EP0368113A1 - Plastic cases fastenable one to the other - Google Patents

Plastic cases fastenable one to the other Download PDF

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Publication number
EP0368113A1
EP0368113A1 EP89120087A EP89120087A EP0368113A1 EP 0368113 A1 EP0368113 A1 EP 0368113A1 EP 89120087 A EP89120087 A EP 89120087A EP 89120087 A EP89120087 A EP 89120087A EP 0368113 A1 EP0368113 A1 EP 0368113A1
Authority
EP
European Patent Office
Prior art keywords
web
housing according
locking
connecting web
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP89120087A
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German (de)
French (fr)
Inventor
Andreas Dipl.-Ing. Neumann
Michael Dipl.-Ing. Wiese
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.)
Grote and Hartmann GmbH and Co KG
Original Assignee
Grote and Hartmann 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 Grote and Hartmann GmbH and Co KG filed Critical Grote and Hartmann GmbH and Co KG
Publication of EP0368113A1 publication Critical patent/EP0368113A1/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/82—Separable, striplike plural articles

Definitions

  • the present invention relates to a beltable plastic housing according to the preamble of claim 1.
  • Such beltable plastic housing are known from DE-OS 35 41 610.
  • the known beltable plastic housing is designed such that it each has one or more webs of material which are received by a recess in the adjacent housing.
  • these known plastic housings can be used very satisfactorily, three shaping directions and thus three shaping steps are required for shaping. There is also a need to improve the technical properties of this known housing with regard to the strength of the belt connection.
  • Beltable housings of the type mentioned are used to record electrical contacts.
  • the housings are connected to each other to form a belt so that they can be processed by machine.
  • the housing must meet relatively different conditions.
  • the housing must be designed in such a way that a flexible, reelable belt is created which can also be reeled up with small radii of curvature.
  • the assembly of the individual housings should be able to be accomplished relatively easily.
  • the housings are said to be very are held together securely, as tearing the connection leads to the machine coming to a standstill and leading to a loss of production until the webbing is re-threaded.
  • the present invention is therefore based on the object of providing housings of the type mentioned at the outset with belt devices which can be produced more simply and more cost-effectively and can be assembled in a simple manner, the connection having a higher tensile strength.
  • a beltable housing is created which can be manufactured in a particularly simple manner. This is particularly due to the fact that the number of shaping directions, which is essential for the material and manufacturing costs, has been reduced here.
  • three directions of demolding are necessary in order to be able to produce the housing with the recess.
  • only two directions of shaping are required, so that the production is much easier.
  • the design according to the invention allows the plastic housings to be connected to one another mechanically in a simple manner, i.e. mechanically put together into straps.
  • the design according to the invention makes it possible to connect the individual housings with little material.
  • FIGS. 1 to 3 show a beltable housing 1 injection molded from plastic.
  • the housing 1 has a bottom wall 2, a left side wall 3 with respect to FIG. 1, a right side wall 4 and a top wall 5. Parallel to the two side walls, an intermediate wall 6 is arranged in the interior of the housing, through which two chambers 7 and 8 of the same size running parallel to the side walls are formed.
  • the chambers are open on the front side 9 of the housing and on the rear side 10 of the housing and are intended for receiving electrical contact elements (not shown).
  • the first hook-shaped locking devices are integrally formed on the right side wall 4 and project outwards from this. They consist of two locking fingers 20, 21 which are formed by a connecting web 22 and by a locking web 23 formed thereon and extending vertically upwards from this connecting web.
  • the lower surface 24 of the connecting web 22 lies in the same plane as the lower surface of the bottom wall 2.
  • the connecting web is also shaped with a rectangular cross section.
  • the locking web 23 is provided with a longitudinal recess 25 and has two side edges 23a and an arcuate upper edge 23b. Lugs 26, 27 are formed on the longitudinal edges 23a and have latching edges 28, 29 directed downwards. On the left side wall 3 of the housing, second latching devices 30, 31 projecting outward are arranged which are complementary to the first latching devices.
  • the second eyelet-shaped latching devices each consist of a connecting web 32 and a bracket 33 connected to it.
  • the connecting web 32 is e.g. inclined about 45 degrees.
  • the bracket 33 adjoining this connecting web is arranged horizontally or parallel to the bottom surface and consists of two U-legs 34, 35 and a U-bottom web 36 running parallel to the left side wall.
  • the two U-legs 34, 35 and U-bottom web 36 together with the connecting web enclose a rectangular recess 37.
  • the bending of the connecting web 32 results in a free space 33a below the bracket 33 with a certain height "H". This height corresponds to the thickness of the connecting web 22, so that a belt with flush bottom surfaces of the housing can be formed.
  • this housing allows a particularly favorable production:
  • the housings are manufactured individually, whereby due to the favorable spatial shape of the belt devices, only two demolding directions, namely in the longitudinal direction, i.e. in the longitudinal direction of the contact chambers and in the vertical direction are required.
  • tool production and manufacture can be effected very inexpensively.
  • the individual housings are preferably connected to one another by machine.
  • the two locking webs 23, which are located on one side of the housing are inserted through the recesses 37 of the brackets 33, which are located on another housing, until the locking lugs 26, 27 jump over the webs 34, 35.
  • the area of the locking webs 23 below the locking lugs then sits without play in the recess 37 and the surface of the connecting web 22 rests against the lower surface of the bracket 33, so that the housings are strapped together without play.
  • a housing belt is formed by a large number of such housings.
  • This housing belt can be wound into a spool due to the flexibility of the belt devices.
  • the locking devices have a high tensile strength, which is achieved by the training in the plane of the bottom wall and by the cross-sectional design of the locking devices.
  • notches 22a can be provided at the connection point of the connecting web, which notches can act in the manner of a joint. They also facilitate threading into the recesses 37 and the separation of the assembled housing.
  • the invention it is thus possible to create the belt devices with two shaping directions.
  • tractive forces that occurred had to be absorbed by locking lugs.
  • the present invention provides that the tensile forces are each absorbed by the connecting web, so that considerably higher tensile forces can act without the belt device being torn apart.
  • the new belt device is easy to plug in, but difficult to unlock.
  • the recesses 25 ensure resilient evasion of the remaining webs of the U-shaped locking web in the front view.
  • outer wall surfaces of the housing can serve as guide surfaces or contact surfaces because the adjacent housing is threaded from above. The lateral collapse of the housing in the known belt devices is extremely difficult. It was thus possible to create a very effective belt device using simple means.
  • the inner surfaces of the U-legs 34, 35 facing the recess 37 each have an insertion bevel 37a which points from below to the interior of the recess 37 and which cooperates with the arcuate edge 23h of the locking web 23 in such a way that the locking web 23 is threaded into the recess 37 can be done easily.
  • the width of the recess 37 corresponds to the width of the latching web 23, measured in each case from one edge 23a to the other edge 23a.
  • the latching web 23 can be inserted through the recess 37 without great insertion force because the U-shaped spatial shape of the latching web 23 provided with the recess 25 is a springing of the U-legs 34, 35 of the locking web 23 to the interior of the recess 25 allows.
  • the aforementioned play-free seat of the latching web in the recess 37 is obtained because the thickness of the latching web 23 is also matched to the depth of the recess 37.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Casings For Electric Apparatus (AREA)
  • Buckles (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a case made of plastic having case compartments for receiving electrical plug connectors and having interlockable fastening devices, of which the first fastening device is arranged on a side wall and the second fastening device is arranged on the opposite side wall, the first locking device being composed of at least one hook-shaped projecting latch finger which is formed onto the side wall and which is formed by a connecting web (22) and by an upwardly extending latch web (23) formed thereon, and at least one outwardly projecting, eye-shaped, second locking device being arranged on the side wall, which locking device is composed of a connecting web (32) and of a transverse (33) connected thereto, which form a recess (37) for supporting the latch web (23). <IMAGE>

Description

Die vorliegende Erfindung betrifft ein gurtbares Kunststoff­gehäuse gemäß dem Oberbegriff des Ansprüches 1.The present invention relates to a beltable plastic housing according to the preamble of claim 1.

Derartige gurtbare Kunststoffgehäuse sind mit der DE-OS 35 41 610 bekannt geworden. Das bekannte gurtbare Kunststoffgehäuse ist derart gestaltet, daß es jeweils einen oder mehrere Materialstege aufweist, die von einer Ausnehmung in dem benachbarten Gehäuse aufgenommen werden. Obwohl diese bekannten Kunststoffgehäuse sehr zufriedenstellend eingesetzt werden können, sind zur Formgebung drei Formgebungsrichtungen und damit drei Formgebungsschritte erforderlich. Zudem besteht das Bedürfnis, die technischen Eigenschaften dieses bekannten Gehäuses bezüglich die Festigkeit der Gurtverbindung zu verbessern.Such beltable plastic housing are known from DE-OS 35 41 610. The known beltable plastic housing is designed such that it each has one or more webs of material which are received by a recess in the adjacent housing. Although these known plastic housings can be used very satisfactorily, three shaping directions and thus three shaping steps are required for shaping. There is also a need to improve the technical properties of this known housing with regard to the strength of the belt connection.

Gurtbare Gehäuse der eingangs genannten Art werden verwendet, um elektrische Kontakte aufzunehmen. Die Gehäuse werden mit­einander zu einem Gurt verbunden, um maschinell verarbeitet werden zu können.Beltable housings of the type mentioned are used to record electrical contacts. The housings are connected to each other to form a belt so that they can be processed by machine.

Diesen Verarbeitungsbedingungen entsprechend, muß das Gehäuse relativ unterschiedliche Bedingungen erfüllen. Auf der einen Seite muß das Gehäuse so gestaltet sein, daß ein flexibler, spulbarer Gurt entsteht, der auch bereits mit kleinen Krüm­mungsradien aufspulbar ist. Weiterhin soll das Zusammenfügen der einzelnen Gehäuse relativ einfach bewerkstelligt werden können. Auf der anderen Seite sollen die Gehäuse jedoch sehr sicher zusammengehalten werden, da ein Reißen der Verbindung zu einem Stillstand der Maschine und zu einem Produktionsaus­fall führt, bis das Gurtband wieder neu eingefädelt ist.According to these processing conditions, the housing must meet relatively different conditions. On the one hand, the housing must be designed in such a way that a flexible, reelable belt is created which can also be reeled up with small radii of curvature. Furthermore, the assembly of the individual housings should be able to be accomplished relatively easily. On the other hand, the housings are said to be very are held together securely, as tearing the connection leads to the machine coming to a standstill and leading to a loss of production until the webbing is re-threaded.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, Gehäuse der eingangs genannten Art mit Gurteinrichtungen zu schaffen, die einfacher und kostengünstiger hergestellt und auf einfache Weise zusammengefügt werden können, wobei die Verbindung eine höhere Zugfestigkeit aufweist.The present invention is therefore based on the object of providing housings of the type mentioned at the outset with belt devices which can be produced more simply and more cost-effectively and can be assembled in a simple manner, the connection having a higher tensile strength.

Diese Aufgabe wird erfindungsgemäß durch den Gegenstand des Ansprüches 1 gelöst. Zu bevorzugende Ausführungsformen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by the subject matter of claim 1. Preferred embodiments of the invention are the subject of the dependent claims.

Mit der Erfindung wird ein gurtbares Gehäuse geschaffen, das auf besonders einfache Weise hergestellt werden kann. Dazu trägt insbesondere bei, daß die Anzahl der Formgebungsrichtun­gen, die für die Werkstoff- und Herstellungskosten wesentlich ist, hier verringert worden ist. Bei den bekannten Gurtband-­Kunststoffgehäusen sind drei Entformungsrichtungen notwendig, um das Gehäuse mit der Ausnehmung herstellen zu können. Bei dem erfindungsgemäßen Gehäuse werden nur zwei Formgebungsrich­tungen benötigt, so daß die Herstellung sehr viel einfacher ist.With the invention, a beltable housing is created which can be manufactured in a particularly simple manner. This is particularly due to the fact that the number of shaping directions, which is essential for the material and manufacturing costs, has been reduced here. In the known webbing plastic housings, three directions of demolding are necessary in order to be able to produce the housing with the recess. In the case of the housing according to the invention, only two directions of shaping are required, so that the production is much easier.

Weiterhin erlaubt es die erfindungsgemäße Gestaltung, die Kunststoffgehäuse in einfacher Weise maschinell miteinander zu verbinden, d.h. maschinell zu Gurten zusammenzufügen.Furthermore, the design according to the invention allows the plastic housings to be connected to one another mechanically in a simple manner, i.e. mechanically put together into straps.

Weiterhin ermöglicht es die erfindungsgemäße Gestaltung, die Verbindung der einzelnen Gehäuse mit geringem Materialaufwand durchzuführen.Furthermore, the design according to the invention makes it possible to connect the individual housings with little material.

Weitere Merkmale der Erfindung ergeben sich aus der nachfol­genden Beschreibung eines Ausführungsbeispiels im Zusammen­hang mit der Zeichnung. Darin zeigt, in schematisierter Dar­stellung:

  • Fig. 1: eine Ansicht von unten auf das Ausführungs­beispiel des erfindungsgemäßen Gehäuses;
  • Fig. 2: einen Querschnitt durch die untere Hälfte des Gehäuses gemäß Fig. 1 entlang der Linie II-II mit Blickrichtung in Pfeilrichtung;
  • Fig. 3: eine Frontansicht eines Raststeges.
Further features of the invention result from the following description of an exemplary embodiment in connection with the drawing. It shows, in a schematic representation:
  • Fig. 1: a bottom view of the embodiment of the housing according to the invention;
  • FIG. 2 shows a cross section through the lower half of the housing according to FIG. 1 along the line II-II looking in the direction of the arrow;
  • Fig. 3: a front view of a locking web.

In den Figuren 1 bis 3 ist ein aus Kunststoff gespritztes gurtbares Gehäuse 1 dargestellt.FIGS. 1 to 3 show a beltable housing 1 injection molded from plastic.

Das Gehäuse 1 weist eine Bodenwandung 2, eine in bezug auf Fig. 1 linke Seitenwandung 3, eine rechte Seitenwandung 4 und eine Deckenwandung 5 auf. Parallel zu den beiden Seitenwänden ist im Inneren des Gehäuses eine Zwischenwand 6 angeordnet, durch die zwei parallel zu den Seitenwänden verlaufende Kammern 7 und 8 gleicher Größe gebildet werden. Die Kammern sind an der Gehäusevorderseite 9 und an der Gehäuserückseite 10 offen, und zur Aufnahme von nicht dargestellten elektrischen Kontakt­elementen bestimmt.The housing 1 has a bottom wall 2, a left side wall 3 with respect to FIG. 1, a right side wall 4 and a top wall 5. Parallel to the two side walls, an intermediate wall 6 is arranged in the interior of the housing, through which two chambers 7 and 8 of the same size running parallel to the side walls are formed. The chambers are open on the front side 9 of the housing and on the rear side 10 of the housing and are intended for receiving electrical contact elements (not shown).

Die ersten hakenförmigen Rasteinrichtungen sind an der rechten Seitenwandung 4 angeformt und springen von dieser nach außen vor. Sie bestehen aus zwei Rastfingern 20,21, die durch einen Anbindungssteg 22 und durch einen daran angeformten, sich senkrecht nach oben von diesem Anbindungssteg aus erstreckenden Raststeg 23 gebildet werden. Die untere Fläche 24 des Anbin­dungssteges 22 liegt in der gleichen Ebene wie die Unterfläche der Bodenwandung 2. Der Anbindungssteg ist weiterhin mit einem rechteckigen Querschnitt geformt.The first hook-shaped locking devices are integrally formed on the right side wall 4 and project outwards from this. They consist of two locking fingers 20, 21 which are formed by a connecting web 22 and by a locking web 23 formed thereon and extending vertically upwards from this connecting web. The lower surface 24 of the connecting web 22 lies in the same plane as the lower surface of the bottom wall 2. The connecting web is also shaped with a rectangular cross section.

Der Raststeg 23 ist mit einer längsverlaufenden Ausnehmung 25 versehen und weist zwei Seitenkanten 23a und eine bogenförmige Oberkante 23b auf. An den Längskanten 23a sind Rastnasen 26,27 geformt, nach unten gerichtete Rastkanten 28,29 aufweisen. An der linken Seitenwand 3 des Gehäuses sind nach außen vorspringend zweite Rasteinrichtungen 30,31 angeordnet, die komplementär zu den ersten Rasteinrichtungen gestaltet sind.The locking web 23 is provided with a longitudinal recess 25 and has two side edges 23a and an arcuate upper edge 23b. Lugs 26, 27 are formed on the longitudinal edges 23a and have latching edges 28, 29 directed downwards. On the left side wall 3 of the housing, second latching devices 30, 31 projecting outward are arranged which are complementary to the first latching devices.

Die zweiten ösenförmigen Rasteinrichtungen bestehen jeweils aus einem Anbindungssteg 32 und aus einem damit verbundenen Bügel 33. Der Anbindungssteg 32 ist, ausgehend von der Unterfläche der Bodenwandung 2 um z.B. etwa 45 Grad nach oben geneigt. Der sich an diesen Anbindunssteg anschließende Bügel 33 ist horizontal bzw.parallel zur Bodenfläche verlaufend angeordnet und besteht aus zwei U-Schenkeln 34,35 und aus einem parallel zur linken Seitenwandung verlaufenden U-Bodensteg 36. Die beiden U-Schenkel 34,35 und der U-Bodensteg 36 umschließen zusammen mit dem Anbindungssteg eine rechteckige Ausnehmung 37. Die Ab­winkelung des Anbindungssteges 32 ergibt einen Freiraum 33a unterhalb des Bügels 33 mit einer bestimmte Höhe "H". Diese Höhe ent­spricht der Dicke des Anbindungssteges 22, so daß ein Gurt mit fluchtenden Bodenflächen des Gehäuses gebildet werden kann.The second eyelet-shaped latching devices each consist of a connecting web 32 and a bracket 33 connected to it. Starting from the lower surface of the bottom wall 2, the connecting web 32 is e.g. inclined about 45 degrees. The bracket 33 adjoining this connecting web is arranged horizontally or parallel to the bottom surface and consists of two U-legs 34, 35 and a U-bottom web 36 running parallel to the left side wall. The two U-legs 34, 35 and U-bottom web 36 together with the connecting web enclose a rectangular recess 37. The bending of the connecting web 32 results in a free space 33a below the bracket 33 with a certain height "H". This height corresponds to the thickness of the connecting web 22, so that a belt with flush bottom surfaces of the housing can be formed.

Die Ausbildung dieses Gehäuses gestattet eine besonders günstige Herstellung: Die Gehäuse werden einzeln hergestellt, wobei aufgrund der günstigen Raumform der Gurteinrichtungen nur zwei Entformungsrichtungen, nämlich in Längsrichtung, d.h. in der Längsrichtung der Kontaktkammern und in senkrechter Richtung dazu erforderlich sind. Dadurch ist die Werkzeugerstellung und die Herstellung sehr kostengünstig zu bewirken.The design of this housing allows a particularly favorable production: The housings are manufactured individually, whereby due to the favorable spatial shape of the belt devices, only two demolding directions, namely in the longitudinal direction, i.e. in the longitudinal direction of the contact chambers and in the vertical direction are required. As a result, tool production and manufacture can be effected very inexpensively.

Nach der Herstellung werden die einzelnen Gehäuse vorzugsweise maschinell miteinander verbunden. Dazu werden die beiden Raststege 23, die sich an der einen Seite des Gehäuses befin­den, durch die Ausnehmungen 37 der Bügel 33, die sich an einem anderen Gehäuse befinden, gesteckt, bis die Rastnasen 26,27 über die Stege 34,35 springen. Der Bereich der Raststege 23 unterhalb der Rastnasen sitzt dann spielfrei in der Ausnehmung 37 und die Oberfläche des Anbindungssteges 22 lagert anliegend an der Unterfläche des Bügels 33, so daß die Gehäuse spielfrei aneinander gegurtet sind. Durch eine Vielzahl von derartigen Gehäusen wird ein Gehäusegurt gebildet.After production, the individual housings are preferably connected to one another by machine. For this purpose, the two locking webs 23, which are located on one side of the housing, are inserted through the recesses 37 of the brackets 33, which are located on another housing, until the locking lugs 26, 27 jump over the webs 34, 35. The area of the locking webs 23 below the locking lugs then sits without play in the recess 37 and the surface of the connecting web 22 rests against the lower surface of the bracket 33, so that the housings are strapped together without play. A housing belt is formed by a large number of such housings.

Dieser Gehäusegurt kann aufgrund der Flexibilität der Gurtein­richtungen zu einer Spule gewickelt werden. Trotz dieser Flexibilität weisen die Rasteinrichtungen jedoch eine hohe Zugfestigkeit auf, was durch die Ausbildung in der Ebene der Bodenwandung und durch die Querschnittsausbildung der Rastein­richtungen erreicht wird.This housing belt can be wound into a spool due to the flexibility of the belt devices. Despite this flexibility, the locking devices have a high tensile strength, which is achieved by the training in the plane of the bottom wall and by the cross-sectional design of the locking devices.

Weiterhin gewährleistet die Ausbildung der Rasteinrichtungen einen sehr genauen Abstand der einzelnen im Gurt befindlichen Gehäuse zueinander, was die maschinelle Verarbeitung wesentlich erleichtert. Es können zur Erhöhung der Flexibilität des Gurtes an der Anbindungsstelle des Anbindungssteges 22 Einker­bungen 22a vorgesehen werden, die nach Art eines Gelenkes wirken können. Sie erleichtern außerdem das Einfädeln in die Ausnehmungen 37 und das Auseinandertrennen der bestückten Gehäuse.Furthermore, the design of the locking devices ensures a very precise spacing of the individual housings in the belt from one another, which considerably facilitates machine processing. To increase the flexibility of the belt 22 notches 22a can be provided at the connection point of the connecting web, which notches can act in the manner of a joint. They also facilitate threading into the recesses 37 and the separation of the assembled housing.

Mit der Erfindung gelingt es somit, mit zwei Formgebunsrich­tungen die Gurteinrichtungen zu schaffen. Bei der bekannten Gurteinrichtung mußten auftretende Zugkräfte von Rastnasen aufgenommen werden. Die vorliegende Erfindung sieht demgegen- über vor, daß die Zugkräfte jeweils vom Anbindungssteg auf­genommen werden, so daß erheblich höhere Zugkräfte wirken können, ohne daß die Gurteinrichtung auseinandergerissen wird. Die neue Gurteinrichtung ist leicht steckbar, jedoch schwer entrastbar. Dabei sorgen die Ausnehmungen 25 für ein federndes Ausweichen der verbleibenden Stege des in der Frontansicht U-förmigen Raststeges. Beim Gurten können Gehäu­seaußenwandungsflächen als Führungsflächen bzw. Anlageflächen dienen, weil das benachbarte Gehäuse von oben eingefädelt wird. Das bei den bekannten Gurteinrichtungen seitliche Zusammenschieben des Gehäuses ist äußerst schwierig. Somit ist es mit einfachen Mitteln gelungen, eine sehr effektive Gurteinrichtung zu schaffen.With the invention it is thus possible to create the belt devices with two shaping directions. In the known belt device, tractive forces that occurred had to be absorbed by locking lugs. In contrast, the present invention provides that the tensile forces are each absorbed by the connecting web, so that considerably higher tensile forces can act without the belt device being torn apart. The new belt device is easy to plug in, but difficult to unlock. The recesses 25 ensure resilient evasion of the remaining webs of the U-shaped locking web in the front view. When belting, outer wall surfaces of the housing can serve as guide surfaces or contact surfaces because the adjacent housing is threaded from above. The lateral collapse of the housing in the known belt devices is extremely difficult. It was thus possible to create a very effective belt device using simple means.

Zweckmäßigerweise weisen die der Ausnehmung 37 zugekehrten Innenflächen der U-Schenkel 34, 35 jeweils eine von unten zum Innenraum der Ausnehmung 37 weisende Einführschräge 37a auf, die mit der bogenförmigen Kante 23h des Raststegs 23 zusammenwirkt derart, daß das Einfädeln des Raststegs 23 in die Ausnehmung 37 problemlos erfolgen kann. Die Breite der Ausnehmung 37 entspricht der Breite des Raststegs 23, gemessen jeweils von einer Kante 23a zur anderen Kante 23a. Obwohl an den Kanten 23a vorspringende Rastnasen 26, 27 angeformt sind, kann der Raststeg 23 ohne große Steckkraft durch die Ausnehmung 37 gesteckt werden, weil die U-förmige, mit der Ausnehmung 25 versehene Raumform des Raststegs 23 ein Federn der U-Schenkel 34, 35 des Raststegs 23 zum Innen­raum der Ausnehmung 25 hin ermöglicht. Nach dem Verrasten des Raststegs 23 ergibt sich der schon erwähnte spielfreie Sitz des Raststegs in der Ausnehmung 37, weil auch die Dicke des Raststegs 23 auf die Tiefe der Ausnehmung 37 abgestimmt ist.Advantageously, the inner surfaces of the U-legs 34, 35 facing the recess 37 each have an insertion bevel 37a which points from below to the interior of the recess 37 and which cooperates with the arcuate edge 23h of the locking web 23 in such a way that the locking web 23 is threaded into the recess 37 can be done easily. The width of the recess 37 corresponds to the width of the latching web 23, measured in each case from one edge 23a to the other edge 23a. Although projecting latching lugs 26, 27 are formed on the edges 23a, the latching web 23 can be inserted through the recess 37 without great insertion force because the U-shaped spatial shape of the latching web 23 provided with the recess 25 is a springing of the U-legs 34, 35 of the locking web 23 to the interior of the recess 25 allows. After the latching web 23 has been latched, the aforementioned play-free seat of the latching web in the recess 37 is obtained because the thickness of the latching web 23 is also matched to the depth of the recess 37.

Claims (15)

1. Gehäuse aus Kunststoff mit Gehäusekammern zur Aufnahme von elektrischen Steckverbindern und mit miteinander verrastbaren Gurteinrichtungen, von denen die erste Gurt­einrichtung auf einer Seitenwandung und die zweite Gurt­einrichtung auf der gegenüberliegenden Seitenwandung an­geordnet sind, dadurch gekennzeichnet, daß die erste Rasteinrichtung aus mindestens einem hakenförmigen, an der Seitenwandung (4) angeformten und vorspringenden Rastfinger (20, 21) besteht, der durch einen Anbindungssteg (22) und durch einen daran angeform­ten, nach oben erstreckenden Raststeg (23) gebildet wird, und daß an der Seitenwandung (3) mindestens eine nach außen vorspringende ösenförmige zweite Rasteinrichtung (30, 31) angeordnet ist, die aus einem Anbindungssteg (32) und aus einem damit verbundenen Bügel (33) besteht, die eine Ausnehmung (37) zur Lagerung des Raststegs (23) bilden.1. Housing made of plastic with housing chambers for receiving electrical connectors and with interlocking belt devices, of which the first belt device are arranged on one side wall and the second belt device on the opposite side wall, characterized in that the first latching device from at least one hook-shaped the side wall (4) integrally formed and projecting locking fingers (20, 21), which is formed by a connecting web (22) and an integrally molded, upwardly extending locking web (23), and that at least one after the side wall (3) externally projecting eyelet-shaped second locking device (30, 31) is arranged, which consists of a connecting web (32) and a bracket (33) connected to it, which form a recess (37) for mounting the locking web (23). 2. Gehäuse nach Anspruch 1, dadurch gekennzeich­net, daß der Anbindungssteg (22) zur Ebene der Seiten­wandung (4) senkrecht angeordnet vorspringt und daß der Raststeg (23) sich senkrecht vom Anbindungssteg (22) nach oben zur Eckenwandung (5) und parallel zur Seitenwandung (4) erstreckt.2. Housing according to claim 1, characterized in that the connecting web (22) projects perpendicular to the plane of the side wall (4) and that the locking web (23) extends perpendicularly from the connecting web (22) up to the corner wall (5) and parallel to Side wall (4) extends. 3. Gehäuse nach Anspruch 1 und/oder 2, dadurch ge­kennzeichnet, daß die untere Fläche (24) des Anbindungsstegs (22) in der gleichen Ebene liegt wie die Unterfläche der Bodenwandung (2).3. Housing according to claim 1 and / or 2, characterized in that the lower surface (24) of the connecting web (22) lies in the same plane as the lower surface of the bottom wall (2). 4. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Anbindungs­steg (22) einen rechteckigen Querschnitt aufweist.4. Housing according to one or more of claims 1 to 3, characterized in that the connecting web (22) has a rectangular cross section. 5. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Raststeg mit einer mittig längs verlaufenden Ausnehmung (25) ver­sehen ist.5. Housing according to one or more of claims 1 to 4, characterized in that the latching web is provided with a central longitudinal recess (25). 6. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Raststeg (23) - in der Frontansicht betrachtet - U-förmig ausgebil­det ist und außenseitig vertikale Seitenkanten (23a) sowie eine bogenförmige Oberkante (23b) aufweist.6. Housing according to one or more of claims 1 to 5, characterized in that the latching web (23) - viewed in the front view - is U-shaped and has vertical side edges (23a) and an arcuate upper edge (23b) on the outside. 7. Gehäuse nach Anspruch 6, dadurch gekennzeich­net, daß an den Längskanten (23a) Rastnasen (26 bzw. 27) angeformt sind, die nach unten gerichtete Rastkanten (28 bzw. 29) aufweisen.7. Housing according to claim 6, characterized in that on the longitudinal edges (23a) locking lugs (26 and 27) are formed, which have downward locking edges (28 and 29). 8. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Anbindungs­steg (32) der zweiten Rasteinrichtung,ausgehend von der Unterfläche der Bodenwandung (2), schräg nach oben verlau­fend angeordnet ist und der Bügel (33) sich horizontal bzw. parallel zur Bodenfläche sich erstreckt.8. Housing according to one or more of claims 1 to 7, characterized in that the connecting web (32) of the second latching device, starting from the lower surface of the bottom wall (2), is arranged obliquely upwards and the bracket (33) is horizontal or extends parallel to the floor surface. 9. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Bügel (33) aus zwei U-Schenkeln (34, 35) und aus einem parallel zur Seitenwandung verlaufenden U-Bodensteg (36) besteht, wobei die beiden U-Schenkel (34, 35) und der U-Bodensteg (36) zusammen mit dem Anbindungssteg (32) eine rechteckige Aus­nehmung (37) bilden.9. Housing according to one or more of claims 1 to 8, characterized in that the bracket (33) consists of two U-legs (34, 35) and a parallel to the side wall U-base web (36), the two U-legs (34, 35) and the U-bottom web (36) together with the connecting web (32) form a rectangular recess (37). 10. Gehäuse nach Anspruch 8 und/oder 9, dadurch ge­kennzeichnet, daß unter dem Bügel (33) aufgrund der Abwinklung des Anbindungsstegs (32) ein Freiraum (33) gebildet ist, dessen Höhe "H" der Dicke des Anbindungsstegs (22) eines Rastfingers (20, 21) entspricht.10. Housing according to claim 8 and / or 9, characterized in that under the bracket (33) due to the bending of the connecting web (32) a free space (33) is formed, the height "H" of the thickness of the connecting web (22) one Latching fingers (20, 21) corresponds. 11. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Rastkan­ten (28, 29) in Höhe der Oberfläche der U-Schenkel (34, 35) angeordnet sind.11. Housing according to one or more of claims 1 to 10, characterized in that the latching edges (28, 29) are arranged at the level of the surface of the U-legs (34, 35). 12. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Raststeg (23) spielfrei in der Ausnehmung (37) sitzt, wobei die Oberfläche des Anbindungsstegs (22) anliegend an der Unterfläche des Bügels (33) angeordnet ist.12. Housing according to one or more of claims 1 to 11, characterized in that the latching web (23) sits without play in the recess (37), the surface of the connecting web (22) being arranged adjacent to the lower surface of the bracket (33) . 13. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Breite des Raststegs (23) der Breite der Ausnehmung (37) und die Dicke des Raststegs (23) der Tiefe der Ausnehmung (37) entsprechen.13. Housing according to one or more of claims 1 to 12, characterized in that the width of the locking web (23) corresponds to the width of the recess (37) and the thickness of the locking web (23) corresponds to the depth of the recess (37). 14. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß an der Anbin­dungsstelle des Anbindungsstegs (22) Einkerbungen (22a) vorgesehen sind.14. Housing according to one or more of claims 1 to 13, characterized in that notches (22a) are provided at the connection point of the connecting web (22). 15. Gehäuse nach einem oder mehreren der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die zum Innen­raum der Ausnehmung (37) weisenden Flächen der U-Schenkel­stege (34, 35) eine von ihrer Unterfläche zum Innenraum sich erstreckende Einführungsschräge (37a) aufweisen.15. Housing according to one or more of claims 1 to 14, characterized in that the surfaces of the U-leg webs (34, 35) facing the interior of the recess (37) have an insertion bevel (37a) extending from their lower surface to the interior.
EP89120087A 1988-11-09 1989-10-30 Plastic cases fastenable one to the other Withdrawn EP0368113A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8814029U DE8814029U1 (en) 1988-11-09 1988-11-09 Strap-on plastic housing
DE8814029U 1988-11-09

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EP0368113A1 true EP0368113A1 (en) 1990-05-16

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EP89120087A Withdrawn EP0368113A1 (en) 1988-11-09 1989-10-30 Plastic cases fastenable one to the other

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EP (1) EP0368113A1 (en)
JP (1) JPH02152176A (en)
DE (1) DE8814029U1 (en)

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DE4243598C2 (en) * 1992-12-22 1996-05-15 Grote & Hartmann Belt device for a single or multi-pole contact housing
DE19801409B4 (en) * 1998-01-16 2004-07-22 Stocko Metallwarenfabriken Henkels & Sohn Gmbh & Co Method for producing plug connectors composed of a first and a second connector part
US6158575A (en) * 1998-04-28 2000-12-12 Berg Technology, Inc. Links for forming a connector transport chain

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DE2716700A1 (en) * 1977-04-15 1978-10-19 Wago Kontakttechnik Gmbh Screwless connecting clamp with adjacent insulating housings - has lids of each housing coupled by flexible strips
EP0145152A2 (en) * 1983-11-16 1985-06-19 Molex Incorporated Improvements in electrical connectors
EP0223944A2 (en) * 1985-02-07 1987-06-03 Grote &amp; Hartmann GmbH &amp; Co. KG Housing belt

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DE3119020C2 (en) * 1980-08-09 1985-05-09 Nichifu Terminal Industries Co., Ltd., Osaka Method of manufacturing a connector part between two sets of clamps
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DE7124060U (en) * 1971-10-21 Itw Ltd Snap clip
FR2307386A1 (en) * 1975-04-11 1976-11-05 Bunker Ramo ELECTRICAL CONNECTION MATERIAL
DE2716700A1 (en) * 1977-04-15 1978-10-19 Wago Kontakttechnik Gmbh Screwless connecting clamp with adjacent insulating housings - has lids of each housing coupled by flexible strips
EP0145152A2 (en) * 1983-11-16 1985-06-19 Molex Incorporated Improvements in electrical connectors
EP0223944A2 (en) * 1985-02-07 1987-06-03 Grote &amp; Hartmann GmbH &amp; Co. KG Housing belt

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DE8814029U1 (en) 1990-03-15
JPH02152176A (en) 1990-06-12
US5004101A (en) 1991-04-02

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