201239211 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係關於使2個内螺紋彼此間可彼此結合之内螺紋構 造。 【先前技術】 [0002] 俗稱所謂防鎖合鬆開類的螺紋已提案有各式各樣的種類 。然而這些並非完全防止鎖合鬆開，只是可使鎖合鬆開 的進行速度延緩，換言之被分類為鎖合難以鬆開的螺紋 _ 。鑒於這個問題，日本專利文獻1中揭示機械結構上改造 〇 成防止鎖合鬆開，可完全防止鎖合鬆開之螺紋構造。 [0003] 尤其專利文獻1中記載之螺紋構造當中的所謂棘齒型的内 螺紋構造係使成對之2個内螺紋彼此間在外螺紋上的所要 位置彼此結合則可實現完全結合的狀態。 [0004] 專利文獻：PCT/JP2009/053092 【發明内容】 [0005] 發明所欲解決之課題 〇 [0006] 該日本專利文獻1中第23、24圖等記載之内螺紋為彼此對 向之兩内螺紋各別的端面所形成之棘齒構造部分分別為 對該端面大致成垂直地凸設或凹設之構造，在另一方棘 齒頂部插入其中一方棘齒根部的位置與該内螺紋的緊固 量之關係上，不施予適當的緊固則會有該棘齒之頂部的 位置最大僅偏離棘齒的一個齒距量的可能性。 [0007] 因該一個齒距量的旋轉位置偏離而導致軸方向的位置偏 離量，假設螺紋螺距為1. 0mm而棘齒齒距為10°的話，最 1011〇21#單編號厕01 第3頁/共22頁 1013192275-0 201239211 大約為0. 028rara，依螺紋的精度或用途則在公差的範圍内 、或者被結合力所導致軸方向的彈性變‘彳·實 際上並未造成位置偏離或軸力改變，但螺紋螺距或棘齒 齒距變大的話，軸方向的位置偏離量也會依該變大量成 比例變大。例如螺紋螺距設定在3麵而棘齒齒距設定在 120°時軸方向的位置偏離量最大為丨刪。 [0008] [0009] [0010] [0011] [0012] [0013] 10110210^^^ 然則’為了要使結合不致引起該位置偏離，針對棘齒齒 距’以由完全結合的位置僅再—個齒距量緊固的方式即 可’但由完全結合位置的再—個齒距量之緊固作業會有 困難。 本發明之目的制以解決上述的問題，提供以適當的緊 固力矩即㈣地獲得成對之内螺紋彼此間結合的狀態， 可簡單地獲得完全結合的狀態之内螺紋構造。 用以解決課題之手段 本發明的㈣紋構造，其特徵為：具備成對 及第2内第1内螺紋的—端具有從一到頂端縮徑 之凸部\螺紋的〜端具有從底部到開π部擴徑之凹 部，在凸部及上述凹部當中至少其中一 以上的卡合部，在另〜方的汽面n 周面设置1個 合的被卡合部。的周面汉置1-上的卡合部卡 凸部及凹部係以使凸部及凹料中其中的〜方彈 性變形而彼此嵌合的方式構成。 一 凸部的縱向剖面之成為 部的縱向剖面之形成内 A0101 第 4 g 外形的輪獅狀與對應於此之凹 形的輪廓形狀彼此不相同。 /共22頁 1013192275-0 201239211 [0014] 凸部的縱向剖面之成為外形的輪廓形狀與對應於此之凹 部的縱向剖面之成為内形的輪廓形狀設定成同樣。 [0015] 從基端到頂端縮徑之凸部的外周面對軸方向的傾斜角與 從開口面到底面縮徑之凹部的内周面對軸方向的傾斜角 彼此不相同。 [0016] 相對於從基端到頂端縮徑之凸部的外周面對軸方向的傾 斜角，縮小設定從開口面到底面縮徑之凹部的内周面對 轴方向的傾斜角。 〇 [0017] 凸部之基端部的外徑設定成比凹部之開口部的内徑大。 [0018] 卡合部形成為鋸齒狀。 [0019] 被卡合部形成為鋸齒狀。 [0020] 卡合部的設定數量與被卡合部的設定數量同等。 [0021] 卡合部的設定數量與被卡合部的設定數量不相同。 [0022] 第1内螺紋的螺旋溝槽與第2内螺紋的螺旋溝槽彼此不相 Ο 151。 [0023] 第1内螺紋的螺旋溝槽的螺距與第2内螺紋的螺旋溝槽的 螺距彼此不相同。 [0024] 第1内螺紋的螺旋溝槽及第2内螺紋的螺旋溝槽當中，其 中一方成為右旋轉的螺旋溝槽，另一方成為左旋轉的螺 旋溝槽。 [0025] 第1内螺紋與第2内螺紋設定成不相同的外徑。 [0026] 發明效果 1013192275-0 10110210^單編號A〇101 第5頁/共22頁 201239211 [0027] 依據應用本發明而構成之内螺紋構造，以設置在第1内螺 紋的一端且從基端到頂端縮徑在其外周面具有卡合部之 凸部嵌合於設置在第2内螺紋的一端且從開口面到底面縮 徑在其内周面具有被卡合部之凹部，該兩第1内螺紋及第 2内螺紋在外螺紋上彼此鎖合的方式構成，可在該兩第1 内螺紋及第2内螺紋彼此接近而使凸部更加深入對凹部嵌 入凹部時，與第1内螺紋及第2内螺紋相對旋轉的同時逐 漸形成更強的結合狀態，而且可輕易地使卡合部卡合到 被卡合部，在此卡合狀態下可完全防止第1内螺紋與第2 螺紋之間的相對反向旋轉。另外，由卡合部與被卡合部 的一個卡合位置移往第1内螺紋與第2内螺紋的相對旋轉 導致更加的結合狀態之下一段的卡合位置明顯變容易。 [0028] 另外，在第1内螺紋的螺旋溝槽與第2内螺紋的螺旋溝槽 設成彼此不相同的情況，尤其在第1内螺紋的螺旋溝槽的 螺距與第2内螺紋的螺旋溝槽的螺距設成彼此不相同且以 對第1内螺紋與第2内螺紋彼此接近的相對旋轉方向容許 旋轉而對該反向旋轉則防止旋轉的方式，設定成卡合部 與被卡合部均對應的鋸齒狀之棘齒構造的情況，因可完 全防止於第1内螺紋與第2内螺紋之間的相對反向旋轉， 所以在外螺紋上的所要位置可輕易地完全防止鎖合鬆開 。另外，在以第1内螺紋的螺旋溝槽與第2内螺紋的螺旋 溝槽當中其中一方設定成右螺紋，另一方設定成左螺紋 且對第1内螺紋與第2内螺紋彼此接近的相對旋轉方向容 許旋轉而對該反向旋轉則防止旋轉的方式，設定成卡合 部與被卡合部均對應的鋸齒狀之棘齒構造的情況，因可 1〇1順#單編號纽01 第6頁/共22頁 1013192275-0 201239211 完全防止於第1螺紋與第2螺紋之間的相對反向旋轉，所 以在外螺紋上的所要位置可輕易地完全防止鎖合鬆開。 [0029] 另外，使凸部朝向頂端縮徑，使凹部朝向開口部擴徑， 提高利用鍛造的製造上模具的保持或脫開並提高產能。 【實施方式】 [0030] 用以實施發明的形態 [0031] 以下詳細說明本發明的内螺紋構造之實施形態。本發明 的内螺紋構造具備成對之第1内螺紋及第2内螺紋。當然 〇 此處所言及之内螺紋係除如同所謂螺帽將被結合體與所 謂螺栓等的外螺紋體鎖合而結合之結合構件外，其他還 包括被結合體本身所開孔之附有螺旋溝槽的孔等。 [0032] 第1内螺紋係在其軸方向的一端侧具有從基端到頂端縮徑 之凸部。第2内螺紋係在其軸方向的一端側具有從端面凹 設且從其開口面到底面縮徑之凹部。該凸部及凹部係用 以彼此嵌合而使該第1内螺紋與第2内螺紋彼此結合。 Q [0033] 凸部及凹部的其中一方能以凸部嵌合於凹部時彈性或塑 性變形而嵌入的方式構成，尤其在以彈性變形的同時嵌 合的方式構成的情況，容易獲得完全防鎖合鬆開的狀態 。作為如此用以設成伴隨變形的嵌合之構成，例如以凸 部的縱向剖面之成為外形的輪廓形狀與對應於此之凹部 的縱向剖面之成為内形的輪廓形狀彼此不相同的方式設 定。更具體上，例如即使以從基端到頂端縮徑之凸部的 外周面對轴方向的傾斜角與從開口面到底面縮徑之凹部 的内周面對軸方向的傾斜角彼此不相同的方式設定仍可 1013192275-0 10110210#單編號A〇101 第7頁/共22頁 201239211 達：在此清况’错由相對於從基端到 的外周面對礙 = 縮徑之凹部_物_的侧，即可實: 對凹部的細__自魄嗔㈣的緊·201239211 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to an internal thread structure in which two internal threads can be coupled to each other. [Prior Art] [0002] The thread of the so-called anti-locking release type has been proposed in various types. However, these do not completely prevent the lock from being loosened, but only the speed at which the lock release is released is delayed, in other words, it is classified as a thread that is difficult to loosen. In view of this problem, Japanese Patent Document 1 discloses that the mechanical structure is modified to prevent the lock from being loosened, and the threaded structure of the lock release can be completely prevented. [0003] In particular, the so-called ratchet type internal thread structure among the screw structures described in Patent Document 1 allows a pair of two internal threads to be coupled to each other at a desired position on the male screw to achieve a fully coupled state. [0004] PCT/JP2009/053092 [Patent Document] [0005] The problem to be solved by the invention [0006] The internal threads described in the 23rd, 24th, etc. of the Japanese Patent Document 1 are two opposite to each other. The ratcheting portions formed by the respective end faces of the internal threads are respectively configured such that the end faces are substantially vertically convex or concave, and the position of one of the ratchet roots is inserted into the top of the other ratchet teeth and the internal thread is tight. In the relationship of solids, without proper tightening, there is a possibility that the position of the top of the ratchet is at most offset from the amount of one tooth of the ratchet. [0007] The positional deviation of the axial direction is caused by the deviation of the rotational position of the one tooth distance. If the thread pitch is 1.0 mm and the ratchet pitch is 10°, the most 1011〇21# single number toilet 01 3rd Page / Total 22 pages 1013192275-0 201239211 Approx. 028rara, depending on the accuracy or use of the thread, within the tolerance range, or the elastic force in the axial direction caused by the bonding force '彳· does not actually cause a positional deviation or When the axial force is changed, but the thread pitch or the ratchet pitch becomes large, the amount of positional deviation in the axial direction becomes larger in proportion to the larger amount. For example, when the thread pitch is set to 3 faces and the ratchet pitch is set to 120°, the positional deviation amount in the axial direction is the largest. [0010] [0012] [0012] [0012] [0012] [0012] 10110210 ^ ^ ^ Then 'in order to make the joint does not cause the position to deviate, for the ratchet pitch 'to be only one more from the fully combined position The method of tightening the pitch can be 'but it is difficult to tighten the work from the full-position position. SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a state in which a pair of internal threads are coupled to each other with an appropriate tightening torque, i.e., (4), and an internally threaded configuration in a fully joined state can be easily obtained. Means for Solving the Problem A (four) texture structure according to the present invention is characterized in that: the end having the pair and the second inner first internal thread has a convex portion from one end to the distal end, and the end of the thread has a bottom end from the bottom to the end A recessed portion having a diameter of π is opened, and at least one of the engaging portion and the recessed portion is provided with one or more engaged portions on the other surface of the steam surface n. The engaging portion card on the circumferential surface of the first surface is formed so that the convex portion and the concave portion are elastically deformed in the convex portion and the concave portion to be fitted to each other. The longitudinal section of a convex portion is formed in the longitudinal section of the portion A0101 The lion-like shape of the 4th g-shape and the contour shape corresponding to the concave shape are different from each other. / Total 22 pages 1013192275-0 201239211 [0014] The outline shape of the longitudinal cross section of the convex portion is set to be the same as the contour shape of the longitudinal cross section corresponding to the longitudinal section of the concave portion. [0015] The inclination angle of the outer circumferential surface of the convex portion from the base end to the tip end diameter is different from the inclination angle of the inner circumferential surface of the concave portion which is reduced in diameter from the opening surface to the bottom surface. [0016] With respect to the inclination angle of the outer circumferential surface of the convex portion which is reduced in diameter from the base end to the distal end, the inclination angle of the inner circumferential surface of the concave portion which is reduced in diameter from the opening surface to the bottom surface is reduced.外径 [0017] The outer diameter of the base end portion of the convex portion is set to be larger than the inner diameter of the opening portion of the concave portion. [0018] The engaging portion is formed in a zigzag shape. [0019] The engaged portion is formed in a zigzag shape. [0020] The number of the engagement portions is equal to the number of the engagement portions. [0021] The set number of the engaging portions is different from the set number of the engaged portions. [0022] The spiral groove of the first internal thread and the spiral groove of the second internal thread do not intersect each other 151. [0023] The pitch of the spiral groove of the first internal thread and the pitch of the spiral groove of the second internal thread are different from each other. [0024] Among the spiral grooves of the first female screw and the spiral groove of the second female screw, one of them becomes a right-rotating spiral groove, and the other becomes a left-rotating spiral groove. [0025] The first female screw and the second female screw are set to have different outer diameters. Effects of the Invention 1013192275-0 10110210^Single Number A〇101 Page 5 of 22 201239211 [0027] An internal thread configuration constructed in accordance with the application of the present invention is provided at one end of the first internal thread and from the base end a convex portion having an engaging portion at the outer peripheral surface of the reduced diameter is fitted to a concave portion provided at one end of the second female screw and having a reduced diameter from the opening surface to the bottom surface, and having an engaged portion on the inner circumferential surface thereof, the two The internal thread and the second internal thread are interlocked with each other on the external thread, and when the two first internal threads and the second internal thread are close to each other and the convex portion is further penetrated into the concave portion, the first internal thread is inserted. And the second internal thread is relatively rotated while gradually forming a stronger joint state, and the engaging portion can be easily engaged to the engaged portion, and the first internal thread and the second thread can be completely prevented in the engaged state. Relative relative rotation between. Further, the relative rotation of the first internal thread and the second internal thread by the engagement position of the engaging portion and the engaged portion causes the engagement position of one segment to be significantly easier in the more coupled state. [0028] Further, the spiral groove of the first internal thread and the spiral groove of the second internal thread are different from each other, in particular, the pitch of the spiral groove of the first internal thread and the spiral of the second internal thread The pitch of the grooves is set to be different from each other, and the relative rotation direction in which the first female screw and the second female screw are close to each other is allowed to rotate, and the reverse rotation is prevented from rotating. The engagement portion is set to be engaged with the engagement portion. In the case of the corresponding serrated ratchet structure, since the relative reverse rotation between the first internal thread and the second internal thread can be completely prevented, the desired position on the external thread can easily completely prevent the lock loose. open. Further, one of the spiral groove of the first female screw and the spiral groove of the second female screw is set to a right-hand thread, and the other is set to a left-hand thread and the first internal thread and the second internal thread are close to each other. The rotation direction is allowed to rotate, and the reverse rotation is prevented from being rotated. The zigzag ratchet structure corresponding to both the engagement portion and the engaged portion is set, and the number can be set to 1#1##### 6 pages/total 22 pages 1013192275-0 201239211 The relative reverse rotation between the first thread and the second thread is completely prevented, so that the desired position on the external thread can easily completely prevent the lock from being loosened. Further, the convex portion is reduced in diameter toward the distal end, and the concave portion is expanded in diameter toward the opening portion, thereby improving the holding or disengaging of the upper mold by forging and increasing the productivity. [Embodiment] [0030] Embodiments for Carrying Out the Invention [0031] Hereinafter, embodiments of the female screw structure of the present invention will be described in detail. The female screw structure of the present invention includes a pair of first internal threads and second internal threads. Of course, the internal thread mentioned here is not only a so-called nut but also a coupling member which is combined with an externally threaded body such as a bolt, and the like, and the other includes a spiral groove which is opened by the combined body itself. The hole of the slot, etc. [0032] The first female screw has a convex portion whose diameter is reduced from the proximal end to the distal end on one end side in the axial direction. The second female screw has a concave portion recessed from the end surface and having a diameter reduced from the opening surface to the bottom surface on one end side in the axial direction. The convex portion and the concave portion are fitted to each other to couple the first female screw and the second female screw to each other. Q [0033] One of the convex portion and the concave portion can be configured to be elastically or plastically deformed when the convex portion is fitted into the concave portion, and in particular, it is configured to be fitted while being elastically deformed, and it is easy to obtain complete anti-locking. Released state. The configuration in which the fitting is performed in accordance with the deformation is set such that the contour shape of the outer shape of the longitudinal section of the convex portion and the contour shape of the inner shape of the longitudinal section of the concave portion are different from each other. More specifically, for example, even if the inclination angle of the outer circumferential surface of the convex portion which is reduced in diameter from the base end to the distal end is different from the inclination angle of the inner circumferential surface of the concave portion which is reduced in diameter from the opening surface to the bottom surface, the inclination angle is different from each other. The mode setting can still be 1013192275-0 10110210#单号A〇101 Page 7 / Total 22 pages 201239211 达: In this case, the error is caused by the concave surface relative to the outer circumference from the base end. The side can be real: the tightness of the concave part __ self-魄嗔 (four) tight
k慢地伴隨彈性變形。H 再者’精由將凸部之基端部的外 妓定成_部之開°部_徑大，即可實現更確實地 伴隨彈性變形。 ' [0034] 在凸部的外周面的適當位置設置適當數量的卡合部。此 卡合部係卡合於凹部的_面所設置之被卡合部，用以 機械結構上防止第1内螺紋與第2内螺紋的相對旋轉。此 卡合部的形狀並沒有特別的限定，不過例如可形成為鋸 齒狀。在此情況，較佳為以容許第1内螺紋與第2内螺紋 的相對一個旋轉方向但防止其反方向旋轉的方式設定， 卡合部對被卡合部的設定數量設成同等的話，可藉由正 轉或反轉構成必要較大的力矩且更加牢固'或者將該設 定數量設成彼此不相同的話，構成可更細微地設定卡合 齒距也將正轉或反轉所必要的力矩設成更小。 [0035] 第8頁/共22頁 1013192275-0 在凹部的外周面的適當位置設置適當數量的被卡合部。 此被卡合部係卡合於凸部的外周面所設置之卡合部，用 以機械結構上防止第1内螺紋與第2内螺紋的相對故轉。 此卡合部的形狀並沒有特別的限定，不過例如可形成為 鋸齒狀。在此情況，較佳為以容許第1内螺紋與第2内螺 紋的相對一個旋轉方向但防土其反方向旋轉的方式設定 ，卡合部對被卡合部的設定數量設成同等的°舌可藉由 正轉或反轉構成必要較大的力矩^•更加牢固、或者將該 101102H#單編虼 A〇i〇1 201239211 設定數量設成彼此不相同的話，構成可更細微地設定卡 合#距也將正轉或反轉所必要的力矩設成更小。 [0036] ❹ Ο 第1内螺紋的螺旋溝槽可設成適當的尺寸或構成，不過為 了要獲得防鬆開效果以作為螺旋結合體，較佳為將第1内 螵紋的螺旋溝槽與第2内螺紋的螺旋溝槽設定成彼此不相 同，例如也能以第1内螺紋的螺旋溝槽的螺距與第2内螺 紋的螺旋溝槽的螺距彼此不相同的方式設定、或者第1内 螺紋的螺旋溝槽與第2内螺紋的螺旋溝槽當中其中一方成 為右旋轉的螺旋溝槽而另一方成為左旋轉的螺旋溝槽的 方式構成。當然也能以第1内螺紋的螺旋溝槽與第2内螺 紋的螺旋溝槽當中其中一方設成右螺紋而另一方設成左 螺紋且該兩右螺紋的螺距與左螺紋的螺距彼此不相同的 方式設定。如同這些，以第1内螺紋的螺旋溝槽與第2内 螺紋的螺旋溝槽彼此不相同的方式即是施予螺紋螺距不 相同或螺紋方向不相同的設定，可完全防止朝鬆開方向 的旋轉。也就是即使設成V防止凸部與凹部㈣合關係 所導致之第1内螺紋與第2内嫘紋朝背離的方向的相對旋 轉，僅這點雖會有被-體、结合之該2個内螺紋彼此間可一 體地朝Μ方向旋轉的事態，但仍稱得上可將此事態元 全消除。但是針對相同方兩的螺紋方向之第1螺紋及第2 螺紋，在敎螺距設定衫相同的情況’期望使比較細 微螺距的内螺紋體位於外嫘紋的頂端侧° [0037] 另外’可以分別呈螺帽狀構成第1内螺紋及第2内螺紋並 將該兩賴蚊成彼此不相同。當然該兩内螺紋的外徑 也可設定成同等，但藉由不相同的設疋’可在使用α 而_，單編號删1 第9頁/共22頁 1013192275-0 201239211 用工具等予以結合時使結合作業更加容易。 [0038] [0039] [0040] [0041] 實施例1 參考附圖詳細說明應用本發明而形成的實施例之内螺紋 構造1。本實施例的内螺紋構造1係如第1圖所示，具備成 對之第1内螺紋2及第2内螺紋3的2個内螺紋而構成，可在 外螺紋B上以較小的力矩藉由機械結構使第1内螺紋2與第 2内螺紋更牢固結合，用以防止該兩内螺紋彼此間相對朝 一個旋轉方向的旋轉。另外，外螺紋B上的所要鎖合位置 係為了要機械結構上防止朝鬆開方向的旋轉而獲得完全 防止鎖合鬆開的狀態。 如第1圖所示，本實施例的第丨内螺紋2及第2内螺紋3，分 別形成為具有成為略正六角筒狀的外形部2a、3a之所謂 六角螺帽狀，第1内螺紋2的外形部2a的最大外徑設定成 第2内螺紋3的外形部3a的最小外徑之尺寸值以下。另外 ，第1内螺紋2的外形部2a的軸方向長度設定成比第2内螺 紋3的外形部3a的轴方向長度短。當然這樣的外徑或軸方 向長度等的尺寸设定為任意，例如外徑尺寸的大小關係 並非必須將第1内螺紋2的外徑設定成較小些，也可將第2 内螺紋3的外徑設定成較小些，也可將第2内螺紋3的軸方 向長度設定較短些。 如第2圖所示’第1内螺紋2係在被形成為略正六角形狀之 外形部2a的軸方向的一端部具有被凸設之凸部孔。該凸 部2b係從基端2c到頂端縮徑，以第i内螺紋2的轴為中心 呈旋轉對稱形成，其内部係貫穿外形部2&的内部之附有 第頁/共22頁 10110210#單編號 A0101 1013192275-0 201239211 螺旋溝槽的孔2e之螺紋部2f連續延伸設置而構成。當然 並非必須在該凸部2b的内部形成螺紋部2f，以外螺紋β可 插通的方式具有貫穿孔的話亦可’但基於提高強度的觀 點’較佳為與設置在外形部2a的内部之螺紋部2f—序列 地設定螺紋部。另外’本實施例中之第1内螺紋2的螺紋 部2f設定成左旋轉的螺旋溝槽即是左螺紋。 [0042] ❹ 凸部2b的外周面係設定成對轴方向傾斜適當的角度之傾 斜角α而從基端2c到頂端2d縮徑。在凸部2b的外周面， 以等齒距設定18處的形成為鋸齒狀的卡合部2g，此卡合 部2g的設定數量至少設置1個即可，並沒有特別的限定， 例如如第3圖所示，也可在12〇°的旋轉對稱部位分別各設 定1個合計3個的卡合部2g。當然並不一定要旋轉對稱。 Ο 該卡合部2g的鋸齒形狀係以對凹部3b嵌入時朝左旋轉的 進行方向容許旋轉而防止反向旋轉的方式設定齒的方向 。齒面寬係以基端側2c側較寬而朝向頂端2d縮窄的方式 設定。當然卡合部2g的形狀也沒有特別的限定，例如也 可為以多條螺紋的方式形成為螺旋狀。尤其在設成螺旋 狀的卡合部2g的情況，將螺旋狀的旋轉方向設定成與螺 紋部2f的旋轉方向相反的方向的話’可更加提高内螺紋 彼此間的結合性。 [0043] 如第4圖所示，第2内螺紋3係在被形成為略正六角形狀之 外形部3a的軸方向的一端部具有被凹設之凹部3b。此凹 部3b係從底面3d到開口部3d擴徑，以第2内螺紋3的軸為 中心呈旋轉對稱形成，其内部係以連通到貫穿外形邹3a 的内部之附有螺旋溝槽的孔3e而貫通且可插通外螺紋β的 101酿#單编號 A0101 第11頁/共22頁 1013192275-0 201239211 方式構成。另外，本實施例中之第2内螺紋3的螺紋部3f 為設成右旋轉的螺旋溝槽即是右螺紋。此處該兩第1内螺 紋2與第2内螺紋3的螺紋部2f、3f之齒根直徑或齒頂直徑 或者公稱直徑也可彼此不相同，但本實施例中設定成相 同直徑。 [0044] 凹部3b的内周面係設定成對軸方向傾斜適當的角度之傾 斜角召而從底面3c到開口端3d擴徑，但本實施例中，七 尤 其傾斜角石設定成比傾斜角α小。在凹部3b的周面，、 等齒距設定18處的對應於凸部2b的外周面所形成之鋸齒 狀的卡合部2g之形成為鋸齒狀的被卡合部3g。此處，兮 被卡合部3g的設定數量至少設置丨個即可，並沒有特別的 限定，又不一定要旋轉對稱。此被卡合部3g的鋸齒形狀、 係以凸部2b嵌入時，在與第！内螺紋2的相對旋轉上，朝 左旋轉的進行方向容許旋轉但防止反向旋轉的方式彀定 齒的方向。齒面寬係以底面3 c側較窄而朝向開口端3 d加 寬的方式設定。當然被卡合部3§的形狀也沒有特別的限 夂，例如也可為以多條螺紋的方式呈螺旋狀形成。 在設成螺旋狀的被卡合部3g的情況，將螺旋狀的旋轉方 向設定成與螺紋部3f的旋轉方向相反的方向的話，可更 加提高内螺紋彼此間的結合性。 [0045] 針對如同以上的說明所構成之本實施例中的内螺紋樽造1 ，由於相對於凸部2b的傾斜角α，凹部3b的傾斜角召較 小，如第5圖所不，因以只要凹部3b的頂端抵接到凸部^ 之軸方向的齒腰而不伴隨彈性或塑性的變形，凸部仏對 凹部3b無法完全嵌入的方式構成，所以當結合時使凸部 10110210#單編號A〇101- 第12頁/共22頁 201239211 2b稍加變形同時壓入凹部3b内。 [0046] 因此，在使凸部2b或凹部3b彈性變形同時嵌合並使卡合 部2g與卡合承承接部3g卡合的情況，構成第1内螺紋2與 第2内螺紋3可藉由牢固的結合力完全防止該兩的相對右 旋轉。 [0047] 此處，該兩第1内螺紋2與第2螺紋3分別鎖合在成一軸之 外螺紋B而在外螺紋B上的適當位置，但此第6圖所示的外 螺紋B為在螺紋部b上的相同區域上，兼有右旋轉的螺旋 〇 溝槽及左旋轉的螺旋溝槽。 【圖式簡單說明】 [0048] 第1 (A)圖為顯示本發明的一個實施例中第1内螺紋與第 2内螺紋結合的狀態之側面圖。第1(B)圖為底面圖。 [0049] 第2 (A)圖為第1圖所示的第1内螺紋之平面圖。第2 (B )圖為由側面看之局部剖面圖、。 [0050] 第3圖為第2圖所示之第1内螺紋的變形例之平面圖。 [0051] 第4 (A)圖為第1圖所示的第2内螺紋之縱向剖面圖。第4 (B)圖為底面圖。 [0052] 第5圖為顯示第1圖所示之第1内螺紋的凸部與第2内螺紋 的凹部嵌合的狀態之概略剖面圖。 [0053] 第6圖為顯示將本實施例中内螺紋構造鎖合在外螺紋，在 該外螺紋上使第1内螺紋與第2内螺紋結合的狀態之示意 圖。 【主要元件符號說明】 10110210产單編號 A〇101 第13頁/共22頁 1013192275-0 201239211 [0054] 1 内螺紋構造 [0055] 2 第1内螺紋 [0056] 2a 外形部 [0057] 2b 凸部 [0058] 2c 基端 [0059] 2d 頂端 [0060] 2e 附有螺旋溝槽的孔 [0061] 2f 螺紋部 [0062] 2g 卡合部 [0063] 3 第2螺紋部 [0064] 3a 外形部 [0065] 3b 凹部 [0066] 3c 底面 [0067] 3d 開口端 [0068] 3e 附有螺旋溝槽的孔 [0069] 3f 螺紋部 [0070] 3g 被卡合部 [0071] B 外螺紋 [0072] b 螺紋部 1013192275-0 單編號A0101 第14頁/共22頁k is slowly accompanied by elastic deformation. In addition, the outer diameter of the base end portion of the convex portion is set to be larger than the opening portion of the _ portion, so that elastic deformation can be more reliably achieved. [0034] An appropriate number of engaging portions are provided at appropriate positions on the outer peripheral surface of the convex portion. The engaging portion is engaged with the engaged portion provided on the _ surface of the recess to mechanically prevent relative rotation between the first internal thread and the second internal thread. The shape of the engaging portion is not particularly limited, but may be formed, for example, in a zigzag shape. In this case, it is preferable to set the first internal thread and the second internal thread to prevent the rotation direction in the opposite direction, and the number of the engagement portions to be set to be equal is set to be equal. If the forward rotation or the reverse rotation constitutes a necessary large torque and is more firm' or the set number is set to be different from each other, the torque necessary for the positive or negative rotation of the engagement pitch can be set more finely. Set to be smaller. [0035] Page 8 of 22 1013192275-0 An appropriate number of engaged portions are provided at appropriate positions on the outer peripheral surface of the recess. The engaged portion is engaged with the engaging portion provided on the outer peripheral surface of the convex portion, and mechanically prevents relative rotation between the first female screw and the second female screw. The shape of the engaging portion is not particularly limited, but may be formed, for example, in a zigzag shape. In this case, it is preferable to set the rotation direction of the first female screw and the second female screw in the opposite direction of the rotation of the first female screw and the second female screw, and the number of the engaged portions is set to be equal to the number of the engaged portions. The tongue can be formed by the forward rotation or the reverse rotation to make the necessary larger torque ^• more secure, or if the number of the 101102H# single edit 虼A〇i〇1 201239211 is set to be different from each other, the card can be set more finely. The ## is also set to a smaller torque necessary for forward or reverse rotation. [0036] 螺旋 螺旋 The spiral groove of the first internal thread may be set to an appropriate size or configuration, but in order to obtain an anti-release effect as a spiral combination, it is preferable to use the first inner crepe spiral groove and The spiral grooves of the second female screw are set to be different from each other. For example, the pitch of the spiral groove of the first female screw and the pitch of the spiral groove of the second female screw may be different from each other, or the first inner portion. One of the spiral groove of the thread and the spiral groove of the second internal thread is configured to be a right-rotating spiral groove and the other is a left-rotating spiral groove. Of course, one of the spiral groove of the first internal thread and the spiral groove of the second internal thread may be set as a right-hand thread and the other as a left-hand thread, and the pitch of the two right-hand threads and the pitch of the left-hand thread may be different from each other. Way to set. As described above, the spiral groove of the first internal thread and the spiral groove of the second internal thread are different from each other in such a manner that the thread pitch is different or the thread direction is different, and the direction of the loosening direction can be completely prevented. Rotate. In other words, even if V is set to prevent the relative rotation of the first internal thread and the second internal ridge in the direction in which the convex portion and the concave portion (four) are combined, the two sides may be combined with the body and the two. The state in which the internal threads can rotate integrally with each other in the direction of the cymbal, but it is still said that this event can be completely eliminated. However, in the case where the first thread and the second thread in the thread direction of the same square are the same as the 敎 pitch setting shirt, it is desirable to make the internal thread of the relatively fine pitch located on the distal end side of the outer ridge [0037] The first internal thread and the second internal thread are formed in a nut shape, and the two mosquitoes are different from each other. Of course, the outer diameters of the two internal threads can also be set to be equal, but by using different settings, you can use α and _, single number deletion 1 page 9 / total 22 pages 1013192275-0 201239211 with tools, etc. It makes the bonding work easier. [0040] Embodiment 1 An internal thread configuration 1 of an embodiment formed by applying the present invention will be described in detail with reference to the accompanying drawings. As shown in Fig. 1, the female screw structure 1 of the present embodiment includes two internal threads of the pair of the first female screw 2 and the second female screw 3, and can be borrowed on the male screw B with a small torque. The first internal thread 2 and the second internal thread are more firmly coupled by the mechanical structure to prevent the two internal threads from rotating relative to each other in a rotational direction. Further, the desired locking position on the external thread B is in a state in which the mechanical structure is prevented from rotating in the loosening direction to completely prevent the lock from being released. As shown in Fig. 1, the second internal thread 2 and the second internal thread 3 of the present embodiment are each formed into a so-called hexagonal nut shape having a substantially hexagonal cylindrical outer shape portion 2a, 3a, and a first internal thread. The maximum outer diameter of the outer shape portion 2a of the second inner diameter 3 is set to be equal to or smaller than the minimum outer diameter of the outer shape portion 3a of the second female screw 3. Further, the axial length of the outer shape portion 2a of the first female screw 2 is set to be shorter than the axial length of the outer shape portion 3a of the second inner thread 3. Of course, such an outer diameter or an axial direction length or the like is set to be arbitrary. For example, the size relationship of the outer diameter dimension does not necessarily have to set the outer diameter of the first female screw 2 to be smaller, and the second female screw 3 may be used. The outer diameter is set to be smaller, and the axial length of the second female screw 3 may be set to be shorter. As shown in Fig. 2, the first internal thread 2 has a convex hole formed at one end portion in the axial direction of the outer shape portion 2a formed into a substantially regular hexagonal shape. The convex portion 2b is reduced in diameter from the base end 2c to the tip end, and is formed in a rotational symmetry centering on the axis of the i-th internal thread 2, and the inside thereof is inserted through the inside of the outer shape portion 2& and has a page/total 22 pages 10110210# Single No. A0101 1013192275-0 201239211 The threaded portion 2f of the hole 2e of the spiral groove is continuously extended. Needless to say, it is not necessary to form the threaded portion 2f in the inside of the convex portion 2b, and the external thread β may be inserted through the through hole, but it may be 'on the basis of improving the strength', and preferably the thread provided inside the outer shape portion 2a. Part 2f - The thread portion is set in sequence. Further, the screw portion 2f of the first female screw 2 in the present embodiment is set to be a left-handed spiral groove, that is, a left-hand thread. [0042] The outer peripheral surface of the convex portion 2b is set to be inclined at an appropriate angle to the axial direction by an inclination angle α, and is reduced in diameter from the proximal end 2c to the distal end 2d. In the outer peripheral surface of the convex portion 2b, the engaging portion 2g formed in a zigzag shape at 18 points is set at an equal pitch, and the number of the engaging portions 2g is set to at least one, and is not particularly limited, for example, As shown in Fig. 3, one total of three engaging portions 2g may be set in each of the 12 〇 rotational symmetry portions. Of course, it does not have to be rotationally symmetrical.锯 The zigzag shape of the engaging portion 2g sets the direction of the tooth so as to allow rotation in the direction in which the concave portion 3b is rotated to the left to prevent reverse rotation. The tooth surface width is set such that the base end side 2c side is wider and narrows toward the tip end 2d. Of course, the shape of the engaging portion 2g is not particularly limited, and for example, it may be formed in a spiral shape by a plurality of threads. In particular, in the case where the spiral engaging portion 2g is provided, when the spiral rotating direction is set to a direction opposite to the rotating direction of the thread portion 2f, the joint between the female threads can be further improved. As shown in Fig. 4, the second internal thread 3 has a recessed portion 3b which is recessed at one end portion of the outer shape portion 3a which is formed into a substantially hexagonal shape. The recessed portion 3b is expanded in diameter from the bottom surface 3d to the opening portion 3d, and is formed to be rotationally symmetrical about the axis of the second internal thread 3, and the inside thereof is connected to the spiral groove-containing hole 3e that penetrates the inside of the external shape 3a. And the 101 can be inserted into the external thread β, the single number A0101, the 11th page, the total 22 pages, 1013192275-0, 201239211. Further, the screw portion 3f of the second female screw 3 in the present embodiment is a right-threaded spiral groove which is set to rotate rightward. Here, the root diameters or the tip diameters or the nominal diameters of the screw portions 2f and 3f of the two first inner threads 2 and the second female threads 3 may be different from each other, but are set to the same diameter in this embodiment. [0044] The inner peripheral surface of the recessed portion 3b is set to be inclined from the bottom surface 3c to the open end 3d by a tilt angle of an appropriate angle to the axial direction. However, in the present embodiment, the seven oblique angles are set to be larger than the tilt angle α. small. In the circumferential surface of the recessed portion 3b, the zigzag-shaped engaging portion 2g formed corresponding to the outer peripheral surface of the convex portion 2b at the pitch setting of 18 is formed as a zigzag-shaped engaged portion 3g. Here, the number of the 兮 to be engaged portions 3g is at least one set, and is not particularly limited, and is not necessarily rotationally symmetrical. When the zigzag shape of the engaged portion 3g is fitted by the convex portion 2b, the same is achieved! In the relative rotation of the internal thread 2, the direction in which the rotation to the left is allowed to rotate but the reverse rotation is prevented is the direction of the teeth. The tooth surface width is set such that the bottom surface 3 c side is narrow and the opening end 3 d is widened. Of course, the shape of the engaged portion 3 § is not particularly limited, and for example, it may be formed in a spiral shape by a plurality of threads. In the case where the spirally engaged portion 3g is provided, the spiral rotation direction is set to a direction opposite to the rotation direction of the screw portion 3f, and the coupling between the internal threads can be further improved. [0045] With respect to the internal thread forming 1 in the present embodiment constructed as described above, the inclination angle of the concave portion 3b is small due to the inclination angle α with respect to the convex portion 2b, as shown in FIG. The convex portion 构成 is configured such that the convex portion 无法 is not completely embedded in the concave portion 3b as long as the distal end of the concave portion 3b abuts against the tooth waist in the axial direction of the convex portion ^, so that the convex portion 10110210# is single when combined No. A 〇 101 - Page 12 / Total 22 pages 201239211 2b is slightly deformed and pressed into the recess 3b. Therefore, when the convex portion 2b or the concave portion 3b is elastically deformed and fitted, and the engaging portion 2g is engaged with the engaging receiving portion 3g, the first female screw 2 and the second female screw 3 can be configured by A strong bond completely prevents the relative right rotation of the two. [0047] Here, the two first internal threads 2 and the second thread 3 are respectively locked at an appropriate position on the external thread B, and the external thread B shown in FIG. On the same area on the threaded portion b, there are both a right-turning spiral groove and a left-turning spiral groove. BRIEF DESCRIPTION OF THE DRAWINGS [0048] Fig. 1(A) is a side view showing a state in which a first female screw and a second female screw are coupled in one embodiment of the present invention. Figure 1(B) is a bottom view. 2(A) is a plan view showing the first internal thread shown in FIG. 1. Figure 2 (B) is a partial cross-sectional view from the side. 3 is a plan view showing a modification of the first female screw shown in FIG. 2. 4(A) is a longitudinal cross-sectional view showing the second internal thread shown in FIG. 1. Figure 4 (B) is a bottom view. [ Fig. 5] Fig. 5 is a schematic cross-sectional view showing a state in which the convex portion of the first female screw shown in Fig. 1 is fitted into the concave portion of the second female screw. Fig. 6 is a view showing a state in which the female screw structure of the present embodiment is coupled to the male screw, and the first female screw and the second female screw are coupled to the male screw. [Main component symbol description] 10110210 Production order number A〇101 Page 13/Total 22 page 1013192275-0 201239211 [0054] 1 Internal thread structure [0055] 2 First internal thread [0056] 2a Outline part [0057] 2b Convex [0058] 2c base end [0059] 2d top end [0060] 2e hole with spiral groove [0061] 2f threaded portion [0062] 2g engaging portion [0063] 3 second threaded portion [0064] 3a outer shape portion 3b recess [0066] 3c bottom surface [0067] 3d open end [0068] 3e hole with spiral groove [0069] 3f threaded portion [0070] 3g engaged portion [0071] B external thread [0072] b Threaded part 1013192275-0 Single number A0101 Page 14 of 22