587038 (1) 玖、發明說明 【發明所屬之技術領域】 本發明是關於機車之座墊鎖裝置及車尾手把的安裝構 造’是在可開閉地支承騎士用座墊的車體框架的後部，安 裝：可將上述座墊的關閉狀態鎖定的座墊鎖裝置、及可讓 騎士握持的車尾把手。 【先前技術】 在傳統的機車之座墊鎖裝置及車尾手把的安裝構造中587038 (1) 发明 Description of the invention [Technical field to which the invention belongs] The present invention relates to a seat cushion locking device for a locomotive and a mounting structure of a rear handlebar. , Installation: a seat cushion lock device that can lock the closed state of the seat cushion, and a rear handle that can be held by a rider. [Previous technology] In the conventional seat lock device and the rear handlebar mounting structure of a locomotive
【發明內容】 座墊鎖裝置（例 5 — 379 1 6號公報） 〇 [發明欲解決的課題] 在上述的傳統構造中，需要將用來安裝座墊鎖裝置的 專用的托架焊接在車尾手把，會有製造成本變高的缺點。 本發明鑒於這種情況，其目的要提供一種機車之座墊 鎖裝置及車尾手把的安裝構造，不必設置座墊鎖裝置專用 的托架，而是將座墊鎖裝置與車尾手把一起安裝於車體框 架，將構造簡化，進而減低製造成本。 [用以解決課題的手段] 爲了達成上述發明，本發明的第一特徵：在可開閉地 支承騎士用座墊的車體框架的後部，安裝有：可將上述座 -6- (2) (2)587038 墊的關閉狀態鎖定的座墊鎖裝置與可讓騎士握持的車尾手 把的機車之座墊鎖裝置及車尾手把的安裝構造，在藉由上 述座墊的底板所覆蓋的位置，藉由共通的螺栓來將上述座 墊鎖裝置及車尾手把一起鎖裝在車體框架。 藉由該第一特徵，不必設置座墊鎖裝置專用的托架， 可將座墊鎖裝置與車尾手把一起安裝在車體框架，可將構 造簡化，進而可減低製造成本。 而本發明除了第一特徵之外，第二特徵爲··在上述車 尾手把，是一體地形成有：在關閉狀態的上述座墊的底板 的正下方隔著上述座墊鎖裝置相互相對向配置的左右的一 對防護壁。 藉由該第二特徵，藉由左右的一對防護壁，可以防止 對於座墊鎖裝置的不當動作。並且由於上述防護壁是與車 尾手把一體化，所以不會讓零件增加。 【實施方式】 根據附圖所示的本發明的一實施例來說明本發明的實 施方式。 第1圖是具有本發明的座墊鎖裝置及車尾手把的安裝 構造的機車的側面圖，第2圖是同機車的後部放大側面圖 ，第3圖是顯示同機車的車體框架的後部的側面圖，第4 圖是顯示騎士用座墊的前端部的安裝部周圍的縱剖側面圖 ，第5圖是顯示同座墊的後端部的安裝部周圍的縱剖側面 圖，第6圖是在同座墊的卸下狀態顯示的機車的後端部平 (3)587038 面圖，第7圖是第6圖的7 — 7線剖面圖 鎖裝置及車尾手把的分解立體圖，第9圖 端安裝部的縱剖面圖，第1 〇圖是第2圖 放大剖面圖，第1 1圖是第4圖的1 1 一 圖’第1 2圖是第2圖的1 2 — 1 2線放 1 3圖是第2圖的1 3 — 1 3線放大剖面 第2圖的1 4 一 1 4線放大剖面圖，第1 1 5 — 1 5線放大剖面圖，第1 6圖是第 1 6線放大剖面圖。 首先，在第1圖〜第3圖，機車Μ的 由：頭管2、從該頭管2的上部後面以緩 度向後方延伸，且在中間部向下方彎折的 2的下部後面以較大向下傾斜度朝後方延 主管3的彎折部前側的左右兩側部向後方 對座墊導軌5、連結於座墊導軌5的中間 端部之間的左右的一對支架6、用來將兩 軌5的前端部將其焊接的前部橫構件7、 連接在座墊導軌5的後端部將其焊接的後 頭管2可轉向地軸支承著用來支承前輪9 而在主管3的後部，是可上下擺動地軸支 輪9 r的後叉1 1 ，在後叉1 1與上述座 裝有後避震器1 2。 在主管3及下管4的下端分別形成有 1 4 ，藉此來支承引擎E的前後兩端部。 ，第8圖是座墊 是後擋泥板的前 的1 0 — 1〇線 1 1線放大剖面 大剖面圖，第 圖’第1 4圖是 5圖是第2圖的 2圖的1 6 — 車體框架1 ，是 緩向下傾斜的斜 主管3、從頭管 伸的下管4、從 延伸的左右的一 部與主管3的下 者連接在座墊導 以及用來將兩者 部橫構件8。在 f的前叉1 0， 承著用來支承後 墊導軌5之間安 引擎懸架1 3、 該引擎E的輸出 (4) (4)587038 ，是經由被收容在安裝於後叉1 1的鏈條箱1 5內的鏈條 傳動裝置而被傳達到後輪9 r。 在引擎E的上方，是配置有被搭載支承於主管3的油 箱1 8。此時，突出設置於油箱1 8的後端的舌片1 8 a ，是經由彈性構件2 9藉由螺栓2 8而被固定在前部橫構 件7。 在藉由主管3、座墊導軌5及支架6所圍繞的三角形 的空間配設有電池或空氣濾淸器等的副機件1 9 (參照第 3圖），而把安裝於座墊導軌5的後擋泥板5 0的上部所 構成的小置物箱2 0配置在左右的座墊導軌5之間，把騎 士用的雙人式座墊2 1可裝卸也就是可開閉地安裝在左右 的座墊導軌5 ，而從上方覆蓋副機件1 9及小置物箱2 0 。將從左右兩側覆蓋副機件1 9的左右的一對側車殼2 2 可裝卸地安裝在車體框架1。 藉由第4圖及第5圖來針對上述座墊21的安裝構造 來加以說明。 在座墊2 1的底板2 1 a ，是設置有：可插拔地被插 入到上述橫構件7的下側的支承片2 3、載置於左右的座 墊導軌5上的複數的彈性構件2 4、以及藉由設置在後部 橫構件8上的座墊鎖裝置2 6所保持的鎖定銷栓2 5。於 是，如果將支承片2 3插入到前部橫構件7的下側，在座 墊導軌5上一邊壓縮彈性支承構件2 4 —邊將鎖定銷栓 2 5卡止在座墊鎖裝置2 6的話，則可以不會搖晃地將座 墊2 1保持在座墊導軌5上，並且藉由該座墊2 1可以保 -9 - (5) (5)587038 護副機件1 9或小置物箱2 0使其免於不當操作的影響。 如果解除座墊鎖裝置2 6的作動的話，則可將座墊2 1從 座墊導軌5卸下，則可進行副機件丨9的維修或將東西拿 進拿出到小置物箱2 〇。 藉由第5圖〜第8圖，針對上述座墊鎖裝置2 6、與 用來讓乘坐於座墊2 1的後部的騎士握持的車尾手把2 7 的安裝構造來加以說明。 座墊鎖裝置2 6及車尾手把2 7是藉由共通的複數的 螺栓3 1而一起被鎖裝在後部橫桿構件8上。也就是說， 座墊鎖裝置2 6 ，是具備有在左右兩端部具有安裝孔3 2 的基座板3 0。另一方面，車尾手把2 7，是作成在平面 來看爲U子型以圍繞上述座墊2 1的後端部，而在形成於 其左右兩則δ而部的朝向內側的一對托架3 3 ，是穿設有對 應於上述基座板3 0的安裝孔3 2的左右的一對安裝孔 3 4 ’在後部橫構件8，是焊接有對應於上述安裝孔3 2 及前部安裝孔3 4的左右的一對螺栓3 1。 最初是把座墊鎖裝置2 6的基座板3 〇的安裝孔3 2 嵌入到螺栓3 1 ，接著將車尾手把2 7的前部安裝孔3 4 嵌入到同螺栓3 1 ，藉由將螺母3 4螺合、鎖緊到同螺栓 3 1 ’則可以藉由共通的螺栓3 1及螺母3 7來將座墊鎖 裝置2 6的基座板3 0與車尾手把2 7的托架3 3 —起鎖 裝到後部橫構件8。並且，車尾手把2 7的托架3 3 ，是 藉由將在上述左右的螺栓3 1的後方且貫穿該托架3 3的 左右的一對螺栓3 8螺合鎖緊到焊接於後部橫構件8的下 -10- (6) (6)587038 面部的螺母3 6 ，而更堅固地被固定到後部橫構件8。 在車尾手把2 7，不必設置專門安裝座墊鎖裝置2 6 用的托架，可以將座墊鎖裝置2 6及車尾手把2 7 —起安 裝在車體框架1的後部橫構件8，則可將構造簡化，進而 可減低製造成本。 如第7圖所示，在車尾手把2 7的左右的托架3 3， 是一體地形成有將座墊鎖裝置2 6夾在其間而互相相對向 的左右的一對防護壁3 9，該防護壁3 9的上端部，當座 墊2 1被固定在固定位置時，會伸入到形成於其底板 2 1 a的左右的凹部4 0。左右的防護壁3 9 ，會與座墊 2 1的底板2 1 a的左右側壁共同作用，可以防止對於座 墊鎖裝置2 6的不當操作。並且由於上述防護壁3 9是與 車尾手把2 7 —體化，而不會讓零件數量增加。 在座墊鎖裝置2 6，在基座板3 0的中間部，是形成 有隆起剖面爲门字型的殼體部3 0 a ，在該殻體部3 0 a 內，鎖定柄4 1的後端部是經由樞軸4 2而被支承在殻體 部3 0 a。在該鎖定柄4 1的前端與基座板3 0的左右方 向一端部之間，是張設有將鎖定柄4 1朝向其中一側邊彈 壓的鎖定彈簧4 3。在基座板3 0，是設置有用來限定鎖 定彈簧4 3的朝向彈壓力方向的轉動的擋塊4 4 ，鎖定柄 4 1 ，當抵接於該擋塊4 4時，會使該柄部4 1的其中一 側部面對於開口於殼體部3 0 a的中央部的導孔4 5。於 是，當將座墊2 1的上述鎖定銷栓2 5插入到導孔4 5時 ，鎖定銷栓2 5的叉形的大頭部2 5 a會一邊壓退鎖定柄 -11 - (7) (7)587038 4 1的其中一側部一邊通過，鎖定柄4 1會受到鎖定彈簧 4 3的彈壓力而再轉動向鎖定銷栓2 5側，會卡合於接觸 到大頭部2 5 a的頸部的部分，會將座墊2 1鎖定在預定 的安裝位置。 如第2圖所示，在焊接於其中一方的座墊導軌5的後 端部朝下方延伸的托架4 7安裝有彈簧鎖4 8 ，附設於該 彈簧鎖4 8的旋轉頭的內端的作動臂（沒有圖示）是經由連 動鋼索4 9 (參照第6圖）被連結在上述鎖定柄4 1的前端 。上述彈簧鎖4 8是僅可藉由特定的鑰匙來加以作動，所 以如果藉由該鑰匙進行彈簧鎖4 8的開鎖操作的話，會牽 動連動鋼索4 9 ，會抵抗鎖定彈簧4 3的彈壓力讓鎖定柄 4 1轉動，而可以將鎖定銷栓2 5解放。 接下來，藉由第5圖〜第1 1圖，針對覆蓋後輪9 r 的上面部的後擋泥板5 0及上述小置物箱2 0來加以說明 0 如第9圖及第1 0圖所示，後擋泥板5 0 ，是以螺栓 5 2將其前端部固定在車體框架1的支架6所固定著的托 架5 1 ，且藉由以螺栓5 3將其後端部固定在焊接於座墊 導軌5的後端部且下垂的托架5 4，讓後擋泥板被安裝在 車體框架1。 在該後擋泥板5 0的上面部’如第5圖、第7圖及第 1 1圖所示，是一體地形成有上面開放的箱體5 5 ，是以 :該箱體5 5、以及以小螺釘5 6 (參照第1 1圖）結合在 箱體5 5來覆蓋上面部的外殼5 7構成了小置物箱2 0。 -12- (8) (8)587038 在外殻5 7的前端部，是經由可撓鉸鏈5 9 —體地連設有 蓋體5 8 ，將小置物箱2 〇的前端作成可開閉。該小置物 箱2 0 ，是配置在形成爲腳墊狀的後部橫構件8的下側。 如前述，如果解除座墊鎖裝置2 6的作動將座墊2 1 從車體框架1卸下的話，則可將蓋體5 8開閉，可將東西 拿進拿出至小置物箱2 0。 接下來，藉由第2圖、第1 4圖〜第1 6圖，針對側 車殻2 2來加以說明。 由於左右的側車殻2 2是對稱的構造，所以僅針對其 中一方來加以說明。如第2圖所不，側車殼2 2 ，是由： 前部側車殼2 2 f 、及與其後端部相連的後部側車殻 2 2 r所構成。 在第2圖、第1 0圖、及第1 4圖，後部側車殻 2 2 r ，是將突出設置於其前後方向中間部內壁的卡止突 起6 1卡合於後擋泥板5 0側壁的卡止孔6 2 ，並且藉由 以小螺釘6 3將後方下部固定在後擋泥板5 0 ，讓後部側 車殼被支承在後擋泥板5 0。 如第1 5圖所示，在其後部側車殻2 2 r的前端部外 側面’是以卡止爪6 6與小螺釘6 7將用來區劃插入前部 側車殼2 2 f的後端部的插入口 6 4的百葉狀的裝飾板 6 5安裝在其構造之間。 另一方面，上述側車殼2 2 f ,，如第2圖、第1 2圖 及第1 3圖所示，將突出設置於其上方前端部內壁的卡止 突起6 8卡合在固定設置於主管3的托架6 9的卡止孔 -13- 587038 Ο) 7 0 ，並且藉由螺栓7 3來將其下方前端部經由隔環7 2 固定在設置於支架6的托架7 1 ，讓前部側車殼被支承在 車體框架1。 此時，前部側車殼2 2 f的後端部，是被插入到上述 插入口 6 4，而以裝飾板6 5覆蓋，而可以提昇其外觀性 〇 並且如第2圖及第1 6圖所示，是以小螺釘7 4來把 前部側車殼2 2 f的上方中間部與後部側車殻2 2 r的上 方前端部結合在一起，強化了側車殼2 2的剛性，其結合 部是藉由座墊2 1的底板2 1 a的側壁所覆蓋，所以其外 觀也很好。 在第5圖、第6圖及第8圖中，左右的後部側車殻 2 2 r的後端部，是藉由後車殼7 6相互連結，該後車殻 7 6 ，是藉由以螺栓7 8被固定在上述後部橫構件8的托 架7 7所支承著。在該後車殼7 6的下部是安裝有車尾燈 8 0 〇 本發明並不限定於上述實施例，只要不脫離其主旨範 圍則可進行種種的設計變更。 [發明效果] 如上述藉由本發明的第一特徵，在可開閉地支承騎士 用座墊的車體框架的後部，安裝有：可將上述座墊的關閉 狀•鎖定的座墊鎖裝置、與可讓騎士握持的車尾手把的機 車之座墊鎖裝置及車尾手把的安裝構造，在藉由上述座墊 -14- (10)587038 的底板所覆蓋的位置，藉由共通的螺栓來將上述座墊鎖裝 置及車尾手把一起鎖裝在車體框架，所以不必設置座墊鎖 裝置專用的托架，可將座墊鎖裝置與車尾手把一起安裝在 車體框架，可將構造簡化，進而可減低製造成本。 藉由本發明的第二特徵，除了第一特徵之外，在上述 車尾手把，是一體地形成有：在關閉狀態的上述座墊的底 . 板的正下方隔著上述座墊鎖裝置相互相對向配置的左右的 · 一對防護壁，藉由上述防護壁，可以防止對於座墊鎖裝置 鲁 的不當操作。並且由於上述防護壁是與車尾手把一體化， 所以不會讓零件增加。 【圖式簡單說明】 第1圖是具有本發明的座墊鎖裝置及車尾手把的安裝 構造的機車的側面圖。 第2圖是同機車的後部放大側面圖。[Summary of the Invention] Seat cushion lock device (Example 5-379 1 6) 〇 [Problems to be Solved by the Invention] In the above-mentioned conventional structure, it is necessary to weld a dedicated bracket for mounting the cushion lock device to the vehicle The tail handle has the disadvantage of higher manufacturing costs. In view of this situation, the present invention aims to provide a seat cushion lock device for a locomotive and a mounting structure of a rear handlebar. It is not necessary to provide a bracket dedicated to the seat cushion lock device, but to connect the seat cushion lock device to the rear handlebar. Installed together on the body frame, the structure is simplified, and the manufacturing cost is reduced. [Means for Solving the Problems] In order to achieve the above-mentioned invention, a first feature of the present invention is that a seat -6- (2) ( 2) The seat cushion lock device locked by the closed state of the 587038 pad, the seat cushion lock device of the locomotive that can be held by the rider and the mounting structure of the rear handle, are covered by the bottom plate of the seat cushion Position, the seat cushion locking device and the rear handlebar are locked to the vehicle body frame by a common bolt. With this first feature, it is not necessary to provide a bracket dedicated to the seat cushion lock device, and the seat cushion lock device can be mounted on the vehicle body frame together with the rear handlebar, which can simplify the structure and reduce the manufacturing cost. In addition to the first feature, the second feature of the present invention is that: the rear handlebar is integrally formed with the bottom of the seat cushion in a closed state facing each other via the seat cushion lock device. A pair of left and right protective walls arranged. With this second feature, improper operation of the seat cushion lock device can be prevented by a pair of left and right protective walls. And because the protective wall is integrated with the rear handlebar, it will not increase the number of parts. [Embodiment] An embodiment of the present invention will be described based on an embodiment of the present invention shown in the drawings. FIG. 1 is a side view of a locomotive having a seat cushion lock device and a rear handlebar mounting structure of the present invention. FIG. 2 is an enlarged side view of a rear portion of the same locomotive. FIG. 3 is a view showing a body frame of the same locomotive. A side view of the rear portion, FIG. 4 is a longitudinal sectional side view showing the periphery of the mounting portion of the front end portion of the rider seat cushion, and FIG. 5 is a longitudinal sectional side view showing the periphery of the mounting portion of the rear end portion of the seat cushion. Fig. 6 is a flat (3) 587038 side view of the rear end of the locomotive shown in the removed state of the same seat cushion, and Fig. 7 is an exploded perspective view of the locking device and the rear handlebar of Fig. 6 taken along line 7-7 Fig. 9 is a longitudinal sectional view of the end mounting portion, Fig. 10 is an enlarged sectional view of Fig. 2, and Fig. 11 is a diagram of Fig. 4 1 1-1 '-Fig. 12 is a picture 2 of Fig. 2 — Line 1 2 line 1 3 is the enlarged sectional view of line 1 3 — 1 3 of FIG. 2 Line 1 4-line 14 of FIG. 2 is an enlarged sectional view, line 1 1 5 — 1 5 is an enlarged section, line 16 It is an enlarged sectional view of line 16. First, in FIGS. 1 to 3, the head of the locomotive M is: the head pipe 2, which extends from the upper and rear sides of the head pipe 2 to the rear at a gentle degree, and the lower part of the lower part of the 2 which is bent downward at the middle part, The large downward inclination is toward the rear of the bent portion of the main pipe 3, and the left and right side portions on the front side of the bent portion 3 face the seat cushion guide 5 backward, and a pair of left and right brackets 6 connected between the middle ends of the seat cushion guide 5 are used to A front cross member 7 which welds the front end portions of the two rails 5 and a rear head pipe 2 which is connected to the rear end portion of the seat cushion guide rail 5 and is pivotably supported by a shaft for supporting the front wheel 9 and at the rear portion of the main pipe 3. Is a rear fork 1 1 which can swing the ground shaft support wheel 9 r up and down, and a rear shock absorber 12 is installed on the rear fork 11 and the seat. 14 are formed at the lower ends of the main pipe 3 and the lower pipe 4, respectively, to support the front and rear ends of the engine E. Figure 8 is a large cross-sectional view of the 1-10 — 10 line enlarged front section of the seat cushion as the front fender of the rear fender, Figure 1 'Figure 4 is Figure 5 Figure 2 is Figure 2 2 Figure 16 — The body frame 1 is a slanted main pipe 3 that slopes downward, a lower pipe 4 extending from the head pipe, and a left and right part extending from the main pipe 3 to the seat cushion guide and used to horizontally Component 8. The front fork 10 of f bears the engine suspension 1 between the rear pad guide rails 5 and 3. The output of the engine E (4) (4) 587038 is installed on the rear fork 11 The chain transmission in the chain box 15 is transmitted to the rear wheels 9 r. Above the engine E is a fuel tank 18 which is mounted on and supported by the main pipe 3. At this time, the tongue piece 18 a protruding from the rear end of the fuel tank 18 is fixed to the front cross member 7 via the elastic member 29 and the bolt 28. The auxiliary space 19 (refer to FIG. 3) such as a battery or an air filter is arranged in a triangular space surrounded by the main pipe 3, the seat cushion guide 5, and the bracket 6, and is mounted on the seat cushion guide 5. The small storage box 20 formed by the upper part of the rear fender 50 is arranged between the left and right seat cushion guide rails 5, and the knight double seat cushion 21 can be detachably mounted, that is, can be installed on the left and right seats. Pad guide rail 5 covers the sub-machinery 19 and the small storage box 20 from above. A pair of left and right side shells 2 2 covering the sub-machineries 19 from the left and right sides are detachably mounted on the vehicle body frame 1. The mounting structure of the seat cushion 21 will be described with reference to Figs. 4 and 5. The bottom plate 2 1 a of the seat cushion 21 is provided with a support piece 2 that can be inserted into the lower side of the cross member 7 and a plurality of elastic members placed on the left and right seat cushion guide rails 5. 2 4 and a locking pin 25 held by a seat cushion lock device 2 6 provided on the rear cross member 8. Then, if the support piece 2 3 is inserted under the front cross member 7 and the elastic support member 2 4 is compressed on the seat cushion guide 5-the lock pin 2 5 is locked to the seat cushion lock device 2 6 , The seat cushion 2 1 can be held on the seat cushion guide 5 without shaking, and the seat cushion 2 1 can secure the -9-(5) (5) 587038 auxiliary protection mechanism 19 or a small storage box. 2 0 to protect it from improper operation. If the operation of the seat cushion lock device 26 is released, the seat cushion 21 can be removed from the seat cushion guide rail 5, and the auxiliary parts 丨 9 can be repaired or things can be put in and out to the small storage box 2 〇 . The mounting structure of the above-mentioned seat cushion lock device 26 and the rear handlebar 27 for holding a rider riding on the rear part of the seat cushion 21 will be described with reference to FIGS. 5 to 8. The seat cushion lock device 26 and the rear handlebar 27 are locked together to the rear cross member 8 by a plurality of bolts 31 in common. That is, the seat cushion lock device 2 6 includes a base plate 30 having mounting holes 3 2 at both left and right ends. On the other hand, the rear handlebars 2 and 7 are U-shaped in plan view to surround the rear end portion of the seat cushion 21, and a pair of δ-shaped portions formed on the left and right sides of the rear-facing portion faces inward. The bracket 3 3 is provided with a pair of left and right mounting holes 3 4 ′ corresponding to the mounting holes 3 2 of the base plate 30. The rear cross member 8 is welded to the mounting holes 3 2 and the front. A pair of left and right bolts 31 of the part mounting hole 34. Initially, the mounting holes 3 2 of the base plate 3 0 of the seat pad lock device 2 6 are fitted into the bolts 3 1, and then the front mounting holes 3 4 of the rear handlebars 2 7 are fitted into the same bolts 3 1. If the nut 3 4 is screwed and locked to the same bolt 3 1 ′, the base plate 3 0 of the seat cushion lock device 2 and the rear handle 2 7 can be connected by the common bolt 3 1 and the nut 3 7. Bracket 3 3-is locked to the rear cross member 8. The bracket 3 3 of the rear handlebar 27 is screwed to the rear by screwing a pair of bolts 3 8 behind the left and right bolts 31 and penetrating through the left and right of the bracket 3 3. The lower -10- (6) (6) 587038 of the cross member 8 is fixed to the rear cross member 8 more firmly. The rear handlebar 2 7 does not need to be provided with a bracket for installing the seat cushion lock device 2 6. The seat cushion lock device 2 6 and the rear handlebar 2 7 can be installed together at the rear cross member of the body frame 1 8, the structure can be simplified, which can reduce manufacturing costs. As shown in FIG. 7, left and right brackets 3 3 on the rear handlebars 27 are integrally formed with a pair of left and right protective walls 3 9 that sandwich the seat cushion lock device 2 6 and face each other. When the upper end of the protective wall 39 is fixed at the fixed position, the protective wall 39 will extend into the left and right concave portions 40 formed on the bottom plate 21a. The left and right protective walls 39 can work with the left and right side walls of the bottom plate 2 1 a of the seat cushion 21 to prevent improper operation of the seat cushion locking device 26. And because the above-mentioned protective wall 39 is integrated with the rear handlebar 27, it will not increase the number of parts. In the seat cushion lock device 26, a middle portion of the base plate 30 is formed with a shell portion 30a with a bulged cross-section in the shape of a gate. Within the shell portion 30a, a locking handle 41 is formed. The rear end portion is supported by the housing portion 30 a via a pivot 42. Between the front end of the lock lever 41 and the left and right end portions of the base plate 30, there are provided lock springs 43 that urge the lock lever 41 toward one side thereof. The base plate 30 is provided with a stopper 4 4 for restricting the rotation of the lock spring 43 in the direction of the elastic pressure, and the lock handle 4 1, when abutted against the stopper 4 4, makes the handle part 4 One of the side surfaces of 41 corresponds to the guide hole 45 opened in the central portion of the housing portion 30 a. Then, when the above-mentioned locking pin bolt 25 of the seat cushion 21 is inserted into the guide hole 45, the fork-shaped large head 2 5a of the locking pin bolt 25 will push down the locking lever -11-(7) (7) 587038 One side of one side passes, and the lock lever 41 will be turned to the lock pin 2 5 side by the spring force of the lock spring 4 3, and will engage with the large head 2 5 a The neck part will lock the seat cushion 21 in a predetermined installation position. As shown in FIG. 2, a spring lock 4 8 is attached to a bracket 4 7 extending downward from a rear end portion of the seat cushion rail 5 welded to one of the seat rails, and an inner end of a rotary head attached to the spring lock 48 is actuated. An arm (not shown) is connected to the front end of the lock handle 41 via an interlocking wire 49 (see FIG. 6). The above-mentioned spring lock 48 can only be actuated by a specific key, so if the unlocking operation of the spring lock 4 8 is performed by the key, the wire rope 4 9 will be moved and the spring pressure of the lock spring 4 3 will be resisted. The lock handle 41 is turned, and the lock pin 2 5 can be released. Next, with reference to FIGS. 5 to 11, the rear fender 50 covering the upper surface of the rear wheel 9 r and the small storage box 20 described above will be described. 0 As shown in FIGS. 9 and 10 As shown, the rear fender 50 is a bracket 5 1 fixed to the bracket 6 of the vehicle body frame 1 by a bolt 52, and the rear end is fixed by a bolt 53. A rear fender is attached to the vehicle body frame 1 by a bracket 54 which is welded to the rear end portion of the seat cushion rail 5 and hangs down. As shown in FIG. 5, FIG. 7 and FIG. 11, an upper surface portion of the rear fender 50 is integrally formed with a box 5 5 having an open upper surface, so that the box 5 5, A housing 5 7 which covers the upper surface with a small screw 5 6 (see FIG. 11) and is combined with the case 5 5 constitutes a small storage box 20. -12- (8) (8) 587038 A cover 5 8 is integrally connected to the front end portion of the housing 5 7 via a flexible hinge 5 9 to open and close the front end of the small storage box 200. The small storage box 20 is arranged below the rear cross member 8 formed in a foot pad shape. As described above, if the seat cushion lock device 2 6 is released and the seat cushion 2 1 is removed from the vehicle body frame 1, the cover 5 8 can be opened and closed, and things can be taken in and out to the small storage box 20. Next, the side shell 22 will be described with reference to Figs. 2, 14 to 16. Since the left and right side shells 22 have a symmetrical structure, only one of them will be described. As shown in FIG. 2, the side car shell 2 2 is composed of a front side car shell 2 2 f and a rear side car shell 2 2 r connected to its rear end. In FIG. 2, FIG. 10, and FIG. 14, the rear side shell 2 2 r is a locking protrusion 6 1 protrudingly provided on the inner wall of the middle portion in the front-rear direction and engaged with the rear fender 50 0 The locking holes 6 2 on the side walls are fixed to the rear fender 50 by the small screws 63, so that the rear side shell is supported on the rear fender 50. As shown in FIG. 15, on the outer side of the front end portion of the rear side shell 2 2 r, locking claws 6 6 and small screws 6 7 are used to distinguish the rear of the front side shell 2 2 f. A louver-shaped decorative plate 65 at the end insertion opening 64 is installed between its structures. On the other hand, as shown in FIG. 2, FIG. 12, and FIG. 13, the side shell 2 2 f is engaged with the locking projection 68 provided on the inner wall of the upper end portion protruding above. The locking hole of the bracket 6 9 of the main pipe 3 is -13-587038 0) 7 0, and the lower front end portion thereof is fixed to the bracket 7 1 provided on the bracket 6 through the spacer 7 2 by the bolt 7 3, The front side shell is supported by the vehicle body frame 1. At this time, the rear end portion of the front side shell 2 2 f is inserted into the above-mentioned insertion opening 64 and covered with the decorative plate 65, so that its appearance can be improved. As shown in FIG. 2 and FIG. As shown in the figure, the upper middle portion of the front side shell 2 2 f and the upper front end portion of the rear side shell 2 2 r are joined by small screws 7 4 to strengthen the rigidity of the side shell 22. The joint portion is covered by the side wall of the bottom plate 2 1 a of the seat cushion 21, so its appearance is also good. In FIGS. 5, 6 and 8, the rear ends of the left and right rear side shells 2 2 r are connected to each other by a rear shell 7 6, and the rear shell 7 6 is formed by The bolt 7 8 is supported by a bracket 7 7 fixed to the rear cross member 8. A rear lamp 800 is attached to the lower part of the rear case 76. The present invention is not limited to the above embodiment, and various design changes can be made without departing from the scope of the gist. [Effects of the Invention] As described above, according to the first feature of the present invention, a seat cushion lock device capable of closing and locking the seat cushion, and a rear portion of the vehicle body frame that can open and close the seat cushion for the rider are mounted, and The locomotive seat cushion lock device and the rear seat handlebar mounting structure that can be held by the rider can be covered by the common base plate at the position covered by the bottom plate of the seat cushion-14- (10) 587038. Bolts are used to lock the seat cushion lock device and the rear handlebar together to the vehicle body frame, so there is no need to provide a bracket dedicated to the seat cushion lock device, and the seat cushion lock device can be installed together with the rear handlebar to the vehicle body frame. , Can simplify the structure, which can reduce manufacturing costs. By the second feature of the present invention, in addition to the first feature, the rear handlebar is integrally formed with the bottom of the seat cushion in a closed state. The seat is locked directly below each other by the seat cushion lock device. The pair of left and right protective walls disposed opposite to each other can prevent improper operation of the cushion lock device by the above protective walls. And because the above-mentioned protective wall is integrated with the handlebar of the rear of the vehicle, the number of parts will not be increased. [Brief Description of the Drawings] Fig. 1 is a side view of a locomotive having a seat cushion lock device and a rear handlebar mounting structure according to the present invention. FIG. 2 is an enlarged rear side view of the same locomotive.
第3圖是顯示同機車的車體框架的後部的側面圖。 第4圖是顯示騎士用座墊的前端部的安裝部周圍的縱 剖側面圖。 第5圖是顯示同座墊的後端部的安裝部周圍的縱剖側 面圖。 第6圖是在同座墊的卸下狀態顯示的機車的後端部平 面圖。 第7圖是第6圖的7 — 7線剖面圖。 第8圖是座墊鎖裝置及車尾手把的分解立體圖。 -15- (11) (11)587038 . 第9圖是後擋泥板的前端安裝部的縱剖側面圖 第1 0圖是第2圖的1 0 — 1 0線放大剖面圖 第1 1圖是第4圖的1 1 一 1 1線放大剖面圖 第1 2圖是第2圖的1 2 — 1 2線放大剖面圖 第1 3圖是第2圖的1 3 — 1 3線放大剖面圖 第1 4圖是第2圖的1 4 一 1 4線放大剖面圖 第1 5圖是第2圖的1 5 — 1 5線放大剖面圖 第1 6圖是第2圖的1 6 — 1 6線放大剖面圖 [圖號說明] Μ :機車 1 :車體框架 2 1 :騎士用座墊 2 1 a :底板 2 6 :座墊鎖裝置 2 7 :車尾手把 3 1 :共通螺栓 3 9 :防護壁FIG. 3 is a side view showing a rear portion of a body frame of the same locomotive. Fig. 4 is a longitudinal sectional side view showing the periphery of the mounting portion of the front end portion of the seat cushion for a rider. Fig. 5 is a longitudinal sectional side view showing the periphery of the mounting portion of the rear end portion of the seat cushion. Fig. 6 is a plan view of a rear end portion of the locomotive shown in a removed state of the seat cushion. Fig. 7 is a sectional view taken along line 7-7 in Fig. 6. Fig. 8 is an exploded perspective view of the seat cushion lock device and the rear handlebar. -15- (11) (11) 587038. Fig. 9 is a longitudinal sectional side view of the front mounting portion of the rear fender. Fig. 10 is an enlarged cross-sectional view taken along line 10-10 of Fig. 11. Fig. 11 It is the enlarged sectional view taken on line 1 1-1 1 in Fig. 4. Fig. 12 is the enlarged sectional view taken on line 1 2-1 2 in Fig. 1. Fig. 13 is the enlarged sectional view taken on line 1 3-1 3 in Fig. 2. Fig. 14 is an enlarged sectional view taken along line 1 4-1 4 of Fig. 2 Fig. 15 is an enlarged sectional view taken along line 1 5-1 5 of Fig. 2 Fig. 16 is taken from Fig. 2 1-1 6 Line enlarged sectional view [Illustration of drawing number] Μ: Locomotive 1: Body frame 2 1: Knight seat cushion 2 1 a: Floor plate 2 6: Cushion lock device 2 7: Rear handlebar 3 1: Common bolt 3 9 : Protective wall