JPH02113060U - - Google Patents

Description

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

第１図は本考案の一実施例を示す斜視図、第２
図は第１図の正面図、第３図は変形実施例を示す
正面図、第４図は第３図の側面図、第５図はピス
トン、ピストンピン及びコンロツドの接続関係を
示す側断面図、第６図は及び第７図は従来例を示
す斜視図、第８図はピストンピンの変形を示す側
断面図、第９図は第８図の正面図、第１０図は及
び第１１図は従来例を示す部分側断面図である。 図中、１はコンロツド、３はピストンピン、４
はピストンピンの中央部、５はピストンピンの両
端部、６はピストン、７はピストンのボス部、８
はボス部嵌合面、９は荷重方向側部、１０は油溜
溝である。 Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a front view of Fig. 1, Fig. 3 is a front view showing a modified embodiment, Fig. 4 is a side view of Fig. 3, and Fig. 5 is a side sectional view showing the connection relationship between the piston, piston pin, and connecting rod. , FIG. 6 and FIG. 7 are perspective views showing the conventional example, FIG. 8 is a side sectional view showing deformation of the piston pin, FIG. 9 is a front view of FIG. 8, and FIGS. 10 and 11. is a partial side sectional view showing a conventional example. In the diagram, 1 is the connecting rod, 3 is the piston pin, and 4 is the connecting rod.
is the center part of the piston pin, 5 is both ends of the piston pin, 6 is the piston, 7 is the boss part of the piston, 8
9 is a boss fitting surface, 9 is a side portion in the load direction, and 10 is an oil sump groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コンロツドに中央部が圧入され、両端部がピス
トンのボス部に回転自在に嵌合されるピストンピ
ンのボス部嵌合面に、上記ピストンの荷重方向側
部に位置させて潤滑油の油溜溝を形成したピスト
ンピン構造。 A piston pin whose central part is press-fitted into the connecting rod and whose both ends are rotatably fitted to the boss part of the piston has an oil reservoir groove for lubricating oil located on the side of the piston in the load direction. Piston pin structure formed.