Anti-blocking device of liquid cooling system

The utility model discloses an anti-blocking device for a liquid cooling system, and relates to the technical field of liquid cooling pipelines. The check valve comprises a valve body and a valve rod, an adjusting bin is arranged in the valve body, liquid passing pipelines are arranged at the two ends of the adjusting bin, a check valve and a filter are installed in the liquid passing pipelines, first connecting threads are arranged at the two ends of the check valve, and second connecting threads are arranged at the two ends of the filter. The filter is in threaded connection with the first connecting threads through the second connecting threads. By arranging the filter and the one-way valve, the pH test paper in the filter can detect the pH value of a solution so as to provide a judgment basis for solution deterioration, the one-way valve can prevent liquid from flowing according to the designed flowing direction of the solution, and the filter screen can filter impurities in the solution to prevent impuri