Power tool

摘要

A power tool includes a housing, a motor accommodated in the housing, a cooling fan arranged coaxially with the motor, a trigger switch configured to activate the motor, a motor control board on which a switching device is mounted to drive the motor, and a coupling unit provided below a bottom surface of the motor. The motor control board is fixed to the motor via the coupling unit such that the motor control board is disposed below the motor and above the trigger switch.

主权项

1. A power tool comprising:
a housing; a motor accommodated in the housing; a cooling fan arranged coaxially with the motor; a trigger switch configured to activate the motor; a motor control board on which a switching device is mounted to drive the motor; and a coupling unit provided below the motor, wherein the motor control board is fixed to the motor via the coupling unit such that the motor control board is disposed below the motor and above the trigger switch, wherein the coupling unit comprises a metallic junction plate and a resin plate cover insert-molded on the metallic junction plate, wherein the motor control board is fixed to the metallic junction plate such that the coupling unit and the motor control board are fixed to each other by the metallic junction plate, and wherein the metallic junction plate is configured as a jumper to complete a circuit on the motor control board.