M251022 捌、新型說明： 【新型所屬之技術領域】 本創作係關於一種將用以淨化供給於自動二輪車 系統之二次空氣之二次空氣用空氣濾清器，藉止回 接於與無段變速機一起構成動力裝置而擺動自如地 車架之引擎之排氣系統之自動二輪車之排氣淨化裝 【先前技術】 以往，該裝置係例如以日本專利申請案特開平5 -號公報等眾所周知。 【新型内容】 (新型所欲解決之問題） 然而，上述以往之裝置為，因二次空氣用空氣濾 裝於車架，連接該空氣濾清器與引擎之排氣系統之 需要將動力裝置及二次空氣用空氣濾清器裝配於車 態下實行的關係，連接作業很繁雜。 欲解決上述問題，將二次空氣用空氣濾清器安裝 裝置，在對裝配於車架之前，以把二次空氣用空氣 連接於引擎之排氣系統之狀態下，將動力裝置裝配 則可。然而，安裝二次空氣用空氣濾清器安裝於動 時，無法把二次空氣用空氣濾清器之專用空間設定 關係，不得不縮小二次空氣用空氣濾清器之容積成 小限度；向外部開口之進氣口設在二次空氣用空氣 之空氣濾清器殼體之構造下，不僅是使進氣音變大 前述進氣口之位置之設置範圍被限制，且容易受到 326\總檔\92\92222089\92222089(改請） 5 之排氣 閥而連 支撐於 置者。 131969 清器安 作業係 架之狀 於動力 淚清器 於車架 力裝置 為大的 必要最 濾清器 ，而且 以後輪 M251022 所飛濺之水分及泥土等之不良影響。 本創作係鑑於上情所成；其目的在於提供一種可容易連 接引擎之排氣系統及二次空氣用空氣濾清器，而且，可減 低二次空氣用空氣濾清器之進氣音之同可防止水及泥土對 二次空氣用空氣濾清器之不良影響之自動二輪車之排氣淨 化裝置者。 (解決問題之手段） 為達成上述目的，申請專利範圍第1項記載之創作為，對 與無段變速機一起構成動力裝置而擺動自如地支撐於車架 之引擎之排氣系統，藉止回閥而連接淨化供給該排氣系統 之二次空氣之二次空氣用空氣濾清器之自動二輪車之排氣 淨化裝置中，其特徵為，從二次空氣用空氣濾清器延伸出 其一端連接於安裝在前述動力裝置之前述二次空氣用空氣 濾清器之進氣管者。 根據上述之構成，可把二次空氣用空氣濾清器安裝在動 力裝置的關係，在裝配於車架之前，可把二次空氣用空氣 濾清器連接於引擎之排氣系統而使連接作業為容易。加以 藉進氣管來增加二次空氣用空氣濾清器之實質上的容積以 減低進氣音。又，把進氣管延長至適當位置之結果，能夠 不容易受到後輪所飛濺之水及泥土等之不良影響。 又，申請專利範圍第2項記載之創作為，在申請專利範圍 第1項記載之創作之構成中，前述進氣管係經過前述引擎對 車架之擺動支軸之附近，而延伸出覆蓋前述車架之車身蓋 體所具備之踏板之下方為其特徵；根據該構成，可儘量避 326\總檔\92\92222089\92222089(改請） 6 M251022 免因動力裝置之擺動而彎曲進氣管等之外力作用於該 等，可適當地佈置進氣管者。 又，申請專利範圍第3項記載之創作為，在申請專利 第2項記載之創作之構成中，在前述踏板之下方，有配 上方開放之箱形之行李箱，前述進氣管之另一端在該 箱内開口為其特徵；根據該構成，可更有效地減低進 之同時，可更有效地防止二次空氣用空氣濾清器受到 泥土等之不良影響者。 【實施方式】 茲根據附圖所示之本創作之一實施例，將本創作之 形態說明如下。 圖1〜1 1係顯示本創作之一實施例，其中，圖1係顯 動二輪車之側視圖，圖2係顯示省略車身蓋、行李箱及 箱之狀態之圖1之箭號2所視之圖，圖3係顯示省略踏板 態之圖1之箭號3所視之圖，圖4係顯示動力系統之橫名 圖’圖5係顯不空氣滤清為及二次空氣用空氣滤清器之 側視圖，圖6係顯示圖5之線6 - 6之剖視圖，圖7係顯示 之線7 - 7之放大剖視圖，圖8係顯示引擎對車架之擺動 部之局部缺口側視圖，圖9係顯示圖8之線9 - 9之剖視圖 1 0係顯示圖2之線1 0 - 1 0之放大剖視圖，圖1 1係顯示圖 線1 1 - 1 1之剖視圖。 首先，在圖1中，速克達型之自動二輪車之車架F 備有：以鋁合金等所鑄造成形之前部車架1 1，以鋁合 所鑄造成形而固結於前部車架1 1後端之後部車架1 2， 進氣 範圍 置其 行李 氣音 水及 實施 示自 燃料 之狀 J視 擴大 圖5 支持 ，圖 1 0之 係具 金等 及加 326\總檔\92\92222089\92222089(改請) 7 M251022 工金屬製之管體而構成並連接於後部車架1 2後端 架1 3。 前部車架1 1設在其前端之頭管部1 4，轉向自如 著前輪WF之前部叉架17。前述前部叉架17之下端 前輪WF之輪軸18之前方，其一端固結於該前部叉 之連桿19之另一端連結於前述輪軸18，在前部叉 下方向中間部及連桿1 9之中間部間設有前部緩衝 又，前部叉架17之上端有固結轉向用把手21。 合併參考圖2及圖3，前述前部車架11係一體具 1 4，從該頭管部1 4向後下方延伸之下向車架部1 5 向車架部15之下端向後方延伸之左右一對之踏板 部1 6，1 6而鑄造成形。然後，後部車架1 2係固結於 持部1 6，1 6之後端。 配置在後輪W R之前方側之引擎E，及配置在後輪 方之無段變速機Μ所成之動力裝置P為後部車架1 2 向中間部上藉防震連桿2 2而支撐成擺動自如。引 將汽缸向車身前方略配置成水平之水冷式之單汽 引擎，而無段變速機Μ係例如帶子式者。 在圖4中，引擎Ε係具備有第一引擎體32及第2 3 3，第一引擎體3 2係構成汽缸體3 2 !及曲軸箱半剖 二引擎體3 3係構成曲軸箱2 9之另一半部。 在第一引擎體3 2之前端有結合汽缸蓋3 4，汽缸 端有結合頭蓋體35。第一及第二引擎體32 ,33之右 合發電機蓋體3 6。 326\總檔\92\92222089\92222089(改請） 8 之輔助車 地支撐跨 係配置在 架1 7下端 架1 7之上 器20。 有頭管部 ，從該下 支持車架 兩踏板支 W R之左側 之前後方 [Ε係例如 缸四循’環 引擎體 3 2 2，第 蓋34之前 側面有結 M251022 無段變速機Μ係具備有互相結合之右側殼體3 7及左側殼 體3 8，右側殼體3 7之前部右側面結合於第一及第二引擎體 3 2，3 3之左側面。又，右側殼體3 7之後部右側面有減速機殼 體3 9結合之。 滑動自如地嵌合於第一引擎體3 2所具備之汽缸4 1内部之 活塞4 2係連結桿4 3及曲軸銷2 8而連結於曲軸3 1。汽缸蓋3 4 有旋轉自如地支持凸輪軸4 4，以前述凸輪軸4 4開閉驅動設 在汽缸蓋3 4之進氣閥及排氣閥（未圖示）。設在第一引擎 體3 2之鏈條通路4 0内，有收容定時鏈4 5，該定時鏈4 5繞掛 於設在曲軸31之驅動鏈輪46及設在凸輪軸44之從動鏈輪 4 7。於是，當曲軸3 1旋轉兩次時，凸輪軸4 4為旋轉一次。 在突出於右側殼體3 7及左側殼體3 8之内部之曲軸3 1之左 端，設有驅動皮帶輪5 4。該驅動皮帶輪5 4係具備有固定在 曲軸3 1之固定側皮帶輪半體5 5，及對固定側皮帶輪半體5 5 可接近及離開之可動皮帶輪半體56，可動側皮帶輪半體56 係相應曲軸3 1之旋轉數而向半徑方向外側移動之離心重錘 57而逼向接近固定側皮帶輪半體55之方向。 支持在右側殼體3 7之後部及減速機殼體3 9間之輸出軸5 8 所設之從動皮帶輪5 9為，具備有相對旋轉自如地支持在輸 出軸5 8之固定側皮帶輪半體6 0，及對固定側皮帶輪半體6 0 可接近及離開之可動皮帶輪半體6 1，可動皮帶輪半體6 1係 以彈簧62彈性逼向固定皮帶輪半體60。又，在固定側皮帶 輪半體6 0與輸出軸5 8之間設有起動用離合器6 3。然後，驅 動皮帶輪5 4及從動皮帶輪5 9間有繞掛無端狀之V形帶6 4。 9 326V總檔\92\92222089\92222089(改請) M251022 在右側殼體3 7及減速機殼體3 9間，有支持與前述輸出軸 5 8平行的中間軸6 5及輪軸6 6 ;在輸出軸5 8，中間軸6 5及輪 軸6 6間設有減速齒輪列6 7。然後，貫穿減速機殼體3 9而突 出於右側之輪軸6 6之右端設有後輪W R。 在上述之無段變速機Μ中，將曲軸3 1之旋轉動力傳達至驅 動皮帶輪54，從該驅動皮帶輪54藉V形帶64，從動皮帶輪 59，起動用離合器63及減速齒輪列67而傳達至後輪WR。 然後，引擎Ε在低速旋轉時，作用於驅動皮帶輪5 4之離心 重錘5 7之離心力小的關係，由於從動皮帶輪5 9之彈簧6 2之 彈性力而減少固定側皮帶輪半體6 0及可動側皮帶輪半體6 1 間之槽構寬幅，變速比成為LOW。當曲軸3 1之旋轉數為從該 狀態開始增加時，作用於離心重錘5 7之離心力增加，使驅 動皮帶輪54之固定側皮帶輪半體55及可動側皮帶輪半體56 間之槽構寬幅減少，隨此而從動皮帶輪5 9之固定側皮帶輪 半體6 0及可動側皮帶輪半體6 1間之槽溝寬度增加的關係， 變速比為從L 0 W無段地向T 0 P變化之。 設在曲軸3 1之右側之交流發電機6 8係以發電機蓋體3 6所 覆蓋，在該發電機蓋體3 6之右側設有散熱器6 9。固定在曲 軸3 1之右端之冷卻風扇7 0配置在交流發電機6 8及散熱器6 9 間以便對該散熱器6 9供給冷卻風。冷卻風扇7 0，及配置在 該冷卻風扇7 0外方之散熱器6 9係以固結於發電機蓋體3 6之 合成樹脂製之蓋體7 4所覆蓋，該蓋體7 4之外側面設有從外 部吸進冷卻空氣用之百葉板7 5。 又，汽缸蓋3 4之右側面，有結合内部收容恆溫器7 1之恆 10 326V總檔 \92\92222089\92222089(改請) M251022 溫器盒7 2，將設在凸輪軸4 4之右端之冷卻水泵7 3收容於以 汽缸蓋3 4及恆溫器盒7 2所圍繞之空間内。 再度回到圖1及圖2，在動力裝置P之後部與後部車架12 之間設有後部缓衝裝置7 6。又，引導引擎E之排氣之排氣管 7 7為從引擎E延伸於後輪WR之右側方；該排氣管7 7係連接於 配置在後輪W R之右側方之排氣滅音器7 8。再者，引擎E有支 持立架79成迴轉自如。 在後部車架1 2之中間部上面，在引擎E之上方有配置可收 容安全帽等之行李箱8 0，在輔助車架1 3上有支持燃料箱8 1。 在圖5及圖6中，動力裝置P之後部，在後輪WR之上部側方 有配置空氣濾清器8 2以便淨化供給於引擎E之進氣系統之 空氣，在該空氣濾清器8 2之前部，有附設二次空氣用空氣 濾清器83 。 空氣濾清器8 2之二次空氣用空氣濾清器8 3係具備有共同 之空氣濾清器盒體8 4，該空氣濾清器盒體8 4係結合合成樹 脂製之第一及第二盒體構件85, 86而成者。第一盒體構件85 係形成為具備有碗狀之大盒體部8 5 a，及形成為比大盒體部 8 5 a較小型而與大盒體部8 5 a同一方向開放之碗狀之小盒體 部8 5 b為一體，第二盒體構件8 6係形成為具備有碗狀之大盒 體部86a，及嵌合於第一盒體構件85之小盒體部85b之有底 筒狀之小盒體部86b為一體；第一及第二盒體構件85, 86之 大盒體部8 5 a，8 6 a係以複數之螺絲構件8 7 ....互相固結之。 空氣濾清器8 2係在第一盒體構件8 5之大盒體部8 5 a及第 二盒體構件8 6之大盒體部8 6 a間，夾持有保持濾清器蕊8 8 11 326\總檔\92\92222089\92222089(改請) M251022 之保持構件8 Q # 卞δ 9之周緣部所成者；濾清器蕊8 8及保持構件 及第一盒體構件85之大盒體部85a之間，形成有第一未 淨化至9 1 ’而渡清器蕊8 8及保持構件8 9，及第二盒體構件 大a體部8 6 a之間，形成有第一淨化室9 2。 在圖7中’於空氣濾清器8 2之後方側下部，設有從外部導 二氣於第一未淨化室91用之進氣導管93。該進氣導管93 係以向接 μ + 设 方傾斜之狀態配置在第一未淨化室9 1内之同 時j端部為由第一盒體構件85中之大盒體部85a所支持之 小徑營q 4 τχ ^ ’及其徑大於該小徑管9 4之徑而與前述大盒體部 8 5 a元成為一體之大徑管9 5所成者；小徑管9 4之了端係開口 在大徑營 吕Μ之上端’而大徑管95之下端係在動力裝置p之後 方向下方開口之。 曰 大徑管9 5之後方下部設有缺口部9 6，該缺口部9 6之 ^即大徑官9 4之後部開放端至前述小徑管9 4之下部開口 端為止之距離L1(參考圖5)係設定為短於在大徑管94之下 #開放端除前述後部之部位至前述小徑管9 4之下部開口端 為止之距離L2(參考圖5)。 第2盒體構件86中之大盒體部86a，有合成樹脂製之第一 吸瑕1官98之一端連接成可通至第一淨化室92，在第一進氣 吕之9 8之中間部有連接諧振器9 9。又，第一進氣管9 8之另 端為’在空氣濾清器8 2之前方側，連接於配置在引擎E 及订李箱8 0間之氣化器丨〇 〇，其一端連接於氣化器1 〇 〇之第 一進氣官101之另一端連接於汽缸蓋34之進氣口。換言之， 從進氣導管93導入空氣濾清器82之第一未淨化室91内之空 12 326\總檔\92\92222089\92222089(改請) M251022 氣係向第一淨化室92側通過渡清器蕊88而淨化之後引導至 氣化器1 0 0以别述進氣口吸進在該氣化器1 0 0所產生之混 合氣。 再者在第一盒體構件86之大盒體部86a，設有連接於第 一淨化室92之負壓取出管1〇2 ,該負壓取出管ι〇2係藉負壓 導管103而連結於氣化器100。 再者連〜引導弓丨擎E之漏氣之導管1 〇 4用之連接管1 0 5， 以在第進氣官9 8之開口端之附近連接於第一淨化室9 2内 之狀L °又在第一盒體構件8 6之大盒體部8 6 a内，而在大盒 體邰8 6 a内，有固定配置介在於連接管} 〇 5之内端開口部及 濾π器咖8 8之阻擋板！ 〇 6以避免自連接管^ 5導入第一淨化 至9 2内之漏氣直接接觸於滤清器蕊8 8而污染該濾清器蕊8 8 者0 二次空氣用空氣渡清器83為，具備有：第1盒體構件85 之J I體48 5 b，第二盒體8 6之小盒體部8 6 b，分別突設在 小盒體部85b，86b之複數個突部丨〇7· · · .，ι〇8. · · ·間所爽持 而配置在小盈體部8 5 b，8 6 b間之濾清器蕊丨〇 g丨在濾清器蕊 1 〇 9與第盈體構件8 5之小盒體部8 5 b之間，形成有其容量 J方、則述第未淨化室9 1之第二未淨化室1 1 〇，在濾清器蕊 10 9與第二盒體構件86之小盒體部86b之間，形成有其容量M251022 新型 Description of new model: [Technical field of new model] This creation is about a secondary air filter to purify the secondary air supplied to the auto two-wheeler system. The exhaust system of a two-wheeled vehicle for purifying an exhaust system of an engine of a frame that swings freely together constitutes a power unit together. [Prior Art] Conventionally, this device is known, for example, in Japanese Patent Application Laid-Open No. Hei 5-No. [What's new] (New type of problem to be solved) However, the above-mentioned conventional device is because the secondary air is installed in the frame of the vehicle frame, and the power unit and the exhaust system of the air filter need to be connected to the engine. The air filter for the secondary air is assembled in a vehicle state, and the connection operation is complicated. To solve the above-mentioned problems, the secondary air filter may be installed in the device, and the power unit may be assembled with the secondary air being connected to the exhaust system of the engine before being mounted on the frame. However, when the secondary air filter is installed, it is impossible to set the relationship between the dedicated space of the secondary air filter and the size of the secondary air filter. The air inlet of the external opening is set under the structure of the air filter housing of the secondary air, which not only makes the intake sound louder, but the range of the position of the aforementioned air inlet is limited, and it is easily affected by 326 \ File \ 92 \ 92222089 \ 92222089 (revisited) 5 exhaust valve connected to the supporter. 131969 Cleaner installation system is the same as the power, the tear cleaner, the frame, the force device is the most necessary and the most important filter, and the adverse effects of the water and mud splashed by the rear wheel M251022. This creation is made in view of the above situation; the purpose is to provide an exhaust system for the engine and an air filter for secondary air that can be easily connected, and reduce the intake sound of the air filter for secondary air. An exhaust purification device for a two-wheeled vehicle that can prevent the adverse effects of water and soil on the air filter for secondary air. (Means for Solving the Problem) In order to achieve the above-mentioned purpose, the creation described in item 1 of the scope of patent application is for the exhaust system of the engine that constitutes a power unit together with a stepless transmission and swingably supported by the frame. The exhaust gas purification device for a two-wheeled vehicle for connecting a secondary air filter for purifying secondary air supplied to the exhaust system is connected to a valve, and is characterized in that one end is extended from the secondary air filter At the intake pipe of the air filter for the secondary air installed in the power unit. According to the above structure, the air filter for secondary air can be installed on the power unit, and the air filter for secondary air can be connected to the exhaust system of the engine before being mounted on the frame, so that the connection work can be performed. For easy. The intake pipe is used to increase the substantial volume of the secondary air filter to reduce the intake sound. In addition, as a result of extending the intake pipe to an appropriate position, it is less likely to be adversely affected by water, mud, and the like splashed from the rear wheels. In addition, the creation described in item 2 of the scope of patent application is such that, in the constitution described in item 1 of the scope of patent application, the intake pipe extends through the vicinity of the swing pivot of the engine to the frame to cover the aforementioned The characteristics of the lower part of the pedal of the body cover of the frame are as follows; according to this structure, 326 \ total gear \ 92 \ 92222089 \ 92222089 (revised) can be avoided as much as possible. 6 M251022 Free from bending the intake pipe due to the swing of the power unit The external force acts on these, and the intake pipe can be appropriately arranged. In addition, the creation described in item 3 of the scope of patent application is that in the composition described in item 2 of the patent application, there is a trunk with a box-shaped trunk opened above the pedal, and the other end of the intake pipe The opening in the box is characteristic; according to this structure, it is possible to more effectively reduce the entry and more effectively prevent the air filter for secondary air from being adversely affected by soil and the like. [Embodiment] The form of the present invention will be described below based on one embodiment of the present invention shown in the drawings. Figures 1 to 1 1 show an embodiment of this creation, of which Figure 1 is a side view showing a two-wheeled vehicle, and Figure 2 is a view of the arrow 2 of Figure 1 showing the state of the body cover, the trunk and the case omitted Figure, Figure 3 is a diagram viewed from arrow 3 of Figure 1 with the pedal state omitted, and Figure 4 is a diagram of the power system's name. Figure 5 is an air filter for secondary air and a secondary air filter. FIG. 6 is a cross-sectional view of line 6-6 of FIG. 5, FIG. 7 is an enlarged cross-sectional view of line 7-7 of FIG. 5, and FIG. 8 is a side view of a partial cutout of the swing portion of the engine to the frame, FIG. 9 8 is a sectional view taken along the line 9-9 of FIG. 8 and 10 is an enlarged sectional view taken along the line 10-10 of FIG. 2, and FIG. 11 is a sectional view taken from the line 1 1-11. First, in FIG. 1, the frame F of the Scooter motorcycle includes a front frame 1 1 casted from aluminum alloy and the like, and a front frame 1 fixed by casting from an aluminum alloy. 1 Rear rear frame 12 2. The air intake range is placed on the baggage sound water and implemented as shown in Figure 5. Support is expanded as shown in Figure 5. The accessories in Figure 10 are gold, etc., plus 326 \ total gear \ 92 \ 92222089 \ 92222089 (requested) 7 M251022 pipe body made of metal and connected to the rear frame 1 2 and the rear frame 1 3. The front frame 11 is provided at the front tube portion 14 of the front end thereof, and can be steered freely to the front fork frame 17 of the front wheel WF. In front of the axle 18 of the front wheel WF at the lower end of the front fork frame 17, one end is fixed to the front fork 19 and the other end is connected to the axle 18, and the middle portion and the connecting rod 1 are in the direction of the front fork lower direction. The middle part of 9 is provided with a front buffer, and the upper end of the front fork frame 17 is provided with a consolidated steering handle 21. Referring to FIG. 2 and FIG. 3 together, the aforementioned front frame 11 is an integrated tool 14 that extends from the head pipe portion 14 downward and downward to the frame portion 15 to the left and right of the frame portion 15 and extends rearward to the left and right. The pair of pedal portions 16 and 16 are cast. Then, the rear frame 12 is fastened to the rear ends of the holding portions 16 and 16. The engine E disposed on the front side of the rear wheel WR and the power unit P formed by the stepless speed changer M disposed on the rear wheel are the rear frame 1 2 supported by the shock-proof link 22 to the middle to swing. freely. The horizontally water-cooled single-steam engine is used to arrange the cylinders slightly forward of the vehicle body. The stepless transmission M is, for example, a belt type. In FIG. 4, the engine E is provided with a first engine block 32 and a second 3 3. The first engine block 3 2 constitutes a cylinder block 3 2! And the crankcase half section two engine blocks 3 3 constitutes a crankcase 2 9. The other half. A coupling cylinder head 34 is provided at the front end of the first engine block 32, and a coupling head cover body 35 is provided at the cylinder end. The first and second engine blocks 32, 33 are connected to the generator cover 36. 326 \ Total gear \ 92 \ 92222089 \ 92222089 (revised) 8 The auxiliary vehicle's ground support span is arranged on the lower end of the frame 17 above the frame 20. There is a head tube part, from the front and rear of the left side of the lower support frame two pedal support WR [E series, for example, cylinder four cycle 'ring engine block 3 2 2, the front side of the cover 34 has a knot M251022 stepless transmission M series is equipped with The right side casing 37 and the left side casing 38, which are combined with each other, and the right side surface of the front portion of the right side casing 37 are coupled to the left side surfaces of the first and second engine blocks 32, 33. In addition, a reduction gear casing 39 is connected to the right side of the rear part of the right casing 37. A piston 4 2 inside a cylinder 4 1 included in the first engine block 32 is slidably fitted, and a connecting rod 4 3 and a crank pin 28 are connected to the crank 31. The cylinder head 34 supports a camshaft 4 4 rotatably, and an intake valve and an exhaust valve (not shown) provided in the cylinder head 34 are opened and closed by the camshaft 4 4. Set in the chain passage 40 of the first engine block 32, there is a timing chain 45, which is wound around a driving sprocket 46 provided on the crankshaft 31 and a driven sprocket provided on the camshaft 44 4 7. Thus, when the crankshaft 31 is rotated twice, the camshaft 44 is rotated once. At the left end of the crankshaft 31 which protrudes inside the right case 37 and the left case 38, a drive pulley 54 is provided. The drive pulley 5 4 is provided with a fixed-side pulley half 5 5 fixed to the crankshaft 31, and a movable pulley half 56 accessible to and away from the fixed-side pulley half 5 5 and a movable-side pulley half 56 correspondingly. The centrifugal weight 57 that is rotated outward in the radial direction by the number of rotations of the crankshaft 31 is forced to approach the fixed-side pulley half body 55. The output shaft 5 8 supported on the right side of the housing 3 7 and the rear of the reducer housing 3 9 is provided with a driven pulley 5 9 provided with a fixed side pulley half supporting the output shaft 5 8 relatively freely. 60, and the movable pulley half 6 1 which can be approached and separated from the fixed side pulley half 60, the movable pulley half 6 1 is elastically urged to the fixed pulley half 60 by a spring 62. A starting clutch 63 is provided between the fixed-side pulley half 60 and the output shaft 58. Then, an endless V-belt 6 4 is wound between the driving pulley 54 and the driven pulley 59. 9 326V total gear \ 92 \ 92222089 \ 92222089 (revised) M251022 Between the right-hand housing 37 and the reducer housing 39, there are intermediate shafts 6 5 and wheel shafts 6 6 that support the output shaft 5 8 parallel to the aforementioned; A reduction gear train 6 7 is provided between the output shaft 5 8, the intermediate shaft 6 5 and the wheel shaft 6 6. Then, a rear wheel W R is provided at the right end of the gear shaft 6 6 penetrating through the reducer housing 39. In the stepless speed changer M described above, the rotational power of the crankshaft 31 is transmitted to the drive pulley 54, and the V-belt 64, the driven pulley 59, the starting clutch 63, and the reduction gear train 67 are transmitted from the drive pulley 54. To the rear wheel WR. Then, when the engine E rotates at a low speed, the centrifugal force acting on the centrifugal weight 57 of the driving pulley 54 is small, and the fixed-side pulley half 60 is reduced due to the elastic force of the spring 62 of the driven pulley 59. The grooves on the movable side pulley half 6 1 are wide, and the gear ratio becomes LOW. When the number of rotations of the crankshaft 31 increases from this state, the centrifugal force acting on the centrifugal weight 57 increases, and the grooves between the fixed-side pulley half 55 and the movable-side pulley half 56 of the driving pulley 54 are widened. The relationship between the reduction and the increase in the groove width between the fixed-side pulley half 60 and the movable-side pulley half 61 of the driven pulley 59 is changed, and the gear ratio changes from L 0 W to T 0 P in steps. Of it. An alternator 6 8 provided on the right side of the crankshaft 31 is covered with a generator cover 36, and a radiator 6 9 is provided on the right side of the generator cover 36. A cooling fan 70 fixed to the right end of the crank shaft 31 is arranged between the alternator 68 and the radiator 69 to supply cooling air to the radiator 69. The cooling fan 70 and the radiator 6 9 arranged outside the cooling fan 70 are covered with a synthetic resin cover 7 4 fixed to the generator cover 36, and the cover 7 4 is outside A louver 75 for sucking in cooling air from the outside is provided on the side. In addition, on the right side of the cylinder head 34, there is a constant 10 326V combined with the internal housing thermostat 7 1 \ 92 \ 92222089 \ 92222089 (revised) M251022 Thermostat box 7 2 will be located at the right end of the camshaft 4 4 The cooling water pump 73 is housed in a space surrounded by the cylinder head 34 and the thermostat box 72. Returning again to FIGS. 1 and 2, a rear buffer device 76 is provided between the rear portion of the power unit P and the rear frame 12. The exhaust pipe 7 7 for guiding the exhaust of the engine E is extended from the engine E to the right side of the rear wheel WR. The exhaust pipe 7 7 is connected to an exhaust muffler disposed on the right side of the rear wheel WR 7 8. In addition, the engine E has a support stand 79 which can rotate freely. Above the middle part of the rear frame 12, there is a trunk 80 for accommodating a helmet and the like above the engine E, and there is a support fuel tank 81 for the auxiliary frame 13. In FIGS. 5 and 6, the rear of the power unit P is provided with an air filter 8 2 on the side above the rear wheel WR to purify the air supplied to the intake system of the engine E. In this air filter 8 2Front part is equipped with an air filter 83 for secondary air. The air filter 8 2 is provided with a common air filter case 8 4 for the secondary air filter 8 3. The air filter case 8 4 is a first and a second made of synthetic resin. The two box members are made of 85, 86. The first box member 85 is formed to have a bowl-shaped large box body portion 8 5 a and a bowl-shaped portion that is smaller than the large box body portion 8 5 a and is opened in the same direction as the large box body portion 8 5 a. The small box body portion 8 5 b is integrated, and the second box body member 86 is formed to have a bowl-shaped large box body portion 86 a and a small box body portion 85 b fitted to the first box body member 85. The bottom box-shaped small box body part 86b is integrated; the first and second box body parts 85, 86 are large box body parts 8 5 a, 8 6 a which are fixed with each other by a plurality of screw members 8 7 ... Of it. The air filter 8 2 is held between the large box body part 8 5 a of the first box body member 8 5 and the large box body part 8 6 a of the second box body member 8 6, and holds the filter core 8 8 11 326 \ Total file \ 92 \ 92222089 \ 92222089 (revised) M251022 holding member 8 Q # 卞 δ 9 formed by the peripheral part; filter core 8 8 and holding member and the first box member 85 Between the large box body portion 85a, a first unpurified to 9 1 ′ is formed, and between the cleaner core 8 8 and the holding member 89, and between the second box body member large a body portion 8 6 a, a first A clean room 9 2. In FIG. 7 ', an air inlet duct 93 for guiding the second air from the outside to the first uncleaned room 91 is provided at the lower side behind the air cleaner 82. The intake duct 93 is arranged in the first uncleaned room 91 in a state inclined toward the μ + side, and the j-end portion is a small one supported by the large box body portion 85 a of the first box body member 85. The diameter camp q 4 τχ ^ 'and its diameter is larger than the diameter of the small diameter tube 9 4 and formed by the large diameter tube 95 which is integrated with the large box body 85 a; the small diameter tube 94 is at the end The opening is at the upper end of the large-diameter camp, and the lower end of the large-diameter tube 95 is opened downward in the direction behind the power unit p. The large diameter tube 9 5 is provided with a notch portion 9 6 at the lower part, and the notch portion 96 is the distance L1 from the open end of the large diameter officer 9 4 to the open end of the lower portion of the small diameter tube 9 4 (refer to FIG. 5) is set to be shorter than the distance L2 from the #open end under the large-diameter tube 94 except for the aforementioned rear portion to the open end below the small-diameter tube 94 (see FIG. 5). The large box body part 86a of the second box body member 86 has one end of the first suction flaw 98 made of synthetic resin connected to the first purification chamber 92, and is in the middle of the first air inlet 9-8.部 有 连接 sons 9 9. In addition, the other end of the first intake pipe 9 8 is “on the front side of the air cleaner 82”, and is connected to a carburetor arranged between the engine E and the luggage case 80. One end is connected to The other end of the first intake valve 101 of the carburetor 100 is connected to the intake port of the cylinder head 34. In other words, the space 12 326 \ total gear \ 92 \ 92222089 \ 92222089 (revised) M251022 air system passes through the first clean room 92 introduced into the air cleaner 82 from the air inlet duct 93 The purifier core 88 is cleaned and guided to the gasifier 100 to suck the mixed gas generated in the gasifier 100 at a different air inlet. Furthermore, a large box body portion 86a of the first box body member 86 is provided with a negative pressure extraction pipe 102 connected to the first purification chamber 92. The negative pressure extraction pipe ι2 is connected by a negative pressure pipe 103.于 Gasifier 100. Furthermore, it is connected to the guide bow 丨 the leaking duct 1 of the engine E 104 and the connecting pipe 10 5 for connecting the inside of the first purification chamber 92 near the opening end of the first intake valve 98 ° In the large box body 8 6 a of the first box body member 8 6, and in the large box body 8 6 a, there is a fixed configuration interposed in the connecting pipe} 〇5 inner opening and filter Coffee 8 8's blocking board! 〇6 To avoid leakage from the connection pipe ^ 5 into the first purification to 9 2 directly contact the filter core 8 8 and contaminate the filter core 8 8 0 secondary air purifier 83 for It is provided with: a JI body 48 5 b of the first box body member 85, and a small box body portion 8 6 b of the second box body 86, which are respectively protruded from the small box body portions 85b and 86b. 7 ···. ， Ι〇8. ··· Situated in the small body part 8 5 b, 8 6 b filter core 丨 〇g 丨 in the filter core 1 〇9 and Between the small box body part 8 5 b of the first body member 85 and its capacity J is formed, the second uncleaned room 1 1 0 of the first uncleaned room 9 1 is described, and the filter core 10 9 and The capacity of the small box body portion 86b of the second box body member 86 is formed.
小於前述第一淨化宮* Q G至9 Z之第一净化室1 1 1。又小盒體部 8 5 b，8 6 b係用螺絲構件！丨2互相結合之。 第二盒體構件86之小盒體部86b，一體設有連接於第二淨 化至1 1 1之連接管1 1 3，其一端連接於該連接管i丨3之第一空 13 326\總檔\92\92222089\92222089(改請) M251022 氣導管1 1 4之另一端係連接於空氣量控制閥1 1 5。如圖3所 示，該空氣量控制閥1 1 5係在相反於安裝在汽缸蓋3 4之火花 塞116之一方，安裝於頭蓋體35。又，有空氣量控制閥115 為藉第二空氣導管118而連接於設在頭蓋體35之簧片閥等 之止回閥1 1 7，由二次空氣用空氣濾清器8 3所淨化之二次空 氣係由空氣量控制閥1 1 5控制空氣量，藉前述止回闊1 1 7而 供給於汽缸蓋3 4之排氣口 （未圖示）。 空氣量控制閥1 1 5係相應引擎E之負壓而動作，在第二進 氣管1 0 1之中間部有連接負壓管1 1 9以便引導負壓於空氣量 控制閥1 1 5。 在第二盒體構件8 6之小盒體部8 6 b —體設有從外部導入 空氣於二次空氣用空氣濾清器83之第二未淨化室111用之 空氣導入管1 2 0，其為貫穿空氣濾清器蕊1 0 9而開口其内端 於第二未淨化室11 1内之狀態，其一端連接於該空氣導入管 120之進氣管121經過引擎E之車架F之擺動支軸131之附 近，向前方側延伸之。 引擎E係藉防震連桿2 2而支撐於車架F之後部車架1 2者； 茲參考圖8及圖9，將該防震連桿2 2之構造說明如下。 防震連桿2 2係具備有：設在引擎E之左右一對之引擎側托 架1 2 3 !，1 2 3 2，其一端擺動自如地連結於各引擎側托架 1 2 3 1 2 3 2之同時，另一端為擺動自如地連結於後部車架1 2 之左右一對之連1 2 4 !，1 2 4 2，連結兩連桿1 2 4 I，1 2 4 2間之橫向 構件1 2 5，以頂接後部車架1 2之狀態設在一方之前述連桿 1 2 4 1之一對止動橡膠1 2 6，1 2 7。 14 326\總檔\92\92222089\92222089(改請) M251022 引擎側托架1 2 3 ι，1 2 3 2係以向上方突出之姿態設在引擎E 該等引擎側托架1 2 3 i，1 2 3 2為同軸地設有安裝孔1 2 8，1 2 8， 各安裝孔128 ,128有壓入橡膠套筒129,129，在兩橡膠套筒 1 2 9, 1 2 9間有介裝圓筒狀之隔離件1 3 0。插通於兩橡膠套筒 129, 129及隔離件130之作為擺動支軸131之螺栓之兩端為 連結於引擎側托架1 23!，1 2 3 2。 在後部車架1 2之兩側，同軸地設有支持孔1 3 2，1 3 2，各支 持孔1 3 2，1 3 2有壓入橡膠套筒1 3 3，1 3 3。然後，設在兩連桿 124^,1242之另一端而與前述擺動支軸131平行之螺栓 134, 134為藉前述橡膠套筒133,133而擺動自如地支撐於後 部車架1 2之兩側。 在一方之連桿1 2 4 !中，連結擺動支軸1 3 1及螺栓1 3 4之中 心之直線之前方側設有箱體狀之橡膠支持部1 3 5，在後部車 架12之下面形成有使安裝於該橡膠支持部135之止動橡膠 1 2 6頂接之頂接面1 3 6。又，在前述連桿1 2 4 1中，擺動支轴 1 3 1及螺栓1 3 4之中心之直線之後方側設有箱狀之橡膠支持 部1 3 7，在後部車架1 2之下面形成有使安裝於該橡膠支持部 137之止動橡膠127頂接之頂接面138。 連接兩連桿1 2 4 i，1 2 4 2之橫向構件1 2 5係形成為下方開放 之略U字形狀，以跨越配置在兩連桿1 2 4 !，1 2 4 2之後方側之 前述氣化器100,及連結引擎E之間之第二進氣管1〇1之狀態 配置之。 以該防震連桿2 2，動力裝置P之引擎e作用於擺動支細} 3 i 之負何為’由橡膠套同129 ,129之彈性變形而吸收之同日寺 15 326V總檔\92\92222089\92222089(改請) M251022 止動橡膠1 2 6，1 2 7被壓接於頂接面1 3 6，1 3 8而彈性變形而吸 收，再者以橡膠套筒1 3 3，1 3 3之彈性變形也可吸收之。 於是，前述進氣管1 2 1係經過前述防震連桿2 2中之擺動支 軸1 3 1之附近而向前方側延伸之。 車架F係以合成樹脂製之車身蓋體1 4 1覆蓋者；該車身蓋 體1 4 1係包括有：覆蓋駕駛者之腳之前方之護腳板1 4 1 a，放 置駕駛者之腳而連接於護腳板1 4 1 a下部之踏板1 4 1 b，覆蓋 踏板141b之下方而連接於護腳板141a及踏板141b之下部蓋 體141c，連接於踏板141b及下部蓋體141c而從兩邊覆蓋車 身後部之側面蓋體141 d者。 支持在後部車架1 2上之行李箱8 0之大部分，以及支持在 輔助車架1 3上之燃料箱8 1係由上述側面蓋體1 4 1 d所覆蓋， 從上面可覆蓋行李箱8 0之座椅1 4 2位於引擎E之上面而以開 閉自如之狀態安裝於側面蓋體1 4 1 d之上部。又，燃料箱8 1 所具備之燃料注入用之蓋體8 1 a係以從側面蓋體1 4 1 d之上 部向上方突出之狀態配置之。 請特別注意圖3，在前部車架1 1中之兩地板支持車架部 1 β , 1 6間，踏板1 4 1 b之下方，有固定配置上部開放之箱形之 行李箱143。在該行李箱143内之前部，用橡膠帶144固定而 收容電池1 4 5。又，將配置在電池1 4 5之左側之繼電器 1 4 6，1 4 7 , 1 4 8，配置在電池1 4 5後方側之保險絲1 4 9，1 5 0，酉己 置在該等保險絲1 4 9，1 5 0之後方側之調節器1 5 1，及在電池 1 4 5之後方配置在調節器1 5 1之右側之散熱器備用槽1 4 7等 收容於行李箱1 4 3内。 16 326\總檔\92\92222089\92222089(改請) M251022 然後，其一端連接於前述二次空氣用空氣濾清 前方側延伸出之進氣管1 2 1之另一端係延伸至踏术 下方，開口於前述行李箱1 4 3内。 如圖2所示，該自動二輪車為，散熱器6 9配置4 右側，因此，將散熱器6 9及覆蓋該散熱器6 9之蓋 在前述下部蓋體1 4 1 c之右側面之内方側以便為了 自動二輪車等而將其向右側倒下時，用以保護散 而且在下部蓋體1 4 1 c之右側後部内面，一體設 例如三個加強用肋條1 5 4，1 5 4，1 5 4使其可頂接於^ 部車架1 2之右側面。而各加強用肋條1 5 4.....之 架1 2側之突出量係設定成為，當自動二輪車在通 時，各加強用肋條1 5 4....不必頂接於後部車架1 面，但把自動二輪車向右側倒下時，因下部蓋體 側外面與地面接解所致之下部蓋體1 4 1 c之撓曲之 接於後部車架1 2之右側面時，使前述蓋體7 4未與 之狀態者。 其次，就該實施例之作用說明如下。因為供給 之排氣系統（在本實施例中則汽缸蓋3 4之排氣口 氣予以淨化用之二次空氣用空氣濾清器8 3安裝於 P的關係，在裝配於車架F之前可實行二次空氣用 器8 3連接於引擎E之排氣系統之作業，可容易實才 業。 而且，由於安裝在動力裝置P的關係，二次空氣 清器8 3之容量不得不設定成最少限度，但從外部 326V總檔 \92\92222089\92222089(改請) 17 器8 3而從 L 141b之 :引擎E之 體7 4配置 要修理該 熱器6 9。 有複數個 L架F中後 向後部車 常之狀態 2之右側 1 4 1 c之右 結果而頂 地面接觸 於引擎E )二次空 動力裝置 空氣濾清 h連接作 用空氣渡 導入空氣 M251022 於二次空氣用空氣濾清器8 3内之進氣管1 2 1為從二次空氣 用空氣濾清器8 3延伸出的關係，由於該進氣管1 2 1而可增加 二次空氣用空氣濾清器83之實質的容積而可減低進氣音。 又，進氣管1 2 1係經過引擎E對車架F之擺動支軸1 3 1之附 近，延伸至踏板141b之下方，可儘量避免因動力裝置P之擺 動而彎曲進氣管1 2 1等之外力作用於該進氣管1 2 1，可把進 氣管1 2 1適當地佈置在不容易受到以後輪WR所飛濺之水及 泥土等不良影響之位置。 再者，在踏板141b之下方，有配置收容電池145，繼電器 1 4 6，1 4 7，1 4 8，保險絲1 4 9，1 5 0及調節器1 5 1等之電裝品，及 散熱器備用槽1 4 7等而開放上方之行李箱1 4 3，進氣管1 2 1 開口於該行李箱1 4 3内。因此，可以更有效地減低二次空氣 用空氣濾清器8 3之進氣音之同時，可有效地防止二次空氣 用空氣濾清器8 3受到水及泥土等之不良影響。 在該自動二輪車中，在引擎E之右側，有配置散熱器6 9， 覆蓋該散熱器6 9之蓋體7 4，但有配置散熱器6 9之一側之下 部蓋體1 4 1 c之一側内面，即下部蓋體1 4 1 c之右側内面，有 突設可頂接於車架F之後部車架1 2之加強肋條1 5 4 ....，有 散熱器6 9及蓋體7 4配在下部蓋體1 4 1 c之右側外面之内方 側。 因此，為了要檢修等而把自動二輪車向右側倒下時，下 部蓋體1 4 1 c之右側外面為比散熱器6 9及蓋體7 4先與地面接 觸，加強肋條1 5 4....頂接於後部車架1 2之結果，可確保下 部蓋體1 4 1 c之右側之剛性的關係，可避免散熱器6 9及蓋體 18First purification chamber 1 1 1 smaller than the aforementioned first purification palace * Q G to 9 Z. And the small box body parts 8 5 b, 8 6 b are made of screws!丨 2 combined with each other. The small box body part 86b of the second box body member 86 is integrally provided with a connection pipe 1 1 3 connected to the second purification to 1 1 1 and one end thereof is connected to the first space 13 326 of the connection pipe i 丨 3. Gear \ 92 \ 92222089 \ 92222089 (revised) M251022 The other end of the air duct 1 1 4 is connected to the air volume control valve 1 1 5. As shown in Fig. 3, the air amount control valve 1 1 5 is attached to the head cover 35 in a direction opposite to the spark plug 116 attached to the cylinder head 34. Further, an air volume control valve 115 is connected to a check valve 1 1 7 such as a reed valve provided in the head cover 35 through a second air duct 118, and is purified by a secondary air filter 8 3 The secondary air is controlled by the air volume control valve 1 15 and is supplied to the exhaust port (not shown) of the cylinder head 34 by the aforementioned check width 1 17. The air volume control valve 1 1 5 is operated according to the negative pressure of the engine E. A negative pressure tube 1 1 9 is connected to the middle of the second air inlet pipe 1 0 1 to guide the negative pressure to the air volume control valve 1 1 5. The small box body part 8 6 b of the second box body member 86 is provided with an air introduction pipe 1 2 0 for introducing air from the outside to the second unclean room 111 of the secondary air filter 83. It is a state in which the inner end of the air filter core 10 is opened and the inner end thereof is opened in the second uncleaned room 11 1. One end of the intake pipe 121 connected to the air introduction pipe 120 passes through the frame F of the engine E. The vicinity of the swing support shaft 131 extends forward. The engine E is supported by the rear frame 12 of the frame F by means of the shock-proof link 22; with reference to FIGS. 8 and 9, the structure of the shock-proof link 22 is described below. The anti-vibration link 2 2 is provided with a pair of engine-side brackets 1 2 3!, 1 2 3 2 provided on the left and right sides of the engine E, and one end thereof is swingably connected to each of the engine-side brackets 1 2 3 1 2 3 At the same time, the other end is a cross member connected to the left and right of the rear frame 1 2 and connected to the rear frame 1 2 1 2 4!, 1 2 4 2 and 1 2 4 I, 1 2 4 2 1 2 5. A pair of stopper rubbers 1 2 6 and 1 2 7 are arranged on one of the aforementioned connecting rods 1 2 4 1 in a state of abutting the rear frame 12. 14 326 \ Total gear \ 92 \ 92222089 \ 92222089 (revised) M251022 Engine-side brackets 1 2 3 ι, 1 2 3 2 are set on the engine E in a posture protruding upwards. These engine-side brackets 1 2 3 i 1 2 3 2 are coaxially provided with mounting holes 1 2 8 and 1 2 8. Each mounting hole 128, 128 has a press-fit rubber sleeve 129, 129, and there is a medium between the two rubber sleeves 1 2 9, 1 2 9. Cylindrical spacer 1 3 0. Both ends of the bolt serving as the swing support shaft 131 inserted through the two rubber sleeves 129, 129 and the spacer 130 are connected to the engine-side brackets 1 23 !, 1 2 3 2. Supporting holes 1 3 2 and 1 2 2 are coaxially provided on both sides of the rear frame 12 and each supporting hole 1 3 2 and 1 3 2 have press-fitted rubber sleeves 1 3 3 and 1 3 3. Then, bolts 134, 134 provided at the other ends of the two links 124 ^, 1242 and parallel to the swing support shaft 131 are swingably supported on both sides of the rear frame 12 by the rubber sleeves 133, 133. In one of the connecting rods 1 2 4!, A box-shaped rubber support portion 1 3 5 is provided on the front side of the straight line connecting the centers of the swing support shafts 1 3 1 and the bolts 1 3 4 under the rear frame 12 An abutment surface 1 3 6 is formed to abut against the stopper rubber 1 2 6 mounted on the rubber support portion 135. Further, in the connecting rod 1 2 4 1, a box-shaped rubber support portion 1 3 7 is provided behind the straight line of the center of the swing support shaft 1 3 1 and the bolt 1 3 4, and is located below the rear frame 12. An abutment surface 138 is formed to abut against the stopper rubber 127 mounted on the rubber support portion 137. The cross member 1 2 5 connecting the two links 1 2 4 i, 1 2 4 2 is formed in a slightly U-shape that is open below, so as to straddle the two links 1 2 4!, 1 2 4 2 The state of the aforementioned gasifier 100 and the second intake pipe 101 connected between the engine E are arranged. With this shock-proof connecting rod 22, the engine e of the power unit P acts on the swing support} What is the negative of 3 i 'is absorbed by the elastic deformation of the rubber sleeve with 129,129, the same day temple 15 326V \ 92 \ 92222089 \ 92222089 (Please change) M251022 Stop rubber 1 2 6, 1 2 7 is crimped to the abutment surface 1 3 6, 1 3 8 and elastically deformed and absorbed, and then a rubber sleeve 1 3 3, 1 3 3 The elastic deformation can also be absorbed. Then, the aforementioned intake pipe 1 2 1 extends toward the front side through the vicinity of the swing support shaft 1 3 1 in the aforementioned shock-proof link 22. The frame F is covered by a synthetic resin body cover 1 4 1; the body cover 1 4 1 includes: a foot guard 1 4 1 a covering the driver's feet, and placing the driver's feet. The pedal 1 4 1 b connected to the foot guard 1 4 1 a covers the lower part of the pedal 141 b and is connected to the foot guard 141 a and the lower cover 141 c of the pedal 141 b. It is connected to the pedal 141 b and the lower cover 141 c to cover the vehicle body from both sides. The rear side cover 141 d. Most of the trunk 80 supported on the rear frame 12 and the fuel tank 8 1 supported on the auxiliary frame 13 are covered by the above-mentioned side cover 1 4 1 d. The trunk can be covered from above The 80 seat 1 4 2 is located above the engine E and is mounted on the upper side of the side cover 1 4 1 d in a freely openable and closable state. The fuel injection cover 8 1 a included in the fuel tank 8 1 is disposed in a state of protruding upward from the upper portion of the side cover 1 4 1 d. Please pay special attention to Figure 3. Two floor support frames 1 β and 16 in the front frame 11 and a pedal-shaped trunk 143 are fixedly arranged below the pedals 1 4 1 b. A battery 144 is fixed to the front portion of the trunk 143 to accommodate the battery 145. In addition, the relays 1 4 6, 1 4 7, 1 4 8 arranged on the left side of the battery 1 4 5 and the fuses 1 4 9, 1 50 0 arranged on the rear side of the battery 1 4 5 are placed in these fuses. 1 4 9, 1 5 1 The rear side regulator 1 5 1 and the radiator spare tank 1 4 7 arranged to the right of the regulator 1 5 1 behind the battery 1 4 5 are stored in the trunk 1 4 3 Inside. 16 326 \ Total gear \ 92 \ 92222089 \ 92222089 (revised) M251022 Then, one end is connected to the intake pipe 1 2 1 extending from the front side of the air filter for the secondary air, and the other end is extended below the step. , Opening in the suitcase 1 4 3. As shown in FIG. 2, the two-wheeled vehicle has a radiator 6 9 configured on the right side 4. Therefore, the radiator 6 9 and the cover covering the radiator 6 9 are located on the right side of the lower cover 1 4 1 c. The side is used to protect the motorcycle when it is lowered to the right for a motorcycle or the like. On the inner side of the right rear part of the lower cover 1 4 1 c, for example, three reinforcing ribs 1 5 4, 1 5 4, 1 are integrally provided. 5 4 makes it abut on the right side of ^ frame 1 2. And the protruding amount of each reinforcing rib 1 5 4 ..... on the side 12 of the frame is set so that when the motorcycle is on, each reinforcing rib 1 5 4 .... does not need to be abutted on the rear frame 1 side, but when the motorcycle is to the right, the deflection of the lower cover 1 4 1 c caused by the disconnection of the outer side of the lower cover from the ground is connected to the right side of the rear frame 12 The cover 74 is not in the state. Next, the effect of this embodiment will be described below. Because the supplied exhaust system (in this embodiment, the exhaust air of the cylinder head 3 4 is used to purify the secondary air air filter 8 3 is installed in P, it can be implemented before it is mounted on the frame F. The secondary air device 83 can be easily connected to the exhaust system of the engine E. Moreover, the capacity of the secondary air cleaner 83 must be set to a minimum because it is installed in the power unit P. But from the outside 326V total file \ 92 \ 92222089 \ 92222089 (revisited) 17 device 8 3 and L 141b: engine E body 7 4 configuration to repair the heater 6 9. There are multiple L racks F in the rear To the rear of the car in the normal state 2 to the right of 1 4 1 c and the top ground comes into contact with the engine E) secondary air power unit air filter h connection action air introduction air M251022 air filter for secondary air 8 The intake pipe 1 2 1 in 3 is a relationship extending from the secondary air filter 8 3. The intake pipe 1 2 1 can increase the substantial volume of the secondary air filter 83. And can reduce the intake sound. In addition, the intake pipe 1 2 1 passes through the vicinity of the swing support shaft 1 3 1 of the engine E to the frame F, and extends below the pedal 141b, which can avoid bending the intake pipe 1 2 1 as much as possible due to the swing of the power unit P. The external force acting on the air intake pipe 1 2 1 can appropriately arrange the air intake pipe 1 2 1 at a position that is not easily affected by the adverse effects of water and soil splashed by the rear wheel WR. In addition, under the pedal 141b, there are electrical components such as a storage battery 145, a relay 1 4 6, 1 4 7, 1 4 8, a fuse 1 4 9, 1 50, and a regulator 1 51, and heat dissipation. The spare tank 1 4 7 and the like open the trunk 1 4 3 above, and the intake pipe 1 2 1 opens in the trunk 1 4 3. Therefore, it is possible to more effectively reduce the intake noise of the secondary air filter 83 and effectively prevent the secondary air filter 83 from being adversely affected by water, soil, and the like. In this motorcycle, on the right side of the engine E, there is a radiator 7 9 configured to cover the radiator 6 9, but there is a lower cover 1 4 1 c on one side of the radiator 6 9. The inner surface on one side, that is, the right inner surface of the lower cover 1 4 1 c, is provided with a reinforcing rib 1 5 4 ... which can be abutted on the rear frame 12 of the frame F, and has a radiator 6 9 and a cover. The body 74 is arranged on the inner side of the outer side of the right side of the lower cover 1 4 1 c. Therefore, when the motorcycle is toppled to the right for maintenance, etc., the outside of the right side of the lower cover 1 4 1 c is in contact with the ground before the radiator 6 9 and the cover 7 4, and the reinforcing ribs 1 5 4 ... . As a result of being attached to the rear frame 12, the rigid relationship of the right side of the lower cover 1 4 1 c can be ensured, and the radiator 6 9 and the cover 18 can be avoided.
326\總檔\92\92222089\92222089(改請) M251022 7 4對地面之接觸。 其結果，不需要把車架F之一部分作為散熱器6 9及蓋 之保護裝置，可避免車架F重量之增加而可減低成本， 車架F之寬度不增加的關係，可防止駕駛者之腳部著地 降低，再者，僅僅改造下部蓋體1 4 1 c之一部分則可適 其他機種的關係，可提高泛用性。 又，對動力裝置P安裝空氣濾清器盒體8 4之空氣濾清 内，從外面導入空氣用之進氣導管9 3係由對空氣濾清 體8 4内之第一未淨化室9 1連接上端之小徑管9 4，及形 比該小徑管9 4大徑而其上端連接於小徑管9 4下端之大 9 5所構成，前述大徑管9 5之後部開放端至前述小徑管 下部開口端為止之距離L 1係設定成短於在前述大徑管 下部開放端中從除前述後部之部位至前述小徑管9 4之 開口端為止之距離L 2者。 根據該進氣導管9 3之構成，自動二輪車之行駛而在 導管9 3中之大徑管9 5之前壁之後方側產生負壓，利用 壓而把外部之空氣從進氣導管93有效地導入於第一未 室91内。換言之，可把外部空氣向進氣導管93之進氣 特定於進氣導管9 3之後方側者。因此，雖然自動二輪 行駛時，因在車身蓋體1 4 1之後方側所產生之負壓所致 捲入而在動力裝置P之後部有塵埃堆積，但可儘量避免 濾清器8 2吸入該塵埃。而且進氣導管9 3係在大徑管9 5 之一部分設有缺口部9 6等之簡單形狀則可，不會增加免 以上，詳述本創作之實施例，然而，本創作並非限 326\總檔\92\92222089\92222089(改請) 19 體74 又， 性之 用於 器82 器盒 成為 徑管 94之 95之 下部 進氣 該負 淨化 方向 車在 風之 空氣 L本。 定於 M251022 上述實施例，在不脫離申請專利範圍所記載之本創作範圍 内，可做各種設計變更。 (創作效果） 如上述，根據申請專利範圍第1項之創作，在裝配於車架 之前完成二次空氣用空氣濾清器對於引擎之排氣系統之連 接來使連接作業容易，藉進氣管而可增加二次空氣用空氣 濾清器之實質上容積來減低進氣音，把進氣管延長至適當 位置之結果，可不容易受到以後輪所飛濺之水或泥土等之 不良影響。 又，根據申請專利範圍第2項之創作，可儘量避免因動力 裝置之擺動等而彎曲進氣管等之外力作用於進氣管，可適 當地佈置進氣管。 再者根據申請專利範圍第3項之創作，可更有效地減低進 氣音之同時，可更有效地防止二次空氣用空氣濾清器受到 水及泥土等之不良影響。 【圖式簡單說明】 圖1係顯示自動二輪車之側視圖。 圖2係顯示省略車身蓋，行李箱及燃料箱之狀態之圖1之 箭號2所視之圖。 圖3係顯示省略踏板之狀態之圖1之箭號3所視之圖。 圖4係顯示動力系統之橫剖視圖。 圖5係顯示空氣濾清器及二次空氣用空氣濾清器之擴大 側視圖。 圖6係顯示圖5之線6 _ 6之剖視圖。 20 326\總檔\92\92222089\92222089(改請) M251022 圖7係顯示圖5之線7 - 7之放大剖視圖。 圖8係顯示引擎對車架之擺動支持部之局部缺口側視圖 圖9係顯示圖8之線9 - 9之剖視圖。 圖1 0係顯示圖2之線1 0 - 1 0之放大剖視圖。 圖1 1係顯示圖1 0之線1 1 - 1 1之剖視圖。 (元件符號說明） 11 前部車架 12 後部車架 13 輔助車架 14 頭管部 15 下向車架部 16 踏板支持車架部 17 前部叉架 18 輪軸 19 連桿 20 前部緩衝器 2 2 防震連桿 28 曲軸銷 3 1 曲軸 32 第1引擎體 32ι 汽缸體 3 2 2 曲軸箱半部 3 3 第2引擎體 34 汽缸蓋 326\總檔\92\92222089\92222089(改請) 21 M251022 35 頭蓋體 36 發電機蓋體 37 右側殼體 38 左側殼體 39 減速機殼體 4 0 鍵條通路 4 1 汽缸 42 活塞 43 連結桿 44 凸輪軸 4 5 定時鏈 4 6 驅動鍵輪 4 7 從動鏈輪 5 4 驅動皮帶輪 55 固定側皮帶輪半體 56 可動皮帶輪半體 5 7 離心重錘 5 8 輸出軸 59 從動皮帶輪 60 固定側皮帶輪半體 6 1 可動皮帶輪半體 6 2 彈簧 63 起動用離合器 64 V形帶 326\總檔\92\92222089\92222089(改請) 22 M251022 65 中間軸 6 6 輪轴 6 7 減速齒輪 68 交流發電機 6 9 散熱器 7 0 冷卻風扇 7 1 恆溫器 7 2 恆溫器盒326 \ Total file \ 92 \ 92222089 \ 92222089 (revised) M251022 7 4 Contact with the ground. As a result, it is not necessary to use a part of the frame F as a protective device for the radiator 69 and the cover, which can avoid the increase in the weight of the frame F and reduce the cost. The relationship that the width of the frame F does not increase can prevent the driver from The feet are lowered to the ground. Furthermore, only a part of the lower cover 1 4 1 c can be adapted to the relationship of other models, which can improve the versatility. In addition, an air duct 9 3 for introducing air from the outside into the air filter case 8 4 of the power unit P is a first uncleaned room 9 1 inside the air filter body 8 4. The small-diameter tube 9 4 connected to the upper end is larger than the small-diameter tube 9 4 and its upper end is connected to the large-diameter 9 5 at the lower end of the small-diameter tube 9 4. The distance L 1 to the lower end of the small-diameter tube is set to be shorter than the distance L 2 from the portion except for the rear portion to the open end of the small-diameter tube 94 in the open end of the large-diameter tube. According to the configuration of the intake duct 93, a negative pressure is generated behind the front wall of the large-diameter pipe 95 in the duct 93 by the running of the motorcycle, and the external air is efficiently introduced from the intake duct 93 by the pressure. In the first room 91. In other words, the intake of the external air to the intake duct 93 may be specific to the rear side of the intake duct 93. Therefore, although there is dust accumulation in the rear of the power unit P due to the negative pressure generated by the side pressure behind the body cover 1 4 1 during automatic two-wheel driving, it is possible to avoid the filter 8 2 sucking into the dust. In addition, the air inlet duct 9 3 is provided with a simple shape such as a notch portion 9 6 in a part of the large-diameter tube 9 5. It will not increase the above. The embodiment of this creation is detailed, however, this creation is not limited to 326 \ The overall file \ 92 \ 92222089 \ 92222089 (revised) 19 body 74 In addition, the device is used for the inlet of the device 82 and the bottom of the tube becomes 95 of the diameter pipe 94. The negative purification direction car is in the air of the wind. Based on the above-mentioned embodiment of M251022, various design changes can be made without departing from the scope of the present invention described in the scope of patent application. (Creation effect) As described above, according to the creation of the first patent application, the connection of the secondary air filter to the exhaust system of the engine is completed before assembly on the frame to make the connection work easier. The substantial volume of the air filter for secondary air can be increased to reduce the intake sound, and the result of extending the intake pipe to an appropriate position is not easily affected by the adverse effects of water or mud splashed by the subsequent wheels. In addition, according to the creation of item 2 of the scope of the patent application, it is possible to avoid external forces such as bending of the intake pipe due to the swing of the power device, etc., and to properly arrange the intake pipe. Furthermore, the creation according to item 3 of the scope of patent application can more effectively reduce the intake sound and prevent the air filter for secondary air from being adversely affected by water and soil. [Brief Description of the Drawings] Figure 1 is a side view showing a motorcycle. Fig. 2 is a view viewed from arrow 2 of Fig. 1 showing the state of the body cover, the trunk, and the fuel tank. FIG. 3 is a view of arrow 3 of FIG. 1 showing a state where the pedal is omitted. Fig. 4 is a cross-sectional view showing a power system. Fig. 5 is an enlarged side view showing an air filter and an air filter for secondary air. FIG. 6 is a cross-sectional view showing the line 6 _ 6 of FIG. 5. 20 326 \ Total file \ 92 \ 92222089 \ 92222089 (revised) M251022 Figure 7 is an enlarged sectional view showing the line 7-7 of Figure 5. FIG. 8 is a side view showing a partial cutout of the swing support portion of the engine to the frame. FIG. 9 is a sectional view taken along line 9-9 of FIG. 8. FIG. 10 is an enlarged cross-sectional view showing the line 10-10 of FIG. 2. FIG. 11 is a cross-sectional view showing the line 1 1-11 of FIG. 10. (Description of component symbols) 11 Front frame 12 Rear frame 13 Auxiliary frame 14 Head tube portion 15 Downward frame portion 16 Pedal support frame portion 17 Front fork frame 18 Axle 19 Link 20 Front bumper 2 2 Anti-vibration connecting rod 28 Crankshaft pin 3 1 Crankshaft 32 1st engine block 32ι Cylinder block 3 2 2 Crankcase half 3 3 2nd engine block 34 Cylinder head 326 \ Total gear \ 92 \ 92222089 \ 92222089 (Please change) 21 M251022 35 Head cover 36 Generator cover 37 Right housing 38 Left housing 39 Reducer housing 4 0 Keyway 4 1 Cylinder 42 Piston 43 Connecting rod 44 Camshaft 4 5 Timing chain 4 6 Drive key wheel 4 7 Driven Sprocket 5 4 Drive pulley 55 Fixed side pulley half 56 Movable pulley half 5 7 Centrifugal weight 5 8 Output shaft 59 Driven pulley 60 Fixed side pulley half 6 1 Movable pulley half 6 2 Spring 63 Starting clutch 64 V-belt 326 \ total gear \ 92 \ 92222089 \ 92222089 (revised) 22 M251022 65 Intermediate shaft 6 6 Wheel shaft 6 7 Reduction gear 68 Alternator 6 9 Radiator 7 0 Cooling fan 7 1 Thermostat 7 2 Thermostat box
73 冷卻水泵 7 4 蓋體 75 百葉板 7 6 後部緩衝裝置 77 排氣管 78 排氣滅音器 79 支持立架73 Cooling water pump 7 4 Cover 75 Louver 7 6 Rear buffer device 77 Exhaust pipe 78 Exhaust muffler 79 Support stand
80 行李箱 8 1 燃料箱 82 空氣濾清器 83 二次空氣用空氣濾清器 84 空氣濾清器盒體 85 第一盒體構件 85a 大盒體部 85b 小盒體部 86 第二盒體構件 32<5\總檔\92\92222089\92222089(改請) 23 M251022 8 6a 大盒體 86b 小盒體 8 7 螺絲構 88 濾清器 89 保持構 9 1 第一未 92 第一淨 93 進氣導 94 小徑管 95 大徑管 96 缺口部 9 8 第一吸 99 諧振器 1 00 氣化器 10 1 第二進 10 2 負壓取 1 03 負壓導 104 導管 105 連接管 10 6 阻擋板 10 7 突部 10 8 突部 10 9 濾清器 110 第二未 部 部 件 件 淨化室 化室 管 氣管 氣管 出管 管 326\總檔\92\92222089\92222089(改請) 24 M251022 111 第二淨化 112 螺絲構件 113 連接管 1 14 第一空氣 115 空氣量控 116 火花塞 117 止回閥 118 第二空氣 119 負壓管 1 20 空氣導入 121 進氣管 1 23ι引擎側托 1 2 3 2 引擎側托 1 24ι 左右一對 1 2 4 2 左右一對 12 5 橫向構件 12 6 一對止動 12 7 一對止動 128 安裝孔 129 橡膠套筒 130 隔離件 131 擺動支軸 1 32 支持孔 133 橡膠套筒 室 導管 制閥 導管 管 架 架 之連桿 之連桿 橡膠 橡膠 326\總檔\92\92222089\92222089(改請) 25 M251022 134 螺 栓 135 橡 膠 支 持 部 136 頂 接 面 137 橡 膠 支 持 部 138 頂 接 面 141 車 身 蓋 體 141a 護 腳 板 141b 踏 板 141c 下 部 蓋 體 141d 側 面 蓋 體 142 座 椅 143 行 李 箱 144 橡 膠 帶 145 電 池 146 繼 電 器 147 繼 電 器 148 繼 電 器 149 保 險 絲 1 50 保 險 絲 15 1 調 即 器 154 加 強 用 肋 條 E 引 擎 F 車 架 M 無 段 變 速 機 326\總檔\92\92222089\92222089(改請) 26 M251022 P 動力裝置 WR 後輪 27 326\總檔\92\92222089\92222089(改請)80 luggage 8 1 fuel tank 82 air filter 83 air filter for secondary air 84 air filter case 85 first case member 85a large case 85b small case 86 86 second case 32 < 5 \ total gear \ 92 \ 92222089 \ 92222089 (revised) 23 M251022 8 6a large box 86b small box 8 7 screw mechanism 88 filter 89 retaining mechanism 9 1 first not 92 first net 93 intake Guide 94 Small-diameter tube 95 Large-diameter tube 96 Notch 9 8 First suction 99 Resonator 1 00 Vaporizer 10 1 Second inlet 10 2 Negative pressure take 1 03 Negative pressure guide 104 Conduit 105 Connection tube 10 6 Blocking plate 10 7 Projection 10 8 Projection 10 9 Filter 110 Second part parts Purification chamber tube trachea trachea outlet pipe 326 \ Total file \ 92 \ 92222089 \ 92222089 (revised) 24 M251022 111 Second purification 112 Screw member 113 Connecting pipe 1 14 First air 115 Air volume control 116 Spark plug 117 Check valve 118 Second air 119 Negative pressure pipe 1 20 Air introduction 121 Intake pipe 1 23ι Engine side bracket 1 2 3 2 Engine side bracket 1 24ι Left and right pair 1 2 4 2 Left and right pair 12 5 Cross member 12 6 One pair of stops 12 7 One pair of stops 128 Installation 129 Rubber sleeve 130 Isolator 131 Swing support shaft 1 32 Support hole 133 Rubber sleeve chamber tube valve valve tube pipe frame rod connecting rod rubber rubber 326 \ total file \ 92 \ 92222089 \ 92222089 (change) 25 M251022 134 Bolt 135 Rubber support 136 Top contact surface 137 Rubber support 138 Top contact surface 141 Body cover 141a Foot guard 141b Pedal 141c Lower cover 141d Side cover 142 Seat 143 Luggage box 144 Rubber belt 145 Battery 146 Relay 147 Relay 148 Relay 149 Fuse 1 50 Fuse 15 1 Adjuster 154 Ribs for reinforcement E Engine F Frame M Stepless transmission 326 \ Total gear \ 92 \ 92222089 \ 92222089 (revised) 26 M251022 P Power unit WR Rear wheel 27 326 \ Total file \ 92 \ 92222089 \ 92222089 (Please change)