JPS60107651U

JPS60107651U - Variable spring constant damper

Info

Publication number: JPS60107651U
Application number: JP20326883U
Authority: JP
Inventors: 根岸　義男; 高草木　利之
Original assignee: 株式会社昭和製作所
Priority date: 1983-12-26
Filing date: 1983-12-26
Publication date: 1985-07-22
Also published as: JPS643001Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案に係るばね定数可変型ダンパーの破断側
面図、第２図は同ダンパーの特性線図、第３図は変更実
施例に係るばね室部の破断側面図である。尚、図面中、１はダンパ一本体、２はシリンダ、３はピ
ストンロッド、９，１０，３５はスプリングシート、１
１，３７，１３７はクッションスプリング、２０は油圧
シリンダユニット、３０．１３０はばね室、３１はケー
シング、３３は蓋部材、４０はスプール弁、５０，１５
０はオイルタンク、５１，１５１はオイルポンプ、５４
゜１５４は開閉弁、Ｓ工、Ｓ２．Ｓ３は油室である。FIG. 1 is a cutaway side view of a variable spring constant damper according to the present invention, FIG. 2 is a characteristic diagram of the damper, and FIG. 3 is a cutaway side view of a spring chamber according to a modified embodiment. In addition, in the drawing, 1 is a damper body, 2 is a cylinder, 3 is a piston rod, 9, 10, 35 is a spring seat, 1
1, 37, 137 are cushion springs, 20 are hydraulic cylinder units, 30, 130 are spring chambers, 31 are casings, 33 are lid members, 40 are spool valves, 50, 15
0 is oil tank, 51,151 is oil pump, 54
゜154 is an on-off valve, S work, S2. S3 is an oil chamber.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）シリンダ外周に配されるクッションスプリングの
一端を支持するスプリングシートを油圧シリンダユニッ
トに上下動自在に保持せしめ、該油圧シリンダユニット
を連通路を介してダンパ一本体とは別設されるばね室の
油室に連通し、該油室にはばね室に摺動自在に保持され
るロッドの一端を臨ませ、該ロッドの他端にはばね室内
に収納されるクッションスプリングの一端を結着して成
るばね定数可変型ダンパーにおいて、前記ばね室内に収
納されるクッションスプリングのセット長さを変えるば
ね荷重調整機構を設けたことを特徴とするばね定数可変
型ダンツマ−０(1) A spring seat that supports one end of a cushion spring disposed on the outer periphery of the cylinder is held in a hydraulic cylinder unit so as to be able to move up and down, and the hydraulic cylinder unit is connected via a communication path to a spring seat that is separately installed from the damper body. The oil chamber communicates with the oil chamber, one end of a rod that is slidably held in the spring chamber faces the oil chamber, and one end of a cushion spring stored in the spring chamber is tied to the other end of the rod. A variable spring constant damper comprising: a variable spring constant damper comprising a spring load adjustment mechanism for changing the set length of a cushion spring housed in the spring chamber;

（２）　　前記ばね荷重調整機構は、前記ばね室に進退
自在に蓋部材を螺合し、該蓋部材にばね室内に収納され
るクッションスプリングの一端を支持せしめて構成され
ることを特徴とする前記実用新案登録請求の範囲第１項
記載のばね定数可変型ダンパー。(2) The spring load adjustment mechanism is characterized in that a lid member is screwed into the spring chamber so as to be movable back and forth, and one end of a cushion spring housed in the spring chamber is supported by the lid member. The variable spring constant damper according to claim 1 of the above-mentioned utility model registration.

（３）前記ばね荷重調整機構は、前記ばね室内にピスト
ンを摺動自在に嵌装し、該ピストンにばね室内に収納さ
れる前記クッションスプリングの一端を支持せしめると
ともに、ばね室内の上記ピストンで区画される油室にオ
イルポンプ及び開閉弁を連通せしめて構成されることを
特徴とする前記実用新案登録請求の範囲第１項記載のば
ね定数可変型ダンパー。(3) The spring load adjustment mechanism includes a piston slidably fitted in the spring chamber, the piston supporting one end of the cushion spring housed in the spring chamber, and partitioned by the piston in the spring chamber. The variable spring constant damper according to claim 1, characterized in that the variable spring constant damper is constructed by connecting an oil pump and an on-off valve to an oil chamber.