EP2457245B1 - Switching relay having contact ripping device - Google Patents
Switching relay having contact ripping device Download PDFInfo
- Publication number
- EP2457245B1 EP2457245B1 EP10735262.7A EP10735262A EP2457245B1 EP 2457245 B1 EP2457245 B1 EP 2457245B1 EP 10735262 A EP10735262 A EP 10735262A EP 2457245 B1 EP2457245 B1 EP 2457245B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- actuating rod
- contact
- relay
- switching relay
- 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.)
- Not-in-force
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2083—Bridging contact surfaces directed at an oblique angle with respect to the movement of the bridge
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- 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
Definitions
- the invention relates to a switching relay, in particular for a starting device for starting an internal combustion engine, with a contact device, a relay coil, an armature, a switching rod, wherein the switching rod moves when energized, the relay coil of the armature and the contact device is actuated via the switching rod, and a contact ripper through which the armature and the shift rod are coupled together.
- the invention also relates to a starting device with such a switching relay and also to an assembly and a dismantling method for such a switching relay.
- a starter motor of the starting device is switched on and off. It is known in a switching relay to move the switching rod by energizing the relay coil with the armature and to actuate the contact device via the switching rod.
- fluttering contacts may occur at the contact device, with the result that at least two adjoining contacts enter into a mutual connection, thus virtually sticking to one another.
- This connection which is caused by a flow of current when fluttering, is referred to as contact welding.
- the DE 199 51 116 A1 describes a switching relay for a starting device, wherein a coupling element is provided to take the shift rod with a limited movement in a return movement of the armature only when occurring under unfavorable conditions contact welding occurs, so that the contact welding is torn open by a restoring force of the armature.
- the US 6,552,638 B2 describes a relay with a spring-supported anchor, in which a shift rod is mounted with a head.
- the switching rod is moved axially by the armature when energized against a spring force to close a contact bridge.
- the head of the shift rod is pulled along by a shoulder as an abutment in the guide in the armature.
- the DE 102 60 843 A1 describes a relay, in particular in a particular embodiment, a switching relay for a starter.
- a sufficient kinetic energy is built up by a pulse-like acceleration of the magnet armature via a path of Abbrandreserve, so that a shift rod is retracted via a head back to the starting position when a path b) in an annular groove of
- a relay coil is enclosed in a housing that holds the magnet armature cup-shaped.
- the DE 67 51 537 U describes an electromagnetic switch for starter motors of internal combustion engines.
- the anchor has a longitudinal bore in which a bolt is secured by a semicircular groove in a bead in the longitudinal bore. From the point of view of assembly is provided here, first to positively connect the bolt with the anchor to then secure the bolt in the contact device.
- the object is achieved with a switching relay in that the armature is formed as part of a releasable latching device for the contact ripping device and the relay coil and the contact device are designed as an assembly slidably mounted on the armature.
- the shift rod has at least one latching lug as an abutment and the anchor at least one shoulder as a bearing, wherein the shoulder forms a stop surface, in particular for an end face of a leg end of the latching nose. Then, the armature and the at least one locking lug of the shift rod can be mounted by merely pressing against each other by the locking lug is moved over the shoulder with a certain latching force.
- the armature is biased with a first spring, so that it is deflected when energizing the relay coil for actuating a contact device by acting on the shift rod and moved back to a rest position after switching off the energization of the spring.
- the shift rod may be biased with a second spring to move it to a rest position to hold the contactor, or to hold it in that rest position when it is no longer urged by the armature.
- the switching axis is not fixedly coupled to the armature with respect to an opening, in particular axial, movement of the switching relay. If the relay coil is no longer supplied with current, the armature and decoupled from the switching rod respectively by the first and the second spring in their rest positions, namely for opening the contact device, moves and held there.
- the contact device comprises at least one contact plate with at least two electrical contacts, which is fastened in particular on the front side of the shift rod.
- the contact plate can be moved to close and open the contacts by an axial movement of the shift rod.
- the shift rod in the armature with a, in particular in the de-energized state axial clearance of the relay coil can be latched, so that the armature and the shift rod are mutually coupled by a certain way, in particular axially, movably or mutually displaceable and simultaneously.
- the armature can build up a pulse for the contact ripper.
- the object is also achieved by a mounting method in which the relay coil and the contact device are pushed as an assembly on the anchor and the shift rod is partially inserted with its opposite end of the contact device in the anchor and snapped into this unlocked.
- the assembly especially with respect to the mentioned US 6,552,638 B2 be simplified, since the shift rod does not have to be completely passed through the anchor.
- the object is also achieved by a disassembly method in which the shift rod is pulled out in the direction of the contact device from the armature, wherein it is unlocked and pulled out with a Maisaufr employedkraft exceeding Entrastekraft for unlatching a locking device, which is part of the armature and the relay coil and the contact device are removed as an assembly from the anchor.
- the armature and the shift rod can be assembled or disassembled with the same movements with which they are moved during operation of the switching relay, so that their mutual assembly can also be carried out at their installation position, both the shift rod with respect to an already mounted anchor or the armature with respect to an already mounted shift rod can be mounted or dismounted.
- a complicated, complete passage of the shift rod through the armature or an additional coupling element, as described in the prior art avoided.
- An advantage is therefore a simple installation, which is as usual, without significant changes in the assembly process, executable.
- the disassembly method according to the invention enables a non-destructive separation of the armature and the shift rod to be performed by an intuitive movement, namely by merely pulling apart with a single handle.
- the switching relay is composed of, preferably two, assemblies, wherein the shift rod and the armature are assigned to two different assemblies, which are mutually mounted by the shift rod is only partially inserted axially into the armature and engaged.
- the shift rod from the anchor with the Entrastekraft can be unlocked, which is greater than the contact tearing force.
- a housing component, the relay coil, the shift rod and at least one contact plate with at least two contacts is preassembled as an assembly and is pushed and engaged with the shift rod on the anchor.
- the latching device comprises as a bearing a shoulder and an interlocking counter bearing.
- the latching device is formed by a corresponding shape of the armature and / or the shift rod.
- the anchor and the shift rod by mutual positive connection directly engage each other and are particularly easy to assemble, as advantageously another component, such as a coupling element according to the prior art, is avoided, which is to be connected as a locking device with both the armature and the shift rod.
- a bearing and an abutment can both be a component of the contact-tearing device and the detent device, wherein preferably the two functions, namely the contact tearing device and the detent device are realized by different, previously and subsequently described forces on the same bearing or thrust bearing. This reduces the manufacturing and assembly costs.
- the armature and the shift rod can also be separated by pulling apart, for which disassembly the catch is moved away with a Entrastekraft in the reverse direction over the shoulder.
- the shoulder thus forms the abutment surface for the latching lug, wherein this mutual abutment can preferably be overcome only with a defined unlatching force.
- the locking device can also be designed so that their, assigned in this description of the shift rod, parts are associated with the anchor and vice versa.
- the bearing in particular the shoulder, that is on the switching rod and the counter bearing, in particular the latching lug, may be formed on the armature.
- the locking device may also have a plurality, preferably two, three or four locking lugs and a band as a shoulder.
- the locking device can be realized by both the armature, and the shift rod each have at least one shoulder and at least one latching lug.
- the bearing in particular the shoulder, made of elastic material, so that a suitable Entrastekraft is determined, in which the bearing is elastically deformed so that the counter bearing, in particular the locking lug, is released during disassembly, so a simple unlatching is possible
- the counter bearing in particular the latching lug
- the latching device can be latched or even unlocked by an elastic deformation of the counter bearing, in particular the latching lug.
- the abutment surface of the shoulder and the end face of the latching lug are formed obliquely to the axial direction, in particular in a special angle, for a detent disassembly of the shift rod and the armature. Due to the oblique design of these surfaces act when pulling, so with a force in an axial direction, the surfaces like an inclined plane, so quasi with a wedge effect or as a ramp, so by a resultant force, the locking lug and the shoulder ultimately to unlock each other are passed, and preferably by the locking lug is compressed by the shoulder, so that the armature and shift rod are separated.
- the angle can be suitably chosen to control the Entrastekraft.
- the shoulder and / or the locking lug can each have a second, inclined to the axial direction surface, which are adapted to pass the locking lug on the shoulder with little effort when snapping the shift rod and the anchor.
- These surfaces then act, as described above, like an inclined plane, so to speak, with a wedge effect or as a ramp.
- the locking device comprises a spacer bush with at least one locking lug.
- a spacer can be part of the shift rod and allows the use of different materials for the locking device and the other components of the shift rod, for example, to realize the said elasticity of the latch or to increase the life.
- the assembly of the switching relay is simplified by the locking device, at least the locking lug with the spacer, is pre-mounted on the shift rod.
- the locking device in particular the counter bearing, preferably the spacer bush, be made of plastic in order to build the switching relay as inexpensively and weight-saving.
- the latching device in particular the counter-bearing, preferably the spacer bushing, can be made of a resilient, metallic material, for example to form elastic latching lugs.
- the object is also achieved by a starting device for starting an internal combustion engine with a previously described or subsequently described switching relay.
- the Fig. 1 shows a cross section through an inventive switching relay 1 for a starting device for starting an internal combustion engine in a motor vehicle, which also latches a starter pinion, not shown, in a ring gear of the internal combustion engine as a starter relay with an armature.
- the switching relay 1 is formed with a relay coil 2, the prestressed by a first spring 20 anchor 3 and a biased with a second spring 21 shift rod 4, which is mounted coaxially to the armature 3.
- the shift rod 4 is coupled with a locking device to the armature 3, not rigidly, but relative to this in the axial direction, ie in the Fig. 1 horizontal, movable.
- the shift rod 4 has at its the armature 3 opposite end as a contact means a contact plate 5 with two contacts 6 for electrically connecting contact screws 7 on.
- a pressure pin 13 is centered on the armature 3 and secured to an assembly with a fork lever of the starting device. Only then the remaining switching relay 1 is mounted, wherein the locking lugs 9, of which only two are shown, engage the spacer bush 8 in the axial opening with the shoulder 10 of the armature 3 with axial play.
- a switched off state in the Fig. 3 is shown, ie without energizing the relay coil 2, the armature 3 is in a rest position and the contacts 6 are open. In this case, the detents 9 of the spacer 8 are not on the shoulder 10 of the armature 3, so that the life is increased.
- the relay coil 2 is energized and the armature 3 moves in the relay coil 2, so that an end face of the armature 3 coaxially mounted pressure pin 13 abuts against a head 43 of the shift rod 4 and the contact bridge with the Contact plate 5 closes against the spring force.
- a current flows through the contact plate 5 connected to the contact screws 7 for operating the starter motor of the starting device.
- the detents 9 are also not axially on the shoulder 10 of the armature 3, so that the life is increased.
- the Fig. 1 shows a state of the switching relay 1 with a so-called contact welding, in which the contacts 6 are closed, so the contact plate 5 virtually sticks to the contact screws 7, although the relay coil 2 is not energized.
- the contact welding has occurred, for example, due to a momentary disturbance, namely an interruption in the energization of the relay coil 2, which led to a fluttering of the contacts 6 on the contact plate 5.
- a momentary disturbance namely an interruption in the energization of the relay coil 2
- an increased cycle number due to a start-stop operating function lead to a temperature increase of the switching relay 1 total, so that the occurrence of contact welding is favored.
- the contact ripping device comprises, as well as the locking device, essentially the shoulder 10 on the armature 3 and the spacer bushing 8 with the locking lugs 9 on the shift rod 4.
- the contact ripping device and the locking device are thus realized by a single structural design.
- the spacer 8 is made of a resilient metal.
- the Fig. 2 shows an enlarged detail of the cross section of Fig. 1 through the contact ripper.
- the contact breaker operates as follows.
- the armature 3 moves, as mentioned above, due to spring force and lack of magnetic effect out of the no longer energized relay coil 2 out. In this case, the armature 3 undergoes an acceleration with a certain mass M. Since the shift rod 4 does not move back due to the contact welding, the armature 3 strikes with the shoulder 10 on the locking lugs 9 and thus transmits the contact tearing force by a pulse to the shift rod 4, so that the contact weld is torn open. To generate the pulse, the armature 3 executes a path S.
- the Fig. 3 shows a schematic cross section through the locking device according to the invention according to the Fig. 1 and 2 with the armature 3 and the shift rod 4 each in their rest position at a de-energized relay coil 2 and with open contacts 6.
- the locking device is both part of the armature 3 and the shift rod 4, wherein it comprises the shoulder 10 of the armature 3 and the locking lugs 9 on the shift rod 4.
- the locking device also represents the contact ripping device, both of which are realized with the shoulder 10 and the spacer 8 with the locking lugs 9, so that a simple assembly is achieved.
- the shoulder 10 is made by a back turn in an axial opening of the armature 3 and has a stop surface 12 and a chamfer 14.
- the detents 9 are formed on a, alternatively made of plastic, spacer 8 and have at one leg end in each case an end face 11, wherein the end faces 11 and the stop surface 12 are formed for a mutual abutment of the detents 9 and the shoulder 10 to the Shift bar 4 and the armature 3 both engage as well as to transfer the contact tearing force of the armature 3 on the shift rod 4.
- the shift rod 4 is partially axially inserted into the armature 3 with its end having the head 43 and the spacer sleeve 8, wherein the latching lugs each at the shoulder 10th be pressed into the axial opening of the armature 3 by the elastic locking lugs 9 are compressed with its conical surface 15 of the shoulder 10 by a wedge effect of the bevel 14.
- the locking lugs 9 take due to their elastic property back to their original shape, so that the shift rod 4 engages in the armature 3 and upon removal of the armature, the contact tearing acts by the locking lugs 9 each with their end faces 11 against the Stop surface 12 of the shoulder 10 abut.
- the shift rod 4 can be easily mounted by merely latching in the armature 3 with this.
- the shift rod 4 is pulled axially in the direction of the contact plate 5 from the armature 3, or the armature 3 is withdrawn in the opposite direction from the shift rod 4, but the end face 11th abuts against the stop surface 12. Both surfaces are formed obliquely with respect to the axial direction, so that a wedging action between the elastic locking lugs 9 and the shoulder 10 is formed and the locking lugs 9 at a sufficiently large disassembly force, which is greater than the contact tearing force, are compressed as soon as the shift rod 4 with a suitable Entrastekraft is applied.
- the shift rod 4 can be dismantled by a simple movement of the armature 3, in particular non-destructive, so that a subsequent installation without additional effort is possible.
- the unlatching force is essentially constructively defined by the elasticity of the latching lugs 9 and by the angle ⁇ of the end face 11 or the stop face 12 relative to the axial direction, in particular such that the unlatching force exceeds the contact tearing force.
- the contact ripping device can be realized without an additional coupling element or further component and is in particular destructively removable and re-demountable.
- the locking device according to the invention can be mounted in conventional switching relay with the spacer 8 with locking lugs 9 without significant structural changes, especially without a change in the assembly steps, and without changes to the relay coil 2, the spring forces, the contact plate 5 with the contacts 6 or the length of the armature 3 and the shift rod 4. Overall, therefore, a contact-tearing can be cost-effectively combined with the locking device according to the invention.
- FIG. 1 Another, not shown embodiment provides a starting device for starting an internal combustion engine in a motor vehicle with in the Fig. 1 to Fig. 3
- All figures show only schematic not to scale representations. Incidentally, in particular referred to the drawings for the invention as essential.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Keying Circuit Devices (AREA)
- Control Of Transmission Device (AREA)
Description
Die Erfindung bezieht sich auf ein Schaltrelais, insbesondere für eine Startvorrichtung zum Starten einer Brennkraftmaschine, mit einer Kontakteinrichtung, einer Relaisspule, einem Anker, einer Schaltstange, wobei die Schaltstange bei Bestromung der Relaisspule von dem Anker bewegt und die Kontakteinrichtung über die Schaltstange betätigt wird, und mit einer Kontaktaufreißeinrichtung, über die der Anker und die Schaltstange miteinander gekoppelt sind.The invention relates to a switching relay, in particular for a starting device for starting an internal combustion engine, with a contact device, a relay coil, an armature, a switching rod, wherein the switching rod moves when energized, the relay coil of the armature and the contact device is actuated via the switching rod, and a contact ripper through which the armature and the shift rod are coupled together.
Die Erfindung bezieht sich auch auf eine Startvorrichtung mit einem solchen Schaltrelais und ferner auf ein Montage- und ein Demontageverfahren für ein solches Schaltrelais.The invention also relates to a starting device with such a switching relay and also to an assembly and a dismantling method for such a switching relay.
Mit dem Schaltrelais wird ein Startermotor der Startvorrichtung ein- und ausgeschaltet. Es ist bekannt in einem Schaltrelais die Schaltstange durch Bestromung der Relaisspule mit dem Anker zu bewegen und die Kontakteinrichtung über die Schaltstange zu betätigen.With the switching relay, a starter motor of the starting device is switched on and off. It is known in a switching relay to move the switching rod by energizing the relay coil with the armature and to actuate the contact device via the switching rod.
Bei Unterbrechungen oder anderen Störungen der Stromversorgung während der Bestromung der Relaisspule kann es zu sogenannten flatternden Kontakten an der Kontakteinrichtung kommen, mit der Folge, dass zumindest zwei aneinandergrenzende Kontakte eine gegenseitige Verbindung eingehen, also quasi aneinander kleben, können. Diese Verbindung, die durch einen Stromfluss beim Flattern bedingt ist, wird nachfolgend als Kontaktverschweißung bezeichnet. Durch die fehlende Kopplung zwischen Anker und Schaltstange kehrt bei einem Schaltrelais ohne Kontaktaufreißeinrichtung der Anker nach einem Ausschalten der Bestromung der Relaisspule in seine Ruheposition zurück, wobei dann jedoch die Kontakteinrichtung betätigt, also die Kontakte geschlossen bleiben, da die zweite Feder die aneinanderhaftenden Kontakte nicht trennen, also die Kontaktverschweißung nicht aufreißen kann, da sie eine entsprechende Kontaktaufreißkraft nicht aufbringt. Folglich ist ein Schaltrelais ohne Kontaktaufreißeinrichtung nach einer Kontaktverschweißung in seiner Schaltfunktion gestört. Der Startermotor wird weiter oder länger bestromt, was zu Schäden an der Startvorrichtung, einer Überhitzung, insbesondere eines Kabelbrands, oder einer Zerstörung des Startermotors führt, sofern nicht rechtzeitig eine Fahrzeugbatterie als Stromquelle getrennt wird.In the case of interruptions or other disturbances of the power supply during the energization of the relay coil, so-called fluttering contacts may occur at the contact device, with the result that at least two adjoining contacts enter into a mutual connection, thus virtually sticking to one another. This connection, which is caused by a flow of current when fluttering, is referred to as contact welding. Due to the lack of coupling between the armature and the shift rod returns to a switch relay without Kontaktaufreißeinrichtung the armature the energization of the relay coil back to its rest position, in which case, however, actuates the contact means, so the contacts remain closed, since the second spring does not separate the adherent contacts, so the contact welding can not tear, as they do not apply a corresponding Kontaktaufreißkraft. Consequently, a switching relay without Kontaktaufreißeinrichtung disturbed after a contact welding in its switching function. The starter motor is energized further or longer, resulting in damage to the starting device, overheating, especially a cable fire, or destruction of the starter motor, unless timely a vehicle battery is disconnected as a source of power.
Das Risiko wird mit bekannten Kontaktaufreißeinrichtungen reduziert, die beim Abschalten des Relais die Schaltstange mit einer Kontaktaufreißkraft beaufschlagen, falls eine Kontaktverschweißung auftritt.The risk is reduced with known contact tearing devices which, when the relay is turned off, apply a contact tearing force to the shift rod if contact welding occurs.
Die
Die
Die
Kopfteil durchlaufen wird. Eine Relaisspule ist in einem Gehäuse eingeschlossen, dass den Magnetanker topfförmig zusammen hält.Go through the headboard. A relay coil is enclosed in a housing that holds the magnet armature cup-shaped.
Die
Es ist Aufgabe der Erfindung ein Schaltrelais der eingangs genannten Art und ein Montage- und Demontageverfahren für ein solches Schaltrelais derart weiterzubilden, sodass die Montage beziehungsweise Demontage vereinfacht und der Aufbau des Schaltrelais vereinfacht ist.It is an object of the invention to develop a switching relay of the type mentioned and an assembly and disassembly process for such a switching relay so that the assembly and disassembly simplified and the structure of the switching relay is simplified.
Erfindungsgemäß wird die Aufgabe durch den Gegenstand der Patentansprüche 1, 10 und 11 gelöst. Die abhängigen Ansprüche definieren bevorzugte Weiterbildungen der Erfindung.According to the invention the object is achieved by the subject matter of
Die Aufgabe wird mit einem Schaltrelais dadurch gelöst, dass der Anker als Teil einer entrastbaren Rastvorrichtung für die Kontaktaufreißeinrichtung ausgebildet ist und die Relaisspule und die Kontakteinrichtung als Baugruppe auf den Anker schiebbar ausgebildet sind. Die Schaltstange weist zumindest eine Rastnase als Gegenlager und der Anker zumindest eine Schulter als Lager auf, wobei die Schulter eine Anschlagfläche, insbesondere für eine Stirnfläche eines Schenkelendes der Rastnase, ausbildet. Dann können der Anker und die zumindest eine Rastnase der Schaltstange durch bloßes aneinanderdrücken miteinander montiert werden, indem die Rastnase mit einer gewissen Einrastkraft über die Schulter hinweg bewegt wird.The object is achieved with a switching relay in that the armature is formed as part of a releasable latching device for the contact ripping device and the relay coil and the contact device are designed as an assembly slidably mounted on the armature. The shift rod has at least one latching lug as an abutment and the anchor at least one shoulder as a bearing, wherein the shoulder forms a stop surface, in particular for an end face of a leg end of the latching nose. Then, the armature and the at least one locking lug of the shift rod can be mounted by merely pressing against each other by the locking lug is moved over the shoulder with a certain latching force.
Vorzugsweise ist der Anker mit einer ersten Feder vorgespannt, sodass er bei einer Bestromung der Relaisspule zum Betätigen einer Kontakteinrichtung mittels Beaufschlagung der Schaltstange ausgelenkt und nach einem Ausschalten der Bestromung von der Feder in eine Ruheposition zurückbewegt wird. Im Übrigen kann die Schaltstange mit einer zweiten Feder vorgespannt sein, um sie zum Öffnen der Kontakteinrichtung in eine Ruheposition zu bewegen oder in dieser Ruheposition zu halten, sobald sie nicht mehr durch den Anker beaufschlagt wird.Preferably, the armature is biased with a first spring, so that it is deflected when energizing the relay coil for actuating a contact device by acting on the shift rod and moved back to a rest position after switching off the energization of the spring. Furthermore For example, the shift rod may be biased with a second spring to move it to a rest position to hold the contactor, or to hold it in that rest position when it is no longer urged by the armature.
Bei einer bevorzugten Ausführungsform ist die Schaltachse bezüglich einer das Schaltrelais öffnenden, insbesondere axialen, Bewegung nicht fest an den Anker gekoppelt. Wird die Relaisspule nicht mehr mit Strom beaufschlagt, werden der Anker und entkoppelt davon die Schaltstange jeweils durch die erste beziehungsweise die zweite Feder in ihre Ruhepositionen, und zwar zum Öffnen der Kontakteinrichtung, bewegt und dort gehalten.In a preferred embodiment, the switching axis is not fixedly coupled to the armature with respect to an opening, in particular axial, movement of the switching relay. If the relay coil is no longer supplied with current, the armature and decoupled from the switching rod respectively by the first and the second spring in their rest positions, namely for opening the contact device, moves and held there.
Vorzugsweise umfasst die Kontakteinrichtung zumindest eine Kontaktplatte mit zumindest zwei elektrischen Kontakten, die insbesondere stirnseitig an der Schaltstange befestigt ist. So kann durch eine axiale Bewegung der Schaltstange die Kontaktplatte zum Schließen und Öffnen der Kontakte bewegt werden.Preferably, the contact device comprises at least one contact plate with at least two electrical contacts, which is fastened in particular on the front side of the shift rod. Thus, the contact plate can be moved to close and open the contacts by an axial movement of the shift rod.
Vorzugsweise ist die Schaltstange in den Anker mit einem, insbesondere in unbestromtem Zustand axialen Spiel der Relaisspule einrastbar, sodass der Anker und die Schaltstange gegenseitig über einen gewissen Weg, insbesondere axial, beweglich beziehungsweise gegenseitig verschiebbar und gleichzeitig miteinander gekoppelt sind. So kann der Anker, wie später erläutert, einen Impuls für die Kontaktaufreißeinrichtung aufbauen.Preferably, the shift rod in the armature with a, in particular in the de-energized state axial clearance of the relay coil can be latched, so that the armature and the shift rod are mutually coupled by a certain way, in particular axially, movably or mutually displaceable and simultaneously. Thus, as explained later, the armature can build up a pulse for the contact ripper.
Die Aufgabe wird auch durch ein Montageverfahren gelöst, bei dem die Relaisspule und die Kontakteinrichtung als Baugruppe auf den Anker geschoben werden und die Schaltstange mit ihrem der Kontakteinrichtung gegenüber liegenden Ende teilweise in den Anker eingeschoben und in diesem entrastbar eingerastet wird. Somit kann die Montage, insbesondere gegenüber der genannten
Ferner wird die Aufgabe auch durch ein Demontageverfahren gelöst, bei dem die Schaltstange in Richtung der Kontakteinrichtung aus dem Anker herausgezogen wird, wobei sie mit einer eine Kontaktaufreißkraft übersteigenden Entrastekraft zum Entrasten einer Rastvorrichtung, die Teil des Ankers ist, entrastet und herausgezogen wird und die Relaisspule und die Kontakteinrichtung als Baugruppe vom Anker abgezogen werden.Furthermore, the object is also achieved by a disassembly method in which the shift rod is pulled out in the direction of the contact device from the armature, wherein it is unlocked and pulled out with a Kontaktaufreißkraft exceeding Entrastekraft for unlatching a locking device, which is part of the armature and the relay coil and the contact device are removed as an assembly from the anchor.
Durch das erfindungsgemäße Montageverfahren können der Anker und die Schaltstange mit denselben Bewegungen montiert beziehungsweise demontiert werden, mit denen sie auch beim Betrieb des Schaltrelais bewegt werden, sodass ihre gegenseitige Montage auch an ihrer Einbauposition durchgeführt werden kann, wobei sowohl die Schaltstange bezüglich eines bereits montierten Ankers oder auch der Anker bezüglich einer bereits montierten Schaltstange montiert beziehungsweise demontiert werden kann. So wird insbesondere ein aufwendiges, vollständiges Hindurchführen der Schaltstange durch den Anker oder ein zusätzliches Kupplungselement, wie im Stand der Technik beschrieben, vermieden. Ein Vorteil ist also eine einfache Montage, die wie herkömmlich, ohne wesentliche Änderungen im Montageablauf, ausführbar ist. Außerdem ermöglicht das erfindungsgemäße Demontageverfahren eine zerstörungsfreie und durch eine intuitive Bewegung durchzuführende Trennung von Anker und Schaltstange, nämlich durch bloßes Auseinanderziehen mit einem einzelnen Handgriff.By the mounting method according to the invention, the armature and the shift rod can be assembled or disassembled with the same movements with which they are moved during operation of the switching relay, so that their mutual assembly can also be carried out at their installation position, both the shift rod with respect to an already mounted anchor or the armature with respect to an already mounted shift rod can be mounted or dismounted. Thus, in particular, a complicated, complete passage of the shift rod through the armature or an additional coupling element, as described in the prior art, avoided. An advantage is therefore a simple installation, which is as usual, without significant changes in the assembly process, executable. In addition, the disassembly method according to the invention enables a non-destructive separation of the armature and the shift rod to be performed by an intuitive movement, namely by merely pulling apart with a single handle.
Vorzugsweise wird das Schaltrelais aus, vorzugsweise zwei, Baugruppen zusammengesetzt, wobei die Schaltstange und der Anker zwei unterschiedlichen Baugruppen zugeordnet sind, die gegenseitig montiert werden, indem die Schaltstange nur teilweise in den Anker axial eingeschoben und eingerastet wird.Preferably, the switching relay is composed of, preferably two, assemblies, wherein the shift rod and the armature are assigned to two different assemblies, which are mutually mounted by the shift rod is only partially inserted axially into the armature and engaged.
Insbesondere um zwei solche Baugruppen leicht zu demontieren, ist die Schaltstange vom Anker mit der Entrastekraft entrastbar, die größer als die Kontaktaufreißkraft ist.In particular, to easily disassemble two such assemblies, the shift rod from the anchor with the Entrastekraft can be unlocked, which is greater than the contact tearing force.
Bei einer bevorzugen Ausführungsform ist als eine Baugruppe ein Gehäusebauteil, die Relaisspule, die Schaltstange und zumindest eine Kontaktplatte mit zumindest zwei Kontakten vormontiert und wird mit der Schaltstange auf den Anker aufgeschoben und eingerastet.In a preferred embodiment, a housing component, the relay coil, the shift rod and at least one contact plate with at least two contacts is preassembled as an assembly and is pushed and engaged with the shift rod on the anchor.
Vorzugsweise umfasst die Rastvorrichtung als ein Lager eine Schulter und ein ineinandergreifendes Gegenlager. Insbesondere ist die Rastvorrichtung durch eine entsprechende Form des Ankers und/oder der Schaltstange ausgebildet. So können der Anker und die Schaltstange durch gegenseitigen Formschluss unmittelbar gegenseitig einrasten und sind besonders einfach zu montieren, da vorteilhafterweise ein weiteres Bauteil, beispielsweise ein Kupplungselement gemäß dem Stand der Technik, vermieden wird, das als Rastvorrichtung sowohl mit dem Anker als auch mit der Schaltstange zu verbinden ist.Preferably, the latching device comprises as a bearing a shoulder and an interlocking counter bearing. In particular, the latching device is formed by a corresponding shape of the armature and / or the shift rod. Thus, the anchor and the shift rod by mutual positive connection directly engage each other and are particularly easy to assemble, as advantageously another component, such as a coupling element according to the prior art, is avoided, which is to be connected as a locking device with both the armature and the shift rod.
Ein Lager und ein Gegenlager können sowohl ein Bestandteil der Kontaktaufreißeinrichtung als auch der Rastvorrichtung sein, wobei vorzugsweise die beiden Funktionen, nämlich die der Kontaktaufreißeinrichtung und der Rastvorrichtung, durch unterschiedliche, zuvor und nachfolgend beschriebene Kräfte auf dasselbe Lager beziehungsweise Gegenlager realisiert werden. So wird der Herstellungs- und Montageaufwand reduziert.A bearing and an abutment can both be a component of the contact-tearing device and the detent device, wherein preferably the two functions, namely the contact tearing device and the detent device are realized by different, previously and subsequently described forces on the same bearing or thrust bearing. This reduces the manufacturing and assembly costs.
Bei einer bevorzugten Ausführungsform können der Anker und die Schaltstange auch durch Auseinanderziehen voneinander getrennt werden, wobei für diese Demontage die Rastnase mit einer Entrastekraft in umgekehrter Richtung über die Schulter hinwegbewegt wird. In eingerastetem Zustand bildet die Schulter also die Anschlagfläche für die Rastnase aus, wobei dieser gegenseitige Anschlag vorzugsweise nur mit einer definierten Entrastekraft überwunden werden kann.In a preferred embodiment, the armature and the shift rod can also be separated by pulling apart, for which disassembly the catch is moved away with a Entrastekraft in the reverse direction over the shoulder. In the locked state, the shoulder thus forms the abutment surface for the latching lug, wherein this mutual abutment can preferably be overcome only with a defined unlatching force.
Die Rastvorrichtung kann auch so ausgebildet sein, dass ihre, in dieser Beschreibung der Schaltstange zugeordneten, Teile dem Anker zugeordnet sind und umgekehrt. Insbesondere kann das Lager, insbesondere die Schulter, also an der Schaltstange und das Gegenlager, insbesondere die Rastnase, an dem Anker ausgebildet sein.The locking device can also be designed so that their, assigned in this description of the shift rod, parts are associated with the anchor and vice versa. In particular, the bearing, in particular the shoulder, that is on the switching rod and the counter bearing, in particular the latching lug, may be formed on the armature.
Im Übrigen kann die Rastvorrichtung auch eine Mehrzahl, vorzugsweise zwei, drei oder vier Rastnasen und ein Band als Schulter aufweisen. Ebenso kann die Rastvorrichtung realisiert werden, indem sowohl der Anker, als auch die Schaltstange jeweils zumindest eine Schulter und zumindest eine Rastnase aufweisen.Incidentally, the locking device may also have a plurality, preferably two, three or four locking lugs and a band as a shoulder. Likewise, the locking device can be realized by both the armature, and the shift rod each have at least one shoulder and at least one latching lug.
Vorzugsweise ist das Lager, insbesondere die Schulter, aus elastischem Material gefertigt, sodass eine geeignete Entrastekraft bestimmt ist, bei der sich das Lager elastisch so verformt, dass das Gegenlager, insbesondere die Rastnase, bei der Demontage freigegeben wird, also eine einfache Entrastung ermöglicht wird. Zusätzlich, vorzugsweise jedoch alternativ dazu, ist das Gegenlager, insbesondere die Rastnase, elastisch ausgebildet und kann insbesondere die Rastvorrichtung durch eine elastische Verformung des Gegenlagers, insbesondere der Rastnase, eingerastet beziehungsweise auch entrastet werden.Preferably, the bearing, in particular the shoulder, made of elastic material, so that a suitable Entrastekraft is determined, in which the bearing is elastically deformed so that the counter bearing, in particular the locking lug, is released during disassembly, so a simple unlatching is possible , In addition, but preferably as an alternative, the counter bearing, in particular the latching lug, is elastic and, in particular, the latching device can be latched or even unlocked by an elastic deformation of the counter bearing, in particular the latching lug.
Dabei ist besonders bevorzugt, dass die Anschlagfläche der Schulter und die Stirnfläche der Rastnase schräg zur axialen Richtung, insbesondere in einem speziellen Winkel, für eine entrastende Demontage der Schaltstange und des Ankers ausgebildet sind. Durch die schräge Ausbildung dieser Flächen wirken beim Auseinanderziehen, also bei einer Kraft in einer axialen Richtung, die Flächen wie eine schiefe Ebene, also quasi mit einer Keilwirkung oder auch als Rampe, sodass durch eine resultierende Kraft die Rastnase und die Schulter letztendlich zum Entrasten aneinander vorbeigeführt werden, und zwar vorzugsweise indem die Rastnase von der Schulter zusammengedrückt wird, sodass Anker und Schaltstange voneinander getrennt werden. Dabei kann der Winkel geeignet gewählt werden, um die Entrastekraft zu steuern.It is particularly preferred that the abutment surface of the shoulder and the end face of the latching lug are formed obliquely to the axial direction, in particular in a special angle, for a detent disassembly of the shift rod and the armature. Due to the oblique design of these surfaces act when pulling, so with a force in an axial direction, the surfaces like an inclined plane, so quasi with a wedge effect or as a ramp, so by a resultant force, the locking lug and the shoulder ultimately to unlock each other are passed, and preferably by the locking lug is compressed by the shoulder, so that the armature and shift rod are separated. In this case, the angle can be suitably chosen to control the Entrastekraft.
Außerdem können die Schulter und/oder auch die Rastnase jeweils eine zweite, zur axialen Richtung schräg angeordnete Fläche aufweisen, die dazu ausgebildet sind, beim Einrasten der Schaltstange und des Ankers die Rastnase an der Schulter mit geringem Kraftaufwand vorbeizuführen. Diese Flächen wirken dann ebenfalls, wie zuvor beschrieben, wie eine schiefe Ebene, also quasi mit einer Keilwirkung oder auch als Rampe.In addition, the shoulder and / or the locking lug can each have a second, inclined to the axial direction surface, which are adapted to pass the locking lug on the shoulder with little effort when snapping the shift rod and the anchor. These surfaces then act, as described above, like an inclined plane, so to speak, with a wedge effect or as a ramp.
Bei einer die Erfindung weiterbildenden Ausführungsform umfasst die Rastvorrichtung eine Distanzbuchse mit zumindest einer Rastnase. Eine solche Distanzbuchse kann Bestandteil der Schaltstange sein und ermöglicht die Verwendung unterschiedlicher Werkstoffe für die Rastvorrichtung und die übrigen Bestandteile der Schaltstange, beispielsweise um die genannte Elastizität der Rastnase zu realisieren oder die Lebensdauer zu erhöhen. Außerdem wird so die Montage des Schaltrelais vereinfacht, indem die Rastvorrichtung, zumindest die Rastnase mit der Distanzbuchse, an der Schaltstange vormontiert wird.In a further embodiment of the invention, the locking device comprises a spacer bush with at least one locking lug. Such a spacer can be part of the shift rod and allows the use of different materials for the locking device and the other components of the shift rod, for example, to realize the said elasticity of the latch or to increase the life. In addition, the assembly of the switching relay is simplified by the locking device, at least the locking lug with the spacer, is pre-mounted on the shift rod.
Insbesondere kann die Rastvorrichtung, insbesondere das Gegenlager, und zwar vorzugsweise die Distanzbuchse, aus Kunststoff gefertigt sein, um möglichst preiswert und gewichtssparend das Schaltrelais zu bauen.In particular, the locking device, in particular the counter bearing, preferably the spacer bush, be made of plastic in order to build the switching relay as inexpensively and weight-saving.
Um eine Rastvorrichtung mit langer Lebensdauer herzustellen, kann die Rastvorrichtung, insbesondere das Gegenlager, und zwar vorzugsweise die Distanzbuchse, aus einem federnden, metallischen Werkstoff gefertigt sein, beispielsweise um elastische Rastnasen auszubilden.In order to produce a latching device with a long service life, the latching device, in particular the counter-bearing, preferably the spacer bushing, can be made of a resilient, metallic material, for example to form elastic latching lugs.
Die Aufgabe wird auch von einer Startvorrichtung zum Starten einer Brennkraftmaschine mit einem zuvor oder nachfolgend beschriebenen Schaltrelais gelöst.The object is also achieved by a starting device for starting an internal combustion engine with a previously described or subsequently described switching relay.
Es versteht sich, dass die vorstehend genannten und nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen verwendbar sind.It goes without saying that the features mentioned above and those yet to be explained below can be used not only in the respectively specified combination but also in other combinations.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Die Erfindung wird im Folgenden unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- einen Querschnitt durch ein erfindungsgemäßes Schaltrelais,
- Fig. 2
- eine Detailvergrößerung einer Kontaktaufreißeinrichtung aus der
Fig. 1 und - Fig. 3
- einen Querschnitt durch eine erfindungsgemäße Rastvorrichtung.
- Fig. 1
- a cross section through a switching relay according to the invention,
- Fig. 2
- an enlarged detail of a contact tearing of the
Fig. 1 and - Fig. 3
- a cross section through a locking device according to the invention.
Die
In einem ausgeschalteten Zustand, der in der
In einem nicht dargestellten, eingeschalteten Zustand des Schaltrelais 1 wird die Relaisspule 2 bestromt und der Anker 3 bewegt sich in die Relaisspule 2, sodass eine Stirnfläche des im Anker 3 koaxial gelagerten Druckbolzen 13 gegen einen Kopf 43 der Schaltstange 4 stößt und die Kontaktbrücke mit der Kontaktplatte 5 entgegen der Federkraft schließt. In diesem Zustand fließt ein Strom über die mit der Kontaktplatte 5 verbundenen Kontaktschrauben 7 zum Betreiben des Startermotors der Startvorrichtung.'In diesem Zustand liegen die Rastnasen 9 ebenfalls nicht axial an der Schulter 10 des Ankers 3 an, sodass die Lebensdauer erhöht wird.In an unillustrated, switched state of the switching relay 1, the
Die
Dabei zeigt die
Die
Deshalb funktioniert die Kontaktaufreißeinrichtung wie folgt. Der Anker 3 bewegt sich, wie zuvor genannt, aufgrund von Federkraft und fehlender magnetischer Wirkung aus der nicht mehr bestromten Relaisspule 2 heraus. Dabei erfährt der Anker 3 eine Beschleunigung mit einer bestimmten Masse M. Da die Schaltstange 4 aufgrund der Kontaktverschweißung sich nicht zurückbewegt, schlägt der Anker 3 mit der Schulter 10 an den Rastnasen 9 an und überträgt so die Kontaktaufreißkraft durch einen Impuls auf die Schaltstange 4, sodass die Kontaktverschweißung aufgerissen wird. Zur Erzeugung des Impulses führt der Anker 3 einen Weg S aus.Therefore, the contact breaker operates as follows. The
Die
Die Schulter 10 ist durch eine Hinterdrehung in einer axialen Öffnung des Ankers 3 gefertigt und weist eine Anschlagfläche 12 und eine Fase 14 auf. Die Rastnasen 9 sind an einer, alternativ aus Kunststoff gefertigten, Distanzbuchse 8 ausgebildet und weisen an einem Schenkelende jeweils eine Stirnfläche 11 auf, wobei die Stirnflächen 11 und die Anschlagfläche 12 für einen gegenseitigen Anschlag der Rastnasen 9 und der Schulter 10 ausgebildet sind, um die Schaltstange 4 und den Anker 3 sowohl einzurasten als auch die Kontaktaufreißkraft von dem Anker 3 auf die Schaltstange 4 zu übertragen.The
Zur Montage des Schaltrelais, insbesondere zur Montage der Schaltstange 4 mit dem Anker 3, wird die Schaltstange 4 mit ihrem Ende, das den Kopf 43 und die Distanzbuchse 8 aufweist, in den Anker 3 axial teilweise eingeschoben, wobei die Rastnasen jeweils an der Schulter 10 vorbei in die axiale Öffnung des Ankers 3 hineingepresst werden, indem die elastischen Rastnasen 9 mit ihrer konusförmigen Fläche 15 von der Schulter 10 durch eine Keilwirkung der schrägen Fase 14 zusammengedrückt werden. Nach dem Passieren der Schulter 10 nehmen die Rastnasen 9 aufgrund ihrer elastischen Eigenschaft wieder ihre ursprüngliche Form an, sodass die Schaltstange 4 in dem Anker 3 einrastet und bei einem Herausziehen des Ankers die Kontaktaufreißeinrichtung wirkt, indem die Rastnasen 9 jeweils mit ihren Stirnflächen 11 gegen die Anschlagfläche 12 der Schulter 10 stoßen. Somit kann die Schaltstange 4 einfach durch bloßes Einrasten in dem Anker 3 mit diesem montiert werden. Es werden damit zwei Fertigbaugruppen, nämlich der Anker 3 mit dem Druckbolzen 13 und die vorgefertigte Baugruppe des Starterrelais 1 mit Kontaktplatte 5, wie herkömmlicherweise in einem Schritt zusammengesetzt.For mounting the switching relay, in particular for mounting the
Zur Demontage wird die Schaltstange 4 in Richtung der Kontaktplatte 5 aus dem Anker 3 axial herausgezogen, beziehungsweise der Anker 3 in entgegengesetzter Richtung von der Schaltstange 4 abgezogen, wobei jedoch die Stirnfläche 11 gegen die Anschlagfläche 12 stößt. Beide Flächen sind gegenüber der axialen Richtung schräg ausgebildet, sodass eine Keilwirkung zwischen den elastischen Rastnasen 9 und der Schulter 10 entsteht und die Rastnasen 9 bei einer ausreichend großen Demontagekraft, die größer als die Kontaktaufreißkraft ist, zusammengedrückt werden, sobald die Schaltstange 4 mit einer geeigneten Entrastekraft beaufschlagt wird. Also kann die Schaltstange 4 durch eine einfache Bewegung von dem Anker 3 demontiert werden, und zwar insbesondere zerstörungsfrei, sodass eine anschließende Montage ohne zusätzlichen Aufwand möglich ist.For disassembly, the
Im Übrigen ist die Entrastekraft im Wesentlichen durch die Elastizität der Rastnasen 9 und durch den Winkel α der Stirnfläche 11 beziehungsweise der Anschlagfläche 12 gegenüber der axialen Richtung konstruktiv definiert, und zwar insbesondere so, dass die Entrastekraft die Kontaktaufreißkraft übersteigt. So ist sichergestellt, dass bei einer Kontaktverschweißung die Kontaktaufreißkraft von dem Anker 3 auf die Schaltstange 4 übertragen wird, ohne dabei die Rastvorrichtung zu entrasten und gleichzeitig jedoch eine Entrastung bei einer Demontage, beispielsweise für eine Wartung oder für eine Werkstofftrennung bei einer Entsorgung des Schaltrelais 1, möglich ist.Incidentally, the unlatching force is essentially constructively defined by the elasticity of the latching lugs 9 and by the angle α of the
Insgesamt werden durch das erfindungsgemäße Schaltrelais 1, insbesondere im Vergleich zum Stand der Technik, die folgenden Vorteile erzielt: Die Kontaktaufreißeinrichtung kann ohne ein zusätzliches Kupplungselement oder weiteres Bauteil realisiert werden und ist insbesondere zerstörungsfrei und wiedermontierbar demontierbar. Die erfindungsgemäße Rastvorrichtung kann bei herkömmlichen Schaltrelais mit der Distanzbuchse 8 mit Rastnasen 9 ohne wesentliche konstruktive Änderungen montiert werden, insbesondere ohne eine Veränderung der Montageschritte, sowie ohne Änderungen der Relaisspule 2, der Federkräfte, der Kontaktplatte 5 mit den Kontakten 6 oder der Länge des Ankers 3 und der Schaltstange 4. Insgesamt lässt sich also eine Kontaktaufreißeinrichtung kostengünstig mit der erfindungsgemäßen Rastvorrichtung kombinieren.Overall, the following advantages are achieved by the switching relay 1 according to the invention, in particular in comparison to the prior art: The contact ripping device can be realized without an additional coupling element or further component and is in particular destructively removable and re-demountable. The locking device according to the invention can be mounted in conventional switching relay with the spacer 8 with locking
Ein weiteres, nicht dargestelltes Ausführungsbeispiel stellt eine Startvorrichtung zum Starten einer Brennkraftmaschine in einem Kraftfahrzeug mit dem in den
Claims (11)
- Switching relay (1), in particular for a starting apparatus for starting an internal combustion engine, having a contact device (5), a relay coil (2), an armature (3), an actuating rod (4), with the actuating rod (4) being moved by the armature (3) when current is supplied to the relay coil (2) and the contact device (5) being operated by means of the actuating rod (4), and having a contact breaking device by means of which the armature (3) and the actuating rod (4) are coupled to one another, with the relay coil (2) and the contact device (5) being formed such that they can be pushed onto the armature (3) as an assembly, wherein the armature (3) is in the form of part of an unlatchable latching apparatus for the contact breaking device, and the actuating rod (4) has at least one latching lug (9) as the mating bearing (9) and the armature (3) has a shoulder (10), with the shoulder (10) forming a stop face (12) for an end face (11) of a limb end of the latching lug (9).
- Switching relay (1) according to Claim 1, characterized in that the actuating rod (4) can be latched into the armature (3) with play, which is axial in the current-free state, of the relay coil (2).
- Switching relay (1) according to either of Claims 1 and 2, characterized in that the actuating rod (4) and the armature (3) can be unlatched with an unlatching force which is greater than a contact breaking force.
- Switching relay (1) according to one of Claims 1 to 3, characterized in that the latching apparatus comprises the shoulder (10) and the interengaging mating bearing (9).
- Switching relay (1) according to Claim 4, characterized in that the stop face (12) of the shoulder (10) and the end face (11) of the latching lug (9) are each formed in an inclined manner with respect to the axial direction, in particular at a specific angle (α), for removing the actuating rod (4) and the armature (3) by unlatching.
- Switching relay (1) according to one of Claims 1 to 5, characterized in that the latching apparatus comprises a spacer bushing (8) with latching lugs (9) .
- Switching relay (1) according to one of Claims 1 to 6, characterized in that the latching apparatus, in particular the mating bearing (9), is produced at least partially from plastic.
- Switching relay (1) according to one of Claims 1 to 6, characterized in that the latching apparatus, in particular the mating bearing (9), is produced at least partially from resilient metal material.
- Starting apparatus for starting an internal combustion engine having a switching relay according to one of Claims 1 to 8.
- Mounting method for a switching relay (1), according to one of Claims 1 to 8, or for a starting apparatus according to Claim 9, having a contact device (5), a relay coil (2), an armature (3), an actuating rod (4), with the actuating rod (4) being moved by the armature (3) when current is supplied to the relay coil (2) and the contact device (5) being operated by means of the actuating rod (4), and having a contact breaking device by means of which the armature (3) and the actuating rod (4) are coupled to one another, with the relay coil (2) and the contact device (5) being pushed onto the armature as an assembly, wherein the actuating rod (4) is partially pushed into the armature (3) by way of its end which is opposite the contact device (5) and is latched into said armature (3) such that it can be unlatched.
- Removal method for a switching relay (1), according to one of Claims 1 to 8, or for a starting apparatus, according to Claim 9, having a contact device (5), a relay coil (2), an armature (3), an actuating rod (4), with the actuating rod (4) being moved by the armature (3) when current is supplied to the relay coil (2) and the contact device (5) being operated by means of the actuating rod (4), and having a contact breaking device by means of which the armature (3) and the actuating rod (4) are coupled to one another, wherein the actuating rod (4) is withdrawn from the armature (3) in the direction of the contact device (5), with said actuating rod being unlatched with an unlatching force, which exceeds a contact breaking force, for unlatching a latching apparatus which is part of the armature (3), and being withdrawn, and the relay coil (2) and the contact device (5) being removed from the armature as an assembly.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102009027844A DE102009027844A1 (en) | 2009-07-20 | 2009-07-20 | Switching relay with contact tearing device |
PCT/EP2010/060490 WO2011009865A1 (en) | 2009-07-20 | 2010-07-20 | Switching relay having contact ripping device |
Publications (2)
Publication Number | Publication Date |
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EP2457245A1 EP2457245A1 (en) | 2012-05-30 |
EP2457245B1 true EP2457245B1 (en) | 2015-07-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP10735262.7A Not-in-force EP2457245B1 (en) | 2009-07-20 | 2010-07-20 | Switching relay having contact ripping device |
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US (1) | US9177744B2 (en) |
EP (1) | EP2457245B1 (en) |
JP (1) | JP5698233B2 (en) |
KR (1) | KR101761545B1 (en) |
CN (1) | CN102473556B (en) |
DE (1) | DE102009027844A1 (en) |
WO (1) | WO2011009865A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE102009027844A1 (en) * | 2009-07-20 | 2011-01-27 | Robert Bosch Gmbh | Switching relay with contact tearing device |
DE102012215344A1 (en) * | 2012-08-29 | 2014-03-06 | Robert Bosch Gmbh | Relay e.g. electromagnetic switch, for e.g. starter for starting internal combustion engine of motor car, has contact bridge including transmitter, and resilient pre-contact head connecting bolts before transmitter during actuation of relay |
DE202013102717U1 (en) | 2013-06-24 | 2014-09-25 | Rehau Ag + Co. | extrusion profile |
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CN112992576B (en) * | 2019-12-17 | 2022-11-25 | 天津平高智能电气有限公司 | Vacuum interrupter assembly fixture |
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JP4038507B2 (en) * | 2004-12-10 | 2008-01-30 | 三菱電機株式会社 | Electromagnetic switch for starter |
JP4535033B2 (en) * | 2005-10-14 | 2010-09-01 | 株式会社デンソー | Pressure reducing valve and fuel injection device |
DE102007014764A1 (en) * | 2007-03-28 | 2008-06-12 | Robert Bosch Gmbh | 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 |
DE102009001725A1 (en) * | 2009-03-23 | 2010-09-30 | Robert Bosch Gmbh | Starting relay of a starting device for internal combustion engines |
DE102009027844A1 (en) * | 2009-07-20 | 2011-01-27 | Robert Bosch Gmbh | Switching relay with contact tearing device |
JP5581973B2 (en) * | 2010-10-28 | 2014-09-03 | 株式会社デンソー | Electromagnetic solenoid |
-
2009
- 2009-07-20 DE DE102009027844A patent/DE102009027844A1/en not_active Withdrawn
-
2010
- 2010-07-20 KR KR1020127001535A patent/KR101761545B1/en active IP Right Grant
- 2010-07-20 JP JP2012521020A patent/JP5698233B2/en not_active Expired - Fee Related
- 2010-07-20 EP EP10735262.7A patent/EP2457245B1/en not_active Not-in-force
- 2010-07-20 WO PCT/EP2010/060490 patent/WO2011009865A1/en active Application Filing
- 2010-07-20 CN CN201080032634.5A patent/CN102473556B/en not_active Expired - Fee Related
- 2010-07-20 US US13/386,241 patent/US9177744B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP5698233B2 (en) | 2015-04-08 |
KR101761545B1 (en) | 2017-07-26 |
DE102009027844A1 (en) | 2011-01-27 |
WO2011009865A1 (en) | 2011-01-27 |
CN102473556B (en) | 2016-01-20 |
US9177744B2 (en) | 2015-11-03 |
JP2012533861A (en) | 2012-12-27 |
EP2457245A1 (en) | 2012-05-30 |
KR20120032534A (en) | 2012-04-05 |
US20120180745A1 (en) | 2012-07-19 |
CN102473556A (en) | 2012-05-23 |
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