Municipal engineering road concave green belt water collecting and purifying device

The invention discloses a municipal engineering road concave green belt water collecting and purifying device which comprises a device body, a water storage tank and stored water, wherein the water storage tank is fixedly connected into the device body, the stored water is fixedly connected into the water storage tank, a connecting pipe is fixedly connected to one side of the outer wall of the stored water, a water pump is fixedly connected to the top end of the connecting pipe, an annular baffle is fixedly connected to the top end of a V-shaped groove, a second sliding groove is fixedly connected to the bottom end of stones, and a rotary adjusting switch is movably connected to the surface of the control adjusting panel; the second sliding groove can accelerate flowing of a water flow, and when a green belt needs irrigation, the rotary adjusting switch can be adjusted for irrigation; the water pump is connected with the connecting pipe and used for extracting water for the spraying mechanism to carry out irr