CN209511027U - A kind of gear parallel institution for automatic transmission and corresponding automatic transmission - Google Patents
A kind of gear parallel institution for automatic transmission and corresponding automatic transmission Download PDFInfo
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- CN209511027U CN209511027U CN201821812704.9U CN201821812704U CN209511027U CN 209511027 U CN209511027 U CN 209511027U CN 201821812704 U CN201821812704 U CN 201821812704U CN 209511027 U CN209511027 U CN 209511027U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
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- 210000000515 tooth Anatomy 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a kind of gear parallel institution for automatic transmission and corresponding automatic transmission, and the gear parallel institution includes axis and by the shaft-driven power transmitting gear group, and power transmitting gear group includes at least two power transmitting gears.In addition, gear parallel institution further includes a functional gear, the functionality gear is set between power transmitting gear and is also driven by the axis.The utility model has not only saved the space in transmission case body, can also simplify structure, be conducive to save the cost.
Description
Technical field
The utility model relates to automotive transmission technical fields, simultaneously more particularly to a kind of gear for automatic transmission
Online structure and corresponding automatic transmission.
Background technique
Development energy conservation and new-energy automobile have become the inevitable choice of China's energy strategy, and current emphasis is to promote pure electricity
Electrical automobile and plug-in hybrid-power automobile industrialization popularize non-plug-in hybrid-power automobile, energy-saving IC engine automobile,
It is horizontal to promote China's automobile industry overall technology.
The speed change of electric car is mainly the following scheme at present.Scheme is first is that using fixed reduction ratio；Scheme second is that
Using a two speed transmission；Scheme is third is that the speed changer using conventional fuel oil car carries out speed change.Since motor itself has height
The wider feature in efficiency section, the speed changer of conventional fuel oil car generally have four to seven gears, are used for pure electric automobile
Speed change, which seems, wastes one's talent on a petty job.If using fixed reduction ratio, drive system structure be simply, but can generate accelerating ability and
The poor defect of grade climbing performance.Therefore it is proposed that the scheme of two speed transmission, with big retarding ratio when running at a low speed, realize compared with
Good starting performance meets the requirement of the max speed with small reduction ratio when running at high speed.
The existing speed changer for electric car includes input axle assembly, countershaft assembly, output assembly and shell.
Countershaft assembly generally includes jackshaft, and the jackshaft is for supporting multiple power transmitting gears, such as gear a driven gear, two
Keep off driven gear, main reducing gear driving gear.And the then function such as parking gear, speed probe gear and oily pump driver gear
Energy property gear is then supported on the input shaft of input axle assembly or on the output shaft of export axle assembly.However, current this tooth
Wheel is arranged so that the design space of speed changer becomes smaller, it is difficult to adapt to requirement of the different automobile types to speed changer.Meanwhile it inputting
Functional gear is arranged on axis or output shaft to need that axial restraint element is arranged for functional gear, which results in the complexity of structure
With the increase of cost.
Utility model content
In order to solve the above technical problems, the utility model proposes a kind of gear parallel machines with for automatic transmission
Structure comprising axis and by the shaft-driven power transmitting gear group, power transmitting gear group includes at least two power transmission tooths
Wheel.Also, gear parallel institution further includes functional gear, and the functionality gear is set between power transmitting gear and also
It is driven by the axis.
Preferred embodiment according to the present utility model, the axis are the jackshaft of automatic transmission.
Preferred embodiment according to the present utility model, the power transmitting gear group include driven gear and retarder master
Moving gear, the functionality gear are set between driven gear and retarder driving gear.
Preferred embodiment according to the present utility model, the functionality gear is parking gear.
Preferred embodiment according to the present utility model, the functionality gear is speed probe gear.
Preferred embodiment according to the present utility model, the functionality gear are oily pump driver gear.
Preferred embodiment according to the present utility model, the functionality gear is by key or spline in conjunction with the axis.
The axial movement of preferred embodiment according to the present utility model, the functionality gear is passed by the power at its both ends
Pass gear limitation.
The utility model also proposes a kind of automatic transmission, including mentioned-above gear parallel institution.
The utility model has not only saved the space in transmission case body, and power transmitting gear group can on the other hand limited
Movement of the functionality gear on axially is made, so as to omit the fixed part functional gear being fixed on axis
Part simplifies structure, is conducive to save the cost.
Detailed description of the invention
Fig. 1 is the working principle diagram of the two-speed automatic transmission of one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the jackshaft gear parallel institution of one embodiment of the utility model.
Specific embodiment
Generally speaking, the utility model proposes a kind of gear parallel institution for automatic transmission, including axis and by this
Shaft-driven power transmitting gear group and functional tooth are done, and power transmitting gear group includes at least two power transmitting gears, institute
Functional gear is stated to be set between power transmitting gear and also driven by the axis.Here, power transmitting gear refers to using
In the transmission gear of the power of transmitting driving vehicle, functional gear refers to the gear for being not intended to transmitting vehicle drive force.
In the utility model, the axis of this automatic transmission refer to the various rotation axis in speed changer, including power is defeated
Enter axis, jackshaft or power output shaft etc..But the axis of the utility model is preferably the jackshaft having with power transmitting gear group,
And the functional gear is set between driven gear and retarder driving gear.This aspect has been saved empty in shell
Between, power transmitting gear group can be made to limit movement of the functionality gear on axially, on the other hand so as to save
Functional gear is slightly fixed on the fixation member on axis, simplifies structure, is conducive to save the cost.
According to the utility model, the functionality gear can be parking gear, speed probe gear or oil pump driving
Gear etc..Functional gear can be by key or spline in conjunction with the axis.
Fig. 1 is the working principle diagram of the two-speed automatic transmission of one embodiment of the utility model.As shown in Figure 1, two
Speed automatic transmission includes input axle assembly I, countershaft assembly M, output assembly O and shell 1.Input axle assembly I, centre
Axle assembly M, the rotation centerline for exporting assembly O are parallel, and input axle assembly I, countershaft assembly M, output assembly O are pacified
On shell.The input axle assembly I includes input shaft, a gear driving gear shaft, two gear driving gear axis, a gear shift
Executing agency A1, second gear gear shifting actuating mechanism A2, a gear clutch C1, second gear clutch C2 etc..Countershaft assembly M includes centre
A gear driven gear, second gear driven gear, parking gear and main reducing gear driving gear etc. are fixed on axis, jackshaft.Output
Assembly O includes main reducing gear driven gear, differential assembly etc..Also, parking gear is located at second gear driven gear and main deceleration
Between device driving gear.
Fig. 2 is the structural schematic diagram of the jackshaft gear parallel institution of above-described embodiment.As shown in Fig. 2, jackshaft 21
Both ends be supported in the shell of speed changer by first bearing 22 and second bearing 23, be supported with a gear on the jackshaft 21
Driven gear 24, second gear driven gear and main reducing gear driving gear 27.Unlike the prior art, in the second driven gear
Parking gear 26 is set between 25 and main reducing gear driving gear 27.Wherein, gear a driven gear 24,25 and of second gear driven gear
Main reducing gear driving gear 27 is the modes such as to be fixedly connected with, such as combine, rivet by interference to fix with jackshaft 21.And parking
27 need of gear are combined by key or spline with jackshaft 21, because its both ends is respectively by second gear driven gear 25 and main reducing gear
Driving gear 27 is limited, and will not be moved in the axial direction.
In above-described embodiment, gear parallel institution is embodied as four gear parallel institutions, but the utility model is without being limited thereto,
In other embodiments, the gear parallel institution of the utility model can also be embodied as three gear parallel institutions or five gears
Or five gear parallel institution more than gear.Although the three gear related organizations of the utility model are preferably in the centre of speed changer
It is realized on axis, but the utility model can be applied on other axis of speed changer or on the similar axis of other similar equipment, only
Its needs is wanted to realize the connection of functional gear in a manner of compact and space-saving.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (9)
1. a kind of gear parallel institution for automatic transmission, including axis and by the shaft-driven power transmitting gear group, it moves
Power transmission gear group includes at least two power transmitting gears, it is characterised in that: further includes a functional gear, the function
Property gear is set between power transmitting gear and is also driven by the axis.
2. being used for the gear parallel institution of automatic transmission as described in claim 1, which is characterized in that the axis is automatic becomes
The jackshaft of fast device.
3. being used for the gear parallel institution of automatic transmission as described in claim 1, which is characterized in that the power transmission tooth
Wheel group includes driven gear and retarder driving gear, and the functionality gear is set to driven gear and retarder driving gear
Between.
4. being used for the gear parallel institution of automatic transmission as claimed in claim 3, which is characterized in that the functionality gear
For parking gear.
5. being used for the gear parallel institution of automatic transmission as claimed in claim 3, which is characterized in that the functionality gear
For speed probe gear.
6. being used for the gear parallel institution of automatic transmission as claimed in claim 3, which is characterized in that the functionality gear
For oily pump driver gear.
7. being used for the gear parallel institution of automatic transmission as claimed in claim 3, which is characterized in that the functionality gear
Through key or spline in conjunction with the axis.
8. being used for the gear parallel institution of automatic transmission as claimed in claim 7, which is characterized in that the functionality gear
Axial movement by its both ends power transmitting gear limit.
9. a kind of automatic transmission, including the gear parallel machine described in any item of the claim 1 to 8 for automatic transmission
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812704.9U CN209511027U (en) | 2018-11-05 | 2018-11-05 | A kind of gear parallel institution for automatic transmission and corresponding automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812704.9U CN209511027U (en) | 2018-11-05 | 2018-11-05 | A kind of gear parallel institution for automatic transmission and corresponding automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209511027U true CN209511027U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821812704.9U Active CN209511027U (en) | 2018-11-05 | 2018-11-05 | A kind of gear parallel institution for automatic transmission and corresponding automatic transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307050A (en) * | 2018-11-05 | 2019-02-05 | 绿传（北京）科技有限公司 | A gear parallel mechanism for automatic transmission |
-
2018
- 2018-11-05 CN CN201821812704.9U patent/CN209511027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307050A (en) * | 2018-11-05 | 2019-02-05 | 绿传（北京）科技有限公司 | A gear parallel mechanism for automatic transmission |
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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: 20210903 Address after: 100080 Room 501, 4th floor, building 3, courtyard 10, Ronghua South Road, Yizhuang Development Zone, Daxing District, Beijing Patentee after: Lvchuan (Beijing) Automotive Technology Co.,Ltd. Address before: 100080 F16 17, No. 1 Zhongguancun Avenue, Haidian District, Beijing. Patentee before: G-EDRIVE (BEIJING) TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |