經濟部智慧財產局員工消費合作社印製 546117 A7 _B7_ 五、發明説明（） 【發明所屬之技術領域】 本發明是關於螺帽構件止轉構造，特別是關於釣魚用 捲線器之螺帽構件止轉構造。 【先行技術】 在以往的紡車式捲線器與雙軸承捲線器等的釣魚用捲 線器，利用螺帽構件，將轉子與手把等締結於例如棒狀的 小齒輪與手把軸上。如此的螺帽構件是由於與小齒輪及手 把等一同旋轉，故受到作用於轉子與手把的慣性力或振動 等，變得容易鬆動。 因此，爲了防止螺帽鬆動，而在螺帽構件的外周安裝 金屬薄板製護圈。在此護圈，形成可不能旋轉地卡止螺帽 構件的外周的螺帽卡止孔、和可供小螺絲插通的插通孔。 在此，以將小螺絲插通於此螺絲插通孔，例如將小螺絲旋 /入於形成在由轉子的前面朝內部突出的轂部的螺絲固定 孔，使護圈不能旋轉地固定於轉子上，而將螺帽止轉。 【發明所欲解決的課題】 前述以往的護圈是以將小螺絲旋入於形成在轉子內部 的螺絲固定孔，固定於轉子上。因此，在轉子的內部，需 要確保用來形成轂部的空間。但，在轉子內部的空間，必 須安裝制動機構或防反轉機構等的其他機構，故確保轂部 設置用空間是困難的。 本發明的課題是在於針對用來將釣魚用捲線器的第1 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ---rj·--.--------訂------Φ (請先閲讀背面之注意事項再填寫本頁) -4- 546117 A 7 B7 五、發明説明（Ϊ 構件締結於第2構件的螺帽構件止轉構要，謀求第1構件 內部的省空間化。 【用以解決課題的手段】 關於發明1的釣魚用捲線器之螺帽構件止轉構造，是 使爲了將釣魚用捲線器的第1構件締結於第2構件而螺合 於前述第2構件的螺帽構件止回的釣魚用捲線器之螺帽構 :件止轉構造，其特徵爲：包括：具有被安裝於前述第1構 件的前述螺帽構件的安裝面的前述螺帽構件外周且不能旋 轉地卡合於前述螺帽構件的外周的卡合部、與一部分突出 於直徑方向外側的突出部的護圈；和突出配置於前述第1 構件的前述前述護圏的外周側，而使前述突出部不能旋轉 地被卡止的護圏卡止部；和被安裝於與前述護圈的前述第1 構件的安裝面相反的面上，用以防止前述護圈由前述第1 構件分離的止脫落構件；和突出配置於前述第1構件的前 述止脫落構件的外周側，且不能移動地被卡止於前述止脫 落構件分離的方向上的指脫落構件卡止部。 在此釣魚用捲線器之螺帽構件止轉構造，被安裝於螺 帽構件外周的護圈是利用將突出部卡止於護圈卡止部，不 能旋轉地固定於第1構件，且利用將止脫落構件卡止於止 脫落構件卡止部，不能移動地固定於第1構件。在此，因 護圈卡止部及止脫落構件卡止部是設在第1構件的表面， 所以不需要使用如以往的結構的小螺絲來固定的方式在第1 構件的內部形成轂部。因此，能夠謀求第1構件內部的省 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） i.-I .曹 I — (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 -5- 546117 A7 B7_ 五、發明説明（\ 空間化。 (請先閲讀背面之注意事項再填寫本頁) 關於發明2的釣魚用捲線器之螺帽構件止轉構造’是 在於發明1的釣魚用捲線器之螺帽構件止轉構造’止脫落 構件爲具有彈力的C字形狀構件。在此情況，利用將例如 由金屬製的彈簧構件所構成的C字形狀構件使用於止脫落 構件，能廉價且容易地提供止脫落構件。 關於發明3的釣魚用捲線器之螺帽構件止轉構造’是 在於發明1或2的釣魚用捲線器之螺帽構件止轉構造’止 脫落構件是被安裝於與突出部的第1構件的安裝面相反側 的面。在此情況，因止脫落構件被安裝於一部分突出在護 圏的直徑方向外側的突出部，所以變得容易防止護圈脫 落。 關於發明4的釣魚用捲線器之螺帽構件止轉構造’是 在於發明1〜3的任一個釣魚用捲線器之螺帽構件止轉構 造，護圏卡止部及止脫落構件卡止部是一體形成的。在此 情況，利用將與第1構件一體或分別形成的轂部兼作爲護 圈卡止部及止脫落構件卡止部，能謀求減少零件數量。 經濟部智慧財產局員工消費合作社印製 關於發明5的釣魚用捲線器之螺帽構件止轉構造，是 在於發明1〜4的任一個釣魚用捲線器之螺帽構件止轉構 造，第1構件爲其轉子，而第2構件爲其小齒輪。在此情 況，能夠謀求紡車式捲線器的轉子內部的省空間化。再 者，在護圈及止脫落構件的形狀爲軸對稱形狀的情況時， 比起在以往結構的使用小螺絲固定的方式，因轉子的旋轉 平衡不易被破壞，所以轉子變得容易滑順地旋轉。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 546117 A7 B7 五、發明説明（> (請先閲讀背面之注意事項再填寫本頁) 關於發明5的釣魚用捲線器之螺帽構件止轉構造，是 在於發明1〜5的任一個釣魚用捲線器之螺帽構件止轉構 造，第1構件爲手把，而第2構件爲手把軸。 在此情況，能夠謀求雙軸承捲線器的手把內部（手把與捲 線器本體之間）的省空間化。 【發明的實施形態】 採用本發明的一實施形態的紡車式捲線器是如第1圖 所示，例如桿制動型紡車式捲線器，具備：安裝著手把1 及制動桿30的捲線器本體2 ;和可自由旋轉地被支承於捲 線器本體2的前部的轉子3 ;和被配置於轉子3的前部，用 以捲取釣線的捲筒4。 捲線器本體2是如第1圖所示，具有安裝於釣竿的竿 安裝腳部2a、與竿安裝腳部2a —體成形的捲線器軀幹2b。 在捲線器軀幹2b的內部，形成收納各種機構用的空間。 經濟部智慧財產局員工消費合作社印製 在捲線器軀幹2b的空間，如第2圖所示，設置有：用 來使轉子3旋轉的轉子驅動機構5 ;用來使捲筒4沿著旋轉 軸心X朝前後方向移動而將釣線平均地捲於捲筒4的往復 移動機構7。 轉子3是合成樹脂，可自由旋轉地支承於捲線器本體2 上。轉子3是如第1圖所示，具有圓筒部3a、在圓筒部3a 的側方相對地設置的第1臂部3b及第2臂部3c。在圓筒部 3a的前部中央部，形成具有貫通孔3e的前臂3d。捲軸8及 小齒輪1 2貫通於此貫通孔3 e。貫通孔3 e是呈大致矩形 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 546117 A7 B7 五、發明説明（Ϊ (請先閲讀背面之注意事項再填寫本頁) 狀，在此貫通孔3e，小齒輪1 2被不能旋轉地卡止著。在第 1臂部3b的前端與第2臂部3c的前端部之間，可自由搖動 地設有半圓形支撐臂9。 捲筒4是合成樹脂製，被配置於轉子3的第1臂部3b 與第2臂部3c之間。捲筒4是可自由裝卸且不能旋轉地被 安裝於捲軸8的前端。捲軸8是利用往復移動機構7可朝 前後方向移動。 轉子驅動機構5是具有與被固定著手把1的手把軸10 一同旋轉的平面齒輪11 ;嚙合於此平面齒輪1 1的小齒輪 12。手把軸10是可自由旋轉地被支承於捲線器本體2上。 小齒輪1 2是形成筒狀，小齒輪1 2的前部是貫通轉子3的 貫通孔3e而延伸於捲筒4側。 經濟部智慧財產局員工消費合作社印製 在小齒輪1 2的前部，爲了締結此小齒輪1 2與轉子3而 六角形狀的螺帽構件15 (參照第2圖）螺合著，藉此，轉 子3與小齒輪12是相對不能旋轉地被連結。在螺帽構件 15’安裝著止鬆動用護圈16。在與護圏16的前壁安裝面相 反側的面，如第3至5圖所示，安裝著用來防止護圈1 6由 前壁3 d離開的止脫落構件1 7。在護圏1 6的外周側，設有 將前壁3d的一部分朝前方突出而形成的環狀卡止部1 8。 護圈1 6是如第3至5圖所示，具有不能旋轉地卡合於 前壁3d的螺帽構件1 5安裝面的螺帽構件丨5外周的大致呈 環狀的卡合部1 6a、一部分由此卡合部1 6a朝直徑方向外側 突出的複數個突出部1 6b。卡合部1 6a是螺帽構件1 5的外 側所卡合的2個六角形的貫通孔偏移30度而形成於1 2 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -8 - 經濟部智慧財產局員工消費合作社印製 546117 A7 B7 五、發明説明（k 處。突出部16b是在卡合部16a的外周徑方向每隔120度突 出形成於3處，且卡止於卡止部1 8。在此，因護圈1 6的形 狀爲軸對稱形狀，所以能使轉子3的旋轉平衡良好。 止脫落構件17是具有彈力的C自形狀構件，例如金屬 製的彈簧構件。止脫落構件1 7是具有朝直徑方向外側擴大 的彈力，邊按壓護圈16的突出部16b邊卡止於卡止部18。 卡止部1 8是具有將其一部分由內周側朝外周側切入 (缺口狀）而形成的護圈卡止部1 8a、由內周側在預定的深 度形成環狀的槽狀止脫落構件卡止部1 8b。在護圈卡止部 18a卡止著護圈16的突出部16b ’而在止脫落構件卡止部 18b卡止著止脫落構件17。 在如此的螺帽構件止轉構造，利用將護圈1 6的突出部 1 6b卡止於護圈卡止部1 8a，不能旋轉地固定著，而利用將 止脫落構件1 7卡止於止脫落構件卡止部1 8b，不能移動地 固定著。在此，因護圈卡止部1 8a及止脫落構件卡止部1 8b 被設在轉子3的表面，所以不需要如以往的使用小螺絲來 固定般地在轉子3的內部形成轂部，可達到轉子3內部的 省空間化。 [其他實施形態] (a )在前述實施形態，將止轉構造使用於締結轉子用 的螺帽構件1 5上，但亦適用於雙軸承捲線器的締結手把用 螺帽等的其他螺帽的止轉。 採用本發明的其他實施形態的雙軸承捲線器是如第6 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 'J,- —,--•衣------、玎------· (請先閲讀背面之注意事項再填寫本頁) -9- 546117 A7 B7_ 五、發明説明（、 (請先閱讀背面之注意事項再填寫本頁) 圖所示，具備捲線器本體101、可自由旋轉地安裝於捲線器 本體101上的手把102、被設在捲線器本體101內部且利用 手把1 02的旋轉來旋轉的捲線用捲筒1 03。在捲線器本體 101的側部，手把102的手把軸110是可自由旋轉地被支承 著。 在手把軸110的前端，不能旋轉地安裝著構成手把102 的曲柄臂102a。在曲柄臂l〇2a的前端，可自由旋轉地安裝 著手把的握把102b。在手把軸110的前端，形成與未圖示 的公螺紋部平行的倒角部。 經濟部智慧財產局員工消費合作社印製 在手把軸110的公螺紋部，螺合著用來將曲柄臂102a 固定於手把軸110的六角形狀的螺帽構件115。在螺帽構件 11 5，安裝著防止螺帽構件11 5鬆動的護圈11 6。在與護圈 116的曲柄臂l〇2a安裝面的相反側的面，安裝著用來防止 護圈116由曲柄臂102a離開的止脫落構件117。在護圈116 外周側，曲柄臂1 02a的一部分突出而形成用來卡止護圈 1 1 6及止脫落構件11 7的卡止部11 8。在此，與前述實施形 態相同地，可達到手把102的內部（手把1 02與捲線器本 體101之間）的省空間化。 (b )在前述實施形態，將六角形狀的螺帽止轉，但適 用本發明的止轉構造的螺帽形狀是不限於此，本發明可適 用於將附六角形孔的螺帽或具有平行的倒角部的螺帽等的 所有形狀的螺帽止轉的構造。 (c )在本實施形態，護圈卡止部1 8a與止脫落構件卡 止部18b是一體成形，但亦可分別形成，也可與前壁3d分 本紙張尺度適用中國國家標準（CNS )八4規格（210X297公釐） -10- 546117 A7 B7 五、發明説明（έ 別形成。 (d )在前述實施形態，止脫落構件1 7是邊按壓護圈 1 6的突出部1 6b邊卡止於止脫落構件卡止部1 8b，但亦可如 第7至9圖所示，邊按壓護圈16的卡合部16a及突出部 16b邊卡止於止脫落構件卡止部18b。又護圈卡止部18a是 隔著間隔形成在6處，具體而言，每隔1 20度配置的3處 的組偏移45度而形成2組。因此，可將螺帽構件1 5每隔 1 5度偏移，配置於24處，而能夠防止止脫落構件卡止部 18b相互地干擾。 【發明效果】 若根據本發明的話，在於用來將釣魚用捲線器的第1 構件締結於第2構件的螺帽構件止轉構造，被安裝於螺帽 構件的外周的護圈是利用將突出部卡止於護圈卡止部，不 能旋轉地固定於第1構件，且利用將止脫落構件卡止於止 脫落構件卡止部，來不能移動地固定於第1構件。在此， 經濟部智慧財產局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 因護圏卡止部及止脫落構件卡止部被設於第1構件的表 面，所以能謀求第1構件內部的省空間化。 【圖面的簡單說明】 第1圖是採用本發明的一實施形態的紡車式捲線器的 側面斷面圖。 第2圖是前述紡車式捲線器的局部斷面擴大圖。 第3圖是轉子的正面部分圖。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -11 - 546117 A7 B7 五、發明説明（合 第4圖是前述轉子的正面斷面擴大圖。 第5圖是前述轉子的側面斷面擴大圖。 第6圖是採用其他實施形態的雙軸承捲線器的側面 圖。 第7圖是其他實施形態的相當於第2圖的圖。 第8圖是其他實施形態的相當於第3圖的圖。 第9圖是其他實施形態的相當於第4圖的圖。 【圖號說明】 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 3 轉子 12 小齒輪 15、115 螺帽構件 16 、 116 護圏 16a 卡合咅β 16b 突出部 17 、 117 止脫落構件 17 、 118 卡止部 18a 護圈卡止部 18b 止脫落構件卡止部 102 手把 110 手把軸。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -12-Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 546117 A7 _B7_ V. Description of the invention (Technical field to which the invention belongs) The present invention relates to a structure for preventing rotation of a nut member, and in particular to a rotation prevention of a nut member of a fishing reel structure. [Preceding technology] In conventional fishing reels such as a spinning wheel type reel and a double bearing reel, a rotor and a handle are attached to, for example, a rod-shaped pinion and a handle shaft using a nut member. Since such a nut member rotates together with a pinion, a handle, etc., it is easily loosened by inertial force, vibration, or the like acting on the rotor and the handle. Therefore, in order to prevent the nut from loosening, a metal thin plate retainer is attached to the outer periphery of the nut member. The retainer is formed with a nut locking hole that locks the outer periphery of the nut member in a rotatable manner, and an insertion hole through which a small screw can be inserted. Here, a small screw is inserted into this screw insertion hole, for example, a small screw is screwed / into a screw fixing hole formed in a hub portion protruding from the front of the rotor to the inside, so that the retainer is fixed to the rotor in a non-rotatable manner. Up and stop the nut. [Problem to be Solved by the Invention] The conventional retainer is fixed to the rotor by screwing a small screw into a screw fixing hole formed inside the rotor. Therefore, it is necessary to secure a space for forming a hub inside the rotor. However, in the space inside the rotor, other mechanisms such as a braking mechanism or an anti-reverse mechanism must be installed, so it is difficult to secure a space for the hub. The subject of the present invention is to apply the Chinese National Standard (CNS) A4 specification (210X297 mm) to the first paper size used for fishing reels. --- rj · -------------- Order ------ Φ (Please read the precautions on the back before filling out this page) -4- 546117 A 7 B7 V. Description of the invention (Ϊ The structure of the nut component of the nut component is determined by the second component, and seek Space saving in the first member. [Means for solving the problem] The rotation prevention structure of the nut member of the fishing reel according to the first invention is to connect the first member of the fishing reel to the second member. The nut structure of the fishing reel for screwing back the nut member screwed to the second member: a non-rotating structure, characterized in that it includes mounting of the nut member that is mounted on the first member. The nut member on the outer periphery of the nut member engaged with the outer periphery of the nut member in a non-rotatable manner, and a retainer with a protruding portion that partially protrudes outward in the diameter direction; Protects the outer peripheral side of the cymbal so that the aforementioned protrusion is blocked from rotating A guard retaining portion; and a detachment preventing member installed on a surface opposite to the mounting surface of the first member of the retainer to prevent the retainer from being separated by the first member; and protrudingly disposed on the aforementioned member The outer peripheral side of the above-mentioned drop-off preventing member of the first member is immovably locked at a finger-dropping member locking portion in a direction in which the above-mentioned drop-off preventing member is separated. Here, the nut member of the fishing reel has a rotation-preventing structure, The retainer attached to the outer periphery of the nut member is locked to the first member by locking the protruding portion to the retainer locking portion, and the retaining ring is not locked to the retaining member locking portion. It is fixed to the first member in a movable manner. Here, since the retaining ring locking portion and the falling-off preventing member locking portion are provided on the surface of the first member, it is not necessary to use a small screw such as the conventional structure to fix it. 1 The inner part of the component forms the hub. Therefore, it is possible to achieve the provincial paper size in the first component to apply the Chinese National Standard (CNS) A4 specification (210X297 mm) i.-I. Cao I — (Please read the note on the back first Refill This page) Order printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -5- 546117 A7 B7_ V. Description of the invention (\ Spatialization. (Please read the precautions on the back before filling this page) About the fishing reel of invention 2 The nut member rotation preventing structure is the nut member rotation preventing structure of the fishing reel according to the first invention, and the "fall-off preventing member" is an elastic C-shaped member. In this case, a spring member made of, for example, a metal The formed C-shaped member is used as a drop-off preventing member, and the drop-off preventing member can be provided inexpensively and easily. The rotation-preventing structure of the nut member of the fishing reel according to the third invention is the fishing reel according to the first or second invention. The nut member rotation-preventing structure 'the fall-off prevention member is a surface mounted on the side opposite to the mounting surface of the 1st member of a protrusion part. In this case, since the detachment preventing member is attached to a protruding portion that partially protrudes outward in the diameter direction of the guard, it becomes easy to prevent the retainer from falling off. The rotation prevention structure of the nut member of the fishing reel according to the invention 4 is the rotation prevention structure of the nut member of the fishing reel according to any of the inventions 1 to 3. The guard locking portion and the stopping member locking portion are Integrated. In this case, it is possible to reduce the number of parts by using the hub portion formed integrally or separately with the first member as the retainer retaining portion and the retaining member retaining portion. The anti-rotation structure of the nut member of the fishing reel according to invention 5 printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs is the anti-rotation structure of the nut member of any fishing reel according to invention 1 to 4, the first member Its rotor and its second member is its pinion. In this case, it is possible to save space inside the rotor of the spinning reel. In addition, when the shapes of the retainer and the anti-falling member are axisymmetric, compared with the method of fixing with a small screw in the conventional structure, the rotation balance of the rotor is not easily broken, so the rotor becomes smoother. Spin. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 546117 A7 B7 V. Description of the invention (& (Please read the precautions on the back before filling this page) About the screw of the fishing reel of invention 5 The rotation prevention structure of the cap member is the rotation prevention structure of the nut member of any of the fishing reels according to inventions 1 to 5. The first member is a handlebar and the second member is a handlebar shaft. In this case, a double Space saving inside the handle of the bearing winder (between the handle and the winder body). [Embodiment of the invention] A spinning-type winder adopting an embodiment of the present invention is shown in FIG. A brake type spinning reel includes: a reel body 2 to which a handle 1 and a brake lever 30 are attached; a rotor 3 rotatably supported on a front portion of the reel body 2; and a front portion of the rotor 3 The reel 4 is used for winding the fishing line. As shown in Fig. 1, the reel body 2 has a rod mounting leg 2a attached to the fishing rod, and a reel body 2b formed integrally with the rod mounting leg 2a. Inside the body of the reel 2b, Space for storing various institutions. The space printed on the reel body 2b by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, as shown in Fig. 2, is provided with: a rotor driving mechanism 5 for rotating the rotor 3; The reel 4 moves along the rotation axis X in the front-rear direction to evenly wind the fishing line around the reciprocating mechanism 7 of the reel 4. The rotor 3 is a synthetic resin and is rotatably supported on the reel body 2. The rotor 3 As shown in Fig. 1, the cylindrical portion 3a is provided with a first arm portion 3b and a second arm portion 3c which are provided on the sides of the cylindrical portion 3a so as to face each other. A central portion of the front portion of the cylindrical portion 3a is formed. A forearm 3d with a through hole 3e. The reel 8 and the pinion 12 pass through this through hole 3e. The through hole 3e is approximately rectangular. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 546117 A7 B7 V. Description of the invention (Ϊ (Please read the precautions on the back before filling in this page). In this through-hole 3e, the pinion 12 is locked so that it cannot rotate. The front end of the first arm 3b and the first A semicircular support arm is provided between the front ends of the two arm portions 3c so as to be able to swing freely 9. The reel 4 is made of synthetic resin and is arranged between the first arm portion 3b and the second arm portion 3c of the rotor 3. The reel 4 is detachably mounted on the front end of the reel 8 without rotation. The reel 8 is a back-and-forth movement using a reciprocating mechanism 7. The rotor driving mechanism 5 is a flat gear 11 that rotates together with the handle shaft 10 to which the handlebar 1 is fixed; a pinion gear 12 that meshes with the flat gearwheel 11. The shaft 10 is rotatably supported on the reel body 2. The pinion 12 is formed in a cylindrical shape, and the front portion of the pinion 12 is a through hole 3e penetrating the rotor 3 and extends on the side of the reel 4. Economy The consumer cooperative of the Ministry of Intellectual Property Bureau is printed on the front of the pinion 12 and a hexagonal nut member 15 (refer to FIG. 2) is screwed together to conclude the pinion 12 and the rotor 3, whereby the rotor 3 and the pinion gear 12 are relatively non-rotatably connected. A retainer 16 for preventing loosening is attached to the nut member 15 '. On the surface opposite to the front wall mounting surface of the guard 16, as shown in FIGS. 3 to 5, a retaining member 17 is installed to prevent the retainer 16 from leaving the front wall 3 d. On the outer peripheral side of the guard 16 is provided a ring-shaped locking portion 18 formed by projecting a part of the front wall 3d forward. The retainer 16 is a nut member that has a nut member 15 that is non-rotatably engaged with the mounting surface of the front wall 3d as shown in FIGS. And a plurality of protruding portions 16 b partially protruding from the engaging portion 16 a outward in the diameter direction. The engaging portion 16a is formed by two hexagonal through-holes engaged by the outer side of the nut member 15 at an offset of 30 degrees and formed at 12. This paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm). ) -8-Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 546117 A7 B7 V. Description of the invention (k). The protrusions 16b are formed at 3 locations every 120 degrees in the outer circumferential direction of the engaging portion 16a. It stops at the locking portion 18. Here, the shape of the retainer 16 is axisymmetric, so that the rotation of the rotor 3 can be well balanced. The drop-off preventing member 17 is a C-shaped member having elastic force, for example, made of metal. A spring member. The detachment preventing member 17 has an elastic force that expands outward in the diameter direction, and is locked to the locking portion 18 while pressing the protruding portion 16b of the retainer 16. The locking portion 18 has a part of the inner peripheral side The retainer retaining portion 18a is formed by being cut into the outer peripheral side (notched), and the annular retaining member retaining portion 18b is formed in a ring shape at a predetermined depth from the inner peripheral side. The retainer retaining portion 18a is engaged. The protrusion 16b 'of the retainer 16 is stopped, and the stopper member locking portion 18b is locked. Disengagement member 17. In such a nut member rotation-preventing structure, the protruding portion 16b of the retainer 16 is locked to the retainer retaining portion 18a, and cannot be fixed in a rotatable manner. It is locked at the locking member locking portion 18b and cannot be moved and fixed. Here, the retainer locking portion 18a and the locking member locking portion 18b are provided on the surface of the rotor 3. Conventionally, a hub portion is formed inside the rotor 3 by using a small screw to fix the space inside the rotor 3. [Other Embodiments] (a) In the foregoing embodiment, a rotation stop structure is used for rotor connection. The nut member 15 is provided, but it is also applicable to the non-rotation of other nuts such as a nut for a handle of a double bearing winder. The double bearing winder adopting another embodiment of the present invention is the sixth paper. Applicable to China National Standard (CNS) A4 specifications (210X297 mm) 'J,-—,-• clothing ------, 玎 ------ · (Please read the notes on the back before filling This page) -9- 546117 A7 B7_ V. Description of the invention (, (Please read the precautions on the back before filling in this (Page) As shown in the figure, the reel main body 101 is provided, a handle 102 rotatably mounted on the reel main body 101, and a coil for winding a wire provided inside the reel main body 101 and rotated by the rotation of the handle 102. Tube 103. The handle shaft 110 of the handle 102 is rotatably supported on the side of the spool body 101. A crank arm constituting the handle 102 is rotatably mounted at the front end of the handle shaft 110. 102a. At the front end of the crank arm 102a, a handle 102b of a handle is rotatably mounted. A chamfered portion is formed at the front end of the handle shaft 110 in parallel with a male screw portion (not shown). Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. On the male thread portion of the handle shaft 110, a hexagonal nut member 115 for fixing the crank arm 102a to the handle shaft 110 is screwed. A retainer 116 is attached to the nut member 115 to prevent the nut member 115 from loosening. On the surface opposite to the mounting surface of the crank arm 102a of the retainer 116, a detachment preventing member 117 for preventing the retainer 116 from being separated from the crank arm 102a is attached. On the outer peripheral side of the retainer 116, a part of the crank arm 102a protrudes to form a locking portion 118 for locking the retainer 1 1 6 and the release member 11 7. Here, in the same manner as the aforementioned embodiment, it is possible to save space inside the handlebar 102 (between the handlebar 102 and the reel body 101). (b) In the foregoing embodiment, the hexagonal nut is stopped, but the shape of the nut to which the stop structure of the present invention is applied is not limited to this. The present invention can be applied to a nut with a hexagonal hole or a parallel The structure of all kinds of nuts, such as the nut at the chamfered portion, is non-rotating. (c) In this embodiment, the retaining ring locking portion 18a and the retaining member locking portion 18b are integrally formed, but they can also be formed separately, or they can be separated from the front wall 3d. The paper size applies the Chinese National Standard (CNS) Size 8 (210X297 mm) -10- 546117 A7 B7 V. Description of the invention (Do n’t form it. (D) In the aforementioned embodiment, the falling-off preventing member 17 is a protruding portion 1 6b while pressing the retaining ring 16 6 side card It stops at the locking member 18 b, but as shown in FIGS. 7 to 9, it can be locked at the locking member 18 b while pressing the engaging portion 16 a and the protruding portion 16 b of the retainer 16. The retainer locking portions 18a are formed at six positions with an interval, specifically, three groups arranged at intervals of 120 degrees are shifted by 45 degrees to form two groups. Therefore, the nut members 15 It is offset by 15 degrees, and is arranged at 24 positions, so that the blocking members 18b can be prevented from interfering with each other. [Effects of the Invention] According to the present invention, the first member for fishing fishing reel is connected to the first member. Two-piece nut member rotation-prevention structure. The retainer attached to the outer periphery of the nut member is used to lock the protruding portion to the retainer. The locking portion is fixed to the first member in a non-rotatable manner, and the locking member is locked to the first member in a non-movable manner by locking the locking member to the locking member. Here, the Consumer Property Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed (please read the precautions on the back before filling in this page). Since the guard locking part and the retaining member locking part are provided on the surface of the first member, space saving inside the first member can be achieved. Brief description of the drawings] Fig. 1 is a side sectional view of a spinning wheel type reel to which an embodiment of the present invention is applied. Fig. 2 is an enlarged partial sectional view of the spinning wheel type reel. Fig. 3 is a view of a rotor. Partial view of the front. This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297mm) -11-546117 A7 B7 5. Description of the invention (Figure 4 is an enlarged view of the front section of the aforementioned rotor. Figure 5 is An enlarged side sectional view of the rotor. Fig. 6 is a side view of a double-bearing winder using another embodiment. Fig. 7 is a view corresponding to Fig. 2 of another embodiment. Fig. 8 is a view of another embodiment. Equivalent to Figure 3 Figure 9. Figure 9 is a figure equivalent to Figure 4 in other embodiments. [Illustration of figure number] (Please read the precautions on the back before filling out this page) Printed by the Intellectual Property Bureau Staff Consumer Cooperatives 3 Rotor 12 Pinion gear 15, 115 Nut member 16, 116 Guard 圏 16a Engagement 突出 β 16b Protrusion 17, 117 Drop-off preventing member 17, 118 Locking portion 18a Guard ring locking portion 18b Stop-off member locking portion 102 Hand Handle with 110 handles. This paper size is applicable to China National Standard (CNS) A4 (210X297 mm) -12-