JPH0382806U - - Google Patents
Info
- Publication number
- JPH0382806U JPH0382806U JP14253189U JP14253189U JPH0382806U JP H0382806 U JPH0382806 U JP H0382806U JP 14253189 U JP14253189 U JP 14253189U JP 14253189 U JP14253189 U JP 14253189U JP H0382806 U JPH0382806 U JP H0382806U
- Authority
- JP
- Japan
- Prior art keywords
- rocker arm
- partially spherical
- cylinder head
- collapsing
- concave portion
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 description 4
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１、２図はこの考案の実施例を示し、第１図
はロツカアームの倒れ防止構造の概略平面図、第
２図はロツカアームの倒れ防止構造の概略拡大側
面図である。第３〜５図はこの考案の従来の技術
を示し、第３図はロツカアームの倒れ防止構造の
概略拡大側面図、第４図はロツカアームの倒れ防
止構造の概略平面図、第５図はロツカアームの倒
れ防止構造の要部拡大説明図である。
図において、２…内燃機関、４…シリンダヘツ
ド、６…動弁室、８…カムシヤフト、１０…バル
ブステム、１２…排気バルブスプリング、１４…
部分球面状窪部、１６…ロツカアーム、１８…ピ
ボツト軸、２０…部分球面状突部、２２…カム当
接部、２４…バルブステム押圧部、２６…リブ部
、２８…第１リブ部、３０…第２リブ部である。
1 and 2 show an embodiment of this invention, with FIG. 1 being a schematic plan view of a structure for preventing the rocker arm from falling, and FIG. 2 being a schematic enlarged side view of the structure for preventing the rocker arm from falling. 3 to 5 show the conventional technology of this invention, FIG. 3 is a schematic enlarged side view of the rocker arm collapse prevention structure, FIG. 4 is a schematic plan view of the rocker arm collapse prevention structure, and FIG. 5 is the rocker arm collapse prevention structure. FIG. 2 is an enlarged explanatory view of the main parts of the collapse prevention structure. In the figure, 2... internal combustion engine, 4... cylinder head, 6... valve train chamber, 8... camshaft, 10... valve stem, 12... exhaust valve spring, 14...
Partially spherical recessed part, 16... Rocker arm, 18... Pivot shaft, 20... Partially spherical protrusion, 22... Cam contact part, 24... Valve stem pressing part, 26... Rib part, 28... First rib part, 30 ...This is the second rib portion.
Claims (1)
状窪部にピボツト軸の部分球面状突部を揺動可能
に係合して設けたロツカアームにおいて、前記部
分球面状窪部近傍のシリンダヘツドの内面に前記
ロツカアームの倒れの防止すべくロツカアームの
一端側の両側面を保持するリブ部を前記シリンダ
ヘツドと一体的且つ突出させて設けたことを特徴
とするロツカアームの倒れ防止構造。 In a rocker arm in which a partially spherical protrusion of a pivot shaft is swingably engaged with a partially spherical concave portion formed in a cylinder head of an internal combustion engine, the rocker arm is provided with a partially spherical protrusion formed on the inner surface of the cylinder head near the partially spherical concave portion. A structure for preventing the rocker arm from collapsing, characterized in that a rib portion for holding both side surfaces of one end of the rocker arm is provided integrally with and protruding from the cylinder head in order to prevent the rocker arm from collapsing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14253189U JPH0382806U (en) | 1989-12-08 | 1989-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14253189U JPH0382806U (en) | 1989-12-08 | 1989-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382806U true JPH0382806U (en) | 1991-08-23 |
Family
ID=31689356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14253189U Pending JPH0382806U (en) | 1989-12-08 | 1989-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382806U (en) |
-
1989
- 1989-12-08 JP JP14253189U patent/JPH0382806U/ja active Pending