Water purifying and filtering device

The utility model relates to the field of purifying equipment, in particular to a water purifying and filtering device. The water purifying and filtering device comprises a tank body; the filter is positioned in the tank body; the filter comprises a bottom plate, a first filter element and a top plate; the bottom plate is fixed at the bottom of the tank body; the top plate is arranged in the tank body in a sliding manner; water permeable holes are formed in the bottom plate and the top plate; the first filter element is positioned between the top plate and the bottom plate; the driving mechanism is used for driving the top plate to vertically move so as to compress the first filter element or unfold the first filter element. The driving mechanism pushes the top plate to compress the first filter element, so that the filtering effect of the first filter element is changed. Therefore, the filtering effect of the first filter element can be flexibly adjusted according to the impurity content of the water to be t