CN202971796U - Automatic transmission of electric vehicle - Google Patents
Automatic transmission of electric vehicle Download PDFInfo
- Publication number
- CN202971796U CN202971796U CN 201220101438 CN201220101438U CN202971796U CN 202971796 U CN202971796 U CN 202971796U CN 201220101438 CN201220101438 CN 201220101438 CN 201220101438 U CN201220101438 U CN 201220101438U CN 202971796 U CN202971796 U CN 202971796U
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- clutch
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- output shaft
- gear
- main shaft
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Abstract
The utility model discloses an automatic transmission of an electric vehicle. A main shaft of a driving motor is connected with a motor connecting disc. The motor connecting disc and a clutch housing are in insertion joint. A clutch assembly is internally provided with the following components: a driving friction plate, a driven friction disc and a clutch pressure plate. The clutch pressure plate and a core shaft are provided with a hollow main shaft. One end of the hollow main shaft is fixed with an electromagnet which is internally provided with an electromagnet core. The electromagnet core moves for causing disengagement and combination of the driving friction plate and the driven friction disc. The clutch housing is slidably matched with the hollow main shaft. Driving gears are separately equipped on the hollow main shaft. One side of the hollow main shaft is provided with an output shaft on which driven gears are equipped. A synchronizer combination sleeve is equipped between the driven gears. Two sides of the synchronizer combination sleeve are respectively provided with internal teeth which can perform engagement transmission with outer teeth of the driven gears. An output pinion is also fixed at one side of the output shaft. A bull gear on a differential is engaged with the output pinion for driving the differential to output power.
Description
Technical field
The utility model relates to automatic transmission AMT technical field, the especially automatic transmission of electrical actuation electric vehicle special use.
Background technique
At present, not fill and use automatic speed variator, reason be not grasp the automatic transmission technology to the electric vehicle of known production and use.So existing electric vehicle can only adopt single reduction gear, mainly there is following shortcoming: the one, starting takes electricity; The 2nd, low speed goes up a slope unable; The 3rd, not at a high speed; The 4th, there is no the space, when causing descending, electric power generation to controller recoil electricity, easily makes controller burn out, because also there is no energy recycle device on present vehicle.Therefore, electric car automatic speed transmission market is still blank so far at present.
The model utility content
The utility model is for the deficiency that existing above problem exists, provide a kind of simple in structure, speed change rapidly, have an automatic transmission of neutral and multi-gear transmission.
The technological scheme that its technical problem that solves the utility model adopts is:
be connected with the motor bond pad on the main shaft of drive motor, motor bond pad and clutch outer member are pegged graft, a plurality of active friction plates and a plurality of driven friction disk are arranged in clutch assembly, and clutch compressing disc, clutch compressing disc is arranged between motor bond pad and active friction plate, clutch compressing disc and mandrel are provided with the hollow main shaft that is rotatably assorted with mandrel, be fixed with the friction disk support drum on the hollow main shaft, on the external cylindrical surface of friction disk support drum, spline is arranged, be connected with internal spline on driven friction disk, driven friction disk is arranged on a side of each active friction plate and realizes the clutch of driven friction disk and active friction plate by the left and right moving of clutch compressing disc.The other end of hollow main shaft is fixed with electromagnet, and electromagnet is located at an end of hollow spindle, is provided with electromagnetic core in electromagnet, thereby electromagnetic core moves and clutch compressing disc moved left and right make active friction plate and driven friction disk to break away from and combination.clutch outer member and hollow main shaft are slidably matched, be arranged at intervals with the driving gear that has the different numbers of teeth more than two on the hollow main shaft, be arranged with output shaft in parallel in the side with the hollow main shaft, slide on output shaft and be provided with identical with described driving gear quantity and corresponding intermeshing driven gear one by one, driven gear and output shaft can relatively rotate, be equipped with on output shaft with respect to the output shaft synchronizer clutch collar that can only endwisely slip, be provided with a synchronizer clutch collar between every two driven gears, the both sides of synchronizer clutch collar be respectively arranged with can with the internal tooth of the external tooth engagement driving of the driven gear of this side, one side of output shaft also is fixed with output pinion, gearwheel on differential mechanism and output pinion engagement drive the differential mechanism outputting power, stepper motor drives shift fork and then drives the synchronizer clutch collar and carries out the automatic conversion of gear.
Above-mentioned more than one synchronizer clutch collar has one or two, and a synchronizer clutch collar can be controlled respectively the clutch of two driven gears and output shaft, and two synchronizer clutch collars can be controlled respectively the clutch of four driven gears and output shaft.There are three or four according to top described active friction plate.
Above-mentioned electromagnet is: electromagnetic core is in electromagnet, and electromagnetic core moves and makes active friction plate separate frictional engagement with driven friction disk.
According to top described, the connection that is spirally connected after wherein clutch outer member is formed in one, motor bond pad and clutch outer member socket connection, clutch outer member is spirally connected with active friction plate and is connected, and driven friction is spirally connected with the friction disk support drum and is connected.
The utility model is the demand for the present electric automobile market of China, and electric vehicle requires to design from low speed to high speed in order to satisfy, and it can be in the situation that the different speed of a motor vehicle realizes automatic speed changing.
The beneficial effects of the utility model:
1, the combination by magnet control active friction plate and driven friction disk with separate, drive shift fork and then drive the synchronizer clutch collar by stepper motor and carry out the automatic switchover of gear.
2, simple in structure, gear conversion flexibility and reliability, good operating stability, rate of fault is little, and the life-span is long.
3, the automatic transmission that is applicable to the power such as electric vehicle and hybrid power engine is used.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Fig. 1 is embodiment's 1 of the present utility model structural representation.
Fig. 2 is embodiment's 2 of the present utility model structural representation.
Fig. 3 is embodiment's 3 of the present utility model structural representation.
in figure: 1. motor bond pad, 2. clutch compressing disc, 3. active friction plate, 4. driven friction disk, 5. clutch outer member, 6. friction disk support drum, 7. hollow main shaft, 8. one keep off driving gear, 9. two keep off driving gears, 10. electromagnet, 11. mandrel, 12. output shaft, 13. two gear driven gears, 14. one, two gear synchronizer clutch collars, a 15. gear driven gear, 16. differential mechanism, 17. semiaxis, 18. differential mechanism gearwheel, 19. output shaft small gear, 20. spring, 21. drive motor, 22. synchronizer engages drum kit, 23. electromagnetic core, 24. stepper motor, 25. shift fork.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
drive motor (21) drive motor land (1), motor land (1) drives clutch outer member (5), clutch outer member (5) drives active friction plate (3), under the pressuring action of spring (20), active friction plate (3) often engages with driven friction disk (4), power is passed to friction disk support drum (6) through driven friction disk (4), friction disk support drum (6) is passed to hollow main shaft (7), mandrel (11) in hollow main shaft (7) is that electromagnetic core promotes forward mandrel (11) when electromagnet is switched on, clutch compressing disc (2) is moved to the left, overcome spring (20) pressure, make active friction plate of clutch (3) and driven friction disk (4) separation cut power.the other end of hollow main shaft (7) is fixed with electromagnet (10), be arranged at intervals with a gear driving gear (8) and the two gear driving gears (9) of two different numbers of teeth on hollow main shaft (7), be arranged with output shaft (12) in parallel in the side with hollow main shaft (7), be provided with empty set on output shaft (12) at a gear driven gear (15) and the two gear driven gears (13) of output shaft (12), one gear driven gear (15) and two gear driven gears (13) can relatively rotate with output shaft (12), be equipped with respect to output shaft (12) on output shaft (12) and can only endwisely slip, the synchronizer that can not rotate engages drum kit (22), one, two gear synchronizer clutch collars (14) are arranged between a gear driven gear (15) and two gear driven gears (13), one, the both sides of two gear synchronizer clutch collars (14) be respectively arranged with can with the internal tooth of the external tooth engagement driving of the driven gear of this side, one side of output shaft (12) also is fixed with output shaft small gear (19), differential mechanism gearwheel (18) on differential mechanism (16) and output shaft small gear (19) engagement, drive semiaxis (17) outputting power on differential mechanism (16).
One, two above-mentioned gear synchronizer clutch collars (14) have one, also can arrange two, a synchronizer clutch collar can be controlled respectively the clutch of two driven gears and output shaft, and two synchronizer clutch collars can be controlled respectively the clutch of four driven gears and output shaft.
Above-mentioned electromagnet (10) is: electromagnet mandrel (23) is combined with an end of mandrel (11), and electromagnet energising mandrel (11) is moved to the left and makes active friction plate (3) and driven friction disk (4) disengaging frictional engagement realize separating.
change a gear: drive motor (21) drive motor bond pad (1), clutch outer member (5) drives active friction plate (3) and driven friction disk (4), driven friction disk (4) drives friction disk support drum (6), friction disk support drum (6) drives hollow main shaft (7) rotation, electromagnet energising this moment, mandrel (11) is moved to the left, active friction plate (3) separates with driven friction disk (4), stepper motor (24) energising drives shift fork (25) left, shift fork (25) drives one, two gear synchronizer clutch collars (14) are moved to the left, make one, two gear synchronizer clutch collars (14) and gear driven gear (a 15) combination, this moment the electromagnet dead electricity, under the pressure of spring (20), clutch compressing disc (2) compresses active friction plate (3) and driven friction disk (4) again, power passes to hollow main shaft (7) through friction disk support drum (6), be delivered to again a gear driving gear (8), one gear driven gear (15) drives output shaft (12), output shaft small gear (19) arrives differential mechanism gearwheel (18) to transmission of power again, differential mechanism (16) drives semiaxis (17).
shift into second: in the time of need to changing to two gears, electromagnet (10) energising promotes forward mandrel (11), clutch compressing disc (2) is moved forward, active friction plate (3) separates with driven friction disk (4), power interruption, the stepper motor (24) of gearshift energising simultaneously, stepper motor (24) rotarily drives the leading screw rotation, leading screw drives shift fork (25) and moves backward, and shift fork (25) stirs one simultaneously, two gear synchronizer clutch collars (14) move right, and make one, protruding tooth on two gear synchronizer clutch collars (14) is advanced in two gear driven gears (13), this moment one, gear driven gear (15) separated with output shaft (12), two gear driven gears (13) are fixing with output shaft (12), this moment magnetic clutch (10) dead electricity, clutch compressing disc (2) compresses active friction plate (3) and driven friction disk (4) again under the effect of spring (20), power is successively through hollow main shaft (7), two gear driving gears (9), two gear driven gears (13), synchronizer engages drum kit (22), one, two gear synchronizer clutch collars (14), output shaft (12), output shaft small gear (19), differential mechanism gearwheel (18), differential mechanism (16), with power transmission to semiaxis (17).
Claims (4)
1. electric car automatic speed transmission, it is characterized in that: be connected with the motor land on the main shaft of drive motor, with be set with clutch outer member on the concentric hollow spindle of the main-shaft axis of drive motor, be provided with multi-disc active friction plate and driven friction disk in shell, the active friction plate end face is provided with clutch compressing disc, the hollow spindle the other end has electromagnet, be provided with the axle that is rotatably assorted with it in hollow spindle, clutch compressing disc is provided with and compresses the spring that clutch disk is used, be provided with the friction disk support drum in clutch, there are spline and driven friction disk to be slidably connected on the external cylindrical surface of friction disk support drum, each driven friction disk and each active friction plate move left and right to realize the clutch of driven friction disk and active friction plate by clutch compressing disc, clutch outer member and hollow spindle are slidably matched, be arranged at intervals with the driving gear that has the different numbers of teeth more than two on hollow spindle, a side at hollow spindle is arranged with output shaft in parallel, slide on output shaft and be provided with identical with described driving gear quantity and corresponding intermeshing driven gear one by one, driven gear and output shaft can relatively rotate, be equipped with on output shaft with respect to output shaft and can only endwisely slip, the more than one synchronizer combined cover that can not rotate, be provided with a synchronizer combined cover between every two driven gears, the both sides of synchronizer combined cover be respectively arranged with can with the internal tooth of the external tooth engagement driving of the driven gear of this side, one side of output shaft also is fixed with output pinion, gearwheel on differential mechanism and output pinion engagement drive the differential mechanism outputting power, stepper motor drives shift fork and then drives the synchronizer combined cover by leading screw and carries out the automatic conversion of gear.
2. electric car automatic speed transmission according to claim 1, it is characterized in that the synchronizer combined cover has one or two, a synchronizer combined cover can be controlled respectively the clutch of two driven gears and output shaft, and two synchronizer combined covers can be controlled respectively the clutch of four driven gears and output shaft.
3. electric car automatic speed transmission according to claim 1, is characterized in that electromagnet is located at an end of hollow spindle, is provided with electromagnetic core in electromagnet, and electromagnetic core moves active friction plate and driven friction disk are broken away from and combination.
4. according to claim 1-3 described electric car automatic speed transmissions of any one, is characterized in that active friction plate has three or four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101438 CN202971796U (en) | 2012-03-19 | 2012-03-19 | Automatic transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101438 CN202971796U (en) | 2012-03-19 | 2012-03-19 | Automatic transmission of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971796U true CN202971796U (en) | 2013-06-05 |
Family
ID=48512873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220101438 Expired - Fee Related CN202971796U (en) | 2012-03-19 | 2012-03-19 | Automatic transmission of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971796U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN104279316A (en) * | 2014-10-29 | 2015-01-14 | 苏州大方特种车股份有限公司 | Gearbox and automatic gear shifting mechanism of gearbox |
| CN105270205A (en) * | 2015-10-10 | 2016-01-27 | 华南理工大学 | Motor driving system with two-gear automatic transmission function and gear-shifting control method |
| CN106393960A (en) * | 2016-06-17 | 2017-02-15 | 桐乡市龙欣印染有限公司 | Intermittent drive mechanism of printing worktable |
| CN110065381A (en) * | 2019-03-26 | 2019-07-30 | 中国汽车技术研究中心有限公司 | A kind of three mode mixture power device of automobile-used dual input shaft and working method |
| CN110594313A (en) * | 2019-09-23 | 2019-12-20 | 浙江铃丰科技有限公司 | Novel clutch assembly |
| CN110666583A (en) * | 2019-11-07 | 2020-01-10 | 浙江金澳兰机床有限公司 | Supply device for cutting fluid of electric lathe and using method thereof |
| WO2022105191A1 (en) * | 2020-11-17 | 2022-05-27 | 华为数字能源技术有限公司 | Two-speed transmission of electric vehicle, and electric vehicle |
| CN114887532A (en) * | 2022-04-22 | 2022-08-12 | 四川大学青岛研究院 | Device and method for preparing phosphogypsum crystal region by using phosphogypsum |
-
2012
- 2012-03-19 CN CN 201220101438 patent/CN202971796U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN104279316A (en) * | 2014-10-29 | 2015-01-14 | 苏州大方特种车股份有限公司 | Gearbox and automatic gear shifting mechanism of gearbox |
| CN105270205A (en) * | 2015-10-10 | 2016-01-27 | 华南理工大学 | Motor driving system with two-gear automatic transmission function and gear-shifting control method |
| CN105270205B (en) * | 2015-10-10 | 2017-12-01 | 华南理工大学 | A kind of gear switch method with two-shift automatic variable speed motor driven systems |
| CN106393960A (en) * | 2016-06-17 | 2017-02-15 | 桐乡市龙欣印染有限公司 | Intermittent drive mechanism of printing worktable |
| CN106393960B (en) * | 2016-06-17 | 2018-07-27 | 桐乡市龙欣印染有限公司 | A kind of stamp workbench intermittent drive mechanism |
| CN110065381A (en) * | 2019-03-26 | 2019-07-30 | 中国汽车技术研究中心有限公司 | A kind of three mode mixture power device of automobile-used dual input shaft and working method |
| CN110065381B (en) * | 2019-03-26 | 2024-03-22 | 中国汽车技术研究中心有限公司 | Dual-input-shaft three-mode hybrid power device for vehicle and working method |
| CN110594313A (en) * | 2019-09-23 | 2019-12-20 | 浙江铃丰科技有限公司 | Novel clutch assembly |
| CN110666583A (en) * | 2019-11-07 | 2020-01-10 | 浙江金澳兰机床有限公司 | Supply device for cutting fluid of electric lathe and using method thereof |
| CN110666583B (en) * | 2019-11-07 | 2020-10-23 | 浙江金澳兰机床有限公司 | Supply device for cutting fluid of electric lathe and using method thereof |
| WO2022105191A1 (en) * | 2020-11-17 | 2022-05-27 | 华为数字能源技术有限公司 | Two-speed transmission of electric vehicle, and electric vehicle |
| CN114887532A (en) * | 2022-04-22 | 2022-08-12 | 四川大学青岛研究院 | Device and method for preparing phosphogypsum crystal region by using phosphogypsum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20140319 |