EP0455139A1 - Metallic connector housing - Google Patents

Metallic connector housing Download PDF

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Publication number
EP0455139A1
EP0455139A1 EP91106693A EP91106693A EP0455139A1 EP 0455139 A1 EP0455139 A1 EP 0455139A1 EP 91106693 A EP91106693 A EP 91106693A EP 91106693 A EP91106693 A EP 91106693A EP 0455139 A1 EP0455139 A1 EP 0455139A1
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EP
European Patent Office
Prior art keywords
sleeve
cable
housing
screen
threaded nut
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
EP91106693A
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German (de)
French (fr)
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EP0455139B1 (en
Inventor
Eric Guiol
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.)
WL Gore and Associates GmbH
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WL Gore and Associates GmbH
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Publication date
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Publication of EP0455139A1 publication Critical patent/EP0455139A1/en
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Publication of EP0455139B1 publication Critical patent/EP0455139B1/en
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    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections

Definitions

  • the invention relates to a metallic connector housing according to the preamble of claim 1.
  • Electrical cables for signal transmission are usually provided with a tube-like screen made of electrically conductive material surrounding the signal conductors of the cable, on the one hand to prevent the influence of electromagnetic interference fields on the signal conductors and on the other hand to prevent electromagnetic radiation of the cable, which could interfere with neighboring cables or devices .
  • a tube-like screen made of electrically conductive material surrounding the signal conductors of the cable, on the one hand to prevent the influence of electromagnetic interference fields on the signal conductors and on the other hand to prevent electromagnetic radiation of the cable, which could interfere with neighboring cables or devices .
  • umbrellas are formed by a metallic braid, which on the one Signal conductor surrounding insulating jacket applied and in turn is surrounded by an insulating outer jacket of the cable.
  • Such cables are often terminated by connectors, in particular plug connectors, in order to connect the signal conductors to other cables or to devices.
  • connectors In order to prevent electromagnetic interference in the area of these connectors, such connectors are usually surrounded by a metal housing which is electrically connected to the shield of the cable.
  • Connector end housings are often provided which are connected to the shield of the cable on one cable entry side and are fastened to the metal housing of the connector on the opposite side, for example by screwing.
  • These connector end housings have a dual purpose. On the one hand, they serve as strain relief for the cable. On the other hand, they are used to bring the electrical potential of the cable shield to the potential of the metal housing of the connector.
  • known connector end housings are provided with a sleeve part, on the outer circumference of which the screen is applied, while the remaining part of the cable is guided through the sleeve into the interior of the connector end housing.
  • the screen braid In order to apply the screen to the outer circumference of the sleeve part, the screen braid must be opened so that it fits over the sleeve part. The area of the open screen pulled over the sleeve part is then crimped onto the sleeve part, there by means of a Tape or a clamp-like device attached or shrunk under a magnetic field. In the case of crimping or fastening by means of a band or a clamp-like device, the connection can be released again if necessary. In the case of shrinking under a magnetic field, the connection is no longer detachable and no longer allows repairs.
  • the shield By opening the braid for the purpose of pulling it over the sleeve, the shield becomes electromagnetically leaky, so that the overall system containing this connector is susceptible to electromagnetic interference.
  • a device for screwing a coaxial cable end to an amplifier housing with the features of the preamble of claim 1 in which the screen is connected to the sleeve only indirectly via a contact cage.
  • the contact cage is located in a radial gap between the screen and an enlarged inner diameter of the sleeve.
  • the contact cage extends with one axial end to the associated axial end of the sleeve.
  • a contact cage acts like a slot radiator. That is, it emits high-frequency radiation and absorbs high-frequency radiation.
  • the end region of the outer sheath of the cable located above the shield and adjoining the sleeve and contact cage cannot prevent such disturbing radiation and radiation.
  • the contact cage must have a relatively strong spring force so that a sufficiently good electrical contact is made between the sleeve and the screen, even if the manufacturing tolerances are to be expected.
  • the dielectric of cables with particularly good high-frequency properties located between the shield and the inner conductor often consists of relatively soft material, namely stretched and therefore microporous polytetrafluoroethylene (PFTE). This soft material is compressed radially inwards by the spring force of the contact cage. The result is a deformation of the cable structure at the point of the contact cage. This in turn leads to an undesirable change in the wave resistance of the cable at the point of the contact cage. This change in wave resistance affects high-frequency signals to be transmitted via the cable.
  • PFTE microporous polytetrafluoroethylene
  • the invention has for its object to provide a connection method by means of which the cable shield can be connected to a connector without the electromagnetic shielding effect and the electrical transmission properties of the cable being impaired.
  • the solution consists in a metallic housing according to claim 1, which can be developed according to claims 2 to 12, as well as in a connector according to claim 13 and a connection arrangement according to claim 14 or 15, which can be developed according to claim 16 or 17.
  • the screen of the cable does not need to be opened. Rather, the sleeve is pushed over the unopened screen. The screen and sleeve are then connected to one another electrically and mechanically, preferably by soldering or crimping a part of the screen which has been turned back onto the outer circumference of the sleeve onto the sleeve. The sleeve is then screwed to the metallic housing. This leads to a full-surface and positive connection of a direct type between the screen and the sleeve and thus to an electromagnetically sealed connection. A wave resistance changing cable deformation also does not occur.
  • connection method With this connection method, the screen retains its unchanged shape right into the sleeve. From the sleeve this and then the housing takes over the electromagnetic shielding. An electromagnetic leakage of the shielding does not occur with this connection method.
  • the outer part of the sleeve protruding from the sleeve and provided with an external thread is preferably provided with flats on diametrically opposite sides which make it possible to hold the sleeve in place with a spanner while the threaded nut is screwed on.
  • the passage opening of the housing is preferably adapted to this flattened outer contour of the outer part of the sleeve.
  • the sleeve can have a stepped inner diameter in order to be able to accommodate not only the end region of the shield which has been freed from the outer insulating jacket, but also an end region of the outer insulating jacket.
  • the transition area between the outer insulating jacket and the exposed screen is particularly protected.
  • a cable kink protection sleeve is pushed onto the adjoining areas of the sleeve and cable.
  • This is preferably molded onto the nut, for example in the form of a plastic sleeve molded onto the nut, and extends with a conically decreasing diameter over part of the region of the cable adjoining the sleeve.
  • the cable kink protection sleeve can also be molded onto the cable after the connector has been installed, preferably from the material from which the outer insulating jacket of the cable is made.
  • a threaded nut with a sleeve-shaped extension is used, on which there is at least one anchor for the material of the cable kink protection sleeve. After the threaded nut has been screwed on, its sleeve-shaped extension is extrusion-coated at least on a part comprising the anchor and the outer insulating jacket with the cable kink protection sleeve. This provides an additional strain relief for the cable.
  • the metallic housing can either be a connector end housing that is screwed to the metallic housing of a shielded connector.
  • the metallic Housing can also be formed by the metal housing of the shielded electrical connector itself.
  • the solution according to the invention is also suitable for so-called EMC hoses, ie shielded cables without content, the cable conductors or wires being drawn in later.
  • EMC stands for electromagnetic compatibility.
  • Fig. 1 shows the application of the invention in a metallic connector end housing, which in turn can be screwed onto the metallic housing of a connector, not shown.
  • FIG. 1 shows a metallic housing 11 with an end wall 13 on the cable insertion side, in which a passage opening 15 is formed.
  • a passage opening 15 In the passage opening 15 there is a sleeve 17, which has an outer part 19 protruding from the housing 11 with an external thread 21 and a radial flange 23 abutting the inside of the end wall 13.
  • a threaded nut 25 is screwed onto the external thread 21, by means of which the side wall 13 and the flange 23 are fastened to one another.
  • An outer insulating jacket 27 of an electrical cable 29 connects to the end of the sleeve 17 protruding from the housing 11.
  • the cable 29 has a braided screen 31. This is exposed at the end of the cable by stripping a piece of the outer insulating jacket 27.
  • the sleeve 17 is pushed onto the exposed screen 31.
  • the sleeve 17 has a feed-through opening 33 which is adapted to the outer diameter of the screen 31 in such a way that the sleeve 17 can just be pushed onto the screen 31.
  • Fig. 2 shows an embodiment in which the sleeve 17 is soldered to the screen 31 after being pushed onto it.
  • the length of the exposed part of the screen 31 is preferably dimensioned such that the free end of the screen 31 essentially closes with the flange-side end of the sleeve 17 when the sleeve 17 is fully pushed on.
  • the flange 23 forms the axial end of the sleeve 17 pointing away from the outer insulating jacket 27.
  • FIG. 3 shows an embodiment in which the sleeve 17 also has a sleeve extension 35 on the side of the flange 23 remote from the external thread 21.
  • the screen 31 is freed from the outer insulating jacket 27 to such a length that the free end of the screen 31 can be turned around the sleeve extension 35 after the sleeve 17 has been completely pushed on.
  • a crimp sleeve 39 is applied to the folded-over part 37 of the screen 31, by means of which the folded-over part 37 can be clamped to the sleeve extension 35.
  • FIGS. 2 and 3 show isolated signal conductors 41 which protrude from the flange-side or sleeve extension-side axial end of the sleeve 17 and can be connected to contacts of a connector (not shown in the figures).
  • Fig. 4 shows a perspective view of a particularly preferred embodiment of a sleeve 17, wherein the external thread 21 is not shown.
  • This sleeve has two diametrically opposed flats 43, which serve to attack a wrench. So that the sleeve 17 can be held during the screwing of the threaded nut 25.
  • Fig. 5 shows a housing 11, the passage opening 15 is adapted to the shape of the sleeve shown in Fig. 4.
  • Fig. 6 shows a cable bend protection sleeve 45 made of plastic, which is molded or glued to the threaded nut 25.
  • the cable kink protection sleeve 45 is indicated by dashed lines.
  • connection arrangement first the cable anti-kink sleeve 45, then the threaded nut 25, or both as a unit, and then the housing 11 is pushed onto the free end of the cable 29, to the extent that the cable end for stripping the relevant insulating sheaths and for the cutting of the screen 31 is accessible.
  • the sleeve 17 is pushed onto the exposed part of the screen 31 and soldered to it (FIG. 2) or firmly connected by means of the crimp sleeve 39 (FIG. 3).
  • the housing 11 is then pulled off the cable 23 until the end wall 13 stops on the flange 23.
  • the threaded nut 25 is screwed onto the external thread 21 in order to tighten the end wall 13 between the flange 23 and the threaded nut 25.
  • the cable kink protection sleeve 45 is pushed and glued to the threaded nut 25 if it does not form a unit with the threaded nut 25 anyway.
  • the sleeve 17 has a stepped inner diameter. Between a larger inner diameter D1 at the cable insertion end of the sleeve 17 and a smaller inner diameter D2, which extends over the remaining axial length of the sleeve 17, there is a diameter step 51.
  • the larger diameter D1 is adapted to the outer diameter of the cable 29 so that it can accommodate an end region of the outer insulating jacket 27 of the cable 29.
  • the smaller inner diameter D2 is adapted to the outer diameter of the screen 31, so that the exposed area of the screen 31 can extend through the sleeve area with a smaller diameter D2.
  • the end of the screen 31 can be aligned with the inner end of the sleeve 17 located in the housing 11 or, as shown in FIG. 7, protrude beyond the inner end of the sleeve 17.
  • the threaded nut 25 is also modified. It has a sleeve-shaped extension 47 on the cable entry side, from the free end of which a radial armature 49 extends.
  • This can be designed as a radial flange encircling the sleeve-shaped extension 47 or in the form of a plurality of radially projecting teeth or barbs.
  • the entire threaded nut 25, including its sleeve-like extension 47 is provided with an external thread. However, this is not absolutely necessary.
  • a preformed cable kink protection sleeve 45 which is attached to the sleeve-shaped extension 47 and the anchor 49 has adapted inner diameter profile and after screwing the threaded nut 25 from the cable 29 is pushed onto the anchor 49 and the sleeve-shaped extension 47.
  • the anchor 49 can be provided on the side facing away from the housing 11 with a run-up slope in order to facilitate the pushing on of the cable kink protection sleeve 45, which in this embodiment consists of a flexible plastic.
  • the same plastic material is preferably used from which the outer insulating jacket 27 of the cable 29 is made.
  • the end of the cable anti-kink bushing 45 directed towards the housing 11 is preferably axially spaced from the part of the threaded nut 25 which bears against the housing 11.
  • This type of cable kink protection sleeve 45 provides additional strain relief for the cable 29 in that the outer insulating jacket 27 is now connected to the metallic housing 11 via the threaded nut 25 and the sleeve 17 without the screen 31 having to bear the main tensile load. There is a better force distribution under load, whereby the soldered or crimp connection between sleeve 17 and screen 31 is relieved. Furthermore, a stronger connection is achieved, also against vibration damage, since the nut cannot be loosened by vibrations but is held in place by the molded anti-kink sleeve 45. Better kink protection is also achieved.
  • the cable anti-kink sleeve 45 produced by extrusion coating can also be released by cutting it obliquely between the head of the threaded nut 25 and the anchor 49, into the corner of the right angle between the anchor 49 and the sleeve-shaped extension 47, and then simply pulling it off. This means that even in this embodiment of a connector arrangement according to the invention, repair on site is possible. After the repair is complete, a shrink tube is simply applied over the outer insulating jacket 27 and the housing 11.

Abstract

A metallic housing (11) for a screened electrical connector for connection to an electrical screen (31), in the form of a sleeve, of an electrical cable (29) which is to be connected to the connector, the housing (11) having a passage opening (15) on the cable inlet side. The passage opening (15) is formed in an end wall (13) of the housing (11) on the cable inlet side. A sleeve (17) passes through the passage opening (15), which sleeve (17) has a through-opening, which is matched to the external diameter of the screen (31) and is provided with a flange (23) which rests on the inside of the end wall (13), and with an external thread (21), at least on an outer part (19), projecting out of the housing (11). A threaded nut (25) is screwed onto the external thread (21) in order to clamp the end wall (13) firmly between the flange (23) and the threaded nut (25). <IMAGE>

Description

Die Erfindung betrifft ein metallisches Verbindergehäuse gemäß Oberbegriff des Anspruchs 1.The invention relates to a metallic connector housing according to the preamble of claim 1.

Elektrische Kabel für die Signalübertragung sind meist mit einem die Signalleiter des Kabels umgebenden schlauchartigen Schirm aus elektrisch leitendem Material versehen, um einerseits die Einwirkung elektromagnetischer Störfelder auf die Signalleiter zu verhindern und um andererseits elektromagnetische Abstrahlungen des Kabels zu unterbinden, welche benachbarte Kabel oder Geräte stören könnten. Meist sind solche Schirme durch ein metallisches Geflecht gebildet, das auf einen die Signalleiter umgebenden Isoliermantel aufgebracht und seinerseits von einem isolierenden Außenmantel des Kabels umgeben ist.Electrical cables for signal transmission are usually provided with a tube-like screen made of electrically conductive material surrounding the signal conductors of the cable, on the one hand to prevent the influence of electromagnetic interference fields on the signal conductors and on the other hand to prevent electromagnetic radiation of the cable, which could interfere with neighboring cables or devices . Mostly, such umbrellas are formed by a metallic braid, which on the one Signal conductor surrounding insulating jacket applied and in turn is surrounded by an insulating outer jacket of the cable.

Derartige Kabel werden häufig durch Verbinder, insbesondere Steckverbinder, abgeschlossen, um die Signalleiter mit anderen Kabeln oder mit Geräten zu verbinden. Um auch im Bereich dieser Verbinder elektromagnetische Störungen zu verhindern, sind solche Verbinder üblicherweise von einem Metallgehäuse umgeben, das mit dem Schirm des Kabels elektrisch verbunden ist. Häufig werden Verbinderendgehäuse vorgesehen, die auf einer Kabeleintrittsseite mit dem Schirm des Kabels verbunden sind und auf der entgegengesetzten Seite an dem Metallgehäuse des Verbinders befestigt werden, beispielsweise durch Verschrauben. Diese Verbinderendgehäuse haben einen doppelten Zweck. Einerseits dienen sie als Zugabfang für das Kabel. Andererseits werden sie dazu benutzt, das elektrische Potential des Kabelschirms auf das Potential des Metallgehäuses des Verbinders zu bringen.Such cables are often terminated by connectors, in particular plug connectors, in order to connect the signal conductors to other cables or to devices. In order to prevent electromagnetic interference in the area of these connectors, such connectors are usually surrounded by a metal housing which is electrically connected to the shield of the cable. Connector end housings are often provided which are connected to the shield of the cable on one cable entry side and are fastened to the metal housing of the connector on the opposite side, for example by screwing. These connector end housings have a dual purpose. On the one hand, they serve as strain relief for the cable. On the other hand, they are used to bring the electrical potential of the cable shield to the potential of the metal housing of the connector.

Zu diesem Zweck sind bekannte Verbinderendgehäuse mit einem Hülsenteil versehen, auf dessen Außenumfang der Schirm aufgebracht wird, während der restliche Teil des Kabels durch die Hülse hindurch in das Innere des Verbinderendgehäuses geführt wird. Um den Schirm auf den Außenumfang des Hülsenteils aufzubringen, muß das Schirmgeflecht geöffnet werden, damit es über den Hülsenteil paßt. Der über den Hülsenteil gezogene Bereich des geöffneten Schirms wird dann auf dem Hülsenteil festgekrimpt, dort mittels eines Bandes oder einer schellenartigen Vorrichtung befestigt oder unter einem Magnetfeld geschrumpft. Im Fall des Festkrimpens oder des Befestigens mittels eines Bandes oder einer schellenartigen Vorrichtung ist die Verbindung bei Bedarf wieder lösbar. Im Fall der Aufschrumpfung unter einem Magnetfeld ist die Verbindung nicht mehr lösbar und ermöglicht keine Reparaturen mehr.For this purpose, known connector end housings are provided with a sleeve part, on the outer circumference of which the screen is applied, while the remaining part of the cable is guided through the sleeve into the interior of the connector end housing. In order to apply the screen to the outer circumference of the sleeve part, the screen braid must be opened so that it fits over the sleeve part. The area of the open screen pulled over the sleeve part is then crimped onto the sleeve part, there by means of a Tape or a clamp-like device attached or shrunk under a magnetic field. In the case of crimping or fastening by means of a band or a clamp-like device, the connection can be released again if necessary. In the case of shrinking under a magnetic field, the connection is no longer detachable and no longer allows repairs.

Durch das Öffnen des Schirmgeflechts zu dem Zweck, es über die Hülse zu ziehen, wird die Schirmung elektromagnetisch undicht, so daß das diesen Verbinder enthaltende Gesamtsystem gegen elektromagnetische Störungen anfällig wird.By opening the braid for the purpose of pulling it over the sleeve, the shield becomes electromagnetically leaky, so that the overall system containing this connector is susceptible to electromagnetic interference.

Aus der DE 83 29 128 U1 ist eine Vorrichtung zum Verschrauben eines Koaxialkabelendes an einem Verstärkergehäuse mit den Merkmalen des Oberbegriffs des Anspruchs 1 bekannt, bei welcher der Schirm mit der Hülse nur mittelbar über einen Kontaktkäfig verbunden ist. Der Kontaktkäfig befindet sich in einem radialen Spalt zwischen dem Schirm und einem vergrößerten Innendurchmesser der Hülse. Der Kontaktkäfig reicht mit einem axialen Ende bis zum zugehörigen axialen Ende der Hülse.From DE 83 29 128 U1 a device for screwing a coaxial cable end to an amplifier housing with the features of the preamble of claim 1 is known, in which the screen is connected to the sleeve only indirectly via a contact cage. The contact cage is located in a radial gap between the screen and an enlarged inner diameter of the sleeve. The contact cage extends with one axial end to the associated axial end of the sleeve.

Bei den Frequenzen, für welche Hochfrequenzkabel häufig eingesetzt werden, nämlich ab etwa 1 MHz, wirkt ein Kontaktkäfig wie ein Schlitzstrahler. D.h., er strahlt Hochfrequenzstrahlung ab und nimmt einstrahlende Hochfrequenzstrahlung auf. Der sich an Hülse und Kontaktkäfig anschließende Endbereich des über dem Schirm befindlichen Außenmantels des Kabel kann derartige störende Ab- und Einstrahlung nicht verhindern.At the frequencies for which high-frequency cables are frequently used, namely from around 1 MHz, a contact cage acts like a slot radiator. That is, it emits high-frequency radiation and absorbs high-frequency radiation. The end region of the outer sheath of the cable located above the shield and adjoining the sleeve and contact cage cannot prevent such disturbing radiation and radiation.

Damit ein ausreichend guter elektrischer Kontakt zwischen Hülse und Schirm hergestellt wird, auch bei zu erwartenden Herstellungstoleranzen, muß der Kontaktkäfig eine relativ starke Federkraft aufweisen. Das zwischen Schirm und Innenleiter befindliche Dielektrikum von Kabeln mit besonders guten Hochfrequenzeigenschaften besteht häufig aus relativ weichem Material, nämlich gerecktem und dadurch mikroporösen Polytetrafluorethylen (PFTE). Dieses weiche Material wird durch die Federkraft des Kontaktkäfigs radial nach innen zusammengedrückt. Die Folge ist eine Deformierung des Kabelaufbaus an der Stelle des Kontaktkäfigs. Diese wiederum führt zu einer unerwünschten Veränderung des Wellenwiderstandes des Kabels an der Stelle des Kontaktkäfigs. Diese Wellenwiderstandsänderung beeinträchtigt über das Kabel zu übertragende Hochfrequenzsignale.The contact cage must have a relatively strong spring force so that a sufficiently good electrical contact is made between the sleeve and the screen, even if the manufacturing tolerances are to be expected. The dielectric of cables with particularly good high-frequency properties located between the shield and the inner conductor often consists of relatively soft material, namely stretched and therefore microporous polytetrafluoroethylene (PFTE). This soft material is compressed radially inwards by the spring force of the contact cage. The result is a deformation of the cable structure at the point of the contact cage. This in turn leads to an undesirable change in the wave resistance of the cable at the point of the contact cage. This change in wave resistance affects high-frequency signals to be transmitted via the cable.

Der Erfindung liegt die Aufgabe zugrunde, eine Verbindungsmethode verfügbar zu machen, mittels welcher sich der Kabelschirm an einen Verbinder anschließen läßt, ohne daß es zu einer Beeinträchtigung der elektromagnetischen Abschirmwirkung und der elektrischen Übertragungseigenschaften des Kabels kommt.The invention has for its object to provide a connection method by means of which the cable shield can be connected to a connector without the electromagnetic shielding effect and the electrical transmission properties of the cable being impaired.

Die Lösung besteht in einem metallischen Gehäuse gemäß Anspruch 1, das entsprechend den Ansprüchen 2 bis 12 weitergebildet werden kann, sowie in einem Verbinder gemäß Anspruch 13 und einer Verbindungsanordnung nach Anspruch 14 oder 15, die entsprechend Anspruch 16 oder 17 weitergebildet sein kann.The solution consists in a metallic housing according to claim 1, which can be developed according to claims 2 to 12, as well as in a connector according to claim 13 and a connection arrangement according to claim 14 or 15, which can be developed according to claim 16 or 17.

Bei einem erfindungsgemäßen Gehäuse braucht der Schirm des Kabels nicht geöffnet zu werden. Vielmehr wird die Hülse über den ungeöffneten Schirm geschoben. Danach werden Schirm und Hülse elektrisch und mechanisch miteinander verbunden, vorzugsweise durch Verlöten oder durch Aufkrimpen eines auf den Außenumfang der Hülse zurückgeschlagenen Teils des Schirms auf die Hülse. Die Hülse wird dann mit dem metallischen Gehäuse verschraubt. Dies führt zu einer vollflächigen und formschlüssigen festen Verbindung direkter Art zwischen Schirm und Hülse und damit zu einer elektromagnetisch dichten Verbindung. Eine wellenwiderstandsverändernde Kabeldeformierung tritt auch nicht auf.In a housing according to the invention, the screen of the cable does not need to be opened. Rather, the sleeve is pushed over the unopened screen. The screen and sleeve are then connected to one another electrically and mechanically, preferably by soldering or crimping a part of the screen which has been turned back onto the outer circumference of the sleeve onto the sleeve. The sleeve is then screwed to the metallic housing. This leads to a full-surface and positive connection of a direct type between the screen and the sleeve and thus to an electromagnetically sealed connection. A wave resistance changing cable deformation also does not occur.

Bei dieser Verbindungsmethode behält der Schirm bis in die Hülse hinein seine unveränderte Form. Von der Hülse ab übernimmt diese und an sie anschließend das Gehäuse die elektromagnetische Abschirmung. Eine elektromagnetische Undichtigkeit der Schirmung tritt bei dieser Verbindungsmethode nicht auf.With this connection method, the screen retains its unchanged shape right into the sleeve. From the sleeve this and then the housing takes over the electromagnetic shielding. An electromagnetic leakage of the shielding does not occur with this connection method.

Um die Hülse leichter mit dem Gehäuse verschrauben zu können, ist der aus der Hülse hervorstehende und mit Außengewinde versehene Außenteil der Hülse an diametral gegenüberliegenden Seiten vorzugsweise mit Abplattungen versehen, die es ermöglichen, die Hülse während des Festschraubens der Gewindemutter mit einem Maulschraubenschlüssel festzuhalten. Dabei ist die Durchtrittsöffnung des Gehäuses vorzugsweise an diese abgeplattete Außenkontur des Außenteils der Hülse angepaßt.In order to be able to screw the sleeve more easily to the housing, the outer part of the sleeve protruding from the sleeve and provided with an external thread is preferably provided with flats on diametrically opposite sides which make it possible to hold the sleeve in place with a spanner while the threaded nut is screwed on. The passage opening of the housing is preferably adapted to this flattened outer contour of the outer part of the sleeve.

Die Hülse kann einen abgestuften Innendurchmesser aufweisen, um nicht nur den von dem Außenisoliermantel befreiten Endbereich des Schirms sondern auch einen Endbereich des Außenisoliermantels aufnehmen zu können. Der Übergangsbereich zwischen dem Außenisoliermantel und dem freiliegenden Schirm wird dadurch besonders geschützt.The sleeve can have a stepped inner diameter in order to be able to accommodate not only the end region of the shield which has been freed from the outer insulating jacket, but also an end region of the outer insulating jacket. The transition area between the outer insulating jacket and the exposed screen is particularly protected.

Bei einer bevorzugten Ausführungsform der Erfindung ist auf die aneinander grenzenden Bereiche von Hülse und Kabel eine Kabelknickschutztülle aufgeschoben. Vorzugsweise ist diese an die Mutter angeformt, beispielsweise in Form einer an die Mutter angespritzten Kunststofftülle, und erstreckt sich mit konisch abnehmendem Durchmesser über einen Teil des an die Hülse angrenzenden Bereichs des Kabels.In a preferred embodiment of the invention, a cable kink protection sleeve is pushed onto the adjoining areas of the sleeve and cable. This is preferably molded onto the nut, for example in the form of a plastic sleeve molded onto the nut, and extends with a conically decreasing diameter over part of the region of the cable adjoining the sleeve.

Die Kabelknickschutztülle kann auch nach der Montage des Verbinders an dem Kabel angespritzt werden, vorzugsweise aus dem Material, aus dem der Außenisoliermantel des Kabels besteht. Bei dieser Ausführungsform wird eine Gewindemutter mit einem hülsenförmigen Fortsatz verwendet, auf dem sich mindestens ein Anker für das Material der Kabelknickschutztülle befindet. Nach dem Festschrauben der Gewindemutter werden deren hülsenförmiger Fortsatz mindestens auf einem den Anker umfassenden Teil und der Außenisoliermantel mit der Kabelknickschutztülle umspritzt. Hierdurch wird eine zusätzliche Zugentlastung für das Kabel erreicht.The cable kink protection sleeve can also be molded onto the cable after the connector has been installed, preferably from the material from which the outer insulating jacket of the cable is made. In this embodiment, a threaded nut with a sleeve-shaped extension is used, on which there is at least one anchor for the material of the cable kink protection sleeve. After the threaded nut has been screwed on, its sleeve-shaped extension is extrusion-coated at least on a part comprising the anchor and the outer insulating jacket with the cable kink protection sleeve. This provides an additional strain relief for the cable.

Das metallische Gehäuse kann entweder ein Verbinderendgehäuse sein, das an das metallische Gehäuse eines geschirmten Verbinders angeschraubt ist. Das metallische Gehäuse kann aber auch durch das Metallgehäuse des geschirmten elektrischen Verbinders selbst gebildet sein. Ein wesentlicher Gesichtspunkt bei der erfindungsgemäßen Lösung ist, daß die Verschraubung zwischen der Hülse und dem metallischen Gehäuse jederzeit geöffnet werden kann, so daß Reparaturen an dem Verbinder und/oder den Kontaktstiften des Verbinders durchgeführt werden können.The metallic housing can either be a connector end housing that is screwed to the metallic housing of a shielded connector. The metallic Housing can also be formed by the metal housing of the shielded electrical connector itself. An essential aspect of the solution according to the invention is that the screw connection between the sleeve and the metallic housing can be opened at any time, so that repairs can be carried out on the connector and / or the contact pins of the connector.

Die erfindungsgemäße Lösung eignet sich auch für sogenannte EMV-Schläuche, d.h. geschirmte Kabel ohne Inhalt, wobei die Kabelleiter oder Adern erst später eingezogen werden. Dabei steht EMV für elektromagnetische Verträglichkeit.The solution according to the invention is also suitable for so-called EMC hoses, ie shielded cables without content, the cable conductors or wires being drawn in later. EMC stands for electromagnetic compatibility.

Die Erfindung wird nun anhand von Ausführungsformen näher erläutert. In der Zeichnung zeigen:

Fig. 1
eine schematische Seitenansicht eines an ein geschirmtes Kabel angeschlossenen metallischen Gehäuses;
Fig. 2
einen Teil der in Fig. 1 gezeigten Verbindungsanordnung gemäß einer ersten Ausführungsform der Erfindung;
Fig. 3
einen Teil der in Fig. 1 gezeigten Verbindungsanordnung gemäß einer zweiten Ausführungsform der Erfindung;
Fig. 4
ein bevorzugtes Ausführungsbeispiel einer Hülse der in Fig. 1 gezeigten Verbindungsanordnung;
Fig. 5
ein an die in Fig. 4 gezeigte Hülse angepaßtes metallisches Gehäuse;
Fig. 6
eine für die Verbindungsanordnung nach Fig. 1 verwendbare Kabelknickschutztülle; und
Fig. 7
eine Modifikation der in Fig. 1 gezeigten Verbindungsanordnung.
The invention will now be explained in more detail by means of embodiments. The drawing shows:
Fig. 1
is a schematic side view of a metallic housing connected to a shielded cable;
Fig. 2
a part of the connection arrangement shown in Figure 1 according to a first embodiment of the invention.
Fig. 3
a part of the connection arrangement shown in Figure 1 according to a second embodiment of the invention.
Fig. 4
a preferred embodiment of a sleeve of the connection arrangement shown in Fig. 1;
Fig. 5
a metallic housing adapted to the sleeve shown in FIG. 4;
Fig. 6
a usable for the connection arrangement of Figure 1 cable protection sleeve. and
Fig. 7
a modification of the connection arrangement shown in Fig. 1.

Fig. 1 zeigt die Anwendung der Erfindung bei einem metallischen Verbinderendgehäuse, das seinerseits an das metallische Gehäuse eines nicht gezeigten Verbinders angeschraubt werden kann.Fig. 1 shows the application of the invention in a metallic connector end housing, which in turn can be screwed onto the metallic housing of a connector, not shown.

Fig. 1 zeigt ein metallisches Gehäuse 11 mit einer kabeleinführseitigen Stirnwand 13, in der eine Durchtrittsöffnung 15 gebildet ist. In der Durchtrittsöffnung 15 befindet sich eine Hülse 17, die einen aus dem Gehäuse 11 herausragenden Außenteil 19 mit einem Außengewinde 21 und einen an der Innenseite der Stirnwand 13 anliegenden radialen Flansch 23 aufweist. Auf das Außengewinde 21 ist eine Gewindemutter 25 aufgeschraubt, mittels welcher die Seitenwand 13 und der Flansch 23 aneinander befestigt werden. An das aus dem Gehäuse 11 herausragende Ende der Hülse 17 schließt sich ein Außenisoliermantel 27 eines elektrischen Kabels 29 an.1 shows a metallic housing 11 with an end wall 13 on the cable insertion side, in which a passage opening 15 is formed. In the passage opening 15 there is a sleeve 17, which has an outer part 19 protruding from the housing 11 with an external thread 21 and a radial flange 23 abutting the inside of the end wall 13. A threaded nut 25 is screwed onto the external thread 21, by means of which the side wall 13 and the flange 23 are fastened to one another. An outer insulating jacket 27 of an electrical cable 29 connects to the end of the sleeve 17 protruding from the housing 11.

Wie am deutlichsten Fig. 2 zeigt, weist das Kabel 29 einen geflochtenen Schirm 31 auf. Dieser ist am Kabelende durch Abmanteln eines Stückes des Außenisoliermantels 27 freigelegt. Auf den freigelegten Schirm 31 wird die Hülse 17 aufgeschoben. Die Hülse 17 weist eine Durchführöffnung 33 auf, die so an den Außendurchmesser des Schirms 31 angepaßt ist, daß die Hülse 17 gerade auf den Schirm 31 aufgeschoben werden kann.As most clearly shown in FIG. 2, the cable 29 has a braided screen 31. This is exposed at the end of the cable by stripping a piece of the outer insulating jacket 27. The sleeve 17 is pushed onto the exposed screen 31. The sleeve 17 has a feed-through opening 33 which is adapted to the outer diameter of the screen 31 in such a way that the sleeve 17 can just be pushed onto the screen 31.

Fig. 2 zeigt eine Ausführungsform, bei welcher die Hülse 17 nach dem Aufschieben auf den Schirm 31 mit diesem verlötet wird. Dabei wird die Länge des freigelegten Teils des Schirms 31 vorzugsweise so bemessen, daß das freie Ende des Schirms 31 bei vollständig aufgeschobener Hülse 17 im wesentlichen mit dem flanschseitigen Ende der Hülse 17 abschließt. Dabei bildet der Flansch 23 das von dem Außenisoliermantel 27 wegweisende axiale Ende der Hülse 17.Fig. 2 shows an embodiment in which the sleeve 17 is soldered to the screen 31 after being pushed onto it. The length of the exposed part of the screen 31 is preferably dimensioned such that the free end of the screen 31 essentially closes with the flange-side end of the sleeve 17 when the sleeve 17 is fully pushed on. The flange 23 forms the axial end of the sleeve 17 pointing away from the outer insulating jacket 27.

Fig. 3 zeigt eine Ausführungsform, bei welcher die Hülse 17 auf der von dem Außengewinde 21 abliegenden Seite des Flansches 23 noch einen Hülsenfortsatz 35 aufweist. Bei Verwendung dieser Ausführungsform der Hülse 17 wird der Schirm 31 auf eine solche Länge vom Außenisoliermantel 27 befreit, daß das freie Ende des Schirms 31 nach vollständigem Aufschieben der Hülse 17 um den Hülsenfortsatz 35 herum umgeschlagen werden kann. Auf den umgeschlagenen Teil 37 des Schirms 31 ist eine Krimphülse 39 aufgebracht, mittels welcher der umgeschlagene Teil 37 an dem Hülsenfortsatz 35 festgeklemmt werden kann.FIG. 3 shows an embodiment in which the sleeve 17 also has a sleeve extension 35 on the side of the flange 23 remote from the external thread 21. When using this embodiment of the sleeve 17, the screen 31 is freed from the outer insulating jacket 27 to such a length that the free end of the screen 31 can be turned around the sleeve extension 35 after the sleeve 17 has been completely pushed on. A crimp sleeve 39 is applied to the folded-over part 37 of the screen 31, by means of which the folded-over part 37 can be clamped to the sleeve extension 35.

Die Fig. 2 und 3 zeigen isolierte Signalleiter 41, die von dem flanschseitigen bzw. hülsenfortsatzseitigem axialen Ende der Hülse 17 vorstehen und mit Kontakten eines in den Figuren nicht dargestellten Verbinders verbunden werden können.2 and 3 show isolated signal conductors 41 which protrude from the flange-side or sleeve extension-side axial end of the sleeve 17 and can be connected to contacts of a connector (not shown in the figures).

Fig. 4 zeigt in perspektivischer Darstellung eine besonders bevorzugte Ausführungsform einer Hülse 17, wobei das Außengewinde 21 nicht dargestellt ist. Diese Hülse weist zwei diametral gegenüberliegende Abplattungen 43 auf, die zum Angriff eines Maulschraubenschlüssels dienen. Damit kann die Hülse 17 während des Festschraubens der Gewindemutter 25 festgehalten werden.Fig. 4 shows a perspective view of a particularly preferred embodiment of a sleeve 17, wherein the external thread 21 is not shown. This sleeve has two diametrically opposed flats 43, which serve to attack a wrench. So that the sleeve 17 can be held during the screwing of the threaded nut 25.

Fig. 5 zeigt ein Gehäuse 11, dessen Durchtrittsöffnung 15 an die Form der in Fig. 4 dargestellten Hülse angepaßt ist.Fig. 5 shows a housing 11, the passage opening 15 is adapted to the shape of the sleeve shown in Fig. 4.

Fig. 6 zeigt eine Kabelknickschutztülle 45 aus Kunststoff, die an die Gewindemutter 25 angespritzt oder angeklebt ist. In Fig. 1 ist die Kabelknickschutztülle 45 gestrichelt angedeutet.Fig. 6 shows a cable bend protection sleeve 45 made of plastic, which is molded or glued to the threaded nut 25. In Fig. 1, the cable kink protection sleeve 45 is indicated by dashed lines.

Zur Herstellung der erfindungsgemäßen Verbindungsanordnung werden zunächst die Kabelknickschutztülle 45, dann die Gewindemutter 25, oder beide als Einheit, und danach das Gehäuse 11 auf das freie Ende des Kabels 29 aufgeschoben, und zwar soweit, daß das Kabelende für das Abmanteln der betreffenden Isoliermäntel und für das Zuschneiden des Schirms 31 zugänglich ist. Nach dem Abmanteln und dem Zuschneiden des Schirms 31 wird die Hülse 17 auf den freiliegenden Teil des Schirms 31 aufgeschoben und mit diesem verlötet (Fig. 2) oder mittels der Krimphülse 39 (Fig. 3) fest verbunden. Danach wird das Gehäuse 11 bis zum Anschlag der Stirnwand 13 an dem Flansch 23 von dem Kabel abgezogen. Dann wird die Gewindemutter 25 auf das Außengewinde 21 aufgeschraubt, um die Stirnwand 13 zwischen dem Flansch 23 und der Gewindemutter 25 festzuziehen. Schließlich wird die Kabelknickschutzhülle 45 bis zur Gewindemutter 25 geschoben und verklebt, falls sie mit der Gewindemutter 25 nicht ohnehin eine Einheit bildet.To produce the connection arrangement according to the invention, first the cable anti-kink sleeve 45, then the threaded nut 25, or both as a unit, and then the housing 11 is pushed onto the free end of the cable 29, to the extent that the cable end for stripping the relevant insulating sheaths and for the cutting of the screen 31 is accessible. After stripping and cutting the screen 31, the sleeve 17 is pushed onto the exposed part of the screen 31 and soldered to it (FIG. 2) or firmly connected by means of the crimp sleeve 39 (FIG. 3). The housing 11 is then pulled off the cable 23 until the end wall 13 stops on the flange 23. Then the threaded nut 25 is screwed onto the external thread 21 in order to tighten the end wall 13 between the flange 23 and the threaded nut 25. Finally, the cable kink protection sleeve 45 is pushed and glued to the threaded nut 25 if it does not form a unit with the threaded nut 25 anyway.

Eine Modifikation der in Figur 1 gezeigten Verbindungsanordnung zeigt Figur 7. Bei dieser Ausführungsform weist die Hülse 17 einen abgestuften Innendurchmesser auf. Zwischen einem größeren Innendurchmesser D1 am kabeleinführseitigen Ende der Hülse 17 und einem kleineren Innendurchmesser D2, der sich über die restliche axiale Länge der Hülse 17 erstreckt, befindet sich eine Durchmesserstufe 51. Der größere Durchmesser D1 ist an den Außendurchmesser des Kabels 29 angepaßt, so daß er einen Endbereich des Außenisoliermantels 27 des Kabels 29 aufnehmen kann. Der kleinere Innendurchmesser D2 ist an den Außendurchmesser des Schirms 31 angepaßt, so daß sich der freigelegte Bereich des Schirms 31 durch den Hülsenbereich mit kleinerem Durchmesser D2 hindurch erstrecken kann. Dabei kann das Ende des Schirms 31 mit dem im Gehäuse 11 befindlichen inneren Ende der Hülse 17 fluchten oder, wie in Figur 7 gezeigt, über das innere Ende der Hülse 17 vorstehen.A modification of the connection arrangement shown in FIG. 1 is shown in FIG. 7. In this embodiment, the sleeve 17 has a stepped inner diameter. Between a larger inner diameter D1 at the cable insertion end of the sleeve 17 and a smaller inner diameter D2, which extends over the remaining axial length of the sleeve 17, there is a diameter step 51. The larger diameter D1 is adapted to the outer diameter of the cable 29 so that it can accommodate an end region of the outer insulating jacket 27 of the cable 29. The smaller inner diameter D2 is adapted to the outer diameter of the screen 31, so that the exposed area of the screen 31 can extend through the sleeve area with a smaller diameter D2. The end of the screen 31 can be aligned with the inner end of the sleeve 17 located in the housing 11 or, as shown in FIG. 7, protrude beyond the inner end of the sleeve 17.

Durch Verwendung einer Hülse 17 mit derart abgestuftem Innendurchmesser erreicht man, daß der Übergang zwischen Außenisoliermantel 27 und freigelegtem Schirm 31 geschützt innerhalb der Hülse 17 liegt. Ein Spalt zwischen Hülse 17 und Außenisoliermantel 27 ist so vermieden.By using a sleeve 17 with such graduated inner diameter, the transition between the outer insulating jacket 27 and the exposed screen 31 is protected within the sleeve 17. A gap between the sleeve 17 and the outer insulating jacket 27 is avoided.

Bei der in Figur 7 gezeigten Verbindungsanordnung ist außerdem die Gewindemutter 25 modifiziert. Sie weist auf der Kabeleinführseite einen hülsenförmigen Fortsatz 47 auf, von dessen freiem Ende sich ein radialer Anker 49 erstreckt. Dieser kann als radialer, um den hülsenförmigen Fortsatz 47 umlaufender Flansch oder in Form von mehreren radial abstehenden Zähnen oder Widerhaken ausgebildet sein. Vorteilhafterweise ist die gesamte Gewindemutter 25, einschließlich ihres hülsenartigen Fortsatzes 47, mit einem Außengewinde versehen. Dies ist jedoch nicht zwingend erforderlich.In the connection arrangement shown in FIG. 7, the threaded nut 25 is also modified. It has a sleeve-shaped extension 47 on the cable entry side, from the free end of which a radial armature 49 extends. This can be designed as a radial flange encircling the sleeve-shaped extension 47 or in the form of a plurality of radially projecting teeth or barbs. Advantageously, the entire threaded nut 25, including its sleeve-like extension 47, is provided with an external thread. However, this is not absolutely necessary.

Bei dieser Ausführungsform einer Verbinderanordnung kann man entweder eine vorgeformte Kabelknickschutztülle 45 verwenden, die ein an den hülsenförmigen Fortsatz 47 und den Anker 49 angepaßtes Innendurchmesserprofil aufweist und nach dem Festschrauben der Gewindemutter 25 vom Kabel 29 her auf den Anker 49 und den hülsenförmigen Fortsatz 47 aufgeschoben wird. Zu diesem Zweck kann man den Anker 49 auf der vom Gehäuse 11 wegweisenden Seite mit einer Auflaufschräge versehen, um das Aufschieben der Kabelknickschutztülle 45 zu erleichtern, die bei dieser Ausführungsform aus einem flexiblen Kunststoff besteht.In this embodiment of a connector arrangement, one can either use a preformed cable kink protection sleeve 45, which is attached to the sleeve-shaped extension 47 and the anchor 49 has adapted inner diameter profile and after screwing the threaded nut 25 from the cable 29 is pushed onto the anchor 49 and the sleeve-shaped extension 47. For this purpose, the anchor 49 can be provided on the side facing away from the housing 11 with a run-up slope in order to facilitate the pushing on of the cable kink protection sleeve 45, which in this embodiment consists of a flexible plastic.

Besonders vorteilhaft ist es allerdings, einen den Anker 49 umfassenden Teil des Hülsenfortsatzes 47 nach dem Festschrauben der Gewindemutter 25 und einen an den hülsenförmigen Fortsatz angrenzenden axialen Bereich des Kabels 29 zur Formung der Kabelknickschutztülle 45 mit Kunststoff zu umspritzen. Hierfür wird vorzugsweise das gleiche Kunststoffmaterial verwendet, aus dem auch der Außenisoliermantel 27 des Kabels 29 besteht. Vorzugsweise weist das zum Gehäuse 11 gerichtete Ende der Kabelknickschutztülle 45 einen axialen Abstand von dem am Gehäuse 11 anliegenden Teil der Gewindemutter 25 auf.However, it is particularly advantageous to overmold a part of the sleeve extension 47 comprising the armature 49 after the threaded nut 25 has been screwed tight and an axial region of the cable 29 adjoining the sleeve-shaped extension to form the cable kink protection sleeve 45 with plastic. For this purpose, the same plastic material is preferably used from which the outer insulating jacket 27 of the cable 29 is made. The end of the cable anti-kink bushing 45 directed towards the housing 11 is preferably axially spaced from the part of the threaded nut 25 which bears against the housing 11.

Diese Art Kabelknickschutztülle 45 bewirkt eine zusätzliche Zugentlastung des Kabels 29 dadurch, daß der Außenisoliermantel 27 nun über die Gewindemutter 25 und die Hülse 17 mit dem metallischen Gehäuse 11 verbunden ist, ohne daß der Schirm 31 die Hauptzuglast tragen muß. Es ergibt sich eine bessere Kraftverteilung bei Belastung, wodurch die Löt- bzw. Krimpverbindung zwischen Hülse 17 und Schirm 31 entlastet wird. Ferner erreicht man eine festere Verbindung, auch gegen Vibrationsschäden, da sich die Mutter nicht durch Vibrationen lösen kann sondern von der umspritzten Knickschutztülle 45 festgehalten wird. Außerdem erreicht man einen besseren Knickschutz.This type of cable kink protection sleeve 45 provides additional strain relief for the cable 29 in that the outer insulating jacket 27 is now connected to the metallic housing 11 via the threaded nut 25 and the sleeve 17 without the screen 31 having to bear the main tensile load. There is a better force distribution under load, whereby the soldered or crimp connection between sleeve 17 and screen 31 is relieved. Furthermore, a stronger connection is achieved, also against vibration damage, since the nut cannot be loosened by vibrations but is held in place by the molded anti-kink sleeve 45. Better kink protection is also achieved.

Die durch Umspritzen erzeugte Kabelknickschutztülle 45 ist auch lösbar, indem sie zwischen dem Kopf der Gewindemutter 25 und dem Anker 49 schräg angeschnitten wird, bis in die Ecke des rechten Winkels zwischen Anker 49 und hülsenförmigem Fortsatz 47, und dann einfach abgezogen wird. Dies bedeutet, daß auch bei dieser Ausführungsform einer erfindungsgemäßen Verbinderanordnung ein Reparieren vor Ort möglich ist. Nach Beendigung der Reparatur wird über den Außenisoliermantel 27 und das Gehäuse 11 einfach ein Schrumpfschlauch aufgebracht.The cable anti-kink sleeve 45 produced by extrusion coating can also be released by cutting it obliquely between the head of the threaded nut 25 and the anchor 49, into the corner of the right angle between the anchor 49 and the sleeve-shaped extension 47, and then simply pulling it off. This means that even in this embodiment of a connector arrangement according to the invention, repair on site is possible. After the repair is complete, a shrink tube is simply applied over the outer insulating jacket 27 and the housing 11.

Claims (17)

Metallisches Gehäuse für einen geschirmten elektrischen Verbinder zum Anschluß an einen schlauchartigen elektrischen Schirm (31) eines an den Verbinder anzuschließenden elektrischen Kabels (29), wobei das Gehäuse (11) eine kabeleinführseitige Durchtrittsöffnung (15) aufweist,
daß die Durchtrittsöffnung (15) in einer kabeleinführseitigen Stirnwand (13) des Gehäuses (11) gebildet ist, durch die Durchtrittsöffnung (15) eine Hülse (17) mit einer Durchführöffnung (33) hindurchreicht, die Hülse (17) mit
einem an einer Seite der Stirnwand (13) anliegenden Flansch (23) und mindestens auf einem von der anderen Seite der Stirnwand (13) vorstehenden Teil (19 409 Seite der Stirnwand (13) vorstehenden Teil (19) mit einem Außengewinde (21) versehen ist.
auf das eine Gewindemutter (25)
zum Festklemmen der Stirnwand (13) zwischen dem Flansch (23) und der Gewindemutter (25) aufgeschraubt ist, dadurch gekennzeichnet,
daß die Hülse (17) mit ihrer Durchführöffnung (15) an den Außendurchmesser des Schirms (31) angepaßt und somit mit dem Schirm (31) vollflächig und damit elektromagnetisch dicht verbindbar ist.Metallic housing for a shielded electrical connector for connection to a hose-like electrical screen (31) of an electrical cable (29) to be connected to the connector, the housing (11) having a passage opening (15) on the cable entry side,
that the passage opening (15) is formed in an end wall (13) of the housing (11) on the cable entry side, a sleeve (17) with a passage opening (33) extends through the passage opening (15), the sleeve (17) with
Provide a flange (23) resting on one side of the end wall (13) and at least on a part (19 409 side of the end wall (13) projecting from the other side of the end wall (13) with an external thread (21) is.
on the one nut (25)
for clamping the end wall (13) between the flange (23) and the threaded nut (25), characterized in that
that the sleeve (17) with its through opening (15) is adapted to the outer diameter of the screen (31) and is thus connected to the screen (31) over the entire surface and thus in an electromagnetically tight manner. Gehäuse nach Anspruch 1,
dadurch gekennzeichnet,
daß der Flansch (23) an der Innenseite der Stirnwand (13) anliegt und ein aus dem Gehäuse herausragender Außenteil (19) der Hülse (17) mit einem Außengewinde (21) versehen ist.Housing according to claim 1,
characterized,
that the flange (23) abuts the inside of the end wall (13) and an outer part (19) of the sleeve (17) protruding from the housing is provided with an external thread (21). Gehäuse nach Anspruch 2,
dadurch gekennzeichnet,
daß sich die Hülse (17) auf der von dem Außenteil (19) abliegenden Innenseite des Flansches (23) in das Gehäuse (11) hineinfortsetzt.Housing according to claim 2,
characterized,
that the sleeve (17) continues on the inside of the flange (23) remote from the outer part (19) into the housing (11). Gehäuse nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet,
daß die Hülse (17) einen gestuften Innendurchmesser aufweist, wobei ein an das kabeleinführseitige Ende der Hülse (17) angrenzender Endbereich der Hülse (17) einen an den Außendurchmesser des Kabels (29) angepaßten größeren Innendurchmesser (D1) und der restliche Bereich der Hülse (17) einen an den Außendurchmesser des Schirms (31) angepaßten kleineren Innendurchmesser (D2) aufweist.Housing according to claim 1, 2 or 3,
characterized,
that the sleeve (17) has a stepped inner diameter, an end region of the sleeve (17) adjoining the cable insertion end of the sleeve (17), a larger inner diameter (D1) adapted to the outer diameter of the cable (29) and the remaining region of the sleeve (17) has a smaller inner diameter (D2) adapted to the outer diameter of the screen (31). Gehäuse nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Hülse (17) an dem Außenteil (19) mit einem Angriffsbereich für ein Festhaltewerkzeug versehen ist.Housing according to one of claims 1 to 4,
characterized,
that the sleeve (17) on the outer part (19) is provided with an engagement area for a holding tool. Gehäuse nach Anspruch 5,
dadurch gekennzeichnet,
daß der Angriffsbereich durch zwei achsensymmetrische Abplattungen (43) des Außenteils (19) gebildet ist, an denen mit einem Maulschraubenschlüssel angreifbar ist.Housing according to claim 5,
characterized,
that the area of attack is formed by two axially symmetrical flattenings (43) of the outer part (19) which can be attacked with a wrench. Gehäuse nach Anspruch 6,
dadurch gekennzeichnet,
daß die Durchtrittsöffnung (15) an die abgeplattete Kontur des Außenteils (19) der Hülse (17) angepaßt ist.Housing according to claim 6,
characterized,
that the passage opening (15) is adapted to the flattened contour of the outer part (19) of the sleeve (17). Gehäuse nach mindestens einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß auf der von der Seitenwand wegweisenden Seite der Gewindemutter (25) eine Kabelknickschutztülle (45) mit einer an den Außendurchmesser des Kabels (29) angepaßten Kabeldurchgangsöffnung angeordnet ist.Housing according to at least one of claims 1 to 7,
characterized,
that on the side of the threaded nut (25) facing away from the threaded nut (45) there is a cable kink protection sleeve (45) with a cable passage opening adapted to the outside diameter of the cable (29). Gehäuse nach Anspruch 8,
dadurch gekennzeichnet,
daß die Kabelknickschutztülle (45) an die Gewindemutter (25) angeformt oder angeklebt ist.Housing according to claim 8,
characterized,
that the cable kink protection sleeve (45) is molded or glued to the threaded nut (25). Gehäuse nach Anspruch 9,
dadurch gekennzeichnet,
daß die Gewindemutter (25) auf der Kabeleinführseite einen hülsenförmigen Fortsatz (47) aufweist, an dessen Außenumfang mindestens ein radial abstehender Anker (49) für die Verankerung einer nach dem Festschrauben der Gewindemutter (25) auf das Kabel (29) und den hülsenförmigen Fortsatz (47) aufgespritzten Kabelknickschutztülle (45) vorgesehen ist.Housing according to claim 9,
characterized,
that the threaded nut (25) on the cable insertion side has a sleeve-shaped extension (47), on the outer circumference of which there is at least one radially projecting anchor (49) for anchoring one after screwing the threaded nut (25) onto the cable (29) and the sleeve-shaped extension (47) sprayed cable bend protection sleeve (45) is provided. Gehäuse nach mindestens einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
daß das Gehäuse (11) ein an einem Verbindergehäuse befestigtes metallisches Verbinderendgehäuse ist.Housing according to at least one of claims 1 to 10,
characterized,
that the housing (11) is a metallic connector end housing attached to a connector housing. Gehäuse nach mindestens einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet,
daß das Gehäuse (11) das metallische Außengehäuse eines Verbinders bildet.Housing according to at least one of claims 1 to 10,
characterized,
that the housing (11) forms the metallic outer housing of a connector. Elektrischer Verbinder mit einem Metallgehäuse nach mindestens einem der Ansprüche 1 bis 12.Electrical connector with a metal housing according to at least one of claims 1 to 12. Verbindungsanordnung mit einem elektrischen Verbinder nach Anspruch 13,
dadurch gekennzeichnet,
daß die Hülse (17) auf einen von einem Außenisoliermantel (27) des Kabels (29) befreiten Endbereich des Schirms (31) aufgeschoben und mit dem Schirm (31) verlötet ist.Connection arrangement with an electrical connector according to claim 13,
characterized,
that the sleeve (17) is pushed onto an end region of the shield (31) which is freed from an outer insulating jacket (27) of the cable (29) and is soldered to the shield (31). Verbindungsanordnung mit einem elektrischen Verbinder nach Anspruch 13,
dadurch gekennzeichnet,
daß die Hülse (17) auf einen von einem Außenisoliermantel (27) des Kabels (29) befreiten Endbereich des Schirms (31) aufgeschoben ist, und daß ein über das gehäuseseitige Ende der Hülse (17) vorstehender Teil des Schirms (31) über einen vom Flansch (23) in das Gehäuse (11) vorstehenden Hülsenfortsatz (35) zurückgeschlagen und dort mittels einer auf den zurückgeschlagenen Schirmteil aufgequetschten Krimphülse (39) befestigt ist.Connection arrangement with an electrical connector according to claim 13,
characterized,
that the sleeve (17) is pushed onto an end region of the screen (31) which is freed from an outer insulating jacket (27) of the cable (29), and that a part of the screen (31) projecting over the housing-side end of the sleeve (17) has a from the flange (23) into the housing (11) projecting sleeve extension (35) and is fastened there by means of a crimp sleeve (39) squeezed onto the folded back shield part. Verbindungsanordnung nach Anspruch 14 oder 15, wobei die Hülse (17) nach Anspruch 4 ausgebildet ist, dadurch gekennzeichnet,
daß sich der Außenisoliermantel (27) des Kabels in den Hülsenbereich größeren Durchmessers (D1) hineinerstreckt, vorzugsweise bis zur Innendurchmesserstufe (51), und daß sich der von dem Außenisoliermantel (27) befreite Bereich des Schirms (31) durch den Hülsenbereich kleineren Durchmessers (D2) hindurcherstreckt.Connection arrangement according to claim 14 or 15, wherein the sleeve (17) is designed according to claim 4, characterized in that
that the outer insulating jacket (27) of the cable extends into the sleeve area of larger diameter (D1), preferably up to the inner diameter step (51), and that the area of the shield (31) freed from the outer insulating jacket (27) extends through the sleeve area of smaller diameter ( D2) extends through. Verbindungsanordnung nach Anspruch 15 oder 16, wobei eine Gewindemutter (25) gemäß Anspruch 10 vorgesehen ist, dadurch gekennzeichnet,
daß mindestens ein den Anker (49) umfassender axialer Teil des hülsenförmigen Fortsatzes (47) der Gewindemutter (25) und der an den hülsenförmigen Fortsatz (47) angrenzende Bereich des Außenisoliermantels (27) des Kabels (29) mit einer Kabelknickschutztülle (45) umspritzt sind, die vorzugsweise aus dem Material des Außenisoliermantels (27) besteht.Connection arrangement according to claim 15 or 16, wherein a threaded nut (25) is provided according to claim 10, characterized in that
that at least one axial part of the sleeve-shaped extension (47) of the threaded nut (25) encompassing the armature (49) and the area of the outer insulating jacket (27) of the cable (29) adjacent to the sleeve-shaped extension (47) are extrusion-coated with a cable kink protection sleeve (45) are, which preferably consists of the material of the outer insulating jacket (27).
EP91106693A 1990-04-30 1991-04-25 Metallic connector housing Expired - Lifetime EP0455139B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013963A DE4013963A1 (en) 1990-04-30 1990-04-30 METAL CONNECTOR HOUSING
DE4013963 1990-04-30

Publications (2)

Publication Number Publication Date
EP0455139A1 true EP0455139A1 (en) 1991-11-06
EP0455139B1 EP0455139B1 (en) 1995-03-15

Family

ID=6405498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106693A Expired - Lifetime EP0455139B1 (en) 1990-04-30 1991-04-25 Metallic connector housing

Country Status (7)

Country Link
US (3) US5536185A (en)
EP (1) EP0455139B1 (en)
JP (1) JP3140479B2 (en)
AT (1) ATE120046T1 (en)
DE (2) DE4013963A1 (en)
ES (1) ES2069113T3 (en)
IL (1) IL97992A (en)

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EP0762552A1 (en) * 1995-08-11 1997-03-12 W.L. GORE &amp; ASSOCIATES GmbH Backshell for connector

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Also Published As

Publication number Publication date
DE4013963C2 (en) 1993-07-29
DE4013963A1 (en) 1991-10-31
US5536185A (en) 1996-07-16
DE59104928D1 (en) 1995-04-20
IL97992A (en) 1996-07-23
IL97992A0 (en) 1992-06-21
ATE120046T1 (en) 1995-04-15
ES2069113T3 (en) 1995-05-01
EP0455139B1 (en) 1995-03-15
JPH04230974A (en) 1992-08-19
US5997353A (en) 1999-12-07
US5718608A (en) 1998-02-17
JP3140479B2 (en) 2001-03-05

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