Residual drinking water collecting device for pig farm

The utility model discloses a drinking residual water collecting device for a pig farm, which belongs to the field of residual water collecting devices and comprises a base and a machine body, one side of the top of the base 1 is fixedly connected with the bottom of the machine body through a support column, the middle of the top end of the base is fixedly connected with a purifying box, and the other side of the top of the base is fixedly connected with a water collecting box. One side of the top of the machine body is movably connected with a first hinge bearing, and one side of the top of the machine body is movably connected with a first cover body through the first hinge bearing; by arranging the purifying box, the ozone generator, an activated carbon filter screen, an ultraviolet lamp and a lens, in the using process of the drinking residual water collecting device, water needs to be sterilized, when filtered water enters the purifying box from the first drainage pipe, sterilization is conducted through