US Patent 9835276 Quick-seal connecting component

A quick-seal connecting component includes a first sealing ring, an expansion pipe and pipe joint with front and rear running through; the joint is assembled to a pipe in sealing engagement by the first sealing ring and the expansion pipe. The expansion pipe is sleeved on the outer wall of the pipe type joint. The first sealing ring is sleeved on the outer wall of the expansion pipe. The pipe type joint of the connecting component is assembled to the toilet pipe by the first sealing ring, the expansion pipe and the second sealing ring.