CN204942417U - Electric vehicle two-shift automatic variable speed case - Google Patents
Electric vehicle two-shift automatic variable speed case Download PDFInfo
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- CN204942417U CN204942417U CN201520698987.9U CN201520698987U CN204942417U CN 204942417 U CN204942417 U CN 204942417U CN 201520698987 U CN201520698987 U CN 201520698987U CN 204942417 U CN204942417 U CN 204942417U
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Abstract
The utility model proposes a kind of electric vehicle two-shift automatic variable speed case, input shaft is rotatablely equipped with in gear box, intermediate gear shaft and differential mechanism, input shaft is provided with low-grade input gear and high-grade input gear, intermediate gear shaft is provided with output gear, low-grade intermediate gear, high-grade intermediate gear, synchronizer and jack shaft driving gear, described differential mechanism is provided with differential drive gear, low-grade input gear is meshed with low-grade intermediate gear, high-grade input gear is meshed with high-grade intermediate gear, jack shaft driving gear is meshed with differential drive gear, synchronizer is connected with shift fork, shift fork is connected with gearshift drive unit, intermediate gear shaft is provided with velocity transducer, velocity transducer is electrically connected with gearshift controller, gearshift controller is electrically connected with gearshift drive unit.The utility model can cope with bad road conditions, can have again high travelling speed and high course continuation mileage, and can switch by automated intelligent, are applicable to drive routine and use.
Description
Technical field
The utility model relates to gearbox technical field, refers to a kind of electric vehicle two-shift automatic variable speed case especially.
Background technique
Existing pure electric automobile gearbox all adopts the gearbox of one grade of constant speed, and this gearbox only has a gear, a kind of speed ratio.Speed ratio is large, then vehicle acceleration moment of torsion is large, but vehicle maximum travel speed is low; Speed ratio is little, then vehicle maximum travel speed is high, but acceleration moment of torsion is little.One grade of constant speed gearbox is due to the monotony stationarity of speed ratio, and just determining vehicle can not have high pulling torque and F-Zero simultaneously.When using identical power unit motor, when vehicle has large speed ratio, vehicle acceleration moment of torsion is large, easy cope with bad road conditions, but when vehicle travels in good road surface, Vehicle Speed slowly, usually only have 33-38/ km/time speed; When vehicle have low speed than time, vehicle the travelling speed of good road surface can reach 55-65 kms/time, but when meet with severe road conditions time, vehicle due to moment of torsion little, travel relative difficulty.Therefore, the speed ratio monotony of prior art, determines vehicle and can not have high moment of torsion and high travelling speed simultaneously.
Model utility content
The utility model proposes a kind of electric vehicle two-shift automatic variable speed case, solve the technical barrier that the moment of torsion of the vehicle of one grade of constant speed and maximum travel speed can not be taken into account simultaneously; Can cope with bad road conditions, high travelling speed and high course continuation mileage can be had again, and can switch by automated intelligent, be applicable to drive routine and use.
The technical solution of the utility model is achieved in that electric vehicle two-shift automatic variable speed case, comprise gear box, input shaft is rotatablely equipped with in described gear box, intermediate gear shaft and differential mechanism, described input shaft is provided with low-grade input gear and high-grade input gear, described intermediate gear shaft is provided with output gear, low-grade intermediate gear, high-grade intermediate gear, synchronizer and jack shaft driving gear, described synchronizer is between described low-grade intermediate gear and high-grade intermediate gear, described differential mechanism is provided with differential drive gear, described low-grade input gear is meshed with low-grade intermediate gear, described high-grade input gear is meshed with high-grade intermediate gear, described jack shaft driving gear is meshed with differential drive gear, described synchronizer is connected with shift fork, described shift fork is connected with for making synchronizer engage with low-grade intermediate gear or engaging the gearshift drive unit carrying out switching with high-grade intermediate gear, described intermediate gear shaft is provided with velocity transducer, described velocity transducer is electrically connected with gearshift controller, described gearshift controller is electrically connected with described gearshift drive unit.
Preferably, described gearshift drive unit is the turbine and worm mechanism that shift motor drives.
Preferably, described gearshift controller is electrically connected with described shift motor.
Have employed technique scheme, the beneficial effects of the utility model are: compared with prior art, and the utility model has two gears simultaneously, large speed ratio low-grade location and little speed ratio high tap position, and according to Vehicle Speed and motor output torque, two gears can realize intelligence and automatically switch.Like this, when vehicle travels at low speed driving or severe road conditions, gearbox is positioned at large speed ratio low-grade location, makes vehicle have high pulling torque, thus easy cope with bad road conditions; And when vehicle is run at high speed in good road surface, gearbox is positioned at little speed ratio high tap position, at this moment vehicle has high travelling speed, and power consumption is little, also improves vehicle course continuation mileage.Therefore be equipped with the vehicle of the utility model gearbox no longer as the vehicle of one grade of constant speed, moment of torsion and maximum travel speed can not be taken into account simultaneously; Can cope with bad road conditions, high travelling speed and high course continuation mileage can be had again, and can switch by automated intelligent, according to 7.5-9KW motor, F-Zero can reach 100-120 kms/time, more practical, be applicable to drive routine and use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model transmission internal;
Fig. 3 is the structural representation of the utility model gear box.
Wherein: 1, input shaft; 2, low-grade input gear; 3, high-grade input gear; 4, intermediate gear shaft; 5, low-grade intermediate gear; 6, high-grade intermediate gear; 7, synchronizer; 8, shift fork; 9, velocity transducer; 10, differential mechanism; 11, output gear; 12, shift motor; 13, gearshift controller; 14, gear box; 15, differential drive gear; 16, jack shaft driving gear.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1, Fig. 2 and Fig. 3 jointly shown in, electric vehicle two-shift automatic variable speed case, comprise gear box 14, input shaft 1 is rotatablely equipped with in gear box 14, intermediate gear shaft 4 and differential mechanism 10, input shaft 1 is provided with low-grade input gear 2 and high-grade input gear 3, intermediate gear shaft 4 is provided with output gear 11, low-grade intermediate gear 5, high-grade intermediate gear 6, synchronizer 7 and jack shaft driving gear 16, synchronizer 7 is between low-grade intermediate gear 5 and high-grade intermediate gear 6, differential mechanism 10 is provided with differential drive gear 15, low-grade input gear 2 is meshed with low-grade intermediate gear 5, high-grade input gear 3 is meshed with high-grade intermediate gear 6, jack shaft driving gear 16 is meshed with differential drive gear 15, synchronizer 7 is connected with shift fork 8, shift fork 8 is connected with for making synchronizer 7 engage with low-grade intermediate gear 5 or engaging with high-grade intermediate gear 6 the gearshift drive unit carrying out switching, intermediate gear shaft 4 is provided with velocity transducer 9, velocity transducer 9 is electrically connected with gearshift controller 13, gearshift controller 13 is electrically connected with shift motor 12.
In the present embodiment, gearshift drive unit is the turbine and worm mechanism that shift motor 12 drives.Turbine and worm mechanism is straight line driving mechanism well known to those of ordinary skill in the art, does not repeat them here.
Specific works principle of the present utility model is: during vehicle start, gearbox is positioned at bottom gear, now input shaft 1, low-grade input gear 2, low-grade intermediate gear 5, intermediate gear shaft 4, output gear 11 are responsible for the Power output of gearbox jointly, now vehicle has high pulling torque, thus easily starts to walk; When vehicle arrive appropriate 20 kms/time, velocity transducer 9 transmission of signal is to gearshift controller 13, gearshift controller 13 sends instruction to shift motor 12, shift fork 8 is stirred synchronizer 7 and is moved to high-grade intermediate gear 6 direction, make input shaft 1, high-grade input gear 3, high-grade intermediate gear 6, intermediate gear shaft 4, output gear 11 jointly be responsible for gearbox dynamic to export, now gearbox is switched to top gear, thus vehicle is at full speed travelled when low power consumption.If in running process the speed of a motor vehicle be reduced to 15 kms/time below, velocity transducer 9 transmission of signal is to gearshift controller 13, gearshift controller 13 sends instruction to shift motor 12, shift fork 8 is stirred synchronizer 7 and is moved to low-grade intermediate gear 5 direction, input shaft 1, low-grade input gear 2, low-grade intermediate gear 5, intermediate gear shaft 4, output gear 11 is made again to be jointly responsible for the Power output of gearbox, now gearbox gets back to bottom gear again, has high pulling torque, thus reply low speed driving needs.
The utility model has two gears simultaneously, large speed ratio low-grade location and little speed ratio high tap position, and according to Vehicle Speed and motor output torque, two gears can realize intelligence and automatically switch.Like this, when vehicle travels at low speed driving or severe road conditions, gearbox is positioned at large speed ratio low-grade location, makes vehicle have high pulling torque, thus easy cope with bad road conditions; And when vehicle is run at high speed in good road surface, gearbox is positioned at little speed ratio high tap position, at this moment vehicle has high travelling speed, and power consumption is little, also improves vehicle course continuation mileage.Therefore be equipped with the vehicle of the utility model gearbox no longer as the vehicle of one grade of constant speed, moment of torsion and maximum travel speed can not be taken into account simultaneously; Can cope with bad road conditions, high travelling speed and high course continuation mileage can be had again, and can switch by automated intelligent, according to 7.5-9KW motor, F-Zero can reach 100-120 kms/time, more practical, be applicable to drive routine and use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. electric vehicle two-shift automatic variable speed case, it is characterized in that, comprise gear box, input shaft is rotatablely equipped with in described gear box, intermediate gear shaft and differential mechanism, described input shaft is provided with low-grade input gear and high-grade input gear, described intermediate gear shaft is provided with output gear, low-grade intermediate gear, high-grade intermediate gear, synchronizer and jack shaft driving gear, described synchronizer is between described low-grade intermediate gear and high-grade intermediate gear, described differential mechanism is provided with differential drive gear, described low-grade input gear is meshed with low-grade intermediate gear, described high-grade input gear is meshed with high-grade intermediate gear, described jack shaft driving gear is meshed with differential drive gear, described synchronizer is connected with shift fork, described shift fork is connected with for making synchronizer engage with low-grade intermediate gear or engaging the gearshift drive unit carrying out switching with high-grade intermediate gear, described intermediate gear shaft is provided with velocity transducer, described velocity transducer is electrically connected with gearshift controller, described gearshift controller is electrically connected with described gearshift drive unit.
2. electric vehicle two-shift automatic variable speed case as claimed in claim 1, is characterized in that, described gearshift drive unit is the turbine and worm mechanism that shift motor drives.
3. electric vehicle two-shift automatic variable speed case as claimed in claim 1, it is characterized in that, described gearshift controller is electrically connected with described shift motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698987.9U CN204942417U (en) | 2015-09-10 | 2015-09-10 | Electric vehicle two-shift automatic variable speed case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698987.9U CN204942417U (en) | 2015-09-10 | 2015-09-10 | Electric vehicle two-shift automatic variable speed case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942417U true CN204942417U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520698987.9U Expired - Fee Related CN204942417U (en) | 2015-09-10 | 2015-09-10 | Electric vehicle two-shift automatic variable speed case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041989A (en) * | 2015-09-10 | 2015-11-11 | 青州圣荣源齿轮有限公司 | Double-shift automatic gearbox of electric automobile |
| CN105757210A (en) * | 2016-04-23 | 2016-07-13 | 中国第汽车股份有限公司 | Integrated driving device for two-level electric vehicle |
-
2015
- 2015-09-10 CN CN201520698987.9U patent/CN204942417U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041989A (en) * | 2015-09-10 | 2015-11-11 | 青州圣荣源齿轮有限公司 | Double-shift automatic gearbox of electric automobile |
| CN105757210A (en) * | 2016-04-23 | 2016-07-13 | 中国第汽车股份有限公司 | Integrated driving device for two-level electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180910 |