JPS60113013A - Lubricating device for engine - Google Patents

Abstract

PURPOSE:To reduce the weight and the size of the cylinder body of an engine, by a method wherein, in a lubricating device for an engine, oil galleries for respectively intercommunicating an oil pump and lubricating spots are disposed rationally. CONSTITUTION:With an oil pump operated through driving of an engine, oil is sucked from the lower part at the interior of a cylinder body 1 through an oil gallery 4, is fed from an oil gallery 5 to an oil gallery 9 of other side wall part 6 through an oil gallery 9 of other side wall part 6 through an oil gallery 15 communicated with the oil gallery 5. The oil from the oil gallery 19 lubricates a crank bearing part and a suction and exhaust cam part 8 and the like. The oil galleries 5 and 9, located to both side wall parts 2 and 6 of the cylinder body 1, are intercommunicated through an oil gallery 15 mounted to a front wall part 12 of a transmission case 11, with which a front end surface 10 of the cylinder body 1 is covered with, to lubricate the oil. This enables the front end surface 10 of the cylinder body 1 to be decreased in thickness, and besides, this permits the front wall part 12 of the transmission case 11 to be increased in rigidity.

Description

【発明の詳細な説明】 この発明は、エンジンの潤滑装置に関し、オイルギヤラ
リを合理的に配設してエンジンのシリンダボディの軽量
化を図ろうとする。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lubricating device for an engine, and attempts to reduce the weight of an engine cylinder body by rationally arranging an oil gear rally.

このため、この発明は、次のような技術的手段ヲ講シた
。即ち、シリンダボディ（１）の−側壁部（２）にはこ
れに装着するオイルボンデ（３）と連通ずる吸入側及び
送出側の各オイルギャラＵ（４）（５）を設け、他側壁
部（６）にはクランク軸受部（７）及び仮初ト気カム部
（８）等に連通ずるオイルギヤラリ（９）を設け、該シ
リンダボディ（１）の前端面α０を覆う伝動ケースαυ
の前壁部（２）には、これら両側壁部（２）　（６）の
各オイルギヤラリ ギヤラリ００を設けてなるエンジンの潤滑装置の構成と
する。For this reason, the present invention has taken the following technical means. That is, the negative side wall (2) of the cylinder body (1) is provided with oil galleys U (4) and (5) on the suction and delivery sides that communicate with the oil bonder (3) attached thereto, and the other side wall ( 6) is provided with an oil gear lary (9) that communicates with the crank bearing part (7) and the temporary first air cam part (8), etc., and a transmission case αυ that covers the front end face α0 of the cylinder body (1).
The engine lubricating system is configured such that the front wall (2) of the engine is provided with oil gear 00 of the side walls (2), (6).

この発明は、このような構成により、次のような技術的
効果を有する。即ち、エンジンの駆−動によってオイル
ポンプ（３）が回転されると、オイルギヤラリ（４）を
経てシリンダボディ（１）内下部７５ｓらメーイルを吸
入してオイルギヤラリ（５）から、これに連接するオイ
ルギヤラリα均を通して、他側壁部（６）のオイルギヤ
ラリ（９）へ送り、このオイルギヤラリ（９）からクラ
ンク軸受部（７）、及び吸排気カム部（８）等ｋｎ滑す
るものであり、シリンダボディ（１）の左右両側壁部（
２）と（６）とに設けるオイルギヤラリ（５）と（９）
とを、このシリンダボディ（１）前端面ＯＱを覆う伝動
ケース（１］）の前壁部αつに設けたオイルギヤ→すθ
→によって連絡し、オイルを潤滑するものであるから、
シリンダボディ（１）の前端面００部の厚さを遵り形成
して、しかも伝動ケース０］）の前壁部α匂の剛性を高
めることができ、軽量化、小型化することができる。With this configuration, the present invention has the following technical effects. That is, when the oil pump (3) is rotated by the drive of the engine, the mail is sucked from the inner lower part 75s of the cylinder body (1) through the oil gear rally (4), and is pumped from the oil gear rally (5) to the oil gear gallery connected thereto. It is sent to the oil gear lary (9) of the other side wall part (6) through the α uniform, and from this oil gear lary (9) the crank bearing part (7) and the intake/exhaust cam part (8), etc. slide, and the cylinder body ( 1) Left and right side walls (
Oil gear larries (5) and (9) provided in 2) and (6)
and an oil gear provided on the front wall α of the transmission case (1) that covers the front end surface OQ of this cylinder body (1) →
→Because it communicates and lubricates the oil,
It is formed to conform to the thickness of the front end surface of the cylinder body (1), and the rigidity of the front wall part of the transmission case (0) can be increased, making it possible to reduce the weight and size.

なお、図例において、シリンダボディ（１）は下部にク
ランク室ＯＱを、上部にシリンダａηを配設し、前部左
右両側には張出部ａ８）ａ呻を各々一体成形し、このう
ち張出部０８）には燃料を噴射させるだめ燃料噴射カム
室翰を形成し、との張出部α８）の前端面ｏ。In the illustrated example, the cylinder body (1) has a crank chamber OQ in the lower part and a cylinder aη in the upper part, and overhangs a8) and a8 are integrally molded on both the left and right sides of the front part. The protrusion part 08) is formed with a fuel injection cam chamber for injecting fuel, and the front end face o of the protrusion part α8).

は前記伝動ケーク０１）の取付面とし、後端面Ｑυには
オイルポンプ（３）を取付けることができる。オイルギ
ヤラリ（４）は上端をこの後端面０υに開口（イ）し、
下端をシリンダボディ（１）のクランク室ｏＱの下端に
おいてこの下面を覆うオイルパンに）に向けて開口に）
し、この開口（ハ）にオイルフィルタ（財）の吸入部を
連接させる。又、オイルギヤラリ（５）は後端を張出部
０８）の後端面Ｑυに開口（ハ）し、前端開口部ｏ３と
連通すべく張出部ＯＱに形成している。is the mounting surface of the transmission cake 01), and the oil pump (3) can be mounted on the rear end surface Qυ. The oil gear (4) has its upper end opened (A) at this rear end surface 0υ,
The lower end opens toward the oil pan that covers the lower surface of the crank chamber oQ of the cylinder body (1).
Then, connect the suction part of the oil filter (goods) to this opening (c). Further, the oil gear gallery (5) has its rear end opened (c) in the rear end surface Qυ of the overhang part 08), and is formed in the overhang part OQ so as to communicate with the front end opening o3.

オイルギヤラリ（９）はシリンダボディ（１〕の他側壁
（６）の下部に前後方向に形成し、クランク軸ＱＱの各
軸受部（７）及び吸排気カム軸（ハ）の軸受部（８）等
に分岐連通（ハ）翰し、又、後端は上部のシリンダヘッ
ド（至）部へ連通させている。The oil gear rally (9) is formed in the front-rear direction at the bottom of the other side wall (6) of the cylinder body (1), and includes each bearing part (7) of the crankshaft QQ, the bearing part (8) of the intake and exhaust camshaft (c), etc. There is a branch communication (c) over the top, and the rear end communicates with the upper cylinder head (end).

伝動ケース０］）はシリンダボディ（１）の前端面ＱＯ
）を左右の張出部α８）θつに亘って覆うべく着脱自在
に設け、オイルギヤラリ０υは一側上部の前記開口部（
１■から他側下部の開口部αΦに斜めに向うよう形成さ
れ、この途中は分岐０］）されて、クランク軸Ｑ０前端
の伝動ケースαのに対する軸受部０２を潤滑すべく連通
させている。Transmission case 0]) is the front end surface QO of the cylinder body (1)
) is removably provided to cover the left and right overhangs α8)θ, and the oil gear lary 0υ is provided at the opening (
It is formed so as to extend diagonally from the opening αΦ in the lower part of the other side, and a branch 0]) is formed in the middle of the opening to connect the bearing part 02 to the transmission case α at the front end of the crankshaft Q0 for lubrication.

（ト）はクランク軸（イ）前端のギヤ、（ロ）は中間ギ
ヤ、（至）は燃料噴射カム軸（至）のギヤ、（ロ）は油
圧用オイルポンプのギヤで、伝動ケースθυはこれら各
ギヤを覆う。オイルポンプ（３）は燃料噴射カム軸（ト
）の後端に取りつける。（ハ）は吸気筒、０＠は冷却フ
ァン、顛はクラッチ、０◇は燃料噴射パイプを示す。(G) is the front end gear of the crankshaft (A), (B) is the intermediate gear, (To) is the gear of the fuel injection camshaft (To), (B) is the gear of the hydraulic oil pump, and the transmission case θυ is Cover each of these gears. The oil pump (3) is attached to the rear end of the fuel injection camshaft (g). (c) indicates the intake cylinder, 0@ indicates the cooling fan, 2 indicates the clutch, and 0◇ indicates the fuel injection pipe.

クランク軸（イ）の回転により、ギヤｃ１３（ロ）（ハ
）を介して軸（至）を回転し、オイルポンプ（３）が回
転される。The rotation of the crankshaft (a) rotates the shaft (to) via gears c13 (b) and (c), thereby rotating the oil pump (3).

オイルパン（イ）に溜ったオイルはオイルフィルタ■か
らオイルギヤラリ（４）を吸入されて、一旦オイルポン
プ（３）に入り、オイルギヤラリ（５）からａのを経て
（９）に送られ、軸受部１ｆｆ２　（７）及びカム軸部
（８）等を潤し、更に上部のシリンダヘッド（至）部内
を潤滑し、これら潤滑したオイルはシリンダボディ（１
）内を経て再び下部のオイルパン（イ）内に戻り循環さ
れる。The oil accumulated in the oil pan (A) is sucked into the oil gear (4) from the oil filter (■), enters the oil pump (3), and is sent from the oil gear (5) to (9) via (a) to the bearing. 1ff2 (7) and the camshaft (8), and further lubricates the inside of the upper cylinder head (to). These lubricated oils are used to lubricate the cylinder body (1).
) and then returns to the lower oil pan (a) where it is circulated.

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

図はこの発明の一実施例を示すもので、第１図は左側面
図、第２図はその一部の平面図、第３図は一部の正面図
、第４図はその拡大断面図、第５図は右側面図、第６図
は背面図、第７図は底面図である。 図中、符号（１）はシリンダボディ、（２）は−側壁部
、（３）はオイルポンプ、（４）　（５）はオイルギヤ
ラリ、（６）は他側壁部、（７）はクランク軸受部、（
８）は吸排気カム部、（９）はオイルギヤラリ、θ０は
前端面、０］）は伝動ケース、◇りは前壁部、０４０勺
は開口部、ｑ→はオイルギヤラリを示す。 特許出願人の名称 井関農機株式会社The drawings show one embodiment of the present invention, in which Fig. 1 is a left side view, Fig. 2 is a plan view of a portion thereof, Fig. 3 is a front view of a portion thereof, and Fig. 4 is an enlarged sectional view thereof. , FIG. 5 is a right side view, FIG. 6 is a rear view, and FIG. 7 is a bottom view. In the figure, (1) is the cylinder body, (2) is the negative side wall, (3) is the oil pump, (4) and (5) is the oil gear lary, (6) is the other side wall, and (7) is the crank bearing. ,(
8) is the intake and exhaust cam part, (9) is the oil gear lary, θ0 is the front end surface, 0]) is the transmission case, ◇ is the front wall part, 040 is the opening, and q→ is the oil gear lary. Patent applicant name Iseki Agricultural Machinery Co., Ltd.

Claims (1)

【特許請求の範囲】[Claims] シリンダボディ（１）の−側壁部（２）にはこれに装着
するオイルポンプ（３）と連通ずる吸入側及び送出側の
各オイルギャラ’Ｊ（４）（５）を設け、他側壁部（６
）にはクランク軸受部（７）及び吸排気カム部（８）等
に連通ずるオイルギヤラリ（９）を設け、該シリンダボ
ディ（１）の前端面ａ０を覆う伝動ケース（１］）の前
壁部θ２には、これら両側壁部（２）　（６）の各オイ
ルギャラ！）（５）（９）の前端開口部Ｑ３　（１４）
間を連通ずるオイルギヤフリ０句ヲ設けてなるエンジン
の潤滑装置。The negative side wall (2) of the cylinder body (1) is provided with oil galleys (4) and (5) on the suction and delivery sides that communicate with the oil pump (3) attached thereto, and the other side wall ( 6
) is provided with an oil gear lary (9) that communicates with the crank bearing (7), the intake/exhaust cam (8), etc., and the front wall of the transmission case (1) that covers the front end surface a0 of the cylinder body (1). At θ2, each oil gallery on both side walls (2) and (6) is shown! ) (5) Front end opening Q3 of (9) (14)
An engine lubricating device that is equipped with an oil gear valve that communicates between the two.