Waterproof sleeve convenient to maintain

The utility model relates to a waterproof facility for engineering construction. The utility model relates to a waterproof sleeve, in particular to a convenient-to-maintain waterproof sleeve. The pipecomprises a pipe body, a waterproof wing ring, a first waterproof rubber ring, a waterproof cover and a fixed pipe, the outer wall of the pipe body is fixedly connected with the waterproof wing ring;placing grooves are formed in the two ends of the inner wall of the pipe body correspondingly. The first waterproof rubber ring is positioned in the placement groove; the two waterproof covers are located at the two ends of the pipe body respectively. Wherein one end of the waterproof cover is fixedly connected with the fixing pipe, the waterproof cover is in threaded connection with the pipe body, the fixing pipe penetrates into the pipe body and presses the first waterproof rubber ring, the waterproof cover comprises a cover body, a second waterproof rubber ring and a fixing ring, and the second waterproof rubber ri