JPH01262353A - Crankshaft bearing cap for engine - Google Patents
Crankshaft bearing cap for engineInfo
- Publication number
- JPH01262353A JPH01262353A JP8795588A JP8795588A JPH01262353A JP H01262353 A JPH01262353 A JP H01262353A JP 8795588 A JP8795588 A JP 8795588A JP 8795588 A JP8795588 A JP 8795588A JP H01262353 A JPH01262353 A JP H01262353A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- cap
- bearing cap
- casing
- gear
- 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
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 21
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、エンジンのクランク軸受キャップに関する
。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a crank bearing cap for an engine.
従来の技術、および発明が解決しようとする課題
シリンダケースの前後壁部にクランク軸の両端部を軸受
するために、この前後壁部の下側部分を切欠状に形成し
て、この切欠状部分にベアリングキャップを嵌合させて
クランク軸の組込、軸受を行う形態がある（実開昭６０
−１２６５２公報）。BACKGROUND ART AND PROBLEMS TO BE SOLVED BY THE INVENTION In order to bearing both ends of a crankshaft on the front and rear walls of a cylinder case, the lower portions of the front and rear walls are formed into a notch shape. There is a form in which the crankshaft is assembled and the bearings are installed by fitting a bearing cap on the
-12652 publication).
このような形態では、シリンダケースの前側部には関連
器機部分等をギヤ伝動するためのギヤ伝動機構を内装す
るギヤケースを設けるが、このギヤケースとの間の接合
部において、油洩れを生じ易い。In such a configuration, a gear case is provided on the front side of the cylinder case, which houses a gear transmission mechanism for gear transmission of related equipment parts, but oil is likely to leak at the joint between the cylinder case and the gear case.
課題を解決するための手段
この発明は、シリンダケース（１）と、このシリンダケ
ース（１）のクランク軸（２）方向端面部に嵌合するベ
アリングキャップ（３）と、該シリンダケース（１）の
クランク軸方向外側部を覆うギヤケース（４）と、該シ
リンダケース（１）の底部を覆うオイルパン（５）との
間の角部の各接合面＋６１ （７１（８１（９１間に亘
るオイルシール（Ｉ［Ｉを設けてなるエンジンのクラン
ク軸受キャップの構成とする。Means for Solving the Problems The present invention includes a cylinder case (1), a bearing cap (3) that fits onto an end face of the cylinder case (1) in the direction of the crankshaft (2), and the cylinder case (1). Each joint surface of the corner between the gear case (4) that covers the outer side in the crankshaft direction of the cylinder case (1) and the oil pan (5) that covers the bottom of the cylinder case (1) +61 (71 (81 (91) The structure of an engine crank bearing cap is provided with a seal (I [I).
発明の作用、および効果
シリンダケース（１）のクランク軸受部にクランク軸（
２）を位置させて、前後壁部にベアリングキャップ（３
）を嵌合させて、シリンダケース（１）に対するりラン
ク軸（２）の軸受を行う、このシリンダケース（１）に
対するベアリングキャップ（３）の嵌合において、これ
らシリンダケース（１）の接合面（６）と、ベアリング
キャップ（３）の接合面（７）と、ギヤケース（４）の
接合面（８）と、オイルパン（５）の接合面（９１との
間に、オイルシール（１０）を介在する。シリンダケー
ス（１）及びギヤケース（４）内に潤滑油を注入して駆
動するとき、ベアリングキャップ（３）を中心として、
このベアリングキャップ（３）の左右両側下端部の角部
に接合する各接合面＋６１ ＋７）＋８１１９１間に亘
ってオイルシール叫が介在されるために、この角部を流
下しようとする油があっても、このオイルシールＯ１に
よって遮断されて、この角部からの油の洩出を防止でき
、構成も簡単である。Functions and Effects of the Invention The crankshaft (
2) and place the bearing caps (3) on the front and rear walls.
) to perform bearing of the rank shaft (2) against the cylinder case (1).In fitting the bearing cap (3) to the cylinder case (1), the joint surface of these cylinder cases (1) (6), the joint surface (7) of the bearing cap (3), the joint surface (8) of the gear case (4), and the joint surface (91) of the oil pan (5), the oil seal (10) When driving by injecting lubricating oil into the cylinder case (1) and gear case (4), the bearing cap (3) is the center.
Since oil seals are interposed between the joint surfaces +61 +7) +81191 that join the corners of the lower end on both the left and right sides of the bearing cap (3), there is oil trying to flow down these corners. The leakage of oil from this corner can be prevented by being blocked by this oil seal O1, and the structure is simple.
実施例
なお、図例第１図〜第４図において、シリンダケース（
１）の前後壁部（ｌυ０りは、下半部を門形状に切欠状
に開口ｆ＋３） ＋１４１ Ｌ、この開口部＋１３０４
の奥側中央部に半円状に軸受孔（１！９を形成している
。このシリンダケースｆｉｌの前後壁部（Ｉｌｌ ０２
１は、外周面を平坦面に形成して前後接合面（旧とし、
下端面は平坦面に形成して下接合面（ｍとし、又、前後
壁部（１０的の開口＋１３０４１の左右内何面は上下方
向に平行な面に形成して内接台面（Ｉｌｌとし、これら
前後接合面ｆｌＥ９と、下接合面（ｌηと、内接台面（
ＩＥＩとによって、シリンダケース（１）の接合面（６
）を構成している。Embodiment In addition, in the illustrations Fig. 1 to Fig. 4, the cylinder case (
1) Front and rear walls (lυ0 is a portal-shaped cutout opening f+3 in the lower half) +141 L, this opening +1304
A semicircular bearing hole (1!9) is formed in the center of the rear side of the cylinder case fil.
1, the outer peripheral surface is formed into a flat surface and the front and rear joint surfaces (old,
The lower end surface is formed as a flat surface to form the lower joint surface (m), and the left and right inner surfaces of the front and rear walls (10 opening + 13041 are formed as surfaces parallel to the vertical direction to form the inscribed table surface (Ill), These front and rear joint surfaces flE9, lower joint surface (lη), and inscribed table surface (
IEI and the joint surface (6) of the cylinder case (1).
).
該開口部ｆ１３１ Ｇ４）に嵌合するベアリングキャッ
プ（３）は、これら開口部（＋３１ （１４１の内接台
面（１１と平行な外接台面（■と、前後接合面（ＩＢと
同一面に形成せる前後接合面翰と、下接合面（５）と同
一面に形成せる下接合面ｃ！１）とを形成し、上端縁に
は半円状の軸受孔＋１５１を形成して、前後壁部［＋１
１０２１の軸受孔（１９との間に。The bearing cap (3) that fits into the opening (f131 A front and rear joint surface ridge and a lower joint surface c!1) formed on the same plane as the lower joint surface (5) are formed, and a semicircular bearing hole +151 is formed at the upper edge, and the front and rear walls [ +1
1021 bearing hole (between 19.
クランク軸（２）の前後端のベアリングを挟持嵌合して
回転自在に軸受させている。Bearings at the front and rear ends of the crankshaft (2) are clamp-fitted and rotatably supported.
前壁部（１１）の外側にはギヤケース（４）を設け、ク
ランク軸（２）の前端からカム軸ポンプ軸等へ伝動する
ギヤ伝動機構を内装し、内部に潤滑油を貯留できる構成
としている。このギヤケース（４）の外周部にはガスケ
ット（２１５やプレート（至）等を介在させて、前壁部
（１１）の前接合面Ｏｅと、この開口部（１３に嵌合せ
るベアリングキャップ（３）の前接合面とに亘って接合
する接合面（８）を形成する。A gear case (4) is provided on the outside of the front wall (11), and is equipped with a gear transmission mechanism that transmits power from the front end of the crankshaft (2) to the camshaft pump shaft, etc., and is configured to store lubricating oil inside. . A gasket (215, a plate, etc.) is interposed on the outer circumference of the gear case (4), and a bearing cap (3) that fits into the front joint surface Oe of the front wall (11) and this opening (13) is provided. A bonding surface (8) is formed to be bonded to the front bonding surface of.
又、後壁部（１δには、前壁部（１０と同様の構成とし
て、外側面にプレートをガスケット等を介在させて取付
ける。このプレートにはトラクタ用エンジンでは、クラ
ッチハウジングを取付ける。Further, a plate is attached to the outer surface of the rear wall portion (1δ) with a gasket or the like interposed therebetween, having the same configuration as the front wall portion (10).In the case of a tractor engine, a clutch housing is attached to this plate.
オイルパン（５）は、シリンダケース（１）の底部開放
部を覆って取付けるもので、外周部の接合面（９）をシ
リンダケース（１１の下接合面（（７）と１前後のベア
リングキャップ（３）の下接合面（２１１とに亘って重
合し、締付固定する。The oil pan (5) is installed to cover the bottom open part of the cylinder case (1), and connects the outer peripheral joint surface (9) with the lower joint surface (7) of the cylinder case (11) and the bearing caps before and after 1. (3) overlap with the lower joint surface (211) and tighten and fix.
シリンダケース（１）の開口部＋１３１０４１内接合面
（１８と、これに嵌合するベアリングキャップ（３）の
外接台面（１９との間には、これらの接合面に沿ってオ
イルシールを設けるが、これとは別に開口部（＋３１
Ｃ１１Ｑの下端角部においてオイルシールｆｌ（Ｉを設
ける。An oil seal is provided between the opening +131041 inner joint surface (18) of the cylinder case (1) and the external surface (19) of the bearing cap (3) that fits therein, along these joint surfaces. Apart from this, there is an opening (+31
An oil seal fl (I is provided at the lower end corner of C11Q.
このオイルシールＴｌ１ｌｌの嵌合構成について、ベア
リングキャップ（３）の下端部で左右両側面を形成する
外接台面（１優において、下接合面２１）か前後接合面
＋２（Ｉに亘って、斜め方向のシール溝Ｇ！４を設け、
このシール溝１２４１にはゾ同形のオイルシール（！φ
を嵌合させる。このシール（１■によってベアリングキ
ャップ（３）の下端部で左右両角部は、外接台面＋ＩＣ
Ｉと、前後接合面（２０と、下接合面２１）との三方向
面がシールされて、この角部を外側へ油流出を防止する
。Regarding the fitting configuration of this oil seal Tl1ll, the lower end of the bearing cap (3) forms both the left and right side surfaces (lower joint surface 21 in the case of 1) or the front and rear joint surfaces +2 (I) in the diagonal direction. A seal groove G!4 is provided,
This seal groove 1241 has an oil seal of the same shape (!φ
mate. With this seal (1), the lower end of the bearing cap (3) and both left and right corners are the circumscribed base surface + IC
The three-way surfaces of I and the front and rear joint surfaces (20 and lower joint surface 21) are sealed to prevent oil from leaking outward through this corner.
なお、２ｇはシリンダ、Ｉ２ｅはピストン、（５）はピ
ストンロンド、（２Ｉはシリンダヘッド、２鴫はヘッド
カバー、０１は燃料吸入路、０１）は排気路、（支）は
ブローバイガス通路、Ｇ３はバランスウェイトである。In addition, 2g is the cylinder, I2e is the piston, (5) is the piston rond, (2I is the cylinder head, 2 is the head cover, 01 is the fuel intake passage, 01) is the exhaust passage, (support) is the blow-by gas passage, and G3 is It is a balance weight.
第５図、第６図において、上側と異なる点は、オイルシ
ール（Ｉｌ及びシール溝Ｑ４を円弧状に形成したもので
ある。5 and 6, the difference from the upper side is that the oil seal (I1) and the seal groove Q4 are formed in an arc shape.
第７図〜第９図においては、前後ベアリングキャップ（
３）の下端部の左右両角部において、このベアリングキ
ャップ（３）の外接台面（１りに沿って下接合面２＋１
から前後接合面（イ）に亘って」形のシール溝２４１を
形成し、これに同形態のオイルシール（１〔を嵌合して
いる。In Figures 7 to 9, the front and rear bearing caps (
3) At both left and right corners of the lower end, lower joint surface 2+1 along the circumscribed surface (1) of this bearing cap (3).
A ""-shaped seal groove 241 is formed extending from the front to the rear joint surface (A), and an oil seal (1) of the same shape is fitted into this.
第１０図、第１１図の実施例では、シール溝（ハ）をＴ
字状に形成し、このシール溝２／＠の形態のオイルシー
ル（ＩＣＩＩを嵌合する。In the embodiments shown in FIGS. 10 and 11, the seal groove (c) is
The oil seal (ICII) in the form of the seal groove 2/@ is fitted into the seal groove 2/@.
第１２図、第１３図の実施例では、シール溝＋２４］を
十字状に形成し、このシール溝２４１の上側に縦方向に
シール溝（至）を延長し、これらに各々オイルシール（
！〔を嵌合させて、内接台面ｆ１１と外接台面（ｌ（至
）との間をもシールしている。In the embodiments shown in FIGS. 12 and 13, the seal groove +24] is formed in a cross shape, and the seal groove (to) is extended vertically above the seal groove 241, and each oil seal (
! By fitting [, the space between the inscribed table surface f11 and the circumscribed table surface (l (to)) is also sealed.
第１４図の実施例では、該シール溝（２４，及びオイル
シール（ＩｌをＬ形に形成し、第１５図の実施例では、
Ｆ形に形成したものである。In the embodiment shown in FIG. 14, the seal groove (24) and the oil seal (Il) are formed in an L shape, and in the embodiment shown in FIG.
It is formed into an F shape.
図はこの発明の実施例を示すもので、第１図は一部の底
斜面図、第２図はその一部の側断面図、第３図は一部の
分解斜面図、第４図は正断面図、第５図は別実施例を示
す一部の分解斜面図、第６図はその側断面図、第７図は
別実施例を示す一部の分解斜面図、第８図はその側断面
図、第９図はその一部の斜面図、第１０図は別実施例を
示す一部の分解斜面図、第１１図はその側断面図、第１
２図は別実施例を示す一部の分解斜面図、第１３図はそ
の側断面図、第１４＠は別実施例を示す一部の側断面図
、第１５図は別実施例を示す一部の側断面図である。
図中、符号（１）はシリンダケース、（２）はクランク
軸、（３）はベアリングキャップ、（４）はギヤケース
、（５）はオイルパン、（６）、（７）、（８）、（９
）は接合面、ｆｌｏｌはオイルシールを示す。The figures show an embodiment of the present invention, in which Fig. 1 is a partial bottom slope view, Fig. 2 is a partial side sectional view, Fig. 3 is a partial exploded slope view, and Fig. 4 is a partially exploded slope view. A front sectional view, FIG. 5 is a partial exploded slope view showing another embodiment, FIG. 6 is a side sectional view thereof, FIG. 7 is a partial exploded slope view showing another embodiment, and FIG. 8 is an exploded slope view thereof. 9 is a partial perspective view of the same, FIG. 10 is an exploded partial perspective view showing another embodiment, and FIG. 11 is a side sectional view of the same, and FIG.
Fig. 2 is an exploded perspective view of a part showing another embodiment, Fig. 13 is a side sectional view thereof, Fig. 14 is a part side sectional view showing another embodiment, and Fig. 15 is a part showing another embodiment. FIG. In the figure, (1) is the cylinder case, (2) is the crankshaft, (3) is the bearing cap, (4) is the gear case, (5) is the oil pan, (6), (7), (8), (9
) indicates a joint surface, and flol indicates an oil seal.
Claims (1)
クランク軸（２）方向端面部に嵌合するベアリングキャ
ップ（３）と、該シリンダケース（１）のクランク軸方
向外側部を覆うギヤケース（４）と、該シリンダケース
（１）の底部を覆うオイルパン（５）との間の角部の各
接合面（６）（７）（８）（９）間に亘るオイルシール
（１０）を設けてなるエンジンのクランク軸受キャップ
。A cylinder case (1), a bearing cap (3) that fits on the end face of the cylinder case (1) in the crankshaft (2) direction, and a gear case (4) that covers the outer side of the cylinder case (1) in the crankshaft direction. ) and an oil pan (5) that covers the bottom of the cylinder case (1), an oil seal (10) is provided between each joint surface (6), (7), (8), and (9) at the corner. Crank bearing cap for the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63087955A JPH0826813B2 (en) | 1988-04-08 | 1988-04-08 | Engine crank bearing cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63087955A JPH0826813B2 (en) | 1988-04-08 | 1988-04-08 | Engine crank bearing cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01262353A true JPH01262353A (en) | 1989-10-19 |
| JPH0826813B2 JPH0826813B2 (en) | 1996-03-21 |
Family
ID=13929295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63087955A Expired - Lifetime JPH0826813B2 (en) | 1988-04-08 | 1988-04-08 | Engine crank bearing cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0826813B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2863313A1 (en) * | 2003-12-03 | 2005-06-10 | Peugeot Citroen Automobiles Sa | Bearing cap sealing process for internal combustion engine, involves sealing cap to create one type of continuous sealing joints passing through sealing paths, and sealing cap to create another type of joint on plane surface of oil case |
| CN102269077A (en) * | 2011-05-25 | 2011-12-07 | 中国兵器工业集团第七○研究所 | Embedded engine driving plate |
| US9212621B2 (en) | 2013-03-13 | 2015-12-15 | Federal-Mogul Corporation | Piston and method of construction thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190550U (en) * | 1987-05-27 | 1988-12-08 |
-
1988
- 1988-04-08 JP JP63087955A patent/JPH0826813B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190550U (en) * | 1987-05-27 | 1988-12-08 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2863313A1 (en) * | 2003-12-03 | 2005-06-10 | Peugeot Citroen Automobiles Sa | Bearing cap sealing process for internal combustion engine, involves sealing cap to create one type of continuous sealing joints passing through sealing paths, and sealing cap to create another type of joint on plane surface of oil case |
| CN102269077A (en) * | 2011-05-25 | 2011-12-07 | 中国兵器工业集团第七○研究所 | Embedded engine driving plate |
| US9212621B2 (en) | 2013-03-13 | 2015-12-15 | Federal-Mogul Corporation | Piston and method of construction thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0826813B2 (en) | 1996-03-21 |
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