201243245 六、發明說明： 【發明所屬之技術領域】 種可提升内外壓 本發明係關於一種導氣管，特及 差’以改善出口處拔風作用之導氣管。 【先前技術】 導氣管為習用建築領域、工業領域常見之設計，主要 係利用該導氣管心卜自然產生的氣壓差，與外界風壓協^ 作用而將該導氣官内汗濁的空氣排除，同時引人外界 的空氣，以達到通風、散熱的效果。 請參照第1圖所示，習用導氣管9之應用如火爐、鶴 爐的煙®結構設計，係因煙喊體進出口之高度壓差及内 部熱空氣所產生之熱龜著該f科氣f9之氣道91上升 且自端部散溢，同時藉由外界風力而於該制導氣管9出 口處92產生拔風仙’進而麵氣流流通，提升該火爐或 鋼爐燃燒條件之功政；惟，該習用導氣管9之出口社構係 採用齊頭式之設計，外界氣流易於該習用導氣管9出。口處 92與管流氣體產生交i作用而影響該f料氣管9内氣 流出速率，以致該習用導氣f 9出口處92之拔風作用益 有效發揮’損及該_導氣管9應有的導氣及散熱效果， 因此，有必要針對該習用導氣管9的結構加以改良， 升習用導氣管9之效能。 < 【發明内容】 本發明係提供一種導氣管 其主要目的為提升該導氣 201243245 s内外氣壓差的產生’以利於導氣管出口處之拔風作用的 形成。 本發明之再一目的係提供一種導氣管，係可以隨外界 風向調整方^X轉料氣管出σ處之拔風侧的效能。 為達到前述發明目的，本發明所運用之技術手段包含 有： 一種導氣管’包含—本體，為-中空管體，該本體具 有一導氣道及―出口端，其巾，該出Π端之兩側分別設有 一迎風部及一引流部。 本發明之導氣管，其中該本體設有-縮徑部。 Μ本發明之導氣管’其中該本體包含一第一管體及第二 管體，該第-、第二管體係由—滑動件樞接。 本發明之導氣管，其中該滑動件係滚珠式軸承、滾針 式軸承、祕式軸承、賴式軸承、圓錐料式軸承之其 —〇 本發明之導氣官’其巾該第—管體凸設有一翼片。 本發明之導氣管，其中該翼片係對位於該出口端而設 置。 本發明之導氣管’其中該出口端為—切槽狀。 本發明之導氣管，其中該出口端為—斜面狀。 【實施方式】 為讓本發明之上述及其他目的、特徵及優點能更明顯 易懂，下文特舉本發明之較佳實施例，並配合所附圖式， 作詳細說明如下： 201243245 請參照第2圖所示，為本發明導氣管之第一較佳實施 例，該導氣管包含一本體1，該本體丨乃係一中空管體， 具有一導氣道11，可供各種氣體流通，該本體1之一端設 有出口 h 12 ’該出口 12之兩側分別形成一迎風部I] 及一引流部14，本實施例之出口端12係成一切槽狀。 請再參照第2圖所示，擬使用本發明第一實施例之導 氣管，係配合環境風向設置該導氣管，使該本體丨之迎風 部13可迎向外界氣流的流向，而外界氣流則可流過該迎風 部13 ’而在該迎風部13表面形成一局部高壓區a，當該 局部高壓區A之氣流順勢流過該出口端12之切槽時，因 壓力梯度之存在，使氣流瞬間加速，並且在該引流部14 處產生一局部低壓區B，此時因該局部高壓區a與該局部 低壓區B之氣壓差，使氣流於該引流部14發生邊界層分 離’而引發形成渦流對，同時該出口端12之壓力可相對於 該導氣道11内之壓力而具有相對壓差，造成拔風作用，帶 動該本體1之導氣道11内部的氣體流出，進而提升本發明 導氣管之導氣及散熱效果。 如該第2圖所示’本發明第一實施例之導氣管較佳係 於該本體1設有一縮徑部15 ’當該導氣道11内之氣流通 過該縮徑部15時’會使氣流流速增加’而造成局部低壓， 可增加該導氣道11内之氣體排出於出口端12的流量，以 提升本發明導氣管之導氣作用。 請參照第3及4圖所示’為本發明第二實施例之導氣 管，本實施例之出口端12、迎風部13、引流部14及縮徑 部15之設置與第一實施例之導氣管大致相同，相關細節不 201243245 再贅述。本實施例導氣管之主要麵在於，該本體ι係由 -第-管體la及一第二管體lb所共同組成，該第一、第 二官體la、lb内部分別具有第一導氣道山及第二導氣道 I其中，該出口端12、迎風部13及引流部14形成於 遠第一管體1&之一端。 、其中，該第一、第二管體la、！b係由各種習用方式予 以栖接，如第3圖所示，本實施例之第一、第二管體1 &、 lb=系藉由-滑動件16進行極接’在本實補當中，該第 s體ia另設有一樞接件17a，由該樞接件w與該滑動 =16之一端相抵接，而該滑動件16之另一端則與該第二 之—樞接座17b結合’使該滑動件16可以支撐該 管體la ’並且使該第一管體u可相對於該第二管體 轴向旋轉。其中，該滑動件16可以為-滾珠式轴承、 =式軸承、滑動式麻、截式麻、液餘承、圓錐 “式軸承或者係任何可以支禮且旋轉該第一管體1&之 設計，本實關之_件16係選擇以—滾珠式軸承為實施 樣態說明。 本發明第二實施例之導氣管的第-管體la可另設-翼片18’該翼片18可為任何可以因外界風向改變而產生 扭矩之設計，本實施例之翼片18係以凸設於該第一管體 la外表面之一對風標為實施樣態進行說明該翼片18較 佳係分別設置於該迎風部13之兩側，並且對位於該出口端 12之切槽，該翼片18較佳於該第一管體1&上，且不高於 該出口端12之切槽，以避免破壞該出口端12之渦流系統， 而影響該迎風部13及引流部μ所產生之氣壓變化。 201243245 请參照第5及6圖’係本實施例之翼片18與該滑動 件16之作動關係示意圖，其中，該翼片18係具有一重心 轴X ’該重心I* X之兩端可相對於外界氣流的流動而產生 不同的氣流推力，如第5圖所示，當該重心轴X-端之氣 流推力較大時’該翼片18即可帶動該第一管體la藉由該 滑動件16獅’直至達到動態平衡，而使該第—管體1& 之迎風部13可以迎向於外界氣流流向，使氣流可於該第一 官體la之出口端12形成渦流，以便有效地帶走該導氣管 内部流通的氣體；由此’本發明第二實施例之導氣管可以 順應環ί兄風向而調整該迎風部13之方位，以有效發揮本發 明導氣管之散熱及導氣效果。 又’請參照第7圖’為本發明第三實施例之導氣管， 本實施例之本體1，第—、第二管體la、lb及縮徑部15 等構件之設置皆與該第二實施例之導氣管相同，相關細節 不再贅述。本實施例之導氣管的主要差異僅在於該出口端 12係呈一斜面狀，而出口端12之兩侧同樣設有一迎風部 13及引流部14，如此，該第一管體la之加工製造可更為 簡易，有利於本發明導氣管之生產與製造。 本發明之導氣管於實際應用時，可作為習用建築之通 風道結構，將本發明之導氣管裝設於一建築物之頂部，進 而將該建築物内部污濁之氣流排出；再者，本發明之導氣 管也可應用於習用鍋爐、火爐的之煙囪結構，一般而言， 鍋爐及火爐的燃燒可產生大量的熱空氣，因熱空氣的密度 較低而可以隨著本發明之導氣管垂直上升，此時，利用本 發明導氣管之引々IL部14，使氣流瞬間加速，並且在該引流 201243245 部14處產生一局部低壓區B，造成該導氣道11内氣體與 該出口端12之氣壓差，因此可於該出口端12處產生拔風 作用，以排除該導氣道11内汙濁的熱空氣，同時自底部引 入外界新鮮的空氣，使該火爐或鍋爐燃燒條件更為旺盛。 本發明之導氣管係於該出口端12設有該迎風部 久 引流部14 ’可有效提升該導氣管内外之氣壓差，以在該出 口端12處形成渦流對，造成拔風作用，進而提升該導氣管 之散熱及導氣效果，為本發明之功效。 本發明之導氣管係設有該滑動件丨6及翼片18,該翼 片丨8可順應外界氣流之流向，帶動該滑動件16及第一管 體1a之轉動，以調整該迎風部13之方位，使該導氣管出 口處12之拔風作用可以順利進行，發揮該導氣管之 導氣效果，具有提升該導氣管實用性之功效。 ‘ ' 、雖然本發明已利用上述較佳實施例揭示，然其並非用 本發明’任何熟習此技藝者在不脫離本發明之精神 二目對上述實施例進行各種更動與修改仍屬本 二二叫因此本發明之保護範圍當視後附 疋甲叫專利範圍所界定者為準。 【圓式簡單說明】 第1圖.習用導氣管之剖面圖 體分解圖 第2圖：本發料—實關 第3圖：本發明第二實施例之導氣管=面圖 第4圖.本發明第二實施例之導氣管如合剖面圖 ⑧ 〜8 201243245 第5圖：本發明之導氣管滑動件轉動示意圖。 第6圖：本發明之導氣管滑動件轉動示意圖。 第7圖：本發明第三實施例之導氣管的立體分解圖。 【主要元件符號說明】 1 本體 la 第一管體 lb 第二管體 11 導氣道 11a 第一導氣道 lib 第二導氣道 12 出口端 13 迎風部 14 引流部 15 縮徑部 16 滑動件 17a樞接件 17b 樞接座 18 翼片 A 局部高壓區 B 局部低壓區 X 重心軸 9 習用導氣管 91 氣道 92 出口處201243245 VI. Description of the invention: [Technical field to which the invention pertains] The invention can improve the internal and external pressures. The present invention relates to an air guiding tube, which is particularly suitable for improving the air outlet at the outlet. [Prior Art] The air duct is a common design in the field of conventional construction and industry. It mainly uses the air pressure difference naturally generated by the air tube to eliminate the air from the air in the air guide. At the same time, the outside air is introduced to achieve the effect of ventilation and heat dissipation. Please refer to Fig. 1 for the application of the conventional air duct 9 such as the structure of the smoke and the structure of the smoke furnace of the crane, which is caused by the high pressure difference between the inlet and outlet of the smoke and the hot air generated by the internal hot air. The air passage 91 of f9 rises and overflows from the end portion, and at the same time, the airflow is generated at the outlet 92 of the guide air pipe 9 by the external wind force, and then the air flow is circulated to improve the combustion condition of the furnace or the steel furnace; The outlet mechanism of the conventional air guiding tube 9 adopts a flush design, and the external airflow is easy to be used for the conventional air guiding tube 9. The mouth portion 92 interacts with the pipe flow gas to affect the gas flow rate in the f-material gas pipe 9, so that the air-extracting action at the outlet point 92 of the conventional gas guide f9 is effective to 'damage the air pipe 9 The air guiding and heat dissipating effects are therefore necessary to improve the structure of the conventional air guiding tube 9 and improve the performance of the air guiding tube 9. <Description of the Invention] The present invention provides an air guiding tube whose main purpose is to increase the generation of the air pressure difference between the inside and outside of the air guide 201243245 s to facilitate the formation of the air pulling action at the outlet of the air guiding tube. Still another object of the present invention is to provide an air guiding tube which is capable of adjusting the efficiency of the air extraction side at the σ outflow of the air tube with the external wind direction. In order to achieve the foregoing object, the technical means used in the present invention include: an air guiding tube comprising: a body, a hollow tube body, the body having an air guiding channel and an "outlet end", and a towel thereof, the outlet end A windward portion and a drainage portion are respectively arranged on both sides. In the air guiding tube of the present invention, the body is provided with a reduced diameter portion. In the air duct of the present invention, the body includes a first tube body and a second tube body, and the first and second tube systems are pivotally connected by the sliding member. The air guiding tube of the present invention, wherein the sliding member is a ball bearing, a needle roller bearing, a secret bearing, a Lai bearing, a conical bearing, and the like, the guiding member of the present invention A fin is convex. The airway of the present invention, wherein the pair of fins are disposed at the outlet end. In the air duct of the present invention, the outlet end is in the shape of a slit. In the air guiding tube of the present invention, the outlet end is - slanted. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; 2 is a first preferred embodiment of the air guiding tube of the present invention, the air guiding tube comprises a body 1 which is a hollow tube body and has an air guiding channel 11 for allowing various gases to circulate. One end of the body 1 is provided with an outlet h 12 '. The two sides of the outlet 12 respectively form a windward portion I] and a drainage portion 14, and the outlet end 12 of the embodiment is formed in a groove shape. Referring to FIG. 2 again, it is intended to use the air guiding tube of the first embodiment of the present invention, and the air guiding tube is disposed in accordance with the ambient wind direction, so that the windward portion 13 of the main body can greet the flow of the external airflow, and the external airflow is Flowing through the windward portion 13' and forming a partial high pressure region a on the surface of the windward portion 13, when the airflow of the local high pressure region A flows through the slit of the outlet end 12, the airflow is caused by the existence of a pressure gradient Instantly accelerating, and a partial low-pressure zone B is generated at the draining portion 14, at which time the boundary layer separation occurs due to the difference in air pressure between the local high-pressure zone a and the local low-pressure zone B. The vortex is opposite, and the pressure of the outlet end 12 can have a relative pressure difference with respect to the pressure in the air guiding passage 11, causing the air pulling action to drive the gas inside the air guiding channel 11 of the body 1 to flow out, thereby improving the air guiding tube of the present invention. Guide air and heat dissipation. As shown in FIG. 2, the air guiding tube of the first embodiment of the present invention is preferably provided with a reduced diameter portion 15' when the airflow in the air guiding passage 11 passes through the reduced diameter portion 15 The flow rate is increased to cause a local low pressure, which can increase the flow rate of the gas in the air guide passage 11 to the outlet end 12 to enhance the air guiding effect of the air duct of the present invention. Referring to Figures 3 and 4, the air duct of the second embodiment of the present invention, the outlet end 12, the windward portion 13, the drain portion 14 and the reduced diameter portion 15 of the present embodiment are arranged as shown in the first embodiment. The trachea is roughly the same, the relevant details are not repeated 201243245. The main surface of the air guiding tube of this embodiment is that the body ι is composed of a first tube body la and a second tube body lb, and the first and second body bodies la and lb respectively have a first air guiding channel. The mountain and the second air guide channel I, wherein the outlet end 12, the windward portion 13 and the drainage portion 14 are formed at one end of the far first tube body 1 & Among them, the first and second tubes la,! b is hive by various conventional methods. As shown in Fig. 3, the first and second tubes 1 & lb= of the embodiment are connected by the sliding member 16 The s body ia is further provided with a pivoting member 17a. The pivoting member w abuts one end of the sliding=16, and the other end of the sliding member 16 is combined with the second pivoting seat 17b. 'Making the slider 16 can support the tubular body la' and axially rotate the first tubular body u relative to the second tubular body. Wherein, the sliding member 16 can be a ball bearing, a = bearing, a sliding hemp, a cut hemp, a liquid bearing, a conical "bearing or any design that can support and rotate the first pipe 1& The present invention is based on the fact that the ball bearing is the embodiment of the ball bearing. The first pipe body la of the air pipe of the second embodiment of the present invention may be additionally provided with a fin 18'. Any design that can generate torque due to changes in the external wind direction, the flap 18 of the present embodiment is preferably disposed on one of the outer surfaces of the first tubular body la, and the vane is preferably implemented. Separately disposed on the two sides of the windward portion 13 and opposite to the slot at the outlet end 12, the tab 18 is preferably on the first tube 1& and not higher than the slot at the outlet end 12. In order to avoid damaging the vortex system of the outlet end 12 and affecting the change of the air pressure generated by the windward portion 13 and the drainage portion μ. 201243245 Please refer to FIGS. 5 and 6 for the flap 18 of the embodiment and the sliding member 16 Schematic diagram of the actuation relationship, wherein the fin 18 has a center of gravity X 'the center of the center of gravity I* X Different airflow thrusts can be generated with respect to the flow of the external airflow. As shown in FIG. 5, when the airflow thrust of the X-end of the gravity shaft is large, the flap 18 can drive the first tubular body la by The sliding member 16's until the dynamic balance is reached, so that the windward portion 13 of the first tubular body 1& can greet the flow of the external airflow, so that the airflow can form a vortex at the outlet end 12 of the first official body la, so that Effectively taking away the gas flowing inside the air guiding tube; thus, the air guiding tube of the second embodiment of the present invention can adjust the orientation of the windward portion 13 in accordance with the wind direction of the ring to effectively exert the heat dissipation and guidance of the air guiding tube of the present invention. Further, please refer to Fig. 7 for the air guiding tube according to the third embodiment of the present invention, and the components of the main body 1, the first and second tubes la, lb and the reduced diameter portion 15 of the present embodiment are both provided. The air guiding tube of the second embodiment is the same, and the related details are not described again. The main difference of the air guiding tube of the present embodiment is that the outlet end 12 has a sloped shape, and both sides of the outlet end 12 are also provided with a windward portion 13 . And the draining portion 14, as such, the first tubular body la The manufacturing process can be more simple, and is advantageous for the production and manufacture of the air guiding tube of the present invention. The air guiding tube of the present invention can be used as a ventilation duct structure of a conventional building in practical application, and the air guiding tube of the present invention is installed in a building. The top portion further discharges the dirty airflow inside the building; further, the air guiding tube of the present invention can also be applied to the chimney structure of a conventional boiler or a furnace. Generally, the combustion of the boiler and the furnace can generate a large amount of hot air. Because the density of the hot air is low, the air tube of the present invention can be vertically raised. At this time, the airflow portion 14 of the air guiding tube of the present invention is used to instantaneously accelerate the airflow, and a portion is generated at the portion of the drainage 201243245. The low pressure zone B causes a difference in air pressure between the gas in the air guiding passage 11 and the outlet end 12, so that an air pulling action can be generated at the outlet end 12 to eliminate the dirty hot air in the air guiding passage 11 and simultaneously introduce the outside air from the bottom. Fresh air makes the stove or boiler burn more vigorously. The air guiding tube of the present invention is provided at the outlet end 12, and the long-distance drainage portion 14' of the windward portion can effectively raise the air pressure difference between the inside and the outside of the air guiding tube to form a vortex pair at the outlet end 12, thereby causing an air pulling effect, thereby enhancing The heat dissipation and air conduction effect of the air guiding tube is the effect of the invention. The air guide tube of the present invention is provided with the sliding member 丨6 and the air piece 18, and the air piece 丨8 can follow the flow direction of the external airflow to drive the rotation of the sliding member 16 and the first tubular body 1a to adjust the windward portion 13 The orientation of the air outlet tube 12 can be smoothly performed, and the air guiding effect of the air guiding tube can be exerted, thereby improving the utility of the air guiding tube. The present invention has been disclosed by the above-described preferred embodiments, but it is not intended to be a part of the present invention. Therefore, the scope of protection of the present invention is subject to the definition of the patent scope. [Circular Simple Description] Fig. 1 is a cross-sectional view of a conventional airway tube. Fig. 2: The present invention is a third embodiment of the present invention. The air guiding tube of the second embodiment of the present invention is as shown in the cross-sectional view of Figs. 8 to 8 201243245. Fig. 5 is a schematic view showing the rotation of the air guiding tube sliding member of the present invention. Fig. 6 is a schematic view showing the rotation of the air tube sliding member of the present invention. Fig. 7 is an exploded perspective view showing the air guiding tube of the third embodiment of the present invention. [Main component symbol description] 1 body la first pipe body lb second pipe body 11 air passage 11a first air passage lib second air passage 12 outlet end 13 windward portion 14 drainage portion 15 reduced diameter portion 16 sliding member 17a pivoted Piece 17b pivoting seat 18 wing A partial high pressure zone B partial low pressure zone X gravity axis 9 conventional air duct 91 air passage 92 exit