CN102384225A - Transmission of electric vehicle - Google Patents
Transmission of electric vehicle Download PDFInfo
- Publication number
- CN102384225A CN102384225A CN2010102812049A CN201010281204A CN102384225A CN 102384225 A CN102384225 A CN 102384225A CN 2010102812049 A CN2010102812049 A CN 2010102812049A CN 201010281204 A CN201010281204 A CN 201010281204A CN 102384225 A CN102384225 A CN 102384225A
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Abstract
The invention belongs to the technical field of power transmission of an electric vehicle, solves the problems of outputting different speeds and different torques at the same rotating speed of a motor, makes running be safer, and relates to a transmission of the electric vehicle, which comprises a box body. The box body is respectively provided with a spindle hole and a wheel shaft output hole; a spindle and a wheel shaft are respectively arranged in the spindle hole and the wheel shaft output hole; the box body is provided with the motor, the motor is provided with a motor shaft, and the motor shaft is provided with motor shaft teeth and is coupled with the spindle in a transmission way; a driven shaft is provided with at least two driven gears, the driven gears can rotate on the driven shaft, and the spindle is fixedly provided with a drive gear engaged with the driven gears; and the driven shaft is provided with a blocker sliding slot, the driven gears are provided with an inner groove, a blocker extending out of the blocker sliding slot is arranged in the shaft hole of the driven shaft and is provided with a guide hole with the same axial line as the driven shaft, and an adjusting rod is arranged in the guide hole and is used for driving the blocker to slide in the shaft hole to be clamped into the inner grooves.
Description
Technical field
The invention belongs to electric motor car power transmission technical field.
Background technique
The prior electric car drives power 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.Notification number 201050582 discloses a kind of electric gear shift(ing), and it comprises casing, and the casing the inside is provided with hollow output shaft; Hollow output shaft is provided with six group loose slots; Group is located in this groove, and this gear group and driven gear are unidirectional transmissions, can only not slide if this mechanism has the resistance of motor to pin down vehicle when the slope; Can cause traffic safety, motor when counter-rotating driven gear can not drive hollow output shaft and rotates to cause and do not have car-backing function in addition.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure; Volume is little, obtain the different speed of a motor vehicle and different moments of torsion under the same rotational speed simultaneously; The magnetic resistance of motor can pin down the wearing and tearing that vehicle reduces brake system and makes driving safer during the slope; Motor when counter-rotating driven gear can drive driven shaft and rotate and can realize the function of moveing backward, and can regulate the electric vehicle transmission of realizing the multi-stage mechanical shift.
For realizing the purpose of invention, a kind of technological scheme of the present invention is a kind of electric vehicle transmission, comprises casing, and described casing is provided with in spindle hole and its hole of wheel shaft delivery outlet and is respectively equipped with main shaft and wheel shaft; Described casing is provided with motor, and motor is provided with motor shaft, and described motor shaft connects with spindle; Driven shaft is provided with at least two driven gears; Driven gear can rotate on driven shaft; Be fixed with the driving gear that meshes with driven gear on the described main shaft, described driven shaft and wheel shaft transmission joint, described driven shaft is provided with the blind sliding-groove; Described driven gear is provided with inner groovy, is provided with in the axis hole of driven shaft to stretch out the outer blind of blind sliding-groove; Be connected with on the described blind and drive blind and in axis hole, slide and snap in the adjustable lever in the inner groovy.
Described driven shaft is provided with positioning hole; Be provided with the steel ball, the spring that withstand on the positioning work piece in the positioning hole, be provided with positioning work piece in the described axis hole, positioning work piece is provided with V-arrangement circular groove and the peak that matches and locate with steel ball; Described group is located on the positioning work piece, and adjustable lever is located in the positioning work piece.
During use, entire machine is fixed on the vehicle frame, wheel is fixed on the wheel shaft.After the motor energized, the driven by motor main shaft rotates, and a plurality of driving gears on the main shaft rotate thereupon, and the driven gear that is engaged with is rotation thereupon also.Regulate the position of blind in axis hole through adjustable lever; Making blind stretch out the outer part of blind sliding-groove snaps in the inner groovy of single driven gear; This driven gear drives driven shaft and rotates; Output gear engagement final stage gear driven wheel shaft on the driven shaft rotates, and this moment, remaining driven gear rotated around driven shaft.Through driving gear and the driven gear that many group sizes have nothing in common with each other is set; Regulate the position of blind in axis hole through adjustable lever again; Make the pairing driven gear of blind combine with driven shaft to realize speed governing, can realize that multi-change speed rear driving final stage gear driven wheel shaft rotates.
Description of drawings
Fig. 1 is the solid assembling decomposition chart of first kind of mode of execution of electric vehicle transmission of the present invention;
Fig. 2 is sectional structure chart after the assembling of first kind of mode of execution of electric vehicle transmission of the present invention;
Fig. 3 is jump ring, main shaft, driving gear, driven gear, blind, positioning work piece, steel ball, spring, the adjustable lever among Fig. 1, Fig. 2, the solid assembling decomposition chart of driven shaft;
Fig. 4 is the solid assembling decomposition chart of second kind of mode of execution of electric vehicle transmission of the present invention;
Fig. 5 is the sectional drawing after the assembling among Fig. 4;
Fig. 6 is jump ring, main shaft, driving gear, driven gear, blind, boss first damping spring, second damping spring, cushion collar, the adjustable lever among Fig. 4, Fig. 5, the solid assembling decomposition chart of driven shaft;
Fig. 7 is the adjustable lever topology view among Fig. 4;
Fig. 8 is the three-dimensional structure diagram of the inner spiral hole gear-box among Fig. 4;
Fig. 9 is the cushion collar three-dimensional structure diagram among Fig. 6;
Figure 10 is the inner spiral hole gear among Fig. 4;
Figure 11 is hatching of the present invention tangential meaning diagrammatic sketch;
Radial section figure when Figure 12 leaves inner groovy for blind of the present invention;
The radial section figure of Figure 13 during for blind card people inner groovy of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of electric vehicle transmission of the present invention is done further to detail.
Shown in figure; Electric vehicle transmission of the present invention comprises casing 1, main shaft 2, driving gear 3, driven gear 4, driven shaft 5, axis hole 6, blind 7, positioning work piece 8, pilot hole 9, V-arrangement ring shaped slot 10, output gear 12, not level gear 13, positioning hole 14, steel ball 15, spring 16, peak 17, vehicle frame attachment hole 18, back-up ring 19, back-up ring 20, motor shaft 21, motor shaft tooth 22, elementary reduction gear 23, spindle hole 24, driven axis hole 25, motor 26, wheel shaft 27, oil sealing 28, wheel shaft delivery outlet 29, bearing 30, adjustable lever 31, lever 32, lever dolly 33, controlling rope 34, blind sliding-groove 35, annular neutral 36, jack shaft 37, countershaft-gear 38, intermediate shaft hole 39, power line 40, boss 41, inner groovy 42, jump ring 43, cushion collar 44, second damping spring 45, first damping spring 46, back-up ring 47, back-up ring 48, inner spiral hole gear 49, inner spiral hole gear-box 50, stepper motor 51, guide chute 52, the directed piece 53 of guide chute, spiral hole 54, screw mandrel 55, inner convex platform 56, circlip groove 57, circlip groove 58, step 59, wheel hub mounting bracket 60, outer lug boss 61.
Be first kind of mode of execution of electric vehicle transmission of the present invention like Fig. 1, Fig. 2, Fig. 3, Figure 11, Figure 12 and shown in Figure 13; Described electric vehicle transmission comprises casing 1; Casing 1 is provided with vehicle frame attachment hole 18, and vehicle frame attachment hole 18 is used for entire machine is fixed on vehicle frame.Be respectively equipped with spindle hole 24 and driven axis hole 25, wheel shaft delivery outlet 29 on described casing 1 madial wall, be respectively equipped with bearing 30 in the described hole, be respectively equipped with main shaft 2, driven shaft 5, wheel shaft 27 in described bearing 30 endoporus.
Like Fig. 1,2, shown in 3, described driven shaft 5 is provided with at least two driven gears 4, and driven gear 4 can rotate on driven shaft 5, and the diameter of each driven gear 4 is different.The corresponding driving gear 3 that is fixed with driven gear 4 engagement driving on the described main shaft 2.The present invention is provided with three driven gears 4 on driven shaft 5, driven gear 4 is installed on the driven shaft 5 through jump ring 43, and the diameter of each driven gear 4 on the driven shaft 5 is different.
Described driven shaft 5 is provided with blind sliding-groove 35, blind sliding-groove 35 grooves to the parallel to an axis of driven shaft 5, the blind sliding-groove 35 of present embodiment is four, each blind sliding-groove 35 is parallel to each other, and is evenly distributed on the sidewall of driven shaft 5.Described driven gear 4 is provided with inner groovy 42, and the number of inner groovy 42 is identical with the number of blind sliding-groove 35, also is the inboard that is evenly distributed on driven gear 4, and the position is also corresponding each other with the position of blind loose slot 35.Be provided with blind 7 in the axis hole 6 of driven shaft 5, blind 7 is a cross shape, and stretch out four ends of blind 7 crosses also can be in inner groovy 42 outside the blind sliding-groove 35.Described blind 7 is provided with the pilot hole 9 that is in same axis with driven shaft 5, is provided with in the described pilot hole 9 to drive the adjustable lever 31 that blind 7 moves in axis hole 9.When blind 7 moves in axis hole 6; Blind 7 stretches out blind sliding-groove 35 outer parts and can snap in one by one in the inner groovy 42 of driven gear 4; After blind 7 snaps in the inner groovy 42 of driven gear 4; Just 5 relative engagings are connected transmission to this driven gear 4 with driven shaft, and other driven gear 4 still can rotate around driven shaft 5.
After motor 26 energisings were rotated, the motor shaft tooth 22 of motor shaft 21 ends drove elementary reduction gear 23 and rotates, and rotated thereby drive main shaft 2.Three driving gears 3 of main shaft 2 rotate thereupon, with the also rotation thereupon of driven gear 4 of driving gear 3 engagements.
Under the original state; Blinds 7 in the axis hole 6 of driven shaft 5 stretch out blind sliding-groove 35 outer parts and snap in the inner groovy 42 of the maximum driven gear 4 of diameter, and this driven gear 4 just combines transmissions with driven shaft 5, during driven gear 4 rotations; Driving driven shaft 5 rotates; The output gear 12 engagement final stage gears 13 of driven shaft 5 rotate, and the wheel shaft 27 that is fixed on final stage gear 13 and then rotates, and be one grade this moment.
Described adjustable lever 31 outer ends are connected with lever 32; Lever 32 lever 32 under the pulling of two controlling ropes 34 can about stir; Lever 32 1 ends connect controlling rope 34, and lever 32 is actively installed on the lever dolly 33, pulling controlling rope 34; Lever 32 is stirred adjustable lever 31 positioning work pieces 8 and blind 7 one and is coexisted and axially transfer in the axis hole 6 or dial in mobile but lever 32 connects one section tilting of adjustable levers 31 under the point action on the lever dolly 33.
Regulate the position in axis hole 6 of blind 7 through stirring adjustable lever 31; Making blind 7 stretch out the outer part of blind sliding-groove 35 throws off with the inner groovy 42 of the driven gear 4 of inner segment; Fasten with driven gear 4 in the inner groovy 42 of the driven gear 4 in the middle of blind 7 moves to again, the driven gear 4 in the middle of this moment combines transmission with driven shaft 5.Because driven gear 4 diameters of diameter than one grade of middle driven gear 4 are little, the rotating speed also driven gear than a grade 4 is fast, and this moment, driven shaft 5 just drove rotation by the driven gear 4 of centre, and be second gear this moment.
In like manner, adjusting blind 7 slides in the inner groovy 42 of minimum driven gear 4, and blind 7 snaps in the minimum driven gear 4 of driven shaft and engages with it, and driven shaft 5 is just driven by this driven gear 4, and be third gear this moment.
Avoid blocking when preventing that blind 7 gear shift from moving two adjacent driven gears 4 cause stuck, can be with the setting that keeps at a certain distance away of each driven gear 4, distance at interval should be at least be stretched out the outer part of blind sliding-groove 35 greater than blind 7.
Regulate blind 7 through adjustable lever 31 and control the interlock between driven gear 4 and the driven shaft 5, can realize the three-step gear shift adjusting, more driving gear 3 is set just can realizes the multi-change speed adjusting with driven gear 4.
Be provided with positioning work piece 8 in the pilot hole 9 of described blind 7, positioning work piece 8 is enclosed within on the adjustable lever 31.Described positioning work piece 8 is provided with V-arrangement circular groove 10, and V-arrangement circular groove 10 is a plurality of for what link to each other, and the interval between adjacent V-arrangement circular groove 10 bottoms is identical with the distance of the inner groovy 42 of adjacent two driven gears 4.Be arranged with two positioning holes 14 on the inwall of described driven shaft 5, be provided with steel ball 15 in the positioning hole 14 and act on and make the spring 16 of its roof pressure in V-arrangement circular groove 10 on the steel ball 15.When adjustable lever 31 is regulated the position in axis hole 6 of blinds 7; V-arrangement circular groove 10 matches with steel ball 15, and when positioning work piece 8 when axis hole 6 moves when as long as steel ball 15 is crossed at peak 17, steel ball 15 is in that the auxiliary positioning work piece 8 of passing accurately gets in the inner groovies 42 with blind 7 along the slope of V-arrangement circular groove 10 under the pressure of spring; Blind 7 positioning actions are played in V-arrangement circular groove and steel ball 15 cooperations; Blind 7 can snap onto in the inner groovy 42 exactly, can not produce off-set phenomenon, the accuracy good of shift.
Like Fig. 4,5,6, shown in 7, described adjustable lever 31 extended end from casing 1 hole is provided with screw mandrel 55, the parallel to an axis of the axial and axis hole 6 of screw mandrel 55.Described screw mandrel 55 is provided with in one plane the inner spiral hole gear 49 that rotates, and the set-up mode of described inner spiral hole gear 49 is to be located at inner spiral hole gear-box 50 on the casing 1 described, and inner spiral hole gear 49 rotates between inner bolt hole gear-box 50.Described screw mandrel 55 is located in the spiral hole 54 of inner spiral hole gear 49.Inner spiral hole gear 49 be fixed on stepper motor 51 transmission joint on the inner spiral hole gear-box 50.Described screw mandrel 55 is provided with axial guide chute 52, and described inner spiral hole gear-box 50 is provided with the directed piece 53 of the chute that stretches in the guide chute 52.
When the output shaft transmission inner spiral hole gear 49 of stepper motor 51 rotates; Guide chute 52 matches with the directed piece 53 of chute can prevent that screw mandrel 55 and inner spiral hole gear 49 from rotating together; Under the cooperation of the screw of screw thread on the screw mandrel 55 and inner spiral hole gear 49, it is axially mobile in axis hole 6 that described screw mandrel 55 interlock adjustable levers 31 just can promote or spur blind 7 like this.
Blind 7 moves to certain driven gear 4 residing position, and the driven gear 4 of this position, place is combined with driven shaft 5.Through the number of turns of control step motor 51 rotations, thereby the distance that regulating and controlling bar 31 and blind 7 move in axis hole 6 is stuck in the inner groovy 42 of certain driven gear 4, and then realizes the shift speed governing.
Described adjustable lever 31 is movably arranged in the pilot hole 9, can on adjustable lever 31, slide.Described adjustable lever 31 is provided with step 59 and back-up ring 47 in the both sides of blind 7, cushion collar 44 can be movable between step 59 and back-up ring 47.Another of adjustable lever 31 is provided with adjustable lever circlip groove 58, and the jump ring that back-up ring 47 is arranged on circlip groove 58 blocks, and the cushion collar 44 and second damping spring 46 just can be installed on the adjustable lever 31 easily like this.
When adjustable lever 31 when the outer extreme direction of axis hole 6 draws because driven gear 4 is moving in not stall always, blind 7 can not in time snap in the inner groovy 42 apace, this moment, first damping spring 46 was compressed.When driven gear 4 rotated up to inner groovy 42 positions that corresponding blind 7 stretches out the part blind sliding-groove 35 outside, first damping spring 46 oppressed cushion collar 44 and blind 7 that it is snapped in the inner groovy 42, and what can prevent adjustable lever 31 like this reaches the controlling mechanism dieback.
Be movably equipped with cushion collar 44 in the pilot hole 9 of described blind 7, blind 7 can rotate around cushion collar 44, also can endwisely slip along cushion collar 44.Adjustable lever 31 is actively installed in the cushion collar 44, and cushion collar 44 can rotate around adjustable lever 31, also can endwisely slip along adjustable lever 31.Described cushion collar 44 is provided with outward extending back-up ring 48 in the both sides of blind 7 can be movable between back-up ring 48 and outer lug boss 61 with step 61, the second damping springs 45 and blind 7.The opposite side of cushion collar 44 is provided with back-up ring mounting groove 57, is installed in the back-up ring 48 in the cushion collar back-up ring mounting groove 57, and the blind 7 and second damping spring 45 just can be installed on the cushion collar 44 easily like this, and cushion collar 44 1 ends withstand on the step 59 of adjustable lever 31; When adjustable lever 31 when the interior extreme direction of axis hole 6 pushes, second damping spring 45 can play buffer function, prevents mechanism's dieback of adjustable lever.
As Fig. 2,3,5,6, shown in, the inboard of described driven gear 4 be provided with the annular neutral 36 of can ccontaining blind 7 stretching out the outer part of blind loose slot 35, and meanwhile the annular neutral 36 of each driven gear 4 be located at.Annular neutral 36 is a ring-shaped step, step width and stretch out the width and the length of the part of group sliding-groove 35 highly at least greater than group 7.When switching between the inner groovy 42 of blind 7 at two adjacent driven gears 4; Blind 7 can fall in the annular neutral 36; Can not snap in simultaneously in the inner groovy 42 of two adjacent driven gears 4, can not cause adjacent driven gear 4 stuck, and each driven gear 4 just can be next to the shin near setting; Thereby reduce the length of driven shaft 5, be equivalent to dwindle the volume of gear.
Each gear of the present invention 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 (7)
1. an electric vehicle transmission comprises casing (1); Described casing (1) is provided with in spindle hole (24) and its hole of wheel shaft delivery outlet (29) and is respectively equipped with main shaft (2) and wheel shaft (27);
Described casing (1) is provided with motor (26), and motor (26) is provided with motor shaft (21), described motor shaft (21) and main shaft (2) transmission joint;
Driven shaft (5) is provided with at least two driven gears (4), and driven gear (4) can be gone up at driven shaft (5) and rotate, and is fixed with the driving gear (3) that meshes with driven gear (4) on the described main shaft (2), and described driven shaft (5) is in transmission connection with wheel shaft (27);
It is characterized in that:
Described driven shaft (5) is provided with blind sliding-groove (35), and described driven gear (4) is provided with inner groovy (42), is provided with in the axis hole (6) of driven shaft (5) to stretch out the outer blind (7) of blind sliding-groove (35);
Be connected with on the described blind (7) and drive blind (7) and in axis hole (6), slide and snap in the adjustable lever (31) in the inner groovy (42).
2. electric vehicle transmission according to claim 1; It is characterized in that: described driven shaft (5) is provided with positioning hole (14); Be provided with the steel ball (15) and the spring (16) that withstand on the positioning work piece (8) in the positioning hole (14), be provided with positioning work piece (8) in the described axis hole (6), positioning work piece (8) is provided with the V-arrangement circular groove (10) that matches and locate with steel ball (15); Described blind (7) is located on the positioning work piece (8), and adjustable lever (31) is located in the positioning work piece (8).
3. electric vehicle transmission according to claim 2 is characterized in that: the end that described adjustable lever (31) extends casing (1) is connected with the lever (32) of tilting, and lever (32) is located on the lever dolly (33).
4. electric vehicle transmission according to claim 1; It is characterized in that: be movably equipped with cushion collar (44) in described adjustable lever (31) and the pilot hole (9); Cushion collar (44) two ends are respectively equipped with boss (61) and back-up ring 48, are provided with movable first damping spring (45) and blind (7) between boss (61) and the back-up ring (48).
5. electric vehicle transmission according to claim 4; It is characterized in that: described adjustable lever (31) is provided with the described cushion collar of step (59) (44) and is located between step (59) and the back-up ring (47); Adjustable lever (31) is actively installed in the cushion collar (44); The inwall of cushion collar (44) is provided with the step (56) in the cushion collar that extends internally, and second damping spring (46) withstands on adjustable lever (31) withstands on the step (59) of adjustable lever (31) cushion collar (44) between the step (56) in inner back-up ring (47) of axis hole (6) and cushion collar.
6. electric vehicle transmission according to claim 4; It is characterized in that: the end that described adjustable lever (31) extends casing (1) is provided with screw mandrel (55) and guiding groove (52); Cooperate with guiding groove (52) and to be provided with the directed piece (53) of guide chute; Screw mandrel (55) is provided with the inner spiral hole gear (49) that is mated, and casing (1) is provided with the stepper motor (51) that is in transmission connection with inner spiral hole gear (49).
7. want 1,2,3 described electric vehicle transmissions according to right, it is characterized in that: described driven gear (4) is one side inboard being provided with when can ccontaining blind (7) skidding off inner groovy (42) gear shift in hole avoids blind (7) to block the annular neutral (36) of two driven gears (4) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102812049A CN102384225A (en) | 2010-09-01 | 2010-09-01 | Transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102812049A CN102384225A (en) | 2010-09-01 | 2010-09-01 | Transmission of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102384225A true CN102384225A (en) | 2012-03-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102812049A Pending CN102384225A (en) | 2010-09-01 | 2010-09-01 | Transmission of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102384225A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155642A1 (en) * | 2012-04-17 | 2013-10-24 | Li Hepeng | Semi-automatic relay gearbox |
-
2010
- 2010-09-01 CN CN2010102812049A patent/CN102384225A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155642A1 (en) * | 2012-04-17 | 2013-10-24 | Li Hepeng | Semi-automatic relay gearbox |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120321 |