EP1747567B1 - Bouton rotatif pour circuit electrique - Google Patents

Bouton rotatif pour circuit electrique Download PDF

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Publication number
EP1747567B1
EP1747567B1 EP05717027A EP05717027A EP1747567B1 EP 1747567 B1 EP1747567 B1 EP 1747567B1 EP 05717027 A EP05717027 A EP 05717027A EP 05717027 A EP05717027 A EP 05717027A EP 1747567 B1 EP1747567 B1 EP 1747567B1
Authority
EP
European Patent Office
Prior art keywords
maneuvering member
driving part
rotary knob
rotary
cup
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
EP05717027A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1747567A1 (fr
Inventor
Hugues Da Dalt
Patrice Thizon
Bertrand Fruchard
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 Industries SAS
Original Assignee
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
Priority claimed from FR0403265A external-priority patent/FR2868592B1/fr
Priority claimed from FR0403266A external-priority patent/FR2868593B1/fr
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Priority to PL05717027T priority Critical patent/PL1747567T3/pl
Publication of EP1747567A1 publication Critical patent/EP1747567A1/fr
Application granted granted Critical
Publication of EP1747567B1 publication Critical patent/EP1747567B1/fr
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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/04—Cases; Covers
    • H01H21/08—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • Y10T74/20834—Hand wheels
    • Y10T74/2084—Knob or dial
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2107—Follower

Definitions

  • the present invention relates to a rotary knob for an electric circuit, comprising a body adapted to mount a rotary actuator, in particular a handle or a rotor controlled by a key, and to house a control part for switching contacts.
  • the operating member is provided with a tail to move the control part, and the body also serves as a support for at least one electrical block of contacts, switchable in response to the rotation of the organ. maneuvering via at least one axial displacement slider.
  • the operating member is mounted on the body to rotate about an axis with a limited angular movement, to take at least two functional positions maintained or fugitive. Rotating knobs of this type are well known (see, for example, documents DE 34 12,518 and DE 35 41 390 ).
  • the operating member is rotatably connected to a cam control member adapted to actuate the slider (s), and the body is adapted to receive the handle in a sealed manner, to serve as a support for the electric blocks and to accommodate the control room and the sliders.
  • buttons sometimes have the disadvantage that, while the operating member is placed in one of its functional positions, a slight force exerted on this member may be sufficient to blow a cam of the notch and to switch the button. Inadvertently.
  • US Patent 3247349 discloses a rotary knob according to the preamble of claim 1.
  • the invention aims, in a rotary knob of the type described, to overcome the drawbacks of the prior art, by proposing a button ensuring a satisfactory guidance of the rotating part with the aid of means giving the button a minimal bulk, especially in height, and facilitating assembly.
  • Another object of the invention is to provide means for improving the sealing of such buttons.
  • the invention consists of a rotary knob according to claim 1.
  • the resulting arrangement provides the desired sensitivity while maintaining a small footprint.
  • the tail of the operating member and the control member may advantageously each have a cylindrical seat for centering, in the central opening of the sleeve, the rotating crew composed of maneuvering member and the control part.
  • control part can be mounted by means of snap shapes on the tail of the operating member and provide a shoulder associated with its scope to be applied axially against a face d body support.
  • the ring may have a diametral size corresponding to that of the bowl, and the cam shapes provided on their respective peripheries may be provided with notches corresponding to the functional positions maintained by the actuating member.
  • the rotary assembly formed by the tail of the operating member and the control part, can carry a lip seal of small diameter which cooperates in rotation with the central opening of the cylindrical sleeve substantially at the level of the bowl.
  • the sealing device comprises a guard ring intended to retain the sensitivity ring and housed in the stepped annular space of the body.
  • the handle head may be provided with a recess annular flange being received in the stepped annular space of the body.
  • the annular flange of the handle and the guard ring define between them a first radial annular gap between the flange and the annular flange and a second radial annular gap between the annular flange and the cylindrical skirt, the two interstices forming a series baffle sealing.
  • the crown helps to form dam against the introduction of dust, polluting elements or projections inside the body of the rotating knob, and all the two interstices prevents, under the usual conditions of use, to resort to a large diameter seal.
  • the sealing device may consist of a conventional lip seal provided in the stepped annular space.
  • the compression spring housed in the bowl may advantageously have a height substantially of the same order as the height of the cylindrical sleeve.
  • the rotary knob 1 ', 1' illustrated in the figures comprises a body 10 which carries a rotating actuator member about an axis X.
  • the member 20 is a joystick, but it can also be a barrel operable by a key.
  • the body 10 of the button is intended to be fixed in an opening formed in a panel or a wall P, for example by means of a usual fixing base S.
  • C electric contact blocks are secured to the body or the base to be switched according to the position given to the handle 20.
  • the handle 20 is mounted in the rotating body with a limited angular movement, to take at least two functional positions maintained or fugitive.
  • the body 10 of the button has a flared top portion 10a and a narrower bottom control portion 10b.
  • the lower part 10b of the body has rectilinear shapes for guiding sliders 11 which move in translation, in response to the rotation of the handle and under the action of a control part 50 coupled in rotation to the handle.
  • the sliders 11 move parallel to the axis X, to apply on pushers specific to the blocks C.
  • the pushers are pushed towards the sliders 11 by individual springs.
  • the handle 20 has in its gripping head 21, embedded therein, a display index 60, for the purpose of locating the angular position of the joystick. This index 60 comes for example snap into a slot formed in the plane of the gripping head 21.
  • the flared portion 10a of the body is provided with an outer cylindrical flange 12 and an inner cylindrical sleeve 13, the latter defining a central opening 14.
  • the flange 12 and the sleeve 13 define between them a bowl 15 which houses , in a first embodiment of the invention a helical compression spring R of X axis ( Figures 2 to 6) or - in a second embodiment which will be described later - a torsion spring R '( Figures 7 and 8).
  • the body 10 comprises a sliding sensitivity ring 30 biased in translation by the compression spring R.
  • the compression spring R is applied firstly to the bottom of the bowl 15 and secondly against the sensitivity ring 30 to urge it in the axial direction.
  • the handle 20 has a gripping head 21 having the shape of an ear formed in an axial plane.
  • the lever 20 further comprises a central tail 22 which connects to the head and extends in axial direction to pass through the central opening 14, the control part 50 being snap-fastened to the shank 22.
  • the handle 20 has a centering surface 23 (FIG. 6) which is applied against the inner face of the sleeve 13 and which has an annular groove or shoulder for receiving a lip seal 24 which provides a good seal with the inner face of the sleeve.
  • a groove 29 (FIGS. 4A to 4D) provided on the periphery of the gripping head 21 of the handle is adapted to house a sealing device 25 such as a conventional lip seal (see FIG. the inner face of the flange 12 of the body.
  • the lip seal is used if one tolerates a certain total resistant force.
  • the sealing device 25 may consist of a baffle provided towards the flange 12, for example formed by a guard ring 40 (FIG. 9) housed in an annular space 16 concentric to the bowl 15, staggered with respect thereto. This guard ring may be provided in place of the aforementioned lip seal or in addition thereto as shown in FIG. 9.
  • the gripping head 21 of the handle has on its inner periphery forms of actuation 26 which cooperate with the ring 30.
  • the tail 22 of the handle has indexing shapes of the control part 50 (for example square as shown in Figure 6) and latching shapes 27 on which engage respective shapes of the part 50.
  • the sensitivity ring 30 has notches 31 or other similar hollow or raised shapes that allow it to slide axially against two rails 12a (4A) of the body 10 formed in the annular space 16 stepped; it should be noted that these slides can be provided also on the guard ring 40 above.
  • the ring 30 has forms 32 provided to cooperate with the actuating forms 26 of the joystick. These shapes 32 have (see FIG. 5) slopes 32a and notches 32b corresponding to the desired functional positions of the button.
  • the control part 50 (FIG. 4B) has the shape of a tubular piece having at its upper part a centering surface 55 in the opening 14 defined by the internal sleeve 13 of the body 10 and at its lower part of the cam shapes. to actuate the sliders 11. It also has an internal sleeve 51 of square and constant cross section in which is inserted the tail 22 of the handle 20. Snap forms 56 are provided on the inner surface of this sleeve 51 for cooperate with the corresponding latching shapes 27 of the tail 22 of the joystick.
  • the control part 50 further comprises a coaxial outer cylindrical skirt 53 having a lower rim 52 whose contour defines the cam shapes.
  • the skirt 53 forms with the centering surface 55 an annular shoulder 54 defining a transverse surface vis-à-vis the lower flange of the inner sleeve 13 of the body 10.
  • the guard ring 40 (FIG. 10) has a flange 41 fixed, for example force-fitted, against the bottom of the bowl 15, and a cylindrical skirt 42 provided with two diametrically opposed notches 43 which allow the crown 40 of sit on the sliding projections 12a (Figure 10 shows for this purpose at its lower part a portion of the ring 40 inserted into the body 10).
  • the skirt 42 provides abutments 44, for example in the form of claws or tenons, which then retain the ring 30 against the spring R ( Figure 9).
  • the assembly and operation of the rotary knob 1 according to the invention will be explained for the sensitivity ring embodiment.
  • the spring R is placed at the bottom of the bowl 15 and the ring 30 is threaded onto the projecting rails 12a.
  • the subassembly body / spring / ring 10,30, R is then ready to receive the handle 20, reported from above in the body, then the control part 50 which is attached from below and snapped onto the tail 22 of the lever and resting by its shoulder 54 on the lower flange of the sleeve 13.
  • the centering surfaces 23, 55 of the lever 20 and the part 50, located on both sides of the lip seal 24, ensure a perfect guide of the crew turning 20,50.
  • the forms of operation 26 cooperate with the cam shapes 32 of the ring 30 during rotation; the pressure then exerted on the spring R causes a reaction force felt by the operator.
  • the lever reaches the desired stable position, the spring pushes a notch 32b of the ring to the corresponding shape 26, so that the position remains maintained, and the axial movement of the ring remains limited by the handle 20 ( Figure 4B) .
  • the tightness of the interior of the button is guaranteed by the lip seal 24 and possibly, if it is present, by the sealing device 25.
  • the seal 24 is of small diameter and therefore causes a minimal resistance effort.
  • the rotary knob 1 ' is said to return and uses a torsion spring R' instead of the compression spring R.
  • This is fixed on the one hand to bottom of the bowl 15 and secondly to the handle 20 to recall it in rotation.
  • the body has an intermediate inner collar 17 separating the bowl 15 from the annular space 16 defined above.
  • the handle 20 has a re-entrant skirt 28 in the annular space 16. The presence of the sleeve 13 and the intermediate flange framing the spring R ', combined with the presence of the re-entrant skirt 28 of the handle, produce the desired seal.
  • the other characteristics of the rotary knob 1 'to return are identical to those of the rotary knob 1 positions.

Landscapes

  • Mechanical Control Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)
  • Polarising Elements (AREA)
  • Adjustable Resistors (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP05717027A 2004-03-30 2005-03-14 Bouton rotatif pour circuit electrique Active EP1747567B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05717027T PL1747567T3 (pl) 2004-03-30 2005-03-14 Obrotowy przełącznik dla obwodu elektrycznego

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0403265A FR2868592B1 (fr) 2004-03-30 2004-03-30 Bouton rotatif pour circuit electrique
FR0403266A FR2868593B1 (fr) 2004-03-30 2004-03-30 Bouton tournant etanche
PCT/EP2005/051144 WO2005106908A1 (fr) 2004-03-30 2005-03-14 Bouton rotatif pour circuit electrique

Publications (2)

Publication Number Publication Date
EP1747567A1 EP1747567A1 (fr) 2007-01-31
EP1747567B1 true EP1747567B1 (fr) 2007-10-24

Family

ID=34962088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05717027A Active EP1747567B1 (fr) 2004-03-30 2005-03-14 Bouton rotatif pour circuit electrique

Country Status (12)

Country Link
US (1) US7870810B2 (pl)
EP (1) EP1747567B1 (pl)
AT (1) ATE376705T1 (pl)
AU (1) AU2005239054B2 (pl)
BR (1) BRPI0509519B1 (pl)
DE (1) DE602005003022T2 (pl)
DK (1) DK1747567T3 (pl)
ES (1) ES2294689T3 (pl)
MX (1) MXPA06011133A (pl)
PL (1) PL1747567T3 (pl)
PT (1) PT1747567E (pl)
WO (1) WO2005106908A1 (pl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2882463B1 (fr) * 2005-02-24 2007-03-30 Schneider Electric Ind Sas Bouton tournant a serrure
DE102005023159A1 (de) * 2005-05-19 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Schaltervorrichtung, insbesondere Drehschaltervorrichtung
IT1404166B1 (it) * 2011-02-04 2013-11-15 Whirlpool Co Dispositivo di comando a scomparsa perfezionato per elettrodomestico
US8336754B2 (en) 2011-02-04 2012-12-25 Covidien Lp Locking articulation mechanism for surgical stapler
US8573463B2 (en) 2011-03-31 2013-11-05 Covidien Lp Locking articulation mechanism
USD738324S1 (en) 2012-07-16 2015-09-08 Abb Oy Cam switch
KR20150120120A (ko) 2014-04-17 2015-10-27 삼성전자주식회사 상하운동이 가능한 회전 노브 조립체
EP3035357B1 (de) * 2014-12-19 2017-07-19 Siemens Aktiengesellschaft Modulares elektromechanisches Schaltelement
US10528073B2 (en) * 2015-03-04 2020-01-07 Snap-On Incorporated Rotatable control device with axial translation
EP3433696B1 (en) 2016-03-24 2021-05-12 Electrolux Home Products PTY Limited Gas knob skirt retainer
JP6342973B2 (ja) * 2016-11-24 2018-06-13 ファナック株式会社 手動パルス発生装置
USD845107S1 (en) * 2018-01-16 2019-04-09 Caterpillar Inc. Knob
US11137791B2 (en) 2019-07-29 2021-10-05 Whirlpool Corporation Knob assembly
US11116501B1 (en) * 2020-04-10 2021-09-14 Lexington Medical, Inc. Surgical handle articulation assemblies

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Publication number Priority date Publication date Assignee Title
US3247349A (en) 1963-12-04 1966-04-19 Cutler Hammer Inc Operating mechanism for limit switch using ball and cam means
US3517570A (en) * 1968-08-07 1970-06-30 Honeywell Inc Multi-position rotary actuating mechanism
DE1946887B2 (de) 1969-09-16 1972-04-13 Siemens AG, 1000 Berlin u. 8000 München Rastwerk mit spring-return-vorrichtung und drehbereichbegrenzung fuer drehschalter
US3770926A (en) * 1972-07-27 1973-11-06 Allen Bradley Co Selector switch actuator with part of detent means integral with actuator cam
US3919506A (en) * 1974-05-03 1975-11-11 Westinghouse Electric Corp Detachably mounted cam operator for multiple reciprocating contact switch assembly
DE3128405C2 (de) 1981-07-17 1983-12-08 Tibbe KG, 8065 Erdweg Zündanlaßschalter für Kraftfahrzeuge
DE3412517A1 (de) 1984-04-04 1985-10-17 Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn Befehlstaste mit drehantrieb
CH666765A5 (de) * 1985-02-08 1988-08-15 Sprecher & Schuh Ag Mit einer drehbaren handhabe versehene betaetigungsvorrichtung fuer tastschalter.
US5862715A (en) 1995-12-18 1999-01-26 Electronic Hardware Corp. Tactile detent knob
DE19707563C2 (de) * 1997-02-26 1999-02-11 Schneider Electric Gmbh Schaltvorrichtung
FR2882463B1 (fr) * 2005-02-24 2007-03-30 Schneider Electric Ind Sas Bouton tournant a serrure

Also Published As

Publication number Publication date
US7870810B2 (en) 2011-01-18
AU2005239054A1 (en) 2005-11-10
PT1747567E (pt) 2007-11-23
US20070199806A1 (en) 2007-08-30
EP1747567A1 (fr) 2007-01-31
ATE376705T1 (de) 2007-11-15
BRPI0509519B1 (pt) 2017-06-06
DE602005003022D1 (de) 2007-12-06
WO2005106908A1 (fr) 2005-11-10
MXPA06011133A (es) 2007-01-25
BRPI0509519A (pt) 2007-12-18
DK1747567T3 (da) 2008-03-03
DE602005003022T2 (de) 2008-08-07
ES2294689T3 (es) 2008-04-01
PL1747567T3 (pl) 2008-04-30
AU2005239054B2 (en) 2009-06-25

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