CN202140516U - Transmission of electric vehicle - Google Patents
Transmission of electric vehicle Download PDFInfo
- Publication number
- CN202140516U CN202140516U CN201120261478U CN201120261478U CN202140516U CN 202140516 U CN202140516 U CN 202140516U CN 201120261478 U CN201120261478 U CN 201120261478U CN 201120261478 U CN201120261478 U CN 201120261478U CN 202140516 U CN202140516 U CN 202140516U
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- China
- Prior art keywords
- shaft
- motor
- output
- gear
- electric vehicle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model belongs to the technical field of power transmission of an electric vehicle, aims to solve the problem that a motor can output different vehicle speeds and different torques at the same rotating speed. A transmission of an electric vehicle comprises a box body; a motor is arranged in the box body and is provided with a motor shaft; the motor shaft is in transmission connection with a main shaft; a driving gear is fixed on the main shaft and is in meshing transmission with an output gear sleeved on an output shaft; the output gear can rotate on the output shaft; the output shaft is provided with a driven sleeve; when moving on the output shaft, the driven sleeve can be connected with the output gear to drive the output shaft to rotate together; and the driven sleeve is provided with a shifting fork which is connected with a regulating rod that drives the driven sleeve to slide on the output shaft and is in connection transmission with the output gear.
Description
Technical field
The utility model belongs to electric motor car power transmission technical field.
Background technique
The driving power of common electric motor car mainly through regulating the electric current and voltage of input motor, changes rotating speed of motor and carries out speed change.When but motor was adjusted to low-speed running, the power of its output and moment of torsion are corresponding to diminish, and made electric motor car unable in the upward slope process, and the motor feels hot in the electric current amplification during upward slope, and motor and control system are burnt easily.
The model utility content
For the purpose that solves above-mentioned not enough the utility model is to provide a kind of simple in structure; Volume is little, obtain simultaneously motor same rotational speed under can obtain the different speed of a motor vehicle and different moments of torsion; Motor had the gear shift speed governing make motor power performance be effectively played; Thereby make efficiency of motor reach the higher effect that reaches energy saving; Can just can reach big torsion by little electric current when going up a slope through gear shift in addition, thereby motor protection motor that has been difficult for heating and control system can not burnt, can regulate the electric vehicle transmission of realization multi-stage mechanical shift.
For realizing the purpose of the utility model, first kind of technological scheme of the utility model is: a kind of electric vehicle transmission comprises casing; Described casing is provided with motor; Motor is provided with motor shaft, and motor shaft connects with spindle, is fixed with driving gear on the described main shaft; Driving gear and the output gear engagement driving that is enclosed within on the output wheel shaft, described output gear can rotate on output shaft; Described output wheel shaft is provided with driven cover, and driven being enclosed within can connect output gear and drive the output wheel shaft and rotate together when moving on the output wheel shaft; Described driven putting is connected with adjustable lever.
Described adjustable lever is connected with electromagnet.
Described adjustable lever is connected with shift fork, and described shift fork is stuck in driven putting.
Be provided with unilateral bearing between described motor shaft and the rotor body.
For realizing the same purpose of the utility model, second kind of technological scheme of the utility model is: a kind of electric vehicle transmission comprises casing; Described casing is provided with motor; Motor is provided with motor shaft, and motor shaft connects with spindle, and described main shaft is provided with plural driving gear; Driving gear and the output gear engagement driving that is fixed on the output wheel shaft, described driving gear can rotate on main shaft; Described main shaft is provided with initiatively cover, initiatively is enclosed within can connect driving gear when mobile on the main shaft and main shaft rotates together; Described active puts and is connected with adjustable lever.
Described adjustable lever is connected with electromagnet.
Described adjustable lever is connected with shift fork, and described shift fork is stuck in initiatively and puts.
Be provided with unilateral bearing between described motor shaft and the rotor body.
Description of drawings
Fig. 1 is a sectional structure chart after the assembling of first kind of mode of execution of the utility model electric vehicle transmission;
Fig. 2 is for exporting the assembling stereochemical structure exploded view of wheel shaft, shift fork, driven cover, output gear, driving gear, main shaft among Fig. 1;
Fig. 3 is a sectional structure chart after the assembling of second kind of mode of execution of the utility model electric vehicle transmission;
Fig. 4 is the assembling stereochemical structure exploded view for the shift fork among Fig. 3, active cover, driving gear, main shaft.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model electric vehicle transmission is done further to detail.
Shown in figure; The utility model electric vehicle transmission comprises casing 1, chain stay 1A, initiatively overlaps 2, motor shaft 3, generator shaft gear 4, gap bridge tooth 5, gap bridge tooth axle 6, main shaft input tooth 7, main shaft 8, driving gear 9, output gear 10, driven cover 11, dog 12, hole 13, shift fork 14, adjustable lever 15, unilateral bearing 16, rotor body 19, permanent magnet 20, electromagnet 21, motor 22, brake rocker arm 23, brake shoe 24, output wheel shaft 25, oil sealing 26, bearing 27, power line 28, keyway 29, dowel hole 30.
As Fig. 1 to shown in Figure 2 be first kind of mode of execution of the utility model electric vehicle transmission; Described electric vehicle transmission comprises casing 1; Casing 1 is connected with chain stay 1A, and chain stay 1A is used for entire machine is connected vehicle frame, and wheel is installed on the output wheel shaft 25.
As shown in fig. 1, described output wheel shaft 25 is provided with at least two output gears 10, and output gear 10 can rotate on output wheel shaft 25, and the diameter of each output gear 10 is different.The corresponding driving gear 9 that is fixed with output gear 10 engagement driving on the described main shaft 8.The utility model is provided with two output gears 10 on output wheel shaft 25, output gear 10 is installed on the output wheel shaft 25 through jump ring.
As shown in Figure 2, described output wheel shaft 25 is provided with keyway 29, and driven cover 11 is enclosed within on the keyway 29; Driven cover 11 is provided with dowel hole 30; Driven cover 11 can endwisely slip at output wheel shaft 25, and driven cover 11 two ends are provided with a plurality of dogs 12, and described output gear 10 sidewalls are provided with a plurality of holes 13.When driven cover 11 moves on output wheel shaft 25; The dog 12 that driven cover 11 stretches out inserts in the hole 13 of output gear 10; After dog 12 inserts the hole 13 of output gear 10; This output gear 10 just is connected 25 transmissions of drive output wheel axle with driven cover 11 relative engagings, and other output gear 10 still can rotate around output wheel shaft 25.
After motor 22 energisings were rotated, the generator shaft gear 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, and rotated thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8.2 driving gears 9 on the main shaft 8 rotate thereupon, with the also rotation thereupon of output gear 10 of driving gear 9 engagements.
Under the original state; The dog 12 of driven cover 11 injects in the hole 13 of bottom gear output gear 10 on the output wheel shaft 25; This output gear 10 just combines to drive 25 transmissions of output wheel shaft with driven cover 11, and the output gear 10 of top gear rotates around output wheel shaft 25, and be one grade this moment.
Be connected with shift fork 14 on the described driven cover 11, shift fork 14 is connected with adjustable lever 15, and the outer end that adjustable lever 15 stretches out casing 1 is connected with electromagnet 21, and the electromagnet 21 of the utility model is the function of two-way twitch and two-way maintenance.
After motor 22 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, and rotated thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8.2 driving gears 9 on the main shaft 8 rotate thereupon, with the also rotation thereupon of output gear 10 of driving gear 9 engagements.
During electromagnet 21 energisings adjustable lever 15 and shift fork 14 are come toward output gear 10 suctions of bottom gear; Shift fork 14 pushes driven cover 11 with low speed output gear 10 and is connected; The dog 12 of driven cover 11 injects in the hole 13 of bottom gear output gear 10; This output gear 10 just combines to drive 25 transmissions of output wheel shafts with driven cover 11, and 10 of the output gears of top gear rotate around output wheel shaft 25, and be one grade this moment.
When electromagnet 21 during toward the direction pull of the output gear 10 of top gears; Electromagnet 21 produces magnetic force connecting rod 15 and shift fork 14 suctions is come; Shift fork 14 pushes high speed output gear 10 with driven cover 11; Make the output gear 10 of driven cover 11 disengagement bottom gears, in the hole 13 of the output gear 10 of the dog 12 reeve top gears of driven cover 11 the other ends, the output gear 10 of driven cover 11 and top gear fastens and drives 25 rotations of output wheel shaft; 10 of the output gears of bottom gear rotate around output wheel shaft 25, thereby accomplish the power output of second gear.
Driven cover 11 moves to certain output gear 10 residing position, and the output gear 10 of this position, place is combined with output wheel shaft 25.Through the position that electromagnet 21 comes regulating and controlling bar 15, shift fork 14 and driven cover 11 on output wheel shaft 25, to move, dog 12 is stuck in the hole 13 of certain output gear 10, and then realizes the shift speed governing.
Be provided with unilateral bearing 16 between described rotor body 19 and the motor shaft 3; When the rotating speed of motor shaft 3 during greater than the rotating speed of rotor body 19; Rotor body 19 can not rotate along with the rotation of motor shaft 3, and the rotor body of motor 19 just can passive rotation, and vehicle can be not slack-off because of the influence speed of the magnetic field resistance that receives rotor and stator like this; Vehicle slides the resistance that Shi Buhui receives motor, thus can let vehicle slides fartherly reach energy-conservation effect.
As shown in Figure 3 be second kind of mode of execution of the utility model electric vehicle transmission, be with embodiment's 1 difference that main shaft 8 is provided with and initiatively overlap 2 that initiatively overlap 2 and be connected with shift fork 14 and be connected adjustable lever 15, adjustable lever 15 is connected with electromagnet 21.
As shown in Figure 3, described output wheel shaft 25 is provided with at least two output gears 10, and the diameter of each output gear 10 is different.The corresponding driving gear 9 that is with output gear 10 engagement driving on the described main shaft 8; Two driving gears 9 can rotate on main shaft 8; The utility model is provided with two output gears 10 on output wheel shaft 25, output gear 10 is fixedly mounted on the output wheel shaft 25.
As shown in Figure 4, described main shaft 8 is provided with keyway 29, initiatively overlaps 2 and is enclosed within on the keyway 29; Initiatively overlap 2 and be provided with dowel hole 30; Initiatively overlapping 2 can endwisely slip at main shaft 8, initiatively overlaps 2 two ends and is provided with a plurality of dogs 12, and described driving gear 9 sidewalls are provided with a plurality of holes 13.Initiatively overlap 2 when on main shaft 8, moving; Initiatively overlapping 2 dogs that stretch out 12 inserts in the hole 13 of driving gears 9; Insert the hole 13 of driving gears 9 when dog 12 after, this driving gear 9 just with initiatively overlap 2 and engage relatively and be connected main shaft 8 and rotate together, its its driving gear 9 still can be around main shaft 8 rotations.
Described initiatively overlapping is connected with shift fork 14 on 2, shift fork 14 is connected with adjustable lever 15, and the outer end that adjustable lever 15 stretches out casing 1 is connected with electromagnet 21, and the electromagnet 21 of the utility model is the function of two-way twitch and two-way maintenance.
After motor 22 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, and rotated thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8.On the main shaft 8 initiatively overlap 2 thereupon the rotation.
When electromagnet 21 pushes away adjustable lever 15 and shift fork 14 toward the direction of the driving gear 9 of bottom gears; Shift fork 14 will initiatively overlap 2 push bottom gear driving gear 9 be connected with it; Make the driving gear 9 that initiatively overlaps 2 disengagement top gears; The dog 12 that initiatively overlaps 2 the other ends injects in the hole 13 of driving gear 9 of bottom gears, overlaps initiatively that 2 driving gears 9 with bottom gear fasten and main shaft 8 rotates, output gear 10 rotations of the driving gear 9 engagement bottom gears of bottom gear; The output gear 10 of bottom gear connects output wheel shaft 25 and rotates, thereby accomplishes one grade power output.
Initiatively overlap 2 and move to certain driving gear 9 residing position, the driving gear 9 of this position, place is combined with main shaft 8.Control shift fork 14 and initiatively overlap 2 positions of on main shaft 8, moving through electromagnet 21, dog 12 is stuck in the hole 13 of certain driving gear 9, and then realizes the shift speed governing.Be provided with unilateral bearing 16 between described rotor body 19 and the motor shaft 3, unilateral bearing 16 can only unidirectionally relatively rotate, a suitable ratchet snap-in structure.
Be provided with unilateral bearing 16 between described rotor body 19 and the motor shaft 3; When the rotating speed of motor shaft 3 during greater than the rotating speed of rotor body 19; Rotor body 19 can not rotate along with the rotation of motor shaft 3, and the rotor body of motor 19 just can passive rotation, and vehicle can be not slack-off because of the influence speed of the magnetic field resistance that receives rotor and stator like this; Vehicle slides the resistance that Shi Buhui receives motor, thus can let vehicle slides fartherly reach energy-conservation effect.
Described each gear of the utility model also can be belt pulley or sprocket wheel, and engagement driving each other becomes belt or chain transmission, also can reach the technique effect of transmission joint.
Claims (8)
1. electric vehicle transmission; Comprise casing (1), described casing (1) is provided with motor (22), and motor (22) is provided with motor shaft (3); Motor shaft (3) and main shaft (8) transmission joint; Be fixed with driving gear (9) on the described main shaft (8), driving gear (9) and output gear (10) engagement driving that is enclosed within on the output wheel shaft (25), described output gear (10) can be gone up at output wheel shaft (25) and rotate;
It is characterized in that:
Described output wheel shaft (25) is provided with driven cover (11), and driven cover (11) can connect output gear (10) drive output wheel shaft (25) and rotate together when output wheel shaft (25) upward moves;
Be connected with adjustable lever (15) on the described driven cover (11).
2. electric vehicle transmission according to claim 1 is characterized in that: described adjustable lever (15) is connected with electromagnet (21).
3. electric vehicle transmission according to claim 1 is characterized in that: described adjustable lever (15) is connected with shift fork (14), and described shift fork (14) is stuck on the driven cover (11).
4. electric vehicle transmission according to claim 1 is characterized in that: be provided with unilateral bearing (16) between described motor shaft (3) and the rotor body (19).
5. electric vehicle transmission; Comprise casing (1), described casing (1) is provided with motor (2), and motor (2) is provided with motor shaft (3); Motor shaft (3) and main shaft (8) transmission joint; Described main shaft (8) is provided with plural driving gear (9), driving gear (9) and output gear (10) engagement driving that is fixed on the output wheel shaft (25), and described driving gear (9) can be gone up at main shaft (8) and rotate;
It is characterized in that:
Described main shaft (8) is provided with initiatively cover (2), and active cover (2) when main shaft (8) upward moves, can connect driving gear (9) and main shaft (8) rotates together;
Be connected with adjustable lever (15) on the described active cover (2).
6. electric vehicle transmission according to claim 5 is characterized in that: described adjustable lever (15) is connected with electromagnet (21).
7. electric vehicle transmission according to claim 5 is characterized in that: described adjustable lever (15) is connected with shift fork (14), and described shift fork (14) is stuck in initiatively and overlaps on (2).
8. electric vehicle transmission according to claim 5 is characterized in that: be provided with unilateral bearing (16) between described motor shaft (3) and the rotor body (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261478U CN202140516U (en) | 2011-07-11 | 2011-07-11 | Transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261478U CN202140516U (en) | 2011-07-11 | 2011-07-11 | Transmission of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140516U true CN202140516U (en) | 2012-02-08 |
Family
ID=45551574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120261478U Expired - Fee Related CN202140516U (en) | 2011-07-11 | 2011-07-11 | Transmission of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN102758914A (en) * | 2012-07-27 | 2012-10-31 | 孙世广 | Electric gear-shifting speed changing box with no gear-shifting rod |
-
2011
- 2011-07-11 CN CN201120261478U patent/CN202140516U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN102758914A (en) * | 2012-07-27 | 2012-10-31 | 孙世广 | Electric gear-shifting speed changing box with no gear-shifting rod |
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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: 20120208 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |