JPH0252905U - - Google Patents
Info
- Publication number
- JPH0252905U JPH0252905U JP13000188U JP13000188U JPH0252905U JP H0252905 U JPH0252905 U JP H0252905U JP 13000188 U JP13000188 U JP 13000188U JP 13000188 U JP13000188 U JP 13000188U JP H0252905 U JPH0252905 U JP H0252905U
- Authority
- JP
- Japan
- Prior art keywords
- retainer
- intake
- exhaust valve
- combustion engine
- internal combustion
- 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 2
- 239000000919 ceramic Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ａは本考案の第１の実施例の構成を示す
吸排気弁端部の局部断面図、第１図ｂは第１の実
施例の変形例を示すステムの部分側面図、第２図
ａは本考案の第２の実施例の構成を示す吸排気弁
端部の局部断面図、第２図ｂは第１の実施例の変
形例を示すコツタの断面図、第３図は第２図のコ
ツタの他の実施例の平面図、第４図は従来の吸排
気弁のシリンダヘツドへの取り付け状態を示す断
面図、第５図は従来の吸排気弁の要部断面図、第
６図は第５図の吸排気弁の平面図である。
１……ステム、２……コツタ、３……リテーナ
、４……弁体、１０……吸排気弁、２１……コツ
タの下端、Ｎ……逃げ。
FIG. 1a is a local sectional view of the end of the intake and exhaust valve showing the structure of the first embodiment of the present invention, FIG. 1b is a partial side view of the stem showing a modification of the first embodiment, and FIG. Figure a is a local cross-sectional view of the end of the intake and exhaust valve showing the configuration of the second embodiment of the present invention, Figure 2 b is a cross-sectional view of a cotter showing a modification of the first embodiment, and Figure 3 is a Fig. 2 is a plan view of another embodiment of the cylinder head; Fig. 4 is a sectional view showing how a conventional intake and exhaust valve is attached to the cylinder head; Fig. 5 is a sectional view of the main part of a conventional intake and exhaust valve; FIG. 6 is a plan view of the intake and exhaust valve of FIG. 5. 1... Stem, 2... Kotta, 3... Retainer, 4... Valve body, 10... Intake/exhaust valve, 21... Lower end of Kotsuta, N... Relief.
Claims (1)
タを介してリテーナを取り付けた内燃機関の吸排
気弁構造であつて、 前記リテーナの内周面及び前記コツタの外周面
は傾きを同じくするテーパ面に形成されて両者は
テーパ結合され、前記コツタの下端側内周面と前
記ステムの外周面との間には、両者が当接しない
ような間隙が設けられていることを特徴とする内
燃機関の吸排気弁構造。[Claims for Utility Model Registration] An intake/exhaust valve structure for an internal combustion engine in which a retainer is attached to the stem end of a ceramic intake/exhaust valve via a retainer, the inner peripheral surface of the retainer and the outer periphery of the retainer. The surfaces are formed into tapered surfaces with the same inclination, and the two are tapered together, and a gap is provided between the inner circumferential surface on the lower end side of the holder and the outer circumferential surface of the stem to prevent them from coming into contact with each other. An intake and exhaust valve structure for an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13000188U JPH0252905U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13000188U JPH0252905U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252905U true JPH0252905U (en) | 1990-04-17 |
Family
ID=31384777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13000188U Pending JPH0252905U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252905U (en) |
-
1988
- 1988-10-05 JP JP13000188U patent/JPH0252905U/ja active Pending