CN202944204U - Automatic speed changing power system of electrombile - Google Patents
Automatic speed changing power system of electrombile Download PDFInfo
- Publication number
- CN202944204U CN202944204U CN 201220610960 CN201220610960U CN202944204U CN 202944204 U CN202944204 U CN 202944204U CN 201220610960 CN201220610960 CN 201220610960 CN 201220610960 U CN201220610960 U CN 201220610960U CN 202944204 U CN202944204 U CN 202944204U
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- gear
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- shaft
- driven
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Abstract
The utility model discloses an automatic speed changing power system of an electrombile. A first gear driving gear wheel (16) and a second gear driving gear wheel (15) are arranged on a motor shaft (20), and a first gear driven gear wheel (8) and a second gear driven gear wheel (10) are installed on a transmission shaft (27). The first gear driven gear wheel (8) is sleeved on the transmission shaft (27) through a one-way bearing, and the first gear driven gear wheel (8) is meshed with the first gear driving gear wheel (16). The second gear driven gear wheel (10) is meshed with the second gear driving gear wheel (15), the second gear driven gear wheel (10) is fixedly sleeved on an outer cover (12) of an automatic strengthening clutch, and the automatic strengthening clutch is installed on the transmission shaft (27). The automatic speed changing power system of the electrombile is simple and compact in structure, convenient and quick to assemble, small in size, low in production cost, capable of greatly reducing torque and an impulse load born by a controllable gear changing mechanism in operation, simple and convenient to operate, stable and reliable in gear changing, good in flexibility and capable of effectively avoiding damages to a motor caused by impurities such as silt.
Description
Technical field
The utility model belongs to the vehicle technology field, specifically, and the particularly automatic gear shifting power system on battery-driven car.
Background technology
The power system of electric automobile of producing in the market is all the form that adopts mechanical variable block or solenoid control variable block, that controlled gearshift is arranged on output shaft, but this topology layout has very large defective: 1) cam, retainer or floating bushing, roller are the important components of controllable bidirectional power-transfer clutch, when mechanical operation, the precision parts such as cam, retainer or floating bushing, roller will bear very large moment of torsion, are the basic reasons that causes such failure mechanisms rate; 2) gearshift motion and control assembly are arranged on output shaft, and closely easily enter the position of dust and muddy water, and in the process of motor rotation, sealing member easily weares and teares, and cause the impurity such as silt easily to enter in casing, thereby cause failure mechanisms; 3) control mechanism of controllable bidirectional power-transfer clutch utilizes inclined plane principle, bore post by slope driving, make the retainer of controllable bidirectional power-transfer clutch locked with output shaft or separate, not only complex structure, making and assembling difficulty, and clamping stagnation or damage easily occur, reliability is relatively poor.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of good reliability, can effectively avoid the battery-driven car automatic gear shifting power system that lost efficacy.
the technical solution of the utility model is as follows: a kind of battery-driven car automatic gear shifting power system, left box body (1) and right case (5) connect fixing, form gearbox body, motor is arranged on gearbox body, the motor shaft of this motor (20) stretches in gearbox body, and support mutually by bearing and gearbox body, be provided with vertically a gear driving gear (16) and two gear driving gears (15) on motor shaft (20), be supported with transmission shaft (27) by bearing in described gearbox body, the side of this transmission shaft (27) arranges output shaft (4), output shaft (4) supports mutually by bearing and gearbox body, and an end of output shaft (4) stretches out outside gearbox body, its key is: a gear driven gear (8) and two gear driven gears (10) are installed on described transmission shaft (27), a described gear driven gear (8) is set on transmission shaft (27) by unilateral bearing, this gear driven gear (8) and gear driving gear (a 16) engagement, described two gear driven gears (10) are meshed with two gear driving gears (15), this two gear driven gear (10) is placed on the enclosing cover (12) of automatic force-boosting power-transfer clutch admittedly, described automatic force-boosting power-transfer clutch is arranged on transmission shaft (27), also be provided with output gear (29) on described transmission shaft (27), this output gear (29) is meshed with reducing gear (28) on output shaft (4).
On transmission shaft the utility model is retrofitted to gear changing mechanism by output shaft in the middle of, and replace the controllable bidirectional power-transfer clutch with the automatic force-boosting power-transfer clutch, changed simultaneously the arrangement form of power shift gear, greatly reduce like this moment of torsion and impact load that gear changing mechanism will bear in the running, can effectively avoid gearshift to lose efficacy; Simultaneously, gearshift has guaranteed alerting ability and the long-time service life of controlled gearshift precision parts running away from output shaft.
The neck of the enclosing cover of described automatic force-boosting power-transfer clutch (12) is by being slidably installed on transmission shaft (27), the cylindrical of the inwall of this enclosing cover (12) and friction lining (11) leaves the gap, the friction lining of automatic force-boosting power-transfer clutch (11) is arranged on transmission shaft (27) by lever connecting strap and extension spring, and described friction lining (11) carries out wipe contact by the enclosing cover (12) of centrifugal action and automatic force-boosting power-transfer clutch.This shows, the automatic force-boosting power-transfer clutch not only simple in structure, assembling is easy, easy to operate, and controls stationarity and the good reliability of automatic force-boosting power-transfer clutch, and clamping stagnation or damage situation can not occur, can effectively improve service life.
in order to simplify electric machine structure, convenient processing and assembling, reduce production costs, described motor is by motor shaft (20), motor housing (22), motor stator group (21), rotor group (23) and electric motor end cap (25) consist of, the open at both ends of motor housing (22), these motor housing (22) one ends are fixed on left box body (1), the other end is sealed by electric motor end cap (25), fixed electrical machinery stator pack (21) on the inwall of motor housing (22), this motor stator group (21) is looped around the outside of rotor group (23), and rotor group (23) is placed on motor shaft (20) admittedly.
In order to make the more compact structure in gearbox body, described output gear (29) is structure as a whole with transmission shaft (27), and is positioned between a gear driven gear (8) and two gear driven gears (10).
Beneficial effect: the utility model is simple and compact for structure, assembling easily, fast, volume is small and exquisite, productive costs is low, not only greatly reduce moment of torsion and impact load that controlled gearshift will bear in the running, and easy and simple to handle, and gearshift is steadily reliable, alerting ability is good, can effectively stop the impurity such as silt motor is caused damage.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, left box body 1 and right case 5 connect fixing, form gearbox body.In the outside of left box body 1, motor housing 22 is set, the open at both ends of this motor housing 22, an end of motor housing 22 is fixed on left box body 1, and the other end is by electric motor end cap 25 sealings.Fixed installation motor stator group 21 on the inwall of motor housing 22, this motor stator group 21 is looped around the outside of rotor group 23, and rotor group 23 is placed on motor shaft 20 admittedly.One end of described motor shaft 20 is by bearing and electric motor end cap 25 supportings, and the other end of motor shaft 20 is by bearing and right case 5 supportings, and the middle part of motor shaft 20 is supported on left box body 1 by bearing.Described motor shaft 20, motor housing 22, motor stator group 21, rotor group 23 and electric motor end cap 25 form motor.Be positioned at described motor shaft 20 and be provided with vertically a gear driving gear 16 and two gear driving gears 15 on the axle body of gearbox body, wherein, a gear driving gear 16 is structure as a whole with motor shaft 20, and two gear driving gears 15 are placed on motor shaft 20 admittedly.
As shown in Figure 1, be provided with transmission shaft 27 in gearbox body, support mutually by bearing and left box body 1 and right case 5 respectively at the two ends of this transmission shaft 27.One gear driven gear 8 is installed on described transmission shaft 27 and two gear driven gears 10, gear driven gears 8 are set in by unilateral bearing on transmission shaft 27, this gear driven gear 8 and one keeps off driving tooth 16 and takes turns engagement.Described two gear driven gears 10 are meshed with two gear driving gears 15, this two gears driven gear 10 is placed on the neck of enclosing cover 12 of automatic force-boosting power-transfer clutch admittedly, the neck of the enclosing cover 12 of automatic force-boosting power-transfer clutch is by being slidably installed on transmission shaft 27, the cylindrical of the inwall of this enclosing cover 12 and friction lining 11 leaves the gap, the friction lining 11 of automatic force-boosting power-transfer clutch is arranged on transmission shaft 27 by lever connecting strap and extension spring, and described friction lining 11 carries out wipe contact by the enclosing cover 12 of centrifugal action and automatic force-boosting power-transfer clutch.Described automatic force-boosting power-transfer clutch is similar to shoe block clutch, and therefore not to repeat here for its structure.
As shown in Figure 1, also be provided with output gear 29 on transmission shaft 27, this output gear 29 is between a gear driven gear 8 and two gear driven gears 10, and output gear 29 is structure as a whole with transmission shaft 27.On the side of described transmission shaft 27, output shaft 4 is set, this output shaft 4 parallels with transmission shaft 27 and motor shaft 20.Output shaft 4 supports mutually by bearing and left box body 1 and right case 5, and a wherein end of output shaft 4 stretches out outside right case 5.Admittedly overlap reducing gear 28 on the axle body of described output shaft 4, this reducing gear is meshed with output gear 29 on transmission shaft 27.
Principle of work of the present utility model is as follows:
Rotor 23 drive motor axles 20 rotate, this motor shaft 20 directly drives a gear driving gear 16 and two gear driving gears 15 rotate, one gear driving gear 16 drives a gear driven gear 8 and rotates, one gear driven gear 8 passes through the unilateral bearing power transmission to transmission shaft 27, the output gear 29 that this transmission shaft 27 drives on this axle when rotating rotates, output gear 29 drives reducing gear 28 and rotates, and the direct power transmission of this reducing gear 28 makes output shaft 4 drive vehicle wheel rotation to output shaft 4.At this moment, a gear working chain of whole power system forms, two gear driven gear 10 idle running.After rotating speed when a gear job reaches certain index, the friction lining 11 of automatic force-boosting power-transfer clutch is thrown away with enclosing cover 12 inwalls by centrifugal action and is combined, this moments two, gear driven gear 10 and enclosing cover 12 and 11 3 parts of friction lining formed an integral body, two stop beginning work, owing to surmounting principle, this moment one, gear driven gear 8 began idle running, and two stop beginning work, thereby reach the self-shifting purpose.
Claims (4)
1. battery-driven car automatic gear shifting power system, left box body (1) and right case (5) connect fixing, form gearbox body, motor is arranged on gearbox body, the motor shaft of this motor (20) stretches in gearbox body, and support mutually by bearing and gearbox body, be provided with vertically a gear driving gear (16) and two gear driving gears (15) on motor shaft (20), be supported with transmission shaft (27) by bearing in described gearbox body, the side of this transmission shaft (27) arranges output shaft (4), output shaft (4) supports mutually by bearing and gearbox body, and an end of output shaft (4) stretches out outside gearbox body, it is characterized in that: a gear driven gear (8) and two gear driven gears (10) are installed on described transmission shaft (27), a described gear driven gear (8) is set on transmission shaft (27) by unilateral bearing, this gear driven gear (8) and gear driving gear (a 16) engagement, described two gear driven gears (10) are meshed with two gear driving gears (15), this two gear driven gear (10) is placed on the enclosing cover (12) of automatic force-boosting power-transfer clutch admittedly, described automatic force-boosting power-transfer clutch is arranged on transmission shaft (27), also be provided with output gear (29) on described transmission shaft (27), this output gear (29) is meshed with reducing gear (28) on output shaft (4).
2. battery-driven car automatic gear shifting power system according to claim 1, it is characterized in that: the neck of the enclosing cover of described automatic force-boosting power-transfer clutch (12) is by being slidably installed on transmission shaft (27), the cylindrical of the inwall of this enclosing cover (12) and friction lining (11) leaves the gap, the friction lining of automatic force-boosting power-transfer clutch (11) is arranged on transmission shaft (27) by lever connecting strap and extension spring, and described friction lining (11) carries out wipe contact by the enclosing cover (12) of centrifugal action and automatic force-boosting power-transfer clutch.
3. battery-driven car automatic gear shifting power system according to claim 1 and 2, it is characterized in that: described motor is by motor shaft (20), motor housing (22), motor stator group (21), rotor group (23) and electric motor end cap (25) consist of, the open at both ends of motor housing (22), these motor housing (22) one ends are fixed on left box body (1), the other end is sealed by electric motor end cap (25), fixed electrical machinery stator pack (21) on the inwall of motor housing (22), this motor stator group (21) is looped around the outside of rotor group (23), and rotor group (23) is placed on motor shaft (20) admittedly.
4. battery-driven car automatic gear shifting power system according to claim 3, it is characterized in that: described output gear (29) is structure as a whole with transmission shaft (27), and is positioned between a gear driven gear (8) and two gear driven gears (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610960 CN202944204U (en) | 2012-11-19 | 2012-11-19 | Automatic speed changing power system of electrombile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610960 CN202944204U (en) | 2012-11-19 | 2012-11-19 | Automatic speed changing power system of electrombile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944204U true CN202944204U (en) | 2013-05-22 |
Family
ID=48419917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610960 Expired - Fee Related CN202944204U (en) | 2012-11-19 | 2012-11-19 | Automatic speed changing power system of electrombile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944204U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930133A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Automatic shift decelerator for electrocar |
| CN107009890A (en) * | 2015-09-16 | 2017-08-04 | 舍弗勒技术股份两合公司 | Integrated clutched transmission system with clutch housing carrying drive gears |
| CN108944429A (en) * | 2017-05-19 | 2018-12-07 | 财团法人工业技术研究院 | Transmission mechanism and one-way assembly applied by same |
-
2012
- 2012-11-19 CN CN 201220610960 patent/CN202944204U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930133A (en) * | 2015-06-04 | 2015-09-23 | 江苏南车电机有限公司 | Automatic shift decelerator for electrocar |
| CN107009890A (en) * | 2015-09-16 | 2017-08-04 | 舍弗勒技术股份两合公司 | Integrated clutched transmission system with clutch housing carrying drive gears |
| CN108944429A (en) * | 2017-05-19 | 2018-12-07 | 财团法人工业技术研究院 | Transmission mechanism and one-way assembly applied by same |
| US10948049B2 (en) | 2017-05-19 | 2021-03-16 | Industrial Technology Research Institute | Transmission mechanism and one-way component thereof |
| US11536349B2 (en) | 2017-05-19 | 2022-12-27 | Industrial Technology Research Institute | One-way component of transmission mechanism |
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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: 20130522 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |