JPH0290344U - - Google Patents
Info
- Publication number
- JPH0290344U JPH0290344U JP17030288U JP17030288U JPH0290344U JP H0290344 U JPH0290344 U JP H0290344U JP 17030288 U JP17030288 U JP 17030288U JP 17030288 U JP17030288 U JP 17030288U JP H0290344 U JPH0290344 U JP H0290344U
- Authority
- JP
- Japan
- Prior art keywords
- plug tube
- rocker cover
- plug
- fitting hole
- tube
- 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
- 238000007789 sealing Methods 0.000 claims description 3
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、１３……プラ
グチユーブガスケツト、１６……リツプ部、１７
……膨出部。
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 FIG. 4 is a longitudinal sectional side view 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, 13 ... Plug tube gasket, 16 ... Lip part, 17
...bulge.
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装着
時にその下面によつて押圧され、前記リツプ部を
外側に強制的に弾性変形させるとともに前記嵌合
穴から露出する膨出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 rocker cover, a plug tube gasket that is attached to the outer periphery of the upper end of the plug tube and has a lip portion at the upper end that is elastically pressed against the lower surface of the rocker cover; It is characterized by comprising a protruding part which is provided integrally and is pressed by the lower surface of the rocker cover when it is installed, forcibly elastically deforming the lip part outward and exposed from the fitting hole. Seal structure between rocker cover and plug tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17030288U JPH0290344U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17030288U JPH0290344U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290344U true JPH0290344U (en) | 1990-07-18 |
Family
ID=31461128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17030288U Pending JPH0290344U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290344U (en) |
-
1988
- 1988-12-28 JP JP17030288U patent/JPH0290344U/ja active Pending