Patent ID: 11959335
Assignee: NINGBO SUNFREE MOTOR TECHNOLOGY COMPANY LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E  H | IPC E

Claim 0:
1. A manual switching type drive device, wherein the device comprises an outer tube, and a speed reducer, a motor core, an electrical control board, a power source—and a travel unit are provided in the outer tube; the travel unit is connected to one end of the outer tube proximate to the power supply; the electrical control board is fixed through a fixing bracket inside the outer tube a head portion of the travel unit positioned outside the outer tube; the electrical control board is provided with a voltage sensor for controlling the stop and start of the drive device; the electrical control board is further provided with a trigger switch to turn on or off a circuit so that the voltage sensor senses a change of a voltage; the fixing bracket is provided with a slide piece which can be abutted against or separated from the trigger switch to enable the trigger switch to turn on or off the circuit to change the voltage; the slide piece is connected with an actuator capable of driving the slide piece to abut against or separate from the trigger switch; an end of the actuator penetrates through the travel unit and extends below the travel unit.