Fish tank filter

Abstract

The utility model discloses a fish tank filter, relates to the technical field of water quality filtration, and is used for solving the problem in the prior art that wastes are difficult to flush out of a rolling framework when a filter screen carried on the rolling framework is backwashed. The fish tank filter comprises a water container, a rolling framework and a washing nozzle, the rolling framework is cylindrical, the rolling framework is rotationally arranged in the water container, the rolling framework is transversely arranged and used for carrying a filter screen, the washing nozzle faces the rolling framework, a flow guide part is arranged in the rolling framework, and the flow guide part is used for guiding the flow guide part to flow. The rolling framework is rotatably arranged relative to the flow guide part, the flow guide part comprises a flow guide groove, the flow guide groove is arranged upwards and is transversely and obliquely arranged, and the lower end of the flow guide groove is connected with a sewage discharge nozzle. The device has the beneficial effect that waste can be discharged from the interior of the rotating framework.

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