JP3358650B2 - Refueling nozzle - Google Patents
Refueling nozzleInfo
- Publication number
- JP3358650B2 JP3358650B2 JP29329697A JP29329697A JP3358650B2 JP 3358650 B2 JP3358650 B2 JP 3358650B2 JP 29329697 A JP29329697 A JP 29329697A JP 29329697 A JP29329697 A JP 29329697A JP 3358650 B2 JP3358650 B2 JP 3358650B2
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- refueling
- tip
- cylinder body
- anchor coil
- 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 - Fee Related
Links
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、給油口への挿入の
有無を検知することができる給油ノズルに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fueling nozzle capable of detecting the presence or absence of insertion into a fueling opening.
【０００２】[0002]
【従来の技術】給油ノズルが給油口に挿入された状態で
給油を行う必要があるため、給油ノズルが給油口に挿入
されたことを検知する手段が必要となる。このため、例
えば自動車燃料タンクの給油口に挿入されたとき、給油
口との接触で移動するレバーによりオンオフするスイッ
チを設けたものや、また給油口に挿入されたときの光量
の変化を検出する光検出器を設けたもの等が提案されて
いる。2. Description of the Related Art Since it is necessary to perform refueling with a refueling nozzle inserted into a refueling port, means for detecting that the refueling nozzle is inserted into the refueling port is required. For this reason, for example, a device provided with a switch that is turned on and off by a lever that moves in contact with the filler port when inserted into the filler port of an automobile fuel tank, or a change in the amount of light when inserted into the filler port is detected. A device provided with a photodetector has been proposed.
【０００３】しかしながら、前者のものにあってはノズ
ル挿入時の強い衝撃により破損が生じる虞があり、また
後者の場合には太陽光等の角度によっては検知が不能で
ある等、今ひとつ信頼性に欠けるという問題を抱えてい
る。[0003] However, in the former case, there is a risk of damage due to a strong impact when the nozzle is inserted, and in the latter case, detection is impossible depending on the angle of sunlight or the like. There is a problem of lack.
【０００４】このような問題を解消するため、特開平9-
58796号公報に見られるように給油ノズルに設けられた
加速度センサーと、該加速度センサーからの信号に基づ
いて給油ノズルが給油口に挿入されたことを検知する挿
入判定手段を設けたものが提案されている。To solve such a problem, Japanese Patent Laid-Open No.
As disclosed in Japanese Patent No. 58796, an apparatus provided with an acceleration sensor provided on a fueling nozzle and an insertion determining means for detecting that the fueling nozzle has been inserted into the fueling port based on a signal from the acceleration sensor has been proposed. ing.
【０００５】[0005]
【発明が解決しようとする課題】これによれば、給油口
へのノズル挿入時の衝撃による破損を招くこと無く、か
つ外光の有無にかかわりなく給油口へのノズルの挿入を
確実に検知することができるものの、衝撃センサーを必
要として給油ノズルの構造が複雑化するという不都合が
ある。本発明はこのような問題に鑑みてなされたもので
あって、構造が簡単で、耐久性が高く、さらに高い信頼
性を備えたタンクへの挿入検知機能を備えた給油ノズル
を提供することである。According to this, it is possible to reliably detect the insertion of the nozzle into the fuel filler port without incurring damage due to the impact when the nozzle is inserted into the fuel filler port and regardless of the presence or absence of external light. However, there is a disadvantage that the structure of the refueling nozzle is complicated because an impact sensor is required. The present invention has been made in view of such a problem, and by providing a refueling nozzle having a simple structure, high durability, and a function of detecting insertion into a tank with high reliability. is there.
【０００６】[0006]
【課題を解消するための手段】このような問題を解消す
るために本発明においては、給油ポンプからの送液を受
け、給油レバーにより開閉される主弁を収容する筒胴部
と、前記主弁の吐出口と連通するように一端が前記筒胴
部に固定されたノズル筒先部と、該ノズルの前記筒胴部
寄りに巻回されたアンカーコイルとからなる給油ノズル
において、少なくとも前記ノズル筒先部、及びアンカー
コイルが導電材料により構成され、前記アンカーコイル
がノズル筒先部との間で絶縁状態を維持するように巻回
され、かつ前記アンカーコイルの前記筒胴部側でリード
線に接続されて絶縁部材を介して前記筒胴部に固定され
ている。According to the present invention, there is provided a cylinder body for receiving a liquid supplied from a fuel supply pump and accommodating a main valve which is opened and closed by a fuel supply lever. In a refueling nozzle including a nozzle cylinder tip one end of which is fixed to the cylinder body so as to communicate with the discharge port of the valve, and an anchor coil wound near the cylinder body of the nozzle, at least the nozzle cylinder tip Part, and the anchor coil are made of a conductive material, and the anchor coil is wound so as to maintain an insulating state between the nozzle coil tip part.
And a lead is provided on the cylinder body side of the anchor coil.
Fixed to the cylinder body via an insulating member.
Have .
【０００７】[0007]
【作用】給油ノズルを給油口に挿入すると、アンカーコ
イルが給油口に、またノズル筒先部の注油口が供入管に
接触し、アンカーコイルとノズル筒先部が燃料タンクの
導電性により短絡される。したがって、アンカーコイル
とノズル筒先部との電気抵抗を検出することにより、給
油ノズルが給油口に挿入されたことを検出できる。When the refueling nozzle is inserted into the refueling port, the anchor coil contacts the refueling port and the lubrication port at the nozzle cylinder tip contacts the supply pipe, and the anchor coil and the nozzle cylinder tip are short-circuited due to the conductivity of the fuel tank. Therefore, by detecting the electrical resistance between the anchor coil and the nozzle cylinder tip, it is possible to detect that the refueling nozzle has been inserted into the refueling port.
【０００８】[0008]
【実施例】そこで以下に本発明の詳細を図示した実施例
に基づいて説明する。図１は、本発明の一実施例を示す
ものであって、給油ノズル１は、周知のように給油ホー
スを介して給油ポンプに接続され、給油レバー２により
開閉される主弁３を収容した筒胴部４と、後端が主弁３
の吐出口に連通されたタンクへの注油口５ａを備えたノ
ズル筒先部５と、ノズルの筒先部寄りに巻回された金属
製の脱落防止用のアンカーコイル６とから構成されてい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows an embodiment of the present invention. A fueling nozzle 1 houses a main valve 3 which is connected to a fueling pump via a fueling hose and is opened and closed by a fueling lever 2 as is well known. The cylinder body 4 and the main valve 3 at the rear end
The nozzle comprises a nozzle tip 5 provided with a lubrication port 5a to the tank which communicates with the discharge port, and a metal drop-prevention anchor coil 6 wound near the nozzle tip.
【０００９】このアンカーコイル６は、その一端６ａを
耐油性を備えた高分子材料からなる固定部７により胴部
４に固定され、筒先部５の表面に耐油性及び電気絶縁性
を備えた絶縁層８を介してノズル筒先部５との間で電気
絶縁性を確保して巻回されている。The anchor coil 6 has one end 6a fixed to the body 4 by a fixing portion 7 made of an oil-resistant polymer material, and the surface of the tube tip 5 is provided with an insulating material having oil resistance and electric insulation. It is wound around the nozzle cylinder tip portion 5 with the layer 8 interposed therebetween while ensuring electrical insulation.
【００１０】アンカーコイル６の後端は、リード線９に
接続され、図示しない電気抵抗検出手段等によりノズル
筒先部５、またはこれに接続された筒胴部４との間の電
気抵抗や導電性の検出が可能に構成されている。The rear end of the anchor coil 6 is connected to a lead wire 9, and the electrical resistance and conductivity between the nozzle cylinder tip 5 or the cylinder body 4 connected to the nozzle cylinder tip 5 by an electric resistance detecting means (not shown). Is configured to be detectable.
【００１１】この実施例において、給油ノズル１が給油
口に挿入されるまではアンカーコイル６とノズル筒先部
５とが絶縁層８により絶縁状態を維持されている。In this embodiment, until the refueling nozzle 1 is inserted into the refueling port, the insulating state of the anchor coil 6 and the nozzle tip 5 is maintained by the insulating layer 8.
【００１２】給油ノズル１を給油口に挿入すると、図２
に示したようにアンカーコイル６が給油口１０に、また
ノズル筒先部５の先端が給油管１１に接触する。When the refueling nozzle 1 is inserted into the refueling port, FIG.
As shown in (1), the anchor coil 6 comes into contact with the oil supply port 10, and the tip of the nozzle tip 5 comes into contact with the oil supply pipe 11.
【００１３】言うまでもなく、自動車燃料タンクの給油
口１０、給油管１は、静電気を除去するために金属によ
り構成されているから、アンカーコイル６とノズル筒先
部５が給油管１１を介して接触して電気的に接線され
る。したがって、アンカーコイル６とノズル筒先部５、
またはアンカーコイル６と筒胴部４との電気抵抗を電気
抵抗検出手段Ａにより検出すると、給油ノズル１が給油
口１０に挿入されたか否かを判定することができる。Needless to say, the fuel supply port 10 and the fuel supply pipe 1 of the vehicle fuel tank are made of metal for removing static electricity, so that the anchor coil 6 and the nozzle cylinder tip 5 come into contact via the fuel supply pipe 11. Electrically tangent. Therefore, the anchor coil 6 and the nozzle cylinder tip 5,
Alternatively, when the electric resistance between the anchor coil 6 and the cylinder body 4 is detected by the electric resistance detecting means A, it can be determined whether or not the refueling nozzle 1 has been inserted into the refueling port 10.
【００１４】そして、電気抵抗検出手段Ａからの信号を
受ける制御装置ＢによりポンプＣを作動させ、この状態
で給油レバー２を引き上げることにより給油することが
できる。Then, the pump C is operated by the control device B which receives a signal from the electric resistance detecting means A, and in this state, the oil can be supplied by raising the oil supply lever 2.
【００１５】なお、上述の実施例においては、アンカー
コイル６とノズル筒先部５との間に高分子材料により絶
縁層８を形成しているが、図３に示したように、アンカ
ーコイル６を、ノズル筒先部５との間に空間ΔＧを形成
するように巻回すれば、絶縁層８を介装することなく絶
縁状態を維持することができる。In the above-described embodiment, the insulating layer 8 is formed of a polymer material between the anchor coil 6 and the nozzle tip 5. As shown in FIG. If it is wound so as to form the space ΔG between the nozzle tube tip 5 and the nozzle cylinder tip 5, the insulating state can be maintained without the insulating layer 8 interposed.
【００１６】そして、この実施例によれば、給油ノズル
１の重量を利用してアンカーコイル６をノズル筒先部５
側に弾性変形させてノズル筒先部５に接触させることが
可能となるから、タンクの導電の有無に関わりなく給油
ノズル１の挿入を検出することができる。According to this embodiment, the anchor coil 6 is connected to the nozzle tip 5 by utilizing the weight of the refueling nozzle 1.
Since it becomes possible to elastically deform to the side and come into contact with the nozzle cylinder tip 5, the insertion of the refueling nozzle 1 can be detected regardless of whether or not the tank is conductive.
【００１７】[0017]
【発明の効果】以上、説明したように本発明によれば、
給油ノズルの脱落防止を図りつつ、給油ノズルに特別な
センサーの取付けを必要とすることなく、アンカーコイ
ルとノズル筒先部とが給油管に短絡されることによる電
気抵抗の変化から給油ノズルの給油口への挿入を検出す
ることができる。As described above, according to the present invention ,
While preventing the refueling nozzle from dropping off , there is no need to attach a special sensor to the refueling nozzle. Insertion into the file can be detected.
【図１】本発明の給油ノズルの一実施例を示す図であ
る。FIG. 1 is a view showing one embodiment of a refueling nozzle of the present invention.
【図２】同上給油ノズルを給油口に挿入した状態を示す
図である。FIG. 2 is a diagram showing a state in which the refueling nozzle is inserted into a refueling port.
【図３】本発明の他の実施例を示す図である。FIG. 3 is a diagram showing another embodiment of the present invention.
【符号の説明】 １ 給油ノズル ２ 給油レバー ３ 主弁 ４ 筒胴部 ５ ノズル筒先部 ６ アンカーコイル ７ 高分子材料からなる固定部 ８ 絶縁層 ９ リード線[Description of Signs] 1 Refueling nozzle 2 Refueling lever 3 Main valve 4 Cylinder body 5 Nozzle cylinder tip 6 Anchor coil 7 Fixed portion made of polymer material 8 Insulating layer 9 Lead wire
Claims (2)
ーにより開閉される主弁を収容する筒胴部と、前記主弁
の吐出口と連通するように一端が前記筒胴部に固定され
たノズル筒先部と、該ノズルの前記筒胴部寄りに巻回さ
れたアンカーコイルとからなる給油ノズルにおいて、 少なくとも前記ノズル筒先部、及びアンカーコイルが導
電材料により構成され、前記アンカーコイルがノズル筒
先部との間で絶縁状態を維持するように巻回され、かつ
前記アンカーコイルの前記筒胴部側でリード線に接続さ
れて絶縁部材を介して前記筒胴部に固定されている給油
ノズル。1. A cylinder body for receiving a liquid supply from an oil supply pump and accommodating a main valve that is opened and closed by an oil supply lever, and one end fixed to the cylinder body so as to communicate with a discharge port of the main valve. A refueling nozzle comprising a nozzle cylinder tip and an anchor coil wound near the cylinder body of the nozzle, wherein at least the nozzle cylinder tip and the anchor coil are made of a conductive material, and the anchor coil is a nozzle cylinder tip. A refueling nozzle wound so as to maintain an insulated state between the cylinder body and a lead wire connected to a lead wire on the cylinder body side of the anchor coil and fixed to the cylinder body via an insulating member.
の間に耐油性絶縁層が形成されている請求項１に記載の
給油ノズル。2. The refueling nozzle according to claim 1, wherein an oil-resistant insulating layer is formed between the nozzle tip and the anchor coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29329697A JP3358650B2 (en) | 1997-10-09 | 1997-10-09 | Refueling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29329697A JP3358650B2 (en) | 1997-10-09 | 1997-10-09 | Refueling nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11115999A JPH11115999A (en) | 1999-04-27 |
| JP3358650B2 true JP3358650B2 (en) | 2002-12-24 |
Family
ID=17793003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29329697A Expired - Fee Related JP3358650B2 (en) | 1997-10-09 | 1997-10-09 | Refueling nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3358650B2 (en) |
-
1997
- 1997-10-09 JP JP29329697A patent/JP3358650B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11115999A (en) | 1999-04-27 |
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