M254421 捌、新型說明 ^ (新型說明應敘明：新型所屬之技術領域、先則技術、內容、實施方式及圖式簡單說明) 【新型所屬之技術領域】 本創作係與船艇有關’特別是關於一種推進效率較佳 之動力式船艇。 5【先前技術】 如第四圖所示’一般常見之動力式船艇（9〇) ’包含有 一船身（91)、一引擎（92)、一動葉輪（93)以及一舵板（94); 引擎（92)係設於船身（91)内部’且驅轉一傳動轴（96);傳 動軸（96)係穿出船身（91)之底側’而動葉輪（93)設於傳動 10 軸（96)之末端，舵板（94)則設於動葉輪（93)之外側，可相 對於船身（91)左右偏轉；當引擎（92)帶動傳動軸（96)使動 葉輪（93)在水中旋轉時，即可產生推進力使船身（91)前 進，並且藉由偏轉之舵板（94)控制船身（91)轉向。 然而，由於上述傳動轴（96)之軸向係與船身（91)之前 15後軸向呈向下8°〜15。的傾斜角度，使傳動軸（96)必須具 有較長之長度才能伸入水中，造成位於傳動軸（96)末端之 動葉輪（93)係呈傾斜狀且吃水深度較深，使得船艇（g〇)在 航行時，經由動葉輪（93)旋轉所產生之有效推進分力較小 且推進效率較低；另外，上述之動葉輪（93)旋轉時容易於 20船身⑽後方形成渦流（V〇rtex)，使船艇難以操控；而動 葉輪（93)及舱板（94)構件係皆外露於船身（91)底部外側， 容易在船艇航行時碰撞到外物，或是旋轉時與外物糾纏在 一起而造成損壞。 -4- M254421 _ 新型說明書 【新型内容】 本創作之主要目的即在提供一種動力式船艇，其傳動 軸之傾斜角度較小，使得船艇之推進效率較高。 本創作之另一目的乃在提供一種動力式船艇，其組成 5 構件較不易損壞。 為達成前揭目的，本創作之動力式船艇，包含有：一 船身，係呈殼體，具有一船底以及一船尾；該船身於該船 底具有至少一呈凹陷狀之通道；該通道係沿該船身之前後 向自該船底朝該船尾延伸；一驅動裝置，具有一設於該船 10 身内部之引擎以及一受該引擎驅轉之傳動軸，該傳動軸之 末端係自該船身内部穿經該通道而朝該船尾延伸；一導流 裝置，具有一導流罩、一動葉輪、一靜葉輪以及一舵板； 該導流罩係呈圓筒狀，以同軸於該傳動軸之方式設於該通 道靠近該船尾之一端；該靜葉輪及該動葉輪皆設於該導流 15 罩内，且該動葉輪受該傳動軸驅轉，而該舵板則樞設於該 導流罩後端。 【實施方式】 茲配合圖式舉一較佳實施例對本創作之結構及功能作 20 詳細說明，其中所用圖式先簡要說明如下： 第一圖係本創作第一較佳實施例之局部側視圖； 第二圖係本創作第一較佳實施例之後視圖；以及 第三圖係本創作第二較佳實施例之後視圖。 請參閱第一及第二圖，本創作一較佳實施例所提供之 M254421 _ 新型說明書，續頁 動力式船艇（ίο)，包含有·· 一船身（11)，係以強化玻璃纖維塑膠（FRP)或是鋁合金 材料所製成之殼體，具有一船底（12)以及一船尾（14)，船 身（11)於船底（12)中央靠近船尾（14)處具有一沿船身（11) 5 之前後向延伸的通道（16);通道（16)之斷面係呈半圓形， 使船底（10)於通道（16)位置之側壁係呈由下向上之凹陷 狀，且船底（12)於通道（16)尾端之側壁係高於船底（12)之 其他部分；船身（10)另於船尾（14)處具有一龍骨部（18)， 龍骨部（18)係凸出於船底（12)，用以增加船身（10)之操縱 1〇 穩定性。 一驅動裝置（20)，具有一引擎（22)以及一傳動軸 (24)，引擎（22)係設於船身（11)内部，用以提供推進動力， 而傳動軸（24)係自引擎（22)向外側延伸，且與船身（11)前 後軸向呈約5。〜"6。之傾斜角度穿過船底（12)經由通道 15 〇6)朝船尾（14)延伸。 一導流裝置（30)，具有一導流罩（32)、一靜葉輪（34)、 一動葉輪(36)以及一舵板（38);導流罩（32)係呈圓筒狀， 靜葉輪（34)係固設於導流罩（32)之一端，而舵板（38)樞設 於導流罩（32)之後端，動葉輪（36)則位於靜葉輪（34)及舵 20板（38)之間；其中，靜葉輪（34)及動葉輪（36)皆設有若干 具預定旋向之葉片（33)(37)，且二者係以葉片（33)(37)旋 向相反之方式同轴設於導流罩（32)内；導流罩（32)藉由若 干螺栓（39)以同轴於傳動軸（24)之方式，固設於船身（U) 之通道（16)靠近船尾（14)端，使得傳動軸（24)穿設於靜葉 -6- M254421 新型說明書，續頁 輪⑽中央之-橡膠轴承（圖中未示），a末端言曼於動葉輪 (36)中央’用以帶動動葉輪（36)旋轉。 以上即為本創作一較佳實施例所提供之結構。此外， 船身（11)之船尾（14)端另設有一連動機構（4〇)，連動機構 5 (4〇)係與船身（11)内部之操控系統連接，並連動於舵板 (38)頂端，用以控制舵板（38)之偏轉動作，惟此連動機構 (40)非本案創作重點，容不贅述。 藉由上述結構，當引擎（22)驅轉傳動轴（24)，進而帶 動動葉輪（36)旋轉時，船底（12)之水流即會自船身（11)之 10前方經由通道（16)吸至後方之導流罩（32)内，透過靜葉輪 (34)及動葉輪（36)之葉片（33)(37)導引而形成推進水流， 再由導流罩（32)之後端喷出，藉以推動船身（11)前進；若 控使舵板（38)之板面偏轉，則可改變推進水流的喷出方 向，進而改變船身（11)的前進方向。 15 與I用之動力式船艇相較下，本創作具有以下優點： 一、由於傳動轴（24)係呈5°〜6。之傾斜角度，使得 動葉輪（36)較呈直立狀且吃水較淺，使得經由動葉輪（36) 旋轉帶動’所形成之推進水流的有效推進分力較大，增加 推進效率。 20 二、當導流裝置（3〇)之動葉輪（36)旋轉時，水流係先 流入導流罩（32)内，經過靜葉輪（34)的葉片導引後再由動 葉輪（36)帶動，因此在船艉後方較不易產生渦流，即可提 升推進效率’以及增加船艇之操控性。 三、動葉輪（36)係設於導流罩（32)内部旋轉，較不易 M254421 新型說明書$賣頁 受到外物的勾纏而導致損壞；而且動葉輪（36)不會傷害到 位於船底附近之魚類、游泳者或是潛水人員，因而較適合 應用在救難工作船艇。 . 此外，本創作亦可依需要而改變所裝設導流裝置之位 5 置或是數量；請參閱第三圖所示，係本創作第二較佳實施 例之動力式船艇（60)，其主要組成構件與第一較佳實施例 大致相同，特點在於船身（61)之底部形成有二通道（62)， 係分設於船身（61)中央二側；而船身（61)於各通道（62)内 · 皆設有一導流裝置（63)，藉此本創作即可適用於需要較大 10 推進力之雙推進器式船艇。M254421 新型, new type description ^ (new type description should be stated: the technical field, prior art, content, implementation, and drawings of the new type are briefly explained) [technical field to which the new type belongs] This creation is related to boats', especially The invention relates to a power boat with better propulsion efficiency. 5 [Prior art] As shown in the fourth figure, the 'common power boat (90)' includes a hull (91), an engine (92), a moving impeller (93), and a rudder plate (94). The engine (92) is provided inside the hull (91) 'and drives a drive shaft (96); the drive shaft (96) passes through the bottom side of the hull (91)' and the moving impeller (93) is provided at The end of the 10 shaft (96) is driven, and the rudder plate (94) is located outside the moving impeller (93), which can deflect left and right relative to the hull (91); when the engine (92) drives the transmission shaft (96) to make the moving impeller (93) When rotating in the water, a propulsive force can be generated to advance the hull (91), and the steering of the hull (91) is controlled by the deflected rudder plate (94). However, since the axial direction of the above-mentioned transmission shaft (96) and the axial direction of the front and rear of the hull (91) are 15 ° to 15 ° downward. The inclination angle of the transmission shaft (96) must have a long length to extend into the water, causing the moving impeller (93) at the end of the transmission shaft (96) to be inclined and the draft to be deep, making the boat (g 〇) During sailing, the effective propulsion component force generated by the rotation of the moving impeller (93) is small and the propulsion efficiency is low; in addition, the above moving impeller (93) is easy to form a vortex behind the hull of the hull (V) when rotating (V 〇rtex), making the boat difficult to control; while the moving impeller (93) and the deck (94) are exposed outside the bottom of the hull (91), it is easy to collide with foreign objects when the boat is sailing, or when it is rotating Entangle with foreign objects and cause damage. -4- M254421 _ New Manual [New Content] The main purpose of this creation is to provide a powered boat with a smaller tilting angle of the drive shaft, which makes the boat's propulsion efficiency higher. Another purpose of this creation is to provide a powered boat whose components are less vulnerable to damage. In order to achieve the purpose of the previous disclosure, the power boat of this creation includes: a hull, which is a shell, has a bottom and a stern; the hull has at least one recessed channel on the bottom; the channel It extends from the bottom of the ship to the stern along the hull; a drive device has an engine located inside the 10 hull of the ship and a drive shaft driven by the engine, the end of the drive shaft is from the The inside of the hull passes through the passage and extends towards the stern; a deflector, which has a shroud, a moving impeller, a static impeller, and a rudder; the shroud is cylindrical and coaxial with the transmission The way of the shaft is set at one end of the passage near the stern; the stationary impeller and the moving impeller are both set in the guide 15 and the moving impeller is driven by the drive shaft, and the rudder plate is pivoted on the stern. Rear end of the shroud. [Embodiment] The structure and function of this creation will be described in detail with a preferred embodiment in conjunction with the drawings. The drawings used are briefly explained as follows: The first figure is a partial side view of the first preferred embodiment of the creation The second figure is a rear view of the first preferred embodiment of the present invention; and the third figure is a rear view of the second preferred embodiment of the present invention. Please refer to the first and second figures. The M254421 _ new type manual provided by a preferred embodiment of this creation, continuation page powered boat (ίο), contains a hull (11), which is made of reinforced glass fiber. The shell made of plastic (FRP) or aluminum alloy material has a bottom (12) and a stern (14). The hull (11) has a ship along the bottom of the stern (14) in the center of the bottom (12). The channel (16) extending forward and backward from the body (11) 5; the cross-section of the channel (16) is semi-circular, so that the side wall of the bottom of the ship (10) at the channel (16) is recessed from bottom to top, And the side wall of the ship bottom (12) at the aft end of the passage (16) is higher than the other parts of the ship bottom (12); the hull (10) has a keel part (18) and a keel part (18) at the stern (14). It protrudes from the bottom of the ship (12) to increase the stability of the hull (10). A driving device (20) has an engine (22) and a transmission shaft (24). The engine (22) is provided inside the hull (11) to provide propulsion power, and the transmission shaft (24) is from the engine (22) Extends to the outside and is approximately 5 to the front and rear axial direction of the hull (11). ~ &Quot; 6. The angle of inclination extends through the bottom of the ship (12) through the channel 15 (6) towards the stern (14). A deflector (30) has a deflector (32), a static impeller (34), a moving impeller (36), and a rudder plate (38); the deflector (32) is cylindrical, static The impeller (34) is fixed at one end of the shroud (32), and the rudder plate (38) is pivoted at the rear end of the shroud (32). The moving impeller (36) is located at the static impeller (34) and the rudder 20. Between the plate (38); among them, the stationary impeller (34) and the movable impeller (36) are provided with a plurality of blades (33) (37) with a predetermined rotation direction, and the two are rotated by the blades (33) (37). It is coaxially arranged in the shroud (32) in the opposite way; the shroud (32) is fixed to the hull (U) in a coaxial manner with the drive shaft (24) by a number of bolts (39). The channel (16) is close to the stern (14) end, so that the transmission shaft (24) runs through the static leaf-6- M254421 new instruction manual, the continuation of the center of the wheel-rubber bearing (not shown). The center of the impeller (36) is used to drive the impeller (36) to rotate. The above is the structure provided by a preferred embodiment of the present invention. In addition, the stern (14) end of the hull (11) is provided with a linkage mechanism (40). The linkage mechanism (5) is connected to the control system inside the hull (11) and is linked to the rudder plate (38). ) Top, used to control the deflection of the rudder plate (38), but the linkage mechanism (40) is not the focus of this case, so I won't go into details. With the above structure, when the engine (22) drives the transmission shaft (24) and then drives the impeller (36) to rotate, the water flow on the bottom of the ship (12) will pass from the front of the hull (11) through the passage (16) Suction into the rear shroud (32), guided by the blades (33) (37) of the static impeller (34) and the moving impeller (36) to form a propulsion water flow, and then sprayed from the rear end of the shroud (32) The hull (11) can be pushed forward if it is controlled; if the rudder plate (38) is controlled to deflect, the ejection direction of the propulsion current can be changed, and the forward direction of the hull (11) can be changed. 15 Compared with the power boat used in I, this creation has the following advantages: First, because the drive shaft (24) is 5 ° ~ 6. The inclination angle makes the moving impeller (36) more upright and shallower draught, so that the effective propulsion component of the propulsion water flow formed by the rotation of the moving impeller (36) is larger, and the propulsion efficiency is increased. 20 2. When the moving impeller (36) of the diversion device (30) rotates, the water flow first flows into the shroud (32), is guided by the blades of the static impeller (34), and is then guided by the moving impeller (36). Driven, so it is less likely to generate eddy currents behind the bow, which can improve propulsion efficiency 'and increase the maneuverability of the boat. 3. The moving impeller (36) is installed inside the shroud (32) to rotate, so it is not easy to damage the M254421 new manual $ Sale page caused by entanglement of foreign objects; and the moving impeller (36) will not hurt near the bottom of the ship Fish, swimmers or divers, so it is more suitable for rescue work boats. In addition, the position or quantity of the diversion device installed in this creation can be changed as required; please refer to the third figure, which is the power boat (60) of the second preferred embodiment of this creation. The main components are substantially the same as those of the first preferred embodiment, and are characterized in that two channels (62) are formed at the bottom of the hull (61), which are located on the two sides of the center of the hull (61); and the hull (61 ) Each channel (62) is provided with a diversion device (63), so that this creation can be applied to a double-propelled boat that requires a large 10 thrust.
-8- M254421 新型說明書$賣頁 【圖式之簡單說明】 第一圖係本創作第一較佳實施例之局部側視圖； 第二圖係本創作第一較佳實施例之後視圖； 第三圖係本創作第二較佳實施例之後視圖；以及 5 第四圖係習用船艇之側視圖。 【圖式符號說明】 11船身 12船底 14船尾 16通道 10 18龍骨部 20驅動裝置 22引擎 24傳動轴 30導流裝置 32導流罩 33葉片 34靜葉輪 36動葉輪 37葉片 15 38舵板 40連動機構 39螺栓 -9--8- M254421 New Manual $ Selling Page [Simplified Explanation of Drawings] The first drawing is a partial side view of the first preferred embodiment of the present creation; the second drawing is a rear view of the first preferred embodiment of the present creation; the third The drawing is a rear view of the second preferred embodiment of this creation; and 5 The fourth drawing is a side view of a conventional boat. [Illustration of symbols] 11 hull 12 bottom 14 stern 16 channel 10 18 keel part 20 driving device 22 engine 24 transmission shaft 30 deflector 32 shroud 33 blade 34 static impeller 36 moving impeller 37 blade 15 38 rudder plate 40 Linkage mechanism 39 bolt-9-