201226731 六、發明說明： 【發明所屬之技術領域】 本發明係與線性滑執有關，特別是指一種線性滑 軌之迴流系統。 【先前技術】 習知之線性滑執迴流系統，以美國公告第 6305846號專利為例，其主要由一個樹脂本體20、四 組樹脂管23以及二端蓋40所組成，其中該樹脂本體 20具有一蓋板29以及複數保持器21，該蓋板以及該 等保持器係一體成型。而其功能在於，該迴流系統提 供了滚珠的迴流通道，可使得線性滑執的滚珠得以循 環迴流。 上述之美國公告第6305846號專利，雖提供了滚 珠的迴流通道，然而，其樹脂本體的造型複雜，使得 開模不易且模具成本相對較高；此外，除了該樹脂本 體之外，還需要額外的四組樹脂管才能聯合形成迴流 通道，需要配合的元件較多；又，元件多也使得組裝 困難且費時。 日本第2007303556號專利，則揭露了另一種迴流 系統，其主要由二轉動體保持器22、四樹脂迴流部以 及二端蓋所組成；各該轉動體保持器係由兩側的連接 部224以及樹脂保持器221, 222, 223所構成。各該樹 脂迴流部則由轉向部21以及迴流部24所構成，且該 201226731 轉向部以及迴流部係一體成型。此迴流系統同樣的提 供了滚珠的迴流通道，可使得線性滑軌的滾珠得以循 環迴流。 上述之日本第2007303556號專利，雖提供了滚珠 的迴流通道，然而，其轉動體保持器的外型結構需使 用滑塊方式開模，此增加了模具成本；其次，其需要 的配件較多；此外，在組裝上也較為複雜且費時。 * 【發明内容】 基於上述習知技術之問題點，本發明人經過研究 改良後，終有確能達成以下發明之目的之發明誕生。 本發明之主要目的在於提供一種具迴流系統之線 性滑軌，其具有結構簡單且易於開模的功效。 本發明之次一目的在於提供一種具迴流系統之線 性滑軌，其具有配件較少且組裝容易、省時的功效。 φ 為了達成前述目的，依據本發明所提供之一種具 迴流系統之線性滑執，包含有： 一滑軌，呈長形，其表面具有與其長軸平行的二 - 以上滾道面； - 一滑塊，套設於該滑執且可沿該滑執之軸向移 動，該滑塊具有至少二迴流通孔，該滑塊相對於各該 滾道面的位置分別具有對應的一滾動溝，各該滾道面 係分別與其對應的該滾動溝組合形成一負荷路徑； 201226731 二迴流主體，設置於該滑塊的兩側，各該迴流主 體具有一端蓋、一蓋板，該端蓋具有一外侧面及一内 侧面’該内侧面係背對該外側面設置，該内侧面凸設 有至少二保持器、以及至少二迴流部，該迴流部分別 伸入該至少二迴流通孔；該内侧面設有至少二迴流轉 向溝分別對應且銜接於該至少二迴流部及該負荷路 徑，一該端蓋的保持器及迴流部之端面係與另一該端 蓋的保持器及迴流部之端面具有一連接關係’且該保 持器係對應於該滾動溝設置，各該迴流部具有一迴流 溝槽，一該端蓋的迴流部與另一該端蓋的迴流部係相 組合形成一非負荷路徑； 該蓋板，設於該端蓋的外侧面，各該蓋板具有至 少二方向迴轉部分別對應於該端蓋上的該至少二迴流 轉向溝’而形成至少二迴轉路徑，其中各該迴轉路徑 的兩端分別與-負荷路徑以及—非負荷路徑的頭端或 尾端相連接’且-該負荷路徑、—該非負荷路徑以及 位於兩端的二該迴轉路徑係構成一完整的迴流路徑； 以及複數滾動體’絲置於料迴祕彳£内而可滾動 或移動。藉此可具有結構簡單且易於開模，以及配件 幸乂少且組裝谷易、省時的功效。 其中，该端蓋之外側面係設有至少二凹槽，該迴 流轉向溝係設於該凹槽，該蓋板係設有相對‘凹二 凸塊，該凸塊係容設於該凹槽，該方向迴轉部係^於 5 201226731 該凸塊。 其中，該保持器及迴流部之端面係設有定位部， 該定位部係相互嵌設定位，該定位部係為凹凸配合。 為了更進一步瞭解本發明之特徵及技術内容，請 參閱以下有關本發明之實施方式說明及圖式，然而此 實施方式及圖式僅供說明及參考用，而非用以對本發 明做任何限制者。 【實施方式】 以下茲配合圖式列舉一較佳實施例，用以對本發明之 組成構件及功效作進一步說明，其中各圖式之簡要說明如 下： 第一圖係為本發明具迴流系統之線性滑軌組合 圖。 第二圖係為本發明具迴流系統之線性滑執分解 圖。 第三圖係為第二圖γ部分局部放大圖。 第四圖係為第二圖A _ A剖視圖。 第五圖係為本發明端蓋之局部剖視圖，顯示迴流 轉向溝之構型。 第六圖係為本發明具迴流系統之線性滑執端視 201226731 第七圖係為第六圖B — B剖視圖。 如第一圖至第七圖所示，本發明一較佳實施例所 - 提供之一種具迴流系統之線性滑執，主要由一滑軌 * 1、一滑塊2、二迴流主體3以及複數滾動體4所組 成，其中： 該滑執1 ’呈長形’其表面具有與其長軸平行的 四滾道面11，該四滾道面11係兩兩分別設置於該 * 滑執1的左侧以及右側。 該滑塊2，套設於該滑軌1且可沿該滑軌1之轴 向移動，該滑塊2具有四迴流通孔2 2，該滑塊2相 對於各該滾道面11的位置分別具有對應的一滾動溝 2 1 ’各該滾道面1 1係分別與其對應的該滚動溝2 1組合形成一負荷路徑L P (Loading Paiih)，本實施 例共構成四個負荷路徑L P。 籲 二該迴流主體3，設置於該滑塊2的兩側面，各 該迴流主體3具有一端蓋3 1、一蓋板3 2，該端蓋 3 1具有一外侧面3 1 B及一内側面3 1 A，該内側 ' 面3 1A係背對該外側面3 1 B設置，該内侧面3 1 * A係貼設於該滑塊2之侧面，且該内側面3 1A凸設 有五個保持器3 1 2、以及四個迴流部3 1 1，該迴 流部3 1 1分別伸入四個該迴流通孔2 2 ;該外側面 3 1 B凹設有四個凹槽3 1 3，該凹槽3 1 3中分別 201226731 1 —迴㈣向溝3 i 3 i分別對應且銜接於四個該 迴流部3 1 1及四個該負荷路徑Lp，一該端蓋3工 - $保持11 3 1 2及迴流部3 1 1之端面係與另一該端 • 蓋31的保持器312及迴流部311之端面具有一 連接關係’於本實施例中，前述之連接關係係介由該 保持器3 1 2及迴流部3 1 1之端面戶斤設之定位部3 1 1 2、3 1 2 1相互嵌設定位，其為凹凸配合的設 _ 计，且該保持器3 1 2係對應於該滚動溝2 1設置， 各該迴流部3 1 1具有一迴流溝槽3 1 1 1，一該端 蓋3 1的迴流部3 1 1與另一該端蓋3丄的迴流部3 1 1之迴流溝槽3 1 1 1係相組合形成一非負荷路徑 N L P (Non-Loading Path)，本實施例係構成四個非 負荷路徑N L P ^ §亥二蓋板3 2，設於該端蓋3 1的外側面3 1 B ’各該蓋板3 2具有四個相對該凹槽3 1 3之凸塊 321，該凸塊321係容設於該凹槽3 1 3，該凸 塊3 2 1上分別設有一方向迴轉部3 2 1 1，其分別 對應於該端蓋31上的四個該迴流轉向溝3131， 而形成四個迴轉路徑T A P (Turn Around Path)，其 中各該迴轉路徑TAP的兩端分別與一負荷路徑乙p 以及一非負荷路徑NL P的頭端或尾端相連接，且一 該負荷路徑L P、一該非負荷路徑N L P以位於兩端 201226731 的二該迴轉路徑ΤΑ P係構成一完整的迴流路徑，於 本實施例中總共構成了四個完整的迴流路徑。 該等滾動體4，於本實施例中係為滾珠，容置於 該等完整的迴流路徑内而可滾動或移動。 接下來說明本實施例之動作狀態。請參閱第二 圖、第六圖及第七圖，在該滑塊2沿該滑執丄移動的 過私中，該等滾動體4係於各該完整的迴流路徑中移 動。在該等滾動體4位於一該負荷路徑L p時，係提 供該滑塊2的滾動溝2 1與該滑軌1的滾道面1丄之 間的支#效果，達到提高負荷能力的功效。而該等滾 動體4係藉由一該迴轉路徑丁 A p進入至一該非負荷 路徑N L P，再由該非負荷路徑N L p經過另一該迴 轉路徑丁 A P而迴流至該負荷路徑l p中。 由第二圖可以看出，各該端蓋3 i係為一體成 型，亦即，以一該端蓋3 1來看，其與五該保持器3 1 2以及四該迴流部3 1 1係一體成型，且可利用塑 膠射出來一次成型，此可明確看出較習知技術的結構 更為簡單，且需求的配件更少。 再由第二圖可以看出，只要以二該端蓋3 1相對 結合於該滑塊2的兩側，該等迴流部3丄丄即可以自 動的形成完整的管狀通道（即非負荷路徑NLp)，此種 結合方式簡單快速且—次完成，在組裝上均較習知技 201226731 術更為容易且快速。 綜所上述，所以本發明之『具有產業之可利用性 應已毋庸置疑，除此之外，在本案實施例所揭露出的 特徵技術，於申請之前並未曾見於諸刊物，亦未曾被 公開使用，不但具有如上所述功效增進之事實，更具 有不可輕忽的附加功效，是故，本發明的『新穎性』 以及『進步性』都已符合專利法規，爰依法提出發二 專利之申請，祈請惠予審查並早曰賜准專利，實感裨 便。 " 以上所述實施例之揭示係用以說明本發明，並非 用以限制本發明，故舉凡數值之變化與等效元件之置 換，仍應隸屬本發明之範嘴。 201226731 【圖式簡單說明】 第一圖係為本發明具迴流系統之線性滑執組合 圖。 第二圖係為本發明具迴流系統之線性滑軌分解 圖。 第二圖係為第二圖Y部分局部放大圖。201226731 VI. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to linear sliding, and more particularly to a linear sliding system reflow system. [Prior Art] A conventional linear sliding reflow system is exemplified by U.S. Patent No. 6,305,846, which is mainly composed of a resin body 20, four sets of resin tubes 23, and a two-end cover 40, wherein the resin body 20 has a The cover plate 29 and the plurality of retainers 21 are integrally formed. The function is that the recirculation system provides a ball return path that allows the linear sliding ball to circulate back. The above-mentioned U.S. Patent No. 6,305,846 provides a ball return passage, however, the shape of the resin body is complicated, making mold opening difficult and the mold cost relatively high; in addition, in addition to the resin body, additional Four sets of resin tubes can be combined to form a return channel, and more components need to be matched; in addition, many components also make assembly difficult and time consuming. Japanese Patent No. 2007303556 discloses another reflow system which is mainly composed of a two-rotor holder 22, a four-resin return portion, and a two-end cover; each of the rotor holders is connected by two sides 224 and Resin holders 221, 222, and 223 are formed. Each of the resin return portions is composed of a turning portion 21 and a reflow portion 24, and the 201226731 turning portion and the reflow portion are integrally formed. This recirculation system also provides a ball return path that allows the balls of the linear slide to be recirculated. In the above-mentioned Japanese Patent No. 2007303556, although the return passage of the ball is provided, the outer structure of the rotary body holder needs to be opened by using a slider method, which increases the cost of the mold; secondly, it requires more accessories; In addition, assembly is also complicated and time consuming. * [Disclosed from the Invention] Based on the problems of the above-mentioned conventional techniques, the inventors of the present invention have succeeded in research and development, and have finally succeeded in achieving the object of the following invention. SUMMARY OF THE INVENTION A primary object of the present invention is to provide a linear slide rail having a reflow system which has a simple structure and is easy to mold. A second object of the present invention is to provide a linear slide rail having a reflow system which has fewer fittings and is easy to assemble and time-saving. φ In order to achieve the above object, a linear sliding device with a reflow system according to the present invention comprises: a sliding rail having an elongated shape with a surface having two or more raceways parallel to its long axis; a block that is sleeved on the slide and movable along an axial direction of the slide, the slider has at least two return through holes, and the slider has a corresponding rolling groove with respect to each of the raceway faces, respectively The raceway surface is combined with the corresponding rolling groove to form a load path; 201226731 two reflow bodies are disposed on two sides of the slider, each of the return body has an end cover and a cover plate, and the end cover has an outer cover a side surface and an inner side surface, wherein the inner side surface is disposed on the outer side surface, the inner side surface is convexly provided with at least two retainers, and at least two reflow portions respectively extending into the at least two return through holes; the inner side surface And at least two returning redirecting grooves respectively corresponding to the at least two reflow portions and the load path, wherein an end surface of the retainer and the reflow portion of the end cap and an end surface of the retainer and the reflow portion of the other end cap have a connection relationship 'and the holder corresponds to the rolling groove arrangement, each of the reflow portions has a return groove, and a return portion of the end cover is combined with another reflow portion of the end cover to form a non-load path; The cover plate is disposed on an outer side surface of the end cover, and each of the cover plates has at least two-way rotating portions respectively corresponding to the at least two returning turning grooves on the end cover to form at least two turning paths, wherein each of the rotating paths The two ends are respectively connected to the -load path and the head end or the end end of the non-load path - and - the load path, the non-load path and the two of the two end paths at the two ends constitute a complete return path; The rolling element's wire is placed inside the material back and can be rolled or moved. Thereby, the structure can be simple and easy to mold, and the accessories are less fortunate and the assembly is easy and time-saving. Wherein, the outer surface of the end cover is provided with at least two grooves, and the returning steering groove is disposed on the groove, and the cover plate is provided with a relative 'recessed two convex block, and the convex block is received in the groove , the direction of the turn part is ^ 5 201226731 the bump. Wherein, the end faces of the retainer and the return portion are provided with positioning portions, and the positioning portions are embedded with each other, and the positioning portions are concave-convex fit. In order to further understand the features and technical aspects of the present invention, reference should be made to the description of the embodiments of the present invention and the accompanying drawings. . DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be further described with reference to the accompanying drawings, in which the components and functions of the present invention are further described. The following is a brief description of the drawings: Slide combination diagram. The second figure is an exploded view of the linear slipper with a reflow system of the present invention. The third figure is a partial enlarged view of the γ portion of the second figure. The fourth figure is a cross-sectional view of the second figure A_A. Figure 5 is a partial cross-sectional view of the end cap of the present invention showing the configuration of the return steering groove. The sixth figure is a linear sliding end view of the present invention with a recirculation system. 201226731 The seventh drawing is a cross-sectional view of the sixth drawing B-B. As shown in the first to seventh embodiments, a linear slipper with a reflow system according to a preferred embodiment of the present invention is mainly composed of a slide rail*1, a slider 2, two reflow bodies 3, and a plurality The rolling body 4 is composed of: the sliding handle 1 'is elongated" having a surface having four raceway faces 11 parallel to its long axis, and the four raceway faces 11 are respectively disposed on the left of the *slipper 1 Side and right side. The slider 2 is sleeved on the slide rail 1 and movable along the axial direction of the slide rail 1. The slider 2 has four return through holes 22, and the position of the slider 2 relative to each of the raceway faces 11 Each of the rolling grooves 2 1 ' respectively has a rolling path 1 1 combined with the corresponding rolling groove 2 1 to form a load path LP (Loading Paiih). In this embodiment, four load paths LP are formed. The reflow body 3 is disposed on both sides of the slider 2, and each of the reflow bodies 3 has an end cover 3 1 and a cover plate 3 2 . The end cover 31 has an outer side surface 3 1 B and an inner side surface. 3 1 A, the inner side 3 1A is disposed on the outer side surface 3 1 B, and the inner side surface 3 1 * A is attached to the side surface of the slider 2 , and the inner side surface 3 1A is convexly provided with five a retainer 3 1 2, and four reflow portions 3 1 1 , the reflow portion 3 1 1 respectively extending into the four return through holes 2 2 ; the outer side surface 3 1 B is recessed with four grooves 3 1 3, The recesses 3 1 3 respectively correspond to the 201226731 1 - back (four) grooves 3 i 3 i and are respectively connected to the four reflow portions 3 1 1 and the four load paths Lp, and the end cover 3 is - 11 The end face of the 3 1 2 and the reflow portion 3 1 1 has a connection relationship with the end faces of the holder 312 and the reflow portion 311 of the other end cover 31. In the present embodiment, the aforementioned connection relationship is maintained by the retention. The positioning portion 3 1 1 2, 3 1 2 1 of the end face of the reflow portion 3 1 2 and the reflow portion 3 1 1 are embedded with each other, which is a setting of the concavity and convexity, and the holder 3 1 2 corresponds to Set in the rolling groove 2 1 , each The reflow portion 31 has a return groove 3 1 1 1 , a return portion 3 1 1 of the end cap 3 1 and a return groove 3 1 1 of the return portion 3 1 1 of the other end cover 3 回流The system is combined to form a non-loading path NLP (Non-Loading Path). In this embodiment, four non-load paths NLP ^ 亥 二 2 cover plate 3 2 are formed on the outer side surface 3 1 B ' of the end cover 3 1 . Each of the cover plates 3 2 has four protrusions 321 opposite to the groove 3 1 3 , and the protrusions 321 are received in the groove 3 1 3 , and the protrusions 3 2 1 are respectively provided with a direction rotation part 3 . 2 1 1 respectively corresponding to the four return steering grooves 3131 on the end cover 31, and forming four turn paths TAP (Turn Around Path), wherein the two ends of the rotary path TAP are respectively associated with a load path B And a head end or a tail end of the non-load path NL P is connected, and a load path LP and a non-load path NLP form a complete return path by the two rotation paths ΤΑ P located at both ends 201226731. A total of four complete return paths are formed in this embodiment. The rolling elements 4, which in the present embodiment are balls, are accommodated in the complete return path and can be rolled or moved. Next, the operation state of this embodiment will be described. Referring to the second, sixth and seventh figures, in the smuggling of the slider 2 along the slid, the rolling bodies 4 are moved in each of the complete return paths. When the rolling elements 4 are located on the load path L p , the effect of the rolling groove 2 1 of the slider 2 and the raceway surface 1 of the sliding rail 1 is provided to achieve the effect of improving the load capacity. . The rolling bodies 4 enter a non-load path N L P by a turning path, and then flow back to the load path 110 by the non-load path N L p through another return path D A P . As can be seen from the second figure, each of the end caps 3 i is integrally formed, that is, viewed from the end cap 3 1 , and the retainer 3 1 2 and the reflow portion 3 1 1 It is integrally formed and can be molded in one time with plastic. This clearly shows that the structure of the prior art is simpler and requires fewer accessories. It can be seen from the second figure that as long as the end caps 31 are oppositely coupled to both sides of the slider 2, the reflow portions 3 can automatically form a complete tubular passage (ie, the non-load path NLp). This combination is simple, fast, and complete, and is easier and faster to assemble than the conventional technique 201226731. In view of the above, the industrial applicability of the present invention should be unquestionable. In addition, the feature techniques disclosed in the examples of the present invention have not been seen in publications before, and have not been publicly used. It not only has the fact that the effect is improved as described above, but also has the additional effect that it cannot be neglected. Therefore, the "novelty" and "progressiveness" of the present invention have been in compliance with the patent regulations, and the application for issuing the second patent is proposed according to law. Please feel free to review and give patents as soon as possible. The above description of the embodiments is intended to be illustrative of the invention, and is not intended to limit the invention. 201226731 [Simple description of the diagram] The first figure is a linear sliding combination diagram of the recirculation system of the present invention. The second figure is an exploded view of a linear slide with a reflow system of the present invention. The second figure is a partial enlarged view of the Y part of the second figure.
第四圖係為第二圖A ~ A剖視圖。 第五圖係為本發明喊之局部剖視圖，顯示迴流 轉向溝之構型。 第八圖係、為本發明具迴流系統之線性滑軌端視 係為第 B剖視圖 201226731 【主要元件符號說明】 1 滑執 1 1 滾道面 2 滑塊 2 1 滾動溝 2 2 迴流通孔 3 迴流主體 3 1 端蓋 3 1 A 内侧面 3 1 B 外側面 3 1 1 迴流部 3111 迴流溝槽 3 1 1 2 定位部 312 保持器 3 1 2 1 定位部 3 13 凹槽 3 1 3 1 迴流轉向溝 3 2 蓋板 3 2 1 凸塊 3211 方向迴轉部 4 滾動體 L P 負荷路徑 N L P 非負荷路徑 TAP 迴轉路徑The fourth figure is a cross-sectional view of the second figure A to A. The fifth drawing is a partial cross-sectional view of the present invention showing the configuration of the return steering groove. The eighth figure is the linear slide end view system with the recirculation system of the present invention as the B-sectional view 201226731 [Main component symbol description] 1 Slipper 1 1 Raceway surface 2 Slider 2 1 Rolling groove 2 2 Backflow hole 3 Reflow body 3 1 End cap 3 1 A Inner side 3 1 B Outer side 3 1 1 Reflow part 3111 Recirculation groove 3 1 1 2 Positioning part 312 Retainer 3 1 2 1 Positioning part 3 13 Groove 3 1 3 1 Return steering Groove 3 2 Cover 3 2 1 Bump 3211 Directional turn 4 Rolling element LP Load path NLP Non-load path TAP Swing path
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