EP0337927A2 - Commutateur de gamme, en particulier pour un relais temporisé - Google Patents

Commutateur de gamme, en particulier pour un relais temporisé Download PDF

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Publication number
EP0337927A2
EP0337927A2 EP89730080A EP89730080A EP0337927A2 EP 0337927 A2 EP0337927 A2 EP 0337927A2 EP 89730080 A EP89730080 A EP 89730080A EP 89730080 A EP89730080 A EP 89730080A EP 0337927 A2 EP0337927 A2 EP 0337927A2
Authority
EP
European Patent Office
Prior art keywords
locking
locking pin
range switch
switch according
sleeve
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
EP89730080A
Other languages
German (de)
English (en)
Other versions
EP0337927B1 (fr
EP0337927A3 (en
Inventor
Karl-Dieter Friedrich
Gerd-L. Metzner
Waldemar Maik
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.)
Schleicher GmbH and Co Relais Werke KG
Original Assignee
Schleicher GmbH and Co Relais Werke KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schleicher GmbH and Co Relais Werke KG filed Critical Schleicher GmbH and Co Relais Werke KG
Publication of EP0337927A2 publication Critical patent/EP0337927A2/fr
Publication of EP0337927A3 publication Critical patent/EP0337927A3/de
Application granted granted Critical
Publication of EP0337927B1 publication Critical patent/EP0337927B1/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
    • 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
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/11—Movable parts; Contacts mounted thereon with indexing means
    • H01H19/115—Movable parts; Contacts mounted thereon with indexing means using molded elastic parts only
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/14—Adjustable resistors adjustable by auxiliary driving means

Definitions

  • the invention relates to a range switch, in particular for an electronic time relay according to the preamble of the main claim.
  • range switches are provided in the cover of the housing of the time relay, with which, for example, different time ranges and different functional ranges can be set. These range switches have an adjustment element that can be actuated from the outside and is part of a switch. The switch specifies a desired number of switch positions that provide different time ranges and functions.
  • Such a switch is relatively expensive in the miniaturization required for the current state of the art, so that the production costs of a timing relay are also higher.
  • the invention has for its object to provide a range switch, especially for electronic timing relays according to the preamble of the main claim, which has a simple structure and is quick to assemble and is cheaper than a range switch according to the prior art.
  • the adjusting element is designed as a continuous locking pin, which is directly in positive engagement with a switching element, and that a sleeve with locking recesses provided in its inner circumferential surface is placed in the cover, which in cooperation with the locking pin specifies locking positions for the switching element,
  • the switch that must be used in the prior art can be omitted, whereby the structure can be downsized, the assembly can be simplified, and manufacturing costs can be reduced.
  • the switching element is a potentiometer means that a very inexpensive switching element is used, which is manufactured in large numbers, and digital voltage values can also be made available for further processing, predetermined by the latching positions.
  • a good deformability of the sleeve is ensured in that the locking pin has a diameter over part of its length in front of the locking area, which is smaller than the inner diameter of the sleeve.
  • the cover 1 of a housing for an electronic time relay shown in FIG. 1 is known per se and therefore need not be described in more detail.
  • 1 bushes or sleeves 2, 3 are formed in the interior of the cover and are used to hold locking pins 4 shown in more detail in FIG. 2.
  • incisions or depressions 5 are provided in the inner peripheral surface of the sleeve 2, 3, each of which describes a partial circle in cross section. Eight of these depressions 5 are predefined in the scope, whereby eight locking positions are defined.
  • a further recess 6 is arranged, which, as will be described later, serves as an assembly aid for the pin 4 or for adjusting the position of a switching element which is in positive engagement with the locking pin.
  • This recess 6 extends over the entire length of the sleeve 2, 3, while the locking recesses 5 are only in the interior of the relay facing end portion of the sleeve 2,3.
  • the locking recesses 5 thus end at a shoulder or an undercut 7.
  • the locking pin 4 is formed in one piece and has several functions and serves as an externally actuatable adjusting element, as a latching element and as a transmission element for the adjusting movement carried out from the outside onto a switching element.
  • the switching element is a potentiometer which is located on a printed circuit board and is arranged in such a way that its actuating device, in the present exemplary embodiment this is a recess or recess, lies opposite the sleeve 2 or 3.
  • the locking pin 4 has an adjustment area 8, a locking area 9 and an engagement area 10.
  • the adjustment area 8 consists of a flange 11 in which a slot 12 is arranged for receiving the cutting edge of a screwdriver.
  • the flange 11 is adjoined by a pin-shaped region 13 which has a diameter approximately corresponding to the inner diameter of the sleeve 2, 3. Between the pin-shaped area 13 and the locking area 9, the pin 4 is provided with a section 21 of reduced diameter to improve the deformability of the sleeve 2, 3, which merges into the locking area 9, this locking area 9 being shown in more detail in FIG. 4.
  • a further pin-shaped extension area 14 is molded onto the latching area 9 and merges into the engagement area 10 designed as a cutting edge 15.
  • This cutting edge 15 engages in the potentiometer, not shown, and the resistance of the potentiometer can thus be changed via the pin 4, 4 fixed digital resistance values being specified via the locking positions of the locking pin, by means of which different fixed voltage values can be derived.
  • the locking area 9 of the locking pin is shown, which has a locking projection 16.
  • the pin 4 has a rhombus-shaped cross section in the latching area 9, the corner forming the latching projection 16 as well as the corner opposite the latching projection 16, which forms the support area 17, being rounded.
  • the radius of the locking projection 16 is smaller than that of the support region 17 and is adapted to the radius of the part-circular recesses 5 of the sleeve 2, 3.
  • the dimensions of the locking area 9 are chosen such that the length between the center of the locking pin and the outer circumference of the locking projection 16 is greater than the length 18 between the center of the locking pin 4 to the outer peripheral surface of the support area 17.
  • This length 18 corresponds to the inner radius of the through bore of the sleeve 2.3.
  • the diameter of the section 21 which lies in front of the latching area corresponds, for example, to the length between the two pointed corners of the rhombus-shaped cross section.
  • the angle 19 on the locking projection 16 is preferably 36 ° and the angle 20 30 °. This information is for the described Embodiment selected, of course, other shapes of the locking area 9 of the locking pin 4 are possible.
  • the pin 4 When assembling the range switch, the pin 4 is inserted with its locking projection 16 into the continuous recess 6. In this position, the cutting edge 15 of the locking pin engages in a corresponding recess in the potentiometer, this position forming the zero position of the potentiometer. After inserting the locking pin, it can be rotated via the slot 12, the sleeve 2, 3 being elastically deformed due to the elasticity of its material - the sleeve 2, 3 is made of plastic - and the section 21 of reduced diameter whenever the locking projection 16 is located between the locking positions predetermined by the recesses 5. In this state, the length of the locking pin 4 between the locking projection 16 and the support area 17 is greater than the diameter of the sleeve 2, 3.
  • the cover 1 On the top of the cover 1 there are markings around the sleeves 2, 3 which correspond, for example, to the different time ranges or different functions corresponding to the latching positions.
  • a corresponding marking is provided on the surface of the flange 11 of the locking pin 4, wherein this marking can be formed by a recess in the flange 11.
  • a stop can be provided, which can be produced, for example, in the pin-shaped area 13 by constriction with the formation of a nose. The nose then engages a protrusion located on the inner periphery of the sleeve.
  • the switching element is a potentiometer.
  • contact areas printed on a printed circuit board can be provided, for example, which can be bridged using a wiper.
  • the grinder is, for example, via an axis connected to it, which can be inserted into the circuit board, in a fixed association with the contact surfaces, the other end of the axis is in a positive connection with the locking pin.
  • the locking pin 4 is provided with a cutting edge 15 as an engagement element 10.
  • it can also have a recess in its end, into which a corresponding engagement element on the switching element, i.e. engages on the potentiometer or on the grinder.
EP89730080A 1988-04-15 1989-03-22 Commutateur de gamme, en particulier pour un relais temporisé Expired - Lifetime EP0337927B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3813115A DE3813115A1 (de) 1988-04-15 1988-04-15 Bereichsumschalter, insbesondere fuer ein elektronisches zeitrelais
DE3813115 1988-04-15
DE8805203U DE8805203U1 (fr) 1988-04-15 1988-04-15

Publications (3)

Publication Number Publication Date
EP0337927A2 true EP0337927A2 (fr) 1989-10-18
EP0337927A3 EP0337927A3 (en) 1990-12-19
EP0337927B1 EP0337927B1 (fr) 1995-03-08

Family

ID=25867175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89730080A Expired - Lifetime EP0337927B1 (fr) 1988-04-15 1989-03-22 Commutateur de gamme, en particulier pour un relais temporisé

Country Status (5)

Country Link
EP (1) EP0337927B1 (fr)
AT (1) ATE119710T1 (fr)
DE (3) DE3813115A1 (fr)
ES (1) ES2070189T3 (fr)
PT (1) PT90275B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0793161A1 (fr) * 1996-02-27 1997-09-03 Eaton Corporation Bouton de réglage comprenant un dispositif de positionnement discret
EP0834892A2 (fr) * 1996-10-02 1998-04-08 AEG Hausgeräte GmbH Dispositif d'indexation et commutateur rotatif pour appareil électroménager avec ce dispositif d'indexation
DE19919950A1 (de) * 1999-04-30 2000-11-02 Bsh Bosch Siemens Hausgeraete Vorrichtung mit einer Drehachse, die in Drehrichtung zumindest zwei stabile Stellungen und zumindest einen instabilen Bereich aufweist

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813115A1 (de) * 1988-04-15 1989-10-26 Schleicher Relais Bereichsumschalter, insbesondere fuer ein elektronisches zeitrelais

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082925A (en) * 1976-03-31 1978-04-04 Cts Corporation Rotary switch
FR2437078A1 (fr) * 1978-09-21 1980-04-18 Illinois Tool Works Element de contact electrique tournant
GB2130796A (en) * 1982-11-18 1984-06-06 Alps Electric Co Ltd Band selector switches
DE8805203U1 (fr) * 1988-04-15 1988-07-14 Schleicher Gmbh & Co Relais-Werke Kg, 1000 Berlin, De

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264422A (en) * 1961-12-26 1966-08-02 Ford Motor Co Turn signal connecting mechanism accumulator having pin and slide connection
US4110722A (en) * 1977-07-18 1978-08-29 Cts Corporation Variable resistance control
DE3425752C2 (de) * 1984-07-12 1986-05-15 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Abgedichtete Potentiometer-Baugruppe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082925A (en) * 1976-03-31 1978-04-04 Cts Corporation Rotary switch
FR2437078A1 (fr) * 1978-09-21 1980-04-18 Illinois Tool Works Element de contact electrique tournant
GB2130796A (en) * 1982-11-18 1984-06-06 Alps Electric Co Ltd Band selector switches
DE8805203U1 (fr) * 1988-04-15 1988-07-14 Schleicher Gmbh & Co Relais-Werke Kg, 1000 Berlin, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0793161A1 (fr) * 1996-02-27 1997-09-03 Eaton Corporation Bouton de réglage comprenant un dispositif de positionnement discret
EP0834892A2 (fr) * 1996-10-02 1998-04-08 AEG Hausgeräte GmbH Dispositif d'indexation et commutateur rotatif pour appareil électroménager avec ce dispositif d'indexation
EP0834892A3 (fr) * 1996-10-02 1999-04-07 AEG Hausgeräte GmbH Dispositif d'indexation et commutateur rotatif pour appareil électroménager avec ce dispositif d'indexation
DE19919950A1 (de) * 1999-04-30 2000-11-02 Bsh Bosch Siemens Hausgeraete Vorrichtung mit einer Drehachse, die in Drehrichtung zumindest zwei stabile Stellungen und zumindest einen instabilen Bereich aufweist

Also Published As

Publication number Publication date
DE3813115C2 (fr) 1993-02-04
DE58909076D1 (de) 1995-04-13
DE3813115A1 (de) 1989-10-26
PT90275A (pt) 1989-11-10
EP0337927B1 (fr) 1995-03-08
ES2070189T3 (es) 1995-06-01
ATE119710T1 (de) 1995-03-15
EP0337927A3 (en) 1990-12-19
DE8805203U1 (fr) 1988-07-14
PT90275B (pt) 1995-03-01

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