JP2534573B2 - Fuel cap - Google Patents
Fuel capInfo
- Publication number
- JP2534573B2 JP2534573B2 JP9905890A JP9905890A JP2534573B2 JP 2534573 B2 JP2534573 B2 JP 2534573B2 JP 9905890 A JP9905890 A JP 9905890A JP 9905890 A JP9905890 A JP 9905890A JP 2534573 B2 JP2534573 B2 JP 2534573B2
- Authority
- JP
- Japan
- Prior art keywords
- undercut
- lid
- fuel cap
- hole
- connecting member
- 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
- 239000000446 fuel Substances 0.000 title claims description 23
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
【発明の詳細な説明】 〈産業上の利用分野〉 この発明はフユーエルキヤツプ詳しくは、自動車など
の燃料タンクに連通したフイラーパイプの先端に取り付
けられるフユーエルキヤツプに関する。Description: TECHNICAL FIELD The present invention relates to a fuel cap, and more particularly to a fuel cap attached to the tip of a filler pipe communicating with a fuel tank of an automobile or the like.
〈従来の技術〉 従来から、ガソリンスタンドなどでのフユーエルキヤ
ツプの付け忘れ、置き忘れを防止するようつなぎ部材を
付加したフユーエルキヤツプが知られている（例えば特
開昭57−77226号公報参照）。<Prior Art> Conventionally, a fuel cap has been known in which a connecting member is added to prevent misplacement or misplacement of a fuel cap at a gas station or the like (see, for example, JP-A-57-77226). .
また、上記目的を達成する他のフユーエルキヤツプと
して、第６図に示すように、蓋体100の上面100a中央部
に貫通孔101を形成し、この貫通孔101に、つなぎ部材10
2の一端に形成された結合部103を回転可能に胴部104に
環装させたクリツプ105を嵌込んだフユーエルキヤツプ
が考えられる。As another fuel cap that achieves the above object, as shown in FIG. 6, a through hole 101 is formed in the center of the upper surface 100a of the lid 100, and the connecting member 10 is connected to the through hole 101.
A fuel cap in which a clip 105 in which a coupling portion 103 formed at one end of 2 is rotatably mounted on a body portion 104 is fitted is conceivable.
〈発明が解決しようとする課題〉 しかし、このフユーエルキヤツプにおいては、蓋体10
0の中央部に貫通孔101が位置していることから、蓋体10
0を射出成形するにあたって、貫通孔101の軸線上に樹脂
注入口を配置することが不可能であり、このため、貫通
孔101の軸線近傍に樹脂注入口を配置して射出成形を行
なわざるをえないが、このようにして射出成形を行なっ
た場合には、ウエルドおよび変形が発生しやすく歩留り
が低いおそれがある。したがって、歩留まりの向上を図
るためには、まず貫通孔の軸線上に樹脂注入口を配置し
て貫通孔101のない蓋体を射出成形によって成形し、そ
の後、後加工により貫通孔101を穿孔しなければなら
ず、蓋体100の成形作業が煩雑なものになる。<Problems to be solved by the invention> However, in this fuel cap, the lid 10
Since the through hole 101 is located in the center of 0, the lid 10
In injection molding 0, it is impossible to arrange the resin injection port on the axis of the through hole 101. Therefore, the resin injection port must be arranged near the axis of the through hole 101 for injection molding. However, when injection molding is performed in this way, weld and deformation are likely to occur, and the yield may be low. Therefore, in order to improve the yield, first, the resin injection port is arranged on the axis of the through hole to form a lid without the through hole 101 by injection molding, and then the through hole 101 is punched by post-processing. Therefore, the molding work of the lid body 100 becomes complicated.
また、通常貫通孔101軸線上には蓋体100内部に配設さ
れた負圧弁または正負圧弁のガス通路が形成されている
ことから、蓋体100とクリツプ105との気密性を高め、
塵、埃の侵入を防止するためのなんらかの対策を講じる
ことが望ましい。Further, since the gas passage of the negative pressure valve or the positive / negative pressure valve disposed inside the lid 100 is formed on the axis of the normal through hole 101, the airtightness between the lid 100 and the clip 105 is increased,
It is desirable to take some measures to prevent the intrusion of dust.
この発明は、上記の問題点に着目し、上述したような
付け忘れ、置き忘れの防止を図ることは勿論、他に蓋体
の成形作業の簡略化を図るとともに、防塵性確保のため
の対策を格別に必要としなくてすむフユーエルキヤツプ
の提供を課題とする。This invention pays attention to the above problems, and of course, in addition to attempting to prevent the above-mentioned forgetting to attach and misplace, it also simplifies the molding work of the lid body and takes measures for ensuring dustproofness. The challenge is to provide fuel caps that do not require special needs.
〈課題を解決するための手段〉 この課題を解決するため、この発明のフユーエルキヤ
ツプは、 一端が蓋体の上面中央部に溶着され、他端にアンダー
カット部が形成され、両端部間に胴部が形成されたアン
ダーカット部材と、 一端に結合部が形成されるとともに他端が車体側に結
合されるつなぎ部材とを備え、 前記結合部には係合穴が形成され、該係合穴には、前記
アンダーカット部材の胴部、または、上記蓋体上面中央
部に形成された凸部が、間隙をもって間挿され、 上記アンダーカット部は、上記結合部の上方への抜けを
阻止する ことを特徴とする。<Means for Solving the Problem> In order to solve this problem, the fuel cap of the present invention has one end welded to the central portion of the upper surface of the lid, and the other end having an undercut portion formed between the both end portions. An undercut member having a body is provided, and a connecting member having a connecting portion formed at one end and being connected to the vehicle body at the other end, and an engaging hole is formed at the connecting portion, and the engaging hole is formed. The body portion of the undercut member or a convex portion formed in the central portion of the upper surface of the lid is inserted into the hole with a gap, and the undercut portion prevents the connecting portion from coming out upward. It is characterized by
〈発明の作用効果〉 この発明によると、蓋体と車体とをつなぎ部材で連結
したため、フユーエルキヤツプの置き忘れ、付け忘れを
防止することができる。<Effects of the Invention> According to the present invention, since the lid and the vehicle body are connected by the connecting member, it is possible to prevent the fuel cap from being left behind and left behind.
また、この発明によると、蓋体の上面中央部に貫通孔
を穿孔する必要がないため、蓋体の成形作業の簡略化を
図ることができ、また、防塵性確保のための格別な対策
を講じなくてすむ。Further, according to the present invention, since it is not necessary to form a through hole in the central portion of the upper surface of the lid body, the molding work of the lid body can be simplified, and special measures for ensuring dustproofness are taken. You don't have to take it.
〈実施例〉 以下、この発明の実施例を図面を参照しつつ説明す
る。<Example> Hereinafter, an example of the present invention will be described with reference to the drawings.
第１〜４図は、この発明の一実施例を示し、第１図
は、フユーエルキヤツプの主要部の分解斜視図、第２図
はそのアンダーカツト部材の拡大断面図、第３図はフユ
ーエルキヤツプのつなぎ部材の拡大断面図、第４図はつ
なぎ部材が取り付けられたアンダーカツト部材を蓋体の
凹部に溶着させて得られたフユーエルキヤツプの主要部
断面図をそれぞれ示している。1 to 4 show an embodiment of the present invention. FIG. 1 is an exploded perspective view of a main part of a fuel cap, FIG. 2 is an enlarged sectional view of an undercut member thereof, and FIG. FIG. 4 is an enlarged sectional view of the connecting member of the fuel cap, and FIG. 4 is a sectional view of the main part of the fuel cap obtained by welding the undercut member to which the connecting member is attached to the recess of the lid.
蓋体１の上面1a中央部には、アンダーカツト部材２の
一端が圧入され超音波溶着法により溶着される位置決め
用の凹部３が形成されている（第１、４図参照）。At the center of the upper surface 1a of the lid 1, there is formed a positioning recess 3 into which one end of the undercut member 2 is press-fitted and welded by ultrasonic welding (see FIGS. 1 and 4).
アンダーカツト部材２は、蓋体１に対して溶着可能に
するために蓋体１の材料と同系統の合成樹脂材料からな
り、例えば、ナイロン製である。The undercut member 2 is made of a synthetic resin material of the same system as the material of the lid body 1 so as to be weldable to the lid body 1, and is made of, for example, nylon.
アンダーカツト部材２の一端は、蓋体１の凹部３の底
面3aと接触する環状突起４と、この環状突起４からほぼ
垂直に伸び、つなぎ部材５の結合部６の係合穴７の内径
よりも大きな外径が形成された拡径部８とからなり、つ
なぎ部材５の結合部６を拡径部８を経て、胴部９すなわ
ち、拡径部８に連続して形成され拡径部８の外径よりも
小さくかつ係合穴７の内径よりも小さな外径を有する胴
部９に環装でき、環装後は胴部９に維持できる（第１、
２、４図参照）。One end of the undercut member 2 extends from the annular projection 4 which comes into contact with the bottom surface 3a of the recess 3 of the lid 1 and the annular projection 4 almost perpendicularly, and is larger than the inner diameter of the engaging hole 7 of the connecting portion 6 of the connecting member 5. Also has an enlarged diameter portion 8 formed with a large outer diameter, and the connecting portion 6 of the connecting member 5 passes through the enlarged diameter portion 8 and then the body portion 9, that is, the enlarged diameter portion 8 is formed continuously with the enlarged diameter portion 8. Can be attached to the body 9 having an outer diameter smaller than the outer diameter of the engaging hole 7 and smaller than the inner diameter of the engaging hole 7, and can be maintained in the body 9 after the attachment (first,
(See Figures 2 and 4).
アンダーカツト部材２の他端すなわち、胴部９の他端
には、結合部６の係合穴７の内径よりも大きな外径を有
しかつ、超音波溶着時の押え面となる平面な端面10aが
形成されたアンダーカツト部10が形成され、胴部９に環
装された結合部６の抜けが防止できるとともに、超音波
溶着装置（図示せず）の発生振動が溶着箇所に効率よく
伝達できるよう構成されている（第１、２、４図参
照）。At the other end of the undercut member 2, that is, at the other end of the body portion 9, a flat end surface having an outer diameter larger than the inner diameter of the engagement hole 7 of the coupling portion 6 and serving as a pressing surface during ultrasonic welding. The undercut portion 10 formed with 10a is formed, and the joint portion 6 mounted on the body portion 9 can be prevented from coming off, and the vibration generated by the ultrasonic welding device (not shown) is efficiently transmitted to the welding portion. It is configured to be capable (see FIGS. 1, 2, and 4).
つなぎ部材５は、蓋体１と溶着しない合成樹脂材料か
らなり、例えばポリプロピレン（PP）製である。The connecting member 5 is made of a synthetic resin material that does not weld to the lid 1, and is made of polypropylene (PP), for example.
つなぎ部材５の一端には、上記結合部６が形成され、
他端には、車体（図示せず）側に連結され他の係合穴11
を有する他の結合部12が形成されている。そして、両端
間には両結合部６、12を結ぶひも状部13が形成されてい
る。このつなぎ部材５は、燃料注入時にフユーエルキヤ
ツプをフイラーネツク（図示せず）から外したときに燃
料注入ガンの妨げになることなくフユーエルキヤツプを
支持できるよう、その形状、寸法が定められている（第
１、３、４図参照）。The connecting portion 6 is formed at one end of the connecting member 5,
At the other end, another engaging hole 11 connected to the vehicle body (not shown) side is provided.
Another coupling part 12 having is formed. A string-shaped portion 13 that connects the connecting portions 6 and 12 is formed between both ends. The connecting member 5 is shaped and dimensioned so as to support the fuel cap without interfering with the fuel injection gun when the fuel cap is removed from the filler net (not shown) during fuel injection. (See Figures 1, 3, 4).
以上の説明から明らかなように、つなぎ部材５の結合
部６はアンダーカツト部材２の拡径部８により拡径され
て胴部９に環装され、胴部９に環装されると、結合部６
は縮径し、結合部６は胴部９に確実に保持される。ま
た、胴部９に環装された結合部６は、アンダーカツト部
10により抜け出ることはない。したがって、つなぎ部材
５は、アンダーカツト部材２に確実に保持されて組み付
けられる。As is apparent from the above description, the connecting portion 6 of the connecting member 5 is expanded by the expanded diameter portion 8 of the undercut member 2 and is attached to the body portion 9. Part 6
Is reduced in diameter, and the joint portion 6 is securely held by the body portion 9. In addition, the connecting portion 6 mounted around the body portion 9 is an undercut portion.
You can't get out by 10! Therefore, the connecting member 5 is securely held and assembled to the undercut member 2.
そして、上記のようにつなぎ部材５が組み付けられた
アンダーカツト部材２は、その拡径部８が蓋体１の凹部
３に挿入され環状突起４が凹部３の底面3aと接触した状
態で凹部３にぐらつくことなく保持される。In the undercut member 2 to which the connecting member 5 is assembled as described above, the expanded portion 8 is inserted into the recess 3 of the lid 1 and the annular projection 4 is in contact with the bottom surface 3a of the recess 3 to form the recess 3 Holds without wobbling.
そして、この状態で、超音波溶着装置のホーンチツプ
を端面10aに押圧させて発生振動をアンダーカツト部材
２に伝達し、これにより、環状突起４と凹部３底面3aと
の間が振動による摩擦熱で溶融しアンダーカツト部材２
が蓋体１に溶着される。Then, in this state, the horn chip of the ultrasonic welding device is pressed against the end surface 10a to transmit the generated vibration to the undercut member 2, whereby frictional heat due to the vibration is generated between the annular projection 4 and the bottom surface 3a of the recess 3. Melted and undercut member 2
Is welded to the lid 1.
このように、この実施例によると、蓋体１の上面1a中
央部に明細書冒頭に述べたような貫通孔を穿設する必要
がないため、蓋体を射出成形した後に後加工によって貫
通孔を穿設しなくてすみ、作業が簡単になる。また、貫
通孔が穿設されていないことから貫通孔と蓋体との気密
性に対してなんら特別な対策を講じなくてすむ。As described above, according to this embodiment, since it is not necessary to form the through hole as described at the beginning of the specification in the central portion of the upper surface 1a of the lid body 1, after the lid body is injection-molded, the through hole is formed by post-processing. No need to pierce and work is easy. Further, since the through hole is not formed, it is not necessary to take any special measure for airtightness between the through hole and the lid.
さらに、この実施例によると、つなぎ部材５とアンダ
ーカツト部材２とがサブアセンブリ化され、また、アン
ダーカツト部材２を蓋体１の凹部３に容易かつ確実に位
置決めすることができるため、超音波溶着を行なう際の
作業はあまり煩雑にならない。Further, according to this embodiment, since the connecting member 5 and the undercut member 2 are sub-assembled, and the undercut member 2 can be easily and reliably positioned in the recess 3 of the lid 1, the ultrasonic wave The work for welding is not so complicated.
第５図は、この発明の他の実施例の主要部断面図を示
している。FIG. 5 shows a sectional view of a main portion of another embodiment of the present invention.
第５図において、蓋体１の上面1a中央部には円筒状の
縮径可能な凸部14が形成されている。この凸部14の凹部
15には断面Ｔ字状のアンダーカツト部材２が圧入され超
音波溶着法により溶着されている。凸部14にはつなぎ部
材５の結合部６が回転自在に環装され、この結合部６は
アンダーカツト部材２のアンダーカツト部10により抜け
出ないようにされている。その他の構成は、上述した先
の実施例と同様である。In FIG. 5, a cylindrical convex portion 14 which can be reduced in diameter is formed in the central portion of the upper surface 1a of the lid 1. The concave part of this convex part 14
An undercut member 2 having a T-shaped cross section is press-fitted into 15 and welded by an ultrasonic welding method. A connecting portion 6 of the connecting member 5 is rotatably mounted on the convex portion 14 so that the connecting portion 6 is prevented from coming off by the undercut portion 10 of the undercut member 2. Other configurations are the same as those of the above-mentioned embodiment.
この実施例によっても、上述した先の実施例と同様、
後加工がいらずまた、気密性対策をしなくてすむという
効果を奏する。Also in this embodiment, similar to the previous embodiment described above,
It has the effect of requiring no post-processing and eliminating the need for airtightness measures.
第１〜４図は、この発明の一実施例を示し、 第１図は、フユーエルキヤツプの主要部の分解斜視図、 第２図は、そのアンダーカツト部材の拡大断面図、 第３図は、フユーエルキヤツプのつなぎ部材の拡大断面
図、 第４図は、つなぎ部材が取り付けられたアンダーカツト
部材を蓋体の凹部に溶着させて得られたフユーエルキヤ
ツプの主要部断面図、 第５図は、この発明の他の実施例の主要部断面図、 第６図は、この発明の前提となるフユーエルキヤツプの
要部断面図である。 １…蓋体、1a…上面、２…アンダーカツト部材、３…凹
部、５…つなぎ部材、６…結合部、７…係合穴、９…胴
部、10…アンダーカツト部、14…凸部。1 to 4 show an embodiment of the present invention, FIG. 1 is an exploded perspective view of a main part of a fuel cap, FIG. 2 is an enlarged sectional view of an undercut member thereof, and FIG. FIG. 4 is an enlarged sectional view of a connecting member of the fuel cap, FIG. 4 is a sectional view of a main portion of the fuel cap obtained by welding an undercut member to which the connecting member is attached to a recess of the lid, FIG. FIG. 6 is a sectional view of a main part of another embodiment of the present invention, and FIG. 6 is a sectional view of a main part of a fuel cap which is a premise of the present invention. DESCRIPTION OF SYMBOLS 1 ... Lid body, 1a ... Top surface, 2 ... Undercut member, 3 ... Recessed part, 5 ... Connecting member, 6 ... Coupling part, 7 ... Engagement hole, 9 ... Body part, 10 ... Undercut part, 14 ... Convex part .
Claims (1)
にアンダーカット部が形成され、両端部間に胴部が形成
されたアンダーカット部材と、 一端に結合部が形成されるとともに他端が車体側に結合
されるつなぎ部材とを備え、 前記結合部には係合穴が形成され、該係合穴には、前記
アンダーカット部材の胴部、または、上記蓋体上面中央
部に形成された凸部が、間隙をもって間挿され、 上記アンダーカット部は、上記結合部の上方への抜けを
阻止する ことを特徴とするフューエルキャップ。1. An undercut member having one end welded to a central portion of an upper surface of a lid, an undercut portion formed at the other end, and a body portion formed between both end portions, and a joint portion formed at one end. And a connecting member, the other end of which is connected to the vehicle body side, wherein an engaging hole is formed in the connecting portion, and the engaging hole has a body portion of the undercut member or a center of an upper surface of the lid body. A fuel cap, wherein convex portions formed on the portion are inserted with a gap, and the undercut portion prevents the coupling portion from coming off upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9905890A JP2534573B2 (en) | 1990-04-14 | 1990-04-14 | Fuel cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9905890A JP2534573B2 (en) | 1990-04-14 | 1990-04-14 | Fuel cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03295723A JPH03295723A (en) | 1991-12-26 |
| JP2534573B2 true JP2534573B2 (en) | 1996-09-18 |
Family
ID=14237098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9905890A Expired - Fee Related JP2534573B2 (en) | 1990-04-14 | 1990-04-14 | Fuel cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534573B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH092084A (en) * | 1995-06-21 | 1997-01-07 | Calsonic Corp | Tie cap |
| JP2001121978A (en) | 1999-10-22 | 2001-05-08 | Calsonic Kansei Corp | Cap with string |
| EP1043185B1 (en) | 1999-04-07 | 2004-11-24 | Calsonic Kansei Corporation | String-attached cap |
| US6164482A (en) * | 1999-04-07 | 2000-12-26 | Calsonic Kansei Corporation | String-attached cap |
-
1990
- 1990-04-14 JP JP9905890A patent/JP2534573B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03295723A (en) | 1991-12-26 |
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