Air pump for an inflatable product and an inflatable product with a built-in air pump

An air pump assembly, comprising:

• an inflatable body comprising a side wall defining an inflation cell;
• a shell located on the side wall and defining an internal chamber and an air valve, the air valve being in fluid communication with the internal chamber and the inflation cell;
• an air pump comprising a pump body that at least partially encloses a space, the pump body comprising an air inlet and an air outlet;
• a pump cover located in the pump body between the air inlet and the air outlet and configured to divide the space into an inlet space and an outlet space, the pump cover comprising an opening;
• and an impeller located in the air outlet space;
• wherein when the impeller rotates, air enters the air inlet and is transferred through the inlet space through the opening to the outlet space and out of the pump body through the air outlet;
• and wherein the air pump is moveable within the internal chamber between a first position in which the air outlet is connected to the air valve, and a second position in which the air inlet is connected to the air valve.