JPS61147308U

JPS61147308U -

Info

Publication number: JPS61147308U
Application number: JP3093385U
Authority: JP
Priority date: 1985-03-06
Filing date: 1985-03-06
Publication date: 1986-09-11
Anticipated expiration: 2000-03-06
Also published as: JPH051606Y2

Description

[Brief explanation of drawings]

第１図、第２図は本考案実施第１例を示す要部
側断面図およびＸ―Ｘ断面図、第３図、第４図は
本考案実施第２例を示す側断面図および要部の平
面図、側断面図、第５図は本考案の要部変形例を
示す側断面図である。また第６図、第７図は従来
の２例を示す側断面図である。図中の符号はそれぞれ下記部材を示す。１：油
圧式ラツシユアジヤスタ、２：ロツカーアーム、
３：油溜室、４：給油路、５：バルブ、６：バル
ブスプリング、７：リテーナー、８：コツター、
９：バルブシート、１０：カム、１１：ボデイ、
１２：プランジヤ、１３：高圧室、１４：弾性体
、１５：油孔、１６：チエツクバルブ、１７：チ
エツクバルブケージ、２１：蓋、３１，３１′：
インナーオイルチヤンバー。 1 and 2 are side sectional views and XX sectional views of main parts showing the first embodiment of the present invention, and FIGS. 3 and 4 are side sectional views and main parts of the second embodiment of the present invention. FIG. 5 is a side sectional view showing a modification of the main part of the present invention. Further, FIGS. 6 and 7 are side sectional views showing two conventional examples. The symbols in the drawings indicate the following members, respectively. 1: Hydraulic lash adjuster, 2: Locker arm,
3: Oil reservoir chamber, 4: Oil supply path, 5: Valve, 6: Valve spring, 7: Retainer, 8: Cotter,
9: Valve seat, 10: Cam, 11: Body,
12: Plunger, 13: High pressure chamber, 14: Elastic body, 15: Oil hole, 16: Check valve, 17: Check valve cage, 21: Lid, 31, 31':
Inner oil chamber.

Claims

[Claims for Utility Model Registration] 1. A bottomed hollow cylindrical body having an oil hole at the bottom, a plunger that is slidably fitted into the body and forms a high pressure chamber between the body and the bottom; an elastic body disposed within the high pressure chamber and urging the plunger toward the open end of the body; a check valve also disposed within the high pressure chamber controlling opening and closing of the oil hole; and a check valve cage holding the check valve;
and an oil sump chamber provided in a rocker arm adjacent to the bottom of the podium, and a hollow cylindrical inner oil chamber with one end open to the oil hole is provided in the oil sump chamber; An improvement in a hydraulic lash adjuster characterized in that an air vent hole and an oil introduction hole are provided at the upper and lower positions of the inner oil chamber. 2. The hydraulic lash adjuster according to claim 1, wherein the inner oil chamber has a hollow cylindrical bottom and an air vent hole on the upper side thereof are exposed from the rocker arm. improvements. 3. Hydraulic pressure according to claim 1, wherein the inner oil chamber has a hollow cylindrical shape with both ends open, and one end is in close contact with an upper wall having an air vent hole of the oil reservoir chamber. Improvement of the type latch adjuster. 4. An improvement in the hydraulic lash adjuster as set forth in claims 1 to 3, characterized in that the oil introduction hole in the inner oil chamber is a slit.