Compact-structure air inlet valve integrated with air inlet valve

An air inlet is formed in the lower portion of a valve body, an air outlet is formed in the lower portion of the valve body, an emptying block is arranged on the side face of the valve body, the emptying block is connected with an air cylinder through a connecting air pipe, one end of the air cylinder is hinged to the valve body, the other end of the air cylinder is hinged to a connecting rod, and the connecting rod is connected with a switch valve plate and drives the switch valve plate to rotate. The upper portion of the valve body is provided with an air release channel, the air release channel is connected with an air release port, the side face of the valve body is provided with a pressure adjusting nut, the inner side of the air inlet is provided with an air inlet adjusting nut, the air inlet adjusting nut is matched with an air inlet adjusting shoulder, and the air inlet is provided with a plurality of fixing holes. The utility model has the advantages of compact structure, reduced whole valve height,