彈力的大小f跟彈簧伸長(或縮短)的長度x成正比，即f=kx 式中的k稱為彈簧的勁度系數，不同的彈簧的勁度系數一般是不同的。這個規律是英國科學家胡克發現的，叫做胡克定律。氣彈簧是一種可以起支撐、緩沖、制動、高度調節及角度調節等功能的配件。 目前，該產品在醫療設備、汽車、家具、紡織設備、加工行業等領域都得到了廣泛地應用。 根據不同的特點及應用領域，氣彈簧又被稱為支撐桿、調角器、氣壓棒、阻尼器等. 氣彈簧的基本原理是在密閉的腔體內壓入惰性氣體和油、或則油氣混合物。
氣彈簧是以氣體和液體為工作介質的一種彈性元件，由壓力管，活塞，活塞桿及若干聯接件組成其內部充有高壓氮氣，由于在活塞內部設有通孔，活塞兩端氣體壓力相等，而活塞兩側的截面積不同，一端接有活塞桿而另一端沒有，在氣體壓力作用下，產生向截面積小的一側的壓力，即氣彈簧的彈力，彈力的大小可以通過設置不同的氮氣壓力或者不同直徑的活塞桿而設定。

中譯英：
Stretch size f with the elongation of the spring(or shorten)length is proportional to x, f=kx type of K is known as the spring stiffness coefficient, different spring stiffness coefficient in general is different. This rule is a British scientists discovered by Hooke, called Hooke's law. Gas spring is a kind of can support, buffer, brake, height adjustment and angle adjusting function parts. At present, the products in medical equipment, automotive, furniture, textile equipment, processing industry and other fields have been widely used. According to the different characteristics and application fields of the gas spring, also known as the supporting rod, angle, pressure rods, damper. Gas spring is the basic principle in the sealed cavity pressure of inert gas and oil, or oil and gas mixture.
Gas spring with gas and liquid medium for the work of an elastic element, a pressure tube, piston, piston rod and a plurality of connecting pieces whose interior is filled with high pressure nitrogen, because inside the piston is provided with a through hole, both ends of the piston gas pressure is equal on both sides of the piston, and the cross-sectional area of not the same, one end is connected with the piston rod while the other end is not, in under the action of gas pressure, to produce small sectional area on the side of the pressure, the gas spring, the elasticity can be by setting different nitrogen pressure or different diameter piston rod set.
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