JPH0411205U - - Google Patents
Info
- Publication number
- JPH0411205U JPH0411205U JP5185890U JP5185890U JPH0411205U JP H0411205 U JPH0411205 U JP H0411205U JP 5185890 U JP5185890 U JP 5185890U JP 5185890 U JP5185890 U JP 5185890U JP H0411205 U JPH0411205 U JP H0411205U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- connecting rod
- piston
- oil jet
- combustion engine
- 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
- 239000003921 oil Substances 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図〜第３図は本考案の一実施例を示す図で
、第１図は断面図、第２図はコネクテイングロツ
ドの小端部とＩセクシヨンとの結合部付近を示す
図、第３図はシリンダを下より見上げた平面図、
第４図〜第６図は一実施例におけるオイルジエツ
トによるピストンの潤滑及び冷却について説明す
る説明図で、第４図はオイルジエツトより噴射さ
れたオイルが直接給油貫通孔に供給されている状
態を示す説明図、第５図はオイルジエツトより噴
射されたオイルがコネクテイングロツド小端部側
面に当たり四散している状態を示す説明図、第６
図はオイルジエツトより噴射されたオイルがピス
トン冠面裏を冷却している状態を示す説明図、第
７図〜第８図は本考案の他の実施例を示す図で、
第７図は正面図、第８図は側面図、第９図〜第１
１図は他の実施例におけるオイルジエツトによる
ピストンの潤滑及び冷却について説明する説明図
で、第９図はオイルジエツトより噴射されたオイ
ルがオイルガイドに当たり給油貫通孔に給油され
ている状態を示す説明図、第１０図はオイルジエ
ツトより噴射されたオイルがピストン冠面裏を冷
却している状態を示す説明図、第１１図は同じく
オイルジエツトより噴射されたオイルがピストン
冠面裏を冷却している状態を示す説明図、第１２
図は従来例を示す断面図、第１３図は他の従来例
を示す断面図である。
１……ピストン、２……コネクテイングロツド
、３……ピストンピン、４……コネクテイングロ
ツド小端部、５……コネクテイングロツドＩセク
シヨン、６……結合部、７……結合部付近、８…
…給油貫通孔、１６……シリンダボア、１７……
オイルジエツト、１８……ピストンスカート、１
９……ピストン冠面裏、２０……オイル入口、２
１……オイルガイド。
1 to 3 are views showing one embodiment of the present invention, in which FIG. 1 is a sectional view, FIG. 2 is a view showing the vicinity of the joint between the small end of the connecting rod and the I section, Figure 3 is a plan view of the cylinder looking up from below.
Figures 4 to 6 are explanatory diagrams explaining the lubrication and cooling of the piston by the oil jet in one embodiment, and Figure 4 is an illustration showing a state in which oil injected from the oil jet is directly supplied to the oil supply through hole. Figure 5 is an explanatory diagram showing a state in which the oil injected from the oil jet hits the side surface of the small end of the connecting rod and is dispersed.
The figure is an explanatory diagram showing a state in which oil injected from an oil jet cools the back of the piston crown surface, and Figures 7 and 8 are diagrams showing other embodiments of the present invention.
Figure 7 is a front view, Figure 8 is a side view, Figures 9 to 1
Fig. 1 is an explanatory diagram for explaining lubrication and cooling of a piston by an oil jet in another embodiment, and Fig. 9 is an explanatory diagram showing a state in which oil injected from an oil jet hits an oil guide and is supplied to an oil supply through hole. Fig. 10 is an explanatory diagram showing a state in which oil injected from the oil jet cools the back of the piston crown, and Fig. 11 shows a state in which oil injected from the oil jet cools the back of the piston crown. Explanatory diagram, 12th
The figure is a sectional view showing a conventional example, and FIG. 13 is a sectional view showing another conventional example. DESCRIPTION OF SYMBOLS 1...Piston, 2...Connecting rod, 3...Piston pin, 4...Connecting rod small end, 5...Connecting rod I section, 6...Joining part, 7...Joining Near the section, 8...
...Oil supply through hole, 16...Cylinder bore, 17...
Oil jet, 18...Piston skirt, 1
9... Back of piston crown surface, 20... Oil inlet, 2
1...Oil guide.
Claims (1)
との結合部付近に、その開口方向がオイルジエツ
トのオイル噴射方向とピストンの一往復運動中の
任意期間に一致する、ピストンピンとコネクテイ
ングロツドの摺接部へ潤滑油を給油する給油貫通
孔を設けたことを特徴とする内燃機関のコネクテ
イングロツド。 There is a sliding contact between the piston pin and the connecting rod near the joint between the small end of the connecting rod and the I section, the opening direction of which coincides with the oil jet direction of the oil jet and any period during one reciprocating movement of the piston. A connecting rod for an internal combustion engine, characterized in that it is provided with an oil supply through hole for supplying lubricating oil to the internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5185890U JPH0411205U (en) | 1990-05-18 | 1990-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5185890U JPH0411205U (en) | 1990-05-18 | 1990-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0411205U true JPH0411205U (en) | 1992-01-30 |
Family
ID=31571663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5185890U Pending JPH0411205U (en) | 1990-05-18 | 1990-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012215138A (en) * | 2011-04-01 | 2012-11-08 | Mazda Motor Corp | Oil supply device of piston for internal combustion engine |
| JP2013068119A (en) * | 2011-09-21 | 2013-04-18 | Makita Corp | Engine for portable working machine |
| JP2015001287A (en) * | 2013-06-17 | 2015-01-05 | 本田技研工業株式会社 | Lubricating oil supply structure |
-
1990
- 1990-05-18 JP JP5185890U patent/JPH0411205U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012215138A (en) * | 2011-04-01 | 2012-11-08 | Mazda Motor Corp | Oil supply device of piston for internal combustion engine |
| JP2013068119A (en) * | 2011-09-21 | 2013-04-18 | Makita Corp | Engine for portable working machine |
| JP2015001287A (en) * | 2013-06-17 | 2015-01-05 | 本田技研工業株式会社 | Lubricating oil supply structure |
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