CN104315122A - Box of CVT (Continuously Variable Transmission) of electric vehicle - Google Patents
Box of CVT (Continuously Variable Transmission) of electric vehicle Download PDFInfo
- Publication number
- CN104315122A CN104315122A CN201410496345.0A CN201410496345A CN104315122A CN 104315122 A CN104315122 A CN 104315122A CN 201410496345 A CN201410496345 A CN 201410496345A CN 104315122 A CN104315122 A CN 104315122A
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- Prior art keywords
- cavity
- gear
- transfer mechanism
- housing
- shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of transmissions of electric vehicles and discloses a box of a CVT (Continuously Variable Transmission) of an electric vehicle. The box comprises a rear cavity and a front cavity, wherein the rear cavity is formed by combining a shell of the CVT and a rear cover; the front cavity is formed by combining the shell and a front cover; the rear cavity is provided with a driving wheel transmission mechanism cavity which is used for holding a driving wheel transmission mechanism; an electric control speed regulating mechanism cavity is formed over one side of the driving wheel transmission mechanism cavity, and a driven wheel transmission mechanism cavity is formed over the other side of the driving wheel transmission mechanism cavity; a driven gear cavity, a driving speed reducing gear cavity of a driving speed reducing gear and a differential mechanism cavity of a differential mechanism are formed inside the front cavity; the driven gear cavity is used for holding a driven gear which is coaxial with a driven shaft and sleeves the driven shaft; the driving speed reducing gear is in meshed connection with the driven gear on the driven shaft; the differential mechanism is in meshed connection with the driving speed reducing gear. The box of the CVT of the electric vehicle is applicable to mounting of the CVT matched with a power motor, and is simple in structure, low in production cost, convenient to mount and maintain, and easy to promote and popularize.
Description
Technical field
The present invention relates to the facility technology field of electric vehicle transmission, particularly relate to a kind of casing of electric motor car stepless speed variator.
Background technique
At present, as the new energy traffic tool of energy-saving and emission-reduction---the appearance of electric walk instead, explore a new road for saving energy and protect environment.Power due to motor output has to pass through reduction gear box and could drive vehicle.The reduction speed ratio of gear-box affects the main performance of vehicle largely.Because having various different operating mode in vehicle is advanced, when should ensure starting and climbing, there is certain tractive force, when ensureing flat pavement running again, certain speed can be reached.Create self-shifting electric shift case, i.e. electric motor car stepless speed variator for this reason; For coordinating the installation of electric motor car stepless speed variator, be badly in need of the casing of the electric vehicle stepless speed variator that a kind of structure is simple, cost of production is low, convenient for installation and maintenance.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of casing of electric motor car stepless speed variator.
For achieving the above object, the present invention adopts following technological scheme:
A casing for electric motor car stepless speed variator, has rear chamber and housing that the housing of stepless speed variator and bonnet be combined into and the front cavity that protecgulum is combined into; Described rear chamber has the driving wheel transfer mechanism cavity holding driving wheel transfer mechanism, above the side level of described driving wheel transfer mechanism cavity, there is the automatically controlled speed regulating mechanism cavity holding automatically controlled speed regulating mechanism, there is above opposite side level the follower transfer mechanism cavity holding follower transfer mechanism; The housing corresponding with described driving wheel transfer mechanism cavity has makes the driving shaft of driving wheel transfer mechanism pass and bearings mounted circular mounting hole; Corresponding with the circular mounting hole of housing and be coaxially arranged with to hold the circular cavity of the induction coil that the driving shaft of driving wheel transfer mechanism and driving shaft are nested with; The axis of described circular mounting hole, the axis of circular cavity and the dead in line of motor shaft being arranged on the mair motor on housing; The housing corresponding with described follower transfer mechanism cavity has makes the driven shaft of follower transfer mechanism pass and bearings mounted circular mounting hole;
There is in described front cavity the driven gear cavity in order to hold the driven gear that the driven shaft that coaxially arranges with driven shaft is nested with; In order to hold the final gear cavity of the final gear be connected with a joggle with driven gear on driven shaft; In order to hold the differential mechanism cavity of the differential mechanism be connected with a joggle with final gear;
Described be positioned at driven gear cavity tiltedly below be final gear cavity, be differential mechanism cavity below driven gear cavity;
Wherein, form obtuse triangle in order to axis cross section three points of the driven shaft held in the circular cavity of the differential output shaft that holds and driven gear, the final gear axle held in main gear reducer structure circular cavity in differential mechanism cavity, the connecting line that differential output shaft to the axis of final gear axle is selected and driven shaft are obtuse angle to the connecting line cross section angle of the transversal millet cake of final gear axle axis.
A kind of casing of electric motor car stepless speed variator, in described automatically controlled speed governing cavity, there is the cavity holding fixing one-level speed regulation gear, secondary speed regulation gear, the circular mounting hole of described one-level speed regulating axle one step bearing is arranged on case side, and the bearing hole of the one-level speed regulating axle the other end is arranged on corresponding bonnet side; The motor axis hole of the motor shaft that the speed-adjustable motor shaftgear be connected with a joggle with one-level speed regulation gear passes and and the silk hole of fixing speed-adjustable motor be arranged on case side; The circular mounting hole of secondary speed regulating axle one step bearing of the secondary speed regulation gear be connected with one-level speed regulating axle upper level speed regulation gear is arranged on case side, and the bearing hole of the secondary speed regulating axle the other end is arranged on corresponding bonnet side.
A casing for electric motor car stepless speed variator, the another end drive shaft bearing hole corresponding with the bearing hole of driving shaft one end, driving wheel transfer mechanism cavity inner casing side is arranged on the corresponding part of bonnet;
Wherein, corresponding with induction coil that the driving shaft held in driving wheel transfer mechanism cavity tests the speed housing is provided with driving shaft speed probe installation position.
A casing for electric motor car stepless speed variator, the another end driven shaft bearing hole corresponding with the bearing hole of driven shaft one end, follower transfer mechanism cavity inner casing side is arranged on the corresponding part of bonnet;
Wherein, corresponding with the driven gear on driven shaft protecgulum side is provided with output speed sensor installation position.
A casing for electric motor car stepless speed variator, described final gear cavity inner casing side has the bearing hole holding final gear axle one end, and the bearing hole of the final gear axle the other end is arranged on the corresponding part of protecgulum.
A casing for electric motor car stepless speed variator, described differential mechanism cavity inner casing side has the bearing hole holding differential output shaft one end, and the bearing hole of the differential output shaft the other end is arranged on the corresponding part of protecgulum.
Owing to adopting technological scheme as above, the present invention has following superiority:
A kind of casing of electric motor car stepless speed variator, adopt the rear chamber that stepless speed variator housing and bonnet are combined into, before being combined into stepless speed variator housing and protecgulum, cavity forms, in rear chamber driving wheel transfer mechanism cavity side level above be provided with automatically controlled speed governing cavity, be provided with follower transfer mechanism cavity above opposite side level; The driving shaft that described driving wheel transfer mechanism cavity holds is connected with motor reel is concentric through the housing of stepless speed variator; The driven shaft of the follower transfer mechanism cavity parallel with driving shaft axially stretches to front cavity, and front cavity comprises: driven gear cavity, final gear cavity, differential mechanism cavity; The present invention is applicable to the installation of the CVT stepless speed variator of the motor coupling connected with one heart, its structure is simple, cost of production is low, convenient for installation and maintenance, be easy to popularize.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric motor car infinitely variable transmission;
Fig. 2 is the shell construction schematic diagram of electric motor car infinitely variable transmission;
Fig. 3 is the front-cover structure schematic diagram of electric motor car infinitely variable transmission;
Fig. 4 is the rear cover structure schematic diagram of electric motor car infinitely variable transmission;
The application schematic diagram that Fig. 5 is protecgulum, housing, bonnet are installed in conjunction with transmission components.
In figure: 1--motor shaft, 2--driving shaft, 3--and motor junction plane, 4--surveys Speed sensing circle, 5--driving shaft speed probe, 6--output speed sensor, 7--driven shaft, 8--final gear axle, 9--differential output shaft, 10-one-level speed regulating axle, 11--protecgulum, 12--housing, 13--bonnet, 14--driving wheel transfer mechanism cavity, 15--mair motor, 16--follower transfer mechanism cavity, 17--driven gear cavity, 18--final gear cavity, 19--differential mechanism cavity, 20-secondary speed regulating axle.
Embodiment
Below in conjunction with accompanying drawing, also by best embodiment, the present invention is described in detail.
As shown in Fig. 1,2,3,4,5, a kind of casing of electric motor car stepless speed variator, the rear chamber that the housing 12 with stepless speed variator is combined into bonnet 13, and housing 12 be combined into protecgulum 11 before cavity.
Shown in the rear chamber that housing 12 and the bonnet 13 of composition graphs 2 and Fig. 4 are formed and Fig. 1 and Fig. 5, described rear chamber has the driving wheel transfer mechanism cavity 14 holding driving wheel transfer mechanism, above the side level of described driving wheel transfer mechanism cavity 14, there is the automatically controlled speed regulating mechanism cavity holding automatically controlled speed regulating mechanism, there is above opposite side level the follower transfer mechanism cavity 16 holding follower transfer mechanism; The housing 12 corresponding with described driving wheel transfer mechanism cavity has makes the driving shaft 2 of driving wheel transfer mechanism pass and bearings mounted circular mounting hole; Corresponding with the circular mounting hole of housing 12 and be coaxially arranged with to hold the circular cavity of the survey Speed sensing circle 4 that the driving shaft 2 of driving wheel transfer mechanism and driving shaft 2 are nested with; The axis of described circular mounting hole, the axis of circular cavity and the dead in line of motor shaft 1 being arranged on the mair motor 15 on housing; The housing 12 corresponding with described follower transfer mechanism cavity 16 have makes the driven shaft 7 of follower transfer mechanism through and bearings mounted circular mounting hole, housing is provided be combined with mair motor 15 with motor junction plane 3.
Shown in the front cavity that housing 12 and the protecgulum 11 of composition graphs 2 and Fig. 3 are combined into and Fig. 1 and Fig. 5, have in order to hold and the driven gear cavity 17 of driven gear that is nested with on the coaxial driven shaft 7 arranged of driven shaft 7 in described front cavity; In order to hold the final gear cavity 18 of the final gear be connected with a joggle with driven gear on driven shaft 7; In order to hold the differential mechanism cavity 19 of the differential mechanism be connected with a joggle with final gear;
Described be positioned at driven gear cavity tiltedly below be final gear cavity, be differential mechanism cavity below driven gear cavity;
Wherein, form obtuse triangle in order to axis cross section three points of the driven shaft 7 held in the differential output shaft 9 that holds and the circular cavity of driven gear, the final gear axle 8 held in main gear reducer structure circular cavity in differential mechanism cavity, the connecting line of the transversal millet cake of axis of differential output shaft 9 to final gear axle 8 and the connecting line angle of the transversal millet cake of driven shaft 7 to final gear axle 8 axis are obtuse angle.
A kind of casing of electric motor car stepless speed variator, in described automatically controlled speed governing cavity, there is the cavity holding fixing one-level speed regulation gear, secondary speed regulation gear, the circular mounting hole of described one-level speed regulating axle 10 1 step bearing is arranged on housing 12 side, and the bearing hole of one-level speed regulating axle 10 the other end is arranged on corresponding bonnet 13 side; The motor axis hole of the motor shaft 1 that the speed-adjustable motor shaftgear be connected with a joggle with one-level speed regulation gear passes and and the silk hole of fixing speed-adjustable motor be arranged on housing 12 side; The circular mounting hole of secondary speed regulating axle 20 1 step bearing of the secondary speed regulation gear be connected with one-level speed regulating axle 10 upper level speed regulation gear is arranged on housing 12 side, and the bearing hole of secondary speed regulating axle 20 the other end is arranged on corresponding bonnet 13 side.
Another end driving shaft 2 bearing hole corresponding with the bearing hole of driving shaft 2 one end, driving wheel transfer mechanism cavity inner housing 12 side is arranged on the corresponding part of bonnet 13; Wherein, corresponding with induction coil 4 that the driving shaft 2 held in driving wheel transfer mechanism cavity tests the speed housing 12 is provided with driving shaft speed probe 5 installation position.
Another end driven shaft 7 bearing hole corresponding with the bearing hole of driven shaft 7 one end, follower transfer mechanism cavity inner housing 12 side is arranged on the corresponding part of bonnet 13; Wherein, corresponding with the driven gear on driven shaft 7 protecgulum 11 side is provided with output speed sensor 6 installation position.
Described final gear cavity inner housing 12 side has the bearing hole holding final gear axle 8 one end, and the bearing hole of final gear axle 8 the other end is arranged on the corresponding part of protecgulum 11.
Described differential mechanism cavity inner housing 12 side has the bearing hole holding differential output shaft 9 one end, and the bearing hole of differential output shaft 9 the other end is arranged on the corresponding part of protecgulum 11.
Fig. 5 is the internal structure schematic diagram of the infinitely variable transmission of protecgulum, housing, bonnet composition rear chamber and front cavity, and in conjunction with the application schematic diagram that transmission components is installed, Fig. 1 is the monnolithic case structural representation after the parts of electric motor car infinitely variable transmission combine.
Above embodiment is the one of the present invention's more preferably embodiment, and the usual change that those skilled in the art carry out within the scope of the technical program and replacing should be included in protection scope of the present invention.
Claims (6)
1. a casing for electric motor car stepless speed variator, the rear chamber that the housing (12) with stepless speed variator is combined into bonnet (13), and the front cavity that housing (12) is combined into protecgulum (11); It is characterized in that: described rear chamber has to hold the driving wheel transfer mechanism cavity of driving wheel transfer mechanism, above the side level of described driving wheel transfer mechanism cavity, there is the automatically controlled speed regulating mechanism cavity holding automatically controlled speed regulating mechanism, there is above opposite side level the follower transfer mechanism cavity holding follower transfer mechanism; The housing (12) corresponding with described driving wheel transfer mechanism cavity has makes the driving shaft of driving wheel transfer mechanism (2) pass and bearings mounted circular mounting hole; Corresponding with the circular mounting hole of housing (12) and be coaxially arranged with to hold the circular cavity of the induction coil that the driving shaft (2) of driving wheel transfer mechanism and driving shaft (2) are nested with; The axis of described circular mounting hole, the axis of circular cavity and the dead in line of motor shaft being arranged on the mair motor on housing; The housing (12) corresponding with described follower transfer mechanism cavity has makes the driven shaft of follower transfer mechanism (7) pass and bearings mounted circular mounting hole;
Have in order to hold and the driven gear cavity of driven gear that is nested with on the coaxial driven shaft 7 arranged of driven shaft (7) in described front cavity; In order to hold the final gear cavity of the final gear that upper driven gear is connected with a joggle with driven shaft (7); In order to hold the differential mechanism cavity of the differential mechanism be connected with a joggle with final gear;
Described be positioned at driven gear cavity tiltedly below be final gear cavity, be differential mechanism cavity below driven gear cavity;
Wherein, in differential mechanism cavity in order to holds in the differential output shaft (9) that holds and the circular cavity of driven gear driven shaft (7), the interior final gear axle (8) held of main gear reducer structure circular cavity axis cross section three points form obtuse triangle, differential output shaft (9) is obtuse angle to the connecting line of the transversal millet cake of axis of final gear axle (8) and driven shaft (7) to the connecting line angle of the transversal millet cake of final gear axle (8) axis.
2. the casing of a kind of electric motor car stepless speed variator according to claim 1, it is characterized in that: the cavity hold in described automatically controlled speed governing cavity with fixing one-level speed regulation gear, secondary speed regulation gear, the circular mounting hole of described one-level speed regulating axle (10) step bearing is arranged on housing (12) side, and the bearing hole of one-level speed regulating axle (10) the other end is arranged on corresponding bonnet (13) side; The motor axis hole of motor shaft (1) that the speed-adjustable motor shaftgear be connected with a joggle with one-level speed regulation gear passes and the silk hole of fixing speed-adjustable motor are arranged on housing (12) side; The circular mounting hole of secondary speed regulating axle (20) step bearing of the secondary speed regulation gear be connected with one-level speed regulating axle (10) upper level speed regulation gear is arranged on housing (12) side, and the bearing hole of secondary speed regulating axle (20) the other end is arranged on corresponding bonnet (13) side.
3. the casing of a kind of electric motor car stepless speed variator according to claim 1, is characterized in that: another end driving shaft (2) bearing hole corresponding with the bearing hole of driving shaft (2) one end, driving wheel transfer mechanism cavity inner housing (12) side is arranged on the corresponding part of bonnet (13);
Wherein, corresponding with induction coil (4) that the driving shaft (2) held in driving wheel transfer mechanism cavity tests the speed housing (12) is provided with driving shaft speed probe (5) installation position.
4. the casing of a kind of electric motor car stepless speed variator according to claim 1, is characterized in that: another end driven shaft (7) bearing hole corresponding with the bearing hole of driven shaft (7) one end, follower transfer mechanism cavity inner housing (12) side is arranged on the corresponding part of bonnet (13);
Wherein, corresponding with the driven gear on driven shaft (7) protecgulum (11) side is provided with output speed sensor (6) installation position.
5. the casing of a kind of electric motor car stepless speed variator according to claim 1, it is characterized in that: described final gear cavity inner housing (12) side has to hold the bearing hole of final gear axle (8) one end, the bearing hole of final gear axle (8) the other end is arranged on the corresponding part of protecgulum (11).
6. the casing of a kind of electric motor car stepless speed variator according to claim 1, it is characterized in that: described differential mechanism cavity inner housing (12) side has to hold the bearing hole of differential output shaft 9 one end, the bearing hole of differential output shaft (9) the other end is arranged on the corresponding part of protecgulum (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496345.0A CN104315122A (en) | 2014-09-25 | 2014-09-25 | Box of CVT (Continuously Variable Transmission) of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496345.0A CN104315122A (en) | 2014-09-25 | 2014-09-25 | Box of CVT (Continuously Variable Transmission) of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315122A true CN104315122A (en) | 2015-01-28 |
Family
ID=52370400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410496345.0A Pending CN104315122A (en) | 2014-09-25 | 2014-09-25 | Box of CVT (Continuously Variable Transmission) of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412974A (en) * | 2017-12-29 | 2018-08-17 | 綦江齿轮传动有限公司 | It can be used for 4 speed transmission of combined type of hybrid power system and pure electric system simultaneously |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319512A (en) * | 2000-03-30 | 2001-10-31 | 本田技研工业株式会社 | Power gearing device for small vehicle |
| CN1633568A (en) * | 2001-09-06 | 2005-06-29 | 大发工业株式会社 | Continuously variable transmission |
| CN1920334A (en) * | 2006-09-09 | 2007-02-28 | 重庆工学院 | Vehicle stepless gearbox with mechanical compression and electronic mechanical control |
| CN204127271U (en) * | 2014-09-25 | 2015-01-28 | 洛阳睿能传动科技有限公司 | The casing of electric motor car stepless speed variator |
-
2014
- 2014-09-25 CN CN201410496345.0A patent/CN104315122A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319512A (en) * | 2000-03-30 | 2001-10-31 | 本田技研工业株式会社 | Power gearing device for small vehicle |
| CN1633568A (en) * | 2001-09-06 | 2005-06-29 | 大发工业株式会社 | Continuously variable transmission |
| CN1920334A (en) * | 2006-09-09 | 2007-02-28 | 重庆工学院 | Vehicle stepless gearbox with mechanical compression and electronic mechanical control |
| CN204127271U (en) * | 2014-09-25 | 2015-01-28 | 洛阳睿能传动科技有限公司 | The casing of electric motor car stepless speed variator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412974A (en) * | 2017-12-29 | 2018-08-17 | 綦江齿轮传动有限公司 | It can be used for 4 speed transmission of combined type of hybrid power system and pure electric system simultaneously |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |