EP1096525A1 - Verstärkungsvorrichtung für eine bewegliche Betätigungs-Drucktaste - Google Patents

Verstärkungsvorrichtung für eine bewegliche Betätigungs-Drucktaste Download PDF

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Publication number
EP1096525A1
EP1096525A1 EP00402941A EP00402941A EP1096525A1 EP 1096525 A1 EP1096525 A1 EP 1096525A1 EP 00402941 A EP00402941 A EP 00402941A EP 00402941 A EP00402941 A EP 00402941A EP 1096525 A1 EP1096525 A1 EP 1096525A1
Authority
EP
European Patent Office
Prior art keywords
pusher
button
axis
valve
ramp
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
EP00402941A
Other languages
English (en)
French (fr)
Other versions
EP1096525B1 (de
Inventor
Christian Minodier
Bernard Truchet
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.)
Crouzet Automatismes SAS
Original Assignee
Crouzet Automatismes 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 Crouzet Automatismes SAS filed Critical Crouzet Automatismes SAS
Publication of EP1096525A1 publication Critical patent/EP1096525A1/de
Application granted granted Critical
Publication of EP1096525B1 publication Critical patent/EP1096525B1/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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/20—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons

Definitions

  • the invention relates to a device for amplifying the movement of a switch operating button.
  • the invention is particularly useful when the button switch operation has a short stroke, for example of the order of one millimeter. These switches are used when looking for a fast switching to, for example, avoid bouncing between contacts of the switch.
  • the maneuver of the button is not done directly but via a push button mobile in translation and whose stroke is much greater than that of the button, for example, of the order of five millimeters.
  • This course amplified is particularly useful in order to widen the manufacturing tolerances of mechanisms operating the pusher such as, for example, a cam.
  • the known displacement amplification devices are complicated. They have a large number of mechanical parts and including several springs.
  • the invention aims to simplify these devices.
  • the invention relates to a device amplification of the movement of a switch operating button fixed in a body comprising a pusher movable in translation along a axis relative to the body, the translation of the pusher being the displacement amplified, characterized in that it comprises a valve including a first zone support is likely to move along a ramp of the pusher when the pusher moves along the axis, in that the valve comprises a second support zone in permanent contact against an area of the body whatever the position of the pusher, in that the valve has a third support zone in contact with the button.
  • An advantage linked to the invention is to reverse the action on the button. More precisely, when the pusher is at rest, the operating button of the switch is pressed and when the button is pressed, the button is released operating button. This inversion has an advantage, in particular for switches with low displacement which fear too abrupt pressing on their operating button, which could damage them.
  • the speed of pressing the button is linked to the means ensuring permanent contact of the second zone of the valve on the body area, for example, using a spring maintaining this contact. The setting this spring allows you to control the speed of pressing the button without exceed a speed that could damage the switch.
  • Another advantage linked to the invention is to allow the adjustment of the evolution of the button stroke as a function of that of the pusher. This adjustment is made by adapting the shape of the ramp.
  • a body 1 carries the other elements of the device.
  • the body 1 has a first cavity 2 in which is fixed a switch 3.
  • Switch 3 has, for example, the shape of a parallelepiped. In its lower part, it has pins 4, 5, 6 of electrical connection.
  • the switch 3 In its upper part, the switch 3 has a operating button 7 capable of moving, for example in translation, between several positions. Switch 3 contacts some pins of switch 3 depending on the position of the button operation 7.
  • the switch 3 has three pins 4, 5, 6 and the operating button 7 can move between two positions, one pressed position and released position. In the pressed position, the operating button 7 brings pins 4 and 5 into contact, and in the position released, the operating button 7 brings pins 4 and 6 into contact.
  • operating button 7 shown in Figure 1 is in the depressed position.
  • a switch 3 comprising several separate circuits and / or a switch 3 whose operating button is likely to occupy more than two positions, each of the positions bringing different pins into contact.
  • the body 1 has a second cavity 8 communicating with the first cavity 2.
  • the second cavity 8 opens onto the top of the body 1 through an opening 9.
  • the second cavity 8 and the opening 9 are for example cylindrical along a axis 10.
  • the diameter of the opening 9 is less than that of the second cavity 8 thus forming a shoulder 11.
  • the device further comprises a pusher 12, substantially formed of a cylindrical part 13 along the axis 10 and shouldered at its end lower 14.
  • the diameter of the shoulder 15 of the pusher 12 and the diameter of part 13 are such that part 13 can move freely in opening 9 until shoulders 11 and 15 come in stop, which is the case in FIG. 1.
  • the part 13 of the pusher 12 extends the along the axis 10 to an end 16 located above the body 1.
  • the device further comprises a valve 20 of substantially revolution.
  • the axis of the valve 20 is substantially coincident with the axis 10 when the device is in the position shown in FIG. 1.
  • the valve 20 has a first finger 21, the end of which is in contact with the button operation 7 of switch 3.
  • the contact surfaces belonging to the end of the finger 21 as well as the operating button 7 are substantially convex so as to ensure a substantially punctual contact.
  • the valve 20 further comprises a flange 22 intended for lean against an area of the body 1.
  • the outside diameter of the flange 22 is substantially close to the internal diameter of the cavity 8 and in order to be able mount the valve 20, the support zone belonging to the body 1 is formed by an added piece 23 fixed to the body 1.
  • the added part 23 is for example a crimped flat washer in the body 1 and whose internal diameter is less than that of the collar 22.
  • the insert can also be a elastic ring for bore, mounted in a groove of the body 1.
  • the inside diameter of the ring is, as for the washer, less than that of the flange 22.
  • the valve 20 further comprises a second finger 24 the end 25 of which bears against a ramp 30 belonging to the pusher 12.
  • the two fingers 21 and 24 advantageously extend along the axis of the valve 20, here the axis 10, on either side of the flange 22.
  • the end 25 of the finger 24 has a surface convex so that the support against the ramp 30 is substantially punctual.
  • the ramp 30 is for example produced by means of a drilling performed in pusher 12.
  • the axis 31 of the bore is parallel to the axis 10 and slightly offset from it.
  • the hole has a cylindrical hole 32 blind and smooth.
  • the hole opens to the outside from the end side lower 14 of the pusher 12 by a countersink 33.
  • the offset of the axis 31 relative to the axis 10 means that a part of the countersink 33 is located outside the pusher 12.
  • the dimensions of the different parts of the device are such that when the pusher 12 is in the highest position possible, i.e. when the shoulders 15 and 11 are substantially in contact, the flange 22 comes to bear substantially on all of its perimeter against the added piece 23.
  • an elastic element 35 is provided. This elastic element 35 allows also to ensure the approximation between the shoulders 15 and 11.
  • the elastic element 35 is for example a helical spring placed between the pusher 12 and the flange 22. The axis of the helical spring is substantially confused with axis 10.
  • the first finger 21 presses the button 7 of the switch 3 and keeps it in supported position.
  • the contact between the flange 22 and the part reported 23 is ensured with precision, it is controlled more safely pressing the first finger 21 on the button 7.
  • FIG 2 shows the elements of the device shown in Figure 1.
  • the pusher 12 has been pressed down lightly along the axis 10.
  • the end 25 of the valve 20 has slid along the countersink 33 and the flange 22 is partially detached from the insert 23 so as not to keep with it only a substantially punctual contact 26.
  • the first finger 21 always remains in contact with the lifting button 7 which comes in relaxed position.
  • the valve 20 pivots around the contact 26 when the push-button 12. It is not necessary to know the position of the contact 26 which can be located anywhere on the insert 23. The position is dependent of the position of the ramp 30 and therefore of the angular orientation of the pusher 12 around the axis 10. But once the pusher 12, the spring 35, the valve 20 and the attached part 23 assembled, this angular position has no influence on the functioning of the device.
  • Figure 3 always shows the same elements. We have this times, push the plunger 12 down completely along the axis 10 until the helical spring 35 is compressed to the maximum.
  • a stop 40 belonging to the valve 20 is provided for stop the stroke of the pusher 12 down along the axis 10. As as an alternative, this abutment could just as easily belong to the body 1.
  • the button 7 is here, as in Figure 2, in the released position.
  • the shape of the ramp 30 shown in the different figures is such that the movement of the button 7 is ensured over a small part of the stroke of the pusher 12. More precisely, the button 7 is released as soon as start of the stroke of the pusher 12 downwards when the end 25 moves along the countersink 33. It is of course possible to give the ramp 30 any shape allowing the button 7 to be actuated at another position button 12. It is also possible to vary the speed actuation of button 7 in relation to the speed of movement of the pusher 12 by modifying the slope of the milling 33.

Landscapes

  • Push-Button Switches (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Switches With Compound Operations (AREA)
EP00402941A 1999-10-29 2000-10-24 Verstärkungsvorrichtung für eine bewegliche Betätigungs-Drucktaste Expired - Lifetime EP1096525B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9913612A FR2800506B1 (fr) 1999-10-29 1999-10-29 Dispositif d'amplification du deplacement d'un bouton de manoeuvre d'un interrupteur
FR9913612 1999-10-29

Publications (2)

Publication Number Publication Date
EP1096525A1 true EP1096525A1 (de) 2001-05-02
EP1096525B1 EP1096525B1 (de) 2006-09-27

Family

ID=9551549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00402941A Expired - Lifetime EP1096525B1 (de) 1999-10-29 2000-10-24 Verstärkungsvorrichtung für eine bewegliche Betätigungs-Drucktaste

Country Status (5)

Country Link
US (1) US6396014B1 (de)
EP (1) EP1096525B1 (de)
DE (1) DE60030934T2 (de)
ES (1) ES2270798T3 (de)
FR (1) FR2800506B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20305528U1 (de) * 2003-04-04 2003-08-14 TRW Automotive Electronics & Components GmbH & Co. KG, 78315 Radolfzell Tastschalter
US8404990B2 (en) 2010-06-30 2013-03-26 3M Innovative Properties Company Switch system having a button travel limit feature
CN102403149B (zh) * 2010-09-10 2014-03-26 富泰华工业（深圳）有限公司 按键结构及具有该按键结构的电子装置
US10957507B2 (en) * 2018-06-27 2021-03-23 Appleton Grp Llc Mechanism for indirect access to an actuator on an apparatus disposed within a housing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556768A (en) * 1983-01-12 1985-12-03 Omron Tateisi Electronics Co. Limit switch assembly
US4740661A (en) * 1985-03-08 1988-04-26 Kabushiki Kaisha Sagami Denshi Kogyo Seesaw switch
DE19704611A1 (de) * 1997-02-07 1998-08-13 Baer Elektrowerke Gmbh & Co Kg Tastschalter mit langem Nachlaufweg
DE19808060A1 (de) * 1998-02-26 1999-09-09 Euchner Gmbh & Co Grenztaster
FR2785985A1 (fr) * 1998-11-18 2000-05-19 Crouzet Automatismes Detecteur de position avec mecanisme d'orientation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1233400A (de) * 1968-08-06 1971-05-26
US5336860A (en) * 1992-04-16 1994-08-09 Wangdat, Inc. Pushbutton actuator
EP0749136B1 (de) * 1995-06-14 2003-04-09 Eao Ag Türöffnerschalter
FR2748151B1 (fr) 1996-04-30 1998-07-10 Crouzet Automatismes Systeme de commande manuelle d'un organe de commutation electrique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556768A (en) * 1983-01-12 1985-12-03 Omron Tateisi Electronics Co. Limit switch assembly
US4740661A (en) * 1985-03-08 1988-04-26 Kabushiki Kaisha Sagami Denshi Kogyo Seesaw switch
DE19704611A1 (de) * 1997-02-07 1998-08-13 Baer Elektrowerke Gmbh & Co Kg Tastschalter mit langem Nachlaufweg
DE19808060A1 (de) * 1998-02-26 1999-09-09 Euchner Gmbh & Co Grenztaster
FR2785985A1 (fr) * 1998-11-18 2000-05-19 Crouzet Automatismes Detecteur de position avec mecanisme d'orientation

Also Published As

Publication number Publication date
FR2800506A1 (fr) 2001-05-04
EP1096525B1 (de) 2006-09-27
ES2270798T3 (es) 2007-04-16
US6396014B1 (en) 2002-05-28
DE60030934D1 (de) 2006-11-09
DE60030934T2 (de) 2007-03-15
FR2800506B1 (fr) 2002-01-04

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