1322858 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，尤指一種裝設有滚 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 於其軌體間設有包括複數滾珠的滚珠架，該等滚珠分 別裝設於滚珠架上的對應裝設孔而排列成行，以使不 同執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。如三段式滑軌的内執與中執之間、中執 與外執之間，都可設置滚珠架。為保證滾珠架可以和 插入其内的軌體同步滑動，而且當不同軌體分離時， 相應的軌體可以準確快速地插入對應滚珠架内，滑軌 上還需設定位裝置以定位滚珠架。習知滚珠架定位裝 置多設於滑軌的軌體端部，因而需佔用滑執端部的空 間，而可能影響滑執上其他裝置的設置。 【發明内容】 鑒於以上内容，有必要提供一種裝設有不佔用滑 執執體空間的滚珠架定位裝置的滚珠滑軌。 一種滚珠滑軌，包括一第一執、一第二執、一設 於第一軌和第二軌之間的滾珠架及一可樞轉地裝設 於滚珠架的定位件，該滚珠架和第一軌係可滑動地收 6 1322858 容於第二執，該定位件包括一卡扣片，該滚珠架開設 一穿槽，該第二軌開設一卡槽，該卡扣片穿過該滚珠 架的穿槽後卡入該第二執的卡槽而將該滚珠架定位 於該第二軌。 相較習知技術，該滚珠滑執的定位件直接裝設於 滚珠架，而不會佔用滑執執體的空間。 【實施方式】 請參閱圖1及圖2，為本發明滚珠滑執較佳實施 方式，其包括一滾珠架20、一第一軌40、一套設於 第一執40的第二軌60、一套設於第二執60的第三軌 70和一滚珠架定位裝置，滚珠架20設於第一軌40和 第二執60之間，用於辅助第一軌40相對於第二執60 的滑動。該滾珠架定位裝置用於將滚珠架20於第二 軌60上定位，其包括一定位件80，一鉚釘90將定位 件80裝設於滚珠架20。 定位件80的主體為近似三角形的片體，其一角 處開設一通孔82，鉚釘90可穿過通孔82以裝設定位 件80。定位件80上鄰近通孔82的一側邊向靠近第一 軌40的方向彎折一較窄折片84,折片84鄰近通孔 82的一端向外延伸成一彈片840。定位件80上與通 孔82相鄰的另一側邊向靠近滚珠架20的方向彎折一 卡扣片86。 滚珠架20包括一腹板22及兩側臂24，兩側臂 7 1322858 24分別自腹板22的兩侧邊向靠近第一執40的方向彎 折。腹板22中部向靠近第一軌40的方向平行偏移形 成一凸出板220。凸出板220上靠近其一端部處設一 抵片222及一固定孔224,抵片222與定位件80的彈 片840相對應，固定孔224則對應於定位件80的通 孔82。腹板22上的凸出板220邊緣及其凸出的過渡 處開設一可供定位件80的卡扣片86穿過的階梯狀穿 槽226。每一側臂24上設有複數裝設孔，每一裝設孔 内裝設一滚珠240，以輔助第一軌40相對於第二執 60的滑動。 第一執40包括一腹板42及兩側臂44，兩側臂 44分別自腹板42的兩侧邊向靠近第二軌60的方向彎 折。每一側臂44向相對側臂44的方向凹陷，從而於 側臂44的外側形成一沿滑執縱長方向的滑道。 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 的兩侧邊向靠近第一軌40的方向彎折。腹板62中部 向靠近第一軌40的方向平行偏移形成一凸出板620， 腹板62 —端的凸出板620邊緣及其凸出的過渡處對 應定位件80的卡扣片86開設一階梯狀卡槽622。每 一側臂64具有較大的厚度，且中部内縮從而形成沿 滑軌縱長方向一内滑道642及一外滑道644。 第三執70用於收容第二執60，其包括一腹板72 及兩侧臂74,兩侧臂74分別自腹板72的兩側邊向靠 8 1322858 近第二軌60的方向彎折。每一側臂74向遠離相對侧 臂74的方向凸出，從而於側臂74的内側形成一沿滑 軌縱長方向的滑道742。每一側臂74的滑道742内收 容一裝設複數滚珠的滚珠架744,以輔助第二軌60相 對於第三軌70的滑動。 請參閱圖3，安裝時，將鉚釘90穿過定位件80 的通孔82和滚珠架20的固定孔224，從而將定位件 80可樞轉地裝設於滾珠架20，此時，定位件80的卡 扣片86穿過滾珠架20的穿槽226,定位件80的彈片 840抵頂於滾珠架20的抵片222，定位件80的折片 84的頂端抵頂於滚珠架20的一侧臂24。將滚珠架20 滑動裝入第二執60，其滚珠240分別接觸第二軌60 的侧臂64的内滑道642並於其中滑動，定位件80的 卡扣片86抵靠於腹板62的凸出板620的凸出過渡 處。當滾珠架20完全插入第二軌60並滑動到鎖固位 置後，定位件80的卡扣片86卡入第二軌60的卡槽 622並抵頂於卡槽622位於凸出板620部分的邊緣， 而將定位件80定位於第二軌60。將第二執60插入第 三執70，使其收容於第三執70的兩侧臂74内，第三 執70的滚珠架744的滚珠接觸第二執60的侧臂64 的外滑道644，而輔助第二執60相對於第三執70的 滑動。將第一執40插入第二執60，使其收容於第二 軌60的兩側臂64内，此時滚珠架20因定位於第二 軌60,第一執40可順利插入滚珠架20的側臂24内， 9 1322858 滚珠架20的滚珠240接觸第一軌40的侧臂44的滑 道，以輔助第一軌40相對於第二軌60的滑動。 請參閱圖4,推動第一軌40使其向縮入的方向滑 動，當第一軌40的一側臂44的端部接觸定位件80 的折片84後，折片84將受力而使定位件80樞轉， 定位件80的卡扣片86與第二執60的卡槽622位於 凸出板620的部分錯開，即卡扣片86樞轉至卡槽622 位於第二執60的腹板62未凸出部分的上方，而不再 抵頂於卡槽622的邊緣，定位件80即相對第二執60 解鎖；繼續推動第一執40，滚珠架20將與第一執40 一起向縮入的方向滑動。此時定位件80的彈片840 處於彈性變形狀態，當第一軌40對定位件80的推力 撤去後，定位件80將於彈片840的恢復力作用下復 位。 當然，根據實際需要，本發明中的滚珠架定位裝 置也可應用於第二執60與第三執70之間的滚珠架的 定位，或者應用於兩段式滑軌的滚珠架的定位。定位 件80也可以鉚釘90以外的其他方式柩轉裝設於滾珠 架20，如樞軸樞轉連接等。 當然，根據實際需要，本發明中的滚珠架定位裝 置也可應用於第二軌60與第三軌70之間的滚珠架的 定位，或者應用於兩段式滑執的滚珠架的定位。定位 件80也可以鉚釘90以外的其他方式樞轉裝設於滚珠 架20，如樞轴樞轉連接等。 10 1322858 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立體分解 圖。 圖2係本發明滚珠滑執較佳實施方式的定位件的 放大圖。 圖3係本發明滾珠滑軌較佳實施方式的立體組合 圖，其中滚珠架處於鎖固狀態。 圖4係本發明滚珠滑軌較佳實施方式的立體組合 圖，其中滚珠架處於解鎖狀態。 【主要元件符號說明】 滾珠架 20 腹板 22 凸出板 220 抵片 222 固定孔 224 穿槽 226 侧臂 24 滚珠 240 第一軌 40 腹板 42 侧臂 44 第二軌 60 腹板 62 凸出板 620 卡槽 622 側臂 64 11 1322858 内滑道 642 外滑道 644 第三執 70 腹板 72 侧臂 74 滑道 742 滾珠架 744 定位件 80 通孔 82 折片 84 彈片 840 卡扣片 86 鉚釘 90 121322858 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 rail bodies, and the balls are respectively mounted on the corresponding mounting holes on the ball racks. They are arranged in a row to make the relative sliding between different bodies smoother, and at the same time reduce the damage of the rails by mutual friction. For example, between the inner and middle of the three-stage slide, between the middle and the outer, the ball holder can be set. In order to ensure that the ball holder can slide synchronously with the rail body inserted therein, and when different rail bodies are separated, the corresponding rail body can be accurately and quickly inserted into the corresponding ball holder, and a position device is also required on the slide rail to position the ball holder. Conventional ball bearing positioning devices are often disposed at the end of the rail body of the slide rail, so that the space at the end of the sliding handle is occupied, which may affect the setting of other devices on the sliding handle. 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 that does not occupy a sliding actuator space. A ball slide rail includes a first handle, a second handle, a ball holder disposed between the first rail and the second rail, and a positioning member pivotally mounted on the ball holder, the ball holder and The first rail system slidably receives 6 1322858 and is received by the second holder. The positioning member includes a fastening piece, the ball holder defines a slot, the second rail defines a slot, and the latching piece passes through the ball. The groove of the frame is inserted into the slot of the second handle to position the ball holder on the second rail. Compared with the prior art, the ball slidable positioning member is directly mounted on the ball frame without occupying the space of the sliding body. 1 and 2, a preferred embodiment of a ball slide according to the present invention includes a ball holder 20, a first rail 40, and a second rail 60 disposed on the first handle 40. A third rail 70 disposed on the second handle 60 and a ball rack positioning device are disposed between the first rail 40 and the second handle 60 for assisting the first rail 40 with respect to the second handle 60. Sliding. The ball holder positioning device is for positioning the ball holder 20 on the second rail 60, and includes a positioning member 80 to which a rivet 90 mounts the positioning member 80 to the ball holder 20. The main body of the positioning member 80 is an approximately triangular piece having a through hole 82 at one corner thereof, and the rivet 90 can pass through the through hole 82 to mount the setting member 80. A narrower flap 84 is bent on a side of the positioning member 80 adjacent to the through hole 82 toward the first rail 40. The flap 84 extends outwardly from the end of the through hole 82 to form a resilient piece 840. The other side of the positioning member 80 adjacent to the through hole 82 is bent toward a side of the ball holder 20 to bend a snap tab 86. The ball holder 20 includes a web 22 and side arms 24, and the side arms 7 1322858 24 are bent from the side edges of the web 22 toward the first holder 40, respectively. The central portion of the web 22 is offset in parallel with the direction of the first rail 40 to form a raised plate 220. An abutting piece 222 and a fixing hole 224 are disposed on the protruding plate 220 near the one end portion thereof. The abutting piece 222 corresponds to the elastic piece 840 of the positioning member 80, and the fixing hole 224 corresponds to the through hole 82 of the positioning member 80. The edge of the raised plate 220 on the web 22 and its convex transition define a stepped slot 226 through which the snap tab 86 of the positioning member 80 passes. Each of the arms 24 is provided with a plurality of mounting holes, and a ball 240 is disposed in each of the mounting holes to assist the sliding of the first rail 40 relative to the second handle 60. The first handle 40 includes a web 42 and side arms 44 that are bent from the sides of the web 42 toward the second rail 60, respectively. Each of the side arms 44 is recessed in the direction of the opposite side arms 44 to form a slide path in the longitudinal direction of the sliding side on the outer side of the side arms 44. The second handle 60 is configured to receive 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 from the two sides of the web 62 toward the first rail 40, respectively. . The middle portion of the web 62 is offset in parallel with the direction of the first rail 40 to form a protruding plate 620. The edge of the protruding plate 620 at the end of the web 62 and the protruding transition portion thereof are opened corresponding to the locking piece 86 of the positioning member 80. Stepped card slot 622. Each of the arms 64 has a greater thickness and the central portion is retracted to form an inner slide 642 and an outer slide 644 along the longitudinal direction of the slide. The third handle 70 is for receiving the second handle 60. The third handle 70 includes a web 72 and two side arms 74. The two side arms 74 are bent from the side edges of the web 72 to the direction of the second rail 60 in the direction of 8 1322858. Each of the side arms 74 projects away from the opposite side arms 74, thereby forming a slide 742 along the longitudinal direction of the slide rails on the inner side of the side arms 74. A ball cage 744 is provided in the slide 742 of each side arm 74 to accommodate a plurality of balls to assist the sliding of the second rail 60 relative to the third rail 70. Referring to FIG. 3, during installation, the rivet 90 is passed through the through hole 82 of the positioning member 80 and the fixing hole 224 of the ball holder 20, so that the positioning member 80 is pivotally mounted to the ball holder 20, and at this time, the positioning member The locking piece 86 of the 80 passes through the through slot 226 of the ball holder 20, and the elastic piece 840 of the positioning member 80 abuts against the abutting piece 222 of the ball holder 20. The top end of the flap 84 of the positioning member 80 abuts against the ball holder 20. Side arm 24. The ball holder 20 is slidably loaded into the second holder 60, and the balls 240 respectively contact and slide in the inner slide 642 of the side arm 64 of the second rail 60, and the snap tab 86 of the positioning member 80 abuts against the web 62. The convex transition of the protruding plate 620. When the ball holder 20 is fully inserted into the second rail 60 and slid to the locking position, the locking piece 86 of the positioning member 80 is engaged with the slot 622 of the second rail 60 and abuts against the slot 622 at the portion of the protruding plate 620. The edge is positioned to position the positioning member 80 to the second rail 60. The second holder 60 is inserted into the third holder 70 so as to be received in the side arms 74 of the third holder 70, and the balls of the third holder 70 of the ball holder 744 contact the outer slides 644 of the side arms 64 of the second holder 60. And the secondary second 60 is slid relative to the third executive 70. The first handle 40 is inserted into the second handle 60 so as to be received in the two arms 64 of the second rail 60. At this time, the ball holder 20 is positioned on the second rail 60, and the first handle 40 can be smoothly inserted into the ball holder 20. Within the side arm 24, the ball 240 of the ball cage 20 contacts the slide of the side arm 44 of the first rail 40 to assist in sliding the first rail 40 relative to the second rail 60. Referring to FIG. 4, the first rail 40 is pushed to slide in the retracting direction. When the end of one arm 44 of the first rail 40 contacts the flap 84 of the positioning member 80, the flap 84 will be forced. The positioning member 80 is pivoted, and the locking piece 86 of the positioning member 80 and the locking groove 622 of the second holder 60 are located at a portion of the protruding plate 620, that is, the locking piece 86 is pivoted to the card slot 622 at the belly of the second holder 60. The plate 62 is not above the protruding portion, and no longer abuts against the edge of the card slot 622. The positioning member 80 is unlocked relative to the second handle 60; the first handle 40 is continuously pushed, and the ball holder 20 will be moved together with the first handle 40. Slide in the direction of retraction. At this time, the elastic piece 840 of the positioning member 80 is in an elastic deformation state, and when the thrust of the first rail 40 to the positioning member 80 is removed, the positioning member 80 is reset by the restoring force of the elastic piece 840. Of course, the ball holder positioning device of the present invention can also be applied to the positioning of the ball holder between the second holder 60 and the third holder 70, or to the positioning of the ball holder of the two-stage rail, according to actual needs. The positioning member 80 can also be mounted on the ball holder 20 in a manner other than the rivet 90, such as a pivotal pivot connection or the like. Of course, the ball holder positioning device of the present invention can also be applied to the positioning of the ball holder between the second rail 60 and the third rail 70, or to the positioning of the two-stage sliding ball holder, according to actual needs. The positioning member 80 can also be pivotally mounted to the ball holder 20 in other ways than the rivet 90, such as a pivotal pivot connection or the like. 10 1322858 In summary, the present invention complies with the requirements of the invention patent, and patents are filed 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 perspective exploded view of a preferred embodiment of the ball slipper of the present invention. Fig. 2 is an enlarged view of the positioning member of the preferred embodiment of the ball slipper of the present invention. Fig. 3 is a perspective assembled view of a preferred embodiment of the ball slide of the present invention, wherein the ball holder is in a locked state. Figure 4 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 protruding plate 220 abutment plate 222 fixing hole 224 through groove 226 side arm 24 ball 240 first rail 40 web 42 side arm 44 second rail 60 web 62 protruding plate 620 card slot 622 side arm 64 11 1322858 inner slide 642 outer slide 644 third hold 70 web 72 side arm 74 slide 742 ball holder 744 positioning member 80 through hole 82 flap 84 spring 840 snap tab 86 rivet 90 12