The invention belongs to the technical field of automobile accessories, and particularly relates to an automobile hydraulic shock absorber which is characterized in that an oil passing hole channel is designed in a piston rod, and when an automobile runs normally and the automobile hydraulic shock absorber works, oil liquid can smoothly penetrate through the oil passing hole channel and enters a second throttling hole in a built-in bypass piston, so that the oil liquid flows through the oil passing hole channel; when the stroke of the piston rod in the automobile hydraulic shock absorber reaches the limit due to the fact that the automobile faces the limit working condition, the built-in bypass needle can accurately penetrate into the oil passing hole channel in the upper end of the piston rod to effectively block the oil passing hole channel, at the moment, circulation of oil in the piston cylinder is forcibly changed, the damping force is increased, and the damping effect is improved. By means of the design, excessive compression of the automobile hydraulic shock absorber can be effectively limited, the automobile hydraulic shock absorber is prevented from exceeding the safety range, the internal structure of the shock absorber and an overall suspension system of an automobile are protected against damage, and meanwhile it is guaranteed that the automobile can still keep stable control performance under the extreme condition.

    本发明属于汽车配件技术领域,尤其为一种汽车液压减震器,该汽车液压减震器在活塞杆上设计了过油孔道,车辆正常行驶工况下,该汽车液压减震器工作时,油液能够顺畅地从过油孔道穿过,并进入内置旁通活塞中的第二节流孔,从而实现平稳且适度的阻尼调节,当车辆面临极限工况导致该汽车液压减震器中活塞杆的行程达到极限时,内置旁通针会精准地穿进活塞杆上端的过油孔道,有效地堵住过油孔道,此时,活塞筒内油液的流通被迫改道,增大了阻尼力,这种设计能够有效地限制该汽车液压减震器的过度压缩,防止其超出安全范围,保护减震器的内部结构和车辆的整体悬挂系统免受损坏,同时确保车辆在极端情况下仍能保持稳定的操控性能。


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    Title :

    Automobile hydraulic shock absorber


    Additional title:

    一种汽车液压减震器


    Contributors:

    Publication date :

    2024-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16F SPRINGS , Federn / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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