EP2877054B1 - Locking assembly for a safety belt of a motor vehicle - Google Patents

Locking assembly for a safety belt of a motor vehicle Download PDF

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Publication number
EP2877054B1
EP2877054B1 EP13731403.5A EP13731403A EP2877054B1 EP 2877054 B1 EP2877054 B1 EP 2877054B1 EP 13731403 A EP13731403 A EP 13731403A EP 2877054 B1 EP2877054 B1 EP 2877054B1
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EP
European Patent Office
Prior art keywords
locking assembly
framework
docking unit
column
shell
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.)
Not-in-force
Application number
EP13731403.5A
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German (de)
French (fr)
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EP2877054A1 (en
Inventor
Dominique Cabrie
Paulo Francisco
Thierry HODIESNE
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Renault SAS
Original Assignee
Renault SAS
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Publication date
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Publication of EP2877054A1 publication Critical patent/EP2877054A1/en
Application granted granted Critical
Publication of EP2877054B1 publication Critical patent/EP2877054B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A44B11/2507—Safety buckles actuated by a push-button
    • A44B11/2523—Safety buckles actuated by a push-button acting parallel to the main plane of the buckle and in the same direction as the fastening action

Definitions

  • the invention relates to a locking assembly for a motor vehicle safety belt, comprising on the one hand a bolt secured to a strand of said belt, which is adapted to be received in a loop which is integral with an element. body structure and which protrudes substantially at a seat of a vehicle seat, said loop comprising an opening for insertion of the bolt and an internal locking mechanism of said bolt.
  • the implementation of the buckle of the belt is generally performed closer to the seat of the place it is intended to equip; this implementation often poses accessibility problems.
  • the difficulty of accessing the loop is for example linked to the front seats of a vehicle, the proximity of a central console present in most vehicles.
  • This solution is very expensive because it uses an actuator that must withstand the maximum restraining forces, and electronic components for controlling the actuator.
  • the invention overcomes the aforementioned drawbacks by providing a loop that can be moved manually between a high accessibility position and a low locking position.
  • a locking assembly for a seat belt according to the preamble of claim 1.
  • the invention provides a locking assembly of the type described above, having the features of claim 1.
  • the assembly 10 comprises on the one hand a bolt 12 integral with a strand 14 of said belt, which is adapted to be received in a loop 16 which is integral with a body structure element (not shown ), said loop 16 for example protruding substantially at a seat of a seat (not shown) of the vehicle.
  • the loop 16 comprises an opening 18 for introducing the bolt 12 and an internal mechanism 20 for locking said bolt, shown in figures 3 and 4 , which will not be described in more detail later in this description.
  • the implantation of the buckle 16 of the belt is such that it often raises accessibility issues.
  • the buckle can not be permanently arranged in the high position or risk reducing the effectiveness of the holding of the belt.
  • the invention thus proposes a locking assembly 10 comprising an opening 18 which is movable between a high insertion position of the bolt 12 and a low locking position of said bolt.
  • the invention proposes a locking assembly 10 of the type described above, characterized in that the internal locking mechanism 20 is arranged in a lower internal part 22 of the loop 16 and in that the opening 18 of the introduction of the loop 16 is mounted movably between a high insertion position of the bolt 12, shown in FIGS. Figures 1, 2 and 3 , allowing easy access to the opening 18, and a low locking position, shown in FIGS. figures 4 and 5 wherein it accompanies the bolt 12 to the locking mechanism 20 to immobilize said bolt.
  • the loop 16 comprises a frame 24, which is integral with the body structure element and which carries the internal locking mechanism 20.
  • the armature 24 comprises in particular at least one plate 26 which comprises a central portion 28 which is fixed, in particular by riveting, to a tab 30 which is fixed to the body structure element (not shown), in particular by screwing a screw through an eyelet 31 of said tab 30.
  • the loop 16 also includes a fairing 32, which has the opening 18, which is slidably mounted between a high position shown in FIGS. Figures 1 to 3 and a low position relative to the armature 24, as shown in FIGS. figures 4 and 5 .
  • the fairing 32 occupies its high position. Under the effect of pressure from the user, the fairing 32 then descends on the frame 24 to lock the bolt 12 in the internal locking mechanism 20 of the loop 16.
  • brake means 36 to the high position are interposed between the frame 24 and the shroud 32. These means 34 of return and brake 36 will be described in more detail in the following description.
  • the shroud 32 is slidably mounted relative to the armature via at least one telescopic column 38, end segments 40, 42 of which are respectively part of the armature and the shroud.
  • the elastic return means 34 comprise at least one helical compression spring 44 which is interposed between the fairing and the armature.
  • the brake means 36 comprise at least one elastic ring 46 of traction elastomeric material which is fixed to the shroud and the armature and whose stiffness is less than the stiffness of the coil spring 44 compression.
  • brake means 36 could consist of a friction device or a hydraulic damping device type.
  • the fairing 32 consists of the assembly of two shells 48 and 60.
  • a first shell 48 vertically open comprises an upper wall 50 in which is formed the opening 18 and a slot 52 adapted to allow the manipulation of a button 54 for unlocking the internal locking mechanism 20.
  • the first shell 48 comprises a central vertical inner column 56 which extends from the upper transverse wall 50 and which forms an inner guide for the compression coil spring 44.
  • the first shell 48 comprises on either side of a plane "A" of symmetry of said first shell 48, two first intermediate horizontal pins 58 for hooking two elastic traction rings 46, and two transversely vertical inner columns 42. opposed extending from the upper transverse wall and forming first end segments 42 of two opposite telescopic columns 38.
  • the fairing 32 comprises a second shell consisting of a cover 60 closing the first shell 48.
  • the armature 24 for its part is mechanically welded and a central portion 28 of its plate 26 which is fixed to the lug 30, allows the attachment of a tubular sleeve 62 forming an outer guide for the compression coil spring, as shown in FIGS. figures 3 , 4 and 6 .
  • the helical compression spring 44 bears between the upper transverse wall 50 of the first shell 48 and an inner shoulder face 74 formed in the tubular sleeve 62, as shown in FIG. figure 6 .
  • each telescopic column 38 comprises a tubular intermediate segment 76 which receives a vertical internal column 42 of the fairing forming the first end segment of said column and which is received in the end tube 40 of the frame form the second end segment of said telescopic column 38.
  • the stroke of the inner column 42 is limited by a fixed nut 78 placed at the end of the inner column 42 which is adapted to abut against an inner shoulder face 80 of the tubular intermediate segment 76.
  • the stroke of the tubular intermediate segment 76 is limited by an outer shoulder face 82 of the tubular intermediate segment which is adapted to abut against an inner shoulder face 84 of the second end segment 40.
  • the light 52 of the first shell 46 is closed by a flexible membrane 86 which allows the manipulation of the unlocking button 54 of the internal locking mechanism through said membrane 86 when the fairing 32, occupies its lower position, as shown in FIG. figure 4 .
  • the invention therefore makes it easier to fasten a seat belt in a simple and effective manner.

Landscapes

  • Automotive Seat Belt Assembly (AREA)
  • Seats For Vehicles (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

L'invention concerne un ensemble de verrouillage pour une ceinture de sécurité de véhicule automobile, comprenant d'une part un pêne, solidaire d'un brin de ladite ceinture, qui est apte à être reçu dans une boucle qui est solidaire d'un élément de structure de caisse et qui fait saillie sensiblement au niveau d'une assise d'un siège du véhicule, ladite boucle comprenant une ouverture d'introduction du pêne et un mécanisme interne de verrouillage dudit pêne.The invention relates to a locking assembly for a motor vehicle safety belt, comprising on the one hand a bolt secured to a strand of said belt, which is adapted to be received in a loop which is integral with an element. body structure and which protrudes substantially at a seat of a vehicle seat, said loop comprising an opening for insertion of the bolt and an internal locking mechanism of said bolt.

On connaît de nombreux ensembles de verrouillage de ce type.Many lock assemblies of this type are known.

Dans un tel ensemble, l'implantation de la boucle de la ceinture est généralement réalisée au plus près de l'assise de la place qu'elle est destinée à équiper; cette implantation pose souvent des problèmes d'accessibilité.In such an assembly, the implementation of the buckle of the belt is generally performed closer to the seat of the place it is intended to equip; this implementation often poses accessibility problems.

En effet, la difficulté d'accéder à la boucle est par exemple liée, aux places avant d'un véhicule, à la proximité d'une console centrale présente dans la plupart des véhicules.Indeed, the difficulty of accessing the loop is for example linked to the front seats of a vehicle, the proximity of a central console present in most vehicles.

Cette difficulté est souvent aggravée par la présence d'un vêtement ou d'un accessoire tel qu'un sac venant dissimuler la boucle.This difficulty is often aggravated by the presence of a garment or an accessory such as a bag that conceals the buckle.

De même, aux places arrière d'un véhicule, et notamment dans le cas d'une banquette, l'espace limité entre les passagers ne favorise pas le bouclage et peut même entraîner une confusion avec la boucle de la place d'à côté.Similarly, in the rear seats of a vehicle, and particularly in the case of a bench, the limited space between the passengers does not promote looping and may even cause confusion with the loop of the place next door.

C'est notamment le cas lorsque les places sont occupées par des sièges enfants, qui du fait de l'épaisseur supplémentaire de leurs assises, rendent l'ouverture encore plus inaccessible.This is particularly the case when the seats are occupied by child seats, which due to the extra thickness of their seats, make the opening even more inaccessible.

Pour remédier à cet inconvénient, on a proposé une élévation de la hauteur de la boucle. Cette solution améliore le bouclage mais va à l'encontre de l'efficacité de la retenue.To remedy this drawback, it has been proposed to increase the height of the loop. This solution improves loopback but goes against the effectiveness of the restraint.

On a aussi proposé des systèmes d'actionneurs motorisant la boucle pour lui permettre d'occuper des positions variables.It has also been proposed actuator systems motorizing the loop to allow it to occupy variable positions.

Cette solution est très onéreuse car elle met en oeuvre un actionneur qui doit résister aux efforts maximaux de retenue, et des composants électroniques destinés à assurer le pilotage de l'actionneur.This solution is very expensive because it uses an actuator that must withstand the maximum restraining forces, and electronic components for controlling the actuator.

L'invention remédie aux inconvénients précités en proposant une boucle pouvant être déplacée manuellement entre une position haute d'accessibilité et une position basse de verrouillage. On connaît par le document US2010/0314930 un ensemble de verouillage pour une ceinture de sécurité selon le préambule de la revendication 1. Dans ce but, l'invention propose un ensemble de verrouillage du type décrit précédemment, ayant les caractéristiques de la revendication1.The invention overcomes the aforementioned drawbacks by providing a loop that can be moved manually between a high accessibility position and a low locking position. We know from the document US2010 / 0314930 a locking assembly for a seat belt according to the preamble of claim 1. For this purpose, the invention provides a locking assembly of the type described above, having the features of claim 1.

Selon d'autres caractéristiques de l'invention:

  • le carénage est monté coulissant par rapport à l'armature par l'intermédiaire d'au moins une colonne télescopique dont des segments d'extrémité font respectivement partie de l'armature et du carénage,
  • les moyens de rappel élastique comportent au moins un ressort hélicoïdal de compression qui est interposé entre le carénage et l'armature,
  • les moyens de frein comportent au moins un anneau élastique de traction en matériau élastomère qui est fixé au carénage et à l'armature et dont la raideur est inférieure à la raideur du ressort hélicoïdal de compression,
  • le carénage est constitué de de l'assemblage de deux coques :
    • une première coque verticalement ouverte comportant une paroi supérieure dans laquelle est formée l'ouverture et une lumière apte à permettre la manipulation d'un bouton de déverrouillage du mécanisme interne de verrouillage, qui comprend une colonne interne centrale verticale s'étendant à partir de la paroi transversale supérieure et formant un guide interne pour le ressort hélicoïdal de compression, et qui comporte de part et d'autre d'un axe de symétrie de ladite première coque, deux premiers plots intermédiaires horizontales d'accrochage de deux anneaux élastiques de traction, et deux colonnes internes verticales transversalement opposées s'étendant à partir de la paroi transversale supérieure et formant des premier segments d'extrémité de deux colonnes télescopiques opposées, et
    • une seconde coque constituée d'un capot fermant la première coque.
  • l'armature est mécanosoudée et elle comporte au moins une platine qui comprend une partie centrale :
    • qui est fixée, notamment par rivetage, à une patte qui est fixée à l'élément de structure de caisse, notamment par vissage,
    • qui est fixée à un manchon tubulaire formant un guide externe pour le ressort hélicoïdal de compression, et
    • qui comporte de part et d'autre d'un axe médian de symétrie :
      • ∘ deux seconds plots intermédiaires horizontales d'accrochage des deux anneaux élastiques de traction,
      • ∘ deux tubes d'extrémité opposés qui forment des seconds segments d'extrémité des deux colonnes télescopiques opposées.
  • le ressort hélicoïdal de compression est en appui entre la paroi transversale supérieure de la première coque et une face interne d'épaulement formée dans le manchon tubulaire,
  • chaque colonne télescopique comporte un segment intermédiaire tubulaire qui reçoit une colonne interne verticale du carénage formant le premier segment d'extrémité de ladite colonne et qui est reçu dans le tube d'extrémité de l'armature forment le second segment d'extrémité de ladite colonne, la course de la colonne interne étant limitée par un écrou fixe en bout de colonne qui est apte à venir en butée contre une face d'épaulement interne du segment intermédiaire tubulaire, et la course du segment intermédiaire tubulaire étant limitée par une face d'épaulement externe du segment intermédiaire tubulaire qui est apte à venir en butée contre une face d'épaulement interne du second segment d'extrémité,
  • la lumière de la première coque est fermée par une membrane souple qui permet la manipulation du bouton de déverrouillage du mécanisme interne de verrouillage au travers de ladite membrane lorsque le carénage occupe sa position basse.
According to other features of the invention:
  • the fairing is slidably mounted relative to the frame by means of at least one telescopic column whose end segments are part of the armature and the fairing, respectively
  • the elastic return means comprise at least one helical compression spring which is interposed between the fairing and the armature,
  • the brake means comprise at least one elastic traction ring of elastomeric material which is fixed to the fairing and to the armature and whose stiffness is lower than the stiffness of the compression coil spring,
  • the fairing consists of the assembly of two shells:
    • a first vertically open shell having an upper wall in which the aperture is formed and a light adapted to allow the manipulation of an unlocking button of the internal locking mechanism, which comprises a vertical central internal column extending from the upper transverse wall and forming an internal guide for the helical compression spring, and which comprises on either side of an axis of symmetry of said first shell, two first intermediate horizontal studs for hooking two elastic tension rings, and two transversely opposite vertical internal columns extending from the upper transverse wall and forming first end segments of two opposed telescopic columns, and
    • a second shell consisting of a hood closing the first shell.
  • the armature is mechanically welded and it comprises at least one plate which comprises a central part:
    • which is fixed, in particular by riveting, to a tab which is fixed to the body structure element, in particular by screwing,
    • which is attached to a tubular sleeve forming an outer guide for the compression coil spring, and
    • which has on either side of a median axis of symmetry:
      • ∘ two second intermediate horizontal studs for hooking the two elastic tension rings,
      • ∘ two opposite end tubes which form second end segments of the two opposite telescopic columns.
  • the helical compression spring is in abutment between the upper transverse wall of the first shell and an inner shoulder face formed in the tubular sleeve,
  • each telescopic column comprises a tubular intermediate segment which receives a vertical internal column of the fairing forming the first end segment of said column and which is received in the end tube of the armature form the second end segment of said column the stroke of the inner column being limited by a fixed nut at the end of the column which is adapted to abut against an inner shoulder face of the tubular intermediate segment, and the stroke of the tubular intermediate segment being bounded by a face of outer shoulder of the tubular intermediate segment which is adapted to abut against an inner shoulder face of the second end segment,
  • the light of the first shell is closed by a flexible membrane which allows the manipulation of the unlocking button of the internal locking mechanism through said membrane when the fairing occupies its low position.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'une boucle d'un ensemble de verrouillage selon l'invention en position haute ;
  • la figure 2 est une vue en perspective de l'ensemble de verrouillage selon l'invention représenté en position haute ;
  • la figure 3 est une vue en perspective coupée de l'ensemble de verrouillage de la figure 1 en position haute,
  • la figure 4 est une vue en perspective coupée de l'ensemble de verrouillage de la figure 1 en position basse,
  • la figure 5 est une vue en perspective de l'ensemble de verrouillage selon l'invention représenté en position basse ;
  • la figure 6 est une vue en perspective coupée de la boucle ;
  • la figure 7 est une vue en perspective éclatée des deux coques du carénage ;
  • la figure 8 est une vue en perspective éclatée de l'armature.
Other features and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which:
  • the figure 1 is a perspective view of a loop of a locking assembly according to the invention in the high position;
  • the figure 2 is a perspective view of the locking assembly according to the invention shown in the high position;
  • the figure 3 is a cutaway perspective view of the lock assembly of the figure 1 in the high position,
  • the figure 4 is a cutaway perspective view of the lock assembly of the figure 1 in the low position,
  • the figure 5 is a perspective view of the locking assembly according to the invention shown in the lower position;
  • the figure 6 is a cut perspective view of the loop;
  • the figure 7 is an exploded perspective view of the two hulls of the fairing;
  • the figure 8 is an exploded perspective view of the frame.

Sur les figures des chiffres de référence identiques désignent des éléments identiques ou ayant des fonctions similaires.In the figures, identical reference numerals designate elements that are identical or have similar functions.

On a représenté sur la figure 2 un ensemble 10 de verrouillage pour une ceinture de sécurité de véhicule automobile. De manière connue l'ensemble 10 comprend d'une part un pêne 12, solidaire d'un brin 14 de ladite ceinture, qui est apte à être reçu dans une boucle 16 qui est solidaire d'un élément de structure de caisse (non représenté), ladite boucle 16 faisant par exemple saillie sensiblement au niveau d'une assise d'un siège (non représenté) du véhicule.We have shown on the figure 2 a locking assembly 10 for a motor vehicle seat belt. In known manner, the assembly 10 comprises on the one hand a bolt 12 integral with a strand 14 of said belt, which is adapted to be received in a loop 16 which is integral with a body structure element (not shown ), said loop 16 for example protruding substantially at a seat of a seat (not shown) of the vehicle.

De manière connue, la boucle 16 comprend une ouverture 18 d'introduction du pêne 12 et un mécanisme 20 interne de verrouillage dudit pêne, représenté aux figures 3 et 4, qui ne sera pas décrit plus en détail dans la suite de la présente description.In a known manner, the loop 16 comprises an opening 18 for introducing the bolt 12 and an internal mechanism 20 for locking said bolt, shown in figures 3 and 4 , which will not be described in more detail later in this description.

Dans un ensemble 10 conventionnel, l'implantation de la boucle 16 de la ceinture, par exemple au plus près de l'assise de la place à laquelle la ceinture est dédiée, ou au plus près d'une console centrale, est telle qu'elle pose souvent des problèmes d'accessibilité.In a conventional assembly, the implantation of the buckle 16 of the belt, for example closer to the seat of the seat to which the belt is dedicated, or closer to a central console, is such that it often raises accessibility issues.

Par ailleurs, la boucle ne peut être agencée à demeure en position haute sous peine de réduire l'efficacité de la tenue de la ceinture.Moreover, the buckle can not be permanently arranged in the high position or risk reducing the effectiveness of the holding of the belt.

L'invention propose donc un ensemble 10 de verrouillage comportant une ouverture 18 qui est mobile entre une position haute d'introduction du pêne 12 et une position basse de verrouillage dudit pêne.The invention thus proposes a locking assembly 10 comprising an opening 18 which is movable between a high insertion position of the bolt 12 and a low locking position of said bolt.

Dans ce but, l'invention propose un ensemble de verrouillage 10 du type décrit précédemment, caractérisé en ce que le mécanisme interne 20 de verrouillage est agencé dans une partie interne basse 22 de la boucle 16 et en ce que l'ouverture 18 d'introduction de la boucle 16 est montée mobile entre une position haute d'introduction du pêne 12, représentée aux figures 1, 2 et 3, permettant un accès facilité à l'ouverture 18, et une position basse de verrouillage, représentée aux figures 4 et 5 dans laquelle elle accompagne le pêne 12 jusqu'au mécanisme 20 de verrouillage pour immobiliser ledit pêne. Comme l'illustrent les figures 3 et 4 et plus particulièrement la figure 8, la boucle 16 comporte une armature 24, qui est solidaire de l'élément de structure de caisse et qui porte le mécanisme interne 20 de verrouillage.For this purpose, the invention proposes a locking assembly 10 of the type described above, characterized in that the internal locking mechanism 20 is arranged in a lower internal part 22 of the loop 16 and in that the opening 18 of the introduction of the loop 16 is mounted movably between a high insertion position of the bolt 12, shown in FIGS. Figures 1, 2 and 3 , allowing easy access to the opening 18, and a low locking position, shown in FIGS. figures 4 and 5 wherein it accompanies the bolt 12 to the locking mechanism 20 to immobilize said bolt. As illustrated by figures 3 and 4 and more particularly the figure 8 , the loop 16 comprises a frame 24, which is integral with the body structure element and which carries the internal locking mechanism 20.

L'armature 24 comporte notamment au moins une platine 26 qui comprend une partie centrale 28 qui est fixée, notamment par rivetage, à une patte 30 qui est fixée à l'élément de structure de caisse (non représenté), notamment par vissage d'une vis au travers d'un oeillet 31 de ladite patte 30.The armature 24 comprises in particular at least one plate 26 which comprises a central portion 28 which is fixed, in particular by riveting, to a tab 30 which is fixed to the body structure element (not shown), in particular by screwing a screw through an eyelet 31 of said tab 30.

La boucle 16 comporte aussi un carénage 32, qui comporte l'ouverture 18, qui est monté coulissant entre une position haute représentée aux figures 1 à 3 et une position basse par rapport à l'armature 24, comme représenté aux figures 4 et 5.The loop 16 also includes a fairing 32, which has the opening 18, which is slidably mounted between a high position shown in FIGS. Figures 1 to 3 and a low position relative to the armature 24, as shown in FIGS. figures 4 and 5 .

Tant que le pêne 12 n'est pas verrouillé, c'est-à-dire lorsqu'il est simplement reçu dans l'ouverture 18, le carénage 32 occupe sa position haute. Sous l'effet d'une pression de l'utilisateur, le carénage 32 descend alors sur l'armature 24 pour verrouiller le pêne 12 dans le mécanisme interne 20 de verrouillage de la boucle 16.As long as the bolt 12 is not locked, that is to say when it is simply received in the opening 18, the fairing 32 occupies its high position. Under the effect of pressure from the user, the fairing 32 then descends on the frame 24 to lock the bolt 12 in the internal locking mechanism 20 of the loop 16.

Aussi est-il nécessaire d'une part de prévoir un rappel du carénage 32 vers sa position haute pour garantir l'accès de l'ouverture 18 au pêne. Ce rappel est assuré par des moyens 34 de rappel élastique du carénage 32 vers la position haute.Therefore it is necessary firstly to provide a return of the fairing 32 to its upper position to ensure access to the opening 18 to the bolt. This recall is provided by means 34 resilient return of the shroud 32 to the upper position.

Il est aussi nécessaire, lorsque le carénage 32 est rappelé vers sa position haute, d'éviter une remontée trop brutale dudit carénage 32. Aussi des moyens de frein 36 vers la position haute sont interposés entre l'armature 24 et le carénage 32. Ces moyens 34 de rappel et de frein 36 seront décrits plus en détail dans la suite de la présente description.It is also necessary, when the fairing 32 is returned to its upper position, to avoid a too abrupt rise of said fairing 32. Also brake means 36 to the high position are interposed between the frame 24 and the shroud 32. These means 34 of return and brake 36 will be described in more detail in the following description.

Comme l'illustre la figure 6, le carénage 32 est monté coulissant par rapport à l'armature par l'intermédiaire d'au moins une colonne télescopique 38 dont des segments d'extrémité 40, 42 font respectivement partie de l'armature et du carénage.As illustrated by figure 6 , the shroud 32 is slidably mounted relative to the armature via at least one telescopic column 38, end segments 40, 42 of which are respectively part of the armature and the shroud.

Par ailleurs, les moyens 34 de rappel élastique comportent au moins un ressort 44 hélicoïdal de compression qui est interposé entre le carénage et l'armature.Moreover, the elastic return means 34 comprise at least one helical compression spring 44 which is interposed between the fairing and the armature.

Les moyens de frein 36, quant à eux, comportent au moins un anneau élastique 46 de traction en matériau élastomère qui est fixé au carénage et à l'armature et dont la raideur est inférieure à la raideur du ressort hélicoïdal 44 de compression.The brake means 36, in turn, comprise at least one elastic ring 46 of traction elastomeric material which is fixed to the shroud and the armature and whose stiffness is less than the stiffness of the coil spring 44 compression.

Il sera compris que cette configuration n'est pas limitative de l'invention et que les moyens de frein 36 pourraient être constitués d'un dispositif à friction ou d'un dispositif de type amortisseur hydraulique.It will be understood that this configuration is not limiting of the invention and that the brake means 36 could consist of a friction device or a hydraulic damping device type.

Dans le mode de réalisation préféré de l'invention, comme l'illustre la figure 7 le carénage 32 est constitué de l'assemblage de deux coques 48 et 60.In the preferred embodiment of the invention, as illustrated by figure 7 the fairing 32 consists of the assembly of two shells 48 and 60.

Une première coque 48 verticalement ouverte comporte une paroi supérieure 50 dans laquelle est formée l'ouverture 18 et une lumière 52 apte à permettre la manipulation d'un bouton 54 de déverrouillage du mécanisme interne 20 de verrouillage.A first shell 48 vertically open comprises an upper wall 50 in which is formed the opening 18 and a slot 52 adapted to allow the manipulation of a button 54 for unlocking the internal locking mechanism 20.

Comme l'illustre la figure 6, la première coque 48 comprend une colonne 56 interne centrale verticale qui s'étend à partir de la paroi transversale supérieure 50 et qui forme un guide interne pour le ressort hélicoïdal de compression 44.As illustrated by figure 6 the first shell 48 comprises a central vertical inner column 56 which extends from the upper transverse wall 50 and which forms an inner guide for the compression coil spring 44.

La première coque 48 comporte de part et d'autre d'un plan "A" de symétrie de ladite première coque 48, deux premières plots 58 intermédiaires horizontales d'accrochage de deux anneaux 46 élastiques de traction, et deux colonnes internes 42 verticales transversalement opposées s'étendant à partir de la paroi transversale supérieure et formant des premiers segments 42 d'extrémité de deux colonnes télescopiques opposées 38.The first shell 48 comprises on either side of a plane "A" of symmetry of said first shell 48, two first intermediate horizontal pins 58 for hooking two elastic traction rings 46, and two transversely vertical inner columns 42. opposed extending from the upper transverse wall and forming first end segments 42 of two opposite telescopic columns 38.

Il sera compris que l'agencement de deux colonnes télescopiques opposées 38 permet d'assurer un coulissement régulier du carénage 32 par rapport à l'armature 24.It will be understood that the arrangement of two opposite telescopic columns 38 makes it possible to ensure a smooth sliding of the fairing 32 with respect to the frame 24.

Enfin, comme l'illustre la figure 7 le carénage 32 comporte une seconde coque constituée d'un capot 60 fermant la première coque 48.Finally, as illustrated by figure 7 the fairing 32 comprises a second shell consisting of a cover 60 closing the first shell 48.

L'armature 24 pour sa part est mécanosoudée et une partie centrale 28 de sa platine 26 qui est fixée à la patte 30, permet la fixation d'un manchon tubulaire 62 formant un guide externe pour le ressort hélicoïdal de compression, comme représenté aux figures 3, 4 et 6.The armature 24 for its part is mechanically welded and a central portion 28 of its plate 26 which is fixed to the lug 30, allows the attachment of a tubular sleeve 62 forming an outer guide for the compression coil spring, as shown in FIGS. figures 3 , 4 and 6 .

Par ailleurs, comme l'illustrent les figures 6 et 8 la figure 8, la platine 26 comporte de part et d'autre du plan "A" médian de symétrie :

  • deux seconds plots 72 intermédiaires horizontales d'accrochage des deux anneaux élastiques 46 de traction,
  • deux tubes 40 d'extrémité opposés qui forment des seconds segments d'extrémité des deux colonnes télescopiques 38 opposées.
Moreover, as illustrated by figures 6 and 8 the figure 8 , the plate 26 comprises on both sides of the median plane "A" of symmetry:
  • two second intermediate horizontal blocks 72 for hooking the two elastic rings 46 of traction,
  • two opposite end tubes 40 which form second end segments of the two opposite telescopic columns 38.

Dans cette configuration, il sera compris que le ressort 44 hélicoïdal de compression est en appui entre la paroi 50 transversale supérieure de la première coque 48 et une face interne d'épaulement 74 formée dans le manchon tubulaire 62, comme représenté à la figure 6.In this configuration, it will be understood that the helical compression spring 44 bears between the upper transverse wall 50 of the first shell 48 and an inner shoulder face 74 formed in the tubular sleeve 62, as shown in FIG. figure 6 .

Dans le mode de réalisation préféré de l'invention, comme représenté à la figure 6, pour limiter les longueurs de course des colonnes 38, chaque colonne télescopique 38 comporte un segment intermédiaire tubulaire 76 qui reçoit une colonne 42 interne verticale du carénage formant le premier segment d'extrémité de ladite colonne et qui est reçu dans le tube d'extrémité 40 de l'armature forment le second segment d'extrémité de ladite colonne télescopique 38.In the preferred embodiment of the invention, as shown in FIG. figure 6 , to limit the stroke lengths of the columns 38, each telescopic column 38 comprises a tubular intermediate segment 76 which receives a vertical internal column 42 of the fairing forming the first end segment of said column and which is received in the end tube 40 of the frame form the second end segment of said telescopic column 38.

La course de la colonne interne 42 est limitée par un écrou fixe 78 placé en bout de la colonne interne 42 qui est apte à venir en butée contre une face d'épaulement interne 80 du segment intermédiaire tubulaire 76. La course du segment intermédiaire tubulaire 76 est limitée par une face d'épaulement externe 82 du segment intermédiaire tubulaire qui est apte à venir en butée contre une face d'épaulement interne 84 du second segment d'extrémité 40.The stroke of the inner column 42 is limited by a fixed nut 78 placed at the end of the inner column 42 which is adapted to abut against an inner shoulder face 80 of the tubular intermediate segment 76. The stroke of the tubular intermediate segment 76 is limited by an outer shoulder face 82 of the tubular intermediate segment which is adapted to abut against an inner shoulder face 84 of the second end segment 40.

Enfin, on remarquera que par souci d'étanchéité aux poussières et aux corps étrangers, la lumière 52 de la première coque 46 est fermée par une membrane souple 86 qui permet la manipulation du bouton 54 de déverrouillage du mécanisme interne de verrouillage au travers de ladite membrane 86 lorsque le carénage 32, occupe sa position basse, comme représenté à la figure 4.Finally, it will be noted that, for the sake of sealing against dust and foreign bodies, the light 52 of the first shell 46 is closed by a flexible membrane 86 which allows the manipulation of the unlocking button 54 of the internal locking mechanism through said membrane 86 when the fairing 32, occupies its lower position, as shown in FIG. figure 4 .

L'invention permet donc de faciliter le bouclage d'une ceinture de sécurité de manière simple et efficace.The invention therefore makes it easier to fasten a seat belt in a simple and effective manner.

Claims (9)

  1. Locking assembly (10) for a safety belt of a motor vehicle, comprising firstly a catch (12) which is integral with an end (14) of said belt, and can be received in a buckle (16) which is integral with an element with the structure of a case, which projects substantially at the level of a seating part of a seat of the vehicle, said buckle (16) comprising an opening (18) for introduction of the catch and an inner mechanism (20) for locking of said catch (12), which is arranged in a low inner part (22) of the buckle (16), the opening (18) for introduction of the buckle (16) being fitted so as to be mobile between a high position for introduction of the catch (12), permitting facilitated access to the opening (18), and a low, locking position, in which it accompanies the catch (12) as far as the locking mechanism (20), in order to immobilize the catch (12), the buckle (16) comprising:
    - a framework (24), which is integral with the element with the structure of a case, and bears the inner locking mechanism (20);
    - a docking unit (32), which comprises the opening (18), and is mounted so as to slide between a high position and a low position, relative to the framework (24);
    characterized in the buckle also comprises:
    - means (34) for resilient return of the docking unit to the high position, and means (36) for braking towards the high position, which are interposed between the framework (24) and the docking unit (32).
  2. Locking assembly (10) according to the preceding claim, characterized in that the docking unit (32) is fitted so as to slide relative to the framework (24) by means of at least one telescopic column (38), end segments (40, 42) of which form part respectively of the framework (24) and the docking unit (32).
  3. Locking assembly (10) according to either of the preceding claims, characterized in that the resilient return means (34) comprise at least one helical compression spring (44), which is interposed between the docking unit (32) and the framework (24).
  4. Locking assembly (10) according to the preceding claim, characterized in that the braking means (36) comprise at least one resilient traction ring (46) made of elastomeric material which is secured to the docking unit (32) and the framework (24), and the rigidity of which is lower than the rigidity of the helical compression spring (44).
  5. Locking assembly (10) according to the preceding claim, characterized in that the docking unit (32) consists of the assembly of two shells (48, 60):
    - a first shell (48) which is open vertically, comprising an upper wall (50) in which there are formed the opening (18) and an aperture (52) which can permit manipulation of a button (54) for unlocking of the inner locking mechanism (20), comprising a vertical central inner column (56) which extends from the upper transverse wall (50) and forms an inner guide for the helical compression spring (44), and which comprises, on both sides of a plane of symmetry (A) of said first shell (48), two first horizontal intermediate pins (58) for coupling of two resilient traction rings (46), and two transversely opposite vertical inner columns (42) which extend from the upper transverse wall, and form first end segments (42) of two opposite telescopic columns (38); and
    - a second shell consisting of a cover (60) which closes the first shell (48).
  6. Locking assembly (10) according to the preceding claim, characterized in that the framework (24) is mechanically welded and in that it comprises at least one plate (26) which comprises a central part (28) which:
    - is secured, in particular by being riveted, on a lug (30) which is secured on the element with the structure of a case, in particular by being screwed;
    - supports a tubular sleeve (62) integral with an outer guide for the helical compression spring (44); and
    - comprises on both sides of a median plane of symmetry (A):
    • two second horizontal intermediate pins (72) for coupling of the two resilient traction rings (46);
    • two opposite end tubes (40) which form second end segments (40) of the two opposite telescopic columns (38).
  7. Locking assembly (10) according to the preceding claim, characterized in that the helical compression spring (44) is supported between the upper transverse wall (50) of the first shell and an inner shoulder surface (74) formed in the tubular sleeve (62).
  8. Locking assembly (10) according to either of Claims 6 and 7, characterized in that each telescopic column (38) comprises a tubular intermediate segment (76) which receives a vertical inner column (42) of the docking unit (32) which forms the first end segment of said column (38), and is received in the end tube (40) of the framework (24) which forms the second end segment of said column (38), the course of the inner column (42) being limited by a fixed nut (78) on the end of the inner column (42), which can abut an inner shoulder surface (80) of the tubular intermediate segment (67), and the course of the tubular intermediate segment (76) being limited by an outer shoulder surface (82) of the tubular intermediate segment, which can abut an inner shoulder surface (84) of the second end segment (40).
  9. Locking assembly according to one of Claims 5 to 8, characterized in that the aperture (52) in the first shell (46) is closed by a flexible membrane (86) which permits manipulation of the unlocking button (54) of the inner locking mechanism through said membrane (86) when the docking unit (32) is occupying its low position.
EP13731403.5A 2012-07-03 2013-06-10 Locking assembly for a safety belt of a motor vehicle Not-in-force EP2877054B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1256366A FR2992915B1 (en) 2012-07-03 2012-07-03 "LOCKING ASSEMBLY FOR A MOTOR VEHICLE SAFETY BELT"
PCT/FR2013/051332 WO2014016483A1 (en) 2012-07-03 2013-06-10 Locking assembly for a safety belt of a motor vehicle

Publications (2)

Publication Number Publication Date
EP2877054A1 EP2877054A1 (en) 2015-06-03
EP2877054B1 true EP2877054B1 (en) 2018-08-08

Family

ID=47003006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13731403.5A Not-in-force EP2877054B1 (en) 2012-07-03 2013-06-10 Locking assembly for a safety belt of a motor vehicle

Country Status (4)

Country Link
EP (1) EP2877054B1 (en)
CN (1) CN104640469B (en)
FR (1) FR2992915B1 (en)
WO (1) WO2014016483A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180070872A1 (en) 2015-04-27 2018-03-15 The Regents Of The University Of California Neurotherapeutic video game for improving spatiotemporal cognition
CN114945665A (en) 2020-01-15 2022-08-26 丹尼斯科美国公司 Compositions and methods for enhancing protein production in bacillus licheniformis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2140676A1 (en) * 1970-08-17 1972-02-24 Kangol Magnet Ltd., London Lock for seat belts
US5996193A (en) * 1998-06-18 1999-12-07 Breed Automotive Technology, Inc. Buckle for use with a pretensioner
FR2819465B1 (en) * 2001-01-12 2003-03-07 Peugeot Citroen Automobiles Sa SEAT BELT BUCKLE STRAP, ESPECIALLY FOR A MOTOR VEHICLE
US7370393B2 (en) * 2004-09-20 2008-05-13 Delphi Technologies, Inc. Seat belt buckle for use with pretensioner
JP5195662B2 (en) * 2009-06-16 2013-05-08 トヨタ紡織株式会社 Buckle structure of vehicle seat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2014016483A1 (en) 2014-01-30
FR2992915B1 (en) 2015-08-07
FR2992915A1 (en) 2014-01-10
CN104640469B (en) 2017-06-09
CN104640469A (en) 2015-05-20
EP2877054A1 (en) 2015-06-03

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