EP3404685B1 - Electrical switching device - Google Patents

Electrical switching device Download PDF

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Publication number
EP3404685B1
EP3404685B1 EP18171969.1A EP18171969A EP3404685B1 EP 3404685 B1 EP3404685 B1 EP 3404685B1 EP 18171969 A EP18171969 A EP 18171969A EP 3404685 B1 EP3404685 B1 EP 3404685B1
Authority
EP
European Patent Office
Prior art keywords
switching device
elastic means
electrical switching
tubular extension
toggle
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.)
Active
Application number
EP18171969.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3404685A1 (en
Inventor
Zdravko KESMIC
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.)
Tem Catez d o o
Original Assignee
Tem Catez d o o
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 Tem Catez d o o filed Critical Tem Catez d o o
Publication of EP3404685A1 publication Critical patent/EP3404685A1/en
Application granted granted Critical
Publication of EP3404685B1 publication Critical patent/EP3404685B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • H01H23/162—Driving mechanisms incorporating links interconnecting tumbler and contact arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/24—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with two operating positions

Definitions

  • the present invention refers to an electrical switching device comprising a rocking push-button which influences an electrical control of various switching devices, such as of selector switches, rocker switches, multiple-way switches, single-pole and double-pole switches, and similar.
  • the aforementioned electrical switching device is known from a publication of a European patent No. EP 1 430 496 B1 , for example.
  • Disclosed is a mechanism for compression actuation, by means of a rocking key, of electric controls such as switches, change-over switches, selector switches and the like.
  • Said pin is pushed against said movable anchor by a compression spring, where the pin acts against the movable anchor by means of an articulated fork-like head.
  • Each of the two branches of the fork arrange themselves on corresponding areas of the anchor that are substantially symmetrical with respect to its centre.
  • a drawback of said known solution lies in a relatively complex production and assembly of the switching device.
  • Electrical switching device comprises a box like body 1 with a cover 2 and a movable rocking push-button 3 arranged thereon, wherein all said elements being made of at least one electrically non-conductive material.
  • An embodiment of the electrical switching device is possible, where at least the rocking push-button 3 is formed of two different electrically non-conductive materials, wherein one of said electrically non-conductive materials has a capability to damp the sound occurring at the time of activating the rocking push-button 3.
  • said electrical device is optionally covered by a decorative cover, not shown, which is removably connected in a manner known per se with said rocking push-button 3.
  • At least two connecting terminals are arranged in said body 1 in order to connect respective electrical conductors, that is at least one first connecting terminal 4 for a discharge electric line, and a second connecting terminal 5 for a supply electric line.
  • Each first connecting terminal 4 consists of an electrical contact support 6, to which is optionally attached an electrical contact holder 7 having an electrical contact 8, and of a fixing means 9 for attaching electric line to each support 6.
  • Said second connecting terminal 5 comprises an electrical contact support 6, to which is associated a holder 10 of a rocking switching element 11 with electrical contacts 12, and a fixing means 9 for attaching the electric line to said support 6.
  • Said rocking switching element 11 is held in said holder 10 by means of a fork-like projection 13 enabling said element 11 to swing between the two positions in which it establishes, by means of bringing the electrical contacts 12 into a contact with the electrical contact 8 of one of the first connecting terminals 4, a conduction of electric current between the supply line and the discharge line.
  • Said swing motion of the switching element 11 is achieved by said rocking push-button 3, which via an elastic means 14 and a toggle slider 15 acts upon the switching element 11.
  • Said toggle slider 15 is in contact with the switching element 11 in at least two points. According to the preferred embodiment, said toggle slider 15 is in contact with the switching element 11 by means of four points 15'.
  • Said elastic means 14 which is selected in the present embodiment as a helical compression spring, is inserted into a tubular extension 16 of the rocking push-button 3.
  • Said tubular extension 16 projects through the cover 2 into the body 1 of the electrical switching device according to the invention, extending up to the immediate vicinity of the switching element 11, however, only for the amount that allows free swinging motion of the switching element 11.
  • a cavity of the tubular extension 16, in which said elastic means 14 is arranged, is formed in the area of the free end of the extension 16 with a funnel shaped radial widening 17, which enables a partial buckling of the elastic means 14 in direction of the switching motion of the switching element 11 with respect to the centreline of the tubular extension 16 and, respectively, said cavity.
  • said free end of the extension 16 is formed with a snap-on blocking means 18 configured to receive a counter-blocking means 19 and to cooperate therewith, said counter-blocking means 19 being formed on said toggle slider 15.
  • Said toggle slider 15 comprises a toggle plate 20 comprising said points 15'formed on said toggle plate 20 at the side facing the switching element 11.
  • the side of the toggle plate 20 averted form the switching element 11 is formed approximately in its central region with a carrying column 21 provided for a connection with the elastic means 14.
  • Said carrying column 21 is inserted into the free end of the elastic means 14 and pressed against the switching button 3, wherein said counter-blocking means 19 arranged transversally to the carrying column 21 meshes the blocking means 18 at the free end of the tubular extension 16.
  • an embodiment of the electrical switching device which comprises a plurality of switching elements 11 being mutually arranged in parallel or in series.
  • the switching button 3 is formed with a number of the tubular extensions 16 which corresponds to the number of the switching elements 11, wherein each switching elementu11 being associated with one elastic means 14 and one toggle slider 15.

Landscapes

  • Push-Button Switches (AREA)
  • Tumbler Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP18171969.1A 2017-05-15 2018-05-14 Electrical switching device Active EP3404685B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI201700134A SI25436B (sl) 2017-05-15 2017-05-15 Električna stikalna naprava

Publications (2)

Publication Number Publication Date
EP3404685A1 EP3404685A1 (en) 2018-11-21
EP3404685B1 true EP3404685B1 (en) 2020-02-19

Family

ID=62196346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18171969.1A Active EP3404685B1 (en) 2017-05-15 2018-05-14 Electrical switching device

Country Status (2)

Country Link
EP (1) EP3404685B1 (sl)
SI (1) SI25436B (sl)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20012002A1 (it) 2001-09-27 2003-03-27 Vimar Spa Meccanismo di azionamento a compressione mediante tasto basculante diinterruttori commutatori deviatori e simili
US7026565B1 (en) * 2004-12-27 2006-04-11 Eaton Corporation Self-contained actuator subassembly for a rocker switch and rocker switch employing the same
ITMI20120992A1 (it) * 2012-06-07 2013-12-08 Vimar Spa Dispositivo elettrico a comando assiale

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
SI25436A (sl) 2018-11-30
SI25436B (sl) 2020-08-31
EP3404685A1 (en) 2018-11-21

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