JPH0345451U - - Google Patents
Info
- Publication number
- JPH0345451U JPH0345451U JP10690189U JP10690189U JPH0345451U JP H0345451 U JPH0345451 U JP H0345451U JP 10690189 U JP10690189 U JP 10690189U JP 10690189 U JP10690189 U JP 10690189U JP H0345451 U JPH0345451 U JP H0345451U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder block
- holes
- pair
- crankshaft
- ribs
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
図面は本考案の一実施例を示すものであり、第
１図は内燃機関の縦断側面図、第２図は第１図の
−線矢視図、第３図は第２図の−線に沿
うシリンダブロツクの横断面図、第４図は第２図
の−線断面図である。
１……シリンダブロツク、１ａ……シリンダブ
ロツクの一端壁、２……クランク軸、４……ミツ
シヨンケース結合部、５……クランク軸軸受部、
６，７……バランサ軸、２２，２３……孔、２６
……第１リブ、２７１，２７２……第２リブ、２
８１〜２８６……第３リブ。
The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional side view of an internal combustion engine, FIG. 2 is a view taken along the - line in FIG. FIG. 4 is a cross-sectional view of the cylinder block taken along the - line in FIG. 2. DESCRIPTION OF SYMBOLS 1...Cylinder block, 1a...One end wall of the cylinder block, 2...Crankshaft, 4...Mission case coupling part, 5...Crankshaft bearing part,
6, 7... Balancer shaft, 22, 23... Hole, 26
...First rib, 27 1 , 27 2 ...Second rib, 2
8 1 to 28 6 ...Third rib.
Claims (1)
一端壁１ａには、その下部を除く周縁部で隆起し
たミツシヨンケース結合部４と、下部中央で隆起
した円弧状のクランク軸軸受部５とが設けられる
とともに、クランク軸２軸線と平行にしてシリン
ダブロツク１で回転自在に支承される一対のバラ
ンサ軸６，７に対応する一対の孔２２，２３が前
記クランク軸軸受部５の上方位置で各バランサ軸
６，７と同軸にして穿設されるバランサ軸付内燃
機関のシリンダブロツク構造において、シリンダ
ブロツク１の一端壁１ａには、一対の孔２２，２
３の周縁部間を連結する第１リブ２６と、各孔２
２，２３の周縁部およびクランク軸軸受部５間を
連結する第２リブ２７１，２７２と、一対の孔２
２，２３の周縁部ならびに第１および第２リブ２
６，２７１，２７２からミツシヨンケース結合部
４まで放射状に延びる第３リブ２８１〜２８６と
が設けられることを特徴とするバランサ軸付内燃
機関のシリンダブロツク構造。 One end wall 1a of the cylinder block 1 along the axis of the crankshaft 2 is provided with a transmission case coupling part 4 that is raised at the peripheral edge excluding the lower part, and an arcuate crankshaft bearing part 5 that is raised at the center of the lower part. At the same time, a pair of holes 22 and 23 corresponding to a pair of balancer shafts 6 and 7 which are rotatably supported by the cylinder block 1 parallel to the axis of the crankshaft 2 are provided at positions above the crankshaft bearing portion 5 for each balancer shaft. In the cylinder block structure of an internal combustion engine with a balancer shaft drilled coaxially with holes 22 and 7, one end wall 1a of the cylinder block 1 has a pair of holes 22 and 2.
3 and the first rib 26 connecting the peripheral edges of each hole 2
The second ribs 27 1 , 27 2 connect the peripheral edges of the crankshafts 2 and 23 and the crankshaft bearing 5 , and the pair of holes 2
2 and 23 and the first and second ribs 2
A cylinder block structure for an internal combustion engine with a balancer shaft, characterized in that third ribs 28 1 to 28 6 are provided that extend radially from 6, 27 1 , 27 2 to the transmission case coupling portion 4 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10690189U JPH0738668Y2 (en) | 1989-09-12 | 1989-09-12 | Cylinder block structure of internal combustion engine with balancer shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10690189U JPH0738668Y2 (en) | 1989-09-12 | 1989-09-12 | Cylinder block structure of internal combustion engine with balancer shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0345451U true JPH0345451U (en) | 1991-04-26 |
| JPH0738668Y2 JPH0738668Y2 (en) | 1995-09-06 |
Family
ID=31655621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10690189U Expired - Fee Related JPH0738668Y2 (en) | 1989-09-12 | 1989-09-12 | Cylinder block structure of internal combustion engine with balancer shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738668Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013024397A (en) * | 2011-07-26 | 2013-02-04 | Honda Motor Co Ltd | Internal combustion engine with balancer |
-
1989
- 1989-09-12 JP JP10690189U patent/JPH0738668Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013024397A (en) * | 2011-07-26 | 2013-02-04 | Honda Motor Co Ltd | Internal combustion engine with balancer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738668Y2 (en) | 1995-09-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |