JP3387334B2 - Fuel filler opening structure of the automobile - Google Patents

Fuel filler opening structure of the automobile

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Publication number
JP3387334B2
JP3387334B2 JP28098496A JP28098496A JP3387334B2 JP 3387334 B2 JP3387334 B2 JP 3387334B2 JP 28098496 A JP28098496 A JP 28098496A JP 28098496 A JP28098496 A JP 28098496A JP 3387334 B2 JP3387334 B2 JP 3387334B2
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Prior art keywords
portion
nozzle
tube
neck
fuel
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Expired - Fee Related
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JP28098496A
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Japanese (ja)
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JPH10119595A (en )
Inventor
敬 折田
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日産自動車株式会社
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Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は自動車の燃料給油口構造に関する。 BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention relates to a fuel filler opening structure of the automobile. 【0002】 【従来の技術】図3は従来の自動車の燃料給油構造を示すもので、1はフィラーチューブで、ネック部2の開口端を車体外板3の開口部4の周縁に接合したベッセル5 [0002] Figure 3 shows the refueling structure of a conventional motor vehicle, vessel 1 joined with filler tube, the open end of the neck portion 2 to the periphery of the opening 4 of the vehicle body outer panel 3 5
内に突出配置し、該ベッセル5の貫通部分で接合してある。 Projecting disposed within, they are joined at the through portion of the vessel 5. 【0003】ネック部2の開口端内周にはねじ部6を形成して、図外のフィラーキャップを螺装固定するようにしてある。 [0003] The inner periphery of the open end of the neck portion 2 to form a threaded portion 6, are the filler cap, not shown so as to screwed fixing. 【0004】給油ノズル7は無鉛ガソリン用と有鉛ガソリンとで径を異ならせてあり、無鉛ガソリン仕様の車両にあってはネック部2の中間部分に、小径の無鉛ガソリン用ノズルの挿入は許容し、大径の有鉛ガソリン用ノズルは挿入できないように径を設定したノズル挿入規制孔9を有するシャッタープレート8を接合配置してある。 [0004] filling nozzle 7 Yes at different diameters in the unleaded gasoline and leaded gasoline, an intermediate portion of the In the vehicle neck 2 of unleaded gasoline specifications, the insertion of the nozzle diameter unleaded gasoline acceptable and, it is joined disposed the shutter plate 8 having a nozzle insertion restricting holes 9 leaded petrol nozzles having a larger diameter was set diameter so that it can not be inserted. 【0005】給油ノズル7はその基部外周にスパイラル線10を配設してあって、燃料給油時にはネック部2内に給油ノズル7を挿入して、該スパイラル線10をネック部2の開口端内周のねじ部6に係合することによって、該ネック部2の開口端縁に、即ち、燃料供給口縁に保持できるようにしてある。 [0005] fueling nozzle 7 is each other by disposing the spiral wire 10 at its base periphery, at the time of refueling by inserting the fueling nozzle 7 in the neck portion 2, the spiral wire 10 within the open end of the neck portion 2 by engaging the threaded portion 6 of the peripheral, the opening end edge of the neck portion 2, i.e., are also available held in the fuel supply port edge. 【0006】 【発明が解決しようとする課題】フィラーチューブ1はそのネック部2の燃料供給口に給油ノズル7を挿入し易いようにある程度大径にする必要があるが、燃料給油時に該燃料給油口からの蒸発燃料の外部流出による大気汚染を回避するためには、フィラーチューブ1はその内周と給油により流通する燃料の液柱との間の隙間が生じないように極力小径にする必要があり、このため、図3に示すようにフィラーチューブ1のネック部2は大径にして、給油ノズル7の挿入性を確保し、かつチューブ一般部1aを仮想線で示すようにその内部を流通する燃料の液柱との間に隙間が生じないような小径にすることが望まれる。 [0006] filler tube 1 INVENTION SUMMARY is] should be somewhat larger diameter so as to facilitate inserting the fueling nozzle 7 to the fuel supply port of the neck portion 2, but fuel oil during refueling in order to avoid air pollution by external outflow of vaporized fuel from the mouth, the filler tube 1 needs to be as much as possible the small diameter so that a gap does not occur between the fuel of the liquid column to be distributed by fueling an inner periphery thereof There, Therefore, the neck portion 2 of the filler tube 1 as shown in FIG. 3 in the large diameter to ensure insertion of the filling nozzle 7, and circulating inside to show tube general portion 1a in phantom it is desirable to small diameter such as not to cause a gap between the fuel of the liquid column to be. 【0007】ところが、チューブ一般部1aを小径にした場合、給油ノズル7をシャッタープレート8のノズル挿入規制孔9に挿入した時に、該給油ノズル7の先端がチューブ一般部1aの内周面に干渉すると、この給油ノズル7のチューブ一般部1aの内周面との接点と、ノズル挿入規制孔9縁との接点とで給油ノズル7の上下方向の首振り動が規制されて、給油ノズル7の基部外周のスパイラル線10を燃料給油口縁のねじ部6に係合できなくなって、給油ノズル7の保持性が損なわれてしまう。 [0007] However, when the tube generally portion 1a to the small diameter, interference upon insertion of the filling nozzle 7 in the nozzle insertion restricting hole 9 of the shutter plate 8, the leading end of the oil supply nozzle 7 on the inner peripheral surface of the tube main portion 1a Then, the contact point between the inner peripheral surface of the tube main portion 1a of the fuel supply nozzle 7, and the vertical direction of the swing motion of the filling nozzle 7 in the contact point with the nozzle insertion restricting hole 9 edges is restricted, the fuel supply nozzle 7 the spiral line 10 of the base portion outer periphery of the can no longer engage the threaded portion 6 of the fuel filler opening edge, retention of fuel supply nozzle 7 is impaired. 【0008】そこで、この給油ノズル7の保持性を確保するためには、図3に示すようにチューブ一般部1aのネック部2と連設する部分に、同図実線で示すようにチューブ一般部径よりも幾分径の大きな拡径部1bを形成して、給油ノズル7の上下方向の首振り動を許容し得るようにする必要があり、この結果、拡径部1bとチューブ一般部1aとの連設部分の段差部分で、給油ノズル7 [0008] Therefore, in order to ensure the retention of the fuel supply nozzle 7, the neck portion 2 and the continuously provided portion of the tube main portion 1a as shown in FIG. 3, the tube main portion as shown in FIG solid somewhat to form a large diameter portion 1b of the diameter than the diameter must be adapted to permit the vertical swing movement of the filling nozzle 7, as a result, enlarged diameter portion 1b and the tube main portion 1a in the joint portion of the stepped portion of the oil supply nozzle 7
から流出する燃料の流通抵抗が大きくなって給油性が損なわれる不具合を生じる。 Resulting a problem that refueling of flow resistance is increased in the fuel flowing is impaired from. 【0009】そこで、本発明は燃料の給油性を損なうことなくフィラーチューブの小径化を可能として、燃料給油時の大気汚染防止対策を図ることができる自動車の燃料給油口構造を提供するものである。 [0009] Therefore, the present invention is as permits diameter of the filler tube without impairing the lubrication of the fuel, there is provided a fuel filler opening structure for an automobile capable of achieving air pollution prevention measures during refueling . 【0010】 【課題を解決するための手段】請求項1にあっては、フィラーチューブのネック部の開口部内周にフィラーキャップを螺装するねじ部を形成し、該ネック部の中間部分に前記開口端より挿入されてねじ部に係合保持される給油ノズルの挿入を規制するノズル挿入規制孔を形成したシャッタープレートを配設すると共に、該ネック部に続くチューブ一般部をネック部よりも小径に形成した構造であって、かつ、前記シャッタプレートのノズル挿入規制孔を、挿入された給油ノズルの上下方向の首振り動を許容し得る縦長孔に形成し、前記チューブ一般部の中心 [0010] In the Claim 1 SUMMARY OF THE INVENTION The filler cap is formed a screw portion for screwed into the inner periphery of the opening of the neck of the filler tube, the an intermediate portion of the neck portion It is inserted from the open end with disposing the shutter plates form a nozzle insertion regulating hole for regulating an insertion of the fuel supply nozzle is engaged with and held to the screw portion, a smaller diameter than the neck portion tube general portion continuing to the neck portion a formed structure in and the nozzle insertion restricting holes of the shutter plate, formed vertically elongated hole acceptable swiveling movement of the inserted fuel filler nozzle, the center of the tube main portion
線をネック部の中心線よりもオフセットさせて、これら And line is offset from the center line of the neck portion, these
ネック部とチューブ一般部との連設部分のテーパ部の上 On the tapered portion of the joint portion between the neck portion and the tube main portion
側の傾斜を大きくしたことを特徴としている。 It is characterized by having an increased inclination of the side. 【0011】請求項2にあっては、請求項1に記載のねじ部とシャッタプレートとを、フィラーチューブのネック部内に嵌合固着されるインナーチューブに設けたことを特徴としている。 [0011] In the second aspect is characterized in that the threaded portion and the shutter plate according to claim 1, provided in the inner tube which is fixedly fitted into the neck of the filler tube. 【0012】 【発明の効果】請求項1によれば、フィラーチューブのチューブ一般部をネック部よりも小径に形成してあるため、該チューブ一般部の内周と給油により流通する燃料の液柱との間に隙間が生じにくく、燃料給油口からの蒸発燃料の外部流出防止を図ることができることは勿論、 [0012] [Effect of the Invention] According to claim 1, since you have a smaller diameter than the neck portion of the tube main portion of the filler tube, the liquid column of fuel flowing through the fuel supply and the inner periphery of the tube main portion of course it is able to achieve outflow prevention of evaporative fuel from hardly a gap, the fuel filler opening between,
前記ネック部内に配設したシャッタープレートのノズル挿入規制孔を、挿入された給油ノズルの上下方向の首振り動を許容し得る縦長孔に形成してあるから、挿入された給油ノズルがチューブ一般部の内周面とシャッタープレートのノズル規制孔とで拘束されることなく自由に上下方向に首振り動でき、従って、チューブ一般部のネック部と連設する部分に給油ノズルの上下方向の首振り許容のための拡径部を形成することなく給油ノズルをネック部の開口端内周のねじ部に確実に係合保持させることができ、以て、給油ノズルの保持性確保と給油性向上の両立を図ることができる。 The nozzle insertion restricting holes of the shutter plates disposed within said neck portion, since is formed on the elongated hole can tolerate inserted vertical swing movement of the fueling nozzle, inserted fueling nozzle tube general portion inner and freely without being restricted by the circumferential surface and the shutter plate of the nozzle restriction hole can swing motion in the vertical direction, therefore, the vertical swing of the fueling nozzle neck and continuously provided portion of the tube main portion of the acceptable can be reliably engaged with and held to the screw portion of the inner periphery of the open end of the neck portion of the fuel filler nozzle without forming the enlarged diameter portion for, than Te, the lubrication improving the retention securing fueling nozzle it is possible to achieve both. 【0013】請求項2によれば、請求項1の効果に加えて、ねじ部とシャッタープレートとを、フィラーチューブのネック部内に嵌合固着されるインナチューブに設けてあるため、これらねじ部とシャッタープレートを容易に設けることができる。 According to claim 2, since in addition to the effect of claim 1, and a threaded portion and a shutter plate, is provided on the inner tube that is fixedly fitted within the neck of the filler tube, and these threaded portion shutter plate can be easily provided. 【0014】 【発明の実施の形態】以下、本発明の一実施形態を図面と共に前記従来の構成と同一部分に同一符号を付して詳述する。 DETAILED DESCRIPTION OF THE INVENTION Hereinafter, will be described in detail with the same reference numerals are applied to the conventional configuration, the same parts of an embodiment in conjunction with the accompanying drawings of the present invention. 【0015】図1,2において、11はフィラーチューブで、そのネック部12は給油ノズル7を挿入し易いように大径に形成して、該ネック部2の開口端、即ち、燃料給油口端を車体外板3の開口部4の周縁に接合したベッセル5内に突出配置して、該ベッセル5の貫通部分で接合してある。 [0015] In FIGS. 1 and 2, 11 in filler tube, the neck portion 12 and a larger diameter so as to be easily inserted refueling nozzle 7, the open end of the neck portion 2, i.e., the fuel filler opening end the protruding disposed within the vessel 5 that is joined to the periphery of the opening 4 of the vehicle body outer panel 3, they are joined at the through portion of the vessel 5. 【0016】また、このフィラーチューブ11のネック部12に続くチューブ一般部11aは、燃料給油口に挿入した給油ノズル7から給油されて内部を流通する燃料の液柱との間に隙間が生じないような径で、前記ネック部12よりも小径に形成してある。 Further, the tube main portion 11a that follows the neck portion 12 of the filler tube 11, the gap between the oil is supplied from the fuel supply nozzle 7 inserted into the fuel filler opening and the liquid column in the fuel flowing inside does not occur in diameter as, and is formed smaller in diameter than the neck portion 12. 【0017】ネック部12とチューブ一般部11aとの連設部分は、ノズル7の挿入時にその先端が引掛からないようにテーパ状に形成されるが、給油ノズル7の挿入性を考慮してチューブ一般部11aの中心線をネック部12の中心線よりも下側にオフセットさせて、テーパ部の上側の傾斜が大きくなるようにしてある。 The neck portion 12 and the joint portion between the tube main portion 11a is the leading end during insertion of the nozzle 7 is tapered so as not from hooking, in consideration of insertability of the fuel supply nozzle 7 Tube the center line of the general portion 11a is offset to the lower side of the center line of the neck portion 12, are as upper slope of the tapered portion is increased. 【0018】ネック部12の開口端内周には図外のフィラーキャップを螺装固定するためのねじ部13が設けられると共に、ネック部12の中間部分には特定の給油ノズル7のみを挿入できるように径が設定されたノズル挿入規制孔15を有するシャッタープレート14が設けられるが、この実施形態にあっては、これらねじ部13とシャッタープレート14とを、ネック部12内に嵌合して接合固定されるインナチューブ16に設けてある。 [0018] with a screw portion 13 for screwed fixing a filler cap, not shown on the inner periphery of the open end of the neck portion 12 is provided, can be inserted only certain filling nozzle 7 in the intermediate portion of the neck portion 12 Although diameter of the shutter plate 14 having a nozzle insertion restricting holes 15 which are set are provided so as, in this embodiment, the these threaded portion 13 and the shutter plate 14, fitted to the neck portion 12 is provided on the inner tube 16 is joined and fixed. 【0019】そして、前記シャッタプレート14のノズル挿入規制孔15は、該ノズル挿入規制孔15に挿入された給油ノズル7の上下方向の首振りを許容し得るように縦長孔として、つまり、短径を前述のように特定の給油ノズル7のみが挿入し得る所定の径にして縦長に形成してある。 [0019] Then, the nozzle insertion restricting holes 15 of the shutter plate 14, as longitudinal hole so as to allow vertical swing of the fuel supply nozzle 7 inserted into the nozzle insertion restricting holes 15, i.e., the minor axis the are formed vertically long in the predetermined diameter only certain filling nozzle 7 can be inserted as described above. 【0020】以上の実施形態の構造によれば、フィラーチューブ11のネック部12に続くチューブ一般部11 According to the structure of the above embodiment, the tube main portion 11 following the neck portion 12 of the filler tube 11
aは、給油ノズル7から給油されて内部を流通する燃料の液柱との間に隙間が生じないようにネック部12よりも小径に形成してあるから、該チューブ一般部11aの内周面と、流通する燃料液柱との間に隙間が生じにくく、この隙間を通して蒸発燃料が抜けて燃料給油口から外部へ流出するのを回避できて、燃料給油時における蒸発燃料の外部流出による大気汚染の防止を図ることができる。 a is from than the neck portion 12 so that no gap is formed smaller in diameter between the liquid column in the fuel flowing inside is oil from the oil supply nozzle 7, the inner peripheral surface of the tube main portion 11a If, hardly a gap is generated between the fuel liquid column flowing, it can be prevented from flowing out from the fuel filler opening missing fuel vapor through the gap to the outside, air pollution due to outflow of fuel vapor during refueling it is possible to achieve the prevention of. 【0021】また、燃料給油時に給油ノズル7をネック部12端の燃料給油口に挿入すると共に、該ネック部1 Further, while inserting the filling nozzle 7 to the fuel filler opening of the neck portion 12 ends at the time of refueling, the neck portion 1
2内の中間部に配設したシャッタプレート14のノズル挿入規制孔15に挿入した際にはこのノズル挿入規制孔15を縦長孔として形成してあって給油ノズル7の上下方向の首振り動を自由に行えるようにしてあるから、給油ノズル7を上下方向に首振りさせて、その基部外周に設けたスパイラル線10をネック部12の開口端内周のねじ部13に確実に係合させて保持させることができる。 The in when inserting into the nozzle insertion restricting hole 15 of the shutter plate 14 which is disposed in the intermediate portion of the 2 vertical swing movement of the filling nozzle 7 each other to form the nozzle insertion restricting hole 15 as longitudinal holes because are to allow free and the fueling nozzle 7 vertically by swinging, securely engage the spiral wire 10 provided at its base periphery to the screw portion 13 of the inner periphery of the open end of the neck portion 12 it can be held. 【0022】従って、チューブ一般部11aのネック部12と連設する部分に、給油ノズル7の上下方向の首振り動許容のための拡径部を形成することなく該給油ノズル7を燃料給油口縁に確実に係合保持させることができて、該チューブ一般部11aに径大変化部による給油抵抗となる段差が生じないため、給油ノズル7の保持性の確保と給油性の向上の両立を図ることができる。 [0022] Thus, the neck portion 12 and continuously provided portion of the tube main portion 11a, the fuel filler opening of the oil supply nozzle 7 without forming the enlarged diameter portion for vertical swinging movement allowed for the fueling nozzle 7 and it is possible to securely engage and hold the edge, since the level difference becomes a refueling resistance by large diameter change section to the tube main portion 11a does not occur, the compatibility of improvement in lubrication properties and ensure the retention of the filling nozzle 7 it is possible to achieve. 【0023】また、本実施形態にあっては、ネック部1 Further, in the present embodiment, the neck portion 1
2内に嵌合固着されるインナチューブ16に前述のねじ部13とシャッタープレート14とを設けてあるため、 Because the inner tube 16 that is fixedly fitted within 2 is provided with a threaded portion 13 and the shutter plate 14 described above,
これらねじ部13とシャッタプレート14とをネック部12に容易に配設することができる。 And these threaded portion 13 and the shutter plate 14 can be easily arranged in the neck portion 12.

【図面の簡単な説明】 【図1】本発明の一実施形態を示す断面図。 Cross-sectional view showing an embodiment of the BRIEF DESCRIPTION OF THE DRAWINGS [Figure 1] present invention. 【図2】図1のA−A線矢視図。 [Figure 2] A-A sectional view taken along line of FIG. 1. 【図3】従来の構造を示す断面図。 Cross-sectional view showing the Figure 3 prior art structure. 【符号の説明】 7 給油ノズル11 フィラーチューブ11a チューブ一般部12 ネック部13 ねじ部14 シャッタプレート15 ノズル挿入規制孔16インナチューブ [EXPLANATION OF SYMBOLS] 7 fueling nozzle 11 filler tube 11a tube general portion 12 a neck portion 13 threaded portion 14 shutter plate 15 nozzle insertion restricting hole 16 inner tube

Claims (1)

  1. (57)【特許請求の範囲】 【請求項1】 フィラーチューブのネック部の開口端内周にフィラーキャップを螺装するねじ部を形成し、該ネック部の中間部分に前記開口端より挿入されてねじ部に係合保持される給油ノズルの挿入を規制するノズル挿入規制孔を形成したシャッタプレートを配設すると共に、 (57) Patent Claims 1. A filler cap is formed a screw portion for screwed into the inner periphery of the open end of the neck of the filler tube is inserted from the open end to an intermediate portion of the neck portion with disposing the shutter plates form a nozzle insertion regulating hole for regulating an insertion of the fuel supply nozzle is engaged with and held to the screw portion Te,
    該ネック部に続くチューブ一般部をネック部よりも小径に形成した構造であって、かつ、前記シャッタプレートのノズル挿入規制孔を、挿入された給油ノズルの上下方向の首振り動を許容し得る縦長孔に形成し、前記チュー A structure was formed to have a smaller diameter than the neck portion of the tube main portion following the said neck portion, and the nozzle insertion restricting holes of the shutter plate may allow the inserted vertical swing movement of the filling nozzle forming a vertically elongated hole, said Chu
    ブ一般部の中心線をネック部の中心線よりもオフセット Offset of the center line of the neck portion of the center line of the probe main portion
    させて、これらネック部とチューブ一般部との連設部分 By, the joint portion of these neck and the tube main portion
    のテーパ部の上側の傾斜を大きくしたことを特徴とする自動車の燃料給油口構造。 Fuel filler opening structure for an automobile, characterized in that increasing the upper slope of the tapered portion of the. 【請求項2】 ねじ部とシャッタプレートとを、フィラーチューブのネック部内に嵌合固着されるインナーチューブに設けたことを特徴とする請求項1記載の自動車の燃料給油口構造。 Wherein the threaded portion and the shutter plate, according to claim 1 fuel filler opening structure for an automobile according to, characterized in that provided in the inner tube which is fixedly fitted into the neck of the filler tube.
JP28098496A 1996-10-23 1996-10-23 Fuel filler opening structure of the automobile Expired - Fee Related JP3387334B2 (en)

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JP28098496A JP3387334B2 (en) 1996-10-23 1996-10-23 Fuel filler opening structure of the automobile

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JP28098496A JP3387334B2 (en) 1996-10-23 1996-10-23 Fuel filler opening structure of the automobile

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JPH10119595A true JPH10119595A (en) 1998-05-12
JP3387334B2 true JP3387334B2 (en) 2003-03-17

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US7059365B2 (en) 1999-12-03 2006-06-13 Shelby Enterprises, Inc. Fuel tank filler neck and method of manufacturing same
US6588459B2 (en) 1999-12-03 2003-07-08 Shelby Enterprises, Inc. Fuel tank filler neck and method of manufacturing same
US7048019B2 (en) 2003-09-30 2006-05-23 Shelby Enterprises, Inc. Fuel filler tube assembly and manufacturing method

Also Published As

Publication number Publication date Type
JPH10119595A (en) 1998-05-12 application

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