CN201721325U - Driving system for electric vehicles - Google Patents
Driving system for electric vehicles Download PDFInfo
- Publication number
- CN201721325U CN201721325U CN2010202786730U CN201020278673U CN201721325U CN 201721325 U CN201721325 U CN 201721325U CN 2010202786730 U CN2010202786730 U CN 2010202786730U CN 201020278673 U CN201020278673 U CN 201020278673U CN 201721325 U CN201721325 U CN 201721325U
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- CN
- China
- Prior art keywords
- motor
- transmission
- transmission gearbox
- motor spindle
- battery
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Abstract
The utility model relates to a driving system for electric vehicles, which is characterized by comprising a transmission case consisting of an opening, a first space and an inner bearing seat, a transmission mechanism contained in the first space of the transmission case, a first transmission case inner bearing assembled in the inner bearing seat, and a motor consisting of a rotor and a motor spindle, wherein the rotor is connected with the motor spindle; the motor spindle penetrates the opening, is born by the transmission case inner bearing and is connected with the transmission mechanism; and the transmission mechanism is positioned between the rotor and the transmission case inner bearing. The driving system for electric vehicles has the following advantages: by the system configuration, when the wheels return load to the motor spindle, the motor spindle is positioned between the supporting end of the bearing and the motor body, therefore, the supporting capacity is better, even in a condition of higher load, the motor can run stably, and the running stability of the motor and the supporting capacity of the motor spindle are improved.
Description
Technical field
The utility model relates to a kind of battery-driven car, refers to a kind of battery-driven car driving system especially.
Background technology
Battery-driven car mainly is to be propulsion source with the motor, in order to have given play to the usefulness of motor maximum on the road surface of height fluctuations, motor power can be seen through driving system usually and transfer to wheel, drives vehicle and advances; Based on workload, working speed and keep the demand of motor operation in the optimum efficiency operation point, the reduction ratio of driving system can suitably change along with load variations, to obtain preferable service performance.
With reference to figure 1, the cutaway view of representing motor and transmission gearbox configuration in the known electric locomotive driving system, wherein transmission gearbox is mutually combined by a transmission gearbox shell 91 and a transmission-case cover 92 and defines the space of a ccontaining transmission device 93, and transmission gearbox shell 91 1 sides have more provided an opening 911.Transmission device 93 has been for example for having seen the continuous variable transmission of general internal-combustion engine vehicle, includes driving band, and element such as drive pulley.
Motor 90 is fixed in transmission gearbox shell 91 outsides from combined outside.With the takeoff output that produces, 901 of motor spindles pass opening 911 and are inserted in the transmission gearbox inputting shaft as driving system motor 90 via motor spindle 901.Transmission device 93 is a part of to be linked with motor spindle 901, another partly then cooperate a power-transfer clutch 94 and the selecting type transmitting rotary power in a force-output shaft 95.
Opening 911 places of known transmission gearbox shell 91 are provided with a bearing 98 to support motor spindle 901, therefore when motor 90 generation power, with power by motor spindle 901 output after, but mat transmission device 93 reaches force-output shaft 95 with power-transfer clutch 94 with power, and the power that force-output shaft 95 is received can be passed to wheel 97 via speed reduction gearing 96 again.
Because above-mentioned assembling is to support motor spindle by the bearing 98 that is installed on the transmission gearbox shell 91, therefore the load meeting of being sent back by wheel 97 puts on motor spindle 901 ends (promptly with transmission device 93 bonded assembly sections).The supportive of 98 pairs of motor spindles 901 of its bearing of the assembling of this kind pattern can be not good when load is big, and again because motor spindle 901 supportives are not good, motor spindle 901 rotates will be unstable, related motor 90 internal operations that influence.Therefore the utility model has solved the problems referred to above and has made motor spindle 901 have good supporting.
The utility model content
The purpose of this utility model provides a kind of battery-driven car driving system, so that battery-driven car driving system motor spindle has good supporting.
The purpose of this utility model is achieved in that a kind of battery-driven car driving system, it is characterized in that comprising a transmission gearbox, a transmission device, one first transmission gearbox neck bearing, reaches a motor.Above-mentioned transmission gearbox includes an opening, one first space, reaches an inner pedestal, and transmission device is to be located in first space of transmission gearbox, and the first transmission gearbox neck bearing then is mounted on the inner pedestal of transmission gearbox.
Said motor includes a rotor, reaches a motor spindle, and its rotor connects motor spindle, and motor spindle then passes the transmission gearbox opening and held in the transmission gearbox neck bearing.Motor spindle is connected with transmission device in addition, and specifically, transmission device is disposed between rotor and the transmission gearbox neck bearing.
Above-mentioned transmission gearbox can comprise a transmission gearbox shell and a transmission-case cover that mutually combines.Transmission device can include a driving disk group, a drive plate group, a driving band, reach a force-output shaft, and wherein the driving disk group is mounted on motor spindle, and the drive plate group is mounted on force-output shaft, and drive belt ring is placed between driving disk group and the drive plate group.
The battery-driven car driving system can more include a power-transfer clutch, power-transfer clutch comprises a clutch plate, reach a friction part, clutch plate is to rotate synchronously with force-output shaft, and the drive plate group is hubbed at force-output shaft, and friction part rotates synchronously with the drive plate group and selecting type is coupled to clutch plate.
Above-mentioned driving disk group can comprise a main driving disk, a sliding driving disk, with a roller, the drive plate group can comprise a sleeve, a main gear dish, a slip drive plate, with an elastic component.Main driving disk is fixedly arranged on motor spindle, sliding driving disk axially is slidedly arranged on motor spindle and rotates synchronously, sleeve is sheathed on force-output shaft rotationally, the main gear dish is fixedly arranged on sleeve, the slip drive disk axles is to being slidedly arranged on sleeve and rotating synchronously, roller is resisted against sliding driving disk, and elastic component is resisted against the slip drive plate.
The battery-driven car driving system can more include speed reduction gearing system and transmission device coupling, and speed reduction gearing can be a gear reduction.
Said motor can include a motor shell system and accommodate rotor, and is fixed in the transmission gearbox outside from outside assembling.Perhaps, transmission gearbox can more include one second space system and accommodate rotor, and motor spindle passes opening and stretches into first space from second space.And in latter's occasion, the opening of transmission gearbox can be organized and be provided with one second transmission gearbox neck bearing, and motor spindle is held simultaneously in the second transmission gearbox neck bearing.
The utility model has the advantages that: dispose by said system, to pass the position of load back be between bearings end and motor body because motor spindle is subjected to wheel, supportive is preferable, even in bigger load occasion, also can allow motor firmly turn round, promote the steadiness and the motor spindle supportive of motor running.
Description of drawings
Fig. 1 is known electric locomotive driving system cutaway view.
Fig. 2 is the electric locomotive driving system cutaway view of the utility model first preferred embodiment.
Fig. 3 is the electric locomotive driving system cutaway view of the utility model second preferred embodiment.
The main element nomenclature
Transmission-case cover 92 transmission devices 93
Power-transfer clutch 94 force-output shafts 95
Speed reduction gearing 96 wheels 97
Bearing 98
Motor spindle 14,43 transmission gearboxs 20
Transmission gearbox shell 201,401 transmission-case covers 202,402
Opening 203,404 inner pedestals 21
Clutch plate 261 friction parts 262
Speed reduction gearing 27 wheels 28
Transmission gearbox neck bearing 29,44,45 inputting shafts 301
Force-output shaft 302 drop-gear box shells 31
First space S, 1 motor enclosing cover 403
Second space S 2
The specific embodiment
With reference to figure 2, be the electric locomotive driving system cutaway view of first embodiment.An electric locomotive drive train element shown in figure configuration, mainly comprise a motor 10, with a transmission gearbox 20.Transmission gearbox 20 mainly comprise the transmission gearbox shell 201 that mutually combines, with a transmission-case cover 202, the two defines one first space S 1 jointly to accommodate a transmission device 22.
Transmission gearbox shell 201 1 sides have provided an opening 203, and transmission-case cover 202 medial surfaces are formed with an inner pedestal 21, one transmission gearbox neck bearings 29 and promptly are mounted on inner pedestal 21.One drop-gear box shell 31 is incorporated into transmission gearbox shell 201, and the two defines a space jointly and accommodates a speed reduction gearing 27.In this example, speed reduction gearing 27 is a gear reduction, and it is coupled to wheel 28, so that motor power finally is passed to wheel 28.
Force-output shaft 302 is parallel to motor spindle 14 and is provided with, and stretching out from first space S 1 passes transmission gearbox shell 201, and is held in transmission gearbox shell 201 and drop-gear box shell 31.
Driving band 24 is located between driving disk group 23 and the drive plate group 25, so that motor power self-powered Moving plate group 23 is delivered to drive plate group 25.
Driving system also includes a power-transfer clutch 26 in the present embodiment, and power-transfer clutch 26 includes a clutch plate 261, reaches a friction part 262.Clutch plate 261 is fixed in force-output shaft 302 with its synchronous rotation, friction part 262 with drive plate group 25 rotate synchronously, and according to rotating centnifugal force selecting type is coupled to clutch plate 261.Friction part 262 is fixedly arranged on this sleeve 251.
Specifically, the utility model is disposed at transmission device 22 between motor rotor 13 and the transmission gearbox neck bearing 29, and for example originally executing transmission gearbox neck bearing 29 in the example is the ends that support motor spindle 14.By such arrangements of components, motor spindle 14 has preferable supportive, therefore still can suitably keep the firm running of motor 10 when running into bigger load variations.
With reference to figure 3, be the driving system of second embodiment.Present embodiment is to modify and obtain according to first example, main difference is that transmission gearbox comprises a transmission gearbox shell 401, a transmission-case cover 402, reaches a motor enclosing cover 403, wherein transmission gearbox shell 401 defines one first space S 1 to accommodate transmission device 46 jointly with transmission-case cover 402, and motor enclosing cover 403 defines one second space S 2 jointly with transmission gearbox shell 401 and accommodates the electromechanical compo of motor (as rotor 41 and stator 42).
Motor spindle 43 is connected in rotor 41, and passes an opening 404 and stretch into first space S 1 from second space S 2.Motor spindle 43 more is subjected to another transmission gearbox neck bearing 45 (being mounted on opening 404) institute supplemental support except that being supported in as the described transmission gearbox neck bearing 44 of first example.Therefore, transmission device 46 is positioned between the two transmission gearbox neck bearings 44,45.Dispose the firm characteristic of better motor spindle with respect to known drive train element equally by such design.
Claims (10)
1. battery-driven car driving system is characterized in that comprising:
One transmission gearbox includes an opening, one first space and an inner pedestal;
One transmission device is located in first space of this transmission gearbox;
One first transmission gearbox neck bearing is mounted on this inner pedestal; And
One motor, include a rotor, reach a motor spindle, this rotor connects this motor spindle, and this motor spindle passes this opening and held in this transmission gearbox neck bearing and with this transmission device and is connected, and wherein this transmission device is between this rotor and this transmission gearbox neck bearing.
2. battery-driven car driving system as claimed in claim 1 is characterized in that this transmission gearbox comprises a transmission gearbox shell and a transmission-case cover that mutually combines.
3. battery-driven car driving system as claimed in claim 1, it is characterized in that this transmission device includes a driving disk group, a drive plate group, a driving band, reaches a force-output shaft, this driving disk group is mounted on this motor spindle, this drive plate group is mounted on this force-output shaft, and this drive belt ring is placed between this driving disk group and this drive plate group.
4. battery-driven car driving system as claimed in claim 3, it is characterized in that including a power-transfer clutch, this power-transfer clutch comprises a clutch plate, reach a friction part, this clutch plate rotates synchronously with this force-output shaft, this drive plate group is hubbed at this force-output shaft, and this friction part rotates synchronously with this drive plate group and selecting type is coupled to this clutch plate.
5. battery-driven car driving system as claimed in claim 3, it is characterized in that this driving disk group comprises a main driving disk, one sliding driving disk and a roller, this drive plate group comprises a sleeve, one main gear dish, an one slip drive plate and an elastic component, this main driving disk is fixedly arranged on this motor spindle, this sliding driving disk axially is slidedly arranged on this motor spindle and rotates synchronously, this sleeve is sheathed on this force-output shaft rotationally, this main gear dish is fixedly arranged on this sleeve, this slip drive disk axles is to being slidedly arranged on this sleeve and rotating synchronously, this roller is resisted against this sliding driving disk, and this elastic component is resisted against this slip drive plate.
6. battery-driven car driving system as claimed in claim 1 is characterized in that including a speed reduction gearing, this speed reduction gearing and the coupling of this transmission device.
7. battery-driven car driving system as claimed in claim 6 is characterized in that this speed reduction gearing is a gear reduction.
8. battery-driven car driving system as claimed in claim 1 is characterized in that this motor includes a motor shell system and accommodates this rotor and be fixed in this transmission gearbox outside from outside assembling.
9. battery-driven car driving system as claimed in claim 1 is characterized in that this transmission gearbox includes one second space system and accommodates this rotor, and this motor spindle passes this opening and stretches into this first space from this second space.
10. battery-driven car driving system as claimed in claim 9 is characterized in that this opening group is provided with one second transmission gearbox neck bearing, and this motor spindle is held in this second transmission gearbox neck bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202786730U CN201721325U (en) | 2010-07-28 | 2010-07-28 | Driving system for electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202786730U CN201721325U (en) | 2010-07-28 | 2010-07-28 | Driving system for electric vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201721325U true CN201721325U (en) | 2011-01-26 |
Family
ID=43489622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202786730U Expired - Fee Related CN201721325U (en) | 2010-07-28 | 2010-07-28 | Driving system for electric vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201721325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089387A (en) * | 2014-05-14 | 2015-11-25 | 株式会社有信 | Actuator for vehicles |
-
2010
- 2010-07-28 CN CN2010202786730U patent/CN201721325U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089387A (en) * | 2014-05-14 | 2015-11-25 | 株式会社有信 | Actuator for vehicles |
| CN105089387B (en) * | 2014-05-14 | 2019-01-04 | 株式会社有信 | Vehicle actuator |
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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: 20110126 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |