JPS639443U - - Google Patents
Info
- Publication number
- JPS639443U JPS639443U JP10211986U JP10211986U JPS639443U JP S639443 U JPS639443 U JP S639443U JP 10211986 U JP10211986 U JP 10211986U JP 10211986 U JP10211986 U JP 10211986U JP S639443 U JPS639443 U JP S639443U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- thin
- piston
- walled
- abutment part
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
ピストンリング構造の要部断面図、第２図は第１
図の装置における薄内リングの合い口部近傍の斜
視図、第３図は第１実施例の変形例を示した断面
図、第４図は本考案の第２実施例に係る内燃機関
のピストンリング構造の要部断面図、第５図は従
来のピストンリング構造の一例を示した断面図、
第６図は第５図におけるピストンリングの回り止
め手段の斜視図、第７図は従来のピストンリング
の回り止め手段の別の例を示す断面図、である。
１２……ピストン、１３……ピストンリング溝
、１４……オイルリング溝、１５……薄肉リング
溝、１６……圧力リング、１７，３１……薄肉リ
ング、１８……薄肉リングの合い口部、１８ａ…
…切欠部、２０……回り止め手段としてのガイド
ピン。
FIG. 1 is a sectional view of a main part of a piston ring structure for an internal combustion engine according to a first embodiment of the present invention, and FIG.
FIG. 3 is a sectional view showing a modification of the first embodiment; FIG. 4 is a piston of an internal combustion engine according to the second embodiment of the present invention. A sectional view of the main part of the ring structure, FIG. 5 is a sectional view showing an example of a conventional piston ring structure,
FIG. 6 is a perspective view of the piston ring rotation prevention means in FIG. 5, and FIG. 7 is a sectional view showing another example of the conventional piston ring rotation prevention means. 12... Piston, 13... Piston ring groove, 14... Oil ring groove, 15... Thin wall ring groove, 16... Pressure ring, 17, 31... Thin wall ring, 18... Thin ring joint part, 18a...
...Notch, 20...Guide pin as rotation prevention means.
Claims (1)
トンに形成された１つのピストンリング溝に、外
周面に凹状の薄肉リング溝を有する圧力リングを
装着するとともに、該圧力リングの前記薄肉リン
グ溝に薄肉リングを装着し、該薄肉リングの合い
口部に、前記圧力リングの合い口部と薄肉リング
の合い口部とが重なるのを防止する回り止め手段
を配置したことを特徴とする内燃機関のピストン
リング構造。 In a piston of a reciprocating internal combustion engine, a pressure ring having a concave thin-walled ring groove on the outer peripheral surface is attached to one piston ring groove formed in the piston, and a thin-walled ring is attached to the thin-walled ring groove of the pressure ring. A piston ring for an internal combustion engine, characterized in that a rotation preventing means is disposed at the abutment part of the thin-walled ring to prevent the abutment part of the pressure ring and the abutment part of the thin-walled ring from overlapping. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10211986U JPS639443U (en) | 1986-07-04 | 1986-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10211986U JPS639443U (en) | 1986-07-04 | 1986-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS639443U true JPS639443U (en) | 1988-01-22 |
Family
ID=30973474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10211986U Pending JPS639443U (en) | 1986-07-04 | 1986-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639443U (en) |
-
1986
- 1986-07-04 JP JP10211986U patent/JPS639443U/ja active Pending
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