JPS6196047U - - Google Patents

Info

Publication number
JPS6196047U
JPS6196047U JP18087584U JP18087584U JPS6196047U JP S6196047 U JPS6196047 U JP S6196047U JP 18087584 U JP18087584 U JP 18087584U JP 18087584 U JP18087584 U JP 18087584U JP S6196047 U JPS6196047 U JP S6196047U
Authority
JP
Japan
Prior art keywords
oil ring
raised portion
combination oil
ring according
expander
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.)
Granted
Application number
JP18087584U
Other languages
Japanese (ja)
Other versions
JPH054612Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984180875U priority Critical patent/JPH054612Y2/ja
Priority to US06/783,642 priority patent/US4659093A/en
Priority to DE3540617A priority patent/DE3540617C2/en
Publication of JPS6196047U publication Critical patent/JPS6196047U/ja
Application granted granted Critical
Publication of JPH054612Y2 publication Critical patent/JPH054612Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Description

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

第1図は本考案の組合せオイルリングのエキス
パンダの平面図、第2図は第1図のエキスパンダ
の部分拡大正面図、第3図は第2図の−線に
沿う断面図、第4図は第1実施例の組合せオイル
リングをピストンに嵌着したときの組合せオイル
リング近傍の断面図、第5図は本考案の組合せオ
イルリングのエキスパンダの平面図、第6図は第
5図のエキスパンダの部分拡大正面図、第7図は
第6図の−線に沿う断面図、第8図は第2実
施例の組合せオイルリングをピストンに嵌着した
ときの組合せオイルリング近傍の断面図、第9図
は本考案の第3実施例の組合せオイルリングにお
けるエキスパンダの隆起部近傍の部分正面図、第
10図は第9図の−線に沿う断面図、第11
図は本考案の第4実施例の組合せオイルリングに
エキスパンダの隆起部近傍の部分正面図、第12
図は第11図の−線に沿う断面図、であ
る。 1……組合せオイルリング、2……シリンダ、
3……ピストン、4……オイルリング、4……溝
底面、5……サイドレール、6……エキスパンダ
、8……合口、9……平坦部、11……サイドレ
ール係合部、12……隆起部、18,19,20
……オイル戻し穴。
Fig. 1 is a plan view of the expander of the combination oil ring of the present invention, Fig. 2 is a partially enlarged front view of the expander of Fig. 1, Fig. 3 is a sectional view taken along the line - in Fig. 2, and Fig. 4 The figure is a sectional view of the vicinity of the combined oil ring when the combined oil ring of the first embodiment is fitted to the piston, FIG. 5 is a plan view of the expander of the combined oil ring of the present invention, and FIG. FIG. 7 is a cross-sectional view taken along the - line in FIG. 6, and FIG. 8 is a cross-section near the combined oil ring when the combined oil ring of the second embodiment is fitted to the piston. 9 is a partial front view of the vicinity of the protrusion of the expander in a combination oil ring according to a third embodiment of the present invention, FIG. 10 is a sectional view taken along the line - in FIG. 9, and FIG.
The figure shows a partial front view of a combination oil ring of the fourth embodiment of the present invention near the ridge of the expander, and a 12th embodiment of the combined oil ring.
The figure is a sectional view taken along the - line in FIG. 11. 1...Combination oil ring, 2...Cylinder,
3...Piston, 4...Oil ring, 4...Groove bottom, 5...Side rail, 6...Expander, 8...Abutment, 9...Flat part, 11...Side rail engaging part, 12 ...Protuberance, 18, 19, 20
...Oil return hole.

Claims (1)

【実用新案登録請求の範囲】 (1) シリンダ内に往復動自在に位置されたピス
トンのオイルリング溝内に嵌着され、 (a) 軸方向に隔置された一対のサイドレール
と、 (b) 端部が突合されて前記サイドレール間に
サイドレールを拡張するように設けられたエキス
パンダであつて、該エサスパンダはその内周に軸
方向両端にサイドレール係合部を備えた平坦部を
有すると共に径方向に凹凸して周方向に延びる波
形状に形成されており、前記平坦部のうち複数個
の平坦部の内周面に内周側に突出する隆起部が設
けられているエキスパンダと、 から成る組合せオイルリング。 (2) 前記隆起部が、前記平坦部の中央部の壁を
内周側に筒状に成形して形成されている実用新案
登録請求の範囲第1項記載の組合せオイルリング
。 (3) 前記隆起部が前記平坦部の中央部の壁を内
周側にへこませて形成されている実用新案登録請
求の範囲第1項記載の組合せオイルリング。 (4) 前記隆起部の外周形状が円形である実用新
案登録請求の範囲第3項記載の組合せオイルリン
グ。 (5) 前記隆記部の外周形状が正方形である実用
新案登録請求の範囲第3項記載の組合せオイルリ
ング。 (6) 前記隆記部の外周形状が菱形である実用新
案登録請求の範囲第3項記載の組合せオイルリン
グ。 (7) 前記隆記部の高さをH、前記組合せオイル
リングの前記オイルリング溝への組付時における
前記隆起部とオイルリング溝底面との距離をCと
すると、 H≧0.2mm C≧0.2mm を満足するように前記隆起部高さが選定されてい
る実用新案登録請求の範囲第1項記載の組合せオ
イルリング。 (8) 前記エキスパンダの前記隆起部両側近傍に
オイル戻し穴が形成されている実用新案登録請求
の範囲第1項記載の組合せオイルリング。
[Claims for Utility Model Registration] (1) A piston that is fitted into an oil ring groove of a piston that is reciprocally positioned in a cylinder, (a) a pair of side rails spaced apart in the axial direction, (b ) An expander whose ends are abutted to extend the side rail between the side rails, and the expander has a flat part on its inner periphery with side rail engaging parts at both ends in the axial direction. an expander having a wavy shape extending in the circumferential direction with concavities and convexities in the radial direction, and having protrusions protruding inwardly on the inner peripheral surfaces of a plurality of flat parts among the flat parts. A combination oil ring consisting of and. (2) The combination oil ring according to claim 1, wherein the raised portion is formed by molding the central wall of the flat portion into a cylindrical shape toward the inner circumference. (3) The combination oil ring according to claim 1, wherein the raised portion is formed by recessing the central wall of the flat portion toward the inner circumference. (4) The combination oil ring according to claim 3, wherein the outer peripheral shape of the raised portion is circular. (5) The combination oil ring according to claim 3, wherein the outer peripheral shape of the raised portion is square. (6) The combination oil ring according to claim 3, wherein the outer peripheral shape of the raised portion is rhombic. (7) If the height of the raised portion is H, and the distance between the raised portion and the bottom surface of the oil ring groove when the combination oil ring is assembled into the oil ring groove is C, then H≧0.2 mm C The combination oil ring according to claim 1, wherein the height of the raised portion is selected to satisfy ≧0.2 mm. (8) The combination oil ring according to claim 1, wherein oil return holes are formed near both sides of the raised portion of the expander.
JP1984180875U 1984-11-30 1984-11-30 Expired - Lifetime JPH054612Y2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1984180875U JPH054612Y2 (en) 1984-11-30 1984-11-30
US06/783,642 US4659093A (en) 1984-11-30 1985-10-03 Three-piece oil-ring with an inward protrusion
DE3540617A DE3540617C2 (en) 1984-11-30 1985-11-15 Three-part oil scraper ring with an internal bulge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984180875U JPH054612Y2 (en) 1984-11-30 1984-11-30

Publications (2)

Publication Number Publication Date
JPS6196047U true JPS6196047U (en) 1986-06-20
JPH054612Y2 JPH054612Y2 (en) 1993-02-04

Family

ID=30738434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984180875U Expired - Lifetime JPH054612Y2 (en) 1984-11-30 1984-11-30

Country Status (1)

Country Link
JP (1) JPH054612Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289553U (en) * 1975-12-26 1977-07-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289553U (en) * 1975-12-26 1977-07-04

Also Published As

Publication number Publication date
JPH054612Y2 (en) 1993-02-04

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