EP0578984B1 - Interlocking block for electromagnetic switching devices - Google Patents

Interlocking block for electromagnetic switching devices Download PDF

Info

Publication number
EP0578984B1
EP0578984B1 EP93109632A EP93109632A EP0578984B1 EP 0578984 B1 EP0578984 B1 EP 0578984B1 EP 93109632 A EP93109632 A EP 93109632A EP 93109632 A EP93109632 A EP 93109632A EP 0578984 B1 EP0578984 B1 EP 0578984B1
Authority
EP
European Patent Office
Prior art keywords
latching block
switching device
electromagnetic switching
housing
latching
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.)
Expired - Lifetime
Application number
EP93109632A
Other languages
German (de)
French (fr)
Other versions
EP0578984A2 (en
EP0578984A3 (en
Inventor
Johann Lehmeier
Erwin Dipl.-Ing Flierl (Fh)
Gerhard Dipl.-Ing. Schröther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0578984A2 publication Critical patent/EP0578984A2/en
Publication of EP0578984A3 publication Critical patent/EP0578984A3/en
Application granted granted Critical
Publication of EP0578984B1 publication Critical patent/EP0578984B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01H51/10—Contacts retained open or closed by a latch which is controlled by an electromagnet

Definitions

  • the invention relates to a latching block with a housing for connecting to an electromagnetic switching device, which holds the switching device in the working position by locking the switching movement.
  • the locking parts consist of a knee joint which blocks the return movement of the part performing the switching movement in an almost extended over-center position.
  • the knee joint is brought into the dead center position by spring loading.
  • the locking is released by an electromagnetically operated plunger.
  • the position of the knee joint and the entire latching block must be adapted accordingly to the stroke of the electromagnetic switching device.
  • the invention is intended to create a latching block that automatically adapts to any strokes of different switching devices. This is achieved in a simple manner in that the latching block contains a locking part which has a toothed rack and a ratchet wheel, the rack being able to be positively coupled to the part carrying out the switching movement and acting on the ratchet wheel and the detent for unlocking can be canceled.
  • an electromagnet is provided to cancel the latching.
  • the rack is used as a switching position indicator is trained.
  • the housing is in the form of an auxiliary switch attachment block with corresponding coupling means. If the housing does not take up the full width of the electromagnetic switching device, additional auxiliary switches can be placed on the electromagnetic switching device in addition to the latching block. In order to also be able to release the locking on site, it is advantageous if a manual unlatching plunger is provided.
  • the latching block arranged in the housing 1 consists of a toothed rack 2, which acts on a ratchet wheel 4 via the pinion 3.
  • a pivotably mounted lever 5 engages in the catch of the ratchet wheel 4 and is pressed into the catch by a spring 6.
  • the lever 5 is connected to the armature 7 of an electromagnet 8, which can be remotely operated via the connections 9.
  • the rack 2 protrudes beyond the contour of the housing with the end 10 as a switch position indicator, as can be seen from FIG. 3.
  • a manual unlatching plunger 11 also protrudes beyond the housing contour and can be lifted with the lever 5 in a manner not shown the detent in connection.
  • the rack 2 is provided on the side facing away from the end 10 with a hammer head 12 which, when the housing 2 is pushed onto the electromagnetic switching device 13, engages in a corresponding recess 14 in the part of the switching device which performs the switching movement.
  • a molded latch 16 is used to latch the latching block to the housing of the electromagnetic switching device. As shown in FIGS.
  • the width of the latching block corresponds to the part of two auxiliary switch attachment blocks, so that in the case of an electromagnetic switching device to which four auxiliary switch blocks can be placed, two more Additional auxiliary switch blocks 17 - indicated by dashed lines in FIGS. 2 and 3 - can be attached.
  • the function of the latching block is as follows: When the electromagnetic switching device is switched on, the rack is pulled downwards by the part of the electromagnetic switching device that performs the switching movement, the ratchet wheel rotating in a clockwise direction via the pinion 3. The rack is held in the tightened position and thus also the part of the switching device which carries out the switching movement by the lever 5 which engages in the detent of the ratchet wheel 4. By tightening the electromagnet 8, the lever can be pulled out of the catch, so that the latching is released and the part of the switching device which carries out the switching movement can return to the rest position. To cancel, instead of applying tension to the electromagnet, the manual unlatching plunger 11 can also be pressed into the housing.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Electromagnets (AREA)
  • Agricultural Machines (AREA)

Description

Die Erfindung bezieht sich auf einen Verklinkungsblock mit Gehäuse zum Verbinden mit einem elektromagnetischen Schaltgerät, der durch Verriegeln des die Schaltbewegung durchführenden Teiles des Schaltgerätes dieses in Arbeitsstellung hält.The invention relates to a latching block with a housing for connecting to an electromagnetic switching device, which holds the switching device in the working position by locking the switching movement.

Bei einem bekannten Verklinkungsblock der obengenannten Art (DE-PS 26 25 292) bestehen die Verriegelungsteile aus einem Kniegelenk, das die Rückbewegung des die Schaltbewegung durchführenden Teiles in nahezu gestreckter Übertotpunktlage blockiert. Das Kniegelenk wird durch Federbelastung in die Übertotpunktlage gebracht. Das Aufheben der Verriegelung erfolgt durch einen elektromagnetisch betätigten Stößel. Die Lage des Kniegelenks und des gesamten Verklinkungsblockes müssen an den Hub des elektromagnetischen Schaltgerätes entsprechend angepaßt werden.In a known latching block of the type mentioned above (DE-PS 26 25 292), the locking parts consist of a knee joint which blocks the return movement of the part performing the switching movement in an almost extended over-center position. The knee joint is brought into the dead center position by spring loading. The locking is released by an electromagnetically operated plunger. The position of the knee joint and the entire latching block must be adapted accordingly to the stroke of the electromagnetic switching device.

Durch die Erfindung soll ein Verklinkungsblock geschaffen werden, der sich selbsttätig an beliebige Hübe unterschiedlicher Schaltgeräte anpaßt. Dies wird auf einfache Weise dadurch erreicht, daß der Verklinkungsblock ein Verriegelungsteil enthält, das eine Zahnstange und ein Rastenrad aufweist, wobei die Zahnstange mit dem die Schaltbewegung durchführenden Teil formschlüssig kuppelbar ist und auf das Rastenrad einwirkt und die Rastung zur Entriegelung aufhebbar ist. Zur Aufhebung der Verriegelung hat es sich als vorteilhaft erwiesen, wenn zur Aufhebung der Rastung ein Elektromagnet vorgesehen ist. Um auch bei aufgesetztem Verriegelungsblock die Stellung des elektromagnetischen Schaltgerätes erkennen zu können, ist es von Vorteil, wenn die Zahnstange als Schaltstellungsanzeige ausgebildet ist. Um keine gesonderten Befestigungsmittel für den Verklinkungsblock am Schaltgerät vorsehen zu müssen, ist es von Vorteil, wenn das Gehäuse die Form eines Hilfsschalteraufsatzblockes mit entsprechenden Ankopplungsmitteln besitzt. Sofern das Gehäuse nicht die volle Breite des elektromagnetischen Schaltgerätes einnimmt, können neben dem Verklinkungsblock weitere Hilfsschalter auf das elektromagnetische Schaltgerät aufgesetzt werden. Um auch eine Aufhebung der Verriegelung vor Ort durchführen zu können, ist es von Vorteil, wenn ein Handentklinkungsstößel vorgesehen ist.The invention is intended to create a latching block that automatically adapts to any strokes of different switching devices. This is achieved in a simple manner in that the latching block contains a locking part which has a toothed rack and a ratchet wheel, the rack being able to be positively coupled to the part carrying out the switching movement and acting on the ratchet wheel and the detent for unlocking can be canceled. To cancel the locking, it has proven to be advantageous if an electromagnet is provided to cancel the latching. In order to be able to recognize the position of the electromagnetic switching device even when the locking block is attached, it is advantageous if the rack is used as a switching position indicator is trained. In order not to have to provide separate fastening means for the latching block on the switching device, it is advantageous if the housing is in the form of an auxiliary switch attachment block with corresponding coupling means. If the housing does not take up the full width of the electromagnetic switching device, additional auxiliary switches can be placed on the electromagnetic switching device in addition to the latching block. In order to also be able to release the locking on site, it is advantageous if a manual unlatching plunger is provided.

Anhand der Zeichnung wird ein Ausführungsbeispiel gemäß der Erfindung beschrieben. Es zeigen:

FIG 1
eine Seitenansicht auf den auf das elektromagnetische Schaltgerät aufgesetzten Verklinkungsblock, zum Teil im Schnitt,
FIG 2
eine Draufsicht auf die Anordnung nach FIG 1 und
FIG 3
eine Vorderansicht auf die Anordnung nach FIG 1.
An exemplary embodiment according to the invention is described with reference to the drawing. Show it:
FIG. 1
2 shows a side view of the latching block placed on the electromagnetic switching device, partly in section,
FIG 2
a plan view of the arrangement of FIG 1 and
FIG 3
a front view of the arrangement of FIG. 1

Der in dem Gehäuse 1 angeordnete Verklinkungsblock besteht aus einer Zahnstange 2, die über das Ritzel 3 auf ein Rastenrad 4 einwirkt. In die Rastung des Rastenrades 4 greift ein schwenkbar gelagerter Hebel 5 ein, der über eine Feder 6 in die Rastung gedrückt wird. Zur Aufhebung der Rastung ist der Hebel 5 mit dem Anker 7 eines Elektromagneten 8 in Verbindung gebracht, der über die Anschlüsse 9 fernbetätigbar ist. Die Zahnstange 2 ragt über die Kontur des Gehäuses mit dem Ende 10 als Schaltstellungsanzeige hinaus, wie dies aus FIG 3 zu ersehen ist. Ein Handentklinkungsstößel 11 ragt ebenfalls über die Gehäusekontur hinaus und steht mit dem Hebel 5 auf nicht näher dargestellte Weise zur Aufhebung der Rastung in Verbindung. Die Zahnstange 2 ist auf der dem Ende 10 abgewandten Seite mit einem Hammerkopf 12 versehen, der beim Aufschieben des Gehäuses 2 auf das elektromagnetische Schaltgerät 13 in eine entsprechende Aussparung 14 des die Schaltbewegung durchführenden Teiles des Schaltgerätes eingreift. Das Gehäuse ist mit entsprechenden Haken 15 versehen, die beim Aufschieben mit entsprechenden Ausnehmungen des Gehäuses des elektromagnetischen Schaltgerätes in Eingriff gebracht werden, wie dies beispielsweise aus dem DE-GM 88 05 878 = GR 88 G 3185 DE bekannt ist. Zur Verrastung des Verklinkungsblockes mit dem Gehäuse des elektromagnetischen Schaltgerätes dient eine angeformte Rastklinke 16. Wie die FIG 2 und 3 zeigen, entspricht die Breite des Verklinkungsblockes der Teiles zweier Hilfsschalteraufsatzblöcke, so daß bei einem elektromagnetischen Schaltgerät, auf das vier Hilfsschalterblöcke aufsetzbar sind, noch zwei zusätzliche Hilfsschalterblöcke 17 - in FIG 2 und 3 gestrichelt angedeutet - aufsetzbar sind.The latching block arranged in the housing 1 consists of a toothed rack 2, which acts on a ratchet wheel 4 via the pinion 3. A pivotably mounted lever 5 engages in the catch of the ratchet wheel 4 and is pressed into the catch by a spring 6. To cancel the latching, the lever 5 is connected to the armature 7 of an electromagnet 8, which can be remotely operated via the connections 9. The rack 2 protrudes beyond the contour of the housing with the end 10 as a switch position indicator, as can be seen from FIG. 3. A manual unlatching plunger 11 also protrudes beyond the housing contour and can be lifted with the lever 5 in a manner not shown the detent in connection. The rack 2 is provided on the side facing away from the end 10 with a hammer head 12 which, when the housing 2 is pushed onto the electromagnetic switching device 13, engages in a corresponding recess 14 in the part of the switching device which performs the switching movement. The housing is provided with corresponding hooks 15 which, when pushed on, are brought into engagement with corresponding recesses in the housing of the electromagnetic switching device, as is known, for example, from DE-GM 88 05 878 = GR 88 G 3185 DE. A molded latch 16 is used to latch the latching block to the housing of the electromagnetic switching device. As shown in FIGS. 2 and 3, the width of the latching block corresponds to the part of two auxiliary switch attachment blocks, so that in the case of an electromagnetic switching device to which four auxiliary switch blocks can be placed, two more Additional auxiliary switch blocks 17 - indicated by dashed lines in FIGS. 2 and 3 - can be attached.

Zur Funktion des Verklinkungsblockes ist folgendes auszuführen: Bei Einschalten des elektromagnetischen Schaltgerätes wird die Zahnstange durch den die Schaltbewegung durchführenden Teil des elektromagnetischen Schaltgerätes nach unten gezogen, wobei sich das Rastenrad über das Ritzel 3 im Uhrzeigersinne verdreht. Die Zahnstange wird in der angezogenen Stellung und damit auch der die Schaltbewegung durchführende Teil des Schaltgerätes durch den Hebel 5, der in die Rastung des Rastenrades 4 eingreift, gehalten. Durch Anspannunglegen des Elektromagneten 8 kann der Hebel aus der Rastung herausgezogen werden, so daß die Verklinkung aufgehoben wird und der die Schaltbewegung durchführende Teil des Schaltgerätes in die Ruhelage zurückgehen kann. Zur Aufhebung kann anstelle des Anspannunglegens des Elektromagneten auch der Handentklinkungsstößel 11 in das Gehäuse hineingedrückt werden.The function of the latching block is as follows: When the electromagnetic switching device is switched on, the rack is pulled downwards by the part of the electromagnetic switching device that performs the switching movement, the ratchet wheel rotating in a clockwise direction via the pinion 3. The rack is held in the tightened position and thus also the part of the switching device which carries out the switching movement by the lever 5 which engages in the detent of the ratchet wheel 4. By tightening the electromagnet 8, the lever can be pulled out of the catch, so that the latching is released and the part of the switching device which carries out the switching movement can return to the rest position. To cancel, instead of applying tension to the electromagnet, the manual unlatching plunger 11 can also be pressed into the housing.

Claims (5)

  1. Latching block having a housing (1) for connection to an electromagnetic switching device (13), which latching block holds the switching device in the working position by interlocking the portion of the switching device that carries out the switching movement, characterised in that the latching block contains an interlocking portion, which has a gear rack (2) and a notching wheel (4), wherein the gear rack (2) can be coupled in a form-locking manner with the portion which carries out the switching movement, and acts on the notching wheel (4), and the notching (4, 5) can be cancelled in order to deactivate the interlock.
  2. Latching block according to claim 1, characterised in that an electromagnet (8) is provided in order to cancel the notching (4, 5).
  3. Latching block according to claim 1 or 2, characterised in that the gear rack (2) is constructed as a position display.
  4. Latching block according to claim 1, 2 or 3, characterised in that the housing (1) has the shape of an auxiliary-switch attachment block having corresponding coupling means (12 - 16).
  5. Latching block according to one of the preceding claims, characterised in that a manual unlatching plunger (11) is provided.
EP93109632A 1992-07-16 1993-06-16 Interlocking block for electromagnetic switching devices Expired - Lifetime EP0578984B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9209555U 1992-07-16
DE9209555U DE9209555U1 (en) 1992-07-16 1992-07-16 Latching block for electromagnetic switching devices

Publications (3)

Publication Number Publication Date
EP0578984A2 EP0578984A2 (en) 1994-01-19
EP0578984A3 EP0578984A3 (en) 1995-01-18
EP0578984B1 true EP0578984B1 (en) 1996-11-13

Family

ID=6881680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93109632A Expired - Lifetime EP0578984B1 (en) 1992-07-16 1993-06-16 Interlocking block for electromagnetic switching devices

Country Status (4)

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US (1) US5379015A (en)
EP (1) EP0578984B1 (en)
DE (2) DE9209555U1 (en)
ES (1) ES2093321T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133702C1 (en) * 2001-07-11 2002-12-12 Moeller Gmbh Switching device for interrupting/connecting magnetic flux in a magnetic circuit slides two magnetic contact makers against each other each having a surface structure with recesses on surfaces opposite each other
DE10133713C5 (en) * 2001-07-11 2006-10-05 Moeller Gmbh Electromagnetic drive
DE10133700B4 (en) * 2001-07-11 2005-03-31 Moeller Gmbh Electromagnetic drive

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE682108C (en) * 1937-11-25 1939-10-07 Ver Eisenbahn Signalwerke G M Autonomous route block
US3763713A (en) * 1972-01-19 1973-10-09 Oak Electro Netics Corp Rotary solenoid ratchet switch
DE2625292C3 (en) * 1976-06-04 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Remotely controllable, electromagnetic switching device
FR2399115A2 (en) * 1977-07-29 1979-02-23 Saparel ELECTROMAGNETIC RELAY
US4307361A (en) * 1980-05-01 1981-12-22 Westinghouse Electric Corp. Electric control apparatus with an electromechanical latch device
DE3105116C1 (en) * 1981-02-12 1982-11-11 Siemens AG, 1000 Berlin und 8000 München Remote-control electromagnetic switching apparatus
FR2523763A1 (en) * 1982-03-19 1983-09-23 Telemecanique Electrique REMOVABLE DEVICE FOR LOCKING A CONTACTOR IN ITS WORKING POSITION
FR2581242B1 (en) * 1985-04-24 1988-08-26 Telemecanique Electrique ELECTRICAL CONTROL DEVICE ADAPTABLE TO A TWO-STATE SWITCHING DEVICE
DE3612649C1 (en) * 1986-04-15 1987-10-29 Bosch Siemens Hausgeraete Display device for electrically operated household appliances
DE8805878U1 (en) * 1988-05-03 1989-09-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De

Also Published As

Publication number Publication date
DE9209555U1 (en) 1993-11-25
ES2093321T3 (en) 1996-12-16
EP0578984A2 (en) 1994-01-19
EP0578984A3 (en) 1995-01-18
US5379015A (en) 1995-01-03
DE59304462D1 (en) 1996-12-19

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