EP0563032A1 - Hinge having stop notches for a door, particularly a car door. - Google Patents

Hinge having stop notches for a door, particularly a car door.

Info

Publication number
EP0563032A1
EP0563032A1 EP90910134A EP90910134A EP0563032A1 EP 0563032 A1 EP0563032 A1 EP 0563032A1 EP 90910134 A EP90910134 A EP 90910134A EP 90910134 A EP90910134 A EP 90910134A EP 0563032 A1 EP0563032 A1 EP 0563032A1
Authority
EP
European Patent Office
Prior art keywords
hinge
housing
door
hinge according
notches
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
EP90910134A
Other languages
German (de)
French (fr)
Other versions
EP0563032B1 (en
Inventor
Armand Laforgerie
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.)
Akwel SA
Original Assignee
MGI Coutier 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
Priority claimed from FR8905030A external-priority patent/FR2645900B1/en
Application filed by MGI Coutier SA filed Critical MGI Coutier SA
Priority to AT90910134T priority Critical patent/ATE133746T1/en
Publication of EP0563032A1 publication Critical patent/EP0563032A1/en
Application granted granted Critical
Publication of EP0563032B1 publication Critical patent/EP0563032B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 present invention relates to a hinge with retaining notches for a door, in particular of a motor vehicle, comprising a fixed part, a movable part fixed to the door and articulated to the fixed part by means of a pin so as to pivot with the door around the axis of the pin and a notch retaining mechanism which is associated with said parts of the hinge and provided with elastic means forming at least one retaining notch to maintain the door in a corresponding open position.
  • Hinges of this kind are well known and are generally apparent between the door of a vehicle and the part of the body surrounding the door. These known hinges are absolutely not protected from external elements and they are mechanically integral with the other parts of the hinge. As they must be lubricated, they also present the risk of dirtying the clothes of users entering and leaving the vehicle.
  • the object of the present invention is to remedy the drawbacks mentioned above of conventional hinges, by providing a hinge capable of fulfilling the same mechanical functions, but being sheltered from external influences.
  • the invention provides a hinge of the type indicated above, characterized in that it comprises a housing containing the retaining mechanism and integral in rotation with a first of said parts and a support element integral in rotation with the second part and extending inside the housing so as to cooperate with said mechanism.
  • the support element comprises a rear end provided with an axial bore fitted on the dowel and a front end cooperating with said mechanism.
  • the rear end of the support element may have non-circular external surfaces and is axially fitted in a corresponding housing formed around the pin in the second part of the hinge.
  • the front end of the support element is provided with a freely rotating roller, cooperating with notches of the retaining mechanism.
  • the retaining mechanism comprises two notches formed by concave surfaces of a pivoting part with an axis parallel to the axis of the dowel, and at least one pair of springs biasing this part in opposite directions of rotation, so as to maintain said pivoting part in a central position when the roller is not in abutment against one of the notches.
  • the retaining mechanism comprises a cam lever having an edge pressed against the roller and provided with notches and a pivoting part provided with a pusher supported against the opposite edge of the cam lever, the pivoting part being urged by said elastic means.
  • the housing has a cover disposed transversely with respect to the axis of the dowel and ensuring a substantially sealed closure on the retaining mechanism.
  • the housing is fixed to said fixed part of the hinge, and said support element is integral in rotation with said movable part.
  • said movable part is placed between the fixed part and the housing.
  • the housing may comprise two substantially parallel outer tabs, arranged on either side of said fixed part of the hinge and provided with at least one locking screw.
  • FIG. 1 is a diagrammatic elevation view showing an automobile door hinge produced according to the invention
  • FIG. 2 is a plan view of the hinge of FIG. 1,
  • FIG. 3 is a view similar to FIG. 2, after removing an upper cover from the hinge, to show a notch retaining mechanism
  • FIG. 4 is a partial sectional view along line IV-IV of FIG. 2,
  • FIG. 5 is a view in partial section along the line V-V of FIG. 3,
  • FIG. 6 is a partial sectional view along line VI-VI of FIG. 3, and
  • Figures 7 and 8 are * views similar to Figure 3 and show, in two different positions, another embodiment of the door retention mechanism.
  • Figures 1 to 6 show a first embodiment of a hinge 10 to axis 1 vertical or inclined, to ensure, with a second hinge of the same axis, the articulation of a door 1 1 of a motor vehicle on a fixed part of the vehicle body, usually consisting of a part 12 called the body base.
  • the hinge 10 comprises a movable part 13 composed of a tubular element called knuckle 13a and a hinge 13b fixed to the door 1 1, and a fixed part 1 composed of a knuckle 1 a and a hinge 14b fixed to the body 12, the movable part 13 resting on the fixed part 14 and being articulated to it by means of a cylindrical dowel 15 fixed to one of the two knuckles.
  • the hinge is provided with a door stop device 16 making it possible to maintain the door in at least one open position.
  • the device has two notches to define two open positions, as is usually the case, but this number is not limiting.
  • the stop device 16 is housed in a housing 17 closed by an upper cover 18 and fixed to the fixed part 14 of the hinge by means of a screw 36.
  • the housing 17 straddles the upper end of the pin 15, so that the movable knuckle 13a cannot lift and is surrounded by the fixed part 14 and the housing 17.
  • a lever 19 is articulated by means of a bearing 20 in a bore 21 of the housing. As shown in Figure 4, this lever has a lower part provided with two opposite lateral flats 22 and 23 and fitted vertically in an upper part
  • the lever 19 is provided with a vertical bore 19a which is fitted on an upper end 25 of the pin 15 and which thus centers the lever and its bearing on the pin and its axis 1.
  • the lever 19 is driven by pressing on its flats 22 and 23 and it pivots in the same way.
  • its free end provided with a freely rotating roller 26 on a stud 27 on the underside of the lever, cooperates with a notch retaining mechanism, housed inside the housing 17.
  • the retaining mechanism comprises, to bear against the roller 26, a first blade 28 provided with a lateral ramp 28a and a concave surface defining a first notch 29, and a second blade provided with a concave surface forming a second notch 30.
  • These two blades are fixed on a disc 31 mounted in the housing so as to be able to pivot around its central axis 32, by virtue of a cylindrical stud 31a formed under the disc and engaged in a corresponding bore in the housing.
  • Semicircular grooves are formed in a circular path in the underside of the disc 31 and in the opposite surface of the housing 17, to accommodate two pairs of compression springs 33 which are opposite in pairs and tend to hold the disc 31 in a middle position.
  • the springs 33 are placed under stress, and thus exert on the disc 31 a permanent force which elastically opposes the rotation of the disc in both directions.
  • the position of the lever 19 drawn in solid lines corresponds to the closed position of the door 1 1. Its position 19 'defined by the first notch 29 corresponds to a first open position, where the door has a small opening , and its position 19 "defined by the second notch 30 corresponds to a second position, in which the opening of the door is maximum and can be limited, for example, by abutment of the roller 26 against a wall of the housing 17. When one open the door, the roller 26 rolls on the ramp 28a and rotates the disc 31 clockwise by pushing the first blade 28, until it fits in the first notch 29.
  • the disc 31 returns to its middle position when the roller is between the notches 29 and 30, then it pivots counterclockwise when the roller pushes back from the notch 30.
  • the movements s have similar, but opposite to those just described for the opening.
  • the housing 17 has on its lower face two opposite fixing lugs 34 and 35 which make it possible to fix it astride the fixed part 14 of the hinge, for example by means of a single transverse screw 36.
  • the mounting and the disassembly of the hinge are particularly easy.
  • the housing 17 is sealed in a leaktight manner by the upper cover 18, by means of a suitable seal not shown, and it can also be sealed in the upper part 24 of the movable knuckle, so that the retaining mechanism is perfectly sheltered from the effects of water and dirt, and can in particular be lubricated for life.
  • vehicle users are not likely to get dirty if they come into contact with the hinge.
  • Figures 7 and 8 show a variant of the retaining mechanism cooperating with the roller 26 of the pivoting lever 19.
  • the support against the roller is provided by the pivoting disc 31 under the action of the springs 33 shown in Figures 3 and 6, or by an equivalent element capable of pivoting around the axis 32 under the action of a spring.
  • the element of the mechanism pressing against the roller 26 is a lever 38 having one end articulated around an axis 39 in the housing 17, while its other end is pushed towards the roller 26 by a stud 40 carried by the disc 31.
  • the edge of the lever 38 on which the roller 26 rolls constitutes a cam comprising a ramp 41, a first notch 42 formed by a concave surface, a second ramp 43 extending to a point 44 , and a second notch 45 formed by a concave surface.
  • the free end 46 of the cam lever 38 slides in a groove 47 formed in the housing and one end of which 48 serves as a stop for the lever 38.
  • the present invention is not limited to the embodiments described above, but it extends to any modification or variant obvious to a person skilled in the art.
  • the stop device 16 could be fixed to the movable part of the hinge instead of the fixed part, or could be mounted at the lower end of the pin 15 instead of being mounted by- above.
  • This device can be provided on the two hinges of a door or on one, depending on the efforts to be made and according to the space available.
  • the parts of the device can be made of any suitable material, in particular metal or synthetic material in the form of molded parts, and the device can be manufactured and delivered in the form of an independent unit, fitting on a manufactured hinge. elsewhere.
  • the mechanism housed in the housing can be designed in a different way, for example if the cam surface is provided on a pivoting element provided in place of the lever 19, while that a corresponding support roller is mounted in the housing, on a moving part urged by one or more springs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)

Abstract

L'invention concerne une charnière de porte ayant un dispositif d'arrêt et de retenue qui est particulièrement sûr et durable. La partie mobile (13) de la charnière se trouve le long de l'axe d'articulation (1) entre la partie fixe (14) et un boîtier (17) contenant le mécanisme de retenue et solidaire de ladite partie fixe (14). Dans le boîtier, un levier pivotant (19) est solidaire en rotation de la partie mobile (13) et porte un galet (26) sur lequel un dispositif à ressorts (31, 40) presse un ou plusieurs crans (42, 45). Ceux-ci définissent des positions ouvertes de la porte (11). Le boîtier (17) est étanche et il est emboîté sur la partie fixe et sur l'axe de la charnière. La charnière est utilisable notamment pour des portes de véhicules automobiles.The invention relates to a door hinge having a stop and hold device which is particularly safe and durable. The movable part (13) of the hinge is located along the articulation axis (1) between the fixed part (14) and a housing (17) containing the retaining mechanism and integral with said fixed part (14) . In the housing, a pivoting lever (19) is integral in rotation with the movable part (13) and carries a roller (26) on which a spring device (31, 40) presses one or more notches (42, 45). These define open positions of the door (11). The housing (17) is waterproof and it is fitted on the fixed part and on the axis of the hinge. The hinge can be used in particular for motor vehicle doors.

Description

CHARNIERE A CRANS DE RETENUE POUR UNE PORTE, NOTAMMENT D'UN VEHICULE AUTOMOBILE.- HINGE WITH RETAINERS FOR A DOOR, ESPECIALLY OF A MOTOR VEHICLE.
La présente invention concerne une charnière à crans de retenue pour une porte, notamment d'un véhicule automobile, comportant une partie fixe, une partie mobile fixée à la porte et articulée à la partie fixe au moyen d'une cheville de façon à pivoter avec la porte autour de l'axe de la cheville et un mécanisme de retenue à crans qui est associé auxdites parties de la charnière et pourvu de moyens élastiques formant au moins un cran de retenue pour maintenir la porte dans une position ouverte correspondante.The present invention relates to a hinge with retaining notches for a door, in particular of a motor vehicle, comprising a fixed part, a movable part fixed to the door and articulated to the fixed part by means of a pin so as to pivot with the door around the axis of the pin and a notch retaining mechanism which is associated with said parts of the hinge and provided with elastic means forming at least one retaining notch to maintain the door in a corresponding open position.
Les charnières de ce genre sont bien connues et sont généralement apparentes entre la porte d'un véhicule et la partie de la caisse entourant la porte. Ces charnières connues ne sont absolument pas protégées des éléments extérieurs et elles sont mécaniquement solidaires des autres parties de la charnière. Comme elles doivent être lubrifiées, elles présentent aussi le risque de salir les vêtements des usagers entrant et sortant du véhicule.Hinges of this kind are well known and are generally apparent between the door of a vehicle and the part of the body surrounding the door. These known hinges are absolutely not protected from external elements and they are mechanically integral with the other parts of the hinge. As they must be lubricated, they also present the risk of dirtying the clothes of users entering and leaving the vehicle.
La présente invention a pour but de remédier aux inconvénients mentionnés ci-dessus des charnières classiques, en fournissant une charnière capable de remplir les mêmes fonctions mécaniques, mais se trouvant à l'abri des influences extérieures.The object of the present invention is to remedy the drawbacks mentioned above of conventional hinges, by providing a hinge capable of fulfilling the same mechanical functions, but being sheltered from external influences.
Dans ce but, l'invention fournit une charnière du type indiqué plus haut, caractérisée en ce qu'elle comporte un boîtier contenant le mécanisme de retenue et solidaire en rotation d'une première desdites parties et un élément d'appui solidaire en rotation de la seconde partie et s'étendant à l'intérieur du boîtier de façon à coopérer avec ledit mécanisme.For this purpose, the invention provides a hinge of the type indicated above, characterized in that it comprises a housing containing the retaining mechanism and integral in rotation with a first of said parts and a support element integral in rotation with the second part and extending inside the housing so as to cooperate with said mechanism.
De préférence, l'élément d'appui comporte une extrémité arrière pourvue d'un alésage axial emboîté sur la cheville et une extrémité avant coopérant avec ledit mécanisme. L'extrémité arrière de l'élément d'appui peut comporter des surfaces extérieures non circulaires et est emboîtée axialement dans un logement correspondant ménagé autour de la cheville dans la seconde partie de la charnière.Preferably, the support element comprises a rear end provided with an axial bore fitted on the dowel and a front end cooperating with said mechanism. The rear end of the support element may have non-circular external surfaces and is axially fitted in a corresponding housing formed around the pin in the second part of the hinge.
Dans une forme de réalisation préférée, l'extrémité avant de l'élément d'appui est pourvue d'un galet librement rotatif, coopérant avec des crans du mécanisme de retenue.In a preferred embodiment, the front end of the support element is provided with a freely rotating roller, cooperating with notches of the retaining mechanism.
Dans une première variante, le mécanisme de retenue comporte deux crans formés par des surfaces concaves d'une pièce pivotante à axe parallèle à l'axe de la cheville, et au moins une paire de ressorts sollicitant cette pièce dans des sens de rotation opposés, de façon à maintenir ladite pièce pivotante dans une position médiane quand le galet n'est pas en appui contre l'un des crans.In a first variant, the retaining mechanism comprises two notches formed by concave surfaces of a pivoting part with an axis parallel to the axis of the dowel, and at least one pair of springs biasing this part in opposite directions of rotation, so as to maintain said pivoting part in a central position when the roller is not in abutment against one of the notches.
Dans une seconde variante, le mécanisme de retenue comporte un levier à came ayant un bord appuyé contre le galet et muni de crans et une pièce pivotante pourvue d'un poussoir appuyé contre le bord opposé du levier à came, la pièce pivotante étant sollicitée par lesdits moyens élastiques.In a second variant, the retaining mechanism comprises a cam lever having an edge pressed against the roller and provided with notches and a pivoting part provided with a pusher supported against the opposite edge of the cam lever, the pivoting part being urged by said elastic means.
De préférence, le boîtier comporte un couvercle disposé transversale¬ ment par rapport à l'axe de la cheville et assurant une fermeture sensiblement étanche sur le mécanisme de retenue.Preferably, the housing has a cover disposed transversely with respect to the axis of the dowel and ensuring a substantially sealed closure on the retaining mechanism.
En général, le boîtier est fixé à ladite partie fixe de la charnière, et ledit élément d'appui est solidaire en rotation de ladite partie mobile.In general, the housing is fixed to said fixed part of the hinge, and said support element is integral in rotation with said movable part.
De préférence, le long de la cheville, ladite partie mobile est placée entre la partie fixe et le boîtier. Le boîtier peut comporter deux pattes extérieures sensiblement parallèles, disposées de part et d'autre de ladite partie fixe de la charnière et pourvues d'au moins une vis de blocage.Preferably, along the ankle, said movable part is placed between the fixed part and the housing. The housing may comprise two substantially parallel outer tabs, arranged on either side of said fixed part of the hinge and provided with at least one locking screw.
La présente invention sera mieux comprise à l'aide de la description suivante d'exemples de réalisation, en référence aux dessins annexés, dans lesquels : La figure 1 est une vue schématique en élévation montrant une charnière de porte d'automobile réalisée selon l'invention,The present invention will be better understood with the aid of the following description of exemplary embodiments, with reference to the appended drawings, in which: FIG. 1 is a diagrammatic elevation view showing an automobile door hinge produced according to the invention,
La figure 2 est une vue en plan de la charnière de la figure 1 ,FIG. 2 is a plan view of the hinge of FIG. 1,
La figure 3 est une vue analogue à la figure 2, après que l'on ait enlevé un couvercle supérieur de la charnière, pour montrer un mécanisme de retenue à crans,FIG. 3 is a view similar to FIG. 2, after removing an upper cover from the hinge, to show a notch retaining mechanism,
La figure 4 est une vue en coupe partielle suivant la ligne IV-IV de la figure 2,FIG. 4 is a partial sectional view along line IV-IV of FIG. 2,
La figure 5 est une vue en coupe partielle suivant la ligne V-V de la figure 3,FIG. 5 is a view in partial section along the line V-V of FIG. 3,
La figure 6 est une vue en coupe partielle suivant la ligne VI-VI de la figure 3, etFIG. 6 is a partial sectional view along line VI-VI of FIG. 3, and
Les figures 7 et 8 sont des* vues analogues à la figure 3 et représentent, dans deux positions différentes, une autre forme de réalisation du mécanisme de retenue de la porte.Figures 7 and 8 are * views similar to Figure 3 and show, in two different positions, another embodiment of the door retention mechanism.
Les figures 1 à 6 représentent une première forme de réalisation d'une charnière 10 à axe 1 vertical ou incliné, permettant d'assurer, avec une seconde charnière de même axe, l'articulation d'une porte 1 1 d'un véhicule automobile sur une partie fixe de la caisse du véhicule, constitué habituellement par une pièce 12 appelée pied de caisse. De manière classique, la charnière 10 comporte une partie mobile 13 composée d'un élément tubulaire appelé charnon 13a et d'une penture 13b fixée à la porte 1 1, et une partie fixe 1 composée d'un charnon 1 a et d'une penture 14b fixée au pied de caisse 12, la partie mobile 13 reposant sur la partie fixe 14 et étant articulée à elle au moyen d'une cheville cylindrique 15 fixée à l'un des deux charnons. De plus, la charnière est pourvue d'un dispositif d'arrêt de porte 16 permettant d'assurer le maintien de la porte dans au moins une position ouverte. Dans cet exemple, le dispositif comporte deux crans pour définir deux positions ouvertes, comme c'est le cas habituellement, mais ce nombre n'est pas limitatif. Le dispositif d'arrêt 16 est logé dans un boîtier 17 fermé par un couvercle supérieur 18 et fixé à la partie fixe 14 de la charnière au moyen d'une vis 36. Le boîtier 17 chevauche l'extrémité supérieure de la cheville 15, de sorte que le charnon mobile 13a ne peut se soulever et est encadré par la partie fixe 14 et le boîtier 17.Figures 1 to 6 show a first embodiment of a hinge 10 to axis 1 vertical or inclined, to ensure, with a second hinge of the same axis, the articulation of a door 1 1 of a motor vehicle on a fixed part of the vehicle body, usually consisting of a part 12 called the body base. Conventionally, the hinge 10 comprises a movable part 13 composed of a tubular element called knuckle 13a and a hinge 13b fixed to the door 1 1, and a fixed part 1 composed of a knuckle 1 a and a hinge 14b fixed to the body 12, the movable part 13 resting on the fixed part 14 and being articulated to it by means of a cylindrical dowel 15 fixed to one of the two knuckles. In addition, the hinge is provided with a door stop device 16 making it possible to maintain the door in at least one open position. In this example, the device has two notches to define two open positions, as is usually the case, but this number is not limiting. The stop device 16 is housed in a housing 17 closed by an upper cover 18 and fixed to the fixed part 14 of the hinge by means of a screw 36. The housing 17 straddles the upper end of the pin 15, so that the movable knuckle 13a cannot lift and is surrounded by the fixed part 14 and the housing 17.
Dans le boîtier 17, un levier 19 est articulé au moyen d'un palier 20 dans un alésage 21 du boîtier. Comme le montre la figure 4, ce levier comporte une partie inférieure pourvue de deux méplats latéraux opposés 22 et 23 et emboîtés verticalement dans une partie supérieureIn the housing 17, a lever 19 is articulated by means of a bearing 20 in a bore 21 of the housing. As shown in Figure 4, this lever has a lower part provided with two opposite lateral flats 22 and 23 and fitted vertically in an upper part
24 du charnon mobile 13a s'étendant dans l'intérieur du boîtier 17. Le levier 19 est pourvu d'un alésage vertical 19a qui est emboîté sur une extrémité supérieure 25 de la cheville 15 et qui centre ainsi le levier et son palier sur la cheville et son axe 1. Ainsi, quand on fait pivoter la porte, le levier 19 est entraîné par appui sur ses méplats 22 et 23 et il pivote de la même manière. En même temps, son extrémité libre, pourvue d'un galet 26 librement rotatif sur un téton 27 de la face inférieure du levier, coopère avec un mécanisme de retenue à crans, logé à l'intérieur du boîtier 17.24 of the movable knuckle 13a extending inside the housing 17. The lever 19 is provided with a vertical bore 19a which is fitted on an upper end 25 of the pin 15 and which thus centers the lever and its bearing on the pin and its axis 1. Thus, when the door is pivoted, the lever 19 is driven by pressing on its flats 22 and 23 and it pivots in the same way. At the same time, its free end, provided with a freely rotating roller 26 on a stud 27 on the underside of the lever, cooperates with a notch retaining mechanism, housed inside the housing 17.
Le mécanisme de retenue comporte, pour s'appuyer contre le galet 26, une première lame 28 pourvue d'une rampe latérale 28a et d'une surface concave définissant un premier cran 29, et une seconde lame pourvue d'une surface concave formant un second cran 30. Ces deux lames sont fixées sur un disque 31 monté dans le boîtier de manière à pouvoir pivoter autour de son axe central 32, grâce à un téton cylindrique 31a ménagé sous le disque et engagé dans un alésage correspondant du boîtier. Des gorges semi-circulaires sont ménagées suivant un tracé circulaire dans la face inférieure du disque 31 et dans surface opposée du boîtier 17, pour loger deux paires de ressorts de compression 33 qui sont opposés deux à deux et tendent à maintenir le disque 31 dans une position médiane. Les ressorts 33 sont placés sous contrainte, et exercent ainsi sur le disque 31 un effort permanent qui s'oppose élastiquement à la rotation du disque dans les deux sens.The retaining mechanism comprises, to bear against the roller 26, a first blade 28 provided with a lateral ramp 28a and a concave surface defining a first notch 29, and a second blade provided with a concave surface forming a second notch 30. These two blades are fixed on a disc 31 mounted in the housing so as to be able to pivot around its central axis 32, by virtue of a cylindrical stud 31a formed under the disc and engaged in a corresponding bore in the housing. Semicircular grooves are formed in a circular path in the underside of the disc 31 and in the opposite surface of the housing 17, to accommodate two pairs of compression springs 33 which are opposite in pairs and tend to hold the disc 31 in a middle position. The springs 33 are placed under stress, and thus exert on the disc 31 a permanent force which elastically opposes the rotation of the disc in both directions.
Dans la figure 3, la position du levier 19 dessinée en traits continus, correspond à la position fermée de la porte 1 1. Sa position 19' définie par le premier cran 29 correspond à une première position ouverte, où la porte a une faible ouverture, et sa position 19" définie par le second cran 30 correspond à une seconde position, dans laquelle l'ouverture de la porte est maximale et peut être limitée, par exemple, par butée du galet 26 contre une paroi du boîtier 17. Quand on ouvre la porte, le galet 26 roule sur la rampe 28a et fait pivoter le disque 31 dans le sens des aiguilles de la montre en repoussant la première lame 28, jusqu'à ce qu'il se loge dans le premier cran 29. Si l'on continue d'ouvrir la porte, le disque 31 reprend sa position médiane quand le galet se trouve entre les crans 29 et 30, puis il pivote dans le sens contraire aux aiguilles de la montre quand le galet pousse en arrière de cran 30. Au cours de la fermeture de la porte 1 1 , les mouvements sont similaires, mais inverses de ceux qui viennent d'être décrits pour l'ouverture. Avec un tel mécanisme, la forme et l'implantation des éléments 28, 29 et 30 appuyant le galet sont tout à fait libres et permettent de choisir de manière indépendante les forces respectives d'appui sur les deux crans 29 et 30.In Figure 3, the position of the lever 19 drawn in solid lines, corresponds to the closed position of the door 1 1. Its position 19 'defined by the first notch 29 corresponds to a first open position, where the door has a small opening , and its position 19 "defined by the second notch 30 corresponds to a second position, in which the opening of the door is maximum and can be limited, for example, by abutment of the roller 26 against a wall of the housing 17. When one open the door, the roller 26 rolls on the ramp 28a and rotates the disc 31 clockwise by pushing the first blade 28, until it fits in the first notch 29. If the 'We continue to open the door, the disc 31 returns to its middle position when the roller is between the notches 29 and 30, then it pivots counterclockwise when the roller pushes back from the notch 30. During the closing of door 1 1, the movements s have similar, but opposite to those just described for the opening. With such a mechanism, the shape and location of the elements 28, 29 and 30 supporting the roller are completely free and allow the respective support forces to be chosen independently of the two notches 29 and 30.
Le boîtier 17 comporte à sa face inférieure deux pattes opposées de fixation 34 et 35 qui permettent de le fixer à cheval sur la partie fixe 14 de la charnière, par exemple au moyen d'une seul vis transversale 36. Ainsi, le montage et le démontage de la charnière sont particulièrement aisés. De préférence, le boîtier 17 est obturé de manière étanche par le couvercle supérieur 18, grâce à un joint approprié non représenté, et il peut également être joint de manière étanche à la partie supérieure 24 du charnon mobile, de sorte que le mécanisme de retenue se trouve parfaitement à l'abri des effets de l'eau et de la saleté, et peut notamment être lubrifié à vie. En outre, les usagers du véhicule ne risquent pas de se salir en cas de contact avec la charnière. Les figures 7 et 8 représentent une variante du mécanisme de retenue coopérant avec le galet 26 du levier pivotant 19. Comme dans l'exemple précédent, l'appui contre le galet est assuré par le disque pivotant 31 sous l'action des ressorts 33 représentés aux figures 3 et 6, ou bien par un élément équivalent capable de pivoter autour de l'axe 32 sous l'action d'un ressort. Dans le cas présent, l'élément du mécanisme s'appuyant contre le galet 26 est un levier 38 ayant une extrémité articulée autour d'un axe 39 dans le boîtier 17, tandis que son autre extrémité est poussée en direction du galet 26 par un téton 40 porté par le disque 31. Le bord du levier 38 sur lequel roule le galet 26 constitue une came comprenant une rampe 41, un premier cran 42 formé par une surface concave, une seconde rampe 43 s'étendant jusqu'à un point 44, et un second cran 45 formé par une surface concave. L'extrémité libre 46 du levier à came 38 coulisse dans une rainure 47 ménagée dans le boîtier et dont une extrémité 48 sert d'arrêt pour le levier 38. Les positions 19' etThe housing 17 has on its lower face two opposite fixing lugs 34 and 35 which make it possible to fix it astride the fixed part 14 of the hinge, for example by means of a single transverse screw 36. Thus, the mounting and the disassembly of the hinge are particularly easy. Preferably, the housing 17 is sealed in a leaktight manner by the upper cover 18, by means of a suitable seal not shown, and it can also be sealed in the upper part 24 of the movable knuckle, so that the retaining mechanism is perfectly sheltered from the effects of water and dirt, and can in particular be lubricated for life. In addition, vehicle users are not likely to get dirty if they come into contact with the hinge. Figures 7 and 8 show a variant of the retaining mechanism cooperating with the roller 26 of the pivoting lever 19. As in the previous example, the support against the roller is provided by the pivoting disc 31 under the action of the springs 33 shown in Figures 3 and 6, or by an equivalent element capable of pivoting around the axis 32 under the action of a spring. In the present case, the element of the mechanism pressing against the roller 26 is a lever 38 having one end articulated around an axis 39 in the housing 17, while its other end is pushed towards the roller 26 by a stud 40 carried by the disc 31. The edge of the lever 38 on which the roller 26 rolls constitutes a cam comprising a ramp 41, a first notch 42 formed by a concave surface, a second ramp 43 extending to a point 44 , and a second notch 45 formed by a concave surface. The free end 46 of the cam lever 38 slides in a groove 47 formed in the housing and one end of which 48 serves as a stop for the lever 38. The positions 19 'and
19" du levier 19, définies par les crans 42 et 45, correspondent à celles de l'exemple précédent. En revanche, l'utilisation du levier à came 38 permet d'avoir un contact continu entre le galet 26 et la surface de la came, sauf dans la position fermée de la porte. La forme de la came 38a, peut être choisie tout à fait librement.19 "of the lever 19, defined by the notches 42 and 45, correspond to those of the previous example. On the other hand, the use of the cam lever 38 makes it possible to have continuous contact between the roller 26 and the surface of the cam, except in the closed position of the door, the shape of the cam 38a can be chosen completely freely.
La présente invention n'est pas limitée aux formes de réalisation décrites ci-dessus, mais elle s'étend à toute modification ou variante évidente pour un homme du métier. En particulier il est évident que le dispositif d'arrêt 16 pourrait être fixé à la partie mobile de la charnière au lieu de la partie fixe, ou pourrait être monté à l'extrémité inférieure de la cheville 15 au lieu d'être monté par-desssus. Ce dispositif peut être prévu sur les deux charnières d'une porte ou sur une seule, selon les efforts à exercer et selon la place disponible. Les pièces du dispositif peuvent être réalisées en tous matériaux appropriés, notamment en métal ou en matière synthétique sous la forme de pièces moulées, et le dispositif peut être fabriqué et livré sous la forme d'une unité indépendante, s'adaptant sur une charnière fabriquée ailleurs. Il faut également relever qu'on peut concevoir d'une manière différente le mécanisme logé dans le boîtier, par exemple si la surface de came est ménagée sur un élément pivotant prévu à la place du levier 19, tandis qu'un galet d'appui correspondant est monté dans le boîtier, sur une pièce mobile sollicitée par un ou plusieurs ressorts. The present invention is not limited to the embodiments described above, but it extends to any modification or variant obvious to a person skilled in the art. In particular it is obvious that the stop device 16 could be fixed to the movable part of the hinge instead of the fixed part, or could be mounted at the lower end of the pin 15 instead of being mounted by- above. This device can be provided on the two hinges of a door or on one, depending on the efforts to be made and according to the space available. The parts of the device can be made of any suitable material, in particular metal or synthetic material in the form of molded parts, and the device can be manufactured and delivered in the form of an independent unit, fitting on a manufactured hinge. elsewhere. It should also be noted that the mechanism housed in the housing can be designed in a different way, for example if the cam surface is provided on a pivoting element provided in place of the lever 19, while that a corresponding support roller is mounted in the housing, on a moving part urged by one or more springs.

Claims

Revendications claims
1. Charnière à crans de retenue pour une porte, notamment d'un véhicule automobile, comportant une partie fixe, une partie mobile fixée à la porte et articulée à la partie fixe au moyen d'une cheville de façon à pivoter avec la porte autour de l'axe de cheville, et un mécanisme de retenue à crans qui est associé auxdites parties de la charnière et pourvu de moyens élastiques formant au moins un cran de retenue pour maintenir la porte dans une position ouverte correspondante, caracté¬ risée en ce qu'elle comporte un boîtier (17) contenant le mécanisme de retenue (16) et solidaire en rotation d'une première (14) desdites parties, et un élément d'appui (19) solidaire en rotation de la seconde partie (13) et s'étendant à l'intérieur du boîtier (17) de façon à coopérer avec ledit mécanisme (16).1. Hinge with retaining notches for a door, in particular of a motor vehicle, comprising a fixed part, a mobile part fixed to the door and articulated to the fixed part by means of a dowel so as to pivot with the door around of the pin axis, and a notch retaining mechanism which is associated with said parts of the hinge and provided with elastic means forming at least one retaining notch to maintain the door in a corresponding open position, caracté¬ ized in that 'It comprises a housing (17) containing the retaining mechanism (16) and integral in rotation with a first (14) of said parts, and a support element (19) integral in rotation with the second part (13) and extending inside the housing (17) so as to cooperate with said mechanism (16).
2. Charnière selon la revendication 1, caractérisée en ce que l'élément d'appui (19) comporte une extrémité arrière pourvue d'un alésage axial2. Hinge according to claim 1, characterized in that the support element (19) has a rear end provided with an axial bore
(19a) emboîté sur la cheville (15), et une extrémité avant coopérant avec ledit mécanisme.(19a) fitted on the pin (15), and a front end cooperating with said mechanism.
3. Charnière selon la revendication 2, caractérisée en ce que l'extrémité arrière de l'élément d'appui (19) comporte des surfaces extérieures non circulaires (22, 23) et est emboîtée axialement dans un logement correspondant ménagé autour de la cheville (15) dans la seconde partie (13) de la charnière.3. Hinge according to claim 2, characterized in that the rear end of the support element (19) has non-circular outer surfaces (22, 23) and is fitted axially in a corresponding housing formed around the dowel (15) in the second part (13) of the hinge.
4. Charnière selon la revendication 2, caractérisée en ce que l'extrém.ité avant de l'élément d'appui (19) est pourvue d'un galet (26) librement rotatif, coopérant avec des crans (29, 30; 42, 45) du mécanisme de retenue.4. Hinge according to claim 2, characterized in that the extrem . ity before the support element (19) is provided with a roller (26) freely rotatable, cooperating with notches (29, 30; 42, 45) of the retaining mechanism.
5. Charnière selon la revendication 4, caractérisée en ce que le mécanisme de retenue comporte deux crans (29, 30) formés par des surfaces concaves d'une pièce pivotante (31) à axe (32) parallèle à l'axe (1) de la cheville, et au moins une paire de ressorts- (33) .sollicitant cette pièce (31) dans des sens de rotation opposés, de façon à maintenir ladite pièce pivotante dans une position médiane quand le galet n'est pas en appui contre l'un des crans.5. Hinge according to claim 4, characterized in that the retaining mechanism comprises two notches (29, 30) formed by concave surfaces of a pivoting part (31) with an axis (32) parallel to the axis (1) of the dowel, and at least one pair of springs (33). requesting this part (31) in opposite directions of rotation, so as to maintain said pivoting part in a middle position when the roller is not in abutment against one of the notches.
6. Charnière selon la revendication 4, caractérisée en ce que le mécanisme de retenue comporte un levier à came (38) ayant un bord (38a) appuyé contre le galet et muni de crans (42, 45) et une pièce pivotante (31) pourvue d'un poussoir (40) appuyé contre le bord opposé du levier à came, la pièce pivotante étant sollicitée par lesdits moyens élastiques.6. Hinge according to claim 4, characterized in that the retaining mechanism comprises a cam lever (38) having an edge (38a) pressed against the roller and provided with notches (42, 45) and a pivoting part (31) provided with a pusher (40) pressed against the opposite edge of the cam lever, the pivoting part being urged by said elastic means.
7. Charnière selon la revendication 1, caractérisée en ce que le boîtier (17) comporte un couvercle (18) disposé transversalement par rapport à l'axe (1) de la cheville et assurant une fermeture sensiblement étanche sur le mécanisme de retenue (16).7. Hinge according to claim 1, characterized in that the housing (17) comprises a cover (18) disposed transversely relative to the axis (1) of the pin and ensuring a substantially sealed closure on the retaining mechanism (16 ).
8. Charnière selon la revendication 1, caractérisée en ce que le boîtier (17) est fixé à ladite partie fixe (14) de la charnière, et en ce que ledit élément d'appui (19) est solidaire en rotation de ladite partie mobile.8. Hinge according to claim 1, characterized in that the housing (17) is fixed to said fixed part (14) of the hinge, and in that said support element (19) is integral in rotation with said movable part .
9. Charnière selon la revendication 8, caractérisée en ce que, le long de la cheville (15), ladite partie mobile (13) est placée entre la partie fixe (14) et le boîtier (17).9. Hinge according to claim 8, characterized in that, along the dowel (15), said movable part (13) is placed between the fixed part (14) and the housing (17).
10. Charnière selon la revendication 8, caractérisée en ce que le boîtier comporte deux pattes extérieures (34, 35) sensiblement parallèles, disposées de part et d'autre de ladite partie fixe (14) de la charnière et pourvues d'au moins une vis de blocage (36). 10. Hinge according to claim 8, characterized in that the housing has two substantially parallel outer legs (34, 35), arranged on either side of said fixed part (14) of the hinge and provided with at least one locking screw (36).
EP90910134A 1989-04-12 1990-06-20 Hinge having stop notches for a door, particularly a car door Expired - Lifetime EP0563032B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90910134T ATE133746T1 (en) 1990-06-20 1990-06-20 DOOR HINGE WITH HOLDING RECESSES, ESPECIALLY FOR MOTOR VEHICLES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8905030A FR2645900B1 (en) 1989-04-12 1989-04-12 HINGE WITH RETAINERS FOR A DOOR, ESPECIALLY OF A MOTOR VEHICLE
PCT/FR1990/000448 WO1991019876A1 (en) 1989-04-12 1990-06-20 Hinge having stop notches for a door, particularly a car door

Publications (2)

Publication Number Publication Date
EP0563032A1 true EP0563032A1 (en) 1993-10-06
EP0563032B1 EP0563032B1 (en) 1996-01-31

Family

ID=9380781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90910134A Expired - Lifetime EP0563032B1 (en) 1989-04-12 1990-06-20 Hinge having stop notches for a door, particularly a car door

Country Status (3)

Country Link
US (1) US5311644A (en)
EP (1) EP0563032B1 (en)
WO (1) WO1991019876A1 (en)

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US9416572B2 (en) 2014-12-08 2016-08-16 Peter M. Tolliver Adjustable swing-controlled hinge
USD790317S1 (en) * 2015-07-21 2017-06-27 A & K Hinges, LLC Hinge
USD925330S1 (en) 2015-07-23 2021-07-20 Meso Scale Technologies, Llc. Hinge
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Also Published As

Publication number Publication date
EP0563032B1 (en) 1996-01-31
US5311644A (en) 1994-05-17
WO1991019876A1 (en) 1991-12-26

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