JPS58181057U - piston device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１−図はピストンスラップ音、ライナキャビテーショ
ン発生のメカニズムの説明図、年２図は従来のピストン
装置の縦断面図、第３図は同ピストンの斜視図、第４図
は本考案−実施例の縦断面図、第５図は第４図Ｖ−■線
に沿う断面図、第６図は第４図■方向からの矢視図、第
７図は第４図■部の拡大図、第８図は第７図■−■線に
沿う断面図である。 １はピストン本体、３はパッド、５はピン、６はコンロ
ッド、１３は油室、１４は孔、Ａは給油部、Ｂは給油路
。 第５図　　　　　　　第６図 第７図　　　　　第８１図Figure 1 is an explanatory diagram of the mechanism of piston slap sound and liner cavitation generation, Figure 2 is a vertical cross-sectional view of a conventional piston device, Figure 3 is a perspective view of the same piston, and Figure 4 is an embodiment of the present invention. 5 is a sectional view taken along the line V-■ in FIG. 4, FIG. 6 is a view taken from the direction of FIG. FIG. 8 is a sectional view taken along the line ■-■ in FIG. 7. 1 is a piston body, 3 is a pad, 5 is a pin, 6 is a connecting rod, 13 is an oil chamber, 14 is a hole, A is an oil supply part, and B is an oil supply path. Figure 5 Figure 6 Figure 7 Figure 81

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストン本体１に形成したパッド装着部２にパッド３を
ピストン本体１の半径方向に移動可能に設け、パッド３
とパッド装着部２との間に油室１３を形成すると共にパ
ッド３に油室１３をシリンダライナ１２側に連通ずる孔
１４を設け、前記ピストン本体１に設けたピン５とコン
ロッド６との接触部分を潤滑する給油部Ａを給油路Ｂを
介して前記油室１３に連通したことを特徴とするピスト
ン装置。A pad 3 is provided in a pad mounting portion 2 formed on the piston body 1 so as to be movable in the radial direction of the piston body 1.
An oil chamber 13 is formed between the pad mounting portion 2 and the pad 3, and a hole 14 is provided in the pad 3 to communicate the oil chamber 13 with the cylinder liner 12 side. A piston device characterized in that an oil supply section A for lubricating a portion thereof is communicated with the oil chamber 13 via an oil supply path B.