JPS62154214U - - Google Patents
Info
- Publication number
- JPS62154214U JPS62154214U JP4189186U JP4189186U JPS62154214U JP S62154214 U JPS62154214 U JP S62154214U JP 4189186 U JP4189186 U JP 4189186U JP 4189186 U JP4189186 U JP 4189186U JP S62154214 U JPS62154214 U JP S62154214U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pin bearing
- connecting rod
- piston pin
- oil groove
- 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
- 238000001816 cooling Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
Description
第１図は本考案の一実施例を示す側面断面図、
第２図は第１図の正面部分断面図、第３図は第１
図の要部拡大側断面図、第４図は従来のピストン
冷却構造を示す部分断面図である。
２１……コネクテイングロツド、２２，２５…
…連結端部、２３……クランクピン結合孔、２４
……ピストン、２６，３０……ピストンピン軸受
部、２８……オイル導入通路、２９……オイル溝
、３１……オイル溝。
FIG. 1 is a side sectional view showing an embodiment of the present invention;
Figure 2 is a front partial sectional view of Figure 1, and Figure 3 is a partial cross-sectional view of Figure 1.
FIG. 4 is an enlarged side sectional view of the main part of the figure, and FIG. 4 is a partial sectional view showing a conventional piston cooling structure. 21... Connecting rod, 22, 25...
...Connection end, 23...Crank pin coupling hole, 24
... Piston, 26, 30 ... Piston pin bearing portion, 28 ... Oil introduction passage, 29 ... Oil groove, 31 ... Oil groove.
Claims (1)
連結端部に形成されたクランクピン結合孔内面と
前記コネクテイングロツドのピストンとの連結端
部に形成されたピストンピン軸受部内面とを連通
するオイル導入通路を設ける一方、コネクテイン
グロツド側のピストンピン軸受部内周面には前記
オイル導入通路と連通するオイル溝を、ピストン
側のピストンピン軸受部内周面には前記オイル溝
と連通するオイル溝を、それぞれ形成したことを
特徴とする内燃機関ピストンピン軸受部冷却装置
。 an oil introduction passage that communicates the inner surface of the crank pin coupling hole formed at the connecting end of the connecting rod with the crankshaft and the inner surface of the piston pin bearing formed at the connecting end of the connecting rod with the piston; An oil groove communicating with the oil introduction passage is provided on the inner circumferential surface of the piston pin bearing on the connecting rod side, and an oil groove communicating with the oil groove on the inner circumferential surface of the piston pin bearing on the piston side. An internal combustion engine piston pin bearing cooling device characterized in that each of them is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4189186U JPS62154214U (en) | 1986-03-24 | 1986-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4189186U JPS62154214U (en) | 1986-03-24 | 1986-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62154214U true JPS62154214U (en) | 1987-09-30 |
Family
ID=30857302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4189186U Pending JPS62154214U (en) | 1986-03-24 | 1986-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62154214U (en) |
-
1986
- 1986-03-24 JP JP4189186U patent/JPS62154214U/ja active Pending