And switching valve core can be pressed to be closed

The utility model relates to a switchable valve core capable of being closed by pressing, a key of the switchable valve core is placed on a positioning tooth, and the lower part of the key and the positioning tooth are both arranged in a switchable knob with a hollow structure. A bottom plate of the positioning tooth is provided with a shaft hole, the core rod penetrates through the shaft hole, and the upper end of the core rod penetrates into the key inner cylinder. A V-shaped ring cover and a V-shaped ring seat are mounted in the valve body; the lower end of the core rod penetrates through ahole of the V-shaped ring cover and extends into the V-shaped ring seat 13; and the bottom end of the core rod is T-shaped and is wrapped by a cylindrical sealing block. A support water inlet hole isformed in the lower portion of the side face of the cylindrical sealing block, and a support overflowing hole is formed in the bottom of the cylindrical sealing block. And a ceramic moving plate anda ceramic static plate are