CN203318161U - Variable speed drive assembly for electromobiles - Google Patents
Variable speed drive assembly for electromobiles Download PDFInfo
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- CN203318161U CN203318161U CN2013203530975U CN201320353097U CN203318161U CN 203318161 U CN203318161 U CN 203318161U CN 2013203530975 U CN2013203530975 U CN 2013203530975U CN 201320353097 U CN201320353097 U CN 201320353097U CN 203318161 U CN203318161 U CN 203318161U
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Abstract
The utility model discloses a variable speed drive assembly for electromobiles, which includes a power motor and a transmission, wherein the transmission is a two-gear transmission. The adopted two-gear transmission enables an electromobile to reasonably control the power output during running on flat lands or slopes, a reasonable shaft and gear arrangement without increasing or slightly increasing the size and weight is adopted, and the calculating results show that the variable speed drive assembly has better energy consumption economy, is suitable for conventional small electromobiles, reduces power consumption during climbing, fully utilizes power of electromobiles at flat lands, and reduces the use cost while realizing energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of automotive component, particularly a kind of battery-driven car variable speed drive (VSD) assembly.
Background technology
Battery-driven car (two-wheeled, three-wheel and electronlmobil) be take vehicle-mounted power accumulator and is travelled as the power driven elec. vehicle, and due to battery-driven car, to have energy-saving and environmental protection light, and operating costs is lower, more and more comes into one's own.
Battery-driven car is due to compact conformation, easy to use and use cost is low, and more is applied to rural area, small towns and part, cities and towns for transporting cargo and personnel; Because battery-driven car has These characteristics, the change-speed box of battery-driven car does not generally adopt a grade speed change is arranged, and directly by the control and regulation motor speed, carrys out regulation speed; And for output torque larger uphill way, utilize existing single speed changer structure, can only increase the purpose that electric weight output reaches climbing, can cause the more waste of electric weight, and, owing to travelling in the level land of considering that speed changer structure is more, thereby, the effect that the output of increase electric weight reaches for climbing is unsatisfactory, even sometimes there will be the motor rotation blockage phenomenon.
Particularly for small-sized electric car, because compact conformation, own wt are gently the advantages of itself, if having gear gearbox to be directly used in this vehicle by existing, can gain in weight and volume, can not embody the economy of energy consumption, that is to say, can not address the above problem.
Therefore, need to be improved existing electric vehicle transmission, employing has the speed change system of shelves, makes battery-driven car rational allocation power output when level land and climbing, and is applicable to existing small-sized electric car, compared with prior art, do not increase volume and weight, the consumption of power while reducing to climb, take full advantage of motor power during level land, when reaching energy-conserving and environment-protective, reduce use cost.
The utility model content
In view of this, the utility model provides a kind of battery-driven car variable speed drive (VSD) assembly, employing has the speed change system of shelves, makes battery-driven car rational allocation power output when level land and climbing, and is applicable to existing small-sized electric car, compared with prior art, do not increase volume and weight, the consumption of power while reducing to climb, take full advantage of motor power during level land, when reaching energy-conserving and environment-protective, reduce use cost.
The utility model discloses a kind of battery-driven car variable speed drive (VSD) assembly, comprise power motor, change-speed box and diff, described diff comprises differential casing and differential gear assembly, and described differential casing is one-piece construction.
Further, described change-speed box is two-speed transmission, comprise case of transmission and power input shaft parallel and that be set up in parallel, tween drive shaft and the power take-off shaft of inputting as diff power, described power input shaft is provided with power input driving gear for outputting power and the transmission cooperation of accepting power motor, described tween drive shaft is provided with slow shelves driving gear, fast shelves driving gear and for power input driving gear engagement and power is inputted to the power input driven gear of tween drive shaft, described power take-off shaft is provided with slow shelves driven gear and fast shelves driven gear, mesh and form slow shelves messenger chain in the mode that can make between tween drive shaft and power take-off shaft to cut off or engage between described slow shelves driving gear and slow shelves driven gear, mesh and form fast shelves messenger chain in the mode that can make between tween drive shaft and power take-off shaft to cut off or engage between described fast shelves driving gear and fast shelves driven gear,
Further, described slow shelves driving gear and fast shelves driving gear all coordinate with the tween drive shaft transmission, described slow shelves driven gear and fast shelves driven gear all with the power take-off shaft normal-running fit, on described power take-off shaft between slow shelves driven gear and fast shelves driven gear the mode overcoat with the circumferencial direction transmission that can endwisely slip the gear shift adapter is set, power take-off shaft endwisely slips by this gear shift adapter and engages the transmission of slow shelves with slow shelves driven gear, with a fast shelves driven gear, engages grade transmission soon or formation neutral gear;
Further, described fast shelves driven gear is arranged at power take-off shaft by overriding clutch, described fast shelves driven gear coordinates with the outer ring transmission of overriding clutch and this overriding clutch is arranged at power take-off shaft in the mode of the direction engagement of fast shelves transmission, the inner ring normal-running fit of overriding clutch is coated at power take-off shaft, and described gear shift adapter is by engaging with the inner ring of overriding clutch or disconnecting and make fast shelves driven gear and power take-off shaft transmission or normal-running fit;
Further, described power input shaft is the power motor main shaft;
Further, described power input shaft coordinates with the detachable transmission of the rotor shaft of power motor;
Further, described case of transmission is integrally formed to be provided with for holding the cavity of diff, and is provided with for supporting the support zone of differential casing and its normal-running fit;
Further, described power take-off shaft transmission be equipped with differential casing on the slow down power output driving gear of engagement of the power output driven gear that arranges, described power input driving gear slows down and meshes with power input driven gear.
The beneficial effects of the utility model: battery-driven car variable speed drive (VSD) assembly of the present utility model, adopt the change-speed box of two mark structures, make battery-driven car rational allocation power output when level land and climbing, adopt rational axle and arrangement of gears, do not increase or less increase volume and weight, there is Energy Consumption Economy preferably after accounting, be applicable to existing small-sized electric car, the consumption of power while reducing to climb, take full advantage of motor power during level land, when reaching energy-conserving and environment-protective, reduce use cost.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model the first example structure schematic diagram;
Fig. 2 is the utility model the second example structure schematic diagram.
The specific embodiment
Fig. 1 is the utility model the first example structure schematic diagram, as shown in the figure: the battery-driven car variable speed drive (VSD) assembly of the present embodiment, comprise power motor 6 and change-speed box and diff, described change-speed box is two-speed transmission; Certainly, power output needs through diff, as shown in the figure: diff comprises differential casing 1 and differential gear assembly, described differential casing is that one-piece construction differential gear assembly belongs to existing structure, comprise planetary wheel 5, left half axle gear 2 and right axle shaft gear 4, do not repeat them here; The case of transmission 1 of one-piece construction need be positioned at side and be provided with mounting hole, or whole rack and panel construction, for planetary wheel 5 and axle side gear (left half axle gear 2 and right axle shaft gear 4) being installed and being beneficial to lubricatedly, does not repeat them here.
In the present embodiment, described two-speed transmission comprises case of transmission 18 and power input shaft 21 parallel and that be set up in parallel, tween drive shaft 16 and the power take-off shaft 13 of inputting as diff power, described power input shaft 21 is provided with power input driving gear 19 for outputting power and the transmission cooperation of accepting power motor 6, described tween drive shaft 16 is provided with slow shelves driving gear 16, fast shelves driving gear 20 and for 19 engagements of power input driving gear and power is inputted to the power input driven gear 17 of tween drive shaft 16, described power take-off shaft 13 is provided with slow shelves driven gear 11 and fast shelves driven gear 8, mesh and form slow shelves messenger chain in the mode that can make between tween drive shaft 16 and power take-off shaft 13 to cut off or engage between described slow shelves driving gear 16 and slow shelves driven gear 11, mesh and form fast shelves messenger chain in the mode that can make between tween drive shaft 16 and power take-off shaft 13 to cut off or engage between described fast shelves driving gear 20 and fast shelves driven gear 9, adopt triple axle structure and run-in index arranged side by side to arrange, make whole speed changer structure compactness, and all adopt case of transmission directly to support, transmission is comparatively steady, power input shaft 21, tween drive shaft 16 and power take-off shaft 13 are arranged in case of transmission 18, and difference rotational support, and power input shaft 21 need stretch out case of transmission 18 and accept the power input of power motor 6, belongs to existing speed changer structure, does not repeat them here.
In the present embodiment, described slow shelves driving gear 16 and fast shelves driving gear 20 all coordinate with tween drive shaft 16 transmissions, described slow shelves driven gear 11 and fast shelves driven gear 9 all with power take-off shaft 13 normal-running fiies, on described power take-off shaft 13 between slow shelves driven gear 11 and fast shelves driven gear 9 the mode overcoat with the circumferencial direction transmission that can endwisely slip gear shift adapter 12 is set, power take-off shaft 13 endwisely slips by this gear shift adapter 12 and engages the transmission of slow shelves with slow shelves driven gear 11, with a fast shelves driven gear 9, engages grade transmission soon or formation neutral gear; That is: gear shift adapter 12 can slide to slow shelves driven gear 11 and engages and make to form messenger chain between power take-off shaft and slow shelves driven gear 11; Perhaps, gear shift adapter 12 can slide to fast shelves driven gear 9 and engages and make to form messenger chain between power take-off shaft 13 and fast shelves driven gear 9; Perhaps, gear shift adapter 12 can slide between fast shelves driven gear 9 and slow shelves driven gear 11 and form neutral gear; Belong to existing gear shift adapter 26S Proteasome Structure and Function, do not repeat them here; Gear shift adapter 12 can adopt existing synchronizer structure; The gear shift adapter is arranged to power take-off shaft, makes output control of engine power sensitive, improve driving efficiency, and make gearshift procedure smoothly smooth and easy.
In the present embodiment, described fast shelves driven gear 9 is arranged at power take-off shaft 13 by overriding clutch 15, described fast shelves driven gear 9 coordinates with the outer ring transmission of overriding clutch 15 and this overriding clutch 15 is arranged at power take-off shaft 13 in the mode of the direction engagement of fast shelves transmission, inner ring 14 normal-running fiies of overriding clutch 15 are coated at power take-off shaft 13, described gear shift adapter 12 engages by the inner ring 14 with overriding clutch 15 or disconnects and make fast shelves driven gear 9 and power take-off shaft 13 transmissions or normal-running fit, that is: gear shift adapter 12 realizes engaging the fast shelves of formation messenger chain by overriding clutch 15 and fast shelves driven gear 9, in the present embodiment, overriding clutch 15 outer rings are integrally formed with fast shelves driven gear 9, adopt the mounting structure of overriding clutch 15, can make gear shift adapter 12 engage with overriding clutch 15 inner rings 12 with normality, can directly control and advance during vehicle launch, simultaneously, when descending or propelling, can utilize this overriding clutch disconnection messenger chain and power system to break away from advances, avoid causing the waste of the energy, simultaneously, make elec. vehicle operation under the prerequisite that shelves are arranged succinct convenient, and, when climbing etc. needs power, the gear shift adapter can be engaged and drives with a slow shelves driven gear and advance.
In the present embodiment, described power input shaft 21 is power motor 6 main shafts, simple and compact for structure, the link that is linked and packed in the middle of reducing, and right alignment keeps better, reducing generation and the consumption of power of vibration.
Certainly, also can adopt power input shaft 21a as shown in Figure 3 to coordinate with the detachable transmission of rotor shaft 10 of power motor 6, can adopt the structures such as coupler, also can adopt straight end-face key connection structure as shown in the figure; This assembling mode has flexible characteristics.
In the present embodiment, described case of transmission 18 is integrally formed to be provided with for holding the cavity of diff, and is provided with for supporting the support zone of differential casing 1 and its normal-running fit; As shown in the figure, differential casing 1 directly supports and is installed on case of transmission 18, makes the driving assembly structure compactness of three-wheel vehicle, the messenger chain of power output is short, saves drive energy, simultaneously, make power output steadily, globality is stronger, is more suitable for using in electro-tricycle; Certainly, need to be provided with necessary radial bearing between differential casing 1 and case of transmission 18, to reduce friction, do not repeat them here.
In the present embodiment, described power take-off shaft 13 transmissions be equipped with differential casing 1 on the slow down power output driving gear 9 of engagement of the power output driven gear 7 that arranges, the engagement of slowing down of described power input driving gear 9 and power input driven gear 7; Adopt the input/output structure of gear, driving efficiency is higher, compact conformation; And, form input and output double reduction structure, more can take full advantage of the characteristics of electro-tricycle small volume and less weight, and be more suitable for using in back road.
In the utility model, between power input shaft 21, tween drive shaft 16 and power take-off shaft 13 and case of transmission 18, by necessary annular bearing with rolling contact, carry out normal-running fit, belong to the fit structure of prior art, do not repeat them here; In the utility model, transmission coordinates the mode refer to transferring power to coordinate, and comprises that engaged transmission, spline drived coordinate or integrally formed etc.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. a battery-driven car variable speed drive (VSD) assembly, it is characterized in that: comprise power motor and change-speed box, described change-speed box is two-speed transmission.
2. battery-driven car variable speed drive (VSD) assembly according to claim 1, it is characterized in that: described two-speed transmission comprises case of transmission and power input shaft parallel and that be set up in parallel, tween drive shaft and the power take-off shaft of inputting as diff power, described power input shaft is provided with power input driving gear for outputting power and the transmission cooperation of accepting power motor, described tween drive shaft is provided with slow shelves driving gear, fast shelves driving gear and for power input driving gear engagement and power is inputted to the power input driven gear of tween drive shaft, described power take-off shaft is provided with slow shelves driven gear and fast shelves driven gear, mesh and form slow shelves messenger chain in the mode that can make between tween drive shaft and power take-off shaft to cut off or engage between described slow shelves driving gear and slow shelves driven gear, mesh and form fast shelves messenger chain in the mode that can make between tween drive shaft and power take-off shaft to cut off or engage between described fast shelves driving gear and fast shelves driven gear.
3. battery-driven car variable speed drive (VSD) assembly according to claim 2, it is characterized in that: described slow shelves driving gear and fast shelves driving gear all coordinate with the tween drive shaft transmission, described slow shelves driven gear and fast shelves driven gear all with the power take-off shaft normal-running fit, on described power take-off shaft between slow shelves driven gear and fast shelves driven gear the mode overcoat with the circumferencial direction transmission that can endwisely slip the gear shift adapter is set, power take-off shaft endwisely slips and engages the transmission of slow shelves with slow shelves driven gear by this gear shift adapter, engage the transmission of fast shelves or form neutral gear with fast shelves driven gear.
4. battery-driven car variable speed drive (VSD) assembly according to claim 3, it is characterized in that: described fast shelves driven gear is arranged at power take-off shaft by overriding clutch, described fast shelves driven gear coordinates with the outer ring transmission of overriding clutch and this overriding clutch is arranged at power take-off shaft in the mode of the direction engagement of fast shelves transmission, the inner ring normal-running fit of overriding clutch is coated at power take-off shaft, and described gear shift adapter is by engaging with the inner ring of overriding clutch or disconnecting and make fast shelves driven gear and power take-off shaft transmission or normal-running fit.
5. according to the described battery-driven car variable speed drive (VSD) of the arbitrary claim of claim 1 to 4 assembly, it is characterized in that: described power input shaft is the power motor main shaft.
6. according to the described battery-driven car variable speed drive (VSD) of the arbitrary claim of claim 1 to 4 assembly, it is characterized in that: described power input shaft coordinates with the detachable transmission of the rotor shaft of power motor.
7. according to the described battery-driven car variable speed drive (VSD) of the arbitrary claim of claim 1 to 4 assembly, it is characterized in that: described case of transmission is integrally formed to be provided with for holding the cavity of diff, and is provided with for supporting the support zone of differential casing and its normal-running fit.
8. battery-driven car variable speed drive (VSD) assembly according to claim 7, it is characterized in that: described power take-off shaft transmission be equipped with differential casing on the slow down power output driving gear of engagement of the power output driven gear that arranges, described power input driving gear slows down and meshes with power input driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203530975U CN203318161U (en) | 2013-06-19 | 2013-06-19 | Variable speed drive assembly for electromobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203530975U CN203318161U (en) | 2013-06-19 | 2013-06-19 | Variable speed drive assembly for electromobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318161U true CN203318161U (en) | 2013-12-04 |
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ID=49657542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203530975U Expired - Fee Related CN203318161U (en) | 2013-06-19 | 2013-06-19 | Variable speed drive assembly for electromobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203318161U (en) |
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2013
- 2013-06-19 CN CN2013203530975U patent/CN203318161U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20131204 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |