Mounting structure, lower water outlet tank, and air treatment device

A mounting structure for mounting a water outlet valve to a water tank body of a lower water outlet tank, wherein, the mounting structure comprises a rotating connection member on which the water outlet valve is disposed, and the rotating connection member comprises a rotating operation portion and a first cooperation portion connected with each other, wherein the mounting structure further comprises a second cooperation portion disposed on the water tank body, the rotating operation portion is rotated by a predetermined angle, such that the first cooperation portion and the second cooperation portion is converted between a first state of separation and a second state of mutual occlusion;

• the rotating connection member comprises a body, the first cooperation portion comprises a clamping slot provided on the body of the rotating connection member and extending along a circumferential direction of the rotating connection member, the second cooperation portion comprises a clamping protrusion that is inserted into the clamping slot, and the clamping protrusion extends from an outside to an inside in a radial direction of the rotating connection member;
• or, the first cooperation portion comprises a clamping protrusion provided on the body of the rotating connection member and extending along a circumferential direction of the rotating connection member, the clamping protrusion extends from an inside to an outside in a radial direction of the rotating connection member, and the second cooperation portion comprises a clamping slot that is cooperated with the clamping protrusion.