JPH0397506U - - Google Patents
Info
- Publication number
- JPH0397506U JPH0397506U JP550290U JP550290U JPH0397506U JP H0397506 U JPH0397506 U JP H0397506U JP 550290 U JP550290 U JP 550290U JP 550290 U JP550290 U JP 550290U JP H0397506 U JPH0397506 U JP H0397506U
- Authority
- JP
- Japan
- Prior art keywords
- lifter
- intake
- engine
- exhaust valve
- valve device
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図はこの考案の第１実施例を示す吸排気弁
装置の要部縦断面図、第２図はこの考案の第２実
施例を示す第１図相当図、第３図は従来の吸排気
弁装置の縦断面図、第４図は同じく要部縦断面図
である。
１……カム、２……エンジンバルブ、３……リ
フタ、３ａ……底部、４……シリンダヘツド、５
……カイド穴、７……バルブガイド、１３……圧
縮ばね、２２ａ……軸端部、３１……凸面、３２
……凸部、３３……凹面、３４……凹穴、３５…
…吸排気弁装置、３６……凹面、３７……凹穴、
３８……凸面、３９……凸部、４０……吸排気弁
装置。
Fig. 1 is a longitudinal cross-sectional view of the main part of an intake and exhaust valve device showing a first embodiment of this invention, Fig. 2 is a view equivalent to Fig. 1 showing a second embodiment of this invention, and Fig. 3 is a conventional intake/exhaust valve device. FIG. 4 is a vertical cross-sectional view of the exhaust valve device, and FIG. 4 is a vertical cross-sectional view of the main parts. 1...Cam, 2...Engine valve, 3...Lifter, 3a...Bottom, 4...Cylinder head, 5
... Guide hole, 7 ... Valve guide, 13 ... Compression spring, 22a ... Shaft end, 31 ... Convex surface, 32
...Convex portion, 33...Concave surface, 34...Concave hole, 35...
...Intake and exhaust valve device, 36...Concave surface, 37...Concave hole,
38... Convex surface, 39... Convex portion, 40... Intake/exhaust valve device.
Claims (1)
より駆動されるリフタと、シリンダヘツドに摺動
自在にガイドされ軸端部が前記リフタの底部に向
うように圧縮ばねにより付勢されるエンジンバル
ブとをそなえた内燃機関の吸排気弁装置において
、前記リフタの底部と前記エンジンバルブの軸端
部の両接触面のうちの一方を球面状の凸面とし、
前記両接触面のうちの他方を、前記凸面に線接触
する回転面状の凹面としたことを特徴とする内燃
機関の吸排気弁装置。 The engine valve includes a lifter that is slidably guided by the cylinder head and driven by a cam, and an engine valve that is slidably guided by the cylinder head and is biased by a compression spring so that the shaft end faces the bottom of the lifter. In the intake and exhaust valve device for an internal combustion engine, one of the contact surfaces between the bottom of the lifter and the shaft end of the engine valve is a spherical convex surface,
An intake/exhaust valve device for an internal combustion engine, characterized in that the other of the two contact surfaces is a rotating concave surface that is in line contact with the convex surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP550290U JPH0397506U (en) | 1990-01-23 | 1990-01-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP550290U JPH0397506U (en) | 1990-01-23 | 1990-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0397506U true JPH0397506U (en) | 1991-10-08 |
Family
ID=31509210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP550290U Pending JPH0397506U (en) | 1990-01-23 | 1990-01-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0397506U (en) |
-
1990
- 1990-01-23 JP JP550290U patent/JPH0397506U/ja active Pending