1296676 . 、 九、發明說明: 【發明所屬之技術領域】 ’ 纟發明是有關於-種電風扇’特別是指一種具有平衡 主軸的雙扇葉電風扇。 【先前技術】 如圖1所示(申請案號第92206738號新型專利案,同 為本案中請人所提巾)’現有—種具有雙扇葉之散熱風扇, • &含有一馬達1、二分別受該馬達1所驅動的扇葉單元2及 一接設在該馬達1赛部的支撐單元3。當馬達丨運轉時,該 等扇葉單元2同時轉動,可產生兩股呈相互反向之轴向氣 流,而達到散熱目的。 上述之散熱風扇確實可以解決散熱問題,但因該馬達工 是同時帶動二個扇葉單元2產生運轉,若該馬達]之一主 軸101二端部及該等扇葉單元2的配置不平衡,則運轉時 會造成晃動。 Φ 【發明内容】 立因此,本發明之目的,即在提供一種可使一主軸二端 邛與一扇葉單元產生平衡配置,且運轉時可減少晃動之具 有平衡主軸的雙扇葉電風扇。 於是,本發明具有平衡主軸的雙扇葉電風扇,包含一 ,達、-党該馬達帶動的扇葉單元、二可將該等扇葉單元 鎖固定位的鎖固件及一供該馬達設置定位的支撐單元。該 馬達具有一沿一軸線延伸的主軸,該主軸具有一第一端部 、一與該第一端部呈相反設置的第二端部、一對應該第一 5 I2966761296676. IX. Description of the Invention: [Technical Field to Be Invented by the Invention] The invention is related to an electric fan, particularly a double-blade electric fan having a balanced main shaft. [Prior Art] As shown in Fig. 1 (the new patent application No. 92206738, which is the same as the one in the present case), the existing type of cooling fan with double blades, • & contains a motor 1. The blade unit 2 driven by the motor 1 and the support unit 3 connected to the stage of the motor 1 are respectively provided. When the motor is running, the fan unit 2 rotates at the same time, and two axial airflows which are opposite to each other can be generated to achieve the purpose of heat dissipation. The above-mentioned cooling fan can solve the heat dissipation problem. However, since the motor operator drives the two blade units 2 to operate at the same time, if the two ends of the main shaft 101 of the motor and the arrangement of the fan unit 2 are unbalanced, Then it will cause shaking when running. Φ [Summary of the Invention] Accordingly, it is an object of the present invention to provide a double-blade electric fan having a balanced main shaft which can be balanced with a single blade end and a blade unit and which can reduce sloshing during operation. Therefore, the present invention has a double-blade electric fan with a balanced main shaft, comprising a fan unit driven by the motor of the D-, the party, a lock for locking the fixed position of the fan unit, and a positioning for the motor. Support unit. The motor has a main shaft extending along an axis, the main shaft having a first end, a second end opposite to the first end, and a pair of first 5 I296676
W。該等鎖固件 主軸上,且使該 等連結部連結定位在該第―、二❹部上。 … 位部及一對應該第二端部 部,該第一、二定位部呈 一套設在該主軸之第一、 向外延伸而出的葉片,該 藉此,利用该第一、二定 斤 疋位冲壬反向,又置,可使該主 ▲之弟-、二端部與該等扇葉單元連結後產生較佳之平獨 效果,且馬達運轉時可減少晃動。 【貫施方式】 、有關本發明之前述及其他技術内容、特點與功效,在 以下配合參考圖式之三個較佳實施例的詳細說明中 清楚的呈現。 、 在本發明被詳細描述之前,要注意的是,在以下的說 明内容中,類似的元件是以相同的編號來表示。 如圖2及圖3所示,本發明具有平衡主軸的雙扇葉電 風扇第一較佳實施例,包含一馬達1〇、二受該馬達ι〇帶動 的扇葉單元2G、二可將該等扇葉單元2Q鎖固定位的鎖固件 3〇及一供該馬達10設置定位的支撐單元4〇。 該馬達10具有一沿一轴線L延伸的主軸丨丨。該主軸 11具有一第一端部111、一與該第一端部lu呈相反設置的 第二端部112、一對應該第一端部1U且位在該軸線l 一側 的第一定位部113、一對應該第一端部lu的第一螺紋部 6 1296676 112且位在該軸線L另一側的第二 定位部115及-對應該第二端# 112 #第二螺紋舍M16。該 第一、二定位部113、115呈反向設置且呈平面狀。 該等扇葉單元20各具有一套設在該主軸11之第一、二 端部111、112上的㈣21及多數由該轂部21向外延伸而 出的葉片22。該轂部21具有—可界定出—呈缺圓狀之孔洞W. The locks are on the main shaft, and the connecting portions are coupled and positioned on the first and second ends. a second end portion and a pair of second end portions, wherein the first and second positioning portions are a set of first and outwardly extending vanes disposed on the main shaft, thereby utilizing the first and second portions The 疋 疋 壬 壬 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The above-mentioned and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the accompanying drawings. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. As shown in FIG. 2 and FIG. 3, a first preferred embodiment of a double-blade electric fan having a balanced main shaft according to the present invention includes a motor 1 〇 and a fan unit 2G driven by the motor ι, which can The lock unit 3 of the fan blade unit 2Q lock fixed position and a support unit 4 for positioning the motor 10 are disposed. The motor 10 has a spindle bore extending along an axis L. The main shaft 11 has a first end portion 111, a second end portion 112 disposed opposite to the first end portion lu, and a pair of first positioning portions corresponding to the first end portion 1U and located on one side of the axis l 113. A pair of first threaded portions 6 1296676 112 that should be at the first end portion lu and a second positioning portion 115 located on the other side of the axis L and corresponding to the second end #112 #second thread round M16. The first and second positioning portions 113, 115 are arranged in the reverse direction and are planar. The blade units 20 each have a set of (four) 21 disposed on the first and second ends 111, 112 of the main shaft 11, and a plurality of vanes 22 extending outwardly from the hub 21. The hub portion 21 has a hole that can be defined as a circle
211的孔壁212,該孔壁212具有一對應該第一、二定位部 113、115且亦呈平面狀之連結部2丨3。 本實施例的該等鎖固件3<)是製成塊狀且沿軸線L螺設 在該轂部21外侧’且可將該等扇葉單元2()之㈣21鎖固 定位在該絲丨1上,且使料連結部213連結定位在該第 一、二定位部113、115上。 该支撐單το 40具有一安裝在該馬達1〇底部的軸桿41 及一供该轴桿41軸設的腳座42。The hole wall 212 of the 211 has a pair of connecting portions 2丨3 which are also planar and which are also in the first and second positioning portions 113 and 115. The locks 3 <) of the present embodiment are formed in a block shape and are screwed to the outside of the hub portion 21 along the axis L and the (four) 21 of the blade unit 2 can be locked in the wire 1 The material coupling portion 213 is coupled and positioned on the first and second positioning portions 113 and 115. The support sheet το 40 has a shaft 41 mounted on the bottom of the motor 1 and a foot 42 pivoted to the shaft 41.
114、一對應該第二端部 再如圖2及圖4所示,,當該等扇葉單元2〇之孔洞2ιι 套設在該主軸11的第一、二端部m、112上時,利用該等 連結部213與該第一、二定位部113、115之配合,可使轂 部21連結在該主軸11上,再利用該等鎖固件%螺設定位 在第一、二螺紋部114、116上,就可使得該等扇葉單元加 固定在該主軸11上,且可受該主軸n帶動而產生轉動。 且利用該第-、二定位部113、115分別位在該輛線l 的兩側,則可使得該主軸n及組配在該主軸u上的該等扇 茱早疋20、鎖固件30具有較佳之平衡配置效果。則當該馬 達10啟動時,位在該馬達10兩側的扇葉單元2〇就可產生 1296676 平衡運轉,且可降低晃動。 再士圖5、圖6及圖7所示,本發明第二實施例的主軸 U’也具有_第_端部lu,、—與該第_端部⑴,呈相反設 置的第端部112,、一對應該第-端部111,且位在-軸線L 側的第定位部113’、一對應該第二端部112,且位在該 轴線L另一側的第二定位部115,。該第一、二定位部⑴, ^壬反向^又置且是由一外周面朝該軸線乙方向凹設。而 =扇葉單元20,也各具有一套設在該主轴u,之第一、二端 〇|5 U2上的轂部21’及多數由該轂部21,向外延伸而 出的葉片22’。該轂部21,具有—可界定出—圓形孔洞2ιι, 紝土 12及δ又於该孔壁212’一側的連結部213,,該連 、口邠213具有一沿轴向延伸的套管部位叫,及一沿徑向設 ;乂套U位214上的螺孔215,,且使二以螺絲為例之鎖 :件3〇,可螺設在該等螺孔215,中並伸設至該第一、二定位 邛113、115’中。藉此,利用該鎖固件30,之鎖固定位,亦 2得該第—、二定位部113,、出,與該等連結部213,達 到連結目的,且使該馬達1〇,兩側的扇葉單 衡運轉。 以生王卞 軸二:::、第圖9…所示,本發明第三實施例之主 設置的第二端物,,、一對”第部U1”呈相反 線L-側的第一 對應6亥弟-缟部111,,且位在-軸 侦丨的弟一疋位部Η 3 ”、一對 -螺紋部m,,、一對…心弟—端部⑴”的第 一側的第〜制該弟二端部112i位在該軸線l另 疋位部115,,、一對應該第二端_ m”的第二螺 1296676 紋部116”、一設於該第一端部111”且與該第一定位部113,, 呈反向設,置的第三定位部117”及一設於該第二端部112,,且 與該第二定位部115”呈反向設置的第四定位部118 ”。該第 一、二定位部113”、115”呈反向設置且是由一外周面向外 凸出且呈柱狀,該辱三、四定位部117”、11也是呈反内 設置且呈由外周面向外凸出的柱狀,本實施例是將該第一 、二定位部113”、in”連結成一沿徑向穿過主軸u”的銷桿 ,且亦將該第二、四定位部115”、118,,連結成一沿徑向穿 過主軸11”的銷桿。而二扇葉單元2〇”也各具有一套設在該 主軸U”之第一、二端部111,,、112,,上的轂部21,,及多數由κ 該轂部21”向外延伸而出的葉片22,,。該轂部2ι,,具有一可 界定出一圓形孔洞211”的孔壁212,,及一設於該孔壁212,,一 側的連結部213”,該連結部213”具有一沿轴向延伸的套管 部位214”及設於該套管部位214,,上且沿軸向延伸的第—、 卡孔215、216,該第―、二卡孔215”、216”呈單向開 放且供該第一、三定位部113”、117,,及該第二、四定位部 μ’、m”延軸向嵌人連結。而該等鎖固件3g”是製成塊狀 且沿轴線L螺設在該轂部21 ”外側。藉此,利用該鎖固件 之鎖固定位,亦可使得該第一、三定位部⑴,,、阶及 第一、四定位部115”、118”分別與該等扇葉單元2 部213,’達到連結目的, 逆、、、口 可產生平衡運轉。 馬達1〇,兩側的扇葉單元加, 淮以上所述者’僅為本發明之較佳實施例而已, 能以此限定本發明實施之範 田不 P大凡依本發明申請專利 9 1296676 範圍及發明說明内容所作之簡 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是現有一種具有雙扇 早的等效變化與修飾,皆仍 葉之散熱風扇的組合示意圖114, a pair of second end portions, as shown in FIG. 2 and FIG. 4, when the holes 2 ι of the fan blade unit 2 are sleeved on the first and second ends m, 112 of the main shaft 11, By the cooperation of the connecting portions 213 and the first and second positioning portions 113 and 115, the hub portion 21 can be coupled to the main shaft 11, and the first and second thread portions 114 can be set by the fasteners. At 116, the blade unit can be fixed to the main shaft 11 and can be rotated by the main shaft n. And the first and second positioning portions 113 and 115 are respectively located on two sides of the line of the vehicle l, so that the main shaft n and the fans disposed on the main shaft u are 20, and the lock 30 has Better balanced configuration. Then, when the motor 10 is started, the fan unit 2〇 located on both sides of the motor 10 can generate 1296676 balanced operation and can reduce the shaking. As shown in FIG. 5, FIG. 6 and FIG. 7, the main shaft U' of the second embodiment of the present invention also has a _th end portion lu, and a first end portion 112 opposite to the first end portion (1). , a pair of first positioning portions 113' that are located at the first end portion 111 and located on the -axis L side, a pair of second positioning portions 115 that are located on the other side of the axis L, and a second positioning portion 115 that is located on the other side of the axis L ,. The first and second positioning portions (1) are reversed and are recessed by an outer peripheral surface toward the axis B. And the = blade unit 20 also has a set of hub portions 21' disposed on the first and second ends 5|5 U2 of the main shaft u, and a plurality of blades 22 extending outwardly from the hub portion 21 '. The hub portion 21 has a connecting portion 213 which can define a circular hole 2 ιι, a bauxite 12 and δ on the side of the hole wall 212', and the connecting port 213 has an axially extending sleeve. The pipe part is called, and one is arranged in the radial direction; the screw hole 215 on the U-position 214 is set, and the lock is made of the screw: the piece 3 〇 can be screwed in the screw hole 215, and extends Set to the first and second positioning ports 113, 115'. Thereby, the locking member 30 is used to lock the fixing position, and the first and second positioning portions 113 are connected to the connecting portion 213 for the purpose of connection, and the motor is twisted on both sides. Fan blade balance operation. The second end of the main arrangement of the third embodiment of the present invention, the pair of "part U1" is the first line on the opposite line L- side, as shown in Fig. 9: Corresponding to the 6th Haidi-缟部111, and the first side of the 疋 疋 Η Η Η 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一 第一The second end portion 112i of the first portion is located at the other end portion 115 of the axis l, and the second screw 1296676 pattern portion 116" of the pair of second end _m" is disposed at the first end portion 111 And the third positioning portion 117" and the first positioning portion 117" disposed opposite to the first positioning portion 113 are disposed at the second end portion 112, and are disposed opposite to the second positioning portion 115" The fourth positioning portion 118". The first and second positioning portions 113", 115" are disposed in the opposite direction and are protruded outward from a peripheral surface and have a columnar shape. The third and fourth positioning portions 117", 11 are also disposed in the opposite direction and are formed by the outer circumference. In the embodiment, the first and second positioning portions 113", in" are coupled into a pin that passes through the main shaft u" in the radial direction, and the second and fourth positioning portions 115 are also ", 118, is joined into a pin that passes through the main shaft 11" in the radial direction. The two blade units 2" each have a set of hub portions 21 disposed on the first and second ends 111, 112, 112 of the main shaft U", and a plurality of yoke portions 21" The outwardly extending blade 22, the hub portion 2i, has a hole wall 212 defining a circular hole 211", and a connecting portion 213 disposed on one side of the hole wall 212" The connecting portion 213" has an axially extending sleeve portion 214" and a first and a plurality of holes 215, 216 extending on the sleeve portion 214, extending in the axial direction, the first and second cards The holes 215", 216" are open in one direction and are provided for the first and third positioning portions 113", 117, and the second and fourth positioning portions μ', m" are axially embedded. 3g" is formed into a block shape and is screwed on the outer side of the hub portion 21" along the axis L. Thereby, by using the lock fixing position of the lock, the first and third positioning portions (1), The first and fourth positioning portions 115" and 118" respectively reach the purpose of connection with the blade unit 2, 213, ', and the reverse, and the ports can be balanced. The motor 1〇, the fan unit on both sides The above description of the present invention is only a preferred embodiment of the present invention, and it is possible to limit the scope of the present invention to the scope of the invention and the description of the invention. In the scope of coverage. [Simple description of the diagram] Figure 1 is a schematic diagram of the combination of a conventional cooling fan with two fans and an equivalent change and modification.
扇葉 圖2是一組合剖面圖,說明本發明具有平衡 電風扇的一第一較佳實施例; 主車由的雙 —圖3是本發明上述較佳實施例之—平面分解圖, —主軸兩端可分別組配一扇葉單元及—鎖固件; 圖4是沿圖2中之線4一4的一剖面圖; =是本發明之具有平衡主軸的雙扇葉電風扇—第二 車乂仏貫施例的一平面分解圖;Figure 2 is a combined cross-sectional view showing a first preferred embodiment of the present invention having a balanced electric fan; the main vehicle consisting of a double-Fig. 3 is a plan exploded view of the above preferred embodiment of the present invention, A blade unit and a locker can be respectively assembled at both ends; FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 2; = is a double-blade fan with a balanced main shaft of the present invention - the second car a planar exploded view of the application;
卞人丨土員他1歹丨J 圖7是沿圖6中之绩7 Ί ΛΑ τ〈琛7~7的一剖面圖; 圖8是本發明之具有芈 ”啕十衡主軸的雙扇葦 較佳實施例的一平面分解圖; "- 圖9是本發明第三較佳廉 平乂牷灵轭例之一組合剖面I 圖1 〇是沿圖9中之綠! Λ t Λ ^ τ之線10-10的—剖面圖。卞人丨土员他1歹丨J Fig. 7 is a cross-sectional view taken along the line 7 Ί τ τ < 琛 7~7 in Fig. 6; Fig. 8 is a double fan 本 of the present invention having a 芈"啕十衡 spindle A plan view of a preferred embodiment; "- Figure 9 is a combination of a third preferred embodiment of the present invention. Figure 1 is a green image along the line of Figure 9 Λ t Λ ^ τ Line 10-10 - section view.
及 10 1296676And 10 1296676
【主要元件符號說明】 10 ·… •…馬達 L ·"… •…軸線 11 ·♦… •…主軸 111… •…第一端部 112 .… •…第二端部 113… …·第一定位部 114… …·第一螺紋部 115… …·第二定位部 116… …·第二螺紋部 20 ·…* …·扇葉單元 21 ·…· …·轂部 211 …| …♦孔洞 212 ·… …·孔壁 213 ·.·· …·連結部 22 …*·, …·葉片 30…… …鎖固件 4〇…… …支撐單元 41…… …軸桿 42…… …腳座 10,"… …馬達 11,…·. …主轴 111,… …第一端部 112,… …第二端部 113’ . .....第一定位部 115’ * ……第二定位部 20,… ......扇葉單元 21,… ……轂部 211、 ……孔洞 212、 ……孔壁 213?, ……連結部 214,, ……套管部位 215’ · ……螺孔 22,… ……葉片 30,··. ……鎖固件 10” ·, ••…馬達 11,,… ……主轴 111” ……第一端部 112” . ……第二端部 113”, .....第一定位部 114” . •…·第一螺紋部 115” ••…第二定位部 116” . ……第二螺紋部 117” . ••…弟一疋位部 118” · •…·第四定位部 20,,*· ••…扇葉單元 21,,·. ••…轂部 1296676 2 11” … …孔洞 2 15,,… …第^—^孔 212”… …孔壁, 216,,··· …第二卡孔 213,,… …連結部 22,,…· …葉片 2 14” … …套管部位 30,,…· …鎖固件 12[Description of main component symbols] 10 ·... •...Motor L ·"... •...Axis 11 ·♦... •...Spindle 111...•...First end 112 .... •...Second end 113... First Positioning portion 114 ... first screw portion 115 ... second positioning portion 116 ... ... second thread portion 20 ... ... * ... blade unit 21 ... ... ... ... hub portion 211 ... | ... hole 212 ············································································ "...motor 11, ..... ... spindle 111, ... first end 112, ... second end 113'. ..... first positioning portion 115' * ... second positioning portion 20 , ... ... fan blade unit 21, ... ... hub portion 211, ... hole 212, ... hole wall 213?, ... joint portion 214,, ... casing portion 215' · ... screw Holes 22,.........blades 30,··.......locking fasteners 10” ·, ••...motors 11,,.........spindle 111”...first end 112”. ... ...the second end portion 113", ..... the first positioning portion 114". The first thread portion 115" • the second positioning portion 116". The second thread portion 117". ... 疋 疋 118 118 · ” 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四 第四^—^孔212”... hole wall, 216,...·...the second card hole 213,...the joint portion 22,...the blade 2 14"...the sleeve portion 30,,... Lock firmware 12