EP1167671A1 - Hinge with integrated door stop - Google Patents

Hinge with integrated door stop Download PDF

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Publication number
EP1167671A1
EP1167671A1 EP01401664A EP01401664A EP1167671A1 EP 1167671 A1 EP1167671 A1 EP 1167671A1 EP 01401664 A EP01401664 A EP 01401664A EP 01401664 A EP01401664 A EP 01401664A EP 1167671 A1 EP1167671 A1 EP 1167671A1
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EP
European Patent Office
Prior art keywords
door
knuckle
hinge assembly
cam
door hinge
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.)
Withdrawn
Application number
EP01401664A
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German (de)
French (fr)
Inventor
Francis Parizel
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.)
Oxford Automotive Mecanismes et Decoupage Fin SAS
Original Assignee
Oxford Automotive Mecanismes et Decoupage Fin 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 Oxford Automotive Mecanismes et Decoupage Fin SAS filed Critical Oxford Automotive Mecanismes et Decoupage Fin SAS
Publication of EP1167671A1 publication Critical patent/EP1167671A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/10—Devices for preventing movement between relatively-movable hinge parts
    • E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
    • E05D11/105—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis
    • E05D11/1064—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis with a coil spring perpendicular to the pivot axis
    • E05D11/1071—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis with a coil spring perpendicular to the pivot axis specially adapted for vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Definitions

  • the invention relates to the field of the automobile industry. More specifically, it relates to a hinge assembly for a hinged door side of a motor vehicle with an integrated door stop.
  • the automotive industry employs three elements to allow fixing, rotation and maintenance in an angular position predefined side swing door of a vehicle. These elements are a upper hinge and a lower hinge both allowing the door fixing and rotation, and a door stop system allowing the holding the door in one or more predefined angular positions.
  • the door stop system also has the function of stopping the door when full opening thereof is reached.
  • At least one of the two hinges has a door stop device integrated therein.
  • door hinges with integrated door stop are described, in particular, in the documents following: DE-A-29806087, DE-A-19642597, EP-A-0 794 308, DE-A-29604089, DE-A-19606186, EP-A-0 769 600.
  • They include in particular a wire spring, working in torsion and rolling on a series of rollers.
  • Hinges with integrated door stop on the market have various disadvantages. First, they are more bulky than conventional hinges due to the presence of door stop system. The environment of the vehicle must therefore allow large volume to allow the mounting of this type of hinge. Else apart from the fact that the door stop devices have parts rubbing against each other, they click or a creaking noise during the door operation. The builders cars today want to eliminate this type of noise, unpleasant for the user. In addition, the friction between the parts metals wear the anticorrosion coating they may have before their mounting; this creates the possibility of corrosion of these same rooms. Finally, in order to reduce the operating noise of the system door stop, it is usual to lubricate this system at the end vehicle mounting. But it is periodically necessary to renew this lubrication during vehicle maintenance operations, and the manufacturers automobiles would like to eliminate this lubrication step.
  • this device has the disadvantage of requiring the use of a bending spring, which is a type of spring whose optimal characteristics for this use are more difficult to determine than those of conventional compression springs. It also costs more expensive to manufacture.
  • this bending spring extends over practically the entire height of the door hinge assembly, and requires two contact areas between the door stop mechanism and the fixed knuckle. The active part of the door hinge assembly therefore has its bulk determined above all by the dimensions that it is necessary to give to the bending spring.
  • the object of the invention is to propose a hinge assembly of door with integrated door stop without bending spring, and of which the size of the active part can be further reduced compared to existing devices.
  • Said contact surface may be a friction surface, possibly integrated construction to said moving part.
  • Said contact surface can also be a roller capable of rotate around an axis.
  • the door hinge assembly according to the invention is characterized in that said movable knuckle comprises a housing articulated around the articulation axis of the movable knuckle on the fixed knuckle, in that said housing supports said cam on its internal wall, and in that said moving part and its elastic means of application are included in said housing.
  • Said housing preferably comprises a cover insulating it from outdoor environment.
  • Said cam can be integrated by construction into the internal wall of said housing.
  • Said contact surface can be made of a self-lubricating material.
  • the door hinge assembly according to the invention can be shaped so as to allow the said door to be unclipped without it being necessary to disassemble said assembly.
  • the invention consists in integrating into the movable knuckle a notched cam, and to press against this cam a contact surface (a simple friction surface or a rotating roller), carried by a moving part integrated into the fixed knuckle and actuated by means a compression spring.
  • the degree of door opening chosen by the user determines in which notch of the cam the contact surface is applied.
  • the moving part is movable in rotation about an axis passing through the fixed knuckle.
  • the cam, the moving part and the means which operate it are integrated in a box integral with the movable knuckle and of which an internal wall carries the cam. This case is preferably closed by a cover which completely isolates the active part of the hinge assembly from door in relation to the outside environment.
  • FIG. 1 shows, seen from the front in section along Ia-Ia (figure 1a), seen from the left (figure 1b), seen from above in section according to Ic-Ic (figure 1c) and seen from the front in partial section according to Id-Id (figure 1d) an embodiment of the invention.
  • the embodiment of the door hinge assembly according to the invention shown in Figure 1 comprises a fixed knuckle 1 intended to be secured to the bodywork 2 of the vehicle.
  • This connection is achieved, for example, by bolts passing through perforations 3, 3 'made in the first part 4 said fixed knuckle intended to be applied against the bodywork 2.
  • the fixed knuckle 1 comprises, moreover, a second part 5 arranged (in the example shown) substantially at right angles to the first part 4.
  • a movable knuckle 6 is intended to be secured to door 7 of the vehicle, for example by bolts passing through perforations 8 (only one of which is shown).
  • the fixed knuckle 1 and the mobile knuckle 6 are articulated one on the other by means which will described in detail later.
  • the knuckle mobile 6 is constituted at its upper part by a housing 9, the part of which upper is closed by a cover 10 which isolates from the outside environment the interior of the housing 9 and the bodies it contains.
  • This box 9 is connected by a vertical tab 11 comprising the perforations 8 to a sole 12 substantially horizontal orientation.
  • a vertical orifice 13 crosses the second part 5 of the fixed knuckle 1. Its internal face is provided with grooves. A grooved axis 14 crosses it, its grooves corresponding to those of the orifice 13 so as to prevent it to turn on itself. Its lower end also crosses the sole 12 of the movable knuckle 6. Its upper end crosses the bottom 15 of the housing 9 of the movable knuckle 6. Rings 16, 17 made of material self-lubricating, such as PTFE, surrounding the ends respectively lower and upper axis 14, allow the movable knuckle 6 to rotate around axis 14, which therefore constitutes the axis of articulation of the door hinge assembly.
  • PTFE material self-lubricating
  • a support 18 which is a piece of generally elongated shape and general orientation perpendicular to the axis 14. This support 18 is therefore connected to the fixed knuckle 1 via the axis 14.
  • the support 18 includes a cavity 19 oriented in the same way.
  • a compression spring 20 is supported by one of its ends against the bottom 21 of the cavity 19.
  • this spring 20 comes to bear against a part 22 which is articulated on the support 18 around an axis 23 which passes through it substantially vertically, and is in an offset position relative to the axis along which the spring 20 exerts its action.
  • the articulated part 22 on the support 18 can move in rotation around the axis 23 under the effect of spring 20.
  • the articulated part 22 On its external face (i.e. the opposite face to that on which the spring 20 exerts its action), the articulated part 22 comprises a recess 24 in which is housed a roller 25 which can rotate around an axis 26, substantially perpendicular to the direction of movement of the articulated part 22.
  • the outer face of the roller 25 projects beyond the outer face of the part 22, so as to constitute a contact surface with a cam notched 27 in an arc integral with the internal face of the housing 9, or being integrated construction.
  • the notches of the cam 27 have a shape corresponding to that of the roller 25.
  • FIG. 1c the configuration is shown in solid lines. of the door hinge assembly in the case where the door 7 is in position closed.
  • the positions have also been shown in dashed lines. respective 7 ′, 9 ′ of door 7 and of housing 9 when door 7 is in position fully open after being actuated according to arrow 28.
  • the roller 25 is housed in the notch 29 of the cam 27 located at the end of the cam 27 opposite the end where the notch is located in which the roller 25 is housed when the door is in the closed position.
  • the intermediate notches of the cam 27 hold the door 7 in predefined partial opening positions, at the user's choice.
  • the support 18 and the axis 14 can be made up of two pieces joined to each other or merged into one single piece.
  • the cam 27 and the roller 25 can be one or the other in material plastic or metal. Their wear is easily caught by the spring 20, at least as long as they are not too pronounced.
  • An advantage of the configuration which has just been described is that it is possible to produce the cam 27 and the roller 25 both made of metal and lubricate their contact area without dust and other impurities pollute the fat, since the cover 10 isolates this contact zone from the outside environment.
  • the cover 10 is also an acoustic barrier which attenuates the noise of operation of the door hinge assembly. As such, he may also allow to do without lubrication of the contact zone cam 27 - roller 25 while retaining operating noises from the hinge assembly user acceptable, and generally significantly less annoying (in intensity and frequency) that the operating noises of the known sets. It also prevents ambient humidity from corroding parts enclosed by the housing 9.
  • the door hinge assembly according to the invention has several advantages.
  • the use of a compression spring arranged horizontally instead of a vertically oriented torsion or tension spring makes the active part of the overall space-saving door hinge assembly makes it easier to install in a vehicle when the specifications impose small locations for these sets.
  • a compression spring is easier and less expensive to make only a bending or torsion spring.
  • the invention does not requires using only one roller 25 / cam 27 assembly, against two in the door hinge assembly described in the document FR 00 1856 already cited, which gives it a better compactness.
  • housing 9 is not an essential element of the invention, and that the cam 27 can be fixed directly on the movable knuckle 6.
  • roller 25 which can rotate around the axis 26 with a simple fixed friction surface consisting of a shoe of metallic material or self-lubricating attached to the end of the articulated piece 22.
  • a variant of this configuration would consist of integrating the shoe into the articulated part 22, which would thus be entirely made of a material favorable to its good sliding on cam 27, with or without lubrication according to the choice of manufacturer.
  • Another advantage of the invention is to make possible the design of a door hinge assembly to unhinge the door 7 relative to the vehicle body 2.
  • no part must be shaped so as to prevent this vertical displacement (in particular the lower part of the splined axis 14 and the lower part of the movable knuckle 6), and also that the door 7 can actually be moved vertically over a height sufficient to allow the exit from axis 14 of the housing 13 without being obstructed by the bodywork 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinge Accessories (AREA)
  • Lock And Its Accessories (AREA)
  • Hinges (AREA)

Abstract

The hinge unit comprises a fixed hinge (1) integral with the vehicle bodywork (2) and a mobile hinge (6) integral with the door. The mobile hinge is articulated about an axis (14). A notched cam (27) is integral with the mobile hinge and a contact surface, carried by a mobile part (22), is inserted in a cam notch during the opening of the door. A compression spring (20) acts on the mobile part to apply the contact surface against the cam. One end of the spring is supported on a support (18) connected to the fixed hinge. The other end of the spring is supported on the mobile part which is on the support and articulated around an axis (23).

Description

L'invention concerne le domaine de l'industrie automobile. Plus précisément, elle concerne un ensemble charnière pour une porte battante latérale de véhicule automobile comportant un arrêt de porte intégré.The invention relates to the field of the automobile industry. More specifically, it relates to a hinge assembly for a hinged door side of a motor vehicle with an integrated door stop.

Généralement, l'industrie automobile emploie trois éléments pour permettre la fixation, la rotation et le maintien dans une position angulaire prédéfinie d'une porte battante latérale de véhicule. Ces éléments sont une charnière supérieure et une charnière inférieure permettant toutes deux la fixation et la rotation de la porte, et un système d'arrêt de porte permettant le maintien de la porte dans une ou plusieurs positions angulaires prédéfinies. Le système d'arrêt de porte a également pour fonction d'arrêter la porte lorsque la pleine ouverture de celle-ci est atteinte.Generally, the automotive industry employs three elements to allow fixing, rotation and maintenance in an angular position predefined side swing door of a vehicle. These elements are a upper hinge and a lower hinge both allowing the door fixing and rotation, and a door stop system allowing the holding the door in one or more predefined angular positions. The door stop system also has the function of stopping the door when full opening thereof is reached.

Dans certains cas, l'une au moins des deux charnières comporte un dispositif d'arrêt de porte qui lui est intégré. De telles charnières de porte avec arrêt de porte intégré sont décrites, notamment, dans les documents suivants: DE-A-29806087, DE-A-19642597, EP-A-0 794 308, DE-A-29604089, DE-A-19606186, EP-A-0 769 600. Elles comportent notamment un ressort en fil, travaillant en torsion et roulant sur une série de galets.In some cases, at least one of the two hinges has a door stop device integrated therein. Such door hinges with integrated door stop are described, in particular, in the documents following: DE-A-29806087, DE-A-19642597, EP-A-0 794 308, DE-A-29604089, DE-A-19606186, EP-A-0 769 600. They include in particular a wire spring, working in torsion and rolling on a series of rollers.

Les charnières avec arrêt de porte intégré existant sur le marché comportent divers inconvénients. En premier lieu, elles sont plus encombrantes que les charnières classiques du fait de la présence du système d'arrêt de porte. L'environnement du véhicule doit donc autoriser un volume important pour permettre le montage de ce type de charnière. D'autre part, du fait que les dispositifs d'arrêt de porte comportent des pièces métalliques en frottement les unes sur les autres, ils émettent un claquement ou un grincement pendant la manoeuvre de la porte. Les constructeurs automobiles souhaitent aujourd'hui l'élimination de ce type de bruit, désagréable pour l'utilisateur. De plus, le frottement entre les pièces métalliques use le revêtement anticorrosion qu'elles peuvent comporter avant leur montage ; on crée ainsi la possibilité d'une corrosion de ces mêmes pièces. Enfin, dans le but d'atténuer les bruits de fonctionnement du système d'arrêt de porte, il est habituel d'effectuer un graissage de ce système en fin de montage du véhicule. Mais il est périodiquement nécessaire de renouveler ce graissage lors des opérations d'entretien du véhicule, et les constructeurs automobiles souhaiteraient éliminer cette étape de graissage.Hinges with integrated door stop on the market have various disadvantages. First, they are more bulky than conventional hinges due to the presence of door stop system. The environment of the vehicle must therefore allow large volume to allow the mounting of this type of hinge. Else apart from the fact that the door stop devices have parts rubbing against each other, they click or a creaking noise during the door operation. The builders cars today want to eliminate this type of noise, unpleasant for the user. In addition, the friction between the parts metals wear the anticorrosion coating they may have before their mounting; this creates the possibility of corrosion of these same rooms. Finally, in order to reduce the operating noise of the system door stop, it is usual to lubricate this system at the end vehicle mounting. But it is periodically necessary to renew this lubrication during vehicle maintenance operations, and the manufacturers automobiles would like to eliminate this lubrication step.

De plus, les impuretés s'accumulent à l'intérieur de la graisse au cours de la vie du véhicule, ce qui peut causer une abrasion des pièces lors de leur frottement. In addition, impurities accumulate inside the fat at the during the life of the vehicle, which can cause abrasion of parts when of their friction.

La Demanderesse a proposé, dans sa demande de brevet français FR 00 01 856, un type d'ensemble charnière de porte résolvant en grande partie les problèmes ci-dessus. Dans cet ensemble charnière de porte relativement peu encombrant, un charnon mobile fixé à la porte est équipé de deux cames métalliques crantées, contre lesquelles un ressort maintenu par un charnon fixe solidaire de la carrosserie du véhicule et travaillant principalement en flexion, plaque deux galets. Un axe de rotation permet l'articulation du charnon mobile sur le charnon fixe. Si les galets sont en un matériau auto-lubrifiant tel qu'une matière plastique, on peut se passer d'un graissage de l'ensemble, graissage qui demeure préférable si les galets sont métalliques.The Applicant has proposed, in its patent application French FR 00 01 856, a type of door hinge assembly resolving by much of the above problems. In this door hinge assembly relatively compact, a movable knuckle attached to the door is equipped with two notched metal cams, against which a spring held by a fixed knuckle secured to the vehicle body and working mainly in bending, plate two rollers. An axis of rotation allows the articulation of the movable knuckle on the fixed knuckle. If the rollers are in one self-lubricating material such as plastic, we can do without a lubrication of the assembly, lubrication which remains preferable if the rollers are metal.

Ce dispositif a cependant pour inconvénient de nécessiter l'utilisation d'un ressort de flexion, qui est un type de ressort dont les caractéristiques optimales pour cette utilisation sont plus difficiles à déterminer que celles des ressorts de compression classiques. Il coûte également plus cher à fabriquer. Enfin, ce ressort de flexion s'étend sur pratiquement l'ensemble de la hauteur de l'ensemble charnière de porte, et nécessite deux zones de contact entre le mécanisme d'arrêt de porte et le charnon fixe. La partie active de l'ensemble charnière de porte a donc son encombrement déterminé avant tout par les dimensions qu'il est nécessaire de conférer au ressort de flexion.However, this device has the disadvantage of requiring the use of a bending spring, which is a type of spring whose optimal characteristics for this use are more difficult to determine than those of conventional compression springs. It also costs more expensive to manufacture. Finally, this bending spring extends over practically the entire height of the door hinge assembly, and requires two contact areas between the door stop mechanism and the fixed knuckle. The active part of the door hinge assembly therefore has its bulk determined above all by the dimensions that it is necessary to give to the bending spring.

Le but de l'invention est de proposer un ensemble charnière de porte à arrêt de porte intégré ne comportant pas de ressort de flexion, et dont l'encombrement de la partie active peut être encore réduit par rapport aux dispositifs existants.The object of the invention is to propose a hinge assembly of door with integrated door stop without bending spring, and of which the size of the active part can be further reduced compared to existing devices.

A cet effet, l'invention a pour objet un ensemble charnière de porte de véhicule à mécanisme d'arrêt de porte intégré, du type comportant un charnon fixe destiné à être solidarisé à la carrosserie du véhicule, un charnon mobile destiné à être solidarisé à la porte du véhicule, et des moyens d'articulation dudit charnon mobile sur ledit charnon fixe selon un axe, caractérisé en ce qu'il comporte :

  • une came crantée solidaire dudit charnon mobile ;
  • une surface de contact pouvant s'insérer dans l'un des crans de la came lors d'une opération d'ouverture partielle ou totale de la porte, portée par une pièce mobile ;
  • des moyens élastiques agissant sur ladite pièce mobile pour réaliser l'application de ladite surface de contact contre ladite came, solidaires du charnon fixe et comportant :
  • un ressort de compression,
  • un support connecté au charnon fixe, et sur lequel prend appui l'une des extrémités dudit ressort de compression ; et
  • une pièce articulée sur ledit support fixe autour d'un axe les traversant, et constituant ladite pièce mobile, sur laquelle prend appui l'autre extrémité dudit ressort de compression.
To this end, the subject of the invention is a vehicle door hinge assembly with an integrated door stop mechanism, of the type comprising a fixed knuckle intended to be secured to the vehicle body, a movable knuckle intended to be secured to the vehicle door, and means of articulation of said movable knuckle on said fixed knuckle along an axis, characterized in that it comprises:
  • a notched cam secured to said movable knuckle;
  • a contact surface which can be inserted into one of the notches of the cam during a partial or total opening operation of the door, carried by a moving part;
  • elastic means acting on said moving part to apply said contact surface against said cam, integral with the fixed knuckle and comprising:
  • a compression spring,
  • a support connected to the fixed knuckle, and on which one of the ends of said compression spring bears; and
  • a part articulated on said fixed support around an axis passing through them, and constituting said movable part, on which the other end of said compression spring bears.

Ladite surface de contact peut être une surface de frottement, éventuellement intégrée de construction à ladite pièce mobile.Said contact surface may be a friction surface, possibly integrated construction to said moving part.

Ladite surface de contact peut également être un galet pouvant tourner autour d'un axe.Said contact surface can also be a roller capable of rotate around an axis.

Préférentiellement, l'ensemble charnière de porte selon l'invention est caractérisé en ce que ledit charnon mobile comporte un boítier articulé autour de l'axe d'articulation du charnon mobile sur le charnon fixe, en ce que ledit boítier supporte ladite came sur sa paroi interne, et en ce que ladite pièce mobile et ses moyens élastiques d'application sont inclus dans ledit boítier.Preferably, the door hinge assembly according to the invention is characterized in that said movable knuckle comprises a housing articulated around the articulation axis of the movable knuckle on the fixed knuckle, in that said housing supports said cam on its internal wall, and in that said moving part and its elastic means of application are included in said housing.

Ledit boítier comporte de préférence un couvercle l'isolant du milieu extérieur.Said housing preferably comprises a cover insulating it from outdoor environment.

Ladite came peut être intégrée de construction à la paroi interne dudit boítier.Said cam can be integrated by construction into the internal wall of said housing.

Ladite surface de contact peut être réalisée en un matériau auto-lubrifiant.Said contact surface can be made of a self-lubricating material.

L'ensemble charnière de porte selon l'invention peut être conformé de manière à permettre de dégonder ladite porte sans qu'il soit nécessaire de démonter ledit ensemble.The door hinge assembly according to the invention can be shaped so as to allow the said door to be unclipped without it being necessary to disassemble said assembly.

Comme on l'aura compris, l'invention consiste à intégrer au charnon mobile une came crantée, et à faire s'appuyer contre cette came une surface de contact (une simple surface de frottement ou un galet tournant), portée par une pièce mobile intégrée au charnon fixe et actionnée au moyen d'un ressort de compression. Le degré d'ouverture de la porte choisi par l'utilisateur détermine dans quel cran de la came la surface de contact est appliquée. La pièce mobile est mobile en rotation autour d'un axe traversant le charnon fixe. Optimalement, la came, la pièce mobile et les moyens qui l'actionnent sont intégrés dans un boítier solidaire du charnon mobile et dont une paroi interne porte la came. Ce boítier est, de préférence, obturé par un couvercle qui isole complètement la partie active de l'ensemble charnière de porte par rapport au milieu extérieur.As will be understood, the invention consists in integrating into the movable knuckle a notched cam, and to press against this cam a contact surface (a simple friction surface or a rotating roller), carried by a moving part integrated into the fixed knuckle and actuated by means a compression spring. The degree of door opening chosen by the user determines in which notch of the cam the contact surface is applied. The moving part is movable in rotation about an axis passing through the fixed knuckle. Optimally, the cam, the moving part and the means which operate it are integrated in a box integral with the movable knuckle and of which an internal wall carries the cam. This case is preferably closed by a cover which completely isolates the active part of the hinge assembly from door in relation to the outside environment.

L'invention sera mieux comprise à la lecture de la description qui suit, donnée en référence à la figure 1 annexée qui montre, vu de face en coupe selon Ia-Ia (figure 1a), vu de gauche (figure 1b), vu de dessus en coupe selon Ic-Ic (figure 1c) et vu de face en coupe partielle selon Id-Id (figure 1d) un mode de réalisation de l'invention.The invention will be better understood on reading the description which follows, given with reference to attached FIG. 1 which shows, seen from the front in section along Ia-Ia (figure 1a), seen from the left (figure 1b), seen from above in section according to Ic-Ic (figure 1c) and seen from the front in partial section according to Id-Id (figure 1d) an embodiment of the invention.

Conformément à l'art antérieur connu, le mode de réalisation de l'ensemble charnière de porte selon l'invention représenté sur la figure 1 comporte un charnon fixe 1 destiné à être solidarisé à la carrosserie 2 du véhicule. Cette solidarisation est réalisée, par exemple, par des boulons passant à travers des perforations 3, 3' ménagées dans la première partie 4 dudit charnon fixe destinée à être appliquée contre la carrosserie 2. Le charnon fixe 1 comporte, par ailleurs, une seconde partie 5 disposée (dans l'exemple représenté) sensiblement à angle droit par rapport à la première partie 4. Toujours selon l'art antérieur, un charnon mobile 6 est destiné à être solidarisé à la porte 7 du véhicule, par exemple par des boulons traversant des perforations 8 (dont une seule est représentée). Le charnon fixe 1 et le charnon mobile 6 sont articulés l'un sur l'autre par des moyens qui seront décrits en détail plus loin.In accordance with the known prior art, the embodiment of the door hinge assembly according to the invention shown in Figure 1 comprises a fixed knuckle 1 intended to be secured to the bodywork 2 of the vehicle. This connection is achieved, for example, by bolts passing through perforations 3, 3 'made in the first part 4 said fixed knuckle intended to be applied against the bodywork 2. The fixed knuckle 1 comprises, moreover, a second part 5 arranged (in the example shown) substantially at right angles to the first part 4. Still according to the prior art, a movable knuckle 6 is intended to be secured to door 7 of the vehicle, for example by bolts passing through perforations 8 (only one of which is shown). The fixed knuckle 1 and the mobile knuckle 6 are articulated one on the other by means which will described in detail later.

Selon une caractéristique préférée de l'invention, le charnon mobile 6 est constitué à sa partie supérieure par un boítier 9, dont la partie supérieure est obturée par un couvercle 10 qui isole du milieu extérieur l'intérieur du boítier 9 et les organes qu'il renferme. Ce boítier 9 est relié par une patte verticale 11 comportant les perforations 8 à une semelle 12 d'orientation sensiblement horizontale.According to a preferred characteristic of the invention, the knuckle mobile 6 is constituted at its upper part by a housing 9, the part of which upper is closed by a cover 10 which isolates from the outside environment the interior of the housing 9 and the bodies it contains. This box 9 is connected by a vertical tab 11 comprising the perforations 8 to a sole 12 substantially horizontal orientation.

Un orifice vertical 13 traverse la seconde partie 5 du charnon fixe 1. Sa face interne est munie de cannelures. Un axe cannelé 14 le traverse, ses cannelures correspondant à celles de l'orifice 13 de manière à l'empêcher de tourner sur lui-même. Son extrémité inférieure traverse également la semelle 12 du charnon mobile 6. Son extrémité supérieure traverse le fond 15 du boítier 9 du charnon mobile 6. Des bagues 16, 17 en matériau autolubrifiant, tel que du PTFE, entourant les extrémités respectivement inférieure et supérieure de l'axe 14, permettent au charnon mobile 6 de tourner autour de l'axe 14, qui de ce fait constitue l'axe d'articulation de l'ensemble charnière de porte. A vertical orifice 13 crosses the second part 5 of the fixed knuckle 1. Its internal face is provided with grooves. A grooved axis 14 crosses it, its grooves corresponding to those of the orifice 13 so as to prevent it to turn on itself. Its lower end also crosses the sole 12 of the movable knuckle 6. Its upper end crosses the bottom 15 of the housing 9 of the movable knuckle 6. Rings 16, 17 made of material self-lubricating, such as PTFE, surrounding the ends respectively lower and upper axis 14, allow the movable knuckle 6 to rotate around axis 14, which therefore constitutes the axis of articulation of the door hinge assembly.

A l'extrémité supérieure de l'axe 14, est fixé un support 18 qui est une pièce de forme générale allongée et d'orientation générale perpendiculaire à l'axe 14. Ce support 18 est donc connecté au charnon fixe 1 par l'intermédiaire de l'axe 14. Le support 18 comporte une cavité 19 orientée de la même manière. Un ressort de compression 20 s'appuie par l'une de ses extrémités contre le fond 21 de la cavité 19.At the upper end of the axis 14, is fixed a support 18 which is a piece of generally elongated shape and general orientation perpendicular to the axis 14. This support 18 is therefore connected to the fixed knuckle 1 via the axis 14. The support 18 includes a cavity 19 oriented in the same way. A compression spring 20 is supported by one of its ends against the bottom 21 of the cavity 19.

L'autre extrémité de ce ressort 20 vient en appui contre une pièce 22 qui est articulée sur le support 18 autour d'un axe 23 qui le traverse sensiblement verticalement, et se trouve en position décalée par rapport à l'axe selon lequel le ressort 20 exerce son action. Ainsi, la pièce 22 articulée sur le support 18 peut se déplacer en rotation autour de l'axe 23 sous l'effet du ressort 20.The other end of this spring 20 comes to bear against a part 22 which is articulated on the support 18 around an axis 23 which passes through it substantially vertically, and is in an offset position relative to the axis along which the spring 20 exerts its action. Thus, the articulated part 22 on the support 18 can move in rotation around the axis 23 under the effect of spring 20.

Sur sa face externe (c'est à dire la face opposée à celle sur laquelle le ressort 20 exerce son action), la pièce articulée 22 comporte un évidement 24 dans lequel vient se loger un galet 25 pouvant tourner autour d'un axe 26, sensiblement perpendiculaire à la direction de déplacement de la pièce articulée 22.On its external face (i.e. the opposite face to that on which the spring 20 exerts its action), the articulated part 22 comprises a recess 24 in which is housed a roller 25 which can rotate around an axis 26, substantially perpendicular to the direction of movement of the articulated part 22.

La face externe du galet 25 déborde de la face externe de la pièce 22, de manière à constituer une surface de contact avec une came crantée 27 en arc de cercle solidaire de la face interne du boítier 9, ou lui étant intégrée de construction. Les crans de la came 27 ont une forme correspondant à celle du galet 25.The outer face of the roller 25 projects beyond the outer face of the part 22, so as to constitute a contact surface with a cam notched 27 in an arc integral with the internal face of the housing 9, or being integrated construction. The notches of the cam 27 have a shape corresponding to that of the roller 25.

Sur la figure 1c on a représenté en traits pleins la configuration de l'ensemble charnière de porte dans le cas où la porte 7 est en position fermée. On a également représenté en traits interrompus les positions respectives 7', 9' de la porte 7 et du boítier 9 lorsque la porte 7 est en position totalement ouverte après avoir été actionnée selon la flèche 28. On comprend que dans ce dernier cas, le galet 25 vient se loger dans le cran 29 de la came 27 situé à l'extrémité de la came 27 opposée à l'extrémité où se situe le cran dans lequel le galet 25 vient se loger lorsque la porte est en position fermée. Les crans intermédiaires de la came 27 permettent de maintenir la porte 7 dans des positions d'ouverture partielle prédéfinies, au choix de l'utilisateur.In FIG. 1c, the configuration is shown in solid lines. of the door hinge assembly in the case where the door 7 is in position closed. The positions have also been shown in dashed lines. respective 7 ′, 9 ′ of door 7 and of housing 9 when door 7 is in position fully open after being actuated according to arrow 28. We understand that in the latter case, the roller 25 is housed in the notch 29 of the cam 27 located at the end of the cam 27 opposite the end where the notch is located in which the roller 25 is housed when the door is in the closed position. The intermediate notches of the cam 27 hold the door 7 in predefined partial opening positions, at the user's choice.

Au choix du constructeur, le support 18 et l'axe 14 peuvent être constitués par deux pièces solidarisées l'une à l'autre ou confondus en une seule pièce.At the choice of the manufacturer, the support 18 and the axis 14 can be made up of two pieces joined to each other or merged into one single piece.

La came 27 et le galet 25 peuvent être l'un ou l'autre en matière plastique ou en métal. Leurs usures sont aisément rattrapées par le ressort 20, au moins tant qu'elles ne sont pas trop prononcées. Un avantage de la configuration qui vient d'être décrite est qu'il est possible de réaliser la came 27 et le galet 25 tous deux en métal et de graisser leur zone de contact sans que des poussières et autres impuretés ne viennent polluer la graisse, puisque le couvercle 10 isole cette zone de contact du milieu extérieur. Le couvercle 10 est aussi une barrière acoustique qui atténue les bruits de fonctionnement de l'ensemble charnière de porte. A ce titre, il peut aussi permettre de se passer d'un graissage de la zone de contact came 27 - galet 25 tout en conservant des bruits de fonctionnement de l'ensemble charnière de porte acceptables par l'utilisateur, et généralement sensiblement moins gênants (en intensité et en fréquence) que les bruits de fonctionnement des ensembles connus. Il empêche également l'humidité ambiante de corroder les pièces renfermées par le boítier 9.The cam 27 and the roller 25 can be one or the other in material plastic or metal. Their wear is easily caught by the spring 20, at least as long as they are not too pronounced. An advantage of the configuration which has just been described is that it is possible to produce the cam 27 and the roller 25 both made of metal and lubricate their contact area without dust and other impurities pollute the fat, since the cover 10 isolates this contact zone from the outside environment. The cover 10 is also an acoustic barrier which attenuates the noise of operation of the door hinge assembly. As such, he may also allow to do without lubrication of the contact zone cam 27 - roller 25 while retaining operating noises from the hinge assembly user acceptable, and generally significantly less annoying (in intensity and frequency) that the operating noises of the known sets. It also prevents ambient humidity from corroding parts enclosed by the housing 9.

Par rapport aux dispositifs connus précédemment décrits, l'ensemble charnière de porte selon l'invention présente plusieurs avantages. L'utilisation d'un ressort de compression disposé horizontalement au lieu d'un ressort de torsion ou de traction orienté verticalement rend la partie active de l'ensemble charnière de porte peu encombrante en hauteur, donc plus facile à installer dans un véhicule lorsque le cahier des charges impose des emplacements de faibles dimensions pour ces ensembles. D'autre part, comme on l'a dit, un ressort de compression est plus facile et moins coûteux à fabriquer qu'un ressort de flexion ou de torsion. De plus, l'invention ne nécessite d'utiliser qu'un seul ensemble galet 25/came 27, contre deux dans l'ensemble charnière de porte décrit dans le document FR 00 1856 déjà cité, ce qui lui procure une meilleure compacité. Enfin, on a déjà évoqué les avantages mécaniques et acoustiques de la possibilité d'intégrer la partie active de l'ensemble charnière de porte selon l'invention dans un boítier 9, préférentiellement muni d'un couvercle 10. Outre les avantages techniques dont on a parlé, la présence de ce boítier 9 permet d'améliorer l'esthétique de l'ensemble charnière de porte par rapport aux ensembles à arrêt de porte intégré précédemment connus.Compared to the known devices previously described, the door hinge assembly according to the invention has several advantages. The use of a compression spring arranged horizontally instead of a vertically oriented torsion or tension spring makes the active part of the overall space-saving door hinge assembly makes it easier to install in a vehicle when the specifications impose small locations for these sets. On the other hand, as we said, a compression spring is easier and less expensive to make only a bending or torsion spring. Furthermore, the invention does not requires using only one roller 25 / cam 27 assembly, against two in the door hinge assembly described in the document FR 00 1856 already cited, which gives it a better compactness. Finally, we have already mentioned the mechanical and acoustic advantages of the possibility of integrating the part active of the door hinge assembly according to the invention in a housing 9, preferably with a cover 10. In addition to the technical advantages which we talked about, the presence of this case 9 improves the aesthetics of door hinge assembly compared to door stop assemblies integrated previously known.

Il doit cependant être clairement compris que le boítier 9 n'est pas un élément indispensable de l'invention, et que la came 27 peut être fixée directement sur le charnon mobile 6.It must however be clearly understood that the housing 9 is not not an essential element of the invention, and that the cam 27 can be fixed directly on the movable knuckle 6.

D'autre part, il demeurerait dans l'esprit de l'invention de remplacer le galet 25 pouvant tourner autour de l'axe 26 par une simple surface de frottement fixe constituée par un patin en matériau métallique ou autolubrifiant fixé à l'extrémité de la pièce articulée 22. Une variante de cette configuration consisterait à intégrer de construction le patin à la pièce articulée 22, qui serait ainsi entièrement réalisée en une matière favorable à son bon glissement sur la came 27, avec ou sans graissage selon le choix du constructeur.On the other hand, it would remain in the spirit of the invention to replace the roller 25 which can rotate around the axis 26 with a simple fixed friction surface consisting of a shoe of metallic material or self-lubricating attached to the end of the articulated piece 22. A variant of this configuration would consist of integrating the shoe into the articulated part 22, which would thus be entirely made of a material favorable to its good sliding on cam 27, with or without lubrication according to the choice of manufacturer.

L'usure due au frottement des différentes pièces ne provoque que peu de dégradation du guidage et du maintien de la pièce articulée 22.The wear due to the friction of the different parts does not cause that little degradation of the guidance and of the maintenance of the articulated part 22.

Un autre avantage de l'invention est de rendre possible la conception d'un ensemble charnière de porte permettant de dégonder la porte 7 par rapport à la carrosserie 2 du véhicule. Autrement dit, on pourrait désolidariser la porte 7 et la carrosserie 2 simplement en soulevant la porte 7 de manière à faire sortir verticalement l'axe cannelé 14 de son logement 13 ménagé dans le charnon fixe 1. Pour cela, il faut qu'aucune pièce ne soit conformée de manière à empêcher ce déplacement vertical (notamment la partie inférieure de l'axe cannelé 14 et la partie inférieure du charnon mobile 6), et également que la porte 7 puisse effectivement être déplacée verticalement sur une hauteur suffisante pour autoriser la sortie de l'axe 14 du logement 13 sans être gênée par la carrosserie 2. On peut alors dégonder la porte 7 sans qu'il soit nécessaire de démonter l'ensemble charnière de porte, ce qui n'était pas le cas avec les dispositifs de l'art antérieur.Another advantage of the invention is to make possible the design of a door hinge assembly to unhinge the door 7 relative to the vehicle body 2. In other words, we could disconnect the door 7 and the body 2 simply by lifting the door 7 so as to vertically extend the splined axis 14 from its housing 13 formed in the fixed knuckle 1. For this, no part must be shaped so as to prevent this vertical displacement (in particular the lower part of the splined axis 14 and the lower part of the movable knuckle 6), and also that the door 7 can actually be moved vertically over a height sufficient to allow the exit from axis 14 of the housing 13 without being obstructed by the bodywork 2. We can then unclip the door 7 without the need to disassemble the door hinge assembly, which was not the case with the devices of the prior art.

Claims (9)

Ensemble charnière de porte de véhicule à mécanisme d'arrêt de porte intégré, du type comportant un charnon fixe (1) destiné à être solidarisé à la carrosserie (2) du véhicule, un charnon mobile (6) destiné à être solidarisé à la porte (7) du véhicule, et des moyens d'articulation dudit charnon mobile (6) sur ledit charnon fixe (1) selon un axe (14), caractérisé en ce qu'il comporte : une came crantée (27) solidaire dudit charnon mobile (6); une surface de contact pouvant s'insérer dans l'un des crans de la came (27) lors d'une opération d'ouverture partielle ou totale de la porte (7), portée par une pièce mobile ; et des moyens élastiques agissant sur ladite pièce mobile (22) pour réaliser l'application de ladite surface de contact contre ladite came (26), solidaires du charnon fixe (1) et comportant : un ressort de compression (20) ; un support (18) connecté au charnon fixe (1), et sur lequel prend appui l'une des extrémités dudit ressort de compression (20) ; et une pièce articulée (22) sur ledit support (18) autour d'un axe (23) les traversant, et constituant ladite pièce mobile, sur laquelle prend appui l'autre extrémité dudit ressort de compression (20). Vehicle door hinge assembly with integrated door stop mechanism, of the type comprising a fixed knuckle (1) intended to be fixed to the vehicle body (2), a movable knuckle (6) intended to be fixed to the door (7) of the vehicle, and means of articulation of said movable knuckle (6) on said fixed knuckle (1) along an axis (14), characterized in that it comprises: a notched cam (27) integral with said movable knuckle (6); a contact surface which can be inserted in one of the notches of the cam (27) during an operation of partial or total opening of the door (7), carried by a moving part; and elastic means acting on said movable part (22) to apply said contact surface against said cam (26), integral with the fixed knuckle (1) and comprising: a compression spring (20); a support (18) connected to the fixed knuckle (1), and on which one of the ends of said compression spring (20) bears; and an articulated part (22) on said support (18) around an axis (23) passing through them, and constituting said movable part, on which the other end of said compression spring (20) is supported. Ensemble charnière de porte selon la revendication 1, caractérisé en ce que ladite surface de contact est une surface de frottement.Door hinge assembly according to claim 1, characterized in that said contact surface is a friction surface. Ensemble charnière de porte selon la revendication 2, caractérisé en ce que ladite surface de frottement est intégrée de construction à ladite pièce mobile (22).Door hinge assembly according to claim 2, characterized in that said friction surface is integrated in construction with said movable part (22). Ensemble charnière de porte selon la revendication 1, caractérisé en ce que ladite surface de contact est un galet (25) pouvant tourner autour d'un axe (26).Door hinge assembly according to claim 1, characterized in that said contact surface is a roller (25) which can rotate about an axis (26). Ensemble charnière de porte selon l'une des revendications 1 à 4, caractérisé en ce que ledit charnon mobile (6) comporte un boítier (9) articulé autour de l'axe (14) d'articulation du charnon mobile (6) sur le charnon fixe (1), en ce que ledit boítier (9) supporte ladite came (27) sur sa paroi interne, et en ce que ladite pièce mobile (22) et ses moyens élastiques d'application sont inclus dans ledit boítier (9).Door hinge assembly according to one of claims 1 to 4, characterized in that said movable knuckle (6) comprises a housing (9) articulated around the axis (14) of articulation of the movable knuckle (6) on the fixed knuckle (1), in that said housing (9) supports said cam (27) on its internal wall, and in that said movable part (22) and its elastic application means are included in said housing (9) . Ensemble charnière de porte selon la revendication 5, caractérisé en ce que ledit boítier (9) comporte un couvercle (10) l'isolant du milieu extérieur. Door hinge assembly according to claim 5, characterized in that said housing (9) comprises a cover (10) insulating it from the outside environment. Ensemble charnière de porte selon la revendication 5 ou 6, caractérisé en ce que ladite came (27) est intégrée de construction à la paroi interne dudit boítier (9).Door hinge assembly according to claim 5 or 6, characterized in that said cam (27) is integrated in construction with the internal wall of said housing (9). Ensemble charnière de porte selon l'une des revendications 1 à 7, caractérisé en ce que ladite surface de contact est réalisée en un matériau auto-lubrifiant.Door hinge assembly according to one of claims 1 to 7, characterized in that said contact surface is made of a self-lubricating material. Ensemble charnière de porte selon l'une des revendications 1 à 8, caractérisé en ce qu'il est conformé de manière à permettre de dégonder ladite porte (7) sans qu'il soit nécessaire de démonter ledit ensemble.Door hinge assembly according to one of claims 1 to 8, characterized in that it is shaped so as to allow the said door (7) to be removed without the need to dismantle said assembly.
EP01401664A 2000-06-29 2001-06-22 Hinge with integrated door stop Withdrawn EP1167671A1 (en)

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FR0008418A FR2811007B1 (en) 2000-06-29 2000-06-29 HINGE WITH INTEGRATED DOOR STOP
FR0008418 2000-06-29

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AR (1) AR029292A1 (en)
BR (1) BR0102626A (en)
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AR029292A1 (en) 2003-06-18
FR2811007B1 (en) 2003-05-16
FR2811007A1 (en) 2002-01-04
US20020023313A1 (en) 2002-02-28
US6581243B2 (en) 2003-06-24
MXPA01006701A (en) 2004-07-30
BR0102626A (en) 2002-02-13

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