JPS6447906U - - Google Patents
Info
- Publication number
- JPS6447906U JPS6447906U JP14401987U JP14401987U JPS6447906U JP S6447906 U JPS6447906 U JP S6447906U JP 14401987 U JP14401987 U JP 14401987U JP 14401987 U JP14401987 U JP 14401987U JP S6447906 U JPS6447906 U JP S6447906U
- Authority
- JP
- Japan
- Prior art keywords
- spherical
- radius
- spherical part
- arm
- center
- 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 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第1図はこの考案にかかるピボツトロツカーア
ームの球状部とスクリユーアジヤストタペツト凹
部との嵌合状態を示す縦断面図、第2図は前記ピ
ボツトロツカーアームの加工途中の縦断面図、第
3図は該ピボツトロツカーアームの凹部の球面を
加工する際使用するパンチの形状を示す正面図、
第4図は加工後のピボツトロツカーアームの縦断
面図、第5図はピボツトロツカーアームとスクリ
ユーアジヤストタペツトとの嵌合状態の拡大図、
第6図及び第7図は従来のピボツトロツカーアー
ムとスクリユーアジヤストタペツトとの嵌合状態
を示した断面図、第8図は頭上弁式内燃機関の一
部断面図である。
1……ピボツトロツカーアーム、1A……ピボ
ツトロツカーアーム凹部、1B……ピボツトロツ
カーアーム凹部の円筒部、2……スクリユーアジ
ヤストタペツト、2A……スクリユーアジヤスト
タペツト球状部、3……パンチ、3A……パンチ
円筒部。
Fig. 1 is a longitudinal cross-sectional view showing the fitted state of the spherical part of the pivot trotcher arm and the screw adjustment tappet recess according to this invention, and Fig. 2 is a longitudinal sectional view of the pivot trocar arm in the middle of processing. Figure 3 is a front view showing the shape of a punch used when processing the spherical surface of the recess of the pivot trocar arm;
Fig. 4 is a longitudinal cross-sectional view of the pivot trosker arm after processing, and Fig. 5 is an enlarged view of the fitted state of the pivot trosker arm and the screw adjuster tappet.
6 and 7 are cross-sectional views showing a conventional pivot locker arm and screw adjustment tappet in a fitted state, and FIG. 8 is a partial cross-sectional view of an overhead valve type internal combustion engine. 1... Pivot Trocker Arm, 1A... Pivot Trocker Arm Recess, 1B... Cylindrical part of Pivot Trocker Arm Recess, 2... Screw Adjust Tappet, 2A... Screw Adjust Tappet Spherical Part, 3...Punch, 3A...Punch cylindrical part.
Claims (1)
ーアジヤストタペツトの球状部を嵌合してなるロ
ツカーアームのピボツトジヨイントにおいて、前
記ピボツトロツカーアームの凹部球面を、球面の
中心線上に中心があり前記アジヤストスクリユー
タペツトの球状部と同一半径R0を有する球面部
と、球面の中心線上にあり前記半径R0を有する
球面部の中心より少し上に中心があり、 R1>R0となる半径R1を有する球面部と、
球面の中心線上にあり前記半径R0を有する球面
部の中心より少し下に中心があり、R2<R0と
なる半径R2を有する球面部と、を滑らかにつな
いで出来た形状とし、更に該ピボツトロツカーア
ームの凹部球面上部に、前記半径R1を有する球
面部の半径より僅かに大きい半径を有する円筒部
を設け、前記スクリユーアジヤストタペツトの球
状部を該ピボツトロツカーアームの凹部球面に嵌
合せしめた後、該凹部球面上端部外径(又は内径
)を絞り加工したことを特徴とするロツカーアー
ムのピボツトジヨイント。[Claims for Utility Model Registration] In a pivot joint of a rocker arm, which is formed by fitting a spherical part of a screw adjuster tappet into a spherical part of a recessed part of a pivot trocar arm, A spherical part whose center is on the center line of the spherical surface and has the same radius R0 as the spherical part of the adjuster tape; and a spherical part whose center is slightly above the center of the spherical part which is on the center line of the spherical surface and has the radius R0 . a spherical part having a radius R1 such that R1 >R0;
The spherical part is located on the center line of the spherical surface and has a center slightly below the center of the spherical part having the radius R 0 , and the spherical part has a radius R 2 where R 2 <R 0 . Furthermore, a cylindrical portion having a radius slightly larger than the radius of the spherical portion having the radius R1 is provided above the recessed spherical surface of the pivot locker arm, and the spherical portion of the screw adjustment tappet is connected to the pivot locker. A pivot joint for a rocker arm, characterized in that the outer diameter (or inner diameter) of the upper end of the spherical surface of the recess is drawn after being fitted into the spherical surface of the recess of the arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14401987U JPS6447906U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14401987U JPS6447906U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6447906U true JPS6447906U (en) | 1989-03-24 |
Family
ID=31411356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14401987U Pending JPS6447906U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6447906U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020015116A (en) * | 2000-08-21 | 2002-02-27 | 이계안 | Gap adjusting instrument |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6181503A (en) * | 1984-09-28 | 1986-04-25 | Honda Motor Co Ltd | Valve gear for internal-combustion engine |
JPS62182408A (en) * | 1985-10-18 | 1987-08-10 | Honda Motor Co Ltd | Spherical contraposition receiving seat |
-
1987
- 1987-09-21 JP JP14401987U patent/JPS6447906U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6181503A (en) * | 1984-09-28 | 1986-04-25 | Honda Motor Co Ltd | Valve gear for internal-combustion engine |
JPS62182408A (en) * | 1985-10-18 | 1987-08-10 | Honda Motor Co Ltd | Spherical contraposition receiving seat |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020015116A (en) * | 2000-08-21 | 2002-02-27 | 이계안 | Gap adjusting instrument |
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