EP2638603B1 - Étanchéité des chambres de contact contre un matériau pulvérisé (plastique) pendant le processus d'injection - Google Patents

Étanchéité des chambres de contact contre un matériau pulvérisé (plastique) pendant le processus d'injection Download PDF

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Publication number
EP2638603B1
EP2638603B1 EP11784628.7A EP11784628A EP2638603B1 EP 2638603 B1 EP2638603 B1 EP 2638603B1 EP 11784628 A EP11784628 A EP 11784628A EP 2638603 B1 EP2638603 B1 EP 2638603B1
Authority
EP
European Patent Office
Prior art keywords
sealing element
contact
cable
contact carrier
injection
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
EP11784628.7A
Other languages
German (de)
English (en)
Other versions
EP2638603A1 (fr
Inventor
Manuel Linseder
Crispin Siegl
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.)
Hirschmann Automotive GmbH
Original Assignee
Hirschmann Automotive 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 Hirschmann Automotive GmbH filed Critical Hirschmann Automotive GmbH
Publication of EP2638603A1 publication Critical patent/EP2638603A1/fr
Application granted granted Critical
Publication of EP2638603B1 publication Critical patent/EP2638603B1/fr
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
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or 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
    • H01R13/50—Bases; Cases formed as an integral body
    • H01R13/501—Bases; Cases formed as an integral body comprising an integral hinge or a frangible part
    • 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
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
    • 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 invention relates to a method for producing a connector, these connectors preferably being used in automobiles.
  • the connector has a contact carrier, the contact carrier being made of plastic, for example, and being produced in an injection molding process.
  • the contact carrier has contact chambers, a contact partner being arranged and fixed in each contact chamber.
  • the contact partner for example a contact pin or a contact socket, is attached to the end of an electrical cable, the electrical conductor of the cable being in electrical and mechanical contact with the contact partner.
  • Such a connection can be made, for example, by crimping, soldering or the like.
  • the contact partner is locked once or twice in the contact carrier, in particular in its contact chamber, with latching hooks, projections or the like, for example, being used for locking.
  • Sealing elements are known which are designed as separate components and are arranged in the contact carrier in a suitable manner and exert their sealing function on the outer sheath of the cable. Conversely, separate sealing elements are known which are pushed onto the outer sheath of the cable and seal the outer sheath with respect to the contact carrier by introducing the cable and its contact partner at the end of the cable into the contact carrier.
  • the US5,580,264 A discloses a connector in which a two-part sealing element is inserted into the contact carrier.
  • the DE 601 31 488 T2 discloses a connector with integral sealing flaps on the contact carrier.
  • the invention is therefore based on the object of specifying a method for producing a plug connector in which the number of parts is reduced and the assembly effort is reduced.
  • the sealing element acting on the cable sheaths is produced separately from the contact carrier, also from plastic, in an injection molding process and, after production, is attached to the contact carrier. This makes it possible to adapt different contact carriers, in particular their design and geometric shape of the contact chambers, to the corresponding receiving areas of the cable in the area of the sealing element.
  • the sealing element or parts thereof are already produced together with the contact carrier when it is produced.
  • the number of parts can advantageously be reduced and the ease of assembly increased.
  • the sealing element is produced from exactly two parts, which are initially partially open to accommodate the cables and, after the cables have been received, are joined together for the purpose of completely enclosing the cables.
  • This has the advantage that the end area of the cable to which the contact partners are attached can be inserted in the correct position in the contact carrier, with the cables being partially picked up in the area of the sealing element, in particular in a partial area of the sealing element .
  • Due to the initially open design of the sealing element the cables with their contact partners can be arranged without problems both in the contact chambers of the contact carrier and in the open partial area of the sealing element. This can preferably be done in an automated manner.
  • the second part of the sealing element completely encloses the cable by joining the two parts of the sealing element.
  • the sealing element By joining the two parts of the sealing element, there is a form fit between the contact areas of the sealing element and the surfaces of the cable sheaths of the cables, whereby not only a form fit takes place here, but also the sealing element under pretension or under pressure on the cable sheaths is applied. This ensures that there is between the surface of the cable jacket and the There is no longer a gap between the surfaces of the associated sealing area of the sealing element, in order to prevent longitudinal water from flowing there.
  • a supplementary or alternative purpose to the longitudinal watertightness through the arrangement of the sealing element is to be seen in the fact that, viewed in the longitudinal direction (along the cable), the sealing element prevents subsequently encapsulated material, which is arranged around the sealing element, from reaching the Contact chambers and consequently as far as the contact partners, which are arranged in the contact chambers, arrives.
  • the subsequent overmolding is carried out for the reason that the longitudinal watertightness can be achieved either in addition to the existing sealing element or solely with the overmolding.
  • the body formed by the subsequent overmolding completely encloses both the contact carrier (in particular its end area facing away from the plug face) and the outer surface of the cable sheaths led out of the connector.
  • the subsequently overmolded plastic material is prevented from reaching the contact chambers. Because in these contact chambers, the contact partners are arranged, which must be accessible for the associated contact carrier of a mating connector. Should plastic material get into the contact chambers of the connector during the subsequent overmolding process to ensure longitudinal watertightness, it would no longer be guaranteed that the contact partners located there are freely accessible to the associated contact partners of the mating connector.
  • the sealing element according to the invention ensures plastic material can get into the contact chambers of the connector during a subsequent overmolding process.
  • This previously described function of the sealing element is its only or its main function, and a first longitudinal watertightness can also be implemented in addition to the subsequent overmolding by the sealing element.
  • the contact carrier 1 is produced together with the sealing element in a plastic injection molding process.
  • the sealing element part 3 forms an axial extension of the contact carrier 1.
  • This sealing element part 3 has trough-shaped openings and is open in this state.
  • the second sealing element part 2 is arranged on the sealing element part 3 via a flexible connection, which is preferably designed as a film hinge here, and has trough-shaped openings corresponding to the trough-shaped openings of part 3.
  • the in Figure 1 The contact carrier 1 shown with its integrally molded sealing element is thus injection molded from plastic in a first manufacturing step.
  • the individual cables are then arranged with their contact partners in the contact chambers of the contact carrier 1 and in the trough-shaped openings of the sealing element part 3.
  • the two sealing element parts 2, 3 are then joined by folding part 2 around the film hinge in the direction of part 3 and joining these two parts together, for example by latching or gluing them.
  • This state is in Figure 2 shown, whereby it is conceivable that the in Figure 2
  • the connector shown by joining the two sealing element parts 2, 3 already has the required longitudinal watertightness and is finished in its manufacture. This means that it is already ready for use for its purpose.
  • an encapsulation 5 surrounds the end area facing away from the plug side of the connector 6, overlaps the sealing element 2 including the outer sheaths of the cables 4 that are led out of the sealing element 2 , 3 the longitudinal watertightness is achieved. If longitudinal watertightness is not to be achieved with the sealing element part 2, 3, its function is to be seen in the fact that when the encapsulation 5 is carried out, material of the encapsulation is prevented from getting into the contact chambers of the contact carrier 1.
  • the function of the sealing element 2, 3 is therefore to be seen in the fact that it either only prevents the Material of the encapsulation 5 penetrates the contact chambers of the contact carrier 1 and does not contribute to the longitudinal watertightness or its function is to be seen in the fact that both the sealing element 2, 3 and the encapsulation 5 realize the longitudinal watertightness.
  • the mechanical stability of the plug connector 6 is significantly increased by the sealing element 2, 3 and / or the extrusion coating 5.
  • a contact carrier 1 can be seen in which a sealing area is provided on the contact carrier 1 at one end in the axial alignment of the cable (not shown here).
  • This sealing area can either be formed in one piece with the contact carrier 1 or manufactured separately from the contact carrier 1 and then connected to the contact carrier 1 in a non-detachable or detachable manner.
  • the contact carrier 1 consists of a first plastic material, the sealing area consisting of a further plastic material, the first plastic material having the properties required to form the contact chambers and to accommodate the contact partners and being harder than the further plastic material in terms of its material properties which the sealing area is formed.
  • This further plastic material is softer than the first plastic material (in particular designed as an elastomer), so that it has the desired sealing properties with respect to the outer sheath of the cable.
  • the at least two parts, preferably the precisely two parts 2, 3, of the sealing area are preferably divided approximately in the central plane and can, but need not, be designed symmetrically.
  • the sealing area on the contact carrier 1 thus comprises many receiving areas, such as the connector has cables with contact partners.
  • the cable is designed as a ribbon cable, for example, it can be considered that the sealing area comprises only a single receiving area for the ribbon cable and completely encloses it in the sealing area.
  • the two-part sealing element according to Figure 1 thus comprises a first part 3 which is detachably or non-detachably arranged on the contact carrier 1.
  • This sealing element 3 is inextricably connected to the contact carrier 1 when it has been produced together with the contact carrier 1 in a two-component injection molding process.
  • the first sealing element 3 is produced detached from the contact carrier 1 as a separate component and then connected to it in a non-detachable manner, for example by means of an adhesive connection.
  • the first part of the sealing element 3 is then releasably connected to the contact carrier 1 when it is fixed to the contact carrier 1 by means of a latching connection, a tongue and groove connection or the like, for example.
  • the second part 2 of the sealing element is, as in Figure 1 shown, movably connected to the first sealing element 3.
  • This connection can be designed, for example, by a film hinge.
  • the two sealing element parts 2, 3 are closed by the second sealing element 2 is moved around the film hinge in the direction of the first sealing element 3 and, for example, is fixed to it in a latching manner.
  • the sealing area on the contact carrier 1, that is to say the first sealing element 3 has a latching hook and a corresponding latching tab is provided on the second sealing element 2.
  • the shape of the sealing areas of the sealing elements 2, 3 as well as the geometric design of the locking hook and latching tab are selected so that when the locking connection is activated, the two sealing element parts 2, 3 or their sealing areas rest on the outer sheaths of the respective cable 4 under a certain pretension (pressure).
  • the sealing element 2, 3, here the second part connected to the film hinge on the first sealing element part, has an elevation (hump), the surface of which either protrudes from the extrusion coating 5, is flush with it or is arranged below it, i.e. consequently is and remains visible after the encapsulation 5 in order to recognize that the sealing element complies with the regulations (as with the Figures 1 and 2 executed) and after the encapsulation it can be seen that the sealing element is present (quality control).
  • the cables 4, which lead out of the sealing element 2, 3 ( Figure 2 ) and overmolded ( Figure 3 ) are spaced a minimum apart to ensure that between A web is created for the individual cable sheaths in order to achieve the necessary strength, in particular for tensile and compressive loads.
  • the distance between the two adjacent cable sheaths should be at least half the diameter of the cable sheath. If the two adjacent cables have different diameters, the width of the web between the two cable sheaths should be at least half the diameter of the smaller cable diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (3)

  1. Procédé de fabrication d'un connecteur enfichable (6) qui présente un porte-contacts (1) en matière synthétique moulée par injection et doté de peignes de contacts qui reprennent chacun un partenaire de contact, un élément d'étanchéité agissant sur l'enveloppe extérieure d'un ou plusieurs câbles (4) qui sort du connecteur enfichable (6) et dont l'extrémité du conducteur électrique est reliée au partenaire de contact correspondant étant prévu, l'élément d'étanchéité étant également réalisé en matière synthétique moulée par injection et étant relié au porte-contacts (1) après sa fabrication, l'élément d'étanchéité étant constitué exactement de deux pièces (2, 3) qui sont initialement ouvertes en partie pour reprendre les câbles (4) et sont reliées de manière à entourer complètement les câbles (4) après la reprise des câbles (4), ces deux pièces (2, 3) étant reliées l'une à l'autre par une liaison flexible, notamment une charnière en film, lors de leur fabrication, les deux pièces (2, 3) de l'élément d'étanchéité étant englobées dans une encapsulation (5) après que les câbles (4) ont été immobilisés dans leur position finale.
  2. Procédé de fabrication d'un connecteur enfichable (6) qui présente un porte-contacts (1) en matière synthétique moulée par injection et doté de peignes de contacts qui reprennent chacun un partenaire de contact, un élément d'étanchéité agissant sur l'enveloppe extérieure d'un ou plusieurs câbles (4) qui sort du connecteur enfichable (6) et dont l'extrémité du conducteur électrique est reliée au partenaire de contact correspondant étant prévu, l'élément d'étanchéité étant également réalisé en matière synthétique moulée par injection et étant relié au porte-contacts (1) après sa fabrication, l'élément d'étanchéité étant constitué exactement de deux pièces (2, 3) qui sont initialement ouvertes en partie pour reprendre les câbles (4) et sont reliées de manière à entourer complètement les câbles (4) après la reprise des câbles (4), ces deux pièces (2, 3) étant reliées l'une à l'autre par une liaison flexible, notamment une charnière en film, lors de leur fabrication, les deux pièces (2, 3) de l'élément d'étanchéité étant englobées dans une encapsulation (5) après que les câbles (4) ont été immobilisés dans leur position finale, une zone étanche étant formée d'un seul tenant avec le porte-contacts (1) par une opération de moulage par injection de deux composants, le porte-contacts (1) étant constitué d'une première matière synthétique et la zone d'étanchéité d'une autre matière synthétique, la première matière synthétique présentant les propriétés nécessaires pour former les peignes de contacts et pour reprendre les partenaires de contact et ses propriétés physiques étant plus dures que celles de l'autre matière synthétique de laquelle la zone d'étanchéité est formée.
  3. Procédé selon la revendication 2, caractérisé en ce que dans la direction allant vers le porte-contacts (1), l'encapsulation (5) est réalisée sans que le porte-contacts (1) soit complètement englobé dans l'encapsulation (5).
EP11784628.7A 2010-11-12 2011-11-10 Étanchéité des chambres de contact contre un matériau pulvérisé (plastique) pendant le processus d'injection Active EP2638603B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010051100 2010-11-12
PCT/EP2011/069841 WO2012062855A1 (fr) 2010-11-12 2011-11-10 Étanchéité des chambres de contact contre un matériau pulvérisé (plastique) pendant le processus d'injection

Publications (2)

Publication Number Publication Date
EP2638603A1 EP2638603A1 (fr) 2013-09-18
EP2638603B1 true EP2638603B1 (fr) 2021-05-26

Family

ID=44993545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11784628.7A Active EP2638603B1 (fr) 2010-11-12 2011-11-10 Étanchéité des chambres de contact contre un matériau pulvérisé (plastique) pendant le processus d'injection

Country Status (6)

Country Link
EP (1) EP2638603B1 (fr)
CN (1) CN103210548B (fr)
DE (1) DE102011055215A1 (fr)
ES (1) ES2883178T3 (fr)
HK (1) HK1184597A1 (fr)
WO (1) WO2012062855A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2731202B1 (fr) 2012-11-13 2019-09-18 Gjm, S.A. méthode de fabrication d'un connecteur hermétique et connecteur étanche obtenu par cette méthode
EP3176882B1 (fr) * 2015-12-04 2020-05-27 Nexans Élément de couplage ayant une conduite électrique raccordée
CN106738618A (zh) * 2016-12-28 2017-05-31 上海航天电源技术有限责任公司 一种注胶模具及对接插件尾线的注塑方法
EP3681689A1 (fr) * 2017-09-11 2020-07-22 Hirschmann Automotive GmbH Surface structurée par laser pour une liaison par injection de la surface
WO2020025661A1 (fr) 2018-07-31 2020-02-06 Hirschmann Automotive Gmbh Étanchéité améliorée des chambres de contact par rapport à un matériau moulé par injection (plastique) pendant le processus de surmoulage lors de la fabrication d'un connecteur électrique
DE102019210082A1 (de) * 2019-07-09 2021-01-14 Mahle International Gmbh Verfahren zum Herstellen einer Anordnung mit wenigstens einem ersten und einem zweiten Kunststoffteil
WO2023214246A1 (fr) 2022-05-03 2023-11-09 Gjm, S.A. Procédé de fabrication d'un connecteur étanche et connecteur étanche obtenu

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580264A (en) * 1994-08-09 1996-12-03 Sumitomo Wiring Systems, Ltd. Waterproofed connector
DE60131488T2 (de) * 2000-04-04 2008-04-17 Valeo Electronique et Systèmes de Liaison Elektrischer Steckverbinder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4101375C1 (fr) * 1991-01-18 1992-04-30 Bayer Ag, 5090 Leverkusen, De
JP2000082527A (ja) * 1998-09-08 2000-03-21 Yazaki Corp 防水コネクタ
JP3696455B2 (ja) * 1999-10-08 2005-09-21 矢崎総業株式会社 防水コネクタ
DE102005009442A1 (de) * 2005-03-02 2006-09-14 Hirschmann Automotive Gmbh Steckverbinder mit einer Crimp-Abdichtung und/oder einer Kabelhalterung
DE102005039506A1 (de) * 2005-08-20 2007-02-22 Hirschmann Automation And Control Gmbh Steckverbinder mit einem an dem Gehäuse des Steckverbinders angeordneten unverlierbaren Dichtelement
DE102006014646B4 (de) * 2006-03-28 2008-06-26 Phoenix Contact Gmbh & Co. Kg Anschlussklemme für Leiterplatten

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580264A (en) * 1994-08-09 1996-12-03 Sumitomo Wiring Systems, Ltd. Waterproofed connector
DE60131488T2 (de) * 2000-04-04 2008-04-17 Valeo Electronique et Systèmes de Liaison Elektrischer Steckverbinder

Also Published As

Publication number Publication date
WO2012062855A1 (fr) 2012-05-18
HK1184597A1 (zh) 2014-01-24
CN103210548B (zh) 2016-02-10
CN103210548A (zh) 2013-07-17
DE102011055215A1 (de) 2012-05-16
ES2883178T3 (es) 2021-12-07
EP2638603A1 (fr) 2013-09-18

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