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FR2538037A1 - Composite shaft of electric starter contactor - Google Patents

Composite shaft of electric starter contactor Download PDF

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Publication number
FR2538037A1
FR2538037A1 FR8221784A FR8221784A FR2538037A1 FR 2538037 A1 FR2538037 A1 FR 2538037A1 FR 8221784 A FR8221784 A FR 8221784A FR 8221784 A FR8221784 A FR 8221784A FR 2538037 A1 FR2538037 A1 FR 2538037A1
Authority
FR
France
Prior art keywords
blade
contact plate
pin according
contactor
washer
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
FR8221784A
Other languages
French (fr)
Other versions
FR2538037B1 (en
Inventor
Alfred Bruno Mazzorana
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.)
Societe de Paris et du Rhone SA
Original Assignee
Societe de Paris et du Rhone SA
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 Societe de Paris et du Rhone SA filed Critical Societe de Paris et du Rhone SA
Priority to FR8221784A priority Critical patent/FR2538037B1/en
Publication of FR2538037A1 publication Critical patent/FR2538037A1/en
Application granted granted Critical
Publication of FR2538037B1 publication Critical patent/FR2538037B1/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/02Non-polarised relays
    • H01H51/04Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06Armature 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
    • H01H51/065Relays 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The composite shaft comprises a section 1 made of an insulating material in which is anchored a blade 2 comprising a transverse bar 2b sunk in a head 1a of the section 1 and a bearing surface 2c which engages in a slot 3a of the contact wafer 3. Thus the cross section of the latter on a level with the said slot is virtually identical to that corresponding to its full sections. The bearing surface 2c of the blade is defined by a washer 8 enaging in a lug 2d, the narrower end of which is twisted. Electrical starter for heat engine.

Description

La présente invention est relative à des perfectionnements apportés aux axes de contacteur électromagnétique pour démarreur électriqwe.  The present invention relates to improvements made to the electromagnetic contactor pins for an electric starter.

On sait que dans un grand nombre de démarreurs, l'avance du lanceur s'effectue au moyen d'un levier actionné par un contacteur electromagnetique dont le noyau se déplace paraîlelement a l'-axe du moteur du demarreur. Ce noyau est associé à une plaque-contact mobile qui, en fin de course, vient fermer le circuit d'alimentation du moteur du démarreur A l'encontre d'un ressort de rappel. It is known that in a large number of starters, the advance of the launcher is effected by means of a lever actuated by an electromagnetic contactor, the core of which moves parallel to the axis of the starter motor. This core is associated with a movable contact plate which, at the end of the stroke, comes to close the supply circuit of the starter motor Against a return spring.

Le noyau du contacteur coopere avec un axe mobile qui est prévu soit métallique avec des moyens de l'isoler de la plaque-contact, soit moulé en une matière isolante. Dans les deta deux cas9 le contact mobile est percé en son centre d'un trou d'assez grande importance, de telle sorte que la section droite du contact au niveau de cette ouverture est sensiblement réduite. Dans ces conditions, cette diminution de section doit être compensée par un accroissement de ltepaisseur de la plaque-contact, de telle sorte que son prix de revient est trop élevé. The core of the contactor cooperates with a movable axis which is provided either metallic with means of isolating it from the contact plate, or molded from an insulating material. In the deta two cases9 the movable contact is pierced in its center with a hole of fairly great importance, so that the cross section of the contact at this opening is significantly reduced. Under these conditions, this reduction in section must be compensated by an increase in the thickness of the contact plate, so that its cost price is too high.

Les perfectionnements qui font l'objet de la pressente invention visent à permettre une diminution sensible del'affaiblissement de la section de passage de courant au centre de la plaque-contact, et une simplification du montage. The improvements which are the subject of the present invention aim to allow a substantial reduction in the weakening of the current passage section in the center of the contact plate, and a simplification of the assembly.

Conformément A l'invention, l'axe du contacteur est composite, c'est-A-dire qu'il comprend une partie réalisée en une matière isolante -celle qui est en contact avec le noyau du contacteur- tandis qu'une plaquette est ancrée dans cette partie pour servir de support à la plaque-contact. Celle-ci n'est donc pourvue que d'une fente qui ne diminue pratiquement pas sa section de passage de courant. En outre, il n'y a pas lieu de réaliser d'isolement entre la plaque-contact et la lame puisque celle-ci est soutenue par une pièce isolante. According to the invention, the axis of the contactor is composite, that is to say that it comprises a part made of an insulating material - that which is in contact with the core of the contactor - while a plate is anchored in this part to serve as a support for the contact plate. The latter is therefore only provided with a slot which practically does not reduce its current passage section. In addition, there is no need to provide isolation between the contact plate and the blade since the latter is supported by an insulating part.

Le dessin annexe, donné à titre d'exemple, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer
Fig. 1 est une vue en perspective éclatée d'un axe composite suivant l'invention et de la plaque-contact qui lui est associez.
The accompanying drawing, given by way of example, will make it possible to better understand the invention, the characteristics which it presents and the advantages which it is likely to provide.
Fig. 1 is an exploded perspective view of a composite axis according to the invention and of the contact plate associated therewith.

Fig. 2 est une vue partielle en coupe d'un contacteur de démarreur électrique pourvu des perfectionnements suivant l'invention. Fig. 2 is a partial sectional view of an electric starter switch provided with improvements according to the invention.

Fig. 3 est une coupe suivant III-III (fig. 2). Fig. 3 is a section along III-III (fig. 2).

Fig. 4 illustre une variante de réalisation de l'axe composite suivant l'invention. Fig. 4 illustrates an alternative embodiment of the composite axis according to the invention.

Fig. 5 est une vue en perspective illustrant le verrouillage de la plaque-contact par rapport à la lame. Fig. 5 is a perspective view illustrating the locking of the contact plate relative to the blade.

On a illustré en fig. 1 un axe composite établi suivant l'invention et qui comporte une partie arrière 1; établie en une matière isolante et dans laquelle est ancrée une lame 2 comprenant une queue 2a susceptible d'être engage à chaud ou à force dans la partie 1 ou sur laquelle cette partie est surmoulée. C'est la raison pour laquelle la queue comporte des découpes latérales propres A la retenir-axialement par rapport à ladite partie l A la suite de la queue 2a est disposée une barrette transversale 2b de plus grande largeur que ladite queue et à laquelle fait suite une portée 2c qui se termine par une patte étagée 2d.Dans ces conditions, la plaque-contact 3 ne comprend qu'unie fente de faible surface 3a dans laquelle est engagée à coulissement la portée Scs de telle sorte que la section droite de la plaque-contact 3 au niveau de l'axe composite est très peu diminuée par rapport de celle de la partie pleine de ladite plaque. Illustrated in fig. 1 a composite axis established according to the invention and which comprises a rear part 1; established in an insulating material and in which is anchored a blade 2 comprising a tail 2a capable of being engaged hot or by force in part 1 or on which this part is molded. This is the reason why the tail has lateral cutouts suitable for retaining it axially with respect to said part l. Following the tail 2a is arranged a transverse bar 2b of greater width than said tail and which follows. a scope 2c which ends in a stepped tab 2d. Under these conditions, the contact plate 3 only comprises a small slot of small area 3a in which the bearing Scs is slidably engaged so that the cross section of the plate -contact 3 at the level of the composite axis is very little reduced compared to that of the solid part of said plate.

Comme Illustre en fig. 2, la partie 1 de l'axe est maintenue dans le noyau fixe 4 du contacteur dans lequel elle coulisse lorsque le noyau mobile 5 se déplace vers ladroite à l'encontre de la réaction d'fla ressort 6. On observe que la barrette 2b de la lame 2 est noyée dans une tête la de la partie 1. Entre la plaque-contact 3 et la barrette 2b est dispose un ressort de compression 7 qui appuie ladite plaque-contact contre une rondelle d'arrêt 8 engagée sur la partie à plus grande largeur de la patte étagée 2d. L'extrémité de cette dernière est vrillée pour assurer la retenue de la rondelle 8.Cette dernièra est de profil préférablement polygonal afin de permettre une retenue aise de la partie à plus grande largeur de la patte 2d lorsqu'on vrille son extremi- té.  As illustrated in fig. 2, the part 1 of the axis is held in the fixed core 4 of the contactor in which it slides when the movable core 5 moves to the right against the reaction of the spring 6. It is observed that the bar 2b of the blade 2 is embedded in a head 1a of the part 1. Between the contact plate 3 and the bar 2b is a compression spring 7 which presses said contact plate against a stop washer 8 engaged on the part to greater width of the stepped leg 2d. The end of the latter is twisted to ensure the retention of the washer 8. This latter is preferably of polygonal profile in order to allow easy retention of the part with the greatest width of the tab 2d when its end is twisted.

La plaque-contact 3 est préférablement prévue en une matière conductrice mince de section en U, ee qui permet d'obtenir une bonne rigidité de manière qu'elle assure une excellente transmission du courant entre les deux bornes fixes 9 et 10, c'est- -dire sans échauffement. The contact plate 3 is preferably provided in a thin conductive material of U-shaped cross-section, which allows good rigidity to be obtained so that it ensures excellent current transmission between the two fixed terminals 9 and 10, that is - say without overheating.

On notera que pour permettre le maintien aise de la rondelle 8 au moment du vrillage de l'extremite de la patte 2d, la rondelle pourrait être de forme carme dont deux côtés seraient égaux a la largeur de la plaque-contact 3. Ainsi la retenue de la rondelle s'effectuerait en même temps que celle de ladite plaque-contact. Note that to allow easy maintenance of the washer 8 at the time of the twist of the end of the tab 2d, the washer could be of Carmel shape, two sides of which would be equal to the width of the contact plate 3. Thus the retention of the washer would be made at the same time as that of said contact plate.

SuIvant une variante illustrée en fig. 4, la patte terminale 2d de la lame 2 est remplacée par un embout 2e composé de deux mentonnets 2f, 2g determinant entre eux une fente 2h divergente vers l'extérieur tandis que leurs deux encoches 2i, 2 servent à la retenue de la dernière spire du ressort de compression 7. According to a variant illustrated in fig. 4, the terminal lug 2d of the blade 2 is replaced by an endpiece 2e composed of two jaws 2f, 2g determining between them a slot 2h diverging towards the outside while their two notches 2i, 2 are used to retain the last turn of compression spring 7.

On a mieux illustre en fig. 5 la coopération de ce dernier avec l'embout 2e. On observe que la dernière spire du ressort présente un diamètre inférieur a celiii extérieur dudit embout 9 de telle sorte qu'elle se trouve logée dans les deux encoches 2i2 2j des mentonnets. De manière que ces derniers soient maintenus tendus vers l'extérieur pour emprisonner la dernière spire du ressort 7, celle-ci comporte un prolonge ment radial 7a qui s'engage à force dans le fond de la fente 2h. Ainsi on est assuré de la bonne retenue du ressort 7 par rapport a la lame 2. We have better illustrated in fig. 5 the latter's cooperation with the 2nd nozzle. It can be seen that the last turn of the spring has a smaller diameter than the outside of said end piece 9 so that it is housed in the two notches 2i2 2j of the jaws. So that the latter are kept stretched outward to trap the last turn of the spring 7, the latter comprises a radial extension 7a which engages by force in the bottom of the slot 2h. This ensures that the spring 7 is properly retained relative to the blade 2.

il doit d'ailleurs etre entendu que la description qui précède n'a e te donne qu'à titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution décrits par tous autres équivalents.  it should also be understood that the foregoing description has given you only by way of example and that it in no way limits the field of the invention from which one would not depart by replacing the details of execution described by all other equivalents.

Claims (6)

R E V E N D I C A T I O N SR E V E N D I C A T I O N S 1. Axe de contacteur électromagnétique de démarreur électrique pour moteur thermique, du genre supportant une plaque-contact mobile (3) destinée à fermer le circuit d'alimentation du moteur du démarreur à l'encontre d'un ressort de rappel (7)s earacterisé en ce qu'il comprend une partie cylindrique (1) réalisée en-matière isolante et dans laquelle est encrée une lame qui le prolonge et dont une portée (2c) traverse la plaque-contact (3) dans une fente (3a) de celle-ci afin qu'ellé conserve une section la plus importante possible au droit de la portée (2c).  1. Electromagnetic contactor axis of an electric starter for a heat engine, of the type supporting a movable contact plate (3) intended to close the supply circuit of the starter motor against a return spring (7) s earacterized in that it comprises a cylindrical part (1) made of insulating material and in which is inked a blade which extends it and a bearing (2c) of which crosses the contact plate (3) in a slot (3a) of this so that it retains the largest possible section to the right of the litter (2c). 2. Axe de contacteur suivant la revendication 1, caractérisé en ce que la plaque-contact (3) comporte-des ailes afin qu'elle presente en section transversale la forme d'un U  2. Contactor pin according to claim 1, characterized in that the contact plate (3) has wings so that it presents in cross section the shape of a U 3. Axe de contacteur suivant la revendication 1, caractérisé en ce que la portée (2c) de la lame (2) se termine par une patte étagée (2d) qui est vrillée sur elle-même pour assurer la fixation d'une rondelle (8) qui limite la portée de cette lame 3. Contactor pin according to claim 1, characterized in that the bearing surface (2c) of the blade (2) ends in a stepped tab (2d) which is twisted on itself to ensure the fixing of a washer ( 8) which limits the range of this blade 4. Axe de contacteur suivant la revendication 3, caractrisé en ce que la rondelle (8) est de forme polygonale. 4. Contactor pin according to claim 3, characterized in that the washer (8) is of polygonal shape. 5. Axe de contacteur suivant la revendication 4; caracterise en ce que la rondelle (8) est de forme sensiblement carrée dont deux côtés sont au moins égaux à la largeur de la plaque-contact (3). 5. Contactor pin according to claim 4; characterized in that the washer (8) is of substantially square shape, two sides of which are at least equal to the width of the contact plate (3). 6. Axe de contacteur suivant la revendication 1, caractérisé en ce que la portée (2c) de la lame (2) est limitée par la spire terminale du ressort de rappel (7) qui est disposée dans deux encoches (2i, 2~) diamétralement opposées d'un prolongement (2e) de la portée (2c), lequel est pourvu d'une fente axiale (2h) dans laquelle -s'engage un prolongement radial (7a) de la spire terminale du ressort de rappel (7) en vue d'écarter les deux bords de la fente afin d'assurer la retenue de ladite spire.  6. Contactor pin according to claim 1, characterized in that the range (2c) of the blade (2) is limited by the end turn of the return spring (7) which is arranged in two notches (2i, 2 ~) diametrically opposite an extension (2e) of the bearing surface (2c), which is provided with an axial slot (2h) in which-engages a radial extension (7a) of the end turn of the return spring (7) to separate the two edges of the slot to ensure the retention of said coil.
FR8221784A 1982-12-21 1982-12-21 COMPOSITE AXIS OF ELECTROMAGNETIC CONTACTOR OF ELECTRIC STARTER Expired FR2538037B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8221784A FR2538037B1 (en) 1982-12-21 1982-12-21 COMPOSITE AXIS OF ELECTROMAGNETIC CONTACTOR OF ELECTRIC STARTER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221784A FR2538037B1 (en) 1982-12-21 1982-12-21 COMPOSITE AXIS OF ELECTROMAGNETIC CONTACTOR OF ELECTRIC STARTER

Publications (2)

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FR2538037A1 true FR2538037A1 (en) 1984-06-22
FR2538037B1 FR2538037B1 (en) 1987-04-17

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623326A1 (en) * 1987-11-16 1989-05-19 Equip Electr Moteur Composite shaft of electromagnetic contactor especially of electric starter for motor vehicle
FR2721661A1 (en) * 1994-06-22 1995-12-29 Valeo Equip Electr Moteur Motor vehicle starter switch.
FR2741996A1 (en) * 1995-12-05 1997-06-06 Valeo Equip Electr Moteur STARTER CONTACTOR PROVIDED WITH A MOBILE CONTACT STOPPED BY DEFORMATION AND STARTER PROVIDED WITH SUCH A CONTACTOR
FR2754381A1 (en) * 1996-10-09 1998-04-10 Valeo Equip Electr Moteur Improved starter motor contact manufacture method for cars
EP0899765A1 (en) * 1997-09-01 1999-03-03 Valeo Equipements Electriques Moteur Contactor for a vehicle starter motor
FR2770334A1 (en) * 1997-10-28 1999-04-30 Valeo Equip Electr Moteur STARTER CONTACTOR COMPRISING AN IMPROVED MOBILE CONTACT AND MOTOR VEHICLE STARTER PROVIDED WITH SUCH A CONTACTOR
WO2013170772A1 (en) * 2012-05-17 2013-11-21 博世汽车部件(长沙)有限公司 Vehicle starter and electromagnetic switch thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310334A (en) * 1941-01-27 1943-02-09 Honeywell Regulator Co Relay
FR984257A (en) * 1948-04-24 1951-07-04 Crabtree & Co Ltd J A Movable contacts for electrical switches
US2977438A (en) * 1959-06-29 1961-03-28 Morschel Franz Relay-contactor
GB1057058A (en) * 1964-07-28 1967-02-01 B & R Relays Ltd Electrical contactor
LU53705A1 (en) * 1966-05-24 1967-07-19
US3597562A (en) * 1969-07-23 1971-08-03 Square D Co Movable contact structure for an electric switch
US3815060A (en) * 1973-04-19 1974-06-04 Square D Co Electromagnetic contactor for battery powered vehicles
FR2488041A1 (en) * 1980-08-02 1982-02-05 Bosch Gmbh Robert Contactor for IC engine starter motor - has armature coaxially slidable on actuator rod and is biassed by return spring

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310334A (en) * 1941-01-27 1943-02-09 Honeywell Regulator Co Relay
FR984257A (en) * 1948-04-24 1951-07-04 Crabtree & Co Ltd J A Movable contacts for electrical switches
US2977438A (en) * 1959-06-29 1961-03-28 Morschel Franz Relay-contactor
GB1057058A (en) * 1964-07-28 1967-02-01 B & R Relays Ltd Electrical contactor
LU53705A1 (en) * 1966-05-24 1967-07-19
US3597562A (en) * 1969-07-23 1971-08-03 Square D Co Movable contact structure for an electric switch
US3815060A (en) * 1973-04-19 1974-06-04 Square D Co Electromagnetic contactor for battery powered vehicles
FR2488041A1 (en) * 1980-08-02 1982-02-05 Bosch Gmbh Robert Contactor for IC engine starter motor - has armature coaxially slidable on actuator rod and is biassed by return spring

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623326A1 (en) * 1987-11-16 1989-05-19 Equip Electr Moteur Composite shaft of electromagnetic contactor especially of electric starter for motor vehicle
FR2721661A1 (en) * 1994-06-22 1995-12-29 Valeo Equip Electr Moteur Motor vehicle starter switch.
FR2741996A1 (en) * 1995-12-05 1997-06-06 Valeo Equip Electr Moteur STARTER CONTACTOR PROVIDED WITH A MOBILE CONTACT STOPPED BY DEFORMATION AND STARTER PROVIDED WITH SUCH A CONTACTOR
EP0778601A1 (en) * 1995-12-05 1997-06-11 Valeo Equipements Electriques Moteur Starter contactor provided with a stop for movable contact made by deformation and the vehicle starter equipped with such a contactor
FR2754381A1 (en) * 1996-10-09 1998-04-10 Valeo Equip Electr Moteur Improved starter motor contact manufacture method for cars
EP0899765A1 (en) * 1997-09-01 1999-03-03 Valeo Equipements Electriques Moteur Contactor for a vehicle starter motor
FR2767960A1 (en) * 1997-09-01 1999-03-05 Valeo Equip Electr Moteur VEHICLE STARTER CONTACTOR
FR2770334A1 (en) * 1997-10-28 1999-04-30 Valeo Equip Electr Moteur STARTER CONTACTOR COMPRISING AN IMPROVED MOBILE CONTACT AND MOTOR VEHICLE STARTER PROVIDED WITH SUCH A CONTACTOR
EP0913847A1 (en) * 1997-10-28 1999-05-06 Valeo Equipements Electriques Moteur Starter contactor having an improve movable contact and vehicle starter equipped with such contactor
WO2013170772A1 (en) * 2012-05-17 2013-11-21 博世汽车部件(长沙)有限公司 Vehicle starter and electromagnetic switch thereof
CN103426691A (en) * 2012-05-17 2013-12-04 博世汽车部件(长沙)有限公司 Vehicle starter and electromagnetic switch thereof
CN103426691B (en) * 2012-05-17 2016-08-17 博世汽车部件(长沙)有限公司 Vehicle starter and electromagnetic switch thereof

Also Published As

Publication number Publication date
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