EP2228520A2 - Vis de fermeture pour ouvertures sur des moteurs de véhicules automobiles ainsi qu'unité de boîtier d'un moteur de véhicule automobile - Google Patents

Vis de fermeture pour ouvertures sur des moteurs de véhicules automobiles ainsi qu'unité de boîtier d'un moteur de véhicule automobile Download PDF

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Publication number
EP2228520A2
EP2228520A2 EP10155343A EP10155343A EP2228520A2 EP 2228520 A2 EP2228520 A2 EP 2228520A2 EP 10155343 A EP10155343 A EP 10155343A EP 10155343 A EP10155343 A EP 10155343A EP 2228520 A2 EP2228520 A2 EP 2228520A2
Authority
EP
European Patent Office
Prior art keywords
screw
latching
screw head
closure
opening
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.)
Granted
Application number
EP10155343A
Other languages
German (de)
English (en)
Other versions
EP2228520B1 (fr
EP2228520A3 (fr
EP2228520B8 (fr
Inventor
Daniel Sinn
Jorge Soares
Hans Janssen
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.)
Polytec Plastics Germany GmbH and Co KG
Original Assignee
Polytec Automotive GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polytec Automotive GmbH and Co KG filed Critical Polytec Automotive GmbH and Co KG
Priority to PL10155343T priority Critical patent/PL2228520T3/pl
Publication of EP2228520A2 publication Critical patent/EP2228520A2/fr
Publication of EP2228520A3 publication Critical patent/EP2228520A3/fr
Publication of EP2228520B1 publication Critical patent/EP2228520B1/fr
Application granted granted Critical
Publication of EP2228520B8 publication Critical patent/EP2228520B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • F01M11/0408—Sump drainage devices, e.g. valves, plugs
    • 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
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • F01M11/0408—Sump drainage devices, e.g. valves, plugs
    • F01M2011/0416—Plugs

Definitions

  • the invention relates to a screw plug for openings in motor vehicle engines and in particular an oil drain opening. Furthermore, the invention relates to a housing of a motor vehicle engine such as an oil housing or an oil pan with an opening in a housing wall, in which a closure screw according to the invention is arranged.
  • the object of the invention is to provide a screw plug for openings in motor vehicle engines, in particular for oil drain openings, which is inexpensive to produce and reusable. It is also a task the invention to provide a corresponding housing unit of a motor vehicle engine.
  • the closure screw according to the invention which is particularly suitable for closing oil drain openings, has a screw shaft with a thread.
  • a screw head is connected to the screw shaft.
  • a first latching element is connected, which cooperates with a second latching element arranged on the opening.
  • the first latching element is designed such that it is elastically resiliently connected to the screw head.
  • At least the locking element is made of thermoplastic material to realize the required resilient connection with the screw head.
  • a holding element which carries the latching element and is connected to the screw head is also produced from the same material.
  • the screw head in particular the entire screw plug made of thermoplastic material.
  • the material is in particular polyamide PA, PPA or PPS or other engineering plastics, which are possibly reinforced with glass fibers suitable.
  • the first latching element connected to the locking screw is connected to the screw head via a retaining element connected.
  • the connection of the holding element is formed with the screw head such that in this way an elastically resilient connection is realized.
  • the connection between the retaining element and the screw head depending on the material used be relatively thin, so that when closing or opening the screw plug, the deflection of the first locking element takes place due to a movement or elastic bending of the retaining element.
  • a movement groove or a movement slot to be provided between the first latching element, in particular the holding element carrying the first latching element, and the screw head.
  • the holding element is connected laterally next to the groove or slot end with the screw head.
  • a connection is provided at each end of the groove or the slot.
  • the elastically resilient movement is preferably realized in the connecting areas at the groove or slot ends.
  • the retaining element surrounds the screw head in particular in an annular manner, wherein the movement groove or the movement slot is preferably part-circular in this case and runs on an outer side of the screw head.
  • the arcuate slot or the arcuate groove in this case preferably extend over an angular range of at least 30 °, in particular at least 45 °, but preferably less than 300 °. It is preferred, in order to realize a defined deflectability, to provide a continuous movement slot. This has the consequence that there is no connection between the retaining element and the screw head in the region of the movement slot.
  • a AusGermanschräge is provided on the first and / or the second latching element. Due to the extension bevel, for example, when opening the screw an elastic movement of the two locking elements away from each other.
  • the locking element provided on the locking screw is preferably moved away from the latching element provided on the housing or the housing opening.
  • one of the two locking elements is designed as a latching lug and the other latching element as a latching groove.
  • the locking lug is provided on the screw plug, as this is easier to produce on the screw.
  • the detent protrudes in the direction of the housing or the housing opening.
  • the locking lug thus extends parallel to the screw shaft.
  • the latch is on a lower side, i. arranged in the direction of the housing side facing the ring head in particular surrounding the retaining element.
  • the Ausgradschräge is formed in a preferred embodiment of the locking lug, in particular integrally formed on this. Accordingly, the locking groove is provided in the region of the opening on the housing.
  • the entire screw plug is made in one piece from thermoplastic material.
  • a sealing element which surrounds the screw shaft. This can be one at the bottom of the Screw head fitting flat gasket act. It is preferable to provide an O-ring surrounding the screw shaft.
  • the invention relates to a housing unit of a motor vehicle engine, in particular an oil housing or an oil pan.
  • the housing unit has a housing wall with an opening, in particular an oil drain opening.
  • the second latching element which is preferably formed as a groove, is arranged.
  • the opening is closed according to the invention by a sealing screw, which has the first locking element, which is resiliently connected to the screw head.
  • the closure screw is, as stated above, advantageously developed.
  • the closure screw according to the invention has a screw shaft 10 with a thread 12.
  • the screw shaft 10 is cylindrical over trained intermediate piece 14 is connected to a screw head 16.
  • the screw head 16 is surrounded by an annular holding element 18.
  • the annular support member 18 is formed integrally with the screw head in the illustrated embodiment, in the illustrated embodiment, the entire plug is made in one piece.
  • a part-circular movement slot 20 is provided between the holding member 18 and the screw head 16. This extends approximately at an angle of 90 ° along an outer side 22 of the screw head 16.
  • the movement slot 20 is in the direction of a bottom 24 (FIG. FIG. 1 ) of the screw head or the holding element 18 open, so that it is a continuous slot.
  • the holding element 18 is connected to the screw head 16, said compound in the illustrated embodiment, the entire remaining outer side 22 of the screw head 16 surrounds. In this area, a recess 30 is provided in the illustrated embodiment.
  • the screw head 16 has on its upper side ( FIG. 2 ) has a groove 32 for a screwdriver.
  • a first latching element 34 is provided on the underside 24 of the holding element 18, which is a latching lug in the illustrated embodiment. This is also produced in a preferred embodiment in one piece with the entire screw plug made of thermoplastic material. With the locking lug 34, a Aus thoroughlyschräge 36 is connected in the illustrated embodiment. This is for easier opening of the screw, as explained later FIG. 4 is explained.
  • the cylindrical intermediate piece 14 is provided with a circumferential groove 38.
  • an O-ring 40 is arranged as a sealing element.
  • the underside 42 of the detent 34 slides on a slope 48 which is provided on the housing wall 50, slightly downwards in the direction of the groove 46.
  • the bevel is designed such that upon reaching the groove continue a step is overcome and the detent 34 thus snaps into the groove 46.
  • the bevel 48 opposite a further associated with the latch nose 52 is provided which supports the latch 34.
  • the slope 48 has the task of simplifying the opening, in particular when opening the closure screw, since a straight groove side surface corresponding to an opposite groove side surface 54 (FIG. FIG. 4 ) would be difficult to overcome when opening the screw. In this case, there would be a risk of damaging the detent 34 and / or the retaining element 18th
  • the slope 48 is provided on the housing wall 50, but the vertical groove side surface 54th opposite groove side surface 56 to the outside, that is inclined away from the groove 46.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Connection Of Plates (AREA)
EP10155343.6A 2009-03-10 2010-03-03 Vis de fermeture pour ouvertures sur des moteurs de véhicules automobiles ainsi qu'unité de boîtier d'un moteur de véhicule automobile Active EP2228520B8 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10155343T PL2228520T3 (pl) 2009-03-10 2010-03-03 Śruba zamykająca dla otworów w silnikach pojazdów mechanicznych jak też jednostka obudowy silnika pojazdów mechanicznych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009011941A DE102009011941A1 (de) 2009-03-10 2009-03-10 Verschlussschraube für Öffnungen an Kraftfahrzeug-Motoren sowie Gehäuseeinheit eines Kraftfahrzeug-Motors

Publications (4)

Publication Number Publication Date
EP2228520A2 true EP2228520A2 (fr) 2010-09-15
EP2228520A3 EP2228520A3 (fr) 2011-02-23
EP2228520B1 EP2228520B1 (fr) 2018-12-05
EP2228520B8 EP2228520B8 (fr) 2019-07-24

Family

ID=42235446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10155343.6A Active EP2228520B8 (fr) 2009-03-10 2010-03-03 Vis de fermeture pour ouvertures sur des moteurs de véhicules automobiles ainsi qu'unité de boîtier d'un moteur de véhicule automobile

Country Status (4)

Country Link
EP (1) EP2228520B8 (fr)
DE (2) DE102009011941A1 (fr)
ES (1) ES2714210T3 (fr)
PL (1) PL2228520T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2463006A1 (fr) * 2010-12-10 2012-06-13 Mahle International GmbH Dispositif de filtre
DE102012220695A1 (de) 2012-11-13 2014-05-15 Dichtungstechnik G. Bruss Gmbh & Co. Kg Drehverschlussanordnung zum Verschließen einer Öffnung in einem Gehäuseteil eines Verbrennungsmotors, und Verfahren zum Verschließen bzw. Öffnen einer solchen Öffnung
EP2428261A3 (fr) * 2010-09-08 2014-10-29 MAHLE International GmbH Agencement de filtre pour milieux hydrauliques, notamment d'huile
EP3276133A1 (fr) * 2016-07-27 2018-01-31 Mahle International GmbH Système d'impact

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217036A1 (de) 2014-08-27 2016-03-03 Mahle International Gmbh Verschlusseinrichtung
JP6637744B2 (ja) * 2015-11-25 2020-01-29 ダイキョーニシカワ株式会社 オイルパンのドレン構造

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549532A1 (fr) 1983-07-22 1985-01-25 Valeo Dispositif de vidange ou de purge d'un echangeur de chaleur
DE4312550C1 (de) 1993-04-17 1994-09-15 Hpf Hans P Friedrich Elektroni Vorrichtung zur Bewertung von sich fortbewegenden Objekten
DE29904061U1 (de) 1999-03-05 1999-07-22 Böllhoff GmbH, 33649 Bielefeld Gehäuse mit Verschlußstopfen
EP1147992A1 (fr) 2000-04-22 2001-10-24 IBS Filtran Kunststoff-/Metallerzeugnisse GmbH Systeme de fermeture pour pieces en plastique moulé
JP2006044790A (ja) 2004-06-29 2006-02-16 Nippon Kimu Kk スパウト付き収容体
DE202005004943U1 (de) 2005-03-21 2006-07-27 Reutter Metallwarenfabrik Gmbh Verschlussdeckel für Öffnungen an Kraftfahrzeugmotoren
US20080135340A1 (en) 2006-12-06 2008-06-12 Schlicker Scott C Fluid reservoir assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050144U (ja) * 1983-09-16 1985-04-09 凸版印刷株式会社 キャップ位置合せ容器
DE20006755U1 (de) * 2000-04-12 2000-08-03 Blau Kunststofftechnik Zweigniederlassung der Tesma Europa GmbH, 41516 Grevenbroich Einfülleinrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549532A1 (fr) 1983-07-22 1985-01-25 Valeo Dispositif de vidange ou de purge d'un echangeur de chaleur
DE4312550C1 (de) 1993-04-17 1994-09-15 Hpf Hans P Friedrich Elektroni Vorrichtung zur Bewertung von sich fortbewegenden Objekten
DE29904061U1 (de) 1999-03-05 1999-07-22 Böllhoff GmbH, 33649 Bielefeld Gehäuse mit Verschlußstopfen
EP1147992A1 (fr) 2000-04-22 2001-10-24 IBS Filtran Kunststoff-/Metallerzeugnisse GmbH Systeme de fermeture pour pieces en plastique moulé
JP2006044790A (ja) 2004-06-29 2006-02-16 Nippon Kimu Kk スパウト付き収容体
DE202005004943U1 (de) 2005-03-21 2006-07-27 Reutter Metallwarenfabrik Gmbh Verschlussdeckel für Öffnungen an Kraftfahrzeugmotoren
US20080135340A1 (en) 2006-12-06 2008-06-12 Schlicker Scott C Fluid reservoir assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428261A3 (fr) * 2010-09-08 2014-10-29 MAHLE International GmbH Agencement de filtre pour milieux hydrauliques, notamment d'huile
EP2463006A1 (fr) * 2010-12-10 2012-06-13 Mahle International GmbH Dispositif de filtre
DE102012220695A1 (de) 2012-11-13 2014-05-15 Dichtungstechnik G. Bruss Gmbh & Co. Kg Drehverschlussanordnung zum Verschließen einer Öffnung in einem Gehäuseteil eines Verbrennungsmotors, und Verfahren zum Verschließen bzw. Öffnen einer solchen Öffnung
EP3276133A1 (fr) * 2016-07-27 2018-01-31 Mahle International GmbH Système d'impact

Also Published As

Publication number Publication date
DE102009011941A1 (de) 2010-09-23
EP2228520B1 (fr) 2018-12-05
ES2714210T8 (es) 2019-08-21
PL2228520T3 (pl) 2019-05-31
ES2714210T3 (es) 2019-05-27
EP2228520A3 (fr) 2011-02-23
EP2228520B8 (fr) 2019-07-24
DE202010018359U1 (de) 2015-11-18

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