EP0086692B1 - Ignition distributor shaft - Google Patents

Ignition distributor shaft Download PDF

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Publication number
EP0086692B1
EP0086692B1 EP19830400226 EP83400226A EP0086692B1 EP 0086692 B1 EP0086692 B1 EP 0086692B1 EP 19830400226 EP19830400226 EP 19830400226 EP 83400226 A EP83400226 A EP 83400226A EP 0086692 B1 EP0086692 B1 EP 0086692B1
Authority
EP
European Patent Office
Prior art keywords
plate
sleeve
pole disc
spacer
disc
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
EP19830400226
Other languages
German (de)
French (fr)
Other versions
EP0086692A1 (en
Inventor
Daniel Jobard
Carlos Merino
Jean Vaure
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of EP0086692A1 publication Critical patent/EP0086692A1/en
Application granted granted Critical
Publication of EP0086692B1 publication Critical patent/EP0086692B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/02—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors
    • F02P7/021—Mechanical distributors

Definitions

  • the present invention relates to an ignition distributor support shaft, in particular for magnetically controlled ignition of a motor vehicle, of the type constituting a rotor driven by the distributor shaft and which comprises a sleeve on which are fixed a polar disc and a connected plate. to a centrifugal advance correction device.
  • the rotor of this magnetic control which is in the form of a disc with folded or radial poles, is subjected to the action of centrifugal advance, for this it is integrally connected to a plate which is an element of a conventional centrifugal advance mechanism, on a sleeve which surrounds the distributor shaft so as to be able to offset angularly the assembly thus formed by the sleeve, the disc and the plate, by compared to the distributor shaft.
  • the object of the present invention is to remedy these drawbacks and to this end relates to an ignition distributor support shaft, in particular for magnetic control ignition for a motor vehicle, comprising a sleeve driven in rotation by the distributor shaft, sleeve provided a shoulder on which a polar disc rests, a plate coaxial with the polar disc and connected to the centrifugal advance correction device secured to the shaft also being carried by the sleeve, the polar disc and the plate being separated l 'one of the other, characterized in that the spacing between the polar disc and the plate is obtained by a spacer comprising orientation fingers of the polar disc relative to the plate, the assembly formed by the polar disc l' spacer and the plate being made integral with the sleeve by an assembly means produced in a single operation.
  • the dispenser of FIG. 1 comprises a box in which a shaft 1 pivots which drives in rotation a mechanism 6 for centrifugal advance correction which comprises a plate 5, which can be offset angularly under the action of the masses of the mechanism 6 by means of a steel sleeve 2 which surrounds the shaft 1 and drives a pole disc 3 of steel, which is the rotor of the magnetic ignition control.
  • the plate 5 and the disc 3 are fixedly held on the sleeve 2 after being oriented relative to each other and are located near the mechanism 6.
  • a spacer 4 ensures on the one hand the necessary spacing between the disk 3 and the plate 5, and on the other hand the orientation of the disk 3 relative to the plate 5, and is made for example of steel sintered or zamak (registered name) or polyamide 6.6 loaded with glass fiber.
  • the assembly thus formed by the disc 3, the spacer 4 and the plate 5 is disposed around the sleeve 2 bearing against a shoulder 7 of said sleeve 2 and then immobilized so as to form an assembly with the sleeve 2, the plate 5 being located against the shoulder 7.
  • the spacer 4a is of substantially annular shape and comprises at one of its ends fingers 8a capable of cooperating with corresponding orifices 9a produced in the polar disc 3a, and radially towards this same end of the crown portions 10a whose internal diameter 12 corresponds to the external diameter of the sleeve 3a.
  • These crown portions may include recesses 11 capable of serving as a reservoir for an injected material.
  • the sleeve 2a has a shoulder 7a, which can be a collar as shown in FIG. 3 against which the polar disc 3a is supported.
  • the polar disc 3a has at its center tongues 13a folded back inside the spacer 4a alternately between the crown portions 10a.
  • said sleeve includes grooves 14a capable of ensuring the anchoring of a supply of material.
  • the plate 5a forming part of the centrifugal advance mechanism 6 has a crenellated central opening 15a.
  • the assembly of such a support shaft is then carried out as follows: the disc 3a is placed against the flange 7a, which conceals by its dimensions the orifices created by the production of the claws 13a and thus ensures a good flow of the flow by the steel-steel contact, the spacer 4a is then placed around the claws 13a, against the disc 3a, the fingers 8a in the orifices 9a of the disc 3a, the plate 5a is then placed against the spacer 4a according to the necessary orientation of the disc 3a relative to this spacer 4a, then a zamak hub is injected inside the spacer 4a around the sleeve 2a, and ensures the connection of all the elements between them by anchoring the claws 13a in the zamak, by anchoring the zamak in the ridges 14a, in the slots 15a, and by a flange 16a produced during the injection against the external face of the plate 5a, and possibly by the penetration of the zamak in the housings 11a.
  • the spacer 4b is in the form of a ring whose inner diameter corresponds to the outer diameter of the sleeve 2b and which comprises towards a from these ends of the fingers 8b and towards the other of the fingers 17.
  • the polar disc 3b includes notches 19 able to receive the fingers 8b and the plate 5b notches 20 able to receive the fingers 17.
  • the polar disc 3a and the plate 5a are then automatically oriented relative to each other by the presence of these fingers 8b and 17.
  • Maintaining the assembly thus formed is then ensured by means of crimping by folding down a flange 16b of the sleeve 2b against the plate 5b.
  • the fixing in rotation is obtained by the penetration of the flange 16b into recesses 19 made on the external face of the plate 5b.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

La présente invention concerne un arbre support de distributeur d'allumage notamment pour allumage à commande magnétique de véhicule automobile, du type constituant un rotor entraîné par l'arbre du distributeur et qui comprend un manchon sur lequel sont fixés un disque polaire et un plateau relié à un dispositif de correction d'avance centrifuge.The present invention relates to an ignition distributor support shaft, in particular for magnetically controlled ignition of a motor vehicle, of the type constituting a rotor driven by the distributor shaft and which comprises a sleeve on which are fixed a polar disc and a connected plate. to a centrifugal advance correction device.

Dans les distributeurs d'allumage à commande magnétique le rotor de cette commande magnétique qui se présente sous la forme d'un disque avec des pôles repliés ou radiaux est soumis à l'action de l'avance centrifuge, pour cela il est relié solidairement à un plateau qui est un élément d'un mécanisme d'avance centrifuge conventionnel, sur un manchon qui entoure l'arbre du distributeur de façon à pouvoir décaler angulaire- ment l'ensemble ainsi formé par le manchon, le disque et le plateau, par rapport à l'arbre du distributeur.In magnetically controlled ignition distributors, the rotor of this magnetic control, which is in the form of a disc with folded or radial poles, is subjected to the action of centrifugal advance, for this it is integrally connected to a plate which is an element of a conventional centrifugal advance mechanism, on a sleeve which surrounds the distributor shaft so as to be able to offset angularly the assembly thus formed by the sleeve, the disc and the plate, by compared to the distributor shaft.

Il est connu d'assurer la liaison du disque et du plateau par une pluralité d'épaulements réalisés sur le manchon puis d'effectuer pour chacun d'eux une opération d'immobilisation telle que brasage, soudage ou sertissage, ceci entraîne une multiplication des opérations, des déformations du matériau et conséquemment une augmentation importante du prix de revient. De plus l'indexation du disque polaire et du plateau nécessite des moyens onéreux pour obtenir une bonne orientation des deux éléments entre eux.It is known to ensure the connection of the disc and the plate by a plurality of shoulders made on the sleeve and then to perform for each of them an immobilization operation such as soldering, welding or crimping, this leads to a multiplication of operations, deformations of the material and consequently a significant increase in the cost price. In addition, the indexing of the polar disc and of the plate requires expensive means to obtain a good orientation of the two elements between them.

La présente invention a pour but de remédier à ces inconvénients et concerne à cet effet un arbre support de distributeur d'allumage, notamment pour allumage à commande magnétique pour véhicule automobile, comprenant un manchon entraîné en rotation par l'arbre du distributeur, manchon muni d'un épaulement sur lequel s'appuie un disque polaire, un plateau coaxial au disque polaire et relié au dispositif de correction d'avance centrifuge solidaire de l'arbre étant également porté par le manchon, le disque polaire et le plateau étant écartés l'un de l'autre, caractérisé en ce que l'écartement entre le disque polaire et le plateau est obtenu par une entretoise comportant des doigts d'orientation du disque polaire par rapport au plateau, l'ensemble formé par le disque polaire l'entretoise et le plateau étant rendu solidaire du manchon par un moyen d'assemblage réalisé en une seule opération.The object of the present invention is to remedy these drawbacks and to this end relates to an ignition distributor support shaft, in particular for magnetic control ignition for a motor vehicle, comprising a sleeve driven in rotation by the distributor shaft, sleeve provided a shoulder on which a polar disc rests, a plate coaxial with the polar disc and connected to the centrifugal advance correction device secured to the shaft also being carried by the sleeve, the polar disc and the plate being separated l 'one of the other, characterized in that the spacing between the polar disc and the plate is obtained by a spacer comprising orientation fingers of the polar disc relative to the plate, the assembly formed by the polar disc l' spacer and the plate being made integral with the sleeve by an assembly means produced in a single operation.

Les description qui va suivre en regard des schémas annexés fera mieux comprendre comment l'invention peut être réalisée.

  • La figure 1 représente un distributeur équipé d'un arbre de distributeur conforme à l'invention.
  • La figure 2 représente une entretoise conforme à l'invention.
  • La figure 3 représente un premier mode de réalisation possible de l'invention suivant la coupe III III de la figure 2.
  • La figure 4 représente une variante de réalisation de l'entretoise conforme à l'invention.
  • La figure 5 représente une variante de la réalisation possible de l'invention suivant la coupe V V de la figure 4.
The description which follows with reference to the appended diagrams will make it easier to understand how the invention can be implemented.
  • FIG. 1 represents a distributor equipped with a distributor shaft according to the invention.
  • Figure 2 shows a spacer according to the invention.
  • FIG. 3 represents a first possible embodiment of the invention according to section III III of FIG. 2.
  • Figure 4 shows an alternative embodiment of the spacer according to the invention.
  • FIG. 5 represents a variant of the possible embodiment of the invention along the section VV of FIG. 4.

De façon connue le distributeur de la figure 1 comporte un boîtier dans lequel tourillonne un arbre 1 qui entraîne en rotation un mécanisme 6 de correction d'avance centrifuge lequel comporte un plateau 5, qui peut se décaler angulaire- ment sous l'action des masses du mécanisme 6 par l'intermédiaire d'un manchon 2 en acier qui entoure l'arbre 1 et entraîne un disque polaire 3 en acier, qui est le rotor de la commande magnétique de l'allumage.In a known manner, the dispenser of FIG. 1 comprises a box in which a shaft 1 pivots which drives in rotation a mechanism 6 for centrifugal advance correction which comprises a plate 5, which can be offset angularly under the action of the masses of the mechanism 6 by means of a steel sleeve 2 which surrounds the shaft 1 and drives a pole disc 3 of steel, which is the rotor of the magnetic ignition control.

Le plateau 5 et le disque 3 sont maintenus fixement sur le manchon 2 après avoir été orientés l'un par rapport à l'autre et sont situés à proximité du mécanisme 6.The plate 5 and the disc 3 are fixedly held on the sleeve 2 after being oriented relative to each other and are located near the mechanism 6.

Conformément à l'invention une entretoise 4 assure d'une part l'écartement nécessaire entre le disque 3 et le plateau 5, et d'autre part l'orientation du disque 3 par rapport au plateau 5, et est réalisée par exemple en acier fritté ou en zamak (nom déposé) ou en polyamide 6.6 chargée de fibre de verre.According to the invention, a spacer 4 ensures on the one hand the necessary spacing between the disk 3 and the plate 5, and on the other hand the orientation of the disk 3 relative to the plate 5, and is made for example of steel sintered or zamak (registered name) or polyamide 6.6 loaded with glass fiber.

L'ensemble ainsi formé par le disque 3, l'entretoise 4 et le plateau 5 est disposé autour du manchon 2 en appui contre un épaulement 7 dudit manchon 2 puis immobilisé de façon à faire un ensemble avec le manchon 2, le plateau 5 étant situé contre l'épaulement 7.The assembly thus formed by the disc 3, the spacer 4 and the plate 5 is disposed around the sleeve 2 bearing against a shoulder 7 of said sleeve 2 and then immobilized so as to form an assembly with the sleeve 2, the plate 5 being located against the shoulder 7.

Suivant un premier mode de réalisation selon les figures 2 et 3 l'entretoise 4a est de forme sensiblement annulaire et comporte à une de ses extrémités des doigts 8a aptes à coopérer avec des orifices correspondants 9a réalisés dans le disque polaire 3a, et radialement vers cette même extrémité des portions de couronne 10a dont le diamètre intérieur 12 correspond au diamètre extérieur du manchon 3a. Ces portions de couronne peuvent comporter des évidements 11 susceptibles de servir de réservoir à une matière injectée.According to a first embodiment according to FIGS. 2 and 3, the spacer 4a is of substantially annular shape and comprises at one of its ends fingers 8a capable of cooperating with corresponding orifices 9a produced in the polar disc 3a, and radially towards this same end of the crown portions 10a whose internal diameter 12 corresponds to the external diameter of the sleeve 3a. These crown portions may include recesses 11 capable of serving as a reservoir for an injected material.

Le manchon 2a comporte un épaulement 7a, qui peut être une collerette comme représenté à la figure 3 contre lequel le disque polaire 3a est en appui.The sleeve 2a has a shoulder 7a, which can be a collar as shown in FIG. 3 against which the polar disc 3a is supported.

Le disque polaire 3a comporte en son centre des languettes 13a rabattues à l'intérieur de l'entretoise 4a alternativement entre les portions de couronne 10a.The polar disc 3a has at its center tongues 13a folded back inside the spacer 4a alternately between the crown portions 10a.

Au niveau de la partie du manchon 2a entouré par l'entretoise 4a, ledit manchon comporte des stries 14a apte à assurer l'ancrage d'un apport de matière.At the part of the sleeve 2a surrounded by the spacer 4a, said sleeve includes grooves 14a capable of ensuring the anchoring of a supply of material.

Le plateau 5a faisant partie du mécanisme 6 d'avance centrifuge comporte une ouverture centrale 15a crénelée.The plate 5a forming part of the centrifugal advance mechanism 6 has a crenellated central opening 15a.

L'assemblage d'un tel arbre support s'effectue alors de la façon suivante: le disque 3a est placé contre la collerette 7a, laquelle dissimule par ses dimensions les orifices créés par la réalisation des griffes 13a et assure ainsi un bon passage du flux par le contact acier-acier, l'entretoise 4a est ensuite disposée autour des griffes 13a, contre le disque 3a, les doigts 8a dans les orifices 9a du disque 3a, le plateau 5a est ensuite placé contre l'entretoise 4a suivant l'orientation nécessaire du disque 3a par rapport à cette entretoise 4a, puis un moyeu en zamak est injecté à l'intérieur de l'entretoise 4a autour du manchon 2a, et assure la liaison de tous les éléments entre eux par ancrage des griffes 13a dans le zamak, par ancrage du zamak dans les stries 14a, dans les créneaux 15a, et par une collerette 16a réalisée lors de l'injection contre la face extérieure du plateau 5a, et éventuellement par la pénétration du zamak dans les logements 11a.The assembly of such a support shaft is then carried out as follows: the disc 3a is placed against the flange 7a, which conceals by its dimensions the orifices created by the production of the claws 13a and thus ensures a good flow of the flow by the steel-steel contact, the spacer 4a is then placed around the claws 13a, against the disc 3a, the fingers 8a in the orifices 9a of the disc 3a, the plate 5a is then placed against the spacer 4a according to the necessary orientation of the disc 3a relative to this spacer 4a, then a zamak hub is injected inside the spacer 4a around the sleeve 2a, and ensures the connection of all the elements between them by anchoring the claws 13a in the zamak, by anchoring the zamak in the ridges 14a, in the slots 15a, and by a flange 16a produced during the injection against the external face of the plate 5a, and possibly by the penetration of the zamak in the housings 11a.

Selon un autre mode de réalisation représenté sur les figures 4 et 5 l'entretoise 4b, plus particulièrement réalisée en fer fritté, se présente sous la forme d'un anneau dont le diamètre intérieur correspond au diamètre extérieur du manchon 2b et qui comporte vers une de ces extrémités des doigts 8b et vers l'autre des doigts 17.According to another embodiment shown in Figures 4 and 5 the spacer 4b, more particularly made of sintered iron, is in the form of a ring whose inner diameter corresponds to the outer diameter of the sleeve 2b and which comprises towards a from these ends of the fingers 8b and towards the other of the fingers 17.

Le disque polaire 3b comporte des échancrures 19 aptes à recevoir les doigts 8b et le plateau 5b des échancrures 20 aptes à recevoir les doigts 17.The polar disc 3b includes notches 19 able to receive the fingers 8b and the plate 5b notches 20 able to receive the fingers 17.

Le disque polaire 3a et le plateau 5a sont alors automatiquement orientés l'un par rapport à l'autre par la présence de ces doigts 8b et 17.The polar disc 3a and the plate 5a are then automatically oriented relative to each other by the presence of these fingers 8b and 17.

Le maintien de l'ensemble ainsi formé est alors assuré au moyen d'un sertissage par rabattement d'une collerette 16b du manchon 2b contre le plateau 5b.Maintaining the assembly thus formed is then ensured by means of crimping by folding down a flange 16b of the sleeve 2b against the plate 5b.

La fixation en rotation est obtenue par la pénétration de la collerette 16b dans des creux 19 réalisés sur la face externe du plateau 5b.The fixing in rotation is obtained by the penetration of the flange 16b into recesses 19 made on the external face of the plate 5b.

Claims (6)

1. Ignition distributor support shaft, particularly for magnetically controlled ignition of a motor vehicle, comprising a sleeve (2) driven in rotation by the shaft (1) of the distributor, the said sleeve (2) being provided with a shoulder (7), on which bears a pole disc (3), a plate (5) coaxial relative to the pole disc (3) and connected to the centrifugal advance correction device (6) fixed to the shaft (1) being likewise carried by the sleeve (2), the pole disc (3) and the plate (5) being spaced from one another, characterized in that the spacing between the pole disc (3) and the plate (5) is obtained by means of a spacer (4a, 4b) having fingers (17) and/or (8a, 8b) orienting the pole disc (3) relative to the plate (5), the assembly formed by the pole disc (3), spacer (4a, 4b) and plate (5) being fixed to the sleeve (2) by a means fo assembly carried out in a single operation.
2. Support shaft according to Claim 1, characterized in that the pole disc (3a) has orifices (9a) in which fingers (8a) of the spacer (4a) are received.
3. Support shaft according to Claim 1, characterized in that the means of assembly is produced by the provision of a hub (18) obtained by injecting a metal alloy inside the spacer (4a), turned-down central tabs (13a) of the pole disc (3a) being anchored in the said hub (18).
4. Support shaft according to Claim 3, characterized in that the injected material is a casting zinc alloy.
5. Support shaft according to Claims 1 to 4, characterized in that the plate (5a) has a plurality of notches (15a) on the periphery of its central orifice, the injected material being anchored in these, and a collar (16a) obtained during injection fixes the pole disc (3a) and the plate (5a) to the sleeve (2a).
6. Support shaft according to Claim 1, characterized in that the means of assembly is formed by a collar (16b) obtained by turning down the end of the sleeve (2b) against the plate (5b), so as to fix it to the pole disc (3b), in the identations (19 and 20) of which fingers (8b) and (17) of the spacer (4b) are received respectively.
EP19830400226 1982-02-17 1983-02-03 Ignition distributor shaft Expired EP0086692B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202559 1982-02-17
FR8202559A FR2521644B1 (en) 1982-02-17 1982-02-17 IGNITION VALVE SUPPORT SHAFT

Publications (2)

Publication Number Publication Date
EP0086692A1 EP0086692A1 (en) 1983-08-24
EP0086692B1 true EP0086692B1 (en) 1987-04-22

Family

ID=9271054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830400226 Expired EP0086692B1 (en) 1982-02-17 1983-02-03 Ignition distributor shaft

Country Status (4)

Country Link
EP (1) EP0086692B1 (en)
DE (1) DE3371108D1 (en)
ES (1) ES519578A0 (en)
FR (1) FR2521644B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1475173A (en) * 1966-04-06 1967-03-31 Bosch Gmbh Robert Ignition distributor equipped with a centrifugal regulator for internal combustion engines
FR1519700A (en) * 1967-02-08 1968-04-05 Ducellier & Cie Centrifuged advancement device for internal combustion engine ignition distributor
US3705501A (en) * 1971-07-08 1972-12-12 Floyd M Minks Distributor with rotor advance input control

Also Published As

Publication number Publication date
ES8400544A1 (en) 1983-11-16
EP0086692A1 (en) 1983-08-24
ES519578A0 (en) 1983-11-16
FR2521644B1 (en) 1986-09-26
DE3371108D1 (en) 1987-05-27
FR2521644A1 (en) 1983-08-19

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