Coffee machine and water knockout drum thereof

The utility model provides a water knockout drum, it sets up the below that goes out the water water injection well choke in the coffee machine for the hot water that will extract coffee switches to the region of difference. The structure of water knockout drum mainly includes knob, water diversion disk and gondola water faucet. The water diversion disk is connected with the knob, and can rotate under the drive of knob. The gondola water faucet includes first region and second area, and the water diversion disk can switch over hot water to the first region or the second area of gondola water faucet. The utility model discloses a water knockout drum makes the water diversion disk and the different zone of gondola water faucet cooperate through rotatory water diversion disk, can change the flow direction of water and then realization waterway's conversion.