Device for automatically adding washing agent in drum washing machine

The utility model discloses a device for automatically adding a washing agent in a drum washing machine. The device comprises a washing agent box, a liquid level sensor, an electromagnetic pump component and a bracket, wherein the upper part of the washing agent box is provided with a filling opening; a screw nut is arranged at the filling opening; the washing agent box is connected with the bracket through the screw nut, is internally provided with the liquid level sensor and is connected with the electromagnetic pump component through a pipeline; and the electromagnetic pump component is fixed on the washing agent box and is provided with a washing agent delivery pipe. The device can be used for adding the washing agent automatically, and ensures the using amount of the washing agent to be accurate so as to improve the intellectualization of clothes washing and the cleanliness of washed clothes.