EP0071207A2 - Interrupteur électrique rotatif avec un axe de positionnement actionné en rotation et en coulissement axial par un organe de commande - Google Patents

Interrupteur électrique rotatif avec un axe de positionnement actionné en rotation et en coulissement axial par un organe de commande Download PDF

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Publication number
EP0071207A2
EP0071207A2 EP82106672A EP82106672A EP0071207A2 EP 0071207 A2 EP0071207 A2 EP 0071207A2 EP 82106672 A EP82106672 A EP 82106672A EP 82106672 A EP82106672 A EP 82106672A EP 0071207 A2 EP0071207 A2 EP 0071207A2
Authority
EP
European Patent Office
Prior art keywords
camshaft
rotary switch
housing
switch according
switch
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.)
Withdrawn
Application number
EP82106672A
Other languages
German (de)
English (en)
Other versions
EP0071207A3 (fr
Inventor
Wilfried Schultz
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Publication of EP0071207A2 publication Critical patent/EP0071207A2/fr
Publication of EP0071207A3 publication Critical patent/EP0071207A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H25/00—Switches with compound movement of handle or other operating part
    • H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
    • 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
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/62—Contacts actuated by radial cams

Definitions

  • the invention relates to an electrical rotary switch with an actuating element that can be rotated by an operating element and is axially displaceable against the action of a restoring force, by means of which switching contacts can be actuated by means of actuators that are arranged coaxially in a housing, and at least one actuating element can be locked in at least one rotational position.
  • switching devices with coaxially arranged operating elements have become known, whereby switching elements that can be actuated independently of one another via separate adjusting axes can be actuated by these operating elements (e.g. DE-AS 11 41 394).
  • the coaxially arranged operating elements are provided as a twist grip and as a push button arranged centrally therein, which means that different operating functions can be recognized by the operator via these operating elements, which can be clearly recognized from the outside by the separate design of the operating elements , can be carried out (DE-GM 72 26 934) .
  • a rotary switch actuation can be carried out by means of a rotary knob and a push or pull switch actuation can be carried out simultaneously by axially adjusting this rotary knob.
  • a rotary switch according to the training described above has become known from DE-AS 11 39 181.
  • the actuators that can be actuated by the actuating shaft are coupled to the actuating shaft via a wide variety of intermediate elements.
  • the one actuator is elastically coupled to the actuating shaft by means of two leaf springs extending transversely to the axis, while a special driver is non-rotatably attached to the actuating shaft to take this actuator.
  • the other actuator can be coupled by actuating the actuating shaft by means of a cross pin fixed in the actuating shaft.
  • This actuator can only be rotated to a limited extent by a fixed stop, and its coupling to the actuating shaft is only possible in a certain rotational position of the actuating shaft. Because of this, the coupling of the actuators with the actuating shaft is still relatively complex. In addition, the intended use of this switching device is extremely limited by the very special design of actuators and their coupling with the actuating shaft.
  • the object of the invention is to improve a rotary switch in the above described type such that it can be used for versatile applications, its actuators are adjustable over the entire rotational range of 360 0 and an axial actuation of the adjusting shaft is possible in all rotational angle ranges.
  • camshafts are provided as actuators, one of which is rotationally coupled with a clearance fit and the other with a press fit with the actuating shaft and that the other camshaft axially displaceable against the restoring force for interacting with a locking element is provided with axially adjacent circumferential grooves and a locking trough effective in the zero position of the switch within at least one of the grooves.
  • the locking recess is designed as a longitudinal slot connecting the circumferential grooves. This enables the axially actuated camshaft to perform an automatic switch-off after rotation into the zero position under the action of the restoring force.
  • the one camshaft acts on the contact levers arranged transversely to its longitudinal axis by means of radial cams and engages with a pin of its free end in a bearing of the housing and is secured on a shoulder against axial displacement by a web integrally formed on the housing .
  • the other camshaft acts by means of a circumferential control cam which rises obliquely in the axial direction on a contact lever arranged transversely to the longitudinal axis of the camshaft on a corresponding control bevel.
  • control slope is formed by a control link attached to the contact lever by a plug connection.
  • a further simplification of the invention is given in that the actuating shaft of the other camshaft is integrally formed on the material.
  • Another feature of the invention is that the one camshaft, with its pin mounted in the housing, has its free end rotationally coupled to a rotary shaft of a rotary potentiometer held in the housing.
  • the rotary potentiometer is held in a pocket of the housing and, with its rotary shaft, which can be axially pushed away against spring force, can be latched into a coupling bore of the journal of the camshaft.
  • the rotary switch consists of a housing 1 with attached contact parts 2 and camshafts rotatably mounted therein? and 8, which are arranged on an actuating shaft 9.
  • the contact parts 2 which are advantageously all made of a uniform sheet metal blank, have a fixed contact 3 on the one hand and are provided with a contact lever 4 or 5 on the other hand.
  • These contact levers 4 and 5 are expediently designed as leaf spring contacts and connected to the contact parts 2 by riveting or welding.
  • As connector contacts 2 contact tabs 6 are formed on the contact parts, which project beyond the housing 1 to the outside and are held in place at their roots by a riveting process in the housing 1.
  • the coaxially arranged camshafts 7 and 8 are mounted on the control shaft 9 so that one 7 with a clearance fit and the other 8 with a press fit with the control shaft 9 is coupled in a rotationally locking manner.
  • the camshafts 7 and 8 are mounted in the housing 1 in such a way that the free end of the actuating shaft 9 is passed through a bearing 11 of a front housing wall of the housing 1 and into a bearing bore 14 of a further housing wall by means of a bearing pin 10 of the free end of the one camshaft 7 is clickable.
  • one of the camshafts 7 formed on the shoulder 15 passes behind a web 16 formed on the housing 1, as a result of which it is secured against axial displacement.
  • the other camshaft 8 is pressed axially against the one camshaft 7 by means of a compression spring 12 mounted between the front wall of the housing 1 and an end face of this camshaft 8.
  • the other camshaft 8 is held in defined switching positions by a pressure piece 23 actuated by a compression spring 24 by means of locking recesses 21 molded into it.
  • the other camshaft 8 has two axially adjacent circumferential grooves 20, whereby two axial locking positions for the other camshaft 8 are made possible when the adjusting shaft 9 is axially adjusted by means of the rotary handle 13 attached to its free end. With the addition of further axially adjacent circumferential grooves 20, several axial locking positions can also be achieved.
  • Latching troughs 21 can optionally be provided within the circumferential grooves 20 for desired rotational locking positions. Depending on the desired switching process, these can be arranged in any switching angle. In order to achieve an automatic switch-off in the zero position, the locking trough 21 is designed such that it represents a longitudinal slot connecting the circumferential grooves 20. Thus, after the camshaft 8 has been rotated into the zero position under the action of the return spring 12, this camshaft is automatically axially displaced, as a result of which contacts which were previously switched on can be switched off.
  • One camshaft 7 is provided with radial control cams 18 for any interaction with the contact levers 4.
  • the other camshaft 8 on the other hand, has a circumferential control cam 19 which rises obliquely in the axial direction and which acts on a corresponding control bevel 22.1 of the contact lever 5 arranged transversely to the longitudinal axis of the camshaft 8.
  • the control bevel 22.1 is designed so that it is formed by a special control link 22 attached to the contact lever 5 by plug connection.
  • the contact lever 5 can be formed from a simple straight sheet metal strip (FIG. 5).
  • the contact levers 4 have a cam-like offset in a known manner.
  • the actuating shaft 9 of the other camshaft 8 can be molded onto the same material.
  • this camshaft 8 has a pin 9.1 engaging in the profiled bore 17 of the one camshaft 7 with a clearance fit, and an axle stub 9.2 for the drive by the actuating handle 13.
  • the one camshaft 7 can be provided with a sleeve-like extension, which is possibly adapted to the profile of the actuating shaft 9 and engages in a correspondingly profiled recess in the other camshaft 8. This results in improved guidance of the two camshafts 7 and 8.
  • a rotary potentiometer 25 is made of a resistance disk, a driver with a rotary shaft 26, a sliding contact spring being adjustable by the driver via the resistance tracks.
  • the driver is connected to the rotary shaft 26 via an elastic web 28 and is rotatably supported by a locking pin 27 in a central bore in the resistance disk.
  • the rotary potentiometer 25 is connected to a circuit board 31 before being introduced into the switch housing 1.
  • This circuit board 31 is then inserted into a corresponding receptacle of the switch housing 1, the rotary potentiometer 25 with its rectangular resistance plate being inserted into a slot-like pocket 29 in the housing 1. Due to the elastic design of the web 28 connecting the rotary shaft 26 to the driver, the rotary shaft 26 can be axially pushed away when inserted into the pocket 29 of the housing 1, as a result of which its coupling pin can be latched into the coupling bore 30 of the one camshaft 7. This coupling pin is provided with an insertion bevel 32 for easier insertion.
  • the rotary switch according to the invention can be designed such that the same housing 1 can be used for use as a rotary pull switch according to the invention or for an arrangement of a one-piece rigid camshaft for use only as a rotary switch.

Landscapes

  • Switches With Compound Operations (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Mechanical Control Devices (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP82106672A 1981-07-31 1982-07-23 Interrupteur électrique rotatif avec un axe de positionnement actionné en rotation et en coulissement axial par un organe de commande Withdrawn EP0071207A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813130274 DE3130274A1 (de) 1981-07-31 1981-07-31 Elektrischer drehschalter mit einer durch ein bedienungsglied drehbar und axial verschiebbar zu betaetigenden stellwelle
DE3130274 1981-07-31

Publications (2)

Publication Number Publication Date
EP0071207A2 true EP0071207A2 (fr) 1983-02-09
EP0071207A3 EP0071207A3 (fr) 1984-09-26

Family

ID=6138215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82106672A Withdrawn EP0071207A3 (fr) 1981-07-31 1982-07-23 Interrupteur électrique rotatif avec un axe de positionnement actionné en rotation et en coulissement axial par un organe de commande

Country Status (3)

Country Link
EP (1) EP0071207A3 (fr)
DE (1) DE3130274A1 (fr)
NO (1) NO822623L (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675917A1 (fr) * 1991-04-29 1992-10-30 Morand Marcel Module fin de course pour actionneur industriel a unite de detection et degre de liberte.
WO1994003912A1 (fr) * 1992-07-30 1994-02-17 Braun Aktiengesellschaft Commutateur pour appareils a commande electrique
EP0726587A1 (fr) * 1995-02-07 1996-08-14 ITT Automotive Europe GmbH Interrupteur rotatif ayant deux éléments de boîtier, chaque élément étant muni d'un jeu de contacts
EP0728299B1 (fr) * 1994-09-08 2000-01-12 Beissbarth GmbH Commande d'une machine d'équilibrage avec un élément de commande

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459564A (en) * 1946-04-17 1949-01-18 Gen Electric Control device
DE931964C (de) * 1952-04-27 1955-08-22 Preh Elektro Feinmechanik Drehwiderstand, vorzugsweise mit durch die gleiche Drehachse bedienbarem Drehschalter, mit zusaetzlichem, durch Laengsverschieben der Drehachse zu betaetigendem Schalter
US3015002A (en) * 1959-01-15 1961-12-26 Gen Motors Corp Switch assembly
FR1379650A (fr) * 1963-06-21 1964-11-27 Cie Generale Entpr Elec Commutateur de commande et de signalisation
DE1590137B2 (de) * 1966-07-21 1971-04-08 Brown, Boven & C ie AG, 6800 Mann heim Elektrischer drehschalter
GB1521689A (en) * 1975-10-10 1978-08-16 Lucas Electrical Co Ltd Electrical switch
DE2631144C3 (de) * 1976-07-10 1979-04-19 Fa. Leopold Kostal, 5880 Luedenscheid Kraftfahrzeug-Lichtdrehschalter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675917A1 (fr) * 1991-04-29 1992-10-30 Morand Marcel Module fin de course pour actionneur industriel a unite de detection et degre de liberte.
WO1994003912A1 (fr) * 1992-07-30 1994-02-17 Braun Aktiengesellschaft Commutateur pour appareils a commande electrique
US5550343A (en) * 1992-07-30 1996-08-27 Braun Aktiengesellschaft Switch for electrically powered apparatus
EP0728299B1 (fr) * 1994-09-08 2000-01-12 Beissbarth GmbH Commande d'une machine d'équilibrage avec un élément de commande
DE4432015C2 (de) * 1994-09-08 2003-08-28 Beissbarth Gmbh Verfahren zur Bedienung einer Auswuchtmaschine und Bedienelement zur Durchführung des Verfahrens
EP0726587A1 (fr) * 1995-02-07 1996-08-14 ITT Automotive Europe GmbH Interrupteur rotatif ayant deux éléments de boîtier, chaque élément étant muni d'un jeu de contacts

Also Published As

Publication number Publication date
NO822623L (no) 1983-02-01
DE3130274A1 (de) 1983-03-03
EP0071207A3 (fr) 1984-09-26

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Effective date: 19860301

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Inventor name: SCHULTZ, WILFRIED