Filter device, faucet water purifier and spraying process thereof

A faucet water purifier, comprising:

• a case, a switch mechanism and a filter device, wherein the filter device comprises a first filter mechanism and a second filter mechanism, wherein the first filter mechanism is connected to the second filter mechanism, the first filter mechanism is configured to filter disinfectants, impurities, and organic matters in water, and the second filter mechanism is configured to filter germs in the water;
• wherein an inlet channel, a first outlet channel and a second outlet channel are provided on the case, the inlet channel is in communication with the first outlet channel, the inlet channel is in communication with the second outlet channel, the filter device is arranged in the second outlet channel;
• the switch mechanism is arranged in the inlet channel;
• when the switch mechanism is in a first position, the switch mechanism blocks the first outlet channel, and the inlet channel is in communication with the second outlet channel;
• and when the switch mechanism is in a second position, the switch mechanism blocks the second outlet channel, and the inlet channel is communication with the first outlet channel;
• and
• wherein the switch mechanism comprises a split-flow component, a switch component and a rotatable drive component;
• the split-flow component is fixed in the case, a first split-flow channel and a second split-flow channel are provided on the split-flow component, an outlet end of the first split-flow channel is in communication with the first outlet channel, an outlet end of the second split-flow channel is in communication with the second outlet channel;
• the switch component is rotatably and sealingly provided on the split-flow component;
• an L-shaped switch channel is provided on the switch component, an inlet end of the L-shaped switch channel is in communication with the inlet channel;
• when the switch mechanism is in the first position, an outlet end of the L-shaped switch channel is in communication with an inlet end of the second split-flow channel;
• when the switch mechanism is in the second position, the outlet end of the L-shaped switch channel is in communication with an inlet end of the first split-flow channel;
• and the rotatable drive component is rotatably provided on the case, and the rotatable drive component is fixedly connected to the switch component.