EP0674813B1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
EP0674813B1
EP0674813B1 EP94902723A EP94902723A EP0674813B1 EP 0674813 B1 EP0674813 B1 EP 0674813B1 EP 94902723 A EP94902723 A EP 94902723A EP 94902723 A EP94902723 A EP 94902723A EP 0674813 B1 EP0674813 B1 EP 0674813B1
Authority
EP
European Patent Office
Prior art keywords
contact
segmented cage
sleeve body
connector
ribs
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.)
Expired - Lifetime
Application number
EP94902723A
Other languages
German (de)
French (fr)
Other versions
EP0674813A1 (en
Inventor
Gustav Hopf
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.)
FCI SA
Original Assignee
Framatome Connectors International SAS
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 Framatome Connectors International SAS filed Critical Framatome Connectors International SAS
Publication of EP0674813A1 publication Critical patent/EP0674813A1/en
Application granted granted Critical
Publication of EP0674813B1 publication Critical patent/EP0674813B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/15—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
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section

Definitions

  • the invention relates to an electrical connector of the kind referred to in the preamble portion of patent claim 1.
  • Such an electrical connector is known from EP-0 476 848 A1.
  • Sleeve-shaped socket contacts for the plugable reception of contact pins are known in particular for circular connectors (for example DE application P 35 31 845.7).
  • the socket contacts are provided with a segmented cage, which makes contact with the contact pin so as to be frictionally engaged.
  • the front outer strips of the segmented cage exhibit ribs that are bent inwardly. Apart from the fact that a relatively significant work of deformation must be exerted on the ribs of the segmented cage during plugging operations, the ribs also afford only small contact areas, resulting in unreliable contacts.
  • EP-0 476 848 A1 discloses an electrical connector, formed by means of a sleeve body with attachment means for the connecting leads, for the displaceable reception of a contact pin, where a segmented cage, which can rest pressingly against the pin contact, is housed in the sleeve body so as to be fixed axially in position, the segmented cage being formed by means of a cylindrically rolled flat sheet metal blank, with longitudinal outer strips connected together by means of a number of ribs, which extend side by side separated from each other.
  • the object of the invention is to make the contacting of an electrical connector of the aforementioned class more reliable and more effective.
  • the design of the connector provides that the ribs of the segmented cage exhibit one depression each and that the depressions form guide and support elements of the contact pin. Thus, a central insertion of the contact pin into the socket contact is guaranteed, whereby the contact tabs make contact simultaneously with the contact pin with essentially identical deflections. Furthermore, it is provided that depressions are formed, for example, in the ribs of the segmented cage, which are employed as stops to fix axially the same in position in the sleeve body. It is obvious that the segmented cage can be axially fixed in position in the sleeve body in a different manner, e.g., by attaching extensions, shoulders or the like to the sleeve body.
  • measures for axial fixation of the sleeve body in the connector housing are provided by the fact that the sleeve body reaches, e.g., with a bend-out into a recess of the connector housing.
  • the recess can be formed by means of an annular groove.
  • other guide measures for the contact pin during the contact period or plugging operation can be achieved, if a segment of the sleeve body projects at the plug-in end beyond the segmented cage, whereby the segment is bent down toward the plug-in direction and relative to the central longitudinal axis of the segmented cage and serves as an additional supporting or aligning element for the contact pin.
  • the contact pin can be pre-aligned during the plugging operation; and when the contact pin is subsequently actively connected to the depressions, the conditions for a reliable alignment and guide of the contact pin in the segmented cage of the socket contact are created.
  • the known segmented cage 1 shown in Figures 1 and 2 exhibits front outer strips 2 and 3, which are connected together by means of ribs 4.
  • the ribs 4 are curved in the direction of the central longitudinal axis of the segmented cage 1 in order to achieve a prestress and thus to enable them to rest pressingly against the contact pin when a contact pin (not illustrated) is inserted. If the contact pin is tilted or inaccurately plugged in or when the diameter sizes differ, the ribs 4 afford, however, only inadequate or unreliable contact.
  • Figure 3 depicts a connector, whose plug housing 5 exhibits a bore 6, which serves to receive a sleeve body 7.
  • the illustrated sleeve body 7 is provided with crimp extensions (not illustrated) to fix in position the electrical leads or their insulation.
  • the sleeve body 7 is fixed in position in the plug housing 5, e.g. by means of a bend-out 18 and can be made of any arbitrary material, e.g. also a ferrous material, an alloyed material or the like and can thus be fabricated relatively economically.
  • the blank is provided with two longitudinal outer strips 10, which are connected together by means of a number of ribs 11.
  • Contact tabs 13, which are opposite one another at the longitudinal outer strips (10) and which extend in the flat blank approximately as far as half the width of the segmented cage 8, are chamfered in the regions of the free spaces 12 between the ribs 11.
  • the ribs 11 exhibit depressions 14.
  • the flat blanks of Figures 5 to 8 can be bent apart in the shape of a cylinder ( Figures 2 and 3), whereby now the contact tabs 13 extend approximately as far as half the length of the segmented cage.
  • a first segment 13' of the contact tabs 13 is bent inwardly and a second segment 13", formed by the free ends, is bent back outwardly.
  • the contact tabs 13 come to rest pressingly against a contact pin 15.
  • the contact tabs 13 enable the contact pin to be plugged in without any hindrance.
  • the depressions 14 serve as supporting and guide elements for the contact pin 15, thus guaranteeing that the contact tabs 13 rest uniformly against the contact pin 15 and thus guaranteeing a reliable contact.
  • the end of the sleeve body 7 that has approached the insertion opening 16 is pulled forward with a subsegment 7' over the segmented cage 8; and this subsegment 7' is bent so as to slope inwardly in the direction of the central longitudinal axis 17.
  • the free outer edge 7" of the subsegment 7' acts as an additional guide body, in particular at the start of the plugging operation for the contact pin 15.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

For an electrical connector with a socket contact, formed by means of a sleeve body with attachment means for the connecting leads, for the displaceable reception of a contact pin, where a segmented cage, which can rest pressingly against the pin contact, is housed in the sleeve body so as to be fixed axially in position, the segmented cage (8) is formed by means of a cylindrically rolled flat sheet metal blank (9), whose longitudinal outer strips (10) are connected together by means of a number of ribs (11), which extend side by side separated from each other, the chamfered contact tabs (13), which are opposite one another at the longitudinal outer strips (10), project into the free spaces (12) between the ribs (11), whereby a first segment (13') of said contact tab curves in the direction of the central longitudinal axis of the segmented cage (8) and whereby a second segment (13'), formed by means of the free ends, is bent back and is shorter than half the length of the segmented cage (8), in order to ensure a reliable and effective contact.

Description

  • The invention relates to an electrical connector of the kind referred to in the preamble portion of patent claim 1. Such an electrical connector is known from EP-0 476 848 A1.
  • Sleeve-shaped socket contacts for the plugable reception of contact pins are known in particular for circular connectors (for example DE application P 35 31 845.7). To improve the contact between socket contact and contact pin, the socket contacts are provided with a segmented cage, which makes contact with the contact pin so as to be frictionally engaged. The front outer strips of the segmented cage exhibit ribs that are bent inwardly. Apart from the fact that a relatively significant work of deformation must be exerted on the ribs of the segmented cage during plugging operations, the ribs also afford only small contact areas, resulting in unreliable contacts.
  • EP-0 476 848 A1 discloses an electrical connector, formed by means of a sleeve body with attachment means for the connecting leads, for the displaceable reception of a contact pin, where a segmented cage, which can rest pressingly against the pin contact, is housed in the sleeve body so as to be fixed axially in position, the segmented cage being formed by means of a cylindrically rolled flat sheet metal blank, with longitudinal outer strips connected together by means of a number of ribs, which extend side by side separated from each other.
  • The object of the invention is to make the contacting of an electrical connector of the aforementioned class more reliable and more effective.
  • The invention solves this problem with a connection as claimed in claim 1. Dependent claims are directed on features of preferred embodiments.
  • The design of the connector provides that the ribs of the segmented cage exhibit one depression each and that the depressions form guide and support elements of the contact pin. Thus, a central insertion of the contact pin into the socket contact is guaranteed, whereby the contact tabs make contact simultaneously with the contact pin with essentially identical deflections. Furthermore, it is provided that depressions are formed, for example, in the ribs of the segmented cage, which are employed as stops to fix axially the same in position in the sleeve body. It is obvious that the segmented cage can be axially fixed in position in the sleeve body in a different manner, e.g., by attaching extensions, shoulders or the like to the sleeve body.
  • Furthermore, measures for axial fixation of the sleeve body in the connector housing are provided by the fact that the sleeve body reaches, e.g., with a bend-out into a recess of the connector housing. Preferably the recess can be formed by means of an annular groove. Finally, other guide measures for the contact pin during the contact period or plugging operation can be achieved, if a segment of the sleeve body projects at the plug-in end beyond the segmented cage, whereby the segment is bent down toward the plug-in direction and relative to the central longitudinal axis of the segmented cage and serves as an additional supporting or aligning element for the contact pin. Thus, with the bend the contact pin can be pre-aligned during the plugging operation; and when the contact pin is subsequently actively connected to the depressions, the conditions for a reliable alignment and guide of the contact pin in the segmented cage of the socket contact are created.
  • The invention is explained with reference to an embodiment in the drawings.
    • Figure 1 is a side view of a known segmented cage.
    • Figure 2 is a sectional view of a segmented cage of Figure 1.
    • Figure 3 is a sectional view of a connector according to one embodiment.
    • Figure 4 is a sectional view of another connector.
    • Figures 5, 6 and 7 depict roll downed segmented cages of different diameter sizes; and
    • Figure 8 is a sectional view along the line VIII-VIII of Figure 5.
  • The known segmented cage 1 shown in Figures 1 and 2 exhibits front outer strips 2 and 3, which are connected together by means of ribs 4. The ribs 4 are curved in the direction of the central longitudinal axis of the segmented cage 1 in order to achieve a prestress and thus to enable them to rest pressingly against the contact pin when a contact pin (not illustrated) is inserted. If the contact pin is tilted or inaccurately plugged in or when the diameter sizes differ, the ribs 4 afford, however, only inadequate or unreliable contact.
  • Figure 3 depicts a connector, whose plug housing 5 exhibits a bore 6, which serves to receive a sleeve body 7. The illustrated sleeve body 7 is provided with crimp extensions (not illustrated) to fix in position the electrical leads or their insulation. The sleeve body 7 is fixed in position in the plug housing 5, e.g. by means of a bend-out 18 and can be made of any arbitrary material, e.g. also a ferrous material, an alloyed material or the like and can thus be fabricated relatively economically. A segmented cage 8, which is formed by means of a flat blank 9, which is shown in Figures 5 to 8 for different diameter sizes and is made of a material exhibiting high electrical conductivity, is put into the sleeve body 7. As evident from Figures 5 to 8, the blank is provided with two longitudinal outer strips 10, which are connected together by means of a number of ribs 11. Contact tabs 13, which are opposite one another at the longitudinal outer strips (10) and which extend in the flat blank approximately as far as half the width of the segmented cage 8, are chamfered in the regions of the free spaces 12 between the ribs 11. In addition, the ribs 11 exhibit depressions 14. The flat blanks of Figures 5 to 8 can be bent apart in the shape of a cylinder (Figures 2 and 3), whereby now the contact tabs 13 extend approximately as far as half the length of the segmented cage. In addition, a first segment 13' of the contact tabs 13 is bent inwardly and a second segment 13", formed by the free ends, is bent back outwardly. With the arched segments 13"' obtained thus, the contact tabs 13 come to rest pressingly against a contact pin 15. Furthermore, the contact tabs 13 enable the contact pin to be plugged in without any hindrance. The depressions 14 serve as supporting and guide elements for the contact pin 15, thus guaranteeing that the contact tabs 13 rest uniformly against the contact pin 15 and thus guaranteeing a reliable contact. Furthermore, the end of the sleeve body 7 that has approached the insertion opening 16 is pulled forward with a subsegment 7' over the segmented cage 8; and this subsegment 7' is bent so as to slope inwardly in the direction of the central longitudinal axis 17. Thus, the free outer edge 7" of the subsegment 7' acts as an additional guide body, in particular at the start of the plugging operation for the contact pin 15.
  • It is self-evident that an arbitrary number of ribs 11 and contact tabs 13 for the segmented cage 8 can be chosen. Even the substantially trapezoidal shape of the contact tabs 13 selected for the embodiment can vary.

Claims (6)

  1. Electrical connector with a socket contact, formed by means of a sleeve body (5) with attachment means for the connecting leads, for the displaceable reception of a contact pin, where a segmented cage (8), which can rest pressingly against the pin contact, is housed in the sleeve body so as to be fixed axially in position, the segmented cage (8) being formed by means of a cylindrically rolled flat sheet metal blank (9), with longitudinal outer strips (10) connected together by means of a number of ribs (11), which extend side by side separated from each other, wherein chamfered contact tabs (13) are connected at the longitudinal outer strips (10), pairwise opposite to one another and project into the free spaces (12) between the ribs (1), each of said contact tabs extending axially of said cage (8) and comprising a first segment (13') curved in the direction of the central longitudinal axis of the segmented cage (8) and a second segment (13"), formed by means of the free end, bent radially outwardly back and each of said contact tabs (13) being shorter than half the length of the segmented cage (8) between said outer strips (10).
  2. Connector as claimed in claim 1, wherein the ribs (11) of the segmented cage (8) exhibit one depression (14) each and in that the depressions (14) form guide and support elements for the contact pin (15).
  3. Connector as claimed in claim 2, wherein the depressions (14) in the ribs (11) of the segmented cage (8) are useful as stops in order to fix axially the segmented cage (8) in position in the sleeve body (7).
  4. Connector as claimed in claim 1 and 2, wherein the sleeve body (7) for axial fixation in the connector housing (5) reaches with a bend-out (18) into a recess (19) of the connector housing (5).
  5. Connector as claimed in claim 4, wherein the recess (19) is formed by means of an annular groove.
  6. Connector as claimed in claim 1, wherein a segment (7') of the sleeve body (7) projects at the plug-in end (16) beyond the segmented cage (18), and in that the segment (7') is bent down toward the plug-in direction and relative to the central longitudinal axis and serves as a supporting or aligning element for the contact pin (15).
EP94902723A 1992-12-18 1993-12-09 Electrical connector Expired - Lifetime EP0674813B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4242972A DE4242972A1 (en) 1992-12-18 1992-12-18 Electrical connector
DE4242972 1992-12-18
PCT/EP1993/003460 WO1994015380A1 (en) 1992-12-18 1993-12-09 Electrical connector

Publications (2)

Publication Number Publication Date
EP0674813A1 EP0674813A1 (en) 1995-10-04
EP0674813B1 true EP0674813B1 (en) 1997-03-26

Family

ID=6475773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94902723A Expired - Lifetime EP0674813B1 (en) 1992-12-18 1993-12-09 Electrical connector

Country Status (5)

Country Link
EP (1) EP0674813B1 (en)
KR (1) KR950702753A (en)
CA (1) CA2138293A1 (en)
DE (2) DE4242972A1 (en)
WO (1) WO1994015380A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3412738B2 (en) * 1996-10-11 2003-06-03 矢崎総業株式会社 Method of forming female terminal for large current
DE19703984A1 (en) * 1997-02-03 1998-08-06 Grote & Hartmann High current contact element
JP3498832B2 (en) * 1998-09-10 2004-02-23 矢崎総業株式会社 Female terminal, method of assembling female terminal, and connector housing
KR100489973B1 (en) * 2002-07-03 2005-05-16 주식회사 연호전자 Connector for electricity-connect
DE10324492B3 (en) * 2003-05-30 2004-12-02 Tyco Electronics Amp Gmbh High current plug connector includes array of arched springs in socket, each in two sections with second, transversely-curved section located centrally in first section
DE10339958B4 (en) * 2003-08-25 2008-08-28 Biotronik Gmbh & Co. Kg Electrical plug contact
DE102004061276A1 (en) * 2004-12-13 2006-06-22 Siemens Ag Electrical contact arrangement
DE102005043156A1 (en) * 2005-09-12 2007-03-15 Robert Bosch Gmbh Socket contact with at least two contact points arranged in the plug-in direction
DE102006006845B3 (en) * 2006-02-15 2007-07-19 Tyco Electronics Amp Gmbh Electrical outer conductor sleeve for e.g. electrical angular -plug-in connector, has spring segment unilaterally connected with wall in single piece, where free longitudinal end section of segment partially protrudes inwardly into sleeve
KR101583844B1 (en) * 2010-11-03 2016-01-08 현대자동차주식회사 Connector terminal for electric vehicle
DE102012010296B4 (en) * 2012-05-24 2017-03-16 Amphenol-Tuchel Electronics Gmbh Socket for electrical contacting of a pin contact and socket and pin contact
DE102016123081B4 (en) 2016-11-30 2018-06-14 Amphenol-Tuchel Electronics Gmbh Cylindrical high current contact connector socket
WO2018214239A1 (en) * 2017-05-26 2018-11-29 深圳市大富科技股份有限公司 Electrical plug device and electric automobile
CN112054316B (en) * 2019-06-06 2022-03-22 北京北方华创微电子装备有限公司 Elastic equipotential ring, upper electrode gear box and assembly and semiconductor processing equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550972A (en) * 1984-04-09 1985-11-05 Amp Incorporated Cylindrical socket contact
DE3531845C2 (en) * 1985-09-06 1994-05-26 Daut & Rietz Trw Contact part, shaped as a socket or plug part for insertion in socket or plug housings
EP0476848B1 (en) * 1990-09-07 1995-12-13 ITT INDUSTRIES, INC. (a Delaware corporation) Closed entry socket contact assembly

Also Published As

Publication number Publication date
CA2138293A1 (en) 1994-07-07
DE69309307D1 (en) 1997-04-30
WO1994015380A1 (en) 1994-07-07
KR950702753A (en) 1995-07-29
EP0674813A1 (en) 1995-10-04
DE69309307T2 (en) 1997-07-10
DE4242972A1 (en) 1994-06-23

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