EP0338888A1 - Stop device for a pivoting articulated element - Google Patents

Stop device for a pivoting articulated element Download PDF

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Publication number
EP0338888A1
EP0338888A1 EP89400992A EP89400992A EP0338888A1 EP 0338888 A1 EP0338888 A1 EP 0338888A1 EP 89400992 A EP89400992 A EP 89400992A EP 89400992 A EP89400992 A EP 89400992A EP 0338888 A1 EP0338888 A1 EP 0338888A1
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EP
European Patent Office
Prior art keywords
branches
spring
rollers
upright
integral
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
EP89400992A
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German (de)
French (fr)
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EP0338888B1 (en
Inventor
Philippe Barbey
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
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Automobiles Peugeot SA
Automobiles Citroen SA
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Application filed by Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0338888A1 publication Critical patent/EP0338888A1/en
Application granted granted Critical
Publication of EP0338888B1 publication Critical patent/EP0338888B1/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
    • E05C17/203—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles

Definitions

  • the present invention essentially relates to a device for stopping the rotation of an articulated element, in particular a door, on a support or body element of a vehicle.
  • a rotational stop device comprising a spring with two branches which is fixed, by means of a stamped housing, on an upright secured to one of the aforementioned elements and which receives, thanks to rollers freely rotating on its branches, a connecting arm secured to the other element.
  • the link arm which is equipped with stop means formed by spaced notches and produced on either side thereof, slides between the branches of the spring when the door is opened or closed. to immobilize it and hold it in predetermined open positions.
  • this device allows effective blocking and sufficiently stable stopping of the door in its different positions, it is a source of noise generally amplified by the structure of the vehicle which forms the sounding board.
  • the object of the invention is to provide a device for stopping rotation ensuring effective maintenance of the articulated or door element relative to the support element or body of the vehicle, and the operation of which is perfectly silent.
  • the subject of the invention is a device for stopping the rotation of an articulated element, in particular of a door, on a support or body element of a vehicle, and of the type comprising a spring with two branches which is fixed to an upright secured to one of the aforementioned elements and which receives, by means of rollers mounted free in rotation on its branches, a connecting arm secured to the other element and equipped with stop means cooperating with the rollers when this arm slides in said spring in a plane substantially perpendicular to the axis of rotation of the rollers, so as to limit the movement of the articulated or door element relative to the support element or body of the vehicle, characterized in which it comprises at least one elastic, acoustically insulating element, disposed between the upright and a tubular guide which receives the free end of the branches of the spring and the rollers mounted on these branches.
  • the device according to the invention is provided with a second elastic element, acoustically insulating, which is integral with the aforementioned upright and which maintains a working part of the spring which is distant from its free ends.
  • the device according to the invention comprises a base fixed to the upright and now the two aforementioned elastic elements.
  • each elastic element is in one piece.
  • the device comprises a cover which can be fixed on the aforementioned base, to constitute with the latter a housing, by trapping each elastic element.
  • each elastic element is produced in two independent parts, one of the two parts being secured to the base while the other is secured to the cover.
  • a device for stopping rotation 1 of an element 2, in particular of a door 3, articulated on a support element 4, such as the bodywork 5 of a vehicle, by means of a mechanism not shown comprises a spring 6 called a hairpin, provided with two branches 7 and 8, substantially parallel and connected to each other by means of a working part 9 elastically deformable.
  • the spring 6 is fixed to an upright 10 integral with the articulated element 2, by means of two elastic elements 11 and 12, acoustically insulating.
  • the elastic element 11 receives the free ends 7a and 8a of the respective branches 7 and 8 of the spring 6, by means of a guide 13 of essentially tubular shape.
  • the guide 13 is equipped with two parallel walls 14 and 15 each provided with two slots 16 and 17 in which the respective free ends 7a and 8a of the spring 6 are capable of sliding.
  • rollers 18 and 19 mounted respectively free to rotate on the branches 7 and 8.
  • the rollers 18 and 19 are respectively provided with external peripheral grooves 20 and 21 in which engages a connecting arm 22 capable of sliding between the branches 7 and 8 of the spring 6 in a plane PO substantially perpendicular to the respective axes of rotation X and Y of the rollers 18 and 19.
  • the guide 13 has two parallel walls 23 and 24, perpendicular to the walls 14 and 15, and provided respectively with openings 25 and 26 allowing the passage of the link arm 22.
  • the second elastic element 12 for its part, is provided with a housing 27 adapted to receive the working part 9 of the spring 6.
  • the second elastic element 12 has a slot 28 opening into the housing 27 and allowing the insertion of the working part 9.
  • the two elastic elements 11 and 12 are housed in a housing 29 fixed to the upright 10 by means of a fixing means F constituted by two screws 30 and 31 arranged in orifices made in the upright 10 and cooperating with two corresponding nuts, not shown.
  • the housing 29 comprises on the one hand a base 32, made for example from stamped sheet metal and pressed against a face 10a of the upright 10 via the fixing system F, and on the other hand a cover 33, which can likewise be made of stamped sheet metal, shaped to receive the elastic elements 11 and 12 and to adapt and attach to the base 32.
  • the base 32 and the cover 33 are equipped with a retaining means R.
  • the retaining means R is constituted on the one hand, by plastically deformable tongues 32a, 32b, 32c and 32d provided on the base 32 and coming in one piece with it, and on the other hand by plastically deformable tongues 33a and 33b formed by extensions of the cover 33 and covering the peripheral parts 32e and 32f of the base 32, these peripheral parts being deformed to be distant from the face 10a of the upright 10 by a distance greater than or equal to the thickness of the tongues 33a and 33b.
  • the retaining means R may consist of two flanges, not shown, similar in cross section to the legs 33a and 33b, visible in FIG. 1, but extending over the entire length of the cover 33.
  • the elastic elements 11 and 12 can be one-piece elements.
  • the rotation stop device 1 of the cover 33 will preferably be fitted, constituting, with the base 32, the housing 29, in order to protect the spring 6, the elastic elements 11 and 12 and the guide 13.
  • this arrangement makes it possible to introduce into the housing 29 a lubricating element, such as a high viscosity grease, in order to achieve permanent lubrication of the device and to ensure reliable and efficient operation thereof.
  • a lubricating element such as a high viscosity grease
  • the elastic elements 11 and 12, as shown in FIGS. 3A and 3B can be separated longitudinally to form respectively two independent parts 11a, 11b and 12a, 12b the first parts 12a and 11a being integral with the base 32 while the second parts 12b and 11b are integral with the cover 33.
  • this configuration makes it possible to change the elements housed in the housing 29 by dismantling the cover 33 and the parts 11b, 12b held thereon, for example fixedly by gluing or the like, without first removing the fixing system F.
  • FIG. 4 shows in perspective the first embodiment of the spring 6, of the pin type, of which the working part 9 is elastically deformable and produced in the form of a half-torus 34, the end parts 34a and 34b of which are respectively connected branches 7 and 8.
  • the working part 9 is constituted by a turn 35, the end parts 35a and 35b of which are respectively connected to the branches 7 and 8.
  • FIG. 6 represents a third embodiment of the spring 6 similar to the first embodiment shown in FIG. 4 but in which the branches 7 and 8 have been curved substantially at 90 ° to constitute respectively two parts of the branch 7b, 7c and 8b , 8c.
  • FIG. 7 which represents a fourth embodiment of the spring 6, it is possible to combine the second and third embodiments to obtain a spring of which the working part 9 is constituted by a turn 35 and of which the branches 7 and 8 are respectively curved by an angle substantially equal to 90 °, the branch 7 then being formed by two branch parts 7b and 7c perpendicular while the branch 8 is formed by two branch parts 8b and 8c perpendicular.
  • the plane P1 formed by the geometric axes of the branches 37 and 8 is offset by an appropriate angles ⁇ with respect to a plane P2 formed by the geometric axes of the branches 7 and 37.
  • the operation of the device is as follows.
  • the articulated element 2 or door 3 When the articulated element 2 or door 3 is actuated, for example by a passenger of the vehicle, it pivots relative to the support element 4 or bodywork 5, which causes the link arm 22 to slide inside the spring 6 , through the longitudinal openings 25 and 26 of the guide 13 and through passage slots 11p, 32p, 33p, 10p and 3p produced respectively in the elastic element 11, the base 32, the cover 33, the upright 10, and door 3.
  • rollers 18 and 19 penetrate into a first stop means 40a constituted by notches 41 and 42 formed respectively near the ramps 38 and 39.
  • the articulated element 2 or door 3 is held positively in a first travel or stop position relative to the support element 4 or bodywork 5 of the vehicle.
  • the articulated element 2 is held stably in a second stop position corresponding to a predetermined opening or movement relative to the support element 4.
  • the articulated element 2 can be returned to its initial position, relative to the support element 4, by applying to it an additional pushing force, to allow the rotating rollers 18 and 19 to pass through ramps 50 and 51 respectively adjacent to notches 41 and 42.
  • the device operates in an extremely silent manner.
  • the elastic elements 11 and 12 can be made of rubber or elastomer such as a polyurethane.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The invention relates to a device for stopping the rotation of an articulated element (2), especially a door (3), on a supporting element (4) or body (5) of a vehicle. This device comprises a spring (6) with two branches (7, 8) which is fastened to an upright (10) fixed to one of the abovementioned elements and which receives, by means of rollers (18, 19) mounted freely rotatably on its branches (7, 8), a connecting arm (22) fixed to the other element and equipped with stop means (40a, 40b) capable of co-operating with the rollers (18, 19), characterised in that it comprises at least one acoustically insulating elastic element (11, 12) arranged between the upright (10) and a tubular guide (13) receiving the free end (7a, 8a) of the branches (7, 8) of the spring (6) and the rollers (18, 19) mounted on these branches. The invention is used, for example, on a motor vehicle of any type. <IMAGE>

Description

La présente invention a essentiellement pour objet un dispositif d'arrêt en rotation d'un élément articulé, notamment d'une porte, sur un élément support ou carrosserie d'un véhicule.The present invention essentially relates to a device for stopping the rotation of an articulated element, in particular a door, on a support or body element of a vehicle.

On connait déja, d'après par exemple le brevet britannique N° 1 449 671, un dispositif d'arrêt en rotation comportant un ressort a deux branches qui est fixé, par l'intermédiaire d'un logement embouti, sur un montant solidaire de l'un des éléments précités et qui reçoit, grâce à des galets tournant librement sur ses branches, un bras de liaison solidaire de l'autre élément.We already know, for example from British Patent No. 1,449,671, a rotational stop device comprising a spring with two branches which is fixed, by means of a stamped housing, on an upright secured to one of the aforementioned elements and which receives, thanks to rollers freely rotating on its branches, a connecting arm secured to the other element.

Ainsi, le bras de liaison qui est équipé de moyens d'arrêt formés par des encoches espacées et réalisées de part et d'autre de celui-ci, coulisse entre les branches du ressort lors de l'ouverture ou de la fermeture de la porte pour l'immobiliser et la retenir en des positions ouvertes prédéterminées.Thus, the link arm which is equipped with stop means formed by spaced notches and produced on either side thereof, slides between the branches of the spring when the door is opened or closed. to immobilize it and hold it in predetermined open positions.

Cependant, bien que ce dispositif permette un blocage efficace et un arrêt suffisamment stable de la porte dans ses différentes positions, il est source de bruits généralement amplifiés par la structure du véhicule qui forme caisse de résonance.However, although this device allows effective blocking and sufficiently stable stopping of the door in its different positions, it is a source of noise generally amplified by the structure of the vehicle which forms the sounding board.

Par ailleurs, on connait, d'après le brevet français N° 2 378 161, un dispositif d'arrêt en rotation d'un élément articulé, par exemple d'une porte, dans lequel l'effort de retenue est obtenu par des blocs élastiques appuyant transversalement sur un bras de liaison par l'intermédiaire de cylindres ou patins.Furthermore, we know from French Patent No. 2,378,161, a device for stopping the rotation of an articulated element, for example a door, in which the retaining force is obtained by blocks elastic pressing transversely on a connecting arm by means of cylinders or pads.

Bien qu'étant plus silencieux, ce dispositif ne permet pas d'assurer un blocage suffisant de l'élément articulé par rapport à l'élément support.Although quieter, this device does not allow not to ensure sufficient blocking of the articulated element relative to the support element.

Ainsi, l'invention a pour objet de fournir un dispositif d'arrêt en rotation assurant un maintien efficace de l'élément articulé ou porte par rapport à l'élément support ou carrosserie du véhicule, et dont le fonctionnement est parfaitement silencieux.Thus, the object of the invention is to provide a device for stopping rotation ensuring effective maintenance of the articulated or door element relative to the support element or body of the vehicle, and the operation of which is perfectly silent.

A cet effet, l'invention a pour objet un dispositif d'arrêt en rotation d'un élément articulé, notamment d'une porte, sur un élément support ou carrosserie d'un véhicule, et du type comportant un ressort à deux branches qui est fixé sur un montant solidaire de l'un des éléments précités et qui reçoit, par l'intermédiaire de galets montés libres en rotation sur ses branches, un bras de liaison solidaire de l'autre élément et équipé de moyens d'arrêt coopérant avec les galets lorsque ce bras coulisse dans ledit ressort dans un plan sensiblement perpendiculaire à l'axe de rotation des galets, de façon à limiter le débattement de l'élément articulé ou porte par rapport à l'élément support ou carrosserie du véhicule, caractérisé en ce qu'il comporte au moins un élément élastique, acoustiquement isolant, disposé entre le montant et un guide tubulaire qui reçoit l'extrémité libre des branches du ressort et les galets montés sur ces branches.To this end, the subject of the invention is a device for stopping the rotation of an articulated element, in particular of a door, on a support or body element of a vehicle, and of the type comprising a spring with two branches which is fixed to an upright secured to one of the aforementioned elements and which receives, by means of rollers mounted free in rotation on its branches, a connecting arm secured to the other element and equipped with stop means cooperating with the rollers when this arm slides in said spring in a plane substantially perpendicular to the axis of rotation of the rollers, so as to limit the movement of the articulated or door element relative to the support element or body of the vehicle, characterized in which it comprises at least one elastic, acoustically insulating element, disposed between the upright and a tubular guide which receives the free end of the branches of the spring and the rollers mounted on these branches.

Suivant une autre caractéristique, le dispositif selon l'invention est muni d'un second élément élastique, acoustiquement isolant, qui est solidaire du montant précité et qui maintient une partie de travail du ressort qui est éloignée de ses extrémités libres.According to another characteristic, the device according to the invention is provided with a second elastic element, acoustically insulating, which is integral with the aforementioned upright and which maintains a working part of the spring which is distant from its free ends.

On précisera encore ici que le dispositif selon l'invention comporte une embase fixée sur le montant et maintenant les deux éléments élastiques précités.It will also be specified here that the device according to the invention comprises a base fixed to the upright and now the two aforementioned elastic elements.

Par ailleurs, selon un mode de réalisation, chaque élément élastique est monobloc.Furthermore, according to one embodiment, each elastic element is in one piece.

Selon encore une autre caractéristique, le dispositif comporte un couvercle pouvant se fixer sur l'embase précitée, pour constituer avec celle-ci un boîtier, en emprisonnant chaque élément élastique.According to yet another characteristic, the device comprises a cover which can be fixed on the aforementioned base, to constitute with the latter a housing, by trapping each elastic element.

D'autre part, et suivant un autre mode de réalisation, chaque élément élastique est réalisé en deux parties indépendantes, l'une des deux parties étant solidaire de l'embase tandis que l'autre est solidaire du couvercle.On the other hand, and according to another embodiment, each elastic element is produced in two independent parts, one of the two parts being secured to the base while the other is secured to the cover.

Mais d'autres caractéristiques et avantages de l'invention apparaîtront mieux dans la description détaillée qui suit et se réfère aux dessins annexés, donnés uniquement a titre d'exemple, et dans lesquels :

  • La figure 1 est une vue en coupe du dispositif d'arrêt en rotation, de l'élément articulé et de l'élément support, faite suivant la ligne I-I de la figure 2 ;
  • La figure 2 est une vue en coupe longitudinale du dispositif selon l'invention, faite suivant la ligne II-II de la figure 1 ;
  • La figure 3 est une vue en coupe faite suivant la ligne III-III de la figure 2 ;
  • Les figures 3A et 3B sont des vues en coupe d'un autre mode de réalisation des éléments élastiques ; et
  • Les figures 4, 5, 6, 7 et 8 sont respectivement des vues en perspective d'un premier, d'un deuxième, d'un troisième, d'un quatrième et d'un cinquième mode de réalisation du ressort équipant le dispositif d'arrêt selon l'invention.
However, other characteristics and advantages of the invention will appear better in the detailed description which follows and refers to the appended drawings, given solely by way of example, and in which:
  • Figure 1 is a sectional view of the rotational stop device, the articulated member and the support member, taken along line II of Figure 2;
  • Figure 2 is a longitudinal sectional view of the device according to the invention, taken along line II-II of Figure 1;
  • Figure 3 is a sectional view taken along line III-III of Figure 2;
  • Figures 3A and 3B are sectional views of another embodiment of the elastic elements; and
  • Figures 4, 5, 6, 7 and 8 are respectively perspective views of a first, a second, a third, a fourth and a fifth embodiment of the spring fitted to the device. 'stop according to the invention.

En se reportant aux figures 1 à 3, et suivant un premier mode de réalisation, un dispositif d'arrêt en rotation 1 d'un élément 2, notamment d'une porte 3, articulé sur un élément support 4, tel que la carrosserie 5 d'un véhicule, par l'intermédiaire d'un mécanisme non représenté, comporte un ressort 6 dit en épingle, muni de deux branches 7 et 8, sensiblement parallèles et reliées entre-elles par l'intermédiaire d'une partie de travail 9 élastiquement déformable.Referring to Figures 1 to 3, and according to a first embodiment, a device for stopping rotation 1 of an element 2, in particular of a door 3, articulated on a support element 4, such as the bodywork 5 of a vehicle, by means of a mechanism not shown, comprises a spring 6 called a hairpin, provided with two branches 7 and 8, substantially parallel and connected to each other by means of a working part 9 elastically deformable.

Le ressort 6 est fixé sur un montant 10 solidaire de l'élément articulé 2, par l'intermédiaire de deux éléments élastiques 11 et 12, acoustiquement isolants.The spring 6 is fixed to an upright 10 integral with the articulated element 2, by means of two elastic elements 11 and 12, acoustically insulating.

L'élément élastique 11 reçoit les extrémités libres 7a et 8a des branches respectives 7 et 8 du ressort 6, par l'intermédiaire d'un guide 13 de forme essentiellement tubulaire.The elastic element 11 receives the free ends 7a and 8a of the respective branches 7 and 8 of the spring 6, by means of a guide 13 of essentially tubular shape.

Le guide 13 est équipé de deux parois parallèles 14 et 15 munies chacune de deux lumières 16 et 17 dans lesquelles sont susceptibles de coulisser les extrémités libres respectives 7a et 8a du ressort 6.The guide 13 is equipped with two parallel walls 14 and 15 each provided with two slots 16 and 17 in which the respective free ends 7a and 8a of the spring 6 are capable of sliding.

Par ailleurs, entre les parois 14 et 15 sont disposés des galets 18 et 19 montés respectivement libres en rotation sur les branches 7 et 8.Furthermore, between the walls 14 and 15 are disposed rollers 18 and 19 mounted respectively free to rotate on the branches 7 and 8.

Les galets 18 et 19 sont respectivement pourvus de gorges périphériques extérieures 20 et 21 dans lesquelles vient s'engager un bras de liaison 22 susceptible de coulisser entre les branches 7 et 8 du ressort 6 dans un plan PO sensiblement perpendiculaire aux axes de rotation respectifs X et Y des galets 18 et 19.
D'autre part, le guide 13 comporte deux parois parallèles 23 et 24, perpendiculaires aux parois 14 et 15, et munies respectivement d'ouvertures 25 et 26 permettant le passage du bras de liaison 22.The rollers 18 and 19 are respectively provided with external peripheral grooves 20 and 21 in which engages a connecting arm 22 capable of sliding between the branches 7 and 8 of the spring 6 in a plane PO substantially perpendicular to the respective axes of rotation X and Y of the rollers 18 and 19.
On the other hand, the guide 13 has two parallel walls 23 and 24, perpendicular to the walls 14 and 15, and provided respectively with openings 25 and 26 allowing the passage of the link arm 22.

Le deuxième élément élastique 12, quant à lui, est pourvu d'un logement 27 adapté à recevoir la partie de travail 9 du ressort 6.The second elastic element 12, for its part, is provided with a housing 27 adapted to receive the working part 9 of the spring 6.

D'autre part, le deuxième élément élastique 12 comporte une fente 28 débouchant dans le logement 27 et permettant l'insertion de la partie de travail 9.On the other hand, the second elastic element 12 has a slot 28 opening into the housing 27 and allowing the insertion of the working part 9.

Ainsi, on remarquera que les deux éléments élastiques 11 et 12 sont logés dans un boîtier 29 fixé sur le montant 10 par l'intermédiaire d'un moyen de fixation F constitué par deux vis 30 et 31 disposées dans des orifices réalisés dans le montant 10 et coopérant avec deux écrous correspondants, non représentés.Thus, it will be noted that the two elastic elements 11 and 12 are housed in a housing 29 fixed to the upright 10 by means of a fixing means F constituted by two screws 30 and 31 arranged in orifices made in the upright 10 and cooperating with two corresponding nuts, not shown.

Le boîtier 29 comporte d'une part une embase 32, réalisée par exemple en tôle emboutie et plaquée contre une face 10a du montant 10 par l'intermédiaire du système de fixation F, et d'autre part un couvercle 33, pouvant de même être réalisé en tôle emboutie, conformé pour recevoir les éléments élastiques 11 et 12 et pour s'adapter et se fixer sur l'embase 32.The housing 29 comprises on the one hand a base 32, made for example from stamped sheet metal and pressed against a face 10a of the upright 10 via the fixing system F, and on the other hand a cover 33, which can likewise be made of stamped sheet metal, shaped to receive the elastic elements 11 and 12 and to adapt and attach to the base 32.

Ainsi, pour permettre leur solidarisation, l'embase 32 et le couvercle 33 sont équipés d'un moyen de retenue R.Thus, to allow their joining, the base 32 and the cover 33 are equipped with a retaining means R.

Le moyen de retenue R est constitué d'une part, par des languettes plastiquement déformables 32a, 32b, 32c et 32d prévues sur l'embase 32 et venant de matière avec celle-ci, et d'autre part par des languettes plastiquement déformables 33a et 33b formées par des prolongements du couvercle 33 et recouvrant les parties périphériques 32e et 32f de l'embase 32, ces parties périphériques étant déformées pour être éloignées de la face 10a du montant 10 d'une distance supérieure ou égale à l'épaisseur des languettes 33a et 33b.The retaining means R is constituted on the one hand, by plastically deformable tongues 32a, 32b, 32c and 32d provided on the base 32 and coming in one piece with it, and on the other hand by plastically deformable tongues 33a and 33b formed by extensions of the cover 33 and covering the peripheral parts 32e and 32f of the base 32, these peripheral parts being deformed to be distant from the face 10a of the upright 10 by a distance greater than or equal to the thickness of the tongues 33a and 33b.

On précisera ici que le moyen de retenue R peut être constitué par deux rebords, non représentés, semblables en coupe transversale aux pattes 33a et 33b, visibles sur la figure 1, mais s'étendant sur toute la longueur du couvercle 33.It will be specified here that the retaining means R may consist of two flanges, not shown, similar in cross section to the legs 33a and 33b, visible in FIG. 1, but extending over the entire length of the cover 33.

Par ailleurs, et comme il a été représenté sur les figures 1 à 3, les éléments élastiques 11 et 12 peuvent être des éléments monoblocs.Furthermore, and as shown in FIGS. 1 to 3, the elastic elements 11 and 12 can be one-piece elements.

Ainsi, en fixant par exemple par collage les éléments élastiques 11 et 12 sur l'embase 32, il est possible d'éliminer le couvercle 33.Thus, by fixing, for example by gluing, the elastic elements 11 and 12 on the base 32, it is possible to eliminate the cover 33.

Cependant, on équipera de préférence le dispositif d'arrêt en rotation 1 du couvercle 33, constituant, avec l''embase 32, le boîtier 29, afin de protéger le ressort 6, les éléments élastiques 11 et 12 et le guide 13.However, the rotation stop device 1 of the cover 33 will preferably be fitted, constituting, with the base 32, the housing 29, in order to protect the spring 6, the elastic elements 11 and 12 and the guide 13.

De plus, cette disposition permet d'introduire dans le boîtier 29 un élément lubrifiant, tel qu'une graisse à haute viscosité, afin de réaliser un graissage permanent du dispositif et d'assurer un fonctionnement fiable et efficace de celui-ci.In addition, this arrangement makes it possible to introduce into the housing 29 a lubricating element, such as a high viscosity grease, in order to achieve permanent lubrication of the device and to ensure reliable and efficient operation thereof.

Par ailleurs, on précisera que les éléments élastiques 11 et 12, comme il a été représenté sur les figures 3A et 3B peuvent être séparés longitudinalement pour former respectivement deux parties indépendantes 11a, 11b et 12a, 12b les premières parties 12a et 11a étant solidaires de l'embase 32 tandis que les deuxièmes parties 12b et 11b sont solidaires du couvercle 33. Ainsi, cette configuration permet de changer les éléments logés dans le boîtier 29 en démontant le couvercle 33 et les parties 11b, 12b maintenues sur celui-ci, par exemple fixement par collage ou analogue, sans démonter au préalable le système de fixation F.Furthermore, it will be specified that the elastic elements 11 and 12, as shown in FIGS. 3A and 3B can be separated longitudinally to form respectively two independent parts 11a, 11b and 12a, 12b the first parts 12a and 11a being integral with the base 32 while the second parts 12b and 11b are integral with the cover 33. Thus, this configuration makes it possible to change the elements housed in the housing 29 by dismantling the cover 33 and the parts 11b, 12b held thereon, for example fixedly by gluing or the like, without first removing the fixing system F.

La figure 4 représente en perspective le premier mode de réalisation du ressort 6, du type en épingle, dont la partie de travail 9 élastiquement déformable et réalisée sous la forme d'un demi-tore 34 dont les parties extrêmes 34a et 34b sont respectivement reliées aux branches 7 et 8.FIG. 4 shows in perspective the first embodiment of the spring 6, of the pin type, of which the working part 9 is elastically deformable and produced in the form of a half-torus 34, the end parts 34a and 34b of which are respectively connected branches 7 and 8.

En se référant à la figure 5, qui représente un deuxième mode de réalisation du ressort 6, on remarquera que la partie de travail 9 est constituée par une spire 35 dont les parties extrêmes 35a et 35b sont respectivement reliées aux branches 7 et 8.Referring to FIG. 5, which represents a second embodiment of the spring 6, it will be noted that the working part 9 is constituted by a turn 35, the end parts 35a and 35b of which are respectively connected to the branches 7 and 8.

Bien entendu, et dans la mesure où les branches 7 et 8 conservent un écartement approprié, il est possible de disposer plusieurs spires 35 de façon adjacente.Of course, and insofar as the branches 7 and 8 maintain an appropriate spacing, it is possible to have several turns 35 adjacent.

La figure 6 représente un troisième mode de réalisation du ressort 6 similaire au premier mode de réalisation représenté sur la figure 4 mais dans lequel les branches 7 et 8 ont été courbées sensiblement à 90° pour constituer respectivement deux parties de branche 7b, 7c et 8b, 8c.FIG. 6 represents a third embodiment of the spring 6 similar to the first embodiment shown in FIG. 4 but in which the branches 7 and 8 have been curved substantially at 90 ° to constitute respectively two parts of the branch 7b, 7c and 8b , 8c.

Bien entendu, et en se référant à la figure 7 qui représente un quatrième mode de réalisation du ressort 6, on peut combiner les deuxième et troisième modes de réalisation pour obtenir un ressort dont la partie de travail 9 est constituée par une spire 35 et dont les branches 7 et 8 sont respectivement courbées d'un angle sensiblement égal à 90°, la branche 7 étant alors constituée par deux parties de branche 7b et 7c perpendiculaires tandis que la branche 8 est constituée par deux parties de branche 8b et 8c perpendiculaires.Of course, and with reference to FIG. 7 which represents a fourth embodiment of the spring 6, it is possible to combine the second and third embodiments to obtain a spring of which the working part 9 is constituted by a turn 35 and of which the branches 7 and 8 are respectively curved by an angle substantially equal to 90 °, the branch 7 then being formed by two branch parts 7b and 7c perpendicular while the branch 8 is formed by two branch parts 8b and 8c perpendicular.

En se référant à la figure 8 qui représente un cinquième mode de réalisation du ressort 6 selon l'invention, on remarquera qu'il a été prévu deux parties demi-toriques 9a, 9b reliées d'une part respectivement aux branches 7, 8 portant les galets 18, 19, et d'autre part entre elles par une branche 37 parallèle aux deux autres et travaillant en torsion.Referring to Figure 8 which shows a fifth embodiment of the spring 6 according to the invention, it will be noted that two half-toric parts 9a, 9b have been provided connected on the one hand respectively to the branches 7, 8 bearing the rollers 18, 19, and on the other hand by a branch 37 parallel to the other two and working in torsion.

Par ailleurs, et afin de permettre l'engagement du bras de liaison 22 entre les galets 19, 18, le plan P1 formé par les axes géométriques des branches 37 et 8 est décalé d'un angles α approprié par rapport à un plan P2 formé par les axes géométriques des branches 7 et 37.Furthermore, and in order to allow the engagement of the connecting arm 22 between the rollers 19, 18, the plane P1 formed by the geometric axes of the branches 37 and 8 is offset by an appropriate angles α with respect to a plane P2 formed by the geometric axes of the branches 7 and 37.

Ainsi, les cinq modes de réalisation du ressort 6 qui ont été représentés et qui viennent d'être décrits, permettent d'adapter le dispositif d'arrêt en rotation 1 aux contraintes d'encombrement d'un véhicule prédéterminé.Thus, the five embodiments of the spring 6 which have been shown and which have just been described, make it possible to adapt the rotation stop device 1 to the space constraints of a predetermined vehicle.

Le fonctionnement du dispositif est le suivant.The operation of the device is as follows.

Lorsque l'élément articulé 2 ou porte 3 est actionné, par exemple par un passager du véhicule, il pivote par rapport à l'élément support 4 ou carrosserie 5, ce qui fait coulisser le bras de liaison 22 à l'intérieur du ressort 6, au travers des ouvertures longitudinales 25 et 26 du guide 13 et au travers de fentes de passage 11p, 32p, 33p, 10p et 3p réalisées respectivement dans l'élément élastique 11, l'embase 32, le couvercle 33, le montant 10, et la porte 3.When the articulated element 2 or door 3 is actuated, for example by a passenger of the vehicle, it pivots relative to the support element 4 or bodywork 5, which causes the link arm 22 to slide inside the spring 6 , through the longitudinal openings 25 and 26 of the guide 13 and through passage slots 11p, 32p, 33p, 10p and 3p produced respectively in the elastic element 11, the base 32, the cover 33, the upright 10, and door 3.

Lorque les galets 18 et 19 qui sont actionnés en rotation rencontrent des rampes 38 et 39 réalisées respectivement sur les faces 22a et 22b du bras de liaison 22 sur lesquelles roulent les galets tournants 18 et 19, les branches 7 et 8 du ressort 6 sont sollicitées dans des directions opposées.When the rollers 18 and 19 which are actuated in rotation meet ramps 38 and 39 produced respectively on the faces 22a and 22b of the arm of connection 22 on which the rotating rollers 18 and 19 roll, the branches 7 and 8 of the spring 6 are biased in opposite directions.

Après avoir franchi les rampes 38 et 39, les galets 18 et 19 pénètrent dans un premier moyen d'arrêt 40a constitué par des encoches 41 et 42 pratiquées respectivement à proximité des rampes 38 et 39.After having crossed the ramps 38 and 39, the rollers 18 and 19 penetrate into a first stop means 40a constituted by notches 41 and 42 formed respectively near the ramps 38 and 39.

Ainsi, l'élément articulé 2 ou porte 3 est maintenu positivement dans une première position de débattement ou d'arrêt par rapport à l'élément support 4 ou carrosserie 5 du véhicule.Thus, the articulated element 2 or door 3 is held positively in a first travel or stop position relative to the support element 4 or bodywork 5 of the vehicle.

D'autre part, lorsque l'élément articulé 2 est légèrement repoussé par rapport à cette première position d'arrêt, les galets tournants 18 et 19 franchissent des deuxièmes rampes 43 et 44, écartant de nouveau les branches 7 et 8 du ressort 6 jusqu'à ce que les galets tournants 18 et 19 pénètrent respectivement dans des encoches 45 et 46, formant un deuxième moyen d'arrêt 40b, prévues à proximité des rampes respectives 43 et 44.On the other hand, when the articulated element 2 is slightly pushed back with respect to this first stop position, the rotating rollers 18 and 19 pass through second ramps 43 and 44, again spreading the arms 7 and 8 of the spring 6 up to 'in that the rotating rollers 18 and 19 respectively penetrate into notches 45 and 46, forming a second stop means 40b, provided near the respective ramps 43 and 44.

Ainsi, l'élément articulé 2 est maintenu de façon stable dans une deuxième position d'arrêt correspondant à une ouverture ou débattement prédéterminé par rapport à l'élément support 4.Thus, the articulated element 2 is held stably in a second stop position corresponding to a predetermined opening or movement relative to the support element 4.

Par ailleurs, le débattement de l'élément articulé 2 par rapport à l'élément support 4 est limité par l'intermédiaire d'un crochet 47 prévu à l'extrémité libre du bras de liaison 22.Furthermore, the movement of the articulated element 2 relative to the support element 4 is limited by means of a hook 47 provided at the free end of the link arm 22.

Pour ramener l'élément articulé 2 dans sa première position d'arrêt, il suffit de lui appliquer une poussée le dirigeant dans la direction de l'élément support 4, les galets tournants 18 et 19 franchissant des rampes 48 et 49 contiguës aux encoches 45 et 46, pour venir s'introduire dans les encoches 41 et 42.To return the articulated element 2 to its first stop position, it suffices to apply a thrust directing it in the direction of the support element 4, the rotating rollers 18 and 19 crossing ramps 48 and 49 contiguous with the notches 45 and 46, to come into the notches 41 and 42.

D'autre part, l'élément articulé 2 peut être ramené dans sa position initiale, par rapport à l'élément support 4, en lui appliquant une force de poussée supplémentaire, pour permettre aux galets tournants 18 et 19 de franchir des rampes 50 et 51 respectivement contiguës aux encoches 41 et 42.On the other hand, the articulated element 2 can be returned to its initial position, relative to the support element 4, by applying to it an additional pushing force, to allow the rotating rollers 18 and 19 to pass through ramps 50 and 51 respectively adjacent to notches 41 and 42.

Ainsi, grâce à la disposition des éléments élastiques 11 et 12, acoustiquement isolant, entre le montant 10 et le guide tubulaire 13, le dispositif fonctionne de façon extrêmement silencieuse.Thus, thanks to the arrangement of elastic elements 11 and 12, acoustically insulating, between the upright 10 and the tubular guide 13, the device operates in an extremely silent manner.

A titre d'exemple les éléments élastiques 11 et 12 peuvent être réalisés en caoutchouc ou élastomère tel qu'un polyuréthane.By way of example, the elastic elements 11 and 12 can be made of rubber or elastomer such as a polyurethane.

De même, on précisera que bien que le ressort 6 ait été décrit comme étant fixé sur un montant 10 solidaire de l'élément articulé 2, ce ressort peut être fixé sur un montant solidaire de l'élément support 4, le bras de liaison 22 étant alors solidaire de l'élément articulé 2 ou porte 3.Similarly, it will be specified that although the spring 6 has been described as being fixed on an upright 10 secured to the articulated element 2, this spring can be fixed to an upright secured to the support element 4, the link arm 22 then being secured to the articulated element 2 or door 3.

Bien entendu, l'invention n'est nullement limitée aux modes de réalisation décrits et illustrés et qui n'ont été donnés qu'à titre d'exemple.Of course, the invention is in no way limited to the embodiments described and illustrated and which have been given only by way of example.

Au contraire, l'invention comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci sont effectuées suivant son esprit.On the contrary, the invention includes all the technical equivalents of the means described and their combinations if these are carried out according to the spirit.

Claims (6)

1. Dispositif d'arrêt en rotation d'un élément articulé (2), notamment d'une porte (3), sur un élément support (4) ou carrosserie (5) d'un véhicule, et du type comportant un ressort (6) à deux branches (7, 8) qui est fixé sur un montant (10) solidaire de l'un des éléments précités et qui reçoit, par l'intermédiaire de galets (18, 19) montés libres en rotation sur ses branches, un bras de liaison (22) solidaire de l'autre élément et équipé de moyens d'arrêt (40a, 40b) coopérant avec les galets (18, 19) lorsque ce bras (22) coulisse dans ledit ressort (6) dans un plan (PO) sensiblement perpendiculaire à l'axe de rotation des galets, de façon à limiter le débattement de l'élément articulé (2) ou porte (3) par rapport à l'élément support (4) ou carrosserie (5) du véhicule, caractérisé en ce qu'il comporte au moins un élément élastique (11, 12) acoustiquement isolant, disposé entre le montant (10) et un guide tubulaire (13) qui reçoit l'extrémité libre des branches du ressort et les galets montés sur ces branches.1. Device for stopping the rotation of an articulated element (2), in particular of a door (3), on a support element (4) or bodywork (5) of a vehicle, and of the type comprising a spring ( 6) with two branches (7, 8) which is fixed on an upright (10) integral with one of the aforementioned elements and which receives, by means of rollers (18, 19) mounted free in rotation on its branches, a link arm (22) integral with the other element and equipped with stop means (40a, 40b) cooperating with the rollers (18, 19) when this arm (22) slides in said spring (6) in a plane (PO) substantially perpendicular to the axis of rotation of the rollers, so as to limit the movement of the articulated element (2) or door (3) relative to the support element (4) or bodywork (5) of the vehicle , characterized in that it comprises at least one elastic element (11, 12) acoustically insulating, disposed between the upright (10) and a tubular guide (13) which receives the free end of the branches of the spring and the rollers mounted on these branches. 2. Dispositif selon la revendication 1, caractérisé en ce qu'il est muni d'un deuxième élément élastique (12), acoustiquement isolant, qui est solidaire du montant (10) et qui maintient une partie de travail (9) du ressort (6) qui est éloignée de ses extrémités libres (7a, 8a).2. Device according to claim 1, characterized in that it is provided with a second elastic element (12), acoustically insulating, which is integral with the upright (10) and which maintains a working part (9) of the spring ( 6) which is distant from its free ends (7a, 8a). 3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'il comporte une embase (32) fixée sur le montant (10) et maintenant les deux éléments élastiques (11, 12) précités.3. Device according to claim 1 or 2, characterized in that it comprises a base (32) fixed on the upright (10) and now the two elastic elements (11, 12) above. 4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que chaque élément élastique (11, 12) est monobloc.4. Device according to one of claims 1 to 3, characterized in that each elastic element (11, 12) is in one piece. 5. Dispositif selon la revendication 3 ou 4, caractérisé en ce qu'il comporte un couvercle (33) pouvant se fixer sur l'embase (32) précitée, pour constituer avec celle-ci un boîtier (29) emprisonnant chaque élément élastique (11, 12).5. Device according to claim 3 or 4, characterized in that it comprises a cover (33) which can be fixed on the above-mentioned base (32), to constitute therewith a housing (29) trapping each elastic element ( 11, 12). 6. Dispositif selon la revendication 5, caractérisé en ce que chaque élément élastique (11, 12) est réalisé en deux parties indépendantes (11a, 11b ; 12a, 12b), l'une (12a, 11a) des deux parties étant solidaire de l'embase (32) tandis que l'autre (12b, 11b) est solidaire du couvercle (33).6. Device according to claim 5, characterized in that each elastic element (11, 12) is produced in two independent parts (11a, 11b; 12a, 12b), one (12a, 11a) of the two parts being integral with the base (32) while the other (12b, 11b) is integral with the cover (33).
EP19890400992 1988-04-18 1989-04-11 Stop device for a pivoting articulated element Expired - Lifetime EP0338888B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8805098A FR2630155B1 (en) 1988-04-18 1988-04-18 DEVICE FOR ROTATING A ARTICULATED ELEMENT
FR8805098 1988-04-18

Publications (2)

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EP0338888A1 true EP0338888A1 (en) 1989-10-25
EP0338888B1 EP0338888B1 (en) 1992-07-15

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EP19890400992 Expired - Lifetime EP0338888B1 (en) 1988-04-18 1989-04-11 Stop device for a pivoting articulated element

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EP (1) EP0338888B1 (en)
DE (1) DE68902081T2 (en)
ES (1) ES2034669T3 (en)
FR (1) FR2630155B1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380757A2 (en) * 1989-02-01 1990-08-08 ED. Scharwächter GmbH &amp; Co.KG. Spring support for a motor vehicle door check
EP0380756A2 (en) * 1989-01-30 1990-08-08 ED. Scharwächter GmbH &amp; Co.KG. Motor vehicle door check
WO1993017209A1 (en) * 1992-02-20 1993-09-02 Bloxwich Engineering Limited Door checks for vehicles
FR2727154A1 (en) * 1994-11-23 1996-05-24 Gammastamp Spa ELASTIC ELEMENT FOR A VEHICLE DOOR STOPPING DEVICE, AND DOOR STOPPING DEVICE COMPRISING THIS ELASTIC ELEMENT
FR2733533A1 (en) * 1995-04-27 1996-10-31 Coutier Moulage Gen Ind DOOR STOP OR THE LIKE, ESPECIALLY FOR A MOTOR VEHICLE
EP0877137A1 (en) * 1997-05-09 1998-11-11 ISE Innomotive Systems Europe GmbH Vehicle door check
WO2003042477A1 (en) * 2001-11-15 2003-05-22 Ventra Group Inc. Torsion spring door check device
FR2840945A1 (en) * 2002-06-13 2003-12-19 Peugeot Citroen Automobiles Sa Device for preventing rotation of an articulatable element such as a door on a support element or motor vehicle body has retaining wheel rotational axis, connecting arm articulating axis and clevis fixing axis aligned w.r.t each other

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802942A (en) * 2021-09-02 2021-12-17 浙江吉利控股集团有限公司 Car door limiter and car

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217510A1 (en) * 1973-02-13 1974-09-06 Ihw Eng Ltd
FR2378161A1 (en) * 1977-01-24 1978-08-18 Scharwaechter Gmbh Co Kg DOOR STOPS FOR MOTOR VEHICLES

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217510A1 (en) * 1973-02-13 1974-09-06 Ihw Eng Ltd
FR2378161A1 (en) * 1977-01-24 1978-08-18 Scharwaechter Gmbh Co Kg DOOR STOPS FOR MOTOR VEHICLES

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380756B1 (en) * 1989-01-30 1993-09-08 ED. Scharwächter GmbH &amp; Co.KG. Motor vehicle door check
EP0380756A2 (en) * 1989-01-30 1990-08-08 ED. Scharwächter GmbH &amp; Co.KG. Motor vehicle door check
EP0380757B1 (en) * 1989-02-01 1993-06-02 ED. Scharwächter GmbH &amp; Co.KG. Spring support for a motor vehicle door check
EP0380757A2 (en) * 1989-02-01 1990-08-08 ED. Scharwächter GmbH &amp; Co.KG. Spring support for a motor vehicle door check
GB2278399B (en) * 1992-02-20 1995-08-16 Bloxwich Eng Door checks for vehicles
GB2278399A (en) * 1992-02-20 1994-11-30 Bloxwich Eng Door checks for vehicles
WO1993017209A1 (en) * 1992-02-20 1993-09-02 Bloxwich Engineering Limited Door checks for vehicles
FR2727154A1 (en) * 1994-11-23 1996-05-24 Gammastamp Spa ELASTIC ELEMENT FOR A VEHICLE DOOR STOPPING DEVICE, AND DOOR STOPPING DEVICE COMPRISING THIS ELASTIC ELEMENT
FR2733533A1 (en) * 1995-04-27 1996-10-31 Coutier Moulage Gen Ind DOOR STOP OR THE LIKE, ESPECIALLY FOR A MOTOR VEHICLE
ES2153241A1 (en) * 1995-04-27 2001-02-16 Coutier Moulage Gen Ind Door stop esp for motor vehicle
EP0877137A1 (en) * 1997-05-09 1998-11-11 ISE Innomotive Systems Europe GmbH Vehicle door check
WO2003042477A1 (en) * 2001-11-15 2003-05-22 Ventra Group Inc. Torsion spring door check device
FR2840945A1 (en) * 2002-06-13 2003-12-19 Peugeot Citroen Automobiles Sa Device for preventing rotation of an articulatable element such as a door on a support element or motor vehicle body has retaining wheel rotational axis, connecting arm articulating axis and clevis fixing axis aligned w.r.t each other

Also Published As

Publication number Publication date
FR2630155B1 (en) 1990-08-31
ES2034669T3 (en) 1993-04-01
EP0338888B1 (en) 1992-07-15
DE68902081T2 (en) 1993-03-04
DE68902081D1 (en) 1992-08-20
FR2630155A1 (en) 1989-10-20

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