To provide a buffer with a vehicle height adjustment function that is compact while allowing both adjustment of a vehicle height and adjustment of damping force, and allows securing of capacity of a reservoir and reduction of a cost.SOLUTION: A buffer SA with a vehicle height adjustment function comprises a cylinder 1, a piston 2 partitioning an extension side chamber R1 and a pressure side chamber R2, a piston rod 3 connected to the piston 2, a partition member 30 fitted to an outer periphery of an intermediate part of the cylinder 1, an intermediate cylinder 4 covering the cylinder 1 above the partition member 30 to form an annular passage P, an upper cylinder 5a covering an outer periphery pf the intermediate cylinder 4 to form a tank T, a lower cylinder 5b covering the cylinder 1 below the partition member 30 to form a reservoir R, a pump 31 provided in the partition member 30, a partition inside passage 40 provided in the partition member 30, and a damping force adjustment valve 18 for applying resistance to a flow of liquid passing through a damping force adjustment passage VP including the annular passage P and the partition inside passage 40.SELECTED DRAWING: Figure 1
【課題】車高の調整と減衰力の調整との双方を可能としつつ、小型であってリザーバの容積の確保とコストの低減とが可能な車高調整機能付き緩衝器を提供する。【解決手段】車高調整機能付き緩衝器SAは、シリンダ1と、伸側室R1と圧側室R2とに区画するピストン2と、ピストン2に連結されるピストンロッド3と、シリンダ1の中間部の外周に嵌合する仕切部材30と、シリンダ1の仕切部材30よりも上方を覆って環状通路Pを形成する中間筒4と、中間筒4の外周を覆ってタンクTを形成する上方筒5aと、シリンダ1の仕切部材30の下方を覆ってリザーバRを形成する下方筒5bと、仕切部材30に設けられるポンプ31と、仕切部材30に設けられる仕切内通路40と、環状通路Pと仕切内通路40とを含む減衰力調整通路VPを通過する液体の流れに抵抗を与える減衰力調整バルブ18とを備えて構成されている。【選択図】図1
BUFFER WITH VEHICLE HEIGHT ADJUSTMENT FUNCTION
車高調整機能付き緩衝器
12.09.2024
Patent
Elektronische Ressource
Japanisch