Wire-controlled heavy-duty swivel chair chassis
Release time:
2024-06-15
The utility model discloses a wire-controlled heavy-duty swivel chair chassis. The front and middle parts of the base are respectively fixed with cross bars and mounting feet. A seat gear plate is arranged between a connecting seat on the base and a movable seat. The seat and back gear plate; the base is swingably connected with the connecting seat through a rivet A and a seat limit rod, and the connecting seat is provided with a taper tube and a spring adjustment knob; a lifting pressure plate is arranged in the inner cavity of the connecting seat, the bulge in the middle of one end of the lifting pressure plate faces the tapered tube upward, and the other end of the lifting pressure plate is connected with a cable and a lifting pressure spring; the rear end of the connecting seat is fixedly connected with a seat gear plate; the movable seat is swingingly connected with the base through rivet D and rivet C, and a torsion spring is installed on rivet D; rivet C and rivet D also pass through two light holes at the rear end of the back of the back gear plate; two sets of locking plates and two sets of threaded columns are arranged on the locking seat. The utility model has compact structure, reliable function and convenient operation.