Shallow mounting type fixing device of pedal air bag switch for water outlet of pneumatic valve

A shallow installation type fixing device of a pedal air bag switch for water outlet of a pneumatic valve comprises an air bag, a U-shaped clamp and a valve cover. The U-shaped clamp is an annular pipe clamp seat provided with a broken notch, and the pipe clamp seat is provided with a plurality of first axially-through connecting holes and a plurality of second radially-through connecting holes. The notch is formed by butt joint of arc-shaped notches on the two sides; the valve cover is a cover body which is provided with a central round hole and a cover brim, and the cover body is provided with a plurality of axially-through third connecting holes and a plurality of radial notches in the bottom edge; the air bag is located on the ground or in a round hole nest of a ceramic tile, the U-shaped clamp surrounds the air bag to keep a spacing distance, and the exhaust pipe penetrates out of the arc-shaped notch. A plurality of first self-tapping screws are tapped into the second connecting holes from the inside of