M396379 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種排風罩，供组裝於建築物排風系統之 出〇。 【先前技術】 習知之排風罩可參考TWM327005號專利所述，係於建築 物觀或通風管路末端裝設罩體，於罩體中裝設遽網，以避免 雨水、昆蟲或其他外物進入罩體或通風管路中，但此種排風罩 於使用時谷易發生下述數項問題：如選用較細之遽網，該慮網 將容易阻擋空氣流通’使建築物的通風效果降低；如選用較粗 之渡網，則使較小的昆蟲仍可自由進出通風管路：此外，於降 雨較大時，雨水容易自罩體下方嘴賤進入通風管路中，使通風 管路積水。 【新型内容】 本創作之主要目的在於提供一麵風罩，可排除上述數項 使用問題。 ' 為達成上述目的，本創作提供另—種排風罩，供固設於一 建築物回’該建築物外牆形成有一通風孔，其中該排風罩包 有a 又體與導官。該殼體圍構有一導引空間，該殼體具有 第面與-第二面，該第_面與該第二面不平行，該殼體於 ~第©I成有一第一開口，該第一開口與該導引空間相連 通’該殼體於該第二面形成有一篦— x啕弟一開口，該第二開口與該導 == 目連通。該導管具有—斜切段與—延伸段，以該導管定 轴向方向，觀伸段自該斜切段射―熟向延伸，該導 ^二卻切段軸有-第-管口，該特_延伸段形成有一 於二=第一管口與該第二管口相連通，該第-管口傾斜 伽段戦有—錢與—_，該長邊及 :邊與雜向方向平行，該第二管叫與該顧孔相連通， 娜”設於郷1 口，該斜切段容設於該料空間，令該 t與_簡㈣綠亀邊與該第二開 藉此’本創作所提供之排風罩利用殼體與導管相互搭配， 不需襄設據網即可避免昆蟲攸行或直接飛入通風孔十，此外， h斜切&之長邊可喊雨水從下方賴進人通風孔巾，使本創 作具有極佳的使用效果。 【實施方式】 以下僅以實施例說明本創作可能之實施態樣，然並非用以 限制本創作所欲保護之範嘴，合先欽明。 咕參考圖1至圖3，本創作提供一種排風罩，係供固設於 建築物外牆1 ’該建築物外牆1形成有一通風孔11，以本創 作罩合於該通風孔U ’減少雨水、外物或昆蟲進入通風孔等 情形的發生。 本創作所提供之排風罩包括有一殼體2與一導管3，並可 另設有一蓋體4。 M396379 該殼體2圍構有一導引空間，該殼體具有一第一面與一第 二面’該第-面與該第二面不平行，較佳者，該第—面與該第 二面相互垂直，可令該殼體於第一面形成一固定板21，以該 固定板21個設於建築物外牆。該殼體於該第—面形成有一 第一開口 22，該第一開口 22與該導引空間相連通，該殼體於 該第二面形成有一第二開口 23，該第二開口 23與該導引空間 相連通。其中，該殼體2可另形成有二導流孔24，該二導流 孔24位於該殼體2遠離該第二開口 23的一端。該殼體2形成 有導流孔24時，可另於該殼體2延伸形成二擋板25，該二擋 板分別遮擋於該二導流孔24 —側’其中擋板25遮擋於導流孔 24係指擋板25位於導流孔24 —侧，擋板與導流孔相互分隔， 於擋板與導流孔之間隔有一定距離，使空氣可於該導流孔24 内外流通’該擋板25則可阻擋異物直接通過導流孔24,其中， 该二擋板25可完全遮擋於該二導流孔24，或可令該二擋板25 略J而未元全遮擔於各該導流孔24。於其他實施例中，亦可 僅形成有一導流孔與一檔板。 該導管3具有一斜切段31與一延伸段32，以該導管定義 一軸向方向，該延伸段32自該斜切段31其中一端轴向延伸， 導笞3於該斜切段31形成有一第一管口 33，該導管3於該 L伸#又32形成有一第二管口 34，該第一管口 33與該第二管 34相連通，該第一管口 33傾斜於該輪向方向，更明確地說， 該第一管口 33周緣之外型可定義一軸線，該轴線傾斜於該轴 5 M396379 向方向，亦即該軸線不垂直亦不平行於該軸向方向，令該斜切 段形成有-長邊311與-短邊312，該長邊311及該短邊312 與該抽向方向平行，該延伸段32可供固設於建築物外牆t， 或可供穿入於通風孔11，使該第二管口 34可與該通風孔n 相連通。該導管3穿設於該第一開口 22，該導管3外徑可與 該第一開口 22大小相配合，使該導管3與該殼體2因摩擦力 固定’於其他實施例中，亦可於導管3與殼體2之間裝設其他 鎖固裝置’令導管與殼體相互gj定。該斜城31容設於該導 引二間，使δ亥第一管口 33與該導引空間相連通，當殼體2形 成有導流孔24時，該斜切段31則可位於導流孔24與第二開 口 23之間，其中，該斜切段之長邊311位於斜切段之短邊μ〕 與殼體之第二開口 23之間。 該蓋體4可包含有一框體41、一片體42與複數導流板 43。該框體41呈環狀，該框體41環繞於該片體幻周圍，該 片體42形成有複數穿孔421，各該導流板43自該片體42延 伸形成，各該導流板43遮擋於各該穿孔421 一侧。該框體“ 套合於該斜切段31，令該片體42蓋合於該第一管口 ％。於另 一實施例中，該蓋體4可僅包括一片體41與複數導流板42， 可將該片體一體成型於該斜切段，令該片體蓋合於該第一管 Ό 〇 藉此，請參考圖3 ’本創作供固設於建築物外牆1後，可 利用該第二管口 34連通於建築物外牆之通風孔丨丨，可供空氣 6 M396379 經由通風孔11、第二管口 34、第一管口 33、導引空間及第二 開口 23或導流孔24流通至外部，可供空氣流通。當昆蟲或外M396379 V. New description: [New technical field] This creation department is about an exhaust hood for assembly in the building exhaust system. [Prior Art] The conventional exhaust hood can be referred to the TWM327005 patent, and the cover is installed at the end of the building or the ventilation pipe, and the net is installed in the cover to avoid rain, insects or other foreign objects. Entering the hood or ventilation duct, but the ventilating hood is prone to the following problems when using it: if a fine mesh is used, the net will easily block the air circulation. If the coarser mesh is used, the smaller insects can still freely enter and exit the ventilation line: in addition, when the rainfall is large, the rainwater can easily enter the ventilation line from the mouth below the cover, so that the ventilation line Water. [New content] The main purpose of this creation is to provide a hood to eliminate the above several problems. In order to achieve the above objectives, the creation provides an alternative hood for fixing to a building. The exterior wall of the building is formed with a venting hole, wherein the hood is provided with a body and a guide. The housing has a guiding space, the housing has a first surface and a second surface, the first surface is not parallel to the second surface, and the housing has a first opening formed in the first surface. An opening is in communication with the guiding space. The housing is formed on the second surface with an opening, the second opening being in communication with the guiding body. The duct has a chamfered section and an extension section, and the ducting direction is extended from the chamfering section by the ducting direction, and the guiding section has a -th-nozzle The extension_extending section is formed with a second-to-two nozzle, and the first nozzle is connected to the second nozzle. The first-portion inclination gamma has - money and -_, and the long side and the side are parallel to the direction of the miscellaneous direction. The second tube is connected to the Gu hole, and the Na is disposed at the mouth of the bowl, and the chamfer section is accommodated in the material space, so that the t and the _ simple (four) green edge and the second opening are used The hood provided by the creation uses the shell and the duct to match each other. It is not necessary to set up the net to avoid insects flying or directly flying into the vents. In addition, the long side of the h-cut & Lai Jinren ventilating towel makes this creation have excellent use effect. [Embodiment] The following is only an example to illustrate the possible implementation of this creation, but it is not intended to limit the scope of the creation of this creation. First, Ming Ming. 咕 Referring to Figures 1 to 3, the present invention provides an exhaust hood for fixing to the exterior wall of a building 1 'the exterior wall of the building 1 Forming a venting opening 11 to cover the venting hole U' to reduce the occurrence of rain, foreign objects or insects entering the venting hole, etc. The hood provided by the present invention comprises a casing 2 and a duct 3, A cover body 4 can be additionally provided. M396379 The housing 2 defines a guiding space, the housing has a first surface and a second surface, the first surface and the second surface are not parallel, preferably The first surface and the second surface are perpendicular to each other, so that the housing forms a fixing plate 21 on the first surface, and the fixing plate 21 is disposed on the outer wall of the building. The housing is formed on the first surface. There is a first opening 22, the first opening 22 is in communication with the guiding space, and the housing is formed with a second opening 23 in the second surface, the second opening 23 is in communication with the guiding space. The housing 2 can be further formed with two guiding holes 24, and the two guiding holes 24 are located at one end of the housing 2 away from the second opening 23. When the housing 2 is formed with the guiding holes 24, the housing can be further The body 2 extends to form two baffles 25, and the two baffles respectively block the two guide holes 24 - side 'where the baffle 25 blocks the diversion 24 means that the baffle 25 is located at the side of the diversion hole 24, and the baffle and the diversion hole are separated from each other, and the baffle is spaced apart from the diversion hole so that air can flow through the inside and outside of the diversion hole 24. The plate 25 can block the foreign matter from directly passing through the flow guiding hole 24, wherein the two baffles 25 can completely block the two guiding holes 24, or the two baffles 25 can be completely omitted. The flow guiding hole 24. In other embodiments, only one guiding hole and one baffle may be formed. The duct 3 has a chamfered section 31 and an extending section 32, and the duct defines an axial direction, the extension The segment 32 extends axially from one end of the chamfered section 31, and the guide 3 is formed with a first nozzle 33 at the chamfered section 31, and the duct 3 is formed with a second nozzle 34 at the L extension #32. The first nozzle 33 is in communication with the second tube 34, the first nozzle 33 is inclined in the direction of the wheel, and more specifically, the outer shape of the first nozzle 33 defines an axis, the axis Tilting to the direction of the axis 5 M396379, that is, the axis is not perpendicular or parallel to the axial direction, so that the beveled section is formed with a long side 311 and a short side 312, the long side 311 and the short side 312 are parallel to the direction of the drawing, and the extending part 32 can be fixed to the outer wall t of the building, or can be inserted into the venting hole 11 to make the second nozzle 34 It can communicate with the vent n. The duct 3 is disposed in the first opening 22, and the outer diameter of the duct 3 is matched with the size of the first opening 22, so that the duct 3 and the casing 2 are fixed by friction. A further locking device is installed between the conduit 3 and the casing 2 to make the conduit and the casing gj. The inclined city 31 is accommodated in the guiding room, so that the first nozzle 33 of the δ hai is in communication with the guiding space. When the housing 2 is formed with the guiding hole 24, the inclined section 31 can be located at the guiding Between the flow hole 24 and the second opening 23, wherein the long side 311 of the chamfered portion is located between the short side of the chamfered portion and the second opening 23 of the casing. The cover 4 can include a frame 41, a piece 42 and a plurality of baffles 43. The frame body 41 is annular, and the frame body 41 is surrounded by the body of the body. The body 42 is formed with a plurality of through holes 421, and each of the baffles 43 is formed from the body 42. Each of the baffles 43 is formed. It is blocked on one side of each of the through holes 421. The frame body is "fitted to the chamfered section 31 so that the sheet body 42 covers the first nozzle port %. In another embodiment, the cover body 4 may include only one piece 41 and a plurality of baffles 42. The sheet body can be integrally formed on the chamfered section, so that the sheet body is covered by the first tube 〇 〇, please refer to FIG. 3 'This creation is fixed to the exterior wall 1 of the building, The second nozzle 34 is connected to the vent hole of the external wall of the building, and the air 6 M396379 is provided through the vent hole 11, the second nozzle 34, the first nozzle 33, the guiding space and the second opening 23 or The flow guiding hole 24 is circulated to the outside for air circulation. When insects or outside
物於外部空間活動時則容易受到殼體2阻擋而不會直接進入 通風孔11，縱使有昆蟲沿建築物外牆丨或殼體2自第二開口 23爬行進入導引空間’也容易受到斜切段31阻擋而不易進入 第-管口 33 ’該長邊311尤其可阻撑自建築物外牆】爬行進 入之昆蟲。當下辦’該斜切段之長邊311可阻擋雨水自第二 開口 23噴藏進入第-管徽u則略延伸，使 擋板25之自由端至該第一面的距離小於該短邊312之自由端 至該第-面的距離’可利職板25將近人導流孔24的雨水引 導至斜切段之短邊312上方，避免雨水直接流人第—管口 B。When the object is in the external space, it is easily blocked by the casing 2 and does not directly enter the vent hole 11. Even if an insect crawls along the outer wall of the building or the casing 2 crawls from the second opening 23 into the guiding space, it is also susceptible to slanting. The cut section 31 blocks and does not easily enter the first nozzle 33'. The long side 311 can particularly resist the insects crawling into the exterior wall of the building. The long side 311 of the chamfering section can block the rainwater from being sprayed from the second opening 23 into the first-tube emblem u, and the distance from the free end of the baffle 25 to the first surface is smaller than the short side 312. The distance from the free end to the first surface can be used to guide the rainwater of the near manhole 24 to the short side 312 of the beveled section to prevent the rain from flowing directly to the first port B.
此外田建s物外的環境氣流較強，於氣流由下向上逆衝 時’本創作中之斜切段31可哺由第二開σ 23逆流的氣流， 令氣流分流料管_，向導流孔24排出，可避免外部空氣 或氣"IL向導5㈣或通風孔u内部逆衝，確保空氣可自通風 孔11向外排出；當建築物外的環贼流較強，而由上向下流 動時’該導流孔24與該擋板25則可導引外部氣流，利用外部 氣瓜將成體2内的空氣向第二開〇 23排出，降低殼體2内的 壓力’令通風孔丨丨内的空氣加速向外排出。 綜上所述’本創作所提供之排風軍可裝設於建築物外牆， 有效阻擋料、昆蟲或其他外物進入建築物的通風孔，提升通 、氣欢果’並可避免外部氣流向通風孔内逆衝，提供極 7 M396379 佳的使用效果，實乃極具進步功效之證明。 【圖式簡單說明】 圖1係本創作之使用示意圖。 圖2係本創作之立體分解圖。 圖2A係本創作殼體另一視角之立體圖。 圖3係本創作之剖視圖。 【主要元件符號說明】 1 :建築物外牆 311 :長邊 11 :通風孔 312 :短邊 2 :殼體 32 :延伸段 21 :固定板 33 :第一管口 22 :第一開口 34 :第二管口 23 :第二開口 4 :蓋體 24 :導流孔 41 :框體 25 :擋板 42 :片體 3 :導管 421 :穿孔 31 :斜切段 43 :導流板In addition, Tian Jian's external airflow is strong, and when the airflow is reversed from the bottom to the top, the chamfered section 31 in this creation can feed the airflow of the second open σ 23 countercurrent, so that the airflow splits the pipe _, the guide The flow hole 24 is discharged, which can avoid the external air or gas "IL guide 5 (four) or the internal venting of the vent hole u, ensuring that the air can be discharged outward from the vent hole 11; when the ring thief outside the building has a strong flow, the upward direction When the flow is underflow, the guide hole 24 and the baffle 25 can guide the external airflow, and the air in the adult body 2 is discharged to the second opening 23 by the external air melon, thereby reducing the pressure in the casing 2 to ventilate The air inside the hole is accelerated to the outside. In summary, the venting army provided by this creation can be installed on the outer wall of the building, effectively blocking the vents of materials, insects or other foreign objects entering the building, improving the ventilation and qi and avoiding external airflow. Backflushing into the venting hole provides excellent results for the use of the pole 7 M396379, which is a proof of progress. [Simple description of the diagram] Figure 1 is a schematic diagram of the use of this creation. Figure 2 is an exploded perspective view of the present creation. 2A is a perspective view of another perspective of the present housing. Figure 3 is a cross-sectional view of the present creation. [Main component symbol description] 1 : Building exterior wall 311 : Long side 11 : Ventilation hole 312 : Short side 2 : Housing 32 : Extension 21 : Fixing plate 33 : First nozzle 22 : First opening 34 : Two nozzles 23: second opening 4: cover body 24: flow guiding hole 41: frame body 25: baffle 42: sheet body 3: duct 421: perforation 31: chamfering section 43: deflector