^62268 九、發明說明： 【發明所屬之技術領域】 本發明係提供一種滾珠螺桿之迴流片定位結構改良， 其主要用途係使滾螺桿之迴流片容衫位及不會位移， 確保迴流片之迴流道與螺帽、螺桿之滾道銜接，進而使滚 珠可順暢的滾動；其主要係於迴流片之—端或兩端設—定^62268 IX. Description of the invention: [Technical field of the invention] The present invention provides an improved reflow sheet positioning structure of a ball screw, the main purpose of which is to make the reflowing sheet of the rolling screw stand and not to displace, and to ensure the reflow sheet The return channel is connected with the nut and the screw raceway, so that the ball can smoothly roll; it is mainly set at the end or both ends of the reflow piece.
位鍵’及於螺帽端面相對於定位鍵處形成—鍵槽，供定位 鍵置入抵靠，再以螺絲或C形環將迴流片固定住，而達到 决速定位迴流片，並使滾珠滚_暢之功效。 【先前技術】 請參閱圖-至圖四所示，其係一種直徑較小之滾 Ϊ迴其滾珠之迴流，並無法於螺帽兩端 ==101設為傾斜之環狀，並與螺桿η 0之内严ϋ 1相對而供滾珠1 2滚動通過，螺帽1 2 ϋ；Γ尺寸相近之迴流片13,該迴流片=丄 道131，各迴流道131係與螺 1 3 1之=二?1與凹槽1 4兩交界銜接，該各迴流道 螺帽中轉動而所示)，使螺桿11得以在 與對庫之迴、、设位移，而螺帽1 0各滾道1 0 1 中不“产=1 3衡接迴流道1 3 1則供滾珠1 2於其 汽片]q 使螺桿1 1得以順暢位移；該習知之迴 與凹槽14間之尺寸相近而定位，在使迴 ，較不易對上㈡:帽上0=滾道101銜接時 1262268 二斤ϊ T造成迴流片1 3與螺麵形成-間隙，如 帽1 〇 η,差影響迴流片1 3喊之路徑出口與螺 中順暢ϋ A 1 ώ ^銜接，滾珠1 2即無在迴流路徑 、畅滾動，而降低運轉效率，且產生噪立。 【發明内容】 ”曰The position key 'and the end face of the nut form a keyway with respect to the positioning key for the positioning key to be placed in abutment, and then the reflow piece is fixed by a screw or a C-shaped ring to reach the speed-recovering reflow piece and roll the ball _ smooth effect. [Prior Art] Please refer to the figure-to-fourth diagram, which is a kind of small-diameter rolling back to the return of the ball, and can not be set to the inclined ring at both ends of the nut ==101, and with the screw η Strictly within 0. 1 Relatively for the ball 12 to roll through, the nut 1 2 ϋ; Γ the reflow piece 13 of similar size, the reflow piece = the ramp 131, each return channel 131 and the screw 1 3 1 = The two-to-one 1 and the groove 14 are connected to each other, and the runners are rotated in the nut to be shown), so that the screw 11 can be displaced in the opposite direction of the library, and the nut 10 has a raceway 10 1 does not "production = 1 3 balances the return channel 1 3 1 for the ball 1 2 in its vane] q to make the screw 1 1 smoothly displaced; the conventional back and groove 14 is similar in size and positioning, in Make it back, it is not easy to get on (2): when the cap is 0=the raceway 101 is connected, 1262268 two pounds ϊ T causes the reflow piece 1 3 and the screw surface to form a gap, such as the cap 1 〇η, the difference affects the path of the reflow piece 1 3 shout The outlet is smoothly connected with the snail A 1 ώ ^, and the ball 12 is not in the return path, rolling smoothly, and the operation efficiency is lowered, and the noise is generated. [Summary] 曰
朴基於上述習知滾珠螺桿之迴流片之缺點，本發明人乃 本者攸事綱產品多年之研發經驗，潛心研究，不斷的設 口十改良’並製作樣品試驗，經反覆的測試，再加以改進， 終有確能達細下發明目的之本發明誕生。 —卩本I明之主要目的，係使滾珠螺桿之迴流片容易 疋位及無絲移，進而達職速定位迴㈣，並使滚珠滾 動順暢之功效。 螺桿發明之改良特徵係在於:螺珠 對於該迴流片處^，=2一凸出定位鍵，而螺帽相 之抵面，供定位 鍵槽絲成兩徑向 件鎖固於抵面而二 係形成-環凹；^㈣p 巾目之軸孔近外側 帽與迴流片將迴⑽阻播；或該螺 固。 i位置係以數螺鎖元件將兩者予以螺 【實施方式】 限 為使貴審麵員H於柄·之人士，對本發明有 更步之瞭解，兹舉—較佳實施例，詳細說明如后：（惟， 本實施纏麵於朗，本㈣日叙實施，財以此為 ，凡以本發日把技雜徵所為之改良實施，皆受本發明 6 Ϊ262268 所拘束）。 請參閱圖五、六所示，其係本發明之第一種實施例， 螺帽2 0係具一轴孔2 5貫通兩端，轴孔2 5之壁面係設 有環狀之滾道22，螺帽20之内壁面設一貫通兩端之凹 槽21而與軸孔2 5連通，凹槽21之一端再設一大於凹 槽21之鍵槽2 3，而使凹槽21兩側形成一抵面2 6、 2 7，該各抵面2 6、2 7係再各設一沉螺孔2 4 (抵面Based on the above-mentioned shortcomings of the reflowing sheet of the conventional ball screw, the inventor is the research and development experience of the product of the syllabus for many years, and has devoted himself to research, and has continuously improved the sample and made sample test, repeated test, and then Improvements, the invention is finally able to achieve the purpose of the invention. - The main purpose of this is to make the reflow piece of the ball screw easy to clamp and no wire, and then to reach the position of the service (4), and to make the ball roll smoothly. The improved feature of the screw invention is that the screw bead is at the position of the reflow piece, and the protrusion of the nut is opposite to the surface, and the nut is positioned to be locked by the two radial members to the surface. Forming a ring-shaped concave; ^(4) p The eyelet hole near the outer side cap and the reflow piece will be back (10) blocked; or the screw is solid. The position of the i is snailed by a number of screw-locking elements. [Embodiment] It is to be understood that the present invention is further understood by the present invention, and the preferred embodiment is described in detail. After: (However, this implementation is entangled in Lang, and this (4) is implemented on a daily basis. This is the use of the technique to improve the implementation of the technique, which is bound by the invention 6 Ϊ 262268). Referring to FIG. 5 and FIG. 6 , which is a first embodiment of the present invention, the nut 20 has a shaft hole 25 extending through the two ends, and the wall surface of the shaft hole 25 is provided with an annular raceway 22 . The inner wall surface of the nut 20 is provided with a groove 21 extending through the two ends to communicate with the shaft hole 25, and one end of the groove 21 is further provided with a key groove 23 larger than the groove 21, so that two sides of the groove 21 are formed. The facing faces 2 6 and 2 7 are respectively provided with a counterbore 2 4 and 2 7
2 7之沉螺孔未視及）；該迴流片3 0之上端面係形成數間 隔排列之迴流道31，迴流片3 0之一端係設一凸出之定 位鍵3 2，該定位鍵3 2之兩端係設有穿孔3 3、3 4， 該迴流片3 0係可置入於螺帽2 〇之凹槽21中，定位鍵 3 2則抵靠於兩抵面2 6、2 7，以定位迴流片3 〇，該 迴流片3 0之各迴流道31並同時與螺帽2 〇之滾道2 2 對正銜接，而該迴流片3 〇係可再以兩螺絲3 5、3 6穿 樞過疋位鍵3 2之兩穿孔3 3、3 4，而各螺鎖固定於抵 面26、27之沉螺孔24，使迴流片30不會徑向、軸 向位移，而可確保確保迴流片3 0之迴流道31與螺帽2 0之滾道2 2銜接，藉上述結構設計，滚賴桿之迴流片 3 0乃可谷易疋位及無法作徑向及軸向位移，進而達到快 速定位迴流# 3 Q，並使滾珠滾朗暢之功效。 j參閱圖七至圖九所示，其係本發明之第 例，本貫施例之螺巾胃2 ◦與迴㈣3 ◦之定位結構^一 7 1262268 f 其係f凸出之定位鍵3 2柢靠於兩柢面2 an而讀’本實施例在防止迴流Μ 3 Q位移之姓檨 Γ:，孔2 5近螺帽2 0外端面處形成-環凹;？ 以凹槽2 8再嵌入一 C形環4〇，而已置入心 之迴流片3⑽受到C形環4 (^之阻擋而無法位^ 、’、同日守確保確保迴流片3 〇之迴流道3 1與螺帽2 〇之滾 道三2*接；請參關十至十二所示，其係本發明之第三 種實=例’本實施例之迴流片3 0與螺帽2⑽之定位丁 亦與前二種實施例相同，其係以凸出之定位鍵3 2抵靠於 峨面2 6、2 7而定位；本實施例在防止迴流片3 〇位 移之結構設計’其係在迴流片3 Q之底面設數沉螺孔3 3 ’而在螺巾胃2 Q外環面姆於該數螺孔3 3處，各設一穿 =29 ’再以螺絲41穿樞過各穿孔29 ’而螺鎖固定於 "u螺孔3 3 ’使迴流片3 〇不會徑向、軸向位移，而可確 保迴流片3 0之迴流道31與螺帽2〇之滾道22銜接； ，明再茶關十二所示，其係本發明迴流片3 〇之第二種 實施例’其係於迴流片3 〇之-側端面設數沉孔3 7，而 定位鍵3 2係-獨立之塊體，其相對於沉孔3 7之端面， 係設數與沉孔3 7相對之凸榫3 8，該各相對之沉孔3 7 與凸榫3 8之尺寸係設為極相近，而可以外力強迫凸棒3 8插置於沉孔3 7巾，而使定位鍵3 2與迴流片3 〇固定 於一體；請再參關十四所示，其係本發明迴流片3 〇之 第三種實施例，其係於迴流片3 k二端面，皆設有數沉 孔3 7，再分別以兩具數凸榫3 8之定位鍵3 2，以外力 1262268 強迫各凸榫3 8插置於相對之沉孔3 7中，而使兩定位鍵 32固定於迴流片3 0之兩端。 綜上所述，本發明實深具實用性及進步性，且經本申 明人遍查國⑽文獻’並無發現相同或近似者，本發明誠 符合專利法上錢發明之蚊，錄法提出申請。 【圖式簡單說明】 圖一係習知滾珠螺桿之剖面示意圖。The end surface of the reflowing sheet 30 is formed with a plurality of spaced-apart return passages 31, and one end of the reflowing sheet 30 is provided with a protruding positioning key 32. The positioning key 3 is provided. The two ends of the two are provided with perforations 3 3, 3 4 , and the reflow piece 30 can be placed in the groove 21 of the nut 2 , and the positioning key 3 2 is abutted against the two faces 2 6 , 2 7 In order to position the reflowing sheet 3 〇, the reflowing tubes 31 of the reflowing sheet 30 are simultaneously aligned with the raceway 2 2 of the nut 2 , and the reflowing sheet 3 can be further replaced by two screws 3 5 , 3 6 is threaded through the two perforations 3 3, 3 4 of the clamping key 3 2, and each screw is fixed to the counterbore hole 24 of the abutting surface 26, 27, so that the reflowing piece 30 is not radially or axially displaced, but Make sure that the return passage 31 of the reflow plate 30 is engaged with the raceway 2 of the nut 20, and with the above structural design, the reflow piece 30 of the rolling rod can be clamped and cannot be displaced radially or axially. In order to achieve rapid positioning and reflow # 3 Q, and make the ball roll smoothly. j is shown in FIG. 7 to FIG. 9 , which is a first example of the present invention. The positioning structure of the stomach 2 ◦ and back ( 4 ) 3 本 of the present embodiment is a 7 1262268 f framing positioning key 3 2柢 柢 柢 柢 柢 柢 an an 读 读 读 读 读 读 读 读 读 读 读 读 读 读 读 读 读 读 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本The C-ring 4〇 is re-embedded by the groove 28, and the reflow piece 3(10) which has been placed in the center is blocked by the C-shaped ring 4 (the block is not able to be located, ', and the same day is ensured to ensure the return flow 3 of the reflow piece 3 1 is connected with the raceway 2 2* of the nut 2; please refer to the third to the 12th, which is the third embodiment of the present invention. The positioning of the reflow piece 30 and the nut 2 (10) of the present embodiment Ding is also the same as the first two embodiments, which are positioned by the protruding positioning keys 3 2 against the kneading surfaces 26, 27; the structural design of the embodiment for preventing the displacement of the reflowing sheet 3 is The bottom surface of the reflowing sheet 3 Q is provided with a plurality of counterbore holes 3 3 ', and the outer ring surface of the screw stomach 2 Q is at the number of screw holes 3 3 , each of which is provided with a punching = 29 ' and then pierced through the perforations with screws 41 29 ' and the screw lock is fixed to the "u screw hole 3 3 ' so that the reflow piece 3 〇 does not radially or axially displaced, and the reflow path 31 of the reflow plate 30 is ensured to be connected to the raceway 22 of the nut 2 ; , shown in Ming Huan Guan 12, which is a second embodiment of the reflowing sheet 3 of the present invention, which is provided on the side surface of the reflow sheet 3 - a number of counterbore 3 7 and a positioning key 3 2 - an independent block, which is relative to the sink The end face of the hole 3 7 is provided with a plurality of protrusions 3 8 opposite to the counterbore 3 7 , and the opposite counterbore 3 7 and the tenon 38 are arranged to be close to each other, and the external force can be used to force the bead 3 8 Inserting the counterbore 3 7 towel, and fixing the positioning key 3 2 and the reflowing sheet 3 ;; please refer to the third embodiment of the reflowing sheet 3 of the present invention, which is shown in FIG. On the two end faces of the reflowing sheet 3 k, a plurality of counterbore 3 7 are provided, and then two positioning keys 3 2 of the three-position convex 榫 3 8 are respectively used, and the external force 1262268 forces the tenons 38 to be inserted in the opposite counterbore 3 7 In the above, the two positioning keys 32 are fixed at both ends of the reflowing sheet 30. In summary, the present invention is practical and progressive, and the same is true or not found by the applicant in the national (10) document. The invention is in accordance with the invention of the mosquitoes in the patent law, and the application method is filed. [Simplified illustration of the drawings] Fig. 1 is a schematic cross-sectional view of a conventional ball screw.
圖一係4知滾珠螺桿之螺帽與迴流片之立體分解圖。 圖三係習知滾珠螺桿之螺帽與迴流片組裝後俯視剖面圖。 圖四係習知滾珠螺桿之螺帽與迴流片組裝後徑向剖面圖。 圖五係本發明第一種實施例之螺帽與迴流片之立體分解圖。 圖六係圖五之立體組裝圖。 " 圖七係本發明第二種實施例之之螺帽與迴流片之立體分解 圖八係圖七之立體組裝圖。 ° 圖九係圖八之剖面示意圖。 圖十係本發明第三種實施例之之螺帽與迴流片之立體分解圖 圖十一係圖十之立體組裝圖。 回 圖十一係圖十一之剖面示意圖。 圖十三係本發明迴流片之第二種實施例。 圖十四係本發明迴流片之第三種實施例。 【主要元件符號說明】 10螺帽 101滾道 102轴孔 1 1螺桿 1 1 1滾道 1 2滾珠 13迴流片 131迴流道 14凹槽 20螺帽 21凹槽 22滾道 2 3鍵槽 24螺孔 2 5轴孔 1262268 2 6才氐面 2 9穿孔 3 2定位鍵 3 5螺絲 3 8 Λ摔 4 2螺絲 2 74氏面 3 0迴流片 3 3沉螺孔 3 6螺絲 4 0C形環 2 8環凹槽 3 1迴流道 3 4穿孔 3 7沉孔 4 1螺絲Figure 1 is a perspective exploded view of the nut and reflow plate of the ball screw. Figure 3 is a top cross-sectional view of a conventional ball screw nut and reflow plate assembled. Figure 4 is a radial cross-sectional view of a conventional ball screw nut and reflow plate assembled. Figure 5 is an exploded perspective view of the nut and the reflow plate of the first embodiment of the present invention. Figure 6 is a three-dimensional assembly diagram of Figure 5. < Figure 7 is a perspective exploded view of a nut and a reflow piece according to a second embodiment of the present invention. ° Figure 9 is a schematic cross-sectional view of Figure 8. Figure 10 is an exploded perspective view of a nut and a reflowing sheet according to a third embodiment of the present invention. Figure 11 is a schematic cross-sectional view of Figure 11. Figure 13 is a second embodiment of the reflowing sheet of the present invention. Figure 14 is a third embodiment of the reflowing sheet of the present invention. [Main component symbol description] 10 nut 101 raceway 102 shaft hole 1 1 screw 1 1 1 raceway 1 2 ball 13 reflow piece 131 return path 14 groove 20 nut 21 groove 22 raceway 2 3 key groove 24 screw hole 2 5 axis hole 1262268 2 6 only face 2 9 perforation 3 2 positioning key 3 5 screw 3 8 Λ fall 4 2 screw 2 74 face 3 0 reflow piece 3 3 sink screw hole 3 6 screw 4 0C ring 2 8 ring Groove 3 1 return channel 3 4 perforation 3 7 counterbore 4 1 screw
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