201233871 六、發明說明： 【發明所屬之技術領域】 本發明係有關於一種非電纜用的金屬繩索。 【先前技術】 金屬繩索常使用於自行車或機車的煞車系統中，可以在使 用者按壓煞車握把時連動煞車夾鉗，使煞車得以正常運作。習 用的金屬触大多是單純料股金屬細_互魏而成，於使 用時常有摩擦力大與柔軟度不足的問題，另外，金屬繩索受力 時會有略微延長的情形，將造成煞車系統的靈敏性降低。 為降低金屬繩索於使用時的摩擦力，曾有us 986,817號 專利案於金制索外纖繞扁平狀_線，然而，此種金屬繩 索的内外4分形狀差異過大，而使外層容易剝離，影響使用 壽命。 3相較於此，另外有US ^別3與us 4,311，觀等專利， 是將金屬繩鎖緊密纏繞，而使外側部分的細織變形，從而獲得 較光滑的外表面，然而，此種金屬繩索於製作時需要使金屬繩 索大幅度地變形’不僅不易製作，也容易損害其機械性質。此 外，以此提供的金屬繩索外表雖然較光滑，卻仍然受到材料與 製作上的限制’無法避免在表面產生細縫或溝紋，而於使用時 仍會產生一定的摩擦。 另方面，有US 4,8〇9,492號專利提供了另一種金屬繩 索’以數股橢圓形的繩線纏繞在内部的繩線外，可使繩索具有 201233871 較平滑的外表，同時減少表面的溝紋，然而’此種繩索内、外 側的繩線之間存在較大的空隙，將使繩索受力的有效面積降 低，而使繩索在受力時容易延長，影響煞車系統的操作性能。 【發明内容】 本發明之主要目的在於提供一種金屬繩索，於受到外力作 用時不易延長，並且於使用時所產生的摩擦力較低。 為達成上述目的，本發明提供一種金屬複合繩索，包括一 股中心繩線與複數股纏繞繩線，該些纏繞繩線繞該中心繩線而 於其周圍排列’該些纏繞繩線由該中心繩線向外依序排列為内 層、中層與外層。該些纏繞繩線依截面尺寸由小到大區分為第 繩線第一繩線、第二繩線與第四繩線，該些纏繞繩線排列 於δ亥中心繩線周圍後繞該中心繩線一同纏繞。 該内層包含至少六股第二繩線，該第二繩線的截面尺寸不 大於該中心繩線的戴面尺寸。 —該中層包含複麵第—鱗與複紐H線，每兩相鄰 的第-繩線之間排列有—第三繩線，該内層第二繩線的數量、 这中層第-繩線的數量與該中層第三繩線的數量彼此相同。 該外層包含複四祕，餅層帛四鴨的數量 於該中層第-繩線的數量與該中層第三繩線的數量的σ 該些第四繩線具有—面向該中心繩線的内表面與 1背離 該中心繩線的外表面’由橫截面觀之，該外表面的曲率小於該 201233871 藉此，本發明可利用外層的第四繩線提供平滑的外表面， 降低使用時產生的摩擦力’同時，各層之間的空隙，尤其是中 。繩線Θ層與中層之間的空隙較小，可抵抗拉力作用，減少 受力延長的情形。 【實施方式】 以下僅以實施例說明本發明可能之實施態樣，然並非用以 限制本發明所欲保護之範疇，合先敘明。 請參考圖1至圖3，本發明提供一種金屬複合繩索丨，是 由多股繩線排顺繞而成，如圖2所示，各股繩線之間 可能於排顺健存有雜，較佳者，於銳金屬複合織索工 時’可利雖大的力量進—倾錄密，而使各股繩線受到擠 壓而略微改變外形，如同us 4,311,〇〇1專利所述，而減少金屬 複合繩索内部的空隙。在本實關巾，金屬複合财中的各個 繩線是單-金，然而，改以多根金屬線相職繞而用以作 為本發明中的任一股或全部的繩、線者，亦無不可。 本心明的金屬複合繩索丨包括有—股中心繩線Η與多股 纏繞繩線’該舰繞繩職巾心繩線u而_於中心繩線^ 周圍’該些纏繞繩線由中心織線U向外依序排列為内層、中 層與外層。該些纏繞繩線依截面尺柏小到大區分為第一繩線 12、第二繩線13、第三繩線14與第四繩線15，較佳者，中心 繩線1卜第-猶12、第二繩線13與第三猶14於纏繞前 或受到擠壓前的截面形狀皆為圓形。 201233871 該内層包括環形排列的多股第二繩線13，該些第二繩線 13的截面尺寸不大於中心繩線u的截面尺寸，使内層包括有 六股或多於六股第二繩線13，可令第二繩線13的截面尺寸小 於中心繩線11 _面尺寸，使各股第二繩線13之間存有間 隙較佳者’該些第一繩線13截面輪靡的半徑不小於該中心 繩線11截面輪料徑的0.8倍，使内層恰由六股第二繩線13 組成。 該中層包括環形排列的多股第一繩線^ …每兩相鄰的第一繩線12之間排列有一股第：7: 第-繩線12與第三繩線14彼此間隔排列，第—繩線η、第 三繩線14的數量皆與内層第二繩線13的數量相同，各自以六 股為佳。較佳者，中心繩線11的截面尺寸與第三崎14 _ 面尺寸相同。該些第三繩線14各自排列對應於每兩相鄰第二 繩線13之削彡成_部，使各股第三觀u與其 繩㈣相鄰，·於兩相鄰第灣14之間的第;; 則與其中一股第二繩線13相鄰。 線 該外層包括環形排列的多股第四繩線15，_ 線的數量相同於該中層中第—鱗12 -畲 量的總和，較佳H㈣4 崎14的數 繩線15排列對應—^ 繩線與第三繩線14之間形成的凹部 的第 相鄰於其中—股第—繩線 &第四笔線 第四猶具有一面μ 、中一股第三繩線…各該 有面向中心繩線的内表面⑸與-背離中心 201233871 繩線的外表面152，爾峨之，_率小於 以内表面⑸的曲率’亦即該外表面152與該内表面⑸相 該外表面152較為平坦，財，以纖面觀之，該此 第四繩線15的外表面152可以為直線，或者如本實施例形成 弧線’並可進一步使該些外表面152相互連接為圓形，本發明 此處所述的橫截面觀點是以金屬複合繩索整體的橫截面觀 之’如同圖2所示’然而，糾第四崎15各自的橫截面觀 之’也會獲得相似的結果。 本發明為供裝配於自行車的煞車系統中使用，除具有一定 的尺寸與結麵度之外’又啸細、較健量者為佳，於具體 的實施方案中，可以將各股繩線製作為以下尺寸： 第一繩線12 :直徑0.17mm ; 第二繩線13 :直徑0.21mm ; 第三繩線14與中心繩線11 :直徑0.24 mm ; 第四繩線15 :最大截面寬度〇.32mm ; 在本發明其他替代的實施方案中，也可以將上述繩線的尺 寸等比例放大或縮小改為其他尺寸無妨。 利用上述結構，本發明的金屬複合繩索1具有較圓滑的外 表，而可降低於使用時所產生的摩擦力，進一步應用於煞車系 統中，當使用者按壓煞車握把時，本發明可減少金屬複合繩索 滑動的阻力，進而將使用者按壓握把的力量直接反應於煞車 器’間接提高煞車系統的靈敏度。 201233871 其次，本發明中的内層與中層緊密地圍繞中心繩線u排 列’可減少本發明中央部分的空隙，尤其可以進一步將各股繩 線擠壓而減少郎:’可於使料齡受力岐長的現象，而能 精綠地將使用者按_車握把的财反應於財器，獲得較佳 的使用效果。 此外，本發明的外層與中層之間具有適當的間隙，使本發 明能受外力伽而㈣地f曲’而可隨自行車或機車的車體任 意角度彎曲，減少於煞料料本發騎產生的阻力，進一步 強化前述的使用效果。 綜上所述，本發明所提供的金屬複合繩索不僅於使用時所 產生的摩擦力較小’更具有較健度、不祕長以及容易弯曲 的特點翻於自行車或機車的絲线中，提高煞車系 統的靈敏度與使用反應效果，實為具有進步之功效，符合本國 專利法規定之專利要件，爰依法提起專利申請，鑑請鈞局早 曰核予專利，實感德便。 【圖式簡單說明】 圖1為本發明之側視圖。 圖2為本發明之剖視圖。 圖3為本發明之立體示意圖。 【主要元件符號說明】 1 .金屬複合繩索 14 :第三繩線 Π ·中心繩線 15 :第四繩線 201233871 12 :第一繩線 13 :第二繩線 151 :内表面 152 :外表面201233871 VI. Description of the Invention: [Technical Field to Be Invented] The present invention relates to a metal cord for non-cables. [Prior Art] Metal ropes are often used in bicycle or locomotive brake systems, and the brake clamps can be interlocked when the user presses the brake grip to allow the brake to operate normally. Most of the metal touches used are simple metal strands _ _ wei, which often have the problem of large friction and insufficient softness. In addition, the metal rope will be slightly extended when subjected to force, which will cause the sensitivity of the brake system. reduce. In order to reduce the friction of the metal rope during use, the patent of the US 986, 817 patent has been wrapped around the flat wire of the gold wire. However, the shape of the inner and outer 4 points of the metal rope is too large, and the outer layer is easily peeled off. Affect life. 3 compared to this, in addition to US ^ 3 and us 4, 311, Guan et al., the metal rope lock is tightly wound, and the outer part of the fine weave deformation, thereby obtaining a smoother outer surface, however, this metal The rope needs to be deformed greatly when the rope is made. It is not only difficult to manufacture, but also easily damages its mechanical properties. In addition, although the metal rope provided by the surface is smooth, it is still limited by materials and production. It is impossible to avoid the occurrence of slits or grooves on the surface, and some friction is generated during use. On the other hand, U.S. Patent No. 4,8,9,492 provides another type of metal rope which is wound around the inner rope by a plurality of elliptical strands which allows the rope to have a smoother appearance of 201233871 while reducing the surface of the groove. However, there is a large gap between the inner and outer ropes of such a rope, which will reduce the effective area of the rope, and the rope is easily extended when subjected to the force, which affects the operation performance of the brake system. SUMMARY OF THE INVENTION A primary object of the present invention is to provide a metal cord which is less prone to elongation when subjected to an external force and which has a low frictional force when used. In order to achieve the above object, the present invention provides a metal composite rope comprising a central rope and a plurality of winding ropes, the winding ropes are arranged around the center rope and surrounded by the winding wires. The strings are arranged outwardly in order of the inner layer, the middle layer and the outer layer. The winding ropes are divided into a first rope line, a second rope line and a fourth rope line according to the sectional size from small to large, and the winding rope lines are arranged around the center line of the 亥海 center and surround the center rope. The lines are entwined together. The inner layer comprises at least six second strands, the second strand having a cross-sectional dimension no greater than the facing dimension of the central strand. - the middle layer comprises a complex scale-scale and a complex H-line, and a third rope line is arranged between each two adjacent first-rope lines, the number of the second-layer ropes of the inner layer, the middle-first rope line The number and the number of the third layer of the middle layer are identical to each other. The outer layer comprises a complex fourth secret, the number of the cake layer four ducks is σ of the number of the middle first rope and the middle third rope. The fourth rope has an inner surface facing the center rope The outer surface of the inner cable is spaced from the outer surface of the centerline, and the curvature of the outer surface is smaller than the 201233871. Thereby, the fourth rope of the outer layer can be used to provide a smooth outer surface and reduce the friction generated during use. Force' at the same time, the gap between the layers, especially in the middle. The gap between the raft layer and the middle layer is small, which can resist the tensile force and reduce the force extension. [Embodiment] The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the present invention. Referring to FIG. 1 to FIG. 3, the present invention provides a metal composite rope raft which is formed by winding a plurality of strands of wire. As shown in FIG. 2, the strands may be staggered between the strands. Preferably, in the sharp metal composite weaving work time, although the force is large, the density is increased, and the strands are squeezed to slightly change the shape, as described in the US 4,311, 〇〇1 patent. The gap inside the metal composite rope is reduced. In the actual customs towel, the metal ropes are single-gold, however, it is used as a rope or thread of any or all of the present invention. Nothing. The core metal composite rope 本 includes a - strand center rope Η and a multi-strand winding rope 'the ship winding rope rope heart rope u and _ around the center rope ^ around the 'the winding rope line by the center weaving The line U is arranged outward in order as the inner layer, the middle layer and the outer layer. The winding ropes are divided into a first rope 12, a second rope 13, a third rope 14 and a fourth rope 15 according to the cross-section of the cypress cymbal, preferably, the central rope 1 Bu-Ju 12. The cross-sectional shape of the second string 13 and the third jug 14 before being wound or before being squeezed are all circular. 201233871 The inner layer comprises a plurality of second strands 13 arranged in a ring shape, the cross-sectional dimensions of the second strands 13 being no more than the cross-sectional dimension of the central strand u, such that the inner layer comprises six or more strands of second strands 13, the cross-sectional dimension of the second string 13 can be made smaller than the size of the center string 11 _ face, so that there is a gap between the second strands 13 of each strand, preferably the radius of the rim of the first strand 13 Not less than 0.8 times the material diameter of the section line of the center rope 11, so that the inner layer is composed of six second strands 13. The middle layer includes a plurality of first strands arranged in a ring shape, and a second strand is arranged between each two adjacent first strands 12: 7: the first-rope line 12 and the third string line 14 are spaced apart from each other, the first The number of the string η and the third string 14 are the same as the number of the second layer 13 of the inner layer, and each of them is preferably six strands. Preferably, the cross-sectional dimension of the center string 11 is the same as the size of the third strip 14 _ plane. Each of the third strings 14 is arranged to correspond to a portion of each of the two adjacent second strings 13 so that each of the third views u is adjacent to the rope (four), and between the two adjacent bays 14 The first; adjacent to one of the second strands 13. The outer layer includes a plurality of fourth strands 15 arranged in a ring shape, the number of _ lines being the same as the sum of the first scales 12 - 畲 in the middle layer, preferably the number H of the four (four) 4 saki 14 is arranged correspondingly - ^ rope The recess formed between the third string 14 and the recessed portion adjacent to the third strand of the fourth strand has a side μ, a middle strand, and a third strand. The inner surface (5) of the wire and the outer surface 152 of the cord away from the center 201233871, the rate of _ is less than the curvature of the inner surface (5), that is, the outer surface 152 and the inner surface (5) are relatively flat. The outer surface 152 of the fourth string 15 may be a straight line, or an arc may be formed as in the present embodiment, and the outer surfaces 152 may be further connected to each other in a circular shape. The cross-sectional view is a cross-sectional view of the metal composite rope as a whole. As shown in Fig. 2, however, the respective cross-sectional views of the four-sevens are also obtained similar results. The invention is used for the brake system assembled on the bicycle, except that it has a certain size and a knot degree, and it is better to be finer and more healthy. In a specific embodiment, the strands can be made. The following dimensions: first rope 12: diameter 0.17 mm; second rope 13: diameter 0.21 mm; third rope 14 and center rope 11: diameter 0.24 mm; fourth rope 15: maximum section width 〇. 32mm; In other alternative embodiments of the present invention, it is also possible to enlarge or reduce the size of the above-mentioned string into other sizes. With the above structure, the metal composite rope 1 of the present invention has a relatively smooth appearance and can be reduced in friction during use, and is further applied to the brake system, and the present invention can reduce the metal when the user presses the brake grip. The resistance of the composite rope sliding, in turn, directly reflects the user's ability to press the grip on the brakes' indirectly to increase the sensitivity of the brake system. 201233871 Secondly, the inner layer and the middle layer in the present invention are closely arranged around the central string u to reduce the gap of the central portion of the present invention, and in particular, the strands can be further pressed to reduce the lang: ' The long-term phenomenon, and the green color of the user can respond to the financial situation of the _ car grip, and obtain better use effect. In addition, the outer layer of the present invention has an appropriate gap between the outer layer and the middle layer, so that the present invention can be flexed by external force (four) and can be bent at any angle with the body of the bicycle or the locomotive, which is reduced by the riding of the material. The resistance further strengthens the aforementioned effects. In summary, the metal composite rope provided by the invention not only has less frictional force when used, but also has the characteristics of being more robust, not secretive and easy to bend, and is turned over in the wire of a bicycle or a locomotive, thereby improving The sensitivity and use effect of the brake system is indeed a progressive effect. It meets the patent requirements stipulated by the national patent law, and the patent application is filed according to law. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view of the present invention. Figure 2 is a cross-sectional view of the present invention. Figure 3 is a perspective view of the present invention. [Main component symbol description] 1. Metal composite rope 14: Third rope Π · Center rope 15: Fourth rope 201233871 12: First rope 13: Second rope 151: Inner surface 152: Exterior surface