JPS648552U - - Google Patents
Info
- Publication number
- JPS648552U JPS648552U JP10345087U JP10345087U JPS648552U JP S648552 U JPS648552 U JP S648552U JP 10345087 U JP10345087 U JP 10345087U JP 10345087 U JP10345087 U JP 10345087U JP S648552 U JPS648552 U JP S648552U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- ring groove
- drilled hole
- recessed portion
- penetrates
- 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
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図ないし第３図は本考案の実施例を示し、
第１図はエンジンのシリンダ部での縦断正面図、
第２図は第１図の−線における断面図、第３
図は第２図の−線における断面図である。ま
た、第４図および第５図は従来例を示し、第４図
は第１図相当図、第５図は第４図のＡ−Ａ線にお
ける断面図である。
１……ピストン、５……ボス部、６……凹部、
７……リング溝、８……キリ穴。
1 to 3 show embodiments of the present invention,
Figure 1 is a longitudinal sectional front view of the engine cylinder section.
Figure 2 is a sectional view taken along the - line in Figure 1;
The figure is a sectional view taken along the - line in FIG. 2. Further, FIGS. 4 and 5 show a conventional example, where FIG. 4 is a view corresponding to FIG. 1, and FIG. 5 is a sectional view taken along line A--A in FIG. 4. 1... Piston, 5... Boss part, 6... Recessed part,
7...Ring groove, 8...Drill hole.
Claims (1)
は内方に凹んだ凹部が形成されているとともに、
上記凹部の上面には最下位置のリング溝へ貫通す
るキリ穴が形成されており、上記キリ穴は、その
中心が上記リング溝の底面と略一致していること
を特徴とするエンジンのピストン構造。 An inwardly recessed portion is formed on the outer end surface of the piston pin boss portion of the piston, and
The piston of the engine is characterized in that a drilled hole is formed in the upper surface of the recessed portion and penetrates to the ring groove at the lowest position, and the center of the drilled hole substantially coincides with the bottom surface of the ring groove. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10345087U JPS648552U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10345087U JPS648552U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648552U true JPS648552U (en) | 1989-01-18 |
Family
ID=31334295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10345087U Pending JPS648552U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648552U (en) |
-
1987
- 1987-07-06 JP JP10345087U patent/JPS648552U/ja active Pending