JPS6373505U - - Google Patents
Info
- Publication number
- JPS6373505U JPS6373505U JP16681386U JP16681386U JPS6373505U JP S6373505 U JPS6373505 U JP S6373505U JP 16681386 U JP16681386 U JP 16681386U JP 16681386 U JP16681386 U JP 16681386U JP S6373505 U JPS6373505 U JP S6373505U
- Authority
- JP
- Japan
- Prior art keywords
- valve drive
- screw hole
- lock nut
- arm
- aluminum alloy
- 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
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は公知に係るアルミニウム合金製ロツカ
アームの一部欠截正面図、第２図はその要部拡大
図、第３図は前記アルミニウム合金製ロツカアー
ムおよび後記本考案の一実施例に係るアルミニウ
ム合金製ロツカアームの弁駆動部に付された間隙
調整螺子を固定するためのロツク・ナツトの締め
付けトルクと軸力との関係を示すグラフ、第４図
は本考案の一実施例に係るアルミニウム合金製ロ
ツカアームの一部欠截正面図、第５図は該アルミ
ニウム合金製ロツカアームを組み込んだ内燃機関
の頭頂部を示す縦断面図、第６図は第４図の要部
拡大図、第７図は前記アルミニウム合金製ロツカ
アームの弁駆動部を示す第６図に対応する断面図
である。
１０……ロツカアーム、１２……ロツカアーム
本体、１４……ロツカアーム軸嵌合孔、１６……
弁駆動部、１８……座面、２０……螺子孔、２２
……入口周縁、２４……対カム摺接部片、２６…
…間隙調整螺子、２８……ロツク・ナツト、３０
……ロツカアーム軸、３２……カム軸、３４……
吸気弁。
FIG. 1 is a partially cutaway front view of a known aluminum alloy rocker arm, FIG. 2 is an enlarged view of the main part thereof, and FIG. 3 shows the aluminum alloy rocker arm and an aluminum alloy according to an embodiment of the present invention described later. A graph showing the relationship between the tightening torque and axial force of the lock nut for fixing the gap adjustment screw attached to the valve drive part of the aluminum alloy rocker arm according to an embodiment of the present invention. 5 is a vertical sectional view showing the top of the internal combustion engine incorporating the aluminum alloy rocker arm, FIG. 6 is an enlarged view of the main part of FIG. 4, and FIG. 7 is the aluminum alloy rocker arm. FIG. 7 is a sectional view corresponding to FIG. 6 showing the valve drive part of the alloy rocker arm. 10...Rotsuka arm, 12...Rotsuka arm body, 14...Rotsuka arm shaft fitting hole, 16...
Valve drive unit, 18... Seat surface, 20... Screw hole, 22
... Entrance periphery, 24 ... Cam sliding contact piece, 26 ...
... Gap adjustment screw, 28 ... Lock nut, 30
...Rotsuka arm shaft, 32...Cam shaft, 34...
intake valve.
Claims (1)
され、該螺子孔に間隙調整螺子を螺入するととも
にロツク・ナツトを用いて該間隙調整螺子を締め
付け固定する構造になされた内燃機関の頭上カム
軸式動弁機構で使用されるアルミニウム合金製ロ
ツカアームにおいて、 弁駆動部のロツク・ナツト用座面に連なる螺子
孔入口周縁を、円錐面形状に面取り加工して成る
アルミニウム合金製ロツカアーム。[Claims for Utility Model Registration] One end thereof is formed as a valve drive part having a screw hole, and a gap adjustment screw is screwed into the screw hole, and the gap adjustment screw is tightened and fixed using a lock nut. In the aluminum alloy locker arm used in the overhead camshaft valve drive mechanism of internal combustion engines, the periphery of the screw hole entrance that connects to the seat surface for the lock nut of the valve drive part is chamfered into a conical shape. Alloy rotuka arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16681386U JPS6373505U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16681386U JPS6373505U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6373505U true JPS6373505U (en) | 1988-05-17 |
Family
ID=31098147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16681386U Pending JPS6373505U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6373505U (en) |
-
1986
- 1986-10-31 JP JP16681386U patent/JPS6373505U/ja active Pending
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