Composite buffer mechanism

Abstract

The invention provides a composite buffer mechanism, and belongs to the technical field of automobiles. The composite buffer mechanism comprises a damping cylinder and a damping spring arranged outside the damping cylinder in a sleeving mode. The damping spring is a hollow spring internally provided with a damping hole. A plurality of first wires penetrate through the damping hole, the first wiresare connected in parallel and then connected with a second wire. The upper end of a liquid storage cavity is slidably connected with a pressure regulating piston. An armature block located above thepressure regulating piston is fixedly arranged on an upper mounting base. The second wire is wound on the armature block in the same direction. A first permanent magnet strip with the magnetic pole direction located on the same straight line as the magnetic pole direction of an electromagnetic structure formed after the second wire on the armature block is powered on is embedded in the pressure regulating piston. A permanent magnet set comprises a plurality of second permanent magnet strips evenly distributed outside the axis of a cylinder body in the circumferential direction. The composite buffer mechanism has the advantage that the rigidity of an automobile shock absorber can be adjusted in a self-adaptive mode.

Description

technical field [0001] The invention belongs to the technical field of automobiles and relates to a composite buffer mechanism. Background technique [0002] The damping effect of the suspension / shock absorber of automobiles (including other vehicles) is generally formatted, that is to say, the damping effect after manufacture and installation cannot be actively adjusted, but in fact, for different driving Road conditions, the requirements for the damping effect in the ideal state are different. For example, when passing a raised obstacle on the ground such as a speed bump, the most ideal state is: at the initial stage of contacting the obstacle, the wheels are quickly approached relative to the body to compensate for the raised surface on the ground. The longitudinal elevation of the vehicle body caused by the sudden upward movement of the wheels, after crossing the highest point of the raised obstacle, it is hoped that the wheels will move away from the vehicle body rapidl...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the damping size is adjusted by passively controlling the hydraulic pressure of the hydraulic cylinder used for guidance and resistance, thereby changing the vibration damping mode of the vehicle, but this method either cannot actively make adaptive adjustments according to road conditions, or requires complicated monitoring and control system with complex structure and high cost

[0004] Existing shock absorbers still have heat dissipation problems that affect the actual resistance effect and the service life of the damping cylinder, such as the high temperature of the damping cylinder

[0005] Due to the harsh environment of the suspension system of the vehicle, the low ground clearance, and frequent physical damage caused by wading and mudstones, the reliability and safety of installing and installing electronic devices on various parts of the suspension are low. It is conducive to the layout of components, which is one of the reasons why the suspension system is difficult to achieve intelligent control

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