EP1001492B1 - Elektrische Verbindungsvorrichtung - Google Patents

Elektrische Verbindungsvorrichtung Download PDF

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Publication number
EP1001492B1
EP1001492B1 EP99122014A EP99122014A EP1001492B1 EP 1001492 B1 EP1001492 B1 EP 1001492B1 EP 99122014 A EP99122014 A EP 99122014A EP 99122014 A EP99122014 A EP 99122014A EP 1001492 B1 EP1001492 B1 EP 1001492B1
Authority
EP
European Patent Office
Prior art keywords
electrical connection
connection device
profiled section
laminar body
main body
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
EP99122014A
Other languages
English (en)
French (fr)
Other versions
EP1001492A1 (de
Inventor
Danilo Facco
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.)
Viemme Srl
Original Assignee
Viemme Srl
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 Viemme Srl filed Critical Viemme Srl
Publication of EP1001492A1 publication Critical patent/EP1001492A1/de
Application granted granted Critical
Publication of EP1001492B1 publication Critical patent/EP1001492B1/de
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
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section

Definitions

  • the invention concerns an electrical connection device especially suited for use in electric and electronic circuitry.
  • connections that are used in electronic control units for automobiles their construction is based on attempts to strike a balance between as miniaturised a design as possible against the possibility of supporting high density currents and thereby enabling them to carry as high a power as possible.
  • the female device basically consists of a main body B which acts as a base for a basically longitudinal, tubular collar C, whose walls form a socket D where the male contact device is plugged in by a sliding movement, not illustrated in this instance.
  • the tubular collar C includes a U-shaped profiled section E and a laminar body F, which is set parallel to the profiled section E and spaced apart from the facing sides Ea, Eb that define the actual profiled section E.
  • the tubular collar C and the main body B are made from a single piece produced by a boxed construction of blanked and bent sheet metal, where the laminar body F is a single body with the main body B and has a free end Fa.
  • the laminar body F acts as a encased ledge and flexes upwards by bending along a leverage line located on the main body B when the male device, as it is plugged in, presses against the ridge G.
  • the electrical contact is guaranteed by the elastic force exerted by laminar body F as ridge G presses against the male device after it has been plugged into the socket D.
  • Female electrical connection devices produced according to the construction described above when on the one hand offer the advantage of being easy to manufacture and being able to be produced in rather small sizes, on the other hand they have the inconvenience of not being able to develop a sufficiently high pressure against the male device that is plugged into them, at least not enough to allow the passage of intense currents. As a consequence these electrical connections cannot be used to carry high levels of electric power.
  • US 3,836,947 discloses a femal electric receptacle for receiving and making electrical contact with a male electrical terminal, wherein one side of the receptacle is in the form of a resilient leaf spring which engages against a male terminal, said leaf spring having a free terminal end.
  • EP 0694992 discloses a female terminal metal fixture with a resilient contact tongue, the deflection of which occuring when a tab is inserted in said femal terminal, is stopped by bulged restrictive portions provided on right and left walls of the female body.
  • the female connection has one or more contact blades that have an end that is free to flex under the thrust of the male device as it is introduced.
  • Each blade in addition to its end being free to flex, is also bent with the outside curve set against the male device, improving its adherence and thereby guaranteeing greater mechanical stability in the connection and favouring the passage of electric current.
  • the flexible blades are basically equivalent to booms anchored at one end, so they are only capable of creating a somewhat limited contact pressure against the male device. Sometimes this pressure is increased by fitting a stop bar over the blade at about halfway along its length, as can be seen in patent US 3 836 947A, which, by its rigidity, increases the recoil force of the flexible blade against the male device that is plugged in.
  • a stiffening wall is set above it made of a separate part to the body of the female connection, being held together by means of special snap-in clasps made in the edges.
  • This invention intends to overcome all of said limitations.
  • the first scope of the invention is to produce a female electrical connection device that develops, against the male device that is plugged into it, a greater contact pressure than that achieved by known types of female electrical connection devices being equal in size.
  • connection device invention is made of a single body.
  • connection device invention can be made in miniature sizes.
  • connection device invention substantially maintains a constant elasticity through time.
  • an electrical connection device that in accordance with the main claim includes a main body which acts as a base for at least one tubular collar that creates a longitudinal axis and that includes a profiled section and a laminar body flexing elastically against said profiled section, the two being spaced apart and having parallel lengths, suited to form a longitudinal socket which can receive a male electrical connection device plugged in by a push-sliding movement and is characterised in that the end of said laminar body is fixed to said profiled section by anchoring devices so that at least its end is prevented from being raised beyond said profiled section.
  • the main body and the tubular collar are produced by a boxed construction from a single piece of blanked and bent sheet metal, where the profiled section is U-shaped.
  • the laminar body is set parallel to the profiled section and is encased within and spaced apart from the flat edges of the two facing sides that define the actual U-shaped profiled section.
  • laminar body is constructed as a boom anchored at both ends and, when pressing against the male contact device, develops a greater pressure than could be exerted by known types of electrical connection devices being equal in size and where the laminar body has a ledge-type construction.
  • the electrical connection device invention includes a main body 2 which acts as a base for a tubular collar, generally indicated by 3, that creates a longitudinal axis 4 and forms a socket 5 where the male contact device M is plugged in by a sliding and contrasting movement, as can be seen in figures 6 to 8.
  • the central body 2 and the tubular collar 3, constitute a monolithic part since they are made from a single piece of blanked and bent sheet metal that produces the boxed construction of the connection device illustrated in fig. 3.
  • the tubular collar 3 includes a U-shaped profiled section, generally indicated by 6, made of flat sides 6a, 6b, 6c where faces 6a and 6c are two opposite, parallel sides connected perpendicularly to the base 6b.
  • the profiled section may also have forms that differ from the U-shape described herein.
  • top edges 6d, 6e of sides 6a, 6c respectively, are parallel and spaced apart from a laminar body 7 set parallel to the profiled section 6 and encases within said U-shaped profiled section.
  • the appropriate thickness of the laminar body 7 and suitable material used in its construction make it flexible.
  • said laminar body 7 is withheld at its end 7a by anchoring devices suited to prevent at least the end 7a itself from being raised beyond said profiled section 6.
  • anchoring devices consist of two tabs 8, 9 belonging to the side faces 6a and 6c respectively of the profiled section 6, which are turned over the laminar body 7 and prevent it from being raised beyond the profiled section 6.
  • the profiled section 6 may have ribbing and/or grooving suited to firmly anchor the end 7a of laminar body 7 so that any kind of movement is prevented.
  • end 7a of laminar body 7 may even be welded to the profiled section 6.
  • the laminar body 7 As regards the laminar body 7, it can be seen in fig.'s 4 and 5 that halfway along its length it has a drawing 10 having a convex surface 11 bent towards the inside of the socket 5 which presses against the male contact device M when this is plugged into the actual socket 5.
  • the laminar body 7 presents itself basically as a boom that has one end locked by the main body 2 and its opposite end 7a anchored to the profiled section 6 by tabs 8 and 9, contrary to contact devices belonging to known technology described in the aforementioned patents, where the laminar body is instead constructed as a locked boom with its end free and therefore basically as a ledge.
  • the male contact device M When the male contact device M, as can be seen in figures 6 to 8, is plugged into the socket 5 of the tubular collar 3, it presses against the convex surface 11 of the drawing 10 and pushes the laminar body 7 upwards in the vertical direction indicated in fig. 7 by arrow 12. In fact the distance 13 between the convex surface 11 and the longitudinal ribbing 14, 15 made on base face 6b of the profiled section 6, is less than the thickness 16 of the male device M.
  • the level of force F depends on the deflection flexed by the laminar body F, which in turn depends on the difference between thickness 16 of the male device M and the distance 13 between the convex surface 11 and the longitudinal ribbing 14, 15 of the profiled section 6 which receives it.
  • laminar body 7 that can be considered as a boom anchored at both ends, against male device M creates a higher compression force F than that exerted by the known type of connection illustrated in fig. 1 having the same length and where the laminar body F flexes to create the same deflection.
  • connection device invention can also be produced according to the different forms of execution that are described below.
  • FIG. 9 A variant in execution can be seen in fig. 9 where it is generally indicated by 20 and differs from the connection described earlier for the existence of a pair of tubular collars 3 of the kind described earlier, equal in size or even different, arranged at opposite ends of the main body 2.
  • the electrical connection device generally indicated by 30, includes a single tubular collar 3 and a male laminar body 31, arranged on opposite ends of the central body 2.
  • the electrical connection device generally indicated by 40, includes a tubular collar 3 and a clamp piece for electric cable, generally indicated by 41 and arranged on opposite ends of the central body 2.
  • connection device is generally indicated by 50 and where it can be seen that it includes a tubular collar 3 and a contact piece for printed circuits, generally indicated by 51, arranged on opposite ends of the central body 2.
  • contact piece for printed circuits 51 consists of a bar 52 having a prismatic section, bent towards the longitudinal axis 53 of the tubular collar 3 and with narrowing 54 at its end.
  • the anchoring devices at the end 61a of the laminar body 61 consist of a ring 62 that anchors the outside of end 61a of the laminar body 61 to the U-shaped profiled section 63.
  • the ring 62 can be attached or can belong to the profiled section 63.
  • connection device invention has been described with reference to the attached diagrams, it may also be constructed according to variants in execution that have not been described herein, which nevertheless fall under the inventive concept stated by the claims below and shall therefore be protected by this patent.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Cable Accessories (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (13)

  1. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60), einen Hauptkörper (2) umfassend, aus dem wenigstens ein röhrenförmiger Bund (3; 62) mit länglicher Achse (4; 53) herausragt sowie einen Profilabschnitt (6) und einen Lamellenkörper (7) umfassend, der sich elastisch gegen den Profilabschnitt (6) biegt, wobei beide voneinander getrennt und an der länglichen Achse (4) entlang parallel angeordnet sind, dazu geeignet, einen länglichen Sockel (5) zu bilden, in welchen die Steckkontaktvorrichtung (M) eingesteckt wird durch eine gleitende und kontrastierende Bewegung, dadurch gekennzeichnet, dass das Ende (7a; 61a) des Lamellenkörpers (7) am Profilabschnitt (6; 63) befestigt ist durch Verankerungsvorrichtungen (8; 9; 62), welche zumindest das Ende (7a; 61a) davor bewahren, über den Profilabschnitt (6; 63) hinaus angehoben zu werden.
  2. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60) nach Patentanspruch 1), dadurch gekennzeichnet, dass der Hauptkörper (2) und wenigstens einer der röhrenförmigen Bunde (3) eine kastenförmige Konstruktion aus gestanztem und gebogenem Blech bilden.
  3. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60) nach Patentanspruch 1), dadurch gekennzeichnet, dass der Profilabschnitt (6; 63) U-förmig ist und aus einem Paar im wesentlichen flacher, paralleler Seiten (6a, 6c) besteht, die mit einer lotrechten Basis (6b) verbunden sind.
  4. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60) nach Patentanspruch 1), dadurch gekennzeichnet, dass die Verankerungsvorrichtungen (8; 9; 62) des Endes (7a; 61a) des Lamellenkörpers (7; 61) zum Profilabschnitt (6; 63) gehören.
  5. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50) nach Patentanspruch 3), dadurch gekennzeichnet, dass die Verankerungsvorrichtungen aus zwei gegeneinander wirkenden Laschen (8, 9) bestehen, die jeweils zu einer der im wesentlichen flachen Seiten (6a; 6c) gehören, welche einander gegenüberliegen und die U-Form des Profilabschnitts (6) bilden.
  6. Elektrische Verbindungseinrichtung (60) nach Patentanspruch 4), dadurch gekennzeichnet, dass die Verankerungsvorrichtungen aus einem Ringstück (62) bestehen, welches zum Profilabschnitt (63) gehört und die Außenfläche des Endes (61a) des Lamellenkörpers (61) umgibt.
  7. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60) nach Patentanspruch 1), dadurch gekennzeichnet, dass der Lamellenkörper (7; 61) wenigstens eine Vertiefung (10) aufweist mit einer konvexen Seite (11), die sich zum Inneren des Sockels (5) hin krümmt, dazu geeignet, einen Kontakt mit der Oberfläche der Steckkontaktvorrichtung (M) zu erzeugen, der in den Sockel (5) gesteckt wird.
  8. Elektrische Verbindungseinrichtung (1; 20; 30; 40; 50; 60) nach Patentanspruch 2), dadurch gekennzeichnet, dass die Basisseite (6b) des Profilabschnitts (6; 62) eine oder mehrere, zueinander und zur Längsachse (4; 53) des Profilabschnitts parallele Längsrippen (14, 15) aufweist.
  9. Elektrische Verbindungseinrichtung (20) nach Patentanspruch 1), dadurch gekennzeichnet, dass sie ein Paar der röhrenförmigen Bünde (3) umfasst, die an einander entgegengesetzten Enden des Hauptkörpers (2) angeordnet sind.
  10. Elektrische Verbindungseinrichtung (40) nach Patentanspruch 1), dadurch gekennzeichnet, dass sie einen röhrenförmigen Bund (3) umfasst und wenigstens ein Klemmstück (41) für Stromkabel, angeordnet an einander entgegengesetzten Enden des Hauptkörpers (2).
  11. Elektrische Verbindungseinrichtung (30) nach Patentanspruch 1), dadurch gekennzeichnet, dass sie einen röhrenförmigen Bund (3) umfasst und wenigstens ein Steckblatt (31), angeordnet an einander entgegengesetzten Enden des Hauptkörpers (2).
  12. Elektrische Verbindungseinrichtung (50) nach Patentanspruch 1), dadurch gekennzeichnet, dass sie einen röhrenförmigen Bund (3) umfasst und wenigstens ein Kontaktglied (51) für Druckschaltungen, angeordnet an einander entgegengesetzten Enden des Hauptkörpers (2).
  13. Elektrische Verbindungseinrichtung (50) nach Patentanspruch 12), dadurch gekennzeichnet, dass wenigstens eines der Kontaktglieder (51) für Druckschaltungen aus wenigstens einer Stange (52) mit prismatischem Querschnitt besteht, welche zur Längsachse (53) des röhrenförmigen Bunds (3) gebogen ist und an ihrem Ende eine Verengung (54) aufweist.
EP99122014A 1998-11-12 1999-11-11 Elektrische Verbindungsvorrichtung Expired - Lifetime EP1001492B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVI980221 1998-11-12
IT1998VI000221A IT1302459B1 (it) 1998-11-12 1998-11-12 Elemento di connessione elettrica.

Publications (2)

Publication Number Publication Date
EP1001492A1 EP1001492A1 (de) 2000-05-17
EP1001492B1 true EP1001492B1 (de) 2002-09-18

Family

ID=11426847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122014A Expired - Lifetime EP1001492B1 (de) 1998-11-12 1999-11-11 Elektrische Verbindungsvorrichtung

Country Status (4)

Country Link
EP (1) EP1001492B1 (de)
AT (1) ATE224590T1 (de)
DE (1) DE69902982T2 (de)
IT (1) IT1302459B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2211425A1 (de) * 2009-01-23 2010-07-28 MTA S.p.A. Elektrische Buchsenklemme
JP7435329B2 (ja) * 2020-07-14 2024-02-21 住友電装株式会社 端子金具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363224A (en) * 1965-10-22 1968-01-09 Amp Inc Electrical connector
US3836947A (en) * 1973-02-23 1974-09-17 Amp Inc Electrical contact receptacle with helper spring
DE3882983D1 (de) * 1988-08-05 1993-09-09 Weidmueller Interface Buchsenkontakt.
DE9308142U1 (de) * 1993-05-27 1994-10-13 Siemens Ag Flachfederkontakt für eine Steckverbindung
IT1261615B (it) * 1993-10-18 1996-05-23 Framatome Connectors Italia Terminale elettrico femmina
US5630738A (en) * 1994-07-21 1997-05-20 Sumitomo Wiring Systems, Ltd. Female terminal, metal fixture
FR2740266B1 (fr) * 1995-10-20 1997-11-28 Cinch Connecteurs Sa Dispositif de raccordement de deux languettes males d'organes de contacts electriques

Also Published As

Publication number Publication date
EP1001492A1 (de) 2000-05-17
DE69902982T2 (de) 2003-04-30
DE69902982D1 (de) 2002-10-24
IT1302459B1 (it) 2000-09-05
ITVI980221A1 (it) 2000-05-12
ATE224590T1 (de) 2002-10-15

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