JPS62195646U - - Google Patents
Info
- Publication number
- JPS62195646U JPS62195646U JP8366386U JP8366386U JPS62195646U JP S62195646 U JPS62195646 U JP S62195646U JP 8366386 U JP8366386 U JP 8366386U JP 8366386 U JP8366386 U JP 8366386U JP S62195646 U JPS62195646 U JP S62195646U
- Authority
- JP
- Japan
- Prior art keywords
- plug tube
- circumferential surface
- cylinder head
- head cover
- peripheral surface
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Gasket Seals (AREA)
Description
第１図は本考案の第１実施例に係るシリンダヘ
ツドカバーとプラグチユーブ間のシール構造の縦
断面図、第２図は第１図の装置の部分拡大縦断面
図、第３図は第２図の装置の部分縦断面図、第４
図は本考案の第２実施例に係るシリンダヘツドカ
バーとプラグチユーブ間のシール構造の縦断面図
、第５図は本考案の第３実施例に係るシリンダヘ
ツドカバーとプラグチユーブ間のシール構造の縦
断面図、第６図は従来のシール構造の縦断面図、
である。
１１……シリンダヘツドカバー、１２……プラ
グチユーブ、１２ａ……プラグチユーブ外周面、
１３……プラグチユーブガスケツト、１５……円
筒状壁、１５ａ……円筒状壁内周面、１６……遮
断壁、１７……主リツプ、１８……シリンダヘツ
ドカバー装着部、１９，２４……蛇腹部、２０…
…スプリング、２２……突起、２３……金属環。
FIG. 1 is a vertical sectional view of a seal structure between a cylinder head cover and a plug tube according to a first embodiment of the present invention, FIG. 2 is a partially enlarged vertical sectional view of the device shown in FIG. 1, and FIG. Partial longitudinal sectional view of the device shown in Figure 4.
The figure is a longitudinal sectional view of the seal structure between the cylinder head cover and the plug tube according to the second embodiment of the present invention, and FIG. 5 is the seal structure between the cylinder head cover and the plug tube according to the third embodiment of the present invention. A vertical cross-sectional view, FIG. 6 is a vertical cross-sectional view of a conventional seal structure,
It is. 11...Cylinder head cover, 12...Plug tube, 12a...Plug tube outer circumferential surface,
13... Plug tube gasket, 15... Cylindrical wall, 15a... Cylindrical wall inner peripheral surface, 16... Blocking wall, 17... Main lip, 18... Cylinder head cover mounting portion, 19, 24... ...bellows, 20...
...Spring, 22...Protrusion, 23...Metal ring.
Claims (1)
プラグチユーブガスケツトでシールするシール構
造において、シリンダヘツドカバーに、プラグチ
ユーブ外周面と間隔をもつて該外周面と並行に延
びる円筒状壁と、該円筒状壁の下端部に接続され
プラグチユーブ外周面に向かつて延びることによ
り前記円筒状壁内周面とプラグチユーブ外周面間
部をシリンダヘツドカバー内部から隔離する遮断
壁を設け、前記円筒状壁内周面とプラグチユーブ
外周面との間にプラグチユーブガスケツトを介装
し、該プラグチユーブガスケツトを、前記プラグ
チユーブ外周面に沿つて環状に延び該外周面に押
圧される主リツプと、該主リツプ部に設けられ主
リツプをプラグチユーブ外周面に向けて付勢する
環状のスプリングと、前記円筒状壁内周面に装着
されるシリンダヘツドカバー装着部と、該シリン
ダヘツドカバー装着部と前記主リツプ部とを接続
し、プラグチユーブ外周面と円筒状壁内周面間寸
法の変動を吸収する方向に作動可能な蛇腹部と、
から構成したことを特徴とするシリンダヘツドカ
バーとプラグチユーブ間のシール構造。 In a sealing structure in which a plug tube gasket seals between a cylinder head cover and a plug tube, the cylinder head cover includes a cylindrical wall extending parallel to the outer circumferential surface of the plug tube at a distance from the outer circumferential surface of the plug tube; A blocking wall is provided that is connected to the lower end of the plug tube and extends toward the outer circumferential surface of the plug tube to isolate the area between the inner circumferential surface of the cylindrical wall and the outer circumferential surface of the plug tube from the inside of the cylinder head cover, and the inner circumferential surface of the cylindrical wall A plug tube gasket is interposed between the outer peripheral surface of the plug tube and the outer peripheral surface of the plug tube, and the main lip extends annularly along the outer peripheral surface of the plug tube and is pressed against the outer peripheral surface; an annular spring provided in the plug tube and biasing the main lip toward the outer peripheral surface of the plug tube; a cylinder head cover mounting part mounted on the inner peripheral surface of the cylindrical wall; and the cylinder head cover mounting part and the main lip. a bellows portion connected to the plug tube and operable in a direction to absorb variations in dimensions between the outer circumferential surface of the plug tube and the inner circumferential surface of the cylindrical wall;
A sealing structure between a cylinder head cover and a plug tube, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8366386U JPH045715Y2 (en) | 1986-06-03 | 1986-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8366386U JPH045715Y2 (en) | 1986-06-03 | 1986-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62195646U true JPS62195646U (en) | 1987-12-12 |
| JPH045715Y2 JPH045715Y2 (en) | 1992-02-18 |
Family
ID=30937451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8366386U Expired JPH045715Y2 (en) | 1986-06-03 | 1986-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045715Y2 (en) |
-
1986
- 1986-06-03 JP JP8366386U patent/JPH045715Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045715Y2 (en) | 1992-02-18 |