201126073 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種無滾珠滑軌。 【先前技術】 [0002] 為減少抽屜抽拉時的阻力，一般的抽屜滑執都會在滑軌 的各軌體之間安裝滚珠架及滚珠。滾珠滑軌推拉方便， 但成本較高，且滾珠架及滾珠等元件易於損壞而導致滚 珠滑軌不能繼續使用。 ^ 【發明内容】 〇 [0003] 鑒於以上内容，有必要提供一種便於抽拉的無滚珠滑軌 [0004] 一種無滚珠滑軌，包括一第一軌體、一裝設於第一軌體 内的第二軌體及一裝設於第二轨體内的第三軌體，該第 二軌體位於該第一軌體及該第三軌體之間，該第一軌體 與該第二軌體、該第二軌體與該第三軌體之間均以曲面 形狀直接接觸，該第二軌體包括對稱設置的上臂和下臂 Q ，上臂和下臂均包括依次相連的一第一彎折部、一第二 彎折部、一第三彎折部及一第四彎折部，該第二彎折部 與第一彎折部的連接處外緣形成一弧形的第一滑動部與 第三軌體滑動接觸，該第四彎折部與該第三彎折部的連 接處外緣形成一弧形的第二滑動部與第一軌體滑動接觸 [0005] 相較習知技術，該無滚珠滑轨的第一轨體與第二軌體、 第二軌體與第三執體之間均以曲面形狀直接接觸，不僅 減少了滚珠等元件的使用，節省成本，並且結構牢靠， 099101287 表單編號 A0101 第 5 頁/共 Π 頁 0992002538-0 201126073 承載力強，滑動省力。 【實施方式】 [0006] 請參閱圖1和圖2，本發明無滾珠滑軌較佳實施方式包括 一第一執體20、一第二軌體40、一第三軌體60和複數設 置於各軌體間的定位裝置（圖未示），第一軌體20可固 定於一固定物體，如櫥櫃或機櫃，第三轨體60則固定於 一抽屜或伺服器的侧壁，第二轨體40收容於第一軌體20 和第三軌體60之間，第二軌體40和第三軌體60可相對於 第一軌體20做拉伸或縮入方向的滑動，以便將抽屜Μ司服 器拉出或推入櫥櫃/機櫃。該定位裝置設於相鄰的軌體之 間，用於防止對應軌體的意外滑動，當定位裝置處於解 鎖狀態時，相應執體才能做拉伸或縮入滑動。 [0007] 請一併參閱圖3，第一軌體20包括一固定板22、一上臂24 及一下臂26，固定板22為一豎直板體，上臂24及下臂26 分別自固定板22的上下兩侧向同一方向對稱彎折並大致 平行。上臂24及下臂26與固定板22之間分別形成有一傾 斜的連接部241、261。上臂24的臂端242最終向下折回 與固定板22平行。上臂24的中部外侧向外形成一圓弧狀 的凸起243，進而在上臂24的内側形成一主體為弧形的内 凹的上滑道244。下臂26的臂端262最終向上折回與固定 板22平行。下臂26的中部外側向外形成一圓弧狀的凸起 263，進而在下臂26的内側形成一主體為弧形的内凹的下 滑道264。 [0008] 第二軌體40包括一腹板42、一上臂44及一下臂46。腹板 42包括豎直的兩端部422及一偏置的凸出部424，凸出部 099101287 表單編號Α0101 第6頁/共17頁 0992002538-0 201126073 422平订於兩端部422並通過兩傾斜面426連接於兩端部 ，上#44及下臂46分別自腹板42的兩側彎折， Ο 臂44和下彳46為對稱結構，此處僅以下臂46為例描 體域。下臂46包括一第—f折部462、-第二彎 A P464帛二彎折部466、第四彎折部467及第五彎折 ^468。該第一彎折部_、第二彎折部464、第三彎折 “6第四弯折部467及第五彎折部468依次相連形成 C形。該第—彎折部462係自對應的端部422向遠離 第—軌體2G的方向傾斜向上彎折而成並與該端部422共同 形成一v形。該第+聲折部464係自第一彎折部462向遠離 第—執體2Q的方向傾斜向下f折而成Hf折部464 與第一彎折部462垂直設置並在連接處外緣形成一弧形的 第—滑動部463。該第三彎折部466自該第二彎折部464 向靠近第一軌體2〇的方向傾斜向下延伸形成。該第三彎201126073 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a ball-free slide rail. [Prior Art] [0002] In order to reduce the resistance when the drawer is pulled, a general drawer slipper mounts a ball cage and a ball between the rails of the slide rail. Ball slides are easy to push and pull, but the cost is high, and components such as ball cages and balls are easily damaged and the ball slides cannot be used any more. ^ [Summary of the Invention] 〇[0003] In view of the above, it is necessary to provide a ball-free slide rail that is easy to pull [0004] A ball-free slide rail, including a first rail body, and a first rail body a second rail body and a third rail body mounted in the second rail body, the second rail body being located between the first rail body and the third rail body, the first rail body and the second rail body The rail body, the second rail body and the third rail body are directly in contact with each other in a curved shape, the second rail body includes a symmetrically disposed upper arm and a lower arm Q, and the upper arm and the lower arm each include a first one connected in sequence a curved portion, a second bent portion, a third bent portion and a fourth bent portion, wherein the outer edge of the joint of the second bent portion and the first bent portion forms an arcuate first sliding The sliding portion is in sliding contact with the third rail body, and the outer edge of the joint of the fourth bent portion and the third bent portion forms an arc-shaped second sliding portion which is in sliding contact with the first rail body [0005] The first rail body of the ball-free rail and the second rail body, the second rail body and the third body are directly in contact with each other in a curved shape, not only Reduces the use of components such as balls, saves costs, and is structurally sound, 099101287 Form No. A0101 Page 5 / Total 0 Page 0992002538-0 201126073 Strong bearing capacity and low sliding force. [0006] Referring to FIG. 1 and FIG. 2, a preferred embodiment of the ball-free slide rail of the present invention includes a first body 20, a second rail body 40, a third rail body 60, and a plurality of A positioning device (not shown) between the rail bodies, the first rail body 20 can be fixed to a fixed object, such as a cabinet or a cabinet, and the third rail body 60 is fixed to a side wall of a drawer or a server, and the second rail The body 40 is received between the first rail body 20 and the third rail body 60. The second rail body 40 and the third rail body 60 can be stretched or retracted relative to the first rail body 20 to facilitate the drawer. Pull out or push the cabinet into the cabinet/cabinet. The positioning device is disposed between adjacent rail bodies for preventing accidental sliding of the corresponding rail body. When the positioning device is in the unlocked state, the corresponding body can be stretched or retracted. Referring to FIG. 3 together, the first rail body 20 includes a fixing plate 22, an upper arm 24 and a lower arm 26. The fixing plate 22 is a vertical plate body, and the upper arm 24 and the lower arm 26 are respectively fixed from the fixing plate 22. The upper and lower sides are symmetrically bent and substantially parallel in the same direction. An inclined connecting portion 241, 261 is formed between the upper arm 24 and the lower arm 26 and the fixed plate 22, respectively. The arm end 242 of the upper arm 24 is ultimately folded back down parallel to the fixed plate 22. An arc-shaped projection 243 is formed outwardly on the outer side of the central portion of the upper arm 24, and an inner upper slide 244 having a curved main body is formed on the inner side of the upper arm 24. The arm end 262 of the lower arm 26 is eventually folded back up parallel to the fixed plate 22. An arc-shaped projection 263 is formed outwardly on the outer side of the lower portion of the lower arm 26, and a concave lower slide 264 having a curved main body is formed on the inner side of the lower arm 26. The second rail body 40 includes a web 42, an upper arm 44, and a lower arm 46. The web 42 includes vertical end portions 422 and an offset projection 424, and the projections 099101287 form number Α0101 page 6/17 pages 0992002538-0 201126073 422 are flattened at both ends 422 and passed through two The inclined surface 426 is connected to both end portions, and the upper #44 and the lower arm 46 are respectively bent from both sides of the web 42, and the arm 44 and the lower jaw 46 have a symmetrical structure, and only the lower arm 46 is exemplified. The lower arm 46 includes a first f-fold portion 462, a second bend A P464, a second bent portion 466, a fourth bent portion 467, and a fifth bent portion 468. The first bending portion _, the second bending portion 464, the third bending portion 6, the fourth bending portion 467 and the fifth bending portion 468 are sequentially connected to form a C shape. The first bending portion 462 is self-corresponding The end portion 422 is bent upwardly and obliquely away from the direction of the first rail body 2G and forms a v shape with the end portion 422. The first sound folding portion 464 is away from the first bending portion 462. The direction of the body 2Q is inclined downwardly and f-folded to form an Hf fold portion 464 which is disposed perpendicular to the first bent portion 462 and forms an arc-shaped first sliding portion 463 at the outer edge of the joint. The third bent portion 466 is self-contained. The second bent portion 464 is formed to extend obliquely downward toward the first rail body 2〇. The third bend
G 折部466與該第二彎折部464之間有一弧形的過渡部。該 第四彎折部467係自第三彎折部466向靠近該第一轨體2〇 的方向並傾斜向上延伸形成》鵁第四彎折部467與該第三 彎折部4 6 6垂直設置並在連接處外緣形成一弧形的第二滑 動部465。該第五彎折部468係自該第四彎折部467向該 第一彎折部462的方向延伸形成，該第五彎折部468與第 —轨體20平行。第二滑動部465外緣上各點的曲率半徑與 第一軌體20的下滑道264上對應各點的曲率半徑相同，當 第二執體40收容於第一執體20時，第二軌體40的第二滑 動部465可收容並貼合於第一軌體20的下滑道264，以使 下滑道264以曲面接觸的形式支撐第二軌體40，有利於增 強第一軌體20對第二轨體40的載荷能力。在第二軌體40 099101287 表單編號A0101 第7頁/共17頁 0992002538-0 201126073 相對於第一轨體20滑動時，第二滑動部465沿下滑道264 滑動。上臂44與下臂46為對稱結構，其包括與下臂46形 狀對稱的一第一彎折部442、一第二彎折部444、一第三 彎折部446、一第四彎折部447、一第五彎折部448。其 中第一彎折部442與第二彎折部444之間的連接處外緣形 成一第一滑動部443 ;第三彎折部446與第四彎折部447 之間的連接處外緣形成一第二滑動部445。第一滑動部 443上各點的曲率半徑與第一軌體20的上滑道244上對應 各點的曲率半徑相同，當第二軌體40收容於第一轨體20 時，上臂44的第一滑動部443收容並貼合於第一執體20的 上滑道244，二者為曲面接觸。 [0009] 第三軌體60包括一裝設板62、一上臂64及一下臂66，裝 設板62為一豎直板體，上臂64及下臂66均呈弧形且分別 自裝設板62的兩侧對稱彎折。上臂64的外緣内凹形成一 滑道642。下臂66的外緣内凹形成一滑道662。滑道642 上各點的曲率半徑與第二執體40的上臂44的第一滑動部 443上對應各點的曲率半徑相同，當第三轨體60部分收容 第二軌體40時，第三軌體60的滑道642收容第二軌體40 的第一滑動部443，以使第一滑動部443以曲面接觸的形 式與滑道642相配合。下臂66的滑道662上各點的曲率半 徑與第二執體40的下臂46的第一滑動部463上對應各點的 曲率半徑相同，當第三執體60部分收容第二軌體40時， 第三軌體60的滑道662收容第二軌體40的下臂46的第一 滑動部463，二者為曲面接觸，以使第二轨體40的下臂46 的第一滑動部463以曲面接觸的形式支撐第三轨體60，有 099101287 表單編號A0101 第8頁/共17頁 0992002538-0 201126073 利於增強第二軌體40對第三轨體60的載荷能力。 [0010] ο [0011] [0012] ο [0013] [0014] [0015] 組裝時，只需將第二執體40插入第一軌體20内，其上臂 44及下臂46的第二滑動部445、465分別收容於第一執體 20的上臂24和下臂26内，兩第二滑動部445、465分別與 第一執體20的上滑道244和下滑道264以曲面接觸，並相 對滑動。將第三軌體60套設於第二軌體40的上臂44的第 一滑動部443與下臂46的第一滑動部463之間，第三軌體 60的滑道642、662分別對第二軌體40的第一滑動部443 、463以曲面接觸，並相對滑動。 為減小不同執體之間相對滑動的摩擦力，可在第一軌體 20的上滑道244和下滑道264以及第三軌體60的滑道642 、662内加入適量潤滑油或增大各滑道的光滑度，以方便 各轨體之間的相對滑動。 在本實施方式中，該第一軌體20與該第二軌體40、該第 二軌體40與該第三軌體60之間均以曲面形权直接接觸， 、 I、 .1、 Ar/f — ».l · t Α-Λτ t、 I 、/ /.1 « 个1重賊少丨浓沐寻70忏的使用，即笮凤不，亚且踎稱午 靠，承載力強，滑動省力。 综上所述，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方式，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為本發明無滚珠滑轨較佳實施方式的立體分解圖。 圖2為本發明無滚珠滑軌較佳實施方式的立體組合圖。 099101287 表單編號A0101 第9頁/共17頁 0992002538-0 201126073 [0016] 圖3為本發明無滾珠滑軌較佳實施方式的橫截面圖。 【主要元件符號說明】 [0017] 第一軌體：20 [0018] 固定板：2 2 [0019] 上臂：24、44、64 [0020] 連接部：241、261 [0021] 臂端：242、262 [0022] 凸起：243、263 [0023] 上滑道：244 [0024] 下臂：26、46、66 [0025] 下滑道：264 [0026] 第二執體：40 [0027] 腹板：42 [0028] 端部：42 2 [0029] 凸出部：424 [0030] 傾斜面：426 [0031] 第一彎折部：442、462 [0032] 第二彎折部：444、464 [0033] 第三彎折部：446、466 [0034] 第四彎折部：447、467 099101287 表單編號A0101 第10頁/共17頁 0992002538-0 201126073 [0035] 第五彎折部：448、468 [0036] 第一滑動部：443、463 [0037] 第二滑動部：445、465 [0038] 第三軌體：60 [0039] 裝設板：62 [0040] 滑道：642、662 ❹ ❹ 099101287 表單編號A0101 第11頁/共17頁 0992002538-0An arcuate transition portion is formed between the G-folded portion 466 and the second bent portion 464. The fourth bent portion 467 is formed from the third bent portion 466 in a direction close to the first rail body 2〇 and extends obliquely upward to form a “fourth bent portion 467 and a vertical portion of the third bent portion 466”. A second sliding portion 465 is formed and formed at the outer edge of the joint. The fifth bent portion 468 is formed to extend from the fourth bent portion 467 toward the first bent portion 462, and the fifth bent portion 468 is parallel to the first rail body 20. The radius of curvature of each point on the outer edge of the second sliding portion 465 is the same as the radius of curvature of the corresponding point on the glide path 264 of the first rail body 20, and when the second body 40 is received in the first body 20, the second track The second sliding portion 465 of the body 40 can be received and attached to the glide path 264 of the first rail body 20, so that the glide path 264 supports the second rail body 40 in the form of a curved contact, which is beneficial to enhancing the pair of the first rail body 20 The load capacity of the second rail body 40. In the second rail body 40 099101287 Form No. A0101 Page 7 of 17 0992002538-0 201126073 When sliding relative to the first rail body 20, the second sliding portion 465 slides along the glide path 264. The upper arm 44 and the lower arm 46 are symmetric structures, and include a first bending portion 442, a second bending portion 444, a third bending portion 446, and a fourth bending portion 447 which are symmetric with the shape of the lower arm 46. a fifth bent portion 448. The outer edge of the joint between the first bent portion 442 and the second bent portion 444 forms a first sliding portion 443; the outer edge of the joint between the third bent portion 446 and the fourth bent portion 447 is formed. A second sliding portion 445. The radius of curvature of each point on the first sliding portion 443 is the same as the radius of curvature of the corresponding point on the upper slide 244 of the first rail body 20, and when the second rail body 40 is received in the first rail body 20, the upper arm 44 A sliding portion 443 is received and attached to the upper slide 244 of the first body 20, and the two are in curved contact. The third rail body 60 includes a mounting plate 62, an upper arm 64 and a lower arm 66. The mounting plate 62 is a vertical plate body, and the upper arm 64 and the lower arm 66 are both arcuate and respectively have a self-installing plate 62. The sides are symmetrically bent. The outer edge of the upper arm 64 is concavely formed with a slide 642. The outer edge of the lower arm 66 is concavely formed with a slide 662. The radius of curvature of each point on the slide 642 is the same as the radius of curvature of the corresponding point on the first sliding portion 443 of the upper arm 44 of the second embodiment 40. When the third rail body 60 partially receives the second rail 40, the third The slide 642 of the rail body 60 receives the first sliding portion 443 of the second rail body 40 such that the first sliding portion 443 cooperates with the slide rail 642 in a curved contact manner. The radius of curvature of each point on the slide 662 of the lower arm 66 is the same as the radius of curvature of the corresponding point on the first sliding portion 463 of the lower arm 46 of the second body 40. When the third body 60 partially accommodates the second body At 40 o'clock, the slide 662 of the third rail body 60 receives the first sliding portion 463 of the lower arm 46 of the second rail body 40, which are in curved contact, so that the first sliding of the lower arm 46 of the second rail body 40 The portion 463 supports the third rail body 60 in the form of a curved contact, having 099101287 Form No. A0101 Page 8 / Total 17 Page 0992002538-0 201126073 Conducive to enhancing the load capacity of the second rail body 40 to the third rail body 60. [0012] [0012] [0015] [0015] When assembling, only the second actuator 40 is inserted into the first rail body 20, and the second arm 44 and the lower arm 46 are second sliding. The portions 445 and 465 are respectively received in the upper arm 24 and the lower arm 26 of the first embodiment 20, and the two second sliding portions 445 and 465 are in curved contact with the upper slide 244 and the glide path 264 of the first embodiment 20, respectively. Relative sliding. The third rail body 60 is sleeved between the first sliding portion 443 of the upper arm 44 of the second rail body 40 and the first sliding portion 463 of the lower arm 46. The slide rails 642 and 662 of the third rail body 60 respectively The first sliding portions 443, 463 of the two rail bodies 40 are in surface contact and are relatively slid. In order to reduce the frictional force of the relative sliding between the different bodies, an appropriate amount of lubricating oil may be added or increased in the upper chute 244 and the glide path 264 of the first rail body 20 and the slides 642 and 662 of the third rail body 60. The smoothness of each slide to facilitate relative sliding between the rails. In this embodiment, the first rail body 20 and the second rail body 40, the second rail body 40 and the third rail body 60 are directly in contact with each other by a curved shape, I, .1, Ar /f — ».l · t Α-Λτ t, I, / /.1 « The use of one thief and less thief 沐 沐 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 70 Sliding effort. In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a preferred embodiment of a ball-free slide rail of the present invention. 2 is a perspective assembled view of a preferred embodiment of the ballless slide of the present invention. 099101287 Form No. A0101 Page 9 of 17 0992002538-0 201126073 [0016] FIG. 3 is a cross-sectional view of a preferred embodiment of the ballless slide of the present invention. [Main component symbol description] [0017] First rail body: 20 [0018] Fixing plate: 2 2 [0019] Upper arm: 24, 44, 64 [0020] Connecting portion: 241, 261 [0021] Arm end: 242, 262 [0022] Raised: 243, 263 [0023] Upper chute: 244 [0024] Lower arm: 26, 46, 66 [0025] Glide path: 264 [0026] Second body: 40 [0027] Web : 42 [0028] End: 42 2 [0029] Projection: 424 [0030] Inclined surface: 426 [0031] First bent portion: 442, 462 [0032] Second bent portion: 444, 464 [ 0033] Third bending part: 446, 466 [0034] Fourth bending part: 447, 467 099101287 Form number A0101 Page 10 / Total 17 page 0992002538-0 201126073 [0035] Fifth bending part: 448, 468 [0036] First sliding portion: 443, 463 [0037] Second sliding portion: 445, 465 [0038] Third rail body: 60 [0039] Mounting plate: 62 [0040] Slide: 642, 662 ❹ ❹ 099101287 Form No. A0101 Page 11 of 17 0992002538-0