CN202756548U - Electric vehicle manual variable speed drive assembly - Google Patents

Electric vehicle manual variable speed drive assembly Download PDF

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Publication number
CN202756548U
CN202756548U CN 201220355082 CN201220355082U CN202756548U CN 202756548 U CN202756548 U CN 202756548U CN 201220355082 CN201220355082 CN 201220355082 CN 201220355082 U CN201220355082 U CN 201220355082U CN 202756548 U CN202756548 U CN 202756548U
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CN
China
Prior art keywords
gear
transmission
fast
slow
shaft
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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
Application number
CN 201220355082
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Chinese (zh)
Inventor
蒋辉
王吉龙
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Chongqing Longwang Electromechanical Co Ltd
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Chongqing Longwang Electromechanical Co Ltd
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Priority to CN 201220355082 priority Critical patent/CN202756548U/en
Application granted granted Critical
Publication of CN202756548U publication Critical patent/CN202756548U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses an electric vehicle manual variable speed drive assembly which comprises a gearbox and a motor inputting power to the gearbox, wherein the gearbox is a manual gear shifting gearbox which at least has two gears. According to the electric vehicle manual variable speed drive assembly, a gearbox of an electric vehicle is turned into a manual gear shifting structure, a driver can autonomously shift the gear according to traveling road conditions, in climbing, a low gear is used to achieve large-torque output, on the flat ground, a high gear is used to achieve high-speed traveling, and power output of the electric vehicle can be reasonably allocated on the flat ground and in the climbing. Compared with the prior art, power consumption in the climbing is reduced, electromotor power is fully utilized on the flat ground, energy conservation and environment protection are achieved, and meanwhile using cost is reduced; and in addition, compared with an automatic gearbox, the electric vehicle manual variable speed drive assembly has the advantages of being direct in operation, low in cost and small in size, is applied to light and energy-saving electric vehicles, and is especially practical for affordable three-wheeled electric vehicles.

Description

The electric motor car hand gear drives assembly
Technical field
The utility model relates to a kind of automotive component, and particularly a kind of electric motor car hand gear drives assembly.
Background technique
Electric motor car (two-wheeled, three-wheel and electric vehicle) travels take vehicle-mounted power accumulator as the motivational drive electric vehicle, because that electric motor car has energy-saving and environmental protection is light, and cost of use is lower, more and more comes into one's own.
Electric motor car generally comprises power supply, motor, speed changer, walking assembly and control system, because the operation characteristic of motor, the speed changer of electric motor car does not generally adopt a grade speed change, directly comes regulation speed by the regulating and controlling motor speed; And for the larger uphill way of output torque, utilize existing single speed changer structure, can only increase the purpose that electric weight output reaches climbing, then can cause the more waste of electric weight, and, because the more level land of considering of speed changer structure travels, thereby, increase electric weight output unsatisfactory for the effect that climbing reaches, even sometimes the motor rotation blockage phenomenon can occur.In the prior art, more studied of the automatic gear-shifting of electric motor car, but owing to considering the energy-conserving and environment-protective of electric motor car and light requirement, structurally need accept or reject, thereby be applied to put into practice less, and cost is higher, particularly can cause integral vehicle cost to improve for economic and practical electro-tricycle etc. more.
Therefore, need to improve existing electric vehicle transmission, make electric motor car rational allocation power output when level land and climbing, compared with prior art, the power consumption when reducing to climb takes full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost.
The model utility content
In view of this, the utility model provides a kind of electric motor car hand gear to drive assembly, make electric motor car rational allocation power output when level land and climbing, compared with prior art, power consumption when reducing to climb, take full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost.
Electric motor car hand gear of the present utility model drives assembly, comprises speed changer and power is inputted the motor of speed changer, and described speed changer is the speed changer of at least two grades hand shift.
Further, described speed changer is two speed transmission, the engage a gear coupling that comprises fast speed transmission, slow speed transmission and be used for power is switched between slow speed transmission and fast speed transmission;
Further, also comprise the transmission shaft that cooperates for the clutch end transmission of motor, described fast speed transmission comprise fast shelves driving gear and with the fast shelves driven gear of fast shelves driving gear engagement driving, slow speed transmission comprise slow shelves driving gear and with the slow shelves driven gear of slow shelves driving gear engagement driving, described fast shelves driving gear and slow shelves driving gear are rotatably assorted respectively and are coated at transmission shaft, described engage a gear coupling mode with the circumferencial direction transmission that can endwisely slip between fast shelves driving gear and slow shelves driving gear is coated at transmission shaft, and described engage a gear coupling can engage transmission with fast shelves driving gear or slow shelves driving gear respectively;
Further, also comprise differential mechanism, described fast shelves driven gear and slow shelves driven gear all cooperate with the power intake transmission of differential mechanism;
Further, described speed changer also comprises case of transmission, described transmission shaft to be can being arranged at case of transmission around the mode that self axis rotates, and described motor is positioned at case of transmission external stability and is connected in case of transmission and its rotor shaft and stretches into case of transmission as clutch end and cooperate with transmission shaft driven;
Further, described engage a gear coupling is provided with for driving its gear shift driven unit that endwisely slips and finish gear shift, and described shifter assemblies comprises the shift fork that cooperates at axial restraint with the engage a gear coupling, shift fork is applied that the pretension axial force makes holddown spring that the engage a gear coupling engages with fast grade driving gear and for the manual force part that shift fork is applied with the pulling force of the pretension axial force opposite direction of holddown spring;
Further, be parallel to transmission shaft and be provided with in axial sliding declutch shift shaft, described shift fork one end is positioned at the annular fork slot of engage a gear coupling, and the other end is fixed in declutch shift shaft, and the manual force part is the manual drag-line that is connected in declutch shift shaft and can applies to it axial force; Described holddown spring is coated at declutch shift shaft and an end and withstands the shift fork the other end and withstand case of transmission;
Further, described differential mechanism is installed on case of transmission, fast shelves driven gear and slow shelves driven gear also are respectively in the left and right sides of differential mechanism and all cooperate with the differential casing transmission of differential mechanism, and fast shelves driven gear and a slow shelves driven gear are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of case of transmission, and the power output axle shaft of the left and right sides sun gear of differential mechanism respectively corresponding being rotatably assorted is placed in the central axle sleeve of fast shelves driven gear and slow shelves driven gear in coaxial;
Further, cooperate by the transmission of gear engagement pair between the rotor shaft of described motor and the transmission shaft.
The beneficial effects of the utility model: electric motor car hand gear of the present utility model drives assembly, the speed changer of electric motor car is set to manual shift structure, the driver can be according to the autonomous shift of the road conditions of travelling, reach high pulling torque output with bottom gear during climbing, realize running at high speed with top gear during the level land, make electric motor car rational allocation power output when level land and climbing, compared with prior art, power consumption when reducing to climb, take full advantage of motor power during the level land, when reaching energy-conserving and environment-protective, reduce user cost; And the utility model is compared with automatic transmission, has to control the characteristics direct, that cost is low, volume is little, is applicable to light, energy-conservation electric motor car, and particularly the three-wheeled electric vehicle for economic and practical type is comparatively practical.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that Fig. 1 is along A-A to sectional view.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is that Fig. 1 is along A-A to sectional view, as shown in the figure: the electric motor car hand gear of the present embodiment drives assembly, comprises speed changer and power is inputted the motor 1 of speed changer, and described speed changer is the speed changer of at least two grades hand shift; Manual speed changer can adopt the manual transmission of any structure of prior art, manual shift herein only refers to the structural type of speed changer, be not limited to hand and drive gear shift, also comprise by pin and drive the structure of carrying out gear shift, all can realize according to the purpose of road conditions shift, not repeat them here; The structural type that motor is inputted speed changer with power can be existing any mechanical transmission structure, does not all affect the purpose of this utility model and realizes.
In the present embodiment, described speed changer is two speed transmission, the engage a gear coupling that comprises fast speed transmission, slow speed transmission and be used for power is switched between slow speed transmission and fast speed transmission; The structure of carrying out manual shift by manual drives engage a gear coupling between slow speed transmission and fast speed transmission can adopt existing manual transmission structure, namely stirs the engage a gear coupling by shift fork and carries out gear switch; The engage a gear coupling can adopt inertia synchronizer commonly used, also can adopt integral type synchronous slide engage a gear structure, and a kind of integral type external gear structure can be finished and the engaging of slow speed transmission and fast speed transmission in axial sliding simultaneously.
In the present embodiment, also comprise the transmission shaft 9 that cooperates for the clutch end transmission of motor 1, described fast speed transmission comprise fast shelves driving gear 8 and with the fast shelves driven gear 10 of fast shelves driving gear 8 engagement driving, slow speed transmission comprise slow shelves driving gear 5 and with the slow shelves driven gear 15 of slow shelves driving gear 5 engagement driving, described fast shelves driving gear 8 and slow shelves driving gear 5 are rotatably assorted respectively and are coated at transmission shaft 9, described engage a gear coupling 7 mode with the circumferencial direction transmission that can endwisely slip between fast shelves driving gear 8 and slow shelves driving gear 5 is coated at transmission shaft 9, and described engage a gear coupling 7 can engage transmission with fast shelves driving gear 8 or slow shelves driving gear 5 respectively; As shown in the figure, engage a gear coupling 7 is between fast shelves driving gear 8 and slow shelves driving gear 5, the engage a gear coupling is provided with external tooth, fast shelves driving gear 8 and slow shelves driving gear 5 be respectively equipped with can with the internal tooth of this external tooth engagement, engage a gear coupling 7 is neutral position when the centre, and axially slip is then finished and the engaging and transmission of fast shelves driving gear 8 or slow shelves driving gear 5 under external force drives; Certainly, soldered tooth and juncture that engage a gear coupling 7, fast shelves driving gear 8 and slow shelves driving gear 5 are provided with necessary joint transmission all belong to prior art, do not repeat them here; The structure realization of employing engage a gear coupling 7, fast shelves driving gear 8 and slow shelves driving gear 5 is shifted, simple and compact for structure, and fabricating cost is low, be applicable to light electric motor car, be beneficial to the relative reduce integral vehicle cost, and compare with existing electric motor car, cost there is no more increase.
In the present embodiment, also comprise differential mechanism, described fast shelves driven gear 10 and slow shelves driven gear 15 all cooperate with the power intake transmission of differential mechanism; Differential mechanism is set, so that the utility model can directly apply to three-wheeled electric vehicle and four-wheel electric motor car, has preferably integrated performance.
In the present embodiment, described speed changer also comprises case of transmission 6, described transmission shaft 9 is being arranged at case of transmission 6 around the mode that self axis rotates, described motor 1 is positioned at case of transmission 6 external stabilities and is connected in case of transmission 6 and its rotor shaft 3 and stretches into case of transmission 6 as clutch end and cooperate with transmission shaft 9 transmissions, as shown in the figure, motor 1 shell is fixedly connected on case of transmission 6 by a plate 2; Motor 1 is integrated in one with speed changer, so that whole driving assembly structure is compact, has preferably integrity, and the vehicle that more can be applicable to light and flexible uses; And reduce the Transmitted chains of transmission of power, be beneficial to and raise the efficiency, energy saving.
In the present embodiment, described engage a gear coupling 7 is provided with for driving its gear shift driven unit that endwisely slips and finish gear shift, and described shifter assemblies comprises the shift fork 18 that cooperates at axial restraint with the engage a gear coupling, shift fork 18 is applied that the pretension axial force makes holddown spring 20 that engage a gear coupling 7 engages with fast grade driving gear 8 and for the manual force part that shift fork 18 is applied with the pulling force of the pretension axial force opposite direction of holddown spring 20; Engage a gear coupling 7 engages with fast shelves driving gear 8 under the normality, realizes that fast shelves travel; And in the climbing highway section, the driver drives the manual force part makes shift fork overcome the pretension axial force of holddown spring 20, and drives thus engage a gear coupling 7 and engages with a slow shelves driving gear 5, and the realization high pulling torque is exported; Simple and compact for structure, easy to operate, in conjunction with the characteristics of travelling of electric motor car, do not need loaded down with trivial details shift fork gear shift.
In the present embodiment, be parallel to transmission shaft 9 and be provided with in axial sliding declutch shift shaft 19, described shift fork 18 1 ends are positioned at the annular fork slot 7a of engage a gear coupling 7, and the other end is fixed in declutch shift shaft 19, and the manual force part is the manual drag-line 22 that is connected in declutch shift shaft and can applies to it axial force; Engage a gear coupling 7 belongs to prior art with the cooperating structure of shift fork 18, does not repeat them here; As shown in the figure, declutch shift shaft 19 is supported in case of transmission 6 in mode in axial sliding, adopt declutch shift shaft 19 structures, has preferably guide effect, and the turning torque that can bear shift fork 18, so that the shift fork action is accurately smooth and easy, this structure is easy to arrange manual drag-line in conjunction with cable support as shown in the figure; Described holddown spring 20 is coated at declutch shift shaft 19 and an end and withstands shift fork 18 the other ends and withstand case of transmission 6, forms and presses the pretension axial force, and this pretension axial force acts on shift fork 18 and declutch shift shaft 19 simultaneously.
In the present embodiment, described differential mechanism is installed on case of transmission 6, the left and right sides that fast shelves driven gear 10 and slow shelves driven gear 15 are respectively in differential mechanism all cooperates with differential casing 23 transmissions, as shown in the figure, fast shelves driven gear 10 and slow shelves driven gear 15 substitute a part that forms differential casing 23, simplify differential casing 23; As shown in the figure, planet wheel shaft 11 is fixedly installed on differential casing by pivot pin 14 at the circumferencial direction of differential casing, the two ends, the left and right sides of differential casing respectively with fast shelves driven gear 10 and slow shelves driven gear 15 engagement driving, at this moment, fast shelves driven gear 10 and slow shelves driven gear 15 are held concurrently and are the part of differential casing 23; Planet wheel shaft 11 is used for driving planet wheel 16 around the sun gear revolution as the power intake of differential mechanism, and planet wheel shaft 11 drives planet wheel 16 revolution under the driving of fast shelves driven gear 10 or slow shelves driven gear 15; Fast shelves driven gear 10 and slow shelves driven gear 15 all cooperate with planet wheel shaft 11 transmissions of differential mechanism, fast shelves driven gear 10 and slow shelves driven gear 15 are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of case of transmission, as shown in the figure, the fast shelves driven gear 10 integrally formed central axle sleeve 10a that are provided with, the slow shelves driven gear 15 integrally formed central axle sleeve 15a that are provided with, the power output axle shaft of the left and right sides sun gear of differential mechanism (being left sun gear 12 and right sun gear 13 among the figure) respectively corresponding being rotatably assorted are placed in the central axle sleeve 10a of fast shelves driven gear 10 and the central axle sleeve 15a of slow shelves driven gear 15 in coaxial; Differential mechanism is the structure of prior art, the sun gear (figure is left sun gear 12 and right sun gear 13) that comprises planet wheel 16, planet wheel shaft 11 and be used for outputing power, the cooperating structure of differential mechanism and case of transmission 6 makes the utility model compact structure, form rear-mounted structure, save installing space.
In the present embodiment, cooperate by the transmission of gear engagement pair between the rotor shaft 3 of described motor 1 and the transmission shaft 9, as shown in the figure, rotor shaft 3 upper drivings cooperate and are provided with driving gear 4, the cooperation of transmission shaft 9 upper drivings is provided with driven gear 17, and driven gear 17 inputs to transmission shaft 9 with power.
In the utility model, as shown in the figure, annular bearing with rolling contact by necessity between the central axle sleeve 10a of the rotor shaft 3 of motor 1, transmission shaft 9 and fast shelves driven gear 10 and the central axle sleeve 15a of slow shelves driven gear 15 and the case of transmission 6 is rotatably assorted, belong to the cooperating structure of prior art, do not repeat them here; In the utility model, transmission cooperates the mode that refers to transferring power to cooperate, and comprises engagement driving, spline drived cooperation etc.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (9)

1. an electric motor car hand gear drives assembly, it is characterized in that: comprise speed changer and power is inputted the motor of speed changer, described speed changer is the speed changer of at least two grades hand shift.
2. electric motor car hand gear according to claim 1 drives assembly, it is characterized in that: described speed changer is two speed transmission, the engage a gear coupling that comprises fast speed transmission, slow speed transmission and be used for power is switched between slow speed transmission and fast speed transmission.
3. electric motor car hand gear according to claim 2 drives assembly, it is characterized in that: also comprise the transmission shaft that cooperates for the clutch end transmission of motor, described fast speed transmission comprise fast shelves driving gear and with the fast shelves driven gear of fast shelves driving gear engagement driving, slow speed transmission comprise slow shelves driving gear and with the slow shelves driven gear of slow shelves driving gear engagement driving, described fast shelves driving gear and slow shelves driving gear are rotatably assorted respectively and are coated at transmission shaft, described engage a gear coupling mode with the circumferencial direction transmission that can endwisely slip between fast shelves driving gear and slow shelves driving gear is coated at transmission shaft, and described engage a gear coupling can engage transmission with fast shelves driving gear or slow shelves driving gear respectively.
4. electric motor car hand gear according to claim 3 drives assembly, it is characterized in that: also comprise differential mechanism, described fast shelves driven gear and slow shelves driven gear all cooperate with the power intake transmission of differential mechanism.
5. electric motor car hand gear according to claim 4 drives assembly, it is characterized in that: described speed changer also comprises case of transmission, described transmission shaft to be can being arranged at case of transmission around the mode that self axis rotates, and described motor is positioned at case of transmission external stability and is connected in case of transmission and its rotor shaft and stretches into case of transmission as clutch end and cooperate with transmission shaft driven.
6. according to claim 2 to the described electric motor car hand gear driving of 5 arbitrary claims assembly, it is characterized in that: described engage a gear coupling is provided with for driving its gear shift driven unit that endwisely slips and finish gear shift, and described shifter assemblies comprises the shift fork that cooperates at axial restraint with the engage a gear coupling, shift fork is applied that the pretension axial force makes holddown spring that the engage a gear coupling engages with fast grade driving gear and for the manual force part that shift fork is applied with the pulling force of the pretension axial force opposite direction of holddown spring.
7. electric motor car hand gear according to claim 6 drives assembly, it is characterized in that: be parallel to transmission shaft and be provided with in axial sliding declutch shift shaft, described shift fork one end is positioned at the annular fork slot of engage a gear coupling, the other end is fixed in declutch shift shaft, and the manual force part is the manual drag-line that is connected in declutch shift shaft and can applies to it axial force; Described holddown spring is coated at declutch shift shaft and an end and withstands the shift fork the other end and withstand case of transmission.
8. electric motor car hand gear according to claim 4 drives assembly, it is characterized in that: described differential mechanism is installed on case of transmission, fast shelves driven gear and slow shelves driven gear also are respectively in the left and right sides of differential mechanism and all cooperate with the differential casing transmission of differential mechanism, and fast shelves driven gear and a slow shelves driven gear are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of case of transmission, and the power output axle shaft of the left and right sides sun gear of differential mechanism respectively corresponding being rotatably assorted is placed in the central axle sleeve of fast shelves driven gear and slow shelves driven gear in coaxial.
9. electric motor car hand gear according to claim 8 drives assembly, it is characterized in that: cooperate by the transmission of gear engagement pair between the rotor shaft of described motor and the transmission shaft.
CN 201220355082 2012-07-20 2012-07-20 Electric vehicle manual variable speed drive assembly Expired - Fee Related CN202756548U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220355082 CN202756548U (en) 2012-07-20 2012-07-20 Electric vehicle manual variable speed drive assembly

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Application Number Priority Date Filing Date Title
CN 201220355082 CN202756548U (en) 2012-07-20 2012-07-20 Electric vehicle manual variable speed drive assembly

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CN202756548U true CN202756548U (en) 2013-02-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387165A (en) * 2015-12-09 2016-03-09 重庆先友科技开发有限公司 Electrocar three-level speed changing main reducer assembly with double shifting forks
CN105857053A (en) * 2015-01-23 2016-08-17 广州汽车集团股份有限公司 Hybrid power system and hybrid power automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105857053A (en) * 2015-01-23 2016-08-17 广州汽车集团股份有限公司 Hybrid power system and hybrid power automobile
CN105387165A (en) * 2015-12-09 2016-03-09 重庆先友科技开发有限公司 Electrocar three-level speed changing main reducer assembly with double shifting forks

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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: 20130227

Termination date: 20170720

CF01 Termination of patent right due to non-payment of annual fee