EP1406277B1 - Drehschalteranordnung - Google Patents

Drehschalteranordnung Download PDF

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Publication number
EP1406277B1
EP1406277B1 EP03022620.3A EP03022620A EP1406277B1 EP 1406277 B1 EP1406277 B1 EP 1406277B1 EP 03022620 A EP03022620 A EP 03022620A EP 1406277 B1 EP1406277 B1 EP 1406277B1
Authority
EP
European Patent Office
Prior art keywords
contact
knob
movable
contacts
rotary switch
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
EP03022620.3A
Other languages
English (en)
French (fr)
Other versions
EP1406277A2 (de
EP1406277A3 (de
Inventor
Junichi Hayakawa
Tetsuya Shimizu
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.)
Tokai Rika Co Ltd
Original Assignee
Tokai Rika Co Ltd
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 Tokai Rika Co Ltd filed Critical Tokai Rika Co Ltd
Publication of EP1406277A2 publication Critical patent/EP1406277A2/de
Publication of EP1406277A3 publication Critical patent/EP1406277A3/de
Application granted granted Critical
Publication of EP1406277B1 publication Critical patent/EP1406277B1/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
    • 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
    • H01H19/63—Contacts actuated by axial cams
    • 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

Definitions

  • the present invention relates to a rotary switch device in which a structure of contacting a movable contact with a fixed contact and separating the movable contact from the fixed contact is improved.
  • a rotary switch device shown in Fig. 8 .
  • This rotary switch device is composed as follows.
  • the gear 2 is meshed with a gear 3.
  • a holder support 4 is attached to this gear 3, and a contact holder 5 is attached to this holder support 4.
  • Movable contacts 6 are attached to the contact holder 5.
  • Fixed contacts 7 to 9 corresponding to the movable contacts 6 are provided on a base plate 10.
  • Fig. 9 is a view showing an arrangement of the fixed contacts 7 to 9 on the base plate 10 in detail.
  • Fig. 9 black points show the contacting points at which the movable contacts 6 come into contact with the fixed contacts 7 to 9.
  • the movable contact 6 comes into contact with the fixed contacts 7 and 8, so that the fixed contacts 7 and 8 can be connected with each other.
  • the operation state B the movable contact 6 comes into contact with the fixed contacts 7, 8 and 9, so that the fixed contacts 7, 8 and 9 can be connected with each other.
  • the operation state C the movable contact 6 comes into contact with the fixed contacts 7 and 9, so that the fixed contacts 7 and 9 can be connected with each other.
  • the movable contact 6 comes into contact with only the fixed contact 7, that is, the movable contact 6 does not come into contact with the other fixed contacts 8 and 9.
  • Fig. 10 is a table on which the above operation is shown.
  • this structure has the following disadvantages.
  • the accuracy of switching is greatly affected by the accuracy of meshing of the gear 2 with the gear 3 and the positional deviation of the movable contact 6. Therefore, the actual thing must be manufactured with considerably high accuracy. Unless the actual thing is manufactured with considerably high accuracy, the reliability of the product is lowered.
  • Document DE-C-19722780 discloses a rotary switch according to the preamble of claim 1.
  • the present invention has been accomplished in view of the above circumstances. It is an object of the present invention to provide a rotary switch device, the reliability with respect to the switching accuracy of which is high even when the actual thing is not manufactured with considerably high accuracy.
  • the present invention provides a rotary switch device according to claim 1.
  • the knob is operated by rotation, all movable contacts are linearly reciprocated.
  • the fixed contacts are linearly arranged. Therefore, the sufficiently large fixed contacts can be arranged even in a limited space. Accordingly, it is possible to extend an operation stroke of each movable contact. There is no possibility that the switching accuracy is greatly affected by the assembling accuracy of the other parts and the positional deviation of the movable contacts. Consequently, it is unnecessary to manufacture the actual thing with considerably high accuracy. Therefore, high reliability can be provided.
  • reference numeral 11 is an operation lever, for example, arranged in a portion close to a steering wheel of a vehicle. Various parts shown in Fig. 1 are incorporated into the operation lever 11.
  • reference numeral 12 is a knob, which is formed into a short cylinder having a lid.
  • One guide piece 13 is incorporated into the knob 12.
  • This one guide piece 13 is formed into a short cylinder, the diameter of which is smaller than that of the knob 12, and provided with an internal cylinder 14 inside.
  • This internal cylinder 14 has a wave-shaped portion 15 on the side opposite to the inner side of the knob 12 (on the right in the drawing). Each wave-form of the wave-form portion 15 is trapezoidal.
  • this one guide piece 13 may be integrally formed with the knob 12.
  • reference numeral 16 is the other guide piece which forms a pair together with one guide piece 13 described above.
  • the other guide piece 16 is formed into a ring-shape and provided with a wave-shaped portion 17 on the guide piece 13 side.
  • Shape of the wave-shaped portion 17 is constituted by a plurality of trapezoids.
  • This other guide piece 16 is incorporated into one guide piece 13.
  • the wave-shaped portion 17 is opposed to the wave-shaped portion 15.
  • a gap formed between the wave-shaped portion 17 and the wave-shaped portion 15 forms a guide portion 18 composed of a wave-shaped groove.
  • Reference numerals 19 and 20 are contact holders. Both contact holders 19 and 20 respectively have protrusions 21 and 22, which are inserted into the aforementioned guide portion 18. On the sides of the contact holders 19 and 20 opposite to the side on which the protrusions 21 and 22 are arranged, the movable contacts 23 and 24 are attached. At the forward end portions of these movable contacts 23 and 24, there are provided contacts 23a, 23b, 24a, 24b shown in Figs. 3 to 6 . Although not shown in the drawing, traverse movements of these contact holds 19, 20 are restricted by some structure arranged in the operation lever 11.
  • Reference numeral 25 is a base plate. On the lower face of this base plate 25, there are provided fixed contacts 26, 27, 28. These fixed contacts 26, 27, 28 correspond to the movable contacts 23, 24. In these fixed contacts, the fixed contact 26 is formed into a crank-shape. On the other hand, both the fixed contacts 27, 28 are respectively formed into a simple rectangle.
  • knob 11 As described before, these parts are incorporated into the operation lever 11, however, as shown in Fig. 2 , one portion of the knob 11 is exposed outside from the window portion 29 of the operation lever 11, so that the knob 11 can be rotated by operation.
  • Figs. 3 to 6 are views showing the displacement of the movable contacts 23, 24 (the displacement of the contact holders 19, 20) in the order of operation of the knob 12.
  • the movable contact 23 makes the contact 23a come into contact with the fixed contact 26.
  • the movable contact 23 makes the contact 23b come into contact with the fixed contact 27. Due to this contacting operation, the fixed contacts 26 and 27 are connected with each other.
  • the movable contact 24 makes the contact 24a come into contact with the fixed contact 26, however, the contact 24b is not contacted with the fixed contact 28. Therefore, these fixed contacts 26 and 28 are not connected with each other.
  • the movable contact 23 makes the contact 23a come into contact with the fixed contact 26 and also makes the contact 23b come into contact with the fixed contact 27. Due to this switching operation, these fixed contacts 26 and 27 are connected with each other.
  • the movable contact 24 makes the contact 24a come into contact with the fixed contact 26, and at the same time, the contact 24b is contacted with the fixed contact 28. Therefore, these fixed contacts 26 and 28 are connected with each other.
  • the movable contact 23 makes the contact 23a come into contact with the fixed contact 26, however, the movable contact 23 does not make the contact 23b come into contact with the fixed contact 27. Therefore, these fixed contacts 26 and 27 are not connected with each other.
  • the movable contact 24 makes the contact 24a come into contact with the fixed contact 26 and also makes the contact 24b come into contact with the fixed contact 28. Due to this switching operation, these fixed contacts 26 and 28 are connected with each other.
  • the movable contact 23 makes the contact 23a come into contact with the fixed contact 26, however, the movable contact 23 does not make the contact 23b come into contact with the fixed contact 27. Therefore, these fixed contacts 26 and 27 are not connected with each other.
  • the movable contact 24 makes the contact 24a come into contact with the fixed contact 26.
  • the movable contact 24 does not make the contact 24b come into contact with the fixed contact 28. Therefore, these fixed contacts 26 and 28 are connected with each other.
  • the same operation as that described above is endlessly repeated in the operation stages A to D. This repetition is shown on the table of Fig. 7 .
  • the knob 12 is operated by rotation, all movable contacts 23, 24 are linearly reciprocated.
  • the fixed contacts 26 to 28 are linearly arranged not being swollen. Therefore, the sufficiently large fixed contacts can be arranged even in a limited space (especially, in a space, the width of which is limited) such as a space on the lower face of the base plate 25. Accordingly, it is possible to extend an operation stroke of each movable contact 23, 24. There is no possibility that the switching accuracy is greatly affected by the assembling accuracy of the other parts and the positional deviation of the movable contacts. Consequently, it is unnecessary to manufacture the actual thing with considerably high accuracy. Therefore, high reliability can be provided.
  • the present invention is not limited to the above specific embodiment shown in the accompanying drawings. Especially, the present invention may be applied to a case in which the numbers of the movable and the fixed contacts are not less than the aforementioned numbers. Further, the rotary switch device of the invention can be used for not only vehicles but also the other apparatus. Furthermore, the rotary switch device of the invention is not limited to the use of incorporating it into an operation lever. That is, variations may be made without departing from the scope of the appended claims.
  • the rotary switch device of the present invention even when the actual thing is not manufactured with considerably high accuracy, it is possible to provide a rotary switch device, the switching accuracy of which is highly reliable.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Slide Switches (AREA)

Claims (3)

  1. Drehschaltervorrichtung, die umfasst:
    einen Knopf (12), der zum Betätigen gedreht wird;
    einen wellenförmigen Führungsabschnitt (18), der in dem Knopf (12) in einer Drehrichtung vorhanden ist;
    eine Vielzahl von Vorsprüngen (21, 22), die zu Kontakthaltern (19, 20) gehören, wobei die Vorsprünge (21, 22) in dem Führungsabschnitt (18) vorhanden sind und sie entsprechend der Drehung des Knopfes (12) einzeln linear hin- und herbewegt werden können;
    eine Vielzahl beweglicher Kontakte (23, 24), die jeweils in den Kontakthaltern (19, 20) vorhanden sind;
    eine Vielzahl unbeweglicher Kontakte (26, 27, 28), die so eingerichtet sind, dass sie mit den beweglichen Kontakten (23, 24) in Kontakt kommen und von ihnen getrennt werden,
    wobei ein anderer Verbindungszustand der beweglichen Kontakte (23, 24) mit den unbeweglichen Kontakten (26, 27, 28) anschließend mittels einer linearen Hin- und Herbewegung der Vielzahl einzelner Kontakthalter (19, 20) entsprechend der Drehung des Knopfes (12) hergestellt wird,
    dadurch gekennzeichnet, dass
    der Führungsabschnitt (18) eine Ringform hat, bei der in dem Knopf (12) eine wellenförmige Nut in der Drehrichtung vorhanden ist, so dass der Knopf (12) endlos in der Drehrichtung gedreht werden kann.
  2. Drehschaltervorrichtung nach Anspruch 1, wobei die Form des Führungsabschnitts (18) durch eine Vielzahl von Trapezoiden gebildet wird.
  3. Drehschaltervorrichtung nach Anspruch 1, wobei der Vorsprung (21, 22) von einer Seite des Kontakthalters (19, 20) vorsteht und in den Führungsabschnitt (18) eingeführt ist und der bewegliche Kontakt (23, 24) an der anderen Seite des Kontakthalters (19, 20) angebracht ist.
EP03022620.3A 2002-10-04 2003-10-06 Drehschalteranordnung Expired - Lifetime EP1406277B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002292376A JP4139182B2 (ja) 2002-10-04 2002-10-04 ロータリースイッチ装置
JP2002292376 2002-10-04

Publications (3)

Publication Number Publication Date
EP1406277A2 EP1406277A2 (de) 2004-04-07
EP1406277A3 EP1406277A3 (de) 2006-01-18
EP1406277B1 true EP1406277B1 (de) 2013-12-11

Family

ID=31987210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03022620.3A Expired - Lifetime EP1406277B1 (de) 2002-10-04 2003-10-06 Drehschalteranordnung

Country Status (2)

Country Link
EP (1) EP1406277B1 (de)
JP (1) JP4139182B2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4687443B2 (ja) * 2005-12-21 2011-05-25 株式会社デンソー ダイアル式操作装置
JP4579856B2 (ja) * 2006-03-30 2010-11-10 株式会社東海理化電機製作所 回転操作式出力装置
JP4620636B2 (ja) * 2006-06-22 2011-01-26 株式会社東海理化電機製作所 回転操作式出力装置
JP2011192394A (ja) * 2010-03-11 2011-09-29 Alps Electric Co Ltd レバー操作装置
US20170018380A1 (en) * 2014-04-03 2017-01-19 Kabushiki Kaisha Tokai Rika Denki Seisakusho Switch device
JP6266550B2 (ja) * 2015-02-25 2018-01-24 株式会社東海理化電機製作所 スイッチ装置
US10562585B2 (en) * 2017-06-05 2020-02-18 Shimano Inc. Bicycle operating device
BR112021019810A2 (pt) * 2019-04-04 2021-12-07 Merit Poland Spolka Z Ograniczona Odpowiedzialnoscia Conjunto de interruptor rotativo, em particular, de um módulo integrado de coluna de volante de um veículo automotivo
JP2024150232A (ja) * 2023-04-10 2024-10-23 株式会社東海理化電機製作所 スイッチシステム
DE102024102204A1 (de) 2024-01-25 2025-07-31 Porsche Ebike Performance Gmbh Signalgeber für eine elektronische Komponente eines Fahrrads

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403638A1 (fr) * 1977-09-14 1979-04-13 Antivols Simplex Sa Contacteur a contacts multiples a commande rotative
JP3765550B2 (ja) * 1997-03-21 2006-04-12 アルプス電気株式会社 車載用ノブスイッチ装置
DE19722780C1 (de) * 1997-06-02 1998-11-12 Kostal Leopold Gmbh & Co Kg Elektrische Drehschaltereinheit
JP2000067702A (ja) * 1998-08-19 2000-03-03 Alps Electric Co Ltd 車載用ノブスイッチ装置
FR2785084B1 (fr) * 1998-10-23 2003-01-31 Sc2N Sa Dispositif de commutation electrique, notamment pour vehicule automobile

Also Published As

Publication number Publication date
JP2004127808A (ja) 2004-04-22
JP4139182B2 (ja) 2008-08-27
EP1406277A2 (de) 2004-04-07
EP1406277A3 (de) 2006-01-18

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