The invention discloses an
office chair capable of massaging the back, and relates to the technical field of office appliances. The
office chair capable of massaging the back comprises an
office chair base
assembly, the office chair base
assembly comprises a
cushion, a lifting rod is fixedly connected to the center of the lower surface of the
cushion, a
chassis is fixedly connected to the lower surface of the lifting rod, and supporting shafts are rotatably connected to the
tail end of the outer side of the lower surface of the
chassis through bearings; the lower surface of each supporting shaft is fixedly connected with a fixing shell, the inner wall of each fixing shell is rotatably connected with a rolling wheel through a rotating shaft and a bearing, the rear end of the upper surface of the
cushion is arranged to be arc-shaped, and a back supporting
assembly is arranged above the cushion, so that the problems that most of existing office chairs only meet the function of
human engineering and support the
waist and the back sufficiently, however, great pressure is still caused to the
waist and the back of the
office staff after long-time sitting, the working efficiency is influenced after long-time sitting, and the
office staff can be possibly suffered from diseases such as
muscle strain of the
waist and the back are solved.