EP1151449B1 - Push-pull switch - Google Patents

Push-pull switch Download PDF

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Publication number
EP1151449B1
EP1151449B1 EP00907427A EP00907427A EP1151449B1 EP 1151449 B1 EP1151449 B1 EP 1151449B1 EP 00907427 A EP00907427 A EP 00907427A EP 00907427 A EP00907427 A EP 00907427A EP 1151449 B1 EP1151449 B1 EP 1151449B1
Authority
EP
European Patent Office
Prior art keywords
push
handle
pull switch
actuating
balls
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
EP00907427A
Other languages
German (de)
French (fr)
Other versions
EP1151449A1 (en
Inventor
Reinhard Herdegen
Rudolf Zimmermann
Peter Weiss
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 EP1151449A1 publication Critical patent/EP1151449A1/en
Application granted granted Critical
Publication of EP1151449B1 publication Critical patent/EP1151449B1/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
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring

Definitions

  • the invention relates to a push-pull switch an actuating mechanism that has a handle, one with the handle related actuating plunger Actuation of a switching element and a rosette, in which the actuating plunger is axially displaceable, wherein the actuating plunger has a locking element which at Engage the ON actuation on the rosette.
  • a generic push-pull switch has been on the for years Electronics market delivered.
  • the system used here works with detents in the axial direction, i.e. in the direction of the switching element paths two or more stationary positions enable the handle.
  • Those used here as locking elements Balls move between the ON and OFF positions back and forth in the same way.
  • the balls snap spring-loaded from a valley in the ON position over a mountain in a valley behind it for the AUS position and on the same Way back.
  • the holding force of the detent reduced by the restoring forces of the actuated switching elements. Therefore there must be a sufficiently large difference between the one actually required for snapping back Force and the sum of the maximum restoring forces that occur of the switching elements can be ensured.
  • the resetting force is oversized, causing the material is under constant stress. Hence the lifespan is limited and the ease of use due to the extremely hard detent reduced.
  • the invention is therefore based on the object of a push-pull switch of the type mentioned above for electromechanical control devices to create that of the contact pressure of the actuated Switching elements can not be reset and a maximum offers functional reliability and ease of use.
  • the object is achieved in that the actuating plunger is engaged with a thread in the handle, whereby a pulling motion on the handle into a rotary motion of the Actuating plunger is convertible to release the locking.
  • This solution according to the invention makes it possible in principle for the ON and OFF switching process other ways for the Provide locking elements to ensure a safe, avoiding resetting To ensure locking in the ON position.
  • the mentioned solution also has the advantage that no additional Part for turning unlocking is required.
  • a particularly advantageous embodiment is when the Rosette a tangentially extending and tapering Has recess in which in the ON position designed as balls Locking elements are included.
  • This version enables the rotary release, in which the actuating plunger is rotated is and thereby the locking elements on the contour of Recess gently and in their starting position, i.e. the OFF position.
  • the balls are in the ON position more than half their diameter in the recess are. Even strong blows and vibrations combined with large restoring forces of the actuated switching elements do not lead to resets with such an execution.
  • FIGs 1, 2 show a sectional view of an inventive Actuation mechanism 1 of a push-pull switch.
  • the actuating mechanism 1 is in the starting position "OFF" shown.
  • the operating mechanism 1 comprises a handle 2, one associated with this Actuating plunger 3 for actuating a switching element and a cylindrical rosette 4.
  • the handle 2 with the actuating plunger 3 is in the direction of actuation according to arrow 5 axially displaceable.
  • the actuating plunger 3 is with spring-loaded balls 6 provided as locking elements, the in the OFF position according to FIG. 1 in an upper recess 7 grasp the inner wall of the rosette 4.
  • the balls 6 lie on a slope 8 of a projection 9, which is down another recess 10 connects.
  • the transition of the lead 9 in the further recess 10 is perpendicular to.
  • the further recess 10 serves as a rest valley, in which the balls 6 when the Lock handle 2 and thus the actuating plunger 3 in the Hold the ON position as shown in Figures 2 and 3.
  • the recess 10 extends tangentially on the inner circumference of the rosette 4 a taper according to Figure 4.
  • the handle 2 is with a Steep thread 11 provided with which the actuating plunger 3 in Intervention stands.
  • a compression spring 12 is with its lower End on the rosette 4 and with its upper end on the actuating plunger 3 supported.

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  • Push-Button Switches (AREA)

Description

Die Erfindung bezieht sich auf einen Druck-Zug-Schalter mit einem Betätigungsmechanismus, der eine Handhabe, einen mit der Handhabe in Verbindung stehenden Betätigungsstößel zur Betätigung eines Schaltgliedes und eine Rosette aufweist, in der der Betätigungsstößel axial verschieblich gelagert ist, wobei der Betätigungsstößel ein Rastelement aufweist, die bei EIN-Betätigung an der Rosette verrasten.The invention relates to a push-pull switch an actuating mechanism that has a handle, one with the handle related actuating plunger Actuation of a switching element and a rosette, in which the actuating plunger is axially displaceable, wherein the actuating plunger has a locking element which at Engage the ON actuation on the rosette.

Ein gattungsgemäßer Druckzugschalter wird seit Jahren auf dem Elektromarkt ausgeliefert. Das hierbei angewandte System arbeitet mit Rastungen, die in axialer Richtung, d.h. in Richtung der Schaltgliederwege zwei oder mehr Verharrungspositionen der Handhabe ermöglichen. Die hier als Rastelemente dienenden Kugeln fahren zwischen der EIN- und der AUS-Position auf demselben Weg hin und her. Die Kugeln schnappen federbelastet von einem Tal in der EIN-Position über einen Berg in ein dahinter liegendes Tal für die AUS-Position und auf demselben Weg zurück. Dabei wird die Haltekraft der Rastung durch die Rückstellkräfte der betätigten Schaltglieder verringert. Daher muß ein hinreichend großer Unterschied zwischen der für das Zurückschnappen tatsächlich erforderlichen Kraft und der Summe der maximal auftretenden Rückstellkräfte der Schaltglieder sichergestellt werden. Für die Mehrzahl der Bestückungen ist die Rücksetzkraft überdimensioniert, wodurch das Material ständig stark beansprucht wird. Folglich wird die Lebensdauer eingeschränkt und der Bedienkomfort durch die äußerst harte Rastung geschmälert.A generic push-pull switch has been on the for years Electronics market delivered. The system used here works with detents in the axial direction, i.e. in the direction of the switching element paths two or more stationary positions enable the handle. Those used here as locking elements Balls move between the ON and OFF positions back and forth in the same way. The balls snap spring-loaded from a valley in the ON position over a mountain in a valley behind it for the AUS position and on the same Way back. The holding force of the detent reduced by the restoring forces of the actuated switching elements. Therefore there must be a sufficiently large difference between the one actually required for snapping back Force and the sum of the maximum restoring forces that occur of the switching elements can be ensured. For the majority of the Populations, the resetting force is oversized, causing the material is under constant stress. Hence the lifespan is limited and the ease of use due to the extremely hard detent reduced.

Daher liegt der Erfindung die Aufgabe zugrunde, einen Druckzugschalter der oben genannten Art für elektromechanische Befehlsgeräte zu schaffen, der vom Kontaktdruck der betätigten Schaltglieder nicht zurückgesetzt werden kann und ein Höchstmaß an Funktionssicherheit und Bedienungskomfort bietet. The invention is therefore based on the object of a push-pull switch of the type mentioned above for electromechanical control devices to create that of the contact pressure of the actuated Switching elements can not be reset and a maximum offers functional reliability and ease of use.

Die Aufgabe wird dadurch gelöst, daß der Betätigungsstößel mit einem Gewinde in der Handhabe in Eingriff steht, wodurch eine Zugbewegung an der Handhabe in eine Drehbewegung des Betätigungsstößels zur Lösung der Verrastung umwandelbar ist. Durch diese erfindungsgemäße Lösung ist es grundsätzlich möglich, für den EIN- und AUS-Schaltvorgang andere Wege für die Rastelemente vorzusehen, um eine sichere, Rücksetzungen vermeidende Verrastung in der EIN-Position zu gewährleisten. Die genannte Lösung bietet außerdem den Vorteil, daß kein zusätzliches Teil zur Drehentriegelung erforderlich ist.The object is achieved in that the actuating plunger is engaged with a thread in the handle, whereby a pulling motion on the handle into a rotary motion of the Actuating plunger is convertible to release the locking. This solution according to the invention makes it possible in principle for the ON and OFF switching process other ways for the Provide locking elements to ensure a safe, avoiding resetting To ensure locking in the ON position. The mentioned solution also has the advantage that no additional Part for turning unlocking is required.

Eine besonders vorteilhafte Ausführungsform besteht, wenn die Rosette eine sich tangential erstreckende und verjüngende Ausnehmung aufweist, in der in EIN-Position als Kugeln ausgeführte Rastelemente aufgenommen sind. Diese Ausführung ermöglicht die Drehentriegelung, bei der der Betätigungsstößel gedreht wird und dadurch die Rastelemente über die Kontur der Ausnehmung sanft gelöst und in ihre Ausgangslage, d.h. die AUS-Position, zurückgefahren werden.A particularly advantageous embodiment is when the Rosette a tangentially extending and tapering Has recess in which in the ON position designed as balls Locking elements are included. This version enables the rotary release, in which the actuating plunger is rotated is and thereby the locking elements on the contour of Recess gently and in their starting position, i.e. the OFF position.

Um eine besonders sichere Verrastung der Kugeln zu erreichen, ist es von Vorteil, wenn die Kugeln in der EIN-Position um mehr als ihren halben Durchmesser in der Ausnehmung aufgenommen sind. Selbst starke Schläge und Vibrationen in Verbindung mit großen Rückstellkräften der betätigten Schaltglieder können bei einer solchen Ausführung nicht zu Rücksetzungen führen.To achieve a particularly secure locking of the balls, it is beneficial if the balls are in the ON position more than half their diameter in the recess are. Even strong blows and vibrations combined with large restoring forces of the actuated switching elements do not lead to resets with such an execution.

Weiterhin ist es vorteilhaft, wenn zwischen der Rosette und dem Betätigungsstößel eine Druckdrehfeder eingespannt ist, da sich mit dieser auf einfache Weise die Lösung der Verrastung unterstützen läßt.It is also advantageous if between the rosette and a compression torsion spring is clamped in the actuating tappet since yourself with this in a simple way the release of the latching can support.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand einer Zeichnung näher erläutert. Es zeigen:

FIG 1
eine Schnittdarstellung eines erfindungsgemäßen Betätigungsmechanismus eines Druck-Zug-Schalters in der AUS-Position,
FIG 2
eine Schnittdarstellung des Betätigungsmechanismus gemäß FIG 1 in der EIN-Position,
FIG 3
eine weitere Schnittdarstellung des Betätigungsmechanismus gemäß FIG 1 in der EIN-Position und
FIG 4
eine Querschnittsansicht des Betätigungsmechanismus im Bereich der Verrastung.
An embodiment of the invention is explained below with reference to a drawing. Show it:
FIG. 1
2 shows a sectional illustration of an actuating mechanism according to the invention of a push-pull switch in the OFF position,
FIG 2
2 shows a sectional illustration of the actuating mechanism according to FIG. 1 in the ON position,
FIG 3
a further sectional view of the actuating mechanism according to FIG 1 in the ON position and
FIG 4
a cross-sectional view of the actuating mechanism in the region of the latching.

Figuren 1, 2 zeigen eine Schnittdarstellung eines erfindungsgemäßen Betätigungsmechanismus 1 eines Druck-Zug-Schalters. In Figur 1 ist der Betätigungsmechanismus 1 in der Ausgangsposition "AUS" dargestellt. Der Betätigungsmechanismus 1 umfaßt eine Handhabe 2, einen mit dieser in Verbindung stehenden Betätigungsstößel 3 zur Betätigung eines Schaltglieds und eine zylindrische Rosette 4. Die Handhabe 2 mit dem Betätigungsstößel 3 ist in der Betätigungsrichtung gemäß Pfeil 5 axial verschieblich gelagert. Der Betätigungsstößel 3 ist mit gefedert gelagerten Kugeln 6 als Rastelementen versehen, die in der AUS-Position gemäß Figur 1 in eine obere Ausnehmung 7 an der Innenwand der Rosette 4 greifen. Die Kugeln 6 liegen an einer Schräge 8 eines Vorsprungs 9 an, dem sich nach unten eine weitere Ausnehmung 10 anschließt. Der Übergang des Vorsprungs 9 in die weitere Ausnehmung 10 ist rechtwinklig zur. Betätigungsrichtung ausgebildet. Die weitere Ausnehmung 10 dient als Rasttal, in dem die Kugeln 6 bei Betätigung der Handhabe 2 verrasten und somit den Betätigungsstößel 3 in der EIN-Position gemäß Figur 2 und 3 halten. Die Ausnehmung 10 erstreckt sich tangential am Innenumfang der Rosette 4 mit einer Verjüngung gemäß Figur 4. Die Handhabe 2 ist mit einem Steilgewinde 11 versehen, mit dem der Betätigungsstößel 3 in Eingriff steht. Eine Druckdrehfeder 12 ist mit ihrem unteren Ende an der Rosette 4 und mit ihrem oberen Ende am Betätigungsstößel 3 abgestützt. Figures 1, 2 show a sectional view of an inventive Actuation mechanism 1 of a push-pull switch. In Figure 1, the actuating mechanism 1 is in the starting position "OFF" shown. The operating mechanism 1 comprises a handle 2, one associated with this Actuating plunger 3 for actuating a switching element and a cylindrical rosette 4. The handle 2 with the actuating plunger 3 is in the direction of actuation according to arrow 5 axially displaceable. The actuating plunger 3 is with spring-loaded balls 6 provided as locking elements, the in the OFF position according to FIG. 1 in an upper recess 7 grasp the inner wall of the rosette 4. The balls 6 lie on a slope 8 of a projection 9, which is down another recess 10 connects. The transition of the lead 9 in the further recess 10 is perpendicular to. Direction of actuation trained. The further recess 10 serves as a rest valley, in which the balls 6 when the Lock handle 2 and thus the actuating plunger 3 in the Hold the ON position as shown in Figures 2 and 3. The recess 10 extends tangentially on the inner circumference of the rosette 4 a taper according to Figure 4. The handle 2 is with a Steep thread 11 provided with which the actuating plunger 3 in Intervention stands. A compression spring 12 is with its lower End on the rosette 4 and with its upper end on the actuating plunger 3 supported.

Im folgenden wird die Wirkungsweise dieses Betätigungsmechanismus erläutert. Bei Betätigung der Handhabe 2 in der AUS-Position werden die Kugeln 6 an der Schräge 8 des Vorsprungs 9 eingedrückt und rasten nach Überwindung des Vorsprungs 9 in der Ausnehmung 10 wie in Figur 2 dargestellt ein. In der EIN-Position gemäß Figur 2 werden aufgrund der Verrastung an dem rechtwinklig ausgebildeten Absatz des Vorsprungs 9 die Kugeln 6 und mit ihnen der Betätigungsstößel 3 sicher in der EIN-Position gehalten. Dies bedeutet, daß der Druckzugschalter vom Kontaktdruck der vom Betätigungsstößel 3 betätigten Schaltglieder nicht zurückgesetzt werden kann. Erst durch Zug an der Handhabe 2 ist die Verrastung lösbar. Dabei wird die Zugbewegung, d.h. die Axialbewegung der Handhabe 2 über das Steilgewinde 11 in eine Drehbewegung des Betätigungsstößels 3 umgesetzt. Die Kugeln 6 werden durch die Außenkontur der sich verjüngenden Ausnehmung 10 gemäß Figur 3 eingedrückt und die Verrastung dadurch aufgehoben. Bei diesem Vorgang der Lösung der Verrastung wirkt die Druckdrehfeder 12 unterstützend.The following is the operation of this actuation mechanism explained. When operating handle 2 in the OFF position the balls 6 on the slope 8 of the projection 9 pressed in and snap into place after overcoming the projection 9 the recess 10 as shown in Figure 2. In the ON position 2 are due to the locking on the right-angled shoulder of the projection 9 the balls 6 and with them the actuating plunger 3 securely in the ON position held. This means that the push-pull switch from Contact pressure of the switching elements actuated by the actuating plunger 3 cannot be reset. First by train the handle 2 is releasable. The train movement, i.e. the axial movement of the handle 2 over the Steep thread 11 in a rotary movement of the actuating plunger 3 implemented. The balls 6 are due to the outer contour of the tapered recess 10 according to Figure 3 and the This removes locking. In this process of solving the latching acts as a compression spring 12.

Bei der oben beschriebenen erfindungsgemäßen Lösung werden die Kugeln 6 als rastende Elemente auf einem anderen Weg von EIN nach AUS als von AUS nach EIN derartig zurückgeführt, daß nur die bewußte Handlung am Bedienteil dies ermöglicht. Mit der EIN-Betätigung wird eine irreversible Rastung in axialer Richtung vollzogen, da die Kugeln 6 hinter dem Vorsprung 9 rechtwinklig zur Betätigungsrichtung gemäß Pfeil 5 um mehr als ihren halben Durchmesser in die Ausnehmung 10 schnappen, aus der sie nur in tangentialer Richtung wieder gelöst werden können. Mit den in axialer Richtung wirkenden Rückstellkräften der am Betätigungsstößel 3 angreifenden Schaltglieder ist dies nicht möglich, womit eine extreme Sicherheit gegen Fehlrücksetzung durch Schlag, Vibration etc. gegeben ist.In the inventive solution described above the balls 6 as locking elements on a different path from ON to OFF as returned from OFF to ON such that only conscious action on the control unit makes this possible. With the ON actuation becomes an irreversible detent in the axial Direction completed, since the balls 6 behind the projection 9 perpendicular to the direction of actuation according to arrow 5 by more snap into the recess 10 as their half diameter, from which they can only be released in the tangential direction can. With the restoring forces acting in the axial direction of the switching elements acting on the actuating plunger 3 this is not possible, with extreme security against incorrect reset by shock, vibration, etc.

Claims (4)

  1. Push-pull switch with an actuating mechanism (1), which has a handle (2), an actuating tappet (3) connected to the handle (2) to actuate a switching element, and a bezel (4) in which the actuating tappet (3) is mounted such that it can be displaced axially, the actuating tappet (3) having latching elements (6) which latch on the bezel (4) during ON actuation, characterised in that the actuating tappet (3) is engaged with a thread (11) in the handle (2), as a result of which a pulling movement on the handle (2) can be converted into a rotational movement of the actuating tappet (3) in order to release the latch.
  2. Push-pull switch according to Claim 1, characterised in that the bezel (4) has a recess (10) which extends tangentially and tapers, and in which latching elements embodied as balls (6) are accommodated in the ON position.
  3. Push-pull switch according to Claim 2, characterised in that in the ON position, the balls (6) are accommodated by more than half their diameter in the recess (10).
  4. Push-pull switch according to one of the preceding claims, characterised in that a pressure torsion spring (12) is clamped in between the bezel (4) and the actuating tappet (3).
EP00907427A 1999-01-26 2000-01-13 Push-pull switch Expired - Lifetime EP1151449B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19903031 1999-01-26
DE19903031 1999-01-26
PCT/DE2000/000120 WO2000045402A1 (en) 1999-01-26 2000-01-13 Push-pull switch

Publications (2)

Publication Number Publication Date
EP1151449A1 EP1151449A1 (en) 2001-11-07
EP1151449B1 true EP1151449B1 (en) 2002-09-18

Family

ID=7895433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00907427A Expired - Lifetime EP1151449B1 (en) 1999-01-26 2000-01-13 Push-pull switch

Country Status (4)

Country Link
US (1) US6483062B1 (en)
EP (1) EP1151449B1 (en)
DE (1) DE50000525D1 (en)
WO (1) WO2000045402A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111033663A (en) * 2017-12-28 2020-04-17 欧姆龙株式会社 Push-button switch

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268577B1 (en) * 1999-12-16 2001-07-31 Siemens Energy & Automation, Inc. Push-pull switch operator
DE10253597B4 (en) * 2002-11-15 2005-01-20 Ellenberger & Poensgen Gmbh Sealed circuit breaker with push-pull operation
US7309840B1 (en) * 2005-07-23 2007-12-18 Emily Lo Emergency stopping safety device of paper shredder
CN201000832Y (en) * 2006-12-27 2008-01-02 世庆实业股份有限公司 Emergency stop switch for paper crusher
ATE529873T1 (en) * 2008-04-18 2011-11-15 Abb Ab ACTUATING DEVICE AND AN ELECTRICAL SWITCHING DEVICE EQUIPPED THEREFROM
JP6013970B2 (en) * 2013-05-21 2016-10-25 株式会社東海理化電機製作所 Shift operating device

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Publication number Priority date Publication date Assignee Title
US2836686A (en) * 1956-07-30 1958-05-27 Chicago Telephone Supply Corp Push-pull switch and variable resistor combination
GB1225496A (en) * 1967-06-22 1971-03-17
DE2853880C2 (en) * 1978-12-13 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Push button
JPH0512892Y2 (en) * 1987-08-06 1993-04-05
DE4036671C2 (en) 1990-11-17 1995-04-20 Eaton Controls Gmbh Motor vehicle light switch
US5345050A (en) * 1993-06-01 1994-09-06 Caterpillar Inc. Switch actuating assembly
DE19544702A1 (en) 1995-11-30 1997-06-05 Marquardt Gmbh Electrical switch
DE29615428U1 (en) 1996-09-05 1997-01-02 HBC-electronic Funktechnik GmbH, 74564 Crailsheim Emergency switch
US6153841A (en) * 1999-10-21 2000-11-28 Eaton Corporation Control apparatus
US6268577B1 (en) * 1999-12-16 2001-07-31 Siemens Energy & Automation, Inc. Push-pull switch operator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111033663A (en) * 2017-12-28 2020-04-17 欧姆龙株式会社 Push-button switch
CN111033663B (en) * 2017-12-28 2021-11-16 欧姆龙株式会社 Push-button switch

Also Published As

Publication number Publication date
EP1151449A1 (en) 2001-11-07
DE50000525D1 (en) 2002-10-24
WO2000045402A1 (en) 2000-08-03
US6483062B1 (en) 2002-11-19

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