TW201236556A - Airflow guiding device - Google Patents

Airflow guiding device Download PDF

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Publication number
TW201236556A
TW201236556A TW100105992A TW100105992A TW201236556A TW 201236556 A TW201236556 A TW 201236556A TW 100105992 A TW100105992 A TW 100105992A TW 100105992 A TW100105992 A TW 100105992A TW 201236556 A TW201236556 A TW 201236556A
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Taiwan
Prior art keywords
windshield
air
pivoting
wind deflector
side walls
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TW100105992A
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Chinese (zh)
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TWI429392B (en
Inventor
Zhen-Xing Ye
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Hon Hai Prec Ind Co Ltd
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Publication of TW201236556A publication Critical patent/TW201236556A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F13/084—Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Air-Flow Control Members (AREA)

Abstract

An airflow guiding device includes a main body. The main body includes a top wall, two opposite sidewalls, and an air channel bounded by the top wall and the sidewalls. The air channel includes an air outlet. A first plate and a second plate are pivotably connected to portions of the sidewalls adjacent to the air outlet, respectively. A plurality of openings is defined in each of the first and second plates, and opening area of the first and second plates are different. The first and second plates are selectively rotated to block the air outlet of the air guiding device.

Description

201236556 六、發明說明： ’ 【發明所屬之技術領域】 [0001] 本發明是關於一種導風罩。 [先前技術3 [0002] 電子裝置，如伺服器等，為了滿足散熱需要，通常在發 熱電子元件或散熱器上裝設一導風罩，使該導風罩的一 端正對一風扇’以將電子元件產生的熱量集中快速的排 出。但是由於需散熱的電子元件的高度和體積不同，從 而會導致風流經過電子元件後流量分配變化較大，進而 影響系統内部的整體散熱。 * 【發明内容】 [0003] 鑒於以上，有必要提供一種能夠調節出風風流的導風罩 〇 [0004] —種導風罩，包括一主體部，該主體部包括—頂壁、兩 相對的側壁及一由該頂壁與該兩側壁圍成的導風通道， 該導風通道包括一出風口，該兩側壁於鄰近該出風口處 分別樞轉連接一第擋風板與一第二擔風板，該第一擋 風板與該第二擋風板上分別開設有複數通凤孔，且該第 一擋風板與該第二擋風板的開孔面積不同’該第一擋風 板與該第二擋風板可選擇地擋止固定於該導風罩的出風 Ο 〇 [0005] 相較習知技術，該導風罩的第一擋風板與第二擋風板可 選擇地擋止固定於該導風罩的出風口’從而產生調節出 風風流的作用。 【實施方式】 1002010248-0 100105992 表單編號A0101 . 第3頁/共15頁 201236556 _6]請參照則與圖2，本發明導風罩_較佳實施方式，包 括—主體部20、-第-擋風板3〇及一第二擔風板4〇。 國該主體部包括—頂壁21及兩相對的㈣23。該頂㈣ =該兩側壁23合圍成-導風通道25。該導風通道25包括 一進風口（圖未示）及-出風口251。每一侧壁23於鄰接 該出風口 251的-端的上部開設—收容槽231。每一側壁 23的外側的上部緊鄰該出風口 251處向外凸設兩上下間隔 的樞轉部233。每-樞轉部233設有—樞轉孔234。每一 側壁23的外側的上部遠離該出風口 251處凸設有兩上下間 隔的相向設置的卡鉤235 r _8] 4第—擋風板3G包括—大致呈長方形的板㈣、一框轉 件33及—卡扣35。該板㈣上間隔的開設有複數第-通 風孔312。該板體31的第一端分別向上、下各凸伸一搞轉 軸314。該板體31的一側於鄰近第：端（與第―端相… 處形成-凹槽315。該凹槽315的上下兩侧壁於鄰近第二 端處刀別③有-樞轉孔31 6 ,該樞轉件33包括_樞轉桿 332及由該樞轉桿332鄰近兩端處向同一側分別延伸出的 兩突出的樞轉部334。每一樞轉部334設有一樞轉孔335 。該卡扣35呈平板狀，其於_•端的上下兩侧分別凸設一 樞轉軸352。 [0009]該第二擋風板4〇包括一大致呈長方形的板體41、一樞轉 件43及一卡扣45。該板體41上間隔的開設有複數第二通 風孔412，第二通風孔412的數量多於第一擋風板30上的 第一通風孔312的數量，每一第二通風孔41 2的面積小於 第一擋風板30的第一通風孔312的面積。該第二擋風板4〇 100105992 表單編號A0101 第4頁/共15頁 1002010248-0 201236556 的開孔面積小於該第—擋風板期開孔面積。該板體41 的第端刀別向上、下各凸伸轉軸414。該板體^的 一側於鄰近第二端（與第-端相對）處形成-凹槽（圖 未不）i於該凹槽的上下兩側分別設有-樞轉孔416。 祕轉件43包括—樞轉桿432及由該樞轉桿似鄰近兩端 處向同—側分別延伸出的兩突出的樞轉部434。每-梅轉 部434設有-樞轉孔435。該卡純呈平板狀其於一端 的上下兩側分別凸設一樞轉軸452。 [0010] ❹ ο [0011] «月併參照圖3與圖4,組裝時，首先，將該第一擔風板 30的板體31的兩樞轉軸314分別插人該框轉件的兩拖 轉孔335，使該板體31與該樞轉件”柩轉連接。將該卡扣 35的兩樞轉軸352分別插人該板體31的兩樞轉孔316，使 該卡扣35樞轉連接於該板體31。該第_擋風板3〇組裝完 成。將該第-擋風板3G的樞轉件33的_桿332的兩端分 別插入該主體部2〇的—側壁23上的兩樞轉_3的拖轉孔 234，使該第一擋風板3〇柢轉地連接於該側壁23。然後， 將該第二擋風板4〇的板體41的兩樞轉軸414分別插入該樞 轉件43的兩樞轉孔435，使該板體41與該轉件43樞轉 連接。將該卡扣45的兩樞轉軸452分別插入該板體“的兩 樞轉孔416，使該卡扣45柩轉連接於該板體41。該第二擋 風板40組裝元成❶將該第二播風板的柩轉件η的棍轉 捍432的兩端分別插入該主體部2〇的另一側壁“上的兩柩 轉部233的樞轉孔234，使該第二擋風板4〇樞轉地連接於 該另一侧壁23。該導風罩1〇組裝完成。 使用時，將該導風罩1〇裝設於一電子裝置内，使至少一 100105992 表單編號A0101 第5頁/共15頁 1002010248-0 201236556 電子几件（圖未示）收容於 .-X 、忒冷風罩10内，並使一風，扇 (圖未不）正對該導風罩 ^ ^ ^ X ^ 的進風口。風扇吹出的冷風 由6亥進風口 k入该導風罩 後流經該電子元件，給該電 子凡件政熱後攸該導風罩1 f 1〇的出風口 251流出。 [0012] 當该導風罩10的出風口 25 ^ ,η 鴣要全部打開時，將該第一、 第風板30、40的卡扣3 〇1 、45分別收容於對應的板體 31、41的凹槽内。使該〜 ^ 第一擔風板30、40分別向 該主體邛2 0對應的侧壁2 3魅 轉動。向外扳開該兩側壁23上 的卡鉤235 ’使該第—、隹_ 1 I二擋風板30、40的板體31、 4 I收谷於對應的側壁2 ^ μ认 的兩卡鉤235之間。釋放該等卡 釣2，違第—、第二擋風板3〇、40的板體31、41及卡 扣35、45被夾持於對應的側㈣及卡鉤235之間。 [0013] 根據導風罩1G⑽電子林對風流的_情況及電子衰 置内部系統的散熱需求，奋♦ 田而要在该導風罩10的出風口 251處攔截較少的風流時，胳丰 呀將卡置於該第一擋風板30的兩 卡釣235扳開’使該第—擋風細向該導風罩10的出風口 251轉動’同時’該第一擋風;板3〇的板體31相對於該樞轉 件33轉動。當該第一擋風板3〇轉動至其設有卡扣35的一 端接近該導風罩1〇的與該第二擋風板4〇相連的側壁23時 ，將該卡扣35相對於該板體31轉動大致9〇度。繼續轉動 該第一檔風板30，使該卡扣35插入該與第二擋風板40相 連的側壁23的收容槽231。此時，該第一擋風板30被固定 於該導風罩1〇的出風口 251。由於該第一擋風板3〇上的第 一通風孔312的面積較大，可允許較多的風流通過該第一 擋風板30。 100105992 表單編號A0101 第6頁/共15頁 1002010248-0 201236556 [0014] 根據導風罩1 0内的電子元件對風流的阻擋情況及電子裝 置内部系統的散熱需求，當需要在該導風罩1〇的出風口 251處攔戴較多的風流時，將卡置於該第二擋風板4〇的兩 十鉤235扳開，使該第二擋風板4〇向該導風罩1〇的出風口 251轉動，同時，該第二擋風板40的板體41相對於該框轉 件43轉動。當該第二擋風板40轉動至其設有卡扣μ的一 端接近該導風罩10的與該第一擋風板3〇相連的側壁23時 ，將該卡扣45相對於該板體41轉動大致9〇度。繼續轉動 該第二擔風板40 ’使該卡扣45插入該與第一擋風板3〇相 〇 連的侧壁23的收容槽231。此時，該第二擋風板40被固定 於該導風罩10的出風口 251。由於該第二擋風板4〇上的第 二通風孔412的面積較小，只能允許較少的風流通過該第 二標風板30。透過β亥第一、第一撞風板30、40對風流的 陴擋作用，可控制流出該導風罩10的風流的大小，從而 使系統内的風流保持在理想狀態。 [0015] 綜上所述’本發明確已符合發明專利之要件’遂依法提 出專利申請。惟’以土所述者僅為本發明之較佳實施方 〇 式，自不能以此限制本案之申請專利範圍。舉凡熟悉本 案技藝之人士爰依本發明之精神所作之等效修飾或變化 ，皆應涵蓋於以下申請專利範圍内。 【圖式簡單說明】 [0016]圖1是本發明導風罩的較佳實施方式的立體組裝圓。 [〇〇17] 圖2是圖1的立體分解圖。 [0018] 圖3是圖2中的第一擋風板的組裝放大圖。 100105992 表單編號Α0101 第7頁/共15頁 1002010248-0 201236556 [0019] 圖4是圖1的另一狀態圖。 【主要元件符號說明】 [0020] 導風罩：10 [0021] 主體部：20 [0022] 頂壁：21 [0023] 側壁：23 [0024] 收容槽：231 [0025] 框轉部：233、334、434 [0026] 樞轉孔：234、316 ' 335、416、435 [0027] 卡鉤·· 235 [0028] 導風通道：25 [0029] 出風口 ： 251 [0030] 第一擋風板：30 [0031] 板體：31、41 [0032] 第一通風孔：312 [0033] 樞轉軸：314、352、414、452 [0034] 凹槽：315 [0035] 枢轉件：33、43 [0036] 框轉桿：332、432 [0037] 卡扣：35、45 100105992 表單編號A0101 第8頁/共15頁 1002010248-0 40 201236556 [0038] 第二擋風板 412 [0039] 第二通風孔201236556 VI. Description of the invention: ‘Technical field to which the invention pertains. [0001] The present invention relates to an air hood. [Prior Art 3 [0002] Electronic devices, such as servers, etc., in order to meet the heat dissipation requirements, an air hood is usually installed on the heat-generating electronic component or the heat sink, so that one end of the air hood is facing a fan' The heat generated by the electronic components is concentrated and quickly discharged. However, due to the difference in height and volume of the electronic components that need to be dissipated, the flow distribution of the airflow through the electronic components changes greatly, which in turn affects the overall heat dissipation inside the system. * [Summary of the Invention] [0003] In view of the above, it is necessary to provide an air hood that can adjust the wind flow 〇 [0004], an air hood, including a main body portion, the main body portion includes a top wall, two opposite a side wall and a wind guiding passage defined by the top wall and the two side walls, the air guiding passage includes an air outlet, and the two side walls are respectively pivotally connected to a first windshield and a second wind adjacent to the air outlet a wind deflector, the first windshield and the second windshield respectively have a plurality of through-holes, and the first windshield and the second windshield have different opening areas, the first windshield The second windshield and the second windshield can selectively block the air outlet 固定 [0005] fixed to the air hood. Compared with the prior art, the first wind deflector and the second wind deflector of the air hood can be The air outlet □ fixed to the air hood is selectively blocked to generate an air flow. [Embodiment] 1002010248-0 100105992 Form No. A0101. Page 3/Total 15 Page 201236556 _6] Please refer to FIG. 2, the air deflector of the present invention _ preferred embodiment, including - body portion 20, - first block The wind plate 3〇 and a second wind plate 4〇. The main body of the country includes a top wall 21 and two opposite (four) 23. The top (four) = the two side walls 23 are enclosed by a wind guiding passage 25. The air guiding passage 25 includes an air inlet (not shown) and an air outlet 251. Each side wall 23 defines a receiving groove 231 at an upper portion adjacent to the end of the air outlet 251. Two upper and lower spaced pivoting portions 233 are protruded outwardly from the upper portion of each of the side walls 23 adjacent to the air outlet 251. Each of the pivoting portions 233 is provided with a pivot hole 234. An upper portion of the outer side of each side wall 23 is disposed at a position away from the air outlet 251. Two upper and lower spaced opposite hooks 235 r _8] 4 - the wind deflector 3G includes a substantially rectangular plate (four), a frame rotating member 33 and - buckle 35. A plurality of first through-vent holes 312 are formed in the upper portion of the plate (four). The first end of the plate body 31 respectively protrudes upward and downward to engage the rotating shaft 314. One side of the plate body 31 is formed adjacent to the first end (the groove 315 is formed at the end of the first end). The upper and lower side walls of the groove 315 are adjacent to the second end and have a pivot hole 31. 6 . The pivoting member 33 includes a pivoting lever 332 and two protruding pivoting portions 334 respectively extending from the opposite ends of the pivoting lever 332 to the same side. Each pivoting portion 334 is provided with a pivoting hole. 335. The buckle 35 has a flat shape, and a pivot shaft 352 is respectively protruded from the upper and lower sides of the _• end. [0009] The second wind deflector 4 includes a substantially rectangular plate body 41 and a pivoting And a plurality of second ventilation holes 412 are spaced apart from the plate body 41. The number of the second ventilation holes 412 is greater than the number of the first ventilation holes 312 on the first windshield 30. The area of a second vent 41 2 is smaller than the area of the first vent 312 of the first wind deflector 30. The second windshield 4 〇 100105992 Form No. A0101 Page 4 / Total 15 Page 1002010248-0 201236556 The hole area is smaller than the opening area of the first windshield plate. The first end of the plate body 41 protrudes upwardly and downwardly from the rotating shaft 414. One side of the plate body is adjacent to the first The end portion (opposite the first end) is formed with a groove (not shown) i respectively provided on the upper and lower sides of the groove - a pivot hole 416. The secret rotating member 43 includes a pivoting rod 432 and The rotating rod is like two protruding pivoting portions 434 respectively extending from the same side to the same side. Each of the turning portions 434 is provided with a pivoting hole 435. The card is purely flat and is on the upper and lower sides of one end. A pivoting shaft 452 is respectively protruded. [0010] [0011] «Month and referring to FIG. 3 and FIG. 4, when assembling, firstly, the two pivot shafts 314 of the plate body 31 of the first wind deflector 30 are respectively inserted. The two towing holes 335 of the frame rotating member are connected to the pivoting member. The two pivoting shafts 352 of the locking member 35 are respectively inserted into the two pivot holes 316 of the plate body 31. The buckle 35 is pivotally coupled to the plate body 31. The first windshield plate 3 is assembled. The two ends of the rod 332 of the pivoting member 33 of the first windshield 3G are respectively inserted into the body. The two pivoting holes 234 on the side wall 23 are pivotally connected to the side wall 23. The second wind deflector 4 is then twisted. The two pivot shafts 414 of the plate body 41 are respectively inserted into the The two pivot holes 435 of the pivoting member 43 pivotally connect the plate body 41 to the rotating member 43. The two pivoting shafts 452 of the buckle 45 are respectively inserted into the two pivot holes 416 of the plate body, so that the The buckle 45 is rotatably connected to the plate body 41. The second windshield 40 is assembled into the main body portion 2 by inserting both ends of the slewing ring 432 of the slewing member η of the second air distribution plate. The pivot hole 234 of the two turns 233 on the other side wall of the other side wall pivotally connects the second wind deflector 4 to the other side wall 23. The air hood 1〇 is assembled. In use, the air hood 1〇 is installed in an electronic device, so that at least one 100105992 form number A0101 page 5/15 pages 1002010248-0 201236556 electronic pieces (not shown) are housed in .-X,忒In the cold hood 10, and make a wind, the fan (not shown) is facing the air inlet of the air hood ^ ^ ^ X ^. The cold air blown by the fan flows into the air hood through the air inlet of the 6th, and flows through the electronic component. After the electronic component is heated, the air outlet 251 of the air hood 1 f 1〇 flows out. [0012] When the air outlets 25^, η 鸪 of the air hood 10 are all open, the buckles 3 〇 1 and 45 of the first and third air panels 30 and 40 are respectively accommodated in the corresponding board body 31, 41 inside the groove. The first to third air plates 30 and 40 are respectively rotated toward the side wall 2 3 corresponding to the main body 邛20. Pulling the hooks 235' on the two side walls 23 outwardly, so that the plates 31, 4 I of the first, second, and third windshields 30, 40 are received by the corresponding side walls. Between hooks 235. The card 2 is released, and the plates 31, 41 and the buckles 35, 45 of the second, second windshield 3, 40 are clamped between the corresponding side (four) and the hook 235. [0013] According to the air hood 1G (10) electronic forest on the situation of the wind flow and the heat dissipation requirements of the electronic faint internal system, when the wind is to intercept less airflow at the air outlet 251 of the air hood 10, The two card fishing 235 that is placed on the first windshield plate 30 is opened to make the first windshield rotate toward the air outlet 251 of the air guiding cover 10 while the first wind is blocked; the plate 3〇 The plate body 31 is rotated relative to the pivoting member 33. When the first windshield 3 is rotated to an end where the buckle 35 is provided to approach the side wall 23 of the air hood 1 〇 connected to the second windshield 4 ,, the buckle 35 is opposite to the The plate body 31 is rotated by approximately 9 degrees. The first wind deflector 30 is further rotated, and the buckle 35 is inserted into the receiving groove 231 of the side wall 23 connected to the second wind deflector 40. At this time, the first wind deflector 30 is fixed to the air outlet 251 of the air duct 1〇. Since the area of the first ventilation hole 312 on the first windshield 3 is large, more wind flow can be allowed to pass through the first wind shield 30. 100105992 Form No. A0101 Page 6 of 15 1002010248-0 201236556 [0014] According to the blocking condition of the electronic components in the air duct 10 and the heat dissipation requirement of the internal system of the electronic device, when the air hood 1 is required When more airflow is blocked at the air outlet 251 of the crucible, the two hooks 235 that are placed on the second windshield 4〇 are pulled apart, so that the second windshield 4 is swung toward the air duct 1 The air outlet 251 is rotated, and at the same time, the plate body 41 of the second wind deflector 40 is rotated relative to the frame rotating member 43. When the second wind deflector 40 is rotated until the end of the air deflector 10 is adjacent to the side wall 23 of the air deflector 10 that is connected to the first wind deflector 3, the buckle 45 is opposite to the panel body. 41 turns approximately 9 degrees. The second wind deflector 40' is further rotated to insert the buckle 45 into the receiving groove 231 of the side wall 23 which is connected to the first wind deflector 3A. At this time, the second wind deflector 40 is fixed to the air outlet 251 of the air duct 10. Since the area of the second ventilation hole 412 on the second windshield 4 is small, only a small amount of wind can be allowed to pass through the second air deflector 30. Through the blocking action of the first and first wind deflectors 30, 40 on the wind flow, the size of the wind flow flowing out of the air hood 10 can be controlled, thereby keeping the wind flow in the system in an ideal state. [0015] In summary, the invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. However, the description of the present invention is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application in this case. Equivalent modifications or variations made by persons skilled in the art in light of the present invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0016] FIG. 1 is a perspective assembly circle of a preferred embodiment of the air duct of the present invention. [FIG. 2] FIG. 2 is an exploded perspective view of FIG. 1. 3 is an enlarged enlarged view of the first windshield of FIG. 2. 100105992 Form No. Α0101 Page 7 of 15 1002010248-0 201236556 [0019] FIG. 4 is another state diagram of FIG. [Main component symbol description] [0020] Air hood: 10 [0021] Main body: 20 [0022] Top wall: 21 [0023] Side wall: 23 [0024] Storage groove: 231 [0025] Frame rotation: 233, 334, 434 [0026] pivot hole: 234, 316 ' 335, 416, 435 [0027] hook · 235 [0028] air duct: 25 [0029] air outlet: 251 [0030] first windshield : 30 [0031] Plate body: 31, 41 [0032] First venting hole: 312 [0033] Pivot shaft: 314, 352, 414, 452 [0034] Groove: 315 [0035] Pivoting member: 33, 43 [0036] Frame Rotary: 332, 432 [0037] Buckle: 35, 45 100105992 Form No. A0101 Page 8 / Total 15 Page 1002010248-0 40 201236556 [0038] Second Windshield 412 [0039] Second Ventilation hole

100105992 表單編號A0101 第9頁/共15頁 1002010248-0100105992 Form No. A0101 Page 9 of 15 1002010248-0

Claims (1)

201236556 七、申請專利範圍： 1 . 一種導風罩，包括一主體部，該主體部包括一頂壁、兩相 對的側壁及一由該頂壁與該兩側壁圍成的導風通道，該導 風通道包括一出風口，該兩侧壁於鄰近該出風口處分別枢 轉連接一第一擂風板與一第二擋風板，該第一擋風板與該 第二擋風板上分別開設有複數通風孔，且該第一擋風板與 該第二擋風板的開孔面積不同，該第一擋風板與該第二擋 風板可選擇地擋止固定於該導風罩的出風口。 2 .如申請專利範圍第1項所述之導風罩，其中該第一檔風板 與該第二擂風板均包括一板體及一枢轉件，該等通風孔分 別設於對應的板體上，該兩板體的第一端分別可轉動地連 接於該兩枢轉件，該兩樞轉件分別可轉動地連接於該兩側 壁的鄰近出風口處。 3 .如申請專利範圍第2項所述之導風罩，其中每一側壁的外 侧於緊鄰該出風口處向外凸設兩上下間隔的樞轉部，每一 樞轉部設有一樞轉孔，每一板體的第一端分別向上、下各 凸伸一樞轉軸，每一樞轉件包括一枢轉桿及由該樞轉桿向 同一側延伸出的兩突出的具有柩轉孔的樞轉部，該兩板體 的第一端的樞轉軸分別可轉動地連接於該兩樞轉件的對應 樞轉部的樞轉孔，該兩樞轉件的枢轉桿分別可轉動地連接 於該兩侧壁的對應柩轉部的樞轉孔。 4 .如申請專利範圍第2項所述之導風罩，其中每一側壁於鄰 接該出風口的一端開設一收容槽，該第一擋風板與該第二 擋風板的第二端分別連接一卡扣，當該第一擋風板或該第 二擋風板擋止固定於該導風罩的出風口時，該第一擋風板 100105992 表單編號A0101 第10頁/共15頁 1002010248-0 201236556 或該第二擋風板的卡扣卡入該導風罩的對應側壁的收容槽 内。 5 .如申請專利範圍第4項所述之導風罩，其中該兩卡扣分別 樞轉地連接於該第一擋風板與該第二擋風板。 6.如申請專利範圍第5項所述之導風罩，其中該第一擋風板 與該第二擋風板的一側於鄰近第二端處分別形成一用以收 容對應卡扣的凹槽。 7 .如申請專利範圍第5項所述之導風罩，其中每一側壁凸設 有兩上下間隔的相向設置的卡鉤，當該第一擋風板與該第 〇 二擋風板轉動至分別貼緊對應的側壁時，該兩側壁上的卡 鉤可卡置對應的第一擋風板或第二擋風板的板體及卡扣。 ◎ 1002010248-0 100105992 表單編號A0101 第11頁/共15頁201236556 VII. Patent application scope: 1. An air hood, comprising a main body portion, the main body portion comprising a top wall, two opposite side walls and a wind guiding passage surrounded by the top wall and the two side walls, the guide The air passage includes an air outlet, and the two side walls are respectively pivotally connected to the first windshield and the second windshield respectively adjacent to the air outlet, and the first wind deflector and the second wind deflector respectively a plurality of venting holes are defined, and the first windshield and the second windshield have different opening areas, and the first wind deflector and the second wind deflector are selectively blocked and fixed to the air hood The outlet. The windshield of claim 1, wherein the first windshield and the second windshield comprise a plate body and a pivoting member, wherein the ventilation holes are respectively disposed in corresponding The first ends of the two plates are rotatably connected to the two pivoting members, and the two pivoting members are respectively rotatably connected to the adjacent air outlets of the two side walls. 3. The air hood of claim 2, wherein an outer side of each side wall protrudes outwardly from the air outlet to provide two pivoting portions, each of which has a pivot hole a first pivoting shaft of each of the plates protrudes upwardly and downwardly, and each of the pivoting members includes a pivoting rod and two protruding pivoting shafts extending from the pivoting rod to the same side The pivoting shafts of the first ends of the two plates are respectively rotatably connected to the pivot holes of the corresponding pivoting portions of the two pivoting members, and the pivoting levers of the two pivoting members are respectively rotatably connected to A pivot hole of the two side walls corresponding to the twisting portion. 4. The air hood of claim 2, wherein each side wall defines a receiving slot at an end adjacent to the air outlet, and the first wind deflector and the second end of the second wind deflector respectively Connecting a buckle, when the first windshield or the second windshield is fixed to the air outlet of the air hood, the first windshield 100105992 Form No. A0101 Page 10 / Total 15 Page 1002010248 -0 201236556 or the buckle of the second windshield is caught in the receiving groove of the corresponding side wall of the air guiding hood. 5. The air hood of claim 4, wherein the two buckles are pivotally coupled to the first wind deflector and the second wind deflector, respectively. 6. The air hood of claim 5, wherein one side of the first wind deflector and the second wind deflector respectively form a recess for receiving the corresponding buckle at a position adjacent to the second end. groove. 7. The air hood of claim 5, wherein each of the side walls is provided with two vertically spaced apart hooks, and the first windshield and the second windshield are rotated to When the corresponding side walls are respectively attached, the hooks on the two side walls can be engaged with the corresponding first windshield or the second windshield plate body and the buckle. ◎ 1002010248-0 100105992 Form No. A0101 Page 11 of 15
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