Three structures of 9D

The utility model discloses a three structures of 9D, the positioned tapping tool comprises a base, the base is multilateral shape, the upper end of base is provided with three fixing base, the fixing base encircles the base round and is the circular distribution, the fixing base divide into first fixing base, second fixing base and third fixing base, all set up a cavity in first fixing base, second fixing base and the third fixing base, all set up two first spouts on the cavity bottom surface, lay a bedplate on the cavity bottom surface, the bottom of bedplate sets up two sliders, the upper end both sides of cavity respectively set up two planes, all set up a second spout on the plane, an equal movable mounting handle in the second spout, the bottom of handle all sets up a stopper. The utility model discloses set up three fixing base on a seat, use when can realize three people simultaneously, when experiencing, along with toppling over around the fixing base, will experience through the bedplate and realize forward or displacement backward that adding user experiences.