CN2395977Y - Transmission mechanism for electric car - Google Patents
Transmission mechanism for electric car Download PDFInfo
- Publication number
- CN2395977Y CN2395977Y CN 99243378 CN99243378U CN2395977Y CN 2395977 Y CN2395977 Y CN 2395977Y CN 99243378 CN99243378 CN 99243378 CN 99243378 U CN99243378 U CN 99243378U CN 2395977 Y CN2395977 Y CN 2395977Y
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- Prior art keywords
- rotating shaft
- worm
- central rotating
- worm gear
- wheel
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- Expired - Fee Related
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Abstract
The utility model relates to a transmission mechanism for motor vehicles, which comprises a drive motor and a transmission system which is connected between the drive motor and a foot treadle mechanism, wherein, the transmission system comprises a worm which is extended out of the end part of an outer casing of the drive motor and a worm wheel which is engaged with the worm, a ratchet wheel is fixedly connected with the worm wheel, the other ratchet wheel is fixedly connected with a center rotary shaft, and the two ratchet wheels are connected with a chain plate through a shaft sleeve. The utility model has the advantages of small size, simple structure, few parts and convenient installation because the transmission mechanism uses the worm and the worm wheel to transmit and reduce the speed, the ratchet wheels are respectively arranged on the worm wheel and the center rotary shaft and are supported by a bearing, and the transmission mechanism can be handily and flexibly operated.
Description
The utility model relates to a kind of system of vehicle transmission mechanism, particularly a kind of transmission device of battery-driven car.
At present, the transmission device of Electrical Bicycle mostly with hub-type motor, the multi-stage gear speed reduction gearing that links to each other with motor, and sprocket wheel form, disclose this type of actuating device as Chinese patent application numbers 94112003.1, this device construction is comparatively complicated, the productive costs height.The applicant proposed a kind of Electrical Bicycle engine installation before this, and the patent No. is 98224766.4.It is made of circular cone tooth transmission system, is provided with free-wheel clutch on the motor power axle, can not change by rotor in using the pedal process, and it is equally light with general bicycle to ride.But owing to adopt the transmission of awl tooth, it has two rotating shafts, two conical gears, two gears, two ratchets and bearing to constitute, and part is more relatively, and is higher to the concentricity requirement of each part in making the course of processing, is unfavorable for batch manufacturing.
The purpose of this utility model is: provide a kind of part still less, simple in structure, easy for installation, drive mechanism of electric motor car that cost is low.
In order to reach the above purpose, the utility model is achieved through the following technical solutions:
A kind of drive mechanism of electric motor car, comprise drive motor, the transmission system that is connected with drive motor, transmission system comprises the worm screw that stretches out the drive motor end, the worm gear that is meshed with this worm screw, be rotating between worm gear and central rotating shaft, one free-wheel clutch is captiveed joint with worm gear, and another free-wheel clutch is captiveed joint with central rotating shaft, and two free-wheel clutchs join by axle sleeve and chain drum.
In the utility model, worm gear preferably is connected on the central rotating shaft by bearings, and central rotating shaft preferably is connected on the casing by bearings.If when being applied in this transmission device in the Electrical Bicycle, casing is stretched out at the central rotating shaft two ends, and can connect footstep mechanism.Free-wheel clutch can adopt ratchet.
Advantage of the present utility model is: because drive mechanism of electric motor car of the present utility model adopts worm screw, worm gear mode to carry out transmission and deceleration, make that the utility model volume is little, simple in structure, part is few, easy for installation.On worm gear and central rotating shaft, be respectively equipped with free-wheel clutch, can make in foot-operated process, ride equally light with common car; Owing to, make transmission device work more light, flexible being equipped with bearing between worm gear and the central rotating shaft and between central rotating shaft and the casing.
For the utility model more clearly is described, be elaborated below in conjunction with accompanying drawing and preferred embodiment:
Fig. 1 is the side sectional view of the utility model embodiment.
Fig. 2 is the axial cutaway view of the utility model embodiment.
As shown in Figure 1 and Figure 2: in the present embodiment, drive mechanism of electric motor car comprises drive motor, is connected in the transmission system between drive motor and footstep mechanism, transmission system is by the worm screw 2 that stretches out drive motor 1 outer casing end, and the worm gear 3 that is meshed with this worm screw, 4 of worm gear 3 and central rotating shafts are rotating, one free-wheel clutch 5 is captiveed joint with worm gear 3, central rotating shaft 4 two ends are stretched out casing 6 and are connected with footstep mechanism, another free-wheel clutch 7 is captiveed joint with central rotating shaft 4, and two free-wheel clutchs join by axle sleeve 8 and chain drum 9.Worm gear 3 by bearing 10 support and connection on central rotating shaft, central rotating shaft 4 by bearing 11 support and connection on casing 6.The free-wheel clutch of employing in the present embodiment is a ratchet.
When connecting motor power, motor is given worm gear 3 by the worm screw wheel 2 that stretches out its shell shaft end with transmission of power, because worm gear 3 is supported by bearing 10, ratchet 5 is captiveed joint with worm gear 3, worm gear 3, ratchet 5, axle sleeve 8 are rotated synchronously, and drive the chain drum rotation, vehicle is moved ahead.Owing to be provided with ratchet 7 at central rotating shaft 4 and 8 on axle sleeve, when worm gear 3 rotated, central rotating shaft 4 did not rotate, and the bicyclist can arbitrarily be parked in pin on the pedal.
When tramping with one's feet, central rotating shaft 4 drives axle sleeve 8 and chain drum 9 through ratchet 7, and vehicle is moved ahead; Because worm gear 3 and 8 on axle sleeve are provided with ratchet 5, the rotating shaft of worm gear 3 and motor is not rotated simultaneously; The rotor of motor is the magnetic line of force of cutting motor stator not, makes the bicyclist equally light as riding car.
In the utility model, because drive mechanism of electric motor car adopts worm screw, worm gear mode to carry out transmission and deceleration, make that the utility model volume is little, simple in structure, part is few, guarantee the concentricity of each part during installation easily, be fit to batch manufacturing.When this transmission device was applied in the Electrical Bicycle, the central rotating shaft two ends were stretched out casing and can be connected footstep mechanism.Casing also can not stretched out in the central rotating shaft two ends, is applicable to Electric Scooter and three-wheel vehicle.
Claims (3)
1, a kind of drive mechanism of electric motor car, comprise drive motor, the transmission system that is connected with drive motor, it is characterized in that: described transmission system comprises the worm screw that stretches out the drive motor end, the worm gear that is meshed with this worm screw, be rotating between worm gear and central rotating shaft, one free-wheel clutch is captiveed joint with worm gear, and another free-wheel clutch is captiveed joint with central rotating shaft, and two free-wheel clutchs join by axle sleeve and chain drum.
2, drive mechanism of electric motor car according to claim 1 is characterized in that: described central rotating shaft two ends are stretched out casing and are connected with footstep mechanism, and worm gear is connected on the central rotating shaft by bearings, and central rotating shaft is connected on the casing by bearings.
3, drive mechanism of electric motor car according to claim 1 and 2 is characterized in that: described free-wheel clutch is a ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99243378 CN2395977Y (en) | 1999-09-26 | 1999-09-26 | Transmission mechanism for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99243378 CN2395977Y (en) | 1999-09-26 | 1999-09-26 | Transmission mechanism for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395977Y true CN2395977Y (en) | 2000-09-13 |
Family
ID=34029686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99243378 Expired - Fee Related CN2395977Y (en) | 1999-09-26 | 1999-09-26 | Transmission mechanism for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395977Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079901A1 (en) * | 2007-12-24 | 2009-07-02 | Foster Assets Corporation | Electrically power assisting bicycle with combined power unit and transmission device thereof |
| CN102611244A (en) * | 2011-01-25 | 2012-07-25 | 金碧波 | Transmission mechanism of automatic variable-speed motor of electric bicycle |
| CN109292034A (en) * | 2018-10-15 | 2019-02-01 | 鹤壁维达科巽电气有限公司 | A kind of concealed built-in motor |
| CN112078712A (en) * | 2020-10-26 | 2020-12-15 | 周大海 | Hybrid range extender and reverse clutch separation and energy recovery mechanism of electric vehicle |
-
1999
- 1999-09-26 CN CN 99243378 patent/CN2395977Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079901A1 (en) * | 2007-12-24 | 2009-07-02 | Foster Assets Corporation | Electrically power assisting bicycle with combined power unit and transmission device thereof |
| CN102611244A (en) * | 2011-01-25 | 2012-07-25 | 金碧波 | Transmission mechanism of automatic variable-speed motor of electric bicycle |
| CN102611244B (en) * | 2011-01-25 | 2015-07-15 | 金碧波 | Transmission mechanism of automatic variable-speed motor of electric bicycle |
| CN109292034A (en) * | 2018-10-15 | 2019-02-01 | 鹤壁维达科巽电气有限公司 | A kind of concealed built-in motor |
| CN112078712A (en) * | 2020-10-26 | 2020-12-15 | 周大海 | Hybrid range extender and reverse clutch separation and energy recovery mechanism of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |