M319349 八、新型說明： 【新型所屬之技術領域】 本創作係’-種滾珠螺帽之循環元件 減少被滚珠磨耗之循環元件。 、 曰種可 【先前技術】 卜柯亍只來咏碌.一^、、口 口―，w、用以將轉 性移動輪出。滾珠螺捍及料螺帽之間具有螺紋槽=、詞 滾珠，且滾珠可與滾珠螺桿、螺帽 曰以各置 低滾珠螺桿與滾珠螺帽之間靖轉動之摩㈣動的關係’以將 端移動至另—端，亦即由滾珠螺帽之一 點，如^賴==件，迴軸紋糟的起 •展TL件的形態有报多 壯 螺帽上，由滾珠螺帽的一側穿入;;域狀恶都是設置於滾珠 處。循環元件呈肴一壬， 或疋设置於滾珠螺帽的端蓋 螺紋槽中捕捉滾珠，或二:=槽合螺紋槽相接，用以由 環元件的導珠槽連接^放置螺紋槽中。舌部則與循 f珠螺帽另1之猶魏道，再方件向釋^入一通 紋槽中。 行田另循％兀件釋放進入螺 本。：:=:多，，出成形，以期增加產率並降低成 或是離開循環元：舌部，入螺紋槽中’在滾珠由舌部進入 長期下來舌却 "對舌部造成衝擊，而對舌部產生磨損。 *又不斷減少’使得滚珠通過時更容易衝撞，並 M319349 使滾珠滾不順暢產生噪音，導致磨損速率更進一步提升，因而 縮紐了塑謬髮猶環元件的壽命，而無法確實達到降低成本的功 效。 【新型内容】 上述所揭露之習知技術，由於滚珠稱不棚，以及滾珠 與迴*官之内壁產生雜，造成循環元件磨耗。有繁於此，本 創作的目的在於提供一種滾珠螺帽及之循環元件，藉以提升循 環元件之耐磨耗度。 為了達成上述目的，本創作係揭露一種滾珠螺帽之循環元 件，用以導引滾珠於-螺紋槽及一循環通道之間滾動。此循環 凡件包含有-第一循環塊、一第二循環塊及一緩衝層。第一循 環塊具有-第-接合面，於第_接合面上形成有—第一凹槽， $通第-接合面之二侧邊。第二循環塊具有一第二接合面，於 第二接合面上形成有一第二凹槽，連通第二接合面之二侧邊。 其中第-循環塊係以第-接合面接合於第二循環塊之第二接 合面’而使第-凹槽與第二凹槽互相結合形成一通道，用以連 接螺紋槽賴觀。麟層設於通道連接職槽之_端，用以 承接滾珠通過，並降低通道前段被磨耗的速度。 根據本創作所揭示之外循氣袞珠螺帽及其循環元件，其功 效在於，將滚珠導引機構及滾珠循環機構結合於單一循環元件 中’透過將循環元件分離為組合式的結構，可使循環元件内部 形成通道，通道並能配合滾珠循環時所需轉換財向，且在通 道設置缓衝層，可以強化通道之機械性能，可以提高滾珠在通 M319349 =之财磨度’以降低摩擦損耗，延長滾珠之使用壽命，以維 持外循環滾珠螺帽之效能。 以下在實施方式中詳細敘述本創作之詳細特徵以及優 妙其内容足以使任繼相關技藝者了解本創作之技術内容 =以實施’且根據本·#所揭露之内容、_請專利範圍及 :，任何蝴目關技藝者可輕易地理解本創作相關之目的及 優點。 【實施方式】 為使對本創作之目的、構造、特徵、及其功能有進一步的 瞭~，將配合貫施例詳細說明如下。 _請參閱「第1圖」與「第2圖」所示，為本創作之-麵 件’應用於一滾珠螺帽1〇〇，其中滾珠螺中冒係呈中空 管狀，用以套設於一滾珠螺桿300，料螺帽1〇〇内週面與滾 _桿300外表面具有連續互相對應之螺紋槽5〇〇，以供複數 滾珠700裝设’並使滾珠7⑻進行迴流循環之動作。 山循環元件200之數目為二，分別對應於滾珠螺帽1〇〇之兩 端’連接螺紋槽5〇〇的-段落，同時連接沿滾珠螺帽勘的軸 向方向開設之循環孔110，用以使滾珠7〇〇藉由循環元件2〇〇 的導引，而載這一段落的螺紋槽500及循環孔11〇持續循環流 動。滾珠螺帽100之外表面並設有二連通於循環孔100之固定 槽120。各固定槽12〇之底部分別具有連通於螺紋槽，之開 21而循環孔110的相對兩端係分別連接於二固定槽12〇。 各循環元件200係為塑性材質所製成，並設於各固定槽 7 M319349 用^連接開孔121及循環孔n〇。循環元件200包含有 弟一循環塊210及第二循環塊22〇，循環元件則系為第一循 環塊2KH系與第二循環塊22〇相互接合而成，並用以導引滾珠 700於循環孔110與螺紋槽500間移動。 「，參閱「第3A圖」、「第3B圖」、「第4A圖」、「第4β圖」 與「第5圖」所示，其中，第一循環塊21〇具有一第一接合面 211 ’於接合面211上形成有一第一凹槽212，此第一凹槽 二/成有轉角，以为別連通弟一接合面之二側邊。同樣 地，第—循環塊22〇具有一第二接合面221，於第二接合面別 ^形成有第二凹槽222，此第二凹槽222係形成有轉角，用以 分別連通接合面221之二侧邊。第一循環塊21〇與第二循環塊 220係以第一、第二接合面、221互相接合，而使第一凹 槽212與第二凹槽222互相結合，以形成通道23〇 (如「第5 圖」所示）。 當循環元件200被置入固定槽120時，此通道23〇恰可連 通循環孔110及開孔121，用以供滾珠700通過，滾珠7⑻而 能於循環孔110及螺紋槽500間循環流動。由於通道23〇的走 向係由接合面211、221的方向所決定，為了使通道23〇的走 向可以與螺紋槽5〇〇相切，以使滾珠7⑻的流動更為順利，因 此接合面211、221也是與螺紋槽5〇〇相切，以使滾珠7〇〇沿 著切線方向進入或是離開螺紋槽5〇〇。 另外’為了使第一循環塊210及第二循環塊220之間便於 組裝結合，第一循環塊210具有二嵌孔213,且第二循環塊220 8M319349 VIII. New description: [New technical field] The creation system is a kind of circulating element of ball cage nut to reduce the cycle components worn by the ball.曰 可 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 Between the ball screw and the material nut, there is a thread groove=, the word ball, and the ball can be used with the ball screw and the nut to set the relationship between the low ball screw and the ball nut. The end moves to the other end, that is, by one point of the ball nut, such as ^ 赖 = = part, the return of the shaft of the stencil, the shape of the TL is reported on the multi-strong nut, by the side of the ball nut Penetrate;; domain-like evils are placed at the ball. The circulating elements are cooked or placed in the end caps of the ball nut to capture the balls, or two: = the grooved groove is connected to be placed in the thread groove by the bead groove of the ring member. The tongue is connected with the other thread of the bead nut, and then the square piece is released into a groove. The field is released into the script by another %. ::=: Many, out of shape, in order to increase the yield and reduce into or leave the loop element: the tongue, into the thread groove, 'in the ball, the tongue enters the tongue for a long time, but the tongue hits the tongue, and Wear on the tongue. * Constantly reducing 'making the ball easier to collide when passing, and the M319349 makes the ball roll unsmooth and produces noise, which leads to a further increase in the wear rate, thus shortening the life of the plastic element and not reducing the cost. efficacy. [New content] The conventional technique disclosed above causes the ball to be worn out due to the fact that the ball is not shed, and the ball and the inner wall of the back are miscible. In view of this, the purpose of this creation is to provide a ball nut and a circulating element for improving the wear resistance of the circulating element. In order to achieve the above object, the present invention discloses a circulating nut of a ball nut for guiding a ball to roll between a thread groove and a circulation passage. The loop contains a first loop block, a second loop block, and a buffer layer. The first circulating block has a --joint surface on which a first groove is formed, and two sides of the first-joint surface are formed. The second circulation block has a second joint surface, and a second groove is formed on the second joint surface to communicate the two side edges of the second joint surface. Wherein the first-cycle block is joined to the second joint surface of the second circulation block by the first joint surface, and the first groove and the second groove are combined with each other to form a passage for connecting the thread groove. The lining is located at the end of the channel connecting trough to take over the ball and reduce the speed at which the front section of the channel is worn. According to the disclosure of the present invention, the air ball bead nut and its circulating element have the effect of combining the ball guiding mechanism and the ball circulation mechanism into a single circulating element 'by separating the circulating element into a combined structure, The channel is formed inside the circulating element, and the channel can match the required conversion direction when the ball is cycled, and the buffer layer is arranged in the channel, the mechanical performance of the channel can be strengthened, and the ball can be improved in the pass M319349 = the friction degree to reduce the friction Loss and extend the life of the ball to maintain the performance of the outer circulation ball nut. The detailed features of the present invention are described in detail below in the embodiments, and the contents thereof are sufficient to enable the relevant artisan to understand the technical content of the present invention, and to implement the contents disclosed by the present invention, and to disclose the scope of the patent and the following: Any eye-catching artist can easily understand the purpose and advantages of this creation. [Embodiment] In order to further improve the purpose, structure, features, and functions of the present invention, a detailed description will be given below. _Please refer to "Fig. 1" and "Fig. 2". The "face piece" of this creation is applied to a ball nut 1〇〇, in which the ball screw is hollow and tubular, and is used for arranging A ball screw 300 has a thread groove 5〇〇 which is continuous with each other on the outer circumferential surface of the material nut 1 and the outer surface of the roller_bar 300 for the plurality of balls 700 to be mounted and to perform the recirculation operation of the balls 7 (8). The number of the mountain circulation elements 200 is two, corresponding to the paragraphs of the two ends of the ball nut 1〇〇 connecting the thread grooves 5〇〇, and connecting the circulation holes 110 opened in the axial direction of the ball nut, for use In order to guide the ball 7 by the circulation element 2, the thread groove 500 and the circulation hole 11 of this paragraph continue to circulate. The outer surface of the ball nut 100 is provided with two fixing grooves 120 communicating with the circulation hole 100. The bottoms of the fixing grooves 12b are respectively connected to the screw grooves, and the opposite ends of the circulation holes 110 are respectively connected to the two fixing grooves 12A. Each of the circulating elements 200 is made of a plastic material, and is disposed in each fixing groove 7 M319349 to connect the opening 121 and the circulating hole n〇. The circulation element 200 includes a first circulation block 210 and a second circulation block 22, and the circulation element is formed by joining the first circulation block 2KH system and the second circulation block 22〇, and is used for guiding the ball 700 to the circulation hole. 110 moves between the thread groove 500. ", see "3A", "3B", "4A", "4β" and "5", wherein the first loop block 21 has a first joint surface 211 A first groove 212 is formed on the joint surface 211. The first groove has a corner/two corners so as to connect the two sides of the joint surface. Similarly, the first circulation block 22 has a second joint surface 221, and the second joint surface is formed with a second groove 222. The second groove 222 is formed with a corner for respectively connecting the joint surface 221 The second side. The first circulation block 21A and the second circulation block 220 are joined to each other by the first and second joint faces 221, and the first groove 212 and the second groove 222 are combined with each other to form a channel 23 (eg, Figure 5). When the circulation element 200 is placed in the fixing groove 120, the passage 23 can be connected to the circulation hole 110 and the opening 121 for the passage of the ball 700, and the ball 7 (8) can circulate between the circulation hole 110 and the thread groove 500. Since the direction of the passage 23〇 is determined by the direction of the joint faces 211, 221, in order to make the direction of the passage 23〇 tangent to the thread groove 5〇〇, so that the flow of the balls 7 (8) is smoother, the joint surface 211, The 221 is also tangential to the threaded groove 5〇〇 so that the ball 7〇〇 enters or exits the threaded groove 5〇〇 in the tangential direction. In addition, in order to facilitate assembly and assembly between the first circulation block 210 and the second circulation block 220, the first circulation block 210 has two insertion holes 213, and the second circulation block 220 8
結合日可’主突出部2b及輔助突出部225可互相接合，並共同 位於循環元件200對應於固定槽12〇底部，並使通道23〇之一 端位於主突出部215之邊緣。因此當循環元件2〇〇被設置於固 M319349 具有一對應於嵌孔213的嵌柱223，各嵌柱 孔213之中，w^ ^ 」刀乃J甘人入甘欠 ψ 〗％、塊21()及第二循環塊220結合為- 孔此L舰塊210亦可設有嵌柱，第二猶環塊220設有嵌 孔，此為相應的凹凸關係，不再贅述。 為了使猶環元件被固定於固定槽12G之中，固定槽 Ζ底部具有二螺孔122，同時第一循環塊加及第二循職 /刀別具有對應的穿孔叫、224，用以供螺絲_穿過而旋 入對應之螺孔122 ’提供捏向的固定力，以將循環元件·固 定於固定槽120中。 此外，弟-循環塊210具有主突出部215，且第二循環塊 也具有輔助突出部225，其中第一凹槽212之-端係對應 於主突出部215之邊緣，且第二凹槽222之一端也對應於辅助 突出部225之邊緣，藉以當第一循環塊210及第二循環塊220 定槽120時’主突出部215及辅助突出部225可共同卡置於開 孔121 ’以對循環元件2〇〇進行切線方向及長軸方向的固定。 同枯可將通道230之一端延伸本體1〇q内部，以使通道23〇 與螺紋槽500連接。 請參閱「第3A圖」、「第3B圖」、「第ό圖」及「第7圖」， 第一循環塊210具有舌部216，係突出於主突出部215，並對 應於通道23的一端，用以深入螺紋槽5〇〇中，以承接滾珠。 9 M319349 當主突出部215與輔助突出部225卡置於開孔121時，且舌部 216係嵌合於滾珠螺桿300之螺紋槽500，使得當滾珠7〇〇到 達循環元件200所在位置時，會被舌部216擋住，不會繼續在 螺紋槽500中前進，而被導引進入通道230。反之，當滾珠7〇〇 由通道230進入螺紋槽500時，由於螺紋槽500的一側被舌部 216阻擋，因此滾珠700可朝向正確的方向移動。The combined main protrusion 2b and the auxiliary protrusion 225 are engageable with each other and are co-located with the circulation element 200 corresponding to the bottom of the fixing groove 12, and one end of the channel 23 is located at the edge of the main protrusion 215. Therefore, when the circulating element 2 is disposed on the solid M319349 and has a stud 223 corresponding to the through hole 213, among the each stud hole 213, the w^^" knife is a sufficiency 〗 〖%, block 21 ( ) and the second circulation block 220 are combined into a hole. The L block 210 may also be provided with a stud, and the second jux block 220 is provided with a through hole, which is a corresponding concave-convex relationship, and will not be described again. In order to fix the U-ring element in the fixing groove 12G, the bottom of the fixing groove has two screw holes 122, and the first circulation block and the second circulation/knife have corresponding perforations, 224 for the screws. The screw hole 122' is inserted into the corresponding screw hole 122' to provide a pinching fixing force to fix the circulating member in the fixing groove 120. In addition, the brother-circular block 210 has a main protrusion 215, and the second loop block also has an auxiliary protrusion 225, wherein the end of the first groove 212 corresponds to the edge of the main protrusion 215, and the second groove 222 One end also corresponds to the edge of the auxiliary protrusion 225, so that when the first circulation block 210 and the second circulation block 220 are grooved 120, the main protrusion 215 and the auxiliary protrusion 225 can be stuck together in the opening 121'. The circulation element 2 is fixed in the tangential direction and the long axis direction. One end of the passage 230 may extend inside the body 1〇q to connect the passage 23〇 with the threaded groove 500. Please refer to "3A", "3B", "D" and "7". The first circulation block 210 has a tongue 216 protruding from the main protrusion 215 and corresponding to the channel 23. One end is used to penetrate into the thread groove 5〇〇 to receive the ball. 9 M319349 When the main protrusion 215 and the auxiliary protrusion 225 are caught in the opening 121, and the tongue 216 is fitted into the thread groove 500 of the ball screw 300, so that when the ball 7〇〇 reaches the position of the circulation element 200, It will be blocked by the tongue 216 and will not continue to advance in the threaded slot 500 and be directed into the channel 230. Conversely, when the ball 7 turns into the thread groove 500 from the passage 230, since one side of the thread groove 500 is blocked by the tongue portion 216, the ball 700 can be moved in the correct direction.
本創作係更包含一緩衝層400，設置於通道230之連接螺 紋槽500之一端，用以直接承接滾珠700。滾珠7〇〇自循環孔 110進入通道230時，係先衝擊緩衝層400再進入通道230。 缓衝層400係位於通道230深入螺紋槽500之一端，位於 該舌部216上，以在循環元件200被設置於固定槽12〇時，緩 衝層400可於舌部216上承接螺紋槽5〇〇。緩衝層4〇〇係為一 鍍於舌部216上方的金屬層，藉此增加通道23〇前段表面的耐 磨性’以降低滚珠700移動時的損耗對於通道23〇前段或是舌 部216的磨損，而提升了循環元件勘的壽命。另外，緩^層 除了可預先製作成獨立元件’以較於通道咖的内壁面 之外，亦可將緩衝層4〇〇的材料，直接披覆於通道挪的内辟 面。 土 請參閱「第8圖」所示，為本創作第二實施例所揭霖之一 f盾環元件勘。於第二實施财，該緩衝層40GA係為—八 屬片’以貼附方式結合於舌部216上方之通道23q。緩衝^ 400A係為單次使用，但 q 組裝者之絲。w此為限。亦可重複，以因應 10 M319349 請參閱「第9圖」所示，本創作第三實施例所揭露之一種 循環元件200。其中第一循環塊210設有一缺口 217，位於通 道230前端，缓衝層400B則呈現舌部形態，以嵌卡、螺鎖或 鉚合等方式來結合於缺口 217，並承接於通道230。 請參閱「第10圖」所示，為本創作第四實施例所揭露之 一種循環元件200。其中緩衝層400C係為一中空管體結構， 並套設於通道230位於舌部216上方之一端，以直接承接滾珠 7〇〇 ’並自中空之緩衝層400C内部適過。須說明的是，緩衝 層400A ' 400B、400C係略伸出於通道230，以在循環元件 2〇〇被設置於固定槽120時，缓衝層4〇〇A、4〇〇B、4〇〇c 一端 可承接於螺紋槽500。 雖然本創作已以前述之實施例揭露如上，然其並非用以限 疋本創作，任何熟習此項技藝者，在不脫離本創作之精神和範 圍内，當可作些許之更動與潤飾，因此本創作之專利保護範圍 須視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 第1圖，本創作第一實施例之組立圖。 第2圖’本創作第一實施例之立體分解圖。 第3A圖與第3B圖，本創作第一實施例循環元件之第一 塊設有緩衝層之不同視角示意圖。 ,第4A圖與第圖，本創作第一實施例循環元件之第二 層之不同視肖示意圖。 少图本創作苐一實施例循環元件中缓衝層位於通道承 11 M319349 接滾珠進入段之立體圖。 第6圖，本創作第—實施例之剖面示意圖。 =7圖’本創作第—實施例之滾珠循環軌跡示意圖。 $ 8圖’本創作第二實施例之滾珠循環軌跡示意圖。 第9圖，本創作第三實施例之滾珠循環執跡示意圖。 第1〇圖，本創作第四實施例之滾珠循環執跡示意圖。 【主要元件符號說明】The creation system further includes a buffer layer 400 disposed at one end of the connecting screw groove 500 of the channel 230 for directly receiving the ball 700. When the ball 7 〇〇 enters the channel 230 from the circulation hole 110, it first impacts the buffer layer 400 and then enters the channel 230. The buffer layer 400 is located at one end of the channel 230 deep into the threaded groove 500, and is located on the tongue 216 so that the buffer layer 400 can receive the thread groove 5 on the tongue 216 when the circulation element 200 is disposed in the fixing groove 12? Hey. The buffer layer 4 is a metal layer plated over the tongue 216, thereby increasing the wear resistance of the front surface of the channel 23 to reduce the loss of movement of the ball 700 for the front portion of the channel 23 or the tongue 216. Wear and improve the life of the cycle components. In addition, the buffer layer may be pre-formed as a separate component to be more than the inner wall surface of the channel coffee, and the material of the buffer layer 4〇〇 may be directly coated on the inner surface of the channel. Earth Please refer to "Figure 8" for the exploration of a f shield ring component of the second embodiment of the creation. In the second implementation, the buffer layer 40GA is attached to the channel 23q above the tongue 216 in an attached manner. Buffer ^ 400A is a single use, but q assembler's silk. w is limited to this. It can also be repeated to respond to 10 M319349. Referring to Fig. 9, a revolving element 200 disclosed in the third embodiment of the present invention. The first circulating block 210 is provided with a notch 217 at the front end of the channel 230. The buffer layer 400B is in the form of a tongue and is coupled to the notch 217 by means of card insertion, screwing or riveting, and is received by the channel 230. Referring to Fig. 10, a loop element 200 disclosed in the fourth embodiment of the present invention is shown. The buffer layer 400C is a hollow tubular structure and is sleeved on one end of the channel 230 at the top of the tongue 216 to directly receive the ball 7〇〇' and fit inside the hollow buffer layer 400C. It should be noted that the buffer layer 400A '400B, 400C slightly protrudes from the channel 230 so that when the circulating element 2 is disposed in the fixing groove 120, the buffer layers 4A, 4B, 4〇 One end of the 〇c can be received in the thread groove 500. Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of patent protection of this creation shall be subject to the definition of the scope of the patent application attached. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram of a first embodiment of the present creation. Fig. 2 is an exploded perspective view showing the first embodiment of the present creation. 3A and 3B, the first block of the circulating element of the first embodiment of the present invention is provided with a different perspective view of the buffer layer. Fig. 4A and Fig. 4 are different perspective views of the second layer of the circulating element of the first embodiment of the present invention. In the embodiment of the cycle element, the buffer layer is located in the perspective view of the channel bearing 11 M319349. Fig. 6 is a schematic cross-sectional view showing the first embodiment of the present invention. Fig. 7 is a schematic view showing the ball circulation trajectory of the present invention. $8Fig. A schematic diagram of the ball circulation trajectory of the second embodiment of the present invention. Fig. 9 is a schematic view showing the ball cycle of the third embodiment of the present invention. Fig. 1 is a schematic view showing the ball cycle of the fourth embodiment of the present invention. [Main component symbol description]
100 本體 110 循環孔 120 固定槽 121 開孑L 122 螺孔 200 循環元件 210 第一循環塊 211 第—接合面 212 第一凹槽 213 嵌孔 214、224 穿孔 215 主突出部 216 舌部 217 缺口 220 第二循環塊 221 第二接合面 12 M319349 222 第二凹槽 223 甘欠柱 225 輔助突出部 230 通道 300 滾珠螺桿 400、 400A、400B、400C 緩衝層 500 螺紋槽 600 螺絲 700 滚珠 13100 body 110 circulation hole 120 fixing groove 121 opening L 122 screw hole 200 circulation element 210 first circulation block 211 first engagement surface 212 first groove 213 insertion hole 214, 224 perforation 215 main protrusion 216 tongue portion 217 notch 220 Second circulation block 221 second joint surface 12 M319349 222 second groove 223 owing column 225 auxiliary protrusion 230 channel 300 ball screw 400, 400A, 400B, 400C buffer layer 500 thread groove 600 screw 700 ball 13