Portable water injection puncher for sweet potatoes

The utility model discloses a portable water injection puncher for sweet potatoes, which comprises a main cylinder 1, an upper cover 2 is mounted at the upper end of the main cylinder 1, and the uppercover 2 is connected with a water tank 4 through a water injection pipe 3; a conical water collecting head 5 is mounted at the lower end of the main barrel 1, and a water injection punching rod 6 ismounted at the lower end of the water collecting head 5; a turning plate 8 is installed at the inner bottom end of the water collecting head 5 and provided with a side shaft 9, the side shaft 9 penetrates through a through hole in the side wall of the bottom end of the water collecting head 5 after being sleeved with a water blocking ring 10, a lug 11 is arranged outside the side wall of the bottom end of the water collecting head 5 and located at the through hole, and the side shaft 9 is provided with a pin shaft hole. The end part of the side shaft 9 is connected with a cross rod 12. The potato planter is small and f