Massage device with variable inner diameter

Abstract

A massage device with a variable inner diameter, characterized in that it comprises: a flexible inner sleeve having a first receiving cavity for inserting an area to be massaged; an inner diameter adjustment arrangement mounted on an outer wall of the flexible inner sleeve, wherein the inner diameter adjustment arrangement comprises a rotary disk, a guide disk and a pressure element arranged between the rotary disk and the guide disk, wherein the rotary disk is provided with an arcuate drive groove, the guide disk is provided with an arcuate guide groove, the pressure element is provided with a first guide pin and a second guide pin, and the first guide pin is slidably inserted into the arcuate drive groove and the second guide pin is slidably inserted into the arcuate guide groove;wherein the arc-shaped drive groove converts a rotational movement of the turntable about a turntable rotation axis into a linear movement of the pressure element towards or away from the turntable rotation axis, and wherein the arc-shaped guide groove guides the linear movement of the pressure element such that the pressure element compresses or releases the flexible inner shell.

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