JPS63104610U - - Google Patents

Info

Publication number
JPS63104610U
JPS63104610U JP20193286U JP20193286U JPS63104610U JP S63104610 U JPS63104610 U JP S63104610U JP 20193286 U JP20193286 U JP 20193286U JP 20193286 U JP20193286 U JP 20193286U JP S63104610 U JPS63104610 U JP S63104610U
Authority
JP
Japan
Prior art keywords
oil
main bearing
gear
lary
crankshaft
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
Application number
JP20193286U
Other languages
Japanese (ja)
Other versions
JPH0447372Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP20193286U priority Critical patent/JPH0447372Y2/ja
Priority to US07/135,590 priority patent/US4793301A/en
Publication of JPS63104610U publication Critical patent/JPS63104610U/ja
Application granted granted Critical
Publication of JPH0447372Y2 publication Critical patent/JPH0447372Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案による空冷式直列２気筒エンジ
ンの一実施例を示す断面図、第２図は第１図の
―断面図、第３図は第１図の―断面図、第
４図は第１図の―断面図、第５図は本考案に
よるクランク軸の要部を示す拡大断面図である。 １……クランクケース本体、２……メインベア
リングカバー、３……クランク軸、４……バラン
サ軸、１１……オイルポンプ、１３……メインベ
アリング、１５……ジヤーナル、１６……メイン
ベアリング、１７……ジヤーナル、１８，１９…
…ウエブ、２４……第１クランクピン、２５……
第２クランクピン、２６……ウエブ、２７……第
１オイルギヤラリ、２８……第２オイルギヤラリ
、２９……オイル連絡孔、３０……潤滑油孔、３
１……オイル供給路、３２……オイル取入孔、３
３……給油ジエツト、３４……バランサドライブ
ギヤ、３５……オイル供給孔、３６……給油ジエ
ツト、３７……オイル供給孔、３８……チエツク
ボール弁、３９……スプリング、４０……栓体。 FIG. 1 is a sectional view showing an embodiment of an air-cooled in-line two-cylinder engine according to the present invention, FIG. 2 is a sectional view of FIG. 1, FIG. 3 is a sectional view of FIG. 1, and FIG. FIG. 1 is a cross-sectional view, and FIG. 5 is an enlarged cross-sectional view showing the main parts of the crankshaft according to the present invention. 1... Crank case body, 2... Main bearing cover, 3... Crank shaft, 4... Balancer shaft, 11... Oil pump, 13... Main bearing, 15... Journal, 16... Main bearing, 17 ... Journal, 18, 19...
...web, 24...first crank pin, 25...
2nd crank pin, 26... web, 27... first oil gear lary, 28... second oil gear lary, 29... oil communication hole, 30... lubricating oil hole, 3
1...Oil supply path, 32...Oil intake hole, 3
3... Oil supply jet, 34... Balancer drive gear, 35... Oil supply hole, 36... Oil supply jet, 37... Oil supply hole, 38... Check ball valve, 39... Spring, 40... Plug body .

Claims (1)

【実用新案登録請求の範囲】 クランクケースとシリンダとが一体に成形され
たクランクケース本体と、潤滑系のオイル通路を
有するメインベアリングカバーとによりクランク
軸を支持し、 上記クランク軸のメインベアリングカバー側に
位置したジヤーナル部内に、オイルポンプから圧
送されたオイルを導く第１オイルギヤラリを穿設
するとともに、上記エンジンの第１、第２クラン
クピン中心および両端部のウエブを貫通し、メイ
ンベアリングに対向して開口する第２オイルギヤ
ラリを穿設し、 上記両オイルギヤラリを第１クランクピンに給
油するオイル連絡孔により連通し、 上記第２オイルギヤラリのクランクケース本体
側ウエブの開口部にクランクケース本体側とメイ
ンベアリングに対向する給油ジエツトを形成し、 上記メインベアリングカバー側ウエブの端面に
固設されたバランサドライブギヤとの間に、第２
オイルギヤラリに連通するチエツクボール弁を設
けると共に、上記チエツクボール弁を介してメイ
ンベアリングカバー側メインベアリングに対向す
る給油ジエツトを形成してなることを特徴とする
クランク軸軸受部の潤滑装置。[Scope of Claim for Utility Model Registration] A crankshaft is supported by a crankcase body in which a crankcase and a cylinder are integrally formed, and a main bearing cover having a lubricating oil passage, and the main bearing cover side of the crankshaft is A first oil gear lary is drilled in the journal portion located at the oil pump to guide the oil pumped from the oil pump, and the first oil gear lary passes through the center and webs at both ends of the first and second crank pins of the engine, and faces the main bearing. A second oil gear lary that opens at A second oil supply jet is formed opposite to the balancer drive gear, which is fixed to the end surface of the main bearing cover side web.
A lubricating device for a crankshaft bearing, characterized in that it is provided with a check ball valve that communicates with an oil gear gallery, and also forms an oil supply jet that faces the main bearing on the main bearing cover side through the check ball valve.
JP20193286U 1986-12-25 1986-12-25 Expired JPH0447372Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP20193286U JPH0447372Y2 (en) 1986-12-25 1986-12-25
US07/135,590 US4793301A (en) 1986-12-25 1987-12-21 Lubricating system for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20193286U JPH0447372Y2 (en) 1986-12-25 1986-12-25

Publications (2)

Publication Number Publication Date
JPS63104610U true JPS63104610U (en) 1988-07-06
JPH0447372Y2 JPH0447372Y2 (en) 1992-11-09

Family

ID=31165850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20193286U Expired JPH0447372Y2 (en) 1986-12-25 1986-12-25

Country Status (1)

Country Link
JP (1) JPH0447372Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000088056A (en) * 1998-09-12 2000-03-28 Honda Motor Co Ltd Four-cycle engine lubricating structure
JP2016056730A (en) * 2014-09-09 2016-04-21 三菱自動車工業株式会社 Crankshaft supporting part structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000088056A (en) * 1998-09-12 2000-03-28 Honda Motor Co Ltd Four-cycle engine lubricating structure
JP2016056730A (en) * 2014-09-09 2016-04-21 三菱自動車工業株式会社 Crankshaft supporting part structure

Also Published As

Publication number Publication date
JPH0447372Y2 (en) 1992-11-09

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