JPH02135613U - - Google Patents
Info
- Publication number
- JPH02135613U JPH02135613U JP4283489U JP4283489U JPH02135613U JP H02135613 U JPH02135613 U JP H02135613U JP 4283489 U JP4283489 U JP 4283489U JP 4283489 U JP4283489 U JP 4283489U JP H02135613 U JPH02135613 U JP H02135613U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- shim
- crank
- stroke engine
- oil pump
- 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
- 239000003921 oil Substances 0.000 claims 3
- 239000010687 lubricating oil Substances 0.000 claims 2
- 230000001050 lubricating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の一実施例を示すエンジンの水
平断面の一部を表わす図であり、第２図は第１図
の要部を拡大する図であり、第３図は第２図に設
けられるシムの側面全体図であり、第４図は第１
図のクランクケースのクランクウエブに面する側
の面のみを表わす図であり、第５図は従来のエン
ジンの水平断面の一部を表わす図である。
３２……シリンダー、３４……冷却フイン、３
６……ピストン、３８……連結棒、４０……クラ
ンクピン、４２……クランクウエブ、４４……片
シールドタイプベアリング、５０……案内溝、５
２……潤滑溝。
FIG. 1 is a diagram showing a part of a horizontal cross section of an engine showing an embodiment of the present invention, FIG. 2 is an enlarged view of the main part of FIG. 1, and FIG. FIG. 4 is an overall side view of the shim provided, and FIG.
5 is a view showing only the side of the crankcase facing the crank web, and FIG. 5 is a view showing a part of a horizontal cross section of a conventional engine. 32...Cylinder, 34...Cooling fin, 3
6... Piston, 38... Connecting rod, 40... Crank pin, 42... Crank web, 44... Single shield type bearing, 50... Guide groove, 5
2... Lubrication groove.
Claims (1)
れたクランクシヤフトをベアリングを介してクラ
ンクケースに支持するとともに、前記ベアリング
の外側に前記クランクシヤフトに噛み合つてオイ
ルポンプを駆動させるグリース潤滑のオイルポン
プ駆動ギヤを設けてなる２サイクルエンジンにお
いて、前記ベアリングは前記オイルポンプ駆動ギ
ヤ側がシールドされる片シールドタイプとなつて
いることを特徴とする２サイクルエンジン。 ２ クランクウエブとベアリングとの間に、外周
にクランク室からの潤滑油を前記ベアリング側に
案内する溝が形成されたシムを介在させたことを
特徴とする請求項１記載の２サイクルエンジン。 ３ クランクケースのクランクウエブ側内面に、
クランク室からの潤滑油をシム外周溝に案内する
潤滑溝を形成したことを特徴とする請求項２記載
の２サイクルエンジン。[Claims for Utility Model Registration] 1. A crankshaft protruding from the side of a crank web inside a crank chamber is supported by a crankcase via a bearing, and an oil pump is driven by engaging the crankshaft on the outside of the bearing. A two-stroke engine equipped with a grease-lubricated oil pump drive gear, characterized in that the bearing is of a single-shield type in which the oil pump drive gear side is shielded. 2. The two-stroke engine according to claim 1, further comprising a shim interposed between the crank web and the bearing, the shim having a groove formed on the outer periphery for guiding lubricating oil from the crank chamber to the bearing side. 3 On the inner surface of the crankcase on the crank web side,
3. The two-stroke engine according to claim 2, further comprising a lubricating groove that guides lubricating oil from the crank chamber to the outer peripheral groove of the shim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4283489U JPH02135613U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4283489U JPH02135613U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135613U true JPH02135613U (en) | 1990-11-13 |
Family
ID=31554723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4283489U Pending JPH02135613U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7946040B2 (en) | 2005-11-15 | 2011-05-24 | Husqvarna Zenoah Co., Ltd. | Chainsaw |
-
1989
- 1989-04-12 JP JP4283489U patent/JPH02135613U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7946040B2 (en) | 2005-11-15 | 2011-05-24 | Husqvarna Zenoah Co., Ltd. | Chainsaw |
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