EP1302956A1 - Positionsschalter mit rotierendem Kopf - Google Patents

Positionsschalter mit rotierendem Kopf Download PDF

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Publication number
EP1302956A1
EP1302956A1 EP02079285A EP02079285A EP1302956A1 EP 1302956 A1 EP1302956 A1 EP 1302956A1 EP 02079285 A EP02079285 A EP 02079285A EP 02079285 A EP02079285 A EP 02079285A EP 1302956 A1 EP1302956 A1 EP 1302956A1
Authority
EP
European Patent Office
Prior art keywords
head
notches
housing
recess
axis
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
EP02079285A
Other languages
English (en)
French (fr)
Other versions
EP1302956B1 (de
Inventor
Michel Rochard
Didier c/o Schneider Electric Ind. SAS Severac
Kok c/o Schneider Electric Ind. SAS Kong Liow
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
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1302956A1 publication Critical patent/EP1302956A1/de
Application granted granted Critical
Publication of EP1302956B1 publication Critical patent/EP1302956B1/de
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
    • 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
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • 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
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H2021/287—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift with adjustable head, e.g. the actuator head can have different positions in relation to the limit switch itself

Definitions

  • the present invention relates to a switch, in particular a switch position, comprising a housing in which are housed a movable member translation and an electrical switch assembly operable by this member, while that a control head is removably and angularly variable in a recess of the housing which opens on a mounting face of the housing, the operating head having a tubular bearing which houses an actuated pusher directly or indirectly by an object and able to slide along the axis of translation to cooperate with the movable member.
  • the head has a rotating part operable by a lever and a pusher actuated by the rotating part to cooperate with the organ displaceable.
  • the adjustment of the angular position of the head is obtained by means of a expensive device with pinion and rack.
  • the document FR 2 785 985 shows a position switch whose head can be adjusted angularly by means of an indexing sleeve and a washer of positioning
  • the object of the invention is to provide a very simple and space-saving way of great flexibility of use at a switch, in particular of position or safety, by a positive angular adjustment of the operating head.
  • the tubular bearing may advantageously have an abutment shoulder applicable on the mounting face, the external notches of the tubular bearing being provided below the shoulder and radially recessed from it.
  • the internal notches of the recess may be formed by a toothed crown molding and located at the outlet of the recess, or reported in the recess.
  • a fork to axially fix the head and confirm the commitment of the notches can be engaged in a slot of the housing to cooperate with a groove ring of the tubular bearing of the head.
  • the range can be retained fixing position by holding means, in particular a lock. of the marks provided on the branch of the maneuvering head which is directed along the axis translation and on the upper mounting face at the edge of the recess make it easy to visualize the angular position of the head.
  • the invention also relates to a pivoting lever position switch offering the faculty a double angular adjustment of the head relative to the housing, and a lever pivoting maneuver relative to the head; this by means of a head-shaped L whose two branches have notches provided regular pitch, the head being mounted by its first branch in notches planned at regular steps on the periphery of the recess, the lever being mounted on the second branch of the head and having respective notches provided at regular pitch.
  • the position switch comprises a housing 10 having at its upper part 10a a operating head 20 and at its lower part 10b of a wiring connection 11.
  • the housing has a generally parallelepipedic general shape and consists of a body which is closed by a front cover and which houses a switch assembly 12 which connects the connector 11.
  • a member 13 is movably mounted in translation in the housing along an axis X1 to actuate the switch assembly 12 in response to the movement of a rotatably mounted lever 30 on the head 20 around a X2 axis perpendicular to X1.
  • wiring connection 11 is arranged so removable and interchangeable in a corner of the lower part 10b of the housing, of to allow various types of connection and various orientations of the cable 11a.
  • the actuating head 20 has a general shape of L, of which a branch 20X2, of axis X2, houses a rotating part 21 with a cam 22 (see FIG. 3) and whose other branch 20X1, axis X1 perpendicular to X2, has a push rod 23 biased in the direction down through the cam 22 of the piece 21 and in the upward direction by a spring of 24.
  • the branch 20X1 of the actuating head 20 narrows into a tubular bearing 25 which fits into a recess 14 (see FIG. 4) opening onto a substantially flat face 10c located at the upper part 10a of the housing.
  • the bearing 25 has an annular groove 26 and a seal 27 which ensures the tight fitting of the head in the recess 14. It also presents an annular abutment shoulder 25a which bears on the upper face 10c housing, this face being flat or slightly curved. The taking of support the shoulder is made on the edge of the recess 14.
  • the annular groove 26 cooperates a fork 15 which constitutes a key prohibiting the extraction of the head in the X1 direction.
  • the fork 15 is inserted according to a frontal direction F in a slot 16 provided at the front of the housing (see Figure 6).
  • the fork is shown in FIG. 1 in a locking position of the head 20 and in FIG. 2 in a position allowing the release of the head (which can then to be extracted according to X1). It is depressed according to the arrow F to go from its release position at its blocking position.
  • FIG. 6 illustrates the lock 40 released from the housing for a better comprehension.
  • the lock 40 comprises a locking tab 41 applicable against the apparent edge 15a of the fork to lock it; the lock also comprises an eyelet or lug 42 integral with the tongue 41.
  • the eyelet 42 is housed in a cylindrical housing 10d housing 10 so as to be able to rotate around the axis of the housing and it is likely to be immobilized by a screw 43 whose head is housed in housing 10d.
  • the screw also ensures known fixing the housing on a support not shown.
  • the latch 40 is a simple metal piece cut and folded and practically not protruded by compared to the outline of the housing, except its thickness of sheet, to allow a easy maneuvering.
  • the lock pivots around the recess axis to move from its unlocking position (FIGS. 2 and 6) at its locking position (FIGS. and 5) and vice versa.
  • the movement of the lock is guided by the cooperation of a claw 44, provided on a return of the tongue 41, with a notch 10th of the part high 10a housing.
  • the branch 20X1 of the operating head 20 can be provided over all its circumference of notches or external teeth C1 distributed at low and regular angular pitch to allow a fine adjustment of the angular position of the head.
  • the notches can then mesh with C2 internal complementary notches provided for in low number (for example four), but with the same step or even a multiple step, on a portion of circular sector of the recess 14, at the outlet of this recess.
  • the notches have a small radial extension and their meshing is made by engagement in direction X1.
  • the notches C1 are in small numbers (for example two groups of four notches opposite to 180 °) on the connection 25, while the notches C2 are provided in a ring on all the periphery of the recess 14 at the immediate outlet of this recess on the face.
  • the notches C1 are set back from the external template of the branch 20X1 of the head.
  • the pitch is for example 15 °.
  • the lever 30 usually carries at its free end a roller 30a on which abut the object that operates the switch and it is fixed by a screw 31 of axis X2 to the rotating part 21.
  • the lever 30 has a hole 32 of axis X2 so as to engage on a cylindrical surface 28 of the rotating part 21 so angularly adjustable by means of indexing notches.
  • the lever 30 present towards the piece 21 on the periphery of the hole 32 of the internal notches C3 distributed with a regular pitch, equal to the pitch of the notches C1, C2 or different from this step, and the piece 21 presents on the span 28 C4 external notches as well as the C3 notches, or multiple steps.
  • the lever 30 and the span 28 are made of materials resistant so that the teeth C3, C4 support the efforts communicated by the the sink.
  • Brands M1, M2 are provided on the head and on the upper face 10c of the housing to indicate the angular position of the head relative to the housing; brands can be provided on the lever and the rotating part to indicate the position angular rest of the lever.
  • the head of the position switch does not include a lever, but only a pusher 50 endowed at the top of his tubular connection 25 of notches C1 in reduced number (for example four), while the recess 14 of the housing 10 presents near its outlet and inside a toothed crown 17 in crown providing C2 notches.
  • the crown is advantageously achieved during the molding of the housing, but it can also be reported in recess 14.
  • the adjustment is easily made by unlocking the latch 40, then exiting the fork to bring it to the indicated position figures 2,4,6, head extraction according to X1 to disengage the notches C1, C2, setting the head in the angular position desired, depressing the head according to X1 until engagement of the notches C1, C2 and abutment of the shoulder 25a of the tubular bearing surface 25 on the face 10c of the housing.
  • the setting is facilitated by the presence of C1 notches in low number and by the marks M1, M2.

Landscapes

  • Switches With Compound Operations (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP02079285A 2001-10-15 2002-10-09 Positionsschalter mit rotierendem Kopf Expired - Lifetime EP1302956B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0113404A FR2830981B1 (fr) 2001-10-15 2001-10-15 Interrupteur, notamment de position, a tete orientable
FR0113404 2001-10-15

Publications (2)

Publication Number Publication Date
EP1302956A1 true EP1302956A1 (de) 2003-04-16
EP1302956B1 EP1302956B1 (de) 2007-11-21

Family

ID=8868408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02079285A Expired - Lifetime EP1302956B1 (de) 2001-10-15 2002-10-09 Positionsschalter mit rotierendem Kopf

Country Status (6)

Country Link
US (1) US6627827B2 (de)
EP (1) EP1302956B1 (de)
CN (1) CN100449664C (de)
DE (1) DE60223640T2 (de)
ES (1) ES2294078T3 (de)
FR (1) FR2830981B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2237299A1 (de) 2009-03-30 2010-10-06 Schneider Electric Industries SAS Positionsschalter
US9646777B2 (en) 2014-06-27 2017-05-09 Bernstein Ag Electrical switching device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876217B1 (fr) * 2004-10-06 2007-04-20 Socomec Sa Sa Appareil de coupure electrique a commande frontale ou laterale
JP4522291B2 (ja) * 2005-03-08 2010-08-11 Ｉｄｅｃ株式会社 安全スイッチ
JP4673661B2 (ja) * 2005-04-26 2011-04-20 Ｉｄｅｃ株式会社 安全スイッチ
JP4727290B2 (ja) * 2005-05-11 2011-07-20 Ｉｄｅｃ株式会社 安全スイッチ
ITVI20060211A1 (it) * 2006-07-07 2008-01-08 Pizzato Elettrica Srl Dispositivo di riarmo per interruttore di finecorsa ed interruttore di finecorsa comprendente tale dispositivo
CN102956393A (zh) 2011-08-24 2013-03-06 欧姆龙株式会社 开关装置
FR3010826B1 (fr) * 2013-09-19 2017-04-21 Schneider Electric Ind Sas Interrupteur de position
JP2015079601A (ja) * 2013-10-15 2015-04-23 オムロン株式会社 スイッチ
DE102013019597A1 (de) 2013-11-25 2015-05-28 K.A. Schmersal Holding Gmbh & Co. Kg Positionsschalter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590177A (en) * 1969-06-13 1971-06-29 Buchanan Electrical Prod Corp Limit switch
US4133991A (en) * 1976-09-27 1979-01-09 Matsushita Electric Works, Ltd. Limit switch
EP0874381A2 (de) * 1997-04-23 1998-10-28 Siemens Aktiengesellschaft Positionsschalter mit mehreren Betätigungselementen
FR2785985A1 (fr) * 1998-11-18 2000-05-19 Crouzet Automatismes Detecteur de position avec mecanisme d'orientation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR874381A (fr) 1941-04-01 1942-08-05 Procédé pour l'obtention de cellulose pure
US3275764A (en) * 1964-06-05 1966-09-27 Square D Co Electric limit switch having a diagonally divided housing, a detachable actuator, and mechanisms for causing selected operation of a push button snap switch
US3602681A (en) * 1970-03-02 1971-08-31 Robertshaw Controls Co Adjustable actuator arm construction
US3699283A (en) * 1970-09-29 1972-10-17 Buchanan Electrical Prod Corp Electrical limit switch
US4847453A (en) * 1987-11-03 1989-07-11 Square D Company Limit switch with actuator
US5028748A (en) * 1989-03-28 1991-07-02 Omron Corporation Limit switch
US5276299A (en) * 1991-11-05 1994-01-04 Otis Elevator Company Elevator limit switch
FR2755533B1 (fr) * 1996-11-04 1998-12-24 Schneider Electric Sa Interrupteur de securite a tete pivotante
DE29711163U1 (de) * 1997-06-26 1997-08-21 Hans Bernstein Spezialfabrik für Schaltkontakte GmbH & Co, 32457 Porta Westfalica Sicherheitsschalter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590177A (en) * 1969-06-13 1971-06-29 Buchanan Electrical Prod Corp Limit switch
US4133991A (en) * 1976-09-27 1979-01-09 Matsushita Electric Works, Ltd. Limit switch
EP0874381A2 (de) * 1997-04-23 1998-10-28 Siemens Aktiengesellschaft Positionsschalter mit mehreren Betätigungselementen
FR2785985A1 (fr) * 1998-11-18 2000-05-19 Crouzet Automatismes Detecteur de position avec mecanisme d'orientation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2237299A1 (de) 2009-03-30 2010-10-06 Schneider Electric Industries SAS Positionsschalter
US9646777B2 (en) 2014-06-27 2017-05-09 Bernstein Ag Electrical switching device

Also Published As

Publication number Publication date
CN1412799A (zh) 2003-04-23
DE60223640D1 (de) 2008-01-03
DE60223640T2 (de) 2008-10-30
ES2294078T3 (es) 2008-04-01
FR2830981B1 (fr) 2004-10-15
US6627827B2 (en) 2003-09-30
EP1302956B1 (de) 2007-11-21
US20030070906A1 (en) 2003-04-17
FR2830981A1 (fr) 2003-04-18
CN100449664C (zh) 2009-01-07

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