JPH01144404U

JPH01144404U -

Info

Publication number: JPH01144404U
Application number: JP4039488U
Authority: JP
Priority date: 1988-03-29
Filing date: 1988-03-29
Publication date: 1989-10-04

Description

[Brief explanation of the drawing]

第１図は本考案による直動型ハイドロリツクバ
ルブリフタ１の軸線方向断面図である。第２図は
本考案によるハイドロリツクバルブリフタの、第
２実施例であるボデイ２４の斜視図である。第３
図は一般的なＯＨＣ型式の内燃機関のシリンダヘ
ツドの一部を切断して得られた図である。主要な部品の符号の説明、１……ハイドロリツ
クバルブリフタ、２……フオロワ、４……ボデイ
、４ｂ，２４ｂ……溝、５……プランジヤ。 FIG. 1 is an axial sectional view of a direct acting hydraulic valve lifter 1 according to the present invention. FIG. 2 is a perspective view of a body 24 of a second embodiment of the hydraulic valve lifter according to the present invention. Third
The figure is a partially cutaway view of the cylinder head of a general OHC type internal combustion engine. Explanation of the symbols of the main parts: 1...Hydraulic valve lifter, 2...Follower, 4...Body, 4b, 24b...Groove, 5...Plunger.

Claims

[Scope of Claim for Utility Model Registration] 1. Consisting of inner and outer circular pipes, one end of which is an open end, and the other end of which coaxially abuts the same disc to form a closed end. , a follower with a fluid inlet on the side, and a cylindrical tube shape that is capable of sliding movement in the axial direction with respect to the follower within the inner circular tube of the follower and has an open end with only one end open; a body, the open end of which abuts against the closed end of the follower; a tubular partition having a small opening; In a direct-acting hydraulic valve lifter comprising a plunger in which a partition wall and the body form a fluid pressure chamber, and means for preventing fluid movement in one direction provided in a small opening of the plunger, the open end of the body 1. A direct-acting hydraulic device, characterized in that one or more first oil passages are provided in the body, and a second oil passage is provided in the circumferential direction of the inner periphery of the open end of the body. valve lifter. 2. The direct-acting hydraulic valve lifter according to claim 1, wherein the first oil passage is a groove. 3. The direct-acting hydraulic valve lifter according to claim 1 or 2, wherein the second oil passage is a chamfered portion. 4. The direct acting hydraulic valve lifter according to claim 1 or 2, wherein the second oil passage is a circumferential groove.