JPS6240217U - - Google Patents
Info
- Publication number
- JPS6240217U JPS6240217U JP13122185U JP13122185U JPS6240217U JP S6240217 U JPS6240217 U JP S6240217U JP 13122185 U JP13122185 U JP 13122185U JP 13122185 U JP13122185 U JP 13122185U JP S6240217 U JPS6240217 U JP S6240217U
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- control
- opening
- cylinder
- cooling water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 claims 2
- 230000002000 scavenging effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図ないし第９図は本考案の一実施例を示し
、第１図は２サイクルエンジンの縦断面図、第２
図はシリンダの平面図、第３図は第１図の―
線に沿う断面図、第４図は第１図の―線に沿
う断面図、第５図は第２図の―線に沿う断面
図、第６図は第２図の―線に沿う断面図、第
７図はシリンダヘツドの底面図、第８図はシリン
ダヘツドのカバーを外した状態を第１図中矢印
方向から見た図、第９図はフラツプパルブ、スラ
イドバルブの斜視図である。
１……シリンダ、２……シリンダヘツド、４…
…掃気通路、５……排気通路、５ａ……（排気ポ
ート）開口、６……リブ、７……凹所、８，９…
…ガイド孔、１２，１４……制御面、１３……フ
ラツプバルブ（第１制御弁）、１３Ａ，１３Ｂ…
…バルブ半体、１５……スライドバルブ（第２制
御弁）、１７……回動軸、１８……駆動機構、３
２ａ〜３２ｊ……水通路。
1 to 9 show one embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of a two-stroke engine, and FIG.
The figure is a plan view of the cylinder, and Figure 3 is the same as Figure 1.
Figure 4 is a cross-sectional view taken along line - in Figure 1, Figure 5 is a cross-sectional view taken along line - in Figure 2, and Figure 6 is a cross-sectional view taken along line - in Figure 2. , FIG. 7 is a bottom view of the cylinder head, FIG. 8 is a view of the cylinder head with the cover removed, viewed from the direction of the arrow in FIG. 1, and FIG. 9 is a perspective view of the flap valve and slide valve. 1...Cylinder, 2...Cylinder head, 4...
...Scavenging passage, 5...Exhaust passage, 5a...(exhaust port) opening, 6...Rib, 7...Recess, 8, 9...
...Guide hole, 12, 14...Control surface, 13...Flap valve (first control valve), 13A, 13B...
... Valve half body, 15 ... Slide valve (second control valve), 17 ... Rotating shaft, 18 ... Drive mechanism, 3
2a-32j...Water passage.
Claims (1)
に揺動自在に設けられ、その揺動先端にシリンダ
の内周面とほぼ同一曲率の制御面を有し、かつ該
制御面により前記開口上部を開閉する第１制御弁
と、該第１制御弁の上方にその長さ方向に摺動自
在に設けられ、前記シリンダの内周面とほぼ同一
曲率の制御面を有し、かつ、第１制御弁が前記開
口を閉塞する位置に揺動させられた際に、第１制
御弁の制御面の上縁と前記開口の上縁との間に侵
入して両者間の隙間を塞ぐ第２制御弁とを備えた
２サイクルエンジンの冷却構造であつて、シリン
ダにはラジエータに接続される冷却水ジヤケツト
が設けられ、該冷却水ジヤケツトは、前記第２制
御弁の回りに同第２制御弁を囲繞する水通路を有
していることを特徴とする２サイクルエンジンの
冷却構造。 It is swingably provided near the opening to the inner circumferential surface of the cylinder at the upper part of the exhaust passage, and has a control surface at its swinging tip that has approximately the same curvature as the inner circumferential surface of the cylinder, and by the control surface, the upper part of the opening a first control valve that opens and closes; a first control valve that is provided above the first control valve so as to be slidable in its length direction; A second control that enters between the upper edge of the control surface of the first control valve and the upper edge of the opening to close the gap between the two when the control valve is swung to a position that closes the opening. The cooling structure for a two-stroke engine includes a cooling water valve, the cylinder being provided with a cooling water jacket connected to a radiator, and the cooling water jacket surrounding the second control valve. A cooling structure for a two-stroke engine, characterized by having a surrounding water passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13122185U JPH0238018Y2 (en) | 1985-08-28 | 1985-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13122185U JPH0238018Y2 (en) | 1985-08-28 | 1985-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6240217U true JPS6240217U (en) | 1987-03-10 |
| JPH0238018Y2 JPH0238018Y2 (en) | 1990-10-15 |
Family
ID=31029466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13122185U Expired JPH0238018Y2 (en) | 1985-08-28 | 1985-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0238018Y2 (en) |
-
1985
- 1985-08-28 JP JP13122185U patent/JPH0238018Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0238018Y2 (en) | 1990-10-15 |