201006103 九、發明說明： 【發明所屬之技術領域】 - 本發明涉及一音圈馬達，尤其涉及一動態特性較佳之 . 音圈馬達。 【先前技術】 音圈馬達具有體積小、用電量少及價格低廉等優點， 適合作為電子產品（如數位相機、行動電話、數位攝像機 荨）中之致動斋（5青參見 Design of a voice coil motor used in β the focusing system of a digital vide〇。抓⑽，…㈣如， IEEE Transactions 〇n Volume 41，Issue 10，〇ct. 2005201006103 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention relates to a voice coil motor, and more particularly to a voice coil motor. [Prior Art] The voice coil motor has the advantages of small size, low power consumption, and low price. It is suitable for use as an actuating device in electronic products (such as digital cameras, mobile phones, digital cameras) (5 Green see Design of a voice) Coil motor used in β the focusing system of a digital vide〇. Grab (10),... (4) eg, IEEE Transactions 〇n Volume 41, Issue 10, 〇ct. 2005
Page(s):3979 - 3981 ) 〇 常見之音圈馬達主要包括一兩端開口之固定架及一可 活動地裝設於該固定架内之兩端開口之活動裝筒、一彈片 及二於承載該固定架、活動裝筒及彈片之且與該固定架相 固疋之承載體。該活動裝筒用來裝設鏡頭模組中之鏡筒或 ❹變焦鏡片等元件。該彈片具有一板體，該板體之中央開設 有一通孔，該板體具有一遠離該通孔、且圍繞該通孔之外 側固疋4 近該通孔、且圍繞該通孔之内側連接部及 位於射卜侧固定部與該内側連接部之間兩個彈力部，該外 二固：#與。亥固疋架靠近該承載體之端部固接為一體，該 :連接部與該活動裝筒靠近該承載體之端部固接為- 6 201006103 j疋距離，進而實現對焦或變焦之功能。 =之音圈馬達中活動褒筒之—端具有四個定位柱， 個疋位柱與彈片之内側連接部上之定位孔相配合，以 J 2活動f筒與該彈片之内側連接部固接為-體。同時， 1疋位柱還有-預壓功能，該預壓功能使得組裝後之處於 2使用狀態之音圈馬達之彈片之外侧固定部與内側連接部 處於=同之平面内，以致該彈片之彈力部具有一回復力， 以使付該音圈馬達不論如何放置，其初始位置均不會改變。 、於組裝之過程中，通常會於定位柱與定位孔之間點膠 以將彈片之内側連接部與該活動裝筒之一端固接。惟，如 果點路過私控制不當，或膠固化過程不完全，均會導致部 刀膠i出進而使得原本沒有黏結於一起之活動裝筒之定 位柱與承載體黏結為一體，最終導致對線圈通以特定電流 時，該活動裝筒並不能移動與該電流相對 應之距離，即， ❹該音圈馬達之動態特性較差。 【發明内容】 有鑒於此，提供一動態特性較佳之音圈馬達實為必要。 一音圈馬達，其包括一兩端開口之固定裝組，一活動 地收容於該固定裝組内之兩端開口之活動裝筒，一與該固 定裝組之一端相固接之承載體及一彈片，該活動裝筒靠近 S亥承载體之端部具有至少兩個第一定位柱，該彈片具有一 板體，該板體之中央設有一通孔，該板體設有與該第一定 位柱配合使用之第一定位孔，該第一定位柱穿過該第一定 7 201006103 位孔且藉由點膠方式與該第—定位孔固接，以使該彈片之 •内，與該活動裝筒相固接，該板體遠離該通孔之部分與該 固疋裝、、且#近，亥承載體之端部相固接，該活動裝筒靠近該 '承載體之端部進一步具有至少兩個與該第一定位柱間隔設 置之預磨柱，該預壓柱沿平行於該活動裝筒之中心轴方向 之長度大於該第一定位柱沿平行於該活動裝筒之中心軸方 向之長度’ 4預壓柱穿過該彈片抵接於該承載體。 ❹ 與先刖技術相比，本發明實施例所提供之活動裝筒之 第一定位柱與預壓柱係間隔設置之，且第一定位柱沿平行 於活動裝筒中心軸方向之長度小於定位柱沿平行於活動裝 筒中心軸方向之長度，而膠僅點於第一定位柱與第一定位 之門gp使有。卩分膠溢出，亦不會使得預I柱上有膠， 故’，活動裝筒之預壓柱不會與承載體相黏结，同時，與 第一定位柱藉由膠合黏結相固接之彈片亦不會與承載體相 黏結，從而使得對該音圈馬達之線圈通以特定電流時，該 ❹音圈馬達之活動裝筒會移動相應之距離，即該音圈馬達之 動態特性較佳。 【實施方式】 請一併參閱圖1、圖2及圖3,其為本發明實施例所提 供之音圈馬達10。該音圈馬達1〇包括：外殼2〇、一兩端 開口之固定裝組30、一活動地收容於該固定裝組3〇内之活 動裝組40、兩個分別位於該固定裝組3〇之兩端之彈片％ 及與該固定裝組3〇固接為一體之承載體6〇。 該外殼20用於消除外部電磁對該音圈馬達1〇之干擾 201006103 並防止該a圈馬達1Q之電磁影響其外部電子元件之工作。 »亥外；λ 20可藉由鎳鐵合金、導電塑膠、表面導電材料、導 f玻璃等磁遮罩材料製成。該外殼20具有-底板22、兩個 设置於底板22相對兩側之第一側板24及兩個設置於底板 之另外相對兩侧之第二側板26。該底板、兩個第一侧 板24及兩個第二侧板％形成一用來容置固定裝組川之容 置工間。δ亥底板22之幾何中心開設一通孔222，用於光線 穿過該底板22。 Φ 以口疋裝，、且3〇具有一固定架32及四塊裝設於固定架 32中之磁鐵34。該固定架32係―呈正方體筒狀之架體。 該f定架32之四個方形側壁圍成-第-容置腔321，該第 -谷置腔321用來收容活動裝組4〇。兩兩側壁之相交處形 成一棱323 ’從而使得該固^架32具有四條棱323。該固 定架32之四條棱323沿固定架32令心軸方向向固定架32 之底部延伸形成四個第―定/留― 疋位早兀324,向固定架32之頂 =伸形成四個第-定位單i 324。該第—定位單元似 將固定架32與彈片50定位。本實施例中，該第一定 位早·元324為定位柱。 „當然’該第一定位單元324亦可為定位孔，該第一定 位早7G 324之個數亦可為兩個、三個或更多個。 可理解’該第一定位單元324亦可單獨成型，再藉由 黏結、螺接等其他固接方法與固定架％ _ 同樣還可理解，該固定架32亦可沒有第—定位單U24。 該活動裝組4〇活動地裝設於固定裝組30之第一容置 9 201006103 腔321中。該活動裝組4〇具有一活動裝筒4i及繞於該活 動裝简41外壁之線圈42。該活動裝筒41為一具有大致呈 圓形之第二容置腔412之方形結構。該第二容置腔412用 來收容鏡頭模組。該第二容置腔412之側壁沿平行於活動 裝筒41之令心軸方向延伸形成八個預壓柱413。該八個預 壓柱413中，四個等間隔地分佈於活動裝筒41之頂部，四 個等間隔地分佈於活動裝筒41之底部，用來穿過彈片5〇 與承載體60相接觸。該預壓柱413附近還設有預壓柱 413 行、且與預壓柱413間隔設置之第-定位柱、414，該 第疋位柱414用來將該活動裝筒41與平板彈片5〇定位。 其中’該第-^位柱414沿平行於活動裝筒41之中心轴方 向之長度小於顏柱413沿平行於活動裝筒41之中 向之县磨。 ，選地’本實施财，該活動裝筒41之每_端之四個 疋位柱414等間隔地分佈於活動裝 ❹ ，理解’該預壓柱413、第一定位柱心可面二成 里’再猎由膠合黏結、㈣等其_接方法與活動 ^ 體。同樣還可理解，該預壓柱413之個數: 兩個或三個或更多個。該第一定位柱41=為 個或三個或更多個。 健㈣為兩 當然，該第-定位柱414還可分佈於活動展 一鸲之端面之其他位置。 之母 該彈片50具有一方形平板51。該 開設有一通孔51。，該通孔510使得光線可穿過該平:中:: 201006103 «亥平板51 δ史有四個圍繞該通孔51〇之彈力部μ。 該平板51之位於該四個彈力部5 3與通孔$}之間之部 刀口又有四個與该第一定位柱414相配合使用之第一定位孔 ⑷該第-定位孔54藉由點膠方法與第—定位柱414膠 合，從而使得彈片50與活動裝筒41固接為一體。^ 該平板51之位於該四個彈力部53與通孔51之間之部 分還，有四個與該活動裝筒41之預壓柱413相配合使用之 H^55肖預壓單①55貫穿平板51，以使該預壓柱 413可精由預壓單元55穿過平板Μ與承載體60相接觸。 本實施例中，該預壓單元55為開口朝向通孔51〇、且 與通孔510相連通之凹口。當然、，該預壓單元^亦可為中 〜軸與通孔510之中心軸相平行之通孔。 ’’、、 ❹ 該平板51之位於該四個彈力部53之外側、且遠離 ，一5=之部分開設有四個與第—定位單元似配合使用之 :m56。該第二定位孔56與第一定位單元324相配 A u疋架32疋位並固疋。為了防止與固定架 口疋不牛，可於該第二定位孔56與第一定位單元324 之間點膠，亦可將該平板51之位於該四個彈力部53 =分藉由膠合黏結之方法與固定架32之底部及頂部之 梭固接。 可理解’該音圈馬達10亦可只有—彈片5()，此時該 片50位於固定架32靠近承載體⑽之一端。 … 當然，該兩個彈片50之彈力部53之形狀可不同。 當然，該彈片50亦可具有與外部電路相連之導接端子。 11 201006103 該承載體60呈方形，與外殼20構成一隔離盒70。該 隔離盒70可用於消除外部電磁對該音圈馬達1〇之干擾並 防止該音圈馬達1〇之電磁影響其外部電子元件之工作。 邊承載體60具有一與該活動裝筒41之預壓柱413相 接觸之中央設有通孔之表面6〇1。該承載體6〇還具有四個 與固定架32之第一定位單元324相配合使用第二定位單元 6〇2，以將該承載體6〇與該固定架32固接為一體，以使組 裝好之處於非使用狀態下之彈片50對應於活動裴筒41之 部分與彈片50位元於固定架32及活動裝筒41之間之部分 分別處於不同平面内。本實施例中，該第二定位軍元観 為定位凹槽。當然，該第二定位單元6〇2亦可 定位柱。 4 月二閱圖4，其為發明第二實施例所提供之音圈馬達 ▲圖，不）之固定裝組30a，其與固定裝組30之區別在於： =固定裝組3〇a具有一固定裝筒瓜及四塊裝設於固定裝 S 3=中之方形磁鐵34a ’該固定裝筒32a係一呈正方體筒 筒體，具有四個方形侧壁3〇la，每一側壁3〇la均具有 兩f相對之且平行之第一側壁端® 303a及第二侧壁端面 一 第二側壁端面303a向第二側壁端面3〇5&凹陷形成 鑛：之第三容置腔3〇7a，該第三容置腔3G7a用來收容磁 =且該第三容置腔307a沒有穿透第二側壁端面3〇5a。 二*、、'，忒第二容置腔3〇7a亦可穿透第二侧壁端面3〇5a。 二然，該磁鐵34a亦可吸附於固定裝筒32a之内壁上。 θ參閱圖5’其為本發明第三實施例所提供之音圈馬達 12 201006103 ' (圖未示）之彈片50a，其與彈片50之區別在於：彈片50a 之板體5U為圓形，該板體51a具有一通孔5ΐ〇&，該板體 .51a圍繞該通孔510a設有兩個彈力部53a，該板體5U之位 .於該兩個彈力冑5 3 a與該通孔51 〇 a之間之部分設有兩個等 間隔分佈之m孔54a及三個等間隔分佈之預壓單元 55a。當^ ’此時之音圈馬達之活動農筒相應之為圓形，且 該活動農筒之第一定位柱及預壓柱之數量分別與該第一定 ❹，孔54a及預壓單元55a之數量相同，位置分別與該第一 疋位孔54a及預壓單元55a之位置相對應。 ^ 、、示上所述，本發明確已符合發明專利之要件，遂依法 $出專利申請。惟，以上所述者料本發明之較佳實施方 工蓺自不此以此限制本案之申請專利範圍。舉凡熟悉本案 技β之人士援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】 參圖1係本發明第—實施财之音圈馬達之立體示意圖。 圖2係圖1沿II-II線之剖示圖。 圖3係本發明第—實施例之中音圈馬達之分解圖，其 包括固定裝、组、活動裝筒及彈月。 咅圖4係本發明第二實施例中音圈馬達之固定裝組之示 思圖。 圖5係本發明第三實施例中音圈馬達之彈片之示意圖。 L主要元件符號說明】 13 201006103Page(s): 3979 - 3981) 〇 The common voice coil motor mainly includes a fixed frame with two open ends and a movable loading tube, a shrapnel and two movable openings that are movably mounted at both ends of the fixed frame. A carrier that carries the fixing frame, the movable loading tube and the elastic piece and is fixed to the fixing frame. The movable barrel is used to mount components such as a lens barrel or a zoom lens in the lens module. The elastic piece has a plate body, and a through hole is defined in the center of the plate body. The plate body has a through hole and a through hole around the outer side of the through hole, and is connected around the inner side of the through hole. a portion and two elastic portions between the projection side fixing portion and the inner connecting portion, the outer two solids: # and. The end portion of the sturdy truss is fixedly integrated with the end of the carrier, and the connecting portion and the end of the movable cylinder are fixed to a distance of - 6 201006103 j ,, thereby achieving the function of focusing or zooming. = The ring of the movable ring in the motor of the voice coil has four positioning posts, and the clamping posts cooperate with the positioning holes on the inner connecting portion of the elastic piece, and the J 2 movable f barrel is fixed to the inner connecting portion of the elastic piece For the body. At the same time, the 1st position post also has a pre-pressing function, so that the outer side fixing portion and the inner side connecting portion of the shrapnel of the voice coil motor in the assembled state are in the same plane, so that the shrapnel is The spring portion has a restoring force so that the initial position of the voice coil motor does not change regardless of how it is placed. During the assembly process, a glue is usually dispensed between the positioning post and the positioning hole to fix the inner connecting portion of the elastic piece to one end of the movable charging tube. However, if the control of the road is not properly controlled, or the curing process of the glue is incomplete, the part of the knife will be released, and the positioning column of the movable tube which is not bonded together will be bonded to the carrier, eventually leading to the coil. At a certain current, the movable barrel cannot move the distance corresponding to the current, that is, the dynamic characteristics of the voice coil motor are poor. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a voice coil motor with better dynamic characteristics. a voice coil motor comprising a fixed assembly with two ends open, a movable cartridge that is movably received at both ends of the fixed assembly, and a carrier that is fixed to one end of the fixed assembly and a spring piece having at least two first positioning posts near the end of the S-carrying body, the elastic piece has a plate body, and a center of the plate body is provided with a through hole, and the plate body is provided with the first a first positioning hole is used in conjunction with the positioning post, the first positioning post passes through the first fixed hole 7 201006103 and is fixed to the first positioning hole by dispensing, so that the elastic piece is inside and The movable cylinder is fixedly connected, and the portion of the plate body away from the through hole is fixed to the end of the solid carrier, and the end of the sea carrier, and the movable cylinder is further adjacent to the end of the carrier. Having at least two pre-grinding columns spaced apart from the first positioning post, the length of the pre-pressing column in a direction parallel to a central axis of the movable loading cylinder is greater than a central axis parallel to the movable positioning cylinder of the first positioning post The length of the direction ' 4 pre-pressed column passes through the elastic piece to abut the carrier.第一 Compared with the prior art, the first positioning column and the pre-pressing column of the movable loading tube provided by the embodiment of the present invention are spaced apart, and the length of the first positioning column is parallel to the central axis of the movable loading tube is smaller than the positioning. The column is along a length parallel to the central axis of the movable package, and the glue is only located at the first positioning post and the first positioning door gp. The 卩 卩 溢出 , , , , , , 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预 预The carrier of the voice coil motor is moved by a corresponding distance, that is, the dynamic characteristics of the voice coil motor are better. [Embodiment] Please refer to Fig. 1, Fig. 2 and Fig. 3 together, which is a voice coil motor 10 provided in an embodiment of the invention. The voice coil motor 1 includes a housing 2〇, a fixed assembly 30 having two open ends, and a movable assembly 40 movably received in the fixed assembly 3, and two of the fixed assembly 3 are respectively located. The elastic piece at both ends and the carrier 6 〇 which is integrally fixed with the fixed assembly 3 〇. The outer casing 20 is for eliminating external electromagnetic interference with the voice coil motor 1 201006103 and preventing the electromagnetic of the a-ring motor 1Q from affecting the operation of its external electronic components. »Outside the sea; λ 20 can be made of magnetic mask materials such as nickel-iron alloy, conductive plastic, surface conductive material, and conductive glass. The outer casing 20 has a bottom plate 22, two first side plates 24 disposed on opposite sides of the bottom plate 22, and two second side plates 26 disposed on opposite sides of the bottom plate. The bottom plate, the two first side panels 24, and the two second side panels are each formed with a mounting space for receiving the fixed assembly. A geometrical center of the δH bottom plate 22 defines a through hole 222 for light to pass through the bottom plate 22. Φ is installed in the mouth, and has a fixing frame 32 and four magnets 34 mounted in the fixing frame 32. The holder 32 is a frame having a rectangular tubular shape. The four square side walls of the f-frame 32 enclose a -first-receiving cavity 321 for receiving the movable assembly 4. The intersection of the two side walls forms an rib 323' such that the holder 32 has four ribs 323. The four ribs 323 of the fixing frame 32 extend along the fixing frame 32 to the bottom of the fixing frame 32 to form four first-fixing/remaining-inch positions 324, and the top of the fixing frame 32 is formed to form four - Positioning single i 324. The first positioning unit is similar to the positioning of the holder 32 and the elastic piece 50. In this embodiment, the first positioning early element 324 is a positioning post. „Of course, the first positioning unit 324 can also be a positioning hole, and the number of the first positioning early 7G 324 can also be two, three or more. It can be understood that the first positioning unit 324 can also be separate. Forming, and other fixing methods such as bonding, screwing, etc., together with the fixing frame % _ can also be understood that the fixing frame 32 can also be free of the first positioning unit U24. The movable assembly 4 is movably mounted on the fixed device. The first housing of the group 30 is 9 201006103. The movable assembly 4 has a movable loading cylinder 4i and a coil 42 around the outer wall of the movable mounting 41. The movable loading cylinder 41 has a substantially circular shape. The second accommodating cavity 412 is configured to receive the lens module. The sidewall of the second accommodating cavity 412 extends along the direction of the mandrel parallel to the movable loading cylinder 41 to form eight The pre-pressing column 413. Four of the eight pre-pressing columns 413 are equally spaced at the top of the movable loading cylinder 41, and four are equally spaced at the bottom of the movable loading cylinder 41 for passing through the elastic piece 5〇 The carrier body 60 is in contact with each other. The pre-pressing column 413 is further provided with a pre-pressing column 413 and spaced apart from the pre-pressing column 413. a first positioning post 414 is provided for positioning the movable cylinder 41 and the flat elastic piece 5〇. The 'the first positional column 414 is parallel to the central axis of the movable loading cylinder 41. The length of the column 413 is smaller than that of the column 413 which is parallel to the moving cylinder 41. The selected one is disposed at the interval of the four positions 414 of each of the movable cylinders 41 at equal intervals. Mounting, understanding 'the pre-pressing column 413, the first positioning column core can face two into the 're-hunting by gluing and bonding, (four) and other methods and activities. Also understand that the pre-pressing column 413 Number: two or three or more. The first positioning column 41 = one or three or more. Health (four) is two, of course, the first positioning column 414 can also be distributed in the event exhibition The other end of the end face. The spring piece 50 has a square flat plate 51. The opening has a through hole 51. The through hole 510 allows light to pass through the flat: Medium:: 201006103 «Hai Tablet 51 δ history has four The elastic portion μ surrounding the through hole 51. The flat surface of the flat plate 51 between the four elastic portions 53 and the through hole $} has four The first positioning hole 414 is used in conjunction with the first positioning hole (4). The first positioning hole 54 is glued to the first positioning post 414 by a dispensing method, so that the elastic piece 50 and the movable loading tube 41 are fixedly integrated. The portion of the flat plate 51 between the four elastic portions 53 and the through hole 51 further has four H^55 squeezing sheets 155 for use with the preloading column 413 of the movable loading tube 41, and the flat plate 51 is inserted. In this embodiment, the pre-pressing unit 413 is in contact with the carrier 60 through the pre-pressing unit 55. In the embodiment, the pre-pressing unit 55 is open to the through hole 51〇 and communicates with the through hole 510. The notch. Of course, the pre-pressing unit ^ may also be a through-hole parallel to the central axis of the through-axis and the through-hole 510. The flat plate 51 is located on the outer side of the four elastic portions 53 and is away from each other, and a portion of the fifth portion is provided with four m56s for use in conjunction with the first positioning unit: m56. The second positioning hole 56 is matched with the first positioning unit 324, and the A truss 32 is clamped and fixed. In order to prevent the mouth from being fixed to the holder, the second positioning hole 56 and the first positioning unit 324 may be glued, or the four elastic portions 53 of the plate 51 may be glued and bonded. The method is fixed to the bottom and top shuttle of the holder 32. It will be understood that the voice coil motor 10 may also be only - the elastic piece 5 (), at which time the piece 50 is located at one end of the holder 32 near the carrier (10). ... Of course, the shape of the elastic portion 53 of the two elastic pieces 50 may be different. Of course, the elastic piece 50 can also have a conductive terminal connected to an external circuit. 11 201006103 The carrier 60 is square and forms a spacer 70 with the outer casing 20. The spacer 70 can be used to eliminate the interference of external electromagnetics to the voice coil motor 1 and prevent the electromagnetics of the voice coil motor 1 from affecting the operation of its external electronic components. The side carrier 60 has a surface 6〇1 having a through hole in the center in contact with the pre-pressing post 413 of the movable cylinder 41. The carrier body 6〇 further has four second positioning units 6〇2 in cooperation with the first positioning unit 324 of the fixing frame 32, so as to fix the carrier body 6〇 and the fixing frame 32 integrally for assembly. For example, the portion of the elastic piece 50 in the non-use state corresponding to the movable cylinder 41 and the portion of the elastic piece 50 between the fixed frame 32 and the movable loading tube 41 are respectively in different planes. In this embodiment, the second positioning armature is a positioning groove. Of course, the second positioning unit 6〇2 can also position the column. FIG. 4 is a second embodiment of the voice coil motor provided in the second embodiment of the invention, which is different from the fixed assembly 30. The fixed mounting group 3 has a The fixed charging cylinder and the four square magnets 34a installed in the fixed device S 3 = 'the fixed charging cylinder 32a is a square tubular body having four square side walls 3〇la, each side wall 3〇la The first side wall end 303a and the second side wall end surface 303a of the second side wall end face 303a are opposite to the second side wall end face 3〇5& recessed to form a third accommodating cavity 3〇7a, The third accommodating cavity 3G7a is for receiving the magnetic== and the third accommodating cavity 307a does not penetrate the second sidewall end face 3〇5a. The second *, ', 忒 second accommodating cavity 3 〇 7a can also penetrate the second side wall end face 3 〇 5a. Secondly, the magnet 34a can also be adsorbed on the inner wall of the fixed barrel 32a. θ is a shrapnel 50a of a voice coil motor 12 201006103 ' (not shown) according to a third embodiment of the present invention, which is different from the elastic piece 50 in that the plate 5U of the elastic piece 50a is circular. The plate body 51a has a through hole 5ΐ〇&, the plate body .51a is provided with two elastic portions 53a around the through hole 510a, and the plate body 5U is located at the two elastic ports 5 3 a and the through hole 51. The portion between the 〇a is provided with two equally spaced m holes 54a and three equally spaced preloading units 55a. When the 'active ring of the voice coil motor is correspondingly rounded, and the number of the first positioning post and the pre-pressing column of the movable agricultural cylinder is respectively corresponding to the first fixed, the hole 54a and the pre-pressing unit 55a The number is the same, and the positions correspond to the positions of the first clamping hole 54a and the pre-pressing unit 55a, respectively. ^,, stated above, the present invention has indeed met the requirements of the invention patent, and the patent application is stipulated in accordance with the law. However, the above-mentioned preferred embodiments of the present invention are not intended to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by those skilled in the art of the present invention in accordance with the spirit of the present invention are intended to be included in the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a voice coil motor of the first embodiment of the present invention. Figure 2 is a cross-sectional view taken along line II-II of Figure 1. Figure 3 is an exploded view of the voice coil motor of the first embodiment of the present invention, including a fixed assembly, a set, a movable loading cylinder, and a spring. Fig. 4 is a view showing the fixing assembly of the voice coil motor in the second embodiment of the present invention. Figure 5 is a schematic view showing a shrapnel of a voice coil motor in a third embodiment of the present invention. L main component symbol description] 13 201006103
音圈馬達 10 外殼 20 底板 22 第一側板 24 第二側板 26 固定裝組 30 、 30a 固定架 32 第一容置腔 321 棱 323 第一定位單元 324 磁鐵 34 、 34a 活動裝組 40 活動裝筒 41 第二容置腔 412 預壓柱 413 第一定位柱 414 線圈 42 彈片 50 、 50a 通孔 222、510 平板 51 、 51a 彈力部 53 ' 53a 第一定位孔 54 、 54a 預壓單元 55 ' 55a 510a 14 201006103 第二定位孔 56 承載體 60 表面 601 第二定位單元 602 固定裝筒 32a 側壁 301a 第一側壁端面 303a 第二側壁端面 305a 第三容置腔 307a 隔離盒 70 ❹ 15Voice coil motor 10 Housing 20 Base plate 22 First side plate 24 Second side plate 26 Fixing assembly 30, 30a Fixing frame 32 First accommodating cavity 321 Edge 323 First positioning unit 324 Magnet 34, 34a Moving assembly 40 Moving cylinder 41 Second accommodating cavity 412 Pre-pressing column 413 First positioning post 414 Coil 42 Spring 50, 50a Through hole 222, 510 Flat plate 51, 51a Elastic portion 53' 53a First positioning hole 54, 54a Pre-pressing unit 55 ' 55a 510a 14 201006103 Second positioning hole 56 Carrier 60 Surface 601 Second positioning unit 602 Fixing cylinder 32a Side wall 301a First side wall end surface 303a Second side wall end surface 305a Third accommodating cavity 307a Isolation box 70 ❹ 15