Patent ID: 7735208

Claim:
A method for assembling a pipe conduit, comprising: providing a first pipe unit, a second pipe unit and a third pipe unit, wherein the first pipe unit comprises a pipe body, a first pipe flange, a second pipe flange and an adjusting structure, the pipe body has a first end and a second end, the first pipe flange and the second pipe flange are respectively disposed on the first end and the second end, the adjusting structure is disposed between the first pipe flange and the second pipe flange, the second pipe unit and the third pipe unit respectively have a third pipe flange and a fourth pipe flange, the third pipe flange and the fourth pipe flange are separated at a pipe unit assembly distance, the adjusting structure comprises at least a shaft unit, the shaft unit includes a rack, a gear and a shaft, the rack is engaged with the gear, and the gear is coupled with the shaft; adjusting the adjusting structure for enabling the length of the first pipe unit to be smaller than the pipe unit assembly distance; disposing the first pipe unit between the second pipe unit and the third pipe unit, wherein the first pipe flange and the second pipe flange correspond to the third pipe flange and the fourth pipe flange, respectively; and adjusting the adjusting structure for enabling the first pipe flange and the second pipe flange to be coupled with the third pipe flange and the fourth pipe flange, respectively.