EP3794685B1 - Angled electrical connector - Google Patents

Angled electrical connector Download PDF

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Publication number
EP3794685B1
EP3794685B1 EP19722782.0A EP19722782A EP3794685B1 EP 3794685 B1 EP3794685 B1 EP 3794685B1 EP 19722782 A EP19722782 A EP 19722782A EP 3794685 B1 EP3794685 B1 EP 3794685B1
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EP
European Patent Office
Prior art keywords
pressing portion
electrical plug
connector according
flange
limb
Prior art date
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Active
Application number
EP19722782.0A
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German (de)
French (fr)
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EP3794685A1 (en
Inventor
Hrvoje Babic
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.)
Phoenix Contact GmbH and Co KG
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Phoenix Contact GmbH and Co KG
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Publication of EP3794685A1 publication Critical patent/EP3794685A1/en
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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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622—Screw-ring or screw-casing
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws

Definitions

  • the invention relates to an electrical angle plug connector for attachment to a unit housing, with an angled plug housing and a flange base, the plug housing having a connecting leg for an electrical plug connector and a connecting leg for the flange base, and the flange base has a fastening flange for the unit housing and a receiving sleeve for the connecting leg , and the connecting leg penetrates at least the receiving sleeve, protrudes with a free end-side leg section over the fastening flange and is rotatably fixed to the flange base in the circumferential direction, and wherein at least one annular seal is arranged between the receiving sleeve and the connecting leg and an annular sealing element is arranged on the front side of the fastening flange is attached to a plant side assigned to the unit housing.
  • the EP 3 089 284 A1 discloses a generic angled connector with an angled connector housing and with a flange sleeve, the connector housing in the area of a first connector housing section, with the flange sleeve being fastened to the first connector housing section by means of an axial holding device acting in the direction of a longitudinal axis of the first connector housing section, and with the axial holding device having a radial stop which extends from an inside of the flange sleeve in the direction an outer side of the first connector housing section and has a counter bearing which is in operative connection with the first connector housing section to define the axial position relative to one another.
  • the axial holding device has a spring element which is arranged in an intermediate space between the inside of the flange sleeve and an outside of the first connector housing section and generates an axial spring force, the counter bearing having a locking ring which is fitted with a locking device in a locking groove on the outside of the first connector housing section is locked.
  • a sealing ring preferably an O-ring, is arranged in the intermediate space, which seals the annular gap between the inside of the flange sleeve and the outside of the first connector housing section.
  • the flanged sleeve has a rearwardly open receiving groove for a seal at a rear end of the angle plug, the receiving groove being delimited by a radially inner groove web which is designed to be axially flush with the inner side of the flanged sleeve delimiting the intermediate space.
  • the connector housing and the flange sleeve are usually made of metal.
  • the angle connector is used, for example, as a connection connector for electric motors and is flanged to the motor housing. Twisting the angled connector housing when attaching it to the motor housing or due to vibrations during operation of the motor can lead to metallic abrasion, which can penetrate directly into the interior of the motor and lead to malfunctions of the motor or cause motor damage. This is considered to be disadvantageous in the prior art cited above.
  • the invention is based on the object of proposing a possibility with which the penetration of metallic abrasion from the overlapping area of the connector housing and the flange sleeve into the motor interior, i.e. the unit housing.
  • the solution should be simple, inexpensive and wear-resistant.
  • the annular sealing element which is attached to the front of the fastening flange on a contact side assigned to the unit housing, is produced as a molded seal from at least one elastic material and has an axial pressing section and a radial pressing section, with the axial pressing section a seal between the mounting flange and the unit housing and the radial pressing section causes a seal between the mounting flange and the end leg section of the connecting leg when the angle connector is connected to the unit housing via the flange base, for example screwed.
  • the radial pressing section is closer to an axially extending central axis of the connecting leg and the flange base than the axial pressing section and preferably directly adjoins it.
  • the axial pressing section and the radial pressing section are each formed by an annular partial area of the molded seal. These two sections can consist of an elastically deformable material or of different materials of this type.
  • the angle connector has an angled plug housing and a flange base, the plug housing having a connection leg for an electrical plug connector and a connecting leg for the flange base and the flange base a fastening flange for the assembly housing and a receiving sleeve for the connecting leg.
  • An insulating contact carrier with electrical plug-in contacts which can be in the form of plug-in pins or sockets, is arranged in the connecting leg.
  • the connecting leg of the plug housing passes through at least the receiving sleeve of the flange base, preferably protrudes with a free end-side leg section beyond the fastening flange and is rotatably fixed in the circumferential direction on the flange base, with at least one ring-shaped seal being arranged between the receiving sleeve and the connecting leg.
  • the axial pressing section of the ring-shaped sealing element formed by the molded seal is designed higher in the axial direction of the molded seal than the radial pressing section and is therefore less flexible than the radial pressing section.
  • the radial pressing section is preferably of lamellar design and has a circumferential sealing lip extending radially inwards away from the axial pressing section.
  • the radial pressing section is similarly dimensionally stable in the radial direction of the molded seal as the axial pressing section in the axial direction of the molded seal.
  • the sealing lip is arranged on an inner edge of the radial pressing section and extends in the circumferential direction along the radial pressing section.
  • the fastening flange has a circumferential annular groove on the contact side for receiving the molded seal.
  • the axial pressing section of the shaped seal has at least two radially outwardly protruding retaining wings and the annular groove preferably has lateral, radially extending extensions for receiving the retaining wings of the shaped seal.
  • the end leg section of the connecting leg of the plug housing has a circumferential annular recess, with preferably at least the sealing lip of the radial pressing section of the molded seal in the annular recess of the connecting leg engages and is ideally in contact with the base of the annular recess.
  • the lamellar radial pressing section and/or the sealing lip of the radial pressing section thus seal a cylindrical gap between an inside of the receiving sleeve and an outside of the connecting leg of the plug housing both radially and axially, so that no unwanted abrasion can get into the assembly housing.
  • the molded seal which is attached to the face of the attachment flange on the contact side assigned to the unit housing, is preferably arranged captively there.
  • the circumferential annular groove provided on the contact side for receiving the molded seal is adapted to the geometry and dimensions of the molded seal in such a way that there is a slight press fit.
  • the ring-shaped radial pressing section of the molded seal in particular its sealing lip, engages in the annular recess of the connecting leg and prevents the molded seal from being unintentionally released from the fastening flange until the angle connector is installed on a unit housing.
  • the optionally provided retaining wings of the shaped seal which are arranged on the axial pressing section, in conjunction with the lateral extensions of the annular groove in which the shaped seal lies, can provide additional support for the shaped seal. All of these measures ensure that the molded seal does not come loose from the contact side of the mounting flange.
  • the figure 2 shows the angle connector 1 described above in a longitudinal section. It can be seen here that the connecting leg 5 passes through the receiving sleeve 7 and the fastening flange 6, with a free end-side leg section 8 of the connecting leg 5 protruding beyond the fastening flange 6, and the flange base 3 and the plug housing 3 being held together by a spring ring 9.
  • An annular seal 10 is arranged between the receiving sleeve 7 and the connecting leg 5 .
  • an annular sealing element 11 is attached to the front side of the fastening flange 6 on a contact side 12 assigned to the unit housing.
  • the figure 3 shows the flange base 3 with the sealing element 11 arranged thereon in an enlarged view.
  • the sealing element 11 is designed as an annular molded seal 11' with an axial pressing section 13 and a radial pressing section 14, with the axial pressing section 13 forming a seal between the fastening flange 6 and the unit housing and the radial pressing section 14 forming a seal between the fastening flange 6 and the end leg section 8 of the connecting leg 5 causes.
  • the axial pressing section 13 is formed higher in the axial direction than the radial pressing section 14 , which tapers conically in the direction of the leg section 8 .
  • the radial pressing portion 14 is thus formed in a lamellar shape.
  • the fastening flange 6 has a circumferential annular groove 15 for receiving the molded seal 11'.
  • the axial pressing section 13 projects in the axial direction over the annular groove 15 and thus over the contact side 12
  • the radial pressing section 14 of the molded seal 11 ′ projects in the radial direction over the annular groove 15 .
  • the end leg section 8 of the connecting leg 5 has a peripheral annular recess 16 .
  • the radial pressing section 14 of the molded seal 11' engages in this annular recess 16.
  • the figure 4 shows the sealing element 11 or the molded seal 11' in a perspective view. These are ring-shaped.
  • the axial pressing section 13 and the radial pressing section 14 are ring-shaped, with the axial pressing section 13 enclosing the radial pressing section 14 in the radial direction, adjoining it and being formed integrally with the radial pressing section 14 .
  • the radial pressing section 14 has a circumferential sealing lip 17 which extends radially inwards away from the radial pressing section 14 and also away from the axial pressing section 13 .
  • the axial pressing section 13 has two radially outwards protruding retaining wings 18, the annular groove 15 having two lateral projections 19 for receiving the retaining wings 18 of the molded seal 11' is formed.
  • the sealing lip 17 engages like that figure 3 illustrated, in the annular recess 16 of the end leg portion 8 of the connecting leg 5, wherein the sealing lip 17 on the base 16 of the annular recess 16 is in contact.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

Die Erfindung betrifft einen elektrischen Winkelsteckverbinder zum Anbau an ein Aggregatsgehäuse, mit einem gewinkelten Steckergehäuse und einem Flanschsockel, wobei das Steckergehäuse einen Anschlussschenkel für einen elektrischen Steckverbinder sowie einen Verbindungsschenkel für den Flanschsockel und der Flanschsockel einen Befestigungsflansch für das Aggregatsgehäuse sowie eine Aufnahmehülse für den Verbindungsschenkel aufweist, und der Verbindungsschenkel zumindest die Aufnahmehülse durchsetzt, mit einem freien endseitigen Schenkelabschnitt über den Befestigungsflansch vorsteht und in Umfangsrichtung drehbar an dem Flanschsockel festgelegt ist, und wobei mindestens eine ringförmige Dichtung zwischen der Aufnahmehülse und dem Verbindungsschenkel angeordnet sowie ein ringförmiges Dichtelement stirnseitig an dem Befestigungsflansch auf einer dem Aggregatsgehäuse zugeordneten Anlageseite angebracht ist.The invention relates to an electrical angle plug connector for attachment to a unit housing, with an angled plug housing and a flange base, the plug housing having a connecting leg for an electrical plug connector and a connecting leg for the flange base, and the flange base has a fastening flange for the unit housing and a receiving sleeve for the connecting leg , and the connecting leg penetrates at least the receiving sleeve, protrudes with a free end-side leg section over the fastening flange and is rotatably fixed to the flange base in the circumferential direction, and wherein at least one annular seal is arranged between the receiving sleeve and the connecting leg and an annular sealing element is arranged on the front side of the fastening flange is attached to a plant side assigned to the unit housing.

Elektrische Winkelsteckverbinder der eingangs genannten Art sind aus dem Stand der Technik in vielfältigen Ausführungsformen bekannt. Beispielhaft wird auf die Druckschrift EP 3 089 284 A1 verwiesen.Electrical angle connectors of the type mentioned are known from the prior art in many different embodiments. Reference is made to the pamphlet as an example EP 3 089 284 A1 referred.

Die EP 3 089 284 A1 offenbart einen gattungsgemäßen Winkelstecker mit einem gewinkelten Steckergehäuse und mit einer Flanschhülse, die das Steckergehäuse im Bereich eines ersten Steckergehäuseabschnitts umfangsseitig umgibt, wobei die Flanschhülse mittels einer in Richtung einer Längsachse des ersten Steckergehäuseabschnitts wirkenden Axial-Haltevorrichtung an dem ersten Steckergehäuseabschnitt befestigt ist, und wobei die Axial-Haltevorrichtung einen Radialanschlag aufweist, der sich von einer Innenseite der Flanschhülse in Richtung einer Außenseite des ersten Steckergehäuseabschnitts erstreckt und eine Gegenlagerung aufweist, welche mit dem ersten Steckergehäuseabschnitt zur Festlegung der axialen Position zueinander in Wirkverbindung steht. Dabei weist die Axial-Haltevorrichtung ein Federelement auf, welches in einem Zwischenraum zwischen der Innenseite der Flanschhülse und einer Außenseite des ersten Steckergehäuseabschnitts angeordnet ist und eine axiale Federkraft erzeugt, wobei die Gegenlagerung einen Verrastring aufweist, der mit einer Rasteinrichtung in einer Rastnut in der Außenseite des ersten Steckergehäuseabschnitts verrastet ist. In dem Zwischenraum ist überdies ein Dichtring, vorzugsweise ein O-Ring angeordnet, der den Ringspalt zwischen der Innenseite der Flanschhülse und der Außenseite des ersten Steckergehäuseabschnitts abdichtet. Zudem weist die Flanschhülse an einem hinteren Ende des Winkelsteckers eine nach hinten offene Aufnahmenut für eine Dichtung auf, wobei die Aufnahmenut mit einem radial inneren Nutsteg begrenzt ist, der der axial fluchtend mit der den Zwischenraum begrenzenden Innenseite der Flanschhülse ausgebildet ist.the EP 3 089 284 A1 discloses a generic angled connector with an angled connector housing and with a flange sleeve, the connector housing in the area of a first connector housing section, with the flange sleeve being fastened to the first connector housing section by means of an axial holding device acting in the direction of a longitudinal axis of the first connector housing section, and with the axial holding device having a radial stop which extends from an inside of the flange sleeve in the direction an outer side of the first connector housing section and has a counter bearing which is in operative connection with the first connector housing section to define the axial position relative to one another. The axial holding device has a spring element which is arranged in an intermediate space between the inside of the flange sleeve and an outside of the first connector housing section and generates an axial spring force, the counter bearing having a locking ring which is fitted with a locking device in a locking groove on the outside of the first connector housing section is locked. In addition, a sealing ring, preferably an O-ring, is arranged in the intermediate space, which seals the annular gap between the inside of the flange sleeve and the outside of the first connector housing section. In addition, the flanged sleeve has a rearwardly open receiving groove for a seal at a rear end of the angle plug, the receiving groove being delimited by a radially inner groove web which is designed to be axially flush with the inner side of the flanged sleeve delimiting the intermediate space.

Das Steckergehäuse und die Flanschhülse sind dabei üblicherweise aus Metall hergestellt. Der Winkelsteckverbinder wird beispielsweise als Anschlusssteckverbinder für Elektromotoren verwendet und an das Motorgehäuse angeflanscht. Beim Verdrehen des gewinkelten Steckergehäuses beim Anbringen am dem Motorgehäuse oder durch Vibrationen beim Betrieb des Motors kann es zu metallischen Abrieb kommen, der unmittelbar in das Motorinnere gelangen und zu Betriebsstörungen des Motors bzw. führen bzw. Motorschäden verursachen kann. Dies wird dem vorstehend aufgeführten Stand der Technik als nachteilig angesehen.The connector housing and the flange sleeve are usually made of metal. The angle connector is used, for example, as a connection connector for electric motors and is flanged to the motor housing. Twisting the angled connector housing when attaching it to the motor housing or due to vibrations during operation of the motor can lead to metallic abrasion, which can penetrate directly into the interior of the motor and lead to malfunctions of the motor or cause motor damage. This is considered to be disadvantageous in the prior art cited above.

Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, eine Möglichkeit vorzuschlagen, mit der das Eindringen von metallischem Abrieb aus dem Überlappungsbereich von Steckergehäuse und die Flanschhülse in das Motorinnere, d.h. das Aggregatgehäuse zu verhindern. Dabei soll die Lösung einfach, kostengünstig und verschleißfest sein.Proceeding from this, the invention is based on the object of proposing a possibility with which the penetration of metallic abrasion from the overlapping area of the connector housing and the flange sleeve into the motor interior, i.e. the unit housing. The solution should be simple, inexpensive and wear-resistant.

Diese Aufgabe wird erfindungsgemäß durch elektrischen Winkelsteckverbinder mit den Merkmalen des unabhängigen Anspruchs 1 gelöst. Weitere vorteilhafte Ausführungsformen sind den rückbezogenen Ansprüchen zu entnehmen.According to the invention, this object is achieved by electrical right-angle connectors having the features of independent claim 1 . Further advantageous embodiments can be found in the dependent claims.

Danach ist bei dem erfindungsgemäßen elektrischen Winkelsteckverbinder zum Anbau an ein Aggregatsgehäuse das ringförmige Dichtelement, das stirnseitig an dem Befestigungsflansch auf einer dem Aggregatsgehäuse zugeordneten Anlageseite angebracht ist, als Formdichtung aus mindestens einem elastischen Material hergestellt und weist einen Axialpressabschnitt und einen Radialpressabschnitt auf, wobei der Axialpressabschnitt eine Abdichtung zwischen dem Befestigungsflansch und dem Aggregatgehäuse und der Radialpressabschnitt eine Abdichtung zwischen dem Befestigungsflansch und dem endseitigen Schenkelabschnitt des Verbindungsschenkels bewirkt, wenn der Winkelsteckverbinder über den Flanschsockel mit dem Aggregatgehäuse verbunden, beispielsweise verschraubt ist. Der Radialpressabschnitt liegt einer sich axial erstreckenden Mittelachse des Verbindungsschenkels und des Flanschsockels näher als der Axialpressabschnitt und schließt vorzugsweise direkt an diesen an. Der Axialpressabschnitt und der Radialpressabschnitt werden jeweils von einem ringförmigen Teilbereich der Formdichtung gebildet. Diese beiden Teilbereiche können aus einem elastisch verformbaren Material oder aus unterschiedlichen derartigen Materialien bestehen.According to this, in the electrical right-angle connector according to the invention for attachment to a unit housing, the annular sealing element, which is attached to the front of the fastening flange on a contact side assigned to the unit housing, is produced as a molded seal from at least one elastic material and has an axial pressing section and a radial pressing section, with the axial pressing section a seal between the mounting flange and the unit housing and the radial pressing section causes a seal between the mounting flange and the end leg section of the connecting leg when the angle connector is connected to the unit housing via the flange base, for example screwed. The radial pressing section is closer to an axially extending central axis of the connecting leg and the flange base than the axial pressing section and preferably directly adjoins it. The axial pressing section and the radial pressing section are each formed by an annular partial area of the molded seal. These two sections can consist of an elastically deformable material or of different materials of this type.

Dabei weist der Winkelsteckverbinder ein gewinkeltes Steckergehäuse und einen Flanschsockel auf, wobei das Steckergehäuse einen Anschlussschenkel für einen elektrischen Steckverbinder sowie einen Verbindungsschenkel für den Flanschsockel und der Flanschsockel einen Befestigungsflansch für das Aggregatsgehäuse sowie eine Aufnahmehülse für den Verbindungsschenkel auf. In dem Anschlussschenkel ist ein isolierender Kontaktträger mit elektrischen Steckkontakten angeordnet, die als Steckstifte oder Steckbuchsen ausgebildet sein können. Der Verbindungsschenkel des Steckergehäuses durchsetzt zumindest die Aufnahmehülse des Flanschsockels, steht vorzugsweise mit einem freien endseitigen Schenkelabschnitt über den Befestigungsflansch vor und ist in Umfangsrichtung drehbar an dem Flanschsockel festgelegt, wobei mindestens eine ringförmige Dichtung zwischen der Aufnahmehülse und dem Verbindungsschenkel angeordnet sind.The angle connector has an angled plug housing and a flange base, the plug housing having a connection leg for an electrical plug connector and a connecting leg for the flange base and the flange base a fastening flange for the assembly housing and a receiving sleeve for the connecting leg. An insulating contact carrier with electrical plug-in contacts, which can be in the form of plug-in pins or sockets, is arranged in the connecting leg. The connecting leg of the plug housing passes through at least the receiving sleeve of the flange base, preferably protrudes with a free end-side leg section beyond the fastening flange and is rotatably fixed in the circumferential direction on the flange base, with at least one ring-shaped seal being arranged between the receiving sleeve and the connecting leg.

Vorzugsweise ist der Axialpressabschnitt des von der Formdichtung gebildeten ringförmigen Dichtelements in axialer Richtung der Formdichtung höher ausgebildet als der Radialpressabschnitt und damit weniger nachgiebig als der Radialpressabschnitt. Bevorzugt ist der Radialpressabschnitt lamellenförmig ausgebildet und weist eine sich radial nach innen von dem Axialpressabschnitt weg erstreckende umlaufende Dichtlippe auf. Der Radialpressabschnitt ist in radialer Richtung der Formdichtung ähnlich formstabil wie der Axialpressabschnitt in axialer Richtung der Formdichtung. Die Dichtlippe ist an einem Innenrand des Radialpressabschnitts angeordnet und erstreckt sich in Umfangsrichtung entlang des Radialpressabschnitts.Preferably, the axial pressing section of the ring-shaped sealing element formed by the molded seal is designed higher in the axial direction of the molded seal than the radial pressing section and is therefore less flexible than the radial pressing section. The radial pressing section is preferably of lamellar design and has a circumferential sealing lip extending radially inwards away from the axial pressing section. The radial pressing section is similarly dimensionally stable in the radial direction of the molded seal as the axial pressing section in the axial direction of the molded seal. The sealing lip is arranged on an inner edge of the radial pressing section and extends in the circumferential direction along the radial pressing section.

In einer Ausführungsform weist dass der Befestigungsflansch auf der Anlageseite eine umlaufende Ringnut zur Aufnahme der Formdichtung auf. In einer bevorzugten Ausführungsform der Erfindung weist der Axialpressabschnitt der Formdichtung mindestens zwei radial nach außen abstehende Halteflügel auf und die Ringnut vorzugsweise seitliche radial verlaufende Fortsätze zur Aufnahme der Halteflügel der Formdichtung auf.In one embodiment, the fastening flange has a circumferential annular groove on the contact side for receiving the molded seal. In a preferred embodiment of the invention, the axial pressing section of the shaped seal has at least two radially outwardly protruding retaining wings and the annular groove preferably has lateral, radially extending extensions for receiving the retaining wings of the shaped seal.

Bei einer vorteilhaften Variante des erfindungsgemäßen Winkelsteckverbinders weist der endseitige Schenkelabschnitt des Verbindungsschenkels des Steckergehäuses eine umlaufende Ringausnehmung auf, wobei vorzugsweise zumindest die Dichtlippe des Radialpressabschnittes der Formdichtung in die Ringausnehmung des Verbindungsschenkels eingreift und idealerweise am Grund der Ringausnehmung in Anlage ist. Damit dichten der lamellenförmig ausgeführte Radialpressabschnitt und/oder die Dichtlippe des Radialpressabschnitt einen zylinderförmigen Spalt zwischen einer Innenseite der Aufnahmehülse und einer Außenseite des Verbindungsschenkels des Steckergehäuses sowohl radial wie auch axial ab, sodass kein unerwünschter Abrieb mehr in das Aggregatgehäuse geraten kann.In an advantageous variant of the angle connector according to the invention, the end leg section of the connecting leg of the plug housing has a circumferential annular recess, with preferably at least the sealing lip of the radial pressing section of the molded seal in the annular recess of the connecting leg engages and is ideally in contact with the base of the annular recess. The lamellar radial pressing section and/or the sealing lip of the radial pressing section thus seal a cylindrical gap between an inside of the receiving sleeve and an outside of the connecting leg of the plug housing both radially and axially, so that no unwanted abrasion can get into the assembly housing.

Die Formdichtung, die stirnseitig an dem Befestigungsflansch auf der dem Aggregatsgehäuse zugeordneten Anlageseite angebracht ist, ist dort vorzugsweise unverlierbar angeordnet. Dazu ist zum einen die auf der Anlageseite vorgesehene umlaufende Ringnut zur Aufnahme der Formdichtung an die Geometrie und die Maße der Formdichtung derart angepasst, dass eine leichte Presspassung vorliegt. Zum anderen greift der ringförmige Radialpressabschnitt der Formdichtung, insbesondere dessen Dichtlippe in die Ringausnehmung des Verbindungsschenkels ein und verhindert ein ungewolltes Lösen der Formdichtung von dem Befestigungsflansch bis zu der Montage des Winkelsteckverbinder an einem Aggregatsgehäuse. Zusätzlich können die optional vorgesehenen Halteflügel der Formdichtung, die an dem Axialpressabschnitt angeordnet sind, in Verbindung mit den seitlichen Fortsätzen der Ringnut, in dem die Formdichtung einliegt, zusätzlichen Halt für die Formdichtung geben. Durch all diese Maßnahmen wird die Formdichtung vor dem Lösen von der Anlageseite des Befestigungsflansches gesichert.The molded seal, which is attached to the face of the attachment flange on the contact side assigned to the unit housing, is preferably arranged captively there. For this purpose, on the one hand, the circumferential annular groove provided on the contact side for receiving the molded seal is adapted to the geometry and dimensions of the molded seal in such a way that there is a slight press fit. On the other hand, the ring-shaped radial pressing section of the molded seal, in particular its sealing lip, engages in the annular recess of the connecting leg and prevents the molded seal from being unintentionally released from the fastening flange until the angle connector is installed on a unit housing. In addition, the optionally provided retaining wings of the shaped seal, which are arranged on the axial pressing section, in conjunction with the lateral extensions of the annular groove in which the shaped seal lies, can provide additional support for the shaped seal. All of these measures ensure that the molded seal does not come loose from the contact side of the mounting flange.

Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar. Zur Ausführung der Erfindung müssen nicht alle Merkmale des Anspruchs 1 verwirklicht sein. Auch können einzelne Merkmale der unabhängigen oder nebengeordneten Ansprüche durch andere offenbarte Merkmale oder Merkmalskombinationen ersetzt werden.The features and combinations of features mentioned above in the description and the features and combinations of features mentioned below in the description of the figures and/or shown alone in the figures can be used not only in the combination specified in each case, but also in other combinations or on their own. Not all features of claim 1 have to be realized in order to carry out the invention. Individual features of the independent or subordinate claims can also be replaced by other disclosed features or combinations of features.

Sämtliche aus den Ansprüchen, der Beschreibung oder der Zeichnung hervorgehenden Merkmale und/oder Vorteile, einschließlich konstruktive Einzelheiten, räumliche Anordnung und Verfahrensschritte können sowohl für sich als auch in den verschiedensten Kombinationen erfindungswesentlich sein. In den Figuren werden gleiche oder ähnliche Bauteile mit gleichen oder ähnlichen Bezugszeichen gekennzeichnet.All features and/or advantages resulting from the claims, the description or the drawing, including structural details, Spatial arrangement and process steps can be essential to the invention both on their own and in the most varied of combinations. In the figures, the same or similar components are identified with the same or similar reference symbols.

Nachfolgend wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen in einer schematischen Darstellung:

  • Figur 1 ein erfindungsgemäßen elektrischen Winkelsteckverbinder, mit einem gewinkeltes Steckergehäuse und einem Flanschsockel, in perspektivischer Darstellung;
  • Figur 2 den Winkelsteckverbinder aus der Figur 1, in einer Längsschnittdarstellung;
  • Figur 3 den Flanschsockel aus der Figur 2 mit der daran angeordneten Formdichtung, in vergrößerter Darstellung; und
  • Figur 4 die Formdichtung aus Figur 3, in perspektivischer Darstellung.
Die Figur 1 zeigt einen elektrischen Winkelsteckverbinder 1 zum Anbau an ein nicht dargestelltes Aggregatsgehäuse in perspektivischer Darstellung, mit einem gewinkelten Steckergehäuse 2 und einem Flanschsockel 3, wobei das Steckergehäuse 2 einen Anschlussschenkel 4 für einen nicht abgebildeten elektrischen Steckverbinder sowie einen Verbindungsschenkel 5 für den Flanschsockel 3 und der Flanschsockel 3 einen Befestigungsflansch 6 für das Aggregatsgehäuse sowie eine Aufnahmehülse 7 für den Verbindungsschenkel 5 aufweist. Das Steckergehäuse 2 ist mit seinem Verbindungsschenkel 5 in Umfangsrichtung drehbar an dem Flanschsockel 3 festgelegt.The invention is explained in more detail below using an exemplary embodiment illustrated in the drawing. It shows in a schematic representation:
  • figure 1 an electrical angle connector according to the invention, with an angled plug housing and a flange base, in a perspective view;
  • figure 2 the angle connector from the figure 1 , in a longitudinal section;
  • figure 3 the flange base from the figure 2 with the molded seal arranged thereon, in an enlarged view; and
  • figure 4 the form seal figure 3 , in perspective view.
the figure 1 shows an electrical angle connector 1 for attachment to a unit housing, not shown, in a perspective view, with an angled connector housing 2 and a flange base 3, the connector housing 2 having a connection leg 4 for an electrical connector, not shown, and a connecting leg 5 for the flange base 3 and the flange base 3 has a fastening flange 6 for the unit housing and a receiving sleeve 7 for the connecting leg 5. The connector housing 2 is fixed to the flange base 3 so that it can rotate in the circumferential direction with its connecting leg 5 .

Die Figur 2 zeigt den vorstehend beschrieben Winkelteckverbinder 1 in einer Längsschnittdarstellung. Hier ist zu sehen, dass der Verbindungsschenkel 5 die Aufnahmehülse 7 und den Befestigungsflansch 6 durchsetzt, wobei ein freier endseitiger Schenkelabschnitt 8 des Verbindungsschenkels 5 über den Befestigungsflansch 6 vorsteht, und der Flanschsockel 3 und das Steckergehäuse 3 über einen Federring 9 zusammengehalten werden. Zwischen der Aufnahmehülse 7 und dem Verbindungsschenkel 5 ist eine ringförmige Dichtung 10 angeordnet. Außerdem ist ein ringförmiges Dichtelement 11 stirnseitig an dem Befestigungsflansch 6 auf einer dem Aggregatsgehäuse zugeordneten Anlageseite 12 angebracht.the figure 2 shows the angle connector 1 described above in a longitudinal section. It can be seen here that the connecting leg 5 passes through the receiving sleeve 7 and the fastening flange 6, with a free end-side leg section 8 of the connecting leg 5 protruding beyond the fastening flange 6, and the flange base 3 and the plug housing 3 being held together by a spring ring 9. An annular seal 10 is arranged between the receiving sleeve 7 and the connecting leg 5 . Besides is an annular sealing element 11 is attached to the front side of the fastening flange 6 on a contact side 12 assigned to the unit housing.

Die Figur 3 zeigt den Flanschsockel 3 mit der daran angeordneten Dichtelement 11 in vergrößerter Darstellung. Das Dichtelement 11 ist als ringförmige Formdichtung 11' mit einem Axialpressabschnitt 13 und einem Radialpressabschnitt 14 ausgeführt, wobei der Axialpressabschnitt 13 eine Abdichtung zwischen dem Befestigungsflansch 6 und dem Aggregatgehäuse und der Radialpressabschnitt 14 eine Abdichtung zwischen dem Befestigungsflansch 6 und dem endseitigen Schenkelabschnitt 8 des Verbindungsschenkels 5 bewirkt. Der Axialpressabschnitt 13 ist in axialer Richtung höher ausgebildet als der Radialpressabschnitt 14, der sich in Richtung des Schenkelabschnitts 8 konisch verjüngt. Der Radialpressabschnitt 14 ist damit lamellenförmig ausgebildet.the figure 3 shows the flange base 3 with the sealing element 11 arranged thereon in an enlarged view. The sealing element 11 is designed as an annular molded seal 11' with an axial pressing section 13 and a radial pressing section 14, with the axial pressing section 13 forming a seal between the fastening flange 6 and the unit housing and the radial pressing section 14 forming a seal between the fastening flange 6 and the end leg section 8 of the connecting leg 5 causes. The axial pressing section 13 is formed higher in the axial direction than the radial pressing section 14 , which tapers conically in the direction of the leg section 8 . The radial pressing portion 14 is thus formed in a lamellar shape.

Der Befestigungsflansch 6 weist auf der Anlageseite 12 eine umlaufende Ringnut 15 zur Aufnahme der Formdichtung 11' aufweist. Bei der Formdichtung 11' steht der Axialpressabschnitt 13 in axialer Richtung über die Ringnut 15 und damit über die Anlageseite 12 vor, während der Radialpressabschnitt 14 der Formdichtung 11' in radialer Richtung über die über die Ringnut 15 vorsteht. Der endseitige Schenkelabschnitt 8 des Verbindungsschenkels 5 weist eine umlaufende Ringausnehmung 16 auf. In diese Ringausnehmung 16 greift der Radialpressabschnitt 14 der Formdichtung 11' ein.On the contact side 12, the fastening flange 6 has a circumferential annular groove 15 for receiving the molded seal 11'. In the case of the molded seal 11 ′, the axial pressing section 13 projects in the axial direction over the annular groove 15 and thus over the contact side 12 , while the radial pressing section 14 of the molded seal 11 ′ projects in the radial direction over the annular groove 15 . The end leg section 8 of the connecting leg 5 has a peripheral annular recess 16 . The radial pressing section 14 of the molded seal 11' engages in this annular recess 16.

Die Figur 4 zeigt das Dichtelement 11 bzw. die Formdichtung 11' in perspektivischer Darstellung. Diese sind ringförmig ausgebildet. Entsprechend sind der Axialpressabschnitt 13 und die Radialpressabschnitt 14 ringförmig ausgebildet, wobei der Axialpressabschnitt 13 den Radialpressabschnitt 14 in radialer Richtung umschließt, an diesen angrenzt und mit dem Radialpressabschnitt 14 integral ausgebildet ist. Der Radialpressabschnitt 14 weist eine sich radial nach innen von dem Radialpressabschnitt 14 und auch von dem Axialpressabschnitt 13 weg erstreckende umlaufende Dichtlippe 17 auf. Der Axialpressabschnitt 13 weist zwei radial nach außen abstehende Halteflügel 18 auf, wobei die Ringnut 15 mit zwei seitlichen Fortsätzen 19 zur Aufnahme der Halteflügel 18 der Formdichtung 11' ausgebildet ist. Die Dichtlippe 17 greift wie die Figur 3 veranschaulicht, in die Ringausnehmung 16 des endseitigen Schenkelabschnitts 8 des Verbindungsschenkels 5 ein, wobei die Dichtlippe 17 am Grund 16 der Ringausnehmung 16 in Anlage ist.the figure 4 shows the sealing element 11 or the molded seal 11' in a perspective view. These are ring-shaped. Correspondingly, the axial pressing section 13 and the radial pressing section 14 are ring-shaped, with the axial pressing section 13 enclosing the radial pressing section 14 in the radial direction, adjoining it and being formed integrally with the radial pressing section 14 . The radial pressing section 14 has a circumferential sealing lip 17 which extends radially inwards away from the radial pressing section 14 and also away from the axial pressing section 13 . The axial pressing section 13 has two radially outwards protruding retaining wings 18, the annular groove 15 having two lateral projections 19 for receiving the retaining wings 18 of the molded seal 11' is formed. The sealing lip 17 engages like that figure 3 illustrated, in the annular recess 16 of the end leg portion 8 of the connecting leg 5, wherein the sealing lip 17 on the base 16 of the annular recess 16 is in contact.

Claims (10)

  1. Angled electrical plug-in connector (1) for attachment to an assembly housing, comprising an angled plug housing (2) and a flange base (3), wherein the plug housing (2) has a connection limb (4) for an electrical plug-in connector and also a connecting limb (5) for the flange base (3), and the flange base (3) has a fastening flange (6) for the assembly housing and also a receiving sleeve (7) for the connecting limb (5), and the connecting limb (5) which passes through at least the receiving sleeve (7), by way of a free end-side limb portion (8), projects beyond the fastening flange (6) and is fixed to the flange base (3) rotatably in the circumferential direction, and wherein at least one annular seal (10) is arranged between the receiving sleeve (7) and the connecting limb (5) and also an annular sealing element (11) is attached at the end side to the fastening flange (6) on a contact side (12) associated with the assembly housing, characterized in that the annular sealing element (11) is designed as a moulded seal (11') with an axial pressing portion (13) and a radial pressing portion (14), wherein the axial pressing portion (13) creates a sealing effect between the fastening flange (6) and the assembly housing and the radial pressing portion (14) creates a sealing effect between the fastening flange (6) and the end-side limb portion (8) of the connecting limb (5).
  2. Angled electrical plug-in connector according to Claim 1, characterized in that the axial pressing portion (13) is designed to be higher than the radial pressing portion (14) in the axial direction.
  3. Angled electrical plug-in connector according to Claim 1 or 2, characterized in that the radial pressing portion (14) is of lamellar design and has an encircling sealing lip (17) extending radially inwardly away from the axial pressing portion (13).
  4. Angled electrical plug-in connector according to one of the preceding claims, characterized in that the axial pressing portion (13) has at least two radially outwardly protruding retaining wings (18).
  5. Angled electrical plug-in connector according to one of the preceding claims, characterized in that the fastening flange (6) has, on the contact side (12), an encircling annular groove (15) for receiving the moulded seal (11').
  6. Angled electrical plug-in connector according to Claim 5, characterized in that the annular groove (15) has lateral projections (19) for receiving a retaining wing (18) of the moulded seal (11').
  7. Angled electrical plug-in connector according to either of the preceding Claims 5 and 6, characterized in that the axial pressing portion (13) of the moulded seal (11') projects beyond the annular groove (15) in the axial direction and the radial pressing portion (14) of the moulded seal (11') projects beyond the annular groove (15) in the radial direction.
  8. Angled electrical plug-in connector according to one of the preceding claims, characterized in that the end-side limb portion (8) of the connecting limb (5) has an encircling annular recess (16).
  9. Angled electrical plug-in connector according to Claim 8, characterized in that at least a sealing lip (17) of the radial pressing portion (14) of the moulded seal (11') engages into the annular recess (16) of the connecting limb (5).
  10. Angled electrical plug-in connector according to Claim 9, characterized in that the sealing lip (17) is in contact with a base (20) of the annular recess (16).
EP19722782.0A 2018-05-16 2019-04-29 Angled electrical connector Active EP3794685B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20185320A BE1026281B1 (en) 2018-05-16 2018-05-16 Electrical angle connector
PCT/DE2019/100384 WO2019219118A1 (en) 2018-05-16 2019-04-29 Angled electrical connector

Publications (2)

Publication Number Publication Date
EP3794685A1 EP3794685A1 (en) 2021-03-24
EP3794685B1 true EP3794685B1 (en) 2022-11-02

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EP19722782.0A Active EP3794685B1 (en) 2018-05-16 2019-04-29 Angled electrical connector

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EP (1) EP3794685B1 (en)
JP (1) JP7086226B2 (en)
KR (1) KR102563580B1 (en)
CN (1) CN112020800B (en)
BE (1) BE1026281B1 (en)
ES (1) ES2936248T3 (en)
PL (1) PL3794685T3 (en)
WO (1) WO2019219118A1 (en)

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EP3993178B1 (en) * 2020-10-27 2024-01-24 TE Connectivity Industrial GmbH Electrical plug with friction brake device, as well as arrangement and method
EP3993175A1 (en) * 2020-10-28 2022-05-04 TE Connectivity Services GmbH Sealed connector housing for an angled electrical connector

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DE10326526B4 (en) * 2002-06-22 2006-06-22 Spinner Gmbh Coaxial connector
DE202005000229U1 (en) * 2005-01-09 2005-03-31 Intercontec Pfeiffer Gmbh Angle-shaped connector for attachment to equipment housing , has locking devices and complementary locking devices coaxial to axis of housing section and base, and held in place by spring load
JP4559369B2 (en) * 2006-02-03 2010-10-06 矢崎総業株式会社 Packing mounting structure
JP5016103B2 (en) * 2007-04-23 2012-09-05 エフシーアイ Sealable squib connector system
CN101976784B (en) * 2010-11-25 2012-11-21 浙江富豪特电器工具有限公司 Waterproof socket
JP5285685B2 (en) * 2010-12-20 2013-09-11 株式会社七星科学研究所 Packing and electrical connector
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CN203445306U (en) * 2013-07-22 2014-02-19 深圳市大富科技股份有限公司 Connector and sealing device
ES2731752T3 (en) * 2013-08-05 2019-11-18 Phoenix Contact Connector Tech Gmbh Screwed housing wall for an electrical plug-in connector
DE202015102170U1 (en) * 2015-04-30 2015-05-13 Intercontec Pfeiffer Industrie-Steckverbindungen Gmbh Electric angle plug with support ring and locking ring of an abutment for a spring element
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Also Published As

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BE1026281A1 (en) 2019-12-10
CN112020800A (en) 2020-12-01
WO2019219118A1 (en) 2019-11-21
JP7086226B2 (en) 2022-06-17
EP3794685A1 (en) 2021-03-24
JP2021523540A (en) 2021-09-02
PL3794685T3 (en) 2023-02-20
ES2936248T3 (en) 2023-03-15
KR102563580B1 (en) 2023-08-03
CN112020800B (en) 2022-10-25
KR20210008425A (en) 2021-01-21
BE1026281B1 (en) 2019-12-17

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