JPS6141826U

JPS6141826U - Seal mechanism of piston cooling device

Info

Publication number: JPS6141826U
Application number: JP12565184U
Authority: JP
Inventors: 收本村; 徹中村
Original assignee: 三菱重工業株式会社
Priority date: 1984-08-18
Filing date: 1984-08-18
Publication date: 1986-03-17
Also published as: JPH0346173Y2

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

[Brief explanation of drawings]

第１図は本考案に係るシール部構造の断面図、第２図は
スクレーパリングの斜視図、第２図ｂ，Ｃは第２図ａの
２形式部品に対する２−４断面図、第２図ｄは第２図ａ
の４−２２矢視図、第３区ａはタイトリングの斜視図、
第３図ｂ，ｃは第３図ａの２形式部品に対するＷ一
Ｗ断面図、第３図ｄ｛よ第３図ａのＷ２−Ｗ，矢視図、
第４図はテレスコパイプ式ピストン冷却方式の説明図、
第５〜６図は従来例に関するもので、第５図はシール部
構造の断面図、第６図はジョイントリングで第６図ａは
斜視図、第６図ｂは第６図ａのＹ１−Ｙ１断面図、第６
図Ｃは第６図ａのＹ２−Ｙ２の矢視図である。２・・・ピストン冠、５・・・往復動冷却水導管、−１
８・・・スクレーパリング、１８ａ・・・内周面凹部、
１８−ｂ・・・外周面凹部、１８ｄ・・・貫通穴、２０
・・・タイトリング、２０ｂ・・・外周面凹部、２０ｅ
・・・ステップ状分割面。Figure 1 is a sectional view of the seal structure according to the present invention, Figure 2 is a perspective view of the scraper ring, Figures 2b and C are 2-4 sectional views of the type 2 parts in Figure 2a, and Figure 2 is a perspective view of the scraper ring. d is Figure 2a
4-22 arrow view, 3rd section a is a perspective view of the title ring,
Figures 3b and 3c are W-W sectional views of the type 2 parts in Figure 3a, Figure 3d is a W2-W, arrow-directed view in Figure 3a,
Figure 4 is an explanatory diagram of the telescopic pipe type piston cooling system.
Figures 5 and 6 relate to conventional examples, with Figure 5 being a sectional view of the seal structure, Figure 6 being a joint ring, Figure 6a being a perspective view, and Figure 6b being Y1-Y1 in Figure 6a. Y1 sectional view, 6th
Figure C is a view taken along the line Y2-Y2 in Figure 6a. 2... Piston crown, 5... Reciprocating cooling water conduit, -1
8...Scraper ring, 18a...Inner peripheral surface recess,
18-b...Outer peripheral surface recess, 18d...Through hole, 20
...Title ring, 20b...Outer circumferential surface recess, 20e
...Stepped dividing surface.

Claims

[Scope of utility model registration request]

In the seal structure of a piston cooling device that cools the piston crown of a large marine diesel engine by providing a reciprocating cooling water conduit, a recess having a vertical dividing surface and provided on an inner peripheral surface and an outer peripheral surface, and both recesses are provided. A scraper ring having a through-hole formed through it, a title ring having a step-shaped split surface and a recessed portion on the outer peripheral surface, and a plurality of the above scraper rings and the above title rings are installed in combination. A seal structure of a piston cooling device characterized by: