WO2014040668A1 - Housing cover of a transmission housing - Google Patents

Housing cover of a transmission housing Download PDF

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Publication number
WO2014040668A1
WO2014040668A1 PCT/EP2013/002089 EP2013002089W WO2014040668A1 WO 2014040668 A1 WO2014040668 A1 WO 2014040668A1 EP 2013002089 W EP2013002089 W EP 2013002089W WO 2014040668 A1 WO2014040668 A1 WO 2014040668A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing cover
housing
power cable
cover according
plastic
Prior art date
Application number
PCT/EP2013/002089
Other languages
German (de)
French (fr)
Inventor
Michael Kastrup
Original Assignee
Gm Tec Industries Holding Gmbh
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 Gm Tec Industries Holding Gmbh filed Critical Gm Tec Industries Holding Gmbh
Publication of WO2014040668A1 publication Critical patent/WO2014040668A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14549—Coating rod-like, wire-like or belt-like articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/166—Means for transmitting drive characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/08—Insulating casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0082—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units specially adapted for transmission control units, e.g. gearbox controllers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/0325—Moulded casings made from plastic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/226—Bases, e.g. strip, block, panel comprising a plurality of conductive flat strips providing connection between wires or components

Definitions

  • the invention relates to a housing cover of a housing in particular a gear housing of a windshield wiper drive, wherein in the plastic of the housing cover floor on the bottom inside electrical conductors are embedded.
  • the object of the invention is to improve the production of a housing cover of the type mentioned so that at low cost materials, simple manufacturing process and low material waste a high
  • the electrical conductors are metal power cables, which are encapsulated by the plastic of the housing cover bottom.
  • This teaching according to the invention makes it possible to use simple insulated power cables as electrical conductors, which are available as particularly inexpensive materials. This can be a simple
  • a metallic plug is attached to one or both ends of the power cable.
  • the plug can be clamped to the ends of the power cable, welded, soldered or angekrampt. It is also advantageous if the connectors are coated with a noble metal.
  • the power cables are common, already on the market cable and thus have a round or oval cross-section.
  • the power cables have no insulating jacket, since the insulation takes place in that they are embedded in the plastic.
  • An injection molding tool for producing a housing cover of the aforementioned type has the features that the tool has channel-shaped channels on its inner side forming the Deckelêt- inside, in which in each case a power cable rests during injection of the plastic in order to be encapsulated within the channel of the plastic.
  • both side walls of the tool channel form projections through which the power cable is fixed centrally in the channel during spraying is particularly advantageous.
  • the projections may be formed semi-cylindrical or partially cylindrical.
  • a housing cover using the above-mentioned injection molding tool has the features that rise after the spouting of the channel-shaped channels on the inside of the lid bottom elongated bead-shaped elevations in which the power cables einhegen. It is advantageous if the elongated bead-shaped elevations have indentations on both side walls, between each of which is a power cable. Also, the indentations may be semi-cylindrical or partially cylindrical.
  • Fig. 3 is a top view of the housing cover with transparent plastic.
  • the drawing shows the housing cover made of plastic of a housing with an electrical function, in particular a gear housing of a
  • Windscreen wiper drive in a bottom view The housing cover has a cover wall 1 which is surrounded all around by a protruding cover edge 2. At a lid edge area is outside a plug 3, the on
  • Plastic of the housing cover is formed.
  • a header 5 is formed vertically before, the electrically conductive plug-in parts 6 carries, which project upwards and are insulated from each other by the plastic of the connector 5.
  • Plug-in parts 6 are each with the mail contacts of the plug 3 with a
  • Power cable 10 is connected, which is located within an elongated, bead-shaped elevation 7.
  • the elongated elevations / beads extend over the inside wall 4 of the connector 5 to the connector 3 side by side in the
  • These power cables 0 are preferably made of a single wire, in particular of copper and usually have a round or oval cross-section and Do not wear an insulating sheath because the insulation is made by the plastic of the
  • the plug or plug parts 6 and the contacts at both ends of the metal power cable sections 10 are fastened in the usual manner, in particular clamped, welded, soldered or angekrampt.
  • the plug or plug-in parts and contacts at the ends of the power cable are preferably coated with a precious metal.
  • both side walls of the tool channel form semicylindrical or partially cylindrically shaped projections, which then after injection of the housing cover as indentations 8 on both side walls 9 of the elongated represent bead-shaped elevations 7.
  • these indentations 8 are also formed in accordance with the projections in the injection mold and semi-cylindrical or partially cylindrical.
  • the transmission with the surrounding gear housing is not shown, but only the housing closing the gear housing. Also, the circuit board is not visible, which is located between the housing cover and the transmission within the transmission housing, which has the electrical and electronic components for controlling the electric motor and contact the inner male parts 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to a housing cover of a housing, in particular a transmission housing of a windscreen wiper drive. Electric conductors are recessed in the plastic material of the housing cover base (1) on the inner side of the base (4), said electric conductors are metal electric cables (10) which are insert-moulded by the plastic of the housing cover base (1).

Description

Gehäusedeckel eines Getriebegehäuses  Housing cover of a gearbox housing
Die Erfindung betrifft einen Gehäusedeckel eines Gehäuses insbesondere eines Getriebegehäuses eines Scheibenwischerantriebs, wobei im Kunststoff des Gehäusedeckelbodens auf der Bodeninnenseite elektrische Leiter eingelassen sind. The invention relates to a housing cover of a housing in particular a gear housing of a windshield wiper drive, wherein in the plastic of the housing cover floor on the bottom inside electrical conductors are embedded.
Bei Getriebegehäusen von Scheibenwischeranlagen ist es bekannt, das In gear housings of windscreen wiper systems, it is known that
Gehäuse durch einen Deckel zu schließen, an dessen Innenseite gestanzte Leiterbahnen eingelassen sind, die einen außen am Deckel angeformten vorstehenden Stecker mit am Deckelinneren vorstehenden Steckteilen verbinden, die Kontakt mit einer innenliegenden Platine aufnehmen, die elektrische Bauteile trägt. Hierzu ist es erforderlich, die flachen Leiterbahnen aus einem Blech auszustanzen, wobei ein erheblicher Materialabfall entsteht. Ferner ist hierdurch ein zusätzlicher Stanz-Arbeitsvorgang erforderlich. To close the housing by a lid, on the inside of which punched conductor tracks are embedded, which connect an externally formed on the cover protruding plug with the inside of the lid protruding plug-in parts, which make contact with an internal board, which carries electrical components. For this purpose, it is necessary to punch out the flat conductor tracks from a metal sheet, wherein a considerable material waste arises. Furthermore, this requires an additional punching operation.
Aufgabe der Erfindung ist es, die Herstellung eines Gehäusedeckels der eingangs genannten Art so zu verbessern, dass bei preiswerten Materialien, einfachem Herstellungsverfahren und geringem Materialabfall eine hohe The object of the invention is to improve the production of a housing cover of the type mentioned so that at low cost materials, simple manufacturing process and low material waste a high
Funktionssicherheit besteht. Functional safety exists.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die elektrischen Leiter metallene Stromkabel sind, die vom Kunststoff des Gehäusedeckelbodens umspritzt sind. Diese erfindungsgemäße Lehre ermöglicht es, dass als elektrische Leiter einfache isolierte Stromkabel verwendet werden können, die als besonders preiswerte Materialien zur Verfügung stehen. Hierbei kann ein einfaches This object is achieved in that the electrical conductors are metal power cables, which are encapsulated by the plastic of the housing cover bottom. This teaching according to the invention makes it possible to use simple insulated power cables as electrical conductors, which are available as particularly inexpensive materials. This can be a simple
Herstellungsverfahren angewandt werden und es besteht keine oder nur ein geringer Materialabfall bei hoher Funktionssicherheit. Es können im Bedarfsfall aber auch Kabel mit Isolierung verwendet werden. Manufacturing process are applied and there is no or only a small material waste with high reliability. If required, cables with insulation can also be used.
Vorzugsweise wird vorgeschlagen, dass an einem oder beiden Enden der Stromkabel jeweils ein metallener Stecker befestigt ist. Hierbei können die Stecker an die Enden der Stromkabel angeklemmt, angeschweißt, angelötet oder angekrampt sein. Auch ist von Vorteil, wenn die Stecker mit einem Edelmetall beschichtet sind. It is preferably proposed that in each case a metallic plug is attached to one or both ends of the power cable. Here, the plug can be clamped to the ends of the power cable, welded, soldered or angekrampt. It is also advantageous if the connectors are coated with a noble metal.
Die Stromkabel sind übliche, bereits auf dem Markt befindliche Kabel und haben damit einen runden oder ovalen Querschnitt. Hierbei besitzen die Stromkabel keinen Isoliermantel, da die Isolierung dadurch erfolgt, dass sie im Kunststoff eingebettet werden. The power cables are common, already on the market cable and thus have a round or oval cross-section. In this case, the power cables have no insulating jacket, since the insulation takes place in that they are embedded in the plastic.
Ein Spritzwerkzeug zum Herstellen eines Gehäusedeckels der vorgenannten Art weist die Merkmale auf, dass das Werkzeug auf seiner die Deckelboden- Innenseite bildenden Werkzeugwand rinnenförmige Kanäle aufweist, in denen beim Einspritzen des Kunststoffs jeweils ein Stromkabel einliegt, um innerhalb des Kanals vom Kunststoff umspritzt zu werden. An injection molding tool for producing a housing cover of the aforementioned type has the features that the tool has channel-shaped channels on its inner side forming the Deckelboden- inside, in which in each case a power cable rests during injection of the plastic in order to be encapsulated within the channel of the plastic.
Besonders vorteilhaft ist es, wenn beide Seitenwände des Werkzeugkanals Vorsprünge bilden, durch die das Stromkabel im Kanal während des Spritzens mittig fixiert ist. Hierbei können die Vorsprünge halb- oder teilzylindrisch geformt sein. It when both side walls of the tool channel form projections through which the power cable is fixed centrally in the channel during spraying is particularly advantageous. In this case, the projections may be formed semi-cylindrical or partially cylindrical.
Ein Gehäusedeckel unter Verwendung des obengenannten Spritzwerkzeugs hat die Merkmale, dass nach dem Ausspritzen der rinnenförmigen Kanäle auf der Innenseite des Deckelbodens längliche wulstförmige Erhebungen sich erheben, in denen die Stromkabel einhegen. Hierbei ist von Vorteil, wenn die länglichen wulstförmigen Erhebungen an beiden Seitenwänden Einbuchtungen aufweisen, zwischen denen jeweils ein Stromkabel liegt. Auch können die Einbuchtungen halb- oder teilzylindrisch sein. A housing cover using the above-mentioned injection molding tool has the features that rise after the spouting of the channel-shaped channels on the inside of the lid bottom elongated bead-shaped elevations in which the power cables einhegen. It is advantageous if the elongated bead-shaped elevations have indentations on both side walls, between each of which is a power cable. Also, the indentations may be semi-cylindrical or partially cylindrical.
Ein Ausführungsbeispiel des erfindungsgemäßen Deckels ist in den Zeichnungen perspektivisch dargestellt und wird im Folgenden näher beschrieben. Es zeigen An embodiment of the lid according to the invention is shown in perspective in the drawings and will be described in more detail below. Show it
Fig. 1 eine Unteransicht des Gehäusedeckels, 1 is a bottom view of the housing cover,
Fig. 2 die Stromkabel mit Steckern an beiden Enden, 2 shows the power cables with plugs at both ends,
Fig. 3 eine Oberansicht des Gehäusedeckels bei durchsichtigem Kunststoff. Fig. 3 is a top view of the housing cover with transparent plastic.
Die Zeichnung zeigt den Gehäusedeckel aus Kunststoff eines Gehäuses mit elektrischer Funktion insbesondere eines Getriebegehäuses eines The drawing shows the housing cover made of plastic of a housing with an electrical function, in particular a gear housing of a
Scheibenwischerantriebs in einer Unteransicht. Der Gehäusedeckel weist eine Deckelwand 1 auf, die rundum von einem vorstehenden Deckelrand 2 umgeben ist. An einem Deckelrandbereich steht außen ein Stecker 3 vor, der am Windscreen wiper drive in a bottom view. The housing cover has a cover wall 1 which is surrounded all around by a protruding cover edge 2. At a lid edge area is outside a plug 3, the on
Kunststoff des Gehäusedeckels angeformt ist. Plastic of the housing cover is formed.
Auf der Innenseite 4 der Deckelwand 1 steht eine Steckleiste 5 angeformt senkrecht vor, die elektrisch leitende Steckteile 6 trägt, die nach oben vorstehen und durch den Kunststoff der Steckleiste 5 voneinander isoliert sind. Die On the inside 4 of the top wall 1 is a header 5 is formed vertically before, the electrically conductive plug-in parts 6 carries, which project upwards and are insulated from each other by the plastic of the connector 5. The
Steckteile 6 sind jeweils mit den Mail-Kontakten des Steckers 3 mit einem Plug-in parts 6 are each with the mail contacts of the plug 3 with a
Stromkabel 10 verbunden, das sich innerhalb einer länglichen, wulstförmigen Erhebung 7 befindet. Die länglichen Erhebungen/Wülste verlaufen über die Wandinnenseite 4 von der Steckleiste 5 zum Stecker 3 nebeneinander im Power cable 10 is connected, which is located within an elongated, bead-shaped elevation 7. The elongated elevations / beads extend over the inside wall 4 of the connector 5 to the connector 3 side by side in the
Wesentlichen zueinander parallel. Essentially parallel to each other.
Zum Verbinden der Steckteile 6 mit den Kontakten des Steckers 3 werden somit übliche metallene Stromkabel 10 benutzt, die für diese Anwendung nicht speziell hergestellt werden müssen, sondern auf dem Markt verfügbar sind. Diese Stromkabel 0 bestehen vorzugsweise aus einem einzigen Draht insbesondere aus Kupfer und haben üblicherweise einen runden oder ovalen Querschnitt und tragen keinen Isoliermantel, da die Isolierung durch den Kunststoff des For connecting the plug-in parts 6 with the contacts of the plug 3 thus conventional metal power cables 10 are used, which need not be specially made for this application, but are available in the market. These power cables 0 are preferably made of a single wire, in particular of copper and usually have a round or oval cross-section and Do not wear an insulating sheath because the insulation is made by the plastic of the
Gehäusedeckels erfolgt. Housing cover takes place.
Die Stecker bzw. Steckteile 6 und die Kontakte an beiden Enden der metallenen Stromkabelabschnitte 10 sind auf übliche Weise befestigt insbesondere angeklemmt, angeschweißt, angelötet oder angekrampt. Hierbei sind die Stecker bzw. Steckteile und Kontakte an den Enden der Stromkabel vorzugsweise mit einem Edelmetall beschichtet. The plug or plug parts 6 and the contacts at both ends of the metal power cable sections 10 are fastened in the usual manner, in particular clamped, welded, soldered or angekrampt. Here, the plug or plug-in parts and contacts at the ends of the power cable are preferably coated with a precious metal.
Um die wulstförmigen Erhebungen 7 mit vorzugsweise rechteckförmigem To the bead-shaped elevations 7 with preferably rectangular
Querschnitt auf der Wandinnenseite 4 zu erstellen, besteht ein Spritzwerkzeug, das auf seiner die Gehäusedeckel-Innenwand bildenden Wand rinnenförmige Kanäle besitzt, deren Länge und Form den wulstförmigen Erhebungen 7 entsprechen. Bevor aber der Kunststoff in das Werkzeug eingespritzt wird, wird jeweils ein Stromkabel 10 in den jeweiligen rinnenförmigen Kanal des Cross-section on the inside wall 4 to create, there is an injection molding tool, which has channel-shaped channels on its wall forming the housing cover inner wall whose length and shape correspond to the bead-shaped elevations 7. But before the plastic is injected into the tool, in each case a power cable 10 in the respective channel-shaped channel of
Spritzwerkzeugs gelegt, damit dann danach der in den jeweiligen Kanal eindringende Kunststoff das metallene Stromkabel umgibt. Then placed the injection mold into the respective channel plastic surrounding the metal power cable.
Damit das Stromkabel 10 sicher mittig innerhalb des rinnenförmigen Kanals des Spritzwerkzeugs liegt und während des Kunststoffeinspritzens nicht verschoben wird, bilden beide Seitenwände des Werkzeugkanals halb- oder teilzylindrisch geformte Vorsprünge, die sich dann nach dem Spritzen des Gehäusedeckels als Einbuchtungen 8 an beiden Seitenwänden 9 der länglichen wulstförmigen Erhebungen 7 darstellen. Hierbei sind diese Einbuchtungen 8 entsprechend der Vorsprünge im Spritzwerkzeug auch halb- oder teilzylindrisch geformt. Thus, the power cable 10 securely centered within the channel-shaped channel of the injection mold and is not displaced during the plastic injection, both side walls of the tool channel form semicylindrical or partially cylindrically shaped projections, which then after injection of the housing cover as indentations 8 on both side walls 9 of the elongated represent bead-shaped elevations 7. Here, these indentations 8 are also formed in accordance with the projections in the injection mold and semi-cylindrical or partially cylindrical.
In der Zeichnung ist das Getriebe mit dem umgebenden Getriebegehäuse nicht dargestellt, sondern nur der das Getriebegehäuse schließende Gehäusedeckel. Auch ist die Platine nicht zu sehen, die zwischen dem Gehäusedeckel und dem Getriebe innerhalb des Getriebegehäuses liegt, die die elektrischen und elektronischen Bauteile zum Steuern des Elektromotors aufweist und mit der die inneren Steckteile 6 kontaktieren. In the drawing, the transmission with the surrounding gear housing is not shown, but only the housing closing the gear housing. Also, the circuit board is not visible, which is located between the housing cover and the transmission within the transmission housing, which has the electrical and electronic components for controlling the electric motor and contact the inner male parts 6.

Claims

Ansprüche claims
1. Gehäusedeckel eines Gehäuses insbesondere eines Getriebegehäuses eines Scheibenwischerantriebs, wobei im Kunststoff des Gehäusedeckelbodens (1) auf der Bodeninnenseite (4) elektrische Leiter eingelassen sind, dadurch gekennzeichnet, dass die elektrischen Leiter metallene Stromkabel (10) (10) sind, die vom Kunststoff des Gehäusedeckelbodens (1) umspritzt sind. 1. Housing cover of a housing, in particular a gear housing of a windshield wiper drive, wherein in the plastic of the housing cover bottom (1) on the bottom inside (4) electrical conductors are embedded, characterized in that the electrical conductors metal power cable (10) (10), the plastic of the housing cover bottom (1) are encapsulated.
2. Gehäusedeckel nach Anspruch 1, dadurch gekennzeichnet, dass an einem oder beiden Enden der Stromkabel (10) jeweils ein metallener Stecker (6) befestigt ist. 2. Housing cover according to claim 1, characterized in that at one or both ends of the power cable (10) each have a metal plug (6) is attached.
3. Gehäusedeckel nach Anspruch 2, dadurch gekennzeichnet, dass die Stecker (6) an die Enden der Stromkabel (10) angeklemmt, angeschweißt, angelötet oder angekrampt sind. 3. Housing cover according to claim 2, characterized in that the plug (6) are clamped to the ends of the power cable (10), welded, soldered or angekrampt.
4. Gehäusedeckel nach Anspruch 2 oder 3, dadurch 4. Housing cover according to claim 2 or 3, characterized
gekennzeichnet, dass die Stecker (6) mit einem Edelmetall beschichtet sind.  in that the plugs (6) are coated with a noble metal.
5. Gehäusedeckel nach einem der vorherigen Ansprüche, dadurch 5. Housing cover according to one of the preceding claims, characterized
gekennzeichnet, dass die Stromkabel (10) einen runden oder ovalen Querschnitt aufweisen.  in that the power cables (10) have a round or oval cross-section.
6. Gehäusedeckel nach einem der vorherigen Ansprüche, dadurch 6. Housing cover according to one of the preceding claims, characterized
gekennzeichnet, dass die Stromkabel (10) keinen Isoliermantel aufweisen.  in that the power cables (10) have no insulating jacket.
7. Spritzwerkzeug zum Herstellen eines Gehäusedeckels nach einem der 7. injection molding tool for producing a housing cover according to one of
Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Werkzeug auf seiner die Deckelboden-Innenseite (4) bildenden Claims 1 to 6, characterized in that the Tool on its the lid bottom inside (4) forming
Werkzeugwand rinnenförmige Kanäle aufweist, in denen beim Einspritzen des Kunststoffs jeweils ein Stromkabel (10) einliegt, um innerhalb des Kanals vom Kunststoff umspritzt zu werden.  Tool wall channel-shaped channels in which in each case a power cable (10) rests during injection of the plastic to be encapsulated within the channel of the plastic.
8. Spritzwerkzeug nach Anspruch 7, dadurch gekennzeichnet, dass beide Seitenwände des Werkzeugkanals Vorsprünge bilden, durch die das Stromkabel (10) im Kanal während des Spritzens mittig fixiert ist. 8. injection molding tool according to claim 7, characterized in that both side walls of the tool channel form projections through which the power cable (10) is centrally fixed in the channel during spraying.
9. Spritzwerkzeug nach Anspruch 8, dadurch gekennzeichnet, dass die Vorsprünge halb- oder teilzylindrisch geformt sind. 9. injection molding tool according to claim 8, characterized in that the projections are formed semi or teilzylindrisch.
10. Gehäusedeckel unter Verwendung eines Spritzwerkzeugs nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass nach dem Ausspritzen der rinnenförmigen Kanäle auf der Innenseite (4) des 10. Housing cover using an injection molding tool according to one of claims 7 to 9, characterized in that after the ejection of the channel-shaped channels on the inside (4) of the
Deckelbodens (1) längliche wulstförmige Erhebungen (7) sich erheben, in denen die Stromkabel (10) einhegen.  Lid bottom (1) elongated bead-shaped projections (7) rise, in which the power cables (10) einhegen.
11. Gehäusedeckel nach Anspruch 10, dadurch gekennzeichnet, dass die länglichen wulstförmigen Erhebungen (7) an beiden Seitenwänden Einbuchtungen (8) aufweisen, zwischen denen jeweils ein Stromkabel (10) liegt. 11. Housing cover according to claim 10, characterized in that the elongated bead-shaped elevations (7) on both side walls indentations (8), between each of which a power cable (10).
12. Gehäusedeckel nach Anspruch 11, dadurch gekennzeichnet, dass die Einbuchtungen (8) halb- oder teilzylindrisch sind. 12. Housing cover according to claim 11, characterized in that the indentations (8) are semicylindrical or partially cylindrical.
PCT/EP2013/002089 2012-09-11 2013-07-15 Housing cover of a transmission housing WO2014040668A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012017908.1A DE102012017908A1 (en) 2012-09-11 2012-09-11 Housing cover of a gearbox housing
DE102012017908.1 2012-09-11

Publications (1)

Publication Number Publication Date
WO2014040668A1 true WO2014040668A1 (en) 2014-03-20

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ID=48877191

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Application Number Title Priority Date Filing Date
PCT/EP2013/002089 WO2014040668A1 (en) 2012-09-11 2013-07-15 Housing cover of a transmission housing

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DE (2) DE102012017908A1 (en)
WO (1) WO2014040668A1 (en)

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DE102012017908A1 (en) 2014-03-13
DE202012012869U1 (en) 2014-02-17

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