1282733 (1) 玖、發明說明 【發明所屬之技術領域】 本發明係關於小型電動車輛，特別是有關供高齡者或 腳不自由的人利用的四輪的小型電動車輛。。 【先前技術】 這種的小型電動車輛被稱爲例如西尼亞車（商品名）等 ，被當作高齡者等的代步工具其非常利用價値高。對於這 種小型電動車輛的基本結構，例如在車體後部設置乘員乘 座用座椅，在其前方設有乘員腳踩用的踏板，進一步在其 前方立設有將前輪操舵用的轉向軸。在轉向軸的上端安裝 有把手，乘員是乘座在座椅來操作該把手。 近年來，西尼亞車型的小型電動車輛其市場擴大，而 被使用於各式各樣用途。習知，雖在收納空間比較多余1青 況下被購入、使用，但予測今後會隨著高齡者人口的增加 ’在都會的需要也會增加。而在都會中現狀是，收納空間 容易被制限，且必需乘入電梯等的乘坐工具的機會漸漸增 加。 【發明內容】 (本發明所欲解決的課題） 依照習知的形式認定尺寸的上限全長的話，是無法搭 乘入電梯，一方面若只將全長單純地輕小化的話會有弊害 產生的情況。最近的西尼亞車的基本結構是將轉向軸及把 -5- (2) 1282733 手軸是配置成一直線狀，如此地將車輛全長輕小化的話乘 員及把手之間的空間會縮小。另也有使座椅後退該縮小的 部分來確保空間，但將座椅設在後方位置的話，會損害車 輛後部的靜的安定性。 進一步’對於車輛的靜的安定性說明的話，這種小型 電動車輛中爲了達成小型化，而在作爲驅動輪的後輪的周 圍具備電動馬達的動力元件或將電力供給至此動力元件的 電池，進一步設有乘員用乘座座椅，但在前輪的周圍雖只 設置操舵裝置。因此成爲前輪分擔負荷小的車輛結構，如 此成爲會以後輪軸爲中心朝後方翻覆的對於安定性不利的 結構。 且，對於習知的操舵裝置，雖爲了使把手操作感佳而 形成呈略直線狀朝後上方延伸的結構，這種結構的情況， 即使乘貝的腳踩用踏板的面積是同一，但操舵軸傾斜設置 的部分會使乘員的腳部用空間變窄。 且，習知的四輪西尼亞車型的小型電動車輛中，具有 :擔任前輪的操舵的轉向軸、及供支撐安裝在其延長線上 的把手軸用的支撐構件。這些，是由配管材或軸支架等所 構成，其高度被抑制比較低。近年來，在把手周圍安裝有 整流罩（腳護罩）的情況很多，爲了安裝整流罩而需要撐柱 等。從製作上或者是運往組裝工場貨物姿態的觀點來看， 將這種撐柱一體化構成並非上策，一般是形成別體。 因此，本發明的課題，便在於提供一種可達成實質上 的輕小化並有效地確保空間，且具有在製作上或者是組裝 - 6 - (3) 1282733 上有利的結構的小型電動車輛。 (用以解決課題的手段） 爲解決上述的課題，本發明之小型電動車輛 於托架上的單座座椅的下方前方具有舖設在前述 踏板，且藉由作爲由把手操作而左右擺動的操向 前述踏板的前方的左右一對的前輪、及作爲由動 驅動的驅動輪而設在前述單座座椅的下方後部的 的後輪而可行走，且具備將電力供給至前述動力 池元件之小型電動車輛，其特徵爲：可朝左右轉 被設在上端的把手並且從前述踏板的前端部朝上 置的轉向軸、及在朝向左右方向外側延設的懸吊 端部隔著主銷而可朝左右擺動地被支撐的前輪轉 具有隔著導桿臂及肘臂而相互連結的操舵裝置， 裝置是配置在前述踏板的下方及朝車輛前後延伸 體托架的前端部，將可旋轉自如地支撐前述轉向 托架可裝卸地設在前述車體托架。 且，對於本發明之小型電動車輛，其中，前 是由：位在前述前輪的後方的位置且具有前述前 相面對間隔略等寬的主踏板部、及比前述前輪的 對間隔還小且由比前述主踏板部還小的寬度朝前 部的前方延設的前踏板部所構成，前述車體托架 具有與前述左右的前輪的內側相面對間隔略等寬 述主踏板部的左右兩側緣部朝前後延伸而形成前 在被支撐 托架上的 輪而設在 力元件所 左右一對 元件的電 動地支撐 方突出設 臂的外側 向肘，是 且該操舵 的前述車 軸的轉向 述踏板， 輪的左右 左右相面 述主踏板 ，是由： 且沿著前 述主踏板 -7- (4) 1282733 邰的中央托架邰、及由比前述前輪的左右相面對間隔還小 的相面對間隔朝前述中央托架部的前方延設並支撐前述前 輪及操蛇g亥則輪的前述操舵裝置並且形成前述前踏板部的 前托架部、及從前述中央托架部朝後方延設並支撐前述單 座座椅和前述電源元件和前述後輪的後托架所構成。 且’對於本發明之小型電動車輛，其中，將前述中央 托架邰、削述則托架部及前述後托架藉由左右一對的主托 架構件形成，具備··從前述主托架構件側面的前述中央托 架部朝外方突出的側部手推把、及朝前述單座座椅的後方 突出且與前述左右一對的主托架構件的後端連結的後部手 推把。 且，對於本發明之小型電動車輛，其中，前述轉向軸 ，是在前述把手所結合的上端部及前述導桿臂所結合的下 端部的略中間部分割成上半部及下半部，並且，前述上半 部及前述下半部是由可彎曲自如的接頭手段所連結，而前 述下半部是立設成略垂直同時前述上半部是朝向前述單座 座椅地朝後方傾斜。 且，對於本發明之小型電動車輛，其中，前述轉向托 架，在前述接頭手段附近朝後方傾斜地彎曲，並且，從前 述前托架部朝上方以同一寬度突出且可裝卸。 且，對於本發明之小型電動車輛，其中，前述轉向托 架，是藉由挾持裝置而可裝卸在前述車體托架。 依據本發明，藉由別體構成車體托架及轉向托架就可 將縮小貨物姿態而可輕小化，可以提高使用性並且可以改 -8- (5) 1282733 善組裝效率。且，藉由將操舵軸周圍朝後方朝適度地彎曲 來擴大踏板空間，就可以確保身邊的有效空間。且，不會 將車輛重心偏向車體後方而可以設定在適切位置，而可以 提高車輛的靜的安定性。 【實施方式】 茲佐以圖面說明本發明之小型電動車輛。 第1圖〜第5圖，是顯示此實施形態的小型電動車輛 的整體結構。 此實施形態是四輪小型電動車輛的例，對於這些圖係 在包含車體托架的托架元件1 00的前後部分別支撐者左右 一對的前輪1及後輪2。前輪1是由前輪支撐機構200， 且後輪2是由後輪支撐機構3 00所支撐。在托架元件100 的後部附近，支撐著形成可讓1人的乘員乘座的單座座椅 的座椅元件4〇〇。在單座座椅的下方前方的，具有形成被 舖設在車體托架上的低底的乘員腳踩踏板的踏板操作盤3 。在托架元件1 0 0的前部，具有藉由把手操作而操舵作爲 朝左右擺動的操向輪的前輪1之操蛇機構5 0 0。 在此例中後輪2是作爲驅動輪，且由含有設在單座座 椅的下方後部的電動馬達的動力元件6 0 0所驅動。而且本 發明中，在踏板操作盤3的下側，配置有具備將電力供給 至動力元件6 0 0的二次電池之電池元件7 0 0。 托架元件1 0 0，也是參照第6圖〜第8圖，是由支撐 構成底盤部分的車體托架1 0 1及轉向把手等的轉向托架 -9 - (6) 1282733 ]〇2所構成，車體托架101是包含主托架1〇3及後托架 104。主托架1〇3更由朝中央托架部1〇5及中央托架部 1 〇 5的前方延設的前托架部1 〇 6所構成。 主托架]0 3，包含在左右兩側朝前後方向配置的一對 的主托架構件1 〇 7，且主托架構件1 〇7係在中央托架部 1 〇 5及前托架部1 0 6的境界附近，形成如第8圖等所示的 先端較細地變窄的形狀。主托架構件1 0 7最好是由方形管 材形成，但不限定於此例如由U形鋼材或者是圓形管材 等形成也可以。不論任一種情況，主托架構件1 07皆是具 有固定的局度（上下方向的厚度）。且，在各主托架構件 1 〇 7附設有朝外側方突出的例如由圓形管材形成的手推把 111° 且，在此例中對於主托架構件]0 7恩係在其前端部及 中央托架部1 0 5及前托架部1 〇 6的境界附近及後端部橫架 著3個的架橋構件1 0 8、1 0 9、1 1 0，由此確保主托架1 〇 3 的高剛性。架橋構件1 0 8、1 0 9，如第7圖所示，是朝下 方突出地彎曲形成，且後述的前輪支撐機構的底基構件是 配置於架橋構件108、109上。然而，實車中，如第7圖 所示’主托架1 03是呈適度地朝前方上昇的傾斜狀態，這 時前輪支撐機構的底基構件，是使後述懸吊臂的轉動軸與 主銷的後方傾斜角度（主銷後傾角）相互垂直地朝前方上昇 傾斜被支撐。 在此’轉向托架1 02，如第9圖所示，是由4本的配 管材1 02a〜d在前托架部106的前端部內側，一體地被立 -1〇- (7) 1282733 設支撐。轉向托架1 〇 2雖是從前托架部1 〇 6 (主托架構件 107)垂直地立起，但如上述，因爲主托架1〇3是朝前上昇 傾斜’所以轉向托架1 〇 2也適度地朝單座座椅側傾斜。然 而’轉向托架1 02最好是由方形管材形成。 後托架1 0 4，是從各主托架構件]0 7的後端部附近朝 後上方的傾斜配置，在各後端部是藉由手推把〗丨2相互地 結合。在後托架1 〇4的前後方向的中間程度，是橫架有呈 略拱門狀或是台形狀的架橋構件1 1 3，且在架橋構件n 3 的上部安裝有支撐座椅元件4 0 0用的座椅柱1 1 4。後托架 1 〇 4或者是架橋構件1 1 3，雖最好是由方形管材形成，但 不限定於此也可以由例如U形鋼材或者是圓形管材等形 成。在後托架1 0 4的後端部，橫架有朝下方突出地彎曲形 成的架橋構件1 1 5。 前輪支撐機構2 0 0，雖可將前輪1旋轉自如且可擺動 地支撐’但含有：作爲被保持於前托架部1 〇 6的下方的支 撐部之底基構件2 0 1、及固定於底基構件2 0 1上的懸吊臂 支架2 0 2 '及藉由懸吊臂支架2 02可朝上下方向擺動自如 地被支撐並從車輛的左右方向的中央部朝外側延設的同時 在外側端部可將前輪1旋轉自如地支撐的懸吊臂2 〇 3。 在此，主要是藉由此前輪支撐機構2 0 0，而形成對於 後述電池盒的前方經過左右的前輪1的相面對之間地朝左 右延伸，且由朝比該電池盒下側突出的剛性構件所構成的 突出構造。即此突出構造如第1圖〜第5圖或者是第7圖 等所不’是由朝前托架部1 0 6的下方突出地配置構成的底 -11 - (8) 1282733 基構件201、及懸吊臂支架2〇2、及懸吊臂203等所構成 ，藉由將這種突出構造設在電池盒的前方且下側，而形成 具有作爲車輛的電源裝置的功能的電池盒的屏障或是防護 手段，而可以有效地保護脆弱的電源裝置。然而，即使具 有如此的朝前托架部1 0 6的下方突出的突出構造，但實車 中，踏板3因爲呈朝前方上昇傾斜配置（第7圖參照）所以 不會朝下方伸出，而可以有效地確保最低的地上高。 對於前輪支撐機構2 0 0，也是參照第9圖，在配置於 主托架1 0 3的架橋構件1 〇 8、1 0 9上的底基構件2 0 1上， 分別對於左右的懸吊臂2 0 3設有前後2個的懸吊臂支架 2 〇 2。各懸吊臂2 0 3是呈朝前後分岐的二股狀，其分岐的 2個的基端（內側端）是藉由前後2個的懸吊臂支架202而 可朝上下朝轉動自如地被軸支。在懸吊臂2 0 3的先端，C 字狀的肘2 0 4 (前輪轉向肘）是隔著主銷2 0 8而可朝左右轉 動地軸交。在肘2 04使車軸2 0 5朝水平延設，前輪1是可 旋轉自如地支撐於在此車軸2 0 5。 在前托架部1 06的外側部是固定有裝架懸吊彈簧206 用的支架207，且在該支架2〇7及懸吊臂2 03 (二股狀的分 岐中的前側）之間裝設有懸吊彈簧2 06。 後輪支撐機構3 0 0，是與動力元件6 0 0協動地支撐後 輪2 °此情況，動力元件6 0 0是包含電動馬達及連結其輸 出軸的減速齒輪群，且最終段齒輪是的支軸是成爲後輪2 的車軸3 0 1。動力兀件6 0 0的前端側，是隔著固定在主托 架構件]0 7後端的支架3 0 2 (第1圖〜第3圖等參照）被軸 -12- (9) 1282733 支。動力元件6 Ο 0的後端側，是與緩衝器3 Ο 3的下端連結 。緩衝器3 0 3的上端，是隔著固定在後托架1 〇4後端的支 架3 0 4被軸支。然而，緩衝器3 0 3，也可以利用壓縮捲簧 或者是油壓等。 對於座椅元件4 0 0，由方形管材等形成的座椅緩衝托 架4 〇 1及座椅背部托架4 0 2是呈略L字狀地結合成一體’ 並將座椅緩衝托架4 0 1形成略水平地被支撐於座椅柱1 1 4 上。此情況，座椅元件4 0 0是可朝左右轉動，且可選擇地 被支撐固定在其轉動途中的複數的角度位置上。 在座椅緩衝托架4 Ο 1安裝有作爲彈性體的座椅緩衝 4 0 3，且在座椅背部托架4 0 2安裝有作爲彈性體的座椅背 部4 04。在座椅背部托架4 02的適度的高度位置，使手把 4 0 5可轉動被支撐。如第3圖所示乘座在被支撐於座椅柱 1 1 4上的座椅元件4 0 0的乘員，可將腳放在踏板操作盤3 ，而可踩踏配置於踏板操作盤3的前部附近的腳制動器4 〇 在此說明單座座椅的轉動支撐機構的構成例。第1 〇 圖中，在下側底基支架4 0 6結合有座椅緩衝托架4 0 1，在 g亥底基支架4〇6垂下有座椅配管407。一方面在座椅柱 1 I4嵌合有配管支架4〇8，在此配管支架408可旋轉地內 嵌有座椅配管4〇7。由此單座座椅可隨著座椅緩衝托架 4 〇 1左右轉動。然而，配管支架4 〇 8是可裝卸於座椅柱 114。 且’具有軸承4 〇 9的操作桿支架4 ；1 〇是固定在底基支 -13- (10) 1282733 架4 0 6的前部。在軸承4 0 9插通著轉軸4 1 1，旋轉軸4 1 ] 是藉由朝外側延設並適度地如圖示地彎曲而形成操作桿部 4 1 2。在旋轉軸4 1 1，固定有從底基支架4 0 6開設的開口 4 1 3朝下方突出的爪片4 1 4。由操作桿部4 1 2的操作可使 爪片4 ]. 4轉動。爪片4 1 4，具有與後述停止器托板的齒卡 合的孔414a。一方面，在配管支架408的上端是固定有 停止器托板4 1 5，且在停止器托板4 1 5的外周部是設有以 適度的角度間隔的複數的齒4 1 6。各齒4 1 6的兩側是切除 作爲游隙，由此可與爪片4 1 4卡合。 藉由將座椅配管4 0 7插入配管支架4 0 8，而使單座座 椅被支撐於座椅柱1 1 4上。此情況，藉由操作桿部4 1 2的 操作將爪片4 1 4與所期的齒4 1 6卡合，就可將單座座椅選 擇地固定於所期的角度位置。 對於操舵機構500 —參照第5圖或者是第9圖等，在 轉向托架1 02的內側是隔著複數的支架5 02，使轉向軸 5 0 1可旋轉自如地被保持。轉向軸5 0 1是在長度方向的中 間部隔著萬向接頭5〇3，朝單座座椅側傾斜地彎曲’在其 上端部隔著支架5 04使轉向把手5 0 5被支撐。轉向把手 5 0 5的前部是被切除變形成U字狀，一邊把持轉向把手 5 0 5的適當處，一邊將安裝在加速桿5 0 6的支架5 0 4轉動 操作。 在前托架部1 〇6的各主托架構件1 07的前端部內側’ 安裝有支架5 0 7 ’在此支架5 0 7上設有可將轉向軸501的 下端旋轉自如地支撐用的轂部。在支架5 07上的轉向軸 -14 - (11) 1282733 5 Ο 1的後側，配置具有與設在轉向軸5 Ο 1下端的齒輪嚙合 的齒輪的中間軸5 0 8。在中間軸5 0 8雖固定有導桿臂5 0 9 ，但將轉向軸5 Ο 1朝右或是左旋轉的話，導桿臂5 〇 9會隔 著中間軸5 0 8朝右側或是左側轉動。 對於各前輪1，固定在肘2 04的肘臂5 1 0及導桿臂 5 0 9是隔著導桿5 1 1相互地連結。藉由將轉向把手5 0 5朝 右左旋轉，就可隔著轉向軸5 Ο 1、中間軸5 0 8、導桿臂 5 0 9及導桿5 1 1使前輪1朝右或左地被操舵。藉由如此設 置中間軸5 0 8，就可與轉向把手5 〇 5的旋轉方向同一方向 地操舵前輪1。此情況，藉由適宜地選擇轉向軸5 Ο 1側的 齒輪及中間軸5 0 8側的齒輪的齒輪比，就可適切地設定操 舵角及操舵力。 動力元件600是如前述，與後輪支撐機構300協動地 支撐後輪2。後述的電池元件7 0 0是將電力供給至動力元 件6 0 0而使其電動馬達6 0 1被驅動。 對於本發明的電池元件7 0 0，如第8圖所示在踏板（ 或者是踏板操作盤）3的主要領域中，在沿著其兩側緣部 配置的托架彼此之間，收納具有與該托架的高度略同等的 高度的電池盒7〇1，在此電池盒701內將複數的二次電池 7 0 2別段配置。在圖示側，在同一平面上呈前後2列地配 列複數的二次電池7 〇 2。 在此’踏板3是由位在前輪1的後方的位置且具有與 前輪1的左右相面對間隔略等同的寬的主踏板部5、及 以比前輪1的左右相面對間隔還小且比主踏板部5還小的 -15- (12) 1282733 寬朝主踏板部5的前方延設的前踏板部6所構成。踏板3 的主要領域，是由主踏板部5所構成，在此部分配置有電 池盒7 0 1。 且，前述主托架1 〇 3的中央托架部1 〇 5，是沿著主踏 板部5的左右兩側線部朝前後延伸。前托架部丨〇 6，是以 比則輪1的左右相面對間隔還小的相面對間隔朝中央托架 部1 〇 5的前方延設。在此例中，構成中央托架部〗〇 5的主 托架構件1 07彼此之間，配置有電池盒70 ;i。 電池盒7 0 1如第1 1圖所示，呈槪略薄箱狀，形成與 主托架構件107略同一高度。而且，此電池盒70】是在主 踏板部5的下側並配置於主托架構件i 07彼此之間。本發 明所使用的乾式的二次電池7 0 2，典型是使用鋰離子電池 ，這種的乾式二次電池，通常將多數的電池組合包裝。此 情況’爲了使大型的電池模組的密度提高，而多進行交錯 堆疊，就因這樣而變得相當重大。此實施形態中，如前述 因爲具備左右一對的前輪1，可將主踏板部5形成具有與 前輪1的左右相面對間隔略等同的寬的大面積，所以在同 一平面上可配列前後2列合計8個二次電池7 0 2。藉由將 二次電池7 0 2的寬（直徑）作成與主托架構件1 0 7的高度同 等’或稍微高程度，就可將電池搭載空間設成非常薄。 在電池盒701的底部，如第1 2圖所示，具有對俞二 次電池7 02的外形而形成的複數的凹凸狀的保持部。此保 持部在本實施形態中，形成有複數的半月狀肋7 0 1 a。如 上述藉由將二次電池702配置於同一平面，使二次電池 -16 - (13) 1282733 7 〇2必需不受振動等地被固定在電池盒7〇1。藉由設有半 月狀肋7 0 1 a，將二次電池7 0 2適切固定使相互不干渉。 電池盒7 〇 1是在左右兩側具有凸緣狀的安裝部7 0 1 b ，在將此安裝部701b載置於主托架構件1〇7上的狀態下 ，藉由小螺絲等而安裝於該主托架構件1 0 7。此情況，設 有其安裝用小螺絲的插通孔7 0 1 c。在電池盒7 0 1的前部 ，即前列側的二次電池702的前側是隔著支架701d，配 置有電池控制器（基板）703。 電池控制器7 〇 3，雖是控制成在二次電池7 0 2 (電池） 之間不會產生容量差或電位差，但對於電池盒7 0 1的底部 是設成垂直。如此將電池控制器7 0 3設成在前懸吊周圍的 零件及二次電池702之間呈垂直，就可以有效地利用前後 方向空間。然而，即使將電池控制器7 03垂直設置，實車 中，踏板因爲是朝前方上昇傾斜配置，所以不會朝下方伸 出，可以有效確保最低的地上高度。 如第12圖或者是第13圖所示在電池盒701的上部， 覆設有平板狀的蓋7〇4。蓋704是具有與電池盒701的上 部開口整合的形狀，且從其下面的周緣部垂設有複數的爪 片704a。在電池盒701設有對應爪片704a的複數的卡合 部701e，藉由將爪片7(Ha卡合在卡合部701e而將蓋704 固定。然而，在電池盒701及蓋704的對合部的，爲了不 使電池盒701內有水或者是灰塵等侵入而裝設有密封墊。 藉由將蓋704覆設固定在收納二次電池702的電池盒701 ，就可構成電池或是電池塑膠盒。 -17- (14) 1282733 且，如第1 3圖所示，在電池或是電池塑膠盒的上側 ，即蓋7 04的上側配置有踏板操作盤3。踏板操作盤3是 在隔著隔片地載置於電池盒7 0 1的安裝部7 〇 ] b上的狀態 ’藉由小Φ糸絲等女裝於該主托架構件1 〇 7。此情況，在踏 板操作盤3的周緣部設有其安裝用小螺絲的插通孔3a， 並且’在安裝部7 0 1 b也設有對應插通孔3 &位置的插通孔 70 1 f 〇 在電池或是電池塑膠盒的下側，即電池盒7 〇〗的下側 是配置有槪略平板狀的底部護板7 0 5。底部護板70 5是使 覆蓋電池盒7 0 1的下部地藉由小螺絲等安裝於架橋構件 1 〇 9及架橋構件1 1 0 (第6圖等參照）。此情況，在底部護 板7 0 5的前緣部及後緣部是分別設有其安裝用小螺絲的插 通孔 705a、705b(第 12 圖）。 進一步，對於本發明的小型電動車輛請參照前述各圖 ，在配置於踏板3的後方的單座座椅的下方前半部，是如 第3圖等所示，配設有：電子控制應將供給至動力元件 6 0 0的電動馬達6 0 1的電力之主控制器7、及供進行充電 至電池元件700的二次電池702之充電裝置8。主控制器 7及充電裝置8，是由從踏板3從一體地連續形成的車體 蓋（無圖示）所覆蓋，使不會露出於外部。 且，在位於主控制器7等後方的左右一對後輪2之間 的空間，裝架有箱狀或是籠狀的貨物收納裝置9，在此貨 物收納裝置9的上部是開設有可將貨物等出入用的開口 9a。如前述，單座座椅是在座椅柱114的上方附近位置， -18- (15) 1282733 可轉動地被支撐在該座椅柱1 1 4的周圍。藉由將單座座椅 適宜轉動，就可由單座座椅將位在貨物收納裝置9的開口 9 a的一部分或是全部從上方開閉地覆蓋。 一方面，對於轉向托架1 0 2的上部，在轉向把手5 0 5 的前方附近位置安裝有開關盒（操作操作盤）1 〇。此開關盒 1 〇，如第7圖所示，隔著被固定於轉向托架1 〇 2的上端的 略鍵形的支架1 1被支撐。開關盒1 0雖是搭載有各種開關 類，但配設有例如前後進切換旋鈕、速度設定旋鈕、電池 殘量顯示器及充電燈，甚至左右的方向燈開關及喇叭按鈕 等的開關。 開關盒1 〇，是在轉向把手5 0 5的前方附近位置呈適 度地傾斜配置，使運轉操作所需要的開關類是位在手容易 伸得到，且眼容易看得到顯示燈等的顯示內容的位置。因 此，乘座在單座座椅的乘員，可簡單且確實地操作開關盒 1 〇的開關類。此時，可依據需要適宜操作加速桿5 0 6。 且，將電線捲線器內藏於開關盒1 〇的下方附近位置 的電線捲線器盒1 2是安裝於轉向托架1 〇 2。在電線捲線 器中朝捲取方向被推迫的充電用電線，是可吐出自如地被 捲回，該充電用電線是連接於充電裝置8。在電池元件 700的二次電池702進行充電時，是從電線捲線器盒12 將充電用電線吐出’並透過此充電用電線使充電裝置8與 外部電源連接。 在轉向托架1 0 2的上部，例如利用支架5 0 2安裝有主 按鍵1 3。主按鍵]3，是配置在乘座在單座座椅的乘員容 -19- (16) 1282733 易操作的位置。在主按鍵1 3的下方是裝架有轉向托架 1 0 2箱狀或是籠狀的貨物收納裝置1 4，在此貨物收納裝置 1 4的上部是開設有可將貨物等出入的開口。 上述的情況，各元件是由塑膠或是合成樹脂等所形成 的車體蓋所覆蓋’車輛整體可被設計成預定的外觀新式樣 。此情況，在轉向托架1 02周圍實裝有腳護罩等，在前輪 1及後輪2周圍是分別裝設有前擋泥板及後擋泥板。 進一步，在實車上裝備有行走上所需要的安全或者是 保安零件類。這種的裝備品是包含：頭燈、信號燈、殺車 燈、側部後照鏡或者是喇叭等，進一步依據需要加裝其他 的零件等。 在此’轉向托架1 〇 2是如第1 4圖所示，從前托架部 1 〇 6朝上方突出同一寬度。而且本發明中，特別是轉向托 架1 02，是藉由後述挾持裝置而可裝卸地設在車體托架 1 〇 1。此情況’如第1 5圖在轉向托架1 〇 2的下端，熔接有 例如呈海鷗展翼狀的支架5 0 7，兩者是被一體化。然而， 在支架5 0 7的凹部內，配設有轉向軸安裝用轂部512及中 間軸安裝用轂部5 1 3。 挾持裝置，是將前托架部1 0 6從上下夾持，並將轉向 托架1 0 2締結固定如在前托架部1 〇 6。此情況，如第1 6 圖所由支架5 0 7的夾具部5 0 7 a、及別體構成的夾具構件 5 1 4將前托架部1 0 6從上下挾持，並藉由螺絲將夾具部 507a及夾具構件514旋緊而可以安裝轉向托架1〇2。如此 ’車體托架]01及轉向托架102先是別體形成，再藉由挾 -20- (17) 1282733 持裝置可裝卸地結合。 進一步在本發明中，如第1 7圖所示，轉向軸5 0 1， 是以轉向把手5 0 5結合的上端部及導桿臂5 09結合的下端 部的略中間部，分割成上半部5 0 1 A及下半部5 0 1 B。上半 部5 0 1 A及下半部5 0 ] B，是由作爲彎曲自如的接頭手段的 萬向接頭5 0 3所連結。此情況，下半部50 1B是從前托架 部1 0 6呈略垂直立設，同時上半部5 0 1 A是朝向單座座椅 地朝後方傾斜配置。 且，如前述，轉向托架102雖是從前托架部1〇6朝上 方突出，但從第1 7圖等可知，在轉向軸5 0 1的萬向接頭 5 〇 3附近朝後方傾斜地彎曲。此情況，轉向托架1 〇 2的前 側的配管材1 0 2 a、1 0 2 b是與轉向軸5 0 1的上半部5 0 1 A略 平行地彎曲。 對於本發明的小型電動車輛的實際使用，是由乘座在 單座座椅的乘員把持轉向把手5 0 5，拉壓加速桿5 0 6或者 是依據需要踩踏腳制動器4使車輛行走。此情況，從收納 於踏板操作盤3的下側的電池元件700將電力供給至動力 元件6 0 0，由動力元件6 0 0的電動馬達6 0 1驅動後輪2， 如此，乘員可以順利且適切地駕駿小型電動車輛。 接著’對於本發明的小型電動車輛，特別是使車體托 架]0 1及轉向托架1 02別體構成，且使轉向托架！ 〇2設成 可藉由挾持裝置進行裝卸。如此藉由別體構成而可以使貨 物姿態減小而可以輕小化，而可以大幅提高例如往組裝工 場等出貨時的便利性。且因可部分組裝操舵裝置周圍的零 -21 - (18) 1282733 件，且藉由以部分組裝的狀態進貨而可以改善組裝效率。 因爲轉向托架102是藉由挾持裝置而安裝於車體托架 1 0 1，所以在車體托架1 01不需施加特別的加工，在組裝 上不費勞力和時間，且可進行無遊隙等高精度地組裝。 且，對於踏板操作盤3的主要領域在沿著其兩側線部 配置的托架彼此之間，收納有具有與該托架的高度略同等 高度的電池盒7 0 1，在此電池盒7 0 1內並列配置複數的二 次電池702。如此將複數的二次電池702配列於同一平面 上，而可將電池搭載空間設定成非常薄。由此一邊確保最 低的地上高度，一邊實現具有寬廣平面的踏板，而使身邊 的有效空間被確保。且，因爲將電池元件700配置在車輛 最下部，所以藉由低重心化，來提高靜的及行走安定性。 此情況，更使轉向軸5 0 1的上半部5 0 1 A朝向單座座 椅地朝後方傾斜配置，同時支撐其的轉向托架1 02也成爲 與該上半部5 0 1 A略平行地彎曲。如此藉由將操舵軸周圍 彎曲而可以將轉向托架1 〇2配置在車體托架1 0 1的最前部 ，配合電池元件7〇〇的配置構造地將踏板空間擴大，而可 以確保身邊的有效空間。且，可以將車輛重心不朝車體後 方偏倚地設定在適切位置，來提高車輛的靜的安定性。 如上述，藉由在轉向托架1〇2及腳（膝周圍）之間形成 空間，就可以將貨物收納裝置14容易且適切地裝架以。 習知車輛中，因前籠是配置於整流罩或轉向軸的前方，所 以乘員是無法搭乘著進行從該前籠內在貨物的取放。本發 明中，因爲配置於乘員的附近位置，所以貨物收納裝置 -22- (19) 1282733 1 4是使用方便，更可預先防止貨物失竊等的事故。 進一步，轉向托架102，因爲是從前托架部106朝上 方立設同一寬度，即不朝車寬方向擴大，可以將轉向托架 1 02配置在中央並確保其左右兩側有效空間。此有效空間 是可利用作爲例如腳置放用，或者是利用作爲置物台等也 可以。 且’在車體托架1 0 1的側部及後部雖具有側部手推把 111及後部手推把112，但這些的手推把除了其原本的功 能’側部手推把1 1 1更加上例如作爲乘降用階段的功能。 且’後部手推把1 1 2是被期待作爲例如後保險桿的功能。 以上，雖是依據實施形態說明本發明，但本發明並非 限定於這些的實施形態，在本發明的範圍內的變更是可能 的。例如轉向軸5 0 1或者是轉向托架1 〇 2的傾斜角度等， 是不限定在圖示例的情況，可依據需要適宜設定。 (發明之效果） 依據本發明，藉由別體構成車體托架及轉向托架就可 將縮小貨物姿態而可輕小化，可以提高使用性並且可以改 善組裝效率。且，藉由將操舵軸周圍朝後方朝適度地彎曲 來擴大踏板空間，就可以確保身邊的有效空間。且，不會 將車輛重心偏向車體後方而可以設定在適切位置，而可以 提高車輛的靜的安定性。 【圖式簡單說明】 -23- (20) 1282733 [第1圖]顯示本發明的小型電動車輛的實施形態的 · 基本結構的前方立體圖。 [第2圖]顯示本發明的小型電動車輛的實施形態的 基本結構的後方立體圖。 [第3圖]顯示本發明的小型電動車輛的實施形態的 - 基本結構的側面圖。 [第4圖]顯示本發明的小型電動車輛的實施形態的 基本結構的平面圖。 φ [第5圖]顯示本發明的小型電動車輛的實施形態的 基本結構的前視圖。 [第6圖]顯示本發明的小型電動車輛的實施形態的 托架元件及電池元件周圍的立體圖。 [第7圖]顯示本發明的小型電動車輛的實施形態的 托架兀件周圍的側面圖。 [第8圖]顯示本發明的小型電動車輛的實施形態的 托架兀件Ml _ 0¾ 胃目。 [第9圖]顯示本發明的小型電動車輛的實施形態的 · 前輪支撐機構周圍的立體圖。 [第1 〇圖]顯示本發明的小型電動車輛的實施形態的 單座座椅的轉動機構周圍的立體圖。 [第1 1圖]顯示本發明的小型電動車輛的實施形態的 電池元件的立體圖。 [第12圖]顯示本發明的小型電動車輛的實施形態的 電池元件分解的立體圖。 -24- (21) 1282733 [第1 3圖]顯示本發明的小型電動車輛的實施形態的 電池元件的側面圖。 [第1 4圖]顯不本發明的小型電動車輛的實施形態的 車輛托架及轉向托架周圍的立體圖。 [第1 5圖（a)(b)]顯示本發明的小型電動車輛的實施 形態的轉向托架的前視圖及側面圖。 [第1 6圖]顯不本發明的小型電動車輛的實施形態的 轉向托架及挾持裝置的立體圖。 [第1 7圖]顯不本發明的小型電動車輛的實施形態的 轉向軸及轉向托架周圍的側面圖。 [圖號 說 明 ] 1 刖 輪 2 後輪 3 踏 板 操 作 盤 4 制動器踏板 7 主 控 制 器 8 充電裝置 9 貨 物 收 納 裝 置 10 開關盒 12 電 線 捲 線 器 盒 13 主按鍵 1 00 托 架 元 件 10 1 車體托架 102 轉 向 托 架 1 03 主托架 1 0 4 後 托 架 1 05 中央托架部 106 W· 刖 托 架 部 1 07 主托架構件 108、 109, ‘ 1 10 架橋構件 114 座 椅 柱 200 前輪支撐機構 20 1 底 基 構 件 202 懸吊臂支架 (22)1282733 203 懸吊 丨臂 204 肘 205 車 軸 206 m 吊 彈 簧 207 支 架 208 主 銷 3 00 後 輪 支 撐機構 301 車 軸 3 02 支 架 3 03 緩 衝 器 400 座 椅 元 件 40 1 座 椅 緩 衝 托架 402 座 椅 背 部托架 403 座 椅 緩 衝 404 座 椅 背 部 405 手 把 500 操 舵 機 構 50 1 轉 向 軸 505 轉 向 把 手 506 加 速 桿 507 支 架 5 07a 夾 具 部 508 中 間 軸 509 導 桿 臂 5 10 肘 臂 5 11 導 桿 5 14 夾 具 構 件 5 15 螺 絲 600 電 源 元 件 60 1 電 動 馬 達 700 電 池 元 件 70 1 電 池 盒 702 二 次 電 池 703 電 池 控 制 器 704 芸 JJXL· 705 底 部 護 板1282733 (1) Field of the Invention The present invention relates to a small-sized electric vehicle, and more particularly to a four-wheeled small-sized electric vehicle that is used by an elderly person or a person whose feet are not free. . [Prior Art] Such a small-sized electric vehicle is called, for example, a Sinai car (trade name), and is used as a means of transportation for elderly people and the like. In the basic structure of such a small electric vehicle, for example, an occupant seat is provided at the rear of the vehicle body, a pedal for the occupant's foot is provided in front of the vehicle body, and a steering shaft for steering the front wheel is further provided in front of the vehicle. A handle is mounted on the upper end of the steering shaft, and the occupant rides the seat to operate the handle. In recent years, small electric vehicles of the Sinai model have expanded their market and are used in a variety of applications. It is known that although the storage space is purchased and used in an extra case, it is expected that the demand for urban residents will increase as the number of elderly people increases. The current situation in the city is that the storage space is easily restricted, and the chances of having to take a ride or the like are gradually increasing. [Problems to be Solved by the Invention] When the entire length of the upper limit of the size is determined in accordance with a conventional form, it is impossible to take it into the elevator, and if the entire length is simply reduced, there is a case where it is disadvantageous. The basic structure of the recent Sonia car is that the steering shaft and the -5- (2) 1282733 hand shaft are arranged in a straight line shape, so that the space between the occupant and the handle is reduced when the entire length of the vehicle is reduced. In addition, the seat is retracted by the reduced portion to secure the space, but if the seat is placed at the rear position, the static stability of the rear portion of the vehicle may be impaired. Further, in order to achieve miniaturization of the small electric vehicle, a power element of an electric motor or a battery that supplies electric power to the power element is provided around the rear wheel of the drive wheel. There is a passenger seat for the passenger, but only the steering gear is provided around the front wheel. Therefore, it is a structure in which the front wheel shares a small load, and thus it is a structure which is unfavorable for stability when it is turned rearward around the rear axle. Further, in the case of the conventional steering device, in order to make the handle feel good, a structure that extends slightly rearward and upward is formed. In this configuration, even if the area of the pedal for pedaling is the same, the steering is performed. The portion of the shaft that is inclined is used to narrow the space of the occupant's foot. Further, the conventional four-wheeled small-sized electric vehicle includes a steering shaft that serves as a steering wheel for the front wheel and a support member for supporting the handle shaft that is attached to the extension line. These are composed of piping materials, shaft brackets, etc., and their height is suppressed to be relatively low. In recent years, there have been many cases in which a fairing (foot guard) is attached around the handle, and a brace or the like is required to mount the fairing. From the point of view of the production or the posture of the goods transported to the assembly workshop, it is not the best policy to integrate such a support column, and it is generally formed into a separate body. Accordingly, an object of the present invention is to provide a small-sized electric vehicle which is capable of achieving substantially reduced size and effective space securing, and which has an advantageous structure in production or assembly - 6 - (3) 1282733. (Means for Solving the Problem) In order to solve the above-described problems, the small-sized electric vehicle of the present invention has a pedal placed on the lower side of the single seat on the bracket, and is operated by being operated by the handle. a pair of left and right front wheels in front of the pedal and a rear wheel provided as a driving wheel that is driven by the lower side of the single seat seat, and are provided to supply electric power to the power pool component A small electric vehicle is characterized in that a handle provided at an upper end is turned to the left and right, and a steering shaft that is upward from a front end portion of the pedal and a hanging end that extends outward in the left-right direction are interposed by a king pin. The front wheel that can be oscillated to the left and right has a steering device that is coupled to each other via a guide arm and an elbow arm, and the device is disposed below the pedal and toward the front end of the front and rear extension bracket of the vehicle, and is rotatable The ground support bracket is detachably provided to the vehicle body bracket. Further, in the small-sized electric vehicle according to the present invention, the front portion is: a main pedal portion having a position slightly shorter than the front surface facing interval and a smaller interval than the front wheel. a front pedal portion extending forward from the main pedal portion to a front portion of the front portion, wherein the vehicle body bracket has a width of the left and right front wheels that are slightly wider than the left and right sides of the main pedal portion. The side edge portion extends forward and backward to form a wheel that is previously supported on the bracket, and is provided on the outer side of the pair of left and right elements of the force element, and the outer side of the arm is extended to the elbow, and the steering of the axle of the steering is described. The pedals, the left and right sides of the wheel face the main pedal, are: and along the main pedal -7- (4) 1282733 邰 central bracket 邰, and the face is smaller than the front and rear of the front wheel a front bracket portion that extends toward the front of the center bracket portion and supports the front wheel and the steering wheel, and forms a front bracket portion of the front pedal portion and a rearward portion from the center bracket portion Supporting the single seat is provided and the rear bracket and the seat and the rear of the power element is constituted. In the small electric vehicle according to the present invention, the center bracket 邰 and the rear bracket are formed by a pair of right and left main bracket members, and the main tray structure is provided. A side push handle that protrudes outward from the center bracket portion on the side of the member, and a rear push handle that protrudes toward the rear of the single seat and that is coupled to the rear ends of the pair of left and right main bracket members. Further, in the small-sized electric vehicle according to the present invention, the steering shaft is divided into an upper half and a lower half at a slightly intermediate portion of an upper end portion to which the handle is coupled and a lower end portion to which the guide arm is coupled, and The upper half and the lower half are connected by a bendable joint means, and the lower half is erected to be slightly vertical while the upper half is inclined rearward toward the single seat. Further, in the small-sized electric vehicle according to the present invention, the steering bracket is bent obliquely rearward in the vicinity of the joint means, and protrudes from the front bracket portion upward by the same width and is detachable. Further, in the small-sized electric vehicle according to the present invention, the steering bracket is detachably attached to and detached from the vehicle body bracket by the holding device. According to the present invention, the body bracket and the steering bracket can be formed by the separate body, and the posture of the cargo can be reduced, and the utility model can be improved, and the usability can be improved and the assembly efficiency can be improved by -8-(5) 1282733. Moreover, by appropriately bending the periphery of the steering shaft toward the rear to enlarge the pedal space, it is possible to secure an effective space around. Moreover, the center of gravity of the vehicle is not biased toward the rear of the vehicle body, and the vehicle can be set at an appropriate position, thereby improving the static stability of the vehicle. [Embodiment] A small electric vehicle of the present invention will be described with reference to the drawings. Figs. 1 to 5 are views showing the overall configuration of a small electric vehicle of this embodiment. This embodiment is an example of a four-wheeled small-sized electric vehicle. For these figures, a pair of right and left front wheels 1 and rear wheels 2 are supported on the front and rear portions of the bracket member 100 including the vehicle body bracket. The front wheel 1 is supported by the front wheel support mechanism 200, and the rear wheel 2 is supported by the rear wheel support mechanism 300. In the vicinity of the rear portion of the bracket member 100, a seat member 4A which forms a single seat for allowing an occupant of one person to seat is supported. In front of the lower side of the single seat, there is a pedal operating panel 3 which forms a low bottom occupant foot pedal which is laid on the vehicle body bracket. At the front of the carriage member 100, there is a snake mechanism 500 that is steered by the handle as the steering wheel of the steering wheel that swings to the left and right. In this example, the rear wheel 2 is a drive wheel and is driven by a power unit 600 including an electric motor provided at the lower rear portion of the single seat. Further, in the present invention, on the lower side of the pedal operation panel 3, a battery element 700 including a secondary battery that supplies electric power to the power element 600 is disposed. The bracket member 100 is also referred to as Fig. 6 to Fig. 8, and is a steering bracket -9 - (6) 1282733 〇 2 which is supported by the vehicle body bracket 10 1 which constitutes the chassis portion and the steering handle. In the configuration, the vehicle body bracket 101 includes a main bracket 1〇3 and a rear bracket 104. The main tray 1〇3 is further constituted by a front bracket portion 1〇6 extending toward the front of the center bracket portion 1〇5 and the center bracket portion 1〇5. The main tray]0 3 includes a pair of main bracket members 1 and 7 disposed in the front-rear direction on the left and right sides, and the main bracket member 1 〇 7 is attached to the center bracket portion 1 〇 5 and the front bracket portion In the vicinity of the boundary of 1 0 6 , a shape in which the tip end is narrowly narrowed as shown in Fig. 8 or the like is formed. The main bracket member 110 is preferably formed of a square pipe material, but is not limited thereto, and may be formed of, for example, a U-shaped steel material or a circular pipe material. In either case, the main bracket member 107 has a fixed degree (thickness in the up and down direction). Further, each of the main bracket members 1 〇 7 is provided with a push handle 111, for example, formed of a circular pipe projecting outward, and in this example, the main bracket member is at the front end portion thereof. And the three bracket members 1 0 8 , 1 0 9 , and 1 1 0 are placed in the vicinity of the boundary between the center bracket portion 1 0 5 and the front bracket portion 1 〇 6 and the rear end portion, thereby securing the main bracket 1 〇3's high rigidity. The bridge members 1 0 8 and 1 0 9 are formed to be curved downward as shown in Fig. 7, and the base members of the front wheel support mechanism to be described later are disposed on the bridge members 108 and 109. However, in the actual vehicle, as shown in Fig. 7, the main bracket 203 is inclined in a moderately upward direction. At this time, the base member of the front wheel support mechanism is a rotation shaft and a king pin of a suspension arm which will be described later. The rear tilt angles (the caster caster angles) are supported vertically upwardly and obliquely toward the front. Here, the 'steering bracket 102', as shown in Fig. 9, is formed by the four fitting pipes 102a to d on the inner side of the front end portion of the front bracket portion 106, and is integrally stood -1 - (7) 1282733 Set up support. Although the steering bracket 1 〇 2 is vertically erected from the front bracket portion 1 〇 6 (main bracket member 107), as described above, since the main bracket 1 〇 3 is inclined upward toward the front, the steering bracket 1 转向2 is also moderately tilted toward the side of the single seat. However, the steering bracket 102 is preferably formed of a square tube. The rear brackets 104 are disposed obliquely rearward and upward from the vicinity of the rear end portions of the respective main bracket members 070, and are joined to each other at the rear end portions by hand pushing. In the middle of the front-rear direction of the rear bracket 1 〇4, a bridging member 1 1 3 having a slightly arched shape or a table shape is transversely mounted, and a supporting seat member 4 0 0 is mounted on the upper portion of the bridging member n 3 . Seat column 1 1 4 for use. The rear bracket 1 〇 4 or the bridge member 1 1 3 is preferably formed of a square pipe material, but is not limited thereto, and may be formed of, for example, a U-shaped steel material or a circular pipe material. At the rear end portion of the rear bracket 104, the cross member has a bridging member 1 15 which is curved to protrude downward. The front wheel support mechanism 2000 can support the front wheel 1 so as to be rotatable and swingably supported, but includes the base member 20 1 as a support portion held under the front bracket portion 1 〇6, and is fixed to The suspension arm brackets 20 2 ′ on the base member 203 and the suspension arm brackets 208 are slidably supported in the vertical direction and are extended outward from the center portion of the vehicle in the left-right direction. The outer end portion is a suspension arm 2 〇3 that rotatably supports the front wheel 1. Here, mainly by the front wheel support mechanism 200, the front side of the front and rear front wheels 1 of the battery case described later is formed to extend to the left and right, and is protruded toward the lower side of the battery case. A protruding structure formed by a rigid member. In other words, the protruding structure is as shown in Fig. 1 to Fig. 5 or Fig. 7 or the like, and is a base 11 - (8) 1282733 base member 201 which is disposed to protrude from the lower side of the front bracket portion 106. And a suspension arm bracket 2〇2, a suspension arm 203, and the like, and by providing such a protruding structure on the front side and the lower side of the battery case, a barrier having a battery case functioning as a power supply device of the vehicle is formed. Or protection means to effectively protect fragile power supply units. However, even if it has such a protruding structure which protrudes toward the downward direction of the front bracket part 106, in the actual vehicle, since the pedal 3 is inclined to the front and is inclined (refer to FIG. 7), it does not protrude downward. It can effectively ensure the lowest ground height. For the front wheel support mechanism 200, also referring to Fig. 9, on the base member 201 disposed on the bridge members 1 〇8, 1 0 9 of the main bracket 110, respectively, for the left and right suspension arms 2 0 3 has two suspension arm brackets 2 〇2. Each of the suspension arms 203 is a two-strand shape that branches forward and backward, and the two base ends (inner end) of the two branches are rotatably pivoted upward and downward by two suspension arm brackets 202. support. At the tip end of the suspension arm 203, the C-shaped elbow 2 0 4 (front wheel steering elbow) is axially rotatably rotated left and right across the kingpin 2 0 8 . The axle 2 0 5 is extended horizontally at the elbow 2 04, and the front wheel 1 is rotatably supported on the axle 2 0 5 . A bracket 207 for mounting the suspension spring 206 is fixed to the outer side of the front bracket portion 106, and is disposed between the bracket 2〇7 and the suspension arm 203 (the front side of the two-legged branch) There is a suspension spring 2 06. The rear wheel support mechanism 300 is supporting the rear wheel 2° in cooperation with the power component 600. In this case, the power component 600 is a reduction gear group including an electric motor and an output shaft thereof, and the final gear is The fulcrum is the axle 3 0 1 that becomes the rear wheel 2. The front end side of the power unit 60 is supported by a bracket 306 (refer to Figs. 1 to 3 and the like) fixed to the rear end of the main frame member ○7 by the shaft -12-(9) 1282733. The rear end side of the power element 6 Ο 0 is coupled to the lower end of the damper 3 Ο 3 . The upper end of the damper 300 is axially supported by a bracket 404 fixed to the rear end of the rear bracket 1 〇4. However, the damper 300 may also utilize a compression coil spring or oil pressure or the like. For the seat member 400, the seat cushion bracket 4 〇1 and the seat back bracket 420 formed of a square pipe or the like are integrally joined in a slightly L shape and the seat cushion bracket 4 is provided. The 0 1 is formed to be supported slightly on the seat post 1 1 4 horizontally. In this case, the seat member 400 is rotatable to the left and right, and is optionally supported to be fixed at a plurality of angular positions during its rotation. A seat cushion 406 as an elastic body is attached to the seat cushion bracket 4 Ο 1, and a seat back portion 404 as an elastic body is attached to the seat back bracket 420. At a moderate height position of the seat back bracket 4 02, the handle 450 is rotatably supported. As shown in FIG. 3, the occupant seated on the seat member 400 supported on the seat post 1 14 can place the foot on the pedal operating panel 3 and can be stepped on the front of the pedal operating panel 3. The foot brake 4 near the part 〇 Here is a configuration example of the rotation support mechanism of the single seat. In the first drawing, the seat cushion bracket 704 is coupled to the lower base bracket 460, and the seat pipe 407 is suspended from the g-base bracket 4〇6. On the other hand, the seat post 1 I4 is fitted with a pipe bracket 4〇8, and the pipe bracket 408 is rotatably fitted with the seat pipe 4〇7. Thus, the single seat can be rotated about the seat cushion bracket 4 〇 1 . However, the pipe bracket 4 〇 8 is detachable from the seat post 114. And the lever bracket 4 having the bearing 4 〇 9; 1 固定 is fixed to the front of the base branch -13- (10) 1282733 frame 406. The bearing shaft 4 1 1 is inserted into the rotating shaft 4 1 1 , and the rotating shaft 4 1 ] is formed by being extended outward and appropriately bent as shown in the drawing. A claw piece 4 1 4 projecting downward from the opening 4 1 3 opened by the base bracket 460 is fixed to the rotating shaft 4 1 . By the operation of the operating lever portion 4 1 2, the claw piece 4 can be obtained. 4 turns. The claw piece 4 14 has a hole 414a that engages with a tooth of a stopper plate to be described later. On the other hand, at the upper end of the pipe bracket 408, a stopper plate 4 15 is fixed, and at the outer peripheral portion of the stopper plate 4 15 , a plurality of teeth 4 16 are provided at a moderate angular interval. Both sides of each of the teeth 4 16 are cut off as a play, thereby being engageable with the claw piece 4 14 . The single seat is supported on the seat post 1 1 4 by inserting the seat pipe 407 into the pipe bracket 408. In this case, by operating the lever portion 4 1 2 to engage the claw piece 4 1 4 with the desired tooth 4 16 , the single seat can be selectively fixed to the desired angular position. With respect to the steering mechanism 500 - referring to Fig. 5 or Fig. 9, etc., the steering shaft 502 is rotatably held by the plurality of brackets 502 on the inner side of the steering bracket 102. The steering shaft 501 is bent in the middle portion in the longitudinal direction via the universal joint 5〇3, and is inclined toward the single seat side. The steering handle 505 is supported at the upper end portion via the bracket 504. The front portion of the steering handle 205 is cut to form a U-shape, and the bracket 504 attached to the accelerator lever 506 is rotated while holding the appropriate position of the steering handle 505. A bracket 507 is attached to the inner side of the front end portion of each of the main bracket members 107 of the front bracket portion 〇6. The bracket 507 is provided with a rotatably supported lower end of the steering shaft 501. Hub. On the rear side of the steering shaft -14 - (11) 1282733 5 Ο 1 on the bracket 507, an intermediate shaft 508 having a gear meshing with a gear provided at the lower end of the steering shaft 5 Ο 1 is disposed. Although the guide arm 5 0 9 is fixed to the intermediate shaft 5 0 8 , but the steering shaft 5 Ο 1 is rotated to the right or left, the guide arm 5 〇 9 is moved to the right or left side via the intermediate shaft 5 0 8 Turn. For each front wheel 1, the elbow arm 5 10 and the guide arm 5 0 9 fixed to the elbow 2 04 are coupled to each other via a guide rod 51 1 . By rotating the steering handle 505 toward the right and left, the front wheel 1 can be steered right or left across the steering shaft 5 Ο 1, the intermediate shaft 5 0 8 , the guide arm 5 0 9 and the guide rod 5 1 1 . . By providing the intermediate shaft 508 in this manner, the front wheel 1 can be steered in the same direction as the direction of rotation of the steering handle 5 〇 5 . In this case, the steering angle and the steering force can be appropriately set by appropriately selecting the gear ratio of the gear on the steering shaft 5 Ο 1 side and the gear on the intermediate shaft 508 side. The power element 600 supports the rear wheel 2 in cooperation with the rear wheel support mechanism 300 as described above. The battery element 700 described later supplies electric power to the power unit 600 and drives the electric motor 610. With respect to the battery element 700 of the present invention, in the main field of the pedal (or the pedal operating panel) 3 as shown in Fig. 8, the brackets disposed along the side edges thereof are accommodated with each other. The battery case 7〇1 has a height equal to the height of the bracket, and a plurality of secondary batteries 7 0 2 are disposed in the battery case 701. On the side of the drawing, a plurality of secondary batteries 7 〇 2 are arranged in two rows in front and rear on the same plane. Here, the 'pedal 3' is a wide main pedal portion 5 which is located at a position rearward of the front wheel 1 and which has a width corresponding to the left and right facing faces of the front wheel 1, and is smaller than the left and right facing faces of the front wheel 1 and A -15-(12) 1282733 which is smaller than the main pedal portion 5 is formed to extend forward of the front pedal portion 6 toward the front of the main pedal portion 5. The main field of the pedal 3 is constituted by the main pedal portion 5, and a battery case 701 is disposed in this portion. Further, the center bracket portion 1 〇 5 of the main tray 1 〇 3 extends forward and backward along the left and right line portions of the main pedal portion 5. The front bracket portion 丨〇 6 is extended toward the front of the center bracket portion 1 〇 5 with respect to the interval between the left and right facing surfaces of the wheel 1 . In this example, the battery case 70; i is disposed between the main bracket members 107 constituting the center bracket portion 〇 5 . As shown in Fig. 1, the battery case 701 has a slightly thin box shape and has a height equal to that of the main bracket member 107. Further, the battery case 70 is disposed on the lower side of the main pedal portion 5 and disposed between the main bracket members i 07. The dry secondary battery 702 used in the present invention typically uses a lithium ion battery, and such a dry secondary battery usually packs a plurality of batteries. In this case, in order to increase the density of a large-sized battery module and to perform staggered stacking, it becomes quite significant. In this embodiment, since the front and rear wheels 1 are provided as described above, the main pedal portion 5 can be formed to have a wide area which is slightly equal to the right and left facing faces of the front wheel 1, so that the front and rear sides can be arranged on the same plane. The column totals 8 secondary batteries 7 0 2 . By making the width (diameter) of the secondary battery 702 equal to or slightly higher than the height of the main tray member 107, the battery mounting space can be made very thin. At the bottom of the battery case 701, as shown in Fig. 2, there are a plurality of concavo-convex holding portions formed in the outer shape of the secondary battery 702. In this embodiment, the retaining portion is formed with a plurality of half-moon ribs 7 0 1 a. By arranging the secondary battery 702 on the same plane as described above, the secondary battery -16 - (13) 1282733 7 〇2 must be fixed to the battery case 7〇1 without vibration or the like. By providing the half-moon ribs 70 1 a, the secondary batteries 702 are appropriately fixed so as not to dry out. The battery case 7 〇1 is a mounting portion 7 0 1 b having a flange shape on the right and left sides, and is mounted by a small screw or the like while the mounting portion 701b is placed on the main bracket member 1〇7. The main bracket member 1 0 7 . In this case, the insertion hole 7 0 1 c of the mounting small screw is provided. A battery controller (substrate) 703 is disposed on the front side of the battery case 701, that is, on the front side of the secondary battery 702 on the front row side via the holder 701d. The battery controller 7 〇 3 is controlled so as not to cause a difference in capacity or potential difference between the secondary battery 7 0 2 (battery), but is set to be vertical to the bottom of the battery case 701. Thus, the battery controller 703 is set to be vertical between the parts around the front suspension and the secondary battery 702, so that the space in the front-rear direction can be effectively utilized. However, even if the battery controller 703 is vertically disposed, in the actual vehicle, since the pedal is inclined upward toward the front, it does not protrude downward, and the lowest ground height can be effectively ensured. As shown in Fig. 12 or Fig. 13, in the upper portion of the battery case 701, a flat cover 7〇4 is covered. The cover 704 has a shape integrated with the upper opening of the battery case 701, and a plurality of claw pieces 704a are suspended from the peripheral portion of the lower surface thereof. The battery case 701 is provided with a plurality of engaging portions 701e corresponding to the claw pieces 704a, and the cover piece 704 is fixed by the claw piece 7 (Ha is engaged with the engaging portion 701e. However, the pair of the battery case 701 and the cover 704 is fixed. The sealing portion is provided with a gasket so as not to invade the battery case 701 by water or dust. By covering and fixing the cover 704 to the battery case 701 in which the secondary battery 702 is housed, the battery or the battery can be constructed. Battery plastic box -17- (14) 1282733 Also, as shown in Fig. 3, on the upper side of the battery or battery plastic case, that is, the upper side of the cover 74 is provided with the pedal operating panel 3. The pedal operating panel 3 is In a state of being placed on the mounting portion 7 〇 b b of the battery case 701 through the spacer, the main cradle member 1 〇 7 is worn by a small Φ wire or the like. In this case, the pedal operation panel The peripheral portion of 3 is provided with an insertion hole 3a for mounting small screws, and 'the mounting portion 7 0 1 b is also provided with an insertion hole 70 1 f corresponding to the insertion hole 3 & position 电池 in the battery or the battery The lower side of the plastic case, that is, the lower side of the battery case 7 is a bottom plate 7 0 5 which is arranged in a flat shape. The bottom cover 70 5 is used to cover the electricity. The lower portion of the case 701 is attached to the bridging member 1 〇9 and the bridging member 1 1 0 by means of a small screw or the like (refer to Fig. 6 and the like). In this case, the front edge and the trailing edge of the bottom guard 750 are provided. The insertion holes 705a and 705b (FIG. 12) are provided with small screws for mounting. Further, the small electric vehicle according to the present invention is referred to the above drawings, and is disposed in a single seat disposed behind the pedal 3. The lower front half is provided as shown in FIG. 3 and the like, and is provided with a main controller 7 that electronically controls the electric power supplied to the electric motor 6001 of the power unit 600, and for charging to the battery element. The charging device 8 of the secondary battery 702 of 700. The main controller 7 and the charging device 8 are covered by a body cover (not shown) integrally formed from the pedal 3 so as not to be exposed to the outside. A space between the pair of left and right rear wheels 2 located behind the main controller 7 or the like is mounted with a box-shaped or cage-shaped cargo storage device 9, and the upper portion of the cargo storage device 9 is opened to carry the goods. Waiting for the opening 9a for access. As mentioned above, the single seat is above the seat post 114 Near position, -18- (15) 1282733 is rotatably supported around the seat post 1 1 4. By properly rotating the single seat, the single seat can be placed in the cargo receiving device 9 A part or all of the opening 9a is covered open and closed from above. On the other hand, for the upper portion of the steering bracket 102, a switch box (operation panel) 1 is mounted at a position near the front of the steering handle 505. The switch case 1 〇, as shown in Fig. 7, is supported by a slightly-shaped bracket 1 1 fixed to the upper end of the steering bracket 1 〇2. Although the switch box 10 is equipped with various switches, it is equipped with switches such as a front-rear switching knob, a speed setting knob, a battery residual display, a charging lamp, and even a left and right direction light switch and a horn button. The switch case 1 〇 is placed at an appropriate position in the vicinity of the front side of the steering handle 505, and the switches required for the operation operation are easily positioned in the hand, and the display contents of the display lamp and the like are easily seen by the eyes. position. Therefore, the occupant seated in the single seat can easily and surely operate the switch of the switch box 1 〇. At this time, the accelerator lever 506 can be operated as needed. Further, the wire reel case 12 in which the electric wire reel is housed in the vicinity of the lower side of the switch case 1 is attached to the steering bracket 1 〇 2. The charging wire that is urged in the winding direction in the wire reel is releasably retracted, and the charging wire is connected to the charging device 8. When the secondary battery 702 of the battery element 700 is charged, the charging wire is discharged from the wire reel box 12, and the charging device 8 is connected to the external power source through the charging wire. In the upper portion of the steering bracket 102, the main button 13 is attached, for example, by the bracket 502. The main button]3 is a position that is easy to operate in the occupant capacity of the single seat -19- (16) 1282733. Below the main button 13 is a cargo storage device 14 in which a steering bracket 1 0 2 box or a cage is mounted, and an opening of the cargo storage device 14 is provided with an opening for taking in cargo or the like. In the above case, each component is covered by a body cover formed of plastic or synthetic resin. The vehicle as a whole can be designed to have a predetermined appearance and new style. In this case, a foot guard or the like is integrally provided around the steering bracket 102, and a front fender and a rear fender are attached around the front wheel 1 and the rear wheel 2, respectively. Further, the actual vehicle is equipped with the safety or security parts required for walking. Such equipment includes: headlights, signal lights, killer lights, side mirrors, or horns, and other parts are added as needed. Here, the steering bracket 1 〇 2 protrudes from the front bracket portion 1 〇 6 upward by the same width as shown in Fig. 14. Further, in the present invention, in particular, the steering bracket 102 is detachably provided to the vehicle body bracket 1 藉 1 by a holding device which will be described later. In this case, as shown in Fig. 15 at the lower end of the steering bracket 1 〇 2, for example, the brackets 507 which are in the form of seagull wings are welded, and both are integrated. However, a steering shaft mounting boss portion 512 and an intermediate shaft mounting boss portion 51 1 are disposed in the recessed portion of the bracket 507. In the holding device, the front bracket portion 106 is held from above and below, and the steering bracket 102 is contracted and fixed as in the front bracket portion 1 〇 6. In this case, the clamp portion 5 0 7 a of the bracket 507 and the clamp member 5 1 4 composed of the other body hold the front bracket portion 106 from the upper and lower sides as shown in FIG. The portion 507a and the clamp member 514 are screwed to each other to mount the steering bracket 1〇2. Thus, the "body bracket" 01 and the steering bracket 102 are first formed separately, and are detachably coupled by the 挟-20-(17) 1282733 holding device. Further, in the present invention, as shown in Fig. 17, the steering shaft 501 is divided into the upper half by the upper end portion of the lower end portion where the steering handle 605 is coupled and the lower end portion of the guide arm 090. Part 5 0 1 A and lower part 5 0 1 B. The upper half 5 0 1 A and the lower half 50 0 B are connected by a universal joint 503 which is a flexible joint means. In this case, the lower half 50 1B is vertically erected from the front bracket portion 106, and the upper half portion 501 is disposed to be inclined rearward toward the single seat. As described above, the steering bracket 102 protrudes upward from the front bracket portion 1A6. However, as is apparent from the seventh embodiment, the steering bracket 102 is bent obliquely toward the rear in the vicinity of the universal joint 5?3 of the steering shaft 501. In this case, the piping materials 1 0 2 a, 1 0 2 b on the front side of the steering bracket 1 〇 2 are bent in parallel with the upper half 50 1 A of the steering shaft 501. For the practical use of the small-sized electric vehicle of the present invention, the occupant riding the single-seat seat holds the steering handle 505, pulls the accelerator lever 506, or steps on the foot brake 4 to walk the vehicle. In this case, power is supplied from the battery element 700 housed on the lower side of the pedal operation panel 3 to the power element 600, and the rear wheel 2 is driven by the electric motor 610 of the power unit 600, so that the occupant can smoothly Drive small electric vehicles appropriately. Next, the small electric vehicle of the present invention, in particular, the body bracket 01 and the steering bracket 102 are separately constructed, and the steering bracket is made! 〇 2 is set to be loaded and unloaded by the holding device. According to this configuration, the posture of the article can be reduced and the size of the object can be reduced, and the convenience at the time of shipment to, for example, an assembly plant can be greatly improved. Moreover, assembly efficiency can be improved by partially assembling the -21 - (18) 1282733 pieces around the steering gear and by purchasing in a partially assembled state. Since the steering bracket 102 is attached to the vehicle body bracket 110 by the holding device, no special processing is required in the vehicle body bracket 101, and labor and time are not required in assembly, and no travel can be performed. The gap is assembled with high precision. Further, in the main field of the pedal operation panel 3, between the brackets disposed along the line portions on both sides thereof, a battery case 701 having a height equal to the height of the bracket is accommodated, and the battery case 7 0 is here. A plurality of secondary batteries 702 are arranged in parallel in one. Thus, the plurality of secondary batteries 702 are arranged on the same plane, and the battery mounting space can be set to be very thin. Thereby, while ensuring the lowest ground height, a pedal having a wide flat surface is realized, and the effective space around the side is secured. Further, since the battery element 700 is disposed at the lowermost portion of the vehicle, the static centering and the walking stability are improved by the low center of gravity. In this case, the upper half 50 1 A of the steering shaft 50 1 is inclined toward the rear toward the single seat, and the steering bracket 102 supporting the same also becomes slightly smaller than the upper half 5 0 1 A. Bend in parallel. By bending the steering shaft around the steering bracket 1 〇 2, the steering bracket 1 〇 2 can be disposed at the foremost portion of the vehicle body bracket 110, and the pedal space can be enlarged in accordance with the arrangement of the battery elements 7〇〇, thereby ensuring the sideways Effective space. Moreover, the vehicle's center of gravity can be set to a proper position without biasing toward the rear of the vehicle body to improve the static stability of the vehicle. As described above, by forming a space between the steering bracket 1〇2 and the foot (around the knee), the cargo storage device 14 can be easily and appropriately mounted. In the conventional vehicle, since the front cage is disposed in front of the fairing or the steering shaft, the occupant cannot take the cargo from the front cage. In the present invention, since it is disposed in the vicinity of the occupant, the cargo storage device -22-(19) 1282733 1 4 is convenient to use, and it is possible to prevent accidents such as theft of the cargo in advance. Further, since the steering bracket 102 is erected from the front bracket portion 106 to the upper side, i.e., does not expand in the vehicle width direction, the steering bracket 102 can be disposed at the center and the effective space on the left and right sides can be secured. This effective space is available for use as, for example, a foot, or as a storage stand. And 'the side of the body bracket 1 0 1 and the rear part have the side push handle 111 and the rear push handle 112, but these push handles in addition to their original function 'side push handle 1 1 1 Further, for example, it functions as a stage for boarding and landing. And the 'rear pusher 1 1 2 is expected to function as, for example, a rear bumper. The present invention has been described above based on the embodiments, but the present invention is not limited to the embodiments, and modifications within the scope of the invention are possible. For example, the steering shaft 510 or the inclination angle of the steering bracket 1 〇 2 is not limited to the illustrated example, and may be appropriately set as needed. (Effects of the Invention) According to the present invention, the vehicle body bracket and the steering bracket can be formed by a separate body, and the cargo posture can be reduced, and the utility model can be improved, and the usability can be improved and the assembly efficiency can be improved. Moreover, by appropriately bending the periphery of the steering shaft toward the rear to enlarge the pedal space, it is possible to secure an effective space around. Moreover, the center of gravity of the vehicle is not biased toward the rear of the vehicle body, and the vehicle can be set at an appropriate position, thereby improving the static stability of the vehicle. [Brief Description of the Drawings] -23- (20) 1282733 [Fig. 1] A front perspective view showing a basic configuration of an embodiment of a small-sized electric vehicle according to the present invention. [Fig. 2] A rear perspective view showing a basic configuration of an embodiment of a small-sized electric vehicle according to the present invention. [Fig. 3] A side view showing a basic configuration of an embodiment of a small-sized electric vehicle according to the present invention. Fig. 4 is a plan view showing a basic configuration of an embodiment of a small-sized electric vehicle according to the present invention. φ [Fig. 5] A front view showing the basic configuration of an embodiment of the small-sized electric vehicle according to the present invention. Fig. 6 is a perspective view showing a periphery of a carrier member and a battery element in an embodiment of the small-sized electric vehicle according to the present invention. Fig. 7 is a side view showing the periphery of a bracket member of the embodiment of the small-sized electric vehicle according to the present invention. [Fig. 8] A bracket member M1_ 03⁄4 showing an embodiment of the small-sized electric vehicle according to the present invention. [Fig. 9] A perspective view showing a periphery of a front wheel support mechanism according to an embodiment of the small-sized electric vehicle according to the present invention. [Fig. 1] A perspective view showing a periphery of a turning mechanism of a single seat of the small electric vehicle according to the embodiment of the present invention. [Fig. 1] A perspective view showing a battery element of an embodiment of a small-sized electric vehicle according to the present invention. Fig. 12 is a perspective view showing the exploded state of the battery element of the embodiment of the small-sized electric vehicle according to the present invention. -24- (21) 1282733 [Fig. 1 3] A side view showing a battery element of an embodiment of the small-sized electric vehicle according to the present invention. [Fig. 14] A perspective view of a vehicle bracket and a steering bracket around the embodiment of the small electric vehicle according to the present invention. [Fig. 15 (a) and (b)] is a front view and a side view showing a steering bracket according to an embodiment of the small electric vehicle according to the present invention. Fig. 16 is a perspective view showing a steering bracket and a holding device of the embodiment of the small-sized electric vehicle according to the present invention. [Fig. 17] A side view showing a steering shaft and a periphery of a steering bracket according to an embodiment of the small-sized electric vehicle according to the present invention. [Description of the figure] 1 刖 wheel 2 rear wheel 3 pedal operation panel 4 brake pedal 7 main controller 8 charging device 9 cargo storage device 10 switch box 12 wire reel box 13 main button 1 00 bracket component 10 1 body support Rack 102 Steering Bracket 1 03 Main Bracket 1 0 4 Rear Bracket 1 05 Central Bracket Section 106 W· 刖 Bracket Section 1 07 Main Bracket Member 108, 109, ' 1 10 Bridging Member 114 Seat Post 200 Front Wheel Support mechanism 20 1 Base member 202 Suspension arm bracket (22) 1282733 203 Suspension arm 204 Elbow 205 Axle 206 m Suspension spring 207 Bracket 208 Main pin 3 00 Rear wheel support mechanism 301 Axle 3 02 Bracket 3 03 Buffer 400 Seat element 40 1 seat cushion bracket 402 seat back bracket 403 seat cushion 404 seat back 405 handle 500 steering mechanism 50 1 steering shaft 505 steering handle 506 acceleration lever 507 bracket 5 07a clamp portion 508 intermediate shaft 509 Guide arm 5 10 elbow arm 5 11 guide 5 14 Clamping member 5 15 screw 600 power source component 60 1 electric motor 700 battery element 70 1 battery box 702 second battery 703 battery controller 704 芸 JJXL· 705 bottom guard
-26--26-