JPH0224138U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案一実施例のシヨツクアブソーバ
を示す断面図、第２〜４図は実施例の圧側連通路
の要部の作動を示す横断面図、第３〜６図は実施
例の伸側連通路の要部の作動を示す横断面図であ
る。 １……シリンダチユーブ、１ａ……上部液室（
第１液室）、１ｂ……下部液室（第２液室）、２
……ピストン、２ａ……第１連通孔、２ｂ……第
２連通孔、３……ピストンロツド、６……圧側中
間室、８……伸側中間室、１０……圧側連通路、
１１……伸側連通路、１２……切換弁（開閉切換
弁）、４１……第１圧側減衰弁、４２……第２圧
側減衰弁、７１……第１伸側減衰弁、７２……第
２伸側減衰弁。 Fig. 1 is a sectional view showing a shock absorber according to an embodiment of the present invention, Figs. 2 to 4 are cross sectional views showing the operation of the main parts of the compression side communication passage of the embodiment, and Figs. 3 to 6 are expansion diagrams of the embodiment. FIG. 3 is a cross-sectional view showing the operation of the main part of the side communication path. 1... Cylinder tube, 1a... Upper liquid chamber (
(first liquid chamber), 1b...lower liquid chamber (second liquid chamber), 2
...Piston, 2a...First communication hole, 2b...Second communication hole, 3...Piston rod, 6...Compression side intermediate chamber, 8...Rebound side intermediate chamber, 10...Compression side communication passage,
11... Growth side communication passage, 12... Switching valve (on/off switching valve), 41... First pressure side damping valve, 42... Second pressure side damping valve, 71... First growth side damping valve, 72... Second rebound damping valve.

補正 昭６３．１１．１ 図面の簡単な説明を次のように補正する。 明細書の第１９頁第１２行目に「第３〜６図」
とあるを「第５〜７図」と補正する。Amendment November 1, 1986 The brief description of the drawing is amended as follows. “Figures 3 to 6” on page 19, line 12 of the specification
The text has been corrected to read "Figures 5 to 7."

Claims (1)

【実用新案登録請求の範囲】 ピストンロツドに連結され、シリンダチユーブ
内をロツド退出方向の第１液室とロツド侵入方向
の第２液室とに画成して摺動可能に設けられたピ
ストンと、 両液室を連通してピストンに並列に形成された
第１連通孔及び第２連通孔と、 該第１連通孔を開閉すべく前記ピストンに設け
られ、直列に配設された第１圧側減衰弁及び第２
圧側減衰弁と、 前記第２連通孔を開閉可能に前記ピストンに設
けられ、直列に配設された第１伸側減衰弁及び第
２伸側減衰弁と、 前記両圧側減衰弁間に設けられた圧側中間室及
び両伸側減衰弁間に設けられた伸側中間室と、 前記圧側中間室と第１液室とを連通して形成さ
れた圧側連通路と、 前記伸側中間室と第２液室とを連通して形成さ
れた伸側連通路と、 両連通孔の開口面積をそれぞれ変更する開閉切
換弁と、 を備えていることを特徴とするシヨツクアブソー
バ。[Claims for Utility Model Registration] A piston connected to a piston rod and slidably provided in a cylinder tube defining a first liquid chamber in the direction of rod exit and a second liquid chamber in the direction of rod entry; A first communication hole and a second communication hole formed in parallel in the piston to communicate both liquid chambers; and a first pressure side damping provided in the piston and arranged in series to open and close the first communication hole. valve and second
a compression side damping valve; a first rebound damping valve and a second rebound damping valve that are provided in the piston so as to be able to open and close the second communication hole and are arranged in series; and a compression damping valve that is provided between the pressure damping valves. a compression side intermediate chamber provided between the compression side intermediate chamber and both expansion side damping valves; a compression side communication passage formed by communicating the compression side intermediate chamber and the first liquid chamber; A shock absorber comprising: an expansion-side communication passage formed by communicating with a two-liquid chamber; and an on-off switching valve that changes the opening area of both communication holes.