CN205859085U - A kind of automatic gear-box for electric motor car - Google Patents
A kind of automatic gear-box for electric motor car Download PDFInfo
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- CN205859085U CN205859085U CN201620847784.6U CN201620847784U CN205859085U CN 205859085 U CN205859085 U CN 205859085U CN 201620847784 U CN201620847784 U CN 201620847784U CN 205859085 U CN205859085 U CN 205859085U
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- output shaft
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Abstract
The utility model discloses a kind of automatic gear-box for electric motor car, including power shaft, output shaft, first gear and the second gear, described first gear includes one grade of driving gear, first speed driven gear and for controlling the first clutch that first speed driven gear is connected with output shaft or disengages, one grade of driving gear is meshed with first speed driven gear, second gear includes two grades of driving gears, two grades of driven gears and the second clutch being connected with output shaft for two grades of driven gears of control or disengaging, two grades of driving gears and two grades of driven gears are meshed, described one grade of driving gear and two grades of driving gears are all connected with power shaft.It can realize the gear shift of electric motor car power failure-free, and transmission efficiency is high, promotes electrical vehicular power performance, and simple in construction, compact, low cost.
Description
Technical field
This utility model relates to change speed gear box technical field, especially relates to a kind of automatic gear-box for electric motor car.
Background technology
In electric motor car, generally use single-stage speed reducing case, be unfavorable for the raising of normal kinetic and economy；Or minority uses
Two shift automatic variable speed casees, but existing two shift automatic variable speed box structures are complicated, and in gearshift procedure, there is power interruption, impact
The performance of electric motor car.
Piston in existing employing clutch is in rotation status, causes space the compactest, and the oil in piston is deposited
In centrifugal force, Stress control inaccuracy.
Utility model content
Not enough for prior art, technical problem to be solved in the utility model be to provide a kind of for electric motor car from
Dynamic change speed gear box, it can realize the gear shift of power failure-free.
In order to solve above-mentioned technical problem, the technical scheme that this utility model is used is:
This is used for the automatic gear-box of electric motor car, including power shaft, output shaft, the first gear and the second variable-speed motor
Structure, described first gear includes one grade of driving gear, first speed driven gear and for controlling first speed driven gear with defeated
The first clutch that shaft is connected or disengages, one grade of driving gear is meshed with first speed driven gear, the second gear bag
Include two grades of driving gears, two grades of driven gears and for control two grades of driven gears be connected with output shaft or disengage second
Clutch, two grades of driving gears and two grades of driven gears are meshed, and described one grade of driving gear and two grades of driving gears are all with defeated
Enter axle to be connected.
Described power shaft and output shaft side by side parallel are arranged.
Parking wheel it is connected with on described output shaft.Further, described parking wheel is located at the end of output shaft.
Also include that master subtracts gear and differential mechanism, subtract gear by master between described differential mechanism and output shaft and be connected.Described defeated
Shaft is between power shaft and the rotating shaft of differential mechanism.
Described first clutch is identical with second clutch structure, and it includes piston, thrust bearing and friction plate group, institute
Stating piston to be located on gear box casing, the head of piston is by thrust bearing and friction plate group phase separation.
Described first clutch and second clutch are respectively positioned between first speed driven gear and two grades of driven gears, or the
One clutch is positioned at the outside of first speed driven gear, and second clutch is positioned at the outside of two grades of driven gears.
Described first speed driven gear and two grades of equal empty sets of driven gear on output shaft, first speed driven gear and two grades driven
Gear is connected with corresponding friction plate group respectively.
Described friction plate group includes the first friction plate group and the second friction plate group, the first friction plate group and driven gear phase
Even, the second friction plate group is connected with output shaft.
This utility model compared with prior art, has the advantage that
This automatic gear-box reasonable in design, it can realize the gear shift of electric motor car power failure-free, transmission efficiency height, carry
Rise electrical vehicular power performance, and simple in construction, compact, low cost；Clutch connection and reasonable arrangement, can reduce arrangement space, from
In clutch, plunger shaft does not rotates, and without the centrifugal force impact on pressure, beneficially Stress control, Clutch Control is more accurate.
Accompanying drawing explanation
Content expressed by width accompanying drawing each to this specification and the labelling in figure are briefly described below:
Fig. 1 is this utility model automatic gear-box structural representation one.
Fig. 2 is this utility model automatic gear-box structural representation two.
Fig. 3 is this utility model automatic gear-box structural representation three.
In figure: 1. first clutch, 2. one grade of driving gear, 3. first speed driven gear, 4. two grades of driving gears, 5. two grades
Driven gear, 6. second clutch, 7. deceleration driving gear, 8. reduction driven gear, 9. power shaft, 10. output shaft, 11. poor
Speed device, 12. gear box casings, 13. pistons, 14. thrust bearings, 15. friction plate groups, 16. parking wheels.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, detailed description of the invention of the present utility model is made the most in detail
Thin explanation.
As shown in Figure 1 to Figure 3, this is used for two shift automatic variable speed casees of electric motor car, subtracts including power shaft 9, output shaft 10, master
Gear, differential mechanism the 11, first gear and the second gear, wherein, power shaft 9 and output shaft 10 and differential mechanism 11
Rotating shaft between be disposed in parallel relation to one another side by side, output shaft 10 is between the rotating shaft of power shaft 9 and differential mechanism 11, and differential mechanism is with defeated
It is connected by the main gear that subtracts between shaft, compact conformation, it is simple to arrange.
First gear include one grade of driving gear 2, first speed driven gear 3 and for control first speed driven gear with
The first clutch 1 that output shaft is connected or disengages, one grade of driving gear 2 is meshed with first speed driven gear 3, one grade of driving tooth
Wheel 2 is fixed on power shaft 9, first speed driven gear 3 empty set on output shaft 10, by first clutch 1 control one grade driven
The connection of gear and output shaft or disconnection.
Second gear include 4, two grades of driven gears 5 of two grades of driving gears and for control two grades of driven gears with
The second clutch 6 that output shaft is connected or disengages, two grades of driving gears 4 are meshed with two grades of driven gears 5, two grades of driving tooths
Wheel 4 is fixed on power shaft 9, and two grades of driven gear 5 empty sets, on output shaft 10, control two grades of driven tooth by second clutch
Take turns the connection with output shaft or disconnection.
Wherein, first clutch is identical with second clutch structure, and it includes piston 13, thrust bearing 14 and friction plate
Group 15, piston is located on gear box casing 12, and the head of piston is by thrust bearing and friction plate group phase separation.One grade of driven tooth
Wheel is connected with corresponding friction plate group respectively with two grades of driven gears.Friction plate group includes the first friction plate group and the second friction plate
Group, the first friction plate group is connected with driven gear, and the second friction plate group is connected with output shaft.In clutch, plunger shaft does not rotates,
Without the centrifugal force impact on pressure, beneficially Stress control, Clutch Control is more accurate.
Two shift automatic variable speed case concrete structures are described in detail by following three embodiments:
Preferred arrangement one: as it is shown in figure 1, one grade of driving gear 2 and two grades of driving gears 4 are each attached to input side by side
On axle 9, first speed driven gear 3 and two grades of driven gears 5 all empty sets side by side on output shaft 10, one grade of driving gear and one grade from
Moving gear is meshed, and two grades of driving gears and two grades of driven gears are meshed.
First clutch 1 is positioned at the outside of first speed driven gear, and second clutch 6 is positioned at the outside of two grades of driven gears,
The main deceleration driving gear 7 subtracting gear is fixed on output shaft 10, deceleration driving gear be positioned at first speed driven gear and two grades from
The centre of moving gear, deceleration driving gear is meshed with the reduction driven gear 8 being connected in differential mechanism 11.Parking wheel 16 is fixed on defeated
The end of shaft 10.
Preferred arrangement two: as in figure 2 it is shown, one grade of driving gear 2 and two grades of driving gears 4 are each attached to input side by side
On axle 9, first speed driven gear 3 and two grades of driven gears 5 all empty sets side by side on output shaft 10, one grade of driving gear and one grade from
Moving gear is meshed, and two grades of driving gears and two grades of driven gears are meshed.
First clutch 1 is positioned at the inner side of first speed driven gear, and second clutch 6 is positioned at the inner side of two grades of driven gears,
I.e. two clutches between first speed driven gear and two grades of driven gears, compact conformation；The main deceleration active subtracting gear
Gear 7 is fixed on one end of output shaft, and deceleration driving gear 7 is meshed with the reduction driven gear 8 being connected in differential mechanism.Parking is taken turns
16 other ends being fixed on output shaft.
Preferred arrangement three: as it is shown on figure 3, one grade of driving gear 2 and two grades of driving gears 4 are each attached to input side by side
On axle, first speed driven gear 3 and two grades of driven gears 5 all empty sets side by side on output shaft, one grade of driving gear and one grade driven
Gear is meshed, and two grades of driving gears and two grades of driven gears are meshed.
First clutch 1 is positioned at the outside of first speed driven gear, and second clutch 6 is positioned at the outside of two grades of driven gears.
The main deceleration driving gear 7 subtracting gear and parking wheel 16 are fixed on the same one end of output shaft, deceleration driving gear 7 be connected in difference
The reduction driven gear 8 of speed device 11 is meshed.
Three kinds of preferred arrangement simple in construction, compact, take up room little, it is simple to arrange in electric motor car and install.
Two shift automatic variable speed casees each gear transfer route:
Transfer route when one grade is:
When one grade, first clutch works, and makes first speed driven gear connect firmly with output shaft, and power enters according to the route of lower section
Row transmission:
Power shaft → mono-grade driving gear → first speed driven gear → first clutch → output shaft → deceleration driving gear
→ reduction driven gear → differential mechanism.
Transfer route when two grades is:
When two grades, second clutch works, and makes two grades of driven gears connect firmly with output shaft, and power enters according to the route of lower section
Row transmission:
Power shaft → bis-grade driving gear → bis-grade driven gear → second clutch → output shaft → deceleration driving gear
→ reduction driven gear → differential mechanism.
The control mode of clutch:
Piston, under the effect of hydraulic oil, compresses clutch friction plate by thrust bearing, thus controls clutch moment of torque.
Arrange due to piston and be fixed in housing, do not rotate during work, connected the friction group rotated by thrust bearing.Plunger shaft is not revolved
Turning, without the centrifugal force impact on pressure, beneficially Stress control, Clutch Control is more accurate.
Automatic shift control mode:
The starting of one grade of vehicle travels, and second clutch unclamps first clutch and engages, when speed reaches current motor load
Shift-up point speed time, be switched to two grades, first clutch unclamp second clutch engage；When speed drops to current motor load
Downshift point speed time, be switched to one grade, second clutch unclamp first clutch engage.
The judgement of shifting points speed and clutch engage and the control unclamped is by transmission control unit control, it is achieved electricity
The gear shift of two grades of power failure-free of motor-car, transmission efficiency is high, promotes electrical vehicular power performance.
Above in conjunction with accompanying drawing, this utility model is exemplarily described, it is clear that this utility model implements and is not subject to
The restriction of aforesaid way, as long as have employed design of the present utility model and the improvement of various unsubstantialities that technical scheme is carried out,
Or the most improved design of the present utility model and technical scheme are directly applied to other occasion, all guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. for an automatic gear-box for electric motor car, including power shaft, output shaft, the first gear and the second variable-speed motor
Structure, it is characterised in that: described first gear include one grade of driving gear, first speed driven gear and for control one grade from
The first clutch that moving gear is connected with output shaft or disengages, one grade of driving gear is meshed with first speed driven gear, and second
Gear include two grades of driving gears, two grades of driven gears and for control two grades of driven gears be connected with output shaft or
The second clutch disengaged, two grades of driving gears and two grades of driven gears are meshed, described one grade of driving gear and two grades of actives
Gear is all connected with power shaft.
2. as claimed in claim 1 for the automatic gear-box of electric motor car, it is characterised in that: described power shaft and output shaft are side by side
It is arranged in parallel.
3. as claimed in claim 1 for the automatic gear-box of electric motor car, it is characterised in that: it is connected with parking on described output shaft
Wheel.
4. as claimed in claim 1 for the automatic gear-box of electric motor car, it is characterised in that: also include that master subtracts gear and differential
Device, subtracts gear by master between described differential mechanism and output shaft and is connected.
5. as claimed in claim 1 for the automatic gear-box of electric motor car, it is characterised in that: described first clutch and second from
Clutch structure is identical, and it includes piston, thrust bearing and friction plate group, and described piston is located on gear box casing, piston
Head is by thrust bearing and friction plate group phase separation.
6. as claimed in claim 1 for the automatic gear-box of electric motor car, it is characterised in that: described first clutch and second from
Clutch is respectively positioned between first speed driven gear and two grades of driven gears, or first clutch is positioned at outside first speed driven gear
Side, second clutch is positioned at the outside of two grades of driven gears.
7. as claimed in claim 3 for the automatic gear-box of electric motor car, it is characterised in that: described parking wheel is located at output shaft
End.
8. as claimed in claim 4 for the automatic gear-box of electric motor car, it is characterised in that: described output shaft be positioned at power shaft and
Between the rotating shaft of differential mechanism.
9. as claimed in claim 5 for the automatic gear-box of electric motor car, it is characterised in that: described first speed driven gear and two grades
The equal empty set of driven gear is on output shaft, and first speed driven gear and two grades of driven gears are connected with corresponding friction plate group respectively.
10. as claimed in claim 5 for the automatic gear-box of electric motor car, it is characterised in that: described friction plate group includes first
Friction plate group and the second friction plate group, the first friction plate group is connected with driven gear, and the second friction plate group is connected with output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847784.6U CN205859085U (en) | 2016-08-08 | 2016-08-08 | A kind of automatic gear-box for electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847784.6U CN205859085U (en) | 2016-08-08 | 2016-08-08 | A kind of automatic gear-box for electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859085U true CN205859085U (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847784.6U Active CN205859085U (en) | 2016-08-08 | 2016-08-08 | A kind of automatic gear-box for electric motor car |
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| Country | Link |
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| CN (1) | CN205859085U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090173A (en) * | 2016-08-08 | 2016-11-09 | 吉孚动力技术(中国)有限公司 | A kind of automatic gear-box for electric motor car |
| CN108343737A (en) * | 2017-01-22 | 2018-07-31 | 长城汽车股份有限公司 | Gearshift and vehicle |
| CN111907637A (en) * | 2020-08-17 | 2020-11-10 | 温岭市九洲电机制造有限公司 | Electric motor car side-hanging driving motor assembly |
-
2016
- 2016-08-08 CN CN201620847784.6U patent/CN205859085U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090173A (en) * | 2016-08-08 | 2016-11-09 | 吉孚动力技术(中国)有限公司 | A kind of automatic gear-box for electric motor car |
| CN108343737A (en) * | 2017-01-22 | 2018-07-31 | 长城汽车股份有限公司 | Gearshift and vehicle |
| CN111907637A (en) * | 2020-08-17 | 2020-11-10 | 温岭市九洲电机制造有限公司 | Electric motor car side-hanging driving motor assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |