EP3973596A1 - Porte-contact - Google Patents

Porte-contact

Info

Publication number
EP3973596A1
EP3973596A1 EP20727139.6A EP20727139A EP3973596A1 EP 3973596 A1 EP3973596 A1 EP 3973596A1 EP 20727139 A EP20727139 A EP 20727139A EP 3973596 A1 EP3973596 A1 EP 3973596A1
Authority
EP
European Patent Office
Prior art keywords
locking
contact
latching
crimp
insulating body
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.)
Pending
Application number
EP20727139.6A
Other languages
German (de)
English (en)
Inventor
Wilhelm KLIEVER
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.)
Harting Electric Stiftung and Co KG
Original Assignee
Harting Electric 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.)
Filing date
Publication date
Application filed by Harting Electric GmbH and Co KG filed Critical Harting Electric GmbH and Co KG
Publication of EP3973596A1 publication Critical patent/EP3973596A1/fr
Pending legal-status Critical Current

Links

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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4367—Insertion of locking piece from the rear
    • H01R13/4368—Insertion of locking piece from the rear comprising a temporary and a final locking position
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • H01R13/4226—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers comprising two or more integral flexible retaining fingers acting on a single contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2495—Insulation penetration combined with permanent deformation of the contact member, e.g. crimping
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve

Definitions

  • the invention is based on a contact carrier according to the preamble of independent claim 1.
  • the invention is further based on a method for assembling a crimp contact in a contact carrier.
  • Such contact carriers are required to hold at least one plug contact inserted therein and to absorb the plugging forces acting on it during the plugging process.
  • the plug contact can
  • a cable connection area namely one
  • the plug contact is a crimp contact.
  • the plug contact can be a
  • Mating area e.g. B. have a contact pin or a contact socket.
  • the plug contact can have a locking groove arranged between the plug-in area and the cable connection area.
  • latching methods are known in which a contact carrier holds such a crimp contact on its circumferential latching groove against insertion forces that occur.
  • the locking groove is designed to be rectangular in cross section, so has two opposing locking surfaces which are at right angles to
  • Plug direction / axis of symmetry of the plug contact are aligned.
  • Crimp contacts are, however, already available in large quantities on the market and should continue to do so in particular due to their excellent long-term behavior that has been tried and tested in practice
  • the customer therefore requires contact carriers that can be used both for the aforementioned crimp contacts and for crimp contacts for larger conductor cross-sections, for example for conductor cross-sections of up to 10 mm 2 .
  • the object of the invention is to design a contact carrier of the type mentioned at the outset such that it is designed for the largest possible conductor cross-sections, for example of up to 10 mm 2 cross-sectional area.
  • a contact carrier is used to receive and fix at least one crimp contact.
  • the contact carrier has a plug-in side for
  • connection on the plug-side with a mating connector and on the opposite side a connection side for the connection-side insertion of a cable.
  • the contact carrier is designed in at least two parts and has an insulating body and a holding plate that can be mounted on the connection side.
  • the insulating body has at least one latching element which, in the non-assembled state, has both a crimp contact latching and can assume a position releasing the crimp contact.
  • Retaining plate has at least one locking element which, in the assembled state, fixes the at least one latching element in its position that latches the crimp contact and thus its transition from the
  • the locking element is designed as at least one locking arm pointing in the direction of the connection side and has a
  • connection side is included and in the following
  • Cable connection side and / or at least inclined or aligned in the direction of the respective cable connection side.
  • Connection side basically stands for cable connection side.
  • contact carrier can also be used for certain crimp contacts already on the market that are designed for electrical conductors with cross-sectional areas of up to 4mm 2 .
  • the contact carrier has the retaining plate and the insulating body.
  • the at least one locking arm is part of the insulating body.
  • the latching arm can have an inner latching flange as a latching molding. This inner locking flange is used to engage positively in the circumferential locking groove of the crimp contact for a particularly stable locking.
  • the retaining plate also has at least one locking element, which in the assembled state, the at least one locking arm in its
  • Crimp contact fixed locking position and so its transition from the locking position prevented in the unlocking position.
  • the locking element can be inserted non-positively and in particular also positively between the latching arm and an inside of a preferably cylindrical through opening of the insulating body.
  • the latching arm is in turn locked in its latching state.
  • the locking element can be a locking sleeve or at least a sleeve segment. This is particularly advantageous because the locking element can be inserted not only in a non-positive, but in particular also in a form-fitting manner between the at least one, preferably hollow cylinder segment-like, latching arm on the one hand and one of the inside of a preferably cylindrical through opening of the insulating body.
  • the insulating body preferably has at least two, in particular at least three, for example at least four, latching arms for latching the inserted crimp contact against movement in the plugging direction.
  • "In the plug-in direction” means both in the direction of the plug-in side and in the direction of the connection side, so it gives the direction in the sense of an axis of movement, but not the orientation of the plugging direction.
  • the retaining plate can, in a preferred embodiment, be latched on the insulating body in two different positions, namely in an equipping position and in one
  • the locking position corresponds to the mounted state in which the locking element is in its the by the locking element
  • the holding plate can also have at least one fastening plate with two locking windows, namely a first locking window and a second locking window.
  • the insulating body can have at least two corresponding locking pins, namely
  • the retaining plate is located in the
  • the holding plate can have a rectangular base plate which has at least one insertion opening for inserting the at least one crimp contact.
  • On two mutually opposite sides of the base plate one of the fastening plates formed at right angles to the base plate and extending in the plugging direction can be arranged. These two fastening plates then point in the same direction as the at least one locking element.
  • the invention is of particular advantage because the at least one crimp contact may latch on the insulating body in this way instead of on the holding plate.
  • the mounted retaining plate only ensures that the at least one locking arm of the insulating body is fixed in its position in which the crimp contact is locked by means of the locking element.
  • the retaining plate itself does not absorb any insertion forces.
  • the contact carrier can absorb the forces occurring in the plugging process particularly effectively, because the retaining plate is naturally in the direction of the connection side - and thus in its
  • both the crimp contacts that are already on the market with crimp cross-sections of up to 4 mm 2 and new crimp contacts that are able to accommodate cable cross-sections of up to 10 mm 2 can be used.
  • the latter is made possible in particular by the fact that the locking element is designed as at least one locking arm pointing in the direction of the connection side. Ultimately, this creates enough space in the connection area of the contact carrier, to accommodate cables with these relatively large cross-sectional areas.
  • the use of a circumferential latching groove of the crimp contact is particularly advantageous because the at least one latching arm can hold the contact on its circumferential latching groove both in the connection-side and in the plug-side direction with high holding force in this orientation.
  • the insulating body can be a
  • the locking arm is formed on the inside of the through opening and is used for locking the
  • Crimp contact in particular with the latching flange formed thereon on the inside, protrudes into the through opening.
  • the insulating body preferably has at least two such latching arms.
  • Design are at least three, in particular at least four locking arms or more on the inside in the respective crimp contact
  • the insulating body thus has at least two, in particular at least three, preferably at least four, so for example two, three, four, five, ..., n latching arms for latching each inserted one
  • the holding plate itself can be latched on the insulating body in two different positions, namely in an equipping position and a locking position.
  • the locking position corresponds to the assembled state in which the crimp contact is finally held stable in the contact carrier.
  • the contact carrier In this assembled state (locking position), the contact carrier can thus absorb particularly high insertion forces.
  • the holding plate can have the two said fastening plates which are attached to each other
  • latching elements in particular the two latching windows, namely the first latching window and the second, can be attached to each fastening plate
  • the insulating body can each have one on the connection side on two mutually opposite outer sides
  • Locking pins arranged offset to one another in the insertion direction, namely a first and a second locking pin.
  • latching means are also conceivable.
  • the fastening plates could have latching formations and latching recesses corresponding therewith on the insulating body
  • the assembly of the contact carrier with the crimp contact can take place in a particularly preferred embodiment as follows:
  • Recesses in the insulating body are initially locked by the respective first locking pin of the insulating body in the second locking window of the respective mounting plate. In this state, the holding plate on the insulating body is in its equipping position.
  • the crimp contact which is a pin or socket contact, for example, can be crimped on the connection side with an electrical stranded conductor of an electrical cable.
  • the crimp contact provided with the cable can then be inserted with its plug-in area first through the insertion opening of the holding plate into the through-opening of the insulating body and locked in its final position in the insulating body by the at least one latching arm.
  • the locking arms engage with their inner flange in the circumferential locking groove of the crimp contact. This means that the crimp contact is both in the direction of the plug-in area and in the direction of the
  • the holding plate is moved from its loading position into its final locking position.
  • the contact carrier is then finally mounted and the crimp contact is fixed in its final position with the desired high holding force in the contact carrier.
  • the locking element is arranged between the locking arms and the inside of the through opening.
  • the locking element prevents outwardly directed movement of the locking arms, that is to say leading to the inside of the through opening.
  • the locking arms are therefore locked against a transition into their unlocking position.
  • the crimp contact cannot push the latching arms apart even under the action of particularly high insertion forces. It is therefore particularly stable in the contact carrier held.
  • the high insertion forces are possibly absorbed by the insulating body on which the locking arms are finally arranged.
  • the holding plate does not experience any unlocking / dismantling forces.
  • the locking element can be a locking sleeve or a plurality of sleeve-shaped segments.
  • An unlocking tool is provided. First of all, the retaining plate can be brought into its assembled state so that the locking arms can be unlocked. Then they can be pressed apart with a hollow cylindrical unlocking section of the unlocking tool. To this end, it is advantageous on the one hand if the locking arms are tapered at their free ends. Furthermore, it is also advantageous if the cylinder wall of the hollow cylindrical unlocking section also tapers to a point towards the free end of the latching arm. Unlocking can then take place by inserting the unlocking tool on the connection side and the crimp contact can be removed from the cable crimped to it
  • Locking element secured but could also be unlocked in the fitted state without an unlocking tool with a certain amount of force, for example by pulling the cable. But this is in The preferred embodiment is not desired because, in accordance with the above-mentioned requirement, the crimp contacts already on the market with crimp connections of up to 4 mm 2 are to be used and their circumferential locking groove ultimately runs rectangular in cross section.
  • 1 a - b show a crimp contact in two different views; 2a-d show an insulating body in different views and in one
  • FIGS. 3a-c show a holding plate from different angles
  • FIG. 3d shows a contact carrier in the fitted state from the outside
  • FIGS. 4a - b in a sectional view each in the fitted state and in the assembled state
  • FIGS. 1 a and 1 b show a crimp contact 1 which is designed as a socket contact. His plug-in area 1 1 is thus formed by a contact socket and is designed to be hollow-cylindrical and segmented by several slots. Its connection area 12 is designed as a crimp connection for connecting an electrical conductor, for example the strand of an electrical cable.
  • the crimp contact 1 has a circumferential one between the connection area 12 and the plug-in area 11
  • This insulating body 2 has two recesses 28 with a rectangular cross section on two opposite outer narrow sides. Each of the two recesses 28 is delimited by two lateral webs 29. In these two recesses 28 are in each other
  • Two locking pins 284, 284 ' namely a first locking pin 284 and a second locking pin 284 ' , are arranged in an offset direction. These each have a slide-on slope which, for reasons of clarity, is not provided with a reference number.
  • the insulating body has a plurality of hollow-cylindrical plug-in sections 21 through which one of the through-openings 20 runs.
  • each through opening 20 two locking arms 232 each pointing in the direction of the connection side A (that is, in the direction on the cable connection side) are arranged opposite one another. As can be seen from FIG. 2a, these locking arms 232 have a basic shape similar to a hollow cylinder segment. On the inside, this basic shape is part of the
  • FIG. 3a to 3c show a holding plate 3 as an individual part from several different perspectives.
  • Fig. 3d shows the holding plate 3 together with the insulating body 2 in their fitting position.
  • the holding plate 3 and the insulating body 2 together form the contact carrier K.
  • the holding plate 3 has a rectangular base plate 32 with several insertion openings 330, which in FIG. 3d from the direction of
  • Connection side A can be seen particularly well.
  • Insertion openings 330 are used to insert the crimp contacts 1 during assembly. Each insertion opening 330 closes one another
  • a fastening plate 38 is at right angles to the base plate 32
  • Fastening plate 38 each have two locking windows 384, namely a first
  • Locking window 384 and a second locking window 384 ' are arranged.
  • the fastening plates 38 are in particular precisely fitted between the lateral webs 29 in the
  • Depressions 28 of the insulating body 2 can be inserted, the
  • Locking window 384, 384 ' can lock onto the locking pin 284, 284 ' .
  • the locking elements 33 are in the respective
  • 3d shows the contact carrier K, which has the insulating body 2 and the holding plate 3 latched thereon in an equipping position, whereby the contact carrier K is in an equipping state.
  • 4a shows the same arrangement in cross section. In this
  • the crimp contact 1 When the contact carrier K is fitted, the crimp contact 1 can be inserted into the contact carrier K from the connection side A.
  • the crimp contact 1 is usually crimped beforehand at its crimp connection 12 with an electrical stranded conductor, not shown in the drawing.
  • Passage opening 20 is introduced and in this position do not yet lock the locking arms 232 against movement into their unlocking position.
  • the crimp contact 1 can be inserted into the contact carrier K from the direction of the connection side A.
  • the first latching window 384 latches on the first latching pin 284 and the second latching window 384 ' on the second latching pin 284 ' .
  • the holding plate 3 assumes a position relative to the insulating body 2 as shown in FIG. 4b.
  • the holding plate 3 is thus in its locking position.
  • the locking arms 232 are now prevented from a disengaging movement by the locking elements 33.
  • the contact carrier K is then together with the inserted crimp contact 1 in its assembled state, in which the crimp contact 1 is fixed in the contact carrier 3 with particularly high holding forces both against a movement in the direction of the connection side A and against a movement in the direction of the plug side S. . 5a and 5b show an unlocking by means of a
  • Unlocking tool 4 The contact carrier K is in its assembled state.
  • the unlocking tool 4 has at its free-standing end a hollow cylindrical unlocking section 41, the diameter of which corresponds to the distance between the opposing locking hooks 232 and the outer wall of which tapers at the end, namely is flattened inward.
  • the locking pegs 232 are advantageously likewise tapered towards their end, namely flattened outwards.
  • the depth of the latching flange 231 does not exceed the width of the outer wall of the unlocking section 41 of the unlocking tool 4. Thus, the crimp contacts 1 are through
  • the insertion opening 330 can be unlocked from the locking arms 232.

Landscapes

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

Abstract

Porte-contract (K) pour la réception et la fixation d'au moins un contact à sertir (1), le porte-contact (K) comprenant un côté enfichable (S) et à l'opposé un côté de raccordement (A) et le porte-contact (K) étant en plus réalisé en au moins deux parties et présentant un corps isolant (2) et une plaque de retenue (3) pouvant y être montée côté raccordement, le corps isolant (2) comprenant un élément d'encliquetage (232) qui peut, à l'état non monté, prendre tant une position d'encliquetage du contact à sertir (1) qu'une position de désencliquetage du contact à sertir (1), la plaque de retenue (3) comprenant un élément de verrouillage (33), lequel fixe à l'état monté l'au moins un élément d'encliquetage (232) dans sa position d'encliquetage du contact à sertir (1) et empêche ainsi sa transition de la position d'encliquetage à la position de désencliquetage, l'élément d'encliquetage (232) étant réalisé sous la forme d'un bras d'encliquetage (232) pointant dans la direction du côté de raccordement (A), lequel comprend un appendice d'encliquetage (231) pour l'encliquetage dans une rainure d'encliquetage (10) du contact à sertir (1).
EP20727139.6A 2019-05-21 2020-05-06 Porte-contact Pending EP3973596A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019113494.3A DE102019113494A1 (de) 2019-05-21 2019-05-21 Kontaktträger
PCT/DE2020/100376 WO2020233740A1 (fr) 2019-05-21 2020-05-06 Porte-contact

Publications (1)

Publication Number Publication Date
EP3973596A1 true EP3973596A1 (fr) 2022-03-30

Family

ID=70779400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20727139.6A Pending EP3973596A1 (fr) 2019-05-21 2020-05-06 Porte-contact

Country Status (6)

Country Link
US (1) US20220239031A1 (fr)
EP (1) EP3973596A1 (fr)
KR (1) KR102629248B1 (fr)
CN (1) CN114144942A (fr)
DE (1) DE102019113494A1 (fr)
WO (1) WO2020233740A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018124197A1 (de) * 2018-10-01 2020-04-02 Harting Electric Gmbh & Co. Kg Kontaktträger mit stabiler Rastvorrichtung
DE102021133646A1 (de) * 2021-12-17 2023-06-22 Hirschmann Automotive Gmbh Steckverbindung mit lösbarem Stift- oder Buchsenkontakt

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
FR2337949A1 (fr) * 1976-01-08 1977-08-05 Alsthom Cgee Fiche de connexion electrique a broches multiples
GB8827756D0 (en) * 1988-11-28 1988-12-29 Amp Great Britain Electrical connector housing assembly
US4900271A (en) * 1989-02-24 1990-02-13 Molex Incorporated Electrical connector for fuel injector and terminals therefor
US5490802A (en) * 1994-02-24 1996-02-13 United Technologies Automotive, Inc. Secondary terminal lock plug through stuffer
US5960540A (en) * 1996-11-08 1999-10-05 The Whitaker Corporation Insulated wire with integral terminals
US5830013A (en) * 1997-03-07 1998-11-03 Yazaki Corporation Electric connector
US6065999A (en) * 1997-09-30 2000-05-23 The Whitaker Corporation Secondary locking shroud for an electrical connector
US6713711B2 (en) * 2001-11-09 2004-03-30 Thermal Dynamics Corporation Plasma arc torch quick disconnect
JP2004063115A (ja) * 2002-07-25 2004-02-26 Sumitomo Wiring Syst Ltd コネクタ
US20040192108A1 (en) * 2003-03-25 2004-09-30 Tyco Electronics Corporation Contact stabilization by means of a primary latch reinforcement component
CN101047303A (zh) * 2006-03-29 2007-10-03 Abb专利有限公司 用于连接彼此平行布置的安装配电设备的连接件
US7351117B1 (en) * 2006-11-06 2008-04-01 Tyco Electronics Corporation Electrical connector assembly having pre-staging and final staging contact configurations
DE102012203459A1 (de) * 2011-11-09 2013-05-16 Lq Mechatronik-Systeme Gmbh Mehrpolige Steckverbindungseinheit für Dreiphasen-Wechselstromsysteme
DE102014103203A1 (de) * 2014-03-11 2015-09-17 Phoenix Contact Gmbh & Co. Kg Steckbare Gerätekombination
DE102014206431A1 (de) * 2014-04-03 2015-10-08 Robert Bosch Gmbh Connector Position Assurance (CPA) und Steckverbinderanordnung mit einer CPA
JP6475669B2 (ja) * 2016-07-13 2019-02-27 矢崎総業株式会社 コネクタ
DE102017111813A1 (de) * 2017-05-30 2018-12-06 Te Connectivity Germany Gmbh Kontaktgehäuse, Kontaktgehäuseaufnahme sowie elektrischer Verbinder
DE102018111734B3 (de) * 2018-05-16 2019-06-06 Harting Electric Gmbh & Co. Kg Hochstromsteckverbinder und Verfahren zu seiner Montage
DE102018124197A1 (de) * 2018-10-01 2020-04-02 Harting Electric Gmbh & Co. Kg Kontaktträger mit stabiler Rastvorrichtung
CN112421283A (zh) * 2019-08-23 2021-02-26 昆山安费诺正日电子有限公司 易于组装的连接器

Also Published As

Publication number Publication date
US20220239031A1 (en) 2022-07-28
KR20220006652A (ko) 2022-01-17
KR102629248B1 (ko) 2024-01-25
WO2020233740A1 (fr) 2020-11-26
DE102019113494A1 (de) 2020-11-26
CN114144942A (zh) 2022-03-04

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