Abstract: Disclosed is a rotary suction cup, comprising a knob, a base, and a rubber bottom arranged from top to bottom, wherein the knob is connected with the rubber bottom, and the base is provided with a connecting portion for connecting a hanging object, and a through hole; the rotary suction cup further comprising: a pivot seat, arranged in the middle of the rubber bottom, and connected with the knob; a pivot tube, arranged in the knob, and sleeved on and moveably connected to the pivot seat; wherein, the pivot seat is axially moved along with the rotation of the pivot tube, the rubber bottom is concavely deformed on a surface thereof by the pivot seat, and the pivot tube or the knob is rotationally connected to the base in a stepped manner of at least two steps.

Abstract: Disclosed is a rotary suction cup, comprising a knob, a base, and a rubber bottom arranged from top to bottom, wherein the knob is connected with the rubber bottom, and the base is provided with a connecting portion for connecting a hanging object, and a through hole; the rotary suction cup further comprising: a pivot seat, arranged in the middle of the rubber bottom, and connected with the knob; a pivot tube, arranged in the knob, and sleeved on and moveably connected to the pivot seat; wherein, the pivot seat is axially moved along with the rotation of the pivot tube, the rubber bottom is concavely deformed on a surface thereof by the pivot seat, and the pivot tube or the knob is rotationally connected to the base in a stepped manner of at least two steps.