1251561 玫、發明說明： 【發明所屬之技術領域】 本發明係關於一種車輛用自動伸縮腳踏板，特別地指 一種腳踏板與車門連動，打開車門時腳踏板自動伸出，關 閉車門時自動縮入之新穎自動伸縮腳踏板。 【先前技術】 查，一般高底盤車輛特別是廂型車或休旅車等，由於 車門門檻距離地面高，上下車對於老弱婦孺而言，不但是 不方便而且容易發生意外。爲了改善高底盤車輛上下車不 方便之缺失，目前一些廂型車或休旅車等裝設有固定的腳 踏板，惟該固定腳踏板突出在車身側面之外，不僅違反行 車安全規定，且停車時常有發生碰撞之虞；或者，如中華 民國新型專利公告第123483號所揭示之「全自動式登車 腳踏板」，該公開案雖具有自動伸縮之功能，唯該構造涉 及油壓技術及電路改造等，造價高昂。 鑑於習用腳踏板在使用上不如理想或造價昂貴等因 素，爲改善其缺失，例如第1圖所示，爲本案發明人於中 華民國新型專利公告第5 2 1 7 1 7號提供一種「車輛用自動 腳踏板」，其主要包括：一活動板（i )，設有一體成型的 延伸部（Π); —固定板（2)，固定在車身上，其一長度 方向側與活動板（1 )的長度方向側相互鉸接；一擺動桿 (3 )，其中間部樞接在車身上，一端則抵住車門的凸部； 一轉軸（4)，穿過並樞轉於兩個固定在固定板（2)後方 車身上之軸承座（5 1 )上，該轉軸（4 )上固定有一用以 1251561 捲繞鋼絲之捲繞盤（4 2 )及設有滾動軸承（4 1 1 )於其推 桿（4 1 )之末端；一鋼絲（5 6 )，一端固定在該捲繞盤（4 2 ) 的圓周上，另一端經由數個滑輪（5 2 )連接至擺動桿（3 ) 的另一端，該推桿（4 1 )與延伸部（11 )是定位在同一旋 轉平面上且推桿（4 1 )上之滾動軸承（4 1 1 )抵住在延伸 部（1 1 )的末端。如上述之腳踏板，當關閉車門時，車門 的凸部抵住並使擺動桿（3 )的一端向拉緊的方向移動， 且擺動桿（3 )的另一端拉緊鋼絲（5 6 )，進而經由捲繞盤 (42 )的旋轉而轉動轉軸（4 )，同時轉動轉軸（4 )上之 推桿（4 1 )，以使推桿（4 1 )上之滾動軸承（4 11 )抵住活 動板（1 )的延伸部（Π )末端，致使活動板（1 )樞轉至 收納位置；當打開車門時，車門上之凸部脫離擺動桿（3 )， 擺動桿（3 )的一端向放鬆的方向放移動，並使擺動桿（3 ) 的另一端放鬆鋼絲（5 6 )，進而經由捲繞盤（42 )的反旋 轉而轉動轉軸（4 )，以使推桿（4 1 )上之滾動軸承（4 1 1 ) 脫離活動板（1 )的延伸部（Π )末端，致使活動板（1 ) 樞轉至腳踏板位置。此一公開案，在理想之情況下能夠達 到預期之功效，唯鑑於安裝時需切割車門下方的局部鈑 金，因此影響部分消費者之安裝意願。 【發明內容】 本發明之主要目的在於提供一種車輛用自動伸縮腳踏 板，安裝時不須切割車體鈑金，且無需任何手動或電動、 油壓、氣壓等動力輔助之新穎自動伸縮腳踏板，藉以改善 習用腳踏板之缺失。 -6， 1251561 爲了達成上述目的及其他目的，本發明主要包括：一 座部，由一對支持部及一對安裝部等構成一收容空間，該 安裝部固定在車門下方底盤之鋼樑上，及在支持部之側方 形成有一延伸部；一腳踏板，被收容在座部之收容空間中， 受兩支持部導引可滑動，該腳踏板之一端與安裝部之間藉 由一對拉簧之勢能，使腳踏板恆向框架外側方向滑動之趨 勢，以使其前側部位可露出座部外，及其後側部位設有一 牽引部用以定位該腳踏板伸縮位置；一捲繞部，包含有位 在上、下位置之第一捲盤及第二捲盤，經由同一軸銷軸樞 在該座部之延伸部上，經由一離合裝置可受控地連動，該 等捲盤之圓周面上分別形成有一凹部；一第一鋼索，一端 連接在腳踏板之牽引部上，另一端將餘長捲繞在第一捲盤 之凹部中並錨定；一第二鋼索，一端錨定在第二捲盤上並 將餘長捲繞在凹部中，另一端在腳踏板縮回及車門關閉之 情況下連接在車門之滑動元件上。如此，當車門開啓時可 連動地釋放腳踏板伸出，及車門關閉時連動地將腳踏板縮 回等。 【實施方式】 以下將配合實施例對本發明技術特點作進一步地說 明’該實施例僅爲較佳的範例並非用來限定本發明之實施 範圍’謹藉由參考附圖結合下列詳細說明而獲致最好的理 解。 首先，請參考第2至4a圖，本發明車輛用自動伸縮 腳踏板1，其包括··一座部1 〇，由一對第一支持部丨〗a、 -7- 1251561 第二支持部lib，及一對第一安裝部12a、第二安裝部i2b 等構成一收容空間，該對安裝部12a、12b分別以焊接或 螺固等方式固定在車門21下方底盤之鋼樑上，及在第二 支持部1 1 b之側方形成有一支架延伸部1 3。一腳踏板丨4， 被收容在座部1 〇之收容空間中，該腳踏板1 4兩側面上分 別形成有一滑槽1 4 1，兩支持部1 1 a、1 1 b對應設有多數 個支持件1 1 〇，並在其末端分別樞接有滑輪1 1 1伸設在該 等滑槽1 41中（成如第5b圖所示），使該腳踏板14受第 一支持部1 1 a及第二支持部1 1 b導引可滑動。一對或一對 以上之拉簧15，一端固定在第一安裝部12a上，另一端 固定在腳踏板1 4之後側部位，使該腳踏板1 4蓄有拉簧1 5 之勢能，恆朝向座部1 〇外側方向滑動之趨勢，以使其前 側部位可露出座部1 〇外；另外，該第一安裝部1 2a上朝 內側方向一體地形成有一導板1 2 0，及在此導板上設有多 數個定位槽1 2 1。一牽引部1 6，誠如第5 a及6圖所示， 包含有一軸銷1 6 2軸支在一對軸承1 6 1上可轉動，該對軸 承1 6 1固定在腳踏板1 4後側部位；該牽引部1 6下方介於 兩軸承1 6 1之間，對應於第一安裝部1 2 a上之導板1 2 0， 而形成有一導槽1 6 7可導引該導板1 2 0滑行。該軸銷1 6 2 前端包含有一定位銷1 6 3及該軸承1 6 1上固定有一支架 1 64並設有一調整螺栓1 64，用以調整及定位該腳踏板1 4 伸出之位置，該軸銷1 6 2上方包含有一固定元件；[6 5 ;及， 該牽引部16藉由穿設在軸銷162上一扭簧166之勢能， 使則端定位銷1 6 3具有向下方扣之趨勢。 1251561 一捲繞邰1 7 ’誠如第4及4 a圖所示，包含有位在上、 下位置之第一捲盤171及第二捲盤173,其中第一捲盤171 一體地形成有一中介盤172，介於第一捲盤171與第二捲 盤1 73之間，經由同一軸銷1 74將兩者軸樞在延伸部1 3 上，該第二捲盤173與中介盤172之間經由一離合裝置 172'受控地可連動；及，該第一捲盤171及第二捲盤173 沿該等圓周面上分別形成有一凹部1 7 1 1、1 7 3 1。該離合 裝置172'，包括在中介盤172面對第二捲盤173之界面 上形成有一環形槽1721，及在其外周面定點上設有一突 銷1 7 22，該突銷1 722 —端突出徑外，另一端穿過環形槽 1 7 2 1並固接有一緩衝彈簧1 7 2 3在該環形槽1 7 2 1中，及， 第二捲盤173面對中介盤172之界面上對應於該環形槽 1 7 2 1之定點上設有一連動銷1 7 3，突出在該環形槽1 7 2 1 中，藉此使第二捲盤1 7 3與中介盤1 7 2可受約束地連動。 其中，第一捲盤171之上方設有一盤型板簧175，蓄有板 簧174之勢能，使其解繞時具有反方向抗拒力；及，第二 捲盤173之下方設有一盤型板簧175，蓄有板簧176之勢 能使其解繞時具有反方向抗拒力。一第一鋼索1 8，一端 連接在腳踏板1 4牽引部1 6之固定元件1 6 5上，另一端將 餘長捲繞在第一捲盤171之凹部1711中至少兩圈，並錨 定在其圓盤面上；另外，在第二安裝部12b上又設有複數 個轉向滑輪1 8 1導引該第一鋼索1 8。一第二鋼索1 9，一 端錨定在第二捲盤173之圓盤面上，並將餘長捲繞在凹部 1 7 3 1中至少兩圈，另一端穿設在一保護引線1 9 a中，並 1251561 連接在車門21之滑動元件22上。 根據本發明，該腳踏板1 4伸出之長度約相當於第一 捲盤1 7 1之圓周長度，即第一捲盤1 7 1解繞鋼索一圈；及， 第二捲盤173之周長大於第一捲盤171之2倍圓周，即相 當於車門打開之寬度。在通常車門2 1關閉之情況下，藉 由車門21牽引第二鋼索19及第一鋼索18抗拉簧15拉力 將腳踏板1 4拉至縮回位置，此時第一鋼索1 8之餘長係捲 繞在第一捲盤171上，而第二捲盤173呈解繞第二鋼索19 狀態，並蓄有板簧1 76之勢能。開門時可經由第3圖對照 第4圖得以更進一步地瞭解，圖中箭頭方向顯示開門及機 構連動之方向，當開車門2 1時腳踏板1 4受拉簧1 5之拉 力作用而向座部1 〇外側方向伸出，此時第一捲盤1 7 1被 動隨著解繞第一鋼索18，而第二捲盤173受盤型板簧176 作用，開始將車門2 1釋放出來之餘長捲繞在周面之凹部 1 7 3 1上，直至開門之末段腳踏板1 4到達定位時，由於車 門2 1行程大於腳踏板1 4之行程，因此第二捲盤1 7 3單獨 繼續捲完行程。請再參考第6圖，從另一方面說明，腳踏 板14伸出時第一安裝部l2a之導板12〇在牽引部16之導 槽167中滑行，由於該牽引部16之後端固定有一支架ι64 並設有一調整螺栓1 6 8，用來調整腳踏板1 4伸出之長度， 因此，當整腳踏板1 4伸出到達設定之位置，即導板丨2 〇 碰到調整螺栓1 6 8無法再滑動時，第一鋼索1 8放鬆牽引 部1 6 ’該牽引邰1 6軸銷1 6 2受扭簧1 6 6作用而向順時針 方向轉動，使其前端之定位銷1 6 3扣向下方而嵌入設定的 -10- 1251561 定位槽1 2 1中（成如第5及7圖所示）。 請再參考第5圖並對照第7圖，圖中箭頭方向顯示關 門及機構連動之方向，當關車門2 1之初期第二捲盤〗7 3 先單獨解繞一小段第二鋼索1 9，即先走完車門2 1大於腳 踏板1 4之行程，然後第二捲盤1 7 3上之連動銷1 7 3 2經過 一定點接觸到中介盤172突銷1 7 2 2上之緩衝彈簧1 72 3， 而推動突銷1 7 2 2使第一捲盤1 7 1連動而開始捲繞第一鋼 索1 8而將腳踏板1 4縮回；另一方面，當第一捲盤1 7 1開 始捲繞時，第一鋼索1 8受牽引使牽引部1 6之定位銷1 63 上仰離開導板1 20之定位槽1 2 1，而釋放腳踏板1 4扣接 狀態；其餘反序行之，不另外贅述。 以上，僅爲本發明的較佳實施例，並不侷限本發明的 實施範圍；即，不偏離本發明申請專利範圍所作之均等變 化與修飾，應仍屬本發明之涵蓋範圍。 綜上所述，本發明車輛用自動伸縮腳踏板，安裝時不 須切割車體鈑金，且無需任何手動或電動、油壓、氣壓等 動力輔助，容易安裝，利用本發明連動機構，於打開車門 時腳踏板自動伸出及關閉車門時自動縮回等，確實爲一新 穎、進步且具產業利用性之發明。 【圖式簡單說明】 第1圖爲轉繪自中華民國新型專利公告第5 2 1 7 1 7號 「車輛用自動腳踏板」之習知技術示意圖。 第2圖爲本發明自動伸縮腳踏板實施例之局部立體圖 -11- 1251561 第3圖爲顯不本發明在車門關閉腳踏板縮回狀態之平 面示意圖’其中車門部分以假想線表示之。 第4圖爲本發明捲繞部之局部放大圖。 第4a圖爲切自第4圖之4a_4 a方向剖面示意圖。 第5圖爲顯示本發明在車門打開腳踏板伸出狀態之平 面示意圖’其中車門部分以假想線表示之。 第5a圖爲第5圖中圓圈標註部分之局部放大圖。 第5b圖爲切自第5圖之5b-5b方向之局部剖面示意BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic telescopic foot pedal for a vehicle, and more particularly to a foot pedal that is interlocked with a door. When the door is opened, the foot pedal automatically extends and the door is closed. A new automatic retractable foot pedal that automatically retracts. [Prior Art] Investigate, generally high-seat vehicles, especially vans or recreational vehicles. Because the door threshold is higher than the ground, getting on and off is not only inconvenient but also prone to accidents. In order to improve the inconvenience of getting up and down the high-floor vehicles, some vans or recreational vehicles are equipped with fixed foot pedals, but the fixed foot pedals protrude beyond the side of the vehicle body, which not only violates the driving safety regulations. And there is often a collision at the time of parking; or, as described in the Republic of China New Patent Publication No. 123483, the "automatic boarding pedal", although the disclosure has the function of automatic telescopic, only the structure involves oil pressure Technology and circuit transformation, etc., are costly. In view of the fact that the use of the pedals is not as good as the ideal or expensive, in order to improve its lack, for example, as shown in Figure 1, the inventor of the present invention provides a "vehicle" in the Republic of China new patent announcement No. 5 2 1 7 1 7 The utility model relates to an automatic foot pedal, which mainly comprises: a movable plate (i) provided with an integrally formed extension portion (Π); a fixing plate (2) fixed on the vehicle body, a longitudinal direction side thereof and a movable plate ( 1) The longitudinal direction side is hinged to each other; a swinging rod (3), the middle portion of which is pivotally connected to the vehicle body, one end of which abuts against the convex portion of the door; a rotating shaft (4) which passes through and pivots to the two fixed at a bearing block (5 1 ) on the rear body of the fixing plate (2), on which a winding disk (42) for winding the wire of 1251561 and a rolling bearing (4 1 1) are fixed on the rotating shaft (4) a tip end of the push rod (4 1 ); one end of the wire (5 6 ) is fixed on the circumference of the winding disc (42), and the other end is connected to the swing rod (3) via a plurality of pulleys (52) At one end, the push rod (4 1 ) and the extension portion (11 ) are positioned on the same plane of rotation and rolled on the push rod (4 1 ) Bearings (411) against the end portion of the extension (11) of. As the foot pedal described above, when the door is closed, the convex portion of the door abuts and moves one end of the swing lever (3) in a pulling direction, and the other end of the swing lever (3) tensions the wire (5 6) And rotating the rotating shaft (4) via the rotation of the winding disc (42) while rotating the push rod (4 1 ) on the rotating shaft (4) to hold the rolling bearing (4 11 ) on the push rod (4 1 ) against The end of the extension (Π) of the movable panel (1) causes the movable panel (1) to pivot to the storage position; when the door is opened, the convex portion on the door is disengaged from the swinging lever (3), and one end of the swinging lever (3) Move in the direction of relaxation, and let the other end of the swing lever (3) loosen the wire (5 6 ), and then rotate the shaft (4) via the reverse rotation of the winding disc (42) so that the push rod (4 1 ) The rolling bearing (4 1 1 ) is disengaged from the end of the extension (Π) of the movable plate (1), causing the movable plate (1) to pivot to the pedal position. This disclosure can achieve the desired effect under ideal conditions, only in view of the need to cut the local sheet metal under the door during installation, thus affecting the willingness of some consumers to install. SUMMARY OF THE INVENTION The main object of the present invention is to provide an automatic telescopic foot pedal for a vehicle, which does not require any manual or electric, hydraulic, pneumatic, etc. In order to improve the lack of custom pedals. -6, 1251561 In order to achieve the above and other objects, the present invention mainly comprises: a portion, a pair of support portions and a pair of mounting portions, and the like, forming a receiving space, the mounting portion being fixed on the steel beam of the chassis below the door, and An extension portion is formed on a side of the support portion; a foot pedal is received in the accommodating space of the seat portion, and is slidably guided by the two support portions, and the pair of the pedals and the mounting portion are pulled by a pair The potential of the spring causes the footboard to slide toward the outer side of the frame so that the front side portion can be exposed outside the seat portion, and the rear side portion is provided with a pulling portion for positioning the foot pedal telescopic position; a first reel and a second reel having positions in the upper and lower positions, pivoted on the extension of the seat via the same pin, and controlledly linked via a clutch device, the reels a recess is formed on the circumferential surface; a first cable is connected at one end to the traction portion of the footboard, and the other end is wound in the recess of the first reel and anchored; a second cable, one end anchor Set on the second reel and Where extra length is wound in the recess, the other end of the footrest retraction and the closing of the door is connected to the sliding member of the door. In this way, when the door is opened, the pedal can be released in conjunction with the extension, and the pedal can be retracted in conjunction with the door when the door is closed. The embodiments of the present invention will be further described with reference to the embodiments. The present invention is only a preferred example and is not intended to limit the scope of the present invention. Good understanding. First, referring to Figures 2 to 4a, the automatic telescopic footboard 1 for a vehicle of the present invention includes a base portion 1 〇, a pair of first support portions 丨 a, -7- 1251561 second support portion lib And the pair of first mounting portions 12a and the second mounting portions i2b and the like constitute a receiving space, and the pair of mounting portions 12a and 12b are respectively fixed to the steel beam of the chassis below the door 21 by welding or screwing, and A bracket extension 13 is formed on the side of the second support portion 1 1 b. A pedal 丨 4 is received in the accommodating space of the seat portion 1 , and a sliding groove 1 4 is formed on each of the two sides of the foot pedal 14 , and the two supporting portions 1 1 a and 1 1 b are correspondingly provided with a majority Supporting members 1 1 〇, and pivoting pulleys 1 1 1 at their ends respectively extending in the chutes 1 41 (as shown in FIG. 5b), so that the footboard 14 is subjected to the first support portion 1 1 a and the second support portion 1 1 b are guided to be slidable. One or more pairs of tension springs 15 are fixed at one end to the first mounting portion 12a, and the other end is fixed to the rear side portion of the footboard 14 so that the foot pedal 14 is stored with the potential energy of the tension spring 15 Constantly sliding toward the outer side of the seat portion 1 so that the front side portion can be exposed to the outside of the seat portion 1; further, the first mounting portion 12a is integrally formed with a guide plate 1 2 0 in the inward direction, and A plurality of positioning slots 1 2 1 are provided on the guide plate. A traction portion 1 6, as shown in Figures 5a and 6, includes a shaft pin 16 6 shaft pivotable on a pair of bearings 161, the pair of bearings 161 being fixed to the foot pedal 1 4 a rear portion; the traction portion 16 is located between the two bearings 161, corresponding to the guide plate 120 on the first mounting portion 12a, and a guide groove 167 is formed to guide the guide Plate 1 2 0 slides. The front end of the shaft pin 1 6 2 includes a positioning pin 163 and a bracket 1 64 fixed to the bearing 161 and a adjusting bolt 1 64 for adjusting and positioning the position of the foot pedal 14 . The shaft pin 16 6 includes a fixing member above the upper portion; [6 5 ; and the traction portion 16 has a potential energy of a torsion spring 166 disposed on the shaft pin 162, so that the end positioning pin 16 3 has a downward buckle The trend. 1251561 A winding 邰1 7', as shown in Figures 4 and 4a, includes a first reel 171 and a second reel 173 in the upper and lower positions, wherein the first reel 171 is integrally formed The interposer 172 is interposed between the first reel 171 and the second reel 1 73, and pivots the two on the extension 13 via the same pin 1 74. The second reel 173 and the interposer 172 The first reel 171 and the second reel 173 are respectively controlled to be coupled via a clutch device 172'; and the first reel 171 and the second reel 173 are respectively formed with recesses 17 1 1 , 1 7 3 1 along the circumferential surfaces. The clutch device 172' includes an annular groove 1721 formed at an interface of the intermediate disk 172 facing the second reel 173, and a protruding pin 1772 at a fixed point on the outer peripheral surface thereof, the protruding pin 1 722 protruding from the end Outside the diameter, the other end passes through the annular groove 1 7 2 1 and is fixed with a buffer spring 1 7 2 3 in the annular groove 1 7 2 1 , and the interface of the second reel 173 facing the interposer 172 corresponds to A fixed pin 173 is disposed at a fixed point of the annular groove 1 7 2 1 , and protrudes in the annular groove 1 7 2 1 , thereby enabling the second reel 173 to be constrainedly interlocked with the interposer 172 . Wherein, a disc-shaped leaf spring 175 is disposed above the first reel 171, and the potential energy of the leaf spring 174 is stored to have a reverse resistance during unwinding; and a disc pattern is disposed under the second reel 173. The spring 175, which has the potential of the leaf spring 176, has a reverse resistance when it is unwound. A first cable 18 is connected at one end to the fixing member 165 of the traction portion 16 of the footrest 14. The other end is wound with at least two turns in the recess 1711 of the first reel 171 and anchored. On the disk surface thereof, in addition, a plurality of diverting pulleys 1 8 1 are further disposed on the second mounting portion 12b to guide the first cable 18. A second cable 129 is anchored to the disk surface of the second reel 173 at one end, and the remaining length is wound in the recess 1 7 3 1 at least two turns, and the other end is inserted in a protective lead 19 a And 1251561 is attached to the sliding member 22 of the door 21. According to the present invention, the length of the footrest 14 extends approximately equal to the circumferential length of the first reel 171, that is, the first reel 177 unwinds the cable; and the second reel 173 The circumference is greater than twice the circumference of the first reel 171, which is equivalent to the width of the door opening. In the case that the door 21 is normally closed, the second cable 19 and the tension of the first cable 18 tension spring 15 are pulled by the door 21 to pull the pedal 12 to the retracted position, at which time the first cable 18 is The long winding is wound on the first reel 171, and the second reel 173 is unwound around the second cable 19 and stores the potential energy of the leaf spring 176. When the door is opened, it can be further understood by referring to FIG. 4 through the third figure. The direction of the arrow in the figure shows the direction of the door opening and the linkage of the mechanism. When the door 21 is opened, the foot pedal 14 is pulled by the tension of the tension spring 15 The seat 1 protrudes in the outer direction, at which time the first reel 177 is passively unwound with the first cable 18, and the second reel 173 is acted upon by the disc spring 176 to begin releasing the door 2 1 The excess length is wound on the concave portion 1 7 3 1 of the circumferential surface until the foot pedal 14 reaches the positioning at the end of the opening of the door, since the stroke of the door 21 is larger than the stroke of the foot pedal 14, the second reel 1 7 3 Continue to roll the trip separately. Referring to FIG. 6 again, on the other hand, when the footboard 14 is extended, the guide plate 12 of the first mounting portion 12a slides in the guide groove 167 of the traction portion 16, since the rear end of the traction portion 16 is fixed. The bracket ι64 is provided with an adjusting bolt 168 for adjusting the length of the extension of the footboard 14. Therefore, when the whole pedal 14 is extended to reach the set position, the guide 丨2 〇 touches the adjusting bolt 1 6 8 When it is no longer possible to slide, the first cable 18 relaxes the traction portion 1 6 'The traction 邰 1 6 shaft pin 1 6 2 is rotated by the torsion spring 1 6 6 to rotate clockwise, so that the locating pin 1 at the front end 6 3 buckle down and embed the set -10- 1251561 positioning slot 1 2 1 (as shown in Figures 5 and 7). Please refer to Figure 5 again and refer to Figure 7. The direction of the arrow in the figure shows the direction of closing the door and the linkage of the mechanism. When the second reel of the door 2 1 is closed, the second reel is separately unwrapped. That is, the door 21 is larger than the stroke of the foot pedal 14 , and then the linkage pin 1 7 3 2 on the second reel 1 7 3 contacts the buffer spring on the interposer 172 pin 1 7 2 2 at a certain point. 1 72 3, and the push pin 1 7 2 2 causes the first reel 1 7 1 to interlock and begins to wind the first cable 18 to retract the footboard 14; on the other hand, when the first reel 1 7 1 When the winding is started, the first cable 18 is pulled so that the positioning pin 1 63 of the traction portion 16 is lifted away from the positioning groove 1 2 1 of the guide plate 12, and the foot pedal 14 is released. Reverse order, no further description. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; that is, the equivalent changes and modifications made without departing from the scope of the present invention should remain within the scope of the present invention. In summary, the automatic telescopic foot pedal for the vehicle of the present invention does not need to cut the body sheet metal when installing, and does not need any manual or electric, hydraulic, pneumatic and other power assistance, and is easy to install, and is opened by using the linkage mechanism of the present invention. When the door is automatically extended when the door is extended and the door is automatically retracted, it is indeed a novel, progressive and industrially usable invention. [Simple description of the diagram] The first picture is a schematic diagram of the conventional technology of the "Automatic Foot Pedal for Vehicles" from the Republic of China New Patent Announcement No. 5 2 1 7 1 7 . Fig. 2 is a partial perspective view of the embodiment of the automatic telescopic foot pedal of the present invention. -11-1251561 Fig. 3 is a plan view showing the state in which the door closing pedal is retracted in the present invention, wherein the door portion is represented by an imaginary line. Fig. 4 is a partially enlarged view of the winding portion of the present invention. Figure 4a is a schematic cross-sectional view taken from the direction 4a_4a of Figure 4. Fig. 5 is a plan view showing the state in which the door opening pedal of the present invention is extended, wherein the door portion is indicated by an imaginary line. Fig. 5a is a partial enlarged view of a portion marked by a circle in Fig. 5. Figure 5b is a partial cross-sectional view taken from the 5b-5b direction of Figure 5
圖。 第6圖爲切自第3圖之6-6方向局部剖面圖，其中顯 示腳踏板縮回到定位，牽引裝置非錨定之狀態示意圖。 第7圖爲切自第5圖之7-7方向局部剖面圖，其中顯 示腳踏板伸出到定位，牽引裝置錨定之狀態示意圖。 元件符號對照表： 1 ····本發明腳踏板 10 ·····座部 110 ·····支持件 111 ....滑輪Figure. Fig. 6 is a partial cross-sectional view taken along line 6-6 of Fig. 3, showing a state in which the pedal is retracted to the position and the traction device is not anchored. Fig. 7 is a partial cross-sectional view taken in the direction of 7-7 of Fig. 5, showing a state in which the pedal is extended to the position and the traction device is anchored. Component symbol comparison table: 1 ···· The foot pedal of the present invention 10 ····· Seat part 110·····Support piece 111 .... Pulley
lla ····第一支持部 lib….第二支持部 12a ·..·第一安裝部 12b…·第二安裝部 120 ····導板 ..121 ·.····定位槽 13 .....延伸部 14 .....腳踏板 141…·.滑槽 15……拉簧 16……牽引部 161 ····.·軸承 162 ··.··軸銷 163 .····定位銷 164 ······支架 167 ··.··導槽 -12- 1251561 168……調整螺栓 ， 165 .....固定元件 166 .....扭簧 167 .....導槽 - 17……捲繞部 .171 ....第一捲盤 1711 ....凹部 172 .....中介盤 1721 .....環形槽 1 72 2 .....突銷 1 7 2 3 ......彈簧 ： 173 .....第二捲盤 1731 .....凹部 1 7 3 2 .....連動銷 ： 174 .....軸銷 175……板簧 176……板簧 18 ......第一鋼索 18 1 ......滑輪 19……第二鋼索 19a……引線 _ 2 1 ......車門 2 1 ......滑動元件 -13-LLa ····First support unit lib....Second support unit 12a····First mounting unit 12b...·Second mounting unit 120···· Guide board..121 ······Positioning slot 13 ..... Extension 14 ..... foot pedal 141...·. chute 15... tension spring 16... traction unit 161 ······ bearing 162 ····· axle pin 163 .···· 定位 164 164 ······ bracket 167 ····· Guide groove -12- 1251561 168...... adjustment bolt, 165 ..... fixing element 166 ..... torsion spring 167 ..... guide groove - 17 ... winding portion .171 .... first reel 1711 .... recess 172 ..... interposer 1721 ..... annular groove 1 72 2 . .... protruding pin 1 7 2 3 ...... spring: 173 ..... second reel 1731 ..... recess 1 7 3 2 ..... linkage pin: 174 .. ...shaft pin 175... leaf spring 176... leaf spring 18 ... first cable 18 1 ... pulley 19 ... second cable 19 a ... lead _ 2 1 ... ...door 2 1 ... sliding element-13-