JPH01136715U - - Google Patents
Info
- Publication number
- JPH01136715U JPH01136715U JP3342888U JP3342888U JPH01136715U JP H01136715 U JPH01136715 U JP H01136715U JP 3342888 U JP3342888 U JP 3342888U JP 3342888 U JP3342888 U JP 3342888U JP H01136715 U JPH01136715 U JP H01136715U
- Authority
- JP
- Japan
- Prior art keywords
- corner
- bearing cap
- cap
- bearing
- cylinder block
- 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.)
- Granted
Links
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図〜第３図は、本考案の一実施例に係るシ
リンダブロツクの軸受構造を示す要部縦断面図で
あり、第１図は説明のため一部を破断面とした全
体構成図、第２図は軸受接合部の具体的構成を拡
大して示す縦断面図、第３図は要部を分解して示
す拡大縦断面図、第４図〜第６図は剛性部材の具
体的構成を示す縦断面図、第７図〜第１０図は剛
性部材の他の実施例を示す縦断面図、第１１図は
従来のシリンダブロツクの軸受構造を示す要部縦
断面図である。
１０…シリンダブロツク、２０…クランクシヤ
フト、３０…バルクヘツド、４０…ベアリングキ
ヤツプ挿入部、４２…キヤツプ当接面、４３…ベ
アリングキヤツプ挿入部角部、４４…凹部、５０
…ベアリングキヤツプ、５２…ベアリングキヤツ
プ上端面、５３…ベアリングキヤツプ上端角部、
５４…凹部もしくは面取り部、６１〜６４…取付
ボルト、７０…剛性部材。
1 to 3 are longitudinal cross-sectional views of main parts showing the bearing structure of a cylinder block according to an embodiment of the present invention, and FIG. 1 is an overall configuration diagram with a partially broken section for explanation; Fig. 2 is an enlarged vertical cross-sectional view showing the specific structure of the bearing joint, Fig. 3 is an enlarged longitudinal cross-sectional view showing the main parts exploded, and Figs. 4 to 6 are the specific structure of the rigid member. FIGS. 7 to 10 are longitudinal sectional views showing other embodiments of the rigid member, and FIG. 11 is a longitudinal sectional view of main parts showing the bearing structure of a conventional cylinder block. DESCRIPTION OF SYMBOLS 10... Cylinder block, 20... Crankshaft, 30... Bulkhead, 40... Bearing cap insertion part, 42... Cap abutting surface, 43... Corner part of bearing cap insertion part, 44... Recessed part, 50
...Bearing cap, 52...Bearing cap upper end surface, 53...Bearing cap upper end corner,
54... Concavity or chamfer, 61-64... Mounting bolt, 70... Rigid member.
Claims (1)
ヤツプ挿入部のキヤツプ当接面にベアリングキヤ
ツプ上端面を当接させ、取付ボルトによつて締結
してクランクシヤフトを回動可能に支持するシリ
ンダブロツクの軸受構造において、 上記ベアリングキヤツプの上端角部に面取り部
もしくは円弧状表面を有する凹部を形成するとと
もに、ベアリングキヤツプ上端角部と対向するベ
アリングキヤツプ挿入部角部にも円弧状表面を有
する凹部を形成し、これらキヤツプ上端角部と挿
入部角部間に形成される空間内に空間形状に対応
した形状の剛性部材を密着嵌合したことを特徴と
するシリンダブロツクの軸受構造。[Scope of Claim for Utility Model Registration] The upper end surface of the bearing cap is brought into contact with the cap contact surface of the bearing cap insertion part formed at the lower part of the bulkhead, and the crankshaft is rotatably supported by being fastened with a mounting bolt. In the bearing structure of the cylinder block, a chamfer or a recess having an arcuate surface is formed at the upper corner of the bearing cap, and an arcuate surface is also formed at the corner of the bearing cap insertion part opposite to the upper corner of the bearing cap. 1. A bearing structure for a cylinder block, characterized in that a concave portion is formed, and a rigid member having a shape corresponding to the shape of the space is tightly fitted into a space formed between the upper end corner of the cap and the insertion portion corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033428U JPH0730979Y2 (en) | 1988-03-14 | 1988-03-14 | Cylinder block bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033428U JPH0730979Y2 (en) | 1988-03-14 | 1988-03-14 | Cylinder block bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136715U true JPH01136715U (en) | 1989-09-19 |
| JPH0730979Y2 JPH0730979Y2 (en) | 1995-07-19 |
Family
ID=31260109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988033428U Expired - Lifetime JPH0730979Y2 (en) | 1988-03-14 | 1988-03-14 | Cylinder block bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730979Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025157A1 (en) * | 2004-08-31 | 2006-03-09 | Isuzu Motors Limited | Journal bearing structure for crankshaft |
-
1988
- 1988-03-14 JP JP1988033428U patent/JPH0730979Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025157A1 (en) * | 2004-08-31 | 2006-03-09 | Isuzu Motors Limited | Journal bearing structure for crankshaft |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730979Y2 (en) | 1995-07-19 |