An electric outboard motor for a boat, comprising a main body (1), a motor (2), a motor controller (3), a motor mounting case (4), a paddle (5), a paddle shaft (6), a speed-adjusting handle assembly (7) and a main body overturning locking mechanism (8);
- wherein, the motor mounting case (4) is mounted on the main body (1), the motor (2) and the motor controller (3) are arranged inside the motor mounting case (4), the motor (2) is electrically connected with the motor controller (3), one end of the paddle shaft (6) is arranged in the main body (1), the other end extends out of the main body (1) and is sleeved with the paddle (5), and a motor shaft of the motor (2) is in transmission connection with one end of the paddle shaft (6) through a transmission component (9);
- the speed-adjusting handle assembly (7) is hinged on the motor mounting case (4), the speed-adjusting handle assembly (7) includes a handle shell (7-1), a potentiometer (7-2) and a potentiometer mounting board (7-3), the potentiometer (7-2) and the potentiometer mounting board (7-3) are both arranged in the handle shell (7-1), the potentiometer (7-2) is electrically connected with the motor controller (3), and the potentiometer (7-2) is mounted on the potentiometer mounting hoard (7-3);
- the main body overturning locking mechanism (8) includes a spindle mounting base (8-2), a mounting hook (8-3) and a first spindle (8-4), and the spindle mounting base (8-2) is connected with the main body (1) in a rotation manner through the first spindle (8-4);
- the speed-adjusting handle assembly (7) further includes a speed-adjusting handle spindle (7-5), an axle sleeve (7-6), a handle sleeve (7-7), a button (7-8), a spring (7-9) and a stop block (7-10);
- one end of the handle shell (7-1) is fixedly connected with the stop block (7-10), the handle sleeve (7-7) abuts against a stepped face of the stop block (7-10), the speed-adjusting handle spindle (7-5) is arranged in the handle shell (7-1) and connected with the handle shell (7-1) in a rotation manner, one end of the speed-adjusting handle spindle (7-5) is inserted into one end of the axle sleeve (7-6) and connected with the axle sleeve (7-6) through a first pin (7-11), the other end of the axle sleeve (7-6) is fixedly connected with the button (7-8), the axle sleeve (7-6) is connected with the stop block (7-10) in a rotation manner, and the axle sleeve (7-6) is connected with the handle sleeve (7-7) through a second pin (7-14);
- a potentiometer adjusting pole axle hole (7-5-1) is defined on the other end of the speed-adjusting handle spindle (7-5), an adjusting pole of the potentiometer (7-2) is inserted into the potentiometer adjusting pole axle hole (7-5-1) of the speed-adjusting handle spindle (7-5), the spring (7-9) is sleeved at the periphery of the speed-adjusting handle spindle (7-5), and one end of the spring (7-9) abuts against an axle bumper (7-5-2) on the speed-adjusting handle spindle (7-5) or a collar arranged on the speed-adjusting handle spindle (7-5), and the other end abuts against one end of the axle sleeve (7-6);
- a radial limit slot (7-10-1) and an axial stop projection (7-10-2) are defined on an end surface of one end of the stop block (7-10), the first pin (7-11) abuts against the limit slot (7-10-1) of the stop block (7-10), the handle sleeve (7-7) is rotated after the button (7-8) is pushed, and the first pin (7-11) is disengaged from the limit slot (7-10-1) of the stop block (7-10) and can abut against the stop projection (7-10-2).