Convenient switch device for electric piano

The utility model discloses a convenient switch device for an electric piano, which comprises a piano body, a push-and-pull cover plate expansion joint is arranged on the piano body, a push-and-pull cover plate is mounted on the piano body, a magnetically controlled switch is arranged at the push-and-pull cover plate expansion joint, and a magnet matched with the magnetically controlled switch is arranged at the rear end of the push-and-pull cover plate. Compared with the prior art, the electric piano sounding device has the advantages that: 1, after a user finishes playing, the electric piano push-pull cover plate is closed, so that the electric piano sounding device can be disconnected from a power supply, and the power utilization cost is effectively saved for the user; 2, the operation is simple and convenient, the power supply of the electric piano sounding device can be completed by closing the electric piano push-pull cover plate, and the power supply of the electric piano sounding device can be automa