Discharge cold switching valve and its switching method

A discharge cold switching valve, wherein comprising:

• an operating member,
• a discharge cold switching member, a water outlet switching member;
• the discharge cold switching valve has a discharge cold channel, an water outlet channel, a first outlet water passage communicating with the water outlet channel and a second water outlet passage communicating with the water outlet channel;
• and when the operating member is in the initial position, the discharge cold switching member is located at the first position, the joint between the water outlet channel and the water inlet end is sealed by the discharge cold switching member, the discharge cold channel is opened;
• when the operating member is switched to the use position, the discharge cold switching member is moved by the operating member to the second position, the joint between the discharge cold channel and the water inlet end are sealed by the discharge cold switching member, and the water outlet channel is opened;
• when the water outlet channel is opened, the operating member is engaged with the water outlet switching member, and the operation member is further operated to drive the movement of the water outlet switching member so that one or both of the first water outlet passage and the second water outlet passage are opened.