| 摘要 |
PURPOSE: Air suspension structure of a seat for a vehicle is provided to improve convenience by adjusting the height of a seat cushion according to the body shape of a passenger and by relieving impact with an air spring. CONSTITUTION: An air suspension for a seat of a vehicle is composed of an air spring(22) connected to an air tank(21); a support bar(13) formed in an X-link(12) with sliding; a cylinder operating unit(14) adjusting the height of a seat cushion by putting and drawing a rod(15a) of a cylinder(15) out; a connecting unit(16) connected to the rod of the cylinder, and fixed in the upper seat frame by a hinge(17); a control unit(18) fixed in the connecting unit and turned around the hinge; a control valve(20) operating upper and lower switches according to rotation direction of the control unit; a valve plate(19) turned by the hinge, and fixed in the control valve; and a pin(23) fixed in a guide groove(19a) of the valve plate, and fastened in the support bar. The height of the seat cushion is adjusted according to the body shape of the passenger by automatically sensing the weight with the air suspension.
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