EP2800205B1 - Broche creuse partiellement pleine - Google Patents

Broche creuse partiellement pleine Download PDF

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Publication number
EP2800205B1
EP2800205B1 EP14166028.2A EP14166028A EP2800205B1 EP 2800205 B1 EP2800205 B1 EP 2800205B1 EP 14166028 A EP14166028 A EP 14166028A EP 2800205 B1 EP2800205 B1 EP 2800205B1
Authority
EP
European Patent Office
Prior art keywords
plug pin
axial length
central area
plug
hollow
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.)
Active
Application number
EP14166028.2A
Other languages
German (de)
English (en)
Other versions
EP2800205A1 (fr
Inventor
Dirk Rosemann
Michael Schöne
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.)
Taller GmbH
Original Assignee
Taller 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 Taller GmbH filed Critical Taller GmbH
Publication of EP2800205A1 publication Critical patent/EP2800205A1/fr
Application granted granted Critical
Publication of EP2800205B1 publication Critical patent/EP2800205B1/fr
Active 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
    • H01R13/04—Pins or blades for co-operation with sockets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/218—Indirect extrusion presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
    • 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
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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
    • 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

Definitions

  • the invention relates to a plug pin for producing an electrical contact between a power cord of a plug cable and a socket contact, wherein the plug pin has a connection end for electrical connection to the Netzan gleichlitze and leading from the connection end to a plug-side contact end electrically conductive central region, wherein the connecting end as a hollow crimp end is formed, and wherein the connection end and at least a part of the socket-side contact end are formed hollow by deep drawing or in extrusion molding.
  • Such at least partially hollow connector pins are described for example in WO 2009/021491 A2 .
  • DE 10 2007 062 500 A1 as in DE 196 27 335 C1 , in EP 0 128 990 A1 , in GB 2 083 716 A or in DE 101 51 990 A1 ,
  • An extruded hollow pin is already in DE 11 18 303 B , a extruded push pin made of solid material is in DE 102 03 171 A1 , a extruded hollow connector in DE 31 23 850 C2 or for example in US 2006/0102375 A1 , a connector bridge with extruded hollow plug pin in DE 20 2007 017 752 U1 and a pin with connection hole at the connection end in DE 86 33 492 U1 disclosed.
  • jumper bridges are installed in large quantities in the production of device connectors. Since relatively small price differences already have a significant impact on competitiveness in the fiercely contested market, developments to reduce costs or material in this technical field are particularly important.
  • a pin is described, which is formed from a rolled sheet metal strip.
  • the interior of the connector pin can also be filled with plastic. In this way, only round pin shapes can be made.
  • Object of the present invention is in contrast to improve a generic pin with the technical features described above by simple technical means inexpensive and inexpensive and without the use of additional parts to the extent that continue in the production of considerable material and thus in particular weight and cost can be saved, the plug pin but in its central region, where it is installed in the plastic base plate of a jumper is compared to the known, especially extruded hollow pins considerably mechanically reinforced and beyond the pouring of the connector pin in the base plate of the connector bridge the Danger of penetrating into the cavities of the connector pin liquid plastic or moisture due to the prevailing ambient atmosphere with absolute certainty is avoided.
  • connection end and plug-side contact end ensures that when pouring the connector pin according to the invention in the plastic base plate of a connector bridge under no circumstances liquid plastic or Moisture over the connection end with the - of course hollow - crimping and the central area in the - again hollow - plug socket side contact end passes.
  • a mass of continuous cavity in the context of the invention, inter alia, a - about after a radial compression of a hollow blank - closed-fitting radially innermost material area can be understood. In this case, even tiny micro-gaps in a size range below 0.1 mm are permissible, without thereby forming a continuous hollow space between the connection end and the socket-side contact end, which in any case can be excluded.
  • the central region may have an axial length of 3mm to 8mm, preferably an axial length of about 5mm and solid on an axial length of 1mm to 3mm, preferably an axial length of about 2mm be formed without continuous cavity between the connecting end and steckdosen sum contact end.
  • the central region has an axial length of 10% to 20%, preferably an axial length of about 15% of the total axial length of the connector pin and an axial length of 5% to 10%, preferably formed on an axial length of about 7% of the total axial length of the connector pin solid without continuous cavity between the connecting end and steckdosen sum contact end.
  • pin closure is a defined hole relationship or cavity depth and a defined cavity end on the lying for further processing during crimping of the individual strands of the core cross-section side.
  • Another group of embodiments is characterized in that the central region is helically wound around the longitudinal axis of the connector pin, whereby the natural material flow during extrusion is even better Account is taken. The mechanical strength is better pronounced. The pin hole to the cavity is closed.
  • the central region is conically pressed into the plug pin, wherein preferably the conically shaped central region tapers from the connecting end to the socket-side contact end. This ensures that the pin receives a further improved torsional and expressive power protection.
  • the hollow cone produced has its largest opening cross-section in the direction of the power cord of the plug cable to be inserted into the crimp end 2a, the insertion of the strand is facilitated by a guiding action.
  • the middle region is pressed into the plug pin in a crowned manner. This also allows the area to be closed to the pen.
  • FIG. 1 Further embodiments of the connector pin according to the invention can provide that the central region has a plurality of radial cross-sectional constrictions in axial sequence along the longitudinal axis of the connector pin. In this way it is possible that in a good relation between force and result of the pin is closed at the bottom of the hole. This reduces tool wear during production.
  • the socket-side contact end has an axial length of 10mm to 50mm, preferably of about 20mm and a continuous cavity on an axial length of 5mm to 48mm, preferably on an axial length of about 18mm.
  • socket-side contact end has an axial length of 50% to 80%, preferably has an axial length of about 2/3 of the total axial length of the connector pin and a continuous cavity on an axial length of 35% to 75%, preferably on an axial length of about 60% of the axial total length of the connector pin.
  • a plug bridge with at least one plug pin of the type described above according to the invention which is characterized in that it comprises a base plate made of thermoplastic material, preferably flame retardant plastic material, in which at least one plug pin is cast, wherein the thickness the base plate substantially corresponds to the axial length of the central region of the at least one connector pin.
  • embodiments of this connector bridge are preferred, which are characterized in that an electrical fuse is provided against excessive current flow, which is required by law in many countries.
  • a method for producing a connector pin of the type described above with a connection end for electrical connection to a power cord and leading from the connection end to a plug-side contact end electrically conductive central region which is characterized in that in a first manufacturing step (a) from a hollow blank is produced by forming, in particular by deep drawing or extrusion molding, that in a second production step (b) the initially hollow cross section in the central region of the hollow blank by concentric pressing, rolling or tapering radially to the axis of the hollow blank in such a way is compressed, that the central region of the compressed blank plastic fluid-tight and at least partially solid without continuous cavity between the connecting end and steckdosen usedem Contact end is formed, and that then in a third manufacturing step (c), the hollow connection end of the compressed blank is formed by rolling, embossing or cutting as a crimp end, so that a plug pin for establishing an electrical contact between a power cord of a plug cable and a socket contact is formed.
  • modified plug pins can be inexpensively produced in the required, very high number of pieces and in economic cycle times.
  • the forming tool used in the first production step (a) for producing the hollow blank from the solid metallic blank with a punch end portion still at the axial height of the connection end is seated in the cavity of the hollow blank, while the hollow blank is subjected to concentric pressing, rolling or tapering at the axial height of the later central region of the resulting compressed blank radially to the axis.
  • the punch end of the forming tool used thus acts as a counter-bearing during compression of the central region, resulting in an additional - highly desirable - material hardening and a particularly well-defined geometric shape of the massive bottleneck (s) contributes.
  • FIGS. 1a to 4c show embodiments of a connector pin 1 according to the invention ; 1.1; 1.2; 1.3; 1.4 for making electrical contact between a power cord of a patch cord and a socket contact, wherein the pin 1; 1.1; 1.2; 1.3; 1.4 a longitudinal axis a, a connection end 2 for electrical connection to the power cord and a leading from the connection end 2 to a socket-side contact end 3 electrically conductive central region 4; 4.1; 4.2; 4.3; 4.4 , and wherein the connection end 2 is formed as a crimp end 2a .
  • the plug pin 1 according to the invention; 1.1; 1.2; 1.3; 1.4 is characterized in that the connecting end 2 and at least a part of the socket-side contact end 3 hollow by deep drawing or in extrusion molding, the central region 4; 4.1; 4.2; 4.3; 4.4, however, plastic fluid-tight and at least partially massive are formed without continuous cavity between the connecting end 2 and plug-side contact end 3.
  • FIG. 3 illustrates an embodiment of the plug pin 1.1 according to the invention in a schematic longitudinal section containing the longitudinal axis.
  • the middle section 4.1 is compressed in all directions in a direction radial to the longitudinal axis a from all sides to a solid, plastic fluid-tight barrier between the connection end 2 and the socket side Training contact 3.
  • Fig. 1 b shows the pin 1.1 Fig. 1 a in a side view. Indicated in both figures, respectively, the installation situation of the connector pin 1.1 in the base plate 5 a - for clarity in the drawing otherwise not shown - connector bridge.
  • FIG. 2a is again shown in longitudinal section the structure of a further embodiment of the connector pin 1.2 according to the invention, which has a wound around the longitudinal axis of the connector pin around 1.2 center area 4.2, as in the side view of Fig. 2b is clearly visible.
  • Fig. 2c shows in horizontal section through the plane AA of Fig. 2b the cross-section of the central area 4.2 at its narrowest point.
  • Fig. 3a also shows a schematic longitudinal section of an embodiment of the plug pin 1.3 according to the invention with a central region 4.3, which is conically pressed into the plug pin 1.3.
  • the conically shaped central region 4.3 tapers from the connection end 2 to the socket-side contact end 3 in order to facilitate the insertion of the power cord of a plug cable - both of which are not shown in the drawing.
  • the side view of the pin 1.3 in Fig. 3b as well as in Fig. 3c shown cross section of the central region 4.3 Fig. 3b illustrate the fluid-tight barrier produced by the conical shape of the central region 4.3 between the connection end 2 and the socket-side contact end 3 of the connector pin 1.3.
  • Fig. 4a shows a longitudinal section of an embodiment of the connector pin 1.4 according to the invention, in which the central region 4.4 is pressed into the connector pin 1.4 spherically.
  • Fig. 4b provides the to the embodiment of Fig. 4a associated side view and Fig. 4c again the cross-section of the central area 4.4 Fig. 4b ,
  • a second production step (b) the initially hollow cross-section in the central region 4 of the hollow blank 1 "is compressed by concentric pressing, rolling or tapering radially to the longitudinal axis of the hollow blank 1" such that the central region 4 of the compressed blank 1 "'plastic fluid-tight and is at least partially solid without continuous cavity between the connection end 2 and steckdosen wornem contact end 3 is formed.
  • a plug pin 1 according to the invention for establishing an electrical contact between a power cord of a Plug cable and a socket contact arises.
  • the forming tool used in the first production step (a) for producing the hollow blank 1 "from the solid metallic blank 1 'still has a punch end section at the axial height of the connecting end 2 in the cavity the hollow blank 1 ", while the hollow blank 1" is subjected to a concentric pressing, rolling or tapering at the axial height of the later central region 4 of the resulting compressed blank 1 '"radially to the axis.
  • the stamp end of the tool can then act as an abutment in the radial deformation and solidification of the central region 4 taking place in the third production step (c).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (15)

  1. Broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) conçue pour établir un contact électrique entre le contact d'une prise et un brin de connexion au réseau d'un câble enfichable, ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) comprenant un axe longitudinal (a), une extrémité de raccordement (2) dévolue à la jonction électrique avec ledit brin de connexion au réseau, et une région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) électriquement conductrice, qui part de ladite extrémité de raccordement (2) et gagne une extrémité de contact (3) située côté prise, sachant que l'extrémité de raccordement (2) est réalisée sous la forme d'une extrémité creuse sertie (2a), et sachant que ladite extrémité de raccordement (2), et au moins une partie de ladite extrémité de contact (3) située côté prise, présentent une réalisation creuse venue d'emboutissage profond ou de mise en forme par extrusion,
    caractérisée par le fait
    que la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) est ménagée par resserrement, roulage ou amenuisement concentrique de parties de la paroi de ladite région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4), avec étanchéité aux matières plastiques fluides dans le sens radial, par rapport à l'axe, et est de réalisation massive au moins par zones, avec absence de cavité continue entre l'extrémité de raccordement (2) et l'extrémité de contact (3) située côté prise.
  2. Broche enfichable selon la revendication 1, caractérisée par le fait que la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) présente une longueur axiale de 3 mm à 8 mm, de préférence une longueur axiale d'environ 5 mm, et offre sur une longueur axiale de 1 mm à 3 mm, de préférence sur une longueur axiale d'environ 2 mm, une réalisation massive exempte de cavité continue entre l'extrémité de raccordement (2) et l'extrémité de contact (3) située côté prise.
  3. Broche enfichable selon la revendication 1 ou 2, caractérisée par le fait que la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) offre une longueur axiale représentant de 10% à 20%, de préférence une longueur axiale représentant environ 15% de la longueur axiale totale de ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4), et offre sur une longueur axiale représentant de 5% à 10%, de préférence sur une longueur axiale représentant environ 7% de ladite longueur axiale totale de ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4), une réalisation massive exempte de cavité continue entre l'extrémité de raccordement (2) et l'extrémité de contact (3) située côté prise.
  4. Broche enfichable selon l'une des revendications précédentes, caractérisée par le fait que la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) comporte sur son pourtour extérieur, sur la longueur axiale respective du ou des tronçon(s) doté(s) d'une réalisation massive exempte de cavité continue, au moins un rétrécissement de section transversale atteignant de 25% à 75%, de préférence environ les 2/3 de la section transversale des tronçons restants de ladite région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4).
  5. Broche enfichable selon l'une des revendications 1 à 4, caractérisée par le fait que la région médiane (4.1) est comprimée dans le sens radial, transversalement par rapport à l'axe longitudinal (a) de ladite broche enfichable (1.1).
  6. Broche enfichable selon l'une des revendications 1 à 4, caractérisée par le fait que la région médiane (4.2) est torsadée en forme d'hélice autour de l'axe longitudinal (a) de ladite broche enfichable (1.2).
  7. Broche enfichable selon l'une des revendications 1 à 4, caractérisée par le fait que la région médiane (4.3) présente un resserrement tronconique sur ladite broche enfichable (1.3), ladite région médiane (4.3) de configuration tronconique s'amenuisant, de préférence, depuis l'extrémité de raccordement (2) jusqu'à l'extrémité de contact (3) située côté prise.
  8. Broche enfichable selon l'une des revendications 1 à 4, caractérisée par le fait que la région médiane (4.4) présente un resserrement cambré sur ladite broche enfichable (1.4).
  9. Broche enfichable selon l'une des revendications précédentes, caractérisée par le fait que la région médiane comprend plusieurs rétrécissements radiaux de section transversale, en succession axiale le long de l'axe longitudinal de ladite broche enfichable.
  10. Broche enfichable selon l'une des revendications précédentes, caractérisée par le fait que l'extrémité de contact (3), située côté prise, présente une longueur axiale de 10 mm à 50 mm, de préférence d'environ 20 mm, ainsi qu'une cavité continue sur une longueur axiale de 5 mm à 48 mm, de préférence sur une longueur axiale d'environ 18 mm.
  11. Broche enfichable selon l'une des revendications précédentes, caractérisée par le fait que l'extrémité de contact (3), située côté prise, offre une longueur axiale représentant de 50% à 80%, de préférence une longueur axiale représentant environ les 2/3 de la longueur axiale totale de ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4), ainsi qu'une cavité continue sur une longueur axiale représentant de 35% à 75%, de préférence sur une longueur axiale représentant environ 60% de ladite longueur axiale totale de ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4).
  12. Pont connecteur muni d'au moins une broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) conforme à l'une des revendications précédentes, caractérisé par le fait que ledit pont connecteur inclut une platine de base (5) en un matériau thermoplastique, de préférence en une matière plastique difficilement inflammable dans laquelle au moins une broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) est intégrée par coulée, l'épaisseur de ladite platine de base (5) correspondant, pour l'essentiel, à la longueur axiale de la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) de ladite broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) à présence minimale.
  13. Pont connecteur selon la revendication 12, caractérisé par le fait qu'un coupe-circuit électrique est prévu à l'encontre d'une circulation de courant trop intense.
  14. Procédé de fabrication d'une broche enfichable (1 ; 1.1 ; 1.2 ; 1.3 ; 1.4) conforme à l'une des revendications 1 à 11, dotée d'une extrémité de raccordement (2) dévolue à la jonction électrique avec un brin de connexion au réseau, et une région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) électriquement conductrice, qui part de ladite extrémité de raccordement (2) et gagne une extrémité de contact (3) située côté prise,
    caractérisé par le fait
    que, lors d'une première étape de fabrication (a), une ébauche creuse (1") est produite à partir d'une ébauche métallique massive (1'), par une déformation telle qu'un emboutissage profond ou une mise en forme par extrusion,
    que, lors d'une deuxième étape de fabrication (b), la section transversale initialement creuse est comprimée dans la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) de ladite ébauche creuse (1"), par resserrement, roulage ou amenuisement concentrique dans le sens radial, par rapport à l'axe de ladite ébauche creuse (1"), de façon telle que la région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) de l'ébauche comprimée (1"') offre une réalisation étanche aux matières plastiques fluides et massive, au moins par zones, avec absence de cavité continue entre l'extrémité de raccordement (2) et l'extrémité de contact (3) située côté prise
    et que, lors d'une troisième étape de fabrication (c), l'extrémité creuse (2) de raccordement de ladite ébauche comprimée (1"') est ensuite façonnée sous la forme d'une extrémité sertie (2a), par roulage, estampage ou découpage, donnant ainsi naissance à une broche enfichable (1) conçue pour établir un contact électrique entre le contact d'une prise et un brin de connexion au réseau d'un câble enfichable.
  15. Procédé selon la revendication 14, caractérisé par le fait qu'au moins au début de la deuxième étape de fabrication (b), l'outil de mise en forme utilisé lors de la première étape de fabrication (a), pour produire l'ébauche creuse (1") à partir de l'ébauche métallique massive (1'), porte encore contre la hauteur axiale de l'extrémité de raccordement (2) dans la cavité de ladite ébauche creuse (1"), par la région extrême d'un poinçon, alors même que ladite ébauche creuse (1") est soumise à un resserrement, à un roulage ou à un amenuisement concentrique dans le sens radial, par rapport à l'axe, sur la hauteur axiale de la future région médiane (4 ; 4.1 ; 4.2 ; 4.3 ; 4.4) de l'ébauche comprimée (1"') en cours de formation.
EP14166028.2A 2013-05-03 2014-04-25 Broche creuse partiellement pleine Active EP2800205B1 (fr)

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DE202013101939U DE202013101939U1 (de) 2013-05-03 2013-05-03 Teil-massiver Hohlstift

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CN106299827B (zh) * 2016-10-20 2019-01-18 浙江恒达高电器有限公司 插座及其装配方法

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