JPH09109700A - Fuel tank for vehicle - Google Patents
Fuel tank for vehicleInfo
- Publication number
- JPH09109700A JPH09109700A JP29332695A JP29332695A JPH09109700A JP H09109700 A JPH09109700 A JP H09109700A JP 29332695 A JP29332695 A JP 29332695A JP 29332695 A JP29332695 A JP 29332695A JP H09109700 A JPH09109700 A JP H09109700A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel tank
- pipe connecting
- connecting boss
- mounting seat
- 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.)
- Pending
Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 50
- 239000000446 fuel Substances 0.000 claims abstract description 86
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 229910001234 light alloy Inorganic materials 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 17
- 238000004080 punching Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車、建設機
械、農業用機械等の車両用の液体燃料を貯蔵する軽合金
製或いは綱板製の燃料タンクに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuel tank made of light alloy or rope for storing liquid fuel for vehicles such as automobiles, construction machines and agricultural machines.
【０００２】[0002]
【従来の技術】車両用燃料タンクとして、図３に示すも
のが従来使用されている。図３において、燃料タンク１
は亜鉛メッキ鋼板で製造され、まず亜鉛メッキ鋼板を切
断して所定寸法の横長の長方形鋼板を得る。長方形鋼板
に給油口６、リーケージパイプ結合ボス７、燃料供給パ
イプ結合ボス８、燃料レベルゲージ取付座９及びドレー
ンプラグ10を装着するための開口をパンチングにより形
成する。角形のタンクを製作するため、長方形鋼板を４
箇所で折り曲げ、端部をシーム溶接等により接合して溶
接部22を形成し、四角筒状の燃料タンク本体12となす。
このとき、給油口６、リーケージパイプ結合ボス７、燃
料供給パイプ結合ボス８、燃料レベルゲージ取付座９の
ための開口が上壁に位置し、ドレーンプラグ10を装着す
るための開口が下壁に位置するようにする。次いで、こ
の燃料タンク本体12の両開口端に鏡板13の周縁をシーム
溶接等により接合して鏡板溶接部23を形成し、又鏡板13
と同一で共用するバッフルプレートがタンク内部に溶接
（図省略）され、タンク本体となす。なお、鏡板13等の
タンク表面にリブを形成し、剛性を付与する。2. Description of the Related Art As a vehicle fuel tank, the one shown in FIG. 3 has been conventionally used. In FIG. 3, the fuel tank 1
Is manufactured from a galvanized steel sheet, and the galvanized steel sheet is first cut to obtain a horizontally long rectangular steel sheet having a predetermined size. An opening for mounting the fuel filler port 6, the leakage pipe connecting boss 7, the fuel supply pipe connecting boss 8, the fuel level gauge mounting seat 9 and the drain plug 10 is formed on the rectangular steel plate by punching. Four rectangular steel plates are used to make a square tank.
The fuel tank body (12) is formed into a rectangular tube by bending at a location and joining the ends by seam welding or the like to form a welded section (22).
At this time, the openings for the fuel filler 6, the leakage pipe connecting boss 7, the fuel supply pipe connecting boss 8, and the fuel level gauge mounting seat 9 are located on the upper wall, and the opening for mounting the drain plug 10 is on the lower wall. To be located. Next, the periphery of the end plate 13 is joined to both open ends of the fuel tank body 12 by seam welding or the like to form the end plate welded portion 23.
The same baffle plate that is used in common with is welded inside the tank (not shown) to form the tank body. A rib is formed on the surface of the tank such as the end plate 13 to give rigidity.
【０００３】タンク本体の上壁の前記開口に筒状の給油
口６、リーケージパイプ結合ボス７、燃料供給パイプ結
合ボス８、リング状の燃料レベルゲージ取付座９をそれ
ぞれ嵌合させ、嵌合部をろう付け、スポット溶接等によ
り接合する。給油口６を蓋15により閉じ、燃料レベルゲ
ージ取付座９にはガスケット16を介して燃料レベルゲー
ジ17を嵌合させ、ボルト18により燃料レベルゲージ17を
燃料レベルゲージ取付座９に固定する。また、中空のド
レーンプラグ10をガスケット14を介在させてタンク本体
の下壁の前記開口に嵌合して固定させ、ドレーンプラグ
10の下壁の開口をガスケット19を介したボルト20により
閉鎖する。ドレーンプラグ10には燃料吸込パイプ５の下
端が係合され、燃料吸込パイプ５の上端は燃料供給パイ
プ結合ボス８の内面に固定される。A cylindrical fuel filler port 6, a leakage pipe connecting boss 7, a fuel supply pipe connecting boss 8, and a ring-shaped fuel level gauge mounting seat 9 are fitted into the opening of the upper wall of the tank body, respectively, and the fitting portion is fitted. Are joined by brazing, spot welding or the like. The fuel filler 6 is closed by the lid 15, the fuel level gauge 17 is fitted to the fuel level gauge mounting seat 9 via the gasket 16, and the fuel level gauge 17 is fixed to the fuel level gauge mounting seat 9 by the bolt 18. Further, the hollow drain plug 10 is fitted and fixed to the opening of the lower wall of the tank main body with the gasket 14 interposed, and the drain plug 10 is fixed.
The opening of the lower wall of 10 is closed by a bolt 20 via a gasket 19. The lower end of the fuel suction pipe 5 is engaged with the drain plug 10, and the upper end of the fuel suction pipe 5 is fixed to the inner surface of the fuel supply pipe coupling boss 8.
【０００４】車両の略垂直なフレーム２にＬ字形の２個
のブラケット３，3'の垂直部をボルト24及びナット25を
用いて固定する。ブラケット３とブラケット3'とは所定
の間隔をおいて配置され、２個のブラケット３，3'の水
平部の上に燃料タンク１を載置し、タンク取付用のスチ
ールバンド４の上端をブラケット３の垂直部上端部に係
合させる。スチールバンド４を燃料タンク１の表面に沿
わせ、スチールバンド４の下端のおねじ部をブラケット
３の水平部端部の孔に挿通し、おねじ部にナット26を螺
合させる。同様にして、スチールバンド4'をブラケット
3'に固定し、こうして燃料タンク１をフレーム２に固定
する。The vertical portions of the two L-shaped brackets 3 and 3'are fixed to the substantially vertical frame 2 of the vehicle using bolts 24 and nuts 25. The bracket 3 and the bracket 3'are arranged at a predetermined interval, the fuel tank 1 is placed on the horizontal portion of the two brackets 3 and 3 ', and the upper end of the steel band 4 for mounting the tank is bracketed. 3 is engaged with the upper end of the vertical portion. The steel band 4 is placed along the surface of the fuel tank 1, the male screw part of the lower end of the steel band 4 is inserted into the hole of the horizontal part end of the bracket 3, and the nut 26 is screwed to the male screw part. Similarly, bracket the steel band 4 '
3 ', thus fixing the fuel tank 1 to the frame 2.
【０００５】[0005]
【発明が解決しようとする課題】従来の車両用燃料タン
ク製造に際しては、安価な鉄系材料を用い、別部品の給
油口、リーケージパイプ結合ボス、燃料供給パイプ結合
ボス及び燃料レベルゲージ取付座を燃料タンク本体の開
口に接合していた。そのため、多くの部品と多くの接合
の工程を必要とし、各接合部については燃料漏れのない
ことを確認する必要があり、しかも鉄系材料を用いるの
で燃料タンクが重くなるという欠点があった。本発明
は、車両用燃料タンクにおいて、軽合金板材料或いは綱
板を用いて、給油口、リーケージパイプ結合ボス、燃料
供給パイプ結合ボス及び燃料レベルゲージ取付座を燃料
タンク本体と一体化して部品点数及び製造工程の削減を
図ることを課題とする。In manufacturing a conventional fuel tank for a vehicle, an inexpensive iron-based material is used, and a separate fuel filler port, leakage pipe connecting boss, fuel supply pipe connecting boss and fuel level gauge mounting seat are provided. It was joined to the opening of the fuel tank body. Therefore, many parts and many joining processes are required, and it is necessary to confirm that there is no fuel leakage at each joining portion. Moreover, since an iron-based material is used, the fuel tank becomes heavy. The present invention relates to a vehicle fuel tank, which uses a light alloy plate material or a steel plate, and integrates a fuel filler port, a leakage pipe connecting boss, a fuel supply pipe connecting boss, and a fuel level gauge mounting seat with a fuel tank main body. It is also an object to reduce the manufacturing process.
【０００６】[0006]
【課題を解決するための手段】本発明は、上部に液体燃
料の給油口、リーケージパイプ結合ボス、燃料供給パイ
プ結合ボス部及び燃料レベルゲージ取付座を有する車両
用燃料タンクにおいて、軽合金板或いは綱板によって燃
料タンク本体が形成され、燃料タンク本体の軽合金板或
いは綱板がプレス成形によって成形されたフランジ付の
開口を給油口及び燃料レベルゲージ取付座となし、燃料
タンク本体の軽合金板がプレス成形によって成形された
凸状部の先端部が切断されたものをリーケージパイプ結
合ボス及び燃料供給パイプ結合ボスとなすことを構成と
する。本発明は、前記構成の車両用燃料タンクにおい
て、給油口及び燃料レベルゲージ取付座は、頂部が平ら
でその周辺が立ち上がった曲面をもつ第１加工部をプレ
ス成形により成形し、前記第１加工部(36a,39a) の平ら
な頂部を上側から円板をパンチングにより切断してフラ
ンジ付の開口を成形することにより形成され、リーケー
ジパイプ結合ボス及び燃料供給パイプ結合ボスは、凸状
に立ち上がった曲面をもつ第２加工部(37a,38a) をプレ
ス成形により成形し、前記第２加工部の先端部を切断し
て筒状体となすことにより形成される。SUMMARY OF THE INVENTION The present invention is a vehicle fuel tank having a liquid fuel filler port, a leakage pipe connecting boss, a fuel supply pipe connecting boss portion, and a fuel level gauge mounting seat on the upper portion thereof. The fuel tank main body is formed by the steel plate, and the light alloy plate of the fuel tank main body or the flanged opening formed by press forming the steel plate is used as the fuel filler and the fuel level gauge mounting seat, and the light alloy plate of the fuel tank main body Is a press-molded convex portion whose tip is cut to form a leakage pipe connecting boss and a fuel supply pipe connecting boss. According to the present invention, in the vehicle fuel tank having the above-mentioned structure, the fueling port and the fuel level gauge mounting seat are formed by press molding a first processing portion having a curved top surface with a flat top and a raised peripheral portion. The flat tops of the parts (36a, 39a) are formed by punching a disc from above to form an opening with a flange, and the leakage pipe connecting boss and the fuel supply pipe connecting boss are raised in a convex shape. The second processing portion (37a, 38a) having a curved surface is formed by press forming, and the tip end portion of the second processing portion is cut to form a tubular body.
【０００７】[0007]
【発明の実施の形態】図１，図２に基づいて本発明の実
施形態の説明をする。実施形態の説明において、図３の
従来例と同一の部材には同一の符号を付し、その説明は
省略する。燃料タンク１はアルミニューム合金板材等の
軽合金板材或いは軟鋼板材により製造され、まず軽合金
板材或いは軟鋼板材を切断して所定寸法の横長の長方形
軽合金板或いは軟鋼板材28を形成する。長方形軽合金板
或いは軟鋼板材28に給油口36、リーケージパイプ結合ボ
ス37、燃料供給パイプ結合ボス38及び燃料レベルゲージ
取付座39を加工する部分を定め、その部分に必要に応じ
てマークをつける。また、従来例と同様にして、長方形
軽合金板或いは鋼板28にドレーンプラグ10を装着するた
めの開口をパンチングにより形成する。DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described with reference to FIGS. In the description of the embodiment, the same members as those in the conventional example of FIG. 3 are designated by the same reference numerals, and the description thereof will be omitted. The fuel tank 1 is manufactured from a light alloy plate material such as an aluminum alloy plate material or a mild steel plate material. First, the light alloy plate material or the mild steel plate material is cut to form a horizontally elongated rectangular light alloy plate or mild steel plate material 28 having a predetermined size. On the rectangular light alloy plate or mild steel plate material 28, a portion for processing the oil supply port 36, the leakage pipe connecting boss 37, the fuel supply pipe connecting boss 38 and the fuel level gauge mounting seat 39 is defined, and a mark is attached to the portion as necessary. Further, similarly to the conventional example, an opening for mounting the drain plug 10 is formed on the rectangular light alloy plate or the steel plate 28 by punching.
【０００８】長方形軽合金板或いは鋼板28の給油口36及
び燃料レベルゲージ取付座39を成形すべき部位に、図２
(a) に示すように、プレス成形の一つであるフランジ成
形により、給油口のフランジ加工部36ａ及び燃料レベル
ゲージ取付座のフランジ加工部39ａを成形する。フラン
ジ加工部（第１加工部）36ａ及び39ａの成形は、頭の平
らなポンチにより長方形軽合金板或いは鋼板28をダイス
穴に押し込むことにより行われ、頂部が平らでその周辺
が立ち上がった曲面をもつ、立体形のフランジ加工部36
ａ及び39ａが得られる。次にフランジ加工部36ａ及び39
ａの平らな頂部を上側から円板36b,39b をパンチングに
より切断して、フランジ付の開口を成形する。フランジ
加工部36ａに蓋15をロックするのに必要な加工をして給
油口36となし、またフランジ加工部39ａに取付座に必要
な加工をして燃料レベルゲージ取付座39となす。なお、
ここではフランジ成形をし、次いでフランジ付の開口を
成形したが、バーリング加工により、長方形軽合金板或
いは鋼板28に下穴を形成し、頭の平らなポンチにより長
方形軽合金板或いは鋼板28をダイス穴に押し込んで、図
２(a) の符号36(39)で示す形状のものを得ることができ
る。The rectangular light alloy plate or steel plate 28 has a fuel filler port 36 and a fuel level gauge mounting seat 39 formed on the portion to be molded as shown in FIG.
As shown in (a), the flanged portion 36a of the fuel filler and the flanged portion 39a of the fuel level gauge mounting seat are formed by flange forming, which is one of press forming. Flanged parts (first processed parts) 36a and 39a are formed by pushing a rectangular light alloy plate or steel plate 28 into a die hole with a flat-headed punch to form a curved surface with a flat top and a raised peripheral portion. Holding, three-dimensional flange processing part 36
a and 39a are obtained. Next, the flange processing parts 36a and 39
The flat top of a is cut from above from the discs 36b, 39b by punching to form a flanged opening. The flange processing portion 36a is processed to be necessary for locking the lid 15 to form the fuel filler port 36, and the flange processing portion 39a is processed to be a mounting seat to form the fuel level gauge mounting seat 39. In addition,
Here, flange forming was performed, and then an opening with a flange was formed.However, a pilot hole was formed in the rectangular light alloy plate or steel plate 28 by burring, and the rectangular light alloy plate or steel plate 28 was diced by a flat head punch. It can be pushed into the hole to obtain the shape shown by reference numeral 36 (39) in FIG. 2 (a).
【０００９】長方形軽合金板或いは鋼板28のリーケージ
パイプ結合ボス37及び燃料供給パイプ結合ボス38を成形
すべき部位に、図２(b) に示すように、プレス成形の一
つであるフランジ成形により、リーケージパイプ結合ボ
ス37のフランジ加工部37ａ及び燃料供給パイプ結合ボス
38のフランジ加工部38ａを成形する。フランジ加工部37
ａ及び38ａ（第２加工部）の成形は、頭が凸状のポンチ
により長方形軽合金板或いは鋼板28をダイス穴に押し込
むことにより行われ、図２(a) の符号37a(37b)に示すよ
うな凸状に立ち上がった曲面の立体形のフランジ加工部
37ａ及び38ａが得られる。次に凸状のフランジ加工部37
ａ及び38ａの先端部37ｂ,38bを切断して筒状体のリーケ
ージパイプ結合ボス37及び燃料供給パイプ結合ボス38と
なす。なお、ここでは給油口36及び燃料レベルゲージ取
付座39の成形とリーケージパイプ結合ボス37及び燃料供
給パイプ結合ボス38の成形とを分けて説明したが、実際
の成形に際しては、給油口36及び燃料レベルゲージ取付
座39の成形と、リーケージパイプ結合ボス37及び燃料供
給パイプ結合ボス38の成形とを同時に行うことができ
る。As shown in FIG. 2 (b), flange forming, which is one of the press forming, is applied to the portion of the rectangular light alloy plate or steel plate 28 where the leakage pipe connecting boss 37 and the fuel supply pipe connecting boss 38 are to be formed. A flanged portion 37a of the leakage pipe connecting boss 37 and a fuel supply pipe connecting boss
The flange processed portion 38a of 38 is formed. Flanged part 37
The forming of a and 38a (second processed portion) is performed by pushing the rectangular light alloy plate or the steel plate 28 into the die hole with a punch having a convex head, as shown by reference numeral 37a (37b) in FIG. 2 (a). 3D flanged part with a curved surface that rises in a convex shape like
37a and 38a are obtained. Next, the convex flange processing part 37
The tip portions 37b and 38b of a and 38a are cut to form a tubular leakage pipe connecting boss 37 and a fuel supply pipe connecting boss 38. Although the molding of the fuel filling port 36 and the fuel level gauge mounting seat 39 and the molding of the leakage pipe coupling boss 37 and the fuel supply pipe coupling boss 38 are described separately here, in the actual molding, the fuel filling port 36 and the fuel The level gauge mounting seat 39 and the leakage pipe coupling boss 37 and the fuel supply pipe coupling boss 38 can be molded at the same time.
【００１０】本発明の実施形態においては、従来技術と
同様に、角形のタンクを製作するため、長方形軽合金板
或いは鋼板28を第１折曲部30、第２折曲部31、第３折曲
部32及び第４折曲部33の４箇所で折り曲げ、端部をシー
ム溶接等により接合して溶接部22と形成し、燃料タンク
本体12となす。前記の給油口36、燃料レベルゲージ取付
座39、リーケージパイプ結合ボス37及び燃料供給パイプ
結合ボス38の成形は、長方形軽合金板或いは鋼板28の第
１折曲部30及び第２折曲部31の折曲後に行うのが好適で
あるが、折曲前又は第１折曲部30の折曲後に行うことも
できる。なお、ここでは燃料タンク１の形状を四角筒と
したが、燃料タンクの形状は角型、丸型、異形型等のい
ずれでもよく、給油口36、燃料レベルゲージ取付座39の
成形、リーケージパイプ結合ボス37及び燃料供給パイプ
結合ボス38は燃料タンクの上部に形成する。図１(b) に
示すように、燃料吸込パイプ35の上端が燃料供給パイプ
結合ボス38の内面に固定され、燃料吸込パイプ35の下端
はドレーンプラグ10に係合して、こうして燃料吸込パイ
プ35が保持される。また、燃料吸込パイプ35の下端部に
は複数個の開口34が形成されている。また、燃料タンク
１の剛性を確保するため、燃料タンク１の板面に適宜リ
ブをつける。本発明の実施形態の燃料タンク１を２個用
いてメインタンク及びサブタンクとなし、メインタンク
とサブタンクとを連通管及びブリーザ管で接続し、メイ
ンタンクのドレーンプラグとサブタンクのドレーンプラ
グとをパイプで接続することができる。In the embodiment of the present invention, similarly to the prior art, in order to manufacture a rectangular tank, a rectangular light alloy plate or steel plate 28 is bent at the first bent portion 30, the second bent portion 31, and the third bent portion. The fuel tank body 12 is formed by bending the bent portion 32 and the fourth bent portion 33 at four positions and joining the ends by seam welding or the like to form a welded portion 22. The fuel filler 36, the fuel level gauge mounting seat 39, the leakage pipe connecting boss 37 and the fuel supply pipe connecting boss 38 are formed by forming the first bent portion 30 and the second bent portion 31 of the rectangular light alloy plate or steel plate 28. It is preferable to perform it after the bending, but it can also be performed before the bending or after the bending of the first bending portion 30. Although the shape of the fuel tank 1 is a square cylinder here, the shape of the fuel tank may be any of a square shape, a round shape, a modified shape, etc., and the fuel filler 36, the fuel level gauge mounting seat 39, and the leakage pipe. The connecting boss 37 and the fuel supply pipe connecting boss 38 are formed on the upper portion of the fuel tank. As shown in FIG. 1 (b), the upper end of the fuel suction pipe 35 is fixed to the inner surface of the fuel supply pipe coupling boss 38, and the lower end of the fuel suction pipe 35 engages with the drain plug 10, thus the fuel suction pipe 35 Is retained. A plurality of openings 34 are formed at the lower end of the fuel suction pipe 35. Further, in order to secure the rigidity of the fuel tank 1, ribs are appropriately provided on the plate surface of the fuel tank 1. A main tank and a sub tank are formed by using two fuel tanks 1 of the embodiment of the present invention, the main tank and the sub tank are connected by a communication pipe and a breather pipe, and a drain plug of the main tank and a drain plug of the sub tank are formed by pipes. Can be connected.
【００１１】[0011]
【発明の効果】本発明では、車両用燃料タンクにおい
て、軽合金板或いは鋼板によって燃料タンク本体が形成
され、燃料タンク本体の軽合金板或いは鋼板がプレス成
形によって成形されたフランジ付の開口を給油口及び燃
料レベルゲージ取付座となし、燃料タンク本体の軽合金
板或いは鋼板がプレス成形によって成形された凸状部の
先端部が切断されたものをリーケージパイプ結合ボス及
び燃料供給パイプ結合ボスとなす。このように、軽合金
板或いは鋼板材料を用いることにより車両用燃料タンク
の給油口、リーケージパイプ結合ボス、燃料供給パイプ
結合ボス及び燃料レベルゲージ取付座と燃料タンク本体
との一体化が実現して部品点数及び製造工程の削減が達
成される。According to the present invention, in a fuel tank for a vehicle, a fuel tank main body is formed of a light alloy plate or a steel plate, and a light alloy plate or a steel plate of the fuel tank main body is press-formed to refill a flanged opening. Without a mouth and a fuel level gauge mounting seat, the light alloy plate or the steel plate of the fuel tank main body is formed by press molding and the tip of the convex part is cut off to form the leakage pipe connecting boss and the fuel supply pipe connecting boss. . As described above, by using the light alloy plate or the steel plate material, the fuel tank main body of the vehicle fuel tank, the leakage pipe connecting boss, the fuel supply pipe connecting boss, and the fuel level gauge mounting seat can be integrated with the fuel tank main body. A reduction in the number of parts and manufacturing process is achieved.
【図１】図１(a) は本発明の実施形態の燃料タンクを示
す斜視図であり、図１(b) は一部拡大図である。FIG. 1 (a) is a perspective view showing a fuel tank according to an embodiment of the present invention, and FIG. 1 (b) is a partially enlarged view.
【図２】図２(a) は燃料タンクの給油口及び燃料レベル
ゲージ取付座を形成する工程を示し、図２(b) はリーケ
ージパイプ結合ボス及び燃料供給パイプ結合ボスを形成
する工程を示す図である。FIG. 2 (a) shows a step of forming a fuel filler port and a fuel level gauge mounting seat of a fuel tank, and FIG. 2 (b) shows a step of forming a leakage pipe connecting boss and a fuel supply pipe connecting boss. It is a figure.
【図３】従来の燃料タンクを示す斜視図である。FIG. 3 is a perspective view showing a conventional fuel tank.
12：燃料タンク本体 36：給油口 37：リーケージパイプ結合ボス 38：燃料供給パイプ結合ボス 39：燃料レベルゲージ取付座 36a,39a ：第１加工部 37a,38a ：第２加工部 37b.38b ：先端部 12: Fuel tank body 36: Filling port 37: Leakage pipe connecting boss 38: Fuel supply pipe connecting boss 39: Fuel level gauge mounting seat 36a, 39a: 1st processing part 37a, 38a: 2nd processing part 37b. 38b: Tip Department
Claims (2)
イプ結合ボス、燃料供給パイプ結合ボス及び燃料レベル
ゲージ取付座を有する車両用燃料タンクにおいて、軽合
金板或いは綱板によって燃料タンク本体が形成され、燃
料タンク本体の軽合金板或いは綱板がプレス成形によっ
て成形されたフランジ付の開口を給油口及び燃料レベル
ゲージ取付座となし、燃料タンク本体の軽合金板或いは
綱板がプレス成形によって成形された凸状部の先端部が
切断されたものをリーケージパイプ結合ボス及び燃料供
給パイプ結合ボスとなすことを特徴とする車両用燃料タ
ンク。1. A fuel tank for a vehicle having a liquid fuel filler port, a leakage pipe connecting boss, a fuel supply pipe connecting boss, and a fuel level gauge mounting seat on an upper portion thereof, wherein the fuel tank main body is formed of a light alloy plate or a steel plate. The light alloy plate or steel plate of the fuel tank body is formed by press forming, and the opening with a flange is used as the fuel filler and fuel level gauge mounting seat, and the light alloy plate or steel plate of the fuel tank body is formed by press forming. A fuel tank for a vehicle, characterized in that the protrusion of the convex portion is cut to form a leakage pipe connecting boss and a fuel supply pipe connecting boss.
頂部が平らでその周辺が立ち上がった曲面をもつ第１加
工部をプレス成形により成形し、前記第１加工部の平ら
な頂部を上側から円板をパンチングにより切断してフラ
ンジ付の開口を成形することにより形成され、リーケー
ジパイプ結合ボス及び燃料供給パイプ結合ボスは、凸状
に立ち上がった曲面をもつ第２加工部をプレス成形によ
り成形し、前記第２加工部の先端部を切断して筒状体と
なすことにより形成される請求項１記載の車両用燃料タ
ンク。2. The fuel filler and the fuel level gauge mounting seat are
A first processed portion having a flat top and a curved surface with a raised peripheral portion is formed by press forming, and the flat top of the first processed portion is cut from the upper side by punching a disc to form an opening with a flange. The leakage pipe connecting boss and the fuel supply pipe connecting boss are formed by press forming a second processed portion having a convex curved surface, and cutting the tip end of the second processed portion to form a tubular shape. The vehicle fuel tank according to claim 1, which is formed by forming a body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29332695A JPH09109700A (en) | 1995-10-17 | 1995-10-17 | Fuel tank for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29332695A JPH09109700A (en) | 1995-10-17 | 1995-10-17 | Fuel tank for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09109700A true JPH09109700A (en) | 1997-04-28 |
Family
ID=17793386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29332695A Pending JPH09109700A (en) | 1995-10-17 | 1995-10-17 | Fuel tank for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09109700A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100391211B1 (en) * | 2000-11-16 | 2003-07-12 | 기아자동차주식회사 | Strap for supporting the vehicle fuel tank |
| JP2010228549A (en) * | 2009-03-26 | 2010-10-14 | Tokyo Radiator Mfg Co Ltd | Vehicle fuel tank |
| US10641640B2 (en) | 2016-06-07 | 2020-05-05 | Hyundai Motor Company | Fuel sensor for flexible fuel vehicle |
-
1995
- 1995-10-17 JP JP29332695A patent/JPH09109700A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100391211B1 (en) * | 2000-11-16 | 2003-07-12 | 기아자동차주식회사 | Strap for supporting the vehicle fuel tank |
| JP2010228549A (en) * | 2009-03-26 | 2010-10-14 | Tokyo Radiator Mfg Co Ltd | Vehicle fuel tank |
| US10641640B2 (en) | 2016-06-07 | 2020-05-05 | Hyundai Motor Company | Fuel sensor for flexible fuel vehicle |
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