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TW200800664A - Fuel tank connector - Google Patents

Fuel tank connector Download PDF

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Publication number
TW200800664A
TW200800664A TW096106922A TW96106922A TW200800664A TW 200800664 A TW200800664 A TW 200800664A TW 096106922 A TW096106922 A TW 096106922A TW 96106922 A TW96106922 A TW 96106922A TW 200800664 A TW200800664 A TW 200800664A
Authority
TW
Taiwan
Prior art keywords
fuel tank
synthetic resin
fuel
welding
connector
Prior art date
Application number
TW096106922A
Other languages
English (en)
Inventor
Toshio Hattori
Yasutomo Kobayashi
Tsuyoshi Kato
Original Assignee
Nifco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nifco Inc filed Critical Nifco Inc
Publication of TW200800664A publication Critical patent/TW200800664A/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/01—Arrangement of fuel conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0017—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor related to fuel pipes or their connections, e.g. joints or sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03177—Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/035—Fuel tanks characterised by venting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72341—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7172—Fuel tanks, jerry cans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
    • B60K2015/03447—Arrangements or special measures related to fuel tanks or fuel handling for improving the sealing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/47—Molded joint
    • Y10T403/477—Fusion bond, e.g., weld, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Description

200800664 九、發明說明： 【發明所屬之技術領域】 本發明係t關燃料箱用連接器，尤指— … ΐ等，料箱與用以輸送燃料至此燃料箱或將 改Γ產生自燃料箱之氣體等排出等之輸送管道:連 【先前技術】 查用以連接至少外面層以合成樹脂構成之烤制 七、給管或通氣管之連接器，具備設有大 ϋυ» S之=突;部及連通該燃料供給以= 部，以及戰環狀之内侧熔焊用部件者出揭m夕=焊用突 211254號專利公報中。丨干有揭不於日本特開2002- 側炫丄ί:側炫焊用突部與内 成，具有良好之相容性，因此，^ 料所構 =件相溶接之部分可焊接成為—體化溶焊 ?，其所用由氣障性合成樹脂（對料生^ /種連 “體造成障壁使之不易透過之合成樹氫等 觸朵轉邊網i、w 童_ J專利公報中 ，之合成樹職無相容性^ 件之上部之間，採用::¾ 如此，亦難成為一體化。因此， :件ϊίΐ=2面之氣體便1經突緣部下面ί内側ϊΐ 」件之上部之接觸界面流至外側轉 、⑽叫用 购厚外側轉卿卩之肉厚崎爾體之外H，。唯有 200800664 【發明内容】 本發明欲解決之主要課題，即在改善此種連接器中用 …=燃，之部分與用來阻止燃料所生氣體漏出之部之 3L，卜層減少祕焊於燃料箱後，氣體流經此- ⑴二種用以連接燃料箱與絲將燃料送人此燃料箱 及自此燃料箱排出氣體等之輸送管路之燃 (2) 该連接器係由： =足以覆蓋上述燃料箱上所開設之開口之大小 部及可連通上述輸送管路之流路之基體.緣 側上述突緣部之突出端部構成一體之外 之 =成ίΐ足以將上述燃料箱之開口納入内侧之大小< 與上述外側_部之;側: 内側溶焊用構件所構成；且 口取聪之 (3) ί^^Ι突部係以可熔焊於燃料箱之外面層之 ⑷基體細燃料所线體難 ，合成樹脂之合金材料 :上述第-合成樹脂具良好相容 (5)Γ=ί用構件係以上述第-合成樹脂構成。 係採用相ί之烊用突部與内靜熔焊用部件 脂舆第二合丄 6 200800664 部，，基體與内側_部件也在相接i部位炫融 第二 焊固可成為一 ^自可有效防止體自此熔ϊ部^"7前述 二賴祕检其自開口外漏，至於連接輯^基體f外觀焊用突部與内繼焊用部件如
人^種^料箱用連接器，如將上述内侧熔焊用構件做為# 人模壓成型法形成時，即可將内側熔焊:部& 基體^外娜焊用突部容易域城結合構成—體化。” 如使用上述嵌入模壓成型以形成連接器 Η运々、W 田L，.、即 Μ · n I 點如選用比第—合成樹脂之溶點高時，在嵌 基體相ί合部位，容易由注入填充於模穴内:;
型，基體之部分之第二合成樹脂再度加熱熔融，遂使成型 之逹接器在内側熔焊用部件與基體完全接合成一體化。 又，如將上述第一合成樹脂採用與構成燃料箱之外面層 之&成树月曰相同之合成樹脂時，即可將内側溶焊用部盥 側熔焊用突部利用熔接而使連接器焊固於燃料箱。 一 因此，本發明之燃料箱用連接器，可大幅改善用以焊接 在燃料箱之内側熔焊用部件與用以阻止燃料產生^氣體外漏 之基體之突緣部之一體性，因此，在焊接於燃料箱之後，可 有效減少§亥氣體從焊接部位外漏。 【實施方式】 以下，基於弟一圖至第五圖就本發明之典型實施例說明。 、在此’弟一圖表示實施例之連接器c正要安裝於燃料箱 Τ钿之狀恶，苐一圖表示安裝後之狀態。又，第三圖至第五 圖分別表示此連接器C之外觀各面視圖。 7 200800664 依本實施例之燃料箱用連接器c，係一種用來連接外面 層Ta由合成樹脂構成之如汽車等之燃料箱τ與用以輸送燃料 至此燃料箱T或將燃料自此燃料箱τ送出，及將氣體自燃料 箱T排出等之輸送管道L之連接器。 上述燃料箱T典型的具有聚乙烯或高密度聚乙烯製之外 面層Ta與内面層，且於此内面層與上述外面層Ta之間失設 有氣障層（即不使燃料所生氣體滲透過或使之難滲透過^ 層）〇
又，上述輸送管道L典型的可設定為由燃料供應管或 氣管La構成之管道。 又，該連接器C係由： α)具有足以覆蓋上述燃料箱τ上所開設之開口 Tb之大小之 突緣部10及可連通上述輸送管路L之流路11之基體i ; (2)與此基體1之至少上述突緣部1〇之突出端部丨此構 體之外侧熔焊用突部2;及 (3)形成具有足以將上述燃料箱τ之開口孔納入内侧之大 之環狀體，同時上部30與上述基體丨之突緣部1〇之下面 10g構成一體，且外側面31與上述外侧熔焊用突邱 内侧面20結合成一體之内侧熔焊用構件3所構成。 ，上述基體1在本實施例巾係具有可從上賴 外侧插入此燃料箱T内之插入部12。 "、、 之 插Cf 12之上部形成有在插人部12插人上__ 二體而吕，在此實施例中，在形成圓板狀 面一體形成該插入部12 ’此頂板13之相 之下 之外周面12a之間保有循著插人部插入部12 皆大致等間隔之外圍間隔，突緣部1〇即由：I:?位置 外周Γΐίϊ向外側突出之頂板13之外緣部分構i。2之 又，在本實施例中，基體1之上部位於上述頂板13之略 8 200800664 位：體形成有一端連通基體1内部而另—端向側面延 之管狀部14。而在此實施例中，燃料箱τ内之燃料所 係如後述可經由構成容許氣體流入之筒狀體恤之該 入^ 12内部，再從該管狀部14排出燃料箱τ之外部。亦
’齡狀部14構成可連通上述輸送管道L 在本此管狀部14之彎曲向侧面延伸 二:该可保持氣您狀態喪插於形成軟管狀之通氣管以之 二=二，上述管狀部14送出之上述氣體則經由連接此 之通氣官La送至空氣過濾罐等。 ί本，例中，具有如上述構造之基體1之上述頂 之上面13a全部與上述管狀部14外 ' 夕卜皮層15，且此頂板13之周緣部，即上^以; 熔焊用突部2與該外皮層15形成一體之構造。 11外側 之*ί^Λ’此= 麟焊用突部2形成沿著上述突緣部10 5大=Λί③覆之環狀構造。在本實施例中，該突緣部 〇之下© IGg形成有_其端面1G 伙 H)c ’而上述外皮層15係自頂板13之上====條 ，覆亡述端面i〇b及該環狀突條1〇c之外面而周 «====件3。在__中，此 ;;=用/:2之之突出端面= 二 係藉其上㈣度。__轉件3 之同時，且將此上部舆= 9 200800664 ::焊：。，大與基體1之接 接:苑※y义:二"採㈣ 上述當。狀第二合成樹脂與 :且與上料-錢魏 上述第-合成樹脂構成。 12插Λ料^’可將上述基體1之插入部 部幻與側;^用突部2之下 外面層Ta之衍署少义心下邛32可娅接上述燃料箱τ之 焊用突部2與_^焊用使外娜 沿全周固定於揪T @ 虫後硬化，而猎此熔接部 之突緣Ta’而將連接紅在基體i 又VLf開 _下安伽定於該開口Tb。 部21 述外側轉用突部2之下 夕T?插入燃料箱τ之開口 Tb内至上述 可碰ΐϊϊίϋΤΓ 構件3之下部32 用突部 t 二之ζ 焊化，使該外側熔焊用突部2及内側熔 雕1 3固疋於燃料箱丁之外面層Ta，而將連接哭〇在美 "ΐίϊΞ^ Tb" 焊用構件‘ 士器。：上述外側轉用突部2與内侧溶 係採用筮一人〔、朱同一第一合成樹脂構成之同時，基體1 成樹脂相容5第一合ΐ拍ί脂之合金材料或與第一合 义子之第一合成樹脂構成，外側炫谭用突部2 200800664 乃可於其姆接部位熔融㈣成-體 m所產生如碳化氫等氣體遂可由構成基體1 2-Ϊ =復因基體1與外侧料用4'==== 一體化之故’因此能有效防 緣邱 漏;之下面1〇g與内側溶焊用構件3之上部之間隙之氣; 以嵌上Γ側熔焊用構件3做為嵌入物而 炫焊用構件3之存在，可避免外=猎此内側 不久之時間内發生從所期之位置向突岡^成型後 内侧熔焊用構件3嵌入模内^^用突部2 ’或將 基體1同時成型亦可。、狀心下將外側溶焊用突部2與
Ta之又第如採用與構成燃料箱丁之外面層 燃料箱T。 大"卩之熔接使連接器相容地焊固在 成樹i之接器時，上述第二合 壓成型時’成型模具^^旨之炼點時’在截入模 與將成型之紐丨相接合^^^^^敝3之 將成型為基體！之部分之二人入填充於模穴内之 成型後之連接器C在内側再f加熱熔融，遂使 一體化。 ⑽从用構件3與基體1完全接合成 200800664 又 Τη之人ϋΐ一门合成樹脂如採用與構成燃料箱T之外面声 ^弟―成樹脂可用聚軸或聚醯胺與聚 乙烯或向禮、度t乙烯或變性聚乙烯之合金.材料。 第一合成樹脂如為高密度聚乙稀時， =醯胺與高密度聚乙烯之合金材料為4當: Μ 又，圖示之實施例，基體1係以其插入部做為燃料停供 ί體+言之，該基體1之插人部12形成—端之開口一 13之下面之筒狀體恤。此構成插入部12 ^狀體1如内部容設有浮筒通，此浮筒leb藉自身重量 =吊，於底面接觸設在筒狀體16a下端將筒狀體16a之下端 =封閉之底蓋16d之㈣（上面）上之位置，而在此， =士面所形成之閥突起16c _頂入形成在=管 ^ 4基端連接處入口之閥座16e，而呈闕開放狀態。此浮 同 之外面與上述筒狀體16a之内面之間，藉圖上未示之 肋條以確保間隙，在浮筒降下之狀態，經上述底蓋16d 之，壁所形成透孔16f及筒狀體16a之側所形成透孔igf流 ^筒狀體16a内之氣體可經由此間隙自上述管狀部14送出^ J二又，此浮筒臟之下面與底蓋刪之上面之—間設有壓縮 彈簧16g，當燃料自上述底蓋16d之透孔16f及筒狀體 ^侧面透孔16f而進入筒狀體16a内時，浮筒1此即藉此彈 貫16g之作用及燃料流壓而迅速浮起，遂使浮筒丨此上面略 中央所设閥突起16c進入上述閥座16e内以關閉閥，而阻止 12 200800664 燃料流入上述管狀部14内。 【圖式簡單說明】 第一圖表示本發明之連接器一實施例之局部剖面構成 圖。 第二圖表示本發明之連接器之安裝固定後使用狀態之局 部剖面構成圖。 第三圖表示本發明之連接器之俯視圖。 ' 第四圖表示本發明之連接器之側視圖。 ' 第五圖表示本發明之連接器之正視圖。 13 200800664
【主要元件符號說明】 T 燃料箱 Ta 外面層 Tb 開口 L 輸送管道 La 通氣管 C 連接器 1 基體 10 突緣部 10 a 突出端部 10b 端面 10c 環狀突條 10d 外面 lOe 下端 10f 内面 l〇g 下面 11 流路 12 插入部 12a 外周面 13 頂板 13a 上面 14 管狀部 15 外皮層 16 燃料停供閥 16a 筒狀體 16b 浮筒 16c 閥突起 16d 底蓋 16e 閥座 16f 透孔 16g 彈簧 2 外侧熔焊用突部 20 内侧面 21 下部 3 内侧熔焊用構件 30 上部 31 外侧面 32 下部 14

Claims (1)

  1. 200800664 十、申請專利範圍： 1·二種燃料箱用連接器，用以連接燃料箱與將燃料送入此燃料 箱内或自此燃料箱抽出燃料及自此燃料箱排出氣體等之輸送 管路； 該連接器係由： 具有足以覆蓋上述燃料箱上所開設之開口之大小之突緣部 及可連通上述輸送管路之流路之基體； 與此基體之至少上述突緣部之突出端部構成一體之外侧熔 焊用突部；及 · 形成具有足以將上述燃料箱之開口納入内側之大小之環 狀，同時上部與上述基體之突緣部之下面構成一體，且外侧 面與上述外侧熔焊用突部之内側面結合成一體之内側溶 構件所構成； 其中該外侧熔焊用突部係以可熔焊於燃料箱之外面 一合成樹脂構成； 基體，以燃料所生氣體難以透過之第二合成樹脂與上述第 了合成樹脂之合金材料，或燃料所生氣體難以透過且與上述 第一合成樹脂具良好相容性之第二合成樹脂所構成；、 >内側熔焊用構件係以上述第一合成樹脂構成。 丨·根據請求項1之燃料箱用連接器，其中該内侧熔烊用 做為肷入物以嵌入模壓成型法形成。 ’、 ^根據請求項2之燃料_連接器，其中該第二合成 1係比第一合成樹脂之熔點高。 曰熔 U艮據請求項1至3項中任—項之燃料箱用連接器， 一合成樹脂係與構成燃料箱之外面層之合成樹脂為^二 成樹脂。 之合 15
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