EP0338521B1 - Interrupteur électrique - Google Patents

Interrupteur électrique Download PDF

Info

Publication number
EP0338521B1
EP0338521B1 EP89106954A EP89106954A EP0338521B1 EP 0338521 B1 EP0338521 B1 EP 0338521B1 EP 89106954 A EP89106954 A EP 89106954A EP 89106954 A EP89106954 A EP 89106954A EP 0338521 B1 EP0338521 B1 EP 0338521B1
Authority
EP
European Patent Office
Prior art keywords
housing
plug
switch
connection
switch according
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 - Lifetime
Application number
EP89106954A
Other languages
German (de)
English (en)
Other versions
EP0338521A2 (fr
EP0338521A3 (en
Inventor
Fritz Dignal
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.)
Marquardt GmbH
Original Assignee
Marquardt GmbH
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 Marquardt GmbH filed Critical Marquardt GmbH
Publication of EP0338521A2 publication Critical patent/EP0338521A2/fr
Publication of EP0338521A3 publication Critical patent/EP0338521A3/de
Application granted granted Critical
Publication of EP0338521B1 publication Critical patent/EP0338521B1/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
    • 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
    • H01H23/04—Cases; Covers
    • H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • 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
    • H01H23/025—Light-emitting indicators

Definitions

  • the invention relates to an electrical switch according to the preamble of claim 1.
  • Electrical switches for example for actuating coffee machines, should be liquid-tight or largely liquid-protected and illuminated. So that liquid cannot easily penetrate into the switch, known switches are possibly manufactured with a sealed housing or with an additional rubber seal on the actuator. However, such known switches are of complex construction and are particularly unsuitable for automatic assembly.
  • GB-A-1 094 822 discloses a switch according to the preamble of the claim.
  • a raised collar is provided on the upper part of the switch housing, which serves as a bearing for an actuator and at the same time as a fastening flange for fastening the switch to a front plate.
  • This structure is not suitable for use in connection with a rocker-shaped actuator. Furthermore, automatic assembly of such a switch is not readily possible due to a complicated structure.
  • the document DE-A-3 024 510 shows a switch with a rocker-shaped actuator.
  • the rectangular housing is provided with a gable-shaped upper housing end, which has a semi-cylindrical section in its upper region as a bearing and lead-through for a multi-part actuator.
  • This switch too, has a complicated structure and is not suitable for automatic assembly.
  • the invention has for its object to propose a liquid-protected switch, which is simple and which is suitable for automatic assembly.
  • the switch housing is designed to be completely open, with special measures being provided which allow the individual parts to be assembled automatically. If, due to careless handling of the user, liquid gets into the switch interior through the upper plunger opening, this liquid can quickly and easily get out of the switch through the large bottom opening.
  • a large bottom opening in the switch housing offers the possibility of inserting the individual parts to be arranged inside the switch by an automatic assembly process, since only straight-line loading is provided. Grooves, receiving slots or channels are provided for this purpose, which serve to receive the contact system or a possible lighting with connections.
  • the switch housing is rectangular or square, the actuator being designed as a rocker.
  • a rectangular housing shape enables the construction of a very space-saving switch.
  • two plug connections without lighting and three plug connections with lighting arranged side by side in the switch housing.
  • a raised collar is used on the upper part of the housing, which protrudes far into the rocker of the actuator and thus seals off the inside of the switch.
  • the raised collar can also have lateral trunnions for the rocker bearing.
  • the contact bridge is formed with legs arranged in a U-shape.
  • the lower longer leg is used to connect the middle connector to the connector located on the edge of the housing.
  • the upper leg serves as an actuating surface for the rocker pin.
  • the plug connections are designed as a contact system.
  • the middle plug connection has a cutting edge bearing for the contact bridge, which at the same time forms the electrical contact connection.
  • the connector located on the edge of the housing is bent at right angles to form the mating contact surface for the contact bridge.
  • the inner housing wall and / or the plug connections have projections or resilient tabs for mutual locking when inserting the plug connections into the interior of the housing.
  • the switch is provided with a lighting unit, this is embedded in a separate hole, with the series resistor - if a glow lamp is used is also arranged in a separate hole.
  • the switch housing is made very thin in the area of this lamp holder, so that the light shines through with almost no loss if the housing material is transparent. In this area, the rocker carries a window for light to pass through.
  • the cable connections of the lighting unit are made using notches on the plug connections, the notches being compressed after the connecting wires have been inserted.
  • the contact spring is cut out in a semicircle in its outer area facing the glow lamp, so that the components can move closer together in this area.
  • FIGS. 1 and 4 represent a side view in cut-away form
  • FIGS. 2 and 5 the respective end view of FIGS. 1 and 4 and FIGS. 3 and 6 a view from below through the bottom opening of the switch housing.
  • the electrical switch 1 shown in side view in FIGS. 1 and 4 is preferably designed as a rocker switch for a coffee machine.
  • the rocker switch has a housing 2 which is completely closed on the side, the housing wall of which continues upwards and forms an upper housing end 3. Only in the middle area of the rectangular housing 2 is a through opening 4 provided in the upper housing end 3, through which a switching pin 5 of the rocker-shaped actuating member 6 projects into the housing interior 7.
  • the upper housing end or upper housing part 3 is designed in the form of a raised collar 8, which protrudes as far as possible into the pot-shaped housing 9 of the actuating member 6 in order to achieve the most comprehensive possible sealing of the through opening 4 to the interior 7 of the housing.
  • the raised collar 8 has laterally protruding knobs 10, which serve as bearing pins for the actuator 6.
  • the housing 2 of the switch is completely open in its lower region through a bottom opening 11. 3 and 6 show an insight into this bottom opening from below.
  • a first, middle plug connection 12 is inserted into the housing 2.
  • the side housing wall 13 points from bottom to top, i. H. in the vertical direction grooves 14 or receiving slots or channels in which the flat plug connector 12 is inserted with its side edges.
  • the housing wall 13 laterally contains a bore 15, into which a lateral projection 16 of the plug connection engages, so that the plug connection and the wall lock each other.
  • the plug connection 12 is U-shaped, the lower horizontal crosspiece between the U-shaped legs being designed as a pointed or V-shaped cutting edge 17, which is used as a bearing for the spring-like contact bracket (contact rocker) 18 and at the same time serves as an electrical connection between the plug connection 12 and the contact bracket 18.
  • the contact bracket 18 has a lower longer leg 19, a V-shaped kink 20, a U-shaped arc 21 and an upper shorter leg 22.
  • the V-shaped kink 20 serves as a counter-bearing to the V-shaped cutting edge 17 of the plug connection 12.
  • an electrical contact 23 is provided which interacts with a contact 24 of a second plug connection 25 located on the end face of the housing.
  • This plug connection 25 also consists of a flat material, with a tongue 27 bent over between two U-shaped legs 26, which carries the electrical contact 24.
  • the side edges of the plug connection 25 in turn run in lateral grooves 28 in the housing wall 13.
  • a rear nose or a projection 29 on the plug connection 25 serves for the form-fitting securing of the plug connection 25 with respect to the housing 2 with a corresponding recess.
  • the switching pin 5 cooperates with its lower end with the upper, shorter leg 22 of the contact bracket 18 in the sense of a switch changeover.
  • the switch contact between the contacts 23, 24 is open, i. H. the lower leg 19 is raised from the contact 24 and is placed slightly obliquely upwards. If you press the actuator 6 in the other direction downwards, the contact bracket 18 snaps over, so that the contacts 23, 24 lie together and the lower arm 19 lies approximately in a horizontal position.
  • the electrical switch 1 additionally has an illumination device 30 in the form of a glow lamp.
  • the embodiment without lighting device, ie without glow lamp, is shown in Fig. 4 to 6, wherein the housing design is provided for receiving such a lighting device.
  • the housing design for receiving an illumination device 30 can therefore also be described with reference to FIGS. 4 to 6.
  • the interior of the housing 2 has an upwardly arcuate recess 32 which already has the shape of the glow lamp 30.
  • the housing material 33 is made transparent, so that the light from the glow lamp 30 can pass through it almost without loss.
  • the actuating member 6 carries a transparent window 34 (see FIG. 1), so that the light from the glow lamp 30 can also shine through upwards.
  • the window 34 as shown in FIG. 4, can be omitted.
  • the housing 2 has a further longitudinal recess 35, in which the series resistor 36 of the glow lamp 30 is introduced. Finally, a further, slot-shaped longitudinal recess 37 is provided, into which the third plug-in connection 38 is inserted in the case of an illumination unit 30. As with the plug connections 12, 25, projections or resilient tabs 29 also serve for the plug connection for mutual latching with the housing.
  • the first connecting wire 39 is connected to the middle plug connection 12 and the second connecting wire 40 is connected first to the series resistor 36 and from there (wire 40 ') attached to the third connector 38.
  • the middle connector 12 and the third connector 38 have notches 41, in which the connecting wires 39, 40 'of the glow lamp or the series resistor are inserted. By compressing these notches 41 in the region of arrows 42, the connecting wires 39, 40 'are clamped in a force-fitting and positive manner.
  • the relevant design of the plug connection 12 can also be seen in FIG. 5.
  • the contact bracket 18 has a semicircular opening 43 in the region of its U-shaped arc 21, which is to serve as a recess for the outer contour 44 of the glow lamp 30.
  • the glow lamp 30 can move very close to the contact bracket 18 without the freedom of movement of the contact bracket being impaired.
  • the lateral housing walls 13 of the housing 2 furthermore have grooves (receiving slots) 45 for the laterally protruding part 46 of the U-shaped arch 21 of the contact bracket 18. These grooves 45 also serve to guide the contact bracket 18 laterally.
  • the assembly of the individual parts of the switch 1 takes place except for the actuator 6 exclusively through the bottom opening 11.
  • the contact bracket 18 is first inserted and fixed by means of the central plug connection 12 in the region of the V-shaped cutting edge 17 with the counter bearing 20. Then the second connector 25 is inserted straight into the housing.
  • the one connecting wire 40 of the glow lamp 30 is already connected to the series resistor 36. After inserting these two parts into the recesses 32 and 35, the one Connecting wire 39 of the glow lamp inserted into the notch 41 of the middle plug connection 12 while the wire end 40 'of the series resistor 36 is inserted into the further notch 41 of the third plug connection 38. The two notches are then compressed with a certain clamping force and the wires are thus fixed (arrow 42).

Landscapes

  • Tumbler Switches (AREA)

Claims (10)

  1. Commutateur électrique (30), comportant un boîtier rectangulaire ou quadratique (2) ouvert vers le bas, le boîtier (2) du commutateur, pour être protégé contre l'humidité, étant fermé, dans sa zone supérieure jusqu'à une étroite ouverture de passage (4), par un collet (8) surélevé, et comportant des rainures (14,28) agencées, à chaque fois, par paires et orientées de bas en haut sur la face interne de la paroi (13) du boîtier du commutateur, qui servent à recevoir un premier raccord enfichable (12) et un second raccord enfichable (25), les raccords enfichables (12,25) étant guidés de l'intérieur du boîtier vers l'extérieur, et comprenant un pont de contact (18) agencé à l'intérieur du boîtier et se trouvant sur le premier raccord enfichable (12), pont qui peut être commuté au moyen d'une broche de commutation (5) pénétrant par l'ouverture du collet (8),
    caractérisé en ce qu'un organe d'actionnement (6) en forme de bascule à boîtier (9) en forme de coupelle est prévu, sur lequel est formée, en une seule pièce, avec une longueur non modifiable, la broche de commutation (5), en ce que la broche de commutation (5) pénètre dans le collet surélevé (8) de la partie supérieure (3) du boîtier, l'ouverture de passage (4) entourée par le collet (8), lors de la plongée de la broche de commutation (5), étant réalisée sans fermeture complète vers le haut, et en ce que le pont de contact (18) présente une forme de U, et comporte une branche inférieure (19) plus longue dans l'état de connection du commutateur, pour la liaison du premier raccord enfichable (12) et du second raccord enfichable (25), et une branche supérieure (22) plus courte, qui peut être sollicitée par une force par la broche de commutation (5) de l'organe d'actionnement (6), dans le sens d'une commutation.
  2. Commutateur selon la revendication 1,
    caractérisé en ce que la face interne de la paroi (13) du boîtier présente une paire, orientée de bas en haut, de fentes de réception (45) pour recevoir et/ou pour guider le pont de contact (18).
  3. Commutateur selon la revendication 1,
    caractérisé en ce que le collet (8) ou la paroi latérale (13) du boîtier présente des broches (10) ou des rainures pour recevoir la bascule.
  4. Commutateur selon la revendication 1,
    caractérisé en ce que la partie supérieure du premier raccord enfichable (12) présente une arête (17) en forme de V pour former un palier de pivotement (17,20) pour le pont de contact (18), le palier de pivotement servant, en même temps, de liaison électrique entre ce raccord enfichable (12) et le pont de contact (18).
  5. Commutateur selon la revendication 1 ou 4,
    caractérisé en ce que le second raccord enfichable (25) est agencé à l'intérieur du boîtier (2) du commutateur, en appui contre une paroi frontale, et est cintré à angle droit, dans sa zone supérieure (27), pour former un contact avec un contact (23) du pont de contact (18).
  6. Commutateur selon la revendication 1,
    caractérisé en ce que, dans le boîtier (2) du commutateur, est prévu au moins un évidement (32) pour recevoir une unité d'éclairage, en ce que la partie supérieure fermée (3) du boîtier (2) du commutateur et l'organe d'actionnement sus-jacent (6) en forme de bascule et de capuchon sont réalisés en tant que fenêtres transparentes (33,34), dans la zone de l'unité d'éclairage (30).
  7. Commutateur selon la revendication 6,
    caractérisé en ce que l'unité d'éclairage est réalisée en tant que lampe fluorescente (30) à résistance série (36), en ce que la lampe fluorescente (30) et la résistance série (36) sont agencées, à chaque fois, dans un évidement séparé (32,35) dans le boîter (2) du commutateur, et en ce que, dans une autre rainure (37), est prévu un troisième raccord enfichable (38), ce raccord enfichable (38) étant relié à la résistance série (36) et le premier raccord enfichable médian (12) étant relié à un raccord de câble (39) de la lampe fluorescente (30).
  8. Commutateur selon la revendication 7,
    caractérisé en ce que les premier et troisième raccords enfichables (12,38) à relier à la lampe fluorescente (30) ou à la résistance série (36) présentent des entailles (41) qui, après la mise en place des fils de raccordement (39, 40), sont refoulées.
  9. Commutateur selon la revendication 7,
    caractérisé en ce que les rainures (14,28,37) pour les raccords enfichables (12,25,38) sur la paroi interne (13) du boîtier et/ou les raccords enfichables présentent des ergots (29) ou saillies (16) élastiques et des évidements adaptés (15) pour leur encliquetage mutuel.
  10. Commutateur selon une des revendications 6 à 9,
    caractérisé en ce que le pont de contact (18) présente, dans sa zone (21) repliée, en forme de U, un ajour (43) semi-circulaire en vue de dessus, dans lequel s'engage le contour externe (44) de l'unité d'éclairage (30).
EP89106954A 1988-04-21 1989-04-19 Interrupteur électrique Expired - Lifetime EP0338521B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813350A DE3813350A1 (de) 1988-04-21 1988-04-21 Elektrischer schalter
DE3813350 1988-04-21

Publications (3)

Publication Number Publication Date
EP0338521A2 EP0338521A2 (fr) 1989-10-25
EP0338521A3 EP0338521A3 (en) 1990-10-17
EP0338521B1 true EP0338521B1 (fr) 1993-09-29

Family

ID=6352507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106954A Expired - Lifetime EP0338521B1 (fr) 1988-04-21 1989-04-19 Interrupteur électrique

Country Status (3)

Country Link
US (1) US4982061A (fr)
EP (1) EP0338521B1 (fr)
DE (2) DE3813350A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128714A1 (de) * 1991-08-29 1993-03-04 Marquardt Gmbh Elektrischer schalter
DE4130827A1 (de) * 1991-09-17 1993-03-25 Braun Ag Elektrischer schalter
WO1993023865A1 (fr) * 1992-05-12 1993-11-25 Otto Engineering, Inc. Commutateur a bascule
DE4226505C2 (de) * 1992-08-11 2002-07-11 Teves Gmbh Alfred Träger für Schaltermodule
US5359164A (en) * 1993-05-14 1994-10-25 Eaton Corporation Illuminated switching assembly
DE4416273A1 (de) * 1994-05-07 1995-11-09 Teves Gmbh Alfred Abgedichteter Kippschalter mit Leuchtanzeige
DE4441211C2 (de) * 1994-11-19 2001-10-11 Marquardt Gmbh Elektrisches Gerät
GB2308496B (en) * 1995-12-18 1998-04-08 Defond Mfg Ltd Electrical switch
US6066815A (en) * 1998-08-24 2000-05-23 Illinois Tool Works Inc. Electrical connector-power switch module
US6002094A (en) * 1999-04-05 1999-12-14 Hung; Tang-Yueh Electric switch
US6492603B1 (en) 2001-08-14 2002-12-10 Illinois Tool Works Inc. Power switch module
US20040217258A1 (en) * 2003-04-30 2004-11-04 Clugston P. Edward Solar sensor including reflective element to transform the angular response
US20060011460A1 (en) * 2004-07-15 2006-01-19 Yung-Ching Hung Switch structure
USD840952S1 (en) 2013-03-15 2019-02-19 Hubbell Incorporated Switch with nightlight

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Also Published As

Publication number Publication date
DE3813350A1 (de) 1989-11-02
EP0338521A2 (fr) 1989-10-25
US4982061A (en) 1991-01-01
EP0338521A3 (en) 1990-10-17
DE58905728D1 (de) 1993-11-04

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