JPS6279910U

JPS6279910U -

Info

Publication number: JPS6279910U
Application number: JP17036685U
Authority: JP
Priority date: 1985-11-07
Filing date: 1985-11-07
Publication date: 1987-05-22
Anticipated expiration: 2000-11-07
Also published as: JPH0625607Y2

Description

[Brief explanation of the drawing]

第１，２図はそれぞれ本考案実施１例を示す説
明用断面図、第３，４図は従来例を示す説明用断
面図および配置図であり、第５図は同じく作用を
示す説明用断面図である。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：シリンダヘツド、
３：カム、４：弁、１１：バケツト、１２：スリ
ーブ、１３：ボデイ、１４：プランジヤ、１５：
高圧室、１６：弾性体、１７：チエツクバルブ、
１８：チエツクバルブケージ、２０ａ：油還流路
。 1 and 2 are explanatory cross-sectional views showing one embodiment of the present invention, FIGS. 3 and 4 are explanatory cross-sectional views and layout diagrams showing the conventional example, and FIG. 5 is an explanatory cross-sectional view showing the same effect. It is a diagram. The symbols in the drawings indicate the following members, respectively. 1: Hydraulic lash adjuster, 2: Cylinder head,
3: Cam, 4: Valve, 11: Bucket, 12: Sleeve, 13: Body, 14: Plunger, 15:
High pressure chamber, 16: Elastic body, 17: Check valve,
18: Check valve cage, 20a: Oil return path.

Claims

[Claims for Utility Model Registration] 1. A bucket that is slidably fitted into a support hole of a cylinder head, a sleeve that is connected to the inner surface of the bucket, and a sleeve that is slidably fitted into an inner cylindrical portion of the sleeve. The bucket includes a bottomed hollow cylindrical body supported so that its bottom comes into contact with the end of the valve shaft and whose open end opens into the inside of the bucket, and a bottomed hollow cylindrical body having an oil hole in the bottom. a plunger that opens toward the top plate side and slidably fits into the inner cylindrical portion of the body, a high pressure chamber is defined by the inner surface of the body and the plunger, and the plunger and the top of the bucket A plunger oil reservoir is defined by the plate part, and a bucket oil reservoir is defined by the plunger, the body, the sleeve, and the bucket, and the bucket oil reservoir is connected to the plunger oil reservoir and the top plate of the bucket. In the direct-acting hydraulic latch adjuster, the plunger is connected to the body through a communication groove, and the bucket is provided with an oil hole for introducing oil. A direct-acting hydraulic latch adjuster, characterized in that one or more oil return passages are provided in the lash adjuster. 2. The direct-acting hydraulic lash adjuster according to claim 1, wherein the oil return path is a notched slit provided on the end face of the plunger. 3. The direct-acting hydraulic system according to claim 1 of the utility model registration claim, characterized in that a ring-shaped member is inserted between the plunger and the top plate of the bucket, and an oil return path is provided therein. Type latch adjuster. 4. The direct-acting hydraulic type according to claims 1 and 4, wherein the oil return path provided in the ring-shaped member is a cut-out slit provided on the lower end surface of the member. Latsuyu adjuster. 5. Utility model registration claim 1, characterized in that the ring-shaped member and the top plate of the bucket are integrally constructed, and the oil return path is in communication with the communication groove. , the direct-acting hydraulic latch adjuster according to items 3 and 4. 6 The high-pressure chamber defined on the inner surface of the body holds an elastic body that urges the plunger to move away from the open end side of the body, a check valve that controls opening and closing of the oil hole of the plunger, and the check valve. 1. A direct-acting hydraulic lash adjuster according to claim 1, characterized in that a check valve cage is provided.