EP1998411A2 - Connecteur à fiches électrique - Google Patents

Connecteur à fiches électrique Download PDF

Info

Publication number
EP1998411A2
EP1998411A2 EP08001104A EP08001104A EP1998411A2 EP 1998411 A2 EP1998411 A2 EP 1998411A2 EP 08001104 A EP08001104 A EP 08001104A EP 08001104 A EP08001104 A EP 08001104A EP 1998411 A2 EP1998411 A2 EP 1998411A2
Authority
EP
European Patent Office
Prior art keywords
contact
housing
electrical connector
connector according
holding 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.)
Withdrawn
Application number
EP08001104A
Other languages
German (de)
English (en)
Other versions
EP1998411A3 (fr
Inventor
Wolfgang Wiese
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.)
Erich Jaeger GmbH
Original Assignee
Erich Jaeger GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erich Jaeger GmbH filed Critical Erich Jaeger GmbH
Publication of EP1998411A2 publication Critical patent/EP1998411A2/fr
Publication of EP1998411A3 publication Critical patent/EP1998411A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/426Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/111Resilient sockets co-operating with pins having a circular transverse section
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42Securing in a demountable manner
    • H01R13/422Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5845Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the strain relief being achieved by molding parts around cable and connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/26Connectors or connections adapted for particular applications for vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections

Definitions

  • the invention relates to an electrical connector having a contact housing and a plurality of electrical contacts, in particular for producing electrical connectors in the motor vehicle sector, wherein in each case a line of a cable is electrically conductively fixed in a contact foot of the electrical contacts and the contacts are fixed in the contact housing.
  • Such electrical connectors are predominantly used for so-called automotive applications, i. in the automotive field, used to electrically connect, for example, a trailer with a towing vehicle.
  • the contacts in the contact housing are often overmolded with a rigid plastic to fix the contacts in the housing and to form the plug or the socket.
  • the material used for the connector must be sufficiently rigid to meet the mechanical requirements of the plug-in system. It should be noted that these plugs are often used outdoors for passenger cars or trucks, which are exposed to significant loads during operation.
  • a disadvantage of the above-described known connectors is that the contacts are fixed very firmly in their position by the encapsulation with the rigid plastic. This leads to a large insertion force, which must be applied when connecting the connector, and increased wear.
  • the object of the invention is therefore to propose an electrical connector of the type mentioned, in which the connector can be produced easily and with less effort to in this way To achieve a lower wear during use of the connector and a longer life.
  • the holding element is formed as the contact foot of a contact surrounding elastic sleeve, wherein the contact is preferably fixed exclusively in the housing via this sleeve or the holding element. Except in the region of the retaining element, the housing thus does not engage the contact; Rather, the contact in the not surrounded by the holding element or the sleeve portion is exposed, so that due to the elastic holding member or the elastic sleeve relative movement between the contact (s) and the contact housing is possible.
  • the degree of movement and the force to be applied can be suitably adjusted by the height of the elasticity of the retaining element.
  • the contact outside of the contact foot forming area can thus be arranged freely in a contact chamber surrounded the contact, so that the contact can be moved by laterally acting forces and pressed against the walls of the contact chamber, which limit the travel.
  • the size of the contact chamber is preferably selected so that a good contact between the various contacts of the connector (plug and socket) can be made.
  • the holding element can be fixed by a injected into the holding element or molded onto the holding element plastic part on the contact housing, it is advantageous if the plastic part of the holding element at least partially surrounds and thus defines the limits of its deformation. As a result of the encapsulation of the retaining element, the retaining element is stabilized to secure the contact arranged in the retaining element.
  • the molded-in or molded plastic part itself forms the compact housing by the entire contact housing is molded onto the holding element.
  • the contact housing may also be equal to the (outer) housing of the connector, so that the entire connector can be produced by encapsulation of the retaining element in a single injection pass.
  • the holding element preferably has a toothing which fixes the contact in the axial direction, wherein the holding element preferably has a bead or projection which engages in a recess or depression of the holding element. Due to its elasticity, the retaining element can be pushed onto the contact, in particular from the side of the contact foot, until the bead of the retaining element engages in the recess of the contact.
  • the gearing may additionally or alternatively also consist of the fact that the holding element has a stop which is supported on a foot-side end of the contact in the axial direction of this.
  • the holding element preferably encloses the contact in the area of its contact foot, wherein a cable feedthrough is provided for the line of the cable electrically connected to the contact.
  • the region of the holding element projecting on the cable side via the contact foot of the contact preferably corresponds to half to one quarter, in particular approximately one third, of the axial length of the entire holding element. As has been found, is achieved by such a design of the retaining element optimum spring property of the contacts in the axial direction at the same time sufficiently secure fixation.
  • the holding element in order to securely fix the holding element, in particular in the axial plugging direction of the contacts, in the contact housing, the holding element may have at least one recess and / or a projection on the side facing the contact housing.
  • Such fixing elements formed as recesses or projections secure the retaining element in the axial direction after encapsulation with plastic in the contact housing by stabilizing the retaining element.
  • the depressions are formed, for example, as radially encircling grooves and / or the projections as radial elevations on the lateral surface of the retaining element.
  • the holding element and the compact housing and possibly the (outer) housing of the connector can be integrally formed from a soft elastic plastic.
  • This alternative embodiment with integrally formed holding element and contact housing represents a compromise in practice between the desired flexibility of the contacts and sufficient housing rigidity, which allows a particularly simple and cost-effective production of the electrical connector in a single injection molding process.
  • the holding element and the contact housing or the entire housing of the connector may be formed in two parts of soft elastic material, wherein the elasticity of the holding element is preferably higher than the elasticity of the housing.
  • a contact provided in the electrical connector may preferably have a resilient element.
  • all contacts may be identical and all have a resilient element, so that the mechanical properties of the contacts present in the connector are all comparable.
  • embodiments of the connector according to the invention with different contacts are also possible. This is useful, for example, when certain contacts must be firmly fixed for safety or other reasons and other contacts are to be designed to be movable relative to these contacts in order to reduce the insertion force occurring.
  • a contact of the electrical connector may be formed as a contact sleeve, wherein preferably all contacts of the connector are formed as a contact sleeve.
  • the elastic properties when inserting contact pins can be used particularly advantageously.
  • the inventive concept can also be used if the contacts are designed as contact pins.
  • two mating connectors may each comprise contact pins and contact sleeves, one of the two types of contacts, preferably the contact sleeve, having a floating bearing according to the invention.
  • a kink protection sleeve be molded, which prevents a sharp kinking of emerging from the housing or contact housing of the connector cable and at the same time can serve as strain relief by the kink protection sleeve is sprayed directly onto the cable sheath and at least slightly elastic properties having.
  • the in Fig. 1 shown electrical connector is designed as a plug 1 having a contact housing 2, which is identical to the outer casing of the plug 1.
  • a total of seven electrical contacts 3 are provided, wherein a central contact 3 of six on a concentric with the central contact 3 circle is arranged at the same circumferential distance contacts 3 is surrounded (see. Fig. 2 ).
  • a central contact 3 of six on a concentric with the central contact 3 circle is arranged at the same circumferential distance contacts 3 is surrounded (see. Fig. 2 ).
  • Of the total of seven contacts 3 are in Fig. 1 three contacts 3 shown.
  • a line 5 of a cable 6 is connected in an electrically conductive manner to the contact 3, for example by means of a crimp connection.
  • the contacts 3 are fixed by an inventive elastic retaining element 7 in the contact housing 2.
  • the holding element 7 is formed as the contact foot 4 of each contact 3 surrounding cuff, which produces the only connection between the contact 3 and the contact housing 2.
  • the contact 3 outside the area forming the contact foot 4 is thus arranged freely in a contact chamber 8 surrounding the contact 3, in which the contact 3 is movable in the holding element 7 due to its floating mounting.
  • the contact 3 embodied as a contact sleeve can be moved freely in the space defined by the contact chamber 8 when inserting a contact pin, in particular in the finding and insertion phase.
  • the insertion force is reduced and possible occurring in the contact housing 2 voltages due to tilting two connectors avoided.
  • the sleeve-like holding element 7 is designed such that it completely surrounds the contact foot 4 of the contact 3 and projects beyond the contact 3 at the cable-side end of the contact 3 along the line 5 in the axial direction.
  • the retaining element 7 has a toothing 9 which fixes the contact 3 in the axial direction and which is designed such that the retaining element 7 has a protruding in the direction of the contact 3 bead 10 which engages in a corresponding recess 11 of the contact 3.
  • the holding element 7 has a stop 12, which is supported on the foot-side end of the contact 3 in the axial direction and intercepts the forces occurring during assembly of a plug connection in the axial direction.
  • the retaining element 7 has radially circumferential grooves arranged in the region of the bead 10 and the abutment 12 as recesses 13 which, when the retaining elements 7 are encapsulated Forming the contact housing 2 with the solid or stronger plastic of the contact housing are felt and thereby stabilize the holding elements 7 such that the teeth 9 intercepts the radially occurring forces when connecting or disconnecting a plug connection and prevents the contact 3 pulled out of the contact housing 2 is or the connection between the contact 3 and the line 5 is charged to train. Furthermore, the holding element 7 itself is securely held in the contact housing 2.
  • Each of the contact sleeves 3 has at its opposite the contact foot 4 open end a spring element 14, are fixed by the inserted into the contact sleeve 3, not shown contact pins resiliently and securely contacted.
  • the cable side of the contact housing then and preferably integrally connected thereto a kink protection grommet 15 is provided, which has a plurality of each offset by about 90 ° semicircular slots in its peripheral edge preferably at least slightly elastic material so that it is bendable and a total bending of the cable 6 at the output of the contact housing 2 prevented.
  • the anti-kink sleeve 15 is, in particular Fig. 1 can be seen, sprayed directly on the jacket 16 of the cable 6 and therefore acts at the same time as a strain relief for the cable. 6
  • the connector 1 according to the invention can therefore be made simply by molding the surrounded with the elastic sleeve 7 contacts 3 with a rigid or in particular less elastic plastic, wherein by encapsulating the contact housing 2, which is identical to the outer housing of the connector 1, in the desired Shape can be produced.
  • the connector 1 according to the invention can be easily and inexpensively manufactured and simultaneously reduces the insertion forces occurring in the connector.
  • the connector 1 according to the invention is particularly wear-resistant.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP08001104A 2007-06-01 2008-01-22 Connecteur à fiches électrique Withdrawn EP1998411A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007007831U DE202007007831U1 (de) 2007-06-01 2007-06-01 Elektrischer Steckverbinder

Publications (2)

Publication Number Publication Date
EP1998411A2 true EP1998411A2 (fr) 2008-12-03
EP1998411A3 EP1998411A3 (fr) 2009-12-02

Family

ID=38336572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08001104A Withdrawn EP1998411A3 (fr) 2007-06-01 2008-01-22 Connecteur à fiches électrique

Country Status (2)

Country Link
EP (1) EP1998411A3 (fr)
DE (1) DE202007007831U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103219600A (zh) * 2012-01-19 2013-07-24 苏州海希电子科技有限公司 圆形多芯连接器及其装配方法
WO2019202168A1 (fr) 2018-04-19 2019-10-24 Hachadorian Design & Calculation Gmbh Connecteur électrique doté d'un dispositif de verrouillage commandé par came
DE102022128212A1 (de) 2022-10-25 2024-04-25 ce.tron Gesellschaft für Hard- & Softwaretechnik mbH Passstück, Verfahren zur Herstellung desselben sowie Prüfvorrichtung und -verfahren

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182278A (en) * 1961-06-16 1965-05-04 Smart & Brown Connectors Ltd Multi-contact electric connectors
DE1440734A1 (de) * 1960-03-25 1969-02-27 Burndy Corp Federelement zur Halterung eines Kontaktgliedes in einer Bohrung eines Verbindungsstueckes
US4387945A (en) * 1981-06-30 1983-06-14 The Bendix Corporation Electrical connector insert
US5374202A (en) * 1992-11-10 1994-12-20 Burndy Corporation Electrical connector spacer
US5482470A (en) * 1993-05-20 1996-01-09 Sumitomo Wiring Systems, Ltd. Electrical connector
US5934945A (en) * 1997-03-05 1999-08-10 Framatome Connectors Usa Inc. Contact retainer for retaining a contact to a housing
DE20014473U1 (de) * 2000-08-22 2000-12-07 Jaeger Erich Gmbh & Co Kg Steckmodul für einen Stromleiterstift
DE10242429A1 (de) * 2001-09-11 2003-05-08 Yazaki Corp Überschlagwiderstandsfähiger Aufbau einer Steckverbindung
DE202005011694U1 (de) * 2005-07-21 2005-10-06 Erich Jaeger Gmbh & Co. Kg Stecker für eine elektrische Steckverbindung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1440734A1 (de) * 1960-03-25 1969-02-27 Burndy Corp Federelement zur Halterung eines Kontaktgliedes in einer Bohrung eines Verbindungsstueckes
US3182278A (en) * 1961-06-16 1965-05-04 Smart & Brown Connectors Ltd Multi-contact electric connectors
US4387945A (en) * 1981-06-30 1983-06-14 The Bendix Corporation Electrical connector insert
US5374202A (en) * 1992-11-10 1994-12-20 Burndy Corporation Electrical connector spacer
US5482470A (en) * 1993-05-20 1996-01-09 Sumitomo Wiring Systems, Ltd. Electrical connector
US5934945A (en) * 1997-03-05 1999-08-10 Framatome Connectors Usa Inc. Contact retainer for retaining a contact to a housing
DE20014473U1 (de) * 2000-08-22 2000-12-07 Jaeger Erich Gmbh & Co Kg Steckmodul für einen Stromleiterstift
DE10242429A1 (de) * 2001-09-11 2003-05-08 Yazaki Corp Überschlagwiderstandsfähiger Aufbau einer Steckverbindung
DE202005011694U1 (de) * 2005-07-21 2005-10-06 Erich Jaeger Gmbh & Co. Kg Stecker für eine elektrische Steckverbindung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103219600A (zh) * 2012-01-19 2013-07-24 苏州海希电子科技有限公司 圆形多芯连接器及其装配方法
WO2019202168A1 (fr) 2018-04-19 2019-10-24 Hachadorian Design & Calculation Gmbh Connecteur électrique doté d'un dispositif de verrouillage commandé par came
DE102022128212A1 (de) 2022-10-25 2024-04-25 ce.tron Gesellschaft für Hard- & Softwaretechnik mbH Passstück, Verfahren zur Herstellung desselben sowie Prüfvorrichtung und -verfahren

Also Published As

Publication number Publication date
EP1998411A3 (fr) 2009-12-02
DE202007007831U1 (de) 2007-08-09

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