Height-adjustable pet kettle base

The height-adjustable pet kettle base comprises a base body and a pet kettle, a containing cavity is formed in the base body, the top end of the containing cavity is of an opening structure, a sliding groove opening is vertically formed in one side of the base body, the top end of the sliding groove opening is of an opening structure, and a check block structure is slidably connected into the sliding groove opening. The stop block structure comprises a sliding column, the two ends of the sliding column are fixedly connected with two circular plates respectively, the sides, close to each other, of the two circular plates are fixedly connected with two extrusion silica gel ring pads respectively, the sliding column is slidably connected into the sliding groove opening, one circular plate is located in the containing cavity, and the other circular plate is located on the outer side of the base. Stepless adjustment is carried out on the height of the pet kettle in the mode that an inclined pipe in the pet kettle