JPH02114704U - - Google Patents
Info
- Publication number
- JPH02114704U JPH02114704U JP2145389U JP2145389U JPH02114704U JP H02114704 U JPH02114704 U JP H02114704U JP 2145389 U JP2145389 U JP 2145389U JP 2145389 U JP2145389 U JP 2145389U JP H02114704 U JPH02114704 U JP H02114704U
- Authority
- JP
- Japan
- Prior art keywords
- rotator
- valve
- slider
- guide groove
- retainer
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は、本考案の第１実施例を示すバルブロ
ーテータの半断正面図、第２図は、同じくローテ
ータ本体の一部切欠平面図、第３図は、同じく第
２図おけるＸ−Ｘ線に沿う要部の縦断側面図、第
４図は、本考案の第２実施例を示すローテータ本
体の要部の縦断側面図、第５図は、従来のバルブ
ローテータを示す半断正面図、第６図は、同じく
第５図におけるＹ−Ｙ線に沿う縦断側面図である
。
１…エンジンバルブ、２…コツタ、４…リテー
ナ、８…皿ばね、９…弁ばね、１０…ローテータ
本体、１０ａ…外向鍔、１１，１４…ガイド溝、
１１ａ，１５ａ…傾斜面、１２…摺動子、１２ａ
…突起、１３…圧縮コイルばね、１５…ガイド部
材。
FIG. 1 is a half-sectional front view of a valve rotator showing a first embodiment of the present invention, FIG. 2 is a partially cutaway plan view of the rotator body, and FIG. 4 is a longitudinal sectional side view of the main parts of the rotator main body showing the second embodiment of the present invention; FIG. 5 is a half-sectional front view showing the conventional valve rotator; FIG. 6 is a longitudinal sectional side view taken along the Y-Y line in FIG. 5 as well. DESCRIPTION OF SYMBOLS 1... Engine valve, 2... Kotta, 4... Retainer, 8... Disc spring, 9... Valve spring, 10... Rotator main body, 10a... Outward flange, 11, 14... Guide groove,
11a, 15a... inclined surface, 12... slider, 12a
...Protrusion, 13...Compression coil spring, 15...Guide member.
Claims (1)
タ本体と、 前記エンジンバルブの軸に、前記ローテータ本
体と相対回転可能として遊嵌された弁ばね用リテ
ーナと、 前記ローテータ本体とリテーナとの対向面のい
ずれか一方に、前記軸を中心とする弧状に湾曲し
て形成され、かつ溝底面の深さが、一定方向に漸
次浅くなる傾斜面をなす複数のガイド溝と、 前記各ガイド溝内に、該ガイド溝の傾斜面に沿
つて移動可能に収容され、かつ一部がガイド溝よ
り出没しうるくさび状の摺動子と、 前記ガイド溝内に縮設され、前記摺動子を、常
時ガイド溝の浅い側に向かつて付勢する圧縮コイ
ルばねと、 前記ローテータ本体とリテーナとの間に、いず
れか一方の面が前記摺動子と当接しうるようにし
て設けられた皿ばね とを備えることを特徴とするバルブローテータ。 (2) ガイド溝における少なくとも摺動子と接触
する部分に、耐摩耗性に優れる硬質の合成樹脂製
のガイド部材を、着脱可能として設けたことを特
徴とする請求項(1)記載のバルブローテータ。 (3) 摺動子における少なくともガイド溝および
皿ばねと接触する部分に、耐摩耗性に優れる硬質
の合成樹脂材を設けたことを特徴とする請求項(1
)又は(2)記載のバルブローテータ。[Claims for Utility Model Registration] (1) A rotator body fixed to the shaft of an engine valve; a valve spring retainer loosely fitted to the shaft of the engine valve so as to be rotatable relative to the rotator body; A plurality of guide grooves are formed on one of the facing surfaces of the rotator body and the retainer, curved in an arc shape centered on the axis, and the depth of the groove bottom surface is an inclined surface that gradually becomes shallower in a certain direction. a wedge-shaped slider that is housed in each of the guide grooves so as to be movable along the sloped surface of the guide groove, and a portion of which is retractable from the guide groove; , a compression coil spring that always urges the slider toward the shallow side of the guide groove, and a compression coil spring that is provided between the rotator body and the retainer so that one of the surfaces can come into contact with the slider. A valve rotator comprising a disc spring provided with a disc spring. (2) The valve rotator according to claim (1), characterized in that a guide member made of hard synthetic resin with excellent wear resistance is removably provided in at least the portion of the guide groove that contacts the slider. . (3) Claim (1) characterized in that at least the portion of the slider that contacts the guide groove and the disc spring is provided with a hard synthetic resin material having excellent wear resistance.
) or the valve rotator described in (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145389U JPH0540242Y2 (en) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2145389U JPH0540242Y2 (en) | 1989-02-28 | 1989-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02114704U true JPH02114704U (en) | 1990-09-13 |
| JPH0540242Y2 JPH0540242Y2 (en) | 1993-10-13 |
Family
ID=31238710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2145389U Expired - Lifetime JPH0540242Y2 (en) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540242Y2 (en) |
-
1989
- 1989-02-28 JP JP2145389U patent/JPH0540242Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540242Y2 (en) | 1993-10-13 |