EP1728982B9 - Device and method for mounting a component in an oil sump - Google Patents

Device and method for mounting a component in an oil sump Download PDF

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Publication number
EP1728982B9
EP1728982B9 EP06002968A EP06002968A EP1728982B9 EP 1728982 B9 EP1728982 B9 EP 1728982B9 EP 06002968 A EP06002968 A EP 06002968A EP 06002968 A EP06002968 A EP 06002968A EP 1728982 B9 EP1728982 B9 EP 1728982B9
Authority
EP
European Patent Office
Prior art keywords
component
securing device
oil pan
base member
locking portion
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.)
Not-in-force
Application number
EP06002968A
Other languages
German (de)
French (fr)
Other versions
EP1728982A2 (en
EP1728982B1 (en
EP1728982A3 (en
Inventor
Marco Rosendahl
Markus Beer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IBS Filtran GmbH
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IBS Filtran GmbH
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Filing date
Publication date
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Publication of EP1728982A2 publication Critical patent/EP1728982A2/en
Publication of EP1728982A3 publication Critical patent/EP1728982A3/en
Publication of EP1728982B1 publication Critical patent/EP1728982B1/en
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Publication of EP1728982B9 publication Critical patent/EP1728982B9/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0054—Fastening to the cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0079—Oilsumps with the oil pump integrated or fixed to sump

Definitions

  • the invention relates to a fastening device and a method for fastening a component in an oil pan, in particular a metallic oil pan.
  • Fastening devices for mounting a component in an oil pan are known.
  • WO 02/46584 A1 a metal oil pan with integrated oil filter, where the oil filter is mounted in the sump via a fastener.
  • the shell of the oil filter is fastened by rivets directly to the oil pan.
  • rivets are introduced, at the ends of fastening tabs are attached, which clamp the housing of the filter in the oil pan.
  • the oil pan comprises a cover which can be latched to the main body of the oil pan.
  • a filter cartridge is releasably secured between the cover and the oil pan.
  • the invention has for its object to provide a fastening device for components in oil pans, which makes it possible to compensate for mounting tolerances easy to attach the attachment device in the oil pan easy and can bring the component easily and accurately.
  • the object is in a fastening device which consists of a base and at least one arranged on the base holding part for producing a preferably reversibly releasable, substantially positive connection with a component, wherein the base is connected to the oil pan, achieved in that the holding part Part of the base is and the holding part is bent over a foldable area.
  • the base part is a sheet metal strip. These are inexpensive to produce and can be well provided with fold areas.
  • the base part, in particular the sheet-metal strip may consist of individual sections, which may be arranged on several areas of the oil pan for mounting one or more components, or be designed as a closed ring in order to achieve an optimal adaptation to the respective component.
  • the component has a locking portion.
  • This locking portion around a connection between the connecting element and component can be made by bending the holding part in a particularly simple manner.
  • the locking portion is advantageously the outer contour of the component, since at this area a gripping with the holding part is particularly well possible.
  • the shape of the base is also advantageously adapted to the shape of the locking portion of the component to create an optimal connection.
  • the holding part comprises the locking portion of the component partially positively.
  • the holding part comprises the locking portion of the component completely positive fit. In this case, a particularly dense connection between the component and the oil pan is possible.
  • a seal is provided between the base and locking portion.
  • the seal can be introduced into the fastening part.
  • a seal may be provided between base and sump.
  • the seal can be introduced in a simple manner, since it only has to be introduced between the base body and the locking section or oil sump.
  • the seal is an adhesive.
  • connection between the oil pan and the base part is made by adhesive.
  • Adhesive can be applied easily and variable in particular adapted to the component shape. By gluing itself, the component can be positioned more accurately, because on the one hand, the adhesive area is specified directly, for example by imprints on the tub surface.
  • the alignment of the fastening device is also very easily possible because the component is still movable for a limited period of time until the maximum holding force is achieved by curing the adhesive.
  • the application of the adhesive and the subsequent attachment of the fastening device represents a significant manufacturing step reduction. The installation of the fastening device can thereby be carried out independently of the process step before or after the machining of the trough.
  • the adhesive in addition to the holding forces and a seal still possible existing leaks is achieved.
  • For the adhesive is advantageously applied both for the seal and for attachment as a bead.
  • the invention provides that with a fastener two or more components can be attached simultaneously.
  • holding parts are arranged on opposite sides of the base body.
  • the oil pan is advantageously an oil pan for internal combustion engines or for an automatic transmission for motor vehicles.
  • the component may be an oil filter unit, a magnet, a sensor, a pump or the like.
  • Fig. 1 is an oil pan 1 made of metal in exploded view. Attached to it is a fastening device 2, which has a base part 3 and holding parts 5 which are connected to one another via a folding area 4.
  • the holding parts 5 are arranged in sections on the base part 3; However, it is also possible to provide a completely circumferential holding part 5.
  • the fastening device 2 is made of sheet metal and has in cross-section substantially two legs and a leg connecting portion, wherein the one leg as the base part 3 and the other leg is formed as the holding part 5.
  • the connecting portion forms in the installed state, when the holding part 5 is folded, a folding area 4.
  • the holding parts 5 are due to the Blechverformbarkeit in the manner of a sheet metal tongue or flanging relative to the base 3 foldable while the base 3 fixed to the bottom of sheet metal manufactured sump 1 is attached.
  • the oil filter unit 6 is mounted in the oil pan 1.
  • the oil filter unit 6 has a housing 7 made of plastic, which consists of a filter bottom shell 7a and a filter top shell 7b. Between filter lower shell 7a and filter upper shell 7b, a filter medium 8 is introduced. An oil outlet 9 is located on the filter top shell 7b. An oil inlet 10 is arranged on the filter bottom shell.
  • the oil is sucked in from the oil sump via the oil inlet 10 in the lower filter shell 7a, passes through the filter medium 8 into the upper filter shell 7b and is supplied from there via the oil outlet 9 to the circulation again.
  • the filter lower shell 7a filtered-out residues are deposited.
  • a substantially planar base surface 11 is formed, on which the fastening device 2 is mounted.
  • the base surface is formed as an embossing in the oil pan 1 and enters into the interior of the oil pan 1 inside.
  • the course of the base surface corresponds to the outer edge of the oil pan 1 and, accordingly, the fastening device 2 is mounted along the outer edge of the oil pan.
  • Adjacent to the inside of the base surface 11, a bead 12 is arranged, which serves during assembly for positional positioning of the filter bottom shell 7a.
  • the filter lower shell 7a of the housing 7 is designed to be open at the bottom, so that a closed unit is formed by the oil pan bottom region 1a within the base surface 11 with the housing parts 7a and 7b.
  • a protruding edge which represents the outer contour and completely revolves around the lower filter shell 7a is provided as the locking section 13.
  • the edge or locking portion 13 may be formed directly on the filter bottom shell 7a, or indirectly by being formed on a separate support frame to which the filter bottom shell 7a is attached.
  • a predetermined bending point 4a which is located on the holding part along the predetermined position of the upper edge of the locking portion 13, and along which the holding part 5 on the locking portion 13th is bent.
  • the fastening device 2 forms a flanging frame which circumscribes the oil filter unit 6 and which holds the oil filter unit 6 above its projecting edge at the bottom of the oil pan 1.
  • adhesive 14 is introduced for fastening the fastening device 2 on the oil pan.
  • the adhesive 14 may be punctual or continuous circumferential bead are applied.
  • the gluing process allows accurate positioning of the crimping frame which the fastening device 2 forms, so that the oil filter unit can be positioned correspondingly accurately in the oil sump.
  • the base part 3 and the base surface 11, as in the illustrated exemplary embodiment run completely circumferentially as a closed ring and are adapted to the outer contour of the oil filter unit 6, a continuous sealing of the filter lower shell 7a with the base surface 11 also seals the cavity between the filter lower shell 7a and the underlying oil pan bottom region 1a. This has the advantage that there can be no unwanted deposition, such as oil sump.
  • the better sealing effect is achieved when the adhesive is applied as a bead. This seal can also be achieved or even enhanced if between the base part 3 of the fastening device 2 and the locking portion 13 adhesive (not shown) is introduced. By bonding between the locking portion 13 and base 3 additional holding forces between oil filter unit 6 and oil pan 1 can be achieved.
  • the 4 and 5 show a section of two embodiments for bridging curve sections of the outer contour of a component.
  • the holding part 5 has been made in one piece along the curve, whereas in FIG Fig. 5 the holding parts 5 experience a break in the curve area.
  • Fig. 5 further shows the predetermined bending point 4a, along which the bending takes place on a locking portion 13 of a component.
  • the holding parts 5 are arranged on both sides of the base part 3 of the fastening device 2 in order to enable attachment of at least two components (not shown) to a fastening device 2.
  • the holding parts 5 are in the direction of arrows in Fig. 5 bent over in order to achieve a connection of the component with the oil sump.
  • components can also be magnets for filtering out metal chips from the oil, sensors or pumps with which the medium is conveyed.
  • FIG. 6 an alternative embodiment for gluing the fastening device 2 'in the oil pan 1 is illustrated.
  • Fig. 6 further shows an alternative embodiment of the oil filter unit 6 '.
  • the same parts as in the embodiments described above are provided with the same reference numerals.
  • the oil filter unit 6 ' is composed of the filter top shell 7b, a bottom region 16 of the oil pan 1 and a carrier frame 17 which tightly connects the filter top shell 7b and the bottom region 16 of the oil pan 1 educated.
  • the carrier frame 17 is connected to the metallic oil sump 1 along the entire circumference of the upper filter shell 7b via a crimping frame 18, which has the base part 3, fold 4 and holding part 5 as described above.
  • a filter medium is arranged (not shown).
  • Carrier frame 17 and filter top shell 7b are each made of plastic and tightly connected to each other in a known manner.
  • the hemming frame 18 is welded to the oil pan 1 via its base part 3. Behind the free end of the base part 3 and parallel thereto, a groove 19 in the base part is present, which is open to the base area 11.
  • the groove 19 is bounded on the side facing away from the base 3 by an edge 20 which rests on the base area 11 adjacent to the bead 12.
  • Oil-tight adhesive is introduced into the area formed by the groove 19, the edge 16 and the base area 11, so that the base part 3 closes tightly to the base area 11 over the entire length of the beading frame 18.
  • the bead 12 in turn serves on the one hand for prefixing and pre-positioning of the support frame 17 and on the other hand it prevents undesired penetration of adhesive into the interior of the oil filter unit 6 '.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Food-Manufacturing Devices (AREA)
  • Connection Of Plates (AREA)
  • General Details Of Gearings (AREA)

Abstract

The device has a retainer part (5) arranged at a base part (3) for producing a reversible detachable, form fit connection with a component e.g. pump. The base part is connected with an oil pan, where the retainer part is an integral part of the base part and bendable over a foldable area (4). The connection between the oil pan and the base part is produced by an adhesive. The form of the base part adapts to a locking section of the component. An independent claim is also included for a method of fixing a component in the oil pan.

Description

Die Erfindung betrifft eine Befestigungsvorrichtung und ein Verfahren zur Befestigung eines Bauteils in einer Ölwanne, insbesondere einermetallischen Ölwanne.The invention relates to a fastening device and a method for fastening a component in an oil pan, in particular a metallic oil pan.

Befestigungsvorrichtungen zum Anbringen eines Bauteils in einer Ölwanne sind bekannt. Beispielsweise offenbart WO 02/46584 A1 eine Metallölwanne mit integriertem Ölfilter, bei der der Ölfilter über ein Befestigungsmittel in der Ölwanne angebracht ist. Hierfür wird in einer Ausführungsform die Schale des Ölfilters mittels Nieten direkt an der Ölwanne befestigt. Alternativ werden in einer zweiten Ausführungsform Nieten eingebracht, an deren Enden Befestigungslaschen angebracht sind, die das Gehäuse des Filters in der Ölwanne festklemmen. Diese Ausführungsformen weisen den Nachteil auf, dass eine Vielzahl von Arbeitsschritten notwendig ist, um die Verbindung zwischen Ölwanne und Ölfilter herzustellen. Des weiteren ist aufgrund der Tatsache, dass Bohrungen zum Einbringen der Nieten hergestellt werden müssen, ein Ausgleichen eventuell vorhandener Toleranzen hinsichtlich der Anbringpunkte aufgrund der Form des Ölfilters oder der Ölwanne nur unter grossem Aufwand möglich.Fastening devices for mounting a component in an oil pan are known. For example disclosed WO 02/46584 A1 a metal oil pan with integrated oil filter, where the oil filter is mounted in the sump via a fastener. For this purpose, in one embodiment, the shell of the oil filter is fastened by rivets directly to the oil pan. Alternatively, in a second embodiment, rivets are introduced, at the ends of fastening tabs are attached, which clamp the housing of the filter in the oil pan. These embodiments have the disadvantage that a large number of work steps is necessary in order to establish the connection between oil sump and oil filter. Furthermore, due to the fact that holes must be made for introducing the rivets, a compensation of any existing tolerances in terms of mounting points due to the shape of the oil filter or the oil pan only with great effort possible.

Aus der US 2002/059763 ist eine Ölwanne mit einer Befestigungsvorrichtung zur Befestigung eines Teils der Ölwanne gemäß Oberbegriff von Anspruch 1 bekannt. Die Ölwanne umfasst eine Abdeckung, die mit dem Grundkörper der Ölwanne verrastbar ist. Eine Filterpatrone ist lösbar zwischen der Abdeckung und der Ölwanne befestigt.From the US 2002/059763 an oil pan with a fastening device for fixing a part of the oil pan according to the preamble of claim 1 is known. The oil pan comprises a cover which can be latched to the main body of the oil pan. A filter cartridge is releasably secured between the cover and the oil pan.

Der Erfindung liegt die Aufgabe zugrunde, eine Befestigungsvorrichtung für Bauteile in Ölwannen bereitzustellen, die es ermöglicht, Befestigungstoleranzen einfach auszugleichen, die Befestigungsvorrichtung in der Ölwanne einfach anbringen zu können und das Bauteil einfach und passgenau einbringen zu können.The invention has for its object to provide a fastening device for components in oil pans, which makes it possible to compensate for mounting tolerances easy to attach the attachment device in the oil pan easy and can bring the component easily and accurately.

Die Aufgabe wird bei einer Befestigungsvorrichtung, die aus einem Grundteil und mindestens einem an dem Grundteil angeordneten Halteteil zur Herstellung einer vorzugsweise reversibel lösbaren, im wesentlichen formschlüssigen Verbindung mit einem Bauteil besteht, wobei das Grundteil mit der Ölwanne verbunden ist, dadurch gelöst, dass das Halteteil Bestandteil des Grundteils ist und das Halteteil über einen Falzbereich umbiegbar ist.The object is in a fastening device which consists of a base and at least one arranged on the base holding part for producing a preferably reversibly releasable, substantially positive connection with a component, wherein the base is connected to the oil pan, achieved in that the holding part Part of the base is and the holding part is bent over a foldable area.

Auf diese Weise wird eine einfach herzustellende Verbindung zwischen Bauteil und Ölwanne erreicht. Durch das Anpassen des über den Falzbereich umbiegbaren Halteelements können Toleranzen optimal ausgeglichen werden. Zwischen Grundteil und Ölwanne ist auf einfache Weise ein Verbindung herstellbar, beispielsweise durch Schweißen. Des weiteren kann das Bauteil direkt in die Befestigungsvorrichtung passgenau eingesetzt werden.In this way, an easy-to-manufacture connection between the component and oil pan is achieved. By adjusting the bendable over the folding area holding element tolerances can be compensated optimally. Between base and sump a connection can be easily established, for example by welding. Furthermore, the component can be inserted directly into the fastening device accurately.

Besonders zweckmäßig ist es, dass es sich bei dem Grundteil um einen Blechstreifen handelt. Diese sind kostengünstig herzustellen und lassen sich gut mit Falzbereichen versehen. Das Grundteil, insbesondere der Blechstreifen, kann dabei aus Einzelabschnitten bestehen, die an mehreren Bereichen der Ölwanne zur Befestigung eines oder mehrerer Bauteile angeordnet sein können, oder als geschlossener Ring ausgeführt sein, um eine optimale Anpassung an das jeweilige Bauteil zu erreichen.It is particularly expedient that the base part is a sheet metal strip. These are inexpensive to produce and can be well provided with fold areas. The base part, in particular the sheet-metal strip, may consist of individual sections, which may be arranged on several areas of the oil pan for mounting one or more components, or be designed as a closed ring in order to achieve an optimal adaptation to the respective component.

Des weiteren sieht eine bevorzugte Weiterbildung der Erfindung vor, dass das Bauteil einen Arretierabschnitt aufweist. Um diesen Arretierabschnitt herum kann auf besonders einfache Weise eine Verbindung zwischen Verbinddungselement und Bauteil durch Umbiegen des Halteteils hergestellt werden. Der Arretierabschnitt stellt dabei vorteilhafter Weise die Außenkontur des Bauteils dar, da an diesem Bereich ein Umgriff mit dem Halteteil besonders gut möglich ist. Die Form des Grundteils ist ebenfalls vorteilhafter Weise an die Form des Arretierabschnitts des Bauteils angepasst, um eine optimale Verbindung zu erzeugen.Furthermore, a preferred development of the invention provides that the component has a locking portion. Around this locking portion around a connection between the connecting element and component can be made by bending the holding part in a particularly simple manner. The locking portion is advantageously the outer contour of the component, since at this area a gripping with the holding part is particularly well possible. The shape of the base is also advantageously adapted to the shape of the locking portion of the component to create an optimal connection.

Es ist ferner vorteilhaft, dass das Halteteil den Arretierabschnitt des Bauteils abschnittsweise formschlüssig umfasst. Alternativ umfasst das Halteteil den Arretierabschnitt des Bauteils vollständig formschlüssig. Hierbei ist eine besonders Dichte Verbindung zwischen Bauteil und Ölwanne möglich.It is also advantageous that the holding part comprises the locking portion of the component partially positively. Alternatively, the holding part comprises the locking portion of the component completely positive fit. In this case, a particularly dense connection between the component and the oil pan is possible.

Eine andere bevorzugte Ausgestaltung der Erfindung sieht vor, dass zwischen Grundteil und Arretierabschnitt eine Dichtung vorgesehen ist. Die Dichtung lässt sich dabei in das Befestigungsteil einbringen. Auch zwischen Grundteil und Ölwanne kann eine Dichtung vorgesehen sein. Die Dichtung kann auf einfache Weise eingebracht werden, da sie nur zwischen Grundkörper und Arretierabschnitt bzw. Ölwanne eingebracht werden muss. Vorteilhafter Weise handelt es sich bei der Dichtung um Klebstoff.Another preferred embodiment of the invention provides that between the base and locking portion a seal is provided. The seal can be introduced into the fastening part. Also between base and sump a seal may be provided. The seal can be introduced in a simple manner, since it only has to be introduced between the base body and the locking section or oil sump. Advantageously, the seal is an adhesive.

Die Erfindung wird ferner vorteilhafterweise dadurch weitergebildet, dass die Verbindung zwischen Ölwanne und Grundteil durch Klebstoff hergestellt ist. Klebstoff lässt sich einfach und variable insbesondere an die Bauteilform angepasst aufbringen. Durch das Kleben selbst kann das Bauteil genauer positioniert werden, da zum einen der Klebebereich beispielsweise durch Prägungen auf der Wannenoberfläche direkt vorgegeben wird. Das Ausrichten der Befestigungsvorrichtung ist ebenfalls sehr einfach möglich, da das Bauteil für einen begrenzten Zeitraum noch beweglich ist, bis die maximale Haltekraft durch aushärten des Klebers erreicht wird. Des weiteren stellt das Aufbringen des Klebers und das anschließende Anbringen der Befestigungsvorrichtung eine bedeutsame Fertigungsschrittreduktion dar. Der Einbau der Befestigungsvorrichtung kann dadurch prozessschrittunabhängig vor oder nach der Bearbeitung der Wanne erfolgen.The invention is further advantageously further developed in that the connection between the oil pan and the base part is made by adhesive. Adhesive can be applied easily and variable in particular adapted to the component shape. By gluing itself, the component can be positioned more accurately, because on the one hand, the adhesive area is specified directly, for example by imprints on the tub surface. The alignment of the fastening device is also very easily possible because the component is still movable for a limited period of time until the maximum holding force is achieved by curing the adhesive. Furthermore, the application of the adhesive and the subsequent attachment of the fastening device represents a significant manufacturing step reduction. The installation of the fastening device can thereby be carried out independently of the process step before or after the machining of the trough.

Durch den Klebstoff wird neben den Haltekräften auch eine Abdichtung noch eventuell bestehender Undichtigkeiten erreicht. Dafür ist der Klebstoff vorteilhafter Weise sowohl für die Dichtung als auch für die Befestigung als Raupe aufgebracht.The adhesive, in addition to the holding forces and a seal still possible existing leaks is achieved. For the adhesive is advantageously applied both for the seal and for attachment as a bead.

Außerdem sieht die Erfindung vor, dass mit einem Befestigungselement zwei oder mehr Bauteile gleichzeitig befestigt werden können. Hierfür ist es besonders vorteilhaft, wenn Halteteile an gegenüberliegenden Seiten des Grundkörpers angeordnet sind.In addition, the invention provides that with a fastener two or more components can be attached simultaneously. For this purpose, it is particularly advantageous if holding parts are arranged on opposite sides of the base body.

Bei der Ölwanne handelt es sich vorteilhaft um eine Ölwanne für Verbrennungsmotoren oder für ein Automatikgetriebe für Kraftfahrzeuge. Bei dem Bauteil kann es sich um eine Ölfiltereinheit, einen Magnet, einen Sensor, eine Pumpe oder ähnliches handeln.The oil pan is advantageously an oil pan for internal combustion engines or for an automatic transmission for motor vehicles. The component may be an oil filter unit, a magnet, a sensor, a pump or the like.

Die Aufgabe wird hinsichtlich des Verfahrens durch folgende Schritte gelöst:

  • Einkleben eines Grundteils einer Befestigungsvorrichtung nach einem der Ansprüche 1 bis 20 in die Ölwanne,
  • Einsetzen des Bauteils und Umbiegen des mindestens einen Halteelements um den mindestens einen Arretierabschnitt des Bauteils.
The task is solved with regard to the method by the following steps:
  • Gluing a base of a fastening device according to one of claims 1 to 20 in the oil pan,
  • Insertion of the component and bending of the at least one retaining element about the at least one locking portion of the component.

Durch dieses Verfahren wird eine einfach herzustellende Verbindungsmöglichkeit zwischen Bauteil und Ölwanne bereit gestellt. Dabei ist es möglich, die Befestigungsvorrichtung zu jedem Herstellungs- bzw. Bearbeitungszeitpunkt an der Ölwanne anzubringen.By this method, an easy-to-manufacture connection between the component and oil pan is provided. It is possible to attach the fastening device to each manufacturing or processing time on the oil pan.

Nachfolgend wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispielen weiter beschriebenen. Es zeigen schematisch:

Fig. 1
eine Explosionsansicht einer Ölwanne mit einer erfindungsgemäßen Befestigungsvorrichtung,
Fig. 2
einen Querschnitt durch die Ölwanne aus Fig. 1,
Fig. 3
eine Vergrößerung des Ausschnitts III aus Fig. 1 eines Abschnitts einer erfindungsgemäßen Befestigungsvorrichtung,
Fig. 4
eine räumliche Ansicht eines Abschnitts einer erfindungsgemäßen Befestigungsvorrichtung mit einstückigem Halteteil,
Fig. 5
einen Abschnitt einer Ausführungsform der erfindungsgemäßen Befestigungsvorrichtung mit unterbrochenem Halteteil und geeignet zur Montage von zwei Bauteilen an einer Befestigungsvorrichtung, und
Fig. 6
ausschnittsweise einen Querschnitt durch eine Einzelheit einer Ölwanne gemäß einem weiteren Ausführungsbeispiel.
The invention will be further described with reference to an exemplary embodiment shown in the drawing. They show schematically:
Fig. 1
an exploded view of an oil pan with a fastening device according to the invention,
Fig. 2
a cross section through the oil pan Fig. 1 .
Fig. 3
an enlargement of section III Fig. 1 a portion of a fastening device according to the invention,
Fig. 4
a spatial view of a portion of a fastening device according to the invention with one-piece holding part,
Fig. 5
a section of an embodiment of the fastening device according to the invention with an interrupted holding part and suitable for mounting two components to a fastening device, and
Fig. 6
a detail of a cross section through a detail of an oil pan according to another embodiment.

In Fig. 1 ist eine Ölwanne 1 aus Metall in Explosionsansicht dargestellt. An ihr angebracht ist eine Befestigungsvorrichtung 2, die ein Grundteil 3 und Halteteile 5 aufweist, die über einen Falzbereich 4 miteinander verbunden sind. Die Halteteile 5 sind abschnittsweise am Grundteil 3 angeordnet; es ist allerdings auch möglich ein vollständig umlaufendes Halteteil 5 vorzusehen. Die Befestigungsvorrichtung 2 ist aus Blech hergestellt und weist im Querschnitt im Wesentlichen zwei Schenkel und einen die Schenkel verbindenden Abschnitt auf, wobei der eine Schenkel als das Grundteil 3 und der andere Schenkel als das Halteteil 5 ausgebildet ist. Der sie verbindende Abschnitt bildet im eingebauten Zustand, wenn das Halteteil 5 umgelegt ist, einen Falzbereich 4. Die Halteteile 5 sind aufgrund der Blechverformbarkeit in der Art einer Blechzunge oder Bördelung relativ zum Grundteil 3 umlegbar, während das Grundteil 3 fest am Boden der aus Blech gefertigten Ölwanne 1 angebracht ist.In Fig. 1 is an oil pan 1 made of metal in exploded view. Attached to it is a fastening device 2, which has a base part 3 and holding parts 5 which are connected to one another via a folding area 4. The holding parts 5 are arranged in sections on the base part 3; However, it is also possible to provide a completely circumferential holding part 5. The fastening device 2 is made of sheet metal and has in cross-section substantially two legs and a leg connecting portion, wherein the one leg as the base part 3 and the other leg is formed as the holding part 5. The connecting portion forms in the installed state, when the holding part 5 is folded, a folding area 4. The holding parts 5 are due to the Blechverformbarkeit in the manner of a sheet metal tongue or flanging relative to the base 3 foldable while the base 3 fixed to the bottom of sheet metal manufactured sump 1 is attached.

Mit der Befestigungsvorrichtung 2 wird eine Ölfiltereinheit 6 in der Ölwanne 1 befestigt. Die Ölfiltereinheit 6 weist ein Gehäuse 7 aus Kunststoff auf, welches aus einer Filterunterschale 7a und einer Filteroberschale 7b besteht. Zwischen Filterunterschale 7a und Filteroberschale 7b ist ein Filtermedium 8 eingebracht. An der Filteroberschale 7b befindet sich ein Ölauslass 9. An der Filterunterschale ist ein Öleinlass 10 angeordnet.With the fastening device 2, an oil filter unit 6 is mounted in the oil pan 1. The oil filter unit 6 has a housing 7 made of plastic, which consists of a filter bottom shell 7a and a filter top shell 7b. Between filter lower shell 7a and filter upper shell 7b, a filter medium 8 is introduced. An oil outlet 9 is located on the filter top shell 7b. An oil inlet 10 is arranged on the filter bottom shell.

Das Öl wird aus der Ölwanne über den Öleinlass 10 in der Filterunterschale 7a angesaugt, tritt durch das Filtermedium 8 in die Filteroberschale 7b und wird von dort über den Ölauslass 9 dem Kreislauf wieder zugeführt. In der Filterunterschale 7a lagern sich dabei herausgefilterte Rückstände ab.The oil is sucked in from the oil sump via the oil inlet 10 in the lower filter shell 7a, passes through the filter medium 8 into the upper filter shell 7b and is supplied from there via the oil outlet 9 to the circulation again. In the filter lower shell 7a, filtered-out residues are deposited.

lm Boden der Ölwanne 1 ist eine im Wesentlichen plane Sockelfläche 11 ausgeformt, auf welcher die Befestigungsvorrichtung 2 angebracht wird. Die Sockelfläche ist als Prägung in die Ölwanne 1 ausgebildet und tritt in den Innenraum der Ölwanne 1 hinein. Der Verlauf der Sockelfläche entspricht dem äußeren Rand der Ölwanne 1 und entsprechend ist die Befestigungsvorrichtung 2 entlang des äußeren Randes der Ölwanne angebracht. Benachbart zur Innenseite der Sockelfläche 11 ist ein Wulst 12 angeordnet, welcher bei der Montage zur Lagepositionierung der Filterunterschale 7a dient. Die Filterunterschale 7a des Gehäuses 7 ist nach unten offen ausgeführt, so dass eine geschlossene Einheit durch den Ölwannenbodenbereich 1a innerhalb der Sockelfläche 11 mit den Gehäuseteilen 7a und 7b entsteht.In the bottom of the oil pan 1, a substantially planar base surface 11 is formed, on which the fastening device 2 is mounted. The base surface is formed as an embossing in the oil pan 1 and enters into the interior of the oil pan 1 inside. The course of the base surface corresponds to the outer edge of the oil pan 1 and, accordingly, the fastening device 2 is mounted along the outer edge of the oil pan. Adjacent to the inside of the base surface 11, a bead 12 is arranged, which serves during assembly for positional positioning of the filter bottom shell 7a. The filter lower shell 7a of the housing 7 is designed to be open at the bottom, so that a closed unit is formed by the oil pan bottom region 1a within the base surface 11 with the housing parts 7a and 7b.

An der Filterunterschale 7a ist ein die Außenkontur darstellender, vollständig um die Filterunterschale 7a umlaufender, vorstehender Rand als Arretierabschnitt 13 vorgesehen. Der Rand oder Arretierabschnitt 13 kann unmittelbar an der Filterunterschale 7a ausgebildet sein, oder mittelbar dadurch, dass er an einem separaten Trägerrahmen ausgebildet ist, an welchem die Filterunterschale 7a befestigt ist. Beim Einsetzen der Ölfiltereinheit 6 in die Befestigungsvorrichtung 2 wird der Rand auf das Grundteil 3 gesetzt und dann wird das Halteteil 5 um die dem Ölwannenboden abgewandte Schulter des Arretierabschnitts 13 gebogen, so dass eine formschlüssige Verbindung entsteht. Der Falzbereich 4 umgreift den Rand an der Seite, so dass das Gehäuse 7 auch seitlich in vorgegebener Lage gehalten ist. Um das Umbiegen und die Ausbildung des Falzbereiches 4 in der vorgegebenen Lage zu erleichtern, ist es eine Sollbiegestelle 4a vorgesehen, die sich an dem Halteteil entlang der vorgegebenen Position der oberen Kante des Arretierabschnitts 13 befindet, und entlang welcher das Halteteil 5 auf den Arretierabschnitt 13 gebogen wird. Dieses ist ersichtlich aus Fig. 2 und insbesondere in vergrößerter Darstellung in Fig. 3. Die Befestigungsvorrichtung 2 bildet einen die Ölfiltereinheit 6 umlaufenden Bördelrahmen, welcher die Ölfiltereinheit 6 über ihren vorstehenden Rand am Boden der Ölwanne 1 hält.On the filter lower shell 7a, a protruding edge which represents the outer contour and completely revolves around the lower filter shell 7a is provided as the locking section 13. The edge or locking portion 13 may be formed directly on the filter bottom shell 7a, or indirectly by being formed on a separate support frame to which the filter bottom shell 7a is attached. When inserting the oil filter unit 6 in the fastening device 2, the edge is placed on the base 3 and then the holding part 5 is bent around the oil pan bottom remote from the shoulder of the locking portion 13, so that a positive connection is formed. The folding area 4 surrounds the edge on the side, so that the housing 7 is also held laterally in a predetermined position. In order to facilitate the bending and the formation of the fold region 4 in the predetermined position, it is provided a predetermined bending point 4a, which is located on the holding part along the predetermined position of the upper edge of the locking portion 13, and along which the holding part 5 on the locking portion 13th is bent. This is apparent from Fig. 2 and in particular in an enlarged view in FIG Fig. 3 , The fastening device 2 forms a flanging frame which circumscribes the oil filter unit 6 and which holds the oil filter unit 6 above its projecting edge at the bottom of the oil pan 1.

Zwischen Grundteil 3 und Sockelfläche 11 wird zur Befestigung der Befestigungsvorrichtung 2 auf der Ölwanne 1 Klebstoff 14 eingebracht. Dabei kann Der Klebstoff 14 punktuell oder als kontinuierlich umlaufende Raupe aufgebracht werden. Der Klebevorgang ermöglicht eine genaue Positionierung des Bördelrahmens, welchen die Befestigungsvorrichtung 2 bildet, so dass die Ölfiltereinheit entsprechend genau in der Ölwanne positioniert werden kann. Wenn das Grundteil 3 und die Sockelfläche 11 wie in dem dargestellten Ausführungsbeispiel vollständig umlaufend als geschlossener Ring ausgeführt und der Außenkontur der Ölfiltereinheit 6 angepasst sind, kann durch eine ununterbrochene, abdichtende Verklebung der Filterunterschale 7a mit der Sockelfläche 11 auch eine Abdichtung des Hohlraumes zwischen der Filterunterschale 7a und dem darunter liegenden Ölwannenbodenbereich 1a erfolgen. Das hat den Vorteil, dass dort keine unerwünschten Ablagerung, wie beispielsweise Ölsumpf, entstehen kann. Die bessere Abdichtwirkung wird erreicht, wenn der Klebstoff als Raupe aufgebracht wird. Diese Abdichtung kann auch erreicht werden bzw. noch verstärkt werden, wenn zwischen Grundteil 3 der Befestigungsvorrichtung 2 und dem Arretierabschnitt 13 Klebstoff (nicht dargestellt) eingebracht wird. Durch das Verkleben zwischen Arretierabschnitt 13 und Grundteil 3 können zusätzliche Haltekräfte zwischen Ölfiltereinheit 6 und Ölwanne 1 erreicht werden.Between base 3 and base surface 11 1 adhesive 14 is introduced for fastening the fastening device 2 on the oil pan. The adhesive 14 may be punctual or continuous circumferential bead are applied. The gluing process allows accurate positioning of the crimping frame which the fastening device 2 forms, so that the oil filter unit can be positioned correspondingly accurately in the oil sump. If the base part 3 and the base surface 11, as in the illustrated exemplary embodiment, run completely circumferentially as a closed ring and are adapted to the outer contour of the oil filter unit 6, a continuous sealing of the filter lower shell 7a with the base surface 11 also seals the cavity between the filter lower shell 7a and the underlying oil pan bottom region 1a. This has the advantage that there can be no unwanted deposition, such as oil sump. The better sealing effect is achieved when the adhesive is applied as a bead. This seal can also be achieved or even enhanced if between the base part 3 of the fastening device 2 and the locking portion 13 adhesive (not shown) is introduced. By bonding between the locking portion 13 and base 3 additional holding forces between oil filter unit 6 and oil pan 1 can be achieved.

Die Fig. 4 und 5 zeigen einen Abschnitt zweier Ausführungsmöglichkeiten zur Überbrückung von Kurvenabschnitten der Außenkontur eines Bauteils. In Fig. 4 ist das Halteteil 5 einstückig entlang der Kurve ausgeführt worden, wohingegen in Fig. 5 die Halteteile 5 im Kurvenbereich eine Unterbrechung erfahren.The 4 and 5 show a section of two embodiments for bridging curve sections of the outer contour of a component. In Fig. 4 the holding part 5 has been made in one piece along the curve, whereas in FIG Fig. 5 the holding parts 5 experience a break in the curve area.

Fig. 5 zeigt weiterhin die Sollbiegestelle 4a, entlang der das Umbiegen auf einen Arretierabschnitt 13 eines Bauteils erfolgt. Die Halteteile 5 sind beidseitig des Grundteils 3 der Befestigungsvorrichtung 2 angeordnet, um ein Anbringen von mindestens zwei Bauteilen (nicht dargestellt) an einer Befestigungsvorrichtung 2 zu ermöglichen. Die Halteteile 5 werden in Richtung der Pfeile in Fig. 5 umgebogen, um eine Verbindung des Bauteils mit dem Ölwanne zu erreichen. Bauteile können dabei neben Ölfiltereinheiten auch Magnete zum Herausfiltern von Metallspänen aus dem Öl, Sensoren oder Pumpen sein, mit denen das Medium gefördert wird. Fig. 5 further shows the predetermined bending point 4a, along which the bending takes place on a locking portion 13 of a component. The holding parts 5 are arranged on both sides of the base part 3 of the fastening device 2 in order to enable attachment of at least two components (not shown) to a fastening device 2. The holding parts 5 are in the direction of arrows in Fig. 5 bent over in order to achieve a connection of the component with the oil sump. In addition to oil filter units, components can also be magnets for filtering out metal chips from the oil, sensors or pumps with which the medium is conveyed.

Gemäß Fig. 6 ist eine alternative Ausführung zum Einkleben der Befestigungsvorrichtung 2' in die Ölwanne 1 veranschaulicht. Fig. 6 zeigt ferner eine alternative Ausführung der Ölfiltereinheit 6'. Gleiche Teile wie in den vorstehend beschriebenen Ausführungen sind mit gleichen Bezugszeichen versehen.According to Fig. 6 an alternative embodiment for gluing the fastening device 2 'in the oil pan 1 is illustrated. Fig. 6 further shows an alternative embodiment of the oil filter unit 6 '. The same parts as in the embodiments described above are provided with the same reference numerals.

Die Ölfiltereinheit 6' ist aus der Filteroberschale 7b, einem Bodenbereich 16 der Ölwanne 1 und einem die Filteroberschale 7b und den Bodenbereich 16 der Ölwanne 1 dicht verbindenden Trägerrahmen 17 gebildet. Der Trägerrahmen 17 ist über einen Bördelrahmen 18, der Grundteil 3, Falz 4 und Halteteil 5 aufweist wie er vorstehend beschrieben wurde, entlang des gesamten Umfangs der Filteroberschale 7b mit der metallischen Ölwanne 1 verbunden. In dem von Bodenbereich 16, Bördelrahmen 18 und Filteroberschale gebildeten Innenraum der Ölfiltereinheit 6' ist ein Filtermedium angeordnet (nicht dargestellt). Trägerrahmen 17 und Filteroberschale 7b sind jeweils aus Kunststoff und auf bekannte Weise miteinander dicht verbunden.The oil filter unit 6 'is composed of the filter top shell 7b, a bottom region 16 of the oil pan 1 and a carrier frame 17 which tightly connects the filter top shell 7b and the bottom region 16 of the oil pan 1 educated. The carrier frame 17 is connected to the metallic oil sump 1 along the entire circumference of the upper filter shell 7b via a crimping frame 18, which has the base part 3, fold 4 and holding part 5 as described above. In the interior of the oil filter unit 6 'formed by the bottom region 16, the flanging frame 18 and the filter upper shell, a filter medium is arranged (not shown). Carrier frame 17 and filter top shell 7b are each made of plastic and tightly connected to each other in a known manner.

Der Bördelrahmen 18 ist über sein Grundteil 3 an der Ölwanne 1 angeschweißt. Hinter dem freien Ende des Grundteils 3 und parallel dazu ist eine Nut 19 im Grundteil vorhanden, die zum Sockelbereich 11 offen ist. Die Nut 19 wird an der dem Grundteil 3 abgewandten Seite von einem Rand 20 begrenzt, der auf dem Sockelbereich 11 benachbart zum Wulst 12 aufliegt. In dem von der Nut 19, dem Rand 16 und dem Sockelbereich 11 gebildeten Bereich ist öldichter Klebstoff eingebracht, so dass das Grundteil 3 über die gesamte Länge des Bördelrahmens 18 dicht zum Sockelbereich 11 abschließt. Der Wulst 12 dient wiederum einerseits zur Vorfixierung und Vorpositionierung des Trägerrahmens 17 und andererseits verhindert er ein unerwünschtes Eindringen von Klebstoff in den Innenraum der Ölfiltereinheit 6'.The hemming frame 18 is welded to the oil pan 1 via its base part 3. Behind the free end of the base part 3 and parallel thereto, a groove 19 in the base part is present, which is open to the base area 11. The groove 19 is bounded on the side facing away from the base 3 by an edge 20 which rests on the base area 11 adjacent to the bead 12. Oil-tight adhesive is introduced into the area formed by the groove 19, the edge 16 and the base area 11, so that the base part 3 closes tightly to the base area 11 over the entire length of the beading frame 18. The bead 12 in turn serves on the one hand for prefixing and pre-positioning of the support frame 17 and on the other hand it prevents undesired penetration of adhesive into the interior of the oil filter unit 6 '.

Claims (21)

  1. Securing device (2) for securing a component in an oil pan (1), comprising a base member (3) and at least one retention member (5) which is arranged on the base member (3) for producing a preferably reversibly releasable, substantially positive-locking connection with respect to the component, the base member being connected to the oil pan (1), characterised in that the retention member (5) is an integral component of the base member (3) and the retention member (5) can be bent via a folding region.
  2. Securing device according to claim 1, characterised in that the base member (3) is a sheet metal strip.
  3. Securing device according to claim 2, characterised in that the sheet metal strip is constructed as a ring.
  4. Securing device according to any one of claims 1 to 3, characterised in that the component has a locking portion (13).
  5. Securing device according to claim 4, characterised in that the locking portion (13) constitutes the outer contour of the component.
  6. Securing device according to claim 4 or 5, characterised in that the shape of the base member is adapted to the locking portion (13).
  7. Securing device according to any one of claims 4 to 6, characterised in that the retention member (5) partially surrounds the locking portion (13) of the component in a positive-locking manner.
  8. Securing device according to any one of claims 4 to 6, characterised in that the retention member (5) completely surrounds the locking portion (13) of the component in a positive-locking manner.
  9. Securing device according to any one of claims 4 to 8, characterised in that a seal is provided between the base member (3) and the locking portion (13).
  10. Securing device according to any one of claims 1 to 9, characterised in that a seal is provided between the base member (3) and the oil pan (1).
  11. Securing device according to claim 9 or 10, characterised in that the seal is an adhesive.
  12. Securing device according to any one of claims 1 to 11, characterised in that the connection between the oil pan (1) and the base member (3) is produced by means of an adhesive.
  13. Securing device according to claim 11 or 12, characterised in that the adhesive is applied as a bead.
  14. Securing device according to any one of claims 1 to 13, characterised in that retention members (5) are arranged at opposing sides of the base member.
  15. Securing device according to any one of claims 1 to 14, characterised in that two or more components can be secured at the same time with one securing element (2).
  16. Securing device according to any one of claims 1 to 15, characterised in that the component (2) is a filter unit.
  17. Securing device according to any one of claims 1 to 15, characterised in that the component (2) is a magnet.
  18. Securing device according to any one of claims 1 to 15, characterised in that the component (2) is a pump.
  19. Securing device according to claim 16, characterised in that the filter unit is an oil filter unit.
  20. Securing device according to any one of claims 1 to 19, characterised in that the oil pan (1) is an oil pan for motors or automatic gear mechanisms.
  21. Method for securing a component in an oil pan (1), characterised by adhesively-bonding a base member of a securing device (2) according to any one of claims 1 to 20 in the oil pan (1), inserting the component and bending the at least one retention element around the at least one locking portion of the component.
EP06002968A 2005-06-04 2006-02-14 Device and method for mounting a component in an oil sump Not-in-force EP1728982B9 (en)

Applications Claiming Priority (1)

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DE102005025726A DE102005025726A1 (en) 2005-06-04 2005-06-04 Fastening device and method for fixing a component in an oil sump

Publications (4)

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EP1728982A2 EP1728982A2 (en) 2006-12-06
EP1728982A3 EP1728982A3 (en) 2010-08-04
EP1728982B1 EP1728982B1 (en) 2012-01-18
EP1728982B9 true EP1728982B9 (en) 2012-04-25

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US (1) US7383809B2 (en)
EP (1) EP1728982B9 (en)
JP (1) JP2006336657A (en)
KR (1) KR100783220B1 (en)
CN (1) CN1877091B (en)
AT (1) ATE542028T1 (en)
DE (1) DE102005025726A1 (en)

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Publication number Publication date
ATE542028T1 (en) 2012-02-15
KR100783220B1 (en) 2007-12-06
JP2006336657A (en) 2006-12-14
US20070017745A1 (en) 2007-01-25
US7383809B2 (en) 2008-06-10
CN1877091A (en) 2006-12-13
EP1728982A2 (en) 2006-12-06
DE102005025726A1 (en) 2006-12-07
EP1728982B1 (en) 2012-01-18
EP1728982A3 (en) 2010-08-04
CN1877091B (en) 2010-05-26
KR20060126398A (en) 2006-12-07

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