JPH0354234U - - Google Patents
Info
- Publication number
- JPH0354234U JPH0354234U JP11502189U JP11502189U JPH0354234U JP H0354234 U JPH0354234 U JP H0354234U JP 11502189 U JP11502189 U JP 11502189U JP 11502189 U JP11502189 U JP 11502189U JP H0354234 U JPH0354234 U JP H0354234U
- Authority
- JP
- Japan
- Prior art keywords
- water
- engine
- water hole
- valve
- intake
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図〜第４図は本考案の実施例に係るエンジ
ンの水冷形シリンダヘツドの吸排気弁口間の水冷
装置を説明する図で、第１図Ａはエンジンの上半
部の縦断面正面図、第１図Ｂは第１図ＡのＢ−Ｂ
線断面図、第１図Ｃは第１図ＢのＣ−Ｃ線断面図
、第２図はエンジンの縦断面正面図、第３図はエ
ンジンの縦断面側面図、第４図はエンジンの斜視
図であり、第５図は従来技術の説明図で、第５図
Ａはシリンダヘツドの要部縦断面図、第５図Ｂは
第５図ＡのＢ−Ｂ線断面図、第５図Ｃは第５図Ｂ
のＣ−Ｃ線断面図である。
１……エンジン、２……シリンダヘツド、３…
…吸気弁口、４……排気弁口、５……弁口間肉壁
部、６……弁口間冷却水孔、７……水孔終端部、
８……５の終端面、９……ヘツドジヤケツト、１
０……９の底部、１１……９の底面、１２……水
孔終端前ジヤケツト底面部分、１３……加工用キ
リ先逃し用凹入部。
Figures 1 to 4 are diagrams illustrating a water cooling device between the intake and exhaust valve ports of a water-cooled cylinder head of an engine according to an embodiment of the present invention, and Figure 1A is a longitudinal cross-sectional front view of the upper half of the engine. Figure 1B is B-B of Figure 1A
Figure 1C is a cross-sectional view taken along the line C-C in Figure 1B, Figure 2 is a vertical cross-sectional front view of the engine, Figure 3 is a vertical cross-sectional side view of the engine, and Figure 4 is a perspective view of the engine. FIG. 5 is an explanatory diagram of the prior art, in which FIG. 5A is a vertical sectional view of the main part of the cylinder head, FIG. 5B is a sectional view taken along line BB of FIG. 5A, and FIG. is Figure 5B
It is a sectional view taken along the line CC. 1...Engine, 2...Cylinder head, 3...
...Intake valve port, 4...Exhaust valve port, 5...Water wall between valve ports, 6...Cooling water hole between valve ports, 7...Water hole terminal end,
8...End face of 5, 9...Head jacket, 1
0...bottom part of 9, 11...bottom surface of 9, 12...bottom part of the jacket in front of the end of the water hole, 13...recessed part for relieving the tip of the drill for machining.
Claims (1)
弁口３，４同士間の弁口肉壁部５に弁口冷却水孔
６をキリ加工により縦走させて形成し、弁口間冷
却水孔６の水孔終端部７を弁口間肉壁部５の終端
面８でシリンダジヤケツト９の底部１０に臨ませ
て開口して構成したエンジンの水冷形シリンダヘ
ツドの吸排気弁口間の水冷装置において、 ヘツドジヤケツト９の底面１１のうち水孔終端
部７の前側の下側に位置する水孔終端前ジヤケツ
ト底面部分１２に弁口間冷却水孔６の加工用キリ
先逃し用凹入部１３を凹ませて形成した ことを特徴とするエンジンの水冷形シリンダヘツ
ドの吸排気弁口間の水冷装置。[Scope of Claim for Utility Model Registration] Valve cooling water holes 6 are formed in the valve port wall 5 between the intake and exhaust valve ports 3 and 4 of the liquid-cooled cylinder head 2 of the engine 1 by drilling and running longitudinally. , a water-cooled cylinder head for an engine is constructed by opening the water hole terminal end 7 of the inter-valve cooling water hole 6 so as to face the bottom 10 of the cylinder jacket 9 at the terminal end surface 8 of the inter-valve wall 5. In the water cooling device between the intake and exhaust valve ports, a hole for machining the cooling water hole 6 between the valve ports is provided in the bottom surface portion 12 of the jacket in front of the water hole termination, which is located on the lower side of the front side of the water hole termination portion 7 of the bottom surface 11 of the head jacket 9. A water cooling device between intake and exhaust valve ports of a water-cooled cylinder head of an engine, characterized in that a pre-release recess 13 is formed by recessing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11502189U JPH0354234U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11502189U JPH0354234U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354234U true JPH0354234U (en) | 1991-05-24 |
Family
ID=31663367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11502189U Pending JPH0354234U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014190299A (en) * | 2013-03-28 | 2014-10-06 | Kubota Corp | Inter cylinder bore cooling device of multi-cylinder water-cooled engine |
-
1989
- 1989-09-29 JP JP11502189U patent/JPH0354234U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014190299A (en) * | 2013-03-28 | 2014-10-06 | Kubota Corp | Inter cylinder bore cooling device of multi-cylinder water-cooled engine |
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