EP1103088A1 - Contact de douille - Google Patents

Contact de douille

Info

Publication number
EP1103088A1
EP1103088A1 EP99945871A EP99945871A EP1103088A1 EP 1103088 A1 EP1103088 A1 EP 1103088A1 EP 99945871 A EP99945871 A EP 99945871A EP 99945871 A EP99945871 A EP 99945871A EP 1103088 A1 EP1103088 A1 EP 1103088A1
Authority
EP
European Patent Office
Prior art keywords
spring
wall
wall part
socket contact
over
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.)
Granted
Application number
EP99945871A
Other languages
German (de)
English (en)
Other versions
EP1103088B1 (fr
Inventor
Richard Flieger
Freddy D'hulster
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.)
TE Connectivity Solutions GmbH
Original Assignee
Tyco Electronics Logistics AG
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 Tyco Electronics Logistics AG filed Critical Tyco Electronics Logistics AG
Publication of EP1103088A1 publication Critical patent/EP1103088A1/fr
Application granted granted Critical
Publication of EP1103088B1 publication Critical patent/EP1103088B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • 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
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the invention relates to a socket contact, consisting of an over-spring and a base spring, the over-spring enclosing the base spring with a first, second, third and a divided fourth wall in a box-shaped manner and for the positive connection of the wall parts of the divided fourth wall at least on one wall part two connecting tabs are formed, which are arranged in the insertion direction of the socket contact in the front and rear area of the wall part.
  • Such a spring is known from DE 195 36 500 C2.
  • the spring is made as a stamped and bent part, whereby the two ceiling wall parts are separated by a longitudinal slot due to the manufacturing process.
  • a connecting flap is formed on a ceiling wall part in the lower part of the longitudinal slot, which is bent upwards by an offset from the ceiling wall part and extends in the direction of the opposite ceiling wall part beyond the longitudinal slot and overlaps the other ceiling wall part.
  • the connection flap is connected to the other ceiling wall part either by plastic deformation, i.e. by plastic cold deformation and pressing the connection area into one another with an embossing stamp or by welding or by a purely positive connection. No specific positive connection of the ceiling wall parts is proposed in the publication.
  • This kind of positive connection has the disadvantage that the entanglement from loosening under heavy distortion or me ⁇ ical load on the cover spring.
  • DE-GM 92 01 047 discloses a double flat spring contact with an over-spring which is integrated in the contact and is therefore formed in one piece.
  • the base part of this contact is divided, the side walls formed thereby being connected to one another in a dimensionally stable manner via two connecting webs.
  • the connecting webs have a recess or a dovetail-shaped projection which is keyed to the recess.
  • This type of connection also has the disadvantage that it can come loose when the spring is twisted or subjected to strong mechanical loads.
  • the invention is therefore based on the object for a socket contact of the type mentioned to show a spring with a stable box shape as stable as possible, which can be produced without additional processing effort.
  • the object is achieved in that a recess is formed on the other wall part for each connecting tab and the connecting tabs are pushed through and bent through the recesses and the two wall parts overlap over the full length of the spring.
  • connection is easy to make on a stamping and bending machine.
  • the connecting tabs are first bent through 90 ° so that they protrude outwards.
  • the other wall part with the recesses is Hing connecting tabs bent so that the connecting tabs lead through the recesses.
  • the wall halves are thus firmly connected to one another both in the longitudinal direction and in the transverse direction of the spring. Even with a strong mechanical load, e.g. There is therefore no danger of the connection between the wall halves becoming loose if the spring is twisted or treaded.
  • the recesses are preferably formed in the upper wall part as elongated holes. However, at least one recess can also be designed as a U-shaped recess on the connection-side or on the contact-side edge of the upper wall part.
  • the design of the recesses as elongated holes has the advantage that the connecting tabs can be deformed after the bending in such a way that they are supported on the walls of the recesses.
  • the connecting tabs are advantageously deformed by pressing or introducing one or more notches on the upper side of the connecting tabs.
  • the base spring In order to enclose the base spring as stably as possible, it is necessary to keep the contact area between the spring and base spring as large as possible.
  • an offset in the material thickness of the lower wall part is advantageously provided in the upper wall part in front of the overlap area.
  • 1 is a perspective view of the socket contact with a view of the divided fourth wall
  • FIG. 3 shows a perspective illustration of a further embodiment variant of the over-spring with a view of the divided fourth wall
  • FIG. 5 shows a partial view in section of the contact zone of the socket contact.
  • FIG. 1 and 2 show a socket contact 1, which consists of a base spring 2 and a spring 3.
  • the entire socket contact 1 is inserted into a contact chamber 4 of a contact carrier 5 (see FIG. 4), for example into a socket housing of an electrical plug-in connection having single or row contact chambers.
  • the basic spring 2 is provided with a connection, for example, as a Cri pan connection Part 6 for an electrical conductor and formed with a contact part 7, which has a cross-section, for example, U-shaped or rectangular spring leg base 8, of which the spring legs 9 and 10 (see FIG. 5) for contacting a plug contact, for example a contact knife, going out.
  • each spring leg 9, 10 of the base spring 2 starts, for example, from the top wall and the wall of a spring leg base 8 with a rectangular cross section and can be designed as normal fork spring arms or as double flat spring contacts, but also have several contact lamellae per spring leg due to longitudinal slitting.
  • each spring leg 9, 10 has four contact blades.
  • the spring 3 is also rectangular in cross section, so that it encloses the entire contact part 7 of the base spring 2 with four walls 11-14 box-shaped.
  • the first wall 11 forms the top wall
  • the second and third walls 12, 13 form the side walls
  • the fourth wall 14 represents the bottom wall.
  • In the lower portion of the first wall 11 facing the connecting part 6 of the base spring 2 there is a latching hook 15 bent outwards as a primary fuse for a socket contact 1 to be inserted into a contact chamber 4 of the contact carrier 5.
  • the latching hook 15 has an outwardly projecting arch 16 on its outer end face and is provided with an impression 17 on both sides of the arch 16.
  • impressions 17 produce relatively sharp edges on the end face of the latching hook 15, which contribute to the latching hook 15 fixing the socket contact 1 better in the contact chamber 4.
  • the outward-facing curvature 16 in the locking hook 15 also contributes to the better fixation of the socket contact 1 in the contact chamber 4.
  • flaps 19, 20 formed by separating cuts are provided on the second and third walls 12, 13 of the over-spring 3, which engage in corresponding openings 21, 22 on the side walls of the spring leg base 8.
  • the base spring 2 and the spring 3 are made of stamped and bent parts made of sheet metal and are therefore divided into two in one wall due to the manufacturing process.
  • the fourth wall 14 is divided into two and consists of the two wall parts 14a and 14b.
  • the wall parts 14a, 14b are connected in the manner described below.
  • the wall parts 14a and 14b overlap over the full length of the spring 3.
  • the overlap forms a lower wall part 14a and an upper wall part 14b.
  • Two connecting tabs 23 are formed on the lower wall part 14a, which are bent upward by 90 ° and are inserted through corresponding recesses 24 in the upper wall part 14b.
  • the connecting tabs 23 are bent again through 90 ° after being pushed through the recesses 24, so that the upper wall part 14a is clamped between the bent upper region of the connecting tabs 23 and the lower wall part 14a.
  • the upper sides of the bent connecting tabs 23 can be provided with notches 25, so that the connecting tabs widen in the longitudinal direction of the over-spring 3 and are also pressed against the side walls of the recesses 24.
  • the notches 25 are arranged transversely to the longitudinal direction of the over-spring 3.
  • the two connecting tabs 23, via which the wall parts 14a and 14b are connected to one another, are arranged in the insertion direction of the socket contact 1 essentially in the front and rear region of the lower wall part 14a.
  • the connecting tab 23, which is closer to the connection part 6 of the base spring 2, is substantially wider and is provided with two or more notches 25 on its upper side.
  • the upper wall part 14b is bent by an offset 26 in front of the overlap region with the lower wall part 14a.
  • a further flap 27 is arranged, which is likewise bent upwards by 90 ° and whose somewhat wider upper region is folded down again by 180 °.
  • the upper folded area of the flap 27 forms a polarizing element 28 for the socket contact 1, so that the socket contact 1 is incorrectly inserted into the contact chamber of a contact carrier.
  • the tab 27 is laterally offset from the longitudinal axis of the spring 3.
  • the upper folded area is widened in the direction of the longitudinal axis of the spring 3, but is also laterally offset from the longitudinal axis of the spring 3.
  • it can also be arranged centrally to the longitudinal axis of the over-spring 3 in order to match the contact chamber 4, as shown in FIG.
  • the contact chamber 4 of the contact carrier 5 for the polarizing element 28 is formed with a corresponding polarizing groove 29.
  • the dimensions of the polarizing element 28 transverse to the insertion direction are smaller than those of the polarizing groove 29.
  • an inwardly bent spring tongue 30 is formed for each spring leg 9, 10 of the base spring 2, which is approximately at the level of the contact zone 31 (see FIG. 5) on the spring legs 9, 10 rest.
  • FIG. 3 shows a further embodiment variant of the over-spring 3.
  • the wall parts 14a and 14b are connected on the connection side and on the contact side via two connecting tabs 23 of the same width, each of which is provided with only one impression 25 on its upper side.
  • the connection-side recess 24 in the upper wall part 14a is U-shaped.
  • the latching hook 15 is formed on the connection-side edge of the first wall 11 and is produced by two incisions 32, 33, which begin from the end face of the first wall 11 facing the connection part 6.

Landscapes

  • Connecting Device With Holders (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention concerne un contact de douille (1), constitué d'un ressort supérieur (3) et d'un ressort de base (2), le ressort supérieur (3) entourant le ressort de base (2), à la façon d'une boîte, avec une première paroi (11), une seconde paroi (12), une troisième paroi (13) et une quatrième paroi (14), qui est divisée. Les parties de paroi (14a, 14b) de la quatrième paroi (14), qui est divisée, sont reliées l'une à l'autre par liaison de forme. Dans la région avant et dans la région arrière d'une partie de paroi (14a), vu dans le sens d'enfichage du contact de douille (1), sont formées au moins deux languettes d'assemblage (23). Sur l'autre partie de paroi (14b) sont formés des évidements (24) destinés respectivement à chaque languette d'assemblage (23), lesquelles passent à travers lesdits évidements et sont recourbées. Pour que la stabilité soit augmentée, les deux parties de parois (14a, 14b) se chevauchent sur toute la longueur du ressort supérieur (3).
EP99945871A 1998-08-03 1999-07-01 Contact de douille Expired - Lifetime EP1103088B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19835020 1998-08-03
DE19835020A DE19835020C2 (de) 1998-08-03 1998-08-03 Buchsenkontakt
PCT/DE1999/002015 WO2000008721A1 (fr) 1998-08-03 1999-07-01 Contact de douille

Publications (2)

Publication Number Publication Date
EP1103088A1 true EP1103088A1 (fr) 2001-05-30
EP1103088B1 EP1103088B1 (fr) 2002-09-25

Family

ID=7876304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99945871A Expired - Lifetime EP1103088B1 (fr) 1998-08-03 1999-07-01 Contact de douille

Country Status (6)

Country Link
US (1) US6872103B1 (fr)
EP (1) EP1103088B1 (fr)
JP (1) JP2002522883A (fr)
KR (1) KR20010072198A (fr)
DE (2) DE19835020C2 (fr)
WO (1) WO2000008721A1 (fr)

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Also Published As

Publication number Publication date
WO2000008721A1 (fr) 2000-02-17
DE59902874D1 (de) 2002-10-31
KR20010072198A (ko) 2001-07-31
DE19835020A1 (de) 2000-04-06
US6872103B1 (en) 2005-03-29
DE19835020C2 (de) 2001-02-08
JP2002522883A (ja) 2002-07-23
EP1103088B1 (fr) 2002-09-25

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