CN201887599U - Speed changer for electric motor car - Google Patents
Speed changer for electric motor car Download PDFInfo
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- CN201887599U CN201887599U CN2010206807596U CN201020680759U CN201887599U CN 201887599 U CN201887599 U CN 201887599U CN 2010206807596 U CN2010206807596 U CN 2010206807596U CN 201020680759 U CN201020680759 U CN 201020680759U CN 201887599 U CN201887599 U CN 201887599U
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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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Abstract
The utility model belongs to the technical field of power transmission of an electric motor car and achieves the purposes that different speeds and different moments of torsion can be outputted by a motor at the same rotating speed. The speed changer for the electric motor car comprises a box body, wherein the box body is provided with a motor provided with a motor shaft, the motor shaft is connected with a main shaft in a transmission manner, a driving gear is fixed on the main shaft, engaging transmission is formed between a secondary-gear driving gear and an output gear sheathed on an output shaft, and a chute is formed on the main shaft; and when the shaft rotates, an acting sliding part in the chute is connected with the secondary-gear driving gear engaged with the output gear so as to drive the output shaft to rotate, and a first-gear output gear is driven by a first-gear driving gear through a reversing gear so that the output shaft can be driven to rotate.
Description
Technical field
The utility model belongs to particularly rotating variable speed electric motors, particularly transmission drive technology field of electric motor car power transmission technical field.
Background technology
The driving power of existing electric motor car mainly by 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 utility model content
Be to provide a kind of simple in structure for solving above-mentioned not enough the purpose of this utility model; gear-change operation make things convenient for volume little, obtain can obtain under the same rotational speed the different speed of a motor vehicle and different moments of torsion simultaneously; motor had the gear shift speed governing make motor power performance be effectively played; thereby make efficiency of motor reach the higher energy-saving effect that reaches; just can reach big torsion with little electric current when going up a slope through gear shift in addition; protection motor and control system can not burnt thereby guaranteed the difficult heating of motor, can regulate the electric vehicle transmission of realizing the multi-stage mechanical shift.
For realizing the purpose of this utility model, first kind of technical scheme of the present utility model is: a kind of electric vehicle transmission, comprise casing, described casing is provided with motor, motor is provided with motor shaft, and motor shaft connects with spindle drive, is fixed with one grade of driving gear on the described main shaft, one grade of driving gear drives one grade of output gear and output shaft rotation, and described one grade of output gear can rotate on output shaft; Described main shaft is provided with sliding part, main shaft sliding part when certain direction rotation slides to the second gear driving gear with the cooperation downslide moving part of skewed slot and is connected the rotation of drive second gear driving gear with it, rotates together thereby the rotation of described second gear driving gear engagement second gear output gear drives output shaft; Can make during described main axis rotation sliding part and second gear driving gear in conjunction with or separate; Described one grade of output gear drives output shaft by one-way clutch and rotates.
Described sliding part is provided with dog, the dog engagement connection of its dog and second gear driving gear when sliding part endwisely slips, and described sliding part rubs mutually with brake pad on being fixed on casing.
For realizing same purpose of the present utility model, second kind of technical scheme of the present utility model is: a kind of electric vehicle transmission, comprise casing, described casing is provided with motor, motor is provided with motor shaft, and motor shaft connects with spindle drive, is fixed with one grade of driving gear on the described main shaft, one grade of driving gear drives one grade of output gear and output shaft rotation, and described one grade of output gear can rotate on output shaft; Be fixed with initiatively piece on the described main shaft, moving member is enclosed within on the main shaft, main shaft moving member and slope groove of piece initiatively when the rotation of certain direction cooperate down moving member to shift to the second gear driving gear and are connected with it and drive the second gear driving gear and rotate, thereby second gear driving gear engagement second gear output gear rotates the rotation of drive output shaft; Can make during described main axis rotation moving member and second gear driving gear in conjunction with or separate; Described one grade of output gear drives output shaft by one-way clutch and rotates.
Described moving member is provided with projection, and the projection engagement connection of its projection and second gear driving gear when moving member moves axially is provided with cut spring between moving member and the second gear driving gear, and described moving member (15) rubs mutually with brake pad on being fixed on casing.
For realizing same purpose of the present utility model, the third technical scheme of the present utility model is: a kind of electric vehicle transmission, comprise casing, described casing is provided with motor, motor is provided with motor shaft, and motor shaft connects with spindle drive, is fixed with one grade of driving gear and second gear driving gear on the described main shaft, one grade of driving gear drives one grade of output gear and output shaft rotation, and described one grade of output gear and second gear output gear can rotate on output shaft; Be fixed with driven member on the described output shaft, moving member is enclosed within on the output shaft, and moving member and the slope groove of one grade of output gear cooperate down moving member to shift to driven member and be connected the rotation of drive output shaft with it during the rotation of one grade of output gear forward direction; Described one grade of output gear can make when rotating moving member and driven member in conjunction with or separate; Described second gear output gear drives output shaft by one-way clutch and rotates.
Described moving member is provided with projection, and the projection engagement connection of its projection and driven member was provided with cut spring between moving member and the driven member when moving member moved to the driven member direction, and described moving member rubs mutually with brake pad on being fixed on casing.
For realizing same purpose of the present utility model, the 4th kind of technical scheme of the present utility model is: a kind of electric vehicle transmission, comprise casing, described casing is provided with motor, motor is provided with motor shaft, motor shaft connects with spindle drive, is fixed with one grade of driving gear on the described main shaft, and one grade of driving gear drives the one grade of output gear and the output shaft that are fixed on output shaft by commutation carrier gear and tumbler gear and rotates; Described main shaft is provided with sliding part, main shaft sliding part when certain direction rotation slides to the second gear driving gear with the cooperation downslide moving part of skewed slot and is connected the rotation of drive second gear driving gear with it, rotates together thereby the rotation of second gear driving gear engagement second gear output gear drives output shaft; Described one grade of driving gear engagement commutation carrier gear drive commutating tooth wheel shaft rotates and rotates by one-way clutch driving tumbler gear, thereby the one grade output gear of tumbler gear engages fixed on output shaft rotates the drive output shaft.
Described sliding part is provided with dog, the dog engagement connection of its dog and second gear driving gear when sliding part endwisely slips, and described sliding part rubs mutually with brake pad on being fixed on casing.
During use, casing is fixed on the vehicle frame, wheel is fixed on the output shaft.After the motor energized, motor rotates counterclockwise, and the motor-driven main shaft rotates, and one grade of driving gear on the main shaft rotates thereupon, power rotates through one grade of output gear of commutation rear drive, finishes one grade power output thereby one grade of output gear drives the output shaft rotation by one-way clutch.The motor-driven main shaft rotates when motor just changes, sliding part slides to second gear driving gear and the rotation of its engagement connection during main axis rotation, the second gear driving gear drives the second gear output gear and output shaft rotates, and this moment, one grade of output gear was contrary around the output shaft rotation, finished the power output of second gear this moment.In conjunction with realizing speed governing, can realize the electric vehicle transmission of two-stage speed change by control motor positive and inverse, gear steps and one-way driving mechanism.
Description of drawings
Fig. 1 is a sectional structure chart after the general assembly of first kind of execution mode of the utility model electric vehicle transmission;
Fig. 2 is the assembling stereochemical structure exploded view of the main shaft input tooth among Fig. 1, one grade of driving gear, second gear driving gear, main shaft, sliding part;
Fig. 3 is the three-dimensional structure diagram of the second gear driving gear of first kind of execution mode of the utility model electric vehicle transmission;
Fig. 4 is one grade of drive connection plane graph of first kind of execution mode of the utility model electric vehicle transmission;
Fig. 5 is the plane structure chart after main shaft, the power shaft tooth of first kind of execution mode of the utility model electric vehicle transmission, one grade of driving gear, second gear driving gear, sliding part, the assembling;
Fig. 6 is a sectional structure chart after the general assembly of second kind of execution mode of the utility model electric vehicle transmission;
Fig. 7 separates three-dimensional structure diagram for main shaft, power shaft tooth, one grade of driving gear, second gear driving gear, cut spring, moving member, the packaged partition of active of second kind of execution mode of the utility model electric vehicle transmission;
Fig. 8 is the planar structure view after the assembling among Fig. 7;
Fig. 9 is the moving member stereochemical structure view among Fig. 8;
Figure 10 is the second gear driving gear three-dimensional structure diagram among Fig. 8;
Figure 11 is a sectional structure chart after the general assembly of the third execution mode of the utility model electric vehicle transmission;
Figure 12 is second gear output gear, one-way driving mechanism, output shaft, driven member, cut spring, the moving member among Figure 11, the solid assembling decomposition chart of one grade of output gear;
Figure 13 is the assembling back plane topology view among Figure 12;
Figure 14 is the moving member stereochemical structure view among Figure 13;
Figure 15 is one grade of drive connection plane graph of the third execution mode of the utility model electric vehicle transmission;
Figure 16 is a sectional structure chart after the general assembly of the 4th kind of execution mode of the utility model electric vehicle transmission;
Figure 17 is the sectional structure chart after tumbler gear, commutating tooth wheel shaft, commutation carrier gear, the one-way clutch of the 4th kind of execution mode of the utility model electric vehicle transmission assembles;
Figure 18 is that one grade of output gear, tumbler gear one-way clutch and the tumbler gear through-drive of the 4th kind of execution mode of the utility model electric vehicle transmission concerns plane graph;
The assembling stereochemical structure exploded view of main shaft among Figure 19 Figure 16 input tooth, one grade of driving gear, second gear driving gear, main shaft, sliding part;
Figure 20 is the three-dimensional structure diagram of the second gear driving gear among Figure 19.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model electric vehicle transmission is described in further detail.
As shown in FIG., the utility model electric vehicle transmission comprises casing 1, chain stay 1A, motor 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, second gear driving gear 9, one grade of driving gear 9A, second gear output gear 10, one grade of output gear 10A, brake pad 11, dog 12, sliding part 13, tumbler gear 14, commutation carrier gear 14A, moving member 15, active piece 16, cut spring 17, slope groove 18, projection 19, skewed slot 20, driven member 21, one-way clutch 22, brake rocker arm 23, brake-shoe 24, output shaft 25, oil sealing 26, bearing 27, power line 28, keyway 29, dowel hole 30, slope 31, ratchet 32, spring 33, internal tooth 34, commutating tooth wheel shaft 35, tilted slotted hole 36.
As Fig. 1 to shown in Figure 5 be first kind of execution mode of the utility model electric vehicle transmission, described electric vehicle transmission comprises casing 1 and the transmission mechanism of being correlated with, casing 1 is connected with chain stay 1A, chain stay 1A is used for entire machine is connected vehicle frame.
After motor 2 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.
As shown in fig. 1, described output shaft 25 is provided with one grade of output gear 10A and second gear output gear 10, second gear output gear 10 is fixed on the output shaft 25, one grade of output gear 10A then is enclosed within on the output shaft 25, the diameter that is provided with 22, two output gears of one-way clutch between one grade of output gear 10A and the output shaft 25 is different with the number of teeth.The corresponding one grade of driving gear 9A that is fixed with one grade of output gear 10A engaged transmission on the described main shaft 8,9 skies of second gear driving gear are enclosed within on the main shaft 8.One grade of transmission speed ratio with second gear is different.
When motor-driven main shaft 8 and one grade of driving gear 9A clockwise rotated, sliding part 13 was released states with second gear driving gear 9 under the effect of skewed slot 20, and the power of main shaft 8 can not be delivered to 9 of second gear driving gears and dally around main shaft.As shown in Figure 4, one grade of driving gear 9A engagement tumbler gear 14 rotates, mesh one grade of output gear 10A forward direction again by tumbler gear 14 and rotate, rotate the power output of finishing one grade thereby one grade of output gear 10A drives output shaft 25 by one-way clutch 22.
As shown in Figure 7, described main shaft 8 is provided with skewed slot 20, and described skewed slot 20 is screw type taper key grooves, is with sliding part 13 on the described skewed slot 20, the centre bore of sliding part 13 is provided with the tilted slotted hole 36 that cooperates with skewed slot 20, and described tilted slotted hole 36 is screw type taper key grooves.
As Fig. 2, shown in 3, the end of described sliding part 13 and second gear driving gear 9 is respectively equipped with dog 12, under the mating reaction of the skewed slot 20 when motor-driven main shaft 8 rotates counterclockwise on the tilted slotted hole 36 of sliding part 13 and the main shaft 8, sliding part 13 is slided to second gear driving gear 9 by brake pad 11 slight resistances commentaries on classics downslide moving part 13 and is connected with it, the dog 12 of the dog 12 of sliding part 13 and second gear driving gear 9 fastens and is connected at this moment, thereby the power of main shaft 8 connects drive second gear driving gear 9 by sliding part 13 to rotate, second gear driving gear 9 engagement second gear output gears 10 rotation of marching forward, second gear output gear 10 drives output shafts 25 and rotates, this moment one grade of output gear 10A under the effect of one-way clutch 22 with output shaft 25 reverse skidding.Thereby finish the power output of second gear.
As Fig. 6 to shown in Figure 10 be second kind of execution mode of the utility model electric vehicle transmission, described electric vehicle transmission comprises casing 1 and the transmission mechanism of being correlated with, casing 1 is connected with chain stay 1A, chain stay 1A is used for entire machine is connected vehicle frame.
After motor 2 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.
When motor-driven main shaft 8 and one grade of driving gear 9A clockwise rotated, moving member 15 was separated states with second gear driving gear 9 under cut spring 17 effects, and the power of main shaft 8 can not be delivered to 9 of second gear driving gears and dally around main shaft.As shown in Figure 4, one grade of driving gear 9A engagement tumbler gear 14 rotates, mesh one grade of output gear 10A forward direction again by tumbler gear 14 and rotate, rotate the power output of finishing one grade thereby one grade of output gear 10A drives output shaft 25 by one-way clutch 22.
As shown in Figure 7, be fixed with initiatively piece 16 on the described main shaft 8, initiatively piece 16 ends are provided with slope groove 18, and moving member 15 is enclosed within on the main shaft 8, and moving member 15 1 ends are provided with slope 31 as shown in Figure 9.
As Fig. 7, shown in 10, the end of described moving member 15 and second gear driving gear 9 is respectively equipped with projection 19, when motor-driven main shaft 8 rotates counterclockwise initiatively under the mating reaction on the slope 31 on the slope groove 18 of piece 16 and the moving member 15, moving member 15 is slided to second gear driving gear 9 by moving member 15 under the brake pad 11 slight resistance commentaries on classics and is connected with it, the projection 19 of the projection 19 of moving member 15 and second gear driving gear 9 fastens and is connected at this moment, thereby moving member 15 connects drive second gear driving gear 9 to rotate, second gear driving gear 9 engagement second gear output gears 10 rotation of marching forward, second gear output gear 10 drives output shafts 25 and rotates, this moment one grade of output gear 10A under the effect of one-way clutch 22 with output shaft 25 reverse skidding.Thereby finish the power output of second gear.
As Figure 11 to shown in Figure 15 be the third execution mode of the utility model electric vehicle transmission, described electric vehicle transmission comprises casing 1 and the transmission mechanism of being correlated with, casing 1 is connected with chain stay 1A, chain stay 1A is used for entire machine is connected vehicle frame.
After motor 2 energisings were rotated, the motor shaft tooth 4 driving gap bridge teeth 5 of motor shaft 3 ends rotated, thereby gap bridge tooth 5 engagement main shaft input teeth 7 rotate drive main shaft 8 and two driving gears rotate.
When motor-driven main shaft 8 and one grade of driving gear 9A and second gear driving gear 9 clockwise rotate, two driving gears drive output gear and rotate, moving member 15 is separated states with driven member 21 under the effect of cut spring 17, this moment, the power of one grade of output gear 10A can not be delivered on the output shaft 25, and one grade of output gear 10A is only around output shaft 25 idle running reverse with it.Second gear driving gear 9 engagement second gear output gears 10 rotate, thereby second gear output gear 10 rotates the power output of finishing second gear by ratchet 32 unidirectional drive output shafts 25.
As shown in Figure 12, described one grade of output gear 10A and moving member 15 skies are enclosed within on the output shaft 25, and one grade of output gear 10A end face is provided with slope groove 18, and described moving member 15 ends are provided with slope 31, and driven member 21 is fixed on the output shaft 25.
As shown in Figure 12, the end of described moving member 15 and driven member 21 is respectively equipped with projection 19, under the mating reaction on the slope 31 when motor-driven main shaft 8 rotates counterclockwise on the slope groove 18 of one grade of output gear 10A and the moving member 15, the pressure moving member 15 that moving member 15 overcomes cut spring 17 is changeed down moving member 15 by brake pad 11 slight resistances and slides to driven member 21 and be connected with it, the projection 19 of the projection 19 of moving member 15 and driven member fastens and is connected at this moment, moving member 15 connects drive driven member 21 and output shaft 25 rotates thereby one grade of output gear 10A drives, one grade of driving gear 9A engagement tumbler gear 14 drives one grade of output gear 10A rotation of marching forward as shown in figure 15, one grade of output gear 10A drives output shaft 25 and rotates, this moment second gear output gear 10 under the effect of unidirectional ratchet 32 with output shaft 25 reverse skidding.Thereby finish one grade power output.
As Figure 16 to shown in Figure 20 be the 4th kind of execution mode of the utility model electric vehicle transmission, described electric vehicle transmission comprises casing 1 and the transmission mechanism of being correlated with, casing 1 is connected with chain stay 1A, chain stay 1A is used for entire machine is connected vehicle frame.
After motor 2 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.
As shown in Figure 16, it is different with the number of teeth to be fixed with the diameter of one grade of output gear 10A and 10, two output gears of second gear output gear on the described output shaft 25.The corresponding one grade of driving gear 9A that is fixed with one grade of output gear 10A engaged transmission on the described main shaft 8,9 skies of second gear driving gear are enclosed within on the main shaft 8.One grade of transmission speed ratio with second gear is different.
When motor-driven main shaft 8 and one grade of driving gear 9A clockwise rotated, at the effect downslide moving part 13 and the second gear driving gear 9 separated states of opening of skewed slot 20, the power of main shaft 8 can not be delivered to 9 of second gear driving gears around main shaft 8 idle running.One grade of driving gear 9A engagement commutation carrier gear 14A rotates, commutation carrier gear 14A drives commutating tooth wheel shaft 35 and rotates, commutating tooth wheel shaft 35 drives tumbler gear 14 by one-way clutch 22 and meshes one grade of output gear 10A forward direction rotation again, rotates the power output of finishing one grade thereby one grade of output gear 10A drives output shaft 25.
As shown in Figure 19, described main shaft 8 is provided with skewed slot 20, and described skewed slot 20 is screw type taper key grooves, is with sliding part 13 on the described skewed slot 20, the centre bore of sliding part 13 is provided with the tilted slotted hole 36 that cooperates with skewed slot 20, and described tilted slotted hole 36 is screw type taper key grooves.
As Figure 19, shown in 20, the end of described sliding part 13 and second gear driving gear 9 is respectively equipped with dog 12, under the mating reaction of the skewed slot 20 when motor-driven main shaft 8 rotates counterclockwise on the tilted slotted hole 36 of sliding part 13 and the main shaft 8, sliding part 13 is slided to second gear driving gear 9 by brake pad 11 slight resistances commentaries on classics downslide moving part 13 and is connected with it, the dog 12 of the dog 12 of sliding part 13 and second gear driving gear 9 fastens and is connected at this moment, thereby the power of main shaft 8 connects drive second gear driving gear 9 by sliding part 13 to rotate, the rotation of marching forward of second gear driving gear 9 engagement output gears 10, second gear output gear 10 drives output shaft 25 and rotates, this moment tumbler gear 14 under the effect of one-way clutch 22 with commutating tooth wheel shaft 35 reverse skidding, the power of one grade of driving gear 9A can not be delivered on the output shaft 25.Thereby finish the power output of second gear.
Its effect of brake pad described in the utility model be axle do not allow when rotating moving member or sliding part at once and then axle rotate, allow moving member or sliding part slide to allow along the slope its smoothly with gear in conjunction with or separate.
Each gear described in the utility model also can be belt pulley or sprocket wheel, and engaged transmission each other becomes belt or chain drive, also can reach the technique effect of driving coupling.
Claims (8)
1. electric vehicle transmission, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, be fixed with one grade of driving gear (9A) on the described main shaft (8), one grade of driving gear (9A) drives one grade of output gear (10A) and output shaft (25) rotates, and described one grade of output gear (10A) can be gone up at output shaft (25) and rotate;
It is characterized in that:
Described main shaft (8) is provided with sliding part (13), main shaft (8) sliding part (13) when certain direction rotation slides to second gear driving gear (9) with the cooperation downslide moving part (13) of skewed slot (20) and is connected drive second gear driving gear (9) rotation with it, and described second gear driving gear (9) meshes second gear output gear (10) thereby rotation drives output shaft (25) rotates together;
Can make during described main axis rotation sliding part (13) and second gear driving gear (9) in conjunction with or separate;
Described one grade of output gear (10A) drives output shaft (25) by one-way clutch (22) and rotates.
2. electric vehicle transmission according to claim 1, it is characterized in that: described sliding part (13) is provided with dog (12), dog (12) engagement connection of sliding part (13) its dog (12) and second gear driving gear (9) when endwisely slipping, described sliding part (13) rubs mutually with brake pad (11) on being fixed on casing (1).
3. electric vehicle transmission, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, be fixed with one grade of driving gear (9A) on the described main shaft (8), one grade of driving gear (9A) drives one grade of output gear (10A) and output shaft (25) rotates, and described one grade of output gear (10A) can be gone up at output shaft (25) and rotate;
It is characterized in that:
Be fixed with initiatively piece (16) on the described main shaft (8), moving member (15) is enclosed within on the main shaft (8), main shaft (8) moving member (15) and slope groove (18) of piece (16) initiatively when the rotation of certain direction cooperate down moving member (15) to shift to second gear driving gear (9) and are connected with it and drive second gear driving gear (9) and rotate, second gear driving gear (9) engagement second gear output gear (10) thus rotate drive output shaft (25) rotation;
Described main shaft (8) rotation the time can make moving member (15) with second gear driving gear (9) combination or separate;
Described one grade of output gear (10A) drives output shaft (25) by one-way clutch (22) and rotates.
4. electric vehicle transmission according to claim 3, it is characterized in that: described moving member (15) is provided with projection (19), projection (19) engagement connection of moving member (15) its projection (19) and second gear driving gear (9) when moving axially, be provided with cut spring (17) between moving member (15) and the second gear driving gear (9), described moving member (15) rubs mutually with brake pad (11) on being fixed on casing (1).
5. electric vehicle transmission, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, be fixed with one grade of driving gear (9A) and second gear driving gear (9) on the described main shaft (8), one grade of driving gear (9A) drives one grade of output gear (10A) and output shaft (25) rotates, and described one grade of output gear (10A) and second gear output gear (10) can be gone up at output shaft (25) and rotate;
It is characterized in that:
Be fixed with driven member (21) on the described output shaft (25), moving member (15) is enclosed within on the output shaft (25), and one grade of output gear (10A) forward direction when rotation moving member (15) and the slope groove (18) of one grade of output gear (10A) cooperate down moving member (15) to shift to driven member (21) and be connected drive output shaft (25) rotation with it;
Described one grade of output gear (10A) can make moving member (15) with driven member (21) combination or separate when rotating;
Described second gear output gear (10) drives output shaft (25) by one-way clutch (22) and rotates.
6. electric vehicle transmission according to claim 5, it is characterized in that: described moving member (15) is provided with projection (19), moving member (15) is to projection (19) engagement connection of driven member (21) its projection (19) and driven member (21) when direction moves, be provided with cut spring (17) between moving member (15) and the driven member (21), described moving member (15) rubs mutually with brake pad (11) on being fixed on casing (1).
7. electric vehicle transmission, comprise casing (1), described casing (1) is provided with motor (2), motor (2) is provided with motor shaft (3), motor shaft (3) and main shaft (8) driving coupling, be fixed with one grade of driving gear (9A) on the described main shaft (8), one grade of driving gear (9A) drives the one grade of output gear (10A) and the output shaft (25) that are fixed on output shaft (25) by commutation carrier gear (14A) and tumbler gear (14) and rotates;
It is characterized in that:
Described main shaft (8) is provided with sliding part (13), main shaft (8) sliding part (13) when certain direction rotation slides to second gear driving gear (9) with the cooperation downslide moving part (13) of skewed slot (20) and is connected drive second gear driving gear (9) rotation with it, and second gear driving gear (9) meshes second gear output gear (10) thereby rotation drives output shaft (25) rotates together;
Described main shaft (8) rotation the time can make sliding part (13) with second gear driving gear (9) combination or separate;
Described one grade of driving gear (9A) engagement commutation carrier gear (14A) drives commutating tooth wheel shaft (35) and rotates and drive tumbler gear (14) by one-way clutch (22) again and rotate, tumbler gear (14) engages fixed on output shaft (25) one grade of output gear (10A) thus rotate and drive output shaft (25).
8. electric vehicle transmission according to claim 7, it is characterized in that: described sliding part (13) is provided with dog (12), dog (12) engagement connection of sliding part (13) its dog (12) and second gear driving gear (9) when endwisely slipping, described sliding part (13) rubs mutually with brake pad (11) on being fixed on casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206807596U CN201887599U (en) | 2010-12-14 | 2010-12-14 | Speed changer for electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206807596U CN201887599U (en) | 2010-12-14 | 2010-12-14 | Speed changer for electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887599U true CN201887599U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206807596U Expired - Fee Related CN201887599U (en) | 2010-12-14 | 2010-12-14 | Speed changer for electric motor car |
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| CN (1) | CN201887599U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN107225953A (en) * | 2016-03-24 | 2017-10-03 | 爱信精机株式会社 | Motor driver |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
| CN116436202A (en) * | 2023-03-22 | 2023-07-14 | 扬州圣迪电动车有限公司 | Magnetomotive power generation device |
-
2010
- 2010-12-14 CN CN2010206807596U patent/CN201887599U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607070A (en) * | 2013-11-29 | 2014-02-26 | 四川阿克拉斯电动车有限公司 | Three-level deceleration brushless motor |
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN107225953A (en) * | 2016-03-24 | 2017-10-03 | 爱信精机株式会社 | Motor driver |
| CN108895127A (en) * | 2018-08-09 | 2018-11-27 | 庄伟雄 | A kind of anti-gear interlocking structure of two grades of speed changes of single motor |
| CN116436202A (en) * | 2023-03-22 | 2023-07-14 | 扬州圣迪电动车有限公司 | Magnetomotive power generation device |
| CN116436202B (en) * | 2023-03-22 | 2024-02-09 | 扬州圣迪电动车有限公司 | Magnetomotive power generation device |
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