How much do you know about the chairlift

Literally, a chair lift is a chair whose seat height can be raised or lowered, generally divided into pneumatic, hydraulic and mechanical types. Pneumatic chair lift currently occupies a high share in the market. The adjustable function of the pneumatic chair lift is realized by the air spring component.

So how is the air pressure chair lift to achieve height adjustment function? Gas spring is a kind of gas and liquid as the working medium, can support, buffer, braking, height adjustment and Angle adjustment and other functions of the elastic element, by the pressure tube, piston, piston rod and a number of connecting parts. The working principle of pneumatic chair lift is to press inert gas, such as nitrogen, into the closed chamber, so that the pressure in the chamber is greater than the atmospheric pressure, the use of pressure difference to achieve the movement of the piston rod, so as to adjust the role of the seat.

Hydraulic lift chair is mainly used in special occasions such as barber chair. When used, the third party outside the user needs to exert driving force to achieve the lift function of the chair. Hydraulic lifting mechanism is the principle of hydraulic jack. Due to the high cost of hydraulic lift chair, the structure is relatively complex, and the height adjustment is not sensitive enough, in the domestic market share is low.

In addition to the pneumatic chair lift, there is a mechanical chair lift, that is, the support of the seat is a solid steel rod with thread, when the computer chair needs to adjust the height, it is necessary to put the chair down, loosen the screw fixing the bolt after adjustment and then screw on.

Compared with the mechanical chair lift, the pneumatic chair lift cost is low, easy to use, so the market share is relatively large. However, the pneumatic chair lift is not as safe as the mechanical one. Recently, the chairlift explosion accidents occurred in our country.