Abstract: Provided is a sealing cover including a cover body and a wire fixing part; the cover body includes a top cover and a side wall, and the cover body is of a half-surrounded structure; the wire fixing part includes a bottom plate and a side plate, the bottom plate is arranged in the cover body, a wire accommodating space is formed by the top cover and the side wall of the cover body and the bottom plate, and a fitting space is formed by the side wall and a side of the bottom plate that opposite to the wire accommodating space; the side plate is arranged in the wire accommodating space, and wire guide slots are formed between the side plate and the bottom plate; and the guide holes are arranged on the bottom plate.