Patent ID: 7854024

Claim:
An adjustable fitting ring structure, comprising: a connecting base having a receiving slot, wherein two sides of the receiving slot each individually have an opening, the two openings link with the receiving slot, and there is a plurality of concave wedged slots disposed on an inner wall of the receiving slot, the receiving slot having an interior upper side and lower side respectively having a convex rib; a fitting ring having two end portions, wherein each of the two end portions has a long slot, an upper side of the inner surface of the long slot located on the end portion has a gear portion, a lower side of the inner surface of the long slot located on another end portion has another gear portion, and the two end portions respectively pass through the openings and are stacked in the connecting base, two sides of the two end portions respectively contact and are connected with the two convex ribs; a guiding part received in the receiving slot and pivoted on the connecting base, wherein the guiding part includes a base portion, a gear, and a plurality of flexible arms, the gear is located on one surface of the base portion and extends into the two long slots, the two gear portions gear with the gear and are located on the two opposite sides of the gear, a surface of the outer edge of the flexible arm has a wedged body to contact and connect with the wedged slot of the receiving slot, the base portion bends and extends to form the flexible arms, and the flexible arms are disposed at a surrounding edge of the base portion at intervals; and an adjustable part located on one side of the guiding part and pivoted on the connecting base, wherein the adjustable part makes the guiding part rotate so that the two end portions move in different directions.