EP0099998B1 - Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne - Google Patents

Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne Download PDF

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Publication number
EP0099998B1
EP0099998B1 EP83106479A EP83106479A EP0099998B1 EP 0099998 B1 EP0099998 B1 EP 0099998B1 EP 83106479 A EP83106479 A EP 83106479A EP 83106479 A EP83106479 A EP 83106479A EP 0099998 B1 EP0099998 B1 EP 0099998B1
Authority
EP
European Patent Office
Prior art keywords
magnet armature
switching
switching bolt
switch according
stop
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
Application number
EP83106479A
Other languages
German (de)
English (en)
Other versions
EP0099998A1 (fr
Inventor
Karl-Heinz Bögner
Klaus Dr.-Ing. Bolenz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0099998A1 publication Critical patent/EP0099998A1/fr
Application granted granted Critical
Publication of EP0099998B1 publication Critical patent/EP0099998B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding

Definitions

  • the invention relates to an electromagnetic switch according to the first part of claim 1.
  • the switching pin is arranged displaceably with respect to the magnet armature.
  • the switching pin is only moved by the magnet armature during its retraction movement when the magnet armature has already covered part of its path. If the starting device is switched off after the internal combustion engine has been turned on, then the return spring pushes the magnet armature back into its rest position. It is disadvantageous that the magnet armature is brought into its rest position via the single-track gear and by means of the return spring when the starter pinion is removed, but the switching pin does not initially follow the movement of the magnet armature.
  • the contact bridge sticks or welds to the main current contacts, then the force of the return spring is not sufficient to press the contact bridge away from the main current contacts.
  • the main current contacts remain connected via the contact bridge.
  • the starter motor is still connected to the power source and runs without the driver noticing that it is running and damage to the starter motor and electromagnetic switch.
  • the switching pin is therefore provided with additional switching means for inevitably returning the switching pin and thus the contact bridge to the rest position.
  • an electromagnetic switch in which the switching pin is attached to the armature.
  • the assembly of the switching pin / contact bridge assembly with the magnet armature cannot be carried out automatically in a disadvantageous manner in an economical manner for large-volume production. Parts of the assembly are also unnecessarily destroyed when disassembling for adjustment and repair purposes.
  • FIG. 1 shows a first exemplary embodiment of the electromagnetic switch
  • FIG. 2 shows a second exemplary embodiment of the switch
  • FIG. 3 shows a modification of the switching pin according to FIG. 2, in each case in longitudinal section.
  • An electromagnetic switch has a cup-shaped housing 1, which also serves as a yoke.
  • a magnetic core 2 rests on its end face.
  • On one shoulder of the magnetic core 2 sits one end of a brass sleeve 3, the other end of which is inserted into a bore in the bottom of the housing 1.
  • a spring 7 is inserted, which holds the winding support 4 in a tolerance-compensating and shake-proof manner in the housing 1.
  • the magnet armature 15 When the pull-in winding 5 and holding winding 6 are energized, the magnet armature 15 is applied to the magnet core 2 against the force of the return spring 33, which is further tensioned, against the force of the return spring 33, which is further tensioned, via the engagement lever, also not shown, which is articulated on the driver 16 of the magnet armature 15 to engage the pinion of the aforementioned single-speed transmission drawn.
  • the switching bolt 19 resting on the bottom of the blind bore 17 is immediately taken along by the magnet armature 15 and moved further into the switching space 8.
  • the contact bridge 28 arranged on the contact bridge carrier 27 With the support of the contact pressure spring 26, the contact bridge 28 arranged on the contact bridge carrier 27 is pressed against the main current contacts 13 and 14 during the movement of the switching bolt 19 into the switching space 8.
  • FIG. 1 A second embodiment of the electromagnetic switch is shown in Figure 2. As far as the parts are the same as those of Figure 1, they have the same reference numbers.
  • a switching pin 34 is inserted, the end of which lies against the bottom of the blind hole 17 is designed as a stop against which the return spring 33 abuts and which also serves as a guide for the switching pin 34 in the magnet armature 15.
  • the stop 35 is upset, for example, as a flange.
  • the stop 35 is formed, for example, as a flange when spraying.
  • FIG. 3 shows a modification of the switching pin 34 in FIG. 2. As far as the parts are the same as those in Figures 1 and 2, they have the same reference numerals.
  • a metal switching pin 36 inserted into the blind bore 17 of the magnet armature 15 has an upset end 37, which serves as a stop for the return spring 33 and as a guide for the switching pin 36 in the magnet armature 15. Since it can happen during rough operation in motor vehicles that the return spring 33 strikes grooves in the switching pin 36, the switching pin 36 is covered with an adjacent sleeve 38, for example made of a thermoplastic such as glass fiber reinforced ultramid.
  • the sleeve 38 extends from the stop 37 to the section of the switching bolt 36 guided in the longitudinal bore 24 of the magnetic core 2.
  • the end face 39 of the sleeve 38 forms the contact for the end of the contact pressure spring 26, which has its other end on the contact bridge carrier 27 supports.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (7)

1. Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne, avec un boîtier (1), dans lequel est logé, sur une douille de guidage (3), un support de bobinage (4) avec une bobine d'excitation, tandis que sur cette douille est guidée une armature d'aimant (15), avec un noyau d'aimant (2) disposé contre une face frontale du boîtier (1), et vers lequel peut être attirée l'armature d'aimant (15) contre l'action d'un ressort de rappel (33) prenant appui sur le noyau d'aimant (2), sur lequel est guidé, de façon à pouvoir se déplacer un support de pont de contact (27), qui est monté, de façon à pouvoir coulisser contre l'action d'un ressort d'application des contacts (26), sur un axe de contacteur (19, 34, 36) susceptible de se déplacer longitudinalement et s'étendant sur la longueur du noyau d'aimant (2), cet axe de contacteur (19, 34, 36) recevant, conjointement avec le support de pont de contact (27), un pont de contact (28) dans une chambre de contacteur (8) recouverte par un capot (9), chambre dans laquelle sont disposés deux contacts de courant principal (13, 14) faisant saillie dans cette chambre de contacteur (8), contacteur caractérisé en ce que l'axe de contacteur (19, 34, 36) est muni d'une butée (21, 22; 35, 37) à son extrémité insérée dans un alésage (17) de l'armature d'aimant (15), butée contre laquelle s'applique le ressort de rappel (33), cette butée (21, 22; 35, 37) constituant le guidage de l'axe du contacteur (19; 34; 36) dans l'armature d'aimant (15).
2. Contacteur selon la revendication 1, caractérisé en ce que l'axe de contacteur (19) porte, au voisinage de son extrémité (18) insérée dans l'armature d'aimant (15), un disque de butée (21) contre lequel est pressée une pièce de guidage (22) contre laquel s'applique le ressort de rappel (33), cette pièce de guidage (22) comportant une partie de guidage (23), placée dans l'armature d'aimant (15) et s'étendant parallèlement à l'axe du contacteur (19).
3. Contacteur selon la revendication 1, caractérisé en ce que l'extrémité de l'axe du contacteur (34; 36) insérée dans l'armature d'aimant (15) revêt la forme d'une collerette (35; 37) sur laquelle s'applique une extrémité du ressort de rappel (33) et qui est guidée dans l'armature d'aimant (15).
4. Contacteur selon une des revendications 1 à 3, caractérisé en ce que l'axe du contacteur (19; 34; 36) est en métal.
5. Contacteur selon une des revendications 1 ou 3, caractérisé en ce que l'axe du contacteur (34) est en matière plastique isolante.
6. Contacteur selon une des revendications 1 ou 4, caractérisé en ce que l'axe du contacteur (36), tout au moins dans la zone du ressort de rappel (33), est entouré d'une douille (38) en matière plastique qui s'applique contre la butée (37).
7. Contacteur selon la revendication 6, caractérisé en ce que le ressort d'application des contacts (26) prend appui sur la face frontale (39), opposée à la butée (37) de l'axe du contacteur (36), de la douille (38).
EP83106479A 1982-07-30 1983-07-02 Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne Expired EP0099998B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8221714U DE8221714U1 (de) 1982-07-30 1982-07-30 Elektromagnetischer Schalter, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen
DE8221714U 1982-07-30

Publications (2)

Publication Number Publication Date
EP0099998A1 EP0099998A1 (fr) 1984-02-08
EP0099998B1 true EP0099998B1 (fr) 1985-11-13

Family

ID=6742369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106479A Expired EP0099998B1 (fr) 1982-07-30 1983-07-02 Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne

Country Status (4)

Country Link
US (1) US4604597A (fr)
EP (1) EP0099998B1 (fr)
JP (1) JPS5935335A (fr)
DE (2) DE8221714U1 (fr)

Families Citing this family (33)

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JPH0643979Y2 (ja) * 1985-07-19 1994-11-14 三菱電機株式会社 電磁スイッチ
DE3537598A1 (de) * 1985-10-23 1987-05-27 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen
IT1195123B (it) * 1986-08-07 1988-10-12 Magneti Marelli Spa Dispositivo elettromagnetico di controllo dell alimentazione di corrente al motorino elettrico di avviamento di un motore a combustione interna
US4862123A (en) * 1988-05-05 1989-08-29 General Motors Corporation Solenoid for electric starters
DE3824801A1 (de) * 1988-07-21 1990-01-25 Bosch Gmbh Robert Elektromagnetischer schalter fuer andrehvorrichtungen von brennkraftmaschinen
US5021760A (en) * 1989-10-03 1991-06-04 Clum Manufacturing Company, Inc. Solenoid switch contact and mounting assembly
DE8915089U1 (fr) * 1989-12-22 1990-10-04 Schaltbau Gmbh, 8000 Muenchen, De
JP2646292B2 (ja) * 1991-03-28 1997-08-27 キロヴァック、コーパレイシャン 直流真空リレー装置
DE4117242C1 (fr) * 1991-05-27 1992-07-16 Robert Bosch Gmbh, 7000 Stuttgart, De
FR2697370B1 (fr) * 1992-10-26 1994-12-02 Valeo Equip Electr Moteur Contacteur pour démarreur de moteur à combustion interne de véhicules automobiles.
DE69323182D1 (de) * 1993-06-18 1999-03-04 Philippe Pointout Stromstossschalter
US5493089A (en) * 1994-01-13 1996-02-20 Black & Decker Inc. On/off switch assembly for an electric iron
FR2783090B1 (fr) * 1998-09-03 2000-10-13 Valeo Equip Electr Moteur Contacteur de demarreur a noyau mobile comportant une coupelle rapportee de fermeture
FR2899721B1 (fr) * 2006-04-11 2010-11-05 Diamecans Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
DE202007005133U1 (de) * 2007-04-04 2008-08-14 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
US7728704B2 (en) * 2007-06-07 2010-06-01 Trombetta, Llc Method for reducing continuous charge
KR101004465B1 (ko) * 2008-09-05 2010-12-31 엘에스산전 주식회사 계전기
DE102009001725A1 (de) * 2009-03-23 2010-09-30 Robert Bosch Gmbh Startrelais einer Startvorrichtung für Brennkraftmaschinen
DE102009027844A1 (de) * 2009-07-20 2011-01-27 Robert Bosch Gmbh Schaltrelais mit Kontaktaufreißeinrichtung
DE102009047080B4 (de) * 2009-11-24 2012-03-29 Tyco Electronics Amp Gmbh Elektrischer Schalter
JP6064577B2 (ja) * 2012-12-19 2017-01-25 株式会社デンソー スタータ用電磁スイッチ
JP5991189B2 (ja) * 2012-12-20 2016-09-14 株式会社デンソー スタータ用電磁スイッチ
DE102013210194A1 (de) * 2013-05-31 2014-12-04 Tyco Electronics Amp Gmbh Anordnung für ein elektrisches Schaltelement mit einer Dichtungsanordnung
FR3020715B1 (fr) * 2014-05-05 2016-05-06 Valeo Equip Electr Moteur Dispositif de contact d'un contacteur de demarreur
PL2963667T3 (pl) * 2014-07-03 2017-10-31 Valeo Equip Electr Moteur Pokrywa stycznika rozrusznika do pojazdu silnikowego
US9368266B2 (en) 2014-07-18 2016-06-14 Trumpet Holdings, Inc. Electric solenoid structure having elastomeric biasing member
FR3024585B1 (fr) * 2014-08-01 2016-07-15 Valeo Equip Electr Moteur Contacteur electromagnetique de puissance muni d'une tige de commande a butee d'arret
DE102015212801A1 (de) * 2015-07-08 2017-01-12 Te Connectivity Germany Gmbh Elektrische Schaltanordnung mit verbesserter linearer Lagerung
EP3450742B1 (fr) * 2016-04-26 2019-09-25 Mitsubishi Electric Corporation Dispositif de commutateur électromagnétique pour démarreur
DE112019000694A5 (de) * 2018-02-07 2020-10-15 Tdk Electronics Ag Schaltvorrichtung zum Schalten einer elektrischen Last
JP2020004848A (ja) * 2018-06-28 2020-01-09 日本電産トーソク株式会社 ソレノイド装置
JP6919639B2 (ja) * 2018-10-02 2021-08-18 株式会社デンソー ソレノイド
DE102019106832B4 (de) * 2019-03-18 2022-08-18 Tdk Electronics Ag Kontaktanordnung für eine Schaltvorrichtung und Schaltvorrichtung

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US2561450A (en) * 1945-03-21 1951-07-24 Cutler Hammer Inc Electric switch
DE1514776A1 (de) * 1965-09-18 1969-08-14 Standard Elek K Lorenz Ag Elektromagnetisches Klein-Zylinderrelais
DE6803079U (de) * 1968-10-17 1969-06-19 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer elektrische andrehmotoren in kraftfahrzeugen
US3815060A (en) * 1973-04-19 1974-06-04 Square D Co Electromagnetic contactor for battery powered vehicles
DE7731335U1 (de) * 1977-10-11 1979-03-22 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetische stellvorrichtung
DE2813699C2 (de) * 1978-03-30 1986-08-28 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetischer Schalter, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen
DE3029408A1 (de) * 1980-08-02 1982-03-11 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen
JPS5772229A (en) * 1980-10-22 1982-05-06 Nippon Denso Co Magnetic switch for starter
JPS6326906Y2 (fr) * 1981-02-10 1988-07-21

Also Published As

Publication number Publication date
EP0099998A1 (fr) 1984-02-08
US4604597A (en) 1986-08-05
JPS5935335A (ja) 1984-02-27
DE8221714U1 (de) 1982-09-23
DE3361221D1 (en) 1985-12-19

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