EP0574567A1 - Blade contact for electric plugs. - Google Patents

Blade contact for electric plugs.

Info

Publication number
EP0574567A1
EP0574567A1 EP93901707A EP93901707A EP0574567A1 EP 0574567 A1 EP0574567 A1 EP 0574567A1 EP 93901707 A EP93901707 A EP 93901707A EP 93901707 A EP93901707 A EP 93901707A EP 0574567 A1 EP0574567 A1 EP 0574567A1
Authority
EP
European Patent Office
Prior art keywords
tabs
section
sections
contact
forming
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
Application number
EP93901707A
Other languages
German (de)
French (fr)
Other versions
EP0574567B1 (en
Inventor
Guntram May
Helmut Steinhardt
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.)
Framatome Connectors Daut and Rietz GmbH and Co KG
Original Assignee
TRW Daut and Rietz GmbH and Co KG
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 TRW Daut and Rietz GmbH and Co KG filed Critical TRW Daut and Rietz GmbH and Co KG
Publication of EP0574567A1 publication Critical patent/EP0574567A1/en
Application granted granted Critical
Publication of EP0574567B1 publication Critical patent/EP0574567B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4364—Insertion of locking piece from the front
    • 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
    • H01R13/05—Resilient pins or blades
    • H01R13/055—Resilient pins or blades co-operating with sockets having a rectangular transverse 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
    • 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

Definitions

  • the invention relates to a knife contact for electrical connectors with a strip-shaped contact part, a support body which can be fixed to the connector housing and with crimp attachments for fixing an electrical conductor and its insulating jacket on the knife contact.
  • a known knife contact has a contact part with a fastening recess with transversely projecting gates which are folded back over part lengths. Due to the fastening recess, this knife contact is mechanically unstable and weakened in cross section next to the recesses, as a result of which the current flow is adversely affected. In addition, the knife contact is not capable of miniaturization.
  • Another known contact is to create a supporting body over a partial length by means of an attachable box-shaped sheet metal part which can be fixed to the contact part by means of tongue-shaped gates which can be bent into recesses in the contact part. Apart from the fact that the shaped sheet metal part acting as a support body can only be produced in a complex manner, the shaped sheet metal part does not act securely for fixing the knife contact.
  • this object is achieved by a sheet metal blank with a substantially rectangular section extending over part of the length thereof to form the contact part and a tab projecting beyond the section on both sides to form the support body, and tabs lying in series with the section and projecting laterally therefrom for the formation of
  • the knife contact can be formed by simple bending operations from a single sheet metal blank, which results in a simple design and advantageous implementability of the knife contact in terms of tool technology and also ensures exact positional security of the same in the plug housing.
  • the knife contact is characterized by a mechanical robustness, which allows the use of materials of lower strength, but higher electrical conductivity. Finally, the flow of current in the knife contact is unimpeded by dispensing with fastening cutouts.
  • the flaps preferably have partial sections on the arc sections adjoining the section forming the contact part and flat sections adjoining them, the arc sections and the flat sections of the tabs forming the section of the sheet metal blank forming the contact part parallel to the fold line plane tower over.
  • the arc sections are designed in such a way that the section forming the contact part in the region of the tabs and the tabs forming the support body have a substantially meandering cross section transverse to the plugging direction. There is the possibility here of leading the support body to the contact part with any width by means of corresponding radii on the arc sections.
  • the flat portions of the tabs either extend parallel to one another or are designed to extend obliquely towards the free end.
  • the tabs can be completely or sectionally rigid or resilient, so that the knife contact with the tabs can be inserted and held in the connector housing under prestress, if necessary.
  • the free ends of the two sections can preferably have bends facing each other over approximately half their axial length.
  • the arch sections have at least one indentation or indentation serving as stiffening, for example a bead. This prevents unintentional bending of the tabs, for example when inserting the knife contact in the connector housing.
  • the tabs can have recesses in the area of the arch sections and / or over part-width sections of the flat sections.
  • FIG. 1 shows a connector housing with a knife contact in section
  • FIG. 2 shows a knife contact in perspective
  • FIG. 3 shows a knife contact in side view
  • FIG. 4 a top view of a knife contact.
  • FIG. 5 a partial section of a knife contact in FIG.
  • FIG. 8 a sheet metal blank for a knife contact in plan view
  • FIG. 9 a section of a knife contact in the area of the plug end in side view, enlarged.
  • 1 denotes a connector housing for receiving knife contacts 2.
  • the individual knife contact 2 has a contact part 3, a support body 4 for the purpose of axially fixing the knife contact 2 in the plug housing 1 and crimp attachments 5 and 6.
  • the knife contact 2 is formed by a single sheet metal blank 7 (FIG. 8), which over partial lengths has a substantially rectangular section 8 for forming the contact part 3 and section 8 laterally projecting tabs 9, 10 and 11 for forming support bodies 4 and
  • the sheet metal blank 7 is folded with the section 8 along a fold line 12 over the length of the knife contact 2 and the support body 4 with the flaps 9 extending to both sides of the fold line 12 by 180 * .
  • the lobes 9 forming the support body 4 are, as illustrated in FIG. 2, bent back over curved sections 9 ', which results in an essentially meandering cross-section in the region of the support body 4 through the contact part 3 and the tab 9 (FIG. 5). .
  • the curved sections 9 'and the flat sections 9''adjoining the curved sections 9' protrude beyond the contact part 3 parallel to the plane of the fold line, thereby forming support surfaces on the support body which, when the knife contact 2 is inserted into the plug housing 1 with plug housing surfaces at 13 ( Fig.l) come to the plant.
  • the support body 4 can be gripped behind in the connector housing 1 by means of a bendable connector housing-fixed attachment 14 (FIG. 1) which can be fixed in the rear engagement position by means of a clamping body 16 which can be inserted into the connector housing 1.
  • Arch sections 9 1 or the arch sections 9 'and parts of the planar sections 9 1 ' can be provided with beads 15 (FIG. 5) which serve to consolidate the arch sections 9 'and help to prevent the tabs 9 from being accidentally bent back.
  • the curved sections 9 • and the flat sections 9 ′′ of the tabs 9 are provided with cutouts 18 (FIG. 6), which are preferably designed to be trapezoidal. There is the possibility of engaging or supporting an axial fixation of the sensor contact by engaging plug housings (not shown) in the recesses 18.
  • the free ends of the flat sections 9 ′′ are bent over part of their length 9 ′′ ′′ in the direction of the fold line plane 12 and thus form a box-shaped support body 4.
  • This support body 4 is drawn is characterized by great stability. While in the exemplary embodiments shown, the tabs 9 * 'extend essentially plane-parallel to one another, there is also the possibility of the sections 9 r ' of the tabs 9 being inclined outwardly towards the free end and the tabs 9 either being rigid or resilient. An oblique exposition of the sections 9 ′′ enables the compensation of tolerances between the knife contact 2 and the receptacle 19 for the latter in the plug housing 1.
  • the tabs 10 and 11 of the sheet metal blank 7 are positioned at an angle to the fold line plane of the contact part 3 and serve to fix an electrical conductor (not shown) or its insulation.
  • the contact part 3 is, as shown in FIGS. 8 and 9, at the free end of section 8 via a

Abstract

PCT No. PCT/EP92/02954 Sec. 371 Date Aug. 18, 1993 Sec. 102(e) Date Aug. 18, 1993 PCT Filed Dec. 18, 1992 PCT Pub. No. WO93/13572 PCT Pub. Date Jul. 8, 1993.In a blade contact for electric plug connectors with a strip-like contact part, a supporting body securable on the plug casing, and with crimping attachments for securing an electrical conductor and its insulation jacket on the blade contact, the support is made safer while reducing the constructional expenditure, and the flow of current is enhanced by the arrangement of a sheet-metal blank cut to size with a substantially rectangular section extending across partial lengths of said blank for forming the contact part, and with a tab on each side projecting beyond the section of forming the contact part, as well as with tabs disposed in line with the section and projecting laterally beyond the latter for forming crimping attachments, and of which the tabs are bent back outward rearwardly, whereas the tabs for the crimping attachments are set obliquely outward.

Description

Beschreibung description
Messer ontakt für elektrische SteckverbinderKnives in contact for electrical connectors
Die Erfindung betrifft einen Messerkontakt für elek¬ trische Steckverbinder mit einem εtreifenförmigen Kon¬ taktteil, einem am Steckergehäuse fixierbaren Stütz¬ körper und mit Crimpansätzen für die Festlegung eines elektrischen Leiters und dessen Isoliermantel am Mes¬ serkontakt.The invention relates to a knife contact for electrical connectors with a strip-shaped contact part, a support body which can be fixed to the connector housing and with crimp attachments for fixing an electrical conductor and its insulating jacket on the knife contact.
Bekanntlich sind Meεεerkontakte im Steckergehäuse in Steckrichtung zu fixieren. Ein bekannter Meεserkontakt weist hierzu einen mit einer Befestigungsauεsparung ver¬ sehenen Kontaktteil mit quer abstehenden Anschnitten auf, die über Teillängen aufeinanderliegend zurückgefal¬ tet sind. Durch die Befestigungεaussparung ist dieser Messerkontakt mechanisch labil und im Querschnitt neben den Aussparungen geschwächt, wodurch der Stromfluß un¬ günstig beeinflußt wird. Außerdem ist der Messerkontakt auch nicht miniaturisierungsfähig. Ein weiterhin bekann¬ ter Meεεerkontakt iεt zur Schaffung eines Stützkörpers über eine Teillänge durch ein aufsteckbares kastenrohr- förmiges Blechformteil umfaßt, das vermittels zungen- förmiger Anschnitte, die in Ausnehmungen des Kontakt¬ teils einbiegbar sind, am Kontaktteil festlegbar ist. Abgesehen davon, daß daε als Stützkörper wirkende Blech¬ formteil nur aufwendig herstellbar ist, wirkt das Blech- formteil für die Fixierung des Messerkontaktes nicht sicher.As is known, meεεerkontakte are to be fixed in the plug housing in the plugging direction. For this purpose, a known knife contact has a contact part with a fastening recess with transversely projecting gates which are folded back over part lengths. Due to the fastening recess, this knife contact is mechanically unstable and weakened in cross section next to the recesses, as a result of which the current flow is adversely affected. In addition, the knife contact is not capable of miniaturization. Another known contact is to create a supporting body over a partial length by means of an attachable box-shaped sheet metal part which can be fixed to the contact part by means of tongue-shaped gates which can be bent into recesses in the contact part. Apart from the fact that the shaped sheet metal part acting as a support body can only be produced in a complex manner, the shaped sheet metal part does not act securely for fixing the knife contact.
Es ist Aufgabe der Erfindung, den Bauaufwand von Mes¬ serkontakten obiger Gattung zu verringern, die Abstütz- ung des Messerkontaktes im Steckergehäuse sicherer zu machen und die Voraussetzung zu einem günstigen Strom¬ fluß zu schaffen.It is an object of the invention to reduce the construction expense of knife contacts of the above type, and to secure the support of the knife contact in the plug housing make and the prerequisite for a favorable Strom¬ flow.
Erfindungεgemäß iεt diese Aufgabe gelöst durch einen Blechzuschnitt mit einem über Teillängen desselben sich erstreckenden, im wesentlichen rechteckigen Abschnitt zur Bildung des Kontaktteils und je einem den Abεchnitt zu beiden Seiten überragenden Lappen zur Bildung deε Stützkörpers sowie mit dem Abschnitt in Reihe liegende und diesen seitlich überragende Lappen zur Bildung vonAccording to the invention, this object is achieved by a sheet metal blank with a substantially rectangular section extending over part of the length thereof to form the contact part and a tab projecting beyond the section on both sides to form the support body, and tabs lying in series with the section and projecting laterally therefrom for the formation of
Crimpansätzen, der im wesentlichen über die axiale Länge von dem den Kontaktteil bildenden Abschnitt und den Lap¬ pen entlang einer gemeinsamen Faltlinie planparallel um 180* aufeinander geklappt ist und dessen Lappen nach außen rückwärts zurückgebogen sind, während die Lappen für die Crimpansätze schräg nach außen oder im Abstand parallel zur Faltlinienebene ausgestellt sind. Auf diese Weise ist der Messerkontakt durch einfache Biegevorgänge aus einem einzigen Blechzuschnitt bildbar, was eine ein- fache Ausgestaltung und eine vorteilhafte werkzeugtech¬ nische Realisierbarkeit des Mesεerkontaktes ergibt sowie eine exakte Lagesicherung desselben im Steckergehäuse gewährleistet. Außerdem zeichnet sich der Mesεerkontakt durch eine mechanische Robustheit aus, was die Verwend- ung von Werkstoffen geringerer Festigkeit, jedoch höherer elektrischer Leitfähigkeit erlaubt. Schließlich ist durch Verzicht auf Befestigungsauεsparungen der Stromfluß im Messerkontakt unbehindert.Crimpansätzen, substantially over the axial length of the contact portion-forming portion and the Lap¬ pen along a common fold line coplanar 180 * is folded onto each other and the tabs are bent back outwards backwards while the flaps for the crimp tangs obliquely outwards or are issued at a distance parallel to the fold line level. In this way, the knife contact can be formed by simple bending operations from a single sheet metal blank, which results in a simple design and advantageous implementability of the knife contact in terms of tool technology and also ensures exact positional security of the same in the plug housing. In addition, the knife contact is characterized by a mechanical robustness, which allows the use of materials of lower strength, but higher electrical conductivity. Finally, the flow of current in the knife contact is unimpeded by dispensing with fastening cutouts.
Bevorzugt weisen die Lappen sich über Teilbreiten an dem den Kontaktteil bildenden Abschnitt anschließende Bogen- abschnitte und an diese sich anschließende ebene Ab¬ schnitte auf, wobei die Bogenabschnitte und die ebenen Abschnitte der Lappen den den Kontaktteil bildenden Ab- schnitt des Blechzuschnitts parallel zur Faltlinienebene überragen. Die Bogenabschnitte sind dabei so gestaltet, daß der den Kontaktteil bildende Abschnitt im Bereich der Lappen und die den Stützkörper bildenden Lappen quer zur Steckrichtung einen im wesentlichen mäanderförmigen Querschnitt aufweisen. Hierbei besteht die Möglichkeit, durch entεprechende Radien an den Bogenabεchnitten den Stützkörper mit beliebiger Breite zum Kontaktteil auszu¬ führen.The flaps preferably have partial sections on the arc sections adjoining the section forming the contact part and flat sections adjoining them, the arc sections and the flat sections of the tabs forming the section of the sheet metal blank forming the contact part parallel to the fold line plane tower over. The arc sections are designed in such a way that the section forming the contact part in the region of the tabs and the tabs forming the support body have a substantially meandering cross section transverse to the plugging direction. There is the possibility here of leading the support body to the contact part with any width by means of corresponding radii on the arc sections.
In Ausgestaltung des Messerkontakteε iεt vorgeεehen, daß εich die ebenen Abεchnitte der Lappen entweder planpa¬ rallel zueinander erstrecken oder aber zum freien Ende hin schräg nach außen sich erstreckend ausgebildet sind. Die Lappen können dabei ganz oder abεchnittsweiεe starr oder federnd auεgebildet εein, so daß der Mesεerkontakt mit den Lappen gegebenenfalls unter Vorspannung im Stek- kergehäuεe einsetz- und haltbar iεt.In the configuration of the knife contact, it is provided that the flat portions of the tabs either extend parallel to one another or are designed to extend obliquely towards the free end. The tabs can be completely or sectionally rigid or resilient, so that the knife contact with the tabs can be inserted and held in the connector housing under prestress, if necessary.
Weiterhin ist vorgesehen, das freie Ende des ebenen Ab- schitts von mindestens einem Lappen zur Bildung eines kastenrohrförmigen Stützkörperε über eine Teillänge und/ oder Teilbreite quer zur Faltlinienebene einzubiegen. Bevorzugt können die freien Enden beider Abεchnitte etwa über ihre halbe axiale Länge zueinander weiεende Ein- biegungen aufweiεen.Provision is further made to bend the free end of the flat section of at least one tab over a partial length and / or partial width transversely to the fold line plane to form a box-shaped support body. The free ends of the two sections can preferably have bends facing each other over approximately half their axial length.
In weiterer Auεgeεtaltung weiεen die Bogenabschnitte mindestens eine als Versteifung dienende Ein- oder Aus¬ drückung, z.B. eine Sicke auf. Unbeabsichtigte Rückbieg- ungen der Lappen, etwa beim Einsetzen des Mesεerkontaktε in daε Steckergehäuεe, werden so verhindert. Fernerhin können die Lappen im Bereich der Bogenabschnitte und/ oder über Teilbreiten der ebenen Abschnitte Aussparungen aufweisen. Schließlich sind noch Maßnahmen zu erleichterten Steck¬ vorgängen des Mesεerkontaktes in zugehörige Kontaktbuch¬ sen dann erzielbar, wenn der das Kontaktteil bildende Abschnitt am freien Steckende in der Faltlinie über eine Teillänge eine Schlitzung aufweist und die neben derIn a further embodiment, the arch sections have at least one indentation or indentation serving as stiffening, for example a bead. This prevents unintentional bending of the tabs, for example when inserting the knife contact in the connector housing. Furthermore, the tabs can have recesses in the area of the arch sections and / or over part-width sections of the flat sections. Finally, measures to facilitate plugging operations of the knife contact into associated contact sockets can also be achieved if the section forming the contact part has a slit over a partial length in the fold line at the fold line, and which besides the
Schlitzung sich erstreckenden Enden der so gebildeten Kontaktteilabschnitte zum freien Ende hin und zueinander pressend aufeinanderliegend eingebogen sind. Zusätzlich gegebenenfalls in den Randkantenbereichen der Längskan- ten der Kontaktteilabεchnitte vorgeεehene Absetzungen lasεen die Bildung einer Einführungεεpitze am Meεεerkon- takt zu.Slotted extending ends of the contact sections thus formed are bent towards each other and pressed against each other in a pressing manner. In addition, any deposits provided in the edge regions of the longitudinal edges of the contact part sections allow the formation of an insertion tip on the knife contact.
Die Erfindung iεt anhand eineε Auεführungεbeispiels in der Zeichnung verdeutlicht . Es zeigen :The invention is illustrated in the drawing using an exemplary embodiment. Show it :
Fig. 1 ein Steckergehäuse mit einem Meεεerkontakt im Schnitt, Fig. 2 einen Messerkontakt perspektivisch, Fig. 3 einen Messerkontakt in Seitenansicht ,1 shows a connector housing with a knife contact in section, FIG. 2 shows a knife contact in perspective, FIG. 3 shows a knife contact in side view,
Fig. 4 einen Mesεerkontakt in Draufsicht Fig. 5 einen Teilschnitt eines Mesεerkontaktε im4 a top view of a knife contact. FIG. 5 a partial section of a knife contact in FIG
Bereich der Linie V-V der Fig. 2 , Fig. 6 und 7 Teilεchnitte eines Mesεerkontakts im Bereich der Stützkörper entsprechend abgewan¬ delten Ausführungen, Fig. 8 einen Blechzuschnitt für einen Mesεerkontakt in Drauf εicht und Fig. 9 ein Teilstück eines Messerkontaktε im Bereich deε Steckendeε in Seitenansicht, vergrößert . In den Fig. ist mit 1 ein Steckergehäuse für die Auf¬ nahme von Messerkontakten 2 bezeichnet. Der einzelne Mesεerkontakt 2 weiεt einen Kontaktteil 3, einen Stütz¬ körper 4 zum Zwecke der axialen Fixierung des Messerkon- takteε 2 im Steckergehäuεe 1 und Crimpansätze 5 und 6 auf. Der Mesεerkontakt 2 ist durch einen einzigen Blech¬ zuschnitt 7 (Fig.8) gebildet, der über Teillängen einen im wesentlichen rechteckigen Abschnitt 8 zur Bildung des Kontaktteils 3 und den Abschnitt 8 seitlich überragende Lappen 9, 10 und 11 zur Bildung von Stützkörper 4 undArea of line VV in FIGS. 2, 6 and 7 partial sections of a knife contact in the area of the supporting bodies in accordance with modified versions, FIG. 8 a sheet metal blank for a knife contact in plan view and FIG. 9 a section of a knife contact in the area of the plug end in side view, enlarged. In the figures, 1 denotes a connector housing for receiving knife contacts 2. The individual knife contact 2 has a contact part 3, a support body 4 for the purpose of axially fixing the knife contact 2 in the plug housing 1 and crimp attachments 5 and 6. The knife contact 2 is formed by a single sheet metal blank 7 (FIG. 8), which over partial lengths has a substantially rectangular section 8 for forming the contact part 3 and section 8 laterally projecting tabs 9, 10 and 11 for forming support bodies 4 and
Crimpansätzen 5 und 6 aufweist. Der Blechzuschnitt 7 ist mit dem Abschnitt 8 entlang einer Faltlinie 12 über die Länge von Mesεerkontakt 2 und Stützkörper 4 mit den zu beiden Seiten der Faltlinie 12 sich erεtreckenden Lappen 9 um 180* aufeinander geklappt. Die den Stützkörper 4 bildenden Lappen 9 εind, wie in Fig. 2 verdeutlicht, über Bogenabschnitte 9' zurückgebogen, wodurch sich im Bereich des Stützkörpers 4 durch den Kontaktteil 3 und den Lappen 9 ein im wesentlichen mäanderförmiger Quer- εchnitt ergibt (Fig.5). Die Bogenabschnitte 9' und die sich an den Bogenabschnitten 9' anεchließenden ebenen Abschnitte 9' ' überragen den Kontaktteil 3 parallel zur Faltlinienebene, wodurch Stützflächen am Stützkörper ge¬ bildet sind, die beim Einbringen des Mesεerkontaktes 2 in das Steckergehäuse 1 mit Steckergehäuseflächen bei 13 (Fig.l) zur Anlage kommen. Der Stützkörper 4 ist im Steckergehäuse 1 durch einen abbiegbaren steckergehäuεe- festen Anεatz 14 hintergreifbar (Fig.l), der mittelε eineε in das Steckergehäuse 1 einschiebbaren Klemmkör- pers 16 in der HintergreifStellung fixierbar ist. DieCrimp approaches 5 and 6. The sheet metal blank 7 is folded with the section 8 along a fold line 12 over the length of the knife contact 2 and the support body 4 with the flaps 9 extending to both sides of the fold line 12 by 180 * . The lobes 9 forming the support body 4 are, as illustrated in FIG. 2, bent back over curved sections 9 ', which results in an essentially meandering cross-section in the region of the support body 4 through the contact part 3 and the tab 9 (FIG. 5). . The curved sections 9 'and the flat sections 9''adjoining the curved sections 9' protrude beyond the contact part 3 parallel to the plane of the fold line, thereby forming support surfaces on the support body which, when the knife contact 2 is inserted into the plug housing 1 with plug housing surfaces at 13 ( Fig.l) come to the plant. The support body 4 can be gripped behind in the connector housing 1 by means of a bendable connector housing-fixed attachment 14 (FIG. 1) which can be fixed in the rear engagement position by means of a clamping body 16 which can be inserted into the connector housing 1. The
Bogenabschnitte 91 bzw. die Bogenabschnitte 9' und Teile der ebenen Abschnitte 91' sind mit Sicken 15 (Fig.5) versehbar, die der Verfestigung der Bogenabschnitte 9' dienen und ein unbeabsichtigtes Zurückbiegen der Lappen 9 vermeiden helfen. Beim Auεführungsbeispiel der Fig. 6 sind die Bogenab- schnitte 9• und die ebenen Abschnitte 9' ' der Lappen 9 mit Aussparungen 18 (Fig.6) versehen, die vorzugsweise trapezförmig gestaltet sind. Es besteht die Möglichkeit, durch Eingreifen von εteckergehäuεefeεten Klemmkörpern (nicht gezeigt) in die Ausεparungen 18 eine axiale Fix¬ ierung deε Meεserkontaktes vorzunehmen oder zu unter¬ stützen.Arch sections 9 1 or the arch sections 9 'and parts of the planar sections 9 1 ' can be provided with beads 15 (FIG. 5) which serve to consolidate the arch sections 9 'and help to prevent the tabs 9 from being accidentally bent back. In the embodiment of FIG. 6, the curved sections 9 • and the flat sections 9 ″ of the tabs 9 are provided with cutouts 18 (FIG. 6), which are preferably designed to be trapezoidal. There is the possibility of engaging or supporting an axial fixation of the sensor contact by engaging plug housings (not shown) in the recesses 18.
Beim Ausführungsbeiεpiel der Fig. 7 εind die freien En¬ den der ebenen Abεchnitte 9' ' über einen Teil ihrer Län¬ ge 9' ' ' in Richtung auf die Faltlinienebene 12 eingebo¬ gen und bilden so einen kastenrohrförmigen Stützkörper 4. Dieser Stützkörper 4 zeichnet εich durch große Stabi- lität aus. Während bei den gezeigten Ausführungsbeispie¬ len die Lappen 9* ' sich im wesentlichen planparallel zu¬ einander erstrecken, besteht auch die Möglichkeit, die Abschnitte 9r ' der Lappen 9 schräg zum freien Ende nach außen hin auszuεtellen und die Lappen 9 entweder εtarr bzw. federnd auεzuführen. Eine schräge Ausstellung der Abschnitte 9' ' ermöglicht den Ausgleich von Toleranzen zwischen Mesεerkontakt 2 und der Aufnahme 19 für diesen im Steckergehäuse 1.In the embodiment of FIG. 7, the free ends of the flat sections 9 ″ are bent over part of their length 9 ″ ″ in the direction of the fold line plane 12 and thus form a box-shaped support body 4. This support body 4 is drawn is characterized by great stability. While in the exemplary embodiments shown, the tabs 9 * 'extend essentially plane-parallel to one another, there is also the possibility of the sections 9 r ' of the tabs 9 being inclined outwardly towards the free end and the tabs 9 either being rigid or resilient. An oblique exposition of the sections 9 ″ enables the compensation of tolerances between the knife contact 2 and the receptacle 19 for the latter in the plug housing 1.
Die Lappen 10 und 11 des Blechzuschnittε 7 εind schräg zur Faltlinienebene deε Kontaktteils 3 auεgestellt und dienen der Festlegung eineε elektriεchen Leiterε (nicht gezeigt) bzw. deεεen Isolation.The tabs 10 and 11 of the sheet metal blank 7 are positioned at an angle to the fold line plane of the contact part 3 and serve to fix an electrical conductor (not shown) or its insulation.
Der Kontaktteil 3 ist weiter, wie in den Fig. 8 und 9 dargestellt, am freien Ende des Abschnittε 8 über eineThe contact part 3 is, as shown in FIGS. 8 and 9, at the free end of section 8 via a
Teillänge mit einer Schlitzung 20 verεehen und die εo gebildeten freien Abschnittsenden 8 ' , 8 ' ' zur Bildung einer Einführungsschräge zueinander eingebogen . Die En- den 8' ,8' ' erleichtern das Ein ühren des Meεserkontaktε 2 in zugehörige Kontaktbuchsen (nicht gezeigt). Zusätz¬ lich εind die Randkanten der freien Enden 8* ,8* * mit Ab¬ setzungen 23 versehen, die die Bildung einer Einsteck¬ spitze ermöglichen. Provide partial length with a slit 20 and the free section ends 8 ', 8''thus formed are bent toward one another to form an insertion bevel. The en- 8 ', 8''make it easier to insert the meter contact 2 into associated contact sockets (not shown). In addition, the marginal edges of the free ends 8 *, 8 * * are provided with deposits 23 which enable the formation of an insertion tip.

Claims

Patentanεprüche Claims
1. Messerkontakt für elektrische Steckverbinder mit einem streifenförmigen Kontaktteil, einem am Stecker¬ gehäuse fixierbaren Stützkörper und mit Crimpansätzen für die Festlegung eines elektrischen Leiters und dessen Isoliermantel am Messer ontakt, gekennzeichnet durch einen Blechzuschnitt (7 ) mit einem über Teillängen des¬ selben sich erstreckenden, im wesentlichen rechteckigen Abschnitt (8) zur Bildung des Kontaktteilε (3) und je einem den Abεchnitt (8) zu beiden Seiten überragenden Lappen (9) zur Bildung deε Stützkörpers (4) sowie mit dem Abschnitt (8) in Reihe liegende und diesen seitlich überragende Lappen (10,11) zur Bildung von Crimpansätzen (5,6), der im wesentlichen über die axiale Länge von dem den Kontaktteil (3) bildenden Abschnitt (8) und den Lap- pen (9) entlang einer gemeinsamen Faltlinie (12) plan¬ parallel um 180* aufeinander geklappt ist und dessen Lappen (9) nach außen rückwärts zurückgebogen sind, während die Lappen (10,11) für die Crimpansätze (5,6) schräg nach außen oder im Abstand parallel zur Ebene der Faltlinie (12) auεgestellt sind.1. Knife contact for electrical connectors with a strip-shaped contact part, a support body which can be fixed to the plug housing and with crimp attachments for fixing an electrical conductor and its insulating jacket on the knife contact, characterized by a sheet metal blank (7) with a part extending over the same length , essentially rectangular section (8) for forming the contact part (3) and one tab (9) projecting over the section (8) on both sides to form the support body (4) and with section (8) lying in series and this Laterally projecting tabs (10, 11) for forming crimp attachments (5, 6), which extend essentially over the axial length of the section (8) forming the contact part (3) and the tabs (9) along a common fold line ( 12) parallel to plan¬ 180 * is folded onto each other and the tabs (9) are bent back outwards backwards, while the tabs (10,11) for the Crim Panels (5, 6) are positioned obliquely outwards or at a distance parallel to the plane of the fold line (12).
2. Messerkontakt nach Anspruch 1, dadurch gekennzeich¬ net, daß die Lappen (9) sich über Teilbreiten an dem den Kontaktteil (3) bildenden Abεchnitt (8) anεchließende Bogenabschnitte (9' ) und an diese anschließende ebene Abschnitte (9'1) aufweisen.2. Knife contact according to claim 1, characterized gekennzeich¬ net that the tabs (9) over sections of the contact part (3) forming section (8) adjoining arc sections (9 ') and adjoining flat sections (9' 1 ) exhibit.
3. Messerkontakt nach Anspruch 2, dadurch gekennzeich¬ net, daß die Bogenabschnitte (91) und die ebenen Ab- schnitte (9'1) den den Kontaktteil (3) bildenden Ab- schnitt (8) parallel zur Faltlinienebene (12) überragen.3. Knife contact according to claim 2, characterized gekennzeich¬ net that the arc sections (9 1 ) and the flat sections (9 ' 1 ) the section forming the contact part (3) protrude section (8) parallel to the fold line plane (12).
4. Messerkontakt nach Anspruch 1 und 2, dadurch gekenn¬ zeichnet, daß der Abschnitt (8) im Bereich der Lappen (9) gemeinsam mit den Lappen (9) quer zur Steckrichtung einen im wesentlichen mäanderförmigen Querschnitt bil¬ det.4. Knife contact according to claim 1 and 2, characterized gekenn¬ characterized in that the section (8) in the region of the lobes (9) together with the lobes (9) transverse to the direction of insertion bil¬ det a substantially meandering cross-section.
5. Messerkontakt nach Anspruch 1, 2 und 3, dadurch ge- kennzeichnet, daß die ebenen Abschnitte (91') der Lappen5. Knife contact according to claim 1, 2 and 3, characterized in that the flat portions (9 1 ') of the tabs
(9) planparallel zueinander εich erεtreckend auεgebildet εind.(9) are plane-parallel to each other.
6. Meεεerkontakt nach Anεpruch 1, 2 und 3, dadurch ge- kennzeichnet, daß die ebenen Abschnitte (9'') der Lappen6. Meεεerkontakt according to claims 1, 2 and 3, characterized in that the flat portions (9 '') of the tabs
(9) zum freien Ende hin schräg nach außen sich erεtreck¬ end ausgebildet sind.(9) are designed to extend obliquely towards the free end.
7. Mesεerkontakt nach Anεpruch 1, 5 und 6, dadurch ge- kennzeichnet, daß die Lappen (9) ganz oder abschnitts¬ weise quer zur Faltlinienebene (12) federnd ausgebildet sind.7. knife contact according to claims 1, 5 and 6, characterized in that the tabs (9) are designed to be resilient in whole or in sections across the fold line plane (12).
8. Mesεerkontakt nach Anεpruch 1 und 2, dadurch gekenn- zeichnet, daß daε freie Ende deε ebenen Abεchnitts (911) von mindestenε einem Lappen (9) zur Bildung eineε kaε- tenrohrförmigen Stützkörperε über eine Teillänge und/ oder Teilbreite quer zur Faltlinienebene (12) eingebogen iεt.8. knife contact according to claims 1 and 2, characterized in that the free end of the flat section (9 11 ) of at least one tab (9) to form a box-tubular support body over a partial length and / or partial width transverse to the fold line plane ( 12) is bent.
9. Meεεerkontakt nach Anspruch 5 und 6, dadurch gekenn¬ zeichnet, daß die Bogenabschnitte (9' ) mindestens eine als Versteifung dienende Ein- oder Ausdrückung (15), z.B. Sicke, aufweisen. 9. Meεεerkontact according to claim 5 and 6, characterized gekenn¬ characterized in that the arc sections (9 ') have at least one serving as a stiffening indentation or expression (15), for example bead.
10. Meεεerkontakt nach Anεpruch 1 , 2 und 3, dadurch ge¬ kennzeichnet, daß die Lappen (9) im Bereich der Bogenab¬ εchnitte und/oder Teilbreiten der ebenen Abschnitte Aus¬ sparungen (18) aufweisen.10. Contact according to claim 1, 2 and 3, characterized in that the tabs (9) have recesses (18) in the area of the bow sections and / or partial widths of the flat sections.
11. Meεserkontakt nach Anspruch 1 und 3, dadurch ge¬ kennzeichnet, daß der das Kontaktteil (3) bildende Ab¬ εchnitt (8) am freien Steckende in der Faltlinie (12) über eine Teillänge eine Schlitzung (20) aufweist und daß die neben der Schlitzung (20) εich erεtreckenden11. Meεserkontakt according to claim 1 and 3, characterized ge indicates that the contact part (3) forming Ab¬ εchnitt (8) at the free plug end in the fold line (12) over a partial length of a slot (20) and that the addition the slot (20) extending
Enden der Kontaktteilabεchnitte (8' ,8' ' ) zum freien Ende hin und zueinander preεsend aufeinanderliegend eingebo¬ gen sind.Ends of the contact part sections (8 ', 8' ') are bent towards each other towards the free end and are pressed against one another.
12. Messerkontakt nach Anspruch 11, dadurch gekenn¬ zeichnet, daß die Kontaktteilabschnitte (8' ,8' ' ) in den Randbereichen der Längεkanten Abεetzungen (23) aufwei¬ sen. 12. Knife contact according to claim 11, characterized gekenn¬ characterized in that the contact sections (8 ', 8' ') in the edge regions of the longitudinal edges have settlements (23).
EP93901707A 1992-01-04 1992-12-18 Blade contact for electric plugs Expired - Lifetime EP0574567B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4200109 1992-01-04
DE4200109A DE4200109A1 (en) 1992-01-04 1992-01-04 KNIFE CONTACT FOR ELECTRICAL CONNECTORS
PCT/EP1992/002954 WO1993013572A1 (en) 1992-01-04 1992-12-18 Blade contact for electric plugs

Publications (2)

Publication Number Publication Date
EP0574567A1 true EP0574567A1 (en) 1993-12-22
EP0574567B1 EP0574567B1 (en) 1996-06-19

Family

ID=6449111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93901707A Expired - Lifetime EP0574567B1 (en) 1992-01-04 1992-12-18 Blade contact for electric plugs

Country Status (8)

Country Link
US (1) US5445541A (en)
EP (1) EP0574567B1 (en)
JP (1) JPH06505595A (en)
AT (1) ATE139654T1 (en)
AU (1) AU3257193A (en)
BR (1) BR9205714A (en)
DE (2) DE4200109A1 (en)
WO (1) WO1993013572A1 (en)

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Also Published As

Publication number Publication date
EP0574567B1 (en) 1996-06-19
DE4200109A1 (en) 1993-07-08
US5445541A (en) 1995-08-29
AU3257193A (en) 1993-07-28
DE59206621D1 (en) 1996-07-25
BR9205714A (en) 1994-05-17
ATE139654T1 (en) 1996-07-15
JPH06505595A (en) 1994-06-23
WO1993013572A1 (en) 1993-07-08

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