Anti-clogging cover and check valve using same

The utility model relates to an anti-clogging cover and a check valve using the same. The check valve comprises the anti-clogging cover; the anti-clogging cover comprises a top cover body with a water outlet; a drainage cover board is assembled in the top cover body in a guiding moving manner along the up-and-down direction; the water outlet is formed on the radial side wall of the top cover body; and the drainage cover board is provided with an outer lateral surface for plugging the water outlet. Compared with the prior art, the water outlet of the anti-clogging cover disclosed by the utility model is impacted by water flow, the drainage cover board cannot be driven by the water flow to move towards an open position, so that sediments are avoided entering the inside of the check valve from the water outlet to cause sedimentation; and the anti-clogging cover has a good anti-clogging effect and can be suitable for channels with water flow.