JPS62148703U

JPS62148703U -

Info

Publication number: JPS62148703U
Application number: JP3740886U
Authority: JP
Priority date: 1986-03-12
Filing date: 1986-03-12
Publication date: 1987-09-19

Description

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

第１図はこの考案に係る油圧ラツシユアジヤス
タ装置のダイヤフラムの一実施例を示す一部切欠
斜視図、第２図は同上の一部拡大断面図、第３図
および第４図は同上ダイヤフラムの他の実施例を
示す一部分の断面図、第５図は従来の油圧ラツシ
ユアジヤスタ装置を示す断面図、第６図は同上ダ
イヤフラムの一部分を示す断面図である。１……ボデイ、２……プランジヤ、３……スプ
リング、４……突軸、５……ダイヤフラム、６…
…プレツシヤチヤンバ、７……サプライチヤンバ
、８……連通路、９……チエツクバルブ、１２…
…内筒部、１３……外筒部、１４……キヤツプ体
、１７……円筒部、１８……突出部。 Fig. 1 is a partially cutaway perspective view showing one embodiment of a diaphragm of a hydraulic lash adjuster device according to this invention, Fig. 2 is a partially enlarged sectional view of the same, and Figs. 3 and 4 are the diaphragm of the same. FIG. 5 is a cross-sectional view showing a conventional hydraulic lash adjuster device, and FIG. 6 is a cross-sectional view showing a portion of the diaphragm of the same. 1...Body, 2...Plunger, 3...Spring, 4...Protruding shaft, 5...Diaphragm, 6...
...pressure chamber, 7...supply chamber, 8...communication passage, 9...check valve, 12...
...Inner cylinder part, 13...Outer cylinder part, 14...Cap body, 17...Cylindrical part, 18...Protrusion part.

Claims

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

閉塞端を有する筒形ボデイと、そのボデイの内
部にスライド可能に組込まれたプランジヤおよび
そのプランジヤの押上げ用スプリングと、内筒部
および外筒部を備え、内筒部の上端に取付けたキ
ヤツプ体を上記プランジヤの上面に突設した突軸
の上部に嵌合し、外筒部の外周面上部を上記ボデ
イの内面上部に密着させたダイヤフラムと、上記
プランジヤの下方に設けられたプレツシヤチヤン
バと上方に形成されたサプライチヤンバとを連通
する連通路の開閉用チエツクバルブとを備えた密
封式油圧ラツシユアジヤスタ装置において、前記
キヤツプ体の円筒部と前記突軸とをいんろうのは
め合いとし、その円筒部の外周面に接着されたダ
イヤフラムの内筒部内径面に上記円筒部の下面に
接着される突出部を形成し、その突出部の内径を
円筒部の内径より大きくしたことを特徴とする密
封式油圧ラツシユアジヤスタ装置。 A cap comprising a cylindrical body having a closed end, a plunger slidably built into the body, a spring for pushing up the plunger, an inner cylindrical part and an outer cylindrical part, and attached to the upper end of the inner cylindrical part. a diaphragm whose body is fitted onto the upper part of a protruding shaft protruding from the upper surface of the plunger and whose upper outer circumferential surface of the outer cylinder part is brought into close contact with the upper inner surface of the body; and a pressure chute provided below the plunger. In a sealed hydraulic latch adjuster device equipped with a check valve for opening/closing a communication passage communicating between a tank and a supply chamber formed above, the cylindrical portion of the cap body and the protruding shaft are fitted together. and a protrusion that is bonded to the lower surface of the cylindrical portion is formed on the inner diameter surface of the inner cylindrical portion of the diaphragm that is bonded to the outer circumferential surface of the cylindrical portion, and the inner diameter of the protrusion is made larger than the inner diameter of the cylindrical portion. A sealed hydraulic lash adjuster device featuring: