JPH01102406U - - Google Patents
Info
- Publication number
- JPH01102406U JPH01102406U JP19668487U JP19668487U JPH01102406U JP H01102406 U JPH01102406 U JP H01102406U JP 19668487 U JP19668487 U JP 19668487U JP 19668487 U JP19668487 U JP 19668487U JP H01102406 U JPH01102406 U JP H01102406U
- Authority
- JP
- Japan
- Prior art keywords
- reservoir
- valve lifter
- follower
- hydraulic valve
- fluorocam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案のハイドロリツクバルブリフタ
を組み込んだ動弁機構を示す断面図、第２図は、
本考案の第１実施例を示す断面図、第３図は、本
考案の第２実施例を示す断面図、第４図は、従来
例を示す断面図である。
〔符号の説明〕、１０……ハイドロリツクバル
ブリフタ、２４……プランジヤ、２６……ボデイ
、２７……第１リザーバ、２８……第２リザーバ
、３０……第３リザーバ、４０……円筒部材、４
３……円盤部材、５０……フオロア、５３……カ
ム面。
Fig. 1 is a sectional view showing a valve mechanism incorporating the hydraulic valve lifter of the present invention, and Fig. 2 is a sectional view showing a valve mechanism incorporating the hydraulic valve lifter of the present invention.
FIG. 3 is a cross-sectional view showing a first embodiment of the present invention, FIG. 3 is a cross-sectional view showing a second embodiment of the present invention, and FIG. 4 is a cross-sectional view showing a conventional example. [Explanation of symbols], 10...hydraulic valve lifter, 24...plunger, 26...body, 27...first reservoir, 28...second reservoir, 30...third reservoir, 40...cylindrical member, 4
3... Disk member, 50... Follower, 53... Cam surface.
Claims (1)
ブリフタ案内面内に、摺動可能に収容される、直
動バルブ用ハイドロリツクバルブリフタであつて
、前記案内面と摺動するフオロア外周壁と、該フ
オロア外周壁の一端部を封止し、かつ、内燃機関
のカムに接触するフオロアカム面と、該フオロア
カム面の内側に衝合する円筒部材と、該円筒部材
の外周面から延び、前記フオロア外周壁の内側に
係合し、該円筒部材と前記フオロア外周壁と前記
フオロアカム面との間に第１リザーバを画成する
円盤部材と、前記円筒部材の内側に摺動自在に嵌
合されるボデイと、該ボデイの内側に摺動自在に
嵌合され、該ボデイとの間に高圧室を、該ボデイ
と前記円筒部材と前記フオロアカム面との間に第
２リザーバを、前記フオロアカム面との間に第３
リザーバを、画成するプランジヤと、前記高圧室
と前記第３リザーバとの間の油の流れを制御する
弁手段と、より成ることを特徴とするハイドロリ
ツクバルブリフタ。 ２ 前記第１リザーバと前記第２リザーバとが、
前記フオロアカム面に刻設された第１溝によつて
、前記第２リザーバと前記第３リザーバとが、前
記フオロアカム面に刻設された第２溝によつて連
通されていることを特徴とする、実用新案登録請
求の範囲第１項に記載のハイドロリツクバルブリ
フタ。 ３ 前記第１リザーバと前記第２リザーバとが、
前記円筒部材に、前記フオロアカム面から距離を
保つて、穿設された貫通孔によつて連通されてい
ることを特徴とする、実用新案登録請求の範囲第
１項に記載のハイドロリツクバルブリフタ。 ４ 前記フオロア外周壁に穿設された油供給孔と
前記第１溝との、バルブリフタ中心線に対する位
相差が１８０度であることを特徴とする、実用新
案登録請求の範囲第２項に記載のハイドロリツク
バルブリフタ。 ５ 前記第１溝と前記第２溝との、バルブリフタ
中心線に対する位相差が１８０度であることを特
徴とする、実用新案登録請求の範囲第２項に記載
のハイドロリツクバルブリフタ。[Claims for Utility Model Registration] 1. A hydraulic valve lifter for a direct-acting valve, which is slidably accommodated within a valve lifter guide surface formed in a cylinder head of an internal combustion engine, and which slides with the guide surface. A follower outer peripheral wall, a follower cam surface that seals one end of the follower outer peripheral wall and contacts a cam of an internal combustion engine, a cylindrical member that abuts the inside of the follower cam surface, and from the outer peripheral surface of the cylindrical member. a disk member extending and engaging the inner side of the follower outer circumferential wall to define a first reservoir between the cylindrical member, the follower outer circumferential wall and the follower cam surface; a body to be fitted; a high pressure chamber slidably fitted inside the body; a second reservoir between the body, the cylindrical member and the fluorocam surface; There is a 3rd layer between the fluorocam surface and
A hydraulic valve lifter comprising: a plunger defining a reservoir; and valve means for controlling oil flow between the high pressure chamber and the third reservoir. 2 The first reservoir and the second reservoir are
The second reservoir and the third reservoir are communicated with each other by a first groove carved in the fluorocam surface, and a second groove engraved in the fluorocam surface communicates with the third reservoir. , a hydraulic valve lifter according to claim 1 of the registered utility model claim. 3. The first reservoir and the second reservoir are
The hydraulic valve lifter according to claim 1, wherein the hydraulic valve lifter is communicated with the cylindrical member by a through hole drilled at a distance from the fluorocam surface. 4. The utility model according to claim 2, wherein the phase difference between the oil supply hole bored in the follower outer peripheral wall and the first groove with respect to the valve lifter center line is 180 degrees. Hydraulic valve lifter. 5. The hydraulic valve lifter according to claim 2, wherein the first groove and the second groove have a phase difference of 180 degrees with respect to the center line of the valve lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19668487U JPH01102406U (en) | 1987-12-26 | 1987-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19668487U JPH01102406U (en) | 1987-12-26 | 1987-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102406U true JPH01102406U (en) | 1989-07-11 |
Family
ID=31487284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19668487U Pending JPH01102406U (en) | 1987-12-26 | 1987-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102406U (en) |
-
1987
- 1987-12-26 JP JP19668487U patent/JPH01102406U/ja active Pending
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