EP1428299A1 - Sealing device for electrical plug connectors - Google Patents
Sealing device for electrical plug connectorsInfo
- Publication number
- EP1428299A1 EP1428299A1 EP02754346A EP02754346A EP1428299A1 EP 1428299 A1 EP1428299 A1 EP 1428299A1 EP 02754346 A EP02754346 A EP 02754346A EP 02754346 A EP02754346 A EP 02754346A EP 1428299 A1 EP1428299 A1 EP 1428299A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing device
- retaining element
- sealing
- installation space
- contact
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
Definitions
- the invention relates to a sealing device for electrical connectors according to the preamble of claim 1.
- a sealing device is known in application in an electrical connector from DE 44 34 030 AI.
- the connector has a housing to which a large number of individual cables, bundled as a cable harness, are fed. Each of the cables is connected at one end to a connection section of a contact element.
- the contact elements are mounted in a contact carrier of the connector for contacting mating contact elements.
- water access to the contact elements via the cables must be prevented.
- the contact elements connected to the cables are guided through a sealing plate made of elastic material after being passed through a pressure plate.
- the pressure plate and the sealing plate have a number of recesses corresponding to the number of contact elements.
- the cables are positively enclosed and sealed by pressing the sealing plate through the pressure plate.
- This type of sealing is disadvantageous because of the need to provide a sealing plate with recesses, which is cost-intensive and expensive in terms of production technology because of the precise fitting of recesses in an elastic and therefore difficult to process material. To make matters worse, the recesses can be damaged and inoperable when performing sharp-edged contact elements. Furthermore, the number of recesses must exactly match the number of contact elements.
- the sealing device according to the invention for electrical connectors with the characterizing features of claim 1 has the advantage that the aforementioned shortcomings are avoided to a satisfactory extent.
- the sealing device has a retaining element which makes it possible to use an installation space of the sealing device in a connector housing of the connector for the use of a flowable, curable sealing compound.
- FIG. 1 An embodiment of a sealing device for electrical connectors is shown in the drawing and explained in more detail in the figure description.
- the figure shows the connector with the sealing device in a sectional view.
- An electrical connector 11 is part of an electrical connector.
- the connector 11 is designed as a portable cable harness connector and can be coupled in a detachable manner to a fixed mating connector 12, which is only shown in part, as the other part of the connector.
- the connector 11 has a frame-shaped connector housing 13 made of plastic.
- a contact carrier 14 made of plastic is inserted, circumferentially sealed in a manner not shown.
- the contact carrier 14 contains a number of receiving chambers 16 corresponding to the number of poles of the connector 11, one of which is shown in the figure.
- the receiving chambers 16 penetrate the contact carrier 14 axially, corresponding to a plug-in direction of the connector 11 along an arrow 17, and end at the front end on a plug-in side 18 of the plug-in connector 11, on which the coupling with the mating connector 12 takes place.
- the receiving chambers 16 open on an assembly side 19 of the contact carrier 14 into a trough-shaped installation space 21 of the plug housing 13.
- the installation space 21 is designed at least in the region of the assembly side 19 with a retaining element 22, so that the receiving chambers 16 at their ends on this side are covered.
- a light-flowing, self-leveling, curable and then partially elastic sealing compound 23 is filled into the installation space 21.
- the sealing compound 23 and the retaining element 22 as a prerequisite for a functionally reliable use of the sealing compound 23 in the connector 11 together form a sealing device 24 for the connector 11.
- the sealing compound 23 can be axially non-positively loaded by a pressure plate 26, which is subsequently introduced into the installation space 21 and then completely covers the sealing compound 23.
- the plastic pressure plate 26 has a number of axially directed bushings 27 corresponding to the number of poles of the connector 11, one of which is shown in the figure.
- the connector 11 is completed by the assembly of contact elements 28, each having a contact section 29 at one free end for contacting a mating contact element 30 of the mating connector 12 and a connection section 31 at the other end.
- a cable 32 is connected in an electrically conductive manner to the connecting section 31, which is only partially drawn in the figure and is part of a cable harness leading out from the plug connector 11.
- the insertion of the contact elements 28 into the plug housing 13 takes place with a contact section 29 in front during a plug-in process through the assigned bushing 27, the sealing compound 23 and the retaining element 22 into the receiving chamber 16 until an end face 33 of the contact element 28 stops on an inner shoulder 34 of the Receiving chamber 16.
- the contact elements 28 are secured in this functional position against being pulled back out of the receiving chambers 16 against the direction of the arrow 17 after they have been fully inserted into the receiving chambers 16.
- the sealing device 24 has, as a central functional element, the pourable, self-leveling sealing compound 23, which must be prevented from flowing through the receiving chambers 16 of the contact carrier 14 when it is poured into the installation space 21. This flow is prevented by the retaining element 22, which can be designed in a wide variety of ways and the different configurations listed here are only mentioned as examples.
- the retaining element 22 can consist of a thin layer of dust, which preferably has a platelet-shaped structure, so that a thin-layer, easily penetrable closure of the bushings 27 is possible.
- Talc or mica are preferably used as substances for the dust layer, because they can form a layer even with the thinnest application due to their platelet-shaped structure. These substances are advantageously provided in a high degree of fineness, so that when the contact elements are pushed through, the entrained portions of the dust layer do not hinder the electrical contact.
- the retaining element 22 can consist of a film. This film can be formed in a spray order on the component side 19 of the contact carrier 14 or consist of an inserted, separate part.
- a common version of the separate part consists of a thin foam insert that is open-pored.
- the foam insert can have a cover surface 36 which is closed-pore on one side and faces away from the sealing compound 23. This reliably prevents the sealant 23 from flowing through the foam insert.
- the film can be made of an elastomer such as silicone rubber. The advantage here is that due to a chemical structure comparable to that of the sealant, good adhesion is created between these substances.
- the film made of a thermoplastic such as polyethylene, polypropylene,
- Polyethylene terephthalate from composites thereof or from layered films provided with hot melt adhesive.
- the advantage here is that very thin foils can be produced, which have sufficient strength with regard to handling and at the same time have the desired low puncture resistance when carrying out the contact elements 28.
- the film can consist of a high-temperature-resistant plastic such as polytetrafluoroethylene or copolymers thereof. It is advantageous that high reaction temperatures can be used for the rapid hardening of the light-weight sealant 23.
- the retaining element 22 can be a fibrous material such as felt or paper as a separate part.
- the advantage here is that, despite the compact nature of the fibrous material, capillary forces soak quickly with the easy-flowing sealing compound 23, thus creating an easily penetrable retaining element 22.
- the separate part can also be formed by a bulk material.
- silicone rubber threads come into question here in the form of a disordered layer (tangled) or as cut goods.
- the disordered position has the advantage that the manufacturing costs for the retaining element 22 are particularly low.
- spherical or geometrically differently shaped particles made of silicone gel or silicone aerosols are also listed, which are introduced onto the component side 19 of the contact carrier 14 by inflation or spray application. It is advantageous that the chemical structure comparable to that of the sealing compound 23 creates a bond between the substances which inhibits the discharge of particles when the contact elements 28 are pushed through.
- soft, open-pore nonwovens or bulk fibers for the retaining element 22. These can be introduced by inflation or by separate manufacture and placement on the component side 19 of the contact carrier 14. The advantage here is that they can be easily soaked during pouring and can be easily penetrated when the contact elements 28 are pushed through without being carried out by the user.
- sealing compound 23 detaches the retaining element 22 before curing, because a mechanically stable sealing device 24 is thereby formed after the sealing compound 23 has hardened.
- the retaining element 22 may be formed by the sealing compound 23 itself.
- the sealing compound 23 is solidified in marginal zones via thermal influences, for example by a shock-like heat application, when it is applied to the component side 19 of the contact carrier 14.
- the retaining element 22 in several parts and to place these parts at least partially on the contact carrier 14 and on the sealing compound 23. Regardless of the design of the retaining element 22, this allows volumetrically exact partial filling of the installation space 21. In conjunction with the partially elastic sealing compound 23, reproducible and functionally reliable sealing conditions on the plug connectors 11 can be produced in a uniform manner with an equally high contact pressure of the pressure plate 26.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A sealing device for electrical plug connectors is configured in such a way that a favorable, cost-saving and functionally safe production of plug connectors, from a manufacturing point of view, is fulfilled. The plug connectors each have a contact carrier in a plug housing. Contact carrier is penetrated by accommodation chambers, which with one end each open out into one tub-shaped installation space of plug connector. These ends are covered by a restraining element, so that a sealing compound, which is free-flowing, curable and inserted into installation space, which is able to completely seal against contact elements that have been plugged through it, remains in the installation space. The sealing device for electrical plug connectors is provided especially for use in the automobile industry.
Description
Dichtungseinrichtung für elektrische SteckverbinderSealing device for electrical connectors
Stand der TechnikState of the art
Die Erfindung geht aus von einer Dichtungseinrichtung für elektrische Steckverbinder nach der Gattung des Anspruchs 1. Eine solche Dichtungseinrichtung ist in Anwendung in einem elektrischen Steckverbinder aus der DE 44 34 030 AI bekannt.The invention relates to a sealing device for electrical connectors according to the preamble of claim 1. Such a sealing device is known in application in an electrical connector from DE 44 34 030 AI.
Der Steckverbinder weist ein Gehäuse auf, dem eine Vielzahl von einzelnen Kabeln, gebündelt als Kabelbaum, zugeführt ist. Jedes der Kabel ist an einem Ende mit einem Anschlußabschnitt eines Kontaktelements verbunden. Die Kontaktelemente sind in einem Kontaktträger des Steckverbinders zur Kontaktierung mit Gegenkontaktelementen gelagert. Um insbesondere die Kontaktstellen zwischen Kontaktelementen und Gegenkontaktelementen vor Korrosion zu schützen, ist eine Wasserzutrittmöglichkeit zu den Kontaktelementen über die Kabel zu unterbinden. Dazu werden die mit den Kabeln verbundenen Kontaktelemente nach der Durchführung durch eine Druckplatte durch eine Dichtplatte aus elastischem Material geführt. Die Druckplatte und die Dichtplatte weisen dazu eine der Anzahl der Kontaktelemente entsprechende Anzahl von Ausnehmungen auf. Mit einem Verpressen der Dichtplatte durch die Druckplatte werden die Kabel formschlüssig umschlossen und abgedichtet.
Diese Art der Abdichtung ist durch die Notwendigkeit, eine Dichtplatte mit Ausnehmungen bereitstellen zu müssen, in nachteiliger Weise kostenintensiv und fertigungstechnisch aufwendig wegen der paßgenauen Anbringung von Ausnehmungen in einem elastischen und damit schwer zu bearbeitenden Stoff. Erschwerend kommt hinzu, daß die Ausnehmungen bei der Durchführung von scharfkantigen Kontaktelementen beschädigt und funktionsunfähig werden können. Des weiteren muß die Anzahl der Ausnehmungen exakt mit der Anzahl der Kontaktelemente übereinstimmen.The connector has a housing to which a large number of individual cables, bundled as a cable harness, are fed. Each of the cables is connected at one end to a connection section of a contact element. The contact elements are mounted in a contact carrier of the connector for contacting mating contact elements. In order to protect the contact points between the contact elements and counter-contact elements in particular from corrosion, water access to the contact elements via the cables must be prevented. For this purpose, the contact elements connected to the cables are guided through a sealing plate made of elastic material after being passed through a pressure plate. For this purpose, the pressure plate and the sealing plate have a number of recesses corresponding to the number of contact elements. The cables are positively enclosed and sealed by pressing the sealing plate through the pressure plate. This type of sealing is disadvantageous because of the need to provide a sealing plate with recesses, which is cost-intensive and expensive in terms of production technology because of the precise fitting of recesses in an elastic and therefore difficult to process material. To make matters worse, the recesses can be damaged and inoperable when performing sharp-edged contact elements. Furthermore, the number of recesses must exactly match the number of contact elements.
Somit muß bei jeder Änderung der Anzahl der Kontaktelemente eine neue, angepaßte Dichtplatte erstellt werden. Dies ergibt kleine Losgrößen bei der Herstellung der Dichtplatten und damit eine aufwendige Lagerhaltung, was die Fertigung des Steckverbinders verteuert .Thus, each time the number of contact elements changes, a new, adapted sealing plate must be created. This results in small batch sizes in the manufacture of the sealing plates and thus in expensive storage, which makes the manufacture of the connector more expensive.
Alternativ müssen nicht belegte Ausnehmungen durch einzelne Stöpsel verschlossen werden, was umständlich ist und Unsicherheiten hinsichtlich der Dichtheit ergibt.Alternatively, unoccupied recesses have to be closed by individual plugs, which is cumbersome and gives rise to uncertainties regarding the tightness.
Eine solchermaßen ausgeführte Dichtungseinrichtung führt zu einem in der Herstellung kostenintensiven Steckverbinder, dessen Funktionsfähigkeit durch den Montagevorgang gefährdet ist.Such a sealing device leads to a connector which is costly to produce and whose functionality is endangered by the assembly process.
Vorteile der ErfindungAdvantages of the invention
Die erfindungsgemäße Dichtungseinrichtung für elektrische Steckverbinder mit den kennzeichnenden Merkmalen des Anspruchs 1 hat demgegenüber den Vorteil, daß die zuvor erwähnten Unzulänglichkeiten in zufriedenstellendem Maß vermieden werden.
Dazu weist die Dichtungseinrichtung ein Rückhalteelement auf, das es ermöglicht, einen Einbauraum der Dichtungseinrichtung in einem Steckergehäuse des Steckverbinders für den Einsatz einer fließfähigen, aushärtbaren Dichtungsmasse nutzbar zu machen.The sealing device according to the invention for electrical connectors with the characterizing features of claim 1 has the advantage that the aforementioned shortcomings are avoided to a satisfactory extent. For this purpose, the sealing device has a retaining element which makes it possible to use an installation space of the sealing device in a connector housing of the connector for the use of a flowable, curable sealing compound.
Damit sind die Voraussetzungen für den Einsatz von den verschiedensten Kontakten in elektrischen Steckverbindern geschaffen. Dabei ist es unerheblich, ob die Kontakte scharfe Kanten aufweisen oder spezielle gerundete Oberflächen aufweisen, da die selbstverlaufende Dichtungsmasse selbstheilend immer vollständig abdichtend ist. Dadurch lassen sich bei hoher Funktionssicherheit Prüfkosten am Steckverbinder und damit dessen Fertigungskosten verringern.This creates the prerequisites for using a wide variety of contacts in electrical connectors. It is irrelevant whether the contacts have sharp edges or have special rounded surfaces, since the self-leveling sealing compound is always completely self-healing. This allows testing costs on the connector and thus its manufacturing costs to be reduced with a high level of functional reliability.
In den Unteransprüchen sind vorteilhafte Ausgestaltungen für die Realisierung der Erfindung angegeben.Advantageous refinements for realizing the invention are specified in the subclaims.
Zeichnungdrawing
Ein Ausführungsbeispiel einer Dichtungseinrichtung für elektrische Steckverbinder ist in der Zeichnung dargestellt und in der Figurenbeschreibung näher erläutert. Die Figur zeigt den Steckverbinder mit der Dichtungseinrichtung in einer Schnittdarstellung.An embodiment of a sealing device for electrical connectors is shown in the drawing and explained in more detail in the figure description. The figure shows the connector with the sealing device in a sectional view.
Beschreibung des AusführungsbeispielsDescription of the embodiment
Ein elektrischer Steckverbinder 11 nach der Figur ist Teil einer elektrischen Steckverbindung. Der Steckverbinder 11 ist als ein ortveränderlicher Kabelbaumstecker ausgeführt und mit einem, nur noch ansatzweise gezeigten, ortsfesten Gegensteckverbinder 12 als dem anderen Teil der Steckverbindung in lösbarer Weise koppelbar.
Der Steckverbinder 11 weist ein rahmenförmiges Steckergehäuse 13 aus Kunststoff auf. In dem Steckergehäuse 13 ist, umfangsseitig in nicht dargestellter Weise abgedichtet, ein Kontaktträger 14 aus Kunststoff eingesetzt. In dem Kontaktträger 14 ist eine der Polzahl des Steckverbinders 11 entsprechende Anzahl von Aufnahmekammern 16 enthalten, von denen eine in der Figur dargestellt ist.An electrical connector 11 according to the figure is part of an electrical connector. The connector 11 is designed as a portable cable harness connector and can be coupled in a detachable manner to a fixed mating connector 12, which is only shown in part, as the other part of the connector. The connector 11 has a frame-shaped connector housing 13 made of plastic. In the plug housing 13, a contact carrier 14 made of plastic is inserted, circumferentially sealed in a manner not shown. The contact carrier 14 contains a number of receiving chambers 16 corresponding to the number of poles of the connector 11, one of which is shown in the figure.
Die Aufnahmekammern 16 durchdringen den Kontaktträger 14 axial, entsprechend einer Steckrichtung des Steckverbinders 11 längs eines Pfeiles 17 und enden stirnseitig an einer Steckseite 18 des Steckverbinders 11, an der die Kopplung mit dem Gegensteckverbinder 12 erfolgt.The receiving chambers 16 penetrate the contact carrier 14 axially, corresponding to a plug-in direction of the connector 11 along an arrow 17, and end at the front end on a plug-in side 18 of the plug-in connector 11, on which the coupling with the mating connector 12 takes place.
Von der Steckseite 18 abgewandt münden die Aufnahmekammern 16 an einer Bestückungsseite 19 des Kontaktträgers 14 in einen wannenformigen Einbauraum 21 des Steckergehäuses 13. Der Einbauraum 21 ist zumindest im Bereich der Bestückungsseite 19 mit einem Rückhalteelement 22 ausgelegt, so daß die Aufnahmekammern 16 an ihren diesseitigen Enden abgedeckt sind.Facing away from the insertion side 18, the receiving chambers 16 open on an assembly side 19 of the contact carrier 14 into a trough-shaped installation space 21 of the plug housing 13. The installation space 21 is designed at least in the region of the assembly side 19 with a retaining element 22, so that the receiving chambers 16 at their ends on this side are covered.
In den Einbauraum 21 ist eine leichtfließende, selbstnivellierde, aushärtbare und dann teilelastische Dichtungsmasse 23 eingefüllt. Die Dichtungsmasse 23 und das Rückhalteelement 22 als Voraussetzung für einen funktionssicheren Einsatz der Dichtungsmasse 23 in dem Steckverbinder 11 bilden zusammen eine Dichtungseinrichtung 24 für den Steckverbinder 11.A light-flowing, self-leveling, curable and then partially elastic sealing compound 23 is filled into the installation space 21. The sealing compound 23 and the retaining element 22 as a prerequisite for a functionally reliable use of the sealing compound 23 in the connector 11 together form a sealing device 24 for the connector 11.
Die Dichtungsmasse 23 kann durch eine Druckplatte 26, die der Dichtungsmasse 23 nachfolgend in den Einbauraum 21 eingebracht wird und dann die Dichtungsmasse 23 vollständig abdeckt, axial kraftschlüssig beaufschlagt werden.
Die Druckplatte 26 aus Kunststoff hat eine der Polzahl des Steckverbinders 11 entsprechende Anzahl von axial gerichteten Durchführungen 27, von denen eine in der Figur dargestellt ist.The sealing compound 23 can be axially non-positively loaded by a pressure plate 26, which is subsequently introduced into the installation space 21 and then completely covers the sealing compound 23. The plastic pressure plate 26 has a number of axially directed bushings 27 corresponding to the number of poles of the connector 11, one of which is shown in the figure.
Der Steckverbinder 11 wird komplettiert durch die Montage von Kontaktelementen 28, die jeweils an einem freien Ende einen Kontaktabschnitt 29 zur Kontaktierung mit einem Gegenkontaktelement 30 des Gegensteckverbinders 12 und am anderen Ende einen Anschlußabschnitt 31 aufweisen. An dem Anschlußabschnitt 31 ist elektrisch leitend ein Kabel 32 angeschlossen, das in der Figur nur ansatzweise gezeichnet und Teil eines von dem Steckverbinder 11 abgehenden Kabelbaums ist.The connector 11 is completed by the assembly of contact elements 28, each having a contact section 29 at one free end for contacting a mating contact element 30 of the mating connector 12 and a connection section 31 at the other end. A cable 32 is connected in an electrically conductive manner to the connecting section 31, which is only partially drawn in the figure and is part of a cable harness leading out from the plug connector 11.
Das Einfügen der Kontaktelemente 28 in das Steckergehäuse 13 erfolgt jeweils mit vorangestelltem Kontaktabschnitt 29 bei einem Steckvorgang durch die zugeordnete Durchführung 27, die Dichtungsmasse 23 und das Rückhalteelement 22 hindurch in die Aufnahmekammer 16 bis zum Anschlag einer Stirnseite 33 des Kontaktelements 28 an einer Innenschulter 34 der Aufnahmekammer 16.The insertion of the contact elements 28 into the plug housing 13 takes place with a contact section 29 in front during a plug-in process through the assigned bushing 27, the sealing compound 23 and the retaining element 22 into the receiving chamber 16 until an end face 33 of the contact element 28 stops on an inner shoulder 34 of the Receiving chamber 16.
Durch allgemein bekannte und hier nicht dargestellte Verriegelungselemente sind die Kontaktelemente 28 nach einem vollständigen Einfügen in die Aufnahmekammern 16 in dieser Funktionsstellung gegen ein rückwärtiges Herausziehen aus den Aufnahmekammern 16, entgegen der Richtung des Pfeiles 17, gesichert.By means of generally known locking elements (not shown here), the contact elements 28 are secured in this functional position against being pulled back out of the receiving chambers 16 against the direction of the arrow 17 after they have been fully inserted into the receiving chambers 16.
Die Sicherung der Kontaktelemente 28 gegen Korrosion hingegen, welche insbesondere durch die Zuleitung von Wasser entlang der Kabel 32 ausgelöst werden kann, erfolgt durch die Dichtungseinrichtung 24.
Die Dichtungseinrichtung 24 weist als zentrales Funktionselement die gießbare, selbstnivellierende Dichtungsmasse 23 auf, die beim Eingießen in den Einbauraum 21 daran gehindert werden muß, durch die Aufnahmekammern 16 des Kontaktträgers 14 hindurchzufließen. Diese Durchflußverhinderung erfolgt durch das Rückhalteelement 22, das in unterschiedlichster Weise ausgeführt sein kann und dessen unterschiedlichen, hier aufgeführten Ausgestaltungen nur beispielhaft genannt sind.The securing of the contact elements 28 against corrosion, on the other hand, which can be triggered in particular by the supply of water along the cables 32, is carried out by the sealing device 24. The sealing device 24 has, as a central functional element, the pourable, self-leveling sealing compound 23, which must be prevented from flowing through the receiving chambers 16 of the contact carrier 14 when it is poured into the installation space 21. This flow is prevented by the retaining element 22, which can be designed in a wide variety of ways and the different configurations listed here are only mentioned as examples.
Das Rückhalteelement 22 kann aus einer dünnen Staubschicht bestehen, die vorzugsweise eine plättchenförmige Struktur aufweist, damit ein dünnschichtiger, leicht durchstoßbarer Verschluß der Durchführungen 27 möglich ist. Als Stoffe für die Staubschicht kommen vorzugsweise Talkum oder Glimmer zum Einsatz, weil sie aufgrund einer plättchenförmigen Struktur schon bei dünnstem Auftrag eine Schicht ausbilden können. Diese Stoffe werden in vorteilhafter Weise in hoher Feinheit bereitgestellt, damit bei einem Durchstecken der Kontaktelemente die mitgenommenen Anteile der Staubschicht die elektrische Kontaktgabe nicht behindern.The retaining element 22 can consist of a thin layer of dust, which preferably has a platelet-shaped structure, so that a thin-layer, easily penetrable closure of the bushings 27 is possible. Talc or mica are preferably used as substances for the dust layer, because they can form a layer even with the thinnest application due to their platelet-shaped structure. These substances are advantageously provided in a high degree of fineness, so that when the contact elements are pushed through, the entrained portions of the dust layer do not hinder the electrical contact.
Des weiteren kann das Rückhalteelement 22 aus einer Folie bestehen. Diese Folie kann dabei in einem Sprühauftrag auf die Bestückungsseite 19 des Kontaktträgers 14 gebildet werden oder aus einem eingelegten, separaten Teil bestehen.Furthermore, the retaining element 22 can consist of a film. This film can be formed in a spray order on the component side 19 of the contact carrier 14 or consist of an inserted, separate part.
Eine gängige Ausführung des separaten Teils besteht aus einer dünnen Schaumstoffeinlage, die offenporig ist. Als Variante kann die Schaumstoffeinlage eine einseitig geschlossenporige Deckfläche 36 aufweisen, die der Dichtungsmasse 23 abgewandt ist. Damit wird ein Abfließen der Dichtungsmasse 23 durch die Schaumstoffeinlage hindurch sicher verhindert.
Die Folie kann aus einem Elastomer wie Silikongummi bestehen. Dabei ist von Vorteil, daß aufgrund eines vergleichbaren chemischen Aufbaus wie bei der Dichtungsmasse eine gute Haftung zwischen diesen Stoffen entsteht.A common version of the separate part consists of a thin foam insert that is open-pored. As a variant, the foam insert can have a cover surface 36 which is closed-pore on one side and faces away from the sealing compound 23. This reliably prevents the sealant 23 from flowing through the foam insert. The film can be made of an elastomer such as silicone rubber. The advantage here is that due to a chemical structure comparable to that of the sealant, good adhesion is created between these substances.
Des weiteren kann die Folie aus einem Thermoplast wie beispielsweise Polyäthylen, Polypropylen,Furthermore, the film made of a thermoplastic such as polyethylene, polypropylene,
Polyätylenterephthalat, aus Verbunden daraus oder aus mit Schmelzkleber versehenen geschichteten Folien bestehen. Dabei ist von Vorteil, daß sehr dünne Folien darstellbar sind, die eine ausreichende Festigkeit hinsichtlich der Handhabung und gleichzeitig einen angestrebten niedrigen Durchstoßwiderstand bei der Durchführung der Kontaktelemente 28 haben.Polyethylene terephthalate, from composites thereof or from layered films provided with hot melt adhesive. The advantage here is that very thin foils can be produced, which have sufficient strength with regard to handling and at the same time have the desired low puncture resistance when carrying out the contact elements 28.
Ferner kann die Folie aus einem hochtemperaturfesten Kunststoff wie Polytetrafluoräthylen oder Copolymeren davon bestehen. Dabei ist von Vorteil, daß zum schnellen Aushärten der leichtflüssigen Dichtungsmasse 23 hohe Reaktionstemperaturen verwendet werden können.Furthermore, the film can consist of a high-temperature-resistant plastic such as polytetrafluoroethylene or copolymers thereof. It is advantageous that high reaction temperatures can be used for the rapid hardening of the light-weight sealant 23.
Das Rückhalteelement 22 kann als separates Teil ein Faserstoff wie Filz oder Papier sein. Dabei ist von Vorteil, daß trotz kompakter Beschaffenheit des Faserstoffes durch Kapillarkräfte ein schnelles Tränken mit der leichtfließenden Dichtmasse 23 erfolgt und damit ein leicht durchstoßbares Rückhalteelement 22 entsteht.The retaining element 22 can be a fibrous material such as felt or paper as a separate part. The advantage here is that, despite the compact nature of the fibrous material, capillary forces soak quickly with the easy-flowing sealing compound 23, thus creating an easily penetrable retaining element 22.
Das separate Teil kann auch durch einen Schüttstoff gebildet werden. In Frage kommen hier insbesondere Silikongummifäden in Form einer ungeordneten Lage (Wirrwar) oder als Schnittware. Die ungeordnete Lage hat den Vorteil, daß die Herstellkosten für das Rückhalteelement 22 besonders gering ausfallen.
Schließlich seien noch kugelförmige oder geometrisch anders geformte Partikel aus Silikongel oder Silikon-Aerosole aufgeführt, die durch Aufblasen oder Sprühauftrag auf die Bestückungsseite 19 des Kontaktträgers 14 eingebracht werden. Dabei ist von Vorteil, daß durch den vergleichbaren chemischen Aufbau wie bei der Dichtungsmasse 23 ein Verbund zwischen den Stoffen entsteht, der den Austrag von Partikeln beim Durchstecken der Kontaktelemente 28 hemmt.The separate part can also be formed by a bulk material. In particular, silicone rubber threads come into question here in the form of a disordered layer (tangled) or as cut goods. The disordered position has the advantage that the manufacturing costs for the retaining element 22 are particularly low. Finally, spherical or geometrically differently shaped particles made of silicone gel or silicone aerosols are also listed, which are introduced onto the component side 19 of the contact carrier 14 by inflation or spray application. It is advantageous that the chemical structure comparable to that of the sealing compound 23 creates a bond between the substances which inhibits the discharge of particles when the contact elements 28 are pushed through.
Auch ist es möglich, für das Rückhalteelement 22 weiche, offenporige Vliesstoffe oder Faserschüttungen zu verwenden. Diese lassen sich durch Aufblasen oder durch separate Herstellung und Auflegen auf die Bestückungsseite 19 des Kontaktträgers 14 einbringen. Dabei ist von Vorteil, daß sich diese beim Ausgießen leicht Tränken lassen und beim Durchstecken der Kontaktelemente 28 leicht durchdrungen werden können, ohne selbst ausgetragen zu werden.It is also possible to use soft, open-pore nonwovens or bulk fibers for the retaining element 22. These can be introduced by inflation or by separate manufacture and placement on the component side 19 of the contact carrier 14. The advantage here is that they can be easily soaked during pouring and can be easily penetrated when the contact elements 28 are pushed through without being carried out by the user.
Von besonderem Vorteil ist, wenn die Dichtungsmasse 23 vor dem Aushärten das Rückhalteelement 22 anlöst, weil sich dadurch nach dem Aushärten der Dichtungsmasse 23 eine mechanisch stabile Dichtungseinrichtung 24 bildet.It is particularly advantageous if the sealing compound 23 detaches the retaining element 22 before curing, because a mechanically stable sealing device 24 is thereby formed after the sealing compound 23 has hardened.
Des weiteren ist es auch möglich, daß das Rückhalteelement 22 durch die Dichtungsmasse 23 selbst gebildet wird. Dazu wird die Dichtungsmasse 23 in Randzonen über thermische Einflüsse, beispielsweise durch eine schockartige Hitzebeaufschlagung, beim Aufbringen auf die Bestückungsseite 19 des Kontaktträgers 14 verfestigt.Furthermore, it is also possible for the retaining element 22 to be formed by the sealing compound 23 itself. For this purpose, the sealing compound 23 is solidified in marginal zones via thermal influences, for example by a shock-like heat application, when it is applied to the component side 19 of the contact carrier 14.
Schließlich ist es möglich, das Rückhalteelement 22 mehrteilig auszubilden und diese Teile zumindest partiell auf den Kontaktträger 14 und auf der Dichtungsmasse 23 aufzulegen.
Unabhängig von der Ausführung des Rückhalteelements 22 kann durch dieses eine volumetrisch exakte Teilfüllung des Einbauraums 21 erfolgen. In Verbindung mit der teilelastischen Dichtungsmasse 23 lassen sich mit einem gleichhohen Anpreßdruck der Druckplatte 26 reproduzierbare und funktionssichere Dichtungsverhältnisse an den Steckverbindern 11 in einheitlicher Weise herstellen.Finally, it is possible to form the retaining element 22 in several parts and to place these parts at least partially on the contact carrier 14 and on the sealing compound 23. Regardless of the design of the retaining element 22, this allows volumetrically exact partial filling of the installation space 21. In conjunction with the partially elastic sealing compound 23, reproducible and functionally reliable sealing conditions on the plug connectors 11 can be produced in a uniform manner with an equally high contact pressure of the pressure plate 26.
Damit sind die Voraussetzungen für eine fertigungstechnisch günstige, kostensparende und funktionssichere Herstellung von Steckverbindern 11 gegeben.
The prerequisites for a technically favorable, cost-saving and functionally reliable production of connectors 11 are thus given.
Claims
1. Dichtungseinrichtung für elektrische Steckverbinder, von denen wenigstens einer ein Steckergehäuse (13) aufweist, in dem mindestens ein Kontaktträger (14) angeordnet ist, der zumindest von einer Aufnahmekammer (16) zur Lagerung eines Kontaktelements (28) axial, in Einsteckrichtung des Kontaktelements (28) in die Aufnahmekammer (16) , durchdrungen ist, das Kontaktelement (28) endseitig einerseits in einem Anschlußabschnitt (31) an wenigstens einem Kabel (32) angeschlossen und andererseits in einem Kontaktabschnitt (29) mit einem Gegenkontaktelement (30) eines Gegensteckverbinders (12) koppelbar ist und das Kontaktelement (28) zur Einführung in die Aufnahmekammer1. Sealing device for electrical connectors, at least one of which has a connector housing (13) in which at least one contact carrier (14) is arranged, which is at least axially in the insertion direction of the contact element from a receiving chamber (16) for mounting a contact element (28) (28) is penetrated into the receiving chamber (16), the contact element (28) is connected at the end on the one hand in a connection section (31) to at least one cable (32) and on the other hand in a contact section (29) with a mating contact element (30) of a mating connector (12) can be coupled and the contact element (28) for insertion into the receiving chamber
(16) durch eine, zumindest teilweise in einen Einbauraum (21) des Steckergehäuses (13) einbringbare Dichtungseinrichtung (24) geführt ist, dadurch gekennzeichnet, daß die Dichtungseinrichtung (24) aus einem Rückhalteelement (22) und aus einer fließfähigen, aushärtbaren Dichtungsmasse (23) besteht.(16) is guided through a sealing device (24) which can be introduced at least partially into an installation space (21) of the plug housing (13), characterized in that the sealing device (24) consists of a retaining element (22) and a flowable, curable sealing compound ( 23) exists.
2. Dichtungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rückhalteelement (22) einteilig ist und in dem Einbauraum (21) zumindest partiell auf dem Kontaktträger (14) aufliegt. 2. Sealing device according to claim 1, characterized in that the retaining element (22) is in one piece and in the installation space (21) at least partially rests on the contact carrier (14).
3. Dichtungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rückhalteelement (22) mehrteilig ist und in dem Einbauraum (21) zumindest partiell auf dem Kontaktträger (14) und auf der Dichtungsmasse (23) aufliegt.3. Sealing device according to claim 1, characterized in that the retaining element (22) is in several parts and in the installation space (21) at least partially rests on the contact carrier (14) and on the sealing compound (23).
4. Dichtungseinrichtung nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß das Rückhalteelement (22) aus einer Staubschicht besteht.4. Sealing device according to one of claims 1-3, characterized in that the retaining element (22) consists of a dust layer.
5. Dichtungseinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Staubschicht als Rückhalteelement (22) eine plättchenförmige Struktur aufweist und insbesondere durch Talkum oder Glimmer in hoher Feinheit gebildet ist .5. Sealing device according to claim 4, characterized in that the dust layer as a retaining element (22) has a plate-like structure and is formed in particular by talc or mica in high fineness.
6. Dichtungseinrichtung nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß das Rückhalteelement (22) aus einer Folie besteht.6. Sealing device according to one of claims 1-3, characterized in that the retaining element (22) consists of a film.
7. Dichtungseinrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Folie als Rückhalteelement (22) in einem Sprühauftrag gebildet oder aus einem eingelegten separaten Teil verkörpert wird.7. Sealing device according to claim 6, characterized in that the film is formed as a retaining element (22) in a spray application or is embodied from an inserted separate part.
8. Dichtungseinrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Folie als Rückhalteelement (22) aus einer Schaumstoffeinlage besteht.8. Sealing device according to claim 7, characterized in that the film as a retaining element (22) consists of a foam insert.
9. Dichtungseinrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Schaumstoffeinlage als Rückhalteelement (22) offenporig ist.9. Sealing device according to claim 8, characterized in that the foam insert as a retaining element (22) is open-pore.
10. Dichtungseinrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Schaumstoffeinlage als Rückhalteelement (22) eine einseitig geschlossenporige Deckfläche (36) aufweist, die der Dichtungsmasse (23) abgewandt ist.10. Sealing device according to claim 9, characterized in that the foam insert as a retaining element (22) has a closed-pore structure on one side Has top surface (36) which faces away from the sealing compound (23).
11. Dichtungseinrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Folie als Rückhalteelement (22) aus einem Elastomer wie Silikongummi, aus einem Thermoplast wie Polyäthylen, Polypropylen, Polyätylenterephtalat, aus Verbunden daraus, aus mit Schmelzkleber versehenen geschichteten Folien oder aus einem hochtemperaturfesten Kunststoff wie Polytetrafluoräthylen oder Copolymeren davon besteht.11. Sealing device according to claim 7, characterized in that the film as a retaining element (22) made of an elastomer such as silicone rubber, from a thermoplastic such as polyethylene, polypropylene, polyethylene terephthalate, from composites thereof, from layered films provided with hot-melt adhesive or from a high-temperature-resistant plastic such as Polytetrafluoroethylene or copolymers thereof.
12. Dichtungseinrichtung nach Anspruch 7 , dadurch gekennzeichnet, daß das Teil, welches das Rückhalteelement (22) verkörpert, ein Faserstoff wie Filz oder Papier ist.12. Sealing device according to claim 7, characterized in that the part which embodies the retaining element (22) is a fibrous material such as felt or paper.
13. Dichtungseinrichtung nach Anspruch 7, dadurch gekennzeichnet, daß das Teil, welches das Rückhalteelement (22) verkörpert, ein Schüttstoff wie Silikongummifäden ist und als Wirrlage oder geschnitten in den Einbauraum (21) eingebracht ist .13. Sealing device according to claim 7, characterized in that the part which embodies the retaining element (22) is a bulk material such as silicone rubber threads and is introduced as a tangled or cut into the installation space (21).
14. Dichtungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, die Dichtungsmasse (23) ein leichtfließendes, selbstverlaufendes, unvernetztes Gel ist oder durch vermischte Gelkomponenten gebildet ist und die Dichtungsmasse (23) aushärtbar und teilelastisch ist.14. Sealing device according to claim 1, characterized in that the sealing compound (23) is a free-flowing, self-leveling, uncrosslinked gel or is formed by mixed gel components and the sealing compound (23) is curable and partially elastic.
15. Dichtungseinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, die Dichtungsmasse (23) vor dem Aushärten das Rückhalteelement (22) anlöst.15. Sealing device according to one of the preceding claims, characterized in that the sealing compound (23) triggers the retaining element (22) before curing.
16. Dichtungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rückhalteelement (22) durch die Dichtungsmasse (23) selbst gebildet wird und die Dichtungsmasse (23) dazu zumindest in Randzonen durch thermische Einflüsse beim Einbringen in den Einbauraum (21) verfestigt wird. 16. Sealing device according to claim 1, characterized in that the retaining element (22) by the Sealing compound (23) is formed itself and the sealing compound (23) is solidified at least in edge zones by thermal influences when it is introduced into the installation space (21).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10143957A DE10143957A1 (en) | 2001-09-07 | 2001-09-07 | Sealing unit for electric plug connectors with a housing accommodating a contact carrier consists of a retaining element and a flowable and subsequently hardenable sealing compound |
| DE10143957 | 2001-09-07 | ||
| PCT/DE2002/002534 WO2003028167A1 (en) | 2001-09-07 | 2002-07-11 | Sealing device for electrical plug connectors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1428299A1 true EP1428299A1 (en) | 2004-06-16 |
| EP1428299B1 EP1428299B1 (en) | 2005-05-04 |
Family
ID=7698098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02754346A Expired - Lifetime EP1428299B1 (en) | 2001-09-07 | 2002-07-11 | Sealing device for electrical plug connectors |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20040029432A1 (en) |
| EP (1) | EP1428299B1 (en) |
| KR (1) | KR20040028787A (en) |
| AT (1) | ATE295006T1 (en) |
| BR (1) | BR0205969A (en) |
| DE (2) | DE10143957A1 (en) |
| TW (1) | TW554582B (en) |
| WO (1) | WO2003028167A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7639232B2 (en) * | 2004-11-30 | 2009-12-29 | Immersion Corporation | Systems and methods for controlling a resonant device for generating vibrotactile haptic effects |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2879360B1 (en) * | 2004-12-10 | 2008-10-03 | Raigi Soc Par Actions Simplifi | SEALING DEVICE, ELECTRICAL CONNECTOR HOUSING, AND METHOD FOR SEALING A HOUSING |
| DE102005043416A1 (en) * | 2005-09-13 | 2007-03-15 | Robert Bosch Gmbh | Plug part with a seal made of gel or silicone and additionally a swelling fleece |
| US7989022B2 (en) * | 2007-07-20 | 2011-08-02 | Micron Technology, Inc. | Methods of processing substrates, electrostatic carriers for retaining substrates for processing, and assemblies comprising electrostatic carriers having substrates electrostatically bonded thereto |
| KR101035202B1 (en) * | 2009-06-30 | 2011-05-17 | 한국전력공사 | Nuclear power plant multi core cable insulation steam sealing device for high temperature and high pressure resistance test |
| KR101418683B1 (en) * | 2013-06-11 | 2014-07-14 | 현대오트론 주식회사 | Electronic control apparatus for vehicle using water proof type housing sealing and method thereof |
| JP6891479B2 (en) * | 2016-12-20 | 2021-06-18 | 住友電装株式会社 | connector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR688401A (en) * | 1929-01-23 | 1930-08-22 | Felten & Guilleaume Carlswerk | Improvements to contact boxes with plugs for removable cables |
| US4662692A (en) * | 1985-05-02 | 1987-05-05 | Raychem Corp. | Sealing member |
| US4729743A (en) * | 1985-07-26 | 1988-03-08 | Amp Incorporated | Filtered electrical connector |
| DE4116748C1 (en) * | 1991-05-23 | 1992-10-01 | Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De | Multi-lead electrical coupling component - has sealing material channel and trough extending from plug region to achieve watertightness |
| SE506824C2 (en) * | 1996-06-14 | 1998-02-16 | Ericsson Telefon Ab L M | Device for tight connector and method of manufacturing the device |
| AU5572598A (en) * | 1997-01-28 | 1998-08-18 | Whitaker Corporation, The | Seal for an electrical connector, method for manufacturing seal and use of a seal |
-
2001
- 2001-09-07 DE DE10143957A patent/DE10143957A1/en not_active Withdrawn
-
2002
- 2002-07-11 KR KR10-2003-7016516A patent/KR20040028787A/en not_active Application Discontinuation
- 2002-07-11 WO PCT/DE2002/002534 patent/WO2003028167A1/en active IP Right Grant
- 2002-07-11 AT AT02754346T patent/ATE295006T1/en not_active IP Right Cessation
- 2002-07-11 US US10/416,071 patent/US20040029432A1/en not_active Abandoned
- 2002-07-11 BR BR0205969-0A patent/BR0205969A/en not_active IP Right Cessation
- 2002-07-11 DE DE50203026T patent/DE50203026D1/en not_active Expired - Lifetime
- 2002-07-11 EP EP02754346A patent/EP1428299B1/en not_active Expired - Lifetime
- 2002-07-25 TW TW091116552A patent/TW554582B/en not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03028167A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7639232B2 (en) * | 2004-11-30 | 2009-12-29 | Immersion Corporation | Systems and methods for controlling a resonant device for generating vibrotactile haptic effects |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040029432A1 (en) | 2004-02-12 |
| KR20040028787A (en) | 2004-04-03 |
| TW554582B (en) | 2003-09-21 |
| ATE295006T1 (en) | 2005-05-15 |
| DE50203026D1 (en) | 2005-06-09 |
| EP1428299B1 (en) | 2005-05-04 |
| DE10143957A1 (en) | 2003-03-27 |
| BR0205969A (en) | 2004-02-03 |
| WO2003028167A1 (en) | 2003-04-03 |
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