Filter valve for heating and ventilation

The utility model belongs to the technical field of filter valves. The utility model relates to a filter valve. The filter comprises a main runner and a filter runner inserted into the main runner, afilter element is inserted into an inner cavity of the filter flow channel; the top of the filter element is connected with an elastic clamping block; a clamping hole corresponding to the elastic clamping block in position is formed in the top of the filtering flow channel; the elastic clamping blocks are clamped in the clamping holes; a clamping edge is arranged at the left end of the filter element; a groove corresponding to the clamping edge in position is formed in the inner wall of the left end of the filtering flow channel; the clamping edge is clamped on the left side of the groove; thetop of the filtering flow channel is connected with a heat insulation shell; the right end of an inner cavity of the heat insulation shell is connected with a spring, the left end of the spring is connected with a rotating sh