五、新型說明： 【新型所屬之技術領域】 本新型疋有關於一種驅動馬達，特別是指一種裝設於 車辅輪轂内之直流無刷式薄形輪轂驅動馬達。 【先前技術】 取的狗戰驅動馬達，大都是裝設於目仃 車或滑板車之輪較之中，所述輪較驅動馬達具有一左右水 平延伸之中心軸11、一固定軸裝於該中心軸U上之定子盤 12、多數組裝於妓子盤12上之線圈13、二個可軸轉地軸 裝於該中心軸U上並位於定子盤12左右兩側之外盤Μ、V. New description: [New technical field] The new type relates to a driving motor, in particular to a DC brushless thin-hull driving motor installed in the auxiliary wheel hub of the vehicle. [Prior Art] The dog drive motor is mostly installed in the wheel of a eye-catching vehicle or a scooter. The wheel has a central axis 11 extending horizontally from the drive motor, and a fixed shaft is mounted thereon. a stator disk 12 on the central axis U, a plurality of coils 13 assembled on the die disk 12, and two pivotable shafts mounted on the central axis U and located on the left and right sides of the stator disk 12,
Si 14間之轉子環15，及多數固定排列於轉 子衣15内周面上之磁性體16。該定子盤12之周緣 多數裝設該等線圈13之匝孔。 ^ :使料程中，通予電源至該等線圈13上以產生磁場 ，致使該轉子環15内周面之磁性體16 作用而開始旋轉，以帶動 之磁豕的 τ ㈣ 14_ 也藉由該等外盤14轉動而帶動自 動行進，亦即該給麫Θ仪早 < 輪子轉 行進之動力源穀^動馬達可作為驅動自行車或滑板車 設於述輪較驅動馬㈣製作過程中是將線圈η结 汉於該等_卜料上相#f % 體積較大，佔攄軔女夕办且成形之線圈13 體積魔大，重量也相當笨重，裝設，驅動馬達不僅 相田大，不符合現今車輛零件需要輕薄矩小 的要求。且該等線圈13產生 座生之磁通置岔度較低，於低速轉 動時，無發產生高力矩。 【新型内容】 曰因此’本新型之目的，即在提供一種整體體積較小， 重量較輕的直流無刷式薄形輪轂驅動馬達。 於疋本新型直〃11·無刷式薄形輪較驅動馬達包含：一 左右水平延伸之中心轴、m中心軸上之定子單元， 及一可轉動地轴裝於該中心軸上之轉子單元。 該定子單元具有一軸裝於中心軸上之固定盤，及多數 環狀排列地貫穿固定盤並繞一水平軸繞線之線圈。 該轉子單元具有二可軸轉地軸裝於該中心軸上並設置 於疋子單元左右兩側之轉盤、多數嵌設於該轉盤上之磁性 體，及一組裝於該等轉盤外周緣之隔環，每一轉盤具有一 朝向定子單元之組裝面，該等磁性體環狀排列地裝設於組 裝面上並與該等線圈間維持一氣隙，且每一磁性體呈片狀 並具有一罪近轉盤外周緣之外長邊、一靠近中心轴之内短 邊’及二連結於外長邊與内短邊兩端並沿該轉盤徑向延伸 之斜側邊。 本新型之功效在於藉由該等磁性體之形狀設計，以充 分利用轉盤上設置磁性體之面積，且利用該轉子單元與定 子單元間形成雙氣隙結構，可大幅提高該等線圈與該等磁 性體間之磁通量密度，以提高扭矩輸出。 【實施方式】 有關本新型之前述及其他技術内容、特點與功效，在 明5963 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。The rotor ring 15 between the Si 14 and a plurality of magnetic bodies 16 fixedly arranged on the inner peripheral surface of the rotor coat 15. Most of the circumferences of the stator disk 12 are provided with the holes of the coils 13. ^ : In the process, a power source is supplied to the coils 13 to generate a magnetic field, so that the magnetic body 16 on the inner circumferential surface of the rotor ring 15 acts to start to rotate, so that the τ (4) 14_ of the magnetic yoke is also driven by the When the outer disk 14 rotates to drive the automatic travel, that is, the power supply to the cymbal early < wheel rotation power source can be used as a driving bicycle or scooter set in the wheel than the driving horse (four) in the production process will be The coil η knot is on the same level. The volume is larger. The volume of the coil 13 is large and the weight is quite heavy. The drive motor is not only large, but also does not match Today's vehicle parts require a light and thin moment. Moreover, the coils 13 have a low magnetic flux, and when they are rotated at a low speed, no high torque is generated. [New content] 曰 Therefore, the purpose of the present invention is to provide a DC brushless thin-hull driving motor with a small overall volume and light weight. In the present invention, the new type of straight-type 11-brushless thin-wheel-shaped drive wheel includes: a central axis extending horizontally from the center, a stator unit on the m-center axis, and a rotor unit rotatably mounted on the central shaft. The stator unit has a fixed disk with a shaft mounted on the central shaft, and a plurality of coils that are annularly arranged through the fixed disk and wound around a horizontal axis. The rotor unit has two rotatable shafts mounted on the central shaft and disposed on the left and right sides of the dice unit, a plurality of magnetic bodies embedded on the rotating disc, and a spacer assembled on the outer circumference of the turntable Each turntable has an assembly surface facing the stator unit, and the magnetic bodies are annularly arranged on the assembly surface and maintain an air gap between the coils, and each of the magnetic bodies is in a sheet shape and has a sin The long side of the outer circumference of the turntable, a short side near the central axis, and two oblique sides extending from the outer long side and the inner short side and extending along the turntable. The utility model has the advantages that the shape of the magnetic body is designed to fully utilize the area of the magnetic body on the turntable, and the double air gap structure is formed between the rotor unit and the stator unit, thereby greatly improving the coils and the like. The magnetic flux density between the magnetic bodies to increase the torque output. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of a preferred embodiment of the accompanying drawings.
參閱圖2、圖3與圖4，本新型直流無刷式薄形輪毅驅 動馬達之較佳實施例適用於裝設於一滑板車3之輪轂31上 ’以推動該滑板車3之輪子32滾地行進，該直流無刷式薄 形輪轂驅動馬達包含：一左右水平延伸之中心軸4、一固定 於中心軸4上之定子單元5,及一可轉動地轴裝於該中心軸 4上之轉子單元6。 該中心軸4是水平設置於該滑板車3之兩前又桿33間 ，且呈中空狀，並可容裝電源線材，以供應電源進入至定 子單元5内。該電源線材供應定子單元5之構造非本新型 之特徵’以下就不再以圖文多做說明。 該定子單元5具有一轴裝於中心轴4上之固定盤51， 及多數環狀排列地貫穿固定盤51並繞一左右延伸之水平軸 繞線之線圈52。該固定盤51具有一盤體511、一設置於盤Referring to Figures 2, 3 and 4, the preferred embodiment of the novel DC brushless thin wheel drive motor is adapted to be mounted on a hub 31 of a scooter 3 to propel the wheel 32 of the scooter 3. The DC brushless thin hub drive motor comprises: a central axis 4 extending horizontally left and right, a stator unit 5 fixed to the central shaft 4, and a rotatably shaft mounted on the central shaft 4 Rotor unit 6. The central shaft 4 is horizontally disposed between the two front bars 33 of the scooter 3, and is hollow, and can accommodate a power cord to supply power into the stator unit 5. The configuration of the power supply wire supply stator unit 5 is not a feature of the present invention. The following description will not be repeated. The stator unit 5 has a fixed disk 51 pivotally mounted on the central shaft 4, and a plurality of coils 52 which are annularly arranged to extend through the fixed disk 51 and wound around a horizontal axis extending left and right. The fixed disk 51 has a disk body 511 and a disk
體511中^並供中’ 4軸穿之轴孔512，及多數環狀排列 於該盤體5U上之線區孔513。該等線圈52就是繞_水平 輪繞線之後裝設於該等職1 513中。本實施例中該等線 圈52分為三組’每組相互串聯以供應電源，以使該等線圈 52產生水平轴向之磁場。 該轉子單元6具有二轴裝於該中心軸4上並設置於定 子單元5左右兩側之軸承61、二套設於該轴承η上之轉盤 62、多錢設於該轉盤62上之磁性體63，及—裝設於 轉盤62外周緣間之隔環65。 ^ 5 每轉盤62具有一圓盤部621，及一嵌設於圓盤部 621上之鐵磁環625。該圓盤部621具有一朝向定子單元5 之組裝面622、一成形於組裝面622上之環凹槽623，及二 成形於圓盤部621上並連接於環凹槽623邊緣之卡嵌槽624 該鐵磁環625具有一嵌設於環凹槽⑵中之環體部心 、多數環狀排列地成形於該環體部626上之嵌磁槽627，及 二連接於環體部626邊緣並卡嵌入該卡嵌槽624中之卡塊 部 628。 該等磁性體63分別組裝於該等丧磁槽627中並與該等 線圈52間維持一氣隙64,且磁性體63是呈片狀並具有一 靠近轉盤62外周緣之外長邊631、—靠近中心轴4之内短 邊㈣，及二連結於外長邊631與内短邊⑻兩端並沿該轉 盤62徑向延伸之斜側邊633。本實施例中該磁性體Μ是呈 扇形片狀，但實際實施時亦可成形為梯形片狀。該隔環Μ 組裳於該等轉盤62外周緣間，藉以連動該等轉盤Μ轉動 〇 符队，，备 …τ义跟圈52中時，· ^線圈52產生磁場並與該轉子單元6之磁性體Μ產^ 作用’以推動該等磁性體63與轉盤62鑪么 轉動，進而連動/ 建岣板車3之輪子32滾地行進。 且最重要的是，利用該等磁性體63之扇形 梯形形狀設計可充分制轉盤62上設置料 ，増加轉子單元6整體磁場作用之面積，且該等轉盤Μ」 M395963 之磁性㈣都與該定子單元5之線圈52間維持—氣隙Μ -使：子早兀6與定子單元5間形成雙氣隙μ結構，可 幅提高該等線圈52 I### -該等磁性體63間之磁通量密度，以 於轉子早“低轉逮時具有高扭矩輸出的功效。且利用線 圈52繞線方向的改變並與片狀磁性體〇配合 少整體直流無刷式薄形輪㈣動馬達之體積， 短 小之需求The body 511 is provided with a shaft hole 512 through which the '4 axis passes, and a plurality of line hole holes 513 which are annularly arranged on the disk body 5U. The coils 52 are mounted in the job 1 513 after being wound around the _ horizontal wheel. In the present embodiment, the coils 52 are divided into three groups' each of which is connected in series to supply a power source to cause the coils 52 to generate a horizontal axial magnetic field. The rotor unit 6 has a bearing 61 which is mounted on the central shaft 4 and is disposed on the left and right sides of the stator unit 5, a turntable 62 which is disposed on the bearing n, and a magnetic body which is disposed on the turntable 62. 63, and - a spacer 65 installed between the outer circumferences of the turntable 62. ^ 5 Each turntable 62 has a disk portion 621 and a ferromagnetic ring 625 embedded in the disk portion 621. The disk portion 621 has an assembly surface 622 facing the stator unit 5, a ring groove 623 formed on the assembly surface 622, and two snap grooves formed on the disk portion 621 and connected to the edge of the ring groove 623. 624. The ferromagnetic ring 625 has a ring body portion embedded in the ring groove (2), a plurality of magnetic flux grooves 627 formed in a ring shape on the ring body portion 626, and two connected to the edge of the ring body portion 626. The card portion 628 is inserted into the card slot 624. The magnetic bodies 63 are respectively assembled in the magnetically damper grooves 627 and maintain an air gap 64 between the coils 52, and the magnetic body 63 is in the form of a sheet and has a long side 631 near the outer circumference of the turntable 62, close to The short side (4) of the central shaft 4 and the oblique side 633 which are joined to the outer long side 631 and the inner short side (8) and extend radially along the turntable 62. In the present embodiment, the magnetic body 呈 is in the form of a fan-shaped sheet, but in actual practice, it may be formed into a trapezoidal sheet shape. The spacer Μ group is disposed between the outer circumferences of the turntables 62, thereby interlocking the turntables to rotate the 〇 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The magnetic body produces a function 'to push the magnetic body 63 and the turntable 62 to rotate, and the wheels 32 of the interlocking/building board 3 are rolled. And most importantly, the fan-shaped trapezoidal shape design of the magnetic bodies 63 can fully prepare the material on the turntable 62, and add the area of the overall magnetic field of the rotor unit 6, and the magnetic (four) of the turntables M395963 and the stator The air gap 维持 between the coils 52 of the unit 5 is such that a double air gap μ structure is formed between the pre-breaker 6 and the stator unit 5, and the magnetic flux between the coils 52 I### - the magnetic bodies 63 can be increased. Density, so that the rotor has the effect of high torque output when the rotor is low-starting, and the coil winding direction is changed by the coil 52 and the integral of the DC brushless thin wheel (four) moving motor is small. Short demand
此外’由於嵌設該等磁性體63之轉盤62因 該等磁性體63與線圈52之磁通密度的f求，需要以比重 較大之導磁性材料製成，為降低轉子單it 6之重量，降低 轉動r貝里，本創作中特將該轉盤62區分為圓盤部⑵盥鐵 磁環625 ’該圓盤部621可用卫業塑膠肋合金等比重較輕 且不具鐵磁性質之材料製成，可A幅降低轉盤62 Μ 4 該鐵磁環625就利轉雜材料製成，維持導5丨磁通密度In addition, since the turntable 62 in which the magnetic bodies 63 are embedded is required to have a magnetic flux density of the magnetic bodies 63 and the coils 52, it is required to be made of a magnetic material having a large specific gravity, in order to reduce the weight of the rotor single unit 6. In the present invention, the turntable 62 is divided into a disc portion (2) a ferromagnetic ring 625'. The disc portion 621 can be made of a material having a light specific gravity and a non-ferromagnetic material such as Weiye plastic rib alloy. A, can reduce the turntable 62 Μ 4 The ferromagnetic ring 625 is made of a miscellaneous material, maintaining a 5 丨 flux density
的功能。#由上述降低轉# 62之重量京尤可降低轉子單元6 之轉動慣量，提升輸出扭矩。 且，由於該定子單元5之線圈52 1繞-水平軸繞線， 止裝於α定盤51上之工法與程序較為簡易，可大幅降低製 故成本。另該等磁性體63可由片狀之磁鐵上輕易裁切出梯 形形狀或扇形形狀，裁切後廢料量也較少，可大幅降低磁 性體63之製作成本。 另外，該轉子單元6之鐵磁環625組裝於該圓盤部 之衣凹槽623中時，該鐵磁環625之卡塊部628是卡後於 該圓盤部621之卡嵌槽624中，以於該等磁性體63受磁力 7 M395963 矩旋轉時’藉由卡塊部628抵推該圓盤部62ι轉動 圓盤部621與鐵磁環625相對轉動。 經由上述之說日月，可歸納出本創作具有以下優點： 藉由該等m體63之形狀設計，以充分利用轉盤 62上設置磁性體63 $ %接 ^ ^ 之面積，並以改變線圈52繞線方向的 方式以達到輕薄短小之需求，且利用該轉子單it 6與定子 單元5間形成雙氣隙64結構，可大幅提高該等線圈52與 該等磁性體63巧之磁通量密度，以提高扭矩輸出。 二、 將該轉盤62區分為圓盤部621與鐵磁環625，該 圓盤部621以比重較輕且不具鐵磁性質之材料製成，可大 幅降低轉盤62重量’降低轉動慣量，提升輸出扭矩。 三、 該定子單元5之線圈52與轉子單元6之該等磁性 體63製作方式簡易，組裝容易，可大幅降低製作成本。 惟以上所述者，僅為本新型之較佳實施例而已，當不 能以此限定本新型實施之範圍，即大凡依本新型申請:利 範圍及新型說明内容所作之簡單的等效變化與修飾，皆仍 屬本新型專利涵蓋之範圍内。 白 【圖式簡單說明】 圖1是習知輪轂驅動馬達之立體分解圖； 圖2是本新型直流無刷式薄形輪轂驅動馬達之較佳— 施例的使用狀態圖； 貫 圖3是該較佳實施例之立體分解圖；及 圖4是該較佳實施例之側面剖視圖。 M395963 【主要元件符號說明】 3 滑板車 621 圓盤部 31 輪毅 622 組裝面 32 輪子 623 環凹槽 33 叉桿 624 卡嵌槽 4 中心轴 625 鐵磁環 5 定子單元 626 環體部 51 固定盤 627 嵌磁槽 511 盤體 628 卡塊部 512 轴孔 63 磁性體 513 線匝孔 631 外長邊 52 線圈 632 内短邊 6 轉子單元 633 斜側邊 61 軸承 64 氣隙 62 轉盤 65 隔環The function. #The weight of the above-mentioned reduction #62 can reduce the moment of inertia of the rotor unit 6 and increase the output torque. Further, since the coil 52 1 of the stator unit 5 is wound around the horizontal axis, the method and procedure for mounting on the α fixed plate 51 are relatively simple, and the manufacturing cost can be greatly reduced. Further, the magnetic bodies 63 can be easily cut out of a trapezoidal shape or a sector shape by a sheet-like magnet, and the amount of waste after cutting is also small, which can greatly reduce the manufacturing cost of the magnetic body 63. In addition, when the ferromagnetic ring 625 of the rotor unit 6 is assembled in the pocket 623 of the disc portion, the latch portion 628 of the ferromagnetic ring 625 is locked in the card slot 624 of the disc portion 621. When the magnetic body 63 is rotated by the magnetic force 7 M395963, the disk portion 628 is rotated by the slider portion 628 to rotate the disk portion 621 and the ferromagnetic ring 625 to rotate relative to each other. According to the above-mentioned saying, the present invention can be summarized as follows: The shape of the m body 63 is designed to make full use of the area of the magnetic body 63 on the turntable 62 to change the coil 52. The winding direction is required to achieve a light and short, and a double air gap 64 structure is formed between the rotor unit 6 and the stator unit 5, so that the magnetic flux density of the coils 52 and the magnetic bodies 63 can be greatly improved. Increase torque output. 2. The turntable 62 is divided into a disc portion 621 and a ferromagnetic ring 625. The disc portion 621 is made of a material having a light specific gravity and no ferromagnetic material, and can greatly reduce the weight of the turntable 62 to reduce the moment of inertia and increase the output. Torque. 3. The coils 52 of the stator unit 5 and the magnetic bodies 63 of the rotor unit 6 are easy to manufacture, easy to assemble, and can greatly reduce the manufacturing cost. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent change and modification of the novel application and the novel description. , are still within the scope of this new patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a conventional hub drive motor; Fig. 2 is a view showing a state of use of a preferred embodiment of the novel DC brushless thin hub drive motor; 3 is an exploded perspective view of the preferred embodiment; and FIG. 4 is a side cross-sectional view of the preferred embodiment. M395963 [Description of main component symbols] 3 Scooter 621 Disc section 31 Wheel 622 Assembly surface 32 Wheel 623 Ring groove 33 Fork rod 624 Insert groove 4 Center shaft 625 Ferromagnetic ring 5 Stator unit 626 Ring body 51 Fixed plate 627 Magnetic groove 511 Disk 628 Block 512 Axle hole 63 Magnetic body 513 Wire 631 631 Outer side 52 Coil 632 Inner short side 6 Rotor unit 633 Oblique side 61 Bearing 64 Air gap 62 Turntable 65 Spacer