EP0114187A2 - Double flat spring contact with overspring - Google Patents
Double flat spring contact with overspring Download PDFInfo
- Publication number
- EP0114187A2 EP0114187A2 EP83109173A EP83109173A EP0114187A2 EP 0114187 A2 EP0114187 A2 EP 0114187A2 EP 83109173 A EP83109173 A EP 83109173A EP 83109173 A EP83109173 A EP 83109173A EP 0114187 A2 EP0114187 A2 EP 0114187A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- double flat
- arms
- spring contact
- flat spring
- 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
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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
-
- 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
-
- 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 relates to an electrical double flat spring contact with a spring.
- Electrical double flat spring contacts are made from stamped sheet metal parts. Inner springs are known, which are arranged between the contact spring arms (DE-PS 24 55 140). An outer spring for a so-called telephone connector is also known. However, this external spring is not suitable for a double flat spring contact.
- the object of the invention is to provide a double flat spring contact with an outer spring, the outer spring made of a stamped sheet metal part. have a relatively uncomplicated shape and should not significantly increase the external dimensions of the double flat spring contact. Furthermore, the outer spring should be able to be easily arranged on the double flat spring contact and securely stored on the double flat spring contact.
- the double flat spring contact 1 which according to the invention can be fitted with an external spring 2, has - viewed from the rear to the front - the insulation claw 3, the conductor wire claw 4, the box-shaped spring arm base 5 with a rectangular cross section and spring arms connected to it.
- the box-shaped spring arm base 5 consists of the bottom 6, the two side walls 7 with the free front edges 7a and the longitudinally divided ceiling parts 8. In the longitudinal center, the edges 9 of the ceiling parts 8 are arranged at a distance from one another, so that a slot 10 results.
- a spring arm 11 extends forward from each ceiling part 8. The spring arms are spaced in the longitudinal center around the width of the slot 10, so that the slot 10 continues unchanged towards the front.
- the spring arms 12 are arranged congruently below the spring arms 11 and are connected to the base 6 (therefore not visible in FIG. 1).
- the spring arms 11 and 12 are bent downward in the bending lines 13 so that they converge and touch in the bending line 14 ... From there, the end regions 15 diverge to form an insertion funnel 16 (FIG. 8).
- each ceiling part 8 It is essential that an angle, preferably a right angle, is cut out in each ceiling part 8, so that there is a cutout longitudinal edge 8a and a cutout transverse edge 8b, the function of which is described below.
- the outer spring 2 is symmetrical about the axis 17 built (Fig. 2) and each has the lower bracket arms 18 and the upper bracket arms 19, which are arranged at a distance from each other on the spring arm base 20.
- the spring arm base 20 is divided by the bending line 21, 22 into the bottom section 23, the side wall sections 24 and the top wall sections 25.
- a slot 26 is provided between the bracket arms 18, which corresponds to the width of the slot 10 of the double flat spring contact.
- a latching tongue 27 is cut out in the spring arm base 20 up to the rear edge 28 of the spring arm base 20.
- Running parallel to the front edge 29 of the side wall sections 24 is an average 30, so that a narrow locking strip 31 results.
- the outer edges 32 of the spring arm base 20 there is a short incision 31 running parallel to the rear edge 28, from which tabs 34 result.
- the outer spring 2 is bent around the bending line 21 and 22, so that there is a box-shaped outer spring arm base 20 with a rectangular cross section (FIGS. 3 to 6).
- the outer edges 32 lie opposite one another at a distance from the width of the slot 26.
- the spring clip arms 18, 19 are bent inwards so that they converge towards one another, but the ends 36 remain at a distance from one another.
- the end regions 36 are expediently bent a little further inwards.
- the tabs 34 are bent inwards with their tip 34a into the box shape of the outer spring arm base 20 and the locking webs 31 are pushed inwards (FIGS. 4, 5 and 6).
- the outer spring 2 is seated on the box-shaped spring arm base 5 of the double flat spring contact 1 according to FIGS. 7 to 10.
- the somewhat longer box shape of the outer spring is seated approximately form-fittingly above the box shape of the double flat spring contact, with the clamp arms 18 and 19 viewed in plan view, parallel to the spring arms 11, 12 of the double flat spring contact.
- Their width suitably corresponds to the width of the spring arms 11, 12. However, they are shorter, so that the clamp arms 18, 19 press shortly before the bending line 14 from the outside onto the spring arms 11, 12 of the double flat spring contact.
- the rear edge 28 of the outer spring 2 terminates with the rear edge 8c of the spring arm base 5 of the double flat spring contact.
- the average 30 is arranged on the length of the base part 20 of the outer spring 2 where the front edges 7a of the side walls 7 of the double flat spring contact are flush and parallel. This ensures that the web 31 engages behind the front edge 7a and prevents the outer spring 2 from being pushed back on the double flat spring contact.
- the incision 32 is made in combination with the average 30 at a point which is flush and parallel to the edge 8a of the respective ceiling part 8. By bending the tip 34a inward, the edge 34b of the outer spring 2 engages behind the edge 8a of the double flat spring contact, so that a displacement of the outer spring 2 to the front is prevented.
- the outer spring 2 made of steel is thus firmly seated on the double flat spring contact.
Abstract
Die Erfindung betrifft einen Doppelflachfederkontakt mit einer Überfeder, wobei der Doppelflachfederkontakt Anschlußelemente für einen elektrischen Leiterdraht aufweist und eine kastenförmige, im Querschnitt rechteckige Federarmbasis mit einem Boden, Seitenwänden und längsgeteilten Deckenteilen besitzt und wobei sich von jedem Deckenteil ein Federarm nach vorne erstreckt und am Boden Federarme angebunden sind, wobei eine Außenüberfeder etwa formschlüssig auf der Federarmbasis sitzt und dort arretiert ist, wobei die Außenüberfeder eine, im Querschnitt rechteckige, kastenförmige Außenüberfederarmbasis aufweist, an die sich nach vorne erstreckend, Überfederklammerarme angebunden sind, die parallel zu den Federarmen des Doppelflachfederkontaktes verlaufen und von außen auf die Federarme drücken.The invention relates to a double flat spring contact with an over-spring, the double flat spring contact having connection elements for an electrical conductor wire and a box-shaped, rectangular in cross-section spring arm base with a bottom, side walls and longitudinally divided ceiling parts and with a spring arm extending forward from each ceiling part and spring arms on the bottom are connected, wherein an outer spring sits approximately form-fitting on the spring arm base and is locked there, the outer spring having a rectangular, cross-section, box-shaped outer spring arm base, to which extending forward, spring spring arms are connected, which run parallel to the spring arms of the double flat spring contact and press the spring arms from the outside.
Description
Die Erfindung betrifft einen elektrischen Doppflachfederkontakt mit einer Überfeder.The invention relates to an electrical double flat spring contact with a spring.
Elektrische Doppelflachfederkontakte sind aus Blechstanzteilen hergestellt. Bekannt sind Innenüberfedern, die zwischen den Kontaktfederarmen angeordnet sind (DE-PS 24 55 140). Bekannt ist ferner eine Außenüberfeder für einen sogenannten Telefonverbinder. Diese Außenüberfeder ist aber für einen Doppelflachfederkontakt nicht geeignet.Electrical double flat spring contacts are made from stamped sheet metal parts. Inner springs are known, which are arranged between the contact spring arms (DE-PS 24 55 140). An outer spring for a so-called telephone connector is also known. However, this external spring is not suitable for a double flat spring contact.
Aufgabe der Erfindung ist, einen Doppelflachfederkontakt mit einer Außenüberfeder zu schaffen, wobei die Außenüberfeder aus einem Blechstanzteil. eine relativ unkomplizierte Form aufweisen und die äußeren Abmessungen des Doppelflachfederkontakts nicht erheblich vergrößern soll. Ferner soll die Außenüberfeder leicht auf dem Doppelflachfederkontakt angeordnet werden können und unverlierbar sicher auf dem Doppelflachfederkontakt lagern.The object of the invention is to provide a double flat spring contact with an outer spring, the outer spring made of a stamped sheet metal part. have a relatively uncomplicated shape and should not significantly increase the external dimensions of the double flat spring contact. Furthermore, the outer spring should be able to be easily arranged on the double flat spring contact and securely stored on the double flat spring contact.
Diese Aufgabe wird durch die Merkmale des Hauptanspruchs gelöst. Zweckmäßige Ausführungsformen der Erfindung sind in den Unteransprüchen gekennzeichnet. Anhand der Zeichnung wird die Erfindung im folgenden beispielhaft näher erläutert. Es zeigen:
- Fig. 1 eine Draufsicht auf den Doppelflachfederkontakt ohne Außenüberfeder,
- Fig. 2 eine Draufsicht auf die Platine der Außenüberfeder,
- Fig. 3 eine Draufsicht auf die Außenüberfeder ohne Doppelflachfederkontakt,
- Fig. 4 eine Seitenansicht der Außenüberfeder ohne Doppelflachfederkontakt,
- Fig. 5 einen Querschnitt durch die Außenüberfeder ohne Doppelflachfederkontakt entlang der Linie A-B in Fig. 3,
- Fig. 6 eine Vorderansicht der Außenüberfeder ohne Doppelflachfederkontakt,
- Fig. 7 eine Draufsicht auf den Doppelflachfederkontakt mit Außenüberfeder,
- Fig. 8 eine Seitenansicht des Doppelflachfederkontakts mit Außenüberfeder,
- Fig. 9 einen Querschnitt entlang der Linie A-B in Fig. 8 (ohne Krallen),
- Fig..10 einen Querschnitt entlang der Linie C-D in Fig. 8 (ohne Krallen).
- 1 is a plan view of the double flat spring contact without external spring,
- 2 is a plan view of the board of the outer spring,
- 3 is a plan view of the outer spring without double flat spring contact,
- 4 is a side view of the outer spring without double flat spring contact,
- 5 shows a cross section through the outer spring without double flat spring contact along the line AB in FIG. 3,
- 6 is a front view of the outer spring without double flat spring contact,
- 7 is a plan view of the double flat spring contact with external spring,
- 8 is a side view of the double flat spring contact with external spring,
- 9 shows a cross section along the line AB in FIG. 8 (without claws),
- Fig. 10 shows a cross section along the line CD in Fig. 8 (without claws).
Der Doppelflachfederkontakt 1, der erfindungsgemäß mit einer Außenüberfeder 2 bestückbar ist, weist - von hinten nach vorne betrachtet - die Isolationskralle 3, die Leiterdrahtkralle 4, die kastenförmige, im Querschnitt rechteckige Federarmbasis 5 und daran angebundene Federarme auf. Die kastenförmige Federarmbasis 5 besteht aus dem Boden 6, den beiden Seitenwänden 7 mit den freien Vorderkanten 7a und aus den längsgeteilten Deckenteilen 8. In der Längsmitte sind die Kanten 9 der Deckenteile 8 auf Abstand voneinander angeordnet, so daß sich ein Schlitz 10 ergibt. Von jedem Deckenteil 8 erstreckt sich nach vorne ein Federarm 11. Die Federarme befinden sich in der Längsmitte um die Breite des Schlitzes 10 auf Abstand, so daß sich der Schlitz 10 nach vorne unverändert fortsetzt. Deckungsgleich unterhalb der Federarme 11 sind die Federarme 12 angeordnet, die an den Boden 6 angebunden sind (in Fig. 1 daher nicht sichtbar). Die Federarme 11 und 12 sind in den Biegelinien 13 nach unten abgebogen, so daß sie aufeinander zulaufen und sich in der Biegelinie 14 berühren...Von dort laufen die Endbereiche 15 zur Bildung eines Einführtrichters 16 divergierend auseinander (Fig. 8).The double flat spring contact 1, which according to the invention can be fitted with an external spring 2, has - viewed from the rear to the front - the
Wesentlich ist, daß in jedem Deckenteil 8 ein Winkel, vorzugsweise ein rechter Winkel, ausgeschnitten ist, so daß sich jeweils eine Ausschnittlängskante 8a und eine Ausschnittquerkante 8b ergeben, deren Funktion weiter unten beschrieben wird..It is essential that an angle, preferably a right angle, is cut out in each
Die Außenüberfeder 2 ist zur Achse 17 symmetrisch aufgebaut (Fig. 2) und weist jeweils die unteren Klammerarme 18 und die oberen Klammerarme 19 auf, die im Abstand voneinander an der Überfederarmbasis 20 angeordnet sind. Die Überfederarmbasis 20 wird durch die Biegelinie 21, 22 in den Bodenabschnitt 23, die Seitenwandabschnitte 24 und die Deckenwandabschnitte 25 unterteilt. Zwischen den Klammerarmen 18 ist ein Schlitz 26 vorgesehen, der der Breite des Schlitzes 10 des Doppelflachfederkontakts entspricht. In Verlängerung der Schlitze 26 ist in der Überfederarmbasis 20 eine Rastzunge 27 bis zur Hinterkante 28 der Überfederarmbasis 20 freigeschnitten. Parallel zur Vorderkante 29 der Seitenwandabschnitte 24 verlaufend ist ein Durchschnitt 30 eingebracht, so daß sich ein schmaler Arretierstreifen 31 ergibt. Zudem befindet sich in den Außenkanten 32 der Überfederarmbasis 20 ein parallel zur Hinterkante 28 verlaufender kurzer Einschnitt 31, woraus Lappen 34 resultieren.The outer spring 2 is symmetrical about the
Die Außenüberfeder 2 ist um die Biegelinie 21 und 22 gebogen, so daß sich eine im Querschnitt rechteckige, kastenförmige Außenüberfederarmbasis 20 ergibt (Fig. 3. bis 6). Dabei liegen sich die Außenkanten 32 im Abstand der Breite des Schlitzes 26 gegenüber. In der Biegelinie 35 sind die Überfederklammerarme 18, 19 einwärts abgebogen, so daß sie aufeinander zulaufen, wobei jedoch die Enden 36 in Abstand voneinander bleiben..In der Knicklinie 37 sind die Endbereiche 36 zweckmäßigerweise nochmals etwas nach einwärts abgeknickt.The outer spring 2 is bent around the
Nach der Erfindung sind die Lappen 34 mit ihrer Spitze 34a in die Kastenform der Außenüberfederarmbasis 20 einwärts abgebogen und die Arretierstege 31 nach innen durchgedrückt (Fig. 4, 5 und 6).According to the invention, the
Die Außenüberfeder 2 sitzt auf der kastenförmigen Federarmbasis 5 des Doppelflachfederkontakts 1 gemäß den Fig. 7 bis 10. Dabei sitzt die etwas länger ausgeführte Kastenform der Außenüberfeder etwa formschlüssig über der Kastenform des Doppelflachfederkontakts, wobei die Klammerarme 18 und 19 in der Draufsicht betrachtet, parallel zu den Federarmen 11, 12 des Doppelflachfederkontakts verlaufen. Ihre Breite entspricht zweckmäßigerweise der Breite der Federarme 11, 12. Sie sind jedoch kürzer ausgeführt, so daß die Klammerarme 18, 19 kurz vor der Biegelinie 14 von außen auf die Federarme 11, 12 des Doppelflachfederkontakts drücken. Die Hinterkante 28 der Außenüberfeder 2 schließt mit der Hinterkante 8c der Federarmbasis 5 des Doppelflachfederkontakts ab. Der Durchschnitt 30 ist auf der Länge des Basisteils 20 der Außenüberfeder 2 dort angeordnet, wo sich die Vorderkanten7a der Seitenwände 7 des Doppelflachfederkontakts fluchtend und parallel verlaufend befinden. Dadurch wird gewährleistet,daß der Steg 31 die Vorderkante 7a hintergreift und ein Zurückschieben der Außenüberfeder 2 auf dem Doppelflachfederkontakt verhindert wird. Der Einschnitt 32 ist in Kombination mit dem Durchschnitt 30 an einer Stelle eingebracht, die fluchtend und parallel zur Kante 8a des jeweiligen Deckenteils 8 verläuft. Durch das Einwärtsbiegen der Spitze 34a hintergreift die Kante 34b der Außenüberfeder 2 die Kante 8ä des Doppelflachfederkontakts, so daß eine Verschiebung der Außenüberfeder 2 nach vorne verhindert ist. Die Außenüberfeder 2 aus Stahl sitzt somit fest auf dem Doppelflachfederkontakt.The outer spring 2 is seated on the box-shaped
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3248078A DE3248078C2 (en) | 1982-12-24 | 1982-12-24 | Double flat spring contact with overspring |
DE8236405U DE8236405U1 (en) | 1982-12-24 | 1982-12-24 | Double flat spring contact with overspring |
DE3248078 | 1982-12-24 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0114187A2 true EP0114187A2 (en) | 1984-08-01 |
EP0114187A3 EP0114187A3 (en) | 1987-04-29 |
EP0114187B1 EP0114187B1 (en) | 1990-01-31 |
EP0114187B2 EP0114187B2 (en) | 1997-11-12 |
Family
ID=37781872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83109173A Expired - Lifetime EP0114187B2 (en) | 1982-12-24 | 1983-09-16 | Double flat spring contact with overspring |
Country Status (4)
Country | Link |
---|---|
US (1) | US4540235A (en) |
EP (1) | EP0114187B2 (en) |
JP (1) | JPS59123173A (en) |
DE (2) | DE3248078C2 (en) |
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DE891871C (en) * | 1943-04-28 | 1953-10-01 | Siemens Ag | Electrical plug connection |
FR1276672A (en) * | 1960-07-26 | 1961-11-24 | Alliance Tech Ind | Electrical contact clamp device |
FR1427747A (en) * | 1963-12-02 | 1966-02-11 | Siemens Ag | elastic element for plug connections |
DE7313792U (en) * | 1973-04-11 | 1974-09-26 | Siemens Ag | Connector |
FR2292349A1 (en) * | 1974-11-21 | 1976-06-18 | Grote & Hartmann | DOUBLE BLADE SPRING CONTACT AND METHOD FOR THE MANUFACTURE OF SUCH A CONTACT |
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SU475699A1 (en) * | 1973-06-29 | 1975-06-30 | Предприятие П/Я М-5038 | Testing device |
DE8010133U1 (en) * | 1980-04-14 | 1980-07-10 | Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal | FLAT SOCKET |
-
1982
- 1982-12-24 DE DE3248078A patent/DE3248078C2/en not_active Expired
- 1982-12-24 DE DE8236405U patent/DE8236405U1/en not_active Expired
-
1983
- 1983-09-16 EP EP83109173A patent/EP0114187B2/en not_active Expired - Lifetime
- 1983-11-14 US US06/551,117 patent/US4540235A/en not_active Expired - Lifetime
- 1983-11-30 JP JP58227815A patent/JPS59123173A/en active Granted
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DE891871C (en) * | 1943-04-28 | 1953-10-01 | Siemens Ag | Electrical plug connection |
FR1276672A (en) * | 1960-07-26 | 1961-11-24 | Alliance Tech Ind | Electrical contact clamp device |
FR1427747A (en) * | 1963-12-02 | 1966-02-11 | Siemens Ag | elastic element for plug connections |
DE7313792U (en) * | 1973-04-11 | 1974-09-26 | Siemens Ag | Connector |
FR2292349A1 (en) * | 1974-11-21 | 1976-06-18 | Grote & Hartmann | DOUBLE BLADE SPRING CONTACT AND METHOD FOR THE MANUFACTURE OF SUCH A CONTACT |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0189821A2 (en) * | 1985-01-26 | 1986-08-06 | Delphi Automotive Systems Deutschland GmbH | Electrical double leaf spring contact |
EP0189821A3 (en) * | 1985-01-26 | 1988-06-15 | Kabelwerke Reinshagen Gmbh | Electrical double leaf spring contact |
EP0196367A1 (en) * | 1985-03-26 | 1986-10-08 | Grote & Hartmann GmbH & Co. KG | Box-like formed spring |
EP0352871A2 (en) * | 1985-03-26 | 1990-01-31 | Grote & Hartmann GmbH & Co. KG | Box-like formed spring |
EP0352871A3 (en) * | 1985-03-26 | 1990-03-21 | Grote & Hartmann Gmbh & Co. Kg | Box-like formed spring |
EP0279508A1 (en) * | 1987-02-16 | 1988-08-24 | The Whitaker Corporation | Electrical terminal |
DE9201047U1 (en) * | 1992-01-29 | 1993-06-03 | Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal, De | |
DE4236426A1 (en) * | 1992-10-28 | 1994-05-05 | Grote & Hartmann | Flat connector socket with top spring and locking device for plug pin - enables pin held by resilient tongue against abutment to be released by application of force to end of upturned bar |
EP0600420A1 (en) * | 1992-12-01 | 1994-06-08 | The Whitaker Corporation | Electrical socket terminal |
FR2713833A1 (en) * | 1993-12-15 | 1995-06-16 | Cinch Connecteurs Sa | Female electrical contact member and element of electrical connector housing intended to receive such a member. |
EP0658952A1 (en) * | 1993-12-15 | 1995-06-21 | Connecteurs Cinch | Female electrical contact element and electrical connector housing for receiving such an element |
US5591051A (en) * | 1993-12-15 | 1997-01-07 | Connecteurs Cinch, Societe Anonyme | Female electric contact member and electric connector casing element adapted to receive same |
US5795196A (en) * | 1995-04-06 | 1998-08-18 | The Whitaker Corporation | Contact having an independently supported inner contact arm |
Also Published As
Publication number | Publication date |
---|---|
EP0114187B1 (en) | 1990-01-31 |
DE3248078C2 (en) | 1986-03-27 |
US4540235A (en) | 1985-09-10 |
EP0114187A3 (en) | 1987-04-29 |
JPH0526312B2 (en) | 1993-04-15 |
DE8236405U1 (en) | 1984-10-04 |
EP0114187B2 (en) | 1997-11-12 |
JPS59123173A (en) | 1984-07-16 |
DE3248078A1 (en) | 1984-06-28 |
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