1.374001 [ΰϋ年08月 09 日 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係與框轴有關，特別有關於一種具有定位功能之 拖軸結構。 [先前技術3 [0002] —般馬達或其他電子裝置運轉時，係常利用一驅動器來 控制其運轉，藉由媒動器的控制，以達到所要求的輸出 電流或轉速。 [0003] 習知的驅動器大多具有一電路板，於該電路板上佈設有 控制晶片、電阻及電容等電子元件，以作為電路設計之 用，於該電路板上另設置有複數連接端子，以供馬達咬 電子裝置的導線選擇性地電性連接於其上，即完成驅動 運轉之控制目的。 [0004] 為防止驅動器的電路受潮或被灰塵覆蓋，市面上已存有 將驅動封合在一盒體内的產品*然而，驅動II的連接^ 端子卻必須外露在盒體外以作為電性連接之用，故其連 接端子處仍容易出現有鏽蝕、灰塵覆蓋的情形，此外， 在使用的情況下’亦常有不慎誤觸連接端子而導致故障 的情況出現。 [0005] 因此’在該些連接端子處上方加設一活動端子蓋，掀蓋 後即可連接該些端子，連接完成後再將該端子蓋覆人於 盒體上，即為解決此問題的其中一種方式；惟，上述結 構中，該驅動器的端子蓋雖可旋轉卻無法定位，掀蓋後 容易再掉回覆蓋該些連接端子而造成使用上的不便，或 有具有定位功能的樞軸結構，其設計常過於複雜而令 09813389#單编號第3頁/共25頁 1013303213-0 1374001 __ 101年08月09日梭正替换百 使用者無法正確使用，進而造成產品毁損。 [0006] 有鑑於此，本發明人為改善並解決上述之缺失，乃特潛 心研究並配合學理之運用，終於提出一種設計合理且有 效改善上述缺失之本發明。 【發明内容】 [0007] 本發明之一目的，在於提供一種具旋轉定位樞軸結構之 驅動器，係於掀轉其掀蓋時可定位該掀蓋，以利於電性 連接罩體内的連接端子。 [0008] 本發明之另一目的，在於提供一種具旋轉定位樞軸結構 之驅動器，以供使用者易於使用。 [0009] 為了達成上述之目的，本發明係為一種具旋轉定位枢軸 結構之驅動器，包括一罩體、一電路板及一掀蓋，罩體 係設有一容置空間及與該容置空間相連通之一開口，且 該罩體於該開口之一側設有一定位轉軸，該定位轉軸係 設有一定位部，電路板容設於該容置空間，該電路板設 有複數連接端子，該些連接端子係外露於該開口中，掀 蓋活動結合於該罩體之開口中，該掀蓋之一側設有一彈 性片體，該彈性片體設有一穿槽並於該穿槽中形成有一 彈性臂，該罩體之定位轉軸係穿設該掀蓋之穿槽而位於 該彈性臂之内侧，該彈性臂之内側設有至少一定位槽， 該定位槽係供該定位轉軸之定位部卡掣。 [0010] 本發明之另一目的，在於提供一種可旋轉定位之框軸結 構，於罩體設有一定位轉軸，另在結合於罩體的掀蓋設 有穿槽及彈性臂，將定位轉軸穿設於彈性臂之内側，藉 09813389#單编號 A〇101 第4頁/共25頁 1013303213-0 1.374001 101年08月09日按正替換頁 以卡掌並定位該定位轉軸。 [0011] 本發明之再一目的，在於提供一種易組設的可旋轉定位 之樞轴結構。 [0012] 為了達成上述之目的，本發明係為一種可旋轉定位之樞 軸結構，包括一罩體及一掀蓋，罩體係設有一開口，且 該罩體於該開口之一側設有一定位轉軸，該定位轉軸係 設有一定位部，掀蓋活動結合於該罩體之開口中，該掀 蓋之一側設有一彈性片體，該彈性片體設有一穿槽並於 該穿槽中形成有一彈性臂，該罩體之定位轉軸係穿設該 掀蓋之穿槽而置設於該彈性臂之内側，該彈性臂之内側 並設有至少一定位槽，該定位槽係供該定位轉軸之定位 部卡掣。 [0013] 相較於習知，本發明之可旋轉定位之樞軸結構係於罩體 設有定位轉軸及凸肋，另於掀蓋上設置具有穿槽及抵掣 部之彈性片體，令定位轉軸定位在穿槽中，並讓凸肋壓 掣抵掣部而產生彈性變形，藉由彈性片體抵掣於凸肋上 而增加定位的磨擦阻力；再者，本發明之樞軸結構的設 計簡單，其掀蓋係可輕易地組設於罩體上，更增本發明 之實用性及便利性。 【實施方式】 [0014] 有關本發明之詳細說明及技術内容，配合圖式說明如下 ，然而所附圖式僅提供參考與說明用，並非用來對本發 明加以限制者。 [0015] 請參照第一圖至第六圖，係為本發明可旋轉定位之樞軸 麵3389#單編號A〇101 第5頁/共25頁 1013303213-0 1374001 101年08月09日核正替换頁 結構的立體分解示意圖、局部放大圖及立體組合圖；本 發明之框軸結構1係設於一罩體1〇及一掀蓋2〇上，藉由該 柩軸結構1以將該掀蓋20活動結合於該罩體10上，進而可 凝轉定位。 [0016]請參第二圖，係為第一圖中Λ部分的局部放大圖；該罩體 10設有一開口 101及與該開口 1〇1相連通之一容置空間 100，該罩體10於該開口 101之一側設有一定位轉軸丨j， 該定位轉軸11係沿其一側延伸且漸縮，並於其頂端形成 一定位部111 ’該定位轉軸11的末端設有一導角112 ;再 者，該罩體1〇於鄰接該定位轉軸11之處設有一凸肋12， 本實施例中，該凸肋12之截面係呈L形，其末端為一突部 121 ’ 6亥突部121係設有一導角122。 [00Π]請另參閱第三圖，係為第一圖中Β部分的局部放大圖；該 掀蓋20活動結合於該罩體1〇之開口 1〇1中，該掀蓋2〇之 一側，於對應該罩體1 〇之定位轉軸11處設有一彈性片體 21，該彈性片體21設有一穿槽211，並於該穿槽211中形 成有一彈性臂212，該罩體1〇之定位轉軸1丨即係穿設該掀 蓋20之穿槽211而位於該彈性臂212之内側，該彈性臂之 内側設有至少一定位槽213，該定位槽213係供卡掣該定 位轉軸11之定位部111。 [0018]請參閱第四圖，係為第三圖之另一侧視圖；該掀蓋2〇之 彈性片體21係對應該罩體10之凸肋12而於設有一抵擎部 22，因此’當該罩體1〇之定位轉軸丨丨穿設於該穿槽2n 時，該凸肋12係抵掣於該抵掣部22上，該抵掣部22之截 面係呈凹字形，其二外側面221、223的高度係高於其中 1013303213-0 09813389#單编號删1 帛6頁/共25頁 1374001 * 1101 年 08月 間面222的高度；此外，該掀蓋20更設有一卡勾23，該 罩體10係對應設有一溝槽13(參第一圖），該卡勾23係扣 設於該溝槽13中’以使該掀蓋2〇覆合在該罩體10的開口 101上方。 • [0019] 請續參照第五圖，係為第一圖中c部分另一視角的局部放 大圖；本實施例中，該掀蓋2〇之另一側亦設有一彈性片 體21’ ，該彈性片體21’設有一軸孔21〇，及一抵掣‘ 22’ ，該罩體10於該開口 101之另一側係對應設有一旋轉 軸11，及一凸肋12，，該旋轉軸11，及凸肋12，分別設 有一導角11Γ 、121，，其中，該旋轉轴11，係穿設該 軸孔210’ ，而該凸肋12’則抵掣於該抵掣部22，上， 當然，該彈性片體21’及該旋轉軸11，亦可分別設為與 前述之彈性片體21及定位轉軸11相同的結構。 [0020] 清參照第六圖’係為本發明可旋轉定位之植軸結構的立 體組合圖；該樞軸結構1組設時，由於該定位轉轴11、凸 肋12、12’及旋轉軸11，的末端接設有導角，故施力於 該掀蓋20時’可使該罩體1〇之定位轉軸11及旋轉軸η， 分別穿入該掀蓋20之穿槽211及軸孔210’中。 [0021] 請參照第七圖及第八圖，係為本發明可旋轉定位之樞軸 結構蓋合時之二剖視圖；從圖中可看出，該卡勾23扣設 於該溝槽13，該定位轉轴11位於該彈性臂212的内側，且 該定位轉軸11的定位部111定位在該穿槽211的定位槽 213中（本實施例係設有二定位槽213、213’），此時， 該凸肋12係壓掣該抵掣部22的外側面223上（參第七圖中 的虛線部分），使該彈性片體21產生彈性變形而抵掣於該 09813389^^^^* A0101 1013303213-0 第7頁/共25頁 1374001 __ 101年08月09日按正替換頁 外侧面223上，進而增加此定位位置的磨擦阻力。 [0022] 請再參照第九圖及第十圖，係為本發明可旋轉定位之枢 轴結構旋轉約45度時之二剖視圖；該掀蓋2〇旋轉約45度 時’該定位轉轴11的定位部111係抵掣在該二定位槽213 、213’之間的一弧面214上，而該凸肋12則位於該抵掣 部22的中間面222上（參第九圖中的虛線部分），此時，該 定位轉軸11的定位部111即壓掣該弧面214，使該彈性臂 212產生彈性變形而抵掣於該定位部1丨丨上，進而提供此 定位位置的磨擦阻力。 [0023] 請參照第十一圖及第十二圖，係為本發明可旋轉定位之 樞軸結構旋轉約90度時之二剖視圖；該定位轉軸η的定 位部111定位在另一定位槽213’中，該凸肋12係壓掣該 抵掣部22的外側面221上（參第十一圖中的虛線部分），使 該彈性片體21產生彈性變形而抵掣於該外侧面221上，進 而增加此定位位置的磨擦阻力；此外，該穿槽2丨丨中定位 槽213、213’之位置、數量，及該定位轉軸丨丨之定位部 111，皆可依所需而進行調整及變化，以更符合使用所需 〇 [0024] 印另參照第十二圖，係本發明可旋轉定位之樞軸結構的 應用示意圖；本實施例中，該樞軸結構丨係應用於一驅動 器2上，實施時，於該容置空間1〇〇(參第一圖）中容設有 一電路板30，該電路板3〇設有複數連接端子31，且該些 連接端子31係外露於該開口 101中，欲連接該些連接端子 31時，紅轉5玄掀蓋20即可確實、穩固地定位在開啟狀態 ，藉由該樞轴結構1的設置，可令該掀蓋2〇不致掉回而 09813389#單编號Α〇101 帛8頁/共25頁 1013303213-0 Γ374001 101年.08月09日按正替換頁 覆蓋該開口 101，方便使用者使用該驅動器2。 [0025] 以上所述僅為本發明之較佳實施例，非用以限定本發明 之專利範圍，其他運用本發明之專利精神之等效變化， 均應俱屬本發明之專利範圍。 【圖式簡單說明】 [0026] 第一圖係本發明可旋轉定位之框軸結構的立體分解圖； [0027] 第二圖係第一圖中A部份的放大示意圖； [0028] 第三圖係第一圖中B部份的放大示意圖； [0029] 第四圖係第三圖之另一側的視圖； [0030] 第五圖係第一圖中C部份的放大示意圖； [0031] 第六圖係本發明可旋轉定位之樞軸結構的立體組合圖； [0032] 第七圖係第六圖中沿7-7線之剖視圖； [0033] 第八圖係第七圖中沿8-8線之剖視圖； [0034] 第九圖係為本發明可旋轉定位之樞軸結構旋轉約45度時 之·一剖視圖； [0035] 第十圖係為本發明可旋轉定位之樞軸結構旋轉約45度時 之另一剖視圖； [0036] 第十一圖係為本發明可旋轉定位之樞軸結構旋轉約90度 時之一剖視圖； [0037] 第十二圖係為本發明可旋轉定位之樞軸結構旋轉約90度 時之另·一剖視圖；以及 〇981338#單編號 A0101 第9頁/共25頁 1013303213-0 1374001 _- 101年08月09日核正替换頁 [0038] 第十三圖係為本發明可旋轉定位之樞軸結構的應用示意 圖。 【主要元件符號說明】 [0039] 1框軸結構 2驅動器 10罩體 100容置空間 I 01 開口 11定位轉轴 II ’旋轉軸 111’導角 111定位部 112導角 12凸肋 12’凸肋 121’導角 1 21突部 122導角 13溝槽 20掀蓋 21彈性片體 21’彈性片體 210’軸孔 211穿槽 212彈性臂 213定位槽 09813389^單编號 A〇101 第10頁/共25頁 1013303213-0 1374001 213’定位槽 214弧面 22抵掣部 22’抵掣部 221外側面 222中間面 2 2 3外側面 23卡勾 30電路板 31連接端子 單編號删1 第11頁/共25頁 101年08月09日按正替換頁 1013303213-01.374001 [August 09 of the following year. VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a frame axis, and more particularly to a tow axle structure having a positioning function. [Prior Art 3 [0002] When a motor or other electronic device is in operation, a driver is often used to control its operation, and the actuator is controlled to achieve a desired output current or rotational speed. [0003] Most of the conventional drivers have a circuit board on which electronic components such as a control chip, a resistor, and a capacitor are disposed for use as a circuit design, and a plurality of connection terminals are further disposed on the circuit board to The wire for the motor biting electronic device is selectively electrically connected thereto, that is, the control purpose of the driving operation is completed. [0004] In order to prevent the circuit of the driver from being wetted or covered by dust, there is already a product on the market that seals the drive in a box. However, the connection terminal of the driver II must be exposed outside the case as an electrical connection. For its use, it is still prone to rust and dust covering at the connection terminals. In addition, in the case of use, it is often caused by accidental accidental contact with the connection terminals. [0005] Therefore, a movable terminal cover is added above the connection terminals, and the terminals can be connected after the cover is closed. After the connection is completed, the terminal cover is covered on the casing, which is to solve the problem. One of the methods; however, in the above structure, the terminal cover of the driver can be rotated but cannot be positioned, and the cover is easily returned to cover the connection terminals, thereby causing inconvenience in use or having a pivot structure having a positioning function. The design is often too complicated and makes 09813389# single number page 3 / total 25 pages 1013303213-0 1374001 __ On August 09, 101, the shuttle is being replaced by a hundred users and can not be used correctly, resulting in product damage. In view of the above, the present inventors have made great efforts to improve and solve the above-mentioned shortcomings, and have finally made a proposal to rationally and effectively improve the above-mentioned defects. SUMMARY OF THE INVENTION [0007] One object of the present invention is to provide a driver with a rotary positioning pivot structure, which can be positioned when the flip cover is rotated to facilitate connection of the connection terminals in the electrical enclosure. . Another object of the present invention is to provide a drive having a rotationally positioned pivot structure for ease of use by a user. [0009] In order to achieve the above object, the present invention is a driver having a rotary positioning pivot structure, comprising a cover, a circuit board and a cover, the cover system is provided with an accommodation space and is connected to the accommodation space. One of the openings, and the cover body is provided with a positioning rotating shaft on one side of the opening, the positioning rotating shaft is provided with a positioning portion, the circuit board is accommodated in the receiving space, and the circuit board is provided with a plurality of connecting terminals, the connecting The terminal is exposed in the opening, and the cover is movably coupled to the opening of the cover. One side of the cover is provided with an elastic piece. The elastic piece is provided with a slot and a resilient arm is formed in the slot. The positioning shaft of the cover body is disposed on the inner side of the elastic arm through the through hole of the cover, and the inner side of the elastic arm is provided with at least one positioning groove for positioning the positioning portion of the positioning shaft. [0010] Another object of the present invention is to provide a rotatably positioned frame shaft structure, wherein the cover body is provided with a positioning rotating shaft, and the cover of the cover body is provided with a slot and an elastic arm to guide the positioning shaft. Set on the inner side of the elastic arm, by 09813389# single number A〇101 page 4/total 25 page 1013303213-0 1.374001 On August 09, 101, press the replacement page to palm and position the positioning shaft. It is still another object of the present invention to provide an easily configurable pivotable positioning pivot structure. [0012] In order to achieve the above object, the present invention is a rotatably positioned pivot structure including a cover and a cover, the cover system is provided with an opening, and the cover is provided with a positioning on one side of the opening. a rotating shaft, the positioning shaft is provided with a positioning portion, and the lid is movably coupled to the opening of the cover body, and one side of the cover is provided with an elastic piece body, and the elastic piece body is provided with a slot and formed in the through slot The positioning shaft of the cover body is disposed on the inner side of the elastic arm through the slot of the cover, and the inner side of the elastic arm is provided with at least one positioning slot for the positioning shaft The positioning part is stuck. [0013] Compared with the prior art, the pivotable structure of the present invention is characterized in that the cover body is provided with a positioning rotating shaft and a rib, and the elastic cover body having the through groove and the abutting portion is disposed on the cover. Positioning the rotating shaft is positioned in the through groove, and the convex rib is pressed against the weir portion to be elastically deformed, and the frictional resistance of the positioning is increased by the elastic sheet body abutting against the convex rib; further, the pivot structure of the present invention The design is simple, and the cover can be easily assembled on the cover body, which further increases the utility and convenience of the invention. The detailed description and technical contents of the present invention are set forth below with reference to the accompanying drawings. [0015] Please refer to the first to sixth figures, which are the pivotal surface of the present invention, which can be rotated and positioned 3389#单号A〇101, page 5/total 25 pages 1013303213-0 1374001, on August 09, 101 The frame structure 1 of the present invention is disposed on a cover 1〇 and a cover 2〇 The cover 20 is movably coupled to the cover 10 to be condensed and positioned. [0016] Please refer to the second drawing, which is a partial enlarged view of a portion of the first figure; the cover 10 is provided with an opening 101 and an accommodation space 100 communicating with the opening 1〇1, the cover 10 a positioning shaft 丨j is disposed on one side of the opening 101, the positioning shaft 11 extends along one side thereof and is tapered, and a positioning portion 111 is formed at the top end thereof. The end of the positioning shaft 11 is provided with a lead angle 112; In addition, the cover body 1 is provided with a rib 12 adjacent to the positioning shaft 11. In this embodiment, the rib 12 has an L-shaped cross section, and the end is a protrusion 121' 6 The 121 series is provided with a guide angle 122. [00Π] Please refer to the third figure, which is a partial enlarged view of the first part of the first figure; the cover 20 is movably coupled to the opening 1〇1 of the cover 1,, one side of the cover 2〇 An elastic piece 21 is disposed at the positioning shaft 11 corresponding to the cover 1 , and the elastic piece 21 is provided with a through slot 211 , and a resilient arm 212 is formed in the through slot 211 . The positioning shaft 211 is disposed on the inner side of the elastic arm 212, and the inner side of the elastic arm is provided with at least one positioning groove 213 for locking the positioning shaft 11 Positioning unit 111. [0018] Please refer to the fourth figure, which is another side view of the third figure; the elastic piece 21 of the cover 2 is provided with a rib 12 corresponding to the rib 12 of the cover 10, so When the positioning shaft 丨丨 of the cover body 1 is inserted through the through groove 2n, the rib 12 is abutted against the abutting portion 22, and the abutting portion 22 has a concave shape, and The height of the outer side surfaces 221, 223 is higher than the height of the surface 222 of the 1013303213-0 09813389# single number deletion 1 帛 6 pages / 25 pages 137401 * 1101 August; in addition, the cover 20 is further provided with a hook The cover 10 is correspondingly provided with a groove 13 (refer to the first figure), and the hook 23 is fastened in the groove 13 so that the cover 2 covers the opening of the cover 10 Above 101. [0019] Please continue to refer to the fifth figure, which is a partial enlarged view of another view of the c portion in the first figure; in this embodiment, the other side of the cover 2 is also provided with an elastic piece 21'. The elastic body 21' is provided with a shaft hole 21A and an abutting '22'. The cover body 10 is provided with a rotating shaft 11 and a rib 12 on the other side of the opening 101. The shaft 11 and the rib 12 are respectively provided with a lead angle 11Γ, 121, wherein the rotating shaft 11 passes through the shaft hole 210', and the rib 12' abuts against the abutting portion 22, Of course, the elastic piece 21' and the rotating shaft 11 may have the same structure as the elastic piece 21 and the positioning shaft 11 described above. [0020] FIG. 6 is a perspective assembled view of the rotatably positioned planting shaft structure of the present invention; when the pivot structure 1 is assembled, the positioning shaft 11, the rib 12, 12' and the rotating shaft are 11. The end of the 11 is provided with a lead angle. Therefore, when the cover 20 is applied, the positioning shaft 11 and the rotating shaft η of the cover 1 can be inserted into the slot 211 and the shaft hole of the cover 20, respectively. 210'. [0021] Referring to the seventh and eighth figures, it is a cross-sectional view of the pivotal structure of the present invention when the pivot structure is closed; as can be seen from the figure, the hook 23 is fastened to the groove 13, The positioning shaft 11 is located on the inner side of the elastic arm 212, and the positioning portion 111 of the positioning shaft 11 is positioned in the positioning groove 213 of the through slot 211 (this embodiment is provided with two positioning slots 213, 213'). When the rib 12 is pressed against the outer side surface 223 of the abutting portion 22 (refer to the broken line portion in the seventh figure), the elastic sheet body 21 is elastically deformed to withstand the 09813389^^^^* A0101 1013303213-0 Page 7 of 251374001 __ On August 09, 101, replace the outer side 223 of the page, thereby increasing the frictional resistance of this positioning position. [0022] Please refer to the ninth and tenth drawings again, which is a cross-sectional view of the pivot structure of the present invention when the pivot structure is rotated by about 45 degrees; when the flip cover 2 rotates about 45 degrees, the positioning shaft 11 The positioning portion 111 is abutted on a curved surface 214 between the two positioning grooves 213, 213', and the convex rib 12 is located on the intermediate surface 222 of the abutting portion 22 (refer to the dotted line in the ninth figure) In this case, the positioning portion 111 of the positioning shaft 11 compresses the curved surface 214 to elastically deform the elastic arm 212 against the positioning portion 1 to provide frictional resistance of the positioning position. . [0023] Referring to FIG. 11 and FIG. 12, a cross-sectional view of the pivoting structure of the present invention is rotated about 90 degrees; the positioning portion 111 of the positioning shaft η is positioned at another positioning slot 213. In the middle, the rib 12 is pressed against the outer side surface 221 of the abutting portion 22 (refer to the broken line portion in FIG. 11), and the elastic sheet body 21 is elastically deformed to abut against the outer side surface 221 In addition, the frictional resistance of the positioning position is increased; in addition, the position and the number of the positioning grooves 213, 213' in the through slot 2, and the positioning portion 111 of the positioning shaft 皆 can be adjusted as needed Variations to better meet the needs of use [0024] Printing with reference to the twelfth figure, is a schematic diagram of the application of the pivotable structure of the present invention; in this embodiment, the pivot structure is applied to a driver 2 In the implementation, a circuit board 30 is disposed in the accommodating space 1 〇〇 (refer to the first figure), the circuit board 3 is provided with a plurality of connection terminals 31, and the connection terminals 31 are exposed at the opening In 101, when the connection terminals 31 are to be connected, the red turn 5 Xuanyuan cover 20 is It can be surely and firmly positioned in the open state, and the setting of the pivot structure 1 can make the cover 2 not fall back and the 09813389# single number Α〇101 帛8 pages/total 25 pages 1013303213-0 Γ374001 The opening 101 is covered by the replacement page at 101.08.09, which is convenient for the user to use the drive 2. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and other equivalent variations of the patent spirit of the present invention are all within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS [0026] The first figure is an exploded perspective view of a frame axis structure of a rotatable positioning of the present invention; [0027] The second figure is an enlarged view of a portion A in the first figure; [0028] The figure is an enlarged view of a portion B in the first figure; [0029] The fourth figure is a view on the other side of the third figure; [0030] The fifth figure is an enlarged view of a portion C in the first figure; [0031] Figure 6 is a perspective assembled view of the pivotable structure of the present invention; [0032] Figure 7 is a cross-sectional view taken along line 7-7 in the sixth figure; [0033] The eighth figure is in the seventh figure [0034] The ninth diagram is a cross-sectional view of the pivotable structure of the present invention when the pivot structure is rotated by about 45 degrees; [0035] The tenth figure is the pivot of the rotatable positioning of the present invention. Another cross-sectional view of the structure rotated about 45 degrees; [0036] FIG. 11 is a cross-sectional view of the pivot structure of the present invention rotated about 90 degrees; [0037] FIG. Another cross-sectional view of the pivotal structure of the rotational positioning when rotated about 90 degrees; and 〇 981338# single number A0101 page 9 / total 25 pages 1013303213-0 1374001 _-August 09, 2010 Nuclear Replacement Page [0038] The thirteenth diagram is a schematic view of the application of the pivotal structure of the present invention. [Main component symbol description] [0039] 1 frame shaft structure 2 driver 10 cover 100 housing space I 01 opening 11 positioning shaft II 'rotation shaft 111' lead angle 111 positioning portion 112 lead angle 12 rib 12' rib 121' lead angle 1 21 protrusion 122 lead angle 13 groove 20 cover 21 elastic sheet 21' elastic sheet 210' shaft hole 211 through groove 212 elastic arm 213 positioning groove 09813389^ single number A〇101 page 10 / Total 25 pages 1013303213-0 1374001 213' positioning groove 214 arc surface 22 abutting portion 22' abutting portion 221 outer side surface 222 intermediate surface 2 2 3 outer side surface 23 hook 30 circuit board 31 connection terminal single number deletion 1 Page / Total 25 pages 101 August 09 Press positive replacement page 1013303213-0