CN208107082U - A kind of gear of electric motor car with two wheels two gearbox - Google Patents
A kind of gear of electric motor car with two wheels two gearbox Download PDFInfo
- Publication number
- CN208107082U CN208107082U CN201820611744.0U CN201820611744U CN208107082U CN 208107082 U CN208107082 U CN 208107082U CN 201820611744 U CN201820611744 U CN 201820611744U CN 208107082 U CN208107082 U CN 208107082U
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- Prior art keywords
- gear
- sliding sleeve
- transmission shaft
- driven gear
- driven
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- 241000217446 Calystegia sepium Species 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 5
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Abstract
The utility model discloses a kind of electric motor car with two wheels two to keep off gearbox, including cabinet, power input shaft, input gear, power output shaft and output gear, and top gear transmission shaft and bottom gear transmission shaft are additionally provided in cabinet；It is equipped with top gear driving gear and top gear driven gear on top gear transmission shaft, a low gear reduction gearing is additionally provided between top gear driving gear and top gear driven gear；Bottom gear driving gear and bottom gear driven gear are equipped on bottom gear transmission shaft；The output gear, on power output shaft, and is engaged with top gear driven gear and bottom gear driven gear simultaneously by isolator installation.The utility model structure is more simple, assembles more convenient, can effectively change the gear ratio of two gear driving gears, so as to provide sufficiently large power in low gear, and after motor stops working, will not give the forward generation resistance of electric vehicle.
Description
Technical field
The utility model relates to electric motor car with two wheels technical fields more particularly to a kind of electric motor car with two wheels two to keep off gearbox.
Background technique
The driving power of common electric vehicle mainly passes through the voltage and current for adjusting input motor, change the revolving speed of motor into
Row speed change.But motor, when adjusting to low-speed running, the power and moment of torsion of output should become smaller, so that electric vehicle was going up a slope
In journey powerlessly, the motor feels hot for Current amplifier when upward slope, and motor and control system is made to be easy to burn.Also, current gearbox knot
Structure is complex, higher using failure rate, and cost is also relatively high.In addition, using the electric vehicle of existing gearbox, due to output
Gear is engaged with driving gear, and driving gear is driven by a motor, and after motor stops working, electric vehicle is in inertia to effect
Continue to move ahead, reversely motor will be driven to rotate, to form resistance to the forward of electric vehicle, electric vehicle is made to stop work in motor
It is very short to continue forward distance after work, causes energy dissipation.
203020506 U of notification number CN discloses a kind of " battery-operated motor cycle side hanging gearbox ", although the gearbox energy
It solves the above problems, but since the speed change of the gearbox is driven mainly by two driving gears on driving shaft and two on output shaft
Two gear speed changes are realized in the cooperation of gear, but since two driving gears are located on same axis, so that assembly is more troublesome；And
In process, since the diameter of driving shaft is certain, so that the gear ratio of two driving gears can not be pulled open effectively, especially low speed
Gear gear can not be accomplished sufficiently small, and in turn resulting in the speed between two gears can not pull open, and especially in climbing or muddy road conditions, hold
Easily occur being short of power and can not moving ahead.
Utility model content
In view of the above shortcomings of the prior art, the purpose of this utility model is to provide a kind of electric motor car with two wheels two gears
Gearbox, structure is more simple, assemble it is more convenient, can effectively change the gear ratio of two gear driving gears, so as to
After low gear provides sufficiently large power, and motor stops working, the forward generation resistance of electric vehicle will not be given.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of electric motor car with two wheels
Two gear gearboxes, including cabinet, power input shaft, input gear, power output shaft and output gear, the input gear with
Power input shaft is fixedly connected；It is characterized in that：Top gear transmission shaft and bottom gear transmission shaft are additionally provided in cabinet；In high speed
It keeps off transmission shaft and is equipped with top gear driving gear and top gear driven gear, wherein top gear driving gear is nibbled with input gear
It closes, and is fixedly connected with top gear transmission shaft, top gear driven gear is rotatably set on top gear transmission shaft；In top gear
A low gear reduction gearing is additionally provided between driving gear and top gear driven gear, the low gear reduction gearing and top gear transmission shaft
It is fixedly connected；It is equipped with sliding sleeve I away from the side of low gear reduction gearing in top gear driven gear, which passes through spiral
Spline is connected with top gear transmission shaft；Several double wedges I are equipped with close to the side of sliding sleeve I in top gear driven gear, are being slided
For set I close to the side of top gear driven gear, corresponding double wedge I is equipped with groove I, when top gear transmission shaft forward or reverse when, it is sliding
Set I can be driven axial top gear driven gear direction along top gear and move, until groove I is inserted in double wedge I, and drive top gear
Driven gear rotates synchronously；
Bottom gear driving gear and bottom gear driven gear are equipped on bottom gear transmission shaft, wherein bottom gear driving tooth
Wheel is engaged with low gear reduction gearing, and is fixedly connected with bottom gear transmission shaft, and bottom gear driven gear is rotatably set in low speed
It keeps off on transmission shaft；It is equipped with sliding sleeve II away from the side of bottom gear driving gear in bottom gear driven gear, the sliding sleeve II is logical
Helical spline is crossed to be connected with bottom gear transmission shaft；Several double wedges are equipped with close to the side of sliding sleeve II in bottom gear driven gear
II, in sliding sleeve II close to the side of bottom gear driven gear, corresponding double wedge II is equipped with groove II, when bottom gear transmission shaft rotates forward
Or when reversion, sliding sleeve II can be driven axial bottom gear driven gear direction along bottom gear and move, until groove II is inserted in double wedge
II, and bottom gear driven gear is driven to rotate synchronously；
Elastic-friction folder is respectively equipped on sliding sleeve I and sliding sleeve II, the elastic-friction folder is V-shaped, opening
It holds to the direction being away from each other and is formed by bending holding ring；Annular groove around it, two elasticity are equipped on sliding sleeve I and sliding sleeve II
The holding ring of friction clamp is located in the annular groove on sliding sleeve I and sliding sleeve II, and tight with sliding sleeve I and sliding sleeve II respectively
It is combined together；A clutch limit plate is additionally provided in cabinet, the middle part of the clutch limit plate passes through pin shaft and cabinet side
Rotation connection；Two limiting slots are equipped on clutch limit plate, two limiting slots are located at the opposite sides of pin shaft；Two elastic-frictions folder
Closed end is located in two limiting slots, and the closed end of two elastic-frictions folder is when being located at the same end of two limiting slots, sliding sleeve I
Discrete state is in top gear driven gear and sliding sleeve II and bottom gear driven gear；In the effect of clutch limit plate
Under, when sliding sleeve I is slided to top gear driven gear direction, sliding sleeve II is slided to away from bottom gear driven gear direction,
Or sliding sleeve II, to when the sliding of bottom gear driven gear direction, sliding sleeve I is slided to away from top gear driven gear direction；
The output gear by isolator installation with power output shaft on, and simultaneously with top gear driven gear and low speed
Keep off driven gear engagement.
Further, one end of two limiting slots is concordant, and the other end extends through the same side of clutch limit plate.
Further, the top gear driven gear and bottom gear driven gear pass through ball bearing respectively and top gear passes
Moving axis is connected with bottom gear transmission shaft.
Further, the output gear is made of gear and isolator.
It further, further include a motor body, which is connected with the side of cabinet, and motor shaft is defeated with power
Enter axis be connected or motor-shaft extending cartonning body in as power input shaft.
Compared with prior art, the utility model has the following advantages that：
1, structure is simple, easy to assembly；Pass through top gear driven gear and bottom gear respectively by top gear and bottom gear
Driven gear is exported, and top gear driven gear and bottom gear driven gear are separately positioned on top gear transmission shaft and low
On speed gear transmission shaft, in this way, in process, it can be as needed by the diameter of top gear transmission shaft and bottom gear transmission shaft
It is arranged to difference, it is sufficiently large so as to accomplish the gap between the transmission ratio between top gear and bottom gear, so as to
Sufficiently large power is provided in climbing or muddy road conditions（Output torque）, making electric motor car with two wheels, speed is more when running at high speed
Fastly, power is stronger when running at a low speed.
2, since output gear is ratchet, this allows for shift or motor when stopping working, will not be to electric vehicle
Generation resistance is slided forward, so that the distance for enabling battery-operated motor cycle to slide is farther, it is more energy saving.
Detailed description of the invention
Fig. 1 is the drive mechanism schematic diagram of the utility model.
Fig. 2 be Fig. 1 along A-A to cross-sectional view.
Fig. 3 is the structural schematic diagram of elastic-friction folder.
Fig. 4 is the structural schematic diagram of clutch limit plate.
In figure：1-power input shaft, 2-input gears, 3-power output shafts, 4-output gears, 5-top gears pass
Moving axis, 6-bottom gear transmission shafts, 7-top gear driving gears, 8-top gear driven gears, 9-low gear reduction gearing, 10-
Sliding sleeve I, 11-bottom gear driving gears, 12-bottom gear driven gears, 13-sliding sleeves II, 14-elastic-frictions folder,
15-clutch limit plates, 16-limiting slots.
Specific embodiment
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment：Referring to Fig. 1 to Fig. 4, a kind of electric motor car with two wheels two keeps off gearbox, including cabinet, power input shaft 1, defeated
Enter gear 2, power output shaft 3 and output gear 4；The input gear 2 is fixedly connected with power input shaft 1；In cabinet
It is additionally provided with top gear transmission shaft 5 and bottom gear transmission shaft 6.
Top gear driving gear 7 and top gear driven gear 8 are equipped on top gear transmission shaft 5；Wherein, top gear active
Gear 7 is engaged with input gear 2, and is fixedly connected with top gear transmission shaft 5, and top gear driven gear 8 is rotatably set in height
On speed gear transmission shaft 5；When it is implemented, top gear driven gear 8 is connected by ball bearing with top gear transmission shaft 5, it can
Progress freely rotates and reverse.A low gear reduction gearing is additionally provided between top gear driving gear 7 and top gear driven gear 8
9, which is fixedly connected with top gear transmission shaft 5.In top gear driven gear 8 away from low gear reduction gearing 9
Side is equipped with sliding sleeve I 10, which is connected by helical spline with top gear transmission shaft 5.In top gear driven gear
8 are equipped with several double wedges I close to the side of sliding sleeve I 10, and in sliding sleeve I 10 close to the side of top gear driven gear 8, correspondence is convex
Tooth I is equipped with groove I.During actual processing, outer spiral spline is equipped on top gear transmission shaft 5, the outer spiral spline is from height
Speed gear driven gear 8 extends away from 7 one side of top gear driving gear to 5 end of top gear transmission shaft；It is set in I 10 inside of sliding sleeve
There is an inside spin keyway matched with outer spiral spline, during sliding sleeve I 10 is slided along top gear transmission shaft 5, is able to achieve
With the separation and combination of top gear driven gear 8.When top gear transmission shaft 5 forward or reverse when, sliding sleeve I can be passed along top gear
Moving axis 5 is mobile to 8 direction of top gear driven gear, until groove I is inserted in double wedge I, and drives top gear driven gear 8 with high speed
Driving gear 7 is kept off to rotate synchronously.
Bottom gear driving gear 11 and bottom gear driven gear 12 are equipped on bottom gear transmission shaft 6；Wherein, bottom gear master
Moving gear 11 is engaged with low gear reduction gearing 9, and is fixedly connected with bottom gear transmission shaft 6, and bottom gear driven gear 12 can be rotated
It is set on bottom gear transmission shaft 6；When it is implemented, bottom gear driven gear 12 passes through ball bearing and bottom gear transmission shaft 6
It is connected, is able to carry out and freely rotates and reverse.It is equipped in bottom gear driven gear 12 away from the side of bottom gear driving gear 11
Sliding sleeve II 13, the sliding sleeve II 13 are connected by helical spline with bottom gear transmission shaft 6.It is close in bottom gear driven gear 12
The side of sliding sleeve II 13 is equipped with several double wedges II, and in sliding sleeve II 13 close to the side of bottom gear driven gear 12, correspondence is convex
Tooth II is equipped with groove II.During actual processing, on bottom gear transmission shaft 6 be equipped with outer spiral spline, the outer spiral spline from
Bottom gear driven gear 12 extends away from 11 1 side of bottom gear driving gear to 6 end of bottom gear transmission shaft；In sliding sleeve II 13
Inside is equipped with the inside spin keyway that matches with outer spiral spline, during sliding sleeve II 13 is slided along bottom gear transmission shaft 6,
It is able to achieve the separation and combination with bottom gear driven gear 12.When bottom gear transmission shaft 6 forward or reverse when, sliding sleeve II being capable of edge
Bottom gear transmission shaft 6 is mobile to 12 direction of bottom gear driven gear, until groove II is inserted in double wedge II, and drives bottom gear driven
Gear 12 rotates synchronously.
Elastic-friction folder 14 is respectively equipped on sliding sleeve I 10 and sliding sleeve II 13, the elastic-friction folder 14 is in V
Type, open end are formed by bending holding ring to the direction being away from each other；By the effect of elastic-friction folder 14, make I 10 He of sliding sleeve
Sliding sleeve II 13 can be slided along top gear transmission shaft 5 and bottom gear transmission shaft 6 respectively.In sliding sleeve I 10 and sliding sleeve II 13
On be equipped with annular groove around it, the holding ring of two elastic-frictions folder 14 is located on sliding sleeve I 10 and sliding sleeve II 13
In annular groove, and tightly fitted in together respectively with sliding sleeve I 10 and sliding sleeve II 13；There is friction i.e. between holding ring and annular groove
Power.A clutch limit plate 15 is additionally provided in cabinet, the middle part of the clutch limit plate 15 passes through pin shaft and cabinet side（Sliding
Cover the same side of I 10 and sliding sleeve II 13）Rotation connection.Two limiting slots 16, two limiting slots 16 are equipped on clutch limit plate 15
Positioned at the opposite sides of pin shaft.When it is implemented, one end of two limiting slots 16 is concordant, the other end extends through clutch limit plate
15 the same side, and form open end；The closed end of two elastic-frictions folder 14 is located in two limiting slots 16, and when two elasticity
The closed end of friction clamp 14 is located at the same end of two limiting slots 16（Closed end）When, sliding sleeve I 10 and top gear driven gear 8 with
Sliding sleeve II 13 and bottom gear driven gear 12 are in discrete state.Under the action of clutch limit plate 15, when sliding sleeve I 10
When sliding to 8 direction of top gear driven gear, sliding sleeve II 13 is to away from the sliding of 12 direction of bottom gear driven gear or sliding sleeve
II 13 to when the sliding of 12 direction of bottom gear driven gear, and sliding sleeve I 10 is slided to away from 8 direction of top gear driven gear.Pass through
Clutch limit plate 15 is set, the gear of electric motor car with two wheels can be made to switch more accurate, and two-wheel electric can be effectively prevent
Vehicle reversing, forms self-locking when especially slipping by slope.
The output gear 4 by isolator installation on power output shaft, and simultaneously with top gear driven gear 8 and low
Speed gear driven gear 12 engages；Wherein, the output gear 4 is also by gear and isolator（Unilateral bearing）It constitutes, to make to process
More convenient and cost is lower.
As an implementation, the utility model further includes a motor body, and the motor body and above-mentioned two gear become
Variable speed electric motors, particularly assembly is integrally formed in fast case.The motor body is connected with the side of cabinet, and motor shaft is connected with power input shaft,
Or power input shaft is used as in motor-shaft extending cartonning body.
Finally, it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, those skilled in the art should understand that, those are modified to the technical solution of the utility model or are equal
Replacement, without departing from the objective and range of the technical program, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of electric motor car with two wheels two keeps off gearbox, including cabinet, power input shaft, input gear, power output shaft and defeated
Gear out, the input gear are fixedly connected with power input shaft；It is characterized in that：Top gear transmission shaft is additionally provided in cabinet
With bottom gear transmission shaft；Top gear driving gear and top gear driven gear are equipped on top gear transmission shaft, wherein top gear
Driving gear is engaged with input gear, and is fixedly connected with top gear transmission shaft, and top gear driven gear is rotatably set in height
On speed gear transmission shaft；A low gear reduction gearing, the low gear are additionally provided between top gear driving gear and top gear driven gear
Reduction gearing is fixedly connected with top gear transmission shaft；Sliding is equipped with away from the side of low gear reduction gearing in top gear driven gear
Set I, the sliding sleeve I are connected by helical spline with top gear transmission shaft；In top gear driven gear close to the side of sliding sleeve I
Equipped with several double wedges I, in sliding sleeve I close to the side of top gear driven gear, corresponding double wedge I is equipped with groove I, when top gear passes
Moving axis forward or reverse when, sliding sleeve I can be driven axial top gear driven gear direction along top gear and move, until groove I set
Enter double wedge I, and top gear driven gear is driven to rotate synchronously；
On bottom gear transmission shaft be equipped with bottom gear driving gear and bottom gear driven gear, wherein bottom gear driving gear with
The engagement of low gear reduction gearing, and be fixedly connected with bottom gear transmission shaft, bottom gear driven gear is rotatably set in bottom gear biography
On moving axis；It is equipped with sliding sleeve II away from the side of bottom gear driving gear in bottom gear driven gear, which passes through spiral shell
Japanese bearbind key is connected with bottom gear transmission shaft；Several double wedges II are equipped with close to the side of sliding sleeve II in bottom gear driven gear,
Sliding sleeve II is equipped with groove II close to the side of bottom gear driven gear, corresponding double wedge II, when the rotating forward of bottom gear transmission shaft or instead
When turning, sliding sleeve II can be driven axial bottom gear driven gear direction along bottom gear and move, until groove II is inserted in double wedge II, and
Bottom gear driven gear is driven to rotate synchronously；
Elastic-friction folder is respectively equipped on sliding sleeve I and sliding sleeve II, elastic-friction folder is V-shaped, open end to
The direction being away from each other is formed by bending holding ring；Annular groove around it, two elastic-frictions are equipped on sliding sleeve I and sliding sleeve II
The holding ring of folder is located in the annular groove on sliding sleeve I and sliding sleeve II, and respectively with II tight fit of sliding sleeve I and sliding sleeve
Together；A clutch limit plate is additionally provided in cabinet, the middle part of the clutch limit plate is rotated by pin shaft and cabinet side
Connection；Two limiting slots are equipped on clutch limit plate, two limiting slots are located at the opposite sides of pin shaft；The closing of two elastic-frictions folder
End is located in two limiting slots, and the closed end of two elastic-frictions folder is when being located at the same end of two limiting slots, sliding sleeve I and height
Speed gear driven gear and sliding sleeve II and bottom gear driven gear are in discrete state；Under the action of clutch limit plate, when
When sliding sleeve I is slided to top gear driven gear direction, sliding sleeve II is slided to away from bottom gear driven gear direction, or sliding
When set II is slided to bottom gear driven gear direction, sliding sleeve I is slided to away from top gear driven gear direction；
The output gear by isolator installation on power output shaft, and simultaneously with top gear driven gear and bottom gear from
Moving gear engagement.
2. a kind of electric motor car with two wheels two according to claim 1 keeps off gearbox, it is characterised in that：The one of two limiting slots holds level with both hands
Together, the other end extends through the same side of clutch limit plate.
3. a kind of electric motor car with two wheels two according to claim 1 keeps off gearbox, it is characterised in that：The top gear driven tooth
Wheel and bottom gear driven gear pass through ball bearing respectively and are connected with top gear transmission shaft and bottom gear transmission shaft.
4. a kind of electric motor car with two wheels two according to claim 1 keeps off gearbox, it is characterised in that：The output gear is by tooth
Wheel and isolator are constituted.
5. a kind of electric motor car with two wheels two according to claim 1 keeps off gearbox, it is characterised in that：It further include a motor sheet
Body, the motor body are connected with the side of cabinet, motor shaft be connected with power input shaft or motor-shaft extending cartonning body in conduct
Power input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611744.0U CN208107082U (en) | 2018-04-26 | 2018-04-26 | A kind of gear of electric motor car with two wheels two gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611744.0U CN208107082U (en) | 2018-04-26 | 2018-04-26 | A kind of gear of electric motor car with two wheels two gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107082U true CN208107082U (en) | 2018-11-16 |
Family
ID=64117408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820611744.0U Expired - Fee Related CN208107082U (en) | 2018-04-26 | 2018-04-26 | A kind of gear of electric motor car with two wheels two gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118792A1 (en) * | 2018-12-11 | 2020-06-18 | 徐州南普机电科技有限公司 | Automatic gearbox of new-energy electric vehicle |
-
2018
- 2018-04-26 CN CN201820611744.0U patent/CN208107082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118792A1 (en) * | 2018-12-11 | 2020-06-18 | 徐州南普机电科技有限公司 | Automatic gearbox of new-energy electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200225 Address after: No.24 Zang Yishang, Xiaocao village committee, Qianhuang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Zang Wenye Address before: 443711 153 democratic Street, Zhaojun Town, Xingshan County, Hubei. Patentee before: Luo Gang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |