、M334573 八、新型說明： 【新型所屬之技術領域】 本創作係關於一種壓電馬達，尤指一種柱狀螺旋式壓電馬達。 【先前技術】 由於照相手機的盛行，使得一種小型壓電馬達或壓電致動器可置入光學 * 系統中來推動鏡頭或鏡筒之裝置被廣泛的研究。例如，英國1 limited c〇. 鲁 （http://www.llimited.com)所發明的一種螺旋狀雙晶片式壓電致動器，其可置 入光學系統内再配合夾持元件與彈性元件來推動鏡頭或鏡筒做上下運動。 該習用裝置具有低功率、相容性高、可靠、沒有磨耗與疲勞問題、耐撞擊、 使用原料少與寂靜無聲之優點。但是，其最嚴重之缺點就是製造加工非常 困難，不易大量製造且良率低。 另一是 New Scale Technologies Co· (http://www,newSCaleteChx〇m)利用四 面極化之中空圓柱形壓電致動器配合螺絲、螺帽與彈性元件來推動鏡頭或 籲鏡筒做上下運動。該習用裝置之優點是構件簡單與不占空間，而缺點是製 •造加工不易以及有磨擦力過大或推力不夠之問題。而該公司近期也利用金 屬管狀結構_壓電陶^絲成壓電致動^，雜—樣可以達成推動鏡 頭或鏡筒做上下運動之功效，但是仍然有製造加卫不易、組裝不易、磨擦 力過大或推力不夠之缺點。 再者是 Konica Minolta Co. (http://cak〇nicamin〇ltac〇m)利用固定物 A卜壓電元件A2與轴桿A3所構成之習用裝置(如第一圖所示），其利用振 動波帶動光學元件Μ做上下運動，也達成構件簡單與不占空間之功效。而 5 .M334573 其缺點是，該習用裝置之光學元件A4在移動過程中或其行走路徑Mi容 易產生晃動或滑動。 本_級上述f用裝置爐存在著㈣之缺點，而設計種具有 結構簡單、製造加工容易、組裝便捷、進動穩定與推力高之壓電馬達來； '而該壓電馬達除了可以用來推動光學元件之外，也可關來轉動或推動重 物0 【新型内容】 達 本創作主要目的是在於提供—種結構簡單之柱狀職式壓電馬達。 本創作另—目的是在於提供—種製造加工容易之柱狀螺旋式壓電馬 本創作再-目的是在於提供-種轉便捷之柱狀職式壓電馬達。 本創作最後目咐職—軸物娜彻螺旋择 馬達；而剩馬達除了糊來推_ ^ 推動重物。 幻以用來轉動或 〜：、成述目的本創作提供一種柱狀螺旋式塵電馬達，其係由螺今 第-墊片、虔電片、導電片、係由螺絲、 所組成；其特徵在於··該螺 轉轉 墊片，並且奴第·…穿轉—抑、塵電片、導翱與第二 相弟-螺帽鎖緊，其中該導電片分別穿置於 弟二螺帽固定在旋轉元件 乃之間，該 〜 之讀内，且套置在螺絲之頂端；當摩^ 琶顯共振頻率時，即可 μ片施以 、 轉讀產生_輪贼逆喊轉。 口刚所述之柱狀螺旋式 电馬達，其令，該螺絲係為金屬材質，其尺寸 6 M334573 或螺紋數可依實際需要調整。 如前所述之柱狀螺旋式壓電馬逹，复 a p /、甲，該第一墊片係為中空圓形碟片 狀之金屬材質，其尺寸可依實際需要調整。 如前所述之柱狀螺旋式壓電馬達，发 、，該第一墊片之尺寸可以稍大於 [电片與導電片，以做為邊界峡端或爽持端。 如前所述之柱狀螺旋式壓電馬達，发 ^ 4 ’該壓電片係、為中空圓形碟片狀 之[:究片，其尺寸或片數可依實際需要調整。 如剷所述之柱狀螺旋式壓電馬達， 方向兩_胃。 料’賴__時，其極化 如前所述之柱狀螺旋式壓電馬達，其中 之銅η^涂電片係為中空圓形碟片狀 /、尺寸或片數可依實際需要調整。 如_述之柱狀螺旋式壓電馬達’其中，該導電片可連接導電線。 如則所述之柱狀螺旋式壓電 ' 狀之金屬” 中，該第二塾片係為中空圓形碟片 材貝，其尺寸可依實際需要調整。 如前所述级狀螺旋式壓f馬達，其中，該第二墊片之尺寸可 姿電片與導電片，以做為邊界固定端或失持端。 、 之金達心’該帛—鴨騎空六角形狀 材貝，其尺寸可依實際需要調整。 之金罐嫩，財，該㈣辑巾空六《狀 貝，其尺寸可依實際需要調整。 如前所述之柱狀螺旋式壓電馬達，其中，該旋轉元件係可為金屬材質或 7 .M334573 塑膠材質之一者，其尺寸可依實際需要調整。 如前所述之柱《旋式㈣馬達，其中，該旋轉元件設有n卜 * 槽可固設第二螺帽以及移動所需之空間。 ^ 如前所述之柱狀螺旋式壓電馬達，其中，該旋轉元件可以外加質量^ • 加大迴轉半徑以增加旋轉速度。 鬼或 , 如前所述之柱狀螺旋式壓電馬達，其中，該旋轉元件可為一螺旋紫。 綜上所述’本創作所述之柱狀螺旋式壓電馬達已相對地克服習用” ^ 缺失，實具產業上之利用性與實用性。 之 【實施方式】 乂下透過配S第_圖至第五圖，來說明本創作之組成與實施方式，期 使该技術賴者可㈣地麵本創狀主要繼及欲達狀功效或目的。 本創作係為-種柱狀螺旋式壓電馬達，其係由螺絲i、第一塾片2、壓 私片3、導電片4、第二墊片5、第一螺帽6、第二螺帽7與旋轉元件8所 組成；謂徵在於：該螺絲i分別穿過第一墊片2、壓電片3、導電片4與 第-墊片5 ’並且透過第一螺帽6鎖緊，其中該導電片&分別穿置於壓電片 3之間H螺帽7固定在旋轉元件8之嵌槽81内，且套置在螺絲工之 貝立而’田i電片3施以電壓與共振頻率（K〜c〇s(^ +幻π匕―户如(邮+堯），, Z人2)日寸’即可讓旋轉元件8產生順時旋轉或逆時旋轉運動。而要讓旋轉元 件8達成順日禮轉或逆時旋轉運動之功效，除了必須施以固定電壓之外， ”、透過改’吏共振角頻率或角速度[q(=2；rfi)oriy2(=2;rf2)]或相角（為or么） 來達成之。 8 M334573 如前所述之柱狀螺旋式麼電馬達，驅動時可以利用單—固定電厂堅鱼單一 共f率，即可讓旋轉元件8產生旋轉運動。然而_單-固定電顯不 同，、振頻率，即可以加快旋轉元件s的旋轉運動速度。 如前所述之柱卿旋式魏鱗，射，_=係為金屬师，直尺 寸或螺紋數可依實際需要調整。例如，該螺絲！穿設於第—塾片^、 可配:弟一螺帽7與旋轉元件8來設置螺絲數，藉此來控制上下奸 如前所述之柱狀螺旋式_達，其中，該第一墊片2係為中空_碟 片狀之金屬材質，其尺寸可依實際需要調整。 如前所述之柱狀螺旋式屡電馬達，其中，該第一墊片2之尺寸可以稍大 於壓電片3與導電片4 ’以做為邊界固定端或夾持端。例如，加大第—墊片 2之尺寸’使其除了具有保護壓電片3防止碎裂之功能外，也可以在第—墊 片2之適當位置處設置細(圖未示），以做為峡柱狀職式壓電馬達以及 利於組裝。 如前所述之柱狀螺旋式壓電馬達，其中，該壓電片3係為中空圓形碟片 狀壓電陶^，其尺寸或片數可依實際f要難。如壓電片3之片數可 為單片或為積層式單片壓電結構。 如前所述之柱狀職式壓電馬達，其中，該壓電片3為偶數片時，其極 化方向兩兩相對；其目的在於枝崎與節省導電片*之數量。 如刖所述之柱狀職式壓電馬達，其中，該導電片4係為中空圓形碟片 狀之銅片，其尺寸或片數可依實際需要調整。 M334573 如前所述之柱狀螺旋式壓、 狀之銅片，其尺蝴數可依實《要調整峨請為中空圓形碟片 射，獅4爾導電線。如 $達I、方:—―電線43或/與第：導電、線42。#該柱狀螺旋式壓電 馬達，其驅動方式鱗1定電M '气 、早"、振頻率時，則該導電片4 〇泰 連接第一導電線41與第三導 ^ 電、本卩可。當驅動方式鱗i定電壓邀 不同共振頻率時，則該導雷Η Λ心电&與 '、猶接第—導電線4卜第二導電線42 弟二導電線43。 >、 如刖所述之柱狀螺旋式壓電馬達 r °亥弟一墊片5係為中空圓形碟 片狀之金屬材質’其尺柯依實際f要輕。 - 如前所述之柱狀螺旋式壓電騎，其中，該第二塾片5之尺寸可 於壓電片與導電片，以做為邊界固定端或夹持端。 大 如前所述之柱狀螺旋式壓電馬達，其中，加大第二塾片5之尺寸或 邊界固定端或夾持端，其目的與功能與第—墊片2 —致；係為邊界固定或 夹持之另一選擇。 如前所述之柱狀螺旋式壓電馬達，其中，該第一螺帽6係為中空六㈣ 狀之金屬材質’其尺寸可依實際需要調整。該第—螺帽6之主要功能俾用 來固定第-船、壓電片3、導電片4與第二塾片5,並且提供驅動柱狀 螺旋式壓電馬達所需之預應力。 如前所述之柱狀螺旋式壓電馬達，其中，該第二螺帽7係'為中空六角形 狀之金屬材質’其尺寸可依實際需要調整。該第二螺帽7之主要功能係用 -M334573 來連接旋轉元件8，而且可活動於螺絲i前端之螺紋中。 如前所述之柱狀螺旋式壓電馬達，其中，該旋轉树8係可為金屬材質 或塑膠材質之-者，其尺寸可依實際需要調整。 如前所述之柱狀螺旋式壓電馬達，其中，該旋轉元件8設有一嵌槽Μ， 該嵌槽81可固設第二螺帽7以及移動所需之空間。 如前所述之柱狀職_馬達，其中，該旋轉元件8可以外加質量塊 (圖未示)或加大迴轉半徑以增加旋轉速度。 如前所述之域駿式壓電馬達，其巾，織轉元件8可為—螺旋毕價 未示）。當該繼件8為—侧時，其他合概件，使其成為-種小型飛行器（圖未示）。 本創作所述之柱狀顯式壓電馬達，其被運用於軸光學元件9時， 且當壓電片3被施以龍與共振解時，該第二_ 7帶動旋轉元件δ旋 轉向上並且頂住光學元件9之第—彈性元件％而帶動鏡筒91與第二彈性 =牛=向上移動；其中鏡筒91在向上移動過程中—直保持直線狀態。此 =貫购推力删卿_財赶晃動之缺 =所述，本創作利用螺絲1、第一塾片2、麼電片3、導電片4、第 ㈤6、第二螺帽7與旋轉元件8所組成之柱狀螺旋式厂堅電 將螺絲1分別穿過第—墊片2、厂《片3、導電片杨第 之間；該第二螺帽7gJW_ ▲ 』牙置私电片3 缺轉轉8之嵌槽8〗内，且套置在螺絲】之頂 ^ M334573 端即可·’操作時只要對壓雷 I電片3顧mm_率 產生順mmmm 勒疋轉元件8 罢η 已5產業上之利用性；而經杳血相_ 置或两案，已符合專财請 —热相闕裝 與特徵也較習職置有_ 要技* ^ 款增碰，亦符合專辦請要件中之進步性， 友此黑請委員賜予以新型專利為荷丨 • 【圖式簡單說明】 第圖·係習用裝置推動光學元件之實施樣態； 第二圖：係本創作之爆炸圖； 第三圖：係本創作之實施樣態； 第四圖：係本創作之另一實施樣態； 第五圖：係本創作推動光學元件之實施樣態。 φ 【主要元件符號說明】 Α1 固定物 Α2 壓電元件 A3 轴桿 Α4 光學元件 Α41 行走路徑 1 螺絲 2 第一墊片 12 M334573 壓電片 31 極化方向 4 41 42 43, M334573 VIII, new description: [New technical field] This is a piezoelectric motor, especially a cylindrical spiral piezoelectric motor. [Prior Art] Due to the prevalence of camera phones, a device in which a small piezoelectric motor or a piezoelectric actuator can be placed in an optical* system to push a lens or a lens barrel has been extensively studied. For example, a spiral bimorph piezoelectric actuator invented by British 1 limited c〇. Lu (http://www.llimited.com), which can be placed in an optical system and cooperates with a clamping element and an elastic element. To push the lens or lens barrel up and down. The conventional device has the advantages of low power, high compatibility, reliability, no wear and fatigue problems, impact resistance, less use of raw materials and silence. However, its most serious drawback is that manufacturing is very difficult, it is not easy to manufacture in large quantities and the yield is low. The other is New Scale Technologies Co. (http://www.newSCaleteChx〇m) using a four-sided polarized hollow cylindrical piezoelectric actuator with screws, nuts and elastic elements to push the lens or the lens barrel up and down. . The advantage of this conventional device is that the components are simple and do not occupy space, and the disadvantages are that the manufacturing process is not easy and the friction is too large or the thrust is insufficient. The company also recently used the metal tubular structure _ piezoelectric ceramic wire to become piezoelectric actuator ^, miscellaneous - can achieve the effect of pushing the lens or lens barrel to move up and down, but still have manufacturing and maintenance is not easy, assembly is not easy, friction The disadvantage of excessive force or insufficient thrust. Furthermore, Konica Minolta Co. (http://cak〇nicamin〇ltac〇m) uses a fixed device A, a piezoelectric device A2 and a shaft A3 (as shown in the first figure), which utilizes vibration. The wave drives the optical element to move up and down, and also achieves the function of simple and non-occupying space. 5. M334573 has the disadvantage that the optical component A4 of the conventional device is liable to sway or slide during the movement or its traveling path Mi. The above-mentioned f-device furnace has the disadvantages of (4), and the design has a piezoelectric motor with simple structure, easy manufacturing, easy assembly, stable precession and high thrust; 'The piezoelectric motor can be used except In addition to pushing the optical components, it can also turn off or push the weights. [New content] The main purpose of this book is to provide a column-type piezoelectric motor with a simple structure. The purpose of this creation is to provide a columnar spiral piezoelectric horse that is easy to manufacture and process. The purpose is to provide a column-type piezoelectric motor with convenient transfer. The final result of this creation was the abundance of the shaft, which was the choice of the motor, and the motor was pushed to push the weight. The illusion is used to rotate or ~:, for the purpose of the purpose of the present invention provides a columnar spiral dust electric motor, which is composed of screw-on-gasket, silicon wafer, conductive sheet, and screw, which are characterized; ——····························································································· Between the rotating elements, the ~ is read inside, and is placed on the top of the screw; when the resonance frequency is displayed, the μ piece can be applied and read to produce a _ wheel thief. The cylindrical spiral electric motor just mentioned is made of metal, and the size of the screw is 6 M334573 or the number of threads can be adjusted according to actual needs. As described above, the columnar spiral type piezoelectric stirrup, the complex a p /, A, the first gasket is a hollow circular disc-shaped metal material, and the size thereof can be adjusted according to actual needs. In the cylindrical spiral piezoelectric motor as described above, the size of the first spacer may be slightly larger than that of the [electric sheet and the conductive sheet to serve as a boundary gorge or a cool end. As described above, the columnar spiral piezoelectric motor emits a 4'' piezoelectric sheet, which is in the form of a hollow circular disc. The size or the number of sheets can be adjusted according to actual needs. Such as the shovel of the cylindrical spiral piezoelectric motor, the direction of the two _ stomach. When the material is 'Lai__, the columnar spiral piezoelectric motor is polarized as described above, wherein the copper η^ coated electric film is a hollow circular disc shape, and the size or the number of sheets can be adjusted according to actual needs. . A cylindrical spiral piezoelectric motor as described in the above, wherein the conductive sheet can be connected to a conductive wire. In the case of the columnar spiral piezoelectric metal, the second cymbal is a hollow circular disk sheet, and the size thereof can be adjusted according to actual needs. The f motor, wherein the second gasket is sized to be a fixed piece or a conductive piece as a boundary fixed end or a lost end. The gold daxin heart of the 'the 帛-duck riding an empty hexagonal shape shell, the size thereof It can be adjusted according to actual needs. The gold cans are tender and wealthy, and the (4) series of towels are empty. The size of the shell can be adjusted according to actual needs. The cylindrical spiral piezoelectric motor as described above, wherein the rotating element system It can be made of metal or 7 .M334573 plastic material, and its size can be adjusted according to actual needs. As mentioned above, the rotary (four) motor, wherein the rotating element is provided with n b * slot can be fixed second Nut and space required for movement. ^ Columnar spiral piezoelectric motor as described above, in which the rotating element can be added with mass ^ Increase the radius of gyration to increase the speed of rotation. Ghost or, as mentioned above a cylindrical spiral piezoelectric motor, wherein the rotating element can be a screw Purple conclusion 'of the creation of this cylindrical helical piezoelectric motor has to overcome a relatively conventional "^ deleted, with solid and practical use of the industry. [Embodiment] The following is a description of the composition and implementation of this creation through the distribution of S_图至五图, so that the technology can be used to (4) the ground creation is mainly followed by the effect or purpose. . The present invention is a cylindrical spiral piezoelectric motor, which is composed of a screw i, a first cymbal 2, a squeezing sheet 3, a conductive sheet 4, a second spacer 5, a first nut 6, and a second snail. The cap 7 is composed of a rotating member 8; the screw i is passed through the first spacer 2, the piezoelectric sheet 3, the conductive sheet 4 and the first spacer 5', respectively, and is locked by the first nut 6. Wherein the conductive sheets & respectively are interposed between the piezoelectric sheets 3, the H nut 7 is fixed in the slot 81 of the rotating element 8, and is placed in the screw of the screwer and the electric meter 3 is applied with voltage. With the resonance frequency (K~c〇s (^ + 幻π匕 - household (post + 尧),, Z 2), the rotation of the rotating element 8 can be rotated in time or reverse rotation. Let the rotating element 8 achieve the effect of smoothing or counter-rotating motion, except that a fixed voltage must be applied, ", by changing the '吏 resonance angular frequency or angular velocity [q (= 2; rfi) ory2 (= 2; Rf2)] or phase angle (or or) to achieve it. 8 M334573 As mentioned above, the columnar spiral type electric motor can be driven by a single-fixed power plant. Element 8 produces rotation However, _ single-fixed electric display is different, and the vibration frequency can speed up the rotational movement speed of the rotating element s. As mentioned above, the column-shaped spin-type Wei scale, shot, _= is a metalsmith, straight size or The number of threads can be adjusted according to actual needs. For example, the screw! is worn on the first piece, and can be equipped with: a nut 7 and a rotating element 8 to set the number of screws, thereby controlling the upper and lower traits as described above. The columnar spiral type _, wherein the first spacer 2 is a hollow-disc metal material, and the size thereof can be adjusted according to actual needs. The columnar spiral type electric motor as described above, wherein The size of the first spacer 2 may be slightly larger than the piezoelectric sheet 3 and the conductive sheet 4' as a boundary fixed end or a clamping end. For example, the size of the first spacer 2 is increased to make it have a protective piezoelectric sheet. 3 In addition to the function of preventing the chipping, it is also possible to set a fine (not shown) at the appropriate position of the first gasket 2 as a petro-column piezoelectric motor and facilitate assembly. a spiral piezoelectric motor, wherein the piezoelectric sheet 3 is a hollow circular disc-shaped piezoelectric ceramic, the size or The number can be difficult according to the actual f. For example, the number of the piezoelectric sheets 3 can be a single piece or a laminated single-piece piezoelectric structure. As described above, the column-shaped piezoelectric motor, wherein the piezoelectric piece 3 When it is an even piece, its polarization direction is opposite to each other; its purpose is to increase the number of conductive sheets*, such as the column-type piezoelectric motor, wherein the conductive sheet 4 is hollow and round. The size or number of pieces of the disc-shaped copper piece can be adjusted according to actual needs. M334573 As mentioned above, the columnar spiral type and copper piece can be adjusted according to the actual condition. Shaped disc shot, lion 4 er conductive wire. Such as $ up I, square: - wire 43 or / and the: conductive, wire 42. # The cylindrical spiral piezoelectric motor, its driving mode scale 1 fixed electricity M 'Qi, early", when the frequency is vibrating, the conductive sheet 4 is connected to the first conductive line 41 and the third conductive line. When the driving mode scales the voltage to invite different resonance frequencies, the guiding lightning Λ Λ Λ & 与 与 与 与 与 与 与 与 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电 导电. >, as described in the columnar spiral piezoelectric motor r ° Haidi a gasket 5 series is a hollow circular disc-shaped metal material 'the ruler Ke Yi actual f to be light. - A cylindrical spiral piezoelectric rider as described above, wherein the second cymbal 5 is sized to be a piezoelectric piece and a conductive piece as a boundary fixed end or a clamp end. A cylindrical spiral piezoelectric motor as described above, wherein the size or boundary fixed end or the clamping end of the second cymbal 5 is increased, and its purpose and function are the same as those of the first spacer 2; Another option for fixing or clamping. The columnar spiral piezoelectric motor as described above, wherein the first nut 6 is made of a hollow six (four) metal material, and its size can be adjusted as needed. The primary function of the first nut 6 is to fix the first ship, the piezoelectric piece 3, the conductive piece 4 and the second cymbal 5, and to provide the prestress required to drive the cylindrical spiral piezoelectric motor. The cylindrical spiral piezoelectric motor as described above, wherein the second nut 7 is 'a hollow hexagonal metal material' whose size can be adjusted as needed. The main function of the second nut 7 is to connect the rotating element 8 with -M334573 and to move in the thread of the front end of the screw i. The columnar spiral piezoelectric motor as described above, wherein the rotating tree 8 can be made of a metal material or a plastic material, and the size can be adjusted according to actual needs. The cylindrical spiral piezoelectric motor as described above, wherein the rotating member 8 is provided with a slotted groove 81 for fixing the second nut 7 and a space required for movement. As described above, the columnar motor has a mass (not shown) or a radius of gyration to increase the rotational speed. As described above, the field-type piezoelectric motor has a towel, a weaving element 8 which can be - a spiral price not shown. When the relay member 8 is the side, the other assembly members are made into a small aircraft (not shown). The columnar explicit piezoelectric motor of the present invention is applied to the shaft optical element 9, and when the piezoelectric sheet 3 is subjected to the dragon and the resonance solution, the second _7 drives the rotating element δ to rotate upward and The first elastic member of the optical element 9 is held against the lens barrel 91 and the second elastic body = cow = upward movement; wherein the lens barrel 91 is kept straight during the upward movement. This = the purchase of the thrust to delete the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The cylindrical spiral factory consists of the screw 1 passing through the first gasket 2, the factory "sheet 3, the conductive sheet Yang between; the second nut 7gJW_ ▲" the toothed private chip 3 is missing Turn 8 into the groove 8〗, and set it on the top of the screw ^ M334573 end · 'Operation as long as the pressure of the Thunder I chip 3 mm_ rate produces shun mmmm 疋 疋 元件 8 已 已 已Industrial use; and the bloodline _ set or two cases, has been in line with the special wealth please - the thermal phase of the armor and features are also better than the apprentice _ want skills * ^ paragraph increase touch, also meet the special requirements The progress of this, the friend of the black invited the member to give a new patent for the Netherlands • [Simple description of the diagram] The first picture of the device to promote the implementation of optical components; The second picture: the explosion map of the creation; Figure: The implementation of this creation; The fourth picture: another implementation of this creation; The fifth picture: This is the implementation of the optical component. Φ [Description of main component symbols] Α1 Fixture Α2 Piezoelectric element A3 Shaft Α4 Optical element Α41 Travel path 1 Screw 2 First spacer 12 M334573 Piezoelectric sheet 31 Polarization direction 4 41 42 43
7 8 81 9 91 927 8 81 9 91 92
導電片 第一導電線 第二導電線 第三導電線 第二墊片 第一螺帽 第二螺帽 旋轉元件 嵌槽 光學元件 鏡筒 第一彈性元件 第二彈性元件 13Conductive sheet First conductive line Second conductive line Third conductive line Second spacer First nut Second nut Rotating element Grooved optical element Lens barrel First elastic element Second elastic element 13