EP2782194B1 - Charging connector with reinforcing element - Google Patents

Charging connector with reinforcing element Download PDF

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Publication number
EP2782194B1
EP2782194B1 EP14158778.2A EP14158778A EP2782194B1 EP 2782194 B1 EP2782194 B1 EP 2782194B1 EP 14158778 A EP14158778 A EP 14158778A EP 2782194 B1 EP2782194 B1 EP 2782194B1
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EP
European Patent Office
Prior art keywords
recess
charging connector
socket
charging plug
reinforcing element
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.)
Active
Application number
EP14158778.2A
Other languages
German (de)
French (fr)
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EP2782194A1 (en
Inventor
Thomas Führer
Mario BRÜNGER
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
Original Assignee
Phoenix Contact GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP2782194A1 publication Critical patent/EP2782194A1/en
Application granted granted Critical
Publication of EP2782194B1 publication Critical patent/EP2782194B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H01R13/6395—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap for wall or panel outlets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to a charging connector, in particular for electric vehicles, having an insertion region for insertion into a corresponding socket, the insertion region having a recess on the outside, and the charging connector in the socket by inserting a formed on the socket locking element in the recess against withdrawal locked is.
  • Such charging plugs are used, for example, in vehicle technology to connect vehicles with electric drives with an electrical energy source.
  • a charging plug is for example a connector according to IEC 62169-2.
  • the charging plug can be locked by means of an electromechanical device with a locking element in a corresponding socket in the inserted state.
  • the device is usually located on a housing of the socket, and includes a locking element, such as a bolt, and a drive, which leads the bolt perpendicular to the insertion direction into the socket in a recess of the charging plug.
  • the recess is designed in an insertion region of the charging plug, which is received in the connected state in the socket.
  • the charging plug In the case of the charging plug according to IEC 62169-2, there is a normatively defined on the top of the charging plug Contour in the form of a rectangular recess into which the bolt is radially inserted.
  • the recess is formed in the lead-in area and has a dimension of about 6 x 4 mm at a depth of less than 3 mm.
  • the insertion region usually forms an insulating body of the charging plug, and is therefore made of plastic due to the desired insulating properties in the prior art.
  • Such a charging plug is in the Figures 1 and 2 shown.
  • the charging plug 1 comprises an insertion region 2 for insertion into a corresponding bush, wherein the insertion region 2 has a recess 3 on the outside.
  • the charging plug 1 can be locked in the socket by inserting a locking element formed on the socket into the recess 3 against being pulled out.
  • the charging plug 1 is inserted in the direction of arrow 4, which represents the insertion direction in the socket.
  • Such a configuration of a charging socket for an electrically powered motor vehicle known.
  • the electrical contacts of the Charging socket are protected in one or more recess (s).
  • corresponding pin or rod-shaped contacts of a charging plug can be pushed in for the purpose of contacting.
  • Around the one or more recesses there is an adjacent, in particular revolving housing. Between the recess (s) and the adjacent housing so remains a gap-shaped, in particular the recess (s) encircling space into which a corresponding housing of a charging plug can be pushed.
  • An actuator with a latch is mounted externally on the adjacent housing. The latch may be moved through the actuator into the adjacent housing through a corresponding opening for the purpose of locking a charging plug.
  • the connector comprises a plug and a socket in which a recess is formed as a through hole in a spring tab which is part of an outer wall.
  • a corresponding plug has on its outer wall on a projection, so that the spring tab snaps on insertion of the plug into the socket on the projection and the plug is locked in the socket.
  • the spring tab has a reinforcement plate on its radially inner side.
  • the invention is therefore an object of the invention to provide a charging plug of the type mentioned above, which allows stable locking in the socket, provides reliable insulation of the charging plug and ensures safe handling.
  • a charging connector in particular for electric vehicles, is provided with an insertion region for insertion into a corresponding socket, the insertion region having a recess on the outside, and the charging connector in the socket can be locked against insertion by inserting a locking element formed on the socket into the recess is, wherein the insertion region is designed with a reinforcing element which reinforces the recess at its plug-in direction of the bushing facing side, and the reinforcing member has an insertion region, which is arranged on a plug-in direction of the bushing facing side of the recess.
  • the insertion region is reinforced with a reinforcing element in such a way that mechanical damage to the charging connector is prevented, even with high tensile forces.
  • the reinforcing element is made of a harder material than the material of the insertion region. Due to the high strength of the material occurring locally by the locking element in the region of the recess occurring loads can be intercepted. The forces are introduced harmless in the insertion of the connector via the reinforcing element.
  • the recess can be made in different ways, for example as a blind hole or groove.
  • the insertion region is made of an insulating material,
  • the insertion region forms a reinforcement of the recess on its front inner surface facing in the insertion direction of the bush, so that forces can be reliably absorbed and distributed by the locking element.
  • the reinforcing element is designed as a sheet metal element, and the insertion region is formed by bending over part of the sheet metal element.
  • the charging plug is designed such that the reinforcing element is exchangeably fixed thereto. Thus, if damaged by the replacement of only the reinforcing member, the charging plug can be further used.
  • the reinforcing element is designed as a metal element.
  • the reinforcing element may e.g. be designed as a sheet metal part of suitable material thickness or as a metal casting.
  • the local arrangement in the region of the recess ensures good insulation properties of the charging plug.
  • a suitable metal has a higher strength than the insertion area.
  • the reinforcing element is designed as a punching element.
  • the reinforcing element can be made low.
  • the punching element is stamped from sheet metal.
  • the reinforcing element has a substantially planar Flat region, which is arranged on the outside on the insertion region.
  • the insertion region is preferably designed with a depression for receiving the flat region.
  • the charging plug is designed such that the reinforcing element has a flat transition with the insertion region.
  • the flat area has a material thickness of not more than 3 mm. This material thickness allows the reinforcing element to be designed with a high degree of stability in order to absorb occurring forces and to introduce them into the insertion region.
  • the insertion region on the outside a plurality of recesses, and the reinforcing element is designed to reinforce the recesses on their side facing in the insertion direction of the socket side.
  • reinforcement of a plurality of recesses is effected in common, and the attachment of the reinforcing member can be easily and effectively achieved.
  • the reinforcing element is designed such that it has connecting webs between the recesses. The webs cause forces introduced into the reinforcing element to be distributed over an enlarged area of the lead-in area.
  • the recess is made in the reinforcing element.
  • the entire recess is formed in the reinforcing member so that the reinforcing member can receive and distribute forces in any direction.
  • the reinforcing element is designed with at least one lateral retaining lug which extends in the direction transverse to the insertion direction.
  • the retaining lug securely holds the reinforcing element in the insertion area, and forces introduced into the reinforcing element can be distributed over an enlarged area of the insertion area.
  • the dimensioning of the retaining lug is such that it has an extension in a direction transverse to the insertion direction.
  • the retaining lug extends on the surface of the insertion area.
  • the retaining lug may extend in a radial direction in the insertion region.
  • two retaining lugs are formed in pairs on side edges of the reinforcing element.
  • the reinforcing element is arranged in a region of the insertion region, which has a maximum distance from electrical contacts.
  • the maximum distance can be determined in different ways known per se, wherein preferably an average value is formed for all contacts.
  • the reinforcing element corresponding to the one contact has a maximum distance. Maximizing the distance ensures the greatest possible safety of the charging plug.
  • the charging plug has a plurality of electrical contacts for the transmission of different currents and / or voltages, and the reinforcing element is arranged in a region of the lead-in area, which is a maximum distance from the electrical contacts for transmitting the largest voltages and / or currents having.
  • the maximum distance can be determined in different ways known per se, wherein preferably an average value is formed for all contacts.
  • the reinforcing element corresponding to the one contact has a maximum distance. Maximizing the distance ensures the greatest possible safety of the charging plug.
  • the insulating property of the lead-in area can be maintained despite the substitution of an insulating material, for example a plastic, by an electrical conductor.
  • the Figures 3 and 4 show a charging plug 10 according to the invention according to a first embodiment for connection to a corresponding socket 11, the in Fig. 3 is shown.
  • the charging plug 10 is a charging plug for electric vehicles according to the standard IEC 62169-2.
  • the charging connector 10 comprises an insertion region 12 for insertion into the bushing 11.
  • the insertion region 12 is made of an insulating material, which in this exemplary embodiment is an insulating plastic.
  • a reinforcing element 13 is attached to the insertion area 12.
  • the reinforcing element 13 is designed as a metal casting with a higher strength than the plastic of the insertion region 12 and interchangeably attached to the insertion region 12.
  • the reinforcing element 13 has a flat flat region 15, which is arranged on the outside of the insertion region 12.
  • the insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12.
  • the flat region 15 has a material thickness of less than 3 mm.
  • the reinforcing element 13 is embodied on its flat region 15 with four retaining lugs 17, which are arranged in pairs on side edges of the flat region 15.
  • the retaining lugs 17 extend in the direction transverse to a plug-in direction 19 of the charging plug 10 into the socket 11 on the surface of the insertion region 12.
  • the charging plug 10 is, as in Fig. 3 is shown in the socket 11 by inserting a formed on the sleeve 11 locking element 20 in the recess 14 against withdrawal locked.
  • the charging plug 10 has a plurality of electrical contacts 21 for transmitting different currents.
  • the contacts 21 are designed for the transmission of alternating currents.
  • the reinforcing element 13 is disposed in a region of the insertion region 12, the electric Contacts 21 has a maximum distance. In particular, the distance is at a maximum to the electrical contacts 21 for transmitting the largest currents of the charging plug 10.
  • the charging plug 10 of the first embodiment a further known in the art lateral recess 3. Accordingly, the charging plug 10 in the socket 11 by inserting a further formed on the socket 11 locking element 20 in the lateral recess 3 additionally against withdrawal can be locked.
  • a further reinforcing element 13 is formed on the insertion region 12, in which a recess 14 is formed as described above.
  • FIGS. 5 and 6 relate to a charging plug 10 according to a second embodiment.
  • the charging plug 10 of the second embodiment is largely identical to that of the first embodiment, for which reason the differences are discussed below.
  • the charging plug 10 of the second embodiment also includes an insertion region 12 for insertion into the bush 11.
  • a recess 14 is formed as a blind hole.
  • a reinforcing element 13 is attached to the insertion region 12 in the region of the recess 14, which is produced as a punching element from a metal sheet with a material thickness of less than 3 mm. Accordingly, the entire reinforcing element 13 is designed as a flat flat area 15.
  • the reinforcing element 13 is arranged on the outside of the insertion region 12.
  • a passage opening 22 is formed, which corresponds to the recess 14 and reinforces the recess 14 at its side facing in the insertion direction 19 of the bushing 11 side.
  • the insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12.
  • the recess 16 is arranged around the recess 14.
  • the metal of the reinforcing member 13 has higher strength than the material of the insertion portion 12.
  • the reinforcing element 13 is designed with four retaining lugs 17, which are arranged in pairs on its side edges and extend in the direction transverse to the insertion direction 19 on the surface of the insertion region 12.
  • charging plug 10 of the second embodiment is the same as that of the first embodiment.
  • FIGS. 7 and 8th relate to a charging plug 10 according to a third embodiment.
  • the charging plug 10 of the third embodiment is largely identical to that of the second embodiment, for which reason, in particular, the differences between the charging plug 10 of the second and third embodiments will be discussed below.
  • the charging plug 10 of the third embodiment is designed as a combo plug that supports DC and AC charge. Accordingly, the Plug as described above contacts 21 for the AC charge and additional contacts 23 for the DC charge on.
  • the charging plug 10 of the third embodiment also includes an insertion portion 12 for insertion into the socket 11.
  • a plurality of recesses 14 are formed, which are formed as through holes through the insertion portion 12.
  • a reinforcing element 13 is attached to the insertion region 12, which is produced as a punching element from a metal sheet with a material thickness of less than 3 mm. Accordingly, the entire reinforcing element 13 is designed as a flat flat area 15.
  • the reinforcing member 13 has a bulge in accordance with a curvature of the insertion portion 12 on which it is disposed on the outside.
  • a plurality of through holes 22 are formed, which correspond to the recesses 14 and reinforce the recesses 14 on their side facing in the insertion direction 19 of the bushing 11 side.
  • the reinforcing element 13 is designed in one piece, wherein the regions of the through openings 22 are connected by webs 24.
  • the insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12.
  • the recess 16 extends around the recesses 14 and between the recesses 14, so that the webs 24 are receivable therein, as in Fig. 7 is shown.
  • the metal of the reinforcing member 13 has higher strength than the material of the insertion portion 12.

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Description

Die vorliegende Erfindung betrifft einen Ladestecker, insbesondere für Elektrofahrzeuge, mit einem Einführbereich zum Einführen in eine korrespondierende Buchse, wobei der Einführbereich außenseitig eine Aussparung aufweist, und der Ladestecker in der Buchse durch das Einführen eines an der Buchse ausgebildeten Verriegelungselements in die Aussparung gegen Herausziehen verriegelbar ist.The present invention relates to a charging connector, in particular for electric vehicles, having an insertion region for insertion into a corresponding socket, the insertion region having a recess on the outside, and the charging connector in the socket by inserting a formed on the socket locking element in the recess against withdrawal locked is.

Derartige Ladestecker werden beispielsweise in der Fahrzeugtechnik verwendet, um Fahrzeuge mit elektrischen Antrieben mit einer elektrischen Energiequelle zu verbinden. Ein solcher Ladestecker ist beispielsweise ein Steckverbinder nach IEC 62169-2. Der Ladestecker kann mittels einer elektromechanischen Vorrichtung mit einem Verriegelungselement in einer korrespondierenden Buchse im gesteckten Zustand verriegelt werden. Die Vorrichtung befindet sich in der Regel an einem Gehäuse der Buchse, und umfasst ein Verriegelungselement, beispielsweise einen Bolzen, und einen Antrieb, der den Bolzen senkrecht zur Einsteckrichtung in die Buchse in eine Aussparung des Ladesteckers führt. Die Aussparung ist in einem Einführbereich des Ladesteckers ausgeführt, der im verbundenen Zustand in der Buchse aufgenommen ist.Such charging plugs are used, for example, in vehicle technology to connect vehicles with electric drives with an electrical energy source. Such a charging plug is for example a connector according to IEC 62169-2. The charging plug can be locked by means of an electromechanical device with a locking element in a corresponding socket in the inserted state. The device is usually located on a housing of the socket, and includes a locking element, such as a bolt, and a drive, which leads the bolt perpendicular to the insertion direction into the socket in a recess of the charging plug. The recess is designed in an insertion region of the charging plug, which is received in the connected state in the socket.

Hierdurch wird ein Formschluss des Ladesteckers in der Buchse in axialer Richtung, d.h. in Einsteckrichtung, erzeugt, wodurch ein unbeabsichtigtes oder auch ein nicht autorisiertes Trennen der elektrischen Verbindung zwischen dem Ladestecker und der Buchse verhindert wird.This results in a positive connection of the charging plug in the socket in the axial direction, i. in the insertion, generated, whereby accidental or unauthorized disconnection of the electrical connection between the charging plug and the socket is prevented.

Im Fall des Ladesteckers gemäß IEC 62169-2 befindet sich auf der Oberseite des Ladesteckers eine normativ definierte Kontur in Form einer rechteckigen Aussparung, in welche der Bolzen radial einführbar ist. Die Aussparung ist in dem Einführbereich ausgebildet, und weist eine Dimension von ca. 6 x 4 mm bei einer Tiefe von weniger als 3 mm auf. Der Einführbereich bildet üblicherweise einen Isolierkörper des Ladesteckers, und ist daher aufgrund der gewünschten isolierenden Eigenschaften im Stand der Technik aus Kunststoff gefertigt.In the case of the charging plug according to IEC 62169-2, there is a normatively defined on the top of the charging plug Contour in the form of a rectangular recess into which the bolt is radially inserted. The recess is formed in the lead-in area and has a dimension of about 6 x 4 mm at a depth of less than 3 mm. The insertion region usually forms an insulating body of the charging plug, and is therefore made of plastic due to the desired insulating properties in the prior art.

Ein solcher Ladestecker ist in den Figuren 1 und 2 gezeigt. Der Ladestecker 1 umfasst einen Einführbereich 2 zum Einführen in eine korrespondierende Buchse, wobei der Einführbereich 2 außenseitig eine Aussparung 3 aufweist. Der Ladestecker 1 ist in der Buchse durch das Einführen eines an der Buchse ausgebildeten Verriegelungselements in die Aussparung 3 gegen Herausziehen verriegelbar. Der Ladestecker 1 wird in Richtung des Pfeils 4, der die Einsteckrichtung darstellt, in die Buchse eingeführt.Such a charging plug is in the Figures 1 and 2 shown. The charging plug 1 comprises an insertion region 2 for insertion into a corresponding bush, wherein the insertion region 2 has a recess 3 on the outside. The charging plug 1 can be locked in the socket by inserting a locking element formed on the socket into the recess 3 against being pulled out. The charging plug 1 is inserted in the direction of arrow 4, which represents the insertion direction in the socket.

Wird im verriegelten Zustand versucht, den Ladestecker aus der Buchse zu ziehen, so treten zwischen der Aussparung und dem Verriegelungselement erhebliche mechanische Belastungen im Sinne von Flächenpressungen, Biege- und Scherspannungen auf, die in Fig. 2 durch die Kraft F dargestellt sind. Dies führt zu einer Belastung des Ladesteckers im Einführbereich, insbesondere an einer in Einsteckrichtung der Buchse zugewandten Frontinnenfläche der Aussparung. Dabei kann die zulässige Spannung am Einführbereich überschritten werden, was zu einer unzulässigen Verformung oder schlimmstenfalls sogar zum Bruch des Bauteiles führt.If an attempt is made in the locked state to pull the charging plug out of the socket, significant mechanical loads in the sense of surface pressure, bending and shear stresses occur between the recess and the locking element Fig. 2 represented by the force F. This leads to a load on the charging plug in the insertion region, in particular on a facing in the insertion direction of the socket front inner surface of the recess. In this case, the allowable stress at the insertion can be exceeded, resulting in an impermissible deformation or at worst even to breakage of the component.

Aus der DE 10 2010 003 523 A1 eine derartige Ausgestaltung einer Ladebuchse für ein elektrisch angetriebenes Kraftfahrzeug bekannt. Die elektrischen Kontakte der Ladebuchse befinden sich geschützt in einer oder mehreren Ausnehmung(en). In diese Ausnehmung(en) können korrespondierende stift- oder stabförmige Kontakte eines Ladesteckers zwecks Kontaktierung hineingeschoben werden. Um die eine oder mehrere Ausnehmung(en) herum gibt es ein angrenzendes, insbesondere umlaufendes Gehäuse. Zwischen den Ausnehmung(en) und dem angrenzenden Gehäuse verbleibt so ein spaltförmiger, insbesondere die Ausnehmung(en) umlaufender Raum, in den ein damit korrespondierendes Gehäuse eines Ladesteckers hineingeschoben werden kann. Ein Stellglied mit einem Riegel ist außen auf dem angrenzenden Gehäuse angebracht. Der Riegel kann durch das Stellglied in das angrenzende Gehäuse durch eine entsprechende Öffnung hindurch zwecks Verriegelung eines Ladesteckers bewegt werden.From the DE 10 2010 003 523 A1 Such a configuration of a charging socket for an electrically powered motor vehicle known. The electrical contacts of the Charging socket are protected in one or more recess (s). In this recess (s) corresponding pin or rod-shaped contacts of a charging plug can be pushed in for the purpose of contacting. Around the one or more recesses, there is an adjacent, in particular revolving housing. Between the recess (s) and the adjacent housing so remains a gap-shaped, in particular the recess (s) encircling space into which a corresponding housing of a charging plug can be pushed. An actuator with a latch is mounted externally on the adjacent housing. The latch may be moved through the actuator into the adjacent housing through a corresponding opening for the purpose of locking a charging plug.

Weiter ist aus der EP 1 764 879 A1 eine Steckverbindung bekannt. Die Steckverbindung umfasst einen Stecker und eine Buchse, in der in einer Federlasche, die Teil einer Außenwandung ist, eine Aussparung als Durchgangsloch ausgebildet ist. Ein korrespondierender Stecker weist an seiner Außenwandung einen Vorsprung auf, so dass die Federlasche beim Einführen des Steckers in die Buchse über den Vorsprung schnappt und der Stecker in der Buchse verriegelt wird. Die Federlasche weist an Ihrer radial innenliegenden Seite ein Verstärkungsblech auf.Next is from the EP 1 764 879 A1 a connector known. The connector comprises a plug and a socket in which a recess is formed as a through hole in a spring tab which is part of an outer wall. A corresponding plug has on its outer wall on a projection, so that the spring tab snaps on insertion of the plug into the socket on the projection and the plug is locked in the socket. The spring tab has a reinforcement plate on its radially inner side.

Ferner ist aus der EP 2 352 208 A1 ein Ladestecker gemäß dem Oberbegriff des Anspruchs 1 bekannt.Furthermore, from the EP 2 352 208 A1 a charging plug according to the preamble of claim 1 known.

Ausgehend von dem oben genannten Stand der Technik liegt der Erfindung somit die Aufgabe zugrunde, einen Ladestecker der oben genannten Art anzugeben, der eine stabile Verriegelung in der Buchse ermöglicht, eine zuverlässige Isolierung des Ladesteckers bietet und eine sichere Handhabung gewährleistet.Based on the above-mentioned prior art, the invention is therefore an object of the invention to provide a charging plug of the type mentioned above, which allows stable locking in the socket, provides reliable insulation of the charging plug and ensures safe handling.

Die Lösung der Aufgabe erfolgt erfindungsgemäß durch die Merkmale des unabhängigen Anspruchs. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.The object is achieved according to the invention by the features of the independent claim. Advantageous embodiments of the invention are specified in the subclaims.

Erfindungsgemäß ist somit ein Ladestecker, insbesondere für Elektrofahrzeuge, mit einem Einführbereich zum Einführen in eine korrespondierende Buchse vorgesehen, wobei der Einführbereich außenseitig eine Aussparung aufweist, und der Ladestecker in der Buchse durch das Einführen eines an der Buchse ausgebildeten Verriegelungselements in die Aussparung gegen Herausziehen verriegelbar ist, wobei der Einführbereich mit einem Verstärkungselement ausgeführt ist, das die Aussparung an ihrer in Einsteckrichtung der Buchse zugewandten Seite verstärkt, und das Verstärkungselement einen Einsetzbereich aufweist, der an einer in Einsteckrichtung der Buchse zugewandten Seite der Aussparung angeordnet ist.According to the invention, a charging connector, in particular for electric vehicles, is provided with an insertion region for insertion into a corresponding socket, the insertion region having a recess on the outside, and the charging connector in the socket can be locked against insertion by inserting a locking element formed on the socket into the recess is, wherein the insertion region is designed with a reinforcing element which reinforces the recess at its plug-in direction of the bushing facing side, and the reinforcing member has an insertion region, which is arranged on a plug-in direction of the bushing facing side of the recess.

Grundidee der vorliegenden Erfindung ist es also, dass der Einführbereich derart mit einem Verstärkungselement verstärkt wird, dass eine mechanische Beschädigung des Ladesteckers auch bei großen Zugkräften verhindert wird. Entsprechend ist das Verstärkungselement aus einem härteren Material als das Material der Einführbereichs ausgeführt. Aufgrund der hohen Festigkeit des Werkstoffes können lokal durch das Verriegelungselement im Bereich der Aussparung auftretende Belastungen abgefangen werden. Die Kräfte werden über das Verstärkungselement unschädlich in den Einführbereich des Steckverbinders eingeleitet.The basic idea of the present invention is therefore that the insertion region is reinforced with a reinforcing element in such a way that mechanical damage to the charging connector is prevented, even with high tensile forces. Accordingly, the reinforcing element is made of a harder material than the material of the insertion region. Due to the high strength of the material occurring locally by the locking element in the region of the recess occurring loads can be intercepted. The forces are introduced harmless in the insertion of the connector via the reinforcing element.

Die Aussparung kann auf unterschiedliche Weise, beispielsweise als Sackloch oder Nut, ausgeführt sein. Vorzugsweise ist der Einführbereich aus einem Isolierstoff, beispielsweise einem isolierenden Kunststoff ausgeführt, so dass der Ladestecker insgesamt gute Isolationseigenschaften aufweist.The recess can be made in different ways, for example as a blind hole or groove. Preferably, the insertion region is made of an insulating material, For example, an insulating plastic designed so that the charging plug has good overall insulation properties.

Erfindungsgemäß bildet der Einsetzbereich eine Verstärkung der Aussparung an ihrer in Einsteckrichtung der Buchse zugewandten Frontinnenfläche, so dass Kräfte von dem Verriegelungselement zuverlässig aufgenommen und verteilt werden können. Vorzugsweise ist das Verstärkungselement als Blechelement ausgeführt, und der Einsetzbereich ist durch das Umbiegen eines Teils des Blechelements gebildet. Vorzugsweise ist der Ladestecker derart ausgeführt, dass das Verstärkungselement austauschbar daran befestigt ist. Somit kann bei einer Beschädigung durch den Austausch lediglich des Verstärkungselements der Ladestecker weiter verwendet werden.According to the invention, the insertion region forms a reinforcement of the recess on its front inner surface facing in the insertion direction of the bush, so that forces can be reliably absorbed and distributed by the locking element. Preferably, the reinforcing element is designed as a sheet metal element, and the insertion region is formed by bending over part of the sheet metal element. Preferably, the charging plug is designed such that the reinforcing element is exchangeably fixed thereto. Thus, if damaged by the replacement of only the reinforcing member, the charging plug can be further used.

In vorteilhafter Ausgestaltung der Erfindung ist das Verstärkungselement als Metallelement ausgeführt. Das Verstärkungselement kann z.B. als ein Blechteil geeigneter Materialstärke oder als Metallgussteil ausgeführt sein. Durch die lokale Anordnung im Bereich der Aussparung werden gute Isolationseigenschaften des Ladesteckers gewährleistet. Ein geeignetes Metall hat eine höhere Festigkeit als der Einführbereich.In an advantageous embodiment of the invention, the reinforcing element is designed as a metal element. The reinforcing element may e.g. be designed as a sheet metal part of suitable material thickness or as a metal casting. The local arrangement in the region of the recess ensures good insulation properties of the charging plug. A suitable metal has a higher strength than the insertion area.

In vorteilhafter Ausgestaltung der Erfindung ist das Verstärkungselement als Stanzelement ausgeführt. Damit kann das Verstärkungselement günstig hergestellt werden. Vorzugsweise ist das Stanzelement aus Metallblech gestanzt. In vorteilhafter Ausgestaltung der Erfindung weist das Verstärkungselement einen im Wesentlichen ebenen Flachbereich auf, der außenseitig an dem Einführbereich angeordnet ist. Vorzugsweise ist der Einführbereich mit einer Vertiefung zur Aufnahme des Flachbereichs ausgeführt. Weiter bevorzugt ist der Ladestecker derart ausgeführt, dass das Verstärkungselement mit dem Einführbereich einen ebenen Übergang aufweist.In an advantageous embodiment of the invention, the reinforcing element is designed as a punching element. Thus, the reinforcing element can be made low. Preferably, the punching element is stamped from sheet metal. In an advantageous embodiment of the invention, the reinforcing element has a substantially planar Flat region, which is arranged on the outside on the insertion region. The insertion region is preferably designed with a depression for receiving the flat region. More preferably, the charging plug is designed such that the reinforcing element has a flat transition with the insertion region.

In vorteilhafter Ausgestaltung der Erfindung weist der Flachbereich eine Materialdicke von nicht mehr als 3 mm auf. Diese Materialdicke ermöglicht die Ausführung des Verstärkungselements mit einer hohen Stabilität, um auftretende Kräfte aufzunehmen und in den Einführbereich einzuleiten.In an advantageous embodiment of the invention, the flat area has a material thickness of not more than 3 mm. This material thickness allows the reinforcing element to be designed with a high degree of stability in order to absorb occurring forces and to introduce them into the insertion region.

In vorteilhafter Ausgestaltung der Erfindung weist der Einführbereich außenseitig eine Mehrzahl Aussparungen auf, und das Verstärkungselement ist ausgeführt, die Aussparungen an ihrer in Einsteckrichtung der Buchse zugewandten Seite zu verstärken. Somit wird mit einem einzelnen Verstärkungselement eine Verstärkung von mehreren Aussparungen gemeinsam bewirkt, wobei die Anbringung des Verstärkungselements einfach und effektiv erreicht werden kann. Vorzugsweise ist das Verstärkungselement derart ausgeführt, dass es zwischen den Aussparungen Verbindungsstege aufweist. Die Stege bewirken, dass in das Verstärkungselement eingeleitete Kräfte auf einen vergrößerten Bereich des Einführbereichs verteilt werden.In an advantageous embodiment of the invention, the insertion region on the outside a plurality of recesses, and the reinforcing element is designed to reinforce the recesses on their side facing in the insertion direction of the socket side. Thus, with a single reinforcing member, reinforcement of a plurality of recesses is effected in common, and the attachment of the reinforcing member can be easily and effectively achieved. Preferably, the reinforcing element is designed such that it has connecting webs between the recesses. The webs cause forces introduced into the reinforcing element to be distributed over an enlarged area of the lead-in area.

In vorteilhafter Ausgestaltung der Erfindung ist die Aussparung in dem Verstärkungselement ausgeführt. Somit ist die gesamte Aussparung in dem Verstärkungselement ausgebildet, so dass das Verstärkungselement Kräfte in jeder Richtung aufnehmen und verteilen kann.In an advantageous embodiment of the invention, the recess is made in the reinforcing element. Thus, the entire recess is formed in the reinforcing member so that the reinforcing member can receive and distribute forces in any direction.

In vorteilhafter Ausgestaltung der Erfindung ist das Verstärkungselement mit wenigstens einer seitlichen Haltenase ausgeführt, die sich in Richtung quer zu der Einsteckrichtung erstreckt. Durch die Haltenase wird das Verstärkungselement sicher in dem Einführbereich gehalten, und in das Verstärkungselement eingeleitete Kräfte können auf einen vergrößerten Bereich des Einführbereichs verteilt werden. Die Dimensionierung der Haltenase ist derart, dass sie eine Ausdehnung in einer Richtung quer zur Einsteckrichtung aufweist. Vorzugsweise erstreckt sich die Haltenase an der Oberfläche des Einführbereichs. Alternativ oder zusätzlich kann sich die Haltenase in einer radialen Richtung in den Einführbereich erstrecken. Besonders bevorzugt sind zwei Haltenasen paarweise an Seitenkanten des Verstärkungselements ausgebildet.In an advantageous embodiment of the invention, the reinforcing element is designed with at least one lateral retaining lug which extends in the direction transverse to the insertion direction. The retaining lug securely holds the reinforcing element in the insertion area, and forces introduced into the reinforcing element can be distributed over an enlarged area of the insertion area. The dimensioning of the retaining lug is such that it has an extension in a direction transverse to the insertion direction. Preferably, the retaining lug extends on the surface of the insertion area. Alternatively or additionally, the retaining lug may extend in a radial direction in the insertion region. Particularly preferably, two retaining lugs are formed in pairs on side edges of the reinforcing element.

In vorteilhafter Ausgestaltung der Erfindung ist das Verstärkungselement in einem Bereich des Einführbereichs angeordnet, der von elektrischen Kontakten einen maximalen Abstand aufweist. Der maximale Abstand kann auf unterschiedliche, an sich bekannte Weise bestimmt werden, wobei vorzugsweise ein Mittelwert für alle Kontakte gebildet wird. Bei einer Ausgestaltung des Ladesteckers mit nur einem Kontakt weist das Verstärkungselement entsprechend von dem einen Kontakt einen maximalen Abstand auf. Durch die Maximierung des Abstands wird eine größtmögliche Sicherheit des Ladesteckers gewährleistet.In an advantageous embodiment of the invention, the reinforcing element is arranged in a region of the insertion region, which has a maximum distance from electrical contacts. The maximum distance can be determined in different ways known per se, wherein preferably an average value is formed for all contacts. In one embodiment of the charging plug with only one contact, the reinforcing element corresponding to the one contact has a maximum distance. Maximizing the distance ensures the greatest possible safety of the charging plug.

In vorteilhafter Ausgestaltung der Erfindung weist der Ladestecker eine Mehrzahl elektrische Kontakte zur Übertragung unterschiedlicher Ströme und/oder Spannungen auf, und das Verstärkungselement ist in einem Bereich des Einführbereichs angeordnet, der von den elektrischen Kontakten zur Übertragung der größten Spannungen und/oder Ströme einen maximalen Abstand aufweist. Der maximale Abstand kann auf unterschiedliche, an sich bekannte Weise bestimmt werden, wobei vorzugsweise ein Mittelwert für alle Kontakte gebildet wird. Bei einer Ausgestaltung des Ladesteckers mit nur einem Kontakt weist das Verstärkungselement entsprechend von dem einen Kontakt einen maximalen Abstand auf. Durch die Maximierung des Abstands wird eine größtmögliche Sicherheit des Ladesteckers gewährleistet.In an advantageous embodiment of the invention, the charging plug has a plurality of electrical contacts for the transmission of different currents and / or voltages, and the reinforcing element is arranged in a region of the lead-in area, which is a maximum distance from the electrical contacts for transmitting the largest voltages and / or currents having. The maximum distance can be determined in different ways known per se, wherein preferably an average value is formed for all contacts. In one embodiment of the charging plug with only one contact, the reinforcing element corresponding to the one contact has a maximum distance. Maximizing the distance ensures the greatest possible safety of the charging plug.

Somit kann bei einem elektrisch leitenden Verstärkungselement die isolierende Eigenschaft des Einführbereichs trotz der Substitution eines Isolierstoffs, beispielsweise eines Kunststoffs, durch einen elektrischen Leiter gewahrt bleiben.Thus, in the case of an electrically conductive reinforcing element, the insulating property of the lead-in area can be maintained despite the substitution of an insulating material, for example a plastic, by an electrical conductor.

Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegende Zeichnung anhand bevorzugter Ausführungsformen näher erläutert.The invention will be explained in more detail with reference to the accompanying drawings with reference to preferred embodiments.

Es zeigen

Fig. 1
eine perspektivische Ansicht eines Ladesteckers gemäß dem Stand der Technik,
Fig. 2
eine Detailansicht des Ladesteckers aus Fig. 1 im Bereich seiner Aussparung in einer Draufsicht und einer Seitenansicht,
Fig. 3
eine Seitenansicht eines Ladesteckers gemäß einer ersten Ausführungsform der Erfindung im mit einer Buchse verbundenen Zustand mit einem Ausbruch im Bereich des Verriegelungselements,
Fig. 4
eine perspektivische Explosionsansicht des Ladesteckers aus Fig. 3,
Fig. 5
eine perspektivische Explosionsansicht eines Ladesteckers gemäß einer zweiten Ausführungsform der Erfindung,
Fig. 6
eine perspektivische Ansicht des Ladesteckers aus Fig. 5 mit einer korrespondierenden Buchse,
Fig. 7
eine perspektivische Ansicht eines Ladesteckers gemäß einer dritten Ausführungsform der Erfindung, und
Fig. 8
eine perspektivische Explosionsansicht des Ladesteckers aus Fig. 7.
Show it
Fig. 1
a perspective view of a charging plug according to the prior art,
Fig. 2
a detailed view of the charging plug Fig. 1 in the region of its recess in a plan view and a side view,
Fig. 3
a side view of a charging plug according to a first embodiment of the invention in the connected to a socket state with an outbreak in the region of the locking element,
Fig. 4
an exploded perspective view of the charging plug Fig. 3 .
Fig. 5
an exploded perspective view of a charging plug according to a second embodiment of the invention,
Fig. 6
a perspective view of the charging connector Fig. 5 with a corresponding socket,
Fig. 7
a perspective view of a charging plug according to a third embodiment of the invention, and
Fig. 8
an exploded perspective view of the charging plug Fig. 7 ,

Die Figuren 3 und 4 zeigen einen erfindungsgemäßen Ladestecker 10 gemäß einer ersten Ausführungsform zur Verbindung mit einer korrespondierenden Buchse 11, die in Fig. 3 dargestellt ist. Der Ladestecker 10 ist ein Ladestecker für Elektrofahrzeuge gemäß der Norm IEC 62169-2.The Figures 3 and 4 show a charging plug 10 according to the invention according to a first embodiment for connection to a corresponding socket 11, the in Fig. 3 is shown. The charging plug 10 is a charging plug for electric vehicles according to the standard IEC 62169-2.

Der Ladestecker 10 umfasst einen Einführbereich 12 zum Einführen in die Buchse 11. Der Einführbereich 12 ist aus einem Isolierstoff ausgeführt, der in diesem Ausführungsbeispiel ein isolierender Kunststoff ist.The charging connector 10 comprises an insertion region 12 for insertion into the bushing 11. The insertion region 12 is made of an insulating material, which in this exemplary embodiment is an insulating plastic.

Außenseitig ist an dem Einführbereich 12 ein Verstärkungselement 13 angebracht. Das Verstärkungselement 13 ist als Metallgussteil mit einer höheren Festigkeit als der Kunststoff des Einführbereichs 12 ausgeführt und austauschbar an dem Einführbereich 12 befestigt.On the outside, a reinforcing element 13 is attached to the insertion area 12. The reinforcing element 13 is designed as a metal casting with a higher strength than the plastic of the insertion region 12 and interchangeably attached to the insertion region 12.

In dem Verstärkungselement 13 ist eine Aussparung 14 ausgebildet. Weiterhin weist das Verstärkungselement 13 einen ebenen Flachbereich 15 auf, der außenseitig an dem Einführbereich 12 angeordnet ist. Der Einführbereich 12 ist mit einer Vertiefung 16 zur Aufnahme des Verstärkungselements 13 ausgeführt, wobei das Verstärkungselement 13 mit dem Einführbereich 12 einen ebenen Übergang bildet. Der Flachbereich 15 weist eine Materialdicke von weniger als 3 mm auf.In the reinforcing element 13, a recess 14 is formed. Furthermore, the reinforcing element 13 has a flat flat region 15, which is arranged on the outside of the insertion region 12. The insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12. The flat region 15 has a material thickness of less than 3 mm.

Das Verstärkungselement 13 ist an seinem Flachbereich 15 mit vier Haltenasen 17 ausgeführt, die paarweise an Seitenkanten des Flachbereichs 15 angeordnet sind. Die Haltenasen 17 erstrecken sich in Richtung quer zu einer Einsteckrichtung 19 des Ladesteckers 10 in die Buchse 11 an der Oberfläche des Einführbereichs 12.The reinforcing element 13 is embodied on its flat region 15 with four retaining lugs 17, which are arranged in pairs on side edges of the flat region 15. The retaining lugs 17 extend in the direction transverse to a plug-in direction 19 of the charging plug 10 into the socket 11 on the surface of the insertion region 12.

Der Ladestecker 10 ist, wie in Fig. 3 gezeigt ist, in der Buchse 11 durch das Einführen eines an der Buchse 11 ausgebildeten Verriegelungselements 20 in die Aussparung 14 gegen Herausziehen verriegelbar.The charging plug 10 is, as in Fig. 3 is shown in the socket 11 by inserting a formed on the sleeve 11 locking element 20 in the recess 14 against withdrawal locked.

Der Ladestecker 10 weist eine Mehrzahl elektrische Kontakte 21 zur Übertragung unterschiedlicher Ströme auf. In diesem Ausführungsbeispiel sind die Kontakte 21 zur Übertragung von Wechselströmen ausgeführt. Wie in den Figuren 3 und 4 gezeigt ist das Verstärkungselement 13 in einem Bereich des Einführbereichs 12 angeordnet, der von elektrischen Kontakten 21 einen maximalen Abstand aufweist. Insbesondere ist der Abstand maximal zu den elektrischen Kontakten 21 zur Übertragung der größten Ströme des Ladesteckers 10.The charging plug 10 has a plurality of electrical contacts 21 for transmitting different currents. In this embodiment, the contacts 21 are designed for the transmission of alternating currents. As in the Figures 3 and 4 shown, the reinforcing element 13 is disposed in a region of the insertion region 12, the electric Contacts 21 has a maximum distance. In particular, the distance is at a maximum to the electrical contacts 21 for transmitting the largest currents of the charging plug 10.

Wie in Fig. 4 erkennbar ist, weist der Ladestecker 10 der ersten Ausführungsform eine weitere im Stand der Technik bekannte seitliche Aussparung 3 auf. Entsprechend ist der Ladestecker 10 in der Buchse 11 durch das Einführen eines weiteren an der Buchse 11 ausgebildeten Verriegelungselements 20 in die seitliche Aussparung 3 zusätzlich gegen Herausziehen verriegelbar.As in Fig. 4 can be seen, the charging plug 10 of the first embodiment, a further known in the art lateral recess 3. Accordingly, the charging plug 10 in the socket 11 by inserting a further formed on the socket 11 locking element 20 in the lateral recess 3 additionally against withdrawal can be locked.

In einer alternativen Ausführungsform ist ein weiteres Verstärkungselement 13 an dem Einführbereich 12 ausgebildet, in dem eine Aussparung 14 wie zuvor beschrieben ausgebildet ist.In an alternative embodiment, a further reinforcing element 13 is formed on the insertion region 12, in which a recess 14 is formed as described above.

Figuren 5 und 6 betreffen einen Ladestecker 10 gemäß einer zweiten Ausführungsform. Der Ladestecker 10 der zweiten Ausführungsform ist weitgehend identisch zu dem der ersten Ausführungsform, weshalb im Weiteren auf die Unterschiede eingegangen wird. Figures 5 and 6 relate to a charging plug 10 according to a second embodiment. The charging plug 10 of the second embodiment is largely identical to that of the first embodiment, for which reason the differences are discussed below.

Der Ladestecker 10 der zweiten Ausführungsform umfasst ebenfalls einen Einführbereich 12 zum Einführen in die Buchse 11. In dem Einführbereich 12 ist eine Aussparung 14 als Sackloch ausgebildet.The charging plug 10 of the second embodiment also includes an insertion region 12 for insertion into the bush 11. In the insertion region 12, a recess 14 is formed as a blind hole.

Außenseitig ist an dem Einführbereich 12 im Bereich der Aussparung 14 ein Verstärkungselement 13 angebracht, das als Stanzelement aus einem Metallblech mit einer Materialdicke von weniger als 3 mm hergestellt ist. Entsprechend ist das ganze Verstärkungselement 13 als ebener Flachbereich 15 ausgeführt. Das Verstärkungselement 13 ist außenseitig an dem Einführbereich 12 angeordnet. In dem Verstärkungselement 13 ist eine Durchgangsöffnung 22 ausgebildet, die mit der Aussparung 14 korrespondiert und die Aussparung 14 an ihrer in Einsteckrichtung 19 der Buchse 11 zugewandten Seite verstärkt.On the outside, a reinforcing element 13 is attached to the insertion region 12 in the region of the recess 14, which is produced as a punching element from a metal sheet with a material thickness of less than 3 mm. Accordingly, the entire reinforcing element 13 is designed as a flat flat area 15. The reinforcing element 13 is arranged on the outside of the insertion region 12. In the reinforcing element 13, a passage opening 22 is formed, which corresponds to the recess 14 and reinforces the recess 14 at its side facing in the insertion direction 19 of the bushing 11 side.

Der Einführbereich 12 ist mit einer Vertiefung 16 zur Aufnahme des Verstärkungselements 13 ausgeführt, wobei das Verstärkungselement 13 mit dem Einführbereich 12 einen ebenen Übergang bildet. Die Vertiefung 16 ist um die Aussparung 14 angeordnet.The insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12. The recess 16 is arranged around the recess 14.

Auch gemäß der zweiten Ausführungsform hat das Metall des Verstärkungselements 13 eine höhere Festigkeit als das Material des Einführbereichs 12.Also, according to the second embodiment, the metal of the reinforcing member 13 has higher strength than the material of the insertion portion 12.

Das Verstärkungselement 13 ist mit vier Haltenasen 17 ausgeführt, die paarweise an seinen Seitenkanten angeordnet sind und sich in Richtung quer zu der Einsteckrichtung 19 an der Oberfläche des Einführbereichs 12 erstrecken.The reinforcing element 13 is designed with four retaining lugs 17, which are arranged in pairs on its side edges and extend in the direction transverse to the insertion direction 19 on the surface of the insertion region 12.

Im Übrigen stimmt Ladestecker 10 der zweiten Ausführungsform mit dem der ersten Ausführungsform überein.Incidentally, charging plug 10 of the second embodiment is the same as that of the first embodiment.

Die Figuren 7 und 8 betreffen einen Ladestecker 10 gemäß einer dritten Ausführungsform. Der Ladestecker 10 der dritten Ausführungsform ist in weiten Teilen identisch zu dem der zweiten Ausführungsform, weshalb nachstehend insbesondere auf die Unterschiede der Ladestecker 10 der zweiten und dritten Ausführungsform eingegangen wird.The FIGS. 7 and 8th relate to a charging plug 10 according to a third embodiment. The charging plug 10 of the third embodiment is largely identical to that of the second embodiment, for which reason, in particular, the differences between the charging plug 10 of the second and third embodiments will be discussed below.

Der Ladestecker 10 der dritten Ausführungsform ist als Combo-Stecker ausgeführt, der Gleich- und Wechselstromladung unterstützt. Entsprechend weist der Stecker wie zuvor beschrieben Kontakte 21 für die Wechselstromladung und zusätzliche Kontakte 23 für die Gleichstromladung auf.The charging plug 10 of the third embodiment is designed as a combo plug that supports DC and AC charge. Accordingly, the Plug as described above contacts 21 for the AC charge and additional contacts 23 for the DC charge on.

Der Ladestecker 10 der dritten Ausführungsform umfasst ebenfalls einen Einführbereich 12 zum Einführen in die Buchse 11. In dem Einführbereich 12 ist eine Mehrzahl Aussparungen 14 ausgebildet, die als Durchgangslöcher durch den Einführbereich 12 ausgeführt sind.The charging plug 10 of the third embodiment also includes an insertion portion 12 for insertion into the socket 11. In the insertion portion 12, a plurality of recesses 14 are formed, which are formed as through holes through the insertion portion 12.

Außenseitig ist an dem Einführbereich 12 ein Verstärkungselement 13 angebracht, das als Stanzelement aus einem Metallblech mit einer Materialdicke von weniger als 3 mm hergestellt ist. Entsprechend ist das ganze Verstärkungselement 13 als ebener Flachbereich 15 ausgeführt. Das Verstärkungselement 13 weist eine Wölbung in Übereinstimmung mit einer Wölbung des Einführbereichs 12 auf, an dem es außenseitig angeordnet ist. In dem Verstärkungselement 13 ist eine Mehrzahl Durchgangsöffnungen 22 ausgebildet, die mit den Aussparungen 14 korrespondieren und die Aussparungen 14 an ihrer in Einsteckrichtung 19 der Buchse 11 zugewandten Seite verstärken.On the outside, a reinforcing element 13 is attached to the insertion region 12, which is produced as a punching element from a metal sheet with a material thickness of less than 3 mm. Accordingly, the entire reinforcing element 13 is designed as a flat flat area 15. The reinforcing member 13 has a bulge in accordance with a curvature of the insertion portion 12 on which it is disposed on the outside. In the reinforcing element 13, a plurality of through holes 22 are formed, which correspond to the recesses 14 and reinforce the recesses 14 on their side facing in the insertion direction 19 of the bushing 11 side.

Das Verstärkungselement 13 ist einteilig ausgeführt, wobei die Bereiche der Durchgangsöffnungen 22 durch Stege 24 verbunden sind. Der Einführbereich 12 ist mit einer Vertiefung 16 zur Aufnahme des Verstärkungselements 13 ausgeführt, wobei das Verstärkungselement 13 mit dem Einführbereich 12 einen ebenen Übergang bildet. Die Vertiefung 16 erstreckt sich um die Aussparungen 14 und zwischen den Aussparungen 14, so dass auch die Stege 24 darin aufnehmbar sind, wie in Fig. 7 gezeigt ist.The reinforcing element 13 is designed in one piece, wherein the regions of the through openings 22 are connected by webs 24. The insertion region 12 is designed with a recess 16 for receiving the reinforcing element 13, wherein the reinforcing element 13 forms a planar transition with the insertion region 12. The recess 16 extends around the recesses 14 and between the recesses 14, so that the webs 24 are receivable therein, as in Fig. 7 is shown.

Auch gemäß der dritten Ausführungsform hat das Metall des Verstärkungselements 13 eine höhere Festigkeit als das Material des Einführbereichs 12. Bezugszeichenliste Ladestecker (Stand der Technik) 1 Einführbereich (Stand der Technik) 2 Aussparung (Stand der Technik) 3 Einsteckrichtung (Stand der Technik) 4 Kraft F Ladestecker 10 Buchse 11 Einführbereich 12 Verstärkungselement 13 Aussparung 14 Flachbereich 15 Vertiefung 16 Haltenase 17 Einsteckrichtung 19 Verriegelungselement 20 Kontakt (Wechselstromladung) 21 Durchgangsöffnung 22 Kontakt (Gleichstromladung) 23 Steg 24 Also, according to the third embodiment, the metal of the reinforcing member 13 has higher strength than the material of the insertion portion 12. LIST OF REFERENCE NUMBERS Charging plug (prior art) 1 Insertion area (prior art) 2 Recess (prior art) 3 Insertion direction (prior art) 4 force F charging plug 10 Rifle 11 insertion 12 reinforcing element 13 recess 14 flat area 15 deepening 16 retaining nose 17 insertion 19 locking element 20 Contact (AC charge) 21 Through opening 22 Contact (DC charge) 23 web 24

Claims (10)

  1. A charging connector (10), in particular for electric vehicles, comprising an insertion area (12) for insertion into a corresponding socket (11),
    the insertion area (12) having a recess (14) on the outside, and
    the charging connector (10) being lockable in the socket (11), so as to be secured against being pulled out, by inserting a locking element (20) formed on the socket (11) into the recess (14),
    the insertion area (12) being configured with a reinforcement element (13), which reinforces the recess (14) on the side thereof facing the socket (11) in the insertion direction (19), and
    the reinforcement element (13) including an insertion area, which is disposed on a side of the recess (14) facing the socket (11) in the insertion direction (19),
    characterized in that
    the insertion area forms the reinforcement of the recess (14) on the front inner surface thereof facing the socket (11) in the insertion direction (19).
  2. The charging connector (10) according to claim 1,
    characterized in that
    the reinforcement element (13) is designed as a metal element.
  3. The charging connector (10) according to either claim 1 to 2,
    characterized in that
    the reinforcement element (13) is designed as a stamped element.
  4. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the reinforcement element (13) includes a substantially planar flat area (15), which is disposed on the outside of the insertion area (12).
  5. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the insertion area (12) has a plurality of recesses (14) on the outside, and
    the reinforcement element (13) is designed to reinforce the recesses (14) on the side thereof facing the socket (11) in the insertion direction (19).
  6. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the recess (14) is implemented in the reinforcement element (13) .
  7. The charging connector (1) according to any one of the preceding claims,
    characterized in that
    the reinforcement element (13) is implemented with at least one lateral retaining projection (17), which extends in a direction transversely to the insertion direction (19).
  8. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the reinforcement element (13) is disposed in a region of the insertion area (12) spaced apart at a maximum distance from electrical contacts (21, 23), the maximum distance being formed as a mean value for all contacts.
  9. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the charging connector (10) comprises a plurality of electrical contacts (21, 23) for transmitting electrical currents and/or voltages, and
    the reinforcement element (13) is disposed in a region of the insertion area (12) spaced apart at a maximum distance from the electrical contacts (21, 23) for the transmission of the greatest voltages and/or currents, the maximum distance being formed as a mean value for all contacts.
  10. The charging connector (10) according to any one of the preceding claims,
    characterized in that
    the reinforcement element (13) is designed as a sheet metal element, and the insertion area is formed by bending a portion of the sheet metal element.
EP14158778.2A 2013-03-19 2014-03-11 Charging connector with reinforcing element Active EP2782194B1 (en)

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DE102013102823.3A DE102013102823A1 (en) 2013-03-19 2013-03-19 Charging plug with reinforcement element

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EP2782194B1 true EP2782194B1 (en) 2019-05-01

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Publication number Priority date Publication date Assignee Title
DE102016105371A1 (en) 2016-03-22 2017-09-28 Phoenix Contact E-Mobility Gmbh Connector part for plug-in connection with a mating connector part
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EP2782194A1 (en) 2014-09-24
CN104064927B (en) 2017-04-12
CN104064927A (en) 2014-09-24
DE102013102823A1 (en) 2014-09-25

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