EP0863523B1 - Multipolar electrical switch - Google Patents

Multipolar electrical switch Download PDF

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Publication number
EP0863523B1
EP0863523B1 EP98400433A EP98400433A EP0863523B1 EP 0863523 B1 EP0863523 B1 EP 0863523B1 EP 98400433 A EP98400433 A EP 98400433A EP 98400433 A EP98400433 A EP 98400433A EP 0863523 B1 EP0863523 B1 EP 0863523B1
Authority
EP
European Patent Office
Prior art keywords
slide
housing
notches
contact
knob
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
EP98400433A
Other languages
German (de)
French (fr)
Other versions
EP0863523A3 (en
EP0863523A2 (en
Inventor
Andreas Ing. Cramer
Rainer Ing. Ansorge
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.)
Schneider Electric GmbH
Schneider Electric Industries SAS
Original Assignee
Schneider Electric GmbH
Schneider Electric Industries SAS
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 Schneider Electric GmbH, Schneider Electric Industries SAS filed Critical Schneider Electric GmbH
Publication of EP0863523A2 publication Critical patent/EP0863523A2/en
Publication of EP0863523A3 publication Critical patent/EP0863523A3/en
Application granted granted Critical
Publication of EP0863523B1 publication Critical patent/EP0863523B1/en
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
    • 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
    • H01H19/635—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot
    • H01H19/6355—Contacts actuated by rectilinearly-movable member linked to operating part, e.g. by pin and slot using axial cam devices for transforming the angular movement into linear movement along the axis of rotation
    • 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
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0012—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for converting normally open to normally closed switches and vice versa
    • 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
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0018—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts

Definitions

  • the present invention relates to a multi-pole electric switch with rotary control, in particular of the switch-disconnector type, comprising a housing with which is associated a control handle to rotary handle which accommodates several movable contact bridges arranged in a slide and cooperating with fixed contacts, the slide being can be moved in translation by the lever via a core cam member secured to the rotating lever.
  • Such a switch is known from document EP-219 570.
  • the slide In response when changing the lever from an "off" position to an “on” position, the slide moves from a position remote from the joystick, in which the contact bridges are separated from fixed contacts, at a position close to the lever, in which the contact bridges are applied to the contacts fixed. It appears that the switch in question deserves to be simplified when it is of small caliber. It is thus particularly desirable to simplify the composition and assembly of such a switch, while reducing its footprint.
  • the object of the invention is therefore to simplify the composition and to facilitate the assembly of a switch of the type described. Its other purpose is to reduce its overall height and keep it large flexibility of implementation.
  • the cam member comprises to ensure cooperation between the core and the slide on the one hand at least two notches, by example two pairs of notches, offset around the axis of rotation of the joystick, on the other hand at least one control projection, for example a pair of such projections, applied in the off position and respectively in walking position at the bottom of one or the other notch by the spring force requesting the slide.
  • the realization of the switch is thus greatly simplified, in particular when the slide includes open grooves opposite the handle for housing and guiding contact bridges, pressure springs contact being applied on the one hand on the housing, on the other hand on the bridges, and contributing to the application of the control projection against notches.
  • the size of the switch in its main direction, that is to say parallel to the axis of rotation of the handle of the handle, is then reduced.
  • the notches are of unequal height in one direction main switch parallel to the axis of rotation of the joystick, and the projections and notches are located on the core, cylindrical in shape, and on a receptacle head also cylindrical in shape, the core and the head having substantially equal diameters.
  • Connection terminals accessible from the front and rear of the switch in the main direction can advantageously be provided in the housing. These terminals can be elastic; they are from preferably two coaxial screws cooperating with the same cage in which penetrates a fixed contact part.
  • the housing can consist of a base and a body, the terminals of connection each having an opening made towards the front in the body and a rear opening in the base.
  • the body can include lateral cavities 6a housing the terminals and closed during inserting the body into the base.
  • the housing may include a passage for a clean actuating rod to the handle, the handle having forms on a span snap fitted to cooperate with elastic elements latching located in the passage, this allows to fix different handles on the same housing.
  • Figure 1 shows in perspective a switch-disconnector conforming to the invention.
  • Figure 2 shows it with separation of the rotary control head.
  • Figure 3 shows part of the switch and its returnable additive.
  • FIGs 4 and 5 show the slide and the contact bridges in positions respective "stop” and "walk”.
  • Figure 6 is an axial section of the same elements, left in position stop and right in on position.
  • Figure 7 is a schematic exploded axial section of the switch.
  • Figure 8 is a view along VIII-VIII of the slide and its core ordered.
  • the electrical device shown in the figures is a switch-disconnector suitable for mounting on supports such as profiles standardized, electrical boxes or cabinets, plates or machine bodies. It includes a housing 1 of generally parallelepipedal shape consisting of two main parts, namely a base 2 and a body 3 which can be inserted in the base and held in it by elements not shown, as well as a handle or handle control 4 able to rotate around an X axis.
  • the housing extends along a main direction X 'parallel to X.
  • the base 2 has orifices 5 passage for conductors to be connected in terminals respective 6 housed in cavities 6a of the body 3 and covered by the walls 2a, 2b.
  • the base 2 has a central slot 6a (see FIG. 2) allowing dialogue mechanical with an additive of auxiliary contacts 12 (see Figures 1 and 3) which will be described later, as well as slots and positioning openings or snap 6b for the additive.
  • the body 3 From the front wall 3a which closes the switch forwards, the body 3 has a passage 7, with circular outline 7a at the level of the wall, then inward polygonal 7b; at the polygonal contour 7b are provided snap-in elements 8 such as elastic levers to hold corresponding shapes 4a provided on a cylindrical surface 4b of the handle.
  • the handle also has an operating element 4c and between the latter and the bearing 4b a plastron 4d of square shape; she finally has an actuating rod 4e, the end of which has a polygonal cross section to cooperate with a cylindrical core which will be described later.
  • the handle being snap-in, so you can easily associate with the switch the desired handle.
  • the body 3 has ears 10 with 11 fixing holes for screws or threaded rods linked to the 4d front plate, to allow the handle to be secured with the housing and / or fix the handle sub-assembly to a wall or intermediate plate;
  • the base 2 has the usual elements at the rear 2e for snap-fastening on a standard profile.
  • the housing 1 has a recess 9 at the front of the walls 2a, 2b and terminals 6 are each provided with two accessible coaxial screws respectively from the front by this withdrawal 9 and from the rear as we will see further.
  • passage 7 is arranged so as to rotate around the X axis without move axially, a control core 13 (see Figures 4 to 8) provided of a square orifice 13a and, on two opposite sides, projections or pins of rounded command 14 of small radial width which are attached to the part of the core where the orifice opens out by an abutment facet 14a parallel to X and by an oblique facet 14b.
  • the nucleus is retained in the X direction from the side of the handle by a shoulder 3e of the body 3 (see FIG. 7).
  • a slide 16 is disposed movable parallel to X and is guided in the body 3 by ribs 17 cooperating with appropriate grooves of the body.
  • the slide has a cylindrical receptacle head forward 18 arranged to cooperate with the core 13 and having a cross section substantially identical to that of the core 13.
  • the cylindrical receptacle 18 is provided with pairs of opposing cam slots 19.20 distributed around the X axis and whose profiles are arranged to cooperate with the projections of control 14.
  • the wall thickness of the receptacle corresponds substantially to the radial width of the projections 14.
  • each "step" notch 19 is deeper in the direction X that the neighboring notch "stop” 20, offset in rotation around the X axis by 90 ° relative to the notch 19 and that the bottom of each notch 19.20 is provided to be applied against the control projection 14.
  • the notch 19 has a right side 19a, oriented in the main direction X 'and an oblique side 19b substantially parallel to the facet 14b. So is even for the notch 20 which has a right side 20a oriented along X and a oblique side 20b.
  • the oblique side 20b meets the oblique side 19b in a cusp top 18a.
  • the straight sides 19a, 20a cooperate with the abutment facet 14a of the core 13 to stop the rotation and the top 18a ensures the transition from one notch to another during the rotation of the controller.
  • the slide 16 has grooves 16a open towards the base, each groove housing a movable contact bridge 21 and the end upper of a contact pressure spring 22 associated with the bridge. Each spring 22 is applied at its opposite end against a lower wall 2f of the base 2.
  • the slide 16 laterally comprises openings 23 to cause a mobile contact of an additive 12.
  • the slide is further biased towards the core by two lateral springs auxiliaries 24, threaded on one side on canons 16b of the slide and in support on the other side on the wall 2f of the base.
  • the slide is therefore applied against the core by the force produced by the pressure springs of contact 22 and the auxiliary springs 24. It is understood that the bridges of contact can be easily introduced for mounting in the grooves 16a parallel to the main direction X '.
  • the bottom 2f of the base 2 has suitable conformations 2g to accommodate the ends of the springs 22,24.
  • each terminal 6 has a cage 26 located in the cavity 6a, opening towards a respective passage 5 and provided on the one hand towards the front with a threaded orifice 27, on the other hand towards the rear of a tapped hole 28.
  • Respective screws 29.30 maneuverable from the front by an opening 31 in the body and rearwards by an opening 32 of the base are associated with the orifices 27, 28.
  • the tightening operation of a conductor inserted in passage 5 is carried out by moving the cage or a screw forward.
  • this screw remains fixed in translation by stop against a stop veil 3f of the body 3 and the cage moves towards the front of the switch so that the conductor is clamped between the cage and the part 25.
  • this screw moves in translation, while the cage remains fixed and the conductor is clamped between the end of the screw and the part 25.
  • the openings 32 open at the rear of the base in the area fixing elements 2e of the base 2 to a standardized profile.
  • Additives 12 have terminals 34 with two screws in a housing 33 similar or identical to the two screw terminals 6 of the switch.
  • the additive may have a contact bridge whose movement is controlled by a element interacting via the slot 6a with the opening 23 of the slide 16.
  • the housing 33 of the additive has holes 35 towards the front and towards the rear orifices 36 for operating the terminals 34.
  • the additive 12 is arranged and mounted returnable against the wall 2c, 2d so as to be able occupy two positions 180 ° from each other and thus constitute in the first position an additive with opening and in the second position a closing additive.
  • the fixed contact parts being inserted in the body 3, and the terminals 6 introduced into the lateral cavities 6a of the body, the sub-assemblies constituted by the control core 13 and the slide 16 with the contact pressure springs 22 and the auxiliary springs 24 is engaged in passage 7, then the base 2 is fitted and snapped onto the body 3 by trapping the terminals.
  • the handle 4 can then be added.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Switches With Compound Operations (AREA)

Description

La présente invention concerne un interrupteur électrique multipolaire à commande rotative, notamment du type interrupteur-sectionneur, comprenant un boítier auquel est associée une poignée de commande à manette rotative et qui loge plusieurs ponts de contact mobiles disposés dans un coulisseau et coopérant avec des contacts fixes, le coulisseau étant sollicitable en translation par la manette via un organe de came à noyau solidaire de la manette en rotation.The present invention relates to a multi-pole electric switch with rotary control, in particular of the switch-disconnector type, comprising a housing with which is associated a control handle to rotary handle which accommodates several movable contact bridges arranged in a slide and cooperating with fixed contacts, the slide being can be moved in translation by the lever via a core cam member secured to the rotating lever.

Un tel interrupteur est connu d'après le document EP-219 570. En réponse au passage de la manette d'une position "arrêt" à une position "marche", le coulisseau passe d'une position éloignée de la manette, dans laquelle les ponts de contact sont séparés de contacts fixes, à une position proche de la manette, dans laquelle les ponts de contact sont appliqués sur les contacts fixes. Il apparaít que l'interrupteur en cause mérite d'être simplifié lorsqu'il est de petit calibre. Il est ainsi notamment souhaitable de simplifier la composition et l'assemblage d'un tel interrupteur, tout en réduisant son encombrement.Such a switch is known from document EP-219 570. In response when changing the lever from an "off" position to an "on" position, the slide moves from a position remote from the joystick, in which the contact bridges are separated from fixed contacts, at a position close to the lever, in which the contact bridges are applied to the contacts fixed. It appears that the switch in question deserves to be simplified when it is of small caliber. It is thus particularly desirable to simplify the composition and assembly of such a switch, while reducing its footprint.

L'invention a ainsi pour but de simplifier la composition et de faciliter l'assemblage d'un interrupteur du type décrit. Elle a pour autre but de réduire son encombrement en hauteur et de lui conserver une grande souplesse de mise en oeuvre.The object of the invention is therefore to simplify the composition and to facilitate the assembly of a switch of the type described. Its other purpose is to reduce its overall height and keep it large flexibility of implementation.

Selon l'invention, l'organe de came comprend pour assurer la coopération entre le noyau et le coulisseau d'une part au moins deux encoches, par exemple deux couples d'encoches, décalées autour de l'axe de rotation de la manette, d'autre part au moins une saillie de commande, par exemple un couple de telles saillies, appliquée en position arrêt et respectivement en position marche au fond de l'une ou l'autre encoche par l'effort de ressorts sollicitant le coulisseau.According to the invention, the cam member comprises to ensure cooperation between the core and the slide on the one hand at least two notches, by example two pairs of notches, offset around the axis of rotation of the joystick, on the other hand at least one control projection, for example a pair of such projections, applied in the off position and respectively in walking position at the bottom of one or the other notch by the spring force requesting the slide.

La réalisation de l'interrupteur est ainsi grandement simplifiée, notamment lorsque le coulisseau comprend des rainures ouvertes à l'opposé de la poignée pour loger et guider des ponts de contact, des ressorts de pression de contact étant appliqués d'une part sur le boítier, d'autre part sur les ponts, et contribuant à l'application de la saillie de commande contre les encoches. L'encombrement de l'interrupteur dans sa direction principale, c'est-à-dire parallèlement à l'axe de rotation de la manette de la poignée, est alors réduit.The realization of the switch is thus greatly simplified, in particular when the slide includes open grooves opposite the handle for housing and guiding contact bridges, pressure springs contact being applied on the one hand on the housing, on the other hand on the bridges, and contributing to the application of the control projection against notches. The size of the switch in its main direction, that is to say parallel to the axis of rotation of the handle of the handle, is then reduced.

De préférence, les encoches sont d'inégale hauteur dans une direction principale de l'interrupteur parallèle à l'axe de rotation de la manette, et les saillies et encoches sont situées sur le noyau, de forme cylindrique, et sur une tête à réceptacle de forme également cylindrique, le noyau et la tête ayant des diamètres sensiblement égaux. Preferably, the notches are of unequal height in one direction main switch parallel to the axis of rotation of the joystick, and the projections and notches are located on the core, cylindrical in shape, and on a receptacle head also cylindrical in shape, the core and the head having substantially equal diameters.

Des bornes de connexion accessibles de l'avant et de l'arrière de l'interrupteur dans la direction principale peuvent avantageusement être prévues dans le boítier. Ces bornes peuvent être élastiques ; elles sont de préférence à deux vis coaxiales coopérant avec une même cage dans laquelle pénètre une pièce de contact fixe.Connection terminals accessible from the front and rear of the switch in the main direction can advantageously be provided in the housing. These terminals can be elastic; they are from preferably two coaxial screws cooperating with the same cage in which penetrates a fixed contact part.

Le boítier peut se composer d'un socle et d'un corps, les bornes de connexion présentant chacune une ouverture ménagée vers l'avant dans le corps et une ouverture ménagée vers l'arrière dans le socle. Le corps peut comporter des cavités latérales 6a logeant les bornes et fermées lors de l'insertion du corps dans le socle.The housing can consist of a base and a body, the terminals of connection each having an opening made towards the front in the body and a rear opening in the base. The body can include lateral cavities 6a housing the terminals and closed during inserting the body into the base.

Le boítier peut comprendre un passage pour une tige d'actionnement propre à la poignée, la poignée présentant sur une portée des formes d'encliquetage prévues pour coopérer avec des éléments élastiques d'encliquetage situés dans le passage, ceci permettant de fixer différentes poignées sur un même boítier.The housing may include a passage for a clean actuating rod to the handle, the handle having forms on a span snap fitted to cooperate with elastic elements latching located in the passage, this allows to fix different handles on the same housing.

Les particularités et avantages de l'invention ressortiront de la description qui est faite ci-après d'un mode de réalisation non limitatif.The features and advantages of the invention will emerge from the description which is made below of a nonlimiting embodiment.

La figure 1 représente en perspective un interrupteur-sectionneur conforme à l'invention.Figure 1 shows in perspective a switch-disconnector conforming to the invention.

La figure 2 le représente avec séparation de la tête de commande rotative.Figure 2 shows it with separation of the rotary control head.

La figure 3 représente une partie de l'interrupteur et son additif retournable.Figure 3 shows part of the switch and its returnable additive.

Les figures 4 et 5 montrent le coulisseau et les ponts de contact en positions respectives "arrêt" et "marche".Figures 4 and 5 show the slide and the contact bridges in positions respective "stop" and "walk".

La figure 6 est une coupe axiale des mêmes éléments, à gauche en position arrêt et à droite en position marche.Figure 6 is an axial section of the same elements, left in position stop and right in on position.

La figure 7 est une coupe axiale éclatée schématique de l'interrupteur.Figure 7 is a schematic exploded axial section of the switch.

La figure 8 est une vue selon VIII-VIII du coulisseau et de son noyau de commande. Figure 8 is a view along VIII-VIII of the slide and its core ordered.

L'appareil électrique représenté sur les figures est un interrupteur-sectionneur approprié pour être monté sur des supports tels que profilés normalisés, coffrets ou armoires électriques, platines ou corps de machines. Il comprend un boítier 1 de forme générale parallélépipédique constitué de deux parties principales, à savoir un socle 2 et un corps 3 qui peut être inséré dans le socle et maintenu dans celui-ci par des éléments d'encliquetage non représentés, ainsi qu'une manette ou poignée de commande 4 apte à tourner autour d'un axe X. Le boítier s'étend selon une direction principale X' parallèle à X.The electrical device shown in the figures is a switch-disconnector suitable for mounting on supports such as profiles standardized, electrical boxes or cabinets, plates or machine bodies. It includes a housing 1 of generally parallelepipedal shape consisting of two main parts, namely a base 2 and a body 3 which can be inserted in the base and held in it by elements not shown, as well as a handle or handle control 4 able to rotate around an X axis. The housing extends along a main direction X 'parallel to X.

Dans deux parois latérales opposées 2a,2b, le socle 2 comporte des orifices 5 de passage pour des conducteurs à connecter dans des bornes respectives 6 logées dans des cavités 6a du corps 3 et capotées par les parois 2a,2b. Dans ses deux autres parois latérales opposées 2c,2d, le socle 2 comporte une fente centrale 6a (voir figure 2) permettant un dialogue mécanique avec un additif de contacts auxiliaires 12 (voir figures 1 et 3) qui sera décrit plus loin, ainsi que des fentes et ouvertures de positionnement ou d'encliquetage 6b pour l'additif.In two opposite side walls 2a, 2b, the base 2 has orifices 5 passage for conductors to be connected in terminals respective 6 housed in cavities 6a of the body 3 and covered by the walls 2a, 2b. In its two other opposite side walls 2c, 2d, the base 2 has a central slot 6a (see FIG. 2) allowing dialogue mechanical with an additive of auxiliary contacts 12 (see Figures 1 and 3) which will be described later, as well as slots and positioning openings or snap 6b for the additive.

A partir de la paroi frontale 3a qui ferme l'interrupteur vers l'avant, le corps 3 présente un passage 7, à contour circulaire 7a au niveau de la paroi, puis polygonal 7b vers l'intérieur; au niveau du contour polygonal 7b sont prévus des éléments d'encliquetage 8 tels que des leviers élastiques pour maintenir des formes correspondantes 4a prévues sur une portée cylindrique 4b de la poignée. La poignée présente de plus un élément de manoeuvre 4c et entre celui-ci et la portée 4b un plastron 4d de forme carrée ; elle possède enfin une tige d'actionnement 4e dont l'extrémité a une section droite polygonale pour coopérer avec un noyau cylindrique qui sera décrit plus loin. La poignée étant encliquetable, on peut ainsi aisément associer à l'interrupteur la poignée souhaitée.From the front wall 3a which closes the switch forwards, the body 3 has a passage 7, with circular outline 7a at the level of the wall, then inward polygonal 7b; at the polygonal contour 7b are provided snap-in elements 8 such as elastic levers to hold corresponding shapes 4a provided on a cylindrical surface 4b of the handle. The handle also has an operating element 4c and between the latter and the bearing 4b a plastron 4d of square shape; she finally has an actuating rod 4e, the end of which has a polygonal cross section to cooperate with a cylindrical core which will be described later. The handle being snap-in, so you can easily associate with the switch the desired handle.

Le corps 3 possède des oreilles 10 à trous 11 de fixation pour des vis ou tiges filetées liées au plastron 4d, afin de permettre de solidariser la poignée avec le boítier et/ou de fixer le sous-ensemble de poignée à une paroi ou platine intermédiaire ; le socle 2 présente à l'arrière des éléments usuels 2e de fixation par encliquetage sur un profilé normalisé.The body 3 has ears 10 with 11 fixing holes for screws or threaded rods linked to the 4d front plate, to allow the handle to be secured with the housing and / or fix the handle sub-assembly to a wall or intermediate plate; the base 2 has the usual elements at the rear 2e for snap-fastening on a standard profile.

Pour permettre de manoeuvrer les bornes 6 à partir de l'avant ou de l'arrière de l'interrupteur, le boítier 1 possède un retrait 9 à l'avant des parois 2a,2b et les bornes 6 sont munies chacune de deux vis coaxiales accessibles respectivement de l'avant par ce retrait 9 et de l'arrière comme on le verra plus loin. To allow operation of terminals 6 from the front or rear of the switch, the housing 1 has a recess 9 at the front of the walls 2a, 2b and terminals 6 are each provided with two accessible coaxial screws respectively from the front by this withdrawal 9 and from the rear as we will see further.

Dans le passage 7 est disposé, de façon à tourner autour de l'axe X sans se déplacer axialement, un noyau de commande 13 (voir figures 4 à 8) muni d'un orifice carré 13a et, sur deux côtés opposés, de saillies ou pions de commande arrondis 14 de faible largeur radiale qui se rattachent à la partie du noyau où débouche l'orifice par une facette de butée 14a parallèle à X et par une facette oblique 14b. Le noyau est retenu dans la direction X du côté de la poignée par un épaulement 3e du corps 3 (voir figure 7).In passage 7 is arranged so as to rotate around the X axis without move axially, a control core 13 (see Figures 4 to 8) provided of a square orifice 13a and, on two opposite sides, projections or pins of rounded command 14 of small radial width which are attached to the part of the core where the orifice opens out by an abutment facet 14a parallel to X and by an oblique facet 14b. The nucleus is retained in the X direction from the side of the handle by a shoulder 3e of the body 3 (see FIG. 7).

Un coulisseau 16 est disposé mobile parallèlement à X et est guidé dans le corps 3 par des nervures 17 coopérant avec des rainures appropriées du corps. Le coulisseau présente vers l'avant une tête à réceptacle cylindrique 18 agencée pour coopérer avec le noyau 13 et présentant une section droite sensiblement identique à celle du noyau 13. Le réceptacle cylindrique 18 est muni de couples d'encoches de came opposées 19,20 réparties autour de l'axe X et dont les profils sont agencés pour coopérer avec les saillies de commande 14. L'épaisseur de paroi du réceptacle correspond sensiblement à la largeur radiale des saillies 14.A slide 16 is disposed movable parallel to X and is guided in the body 3 by ribs 17 cooperating with appropriate grooves of the body. The slide has a cylindrical receptacle head forward 18 arranged to cooperate with the core 13 and having a cross section substantially identical to that of the core 13. The cylindrical receptacle 18 is provided with pairs of opposing cam slots 19.20 distributed around the X axis and whose profiles are arranged to cooperate with the projections of control 14. The wall thickness of the receptacle corresponds substantially to the radial width of the projections 14.

Il convient de noter que chaque encoche "marche" 19 est plus profonde dans la direction X que l'encoche voisine "arrêt" 20, décalée en rotation autour de l'axe X de 90° par rapport à l'encoche 19 et que le fond de chaque encoche 19,20 est prévu pour s'appliquer contre la saillie de commande 14. L'encoche 19 a un côté droit 19a, orienté selon la direction principale X' et un côté oblique 19b sensiblement parallèle à la facette 14b. Il en est de même pour l'encoche 20 qui présente un côté droit 20a orienté selon X et un côté oblique 20b. Le côté oblique 20b rencontre le côté oblique 19b en un sommet de rebroussement 18a. Les côtés droits 19a,20a coopèrent avec la facette de butée 14a du noyau 13 pour en arrêter la rotation et le sommet 18a assure la transition d'une encoche à l'autre lors de la rotation de la manette. Le coulisseau 16 est doté de rainures 16a ouvertes vers le socle, chaque rainure logeant un pont mobile de contact 21 et l'extrémité supérieure d'un ressort de pression de contact 22 associé au pont. Chaque ressort 22 est appliqué à son extrémité opposée contre une paroi inférieure 2f du socle 2. Le coulisseau 16 comprend latéralement des ouvertures 23 pour entraíner un contact mobile d'un additif 12.It should be noted that each "step" notch 19 is deeper in the direction X that the neighboring notch "stop" 20, offset in rotation around the X axis by 90 ° relative to the notch 19 and that the bottom of each notch 19.20 is provided to be applied against the control projection 14. The notch 19 has a right side 19a, oriented in the main direction X 'and an oblique side 19b substantially parallel to the facet 14b. So is even for the notch 20 which has a right side 20a oriented along X and a oblique side 20b. The oblique side 20b meets the oblique side 19b in a cusp top 18a. The straight sides 19a, 20a cooperate with the abutment facet 14a of the core 13 to stop the rotation and the top 18a ensures the transition from one notch to another during the rotation of the controller. The slide 16 has grooves 16a open towards the base, each groove housing a movable contact bridge 21 and the end upper of a contact pressure spring 22 associated with the bridge. Each spring 22 is applied at its opposite end against a lower wall 2f of the base 2. The slide 16 laterally comprises openings 23 to cause a mobile contact of an additive 12.

Le coulisseau est sollicité de plus vers le noyau par deux ressorts latéraux auxiliaires 24, enfilés d'un côté sur des canons 16b du coulisseau et en appui de l'autre côté sur la paroi 2f du socle. Le coulisseau est donc appliqué contre le noyau par l'effort produit par les ressorts de pression de contact 22 et les ressorts auxiliaires 24. On comprend que les ponts de contact peuvent être facilement introduits au montage dans les rainures 16a parallèlement à la direction principale X'. Le fond 2f du socle 2 présente des conformations appropriées 2g pour loger les extrémités des ressorts 22,24.The slide is further biased towards the core by two lateral springs auxiliaries 24, threaded on one side on canons 16b of the slide and in support on the other side on the wall 2f of the base. The slide is therefore applied against the core by the force produced by the pressure springs of contact 22 and the auxiliary springs 24. It is understood that the bridges of contact can be easily introduced for mounting in the grooves 16a parallel to the main direction X '. The bottom 2f of the base 2 has suitable conformations 2g to accommodate the ends of the springs 22,24.

Dans des parois latérales 3a,3b du corps 3 qui sont en regard des parois 2a,2b du socle sont prévus des passages dans lesquels sont insérés des pièces de contact fixe 25 de façon à être situées au niveau de l'avant des passages 5 et à coopérer avec les ponts de contact mobiles 21. Chaque borne 6 présente une cage 26 située dans la cavité 6a, s'ouvrant vers un passage respectif 5 et dotée d'une part vers l'avant d'un orifice taraudé 27, d'autre part vers l'arrière d'un orifice taraudé 28. Des vis respectives 29,30 manoeuvrables de l'avant par une ouverture 31 du corps et vers l'arrière par une ouverture 32 du socle sont associées aux orifices 27,28.In side walls 3a, 3b of the body 3 which are opposite the walls 2a, 2b of the base are provided with passages in which are inserted fixed contact parts 25 so as to be located at the front of the passages 5 and to cooperate with the movable contact bridges 21. Each terminal 6 has a cage 26 located in the cavity 6a, opening towards a respective passage 5 and provided on the one hand towards the front with a threaded orifice 27, on the other hand towards the rear of a tapped hole 28. Respective screws 29.30 maneuverable from the front by an opening 31 in the body and rearwards by an opening 32 of the base are associated with the orifices 27, 28.

La manoeuvre de serrage d'un conducteur inséré dans la passage 5 s'effectue par déplacement vers l'avant de la cage ou d'une vis. Lorsque la manoeuvre est causée par la vis 29, cette vis reste fixe en translation par arrêt contre un voile de butée 3f du corps 3 et la cage se déplace vers l'avant de l'interrupteur de manière que le conducteur soit serré entre la cage et la pièce 25. Lorsque la manoeuvre est causée par la vis 30, cette vis se déplace en translation , tandis que la cage reste fixe et le conducteur est serré entre l'extrémité de la vis et la pièce 25. Les ouvertures 32 débouchent à l'arrière du socle dans la zone des éléments de fixation 2e du socle 2 à un profilé normalisé.The tightening operation of a conductor inserted in passage 5 is carried out by moving the cage or a screw forward. When the maneuver is caused by the screw 29, this screw remains fixed in translation by stop against a stop veil 3f of the body 3 and the cage moves towards the front of the switch so that the conductor is clamped between the cage and the part 25. When the maneuver is caused by the screw 30, this screw moves in translation, while the cage remains fixed and the conductor is clamped between the end of the screw and the part 25. The openings 32 open at the rear of the base in the area fixing elements 2e of the base 2 to a standardized profile.

Les additifs 12 comportent dans un boítier 33 des bornes 34 à deux vis similaires ou identiques aux bornes à deux vis 6 de l'interrupteur. L'additif peut présenter un pont de contact dont le mouvement est commandé par un élément dialoguant via la fente 6a avec l'ouverture 23 du coulisseau 16. Le boítier 33 de l'additif présente vers l'avant des orifices 35 et vers l'arrière des orifices 36 pour manoeuvrer les bornes 34. De préférence, l'additif 12 est agencé et monté retournable contre la paroi 2c,2d de manière à pouvoir occuper deux positions à 180° l'une de l'autre et à constituer ainsi dans la première position un additif à ouverture et dans la deuxième position un additif à fermeture.Additives 12 have terminals 34 with two screws in a housing 33 similar or identical to the two screw terminals 6 of the switch. The additive may have a contact bridge whose movement is controlled by a element interacting via the slot 6a with the opening 23 of the slide 16. The housing 33 of the additive has holes 35 towards the front and towards the rear orifices 36 for operating the terminals 34. Preferably, the additive 12 is arranged and mounted returnable against the wall 2c, 2d so as to be able occupy two positions 180 ° from each other and thus constitute in the first position an additive with opening and in the second position a closing additive.

L'assemblage et le fonctionnement de l'interrupteur vont être expliqués en regard des figures 4 à 8.The assembly and operation of the switch will be explained in see Figures 4 to 8.

Les pièces de contact fixe étant insérées dans le corps 3, et les bornes 6 introduites dans les cavités latérales 6a du corps, les sous-ensembles constitués par le noyau de commande 13 et le coulisseau 16 avec les ressorts de pression de contact 22 et les ressorts auxiliaires 24 est engagé dans le passage 7, puis le socle 2 est emmanché et encliqueté sur le corps 3 en emprisonnant les bornes. La poignée 4 peut ensuite être rapportée.The fixed contact parts being inserted in the body 3, and the terminals 6 introduced into the lateral cavities 6a of the body, the sub-assemblies constituted by the control core 13 and the slide 16 with the contact pressure springs 22 and the auxiliary springs 24 is engaged in passage 7, then the base 2 is fitted and snapped onto the body 3 by trapping the terminals. The handle 4 can then be added.

Lorsque l'interrupteur est en position ou arrêt (figure 4), le sommet de la saillie de commande 14 est appliqué contre le fond de l'encoche de faible hauteur 20, de sorte que le coulisseau est repoussé vers le fond du socle 2, et les ressorts 22,24 sont comprimés. Les ponts de contact 21 sont appliqués contre le fond des rainures 16a du par les ressorts 22. When the switch is in the on or off position (Figure 4), the top of the control projection 14 is applied against the bottom of the low notch height 20, so that the slide is pushed towards the bottom of the base 2, and the springs 22, 24 are compressed. The contact bridges 21 are applied against the bottom of the grooves 16a due to the springs 22.

Lorsque l'interrupteur vient en position marche (figure 5) par rotation de 90° de la poignée 4, le sommet de la saillie de commande 14 dépasse le point de rebroussement 18a situé entre les encoches 19,20, puis est appliqué contre le fond de l'encoche de grande hauteur 19, car les ressorts 22,24 repoussent le coulisseau en direction de la poignée 4 ; les ponts de contact 21 sont dès lors appliqués sur les pièces de contact fixe et se dégagent d'une faible distance du fond des rainures 16a.When the switch comes on (Figure 5) by 90 ° rotation of the handle 4, the top of the control projection 14 exceeds the point cusp 18a located between the notches 19,20, then is applied against the bottom of the very high notch 19, because the springs 22, 24 push the slide back towards the handle 4; contact bridges 21 are therefore applied to the fixed contact parts and are released a short distance from the bottom of the grooves 16a.

Claims (7)

  1. Multipole electric switch with rotary control, comprising a housing with which a rotary control knob (4) is associated and that houses several mobile contact bridges (21) arranged in a slide (16), the slide being moved in translation by the rotary knob through a cam device fitted with a core (13) fixed in rotation to the knob and cooperating with the slide,
    the slide housing the contact bridges has a head with a cylindrical receptacle (18) for the core,
    the cam device comprises firstly at least two notches (19, 20) offset around the rotation axis (X) of the handle, and secondly at least one control projection (14) applied in the Off position at the bottom of one of the notches and in the On position at bottom of the other notch by the spring force (24) acting on the slide, to achieve cooperation between the core and the slide,
    pairs of notches (19, 20) are provided in the cylindrical receptacle (18) and a pair of control projections (14) is provided on the cylindrical core (13), the notches having unequal heights in the main direction (X') of the switch parallel to the rotation axis (X) of the handle (4c) of the knob (4),
       characterised by the fact that:
    the cylindrical core (13) and the head (18) have approximately equal diameters, and
    the control projections (14) have a stop facet (14a) parallel to the main direction (X') to cooperate with a straight side (19a) of the notches (19), and an oblique facet (14b) to cooperate with an oblique side (19b) of the notches (19).
  2. Switch according to claim 1, characterised by the fact that an "On" notch (19) is deeper than the adjacent "Off" notch (20) and it has an oblique side (19b) that comes into contact with an oblique side of the "Off" notch at a pusher projection (18a).
  3. Switch according to claim 1, characterised by the fact that the slide (16) comprises grooves (16a) open in the main direction (X') opposite the knob (4) and housing the contact bridges (21) inserted along this direction, the contact pressure springs (22) being applied firstly on the housing (1) and secondly on the bridges, and contributing to forcing the control projection (14) into contact with the notches.
  4. Switch according to claim 3, characterised by the fact that the auxiliary springs (24) are applied firstly on the housing (1), and secondly on the slide (16), to contribute to forcing the control projections (14) into contact with the notches.
  5. Switch according to claim 1, characterised by the fact that connection terminals (6) accessible from the front and the back in the main direction (X') are provided in the housing (1), and that the housing (1) comprises a base (2) and a body (3), the connection terminals (6) each having an opening (31) formed in the body near the front and an opening (32) formed in the base near the back.
  6. Switch according to claim 5, characterised by the fact that the terminals (6) comprise a cage (26) with which two screws (29, 30) are associated, mounted so that one of the screws (29) remains fixed in translation and that the other screw (30) moves in translation, in order to tighten a conductor.
  7. Switch according to claim 1, characterised by the fact that the housing (1) comprises a passage (7) for an actuation rod (4d) specific to the knob (4), the knob being made with click fit forms (4a) on a contact surface (4b) designed to cooperate with elastic click fit elements (8) located in the passage.
EP98400433A 1997-02-26 1998-02-23 Multipolar electrical switch Expired - Lifetime EP0863523B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19707563A DE19707563C2 (en) 1997-02-26 1997-02-26 Switching device
DE19707563 1997-02-26

Publications (3)

Publication Number Publication Date
EP0863523A2 EP0863523A2 (en) 1998-09-09
EP0863523A3 EP0863523A3 (en) 1999-08-11
EP0863523B1 true EP0863523B1 (en) 2004-08-04

Family

ID=7821453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400433A Expired - Lifetime EP0863523B1 (en) 1997-02-26 1998-02-23 Multipolar electrical switch

Country Status (4)

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US (1) US6072128A (en)
EP (1) EP0863523B1 (en)
DE (2) DE19707563C2 (en)
ES (1) ES2226078T3 (en)

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DE202006017882U1 (en) * 2006-11-22 2007-03-01 Cedes Ag Cartridge e.g. electronic control cartridge, for safety device e.g. light grid, has housing with rear mounting side and connector area on front side, where additional connector area is formed between front side and rear mounting side
GB0707730D0 (en) * 2007-04-21 2007-05-30 Eja Ltd Contact block
DE102008004747B3 (en) * 2008-01-16 2009-08-27 R. Stahl Schaltgeräte GmbH Gang cam switch
JP5095691B2 (en) * 2008-10-27 2012-12-12 富士電機機器制御株式会社 Push-button switch
CN102737895A (en) * 2012-07-16 2012-10-17 温县供电有限责任公司 Rotary switch
USD738322S1 (en) * 2012-07-16 2015-09-08 Abb Oy Cam switch
US10283290B2 (en) 2017-04-28 2019-05-07 Carling Technologies, Inc. Rotary switch employing keypad or similar mechanism for position indication
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Also Published As

Publication number Publication date
DE19707563C2 (en) 1999-02-11
DE69825342T2 (en) 2005-01-13
DE69825342D1 (en) 2004-09-09
ES2226078T3 (en) 2005-03-16
EP0863523A3 (en) 1999-08-11
EP0863523A2 (en) 1998-09-09
US6072128A (en) 2000-06-06
DE19707563A1 (en) 1998-10-01

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