JPH036508Y2 - - Google Patents
Info
- Publication number
- JPH036508Y2 JPH036508Y2 JP1984004619U JP461984U JPH036508Y2 JP H036508 Y2 JPH036508 Y2 JP H036508Y2 JP 1984004619 U JP1984004619 U JP 1984004619U JP 461984 U JP461984 U JP 461984U JP H036508 Y2 JPH036508 Y2 JP H036508Y2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- supply pipe
- opening
- fuel supply
- injection chamber
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000000446 fuel Substances 0.000 claims description 78
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 19
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Closures For Containers (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、車両の燃料タンクへの燃料供給のた
めの注入口の構造に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to the structure of an inlet for supplying fuel to a fuel tank of a vehicle.
（従来技術）
従来の車両用燃料注入口の構造は、たとえば日
産自動車株式会社発行「ニツサンサービス週報、
昭和58年９月第489号（Ｚ−16）ニツサンフエア
レデイＺ Z31型系車の紹介」第−70頁および
第−27頁中に開示されているようなものが一般
的である。(Prior art) The structure of a conventional fuel filler port for vehicles is described, for example, in "Nitsun Service Weekly," published by Nissan Motor Co., Ltd.
The type disclosed in September 1989 No. 489 (Z-16) "Introduction to the Nissan Sun Fairday Z Z31 Series Vehicles", pages 70 and 27, is common.
すなわち、第１図および第２図に示すように、
自動車の車体ＡにヒンジＢによつて開閉自在に枢
着されたフユーエルリツドＣのロツクＤを、キー
あるいは車室内ののオープナー（いずれも図示
略）等によつて開き、燃料タンク（図示略）に接
続された燃料供給管Ｅの開口部に嵌着されたフイ
ラーキヤツプＦを抜き取ることによつて、はじめ
て、ガソリン等の供給が可能となるようになつて
いる。 That is, as shown in FIGS. 1 and 2,
The lock D of the fuel lid C, which is pivotally connected to the car body A by a hinge B so that it can be opened and closed, is opened using a key or an opener inside the vehicle (both not shown), and the fuel tank (not shown) is opened. Gasoline and the like can only be supplied by removing the filler cap F fitted into the opening of the connected fuel supply pipe E.
しかし、フユーエルリツドＣとフイラーキヤツ
プＦの両方をはずしたうえで、燃料を供給するよ
うにした従来の注入口の構造では、燃料供給時の
給油操作を円滑に行ない難くフイラーキヤツプＦ
を紛失したり、嵌め忘れたりするおそれがあつ
た。 However, with the conventional injection port structure in which fuel is supplied after removing both the fuel lid C and filler cap F, it is difficult to perform the refueling operation smoothly when supplying fuel.
There was a risk of losing or forgetting to put it on.
また、外したフイラーキヤツプＦを、たとえば
鎖やマグネツト等により、車体Ａにとめておく場
合には、車体Ａをガソリンで汚してしまうなどの
問題点があつた。 Further, when the removed filler cap F is fixed to the vehicle body A using, for example, a chain or a magnet, there is a problem that the vehicle body A is contaminated with gasoline.
（考案の目的）
本考案は、上述のような問題点を解決するとと
もに、閉蓋時の密封性の向上と、燃料タンク内の
負圧による悪影響を防止しうるようにした車両に
おける燃料注入口の構造を提供することを目的と
してなされたものである。(Purpose of the invention) The present invention solves the above-mentioned problems, improves the sealing performance when the lid is closed, and prevents the negative effects of negative pressure inside the fuel tank. It was created with the purpose of providing a structure for
（考案の構成）
かかる目的を達成するために、本考案において
は、基端が燃料タンクに接続され、かつ遊端がフ
ユーエルリツドにより開閉される、燃料注入室内
に開口するように接続されている燃料供給管にお
ける前記遊端開口部に、該燃料供給管の内方に向
かつて開いたり、燃料供給管の開口部を密閉した
りし得る閉塞体を設けるとともに、該閉塞体を閉
じる方向に常時付勢する付勢手段を設け、かつ前
記燃料注入室の開口端部に枢着され、該開口を開
閉するフユーエルリツドの内面に、フユーエルリ
ツドの閉止時に、燃料供給管の開口部を密閉しう
るフイラーキヤツプを一体的に設け、該フイラー
キヤツプに、閉止時に燃料供給管の開口部と燃料
注入室とを連通する通気孔と、燃料供給管の開口
部側の圧力が、燃料注入室側の圧力より低圧とな
つたときのみに、前記通気孔を開く負圧バルブ機
構とを設けたことを特徴としている。(Structure of the invention) In order to achieve the above object, the present invention provides a fuel tank whose base end is connected to a fuel tank and whose free end is opened and closed in a fuel injection chamber by a fuel lid. A closing body capable of opening toward the inside of the fuel supply pipe or sealing the opening of the fuel supply pipe is provided at the free end opening of the supply pipe, and the closing body is always attached in the closing direction. A filler cap is provided on the inner surface of the fuel lid, which is pivotally connected to the open end of the fuel injection chamber to open and close the opening, and is capable of sealing the opening of the fuel supply pipe when the fuel lid is closed. The filler cap is integrally provided with a vent hole that communicates the opening of the fuel supply pipe with the fuel injection chamber when closed, and a pressure on the opening side of the fuel supply pipe that is lower than the pressure on the fuel injection chamber side. The device is characterized by being provided with a negative pressure valve mechanism that opens the vent hole only when the air conditioner is warmed up.
（考案の効果）
本考案は、このような構成としたことにより、
次のような作用及び効果を奏することができる。(Effects of the invention) With this arrangement, the invention has the following features:
The following actions and effects can be achieved.
(a) 燃料注入室の開口を開閉するフユーエルリツ
ドの内面に、フユーエルリツドの閉止時に、燃
料供給管の開口部を密閉しうるフイラーキヤツ
プを一体的に設けたことにより、フユーエルリ
ツドを開閉するだけで、フイラーキヤツプも同
時に開閉され、従来のように、これらを別体と
してそれぞれ別個に開閉するようにしたものに
比して、開閉作業が著しく簡単になるととも
に、フイラーキヤツプを締め忘れたり、フイラ
ーキヤツプを紛失したり、又はフイラーキヤツ
プに付着したガソリンにより車体を汚す等のお
それをなくすことができる。(a) A filler cap that can seal the opening of the fuel supply pipe when the fuel lid is closed is integrally provided on the inner surface of the fuel lid that opens and closes the opening of the fuel injection chamber. The caps are also opened and closed at the same time, making opening and closing operations much easier compared to conventional systems in which these are separated and opened and closed separately, and there is no need to forget to tighten the filler cap or lose it. It is possible to eliminate the risk of the car body being contaminated by gasoline adhering to the filler cap.
(b) フユーエルリツドで閉めることにより、フイ
ラーキヤツプにより燃料供給管の開口部を密閉
することができるので、塵やほこり等が燃料供
給管内に侵入するのを確実に防止することがで
きる。(b) By closing with the fuel lid, the opening of the fuel supply pipe can be sealed by the filler cap, so it is possible to reliably prevent dirt and dust from entering the fuel supply pipe.
(c) しかも、燃料消費により、燃料タンク内及び
燃料供給管内が減圧すると、閉塞体と負圧バル
ブ機構とが自動的に開き、燃料注入室内の空気
が燃料タンク内に流入するので、燃料タンク内
の圧力が著しく負圧になることはない。(c) Moreover, when the pressure inside the fuel tank and fuel supply pipe decreases due to fuel consumption, the blocker and the negative pressure valve mechanism automatically open and the air inside the fuel injection chamber flows into the fuel tank. The internal pressure will not become significantly negative.
したがつて、燃料タンク内の圧力が負圧にな
ることによる気化器への燃料の供給不良等の問
題を未然に解決することができる。 Therefore, problems such as insufficient supply of fuel to the carburetor due to negative pressure in the fuel tank can be solved.
(d) さらに、燃料供給管の開口部に、その内方に
向かつて開閉する閉塞体を設けたことにより、
フユーエルリツド及びフイラーキヤツプを開い
ているときの燃料供給管内への塵やほこり等の
侵入を防止しうるとともに、燃料洩れを防止す
ることができ、しかも給油作業時には、給油ノ
ズルを挿入するだけで、閉塞体は押し開かれる
ので、給油作業が煩雑になることはない。(d) Furthermore, by providing a closing body at the opening of the fuel supply pipe that opens and closes inward,
It can prevent dust and dirt from entering the fuel supply pipe when the fuel lid and filler cap are open, and it can also prevent fuel leakage. Furthermore, when refueling, simply inserting the refueling nozzle can eliminate the blockage. Since the body is pushed open, refueling does not become complicated.
（実施例）
以下、本考案を適用した実施例を、添付図面に
基づいて説明する。(Example) Hereinafter, an example to which the present invention is applied will be described based on the accompanying drawings.
（第１実施例）
第３図は、本考案の第１実施例の注入口を、自
動車の車体１に形成された燃料注入室２の横断平
面において示すものである。(First Embodiment) FIG. 3 shows an injection port according to a first embodiment of the present invention in a transverse plane of a fuel injection chamber 2 formed in a vehicle body 1 of an automobile.
３は、基端が燃料タンク（図示略）に接続さ
れ、かつ遊端が燃料注入室２に開口する燃料供給
管で、この供給管３に固着されたフランジ付取付
筒４が、燃料注入室２の底面２ａに螺着されてい
る。 Reference numeral 3 denotes a fuel supply pipe whose base end is connected to a fuel tank (not shown) and whose free end opens into the fuel injection chamber 2. A flanged mounting tube 4 fixed to this supply pipe 3 connects to the fuel injection chamber. It is screwed onto the bottom surface 2a of 2.
車体１の燃料注入室２の開口端面に、蝶番５に
よつて開閉自在に枢着されたフユーエルリツド６
は、ロツク機構７ａ，７ｂによつて閉扉状態で拘
束されるようになつており、かつフユーエルリツ
ド６の内側面には、閉扉時に供給管６を外側から
塞ぐように、フイラーキヤツプ８が固着されてい
る。 A fuel lid 6 is pivotally connected to the opening end surface of the fuel injection chamber 2 of the vehicle body 1 by a hinge 5 so as to be openable and closable.
is configured to be restrained in the closed state by lock mechanisms 7a and 7b, and a filler cap 8 is fixed to the inner surface of the fuel lid 6 so as to close the supply pipe 6 from the outside when the door is closed. There is.
フイラーキヤツプ８には、フイラーキヤツプ８
の閉止時に燃料供給管３の開口部と燃料注入室２
とを連通する通気孔８ａと、燃料供給管３の開口
側の圧力が、燃料注入室２側の圧力より低圧とな
つてときのみに、前記通気孔８ａを開く負圧バル
ブ機構８ｂと、クツシヨンラバー８ｃとが設けら
れている。 Filler cap 8 has filler cap 8.
When the opening of the fuel supply pipe 3 and the fuel injection chamber 2 are closed,
a negative pressure valve mechanism 8b that opens the vent hole 8a only when the pressure on the opening side of the fuel supply pipe 3 is lower than the pressure on the fuel injection chamber 2 side; A rubber band 8c is provided.
９は、上記燃料供給管３の遊端開口部にあつ
て、該燃料供給管３の内方に向かつて開いたり、
燃料供給管３の開口部を密閉したりし得る閉塞体
である。 9 is a free end opening of the fuel supply pipe 3, which opens toward the inside of the fuel supply pipe 3;
This is a closing body that can seal the opening of the fuel supply pipe 3.
この閉塞体９は、燃料供給管３の内径に対し
て、およそ√２分の１の径をもつ円板形状であつ
て、供給管３の開口部近傍内壁に突設された軸承
片３ａに、軸１０をもつて開閉可能に枢着されて
いる。 The blocker 9 has a disc shape with a diameter that is approximately 1/2 of the inner diameter of the fuel supply pipe 3, and is attached to a shaft bearing piece 3a protruding from the inner wall near the opening of the supply pipe 3. , are pivotally connected with a shaft 10 so as to be openable and closable.
供給管３の開口端面には、環状パツキン１１ａ
を介して口金１１が冠着され、この口金１１の中
央に、閉塞体９よりやや小径の通孔１２が形成さ
れて、この通孔１２から給油ノズル１３を挿入す
ると、閉塞体９が、供給管３の内方に向かつて開
くようになつている。 An annular packing 11a is provided on the open end surface of the supply pipe 3.
A cap 11 is attached to the cap through the cap, and a through hole 12 having a diameter slightly smaller than that of the closure body 9 is formed in the center of the cap 11. When the oil supply nozzle 13 is inserted through the through hole 12, the closure body 9 The tube 3 is designed to open toward the inside.
上記通孔１２は、フユーエルリツド６を閉扉す
ると、第５図に示すように、フユーエルリツド６
に固着されたフイラーキヤツプ８によつて、燃料
注入室２側から密閉されるとともに、閉塞体９が
軸１０に巻回されたスプリング１４によつて、口
金１１の環状パツキン１１ａに圧接され、通孔１
２は、供給管３の内方から密閉される。 When the fuel lid 6 is closed, the through hole 12 opens the fuel lid 6 as shown in FIG.
The filler cap 8 fixed to the filler cap 8 seals the fuel injection chamber 2 side, and the closing body 9 is pressed against the annular packing 11a of the mouthpiece 11 by a spring 14 wound around the shaft 10 to prevent passage. Hole 1
2 is sealed from the inside of the supply pipe 3.
このように構成されてなる車輌用燃料注入口に
あつては、フユーエルリツド６の閉扉時には、閉
塞体９とフイラーキヤツプ８が、供給管３を逆流
してくる燃料が外部に漏洩しないように作用して
おり、またフユーエルリツド６を開扉すれば、給
油ノズル１３を通孔１２に挿入でき、該ノズル１
３先端が閉塞体９と当接し、それを押し開くこと
によつて、給油操作をただちに開始できる。 In the vehicle fuel inlet configured as described above, when the fuel lid 6 is closed, the closing body 9 and the filler cap 8 act to prevent the fuel flowing back through the supply pipe 3 from leaking to the outside. Moreover, by opening the fuel lid 6, the refueling nozzle 13 can be inserted into the through hole 12, and the nozzle 1 can be inserted into the through hole 12.
3 tips come into contact with the closing body 9 and pushing it open allows the refueling operation to be started immediately.
給油終了時も、給油ノズル１３を引き抜くと、
閉塞体９は、スプリング１４の付勢力で、ただち
に通孔１２を塞ぎ、フユーエルリツド６を閉扉す
るだけでよい。 Even when refueling is finished, if you pull out the refueling nozzle 13,
The closing body 9 only needs to immediately close the through hole 12 and close the fuel lid 6 by the biasing force of the spring 14.
（第２実施例）
第１実施例においては、燃料注入室２内に開口
する燃料供給管３の縦断面が円形をなしていた
が、第６図に示す第２実施例では、供給管３′の
開口部ならびに閉塞体１５を馬蹄形状とし、それ
らを、側面の直線部分において、軸１０をもつて
互いに枢着し、閉塞体１５′が開閉しうるように
してある。(Second Embodiment) In the first embodiment, the longitudinal section of the fuel supply pipe 3 opening into the fuel injection chamber 2 was circular, but in the second embodiment shown in FIG. The opening of ' and the closing body 15 are horseshoe-shaped and are pivotally connected to each other with a shaft 10 at the straight side portion, so that the closing body 15' can be opened and closed.
このように構成すれば、給油ノズル（図示せ
ず）を挿入したときに開扉される閉塞体１５は、
供給管３′の内側平面壁と密接状態に至るまで、
内方に向つて開くことができるから、通孔１２及
び閉塞体１５の大きさを十分大きくすることがで
き、一段と給油操作の円滑さが高められる。 With this configuration, the closing body 15 that is opened when a refueling nozzle (not shown) is inserted can
Until it comes into close contact with the inner plane wall of the supply pipe 3',
Since it can be opened inward, the sizes of the through hole 12 and the closing body 15 can be made sufficiently large, and the smoothness of the refueling operation is further improved.
なお、第１実施例と対応する部材については、
同一符号を付している。 In addition, regarding the members corresponding to the first embodiment,
The same symbols are given.
（第３実施例）
第７図は、通孔１２を内側から閉塞するととも
に、通孔１２内に突入する突起面１６ａをもつ
て、給油ノズル１３と専ら当接せしめるようにし
た閉塞体１６を示している。(Third Embodiment) FIG. 7 shows a blocker 16 that closes the through hole 12 from the inside and has a protruding surface 16a that protrudes into the through hole 12 so as to come into contact exclusively with the refueling nozzle 13. It shows.
この突起面１６ａをもつ閉塞体１６は、通孔１
２を閉塞するときに、口金１１の環状パツキン１
１ａに圧着する周縁部シール面１６ｂが、給油ノ
ズル１３の挿入時に擦れて損傷するおそれがな
く、長時間にわたつて、確実に燃料漏れを防止で
きる。 The closure body 16 having this protruding surface 16a is connected to the through hole 1.
2, when closing the annular gasket 1 of the cap 11.
There is no risk that the peripheral sealing surface 16b that is pressed against the fuel nozzle 1a will be damaged by rubbing when the fuel nozzle 13 is inserted, and fuel leakage can be reliably prevented for a long period of time.
第１図は、従来の注入口を示す自動車車体の外
観図、第２図は、第１図の−線に沿つて示す
縦断平面図、第３図は、本考案の第１実施例を示
す縦断平面図、第４図は、第３図の−線に沿
つて示す縦断面図、第５図は、フユーエルリツド
を閉じた状態を示す縦断平面図、第６図は、本考
案の第２実施例を示す縦断面図、第７図は、本考
案の第３実施例を示す縦断平面図である。
１……車体、２……燃料注入室、３……燃料供
給管、４……フランジ付取付筒、５……蝶番、６
……フユーエルリツド、７ａ，７ｂ……ロツク機
構、８……フイラーキヤツプ、９……閉塞体、１
０……軸、１１……口金、１２……通孔、１３…
…給油ノズル、１４……スプリング。
Fig. 1 is an external view of an automobile body showing a conventional injection port, Fig. 2 is a longitudinal sectional plan view taken along the - line in Fig. 1, and Fig. 3 shows a first embodiment of the present invention. FIG. 4 is a longitudinal sectional view taken along the - line in FIG. 3, FIG. 5 is a longitudinal sectional plan view showing the fuel lid in a closed state, and FIG. 6 is a longitudinal sectional view showing a second embodiment of the present invention. FIG. 7 is a longitudinal sectional view showing an example, and FIG. 7 is a longitudinal sectional plan view showing a third embodiment of the present invention. 1... Vehicle body, 2... Fuel injection chamber, 3... Fuel supply pipe, 4... Mounting tube with flange, 5... Hinge, 6
... Fuel lid, 7a, 7b ... Lock mechanism, 8 ... Filler cap, 9 ... Closure body, 1
0...shaft, 11...cap, 12...through hole, 13...
...Refueling nozzle, 14...Spring.
Claims (1)
ユーエルリツドにより開閉される燃料注入室内に
開口するように接続されている燃料供給管におけ
る前記遊端開口部に、該燃料供給管の内方に向か
つて開いたり、燃料供給管の開口部を密閉したり
し得る閉塞体を設けるとともに、該閉塞体を閉じ
る方向に常時付勢する付勢手段を設け、かつ前記
燃料注入室の開口端部に枢着され、該開口を開閉
するフユーエルリツドの内面に、フユーエルリツ
ドの閉止時に、燃料供給管の開口部を密閉しうる
フイラーキヤツプを一体的に設け、該フイラーキ
ヤツプに、閉止時に燃料供給管の開口部と燃料注
入室とを連通する通気孔と、燃料供給管の開口部
側の圧力が、燃料注入室側の圧力より低圧となつ
たときのみに、前記通気孔を開く負圧バルブ機構
とを設けたことを特徴とする車両における燃料注
入口の構造。 At the free end opening of a fuel supply pipe whose base end is connected to a fuel tank and whose free end is connected to open into a fuel injection chamber that is opened and closed by a fuel lid, inwardly of the fuel supply pipe. A closing body capable of opening toward the opposite end and sealing the opening of the fuel supply pipe is provided, and a biasing means is provided for constantly biasing the closing body in the closing direction, and at the open end of the fuel injection chamber. A filler cap capable of sealing the opening of the fuel supply pipe when the fuel lid is closed is integrally provided on the inner surface of the fuel lid which is pivotally mounted and opens and closes the opening. and a negative pressure valve mechanism that opens the vent hole only when the pressure on the opening side of the fuel supply pipe becomes lower than the pressure on the fuel injection chamber side. A structure of a fuel injection port in a vehicle characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP461984U JPS60117226U (en) | 1984-01-19 | 1984-01-19 | Structure of fuel inlet in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP461984U JPS60117226U (en) | 1984-01-19 | 1984-01-19 | Structure of fuel inlet in vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60117226U JPS60117226U (en) | 1985-08-08 |
| JPH036508Y2 true JPH036508Y2 (en) | 1991-02-19 |
Family
ID=30480364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP461984U Granted JPS60117226U (en) | 1984-01-19 | 1984-01-19 | Structure of fuel inlet in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60117226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012049956A1 (en) * | 2010-10-14 | 2012-04-19 | 本田技研工業株式会社 | Structure for fuel filler tube opening |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5744546A (en) * | 1980-08-29 | 1982-03-13 | Aisin Seiki Co Ltd | Mole for automobile |
-
1984
- 1984-01-19 JP JP461984U patent/JPS60117226U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5744546A (en) * | 1980-08-29 | 1982-03-13 | Aisin Seiki Co Ltd | Mole for automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012049956A1 (en) * | 2010-10-14 | 2012-04-19 | 本田技研工業株式会社 | Structure for fuel filler tube opening |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60117226U (en) | 1985-08-08 |
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