EP2866306B1 - Prise de contact pour un connecteur à fiches électrique - Google Patents

Prise de contact pour un connecteur à fiches électrique Download PDF

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Publication number
EP2866306B1
EP2866306B1 EP13189848.8A EP13189848A EP2866306B1 EP 2866306 B1 EP2866306 B1 EP 2866306B1 EP 13189848 A EP13189848 A EP 13189848A EP 2866306 B1 EP2866306 B1 EP 2866306B1
Authority
EP
European Patent Office
Prior art keywords
male part
connection means
electrical connection
openings
accordance
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
EP13189848.8A
Other languages
German (de)
English (en)
Other versions
EP2866306A1 (fr
Inventor
Rainer Gutenschwager
Karl Wirth
Martina Panahi
Eduard Cvasa
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.)
Aptiv Technologies Ltd
Original Assignee
Aptiv Technologies Ltd
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 Aptiv Technologies Ltd filed Critical Aptiv Technologies Ltd
Priority to EP13189848.8A priority Critical patent/EP2866306B1/fr
Priority to KR1020140141639A priority patent/KR102251656B1/ko
Priority to CN201410564837.9A priority patent/CN104577408B/zh
Priority to US14/520,696 priority patent/US9455516B2/en
Publication of EP2866306A1 publication Critical patent/EP2866306A1/fr
Application granted granted Critical
Publication of EP2866306B1 publication Critical patent/EP2866306B1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H01R13/05—Resilient pins or blades
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • 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
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming

Definitions

  • the invention relates to an electrical connecting means according to the preamble of claim 1.
  • Such a two-piece connecting means is from the EP 0 784 356 A1 known. While the male part inserted into the socket section serves to contact a plug contact inserted into the socket section, the female part is typically designed such that the connecting means can be connected to an electrical line. The electrical path from the line to the plug contact thus leads via the female part and the male part.
  • the male part and the female part are welded together to produce an improved electrical and mechanical connection.
  • the welded connection can be formed at several points, for example by a laser welding process.
  • the connecting means can then be connected to an electrical conductor, for example an electrical line.
  • Ultrasonic-based connection technologies are often used in the assembly of electrical cables. Lanyards that have been improved by means of welded joints, however, are sensitive to vibrations. The welding spots can break open due to the vibrations that arise during ultrasonic welding and continue to the welding spots on the connecting means. The breaking of the welding spots is unpredictable and changes the electrical and mechanical properties of the connection means. This makes it impossible to maintain quality standards when assembling cables.
  • the invention has for its object to provide an electrical connection means of the type mentioned, which is insensitive to vibrations, withstands an increased current flow and at the same time can be produced with less economic effort.
  • a method for producing a connecting means comprising the following steps: Providing a female part having a cavity and protrusions at one end, inserting a male part having openings into the female part, the parts being aligned such that the protrusions protrude into the openings. Deform the projections.
  • the material of the projections can be deformed in such a way that the material thickness, at least on the punched surfaces, essentially corresponds to the material thickness of the male part.
  • the projections can be bent into the openings during alignment.
  • the material of the projections can be deformed in such a way that the projections projecting into the openings are positively connected to the male part in the openings.
  • a connection line comprising an electrical connection means and an electrical conductor is also disclosed.
  • the connecting means 1 shown according to the invention is a two-part design Electrical connection means 1, which comprises a female part 10 and a male part 12.
  • the female part 10 and the male part 12 are each formed as a stamped and bent part and each have an electrically conductive material.
  • the female part 10 comprises a socket section 14 for receiving a plug contact, not shown, and a crimp section 16 with first and second crimping tabs 18, 20 for the electrical and mechanical connection of the connecting means 1 to an electrical line, not shown.
  • the male part 12 is inserted in the socket section 14.
  • the female part 10 has two webs 38 in the socket section 14, which extend from two opposite side walls 26, 30 in the direction of the insertion opening 62. Protrusions 36 extend from these webs 38, perpendicular to the plug-in direction.
  • the male part 12 is located between the webs 38.
  • the male part 12 is inserted into the socket section 14 in such a way that it abuts with a stop surface 48 against the stop surface 24 of the socket section .
  • the projections 36 are bent inwards so that they protrude into the openings 44, the base 40, of the male part 12 and are caulked there. After caulking, the projections 36 are connected to one another in the holding regions 60, where the punching surfaces 22, 46 of the projections 36 and openings 44 lie opposite one another.
  • Figure 2 shows a sectional view of the connecting means 1 along the section axis A.
  • the male part 12 lies with its base 40 between the webs 38 of the female part 10.
  • Two contact spring arms 50, 52 extend from the base 40, counter to the insertion opening 62 Base 40 the contact spring arms 50, 52 run towards one another in the direction of their free ends 54.
  • contact area 56 the contact spring arms 50, 52 are at a minimum distance from each other.
  • the contact spring arms 50, 52 are each provided with a longitudinal gap 58 which extends in the plugging direction and which leads to the fact that a plug contact (not shown) inserted into the socket section 14 makes total contact in four different areas by the contact spring arms 50, 52 and thereby the reliability of the contact is increased.
  • the contact spring arms 50, 52 diverge again in the direction of their free ends 54 in order to facilitate the insertion of a plug contact.
  • the contact spring arms 50, 52 are pressed against the inside of the female part 10 when the plug contact is inserted, which results in additional contact points between the male part 12 and the female part 10.
  • the socket section 14 has a substantially cuboid basic shape with an approximately square cross section in the illustrated embodiment.
  • the socket section 14 comprises four side walls 26, 28, 29, 30, which delimit a receiving space 32 for the plug contact and the male part 12.
  • the base 40 also has an essentially cuboid basic shape with an approximately square cross section, so that it bears against the inner sides of the webs 38 when the male part is inserted into the female part 10.
  • the base 40 comprises four side walls 42 with openings 44 in the walls 42.
  • the projections 36 and the openings 44 have a rectangular shape in this embodiment.
  • the punched surfaces 22 which surround the projections 36 are located with the male part 12 and curved projections 36 opposite the punched surfaces of the openings 44 of the base 40.
  • caulking In mechanical engineering, caulking (press-fit stem) refers to the establishment of a non-positive and positive connection between two individual workpieces through plastic deformation.
  • Figure 5 shows that the socket section 14 has been formed from four wall sections 26, 28, 29, 30 into a box-shaped socket region.
  • the side walls of the sheet metal sections forming the box were formed into a closed outer surface by three 90 ° bends.
  • the outer edge, which closes the box after the bending, is connected to the latter by a press fit, by means of a laterally projecting tab 78 which projects into a window 80 into a side wall 29.
  • a latching projection 70 is formed from the upper side wall 26 by cutting out a strip from the side wall 26, an area remaining connected to the upper side wall 26. As a result, the locking projection 70 can be moved against the upper side wall 26.
  • a first nose 74 and a second nose 75 are formed on one side of the latching projection 70, each of which has a first side wall opening 76 and protrude a second side wall opening 77.
  • the side wall openings 76, 77 are dimensioned such that the lugs 74, 75 are at a short distance from the edges of the side wall openings 76, 77. This allows the lugs 74, 75 to move within the side wall openings 76, 77.
  • the range of movement of the locking projection 70 is thus determined by the sizes of the lugs 74, 75 and the side wall openings.
  • the locking projection 70 is bent outwards at the end with which it is not fastened to the upper side wall, insofar as the side wall openings 76, 77 allow it.
  • the latching projection 70 can move inwards and when the connecting element has reached the end position in the housing, it can move outwards again and hold the connecting element 1 in the housing chamber (not shown).
  • the pull-out force required for unintentional pulling out increases in comparison to a conventional latching device, since the lugs 74, 75 of the latching projection 70 are held in the side wall openings 76, 77 and prevent the latching projection 70 from being bent over.
  • the female part has a retaining catch 33 in a web 38 which interacts with a mounting opening 34 in the base 40 in order to prevent the male part from inadvertently slipping in the female part, as long as the projections 36, during manufacture, are not bent into the openings 44.
  • the retaining catch 33 projects into the mounting opening 34 and thus prevents the male part 12 from accidentally slipping.
  • Figure 4 shows that the male part 12 inside the base 40 has a curved shape 49 in a side wall, which serves as an insertion aid for a plug contact (not shown). If the plug contact is not centered in the insertion opening 62, it bumps against the expression 49 and is guided into a more favorable insertion position by the curved shape.
  • the base of the male part is not itself intended for contacting a plug contact inserted into the socket section. It can therefore be designed regardless of the design of the contact spring arms for a stable connection to the socket section.
  • the two parts When caulking, the two parts are connected to each other in areas on their punching surfaces. This results in a relatively large contact area between the parts.
  • larger currents can flow over the connection without the connection means heating up significantly in the area of the connection. Consequently, the maximum current that can flow through the connecting means according to the invention is significantly higher than with a connecting means in which the insert part and the receiving part are welded to one another.
  • connection is easier to establish than a welded connection.
  • a welding device for example a laser welding device.
  • the caulking connection can e.g. be produced by a punch bending device, which is also used to produce the male part or the female part.
  • the reduced investment costs contribute to the fact that the connecting means according to the invention can be manufactured overall with less economic effort.
  • the female part and the male part can be designed as a stamped and bent part, resulting in a contributes to cost-effective production.
  • the male part and the female part are only connected on punching surfaces, which means that no further holding devices or contacting devices have to be provided.
  • a connecting means can be provided which is free of parts projecting into the receiving space, which reduces the overall cross section of the connecting means.
  • the female part and the male part are made of different metals or alloys, because the requirements for the male part are to safely and permanently contact a complementary contact part which is inserted into the connecting means, whereas the female part has the task to hold the male part and to provide the contact with a conductor (electrical line) and to fix the connecting means in a housing.
  • Preferred materials for the male part are, for example, copper-nickel-silicon alloys because they have particularly good spring properties.
  • the female part can be manufactured inexpensively from a sheet of bronze, with good electrical conductivity between the male part and the connecting line being ensured.
  • the female part and the male part can preferably have different wall thicknesses.
  • the female part can have a slightly larger wall thickness than the male part. This has the effect that the wall thicknesses on the punched edges of both parts are roughly the same after caulking. This is advantageous because the entire contact area between the parts can then be used for holding and electrical contact. In addition, there are no corners where dirt can collect that leads to corrosion.
  • a promising combination consists of a male part with a material thickness of 0.15 mm and a material thickness of 0.20 mm for the female part. It would of course also be conceivable to have the same wall thicknesses to be used and to design the caulking process in such a way that the wall thickness is retained on the punched surfaces, but the material becomes thinner in other places. However, this process may be more difficult to control in production.
  • the electrical contacting of the socket section and the male part takes place mainly via the punched surfaces of both parts, because a large-area contact surface is achieved which has a low electrical resistance and is largely corrosion-resistant since moisture does not get into the separating surface. Further secondary current paths are formed when areas of the male part are pressed against the female part after a plug contact has been inserted into the connecting means. The additional connection points between the male part and the female part further reduce the overall resistance of the connecting means.
  • the male base preferably forms the insertion opening of the socket section, so the area which represents the insertion opening for the complementary plug contact can be adapted to the plug contact in order to optimally guide it into the male part when plugged in.
  • the female part and the projections are formed in one piece from a sheet metal.
  • the female part is punched out of sheet metal and folded into shape. This enables cost-effective production.
  • the male part can also be punched out of sheet metal and shaped. The openings of the male part are punched into the male part.
  • the projections preferably protrude from one or more side walls of the bushing section so that they can be fitted into the openings of the male part.
  • the arrangement of the projections can be realized in a wide variety of ways. The prerequisite, however, is that a projection must be arranged so that it protrudes into an opening in the wall of the male part and can be fixed and electrically contacted by caulking in the opening.
  • the projections can protrude from a side wall of the socket section in the plug-in direction or perpendicular to the plug-in direction.
  • the projections can protrude from the female part at different angles.
  • the bushing section can have side walls which are elongated to form webs and are suitable for mechanically supporting the male part. These webs extend from the side walls.
  • the projections in turn extend from the webs.
  • the projections do not protrude into the openings, but are bent into the openings before caulking. This structure increases the mechanical stability of the connecting means.
  • the bushing section preferably has a rectangular or square cross section so that it can be held in a housing in a manner that prevents it from rotating.
  • a socket section with a circular or oval cross section and to design the male part accordingly.

Landscapes

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

Claims (8)

  1. Moyen de connexion électrique (1) comprenant une partie femelle (10) présentant une section douille (14), dans laquelle est reçue une partie mâle (12) qui présente des ouvertures (44) dans la zone d'une base (40), la section douille (14) présentant des saillies (36) qui font saillie dans les ouvertures (44) et qui sont reliées par complémentarité de forme à la partie mâle (12) dans les ouvertures (44),
    caractérisé en ce
    qu'une saillie d'encliquetage élastique (70) est formée à partir d'une partie d'une paroi (26) de la section douille (14), laquelle saillie d'encliquetage (70) fait saillie vers l'extérieur, un ergot (74, 75) étant formé sur un côté de la saillie d'encliquetage (70), lequel fait saillie dans une ouverture de paroi (76, 77) de la section douille (14), l'ouverture de paroi (76, 77) étant plus grande que l'ergot (74, 75), de sorte que la saillie d'encliquetage (70) peut être déplacée.
  2. Moyen de connexion électrique (1) selon la revendication 1, dans lequel la partie mâle (12) comprend au moins un bras de ressort de contact élastique (50, 52) à une extrémité, lequel est adapté à venir s'appuyer sur la surface intérieure de la partie femelle (10).
  3. Moyen de connexion électrique (1) selon la revendication 1, dans lequel la partie mâle (12) est réalisée en forme de manchon.
  4. Moyen de connexion électrique (1) selon l'une des revendications précédentes, dans lequel la partie femelle (10) présente à l'intérieur un cran de retenue (33) qui coopère avec une ouverture de montage (34) dans la partie mâle (12).
  5. Moyen de connexion électrique (1) selon l'une des revendications précédentes, dans lequel la partie mâle (12) présente au moins un bossage (49) sur sa face intérieure.
  6. Moyen de connexion électrique (1) selon l'une des revendications précédentes, dans lequel la partie femelle (10) et la partie mâle (12) sont constituées de métaux ou d'alliages différents.
  7. Moyen de connexion électrique (1) selon l'une des revendications précédentes, dans lequel la partie femelle (10) et la partie mâle (12) présentent des épaisseurs de paroi différentes.
  8. Câble de connexion comprenant un moyen de connexion électrique (1) selon la revendication 1 et un conducteur électrique.
EP13189848.8A 2013-10-23 2013-10-23 Prise de contact pour un connecteur à fiches électrique Active EP2866306B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13189848.8A EP2866306B1 (fr) 2013-10-23 2013-10-23 Prise de contact pour un connecteur à fiches électrique
KR1020140141639A KR102251656B1 (ko) 2013-10-23 2014-10-20 전기 플러그 연결을 위한 접촉부 소켓
CN201410564837.9A CN104577408B (zh) 2013-10-23 2014-10-22 用于电插头连接的接触插座
US14/520,696 US9455516B2 (en) 2013-10-23 2014-10-22 Contact socket for an electrical plug connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13189848.8A EP2866306B1 (fr) 2013-10-23 2013-10-23 Prise de contact pour un connecteur à fiches électrique

Publications (2)

Publication Number Publication Date
EP2866306A1 EP2866306A1 (fr) 2015-04-29
EP2866306B1 true EP2866306B1 (fr) 2020-07-29

Family

ID=49447480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13189848.8A Active EP2866306B1 (fr) 2013-10-23 2013-10-23 Prise de contact pour un connecteur à fiches électrique

Country Status (4)

Country Link
US (1) US9455516B2 (fr)
EP (1) EP2866306B1 (fr)
KR (1) KR102251656B1 (fr)
CN (1) CN104577408B (fr)

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CN112930624B (zh) * 2018-06-07 2023-10-03 皇家精密制品有限责任公司 具有内部弹簧部件的电连接器系统
CN110212388B (zh) * 2019-07-30 2019-10-25 天立电机（宁波）有限公司 端子装配机
JP2022547535A (ja) 2019-09-09 2022-11-14 ロイヤル プリシジョン プロダクツ エルエルシー 読み取り可能かつ記録可能な印を有するコネクタ記録システム
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US20150111443A1 (en) 2015-04-23
CN104577408A (zh) 2015-04-29
KR20150047102A (ko) 2015-05-04
US9455516B2 (en) 2016-09-27
EP2866306A1 (fr) 2015-04-29
KR102251656B1 (ko) 2021-05-13
CN104577408B (zh) 2017-10-24

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