EP0203653A2 - Procédé de fabrication d'une douille et douille ainsi fabriquée - Google Patents

Procédé de fabrication d'une douille et douille ainsi fabriquée Download PDF

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Publication number
EP0203653A2
EP0203653A2 EP86200840A EP86200840A EP0203653A2 EP 0203653 A2 EP0203653 A2 EP 0203653A2 EP 86200840 A EP86200840 A EP 86200840A EP 86200840 A EP86200840 A EP 86200840A EP 0203653 A2 EP0203653 A2 EP 0203653A2
Authority
EP
European Patent Office
Prior art keywords
webs
constriction
plug socket
socket
pin
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.)
Withdrawn
Application number
EP86200840A
Other languages
German (de)
English (en)
Other versions
EP0203653A3 (fr
Inventor
René Widmer
Mario Allemano
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.)
FAVAG SA
Original Assignee
FAVAG SA
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 FAVAG SA filed Critical FAVAG SA
Publication of EP0203653A2 publication Critical patent/EP0203653A2/fr
Publication of EP0203653A3 publication Critical patent/EP0203653A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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

Definitions

  • the invention relates to a method for producing a plug socket and a plug socket produced by this method according to the preambles of the independent claims.
  • Sockets are used to produce electrical plug contacts and are generally known. If the pins to be inserted do not have any elastic properties, then the sockets are generally designed in such a way that they have a resilient area which elastically clamps the respective inserted pin and thus ensures good contact formation.
  • sockets are known, which are essentially rotationally symmetrical and are inserted with a pin-shaped extension into bores in the circuit board and then soldered. Arranged in rows, these sockets serve as sockets for inserting the contact pins of integrated semiconductor components with a round or square cross-section. This makes the semiconductor modules interchangeable. Another advantage is the avoidance of the temperature stress that would arise when the components were soldered onto the circuit board.
  • the process requires only a few work steps that can be fully automated.
  • the process thus fulfills the requirement of being inexpensive. Only a single starting material is required for production, which simplifies storage. Finally, the surface coating, in particular the gold plating, is simple and, above all, partially possible at the actual contact point, which enables considerable savings to be made on the expensive raw material gold.
  • Fig. 1 shows a section of a metallic socket 11 in a large magnification.
  • the socket is rotationally symmetrical and has a pin-shaped extension 13, with the aid of which it can be inserted into a bore in a printed circuit board and soldered to the conductors of this board.
  • the bushing 11 has two essentially cylindrical regions 15 and 17, the same inside diameter of which is somewhat larger than the outside diameter of the pin not to be inserted.
  • the area 17 is open on the front side.
  • the cylindrical regions 15 and 17 are connected by a neck-shaped constriction 19, the inside diameter of which is smaller than the outside diameter of the pin mentioned.
  • the wall material of the constriction 19 is reduced in its strength by incisions. This allows it to deflect elastically outwards when the pin is inserted and keeps the pin in spring contact.
  • Two collars 21 and 23 on the cylindrical regions 15 and 17 serve for the axial positioning of the socket 11 when it is inserted into a guide or bore 24 of a holding plate 25 made of non-conductive material, e.g. thermoplastic, inserted or injected.
  • Fig. 2 shows a cut part 31 which is cut out of a flat sheet, preferably by a stamping process.
  • This part 31 has a central, approximately rectangular area 35, a tab-shaped area 37, a perforated area 39 and two extension areas 33 and 34.
  • the perforated area 39 comprises a plurality of elongated holes 41, e.g. five, which are bounded by webs 42 against one another and towards the outside.
  • the holes 41 and webs 42 are aligned parallel to one another and are advantageously at an angle to the longitudinal direction of the cut part 31, for example tilted by 25 ° to the outer edges of the rectangular region 35.
  • 20 and 22 finally designate two webs formed by embossing.
  • the perforated region 39 is further cylindrically shaped, i.e. the area of the holes 41 and webs 42.
  • the perforated area 39 constricts, as a result of which the holes 41 are closed and the neck-shaped constriction 19 is formed.
  • This constriction thus arises from the independent webs 42 and thus maintains their elasticity, which is sufficient for the purpose of elastically receiving an inelastic pin and for permanently elastic electrical contact.
  • the webs 42 can be surface-coated on the later inside of the constriction 19, e.g. gild.
  • the method for producing plug sockets 11 comprises two essential work steps.
  • the first of these steps consists in cutting out, in particular punching out the cut part 31 and possible partial gold plating of the webs 42 (shown by puncturing in FIG. 2).
  • the second step consists in rolling the cut part 31 and forming the constriction 19. Both steps can be fully automated and are not very labor-intensive.
  • the sockets 11 can therefore be manufactured comparatively cheaply and consist of only one piece. Due to their rotationally symmetrical cross-section and their elasticity, they are suitable for holding round as well as square contact pins.

Landscapes

  • Manufacturing Of Electrical Connectors (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
EP86200840A 1985-05-24 1986-05-15 Procédé de fabrication d'une douille et douille ainsi fabriquée Withdrawn EP0203653A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2217/85 1985-05-24
CH221785 1985-05-24

Publications (2)

Publication Number Publication Date
EP0203653A2 true EP0203653A2 (fr) 1986-12-03
EP0203653A3 EP0203653A3 (fr) 1989-03-15

Family

ID=4228591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86200840A Withdrawn EP0203653A3 (fr) 1985-05-24 1986-05-15 Procédé de fabrication d'une douille et douille ainsi fabriquée

Country Status (1)

Country Link
EP (1) EP0203653A3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE694878A (fr) * 1966-03-03 1967-08-14
US3862792A (en) * 1973-10-03 1975-01-28 Gte Sylvania Inc Electrical connector assembly
FR2239027A1 (en) * 1973-07-24 1975-02-21 Amp France Sa Method of forming printed circuit board socket - bearing ball is introduced into sleeve before an inner sleeve
GB2065993A (en) * 1979-12-04 1981-07-01 Pa Management Consult Electrical connector
EP0061587A2 (fr) * 1981-03-16 1982-10-06 CONNEI S.p.A. Une douille pour un connecteur électrique et une méthode de fabrication de celle-ci

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE694878A (fr) * 1966-03-03 1967-08-14
FR2239027A1 (en) * 1973-07-24 1975-02-21 Amp France Sa Method of forming printed circuit board socket - bearing ball is introduced into sleeve before an inner sleeve
US3862792A (en) * 1973-10-03 1975-01-28 Gte Sylvania Inc Electrical connector assembly
GB2065993A (en) * 1979-12-04 1981-07-01 Pa Management Consult Electrical connector
EP0061587A2 (fr) * 1981-03-16 1982-10-06 CONNEI S.p.A. Une douille pour un connecteur électrique et une méthode de fabrication de celle-ci

Also Published As

Publication number Publication date
EP0203653A3 (fr) 1989-03-15

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Inventor name: WIDMER, RENE