JPH0290345U - - Google Patents
Info
- Publication number
- JPH0290345U JPH0290345U JP17030388U JP17030388U JPH0290345U JP H0290345 U JPH0290345 U JP H0290345U JP 17030388 U JP17030388 U JP 17030388U JP 17030388 U JP17030388 U JP 17030388U JP H0290345 U JPH0290345 U JP H0290345U
- Authority
- JP
- Japan
- Prior art keywords
- plug tube
- rocker cover
- lip portion
- plug
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図乃至第３図はこの考案の一実施例を示す
もので、第１図はロツカカバーとプラグチユーブ
とのシール構造を示す縦断側面図、第２図は同じ
く要部を拡大した縦断側面図、第３図ａ〜ｃは組
立順序を示す縦断側面図、第４図および第５図は
従来のロツカカバーとプラグチユーブとのシール
構造を示す縦断側面図である。
２……プラグチユーブ、３……点火プラグ、４
……ロツカカバー、５……嵌合穴、１５……プラ
グチユーブガスケツト、１７……第１のリツプ部
、１８……第２のリツプ部。
Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a longitudinal sectional side view showing the sealing structure between the rocker cover and the plug tube, and Figure 2 being a longitudinal sectional side view enlarging the main parts. , FIGS. 3a to 3c are longitudinal sectional side views showing the assembly sequence, and FIGS. 4 and 5 are longitudinal sectional side views showing a conventional sealing structure between a rocker cover and a plug tube. 2...Plug tube, 3...Spark plug, 4
... Locker cover, 5 ... Fitting hole, 15 ... Plug tube gasket, 17 ... First lip part, 18 ... Second lip part.
Claims (1)
チユーブガスケツトによつてシールするシール構
造において、内部に点火プラグが挿通されるプラ
グチユーブと、このプラグチユーブの上端部が嵌
合される嵌合穴を有したロツカカバーと、前記プ
ラグチユーブの上端部外周に装着され上端部に前
記ロツカカバーの下面に弾性的に押圧される第１
のリツプ部を有するプラグチユーブガスケツトと
、このプラグチユーブガスケツトの第１のリツプ
部の内周面に一体に突出して設けられ前記ロツカ
カバーの嵌合穴の内周面に弾性的に接触する第２
のリツプ部とを具備したことを特徴とするロツカ
カバーとプラグチユーブとのシール構造。 A sealing structure in which a plug tube gasket seals between a rocker cover and a plug tube, the plug tube having a plug tube into which a spark plug is inserted, and a fitting hole into which an upper end of the plug tube is fitted. a first rocker cover, which is attached to the outer periphery of the upper end of the plug tube and whose upper end is elastically pressed against the lower surface of the rocker cover;
a plug tube gasket having a lip portion; a first lip portion integrally provided on the inner circumferential surface of the first lip portion of the plug tube gasket and elastically contacting the inner circumferential surface of the fitting hole of the rocker cover; 2
A sealing structure between a rocker cover and a plug tube, characterized by having a lip portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17030388U JPH0290345U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17030388U JPH0290345U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290345U true JPH0290345U (en) | 1990-07-18 |
Family
ID=31461130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17030388U Pending JPH0290345U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290345U (en) |
-
1988
- 1988-12-28 JP JP17030388U patent/JPH0290345U/ja active Pending