201231891 六、發明說明： 【發明所屬之技術領域】 一種排氣設備，特別是指一種設置於牆面通風 ' 孔處之排氣罩。 【先前技術】201231891 VI. Description of the invention: [Technical field to which the invention pertains] An exhaust device, in particular, an exhaust hood provided at a hole in a ventilation wall of a wall. [Prior Art]
為排煙、換氣或排放熱水器所產生熱水蒸氣， 一般住家、商辦大樓或工廠’皆會設置排氣通道。 由於排氣管為開放管路設計，當刮風以及下雨a 時，風雨可能會經排氣管滲入屋内，甚至將體積幸交 小之異物吹入室内，導致排氣排煙設備的損壞。 請參照第1圖’其係為習知技術排氣罩之第_ 示意圖。為此，大多數排氣管路穿設於牆壁1 0之開 口處’皆會裝設一種排氣罩1 ’該排氣罩1係呈半 球狀之殼體，該排氣罩1 口徑大小與排氣管路丨3之 口徑相連結處設有導流網 上具有一朝向地面設置之 氣或油煙係經由排氣管穿 然而’該排氣罩1僅有一 當風勢或雨勢較大時，仍 σ 12灌入，而風雨僅能通 1 3至至内，無法將風雨完 設備的損壞，及室内的進 口徑大小相當，並於兩者 片11，該排氣罩1之球面 排煙口 12，室内廢氣、蒸 過導流網片11擋於屋外。 個向下設置的排煙口 1 2， 有少部分的風雨經由排煙 過導流網片11排氣管路 全阻擋在外，而造成排氣 水所造成的不適。 201231891 【發明内容】 本創作之主要目的，旨在提供一種排氣罩，其 可避免雨水順著通氣孔倒灌至室内，造成排氣設備 之損害。 為達上述目的，本創作之排氣罩，其設置於一 牆面之通氣孔處，包含一外罩體、一通風管體及一 固定件。該外罩體設置於該牆面外側，並包括一基 壁、一圍繞壁及複數個出風孔。該圍繞壁係由該基 壁之側緣處向外延伸形成。該等出風口係間隔形成 於該圍繞壁上。該通風管體具有一通風口，設置於 該外罩體内側。該固定件設置於該通風管體之一 側，該固定件設置於該通風管體之一側，該固定件 之另一側係接合於該通氣孔。 其中，該通風管體之外側壁面形成至少一雨水 導流孔。 其中，該通風管體與該固定件間更設有複數個 百葉片或一濾網。 其中，該等出風孔係以沖壓方式完全沖斷該外 罩體所對應之孔位所形成。 其中，該等出風孔係以沖壓方式以不完全沖斷 該等外罩體所對應之孔位所形成。 其中，該基壁係朝遠離該牆面的方向呈曲面狀 突伸形成。 其中，該基壁係朝靠近該牆面的方向呈曲面狀 4 201231891 凹陷形成。 其中，該出風孔係為長方孔、圓孔或橢圓型孔。 其中，該固定件係為一接合管體，該接合管體 之側壁面更設有複數個嵌扣部，該等嵌扣部係頂抵 於該通氣孔。 - 其令’該喪扣部係為圓形或方形。 其令，該固定件係為彈力鋼線，其用以撐抵該 通氣孔。 — .其中，該通風管體之外側壁更向外延伸至少一 °止°卩，該外罩體之一端係沿伸出—扣接部，該扣 接部係扣接於該擋止部。 其中’該通風管體之外側壁面形成至少一導流 通道，係供潑入之雨水順流而下，至該雨水導流孔 排出。 【實施方式】 為使貴審查委員能清楚了解本創作之内容，謹 以下列說明搭配圖式，敬請參閱。 請參閱第3圖、帛4圖及第5圖所示，其係為 本創作排氣罩第一實施例之分解圖、剖面圖及受到 ^雨打時狀態示意圖。圖中，該排氣罩3設置於 —牆面4之通氣孔41處，並包含一外罩體η、一 通風管體32、—固定件33及一導流體34。 該外罩體3 1設置於該牆面4外側，並包括一基 201231891 壁3 11、一圍繞壁3 1 2及一扣接部3 1 3。 該基壁3 11之中心部係朝靠近該牆面4的方向 呈曲面狀凹陷形成一弧狀凹面。該圍繞壁312則由. 該基壁3 11之側緣處向外延伸形成，且該圍繞壁3 i 2 上係間隔形成複數個出風孔3丨2丨。在本實施例中， 該等出風孔3 1 2 1係以沖壓方式完全沖斷該外罩體 所對應之孔位所形成，而可為長方孔、圓孔或橢圓 型孔。該扣接部313係由該圍繞壁312遠離該基壁 3 11之一側朝内侧彎曲沿伸。 該通風管體32設置於該外罩體31内，並具有 一通風口 321、一雨水導流孔322、一擋止部323及 複數個導流通道324。該通風口 321係形成於該通 風管體32之一侧。該雨水導流孔322係形成於該通 風管體32側壁之下方處。該擋止部323由該通風管 體32之外側壁面向外延伸，並對應該扣接部313。 該等導流通道324係形成於通風管體32之外側壁 面，其可用以快速排除滴落至通風管體32外側壁面 之雨。 該導流體34則設置於該通風管體及該固定 件之間’並蓋設於該通風口 32丨處。此外，該導流 體34設有複數片用於導引氣流流動方向之導流片 341。 " 該固定件33則可為一接合管體，該接合管體之 側壁面更設有複數個嵌扣部331。該等嵌扣部331 201231891 係由該固定件3 3之側壁面向外延伸，並於裝設該固 定件3 3時頂抵於該通風孔41。此外，該等嵌扣部 33可為圓形或方形。 當於下雨天時’部份雨水將沿該等出風孔3丨2 i 渗入該外罩體3 1内部，而滲入之雨水將沿著通風管 體32之外側壁面流至下方，並沿著該外罩體3 1下 方之出風孔3121排出。當雨勢風勢較大，導致少部 份的雨水滲入該通風管體3 2之内側時，由於該通風 管體32側壁面之下方開設雨水導流孔322，雨水便 透過該雨水導流孔322排至外罩體31下方，並透過 外罩體3 1下方之出風孔3 1 2 1排出，而不會倒灌至 至内’造成排風設備的損壞。此外，由於通風管體 32外側壁面設有複數條導流通道324，潑入之雨水 沿之順流而下至該雨水導流孔322，可加速排出雨 水及減少雨水滲入通風管體32内側之機會。 此外’由於該基壁3 11之中心處係呈曲面凹陷 狀’當該外罩體31受正向風力吹拂時，可分散風 壓’減低風切聲’及避免受過大風壓而導致被吹落 的危險。 請一併參照第5圖、第6圖及第7圖，其係為 本創作排氣罩外罩體另一實施態樣示意圖、導流體 另一實施態樣示意圖及本創作排氣罩外罩體基壁另 一實施態樣示意圖。此外，在本實施例之其他實施 態樣中’該等出風孔3丨2 1可以沖壓方式以不完全沖 201231891 斷該外罩體31所對應之孔位所形成。 此外，在本實施例之其他實施態樣中，該導流 體34可用於設置一濾網342，其用以避免落葉或小 型生物落入室内。 此外’在本實施例之其他實施態樣中，該基壁 3 11係朝遠離該牆面的方向成曲面狀突伸所形成， 而可分散風壓及避免風切聲。 請參閱第8圖及第9圖所示， 氣罩第二實施例之分解圖及剖視圖 其係為本創作排 。圖中，該排氣 罩5包括一外罩體51 53及一導流體54。 一通風管體52 —固定件 在本實施例中，由於該外罩體51、該通風管體 52及該導流體54之結構與功能與第一實施例相 同，在此不再贅述。 本實施例與第一實施例之差異在於該固定件53 係為一彈力鋼線，藉由該彈力鋼線所產生的彈性拉 力撐抵於該牆壁之該通氣孔處。 如上所述’本創作排氣罩’其功效在於外罩體 設置一通風管體’使的雨水可沿通風管體之管壁外 側流出而不會倒灌至室内。此外，該通風管體之下 方更可設有一雨水導流孔’使流入通風管體内之雨 水得以排出，而不會倒灌至室内。 唯，以上所述者，僅為本創作之較佳實施例而 已，並非用以限定本創作實施之範圍，在不脫離本 201231891In order to exhaust, ventilate or discharge the hot water vapor generated by the water heater, the exhaust passage is usually installed in the home, commercial building or factory. Since the exhaust pipe is designed as an open pipe, when wind and rain a, wind and rain may leak into the house through the exhaust pipe, and even the small foreign matter that is fortunately blown into the room may cause damage to the exhaust gas exhaust device. Please refer to Fig. 1 which is a schematic view of a conventional exhaust hood. For this reason, most of the exhaust pipe is disposed at the opening of the wall 10, and an exhaust cover 1 is installed. The exhaust cover 1 is a hemispherical casing, and the size of the exhaust cover 1 is The ventilating line 丨3 is provided with a flow guiding net having a gas or soot disposed toward the ground through the exhaust pipe. However, the exhaust hood 1 has only a wind or a large rain. Still σ 12 is poured in, and the wind and rain can only pass through 1 3 to the inside, it is impossible to damage the equipment after the wind and rain, and the inlet diameter of the room is equivalent, and in both pieces 11, the spherical exhaust vent of the exhaust hood 1 12, indoor exhaust gas, steamed through the flow of the mesh 11 block outside the house. A downwardly arranged exhaust vent 1 2, a small part of the wind and rain is completely blocked by the exhaust pipe through the exhaust flow net 11 and the exhaust water causes discomfort. 201231891 [Summary of the Invention] The main purpose of the present invention is to provide an exhaust hood which prevents rainwater from flowing down into the room along the vent hole, thereby causing damage to the exhaust device. In order to achieve the above object, the vent cover of the present invention is disposed at a vent hole of a wall, and comprises an outer cover body, a ventilation pipe body and a fixing member. The outer cover body is disposed outside the wall surface and includes a base wall, a surrounding wall and a plurality of air outlet holes. The surrounding wall is formed by extending outwardly from the side edges of the base wall. The vents are spaced apart from each other on the surrounding wall. The ventilation pipe body has a venting opening disposed inside the outer casing. The fixing member is disposed on one side of the ventilation pipe body, and the fixing member is disposed on one side of the ventilation pipe body, and the other side of the fixing member is coupled to the ventilation hole. Wherein, at least one rainwater guiding hole is formed on the outer wall surface of the ventilation pipe body. Wherein, the vent tube body and the fixing member are further provided with a plurality of louvers or a filter screen. Wherein, the air outlet holes are formed by completely punching the hole positions corresponding to the outer cover body by punching. Wherein, the air outlet holes are formed by punching in a manner that does not completely break the hole positions corresponding to the outer cover bodies. Wherein, the base wall is formed in a curved shape in a direction away from the wall surface. Wherein, the base wall is formed in a curved shape in the direction of the wall surface 4 201231891. Wherein, the air outlet hole is a rectangular hole, a circular hole or an elliptical hole. Wherein, the fixing member is a joint pipe body, and the side wall surface of the joint pipe body is further provided with a plurality of fastening portions, and the fastening portions are pedestal against the vent hole. - It makes the shackle round or square. Therefore, the fixing member is a spring steel wire for supporting the vent hole. The outer side wall of the air venting body extends outward at least one degree, and one end of the outer casing is extended along the fastening portion, and the fastening portion is fastened to the stopping portion. Wherein the outer side wall surface of the venting pipe body forms at least one flow guiding passage for the rainwater to be poured down to the rainwater diversion hole to be discharged. [Embodiment] In order to make your reviewer understand the content of this creation, please refer to the following description. Please refer to FIG. 3, FIG. 4 and FIG. 5, which are exploded views, cross-sectional views and schematic views of the state of the first embodiment of the present hood. In the figure, the exhaust hood 3 is disposed at the venting opening 41 of the wall surface 4, and includes an outer casing n, a venting pipe body 32, a fixing member 33 and a guiding fluid 34. The outer cover body 3 1 is disposed outside the wall surface 4 and includes a base 201231891 wall 3 11 , a surrounding wall 3 1 2 and a fastening portion 3 1 3 . The central portion of the base wall 3 11 is curved in a curved shape toward the wall surface 4 to form an arcuate concave surface. The surrounding wall 312 is formed by extending outwardly from the side edges of the base wall 3 11 , and the surrounding wall 3 i 2 is spaced apart to form a plurality of air outlet holes 3丨2丨. In this embodiment, the air outlet holes 3 1 2 1 are formed by completely punching the hole positions corresponding to the outer cover body, and may be rectangular holes, round holes or elliptical holes. The fastening portion 313 is bent and extended from the side of the surrounding wall 312 away from the side of the base wall 31. The venting body 32 is disposed in the outer casing 31 and has a vent 321 , a rainwater diversion hole 322 , a stopping portion 323 , and a plurality of guiding channels 324 . The vent 321 is formed on one side of the vent body 32. The rainwater diversion hole 322 is formed below the side wall of the vent body 32. The stopper portion 323 extends outward from the outer side wall surface of the ventilation pipe body 32, and corresponds to the fastening portion 313. The flow guiding passages 324 are formed on the outer side wall surface of the vent pipe body 32, and can be used to quickly remove rain that has dripped onto the outer side wall surface of the vent pipe body 32. The guiding fluid 34 is disposed between the venting tube body and the fixing member and is disposed at the vent 32 丨. Further, the deflector 34 is provided with a plurality of fins 341 for guiding the flow direction of the air flow. < The fixing member 33 can be a joint pipe body, and the side wall surface of the joint pipe body is further provided with a plurality of fastening portions 331. The fastening portions 331 201231891 extend outward from the side walls of the fixing member 33, and abut against the vent holes 41 when the fixing member 33 is installed. Further, the clasps 33 may be circular or square. When it is raining, 'partial rainwater will seep into the outer casing 3 1 along the vents 3丨2 i, and the infiltrated rainwater will flow down the outer wall surface of the venting pipe body 32, and along the The air outlet hole 3121 below the outer cover body 3 1 is discharged. When the rain is large, causing a small amount of rainwater to infiltrate into the inner side of the ventilating pipe body 32, since the rainwater diversion hole 322 is opened below the side wall surface of the vent pipe body 32, the rainwater passes through the rainwater diversion hole 322. It is discharged to the lower side of the outer cover body 31 and is discharged through the air outlet hole 3 1 2 1 below the outer cover body 3 1 without being poured into the inner portion to cause damage to the air discharge device. In addition, since the outer side wall surface of the air duct body 32 is provided with a plurality of flow guiding channels 324, the rainwater poured down along the rainwater guiding hole 322 can accelerate the discharge of rainwater and reduce the chance of rainwater infiltrating into the inner side of the air duct body 32. . In addition, 'because the center of the base wall 3 11 is concave in the shape of the curved surface', when the outer cover body 31 is blown by the forward wind, the wind pressure can be dispersed to reduce the wind cut sound and avoid being blown by excessive wind pressure. danger. Please refer to FIG. 5, FIG. 6 and FIG. 7 together, which is a schematic diagram of another embodiment of the venting hood outer cover body, another embodiment of the fluid guiding body, and the venting hood outer cover body of the present invention. Another schematic diagram of the wall. Further, in other embodiments of the present embodiment, the vent holes 3 丨 2 1 may be formed in a punching manner by not completely puncturing the hole positions corresponding to the outer cover 31 in 201231891. Moreover, in other embodiments of this embodiment, the flow director 34 can be used to provide a screen 342 to prevent falling leaves or small organisms from falling into the room. Further, in other embodiments of the embodiment, the base wall 31 is formed in a curved shape in a direction away from the wall surface, and the wind pressure can be dispersed and the wind cut sound can be avoided. Referring to Figures 8 and 9, the exploded view and the cross-sectional view of the second embodiment of the hood are the creative rows. In the figure, the hood 5 includes an outer casing 51 53 and a fluid guide 54. In the present embodiment, the structure and function of the outer cover body 51, the air vent tube body 52, and the fluid guide body 54 are the same as those of the first embodiment, and will not be described herein. The difference between this embodiment and the first embodiment is that the fixing member 53 is a resilient steel wire, and the elastic tension generated by the elastic steel wire is supported by the vent hole of the wall. As described above, the present invention has the effect that the outer cover body is provided with a venting pipe body so that rainwater can flow out along the outer side of the pipe wall of the vent pipe body without being poured into the room. In addition, a rainwater diversion hole can be provided under the venting pipe body to allow rainwater flowing into the ventilating pipe body to be discharged without being poured into the room. However, the above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present implementation, without departing from this 201231891
創作之精神與範圍下所作之均等變化與修飾，皆應 涵蓋於本創作之專利範圍内。 綜上所述，本創作之排氣罩，係具有專利之創 作性，及對產業的利用價值；申請人爰依專利法之 規定，向 鈞局提起新型專利之申請。 9 201231891 【圖式簡單說明】 第1圖，為習知技術排氣罩之第一示意圖。 第2圖，為本創作排氣罩第一實施例之分解圖。 第3圖，為本創作排氣罩第一實施例之剖面圖。 第4圖，為本創作排氣罩第一實施例受到風吹雨打 時狀態示意圖。 第5圖，為本創作排氣罩外罩體另一實施態樣示意 圖。 第6圖，為本創作排氣罩導流體另一實施態樣示意 圖。 第7圖，為本創作排氣罩外罩體基壁另一實施態樣 示意圖。 第8圖，為本創作排氣罩第二實施例之分解圖。 第9圖，為本創作排氣罩第二實施例之剖面圖。 【主要元件符號說明】 1 排氣罩 10 牆壁 12 排煙口 13 排氣管路 2 罩體 21 蓋緣 22 凹陷部 24 排風口 10 201231891 擋緣 排氣罩 外罩體 基壁 圍繞壁Equivalent changes and modifications made in the spirit and scope of the creation should be covered by the scope of this creation. In summary, the venting hood of this creation is patented and valuable for the industry; the applicant filed a new patent application with the shackle in accordance with the provisions of the Patent Law. 9 201231891 [Simple description of the drawings] Fig. 1 is a first schematic view of a conventional exhaust hood. Fig. 2 is an exploded view of the first embodiment of the venting hood of the present invention. Fig. 3 is a cross-sectional view showing the first embodiment of the hood of the present invention. Fig. 4 is a schematic view showing the state in which the first embodiment of the hood is subjected to wind and rain. Fig. 5 is a schematic view showing another embodiment of the hood outer cover of the present invention. Fig. 6 is a schematic view showing another embodiment of the fluid guiding body of the ventilating cover. Fig. 7 is a schematic view showing another embodiment of the base wall of the outer cover of the exhaust hood of the present invention. Figure 8 is an exploded view of a second embodiment of the venting hood of the present invention. Figure 9 is a cross-sectional view showing a second embodiment of the venting hood of the present invention. [Main component symbol description] 1 Exhaust cover 10 Wall 12 Exhaust port 13 Exhaust line 2 Cover 21 Cover edge 22 Depression 24 Exhaust vent 10 201231891 Retaining hood Exhaust cover Exterior cover Base wall Surrounding wall
出風孑L 扣接部 通風管體 通風口 雨水導流孔 擋止部 導流通道 固定件 嵌扣部 導流體 導流片 濾網 牆面 通氣孔 排氣罩 外罩體 通風管體 固定件 導流體 11Ventilation 孑L Snaps Ventilation Pipe Ventilation Rainwater Drainage Stopper Guideway Guideway Fixings Inserting Guided Fluid Guide Vane Filter Wall Venting Vent Exhaust Cover Cover Body Venting Body Fixing Guide Fluid 11