EP0830701A1 - Arrangement of a relay on a plug base - Google Patents

Arrangement of a relay on a plug base

Info

Publication number
EP0830701A1
EP0830701A1 EP96915972A EP96915972A EP0830701A1 EP 0830701 A1 EP0830701 A1 EP 0830701A1 EP 96915972 A EP96915972 A EP 96915972A EP 96915972 A EP96915972 A EP 96915972A EP 0830701 A1 EP0830701 A1 EP 0830701A1
Authority
EP
European Patent Office
Prior art keywords
housing
plug
relay
base
sealing ring
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
EP96915972A
Other languages
German (de)
French (fr)
Other versions
EP0830701B1 (en
Inventor
Josef Kern
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0830701A1 publication Critical patent/EP0830701A1/en
Application granted granted Critical
Publication of EP0830701B1 publication Critical patent/EP0830701B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/023—Details concerning sealing, e.g. sealing casing with resin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0081—Apparatus or processes specially adapted for the manufacture of electric switches using double shot moulding, e.g. for forming elastomeric sealing elements on form stable casing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector

Definitions

  • relay is also understood to mean a so-called relay module, in which, in addition to the actual relay system, further circuit elements, such as resistors and diodes with the associated conductor tracks, are arranged in the housing.
  • sealing relay housings for example the casting of housing gaps with liquid and subsequently hardenable casting compound. It is also known (DE 43 37 505 Cl) to cover wall areas between the base or base plate on the one hand and the cap on the other hand with a two-component spraying process with an elastomer layer and thus to achieve the desired sealing when the housing parts are pressed together.
  • a relay is inserted into a plug base, as is customary, for example, in motor vehicles, the plug connection between the relay and plug base remains unprotected, even if the relay itself is sealed. Since the plug-in base, particularly in the engine compartment of motor vehicles, is frequently exposed to heavy soiling or moisture, it has hitherto been customary to use additional sealing rings between the relay and plug-in base in order to protect the plug-in connection.
  • the aim of the present invention is to provide a simple seal between a plug-in relay and the associated plug-in base, which requires only minor structural changes and does not require any additional individual parts, such as sealing rings and the like, during plug-in assembly.
  • this aim is achieved in that at least one of the two housings consists of a dimensionally stable, thermoplastic plastic and in an edge zone facing the other housing and enclosing the plug pins and plug openings carries an integrally molded sealing ring made of elastomer and that the two Housing are connected to one another by means of interlocking wall elements with elastic deformation of the sealing ring in a positive and / or non-positive manner.
  • the housing caps of such relays and also the housings of jacks are generally made of thermoplastic, dimensionally stable plastic anyway, the additional molding of a thermoplastic, elastomeric sealing ring in the two-component injection molding process requires only little additional manufacturing effort.
  • the other housing, which does not carry the sealing ring, remains completely unchanged anyway. If the sealing ring on the plug base is formed, the cap of the relay housing could even be made of metal.
  • the sealing ring can either be integrally formed on the relay cap and form its lower edge, or it can be recessed opposite the edge of the relay cap into the flat top of the plug-in base. However, it can also be formed on one or the other part as a radial seal in the overlap region between the plug-in base and the relay cap.
  • FIG. 1 shows a relay housing with a plug-in base, partially cut, a sealing ring being formed on the relay cap,
  • FIG. 2 shows a section of the relay housing from FIG. 1 with an undeformed sealing ring
  • FIG. 3 shows a view from below of the relay cap from FIG. 2,
  • FIG. 4 shows a relay housing with a plug-in base, partially cut, a sealing ring being formed in the plug-in base,
  • FIG. 5 shows a view from above of the plug base from FIG. 4,
  • FIG. 6 shows the connection of a relay housing with a plug-in base, partially cut, a radial seal being arranged on the plug-in base,
  • FIG. 7 shows a view from above of the plug base from FIG. 6, 8 shows a view corresponding to FIG. 7 on a round plug-in base and
  • FIG. 9 shows the connection of a relay housing with a plug-in base, partially cut, a radial seal being formed on the relay cap.
  • the arrangement of a relay 1 on a plug-in base 2 is shown in FIG.
  • the relay has a housing with a
  • the plug-in base 2 has a housing 21 with chambers 22 in which plug sockets 23 are arranged.
  • the chambers 22 open into the top of the housing 22 in plug openings 24 through which the plug pins 13 of the relay are inserted.
  • lead wires 25 are led out, which are connected in the interior to the plug sockets 23 in a manner not shown.
  • a web-shaped sealing ring 14 is formed on the housing cap 11, specifically at its lower edge.
  • This sealing ring 14 consists of an elastomeric thermoplastic, while the housing cap 11 otherwise consists of a dimensionally stable thermoplastic.
  • the housing cap is also provided with locking lugs 15 which engage in retaining tabs 26 of the plug-in base. As can be seen in FIG. 1, this latching causes the sealing ring 14 to be elastically deformed, which results in the desired sealing of the two housings.
  • FIGS. 4 and 5 A modified embodiment is shown in FIGS. 4 and 5.
  • the structure of the relay 1 and the plug-in base 2 is largely the same as in Figure 1. However, the sealing takes place here in a complementary manner. Instead of the sealing ring 14 on the relay cap, a sealing ring 27 is now injection molded into the flat upper side of the plug-in base housing 21. By latching the latches 15 in the retaining tabs 26, the lower edge 16 of the housing cap 11 is pressed into the sealing ring 27, as a result of which the desired sealing is achieved.
  • FIGS. 6 and 7 A further modification is shown in FIGS. 6 and 7.
  • the relay cap 11 engages with a collar 17 shaped downwards over the base housing 21, which carries a radial sealing ring 28 which is injected all the way into a depression in the side wall.
  • the elastic deformation of the sealing ring 28 results from the force-fitting plugging of the collar 17 onto the base housing 21.
  • FIG. 6 it is also indicated that for the tight passage of the connecting wires 25 in each case
  • Ring seals 29 are provided in the base housing 21. These ring seals 21 can be integrally formed on the base housing 21 in the same way as the radial sealing rings 28 in a two-component injection molding process.
  • FIG. 8 shows a view from above of a modified base housing 31 which, like the rectangular housing shown in FIG. 7, can also be provided with a radial seal, in this case with a sealing ring 38.
  • This connector housing would be suitable for a relay, which also had a correspondingly round cross section.
  • FIG. 9 shows a further modification of a relay plug-in socket arrangement similar to FIG. 6.
  • the base housing 21 engages over the cap 11 of the relay with a collar 30 molded upwards.
  • a sealing ring 18 is provided, which in turn is connected in one piece from elastomeric material to the relay cap 11 in a two-component injection molding process.
  • a sealing ring 19 as shown on the right side of FIG. 9 can also be used.
  • both the relay 1 and the socket 2 are constructed as in the other examples.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connecting Device With Holders (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

PCT No. PCT/DE96/00992 Sec. 371 Date Dec. 9, 1997 Sec. 102(e) Date Dec. 9, 1997 PCT Filed Jun. 5, 1996 PCT Pub. No. WO96/42099 PCT Pub. Date Dec. 27, 1996In order to seal the plug-in region between a relay and a plug base, a peripheral sealing ring is integrally formed in one piece on the dimensionally stable plastic of one part using the two-component injection-molding process. The sealing ring is elastically deformed by latching elements which engage one in the other, thereby providing the desired sealing of the arrangement.

Description

Beschreibungdescription
Anordnung eines Relais auf einem StecksockelArrangement of a relay on a plug-in base
Die Erfindung betrifft die Anordnung eines Relais auf einem Stecksockel, wobei das Relais ein Gehäuse aus formstabilem Material besitzt, aus dessen Bodenseite Steckerstifte heraus¬ ragen, und wobei der Stecksockel ein Gehäuse aus ebenfalls formstabilem Material mit zu seiner Oberseite offenen, die Steckerstifte des Relais aufnehmenden Stecköffnungen besitzt. Unter Relais wird in diesem Zusammenhang auch ein sogenanntes Relaismodul verstanden, bei dem in dem Gehäuse zusätzlich zu dem eigentlichen Relaissystem weitere Schaltungselemente, wie Widerstände und Dioden mit den zugehörigen Leiterbahnen, an- geordnet sind.The invention relates to the arrangement of a relay on a plug-in base, the relay having a housing made of dimensionally stable material, from the bottom of which plug pins protrude, and the plug-in base being a housing made of likewise dimensionally stable material with the top open and receiving the plug pins of the relay Has plug openings. In this context, relay is also understood to mean a so-called relay module, in which, in addition to the actual relay system, further circuit elements, such as resistors and diodes with the associated conductor tracks, are arranged in the housing.
Zur Abdichtung von Relaisgehäusen sind viele Möglichkeiten bereits beschrieben worden, beispielsweise das Vergießen von Gehäusespalten mit flüssiger und nachträglich aushärtbarer Vergußmasse. Bekannt ist es auch (DE 43 37 505 Cl) , Wandbe¬ reiche zwischen Sockel oder Bodenplatte einerseits und Kappe andererseits im Zweikomponenten-Spritzverfahren mit einer Elastomerschicht zu überziehen und so beim Aufeinanderpressen der Gehäuseteile die gewünschte Abdichtung zu erreichen.Many options have already been described for sealing relay housings, for example the casting of housing gaps with liquid and subsequently hardenable casting compound. It is also known (DE 43 37 505 Cl) to cover wall areas between the base or base plate on the one hand and the cap on the other hand with a two-component spraying process with an elastomer layer and thus to achieve the desired sealing when the housing parts are pressed together.
Wird jedoch ein Relais in einen Stecksockel eingesetzt, wie dies beispielsweise in Kraftfahrzeugen üblich ist, so bleibt die Steckverbindung zwischen Relais und Stecksockel unge¬ schützt, auch wenn das Relais selbst abgedichtet ist. Da sol- ehe Stecksockel, namentlich im Motorraum von Kraftfahrzeugen, häufig einer starken Verschmutzung oder Feuchtigkeit ausge¬ setzt sind, ist es bisher üblich, zusätzliche Dichtringe zwi¬ schen Relais und Stecksockel einzusetzen, um die Steckverbin¬ dung zu schützen.If, however, a relay is inserted into a plug base, as is customary, for example, in motor vehicles, the plug connection between the relay and plug base remains unprotected, even if the relay itself is sealed. Since the plug-in base, particularly in the engine compartment of motor vehicles, is frequently exposed to heavy soiling or moisture, it has hitherto been customary to use additional sealing rings between the relay and plug-in base in order to protect the plug-in connection.
Aus der EP 0 400 434 Bl ist es weiterhin bekannt, zum An¬ schluß eines elektrischen Bausteins, insbesondere eines Re- lais, ein zusätzliches Obergehäuse zu verwenden, in welches das Relais eingesetzt wird. Das Übergehäuse besitzt an zwei Seiten eine Abdichtung, nämlich zum einen im Bereich der Steckverbindung, wo in einem Überlappungsbereich zwischen Stecksockel und Übergehäuse ein Radialdichtung vorgesehen ist, und zum anderen an der gegenüberliegenden offenen Gehäu¬ seseite, wo ein Verschlußdeckel mittels eines eingelegten Dichtungsrings dicht eingesetzt ist. Ein derartiges Überge¬ häuse bedingt jedoch einen erheblichen zusätzlichen Ferti- gungs- und Materialaufwand, abgesehen von dem großen Platzbe¬ darf.From EP 0 400 434 B1 it is also known to connect an electrical module, in particular a re lais to use an additional upper housing in which the relay is inserted. The outer casing has a seal on two sides, namely on the one hand in the area of the plug connection, where a radial seal is provided in an overlap area between the plug-in base and the outer casing, and on the other hand on the opposite open side of the housing, where a sealing cover is inserted tightly by means of an inserted sealing ring is. However, such an outer housing requires considerable additional manufacturing and material expenditure, apart from the large space requirement.
Ziel der vorliegenden Erfindung ist es, eine einfache Abdich¬ tung zwischen einem steckbaren Relais und dem zugehörigen Stecksockel zu schaffen, die nur geringe konstruktive Verän¬ derungen erfordert und bei der Steckmontage ohne zusätzliche Einzelteile, wie Dichtungsringe und dergleichen, auskommt.The aim of the present invention is to provide a simple seal between a plug-in relay and the associated plug-in base, which requires only minor structural changes and does not require any additional individual parts, such as sealing rings and the like, during plug-in assembly.
Erfindungsgemäß wird dieses Ziel dadurch erreicht, daß zumin- dest das eine der beiden Gehäuse aus einem formstabilen, thermoplastischen Kunststoff besteht und in einem dem anderen Gehäuse zugewandten, die Steckerstifte und Stecköffnungen um¬ schließenden Randzone einen einstückig angeformten Dichtring aus Elastomer trägt und daß die beiden Gehäuse mittels über- einandergreifender Wandelemente unter elastischer Deformation des Dichtrings form- und/oder kraftschlüssig miteinander ver¬ bunden sind.According to the invention, this aim is achieved in that at least one of the two housings consists of a dimensionally stable, thermoplastic plastic and in an edge zone facing the other housing and enclosing the plug pins and plug openings carries an integrally molded sealing ring made of elastomer and that the two Housing are connected to one another by means of interlocking wall elements with elastic deformation of the sealing ring in a positive and / or non-positive manner.
Da die Gehäusekappen derartiger Relais und auch die Gehäuse von Steckfassungen in der Regel ohnehin aus thermoplasti¬ schem, formstabilem Kunststoff hergestellt werden, bedingt die zusätzlich Anformung eines thermoplastischen, elastomeren Dichtrings im Zweikomponenten-Spritzverfahren nur einen ge¬ ringen zusätzlichen Herstellungsaufwand. Das jeweils andere Gehäuse, das also den Dichtring nicht trägt, bleibt ohnehin völlig unverändert. Wenn der Dichtring an dem Stecksockel an- geformt ist, könnte die Kappe des Relaisgehäuses sogar aus Metall bestehen.Since the housing caps of such relays and also the housings of jacks are generally made of thermoplastic, dimensionally stable plastic anyway, the additional molding of a thermoplastic, elastomeric sealing ring in the two-component injection molding process requires only little additional manufacturing effort. The other housing, which does not carry the sealing ring, remains completely unchanged anyway. If the sealing ring on the plug base is formed, the cap of the relay housing could even be made of metal.
Je nach den individuellen Gegebenheiten kann der Dichtring entweder an der Relaiskappe angeformt sein und dessen unteren Rand bilden, oder er kann dem Rand der Relaiskappe gegenüber¬ liegend in die ebene Oberseite des Stecksockels vertieft ein¬ gelassen sein. Er kann aber auch als Radialdichtung im Über¬ lappungsbereich zwischen Stecksockel und Relaiskappe an dem einen oder anderen Teil angeformt sein.Depending on the individual circumstances, the sealing ring can either be integrally formed on the relay cap and form its lower edge, or it can be recessed opposite the edge of the relay cap into the flat top of the plug-in base. However, it can also be formed on one or the other part as a radial seal in the overlap region between the plug-in base and the relay cap.
Die Erfindung wird nachfolgend an Ausführungsbeispielen an¬ hand der Zeichnung näher erläutert. Es zeigtThe invention is explained in more detail below using exemplary embodiments with reference to the drawing. It shows
Figur 1 ein Relaisgehäuse mit einem Stecksockel, teilweise geschnitten, wobei ein Dichtring an der Relaiskappe angeformt ist,1 shows a relay housing with a plug-in base, partially cut, a sealing ring being formed on the relay cap,
Figur 2 einen Ausschnitt aus dem Relaisgehäuse von Figur 1 mit unverformtem Dichtring,FIG. 2 shows a section of the relay housing from FIG. 1 with an undeformed sealing ring,
Figur 3 eine Ansicht von unten auf die Relaiskappe von Figur 2,FIG. 3 shows a view from below of the relay cap from FIG. 2,
Figur 4 ein Relaisgehäuse mit einem Stecksockel, teilweise geschnitten, wobei ein Dichtring in den Stecksockel einge¬ formt ist,FIG. 4 shows a relay housing with a plug-in base, partially cut, a sealing ring being formed in the plug-in base,
Figur 5 eine Ansicht von oben auf den Stecksockel von Figur 4,FIG. 5 shows a view from above of the plug base from FIG. 4,
Figur 6 die Verbindung eines Relaisgehäuses mit einem Steck¬ sockel, teilweise geschnitten, wobei am Stecksockel eine Ra¬ dialdichtung angeordnet ist,FIG. 6 shows the connection of a relay housing with a plug-in base, partially cut, a radial seal being arranged on the plug-in base,
Figur 7 eine Ansicht von oben auf den Stecksockel von Figur 6, Figur 8 eine der Figur 7 entsprechende Ansicht auf einen run¬ den Stecksockel undFIG. 7 shows a view from above of the plug base from FIG. 6, 8 shows a view corresponding to FIG. 7 on a round plug-in base and
Figur 9 die Verbindung eines Relaisgehäuses mit einem Steck¬ sockel, teilweise geschnitten, wobei eine Radialdichtung an der Relaiskappe angeformt ist.9 shows the connection of a relay housing with a plug-in base, partially cut, a radial seal being formed on the relay cap.
In Figur 1 ist die Anordnung eines Relais 1 auf einem Steck- sockel 2 gezeigt. Das Relais besitzt ein Gehäuse mit einerThe arrangement of a relay 1 on a plug-in base 2 is shown in FIG. The relay has a housing with a
Gehäusekappe 11 und einer Bodenplatte 12, in welcher Stecker¬ stifte 13 verankert sind. Diese Steckerstifte sind als Flach¬ stecker ausgebildet, wie dies- in Figur 3 zu erkennen ist.Housing cap 11 and a base plate 12, in which plug pins 13 are anchored. These plug pins are designed as flat plugs, as can be seen in FIG. 3.
Der Stecksockel 2 besitzt ein Gehäuse 21 mit Kammern 22, in denen Steckerbuchsen 23 angeordnet sind. Die Kammern 22 mün¬ den zur Oberseite des Gehäuses 22 in Stecköffnungen 24, durch welche die Steckerstifte 13 des Relais eingeführt werden. An der Unterseite des Gehäuses 21 sind Anschlußdrähte 25 heraus- geführt, welche im Innern auf nicht dargestellte Weise mit den Steckerbuchsen 23 verbunden sind.The plug-in base 2 has a housing 21 with chambers 22 in which plug sockets 23 are arranged. The chambers 22 open into the top of the housing 22 in plug openings 24 through which the plug pins 13 of the relay are inserted. On the underside of the housing 21, lead wires 25 are led out, which are connected in the interior to the plug sockets 23 in a manner not shown.
Zur Abdichtung der Steckverbindung zwischen dem Relais 1 und dem Stecksockel 2 ist an der Gehäusekappe 11, und zwar an de- ren unterem Rand, ein stegförmiger Dichtring 14 angeformt. Dieser Dichtring 14 besteht aus einem elastomeren Ther¬ moplast, während die Gehäusekappe 11 ansonsten aus einem formstabilen Thermoplast besteht. Auf diese Weise ist es mög¬ lich, in einem Zweikomponenten-Spritzverfahren die Gehäuse- kappe mit dem Dichtring in einem Stück herzustellen. Zur Er¬ zeugung des erforderlichen Anpreßdruckes auf den Dichtring 14 ist die Gehäusekappe außerdem mit Rastnasen 15 versehen, wel¬ che in Haltelaschen 26 des Stecksockels einrasten. Wie in Fi¬ gur 1 zu sehen ist, wird durch diese Verrastung der Dichtring 14 elastisch deformiert, wodurch sich die gewünschte Abdich¬ tung der beiden Gehäuse ergibt. Eine abgewandelte Ausführungsform ist in den Figuren 4 und 5 gezeigt. Der Aufbau des Relais 1 und des Stecksockels 2 ist weitgehend der gleiche wie in Figur 1. Die Abdichtung erfolgt jedoch hier in komplementärer Weise. Anstelle des Dichtrings 14 an der Relaiskappe ist nunmehr ein Dichtring 27 in die ebene Oberseite des Stecksockel-Gehäuses 21 vertieft einge¬ spritzt. Durch die Verrastung der Rastnasen 15 in den Halte¬ laschen 26 wird der untere Rand 16 der Gehäusekappe 11 in den Dichtring 27 eingedrückt, wodurch die gewünschte Abdichtung erzielt wird.To seal the plug connection between the relay 1 and the plug-in base 2, a web-shaped sealing ring 14 is formed on the housing cap 11, specifically at its lower edge. This sealing ring 14 consists of an elastomeric thermoplastic, while the housing cap 11 otherwise consists of a dimensionally stable thermoplastic. In this way it is possible to produce the housing cap with the sealing ring in one piece in a two-component injection molding process. In order to produce the required contact pressure on the sealing ring 14, the housing cap is also provided with locking lugs 15 which engage in retaining tabs 26 of the plug-in base. As can be seen in FIG. 1, this latching causes the sealing ring 14 to be elastically deformed, which results in the desired sealing of the two housings. A modified embodiment is shown in FIGS. 4 and 5. The structure of the relay 1 and the plug-in base 2 is largely the same as in Figure 1. However, the sealing takes place here in a complementary manner. Instead of the sealing ring 14 on the relay cap, a sealing ring 27 is now injection molded into the flat upper side of the plug-in base housing 21. By latching the latches 15 in the retaining tabs 26, the lower edge 16 of the housing cap 11 is pressed into the sealing ring 27, as a result of which the desired sealing is achieved.
In den Figuren 6 und 7 ist eine weitere Abwandlung gezeigt. Hierbei greift die Relaiskappe 11 mit einem nach unten ange¬ formten Kragen 17 über das Sockelgehäuse 21, welches einen radialen Dichtungsring 28 trägt, der umlaufend in eine Ver¬ tiefung der Seitenwand eingespritzt ist. Die elastische De¬ formation des Dichtrings 28 ergibt sich durch das kraft¬ schlüssige Aufstecken des Kragens 17 auf das Sockelgehäuse 21. In Figur 6 ist außerdem andeutungsweise noch gezeigt, daß für die dichte Durchführung der Anschlußdrähte 25 jeweilsA further modification is shown in FIGS. 6 and 7. In this case, the relay cap 11 engages with a collar 17 shaped downwards over the base housing 21, which carries a radial sealing ring 28 which is injected all the way into a depression in the side wall. The elastic deformation of the sealing ring 28 results from the force-fitting plugging of the collar 17 onto the base housing 21. In FIG. 6 it is also indicated that for the tight passage of the connecting wires 25 in each case
Ringdichtungen 29 im Sockelgehäuse 21 vorgesehen sind. Diese Ringdichtungen 21 können in gleicher Weise wie die radialen Dichtringe 28 einstückig in einem Zweikomponenten-Spritzver¬ fahren am Sockelgehäuse 21 angeformt werden.Ring seals 29 are provided in the base housing 21. These ring seals 21 can be integrally formed on the base housing 21 in the same way as the radial sealing rings 28 in a two-component injection molding process.
In Figur 8 ist eine Ansicht von oben auf ein abgewandeltes Sockelgehäuse 31 gezeigt, welches ebenfalls wie das in Figur 7 gezeigte rechteckige Gehäuse mit einer Radialdichtung, in diesem Fall mit einem Dichtring 38, versehen sein kann. Die- ses Steckergehäuse wäre für ein Relais geeignet, welches ebenfalls einen entsprechend runden Querschnitt aufwiese.FIG. 8 shows a view from above of a modified base housing 31 which, like the rectangular housing shown in FIG. 7, can also be provided with a radial seal, in this case with a sealing ring 38. This connector housing would be suitable for a relay, which also had a correspondingly round cross section.
In Figur 9 ist eine weitere Abwandlung einer Relais-Steck¬ sockel-Anordnung ähnlich Figur 6 gezeigt. In diesem Fall greift das Sockelgehäuse 21 mit ei- em nach oben angeformten Kragen 30 über die Kappe 11 des Relais. Im Überlappungsbe¬ reich zwischen dem Kragen 30 und der Kappe 11 ist ein Dicht- ring 18 vorgesehen, der wiederum aus elastomerem Material einstückig im Zweikomponenten-Spritzgußverfahren mit der Re¬ laiskappe 11 verbunden ist. Anstelle des Dichtrings 18, wie er in Figur 9 auf der linken Seite der Kappe 11 gezeigt ist, kann auch ein Dichtring 19 gemäß Darstellung auf der rechten Seite von Figur 9 verwendet werden. Dieser greift zusätzlich dachförmig über den oberen Rand des Kragens 30 und verhindert damit, daß Wasser oder Schmutz sich in den Spalt zwischen Re¬ lais-Gehäusekappe 11 und Sockel-Kragen 30 absetzen können. Ansonsten sind sowohl das Relais 1 als auch der Stecksockel 2 wie in den übrigen Beispielen aufgebaut. FIG. 9 shows a further modification of a relay plug-in socket arrangement similar to FIG. 6. In this case, the base housing 21 engages over the cap 11 of the relay with a collar 30 molded upwards. In the area of overlap between the collar 30 and the cap 11 there is a sealing ring 18 is provided, which in turn is connected in one piece from elastomeric material to the relay cap 11 in a two-component injection molding process. Instead of the sealing ring 18, as shown in FIG. 9 on the left side of the cap 11, a sealing ring 19 as shown on the right side of FIG. 9 can also be used. This grips additionally roof-shaped over the upper edge of the collar 30 and thus prevents water or dirt from being able to settle into the gap between the relay housing cap 11 and the base collar 30. Otherwise, both the relay 1 and the socket 2 are constructed as in the other examples.

Claims

Patentansprüche claims
1. Anordnung eines Relais (1) auf einem Stecksockel (2), wo¬ bei das Relais (1) ein Gehäuse (11, 12) aus formstabilem Ma- terial besitzt, aus dessen Bodenseite Steckerstifte (13) her¬ ausragen und wobei der Stecksockel (2) ein Gehäuse (21) aus ebenfalls formstabilem Material mit zu seiner Oberseite offe¬ nen, die Steckerstifte (13) des Relais aufnehmenden Stecköff¬ nungen (24) besitzt, dadurch gekennzeichnet , daß zumindest das eine der beiden Gehäuse (11, 12; 21; 31) aus einem formstabilen, thermoplastischen Kunststoff besteht und in einem dem anderen Gehäuse zugewandten, die Steckerstifte (13) und Stecköffnungen (24) umschließenden Randzone einen einstückig angeformten Dichtring (14; 18, 19; 28; 38) aus ei- nem elastomeren Kunststoff trägt und daß die beiden Gehäuse (11, 12; 21; 31) mittels übereinandergreifender Wandelemente (15, 26; 17; 30) unter elastischer Deformation des Dichtrings form- und/oder kraftschlüssig miteinander verbunden sind.1. Arrangement of a relay (1) on a plug-in base (2), the relay (1) having a housing (11, 12) made of dimensionally stable material, from the bottom side of which plug pins (13) protrude, and the Plug base (2) has a housing (21) of likewise dimensionally stable material with open to its top, the plug pins (13) of the relay receiving plug openings (24), characterized in that at least one of the two housings (11, 12; 21; 31) consists of a dimensionally stable, thermoplastic material and in an edge zone facing the other housing, which surrounds the plug pins (13) and plug openings (24), an integrally molded sealing ring (14; 18, 19; 28; 38) made of egg - Nem carries elastomeric plastic and that the two housings (11, 12; 21; 31) by means of overlapping wall elements (15, 26; 17; 30) with elastic deformation of the sealing ring are positively and / or non-positively connected.
2. Anordnung nach Anspruch 1, dadurch gekennzeich¬ net , daß das Relaisgehäuse (11, 12) eine eine Bodenplatte (12) umschließende Kappe (11) besitzt, an deren unterem Rand (16) der Dichtring (14) einstückig angeformt ist, und daß die Kappe (11) mit dem Gehäuse (21) des Stecksockels (2) über in- einandergreifende Rastelemente (15, 26) verriegelt ist.2. Arrangement according to claim 1, characterized gekennzeich¬ net that the relay housing (11, 12) has a base plate (12) enclosing cap (11), on the lower edge (16) of the sealing ring (14) is integrally formed, and that the cap (11) is locked to the housing (21) of the plug-in base (2) via interlocking locking elements (15, 26).
3. Anordnung nach Anspruch 1, dadurch gekennzeich¬ net , daß das Relaisgehäuse eine eine Bodenplatte (12) um¬ schließende Kappe (11) besitzt, daß das Sockelgehäuse (21) eine die Stecköffnungen (24) umgebende ebene Oberseite auf¬ weist, in welche der Dichtring (27) vertieft eingespritzt ist, und daß die Kappe (11) mit dem Sockelgehäuse (21) über ineinandergreifende Rastelemente (15, 26) derart verriegelt ist, daß der Rand (16) der Kappe (11) mit Übermaß in den Dichtring (27) gepreßt wird. 3. Arrangement according to claim 1, characterized gekennzeich¬ net that the relay housing has a bottom plate (12) um¬ enclosing cap (11), that the base housing (21) has a plug-in openings (24) surrounding flat top in which the sealing ring (27) is injected deeply, and that the cap (11) with the base housing (21) is locked via interlocking locking elements (15, 26) such that the edge (16) of the cap (11) with oversize in the Sealing ring (27) is pressed.
4. Anordnung nach Anspruch 1, dadurch gekennzeich¬ net, daß das Relaisgehäuse mit einer Kappe (11) das Sockel¬ gehäuse (21) Schachtelförmig übergreift und daß in dem Über¬ lappungsbereich in dem formstabilen Kunststoff der Relais- kappe (11) oder des Sockelgehäuses (21) ein Radial-Dichtring (18, 19; 28) einstückig eingespritzt ist.4. Arrangement according to claim 1, characterized gekennzeich¬ net that the relay housing with a cap (11) engages the base housing (21) box-shaped and that in the overlap area in the dimensionally stable plastic of the relay cap (11) or Base housing (21) a radial sealing ring (18, 19; 28) is injected in one piece.
5. Anordnung nach Anspruch 1, dadurch gekennzeich¬ net, daß ein an der Oberseite des Sockelgehäuses (21) ange- formter Kragen (30) das Relaisgehäuse (11, 12) schachteiför¬ mig übergreift und daß in dem Überlappungsbereich an dem Re¬ laisgehäuse (11, 12) oder an dem Stecksockel-Kragen (30) eine Radialdichtung (18, 19) einstückig angespritzt ist. 5. Arrangement according to claim 1, characterized in that a collar (30) formed on the upper side of the base housing (21) engages over the relay housing (11, 12) in the form of a box and in the overlapping area on the relay housing (11, 12) or a radial seal (18, 19) is integrally molded on the plug-in collar (30).
EP96915972A 1995-06-09 1996-06-05 Arrangement of a relay on a plug base Expired - Lifetime EP0830701B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19521133 1995-06-09
DE19521133 1995-06-09
PCT/DE1996/000992 WO1996042099A1 (en) 1995-06-09 1996-06-05 Arrangement of a relay on a plug base

Publications (2)

Publication Number Publication Date
EP0830701A1 true EP0830701A1 (en) 1998-03-25
EP0830701B1 EP0830701B1 (en) 1998-11-18

Family

ID=7764052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96915972A Expired - Lifetime EP0830701B1 (en) 1995-06-09 1996-06-05 Arrangement of a relay on a plug base

Country Status (7)

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US (1) US5911588A (en)
EP (1) EP0830701B1 (en)
JP (1) JPH11507469A (en)
AT (1) ATE173560T1 (en)
BR (1) BR9608867A (en)
DE (1) DE59600842D1 (en)
WO (1) WO1996042099A1 (en)

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JP5405240B2 (en) * 2009-09-04 2014-02-05 株式会社マキタ Waterproof structure of levers in power tools
KR101713371B1 (en) 2011-05-10 2017-03-07 닛산 지도우샤 가부시키가이샤 Power shut-off unit
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Also Published As

Publication number Publication date
DE59600842D1 (en) 1998-12-24
ATE173560T1 (en) 1998-12-15
EP0830701B1 (en) 1998-11-18
BR9608867A (en) 1999-06-15
JPH11507469A (en) 1999-06-29
WO1996042099A1 (en) 1996-12-27
US5911588A (en) 1999-06-15

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