一种电助力自行车的动力系统

Abstract

本实用新型公开了一种电助力自行车的动力系统，其包括外壳，外壳上设置有主轴，主轴的上设置有主动齿轮，主动齿轮啮合连接有第一从动齿轮，第一从动齿轮连接在第一介轮轴上，第一介轮轴上还设置有第二从动齿轮，第二从动齿轮与第三从动齿轮配合连接，第三从动齿轮固定在第二介轮轴上，第二介轮轴上设置有第四从动齿轮，第四从动齿轮啮合连接有第五从动齿轮，第五从动齿轮固定在电机轴上，电机轴上固定连接有多个磁铁动轮，多个磁铁动轮之间设置有定轮线圈，磁铁动力旋转同时，磁力线与定轮线圈产生磁力线的切割，使定轮线圈产生电能并储存。本实用新型达到了将人力产生的动力转化为绿色电能供助力自行车使用，提升能源利用和环保性的效果。

Claims

1. A power system for an electrically assisted bicycle, characterized in that: The device includes a housing (1), on which a main shaft (2) is mounted. A drive gear (3) is mounted on the main shaft (2). The drive gear (3) meshes with a first driven gear (4). The first driven gear (4) is connected to a first intermediate gear shaft (5). A second driven gear (6) is also mounted on the first intermediate gear shaft (5). The second driven gear (6) is connected to a third driven gear (7). The third driven gear (7) is fixed to a second intermediate gear shaft (8). A fourth driven gear (9) is provided on the second intermediate gear shaft (8). The fourth driven gear (9) is meshed with a fifth driven gear (10). The fifth driven gear (10) is fixed on the motor shaft (11). Multiple magnet wheels (12) are fixedly connected on the motor shaft (11). A fixed wheel coil (13) is provided between the multiple magnet wheels (12). When the magnet rotates, the magnetic lines of force cut the magnetic lines of force with the fixed wheel coil (13), so that the fixed wheel coil (13) generates and stores electrical energy.

2. A power system for an electrically assisted bicycle according to claim 1, characterized in that: The outer casing (1) is provided with a first groove (14), and a first bearing (15) is provided in the first groove (14) to cooperate and connect with the main shaft (2) and the motor shaft (11).

3. A power system for an electrically assisted bicycle according to claim 1, characterized in that: An outer end cap (16) is provided on one side of the outer shell (1), and the outer shell (1) and the outer end cap (16) are fixed together by an outer screw.

4. A power system for an electrically assisted bicycle according to claim 3, characterised in that: The outer end cover (16) is provided with a second groove (17), the main shaft (2), the first intermediate wheel shaft (5) and the second intermediate wheel shaft (8) pass through the outer end cover (16), and a second bearing (18) is provided in the second groove (17) to cooperate and connect with the main shaft (2), the first intermediate wheel shaft (5) and the second intermediate wheel shaft (8).

5. A power system for an electric assist bicycle according to claim 1, characterized in that: The outer shell (1) and the outer end cover (16) form a space to accommodate the power system. An inner end cover (19) is provided inside the space and is fixed to the outer shell by fixing bolts.

6. The power system of an electric-assisted bicycle according to claim 1, characterized in that: The fixed wheel coil (13) is provided with outer wheel washers (20) on both sides, and the outer wheel washers (20) are provided on the inner wall of the outer shell.

7. A power system for an electric assist bicycle according to claim 1, characterized in that: A moving wheel washer (21) is provided at one end of the fixed wheel coil (13) near the motor shaft (11). The moving wheel washer (21) is located on the outer wall of the motor shaft (11) and maintains a certain distance from the fixed wheel coil (13).

8. A power system for an electrically assisted bicycle according to claim 5, characterized in that: The inner end cover (19) is provided with a third groove (22), and a third bearing (23) is provided in the third groove (22) to cooperate and connect with the intermediate wheel shaft and the motor shaft (11).

Images