200404695 Π) 玖、發明說明 【發明所屬之技術領域】 本發明是關於遮蓋在前端具備有可自由轉向地支承方 向把手的頭管之車體骨架的車體外殼上’裝設有被配置在 前述車體骨架上所搭載之引擎的上方之騎乘者乘坐用的座 墊，並且能讓騎乘者的雙腳擺放之置腳板配置在前述方向 把手與前述座墊之間所形成的速克達型機車，特別是關於 用來防止泥水等從置腳板的下方飛濺到引擎側之構造。 【先前技術】 爲了防止泥水等飛濺到引擎側，日本專利第2788471 號公報所揭示之速克達型機車係用大型的底盤外殼來遮蓋 全體置腳板的下面。 〔發明所欲解決之課題〕 但是，以上述先前的方式採用大型的底盤外殻則會導 致零件成本的增加。 本發明係有鑑於上述的問題點而創見，其目的爲提供 一種可達成零件成本的減少，並且防止泥水等飛濺到引擎 側之速克達型機車。 【發明內容】 〔用以解決課題之手段〕 爲了達成上述目的，本發明的申請專利範圍第i項是 -6 - (2) (2)200404695 針對遮蓋在前端具備有可自由轉向地支承方向把手的頭管 之車體骨架的車體外殼上，裝設有被配置在前述車體骨架 上所搭載之引擎的上方之騎乘者乘坐用的座墊，並且能讓 騎乘者的雙腳擺放之置腳板配置在前述方向把手與前述座 墊之間所形成的速克達型機車，其特徵爲：前述車體骨架 係具備有通過前述置腳板的下方之底盤骨架部，在該底盤 骨架部的後端裝設有防止泥水等飛濺到前述引擎側之土除 構件。 依據此構成，因在底盤骨架部的後端裝設有土除構件 ，所以比採用大型的底盤外殼之先前的土除構件更能減少 零件成本，並且能防止泥水等飛濺到引擎側。 而且本發明的申請專利範圍第2項，係除了上述申請 專利範圍第1項所記載之發明的構成以外，前述車體骨架 係由具備有朝該車體骨架的左右方向延伸而被固定裝著於 前述底盤骨架部的後端之橫向管，來讓前述土除構件至少 以從前方遮蓋該橫向管的方式所形成，依據此構成，幾乎 含括車體骨架的左右方向之全體都能防止泥水飛濺到引擎 側。 本發明的申請專利範圍第3項，係除了上述申請專利 範圍第1或2項所記載之發明的構成以外，至少在前述土 除構件的前面之下部，形成有向前上傾斜之傾斜面，依據 此構成，藉由將飛濺到土除構件的泥水等導引向土除構件 的後下方，而能更確實地防止泥水等飛濺到引擎側。 本發明的申請專利範圍第4項，係除了上述申請專利 -7- (3) (3)200404695 範圍第1〜3項之任一項所記載之發明的構成以外，在前述 置腳板裝設有收納蓄電池之蓄電池收納箱’在該蓄電池收 納箱的後壁裝設有引進到蓄電池收納箱內之配線用的開口 部，讓從後方側遮蓋該開口部之遮蔽壁一體地形成在前述 土除構件，依據此構成，因用土除構件的遮蔽壁來遮蓋蓄 電池收納箱所具備之配線用的開口部，所以不用裝設專用 的零件仍能防止泥水等侵入到蓄電池收納箱內。 本發明的申請專利範圍第6項，除了上述申請專利範 圍第2項所記載之發明的構成以外，前述土除構件係以遮 蓋前述橫向管的兩端開口部之方式所形成，依據此構成， 不須要對封閉橫向管之兩端進行加工，而能減少加工工時 〇 而且本發明的申請專利範圍第7項，除了上述申請專 利範圍第1項的所記載之發明的構成以外，線束及電纜線 類的支承部被一體地形成在由合成樹脂所構成之前述土除 構件上，依據此構成，能用土除構件來支承被配置在土除 構件的鄰近之線束及電纜線類，不須要用來支承線束及電 纜線類之專用的零件，可助於減少零件之件數。 【實施方式】 以下，根據添附之圖所示之本發明的實施例說明本發 明的實施形態。 第1〜23圖係顯示本發明的一實施例。第1圖爲速克 達型機車之側面圖，第2圖爲在省略車體外殼及收納箱的 -8 - 200404695 ⑷ 狀態下的速克達型機車之後部立體圖。第3圖爲車體骨架 之側面圖。第4圖爲第3圖的箭號4方向之擴大圖。第5 圖爲從第4圖除去土除構件及防震連桿的狀態之平面圖。 第6圖爲第1圖箭號6指示部之擴大縱剖面圖。第7圖爲 第4圖的線7 - 7之剖面圖。第8圖爲防震連桿之平面圖。 第9圖爲省略車體外殻及收納箱的狀態下之速克達型機車 的中間部立體圖。第1 〇圖爲從上方直視空氣濾淸器及連 結管之平面圖。第11圖爲在省略空氣濾淸器的狀態下沿 著第10圖的線11 -11之側面圖。第1 2圖爲從後方直視已 省略車體外殻的狀態之速克達型機車的上部之圖。第1 3 圖爲用來表示對吸氣管的上游端之後骨架管的連接部之重 要部位凹陷部之剖面圖。第14圖爲表示二次空氣控制閥 的構成之縱剖面圖。第15圖爲第6圖的線15-15之剖面 圖。第16圖爲置腳板之立體圖。第17圖爲置腳板的一部 分之平面圖。第18圖爲土除構件之正面圖。第19圖爲第 18圖的箭號19方向之側面圖。第20圖爲第19圖的箭號 20方向之平面圖。第21圖爲第18圖的線21-21之剖面 圖。第22圖爲第18圖的線22-22之剖面圖。第23圖爲 第18圖的線23-23之剖面圖。 首先，第1〜5圖之中，速克達型機車的車體骨架25 係具備有：讓頭管26固定裝著在前端之主骨架管27、及 被呈直角固定裝著在該主骨架管27的後端之橫向管28、 及讓前端分別連接裝設在橫向管28的兩端部之左右一對 的後骨架管29、30。 -9 - (5) 200404695 主骨架管27係由從頭管26朝後下傾斜之向下骨架 2 7 a、及從向下骨架部2 7 a的後端大致呈水平朝後力％ 之底盤骨架部27b被一體地連接裝設；所組·成’在底盤胃 部2 7 b的後端部形成有朝上下方向壓扁所形成之筒狀的 膠支承部3 1。橫向管28係朝車體骨架25的左右方向 伸，將該橫向管28的軸方向中央部以貫穿前述橡膠支 部31的方式，橫向管28的軸方向中央部呈直角固定裝 在主骨架管27的後端部。另外，在橫向管28與主骨架 27之間裝設有用來補強橫向管28及主骨架管27的連 裝設部之上下一對的輔強構件32、33。 左右一對的後骨架管29、30係由從前述橫向管28 兩端部朝後上延伸之向上骨架部29a、30a ;及從向上 架部29a、30a的後端大致呈水平朝後方延伸並且讓後 部開口相對向的方式在水平面內加以彎曲之上部骨架 2 9b、3 0b被一體地連接裝設而組成。 在前述頭管26可轉向地支承跨過前輪WF之前叉 ，在前叉34的上端連結有方向把手35。 由配置在後輪WR的前方側之引擎E、及配置在後 WR的左側方之無段變速機Μ所組成的動力單元P可上 擺動地被支承在車體骨架25之兩後骨架管29、30的前 部，後輪WR係被軸支在動力單元Ρ的後端部。而且引 Ε係大致呈水平配置有氣缸之單氣缸的4衝程引擎，無 變速機Μ係例如皮帶式。 在動力單元Ρ的後端部與左右一對的後骨架管29 部 伸 架 橡 延 承 著 管 接 的 骨 端 部 34 輪 下 丄山 m 擎 段 -10- 529 200404695 ⑹ 伸 在 E 間 動 連 刖 設 、 刖 轉 4 2 定 及 連 被 熔 刖 兩 30之中的左側的後骨架管29之間裝設有後避震單元36 另外，引導從引擎E的排氣之排氣管37爲從引擎E延 到後輪WR的右側方側，該排氣管3 7係連接到被配置 後輪W R之右側方的排氣滅音器3 8。 可收納安全帽等的收納箱3 9，以配置在前述引擎 的上方的方式被支承在兩後骨架管29、3 0的前端部之 ，在兩後骨架29、30的後端部之間支承有燃料箱40。 可是，動力單元P係隔著防震連桿41可以上下擺 地被支承在車體骨架25上，參照第6〜8圖說明該防震 桿4 1的構造。 防震連桿4 1係具備有：裝設在動力單元P之靠近 方的下部之左右一對的引擎側托架42、42 ;及分別裝 在車體骨架25的兩後骨架管29、30之向上骨架部29a 3 0 a的下部之左右一對的骨架側托架4 3、4 3 ;及配置在 述兩引擎側托架42、42間之圓筒狀轉動筒44 ;及以可 動地支承該轉動筒44的方式裝設在兩引擎側托架4 2、 間之連結軸42 ;及形成於橫剖面矩形的筒狀而一端固 裝著在前述轉動筒4 4之左右一對的連桿構件4 6、4 6 ; 配置在前述兩骨架側托架43、43間並且固定裝著前述 桿構件4 6、4 6的另一端之圓筒狀的外筒4 7 ;及同軸地 配置在該外筒47內之圓筒狀的內筒48 ;及內周分別被 接在內筒4 8的兩端部並且外周分別被熔接在被壓入到 述外筒47的兩端部之圓筒狀的箱體49之橡膠襯套50 ;及以可轉動地支承前述內筒4 8的方式被裝設在前述 • 11 - (7) (7)200404695 骨架側托架4 3、4 3間之擺動支軸5 1 ;及被固定裝著在前 述外筒4 7的軸方向中間部而朝前方延伸之臂5 2 ;及被裝 著在臂52的前端之止動橡膠53。 前述止動橡膠5 3係以使該止動橡膠5 3的上下兩面接 觸到該橡膠支承部3 1的上下內面的方式而插入到被形成 於主骨架管27的後端之橡膠支承部3 1。 此防震連桿41爲從動力單元P的引擎E作用到擺動 支軸5 1之負荷，係利用橡膠襯套50、…的彈性變形來吸 收，並且經由止動橡膠53壓接在橡膠支承面3 1的上下內 面而彈性變形來吸收。 而且以比動力單元P更前方的各構件之中最低的位置 又比骨架側托架43更低的方式，比各連桿構件46、46更 向下方隆出之防護構件54、54分別被固定裝著在兩連桿 構件46、46。這些防護構件54、…係爲了達到輕量化及 高強度化而例如使鋼棒（鋼管）彎曲成半圓狀所形成。 參照第9圖，引擎E的吸氣系係具備有：連接到引擎 E的上部之吸氣管28、及連接到該吸氣管5 8的上游端之 氣化器59、及於比該氣化器59更後方的情況下被配置在 後輪WR的左側方之空氣濾淸器60、及連結空氣濾淸器 6 〇與氣化器5 9間之合成樹脂製的連結管6 1，被配置在收 納箱3 9與引擎E之間。 參照第10、11圖，空氣濾淸器60係以配置在後輪 WR的上部左側的方式而安裝在動力單元P的後部。另外 ’連結管6 1係以連結被配置在後輪w R的上部左側之空 -12· (8) (8)200404695 氣濾淸器60與被配置在後輪WR的前方之氣化器5 9的方 式而大致呈彎曲被配置在水平面內。 在連結管6 1的上部係被一體地突出設置有從該連結 管61朝上方突出之豎起壁61a，在前述後輪WR的前方 與前述豎起壁61a呈前後疊合之垂下壁39a，以朝下方垂 下的方式被一體地裝設在配置於連結管6 1的上方之收納 箱39的下部。而且在豎起壁61a與垂下壁39a之間形成 有防止從後輪WR所飛濺的泥水等侵入到比連結管6 1更 前方，即侵入到氣化器59側之迷路62。 另外，阻止從後輪WR所濺起的泥水等朝向前方之擋 土壁6 lb，係以從連結管6 1朝下方垂下的方式被一體地 裝設在連結管6 1的下部。 合倂參照第12圖，在兩後骨架管29、30之中左側的 後骨架管29之上部骨架部29b的前部，支承用來淨化供 應到引擎E的排氣通道（未圖示）的二次空氣之二次氣空 氣用空氣濾淸器63。 在該二次空氣用空氣濾淸器63的吸入口連接有吸氣 管64的下游端，該吸氣管64的上游端，係如第13圖所 示，從後端開口 30c被插入到兩後骨架管29、30之中右 側的後骨架管30之上部骨架部30b的後端部。而且吸氣 管64的上游端，係利用在壓縮狀態下隔著此上游端外面 與後骨架管3 0的內面之間的隔音材65來支承於後骨架管 30，隔音材65係由具有透氣性的彈性材料例如海棉等所 形成。即是吸氣管64的上游端，係使隔音材6 5介隔於後 -13- 200404695 Ο) 骨架管3 0的內面之間而被插入到後骨架管3 0的後端@胃 □ 3 0 c 〇 爲了使前述吸氣管6 4平順地彎折而插入到後骨架管 3〇的後端部開口 30c，另一方的後骨架管29的後端下部 係被切割成形成隨著朝向下方而以從後骨架管3 0遠離的 方式傾斜之傾斜面2 9 c，吸氣管6 4係沿著該傾斜面的方 式被配置。 裝設在引擎E與二次空氣用空氣濾淸器63之間之二 次空氣控制閥6 6 ^係支承在被安裝於左側的後骨架管2 9 之向上骨架部29a的上部之支座67，該二次空氣控制閥 66係相對於讓前述二次空氣用空氣濾淸器63配置在向上 骨架部29a的後方，而以將向上骨架部29a夾在與二次空 氣用空氣濾淸器63之間的方式被配置在向上骨架部29a 的前方。 在第 14圖中，二次空氣控制閥66係由隔膜致動器 68、及用該隔膜致動器68來閉閥驅動之開閉閥69、及只 容許空氣流通到引擎E的排氣通道側之簧片閥70所構成 〇 隔膜致動器68係具備有：殻體71、及用該殻體71 夾持周緣部之隔膜72、及一端連結到該隔膜72的中央部 之金屬製的桿7 3。 殻體7 1係由殼身74、及相互間氣密地夾持前述隔膜 72的周緣部而結合於該殼身74之外殼75所組成，在外 殻75與隔膜72之間形成有使該隔膜72的一面面對之負 -14- (10) 200404695 連 負 80 係 該 膜 ， 第 述 間 殼 流 通 同 前 入 桿 壓室76，在殻身74與隔膜72之間形成有大氣壓室77 在外殼75的中央部連接裝設有在先端具有節流孔78之 接管部79，經由前述節流孔78而通到負壓室76內之 壓取出管路80被連接到連接管部79，該負壓取出管路 係被連接到吸氣系57的吸氣管58。因而，負壓室76 作用吸氣管5 8內的負壓。 桿73是利用殼身74而可軸方向移動地被支承著， 桿7 3的一端係在大氣壓室7 7側直接被連結到前述隔 7 2的中央部。 針對此隔膜致動器68在吸氣管58內的負壓升高時 隔膜72往減少負壓室76容積的方向撓曲，而桿73往 1 4圖的左方作動。 開閉閥69係具備有：閥殼體81、及固定連接在前 桿73的他端之閥體82、及裝設在閥殻體81與閥體82 之回位彈簧83。 閥殼體8 1係由前述殼體74、及氣密地被結合在該 身74之吸氣外殼84所構成，在殼身74係裝設有空氣 通路85、及使空氣流通路85連通到大氣壓室77之連 孔86、及通到空氣流通路85的上游端而與前述桿73 軸配置之閥孔87、及在與前述空氣流通路85相反側使 述閥孔87開口到中央部之閥座88、及使一部分同軸插 到前述閥孔87之支承筒部89，同軸地貫穿閥孔87之 7 3可軸方向滑動地被嵌合於前述支承筒部8 9內。 在前述殼身74與吸氣外殼84之間形成有閥室9〇 -15- (11) 200404695 管 92 身 固 狀 發 向 具 94 殼 外 室 接 通 凸 管 下 另外，吸氣外殻84係被一體地形成通到閥室90之連接 部91，管路92的下游端被連接到連接管。然而管路 的上游端係被連接到二次空氣用空氣濾淸器6 3。 前述閥座88係以面對閥室90的方式被形成在殼 7 4，讓可載座在閥座8 8而被收納在閥室9 0之閥體8 2 定設置在桿73的另一端。 另外，回位彈簧83爲圍繞前述支承筒部8 9之線圈 物，發揮使閥體82離開閥座82的方向之彈簧力，即是 揮使膜致動器6 8的隔膜7 2向大氣壓室7 7側撓曲的方 之彈簧力而被設置在殼身74與閥體82之間。 簧片閥70係可開閉前述閥孔93而被支承在中央部 有閥孔93而形成呈圓板狀之閥支承板94，閥支承板 係使前述閥孔9 3連通到空氣流通路8 5的下游端的方式 被氣密地夾持在前述殼身74以及結合在該殻身74之外 95間。另外，二次空氣供應管路98的上游端被連接在 殼95與閥支承板94間形成有收納前述簧片閥70之閥 96，以通到閥室96的方式被一體地設置在外殼95之連 管部97上。然而二次空氣供應管路98的下游端，係以 到引擎E的排氣通道的方式，被連接到引擎E的下部。 此二次空氣控制閥66係被一體地設置在殻身74之 緣部77a結合於支座67，因而被支承在左側的後骨架 29之向上骨架部29a的上部。 另外，在左側的後骨架管29之向上骨架部29a的 部，係設置有通到該向上骨架部29a內之連接管部99 •16- (12) 200404695 用來從動力單元P的無段變速機Μ內導出冷卻空 管100被連接到前述連接管部99。 在第1圖中，車體骨架25係用合成樹脂製的 殼101來遮蓋，該車體外殼101係具備有遮蓋騎乘 腳之前方的腳部遮罩1 0 2、及可擺放騎乘者的雙腳 到腳部遮罩102的下部之置腳板103、及連結到 103而從兩側遮蓋車體後部之側邊外殻104。 前述收納箱39及燃料箱40係用上述側邊外殼 遮蓋，讓以可乘坐騎乘者的方式而從上方遮蓋收糸 之座墊1 05可開閉地安裝在側邊外殻1 〇4的上部。 腳板103係以被配置在方向把手35與座墊105 方式被形成在車體外殼101上，在比置腳板103的 下方處配置用來將動力單元Ρ可擺動地支承在車 25之骨架側托架43···。 在主骨架管27之底盤骨架部27b的前部，係 著支承構件106，而讓在前述底盤骨架部27b的上 車的左右方向延伸之前部支承管107的中央部固定 前述支承構件106。另外，在橫向管28的兩端部 設置後部支承管1 〇 8、1 0 8，在前部支承管1 〇 7的 和後部支承管108、108的上端部固定裝著有與底 部27b成平行延伸之一對的置腳板支承骨架1〇9 〇 如弟 6圖所不’抵接到則述置腳板支承骨架 109的前部和後部上面之凸起部l〇3a、103a以突 氣之導 車體外 者的雙 而連結 置腳板 104來 3箱3 9 即是置 之間的 後端更 體骨架 固定裝 方往機 裝著在 係豎立 兩端部 盤骨架 、109 109、 出在向 -17- (13) 200404695 下方的方式被一體地設置在置腳板103的左 部和後部，這些凸起部 1 〇 3 a、1 0 3 a結合於置 架109、109的狀況下，置腳板103被支承在 承骨架1 〇 9、1 0 9。 第1 5〜1 7圖中，將上部開放之箱形的蓄 11 〇以從置腳板1 0 3向下方突出的方式被一體 腳板1 0 3的大致中央部，該蓄電池收納箱11 〇 端係用可拆裝地被安裝在置腳板103之合成樹 111來封閉。 在蓄電池收納箱11 0內，係收納固定有蓄 CDI單元113、起動繼電器114以及保險絲盒 且在蓄電池收納箱110的後壁11 0 a裝設有用 前述蓄電池112、CDI單元113、起動繼電器 險絲盒115等之配線118引進到蓄電池收納箱 口部 11 7。 在車體骨架25之中通過前述置腳板103 盤骨架部27b的後端，係設置有防止泥水等飛 側之合成樹脂製的土除構件1 20。 該土除構件1 20係至少從前方遮蓋被固定 骨架部27b的後端之橫向管28而被安裝在該 〇 第18〜23圖中，土除構件120係一體地具 有以至少從前方遮蓋被固定裝著在底盤骨架部 之橫向管28，而從前方側遮蓋橫向管28之前) 右兩側的前 腳板支承骨 兩置腳板支 電池收納箱 地形成在置 的上部開口 脂製的蓋板 電池 112、 115等。而 來將連接到 114以及保 11 〇內之開 的下方之底 濺到引擎E 裝著在底盤 I向管28上 備有：形成 27b的後端 壁120a ;及 -18- (14) (14)200404695 以從前壁120a的上端向後方大致成水平延伸的方式所形 成之上壁120b ;及與前壁120a和上壁120b相連的一對 側壁120c、120d ;及具有向下方張開之大致U字狀的橫 剖面形狀而從前壁1 20 a的大致中央部往前方延伸之外殼 部 120e 。 前述上壁120b係從上方遮蓋橫向管28，另外用兩側 壁120c、120d來遮蓋前述橫向管28的兩端。即是土除構 件120，係形成有以從其前方、上方及兩側遮蓋橫向管28 的方式。另外，底盤骨架部27b的後部係從上方用外殼部 120e來遮蓋。 然則，爲了補強橫向管28及主骨架管27的連接裝設 部，在被設置於橫向管28與主骨架管27間之上下一對的 補強構件32、33之中下方的補強構件33，係一體地裝設 有從下方抵接到前述土除構件120之上壁120b的左右兩 側之一對的支承腕部3 3 a、3 3 a，在這些支承腕部3 3 a…係 固定裝著有焊接螺帽 1 2 1…。另一方面，於對應於支承腕 部33a…的部份在前述上壁120b設置有一對的插通孔122 、122，將被插通在這些插通孔122…之螺栓構件123…螺 合鎖緊於前述焊接螺帽1 2 1…，因而土除構件1 20被安裝 在兩支承腕部33a…。 於前述外殻部120e的右側之前壁120a的上部’係設 置有用來收納蓄電池收納箱11 0的右側後部之收納凹部 124 ° 在該土除構件1 20的前面之至少下部’在該實施例係 -19- (15) (15)200404695 除了前述收納凹部124以外之前壁120a的前面，形成有 向前上傾斜之傾斜面125。另外，也在遮蓋橫向管28的 兩端開口部之兩側壁120c、120d的下部，形成有隨著朝 向下方而成爲內方位置之傾斜面126、126，橫向管28的 兩端下部也對應於這些傾斜面1 26而被斜向切除。 然則，在被一體地設置在置腳板103之蓄電池收納箱 110的後壁ll〇a，雖然係裝設有引進到蓄電池收納箱11〇 內之配線11 8用的開口部11 7，不過從後方側遮蓋前述開 口部117之遮蔽壁127以往上方突出的方式被一體地形成 在土除構件120的上壁120b。 進而，在兩插通孔 122、122之中較左側的插通孔 122更前方之上壁120b的前部，係一體地形成有在周方 向的1處具有細縫129而被形成呈圓形之支承部128 ;在 該支承部1 28，係藉由從前述細縫1 29插入就能支承線束 及電纜線類。 其次說明本實施例的作用時，用來可以上下擺動地將 動力單元P的前部支承在車體骨架25之一對的連桿構件 46…、係連接有被配置在比置腳板103的後端更向下方而 構成車體骨架25的一部分之骨架側托架43…；和被裝設 在動力單元P的下部之一對的引擎側托架42···，在此等 連桿構件4 6…，係讓隆出於比該連桿構件4 6更向下方的 防護構件54…分別固定裝著。儘管防護構件54···，係在 比動力單元P更前方的各構件之中最低的位置而以比骨架 側托架4 3更低的方式向下方隆出。 -20- (16) 200404695 因此，當騎上路緣等的障礙物上時，障礙物比 元P更先碰觸到防護構件54·.·，連桿構件46…係 力單元P朝上方升起的方式轉動，所以能避免障礙 與動力單元P碰撞。而且只用將防護構件5 4…固 在連桿構件46…的極簡單構造就能避免障礙物撞 單元P。 然則，在動力單元P與座墊105之間，係以用 1 05來封閉上端開口部的方式而配置有收納箱3 9， :被連接到引擎E的上部之吸氣管5 8、被連接到 管58的上游端之氣化器59、被配置在比該氣化器 後方之空氣濾淸器60、以及連結空氣濾淸器60和 59之間之連結管61的吸氣系57，係被配置在引擎 納箱3 9之間。而且被一體地設置在連結管6 1的上 上方突出之豎起壁6 1 a、及被一體地設置在收納箱 下部而向下方垂下之垂下壁39a，係將防止從後輪 濺起的泥水等入侵到比連結管6 1更前方之迷路62 豎起壁61a與垂下壁39a之間的方式而被配置在前 的位置。 因此，可以極力阻止後輪WR所濺起的泥水等 連結管6 1更前方的引擎E側’而且不要收納箱3 9 管6 1以外的零件，所以可達到減少零件之件數同 少組裝作業工時。 另外，阻止後輪WR所濺起的泥水等濺向前方 壁61b，係以從連結管61向下方垂下的方式而被 動力單 以使動 物直接 定設置 到動力 該座墊 具備有 該吸氣 59更 氣化器 E與收 部而往 39的 WR所 形成在 後疊合 濺向比 及連結 時能減 之土除 一體地 (17) (17)200404695 設置在連結管6 1的下部，利用前述土除壁6 lb能更加阻 止在後輪WR所濺起的泥水等濺向比連結管6 1更前方側 〇 另外，車體骨架25係具備有通過置腳板103的下方 之底盤骨架部27b，在該底盤骨架部27b的後端，係設置 有防止泥水等濺向引擎E側之土除構件1 20。 因而，比採用大型的底盤外殼之過去的土除構件更能 減少零件成本，且又能防止泥水等濺向引擎E側。 另外，車體骨架25係具備有朝車體骨架25的左右方 向延伸而被固定裝著在前述底盤骨架部27b的後端之橫向 管28，土除構件120係以至少從前方遮蓋橫向管28的方 式被形成，所以含括車體骨架25的左右方向之幾乎全體 都能防止泥水濺向引擎E側。 另外，至少在土除構件1 20的前面的下部，係形成有 向前上傾斜之傾斜面1 25，用前述傾斜面125將濺到土除 構件120之泥水等引導到土除構件120的後下方，因而能 更確實防止泥水等濺向引擎E側。 然則，在置腳板103，係設置有收納蓄電池112等之 蓄電池收納箱110，在該蓄電池收納箱110的後壁ll〇a， 係設置有引進到蓄電池收納箱110內之配線118用的開口 部11 7，不過在前述土除構件1 20，係被一體地形成有從 後方側遮掩該開口部11 7之遮蔽壁1 27。·因此，不設置專 用的零件仍能防止泥水等入侵到蓄電池收納箱1內。 而且土除構件1 20係以遮蓋橫向管28的兩端開口部 -22- (18) (18)200404695 的方式被形成，所以不須經過封閉橫向管28之兩端的加 工，就能減少加工工時。 另外，在由合成樹脂所構成之土除構件120，一體地 形成有線束及電纜線類的支承部1 28，利用土除構件1 20 可支承被配置在土除構件1 2 0之附近的線束及電纜線類， 不須要用來支承線束和電纜線類的專用零件，而能助於減 少零件之件數。 進而，用來使供應到引擎E的排氣系之二次空氣淸淨 化的二次空氣用空氣濾淸器6 3，係被配置在車體骨架2 5 的外邰而被支承在左側的後骨架管 29，使二次空氣用空 氣濾淸器63的維修容易。 而且，吸氣管64的下游端係被連接在二次空氣用空 氣濾淸器6 3的吸入□，此吸氣管6 4的上游端，係使隔音 材65介在於與右側後骨架管30的內面之間，而被插入到 該後骨架管30的後端部開口 30C。 因此’將吸氣管64連接到後骨架管3 〇而可以不要安 裝多餘的零件就能減低成本，另外，在吸氣管64的上游 端與後骨架管30的內面之間，配置有可讓空氣流通之隔 音材65，所以在於後骨架管30內可以抑制吸氣音的回音 而達到滅音效果。 另外，被裝設在引擎E與二次空氣用空氣濾淸器63 間而被支承在車體骨架25之二次空氣控制閥66，係因夾 持車體骨架25的一部分，也就是夾持後骨架管29的向上 骨架部29a而被配置在與二次空氣用空氣濾淸器63之相 -23· (19) 200404695 反側，所以將二次空氣用空氣濾淸器63和二次空氣控 閥66鄰近配置，而能用來將二次空氣用空氣濾淸器63 二次空氣控制閥66間連接之構造簡單化。 進而，車體骨架25係在後部具備有使後端相互對 又加以開口之左右一對的後骨架管29、30，在此等後 架管29、30的任一方，也就是在後骨架管30的後端部 口，插入有吸氣管64的上游端，所以不必爲了將吸氣 64連接到後骨架管30而對後骨架管30施加多餘的加 ，而能更加減少成本。 而且，在使後端相互對向又加以開口之左右一對的 骨架管29、30之中另一方的後骨架管29的後端，係形 有傾斜面29c，吸氣管64係以沿著傾斜面29c的方式 配置，所以不需加大彎曲吸氣管6 4就能插入到前述後 架管30的後κ而部開口 30c，且又能讓吸氣管64內的吸 之流動良好。 以上’說明本發明的實施例，不過本發明並不侷限 上述實施例，只要不脫離本發明的申請專利範圍所記載 情事，就能進行種種的設計變更。 〔發明效果〕 如上述依據申請專利範圍第1項所揭示之發明，能 抹用大型的底盤外威之過去的土除構件更減少零件成本 而且能防止泥水等飛濺到引擎側。 另外，依據申請專利範圍第2項所揭示之發明，會g 制 和 向 骨 開 管 工 後 成 被 骨 氣 於 之 比 含 •24· (20) (20)200404695 括車體骨架的左右方向的幾乎全體都防止泥水飛濺到引擎 側。 依據申請專利範圍第3項所揭示之發明，將濺向土除 構件的泥水等導引到土除構件的後下方，能更確實地防止 泥水飛濺向引擎側。 依據申請專利範圍第4項所揭示之發明，以用土除構 件的遮蔽壁來遮蓋蓄電池收納箱所具備之配線用的開口部 的方式，不設置專用的零件仍能防止泥水等入侵到蓄電池 收納箱內。 依據申請專利範圍第5項所揭示之發明，不須封閉橫 向管的兩端，而能減少加工工時。 依據申請專利範圍第6項所揭示之發明，能用土除構 件來支承被配置在土除構件的附近之線束及電纜線類’ + 須要用來支承線束及電纜線類之專用的零件，能有助& Μ 少零件之件數。 【圖式簡單說明】 第1圖爲速克達型機車之側面圖。 第2圖爲省略掉車體外殻及收納箱的狀態下之速&胃 型機車的後部立體圖。 第3圖爲車體骨架之側面圖。 第4圖爲第3圖的箭號4方向之擴大圖。 第5圖爲從第4圖除去土除構件及防震連桿的狀態、Τ 之平面圖。 -25- (21) (21)200404695 第6圖爲第1圖的箭號6指示部之擴大縱剖面圖。 第7圖爲第4圖的線7 - 7之剖面圖。 第8圖爲防震連桿之平面圖。 第9圖爲省略車體外殼及收納箱的狀態下速克達型機 車的中間部之立體圖。 第10圖爲從上方直視空氣濾淸器及連結管之平面圖 〇 第11圖爲省略掉空氣濾淸器的狀態下沿著第1 0圖的 線11 -11之側面圖。 第1 2圖爲從後方直視已省略車體外殼的狀態之速克 達型機車的上部之圖。 第13圖爲用來表示對吸氣管的上游端之後骨架管的 連接部之重要部位凹缺剖面圖。 第1 4圖爲表示二次空氣控制閥的構成之縱剖面圖。 第15圖爲第6圖的線15-15之立體圖。 第1 6圖爲置腳板之立體圖。 第17圖爲置腳板的一部分之平面圖。 第18圖爲土除構件之正面圖。 第1 9圖爲第1 8圖的箭號1 9方向之側面圖。 第20圖爲第19圖的箭號20方向之平面圖。 第2 1圖爲第1 8圖的線2 1 · 2 1之剖面圖。 第22圖爲第18圖的線22-22之剖面圖。 第23圖爲第18圖的線23-23之剖面圖。 -26- (22) (22)200404695 〔圖號說明〕 25 :車體骨架 26 :頭管 27b :底盤骨架部 28 :橫向管 35 :方向把手 1 0 1 :車體外殼 103 :置腳板 105 :座墊 110 :蓄電池收納箱 110a ：後壁 1 1 2 :蓄電池 1 1 7 :開口部 1 1 8 :配線 120 : 土除構件 1 2 5 :傾斜面 127 :遮蔽壁 1 2 8 :支承部 E :引擎200404695 Π) 发明. Description of the invention [Technical field to which the invention belongs] The present invention relates to a vehicle body shell covering a vehicle body frame provided with a head pipe which supports a directional handle in a freely steerable state at the front end. A seat cushion for the rider above the engine mounted on the body frame, and a rider's feet can be placed between the aforementioned direction handle and the seat cushion. The locomotive is particularly designed to prevent muddy water and the like from splashing from below the foot plate to the engine side. [Prior Art] In order to prevent muddy water and the like from being splashed to the engine side, the Sukoda locomotive disclosed in Japanese Patent No. 2878471 uses a large chassis shell to cover the underside of the entire footboard. [Problems to be Solved by the Invention] However, the use of a large-sized chassis case in the above-mentioned conventional manner leads to an increase in the cost of parts. The present invention was conceived in view of the problems described above, and an object thereof is to provide a speed locomotive that can reduce the cost of parts and prevent muddy water and the like from being splashed on the engine side. [Summary of the Invention] [Means to Solve the Problems] In order to achieve the above object, the item i of the scope of patent application of the present invention is -6-(2) (2) 200404695 The cover is provided with a directional handle for freely turning at the front end. The body shell of the body frame of the head pipe is provided with a seat cushion for a rider, which is arranged above the engine mounted on the body frame, and allows the rider's feet to swing. The scooter type locomotive formed by placing the footboard disposed between the directional handle and the seat cushion is characterized in that the body frame is provided with a chassis frame portion passing under the footboard, and the chassis frame is provided on the chassis frame. The rear end of the part is provided with a dirt removing member which prevents muddy water and the like from splashing onto the engine side. According to this configuration, since a dirt removing member is provided at the rear end of the chassis frame portion, the cost of parts can be reduced more than the conventional dirt removing member using a large chassis case, and mud and water can be prevented from splashing to the engine side. In addition, the second scope of the patent application of the present invention is a structure in which the vehicle body frame is fixedly provided by extending in the left-right direction of the vehicle body frame except for the structure of the invention described in the first scope of the patent application. A transverse pipe at the rear end of the chassis skeleton part is formed so that the soil removal member covers the transverse pipe at least from the front. According to this structure, almost all of the left and right directions including the car body skeleton can prevent muddy water. Splashed to the engine side. Item 3 of the scope of patent application of the present invention is an inclined surface inclined forward and upward at least at the front and lower part of the aforementioned soil removal member, in addition to the structure of the invention described in item 1 or 2 of the above-mentioned patent application scope. According to this configuration, the muddy water and the like splashed on the dirt removing member can be guided to the rear and lower sides of the dirt removing member, so that the muddy water and the like can be more reliably prevented from splashing on the engine side. The fourth item of the scope of patent application of the present invention is provided in the aforementioned footboard in addition to the constitution of the invention described in any one of the first to third scope of the aforementioned application patent-7- (3) (3) 200404695. A battery storage box for storing a battery is provided with an opening portion for wiring introduced into the battery storage box on the rear wall of the battery storage box, and a shielding wall covering the opening portion from the rear side is integrally formed in the aforementioned soil removal member. According to this configuration, since the openings for wiring provided in the battery storage box are covered with the shielding wall of the dirt removing member, it is possible to prevent muddy water and the like from entering the battery storage box without installing special parts. Item 6 of the scope of patent application of the present invention, in addition to the constitution of the invention described in item 2 of the scope of the aforementioned patent application, the soil removal member is formed so as to cover the openings at both ends of the transverse pipe, and according to this structure, It is not necessary to process the two ends of the closed transverse pipe, but the processing time can be reduced. Furthermore, the scope of patent application of the present invention is the seventh, in addition to the composition of the invention described in the first scope of the aforementioned patent application, the wiring harness and cable The support portions of the wires are integrally formed on the aforementioned soil removal member made of synthetic resin. According to this structure, the soil removal member can be used to support the adjacent wiring harnesses and cable wires arranged in the soil removal member, without using To support special parts such as wiring harnesses and cable wires can help reduce the number of parts. [Embodiments] Hereinafter, embodiments of the present invention will be described based on the examples of the present invention shown in the attached drawings. Figures 1 to 23 show an embodiment of the present invention. The first figure is a side view of the Scooter locomotive, and the second figure is a perspective view of the rear part of the Scooter locomotive in the state of -8-200404695 省略 without the body shell and storage box. Figure 3 is a side view of the body frame. Fig. 4 is an enlarged view of arrow 4 in Fig. 3. Fig. 5 is a plan view showing a state where the dirt removing member and the anti-vibration link are removed from Fig. 4; Fig. 6 is an enlarged longitudinal sectional view of the arrow 6 indicating portion of Fig. 1; Fig. 7 is a sectional view taken along line 7-7 of Fig. 4. Figure 8 is a plan view of the shock-proof link. Fig. 9 is a perspective view of a middle portion of the Scooter locomotive in a state where the body shell and the storage box are omitted. Figure 10 is a plan view of the air filter and the connecting pipe viewed from above. Fig. 11 is a side view taken along line 11-11 of Fig. 10 with the air filter omitted. Fig. 12 is a view of the upper part of the Scooter locomotive in which the body shell is omitted when viewed from the rear. Fig. 13 is a cross-sectional view showing a recessed portion of an important part of a connecting portion of the skeleton tube behind the upstream end of the suction pipe. Fig. 14 is a longitudinal sectional view showing the structure of a secondary air control valve. Fig. 15 is a sectional view taken along line 15-15 of Fig. 6. Figure 16 is a perspective view of the footboard. Figure 17 is a plan view of part of the footboard. Figure 18 is a front view of the soil removal member. Fig. 19 is a side view in the direction of arrow 19 of Fig. 18. Fig. 20 is a plan view in the direction of arrow 20 of Fig. 19. Fig. 21 is a sectional view taken along line 21-21 of Fig. 18. Fig. 22 is a sectional view taken along line 22-22 of Fig. 18; Fig. 23 is a sectional view taken along line 23-23 of Fig. 18; First, in FIGS. 1 to 5, the body frame 25 of the Scooter locomotive is provided with a main frame tube 27 with a head pipe 26 fixed at the front end, and a main frame fixed with a right angle at the main frame. The lateral tube 28 at the rear end of the tube 27 and the rear skeleton tubes 29 and 30 having a pair of left and right sides installed at both ends of the lateral tube 28 are connected to the front end, respectively. -9-(5) 200404695 The main frame tube 27 is a bottom frame 2 7 a which is inclined downward from the head tube 26 toward the rear and the rear end of the bottom frame portion 2 7 a is approximately horizontally rearward. The portion 27b is integrally connected and installed; a cylindrical rubber support portion 31 is formed at the rear end portion of the chassis stomach portion 27b to be flattened in the vertical direction. The transverse pipe 28 extends in the left-right direction of the vehicle body frame 25. The central portion of the transverse pipe 28 in the axial direction penetrates the rubber support 31, and the central portion of the transverse pipe 28 is fixed to the main pipe 27 at a right angle. Back end. In addition, between the horizontal pipe 28 and the main frame 27, auxiliary members 32 and 33 for reinforcing the connection portion between the horizontal pipe 28 and the main frame pipe 27 are installed. A pair of left and right rear skeleton tubes 29 and 30 are formed by upward skeleton portions 29a and 30a extending rearward and upward from both ends of the aforementioned transverse tube 28, and extending from the rear ends of the upper frame portions 29a and 30a approximately horizontally and rearward, and The upper openings 29b, 30b are bent in a horizontal plane so that the rear openings face each other, and are integrally connected and installed. The head pipe 26 is steerably supported across the front fork WF across the front wheel WF, and a directional handle 35 is connected to the upper end of the front fork 34. A power unit P composed of an engine E disposed on the front side of the rear wheel WR and a stepless speed changer M disposed on the left side of the rear WR is swingably supported on both rear frame tubes 29 of the vehicle body frame 25. At the front of the 30, the rear wheel WR is pivotally supported at the rear of the power unit P. In addition, the E series is a single-cylinder 4-stroke engine in which the cylinders are arranged substantially horizontally, and the non-transmission M series is, for example, a belt type. At the rear end of the power unit P, 29 pairs of left and right rear skeleton tubes are stretched to support the end of the connected bone. 34 wheels under the Sheshan m engine section -10- 529 200404695 伸 stretched between E The rear suspension pipe 36 is installed between the left and right rear frame pipes 29 of the two, 30, and the fused joints 30. In addition, an exhaust pipe 37 that guides the exhaust from the engine E is The engine E extends to the right side of the rear wheel WR. The exhaust pipe 37 is connected to an exhaust muffler 38 on the right side of the rear wheel WR. A storage box 39 for storing a helmet and the like is supported at the front end portions of the two rear frame tubes 29 and 30 so as to be arranged above the engine, and is supported between the rear end portions of the two rear frame frames 29 and 30. There is a fuel tank 40. However, the power unit P is supported by the vehicle body frame 25 in a swingable manner via a shock-proof link 41, and the structure of the shock-proof lever 41 will be described with reference to Figs. 6 to 8. The anti-vibration link 41 is provided with: a pair of left and right engine-side brackets 42 and 42 installed near the lower part of the power unit P; and two rear skeleton tubes 29 and 30 respectively attached to the body frame 25 A pair of left and right skeleton side brackets 4 3, 4 3 at the lower portion of the upward skeleton portion 29a 3 0 a; and a cylindrical rotating tube 44 disposed between the two engine side brackets 42 and 42; and movably supported The rotating tube 44 is mounted on the connecting shaft 42 between the two engine-side brackets 4 2 and the connecting rod 42 formed in a rectangular cross section and one end is fixed to a pair of left and right links of the rotating tube 44. Members 4 6 and 4 6; a cylindrical outer tube 4 7 disposed between the two frame-side brackets 43 and 43 and fixedly mounting the other ends of the rod members 4 6 and 4 6; and coaxially disposed thereon The cylindrical inner tube 48 in the outer tube 47; and the inner periphery are respectively connected to both ends of the inner tube 48 and the outer periphery is welded to the cylindrical shape which is pressed into the both ends of the outer tube 47, respectively. The rubber bushing 50 of the box 49 is installed in the manner described above so as to rotatably support the inner cylinder 4 8. 11-(7) (7) 200404695 among the frame side brackets 4 3, 4 3 The movable support shaft 51; and the axial direction is fixed to the front of said filled outer cylinder 47 and the intermediate portion of arm 52 extending forward; and is mounted with the movable rubber stopper 53 in the front end of the arm 52. The stop rubber 5 3 is inserted into the rubber support portion 3 formed at the rear end of the main skeleton tube 27 such that the upper and lower surfaces of the stop rubber 53 are brought into contact with the upper and lower inner surfaces of the rubber support portion 31. 1. This anti-vibration link 41 is a load acting from the engine E of the power unit P to the swing support shaft 51, and is absorbed by the elastic deformation of the rubber bushings 50,... The upper and lower inner surfaces of 1 are elastically deformed to absorb. Furthermore, the protective members 54 and 54 which protrude downwardly than the link members 46 and 46 are fixed so that the lowest position among the members further forward than the power unit P is lower than the skeleton-side bracket 43. It is attached to both link members 46 and 46. These protective members 54, ... are formed by bending a steel rod (steel pipe) into a semicircular shape in order to reduce weight and increase strength. Referring to FIG. 9, the intake system of the engine E includes an intake pipe 28 connected to the upper portion of the engine E, a gasifier 59 connected to the upstream end of the intake pipe 58, and When the carburetor 59 is further behind, an air filter 60 disposed on the left side of the rear wheel WR, and a synthetic resin connecting pipe 61 connecting the air filter 60 and the carburetor 59 are placed. It is arranged between the storage box 39 and the engine E. Referring to Figs. 10 and 11, the air filter 60 is installed at the rear of the power unit P so as to be arranged on the left side of the upper part of the rear wheel WR. In addition, the 'connecting pipe 6 1 connects the air space -12 · (8) (8) 200404695 air filter 60 disposed on the upper left side of the rear wheel w R and the gasifier 5 disposed in front of the rear wheel WR. It is arranged in a horizontal plane in a substantially curved manner according to 9 methods. A rising wall 61a protruding upward from the connecting pipe 61 is integrally provided on the upper part of the connecting pipe 61, and a hanging down wall 39a which overlaps with the rising wall 61a in front of and behind the rear wheel WR, It is integrally installed in the lower part of the storage box 39 arrange | positioned above the connection pipe 61 so that it may hang downward. Further, between the erected wall 61a and the suspended wall 39a, muddy water or the like splashed from the rear wheel WR is prevented from entering the forward side of the connecting pipe 61, that is, into the labyrinth 62 on the side of the gasifier 59. In addition, a retaining wall 6 lb that prevents muddy water and the like splashed from the rear wheel WR from facing forward is integrally installed below the connecting pipe 61 so as to hang downward from the connecting pipe 61. Combined with reference to FIG. 12, among the two rear frame pipes 29 and 30, the front portion of the upper frame portion 29b on the left of the rear frame pipe 29 on the left side supports the exhaust passage (not shown) for purifying the exhaust passage supplied to the engine E. Air filter 63 for secondary air secondary air. The suction port of the secondary air filter 63 is connected to the downstream end of the suction pipe 64, and the upstream end of the suction pipe 64 is inserted through the rear end opening 30c as shown in FIG. A rear end portion of the upper skeleton portion 30b on the right of the rear skeleton tube 30 among the rear skeleton tubes 29 and 30. The upstream end of the suction pipe 64 is supported by the rear frame pipe 30 by a sound insulation material 65 between the outside of the upstream end and the inner surface of the rear frame pipe 30 in a compressed state. It is formed of an air-permeable elastic material such as sponge. That is, the upstream end of the suction pipe 64, the soundproofing material 65 is inserted between the inner surface of the skeleton pipe 30 and the rear end of the rear skeleton pipe 30, and is inserted into the rear end of the skeleton pipe 30 @ stomach □ 3 0 c 〇 is inserted into the rear opening 30c of the rear frame pipe 30 to bend the suction pipe 64 smoothly, and the lower portion of the rear end of the other rear frame pipe 29 is cut to form a The inclined surface 2 9 c is inclined downward so as to be separated from the rear skeleton tube 30, and the suction pipe 64 is arranged along the inclined surface. The secondary air control valve 6 6 installed between the engine E and the secondary air filter 63 is a support 67 supported on the upper part of the upper skeleton portion 29a of the rear skeleton pipe 2 9 installed on the left side. The secondary air control valve 66 is arranged behind the upward air frame portion 29a with respect to the secondary air air filter 63, and sandwiches the upward air frame portion 29a with the secondary air air filter 63. The interposition is arranged in front of the upward skeleton portion 29a. In FIG. 14, the secondary air control valve 66 is a diaphragm actuator 68, an on-off valve 69 driven by the diaphragm actuator 68 to close the valve, and only allows air to flow to the exhaust passage side of the engine E. The reed valve 70 is composed of a diaphragm actuator 68. The diaphragm 71 includes a housing 71, a diaphragm 72 sandwiching a peripheral portion with the housing 71, and a metal rod connected at one end to a central portion of the diaphragm 72. 7 3. The case 71 is composed of a case body 74 and an outer case 75 which is air-tightly sandwiched to the periphery of the diaphragm 72 and is coupled to the case body 74. A diaphragm is formed between the outer case 75 and the diaphragm 72. The negative side of 72 is -14- (10) 200404695 and the negative 80 is the film. The first intermediate casing is the same as the front rod pressure chamber 76, and an atmospheric pressure chamber 77 is formed between the casing 74 and the diaphragm 72. The central portion of 75 is provided with a connection portion 79 having a throttle hole 78 at the tip end, and a pressure extraction pipe 80 that leads into the negative pressure chamber 76 through the throttle hole 78 is connected to the connection pipe portion 79. The pressure extraction line system is connected to the suction pipe 58 of the suction system 57. Therefore, the negative pressure chamber 76 acts on the negative pressure in the suction pipe 58. The lever 73 is supported by the casing 74 so as to be movable in the axial direction. One end of the lever 73 is tied to the atmospheric pressure chamber 7 7 side and is directly connected to the center of the partition 72. When the negative pressure in the suction pipe 58 of the diaphragm actuator 68 rises, the diaphragm 72 is flexed in a direction to reduce the volume of the negative pressure chamber 76, and the lever 73 is moved to the left in FIG. 14. The on-off valve 69 includes a valve housing 81, a valve body 82 fixedly connected to the other end of the front rod 73, and a return spring 83 mounted on the valve housing 81 and the valve body 82. The valve housing 81 is composed of the above-mentioned housing 74 and an air suction casing 84 airtightly coupled to the body 74. The housing 74 is provided with an air passage 85 and communicates with the air flow passage 85. A connection hole 86 of the atmospheric pressure chamber 77, a valve hole 87 which is open to the upstream end of the air flow path 85 and is arranged on the shaft of the rod 73, and the valve hole 87 is opened to the central part on the side opposite to the air flow path 85. A valve seat 88 and a support tube portion 89 coaxially inserted into the valve hole 87 are inserted coaxially through the valve hole 87 to be fitted into the support tube portion 89 to be slidable in the axial direction. A valve chamber 90- 15- (11) 200404695 tube 92 is formed between the casing 74 and the suction casing 84, and the body 92 is fixed to the outer casing of the casing 94. The suction casing 84 is connected under the convex tube. A connection portion 91 leading to the valve chamber 90 is integrally formed, and a downstream end of the pipe 92 is connected to a connection pipe. However, the upstream end of the pipe is connected to an air filter 63 for secondary air. The valve seat 88 is formed in the casing 74 so as to face the valve chamber 90, and the valve body 8 2 which can be seated in the valve seat 8 8 and housed in the valve chamber 90 is set at the other end of the stem 73. . In addition, the return spring 83 is a coil that surrounds the support tube portion 89, and exerts a spring force in a direction to move the valve body 82 away from the valve seat 82, that is, a diaphragm 7 2 that swings the membrane actuator 6 8 toward the atmospheric pressure chamber. The 7-side bent square spring force is provided between the case body 74 and the valve body 82. The reed valve 70 is capable of opening and closing the valve hole 93 and is supported by a valve hole 93 at the center to form a disc-shaped valve support plate 94. The valve support plate communicates the valve hole 9 3 to the air flow path 8 5 The manner of the downstream end is air-tightly clamped between the aforementioned casing 74 and 95 bonded outside the casing 74. The upstream end of the secondary air supply line 98 is connected between the casing 95 and the valve support plate 94, and a valve 96 housing the reed valve 70 is formed. The valve 96 is integrally provided in the casing 95 so as to open to the valve chamber 96. Zhilian pipe department 97. However, the downstream end of the secondary air supply line 98 is connected to the lower part of the engine E in the manner of an exhaust passage to the engine E. This secondary air control valve 66 is integrally provided on the edge portion 77a of the casing 74 and is coupled to the support 67, and is thus supported by the upper frame portion 29a of the rear frame 29 on the left side. In addition, the upper skeleton portion 29a of the left rear skeleton tube 29 is provided with a connecting pipe portion 99 that passes into the upward skeleton portion 29a. • 16- (12) 200404695 is used for stepless speed change from the power unit P. The inner cooling empty pipe 100 is connected to the aforementioned connection pipe portion 99. In the first figure, the vehicle body frame 25 is covered with a synthetic resin shell 101. The vehicle body shell 101 is provided with a foot cover 102 covering the front of the riding foot and a mountable riding position. A person's feet are placed on a foot plate 103 under the foot cover 102, and a side shell 104 connected to 103 to cover the rear of the vehicle body from both sides. The storage box 39 and the fuel tank 40 are covered with the above-mentioned side shell, so that the seat cushion 105, which can be stowed from above to cover the rider, can be opened and closed and installed on the upper side of the side shell 104. . The foot plate 103 is formed on the body shell 101 so as to be disposed on the directional handle 35 and the seat cushion 105. The foot plate 103 is disposed below the foot plate 103 to swingably support the power unit P on the side frame of the car 25. Frame 43 ... A support member 106 is attached to the front portion of the chassis frame portion 27b of the main frame tube 27, and the support member 106 is fixed to the center portion of the front support tube 107 extending in the left-right direction of the chassis frame portion 27b. In addition, rear support tubes 108 and 108 are provided at both ends of the transverse tube 28, and the upper end portions of the front support tube 107 and the rear support tubes 108 and 108 are fixedly mounted parallel to the bottom portion 27b. Extend the pair of footboard support skeletons 109 as shown in Fig. 6 but do not abut against the raised parts 103a, 103a on the front and rear of the footboard support skeleton 109 to guide the air out of the air. The outside of the car is connected to the footboard 104 to 3 boxes 3 9 that is the rear end of the body. The frame is fixed and installed on the machine. The disk frame is erected at the two ends of the erecting end. 109 109 17- (13) 200404695 The bottom method is integrated on the left and rear parts of the footboard 103. These protrusions 103a and 103a are combined with the racks 109 and 109, and the footboard 103 It is supported on the supporting frames 1 0 and 10 9. In FIGS. 15 to 17, a box-shaped battery 11 〇 with an open upper portion is formed at a substantially central portion of the integrated foot plate 103 so as to protrude downward from the foot plate 103. It is closed with a synthetic tree 111 removably mounted on the footboard 103. In the battery storage box 110, the CDI unit 113, the starting relay 114, and the fuse box are fixedly fixed, and the battery 112, the CDI unit 113, and the starting relay fuse are installed on the rear wall 110 of the battery storage box 110. The wirings 118 of the case 115 and the like are introduced into the battery storage box mouth 11. In the vehicle body frame 25, a soil removing member 120 made of synthetic resin is provided through the rear end of the disc frame portion 27b of the leg plate 103 to prevent flying sides such as mud and water. The soil removal member 1 20 is installed in the horizontal pipe 28 covering at least the rear end of the fixed frame portion 27b from the front. The soil removal member 120 is integrally provided to cover the cover at least from the front. The horizontal tube 28 is fixedly mounted on the chassis skeleton portion, and the front tube is covered from the front side before the horizontal tube 28 is covered.) The front leg plates on the right sides support the bone. 112, 115, etc. Then, the bottom bottom connected to the openings 114 and 110 is splashed onto the engine E. It is mounted on the chassis I to the pipe 28. The rear wall 120a forming 27b is provided; and -18- (14) (14 200404695 The upper wall 120b is formed so as to extend substantially horizontally from the upper end of the front wall 120a to the rear; and a pair of side walls 120c and 120d connected to the front wall 120a and the upper wall 120b; and has a generally U-shape opening downward The cross-sectional shape of the housing portion 120e extends forward from the substantially central portion of the front wall 120a. The upper wall 120b covers the lateral pipe 28 from above, and both sides of the lateral pipe 28 are covered by the side walls 120c and 120d. That is, the soil removing member 120 is formed so as to cover the lateral pipe 28 from the front, the upper side, and the both sides. The rear portion of the chassis frame portion 27b is covered by the case portion 120e from above. However, in order to reinforce the connection installation part of the lateral tube 28 and the main skeleton tube 27, the reinforcing members 33 below the reinforcing members 32 and 33 provided above and below the pair of the lateral tube 28 and the main skeleton tube 27 are connected. One pair of support arm portions 3 3 a, 3 3 a which abut against the left and right sides of the upper wall 120 b of the soil removal member 120 from below are integrally mounted, and these support arm portions 3 3 a are fixedly installed With welding nuts 1 2 1…. On the other hand, a pair of insertion holes 122 and 122 are provided in the upper wall 120b at a portion corresponding to the supporting arm portion 33a ..., and bolt members 123 ... screwed into the insertion holes 122 ... Tighter than the aforementioned welding nuts 1 2 1..., The dirt removing member 1 20 is attached to the two support arm portions 33 a. A storage recess 124 is provided on the upper part of the right front wall 120a of the aforementioned housing part 120e to store the right rear part of the battery storage box 110. At least the lower part of the front of the dirt removing member 120 is in this embodiment. -19- (15) (15) 200404695 In addition to the aforementioned storage recessed portion 124, an inclined surface 125 inclined forward and upward is formed in front of the front wall 120a. In addition, inclined surfaces 126 and 126 are formed at the lower portions of the two side walls 120c and 120d covering the openings at both ends of the transverse tube 28. The inclined surfaces 126 and 126 are positioned inward as they go downward. These inclined surfaces 126 are cut obliquely. However, the rear wall 110a of the battery storage box 110 integrally provided on the footboard 103 is provided with an opening 11 7 for wiring 118 which is introduced into the battery storage box 110, but from the rear A shielding wall 127 that covers the aforementioned opening 117 is formed integrally on the upper wall 120b of the soil removing member 120 so as to protrude upward. Further, among the two insertion holes 122 and 122, the front portion of the upper wall 120b is more forward than the insertion hole 122 on the left side, and is integrally formed with a slit 129 at one position in the circumferential direction and formed into a circular shape. The support portion 128; the support portion 1 28 can support the wiring harness and the cable by inserting through the narrow slit 1 29 described above. Next, when the function of this embodiment is described, a pair of link members 46 for supporting the front portion of the power unit P to one pair of the vehicle body frame 25 to be able to swing up and down is connected to the rear side of the leg plate 103. The frame-side brackets 43... Which form a part of the body frame 25 further downward, and the engine-side brackets 42, which are installed in a pair of the lower part of the power unit P. Here, the link member 4 6..., Is to let Lung out of the protective member 54... Lower than the link member 46. In spite of the protective member 54 ..., it is tied at the lowest position among the members further forward than the power unit P, and protrudes downward from the frame-side bracket 43. -20- (16) 200404695 Therefore, when riding on an obstacle such as a curb, the obstacle comes into contact with the protective member 54 ···, the link member 46 ... the force unit P rises upwards before the element P Rotate in a way that prevents obstacles from colliding with power unit P. Furthermore, it is possible to prevent an obstacle from hitting the unit P with an extremely simple structure in which the protective members 5 4... Are fixed to the link member 46. However, a storage box 39 is arranged between the power unit P and the seat cushion 105 so that the upper opening is closed by 105: the suction pipe 58 connected to the upper part of the engine E is connected A gasifier 59 to the upstream end of the pipe 58, an air filter 60 disposed behind the gasifier, and an air suction system 57 connecting the pipe 61 between the air filters 60 and 59. Configured between engine nanoboxes 3-9. Moreover, the upright wall 6 1 a which is integrally provided on the upper and upper sides of the connecting pipe 61 and the down wall 39 a which is integrally provided on the lower part of the storage box and hangs downward are to prevent muddy water from splashing from the rear wheel. It is arranged in a forward position so as to intrude into the lost road 62 which is more forward than the connecting pipe 61, between the rising wall 61a and the hanging wall 39a. Therefore, it is possible to prevent the connecting pipe 61, such as mud and water splashed by the rear wheel WR, from being more forward to the engine E side, and not to store parts other than the box 3 9 pipe 61. Therefore, it is possible to reduce the number of parts and reduce the number of assembly operations. Working hours. In addition, the muddy water splashed by the rear wheel WR is prevented from being splashed toward the front wall 61b, and is powered by the power sheet so as to hang down from the connecting pipe 61 so that the animal is directly set to the power. The seat cushion is provided with the suction 59. The vaporizer E and the closing WR toward 39 are formed integrally after the splashing ratio and the soil can be reduced during connection. (17) (17) 200404695 It is set in the lower part of the connecting pipe 61, using the aforementioned The dirt removing wall 6 lb can further prevent muddy water splashed on the rear wheel WR from being splashed to the front side than the connecting pipe 61. In addition, the vehicle body frame 25 is provided with a chassis frame portion 27b passing under the foot plate 103. At the rear end of the chassis frame portion 27b, a dirt removing member 120 for preventing muddy water or the like from being splashed toward the engine E side is provided. Therefore, it is possible to reduce the cost of parts more than the conventional dirt removing member using a large chassis casing, and to prevent muddy water or the like from being splashed to the engine E side. In addition, the vehicle body frame 25 is provided with a lateral pipe 28 extending in the left-right direction of the vehicle body frame 25 and fixedly mounted on the rear end of the chassis frame portion 27b, and the dirt removing member 120 covers the lateral pipe 28 at least from the front. Since this method is formed, almost all of the left-right direction including the vehicle body frame 25 can prevent muddy water from splashing to the engine E side. In addition, at least a lower part of the front face of the soil removal member 120 is formed with an inclined surface 125 which slopes forward and upward, and the muddy water splashed on the soil removal member 120 is guided to the rear of the soil removal member 120 by the inclined surface 125. It can prevent muddy water from splashing to the engine E side more reliably. However, the footboard 103 is provided with a battery storage box 110 for storing the battery 112 and the like, and the rear wall 110a of the battery storage box 110 is provided with an opening for wiring 118 introduced into the battery storage box 110. 11 but the above-mentioned dirt removing member 1 20 is integrally formed with a shielding wall 1 27 that covers the opening 11 from the rear side. • Therefore, it is possible to prevent muddy water and the like from entering the battery storage box 1 without providing special parts. In addition, the dirt removing member 1 20 is formed to cover the openings at both ends of the transverse pipe 28-22- (18) (18) 200404695, so the machining process can be reduced without having to process the two ends of the transverse pipe 28. Time. In addition, the soil removing member 120 made of synthetic resin is integrally formed with a support portion 1 28 for a wire harness and a cable. The soil removing member 1 20 can support a wire harness disposed near the soil removing member 1 2 0. And cables and wires, it is not necessary to support special parts for wire harnesses and cables, but can help reduce the number of parts. Further, a secondary air filter 6 3 for purifying the secondary air of the exhaust system supplied to the engine E is disposed on the outer side of the body frame 2 5 and is supported on the left rear side. The skeleton tube 29 facilitates maintenance of the air filter 63 for secondary air. The downstream end of the suction pipe 64 is connected to the suction of the secondary air filter 63, and the upstream end of the suction pipe 64 is such that the sound insulation material 65 is interposed with the right rear frame pipe 30. Is inserted into the rear end opening 30C of the rear skeleton tube 30 between the inner surfaces of the rear frame. Therefore, 'the suction pipe 64 is connected to the rear frame pipe 30, and the cost can be reduced without installing extra parts. In addition, between the upstream end of the suction pipe 64 and the inner surface of the rear frame pipe 30, an The sound-insulating material 65 allows air to circulate, so that the echo of the inhalation sound can be suppressed in the rear frame pipe 30 to achieve a sound-extinguishing effect. In addition, the secondary air control valve 66 installed between the engine E and the secondary air filter 63 and supported by the vehicle body frame 25 is a part of the vehicle body frame 25, that is, it is clamped. The upward skeleton portion 29a of the rear skeleton tube 29 is disposed opposite to the secondary air filter 63-23 (19) 200404695, so the secondary air filter 63 and the secondary air The control valve 66 is disposed adjacently, and can be used to simplify the structure of the connection between the secondary air control valve 66 and the secondary air control valve 66. Further, the vehicle body frame 25 is provided at the rear portion with a pair of left and right rear frame tubes 29 and 30 which open and close each other at the rear end. One of these rear frame tubes 29 and 30 is the rear frame tube. The rear end of 30 is inserted with the upstream end of the suction pipe 64, so it is not necessary to add an extra charge to the rear framework pipe 30 in order to connect the suction pipe 64 to the rear framework pipe 30, which can further reduce the cost. Further, at the rear end of the other rear skeleton tube 29, which is a pair of left and right skeleton tubes 29 and 30 which have their rear ends facing each other and opened, an inclined surface 29c is formed, and the suction tube 64 extends along The inclined surface 29c is arranged, so that the suction pipe 64 can be inserted into the rear κ of the rear frame pipe 30 without increasing the bending of the suction pipe 64, and the suction flow in the suction pipe 64 can be made good. The above 'describes the embodiment of the present invention, but the present invention is not limited to the above embodiment, and various design changes can be made as long as it does not depart from the circumstances described in the scope of patent application of the present invention. [Effects of the Invention] The invention disclosed in the above-mentioned first patent application scope can reduce the cost of parts and prevent mud and water from splashing to the engine side by using a large-scale chassis to remove past dirt removal components. In addition, according to the invention disclosed in item 2 of the scope of the patent application, the ratio of bone system to bone system after g pipe making and pipe opening is included. • 24 · (20) (20) 200404695 All prevent muddy water from splashing to the engine side. According to the invention disclosed in claim 3 of the scope of patent application, the muddy water splashed on the dirt removing member is guided to the rear and lower sides of the dirt removing member, which can more reliably prevent the muddy water from splashing to the engine side. According to the invention disclosed in item 4 of the scope of the patent application, the opening of the wiring provided in the battery storage box is covered by the shielding wall of the dirt removing member, and mud or water can be prevented from entering the battery storage box without providing special parts. Inside. According to the invention disclosed in item 5 of the scope of patent application, it is not necessary to close both ends of the transverse pipe, but can reduce the processing time. According to the invention disclosed in item 6 of the scope of the patent application, the earthmoving member can be used to support the harnesses and cables arranged near the earthmoving members' + Special parts required to support the harnesses and cables Help & Μ fewer parts. [Schematic description] Figure 1 is a side view of a speed locomotive. Fig. 2 is a rear perspective view of the speed & stomach type locomotive in a state where the body shell and the storage box are omitted. Fig. 3 is a side view of the body frame. Fig. 4 is an enlarged view of arrow 4 in Fig. 3. Fig. 5 is a plan view of the state where the soil removing member and the anti-vibration link are removed from Fig. 4, and T is a plan view. -25- (21) (21) 200404695 Fig. 6 is an enlarged longitudinal sectional view of the arrow 6 indicating portion in Fig. 1. Fig. 7 is a sectional view taken along line 7-7 of Fig. 4. Figure 8 is a plan view of the shock-proof link. Fig. 9 is a perspective view of the middle portion of the Scooter locomotive in a state where the vehicle body shell and the storage box are omitted. Fig. 10 is a plan view of the air filter and the connecting pipe viewed from above. Fig. 11 is a side view taken along line 11-11 of Fig. 10 with the air filter omitted. Fig. 12 is a view of the upper part of a Scooter locomotive in which the body shell is omitted when viewed from the rear. Fig. 13 is a cutaway cross-sectional view showing an important part of the connecting portion of the skeleton pipe behind the upstream end of the suction pipe. Fig. 14 is a longitudinal sectional view showing the structure of a secondary air control valve. Fig. 15 is a perspective view of line 15-15 of Fig. 6. Figure 16 is a perspective view of the footboard. Fig. 17 is a plan view of a part of the foot board. Figure 18 is a front view of the soil removal member. Fig. 19 is a side view of arrow 19 in Fig. 18; Fig. 20 is a plan view in the direction of arrow 20 of Fig. 19. Fig. 21 is a sectional view taken along line 2 1 · 2 1 in Fig. 18. Fig. 22 is a sectional view taken along line 22-22 of Fig. 18; Fig. 23 is a sectional view taken along line 23-23 of Fig. 18; -26- (22) (22) 200404695 [Description of drawing number] 25: Body frame 26: Head tube 27b: Chassis frame part 28: Transverse tube 35: Direction handle 1 0 1: Body shell 103: Footboard 105: Seat cushion 110: Battery storage box 110a: Rear wall 1 1 2: Battery 1 1 7: Opening 1 1 8: Wiring 120: Dirt removal member 1 2 5: Inclined surface 127: Shielding wall 1 2 8: Supporting portion E: engine