EP0391049A1 - Interrupteur, en particulier interrupteur d'appareil - Google Patents

Interrupteur, en particulier interrupteur d'appareil Download PDF

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Publication number
EP0391049A1
EP0391049A1 EP90103217A EP90103217A EP0391049A1 EP 0391049 A1 EP0391049 A1 EP 0391049A1 EP 90103217 A EP90103217 A EP 90103217A EP 90103217 A EP90103217 A EP 90103217A EP 0391049 A1 EP0391049 A1 EP 0391049A1
Authority
EP
European Patent Office
Prior art keywords
switch
switch according
housing
receptacle
contact piece
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
EP90103217A
Other languages
German (de)
English (en)
Other versions
EP0391049B1 (fr
Inventor
Edwin Weber
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.)
Kautt & Bux Schalter Produktionsgesellschaft Mbh
Original Assignee
Kautt & Bux Schalter Produktionsgesellschaft Mbh
Kautt and Bux 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 Kautt & Bux Schalter Produktionsgesellschaft Mbh, Kautt and Bux KG filed Critical Kautt & Bux Schalter Produktionsgesellschaft Mbh
Publication of EP0391049A1 publication Critical patent/EP0391049A1/fr
Application granted granted Critical
Publication of EP0391049B1 publication Critical patent/EP0391049B1/fr
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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere

Definitions

  • the invention relates to a switch, in particular a device switch, with at least one movable contact piece which can be moved from a switch-off position into a switch-on position by means of a switch actuator, and with a housing which has at least one receptacle for a mating contact piece which can be contacted by the movable contact piece in its switch-on position.
  • the invention has for its object to provide a switch, in particular a device switch, which is cheaper than the known, comparable switch, at least in connection with the associated device or the like, that is also taking into account the assembly effort.
  • a switch with the features of claim 1.
  • the switch according to the invention is therefore only functional when the missing fixed contact piece or the missing fixed contact pieces have been inserted into the associated receptacle, which is preferably done in that each missing fixed contact piece is inserted into its receptacle when the switch is installed in the device or the like .
  • the receptacle in a preferred embodiment therefore has an insertion opening penetrating the wall of the switch housing. This insertion opening is preferably designed as a guide channel for the contact body, in order to ensure that it comes into the correct position in the switch when plugged in.
  • the part of the receptacle located within the housing has a support surface facing the movable contact piece for the contact body to be inserted, which at least partially forms the counter-contact piece.
  • the switch housing is provided with one part of a plug connection, this plug connection being designed in such a way that its plug-in direction corresponds to the direction in which the mating contact piece has to be inserted into the switch housing. Then only a single plug-in process is required to arrange the switch in the device or the like in the correct position and to insert the mating contact piece or pieces into the switch.
  • An arrangement of the part of the plug connection provided on the wall of the housing coaxially with the insertion opening for the mating contact piece is particularly advantageous.
  • At least one latching connection consisting of a resilient pawl and a catch is provided, which engages at the end of the plugging process.
  • the shape of the mating contact piece can be freely selected within wide limits. However, the shape of a flat plug is very advantageous.
  • the switch according to the invention can not only be completed by means of mating contact pieces which are fixedly arranged on the device. If necessary, you can also subsequently insert counter-contact pieces that are provided with a plug connection, a screw connection or the like.
  • the mating contact piece is provided with at least one longitudinal slot which extends as far as the end to be located in the interior of the housing.
  • a wire can be clamped in such a longitudinal slot, which simplifies the connection of this wire, which belongs, for example, to a lighting device, which further reduces the costs.
  • Contacting a wire in such a longitudinal slot is particularly problem-free if the wire lies in a channel crossing the longitudinal slot and is fixed in it in such a way that it is aligned with the longitudinal slot and can be supported on the channel wall.
  • the two parts that make up the switch housing are connected to one another by means of molded-on pins, which engage in corresponding openings when the housing parts are joined and, like these, have a shape that leads to a latching.
  • the device switch shown in Figures 1 to 4 has an essentially block-shaped switch housing, which is composed of an upper housing part 1 and a lower housing part 2.
  • connecting pins 3 protrude from the four corner regions of the lower housing part 2 towards the upper housing part 1, which, as shown in FIG. 3, taper towards their upper end and form several flat annular beads.
  • These connecting pins which can also have a cross-sectional shape deviating from a circle, 3 engage in correspondingly designed channels of the upper housing part 1, as a result of which an automatically locking plug connection is created when the two housing parts 1 and 2 are placed one on top of the other.
  • a peg-shaped switch actuator 4 which is molded onto a support 5 for two contact bridges 6, which form the two movable contact pieces of the two-pole switch which are parallel to one another.
  • Carrier 5 and on the other hand is supported on the bottom 8 of the lower housing part 2.
  • the carrier 5 has two diametrically arranged supports 10, which project transversely to its direction of movement, for the two contact bridges 6, which are each pressed against their support 10 by a helical compression spring 11.
  • the helical compression springs 11, on the other hand, are supported on two arms 12 which are also formed integrally with the carrier 5 and which, at a distance above the supports 10, protrude transversely to the direction of movement of the carrier 5 from its central part, which, as shown in FIG. 4, has two guide ribs 13 is provided, which extend in the direction of movement of the carrier 5 and are each guided by a groove-like guide 14 of the lower housing part.
  • At least one of the two arms 12 carries in the region of its free end a leg spring 15, the legs of which extend from the arm 12 against the base 8 against a sliding surface of a portion of material 16 of the lower housing part 2 projecting from the base 8.
  • the two sliding surfaces are provided with lugs 17 projecting against one another, which are engaged behind by the two ends of the leg spring 15 when the carrier 5 is in the closed position of the switch.
  • This non-positive latching mechanism achieves a snap effect and reduces the force that must be exerted on the switch actuator 4 after the switch has been closed in order to hold it in the closed position.
  • a fixed contact piece 19 with a screw connection is assigned to one end of the two contact bridges 6, which are slit conically in the longitudinal direction in their two end sections and therefore have two contact pills 18 on the underside in each end section.
  • These two fixed contact pieces 19 are held by the upper housing part 1 in their receptacle provided in the lower housing part 2. They each have a longitudinal bore 20 extending transversely to the direction of movement of the carrier 5 for receiving the conductor to be connected, and a transverse bore 21 accessible from outside the housing and containing a clamping screw (not shown).
  • these two fixed contact pieces 19 could also be provided with a plug connection or a solder connection.
  • the switch housing On the side opposite the two fixed contact pieces 19, the switch housing has two insertion openings 22 with a rectangular cross section, the longitudinal axes of which are parallel to one another and to the axes of the longitudinal bores 20.
  • the insertion openings 22 are limited in their lower part by the lower housing part 2 and in their upper part by the upper housing part 1, as a result of which they can be produced without problems.
  • truncated cone-shaped projections 23 are formed concentrically with both insertion openings 22 on the outside of the housing wall having these insertion openings, each of which forms part of a plug connection and also extends the channel formed by the insertion openings 22.
  • the cross section of the insertion openings 22 is adapted to the cross section of tab-shaped contact pieces 24, which are inserted into the interior of the housing through the insertion openings 22 only when the switch is installed in the associated device.
  • the lower housing part 2 forms a support surface 25 for the material section 16 Contact piece 24.
  • FIG. 1 shows that the insertion opening 22 and the bearing surface 25 are arranged such that the contact surface facing the contact bridge 6 lies in the same plane as the contact surface of the fixed contact piece 19 fixed in the switch housing.
  • the two contact pieces 24 are formed by the end portions of a flat plug, which protrude beyond the area 26 of the associated device intended for the contact of the switch housing.
  • a truncated cone-shaped recess 27 is provided in the surface 26 concentrically with the two tabs, the shape of which corresponds to that of the projections 23.
  • the two plug-in contact pieces 24 are provided with a centrally located, conical longitudinal slot 30 which extends to the free end of the contact piece 24.
  • the two tongues lying next to one another are contacted by one of the two contact pills 18 of the associated end section of the contact bridge 6. Since, as shown in FIG. 1, the end sections of the contact bridge 6 adjoining a central section are bent toward the contact surfaces of the contact pieces 24, the contact pills 18 are displaced on the contact pieces 24 when the contact bridge 6 is pushed through to its extended position. This creates a self-cleaning effect on the contact surfaces.
  • Each of the two longitudinal slots 30 is crossed at right angles by a channel 31 provided in the lower housing part 2 and continuing in the upper housing part 1, in which a connecting wire 32 of a component 33 to be electrically conductively connected to the contact piece 24 lies, in which it is in the exemplary embodiment is a capacitor.
  • the diameter of the connecting wire 32 is somewhat larger than the width of the longitudinal slot 30. Good contact is therefore achieved when the contact piece 24 is inserted through the insertion opening 22 and the connecting wire 32 enters the conical longitudinal slot 30 and expands it somewhat.
  • the lower housing part 2 For receiving the component 33, the lower housing part 2 is provided with a chamber 34 which is open at the bottom and on the side walls of which hooks 35 are formed, which, as shown in FIG. 2, hold the component 33 in the chamber 34. Therefore, the assembly of the component 33 is extremely simple and inexpensive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP90103217A 1989-04-04 1990-02-20 Interrupteur, en particulier interrupteur d'appareil Expired - Lifetime EP0391049B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910812A DE3910812C1 (fr) 1989-04-04 1989-04-04
DE3910812 1989-04-04

Publications (2)

Publication Number Publication Date
EP0391049A1 true EP0391049A1 (fr) 1990-10-10
EP0391049B1 EP0391049B1 (fr) 1995-12-13

Family

ID=6377790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103217A Expired - Lifetime EP0391049B1 (fr) 1989-04-04 1990-02-20 Interrupteur, en particulier interrupteur d'appareil

Country Status (3)

Country Link
US (1) US5070221A (fr)
EP (1) EP0391049B1 (fr)
DE (1) DE3910812C1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW436439B (en) * 1996-03-27 2001-05-28 Honda Motor Co Ltd Main switch of vehicle
FR2796733B1 (fr) * 1999-07-19 2001-11-02 Isa France Sa Dispositif a poussoir
DE102007013572B4 (de) * 2007-03-21 2009-06-18 Siemens Ag Kontaktsystem mit einer Schaltbrücke
DE102007015794B4 (de) * 2007-03-30 2009-02-26 Siemens Ag Kontaktschiebereinheit für eine Schalteinheit, insbesondere einen Leistungsschalter, aufweisend einen Kontaktschieber und ein Schaltstück
DE102007015793B4 (de) * 2007-03-30 2009-02-05 Siemens Ag Kontaktschiebereinheit für eine Schalteinheit, insbesondere einen Leistungsschalter.
DE102013203466A1 (de) 2013-03-01 2014-09-04 Zf Friedrichshafen Ag Schalter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097002B (de) * 1958-01-18 1961-01-12 Busch Jaeger Duerener Metall Drucktastenschalter
DE3118292A1 (de) * 1981-05-08 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais
EP0150486A2 (fr) * 1984-01-25 1985-08-07 DODUCO KG. Dr. Eugen Dürrwächter Interrupteur de circuit électrique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE552342A (fr) * 1955-11-23
US2856492A (en) * 1957-05-01 1958-10-14 Gen Electric Electrical contact mounting means
US3542976A (en) * 1967-08-18 1970-11-24 Forest J Moray Distributor cap and rotor combination with completely removable stationary electrode and broad contact face movable electrode
US3786209A (en) * 1972-01-03 1974-01-15 Molex Inc Snap switch with pre-wired terminals
US4081641A (en) * 1976-11-26 1978-03-28 Cutler-Hammer, Inc. Toggle switch with hinged split housing and insulation piercing contacts
DE3041470A1 (de) * 1980-11-04 1982-06-09 E. Dold & Söhne KG, 7743 Furtwangen Taste
DE3209897A1 (de) * 1982-03-18 1983-09-29 Franz Kirsten Elektrotechnische Spezialfabrik, 6530 Bingen Elektrischer schalter
DE3315765A1 (de) * 1983-04-30 1984-10-31 Alfred Teves Gmbh, 6000 Frankfurt Schalterbetaetigungseinrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097002B (de) * 1958-01-18 1961-01-12 Busch Jaeger Duerener Metall Drucktastenschalter
DE3118292A1 (de) * 1981-05-08 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais
EP0150486A2 (fr) * 1984-01-25 1985-08-07 DODUCO KG. Dr. Eugen Dürrwächter Interrupteur de circuit électrique

Also Published As

Publication number Publication date
DE3910812C1 (fr) 1990-08-23
EP0391049B1 (fr) 1995-12-13
US5070221A (en) 1991-12-03

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