200829952 九、發明說明： 【發明所屬之技術領域】 本發明係有_-_微騎祕動麟，尤其是有·—種能 調整顯微勒部透鏡或鏡㈣相對位置及可變電岐之電阻值 焦傳動機構。 現對 【先前技術】 合理的光路結構和合適的照明是影響顯微鏡成像品質的兩個關鍵因 素。合理的光職射n轉健目鏡⑽無透侧的輕距離或相對 位置來達成。 光學顯微鏡-般由栽物台、聚光照明系統、物鏡，目鏡和調焦機馳 成。载物台姆峨察_。職辦觸雛機構，使 載物台作粗調和微調的升降谨叙隹 ㈣开降運動，進而使魏察物體清晰成I物鏡贿 被觀察物體，料進行触雜大«，目於齡者人眼附近，、 用來進行後段的放大。顯微鏡一般設有對焦機構，用以調節物鏡、目鏡及200829952 IX. Description of the invention: [Technical field to which the invention pertains] The present invention is characterized in that the _-_ micro-riding secret lining, in particular, has the ability to adjust the relative position of the micro-lens lens or mirror (four) and the variable electric power Resistance value focal drive mechanism. Now [Prior Art] Reasonable optical path structure and proper illumination are two key factors that affect the quality of microscope imaging. A reasonable light-emitting n-turn eyepiece (10) is achieved without the light distance or relative position of the transmissive side. The optical microscope is generally made up of a planting table, a spotlighting system, an objective lens, an eyepiece and a focusing machine. The carrier is inspector _. The employment agency touches the chicks, so that the stage can be used for rough adjustment and fine-tuning, and the movements of the Weicha object will be clearly observed as objects of the object, and it is expected to be a big object. Near the eye, used to zoom in on the back. The microscope generally has a focusing mechanism for adjusting the objective lens and the eyepiece.
載物台之間的相對距離而調節焦距。 聚光照明系統是對顯微鏡成雜能有較大影響的另一因素，亦是目于 被忽視的環節。聚光照日㈣統能提供亮度足触均㈣物面_，其發2 的光束能充分_物鏡賴的最高崎f目此，設置㈣節聚光照 明系統的調節機構能大大改善顯微鏡的成像品質。 另-方面’顯微鏡職大辨亦是制者在進行觀察時所必須得知的 資訊，因此在改變透鏡間之相對距離或相對位置而進行對焦或變倍作業 時，同時地顯示出相關的放大倍率亦為此技藝中所必須要具傷的功效。 5 200829952 頁同请於透鏡的移動及倍率的顯示（或其他相關信號的處理) ΓΓ同賴構來進行鋪縣，必轉常細。因此，本_提供-種 此•對先路結構和輸出電氣信號進行調整的機構。 【發明内容】 本發明提供一種可應用於顯微鏡對焦作業的對焦傳動機構，並包入 有：一’料-树，靖概_動；至少-_學树」 置於該鏡制岐著該軸財向岭不動；至少絲元件，設置2 該鏡筒㈣與制定光學元制具有-相·置，黯軸學元件係可; 著該舞方向⑽，峨嫌置；-爾阻，他輸出-可變的° 電乳城；以及-凸輪式傳動系統，連接於該鏡筒與活動光學元件之間， 用以將鏡同的轉動轉換成固定光學元件與活動光學元件間之相對位置的變 化’以及-齒輪式輪出傳動系統，連接於該鏡筒與該可變電阻之間，可與 該凸輪式傳動系統同步作動而將鏡筒的轉動轉換成該可變電阻的調整動 作，以改變該電氣信號。 該凸輪式傳動系統包含有—滑塊，設置於該活動光學元件上；以及一 /月槽’没置於該鏡筒之周壁上，該滑塊係可滑動地插i於該滑槽内。該滑 槽/、有預疋的曲線輪廓，構成—凸輪，而該滑塊則構成—凸輪從動件，與 以摘摩/、同作動而構成該鏡筒與該活動光學元件間的凸輪作動關係。 “凸輪式傳鱗統進—步包含有至少—導向柱，設置於鏡筒内，該活 動光于7L件上⑧有―穿孔，可穿套於該導向柱上，而使該絲元件可相對 於該‘向柱滑動’且其中該滑塊與該賴間形成凸輪作動祕，因此當鏡 筒轉動時該/月塊沿著該滑槽滑動，並因其間的凸輪作動關係而使得該活 200829952 動光學元件沿著導向柱移動。 該齒輪式傳動系統包含有一内齒輪，固設於該鏡筒内；一可變電阻旋 動齒輪，透過一可變電阻固定架而連接至該可變電阻上；以及一齒輪軸， 設置於該内齒輪與該可變畲阻旋動齒輪之間，並具有一輪入齒輪及一輸出 齒輪，分別嚙合該内齒輪及該可變電阻旋動齒輪。 此顯微鏡對焦傳動機構進一步包含有一輸入傳動系統，其包含有一旋 鈕，其上設有一第一斜齒輪；以及一第二斜齒輪，環設於該鏡筒的周壁上， _ 並與該第一斜齒輪相喃合，可將使用者對於旋紐的旋轉轉變成鏡筒的轉 動，進而同步帶動該凸輪式傳動系統及該齒輪式傳動系統。 【實施方式】 帛-®所示絲依據本發日狀—麵減纖麟機制立體分解 圖，其包含· 一鏡同4、一旋紐1及一可變電阻7。該鏡筒4係呈中空圓柱 狀，具有一圓柱狀的内部空腔，其二端呈開放狀，該鏡筒4並具有一中心 軸線，其在此實施例中係與本發明之顯微鏡的光轴重合，但亦可以不重合 鲁的方式設置。在該鏡筒4的二開放端上分別設置有目鏡組及物鏡組。其目 鏡組包含有一鏡片組13、一第一群框14、一第一群框支撐架12、一第二群 框15以及-第三群框16，其中該支撐架12係結合固定至該鏡筒4的相關 開放端（在此例中為鏡筒4的上方開放端）上，而將第一群框14及鏡片組 13固定於鏡筒4上。物鏡組則包含有—鏡片組9 (見第三圖），係透結合於 鏡筒4另-開放端（在此為下方開放端）上的底蓋2()而固定於鏡筒*内部 的底端。因此，第-群框14、鏡片組13、鏡片組9係固定在鏡筒4而無法 沿著平行於鏡筒4之中心軸線的方向相對於鏡筒4移動，換言之第一群框 7 200829952 Μ、鏡片組13、_ 9相物筒娜向位雄細 及底盍20裝設於_上的方式是可使鏡筒4細架 心2 能產生相對旋韓運動，玄” （或底蓋20) 轉運動亦即可以繞著鏡筒4的中心軸線做相對轉動。. 4咖《朗設㊃根導触1Q，其㈣叫_的方式 固Sr致上平行於鏡筒4的中心軸線。導向柱1〇的上下二端分別 口疋至支縣職蓋㈣與鏡W做轴向上 的相對位移，但可以繞著中，做相對旋轉。第二群框15與第三群框16 上分別設有對應的穿孔21及22，可供導向柱10貫穿之。穿孔21及22的 大小係可崎f二_ 15及帛三_ 16⑽於鱗導向柱㈣動，因此 第二群框15及第三群框16可以在導向柱10的導引下，在鏡筒4的空腔内 做軸向的轉，進而改變第二龍15及第三群框16 _軸向蹄及改變 第-群框15及第三群框16相對於第一群框14及鏡片組9、13的轴向距離， 因此第一群框15及第三群框16上的透鏡與第一群框14内的透鏡及鏡片組 9、13的透鏡間的距離即可變化及調整，藉之即可進棚微鏡相關的調焦變 倍作業。 換吕之’鏡筒4上或其内部設有軸線方向上固定不動的固定光學元件， 包括鏡片組9、13及第一群框14内的透鏡或鏡片，亦設有會沿著軸線方向 移動的活動光學元件，包括第二群框15及第二群框16内的透鏡或鏡片。 藉由該等固定透鏡與該等活動透鏡間的相對轴向位移即可進行顯微鏡的調 焦變倍作業。 另外在鏡筒4之空腔内設有一葉片撥桿17，其功能及結構係與此技藝 8 200829952 巾—錢知悉者_ ’而且與杨之發鴨徵並無_，因此在此不多加 說明。 旋鈕1係設置於鏡筒4的外部，可供使用者辭接觸及旋轉控制之。 在旋紐1上設置有-第-斜齒輪2，可在旋紐丨被使肖者旋動時隨之一起轉 動。相對於第-斜齒輪2，在鏡筒4上設置有第二斜齒輪3，可與第一斜齒 輪2相喃合。在圖示的實施例中，第二斜齒輪3係設置在鏡筒4上靠近於 物鏡組的位置（亦即靠近於圖式巾之賴4的下方末端），惟其設置位置並 • 無特殊處所，只魏與第—斜錄2做麵上的妨即可。 第-斜齒輪3係固疋在鏡筒4的外側表面上，因此當第二斜齒輪3因 第-斜雜2被旋鈕帶動而隨之轉_，將可隨同帶紐筒4繞其中心轴 線旋轉。在鏡筒4之下方開放端内設置有一環狀内齒輪5，其係固定於鏡筒 4的内壁上而可隨賴4 一起轉動。該内齒輪5的内面設置有環狀的内齒。 一齒輪軸6設置魏筒4之下方·端的外部，其兩端上分別設置有 輸入齒輪23及輸出齒輪24’其中輸人齒㈣與該_輪5的罐目喃合， #而受之驅動來帶動齒輪軸6轉動，而輪出齒輪24則與-可變電喊動齒輪 8相喃合。因此當旋紐！轉動時，鏡筒4會透過第_及第二斜齒輪2、3間 的喊合而轉動，而鏡筒4 __會透過_輪5 _輪軸6之輸入齒輪 23的响合而傳遞至可變電阻旋動齒輪8。目此，轉動單—驗1即可同時 轉動鏡筒4及可變電阻旋動齒輪8。 可變電阻旋動齒輪8上固定有-偏心設置的可變電阻固定架18，齒輪 8藉此與可隻電阻7相連接，從而可使得該可變電阻7透過可變電阻固定 200829952 架18之隨齒輪8及齒輪軸6的運動而同時作動，因之而能配合於斜齒輪2、 3做同步運行，以在鏡筒4旋動時同時調整可變電阻7來改變其電阻值，以 達到改變其所相關之電氣信號的輸出值。在此實施例中，該電氣信號可用 以代表顯微鏡的放大倍率。 另外再配合第二圖及第三L _ — η〜w队观列你叉τ口 nr 動機構的一立體示意圖，第三圖係為沿第二圖中之線IIHII截取的剖面圖。 如圖所不’該鏡同4上壞设有一道滑槽41、42，係依給定之凸輪作動路徑 而呈類以於螺旋狀般開設於鏡筒4之周壁上，做為凸輪槽之用。 在第二群框15及第三群框16上分別設有做為凸輪從動件的滑塊n、 43 ’其等的大小及位置係能以可滑動的方式插置於相關的滑槽^、犯内， 可沿著該等賴4卜42鶴碌制形成凸雛的相互伽^此種凸輪連 接關係可在鏡筒4轉動時，將賴4的轉動運動轉換成第二群框丨5及第三 群框16在鏡筒4之空腔⑽轴向平移称該等滑槽4卜42的曲線輪廊 (或凸輪輪輕）魏縣龄_的，膽在胁丨_者或操作 ，能使第二群框丨5及第三群框關做預定_對位移及此二群 框箱^相對於第-群框14及鏡片組9、13間的預_位移，藉之可 以疋的方式來進行此顯微鏡的調焦作業。 " 從而===^雜1將顧—梅.起轉動， 轉動。在輸mr4和嶋纖4㈣_輪5-起 -4 4 Γ5 f15 16 π ^ 月…間的凸輪作動關係及相對的滑移而相對於鏡筒4 200829952 升降（紐軸向位移），進而改變光路，達成對焦變倍的目的。 另—方面，内齒輪5的轉動將會帶動齒輪轴6轉動’而齒輪軸6的轉 動”動財妨的可魏阻㈣鍊S軸，舰可魏贼動齒輪8 與可變電阻7間的偏心連接，可變電阻7可在可變電阻旋動齒輪8的帶動 ^下改變其雜值，從錢雜合於各鞠ΐ4、Η、Μ聽片組9、η間的 調焦作絲同時或同步地改變輸出之錢錢的目的。The focal length is adjusted by the relative distance between the stages. Concentrating lighting systems are another factor that has a large impact on the microscopy energy of the microscope. It is also a neglected link. The illuminating day (four) system can provide the brightness of the foot touch (4) object surface _, the beam of the hair 2 can be sufficient _ the highest angle of the objective lens, the adjustment mechanism of the (four) concentrating illumination system can greatly improve the imaging quality of the microscope . Another aspect is that the microscopy is also the information that the maker must know when making observations. Therefore, when focusing or zooming is performed while changing the relative distance or relative position between the lenses, the relevant magnification is simultaneously displayed. Magnification is also a must for this skill. 5 200829952 Please also display the movement of the lens and the magnification of the lens (or other related signal processing). Therefore, this _ provides a kind of mechanism that adjusts the prior structure and output electrical signals. SUMMARY OF THE INVENTION The present invention provides a focus transmission mechanism that can be applied to a microscope focusing operation, and includes: a 'material-tree, Jing _ _ motion; at least - _ school tree placed on the mirror squatting the axis The financial direction does not move; at least the wire component, set 2 the lens barrel (four) and the development of the optical element system with - phase set, the axis axis element can be; the dance direction (10), 峨 置 ;; - er resistance, he output - a variable temperature electric motor; and a cam-type transmission system coupled between the lens barrel and the movable optical element for converting the mirror-like rotation into a change in the relative position between the fixed optical element and the movable optical element' And a gear-type wheel drive system connected between the lens barrel and the variable resistor, and synchronously actuating with the cam-type transmission system to convert the rotation of the lens barrel into an adjustment action of the variable resistor to change the Electrical signal. The cam-type transmission system includes a slider disposed on the movable optical component, and a/month slot is not disposed on a peripheral wall of the lens barrel, and the slider is slidably inserted into the sliding slot. The chute/, having a pre-twisted curve profile, constitutes a cam, and the slider constitutes a cam follower, and acts as a cam between the lens barrel and the movable optical element by picking up and operating together relationship. The "cam type squaring step includes at least a guide post disposed in the lens barrel. The movable light has a perforation on the 7L member 8 and can be sleeved on the guide post so that the wire member can be opposite The 'sliding toward the column' and wherein the slider and the spacer form a cam to actuate, so that the moon block slides along the sliding groove when the lens barrel rotates, and the live action is caused by the cam action relationship therebetween 200829952 The moving optical component moves along the guiding column. The geared transmission system includes an internal gear fixed in the lens barrel; a variable resistance rotating gear is connected to the variable resistor through a variable resistance fixing frame And a gear shaft disposed between the internal gear and the variable reluctance rotating gear, and having a wheel gear and an output gear respectively meshing the internal gear and the variable resistance rotating gear. The transmission mechanism further includes an input transmission system including a knob on which a first helical gear is disposed, and a second helical gear disposed on the peripheral wall of the lens barrel, _ and interfacing with the first helical gear Hehe, The user rotates the rotation of the knob into the rotation of the lens barrel, thereby synchronously driving the cam type transmission system and the gear type transmission system. [Embodiment] The 帛-® yarn is in accordance with the present invention. The mechanism stereoscopic exploded view comprises a mirror, a knob 1 and a variable resistor 7. The lens barrel 4 has a hollow cylindrical shape and has a cylindrical inner cavity, and the two ends are open. The lens barrel 4 has a central axis, which in this embodiment is coincident with the optical axis of the microscope of the present invention, but may also be disposed in a manner that does not overlap. The two open ends of the lens barrel 4 are respectively provided with The eyepiece group and the objective lens group, the eyepiece group includes a lens group 13, a first group frame 14, a first group frame support frame 12, a second group frame 15 and a third group frame 16, wherein the support frame 12 The first group frame 14 and the lens group 13 are fixed to the lens barrel 4 in combination with the associated open end of the lens barrel 4 (in this example, the upper open end of the lens barrel 4). The objective lens group includes There is a lens group 9 (see the third figure), which is coupled to the other open end of the lens barrel 4 (at It is fixed to the bottom end of the inside of the lens barrel * for the bottom cover 2 () on the lower open end). Therefore, the first group frame 14, the lens group 13, and the lens group 9 are fixed to the lens barrel 4 and cannot be parallel to The direction of the central axis of the lens barrel 4 is moved relative to the lens barrel 4, in other words, the first group frame 7 200829952 Μ, the lens group 13, the _ 9 phase tube cylinder and the bottom cymbal 20 are mounted on the _ The fine frame 2 of the lens barrel 4 can be made to produce a relative rotation motion, and the rotation movement of the black cylinder (or the bottom cover 20) can be relatively rotated about the central axis of the lens barrel 4. 4. The coffee "sets four guides 1Q, and its (4) is called _. The solid Sr is parallel to the central axis of the lens barrel 4. The upper and lower ends of the guide post 1〇 are respectively translated to the relative displacement of the branch (4) and the mirror W in the axial direction, but can be rotated relative to the middle. The second group frame 15 and the third group frame 16 are respectively provided with corresponding through holes 21 and 22 for the guide post 10 to penetrate therethrough. The sizes of the perforations 21 and 22 are movable in the scale guide column (four), so that the second group frame 15 and the third group frame 16 can be guided by the guide post 10 in the lens barrel. Axial rotation in the cavity of 4, thereby changing the second dragon 15 and the third group frame 16 _ axial hoof and changing the first group frame 15 and the third group frame 16 relative to the first group frame 14 and the lens group The axial distance of 9,13, so the distance between the lens on the first group frame 15 and the third group frame 16 and the lens in the first group frame 14 and the lens of the lens group 9, 13 can be changed and adjusted. It can be used to adjust the focus zooming operation related to the micromirror. The fixed optical element fixed in the axial direction on the lens barrel 4 or the inside thereof, including the lens group 9 and 13 and the lens or lens in the first group frame 14 are also arranged to move along the axis direction. The movable optical element includes a lens or lens in the second group frame 15 and the second group frame 16. The zooming operation of the microscope can be performed by the relative axial displacement between the fixed lenses and the movable lenses. In addition, a vane lever 17 is disposed in the cavity of the lens barrel 4, and its function and structure are not described in this article with the technique of 2008-28952, the money-known person _ ’ and the Yang Zhifa levy. The knob 1 is disposed outside the lens barrel 4 for the user to contact and rotate. The -1st helical gear 2 is provided on the knob 1, and can be rotated together when the knob is rotated by the driver. With respect to the first bevel gear 2, a second bevel gear 3 is provided on the barrel 4 to be halved with the first bevel gear 2. In the illustrated embodiment, the second helical gear 3 is disposed on the lens barrel 4 at a position close to the objective lens group (that is, near the lower end of the drapes 4 of the figure), but the position is set and • no special place Only Wei and the first - oblique record 2 can be done on the surface. The first helical gear 3 is fixed on the outer surface of the lens barrel 4, so that when the second helical gear 3 is driven by the knob by the first oblique gear 2, it will follow the central axis of the belt cylinder 4 The line rotates. An annular internal gear 5 is disposed in the lower open end of the lens barrel 4, and is fixed to the inner wall of the lens barrel 4 so as to be rotatable together with the yoke 4. The inner surface of the internal gear 5 is provided with annular internal teeth. A gear shaft 6 is disposed outside the lower end of the Wei cylinder 4, and an input gear 23 and an output gear 24' are respectively disposed at two ends thereof, wherein the input teeth (4) are merging with the tank of the _ wheel 5, and are driven by The gear shaft 6 is driven to rotate, and the wheel gear 24 is harmonized with the -variable electric shunting gear 8. So when the knob! When rotating, the lens barrel 4 is rotated by the call between the first and second helical gears 2, 3, and the lens barrel 4__ is transmitted through the ringing of the input gear 23 of the _ wheel 5_ axle 6 to The variable resistance rotates the gear 8. Therefore, by rotating the single-test 1, the lens barrel 4 and the variable-resistance rotating gear 8 can be simultaneously rotated. The varistor rotating gear 8 is fixed with an eccentrically disposed varistor holder 18, and the gear 8 is connected to the resistor 7 so that the varistor 7 can be fixed to the 200829952 frame 18 through the variable resistor. Simultaneously with the movement of the gear 8 and the gear shaft 6, the synchronous operation can be performed with the helical gears 2, 3, so that the variable resistor 7 is simultaneously adjusted when the lens barrel 4 is rotated to change its resistance value. Change the output value of the electrical signal associated with it. In this embodiment, the electrical signal can be used to represent the magnification of the microscope. In addition, in conjunction with the second figure and the third L _ — η 〜 w team, a three-dimensional diagram of the τ port nr moving mechanism is observed, and the third figure is a cross-sectional view taken along the line IIHII in the second figure. As shown in the figure, the mirror is provided with a chute 41, 42 which is opened on the peripheral wall of the lens barrel 4 in a spiral shape according to a given cam actuating path, and is used as a cam groove. . The second group frame 15 and the third group frame 16 are respectively provided with sliders n, 43' as cam followers, and the size and position thereof can be slidably inserted into the relevant chutes ^ In the sin, the mutual connection between the sacs and the shovel can be formed along the spurs of the shovel, and the cam link can be converted into the second group frame 在5 when the lens barrel 4 rotates. And the third group frame 16 is axially translated in the cavity (10) of the lens barrel 4, and the curved wheel gallery (or cam wheel light) of the same type of chute 4b 42 is used, and the operation is performed. The second group frame 丨5 and the third group frame can be closed as predetermined _ pairs of displacements and pre-_ displacements between the second group frame box and the first group frame 14 and the lens groups 9, 13 The way to perform the focusing operation of this microscope. " Thus ===^ Miscellaneous 1 will Gu-Mei. Turn and turn. In the mr4 and the twisted fiber 4 (four) _ wheel 5 - 4 - 4 4 Γ 5 f15 16 π ^ month ... between the cam actuation relationship and the relative slip relative to the lens barrel 4 200829952 lifting (new axis displacement), thereby changing the optical path, Achieve the goal of zooming. On the other hand, the rotation of the internal gear 5 will drive the gear shaft 6 to rotate 'the rotation of the gear shaft 6'. The movable shaft can be Wei (4) chain S-axis, and the ship can be between the smashing gear 8 and the variable resistor 7. In the eccentric connection, the variable resistor 7 can change its miscellaneous value under the driving of the variable resistance rotating gear 8, and is mixed with the focusing of each of the 鞠ΐ4, Η, Μ-listing groups 9, η at the same time or Synchronously change the purpose of exporting money.
矩傳送至鏡筒4上；鏡筒4與活動光學元件（即第二群框15及第三群㈣ 及其等内所設的透鏡或鏡片）間則藉由凸輪式傳動系，其包括滑塊^、把 ^ 。在旋紐1與鏡筒4間藉由齒輪式的輸入傳動系、統，其包括 有第一及第二斜齒輪2、3，縣加至她1上的人為輸人職轉運動或扭 及滑槽4丨、42，可將鑛4轉_換成活動光學元件_向位移，進而 改變活動絲元件翻定光學猶_相對位置，達成調紐倍的目的； 鏡筒4與可魏阻7之_透職輪式的輸出傳齡統，其包括有内齒輪 5、齒輪轴、可變電阻旋動齒輪8，可將鏡筒4的轉動轉換成可變電阻7的 調整動作，進而調整其輸出電阻值。 綜上所述，雖然本發明已以較佳實施儀露如上，然其並非用以限制 本發明，任何《此項技術者，在不脫離本發明之精神和範_，當可作 各種更動細飾’目此本㈣之賴細倾制之巾請專圍所界〜 者為準β 【圖式簡單說明】 第-圖係為本發明之顯微鏡對焦傳動機構的立體分解圖。 第二圖係為本發明之顯微鏡對焦傳動機構的立體示意圖。 11 200829952 第三圖係為沿第二圖中線ΠΙ-III所取的剖面圖。 【主要元件符號說明】The moment is transmitted to the lens barrel 4; between the lens barrel 4 and the movable optical element (ie, the second group frame 15 and the third group (four) and the lens or lens provided therein, etc.), the cam type transmission system includes sliding Block ^, put ^. Between the knob 1 and the lens barrel 4, a gear-type input drive system includes a first and a second helical gear 2, 3, and the person added to her on the 1st is a transfer or twist. The chutes 4丨, 42 can change the ore 4 _ to the movable optical element _ direction displacement, thereby changing the relative position of the moving wire element to determine the optical y y, to achieve the purpose of adjusting the doubling; the lens barrel 4 and the wei resistance 7 The output transmission age of the full-service wheel type includes an internal gear 5, a gear shaft, and a variable resistance rotating gear 8, which can convert the rotation of the lens barrel 4 into an adjustment action of the variable resistor 7, and then adjust the same Output resistance value. In the above, although the present invention has been described above in terms of a preferred embodiment, it is not intended to limit the present invention, and any of the skilled artisan can make various changes and details without departing from the spirit and scope of the present invention. 'The purpose of this (4) depends on the finely-decorated towel. Please take the bounds of the bounds. The one is the standard. [Simplified illustration] The first-picture is an exploded view of the microscope focusing drive mechanism of the present invention. The second figure is a perspective view of the microscope focusing transmission mechanism of the present invention. 11 200829952 The third figure is a cross-sectional view taken along line ΠΙ-III in the second figure. [Main component symbol description]
1 旋鈕 2 第一斜齒輪 3 第二斜齒輪 4 Ml 鏡闾 5 内齒輪 6 齒輪軸 7 可變電阻 8 可變電阻旋動齒輪 9 鏡片組 10 導向柱 11 滑塊 12 第一群框支撐架 13 鏡片組 14 第一群框 15 第二群框 16 第三群框 17 葉片撥桿 18 可變電阻固定架 20 底蓋 21 穿孔 22 穿孔 23 輸入齒輪 24 輸出齒輪 41 滑槽 42 滑槽 43 滑塊 121 Knob 2 First helical gear 3 Second helical gear 4 Ml Mirror 5 Internal gear 6 Gear shaft 7 Variable resistance 8 Variable resistance rotary gear 9 Lens group 10 Guide post 11 Slider 12 First group frame support frame 13 Lens group 14 first group frame 15 second group frame 16 third group frame 17 blade lever 18 variable resistance holder 20 bottom cover 21 perforation 22 perforation 23 input gear 24 output gear 41 chute 42 chute 43 slider 12