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JP4600115B2 - Oil pan equipment - Google Patents
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JP4600115B2 - Oil pan equipment - Google Patents

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JP4600115B2
JP4600115B2 JP2005090661A JP2005090661A JP4600115B2 JP 4600115 B2 JP4600115 B2 JP 4600115B2 JP 2005090661 A JP2005090661 A JP 2005090661A JP 2005090661 A JP2005090661 A JP 2005090661A JP 4600115 B2 JP4600115 B2 JP 4600115B2
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oil pan
mold member
tank
oil
upper mold
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JP2006274813A (en
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橋 輝 城 長
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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Description

本発明は、車両用エンジンのエンジンオイルを貯留するためのオイルパンに関するものである。   The present invention relates to an oil pan for storing engine oil of a vehicle engine.

図8及び図9に示すように、オイルパン100内部には、油面の位置変動や波立ちを抑える目的でバッフルプレート3が設けられている。バッフルプレート3を設ける場合、通常オイルパン100本体と別部品のバッフルプレート3をスポット溶接(Wpで示す位置)などで固着させているが、薄板での溶接構造と溶着面積が少ない等が原因して、所謂「スポット抜け」が生じ、バッフルプレート3のオイルパン100内部での耐離脱性に対する信頼性が問題となっている。
又、信頼性を確保するためにはスポット打点を増加させなくてはならず、限られたプレートの接触面積内で行うには困難が伴うと共に、コスト上昇の要因ともなっている。
As shown in FIGS. 8 and 9, a baffle plate 3 is provided inside the oil pan 100 for the purpose of suppressing position fluctuations and undulations of the oil level. When the baffle plate 3 is provided, the baffle plate 3 which is a separate part from the oil pan 100 main body is usually fixed by spot welding (position indicated by Wp) or the like, but this is due to the welding structure with a thin plate and a small welding area. As a result, so-called “spot omission” occurs, and the reliability of the baffle plate 3 with respect to the separation resistance within the oil pan 100 becomes a problem.
Further, in order to ensure reliability, it is necessary to increase the spot hitting point, which is difficult to carry out within a limited plate contact area, and also causes an increase in cost.

オイルパンの剛性を高めるためにオイルパン底面に取付けた底カバーにバッフルプレートを連続状に一体成形して構成した技術がある(特許文献1参照)。しかし、係る技術におけるバッフルプレートはオイルパン外部に位置し、エンジンオイルに対するバッフルの機能はない。即ち、バッフルプレートの機能はオイルパン底部(裏面)の剛性アップである。
特開2003−35123号公報
In order to increase the rigidity of the oil pan, there is a technique in which a baffle plate is continuously formed integrally with a bottom cover attached to the bottom of the oil pan (see Patent Document 1). However, the baffle plate in such a technique is located outside the oil pan and has no baffle function for engine oil. That is, the function of the baffle plate is to increase the rigidity of the oil pan bottom (back surface).
JP 2003-35123 A

本発明は上述した従来技術の問題点に鑑みて提案されたものであり、オイルパン部分とバッフルプレートを一体に構成することにより、バッフルプレートの耐離脱性に対する信頼性を向上させたオイルパン装置を提供することを目的とする。   The present invention has been proposed in view of the above-described problems of the prior art, and an oil pan apparatus in which the oil pan portion and the baffle plate are integrally formed to improve the reliability of the baffle plate against the separation resistance. The purpose is to provide.

本発明のオイルパン装置(A)によれば、エンジンの下方に位置し、トレイ状のオイルパン部分(1)とそのオイルパン部分(1)の底部(11)の下側に接合された板金製のタンク部分(2)とより成り、オイルパン部分(1)のタンク部分(2)上方にはオイル落下用の開口部が形成されている車両用エンジンのエンジンオイルを貯留するためのオイルパン装置において、前記オイルパン部分(1)の底部(11)は一方側に下がる平面を成してその下がった側に前記タンク部分(2)が接合されており、そのタンク部分(2)は上型部材(20)と下型部材(30)とで構成された6面体であって、上型部材(20)のフランジ(21)と下型部材(30)のフランジ(31)とがシールされて互いに溶接され、その上記上型部材(20)の上面(22)は前記オイルパン部分の底部(11)の傾斜と同じ傾斜が与えられ、下型部材(30)の底部(32)はオイルパン部分の底部(11)とは反対側に深くなる傾斜が与えられており、そして前記オイルパン部分(1)の底部(11)にはタンク部分(2)の上型部材(20)の上面(22)に含まれる領域に方形の第1の孔(12)が形成され、タンク部分(2)の上型部材(20)の上面(22)には前記方形の第1の孔(12)に含まれる領域にその第一の孔(12)のオイルパン部の浅い側の1辺と平行な底辺を有する第2の孔(23)が形成され、タンク部分(2)の上面(22)がオイルパン部分(1)の底部(11)の裏面に接触され全周溶接(Wc)されて、タンク部分(2)の上型部材(20)がバッフルプレートを形成し、第1および第2の孔(12、23)が前記オイル落下用開口部を形成しており、そして前記オイルパン部分(1)の底部(11)およびタンク部分(2)の下型部材(30)の底部(32)には部分円弧状のビード(13、33)が複数形成されている。 According to the oil pan apparatus (A) of the present invention, a sheet metal located below the engine and joined to the tray-like oil pan portion (1) and the bottom portion (11) of the oil pan portion (1). An oil pan for storing engine oil of a vehicular engine having an oil drop opening formed above the tank portion (2) of the oil pan portion (1). In the apparatus, the bottom part (11) of the oil pan part (1) forms a flat surface that is lowered to one side, and the tank part (2) is joined to the lowered side, and the tank part (2) is The hexahedron is composed of a mold member (20) and a lower mold member (30), and the flange (21) of the upper mold member (20) and the flange (31) of the lower mold member (30) are sealed. They are welded together Te, the said upper mold member (2 ) Is provided with the same inclination as that of the bottom (11) of the oil pan portion, and the bottom (32) of the lower mold member (30) is opposite to the bottom (11) of the oil pan portion. A deep slope is provided, and the bottom (11) of the oil pan portion (1) has a rectangular first in a region contained in the upper surface (22) of the upper mold member (20) of the tank portion (2). Hole (12) is formed, and the upper surface (22) of the upper mold member (20) of the tank portion (2) has a first hole (12) in a region included in the rectangular first hole (12). ), The second hole (23) having a base parallel to one side of the shallow side of the oil pan portion is formed, and the upper surface (22) of the tank portion (2) is the bottom portion (11) of the oil pan portion (1). in contact of the rear surface is circumferential welding (Wc), the upper mold member (20) is buffer tank portions (2) The plates were formed, the bottom (11) and tank portions of the first and second holes (12, 23) is to form the oil dropping opening, and the oil pan portion (1) and (2) A plurality of partial arc-shaped beads (13, 33) are formed on the bottom (32) of the lower mold member (30) .

本発明のオイルパン装置(A)によれば、オイルパン部分(1)とバッフルプレートを兼ねるタンク部分(2)の上型部材(20)が前記接合工程では、接触境界部全周に亙って溶接により一体に接合されているので、バッフルプレート、即ちタンク部分2(の上型部材20)はオイルパンから離脱することはなく、耐離脱性に対する信頼性が飛躍的に向上する。   According to the oil pan apparatus (A) of the present invention, the upper mold member (20) of the oil pan portion (1) and the tank portion (2) that also serves as the baffle plate is placed over the entire contact boundary in the joining step. Therefore, the baffle plate, that is, the tank portion 2 (the upper mold member 20) is not detached from the oil pan, and the reliability with respect to the separation resistance is greatly improved.

タンク部分(2)の上型部材(20)がバッフルプレートを兼ねるので、コスト上昇が抑制される。   Since the upper mold member (20) of the tank portion (2) also serves as a baffle plate, an increase in cost is suppressed.

従来のような板状体のバッフルプレートと異なり、シェル構造のタンク部分(2)の上型部材(20)がバッフルプレートを構成しているので、強度は格段に向上する。   Unlike the conventional plate-like body baffle plate, the upper member (20) of the tank portion (2) of the shell structure constitutes the baffle plate, so that the strength is remarkably improved.

添付図面を参照して、本発明を実施するための最良の形態について説明する。   The best mode for carrying out the present invention will be described with reference to the accompanying drawings.

図1〜図3は、順に当該オイルパン装置Aの平面図、側面図、正面図を示している。   1 to 3 show a plan view, a side view, and a front view of the oil pan apparatus A in order.

図2を参照して、当該オイルパン装置Aはトレイ状のオイルパン部分1とそのオイルパン部分1の底部11の裏面(図示の垂直方向下側)に接合されたタンク部分2とによって構成されている。   Referring to FIG. 2, the oil pan apparatus A includes a tray-shaped oil pan portion 1 and a tank portion 2 joined to the back surface (the lower side in the vertical direction in the drawing) of the bottom portion 11 of the oil pan portion 1. ing.

オイルパン部分1は図示の左方が右方に比べて深く、底部11は基本面が、左方側が下がる平面を成している。尚、オイルパン部分1の上方の開放部の外縁部にはフランジ部14が水平方向外方に向かって形成されている。   The oil pan portion 1 is deeper on the left side than the right side in the drawing, and the bottom portion 11 has a basic surface and a flat surface on the left side. A flange portion 14 is formed outward in the horizontal direction at the outer edge portion of the open portion above the oil pan portion 1.

前記タンク部分2は、上型部材20と下型部材30とから構成されている。
その上型部材20と下型部材30とは、共に各面が交差する領域が円弧によって丸められた6面体(直方体)であって、その6面体の一面のみが開放された箱型形状であり、開放された一面は水平方向外方に向かってフランジ21(上型部材20側)、フランジ31(下型部材30側)が形成されている。
The tank portion 2 includes an upper mold member 20 and a lower mold member 30.
The upper mold member 20 and the lower mold member 30 are both hexahedrons (cuboids) in which regions intersecting each other are rounded by an arc, and only one surface of the hexahedron is opened. The opened surface is formed with a flange 21 (upper mold member 20 side) and a flange 31 (lower mold member 30 side) outward in the horizontal direction.

そのフランジ21とフランジ31は同様の形状であり、フランジ先端部が溶接によって液密に接合され、容器(タンク)状に形成されている。
即ち、接合面Fwから上方に見る上型部20の投影面と、接合面から下方に見る下型部材30の投影面とは同様である。
前記溶接方法は、例えば突合せ溶接が好ましいが、フランジ面21、31を重ねてシーム溶接によって接合しても良い。
The flange 21 and the flange 31 have the same shape, and the flange tip is joined in a liquid-tight manner by welding to form a container (tank) shape.
That is, the projection surface of the upper die member 20 to view upward from the joint surface Fw, is similar to the projection surface of the lower mold member 30 to look downward from the joint surface.
The welding method is preferably butt welding, for example, but the flange surfaces 21 and 31 may be overlapped and joined by seam welding.

前記タンク部分2の上型部材20の上面22には、前記オイルパン部分1の底部11の傾斜と同じ傾斜が与えられている。
一方、タンク部分2の下型部材30の底部32には、オイルパン底部11およびタンク上型部材20の上面22とは反対側に図示の右方側が深くなるような傾斜が与えられている。
The upper surface 22 of the upper mold member 20 of the tank portion 2 is provided with the same inclination as the inclination of the bottom portion 11 of the oil pan portion 1.
On the other hand, the bottom portion 32 of the lower mold member 30 of the tank portion 2 is provided with an inclination so that the right side in the drawing is deeper on the opposite side of the oil pan bottom portion 11 and the upper surface 22 of the tank upper mold member 20.

オイルパン部分1とタンク部分2の接合に際しては、タンク部分2の左方先端部をオイルパン部分1の先端部近傍に配置し、タンク部分2の上面22をオイルパン1の底部11の裏面に接触させた後、互いの接触境界部分を、例えば、隅肉溶接Wcによって全周溶接している(図2及び図3参照)。   When joining the oil pan portion 1 and the tank portion 2, the left end portion of the tank portion 2 is disposed near the tip portion of the oil pan portion 1, and the upper surface 22 of the tank portion 2 is placed on the back surface of the bottom portion 11 of the oil pan 1. After the contact, the contact boundary portions of each other are welded all around by fillet welding Wc, for example (see FIGS. 2 and 3).

前記オイルパン部分1の底部11でタンク部2の上型部20の上面22に含まれる領域には図示の例では、4隅が円弧によって丸められた四角な孔(窓)12が形成されている(図1参照)。 Wherein in the illustrated example is in the area included in the upper surface 22 of the oil pan part 1 of the bottom 11 in the tank section 2 of the upper die member 20, a square holes which four corners are rounded by an arc (window) 12 is formed (See FIG. 1).

一方、タンク部分2の上型部材20の上面22で、前記四角な窓12の領域には、図示の例では3隅が円弧によって丸められた三角の孔(窓)23が形成されている(図1参照)。
即ち、オイルパン部分1とタンク部2とはその三角の孔23によって連通している。
On the other hand, on the upper surface 22 of the upper mold member 20 of the tank portion 2, a triangular hole (window) 23 whose three corners are rounded by an arc in the illustrated example is formed in the area of the rectangular window 12 ( (See FIG. 1).
That is, the oil pan portion 1 and the tank portion 2 communicate with each other through the triangular hole 23.

前記オイルパン部分1の底部11には剛性確保のために断面形状(図示せず)が部分円弧のビード13が複数形成されている。尚、図3ではビード13は省略されている。   The bottom 11 of the oil pan portion 1 is formed with a plurality of beads 13 whose sectional shape (not shown) has a partial arc in order to ensure rigidity. In FIG. 3, the bead 13 is omitted.

一方、タンク部分2の下型部材30の底部32にも剛性確保のために断面形状が部分円弧のビード33が複数形成されている(図3参照)。
尚、図示はしていないが、タンク部分2の上型部材20の上面22にも下方向に凸のビードを形成しても良い。
On the other hand, the bottom 32 of the lower mold member 30 of the tank portion 2 is also formed with a plurality of beads 33 having a partial arc in cross section to ensure rigidity (see FIG. 3).
Although not shown, a downwardly convex bead may also be formed on the upper surface 22 of the upper mold member 20 of the tank portion 2.

次に、図4〜図7を参照して本実施形態におけるオイルパン装置Aの製造工程について以下に説明する。   Next, with reference to FIGS. 4-7, the manufacturing process of the oil pan apparatus A in this embodiment is demonstrated below.

先ず、最初の工程である図4は、オイルパン部分1を図示では明確ではないが、プレス機によってプレス成形する状態を示している。
尚、図4では、オイルパンの素材である薄板鋼板は、図示しないダイ(プレス下型)に載置され、ポンチP1(プレス上型)によって既に成形されており、今まさにポンチP1を、成形されたオイルパン1から抜き出す状態を示している。
図4中、ポンチP1の先端部(突起)P12は、オイルパン1の前記四角な窓12と同じ形状であって、プレス成形の際に同時にその窓12を打ち抜き加工している。
First, FIG. 4 which is the first step shows a state in which the oil pan portion 1 is press-molded by a press machine, although it is not clear in the drawing.
In FIG. 4, the thin steel plate, which is the material of the oil pan, is placed on a die (lower press die) (not shown) and already formed by the punch P1 (press upper die), and the punch P1 is now formed. The state extracted from the oil pan 1 is shown.
In FIG. 4, the tip (protrusion) P12 of the punch P1 has the same shape as the square window 12 of the oil pan 1, and the window 12 is punched at the same time as the press molding.

次の工程である図5では、タンクの上型部材20をオイルパン部分1の時と同様、プレス機によってプレス成形する状態を示している。
図5では、タンクの上型部材20の素材である薄板鋼板は、図示しないダイ(プレス下型)に載置され、ポンチP20(プレス上型)によって既に成形されており、今まさにポンチP20を、成形されたタンクの上型部材20から抜き出す状態を示している。
図5では、図2,3とは異なって、上型部材20の上面22が下方側に反転された状態で示されている。
図5中、ポンチP20の先端部P23は、上型部材20の前記三角の窓23と同じ形状であって、プレス成形の際に同時にその窓23を打ち抜き加工している。
In the next step, FIG. 5, a state is shown in which the upper mold member 20 of the tank is press-molded by a press machine as in the case of the oil pan portion 1.
In FIG. 5, the thin steel plate, which is the material of the upper mold member 20 of the tank, is placed on a die (not shown) and is already formed by the punch P20 (press upper mold). The state which is extracted from the upper mold member 20 of the molded tank is shown.
5, unlike FIG.2, 3, the upper surface 22 of the upper mold | type member 20 is shown in the state inverted by the downward side.
In FIG. 5, the front end portion P23 of the punch P20 has the same shape as the triangular window 23 of the upper mold member 20, and the window 23 is punched at the same time as the press molding.

タンク部分2の下型部材30のプレス成形の工程も、上述した上型部材20と同様にして行われるが、下型部材30には抜き窓が無く(プレス機のポンチにも打ち抜き用の突起は無い)、打ち抜き加工は含まれない。 The press molding process of the lower mold member 30 of the tank portion 2 is also performed in the same manner as the upper mold member 20 described above, but the lower mold member 30 has no extraction window (a punch for punching on the punch of the press machine). Does not include punching.

次の工程図である図6では、タンク部材2の上型部材20及び下型部材30が開口部側のフランジ21,31を合わされ、図示しない治具によって仮止めされる。
そして仮止めされた状態で、フランジ21,31の先端を全周に亙って液密に突合せ溶接Wする。尚、図6における符号5は溶接棒の先端を示す。
又、図示では示さないが、フランジ21,31の幅を増加させ、フランジ二面を圧着するようにシーム溶接してもよい。
In FIG. 6, which is the next process chart, the upper mold member 20 and the lower mold member 30 of the tank member 2 are joined with the flanges 21 and 31 on the opening side and temporarily fixed by a jig (not shown).
Then, with the temporarily fixed state, the ends of the flanges 21 and 31 are liquid-tight butt welded W over the entire circumference. In addition, the code | symbol 5 in FIG. 6 shows the front-end | tip of a welding rod.
Further, although not shown in the drawing, the width of the flanges 21 and 31 may be increased and seam welding may be performed so that the two flange surfaces are crimped.

最終工程である図7では、図6の工程で一体化されたタンク部分2をオイルパン部分1の底部11に接合する工程を示している。
オイルパン部分の底部11とタンク部分2の上型部材20上面22との接する境界部を全周に亙って、図示の例では液密に隅肉溶接Wcを施す。
FIG. 7 which is the final process shows a process of joining the tank part 2 integrated in the process of FIG. 6 to the bottom part 11 of the oil pan part 1.
The fillet weld Wc is applied in a liquid-tight manner in the illustrated example over the entire circumference of the boundary between the bottom 11 of the oil pan portion and the upper surface 20 of the upper mold member 20 of the tank portion 2.

図4〜図7の工程は、オイルパン部分1及びタンク部分2が共に板金で構成されていることを条件とするが、タンク部分を例えば耐熱性の樹脂で一体に形成し、オイルパン部分1とタンク部分の接合は、例えばエポキシ系の接着剤で液密に接合しても良い。   The steps of FIGS. 4 to 7 are based on the condition that the oil pan portion 1 and the tank portion 2 are both made of sheet metal, but the tank portion is integrally formed of, for example, a heat resistant resin, and the oil pan portion 1 The tank part may be joined in a liquid-tight manner with, for example, an epoxy adhesive.

上述したように、本実施形態のオイルパン装置及びその製造方法によれば、オイルパン部分1とバッフルプレートを兼ねるタンク部分2の上型部材20が接合工程では、接触境界部全周に亙って溶接により一体に接合されているので、バッフルプレート、即ちタンク部分2の上型部材20はオイルパン部分1から離脱することはなく、耐離脱性に対する信頼性が飛躍的に向上する。   As described above, according to the oil pan apparatus and the manufacturing method thereof according to the present embodiment, the upper mold member 20 of the tank portion 2 serving also as the oil pan portion 1 and the baffle plate is placed over the entire contact boundary portion in the joining process. Thus, the baffle plate, that is, the upper mold member 20 of the tank portion 2 is not detached from the oil pan portion 1 and the reliability with respect to the separation resistance is greatly improved.

また、タンク部分2の上型部材20がバッフルプレートを兼ねるので、コスト上昇が抑制される。   Moreover, since the upper mold member 20 of the tank portion 2 also serves as a baffle plate, an increase in cost is suppressed.

更に、従来のような板状体のバッフルプレートと異なり、シェル構造のタンク部分2の上型部材20がバッフルプレートを形成しているので、強度は格段に向上する。   Further, unlike the conventional plate-like baffle plate, the upper mold member 20 of the tank portion 2 having the shell structure forms the baffle plate, so that the strength is remarkably improved.

本発明の実施形態であるオイルパン装置の平面図。The top view of the oil pan apparatus which is embodiment of this invention. 本発明の実施形態であるオイルパン装置の側断面図。The side sectional view of the oil pan device which is an embodiment of the present invention. 本発明の実施形態であるオイルパン装置の正面図。The front view of the oil pan apparatus which is embodiment of this invention. 本発明の実施形態であって当該オイルパン装置の製造のオイルパンのプレス成形工程を示す工程図。Process drawing which is an embodiment of the present invention and shows a press molding process of an oil pan for manufacturing the oil pan apparatus. 本発明の実施形態であって当該オイルパン装置の製造のタンク部分のプレス成形工程を示す工程図。The process drawing which is the embodiment of the present invention and shows the press molding process of the tank part for manufacturing the oil pan apparatus. 本発明の実施形態であって当該オイルパン装置の製造においてタンク部分の上型部材・下型部材の一体接合工程を示す工程図。Process drawing which is an embodiment of the present invention and shows an integral joining process of an upper mold member and a lower mold member of a tank part in the production of the oil pan apparatus. 本発明の実施形態であって当該オイルパン装置の製造においてオイルパン部分1とタンク部分の接合工程を示す工程図。Process drawing which is an embodiment of the present invention and shows the joining process of the oil pan portion 1 and the tank portion in the production of the oil pan apparatus. 従来技術におけるオイルパンの上面図。The top view of the oil pan in a prior art. 図8に対応する側断面図。FIG. 9 is a side sectional view corresponding to FIG. 8.

符号の説明Explanation of symbols

A・・・オイルパン装置
W・・・突合せ溶接
Wc・・・隅肉溶接
1・・・オイルパン部分
2・・・タンク部分
5・・・溶接棒
11・・・底部
12・・・四角な窓
13・・・ビード
14・・・フランジ
20・・・上型部材
21・・・フランジ
22・・・上面
23・・・三角の窓
30・・・下型部材
31・・・フランジ
32・・・底部
33・・・ビード
A ... Oil pan device W ... Butt welding
Wc ... fillet weld 1 ... oil pan part 2 ... tank part 5 ... welding rod 11 ... bottom 12 ... square window 13 ... bead 14 ... flange 20 .... Upper mold member 21 ... Flange 22 ... Upper surface 23 ... Triangular window 30 ... Lower mold member 31 ... Flange 32 ... Bottom 33 ... Bead

Claims (1)

エンジンの下方に位置し、トレイ状のオイルパン部分(1)とそのオイルパン部分(1)の底部(11)の下側に接合された板金製のタンク部分(2)とより成り、オイルパン部分(1)のタンク部分(2)上方にはオイル落下用の開口部が形成されている車両用エンジンのエンジンオイルを貯留するためのオイルパン装置において、前記オイルパン部分(1)の底部(11)は一方側に下がる平面を成してその下がった側に前記タンク部分(2)が接合されており、そのタンク部分(2)は上型部材(20)と下型部材(30)とで構成された6面体であって、上型部材(20)のフランジ(21)と下型部材(30)のフランジ(31)とがシールされて互いに溶接され、その上記上型部材(20)の上面(22)は前記オイルパン部分の底部(11)の傾斜と同じ傾斜が与えられ、下型部材(30)の底部(32)はオイルパン部分の底部(11)とは反対側に深くなる傾斜が与えられており、そして前記オイルパン部分(1)の底部(11)にはタンク部分(2)の上型部材(20)の上面(22)に含まれる領域に方形の第1の孔(12)が形成され、タンク部分(2)の上型部材(20)の上面(22)には前記方形の第1の孔(12)に含まれる領域にその第一の孔(12)のオイルパン部の浅い側の1辺と平行な底辺を有する第2の孔(23)が形成され、タンク部分(2)の上面(22)がオイルパン部分(1)の底部(11)の裏面に接触され全周溶接(Wc)されて、タンク部分(2)の上型部材(20)がバッフルプレートを形成し、第1および第2の孔(12、23)が前記オイル落下用開口部を形成しており、そして前記オイルパン部分(1)の底部(11)およびタンク部分(2)の下型部材(30)の底部(32)には部分円弧状のビード(13、33)が複数形成されていることを特徴とするオイルパン装置。 An oil pan comprising a tray-shaped oil pan portion (1) and a sheet metal tank portion (2) joined to the lower side of the bottom portion (11) of the oil pan portion (1), located below the engine. In an oil pan apparatus for storing engine oil of a vehicle engine in which an opening for oil dropping is formed above a tank portion (2) of the portion (1), the bottom of the oil pan portion (1) ( 11) has a flat surface that is lowered to one side, and the tank portion (2) is joined to the lower side, and the tank portion (2) includes an upper mold member (20) and a lower mold member (30). The flange (21) of the upper mold member (20) and the flange (31) of the lower mold member (30) are sealed and welded to each other, and the upper mold member (20) Is the oil pan portion. The same inclination as the inclination of the bottom part (11) is provided, and the bottom part (32) of the lower mold member (30) is provided with an inclination that becomes deeper on the side opposite to the bottom part (11) of the oil pan part, and the oil The bottom portion (11) of the pan portion (1) is formed with a rectangular first hole (12) in a region included in the upper surface (22) of the upper mold member (20) of the tank portion (2). 2) On the upper surface (22) of the upper mold member (20), there is one side on the shallow side of the oil pan of the first hole (12) in the region included in the first hole (12) of the square shape. A second hole (23) having a parallel bottom is formed, and the upper surface (22) of the tank portion (2) is brought into contact with the back surface of the bottom (11) of the oil pan portion (1) and is welded all around (Wc). Te, the upper die member of the tank portion (2) (20) forms a baffle plate, first and second holes 12, 23) is to form the oil dropping opening, and the bottom of the oil pan portion (1) (11) and the bottom of the lower mold member (30) of the tank parts (2) to (32) An oil pan apparatus comprising a plurality of partial arc-shaped beads (13, 33).
JP2005090661A 2005-03-28 2005-03-28 Oil pan equipment Expired - Fee Related JP4600115B2 (en)

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Publication number Priority date Publication date Assignee Title
JP4625442B2 (en) * 2006-12-15 2011-02-02 本田技研工業株式会社 Engine oil pan structure
DE102009055138B4 (en) * 2009-12-22 2020-03-05 Elringklinger Ag Oil pan with a bottom section offset upwards
CN104343488A (en) * 2014-11-06 2015-02-11 常州市鹰皇冠进出口有限公司 Oil sump

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JPS6047813U (en) * 1983-09-09 1985-04-04 東京ラヂエ−タ−製造株式会社 Oil pan for internal combustion engines
JPH07293328A (en) * 1994-04-27 1995-11-07 Nissan Motor Co Ltd Oil pan damping structure for internal combustion engine

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