200825494 '* 九、發明說明： 【發明所屬之技術領域】 B 本發明係涉及一種嵌入式對焦鏡頭結構，尤係涉 及一種適用於具有照相功能之電子産品之嵌入式對 焦鏡頭結構。 【先前技術】 隨著科學技術和現代工業之不斷發展，攜帶型數 ， 碼相機、照相手機等具有照相功能之電子産品已得到 廣泛的應用，故該等電子產品中，其執行照相對焦功 能之對焦鏡頭結構之品質亦越來越受到業者的關注。 目前業界提出了一種兩段式對焦鏡頭結構，這種 兩段式對焦鏡頭結構可在一遠焦點及一近焦點之間 往復運動，以實現兩定點對焦。通常，該兩段式對焦 鏡頭結構包括呈中空筒狀之一鏡筒及固定於該鏡筒 内之一鏡頭，該鏡筒之外周固定有一永久磁鐵，並於 、 永久磁鐵之上方及下方分別設置兩個線圈。當這兩個 線圈通以不同方向之電流時，其中一線圈産生對永久 磁鐵之吸引力，另一線圈則産生對永久磁鐵之排斥 力，綜合起來則共同促使永久磁鐵帶動鏡筒及鏡頭往 遠焦點或者近焦點移動，從而實現在兩個定點對焦。 然而，上述兩段式對焦鏡頭結構中，通常鏡頭固 定於鏡筒後，即不能再依實現組裝調配之需要再進行 微調。同時，兩段式對焦鏡頭結構由於只能在兩個定 7 200825494 點進行對焦，無法實現精確對焦並獲得令人滿意之成 . 像解析效果，需加以改進。 【發明内容】 有鑒於此，有必要提供一種能實現精確對焦且可 對鏡頭進行微調固定之嵌入式對焦鏡頭結構。 一種嵌入式對焦鏡頭結構，包括定子、設於定子 内之轉子、容置於轉子内之鏡筒及與該鏡筒相配合之 鏡頭，該鏡頭於其外表面上設有外螺紋，該轉子於其 内表面上設有内螺紋，該鏡筒於其内表面與外表面上 分別設有内螺紋及外螺紋，該鏡筒之内螺紋與鏡頭上 之外螺紋相配合以對鏡頭進行微調固定，該鏡筒之外 螺紋與轉子上之内螺紋相配合以實現鏡頭之伸縮移 動0 一種嵌入式對焦鏡頭結構，包括殼體、步進馬 達、鏡筒、鏡頭及蓋體，該步進馬達收容在該殼體内， 該鏡筒收容在該步進馬達内，該鏡頭收容在鏡筒内， 該步進馬達與鏡筒之間設有相互配合之驅動螺紋結 構，該鏡筒與鏡頭之間設有相互配合之裝配螺紋結 構，該蓋體設置在鏡頭上，該鏡筒與蓋體之間設有限 制鏡筒轉動之導引結構，該鏡筒與鏡頭藉由該裝配螺 紋結構相互裝配結合在一起，該步進馬達藉由該驅動 螺紋結構驅動該鏡筒及鏡頭一起在所述導引結構之 導引下作軸向之伸縮對焦運動。 與習知技術相比，上述嵌入式對焦鏡頭結構中， 8 200825494 該鏡筒上設有内螺紋及外螺紋之雙if办 入承双結構，一方面 彳由轉子上之内螺紋驅動豸筒上之外螺紋實現上述 : _自動精力能’獲得令人滿意之成像解析 效果，另-方面鏡筒上之内螺紋與鏡頭上之外螺纹相 配合，可承載及固定鏡頭，同時在鏡頭組裝後仍可對 鏡頭依組裝調配之需要再進行微調固& J u疋，從而便於組 裝，減少組裝工序與成本。 【實施方式】 r 圖1至圖5所示爲本發明喪入式對焦鏡頭結構一 較佳實施例之結構示意圖’該喪入式對焦鏡頭結構包 括一電路板11、設於電路板11上之一座體17、容置於 座體17内之馬達12、容置於馬達12内之鏡筒14、與該 鏡筒14相配合之鏡頭15及蓋設於該鏡頭Μ上之蓋體 16。該馬達12爲步進馬達’其包括定子組12〇及設於 定子組120内之轉子130,該鏡筒14置於該轉子130内。 該電路板11上設有與電路板11電連接之影像感測 器112，該影像感測器112可爲電荷耦合器（Charge Coupled Device，CCD)影像感測器，亦可爲互補金屬 氧化物半導體（Complementary Metal-Oxide Semiconductor，CMOS)影像感測器，在對焦鏡頭結構 工作過程中，藉由影像感測器112感測影像之清晰度， 電路板11控制電流達到對焦功能。 該座體17設於電路板1；[上，該座體17包括一内圓 外方之基座171、由該基座171周緣向上延伸形成之一 9 200825494 殼體172及置於該殼體172内並架設於該基座171上之 支撐架173。如圖2所示，該殼體172亦呈内圓外方之 筒狀，其可作爲嵌入式對焦鏡頭結構之外殼，該殼體 172四角各設有一開口 175，該基座171四角對應上述 開口 175各設有一凹槽176。該支撐架173包括一呈圓 環狀之本體177及環繞該本體177之四支撐肋178，該 專支撐肋178與上述凹槽176—一對應。該本體177包 括向上凸出之一環狀之突出部179、於其底端之内緣 向内延伸形成之内凸緣180及於其底端之外緣向外延 伸形成之外凸緣181，該突出部179、内凸緣180及外 凸緣181分別用於承載定子組120、轉子130及鏡筒 14。該本體177之外徑稍小於殼體172之内徑，該本體 177置於該殼體172内，其支撐肋178沿著殼體172四角 之開口 175伸出並卡制於基座171之凹槽176内，以將 支撐架173定位。另，該支撐架173可與基座171、殼 體172—體成型。 該定子組120置於該座體17内，其包括一定子套 筒121及容置於該定子套筒121内之一定子122，該定 子套筒121呈筒狀，其下端對應座體17之開口 175設有 兩出線孔123，該定子122亦呈筒狀，其内部形成玎容 置轉子130之柱狀空間，該定子122之内環面設有複數 極齒124，所述極齒124可決定步進馬達12之步進角 度，該定子122之外表面則設有軸向纏繞於該定子U2 上之線圈125 (如圖5所示），該線圈125之線頭穿過該 200825494 定子套筒121之出線孔123及該座體11之開口 175並纏 繞於支禮肋178上，以便於與電路板11電連接。 該轉子130容置於該定子122之柱狀空間内，其包 括一圓環柱狀之永久磁石131，該磁石131可爲氧化鐵 磁石（Ferrite)、鈥鐵硼磁石（NdFeB)等，其設於該支撐 架173之本體177之上，該磁石131靠近該本體177之一 端設有驅動套環133，如圖3所示，該驅動套環133亦 呈中空圓環狀，其上端之外表面設置一台階部134， 該磁石131之底端卡置於該台階部134内，以使該驅動 套環133與該磁石131形成爲一體，該驅動套環133之 内壁設有驅動鏡頭15運動之驅動内螺紋136。該磁石 131罪近該蓋體16之一端設有一圓環狀之保護層 138，該保護層138可由耐磨材料製成，其可防止磁石 131在旋轉過程中與蓋體16摩擦碰撞而損壞。 該鏡筒14設於該磁石131内，該鏡筒14亦呈圓環 柱狀，其外径稍小於該磁石之内徑，且該鏡筒14 之上、下端在軸向上均伸出於該磁石131之外，該鏡 筒14之上端即靠近蓋體16之端部上設有複數沿其圓 周方向等距間隔設置之狹槽143，該鏡筒14之下端設 置於該支撐架173之内凸緣18〇上，其外表面於靠近底 端之位置設有與驅動套環133之内螺紋136相螺合之 驅動外螺紋146，從而確保鏡頭15之伸縮移動，而鏡 筒14之内表面於靠近底端之位置則設有裝配内螺紋 148，以用於與鏡頭15組合。 11 200825494 該鏡頭15呈圓柱狀，其置於該鏡筒14内，該鏡頭 15上對應設有與該鏡筒14上之裝配内螺紋148相螺合 之裝配外螺紋158，以便於該鏡頭15在組裝後，還可 藉由相配合之裝配内螺紋148與裝配外螺紋158實現 鏡頭15之微調固定。 該蓋體16蓋設於該鏡頭15上，其呈環狀，該蓋體 16之内徑與鏡頭15之外徑大致相等，該蓋體16之中間 沿圓周方向向下衝壓形成一凸環162，該凸環162抵靠 於該轉子130之磁石131之保護層138上，以限制該磁 石131作軸向運動，該蓋體16之内緣上沖設有複數向 内彎折形成之導引部163，該等導引部163亦沿蓋體16 内緣之圓周方向等距間隔設置，並與該鏡筒14上之狹 槽143相配合，以限制該鏡筒14及鏡頭15作圓周方向 之轉動，這樣可使鏡頭15精確對位，避免晃動。 組裝時，該鏡頭15之裝配外螺紋158與該鏡筒14 之裝配内螺紋148相配合，旋轉進入該鏡筒14内，從 而使鏡頭15在組裝後可藉由相互配合之螺紋結構實 現微調固定；該鏡筒14之驅動外螺紋146與轉子130之 驅動内螺紋136相互螺合，可確保鏡頭15之伸縮移 動；該定子組120置於該座體17内，該轉子130設於該 定子組120之定子122内，其中定子122、驅動套環133 與鏡筒14分別置於該支撐架173之外凸緣181、突出部 179與内凸緣180上；該蓋體16蓋設於該鏡頭15上，並 使該蓋體16之凸環162抵頂轉子130之磁石131之保護 12 200825494 層138，該導引部163與鏡筒14之狹槽143相配合；該 座體17置於該電路板11上。200825494 '* IX. Description of the invention: [Technical field to which the invention pertains] B The present invention relates to an embedded focus lens structure, and more particularly to an embedded focus lens structure suitable for use in an electronic product having a camera function. [Prior Art] With the continuous development of science and technology and modern industry, electronic products with camera functions such as portable digital cameras, code cameras, and camera phones have been widely used. Therefore, in these electronic products, they perform camera focusing functions. The quality of the focus lens structure is also receiving more and more attention from the industry. At present, the industry has proposed a two-stage focusing lens structure. The two-stage focusing lens structure can reciprocate between a far focus and a near focus to achieve two fixed focus. Generally, the two-stage focusing lens structure comprises a lens barrel in a hollow cylindrical shape and a lens fixed in the lens barrel, and a permanent magnet is fixed on the outer circumference of the lens barrel, and is respectively disposed above and below the permanent magnet. Two coils. When the two coils are energized in different directions, one of the coils generates an attractive force to the permanent magnets, and the other coil generates a repulsive force to the permanent magnets, which together cause the permanent magnets to drive the barrel and the lens farther. Focus or near focus shifts to achieve focus at two fixed points. However, in the above two-stage focusing lens structure, usually after the lens is fixed to the lens barrel, it is no longer possible to perform fine adjustment according to the need for assembly and assembly. At the same time, the two-stage focus lens structure can only achieve precise focus and achieve satisfactory results because it can only focus on two fixed points of 200825494. Like the analysis effect, it needs to be improved. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide an embedded focus lens structure that can achieve precise focusing and can finely adjust the lens. An embedded focus lens structure includes a stator, a rotor disposed in the stator, a lens barrel housed in the rotor, and a lens matched with the lens barrel, the lens having external threads on an outer surface thereof, the rotor being The inner surface is provided with internal threads, and the lens barrel is respectively provided with internal threads and external threads on the inner surface and the outer surface thereof, and the internal threads of the lens barrel cooperate with the external threads on the lens to finely adjust the lens. The external thread of the lens barrel cooperates with the internal thread on the rotor to realize the telescopic movement of the lens. 0 An embedded focus lens structure includes a casing, a stepping motor, a lens barrel, a lens and a cover body, and the stepping motor is accommodated in In the housing, the lens barrel is received in the stepping motor, and the lens is received in the lens barrel. The stepping motor and the lens barrel are provided with a matching driving thread structure, and the lens barrel is disposed between the lens barrel and the lens barrel. The cover body is disposed on the lens, and a guiding structure for restricting rotation of the lens barrel is disposed between the lens barrel and the cover body, and the lens barrel and the lens are assembled and coupled to each other by the assembly screw structure. together The stepping motor drives the lens barrel and the lens together to perform an axial telescopic focusing motion under the guidance of the guiding structure by the driving screw structure. Compared with the prior art, in the above-mentioned embedded focus lens structure, 8 200825494, the lens barrel is provided with a double-input and double-entry structure of internal thread and external thread, and on the one hand, the internal thread of the rotor is driven on the cylinder. The external thread realizes the above: _Automatic energy can' obtain satisfactory imaging analysis effect, and the internal thread on the lens barrel cooperates with the external thread on the lens to carry and fix the lens, and still after the lens is assembled The lens can be fine-tuned and adjusted to meet the needs of assembly, which facilitates assembly and reduces assembly process and cost. [Embodiment] r FIG. 1 to FIG. 5 are schematic diagrams showing a structure of a structure of a funnel-type focus lens according to a preferred embodiment of the present invention. The structure of the fun-in focus lens includes a circuit board 11 and is disposed on the circuit board 11. The body 17 is a motor 12 housed in the base body 17, a lens barrel 14 housed in the motor 12, a lens 15 matched with the lens barrel 14, and a cover body 16 which is disposed on the lens barrel. The motor 12 is a stepper motor' which includes a stator assembly 12 and a rotor 130 disposed within the stator assembly 120, the lens barrel 14 being disposed within the rotor 130. The circuit board 11 is provided with an image sensor 112 electrically connected to the circuit board 11. The image sensor 112 can be a charge coupled device (CCD) image sensor or a complementary metal oxide. A semiconductor (Complementary Metal-Oxide Semiconductor) image sensor detects the sharpness of the image by the image sensor 112 during the operation of the focus lens structure, and the circuit board 11 controls the current to reach the focus function. The base body 17 is disposed on the circuit board 1; [Upper, the base body 17 includes a base 171 which is outside the inner circle, and extends upward from the periphery of the base 171 to form a housing 172 and a housing 172. A support frame 173 is mounted on the base 171. As shown in FIG. 2, the housing 172 is also in the shape of a cylindrical outer cylinder, which can be used as an outer casing of the embedded focus lens structure. Each of the four corners of the housing 172 is provided with an opening 175, and the four corners of the base 171 correspond to the opening. Each of the 175s is provided with a recess 176. The support frame 173 includes a body 177 having a circular shape and four support ribs 178 surrounding the body 177. The dedicated support rib 178 corresponds to the groove 176. The body 177 includes an annular protrusion 179 protruding upwardly, an inner flange 180 extending inwardly from an inner edge of the bottom end thereof, and an outer flange extending outwardly at an outer edge thereof to form an outer flange 181. The protruding portion 179, the inner flange 180, and the outer flange 181 are used to carry the stator assembly 120, the rotor 130, and the lens barrel 14, respectively. The outer diameter of the body 177 is slightly smaller than the inner diameter of the housing 172. The body 177 is disposed in the housing 172, and the supporting ribs 178 extend along the opening 175 of the four corners of the housing 172 and are recessed in the recess of the base 171. Inside the slot 176 to position the support frame 173. In addition, the support frame 173 can be integrally formed with the base 171 and the housing 172. The stator assembly 120 is disposed in the base body 17 and includes a stator sleeve 121 and a stator 122 received in the stator sleeve 121. The stator sleeve 121 has a cylindrical shape, and the lower end corresponds to the base body 17 The opening 175 is provided with two outlet holes 123. The stator 122 is also cylindrical. The inside of the stator 122 is formed with a columnar space for accommodating the rotor 130. The inner ring surface of the stator 122 is provided with a plurality of pole teeth 124. The pole teeth 124 are provided. The stepping angle of the stepping motor 12 can be determined. The outer surface of the stator 122 is provided with a coil 125 (shown in FIG. 5) axially wound on the stator U2, and the wire head of the coil 125 passes through the 200825494 stator. The outlet hole 123 of the sleeve 121 and the opening 175 of the base 11 are wound around the support rib 178 to be electrically connected to the circuit board 11. The rotor 130 is received in the columnar space of the stator 122, and includes a ring-shaped permanent magnet 131. The magnet 131 may be ferrite, neodymium iron boron magnet (NdFeB), etc. On the body 177 of the support frame 173, the magnet 131 is provided with a driving collar 133 near one end of the body 177. As shown in FIG. 3, the driving collar 133 is also in the form of a hollow ring with an outer surface. A step portion 134 is disposed. The bottom end of the magnet 131 is inserted into the step portion 134 such that the driving collar 133 is integrally formed with the magnet 131. The inner wall of the driving collar 133 is provided with a driving lens 15 for movement. The internal thread 136 is driven. The magnet 131 is provided with an annular protective layer 138 near one end of the cover body 16, and the protective layer 138 can be made of a wear-resistant material, which prevents the magnet 131 from being damaged by frictional collision with the cover body 16 during the rotation. The lens barrel 14 is disposed in the magnet 131. The lens barrel 14 is also in the shape of a circular cylinder. The outer diameter of the lens barrel 14 is slightly smaller than the inner diameter of the magnet, and the upper and lower ends of the lens barrel 14 extend in the axial direction. In addition to the magnet 131, the upper end of the lens barrel 14, that is, the end portion adjacent to the cover body 16, is provided with a plurality of slots 143 which are equally spaced along the circumferential direction thereof. The lower end of the lens barrel 14 is disposed within the support frame 173. The outer surface of the flange 18 is provided with a driving external thread 146 screwed to the inner thread 136 of the driving collar 133 at a position close to the bottom end, thereby ensuring the telescopic movement of the lens 15, and the inner surface of the lens barrel 14 Mounting internal threads 148 are provided adjacent the bottom end for combination with the lens 15. 11 200825494 The lens 15 is cylindrical and placed in the lens barrel 14. The lens 15 is provided with an external thread 158 which is screwed with the internal thread 148 of the lens barrel 14 to facilitate the lens 15 . After assembly, the fine adjustment of the lens 15 can also be achieved by mating the assembled internal threads 148 and the assembled external threads 158. The cover 16 is disposed on the lens 15 and has an annular shape. The inner diameter of the cover 16 is substantially equal to the outer diameter of the lens 15. The middle of the cover 16 is punched downward in the circumferential direction to form a convex ring 162. The convex ring 162 abuts against the protective layer 138 of the magnet 131 of the rotor 130 to restrict the axial movement of the magnet 131. The inner edge of the cover 16 is punched with a plurality of inwardly bent guides. The guiding portion 163 is also equidistantly spaced along the circumferential direction of the inner edge of the cover 16 and cooperates with the slot 143 of the lens barrel 14 to limit the circumference of the lens barrel 14 and the lens 15 Rotate so that the lens 15 can be accurately aligned to avoid swaying. When assembled, the external thread 158 of the lens 15 cooperates with the internal thread 148 of the lens barrel 14 and rotates into the lens barrel 14 so that the lens 15 can be finely adjusted by the interfitting thread structure after assembly. The driving external thread 146 of the lens barrel 14 and the driving internal thread 136 of the rotor 130 are screwed together to ensure the telescopic movement of the lens 15; the stator assembly 120 is placed in the seat body 17, and the rotor 130 is disposed in the stator group The stator 122, the driving sleeve 133 and the lens barrel 14 are respectively disposed on the outer flange 181, the protruding portion 179 and the inner flange 180 of the supporting frame 173; the cover 16 is covered by the lens 15 , and the convex ring 162 of the cover 16 is pressed against the magnet 131 of the rotor 130 to protect the layer 12 200825494 138, the guiding portion 163 cooperates with the slot 143 of the lens barrel 14; the seat body 17 is placed On the circuit board 11.
如圖6所示，工作時，定子組12〇之線圈125接通 電源後，藉由線圈125與轉子130之磁石131之磁場作 用，驅動轉子130繞其軸線旋轉，然後藉由轉子130之 驅動套環133與鏡筒14相螺合之驅動螺紋結構，在該 蓋體16之導引部163之限制與導引作用下，將轉子130 之轉動轉化爲鏡筒14與鏡頭15之轴向運動，使鏡筒14 與鏡頭15之上端伸縮於蓋體16内外，並藉由影像感測 器112感測影像之清晰度，使電路板n控制通過線圈 125之電流，並配合步進馬達12之步進角度，實現自 動對焦之功能。 上述嵌入式對焦鏡頭結構中，該鏡筒14上設有驅 動外螺紋146與裝配内螺紋148之雙螺紋結構，一方面 可由轉子13G之驅動内螺紋136與鏡筒14之驅動外螺 紋146相配合，藉由影像感測器⑴感測影像之清晰度 精確控制對线戦構之練，實現±魏頭Μ自動 精確對焦之魏，獲得令人滿意之絲解析效果.另 —方面鏡筒14之裝配内螺、紋⑽與鏡頭15之裝配 f158相螺合，可承載及蚊鏡肋，同時在鏡頭15 組裝後仍可對鏡㈣依組裝調配之需要再進 固定，從而便於組裝’減少㈣卫序與成本 地 解決了鏡頭組裝之微_題以及祕之 題也 綜上所述’本發明符合發明專利之要件法 13 200825494 ·， 提出專利申請。惟以上所述者僅為本發明之較佳實施 例，舉凡熟悉本案技藝之人士，在爰依本發明精神所 作之等效修飾或變化，皆應涵蓋於以下之申請專利範 ^ 圍内。 【圖式簡單說明】 圖1爲本發明嵌入式對焦鏡頭結構較佳實施例之 立體分解圖。 圖2爲圖1所示嵌入式對焦鏡頭結構之座體之分 / 解圖。 圖3爲圖1所示嵌入式對焦鏡頭結構中之轉子與 鏡筒結合之立體剖視圖。 圖4爲圖1所示嵌入式對焦鏡頭結構之立體組裝 圖。 圖5爲圖4所示嵌入式對焦鏡頭結構之剖視圖。 圖6爲圖4所示嵌入式對焦鏡頭結構之工作狀態 剖面示意圖。 【主要元件符號說明】 電路板 11 影像感測器 112 馬達 12 定子組 120 定子套筒 121 定子 122 出線孔 123 極齒 124 線圈 125 轉子 130 永久磁石 131 驅動套環 133 台階部 134 驅動内螺紋 136 14 200825494 保護層 138 狹槽 143 裝配内螺紋 148 裝配外螺紋 158 凸環 162 座體 17 殼體 172 開口 175 支撐肋 178 内凸緣 180 鏡阂 14 驅動外螺紋 146 鏡頭 15 蓋體 16 導引部 163 基座 171 支撐架 173 凹槽 176 突出部 179 外凸緣 181 15As shown in FIG. 6, in operation, after the coil 125 of the stator set 12 is turned on, the rotor 130 is rotated about its axis by the magnetic field of the coil 125 and the magnet 131 of the rotor 130, and then driven by the rotor 130. The driving thread structure of the collar 133 and the lens barrel 14 is rotated, and the rotation of the rotor 130 is converted into the axial movement of the lens barrel 14 and the lens 15 under the restriction and guidance of the guiding portion 163 of the cover body 16. The upper end of the lens barrel 14 and the lens 15 are telescoped inside and outside the cover body 16, and the image sensor 112 senses the sharpness of the image, so that the circuit board n controls the current passing through the coil 125, and cooperates with the stepping motor 12. Step angle to achieve auto focus. In the above-mentioned embedded focus lens structure, the lens barrel 14 is provided with a double-threaded structure for driving the external thread 146 and the assembled internal thread 148. On the one hand, the internal thread 136 of the rotor 13G can be matched with the driving external thread 146 of the lens barrel 14. The image sensor (1) senses the sharpness of the image to accurately control the practice of the line structure, and realizes the automatic precision focusing of the Wei Μ ,, and obtains a satisfactory silk analysis effect. The other aspect of the lens barrel 14 The inner screw and the pattern (10) are screwed together with the assembly f158 of the lens 15 to carry the mosquito mirror ribs. At the same time, after the lens 15 is assembled, the mirror (4) can be re-fixed according to the assembly and assembly, thereby facilitating the assembly of the 'reduction (four) guard The order and the cost of solving the lens assembly micro-question and the secret problem are also summarized in the above-mentioned invention in accordance with the requirements of the invention patent 13 200825494 ·, filed a patent application. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art of the present invention should be included in the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective exploded view of a preferred embodiment of an embedded focus lens structure of the present invention. 2 is a diagram of the division/resolution of the body of the embedded focus lens structure shown in FIG. 1. 3 is a perspective cross-sectional view showing the combination of the rotor and the lens barrel in the structure of the embedded focus lens shown in FIG. 1. 4 is a perspective assembled view of the structure of the embedded focus lens shown in FIG. 1. Figure 5 is a cross-sectional view showing the structure of the embedded focus lens shown in Figure 4. Fig. 6 is a cross-sectional view showing the working state of the embedded focus lens structure shown in Fig. 4. [Main component symbol description] Circuit board 11 Image sensor 112 Motor 12 Stator group 120 Stator sleeve 121 Stator 122 Outlet hole 123 Teeth 124 Coil 125 Rotor 130 Permanent magnet 131 Drive collar 133 Step 134 Drive internal thread 136 14 200825494 Protective layer 138 Slot 143 Assembly internal thread 148 Assembly external thread 158 Coil ring 162 Seat 17 Housing 172 Opening 175 Support rib 178 Inner flange 180 Mirror 14 Drive external thread 146 Lens 15 Cover 16 Guide 163 Base 171 support frame 173 groove 176 protrusion 179 outer flange 181 15