Magnetic suspension reset optical axis key switch and keyboard

The utility model relates to a magnetic suspension reset optical axis key switch and keyboard, including switch shaft, PCB board and magnetic shaft seat, the PCB board is equipped with infrared emitter and infrared receiver, switch shaft is located between infrared emitter and infrared receiver and is installed on PCB board, magnetic shaft seat is arranged below switch shaft, the magnetic shaft seat is equipped with the infrared emitter and infrared receiver, and the magnetic shaft seat is equipped with the infrared emitter and infrared receiver. A magnetic shaft core capable of moving up and down is arranged in the switch shaft, a light hole is formed in the magnetic shaft core, and when the light hole, the infrared transmitter and the infrared receiver are located on the same straight line, the infrared transmitter and the infrared receiver are in signal connection. According to the utility model, the optical shaft rebounds and resets by means of the interaction between the first magnet in the magnetic shaf