JPS6349090U - - Google Patents
Info
- Publication number
- JPS6349090U JPS6349090U JP14468686U JP14468686U JPS6349090U JP S6349090 U JPS6349090 U JP S6349090U JP 14468686 U JP14468686 U JP 14468686U JP 14468686 U JP14468686 U JP 14468686U JP S6349090 U JPS6349090 U JP S6349090U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- annular rib
- rib
- tip
- protrusion
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第1図は本考案の一実施例の斜視図、第2図は
そのタイマカバー部の縦断面図、第3図aは従来
例のタイマカバー部の外側端面の理論的振動波形
図、第3図bは本実施例のタイマカバー部の外側
端面の理論的振動波形図、第4図aは先端壁にリ
ブを設けない場合の振動周波数特性図、第4図b
は本考案の一実施例の振動周波数特性図、第5図
は本考案の他の実施例の正面図である。
1……ギヤケースカバー、2……クランク軸、
3……タイマ装置、4……ギヤ装置、7……タイ
マカバー部、8……外側端面、9a……環状リブ
、9b……放射リブ、10……周壁。
Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a vertical sectional view of the timer cover portion thereof, Fig. 3a is a theoretical vibration waveform diagram of the outer end surface of the timer cover portion of the conventional example, Figure b is a theoretical vibration waveform diagram of the outer end surface of the timer cover part of this embodiment, Figure 4 a is a vibration frequency characteristic diagram when no rib is provided on the tip wall, and Figure 4 b
5 is a vibration frequency characteristic diagram of one embodiment of the present invention, and FIG. 5 is a front view of another embodiment of the present invention. 1... Gear case cover, 2... Crankshaft,
3... Timer device, 4... Gear device, 7... Timer cover portion, 8... Outer end surface, 9a... Annular rib, 9b... Radial rib, 10... Peripheral wall.
Claims (1)
出させた突出部7とを備え、この突出部7が平板
状の先端壁8と、この先端壁8及び基準壁1aに
連続する周壁10とを有しているシエル構造体に
おいて、上記先端壁8にこれよりも小径の環状リ
ブ9aとその外周から放射方向に延びる放射リブ
9aを設けたことを特徴とするシエル構造体。 It comprises a reference wall 1a, a trapezoidal protrusion 7 protruding from the reference wall 1a, and the protrusion 7 has a flat tip wall 8, and a peripheral wall 10 continuous to the tip wall 8 and the reference wall 1a. A shell structure characterized in that the tip wall 8 is provided with an annular rib 9a having a smaller diameter than the annular rib 9a and a radial rib 9a extending radially from the outer periphery of the annular rib 9a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14468686U JPS6349090U (en) | 1986-09-19 | 1986-09-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14468686U JPS6349090U (en) | 1986-09-19 | 1986-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6349090U true JPS6349090U (en) | 1988-04-02 |
Family
ID=31055520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14468686U Pending JPS6349090U (en) | 1986-09-19 | 1986-09-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6349090U (en) |
-
1986
- 1986-09-19 JP JP14468686U patent/JPS6349090U/ja active Pending