‘ M367138 五、新型說明： 【新型所屬之技術領域】 尤指一種自行車之可折疊 本創作係關於一種自行車 車體結構。 【先前技術】 在目前已開始強調環保的時代，燃料動力載具如汽、 機車已被建議以自行車取代或㈣，不僅避免耗費過多地 球資源、也具有維護生活環境、達到運動效果的優點。 為減少放置自行車所佔用之空間、以及顧及可攜帶特 ,，已發展出—種自行車車體可折疊之設計。習知折疊式 自行車結構是設計成前、後㈣直㈣接，然而，在折疊 恶時前、後輪常無法確實對齊並排以進行拖行動作，因 為此時整車車體是呈V型。 15 ^此’有必要針對目前折疊式自行車之折疊結構提出 解決上述問題之方案。 【新型内容】 本創作之主要目的係在提供 兩入 仕扠供種於收摺狀態下確保 _= 便於拖行之自行車車體結構，無須設 2達成上述㈣，本創作之自行車折疊結構包括一第 有二第二弟二桿架、及—銜接桿。上述第-桿架内挖設 谷槽，其延伸至第一桿架之車由端面及側面而分別 3 M367138 形成-第-軸端開口、及一第一側向開口，其中第一軸端 f 口與第-側向開口相連。上述第二桿架内挖設有一第二 合槽’其延伸至第二桿架之轴端面及側面而分別形成一第 二軸端開口、及一第二側向開口，其中第二軸端開口與第 二側向開口相連。 上述銜接桿包括有間隔設置之一第一滑槽、及一第二 ’月槽帛位凸柱突伸於第—容槽内而滑設且枢設於 第-滑槽’-第二限位凸柱突伸於第二容槽内而滑設且樞 2第二滑槽。如此使銜接桿可相對枢料第—轴端開口 與第一側向開口之問、以麻哲_ 及第一軸端開口與第二側向開口 之間。上述第一限位凸柱盘篦_阳a ία 行於自行車之車高方向。 凸柱之樞轉軸線皆平 藉由上述結構，騎乘者可方便地收摺自行車，且收摺 狀態下之前、後輪是並杆而士你&_ 叹指 15 方便拖行者。此外，銜接桿二 滑槽間的區域可供拖行人員抓持。 一 上述第♦旱木、第二桿架分別一 口、與一第四側向開口，匕括4二側向開 _ , . >. ρβ 77 士應於第一側向開口與第 一側向開口，以供銜接桿兩 、弟 J,^^ „ 知刀別穿出，藉此縮小收摺後 車體佔據之空間。上述第_桿架及摺傻 一對限位肋，係於車高方+飞第—桦条可更包括有 晃動。’於車"方向包夹限位銜接桿，避免其上下 自行車折疊結構可更包括_固定组件 端與一第二端’其中第一端軸向固有-第- 選擇式卡固於第二桿架。例如 端’第二端 弟為可為一τ型端且樞 20 M367138 設於第一桿架。 一第第:=可形成有一第一套合部，第二桿架可形成有 相=二 合部與第二套合部尺寸相異而能 相對軸向套合。此外，尺寸較小之套 5 距離處更形成有-止撞凸緣，對應止撐尺寸=套 上述：-限位凸柱可為穿通對應桿架之一銷。銜接桿 了為一可伸縮桿體。 10 15 20 【實施方式】 參考圖圖中示出具有本創作折疊結構之自行車， =由前桿架U、後桿架12及其它各部零件組成，例如前 二f接有一轉向機構21，轉向機構則樞設一前輪 ’後ί干架12則拖設有一後輪2 3。 參考圖13 ®2、3分別為自行車折疊結構分解圖、 、，且裝圖。自行車折疊結構包括前述之前桿架U、後桿架12、 :銜接桿13、以及—固定組件14。銜接桿U是連結於前桿 架^與後桿架12之間’且其上開設有二滑槽i3i，m，係相 距-預定距離。本實施例中前桿_、與後桿架Η皆為矩 形中空管。 刖桿架11靠近銜接桿13之—端挖設有—容槽m，且 容槽m於前桿㈣之轴端面及相對之二側面Uaiib而分 別形成有-軸端開口 112、及相對之二側向開口113，114, 其中軸端開口 112與其中-側向開口 113相連。 5 M367138 在容槽111之槽壁上突伸有一限位凸柱15而延伸於容 槽111中，限位凸柱15更延伸進入銜接桿13之滑槽131中， 形成前桿架11可相對於銜接桿13沿車長方向L滑移、且可 繞限位凸柱15(樞轉軸線XI平行於車高方向⑴旋轉之結 5構。本例中，限位凸枉15是採用一銷穿通前桿架“、及^ 接桿13。 後桿架12與前桿架11類似，同樣於靠近銜接桿13之一 端挖設有一容槽121，且容槽121於後桿架12之軸端面及相 對之二側面12a，1分別形成有一軸端開口 122、及二側向 10開口 123,124 ’其中軸端開口 122與側向開口 ία相連。 後桿架12之容槽121槽壁上亦突伸有一限位凸柱“而 位於容槽121中，限位凸柱16延伸進入銜接桿13之滑槽132 中，形成後桿架12亦可相對於銜接桿13沿車長方向[滑 移、且可繞限位凸柱16(樞轉軸線又2平行於車高方向旋 15轉之結構。本例中，限位凸柱16亦是採用一銷穿通後桿架 12、及銜接桿13。 前桿架11、與後桿架12之端部分別形成尺寸相異之第 一套合部115、與第二套合部125,其中第一套合部115較大 而可於軸向（平行於車長方向L)將第二套合部125套合，並 20且在第二套合部I25距軸端面一預定距離處更形成有一止 擋凸緣126 ’用於止擔尺寸較大之第一套合部115。 上述每一桿架内各設有一對限位肋丨丨6,丨27，係沿車高 方向Η包夾住銜接桿π，用於對銜接桿13限位，使其不致 上下晃動。 M367138 固定組件14包括有一第一端14ι與一第二端142，其中 第一端141呈T字形並樞設於前桿架n，該第二端142為勾 狀並選擇式卡固於凸設於後桿架12表面之嵌夾凸塊24，藉 此將二桿架11，丨2於車長方向^相互連結限位。 5 以下配合圖2並依序參考圖3〜6，圖3〜6為自行車折疊 結構自使用狀態變換至收摺狀態之連續操作示意圖。圖3 顯示折疊結構處於第-狀態，此時前、後桿架11>12相互套 合、且被固定組件14於車長方向[連結限位。 圖4顯不折疊結構處於第二狀態。固定組件14先被轉 10開使其第二端142脫離嵌夾凸塊24，接著拉動前、後桿架 U，12使其各自沿銜接塊13之滑槽131,132移動而脫離卡合 狀態。 15 20 圃增不折疊結構處於第三狀態。前、後桿m架以 各自枢轉軸線Xi，X2被轉冑，呈二桿架u,i2平行之配置。 圖6顯示折疊結構處㈣四狀態。將二桿架u，i2相向 移動使銜接桿13兩端分射過側向開口 114，124。此時為讓 自订車整體呈最小佔據空間之收摺狀態。 舍古H可知’本創作之折疊結構在折錢其前後輪不 …、法緊密亚行之問題，而且兩滑槽131,132之間的 H 供人手握持以方便拖行。此外，透過上述側向開口 佔置’讓銜接桿Π穿過兩開口使得折疊後之整車 {據工間更小，有利於擺放。 上述實施例僅係為了方便說明而舉例而已，本創作所 相利範圍自應以中請專利範圍所述為準，而非僅限 7 M367138 於上述實施例。 【圖式簡單說明】 圖1係本創作一較佳實施例之折疊自行車側視圖。 5圖2係本創作一較佳實施例之自行車折疊結構分解圖。 圖3係本創作一較佳實施例 意圖。 圖4係本創作一較佳實施例 意圖。 10圖5係本創作一較佳實施例 意圖。 圖6係本創作一較佳實施例 意圖。 15【主要元件符號說明】 前桿架11 容槽 111，121 側向開口 113，114, 123，124 限位肋116,127 第二套合部125 銜接桿13 固定組件14 第二端142 轉向機構21 之自行車折疊結構第一狀態示 之自行車折疊結構第二狀態示 之自行車折疊結構第三狀態示 之自行車折疊結構第四狀態示 側面 11a, 11b，12a，12b 軸端開口 112,122 第一套合部115 後桿架12 止擋凸緣126 滑槽 131,132 第一端141 限位凸柱15，16 前輪22 M367138 嵌夾凸塊24 後輪23 樞轉轴線XI,X2‘ M367138 V. New description: [New technical field] Especially for a bicycle foldable This creation is about a bicycle body structure. [Prior Art] In the era when environmental protection has begun to be emphasized, fuel-powered vehicles such as steam and locomotives have been proposed to be replaced by bicycles or (4), which not only avoids the need to spend too much of the ball resources, but also has the advantages of maintaining the living environment and achieving the sporting effect. In order to reduce the space occupied by the bicycle and to take care of the portability, a bicycle body foldable design has been developed. The conventional folding bicycle structure is designed to be connected to the front and rear (four) straight (four). However, the front and rear wheels are often not aligned and arranged for the towing action when folding the evil, because the vehicle body is V-shaped. 15 ^This is necessary to propose a solution to the above problem in view of the folding structure of the current folding bicycle. [New content] The main purpose of this creation is to provide a two-in-one fork for seeding in the folded state to ensure _= easy to tow bicycle body structure, no need to set 2 to achieve the above (four), the bicycle folding structure of this creation includes a There are two second brothers, two poles, and a connecting rod. A groove is formed in the first rod frame, and the vehicle extends to the first rod frame from the end surface and the side surface, respectively, 3 M367138 forms a first-axis end opening, and a first lateral opening, wherein the first shaft end f The mouth is connected to the first-lateral opening. The second rod frame is provided with a second joint groove extending to the shaft end surface and the side surface of the second rod frame to form a second shaft end opening and a second lateral opening, wherein the second shaft end is open Connected to the second lateral opening. The connecting rod includes a first chute having a spacing arrangement, and a second 'moon trough clamping post protruding from the first receiving groove and slidingly disposed at the first chute'-second limit The protrusion protrudes from the second pocket and slides and pivots the second slot. Thus, the connecting rod can be spaced relative to the first axial opening and the first lateral opening, and between the first shaft end opening and the second lateral opening. The first limit stud 篦_阳 a ία is in the high direction of the bicycle. The pivot axis of the stud is flat. With the above structure, the rider can easily fold the bicycle, and the front and rear wheels are in the folded state, and you and the _ sigh 15 are convenient for the towler. In addition, the area between the two chutes of the connecting rod can be gripped by the towler. One of the first ♦ drought wood and the second pole frame respectively has a mouth opening and a fourth lateral opening, and the fourth side is open to the side, and the second side is open to the first lateral opening and the first lateral direction. Opening, for the connecting rod two, brother J, ^^ „ know the knife don’t wear out, so as to reduce the space occupied by the car body after folding. The above-mentioned _ rod frame and the stupid pair of limit ribs are tied to the car height. Fang + Feidi - birch strips can also include shaking. 'In the car' direction of the brackets limit the connecting rod, to avoid the upper and lower bicycle folding structure can further include _ fixed component end and a second end 'the first end shaft The inherent-first-selection is fixed to the second frame. For example, the end 'the second end can be a τ-type end and the pivot 20 M367138 is set on the first frame. A first:= can be formed with a first The sleeve portion, the second rod frame can be formed with a phase=two-part portion and a second sleeve portion that are different in size and can be axially nested. In addition, the sleeve 5 having a smaller size is further formed with a stop-convex convex portion. Edge, corresponding stop size = sleeve above: - The limit stud can be a pin that passes through the corresponding rod frame. The connecting rod is a telescopic rod body. 10 15 20 The bicycle with the present folding structure is shown in the figure. The front frame U, the rear frame 12 and other parts are composed. For example, the front two f is connected with a steering mechanism 21, and the steering mechanism is pivoted with a front wheel. 'The rear dry frame 12 is dragged with a rear wheel 2 3 . Referring to Fig. 13 ® 2, 3 are respectively an exploded view of the bicycle folding structure, and the drawing. The bicycle folding structure includes the aforementioned front frame U, the rear frame 12, The connecting rod 13 and the fixing assembly 14 are connected between the front rod frame and the rear rod frame 12 and are provided with two sliding grooves i3i, m, which are spaced apart by a predetermined distance. The middle front rod _ and the rear rod frame are all rectangular hollow tubes. The mast frame 11 is adjacent to the end of the connecting rod 13 and is provided with a groove m, and the groove m is at the axial end face of the front rod (4) and opposite The two side Uaiibs are respectively formed with a shaft end opening 112 and opposite two lateral openings 113, 114, wherein the shaft end opening 112 is connected to the middle side opening 113. 5 M367138 protrudes from the groove wall of the pocket 111 There is a limiting stud 15 extending in the pocket 111, and the limiting stud 15 extends further into the connecting rod 13 In the groove 131, the front rod frame 11 is formed to be slidable in the vehicle length direction L with respect to the connecting rod 13, and is rotatable around the limit stud 15 (the pivot axis XI is parallel to the vehicle height direction (1). The limit projection 15 is a pin through the front frame ", and ^ the post 13. The rear frame 12 is similar to the front frame 11, and a slot 121 is also dug near one end of the connecting rod 13, and The groove 121 is formed with a shaft end opening 122 and two lateral 10 openings 123, 124' respectively at the axial end surface and the opposite side surfaces 12a, 1 of the rear rod frame 12, wherein the shaft end opening 122 is connected to the lateral opening ία. A limiting protrusion is protruded from the groove 121 of the groove of the rear frame 12 and is located in the groove 121. The limiting protrusion 16 extends into the sliding groove 132 of the connecting rod 13, and the rear frame 12 is formed. Relative to the connecting rod 13 in the direction of the vehicle length [sliding, and can be wound around the limiting stud 16 (the pivoting axis is further parallel to the direction of the vehicle height by 15 turns). In this example, the limiting stud 16 is also adopted. a pin through the rear frame 12 and the connecting rod 13. The front frame 11 and the end of the rear frame 12 respectively form a first sleeve portion 115 and a second sleeve portion 125 of different sizes, wherein the first portion The sleeve portion 115 is large and can be sleeved in the axial direction (parallel to the length L of the vehicle length), and 20 is formed at a predetermined distance from the axial end surface of the second sleeve portion I25. The retaining flange 126' is used for stopping the first sleeve portion 115 having a larger size. Each of the above-mentioned rod brackets is provided with a pair of limiting ribs 丨6, 丨27, which are clamped in the direction of the vehicle height. The rod π is used to limit the connecting rod 13 so as not to sway up and down. The M367138 fixing assembly 14 includes a first end 14 ι and a second end 142, wherein the first end 141 is T-shaped and pivoted. In the front frame n, the second end 142 is hook-shaped and selectively clamped to the clamping protrusion 24 protruding from the surface of the rear frame 12, thereby positioning the two frames 11 and 2 in the direction of the vehicle length ^ Interconnecting the limit position. 5 Referring to FIG. 2 and referring to FIG. 3 to FIG. 6 in sequence, FIG. 3 to FIG. 6 are schematic diagrams showing the continuous operation of the bicycle folding structure changing from the use state to the folding state. FIG. 3 shows that the folded structure is in the first state. At this time, the front and rear rod brackets 11 > 12 are engaged with each other and are fixed by the fixing assembly 14 in the vehicle length direction [connection limit. Fig. 4 shows that the folded structure is in the second state. The fixing assembly 14 is first turned 10 to make it The two ends 142 are disengaged from the inserting lug 24, and then the front and rear rods U, 12 are pulled to move away from the engaging slots 131, 132 of the engaging block 13 to disengage from the engaged state. 15 20 The unfolded structure is in the third state. The front and rear rods m are pivoted with their respective pivot axes Xi and X2, and the two rods u and i2 are arranged in parallel. Figure 6 shows the four-state of the folded structure (four). The two rods u, i2 are moved toward each other to make the joint Both ends of the rod 13 are split through the lateral openings 114, 124. At this time, the custom vehicle has a minimum occupied space.舍古H knows that 'the folding structure of this creation is in the front and rear of the fold, and the method is closely related to the problem, and the H between the two chutes 131, 132 is hand held for easy towing. The lateral opening occupies 'allows the connecting rod to pass through the two openings so that the folded vehicle is smaller according to the work space, which is advantageous for placement. The above embodiments are merely examples for convenience of explanation, and the scope of the creation is advantageous. The present invention is based on the above-mentioned embodiments, and is not limited to 7 M367138. [Simplified Schematic] FIG. 1 is a side view of a folding bicycle of a preferred embodiment of the present invention. 5 is an exploded view of the bicycle folding structure of a preferred embodiment of the present invention. Figure 3 is a schematic representation of a preferred embodiment of the present invention. Figure 4 is an illustration of a preferred embodiment of the present invention. Figure 5 is a schematic representation of a preferred embodiment of the present invention. Figure 6 is an illustration of a preferred embodiment of the present invention. 15 [Description of main components] Front frame 11 slot 111, 121 lateral opening 113, 114, 123, 124 limiting rib 116, 127 second sleeve 125 connecting rod 13 fixing assembly 14 second end 142 steering mechanism 21 Bicycle folding structure first state bicycle folding structure second state bicycle folding structure third state bicycle folding structure fourth state side 11a, 11b, 12a, 12b shaft end opening 112, 122 first set of fittings 115 Rod 12 Stop Flange 126 Chute 131, 132 First End 141 Limit Post 15, 16 Front Wheel 22 M367138 Insert Clamp 24 Rear Wheel 23 Pivot XI, X2