Waist arm -chair

The utility model discloses a waist arm -chair, waist arm -chair includes base, cushion and cushion, the base supports in ground with the pressure wheel, the base top is located to the cushion, is provided with the gas pole that makes cushion vertical lift between base and cushion, the cushion lies in that to sit the seat other, and it is installed in the one end of the scalable metal loop bar of a L type, and the L type metal loop bar is slided to cup joint at the horizontal direction by the two metal bar and forms, its one end of not installing the cushion be equipped with with gas pole outer wall complex locating hole, the L type metal loop bar hinges on the gas pole with this locating hole to with this locating hole and the cooperation of gas pole, use the gas pole to rotate and go up and down as the center, thereby drive the cushion rotation and go up and down, be equipped with on the metal loop bar and carry out the first sticking department that locks to its rotatory and the action of going up and down, also be equipped with to its horizontal slip flexible action and carry out the second sticking department that locks. The utility model discloses let the user can be enough leans against, the waist leans on two kinds of position of sittings to use seats.