五、新型說明： 【新型所屬之技術領域】 [0001] 本創作係關於自行車，尤指關於自行車可固定於同 一方向行駛之一種定向裝置。 【先前技術】 [0002] 請參閱第6圖所示，一習知構造9，係為本國新型專 利第M326499號專利之「前叉定向固定結構」，其包含： 第一制動器91，包括一圓桿911，一彈簧912，該圓桿 911預定處設一凸緣，該彈簧912套入該圓桿至該ώ緣為 止，致該彈簧912被聲縮後，得施予該圓桿911 一動力；第 二制動器92，包括一圓桿921，一彈簧922 ?該圓桿921 預定處設一凸緣，該彈箐套922入該圓桿至該凸緣為止，致 該彈簧922被壓縮後，得施予該圓桿921 —動力；一上碗93 ，包括一嵌制槽931供以該第一制動器91卡入；一座體94 具設一碗槽941，及互為垂直交錯的第一容置槽942與第 二容置槽942，其中該碗槽941得容置該上碗93，並進一 步設一貫穿孔944及一定位部t945，:又該第一容置槽942 係為該座體94外緣貫穿至碗槽941内緣，且得容置該第一 制動器91，該第二容置槽943係由該座體94底端貫穿至座 體94的頂端，且得容置該第二制動器容置92，又該第二 容置槽943部份貫穿第一容置槽942，其交集部份為所謂 共同區域；藉由上述構件，給予按壓該第一制動器91或第 二制動器92，該第一制動器91與第二制動器92分別得於 該第一容置槽942與第二容置槽943内作動，且第一制動 器91的凸緣與第一制動器91的凸緣在共同區域得互為卡 表單編號A0101 第3頁/共19頁 M410703 摯，致第一制動器91的圓桿嵌入該上碗93的嵌制槽931内 ,及座體94的定位部945卡入前叉95立管951的溝槽952來 達到自行車前叉95定向固定之目的。 【新型内容】 [0003](所欲解決之技術問題） 然，上述習知構造6，騎乘者必須操作第一制動器91 與第二制動器92，才能達到自行車前叉95定向固定之目 的，相當地不方便，亦影響其行車安全。 (解決問題之技術手段） 本創作人有鑑於此，乃憑恃著長期對自行車的定向 裝置的研究與構思，而創作出一種自行車前又定向裝置 ，係包含：一套蓋，係設有垂向的一穿孔，又該穿孔的内 緣設一凸塊；其整體套設於車體的前叉管對應處，致其 能隨前叉管連動旋轉；一旋鈕，係設於套蓋的一側端， 又該旋鈕最主要驅動定位柱；一定位柱，係設於套蓋本 體内部且受旋鈕驅動，致能卡合於車體豎管上的嵌合片 ;及一嵌合片，係固設於豎管的頂端外緣，不會隨前叉 管連動，但與定位柱對應； 其中，該定位柱的後方設有一彈簧；且該旋鈕的前 端設有一傳動螺桿，與設於定位柱外部的一座體接設， 又其中該座體的内部設有至少一嵌部，該嵌部卡合於旋 鈕的傳動螺桿；及該旋鈕的内側端面設有半圓的一滑槽 ，該滑槽係對應套蓋所設的一凸點；另，該旋鈕設有「 開」及「關」或「OPEN」及「LOCK」的標示。 本創作亦可為另一態樣，係包含一套蓋，係設有垂 表單編號A0101 第4頁/共19頁 M410703 向的一穿孔，又該穿孔的内緣設至少一凹槽；其整體套 設於車體的前叉管對應處，致其能隨前叉管連動旋轉； 一墊塊，係於其底下端定應套蓋的凹槽設有一卡合部， 且在其頂上端對應把手橫管的剖溝設有一立柱；一旋鈕 ，係設於套蓋的一側端，又該旋鈕最主要驅動定位柱； 一定位柱，係設於套蓋本體内部且受旋鈕驅動，致能卡 合於車體豎管上的嵌合片；及一嵌合片，係固設於豎管 的頂端外緣，不會隨前叉管連動，但與定位柱對應； 本創作的主要目的：在於提供操作簡便之一種自行 車前叉定向裝置。 本創作的次要目的：在於提锯簡化構件之一種自行 車前叉定向裝置。 w .. 本創作的另一目的：在於提供適用有螺牙前叉及無 螺牙前叉等車種之一種自行車前又定向裝置。 (對照先前技術之功效） 茲由以上說明得知，本創作相較先前技術，確可達到如 下之功效： 1、 本創作的旋鈕設於自行車車體前叉處的後方，且 該旋鈕設有「開」及「關」或「OPEN」及「LOCK」及箭 頭方向的標示，讓騎乘者一目了然；又該旋鈕離騎乘者 的手部較近，因此可較方便、容易且快速地操作。 2、 本創作僅由旋鈕、座體、彈簧、定位柱及嵌合片 所構成，以較少的構成元件就可達到自行車前叉定向行 駛之效果，使製造及組配簡便而快速。 3、 本創作善用墊塊結構，以利於適用有螺牙前叉及 無螺牙前叉等車種，增進本創作產品的運用性。 表單编號A0101 第5頁/共19頁 M410703 【實施方式】 [0004] 首先，請參閱第1圖至第3圖所示者，係為本創作關 於一種自行車前叉定向裝置，係包含：一套蓋1、一旋鈕2 、一定位柱3及一嵌合片4 ;其中， 請參閱第1圖所示，該套蓋1，係具水滴狀的一本體 10且橫截面呈门狀，而在該水滴狀較大面積處設有垂直 向的一穿孔11，又該穿孔Ϊ1的内緣對應自行車前叉管61 的剖槽611設一凸塊111 ;將其整體套設於自行車的車體 的有螺牙的前叉6的前叉管61對應處，且本體10的水滴狀 尖部朝内（亦即朝騎乘者），致其能隨有螺牙的前叉6的連 動旋轉；另該套蓋1的下方螺固有一容置塊13，且該容置 塊13係位於套蓋1的結合孔12與穿孔11之間，又該容置塊 13設有水平貫穿的一容室131，該容室13Ϊ與結合孔11呈 貫通狀，得以容納旋鈕2的傳動螺桿21及定位柱3 ;而本 體1 0的水滴狀尖部的端面設有一結合孔12係供旋鈕2框設 ，又在該結合孔12的入口處下方設有一凸點121，該凸點 121得與旋鈕2的半圓狀的滑槽22對應配合； 請參閱第2圖所示，該旋鈕2，係包含一 E字鈕20、一 管體24、一傳動螺桿21 ;其中傳動螺桿21的前半段與管 體24穿入容置塊13的容室13内部，又該傳動螺桿21的前 半段設有一外螺紋211 ，且與定位柱3所設的一座體31 接設，又座體31固設有至少一橫凸柱34卡合於該外螺紋 211 ;而傳動螺桿21的後半段則穿入套蓋1的結合孔12 後再與E字鈕20透過一螺絲25固接，以致該E字鈕20得與 在位於容置塊13内的管體24的内部的傳動螺桿21 —起連 動旋轉，以驅動定位柱3水平移動；另在該E字鈕20設有 表單編號A0101 第6頁/共19頁 M410703 一標示23，該標示可以是「開」及「關」或「OPEN」及 「LOCK」及箭頭方向的圖案，又該E字鈕20與套蓋1對應 的一端面設有一半圓狀的滑槽22得與套蓋1的結合孔12的 入口處的凸點121對應配合； 請參閱第3圖所示，該定位柱3，係包含一座體31、 一定位桿32及一彈簧33 ;其中該座體31係為中空階級 312管狀，其與旋鈕2的傳動螺桿21前半段所設的一内槽 212形成容置空間以容置該定位桿32及一彈簧33 ;而定位 桿32則具一凸緣321的桿體，再將其末端與彈簧33據以裝 設於前述的容置空間，而讓定位桿32隨時與座體31保持 露出的狀態；特別一提，該座體31的方型谈部311與容 - > 置塊13的容室131最内侧對應配合，最主要在提供座體31 的定位，以防止其與旋鈕2 —起連動旋轉；因此，該定位 柱3最主要提供能卡合於車體豎管7上的嵌合片4 ;及 請參閱第1圖所示，該嵌合片4，係固設於豎管7的頂 端外緣且靠近自行車内側（亦即靠近騎乘者），不會隨有 螺牙的前叉6連動旋轉，且位於其上的卡槽41得與定位 柱3的定位桿32對應配合。 因此，一般自行車的轉向機構係由有螺牙的前叉6的 底端樞設一前輪，其前叉管61與車體的豎管7樞接後，再 以把手橫管8固接於該前又管61的頂上端，然後騎乘者藉 操控把手以帶動前輪轉向，便可達到自行車轉彎之目的 :而本創作藉由上述元件的構成，在組配自行車的情況 下，先將嵌合片4以焊接方式固設於車體豎管7的的頂端 外緣且靠近自行車内側（亦即靠近騎乘者），然後有螺牙 的前叉6的前又管61由下而上穿設於車體的豎管7，在將 表單編號A0101 第7頁/共19頁 M410703 已結合為一的套蓋1、旋鈕2、定位柱3結合整體由前叉管 61的上方套設於前又管61，此時特別須將套蓋1的凸塊 111對準前叉管61的剖槽611 (有螺牙的前叉6係設有該剖 槽611)，方可將本創作的旋鈕2朝車體内部（亦即靠近騎 乘者），接著再將把手橫管8固設於有螺牙的前叉6的前叉 管61且壓抵住本創作的套蓋1，同時本創作將隨有螺牙的 前叉6的轉向轉動而一起連動旋轉。 請參閱第4圖所示，由於本創作的旋鈕2係朝車體内 部（亦即靠近騎乘者），有利於其乘者的方便、容易且快 速地操作；是故，本創作的旋鈕2在非鎖定的狀態下，其 E字鈕20的「開」或「OPEN j的標示23朝上，讓騎乘者 的視線稍往下就可看得一清二楚E字紐20的S前狀態；又 該E字鈕20半圓狀的滑槽22得與套蓋1的結合孔12的入口 處的凸點121對應配合，若以第4圖所示者則為旋鈕2處於 開（或OPEN)的狀態，此時騎乘者若要定向行駛，則須將E 字鈕20順時針翻轉180度，則換成「關」或「LOCK」的 標示23朝上，亦可讓騎乘者的視線稍往下就可看得一清 二楚E字鈕20的目前狀態；另在套蓋1的頂上端亦設有「 開」及「關」或「OPEN」及「LOCK」及搭配一雙向箭頭 的標示14，可讓騎乘者了解操作E字鈕20於順時針翻轉 180度則將自行車處於定向行駛狀態；若操作E字鈕20於 逆時針翻轉180度將自行車處於解開自行車定向行駛狀態 〇 請參閱第1圖及第3圖所示，又若，騎乘者可隨時定 向操作本創作的裝置，包含該自行車的直線行駛，及自 行車正在轉彎中的情況下；若該自行車直線的行駛的情 表單編號A0101 第8頁/共19頁 M410703 況下，騎乘者操作E字鈕20於自行車的定向行駛，則該E 字鈕20透過傳動螺桿21傳動座體31而將定位柱3向前移動 ，使定位桿32前端直接卡合於位於車體豎管7上的嵌合片 4 ;若在自行車轉彎的行駛的情況下，騎乘者操作E字鈕 20於自行車的定向行駛，則該E字鈕20透過傳動螺桿21傳 動座體31而將定位柱3向前移動，使定位桿32前端尚未卡 合於位於車體豎管7上的嵌合片4，但此時狀態係處於等 待卡合狀態，當該輛自行車恢復直線行駛時，定位桿32 就會卡合於位於車體豎管7上的嵌合片4，而往後就處定 向行駛的狀態下。 請參閱第5圖所示者，為本創的另一實施例，其係適 ' / - 用於無螺牙的前叉6a狀況，使前述的較佳實施例無法卡 合於無螺牙的前叉6a的前叉管61a ;因此，'在此狀況下， 該套蓋1穿孔11就不再設有凸塊111但設有凹槽15，且須 在該套蓋1的頂上端設有一墊塊5，而其餘元件與較佳實 施例相同；又其中該墊塊5為環狀旦位於該套蓋1及把手 橫管8之間，亦即受該把手橫管8的壓抵，其再壓抵套蓋1 ;同時，該墊塊5的下底端對詹套蓋1的凹槽15設有一卡 合部51，又墊塊5的頂上端對應把手橫管8剖溝81設有一 立柱52，當該墊塊5配合套蓋1、旋鈕2、定位柱3、嵌合 片4而一同設於螺牙的前又6a及其前又管61a，如此便可 使本創的另一實施例卡合於無螺牙的前叉6a的前叉管61a ，致兩者可連動旋轉，以達成無螺牙的前叉6a的定向調 整，使該輛自行車產生定向行駛的效果；換言之，本創 的另一實施例所產生的功能與本創作的較佳實施例皆相 同。 表單編號A0101 第9頁/共19頁 M410703 综合以上所述，各實施例亦可省略嵌合片4，運用定 位桿32抵住豎桿7之間的摩擦力亦可達到自行車前叉定向 行駛之效果者。本創作的所構成結構之各實施例未曾見 於書刊或公開使用，誠符合新型專利申請要件，懇請鈞 局明鑑，早曰准予專利，至為感禱；需陳明者，以上所 述乃是本創作之具體實施立即所運用之技術原理，若依 本創作之構想所作之改變，其所產生之功能作用仍未超 出說明書及圖式所涵蓋之精神時，均應在本創作之範圍 内，合予陳明。 【圖式簡單說明】 [0005] 第1圖：為本創作較佳實施例之立體外觀圖。 第2圖：為本創作較佳實施例之分解圖。 ·· ·· ... 第3圖：為本創作較佳實施例之平面縱到面圖。 第4圖：為本創作較佳實施例之平面橫剖面圖。 第5圖：為本創作另一實施例之立體外觀圖。 第6圖：為習知結構圖。 【主要元件符號說明】 [0006] 「本創作」 套蓋1 本體10 穿孔11 凸塊111 結合孔12 凸點121 容置塊13 容室131 標示14 凹槽1 5 旋鈕2 E字鈕20 傳動螺桿21 外螺紋211 第10頁/共19頁 表單編號A0101 M410703V. New description: [New technical field] [0001] This creation is about bicycles, especially an orientation device in which bicycles can be fixed in the same direction. [Previous Art] [0002] Referring to Figure 6, a conventional structure 9 is a "front fork directional fixed structure" of the domestic patent No. M326499, which includes: a first brake 91 including a round rod 911, a spring 912, the round rod 911 is predetermined to have a flange, the spring 912 is inserted into the round rod to the rim, so that the spring 912 is squeezed, and the round rod 911 is given a power; The second brake 92 includes a round rod 921, a spring 922. The round rod 921 is predetermined to have a flange, and the magazine sleeve 922 is inserted into the round rod to the flange, so that the spring 922 is compressed. The round rod 921 is powered; an upper bowl 93 includes an inlay groove 931 for the first brake 91 to be engaged; the body 94 has a bowl groove 941 and a first receiving groove vertically interlaced with each other. 942 and a second accommodating groove 942, wherein the bowl 941 is configured to receive the upper bowl 93, and further has a permanent through hole 944 and a positioning portion t945, and the first accommodating groove 942 is outside the seat body 94. The edge penetrates to the inner edge of the bowl 941 and accommodates the first brake 91. The second receiving groove 943 is connected to the bottom end of the base 94. And the second receiving groove 943 partially penetrates the first receiving groove 942, and the intersection portion is a so-called common area; The first brake 91 and the second brake 92 are respectively actuated in the first accommodating groove 942 and the second accommodating groove 943, and the first brake 91 is The flange and the flange of the first brake 91 are mutually in the common area of the card form number A0101, page 3 of 19, M410703, so that the round rod of the first brake 91 is embedded in the recessed groove 931 of the upper bowl 93, The positioning portion 945 of the seat body 94 is engaged with the groove 952 of the front fork 95 riser 951 to achieve the purpose of directional fixing of the bicycle front fork 95. [New Content] [0003] (Technical Problem to be Solved) However, in the above-described conventional configuration 6, the rider must operate the first brake 91 and the second brake 92 in order to achieve the purpose of fixing the bicycle front fork 95, which is equivalent. The inconvenience of the land also affects the safety of its driving. (Technical means to solve the problem) The present inventors have created a bicycle front and orientation device based on the long-term research and conception of the bicycle orientation device, which includes: a set of covers, with vertical a perforation, and a convex block is arranged on the inner edge of the perforation; the whole is sleeved on the corresponding portion of the front fork tube of the vehicle body, so that it can rotate with the front fork tube; a knob is disposed on one side of the cover The knob is mainly used to drive the positioning column; a positioning post is disposed inside the cover body and driven by the knob to engage the fitting piece on the vertical pipe of the vehicle body; and a fitting piece is fastened The outer edge of the top end of the vertical pipe is not interlocked with the front fork pipe, but corresponds to the positioning post; wherein a spring is arranged behind the positioning post; and a front end of the knob is provided with a driving screw and is disposed outside the positioning post The body of the body is provided with at least one fitting portion, the fitting portion is engaged with the driving screw of the knob; and the inner end surface of the knob is provided with a semicircular sliding groove, and the sliding groove corresponds to a bump provided by the cover; another, the knob is set There are signs of "On" and "Off" or "OPEN" and "LOCK". The creation may also be another aspect, comprising a cover having a perforation of the vertical form number A0101, page 4/19, M410703, and at least one groove of the inner edge of the perforation; The sleeve is disposed at a corresponding position of the front fork tube of the vehicle body, so that it can rotate with the front fork tube; a pad is provided with a engaging portion at a groove at the lower end of the bottom cover, and corresponding to the top end of the cover The traverse groove of the handle horizontal pipe is provided with a column; a knob is disposed at one side of the cover, and the knob mainly drives the positioning column; a positioning column is disposed inside the cover body and driven by the knob, enabling a fitting piece that is engaged with the vertical pipe of the vehicle body; and a fitting piece is fixed on the outer edge of the top end of the vertical pipe, and does not interlock with the front fork pipe, but corresponds to the positioning column; the main purpose of the creation is as follows: It is a bicycle front fork orientation device that is easy to operate. The secondary purpose of this creation is to provide a bicycle front fork orientation device that simplifies the assembly. w .. Another purpose of this creation is to provide a bicycle front and rear orientation device for a vehicle type such as a threaded front fork and a threadless front fork. (Compared with the efficacy of the prior art) As can be seen from the above description, the present invention can achieve the following effects compared with the prior art: 1. The knob of the present invention is disposed at the rear of the front fork of the bicycle body, and the knob is provided "On" and "Off" or "OPEN" and "LOCK" and the direction of the arrow indicate that the rider can see at a glance; the knob is closer to the rider's hand, so it is easier, easier and faster to operate. . 2. The creation consists of only the knob, the seat body, the spring, the positioning post and the fitting piece. The effect of the bicycle front fork can be achieved with fewer components, making the manufacturing and assembly simple and fast. 3. This design makes good use of the cushion structure, which is beneficial to the application of the screw head fork and the threadless front fork to enhance the applicability of the original product. Form No. A0101 Page 5 of 19 M410703 [Embodiment] [0004] First, please refer to Figures 1 to 3, which is a bicycle front fork orientation device, which includes: a cover 1, a knob 2, a positioning post 3 and a fitting piece 4; wherein, as shown in Fig. 1, the cover 1 has a body 10 having a drop shape and has a gate shape in cross section. A vertical through hole 11 is disposed at a large area of the drop shape, and an inner edge of the through hole 1 is provided with a protrusion 111 corresponding to the slot 611 of the bicycle front fork tube 61; the whole body is sleeved on the body of the bicycle The front fork tube 61 of the front fork 6 having the thread has a corresponding portion, and the drop-shaped tip of the body 10 faces inward (that is, toward the rider), so that it can rotate with the interlocking of the front fork 6 of the thread; In addition, the lower part of the cover 1 has a receiving block 13 , and the receiving block 13 is located between the connecting hole 12 of the cover 1 and the through hole 11 , and the receiving block 13 is provided with a horizontally penetrating chamber. 131, the chamber 13Ϊ and the coupling hole 11 are penetrated to receive the transmission screw 21 and the positioning post 3 of the knob 2; and the end surface of the drop-shaped tip of the body 10 is provided A coupling hole 12 is provided for arranging the knob 2, and a bump 121 is disposed below the entrance of the coupling hole 12, and the protrusion 121 is matched with the semicircular sliding groove 22 of the knob 2; As shown, the knob 2 includes an E-shaped button 20, a tubular body 24, and a transmission screw 21; wherein the front half of the transmission screw 21 and the tubular body 24 penetrate into the interior of the chamber 13 of the accommodating block 13, and The front half of the driving screw 21 is provided with an external thread 211, and is connected with the body 31 of the positioning post 3, and the seat body 31 is fixed with at least one transverse protrusion 34 to be engaged with the external thread 211; The second half of the 21 is inserted into the coupling hole 12 of the cover 1 and then fixed to the E-shaped button 20 through a screw 25, so that the E-shaped button 20 is disposed inside the tubular body 24 located in the accommodating block 13. The driving screw 21 rotates in conjunction with each other to drive the positioning post 3 to move horizontally. In addition, the E-shaped button 20 is provided with a form number A0101, page 6 of 19, M410703, a mark 23, and the indication may be "on" and "off". Or "OPEN" and "LOCK" and the pattern of the direction of the arrow, and the end face of the E-shaped button 20 corresponding to the cover 1 is provided with a semicircular shape. The groove 22 is matched with the bump 121 at the entrance of the coupling hole 12 of the cover 1; as shown in FIG. 3, the positioning post 3 includes a body 31, a positioning rod 32 and a spring 33; The seat body 31 is a hollow tube 312 tubular shape, and an inner groove 212 provided in the first half of the driving screw 21 of the knob 2 forms an accommodating space for accommodating the positioning rod 32 and a spring 33; and the positioning rod 32 has a rod body of a flange 321 is further mounted on the accommodating space by the end and the spring 33, so that the positioning rod 32 is kept exposed to the seat body 31 at any time; in particular, the seat body 31 is The square type portion 311 is matched with the innermost side of the chamber 131 of the container 13 , and the positioning of the seat body 31 is mainly provided to prevent it from rotating in conjunction with the knob 2; therefore, the positioning column 3 is the most Mainly providing a fitting piece 4 that can be engaged with the vehicle body standpipe 7; and as shown in Fig. 1, the fitting piece 4 is fixed on the outer edge of the top end of the standpipe 7 and close to the inside of the bicycle (also That is, close to the rider), the front fork 6 of the thread is not rotated, and the card slot 41 located thereon is fixed to the positioning post 3. 32 corresponding to the mating rod. Therefore, the steering mechanism of the bicycle generally has a front wheel pivoted from the bottom end of the threaded front fork 6, and the front fork pipe 61 is pivotally connected to the vertical pipe 7 of the vehicle body, and then the handle horizontal pipe 8 is fixed to the front fork pipe 8 Before the top end of the tube 61, and then the rider uses the handle to drive the front wheel to turn, the bicycle can be turned: the creation of the above components, in the case of assembling the bicycle, the first fitting The sheet 4 is fixed to the outer edge of the top end of the vehicle body standpipe 7 by welding and is close to the inner side of the bicycle (that is, close to the rider), and then the front tube 61 of the front fork 6 having the thread is passed from bottom to top. In the vertical tube 7 of the vehicle body, in the form number A0101, page 7 / 19 pages, M410703 has been combined into a cover 1, a knob 2, a positioning post 3 combined with the whole front of the front fork tube 61 The tube 61, in this case, the protrusion 111 of the cover 1 must be aligned with the slot 611 of the front fork tube 61 (the front fork 6 with the thread is provided with the slot 611), and the knob 2 of the present invention can be used. Towards the interior of the vehicle body (ie, close to the rider), the handle cross tube 8 is then fixed to the front fork tube 61 of the threaded front fork 6 and pressed against the present The sleeve cover for a while this will vary with the creation of the front fork 6 has a thread turn together with the rotation of the interlocking rotation. Please refer to Figure 4, because the knob 2 of this creation is directed toward the inside of the vehicle body (that is, close to the rider), which is convenient, easy and quick to operate by the passenger; therefore, the knob 2 of the present creation In the unlocked state, the E-key 20's "ON" or "OPEN j's mark 23 is facing up, so that the rider's line of sight is slightly down, and the S-state of the E-key 20 can be seen clearly. Further, the semi-circular chute 22 of the E-shaped button 20 is matched with the bump 121 at the entrance of the coupling hole 12 of the cover 1, and if it is shown in FIG. 4, the knob 2 is open (or OPEN). In this state, if the rider wants to orient the vehicle, the E-key 20 must be turned 180 degrees clockwise, and the indicator 23 of "Off" or "LOCK" is turned up, and the rider's sight can also be seen. A little down, you can see the current state of the E-key 20; in the top of the cover 1, there are also "open" and "off" or "OPEN" and "LOCK" and a two-way arrow Marker 14, which allows the rider to understand that the operation of the E-key 20 is turned 180 degrees clockwise to place the bicycle in a directional driving state; if the E-key 20 is operated to flip counterclockwise 180 degrees to disengage the bicycle in the directional driving state, please refer to Figures 1 and 3, and if the rider can operate the device at any time, including the straight line of the bicycle, and the bicycle is turning In the case of the case; if the bicycle is traveling straight, the form number A0101, page 8/19, M410703, the rider operates the E-key 20 on the directional driving of the bicycle, and the E-key 20 passes through the transmission screw The transmission base 31 moves the positioning post 3 forward, so that the front end of the positioning rod 32 is directly engaged with the fitting piece 4 located on the vehicle body standpipe 7; if the bicycle is turning, the rider operates When the E-shaped button 20 is driven in the directional direction of the bicycle, the E-shaped button 20 transmits the positioning block 3 forward through the transmission screw 21 of the transmission screw 21, so that the front end of the positioning rod 32 is not engaged with the vertical tube 7 of the vehicle body. The fitting piece 4, but the state is in a state of waiting for engagement, when the bicycle resumes straight running, the positioning rod 32 is engaged with the fitting piece 4 located on the vehicle body standpipe 7, and then In the state of directional driving. Referring to FIG. 5, another embodiment of the present invention is suitable for the condition of the front fork 6a without a thread, so that the foregoing preferred embodiment cannot be engaged with a screwless tooth. The front fork tube 61a of the front fork 6a; therefore, 'in this case, the through hole 11 of the cover 1 is no longer provided with the projection 111 but is provided with the recess 15 and is provided at the top end of the cover 1 a spacer 5, and the remaining components are the same as the preferred embodiment; wherein the spacer 5 is annularly located between the cover 1 and the handle crossbar 8, that is, pressed by the handle crossbar 8, The lower end of the spacer 5 is provided with an engaging portion 51 for the groove 15 of the cover 1 of the cover, and the upper end of the spacer 5 is provided with a corresponding groove 16 for the transverse tube 8 The column 52, when the pad 5 is engaged with the cover 1, the knob 2, the positioning post 3, and the fitting piece 4, is disposed on the front part 6a of the thread and the front tube 61a, so that another The embodiment is engaged with the front fork tube 61a of the threadless front fork 6a, so that the two can be rotated together to achieve the orientation adjustment of the threadless front fork 6a, so that the bicycle can produce the effect of directional driving; in other words, Benchuang The other embodiment produces the same functionality as the preferred embodiment of the present invention. Form No. A0101 Page 9 of 19 M410703 In summary, in the above embodiments, the fitting piece 4 can be omitted, and the frictional force between the vertical rods 7 by the positioning rod 32 can also be used to achieve the directional driving of the bicycle front fork. Effect. The various embodiments of the structure of the present creation have not been found in books or public use, and are in line with the requirements of the new patent application, and please ask the Bureau to give a patent, as long as the patent is granted, and to express the prayer; The technical principles applied immediately by the specific implementation of the creation shall be within the scope of this creation if the functional effects produced by the creation of the concept are not beyond the spirit of the specification and the drawings. To Chen Ming. BRIEF DESCRIPTION OF THE DRAWINGS [0005] FIG. 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded view of the preferred embodiment of the present invention. ···· ... Fig. 3: A plan view of a preferred embodiment of the present invention. Figure 4 is a plan cross-sectional view of a preferred embodiment of the present invention. Figure 5 is a perspective view of another embodiment of the present invention. Figure 6: is a conventional structure diagram. [Main component symbol description] [0006] "This creation" Cover 1 Body 10 Perforation 11 Bump 111 Bonding hole 12 Bump 121 Resisting block 13 Room 131 Marking 14 Groove 1 5 Knob 2 E-key 20 Drive screw 21 External thread 211 Page 10 of 19 Form number A0101 M410703
内槽212 標示23 螺絲25 座體31 階級312 凸緣321 橫凸柱34 卡槽41 卡合部51 有螺牙的前叉6 剖槽611 前叉管61 a 豎管7 剖溝81 習知結構」--9 第一制動器91 彈簧912 圓桿921 上碗93 座體94 第一容置槽942 貫穿孔944 前叉95 溝槽952 滑槽22 管體24 定位柱3 方型嵌部311 定位桿32 彈簧33 嵌合片4 墊塊5 立柱5 2 前叉管61 無螺牙前叉6 剖槽:β Π a: 把手橫管8 圓桿911 第二制愈'器92 彈簧922— 嵌制槽931 碗槽941 貫穿孔943 定位部9 4 5 立管951 表單編號A0101 第11頁/共19頁Inner groove 212 designation 23 Screw 25 Seat body 31 Class 312 Flange 321 Transverse column 34 Card slot 41 Engagement part 51 Front fork with threaded teeth 6 Groove groove 611 Front fork pipe 61 a Vertical pipe 7 Groove groove 81 Conventional structure --9 First brake 91 Spring 912 Round rod 921 Upper bowl 93 Seat 94 First accommodating groove 942 Through hole 944 Front fork 95 Groove 952 Chute 22 Pipe body 24 Positioning post 3 Square fitting 311 Positioning rod 32 Spring 33 Mating piece 4 Pad 5 Column 5 2 Front fork tube 61 No threaded front fork 6 Groove: β Π a: Handle cross tube 8 Round rod 911 Second machine '92' Spring 922 - Insert groove 931 Bowl 941 Through hole 943 Positioning part 9 4 5 Standpipe 951 Form No. A0101 Page 11 of 19