201022556 六、發明說明： 【發明所屬之技術領域】 曰本發明係一種應用於線性傳動的滾珠螺桿，該係 =、螺帽與滾珠達到傳動的「滚珠螺桿」，尤指係針對螺帽所設置 的刮刷器對螺桿的設置改良設計。 【先前技術】 ⑩動ί螺Γ機械、儀器中常使用一螺桿的轉動帶動-螺帽的老 供—工作檯的設置，以此利用螺桿達到工糊 的精確控制，而螺帽於螺桿上移動時，為了增加移動的順暢、焉 域υ擦力’均會於螺帽及螺桿間的相對螺紋槽設置淺 而螺中目於螺桿上’同時間僅一小段的接觸，多數其餘的螺持 又’均是暴露於外部空财，岭間⑽滿了健與各種異物， «多數的加工場所，環境更是惡劣，還有許多切削屑與加工油 ©水的噴濺，該螺帽與該螺制並非密閉，因均為金屬構件，因此 具有-間_存在’當這錄塵、聽與_祕在螺桿表面時， 相著於轉表面，尤其含有油树，婦瞒物_著累積更 疋驚人，賴著婦的獅與_的_，触附著物並會由間 隙進入螺;^與螺帽間到達滚珠處，進而會干涉滾球的滾動與滾珠 、磨耗最、、會衫響該滾珠螺桿的壽命與精度，因此如何消除該 間隙的存在，防止附著物進入滾珠螺捍内，便有許多結構的設計 因應而生，其t最常賴結構即係第n圖的設計，係一螺桿 201022556 6〇上°又螺帽70，該螺桿60與該螺帽70間並各設有一螺紋槽 61’ 71複數滚珠80係設於該螺紋槽61，71中循環滾動，且該螺 帽70的端部内後處設有-容置槽72，以該容置槽72提供一刮刷 " '^夏’且配合複數的螺絲900鎖設，該刮刷器90係設於 該谷置槽72内，且内周緣設有配合該螺桿60螺紋槽61形狀的刮 刷°卩91 ’該刮刷部91並配合該螺紋槽61以幾乎貼合的方式設置， 使該螺巾目70及該到刷器90於螺桿60上移動時’以該刮刷部91 ❹將該螺彳干60上的附著物刮除，俾避免進入該螺帽7〇内，而該刮 刷。卩91係為消耗品，因此必須能夠更換，該係於容置槽72的周 緣设置魏貫穿螺孔73，以該貫㈣孔73提供該螺絲9⑽鎖設， 而該刮刷器90周緣的對應位置並設有一卡結溝槽92，該螺絲9〇〇 的鎖設係進入該卡結溝槽92内。 别述習知結構使用具有下述的缺失： (―)習知滾珠螺桿具刮刷器9〇結構’除了該螺桿60、螺帽 @ 70及;参珠80基本結構外，該一刮刷器還必須使用複數螺絲 才忐鎖設，結構眾多，具有組裝不易與組裝費時的缺失。 (二）該刮刷器90組裝於該螺帽7〇 —端的位置時，必須以 該卡結溝槽92對正該貫穿螺孔73，再以該螺絲900鎖設，而螺絲 900的鎖設會有因為數量過多，而忘記鎖設的缺失，及具有鎖設鬆 緊控制不良的缺失，當螺絲9〇〇鎖設過緊，會造成該刮刷器9〇受 到擠壓變形，而以内徑該刮刷部91對該螺桿6〇表面產生假性預 壓，此會造成刮刷器90的壽命減短，且會影響該螺帽7〇的移動 201022556 順暢度，而螺絲900鎖設過鬆時，則會造成滾珠螺 刮刷器90容易脫落，進而失去除塵的功效。 該 —、㈢再者，因酬刷器9G組裝於該螺帽％ _端的位 疋，必須以該卡結溝槽92對正該貫穿螺孔73以 鎖設，無法調整該刮刷器90轴向位置 900 繁鎖的對㈣’娜不錢，且物 刮刷部91又對該螺桿60表面產生假性預壓。 " 【發明内容】 欲解決之技術問題點： 目前習知滾珠螺桿之刮刷器，必須使用複數螺絲才能鎖設， 結構多而組裝不易與費時，且獅的使用數量衫，常發生忘記 鎖設的情形，另__設的鬆緊㈣㈣，太鬆或太緊^會 造成該到刷器的脫落失去除塵的功效，及該到刷器的讎變形產 ❹生假性麵等缺失，又該種刮刷器的組設必須進行繁鎖的對牙工 作’具組裝不方便的缺失，此乃欲解決之技術問題點。 解決問題之技術特點： 本發明係提供一種滚珠螺桿，係包括一桿軸、一螺帽、一刮 刷器及固定蓋，其中，該桿軸周緣設有一螺旋狀之滾動溝，該 滾動溝之間財—牙峰，該職設有—供鱗軸穿套之穿孔，該 穿孔内彳二叹有相對該滾動溝且呈螺旋狀設置之滚動槽 ，該滚動槽 201022556 之間具有-科，另該螺帽的端部内徑處設有—容置槽，該螺帽 端部配合該容置槽的位置設有-固定段，該刮刷器係設於該螺帽 的容置槽中’内周緣設有配合該滾動溝與該牙峰㈣刷部，該固 定羞該縣-雜體，顧錢之周緣設有結合段，與該螺帽的 固定段配合結合，顧定蓋並叫__财向設有—限位面， 該固定蓋係將刮刷器限位於财置槽中，以該限位面與該刮刷器 抵觸。 _ 對照先前技術之功效： 本發酿劇桿的主要从乃係在於，該滾珠響的桿轴與 谢冒間的刮刷器設置，僅利用—固定蓋的鎖設，即可達到鎖固與 疋位目的構件的使賊量少，具有組裝料與迅速的優點。 :本發赚珠螺桿的次要改良乃係在於，該卿_固定係以 該固定蓋由側面方向限位’完全不虞影響_顧垂直該桿轴表 ❹面的動作與施力，因此鎖賴鬆緊程度完全是當初預設的鬆緊力 道俾具有防止預壓力的產生與防止該刮刷器的鬆動與掉落缺 失’且除塵效果更佳。 2發赚珠螺桿的另—改良乃係在於，該剩㈣固定僅需 將套叹於轉上，該卿辦與該轉龄全躲，再將該螺帽 由轴向罪近，直接令刮刷器容置入該容置槽中即可，完全不需要 ，可的精確對位行為與過程，就能達到對位精確’組裝不需要繁 鎖的對牙OL作’且該刮刷部更不虞對該轴桿表面產生假性預壓者。 201022556 本發明滾珠螺桿的再一改良乃係在於，該刹刷器的固定不需 要使用任何螺絲的鎖設’因此組裝省時，更無其中螺絲忘記鎖設 的情形發生，更增加產品的出貨品質。 【實施方式】 為使貴審查委員對本發明之目的、特徵及功效能夠有更進 一步之瞭解與認識，以下茲請配合圖式及圖號詳述如后： φ 首先’請由第1、2及3圖所示觀之，該滾珠螺桿係包括： 一桿轴10，周緣設有一螺旋狀之滾動溝U，該滾動溝U之 間具有一牙峰12; 一螺帽20，設有一供該桿軸1〇穿套之穿孔21，該穿孔21内 钇叹有相對該滾動冓11且呈螺旋狀設置之滾動槽22，該滾動槽 22之間具有-牙峰23，該滾動溝u及滾動槽22伽己合形成一負 荷路控A ’另該螺帽20的端部内徑處設有一容置槽24，該螺帽 ❿端部配合該容置槽24的位置還設有一固定段25，該固定段25係 設於該容置槽24 _贿’且_定段25並為螺紋的形態； 複數滚動元件30 ’係位於該負荷路徑A中； 一刮刷器40，係設於該螺帽20的容置槽24中，内周緣設有 配合該滾動溝11與該牙峰23的刮刷部41 ;以及 - m定蓋5〇 ’該係為-環紐’該gj定蓋50之周緣設有結合 段51，該結合段51係、設於該固定蓋5〇之外周緣，而與該螺帽2〇 的固定段25配合結合，該結合段51設成相對於固定段25之螺紋 201022556 結構’該固定蓋50並以相鄰該螺帽2〇方向設有一限位面52，該 固定蓋50係將刮刷器40限位於該容置槽24中，以該限位面52 與該刮刷器40抵觸，俾以該固定蓋5〇限制該刮刷器4〇的位置， 其中，該限位面52的設置係直接設於該固定蓋5〇的内端緣(如第 4圖），抑或於該固定蓋5〇内周緣設一圈凸出的限位凸緣53，該 限位面52設於該限位凸緣53上（如第3圖），以該限位凸緣53及 P艮位面52而與該刮刷器40抵觸’另於該固定蓋5〇外露於該螺帽 _ 2〇之端面上設有複數輔助缺槽54，以該輔助缺槽54的設置俾提 供該固定蓋50配合手工具以旋進該螺帽2〇的該固定段25。 另如第5、6圖所示，該刮刷器40與該固定蓋50的抵觸位置， 及該固定蓋50的限位面52兩相抵觸位置各設有一干涉面 401，521 ’二該干涉面401,521係相互抵觸，以增加該固定蓋5〇201022556 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a ball screw for linear transmission, which is a "ball screw" for which the nut and the nut reach the transmission, especially for the nut. The wiper has an improved design for the screw setting. [Prior Art] 10-turn Γ screw machine, instrument often uses a screw to drive - the old supply of the nut - the setting of the table, so that the screw can be used to achieve precise control of the paste, while the nut moves on the screw In order to increase the smoothness of the movement and the rubbing force of the field, the relative thread grooves between the nut and the screw are set shallow and the screw is on the screw. At the same time, only a short contact is made, and most of the remaining screws are held again. Both are exposed to the outside world, the ridge (10) is full of health and various foreign objects, «most processing places, the environment is even worse, there are many chips and processing oil © water splash, the nut and the screw It is not sealed, because it is a metal component, so it has a - between - presence of 'when this dust, sound and _ secret on the surface of the screw, with the surface of the rotating surface, especially containing oil trees, women and children _ accumulation is even more amazing , depending on the woman's lion and _ _, touch the attachment and will enter the snail from the gap; ^ and the nut reach the ball, which will interfere with the rolling and ball rolling, the most wear, the shirt will ring the ball screw Life and accuracy, so how to eliminate this gap Existence, to prevent attachments from entering the ball screw, there are many structural designs, and the most common structure is the design of the nth figure, which is a screw 201022556 6〇°° and a nut 70, the screw Between the 60 and the nut 70, a threaded groove 61' is formed in each of the plurality of balls 80. The plurality of balls 80 are cyclically rolled in the thread grooves 61, 71, and a receiving groove 72 is provided in the rear end of the nut 70. The squeezing groove 72 is provided with a wiping brush " 'summer' and is matched with a plurality of screws 900. The squeegee 90 is disposed in the valley groove 72, and the inner circumference is provided with the thread of the screw 60. The wiper 91' in the shape of the groove 61' is disposed in such a manner as to fit the thread groove 61 in an almost fitting manner, so that the screw head 70 and the brush 90 are moved on the screw 60. The wiping portion 91 刮 scrapes the attachment on the snail stem 60 to avoid entering the nut 7 , and the wiping brush. The 卩91 is a consumable item, so it must be replaceable. The system is provided with a Wei-through screw hole 73 at the periphery of the accommodating groove 72, and the screw (9) is provided with the screw (9) hole 73, and the peripheral edge of the squeegee 90 is matched. The position is provided with a latching groove 92 into which the locking of the screw 9 is inserted. The use of the conventional structure has the following drawbacks: (-) The conventional ball screw has a squeegee 9 〇 structure 'In addition to the screw 60, the nut@70 and the basic structure of the ginseng 80, the squeegee It is also necessary to use a plurality of screws to lock the lock, and the structure is numerous, and it is difficult to assemble and the assembly is time-consuming. (2) When the wiper 90 is assembled at the position of the end of the nut 7, the through hole 73 must be aligned with the through groove 92, and then locked by the screw 900, and the screw 900 is locked. There will be too many, and the loss of the lock is forgotten, and there is a lack of locking and loose control. When the screw 9 is tightened too tightly, the wiper 9〇 will be crushed and deformed, and the inner diameter will be The wiping portion 91 generates a pseudo preload on the surface of the screw 6 ,, which causes the life of the squeegee 90 to be shortened, and affects the smoothness of the movement of the nut 7 2010 201022556, and the screw 900 is locked too loosely. , it will cause the ball screw squeegee 90 to fall off easily, and thus lose the effect of dust removal. In addition, the third device is assembled in the position of the %_ end of the nut, and the through hole 73 must be locked by the engaging groove 92, and the wiper 90 axis cannot be adjusted. The pair (4) that is cumbersome to the position 900 does not have money, and the scraping portion 91 again produces a pseudo preload on the surface of the screw 60. " [Summary] The technical problem to be solved: At present, the conventional ball screw scraper must be locked with a plurality of screws, the structure is large and the assembly is not easy and time-consuming, and the number of shirts used by the lion often occurs. In the case of setting, the __ set of elastic (four) (four), too loose or too tight ^ will cause the brush to fall off the dust removal effect, and the brush to the deformation of the sputum, such as the false face, and so on The setting of the type of the wiper must be carried out in a complicated work of the tooth work, which is inconvenient to assemble, which is a technical problem to be solved. Technical Problem for Solving the Problem: The present invention provides a ball screw, which comprises a shaft, a nut, a wiper and a fixed cover, wherein a circumference of the shaft is provided with a spiral rolling groove, and the rolling groove Between the money and the tooth peak, the position is provided with a perforation for the sleeve shaft, and the perforation has a rolling groove which is arranged in a spiral shape with respect to the rolling groove, and the rolling groove has a branch between 201022556 And the inner diameter of the end of the nut is provided with a receiving groove, and the end of the nut is matched with the receiving groove to provide a fixing section, and the scraper is disposed in the receiving groove of the nut 'The inner circumference is provided with the rolling groove and the tooth peak (four) brush part, the fixed shame the county-hetero body, Gu Qianzhi has a joint section, which is combined with the fixed section of the nut, Guding cover and called The __ financial direction is provided with a limiting surface, and the fixing cover limits the squeegee to the treasury slot, and the limiting surface is in contact with the squeegee. _ Compared with the effect of the prior art: The main reason of the hair shaft is that the brush shaft of the ball ring and the wiper of the brush are set, and only the lock of the fixed cover can be used to achieve the locking and The component of the target has a small amount of thieves, and has the advantage of assembling materials and being quick. : The secondary improvement of the bead screw of this hair is based on the fact that the fixing _ fixing system is limited by the side direction of the fixed cover, and it does not affect the movement and the force of the vertical surface of the shaft. The degree of tightness is completely preliminarily preset. The elastic force has the function of preventing the occurrence of pre-pressure and preventing the looseness and drop of the wiper, and the dust removal effect is better. The other improvement of the 2 earned bead screw is that the remaining (four) fixed only needs to be sighed and turned, the Qing and the old age are completely hidden, and then the nut is directly sinned by the axis, directly scraping The brush can be placed in the accommodating groove, which is completely unnecessary, and the precise alignment behavior and process can achieve the accurate alignment of the OLT which does not require complicated locking, and the wiping part is more Do not create a false preload on the surface of the shaft. 201022556 A further improvement of the ball screw of the invention is that the fixing of the brake brush does not require the use of any screw locks. Therefore, the assembly is time-saving, and there is no situation in which the screw forgets to lock, and the product is shipped more. quality. [Embodiment] In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following figure and figure number for details: φ First 'please be the first and second As shown in Fig. 3, the ball screw system comprises: a shaft 10 having a spiral rolling groove U at the periphery, a rolling peak 12 between the rolling grooves U; a nut 20 provided with a rod The shaft 1 is pierced by a through hole 21 of the sleeve, and the through hole 21 has a rolling groove 22 which is arranged in a spiral shape with respect to the rolling cymbal 11 and has a tooth peak 23 between the rolling groove 22, and the rolling groove u and the rolling groove 22 伽 合 形成 形成 形成 ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' 螺 螺 螺 螺 螺 螺 螺 螺 螺 螺 螺 伽The fixing section 25 is disposed in the accommodating groove 24 _ bribe _ _ segment 25 and is in the form of a thread; the plurality of rolling elements 30 ′ are located in the load path A; a squeegee 40 is attached to the snail In the accommodating groove 24 of the cap 20, the inner peripheral edge is provided with a wiping portion 41 that fits the rolling groove 11 and the tooth peak 23; and - m fixed cover 5 〇 ' The circumference of the gj fixing cover 50 is provided with a coupling portion 51 which is disposed on the outer periphery of the fixing cover 5〇 and is coupled with the fixing portion 25 of the nut 2〇. The joint portion 51 is disposed with respect to the thread of the fixed portion 25 of the structure 201022556. The fixing cover 50 is provided with a limiting surface 52 adjacent to the nut 2, and the fixing cover 50 limits the wiper 40 to the same. In the accommodating groove 24, the limiting surface 52 is in contact with the squeegee 40, and the position of the squeegee 4 is restricted by the fixing cover 5 ,, wherein the setting of the limiting surface 52 is directly provided to The inner end edge of the fixing cover 5 (as shown in FIG. 4 ) or the inner peripheral edge of the fixing cover 5 is provided with a ring-shaped limiting flange 53 , and the limiting surface 52 is disposed on the limiting flange 53 . Upper (as shown in FIG. 3), the limit flange 53 and the P-position surface 52 are in contact with the wiper 40, and the fixed cover 5 is exposed on the end surface of the nut _ 2〇. The plurality of auxiliary grooving grooves 54 are provided with the fixing yoke 50 in cooperation with the hand tool to screw the fixing portion 25 of the nut 2 以. In addition, as shown in FIGS. 5 and 6, the interference position of the wiper 40 and the fixing cover 50 and the contact surface 52 of the fixing cover 50 are respectively provided with an interference surface 401, 521 '. The faces 401, 521 are in conflict with each other to increase the fixing cover 5〇
對該刮刷器40抵觸後的摩擦力，二該干涉面4〇1，521並為複數細 紋切槽所組成。^ ^ ^ ^ ^ ^ ^ ^ V 〇 另一種實施例，如第7圖所示，該滾珠螺桿係包括： 一桿軸10，周緣設有一螺旋狀之滚動溝u，該滾動溝丨丨之 間具有一牙峰12 ; 一螺帽20，設有一供該桿軸1〇穿套之穿孔21，該穿孔2 徑設有相對該滚動溝11且呈螺旋狀設置之滚動槽22，該滾; 22之間具有一牙蜂23 ’該滾動溝u及滚動槽22係配合形成 201022556 荷路徑A，另該螺帽2〇的端部内徑處設有一容置槽24，該螺帽2〇 端部配合該容置槽24的位置還設有一固定段25A，該固定段25A 係設於該容置槽24的内徑外處，且該固定段25A並為螺紋的形態； 複數滾動元件30，係位於該負荷路徑A中； 一刮刷器40，係設於該螺帽20的容置槽24中，内周緣設有 配合該滾動溝11與該牙峰23的刮刷部41 ;以及 一固定蓋50A，該係為一環狀體，該固定蓋5〇A之周緣設有結 ❹合段51A，該結合段51A係設於該固定蓋50A之内周緣，而與該螺 帽20的固定段25A配合結合，該結合段51A設成相對於固定段25A 之螺紋結構’該固定蓋50A並以相鄰該螺帽20方向設有一限位面 52A ’該固定蓋50A係將刮刷器40限位於該容置槽24中，以該限 位面52A與該刮刷器40抵觸，俾以該固定蓋5〇a限制該刮刷器 的位置，其中’該限位面52A係於該固定蓋50A内周緣設一圈凸 出的限位凸緣53A’以該限位凸緣53A及限位面52A而與該刮刷器 40抵觸。 © 刚述的滾動溝11及滾動槽22螺旋狀旋向方向與該固定段25 或25A及該結合段51或51A相互結合的旋向方向相反，藉此當該 桿軸10轉動帶動該螺帽20前進時，該固定蓋5〇或5〇A係以反作 用力對該螺帽20產生旋緊，俾避免該固定蓋5〇的鬆動。 再由第8圖觀之，該固定蓋50在周緣切設有複數道凹槽阳， 201022556 使該固定蓋周緣形成複數的彈性段56。 如第示’當_定蓋5G的麟合段51設於該固定蓋 50之外周緣’且該固定蓋5〇在周緣切設有複數道凹槽阳形成複 數的彈队56時，s縛性段56接近該凹槽55 _放端，係向外 周緣傾斜-角度，令該彈性段56的傾斜角度對該螺帽2〇鎖設產 生一外擴的張力’俾避免該固定蓋50結合後的鬆動。 ❹ 如第10圖所示’當該固定蓋50A的該結合段51A設於該固定 蓋50A之内周緣，且该固定蓋5〇A在周緣切設有複數道凹槽脱 形成複數的彈性段逼時，該彈性段56A接近該凹槽55a的開放 端，係向簡緣傾斜-聽，令該雜段56的傾斜角度對該螺帽 2G躲產生-往内束緊的力道，俾避免細定蓋罐結合後的鬆 動0 ❹ 壯料财關之結構，彳制下狀賴： (一）本發明的滾珠螺桿該桿軸1〇與螺帽2〇間的刮刷器4〇 設置，僅利用-固定蓋50的鎖設，即可達到鎖固與定位，構件的 使用數量少，具有組裝容易與迅速的優點。 (二）該刮刷器40的固定係以該固定蓋50 _面方向限位， 完全不虞影響該刮刷器40垂直該桿軸1〇表面的動作與施力因 此鎖設的鮮減完全是當初職的齡力道省該娜1〇表面 11 201022556 不虞產生域或太緊的施力’俾具有防止麵力的產生與防止該 刮刷器40的鬆動與掉落缺失，除塵效果更佳。 (三）該到刷器40的固定，僅需將該刮刷器4〇套設於軸桿 10上，該刮刷部41即與該滾動溝π完全對位，再將該螺帽2〇 由轴向靠近，直接令刮刷器4〇容置入該容置槽24中即可，完全 不需要任何的精確對位行為與過程，但該觸部41與該滾動溝^The frictional force after the wiper 40 is in contact with the interference surface 4〇1, 521 is composed of a plurality of fine-grained grooves. ^ ^ ^ ^ ^ ^ ^ ^ ^ V 〇 Another embodiment, as shown in Figure 7, the ball screw system comprises: a shaft 10, the circumference is provided with a spiral rolling groove u, the rolling groove There is a tooth peak 12; a nut 20 is provided with a through hole 21 for the shaft 1 to pass through the sleeve, and the through hole 2 is provided with a rolling groove 22 which is arranged spirally with respect to the rolling groove 11. There is a tooth bee 23 between the 22; the rolling groove u and the rolling groove 22 are matched to form a 201022556 load path A, and the inner diameter of the end of the nut 2 is provided with a receiving groove 24, the nut 2 The fixing portion 25A is disposed at a position outside the inner diameter of the accommodating groove 24, and the fixing portion 25A is in the form of a thread; the plurality of rolling elements 30, is located in the load path A; a wiper 40 is disposed in the receiving groove 24 of the nut 20, the inner periphery is provided with a scraping portion 41 matching the rolling groove 11 and the tooth peak 23; And a fixing cover 50A, which is an annular body, and a peripheral portion of the fixing cover 5A is provided with a knotting portion 51A, and the joint portion 51A is disposed on the inner circumference of the fixing cover 50A, and The fixing portion 25A of the nut 20 is cooperatively coupled, and the coupling portion 51A is disposed with respect to the threaded structure of the fixing portion 25A. The fixing cover 50A is disposed adjacent to the nut 20 and is provided with a limiting surface 52A. The fixing cover 50A The squeegee 40 is limited to the accommodating groove 24, and the limiting surface 52A is in contact with the squeegee 40, and the position of the squeegee is restricted by the fixing cover 5 〇 a, wherein the limit is The surface 52A is provided with a ring-shaped limiting flange 53A' disposed on the inner periphery of the fixing cover 50A, and the limiting flange 53A and the limiting surface 52A are in contact with the wiper 40. The spiral direction of the rolling groove 11 and the rolling groove 22 just described is opposite to the direction of rotation of the fixed section 25 or 25A and the joint section 51 or 51A, whereby the shaft 10 rotates to drive the nut When the vehicle is advanced 20, the fixing cover 5〇 or 5〇A is screwed to the nut 20 by a reaction force to prevent loosening of the fixing cover 5〇. Further, as seen from Fig. 8, the fixing cover 50 is provided with a plurality of grooves on the circumference, and 201022556 forms a plurality of elastic segments 56 around the periphery of the fixing cover. As shown in the above, when the lining section 51 of the _ ing cover 5G is disposed on the outer periphery of the fixed cover 50 and the fixed cover 5 切 is provided with a plurality of grooves on the circumference to form a plurality of corps 56, the shack The segment 56 is close to the groove 55 _ the end is inclined to the outer circumference, so that the inclination angle of the elastic segment 56 creates an outwardly expanding tension on the nut 2 俾 lock 俾 to prevent the fixing cover 50 from being combined After the loose. ❹ As shown in FIG. 10, when the joint portion 51A of the fixing cover 50A is disposed on the inner circumference of the fixing cover 50A, the fixing cover 5A is cut at the periphery with a plurality of grooves to form a plurality of elastic segments. In time, the elastic segment 56A is close to the open end of the groove 55a, and is inclined to the simple edge, so that the inclination angle of the segment 56 can be used to hide the force of the nut 2G. The looseness of the fixed cans is combined with the structure of the sturdy material. The structure of the sturdy material is as follows: (1) The ball screw of the present invention is provided with a scraper 4〇 between the shaft 1〇 and the nut 2〇, only With the locking of the fixing cover 50, the locking and positioning can be achieved, the number of components used is small, and the assembly is easy and rapid. (2) The fixing of the wiper 40 is limited in the direction of the surface of the fixing cover 50, and does not affect the action and the force of the brush 40 perpendicular to the surface of the shaft 1 respectively. When the inaugural age of the province, the Na Na 1 surface 11 201022556 does not produce a field or too tight force '俾 has the ability to prevent the generation of facial force and prevent the scraper 40 from loosening and falling, the dust removal effect is better. (3) The fixing of the brush 40 is only required to be sleeved on the shaft 10, and the wiping portion 41 is completely aligned with the rolling groove π, and the nut 2 is replaced. By axially approaching, the wiper 4 can be directly placed into the accommodating groove 24, and no precise alignment behavior and process are required at all, but the contact portion 41 and the rolling groove ^
對位卻又能夠精確，組裝不需要繁鎖的對牙工作，且制刷部Μ 更不虞對該軸桿10表面產生假性預壓。 貨品質。 (四）該刮刷器40的固定不需要使用任何螺絲的鎖設，因此 組裝省時，更無其中螺絲忘記鎖設的情形發生，更增加產品的出 ❹ 12 201022556 【圖式簡單說明】 第1圖：係本發明的立體組合圖。 第2圖.係本發明的立體分解圖。 第3圖：係本發明的組合剖面圖。 第4圖：係本發明另一實施例的組合剖面圖。 第5圖：係本發明的固定蓋與刮刷器設置干涉面立體八 第6圖：係本發9月固定蓋與刮刷器的抵觸剖面示意圖:圖° ❿第7圖··係本發明又一實施例的組合剖面圖。 第8圖：係本發明固定蓋設置彈性段立體圖。 第9圖··係本發明固定蓋設置彈性段與向外傾斜角度 剖面圖。 林發明n置彈性段與向_斜肖度的分解暨 第11圖.習式結構的立體分解圖。 第12圖.習式結構的組合剖視圖。 【主要元件符號說明】 習式部份：The alignment is accurate, the assembly does not require a complicated pair of teeth work, and the brush portion is less likely to produce a false preload on the surface of the shaft 10. Goods quality. (4) The fixing of the wiper 40 does not require the use of any screw lock, so the assembly is time-saving, and there is no situation in which the screw forgets to lock, and the product is further increased. 12 201022556 [Simple description] 1 is a perspective assembled view of the present invention. Fig. 2 is a perspective exploded view of the present invention. Fig. 3 is a sectional view showing the combination of the present invention. Figure 4 is a sectional view showing a combination of another embodiment of the present invention. Fig. 5 is a perspective view showing the interference surface of the fixed cover and the wiper of the present invention. Fig. 6 is a schematic cross-sectional view of the fixed cover and the wiper of the present invention in the present invention: Fig. 7 is a diagram of the present invention. A combined cross-sectional view of yet another embodiment. Fig. 8 is a perspective view showing the elastic section of the fixing cover of the present invention. Fig. 9 is a cross-sectional view showing the elastic section and the outward inclined angle of the fixing cover of the present invention. The invention invents the decomposition of the elastic section and the oblique viscous cum of the oblique cum. Fig. 11. An exploded perspective view of the conventional structure. Figure 12. A combined cross-sectional view of a conventional structure. [Main component symbol description] Part of the formula:
螺紋槽——61 螺紋槽~~ 貫穿螺孔一73 13 篇I201022556Thread groove - 61 thread groove ~~ through the screw hole 73 13 articles I201022556
刮刷器一 -90 刮刷部一 -91 卡結溝槽一 92 螺絲一一 -900 本發明部份： 桿車由— —10 滾動溝--11 牙峰一一 -12 螺帽— -20 穿孔—— -21 滾動槽一 -22 牙峰-- -23 容置槽一 -24 固定段一 -25 固定段— -25A 滾動元件一 30 刮刷器— -40 干涉面一 -401 刮刷部一- -41 固定蓋一- -50 結合段一 -51 限位面— -52 干涉面一 — 521 限位凸緣一53 輔助缺槽一 54 凹槽--- -55 彈性段一_ -56 固定蓋— -50A 結合段— -51A 限位面— -52A 限位凸緣- —53A 凹槽--- -55A 彈性段一- -56A 負荷路徑- -A 14Scraper One-90 Scratch One-91 Knot Groove One 92 Screw One-900 Part of the Invention: Rod Car - 10 Rolling Ditch - 11 Tooth Peak One-12 Nut - -20 Perforation - -21 Rolling groove - 22 tooth peak - -23 accommodating groove - 24 fixing section - 25 fixing section - -25A rolling element - 30 squeegee - -40 interference surface - 401 squeegee One - -41 fixed cover one - -50 joint section -51 limit surface - -52 interference surface one - 521 limit flange - 53 auxiliary slot - 54 groove - 55 - elastic section - _ -56 Fixed cover - -50A joint section - -51A limit surface - -52A limit flange - 53A groove - 55 - elastic section - -56A load path - -A 14