201107180 六、發明說明： 【發明所屬之技術領域】 本發明’係有關於一種折疊式電動辅助腳踏車之改 良’該折疊式電動辅助腳踏車，係具有使由踏板所致之踏 力傳遞至後輪之人力驅動系統、及使電動單元所致之動力 傳遞至前輪之馬達驅動系統。 【先前技術】 先前，具有使由踏板所致之踏力傳遞至後輪之人力驅 動系統之人力驅動部、及使電動單元所致之動力傳遞至前 輪之馬達驅動系統之馬達驅動部之電動辅助腳踏車，係正 在被開發中。 使由人力所致之驅動傳遞至後車輪，同時使電動驅動 p之驅動力傳遞至則輪，藉此，驅動前後兩輪而提高行走 f生之物件係被提案，而且，# 了提高收納性及搬運性，藉 由鏈結機構將具有前輪之前框架與具有後輪之後框架加以 旋轉自如地連結，在收納時使前後框架，以鏈結機構為中 心旋轉而折疊之物件係也被提案（專利文獻丨）。 【先行技術文獻】 【專利文獻】 【專利文獻1】日本特開2003_237680號 【發明内容】 【發明所欲解決的課題】 3 201107180 在專矛J文獻1之構成中，對於將電力，供給到配設於前 輪之電㈣部之供料等之保護，並未被考慮。在使用狀 態下’在傾倒時，握把係接觸到地面，所以，隸供電線 等並不接觸地面’但是在折疊狀態下，握把也被折疊，所 、在傾倒等情形下時，供電線等係接觸到地面或腳踏車 之車體，供電線等有損傷之虞。 本發明之課題’係鑑於上述專利文獻1之問題點而研 發出者’其提供一種折疊式電動輔助腳踏車，#即使在折 疊狀態下傾倒等’也能防止供電線等損傷。 【用於解決課題的手段】 本發明之折疊式電動輔助腳踏車之特徵，係具有：具 有前輪之前框架、具有後輪之後框架、使前述前框架與前 述後框架可在使用狀態與折疊狀態間旋轉地連結之鏈結機 構、使由踏板所致之踏力傳遞到前述後輪之人力驅動系統 之驅動部、以及被電池之動力驅動之馬達驅動系統之電動 驅動部，使前述電動驅動部之電動機部配設於前輪之輪轂 内’同時’在前述前框架與前述後框架之折疊狀態下，使 蓋體配設於前述前框架之以前框架與後框架圍成之空間 中，前述蓋體，係將自前述電池供電至電動機部之供；： 加以保護。 ° 【發明效果】 當使用本發明時，能防止對供電部加以保護之蓋體之 破損’前述供電部，#自電池將電力供給到被配設於前輪 之輪轂内之電動機部。 4 201107180 【實施方式】 依據圖丁之折疊式電動輔助腳踏車，將本發明之實施 形態詳述於下。 1係前框架，在侖、+、 在叫迷則框架1之前端部份處，係透過 前叉2或前輪軸3 ^ 文保别輪4，同時透過握把框架5而設 有握把6。則述握把框每ς ?巴汇架5，係成上下2分割之構成，藉由 中"在上下握把框帛5間之鏈結機構7，在下述之折疊狀 心下把6係被連結成可相對於前框架！而往與下述 之後框架相反側折疊。 8係透過下述鏈結機構丨3而連結在前述前框架.1後部 之後框架’在剐述後框架8之後端部份處，後輪^ 〇係透過 後輪軸9等而被支撐’同時前側部份係設有支樓鞍座11之 鞍座支撐管12。 .13係將前述前框架i與後框架7加以連結之鏈結機 構，可使兩框架在使用狀態與折疊狀態間旋轉，同時豆有 在使用狀態時選擇性地保持之機構（未圖示）。前述鏈結 £ 3如第1圖所不，自上方觀看本實施形態之折疊式 :動辅助腳踏車時，旋轉轴14係被配置在後框架8之左 如第1圖所示’在相對於前述後框架7使前框架i折 疊後之狀態下，前框架i係旋轉到後框架7之左側。 前述鏈結機構13之旋轉軸14，係前述旋轉軸14與前 ^前輪轴3之距離A與前述旋轉轴14與前述後輪軸9之距 B ’係成為A<B之關係，前述後輪軸1〇係不接觸下缚201107180 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to an improvement of a folding type electric assist bicycle which has a manpower for transmitting a pedaling force by a pedal to a rear wheel. The drive system and the motor drive system that transmits the power from the electric unit to the front wheels. [Prior Art] Previously, a human-powered driving unit having a human-powered driving system that transmits a pedaling force by a pedal to a rear wheel, and a motor-assisted bicycle that transmits power from the electric unit to a motor-driven portion of a front-wheel motor driving system The department is being developed. The driving force transmitted by the human power is transmitted to the rear wheel, and the driving force of the electric driving p is transmitted to the wheel, whereby the object that drives the front and rear two wheels to improve the walking is proposed, and the storage property is improved. And the conveyance property, the frame having the front wheel front and the frame having the rear wheel are rotatably coupled by a link mechanism, and the object frame in which the front and rear frames are rotated around the link mechanism during storage is also proposed (patent Literature 丨). [PRIOR ART DOCUMENT] [Patent Document 1] JP-A-2003-237680 [Summary of the Invention] [Problems to be Solved by the Invention] 3 201107180 In the configuration of the special document J document 1, the power is supplied to the distribution. The protection of the supply of materials (4) located in the front wheel is not considered. In the state of use, 'when it is dumped, the grip is in contact with the ground, so the power supply line does not touch the ground', but in the folded state, the grip is also folded, when it is dumped, etc., the power supply line The system is in contact with the ground or the body of the bicycle, and the power supply line is damaged. In view of the problems of the above-mentioned Patent Document 1, the present invention has been proposed to provide a folding type electric assist bicycle which can prevent damage to the power supply line or the like even if it is tilted in a folded state or the like. [Means for Solving the Problem] The folding electric assist bicycle of the present invention is characterized in that it has a front wheel front frame, a rear wheel rear frame, and the front frame and the rear frame are rotatable between a use state and a folded state. a link mechanism of a ground connection, a drive unit for transmitting a pedaling force by a pedal to a human power drive system of the rear wheel, and an electric drive unit of a motor drive system driven by a battery, and a motor unit of the electric drive unit Disposed in the hub of the front wheel at the same time in the folded state of the front frame and the rear frame, the cover body is disposed in the space surrounded by the front frame and the rear frame of the front frame, and the cover body is Powered from the battery to the motor unit;: Protected. [Effect of the Invention] When the present invention is used, it is possible to prevent the cover of the power supply unit from being damaged. The power supply unit # supplies power from the battery to the motor unit disposed in the hub of the front wheel. 4 201107180 [Embodiment] An embodiment of the present invention will be described in detail below with reference to a folding electric assist bicycle of the same. The 1 series front frame is provided with a grip 6 through the front fork 2 or the front axle 3 through the front fork 2 or the front axle 3 at the front end portion of the frame 1 at the front of the frame. Then, the grip box is arranged in a frame, and the frame 5 is formed by dividing the upper and lower sides. By means of the linkage mechanism 7 between the upper and lower grip frames 5, the 6-series is placed under the folded heart below. Linked to be relative to the front frame! It is folded to the opposite side of the frame as described below. The 8 series is coupled to the rear frame of the front frame by the following link mechanism 丨3, and then the frame is 'supported at the rear end portion of the rear frame 8, and the rear wheel is supported by the rear axle 9 and the like' while the front side Some of them are provided with a saddle support tube 12 of the branch saddle 11. .13 is a chain mechanism in which the front frame i and the rear frame 7 are coupled, and the two frames can be rotated between the use state and the folded state, and the beans are selectively held in the use state (not shown). . The chain link 3 is not shown in Fig. 1. When the folding type of the embodiment is viewed from above, the rotating shaft 14 is disposed on the left side of the rear frame 8 as shown in Fig. 1 'in relation to the foregoing In a state where the rear frame 7 is folded by the front frame i, the front frame i is rotated to the left side of the rear frame 7. The rotation axis 14 of the link mechanism 13 is such that the distance A between the rotation shaft 14 and the front front axle 3 and the distance B' between the rotation shaft 14 and the rear wheel axle 9 are A < B, and the rear axle 1 〇 is not in contact with
L S 201107180 前輪1之蓋體22。 15 ’係設於前述後框架8前部之腳部，在前述前框架 \與後框帛8折疊後之狀態下與地面相接，在折疊狀態下 成為後框架8之前方侧腳部，在使用狀態了，相對於地面 具有充分之間隔。 月〕述腳# 15 ’在使用狀態下係相對於地面具有充分之 隔所以纟旋轉轴14與前輪轴3之距離八比旋轉轴 14與後輪軸9之距離β還要短之構成下，當鏈結機構η 之旋轉轴U在使用狀態下相對於地面成垂直構成時，在折 疊狀態下，前後輪4、1。及腳部15成3點立起時，車體係 成往音框架8側傾斜之狀態，穩定性很差。 〃 在此，在本實施形態中，係使前述鏈結機構13之旋轉 軸14’隨著往上方移動而往前後方向傾斜，以使位於前方 位置。藉由使前述旋轉# 14 #前方側傾斜，在折疊狀態 下，當前後輪4、10及腳部15成3點時，能使車體相對2 地面略成垂直狀態地立起。而且，前述旋轉軸14之傾斜角 度’係自前述旋轉軸14至前輪軸3之距離A，前述旋轉軸 Η與後輪軸9之距離B，前述距離A與距離B之差，雖然 係因為刖述腳部15與地面之距離等之各種尺寸等而不 同，但是在本實施形態中，相對於使用狀態下之垂直轴係 往前方傾斜約1度。 在前述後框架7之靠近前部之位置處，於鞍座支撐管 12下方位置，於左右方向設有旋轉自如之曲柄軸η，在被 安裝在前述曲柄軸16之未圖示前鏈輪，與被安裝在後輪軸 6 201107180 9之未圖示後鏈輪之間，繞設有鏈條π。在前述曲柄軸16 兩端設有曲柄18，在前述曲柄18設有踏板ι9。藉由前述 曲柄軸16、前鏈輪、後鏈輪、鏈條1?、曲柄18及踏板19, 可構成人力驅動系統之人力驅動部。 2〇’係設於前述前輪4前輪轴3之輪較，在其内部内 藏有由電動機及遊星齒輪機構所構成之電動機部（皆未圖 =)21 ’係裝卸自如地組裝在前述鞍座支撐管12後部之 電池，依據將施加在前述踏板19上之踏力加以檢出之踏力 ㈣部之輸出，包含微電腦等之控制部（皆未圖示），係 藉由前述電池21之輸出來驅動電動機部。前述電動機部、 電池2卜踏力檢出部及控制部，係可構成驅動控制前述前 輪4之馬達驅動系統之電動驅動部。 22，如f 3 _所*，係被設於本實施形態折疊式電動 輔^腳踏車之前述前輪4左側之合成樹脂製蓋體，橫跨前 述前輪軸3至前輪軸3附近之前又 M _ 时供更至則述電動 #之未圖示之配線部加以保護。 2著’在以下說明本實施形態折疊式電動輔助腳踏車 ^疊方法。而且，以下，雖然說明不移動後框架7,使 别框架1相對於後框架7旋 此。 个知明並不侷限於 將鏈結機構13之旋轉軸14當作支點，相 8使前柜恕！ 對於後框架 & /、往左方旋轉。在此狀態下，如第1 _ 才匚木1之蓋體22，係位於靠近後框架8 ^ 鏈結機構便輪輪9之偏 冓^側之不抵接後輪軸9之位置，因為蓋體a接 201107180 觸到後輪軸9而造成之破損不再發生，同時蓋體22係位於 由前框架1與後框架8圍成之空間，所以，在折疊狀態下， 即使電動輔助腳踏車傾倒，蓋體22也不會接觸到地面等， 能防止蓋體22之破損。 而且，在此狀態下，使握把框架5，係藉由鏈結機構7 而握把6相對於前框架丨旋轉到後框架8之相反側。蓋體 2 2係位於别框架i之後框架8側，所以，當在折疊狀態下， 使握把6移動時，即使握把6擺動，握把6也不會接觸到 蓋體22，能防止蓋體22之破損。 €動補助腳踏車之折疊狀態下，最好前後框架丨、8 及折疊後之握把框帛5以未圖示之帶體等綁緊，或者，收 納在收納衣，能阻止在折疊狀態中，電動輔助腳踏車之前 後框架1、8及握把6之旋轉，搬運及收納皆變方便。 在折豐狀態下，前後輪4、1〇及腳部15係接觸地面而 保持立起狀態。作或舌_旦^ 作為重s物之電動機部及電池21，係分別L S 201107180 Cover 22 of front wheel 1. 15' is disposed on the leg portion of the front portion of the rear frame 8, and is in contact with the ground in a state in which the front frame\ and the rear frame 帛8 are folded, and becomes a front side leg portion of the rear frame 8 in a folded state. The state of use is sufficient to have a sufficient separation from the ground.月〕说脚# 15 'In the state of use, there is a sufficient separation from the ground so that the distance between the rotating shaft 14 and the front wheel shaft 8 is shorter than the distance β between the rotating shaft 14 and the rear wheel shaft 9 When the rotation axis U of the link mechanism η is vertically formed with respect to the ground in the use state, the front and rear wheels 4, 1 are in the folded state. When the leg portion 15 is raised at three o'clock, the vehicle system is tilted toward the sound frame 8 side, and the stability is poor. Here, in the present embodiment, the rotation shaft 14' of the link mechanism 13 is inclined in the front-rear direction as it moves upward so as to be positioned at the front position. By tilting the front side of the rotation # 14 #, when the front rear wheels 4, 10 and the leg portion 15 are at three o'clock in the folded state, the vehicle body can be raised in a vertical state with respect to the ground 2. Further, the inclination angle 'of the rotation shaft 14' is a distance A from the rotation shaft 14 to the front wheel shaft 3, the distance B between the rotation axis Η and the rear wheel shaft 9, the difference between the distance A and the distance B, although it is because The various sizes of the leg portion 15 and the ground are different, and the like, but in the present embodiment, the vertical axis is inclined forward by about 1 degree with respect to the vertical axis in the use state. At a position close to the front portion of the rear frame 7, at a position below the saddle support tube 12, a crank shaft η that is rotatable in the left-right direction is provided, and a front sprocket (not shown) attached to the crank shaft 16 is attached. A chain π is wound around a rear sprocket (not shown) mounted on the rear axle 6 201107180 9. A crank 18 is provided at both ends of the crank shaft 16, and a pedal ι9 is provided on the crank 18. The crankshaft 16, the front sprocket, the rear sprocket, the chain 1?, the crank 18, and the pedal 19 can constitute the human power drive unit of the human power drive system. 2〇' is mounted on the wheel of the front wheel 4 of the front wheel 4, and has a motor portion (not shown) 21' built in the interior of the front wheel 4 and is detachably assembled to the saddle. The battery at the rear of the support tube 12 is outputted by the control unit (not shown) of the microcomputer according to the pedal force (4) detected by the pedaling force applied to the pedal 19, and is driven by the output of the battery 21. Motor unit. The motor unit, the battery 2, and the control unit may constitute an electric drive unit that drives and controls the motor drive system of the front wheel 4. 22, as for the f 3 _*, is a synthetic resin cover provided on the left side of the front wheel 4 of the folding electric motorcycle of the present embodiment, and before the front axle 3 to the vicinity of the front axle 3, M _ It is protected by a wiring unit (not shown) that is described in Electric #. 2. The folding type electric assist bicycle stacking method of the present embodiment will be described below. Further, hereinafter, although the rear frame 7 is not moved, the frame 1 is rotated with respect to the rear frame 7. The knowledge is not limited to the rotation axis 14 of the link mechanism 13 as a fulcrum, and the phase 8 makes the front cabinet forgive! For the rear frame & /, rotate to the left. In this state, the cover 22 of the first _ 匚 1 is located close to the rear axle 9 of the rear frame 8 ^ linkage mechanism wheel 9 because of the cover a connected to 201107180, the damage caused by touching the rear axle 9 no longer occurs, and the cover 22 is located in the space surrounded by the front frame 1 and the rear frame 8, so that in the folded state, even if the electric assist bicycle is dumped, the cover body 22 also does not come into contact with the ground, etc., and can prevent the cover 22 from being damaged. Further, in this state, the grip frame 5 is rotated by the link mechanism 7 with respect to the front frame 到 to the opposite side of the rear frame 8. The cover body 2 2 is located on the side of the frame 8 after the frame i, so that when the grip 6 is moved in the folded state, even if the grip 6 is swung, the grip 6 does not come into contact with the cover 22, and the cover can be prevented. The body 22 is damaged. In the folded state of the mobile bicycle, it is preferable that the front and rear frames 丨, 8 and the folded grip frame 绑 5 are fastened by a belt body or the like (not shown), or are housed in the storage clothes, and can be prevented from being folded. The rotation of the rear frame 1, 8 and the grip 6 before the electric assist bicycle is convenient to carry and store. In the folded state, the front and rear wheels 4, 1 and 15 are in contact with the ground and remain in an upright state. For the motor part and the battery 21 as the heavy s
配置在前輪4之給和· 9Π rin T7 U 輪奴20内及鞍座支撐管12之後方位置， 分散配置在前框架彳另銘。 木1及後框架8,所以’如第丨圖所示， 自上方觀看折疊狀能眸 肷心時在刚框架1方向及後框架8方向 (與前後框架1、8妒亩綠士人上 8釓直線方向交又之方向）上，能保持稃 定立起之狀態。 竹德 之後輪轴9還要前方 作為重量物之電動機 係分別被分散到與地 即使相對於鏈結機構 又，電池2卜係位於比後框架 側之位置，所以，施重在腳部⑴則 部及電池21之荷重，在折疊狀態下 面相接之前後輪丨、1〇及腳部15側 8 201107180 13側浮起之方向，也能保持穩定立起之狀態，同時能減少 施加在腳部15之荷重，而無須非必要地提高腳部15之& ^ 7¾ 度0 而且’在上述實施例中，前述旋轉軸14與前述前輪輪 3之距離A與前述旋轉軸14與前述後輪軸9之距離B，雖 然係A < B之關係，前述後輪軸9係不接觸前輪丨之蓋 22’但是設定成A>B之關係也可以達成同樣之課題。又體 也可以使前輪4之直徑比後輪1 〇之直徑還要大 前輪4之直徑比後輪1 〇之直徑還要小 2 2不接觸到後輪軸9。 【產業上可利用性】 而使前輪 或者，使 4之蓋體 本發明係可適用於折疊式電動辅助腳踏車 【圖式簡單說明】 第1圖係本實施形態電動輔助腳 平之自上方觀ίκ ^ 折疊狀態圖。 曰工力覜侍之 之側視圖 第2圖係自前框架觀得之第i ^ 0 斤宜狀悲、之側視圖。 第3圖係表示本實施形態電動 〜 輔助腳踏車之使用狀態 【主要元件符號說明】 1 前框架 4 前輪 6 握把 201107180 8 後框架 10 後輪 11 鞍座 12 鞍座支撐管 13 鏈結機構 14 旋轉軸 15 腳部 19 踏板 20 輪轂 21 電池 22 蓋體 10It is placed in the front wheel 4 and the 9 Π rin T7 U wheel slave 20 and the saddle support tube 12, and is distributed in the front frame. Wood 1 and rear frame 8, so 'as shown in the figure, the folding shape can be seen from the top in the direction of the frame 1 and the direction of the rear frame 8 (with the front and rear frames 1, 8 acres of green people on the 8 In the direction of the direction of the line, it can maintain the state of standing up. After the Zhude rear axle 9 is further distributed as a weight, the motor system is dispersed to the ground, and even with respect to the chain mechanism, the battery 2 is located at a position closer to the rear frame side, so the weight is applied to the foot (1). The load of the part and the battery 21, before the folding state is connected, the rear wheel rim, the 1 〇 and the leg 15 side 8 201107180 13 side floating direction, can also maintain a stable standing state, and can reduce the application to the foot The load of 15 does not have to be unnecessarily increased to increase the distance of the foot portion 15 and the distance between the aforementioned rotating shaft 14 and the aforementioned front wheel wheel 3 and the aforementioned rotating shaft 14 and the aforementioned rear wheel shaft 9 The distance B, although in the relationship of A < B, the rear axle 9 does not contact the front rim cover 22', but the relationship of A > B can achieve the same problem. The body can also make the diameter of the front wheel 4 larger than the diameter of the rear wheel 1 前. The diameter of the front wheel 4 is smaller than the diameter of the rear wheel 1 2 2 2 does not contact the rear wheel shaft 9. [Industrial Applicability] The front wheel or the cover of the present invention can be applied to a folding electric assist bicycle [Simplified drawing] Fig. 1 is a view of the electric assisting foot of the present embodiment. ^ Fold the state diagram. Side view of the work force 第 第 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图Fig. 3 is a view showing the use state of the electric to the auxiliary bicycle according to the present embodiment. [Main component symbol description] 1 Front frame 4 Front wheel 6 Grip 201107180 8 Rear frame 10 Rear wheel 11 Saddle 12 Saddle support tube 13 Chain mechanism 14 Rotation Shaft 15 Foot 19 Pedal 20 Hub 21 Battery 22 Cover 10