530119 經濟部智慈財產局員工消費合作社印製 A7 B7 五、發明説明（ 〔發明所屬之技術領域〕 本發明係有關適用於要供給（供應）燃料於內燃機（ 以下簡稱爲引擎）之噴射器的燃料供給裝置，尤其有關要 設置於裝載小排氣量引擎之兩輪車等車輛的燃料箱內之燃 料供給裝置。 〔習知技術〕 作爲要供給（供給）燃料於裝載於四輪汽車等之引擎 的系統’以組裝燃料泵、燃（料）壓（力）調整器及過濾 器等成一體而配置於燃料箱內之燃料供給裝置係所周知。 而作爲構成該燃料供給裝置之燃料栗乃採用例如圓周流通 式之輪機（透平）泵。 匕平栗係具有栗部及馬達部等之形成較大型且複雜之 構造’又其本身未具有自吸能力，因而會配置於燃料箱內 。因此，該燃料供給裝置係適合於收容在如四輪汽車等之 燃料箱的較大的燃料箱。 〔發明擬解決之課題〕 而在裝載小排氣量之引擎，例如每一氣缸爲5 〇 C C 〜2 5 0 c c左右之引擎的兩輪車等，其燃料箱也較小， 又其形狀也有所限制，使得要收容於如上述之燃料供給裝 置於燃料箱實有困難。 又在兩輪車等，因引擎、燃料箱等因會配置於較接近 於區域，爲此作爲燃料供給系統，需要盡可能地作成不會 本纸張尺度適用中國國家標準（CNS ) Α4規格（210Χ 297公釐） --------- 裝----：---訂----- (請先閲讀背面之注意事項再填寫本頁} -4 - 530119 A7 -—B7 經濟部智慧財產苟資工消費合作社印製 五、發明説明（2 ) 受到來自引擎之輻射熱的影響，又爲了避免倒下等時產生 破損’使得需要作成盡可能地令系統簡僕化來削減零件， 或露出於外部之狀態。 本發明係鑑於上述之處而發明者，其目的係擬提供一 種思圖小型化，構造之簡略化，增進功能上之可靠性等， 尤其適合於要裝載小排氣量引擎之兩輪車等之車輛之燃料 供給裝置者。 〔解決課題用之手段〕 本發明之燃料供給裝置係設置於燃料箱內而要朝內燃 機之噴射器供應燃料者，其特徵爲：具有：包括有占有吸 入口及吐出口之泵本體，而在泵本體內以直線性往回移動 來進行吸入及壓力輸送燃料之柱塞，驅動柱塞用之電磁線 圏的柱塞泵的容積型之柱塞泵；及包括有占有連通於吐出 口之流入通道及朝噴射器供給燃料之供給通道的調整器本 體’配置於流入通道和供給通道之間要調整燃料壓力用之 調整閥的燃料壓力調整器，而上述泵本體及調整器本體係 予以結合成一體。 依據該結構，由柱塞之往回運動而可進行壓力輸送燃 料之柱塞本體能形成爲較小型，而該小型之柱塞泵和燃料 壓力調整器因形成爲一體（模組化），因而，以整體言， 可提供小型（小巧）且操作管理上爲方便之燃料供給裝置 ，尤其極適合於設置在兩輪車等之小型燃料箱。 於上述結構中，柱塞之往回運動方向和供給通道之展 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (請先閲讀背面之注意事 項再填寫本 :寫本頁) 訂 it -5- 530119 A7 B7 五、發明説明（3 ) 延方向乃可採用形成爲略平行之結構。 (請先閱讀背面之注意事項再填寫本頁) 依據該結構，因柱塞和供給通道形成爲略平行，亦即 泵本體之長軸方向和調整器本體之長軸方向形成爲略平行 ，因而使兩者成爲積聚化，使得作爲裝置整體，可更進一 步地予以小型化。尤其，可令裝置之外輪廓如形成爲例如 方形柱或略圓柱形狀之小巧且操作管理上極爲方便之輪廓 形狀。 在上述結構中，調整器本體乃爲了要安裝於燃料箱， 可採用具有形成於展延方向上側之安裝凸緣部，而泵本體 具有形成於往回移動方向之下側吸入口和安裝於吸入□周 圍的過濾器之構造。 依據該結構，因配置爲過濾器在下側，中間爲泵本體 及調整器本體，安裝凸緣部在於上側，因而，僅將安裝凸 緣部於例如燃料箱上壁，就可容易地設置裝置於燃料箱內 ，又也可包括過濾器來作爲模組物品來處理。 於上述結構中，於調整器本體可採用配設有連通於供 給通道來吸收燃料之脈動的脈動緩衝器之結構。 經濟部智慧財產苟a(工消費合作社印製 依據該結構，能以良好效率來吸收燃料噴射時所產生 之燃料脈動或壓力變動，亦就是脈動而使之衰減。又以配 設脈動緩衝器於調整器本體內，而可由零件之集聚化來實 施小型化。 在上述結構中，泵本體及調整器本體乃可採用在往回 移動方向及展延方向成略垂直之方向，具有形成爲裝卸自 如之第1連結部及第2連結部，而第1連結部係兼用爲要 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公f" " -6 - 530119 A7 B7 五、發明説明（4 ) (請先閱讀背面之注意事項再填寫本頁) 連接配設於調整器本體之電性配線和電磁線圈之電性配線 用的電連器，第2連結部則兼用爲要連通吐出口和流入通 道用的連通道之結構。 依據該結構，因藉第1連結部及第2連結部來使柱塞 泵和燃料壓力調整器形成裝卸自如，使得組裝成爲容易之 同時，各別能以相異材料來形成，例如以金屬材料等來形 成柱塞泵，而燃料壓力調整器則以樹脂材料等來形成。又 第1連結部及第2連結部因可兼用爲電連接器及燃料通道 ，使得較另外來形成時，可使構造簡略化。 於上述結構中，泵本體和調整器本體乃可採用由扣接 來結合成裝卸自如之結構。 依據該結構，因能以簡單的單獨操作來連結兩者，使 得並不需要連接螺栓等之特別連結零件，因此可實施構造 之簡略化、小型化、輕量化等。 於上述結構中，泵本體可採用具有能調整第1連結部 及第2連結部之間隔的調整機構之構造。 經濟部智慧財產局員工消費合作社印製 依據該結構，當第1連結部和第2連結部之間距，在 柱塞泵側和燃料壓力調整器側有相異時，以調整機構來調 整該偏差，因此，兩者的組裝會成爲容易。 〔發明之實施形態〕 以下，將參照所附上之圖式下說明有關本發明之實施 形態。 圖1至圖7係顯示有關本發明之燃料供給裝置的一實 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 530119 A7 B7 五、發明説明（5 ) 施形態。有關本實施形態之燃料供給裝置1 0係在由電子 控制來噴射燃料引擎中，構成爲要朝向電磁閥驅動式之噴 射器供應燃料之燃料供給系統之一部分者。在此係如圖1 所示’設置於兩輛車之燃料箱1內，形成經由供應管5且 朝向安裝於引擎2之吸氣口 3的噴射器4來供應燃料者。 燃料供給裝置1 〇係如圖2及圖3所示，將容積型之 柱塞泵2 0 ’及用於調整燃料壓力於噴射器4上流側用之 入口控制型之燃料壓力調整器5 0，以不使用連結用之配 管等之下結合成一體，而予以模組化者。其外輪廓之尺寸 乃集聚化（密集）爲高度Η爲8 Omm〜1 〇 Omm左右 ，外徑D爲最大之安裝凸緣部之處爲約7 0mm〜8 0 mm左右，本體部分之寬度w爲約4 Omm〜6 Omm左 右而成爲小型化，使得形成爲操作管理上爲方便之輪廓。 柱塞泵2 0爲電磁驅動之容積型泵，如圖4所示，具 備有：氣缸2 1 ;插入成可滑動於氣缸2 1內而成直線性 往回移動之柱塞2 2 ;嵌合於氣缸2 1外周之上側心2 3 及下側心2 4 ;纏繞於嵌合在上側心2 3及下側心2 4外 周之線圈架2 5的電磁線圈2 6 ;爲覆蓋電磁線圏2 6外 周而由樹脂材料等所成形之外側殻2 7 ;以如圖6及圖7 所示安裝於外側殼2 7周圍之托架2 8及掛住板2 9 ;及 配置於線圈架2 5和掛住板2 9之間而作爲調整機構之波 形墊圈3 0等。 於上側心2 3上部，形成有端面壁2 3 a ，並形成貫 穿孔2 3 a >於其中央部而連通於外部。而端面壁2 3 a 本紙張尺度適用中國國家標準（CNS ) Α4規格（210X 297公釐） (請先閲讀背面之注意事 ί· •項再填. 裝-- :寫本頁) 經濟部智慧財產局員工消費合作社印製 -8- 530119 經濟部智慧財產局員工消費合作社印製 Α7 Β7 五、發明説明（6 ) 和柱塞2 2之間配置有盤簧3 1。 於下側心2 4下端部，嵌合著形成具有吸入口 32a >之通道32a的通道構件32。而通道構件32 係由彈簧3 4朝開閉方向彈壓之狀態來保持用於關閉通道 3 2 a用的止回閥。在於通道構件3 2上端面和柱塞2 2 之間則配置有盤簧3 5。 在下側心2 4側面部，連結了用於形成對於柱塞2 2 之往回移動方向L1朝垂直方向伸長（展延），且具有吐 出口 3 6 a >於前端之通道3 6 a的作爲第2連結部的接 合構件3 6。接合構件3 6係將用於開閉通道3 6 a用之 止回閥以由彈簧3 8朝關閉方向彈壓的狀態下予以保持著 〇 又在下側心2 4下端部（亦即，吸入口 3 2 a >周圍 )’安裝有過濾器4 0。過濾器4 0係由過濾器本體4 1 ，和用於結合過濾器本體4 1於下側心2 4用之嵌合筒部 4 2及從嵌合筒部4 2外周朝直徑方向突出之突出片4 3 所形成。 於外側殼2 7上側側面，形成有對於柱塞2 2之往回 移動方向L 1朝垂直方向突出且具有連結孔3 9 a之作爲 第1連結部的陰型之電連接器3 9。電連接器3 9係以露 出作爲電磁線圈2 6之電性配線之端子2 6 a於連接孔 3 9 a內的狀態來加以保持著。 托架2 8係如圖6及圖7所示，形成逆U字形狀，並 具有從其一面側朝垂直於往回移動方向L 1的方向Η 1展 本紙張尺度適用中國國家標準（CNS ) Α4規格（210Χ297公釐） -----^ 裝----^---訂----- --. (請先閱讀背面之注意事項再填寫本頁) - 9 - 530119 A7 B7 五、發明説明（7 ) 延之2片的卡合片28 a ，而在卡合片28 a形成有略矩 形形狀之掛止孔2 8 a /，再者’托架2 8係藉掛住爪 (請先閱讀背面之注意事項再填寫本頁) 2 8 c來連結於掛住板2 9。 亦即’由要形成電連接器3 9之外側殻2 7，占有吸 入口 3 2 a 之通道構件3 2及下側心2 4，占有吐出口 3 6 a >之接合構件3 6，托架2 8等來形成直接結合於 燃料壓力調整器5 0的泵本體。 將說明柱塞泵2 0之動作時，首先，由通電於電磁線 圈2 6而使柱塞2 2朝往回移動方向L 1朝上面移動時， 就由於壓力差而使止回閥3 3反抗於彈簧3 4之彈壓力來 打開閥，而從吸入口 3 2 a吸入燃料來流入於空間s 1。 經濟部智慧財產局R工消費合作社印製 當切斷通電於電子線圈2 6時，會使柱塞2 2停止並 使止回閥3 3開關閥之同時，可由盤簧3 1 、3 5之彈壓 力而使柱塞2 2朝往回移動方向L 1之向下移動來壓縮空 間S 1內之燃料。而在燃料超過所定之壓力被壓縮時，止 回閥3 7會反抗於彈簧3 8之彈壓力來打開閥，並從吐出 口 36a /吐出被壓縮之燃料。而後，盤簧3 1、35之 彈壓力成爲均衡時，柱塞2 2就會停止。 再者’上述動作雖對於柱基2 2往回移動一次之狀態 時之基本動作加以說明，但在通常之動作時，由於成連續 性地實施往回移動而使對應於該移動行程之所定容積的燃 料，會成連續地吸入及壓力輸送。 燃料壓力調整器5 0係在噴射器4上流要調整燃料壓 力用之入口（進口）控制型調整器，如圖4所示，具備有 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -10- 530119 A7 B7 五、發明説明（8 ) (請先閱讀背面之注意事項再填寫本頁) :使占有流入通道5 1 a水平筒部5 1及占有供給通道 5 2 a之垂直筒部5 2等乃由樹脂材料所成形之調整器本 體5 3 ;成一體形成於調整器本體5 3上端部之安裝凸緣 部5 4 ;配置於流入通道5 1 a和供給通道5 2 a之間而 以實施開閉兩通道來調整燃料壓力之調整閥5 5 ;及如圖 6所示，形成一體於調整器本體5 3之支承托架5 6等。 在水平筒部5 1形成有如圖4所不之流入通道5 1 a ，且在其開口部嵌合了柱塞泵2 0之接合構件3 6，而作 爲第2連接部來產生功能。又水平筒部5 1係將用於開關 流入通道5 1 a的止回閥5 7由彈簧3 8朝關閉方向彈壓 狀態來加以保持。止回閥5 7及彈簧5 8係要構成調整閥 之一部分者。 又在水平筒部5 1下側，形成有要插入過濾器4 0之 突出片4 3用的插入孔6 5。 經濟部智慧財產局員工消費合作社印製 如圖4所示，朝水平方向展延之流入通道5 1 a和朝 垂直方向展延之供給通道5 2 a的交叉空間，配置有構成 調整閥5 5之一部分的隔片（diaphragm ) 5 9。隔片5 9 係由隔片本體59a、和彈簧59b，及具有貫穿孔 5 9 c /之帽形蓋5 9 c所形成。而形成隔片本體5 9 a 之一部分抵接於止回閥5 7之針5 7 a來反抗於彈簧5 8 之彈壓力，以打開止回閥5 7。 亦即，由止回閥（針5 7 a ) 5 7、彈簧5 8、隔片 5 9來構成用於調整在供給通道5 2 a和流入通道5 1 a 的燃料壓力用之調整閥。對於調整閥5 5之動作說明時， 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -11 - 530119 A7 B7 五、發明説明（9 ) 在供給通道5 2 a或隔片室5 5 a內之壓力爲所定壓力以 上時，止回閥5 7係由彈簧5 8之彈壓力而關閉流入通道 (請先閱讀背面之注意事項再填寫本頁) 5 1 a ° 於該狀態下，供給通道5 2 a內之燃料壓力成爲所定 位準以下，就可由彈簧5 9 b之彈壓力而使隔片5 9產生 動作來推壓針5 7 a，由而可打開止回閥5 7。 在供給通道5 2 a上端部，形成有要連接供給管5之 連接器用的連接部6 0，且在其側部，形成了露出端子 6 1 a於內部空間之用於電連接用的連接器6 1 ，又在安 裝凸緣部5 4下側形成了朝水平方向突出之公型電連接器 6 2。 電連接器6 2乃具有藉從端子6 1 a埋設於調整器本 體5 1內之電性配線6 1 b所連接之陰型端子6 2 a ，且 形成被嵌合於柱塞泵2 0之電連接器3 9而使端子2 6 a 接合於陰型端子6 2 a。 經濟部智慧財產局S工消費合作社印製 如圖5所示，在調整器本體5 3形成有連通於供給通 道5 2 a之通道6 3及緩衝室6 4。而在緩衝室6 4，收 容有要吸收燃料之脈動（壓力變動）來使之衰減用的脈動 緩衝器7 0。脈動緩衝器7 0係可形成彈性之變形的中空 體，具有形成格子狀骨架之支承7 1於內部，而在支承 7 1外部，安裝有橡膠製之變形膜7 2。 因而，當產生脈動（壓力變動）於供給通道5 2 a內 之燃料時，會伴隨著產生變動緩衝室6 4內之壓力，而響 應於該變動壓力，可令變形膜7 2所佔有之容積形成增力口 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -12- 530119 A7 B7 五、發明説明（10) 或減少，由而，可令產生於燃料之脈動能以良好效率來吸 收而使之衰減。 (請先閲讀背面之注意事項再填寫本頁) 在此，因形成供給通道5 2 a之展延方向L 2和緩衝 室64 (脈動緩衝器70)之展延方向L3略爲平行，因 而可令兩者互相靠近來實施積聚化，使得可貢獻於裝置寬 度狹窄化、小型化。 支承托架5 6係如圖6及圖7所示，從調整器本體 5 3朝水平方向Η 1展延且形成有2個互成對向。而形成 由〕字狀之缺口所占有之可撓片5 6 a ，並在其前端部形 成有朝向內側之掛住爪5 6 a >。 又兩個支承托架5 6之內壁寬W 1係形成爲與形成於 托架2 8之兩個卡合片2 8 a的外壁寬W2大致相等。當 卡合片2 8 a插入於支承托架5 6內側時，可撓片5 6 a 會朝外側被推壓而彎曲，並在掛住爪5 6 a，進入於掛住 孔2 8 b之當時，可由兩者之扣接而確實地實施連結。 經濟部智慈財產局員工消費合作社印製 亦即，因以所謂之推入柱塞泵2 0之卡合片2 8 a ， 而能以簡單之單觸操作來連結兩者，因而形成並不需要連 結螺栓等之特別連結零件，使得可實施構造之簡略化、小 型化、輕量化等。再者，當要分離兩者時，只要朝外側弄 寬可撓片5 6 a ’以令掛住爪5 6 a >從掛住孔2 8 b脫 離之簡單操作就可。 要組裝柱塞栗2 0和燃料壓力調整器5 〇，將如圖6 所示，首先，組裝過濾器4 0於柱塞泵2 0。 接著，在垂直於往回移動方向L 1及展延方向l 2之 本紙張尺度適用中國國家標準（CNS ) A4規格^ 210X297公釐） ' --- -13- 530119 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明説明（11 ) 水平方向Η 1 ，予以靠近兩者來嵌合作爲第1連結部之陰 型電連接器3 9和陽型之電連接器6 2之同時，嵌合作爲 第2連結部之陽型接合構件3 6和陰型之水平筒部。 該時’以插入突出片4 3於插入孔6 5來組裝。再者 ，對於卡合片2 8 a之掛住孔2 8 b予以掛住支承托架 56之可撓片56a(掛住爪56a>)，以實施扣接結 合。 當電連接器3 9及接合構件3 6之間隔（間距），和 電連接器6 2及水平筒部5 1之間隔（間距）未形成一致 時，尤其前者之間距爲大時，以適當地調整作爲調整機構 之波形墊圈3 0之變形量來對齊間距，就可容易地實施組 裝。 又在兩者組裝之狀態下，即使例如嵌合筒部4 2之嵌 合力變爲弱，也由於過濾器4 0之突出片4 3形成插入於 插入孔6 5內之狀態，因而可防止過濾器4 0會從柱塞泵 2 0脫落之情事。因此，能在不使用連接螺柱等之特別連 接零件下，作爲也組裝有過濾器4 0之模組品來利用爲燃 料供給裝置1 ◦。 又柱塞泵2 0和燃料壓力調整器5 0形成結合狀態下 ，柱塞2 2之往回移動方向L 1和供給通道之展延方向 L 2係形成爲略平行。亦即，柱塞泵2 0其本身乃朝柱塞 2 2之往回移動方向L 1形成長的輪廓’又燃料壓力調整 器5 0乃令調整器本體5 3其本身朝供給通道5 2 a之展 延方向形成爲長尺寸，因而，構成兩者之方向L1、L2 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ----Γ-------^---訂--------- (請先閲讀背面之注意事項再填寫本頁) -14- 530119 A7 B7 五、發明説明（12) (請先閱讀背面之注意事項再填寫本頁} 成爲略平行’就可令構成零件集聚化於中央部來形成寬度 狹窄之輪廓，使得可實施作爲燃料供給裝置1 0之寬度狹 窄化、小型化等。 又由於形成縱向設置柱塞泵2 0，而在其下端部配置 了吸入口 3 2a /及過濾器40，配設吐出口 36a，於 下端部近旁側面，且形成連通於吐出口 3 6 a —之流入通 道5 1 a爲水平，並配置調整閥5 5於流入通道5 1 a和 供給通道5 2 a之交叉區域，因此，可確實地保證燃料之 吸入及壓力運送功能，壓力之調整可能，並可盡可能地降 低裝置之高度，而可完成爲作爲模組品之燃料供給裝置 1 0形成小巧（小型）者。 經濟部智慈財產局W工消費合作社印製 又作爲要連結柱塞泵2 0和燃料壓力調整器5 0之連 不口部’由於弟1連結部兼用爲要連接電性配線之電連接器 39、62，第2連結部兼用爲要連通吐出口 36a /和 流入通道5 1 a用之連通道，因此，較另設連結部時，可 令構造成爲簡略化。再者，作爲連結部，因採用了扣接結 合，因而，較僅爲第1連結部及第2連結部之時，更可堅 固地結合兩者。 圖8係顯示改變脈動緩衝器7 0之安裝位置的其他實 施例者。再者，對於與前述之實施形態爲同一結構，將附 上同一符號，並省略其說明。 於本實施形態乃如圖8所示，形成通道緩衝室6 4之 通道6 3 /並非在調整閥5 5之下流側而是在上流側，亦 即，形成爲可連接於流入通道5 1 a。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -15- 530119 A 7 B7 五、發明説明（13 ) (請先閱讀背面之注意事項再填寫本頁j 因而，在流入通道5 1 a內之燃料產生脈動（壓力變 動）時，會伴隨著該脈動而使緩衝室6 4內之壓力會變動 ’且響應於該變動壓力而使變形膜7 2所占有之容積會產 生增加或減少。由而’較如圖5所示時，更有效果地吸收 產生於燃料之脈動而使之衰減。 於上述實施形態，雖顯示設置本發明之燃料供給裝置 1 0於兩輪車的燃料箱1內之狀態，但並非限定於該狀態 而已，其他之車輛，例如三輪車或四輪車等之輕便送貨車 、割草機、發電機等之汎用引擎、或休閒船艇等之船舶， 再者雪車等之小排氣量的引擎及裝載較小型燃料箱之車輛 時，也可良好地適用。 〔發明之效果〕 經濟部智慈財產笱貨工消費合作社印製 如上所述，依據本發明之燃料供給裝置，由於以成一 體結合具備形成直線性之往復移動來進行吸入及壓力輸送 燃料的柱塞之柱塞栗，及連通於其吐出口而要進行調整在 朝向噴射器供應燃料時之壓力的燃料壓力調整器來形成模 組化，因此，可提供整體言成爲小型（小巧），而尤其要 設置於兩輪車等之小型燃料箱，極爲合適之燃料供給裝置 〇 尤其，因構成柱塞之往復移動方向和燃料壓力調整器 之供給通道的展延方向成爲略平行，使得兩者能以良好效 率來集聚化’使得作爲裝置整體可更進一步形成爲小型化 (小巧化）。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -16- 530119 A7 B7 五、發明説明（14) (請先閱讀背面之注意事項再填寫本頁) 又以配置過濾器於裝置下側’配置泵本體及調整器本 體於中間，配置安裝凸緣部於上側，因此，僅要固定安裝 凸緣部於例如燃料箱壁面，就可容易地設置於燃料箱內， 又可作爲也包括過濾器之模組品來利用。 又令柱塞泵之泵本體及燃料壓力調整器之調整器本體 能以第1連結部及第2連結部來連結，且給予第1連結部 及第2連結部各具有電性連接及連通道之功能，使得成爲 容易組裝又形成堅固之同時，較另設僅具有作爲連結部功 能者之狀況，能使構造成爲簡略化。又以採用扣接結合， 而使兩者能以簡單之單觸操作來連結爲堅固，又不需要連 接螺栓等之特別的連結零件，因此，可實施構造之簡略化 、小型化、輕量化等。 再者，由於採用能調整第1連結部及第2連結部之間 隔的調整手段（機構），因此，即使產生間距上之偏差， 也能使兩者之組裝成爲容易。 〔圖式之簡單說明〕 經濟部智慧財產局員工消費合作社印製 圖1係顯示設置有關本發明之燃料供給裝置於燃料箱 的狀態之燃料供給系統的槪略圖。 圖2係有關本發明之燃料供給裝置的側面圖。 圖3係有關本發明之燃料供給裝置的平面圖。 圖4係有關本發明之燃料供給裝置的縱向剖面圖。 圖5係顯示燃料壓力調整器之一部分的縱向剖面圖。 圖6係顯示分解在結合柱塞泵和燃料壓力調整器前之 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -17- r A7 B7 530119 五、發明説明（15) 狀態的分解圖。 圖7係顯示扣接結合之部分放大斜視（立體）圖。 (請先閱讀背面之注意事項再填寫本頁) 圖8係顯示對於脈動緩衝器之安裝位置的其他實施形 態之縱向剖面圖。 〔符號之說明〕 1 燃料箱 2 引擎 4 噴射器 5 供應管 10 燃料供給裝置 2 0 柱塞泵 2 2 柱塞 2 3 上側心（泵本體） 2 4 下側心（泵本體） 2 6 電磁線圈 2 6a 端子（電性配線） 經濟部智慧財產局員工消費合作社印製 2 7 外側殼（泵本體） 2 8 托架 2 8a 卡合片 2 8 a ^ 掛住孔（扣接） 3 0 波形墊圈（調整手段） 3 1、3 5 盤簧 3 2 a ^ 吸入口 本纸張尺度適用中國國家標準（CNS ) A4規格（210><297公釐） •18- 530119 A7 B7 五、發明説明（16 3 3、3 7 止回閥 3 6 接合構件（第2連接部） (請先閱讀背面之注意事項再填寫本頁) 3 6 a ^ 吐出口 3 9 電連接器（第1連接部） 4 0 過濾器 4 3 突出片 50 燃料壓力調整器 5 1 水平筒部（第2連結部） 51a 流入通道 5 2 垂直筒部 52a 供給通道 53 調整器本體 5 4 安裝凸緣部 5 5 調整閥 5 6 支承托架 5 6a 可撓片（扣接） 5 7 止回閥 經濟部智慈財產局員工消費合作社印製 5 8 彈簧 5 9 膜片 6 2 電連接器（第1連結部） 6 3、6 3 > 通道 6 4 緩衝室 6 5 入孔 70 脈動緩衝室 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -19- 530119 Β7 五、發明説明（17 ) 7 1 支 承 7 2 變 形 膜 L 1 柱 塞 之往 回 移 動 方 向 L 2 供 給 通道 之 展 延 方 向 Η 1 垂 直 於往 回 移 動 方 向及展延方向之方向 —-II 1- ϋ·ν —--I- i i- - *ίί «1^1------am HI nn ϋϋ ^ V ---- I. i ——_ (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） -20-530119 Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the Invention ([Technical Field to which the Invention belongs] This invention relates to an injector suitable for supplying (supplying) fuel to an internal combustion engine (hereinafter referred to as an engine) The fuel supply device is particularly a fuel supply device to be installed in a fuel tank of a vehicle such as a two-wheeled vehicle equipped with a small-displacement engine. [Known Technology] To supply (supply) fuel to a four-wheeled vehicle or the like. The engine system is known as a fuel supply device that is assembled in a fuel tank by assembling a fuel pump, a fuel (pressure) regulator, and a filter. The fuel pump is a fuel supply device that constitutes the fuel supply device. For example, a circular-flow turbine (turbine) pump is used. The dipper chestnut has a large and complex structure such as a chestnut and a motor, and it does not have a self-priming ability, so it is placed in the fuel tank. Therefore This fuel supply device is a large fuel tank suitable for being accommodated in a fuel tank such as a four-wheeled automobile. [Problems to be Solved by the Invention] For engines with a small displacement, such as two-wheelers with an engine of about 50 cc to about 250 cc per cylinder, the fuel tank is also small, and its shape is also limited. The fuel supply device described above is difficult in a fuel tank. In two-wheeled vehicles, engines, fuel tanks, etc. are located in close proximity to the area. Therefore, as a fuel supply system, it is necessary to make paper as hard as possible. Zhang scale is applicable to China National Standard (CNS) Α4 specification (210 × 297 mm) --------- Equipment ----: --- Order ----- (Please read the precautions on the back before Fill out this page} -4-530119 A7 -—B7 Printed by the Intellectual Property of the Ministry of Economic Affairs, Gou Industrial Co., Ltd. V. Invention Description (2) Affected by the radiant heat from the engine, and in order to avoid damage caused by falling down, etc. The system is made as simple as possible to reduce parts, or exposed to the outside. The present invention was invented in view of the above, and its purpose is to provide a miniaturization of the plan, a simplified structure, and improved functions. Reliability, etc., especially suitable for installation A fuel supply device for a vehicle such as a two-wheeled vehicle with a small displacement engine. [Means for Solving the Problem] The fuel supply device of the present invention is installed in a fuel tank and supplies fuel to an injector of an internal combustion engine. In order to have: a plunger pump including a pump body occupying a suction port and a discharge port, which moves linearly back in the pump body for suction and pressure delivery of fuel, and a plunger pump for driving a solenoid coil of the plunger Volume type plunger pump; and an adjuster body including an inflow passage that communicates with the discharge port and a supply passage that supplies fuel to the injector, and an adjustment valve for adjusting the fuel pressure between the inflow passage and the supply passage According to this structure, the plunger body capable of pressure-feeding the fuel by the backward movement of the plunger can be made smaller, and the small Since the plunger pump and the fuel pressure regulator are integrated (modularized), it can provide a small (small) and operation and management as a whole. The convenient fuel supply device is especially suitable for small fuel tanks installed in two-wheeled vehicles. In the above structure, the backward movement direction of the plunger and the extension of the supply channel The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling in this: write this page) Order it -5- 530119 A7 B7 5. Description of the invention (3) The direction of extension can be a structure formed into a slightly parallel. (Please read the precautions on the back before filling this page.) According to this structure, because the plunger and the supply channel are formed slightly parallel, that is, the long axis direction of the pump body and the long axis direction of the regulator body are formed slightly parallel, so By accumulating the two, the entire device can be further miniaturized. In particular, the outer contour of the device can be formed into a compact shape that is, for example, a square column or a substantially cylindrical shape, and is extremely convenient in operation and management. In the above-mentioned structure, the adjuster body may have a mounting flange portion formed on the upper side in the direction of extension in order to be mounted on the fuel tank, and the pump body has a suction port formed on the lower side in the backward movement direction and mounted on the suction side. □ The structure of the surrounding filter. According to this structure, since the filter is arranged on the lower side, the pump body and the regulator body are in the middle, and the mounting flange portion is on the upper side, the device can be easily installed only by mounting the mounting flange portion on, for example, the upper wall of the fuel tank. In the fuel tank, a filter may also be included to handle as a modular item. In the above structure, a structure may be adopted in the regulator body in which a pulsation buffer is provided which is connected to the supply channel to absorb the pulsation of the fuel. According to the structure of the Intellectual Property of the Ministry of Economic Affairs (printed by the Industrial and Consumer Cooperatives), fuel pulsations or pressure changes generated during fuel injection can be absorbed with good efficiency, that is, pulsations and attenuation. It is also equipped with a pulsation buffer at In the main body of the regulator, miniaturization can be implemented by agglomeration of parts. In the above structure, the pump body and the regulator body can adopt a direction that is slightly perpendicular in the backward moving direction and the extending direction, and is formed to be freely removable. The first connection part and the second connection part, and the first connection part is also used to apply the Chinese National Standard (CNS) A4 specification (210X297 male f " " -6-530119 A7 B7) to the paper size. 5. Description of the invention ( 4) (Please read the precautions on the back before filling out this page) The electrical connector for connecting the electrical wiring provided in the regulator body and the electrical wiring of the electromagnetic coil, and the second connection part is also used to communicate with the outlet According to this structure, the plunger pump and the fuel pressure regulator can be easily attached and detached by the first connection portion and the second connection portion, so that the assembly becomes a container. At the same time, each can be formed of a different material, for example, a plunger pump is formed of a metal material, and a fuel pressure regulator is formed of a resin material. The first connection portion and the second connection portion can be used simultaneously. It is an electrical connector and a fuel channel, which can simplify the structure when it is formed separately. In the above structure, the pump body and the adjuster body can be combined into a freely detachable structure by buckling. According to this structure, Because the two can be connected by a simple and independent operation, special connection parts such as connecting bolts are not required, so that the structure can be simplified, miniaturized, and lightweight. In the above structure, the pump body can be used with The structure of the adjustment mechanism that adjusts the interval between the first connection part and the second connection part. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs according to this structure, when the distance between the first connection part and the second connection part is on the plunger pump side When there is a difference from the fuel pressure regulator side, the deviation is adjusted by the adjustment mechanism, so the assembly of the two will be easy. [Embodiment of the Invention] Hereinafter, reference will be made to The embodiment of the present invention will be described in accordance with the attached drawings. Figures 1 to 7 show the actual size of the fuel supply device of the present invention. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm). 530119 A7 B7 V. Description of the invention (5) Application mode. The fuel supply device 10 related to this embodiment is an electronically controlled fuel injection engine configured to supply fuel to a solenoid-driven injector. This is a part of the system. As shown in FIG. 1, it is provided in the fuel tanks 1 of the two vehicles, and the fuel supply is formed by the injector 4 through the supply pipe 5 and toward the intake port 3 of the engine 2. The fuel supply device 10 is a volume-type plunger pump 20 ′ as shown in FIG. 2 and FIG. 3, and an inlet-controlled fuel pressure regulator 50 for adjusting the fuel pressure on the upstream side of the injector 4. Those who do not use piping for connection, etc., are integrated into a whole, and they are modularized. The size of the outer contour is agglomerated (dense) with a height of about 8 mm to 100 mm, and the mounting flange where the outer diameter D is the largest is about 70 mm to 80 mm, and the width of the body portion w The size is about 4 Omm to 6 Omm, and it is miniaturized, making it a convenient contour for operation and management. The plunger pump 20 is an electromagnetically driven positive displacement pump. As shown in FIG. 4, the plunger pump 20 includes: a cylinder 2 1; a plunger 2 2 that is linearly moved back and inserted into the cylinder 21; On the outer periphery of the cylinder 21, the lateral center 23 and the lower center 2 4; the electromagnetic coil 2 6 wound around the bobbin 25 fitted on the outer periphery of the upper center 2 3 and the lower center 2 4; covering the electromagnetic wire 圏 2 6 The outer shell 2 7 is formed by a resin material or the like on the outer periphery; the brackets 2 8 and the holding plates 2 9 are mounted around the outer shell 2 7 as shown in FIGS. 6 and 7; and are arranged on the coil bobbin 2 5 Wave washer 30, etc., as an adjustment mechanism between the plate and the plate 29. An end wall 2 3 a is formed on the upper part of the upper center 2 3, and a through-hole 2 3 a is formed at the central part thereof to communicate with the outside. And the end wall 2 3 a This paper size is applicable to the Chinese National Standard (CNS) Α4 specification (210X 297 mm) (Please read the notes on the back first and then fill in. Packing-: Write this page) Ministry of Economy Wisdom Printed by the Consumer Cooperative of the Property Bureau-8- 530119 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 Β7 V. Description of the invention (6) A coil spring 31 is arranged between the plunger 22 and the plunger 22. A channel member 32 forming a channel 32a having a suction port 32a > is fitted to the lower end portion of the lower core 24. On the other hand, the passage member 32 is held in a state of being spring-pressed by the spring 34 to close the check valve for closing the passage 3 2 a. Between the upper end surface of the channel member 3 2 and the plunger 22, a coil spring 35 is arranged. The side surface of the lower center 2 4 is connected to form a vertical extension (stretch) with respect to the backward movement direction L1 of the plunger 2 2 and has an outlet 3 6 a > a channel 3 6 a at the front end. The joining member 36 as the second connection portion. The engaging member 3 6 is held in a state in which the check valve for opening and closing the passage 3 6 a is spring-biased by the spring 38 in the closing direction. It is also at the lower end portion 2 (ie, the suction port 3 2). a > around) 'Filter 40 is installed. The filter 40 is composed of a filter body 4 1 and a fitting cylindrical portion 4 2 for coupling the filter body 41 to the lower center 2 4 and a protrusion protruding from the outer periphery of the fitting cylindrical portion 4 2 in a diameter direction. Sheets 4 3 are formed. On the upper side surface of the outer case 27, a female-type electrical connector 39, which is a first connection portion, which protrudes in the vertical direction with respect to the moving direction L1 of the plunger 22, and has a connection hole 3a, is formed. The electrical connector 39 is held in a state where the terminal 2 6 a which is the electrical wiring of the electromagnetic coil 26 is exposed in the connection hole 39 a. As shown in Figs. 6 and 7, the brackets 2 and 8 are formed in a reverse U-shape, and have a direction perpendicular to the backward movement direction L 1 from one side thereof. 1 The standard of this paper is applicable to the Chinese National Standard (CNS) Α4 Specifications (210 × 297 mm) ----- ^ Loading ---- ^ --- Order ------. (Please read the precautions on the back before filling this page)-9-530119 A7 B7 V. Description of the invention (7) The two engaging pieces 28 a are extended, and the engaging pieces 28 a are formed with a slightly rectangular hanging hole 2 8 a /, and the bracket 8 is borrowed Claw (Please read the precautions on the back before filling in this page) 2 8 c to connect to the hanging plate 2 9. That is, 'the outer shell 2 7 which is to form the electrical connector 3 9, the channel member 3 2 and the lower center 2 4 occupying the suction port 3 2 a, and the joint member 3 6, holding the discharge port 3 6 a > The frame 28 and the like form a pump body directly coupled to the fuel pressure regulator 50. When the operation of the plunger pump 20 will be described, first, when the plunger 22 is moved in the backward moving direction L 1 by being energized to the electromagnetic coil 26, the check valve 3 3 is resisted due to the pressure difference. The valve is opened by the spring pressure of the spring 34, and the fuel is sucked from the suction port 3a to flow into the space s1. Printed by the R & D Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. When the current is cut off to the electronic coil 26, the plunger 22 will stop and the check valve 3 3 will be opened and closed. At the same time, it can be switched by the coil springs 3 1 and 3 5 The elastic force causes the plunger 22 to move downward in the backward moving direction L 1 to compress the fuel in the space S 1. When the fuel is compressed beyond a predetermined pressure, the check valve 37 will open the valve against the spring pressure of the spring 38, and spit out the compressed fuel from the discharge port 36a. Then, when the spring pressures of the coil springs 3 and 35 become equalized, the plunger 22 will stop. Furthermore, although the above-mentioned operation describes the basic operation when the column base 22 is moved back once, in the normal operation, the fixed volume corresponding to the moving stroke is made by continuously performing the backward movement. The fuel will be continuously sucked in and delivered under pressure. The fuel pressure regulator 50 is an inlet (inlet) control type regulator for adjusting the fuel pressure upstream of the injector 4. As shown in FIG. 4, it has the paper size applicable to the Chinese National Standard (CNS) A4 specification (210X 297). -10- 530119 A7 B7 V. Description of the invention (8) (Please read the precautions on the back before filling out this page): Make the inflow channel 5 1 a horizontal cylinder 5 1 and the supply channel 5 2 a The vertical cylinder portion 5 2 is a regulator body 5 3 formed of a resin material; a mounting flange portion 5 4 integrally formed on the upper end portion of the regulator body 5 3; and arranged in the inflow passage 5 1 a and the supply passage 5 2 A is a regulating valve 5 5 that adjusts the fuel pressure by opening and closing two channels; and a supporting bracket 56 that is integrally formed with the regulator body 5 3 as shown in FIG. 6. The horizontal cylindrical portion 51 is formed with an inflow passage 5 1 a as shown in FIG. 4, and an engaging member 36 of the plunger pump 20 is fitted in an opening portion thereof to function as a second connection portion. In addition, the horizontal cylinder portion 5 1 is held by a spring 3 8 in a closed state by a check valve 5 7 for opening and closing the inflow passage 5 1 a. The check valve 57 and the spring 5 8 are part of an adjustment valve. In the lower side of the horizontal cylinder portion 51, an insertion hole 65 is formed for the protruding piece 43 of the filter 40 to be inserted. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, as shown in Figure 4, the intersection of the inflow passage 5 1 a extending horizontally and the supply passage 5 2 a extending vertically is provided with a regulating valve 5 5 Part of the diaphragm (diaphragm) 5 9. The spacer 5 9 is formed by a spacer body 59 a, a spring 59 b, and a cap-shaped cover 5 9 c having a through hole 5 9 c /. A part of the spacer body 5 9 a is formed to abut the needle 5 7 a of the check valve 5 7 to resist the spring pressure of the spring 5 8 to open the check valve 57. That is, the check valve (needle 5 7 a) 5 7, the spring 5 8, and the spacer 5 9 constitute a regulating valve for adjusting the fuel pressure in the supply passage 5 2 a and the inflow passage 5 1 a. For the description of the operation of the regulating valve 5 5, this paper size applies the Chinese National Standard (CNS) A4 (210X 297 mm) -11-530119 A7 B7 V. Description of the invention (9) In the supply channel 5 2 a or the spacer When the pressure in the chamber 5 5 a is higher than the predetermined pressure, the check valve 5 7 closes the inflow channel by the spring pressure of the spring 5 8 (please read the precautions on the back before filling this page) 5 1 a ° in this state Next, the fuel pressure in the supply channel 5 2 a becomes below the positioning level, the spacer 5 9 can be moved by the spring pressure of the spring 5 9 b to push the needle 5 7 a, and the check valve 5 can be opened. 7. At the upper end portion of the supply channel 5 2 a, a connection portion 60 for a connector to be connected to the supply pipe 5 is formed, and at the side portion, a connector for electrical connection is exposed to expose the terminal 6 1 a to the internal space. 6 1, and a male electrical connector 6 2 protruding in the horizontal direction is formed on the lower side of the mounting flange portion 5 4. The electrical connector 6 2 has a female terminal 6 2 a connected to the electrical wiring 6 1 b embedded in the adjuster body 5 1 through the terminal 6 a, and is formed to be fitted into the plunger pump 20. The electrical connector 3 9 connects the terminal 2 6 a to the female terminal 6 2 a. Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs As shown in Fig. 5, the regulator body 53 is formed with a passage 6 3 and a buffer chamber 64 which communicate with the supply passage 5 2 a. In the buffer chamber 64, a pulsation buffer 70 for absorbing the pulsation (pressure fluctuation) of the fuel and attenuating it is accommodated. The pulsation damper 70 is a hollow body which can be elastically deformed, and has a support 71 which forms a lattice-shaped skeleton inside, and a deformation film 72 made of rubber is installed outside the support 71. Therefore, when a pulsation (pressure fluctuation) occurs in the fuel in the supply channel 5 2 a, the pressure in the buffer chamber 64 will be accompanied by the pressure, and in response to the fluctuation pressure, the volume occupied by the deformed film 72 can be made. Forming a booster port The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -12- 530119 A7 B7 V. Description of the invention (10) or reduction, so that the pulsating energy generated from the fuel can be well Efficiency to absorb and attenuate. (Please read the precautions on the back before filling in this page.) Here, the extension direction L 2 forming the supply channel 5 2 a and the extension direction L 3 of the buffer chamber 64 (pulsation buffer 70) are slightly parallel, so By accumulating the two closer to each other, it can contribute to narrowing and miniaturizing the device width. As shown in FIG. 6 and FIG. 7, the support bracket 5 6 extends from the adjuster body 53 in the horizontal direction Η 1 and is formed in two mutually opposite directions. A flexible piece 5 6 a occupied by a] -shaped notch is formed, and a holding claw 5 6 a > facing inward is formed at a front end portion thereof. The inner wall width W1 of the other two support brackets 56 is formed to be substantially equal to the outer wall width W2 of the two engagement pieces 2 8a formed in the brackets 28. When the engaging piece 2 8 a is inserted into the inside of the support bracket 5 6, the flexible piece 5 6 a will be pushed and bent toward the outside, and will enter the holding hole 2 8 b while holding the claw 5 6 a. At that time, the connection could be carried out reliably by the connection of the two. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, that is, the two pieces can be connected by a simple one-touch operation because of the so-called engagement piece 2 8 a which is pushed into the plunger pump 20. Special connection parts such as connection bolts are required, so that the structure can be simplified, miniaturized, and lightened. Furthermore, when the two are to be separated, the flexible piece 5 6 a ′ may be widened to the outside so that the catching claws 5 6 a > can be easily separated from the catching holes 2 8 b. To assemble the plunger pump 20 and the fuel pressure regulator 50, as shown in FIG. 6, first, assemble the filter 40 to the plunger pump 20. Next, the Chinese paper standard (CNS) A4 size ^ 210X297 mm) is applied to the paper size perpendicular to the backward movement direction L 1 and the extension direction l 2 '' --- -13- 530119 employee consumption of the Intellectual Property Bureau of the Ministry of Economic Affairs Cooperative printed A7 B7 V. Description of the invention (11) Horizontal direction Η 1 and close to both to fit the female electrical connector 3 9 and the male electrical connector 6 2 as the first connecting part. The male coupling member 36 of the second connection portion and the female horizontal cylinder portion cooperate. At this time, it is assembled by inserting the protruding piece 4 3 into the insertion hole 65. Furthermore, the hooking holes 2 8 b of the engaging pieces 2 8 a are hooked to the flexible pieces 56 a of the support bracket 56 (hook the claws 56 a >) to perform the snap-fitting. When the distance (pitch) between the electrical connector 39 and the joint member 36 is not consistent with the distance (pitch) between the electrical connector 62 and the horizontal cylindrical portion 51, especially when the distance between the former is large, it is appropriate to appropriately By adjusting the deformation amount of the wave washer 30 as an adjustment mechanism to align the pitch, assembly can be easily performed. In the state where the two are assembled, even if, for example, the fitting force of the fitting cylindrical portion 42 becomes weak, the protruding piece 43 of the filter 40 is inserted into the insertion hole 65, so filtering can be prevented. The device 40 will fall off from the plunger pump 20. Therefore, the fuel supply device 1 can be used as a module in which the filter 40 is also assembled without using special connection parts such as a connection stud. When the plunger pump 20 and the fuel pressure regulator 50 are in a combined state, the backward movement direction L 1 of the plunger 22 and the extension direction L 2 of the supply passage are formed to be slightly parallel. That is, the plunger pump 20 itself forms a long profile toward the backward movement direction L 1 of the plunger 22, and the fuel pressure regulator 5 0 causes the regulator body 5 3 itself to face the supply passage 5 2 a. The extension direction is formed as a long dimension, so the directions L1 and L2 constituting the two are applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) ---- Γ ------- ^- --Order --------- (Please read the notes on the back before filling this page) -14- 530119 A7 B7 V. Description of the invention (12) (Please read the notes on the back before filling this page } Become slightly parallel, the component parts can be gathered in the central part to form a narrow width profile, so that the width of the fuel supply device 10 can be narrowed and miniaturized. Also, since the plunger pump 20 is installed vertically A suction port 3 2a / and a filter 40 are arranged at a lower end portion thereof, and a discharge port 36 a is provided at a side surface near the lower end portion, and an inflow channel 5 1 a communicating with the discharge port 3 6 a is formed horizontally, and The regulating valve 5 5 is arranged at the intersection area of the inflow passage 5 1 a and the supply passage 5 2 a. Fuel suction and pressure transportation functions, pressure adjustment is possible, and the height of the device can be reduced as much as possible, and it can be completed as a modular fuel supply device 10 to form a compact (small) person. Ministry of Economic Affairs, Intellectual Property Office Printed by W.Korea Consumer Cooperatives and used as the inseparable part to connect the plunger pump 20 and the fuel pressure regulator 50. Since the first part is also used as the electrical connector 39, 62 for the electrical wiring, the second The connection part is also used as a connection passage for connecting the discharge port 36a / and the inflow passage 5 1 a. Therefore, the structure can be simplified compared to the case where a separate connection part is provided. Furthermore, as the connection part, a snap connection is used. Therefore, the first connection portion and the second connection portion can be combined more firmly than when only the first connection portion and the second connection portion are provided. FIG. 8 shows another embodiment in which the installation position of the pulsation damper 70 is changed. Furthermore, for the The aforementioned embodiment has the same structure, and the same reference numerals will be attached, and descriptions thereof will be omitted. In this embodiment, as shown in FIG. 8, the passage 6 3 of the passage buffer chamber 64 is formed / not on the downstream side of the regulating valve 55. But on the high side, That is to say, it can be connected to the inflow channel 5 1 a. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -15- 530119 A 7 B7 V. Description of the invention (13) (Please read the first Note: Please fill in this page again. Therefore, when the fuel in the channel 5 1 a has a pulsation (pressure fluctuation), the pressure in the buffer chamber 64 will change along with the pulsation ', and in response to the fluctuating pressure, The volume occupied by the deformed film 72 will be increased or decreased. Therefore, the pulsation generated by the fuel is more effectively absorbed and attenuated than when shown in FIG. 5. In the above embodiment, although the state in which the fuel supply device 10 of the present invention is installed in the fuel tank 1 of the two-wheeled vehicle is shown, it is not limited to this state. Other vehicles, such as tricycles or four-wheeled vehicles, are easily transported. It is also suitable for general-purpose engines such as trucks, lawnmowers, and generators, or ships such as recreational boats, and small-displacement engines such as snowmobiles and vehicles equipped with smaller fuel tanks. [Effects of the Invention] As described above, printed by the Intellectual Property and Consumer Goods Cooperative of the Ministry of Economic Affairs, according to the fuel supply device of the present invention, since the fuel supply device according to the present invention is integrated with a linear reciprocating movement, the column for inhaling and pressure-feeding fuel is provided. The plugged plunger pump and the fuel pressure regulator that communicates with its discharge port to adjust the pressure when supplying fuel to the injector are modularized. Therefore, it can provide a compact (small) overall, and especially It is a very suitable fuel supply device to be installed in a small fuel tank such as a two-wheeled vehicle. In particular, the reciprocating direction of the plunger and the spreading direction of the fuel pressure regulator's supply channel become slightly parallel, so that the two can Agglomeration with good efficiency allows the device as a whole to be further downsized (miniaturized). This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -16- 530119 A7 B7 V. Description of the invention (14) (Please read the precautions on the back before filling this page) and configure the filter on the device The bottom side is provided with the pump body and the regulator body in the middle, and the mounting flange portion is arranged on the upper side. Therefore, the flange portion can be easily installed in the fuel tank only by fixing the mounting flange portion to, for example, the wall surface of the fuel tank. Use filter modules. In addition, the pump body of the plunger pump and the regulator body of the fuel pressure regulator can be connected by the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are each provided with an electrical connection and a connecting channel. The function makes it easy to assemble and form a strong structure, and it can simplify the structure compared with the condition that it only has a function as a connecting part. With the use of snap-in connection, the two can be connected with a simple one-touch operation to be strong, and no special connecting parts such as connecting bolts are required. Therefore, the structure can be simplified, miniaturized, and lightweight. . In addition, since an adjusting means (mechanism) capable of adjusting the distance between the first connection portion and the second connection portion is used, even if there is a deviation in the pitch, the assembly of the two can be facilitated. [Brief description of the drawing] Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs Figure 1 is a schematic diagram showing a fuel supply system in which the fuel supply device of the present invention is installed in a fuel tank. Fig. 2 is a side view of a fuel supply device according to the present invention. Fig. 3 is a plan view of a fuel supply device according to the present invention. Fig. 4 is a longitudinal sectional view of a fuel supply device according to the present invention. Fig. 5 is a longitudinal sectional view showing a part of a fuel pressure regulator. Figure 6 shows that the paper size before the combination of the plunger pump and the fuel pressure regulator applies the Chinese National Standard (CNS) A4 specification (210X297 mm) -17- r A7 B7 530119 5. State of the invention (15) Exploded view. FIG. 7 is an enlarged oblique (stereoscopic) view showing a part of the fastening connection. (Please read the precautions on the back before filling out this page) Figure 8 is a longitudinal sectional view showing other implementation forms for the installation position of the pulsation damper. [Explanation of Symbols] 1 Fuel tank 2 Engine 4 Injector 5 Supply pipe 10 Fuel supply device 2 0 Plunger pump 2 2 Plunger 2 3 Upper side (pump body) 2 4 Lower side (pump body) 2 6 Solenoid coil 2 6a Terminal (electrical wiring) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 2 7 Outer shell (pump body) 2 8 Bracket 2 8a Snap piece 2 8 a ^ Hanging hole (snap) 3 0 Wave washer (Adjustment means) 3 1, 3 5 Coil spring 3 2 a ^ The size of the paper on the suction port is in accordance with China National Standard (CNS) A4 (210 > < 297 mm) • 18- 530119 A7 B7 V. Description of the invention ( 16 3 3, 3 7 Non-return valve 3 6 Joining member (second connection part) (Please read the precautions on the back before filling out this page) 3 6 a ^ Outlet port 3 9 Electrical connector (first connection part) 4 0 Filter 4 3 Protruding piece 50 Fuel pressure regulator 5 1 Horizontal cylinder portion (second connecting portion) 51a Inflow channel 5 2 Vertical cylinder portion 52a Supply channel 53 Regulator body 5 4 Mounting flange portion 5 5 Adjustment valve 5 6 Support bracket 5 6a Flexible piece (snap) 5 7 Non-return valve Intellectual property bureau of the Ministry of Economy Printed by the cooperative 5 8 Spring 5 9 Diaphragm 6 2 Electrical connector (first connection) 6 3, 6 3 > Channel 6 4 Buffer chamber 6 5 Entry hole 70 Pulsation buffer chamber This paper is in accordance with Chinese national standards (CNS ) A4 size (210X 297mm) -19- 530119 Β7 V. Description of the invention (17) 7 1 Support 7 2 Deformed film L 1 Backward movement direction of plunger L 2 Extension direction of supply channel Η 1 perpendicular to Direction of moving direction and extension direction—-II 1- ϋ · ν —-- I- i i--* ίί «1 ^ 1 ------ am HI nn ϋϋ ^ V ---- I. i ——_ (Please read the notes on the back before filling out this page) The paper size printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) -20-