CN203111438U - Electro-tricycle assistance driving mechanism - Google Patents
Electro-tricycle assistance driving mechanism Download PDFInfo
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- CN203111438U CN203111438U CN 201320151224 CN201320151224U CN203111438U CN 203111438 U CN203111438 U CN 203111438U CN 201320151224 CN201320151224 CN 201320151224 CN 201320151224 U CN201320151224 U CN 201320151224U CN 203111438 U CN203111438 U CN 203111438U
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Abstract
An electro-tricycle assistance driving mechanism mainly solves the problem that an existing electro-tricycle is poor in driving mileage capacity, and is characterized in that a first driving bevel pinion (12) and a first driven bevel pinion (13) are arranged in a pedal gearbox (11), a second driving bevel pinion (14) and a first driven bevel pinion (15) which are meshed with each other are arranged in a gearbox (2), the first driven bevel pinion (13) is connected with the second driving bevel pinion (14) through a universal transmission shaft (17), a magnetic steel disk (18) is fixed on a central shaft (8), and a hall switch (19) is fixed on the side wall of the pedal gearbox (11). In the starting process, manpower pedals, and after the central shaft reaches a certain revolving speed, the motor is powered on and starts to work and mainly plays an assisting role; and the motor does not work in the starting process so as to avoid heavy load discharge of a storage battery in a short time (or instantly), damage on the storage battery is reduced, and driving mileage capacity of the electro-tricycle is improved.
Description
Technical field
The utility model relates to a kind of torque transfer of electro-tricycle, is specifically related to a kind of electro-tricycle power-assisted drive mechanism.
Background technology
Electro-tricycle is to be that power source, motor are hauling goods of driving or three-wheel transportation means that holding is used with electric energy (storage battery), all is to adopt storage battery (also being storage battery) as power source usually.At present, the foot-operated three-wheel vehicle of pure manpower seldom, electro-tricycle is by common employing.The torque transfer of existing electro-tricycle mainly is made up of electrical motor, drop-gear box, diff and semiaxis, diff and semiaxis are installed in the rear axle housing body, in order to make compact conformation, drop-gear box directly is fixed on the rear axle housing body, electrical motor is fixed on the drop-gear box by flange, and electrical motor connects controller and powered by storage battery.The direct motor drive diff rotates, and then drives the semiaxis rotation, drives three-wheel vehicle and travels.Turn on one's side when diff can avoid three-wheel vehicle to turn, make three-wheel vehicle turn flexibly, be easy to drive.There is following technological deficiency in the torque transfer of existing electro-tricycle: 1. for the user of electro-tricycle, the flying power of electro-tricycle is the problem of overriding concern, electro-tricycle is when starting, because resistance increases, needing the bigger moment of torsion of electrical motor generation could drive electro-tricycle travels, thereby can cause the heavy-current discharge of storage battery in short time (or moment), heavy-current discharge causes producing in the storage battery lead sulphate crystallization easily, thereby the physical property of infringement battery polar plate, major injury storage battery electric power storage ability and service life, and then can reduce the flying power of electro-tricycle.2. by the regulation of country, existing electro-tricycle belongs to the self-propelled vehicle category, and there is relevant prescribed limits different administrative regions, and it is set out on a journey.And also require great effort very much as the foot-operated three-wheel vehicle of pure manpower, road slightly far will consume a large amount of muscle power.
The utility model content
In order to overcome the deficiency of existing electro-tricycle flying power difference, the utility model provides a kind of electro-tricycle power-assisted drive mechanism, this electro-tricycle power-assisted drive mechanism is to be pedaled by manpower when starting, after axis reached certain rotating speed, electrical motor was connected and is started working, and electrical motor mainly plays the power-assisted effect, electrical motor is not worked when starting, avoid storage battery at the heavy-current discharge of short time (or moment), reduced the damage to storage battery, effectively improved the flying power of electro-tricycle.
The technical solution of the utility model is: a kind of electro-tricycle power-assisted drive mechanism comprises electrical motor, drop-gear box, diff, semiaxis, rear axle housing body, pedal, crank and axis, pass through the dual gear transferring power in the drop-gear box between electrical motor and the diff, drop-gear box is fixed on the rear axle housing body, electrical motor is fixed on a side of drop-gear box, dual gear is fixed on the installation shaft, two ends fixed crank and the pedal of axis, axis is installed on the foot-operated drop-gear box and stretch out at two ends, be provided with first drive bevel gear and first driven wheel of differential in the foot-operated drop-gear box, first drive bevel gear is fixed on the axis, and first driven wheel of differential is installed in the sidewall of foot-operated drop-gear box; Be provided with second drive bevel gear and second driven wheel of differential that are meshed in the drop-gear box, second drive bevel gear is installed in the drop-gear box sidewall, second driven wheel of differential is installed on the installation shaft by unilateral bearing, second drive bevel gear is corresponding with first driven wheel of differential, links to each other by universal drive shaft between first driven wheel of differential and second drive bevel gear; On the one side external part of axis the magnet steel disk is arranged fixedly, fixing Hall switch on the foot-operated drop-gear box sidewall of corresponding magnet steel disk, described Hall switch are connected with controller and can control electrical motor power supply, outage and size of current.
The two ends of described universal drive shaft are equipped with castellated shaft, are equipped with spline housing on first driven wheel of differential and second drive bevel gear, and the castellated shaft at universal drive shaft two ends is plugged on respectively in the spline housing of first driven wheel of differential and second drive bevel gear.
Described universal drive shaft is provided with protecting jacket outward.
The utlity model has following beneficial effect: owing to take such scheme, electro-tricycle is when starting, foot-operated pedal drives axis by crank and rotates, through first drive bevel gear, first driven wheel of differential, second drive bevel gear, second driven wheel of differential and diff with transmission of power to semiaxis, the car starting, meanwhile, produce relative motion between magnet steel disk and the Hall switch, after axis reaches certain rotating speed, the Hall switch action makes electrical motor work, electrical motor plays the power-assisted effect, along with the axis rotating speed increases, the rotating speed of electrical motor also improves thereupon, follows the electric power power-assist in the three-wheel vehicle operational process constantly, when foot-operated stopping, the Hall switch action makes the electrical motor outage, namely stops power-assisted, and three-wheel vehicle still can keep advancing under effect of inertia, because unilateral bearing is arranged, moment can not oppositely be passed to second driven wheel of differential during three-wheel vehicle free-wheel.When starting electrical motor do not work, avoided storage battery at the heavy-current discharge of short time (or moment), reduced the damage to storage battery, effectively improved the flying power of electro-tricycle.
Description of drawings
Accompanying drawing 1 is structure cutaway view of the present utility model.
Accompanying drawing 2 is A place enlarged drawings among Fig. 1.
Accompanying drawing 3 is B place enlarged drawings among Fig. 1.
1-electrical motor among the figure, 2-drop-gear box, 3-diff, 4-semiaxis, the 5-rear axle housing body, 6-pedal, 7-crank, 8-axis, the 9-dual gear, the 10-installation shaft, 11-rides drop-gear box, 12-first drive bevel gear, 13-first driven wheel of differential, 14-second drive bevel gear, 15-second driven wheel of differential, 16-unilateral bearing, 17-universal drive shaft, 18-magnet steel disk, 19-Hall switch, 20-protecting jacket.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2, shown in Figure 3, a kind of electro-tricycle power-assisted drive mechanism comprises electrical motor 1, drop-gear box 2, diff 3, semiaxis 4, rear axle housing body 5, pedal 6, crank 7 and axis 8, pass through dual gear 9 transferring power in the drop-gear box 2 between electrical motor 1 and the diff 3, drop-gear box 2 is fixed on the rear axle housing body 5, electrical motor 1 is fixed on a side of drop-gear box 2, dual gear 9 is fixed on the installation shaft 10, the two ends fixed crank 7 of axis 8 and pedal 6, axis 8 is installed on the foot-operated drop-gear box 11 and stretch out at two ends, be provided with first drive bevel gear 12 and first driven wheel of differential 13 in the foot-operated drop-gear box 11, first drive bevel gear 12 is fixed on the axis 8, and first driven wheel of differential 13 is installed in the sidewall of foot-operated drop-gear box 11; Be provided with second drive bevel gear 14 and second driven wheel of differential 15 that are meshed in the drop-gear box 2, second drive bevel gear 14 is installed in drop-gear box 2 sidewalls, second driven wheel of differential 15 is installed on the installation shaft 10 by unilateral bearing 16, second drive bevel gear 14 is corresponding with first driven wheel of differential 13, links to each other by universal drive shaft 17 between first driven wheel of differential 13 and second drive bevel gear 14; On the one side external part of axis 8 magnet steel disk 18 is arranged fixedly, fixing Hall switch 19 on foot-operated drop-gear box 11 sidewalls of corresponding magnet steel disk 18, described Hall switch 19 are connected with controller and can control electrical motor 1 power supply, outage and size of current.Owing to take technique scheme, electro-tricycle is when starting, foot-operated pedal 6 drives axis 8 by crank 7 and rotates, through first drive bevel gear 12, first driven wheel of differential 13, second drive bevel gear 14, second driven wheel of differential 15 and diff 3 with transmission of power to semiaxis 4, the car starting, meanwhile, produce relative motion between magnet steel disk 18 and the Hall switch 19, after axis 8 reaches certain rotating speed, Hall switch 19 actions make electrical motor 1 work, electrical motor 1 plays the power-assisted effect, along with axis 8 rotating speeds increase, the rotating speed of electrical motor 1 also improves thereupon, follows the electric power power-assist in the three-wheel vehicle operational process constantly, when foot-operated stopping, Hall switch 19 actions make electrical motor 1 outage, namely stop power-assisted, and three-wheel vehicle still can keep advancing under effect of inertia, because unilateral bearing 16 is arranged, moment can not oppositely be passed to second driven wheel of differential 15 during the three-wheel vehicle free-wheel.When starting electrical motor 1 do not work, avoided storage battery at the heavy-current discharge of short time (or moment), reduced the damage to storage battery, effectively improved the flying power of electro-tricycle.
The two ends of described universal drive shaft 17 are equipped with castellated shaft, be equipped with spline housing on first driven wheel of differential 13 and second drive bevel gear 14, the castellated shaft at universal drive shaft 17 two ends is plugged on respectively in the spline housing of first driven wheel of differential 13 and second drive bevel gear 14.Simple in structure, easy for installation, it is reliable to transmit moment of torsion, when upward slope, descending or unfairness ground road traveling, utilizes the characteristic of universal drive shaft 17 to solve relative position deviation between first driven wheel of differential 13 and second drive bevel gear 14.Compare the fault that does not exist chain to fracture or come off with existing chain-type footstep mechanism.
The described universal drive shaft 17 outer protecting jackets 20 that are provided with.20 protective actions of protecting jacket.
The utility model meets the industry standard of national electric three-wheel bicycle, in design time limit timing speed and maximum power, adopt low-power machine just can reach the power-assisted effect, reduced person's physical demands to pedal, motor only plays the power-assisted effect, can not directly drive the three-wheel vehicle walking, has just substituted existing pure manual tricycle, the relevant regulations that meets each administrative region can legally be set out on a journey.When travelling, three-wheel vehicle makes to pedal that the person feels laborsaving, light pedaling, and tired.Owing to be under little current status, to work during the motor power-assisted, therefore, can reach bigger flying power with the storage battery of capacity, economical and practical.
Claims (3)
1. electro-tricycle power-assisted drive mechanism, comprise electrical motor (1), drop-gear box (2), diff (3), semiaxis (4), rear axle housing body (5), pedal (6), crank (7) and axis (8), pass through dual gear (9) transferring power in the drop-gear box (2) between electrical motor (1) and the diff (3), drop-gear box (2) is fixed on the rear axle housing body (5), electrical motor (1) is fixed on a side of drop-gear box (2), dual gear (9) is fixed on the installation shaft (10), the two ends fixed crank of axis (8) (7 and pedal (6), it is characterized in that: axis (8) is installed in foot-operated drop-gear box (11) upward and stretch out at two ends, be provided with first drive bevel gear (12) and first driven wheel of differential (13) in the foot-operated drop-gear box (11), first drive bevel gear (12) is fixed on the axis (8), and first driven wheel of differential (13) is installed in the sidewall of foot-operated drop-gear box (11); Be provided with second drive bevel gear (14) and second driven wheel of differential (15) that are meshed in the drop-gear box (2), second drive bevel gear (14) is installed in drop-gear box (2) sidewall, second driven wheel of differential (15) is installed on the installation shaft (10) by unilateral bearing (16), second drive bevel gear (14) is corresponding with first driven wheel of differential (13), links to each other by universal drive shaft (17) between first driven wheel of differential (13) and second drive bevel gear (14); On the one side external part of axis (8) magnet steel disk (18) is arranged fixedly, fixing Hall switch (19) on foot-operated drop-gear box (11) sidewall of corresponding magnet steel disk (18), described Hall switch (19) is connected with controller also can control electrical motor (1) power supply, outage and size of current.
2. electro-tricycle power-assisted drive mechanism according to claim 1, it is characterized in that: the two ends of universal drive shaft (17) are equipped with castellated shaft, be equipped with spline housing on first driven wheel of differential (13) and second drive bevel gear (14), the castellated shaft at universal drive shaft (17) two ends is plugged on respectively in the spline housing of first driven wheel of differential (13) and second drive bevel gear (14).
3. electro-tricycle power-assisted drive mechanism according to claim 1 and 2 is characterized in that: the outer protecting jacket (20) that is provided with of universal drive shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151224 CN203111438U (en) | 2013-03-29 | 2013-03-29 | Electro-tricycle assistance driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151224 CN203111438U (en) | 2013-03-29 | 2013-03-29 | Electro-tricycle assistance driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111438U true CN203111438U (en) | 2013-08-07 |
Family
ID=48891808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320151224 Expired - Fee Related CN203111438U (en) | 2013-03-29 | 2013-03-29 | Electro-tricycle assistance driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371122A (en) * | 2021-08-12 | 2021-09-10 | 尚策 | Novel electric power-assisted bicycle |
-
2013
- 2013-03-29 CN CN 201320151224 patent/CN203111438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371122A (en) * | 2021-08-12 | 2021-09-10 | 尚策 | Novel electric power-assisted bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |