Homodromous in-and-out two-position four-way reversal valve

The invention relates to a reversal valve, in particular to a homodromous in-and-out two-position four-way reversal valve. According to the technical scheme provided by the invention, the homodromous in-and-out two-position four-way reversal valve comprises a valve body, a reversal valve block and a guide plate, wherein the reversal valve block is composed of a first reversal valve block and a second reversal valve block; the lower surface of the valve body is provided with a first interface, a second interface, a third interface and a fourth interface, and the upper surface of the valve bodyis provided with a first installation reversal concave cavity and a second installation reversal concave cavity; the upper surface of the valve body is fixedly provided with a first reversal down tube and a second reversal down tube; and the guide plate is arranged above the valve body. The invention features reasonable and simple structure, convenient manufacturing and assembly, light self weight, low cost, low requireme