▎ 摘　　要

NOVELTY - The utility model claims a graphene water purifying multi-stage filter core device, comprising graphene water purifying multi-stage filter core device, comprising a base, a primary filter element and secondary filter element, a primary filter core and two-stage filter core comprises a shell and an inner pipe; the bottom of the inner tube is provided with a supporting foot, the side wall of the inner pipe is set on the framework, the bottom of the shell is provided with a water inlet, the right side wall of the inner pipe is provided with a water outlet, the top of the inner pipe is provided with a cleaning port, the top of the four corners of the pedestal are provided with a supporting column, the top part of the supporting column is provided with a limiting plate; the left and right two sides of the top of the base is provided with a limiting sleeve, the cavity side wall of the two groups of limiting sleeve are provided with a limiting ring, a primary filter core and two-stage filter core bottom are provided with a spring, a primary filter core of the water outlet and the water inlet of the second stage filter core is provided with a connecting pipe. At the same time, this utility model can fully filter the water, which can realize back-flushing filter core of the device, improve the cleaning effect, prolongs the service life.