Revolving switching device

A revolving switch device, comprising:

• a body provided with an upper inlet hole and a lower inlet hole which are spaced vertically apart from each other, the body further including a first water passage and an installation hole positioned between the upper inlet hole and said first water passage;
• and
• a plug, sealed and revolvably mounted in the installation hole, that is capable of revolving between a first position and a second position, said plug having an outer revolving surface provided with an arc groove, and a bottom of said plug having a hollow portion that forms a second water passage, said plug being provided with a connecting hole having an inner end connecting to said second water passage and an outer end disposed at the outer revolving surface,
• wherein when the plug is in the first position, said arc groove connects the upper inlet hole to the first water passage, and the outer end of the connecting hole is disconnected from the lower inlet hole,
• further wherein when the plug is in the second position, the outer end of the connecting hole connects the lower inlet hole and the second water passage, and the arc groove is disconnected from the first water passage.