Push-button locking cup lid and thermos cup

A push-button locking cup lid, comprising a top lid, an inner plug, and a double sealing valve structure mounted inside the top lid;

• a water outlet and a steam outlet are provided respectively on the top lid and the inner plug;
• wherein the double sealing valve structure comprises a button rod, a water outlet valve rod configured to open or close the water outlet, a steam outlet valve rod configured to open or close the steam outlet, a front spring, a rear spring, and a spring mounting box fixedly connected to the top lid;
• a first end of the water outlet valve rod is provided with an axial hole;
• two symmetrical holes are provided on a wall of the axial hole;
• a first end of the steam outlet valve rod is inserted into the axial hole;
• a position limiting pin is connected to the first end of the steam outlet valve rod;
• two ends of the position limiting pin pass through the two holes respectively;
• two ends of the front spring are fixedly connected to an inner front side wall of the spring mounting box and the position limiting pin respectively;
• two ends of the rear spring are fixedly connected to an inner rear side wall of the spring mounting box and the position limiting pin respectively;
• a water sealing silicone and a steam sealing silicone are provided on the water outlet valve rod and the steam outlet valve rod respectively;
• a middle part of the button rod is articulated to the top lid, and an upper end part of the button rod is articulated to a second end of the steam outlet valve rod;
• a side wall of the top lid which aligns with the button rod is provided with a slider switch which is capable of being moved up and down;
• a blocker is provided on the slider switch to block the second end of the steam outlet valve rod.