JP2008183951A - Outboard propulsion device - Google Patents

Outboard propulsion device Download PDF

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JP2008183951A
JP2008183951A JP2007017188A JP2007017188A JP2008183951A JP 2008183951 A JP2008183951 A JP 2008183951A JP 2007017188 A JP2007017188 A JP 2007017188A JP 2007017188 A JP2007017188 A JP 2007017188A JP 2008183951 A JP2008183951 A JP 2008183951A
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plate
propulsion device
outboard propulsion
lift generating
lift
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JP5016932B2 (en
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Kazuyuki Shiomi
和之 塩見
Takeshi Okada
毅 岡田
Tetsuro Ikeno
哲朗 池野
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Priority to JP2007017188A priority Critical patent/JP5016932B2/en
Priority to US12/020,206 priority patent/US7594834B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an outboard propulsion device capable of attaining enhancement of rigidity of a lift generation plate comprising a plate-like member lengthy at left and right sides and attaining certainty and enhancement of lift generation function (enhancement of anti-drag force property underwater). <P>SOLUTION: In the outboard propulsion device 1 mounted to a rear end of a hull, the lift generation plate 20 having a front edge positioned at a rear side than a rear edge 4b of a lower unit 4 of the outboard propulsion device 1 is arranged behind the lower unit 4 and above an anti-cavitation plate 11 provided on the lower unit 4, and wing end plates 22 are provided at both left and right ends of the lift generation plate 20 in a vertical direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は船艇に装着した船外推進装置において、停船状態から滑走し始めた際に、船外推進装置を上方に持ち上げ、円滑な滑走に移行し得るようにした船外推進装置に関するものである。   The present invention relates to an outboard propulsion device mounted on a boat, and when the boat starts to slide from a stopped state, the outboard propulsion device is lifted upward to allow smooth transition. is there.

船外推進装置(船外機或いは船内外機)で滑走する船艇は、滑走していない状態や滑走の開始に際し、船尾が下がって水中に沈み込み、即ち、船首が上がった前上傾の状態、船尾が下がった後下傾した状態の斜めの状態であり、滑走開始に際しては、このように傾斜した状態で滑走し始める。
滑走開始に際しては抵抗が大きく、十分な船速が得られ難い。ある程度の船速を得るには、船尾がある程度持ち上がり、船体の姿勢が水平に近い状態になる必要があり、この姿勢に近づくには長い時間がかかり、円滑な加速が得られ難い。
A boat that slides with an outboard propulsion device (outboard motor or inboard / outboard motor) is not slid or at the start of the skate, and the stern descends and sinks into the water, that is, the boat tilts forward. This state is an oblique state in which the stern is lowered and then inclined downward, and at the start of sliding, it starts to slide in this inclined state.
At the start of gliding, resistance is high and it is difficult to obtain sufficient ship speed. In order to obtain a certain level of boat speed, the stern must be lifted to some extent and the hull posture needs to be almost horizontal. It takes a long time to approach this posture, and smooth acceleration is difficult to obtain.

そこで、従来、滑走開始に際し、船尾、船外推進装置を持ち上げる揚力装置が提案されている(例えば特許文献1、特許文献2、特許文献3参照。)。
特開昭57−60995号公報 アメリカ特許第4756265号明細書 アメリカ特許第5645009号明細書
Therefore, conventionally, a lift device has been proposed that lifts the stern and the outboard propulsion device at the start of sliding (see, for example, Patent Document 1, Patent Document 2, and Patent Document 3).
JP 57-60995 A US Pat. No. 4,756,265 specification US Pat. No. 5,645,009

特許文献1に開示された発明は、船外推進装置のロアケーシングのプロペラ上方にキャビテーションプレート、スプラッシュプレートを有し、この上方に加速プレートを取り付けた構成である。
加速プレートは、ロアケーシングの左右に突出し、前部の突出量が少なく、後部の突出量が大きく、且つ左右2枚の平坦な板状体で構成されている。
特許文献2に開示された発明は、プロペラの後部〜後方に延び、且つプロペラの左右に延びるように水中翼(ハイドロフォイルウイング)を備える構成である。
特許文献3に開示された発明は、マウンティングプレートにデフレクタプレートがヒンジを介して取り付けられており、油圧アクチュエータで伸縮されるコントロールロッドで角度を調整可能としたものである。
The invention disclosed in Patent Document 1 has a configuration in which a cavitation plate and a splash plate are provided above a propeller of a lower casing of an outboard propulsion device, and an acceleration plate is attached above this.
The acceleration plate protrudes to the left and right of the lower casing, has a small amount of protrusion at the front portion, a large amount of protrusion at the rear portion, and is constituted by two flat plate bodies on the left and right sides.
The invention disclosed in Patent Document 2 is configured to include hydrofoil wings that extend from the rear to the rear of the propeller and to the left and right of the propeller.
In the invention disclosed in Patent Document 3, a deflector plate is attached to a mounting plate via a hinge, and the angle can be adjusted by a control rod that is expanded and contracted by a hydraulic actuator.

特許文献1の発明では、左右の板材からなる加速プレートは中央部に凹部23が発生し、揚力を得る加速プレートの有効面積が小さくなり、効果的な揚力を得る上で不利であり、また、加速プレートの設置位置がキャビテーションプレートの真上で、且つプロペラの真上に近い位置であり、揚力発生中心が比較的推進機(プロペラ)と同じ位置にあるので、リフト効果が少ない。   In the invention of Patent Document 1, the acceleration plate made of the left and right plate members has a recess 23 at the center, which reduces the effective area of the acceleration plate to obtain lift, which is disadvantageous in obtaining effective lift. The installation position of the acceleration plate is directly above the cavitation plate and close to the top of the propeller, and the lift generation center is relatively at the same position as the propeller (propeller), so the lift effect is small.

特許文献2の発明では、揚力を得る水中翼がプロペラの後部〜後方に延び、プロペラの左右に延びるように配置されているので、特許文献1の発明と同様に揚力発生中心が比較的推進機(プロペラ)と同じ位置にあるので、リフト効果が少ないこと、水中翼の滑走時の抗力を考慮し、横幅が大きく取れない、という不都合がある。
また、特許文献3の発明では、マウンティングプレートがキャビテーションプレートと同じ高さ位置なので、滑走時の抗力を考慮し、デフレクタプレートは可動である必要があり、翼部の可動構造、駆動源等の構造が複雑化する。
本発明は、以上の問題点を解決すべくなされたものである。
In the invention of Patent Document 2, since the hydrofoil for obtaining lift extends from the rear part to the rear of the propeller and extends to the left and right of the propeller, the lift generation center is relatively a propulsion device as in the invention of Patent Document 1. Since it is in the same position as the (propeller), there are disadvantages that the lift effect is small and the lateral width cannot be increased in consideration of the drag force when the hydrofoil slides.
Further, in the invention of Patent Document 3, since the mounting plate is at the same height as the cavitation plate, the deflector plate needs to be movable in consideration of the drag force during sliding, and the structure of the movable structure of the wing, the drive source, etc. Is complicated.
The present invention has been made to solve the above problems.

本発明は、船外推進装置を取り付けた船艇において、滑走の開始時に極めて迅速に、そして円滑に船舶推進機、船尾を、揚力発生板により上方に持ち上げ、極めて短時間に、滑走する船体の姿勢を水平に近い状態とすることができるようにし、船外推進装置を取り付けた船艇の高速滑走に迅速、円滑に移行し得るようにした船外推進装置を提供し、本発明は、滑走時に揚力発生板を水上に出ることを可能とし、滑走時における水の抗力を受けることを防止し、これを小型、且つ構造簡素に、実現し得る船外推進装置を提供することを課題とし、特に本発明は、左右に長さのある板状部材からなる揚力発生板の剛性の向上を図り、揚力発生機能(水中における耐抗力性の向上)の確実化、向上を図り得る船外推進装置を提供することを課題とする。   The present invention relates to a ship equipped with an outboard propulsion device, in which a ship propulsion unit and a stern are lifted upward by a lift generating plate very quickly and smoothly at the start of sliding, and the hull that slides in a very short time. Provided is an outboard propulsion device that allows the attitude to be in a state close to horizontal, and allows a quick and smooth transition to high speed sliding of a boat equipped with the outboard propulsion device. An object of the present invention is to provide an outboard propulsion device that sometimes allows the lift generating plate to come out on the water, prevents the drag of water during sliding, and can achieve this in a compact and simple structure. In particular, the present invention aims to improve the rigidity of a lift generating plate made of a plate member having a length on the left and right, and to ensure and improve the lift generating function (improvement of resistance in water). The challenge is to provide .

請求項1に係る発明は、船体の後尾に取り付けられる船外推進装置において、船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、揚力発生板の左右両端部に縦向きに翼端板を設けたことを特徴とする。   The invention according to claim 1 is the outboard propulsion device attached to the tail of the hull, wherein the lift generating plate whose front edge is located behind the lower edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and the lower unit. It is arranged above the anti-cavitation plate provided in the unit, and wing tip plates are provided vertically at both left and right ends of the lift generating plate.

請求項2に係る発明は、船体の後尾に取り付けられる船外推進装置において、船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、揚力発生板の左右両端部に縦向きに翼端板を設けたことを特徴とする。   The invention according to claim 2 is the outboard propulsion device attached to the tail of the hull, wherein the lift generating plate whose front edge is located behind the lower edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and the lower unit. It is arranged above the anti-cavitation plate provided in the unit, and wing tip plates are provided vertically at both left and right ends of the lift generating plate.

請求項1に係る発明では、船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、揚力発生板の左右両端部に縦向きに翼端板を設けたので、先ず、揚力発生板により、滑走の開始時における船外推進装置の上方への持ち上げ作用が効果的になされ、迅速、円滑に、短時間で船外推進装置と、船尾を、揚力発生板により上方に持ち上げ、滑走する船体の姿勢を水平に近い状態とすることができる。
また本発明では、船外推進装置に設けられる揚力発生板が、船外推進装置のロアユニットの後縁よりも後方に前縁が位置するようにロアユニットの後方に配置し、且つロアユニットの左右に突設するアンチキャビテーションプレートよりも上方に配置したので、船舶推進機が持ち上げられ、滑走状態において、揚力発生板は水上に出た状態となり、水による抗力の影響を受けることがない。
In the invention according to claim 1, the lift generating plate having the front edge located behind the rear edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and above the anti-cavitation plate provided in the lower unit. Since the wing end plates are provided vertically at both left and right ends of the lift generating plate, first, the lift generating plate effectively lifts the outboard propulsion device at the start of sliding and quickly The outboard propulsion device and the stern can be lifted upward by the lift generating plate smoothly and in a short time, and the attitude of the hull can be made almost horizontal.
In the present invention, the lift generating plate provided in the outboard propulsion device is disposed behind the lower unit so that the front edge is positioned behind the rear edge of the lower unit of the outboard propulsion device, and the lower unit Since it has been arranged above the anti-cavitation plate projecting left and right, the ship propulsion device is lifted, and in the sliding state, the lift generating plate comes out on the water and is not affected by the drag caused by water.

特に本発明は、揚力発生板の左右両端部に縦向きに翼端板を設けたので、板状体で構成される揚力発生板の剛性が向上し、滑走の開始時における船外推進装置の上方への持ち上げ作用に際し、揚力発生板に作用する抗力に対して十分の剛性を確保し、揚力発生板の端部がバタつく等の事態を防止し、船外推進装置の持ち上げ作用を円滑、確実に行わせることができ、以上を揚力発生板の両端部に縦向きに翼端板を設けるという簡素な構造で実現することができる。   In particular, in the present invention, since the wing end plates are provided vertically at both left and right ends of the lift generating plate, the rigidity of the lift generating plate formed of a plate-like body is improved, and the outboard propulsion device at the start of the sliding is improved. When lifting upward, ensure sufficient rigidity against the drag acting on the lift generating plate, prevent the end of the lift generating plate from fluttering, etc., smooth the lifting action of the outboard propulsion device, This can be performed reliably, and the above can be realized by a simple structure in which the blade end plates are provided vertically at both ends of the lift generating plate.

請求項2に係る発明では、船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、揚力発生板の左右両端部に縦向きに翼端板を設けたので、先ず、揚力発生板により、滑走の開始時における船外推進装置の上方への持ち上げ作用が効果的になされ、迅速、円滑に、短時間で船外推進装置、船尾を、揚力発生板により上方に持ち上げ、滑走する船体の姿勢を水平に近い状態とすることができる。
また本発明では、船外推進装置に設けられる揚力発生板が、船外推進装置のロアユニットの後縁よりも後方に前縁が位置するようにロアユニットの後方に配置し、且つロアユニットの左右に突設するアンチキャビテーションプレートよりも上方に配置したので、船舶推進機が持ち上げられ、滑走状態後において、揚力発生板は水上に出た状態となり、水による抗力の影響を受けることがない。
In the invention according to claim 2, the lift generating plate having the front edge located behind the lower edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and above the anti-cavitation plate provided in the lower unit. Since the wing end plates are provided vertically at both left and right ends of the lift generating plate, first, the lift generating plate effectively lifts the outboard propulsion device at the start of sliding and quickly The outboard propulsion device and the stern can be lifted upwards smoothly by a lift generating plate in a short time, and the attitude of the hull can be made almost horizontal.
In the present invention, the lift generating plate provided in the outboard propulsion device is disposed behind the lower unit so that the front edge is positioned behind the rear edge of the lower unit of the outboard propulsion device, and the lower unit Since it is arranged above the anti-cavitation plate projecting left and right, the ship propulsion device is lifted up, and after the sliding state, the lift generating plate comes out on the water and is not affected by the drag caused by water.

特に本発明は、複数の揚力発生板の左右両端部に縦向きに翼端板を設けたので、複数の板状体で構成される揚力発生板の相互の取付、支持剛性が向上する。
特に、滑走の開始時における船外推進装置の上方への持ち上げ作用に際し、複数の揚力発生板に作用する抗力に対し、双方の両端部を翼端板で一体化し、複数の揚力発生板の剛性を十分に確保し、揚力発生板の端部がバタつく等の事態を防止し、船外推進装置の持ち上げ作用を円滑、確実に行わせることができ、以上を揚力発生板の両端部に縦向きに翼端板を設けるという簡素な構造で実現することができる。
また、複数の揚力発生板により、滑走開始時における船外推進装置のリフトアップ効果が複数の揚力発生板で相乗的に向上し、滑走開始時の船外推進装置のリフトアップ効果の高い揚力発生装置の小型化を図ることができるとともに、揚力発生板の後方へのオーバーハング量を小さくすることができ、この点からも小型化を図ることができる。
In particular, according to the present invention, since the blade end plates are provided vertically at the left and right ends of the plurality of lift generating plates, the mutual attachment and support rigidity of the lift generating plates formed of a plurality of plate-like bodies are improved.
In particular, when the outboard propulsion device is lifted upward at the start of gliding, both ends are integrated with the wing end plate against the drag acting on the multiple lift generating plates, and the rigidity of the multiple lift generating plates is integrated. This ensures that the end of the lift generating plate flutters, prevents the outboard propulsion device from lifting smoothly and reliably. This can be realized with a simple structure in which a blade end plate is provided in the direction.
In addition, the lift-up effect of the outboard propulsion device at the start of sliding is synergistically improved by the multiple lift-generating plates, and the lift generation of the outboard propulsion device at the start of sliding is high. The apparatus can be reduced in size, and the amount of overhang to the rear of the lift generating plate can be reduced. From this point, the apparatus can be reduced in size.

本発明を実施するための最良の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図1は、本発明の第1の実施の形態に係る船舶駆動装置の側面図である。この図面に従って船舶駆動装置の概略を説明する。
船外推進装置1は、外観的には最上部のエンジンカバー2、この下方のアンダーカバー3、この下方のエクステンションケース4及びこの下方のギヤケース5からなる船外機である。実施例ではエクステンションケース4及びギヤケース5はロアユニットを構成しアルミ合金等の軽金属で形成されている。
The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a side view of a marine vessel drive device according to the first embodiment of the present invention. An outline of the ship drive device will be described with reference to this drawing.
The outboard propulsion apparatus 1 is an outboard motor that includes an uppermost engine cover 2, an under cover 3 below, an extension case 4 below, and a gear case 5 below. In the embodiment, the extension case 4 and the gear case 5 constitute a lower unit and are made of a light metal such as an aluminum alloy.

エンジンカバー2内にはクランクシャフト及びカムシャフトが縦置きのバーチカルエンジンからなるエンジン6が収容され、エンジン6は軸線が横を向いたシリンダを、上下に複数個並べた多気筒エンジンである。
エンジン6は船外推進装置1の後部側がシリンダヘッドやヘッドカバーを含むエンジンヘッド6aであり、中間部側がシリンダブロック及びクランクケースからなるエンジン本体6bであり、エンジン6の下部はアンダーカバー3内に臨む。アンダーカバー3内にはエンジン本体の底部6cが臨み、且つこれの下方にオイルパンを内装したマウントケース7が配設されており、スロットル弁6f等により、運転を制御する。
The engine cover 2 accommodates an engine 6 composed of a vertical engine with a crankshaft and a camshaft arranged vertically, and the engine 6 is a multi-cylinder engine in which a plurality of cylinders whose axis is directed to the side are arranged vertically.
The engine 6 has an engine head 6a including a cylinder head and a head cover on the rear side of the outboard propulsion device 1, and an engine body 6b including a cylinder block and a crankcase on the intermediate side. The lower part of the engine 6 faces the under cover 3. . Inside the under cover 3, a bottom portion 6c of the engine main body is faced, and a mount case 7 having an oil pan inside is disposed below the bottom portion 6c. The operation is controlled by a throttle valve 6f or the like.

アンダーカバー3内の底部6c、マウントケース7を通して縦向きの駆動軸6eがエクステンションケース4,ギヤケース5の上部を縦通し、駆動軸6eでギヤケース5の中間部に設けたギヤボックス5a内のギヤ機構5cを駆動し、ギヤ機構5cで駆動される軸出力軸5bの後端部には推進力を発生するプロペラ8を結合し、推進機を構成する。
船外推進装置1の前側には縦長の凹部1aを設け、凹部1aはアンダーカバー3の前部下半、エクステンションケース4の前部にかけて設けられており、この凹部にスイベルケース9及びスターンブラケット10を設け、スイベル軸9aで操舵し、スイベルケース9により船外推進装置は上下動(チルト動)する。このスターンブラケット10を介して前記したように船体の船尾に船外推進装置を取り付ける。
A longitudinal drive shaft 6e passes through the bottom portion 6c of the under cover 3 and the mount case 7, and extends vertically through the upper part of the extension case 4 and the gear case 5. The gear mechanism in the gear box 5a provided in the middle portion of the gear case 5 by the drive shaft 6e. A propeller 8 that generates a propulsive force is coupled to the rear end portion of the shaft output shaft 5b driven by the gear mechanism 5c to constitute a propulsion unit.
A longitudinal recess 1a is provided on the front side of the outboard propulsion apparatus 1, and the recess 1a is provided over the lower half of the front portion of the under cover 3 and the front portion of the extension case 4. The swivel case 9 and the stern bracket 10 are provided in the recess. The outboard propulsion device is moved up and down (tilted) by the swivel shaft 9. The outboard propulsion device is attached to the stern of the hull through the stern bracket 10 as described above.

以上の船外推進装置1の下部で、プロペラ8の上方には、該プロペラ8と離間し、アンチキャビテーションプレート11をプロペラの前方から後方にかけて、且つ両側方に、フランジ状に突出するように設ける。アンチキャビテーションプレート11は、プロペラ8の上方にかかるように設けられている。
前記アンチキャビテーションプレート11の上方には、離間してアンチスプラッシュプレート12を設け、アンチスプラッシュプレート12は船外推進装置1の前後方向の前部から中間部の両側方にフランジ状に突出するように設ける。
In the lower part of the outboard propulsion apparatus 1 above the propeller 8, the propeller 8 is separated from the propeller 8, and an anti-cavitation plate 11 is provided so as to protrude in a flange shape from the front to the rear of the propeller and on both sides. . The anti-cavitation plate 11 is provided so as to be over the propeller 8.
An anti-splash plate 12 is provided above the anti-cavitation plate 11 so as to be spaced apart, and the anti-splash plate 12 protrudes in a flange shape from the front portion in the front-rear direction of the outboard propulsion device 1 to both sides of the intermediate portion. Provide.

実施例では、アンチキャビテーションプレート11はギアケース5の上端近傍、アンチスプラッシュプレート12はギヤケース5上方のエクステンションケース4の下部に設けた。
尚図面中13はシフトロッドであって、アンダーカバー3、ロアユニット4を縦通し、ギヤケース5内のギヤ機構5caクラッチ体に係合している。
In the embodiment, the anti-cavitation plate 11 is provided near the upper end of the gear case 5, and the anti-splash plate 12 is provided below the extension case 4 above the gear case 5.
In the drawing, reference numeral 13 denotes a shift rod which passes through the under cover 3 and the lower unit 4 and engages with a gear mechanism 5ca clutch body in the gear case 5.

以上の船外推進装置1に揚力発生板20を設ける。
揚力発生板20の船外推進装置1への取付状態は、図1の船外推進装置の外観側面図に示す通りで、揚力発生板20の単体は図2及び図3に示す通りである。
図2は、揚力発生板20の本体部分の斜視図、図3は、図2の3−3線の断面図、図4は平面図で、船外推進装置1への取り付けの一例を示している図である。
The outboard propulsion device 1 is provided with a lift generating plate 20.
The state of attachment of the lift generating plate 20 to the outboard propulsion device 1 is as shown in the external side view of the outboard propulsion device in FIG. 1, and the single unit of the lift generating plate 20 is as shown in FIGS.
2 is a perspective view of the main body portion of the lift generating plate 20, FIG. 3 is a sectional view taken along line 3-3 of FIG. 2, and FIG. 4 is a plan view showing an example of attachment to the outboard propulsion device 1. It is a figure.

揚力発生板20は、左右方向に延びる前後方向に少し長さのある板状本体21を備える。板状本体21は左右方向の長さが大きい。例えば、500mm位の幅と300mm位の長さである。
板状本体21の左右方向の長さは、図5に示すように船外推進装置1のロアハウジング4の左右方向の幅よりも十分に大きい。
実施例では図3の断面図で示すように、断面が後端部21aが薄くて先細りであり、中間部21c〜前寄り部21dにかけて厚手の翼状の断面をなし、前端部21bが薄くなっており、実施例では前端部21b近傍は後端部21a近傍よりも厚手である。
板状本体21の上面21eは、上方に緩やかな凸状の湾曲面を構成し、下面21fは後半部が上方に若干潜り、前半部が下方に緩やかに凸出している。
The lift generating plate 20 includes a plate-like main body 21 having a length in the front-rear direction that extends in the left-right direction. The plate-shaped main body 21 has a large length in the left-right direction. For example, the width is about 500 mm and the length is about 300 mm.
The length of the plate-shaped main body 21 in the left-right direction is sufficiently larger than the width in the left-right direction of the lower housing 4 of the outboard propulsion device 1 as shown in FIG.
In the embodiment, as shown in the sectional view of FIG. 3, the rear end portion 21a is thin and tapered, and a thick wing-shaped cross section is formed from the intermediate portion 21c to the front portion 21d, and the front end portion 21b is thinned. In the embodiment, the vicinity of the front end portion 21b is thicker than the vicinity of the rear end portion 21a.
The upper surface 21e of the plate-shaped main body 21 constitutes a gently convex curved surface upward, and the lower surface 21f slightly hangs upward in the rear half and gently protrudes in the lower half of the front half.

以上の揚力発生板20の板状本体21は、後端部21aが下位で、先端部21bが上位であり、全体として後下傾して配置されている。
以上の板状本体21の両端部21g,21gには翼端板(側端板)22,22を固着し、翼端板22,22は面積が大きい板状体からなり、実施例では、側面視が角の丸い三角形に類似した形状である。
翼端板22,22は縦向きに取り付けられ、板状本体21の両端部21g,21gの面に対して直角に起立するように取り付けられている。
The plate-like main body 21 of the lift generating plate 20 described above has the rear end portion 21a at the lower position and the tip end portion 21b at the upper position, and is disposed so as to be inclined rearward as a whole.
Blade end plates (side end plates) 22, 22 are fixed to both end portions 21 g, 21 g of the plate-like main body 21, and the blade end plates 22, 22 are formed of a plate-like body having a large area. The shape is similar to a triangle with rounded corners.
The wing end plates 22 and 22 are attached vertically and are attached so as to stand upright at right angles to the surfaces of both end portions 21g and 21g of the plate-like main body 21.

翼端板22,22は、実施例では板状本体21の後下方への傾斜に倣って後下傾した状態で両端部21g,21gに取り付けられている。
翼端板22,22の前後の端縁部22a,22bは、板状本体21の前後の端縁部21b,21aよりも若干前後方向に突出している。
翼端板22,22は前後方向を向き、平行に配置されている。
In the embodiment, the blade end plates 22 and 22 are attached to both end portions 21g and 21g in a state in which the blade main body 21 is inclined backward and downward following the inclination of the plate-like main body 21 downward.
The front and rear edge portions 22 a and 22 b of the blade end plates 22 and 22 protrude slightly in the front-rear direction from the front and rear edge portions 21 b and 21 a of the plate-like main body 21.
The blade end plates 22 are oriented in parallel in the front-rear direction.

揚力発生板20は、左右の取付ステー23,23で支持されている。左右の取付ステー23,23は前後方向に長い厚手の細長い板状体からなる。
取付ステー23,23は、図1に示す如く側面視が鈍角な略L字形をなし、後上傾する各後半部23bの各上端縁23cが板状本体21の下面21fの左右に固着、一体化される。
取付ステー23,23の固着する上端縁23c,23cは、翼端板22,22の内側面22c,22cから所定間隔を開けた部分であり、左右の取付ステー23,23は、左右方向に所定間隔離間しており、左右の取付ステー23,23は平行して配置されており、前後方向を向いて延出されている。
左右の取付ステー23,23の各前半部23aは前後方向に延びて略直線状であり、概ね水平方向に延びており、各前半部23aの内側に前後方向に長さを有する厚手の素材から成る取付ブラケット24,24を固着する。
The lift generating plate 20 is supported by left and right mounting stays 23, 23. The left and right mounting stays 23, 23 are made of thick, long and thin plate-like bodies that are long in the front-rear direction.
As shown in FIG. 1, the mounting stays 23, 23 are substantially L-shaped with an obtuse side view, and the upper end edges 23c of the rear half portions 23b tilted rearward and upward are fixed to the left and right sides of the lower surface 21f of the plate-like main body 21. It becomes.
The upper edges 23c and 23c to which the mounting stays 23 and 23 are fixed are portions spaced from the inner side surfaces 22c and 22c of the blade end plates 22 and 22, and the left and right mounting stays 23 and 23 are predetermined in the left-right direction. The left and right mounting stays 23, 23 are arranged in parallel and are extended in the front-rear direction.
Each of the front half portions 23a of the left and right mounting stays 23, 23 extends in the front-rear direction and is substantially linear, extends substantially horizontally, and is made of a thick material having a length in the front-rear direction inside each front half portion 23a. The mounting brackets 24, 24 are fixed.

取付ブラケット24,24は、上下方向が短く、前後方向が長い側面視では直線状をなす。
また、取付ブラケット24,24は、平面視においては、図4に示すように前後方向中間部24aが左右対称に内側に屈曲し、内側面には、船外推進装置1のロアユニット4の両側部への取付ボス部25,25を前後に離間して夫々突設しており、左右対称形状をなす。
各取付ブラケット24,24の後端部24b及び前部24cは平坦面とし、前記した取付ステー23,23の後半部23bの下部及び前半部23aの前部にボルト26…(…は複数を表す。以下同じ)等で固着し、揚力発生板20を後端部に取付支持した取付ステー23,23と取付ブラケット24,24とを一体的に結合した。
The mounting brackets 24, 24 are linear in a side view with a short vertical direction and a long front-back direction.
Further, in the plan view, the mounting brackets 24, 24 are bent inwardly in the front-rear direction intermediate portion 24 a as shown in FIG. 4, and are arranged on both sides of the lower unit 4 of the outboard propulsion device 1 on the inner side surface. The mounting bosses 25 and 25 are protruded apart from each other in the front-rear direction to form a symmetrical shape.
The rear end portions 24b and the front portions 24c of the mounting brackets 24, 24 are flat surfaces, and the bolts 26 (... are plural in the lower portion of the rear half portion 23b of the mounting stays 23, 23 and the front portion of the front half portion 23a. The mounting stays 23, 23 and the mounting brackets 24, 24, which are fixedly attached to each other and attached to the rear end portion, are integrally coupled.

取付ブラケット24,24は、例えば船外推進装置1のロアユニット4の後半部の外側面に、取付ボス部25,25を介してボルト26…等で固着して一体化的に結合する。
また、実施例では取付ブラケット24,24の各前端部24dをロアユニット4の両側部に突設したボス部4a,4aにボルト26,26等を介して固着する。
以上により、船外推進装置1の下半部のロアユニット4の後部に後方に突出するように揚力発生板20を取付、支持する。
The mounting brackets 24, 24 are fixedly coupled to the outer surface of the rear half portion of the lower unit 4 of the outboard propulsion apparatus 1 with bolts 26, etc. via the mounting boss portions 25, 25, for example.
Further, in the embodiment, the front end portions 24d of the mounting brackets 24, 24 are fixed to the boss portions 4a, 4a projecting on both side portions of the lower unit 4 through bolts 26, 26 and the like.
As described above, the lift generating plate 20 is attached and supported so as to protrude rearward from the rear portion of the lower unit 4 in the lower half of the outboard propulsion device 1.

揚力発生板20の船外推進装置1への取り付けであるが、上記した構造に限られず任意であり、また、実施例では取付ブラケットを介して揚力発生装置の取付ステーを船外推進装置に取付支持したが、取付ブラケットを兼ねる取付ステーを船外機側から後方に、一体或いは一体的に突設し、船外推進装置後方に突設した取付ステーに揚力発生装置を取り付けても良い。   The attachment of the lift generating plate 20 to the outboard propulsion device 1 is not limited to the above-described structure, and is optional, and in the embodiment, the attachment stay of the lift generating device is attached to the outboard propulsion device via a mounting bracket. Although supported, a mounting stay that also serves as a mounting bracket may be integrally or integrally protruded rearward from the outboard motor side, and the lift generating device may be attached to the mounting stay protruding rearward of the outboard propulsion device.

以上において、揚力発生板20であるが、図1に示した通り、船外推進装置1のロアユニット4の後方に揚力発生板20が位置し、具体的には、ロアユニット4の後縁4bの後方に板状本体21の前縁部25が離間して位置し、また、翼端板27の前縁部27aが位置する。
また、揚力発生板20は、船外推進装置1の前記したアンチキャビテーションプレート11よりも上方に位置し、即ち、板状本体21、翼端板22はアンチキャビテーションプレート11よりも上方に位置する。
尚、図面中14は、スイベルケースを船外推進装置1側の弾性的に支持するラバーブッシュ取付部を覆う化粧カバーである。
In the above description, the lift generating plate 20 is located at the rear of the lower unit 4 of the outboard propulsion apparatus 1 as shown in FIG. 1, and specifically, the rear edge 4 b of the lower unit 4. The front edge portion 25 of the plate-like main body 21 is positioned behind the front edge portion 27, and the front edge portion 27 a of the blade end plate 27 is positioned.
Further, the lift generating plate 20 is located above the anti-cavitation plate 11 of the outboard propulsion device 1, that is, the plate-like main body 21 and the blade end plate 22 are located above the anti-cavitation plate 11.
In the drawings, reference numeral 14 denotes a decorative cover that covers a rubber bush mounting portion that elastically supports the swivel case on the outboard propulsion device 1 side.

以上においては、停船時においては船外推進装置1を取り付けた船体は、船尾が重く、船外推進装置1のロアユニット4を含む下半部は水没しており、ロアユニット4の後方に配設した前記揚力発生板20も略々水平か、若干後下方に傾斜して水没している。水面を図1の鎖線Aで示した。
船外推進装置1の運転、駆動によりプロペラ8は回転し推進するが、船外推進装置1の加速の開始直後においては、更に後部が下がり鎖線Bの状態となる。
加速の継続により、揚力発生板20を構成する板状本体21の抗力で、船外推進装置1を含む船尾は持ち上げられる。
In the above, the hull to which the outboard propulsion device 1 is attached has a heavy stern when the ship is stopped, and the lower half including the lower unit 4 of the outboard propulsion device 1 is submerged. The provided lift generating plate 20 is also substantially horizontal or slightly inclined downward and submerged. The water surface is indicated by a chain line A in FIG.
The propeller 8 is rotated and propelled by the operation and driving of the outboard propulsion device 1, but immediately after the start of the acceleration of the outboard propulsion device 1, the rear part is further lowered to a chain line B state.
By continuing the acceleration, the stern including the outboard propulsion device 1 is lifted by the drag of the plate-like main body 21 constituting the lift generating plate 20.

滑走状態では、水面は鎖線Cで示した通りアンチキャビテーションプレート11の位置となり、この際、揚力発生板20はアンチキャビテーションプレート11の上方に位置するので、滑走状態では水上に露出し、水の抗力を受けることが無く、高速での滑走を行うことができる。   In the sliding state, the water surface is at the position of the anti-cavitation plate 11 as indicated by the chain line C. At this time, the lift generating plate 20 is located above the anti-cavitation plate 11, so that in the sliding state, the water surface is exposed to the water, And can run at high speed.

ところで、板状本体(揚力発生板)21が水没した状態で滑走を開始すると、板状本体21には大きな抗力が作用し、取付ステー23,23の支持部の外側は切り離された端部なので、抗力により波打ち、バタつく虞がある。
本発明では、揚力発生板を構成する板状本体21の両端部に翼端板22,22が縦向きに設けられているので、板状本体21全体、特にその両端部の剛性は著しく高くなる。中間部は取付ステーで支持されている。
従って、板状体で構成される揚力発生板の剛性が向上し、滑走の開始時における船外推進装置の上方への持ち上げ作用に際し、揚力発生板に作用する抗力に対して十分の剛性を確保し、前記した通り揚力発生板の端部がバタつく等の事態を防止し、船外推進装置の持ち上げ作用を円滑、確実に行わせることができる。
以上を揚力発生板の両端部に縦向きに翼端板を設けるという簡素な構造で実現することができる。
By the way, if the board-like main body (lift generating board) 21 starts to be submerged, a large drag acts on the plate-like main body 21 and the outer sides of the support portions of the mounting stays 23 and 23 are separated ends. There is a risk of undulation and fluttering due to drag.
In the present invention, since the blade end plates 22 and 22 are provided vertically at both ends of the plate-like main body 21 constituting the lift generating plate, the rigidity of the entire plate-like main body 21, particularly both ends thereof, is remarkably increased. . The intermediate part is supported by a mounting stay.
Therefore, the rigidity of the lift generating plate composed of a plate-like body is improved, and sufficient rigidity is secured against the drag acting on the lift generating plate when the outboard propulsion device is lifted upward at the start of sliding. As described above, the end of the lift generating plate can be prevented from fluttering and the outboard propulsion device can be lifted smoothly and reliably.
The above can be realized with a simple structure in which blade end plates are provided vertically at both ends of the lift generating plate.

図5〜図7は、本発明の他の実施の形態を示す図で、図5は、船舶推進装置1の全体の側面図、図6は、揚力発生板の斜視図、図7は図6の7−7線断面図である。
図5においては、揚力発生板の構造以外の船外推進装置1の構造は図1と同様なので、同一部分に同一符号を付し、詳細な説明は省略する。
5 to 7 are views showing other embodiments of the present invention. FIG. 5 is a side view of the entire vessel propulsion apparatus 1, FIG. 6 is a perspective view of a lift generating plate, and FIG. FIG. 7 is a sectional view taken along line 7-7.
In FIG. 5, since the structure of the outboard propulsion apparatus 1 other than the structure of the lift generating plate is the same as that of FIG. 1, the same reference numerals are given to the same portions, and detailed description thereof is omitted.

揚力発生板120は、上下2枚の板状本体121,126を有する。上下の板状本体121,126は、左右方向に長さを有する。その長さは、前記したと同様に船外推進装置1の左右の幅よりも十分に大きい。各板状本体21,22の左右方向に長さは、同じである。例えば、500mmの幅である。
上側板状本体121は、実施例では、図3に示すように前後方向に長さが大きく、後端縁121a、前端縁121bが夫々尖り、後半部が厚手であり、前半部が薄手であり、縦断側面の前部が上位であり、後部が下位であって、後下傾し、上面が下向きに湾曲し、下面の前半部の下面が上方に潜った湾曲面をなし、縦断側面が翼断面形状をなす。例えば、200mm〜250mmの長さである。
The lift generating plate 120 has two upper and lower plate-like bodies 121 and 126. The upper and lower plate-shaped main bodies 121 and 126 have a length in the left-right direction. The length is sufficiently larger than the left and right widths of the outboard propulsion device 1 as described above. The lengths of the plate-like main bodies 21 and 22 in the left-right direction are the same. For example, the width is 500 mm.
In the embodiment, as shown in FIG. 3, the upper plate-shaped main body 121 is long in the front-rear direction, the rear end edge 121a and the front end edge 121b are pointed, the rear half is thick, and the front half is thin. The front side of the longitudinal side is the upper part, the rear part is the lower part, the rear side is inclined downward, the upper surface is curved downward, the lower surface of the front half of the lower surface is curved upward, and the longitudinal side surface is the wing It has a cross-sectional shape. For example, the length is 200 mm to 250 mm.

下側板状本体126は、上側板状本体121に比較し前後方向の長さが短く、上側板状本体121の後部〜後端縁121aの下方に離間して前端部126bを含む前部が臨む。後端縁126a、前端縁126bは夫々尖り、前半部が厚手であり、後半部が薄手であり、縦断側面の前部が上位であり、後部が下位であって、後下傾し、上面が下向きに湾曲し、下面の前半部の下面が若干上方に潜った湾曲面をなし、縦断側面が上側板状本体と同様に翼断面形状をなす。
下側板状本体126は、後半部が上側板状本体121の後部の下方に離間して位置する。例えば、100mmの長さである。
The lower plate-shaped main body 126 has a shorter length in the front-rear direction than the upper plate-shaped main body 121, and is spaced below the rear portion to the rear end edge 121a of the upper plate-shaped main body 121 and the front portion including the front end portion 126b faces. . The rear edge 126a and the front edge 126b are each sharp, the front half is thick, the rear half is thin, the front side of the longitudinal side is upper, the rear is lower, the rear is inclined downward, and the upper surface is Curved downward, the lower surface of the front half of the lower surface is slightly curved upward, and the longitudinal side surface has a blade cross-sectional shape like the upper plate-shaped main body.
The lower plate-shaped main body 126 is positioned such that the latter half is spaced below the rear portion of the upper plate-shaped main body 121. For example, the length is 100 mm.

上側板状本体121及び下側板状本体126の左右両端部121g,121g,126g,126gには翼端板122,122を固着する。左右の翼端板122,122は面積が大きい板状本体からなる。実施例では、側面視で後端縁が概ね鉛直な直線状で、全体としては角の丸い三角形に類似した形状である。
翼端板122,122は上下の板状本体121,126に倣って後下傾した状態で夫々の両端部121g,121g,126g,126gに取り付けられている。
The blade end plates 122, 122 are fixed to the left and right end portions 121g, 121g, 126g, 126g of the upper plate-shaped main body 121 and the lower plate-shaped main body 126, respectively. The left and right blade end plates 122, 122 are formed of plate-shaped main bodies having a large area. In the embodiment, the rear end edge is a substantially straight line shape in a side view, and the shape is similar to a triangle with rounded corners as a whole.
The blade end plates 122, 122 are attached to the respective end portions 121g, 121g, 126g, 126g in a state where they are inclined downwardly following the upper and lower plate-like main bodies 121, 126.

翼端板122の前後の端縁部122bは上下の板状本体121の前後の端縁部121b,121bよりも若干前後方向に突出している。
翼端板122の前後の端縁部122aは上下の板状本体126の前後の端縁部126a、126bよりも若干前後方向に突出している。
以上の翼端板122,122は前後方向を向き、平行に配置され、板状本体121,126の面に対して直角に、縦向きに配設されている。
この翼端板122,122により、上下の板状本体21,126は、上下、且つ前後に離間した状態で、一体的に保持されることとなる。
The front and rear edge portions 122b of the blade end plate 122 protrude slightly in the front-rear direction from the front and rear edge portions 121b and 121b of the upper and lower plate-like main bodies 121.
The front and rear edge portions 122a of the wing end plate 122 slightly protrude in the front-rear direction from the front and rear edge portions 126a and 126b of the upper and lower plate-like bodies 126.
The blade end plates 122 and 122 are arranged in parallel in the front-rear direction, and are disposed vertically and perpendicular to the surfaces of the plate-like main bodies 121 and 126.
By the blade end plates 122, 122, the upper and lower plate bodies 21, 126 are integrally held in a state where they are separated from each other in the vertical direction and in the front-rear direction.

揚力発生板120を構成する上下の板状本体121,126は、その前端縁121b,126bが前後、上下に離間して位置し、且つその後端縁121a,126aが前後、上下に離間して位置することとなる。
揚力発生板20は、左右の取付ステー23,23で、前記した通り支持されており、取付ステー23は取付ブラケットを介して船外推進装置1のロアユニットに取付、支持されている。
The upper and lower plate-like main bodies 121 and 126 constituting the lift generating plate 120 are positioned such that their front end edges 121b and 126b are spaced apart from each other in the front and rear direction, and their rear end edges 121a and 126a are spaced from each other in the front and rear direction. Will be.
The lift generating plate 20 is supported by the left and right mounting stays 23 and 23 as described above, and the mounting stay 23 is mounted and supported on the lower unit of the outboard propulsion device 1 via the mounting bracket.

以上においては、複数(実施例では二枚)の揚力発生板の左右両端部に、縦向きに翼端板を設けたので、複数の板状体で構成される揚力発生板端部相互の取付、支持剛性が向上する。
このため、滑走の開始時における船外推進装置の上方への持ち上げ作用に際し、複数(二枚)の揚力発生板に作用する抗力に対し、双方の両端部を翼端板で一体化し、複数の揚力発生板の剛性を十分に確保することができる。
In the above, since the wing end plates are provided vertically on the left and right ends of a plurality of (two in the embodiment) lift generating plates, the lift generating plate ends constituted by a plurality of plate-like bodies are attached to each other. , Support rigidity is improved.
For this reason, when lifting up the outboard propulsion device at the start of gliding, both ends are integrated with the wing end plate against the drag acting on a plurality of (two) lift generating plates. Sufficient rigidity of the lift generating plate can be secured.

従って、揚力発生板の端部がバタつく等の事態を防止し、船外推進装置の持ち上げ作用を円滑、確実に行わせることができ、以上を揚力発生板の両端部に縦向きに翼端板を設けるという簡素な構造で実現することができる。
また、複数の揚力発生板により、滑走開始時における船外推進装置のリフトアップ効果が複数の揚力発生板で相乗的に向上し、滑走開始時の船外推進装置のリフトアップ効果の高い揚力発生装置の小型化を図ることができるとともに、揚力発生板の後方へのオーバーハング量を小さくすることができ、この点からも小型化を図ることができることが理解できる。
Therefore, it is possible to prevent the end of the lift generating plate from fluttering and the like, and to make the outboard propulsion device lift up smoothly and reliably. This can be realized with a simple structure of providing a plate.
In addition, the lift-up effect of the outboard propulsion device at the start of sliding is synergistically improved by the multiple lift-generating plates, and the lift generation of the outboard propulsion device at the start of sliding is high. It can be understood that the apparatus can be reduced in size, and the amount of overhang to the rear of the lift generating plate can be reduced.

図8及び図9は、図5〜図7の実施例の変更実施例を示す図で、図8は斜視図、図9は図8の9−9線の断面図である。
揚力発生板220は、本実施例では三枚の板状本体を備える。左右の翼端板322,322間の後半部間に、上下に離間して同一、或いは類似形状の前後方向長さが短い後部板状本体321,326がこの間に架設されるように上下に離間して備える。板状本体321,326は前記と同様に翼状断面をなす。
8 and 9 are views showing a modified embodiment of the embodiment shown in FIGS. 5 to 7, FIG. 8 is a perspective view, and FIG. 9 is a sectional view taken along line 9-9 of FIG.
The lift generating plate 220 includes three plate-like main bodies in this embodiment. The rear plate-like main bodies 321 and 326 of the same or similar shape with a short length in the front-rear direction are spaced apart vertically between the rear half portions between the left and right blade end plates 322 and 322 so as to be installed between them. Prepare. The plate-like main bodies 321 and 326 have a wing-like cross section as described above.

上下に離間して配置された前後方向の長さが短い後部板状本体221,226の前方に前部板状本体227が配設されている。前部板状本体227は前後方向が長い翼状断面を有し、翼端板322,322の長さは、実施例では、前部近傍から前後方向の中間後部までの長さを有する。
後部の上下の板状本体221,226の前端部は、上下方向においてこの中間部に位置する前部板状本体227の後端部よりも少し前方に位置している。
A front plate-like main body 227 is disposed in front of the rear plate-like main bodies 221 and 226 that are spaced apart in the vertical direction and have a short length in the front-rear direction. The front plate-like main body 227 has a wing-like cross section that is long in the front-rear direction, and the length of the wing end plates 322, 322 has a length from the vicinity of the front part to the middle rear part in the front-rear direction in the embodiment.
The front end portions of the upper and lower plate-shaped main bodies 221 and 226 at the rear portion are located slightly ahead of the rear end portion of the front plate-shaped main body 227 located at the intermediate portion in the vertical direction.

取付ステー23,23は、基本形状が前記と同様に鈍角に曲がり、側面視略L形の平行する二枚の板状部材からなり、各取付ステー23の後部には側面視L形の棚部23f及び起立部23eを有する。
この棚部23fに前部板状本体227の下面を固着し、起立部23eの上下端縁部のうちの上部端縁部に、後部板状本体の上側の板状本体221の下面を固着し、下部端縁部に後部板状本体の下側の板状本体226の上面を固着する。
The mounting stays 23, 23 are formed of two parallel plate-like members whose basic shapes are bent at an obtuse angle as described above, and are substantially L-shaped in side view, and at the rear of each mounting stay 23 are L-shaped shelf portions in side view. 23f and upright portion 23e.
The lower surface of the front plate-shaped main body 227 is fixed to the shelf 23f, and the lower surface of the plate-shaped main body 221 on the upper side of the rear plate-shaped main body is fixed to the upper edge of the upper and lower ends of the upright portion 23e. The upper surface of the lower plate-like body 226 is fixed to the lower edge portion.

以上により、長さの異なる三枚の揚力発生板を備える揚力発生装置を構成する。
本実施例では、後部の揚力発生板の上の面と下の面及び前部の揚力発生板とで走り始めの低速域での揚力が大きく得られ、船艇の姿勢補正が早い段階から行うことができ、下の面が喫水下に有る限り揚力が得られ、短時間で補正が行われることとなる。
As described above, the lift generating device including three lift generating plates having different lengths is configured.
In this embodiment, the upper surface and the lower surface of the rear lift generating plate and the front lift generating plate can obtain a large lift in the low speed range where the vehicle starts running, and the posture correction of the boat is performed from an early stage. As long as the lower surface is under draft, lift is obtained and correction is performed in a short time.

本実施例においても、複数(三枚)の揚力発生板の左右両端部に、縦向きに翼端板を設けたので、三枚の板状体で構成される揚力発生板端部相互の取付、支持剛性が向上する。
このため、滑走の開始時における船外推進装置の上方への持ち上げ作用に際し、三枚の揚力発生板に作用する抗力に対し、夫々の両端部を翼端板で一体化し、三枚の揚力発生板の剛性を十分に確保することができる。
Also in this embodiment, since the blade end plates are provided vertically on both left and right ends of a plurality of (three) lift generating plates, the lift generating plate end portions constituted by three plate bodies are attached to each other. , Support rigidity is improved.
For this reason, when lifting up the outboard propulsion device at the start of sliding, both ends are integrated with the wing end plate against the drag acting on the three lift generating plates, and three lifts are generated. Sufficient rigidity of the plate can be ensured.

従って、揚力発生板の端部がバタつく等の事態を防止し、船外推進装置の持ち上げ作用を円滑、確実に行わせることができ、以上を揚力発生板の両端部に縦向きに翼端板を設けるという簡素な構造で実現することができる。
また、複数の揚力発生板により、滑走開始時における船外推進装置のリフトアップ効果が複数の揚力発生板で相乗的に向上し、滑走開始時の船外推進装置のリフトアップ効果の高い揚力発生装置の小型化を図ることができるとともに、揚力発生板の後方へのオーバーハング量を小さくすることができ、この点からも小型化を図ることができることが理解できる。
Therefore, it is possible to prevent the end of the lift generating plate from fluttering and the like, and to make the outboard propulsion device lift up smoothly and reliably. This can be realized with a simple structure of providing a plate.
In addition, the lift-up effect of the outboard propulsion device at the start of sliding is synergistically improved by the multiple lift-generating plates, and the lift generation of the outboard propulsion device at the start of sliding is high. It can be understood that the apparatus can be reduced in size, and the amount of overhang to the rear of the lift generating plate can be reduced.

尚、本実施の形態では、揚力発生板を構成する板状本体を翼状断面としたが、断面形状は翼状断面に限られず任意であり、例えば、板状本体の断面はフラットな板状体でも良い。   In the present embodiment, the plate-shaped main body constituting the lift generating plate has a wing-shaped cross section, but the cross-sectional shape is not limited to the wing-shaped cross section, and for example, the cross-section of the plate-shaped main body may be a flat plate-shaped body. good.

本発明に係る船外推進装置は、船艇の船尾の取り付けるに好適である。   The outboard propulsion apparatus according to the present invention is suitable for mounting a stern of a boat.

本発明の第1の実施の形態に係る船舶駆動装置の側面図である。It is a side view of the ship drive device concerning a 1st embodiment of the present invention. 揚力発生板の本体部分の斜視図である。It is a perspective view of the main-body part of a lift generation board. 図2の3−3線断面図である。FIG. 3 is a sectional view taken along line 3-3 in FIG. 2. 平面図で、船外推進装置1への取り付けの一例を示している図である。FIG. 3 is a plan view showing an example of attachment to the outboard propulsion device 1. 本発明の他の実施の形態を示す図で、船舶推進装置の全体を示す側面図である。It is a figure which shows other embodiment of this invention, and is a side view which shows the whole ship propulsion apparatus. 揚力発生板の斜視図である。It is a perspective view of a lift generation board. 図6の7−7線断面図である。FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6. 図5〜図7の実施例の変更実施例の斜視図である。FIG. 8 is a perspective view of a modified embodiment of the embodiment of FIGS. 図8の9−9線断面図である。FIG. 9 is a sectional view taken along line 9-9 in FIG. 8.

符号の説明Explanation of symbols

1…船外推進装置、 4…ロアユニットであるエクステンションケース、 11…アンチキャビテーションプレート、 20,120,220…揚力発生板、 21,121,126,221,226,227…揚力発生板を構成する板状本体、 22,122,222…翼端板。   DESCRIPTION OF SYMBOLS 1 ... Outboard propulsion apparatus, 4 ... Extension case which is a lower unit, 11 ... Anti-cavitation plate, 20, 120, 220 ... Lift generating plate, 21, 121, 126, 221, 226, 227 ... Lift generating plate Plate-shaped main body, 22, 122, 222.

Claims (2)

船体の後尾に取り付けられる船外推進装置において、
前記船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、
前記揚力発生板の左右両端部に縦向きに翼端板を設けた、
ことを特徴とする船外推進装置。
In the outboard propulsion device attached to the tail of the hull,
A lift generating plate whose front edge is located behind the lower edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and above the anti-cavitation plate provided in the lower unit;
A wing tip plate is provided vertically on both left and right ends of the lift generating plate,
An outboard propulsion device characterized by that.
船体の後尾に取り付けられる船外推進装置において、
前記船外推進装置のロアユニットの後縁よりも後方に前縁が位置する揚力発生板を、ロアユニットの後方且つロアユニットに設けたアンチキャビテーションプレートよりも上方に配置し、
前記揚力発生板の左右両端部に縦向きに翼端板を設けた、
ことを特徴とする船外推進装置。
In the outboard propulsion device attached to the tail of the hull,
A lift generating plate whose front edge is located behind the lower edge of the lower unit of the outboard propulsion device is arranged behind the lower unit and above the anti-cavitation plate provided in the lower unit;
A wing tip plate is provided vertically on both left and right ends of the lift generating plate,
An outboard propulsion device characterized by that.
JP2007017188A 2007-01-26 2007-01-26 Outboard propulsion system Expired - Fee Related JP5016932B2 (en)

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JP2007017188A JP5016932B2 (en) 2007-01-26 2007-01-26 Outboard propulsion system
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59130799A (en) * 1983-01-18 1984-07-27 Yanmar Diesel Engine Co Ltd Outboard motor equipped with buoyancy plate
US5638765A (en) * 1991-10-07 1997-06-17 Poulos; John George Hydrofoil assembly for marine use, and method for mounting the same
US5645009A (en) * 1996-07-22 1997-07-08 Lexau; James R. Power boat trim augmentation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59130799A (en) * 1983-01-18 1984-07-27 Yanmar Diesel Engine Co Ltd Outboard motor equipped with buoyancy plate
US5638765A (en) * 1991-10-07 1997-06-17 Poulos; John George Hydrofoil assembly for marine use, and method for mounting the same
US5645009A (en) * 1996-07-22 1997-07-08 Lexau; James R. Power boat trim augmentation device

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