A ramp and a seat seal anchor device, the shaft of the seat seal anchor device is a central tube provided with a strip hole, the ramp is axially pierced with a hollow short joint, and the upper end of the short joint is The upper joint is threadedly connected, and a sealing tube with a strip hole is also set in the middle of the contact surface inside the central tube. One end of the sealing tube is closed, and the other end is connected to the lower end of the throwing short joint; the italic body A recovery through-hole is arranged laterally on the upper end, and the inner diameter of the end of the center pipe close to the end of the throwing joint becomes larger and the inner wall thereof is provided with a recovery thread one.

As a further technical solution, the building block and the anchoring device are connected through a tubular connector, one end of the connecting body is threaded with the anchoring device, and the other end is connected to the anchoring device. An interference connection and a fastening ring are provided at the joint; the lower end of the hands-off short joint is threaded on the inner wall of the connection, and the inner wall of the lower end of the hands-off joint is connected with the sealing pipe by reverse threads.