Controlled damping molecular spring vehicle suspension

Abstract

The invention provides a controllable damping molecule spring vehicle suspension. The controllable damping molecule spring vehicle suspension comprises a compressible hydraulic cylinder, an incompressible auxiliary cylinder, a piston, molecular spring mixed mediums and a magnetorheological fluid; the compressible hydraulic cylinder comprises an end cap and a cylinder body which are mutually connected, a membrane sheet is arranged at the position between the end cap and the cylinder body, and a cavity formed between the membrane sheet and the cylinder body is fully filled with the molecular spring mixed mediums; the incompressible auxiliary cylinder comprises an auxiliary cylinder body, and the auxiliary cylinder body is arranged at the end, away from the cylinder body, of the end cap in asleeving mode; a first sealing ring is arranged between the inner wall of the auxiliary cylinder body and the outer wall of the end cap to form a sealed chamber, and the chamber is fully filled with the magnetorheological fluid; the piston comprises main pistons and an auxiliary piston, wherein the main pistons and the auxiliary piston are mutually connected, the main pistons are located in the end cap and the auxiliary cylinder body and sequentially penetrate through the end cap and the auxiliary cylinder body to extend to the exterior of the auxiliary cylinder body; and the auxiliary pistonis located in the cavity formed between the membrane sheet and the cylinder body. According to the controllable damping molecule spring vehicle suspension, the structure is simple, performance is superior, and ride comfort and the control ability of a vehicle can be effectively improved.

Description

technical field [0001] The invention relates to a vehicle suspension capable of providing both elastic support and damping effect, and belongs to the technical field of vehicle engineering. Background technique [0002] As consumers have higher and higher requirements for vehicle ride comfort and handling, improving vehicle ride comfort and handling has always been the goal pursued by automobile designers. The core vibration damping unit of the vehicle suspension includes two parts: an elastic element and a damping element. At present, the elastic elements used in the suspension system of common vehicles on the market, such as longitudinal leaf springs, transverse leaf springs, coil springs, torsion bars, etc., have problems such as poor vibration isolation performance and insufficient bearing capacity; while high-end suspension Elastic components such as air springs used in rack systems have disadvantages such as large volume and high price. When the vehicle suspension is...

AI Technical Summary

Problems solved by technology

At present, the elastic elements used in the suspension system of common vehicles on the market, such as longitudinal leaf springs, transverse leaf springs, coil springs, torsion bars, etc., have problems such as poor vibration isolation performance and insufficient bearing capacity; while high-end suspension The elastic components used in the frame system, such as air springs, have the disadvantages of large volume and high price.

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