JPH0163703U - - Google Patents
Info
- Publication number
- JPH0163703U JPH0163703U JP1987157455U JP15745587U JPH0163703U JP H0163703 U JPH0163703 U JP H0163703U JP 1987157455 U JP1987157455 U JP 1987157455U JP 15745587 U JP15745587 U JP 15745587U JP H0163703 U JPH0163703 U JP H0163703U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- intake
- retainer body
- washer
- cylindrical part
- 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 5
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
弁回転装置の断面図、第２図は第１図の装置の部
分拡大断面図、第３図は本考案の第２実施例に係
る内燃機関の弁回転装置の部分拡大断面図、第４
図は本考案の第３実施例に係る内燃機関の弁回転
装置の部分拡大断面図、第５図イは従来の弁回転
装置の一例を示す断面図、第５図ロは第５図イの
装置における皿ばね変形時の断面図、である。
１０……弁回転装置、１１……排気弁、１１ａ
……バルブステム、１３……摩擦低減機構、１４
……リテーナ本体、１５……弁スプリング、１６
，３１……ワツシヤ、１７……軸受、１６ａ，３
１ｂ，３１ｄ……筒状部、１６ｄ，１６ｅ，３１
ｃ……屈曲部。
FIG. 1 is a cross-sectional view of a valve rotating device for an internal combustion engine according to a first embodiment of the present invention, FIG. 2 is a partially enlarged cross-sectional view of the device in FIG. 1, and FIG. Partially enlarged sectional view of the valve rotation device of the internal combustion engine, No. 4
The figure is a partially enlarged sectional view of a valve rotation device for an internal combustion engine according to the third embodiment of the present invention, FIG. 5A is a sectional view showing an example of a conventional valve rotation device, and FIG. FIG. 3 is a cross-sectional view of the device when the disc spring is deformed. 10... Valve rotating device, 11... Exhaust valve, 11a
... Valve stem, 13 ... Friction reduction mechanism, 14
... Retainer body, 15 ... Valve spring, 16
, 31... Washer, 17... Bearing, 16a, 3
1b, 31d...cylindrical part, 16d, 16e, 31
c...Bending part.
Claims (1)
に摩擦低減機構を介在し、前記吸排気弁を軸心回
りに回転させ該吸排気弁と弁座との偏摩耗を抑制
するようにした内燃機関の弁回転装置において、
前記摩擦低減機構を、前記吸排気弁のバルブステ
ムに固定されるリテーナ本体と、前記弁スプリン
グの動端に位置しリテーナ本体の外周部に沿つて
延びる筒状部を有するワツシヤと、前記リテーナ
本体とワツシヤの間に介装され外周が前記筒状部
によつて包囲される軸受とから構成し、前記ワツ
シヤの筒状部に、リテーナ本体と係合可能な屈曲
部を形成したことを特徴とする内燃機関の弁回転
装置。 An internal combustion engine in which a friction reduction mechanism is interposed between a valve spring and a valve stem of an intake/exhaust valve, and the intake/exhaust valve is rotated about an axis to suppress uneven wear between the intake/exhaust valve and a valve seat. In the valve rotation device of
The friction reduction mechanism includes a retainer body fixed to the valve stem of the intake/exhaust valve, a washer having a cylindrical part located at the moving end of the valve spring and extending along the outer circumference of the retainer body, and the retainer body. and a bearing interposed between the washer and the outer periphery surrounded by the cylindrical part, and the cylindrical part of the washer is formed with a bent part that can engage with the retainer body. valve rotation device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157455U JPH0163703U (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157455U JPH0163703U (en) | 1987-10-16 | 1987-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163703U true JPH0163703U (en) | 1989-04-24 |
Family
ID=31436912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157455U Pending JPH0163703U (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163703U (en) |
-
1987
- 1987-10-16 JP JP1987157455U patent/JPH0163703U/ja active Pending