CN201261389Y

CN201261389Y - Automatic speed variator of electric vehicle

Info

Publication number: CN201261389Y
Application number: CNU2008201100929U
Authority: CN
Inventors: 纪孟豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-21
Filing date: 2008-08-21
Publication date: 2009-06-24
Anticipated expiration: 2018-08-21

Abstract

The utility model discloses an automatic transmission of a motor wheel truck, which comprises a driving transmission shaft and a driven transmission shaft. A plurality of gear train groups are arranged between the driving transmission shaft and the driven transmission shaft; the gear train groups have different speed ratio; a clutch is connected to a position the gear train groups arranged on the driven transmission shaft; a plurality of pressure boards of a control system are arranged on the driven shaft; the pressure boards conduct left and right transverse displacement and side press the clutch, control the gear train groups to conduct idle motion and driving on the driven shaft, and one of the gear train groups plays driving effect; and the utility model further comprises a control circuit, the control circuit is combined with a shift control motor used for controlling a control system, a speed sensor arranged in the control circuit detects driving speed and sends signal to the control system, the control system sends out signal, and the shift control motor indicates forward or reverse turning according to the signal of the system to satisfy the requirements for slope climbing or level running, so as to achieve the aims of reducing power consumption and increasing endurance effect of a motor wheel truck.

Description

Automatic speed derailleur for electric vehicle

Technical field

The utility model relates to a kind of automatic speed derailleur for electric vehicle, relates in particular to a kind of collocation several change gear train group and power-transfer clutchs, making battery-driven car can deal with various road conditions by this change-speed box, and a kind of automatic speed derailleur for electric vehicle of each transmission component of protection battery-driven car.

Background technology

General existing battery-driven car be by motor directly see through transmission device with transmission of power to wheel, but it is single rotating speed, and often be that the high-revolving mode of utilization is travelled, though this kind method can allow battery-driven car can keep normal speed when the level land and travel, but when running into the climbing road conditions, the battery-driven car of this moment can produce the unable situation of climbing, what is more stagnation of movement and dangerous in the climbing way; But use slow-revving mode to travel conversely, do not run into the climbing road conditions though be afraid of, speed was slack-off when battery-driven car travelled on the level land, and this does not meet commercial efficiency and also loses time very much.

See also shown in Figure 8, it is the section-drawing of an existing structure 7, existing a kind of electric cycle shift transmission utility model patent as TaiWan, China patent announcement number No. 00549077, this car of riding instead of walk comprises the front-wheel that a vehicle frame, is positioned at vehicle frame one front end, an and trailing wheel that is positioned at vehicle frame one rear end, this shift transmission includes: a shell block is to be fixed on this vehicle frame and the position of contiguous this trailing wheel; One Power Component 71, having a motor 711, takes turns the bigger large drive wheel 712 and in footpath and takes turns the less brief biography driving wheel 713 in footpath, this motor 711 is to be fixed on this shell block, and have along an axis direction and be set in a axle drive shaft 714 in this shell block, this large and small power wheel is to be fixed on the axle drive shaft 714; One transmission component 72, has an output shaft 724, one takes turns the big flower wheel 723 of footpath greater than this brief biography driving wheel 713, one takes turns the little flower wheel 722 of footpath less than this large drive wheel 712, two belts 73, one in conjunction with wheel 74 and one driving lever 75, this output shaft 724 is to run through this shell block along this axis direction, and has a section of passing 725, should be big, little flower wheel 722, the 723rd, wear pivot on output shaft 724 and can be around output shaft 724 idle running, this belt 73 is to overlap the United Nations General Assembly's power wheel 712 and little flower wheel 722 respectively, brief biography driving wheel 713 and big flower wheel 723, this is can be along fastening on output shaft 724 that axis direction moves in conjunction with wheel 74, and can be respectively with greatly, little flower wheel 723,722 in conjunction with forming interlock, this driving lever 75 can be stirred in conjunction with wheel 74 along axis direction, and has one and pass the traversing through end 725 of shell block along a radial line direction; One takeoff output assembly 76 has two belt pulleys and a belt, and this belt pulley is the section of passing that is separately fixed at trailing wheel and output shaft, and this belt is two belt pulleys of cover connection, makes output shaft 724 and trailing wheel form interlock.

But above-mentioned existing structure 7 major parts are to use manually can stir in conjunction with wheel 74 with the quick-acting fruits of Dutch transformation along axis direction to operate this driving lever 75, so low gear had been forgotten to beat by regular meeting when steerman was met the climbing road conditions,, steerman just can remember to beat shelves when driving the unable sensation of this battery-driven car climbing when having; In addition, this is to be particular product in conjunction with wheel 74, have the effectiveness of power-transfer clutch, but non-professional power-transfer clutch easily has the untrue situation of transmission, so generally speaking, existing structure 7 still has many shortcomings to remain to be improved.

Summary of the invention

Main purpose of the present utility model provides a kind of can automatically switch change-speed box of speed change of battery-driven car that allows.

Secondary objective of the present utility model is to select special power-transfer clutch and well-designed control system for use, allows control the very certain a kind of automatic speed derailleur for electric vehicle of gear shifting operation.

Another purpose of the present utility model is to allow the utility model change-speed box be suitable for very elasticity, and the battery-driven car more than the various two-wheeleds is all suitable.

For achieving the above object, the utility model provides a kind of automatic speed derailleur for electric vehicle, comprise: a main driving axle and is set in a housing from transmission shaft, at this main driving axle and should be from being provided with several train groups between the transmission shaft, this train group has different ratio of revolution, and this train group is positioned at this by the local affixed power-transfer clutch that is provided with of transmission shaft, and several increased pressure boards of a control system are set from transmission shaft at this, this power-transfer clutch of left and right sides cross travel side pressure, controlling these several train groups does idle running or drives one of them this train group do drive effect from transmission shaft at this; Formation by said modules should be from the speed of transmission shaft to reach conversion.

Wherein, this train group is a pair of and one exports for slow speed of revolution for the output of high rotating speed and another that this train group is positioned at this and is established this power-transfer clutch by the place of transmission shaft for connecing inwardly, and this control system is between this is to power-transfer clutch; This train group is at least plural gear combination, and this train group also can be constituted by a pair of belt pulley and a belt.

Wherein, this control system comprises a body, one increased pressure board, an and connecting rod, and tool one groove around this body, this connecting rod is fixedly arranged on this body institute predeterminated position, this increased pressure board is the both sides that a pair of next-door neighbour respectively is located at this body, this increased pressure board also respectively be provided with a groove up and down, and to snap in several slider guides that this housing is set firmly, make this increased pressure board only make horizontal left and right displacement according to the guiding of this slider guide, between this increased pressure board and this body device for horizontally pushing is set, when this device for horizontally pushing was just changeing for this body, this increased pressure board of this body one side can compress this power-transfer clutch, when this body reversed, this increased pressure board of another of its opposite side can compress another this power-transfer clutch; And a screw is established in this connecting rod stage casing, and the axle center of a variable speed control motor wears, this variable speed control motor of mat just, reverse reach this body just, the purpose that reverses; Wherein this device for horizontally pushing is provided with several voussoirs that correspond to each other and cooperate for this body with each end face ring in opposite directions between this increased pressure board, and this device for horizontally pushing also can be provided with several pearl groove and steel balls that correspond to each other and cooperate with each end face ring in opposite directions between this increased pressure board for this body.

Wherein, this variable speed control motor is set up a control circuit, and the set speed of a motor vehicle inductor of this control circuit can detect speed of a motor vehicle situation, then this control circuit can according to the speed of a motor vehicle come this variable speed control motor of automatic guidance just, reverse; And this variable speed control motor also can be subjected to this variable speed control motor of manual control just, reverse.

Learn that by above explanation the utility model compared with prior art really can reach following effect:

1, the utility model is provided with a control circuit, this control circuit combines with a variable speed control motor of this control system of control, make the set speed of a motor vehicle inductor of this control circuit must detect the speed of a motor vehicle when travelling, variation by the speed of a motor vehicle should be from the speed of transmission shaft to reach conversion, so that battery-driven car can be dealt with various road conditions automatically no longer in the manual control mode, and reach the demand of the climbing or the level road that travels, also can reduce the purpose of the continuation of the journey effect of power consumption and increase battery-driven car.

2, the utility model is selected special power-transfer clutch and well-designed control system for use, and controlled by variable speed control motor control and control circuit, allow and control the very certain a kind of automatic speed derailleur for electric vehicle of speed change output action, can not produce the situation of wrong start and consume each transmission component, and comprise consume of battery etc.

The utilization of the transmission device of the utility model change-speed box is very extensive, is applicable to two-wheel motor bicycle, boosted vehicle etc. or three-wheel, the four-wheel electric car etc. of riding instead of walk.

Description of drawings

Fig. 1 is the combination section of the utility model preferred embodiment.

Fig. 2 A is the exploded drawings of the utility model preferred embodiment control system.

Fig. 2 B is the preferable exploded drawings of executing another control system of example of the utility model.

Fig. 3 is the increased pressure board action scheme drawing of the utility model preferred embodiment.

Fig. 4 is the control system scheme drawing of another embodiment of the utility model.

Fig. 5 is the increased pressure board action scheme drawing of another embodiment of the utility model.

Fig. 6 is the control circuit action scheme drawing of the utility model preferred embodiment.

Fig. 7 is the enforcement aspect figure of the utility model preferred embodiment.

Fig. 8 is the section-drawing of existing structure.

Description of reference numerals:

A the utility model 1 main driving axle 2 is from transmission shaft

3 train groups, 31 big gear wheels, 32 miniature gearss

33 power-transfer clutchs, 4 control system, 41 bodies

411 transmission outside threads, 42 grooves, 43 increased pressure boards

431 grooves, 432 transmission negative threads, 44 connecting rods

441 screws, 45 device for horizontally pushing, 451 voussoirs

452 pearl grooves, 453 steel balls, 46 crucibles wheel

47 bearings, 48 beam rings, 5 variable speed control motors

51 axle center, 6 control circuits, 61 speed of a motor vehicle inductors

8 wheels, 9 start motors, 91 housings

911 slider guides, 7 existing structures, 71 Power Components

711 motors, 712 large drive wheels, 713 little power wheels

714 axle drive shafts, 72 transmission components, 722 little flower wheels

723 big flower wheel 724 output shafts 73 belts

74 in conjunction with wheel 75 driving levers 76 takeoff output assemblies

77 housings

The specific embodiment

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

At first, see also shown in Figure 1, combination section for the utility model A preferred embodiment, the utility model is about a kind of automatic speed derailleur for electric vehicle, comprise: in a housing 91, have a main driving axle 1 and from transmission shaft 2, at main driving axle 1 and from being provided with several train groups 3 between the transmission shaft 2, this train group 3 has different ratio of revolution, and train group 3 is positioned to be connect by the place of transmission shaft 2 establishes two power-transfer clutchs 33, these power-transfer clutch 33 its sides of utilization pressurization, so that power-transfer clutch 33 produces the clutch effects with this from transmission shaft 2, at this several increased pressure boards 43 of control system 4 are set from transmission shaft 2, left and right sides cross travel is done idle running or drive at this from transmission shaft 2 to control these several train groups 3 with side pressure power-transfer clutch 33, and the train group 3 of one of them is done to drive by transmission shaft 2 effects; Formation by said modules should be from the rotating speed of transmission shaft 2 to reach conversion.

This train group 3 is a pair of and one exports for high rotating speed and another are slow speed of revolution that this train group 3 is positioned at this and is established this power-transfer clutch 33 by the place of transmission shaft 2 for connecing inwardly, and this control system 4 is between this is to power-transfer clutch 33; This train group 3 is a big gear wheel 31 and the interlock combination of miniature gears 32, this train group 3 also can by small belt pulley, big belt pulley, and a belt constituted and have high and low ratio of revolution equally and export.

See also 2A to shown in Figure 3, this control system 4 comprises a body 41, several increased pressure boards 43, an and connecting rod 44, and tool one groove 42 around this body 41, this connecting rod 44 is fixedly arranged on 1 predeterminated position of this body, increased pressure board 43 is located at the both sides of this body 41 for a pair of next-door neighbour respectively, its increased pressure board 43 also respectively be provided with a groove 431 up and down, and to snap in several slider guides 911 that this housing 91 is set firmly, make this increased pressure board 43 only make horizontal left and right displacement according to the guiding of this slider guide 431, be respectively equipped with a device for horizontally pushing 45 between two other increased pressure board 43 and this body 41, this device for horizontally pushing is that this body 41 is when just changeing, the increased pressure board 43 of its body 41 1 sides can compress power-transfer clutch 33, when this body 41 reversed, the increased pressure board 43 of its opposite side can compress the power-transfer clutch 33 of opposite side; And the axle center 51 that a screw 441, one variable speed control motors 5 are established in these connecting rod 44 stage casings wears, and is fixedly arranged in the housing 91, this variable speed control motor 5 of mat just, reverse reach body 41 just, the purpose that reverses; Wherein device for horizontally pushing 45 is for being provided with several voussoirs 451 that correspond to each other and cooperate at body 41 with each end face ring in opposite directions between the increased pressure board 43, and this device for horizontally pushing 45 also can be for being provided with several pearl grooves 452 and steel balls 453 that correspond to each other and cooperate at body 41 and each end face ring in opposite directions between the increased pressure board 43, cause by the groove depth of this pearl groove 452 is deep mixed, also with the same effect of voussoir 451 tools, so but this variable speed control motor 5 of two kinds of embodiment mats of this device for horizontally pushing 45 just, reverse and just reaching this body 41, the purpose that reverses, again just by body 41, reverse is to control these increased pressure board 43 work left sides or right cross travel with side pressure power-transfer clutch 33, do idle running or drive at this from transmission shaft 2 to control these several train groups 3, and can only one of them train group 3 make to drive effect, to reach the speed output of conversion from transmission shaft 2.

See also Fig. 4 and shown in Figure 5, the body 41 of this control system 4 also can be made as the nahlock shape, and below its bottom, establish a crucible and take turns 46, the axle center 51 of one variable speed control motor 5 wears, this axle center 51 is that crucible is shaft-like, mat variable speed control motor 5 just, reverse reach body 41 just, the purpose that reverses, the centre hole of body 41 is provided with several bearings 47, and bearing 47 is fixed in centre hole inside with beam ring 48, be used to make from transmission shaft 2 wear; Two side end faces that this device for horizontally pushing 45 can be body 41 respectively extend axially a transmission outside thread 411, this transmission outside thread 411 and set transmission negative thread 432 corresponding matching of the increased pressure board 43 that is in close proximity to body 41 both sides, so, when if body 41 is just changeing, the increased pressure board 43 of these body 41 1 sides can side pressure support power-transfer clutch 33, when if body 41 reverses, then the increased pressure board 43 of opposite side can be return to another power-

transfer clutch

33 and 43 of another increased pressure boards in side pressure, press one to move back (being linear displacement direction unanimity) and variable speed control motor 5 just by one of two increased pressure boards 43, reverse, to reach the rotating speed output of conversion from transmission shaft 2.

See also Figure 6 and Figure 7, this variable speed control motor 5 is set up a control circuit 6, these control circuit 6 set speed of a motor vehicle inductors 61 can detect speed of a motor vehicle situation, then this control circuit 6 can according to the speed of a motor vehicle come this variable speed control motor 5 of automatic guidance just, reverse, also be that automatic conversion should be from the speed of transmission shaft 2, last power is conveyed to wheel 8 again; This kind device is suitable for the road conditions that battery-driven car runs into climbing most, when battery-driven car travels on the level land, be to make transferring power by the high-revolving train group 3 that this start motor 9 drives this change-speed box, and when battery-driven car is met climbing, this control circuit 6 learns that its speed of a motor vehicle die-offs, and make change-speed box switch to slow-revving these train group 3 do reception and registration power at once, so just can make battery-driven car have gradeability and can reduce consume between each member, and reach the demand of the climbing or the level road that travels, also can reduce the continuation of the journey effect of power consumption and increase battery-driven car; And this variable speed control motor also must be subjected to this variable speed control motor of manual control just, reverse, also can reach aforesaid effect.

In sum, the utility model automatic speed derailleur for electric vehicle, be on change-speed box, to establish a control circuit 6, this control circuit 6 combines with a variable speed control motor 5 of this control system 4 of control, make this control circuit 6 can detect the speed of a motor vehicle when travelling, should be from speed of transmission shaft 2 by the variation of the speed of a motor vehicle to reach conversion, change-speed box is to deal with various road conditions so that battery-driven car can automatically switch, and it constitutes structure and had not seen books and periodicals or public use again, meets novel patent application important document.

Need to prove, the above is the know-why that specific embodiment of the utility model is used, if comply with the change that conception of the present utility model is done, when the function that it produced does not exceed specification sheets and graphic contain spiritual yet, all should be in scope of the present utility model.

Claims

1, a kind of automatic speed derailleur for electric vehicle, one main driving axle and one is set from transmission shaft in a housing, it is characterized in that: at this main driving axle and should be from being provided with several train groups between the transmission shaft, this train group has different ratio of revolution, and this train group is positioned at this by the local affixed power-transfer clutch that is provided with of transmission shaft, and several increased pressure boards of a control system are set from transmission shaft at this, left and right sides cross travel is with this power-transfer clutch of side pressure, control these several train groups and do idle running or drive and should rotate from transmission shaft from transmission shaft at this, one of them this train group makes to drive effect.

2, automatic speed derailleur for electric vehicle according to claim 1, it is characterized in that, this train group is a pair of and one exports for the slow speed of revolution value for the output of high tachometer value and another, this train group is positioned at this and is affixed this power-transfer clutch of establishing inwardly by the place of transmission shaft, and this control system is between this is to power-transfer clutch.

3, automatic speed derailleur for electric vehicle according to claim 2, it is characterized in that, this control system comprises a body, this increased pressure board, an and connecting rod, and tool one groove around this body, this connecting rod is to be fixedly arranged on this body institute predeterminated position, this increased pressure board is the both sides that a pair of next-door neighbour respectively is located at this body, and this increased pressure board also respectively be provided with a groove up and down, and to snap in several slider guides that this housing is set firmly, between this increased pressure board and this body device for horizontally pushing is set, when this device for horizontally pushing was just changeing for this body, this power-transfer clutch was supported in this increased pressure board side pressure of this body one side, when this body reversed, another this power-transfer clutch was supported in this increased pressure board side pressure of another of opposite side.

4, automatic speed derailleur for electric vehicle according to claim 3 is characterized in that, a screw is established in this connecting rod stage casing, and the axle center of a variable speed control motor wears, and this axle center is a screw rod, the axle center of this variable speed control motor just, reverse this body just, reverse.

5, automatic speed derailleur for electric vehicle according to claim 3 is characterized in that, crucible wheel is established in the below, bottom of this body, and the axle center that a variable speed control motor is set wears, and this axle center is the crucible bar.

6, automatic speed derailleur for electric vehicle according to claim 3 is characterized in that, this device for horizontally pushing is provided with several voussoirs that correspond to each other and cooperate for this body with each end face ring in opposite directions between this increased pressure board.

7, automatic speed derailleur for electric vehicle according to claim 3 is characterized in that, this device for horizontally pushing is provided with several pearl groove and steel balls that correspond to each other and cooperate for this body with each end face ring in opposite directions between this increased pressure board, and this pearl groove is a bevel depth.

8, automatic speed derailleur for electric vehicle according to claim 3 is characterized in that, this device for horizontally pushing is for being respectively equipped with a transmission outside thread and a transmission negative thread between this body and this increased pressure board.

9, according to claim 4 or 5 described automatic speed derailleur for electric vehicle, it is characterized in that, this variable speed control motor is set up a control circuit, and the set speed of a motor vehicle inductor of this control circuit detects speed of a motor vehicle situation, this control circuit according to this variable speed control motor of speed of a motor vehicle automatic guidance just, reverse; Or this variable speed control motor be subjected to this variable speed control motor of manual control just, reverse.

10, automatic speed derailleur for electric vehicle according to claim 2 is characterized in that, this train group is plural at least gear combination.