EP1763111B1 - Contact à douille avec au moins deux points de contact dans la direction de connexion - Google Patents

Contact à douille avec au moins deux points de contact dans la direction de connexion Download PDF

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Publication number
EP1763111B1
EP1763111B1 EP06118469A EP06118469A EP1763111B1 EP 1763111 B1 EP1763111 B1 EP 1763111B1 EP 06118469 A EP06118469 A EP 06118469A EP 06118469 A EP06118469 A EP 06118469A EP 1763111 B1 EP1763111 B1 EP 1763111B1
Authority
EP
European Patent Office
Prior art keywords
contact
socket
plug
points
lamination
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.)
Not-in-force
Application number
EP06118469A
Other languages
German (de)
English (en)
Other versions
EP1763111A2 (fr
EP1763111A3 (fr
Inventor
Rolf Wittmann
Eckhardt Philipp
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1763111A2 publication Critical patent/EP1763111A2/fr
Publication of EP1763111A3 publication Critical patent/EP1763111A3/fr
Application granted granted Critical
Publication of EP1763111B1 publication Critical patent/EP1763111B1/fr
Not-in-force 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the invention relates to a socket contact for producing an electrical plug connection, consisting essentially of a connection part for receiving an electrical conductor and a contact part for contacting an insertable plug contact in a contacting region, wherein arranged in the contact area spring leg at least one contact blade with at least one on the contact blade Contact point is provided and this contact point establishes an electrical connection with the plug contact.
  • Such connectors consist of a plurality of socket contacts, which are arranged in connector housings, wherein knife-like or pin-like configurations of plug contacts, also arranged in housings, penetrate into the socket contact and make contact with contact blades or with their contact points for the production of an electrical plug connection.
  • the so-called contact normal force the contact blade pressed on the surface of the plug contact such that possible foreign layers are securely pushed through the metallic surfaces and a secure electrical contact is made.
  • a functional design of such a connector is characterized inter alia by the fact that the number, shape and position of the contact points and the acting contact normal forces are matched to the electrical and tribological requirements. Due to the large number of tolerances and fits that come into effect when contacting contacts and mating contacts in real applications, however, it must be assumed that the real contact conditions are multiply statically over-determined, which may result in individual contact points being increased, while other contact points being insufficient can experience low contact normal forces. For connectors where high current carrying capacity is required, such a "loss" of one or more contact points may not be fully compensated by other contact points. The consequence of this is that due to resistance losses it comes to increased thermal wear.
  • socket contact systems are known in which the contact points are arranged opposite and include the plug contact between them to compensate for the effect of said manufacturing tolerances.
  • plug contacts mechanically decoupled contact blades are arranged next to it.
  • a socket contact known, which comprises a connection part and a contact part with spring leg base and outgoing therefrom spring leg.
  • a plurality of spring legs in the formation of contact blades extending from the transition of the connecting part to the contact part in the opening portion of the socket contact perpendicular to the plugging direction of the plug contact, ie side by side to arrange ,
  • each contact blade carries a point of contact.
  • this contact point is mechanically decoupled from the other contact blades.
  • the function is essentially limited by the width of the plug contact, since at too small a distance between the Contact lamellae these would interfere with each other under certain circumstances and the width of the contact blades should not be less than a certain minimum, even in view of the necessary current carrying cross-sections and mechanical loads.
  • An electrical connector which serves to establish a secure electrical connection of a contact pin in a contacting region of a contact socket.
  • this electrical connector forms a sleeve body, which is fastened with fastening means for connecting lines, a female contact for the slidable receiving a contact pin.
  • a collapsible cage pin which can be pressed against the pin contact is accommodated in an axially fixed manner, the laminated cage being formed by a cylindrical rolled flat sheet metal blank for safe and effective contacting, whose longitudinal edge strips are connected to one another by a number of spaced apart webs.
  • oppositely trimmed contact tabs are provided on the longitudinal edge strips, which are bent over a first portion in the direction of the central longitudinal axis of the lamellar cage and bent back at the second portion formed by the free ends and shorter than half the length of the lamellar cage are formed.
  • the lamellar cage represents a tubular Einschubtell, on the circumference of the contact blades are cut free and inflected towards the inside.
  • the lamellar cage is a production-technically complex additional part, which must be mounted very precisely in the smallest space in the electrical connector.
  • the object of the invention is to develop a female contact of the above type such that it is possible to significantly increase the number of independent contacting contact points and current-conducting contact blades in a limited space of a width of a connector.
  • the core idea of the solution of the problem is to arrange at least two contact points in the direction of insertion of the plug contact in the socket contact one behind the other.
  • the design of the contact blades is designed such that the contact points are arranged on different contact blades, so that at least two or even more contact blades protrude into the contacting region of the socket contact.
  • the contact blades themselves extend from the transition of the connection part to the contact part in the contacting region of the socket contact and thus provide several contact points in the contacting region. Thus, there is a redundancy with respect to the contacting of the plug-in contact to be inserted.
  • One of the significant advantages of the invention is that in this way the number of contact points and conductors compared to the previous solutions are at least doubled.
  • the corresponding contact blades are arranged in pairs opposite, so that the corresponding contact normal forces can act on both sides of the inserted plug contact.
  • the free end of the first or front contact blade which is contacted in the insertion of the plug contact into the socket contact, is formed such that the free end is bent inwardly into the contacting region.
  • the free ends of the second pair of contact lamellae are positioned in the groove thus formed. This ensures that they are protected against back insertion through the plug contact.
  • the space in the groove of the front contact lamellae pair must be sufficiently formed so that the inner second pair of contact lamellae is not hindered when the contact partner is inserted in its free travel and it is independent from the first contact blade pair can develop its contact normal forces on the plug contact.
  • the front contact lamellae pair extends from the transition of the connection part to the contact part up to the opening area of the socket contact and is guided from there back into the contact area, an additional insertion aid for the plug contact is created in the opening area of the socket contact by the bending thus brought about. In addition, this also avoids that the front contact lamellae is backed by the plug contact.
  • the socket contact is made of a one-piece stamped and bent part.
  • the socket contact and the contact points are gold plated accordingly, so as to achieve a better power conductibility.
  • the contact blades are indeed arranged one behind the other, but not on the same plane. This has the advantage that contacted even with thinner plug contacts at least one contact point with the inserted into the socket contact plug contact.
  • the guidance and alignment of the contact point on the plug contact can be strengthened, which leads to a positive effect in terms of the chipping resistance of the contact system, consisting of socket contact and plug contact.
  • Socket contact 1 shown for producing an electrical plug connection consists essentially of a connection part 2 for receiving an electrical conductor 3 and a contact part 4.
  • the socket contact 1 has an opening portion 10 for receiving a in FIG. 1 not shown plug contact.
  • the contact part 4 serves for contacting the plug contact.
  • Contact lances 5, 6, 7, 8 extend in a spring-like manner from one end 9 of the connecting part 2 in a contacting region K formed in the socket contact 1. The one end 9 forms the transition from the connecting part 2 to the contact part 4.
  • the contact blades 5, 6, 7, 8 each have an end, wherein at the ends of contact points 5k, 6k, 7k and 8k are arranged.
  • the contact blades 5, 6, 7, 8 arranged in pairs and each opposite.
  • a first pair of contact blades 5, 6 extends into the opening portion 10 of the socket contact 1, wherein the respective free end of the contact blades 5a, 6a has a directed into the contact area K bend 11, so that the actual free ends within the contacting region C end.
  • the first pair of contact blades 5, 6 extends from the junction of the connector 2 to the contact part 4 to the end of the socket contact 1 and from there back into the contacting region K.
  • the contact points 5k, 6k on the contact blades 5, 6 are configured that this one with in the Figures 1 and 2 contact plug contact not shown.
  • the contact points 5k, 6k are arranged so as to face each other.
  • the further contact lamellae pair 7, 8 extends from the transition of the connection part 2 to the contact part 4 in the contact area K and also has a free end 7a, 8a, wherein the free ends have no inwardly aligned in the contact area K bending.
  • the free ends 7a, 8a are aligned in such a way that they are formed inside the groove 12 (FIG. 2) formed by the bend 11 of the first contact lamellae pairs 5, 6. FIG. 2 ) end up. This will ensure that the two pairs of contact blades 5, 6, 7, 8 are movable independently of each other.
  • the second contact blade pair 7, 8 also has contact points 7k, 8k, which come into contact with a plug contact, not shown.
  • the socket contact 1 according to the invention is shown in a plugged state with a plug contact S.
  • the plug contact S contacted with its surface 14 directly the contact points 5k, 6k, 7k, 8k of each of the free end 9 extending contact blades 5, 6, 7, 8. Due to the spring leg-like arrangement of the contact blades 5, 6, 7, 8 contact the contact points 5k, 6k, 7k, 8k each with a contact normal force F K the surface 14 of the plug contact S ( FIG. 3 ).
  • the plug contact S is therefore contacted at four points.
  • FIG. 5A-D the individual process steps are shown how a socket contact 1 from a non-inserted state (representation A) in a mated state (representation D) can be performed.
  • the plug contact S is guided in the direction of arrow 15 in the socket contact 1 (illustration A).
  • the tip 16 (illustration B and C) of the plug-in contact S presses the first pair of contact lamellae 5, 6 spring-apart, wherein the contact points 5k, 6k slide on the surface 14 of the plug contact S.
  • the plug contact S is further guided in the direction of arrow 15 until the plug contact S (representation D) and the second contact blade pair 7, 8 reached.
  • the respective contact points 7k, 8k of the contact blade pair 7, 8 are also spread apart like a spring, with the contact points 7k, 8k sliding on the surface 14 of the plug contact S.
  • the plug contact S is so far led into the socket contact 1 until a not shown in the drawing stop is reached. To bring about an electrical connector, however, it is sufficient as soon as a first pair of contact blades (regardless of which) makes contact.
  • the output is a sheet metal bending part 17 in the embodiment, as shown in illustration A in two views.
  • the division into connection part 2 and contact part 4 is already recognizable.
  • the contact blades 5, 6, 7, 8 are pre-punched and are brought by further bending processes in the desired shape.
  • FIG. B to G wherein in representation C a further view is shown, the inventive socket contact 1 is produced.
  • the respective ends are connected by means of one or more laser welding points L, so that a box-shaped formation results.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (9)

  1. Douille de contact destinée à établir une liaison électrique par enfichage et constituée essentiellement de :
    - une partie de raccordement qui reprend un conducteur électrique et
    - une partie de contact qui assure le contact avec une fiche de contact apte à être insérée dans une zone de contact,
    au moins une lamelle de contact de type en lame élastique sur laquelle est disposé au moins un point de contact étant prévu dans la zone de contact, ce point de contact établissant une liaison électrique avec la fiche de contact,
    au moins deux points de contact (5k, 6k, 7k, 8k) étant prévus dans la zone de contact (K), les points de contact (5k, 6k, 7k, 8k) étant disposés les uns derrière les autres dans la direction de l'insertion de la fiche de contact (S) et pouvant être déplacés indépendamment les uns des autres à l'intérieur de la zone de contact (K),
    les points de contact (5k, 6k, 7k, 8k) étant disposés sur différentes lamelles de contact (5, 6, 7, 8),
    caractérisée en ce que
    toutes les lamelles de contact (5, 6, 7, 8) de la transition entre la partie de raccordement (2) et la partie de contact (4) s'étendent dans la zone de contact (K) de la douille de contact (1).
  2. Douille de contact selon la revendication 1, caractérisée en ce que les lamelles de contact (5, 6, 7, 8) sont disposées par paires les unes en face des autres.
  3. Douille de contact selon au moins l'une des revendications précédentes, caractérisée en ce qu'au moins une lamelle de contact (5, 6) s'étend depuis la transition entre la partie de raccordement (2) et la partie de contact (4) jusqu'à l'extrémité de la douille de contact (1) et de là revient dans la zone de contact (K).
  4. Douille de contact selon la revendication 3, caractérisée en ce qu'un point de contact (5k, 6k) est disposé au niveau de l'extrémité libre (5a, 6a) de la lamelle de contact (5, 6) rabattue dans la zone de contact (K).
  5. Douille de contact selon la revendication 3, caractérisée en ce que l'extrémité libre (7a, 8a) d'une autre lamelle de contact (7, 8) est disposée à l'intérieur de la zone formée par la première lamelle de contact (5, 6) ramenée dans la zone de contact (K).
  6. Douille de contact selon la revendication 5, caractérisée en ce que l'extrémité libre (7a, 8a) de l'autre lamelle de contact (7, 8) est disposée à l'intérieur d'un biseau (12) formé par la première lamelle de contact (5, 6) ramenée dans la zone de contact (K).
  7. Douille de contact selon au moins l'une des revendications précédentes, caractérisée en ce que la douille de contact (1) constitue un élément d'une seule pièce qui peut être réalisé à partir d'une pièce estampée et/ou pliée.
  8. Douille de contact selon au moins l'une des revendications précédentes, caractérisée en ce que les points de contact (5k, 6k, 7k, 8k) de deux ou plus de deux lamelles de contact (5, 6, 7, 8) disposées les unes derrière les autres sont disposés dans un même plan.
  9. Douille de contact selon au moins l'une des revendications 1 à 7 qui précèdent, caractérisée en ce que les points de contact (5k, 6k, 7k, 8k) de deux ou plus de deux lamelles de contact (5, 6, 7, 8) disposées les unes derrière les autres sont disposés dans des plans différents.
EP06118469A 2005-09-12 2006-08-04 Contact à douille avec au moins deux points de contact dans la direction de connexion Not-in-force EP1763111B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005043156A DE102005043156A1 (de) 2005-09-12 2005-09-12 Buchsenkontakt mit mindestens zwei in Steckrichtung angeordneten Kontaktpunkten

Publications (3)

Publication Number Publication Date
EP1763111A2 EP1763111A2 (fr) 2007-03-14
EP1763111A3 EP1763111A3 (fr) 2011-05-11
EP1763111B1 true EP1763111B1 (fr) 2012-10-10

Family

ID=37526938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06118469A Not-in-force EP1763111B1 (fr) 2005-09-12 2006-08-04 Contact à douille avec au moins deux points de contact dans la direction de connexion

Country Status (2)

Country Link
EP (1) EP1763111B1 (fr)
DE (1) DE102005043156A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143716B (zh) * 2013-05-10 2017-06-13 町洋机电(中国)有限公司 多点接触低阻抗插拔式电连接器
CN114243399A (zh) * 2017-12-29 2022-03-25 华为技术有限公司 一种电源连接器和电源连接组件
CN109216976A (zh) * 2018-09-13 2019-01-15 町洋机电(中国)有限公司 栅板式可分接电连接器
CN109326909A (zh) * 2018-11-20 2019-02-12 安费诺商用电子产品(成都)有限公司 一种高密度大功率卡类连接端子以及连接器
DE102019219495B4 (de) * 2019-12-12 2021-08-12 Robert Bosch Gmbh Kontaktelement und Kontaktanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559964B1 (fr) * 1984-02-17 1986-05-23 Labinal Organe de connexion electrique
DE4242972A1 (de) * 1992-12-18 1994-06-23 Framatome Connectors Int Elektrischer Steckverbinder
DE19536500C2 (de) 1995-09-29 1997-07-24 Siemens Ag Buchsenkontakt mit Grund- und Überfeder

Also Published As

Publication number Publication date
EP1763111A2 (fr) 2007-03-14
EP1763111A3 (fr) 2011-05-11
DE102005043156A1 (de) 2007-03-15

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