阅读说明：本技术 具有功率分流的电动自行车 (Electric bicycle with power split ) 是由 恩瑞科·多普内 艾米尔·奥普洛 塞巴斯蒂安·斯托尔 克里斯蒂安·沃思 于 2018-05-18 设计创作，主要内容包括：本发明涉及一种用于自行车(1)的电驱动器(2),所述电驱动器包括：具有驱动轴(8)的电动马达(5)；从动轴,不可转动地连接至驱动轮(11)以与自行车(1)的轮驱动器(4)耦联的从动轴(6)；变速器(7),其将驱动轴(8)驱动连接到从动轴(6),-其中,变速器(7)包括：在驱动转动方向(13)上不可转动地连接到从动轴(6)的从动轮(12),以及至少两个输出轮,即第一输出轮(14)和第二输出轮(15),其分别与从动轮(12)啮合以驱动从动轮,并在圆周方向(16)相互错开；其中,变速器(7)具有将电动马达(5)的驱动功率分配到输出轮(14、15)的功率分流(17)。(The invention relates to an electric drive (2) for a bicycle (1), comprising: an electric motor (5) having a drive shaft (8); a driven shaft non-rotatably connected to the driven wheel (11) for coupling with a driven shaft (6) of a wheel drive (4) of the bicycle (1); a transmission (7) drivingly connecting the drive shaft (8) to the driven shaft (6), -wherein the transmission (7) comprises: a driven wheel (12) connected to the driven shaft (6) in a rotationally driving direction (13) in a non-rotatable manner, and at least two output wheels, namely a first output wheel (14) and a second output wheel (15), which are respectively engaged with the driven wheel (12) to drive the driven wheel and are offset from each other in a circumferential direction (16); the transmission (7) has a power split (17) that distributes the drive power of the electric motor (5) to the output wheels (14, 15).)

1. An electric drive (2) for a bicycle (1), comprising:

an electric motor (5) having a drive shaft (8),

-a driven shaft (6) non-rotatably connected to a driving wheel (11) for coupling with a wheel drive (4) of the bicycle (1),

-a transmission (7) drivingly connecting the drive shaft (8) to the driven shaft (6),

-wherein the transmission (7) has: a driven wheel (12) non-rotatably connected to the driven shaft (6) in a driving rotation direction; and at least two output wheels, a first output wheel (14) and a second output wheel (15), which are respectively engaged with the driven wheel (12) to drive the driven wheel (12) and are mutually staggered in a circumferential direction (16);

-wherein the transmission (7) has a power split (17) which distributes the drive power of the electric motor (5) to the output wheels (14, 15).

2. Drive (2) according to claim 1, characterized in that the transmission (7) has a planetary transmission (20) which is coupled on the input side to the drive shaft (8) and on the output side via the power split (17) to the output wheels (14, 15).

3. Drive (2) according to claim 1 or 2, characterized in that a first axis of rotation (33) about which the first output wheel (14) rotates and a second axis of rotation (34) about which the second output wheel (15) rotates are fixedly arranged inside the transmission (7).

4. Drive (2) according to one of the preceding claims, characterized in that a first axis of rotation (33) about which the first output wheel (14) rotates and a second axis of rotation (34) about which the second output wheel (15) rotates are geometrically arranged between a driven axis (10) about which the driven shaft (6) rotates and a drive axis (9) about which the drive shaft (8) rotates.

5. Driver (2) according to any of the preceding claims,

the transmission (7) has a planetary transmission (20) having a sun gear (21), at least two planet gears (22), a planet carrier (23) and a ring gear (24),

-the ring gear (24) is non-rotatably connected to the first output wheel (14).

6. Drive (2) according to claim 5, characterized in that the planet carrier (23) is non-rotatably connected to an intermediate wheel (25) which meshes with the second output wheel (15).

7. Driver (2) according to claim 5 or 6,

-the sun wheel (21) is non-rotatably connected to a sun shaft (26), the sun shaft (26) is non-rotatably connected to an input wheel (27),

-the drive shaft (8) is non-rotatably connected to a drive wheel (28), the drive wheel (28) being in engagement with the input wheel (27).

8. Drive (2) according to one of the preceding claims, characterized in that the output wheels (14, 15) are plastic wheels.

9. Drive (2) according to one of the preceding claims, characterized in that the driven wheel (12) is connected to the driven shaft (6) by means of a freewheel assembly (30), the freewheel assembly (30) transmitting torque from the driven wheel (12) to the driven shaft (6) in a driving direction of rotation (13) and allowing relative rotation between the driven wheel (12) and the driven shaft (6) in a counter-direction of rotation (31) opposite to the driving direction of rotation (13).

10. Driver (2) according to any of the preceding claims,

-the driven shaft (6) is designed as a hollow shaft and is coaxially passed through by the pedal crankshaft (3),

-the pedal crank shaft (3) is non-rotatably connected to the driven shaft (6) in a driving rotation direction (13).

11. Drive (2) according to claim 10, characterized in that the pedal crank shaft (3) is connected to the driven shaft (6) by a freewheel assembly (32), which freewheel assembly (32) transmits torque from the pedal crank shaft (3) to the driven shaft (6) in a driving rotation direction (13) and allows relative rotation between pedal crank shaft (3) and driven shaft (6) in a counter rotation direction (31) opposite to the driving rotation direction (13).

12. Driver (2) according to any of the preceding claims,

-the drive shaft (8) is rotated about a drive axis (9),

-the driven shaft (6) rotates about a driven axis (10),

-the driving axis (9) is parallel to the driven axis (10) and arranged radially spaced from the driven axis (10).

13. Drive (2) according to one of the preceding claims, characterized in that the output wheels (14, 15) are geometrically arranged between the drive shaft (8) and driven shaft (6).

14. Bicycle (1) comprising:

-a pedal crank shaft (3),

-a wheel drive (4) for driving a driven wheel of the bicycle (1),

-an electric drive (2) according to any of the preceding claims.

15. Bicycle (1) according to claim 14, characterized in that the output wheel (14, 15) is arranged on the side of the driven shaft (6) facing away from the ground when the bicycle (1) is standing still on the ground or is running on the ground.

16. A bicycle according to claim 14 or 15, characterised in that the transmission (7) is arranged above the driven shaft (6) except for the driven wheel (12) when the bicycle (1) is standing still on the ground or is running on it.