JPH0233415A - Engine - Google Patents

Engine

Info

Publication number
JPH0233415A
JPH0233415A JP18040488A JP18040488A JPH0233415A JP H0233415 A JPH0233415 A JP H0233415A JP 18040488 A JP18040488 A JP 18040488A JP 18040488 A JP18040488 A JP 18040488A JP H0233415 A JPH0233415 A JP H0233415A
Authority
JP
Japan
Prior art keywords
engine
parts
oil
governor device
starting motor
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.)
Pending
Application number
JP18040488A
Other languages
Japanese (ja)
Inventor
Takeshi Okawa
毅 大川
Reiichi Kachi
加地 令一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
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 by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP18040488A priority Critical patent/JPH0233415A/en
Publication of JPH0233415A publication Critical patent/JPH0233415A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B75/22Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/16Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18Multi-cylinder engines
    • F02B2075/1804Number of cylinders
    • F02B2075/1808Number of cylinders two

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

PURPOSE:To facilitate the lubricant maintenance operation and enable to prevent the other parts from being soiled in operation by centralizing the disposition of the lubricant maintenance parts on one side of the engine of a riding lawn mower, etc., and disposing the governor device parts and a starting motor on the other side. CONSTITUTION:In addition to the parts of a governor device disposed at one side part of an engine, a starting motor 32 is further provided as another part therein. On the other hand, lubricant maintenance parts such as an oil filling pipe 34, an oil drain branch pipe and an oil element container 36 are convergently provided at the other side part of the engine. Accordingly, the lubricant maintenance operation such as oil change and oil element replacement can be facilitated because of the centralized disposition of these parts. Moreover, the link mechanism that is the part of the governor device and the starting motor 32 disposed at the other side of the engine can be prevented from being soiled by possible oil leaks.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明はガバナ装置を設けたエンジンに関し、さらに詳
しくは特に乗用型芝刈機等の作業機に搭載された作業速
度を一定回転に調速する必要のあるエンジンに関する。
[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to an engine equipped with a governor device, and more particularly, to an engine equipped with a governor device, and more particularly, to an engine equipped with a governor device, which is particularly suitable for controlling the speed of work mounted on a working machine such as a riding lawn mower to a constant rotation speed. Regarding certain engines.

〔従来技術〕[Prior art]

乗用型芝刈機が2面を綺麗に刈り上げるためには、負荷
の如何にかかわらずエンジンの回転速度を一定に調速す
る必要がある。そのため−般に、この種のエンジンには
、調速用のガバナ装置が設けられている。そして、この
ガバナ装置によってセットされるエンジン速度は、例え
ばリンク型の場合には、そのリンク機構中に設けられた
ねじ機構を調節することによって調整できるようになっ
ている。
In order for a riding lawn mower to cut two surfaces neatly, it is necessary to control the rotational speed of the engine at a constant rate regardless of the load. Therefore, this type of engine is generally provided with a governor device for speed control. The engine speed set by this governor device can be adjusted, for example, in the case of a link type, by adjusting a screw mechanism provided in the link mechanism.

一方、作業機のように過酷な条件下に使用される車両に
搭載されたエンジンでは、絶えずメンテナンスを欠かさ
ないようにすることが必要であり、中でも潤滑系メンテ
ナンスは最も重要な作業である。この潤滑系メンテナン
ス作業には、オイルの交換、オイルエレメントの交換、
オイルレベルの確認など多数にわたっており、これらの
作業を行うために、作業毎にそれらの部品が設けられた
位置へ足を運ぶ必要があり、かなり繁雑なものになる。
On the other hand, engines installed in vehicles that are used under harsh conditions, such as power machines, require constant maintenance, and lubrication system maintenance is the most important task. This lubrication system maintenance work includes changing the oil, replacing the oil element,
There are many things to do, such as checking the oil level, and in order to perform these tasks, it is necessary to visit the locations where those parts are installed each time, making it quite complicated.

また、この潤滑系メンテナンス作業においては、作業中
にオイルがこぼれることは避けられず、そのこぼれたオ
イルが他の部品に付着して汚損を招くことがある。例え
ば、オイルが上記ガバナ装置のリンク機構に付着すると
、その汚れのためにセット速度の調整作業を困難にし、
かつ作業のたびに手等を汚すようになる。また、始動モ
ータにオイルが付着すると、そのオイルが埃を吸い込ん
で蓄積されるため絶縁部品などに悪影響を与えたり、機
能の低下を招いたりするようになる。
Furthermore, in this lubrication system maintenance work, it is inevitable that oil will spill during the work, and the spilled oil may adhere to other parts and cause stains. For example, if oil adheres to the link mechanism of the governor device, the dirt will make it difficult to adjust the set speed.
In addition, they get their hands dirty every time they work. Furthermore, if oil adheres to the starter motor, the oil will suck in dust and accumulate, which may adversely affect insulating parts and cause a decline in functionality.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

本発明の目的は、上述したガバナ装置を設けたエンジン
の問題を解消し、潤滑系メンテナンス作業を容易にする
と共に、ガバナ装置などの他の部品を汚損して、他の支
障を招くことがないようにしたエンジンを提供すること
にある。
It is an object of the present invention to solve the above-mentioned problem of an engine equipped with a governor device, to facilitate maintenance work on the lubrication system, and to prevent other parts such as the governor device from becoming dirty and causing other problems. Our goal is to provide an engine that is designed to:

〔課題を解決するための手段〕[Means to solve the problem]

上記目的を達成するための本発明は、ガバナ装置を設け
たエンジンにおいて、このエンジンの両側部のうちの片
側に潤滑系メンテナンス部品を集中配置し、その反対側
に前記ガバナ装置の部品と始動モータを配置したことを
特徴とするものである。
To achieve the above object, the present invention provides an engine equipped with a governor device, in which lubricating system maintenance parts are concentrated on one side of both sides of the engine, and parts of the governor device and starting motor are arranged on the opposite side. It is characterized by the arrangement of.

以下、図に示す実施例によって本発明を説明する。The present invention will be explained below with reference to embodiments shown in the figures.

第2図は本発明の実施例からなるエンジンを搭載した乗
用型芝刈機を概略的に示すものである。
FIG. 2 schematically shows a riding lawn mower equipped with an engine according to an embodiment of the present invention.

図において、1は車体であり、2は車体1の前部に搭載
された本発明によるエンジン、3は前輪、4は後輪、5
はハンドル、6はシートである。前端3と後輪4との間
には、カッター7を収容したカッターハウジング8が前
後のリンク9,9によって懸架され、かつ昇降レバー1
0の操作によってリンク機構11を介して昇降可能にな
っている。
In the figure, 1 is a vehicle body, 2 is an engine according to the present invention mounted on the front part of the vehicle body 1, 3 is a front wheel, 4 is a rear wheel, and 5 is a front wheel.
is a handle, and 6 is a seat. Between the front end 3 and the rear wheel 4, a cutter housing 8 containing a cutter 7 is suspended by front and rear links 9, and a lift lever 1
It is possible to move up and down via the link mechanism 11 by the operation of 0.

上記エンジン2はクランク軸12を上下方向に設けたバ
ーチカル型で、下側に突出したクランク軸端部に2個の
プーリ13,14を固定し、また上側に突出したクラン
ク軸端部に冷却ファン24を固定している。
The engine 2 is of a vertical type with a crankshaft 12 installed vertically, two pulleys 13 and 14 are fixed to the end of the crankshaft that protrudes downward, and a cooling fan is attached to the end of the crankshaft that protrudes upward. 24 is fixed.

クランク軸下端に設けたプーリのうち下側のプーリ14
は、カッターハウジング8に設けたプーリ15との間に
ベルト16を巻回し、さらにプーリ17と18との間に
ベルト19を巻回してカッター7を駆動するようにして
いる。また・上側のプーリ13は、車体後部の油圧トラ
ンスミッション20のプーリ21との間にヘルド22を
巻回し、その油圧トランスミッション20に動力を入力
するようにしている。この油圧トランスミッション2o
は、入力した動力をギヤケース23内の減速歯車を介し
て後輪4に伝達する。
The lower pulley 14 of the pulleys provided at the lower end of the crankshaft
A belt 16 is wound around a pulley 15 provided on the cutter housing 8, and a belt 19 is wound between pulleys 17 and 18 to drive the cutter 7. Further, a heald 22 is wound between the upper pulley 13 and a pulley 21 of a hydraulic transmission 20 at the rear of the vehicle body, so that power is input to the hydraulic transmission 20. This hydraulic transmission 2o
transmits the input power to the rear wheels 4 via the reduction gear in the gear case 23.

さらに第2図と共に第1図も参照して説明すると、上述
したようにエンジン2はクランク軸12がバーチカル型
であると共に、水平方向に延びる左右2個の気筒25a
、25bを有している。これら2個の気筒25a、25
bは斜め前方にV型に開き、かつ上下方向に段差を以て
オフセントされている。すなわち、この実施例では右側
の気筒25bの方が左側の気筒25aよりも高くなって
いる。
Further, referring to FIG. 1 as well as FIG. 2, as described above, the engine 2 has a vertical crankshaft 12 and two left and right cylinders 25a extending horizontally.
, 25b. These two cylinders 25a, 25
b opens diagonally forward in a V-shape and is offset vertically with a step. That is, in this embodiment, the cylinder 25b on the right side is higher than the cylinder 25a on the left side.

このエンジン2の前端部にはエアクリーナ33が設けら
れ、上記両気筒25a、25bに対し等距離となる位置
に気化器31が設けられている。
An air cleaner 33 is provided at the front end of the engine 2, and a carburetor 31 is provided at a position equidistant from both cylinders 25a, 25b.

また、エンジン外側部のうちの片側にはガバナ装置30
が設けられている。このガバナ装置30としては、クラ
ンク軸12と同期して中間歯車26を介し回転駆動され
るフライウェイト機構27をエンジン内側に設け、この
フライウェイト機構27によりガバナフォーク28を操
作し、さらにエンジン外側のリンク機構29を介して気
化器31の絞り弁を制御し、負荷の変動にかかわらずエ
ンジンが常に一定回転になるようにしている。フライウ
ェイト機構27の詳細は図では省略されているが、ウェ
イトの遠心力を利用してエンジン回転数に比例した変位
量を検出する公知の機構を使用すればよい。このフライ
ウェイト機構27の変位量を気化器31に伝達するため
のリンク機構29は、気筒25bの下側を通すように設
けられている。
Also, a governor device 30 is provided on one side of the outer side of the engine.
is provided. This governor device 30 is provided with a flyweight mechanism 27 inside the engine that is rotationally driven via an intermediate gear 26 in synchronization with the crankshaft 12, and a governor fork 28 is operated by the flyweight mechanism 27. The throttle valve of the carburetor 31 is controlled via the link mechanism 29 to ensure that the engine always rotates at a constant speed regardless of load fluctuations. Although details of the flyweight mechanism 27 are omitted in the figure, a known mechanism that uses the centrifugal force of the weight to detect a displacement proportional to the engine speed may be used. A link mechanism 29 for transmitting the displacement amount of the flyweight mechanism 27 to the carburetor 31 is provided so as to pass under the cylinder 25b.

上記ガバナ装置30の部品が設けられたエンジン側部に
は、別の部品として始動モータ32が設けられている。
A starting motor 32 is provided as another component on the side of the engine where the components of the governor device 30 are provided.

一方、上記とは反対側のエンジン側部には、オイル注入
管34、オイルドレン抜き管35、オイルエレメント収
納器36などの潤滑系メンテナンス部品が集中して設け
られている。
On the other hand, on the engine side opposite to the above, lubricating system maintenance parts such as an oil injection pipe 34, an oil drain pipe 35, and an oil element storage container 36 are provided in a concentrated manner.

上述した構成からなるエンジンによると、オイル交換や
オイルエレメント交換などの潤滑系メンテナンス作業を
するときは、オイル注入管34、オイルドレン抜き管3
5、オイルエレメント収納器36などの潤滑系メンテナ
ンス部品がエンジン2の片側に対して集中配設されてい
るため、同じ場所で集中して行うことができる。
According to the engine configured as described above, when performing lubrication system maintenance work such as oil change or oil element replacement, the oil injection pipe 34 and the oil drain pipe 3 are
5. Lubricating system maintenance parts such as the oil element storage container 36 are centrally arranged on one side of the engine 2, so maintenance can be performed in the same place.

すなわち、このエンジンを搭載した車両の色々な場所に
、作業の種類毎に移動する必要がないから、その作業を
容易にすることができる。
That is, since there is no need to move the vehicle equipped with this engine to various locations for each type of work, the work can be facilitated.

また、ガバナ部品のリンク機構29や始動モータ32は
、上記潤滑系メンテナンス部品とは反対側のエンジン側
部に対して配置されているので、上記潤滑系メンテナン
ス作業においてオイルのこぼれがあっても、そのオイル
によって汚損されることはない。したがって、ガバナ装
置の調整作業を困難にしたり、手等を汚したりすること
はなく、また始動モータがオイル汚損に伴う埃の蓄積に
よって機能不良を招いたりすることもなくなる。
Furthermore, since the link mechanism 29 and starting motor 32 of the governor parts are arranged on the side of the engine opposite to the lubrication system maintenance parts, even if oil is spilled during the lubrication system maintenance work, It cannot be contaminated by that oil. Therefore, the adjustment work of the governor device is not made difficult, hands, etc. are not made dirty, and the starting motor does not malfunction due to accumulation of dust due to oil contamination.

なお、上述した実施例では乗用型芝刈機に搭載したエン
ジンの場合について説明したが、本発明はこの芝刈機用
のみに限らず、ガバナ装置を設けたエンジンであれば、
いずれの車両に搭載したものでも適用することができる
In addition, although the above-mentioned embodiment explained the case of an engine mounted on a riding lawn mower, the present invention is not limited to this lawn mower, but can also be applied to an engine equipped with a governor device.
It can be applied to any vehicle.

〔発明の効果〕〔Effect of the invention〕

上述したように、本発明は、ガバナ装置を設けたエンジ
ンにおいて、このエンジンの両側部のうちの片側に潤滑
系メンテナンス部品を集中配置し、その反対側に前記ガ
バナ装置の部品と始動モータを配置したので、潤滑系メ
ンテナンス作業を行うとき同じ場所で集中して行うこと
ができ、作業を容易にすることができる。また、上記潤
滑系メンテナンス作業においてこぼれたオイルによって
ガバナ装置や始動モータなどの他の部品を汚損すること
がなくなる。
As described above, in an engine provided with a governor device, the lubricating system maintenance parts are arranged centrally on one side of both sides of the engine, and the parts of the governor device and the starting motor are arranged on the opposite side. Therefore, when performing lubrication system maintenance work, it can be concentrated in the same place, making the work easier. Further, spilled oil during the above-mentioned lubrication system maintenance work will not contaminate other parts such as the governor device and the starting motor.

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

図は本発明の実施例からなるエンジンを搭載した乗用型
芝刈機を示し、第1図は第2図のエンジン部分に対応す
る要部を示す概略平面図、第2図は全体を示す概略側面
図である。 2・・・エンジン、27・・・フライウェイト機構、2
9・・・リンク機構(ガバナ装置の部品)、30・・・
ガバナ装置、31・・・気化器、34・・・オイル注入
管(潤滑系メンテナンス部品)、35・・・オイルドレ
ン抜き管(潤滑系メンテナンス部品)、36・・・オイ
ルエレメント収納器(潤滑系メンテナンス部品)。
The figures show a riding-type lawn mower equipped with an engine according to an embodiment of the present invention, Fig. 1 is a schematic plan view showing the main parts corresponding to the engine part in Fig. 2, and Fig. 2 is a schematic side view showing the whole. It is a diagram. 2... Engine, 27... Flyweight mechanism, 2
9...Link mechanism (parts of governor device), 30...
Governor device, 31... Carburizer, 34... Oil injection pipe (lubrication system maintenance parts), 35... Oil drain pipe (lubrication system maintenance parts), 36... Oil element storage container (lubrication system maintenance parts) maintenance parts).

Claims (1)

【特許請求の範囲】[Claims] ガバナ装置を設けたエンジンにおいて、このエンジンの
両側部のうちの片側に潤滑系メンテナンス部品を集中配
置し、その反対側に前記ガバナ装置の部品と始動モータ
を配置したエンジン。
An engine equipped with a governor device, in which lubricating system maintenance parts are centrally arranged on one side of both sides of the engine, and parts of the governor device and a starting motor are arranged on the opposite side.
JP18040488A 1988-07-21 1988-07-21 Engine Pending JPH0233415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18040488A JPH0233415A (en) 1988-07-21 1988-07-21 Engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18040488A JPH0233415A (en) 1988-07-21 1988-07-21 Engine

Publications (1)

Publication Number Publication Date
JPH0233415A true JPH0233415A (en) 1990-02-02

Family

ID=16082653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18040488A Pending JPH0233415A (en) 1988-07-21 1988-07-21 Engine

Country Status (1)

Country Link
JP (1) JPH0233415A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1098076A2 (en) 1999-11-04 2001-05-09 Honda Giken Kogyo Kabushiki Kaisha V-2 Engine
EP1389678A1 (en) * 2002-08-12 2004-02-18 Tecumseh Products Company Engine control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1098076A2 (en) 1999-11-04 2001-05-09 Honda Giken Kogyo Kabushiki Kaisha V-2 Engine
US6357401B1 (en) 1999-11-04 2002-03-19 Honda Giken Kogyo Kabushiki Kaisha V-2 engine
EP1389678A1 (en) * 2002-08-12 2004-02-18 Tecumseh Products Company Engine control system
US6857410B2 (en) 2002-08-12 2005-02-22 Tecumseh Products Co Engine control system

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