Water sample filtering device for microbiological detection

The utility model discloses a water sample filtering device for microbiological detection, which relates to the technical field of filtering devices and comprises a base and a shell. A filter shell is clamped in a placement groove in the top end of the base, a liquid outlet is formed in the bottom end of the filter shell, an electromagnetic valve is fixed to the front end of the outer side face of the liquid outlet, a liquid outlet pipe is arranged at the bottom end of the left side face of the base, a rubber ring is installed at the bottom end of a shell, and the bottom end of the shell is clamped with the interior of the filter shell; the filter paper is placed in the filter shell, the shell is installed in the filter shell, a fixing unit is arranged on the rear side face of the base, and a cleaning unit is arranged in the base; the water sample filtering device further comprises a controller, the controller is arranged on the left side face of the base, the input end of the electromagnetic valve is electri