EP1659664A1 - Dispositif de connexion pour raccorder un véhicule tracteur à une remorque - Google Patents

Dispositif de connexion pour raccorder un véhicule tracteur à une remorque Download PDF

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Publication number
EP1659664A1
EP1659664A1 EP04425862A EP04425862A EP1659664A1 EP 1659664 A1 EP1659664 A1 EP 1659664A1 EP 04425862 A EP04425862 A EP 04425862A EP 04425862 A EP04425862 A EP 04425862A EP 1659664 A1 EP1659664 A1 EP 1659664A1
Authority
EP
European Patent Office
Prior art keywords
contacts
support body
series
connector device
fastening
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Withdrawn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
EP04425862A
Other languages
German (de)
English (en)
Inventor
Tiziano c/o Menber's spa Bianchin
Giuseppe c/o Menber's spa Vaccari
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.)
Menbers SpA
Original Assignee
Menbers SpA
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 Menbers SpA filed Critical Menbers SpA
Priority to EP04425862A priority Critical patent/EP1659664A1/fr
Publication of EP1659664A1 publication Critical patent/EP1659664A1/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Withdrawn legal-status Critical Current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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • 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
    • H01R4/06—Riveted connections

Definitions

  • the present invention relates to a connector device for the electrical connection between a towing vehicle and a trailer.
  • the printed circuit board bearing the first and the second series of connectors is a rigid component, not chemically compatible with the over-moulded plastic material.
  • the over-moulding of plastic material on the printed circuit board creates considerable problems from the technological viewpoint due, among other reasons, to differentiated thermal expansions between the printed circuit board and the over-moulded material.
  • the object of the present invention is to provide an enhanced connector device which allows to overcome the problems of the prior art.
  • said object is achieved by a connector device having the characteristics set out in the main claim.
  • the numbers 10 and 12 designate two different types of contacts usable in a connector device according to the present invention.
  • the contact 10 has an elongated, pin shaped body made of metallic material, preferably obtained by turning starting from a wire or a round bar on an automatic numerically controlled machine.
  • the contact 10 is preferably made of brass with a superficial coating of electrolytic nickel applied after the turning operation.
  • the contact 10 has a fastening portion 14 with a tang to be riveted 16.
  • the contact 12 is a double male blade contact preferably obtained by cold plastic deformation (bending and shearing) of a strip on an automatic oleodynamic press.
  • the material of the contact 12 is preferably brass coated superficially by electrolytic tin after the bending/shearing operation.
  • the contact 12 comprises two parallel blades 18 which project from a base 20.
  • the base 20 is provided with a hole 22 and with two projections 24 which extend from the opposite part relative to the blades 18.
  • a support body for the contacts is designated by the number 26.
  • the body 26 is obtained by injection moulding of thermoplastic material.
  • the thermoplastic material constituting the support body of the contacts 26 is preferably polybutylene terephthalate (PBT) reinforced with glass fibre.
  • the support body of the contacts 26 comprises a plurality of fastening portions of the contacts 28 mutually separated by empty spaces 30 and connected to each other by thin flexible connecting strips 32.
  • the fastening portions of the contacts 28 and the flexible connecting strips 32 are obtained integrally during the moulding operation.
  • Each fastening portion of the contacts 28 has a fastening hole 34 and two positioning holes 36.
  • the positioning holes 36 can be opened on a lateral edge of the fastening portion 28.
  • FIGS. 4 and 5 show a contact group 38 for a connector device according to the present invention.
  • the contact group 38 comprises a body 26 for supporting the contacts, a series of contacts 10 and a series of contacts 12 fastened on opposite sides of the support body of the contacts 26.
  • the tang 16 of each of the contacts 10 is inserted through the fastening hole 34 of a respective fastening portion 28 of the support body of the contacts 26.
  • the tang 10 of each contact 10 is also inserted into the hole 22 of a corresponding contact 12.
  • the fastening between the contacts 10, 12 and with the contact-bearing body 26 is obtained by cold plastic deformation of an end part of the tangs 26 of the contacts 10.
  • the projections 24 of the contacts 12 are inserted into the positioning holes 36 of the fastening portions 28. The engagement of the projections 24 in the holes 36 allows to obtain a predetermined orientation of the contacts 12.
  • the positioning holes 36 are not necessary if contacts 12 are used which do not require an orientation around their longitudinal axis.
  • Figure 5 shows the complete contact group 38, after the fastening of the contacts 10, 12 to the support body of the contacts 26.
  • the support body of the contacts has the task of positioning and orienting the contacts 10, 12 in determined positions regulated by international ISO standards and its function is to actuate the entire contact group 38.
  • a particularly advantageous characteristic in the subsequent step of the method for producing the connector device is that the contacts are held together in flexible fashion thanks to the deformability of the flexible strips 32 which mutually connect the fastening portions of the contacts 28 of the support body of the contacts 26.
  • the complete contact group 38 is positioned in an injection moulding apparatus.
  • the reference number 40 designates one of the half-moulds of said moulding apparatus.
  • the half-mould 40 comprises an impression 42 and at least one seat 44 for receiving contacts 10.
  • the half-mould 40 is provided with three seats 44 in which are positioned corresponding contact groups 38 with different number and/or shape of the contacts, to form a connector devices with three different contact groups.
  • the invention is not limited to the specific embodiment illustrated in Figures 6 and 7.
  • Each contact group 38 may be subjected to an over-moulding step independently of other contact groups.
  • at the contacts 12 is applied a closure element 46.
  • the impression 42 of the half-mould 40 is closed by a complementary half-mould.
  • plastic material is injected into the impression 42 of the moulding apparatus.
  • the injected plastic material is over-moulded on the contact group 38.
  • the injected material completely surrounds the support body of the contacts 26 and a part of the contacts 10.
  • the injected thermoplastic material over-moulded on the contact group 38 forms an outer case designated by the reference number 48 in Figure 8.
  • the outer case 48 rigidly connects to each other the pair of contacts 10, 12 which before over-moulding were connected to each other in flexible fashion by the support body of the contacts 26.
  • the support body of the contacts 26 remains fully incorporated in the over-moulded thermoplastic material.
  • the thermoplastic material constituting the support body of the contacts 26 is preferably chemically compatible with the injected material forming the outer case 48, so that during the over-moulding step the support body of the contacts 26 is fully incorporated in the over-moulded material.
  • the outer case 48 has integral connector bodies 50, 52 with shape and dimensions that are compliant with international standards for the specific type of connectors obtained.
  • the connector device is completed with the possible addition of accessory components, such as a lid 54 or a flexible casing 56.
  • the empty spaces 30 between the fastening portions of the contacts 32 render each pair of contacts 10, 12 independent from the other pairs of contacts.
  • the injected material penetrates into the empty spaces 30. Consequently, a regular filling is obtained of the over-moulding region by the injected thermoplastic material and there are additional guarantees against the entrance and the propagation of water/humidity inside the moulding ) apparatus.
  • problems due to the accumulation of humidity during the over-moulding step are overcome; said accumulation could reduce the insulation resistance and, in the worst cases, cause a short circuit between the contacts.
  • the flexible connection of the contacts is very advantageous to favour the manual insertion of the complete contact groups 38 in the seats 44 of the half-mould 40.
  • the technique for over-moulding the outer case 48 allows to eliminate the step of assembling the contact group on a contact board and the subsequent mounting of the contact board on a connector body. All this simplifies the production procedures and reduce the cost of the production process.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP04425862A 2004-11-18 2004-11-18 Dispositif de connexion pour raccorder un véhicule tracteur à une remorque Withdrawn EP1659664A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04425862A EP1659664A1 (fr) 2004-11-18 2004-11-18 Dispositif de connexion pour raccorder un véhicule tracteur à une remorque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425862A EP1659664A1 (fr) 2004-11-18 2004-11-18 Dispositif de connexion pour raccorder un véhicule tracteur à une remorque

Publications (1)

Publication Number Publication Date
EP1659664A1 true EP1659664A1 (fr) 2006-05-24

Family

ID=34932895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04425862A Withdrawn EP1659664A1 (fr) 2004-11-18 2004-11-18 Dispositif de connexion pour raccorder un véhicule tracteur à une remorque

Country Status (1)

Country Link
EP (1) EP1659664A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1973199A2 (fr) * 2007-03-23 2008-09-24 Ridelin, S.L. Une méthode pour connecter entre elles des surfaces de contact pour des raccordements électriques

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266865A (ja) * 1988-08-31 1990-03-06 Nec Corp コネクタの製造方法
EP1401064A1 (fr) * 2002-09-02 2004-03-24 Menber's S.p.A. Adaptateur pour la connexion électrique entre connecteurs à nombre de pôles different

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266865A (ja) * 1988-08-31 1990-03-06 Nec Corp コネクタの製造方法
EP1401064A1 (fr) * 2002-09-02 2004-03-24 Menber's S.p.A. Adaptateur pour la connexion électrique entre connecteurs à nombre de pôles different

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 241 (E - 0931) 22 May 1990 (1990-05-22) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1973199A2 (fr) * 2007-03-23 2008-09-24 Ridelin, S.L. Une méthode pour connecter entre elles des surfaces de contact pour des raccordements électriques
EP1973199A3 (fr) * 2007-03-23 2011-08-10 Ridelin, S.L. Une méthode pour connecter entre elles des surfaces de contact pour des raccordements électriques

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