, second
The height that ratchet (9a) protrudes from single detent slide set (9) end face is gradually reduced by circumferencial direction, on the first gear (6)
Soldered tooth can be connected to each other with the second ratchet (9a) and be bonded.
Single detent slide covers upper second ratchet and uses triangle block structure, and one side moulding is simple, and processing and fabricating holds
Easily, intensity is reliable；On the other hand, the end face i.e. working face that the second ratchet protrudes from single detent slide set is ramp structure, in list
When detent slide set is engaged with first gear, each second ratchet is bonded face-to-face with the soldered tooth on first gear, passes through friction
Power is driven, and the reliability of transmission is not only ensured, and is detached more convenient, quick.Preferably, the work of the second ratchet
Face is also arc surface.
It is fixed with eccentricity balance-weight block (15) on the outer circumference surface of single detent slide set (9), it can using centrifugal force
Single detent slide set is set to be detached with first gear more rapidly, to further improve the convenience of shift.
The eccentricity balance-weight block (15) is circular ring shape block structure, and is mutually fixed by bolt and single detent slide set (9).
The above structure one side eccentricity balance-weight block moulding is simple, easy to process make, is at low cost；On the other hand, eccentricity balance-weight block dismounts
It is convenient, it is firm with the set connection of single detent slide, and it is very convenient to replace eccentricity balance-weight block.
Advantageous effect：Stepper motor just works when the present invention shifts gears, can the effectively save energy；When high-speed cruising of the present invention
Efficient point (output power divided by input power) can reach best, and it is convenient, steady to shift gears, and can avoid occurring when shift
Larger impact force, to eliminate the disadvantage for causing control system to damage because of electric current moment maximum；The weight of whole electric vehicle
Amount is all born on main shaft, is not influenced on the work of motor, has not only been reduced the difficulty and precision of assembly, but also can effectively prevented
Only motor shaft is broken.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of single detent slide set.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural schematic diagram of double detent slide sets.
Fig. 5 is the vertical view of Fig. 4.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1, the main shaft 1 being connected with electric vehicle car body is fixed, the main shaft 1 is parallel with countershaft 2, countershaft
2 can be freely rotated.Driving sleeve 3 is set on the main shaft 1, which can rotate relative to main shaft 1.Institute
The peripheral empty set three for stating 3 left end as shown of driving sleeve keeps off gear 4, and double reduction driving tooth is arranged in the right end of the three gears gear 4
Wheel 14, it can be integral structure that double reduction driving gear 14 and three, which keeps off gear 4, can also be the split type knot being solidly installed
Structure.The right end of the driving sleeve 3 connect with output spline housing 5, exports spline housing 5 by spline package on driving sleeve 3,
And output spline housing 5 is connect with the wheel hub of electric vehicle, when driving sleeve 3 rotates, can drive output spline housing 5 together
Rotation exports power to the wheel hub of electric vehicle.
As shown in Figure 1, Figure 4, Figure 5, in the middle part of driving sleeve 3 empty set second gear 7 and first gear 6 side by side, two gears
Gear 7 is located at the left side of first gear 6.Double pawls are arranged between the second gear 7 and double reduction driving gear 14 to slide
Dynamic set 8, double detent slide sets 8 are by spline package on driving sleeve 3.It is symmetrical at the both ends of double detent slide sets 8
Be provided with the first pawl, which is made of multiple the first ratchet 8a by even circumferential distribution, the first ratchet 8a with it is double
Detent slide set 8 is structure as a whole, and the number of the first ratchet 8a determines according to actual needs, and the present embodiment is preferably 10.Institute
It is triangle block structure to state the first ratchet 8a, the first ratchet 8a protrude from double detent slides cover 8 end faces (i.e. the first ratchet 8a's
Working face) height be gradually reduced by circumferencial direction, and the working face of the first ratchet 8a be arc surface.
As shown in Figure 1, Figure 4, Figure 5, in the left side of the second gear 7 and the right end of double reduction driving gear 14
Face be equipped with the first matched soldered tooths of ratchet 8a, the number of the soldered tooth is equal with the first ratchet 8a, soldered tooth
Position is opposite with the first ratchet 8a, and the shape of soldered tooth is adapted with the first ratchet 8a, and the soldered tooth can be with the first ratchet
8a is engaged in a manner of opposite fitting.Covered in the double detent slides and be provided with annular groove in the middle part of 8 outer circumference surfaces, the annular groove with
Shift fork 16 connects, and the shift fork 16 and the end of shift fork axle 19 mutually fix, and is equipped with toothrow 20 in shift fork axle 19, the toothrow 20 and
Pinion gear 18 engages, and pinion gear 18 is set on the output shaft of stepper motor 17.When stepper motor 17 is opened, stepping electricity
The output shaft of machine 17 drives pinion gear 18 to rotate, and pinion gear 18 drives shift fork axle 19 to move in left-right direction by toothrow 20, dials
While fork shaft 19 moves, double detent slide sets 8 are stirred by shift fork 16, enable double detent slide sets 8 on driving sleeve 3
Left and right sliding, selectively engages with second gear 7, either engages with double reduction driving gear 14 or is kept off simultaneously with two
Gear 7 and double reduction driving gear 14 detach.
As shown in Figure 1, Figure 2, Figure 3 shows, it is equipped with single detent slide between first gear 6 and output spline housing 5 and covers 9, the list
Detent slide set 9 is by spline package on driving sleeve 3.Bullet is set between the list detent slide set 9 and output spline housing 5
Spring 10,10 ring set of spring is on main shaft 1, and the left end of spring 10 is abutted with single detent slide set 9, the right end of spring 10 and output
Spline housing 5 abuts against.It is formed with the second pawl in the left side of single detent slide set 9, second pawl is by multiple
By the second ratchet 9a compositions of even circumferential distribution, the center of circle of the second surrounded circumference of ratchet 9a covers 9 axis in single detent slide
On line, the number of the second ratchet 9a determines according to actual needs, and the present embodiment is preferably 10.The second ratchet 9a is triangle
Shape block structure, the second ratchet 9a protrude from the height of single detent slide set 9 end faces (i.e. the working face of the second ratchet 9a) by circle
Circumferential direction is gradually reduced, and the working face of the second ratchet 9a is arc surface.It is arranged on the outer circumference surface of single detent slide set 9
There is eccentricity balance-weight block 15, which is circular ring shape block structure, and covers 9 phases with single detent slide by bolt and consolidate
It is fixed.
As shown in Figure 1, Figure 2, Figure 3 shows, it is formed with and the second ratchet 9a is matched connects in the right side of first gear 6
Tooth is closed, the number of the soldered tooth is equal with the second ratchet 9a, and the position of soldered tooth is opposite with the second ratchet 9a, the shape of soldered tooth
It is adapted with the second ratchet 9a, the soldered tooth can be engaged with the second ratchet 9a in a manner of opposite be bonded.
As shown in Figure 1, suit double reduction driven gear 11, two keeps off driven gear 12 successively from left to right on countershaft 2
With a gear driven gear 13, double reduction driven gear 11, two keeps off the gear driven gear 13 of driven gear 12 and one and passes through spline
Coordinate with countershaft 2.The double reduction driven gear 11 is engaged with double reduction driving gear 14, two gear driven gears 12 and two
It keeps off gear 7 to engage, the gear driven gear 13 is engaged with first gear 6.
The present invention has high, medium and low three gears, specific as follows：
When double detent slides set 8 is neither engaged with second gear 7 nor is engaged with double reduction driving gear 14
When, double reduction driving gear 14 drives double reduction driven gear 11 to rotate, and so that countershaft 2, two is kept off driven gear 12 and one and keeps off
Driven gear 13 rotates together, and two gear driven gears 12 drive second gear 7 to dally, and a gear driven gear 13 drives first gear
6 rotations, under the action of 10 elastic force of spring, single detent slide set 9 is engaged with first gear 6, and with 6 turns of first gear
Dynamic, single detent slide set 9 imparts power to driving sleeve 3, and output spline housing 5 is made to export power to wheel hub, at this time corresponding electricity
The bottom gear of motor-car.
When double detent slides set 8 is engaged with second gear 7, double reduction driving gear 14 drives double reduction driven tooth
11 rotation of wheel makes countershaft 2, two keep off the gear driven gear 13 of driven gear 12 and one and rotates together, and two gear driven gears 12 drive two
It keeps off gear 7 to rotate, a gear driven gear 13 drives first gear 6 to rotate, and second gear 7 is driven by double detent slides set 8 and passed
3 rotation of moving axis set, makes output spline housing 5 export power to wheel hub, corresponds to the middle speed gear of electric vehicle at this time；Due to driving sleeve 3
Rotating speed be higher than the rotating speed of first gear 6, under the different knockout press effect of rotating speed, single detent slide set 9 overcomes the bullets of spring 10
Power is moved to 5 direction of output spline housing, and single detent slide set 9 is detached with first gear 6, makes first gear 6 and single detent slide
Set 9 dallies.
When double detent slides set 8 is engaged with double reduction driving gear 14, double reduction driving gear 14 passes through double spine
Pawl sliding sleeve 8 drives driving sleeve 3 to rotate, and so that output spline housing 5 is exported power to wheel hub, corresponds to the high speed of electric vehicle at this time
Gear；At the same time, double reduction driving gear 14 drives double reduction driven gear 11 to rotate, and countershaft 2, two is made to keep off driven gear
12 and one gear driven gear 13 rotate together, two gear driven gears 12 drive second gears 7 dally, one gear driven gear 13 drive
First gear 6 rotates, since the rotating speed of driving sleeve 3 is higher than the rotating speed of first gear 6, under the different knockout press effect of rotating speed,
Single detent slide set 9 is detached with first gear 6, and first gear 6 and single detent slide set 9 is made to dally.
Although the preferred embodiment of the present invention is described above in association with attached drawing, the present invention is not limited to above-mentioned specific
Embodiment, above-mentioned specific implementation mode are only exemplary rather than limited, and those skilled in the art exist
Under the enlightenment of the present invention, without prejudice to the purpose of the present invention and the claims, expression as multiple types can be made, such as
Moulding and the number of sliding sleeve ratchet are changed, or changes the combination etc. of sliding sleeve and corresponding gear, such change
It changes and each falls within protection scope of the present invention.
Claims (8)
1. a kind of electric vehicle gearshift includes the main shaft (1) and countershaft (2) of parallel arrangement, it is characterised in that：In the main shaft
(1) driving sleeve (3) is set on, the peripheral empty set three of driving sleeve (3) one end keeps off gear (4), is set on three gear gears (4)
There is double reduction driving gear (14), the other end of driving sleeve (3) is connect with output spline housing (5), in the driving sleeve
(3) middle part empty set second gear (7) and first gear (6) side by side, the second gear (7) and double reduction driving gear
(14) double detent slide sets (8) are set between, double detent slide sets (8) by spline package on driving sleeve (3), it is double
The excircle annular groove of detent slide set (8) is connect with shift fork (16), and the shift fork (16) passes through gear pair by stepper motor (17)
Driving；It is both provided on the opposing end surface of the second gear (7) and double reduction driving gear (14) and double detent slides
Cover (8) matched soldered tooth；Single detent slide set (9) is equipped between the first gear (6) and output spline housing (5), it should
Single detent slide set (9) by spline package on driving sleeve (3), and single detent slide set (9) by spring (10) with
Output spline housing (5) abuts against, and is equipped on the end face of the first gear (6) direction output spline housing (5) and single pawl is slided
Dynamic set (9) matched soldered tooth；Double reduction driven gear (11), two gear driven gears are set on the countershaft (2)
(12) it is engaged with double reduction driving gear (14) with a gear driven gear (13), the double reduction driven gear (11), two
Gear driven gear (12) is engaged with second gear (7), and a gear driven gear (13) is engaged with first gear (6).
2. electric vehicle gearshift according to claim 1, it is characterised in that：Output shaft in the stepper motor (17)
Upper suit pinion gear (18), the pinion gear (18) are engaged with the toothrow (20) in shift fork axle (19), the shift fork axle (19) with dial
It is vertically fixed to pitch (16).
3. electric vehicle gearshift according to claim 1, it is characterised in that：The two of double detent slide sets (8)
End is symmetrically arranged with the first pawl, which is made of multiple the first ratchets (8a) being distributed by even circumferential, and described the
One ratchet (8a) is triangle block structure, and the first ratchet (8a) protrudes from the height of double detent slide set (8) end faces by circumference
Direction is gradually reduced, and the soldered tooth on the second gear (7) or double reduction driving gear (14) can be with corresponding first
Ratchet (8a) is connected to each other fitting.
4. electric vehicle gearshift according to claim 3, it is characterised in that：First ratchet (8a) slides with double pawls
Dynamic set (8) is structure as a whole, and the working face of the first ratchet (8a) is arc surface.
5. according to the electric vehicle gearshift described in claim 1 or 3 or 4, it is characterised in that：Double detent slide sets (8)
Excircle annular groove be arranged at the middle part of outer circumference surface.
6. electric vehicle gearshift according to claim 1, it is characterised in that：In described single detent slide set (9) direction
It is provided with the second pawl on the end face of first gear (6), second pawl is by multiple the second ratchets being distributed by even circumferential
(9a) is formed, and second ratchet (9a) is triangle block structure, and the second ratchet (9a) protrudes from single detent slide set (9) end
The height in face is gradually reduced by circumferencial direction, and the soldered tooth on the first gear (6) can be connected to each other with the second ratchet (9a)
Fitting.
7. electric vehicle gearshift according to claim 6, it is characterised in that：In the outer of single detent slide set (9)
Eccentricity balance-weight block (15) is fixed on periphery.
8. electric vehicle gearshift according to claim 7, it is characterised in that：The eccentricity balance-weight block (15) is circular ring shape
Block structure, and mutually fixed by bolt and single detent slide set (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718200.9A CN108506469A (en) | 2018-06-30 | 2018-06-30 | Electric vehicle gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718200.9A CN108506469A (en) | 2018-06-30 | 2018-06-30 | Electric vehicle gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506469A true CN108506469A (en) | 2018-09-07 |
Family
ID=63404113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810718200.9A Withdrawn CN108506469A (en) | 2018-06-30 | 2018-06-30 | Electric vehicle gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795140A (en) * | 2020-06-28 | 2020-10-20 | 华南理工大学 | Integrated multifunctional power-assisted gear shifting mechanism |
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|---|---|---|---|---|
| CN201187552Y (en) * | 2008-01-31 | 2009-01-28 | 何良兵 | Electric vehicle two-shift speed changer |
| CN103821881A (en) * | 2014-03-04 | 2014-05-28 | 李红波 | Electric bicycle gear shifting mechanism |
| CN203717803U (en) * | 2014-03-04 | 2014-07-16 | 李红波 | Third gear variable transmission mechanism for electric vehicle |
| CN203717799U (en) * | 2014-03-04 | 2014-07-16 | 李红波 | Gear shift mechanism of electric vehicle |
-
2018
- 2018-06-30 CN CN201810718200.9A patent/CN108506469A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187552Y (en) * | 2008-01-31 | 2009-01-28 | 何良兵 | Electric vehicle two-shift speed changer |
| CN103821881A (en) * | 2014-03-04 | 2014-05-28 | 李红波 | Electric bicycle gear shifting mechanism |
| CN203717803U (en) * | 2014-03-04 | 2014-07-16 | 李红波 | Third gear variable transmission mechanism for electric vehicle |
| CN203717799U (en) * | 2014-03-04 | 2014-07-16 | 李红波 | Gear shift mechanism of electric vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795140A (en) * | 2020-06-28 | 2020-10-20 | 华南理工大学 | Integrated multifunctional power-assisted gear shifting mechanism |
| CN111795140B (en) * | 2020-06-28 | 2024-04-16 | 华南理工大学 | Integrated multifunctional power-assisted gear shifting mechanism |
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