M343827 八、新型說明： 【新型所屬之技術領域】 本創作係一種鏡頭，尤其是關於一種可變隹一 ^鏡頭。 【先前技術】 ’交焦光學鏡頭是一種焦距在特定範圍内可以連續地微 化’並且保持像面位置不動以及成像品質清晰的光學系 統。基本上，其利用一組以上的透鏡組沿著該變焦光學鏡 頭的光軸方向移動，由於焦距改變，成像之倍率也隨之改 變。 請麥考第五圖，其係為一變焦鏡頭（90)的局部剖面側 視圖其包含一鏡頭殼體（92)、一活動設於該鏡頭殼體（Q2) 内部的鏡片組件（94)、一導桿（95)以及一螺桿（96)。其中， 該導桿（95)以及該螺桿（96)與該鏡頭殼體（92)之軸向平行， 該鏡片組件（94)分別活動套設該導桿（95)以及該螺桿（96)， 其中’該鏡片組件（94)與該螺桿（96)套設之局部可設有内 螺紋，當該螺桿（96)受到一步進馬達（未標示於圖中）帶動 而轉動時，該鏡片組件（94)則對著該鏡頭殼體（92)前後移 動’達到調整該變焦鏡頭之焦距的目的。 然而’當前述的變焦鏡頭（90)内設有多組可以活動的 鏡片組件（94)時，各鏡片組件（94)必須搭配一組導桿（95)以 及螺桿（96)，該内部的結構更顯複雜，導致活動機構之配 置位置設計困難！而且，以導桿（95)以及螺桿（96)的滑設 方式’讓鏡片組件（94)活動時，可能會有移動不順以及輕 4 M343827 微晃動的問題^。 【新型内容】 為了解決既有之變焦鏡頭内部結構設計稍顯複雜且、'舌 動機構之配置位置設計困難的問冑，本創作㈣環狀活動 輪的方式’取代傳統設計之導桿以及螺桿，以達成大為巧 化變焦鏡頭的活動機構之設計目的。 θ 本創作提供一種變焦鏡頭，其包含： 一鏡筒本體，其為兩端開放的筒體，其包含一光機結 合部以及一鏡片結合部分別設於該鏡筒本體之兩端； 一移動調整模組，其包含： 座體，其呈環狀，其一第一端沿該鏡筒本體之 軸向插設固定於該鏡筒本體的該鏡片結合部；以及 一驅動裝置，其表面局部固定於該座體，其包含 一齒輪； 一鏡片組件，其包含： 一鏡片座’其呈環狀，其沿該座體之軸向插設於 該座體，其一外環面表面局部設有一螺紋面；以及 一鏡片組，其固定設於該鏡片座而於該鏡片座之 軸心；以及 一轉動環，其可轉動套設於該座體，其一内環面設有 一内螺紋面與該鏡片座之螺紋面嚙合，其一外環面設有一 外嵩紋面與該齒輪對應嚙合，使該驅動裝置轉動該齒輪 時’其帶動該轉動環轉動而帶動該鏡片座對該座體沿軸向 5 M343827 方向移動。 其中’該總# 立 X欠…、鏡頭進一步包含一固定件，該固定件 局部軸向固定％』 心仟之 μ # — ;該座體之一第二端，以限制卡合該轉動严 於該座體上。 得動％ 其中： 該座體之—》— —弟二端軸向凹設複數個卡制槽； 該鏡片座> _ y丨 < 一 ％側面凸設複數個凸片，每一凸片 Λ個4卡制槽對應套合，且每一凸片的一環側壁呈Ώ 弧狀並設有該螺紋面，·以及 "0 體之軸H裝置固定設於該座體表面，其一轉動軸與該座 订’且该齒輪套設於該轉動軸上。 其中： 該座體包含三個等間隔設置之卡制槽；以及 該鏡片座包含三個分別與該三個卡制槽對應之凸片。 =中，該固定件呈環狀’其外徑略大於該轉動環，复 表面固定設於該座體之第二端表面。 ^ 藉此，本創作透過該驅動裝置轉 Βί 付勒巧轉動％，而該轉 動衣則帶動該鏡片座對該座體移動 .,動而可移動鏡片組。由 於本創作之結構簡單，且省略先俞 ^技術之渴桿、導桿等必 要权叶，同時解決移動結構使用時 的。 + L固及精簡設計的目 【貫施方式】 其為本創作之變 晴參考第一圖、第二圖以及第三圖 M343827 焦鏡頭的較佳實施例，其包含一鏡筒本體（1 〇)、一移動調 整杈組（2 0)、一鏡片組件（3〇)、一轉動環（4〇)以及一固定件 (50) 〇 該鏡筒本體（1 0)為兩端開放之筒體，其包含一光機結 合部（12)以及一鏡片結合部（14)。該光機結合部（12)係作為 與一相機、數位錄影機（Digital Video)等裝置的光學機構 結合之介面。 該移動調整模組（20)包含一座體（22)以及一固定於該 座體（22)之驅動裝置（24)，該座體（22)呈環狀，其一第一端 (222)與泫鏡頭結合部（14)軸向插設固定，其可以緊配套 合、螺合或鎖合…等方式固定於該鏡頭結合部（14)。該座 體（22)之一第二端（224)軸向凹設複數個卡制槽（226)，本 較佳貝施例包含二個寻間隔分離且分別呈矩形的卡制槽 (226)〇 該驅動裝置（24)包含一驅動裝置本體（242)、一轉動軸 心（243)以及一齒輪（244)，該驅動裝置本體（242)固定設於 該座體（22)的一外環面表面，使該轉動軸心（243)與該座體 (22)之轴心平行，且其位置與其中之一個該卡制槽（226)對 應。該齒輪（244)固定套設於該轉動轴心（243)，其中，本 較佳實施例之驅動裝置（24)為一步進馬達。 該鏡片組件（30)包含一鏡片座（32)以及一鏡片組（34)， 該鏡片座（32)係呈環狀，其活動插設於該座體（22)内部， 其包含複數個凸片（322)，每一凸片（322)之戴面外形與該 卡制槽（226)對應，並於該鏡片座（32)***該座體（22)内 7 M343827 後，卡合於一個該卡制槽（226)内。本較佳實施例之鏡片座 (322)包含三片凸片（322)分別活動卡設於三個卡制槽（226) 内。另外，每一凸片（322)之一環側壁呈圓弧狀並設有一凸 片螺紋面（3222)。 該鏡片組（34)軸向插設固定於鏡片座（32)内。 該轉動環（40)可轉動套設於該座體（22)接近該第二端 (224)處，其包含一内螺紋面（42)以及一外齒紋面（44)，該 内螺紋面（42)係設於該轉動環（40)之一内環側壁，且該内 螺紋面（42)與該凸片（322)之凸片螺紋面（3222)對應套合； 該外齒紋面（44)則與該齒輪（244)對應嚙合。當該齒輪（244) 受該驅動裝置本體（242)之驅動而轉動時，其帶動該轉動環 (40)對該座體（22)轉動，而轉動之該轉動環（40)則帶動該鏡 片座（32)對該座體（22)沿軸向方向移動，因此，透過調整 該轉動環（40)之順時針或逆時針旋轉，即可控制該鏡片座 (32)之位置，亦即改變該鏡片組（34)相對於該鏡筒本體（1 0) 之位置，如第四圖所示。 該固定件（50)則固定設於該座體（22)之該第二端 (224)，其呈環狀，其夕卜徑略大於該轉動環（40)之内徑，以 防止該轉動環（40)於轉動過程由該第二端（224)而自該座體 (22)脫落。 【圖式簡單說明】 第一圖為本創作較佳實施例之分解圖。 第二圖為本創作較佳實施例之立體圖。 8 M343827 第三圖為本創作較佳實施例之局部剖面側視圖。 第四圖為本創作較佳實施例之使用示意圖。 第五圖為既有之變焦鏡頭局部剖面放大示意圖。 【主要元件符號說明】 (10)鏡筒本體 (12)光機結合部 (14)鏡片結合部 (20)移動調整模組 (22)座體 (222)第一端 (224)第二端 (226)卡制槽 (24)驅動裝置 (242) 驅動裝置本體 (243) 轉動軸心 (244) 齒輪 (30)鏡片組件 (32)鏡片座 (322)凸片 (3222)凸片螺紋面 (34)鏡片組 (40)轉動環 (42)内螺紋面 M343827 (44)外齒紋面 (50)固定件 (90)變焦鏡頭 (92)鏡頭殼體 (94) 鏡片組件 (95) 導桿 (96) 螺桿M343827 VIII. New Description: [New Technology Field] This creation is a kind of lens, especially about a variable lens. [Prior Art] The 'focusing optical lens is an optical system in which the focal length can be continuously refined in a specific range' and the image plane position is kept fixed and the image quality is clear. Basically, it uses a group of more than one lens group to move along the optical axis direction of the zoom optical lens, and the magnification of the image changes as the focal length changes. A fifth cross-sectional view of a zoom lens (90) includes a lens housing (92), a lens assembly (94) movably disposed inside the lens housing (Q2), A guide rod (95) and a screw (96). Wherein, the guiding rod (95) and the screw (96) are parallel to the axial direction of the lens housing (92), and the lens assembly (94) is respectively sleeved with the guiding rod (95) and the screw (96). Wherein the portion of the lens assembly (94) and the screw (96) can be internally threaded, and when the screw (96) is rotated by a stepping motor (not shown), the lens assembly ( 94) The lens housing (92) is moved back and forth to achieve the purpose of adjusting the focal length of the zoom lens. However, when a plurality of sets of movable lens assemblies (94) are provided in the aforementioned zoom lens (90), each lens assembly (94) must be combined with a set of guide rods (95) and a screw (96), the internal structure More complicated, resulting in difficulty in designing the location of the active organization! Moreover, when the lens assembly (94) is moved by the sliding means of the guide bar (95) and the screw (96), there may be a problem that the movement is not smooth and the light is weak. [New content] In order to solve the problem that the internal structure design of the existing zoom lens is slightly complicated and the design position of the tongue movement mechanism is difficult, this creation (4) the way of the circular movable wheel replaces the guide rod and the screw of the traditional design. In order to achieve the design goal of the active mechanism of the lens lens. θ The present invention provides a zoom lens, comprising: a lens barrel body, which is a cylinder body open at both ends, and includes a light machine joint portion and a lens joint portion respectively disposed at two ends of the lens barrel body; The adjusting module comprises: a seat body having an annular shape, a first end of which is inserted into the lens joint portion of the lens barrel body along an axial direction of the lens barrel body; and a driving device having a surface portion thereof Fixed to the base body, comprising a gear; a lens assembly comprising: a lens holder's annular shape, which is inserted into the base body along the axial direction of the base body, and an outer annular surface is partially disposed a lens surface; and a lens group fixed to the lens holder and at the axis of the lens holder; and a rotating ring rotatably sleeved on the base body, wherein an inner ring surface is provided with an internal thread surface Engaging with the threaded surface of the lens holder, an outer annular surface is provided with an outer ridge surface corresponding to the gear, so that when the driving device rotates the gear, the driving device rotates the rotating ring to drive the lens holder to the seat body. Move in the direction of 5 M343827 in the axial direction. Wherein the 'the total #立立X owes..., the lens further comprises a fixing member, the fixing member is partially axially fixed % 仟 仟 μ μ μ ; ; ; 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一 之一On the body. % of the movement: where: the seat body - "---the two ends of the two axial recesses are provided with a plurality of card slots; the lens holder > _ y 丨 < one% side convexly a plurality of tabs, each tab One of the four card slots is correspondingly sleeved, and one side wall of each of the tabs is arcuately shaped and provided with the thread surface, and the shaft H device of the body is fixedly disposed on the surface of the body, and the rotation thereof is rotated. The shaft is aligned with the seat and the gear is sleeved on the rotating shaft. Wherein: the seat body comprises three equally spaced card slots; and the lens holder comprises three tabs respectively corresponding to the three card slots. In the middle portion, the fixing member has an annular shape whose outer diameter is slightly larger than the rotating ring, and the complex surface is fixedly disposed on the second end surface of the seat body. ^ By this, the creation is rotated by the driving device, and the rotating garment drives the lens holder to move the lens holder. The movable lens group can be moved. Because the structure of the creation is simple, and the necessary thrones such as the thirst bar and the guide bar of the technique are omitted, and the use of the mobile structure is solved. + L solid and streamlined design [Practical application method] It is a preferred embodiment of the focus lens of the first, second and third figures M343827, which includes a lens barrel body (1 〇 a moving adjustment ( group (20), a lens assembly (3 〇), a rotating ring (4 〇), and a fixing member (50) 〇 the barrel body (10) is a cylinder open at both ends It comprises a optomechanical joint (12) and a lens joint (14). The optomechanical joint (12) serves as an interface to an optical mechanism of a device such as a camera or a digital video recorder. The movement adjustment module (20) comprises a body (22) and a driving device (24) fixed to the base body (22), the seat body (22) is annular, and a first end (222) thereof The lens joint portion (14) is axially inserted and fixed, and can be fixed to the lens joint portion (14) in a manner of tight fitting, screwing or locking. The second end (224) of the base body (22) is axially recessed with a plurality of clamping grooves (226), and the preferred embodiment includes two slotted slots (226) which are spaced apart and are respectively rectangular. The driving device (24) comprises a driving device body (242), a rotating shaft center (243) and a gear (244) fixed to an outer ring of the seat body (22). The surface of the surface is such that the axis of rotation (243) is parallel to the axis of the body (22) and its position corresponds to one of the clamping grooves (226). The gear (244) is fixedly sleeved on the rotating shaft center (243), wherein the driving device (24) of the preferred embodiment is a stepping motor. The lens assembly (30) includes a lens holder (32) and a lens assembly (34). The lens holder (32) is annular and is movably inserted inside the seat body (22) and includes a plurality of protrusions. a piece (322), the shape of the surface of each of the protrusions (322) corresponding to the locking groove (226), and after the lens holder (32) is inserted into the seat body (22) 7 M343827, the card is engaged with one The card slot (226) is inside. The lens holder (322) of the preferred embodiment comprises three tabs (322) which are respectively movably latched in the three clamping grooves (226). In addition, one of the side walls of each of the tabs (322) has an arcuate shape and is provided with a convex threaded surface (3222). The lens set (34) is axially inserted and fixed in the lens holder (32). The rotating ring (40) is rotatably sleeved on the base body (22) near the second end (224), and includes an internal thread surface (42) and an external tooth surface (44), the internal thread surface (42) is disposed on an inner ring side wall of the rotating ring (40), and the internal thread surface (42) is correspondingly engaged with the tab thread surface (3222) of the tab (322); the outer tooth surface (44) is meshed with the gear (244). When the gear (244) is rotated by the driving device body (242), it drives the rotating ring (40) to rotate the seat body (22), and the rotating ring (40) rotates the lens. The seat (32) moves in the axial direction of the seat body (22). Therefore, by adjusting the clockwise or counterclockwise rotation of the rotating ring (40), the position of the lens holder (32) can be controlled, that is, changed. The position of the lens group (34) relative to the barrel body (10) is as shown in the fourth figure. The fixing member (50) is fixedly disposed at the second end (224) of the seat body (22), and has an annular shape with a larger diameter than the inner diameter of the rotating ring (40) to prevent the rotation. The ring (40) is detached from the seat body (22) by the second end (224) during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is an exploded view of a preferred embodiment of the present invention. The second figure is a perspective view of a preferred embodiment of the creation. 8 M343827 The third figure is a partial cross-sectional side view of a preferred embodiment of the present invention. The fourth figure is a schematic diagram of the use of the preferred embodiment of the present invention. The fifth figure is an enlarged schematic view of a partial section of the existing zoom lens. [Description of main component symbols] (10) Lens barrel body (12) Opto-mechanical joint (14) Lens joint (20) Move adjustment module (22) Seat (222) Second end of the first end (224) ( 226) clamping groove (24) driving device (242) driving device body (243) rotating shaft center (244) gear (30) lens assembly (32) lens holder (322) tab (3222) tab thread surface (34 Lens group (40) Rotating ring (42) Internal thread surface M343827 (44) External rib surface (50) Fixing member (90) Zoom lens (92) Lens housing (94) Lens assembly (95) Guide rod (96) Screw