JPS61201909U - - Google Patents

Description

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

第１図は本考案に係る油圧緩衝器の縦断面図、
第２図は上部のチエツクバルブ機構の拡大断面図
、第３図は蓄圧室の拡大断面図、第４図は従来の
油圧緩衝器の縦断面図である。 尚、図面中２はシリンダ、３はピストンロツド
、４は内筒、５は外筒、８は中実ロツド、８ａは
中空部、１２はピストン、１７，３７，３９，５
３は油路、１８，２９はチエツクバルブ機構、２
８，５４，５５は油孔、４１はスプリングアジヤ
スタ、４２はアジヤスタガイド、４３は蓄圧室、
５２はコイルスプリングである。 FIG. 1 is a longitudinal sectional view of a hydraulic shock absorber according to the present invention;
FIG. 2 is an enlarged sectional view of the upper check valve mechanism, FIG. 3 is an enlarged sectional view of the pressure accumulator, and FIG. 4 is a longitudinal sectional view of a conventional hydraulic shock absorber. In the drawings, 2 is a cylinder, 3 is a piston rod, 4 is an inner cylinder, 5 is an outer cylinder, 8 is a solid rod, 8a is a hollow part, 12 is a piston, 17, 37, 39, 5
3 is an oil path, 18, 29 is a check valve mechanism, 2
8, 54, 55 are oil holes, 41 is a spring adjuster, 42 is an adjuster guide, 43 is a pressure accumulation chamber,
52 is a coil spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダの下部外周にスプリングアジヤスタと
アジヤスタガイドからなる蓄圧室を設け、シリン
ダ内に上方からピストンロツドを挿入し、このピ
ストンロツドの下半部を中空部とするとともに中
空部外周にピストンを固着してシリンダ内を上下
の油室に区画し、前記中空部にはシリンダ下部に
植設した中空ロツドを挿入して前記ピストンロツ
ドの中空部と蓄圧室とを連通し、更に前記ピスト
ンロツドの中空部内には上部の油室から中空部内
への作動油の流れを許容するチエツクバルブを、
前記中空ロツド内にはピストンロツドの中空部か
ら蓄圧室への作動油の流れを許容するチエツクバ
ルブをそれぞれ配設したことを特徴とする自動車
高調整機構付油圧緩衝器。 A pressure accumulation chamber consisting of a spring adjuster and an adjuster guide is provided on the lower outer periphery of the cylinder, a piston rod is inserted into the cylinder from above, the lower half of the piston rod is made hollow, and the piston is fixed to the outer periphery of the hollow portion. The inside of the cylinder is divided into upper and lower oil chambers, a hollow rod installed at the bottom of the cylinder is inserted into the hollow part to communicate the hollow part of the piston rod with the pressure accumulation chamber, and an upper part is inserted into the hollow part of the piston rod. A check valve that allows hydraulic oil to flow from the oil chamber into the hollow part,
A hydraulic shock absorber with an automobile height adjustment mechanism, characterized in that each of the hollow rods is provided with a check valve for allowing the flow of hydraulic oil from the hollow part of the piston rod to the pressure accumulation chamber.