1275853 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種鏡頭結構，特別是指一種可防塵 的鏡頭模組。 【先前技術】 如圖1所示，現有一種鏡頭模組，包含有一承座1、一 螺設在該承座1内部的鏡室單元2、一對應該鏡室單元2而 裝設在該承座1内部的影像感測器3、一與該影像感測器3 電連接的電路板4及一固設在該承座1内部且介於該鏡室 單元2與該影像感測器3之間的濾光片5。且該承座1具有 一圍繞一軸線L1並可界定出一容室1〇2的周壁1〇1，該周 壁101具有一第一端部丨〇3、一沿該轴線[丨與該第一端部 103呈相反設置的第二端部1〇4及一設於第一端部1〇3 一内 ί哀面上的螺紋部105，該容室1〇2是呈階級孔狀，並具有一 對應該第一端部103及螺紋部1〇5的小徑部1〇6、一對應該 第二端部104的大徑部1〇7及一介於該小、大徑部1〇6、 107銜接處之肩部108。該鏡室單元2沿該軸線L1螺設在 该承座ί之螺紋部1()5中，並具有一本體2〇ι &多數個安 裝在該本體201内部的鏡片202,且該影像感測器3是感測 牙透過°亥鏡至單元2的影像，且將感測之影像訊號傳送至 電路板4吏〜像感測器3所擷取之影像訊號轉換為數位訊 號及進行數位訊號處理。 曰鏡頭杈組裝配完成且欲出廠前，必須要作調整焦距 時’是利用轉動該鏡室單元2而進行調焦動作，當轉動該 1275853 、兄至單元2時，s亥鏡室單元2與該螺紋部丨〇5嗡合處會因 為摩擦刮損而產生粉塵，且粉塵掉至濾光片，上，會造成 白晝面不良。所謂的白畫面就是將鏡頭模組垂直貼放於白 色燈箱，待白平衡（White Ba〗anee)後，拍照取像，且若 有卷塵掉落在遽光片5 ’就會造成暗點的產生，且造成 白晝面不良。 曰雖然有些鏡頭模組並未在承座i内部設置濾光片5，而1275853 IX. Description of the Invention: [Technical Field] The present invention relates to a lens structure, and more particularly to a dustproof lens module. [Prior Art] As shown in FIG. 1 , a lens module includes a socket 1 , a mirror chamber unit 2 screwed inside the socket 1 , and a pair of mirror chamber units 2 mounted on the bearing unit 2 . An image sensor 3 inside the socket 1 , a circuit board 4 electrically connected to the image sensor 3 , and a circuit board 4 fixed in the interior of the socket 1 and interposed between the mirror unit 2 and the image sensor 3 Filter 5 between. And the socket 1 has a peripheral wall 〇1 surrounding an axis L1 and defining a chamber 1〇2, the peripheral wall 101 having a first end 丨〇3, a along the axis [丨 and the first The one end portion 103 is oppositely disposed, the second end portion 1〇4 and a threaded portion 105 disposed on the first end portion 1〇3, and the chamber 1〇2 is in the shape of a class hole, and A pair of small diameter portions 1〇6 corresponding to the first end portion 103 and the screw portion 1〇5, a pair of large diameter portions 1〇7 corresponding to the second end portion 104, and a small and large diameter portion 1〇6 , 107 the shoulder 108 of the junction. The mirror chamber unit 2 is screwed in the threaded portion 1 () 5 of the socket ί along the axis L1, and has a body 2 〇 ι & a plurality of lenses 202 mounted inside the body 201, and the image sense The detector 3 is for sensing the image of the tooth through the mirror to the unit 2, and transmitting the sensed image signal to the circuit board 4 to convert the image signal captured by the sensor 3 into a digital signal and performing a digital signal. deal with.曰The lens unit is assembled and ready to be adjusted. When the focus is adjusted, 'the focus is adjusted by rotating the mirror unit 2. When the 1275583 is moved to the unit 2, the s-mirror unit 2 is When the threaded portion 嗡5 is folded, dust is generated due to frictional scratching, and the dust is dropped on the filter, which may cause a bad white surface. The so-called white screen is to place the lens module vertically in the white light box. After the white balance (White Ba) ane, take a picture and take a picture, and if there is dust falling on the light sheet 5', it will cause dark spots. Produced, and caused bad white noodles.曰Although some lens modules do not have a filter 5 inside the holder i,
疋在及鏡至單兀2之一個鏡片2〇2上鍍設濾光層，但是欲 調焦而轉動鏡室單元2 _，因摩擦刮損而產生之粉塵會直 接掉落至影像感測器3±，也會造成白畫面不良的問題。 【發明内容】 口此本备明之目的，即在提供一種可有效阻止粉塵 掉落在澹光片或影像感測器上且可避免白畫面不良之可防 塵的鏡頭模組。 於是，本發明的可防塵的鏡頭模組，包含一承座、一 螺設在該承座中的鏡室單元、—安裝在該承座内部的緩衝 件及-組設在該承座中的影像感㈣$。該承座具有一圍繞 軸線並可界疋出—容室的周壁及—由該周壁朝該容室延 伸之支撐環部，該周壁具有一第一端部、一沿該軸線與該 第-端部呈相反設置的第二端部及一設於第一端部一内環 面上的螺紋部’該支撐環部是沿徑向延伸，且介於該第— 、二端部之間’並具有一鄰近該螺紋部的第一側面及—與 該第-側面呈相背設置的第二側面。該鏡室單元具有―： 該軸線螺設在該承座之螺紋部上的本體及至少—組設在： 1275853 本體内部的籍y ^ …狀^ 月。該緩衝件是以彈性材質製成環圈狀，且 女衣在4承座之容室中，並被迫緊夾設在該鏡室單元之本 體㈣支撐環部H面之間。 朴 在螺轉该鏡室單元時，即使該本體之螺紋部與 該周壁之螺紋部因摩擦刮損而產生粉塵，利用該緩衝件被 '缩斤產生的隔離作用，粉塵可有效被阻絕，可解決白畫 面不良的問題。 一 【實施方式】 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一個較佳實施例的詳細說明中，將可 清楚的呈現。 如圖2及圖3所示，分別為平面分解圖及組合剖面圖 本發明可防塵的鏡頭模組的較佳實施例，包含有一承座 10、一螺設在該承座10中的鏡室單元2〇、一安裝在該承座 10内部的緩衝件30、一固設在該承座1〇内部的濾光片 、一對應該鏡室單元20安裝在該承座10内部的影像感測 器50及一與該影像感測器50電連接的電路板6〇。 该承座10具有一圍繞一軸線L2並可界定出一容室12 的周壁11及一由該周壁11朝該容室12延伸之支揮環立卩I) 。該周壁11具有一第一端部1丨丨、一沿該軸線L2與該第一 端部111呈相反設置的第二端部112、一設於第一端部m 一内環面上的螺紋部113。該容室12具有一對應該第一端 部111及螺紋部113的小徑部121、一對應該第二端部ιι2 的大徑部122，而呈階級孔狀。該支撐環部13县w +人 疋’口垂直於 7滤The filter layer is plated on one of the lenses 2〇2 of the mirror to the single 兀2, but if the lens chamber unit 2 _ is rotated, the dust generated by the frictional scratch will fall directly to the image sensor. 3±, it will also cause problems with white screens. SUMMARY OF THE INVENTION The purpose of this invention is to provide a dustproof lens module that can effectively prevent dust from falling on a calender or image sensor and avoid white film defects. Therefore, the dust-proof lens module of the present invention comprises a socket, a mirror chamber unit screwed in the socket, a buffer member mounted inside the socket, and a set in the socket. Image sense (4) $. The socket has a peripheral wall surrounding the axis and being detachable - and a support ring extending from the peripheral wall toward the chamber, the peripheral wall having a first end, a first end along the axis and the first end a second end portion disposed oppositely and a threaded portion disposed on the inner end surface of the first end portion. The support ring portion extends in a radial direction between the first end and the second end portion There is a first side adjacent to the threaded portion and a second side disposed opposite the first side. The mirror chamber unit has a body that is screwed on the threaded portion of the socket and at least - a y ^ ... shape in the body of the 1275853 body. The cushioning member is formed in a loop shape of an elastic material, and the female garment is placed in the chamber of the four-seat, and is tightly clamped between the body (four) support ring portion H of the mirror chamber unit. When the mirror unit is rotated, even if the threaded portion of the main body and the threaded portion of the peripheral wall are dusted by friction, the dust can be effectively blocked by the cushioning effect of the cushioning member. Solve the problem of poor white picture. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments. As shown in FIG. 2 and FIG. 3, a preferred embodiment of the dust-proof lens module of the present invention includes a socket 10 and a mirror chamber screwed in the socket 10. The unit 2A, a buffer member 30 mounted inside the socket 10, a filter fixed inside the socket 1 , and a pair of image sensing units 20 mounted on the socket 10 are image-sensing The device 50 and a circuit board 6 electrically connected to the image sensor 50. The socket 10 has a peripheral wall 11 surrounding an axis L2 and defining a chamber 12 and a branching ring I) extending from the peripheral wall 11 toward the chamber 12. The peripheral wall 11 has a first end portion 1 , a second end portion 112 disposed opposite to the first end portion 111 along the axis L2 , and a thread disposed on the inner end surface of the first end portion m Part 113. The chamber 12 has a pair of small diameter portions 121 corresponding to the first end portion 111 and the screw portion 113, and a pair of large diameter portions 122 corresponding to the second end portion ι2, and has a class of hole shapes. The support ring part 13 county w + person 疋' mouth perpendicular to 7
(L !275853 =線L2的徑向延伸，且恰位於該容室i2的小、大徑部 122銜接處，並具有—鄰近該螺紋部ιΐ3㈣一側面 及一與該第·側面131呈相背設置的第二侧面132。 该鏡室早元20具有一沿該軸線L2螺設在該承座之 二紋部H3上的本體21、多數個沿該軸線u組設在該本體 内部的鏡片22、一位於其中二個鏡片22之間的間隔環 及-螺設在該本體21 _端部中且使該等鏡片U獲得轴(L! 275853 = radial extension of the line L2, and located just at the junction of the small, large-diameter portion 122 of the chamber i2, and having a side adjacent to the threaded portion ι3(4) and a side opposite the first side 131 a second side 132 is provided. The mirror chamber 20 has a body 21 screwed on the two sides H3 of the socket along the axis L2, and a plurality of lenses 22 disposed inside the body along the axis u. a spacer ring and a screw disposed between the two of the lenses 22 are disposed in the end of the body 21 and allow the lenses U to obtain the shaft
向限位的壓環24 ’該本體21具有-對應該螺紋部113且設 於一外環面的螺紋部211。 α 該緩衝件30是以彈性材質（例如橡膠）製成環圈狀， ^安裝在該承座1G之容室12中，並被迫緊夾設在該鏡室 早元20之本體21與該承座1〇的支撐環部13之第一側面 13 1之間。 該濾光片40是以黏膠固設在該支撐環部13之第二側 面132上。 該影像感測器50是對應該鏡室單元2〇而設置在該容 室12的大徑部122中。 該電路板60是安裝在該承座10之第二端部112上。 且本實施例的影像感測器50可採用電荷麵合元件 (Charge couple device，CCD)，其是用以感測影像，且將感 測之影像訊號傳送至電路板60，使影像感測器5〇所擷取之 影像訊號轉換為數位訊號及進行數位訊號處理（Digitai signal process ^ DSP) 〇 再如圖3所示，當鏡頭模組整體組配完成時，操作者 1275853 藉由轉動該鏡室單元20,使該鏡室單元2〇 生線性移動以接近& # ^ 、、戈L2產 焦距目的。且像感測器5〇,即可達到調整 且該鏡至早兀20之本體21 跫 3〇產生壓縮，且藉該緩衝件 I，〜緩衝件 支揮環部u的第—侧面ηι /產㈣性變形並在該 J们弟側面131產生氣密效果， 件3^該支_P13抵接處產生—隔離作用。可在該緩衝 螺紋：;二,螺轉該鏡室單元20時，即使該本體21之The limit pressure ring 24' has a threaded portion 211 corresponding to the threaded portion 113 and provided on an outer annular surface. α The cushioning member 30 is formed in a loop shape by an elastic material (for example, rubber), is mounted in the chamber 12 of the socket 1G, and is tightly clamped to the body 21 of the mirror chamber 20 and Between the first side faces 13 1 of the support ring portion 13 of the seat. The filter 40 is fixed to the second side surface 132 of the support ring portion 13 by an adhesive. The image sensor 50 is disposed in the large diameter portion 122 of the chamber 12 corresponding to the mirror chamber unit 2''. The circuit board 60 is mounted on the second end 112 of the socket 10. The image sensor 50 of the embodiment can use a charge couple device (CCD) for sensing an image and transmitting the sensed image signal to the circuit board 60 to make the image sensor. 5) The image signal captured is converted into a digital signal and digital signal processing (Digitai signal process ^ DSP). As shown in Fig. 3, when the lens module is completely assembled, the operator 1278553 rotates the mirror. The chamber unit 20 causes the mirror chamber unit 2 to linearly move to approach the &#^, and Go L2 focal lengths. And like the sensor 5 〇, the adjustment can be achieved and the mirror 21 跫 3 〇 produces compression, and the buffer member I, the buffer member circulates the first side η of the ring u / (4) Sexual deformation and the airtight effect is produced on the side 131 of the J brother, and the piece 3_ the joint of the branch _P13 produces an isolation effect. In the buffer thread:; 2, when the mirror unit 20 is screwed, even if the body 21
塵二丨一亥周壁11之螺紋部113因摩擦到損而產生於 塵，但利用該緩衝件3〇所產生 生叔 被阻絕，而不會沿著⑽u “離仙’粉塵就可有效 Μ 者周壁11的内環面掉落至該濾光片40上 利用該緩衝件30本身之材質特性而具有反彈性处 ，即使該鏡頭模組在強烈震動 月b _ 1 ^ ^ J以確保隔離作用 ，可以防止粉塵掉落至濾光片40上。 再者，該支撐環部13除了可提供該緩衝件3〇抵止定 位外’更具有區隔小徑·"21與大徑部122的功效，且可 進一步阻、絕粉塵由小徑冑121掉落至大徑部122中，因此 ’本裔明之鏡頭模組可避免白晝面不良的問題發生。 #值传—提的是，即使有些鏡頭模組並未在承座10内部 設置濾光片4〇’而是在該鏡室單元2G其中—個鏡片22上 鑛設濾、光層，但是利用緩衝件3G的設置，仍可避免粉塵直 接掉落至影像感測器5。上，且也可防止白畫面不良。又， 雖然上述實_的鏡頭模組配置有影像感測器5G及電路板 60而可進行數位式拍攝，但本發明之鏡頭模組亦可搭配 般底片，進行傳統式拍攝，同樣利用該緩衝件川的設置 1275853 ，亦可阻隔粉塵。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是現有一種鏡頭模組之組合剖面示意圖； 圖2是一平面分解圖，說明本發明可防塵的鏡頭模組 —較佳實施例；及 圖3是本發明上述較佳實施例之一組合剖面圖，說明 緩衝件被夾制在一鏡室單元與一支撐環部之間而產生阻 絶作用。 10 1275853The threaded portion 113 of the dust wall 周 亥 周 周 周 产生 产生 产生 产生 产生 产生 产生 113 113 113 113 113 113 113 113 113 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹 螺纹The inner annular surface of the peripheral wall 11 is dropped onto the filter 40 and has a repulsive property by utilizing the material properties of the buffer member 30. Even if the lens module is strongly vibrated at a monthly b _ 1 ^ ^ J to ensure isolation, The dust can be prevented from falling onto the filter 40. Further, the support ring portion 13 can provide the function of the smaller diameter and the large diameter portion 122, in addition to the cushion member 3, which can be positioned to resist the positioning. Moreover, the dust can be further blocked and dropped from the small diameter 胄121 to the large diameter portion 122. Therefore, the lens module of the present invention can avoid the problem of bad white surface. #值传—Is it even if there are some lenses The module does not have a filter 4〇 inside the socket 10, but a filter and a light layer are arranged on the lens 22 of the mirror unit 2G, but the dust can be directly prevented by the setting of the buffer 3G. Dropped onto the image sensor 5. It also prevents white images from being bad. However, the lens module of the above embodiment is provided with an image sensor 5G and a circuit board 60 for digital shooting. However, the lens module of the present invention can also be used with a conventional film for traditional shooting, and the buffer device is also used. The arrangement of 1275853 can also block the dust. 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, according to the scope of the patent application and the description of the invention. The simple equivalent changes and modifications are still within the scope of the present invention. [Simplified Schematic] FIG. 1 is a schematic cross-sectional view of a conventional lens module; FIG. 2 is a plan exploded view illustrating the present invention. Dust-proof lens module - preferred embodiment; and Figure 3 is a cross-sectional view of one of the above preferred embodiments of the present invention, illustrating that the cushion member is sandwiched between a mirror unit and a support ring to create a resistance Absolute effect. 10 1275853
【主要元件符號說明】 10"** …-承座 132 * ……第二側面 L2 •… …·軸線 20… ......鏡室單元 11..... …·周壁 21… ……本體 111… •…第一端部 211 * ......螺紋部 112… ，…第二端部 22… ……鏡片 113… —螺紋部 23… ......間隔環 12 "… ♦…容室 24… ……壓環 121… 小徑部 30… ......緩衝件 122… •…大徑部 40… .....•濾光片 13…… 支撑環部 50… ……影像感測器 131… *…第一側面 60… ……電路板[Description of main component symbols] 10"** ...-bearing 132 * ......second side L2 •... axis 20... Mirror chamber unit 11........ peripheral wall 21... ... body 111... • first end 211 * ... threaded portion 112..., second end 22... lens 113... threaded portion 23... spacer ring 12 " ;... ♦... chamber 24... ...... pressure ring 121... small diameter portion 30... ...... cushioning member 122... • large diameter portion 40... ..... filter panel 13... support ring Part 50... Image sensor 131... *...First side 60......... Board