Gas spring is an industrial accessory that can function as support, buffer, braking, height adjustment and angle adjustment.
It consists of the following parts: pressure cylinder, piston rod, piston, sealing guide sleeve, filler (inert gas or oil-air mixture), in-cylinder control elements and out-of-cylinder control elements (referring to controllable gas springs) and joints. The principle is to fill inert gas or oil and gas mixture in a closed pressure cylinder, and the pressure in the cavity is several times or dozens of times the atmospheric pressure. When the gas spring acts, the pressure difference existing on both sides of the piston is used to realize the movement of the piston rod. Due to the fundamental difference in principle, gas springs have significant advantages over ordinary springs: relatively slow speed, little change in dynamic force (usually within 1:1.2), and easy control.
The disadvantage of the gas spring is that the relative volume is not as small as the coil spring, the cost is high, and the service life is relatively short. Unlike mechanical springs, gas springs have a nearly linear elastic curve. The elastic coefficient X of the standard gas spring is between 1.2 and 1.4, and other parameters can be flexibly defined according to requirements and working conditions.
Application of gas spring
According to its characteristics and application fields, gas springs are also called support rods, angle adjusters, gas pressure rods, dampers, etc. At present, the product is widely used in automobile, aviation, medical equipment, furniture, machinery manufacturing and other fields. Its deformation and load-load relationship characteristic line is a curve, which can be designed according to needs. There are many structural forms of air springs, such as bladder type and membrane type, which are often used in vehicle suspension and anti-vibration systems of mechanical equipment.
