JP6010770B2 - Fuel inlet structure - Google Patents

Fuel inlet structure Download PDF

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Publication number
JP6010770B2
JP6010770B2 JP2013198680A JP2013198680A JP6010770B2 JP 6010770 B2 JP6010770 B2 JP 6010770B2 JP 2013198680 A JP2013198680 A JP 2013198680A JP 2013198680 A JP2013198680 A JP 2013198680A JP 6010770 B2 JP6010770 B2 JP 6010770B2
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fuel
reducing agent
cap
opening
closing cover
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JP2015063240A (en
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弘和 牧野
弘和 牧野
鈴木　康司
康司 鈴木
貴之 鶴田
貴之 鶴田
圭介 清水
圭介 清水
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Toyota Auto Body Co Ltd
Toyota Motor Corp
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Toyota Auto Body Co Ltd
Toyota Motor Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Description

本発明は、燃料注入口構造に関し、特に燃料給油口と還元剤補給口とを有する燃料注入口構造に関する。   The present invention relates to a fuel inlet structure, and more particularly, to a fuel inlet structure having a fuel filler port and a reducing agent supply port.

下記特許文献１には、特にディーゼルエンジンにおける排気ガスを浄化する選択還元触媒（SCR：Selective Catalytic Reduction）を備えた車両が開示されている。この車両では、燃料としての軽油を給油する燃料給油口に対して、還元剤としての例えば尿素水溶液を補給する尿素補給口が個別に設けられている。   Patent Document 1 listed below discloses a vehicle equipped with a selective reduction catalyst (SCR: Selective Catalytic Reduction) for purifying exhaust gas particularly in a diesel engine. In this vehicle, a urea replenishing port for replenishing, for example, a urea aqueous solution as a reducing agent is individually provided for a fuel refueling port for refueling light oil as fuel.

特開２００９−２２１８８４号公報JP 2009-221884 A

燃料給油口及び尿素補給口の双方が近接した箇所に配設されていれば、燃料の給油作業並びに尿素水溶液の補給作業の効率を向上させることができる。給油作業並びに補給作業を一緒に行う場合には、燃料給油口の燃料キャップが取外されると共に、尿素補給口の尿素キャップが取外される。このため、例えば尿素補給口から尿素水溶液を補給する際に、誤って燃料給油口に尿素補給ガンが差込まれ、そのまま燃料給油口へ尿素水溶液が給油されてしまう誤給油に関して、改善の余地があった。   If both the fuel refueling port and the urea replenishing port are disposed in close proximity, the efficiency of the fuel refueling operation and the urea aqueous solution replenishing operation can be improved. When performing the refueling operation and the replenishment operation together, the fuel cap of the fuel refueling port is removed and the urea cap of the urea replenishing port is removed. For this reason, for example, when replenishing the urea aqueous solution from the urea replenishing port, there is room for improvement regarding erroneous refueling in which the urea replenishing gun is mistakenly inserted into the fuel refueling port and the urea aqueous solution is refueled as it is. there were.

本発明は上記事実を考慮し、燃料給油口への還元剤の誤給油を効果的に抑制又は防止することができる燃料注入口構造を得ることが目的である。   In view of the above facts, an object of the present invention is to obtain a fuel inlet structure that can effectively suppress or prevent erroneous refueling of the reducing agent to the fuel fuel inlet.

請求項１に記載された発明に係る燃料注入口構造は、車体に設けられた燃料注入部と、燃料注入部が開閉可能とされた注入部開閉カバーと、燃料注入部に設けられ、燃料キャップの取付け取外しが可能とされかつ燃料が給油される燃料給油口と、燃料注入部に燃料給油口と並設され、還元剤キャップの取付け取外しが可能とされかつ還元剤が補給される還元剤補給口と、注入部開閉カバーの燃料注入部側の裏面に設けられ、注入部開閉カバーの開時において燃料給油口に差込まれる還元剤補給ガンと還元剤補給口から取外された還元剤キャップとか干渉する箇所にこの還元剤キャップが仮置きされる還元剤キャップ仮置部と、を備えている。   A fuel injection port structure according to a first aspect of the present invention includes a fuel injection portion provided in a vehicle body, an injection portion opening / closing cover in which the fuel injection portion can be opened and closed, a fuel injection portion provided in the fuel injection portion, and a fuel cap Refueling agent replenishment that can be mounted / removed and the fuel refueling port to which the fuel is refueled, and the fuel refueling port that is provided in parallel with the fuel refueling port at the fuel injection portion and that can be removably attached to the reductant cap A reducing agent replenishment gun that is provided on the back side of the inlet and the fuel injection part side of the injection part opening / closing cover and is inserted into the fuel filler opening when the injection part opening / closing cover is opened, and a reducing agent cap removed from the reducing agent supply opening Or a reducing agent cap temporary placement section in which the reducing agent cap is temporarily placed at a location where the interference occurs.

請求項１に係る燃料注入口構造では、燃料注入部に開閉可能とされた注入部開閉カバーが設けられており、燃料注入部には燃料給油口及び還元剤補給口が並設されている。注入部開閉カバーの開時において、燃料給油口から燃料キャップを取外せば、燃料給油口から燃料を給油することができる。また、注入部開閉カバーの開時において、還元剤補給口から還元剤キャップを取外せば、還元剤補給口から還元剤を補給することができる。   In the fuel injection port structure according to the first aspect, the fuel injection part is provided with an injection part opening / closing cover that can be opened and closed, and the fuel injection part is provided with the fuel supply port and the reducing agent supply port in parallel. When the injection portion opening / closing cover is opened, the fuel can be supplied from the fuel filler port by removing the fuel cap from the fuel filler port. Further, when the injection portion opening / closing cover is opened, the reducing agent can be supplied from the reducing agent supply port by removing the reducing agent cap from the reducing agent supply port.

ここで、注入部開閉カバーの裏面に還元剤キャップ仮置部が設けられている。この還元剤キャップ仮置部では、注入部開閉カバーの開時において燃料給油口に差込まれる還元剤補給ガンと干渉する箇所に還元剤補給口から取外された還元剤キャップが仮置きされる。このため、還元剤キャップ仮置部に還元剤キャップが仮置きされた状態では、還元剤キャップと還元剤補給ガンとが干渉して、燃料給油口へ還元剤補給ガンを差込むことができない。   Here, a reducing agent cap temporary placement portion is provided on the back surface of the injection portion opening / closing cover. In this reducing agent cap temporary placement portion, the reducing agent cap removed from the reducing agent replenishing port is temporarily placed at a location that interferes with the reducing agent replenishing gun inserted into the fuel filler port when the injection portion opening / closing cover is opened. . For this reason, in a state where the reducing agent cap is temporarily placed in the reducing agent cap temporary placement portion, the reducing agent cap and the reducing agent supply gun interfere with each other, and the reducing agent supply gun cannot be inserted into the fuel filler opening.

請求項１に記載された発明に係る燃料注入口構造は、燃料給油口への還元剤の誤給油を効果的に抑制又は防止することができるという優れた効果を有する。   The fuel inlet structure according to the first aspect of the present invention has an excellent effect that it is possible to effectively suppress or prevent erroneous refueling of the reducing agent to the fuel refueling port.

本実施の形態に係る燃料注入口構造が適用された車両全体の側面図である。1 is a side view of an entire vehicle to which a fuel inlet structure according to an embodiment is applied. 本実施の形態に係る燃料注入口構造の燃料注入部及び開時状態における注入部開閉カバーの車両側面視における拡大斜視図である。It is an expansion perspective view in the vehicle side view of the fuel injection part of the fuel inlet structure which concerns on this Embodiment, and the injection part opening-and-closing cover in the open state. 図２に示される燃料注入部及び注入部開閉カバーの拡大平断面図である。FIG. 3 is an enlarged plan sectional view of a fuel injection part and an injection part opening / closing cover shown in FIG. 2. 図３に示される燃料注入部及び注入部開閉カバーを車両後方側から見た一部断面を有する拡大後面図（図３に示されるＡ−Ａ断面図）である。FIG. 4 is an enlarged rear view (a cross-sectional view taken along the line AA shown in FIG. 3) having a partial cross section of the fuel injection part and the injection part opening / closing cover shown in FIG.

以下、図１〜図４を参照し、本発明の一実施の形態に係る燃料注入口構造を説明する。なお、図において適宜示されている矢印ＦＲは車両前方側を示しており、矢印ＵＰは車両上方側を示している。また、矢印ＩＮは車両幅方向内側を示している。   Hereinafter, a fuel inlet structure according to an embodiment of the present invention will be described with reference to FIGS. Note that an arrow FR appropriately shown in the figure indicates the vehicle front side, and an arrow UP indicates the vehicle upper side. An arrow IN indicates the inner side in the vehicle width direction.

（燃料注入口構造の構成）
図１に示される車両１２は、ディーゼルエンジンにおける排気ガスを浄化する図示を省略した選択還元触媒を備えている。この車両１２では、車体側部１４の前輪１６と後輪１８との間の車両前部側にサイドドア開口２０を開閉するスイング式のフロントサイドドア２２が設けられている。また、車体側部１４のフロントサイドドア２２と後輪１８との間に乗降口２４を開閉するスライド式のスライドドア２６が設けられている。 (Configuration of fuel inlet structure)
A vehicle 12 shown in FIG. 1 includes a selective reduction catalyst (not shown) that purifies exhaust gas in a diesel engine. In the vehicle 12, a swing-type front side door 22 that opens and closes the side door opening 20 is provided on the vehicle front side between the front wheel 16 and the rear wheel 18 of the vehicle body side portion 14. Further, a slide type slide door 26 that opens and closes the entrance 24 is provided between the front side door 22 and the rear wheel 18 of the vehicle body side portion 14.

上記車両１２に本実施の形態に係る燃料注入口構造３０が適用されており、燃料注入口構造３０は車体側部１４のフロントサイドドア２２とスライドドア２６との間の車両下部に設けられている。詳しく説明すると、図２〜図４に示されるように、燃料注入口構造３０は、燃料注入部３２と、注入部開閉カバー（フューエルリッド）５０とを備えている。   The fuel inlet structure 30 according to the present embodiment is applied to the vehicle 12, and the fuel inlet structure 30 is provided in the lower part of the vehicle between the front side door 22 and the slide door 26 of the vehicle body side portion 14. Yes. More specifically, as shown in FIGS. 2 to 4, the fuel inlet structure 30 includes a fuel injection portion 32 and an injection portion opening / closing cover (fuel lid) 50.

燃料注入部３２は、図２及び図３に示されるように、車体側部１４の外壁に車両前後方向を長手方向とする矩形状の開口３４を有し、車両幅方向内側へ凹設されている。この燃料注入部３２の底部３６に図示を省略した燃料タンクに接続された燃料給油管４０の燃料給油口４０Ａと、同様に図示を省略した還元剤補給タンクに接続された還元剤補給管４２の還元剤補給口４２Ａとが並設されている。特に配列順序は限定されるものではないが、本実施の形態では、燃料給油口４０Ａが車両前方側に配設され、還元剤補給口４２Ａが燃料給油口４０Ａよりも車両後方側に配設されている。燃料給油口４０Ａに取付け取外しが可能とされた燃料キャップ４４が設けられており、還元剤補給口４２Ａに同様に取付け取外しが可能とされた還元剤キャップ４６が設けられている。図２に示される燃料給油口４０Ａでは燃料キャップ４４が取付け状態にあり、還元剤補給口４２Ａでも還元剤キャップ４６が取付け状態にある。また、図３に示される燃料給油口４０Ａでは燃料キャップ４４が取外し状態にあり、還元剤補給口４２Ａでも還元剤キャップ４６が取外し状態にある。   As shown in FIGS. 2 and 3, the fuel injection part 32 has a rectangular opening 34 having a longitudinal direction in the vehicle front-rear direction on the outer wall of the vehicle body side part 14 and is recessed inward in the vehicle width direction. Yes. A fuel supply port 40A of a fuel supply pipe 40 connected to a fuel tank (not shown) at the bottom 36 of the fuel injection section 32 and a reductant supply pipe 42 connected to a reducing agent supply tank (not shown) are also shown. A reducing agent supply port 42A is provided in parallel. Although the arrangement order is not particularly limited, in the present embodiment, the fuel filler port 40A is disposed on the vehicle front side, and the reducing agent supply port 42A is disposed on the vehicle rear side with respect to the fuel filler port 40A. ing. A fuel cap 44 that can be attached / detached is provided at the fuel filler opening 40A, and a reducing agent cap 46 that is similarly attachable / detachable is provided at the reducing agent supply opening 42A. The fuel cap 44 is in the attached state at the fuel filler opening 40A shown in FIG. 2, and the reducing agent cap 46 is also in the attached state at the reducing agent supply port 42A. Further, the fuel cap 44 is removed at the fuel filler opening 40A shown in FIG. 3, and the reducing agent cap 46 is removed at the reducing agent supply port 42A.

本実施の形態では、車両１２の燃料として例えば軽油が使用される。従って、燃料給油口４０Ａから燃料タンクへ軽油が給油される。選択還元触媒に補給される還元剤として例えばディーゼルエンジンにおけるNOx還元触媒の浄化効率を高める尿素（(NH2)2CO）水溶液が使用される。従って、還元剤補給口４２Ａから還元剤補給タンクへ尿素水溶液が補給される。 In the present embodiment, for example, light oil is used as the fuel for the vehicle 12. Accordingly, light oil is supplied from the fuel supply port 40A to the fuel tank. As a reducing agent replenished to the selective reduction catalyst, for example, a urea ((NH 2 ) 2 CO) aqueous solution that enhances the purification efficiency of the NO x reduction catalyst in a diesel engine is used. Accordingly, the urea aqueous solution is supplied from the reducing agent supply port 42A to the reducing agent supply tank.

注入部開閉カバー５０は、図２〜図４に示されるように、燃料注入部３２の開口３４を開閉可能とし、閉時に開口３４の全域を塞ぎ、開口３４と同等の矩形状を有する板状で形成されている。閉時における注入部開閉カバー５０の周縁部は車両幅方向内側へ折曲げられてフランジ部とされており、注入部開閉カバー５０の剛性が高められている。注入部開閉カバー５０の車両前方側の端部５０Ａは回転ヒンジ５２を介して燃料注入部３２の車両前方側の内壁３８Ａに接続されている。これにより、図２及び図３に示されるように、注入部開閉カバー５０は、燃料注入部３２に対して回転ヒンジ５２を中心として矢印Ｂ方向の車両幅方向外側と内側とへ開閉する構成とされている。注入部開閉カバー５０の車両後方側の端部５０Ｂに燃料注入部３２側へ突出された係合部６０が設けられている。この係合部６０は、燃料注入部３２の車両後方側の内壁３８Ｂの近傍に設けられた被係合孔６２に係合される構成とされている。注入部開閉カバー５０の閉時では、係合部６０は被係合孔６２を通って図示を省略した係合手段により係合状態にあり、燃料注入部３２は注入部開閉カバー５０により塞がれ、この状態が保持される。注入部開閉カバー５０の開時では、係合部６０の係合状態が解除され、注入部開閉カバー５０を開けて燃料注入部３２を露出させ、燃料の給油又は還元剤の補給が可能とされている。   As shown in FIGS. 2 to 4, the injection part opening / closing cover 50 can open and close the opening 34 of the fuel injection part 32, closes the entire area of the opening 34 when closed, and has a rectangular shape equivalent to the opening 34. It is formed with. The peripheral portion of the injection portion opening / closing cover 50 at the time of closing is bent inward in the vehicle width direction to form a flange portion, and the rigidity of the injection portion opening / closing cover 50 is enhanced. An end portion 50A on the vehicle front side of the injection portion opening / closing cover 50 is connected to an inner wall 38A on the vehicle front side of the fuel injection portion 32 via a rotary hinge 52. Accordingly, as shown in FIGS. 2 and 3, the injection portion opening / closing cover 50 opens and closes with respect to the fuel injection portion 32 to the vehicle width direction outer side and the inner side in the arrow B direction around the rotary hinge 52. Has been. An engagement portion 60 that protrudes toward the fuel injection portion 32 is provided at an end portion 50B of the injection portion opening / closing cover 50 on the vehicle rear side. The engaging portion 60 is configured to be engaged with an engaged hole 62 provided in the vicinity of the inner wall 38B of the fuel injection portion 32 on the vehicle rear side. When the injection part opening / closing cover 50 is closed, the engaging part 60 is in an engaged state by an engaging means (not shown) through the engaged hole 62, and the fuel injection part 32 is closed by the injection part opening / closing cover 50. This state is maintained. When the injection part opening / closing cover 50 is opened, the engagement state of the engaging part 60 is released, the injection part opening / closing cover 50 is opened to expose the fuel injection part 32, and fuel supply or replenishment of reductant is enabled. ing.

更に、図２〜図４に示されるように、注入部開閉カバー５０の燃料注入部３２側の裏面５０Ｃに、燃料キャップ仮置部５４が設けられると共に、還元剤キャップ仮置部５６が設けられている。燃料キャップ仮置部５４は、裏面５０Ｃの車両後方側の端部５０Ｂのやや下方側に配設されており、裏面５０Ｃから燃料注入部３２側に突出する中空円筒状の保持部５４Ａを備えている。燃料キャップ仮置部５４の裏面５０Ｃ側に保持部５４Ａよりも拡径とされたフランジ部５４Ｂが設けられており、このフランジ部５４Ｂが裏面５０Ｃに固定されている。燃料キャップ仮置部５４は、注入部開閉カバー５０の開時において、保持部５４Ａの中空円筒状内部に燃料給油口４０Ａから取外された燃料キャップ４４を仮置きする構成とされている。燃料キャップ仮置部５４は、注入部開閉カバー５０と同様の材料、例えば金属材により形成されている。   Further, as shown in FIGS. 2 to 4, a fuel cap temporary placement portion 54 and a reducing agent cap temporary placement portion 56 are provided on the back surface 50 </ b> C of the injection portion opening / closing cover 50 on the fuel injection portion 32 side. ing. The fuel cap temporary placement portion 54 is disposed slightly below the vehicle rear side end portion 50B of the back surface 50C, and includes a hollow cylindrical holding portion 54A that protrudes from the back surface 50C to the fuel injection portion 32 side. Yes. A flange portion 54B having a diameter larger than that of the holding portion 54A is provided on the back surface 50C side of the fuel cap temporary placement portion 54, and the flange portion 54B is fixed to the back surface 50C. The fuel cap temporary placement portion 54 is configured to temporarily place the fuel cap 44 removed from the fuel filler opening 40A inside the hollow cylindrical shape of the holding portion 54A when the injection portion opening / closing cover 50 is opened. The fuel cap temporary placement portion 54 is formed of the same material as the injection portion opening / closing cover 50, for example, a metal material.

一方、還元剤キャップ仮置部５６は、燃料キャップ仮置部５４と並設されて、裏面５０Ｃの車両前方側の端部５０Ａのやや上方側に配設されており、裏面５０Ｃから燃料注入部３２側に突出する中空円筒状の保持部５６Ａを備えている。還元剤キャップ仮置部５６の裏面５０Ｃ側に保持部５６Ａよりも拡径とされたフランジ部５６Ｂが設けられており、このフランジ部５６Ｂが裏面５０Ｃに固定されている。還元剤キャップ仮置部５６は、燃料キャップ仮置部５４と同様に、注入部開閉カバー５０の開時において、保持部５６Ａの中空円筒状外部に還元剤補給口４２Ａから取外された還元剤キャップ４６を仮置きする構成とされている。   On the other hand, the reducing agent cap temporary placement portion 56 is juxtaposed with the fuel cap temporary placement portion 54 and is disposed slightly above the end portion 50A on the vehicle front side of the back surface 50C. A hollow cylindrical holding portion 56A protruding to the 32 side is provided. A flange portion 56B having a diameter larger than that of the holding portion 56A is provided on the back surface 50C side of the reducing agent cap temporary placement portion 56, and the flange portion 56B is fixed to the back surface 50C. Similar to the fuel cap temporary placement portion 54, the reducing agent cap temporary placement portion 56 is removed from the reducing agent supply port 42 </ b> A outside the hollow cylindrical shape of the holding portion 56 </ b> A when the injection portion opening / closing cover 50 is opened. The cap 46 is temporarily placed.

詳しく説明すると、還元剤キャップ仮置部５６は、燃料給油口４０Ａから車体外側へ投影された図３及び図４に破線で示された燃料給油口４０Ａの投影領域４０Ｂと重複する箇所において、保持部５６Ａに還元剤キャップ４６を仮置きする構成とされている。還元剤キャップ４６は、図３に示される注入部開閉カバー５０が最大限開かれたときでも、投影領域４０Ｂと重複する箇所に仮置きされる。注入部開閉カバー５０の最大限の開角度は、閉時状態を０度とすると、例えば９０度〜１２０度である。ここで、還元剤補給口４２Ａから還元剤キャップ４６が取外され、還元剤キャップ４６が還元剤キャップ仮置部５６に仮置きされた状態とする。この状態では、燃料給油口４０Ａから燃料キャップ４４が取外されて、図３及び図４に二点鎖線で示されるように、燃料給油口４０Ａに還元剤補給ガン７０を差込もうとしたとき、還元剤補給ガン７０と仮置きされた還元剤キャップ４６とが干渉する。このため、還元剤補給ガン７０が燃料給油口４０Ａに差込めない。   More specifically, the reductant cap temporary placement portion 56 is held at a location overlapping with the projected region 40B of the fuel filler port 40A shown by the broken lines in FIGS. 3 and 4 projected from the fuel filler port 40A to the outside of the vehicle body. The reducing agent cap 46 is temporarily placed in the portion 56A. The reducing agent cap 46 is temporarily placed at a position overlapping the projection region 40B even when the injection portion opening / closing cover 50 shown in FIG. 3 is fully opened. The maximum opening angle of the injection part opening / closing cover 50 is, for example, 90 degrees to 120 degrees when the closed state is 0 degrees. Here, the reducing agent cap 46 is removed from the reducing agent supply port 42 </ b> A, and the reducing agent cap 46 is temporarily placed on the reducing agent cap temporary placement portion 56. In this state, when the fuel cap 44 is removed from the fuel filler port 40A and the reducing agent replenishment gun 70 is to be inserted into the fuel filler port 40A as shown by a two-dot chain line in FIGS. The reducing agent supply gun 70 interferes with the temporarily placed reducing agent cap 46. For this reason, the reducing agent supply gun 70 cannot be inserted into the fuel filler opening 40A.

（本実施の形態の作用及び効果）
本実施の形態に係る燃料注入口構造３０では、図２〜図４に示されるように、燃料注入部３２に開閉可能とされた注入部開閉カバー５０が設けられており、燃料注入部３２には燃料給油口４０Ａ及び還元剤補給口４２Ａが並設されている。注入部開閉カバー５０の開時において、燃料給油口４０Ａから燃料キャップ４４を取外せば、燃料給油口４０Ａから燃料を給油することができる。また、注入部開閉カバー５０の開時において、還元剤補給口４２Ａから還元剤キャップ４６を取外せば、還元剤補給口４２Ａから還元剤を補給することができる。 (Operation and effect of the present embodiment)
In the fuel inlet structure 30 according to the present embodiment, as shown in FIGS. 2 to 4, the fuel injection part 32 is provided with an injection part opening / closing cover 50 that can be opened and closed. The fuel supply port 40A and the reducing agent supply port 42A are provided side by side. When the injection portion opening / closing cover 50 is opened, the fuel can be supplied from the fuel supply port 40A by removing the fuel cap 44 from the fuel supply port 40A. Further, when the injection part opening / closing cover 50 is opened, the reducing agent can be supplied from the reducing agent supply port 42A by removing the reducing agent cap 46 from the reducing agent supply port 42A.

ここで、注入部開閉カバー５０の裏面５０Ｃに還元剤キャップ仮置部５６が設けられている。この還元剤キャップ仮置部５６では、注入部開閉カバー５０の開時において燃料給油口４０Ａに差込まれる還元剤補給ガン７０と干渉する箇所に還元剤補給口４２Ａから取外された還元剤キャップ４６が仮置きされる。このため、還元剤キャップ仮置部５６に還元剤キャップ４６が仮置きされた状態では、還元剤キャップ４６と還元剤補給ガン７０とが干渉して、燃料給油口４０Ａへ還元剤補給ガン７０を差込むことができない。   Here, a reducing agent cap temporary placement portion 56 is provided on the back surface 50 </ b> C of the injection portion opening / closing cover 50. In the reductant cap temporary placement portion 56, the reductant cap removed from the reductant replenishment port 42A at a location that interferes with the reductant replenishment gun 70 inserted into the fuel filler port 40A when the injection portion opening / closing cover 50 is opened. 46 is temporarily placed. Therefore, in a state where the reducing agent cap 46 is temporarily placed in the reducing agent cap temporary placement portion 56, the reducing agent cap 46 and the reducing agent supply gun 70 interfere with each other, and the reducing agent supply gun 70 is inserted into the fuel filler opening 40A. I can't plug it in.

従って、本実施の形態に係る燃料注入口構造３０によれば、燃料給油口４０Ａへの還元剤の誤給油を効果的に抑制又は防止することができる。   Therefore, according to the fuel inlet structure 30 according to the present embodiment, it is possible to effectively suppress or prevent the erroneous fueling of the reducing agent to the fuel fueling port 40A.

因みに、燃料給油口４０Ａから還元剤が誤給油されてしまうと、エンジン内部に水分が入込むので、エンジンの損傷を招く可能性がある。なお、本実施の形態に係る燃料注入口構造３０は、還元剤キャップ仮置部５６に還元剤キャップ４６が仮置きされた状態では、還元剤キャップ４６と図示を省略した燃料給油ガンとの干渉を生じる場合もある。干渉が生じた場合、燃料給油口４０Ａへ燃料給油ガンを差込むことができない。このとき、燃料給油口４０Ａへ差込まれるガンが燃料給油ガンであるのか、還元剤補給ガンであるのかを再度確認することができる。燃料給油ガンであると確認されれば、還元剤キャップ仮置部５６に仮置きされた還元剤キャップ４６を取外し、燃料給油口４０Ａへ再び燃料給油ガンを差込み、燃料の給油を行うことができる。   Incidentally, if the reducing agent is misfueled from the fuel filler opening 40A, moisture enters the engine, which may cause engine damage. In the fuel inlet structure 30 according to the present embodiment, in the state where the reducing agent cap 46 is temporarily placed in the reducing agent cap temporary placement portion 56, the interference between the reducing agent cap 46 and the fuel supply gun (not shown) is not shown. May occur. When interference occurs, the fuel supply gun cannot be inserted into the fuel supply port 40A. At this time, it can be confirmed again whether the gun inserted into the fuel supply port 40A is a fuel supply gun or a reducing agent supply gun. If the fuel refueling gun is confirmed, the reductant cap 46 temporarily placed in the reductant cap temporary placement section 56 can be removed, and the fuel refueling gun can be reinserted into the fuel refueling port 40A to refuel the fuel. .

また、本実施の形態に係る燃料注入口構造３０では、図２〜図４に示されるように、車体側部１４に凹設された燃料注入部３２に開閉可能とされた注入部開閉カバー５０が設けられている。この注入部開閉カバー５０は、閉時において、燃料注入部３２の開口３４を塞ぐ構成とされている。このため、燃料の給油時又は還元剤の補給時以外では、燃料注入部３２が注入部開閉カバー５０で覆われているので、車両１２の外観上の見栄えを向上させることができる。   Further, in the fuel inlet structure 30 according to the present embodiment, as shown in FIGS. 2 to 4, the injection portion opening / closing cover 50 that can be opened and closed to the fuel injection portion 32 that is recessed in the vehicle body side portion 14. Is provided. The injection part opening / closing cover 50 is configured to close the opening 34 of the fuel injection part 32 when closed. For this reason, since the fuel injection part 32 is covered with the injection part opening / closing cover 50 except when fuel is supplied or when the reducing agent is supplied, the appearance of the vehicle 12 can be improved.

更に、本実施の形態に係る燃料注入口構造３０では、図２〜図４に示されるように、車体側部１４の１箇所に配設された燃料注入部３２に燃料給油口４０Ａ及び還元剤補給口４２Ａが設けられている。この燃料注入部３２は１枚の注入部開閉カバー５０により開閉される構成とされている。このため、燃料給油口４０Ａ、還元剤補給口４２Ａのそれぞれの注入部を個別に形成する場合に対して、製作コストを減少させることができる。   Furthermore, in the fuel inlet structure 30 according to the present embodiment, as shown in FIGS. 2 to 4, the fuel filler 40 </ b> A and the reducing agent are provided in the fuel inlet 32 disposed at one place on the vehicle body side portion 14. A supply port 42A is provided. The fuel injection part 32 is configured to be opened and closed by a single injection part opening / closing cover 50. For this reason, a manufacturing cost can be reduced with respect to the case where each injection | pouring part of the fuel supply port 40A and the reducing agent replenishment port 42A is formed separately.

また、本実施の形態に係る燃料注入口構造３０では、図３及び図４に示されるように、燃料給油口４０Ａの投影領域４０Ｂと重複する箇所で還元剤キャップ４６が還元剤キャップ仮置部５６に仮置きされる。このため、仮置きされた還元剤キャップ４６と誤って燃料給油口４０Ａに差込まれる還元剤補給ガン７０との干渉を確実なものとすることができる。   Further, in the fuel inlet structure 30 according to the present embodiment, as shown in FIGS. 3 and 4, the reducing agent cap 46 is temporarily placed in the reducing agent cap 46 at a location overlapping the projection region 40B of the fuel filler port 40A. 56 is temporarily placed. For this reason, the interference between the temporarily placed reducing agent cap 46 and the reducing agent replenishing gun 70 erroneously inserted into the fuel filler opening 40A can be ensured.

従って、本実施の形態に係る燃料注入口構造３０によれば、還元剤補給ガン７０の燃料給油口４０Ａへの差込みが確実に防止されるので、燃料給油口４０Ａへの還元剤の誤給油をより一層効果的に抑制又は防止することができる。   Therefore, according to the fuel inlet structure 30 according to the present embodiment, the reducing agent replenishment gun 70 is reliably prevented from being inserted into the fuel filler port 40A, so that an incorrect fueling of the reducing agent into the fuel filler port 40A can be prevented. It can be suppressed or prevented even more effectively.

更に、本実施の形態に係る燃料注入口構造３０では、図２〜図４に示されるように、注入部開閉カバー５０の裏面５０Ｃに還元剤キャップ仮置部５６と並設されて燃料キャップ仮置部５４が設けられている。燃料キャップ仮置部５４では、注入部開閉カバー５０の開時において、燃料給油口４０Ａから取外された燃料キャップ４４が仮置きされる。このため、燃料の給油作業において、燃料給油口４０Ａから取外された燃料キャップ４４を燃料給油口４０Ａの近傍の燃料キャップ仮置部５４に仮置きすることができる。   Furthermore, in the fuel inlet structure 30 according to the present embodiment, as shown in FIGS. 2 to 4, a temporary fuel cap is provided in parallel with the reducing agent cap temporary placement portion 56 on the back surface 50 </ b> C of the injection portion opening / closing cover 50. A placement portion 54 is provided. In the fuel cap temporary placement portion 54, the fuel cap 44 removed from the fuel filler opening 40A is temporarily placed when the injection portion opening / closing cover 50 is opened. For this reason, in the fuel supply operation, the fuel cap 44 removed from the fuel supply port 40A can be temporarily placed in the fuel cap temporary placement portion 54 near the fuel supply port 40A.

従って、本実施の形態に係る燃料注入口構造３０によれば、燃料給油口４０Ａから取外された燃料キャップ４４が注入部開閉カバー５０の裏面５０Ｃに仮置き可能とされるので、燃料の給油作業性を向上させることができる。   Therefore, according to the fuel injection port structure 30 according to the present embodiment, the fuel cap 44 removed from the fuel supply port 40A can be temporarily placed on the back surface 50C of the injection unit opening / closing cover 50. Workability can be improved.

［上記実施の形態の補足説明］ [Supplementary explanation of the above embodiment]

本発明は、上記実施の形態に限定されるものではなく、その要旨を逸脱しない範囲において種々変更可能である。本発明には例えば以下の変形例が含まれる。前述の実施の形態は、ディーゼルエンジンを備えた車両を前提とした燃料注入口構造について説明されている。本発明は、ガソリンエンジンを備えかつ選択還元触媒を備えた車両（ハイブリッド車が含まれる）の燃料注入口構造であってもよい。この場合、燃料としては、勿論、ガソリンが使用される。   The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, the following modifications are included in the present invention. In the above-described embodiment, the fuel inlet structure based on a vehicle equipped with a diesel engine has been described. The present invention may be a fuel inlet structure of a vehicle (including a hybrid vehicle) including a gasoline engine and including a selective reduction catalyst. In this case, of course, gasoline is used as the fuel.

また、前述の実施の形態では、車体側部外壁のＢピラーに相当箇所に燃料注入口構造が設けられた例が説明されている。本発明は、車体側部の車両後方側、車体後部、スライドドア内側の乗降口のステップ部分等に燃料注入口構造を設けてもよい。すなわち、燃料注入口構造の燃料注入部は、車体側部、車体後部、ステップ部分等の車体に凹設され、燃料給油口及び還元剤補給口を備えていればよい。更に、燃料注入口構造において、燃料注入部の燃料給油口及び還元剤補給口は、車両上下方向に並設されてもよい。また、燃料注入口構造において、注入部開閉カバーは、車両上下方向に開閉する構成とされてもよい。   Further, in the above-described embodiment, an example in which a fuel inlet structure is provided at a location corresponding to the B pillar on the outer wall of the vehicle body side portion is described. In the present invention, a fuel inlet structure may be provided at the vehicle rear side of the vehicle body side, the vehicle body rear, the step portion of the entrance / exit on the inside of the slide door, and the like. That is, the fuel injection portion of the fuel injection port structure may be recessed in the vehicle body such as the vehicle body side portion, the vehicle body rear portion, the step portion, etc., and include a fuel supply port and a reducing agent supply port. Furthermore, in the fuel injection port structure, the fuel supply port and the reducing agent supply port of the fuel injection unit may be arranged in parallel in the vehicle vertical direction. In the fuel inlet structure, the injection portion opening / closing cover may be configured to open and close in the vehicle vertical direction.

１２ 車両
１４ 車体側部
３０ 燃料注入口構造
３２ 燃料注入部
３４ 開口
４０ 燃料給油管
４０Ａ 燃料給油口
４２ 還元剤補給管
４２Ａ 還元剤補給口
４４ 燃料キャップ
４６ 還元剤キャップ
５０ 注入部開閉カバー
５０Ｃ 裏面
５４ 燃料キャップ仮置部
５４Ａ、５６Ａ 保持部
５６ 還元剤キャップ仮置部
７０ 還元剤補給ガン DESCRIPTION OF SYMBOLS 12 Vehicle 14 Car body side part 30 Fuel-injection structure 32 Fuel-injection part 34 Opening 40 Fuel supply pipe 40A Fuel supply port 42 Reductant supply pipe 42A Reductant supply port 44 Fuel cap 46 Reductant cap 50 Injection part opening / closing cover 50C Back surface 54 Fuel cap temporary placement part 54A, 56A Holding part 56 Reductant cap temporary placement part 70 Reductant supply gun

Claims (1)

車体に設けられた燃料注入部と、
当該燃料注入部が開閉可能とされた注入部開閉カバーと、
前記燃料注入部に設けられ、燃料キャップの取付け取外しが可能とされかつ燃料が給油される燃料給油口と、
前記燃料注入部に前記燃料給油口と並設され、還元剤キャップの取付け取外しが可能とされかつ還元剤が補給される還元剤補給口と、
前記注入部開閉カバーの前記燃料注入部側の裏面に設けられ、前記注入部開閉カバーの開時において前記燃料給油口に差込まれる還元剤補給ガンと前記還元剤補給口から取外された前記還元剤キャップとが干渉する箇所に当該還元剤キャップが仮置きされる還元剤キャップ仮置部と、
を備えた燃料注入口構造。 A fuel injection part provided on the vehicle body;
An injection part opening / closing cover in which the fuel injection part can be opened and closed;
A fuel filler opening provided in the fuel injecting portion, capable of attaching and detaching a fuel cap, and for fueling;
A reductant replenishment port that is arranged in parallel with the fuel refueling port in the fuel injection portion, allows a reductant cap to be attached and removed, and replenishes the reductant;
The reductant replenishment gun which is provided on the back surface of the fuel injection part side of the injection part opening / closing cover and is inserted into the fuel refueling port when the injection part opening / closing cover is opened, and removed from the reductant supply opening A reducing agent cap temporary placement part in which the reducing agent cap is temporarily placed in a place where the reducing agent cap interferes,
Fuel inlet structure with
JP2013198680A 2013-09-25 2013-09-25 Fuel inlet structure Active JP6010770B2 (en)

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