JPH0482421U - - Google Patents
Info
- Publication number
- JPH0482421U JPH0482421U JP1990125780U JP12578090U JPH0482421U JP H0482421 U JPH0482421 U JP H0482421U JP 1990125780 U JP1990125780 U JP 1990125780U JP 12578090 U JP12578090 U JP 12578090U JP H0482421 U JPH0482421 U JP H0482421U
- Authority
- JP
- Japan
- Prior art keywords
- bearing body
- upper bearing
- crankshaft
- pin hole
- pin
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/22—Internal combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図及び第２図は本考案の第１実施例を示し
、第１図はクランク軸受構造を示す断面図、第２
図は第１図の−矢視図、第３図は第２実施例
を示す。第４図は一般的な従来のクランク軸の軸
受構造を示す断面図、第５図は上部軸受体がシリ
ンダ部に一体成形された従来のクランク軸の軸受
構造を示す断面図、第６図は第５図の−矢視
図、第７図は軸受体の振れを説明する図、第８図
と第９図と第１０図と第１１図は上部軸受体をリ
ブ部の凹部に挿嵌したタイプの従来例、第１２図
と第１３図と第１４図は、振れ防止のためタイト
ピンを用いた従来例である。
２……シリンダ部、３……クランクケース部、
６……クランク軸、１０……シリンダ、１６……
当接面、１７ａ……合せ面、１８ａ……ピン孔、
１８ｂ……ピン孔、２０……タイトピン、１０４
……上部軸受体、１０５……ベアリングキヤツプ
、１１２……リブ部、１１４……凹部。
1 and 2 show a first embodiment of the present invention, FIG. 1 is a sectional view showing the crank bearing structure, and FIG.
The figure shows a - arrow view in FIG. 1, and FIG. 3 shows a second embodiment. Fig. 4 is a cross-sectional view showing a general conventional crankshaft bearing structure, Fig. 5 is a cross-sectional view showing a conventional crankshaft bearing structure in which the upper bearing body is integrally molded into the cylinder part, and Fig. 6 is a cross-sectional view showing a conventional crankshaft bearing structure in which the upper bearing body is integrally molded into the cylinder part. Figure 5 - arrow view, Figure 7 is a diagram explaining the runout of the bearing body, Figures 8, 9, 10 and 11 are views of the upper bearing body inserted into the recess of the rib part. Conventional examples of the type shown in FIGS. 12, 13, and 14 are conventional examples in which tight pins are used to prevent vibration. 2...Cylinder part, 3...Crankcase part,
6...Crankshaft, 10...Cylinder, 16...
Contact surface, 17a... mating surface, 18a... pin hole,
18b...Pin hole, 20...Tight pin, 104
... Upper bearing body, 105 ... Bearing cap, 112 ... Rib part, 114 ... Recessed part.
Claims (1)
仕切るリブ部の凹部に、クランク軸を支持する上
部軸受体を別体として挿嵌し、該上部軸受体がベ
アリングキヤツプと共に前記リブ部に固定される
内燃機関のクランク軸の軸受構造において、ベア
リングキヤツプのクランク軸線に対して直角方向
の長さを上部軸受体よりも大きくし、ベアリング
キヤツプとリブ部との間に合せ面を持たせ、上部
軸受体とリブ部とのシリンダ軸線方向の当接面に
上部軸受体とリブ部とを同時にまたぐピン孔を形
成し、さらに該ピン孔に対向するピン孔をベアリ
ングキヤツプに形成し、これら両ピン孔にタイト
ピンを圧入したことを特徴とする内燃機関のクラ
ンク軸の軸受構造。 An internal combustion engine in which an upper bearing body supporting the crankshaft is separately inserted into a recess in a rib part that partitions the crankcase part of each cylinder of the engine, and the upper bearing body is fixed to the rib part together with a bearing cap. In the crankshaft bearing structure of A pin hole that straddles the upper bearing body and the rib portion at the same time is formed in the abutment surface in the cylinder axial direction with the upper bearing body, and a pin hole opposite to the pin hole is formed in the bearing cap, and a tight pin is inserted into both of these pin holes. An internal combustion engine crankshaft bearing structure characterized by press-fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990125780U JPH0482421U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990125780U JPH0482421U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482421U true JPH0482421U (en) | 1992-07-17 |
Family
ID=31873366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990125780U Pending JPH0482421U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2942732A1 (en) * | 2009-03-04 | 2010-09-10 | Peugeot Citroen Automobiles Sa | BIMARY DEVICE, CASING AND VEHICLE EQUIPPED WITH SAID DEVICE AND METHOD OF MANUFACTURING THE DEVICE |
| JP2011038571A (en) * | 2009-08-07 | 2011-02-24 | Mitsubishi Motors Corp | Bearing device for crankshaft, and method for assembling the same |
-
1990
- 1990-11-28 JP JP1990125780U patent/JPH0482421U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2942732A1 (en) * | 2009-03-04 | 2010-09-10 | Peugeot Citroen Automobiles Sa | BIMARY DEVICE, CASING AND VEHICLE EQUIPPED WITH SAID DEVICE AND METHOD OF MANUFACTURING THE DEVICE |
| WO2010100356A1 (en) * | 2009-03-04 | 2010-09-10 | Peugeot Citroën Automobiles SA | Dual material device, casing and vehicle provided with said device, and method for making said device |
| JP2011038571A (en) * | 2009-08-07 | 2011-02-24 | Mitsubishi Motors Corp | Bearing device for crankshaft, and method for assembling the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0482421U (en) | ||
| JPS6187263U (en) | ||
| JPS63142416U (en) | ||
| JPS613947U (en) | Piston for internal combustion engine | |
| JPS61159610U (en) | ||
| JPS58162251U (en) | Crankshaft support structure for V-type internal combustion engine | |
| JPS6021542U (en) | Piston for internal combustion engine | |
| JPS60180742U (en) | Piston for internal combustion engine | |
| JPS62203945U (en) | ||
| JPS6372315U (en) | ||
| JPS62191954U (en) | ||
| JPS63190550U (en) | ||
| JPH01166743U (en) | ||
| JPS639407U (en) | ||
| JPS59107948U (en) | piston | |
| JPS634353U (en) | ||
| JPS62154214U (en) | ||
| JPS58175149U (en) | Internal combustion engine piston ring device | |
| JPS6188047U (en) | ||
| JPS62128145U (en) | ||
| JPS6287153U (en) | ||
| JPH0378948U (en) | ||
| JPH0171218U (en) | ||
| JPS6298820U (en) | ||
| JPS6336718U (en) |