Simple water changing device

The utility model discloses a simple water changing device which comprises a body, the body comprises a first connector communicated with a water supply device, a second connector communicated with a water injection assembly, a third connector and a first switch, and the first connector, the second connector and the water injection assembly are communicated to form a water injection channel. The third connector communicates with the water injection assembly and the second connector to form a water outlet channel, and the first switch controls opening or closing of the third connector. The utility model has a simple structure, and can inject water and drain water. 本实用新型公开了一种简易换水装置，其中，包括本体，本体包括与供水装置连通的第一接头、与注水组件连通的第二接头、第三接头以及第一开关，第一接头、第二接头与注水组件连通形成注水通道，第三接头与注水组件、第二接头连通形成出水通道，第一开关控制第三接头的打开或关闭；本实用新型结构简单、可注水、可排水。