Dishwasher water channel, base for dishwasher, and dishwasher

A dishwasher water channel, integrated in a base of a dishwasher and comprising:

• a water distribution chamber,
• a flow guidance channel, and
• a spray arm;
• wherein:
• the flow guidance channel has one end which communicates with the water distribution chamber, and the other end which communicates with the spray arm;
• the water distribution chamber is disposed at a side of a water cup, the flow guidance channel extending from an outer wall of the water distribution chamber toward a rear end of the base and communicating with the spray arm at the rear end of the base;
• and
• a spray arm seat is provided between the spray arm and the flow guidance channel and penetrates the base, wherein the spray arm is connected to a top of the spray arm seat and is located above the base to spray water out of the spray arm seat, and the flow guidance channel is connected to a bottom of the spray arm seat and located below the base for introducing water from the water distribution chamber into the spray arm seat.