JPH0274554U

JPH0274554U -

Info

Publication number: JPH0274554U
Application number: JP15439388U
Authority: JP
Priority date: 1988-11-28
Filing date: 1988-11-28
Publication date: 1990-06-07

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示し、第１図は樹脂
パイプ及びガイド棒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で合口が
拡げられた状態を示し、第２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３図は樹脂パイプをスペ
ーサエキスパンダに挿入する際の説明図、第４図
は一対の樹脂パイプを装着したガイド棒の平面図
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はオイル孔、８，９は字状切り込み、
１０，１１は樹脂パイプ、１２，１３は合口、１
４はガイド棒、１５，１６は係止部、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。 The drawings show one embodiment of the present invention, and FIG. 1 is a partial cross-sectional plan view showing the vicinity of the abutment of a spacer expander equipped with a resin pipe and a guide rod, showing the state in which the abutment is expanded, and FIG. is a cross-sectional view of the ring groove part of the piston incorporating the spacer expander and side rail, Figure 3 is an explanatory diagram of inserting a resin pipe into the spacer expander, and Figure 4 is a guide rod with a pair of resin pipes attached. FIG. 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 is an oil hole, 8 and 9 are character-shaped notches,
10 and 11 are resin pipes, 12 and 13 are abutments, 1
4 is a guide rod, 15 and 16 are locking parts, 17 is a piston, 18 is a piston ring groove, 19 and 20 are side rails, and 21 is a cylinder.

Claims

[Scope of utility model registration request]

A resin pipe is arranged on one abutment side of the spacer expander, a resin pipe is also arranged on the other abutment side, and a guide rod that is inserted through these resin pipes is provided across both abutments. A spacer expander abutment overlap prevention structure characterized by the following.