CN203318159U - Driving assembly for electromobiles - Google Patents
Driving assembly for electromobiles Download PDFInfo
- Publication number
- CN203318159U CN203318159U CN2013203528462U CN201320352846U CN203318159U CN 203318159 U CN203318159 U CN 203318159U CN 2013203528462 U CN2013203528462 U CN 2013203528462U CN 201320352846 U CN201320352846 U CN 201320352846U CN 203318159 U CN203318159 U CN 203318159U
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- driven gear
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Abstract
The utility model discloses a driving assembly for electromobiles, which includes a power motor, a transmission and a differential, wherein the differential includes a differential casing and a differential gear assembly; the differential casing adopts an integral structure. According to the utility model, as a speed control system with gears is adopted and the differential casing adopts the integral structure, better coaxiality can be confirmed during machining, so that the coaxiality can be guaranteed easily during the mounting, the mounting efficiency is improved as mounting can be carried out directly; as the integral structure is adopted, the coaxiality problem cannot be generated during the long-term use, eccentric wear can be avoided among the kinematic pair, the service lives of the differential as well as the entire speed reducer can be prolonged, and the use cost can be reduced; the eccentric wear can be avoided, so that energy consumption can be greatly reduced, and the extension of trip distance of a charged electromobile can be facilitated.
Description
Technical field
The utility model relates to a kind of automotive component, and particularly a kind of battery-driven car drives 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 the gear 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.
For three-wheel and four-wheeled, the parts that are absolutely necessary of the diff on back axle; Diff, as a kind of drive disk assembly, needs its compact conformation, generally comprises differential shell, planetary wheel and axle side gear, and because planetary wheel drives revolution by differential casing, thereby differential casing is the drive disk assembly of outbalance wherein; In prior art, differential casing make split-type structural corresponding with the left and right axle side gear, in order to accept the power input, the differential casing of split-type structural also clamps and by bolted, gear is set; In fact, because differential casing need to rotate and transmission, between left and right two parts of Split type casing, all need to guarantee good right alignment between these two parts and gear, the normal operation of guarantee diff, and guarantee its service life and higher driving efficiency.And, in practical application, between left and right two parts of Split type casing, between these two parts and gear,, due to assembly error, this right alignment bad assurance, extend assembly period, reduce work efficiency; Simultaneously, even guarantee right alignment while assembling, after long-time running, in external environment and operation factor, still there will be coaxiality deviation, due to the problem of right alignment, cause friction energy loss higher, the waste drive energy.
Therefore, need to be improved existing electric vehicle transmission, employing has the speed change system of gear, differential casing is easy to guarantee right alignment in installation process, improve installation effectiveness, and long-term use not there will be the right alignment problem, extends the service life of diff and whole retarder, reduces use cost; And, owing to there not being eccentric wear, greatly reducing and use energy resource consumption.
The utility model content
In view of this, the utility model provides a kind of battery-driven car to drive assembly, employing has the speed change system of gear, differential casing is easy to guarantee right alignment in installation process, improve installation effectiveness, and long-term use not there will be the right alignment problem, extends the service life of diff and whole retarder, reduces use cost; And, owing to there not being eccentric wear, greatly reducing and use energy resource consumption.
The utility model discloses a kind of battery-driven car and drive 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 shift transmissions, 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 and keeps off slowly driving gear, fast gear 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 and keeps off slowly driven gear and fast gear driven gear, describedly keep off slowly driving gear and the mode can make between tween drive shaft and power take-off shaft to cut off or engage of keeping off slowly between driven gear meshes formation and keeps off slowly messenger chain, described fast gear driving gear and the mode can make between tween drive shaft and power take-off shaft to cut off or engage of keeping off soon between driven gear mesh and form fast gear messenger chain,
Further, the described driving gear that keeps off slowly all coordinates with the tween drive shaft transmission with fast gear driving gear, described keep off slowly driven gear and fast gear driven gear all with the power take-off shaft normal-running fit, the gearshift adapter is set keeping off slowly driven gear and keep off soon the mode overcoat with the circumferencial direction transmission that can endwisely slip between driven gear on described power take-off shaft, power take-off shaft endwisely slips by this gearshift adapter and keeps off slowly driven gear and engage and keep off slowly transmission, with fast gear driven gear, engage the transmission of fast gear or formation neutral;
Further, described fast gear driven gear is arranged at power take-off shaft by overriding clutch, described fast gear 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 gear transmission, the inner ring normal-running fit of overriding clutch is coated at power take-off shaft, and described gearshift adapter is by engaging with the inner ring of overriding clutch or disconnecting and make to keep off soon 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 described differential casing is set in rotation with case of transmission;
Further, described power take-off shaft transmission is equipped with dynamic output driving gear, with the differential casing transmission, is equipped with the power output driven gear that slows down and mesh with power output driving gear; Described power input driving gear and power input driven gear slow down and mesh;
Further, the planet wheel spindle of diff is through differential casing and by radially through the set pin of planet wheel spindle, being fixed in differential casing, the extension shaft part of the left half axle gear of diff and the extension shaft part of right axle shaft gear respectively with the differential casing normal-running fit;
Further, integrally formed being provided with for assembling the assembling shaft part of power output driven gear on described differential casing, described differential casing forms the step that radial dimension is greater than the assembling shaft part, and described power output driven gear is coated at this assembling shaft part and axially is against mode detachable fixedly the be assemblied in differential casing of the axial end of step with axial and radial location.
The beneficial effects of the utility model: battery-driven car of the present utility model drives assembly, adopts the speed change system that gear is arranged, and differential casing adopts one-piece construction, add and determine right alignment preferably man-hour, thereby be easy to guarantee right alignment in installation process, and directly install and get final product, improve installation effectiveness; Owing to being one-piece construction, thereby long-term use not there will be the right alignment problem, not there will be eccentric wear between kinematic pair, is beneficial to the service life that extends diff and whole retarder, reduces use cost; Owing to there not being eccentric wear, greatly reduce and use energy resource consumption, be beneficial to the travelled distance extended after battery-driven car charges.
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 differential design figure;
Fig. 3 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, Fig. 2 is differential design figure, as shown in the figure: the battery-driven car of the present embodiment drives assembly, comprise power motor 22, change-speed box and diff, described diff comprises differential casing 1 and differential gear assembly, described differential casing is that one-piece construction differential gear assembly belongs to existing structure, comprises planetary wheel 5, left half axle gear 2 and right axle shaft gear 4, does not repeat them here; For easy for installation, described differential casing 1 is provided with the installation via hole passed through for the mounting teeth wheel assembly; The case of transmission 1 of one-piece construction need be positioned at side and be provided with the installation via hole, perhaps adopt whole rack and panel construction, for planetary wheel 5 being installed and axle side gear (left half axle gear 2 and right axle shaft gear 4) pass through and operates, but and installation via hole lubricating oil pass through smoothly, be beneficial to lubricated.
In the present embodiment, described change-speed box is two shift transmissions, comprise 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 22, described tween drive shaft 16 is provided with and keeps off slowly driving gear 16, fast gear 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 and keeps off slowly driven gear 11 and fast gear driven gear 23, describedly keep off slowly driving gear 16 and the mode can make between tween drive shaft 16 and power take-off shaft 13 to cut off or engage of keeping off slowly between driven gear 11 meshes formation and keeps off slowly messenger chain, described fast gear driving gear 20 and the mode can make between tween drive shaft 16 and power take-off shaft 13 to cut off or engage of keeping off soon between driven gear 23 mesh and form fast gear messenger chain, 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 22, belongs to existing speed changer structure, does not repeat them here.
In the present embodiment, the described driving gear 16 that keeps off slowly all coordinates with tween drive shaft 16 transmissions with fast gear driving gear 20, described keep off slowly driven gear 11 and fast gear driven gear 23 all with power take-off shaft 13 normal-running fiies, at the mode overcoat that keeps off slowly driven gear 11 and keep off soon between driven gear 23 with the circumferencial direction transmission that can endwisely slip, gearshift adapter 12 is set on described power take-off shaft 13, power take-off shaft 13 endwisely slips by this gearshift adapter 12 and keeps off slowly driven gear 11 and engages and keep off slowly transmission, with fast gear driven gear 23, engage and keep off soon transmission or formation neutral; That is: gearshift adapter 12 can slide to and keep off slowly driven gear 11 and engage and make power take-off shaft and keep off slowly between driven gear 11 and form messenger chain; Perhaps, gearshift adapter 12 can slide to fast gear driven gear 23 and engages and make power take-off shaft 13 and keep off soon between driven gear 23 and form messenger chain; Perhaps, gearshift adapter 12 can slide to fast gear driven gear 23 and keep off slowly between driven gear 11 and form neutral; Belong to existing gearshift adapter 26S Proteasome Structure and Function, do not repeat them here; Gearshift adapter 12 can adopt existing synchronizer structure; The adapter of shifting gears is arranged at power take-off shaft, makes output control of engine power sensitive, improves driving efficiency, and makes shift process smoothly smooth and easy.
In the present embodiment, described fast gear driven gear 23 is arranged at power take-off shaft 13 by overriding clutch 15, described fast gear driven gear 23 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 gear transmission, inner ring 14 normal-running fiies of overriding clutch 15 are coated at power take-off shaft 13, described gearshift adapter 12 engages by the inner ring 14 with overriding clutch 15 or disconnects and make to keep off soon driven gear 23 and power take-off shaft 13 transmissions or normal-running fit, that is: gearshift adapter 12 engages and forms fast gear messenger chain by overriding clutch 15 and fast gear driven gear 23 realizations, in the present embodiment, overriding clutch 15 outer rings are integrally formed with fast gear driven gear 23, adopt the mounting structure of overriding clutch 15, can make gearshift 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 that the succinct convenience of operation under the prerequisite of gear arranged, and in climbing, wait while needing power, can by the gearshift adapter with keep off slowly driven gear and engage and drive and advance.
In the present embodiment, described power input shaft 21 is power motor 22 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 25 of power motor 22, 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 described differential casing 1 is set in rotation with case of transmission 18; Differential casing 1 directly supports and is installed on case of transmission 18, makes the driving assembly structure compactness of three-wheel vehicle, and the messenger chain of power output is short, save drive energy, simultaneously, make power output steadily, globality is stronger, is more suitable for using in compact cars such as electric three-wheels; 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 are equipped with dynamic output driving gear 24, are equipped with differential casing 1 transmission the power that slows down engagement with power output driving gear 24 and export driven gear 7; Described power input driving gear 19 slows down and meshes with power input driven gear 17; 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 present embodiment, the planet wheel spindle 3 of diff is fixed in differential casing 1 through differential casing 1 and by the set pin 6 through planet wheel spindle 3 radially, the extension shaft part of the left half axle gear 2 of diff and the extension shaft part of right axle shaft gear 4 respectively with differential casing 1 normal-running fit; Certainly, the piece differential cage body need be provided with necessary mounting hole, in order to planetary wheel and axle side gear are packed into, does not repeat them here.
In the present embodiment, integrally formed being provided with for assembling the assembling shaft part 10 of power output driven gear 7 on described differential casing 1, described differential casing 1 forms the step 8 that radial dimension is greater than the assembling shaft part, and described power output driven gear 7 is coated at this assembling shaft part 10 and axially is against mode detachable fixedly the be assemblied in differential casing 1 of the axial end of step 8 with axial and radial location; Assembling shaft part 10 forms in differential casing 1 formation and is similar to the stepped shaft structure, thereby forms annular end face, after power output driven gear 7 is coated at this ladder shaft part, radially, directly by the little shaft part location of stepped shaft, guarantees preferably right alignment; Simultaneously, step end face must be exported driven gear to power and form axial location, and is fixed in this step end face by bolt 9, has the effect of accomplishing right alignment simultaneously; Guaranteed the right alignment between differential casing 1 and power output driven gear 7.
In the present embodiment, described installation via hole is arranged at the radial sidewalls of differential casing, is arranged at radial sidewalls, does not affect the ability of carry-over moment, and makes this housing structure compactness, lightweight, is suitable for electro-tricycle and uses; Radial sidewalls is the rotation direction with respect to left half axle gear and right axle shaft gear, the i.e. rotation direction of differential casing.
In the present embodiment, described power output driven gear 7 is against step 8 and is anchored on the axial end of this step 8 by bolt 9, and the side that described power output driven gear 7 is against step 8 is provided with for holding the circular groove of step; Adopt this circular groove structure, be beneficial to further location, and make its mounting structure compactness, reduce volume.
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 (10)
1. a battery-driven car drives assembly, and it is characterized in that: 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.
2. battery-driven car according to claim 1 drives assembly, it is characterized in that: described change-speed box is two shift transmissions, 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 and keeps off slowly driving gear, fast gear 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 and keeps off slowly driven gear and fast gear driven gear, describedly keep off slowly driving gear and the mode can make between tween drive shaft and power take-off shaft to cut off or engage of keeping off slowly between driven gear meshes formation and keeps off slowly messenger chain, described fast gear driving gear and the mode can make between tween drive shaft and power take-off shaft to cut off or engage of keeping off soon between driven gear mesh and form fast gear messenger chain.
3. battery-driven car according to claim 2 drives assembly, it is characterized in that: the described driving gear that keeps off slowly all coordinates with the tween drive shaft transmission with fast gear driving gear, described keep off slowly driven gear and fast gear driven gear all with the power take-off shaft normal-running fit, the gearshift adapter is set keeping off slowly driven gear and keep off soon the mode overcoat with the circumferencial direction transmission that can endwisely slip between driven gear on described power take-off shaft, power take-off shaft endwisely slips by this gearshift adapter and keeps off slowly driven gear and engage and keep off slowly transmission, engage the transmission of fast gear with fast gear driven gear or form neutral.
4. battery-driven car according to claim 3 drives assembly, it is characterized in that: described fast gear driven gear is arranged at power take-off shaft by overriding clutch, described fast gear 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 gear transmission, the inner ring normal-running fit of overriding clutch is coated at power take-off shaft, and described gearshift adapter is by engaging with the inner ring of overriding clutch or disconnecting and make to keep off soon driven gear and power take-off shaft transmission or normal-running fit.
5. drive assembly according to the described battery-driven car of the arbitrary claim of claim 1 to 4, it is characterized in that: described power input shaft is the power motor main shaft.
6. drive assembly according to the described battery-driven car of the arbitrary claim of claim 1 to 4, it is characterized in that: described power input shaft coordinates with the detachable transmission of the rotor shaft of power motor.
7. drive assembly according to the described battery-driven car of the arbitrary claim of claim 1 to 4, it is characterized in that: described case of transmission is integrally formed to be provided with for holding the cavity of diff, and described differential casing is set in rotation with in case of transmission.
8. battery-driven car according to claim 7 drives assembly, it is characterized in that: described power take-off shaft transmission is equipped with dynamic output driving gear, with the differential casing transmission, is equipped with the power output driven gear that slows down and mesh with power output driving gear; Described power input driving gear and power input driven gear slow down and mesh.
9. battery-driven car according to claim 8 drives assembly, it is characterized in that: the planet wheel spindle of diff is through differential casing and by radially through the set pin of planet wheel spindle, being fixed in differential casing, the extension shaft part of the left half axle gear of diff and the extension shaft part of right axle shaft gear respectively with the differential casing normal-running fit.
10. battery-driven car according to claim 9 drives assembly, it is characterized in that: integrally formed being provided with for assembling the assembling shaft part of power output driven gear on described differential casing, described differential casing forms the step that radial dimension is greater than the assembling shaft part, and described power output driven gear is coated at this assembling shaft part and axially is against mode detachable fixedly the be assemblied in differential casing of the axial end of step with axial and radial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203528462U CN203318159U (en) | 2013-06-19 | 2013-06-19 | Driving assembly for electromobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203528462U CN203318159U (en) | 2013-06-19 | 2013-06-19 | Driving assembly for electromobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318159U true CN203318159U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203528462U Expired - Fee Related CN203318159U (en) | 2013-06-19 | 2013-06-19 | Driving assembly for electromobiles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203318159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553524A (en) * | 2015-09-25 | 2017-04-05 | 舍弗勒技术股份两合公司 | A kind of e-shaft drive system and automobile |
-
2013
- 2013-06-19 CN CN2013203528462U patent/CN203318159U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553524A (en) * | 2015-09-25 | 2017-04-05 | 舍弗勒技术股份两合公司 | A kind of e-shaft drive system and automobile |
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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: 20131204 Termination date: 20170619 |