1322860 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種滚珠滑軌，尤指一種裝設有滾 珠架定位裝置的滚珠滑軌。 【先前技術】 為減小滑軌軌體間相對滑動的摩擦力，很多滑軌 在其執體間設有包括複數滚珠的滚珠架，該等滚珠分 別裝設於滾珠架上的對應裝設孔而排列成行，以使不 同軌體間的相對滑動更為順暢，同時減小相互摩擦對 滑軌的損傷。如三段式滑執的内執與中執之間、中執 與外執之間，都可設置滚珠架，該等滾珠架可以和插 入其内的軌體同步滑動。但是，當不同軌體分離、相 應的執體需重新***對應的滾珠架時，如果滾珠架未 定位，相應執體則難以準確快速地***，且在***過 程中可能損壞滚珠架。 【發明内容】 鑒於以上内容，有必要提供一種裝設有滚珠架定 位裝置的滚珠滑軌。 一種滚珠滑執，包括一第一執、一第二軌及一設 於第一執和第二執之間的滚珠架，該滾珠架和該第一 軌可滑動地收容於第二軌，該滾珠滑軌進一步包括一 裝設於第二執的定位件，該定位件包括一具彈性的懸 6 臂，該懸臂上設有一卡塊，該滾珠架的一端伸出一卡 扣部，該卡扣部開設一卡扣孔，該定位件的卡塊卡入 該滾珠架的卡扣孔將該滾珠架於該第二軌定位。 相較習知技術，該滾珠架可被該定位件定位於該 第〜軌，從而方便該第一執的***，且不易損壞滾 【實施方式】 5青參閱圖1至圖為本發明滾珠滑軌較佳實施 方式，其包括一滾珠架、一第一軌40、一套設於 第〜軌40的第二軌60、一套設於第二軌6〇的第三軌 70和一滾珠架定位裝置’滾珠架20設於第一軌4〇和 一 執60之間’用於輔助第一執40相對於第二執6〇 的滑動。該滾珠架定位装置用於將滾珠架20在第二 軌6〇上定位，其包括一定位件80 ; —鉚釘90將定位 件80裝設於第二執60。 定位件80為塑件或由其他彈性材料製成，其包 括互相平行的兩侧臂82、84。兩側臂82、84之間由 〜板體86連接，板體86的一端與兩侧臂82、84的 同〜端平齊，一裝設邊860從三者的平齊端向外彎 折’板體86的中部開設一較大的方孔862 ;板體86 鄰近裝設邊860的一端設一與方孔862連通的凹陷 864 ’板體86的另一端形成一連接橋865，連接橋865 上開設一用於裝設定位件80的通孔866。侧臂82遠 1322860 離裝設邊860的一端向外伸出一壓制塊820，壓制塊 820的自由端底部略呈弧形。側臂84比側臂82略長， 其遠離裝設邊860的一端設一垂直彎折的懸臂840， 懸臂840的自由端略向下彎折，並設一與侧臂82的 壓制塊820相對的楔形卡塊842，卡塊842的卡扣面 朝向壓制塊820的方向；懸臂840鄰近自由端設有一 表面為弧形的凸塊844。 滚珠架20包括一腹板22及兩側臂24、26，兩侧 臂24、26分別自腹板22的兩侧邊向同一方向彎折。 腹板22包括兩側端220、222及一凸出板224，凸出 板224連接於兩側端220、222之間並平行偏移。側 端220比侧端222略長，與侧端220連接的侧臂24 同樣略長於側臂26。侧端220比側端222長出的部分 為一卡扣部225，卡扣部225上開設一卡扣孔226， 定位件80的卡塊842可對應卡入卡扣孔226。兩側臂 24、26分別裴設有複數滾珠240、260。 第一軌40包括一腹板42及兩側臂44，兩側臂 44分別自腹板42的兩侧邊同向彎折。腹板42上設一 凸柱420。每一側臂44向相對側臂44的方向凹陷， 從而在側臂44的外側形成一沿第一軌40縱長方向的 滑道440。 第二執60用於收容滚珠架20和第一軌40,其包 括一腹板62及兩側臂64，兩側臂64分別自腹板62 的兩侧邊同向彎折。腹板62包括兩侧端620、622及 8 〆凸出板624，凸出板624連接於兩側端620、622之 間姐平行偏移。腹板62的一端對稱開設兩開口 626 , 雨開口 626分別設於凸出板624自兩侧端620、622 凸出的過渡處’兩開口 626之間的凸出板624端部形 成一壓制片627;凸出板624對應定位件80的連接橋 865開設一收容槽628 ’側端622對應收容槽628的 邊緣處延伸設一固定片630 ’固定片630與側端620、 622處於同一平面而略低於凸出板624，固定片630 上對應定位件80的通孔866開設一固定孔632 ;凸出 板624及侧端622開設一階梯形的缺口 634，缺口 634 可對應收容定位件80的懸臂840。每一側臂64的内 側彎折形成一内滑道640。 第三軌70用於收容第二軌60,其包括一腹板72 及兩側臂74，兩側臂74分別自腹板72的兩側邊同向 脊折’第二執60可滑動地收容於第三執70的兩侧臂 7/1 之間。第二軌60和第三軌70分別對應設有滑道以 利於二者之間的相對滑動，第二軌60和第三軌70的 對應滑道之間還可以設置滾珠架或其他助滑結構。 請繼續參閱圖4，安裝時，將滚珠架20滑動裝入 第二軌60 ’其滾珠24〇、260分別接觸第二軌60的侧 臂64的内滑道64〇並在其中滑動。將第二軌6〇的腹 板62的壓制片627***定位件80的方孔862，之後 内推定位件80並下壓定位件8〇設懸臂840的一端， 從而使定位件80的側臂82、84分別收容於第二軌60 1322860 的兩側臂64的内滑道640端部，第二軌60的壓制片 627收容於定位件80的凹陷864内，定位件80的裝 設邊860緊貼於第二執60的端部，定位件80的連接 橋865收容於第二軌60的收容槽628内，連接橋865 的通孔866與第二軌60的固定片630上的固定孔632 正對，懸臂840收容於第二軌60的缺口 634内，定 位件80的壓制塊820與第二軌60的侧端620之間留 有一較小間隙。將鉚釘90穿過定位件80的通孔866 和第二軌60的固定孔632，從而將定位件80固定於 第二軌60。向靠近定位件80的方向滑動滚珠架20， 滚珠架20的卡扣部225的端部抵壓定位件80的卡塊 842的斜邊而使懸臂840向靠近第三軌70的方向變 形，直至卡扣部225的端部***定位件80的壓制塊 820與第二執60的側端620之間的間隙，定位件80 的卡塊842與卡扣部225的卡扣孔226對齊，懸臂840 在自身回復力的作用下恢復原狀，卡塊842卡入卡扣 部225的卡扣孔226而將滚珠架20定位。此時，滾 珠架20的卡扣部225的端部受定位件80的壓制塊820 壓制而緊貼於第二軌60的側端620,可防止卡扣部 225翹起，從而避免第一執40***時損壞滚珠架20， 壓制塊820的自由端底部呈弧形是為了方便卡扣部 225的端部***其下。 請繼續參閱圖5，將第一轨40***定位件80的 兩側臂82、84之間，並推動其向縮入的方向滑動， 10 1322860 當第一軌40***滚珠架20後，第一軌40的滑道440 分別接觸滾珠架20的滚珠240、260,該等滾珠240、 260可輔助第一執40在第二執60内的滑動。繼續推 動第一軌40縮入，直至第一軌40的凸柱420抵壓定 位件80的凸塊844而使懸臂840向靠近第三軌70的 方向變形，定位件80的卡塊842自滚珠架20的卡扣 孔226脫出，滚珠架20即相對第二執60解鎖而與第 一執40 —起向縮入的方向滑動。當滾珠架20的卡扣 部225滑過定位件80的卡塊842後，懸臂840在自 身回復力的作用下恢復原狀。 當然，根據實際需要，本發明中的定位件80也 可以鉚釘90以外的其他方式固定於滾珠架20，如卡 鉤卡扣等。 綜上所述，本發明符合發明專利要件，爰 依法提出專利申請。惟，以上所述者僅為本發 明之較佳實施例，舉凡熟悉本案技藝之人士， 在爰依本發明精神所作之等效修飾或變化，皆 應涵蓋於以下之申請專利範圍内。 【圖式簡單說明】 圖1係本發明滚珠滑執較佳實施方式的部分分解 圖。 圖2係本發明滾珠滑軌較佳實施方式的定位件的 放大圖。 11 1322860 圖3係本發明滚珠滑執較佳實施方式的第二軌的 一端的放大圖。 圖4係本發明滾珠滑執較佳實施方式的一端的立 體組合圖，其中第一軌從第二軌中抽出而未 示出。 圖5係本發明滚珠滑軌較佳實施方式的立體組合 圖，其中的滚珠架處於解鎖狀態。 【主要元件符號說明】 滚珠架 20 腹板 22、42、62 、72 側端 220 ' 222 ' | 620 、 622 凸出板 224 ' 624 卡扣部 225 卡扣孔 226 側臂 24 、 26 ' 44 ' 64 ' 74 ' 82 ' 84 滚珠 240 、 260 第一執 40 凸柱 420 滑道 440 第二軌 60 開口 626 壓制片 627 收容槽 628 固定片 630 固定子L· 632 缺口 634 内滑道 640 第三執 70 定位件 80 壓制塊 820 懸臂 840 卡塊 842 凸塊 844 12 1322860 板體 86 裝設邊 860 方孔 862 凹陷 864 連接橋 865 通孔 866 鉚釘 90 131322860 IX. Description of the Invention: [Technical Field] The present invention relates to a ball slide rail, and more particularly to a ball slide rail equipped with a ball cage positioning device. [Prior Art] In order to reduce the frictional force of the relative sliding between the rail rails, many of the rails are provided with ball cages including a plurality of balls between the bodies, and the balls are respectively mounted on the corresponding mounting holes of the ball racks. They are arranged in a row to make the relative sliding between the different rail bodies smoother, and at the same time reduce the damage of the rails by mutual friction. For example, between the inner and the middle of the three-stage sliding, between the middle and the outer, the ball holders can be arranged, and the ball holders can slide synchronously with the rails inserted therein. However, when the different rail bodies are separated and the corresponding body needs to be reinserted into the corresponding ball holder, if the ball holder is not positioned, the corresponding body is difficult to insert accurately and quickly, and the ball holder may be damaged during the insertion process. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a ball slide rail equipped with a ball holder positioning device. A ball slide, comprising a first handle, a second rail and a ball rack disposed between the first and second grips, the ball rack and the first rail being slidably received in the second rail, The ball slide rail further includes a positioning member mounted on the second handle, the positioning member includes a resilient suspension arm, the suspension arm is provided with a block, and one end of the ball holder protrudes from a buckle portion, the card A buckle hole is defined in the buckle portion, and the card block of the positioning component is engaged with the buckle hole of the ball holder to position the ball holder on the second rail. Compared with the prior art, the ball holder can be positioned on the first rail by the positioning member, thereby facilitating the insertion of the first holder, and is not easy to damage the roller. [Embodiment] 5 Green Refer to FIG. 1 to FIG. A preferred embodiment of the rail includes a ball cage, a first rail 40, a second rail 60 disposed on the first rail 40, a third rail 70 disposed on the second rail 6〇, and a ball cage The positioning device 'ball cage 20 is disposed between the first rail 4 〇 and the first 60 ′′ for assisting the sliding of the first keeper 40 relative to the second shank 6 . The ball holder positioning device is for positioning the ball holder 20 on the second rail 6〇, which includes a positioning member 80; the rivet 90 mounts the positioning member 80 to the second holder 60. The locating member 80 is a plastic member or is made of other resilient material that includes two side arms 82, 84 that are parallel to each other. The two sides of the arms 82, 84 are connected by a plate body 86. One end of the plate body 86 is flush with the same end of the two side arms 82, 84, and a mounting side 860 is bent outward from the flush end of the three sides. The middle portion of the plate body 86 defines a large square hole 862. The other end of the plate body 86 adjacent to the mounting side 860 is provided with a recess 864 that communicates with the square hole 862. The other end of the plate body 86 forms a connecting bridge 865. A through hole 866 for mounting the position member 80 is opened on the 865. The side arm 82 is far away from the end of the mounting side 860 by a pressing block 820, and the bottom end of the free end of the pressing block 820 is slightly curved. The side arm 84 is slightly longer than the side arm 82, and a vertically bent cantilever 840 is disposed away from the end of the mounting side 860. The free end of the cantilever 840 is slightly bent downward, and is disposed opposite to the pressing block 820 of the side arm 82. The wedge block 842 has a locking surface of the block 842 facing the pressing block 820; the cantilever 840 is provided with a convex 844 having a curved surface adjacent to the free end. The ball holder 20 includes a web 22 and side arms 24, 26, and the side arms 24, 26 are bent in the same direction from both side edges of the web 22, respectively. The web 22 includes two side ends 220, 222 and a raised plate 224 that is coupled between the two side ends 220, 222 and offset in parallel. The side end 220 is slightly longer than the side end 222, and the side arm 24 connected to the side end 220 is also slightly longer than the side arm 26. The portion of the side end 220 that extends from the side end 222 is a latching portion 225. The latching portion 225 defines a latching hole 226. The latching portion 842 of the positioning member 80 can be correspondingly engaged with the latching hole 226. The two arms 24, 26 are respectively provided with a plurality of balls 240, 260. The first rail 40 includes a web 42 and side arms 44 that are bent from the sides of the web 42 in the same direction. A web 420 is disposed on the web 42. Each of the side arms 44 is recessed in the direction of the opposite side arms 44, so that a slide 440 along the longitudinal direction of the first rail 40 is formed outside the side arms 44. The second handle 60 is for receiving the ball holder 20 and the first rail 40. The second rail 60 includes a web 62 and two side arms 64. The two side arms 64 are bent in the same direction from the side edges of the web 62, respectively. The web 62 includes two side ends 620, 622 and eight 〆 embossed plates 624 that are connected in parallel with the two sides 620, 622. One end of the web 62 is symmetrically opened with two openings 626, and the rain openings 626 are respectively disposed at the end of the protruding plate 624 between the two openings 626 at the transition point of the protruding plate 624 protruding from the side ends 620, 622 to form a pressed piece. The fixing plate 624 of the protruding plate 624 corresponding to the positioning member 80 defines a receiving groove 628. The side end 622 defines a fixing piece 630 corresponding to the edge of the receiving groove 628. The fixing piece 630 and the side ends 620 and 622 are in the same plane. Slightly lower than the protruding plate 624, the through hole 866 of the fixing piece 630 corresponding to the positioning member 80 defines a fixing hole 632; the protruding plate 624 and the side end 622 define a stepped notch 634, and the notch 634 can correspond to the receiving positioning member 80. Cantilever 840. The inner side of each side arm 64 is bent to form an inner slide 640. The third rail 70 is configured to receive the second rail 60, and includes a web 72 and two side arms 74. The two side arms 74 are slidably received from the two sides of the web 72, respectively. The third leg 70 is between the two arms 7/1. The second rail 60 and the third rail 70 respectively have corresponding slides to facilitate relative sliding between the two rails, and a ball cage or other sliding structure may be disposed between the corresponding rails of the second rail 60 and the third rail 70. . Referring to Figure 4, during installation, the ball holder 20 is slidably loaded into the second rail 60', and the balls 24, 260 respectively contact and slide in the inner slide 64 of the side arm 64 of the second rail 60. Inserting the pressed piece 627 of the web 62 of the second rail 6〇 into the square hole 862 of the positioning member 80, then pushing the positioning member 80 and pressing the positioning member 8 to set one end of the cantilever 840, thereby causing the side arm of the positioning member 80 82, 84 are respectively received in the end of the inner slide 640 of the two arms 64 of the second rail 60 1322860, and the pressed piece 627 of the second rail 60 is received in the recess 864 of the positioning member 80, and the mounting side 860 of the positioning member 80 The connecting bridge 865 of the positioning member 80 is received in the receiving groove 628 of the second rail 60, and the through hole 866 of the connecting bridge 865 and the fixing hole 630 of the second rail 60 are fixed. 632, the cantilever 840 is received in the notch 634 of the second rail 60, and a small gap is left between the pressing block 820 of the positioning member 80 and the side end 620 of the second rail 60. The rivet 90 is passed through the through hole 866 of the positioning member 80 and the fixing hole 632 of the second rail 60, thereby fixing the positioning member 80 to the second rail 60. The ball holder 20 is slid toward the positioning member 80, and the end portion of the locking portion 225 of the ball holder 20 presses against the oblique side of the block 842 of the positioning member 80 to deform the cantilever 840 toward the third rail 70 until The end of the buckle portion 225 is inserted into the gap between the pressing block 820 of the positioning member 80 and the side end 620 of the second holder 60. The block 842 of the positioning member 80 is aligned with the locking hole 226 of the locking portion 225, and the cantilever 840 The original shape is restored by the self-recovery force, and the block 842 is snapped into the snap hole 226 of the buckle portion 225 to position the ball holder 20. At this time, the end portion of the locking portion 225 of the ball holder 20 is pressed by the pressing block 820 of the positioning member 80 to be in close contact with the side end 620 of the second rail 60, thereby preventing the buckle portion 225 from being lifted, thereby avoiding the first execution. When the 40 is inserted, the ball holder 20 is damaged. The bottom of the free end of the pressing block 820 is curved in order to facilitate the insertion of the end of the buckle portion 225. Referring to FIG. 5, the first rail 40 is inserted between the two arms 82, 84 of the positioning member 80, and is pushed to slide in the retracting direction. 10 1322860 When the first rail 40 is inserted into the ball holder 20, the first The slides 440 of the rails 40 respectively contact the balls 240, 260 of the ball cage 20, which may assist in the sliding of the first handle 40 within the second handle 60. The first rail 40 is continuously pushed in until the protrusion 420 of the first rail 40 presses against the protrusion 844 of the positioning member 80 to deform the cantilever 840 toward the third rail 70. The block 842 of the positioning member 80 is self-ball. The snap hole 226 of the frame 20 is disengaged, and the ball holder 20 is unlocked relative to the second handle 60 to slide in the direction of retraction with the first handle 40. When the latching portion 225 of the ball holder 20 slides over the block 842 of the positioning member 80, the cantilever 840 is restored to its original shape by the self-recovering force. Of course, the positioning member 80 of the present invention may be fixed to the ball holder 20, such as a hook or the like, in other manners than the rivet 90, depending on actual needs. In summary, the present invention complies with the requirements of the invention patent, and proposes a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art of the present invention should be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a partially exploded view of a preferred embodiment of the ball slipper of the present invention. Fig. 2 is an enlarged view of a positioning member of a preferred embodiment of the ball slide of the present invention. 11 1322860 Figure 3 is an enlarged view of one end of a second rail of the preferred embodiment of the ball slipper of the present invention. Figure 4 is a perspective view of one end of a preferred embodiment of the ball slide of the present invention, wherein the first rail is withdrawn from the second rail and is not shown. Figure 5 is a perspective assembled view of a preferred embodiment of the ball slide of the present invention with the ball cage in an unlocked state. [Main component symbol description] Ball holder 20 web 22, 42, 62, 72 side end 220 ' 222 ' | 620 , 622 protruding plate 224 ' 624 fastening portion 225 fastening hole 226 side arm 24 , 26 ' 44 ' 64 ' 74 ' 82 ' 84 Ball 240 , 260 First 40 brackets 420 Slide 440 Second rail 60 Opening 626 Pressing plate 627 Storage groove 628 Fixing plate 630 Fixing piece L· 632 Notch 634 Inner slide 640 Third 70 Positioning member 80 Pressing block 820 Cantilever 840 Block 842 Bump 844 12 1322860 Plate 86 Mounting edge 860 Square hole 862 Recess 864 Connecting bridge 865 Through hole 866 Rivet 90 13