JPS6451748U

JPS6451748U -

Info

Publication number: JPS6451748U
Application number: JP14656087U
Authority: JP
Priority date: 1987-09-26
Filing date: 1987-09-26
Publication date: 1989-03-30
Also published as: JPH0420995Y2

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示し、第１図はコイル
スプリングとガイド棒付コイルスプリングを装着
したスペーサエキスパンダの合口部付近を示す一
部断面平面図、第２図は第１図の―線断面図
、第３図は第１図の―線断面図、第４図は第
１図の右側部の斜視図、第５図はコイルスプリン
グの正面図、第６図は第５図の側面図、第７図は
ガイド棒付コイルスプリングの正面図、第８図は
スペーサエキスパンダとサイドレールを組み込ん
だピストンのリング溝部分の断面図、第９図はコ
イルスプリングの別の固定例を示すスペーサエキ
スパンダの断面図、第１０〜１２図は軸方向断面
形状が異なる別のスペーサエキスパンダの第８図
に対応する断面図、第１３図は円周方向波型のス
ペーサエキスパンダの第８図に対応する断面図、
第１４図は同スペーサエキスパンダ部分の平面図
、第１５図はオイルリングの第８図に対応する断
面図である。１はスペーサエキスパンダ、２は上部片、３は
下部片、４は連結部片、５，６はサイドレール押
圧片、７，２７はオイル孔、８ａ，８ｂは切り込
み、９，１０ａはコイルスプリング、１０はガイ
ド棒付コイルスプリング、１０ｂはガイド棒、１
１，１２は合口、１７はピストン、１８はピスト
ンリング溝、１９，２０はサイドレール、２１は
シリンダ、２２は弾性体、２３はサイドレール部
、２４は外側頂部片、２５は内側底部片、２６は
中間部片。 The drawings show an embodiment of the present invention, and FIG. 1 is a partially sectional plan view showing the vicinity of the abutment of a spacer expander equipped with a coil spring and a coil spring with a guide rod, and FIG. 2 is taken along the line - in FIG. 3 is a cross-sectional view of FIG. 1, FIG. 4 is a perspective view of the right side of FIG. 1, FIG. 5 is a front view of the coil spring, and FIG. 6 is a side view of FIG. 5. , Fig. 7 is a front view of a coil spring with a guide rod, Fig. 8 is a sectional view of a ring groove portion of a piston incorporating a spacer expander and a side rail, and Fig. 9 is a spacer showing another example of fixing a coil spring. A cross-sectional view of the expander. FIGS. 10 to 12 are cross-sectional views corresponding to FIG. 8 of another spacer expander with a different axial cross-sectional shape. FIG. A cross-sectional view corresponding to
FIG. 14 is a plan view of the spacer expander portion, and FIG. 15 is a sectional view of the oil ring corresponding to FIG. 8. 1 is a spacer expander, 2 is an upper piece, 3 is a lower piece, 4 is a connecting piece, 5 and 6 are side rail pressing pieces, 7 and 27 are oil holes, 8a and 8b are notches, 9 and 10a are coil springs , 10 is a coil spring with a guide rod, 10b is a guide rod, 1
1 and 12 are abutment, 17 is a piston, 18 is a piston ring groove, 19 and 20 are side rails, 21 is a cylinder, 22 is an elastic body, 23 is a side rail part, 24 is an outer top piece, 25 is an inner bottom piece, 26 is an intermediate piece.

Claims

[Scope of utility model registration request]

A coil spring is fixed to one abutment side of the spacer expander, and a coil spring with a guide rod is fixed to the other abutment side along the circumferential direction of the spacer expander. A spacer expander abutment overlap prevention structure, characterized in that the spacer expander is inserted through the other coil spring and is disposed astride both abutments of the spacer expander.