Suspension-type electric sliding door

The utility model discloses a suspension-type electric sliding door, comprising a main frame, a door leaf, a sliding motor, a door leaf fixing piece, a gear and a rack, wherein the sliding motor and the door leaf fixing piece are arranged in the main frame; the gear is connected with the output end of the sliding motor; the rack is arranged on the door leaf fixing piece; the lower part of the main frame is provided with an outside extending part and an inside extending part; an opening is formed between the outside extending part and the inside extending part; the lower part of the door leaf fixing piece extends out of the opening; the door leaf is fixedly arranged at the lower part of the door leaf fixing piece; the inside extending part is further provided with a rail; the rail is internally provided with a sliding block; the sliding block is fixedly connected with the door leaf fixing piece; the door leaf fixing piece is of an I-shaped structure; the rack is fixedly arranged at the inner side of the upper part of the door leaf fixing piece with the I-shaped structure; the door leaf is fixedly arranged at the inner side of the lower part of the door leaf fixing piece with the I-shaped structure; a locking mechanism is further arranged between the main frame and the outer side of the upper part of the door leaf fixing piece with the I-shaped structure. The suspension-type electric sliding door has the advantages that the service life can be prolonged, and the safety performance is high.