Carbon brush motor

• Main Author: FANG SHAOLIN
• Format: Patent
• Language: English
• Published: 03.06.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CURRENT COLLECTORS; ELECTRICITY; LINE CONNECTORS

The utility model discloses a carbon brush motor, comprising a permanent magnet, a rotating shaft coil, a bracing frame, a motor commutator and a carbon brush apparatus. The rotating shaft coil is installed in the permanent magnet; the bracing frame is installed at two axial ends of the permanent magnet; the motor commutator is fixedly mounted to the rotating shaft of the rotating shaft coil; the carbon brush apparatus includes a carbon brush supporting seat, a touch switch, a connection sheet, and a carbon brush, a spring and a shaft rod located in the carbon brush supporting seat; one end of the carbon brush is in contact with the motor commutator, and the other end is in connection with the shaft rod; the shaft rod penetrates the carbon brush supporting seat and extends outwards; one end of the connection sheet is in fixed connection with an extending end of the shaft rod, and the other end is provided with the touch switch; the spring sleeves the shaft rod, allowing the carbon brush and the touch switch to always move towards the direction of the motor commutator; the touch switch moves and contacts an end surface of the carbon brush supporting seat to trigger an alarm of replacing a touch brush. The carbon brush motor has a simple structure and simple manufacturing processes.