Water outlet device and water outlet system

A water outlet device, comprising:

• a housing assembly provided with a water inlet flow channel and at least one water outlet hole;
• a moving mechanism movably mounted in the housing assembly and movable relative to the housing assembly along a first direction, wherein the moving mechanism is provided between each water outlet hole and the water inlet flow channel, the moving mechanism is provided with a first groove, the first groove is communicated with the water inlet flow channel, the moving mechanism is provided with a first groove wall and a second groove wall opposite to each other along the first direction, the first groove wall and the second groove wall define the first groove, the first groove wall and the second groove wall are arranged so that water acting forces acting on the first groove wall and the second groove wall are able to be at least partially counteracted;
• and
• a driving member movably connected to the housing assembly, wherein the driving member is movable relative to the housing assembly so as to drive the moving mechanism to move relative to the housing assembly along the first direction, so that the water outlet hole corresponding to the moving mechanism is communicated with or disconnected from the water inlet flow channel.