DE488194C - Rotary switch with spring-loaded contact pins - Google Patents
Rotary switch with spring-loaded contact pinsInfo
- Publication number
- DE488194C DE488194C DEA47578D DEA0047578D DE488194C DE 488194 C DE488194 C DE 488194C DE A47578 D DEA47578 D DE A47578D DE A0047578 D DEA0047578 D DE A0047578D DE 488194 C DE488194 C DE 488194C
- Authority
- DE
- Germany
- Prior art keywords
- contact pins
- contact
- rotary switch
- spring
- loaded contact
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Landscapes
- Manufacture Of Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Description
Drehschalter mit federnden Kontaktstiften Die Erfindung bezieht sich@auf Drehschalter mit federnden Kontaktstiften und segmentartigen Kontaktbahnen und besteht darin, daß hinter jeder seginentähnlichen Kontaktbahn eine die darauf folgende in annähernd gleicher Höhe liegende Isolierbahn von ihr trennende Vertiefung vorgesehen und so bemessen ist, daß die Kontaktstifte nach Verlassen der Kontaktbahn während einer kurzen Zeit frei in der Luft schweben, ohne den Boden der Vertiefung zu berühren, bevor sie wieder mit der Isolierbahn in Berührung kommen. Der Vorteil besteht darin, daß während der kurzen Zeit des freien Schwebens der Kontaktstifte diese von der Luft umströmt werden, so daß der Unterbrechungsfunken zuverlässig gelöscht und die Spitzen der Kontaktstifte abgekühlt werden. Ein Schmieren der glühenden Kontaktspitzen auf der darauf folgenden Isolierbahn findet nicht statt, so daß eine Ablagerung von Metall, welche ein Funkenziehen verursachen könnte, vermieden wird.Rotary switch with resilient contact pins The invention relates to @ Rotary switch with resilient contact pins and segment-like contact tracks and consists in the fact that behind each segment-like contact path there is a subsequent in approximately the same height insulating sheet is provided from it separating recess and is dimensioned so that the contact pins after leaving the contact path during float freely in the air for a short time without touching the bottom of the depression, before they come into contact with the insulating strip again. The advantage is that during the short period of free floating of the contact pins this from the Air flows around it, so that the interruption spark reliably extinguished and the Tips of the contact pins are cooled. A lubrication of the glowing contact tips does not take place on the subsequent insulating strip, so that a deposit metal, which could cause sparking, is avoided.
Zwei Ausführungsbeispiele der Erfindung sind in den Abb. = bis q: dargestellt. Abb. z zeigt einen Schnitt durch einen Drehschalter mit aufgesetzter Kappe; Abb. 2 ist eine Draufsicht auf den Schalter bei abgenommener Kappe; Abb. 3 zeigt für sich allein die abgewickelte Kontaktbahn, und in Abb. q. ist ein. Schalterdargestellt, bei dem die federnden Kontaktstifte nicht, wie in Abb. x, in der Schaltwalze, sondern im Schaltersockel angeordnet sind.Two embodiments of the invention are shown in Figs. = To q: shown. Fig. Z shows a section through a rotary switch with an attached Cap; Figure 2 is a top plan view of the switch with the cap removed; Fig. 3 shows the unwound contact path by itself, and in Fig. Q. is a. Switch shown, in which the resilient contact pins are not, as in Fig. x, in the shift drum, but are arranged in the switch base.
Bei der Ausführung nach Abb. z bis 3 sind auf dem Schaltersockel a die Kontaktsegmente b angeordnet, die durch Stege mit den Anschlußklemmen c in Verbindung stehen. In der Kontaktwalze f sind die an sich bekannten federnden Kontaktstifte g angeordnet, die auf den Kontaktsegmenten oder auf dem Sockel schleifen. An der Stelle, wo bei der Schaltbewegung die Kontaktstifte die Kontaktsegmente verlassen und auf die Gleitbahn aus Isoliermaterial übergehen, ist, wie aus Abb. 3 ersichtlich, eine Vertiefung d angeordnet, die in der Schaltrichtung ansteigt. Durch diese Anordnung wird erreicht, daß die Kontaktstifte nach Verlassen der metallischen Kontaktsegmente nicht sofort auf die Isolierbahn übertreten, sondern zunächst einen kurzen Weg frei durch die Luft nehmen müssen, so daß die Unterbrechungsfunken Gelegenheit haben, abzureißen und nicht auf der Isolierbahn, die bei den gewöhnlichen Schaltern nach längerem Gebrauch mit Metallteilchen bedeckt wird, wandern können.In the version according to Fig. Z to 3, a the contact segments b are arranged, which are connected to the terminals c by webs stand. The resilient contact pins, which are known per se, are located in the contact roller f g arranged, which grind on the contact segments or on the base. At the Place where the contact pins leave the contact segments during the switching movement and go over to the slideway made of insulating material, as can be seen from Fig. 3, arranged a recess d, which increases in the switching direction. Through this arrangement it is achieved that the contact pins after leaving the metallic contact segments do not immediately step onto the insulating membrane, but first clear a short path must take through the air so that the interruption sparks have the opportunity to to tear off and not on the insulating strip, which is the case with the ordinary switches If it is covered with metal particles over a long period of time, it can migrate.
Von den Anschlußstellen sind die Kontaktsegmente durch einen ringsum laufenden Schutzrand e getrennt, so daß die Stromunterbrechung in einem verhältnismäßig eng begrenzten Luftraum geschieht. Der Schutzrand wird lediglich durchdieStegeunterbrochen, welche dieKontaktsegmente mit den Anschußklemmen verbinden. In Abb. ¢ ist eine weitere Ausführungsform dargestellt, bei welcher die Kontaktsegmente b in der Schaltwalze f angeordnet sind, während die federnden Kontaktstifte g in dem Schaltersockel gelagert sind. Die übrige Anordnung und die Wirkung ist dieselbe wie bei dem Ausführungsbeispiel nach den Abb. x bis 3.From the connection points the contact segments are all around running protective edge e separated, so that the current interruption in a proportionate narrow airspace happens. The protective edge is only interrupted by the webs, which connect the contact segments with the connection terminals. In Fig. ¢ there is another Embodiment shown in which the contact segments b in the shift drum f are arranged, while the resilient contact pins g mounted in the switch base are. The other arrangement and effect are the same as in the embodiment according to fig. x to 3.
Claims (1)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA47578D DE488194C (en) | Rotary switch with spring-loaded contact pins | ||
NL22938D NL22938C (en) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA47578D DE488194C (en) | Rotary switch with spring-loaded contact pins |
Publications (1)
Publication Number | Publication Date |
---|---|
DE488194C true DE488194C (en) | 1929-12-20 |
Family
ID=6935857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA47578D Expired DE488194C (en) | Rotary switch with spring-loaded contact pins |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE488194C (en) |
NL (1) | NL22938C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022539A1 (en) * | 1979-07-12 | 1981-01-21 | Honeywell Gmbh | Electrical switch with sliding contacts |
EP0042310A1 (en) * | 1980-06-18 | 1981-12-23 | Kimberly-Clark Limited | Catch or lock |
DE3136471A1 (en) * | 1980-09-19 | 1982-04-15 | International Standard Electric Corp., 10022 New York, N.Y. | ROTARY SWITCH |
DE3917864A1 (en) * | 1989-06-01 | 1990-12-06 | Marquardt Gmbh | Electrical switch with potentiometer - has contact track terminated by slot to avoid particle build-up causing problems |
DE10326157A1 (en) * | 2003-06-10 | 2004-12-30 | BSH Bosch und Siemens Hausgeräte GmbH | Electrical switch for household products has a lighting element built into the actuator unit |
-
0
- NL NL22938D patent/NL22938C/xx active
- DE DEA47578D patent/DE488194C/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0022539A1 (en) * | 1979-07-12 | 1981-01-21 | Honeywell Gmbh | Electrical switch with sliding contacts |
EP0042310A1 (en) * | 1980-06-18 | 1981-12-23 | Kimberly-Clark Limited | Catch or lock |
DE3136471A1 (en) * | 1980-09-19 | 1982-04-15 | International Standard Electric Corp., 10022 New York, N.Y. | ROTARY SWITCH |
DE3917864A1 (en) * | 1989-06-01 | 1990-12-06 | Marquardt Gmbh | Electrical switch with potentiometer - has contact track terminated by slot to avoid particle build-up causing problems |
DE10326157A1 (en) * | 2003-06-10 | 2004-12-30 | BSH Bosch und Siemens Hausgeräte GmbH | Electrical switch for household products has a lighting element built into the actuator unit |
DE10326157B4 (en) * | 2003-06-10 | 2014-09-18 | BSH Bosch und Siemens Hausgeräte GmbH | switch device |
Also Published As
Publication number | Publication date |
---|---|
NL22938C (en) |
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