1263743 九、發明說明： 【發明所屬之技術領域】 )、本發明係關於一種滾珠螺桿的組合，特別是關於 該滾珠螺桿之迴流元件在螺帽裝配鎖固的改良。、 【先前技術】 請參閱圖一，為一種習用滾珠螺桿之立體组合 圖。該螺帽6裝配迴流元件（7 a，7 b )之入口 g ϋ口形狀，其固定迴流元件（7a，7b)方式 =用，定元件8穿過螺帽固定孔“與迴流元件的 固疋孔7 c而達到鎖固的目的。 習知之迴流元件的裝配方式，係將迴流元件直接 方口内，使迴流元件在被鎖固之前能夠產 移動，也就是必須冑迴流元件的固定孔與螺帽 土 f 預先調整對位之後，方便將固定元件穿過迴 與螺帽而達到鎖固目的。故此-習知之裝配的 以使迴流元件定位，產生裝配困難， 造成本，實有進一步改良之必要。 ]王表 定$1盘^ A 4知之迴流元件的鎖固方式，會因為在固 :孔：J帽所穿過的孔徑大小而決定出固定元件的形 =成假如孔徑設計變更時就必需改換 定元件，使鎖固用的固定元件不具有共； 又會何生該固定元件必須特別準備多種規格的問 元習知之滾珠螺桿的組合在裝配困難及固定 解決，兩大問題上’一直無法同時獲得 文白知之滾珠螺桿的組合實有待再改善。 1263743 【發明内容】 本發明之目的即在於描徂 使迴流元件在裂配及鎖固的 元件及固定:件'且;桿有;二滾珠、迴流 旋槽相對應形成迴流道，其二j、tu螺桿之螺 滾動作用，於螺帽上設置有朱容設產生 :道:ί成:流之循;運動义== 珠螺桿易具有共用性，本發明之滾 複數個安裝迴流元件之圓孔，其圓孔開設 =上，以供迴流元件嵌合，且螺帽端面具有轴: 鎖固孔，㈣流元件之㈣具有頂部誠部，2 有彼此連通的轴向孔與#向孔，且迴流元件之= 與螺帽之轴向鎖固孔具對應性，利用流體樹私^ 流兀件徑向孔凝固成形的鎖固㈣，將迴流元， 於螺帽。 午口又 在螺帽與迴流元件的裝配定位方式，本發 ，帽圓孔的人口處具有-凹σ，及迴流元件的= 々凸。卩，採用一凹凸部位的喪合，使迴流元件二 谷易，可以解決迴流元件裝配困難的問題。 而在螺帽與迴流元件的裝配鎖固方式，由於鎖固 ，形因素是由加工的孔徑所決定，因此鎖固元件: 是依據孔徑的設計而具有多重性，當設計變更加 孔徑時，可以解決鎖固元件共用性的問題，而不兩= 特別準備多種規格©定元件所衍生的製造成本。而要 6 1263743 ,為方便進一步瞭解本發明之特徵及技術内容，請 詳細參閱以下有關本發明之實施例及說明，然而此實 施例及圖式僅供說明及參考用，而非用以對本發明作 任何限制者。 【實施方式】 請參閱圖二，為本發明之立體組合圖。圖中包含 螺桿1、螺帽2、滾珠3、迴流元件4及鎖固元件5。 其中，於螺桿1之外徑具有螺旋槽1 a，供螺帽 2套合’螺帽2端面具有兩個轴向鎖固孔2 3與一個 迴流孔2 1，螺帽2呈中空狀，内徑具有螺旋槽2 a , 與螺桿1之螺旋槽1 a相對應形成迴流道，迴流道内 可供滾珠3容設產生滾動作用，又於螺帽2上設置有 迴流元件4，使滾珠3可經由迴流道而完成迴流之循 環運動。 本發明在螺帽2上設有複數個安裝迴流元件4之 圓孔2 2，圓孔2 2開設於螺帽2之外徑上，以供迴 流元件4嵌合，且螺帽2端面具有軸向鎖固孔2 3， 而迴流元件4之外形具有頂部4 a與底部4 b，分別 設有彼此連通的轴向孔42與徑向孔41，且迴流元 件4之軸向孔4 2與螺帽2之軸向鎖固孔2 3具對應 性’利用流體樹酯注入迴流元件4的徑向孔4 1再流 過螺帽2之轴向鎖固孔2 3所凝固成形的鎖固元件 5，使迴流元件4固定於螺帽2。 請參閱圖三，為本發明之螺帽外觀示意圖。圖式 中圓孔2 2開設於螺帽2之外徑上，圓孔2 2具有下 入口24及上入口25之階級孔，且在螺帽2端面具 1263743 有兩個軸向鎖固孔23與一個迴流孔21，其中軸向 鎖固孔2 3與一個迴流孔2 1分別貫通在圓孔2 2的 下入口 2 4 〇 再請參閱圖四，為本發明之螺帽圓孔細部示意 圖。圖示中在螺帽2上標定圓形虛線範圍a的圓孔2 2，該圓孔2 2的直徑得為一階級孔，其下入口 2 4 之直瓜小於上入口 2 5之直徑’且於入口處具有一凹 口 2 2 a。 請參閱圖五A，為本發明之螺帽正視圖。配合參 閱圖五B，為圖五A之螺帽A— A，剖視圖。由圖式中 可瞭解到螺帽2的鎖固孔2 3與迴流孔2 1剖面示意 圖，於螺旋槽2 b容設有數顆滾珠3，使滾珠3可經 由迴流道而完成迴流之循環運動。 再請參閱圖六’為本發明之迴流元件三面示意圖。 圖式中迴流元件4之外形具有頂部4 a與底部4 b， 分別設有彼此連通的軸向孔42與徑向孔41，且迴 流元件4的頂部4 a至少具有一凸部4C，可與圖四 之螺帽圓孔的入口處少具具有一凹口22a，採用一 凹凸部位的嵌合，使迴流元件4定位容易。 請參閱圖七、圖八，分別為本發明之鎖固元件的 應用實施例、鎖固元件外觀示意圖。在螺帽2與迴流 元件4的裝配定位方式，即以螺帽圓孔2 2的父口^ 具有一凹口 2 2 a (請參閱圖四），及迴流元件的頂部 具有一凸部4 c (請參閱圖六），採用一凹凸部位的嵌 合，使迴流元件4定位容易。 、 1263743 而在螺帽2與迴流元件4的裝配鎖固方式，採用 迴流元件4設有彼此連通的軸向孔4 2與徑向孔4 1 (請參閱圖六），而且迴流元件軸向孔4 2與螺帽軸向 孔2 3具對應性（請參閱圖五），利用流體樹酯（例如 環氧樹酯E P〇X Y)注入迴流元件徑向孔4 1凝固 成形的鎖固元件5，該鎖固元件5利用具有垂直軸向 的凸處5 a，可將迴流元件4固定於螺帽2。 其中鎖固元件5的形狀得為固狀柱體，成形因素 是由加工的孔徑所決定；且該流體樹酯得為液化熱固 性塑膠材料或液化熱塑性塑膝材料。 綜上所述，本案經由結構的設計，考慮射出成形 的脫模限制，改善現有滾珠螺桿的組合之缺點，創新 於迴流元件在裝配定位與裝配鎖固的方式，使裝配容 易及固定元件具有共用性，從而提昇裝配效率及降低 製造成本，可以同時解決在裝配困難及固定元件不具 有共用性的兩大問題。 本案能夠在比較習用之技術增進上述功效，應已 充分符合新穎性及進步性之法定發明專利，爰依法提 出申請，懇請貴局核准本件發明專利申請案，以勵 創作，至感德便。 【圖式簡單說明】 圖一為一種習用滾珠螺桿之立體組合圖 圖二為本發明之立體組合圖 圖三為本發明之螺帽外觀示意圖 圖四為本發明之螺帽圓孔細部示意圖 1263743 圖五A為本發明之螺帽正視圖 圖五B為本發明之螺帽A — A，剖視圖 圖六為本發明之迴流元件三面示意圖 圖七為本發明之鎖固元件的應用實施例 圖八為鎖固元件外觀示意圖1263743 IX. INSTRUCTIONS: [Technical field to which the invention pertains] The present invention relates to a combination of a ball screw, and in particular to an improvement in the nut assembly locking of the reflow element of the ball screw. [Prior Art] Please refer to Figure 1 for a three-dimensional combination of a conventional ball screw. The nut 6 is fitted with an inlet g port shape of the reflow element (7 a, 7 b ), which fixes the reflow element (7a, 7b) for use, and the fixed element 8 passes through the nut fixing hole "with the reflow element The hole 7c is used for the purpose of locking. The conventional reflow element is assembled in such a manner that the reflow element is directly in the square mouth, so that the reflow element can be moved before being locked, that is, the fixing hole and the nut of the reflow element must be After the soil f is pre-adjusted, it is convenient to pass the fixing element back to the nut for the purpose of locking. Therefore, the conventional assembly is used to position the reflow element, which makes assembly difficult, which is necessary for further improvement. ] Wang Biao set $1 disk ^ A 4 know the locking element locking method, because the solid: hole: J cap through the size of the aperture to determine the shape of the fixed component = if the aperture design changes must be changed The components, so that the fixing components for locking do not have a total; in addition, the fixed components must be specially prepared for a variety of specifications, the combination of the ball screw is difficult to assemble and fixed, two major problems The combination of the ball screw of the white paper can not be improved at the same time. 1263743 SUMMARY OF THE INVENTION The object of the present invention is to describe the components and the fixing of the reflow element in the splitting and locking: the part 'and the rod; The ball and the return rotary groove form a return flow correspondingly, and the screwing action of the screw of the two j and the screw of the screw is set on the nut to produce the Zhu Rong set: the track: ί成: the flow of the flow; the movement meaning == the bead screw is easy to share The rolling hole of the invention is provided with a plurality of round holes for installing the reflow element, the round hole is opened=up for the reflow element to be fitted, and the end face of the nut has the shaft: the locking hole, and (4) the flow element (4) has the top part, 2 There are axial holes and #-direction holes that are connected to each other, and the return element=corresponds to the axial locking hole of the nut, and the fluid is fixed by the radial hole of the fluid flow member (4), and the reflow is performed. Yuan, in the nut. Noon is in the assembly position of the nut and the reflow element. In this case, the population of the round hole of the cap has a concave σ, and the reflow element = 々 convex. 卩, using a concave and convex part of the funeral Combine, make the reflow element two valleys easy, can solve the reflow element The problem of assembly is difficult. In the assembly locking method of the nut and the reflow element, the shape factor is determined by the machined aperture due to the locking, so the locking element: is multi-functional according to the design of the aperture, when the design changes When the aperture is added, the problem of the commonality of the locking components can be solved, and the manufacturing costs derived from the various components are determined in particular. In order to facilitate further understanding of the features and technical contents of the present invention, please provide details. The embodiments and the following description of the present invention are to be considered as illustrative and not to limit the invention. The combination diagram includes a screw 1, a nut 2, a ball 3, a reflow element 4, and a locking element 5. Wherein, the outer diameter of the screw 1 has a spiral groove 1 a, and the nut 2 is fitted. The end surface of the nut 2 has two axial locking holes 23 and one return hole 2 1, and the nut 2 is hollow. The spiral groove 2 a has a spiral groove 1 a corresponding to the spiral groove 1 a of the screw 1 , and the return ball can be used for rolling the ball 3 to form a rolling action, and the nut 2 is provided with a reflow element 4 so that the ball 3 can be passed through The return flow is completed by the return flow. The present invention is provided with a plurality of circular holes 2 2 for mounting the reflow element 4 on the nut 2, and the circular hole 22 is opened on the outer diameter of the nut 2 for fitting the reflow element 4, and the end surface of the nut 2 has an axis To the locking hole 23, and the reflow element 4 has a top portion 4a and a bottom portion 4b, respectively provided with an axial hole 42 and a radial hole 41 communicating with each other, and the axial hole 4 2 and the screw of the reflow element 4 The axial locking hole 2 of the cap 2 has a corresponding 'locking element 5 which is solidified by the radial hole 4 1 of the reflow element 4 injected with the fluid resin and then flows through the axial locking hole 2 of the nut 2 The return element 4 is fixed to the nut 2 . Please refer to FIG. 3 , which is a schematic view of the appearance of the nut of the present invention. In the drawing, the circular hole 2 2 is opened on the outer diameter of the nut 2, the circular hole 22 has the class hole of the lower inlet 24 and the upper inlet 25, and the shield 2263743 has two axial locking holes 23 at the nut end 2 And a return hole 21, wherein the axial locking hole 23 and the one return hole 2 1 respectively penetrate the lower inlet 2 of the circular hole 2 2 〇 Please refer to FIG. 4 , which is a schematic view of the circular hole of the nut of the present invention. In the figure, the circular hole 2 2 of the circular dotted line range a is calibrated on the nut 2, and the diameter of the circular hole 2 2 is a class of holes, and the straight diameter of the lower inlet 24 is smaller than the diameter of the upper inlet 2 5 ' There is a notch 2 2 a at the entrance. Please refer to FIG. 5A, which is a front view of the nut of the present invention. Referring to Figure 5B, it is a cross-sectional view of the nut A-A of Figure 5A. A schematic cross-sectional view of the locking hole 2 3 and the return hole 21 of the nut 2 can be seen from the drawing, and a plurality of balls 3 are accommodated in the spiral groove 2b, so that the ball 3 can complete the recirculating movement through the return passage. Please refer to FIG. 6' for a three-sided schematic diagram of the reflow element of the present invention. In the drawing, the reflow element 4 has a top portion 4 a and a bottom portion 4 b, respectively provided with an axial hole 42 and a radial hole 41 communicating with each other, and the top portion 4 a of the reflow element 4 has at least one convex portion 4C, which is The entrance of the circular hole of the nut of Fig. 4 has a small recess 22a, and the fitting of a concave-convex portion makes the reflow element 4 easy to position. Please refer to FIG. 7 and FIG. 8 , which are respectively an application example of the locking component of the present invention and a schematic view of the appearance of the locking component. The mounting position of the nut 2 and the reflow element 4, that is, the parent port of the nut round hole 2 2 has a notch 2 2 a (see FIG. 4), and the top of the reflow element has a convex portion 4 c (Refer to Fig. 6), the fitting of the concave-convex portion makes the reflow element 4 easy to position. 1263743 In the assembled locking manner of the nut 2 and the reflow element 4, the reflow element 4 is provided with an axial hole 4 2 and a radial hole 4 1 (see FIG. 6) which communicate with each other, and the reflow element axial hole 4 2 corresponds to the axial hole of the nut 2 (refer to FIG. 5), and the fluid element (for example, epoxy resin EP〇XY) is injected into the radial hole 4 of the reflow element to solidify the formed locking element 5, The locking element 5 can be used to fix the reflow element 4 to the nut 2 by means of a projection 5a having a vertical axial direction. Wherein the locking element 5 is shaped as a solid cylinder, the forming factor is determined by the processed aperture; and the fluid resin is a liquefied thermosetting plastic material or a liquefied thermoplastic plastic knee material. In summary, the design of the case, considering the release restriction of injection molding, improves the shortcomings of the combination of the existing ball screw, and innovates the way in which the reflow element is assembled and assembled to make the assembly easy and the fixed components have a common function. Sexuality, thereby improving assembly efficiency and reducing manufacturing costs, can simultaneously solve two major problems in assembly difficulties and non-compatibility of fixed components. This case can improve the above-mentioned effects in comparison with the commonly used techniques. It should fully comply with the statutory invention patents of novelty and progressiveness, and submit an application according to law. You are requested to approve the application for this invention patent to encourage creation. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional ball screw. FIG. 2 is a perspective view of the present invention. FIG. 3 is a schematic view showing the appearance of a nut of the present invention. FIG. 5A is a front view of a nut of the present invention. FIG. 5B is a nut A-A of the present invention, and a cross-sectional view is a three-side schematic view of the reflow element of the present invention. FIG. 7 is an application example of the locking element of the present invention. FIG. Schematic diagram of the locking component
【主要元件符號說明】 1螺桿 2螺帽 2 1迴流孔 2 2 a 凹口 3滾珠 4 a頂部 4 c 4 2轴向孔 5 a凸處 6 a方口 7 c固定孔 1 a螺旋槽 2 a螺旋槽 2 2圓孔 2 3軸向鎖固孔 4迴流元件 4 b底部 4 1徑向孔 5鎖固元件 6螺帽 7 a、7 b迴流元件 8固定元件[Main component symbol description] 1 screw 2 nut 2 1 return hole 2 2 a notch 3 ball 4 a top 4 c 4 2 axial hole 5 a convex 6 a square port 7 c fixing hole 1 a spiral groove 2 a Spiral groove 2 2 round hole 2 3 axial locking hole 4 reflow element 4 b bottom 4 1 radial hole 5 locking element 6 nut 7 a, 7 b reflow element 8 fixing element