JPH0198342U

JPH0198342U -

Info

Publication number: JPH0198342U
Application number: JP19427687U
Authority: JP
Priority date: 1987-12-22
Filing date: 1987-12-22
Publication date: 1989-06-30

Description

[Brief explanation of the drawing]

第１図Ａはこの考案に係るピストンバルブ取付
構造が適用された液圧緩衝器を示す要部断面図、
第１図Ｂはこの実施例のピストンロツド一端部を
示す部分断面図、第１図Ｃはこの実施例のボルト
を示す正面図、第１図Ｄは第１図Ｃの一部拡大断
面図、第２図Ａはこの考案の他の実施例を示すボ
ルトの正面図、第２図Ｂは側面図である。１……シリンダ、２……ピストンロツド、２ａ
……一端部、５……雌ねじ部、６……上部液室、
７……下部液室、８……ピストンバルブ、９……
ボルト、２０……雄ねじ部、２１……かしめ部。 FIG. 1A is a sectional view of a main part showing a hydraulic shock absorber to which the piston valve mounting structure according to this invention is applied;
FIG. 1B is a partial sectional view showing one end of the piston rod of this embodiment, FIG. 1C is a front view showing the bolt of this embodiment, FIG. 1D is a partially enlarged sectional view of FIG. FIG. 2A is a front view of a bolt showing another embodiment of this invention, and FIG. 2B is a side view. 1...Cylinder, 2...Piston rod, 2a
...One end, 5... Female threaded part, 6... Upper liquid chamber,
7... Lower liquid chamber, 8... Piston valve, 9...
Bolt, 20... male threaded part, 21... caulked part.

Claims

[Scope of utility model registration request]

A cylinder filled with hydraulic fluid, a piston rod inserted into the cylinder from one end side, and a piston valve that is fixed to one end of the piston rod and slides while separating the inside of the cylinder into two chambers. In the hydraulic shock absorber, a female threaded portion is formed along the internal axial direction of one end of the piston rod, and a male threaded portion of a bolt that is screwed into the female threaded portion to fix the piston valve to the piston rod is caulked. A piston valve mounting structure for a hydraulic shock absorber, characterized in that a piston valve mounting structure is formed.