Improved structure of air-blast sprayer

The utility model relates to an agricultural production tool and particularly relates to an improved structure of an air-blast sprayer. The air-blast sprayer comprises a body composed of an inflator (1), a pumping rod (2), a sprayer head (3) and a valve body, wherein a coke bottle connecting portion (4) and a pressing switch (5) for controlling the valve body are arranged on the wall of the inflator (1), two hinged shafts (6) are arranged at the position of the coke bottle connecting portion (4) of the inflator (1) and hinged to a hooked handle (7) and a pressing rod (8) respectively, one end of the pressing rod (8) abuts against the pressing switch (5), the other end of the pressing rod (8) abuts against a non-hand-held end of the hooked handle (7), and users can press the pressing switch (5) to open the valve body through a hand-held end of the hooked handle (7) under a lever effect of the pressing rod (8). The improved structure has the advantages of being simple in structure, low in production cost, conve