EP1445784A1 - Microrupteur comportant un levier à transmission - Google Patents

Microrupteur comportant un levier à transmission Download PDF

Info

Publication number
EP1445784A1
EP1445784A1 EP04002685A EP04002685A EP1445784A1 EP 1445784 A1 EP1445784 A1 EP 1445784A1 EP 04002685 A EP04002685 A EP 04002685A EP 04002685 A EP04002685 A EP 04002685A EP 1445784 A1 EP1445784 A1 EP 1445784A1
Authority
EP
European Patent Office
Prior art keywords
lever
switch according
side wall
base plate
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.)
Granted
Application number
EP04002685A
Other languages
German (de)
English (en)
Other versions
EP1445784B1 (fr
Inventor
Harald Weiss
Alexander Müller
Bernhard Graf
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.)
Chr Mayr GmbH and Co KG
Original Assignee
Chr Mayr GmbH and Co 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 Chr Mayr GmbH and Co KG filed Critical Chr Mayr GmbH and Co KG
Publication of EP1445784A1 publication Critical patent/EP1445784A1/fr
Application granted granted Critical
Publication of EP1445784B1 publication Critical patent/EP1445784B1/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
    • 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
    • H01H13/18—Operating parts, e.g. push-button 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
    • H01H13/186—Operating parts, e.g. push-button 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 wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • H01H2003/466—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle using a living hinge to connect the levers

Definitions

  • the invention relates to a microswitch with electrical contacts according to the Preamble of protection claim 1.
  • Such a microswitch is known from DE-PS 40 02 371 C2. Doing so a multi-bend shift lever is used, with the main focus on the sealing of the lever's opening into the interior of the microswitch housing lies.
  • Another microswitch is known for example from GbM 89 08 271.0, where two levers of different lengths are hinged together, in order to have a very low actuation force with the smallest possible size to enable, while still ensuring a large contact force should, as is required when switching high powers.
  • Comparable microswitches are advantageous when monitoring electromagnets used as for the actuation of magnetically controlled safety brakes for elevators and magnetically controlled mechanical shaft couplings and the like.
  • the invention has for its object to such a microswitch create that enables cheap mass production, but still at Translation of small routes into long routes has a long service life and is reliable is working.
  • the microswitch 1 according to Fig. 1 has a conventional one, not shown electrical contact arrangement, which preferably consists of a housing 9 Poured plastic and is therefore not visible. From the mobile A plunger 2 extends to contacts of the electrical contact arrangement Actuation laterally out of the housing 9. The plunger 2 is against one Switch lever 3, which is provided with a longitudinal bead 3a for stiffening can also be replaced by a rib.
  • the shift lever 3 continues in a fixed joint 4, of which an intermediate lever 5 is at right angles with a Extends longitudinal bead 5a, which has a fixed joint 6 at its other end, from which a side wall 7 of a base plate 8 protrudes at right angles.
  • the Housing 9 is fastened to base plate 8 by means of screws 11; the whole
  • the microswitch itself is a closed unit using additional screws 10 attached to the unit to be monitored (see Fig. 4).
  • the fixed joint 6 should be as resilient as possible and can thereby be created be that the material is somewhat weakened at this point, e.g. B. by drilling, constricting or reducing the material thickness.
  • the other fixed joint 4 should be as rigid as possible, so that there is a deflection of the intermediate lever 5 about the axis of the fixed joint 6 transmits largely rigidly to the shift lever 3.
  • Suitable materials are sheet metal, plastic injection molding or another corrosion-resistant material.
  • the lever “b” is the distance the point P (point of application of the actuating force) to the joint 6 and the lever “a” is the distance between point S (point of action of plunger 2) and angle 4.
  • FIG. 3 is an intermediate product for the manufacture of the lever arrangement described seen.
  • This intermediate product is a one-piece flat Workpiece, a flat plate, the base plate 8, the side wall 7, the lever 5 and 3 and the fixed joints 6 and 4 includes.
  • the intermediate product is the side wall 7 along a groove 8a or the like. bent at right angles, as well as levers 5 and 3 at right angles to those described Fixed joints 6 and 4.
  • a microswitch 1 on a unit to be controlled for. B.
  • one Electromagnetically released brake shows Fig. 4, after which the cylindrical Magnetic body 12 is provided on the circumference, in the direction of a cylinder surface line has longitudinal groove 13 into which the microswitch 1 as Unit is used.
  • the magnet armature 14 is an axially projecting in the direction of a surface line short switching pin 15 is provided which according to the switching point P of the lever 5 Fig. 2 attacks the axial displacement of the armature 14 on the Transfer lever 5 of the microswitch.
  • the claimed and described invention not only solves the underlying Task but also has the beneficial effects that no undesired relative movement of the individual parts against each other occurs; the arrangement is free of play, no lubrication is necessary, none can Eating or jamming parts.
  • the operating force is low.
  • the lever arrangement is - apart from the joint 6 - sufficiently stiff so that none when loaded noteworthy deformation occurs.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Manufacture Of Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
EP04002685A 2003-02-10 2004-02-06 Microrupteur comportant un levier à transmission Expired - Lifetime EP1445784B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20302055U 2003-02-10
DE20302055U DE20302055U1 (de) 2003-02-10 2003-02-10 Mikroschalter mit integrierter Hebelübersetzung

Publications (2)

Publication Number Publication Date
EP1445784A1 true EP1445784A1 (fr) 2004-08-11
EP1445784B1 EP1445784B1 (fr) 2006-05-17

Family

ID=7979876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04002685A Expired - Lifetime EP1445784B1 (fr) 2003-02-10 2004-02-06 Microrupteur comportant un levier à transmission

Country Status (3)

Country Link
EP (1) EP1445784B1 (fr)
AT (1) ATE326765T1 (fr)
DE (2) DE20302055U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010069975A1 (fr) * 2008-12-18 2010-06-24 Valeo Securite Habitacle Dispositif de commande comportant un interrupteur, boîtier de dispositif de commande et interrupteur pour dispositif de commande
CN102963788A (zh) * 2012-11-15 2013-03-13 常熟市琴茂机械有限公司 一种制动器状态的检测机构
EP3552900B1 (fr) * 2018-04-10 2024-03-13 Hymer GmbH & Co. KG Dispositif d'activation et de désactivation d'un système automatique marche-arrêt d'un véhicule

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2962008B1 (fr) 2013-03-01 2018-09-05 SEW-EURODRIVE GmbH & Co. KG Frein à ressort à actionnement électromagnétique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809837A (en) * 1971-09-30 1974-05-07 Matsushita Electric Works Ltd Microswitch with readily removable leaf spring actuating means
US4782200A (en) * 1985-08-30 1988-11-01 Alps Electric Co., Ltd. Switch assembly
EP0340318A1 (fr) * 1988-05-02 1989-11-08 Kinaros Anstalt Appareil d'estampage pour des documents personnels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809837A (en) * 1971-09-30 1974-05-07 Matsushita Electric Works Ltd Microswitch with readily removable leaf spring actuating means
US4782200A (en) * 1985-08-30 1988-11-01 Alps Electric Co., Ltd. Switch assembly
EP0340318A1 (fr) * 1988-05-02 1989-11-08 Kinaros Anstalt Appareil d'estampage pour des documents personnels

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010069975A1 (fr) * 2008-12-18 2010-06-24 Valeo Securite Habitacle Dispositif de commande comportant un interrupteur, boîtier de dispositif de commande et interrupteur pour dispositif de commande
FR2940505A1 (fr) * 2008-12-18 2010-06-25 Valeo Securite Habitacle Dispositif de commande comportant un interrupteur, boitier de dispositif de commande et interrupteur pour dispositif de commande
CN102356446A (zh) * 2008-12-18 2012-02-15 法雷奥安全座舱公司 包括开关的控制设备、控制设备壳体和用于控制设备的开关
CN102963788A (zh) * 2012-11-15 2013-03-13 常熟市琴茂机械有限公司 一种制动器状态的检测机构
EP3552900B1 (fr) * 2018-04-10 2024-03-13 Hymer GmbH & Co. KG Dispositif d'activation et de désactivation d'un système automatique marche-arrêt d'un véhicule

Also Published As

Publication number Publication date
DE20302055U1 (de) 2003-04-10
ATE326765T1 (de) 2006-06-15
EP1445784B1 (fr) 2006-05-17
DE502004000548D1 (de) 2006-06-22

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