四、創作說明（l)Fourth, the creation instructions (l)
【新型所屬之技術領域J 本創作係有關於一猶箭7 Μ A碰 叉管，且於兩相鄰之下叉管二：：：捉：别是指具有上下 材管料於成型加工後，所a;=又=以鐵 達到強化其剛性1時可承受較大…構，以 先前技術】 自行車運動在歐美相當風行’尤其是登山車 Mountam Blke，簡寫MTB)的出現，它 盡侷限於城市内或城市間的交舌俄 ’、早 人們能接近自然、延伸視野，^ :入山林之間’ 多功能的休閒運動工具。 將簡早的父通工具轉換成 由於自行車主要係以簡單的 接、力量的傳導以及支撐騎乘者之曹j為各部位裝置的銜 管之設計多著重在強度夠，可 =二為此業界於前又 不會有斷裂彎曲的安全顧慮；擊的騎乘之下 ，如此才越省力騎得越快； 判螬車重量越輕越好 擊力等。 無性，可吸震藉以減緩衝 騎乘者於騎乘自行車時， 蕾業下坡賽車，必須具備越野性！!疋騎乘登山車（MTB)或 •相當重要，特別是前上下又管，^因此車架系統的設計 輪之間，主要作為力量的傳筹及2 =於把手立管下方及前 诸下壓之力與來自前輪與地面二:其必需承受由騎乘 結構必具備較佳之強度以 產生之衝擊力，故其 又刀別來自上下之雙重力量； M287279 四、創作說明（2) * ---- 同時，妤的前上下Λ ?々工> i |者之踩踏施力經由該前上的衝擊力以及騎乘 者從中感受到較佳之操控 ti:大的衝擊力，並降低…裂剛 【新型内容】 (所欲解決之技術問題） 業界常使用於卜丁》& 以擠製方式形成胚管則2管之管件材質多為鋁合金管材 鈷孔等加工；另有一丹施予搭接部之焊接、叉腳壓扁 於兩前叉管之間，係作為係將該搭接部以一體成型方式設 度，請參照第九圖至第;2強搭接部與各該前叉管間之強 避震前又管迪管之製^方厂圖，為習知所揭露「一體成型 明專利），其包含下^步去」（國内專利第9 1 1 23843號發 壓成型方式製成一且4 ^（一）成型胚管（8〇):以擠 ，且該管部（81)軸^刑:部（81)與肋部（82)的胚管（80) 前叉廢料··以預定前叉^二容置孔（811);(二）裁切 部（82);(三）彎折成巧2裁，胚管（80)二相反端上的肋 _的部份管部（81)，,二二=官（85):裁下胚管中間端部 使胚管的二相反端朝彳」對;;Ϊ的肋部（82)作為f折部位， 前叉管（85);(四）衝厂<1向轉位至近平行的位置而形成 (85) 的開玫端部壓爲，;前叉勾爪（86”將二前又管 (86) 。 —且再以沖壓成型方式製成勾爪 M287279 四、創作說明（3) 以上述製造方法所製成之前叉外管，使該肋部（8 2 )— 體成型於各該二前叉管（85)，其確實可達到強度較高之功 效；然而，該製造方法所製成之前叉管（85)主要為鋁製材 質擠製出胚管（8 0 )，且預先切削中間部份以形成該肋部 (82)，及預先切削兩尾端之管料以作壓扁加工，則產生相 當之廢料以致成本的浪費（如第十圖切割線部位係為切削 之廢料），再者裁切後之肋部與二前叉管銜接處之強度仍 有加強的空間，故本案創作人運用鐵材管料作為胚管，其 •具有強度較優於鋁製管材之特性，同時配合作一製造加工 上及構造上較佳之改進。 (解決問題之技術手段） 為達前述之功效，本創作所揭露之一體成型之前叉管 結構，係主要以預定長度之鐵材管料，於其中央以一預定 距離作二切口之局部切削，將鐵材管料區分為一第一、第 二、第三區段，並依序經由彎折、擠壓、擴管、打扁等加 工製程所形成之一體成型前叉管，其包含有：二前叉外管 ，係為該第一及第三區段，兩者經彎折後係呈平行對稱狀 ，其上方分別具有一開口，係以擴管製程加工所形成；二 丨,叉叉腳，係分別以打扁加工形成於各該前叉外管下方； 一搭接部，為第二段，係以擠壓加工所形成於各該前叉 外管上方兩相鄰之内側間；藉由上述構件，係為鐵材管料 經上述加工製程成型者，俾能得一較高剛性，且可承受較 大衝擊力之一體成型之前叉管。[New technical field of the J belongs to the Department of Creation, there is a 7-inch A-fork tube, and the two adjacent lower forks 2:::catching: not referring to the upper and lower material pipe material after molding processing, a; = again = with iron to strengthen its rigidity 1 can withstand a large ... structure, according to the prior art] cycling is very popular in Europe and America 'especially the mountain bike Mountam Blke, shorthand MTB), it is limited to the city In the inner or the inter-city of the tongue, the early people can approach the nature, extend the horizon, ^: into the mountain between the 'multi-functional leisure sports tools. Converting the simple father tool into a design that is based on the simple connection of the bicycle, the transmission of power, and the support of the rider. In the past, there will be no safety concerns about the fracture and bending; under the riding, the more laboriously, the faster the ride; the lighter the weight, the better the impact. Asexual, shock-absorbing to reduce buffering. When riding a bicycle, the sneakers must be off-road!疋 riding a mountain bike (MTB) or • is very important, especially before and after the tube, ^ so the design of the frame system between the wheels, mainly as a force for the transmission and 2 = under the handle riser and before and under The force of the pressure comes from the front wheel and the ground 2: it must bear the impact force that the riding structure must have better strength, so it has the double force from the top and bottom; M287279 IV. Creation instructions (2) * -- -- At the same time, the front and the bottom of the Λ Λ 々 々 々 i i i i i i i i i i i i i i i i i 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由[New content] (Technical problems to be solved) The industry often uses Buding" & The formation of the embryo tube by extrusion means that the material of the tube of 2 tubes is mostly processed by the aluminum alloy tube cobalt hole; The welding of the joint portion and the fork foot are flattened between the two front fork tubes, and the lap joint portion is set in an integral manner, please refer to the ninth to the second; the second strong lap joint and each of the front forks Before the strong shock between the pipes, it was also controlled by the D-tube factory. Forming a patent), which includes the next step (the domestic patent No. 9 1 1 23843 is made by a pressure forming method and a 4 ^ (a) shaped blank tube (8 〇): to squeeze, and the tube portion (81) Axis: the embryonic tube (80) of the part (81) and the rib (82), the front fork scrap, the hole for the predetermined front fork, and the second part (811); (2) the cutting part (82) (3) Bending into a skillful cut, part of the tube of the rib on the opposite end of the embryonic tube (80) (81), and 22 = the official (85): cutting the middle end of the embryo to make the embryo The opposite ends of the tube are facing each other; the ribs (82) of the crucible are used as the f-folding portion, the front fork tube (85); (4) the punching plant <1 is indexed to the near parallel position to form (85) The opening end of the opening is pressed; the front fork claw (86" will be second before the tube (86). - and then formed into a claw M287279 by stamping. 4, creation instructions (3) made by the above manufacturing method Forming the front outer tube, so that the ribs (82) are integrally formed on each of the two front fork tubes (85), which can achieve the effect of high strength; however, the manufacturing method is made of the front fork tube ( 85) Extrusion of the embryo tube (80) mainly for aluminum material, and pre-cutting the middle part Forming the rib (82) and pre-cutting the ends of the two ends of the tube for flattening, resulting in considerable waste and cost waste (such as the cutting line in the tenth figure is the cutting waste), and then cutting The strength of the joint between the cut rib and the two front fork tube still has room for reinforcement. Therefore, the creator of this case uses the iron pipe material as the embryo tube, which has the characteristics of being stronger than the aluminum pipe, and at the same time cooperating with one. Improvements in manufacturing and construction. (Technical means to solve the problem) In order to achieve the aforementioned effects, the present invention discloses a fork pipe structure which is mainly formed of a predetermined length of iron pipe material in the center thereof. A predetermined distance is used for partial cutting of the two slits, and the iron material is divided into a first, second, and third sections, and sequentially formed by bending, extruding, expanding, flattening, etc. The integrally formed front fork tube comprises: a second front fork outer tube, wherein the first and third sections are parallel symmetrical after being bent, and each has an opening above the tube for expanding Process processing; second, fork The feet are respectively formed by flattening processing under the outer tubes of the front forks; a lap joint, which is a second section, is formed by extrusion processing between two adjacent inner sides of the outer tubes of the front forks; By the above-mentioned members, the iron pipe material is molded by the above-mentioned processing process, and the ferrule can be obtained with a higher rigidity and can withstand a large impact force before forming the fork pipe.
第7頁 M287279 四、創作說明（4) __________ 由於自行車業盥前7其乂 當純熟的階段，因ο 又&相關領域之技術發展，已達相 部份之技術特徵^ 5於較狹窄之技術領域中，僅能在某小 ，即為具可專利夕父佳改良，如此改善能達到某些功效者 J t創作。 (對S?、先前技術之功效） 構，其Ϊ Ϊ ί :::即在提供-種-體成型之前叉管結 工製程所开成由彎折、擠壓、•管、打扁等加 U本創作之次強度。 鳴，直可右4谨田、P在提供一種一體成型之前叉管結 T。有效運用胚管材料，減少廢料產生，降低製造成 構 型 構 二在提供一種一體成型之前叉管結 表面粗糙等門i ;造成校對偏移、焊接不牢固、變 祖松寺問通，有效提升生產品質。 =作之再一㈣即在#供一種一 所4 了運用於任一造型之異形管材，故其造Sir; 所需作多元性之變化。 < 主」伋旱木 ί實施方式】 _ 首先請參照第一圖至第 體成型之前叉管（2 0 )結構， 、 (切削切口：係以預 其中央以一預定距離作二切 六圖，本創作所提供之一種 其主要依下列步驟所製成： 定長度之一鐵材管料（丨〇 )， 口（11)(12)之局部切削，將 於 該Page 7 M287279 IV. Creation Notes (4) __________ Due to the sturdy stage of the bicycle industry, due to the technological developments in the related fields, the technical features of the phase have been reached. In the technical field, it can only be improved in a certain small, that is, patented, and the improvement can achieve certain functions. (for S?, the efficacy of the prior art), its Ϊ ί ί ::: That is, the fork pipe completion process is completed by bending, squeezing, pipe, flattening, etc. before providing the seed-body molding. U The strength of this creation. Ming, straight to the right 4, Jin Tian, P in the provision of a one-piece forming fork tube knot T. Effective use of the embryo material, reduce the waste generation, reduce the manufacturing structure 2 to provide a kind of rough surface of the fork tube before the integral forming; cause the proofreading offset, the welding is not firm, change the Zusong Temple, effectively improve production quality. = 作 再 再 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( <Main 汲 木 ί 实施 实施 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ One of the works provided by this creation is mainly made according to the following steps: one of the lengths of the iron pipe (丨〇), the partial cutting of the mouth (11) (12), will be
M287279 四、創作說明（5) 鐵材管料（ίο)區分為一第一、第二、第三區段（13)(14) (15)〇 (b) 彎折加工：係將鐵材管料彎折呈门型後，該第一 、第三區段（1 3 )(1 5 )兩者係呈平行對稱狀之二前叉外管 (2 1 );其上方係因該切口（丨丨）（丨2 )彎折後而形成一開口 (2 2 );該第二區段（1 4 )則呈一體成型於各該前叉外間之一 搭接部（2 3 )。 (c) 擠壓加工：將該搭接部（2 3 )施以擠壓加工，使其 形成中空之預定造型管狀，且該搭接部（2 3 )位於各該前叉 ^管（2 1 )兩中心軸線上；一凸部（2 3 1 )，同時形成於該搭 曝部（2 3 )中央部位，該凸部（23 1 )係作為後續穿孔加工之 預留部位。 (d) 擴管加工：將該開口（ 2 2 )作預定造型之擴管加工 〇 卜(e)打扁加工：係將各該前叉外管（2 1 )下方之開放端 施予打扁加工，以分別形成勾爪狀之一前叉叉腳（2 4 )。 ^、藉由上述製造程序，可獲得一體成型之前叉管結構， f系為鐵材管料，其包含有：二前叉外管（2 1 )，兩者係呈平 仃對稱狀，其上方分別具有一開口（ 2 2 );二前叉叉腳（2 4) β係—體成型於各該前叉外管下方；一搭接部（2 3 )，係以 •一體成型方式形成於各該前叉外管（2丨）上方兩相鄰之内侧 严曰 1 · _ ’ 一凸部（2 3 1 )，係一體成型於該搭接部（2 3 )中央部位 -° · 值得一提，如該前叉又腳（2 4 )必須配合一碟煞裝置時M287279 IV. Creation Instructions (5) Iron pipe material (ίο) is divided into a first, second and third section (13) (14) (15) 〇 (b) Bending processing: the iron pipe is After the material is bent into a gate shape, the first and third sections (1 3 ) (15) are two outer fork outer tubes (2 1 ) having parallel symmetry; the upper part is due to the slit (丨)丨) (丨2) forming an opening (2 2 ) after bending; the second section (14) is integrally formed on one of the overlapping portions (2 3 ) of each of the front forks. (c) Extrusion processing: the lap joint (23) is subjected to extrusion processing to form a hollow predetermined tubular shape, and the lap portion (23) is located in each of the front fork tubes (2 1 The two central axes; a convex portion (2 3 1 ) is simultaneously formed at a central portion of the exposed portion (23), and the convex portion (23 1 ) serves as a reserved portion for subsequent punching processing. (d) Pipe expansion processing: expansion of the opening (2 2) into a predetermined shape. (e) Flattening: the open end of each of the front fork outer tubes (2 1 ) is flattened Machining to form a front fork prong (2 4 ), respectively. ^, by the above manufacturing procedure, the integrated fork pipe structure can be obtained, and f is a steel pipe material, which comprises: two front fork outer tubes (2 1 ), which are in a flat symmetrical shape, above Each has an opening (2 2 ); two front fork legs (24) are formed under the outer tube of each of the front forks; and a lap portion (2 3 ) is formed in an integral manner. The two adjacent inner sides of the front fork outer tube (2 丨) are strictly 曰 1 · _ ' a convex portion (2 3 1 ), integrally formed in the central portion of the overlapping portion (2 3 ) - ° is worth mentioning If the front fork and the foot (2 4 ) must be used with a disc device
第9頁 M287279 四、創作說明（6) ，則該前叉叉腳（2 4)須依該碟煞裝置作適當的變化而無法 以打扁加工成形時，可以焊接該前叉叉腳（2 4 )之加工方式 取代。 請參照第七圖至第八圖，係為本創作另一實施例，其 中該搭接部（2 3 )係於步驟（c)擠壓加工時，將其朝預定 側擠壓，使該搭接部（2 3 )偏設於各該前叉外管（2 1 )兩中心 軸線一側。 綜合上述，本創作所提供之一種一體成型之前叉管結 -構，其結構上及使用上有下列特點及功效： 一、 鐵材管料（1 0 )經由上述加工製程成型者，俾能得一較 ^ 高剛性，且可承受較大衝擊力之一體成型之前叉管。 二、 本創作之結構，其各該搭接部及前叉外管銜接部具流 暢之外觀，無毛邊、粗糙之表面或變形之情況產生。 三、 藉由本創作之技術可運用於各類之鐵材或鋁合金管料 ，如圓管、橢圓管、D型管、方管多邊型管、水滴型 管異形管等非圓管内管之前叉管，並組設可相配合之 各式前叉内管，故使用上極具多元造型變化及選擇。 四、 利用各該切口的設計，於彎折後自然形成該開口 ，再 施以步驟（c)之擠壓加工，可有效運用胚管材料， 丨p 減少廢料產生，降低製造成本。 五、 該搭接部係以擠壓加工成形，其係將原較大外徑之管 * 材，擠壓成具預設外型且較小外徑之中空管狀，故具 • 有較高之強度。 六、 該搭接部於步驟（c)擠壓加工成形時，可同時形成Page 9 M287279 IV. Creation instructions (6), the front fork prongs (2 4) shall be welded according to the disc device and cannot be formed by flattening. The front prongs can be welded (2) 4) The processing method is replaced. Please refer to the seventh to eighth figures, which is another embodiment of the present invention, wherein the lap portion (23) is pressed toward the predetermined side during the extrusion process of the step (c), so that the lap is pressed The connecting portion (23) is disposed on one side of the two central axes of each of the front fork outer tubes (2 1 ). In summary, the one-piece front fork tube joint structure provided by the present invention has the following features and functions in terms of structure and use: 1. Iron pipe material (10) can be obtained through the above-mentioned processing process. A fork that is relatively high in rigidity and can withstand a large impact force before forming the body. Second, the structure of the creation, the lap joint and the front fork outer tube joint have a smooth appearance, without burrs, rough surfaces or deformation. Third, the technology of this creation can be applied to all kinds of iron or aluminum alloy pipe materials, such as round pipe, elliptical pipe, D-shaped pipe, square pipe polygonal pipe, water-drop pipe shaped pipe, etc. Tubes, and set up various types of front fork inner tubes that can be matched, so the use of multi-shape changes and choices. 4. Using the design of each slit, the opening is naturally formed after bending, and then the extrusion processing of step (c) is applied, and the embryo material can be effectively used, 丨p reduces waste generation and reduces manufacturing cost. 5. The lap joint is formed by extrusion processing, which is extruded into a hollow tubular tube having a predetermined outer shape and a small outer diameter, so that it has a higher strength. 6. The lap joint may be formed simultaneously in the step (c) extrusion forming
第10頁 M287279 四、創作說明（7) 該凸部，且該搭接部可依所須作輪廓造型上的變化。 11««1 第11頁 M287279 圖式簡單說明 【圖式簡單說明】 第一圖為本創作一較佳 第二圖為本創作一較佳 第三圖為本創作一較佳 第四圖為本創作一較佳 第五圖為本創作一較佳 第六圖為本創作一較佳 第七圖為本創作另一實 第八圖為本創作另一實 1¾九圖為習知結構之製 第十圖為習知結構之裁 第十一圖為習知結構之 【主要元件符號說明】 [本創作] 鐵材管料（1 〇) 切口（ 1 1) (1 2 ) 第一區段（1 3 ) g二區段（1 4 ) 第三區段（1 5 ) 前叉管（20) r前叉外管（21 ) 開口 （22) 實施例之製造流程示意圖。 實施例之施予切削切口加工示意 圖。 實施例之施予彎折加工示意圖。 實施例之施予擠壓加工示意圖。 實施例之施予擴管加工示意圖。 實施例之施予打扁加工示意圖。 施例之平面外觀示意圖一。 施例之平面外觀示意圖二。 造流程示意圖。 切加工示意圖。 平面外觀示意圖。 [習知] 胚管（80) 管部（8 1 ) 容置孔（8 1 1) 肋部（8 2 ) 前叉管（85) 勾爪（8 6 )Page 10 M287279 IV. Creation Instructions (7) The convex part, and the overlapping part can be changed according to the contour. 11««1 Page 11 M287279 Simple description of the drawing [Simple description of the drawing] The first picture is a better second picture of the creation, the third picture is the creation, the fourth picture is the fourth picture Creating a better fifth picture is a better sixth picture of the creation, a better seventh picture of the creation, another eighth picture of the creation, another eighth picture of the creation, another figure of the actual structure, the structure of the conventional structure The tenth figure is the structure of the conventional structure. The eleventh picture shows the structure of the main components. [This creation] Iron pipe (1 〇) Notch (1 1) (1 2 ) The first section (1) 3) g two sections (1 4 ) third section (1 5 ) front fork tube (20) r front fork outer tube (21) opening (22) schematic diagram of the manufacturing process of the embodiment. A schematic view of the cutting incision processing of the embodiment is given. A schematic diagram of the bending process of the embodiment is given. A schematic view of the extrusion process of the embodiment. A schematic diagram of the application of the tube expansion process of the embodiment. The embodiment is given a schematic diagram of the flattening process. Schematic diagram of the planar appearance of the example. Schematic diagram 2 of the plan appearance of the example. Schematic diagram of the process. Schematic diagram of cutting. A schematic view of the plane. [Authentic] Tube (80) Tube (8 1 ) accommodating hole (8 1 1) rib (8 2 ) Front fork tube (85) claw (8 6 )
第12頁 M287279 圖式簡單說明 搭接部（2 3 ) 凸部（2 3 1 ) 前叉又腳（24)Page 12 M287279 Schematic description of the lap joint (2 3 ) convex part (2 3 1 ) front fork and foot (24)