JPH0277344U - - Google Patents
Info
- Publication number
- JPH0277344U JPH0277344U JP15723688U JP15723688U JPH0277344U JP H0277344 U JPH0277344 U JP H0277344U JP 15723688 U JP15723688 U JP 15723688U JP 15723688 U JP15723688 U JP 15723688U JP H0277344 U JPH0277344 U JP H0277344U
- Authority
- JP
- Japan
- Prior art keywords
- balance weight
- crankshaft
- axial direction
- locking groove
- shaft
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
図面はこの考案の実施例に関し、第１図はクラ
ンク軸の詳細図、第２図は第１図の―線矢視
図、第３図は突出部５６に着脱型バランスウエイ
トを装着するときの着脱型バランスウエイトの移
動方向を示す図、第４図はクランク軸を軸方向か
ら見た図、第５図はバランスウエイト取付け部の
他の例を示す図、第６図は二サイクルエンジンの
全体の概略図である。
１０……二サイクルエンジン、２４……クラン
ク軸、５０……軸部、５６……突出部（バランス
ウエイト取付け部）、５８……着脱型バランスウ
エイト（バランスウエイト）、６０……膨出部、
６４……係止溝、６６……拡張部、６８……首部
。
The drawings relate to an embodiment of this invention, and FIG. 1 is a detailed view of the crankshaft, FIG. 2 is a view taken along the line - in FIG. 1, and FIG. Figure 4 shows the moving direction of the removable balance weight, Figure 4 is a view of the crankshaft viewed from the axial direction, Figure 5 is a diagram showing another example of the balance weight attachment part, Figure 6 is the entire two-stroke engine. FIG. DESCRIPTION OF SYMBOLS 10... Two-cycle engine, 24... Crankshaft, 50... Shaft part, 56... Protrusion part (balance weight attachment part), 58... Removable balance weight (balance weight), 60... Bulging part,
64...Latching groove, 66...Expansion part, 68...Neck part.
Claims (1)
の周部に周方向へ適宜間隔に設けられ、各バラン
スウエイト取付け部５６にバランスウエイト５８
が着脱自在に装着可能であることを特徴とする二
サイクルエンジンのクランク軸。 (2) 前記バランスウエイト５８は、前記軸部５
０の半径方向外方へ羽根状に延びるていることを
特徴とする請求項１記載の二サイクルエンジンの
クランク軸。 (3) 前記バランスウエイト取付け部５６は前記
バランスウエイト５８の基端側を係止可能な係止
溝６４を含み、この係止溝６４は、下側の拡張部
６６と、上側の首部６８とを含み、かつ前記軸部
５０の軸方向へ開口し、前記バランスウエイト５
８の軸方向へ開口しており、前記バランスウエイ
ト５８は、基端側に膨出部６０を備え、前記軸部
５０の軸方向から前記係止溝６４に挿入されて、
前記膨出部６０を前記拡張部６６へ嵌合させるこ
とを特徴とする請求項２記載の二サイクルエンジ
ンのクランク軸。[Scope of claims for utility model registration] (1) The balance weight attachment part 56 is the shaft part 50
Balance weights 58 are provided at appropriate intervals in the circumferential direction on the periphery of the balance weight mounting portion 56 .
A crankshaft for a two-cycle engine, characterized in that it can be detachably attached. (2) The balance weight 58 is attached to the shaft portion 5.
2. The crankshaft for a two-cycle engine according to claim 1, wherein the crankshaft extends outward in the radial direction of the crankshaft in the shape of a vane. (3) The balance weight attachment portion 56 includes a locking groove 64 that can lock the base end side of the balance weight 58, and this locking groove 64 has a lower expansion portion 66 and an upper neck portion 68. and is open in the axial direction of the shaft portion 50, and the balance weight 5
The balance weight 58 is opened in the axial direction of the shaft part 50, and the balance weight 58 has a bulging part 60 on the base end side, and is inserted into the locking groove 64 from the axial direction of the shaft part 50.
The crankshaft for a two-stroke engine according to claim 2, wherein the bulging portion (60) is fitted into the expanded portion (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15723688U JPH0277344U (en) | 1988-12-03 | 1988-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15723688U JPH0277344U (en) | 1988-12-03 | 1988-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277344U true JPH0277344U (en) | 1990-06-13 |
Family
ID=31436504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15723688U Pending JPH0277344U (en) | 1988-12-03 | 1988-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010230037A (en) * | 2009-03-26 | 2010-10-14 | Honda Motor Co Ltd | Assembled crankshaft and method of manufacturing the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181930A (en) * | 1981-04-30 | 1982-11-09 | Mitsunobu Nakatani | Supercharger |
-
1988
- 1988-12-03 JP JP15723688U patent/JPH0277344U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181930A (en) * | 1981-04-30 | 1982-11-09 | Mitsunobu Nakatani | Supercharger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010230037A (en) * | 2009-03-26 | 2010-10-14 | Honda Motor Co Ltd | Assembled crankshaft and method of manufacturing the same |
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