EP0939964A1 - Switch - Google Patents

Switch

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Publication number
EP0939964A1
EP0939964A1 EP98943757A EP98943757A EP0939964A1 EP 0939964 A1 EP0939964 A1 EP 0939964A1 EP 98943757 A EP98943757 A EP 98943757A EP 98943757 A EP98943757 A EP 98943757A EP 0939964 A1 EP0939964 A1 EP 0939964A1
Authority
EP
European Patent Office
Prior art keywords
contact lever
section
opening
bearing
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98943757A
Other languages
German (de)
French (fr)
Other versions
EP0939964B1 (en
Inventor
Claus-Peter Schulze
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.)
AEG Niederspannungstechnik GmbH and Co KG
Original Assignee
AEG Niederspannungstechnik GmbH and Co KG
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 AEG Niederspannungstechnik GmbH and Co KG filed Critical AEG Niederspannungstechnik GmbH and Co KG
Publication of EP0939964A1 publication Critical patent/EP0939964A1/en
Application granted granted Critical
Publication of EP0939964B1 publication Critical patent/EP0939964B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • 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
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle

Definitions

  • the invention relates to a switch according to the type specified in the concept of claim 1.
  • Conventional switches have a contact lever which is biased by means of a pressure element.
  • the pressure element is in the form of a connecting rod and has at one end a fork encompassing the contact lever, on the legs of which an axis received in a bore of the contact lever is fastened.
  • the axis is supported in a bearing ring which is fastened approximately centrally in the joint receiving bore.
  • the section of the contact lever in the region of the joint receiving bore is box-shaped, so that the bearing ring is inserted on one side into a box-shaped receiving section formed in the contact lever and provided with a first bore, and is then fixed in the receiving portion with a cover with a second bore in such a way that that the bearing ring is aligned with the first and second holes.
  • a two-part, complicated to manufacture bearing housing is therefore required for the assembly of the bearing ring serving as a spherical bearing.
  • the object of the invention is to provide a switch in which the joint bearing supporting the pressure element in the contact lever can be mounted in the contact lever in a simple and reliable manner.
  • the joint receiving bore is designed as a key-shaped, elongated hole extending in the pressure direction of the pressure element with round end sections of different diameters, the End portion of the joint receiving bore having a smaller diameter has a groove formed on the circumference of the bore, into which a bearing ring which was previously inserted laterally into the end portion with the larger diameter can be fitted by a movement toward the first portion.
  • Figures la, lb a side view of the switch in the open (Fig. La) and closed (Fig. Lb) state;
  • FIG. 2 shows a perspective view of the switch from the direction shown by the arrow A in FIG. 1 a, in which view the joint receiving bore is exposed by omitting the contact lever section above a cutting line running through the joint receiving bore.
  • Figures 3a, 3b perspective views of the pressure element shown in Fig. La with the associated
  • Figures 4a, 4b and 4c perspective views of the contact lever shown in Figures la to 3b, which illustrate the individual assembly phases of the spherical plain bearing.
  • 5a sectional view of the contact lever transversely to the bore axes of the joint receiving section; and 5b shows a sectional view through the contact lever along the bore axes of the joint receiving section.
  • a switch is equipped with a contact lever 1 which can be moved essentially parallel to the plane of the drawing in order to bring the Kobntelele ente la into contact with one another.
  • the movement of the contact lever 1 is controlled by a linkage 10, the main component of which is a pressure element 2.
  • the pressure element 2 with its individual components is shown in FIGS. 1a-3b.
  • the pressure element 2 is designed as a connecting rod and essentially consists of a fork 3 and a rod-shaped element 7 extending therefrom. Between the leg ends of the fork there is a screw connection a hinge axis 4 attached. The axis 4 in turn extends through a penetrating the contact lever 1
  • Articulation mounting hole 6 In the middle of the articulation mounting hole 6, an articulated bearing 5 designed as a bearing ring is received, on which the axis 4 is supported.
  • the rod-shaped element 7 is movably received in a bore of a tiltable support element 8.
  • the tiltable support element 8 is rotatably supported on both sides in two support plates 11 extending parallel to the contact lever 1, only one of which is shown in FIG. 1.
  • a helical spring 2 which surrounds the rod-shaped element 7 and which prestresses the fork 3 of the pressure element 2 against the joint receiving bore 6.
  • the joint receiving bore 6 is a two bore end sections with different diameters Elongated hole trained.
  • the joint receiving bore 6 extends substantially perpendicular to the contact lever and at the same time in the direction of extension of the pressure element 2 such that the two end sections 6a, 6b of the joint receiving bore are formed one behind the other in the biasing direction of the spring 9 so that the coil spring 9 the fork 3 against the end section 6b preloads the joint receiving hole with the smaller diameter.
  • the joint receiving bore 6 is designed as an elongated hole and has a first bore section 6a and a second bore section 6b, one after the other in the biasing direction of the spring 9 or in the direction of extension of the pressure element 2 are manufactured in such a way that the second section 6b lying behind the first section 6a in the pressure direction of the spring 2 has a diameter which is smaller than the diameter of the first section 6a.
  • a groove 6c is formed approximately in the middle of this second section, as is shown in detail in FIG. 5b. As shown in FIG. 5a, the groove 6c extends on the circumferential side of the second end section 6b at a depth which corresponds approximately to the diameter of the first section 6a of the joint receiving bore 6.
  • the articulated bearing 5 serving to support the joint axis 4 is designed as a bearing ring, on the outer U circumferential surface of which an annular projection 5a is formed.
  • This projection is dimensioned such that it can serve as a spring element for a tongue and groove connection to be produced with the groove 6c.
  • the width of the projection 5a to be measured in the axial direction of the bearing ring is only slightly smaller than the width of the groove 6c formed in the second section 6b of the joint receiving bore 6.
  • the bearing ring 5 is first pushed laterally into the first section 6a of the joint receiving bore 6 until the projection 5a axially reaches such a position in the first end section 6a in which the projection 5a with the is laterally aligned with this extending groove 6c.
  • the bearing ring 5 is then displaced from the position shown in FIG. 4b towards the second section 6b of the joint receiving bore 6 until the projection 5a engages in the groove 6c and is thus fixed in the second section 6b of the joint receiving bore 6.
  • the invention is not limited to the exemplary embodiment shown above.
  • the groove 6c can also be designed as a T-groove.
  • the groove depth should in any case be sufficient to ensure a stable fixation of the bead-like projection 5a of the bearing ring 5 in the joint receiving opening 6.
  • the joint receiving opening 6 designed as an elongated hole can also have a different shape than the round shape in the exemplary embodiment described above. Even the groove does not necessarily have to be formed as a continuous depression in the bore circumferential surface of the second section 6a.
  • the support bearing 5 is pushed into a first receiving section of the contact lever in a first direction and then can be fitted into a second receiving section of the contact lever in a second direction by the tensioning action of the pressure element in such a way that it this second receiving section remains fixed.

Landscapes

  • Switches With Compound Operations (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Lock And Its Accessories (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Saccharide Compounds (AREA)
  • Glass Compositions (AREA)

Abstract

PCT No. PCT/EP98/04561 Sec. 371 Date Jul. 27, 1999 Sec. 102(e) Date Jul. 27, 1999 PCT Filed Jul. 21, 1998 PCT Pub. No. WO99/16094 PCT Pub. Date Apr. 1, 1999A switch having a contact lever and a compression member connected so as to bias the contact lever into a contact position. The contact lever includes a joint-receiving opening disposed therein. A bearing is insertable into the joint-receiving opening of the contact lever and supports a pivot which forms a connection between the compression member and the contact lever. The joint-receiving opening includes two portions configured one behind the other in the direction of compression of the compression member. The bearing is insertable into the first opening portion in a direction different from the direction of compression and then movable in the direction of compression to produce an interlock connection with the second opening portion of the opening.

Description

SCHALTERSWITCH
Beschreibungdescription
Die Erfindung bezieht sich auf einen Schalter gemäß der im Begriff des Patentanspruchs 1 angegebenen Gattung.The invention relates to a switch according to the type specified in the concept of claim 1.
Herkömmliche Schalter haben einen Kontakthebel, der mittels eines Druckelements vorgespannt ist. Das Druckelement ist pleuelstangenartig ausgebildet und hat an dem einen Ende eine den Kontakthebel umgreifende Gabel, an deren Schenkeln eine, in einer Bohrung des Kontakthebels aufgenommene Achse befestigt ist. Die Achse ist in einem in der Gelenkaufnahmebohrung etwa mittig befestigten Lagerring abgestutzt. Zu diesem Zweck ist die der Abschnitt des Kontakthebels im Bereich der Gelenkaufnahmebohrung kastenförmig ausgebildet, so daß der Lagerring einseitig in einen im Kontakthebel ausgebildeten, mit einer ersten Bohrung versehenen kastenförmigen Aufnahmeabschnitt eingesetzt und sodann im Aufbnahmeabschnitt mit einem Deckel mit einer zweiten Bohrung derart fixiert wird, daß der Lagerring mit der ersten und zweiten Bohrung fluchtet. Für die Montage des als Gelenklager dienenden Lagerrings ist somit ein zweiteiliges, kompliziert anzufertigendes Lagergehause erforderlich.Conventional switches have a contact lever which is biased by means of a pressure element. The pressure element is in the form of a connecting rod and has at one end a fork encompassing the contact lever, on the legs of which an axis received in a bore of the contact lever is fastened. The axis is supported in a bearing ring which is fastened approximately centrally in the joint receiving bore. For this purpose, the section of the contact lever in the region of the joint receiving bore is box-shaped, so that the bearing ring is inserted on one side into a box-shaped receiving section formed in the contact lever and provided with a first bore, and is then fixed in the receiving portion with a cover with a second bore in such a way that that the bearing ring is aligned with the first and second holes. A two-part, complicated to manufacture bearing housing is therefore required for the assembly of the bearing ring serving as a spherical bearing.
Aufgabe der Erfindung ist es, einen Schalter zu schaffen, bei dem der das Druckelement im Kontakthebel abstutzende Gelenklager in einfacher und zuverlässiger Weise in den Kontakthebel montierbar ist.The object of the invention is to provide a switch in which the joint bearing supporting the pressure element in the contact lever can be mounted in the contact lever in a simple and reliable manner.
Diese Aufgabe wird durch die im Patentanspruch 1 angegebene Merkmaiskombination gelost. Die Losung dieser Aufgabe wird insbesondere dadurch erreicht, daß die Gelenkaufnahmebohrung als ein schlusselformiges, sich in Druckrichtung des Druckelements erstreckendes Langloch mit runden Endabschnitten unterschiedlicher Durchmesser ausgebildet ist, wobei der den kleineren Durchmesser aufweisende Endabschnitt der Gelenkaufnahmebohrung eine bohrungsumfangsseitig ausgebildete Nut aufweist, in welche ein zuvor in den Endabschnitt mit dem größeren Durchmesser seitlich des Kontakthebels eingeschobener Lagerring durch eine Bewegung zum ersten Abschnitt hin eingepaßt werden kann.This object is achieved by the combination of features specified in claim 1. The solution to this problem is achieved in particular in that the joint receiving bore is designed as a key-shaped, elongated hole extending in the pressure direction of the pressure element with round end sections of different diameters, the End portion of the joint receiving bore having a smaller diameter has a groove formed on the circumference of the bore, into which a bearing ring which was previously inserted laterally into the end portion with the larger diameter can be fitted by a movement toward the first portion.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen definiert.Advantageous developments of the invention are defined in the subclaims.
Die Erfindung wird im folgenden anhand eines Ausführungsbeispiels unter Bezugnahme auf Zeichnungen näher erläutert .The invention is explained below using an exemplary embodiment with reference to drawings.
Es zeigen:Show it:
Figuren la, lb: eine Seitenansicht des Schalters im offenen (Fig. la) und geschlossenen (Fig. lb) Zustand;Figures la, lb: a side view of the switch in the open (Fig. La) and closed (Fig. Lb) state;
Fig. 2: eine perspektivische Ansicht des Schalters von der mit dem Pfeil A in Fig. la gezeigten Richtung, in welcher Ansicht die Gelenkaufnahmebohrung durch Weglassen des Kontakthebelabschnitts oberhalb einer durch die Gelenkaufnahmebohrung verlaufende Schnittlinie freigelegt ist.2 shows a perspective view of the switch from the direction shown by the arrow A in FIG. 1 a, in which view the joint receiving bore is exposed by omitting the contact lever section above a cutting line running through the joint receiving bore.
Figuren 3a, 3b: perspektivische Ansichten des in Fig. la gezeigten Druckelements mit dem zugehörigenFigures 3a, 3b: perspective views of the pressure element shown in Fig. La with the associated
Kontakthebelabschnitt, in dem sich die Gelenkaufnahmebohrung befindet, in welcher Ansicht die Position der Gabel am Kontakthebel und die Position des die Gelenkachse aufnehmenden Gelenklagers gezeigt sind;Contact lever section in which the joint receiving bore is located, in which view the position of the fork on the contact lever and the position of the joint bearing receiving the joint axis are shown;
Figuren 4a, 4b und 4c: perspektivische Ansichten des in den Figuren la bis 3b gezeigten Kontakthebels, die die einzelnen Montagephasen des Gelenklagers verdeutlichen.Figures 4a, 4b and 4c: perspective views of the contact lever shown in Figures la to 3b, which illustrate the individual assembly phases of the spherical plain bearing.
Fig. 5a: Schnittansicht des Kontakthebels quer zu den Bohrungsachsen des Gelenkaufnahmeabschnitts; und Fig. 5b: eine Schnittansicht durch den Kontakthebel entlang der Bohrungsachsen des Gelenkaufnahmeabschnitts.5a: sectional view of the contact lever transversely to the bore axes of the joint receiving section; and 5b shows a sectional view through the contact lever along the bore axes of the joint receiving section.
Wie die Fig. 1 zeigt, ist ein Schalter mit einem Kontakthebel 1 ausgestattet, der im wesentlichen parallel zur Zeichnungsebene verschiebbar ist, um die Kobntaktele ente la miteinander in Berührung zu bringen. Die Bewegung des Kontakthebels 1 wird durch ein Gestänge 10 gesteuert, dessen Hauptbestandteil ein Druckelement 2 darstellt.As shown in FIG. 1, a switch is equipped with a contact lever 1 which can be moved essentially parallel to the plane of the drawing in order to bring the Kobntelele ente la into contact with one another. The movement of the contact lever 1 is controlled by a linkage 10, the main component of which is a pressure element 2.
Das Druckelement 2 ist mit seinen einzelnen Bestandteilen in den Figuren la - 3b gezeigt.The pressure element 2 with its individual components is shown in FIGS. 1a-3b.
Wie der Darstellung in Fig. 1 und Fig. la im einzelnen zu entnehmen ist, ist das Druckelement 2 pleuelartig ausgebildet und besteht im wesentlichen aus einer Gabel 3 und einem sich von dieser erstreckenden stabförmigen Element 7. Zwischen den Schenkelenden der Gabel ist mittels einer Schraubverbindung eine Gelenkachse 4 befestigt. Die Achse 4 erstreckt sich ihrerseits durch eine den Kontakthebel 1 durchsetzendeAs can be seen in detail from the illustration in FIGS. 1 and la, the pressure element 2 is designed as a connecting rod and essentially consists of a fork 3 and a rod-shaped element 7 extending therefrom. Between the leg ends of the fork there is a screw connection a hinge axis 4 attached. The axis 4 in turn extends through a penetrating the contact lever 1
Gelenkaufnahmebohrung 6. Inmitten der Gelenkaufnahmebohrung 6 ist ein als Lagerring ausgebildetes Gelenklager 5 aufgenommen, an dem die Achse 4 gestützt ist.Articulation mounting hole 6. In the middle of the articulation mounting hole 6, an articulated bearing 5 designed as a bearing ring is received, on which the axis 4 is supported.
An seinem von der Gabel 3 abgewandten Ende ist das stabförmige Element 7 in einer Bohrung eines kippbaren Stützelements 8 beweglich aufgenommen. Das kippbare Stützelement 8 ist beidseitig in zwei sich parallel zum Kontakthebel 1 erstreckenden Stützplatten 11, von denen nur die eine in Fig. 1 gezeigt ist, drehbar gelagert. Zwischen der dem Kontakthebel 1 zugewandten Seite des Stützelements 8 und dem Grundabschnitt der Gabel 3 ist eine das stabförmige Element 7 umgreifende Schraubenfeder 2 angeordnet, welche die Gabel 3 des Druckelements 2 gegen die Gelenkaufnahmebohrung 6 vorspannt.At its end facing away from the fork 3, the rod-shaped element 7 is movably received in a bore of a tiltable support element 8. The tiltable support element 8 is rotatably supported on both sides in two support plates 11 extending parallel to the contact lever 1, only one of which is shown in FIG. 1. Between the side of the support element 8 facing the contact lever 1 and the base section of the fork 3 there is a helical spring 2 which surrounds the rod-shaped element 7 and which prestresses the fork 3 of the pressure element 2 against the joint receiving bore 6.
Die Gelenkaufnahmebohrung 6 ist als ein zwei Bohrungsendabschnitte unterschiedlicher Durchmesser aufweisendes Langloch ausgbildet. Dabei erstreckt sich die Gelenkaufnahmebohrung 6 im wesentlichen senkrecht zum Kontakthebel und zugleich in Erstreckungsrichtung des Druckelements 2 derart, daß die zwei Endabschnitte 6a, 6b der Gelenkaufnahmebohrung in Vorspannrichtung der Feder 9 so hintereinander ausgebildet sind, daß die Schraubenfeder 9 die Gabel 3 gegen den Endabschnitt 6b der Gelenkaufnahmebohrung mit dem kleineren Durchmesser vorspannt.The joint receiving bore 6 is a two bore end sections with different diameters Elongated hole trained. The joint receiving bore 6 extends substantially perpendicular to the contact lever and at the same time in the direction of extension of the pressure element 2 such that the two end sections 6a, 6b of the joint receiving bore are formed one behind the other in the biasing direction of the spring 9 so that the coil spring 9 the fork 3 against the end section 6b preloads the joint receiving hole with the smaller diameter.
Wie bereits oben dargelegt und im einzelnen in der Fig. 4a gezeigt, ist die Gelenkaufnahmebohrung 6 als als Langloch ausgebildet und hat einen ersten Bohrungsabschnitt 6a und einen zweiten Bohrungsabschnitt 6b, die in Vorspannrichtung der Feder 9, bzw. in Erstreckungsrichtung des Druckelements 2, hintereinander so gefertigt sind, daß der in Druckrichtung der Feder 2 hinter dem ersten Abschnitt 6a liegende zweite Abschnitt 6b einen Durchmesser hat, der kleiner als der Durchmesser des ersten Abschnitts 6a ist. In diesem zweiten Abschnitt ist etwa mittig eine Nut 6c ausgebildet, wie das im einzelnen in der Fig. 5b gezeigt ist. Wie die Darstellung der Fig. 5a zeigt erstreckt sich die Nut 6c erstreckt umfangsseitig des zweiten Endabschnitts 6b in einer solchen Tiefe, die in etwa dem Durchmesser des ersten Abschnitts 6a der Gelenkaufnahmebohrung 6 entspricht .As already explained above and shown in detail in FIG. 4a, the joint receiving bore 6 is designed as an elongated hole and has a first bore section 6a and a second bore section 6b, one after the other in the biasing direction of the spring 9 or in the direction of extension of the pressure element 2 are manufactured in such a way that the second section 6b lying behind the first section 6a in the pressure direction of the spring 2 has a diameter which is smaller than the diameter of the first section 6a. A groove 6c is formed approximately in the middle of this second section, as is shown in detail in FIG. 5b. As shown in FIG. 5a, the groove 6c extends on the circumferential side of the second end section 6b at a depth which corresponds approximately to the diameter of the first section 6a of the joint receiving bore 6.
Das zur Abstützung der Gelenkachse 4 dienende Gelenklager 5 ist als ein Lagerring ausgebildet, an dessen äußeren U fangsflache ein ringförmiger Vorsprung 5a ausgebildet ist. Dieser Vorsprung ist so bemessen, daß er als Federelement für eine mit der Nut 6c herzustellen Feder-Nut-Verbindung dienen kann. Zu diesem Zweck ist die in Achsrichtung des Lagerrings zu messende Breite des Vorsprungs 5a nur geringfügig kleiner als die Breite der im zweiten Abschnitt 6b der Gelenkaufnahmebohrung 6 ausgebildeten Nut 6c. Wie die Darstellung der Figuren 4a, 4b und 4c im einzelnen zeigt, wird der Lagerring 5 zunächst seitlich in den ersten Abschnitt 6a der Gelenkaufnahmebohrung 6 soweit eingeschoben, bis der Vorsprung 5a axial in eine solche Lage des ersten Endabschnitts 6a gelangt, in der der Vorsprung 5a mit der sich seitlich zu diesem erstreckenden Nut 6c fluchtend ausgerichtet ist. Sodann wird der Lagerring 5 von der in Fig. 4b gezeigten Position in Richtung zum zweiten Abschnitt 6b der Gelenkaufnahmebohrung 6 hin soweit verschoben, bis der Vorsprung 5a in die Nut 6c einrastet und somit im zweiten Abschnitt 6b der Gelenkaufnahmebohrung 6 fixiert wird.The articulated bearing 5 serving to support the joint axis 4 is designed as a bearing ring, on the outer U circumferential surface of which an annular projection 5a is formed. This projection is dimensioned such that it can serve as a spring element for a tongue and groove connection to be produced with the groove 6c. For this purpose, the width of the projection 5a to be measured in the axial direction of the bearing ring is only slightly smaller than the width of the groove 6c formed in the second section 6b of the joint receiving bore 6. As the illustration in FIGS. 4a, 4b and 4c shows in detail, the bearing ring 5 is first pushed laterally into the first section 6a of the joint receiving bore 6 until the projection 5a axially reaches such a position in the first end section 6a in which the projection 5a with the is laterally aligned with this extending groove 6c. The bearing ring 5 is then displaced from the position shown in FIG. 4b towards the second section 6b of the joint receiving bore 6 until the projection 5a engages in the groove 6c and is thus fixed in the second section 6b of the joint receiving bore 6.
Weil das Druckelement 2, welches mittels der Gabel 3 und der daran befestigten Achse 4 am Lagerring abgestützt und in Druckrichtung der Feder 9 gegen den Kontakthebel 1 vorgespannt ist, besteht keine Gefahr, daß der Lagerring 5 wieder aus dem ersten Abschnitt 6a der Gelenkaufnahmebohrung herausfällt. Da die Feder 9 im Betrieb grundsätzlich unter Vorspannung steht, entfällt somit die Notwendigkeit einer Fixierung des Lagerrings 5 in negativer Kraftrichtung der Feder.Because the pressure element 2, which is supported on the bearing ring by means of the fork 3 and the shaft 4 attached to it and is biased in the pressure direction of the spring 9 against the contact lever 1, there is no danger that the bearing ring 5 will fall out of the first section 6a of the joint receiving bore. Since the spring 9 is in principle pretensioned during operation, there is no need to fix the bearing ring 5 in the negative direction of force of the spring.
Die Erfindung ist auf das oben dargestellte Ausführungsbeispiel nicht beschränkt.The invention is not limited to the exemplary embodiment shown above.
So zum Beispiel kann die Nut 6c auch als eine T-Nut ausgebildet werden. Die Nuttiefe soll dabei in jedem Fall ausreichend sein, um eine stabile Fixierung des wulstartigen Vorsprungs 5a des Lagerrings 5 in der Gelenkaufnahmeoffnung 6 zu gewährleisten.For example, the groove 6c can also be designed as a T-groove. The groove depth should in any case be sufficient to ensure a stable fixation of the bead-like projection 5a of the bearing ring 5 in the joint receiving opening 6.
Auch kann die als Langloch ausgebildete Gelenkaufnahmeoffnung 6 eine andere Form als die im oben beschriebenen Ausführungsbeispiel runde Form aufweisen. Selbst die Nut muß nicht unbedingt als durchgehende Vertiefung in der Bohrungsumfangsfläche des zweiten Abschnitts 6a ausgebildet werden.The joint receiving opening 6 designed as an elongated hole can also have a different shape than the round shape in the exemplary embodiment described above. Even the groove does not necessarily have to be formed as a continuous depression in the bore circumferential surface of the second section 6a.
Es kommt bei der erfindungsgemäßen Konstruktion lediglich darauf an, daß der Stützlager 5 in einen ersten Aufnahmeabschnitt des Kontakthebels in eine erste Richtung eingeschoben und anschließend durch die Spannwirkung des Druckelements derart in einen zweiten Aufnahmeabschnitt des Kontakthebels in eine zweite Richtung eingepaßt werden kann, daß er in diesem zweiten Aufnahmeabschnitt fixiert bleibt. It is only important in the construction according to the invention that the support bearing 5 is pushed into a first receiving section of the contact lever in a first direction and then can be fitted into a second receiving section of the contact lever in a second direction by the tensioning action of the pressure element in such a way that it this second receiving section remains fixed.

Claims

Pa ten tansprüche Claims
1 . Schalter mit einem Kontakthebel (1) und einem mit einer Gelenkachse (4) versehenen Druckelement (2), das mittels eines in einer Gelenkaufnahmeoffnung (6) des Kontakthebels (1) angeordneten und die Gelenkachse abstützenden Lagers (5) eine Gelenkverbindung mit dem Kontakthebel (1) bildet, um den Kontakthebel (1) in Kontaktstellung vorzuspannen, dadurch gekennzeichnet, daß die Gelenkaufnahmeoffnung (6) zwei in Spannrichtung des Druckelements (2) hintereinander derart ausgebildete Öffnungsabschnitte (6a, 6b) aufweist, daß das Lager (5) in den ersten Öffnungsabschnitt (6a) in eine von der Spannrichtung unterschiedliche Richtung steckbar und anschließend in Spannrichtung zur Herstellung einer Formschlußverbindung mit dem zweiten Öffnungsabschnitt (6b) bewegbar ist.1 . Switch with a contact lever (1) and a pressure element (2) provided with an articulated axis (4) which, by means of a bearing (5) arranged in an articulated receiving opening (6) of the contact lever (1) and supporting the articulated axis, provides an articulated connection with the contact lever ( 1) forms in order to pretension the contact lever (1) in the contact position, characterized in that the joint receiving opening (6) has two opening sections (6a, 6b) formed one behind the other in the tensioning direction of the pressure element (2) such that the bearing (5) in the the first opening section (6a) can be plugged in a direction different from the tensioning direction and then moved in the tensioning direction to produce a positive connection with the second opening section (6b).
2 . Schalter nach Anspruch 1, dadurch gekennzeichnet, daß die zwei Öffnungsabschnitte (6a, 6c) durch Bohrungen unterschiedlichen Durchmessers als Endabschnitte gebildet sind, wobei der in Spannrichtung weiter liegende zweite Endabschnitt (6b) einen kleineren Durchmesser als der Durchmesser des ersten Endabschnitts (6a) aufweist und mit einer kreisbogenförmig ausgebildeten und in die Bohrung des ersten Endabschnitts stufenlos übergehenden Nut (6c) versehen ist.2nd Switch according to Claim 1, characterized in that the two opening sections (6a, 6c) are formed by bores of different diameters as end sections, the second end section (6b) lying further in the tensioning direction having a smaller diameter than the diameter of the first end section (6a) and is provided with a circularly shaped groove (6c) which merges continuously into the bore of the first end section.
3. Schalthebel nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Nut (6c) eine T-förmige Nut ist. 3. Shift lever according to claim 1 or 2, characterized in that the groove (6c) is a T-shaped groove.
4. Schalthebel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Druckelement mittels einer den Kontakthebel (1) umgreifenden Gabel (3) an der Achse (4) befestigt ist. 4. Shift lever according to one of claims 1 to 3, characterized in that the pressure element is fastened to the axle (4) by means of a fork (3) engaging around the contact lever (1).
EP98943757A 1997-09-23 1998-07-21 Switch Expired - Lifetime EP0939964B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19741926A DE19741926C1 (en) 1997-09-23 1997-09-23 counter
DE19741926 1997-09-23
PCT/EP1998/004561 WO1999016094A1 (en) 1997-09-23 1998-07-21 Switch

Publications (2)

Publication Number Publication Date
EP0939964A1 true EP0939964A1 (en) 1999-09-08
EP0939964B1 EP0939964B1 (en) 2006-01-25

Family

ID=7843328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98943757A Expired - Lifetime EP0939964B1 (en) 1997-09-23 1998-07-21 Switch

Country Status (12)

Country Link
US (1) US6064017A (en)
EP (1) EP0939964B1 (en)
KR (1) KR100514506B1 (en)
CN (1) CN1160750C (en)
AT (1) ATE316689T1 (en)
CZ (1) CZ297374B6 (en)
DE (2) DE19741926C1 (en)
EA (1) EA000707B1 (en)
HK (1) HK1024558A1 (en)
PL (1) PL191721B1 (en)
SK (1) SK62099A3 (en)
WO (1) WO1999016094A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19741927C1 (en) * 1997-09-23 1999-05-06 Aeg Niederspannungstech Gmbh counter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361737A1 (en) * 1976-08-09 1978-03-10 Unelec CIRCUIT BREAKER WITH LOCKING DEVICE FOR THE CONTROL HANDLE IN THE EVENT OF WELDING OF THE CONTACTS
YU44216B (en) * 1983-01-04 1990-04-30 Inst Rade Koncar Driving mechanism for electric switches
DE3443147A1 (en) * 1984-11-27 1986-05-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt CONTACT ARRANGEMENT FOR A SWITCHGEAR
US4944083A (en) * 1985-01-24 1990-07-31 Robertshaw Controls Company Electrical switch construction method
US5137196A (en) * 1989-06-23 1992-08-11 Deere & Company Manner of rotatably mounting a bale wrapping material spreader roll to support walls

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9916094A1 *

Also Published As

Publication number Publication date
PL333432A1 (en) 1999-12-06
DE59813361D1 (en) 2006-04-13
WO1999016094A1 (en) 1999-04-01
CZ178199A3 (en) 1999-10-13
DE19741926C1 (en) 1999-07-29
CN1241287A (en) 2000-01-12
EA199900493A1 (en) 1999-12-29
SK62099A3 (en) 2000-08-14
EA000707B1 (en) 2000-02-28
CN1160750C (en) 2004-08-04
KR100514506B1 (en) 2005-09-15
ATE316689T1 (en) 2006-02-15
EP0939964B1 (en) 2006-01-25
PL191721B1 (en) 2006-06-30
KR20000069046A (en) 2000-11-25
US6064017A (en) 2000-05-16
HK1024558A1 (en) 2000-10-13
CZ297374B6 (en) 2006-11-15

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