EP0751589B1 - Abdichtender Verbinder zur Versorgung eines Elektromotors insbesondere für das Motorgebläse einer Heizungs- oder Klimaanlage eines Fahrzeuginnenraumes - Google Patents

Abdichtender Verbinder zur Versorgung eines Elektromotors insbesondere für das Motorgebläse einer Heizungs- oder Klimaanlage eines Fahrzeuginnenraumes Download PDF

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Publication number
EP0751589B1
EP0751589B1 EP19960401429 EP96401429A EP0751589B1 EP 0751589 B1 EP0751589 B1 EP 0751589B1 EP 19960401429 EP19960401429 EP 19960401429 EP 96401429 A EP96401429 A EP 96401429A EP 0751589 B1 EP0751589 B1 EP 0751589B1
Authority
EP
European Patent Office
Prior art keywords
connector
passage
motor
seal
closing
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.)
Expired - Lifetime
Application number
EP19960401429
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English (en)
French (fr)
Other versions
EP0751589A1 (de
Inventor
Dominique Garreau
Michel Lerat
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.)
Siemens Automotive Moteurs Electriques SA
Original Assignee
Siemens Automotive Moteurs Electriques SA
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.)
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Publication date
Application filed by Siemens Automotive Moteurs Electriques SA filed Critical Siemens Automotive Moteurs Electriques SA
Publication of EP0751589A1 publication Critical patent/EP0751589A1/de
Application granted granted Critical
Publication of EP0751589B1 publication Critical patent/EP0751589B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • H01R13/501—Bases; Cases formed as an integral body comprising an integral hinge or a frangible part

Definitions

  • the present invention relates generally to fan units for heaters and / or for air conditioning passenger compartments in motor vehicles.
  • FIG. 1 to 3 of the drawings annexed the general architecture of such a group fan motor. It includes a motor support A, for plastic example, with a B plus barrel or less cylindrical in which is mounted a motor C, and a flange D of more or less circular shape, ensuring the mechanical interface with the casing or the heater or air conditioner on which the fan unit is fitted. More specifically, the flange D ensures docking, positioning and sealing of the fan assembly in relation to the casing or housing cited above.
  • a motor support A for plastic example, with a B plus barrel or less cylindrical in which is mounted a motor C, and a flange D of more or less circular shape, ensuring the mechanical interface with the casing or the heater or air conditioner on which the fan unit is fitted. More specifically, the flange D ensures docking, positioning and sealing of the fan assembly in relation to the casing or housing cited above.
  • Motor C is generally a current motor continuous on which the turbine E is mounted ensuring by rotation of air circulation in the device.
  • Such a fan unit may also include conventionally a set of parts ensuring a mechanical decoupling, mainly for purposes vibration damping, between motor C and the engine mount A. These parts may include shock absorbers, an intermediate ring in one or more parts, etc ...
  • the fan unit can also include an electrical connection harness, optionally welded to engine C, and comprising electrical conductors of appropriate length and ending with an electrical connector either flying or attached to the outside of the engine mount A.
  • the motor is directly installed in barrel B, without any device depreciation.
  • a connector G can then be designed to plug directly onto the motor through a single or multiple window H ( Figure 2) provided on the engine support A, with appropriate docking.
  • the connector is fitted with female contacts for flat or "Faston” (registered trademark) male contacts, with various variants (simple or safety contact, contact straight or in “flag”, etc ).
  • “Faston” registered trademark
  • various variants simple or safety contact, contact straight or in "flag”, etc .
  • international standards for example DIN 46247, NF 13-431 and IEC 760 relating to such electrical contacts.
  • US-A-5 356 312 describes a connector conforming to the preamble of claim 1.
  • the type of female electrical contacts conventionally used in known connectors also requires the aforementioned positioning precision, and is a noise generator because it provides a strong mechanical coupling between the brush holder plate of the motor, mounted on shock absorbers, and the engine support via the connector.
  • the present invention aims to overcome these drawbacks of the state of the art and to propose a fan unit equipped with an integrated connector and which makes it possible to ensure good air and water tightness and to ensure between the motor lugs and the connector a sufficiently flexible mechanical connection so as not to introduce undesirable mechanical coupling, because noise generator, between the brush holder plate of the motor, on which the lugs are fixed, and the connector.
  • the invention provides for this purpose a connector for a electric motor carrying contacts and received in a support motor provided with arrangements for docking said connector, in particular in a motor-fan unit for passenger compartment heating or air conditioning, the connector comprising at least one through passage formed in a box and receiving the end of a conductor power supply and a contact clamp capable of receiving a contact element provided on the motor, said passage opening on one side on said contact element and on the other side on a rear face of the housing, and at least one member closing a free space existing between the conductor and said passage, characterized in that said obturation member is arranged to seal and seal the outlet of said passage at the level of said rear face, said member shutter being made in one piece with the housing and being hinged thereon by a thin connecting part.
  • the invention also provides a fan unit especially for heating or air conditioning equipment passenger compartment of a motor vehicle, characterized in that it includes an engine mount having a docking portion projection projecting at least one opening a contact element of an electric motor, and a connector as defined above.
  • a connector which comprises a housing 1 produced for example by molding of thermoplastic material, in one piece or two pieces welded to each other.
  • This case 1 comprises a body having the general shape a parallelepiped with a large open face. AT from the large opposite face extend, crossing inside the body, two parallel barrels, generally cylindrical, each crossed by a passage having a cylindrical part 6 and part 17 whose cross section presents in this case the general shape of a cross, adapted the passage of the conductive lugs F equipping the motor of the motor-fan unit and the travel of a gripper female contact sheltered in this part as we will see in detail later.
  • one of the two barrels has a wing lateral 18 forming a key in cooperation with a not shown notch adjoining one of the openings H, of so as to prohibit the fitting of the connector with a incorrect polarity.
  • the body of the housing 1 is provided laterally with two flexible legs 19 each with a claw 20 and a operating part, to ensure the locking of the connector on the motor support and its unlocking, claws cooperating with edges arranged at the periphery of the docking zone 5 provided on the engine support.
  • the housing body 1 On the side of the barrels 15, that is to say on its face docking on zone 5, the housing body 1 has a continuous peripheral groove 21.
  • This groove can receive or position a seal 12 ( Figures 6 and 7), in particular an O-ring or a flat seal, for ensure in cooperation with the projecting berthing area 5 a seal between the connector and the engine support A.
  • the seal 12 can be omitted, and the docking area 5 designed to slightly deform outward a rim outside of the groove 21, which is then produced in the form a flexible sealing lip 3 capable of deforming elastically over its entire extent.
  • This solution can be retained in the case of a specification minus demanding in terms of gas and liquid tightness.
  • clamps 2 are locked in the housings 17 to with the help of appropriate arrangements cooperating between housings and clamps, in a conventional manner per se.
  • each bole 15 where the part of cylindrical passage 6, two elements articulated on the body of housing and constituting half-doors 7 having each a semi-circular outline.
  • Each of these doors 7 is connected to the housing body 1 by a thin tongue 8 coming from matter, which allows it to pivot and be introduced into the posterior opening of the associated barrel.
  • Two homologous half-doors define, in position closed, a circular opening 10 whose diameter is substantially equal to that of the corresponding conductor 23, which is introduced into the barrel and on the stripped end from which the contact clamp 2 is crimped (or welded).
  • each half-door 7 has a skirt 9 on the outer face of which are formed locking teeth 24 capable to cooperate with recesses 25 formed in the cylindrical passages for locking the half-doors in position.
  • each skirt is subdivided in several parts by notches (see Figure 4) to give it the flexibility it needs.
  • a multiple flexible lip seal 13 is engaged around each conductor 23 before the engagement thereof in passage 6 of the corresponding barrel.
  • its lips are elastically deform to ensure between conductors 23 and the connector body a seal which comes complete that carried out by doors 7.
  • Each seal 13 is held in place on one side by the crimping of the conductive clamp 2 on the conductor 23. This assembly is confirmed, on the other side, by the half-doors 7 when locked.

Claims (10)

  1. Verbinder für einen Elektromotor (C), der Kontakte aufweist und in einer Motorstützeinrichtung (A) aufgenommen ist, die mit Einrichtungen (5, H) zum Einsetzen des Verbinders, insbesondere in eine Motorgebläseanordnung zum Heizen und Klimatisieren der Fahrgastzelle eines Automobils, versehen ist, wobei der Verbinder aufweist: wenigstens einen durchgehenden Durchlaß (6, 17), der in einem Gehäuse (1) ausgebildet ist und das Ende eines Stromleiters (23) für den Motor und eine Kontaktklemme (2) aufnimmt, die in der Lage ist, ein an dem Motor vorgesehenes Kontaktelement aufzunehmen, wobei sich der Durchlaß auf der einen Seite zum Kontaktelement öffnet und auf der anderen Seite an der Rückseite des Gehäuses mündet, und wenigstens ein Element (7) zum Verschließen eines zwischen dem Leiter und dem Durchlaß bestehenden Freiraums, dadurch gekennzeichnet, daß das Verschlußelement (7) zum Verschließen und Abdichten der Mündung des Durchlasses (6, 17) an der Rückseite angeordnet ist, wobei das Verschlußelement einstückig mit dem Gehäuse ausgebildet und an diesem durch ein dünnes Verbindungsteil (8) angelenkt ist.
  2. Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß für jeden Durchgang zwei, an zwei Stellen an dem Gehäuse (1) angelenkte und zum Verschließen des Freiraums zusammenwirkende Verschlußelemente (7) vorgesehen sind.
  3. Verbinder nach Anspruch 2, dadurch gekennzeichnet, daß der Freiraum Ringform hat, wobei jedes der Verschlußelemente (7) die Form eines Halbrings hat.
  4. Verbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das oder jedes Verschlußelement eine flexible Schürze (9) aufweist, die auf der Außenfläche mit Elementen (24) zum Verriegeln des Elements in der Verschlußposition versehen ist.
  5. Verbinder nach Anspruch 4, dadurch gekennzeichnet, daß die Verriegelungselemente mit in dem entsprechenden Durchlaß ausgebildeten komplementären Ausnehmungen (25) zusammenwirken.
  6. Verbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß er ferner im Inneren des oder jedes Durchgangs eine flexible Dichtung (13) aufweist, die zwischen dem entsprechenden Leiter (23) und der Wand zusammengedrückt und durch ein Crimpen der jeweiligen Kontaktklemme (2) auf den entsprechende Leiter in Position gehalten ist.
  7. Verbinder nach Anspruch 6, dadurch gekennzeichnet, daß die flexible Dichtung (13) eine Dichtung mit mehreren übereinanderliegenden ringförmigen Lippen ist.
  8. Verbinder nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Gehäuse des Verbinders auf einer Einsetzfläche eine Nut (21) zum Aufnehmen einer flexiblen Dichtung (12) aufweist, wobei die Nut einen dünnen Außenrand (3) aufweist, der eine elastisch verformbare Lippe bildet, um wahlweise entweder eine Abdichtung durch eine Dichtung oder eine Abdichtung durch die Lippe zu gewährleisten.
  9. Verbinder nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die oder jede Kontaktklemme (2) eine Reihe flexibler Schenkel aufweist, die sich zunächst einander in Richtung auf ihr freies Ende nähern, sich dann bis zu ihrem freien Ende voneinander entfernen, wobei die Schenkel geeignet sind, ein Kontaktelement (F) des Motors, das jeweils als Steckkontakt ausgebildet ist, zwischen sich aufzunehmen, mit dem sie unter geringem elastischem Druck in Kontakt sind.
  10. Motorgebläseanordnung, insbesondere für die Vorrichtung zum Heizen oder Klimatisieren der Fahrgastzelle eines Automobils, dadurch gekennzeichnet, daß sie eine Motorstützeinrichtung (A) mit einem vorstehenden Einsatzteil (5), das wenigstens eine Öffnung (H) umgrenzt, die ein Kontaktelement (F) eines Elektromotors freigibt, und einen Verbinder (G)nach einem der Ansprüche 1 bis 9 aufweist.
EP19960401429 1995-06-30 1996-06-27 Abdichtender Verbinder zur Versorgung eines Elektromotors insbesondere für das Motorgebläse einer Heizungs- oder Klimaanlage eines Fahrzeuginnenraumes Expired - Lifetime EP0751589B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9507913A FR2736215B1 (fr) 1995-06-30 1995-06-30 Connecteur etanche pour l'alimentation d'un moteur electrique, notamment dans un groupe moto-ventilateur d'un appareil de chauffage ou de climatisation d'habitacle de vehicule automobile
FR9507913 1995-06-30

Publications (2)

Publication Number Publication Date
EP0751589A1 EP0751589A1 (de) 1997-01-02
EP0751589B1 true EP0751589B1 (de) 1999-03-10

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EP19960401429 Expired - Lifetime EP0751589B1 (de) 1995-06-30 1996-06-27 Abdichtender Verbinder zur Versorgung eines Elektromotors insbesondere für das Motorgebläse einer Heizungs- oder Klimaanlage eines Fahrzeuginnenraumes

Country Status (3)

Country Link
EP (1) EP0751589B1 (de)
DE (1) DE69601665T2 (de)
FR (1) FR2736215B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575342B1 (fr) * 1984-12-20 1988-06-24 Valeo Dispositif de retenue d'un moteur electrique dans un boitier
GB2216736B (en) * 1988-02-12 1992-09-02 Yazaki Corp Waterproof plug for electrical connector
JPH0550677U (ja) * 1991-12-09 1993-07-02 矢崎総業株式会社 コネクタの防水栓

Also Published As

Publication number Publication date
EP0751589A1 (de) 1997-01-02
DE69601665D1 (de) 1999-04-15
FR2736215B1 (fr) 1997-09-12
FR2736215A1 (fr) 1997-01-03
DE69601665T2 (de) 1999-10-14

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