EP2140131A1 - Engaging relay for starter - Google Patents

Engaging relay for starter

Info

Publication number
EP2140131A1
EP2140131A1 EP08708590A EP08708590A EP2140131A1 EP 2140131 A1 EP2140131 A1 EP 2140131A1 EP 08708590 A EP08708590 A EP 08708590A EP 08708590 A EP08708590 A EP 08708590A EP 2140131 A1 EP2140131 A1 EP 2140131A1
Authority
EP
European Patent Office
Prior art keywords
relay
cover
insert
engaging
region
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
EP08708590A
Other languages
German (de)
French (fr)
Other versions
EP2140131B1 (en
Inventor
Juergen Klingel
Thomas Fischer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to PL08708590T priority Critical patent/PL2140131T3/en
Publication of EP2140131A1 publication Critical patent/EP2140131A1/en
Application granted granted Critical
Publication of EP2140131B1 publication Critical patent/EP2140131B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles

Definitions

  • the invention relates to an engagement relay for starters of internal combustion engines according to the preamble of claim 1.
  • Engagement relay of the aforementioned type are known as part of the starting system for internal combustion engines of motor vehicles in a variety of configurations, including in a basic structure, as described in DE 198 14 504 Al.
  • Such engagement relays have a housing having a
  • Actuating magnet receives, which acts via a setting compound Einspurgetriebe.
  • About the Einspurgetriebe is in itsußpurter adjustment of the starter for starting the internal combustion engine with this drive connected.
  • the housing Opposite to the acted upon via the magnet adjusting device, the housing is frontally covered by a relay cover to delineate a receiving space.
  • this receiving space In this receiving space are contact surfaces of relay pins that pass through the frontal wall of the lid and are axially braced against them.
  • the lying within the receiving space contact surfaces are assigned to this broadened head portions of the relay pins, which are supported on the edge adjacent to the passage opening of the lid, against which the relay pin is axially braced via an opposite, screwed onto the relay bolt nut.
  • the relay pins tightly clamped relative to the relay cover, protrude outwards over the cover and are line-connected to the battery (terminal 30) and the starter motor (terminal 45).
  • the relay bolts can also be suddenly exposed to larger forces. Any resulting breakage of the cover may result in a short-circuit connection between the relay pin (terminal 30) connected to the battery and the body.
  • the invention has for its object to form a contact with respect to its lid so that without
  • the solution according to the invention is based on the fact that, in the case of stable permanent tensioning of the bolt to the relay cover, the relay cover is made of an elastically deformable plastic and regardless of the setting behavior of such a plastic, with the given by the axial tension of the relay bolt against the lid load, the position-stable and position-securing clamping of the relay bolt is ensured by the fact that in the region of the edge zone of a respective passage opening the lid in the clamping direction unyielding, so durcksteif is formed.
  • the clamping force required for securing the position of the relay bolt relative to the relay cover can be achieved maintained and on the other hand ensure by the resilience of the lid that extreme, in particular abrupt acting on the respective relay bolt loads can be intercepted by appropriate elastic deformation of the lid at least partially.
  • the particular edge-closing, axially unyielding design of the edge zone of a passage opening can be achieved by using plastics of different elasticity and different setting behavior for the different areas of the cover during spraying of the cover be, wherein the material for the pressure-loaded edge zone to a respective
  • Passage opening may optionally be introduced with a time delay.
  • a stiffening insert is inserted as an insert or support frame in the region of the edge zone of a respective passage opening, which is located between the axially opposite support surfaces extends at least over parts of the circumference of the passage opening.
  • a further embodiment according to the invention consists of assigning the passage as an edge-limiting and insert a sleeve, said sleeve can be materially connected and / or positively connected to the base material of the lid.
  • Fig. 1 in a longitudinal center section a simplified
  • Fig. 2 is a frontal plan view in the direction of arrow II on the lid of the contactor of FIG. 1 without the tensioned against the lid relay bolt, and
  • FIG. 3 shows a section according to III-III in Fig. 2nd
  • FIG. 1 shows an engagement relay 1 for starters of internal combustion engines at a glance. 2 with the relay housing is referred to, the windings 3 of a solenoid 4 surrounds, which in turn are circumferentially to the axially displaceable armature 5.
  • the armature 5 is fixedly connected to a control rod 6, which is part of an otherwise not shown actuating connection to a single-spur gear, on the start of a
  • a magnetic core 7 which is arranged on the front side in the relay housing 2, the housing 2 is connected to a relay cover 8.
  • This relay cover 8 is crimped in the embodiment against the relay housing 2 circumferentially at 9.
  • the relay cover 8 is cup-shaped and defines a receiving space 10 against the relay housing 2 and the magnetic core 7.
  • the relay cover 8 in its frontal lid wall 11 passing through relay pins 12 and 13, of which the relay pin 12, as a terminal 30, connected to the battery and the relay pin 13, as a terminal 45, is connected to the starter motor. Further, the lid 8 is a connection 27 - terminal 50 - assigned to the ignition.
  • the relay pins 12 and 13 extend to the receiving space 10 in head portions 14, 15, which have a relative to the relay pin 12 and 13 in diameter at least partially larger cross-section and the peripheral edge zone to the respective relay pin 12 and 13 receiving through openings 16, 17 overlap.
  • the head parts 14, 15 have corrugated contact surfaces 34, 35 which are connected when energizing the contactor 1 via a contact bridge 28 which is adjustable via a switching axis 29 from the armature 5 and against the direction of the magnet armature 5 when energized, via a relay in the lid 8 arranged spring 30 is acted upon.
  • This axial support is in the range of inserts 20, 21, which - see in particular Fig. 3 - lining to the respective passage opening 16, 17 are provided and which are formed by sleeves 22, 23 in the illustrated embodiment.
  • the sleeves 22, 23 each consist of relative to the given here axial clamping forces unyielding and no essential setting behavior exhibiting plastic material, in particular thermosets, and are fixed to each enclosing portion of the top wall 11 form and / or material fit, for example, characterized in that the sleeves 22, 23 in the production of the lid 8 when spraying with the material of
  • Cover 8 are overmolded. Between the sleeves 22, 23 and the Clamping nuts 18, 19 are each a toothed disc 31, the respective cable lug 32 and a spring ring 33rd
  • the relay cover 8 since the axially applied to the tension of the relay pin 12, 13 forces are supported on the sleeves 22, 23, both in terms of the material as well as the shape are formed to the effect that on the relay pin 12 and 13 attacking forces, so For example, suddenly due to accidental support to parts of the body acting forces, only lead to deformation of the lid 8, but not to a breaking of the lid 8 or to another release of the respective relay pin 12, 13 from the connection to the relay cover 8, which is particularly with respect to the connected as a terminal 30 with the battery relay pin 12 is critical because of the associated risk of short circuit.
  • Fig. 1 and 3 show that the sleeves 22, 23 both materially, for example, by appropriate bonding of the materials during spraying, as well as form-fitting to
  • Relay cover 8 may be fixed, wherein the positive fixing by at least partially, radial overlaps between the respective sleeve 22, 23 and the enclosing part of the relay cover 8 can be achieved.
  • Such an undercut is achieved with respect to the sleeve 22 through the annular collar 25 and with respect to the sleeve 21 through the annular collar 26, wherein the annular collar 25 is designed axially stepped, in adaptation to the axially stepped configuration of the relay pin 13th
  • the cover 8 is provided with an upstanding screen wall 26.
  • the invention thus provides a solution in which the existing plastic relay cover 8 shows a total of at least in the region of the top wall 11 an elastic behavior, namely at an axially pressure-resistant and no settling behavior having formation of the openings to the openings 16, 17 enclosing edge region.

Abstract

An engaging relay 1 for starters for internal combustion engines has a relay cover 8 on the front side of a relay housing 2 that encompasses the armature 5, said cover being made of a material in the region of the circumferential edge zones of openings 16, 17 for relay bolts 12, 13 that are to be axially braced against the relay cover 8, said material being more rigid in compression than in the remaining cover region.

Description

Beschreibungdescription
Titeltitle
Einrückrelais für StarterEngagement relay for starters
Die Erfindung bezieht sich auf ein Einrückrelais für Starter von Brennkraftmaschinen gemäß dem Oberbegriff des Anspruches 1.The invention relates to an engagement relay for starters of internal combustion engines according to the preamble of claim 1.
Stand der TechnikState of the art
Einrückrelais der vorgenannten Art sind als Teil der Startanlage für Brennkraftmaschinen von Kraftfahrzeugen in vielfältigen Ausgestaltungen bekannt, so auch in einem Grundaufbau, wie er in der DE 198 14 504 Al beschrieben ist.Engagement relay of the aforementioned type are known as part of the starting system for internal combustion engines of motor vehicles in a variety of configurations, including in a basic structure, as described in DE 198 14 504 Al.
Solche Einrückrelais weisen ein Gehäuse auf, das einenSuch engagement relays have a housing having a
Stellmagneten aufnimmt, der über eine Stellverbindung ein Einspurgetriebe beaufschlagt. Über das Einspurgetriebe ist in dessen eingespurter Stelllage der Starter zum Anlassen der Brennkraftmaschine mit dieser antriebsverbunden.Actuating magnet receives, which acts via a setting compound Einspurgetriebe. About the Einspurgetriebe is in its eingepurter adjustment of the starter for starting the internal combustion engine with this drive connected.
Gegenüberliegend zur über den Magneten beaufschlagten Stelleinrichtung ist das Gehäuse stirnseitig von einem Relaisdeckel unter Abgrenzung eines Aufnahmeraumes überdeckt. In diesem Aufnahmeraum liegen Kontaktflächen von Relaisbolzen, die die stirnseitige Wandung des Deckels durchsetzen und axial gegen diese verspannt sind. Die innerhalb des Aufnahmeraumes liegenden Kontaktflächen sind hierzu verbreiterten Kopfteilen der Relaisbolzen zugeordnet, die sich auf dem zur Durchtrittsöffnung benachbarten Rand der Deckelwandung abstützen, gegen die der Relaisbolzen über eine gegenüberliegende, auf dem Relaisbolzen aufgeschraubte Mutter axial verspannt ist. Die zum Relaisdeckel lagefest verspannten Relaisbolzen ragen nach außen über den Deckel vor und sind mit der Batterie (Klemme 30) und dem Startermotor (Klemme 45) leitungsverbunden. In Abhängigkeit von der jeweiligen Lage im Fahrzeug sowie unfallbedingten Gegebenheiten können die Relaisbolzen auch schlagartig größeren Kräften ausgesetzt sein. Ein etwaiger, dadurch bedingter Bruch des Deckels kann zu einer Kurzschlussverbindung zwischen dem mit der Batterie verbundenen Relaisbolzen (Klemme 30) und der Karosserie führen.Opposite to the acted upon via the magnet adjusting device, the housing is frontally covered by a relay cover to delineate a receiving space. In this receiving space are contact surfaces of relay pins that pass through the frontal wall of the lid and are axially braced against them. The lying within the receiving space contact surfaces are assigned to this broadened head portions of the relay pins, which are supported on the edge adjacent to the passage opening of the lid, against which the relay pin is axially braced via an opposite, screwed onto the relay bolt nut. The relay pins, tightly clamped relative to the relay cover, protrude outwards over the cover and are line-connected to the battery (terminal 30) and the starter motor (terminal 45). Depending on the particular situation in the vehicle as well as accident-related conditions, the relay bolts can also be suddenly exposed to larger forces. Any resulting breakage of the cover may result in a short-circuit connection between the relay pin (terminal 30) connected to the battery and the body.
Offenbarung der ErfindungDisclosure of the invention
Der Erfindung liegt die Aufgabe zugrunde, ein Einrückrelais bezüglich seines Deckels so auszubilden, dass ohneThe invention has for its object to form a contact with respect to its lid so that without
Beeinträchtigung der axial verspannenden Fixierung der Relaisbolzen zum Deckel des Relais auch bei extremen, auf die Relaisbolzen wirkenden Belastungen keine Bruchgefahr für den Deckel besteht.Deterioration of the axially tightening fixation of the relay bolt to the lid of the relay, even with extreme, acting on the relay bolt loads no risk of breakage for the lid.
Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an.This object is achieved with the features of claim 1. The dependent claims indicate expedient developments.
Die erfindungsgemäße Lösung geht davon aus, dass, bei lagefester dauerhafter Verspannung der Bolzen zum Relaisdeckel, der Relaisdeckel aus einem elastisch verformbaren Kunststoff besteht und dass ungeachtet des Setzverhaltens eines solchen Kunststoffes, bei durch die axiale Verspannung des Relaisbolzens gegen den Deckel gegebener Belastung, die lagefeste und lagesichernde Verspannung des Relaisbolzens dadurch gewährleistet wird, dass im Bereich der Randzone einer jeweiligen Durchtrittsöffnung der Deckel in Verspannungsrichtung unnachgiebig, also durcksteif, ausgebildet wird.The solution according to the invention is based on the fact that, in the case of stable permanent tensioning of the bolt to the relay cover, the relay cover is made of an elastically deformable plastic and regardless of the setting behavior of such a plastic, with the given by the axial tension of the relay bolt against the lid load, the position-stable and position-securing clamping of the relay bolt is ensured by the fact that in the region of the edge zone of a respective passage opening the lid in the clamping direction unyielding, so durcksteif is formed.
So lässt sich einerseits die zur Lagesicherung des Relaisbolzens gegenüber dem Relaisdeckel notwendige Spannkraft aufrechterhalten und andererseits durch die Nachgiebigkeit des Deckels gewährleisten, dass extreme, insbesondere schlagartig auf den jeweiligen Relaisbolzen wirkende Belastungen durch entsprechende elastische Verformung des Deckels zumindest teilweise abgefangen werden können.Thus, on the one hand, the clamping force required for securing the position of the relay bolt relative to the relay cover can be achieved maintained and on the other hand ensure by the resilience of the lid that extreme, in particular abrupt acting on the respective relay bolt loads can be intercepted by appropriate elastic deformation of the lid at least partially.
Die zur jeweiligen Durchtrittsöffnung insbesondere randumschließende, axial unnachgiebige Ausbildung der Randzone einer Durchtrittsöffnung kann ungeachtet der formhaltigen Gestaltung des Deckels aus verformbarem, insbesondere elastisch verformbarem Kunststoff dadurch erreicht werden, dass beim Spritzen des Deckels Kunststoffen unterschiedlicher Elastizität und unterschiedlichen Setzverhaltens für die verschiedenen Bereiche des Deckels verwendet werden, wobei das Material für die druckbelastete Randzone zu einer jeweiligenIrrespective of the shape-retaining design of the cover made of deformable, in particular elastically deformable plastic, the particular edge-closing, axially unyielding design of the edge zone of a passage opening can be achieved by using plastics of different elasticity and different setting behavior for the different areas of the cover during spraying of the cover be, wherein the material for the pressure-loaded edge zone to a respective
Durchtrittsöffnung gegebenenfalls auch zeitversetzt eingebracht werden kann.Passage opening may optionally be introduced with a time delay.
Im Rahmen der Erfindung liegt auch eine Ausbildung, bei der für den Relaisdeckel durchgängig der gleiche, elastisch verformbare Kunststoff verwendet wird, im Bereich der Randzone einer jeweiligen Durchtrittsöffnung aber jeweils ein aussteifender Einsatz als Einlage oder Traggerüst eingebracht wird, das sich zwischen den axial gegenüberliegenden Stützflächen zumindest über Teile des Umfangs der Durchtrittsöffnung erstreckt.In the context of the invention is also an embodiment in which the same elastically deformable plastic is used for the relay cover throughout, but in each case a stiffening insert is inserted as an insert or support frame in the region of the edge zone of a respective passage opening, which is located between the axially opposite support surfaces extends at least over parts of the circumference of the passage opening.
Eine weitere erfindungsgemäße Ausgestaltung besteht darin, der Durchtrittsöffnung als randseitige Begrenzung und Einsatz eine Hülse zuzuordnen, wobei diese Hülse mit dem Grundmaterial des Deckels materialschlüssig und/oder formschlüssig verbunden sein kann .A further embodiment according to the invention consists of assigning the passage as an edge-limiting and insert a sleeve, said sleeve can be materially connected and / or positively connected to the base material of the lid.
Als verformbares, insbesondere elastisch verformbares Grundmaterial für den Deckel sind im Rahmen der Erfindung insbesondere Thermoplaste vorgesehen, während für den axial sich erstreckenden, druckbelasteten Randbereich einer jeweiligen Durchtrittsöffnung, oder für den diesen Randbereich zugeordneten Einsatz insbesondere Duroplaste in Frage kommen.As a deformable, in particular elastically deformable base material for the lid in particular thermoplastics are provided in the invention, while for the axially extending, pressure-loaded edge region of a respective Passage opening, or come for the associated edge area use especially Duroplasts in question.
Weitere Vorteile und zweckmäßige Ausführungen sind den Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen:Further advantages and expedient embodiments can be found in the claims, the description of the figures and the drawings. Show it:
Fig. 1 in einem Längsmittelschnitt eine vereinfachteFig. 1 in a longitudinal center section a simplified
Gesamtdarstellung eines Einrückrelais für Starter von Brennkraftmaschinen,Overall view of an engagement relay for starters of internal combustion engines,
Fig. 2 eine stirnseitige Draufsicht in Richtung des Pfeiles II auf den Deckel des Einrückrelais gemäß Fig. 1 ohne die gegen den Deckel verspannten Relaisbolzen, undFig. 2 is a frontal plan view in the direction of arrow II on the lid of the contactor of FIG. 1 without the tensioned against the lid relay bolt, and
Fig. 3 einen Schnitt gemäß III-III in Fig. 2.3 shows a section according to III-III in Fig. 2nd
Die Schnittdarstellung gemäß Fig. 1 zeigt ein Einrückrelais 1 für Starter von Brennkraftmaschinen im Überblick. Mit 2 ist das Relaisgehäuse bezeichnet, das Wicklungen 3 eines Stellmagneten 4 umschließt, die ihrerseits umfangsseitig zum axial verschieblichen Magnetanker 5 liegen. Der Magnetanker 5 ist lagefest mit einer Stellstange 6 verbunden, die Bestandteil einer ansonsten nicht dargestellten Stellverbindung zu einem Einspurgetriebe ist, über das beim Anlassen einerThe sectional view of FIG. 1 shows an engagement relay 1 for starters of internal combustion engines at a glance. 2 with the relay housing is referred to, the windings 3 of a solenoid 4 surrounds, which in turn are circumferentially to the axially displaceable armature 5. The armature 5 is fixedly connected to a control rod 6, which is part of an otherwise not shown actuating connection to a single-spur gear, on the start of a
Brennkraftmaschine der Starter mit der Brennkraftmaschine verbunden wird. Startanlagen dieser Art sind beispielsweise beschrieben in „Kraftfahrtechnisches Taschenbuch"/Bosch 23. Auflage, ISBN 3-528-03876-4, Seiten 571 bis 574. Ferner zeigt und beschreibt die DE 198 14 504 Al ein Einrückrelais, das in seinem Grundaufbau jenem gemäß Fig. 1 entspricht.Internal combustion engine of the starter is connected to the internal combustion engine. Starting systems of this type are described for example in "Automotive Handbook" / Bosch 23rd edition, ISBN 3-528-03876-4, pages 571 to 574. Furthermore, shows and describes the DE 198 14 504 Al an engagement relay that in its basic structure that according to Fig. 1 corresponds.
Überdeckend zu einem im Relaisgehäuse 2 stirnseitig angeordneten Magnetkern 7 ist das Gehäuse 2 mit einem Relaisdeckel 8 verbunden. Dieser Relaisdeckel 8 ist im Ausführungsbeispiel gegen das Relaisgehäuse 2 umfangsseitig bei 9 verbördelt. Der Relaisdeckel 8 ist napfförmig ausgebildet und grenzt gegen das Relaisgehäuse 2 und dem Magnetkern 7 einen Aufnahmeraum 10 ab.Covering a magnetic core 7 which is arranged on the front side in the relay housing 2, the housing 2 is connected to a relay cover 8. This relay cover 8 is crimped in the embodiment against the relay housing 2 circumferentially at 9. The relay cover 8 is cup-shaped and defines a receiving space 10 against the relay housing 2 and the magnetic core 7.
In diesem Aufnahmeraum 10 enden den Relaisdeckel 8 in seiner stirnseitigen Deckelwand 11 durchsetzende Relaisbolzen 12 und 13, von denen der Relaisbolzen 12, als Klemme 30, mit der Batterie verbunden ist und der Relaisbolzen 13, als Klemme 45, an dem Startermotor angeschlossen ist. Ferner ist dem Deckel 8 ein Anschluss 27 - Klemme 50 - zum Zündschloss zugeordnet.In this receiving space 10 ends the relay cover 8 in its frontal lid wall 11 passing through relay pins 12 and 13, of which the relay pin 12, as a terminal 30, connected to the battery and the relay pin 13, as a terminal 45, is connected to the starter motor. Further, the lid 8 is a connection 27 - terminal 50 - assigned to the ignition.
Die Relaisbolzen 12 und 13 laufen auf den Aufnahmeraum 10 in Kopfteilen 14, 15 aus, die einen gegenüber dem Relaisbolzen 12 bzw. 13 im Durchmesser zumindest bereichsweise größeren Querschnitt aufweisen und die die umfangsseitige Randzone zur dem jeweiligen Relaisbolzen 12 bzw. 13 aufnehmenden Durchtrittsöffnungen 16, 17 übergreifen. Die Kopfteile 14, 15 weisen geriffelte Kontaktflächen 34, 35 auf, die bei Bestromung des Einrückrelais 1 über eine Kontaktbrücke 28 verbunden sind, welche über eine Schaltachse 29 vom Magnetanker 5 verstellbar ist und entgegen der Stellrichtung des Magnetankers 5 bei Bestromung, über eine im Relaisdeckel 8 angeordnete Feder 30 beaufschlagt ist.The relay pins 12 and 13 extend to the receiving space 10 in head portions 14, 15, which have a relative to the relay pin 12 and 13 in diameter at least partially larger cross-section and the peripheral edge zone to the respective relay pin 12 and 13 receiving through openings 16, 17 overlap. The head parts 14, 15 have corrugated contact surfaces 34, 35 which are connected when energizing the contactor 1 via a contact bridge 28 which is adjustable via a switching axis 29 from the armature 5 and against the direction of the magnet armature 5 when energized, via a relay in the lid 8 arranged spring 30 is acted upon.
Diese axiale Abstützung erfolgt im Bereich von Einsätzen 20, 21, die - siehe insbesondere Fig. 3 - auskleidend zur jeweiligen Durchtrittsöffnung 16, 17 vorgesehen sind und die im dargestellten Ausführungsbeispiel durch Hülsen 22, 23 gebildet sind. Die Hülsen 22, 23 bestehen jeweils aus bezogen auf die hier gegebenen axialen Spannkräfte unnachgiebigem und kein wesentliches Setzverhalten aufweisendem Kunststoffmaterial, so insbesondere Duroplasten, und sind zum jeweils umschließenden Bereich der Deckelwand 11 form- und/oder materialschlüssig fixiert, beispielsweise dadurch, dass die Hülsen 22, 23 in der Fertigung des Deckels 8 beim Spritzen mit dem Material desThis axial support is in the range of inserts 20, 21, which - see in particular Fig. 3 - lining to the respective passage opening 16, 17 are provided and which are formed by sleeves 22, 23 in the illustrated embodiment. The sleeves 22, 23 each consist of relative to the given here axial clamping forces unyielding and no essential setting behavior exhibiting plastic material, in particular thermosets, and are fixed to each enclosing portion of the top wall 11 form and / or material fit, for example, characterized in that the sleeves 22, 23 in the production of the lid 8 when spraying with the material of
Deckels 8 umspritzt werden. Zwischen den Hülsen 22, 23 und den Spannmuttern 18, 19 liegen jeweils eine Zahnscheibe 31, der jeweilige Kabelschuh 32 und ein Federring 33.Cover 8 are overmolded. Between the sleeves 22, 23 and the Clamping nuts 18, 19 are each a toothed disc 31, the respective cable lug 32 and a spring ring 33rd
Der Relaisdeckel 8 kann, da die axial zur Verspannung der Relaisbolzen 12, 13 aufgebrachten Kräfte über die Hülsen 22, 23 abgestützt werden, sowohl hinsichtlich des Materials wie auch der Formgebung dahingehend ausgebildet werden, dass an dem Relaisbolzen 12 bzw. 13 angreifende Kräfte, so zum Beispiel unfallbedingt schlagartig durch Abstützung zu Teilen der Karosserie wirksam werdende Kräfte, lediglich zu Verformungen des Deckels 8 führen, nicht aber zu einem Brechen des Deckels 8 oder zu einem sonstigen Herauslösen des jeweiligen Relaisbolzens 12, 13 aus der Verbindung zum Relaisdeckel 8, was besonders bezüglich des als Klemme 30 mit der Batterie verbundenen Relaisbolzens 12 wegen der damit verbundenen Kurzschlussgefahr kritisch ist.The relay cover 8, since the axially applied to the tension of the relay pin 12, 13 forces are supported on the sleeves 22, 23, both in terms of the material as well as the shape are formed to the effect that on the relay pin 12 and 13 attacking forces, so For example, suddenly due to accidental support to parts of the body acting forces, only lead to deformation of the lid 8, but not to a breaking of the lid 8 or to another release of the respective relay pin 12, 13 from the connection to the relay cover 8, which is particularly with respect to the connected as a terminal 30 with the battery relay pin 12 is critical because of the associated risk of short circuit.
Fig. 1 und 3 zeigen, dass die Hülsen 22, 23 sowohl materialschlüssig, zum Beispiel durch entsprechende Verklebung der Werkstoffe beim Spritzen, als auch formschlüssig zumFig. 1 and 3 show that the sleeves 22, 23 both materially, for example, by appropriate bonding of the materials during spraying, as well as form-fitting to
Relaisdeckel 8 festgelegt sein können, wobei die formschlüssige Festlegung durch zumindest bereichsweise, radiale Überschneidungen zwischen der jeweiligen Hülse 22, 23 und dem umschließenden Teil des Relaisdeckels 8 erreicht werden kann. Eine solche Hinterschneidung ist bezüglich der Hülse 22 durch den Ringbund 25 und bezüglich der Hülse 21 durch den Ringbund 26 erreicht, wobei der Ringbund 25 axial gestuft ausgeführt ist, in Anpassung an die axial gestufte Ausbildung des Relaisbolzens 13.Relay cover 8 may be fixed, wherein the positive fixing by at least partially, radial overlaps between the respective sleeve 22, 23 and the enclosing part of the relay cover 8 can be achieved. Such an undercut is achieved with respect to the sleeve 22 through the annular collar 25 and with respect to the sleeve 21 through the annular collar 26, wherein the annular collar 25 is designed axially stepped, in adaptation to the axially stepped configuration of the relay pin 13th
Im Bereich zwischen den Relaisbolzen 12 und 13 ist der Deckel 8 mit einer aufragenden Schirmwand 26 versehen.In the area between the relay pins 12 and 13, the cover 8 is provided with an upstanding screen wall 26.
Durch die Erfindung wird somit eine Lösung geschaffen, bei der der aus Kunststoff bestehende Relaisdeckel 8 insgesamt zumindest im Bereich der Deckelwand 11 ein elastisches Verhalten zeigt, und zwar bei einer axial drucksteifen und kein Setzverhalten aufweisenden Ausbildung des zu den Durchtrittsöffnungen 16, 17 umschließenden Randbereiches. The invention thus provides a solution in which the existing plastic relay cover 8 shows a total of at least in the region of the top wall 11 an elastic behavior, namely at an axially pressure-resistant and no settling behavior having formation of the openings to the openings 16, 17 enclosing edge region.

Claims

Ansprüche claims
1. Einrückrelais (1) für Starter von Brennkraftmaschinen mit einem Relaisgehäuse (2), das stirnseitig einen Relaisdeckel aus Kunststoff aufweist, an dem die Relaisanschlüsse vorgesehen sind, die durch die Deckelwand (11) in Durchtrittsöffnungen (16, 17) durchsetzende Relaisbolzen (12, 13) gebildet sind, welche zur Deckelwand (11) durch axiale Verspannung gegen die einander gegenüberliegenden Wandseiten im Bereich der zur jeweiligen Durchtrittsöffnung (16, 17) umschließenden Randzone festgelegt sind, dadurch gekennzeichnet, dass der Relaisdeckel (8) aus einem elastisch verformbaren Kunststoff mit Setzverhalten besteht und im Bereich der Randzone einer jeweiligen Durchtrittsöffnung (16, 17) axial unnachgiebig ausgebildet ist.1. engagement relay (1) for starters of internal combustion engines with a relay housing (2) having a front plastic relay cover on which the relay terminals are provided by the cover wall (11) in passage openings (16, 17) passing through relay pins (12 , 13) are formed, which are fixed to the top wall (11) by axial clamping against the opposite wall sides in the region of the respective passage opening (16, 17) enclosing edge zone, characterized in that the relay cover (8) made of an elastically deformable plastic with settling behavior and in the region of the edge zone of a respective passage opening (16, 17) is formed axially unyielding.
2. Einrückrelais nach Anspruch 1, dadurch gekennzeichnet, dass der Deckel (8) im Bereich der Randzone einer jeweiligen Durchtrittsöffnung (16, 17) mit einem axial drucksteifen Einsatz (20, 21) versehen ist.2. engaging relay according to claim 1, characterized in that the cover (8) in the region of the edge zone of a respective passage opening (16, 17) with an axially pressure-rigid insert (20, 21) is provided.
3. Einrückrelais nach Anspruch 2, dadurch gekennzeichnet, dass der Einsatz (20, 21) durch eine Hülse (22, 23) gebildet ist.3. engagement relay according to claim 2, characterized in that the insert (20, 21) by a sleeve (22, 23) is formed.
4. Einrückrelais nach Anspruch 2, dadurch gekennzeichnet, dass der Einsatz (20, 21) als Einlage ausgebildet ist.4. engagement relay according to claim 2, characterized in that the insert (20, 21) is formed as an insert.
5. Einrückrelais nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Einsatz (20, 21) materialschlüssig und/oder formschlüssig mit dem Material des Relaisdeckels (8) verbunden ist. 5. engaging relay according to one of claims 2 to 4, characterized in that the insert (20, 21) materially and / or positively connected to the material of the relay cover (8).
6. Einrückrelais nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als Material für den Relaisdeckel6. engaging relay according to one of the preceding claims, characterized in that as material for the relay cover
(8) ein Thermoplast vorgesehen ist.(8) a thermoplastic is provided.
7. Einrückrelais nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass als Material für den Einsatz (20, 21) ein Duroplast vorgesehen ist. 7. engaging relay according to one of claims 2 to 6, characterized in that as material for the insert (20, 21) a thermoset is provided.
EP08708590.8A 2007-03-28 2008-02-01 Engaging relay for starter Active EP2140131B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08708590T PL2140131T3 (en) 2007-03-28 2008-02-01 Engaging relay for starter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007014764A DE102007014764A1 (en) 2007-03-28 2007-03-28 Solenoid switch for starters of internal combustion engines, has relay housing, which has relay cover of plastic at front side, in which relay connections are intended
PCT/EP2008/051284 WO2008116684A1 (en) 2007-03-28 2008-02-01 Engaging relay for starter

Publications (2)

Publication Number Publication Date
EP2140131A1 true EP2140131A1 (en) 2010-01-06
EP2140131B1 EP2140131B1 (en) 2014-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08708590.8A Active EP2140131B1 (en) 2007-03-28 2008-02-01 Engaging relay for starter

Country Status (8)

Country Link
US (1) US8125303B2 (en)
EP (1) EP2140131B1 (en)
CN (1) CN101641516B (en)
BR (1) BRPI0809455B1 (en)
DE (1) DE102007014764A1 (en)
ES (1) ES2458624T3 (en)
PL (1) PL2140131T3 (en)
WO (1) WO2008116684A1 (en)

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Also Published As

Publication number Publication date
PL2140131T3 (en) 2014-09-30
US8125303B2 (en) 2012-02-28
ES2458624T3 (en) 2014-05-06
BRPI0809455A2 (en) 2014-09-09
DE102007014764A1 (en) 2008-06-12
CN101641516B (en) 2012-06-13
CN101641516A (en) 2010-02-03
WO2008116684A1 (en) 2008-10-02
EP2140131B1 (en) 2014-04-09
US20100127806A1 (en) 2010-05-27
BRPI0809455B1 (en) 2018-07-17

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