Self-blocking-clearing sprayer

The utility model provides a self-blocking-clearing sprayer which comprises a thimble, an outer shell body and an inner core placed at an inner cavity of the outer shell body. An outer shell water inlet is formed in the top of the outer shell body. An atomization opening is formed in the bottom of the outer shell body. An inner core overflowing hole communicated with the outer shell water inlet is formed in the top of the inner core. An inner core confluence channel is arranged at the bottom of the inner core overflowing hole. The bottom of the inner core confluence channel is communicated with the atomization opening through an inner core water outlet formed in the bottom of the inner core. The thimble comprises a thimble cap and a thimble rod. The thimble cap is in abutting connection into the inner core overflowing hole through a spring. A thimble water inlet is formed in the thimble cap. One end of the thimble water inlet is communicated with the outer shell water inlet. The other end of the thimble water inlet is communicated with the inner core overflowing hole. The gas sprayer can carry out self cleaning without detaching, according to the design, the structure is simple, and the trouble of time loss and manpower wasting caused by the fact that the gas sprayer needs to be stopped for atomization opening cleaning can be solved.