JPH0444540U - - Google Patents
Info
- Publication number
- JPH0444540U JPH0444540U JP8720490U JP8720490U JPH0444540U JP H0444540 U JPH0444540 U JP H0444540U JP 8720490 U JP8720490 U JP 8720490U JP 8720490 U JP8720490 U JP 8720490U JP H0444540 U JPH0444540 U JP H0444540U
- Authority
- JP
- Japan
- Prior art keywords
- crank
- end part
- separated
- crankshaft
- fitting
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Pulleys (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の一実施例を示す側断面図、第
２図及び第３図は第１図Ａ−Ａ線に沿う結合部の
断面図で、第２図はクランク軸静止時の状態を示
す断面図、第３図はクランク軸回転時の状態を示
す断面図、第４図は従来のクランク軸の振動特性
を示す図、第５図は本考案に係るクランク軸の振
動特性を示す図、第６図はエンジンに装着された
従来のクランク軸を示す断面図である。
１……クランク軸、２……クランク部、３……
前端部、８……軸受、９……弾性体、１１……楕
円環状突起、１２……楕円突出部。
Fig. 1 is a side sectional view showing an embodiment of the present invention, Figs. 2 and 3 are sectional views of the joint section taken along line A-A in Fig. 1, and Fig. 2 is a state when the crankshaft is stationary. 3 is a sectional view showing the state during rotation of the crankshaft, FIG. 4 is a diagram showing the vibration characteristics of a conventional crankshaft, and FIG. 5 is a diagram showing the vibration characteristics of the crankshaft according to the present invention. 6 are cross-sectional views showing a conventional crankshaft mounted on an engine. 1...Crankshaft, 2...Crank section, 3...
Front end portion, 8... Bearing, 9... Elastic body, 11... Elliptical annular projection, 12... Elliptical protrusion.
Claims (1)
ランク部と、補機、動弁系駆動のためのプーリを
装着した前端部とを分割して別体に形成するとと
もに、分割したクランク部の端部と前端部の端部
とに嵌合部を設け、該嵌合部に縦方向は柔らかく
横方向は堅く設定した弾性体を介在させて、前記
クランク部と前端部とを結合したことを特徴とす
る内燃機関のクランク軸。 The crank part, which consists of a crank pin, web, and journal, and the front end part, which is equipped with a pulley for driving the auxiliary machinery and valve train, are separated and formed separately, and the end part of the divided crank part and the front end part are separated. An internal combustion engine characterized in that a fitting part is provided at the end of the crank part and the front end part is connected to the crank part by interposing an elastic body set to be soft in the vertical direction and hard in the horizontal direction in the fitting part. crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720490U JPH0444540U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8720490U JPH0444540U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444540U true JPH0444540U (en) | 1992-04-15 |
Family
ID=31819360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8720490U Pending JPH0444540U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014173654A (en) * | 2013-03-08 | 2014-09-22 | Keiichi Endo | Impact absorption and energy accumulation crank shaft |
-
1990
- 1990-08-21 JP JP8720490U patent/JPH0444540U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014173654A (en) * | 2013-03-08 | 2014-09-22 | Keiichi Endo | Impact absorption and energy accumulation crank shaft |