EP3786406A1 - Buffer with self-adjusting stop - Google Patents

Buffer with self-adjusting stop Download PDF

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Publication number
EP3786406A1
EP3786406A1 EP20184427.1A EP20184427A EP3786406A1 EP 3786406 A1 EP3786406 A1 EP 3786406A1 EP 20184427 A EP20184427 A EP 20184427A EP 3786406 A1 EP3786406 A1 EP 3786406A1
Authority
EP
European Patent Office
Prior art keywords
central body
self
base
locking element
adjusting stopper
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
EP20184427.1A
Other languages
German (de)
French (fr)
Other versions
EP3786406B1 (en
Inventor
Mikael Sicot
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.)
A Raymond SARL
Original Assignee
A Raymond SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A Raymond SARL filed Critical A Raymond SARL
Publication of EP3786406A1 publication Critical patent/EP3786406A1/en
Application granted granted Critical
Publication of EP3786406B1 publication Critical patent/EP3786406B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/022—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks
    • E05F5/025—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks specially adapted for vehicle doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/022—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F7/00—Accessories for wings not provided for in other groups of this subclass
    • E05F7/04—Arrangements affording protection against rattling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/12—Adjustable by manual operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/56—Positioning, e.g. re-positioning, or pre-mounting
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Definitions

  • the present invention belongs to the field of vehicle equipment, in particular closing buffers, and relates more particularly to a self-adjusting stopper intended to hold a first pivoting structure on a second fixed structure such as a motor vehicle frame.
  • the first pivoting structure may be a door, a hatch or a hood, or even a single / double-leaf rear door of a commercial vehicle.
  • a stopper buffer for closing a tailgate typically comprises a stopper fixed to the vehicle body, and a tailgate stopper, these two elements cooperating to hold the tailgate relative to the body when the tailgate is closed.
  • the rag can be equipped with a plurality of buffers.
  • the stop on the fixed structure is provided with a surface serving as an adjustable stop. This type of device is known from the state of the art.
  • British patent GB2410990 discloses a stopper pad comprising a main body, a member sliding in the main body and a latch.
  • the main body and the sliding element are initially fixed on the body.
  • the position of the sliding element is adjusted by closing the movable structure.
  • the locking element is finally inserted into the sliding element to fix the position of the sliding element in the main body after the reopening of the movable structure.
  • the position of the sliding element can be disturbed by various stresses such as the reopening of the mobile structure, the introduction of the locking element. In particular, the latter is carried out by means of an inclined surface. Once locked, there is no possibility of readjusting the device.
  • the present invention aims to remedy these drawbacks, by proposing a self-adjusting stopper pad which allows simple assembly and rapid assembly in a given structure.
  • the present invention relates to a buffer device, or buffer, with a self-adjusting stop, comprising a stamp head having an upper surface serving as a stop, a base comprising a guide profile, and comprising a central body comprising a groove cooperating with said profile, the central body being mounted on the base by a translational movement, in a first direction in a plane of movement, the central body partially receiving the buffer head by a face opposite to that in contact with the 'base, the stamp head being able to move relative to the central body in a third direction substantially perpendicular to the plane of movement, the stamp device further comprising a locking element inserted in the central body, in a second direction substantially perpendicular to the first direction and the third direction, and can be actuated in translation to lock the head in the third direction e buffer in the central body and block in the first direction the central body on the base.
  • the buffer makes it possible to attenuate the noise, in particular when closing a tailgate.
  • the stopper is self-adjusting in order to adjust the buffer during assembly on a structure.
  • the stopper heightening which maintains the mobile structure makes it possible to guarantee tension with the closed mobile structure.
  • the buffer makes it possible to keep the mobile structure radially closed in order to attenuate the noise.
  • the buffer head rises in the central body thanks to slopes located on the locking element.
  • the buffer head rests on the locking element in the locked position so as to prevent unlocking of the locking element during stresses.
  • the invention is advantageously implemented according to the embodiments and the variants set out below, which are to be considered individually or according to any technically operative combination.
  • the upper surface of the stamp head is inclined relative to the plane formed by the first and second directions.
  • the central body can move in the first direction with the locking member in the open position.
  • the stopper pad further comprises means for defining the path of the central body in the first direction.
  • the stopper pad further comprises means for positioning the central body on the base, the locking element being in the open position.
  • means for positioning the central body on the base comprise a rack on the base and a belt comprising a bulge.
  • said guide profile has a T-section.
  • the locking means consist of at least one rack on the T-shaped guide profile and one rack of the locking element .
  • the self-adjusting stopper pad further comprises means for maintaining the position of the head of the pad in the third direction in the open position, preferably, the holding means is a rod elastically linked to the element. lock, so that it rests on the stamp head.
  • the central body and the base are assembled by a snap-fit assembly.
  • the self-adjusting stopper pad further comprises means for returning it to the open position.
  • the self-adjusting stopper pad is not removable in the open position.
  • the stopper according to the invention makes it possible to simplify the process of its assembly between two structures and to reduce the assembly time and the number of parts.
  • top bottom
  • front front
  • rear upper
  • lower lower
  • vertical horizontal
  • the figure 0 illustrates a pivoting structure 200, here a single / double-leaf rear door of a utility vehicle, which closes a fixed structure 300 of the vehicle, in this case the fixed part of the rear trunk of the vehicle.
  • a self-adjusting stopper 100 is mounted on the fixed part of the trunk while that an optional stopper 220 is mounted on the rear door 200.
  • the stopper 220 contacts the buffer head of the device 100 when the rear door is closed.
  • the figure 1A shows a diagram of a self-adjusting stopper pad in the open position.
  • the self-adjusting stopper 100 according to the invention comprises a base 20, a central body 40, a buffer head 60 and a locking element 80.
  • These four components can be produced by molding known plastic material, more particularly technical plastics such as polyamides, acetal resins, thermoplastic polyesters.
  • the expression “open position” of a stopper buffer is understood to mean a position in which the stopper head is adjustable, the locking element being in the open position;
  • the term “locked position” of a stopper pad is understood to mean a position in which the stopper head is locked, the locking element being in the locked position.
  • the central body 40 receiving the buffer head 60 by its upper part and the locking element 80 by its left face can be assembled, by its lower part, to the base 20, by sliding assembly, for example by means of a rail.
  • the base 20 has two grooves 22 along the X axis with an L-shaped cross section, the bottoms of which are respectively facing flanges 24, thus, a central part 26 formed between the two grooves 22 constitutes an essentially T-shaped profile comprising a surface upper 26.
  • the base 20 further comprises two straight racks 30 substantially along the X axis and separated by a central strip 28.
  • a straight rack 32 which extends along the X axis is provided. on which central strip 28.
  • the central body 40 comprises in its lower part means capable of producing a sliding mounting on the base 20.
  • the central body 40 comprises an essentially T-shaped groove cooperating with said essentially T-shaped profile of the base 20.
  • its lower walls 43 can be housed in the L-shaped grooves 22.
  • this arrangement makes it possible to avoid a relative movement between the base 20 and the central body in the direction of the axis.
  • the central body 40 further comprises two grooves 426 capable of receiving the straight racks 30 of the base 20, said grooves 426 being separated by a belt 48.
  • the self-adjusting stopper pad 100 includes a pad head 60 having an upper surface 62 which constitutes the stopper.
  • the stamp head 60 has essentially the shape of a triangular wedge, possibly raised, the triangular section of which is in the XZ plane, the surface 62 being inclined from the rear to the front.
  • the stamp head 60 has a recess 64 which has two straight grooves 642, one facing the other, on the front and rear walls and gives an opening 65 on the right face of the stamp head 60.
  • the grooves straight lines 642 constitute rails with which the opening 65 is able to receive the locking element 80.
  • the central body 40 also has a recess with an opening 44 upwards, this recess being able to at least partially fit the buffer head 60.
  • the central body 40 has, on its right face, a lateral opening 46 adapted to receive the buffer head. locking element 80.
  • the locking element On its front and rear walls, the locking element has, along the Y axis, two grooves 82 respectively delimited by lower flanges 83 and upper flanges 84.
  • the grooves 82 are suitable for receiving the lower edges 644 of the grooves 642. when the locking element itself is received by the stamp head.
  • each groove 22 has a width L1 at its front face and a width L2 at its face. back.
  • the flanges facing the bottoms of the grooves 22 extend along the X axis.
  • the buffer assembly according to the invention is produced as follows: (a) the central body 40 is first mounted on the base 20 by inserting the central body 40 on the T-profile constituting a rail and by sliding it along the X axis; (b) the buffer head 60 is then placed in the central body 40, making sure that their side openings 65 and 46 are on the same side; (c) the locking element is finally introduced by its face into the side opening 46 and also the opening 65.
  • the figures 2A and 2B respectively illustrate a self-adjusting stopper according to the invention in the open position and in the locked position.
  • the self-adjusting stopper according to the invention is preassembled with its components 20, 40, 60 and 80 as described above.
  • the pre-assembled pad, as shown on figure 2A is ready to be mounted on a structure such as a vehicle chassis.
  • the figures 3A and 3B illustrate, respectively, a sectional view of the tampon along section AA 'on the figure 2A where the pad 100 is in the open position and a sectional view of the pad along section BB 'on the figure 2B where the buffer 100 is in the locked position, in the YZ plane.
  • the locking element 80 comprises at least one thrust ramp 86 on its face in contact with the buffer head 60 which comprises, for its part, at least one housing 66 defining a profile identical to the thrust ramp 86, the housing 66 being adapted to receive the thrust ramp 86 in the open position.
  • the housing 66 and the pushing ramp 86 are arranged so that, in the open position, when the locking element 80 is removed from the central body 40, the pushing ramp 86 is blocked by the housing 66 and when the locking element is removed. pushes the locking element 40 towards the central body 40, the thrust ramp 86 exits the housing 66.
  • the thrust ramp 86 has, in the YZ plane, a rectangular trapezoidal section with its long base at the bottom.
  • the pushing ramp exits the housing by means of an inclined surface 862 having the inclined side of the rectangular trapezoid and a cooperating surface 662 of the housing 66, when the locking element is pushed towards the central body 40 by its right end.
  • the translational movement of the thrust ramp 86 relative to the buffer head 60 produces, by a cam effect with the cooperating surface 662 of the housing 66, a translation along the Z axis upwards of the stamp head in the central body 40, causing a relative raising of the stamp head 60 by a height H in the central body 40.
  • Height H corresponds to the thickness of the thrust ramp along the Z axis.
  • the assembly of the locking element and the buffer head is clamped in the locked position so that the unlocking of the locking element cannot be caused by simple stresses, due for example to the vibration of the frame on which the pad is mounted.
  • the locking element 80 comprises a bulge 89 and the central body 40 comprises a bulge 49. Thanks to the elasticity of the material and of the slopes of these bulges 89 and 49, when the locking element 80 passes from the open position to locked position, the bulges 89 and 49 cross over one another and form a socket. Another advantage is to indicate the passage to the locked position of the latch element. This arrangement makes it possible to avoid unlocking by simple solicitations, on the other hand, the passage from the locked position to the open position is possible with a planned release force.
  • the housing 66 has a vertical surface 664 serving as a stopper which makes it possible to prevent the thrust ramp from exiting the housing in the opposite direction.
  • the vertical face 864 of the ramp comes to rest on the vertical surface 664, knowing that the buffer head 60 itself is nested in the central body 40.
  • the figures 3C and 3D illustrate, respectively, the cooperation of the ramp 86 and the housing 66 in detail in the open and locked positions.
  • the section in the YZ plane of the thrust ramp 86 is a right triangle.
  • the thrust ramp comprises a profile which allows several consecutive increases of the stop head.
  • the figure 4A illustrates a bottom view of the tampon head assembly 60, locking member 80, and tampon central body 40 in the open position on the top.
  • the figure 4B illustrates a bottom view of the same pad assembly in the locked position on the figure 2B .
  • the belt 48 of the central body 40 comprises a locking device, on a lower face, for example at least one bulge 482 forming a notch which engages with the second rack 32 provided on the base 20 when the central body is mounted on the latter.
  • this locking device makes it possible to position the central body 40 on the base 20 during the translational movement of the central body 40 relative to the latter, as illustrated in the figures. figures 5 and 5A which will be detailed later. Since the central body 20 can be made of plastic, the belt 48 has a certain elasticity. The bulge 482 therefore does not prevent this relative translational movement. This represents another advantage of the invention which will be detailed later, in particular when mounting the buffer on a frame.
  • the central body 40 comprises a downwardly projecting element 484 serving as a stopper, in one end of the belt 48.
  • said at least one rack 88 of the locking element 20 is exposed to the grooves 426 which receive said racks 30 of the base 20.
  • the whole of the central body, the base and the locking element are arranged in so that the racks 30 and 88 cooperate in the locked position, locking the central body 40 in the X axis.
  • said at least one rack of the locking element may be in the form of contiguous grooves or grooves forming notches.
  • the figure 5 illustrates a sectional view of the pad in the open position along section CC 'on the figure 3A in the XZ plane, from where one can observe a positioning system of the central body on the base 20.
  • the bulge is in the form of a tooth 482 meshing with the rack 30 with projections 32.
  • this positioning means 482 and 30 makes it possible to maintain the position of the central body 40 on the base 20 in the X axis without unwanted displacement, for example, the central body 40 can stably occupy an initial position. after the pad in the open position is mounted on a structure, and a second position after adjustment in which the pad is locked by actuating the locking member 80. So advantageously, this positioning means makes it possible to avoid undesirable movements of the central body 40, for example a translation caused by the force of gravity or else a vibration.
  • the projecting element 484 constituting a first locking mechanism rests on the rear face of the base 20, or its central strip 28 which comprises, where appropriate, a recess 282 capable of receiving the stopper 484.
  • the recess 282 extends along the rack 30, forming a stage. The bulge 482 cannot therefore move beyond the position it occupies on the rack 32 when the stopper 484 comes to rest on the base 20, thus defining a first end of the path of the positioning means 482.
  • the figure 6A illustrates a sectional view of the buffer along the section DD 'in the XZ plane on the figure 2B .
  • the figure 6B illustrates a view of the entire locking element, stamp head, and central body of the stopper stamp in the locked position on the figure 2B .
  • the locking member 80 includes means for retaining the stamp head in the Z axis.
  • the locking member has at least one groove 82 extending along the Y axis, where appropriate, a groove 82 on each of its front and rear faces.
  • the stamp head receives it through its opening 65 with a vertical T-section, the lower edges 644 being received by at least one groove 82.
  • these means make it possible to limit the movement of the stamp head in the Z axis.
  • FIG 7A we observe the stopper according to the invention, seen from below, that the assembly of the central body 40 and the base 20 is also characterized by an elastic fitting.
  • the figure 7B illustrates a second locking mechanism consisting of an element 432 on a lower wall 43 of the central body and a second element 232 in a groove 22 of the base, these two elements being adapted to form a snap-fit assembly.
  • This snap-in makes it possible to define a second end of the path of the positioning means 482 via its blocking role.
  • the first 484 and the second 232, 432 blocking mechanisms delimit the path of the body central 40 on the base 20, thus making the disassembly of these two components 20, 40 impossible.
  • an operator who adjusts the stopper pad in the open position does not risk losing a constituent element.
  • the central body 40 can be introduced, during assembly, only through the face opposite to that which includes the stopper 484.
  • the lower wall 43 of the central body 40 and the groove 24 of the base all have a generally increasing width along the Y axis, respectively, between D1 and D2 (D1 ⁇ D2), and between L1 and L2 (L1 ⁇ L2 ).
  • D1 ⁇ D2 D1 ⁇ D2
  • L1 and L2 L1 ⁇ L2
  • the tampon according to the invention further comprises means making it possible to maintain the position of the tampon head in the central body 40, particularly in the Z axis, even in the open position.
  • the locking element 80 comprises at least one rigid element 85, for example a rod.
  • This retaining element 85 is linked to the latch, for example by means of a torsion spring, so that it rests on the buffer head in order to maintain it in the Z axis, in the open position as in the locked position.
  • these means make it possible to maintain the vertical position of the stamp head, in particular in the open position.
  • the absence of relative movement between components makes it possible to limit their degradation.
  • the following describes the mounting of the buffer according to the invention on a fixed structure, while the pivoting structure is optionally equipped with a stopper.
  • the pre-assembled stopper pad can be mounted on the fixed structure according to the following steps: (i) First, the self-adjusting stopper pad 100 is fixed to the frame in a known manner, for example with usual fastening means. such as screws, anti-creep rings and washers. (ii) the second structure is rotated to adjust the central body 40 in the first direction X with respect to the base 20; - (iii) We reopen the second structure; (iv) The stamp head 60 is raised by pressing the locking element 80 into the central body 40 until it is in the locked position, as illustrated in the figures. figures 2B and 3B , the location 81 being outside the central body 40. (v) The door is closed, a prestress having then been introduced by the effect of the raising of the buffer head 60.
  • the stopper pad device allows simple and rapid assembly, and in particular to reduce the time required to adjust the pad.

Landscapes

  • Vibration Dampers (AREA)
  • Fluid-Damping Devices (AREA)
  • Superstructure Of Vehicle (AREA)
  • Vibration Prevention Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

Dispositif de tampon (100) à butée auto-ajustable, comprenant une tête de tampon (60), une embase (20) comportant un profilé de guidage, et un corps central (40) comportant une rainure coopérant avec ledit profilé, le corps central étant monté sur l'embase par un mouvement de translation, suivant une direction X, le corps central recevant partiellement la tête de tampon. La tête de tampon peut se déplacer par rapport au corps central suivant une direction Z, le dispositif comprend en outre un élément de verrouillage (80) inséré dans le corps central, suivant une direction Y, et actionnable en translation pour bloquer dans la direction Z la tête de tampon dans le corps central et bloquer dans la direction X le corps central sur l'embase. L'élément de verrouillage et la tête de tampon comportent, respectivement, au moins une rampe de poussée (86) et au moins un logement (66) apte à recevoir ladite rampe, ladite rampe et ledit logement étant aptes à, lorsque l'élément de verrouillage est actionné en translation, produire un effet de came et permettre le rehaussement de la tête de tampon. L'élément de verrouillage a une position ouverte, dans le corps central, dans laquelle ladite rampe de poussée est reçue par ledit logement et l'élément de verrouillage peut être enfoncé suivant la direction Y et une position verrouillée, dans laquelle la tête de tampon est bloquée dans la direction Z. L'élément de verrouillage et l'embase comportent des moyens de verrouillage coopérant uniquement dans la position verrouillée pour bloquer le corps central dans la direction X.Buffer device (100) with self-adjusting stopper, comprising a buffer head (60), a base (20) comprising a guide profile, and a central body (40) comprising a groove cooperating with said profile, the central body being mounted on the base by a translational movement in an X direction, the central body partially receiving the stamp head. The buffer head can move relative to the central body in a Z direction, the device further comprises a locking element (80) inserted in the central body, in a Y direction, and operable in translation to lock in the Z direction the buffer head in the central body and block the central body in the X direction on the base. The locking element and the buffer head comprise, respectively, at least one pushing ramp (86) and at least one housing (66) adapted to receive said ramp, said ramp and said housing being suitable for, when the element lock is actuated in translation, produce a cam effect and allow the raising of the stamp head. The locking element has an open position, in the central body, in which said pushing ramp is received by said housing and the locking element can be depressed in the Y direction and a locked position, in which the buffer head is blocked in the Z direction. The locking element and the base include locking means cooperating only in the locked position to block the central body in the X direction.

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention appartient au domaine des équipements de véhicules, notamment des tampons de fermeture, et concerne plus particulièrement un tampon à butée auto-ajustable destiné à maintenir une première structure pivotante sur une deuxième structure fixe telle qu'un châssis de véhicule automobile. Par exemple, la première structure pivotante peut être une portière, un haillon ou un capot, ou encore une porte arrière à simple/double battant d'un véhicule utilitaire.The present invention belongs to the field of vehicle equipment, in particular closing buffers, and relates more particularly to a self-adjusting stopper intended to hold a first pivoting structure on a second fixed structure such as a motor vehicle frame. For example, the first pivoting structure may be a door, a hatch or a hood, or even a single / double-leaf rear door of a commercial vehicle.

Technique antérieurePrior art

Un tampon à butée pour la fermeture d'un haillon comprend typiquement une butée fixée à la caisse de véhicule, et une contrebutée sur haillon, ces deux éléments coopérant pour maintenir le haillon par rapport à la caisse lorsque le haillon est fermé. Le haillon peut être équipé d'une pluralité de tampons. Dans le but de faciliter le montage du tampon notamment d'alignement de ces deux éléments, la butée sur la structure fixe est pourvue une surface servant de butée ajustable. On connaît de l'état de la technique ce type de dispositif.A stopper buffer for closing a tailgate typically comprises a stopper fixed to the vehicle body, and a tailgate stopper, these two elements cooperating to hold the tailgate relative to the body when the tailgate is closed. The rag can be equipped with a plurality of buffers. In order to facilitate the mounting of the buffer, in particular for aligning these two elements, the stop on the fixed structure is provided with a surface serving as an adjustable stop. This type of device is known from the state of the art.

Le brevet britannique GB2410990 décrit un tampon à butée comportant un corps principal, un élément glissant dans le corps principal et un verrou. Pour son montage, le corps principal et l'élément glissant sont fixés dans un premier temps sur la caisse. La position de l'élément glissant est réglée par la fermeture de la structure mobile. L'élément de verrouillage est enfin inséré dans l'élément glissant pour fixer la position de l'élément glissant dans le corps principal après la réouverture de la structure mobile. La position de l'élément glissant peut être perturbée par différentes sollicitations telles que la réouverture de la structure mobile, l'introduction de l'élément de verrouillage. En particulier, cette dernière est réalisée au moyen d'une surface inclinée. Une fois verrouillé, aucune possibilité de réajuster le dispositif n'est prévue.British patent GB2410990 discloses a stopper pad comprising a main body, a member sliding in the main body and a latch. For its assembly, the main body and the sliding element are initially fixed on the body. The position of the sliding element is adjusted by closing the movable structure. The locking element is finally inserted into the sliding element to fix the position of the sliding element in the main body after the reopening of the movable structure. The position of the sliding element can be disturbed by various stresses such as the reopening of the mobile structure, the introduction of the locking element. In particular, the latter is carried out by means of an inclined surface. Once locked, there is no possibility of readjusting the device.

Exposé de l'inventionDisclosure of the invention

La présente invention vise à remédier à ces inconvénients, en proposant un tampon à butée auto-ajustable qui permet un assemblage simple et un montage rapide dans une structure donnée.The present invention aims to remedy these drawbacks, by proposing a self-adjusting stopper pad which allows simple assembly and rapid assembly in a given structure.

À cet effet, la présente invention concerne un dispositif de tampon, ou tampon, à butée auto-ajustable, comprenant une tête de tampon présentant une surface supérieure servant de butée, une embase comportant un profilé de guidage, et comprenant un corps central comportant une rainure coopérant avec ledit profilé, le corps central étant monté sur l'embase par un mouvement de translation, suivant une première direction dans un plan de mouvement, le corps central recevant partiellement la tête de tampon par une face opposée à celle en contact de l'embase, la tête de tampon pouvant se déplacer par rapport au corps central suivant une troisième direction sensiblement perpendiculaire au plan de mouvement, le dispositif de tampon comprenant en outre un élément de verrouillage inséré dans le corps central, suivant une deuxième direction sensiblement perpendiculaire à la première direction et à la troisième direction, et actionnable en translation pour bloquer dans la troisième direction la tête de tampon dans le corps central et bloquer dans la première direction le corps central sur l'embase.To this end, the present invention relates to a buffer device, or buffer, with a self-adjusting stop, comprising a stamp head having an upper surface serving as a stop, a base comprising a guide profile, and comprising a central body comprising a groove cooperating with said profile, the central body being mounted on the base by a translational movement, in a first direction in a plane of movement, the central body partially receiving the buffer head by a face opposite to that in contact with the 'base, the stamp head being able to move relative to the central body in a third direction substantially perpendicular to the plane of movement, the stamp device further comprising a locking element inserted in the central body, in a second direction substantially perpendicular to the first direction and the third direction, and can be actuated in translation to lock the head in the third direction e buffer in the central body and block in the first direction the central body on the base.

Selon un premier aspect de l'invention, le tampon à butée auto-ajustable présente les caractéristiques suivantes :

  • l'élément de verrouillage et la tête de tampon comportent, respectivement, au moins une rampe de poussée et au moins un logement apte à recevoir ladite au moins une rampe, ladite au moins une rampe de poussée et ledit au moins un logement étant aptes à, lorsque l'élément de verrouillage est actionné en translation, produire un effet de came et permettre le rehaussement de la tête de tampon ;
  • l'élément de verrouillage a une position ouverte, dans le corps central, dans laquelle ladite au moins une rampe de poussée est reçue par ledit au moins un logement et l'élément de verrouillage peut être enfoncé suivant la deuxième direction et une position verrouillée, dans laquelle la tête de tampon est bloquée dans la troisième direction ;
  • l'élément de verrouillage et l'embase comportent des moyens de verrouillage qui coopèrent uniquement dans la position verrouillée pour bloquer le corps central dans la première direction.
According to a first aspect of the invention, the self-adjusting stopper has the following characteristics:
  • the locking element and the buffer head comprise, respectively, at least one pushing ramp and at least one housing suitable for receiving said at least one ramp, said at least one pushing ramp and said at least one housing being suitable for , when the locking element is actuated in translation, producing a cam effect and allowing the raising of the buffer head;
  • the locking element has an open position, in the central body, in which said at least one pushing ramp is received by said at least one housing and the locking element can be pushed in in the second direction and a locked position, wherein the stamp head is blocked in the third direction;
  • the locking element and the base comprise locking means which cooperate only in the locked position to lock the central body in the first direction.

Avantageusement, le tampon permet d'atténuer le bruit, notamment lors de la fermeture d'un hayon.Advantageously, the buffer makes it possible to attenuate the noise, in particular when closing a tailgate.

Avantageusement, la butée est auto-ajustable afin d'effectuer un réglage du tampon lors du montage sur une structure.Advantageously, the stopper is self-adjusting in order to adjust the buffer during assembly on a structure.

Avantageusement, lors du verrouillage du tampon à butée après réglage, le rehaussement de butée qui maintient la structure mobile permet de garantir une tension avec la structure mobile fermée.Advantageously, when locking the stopper buffer after adjustment, the stopper heightening which maintains the mobile structure makes it possible to guarantee tension with the closed mobile structure.

Avantageusement, le tampon permet de maintenir radialement la structure mobile fermée afin d'atténuer le bruit.Advantageously, the buffer makes it possible to keep the mobile structure radially closed in order to attenuate the noise.

Avantageusement, la tête de tampon remonte dans le corps central grâce à des pentes situées sur l'élément de verrouillage.Advantageously, the buffer head rises in the central body thanks to slopes located on the locking element.

Avantageusement, la tête de tampon s'appuie sur l'élément de verrouillage en position verrouillée de sorte à éviter le déverrouillage de l'élément de verrouillage lors des sollicitations.Advantageously, the buffer head rests on the locking element in the locked position so as to prevent unlocking of the locking element during stresses.

L'invention est avantageusement mise en œuvre selon les modes de réalisation et les variantes exposées ci-après, lesquelles sont à considérer individuellement ou selon toute combinaison techniquement opérante.The invention is advantageously implemented according to the embodiments and the variants set out below, which are to be considered individually or according to any technically operative combination.

Dans un mode de réalisation, la surface supérieure de la tête de tampon est inclinée par rapport au plan formé par la première et la deuxième directions. Dans un mode de réalisation, le corps central peut se déplacer dans la première direction, l'élément de verrouillage étant en position ouverte.In one embodiment, the upper surface of the stamp head is inclined relative to the plane formed by the first and second directions. In one embodiment, the central body can move in the first direction with the locking member in the open position.

Dans un mode de réalisation, le tampon à butée comporte en outre des moyens pour définir le parcours du corps central dans la première direction.In one embodiment, the stopper pad further comprises means for defining the path of the central body in the first direction.

Dans un mode de réalisation, le tampon à butée comporte en outre des moyens pour positionner le corps central sur l'embase, l'élément de verrouillage étant en position ouverte.In one embodiment, the stopper pad further comprises means for positioning the central body on the base, the locking element being in the open position.

Dans un mode de réalisation, des moyens pour positionner le corps central sur l'embase comportent une crémaillère sur l'embase et une ceinture comportant un renflement.In one embodiment, means for positioning the central body on the base comprise a rack on the base and a belt comprising a bulge.

Dans un mode de réalisation, ledit profilé de guidage présente une section en T. Dans un mode de réalisation, les moyens de verrouillage sont constitués d'au moins une crémaillère sur le profilé de guidage en T et une crémaillère de l'élément de verrouillage.In one embodiment, said guide profile has a T-section. In one embodiment, the locking means consist of at least one rack on the T-shaped guide profile and one rack of the locking element .

Dans un mode de réalisation, le tampon à butée auto-ajustable comporte en outre des moyens pour maintenir la position de la tête du tampon dans la troisième direction en position ouverte, préférentiellement, les moyens de maintien est une tige liée élastiquement à l'élément de verrouillage, de sorte qu'il s'appuie sur la tête de tampon.In one embodiment, the self-adjusting stopper pad further comprises means for maintaining the position of the head of the pad in the third direction in the open position, preferably, the holding means is a rod elastically linked to the element. lock, so that it rests on the stamp head.

Dans un mode de réalisation, le corps central et l'embase sont assemblés par un montage à encliquetage.In one embodiment, the central body and the base are assembled by a snap-fit assembly.

Dans un mode de réalisation, le tampon à butée auto-ajustable comporte en outre des moyens pour le remettre en position ouverte.In one embodiment, the self-adjusting stopper pad further comprises means for returning it to the open position.

Dans un mode de réalisation, le tampon à butée auto-ajustable n'est pas démontable en position ouverte.In one embodiment, the self-adjusting stopper pad is not removable in the open position.

Selon un second aspect, la présente invention concerne un procédé de montage d'un dispositif de tampon selon l'invention sur une première structure pour la séparer d'une deuxième structure mobile. Ce procédé comporte les étapes suivantes :

  • (i) fixer le tampon à butée auto-ajustable en position ouverte sur la première structure ;
  • (ii) tourner la deuxième structure pour ajuster le corps central dans la première direction vis-à-vis de l'embase ;
  • (iii) réouvrir la deuxième structure ;
  • (iv) mettre le dispositif de tampon en position verrouillée en actionnant l'élément de verrouillage.
According to a second aspect, the present invention relates to a method for mounting a stamp device according to the invention on a first structure in order to separate it from a second mobile structure. This process comprises the following steps:
  • (i) securing the self-adjusting stopper pad in the open position on the first structure;
  • (ii) rotating the second structure to adjust the central body in the first direction with respect to the base;
  • (iii) reopen the second structure;
  • (iv) put the buffer device in the locked position by actuating the locking member.

Avantageusement, le tampon à butée selon l'invention permet de simplifier le processus de son montage entre deux structures et de réduire le temps de montage et le nombre de pièces.Advantageously, the stopper according to the invention makes it possible to simplify the process of its assembly between two structures and to reduce the assembly time and the number of parts.

Brève description des figuresBrief description of the figures

D'autres avantages, buts et caractéristiques de la présente invention ressortent de la description qui suit faite, dans un but explicatif et nullement limitatif, en regard des dessins annexés, dans lesquels :

  • La figure 0 représente une vue en coupe d'une partie d'une structure pivotante et d'une structure fixe avec un tampon à butée auto-ajustable selon l'invention ;
  • La figure 1A représente une vue en perspective d'un tampon à butée auto-ajustable selon l'invention ;
  • La figure 1B représente une vue en éclaté d'un tampon à butée auto-ajustable selon l'invention ;
  • La figure 1C représente une illustration schématique d'une embase d'un tampon à butée auto-ajustable selon un mode de réalisation ;
  • La figure 2A représente un schéma de réglage et de verrouillage d'un tampon à butée auto-ajustable préassemblé et en position ouverte ;
  • La figure 2B représente un schéma de réglage et de verrouillage d'un tampon à butée auto-ajustable en position verrouillée ;
  • La figure 3A représente une coupe en perspective du tampon suivant la coupe AA ' sur la figure 2A ;
  • La figure 3B représente une vue en coupe du tampon suivant la coupe BB ' sur la figure 2B ;
  • La figure 3C représente une vue de détail de la rampe de poussée et son logement de la figure 3A ;
  • La figure 3D représente une vue de détail de la rampe de poussée et son logement de la figure 3B ;
  • La figure 4A représente une vue de dessous de l'ensemble de la tête de tampon, le corps central et l'élément de verrouillage du tampon à butée auto-ajustable en position ouverte sur la figure 2A ;
  • La figure 4B représente une vue de dessous de l'ensemble de la tête de tampon, le corps central et l'élément de verrouillage du tampon à butée auto-ajustable en position verrouillée sur la figure 2B ;
  • La figure 5 représente une vue en coupe du tampon suivant la coupe CC ' sur la figure 2A ;
  • La figure 5A représente une vue de détail de la partie A sur la figure 5A ;
  • La figure 5B représente une vue de détail de la partie B sur la figure 5A ;
  • La figure 6A représente une vue en coupe du tampon suivant la coupe DD ' sur la figure 2B ;
  • La figure 6B représente une vue de l'ensemble de la tête de tampon, le corps central et l'élément de verrouillage du tampon à butée auto-ajustable sur la figure 2B ;
  • La figure 7A représente une vue de coupe d'un tampon à butée auto-ajustable en position de déploiement maximum selon un mode de réalisation ;
  • La figure 7B représente une vue de détail de la figure 7A ;
  • La figure 8A représente une vue partielle en coupe du tampon suivant la coupe EE ' sur la figure 2A ;
  • La figure 8B représente une vue partielle en coupe du tampon suivant la coupe FF ' sur la figure 2B.
Other advantages, aims and characteristics of the present invention emerge from the following description given, for explanatory and in no way limiting, with reference to the accompanying drawings, in which:
  • The figure 0 shows a sectional view of part of a pivoting structure and of a fixed structure with a self-adjusting stopper pad according to the invention;
  • The figure 1A shows a perspective view of a self-adjusting stopper according to the invention;
  • The figure 1B shows an exploded view of a self-adjusting stopper according to the invention;
  • The figure 1C shows a schematic illustration of a base of a self-adjusting stopper pad according to one embodiment;
  • The figure 2A shows a diagram of the adjustment and locking of a pre-assembled self-adjusting stopper buffer in the open position;
  • The figure 2B shows a diagram of the adjustment and locking of a self-adjusting stopper pad in the locked position;
  • The figure 3A shows a perspective section of the tampon along section AA 'on the figure 2A ;
  • The figure 3B shows a sectional view of the pad along section BB 'on the figure 2B ;
  • The figure 3C shows a detailed view of the push ramp and its housing of the figure 3A ;
  • The 3d figure shows a detailed view of the push ramp and its housing of the figure 3B ;
  • The figure 4A shows a bottom view of the stamp head assembly, central body and self-adjusting stopper pad locking member in the open position on the figure 2A ;
  • The figure 4B shows a bottom view of the stamp head assembly, central body and self-adjusting stopper pad locking member in the locked position on the figure 2B ;
  • The figure 5 shows a sectional view of the buffer along section CC 'on the figure 2A ;
  • The figure 5A represents a detailed view of part A on the figure 5A ;
  • The figure 5B shows a detailed view of part B on the figure 5A ;
  • The figure 6A shows a sectional view of the buffer along section DD 'on the figure 2B ;
  • The figure 6B shows a view of the entire stamp head, central body, and self-adjusting stopper pad locking member on the figure 2B ;
  • The figure 7A shows a sectional view of a self-adjusting stopper pad in the maximum deployment position according to one embodiment;
  • The figure 7B represents a detailed view of the figure 7A ;
  • The figure 8A shows a partial sectional view of the buffer along section EE 'on the figure 2A ;
  • The figure 8B shows a partial sectional view of the tampon along section FF 'on the figure 2B .

Description des modes de réalisationDescription of the embodiments

Les différentes figures ainsi que les éléments d'une même figure ne sont pas nécessairement représentées à la même échelle. Sur l'ensemble des figures, les éléments identiques portent la même référence numérique.The different figures as well as the elements of the same figure are not necessarily represented on the same scale. In all of the figures, identical elements bear the same reference numeral.

La terminologie employée dans la présente description ne doit en aucun cas être interprétée de manière limitative ou restrictive, simplement parce qu'elle est employée en conjonction avec une description détaillée de certains modes de réalisation de l'invention.The terminology employed in the present description should in no way be interpreted in a limiting or restrictive manner, simply because it is employed in conjunction with a detailed description of certain embodiments of the invention.

Dans toute la description, les termes « haut », « bas », « avant », « arrière », « supérieur », « inférieur », « vertical », « horizontal » ainsi que les termes et expressions qui peuvent leurs être associés ou en être dérivés seront compris, sauf précision ou évidence contraire, comme ayant le sens que leur donnerait un opérateur du dispositif représenté sur la figure 1A. Compte tenu du système d'axes (XYZ) représenté sur cette figure, l'avant et le haut sont situés respectivement suivant les X croissants et les Z croissants.Throughout the description, the terms “top”, “bottom”, “front”, “rear”, “upper”, “lower”, “vertical”, “horizontal” as well as the terms and expressions which may be associated with them or be derived therefrom will be understood, unless otherwise specified or evident, as having the meaning given to them by an operator of the device shown in figure 1A . Taking into account the system of axes (XYZ) represented in this figure, the front and the top are situated respectively along the increasing Xs and the increasing Zs.

La figure 0 illustre une structure pivotante 200, ici une porte arrière à simple/double battant d'un véhicule utilitaire, qui ferme une structure fixe 300 du véhicule, dans le cas présent la partie fixe du coffre arrière du véhicule. Un tampon à butée auto-ajustable 100 est monté sur la partie fixe de coffre tandis qu'une contrebutée 220 optionnelle est montée sur la porte arrière 200. La contrebutée 220 vient en contact avec la tête de tampon du dispositif 100 quand la porte arrière est fermée.The figure 0 illustrates a pivoting structure 200, here a single / double-leaf rear door of a utility vehicle, which closes a fixed structure 300 of the vehicle, in this case the fixed part of the rear trunk of the vehicle. A self-adjusting stopper 100 is mounted on the fixed part of the trunk while that an optional stopper 220 is mounted on the rear door 200. The stopper 220 contacts the buffer head of the device 100 when the rear door is closed.

La figure 1A montre un schéma d'un tampon à butée auto-ajustable en position ouverte. Sur la figure 1A, le tampon à butée auto-ajustable 100 selon l'invention comprend une embase 20, un corps central 40, une tête de tampon 60 et un élément de verrouillage 80.The figure 1A shows a diagram of a self-adjusting stopper pad in the open position. On the figure 1A , the self-adjusting stopper 100 according to the invention comprises a base 20, a central body 40, a buffer head 60 and a locking element 80.

Ces quatre composants peuvent être réalisés par moulage de matière plastique connue, plus particulièrement en plastiques techniques tels que des polyamides, des résines d'acétal, des polyesters thermoplastiques.These four components can be produced by molding known plastic material, more particularly technical plastics such as polyamides, acetal resins, thermoplastic polyesters.

Ainsi, un tel tampon à butée auto-ajustable peut être fabriqué à faible coût.Thus, such a self-adjusting stopper pad can be manufactured at low cost.

Dans la présente description, on entend par « position ouverte » d'un tampon à butée une position dans laquelle la tête de butée est ajustable, l'élément de verrouillage se trouvant dans la position ouverte ; on entend par « position verrouillée » d'un tampon à butée une position dans laquelle la tête à butée est verrouillée, l'élément de verrouillage se trouvant dans la position verrouillée.In the present description, the expression “open position” of a stopper buffer is understood to mean a position in which the stopper head is adjustable, the locking element being in the open position; The term “locked position” of a stopper pad is understood to mean a position in which the stopper head is locked, the locking element being in the locked position.

Le corps central 40 recevant la tête de tampon 60 par sa partie supérieure et l'élément de verrouillage 80 par sa face gauche peut être assemblée, par sa partie inférieure, à l'embase 20, par montage coulissant, par exemple au moyen d'un rail.The central body 40 receiving the buffer head 60 by its upper part and the locking element 80 by its left face can be assembled, by its lower part, to the base 20, by sliding assembly, for example by means of a rail.

Dans le mode de réalisation de la figure 1B, l'embase 20 présente deux rainures 22 suivant l'axe X de section en L dont les fonds sont respectivement en regard de rebords 24, ainsi, une partie centrale 26 formée entre les deux rainures 22 constitue un profilé essentiellement en T comportant une surface supérieure 26. Sur la surface supérieure 26, l'embase 20 comporte en outre deux crémaillères droites 30 substantiellement suivant l'axe X et séparées par une bande centrale 28. Une crémaillère droite 32 qui s'étend suivant l'axe X, se présente sur laquelle bande centrale 28.In the embodiment of the figure 1B , the base 20 has two grooves 22 along the X axis with an L-shaped cross section, the bottoms of which are respectively facing flanges 24, thus, a central part 26 formed between the two grooves 22 constitutes an essentially T-shaped profile comprising a surface upper 26. On the upper surface 26, the base 20 further comprises two straight racks 30 substantially along the X axis and separated by a central strip 28. A straight rack 32 which extends along the X axis is provided. on which central strip 28.

Le corps central 40 comporte dans sa partie inférieure des moyens aptes à réaliser un montage coulissant sur l'embase 20. Dans un mode de réalisation décrit, le corps central 40 comporte une rainure essentiellement en T coopérant avec ledit profilé essentiellement en T de l'embase 20. Lorsque le corps central 40 est montée sur l'embase 20, ses parois inférieures 43 peuvent être logées dans les rainures 22 en L. Avantageusement, cet agencement permet d'éviter un déplacement relatif entre l'embase 20 et le corps central dans la direction de l'axe Z. Le corps central 40 comporte en outre deux rainures 426 aptes à recevoir les crémaillères droites 30 de l'embase 20, lesdites rainures 426 étant séparées par une ceinture 48.The central body 40 comprises in its lower part means capable of producing a sliding mounting on the base 20. In one embodiment described, the central body 40 comprises an essentially T-shaped groove cooperating with said essentially T-shaped profile of the base 20. When the central body 40 is mounted on the base 20, its lower walls 43 can be housed in the L-shaped grooves 22. Advantageously, this arrangement makes it possible to avoid a relative movement between the base 20 and the central body in the direction of the axis. Z. The central body 40 further comprises two grooves 426 capable of receiving the straight racks 30 of the base 20, said grooves 426 being separated by a belt 48.

Sur la figure 1B, le tampon à butée auto-ajustable 100 comporte une tête de tampon 60 présentant une surface supérieure 62 qui constitue la butée. Dans le mode de réalisation illustré, la tête de tampon 60 présente essentiellement la forme d'une cale triangulaire, éventuellement haussée dont la section triangulaire se trouve dans le plan XZ, la surface 62 étant inclinée de l'arrière vers l'avant. La tête de tampon 60 présente un évidement 64 qui comporte deux rainures droites 642, l'une en regard de l'autre, sur les parois avant et arrière et donne une ouverture 65 sur la face droite de la tête de tampon 60. Les rainures droites 642 constituent des rails avec lesquels l'ouverture 65 est apte à recevoir l'élément de verrouillage 80.On the figure 1B , the self-adjusting stopper pad 100 includes a pad head 60 having an upper surface 62 which constitutes the stopper. In the illustrated embodiment, the stamp head 60 has essentially the shape of a triangular wedge, possibly raised, the triangular section of which is in the XZ plane, the surface 62 being inclined from the rear to the front. The stamp head 60 has a recess 64 which has two straight grooves 642, one facing the other, on the front and rear walls and gives an opening 65 on the right face of the stamp head 60. The grooves straight lines 642 constitute rails with which the opening 65 is able to receive the locking element 80.

Le corps central 40 présente également un évidement avec une ouverture 44 vers le haut, cet évidement étant apte à emboiter au moins partiellement la tête de tampon 60. Le corps central 40 présente, sur sa face droite, une ouverture latérale 46 apte à recevoir l'élément de verrouillage 80.The central body 40 also has a recess with an opening 44 upwards, this recess being able to at least partially fit the buffer head 60. The central body 40 has, on its right face, a lateral opening 46 adapted to receive the buffer head. locking element 80.

Sur ses parois avant et arrière, l'élément de verrouillage présente, suivant l'axe Y, deux rainures 82 délimitées respectivement par des rebords inférieurs 83 et des rebords supérieurs 84. Les rainures 82 sont aptes à recevoir les bords inférieurs 644 des rainures 642 lorsque l'élément de verrouillage lui-même est reçu par la tête de tampon.On its front and rear walls, the locking element has, along the Y axis, two grooves 82 respectively delimited by lower flanges 83 and upper flanges 84. The grooves 82 are suitable for receiving the lower edges 644 of the grooves 642. when the locking element itself is received by the stamp head.

Dans le mode de réalisation de la figure 1B, il est également prévu un emplacement 81 à l'extrémité droite de l'élément de verrouillage 80.In the embodiment of the figure 1B , there is also a location 81 at the right end of the locking element 80.

Sur la figure 1C, on observe une embase 20 et des crémaillères droites 30 et 32 essentiellement suivant la direction X sur la face supérieure de l'embase 20. Chaque rainure 22 présente une largeur L1 au niveau de sa face avant et une largeur L2 au niveau de sa face arrière. Les rebords en regard des fonds des rainures 22 s'étendent le long de l'axe X.On the figure 1C , there is a base 20 and straight racks 30 and 32 essentially in the direction X on the upper face of the base 20. Each groove 22 has a width L1 at its front face and a width L2 at its face. back. The flanges facing the bottoms of the grooves 22 extend along the X axis.

Dans un mode de réalisation, l'assemblage de tampon selon l'invention est réalisé de la manière suivante : (a) on monte d'abord le corps central 40 sur l'embase 20 en introduisant le corps central 40 sur le profilé en T constituant un rail et en la faisant glisser suivant l'axe X ; (b) on pose ensuite la tête de tampon 60 dans le corps central 40 en s'assurant que leurs ouvertures latérales 65 et 46 soient du même côté; (c) on introduit finalement l'élément de verrouillage par sa face dans l'ouverture latérale 46 et également l'ouverture 65.In one embodiment, the buffer assembly according to the invention is produced as follows: (a) the central body 40 is first mounted on the base 20 by inserting the central body 40 on the T-profile constituting a rail and by sliding it along the X axis; (b) the buffer head 60 is then placed in the central body 40, making sure that their side openings 65 and 46 are on the same side; (c) the locking element is finally introduced by its face into the side opening 46 and also the opening 65.

Les figures 2A et 2B illustrent respectivement un tampon à butée auto-ajustable selon l'invention en position ouverte et en position verrouillée. Le tampon à butée auto-ajustable selon l'invention est préassemblé avec ses composants 20, 40, 60 et 80 tel que décrit plus haut. Le tampon préassemblé, comme illustré sur la figure 2A, est prêt à être monté sur une structure telle qu'un châssis de véhicule.The figures 2A and 2B respectively illustrate a self-adjusting stopper according to the invention in the open position and in the locked position. The self-adjusting stopper according to the invention is preassembled with its components 20, 40, 60 and 80 as described above. The pre-assembled pad, as shown on figure 2A , is ready to be mounted on a structure such as a vehicle chassis.

Les figures 3A et 3B illustrent, respectivement, une vue en coupe du tampon suivant la coupe AA ' sur la figure 2A où le tampon 100 est en position ouverte et une vue en coupe du tampon suivant la coupe BB ' sur la figure 2B où le tampon 100 est en position verrouillée, dans le plan YZ.The figures 3A and 3B illustrate, respectively, a sectional view of the tampon along section AA 'on the figure 2A where the pad 100 is in the open position and a sectional view of the pad along section BB 'on the figure 2B where the buffer 100 is in the locked position, in the YZ plane.

L'élément de verrouillage 80 comporte au moins une rampe de poussée 86 sur sa face de contact avec la tête de tampon 60 qui comporte, quant à elle, au moins un logement 66 définissant un profil identique à la rampe de poussée 86, le logement 66 étant apte à recevoir la rampe de poussée 86 en position ouverte. Le logement 66 et la rampe de poussée 86 sont agencés de sorte que, en position ouverte, lorsqu'on retire l'élément de verrouillage 80 du corps central 40, la rampe de poussée 86 soit bloquée par le logement 66 et lorsque l'on enfonce l'élément de verrouillage 40 vers le corps central 40, la rampe de poussée 86 sorte du logement 66.The locking element 80 comprises at least one thrust ramp 86 on its face in contact with the buffer head 60 which comprises, for its part, at least one housing 66 defining a profile identical to the thrust ramp 86, the housing 66 being adapted to receive the thrust ramp 86 in the open position. The housing 66 and the pushing ramp 86 are arranged so that, in the open position, when the locking element 80 is removed from the central body 40, the pushing ramp 86 is blocked by the housing 66 and when the locking element is removed. pushes the locking element 40 towards the central body 40, the thrust ramp 86 exits the housing 66.

Dans le mode de réalisation illustré sur les figures 3A et 3B, la rampe de poussée 86 présente, dans le plan YZ, une section en trapèze rectangle avec sa base longue en bas. La rampe de poussée sort du logement au moyen d'une surface inclinée 862 comportant le côté incliné du trapèze rectangle et d'une surface coopérante 662 du logement 66, lorsque l'élément de verrouillage est poussé vers le corps central 40 par son extrémité droite. Simultanément, le mouvement de translation de la rampe de poussée 86 par rapport à la tête de tampon 60 produit, par un effet de came avec la surface coopérante 662 du logement 66, une translation suivant l'axe Z vers le haut de la tête de tampon dans le corps central 40, provoquant une rehausse relative de la tête de tampon 60 d'une hauteur H dans le corps central 40. La hauteur H correspond à l'épaisseur de la rampe de poussée suivant l'axe Z.In the embodiment illustrated in the figures 3A and 3B , the thrust ramp 86 has, in the YZ plane, a rectangular trapezoidal section with its long base at the bottom. The pushing ramp exits the housing by means of an inclined surface 862 having the inclined side of the rectangular trapezoid and a cooperating surface 662 of the housing 66, when the locking element is pushed towards the central body 40 by its right end. . Simultaneously, the translational movement of the thrust ramp 86 relative to the buffer head 60 produces, by a cam effect with the cooperating surface 662 of the housing 66, a translation along the Z axis upwards of the stamp head in the central body 40, causing a relative raising of the stamp head 60 by a height H in the central body 40. Height H corresponds to the thickness of the thrust ramp along the Z axis.

Dans un mode de réalisation, l'assemblage de l'élément de verrouillage et la tête de tampon est serré en position verrouillée de sorte que le déverrouillage de l'élément de verrouillage ne puisse pas être provoqué par simples sollicitations, dues par exemple à la vibration du châssis sur lequel est monté le tampon.In one embodiment, the assembly of the locking element and the buffer head is clamped in the locked position so that the unlocking of the locking element cannot be caused by simple stresses, due for example to the vibration of the frame on which the pad is mounted.

Tel qu'illustré sur les figures 3A et 3B, l'élément de verrouillage 80 comporte un renflement 89 et le corps central 40 comporte un renflement 49. Grâce à l'élasticité du matériau et des pentes de ces renflements 89 et 49, lorsque l'élément de verrouillage 80 passe de position ouverte en position verrouillée, les renflements 89 et 49 franchissent l'un de l'autre et forment une emboîture. Un autre avantage est d'indiquer le passage à la position verrouillée de l'élément de verrou. Cet agencement permet d'éviter le déverrouillage par simples sollicitations, en revanche, le passage de position verrouillée en position ouverte est possible avec un effort de déboîtage prévu.As shown on figures 3A and 3B , the locking element 80 comprises a bulge 89 and the central body 40 comprises a bulge 49. Thanks to the elasticity of the material and of the slopes of these bulges 89 and 49, when the locking element 80 passes from the open position to locked position, the bulges 89 and 49 cross over one another and form a socket. Another advantage is to indicate the passage to the locked position of the latch element. This arrangement makes it possible to avoid unlocking by simple solicitations, on the other hand, the passage from the locked position to the open position is possible with a planned release force.

En revanche, le logement 66 présente une surface verticale 664 servant de butoir qui permet d'empêcher la rampe de poussée de sortir du logement dans le sens opposé. La face verticale 864 de la rampe vient s'appuyer sur la surface verticale 664, sachant que la tête de tampon 60 elle-même est emboîtée dans le corps central 40. Les figures 3C et 3D illustrent, respectivement, la coopération de la rampe 86 et le logement 66 en détail dans les positions ouverte et verrouillée. Dans une variante, la section dans le plan YZ de la rampe de poussée 86 est un triangle rectangle. Dans une autre variante, la rampe de poussée comporte un profil qui permet plusieurs rehausses consécutives de la tête de butée.On the other hand, the housing 66 has a vertical surface 664 serving as a stopper which makes it possible to prevent the thrust ramp from exiting the housing in the opposite direction. The vertical face 864 of the ramp comes to rest on the vertical surface 664, knowing that the buffer head 60 itself is nested in the central body 40. The figures 3C and 3D illustrate, respectively, the cooperation of the ramp 86 and the housing 66 in detail in the open and locked positions. In a variant, the section in the YZ plane of the thrust ramp 86 is a right triangle. In another variant, the thrust ramp comprises a profile which allows several consecutive increases of the stop head.

La figure 4A illustre une vue de dessous de l'ensemble de la tête de tampon 60, l'élément de verrouillage 80 et le corps central 40 du tampon en position ouverte sur la figure 2A ; la figure 4B illustre une vue de dessous du même ensemble du tampon en position verrouillée sur la figure 2B.The figure 4A illustrates a bottom view of the tampon head assembly 60, locking member 80, and tampon central body 40 in the open position on the top. figure 2A ; the figure 4B illustrates a bottom view of the same pad assembly in the locked position on the figure 2B .

Dans le mode de réalisation de la figure 4A, la ceinture 48 du corps central 40 comporte un dispositif de blocage, sur une face inférieure, par exemple au moins un renflement 482 formant un cran qui s'engage avec la deuxième crémaillère 32 prévue sur l'embase 20 lorsque le corps central est monté sur cette dernière. Avantageusement, ce dispositif de blocage permet de positionner le corps central 40 sur l'embase 20 lors du mouvement de translation du corps central 40 relatif à cette dernière, comme illustré sur les figures 5 et 5A qui seront détaillées plus loin. Étant donné que le corps central 20 peut être réalisé en matière plastique, la ceinture 48 présente une certaine élasticité. Le renflement 482 n'empêche donc pas ce mouvement de translation relatif. Ceci représente un autre avantage de l'invention qui sera détaillé plus loin, notamment lors du montage du tampon sur un châssis.In the embodiment of the figure 4A , the belt 48 of the central body 40 comprises a locking device, on a lower face, for example at least one bulge 482 forming a notch which engages with the second rack 32 provided on the base 20 when the central body is mounted on the latter. Advantageously, this locking device makes it possible to position the central body 40 on the base 20 during the translational movement of the central body 40 relative to the latter, as illustrated in the figures. figures 5 and 5A which will be detailed later. Since the central body 20 can be made of plastic, the belt 48 has a certain elasticity. The bulge 482 therefore does not prevent this relative translational movement. This represents another advantage of the invention which will be detailed later, in particular when mounting the buffer on a frame.

Dans un mode de réalisation, le corps central 40 comporte un élément saillant 484 vers le bas servant de butoir, dans une extrémité de la ceinture 48.In one embodiment, the central body 40 comprises a downwardly projecting element 484 serving as a stopper, in one end of the belt 48.

On peut observer sur la figure 4B que ladite au moins une crémaillère 88 de l'élément de verrouillage 20 s'expose aux rainures 426 qui reçoivent lesdites crémaillères 30 de l'embase 20. L'ensemble du corps central, l'embase et l'élément de verrouillage sont agencées de sorte que les crémaillères 30 et 88 coopèrent dans la position verrouillée, en bloquant le corps central 40 dans l'axe X. Plus généralement, ladite au moins une crémaillère de l'élément de verrouillage peut être sous forme de stries ou gorges jointives formant des crans. La figure 5 illustre une vue en coupe du tampon en position ouverte suivant la coupe CC ' sur la figure 3A dans le plan XZ, d'où on peut observer un système de positionnement du corps central sur l'embase 20. Le renflement se présente sous la forme d'une dent 482 s'engrenant avec la crémaillère 30 avec des saillies 32.We can observe on the figure 4B that said at least one rack 88 of the locking element 20 is exposed to the grooves 426 which receive said racks 30 of the base 20. The whole of the central body, the base and the locking element are arranged in so that the racks 30 and 88 cooperate in the locked position, locking the central body 40 in the X axis. More generally, said at least one rack of the locking element may be in the form of contiguous grooves or grooves forming notches. The figure 5 illustrates a sectional view of the pad in the open position along section CC 'on the figure 3A in the XZ plane, from where one can observe a positioning system of the central body on the base 20. The bulge is in the form of a tooth 482 meshing with the rack 30 with projections 32.

De façon avantageuse, ce moyen de positionnement 482 et 30 permet de maintenir la position du corps central 40 sur l'embase 20 dans l'axe X sans déplacement non désiré, par exemple, le corps central 40 peut occuper de façon stable une position initiale après que le tampon en position ouverte soit monté sur une structure, et une deuxième position après réglage dans laquelle le tampon est verrouillé en actionnant l'élément de verrouillage 80. De manière avantageuse, ce moyen de positionnement permet d'éviter des mouvements indésirables du corps central 40, par exemple une translation provoquée par la force de gravité ou encore une vibration.Advantageously, this positioning means 482 and 30 makes it possible to maintain the position of the central body 40 on the base 20 in the X axis without unwanted displacement, for example, the central body 40 can stably occupy an initial position. after the pad in the open position is mounted on a structure, and a second position after adjustment in which the pad is locked by actuating the locking member 80. So advantageously, this positioning means makes it possible to avoid undesirable movements of the central body 40, for example a translation caused by the force of gravity or else a vibration.

Comme illustré sur les figures 5 et 5B, l'élément saillant 484 constituant un premier mécanisme de blocage s'appuie sur la face arrière de l'embase 20, ou sa bande centrale 28 qui comporte, le cas échéant, un évidement 282 apte à recevoir le butoir 484. Dans un mode de réalisation, l'évidement 282 s'étend le long de la crémaillère 30 en formant un étage. Le renflement 482 ne peut donc pas se déplacer au-delà de la position qu'il occupe sur la crémaillère 32 lorsque le butoir 484 vient s'appuyer sur l'embase 20, définissant ainsi une première extrémité du parcours du moyen de positionnement 482.As shown on the figures 5 and 5B , the projecting element 484 constituting a first locking mechanism rests on the rear face of the base 20, or its central strip 28 which comprises, where appropriate, a recess 282 capable of receiving the stopper 484. In one embodiment embodiment, the recess 282 extends along the rack 30, forming a stage. The bulge 482 cannot therefore move beyond the position it occupies on the rack 32 when the stopper 484 comes to rest on the base 20, thus defining a first end of the path of the positioning means 482.

La figure 6A illustre une vue en coupe du tampon suivant la coupe DD ' dans le plan XZ sur la figure 2B . La figure 6B illustre une vue de l'ensemble de l'élément de verrouillage, de la tête de tampon, et du corps central du tampon à butée en position verrouillée sur la figure 2B. L'élément de verrouillage 80 comporte des moyens destinés à retenir la tête de tampon dans l'axe Z. Dans un mode de réalisation, l'élément de verrouillage comporte au moins une rainure 82 s'étendant le long de l'axe Y, le cas échéant, une rainure 82 sur chacune de ses faces avant et arrière. Lorsque l'élément de verrouillage 80 est introduit dans le corps central selon l'invention, la tête de tampon le reçoit par son ouverture 65 avec une section verticale en T, les bords inférieurs 644 étant reçus par au moins une rainure 82. Avantageusement, ces moyens permettent de limiter le déplacement de la tête de tampon dans l'axe Z.The figure 6A illustrates a sectional view of the buffer along the section DD 'in the XZ plane on the figure 2B . The figure 6B illustrates a view of the entire locking element, stamp head, and central body of the stopper stamp in the locked position on the figure 2B . The locking member 80 includes means for retaining the stamp head in the Z axis. In one embodiment, the locking member has at least one groove 82 extending along the Y axis, where appropriate, a groove 82 on each of its front and rear faces. When the locking element 80 is introduced into the central body according to the invention, the stamp head receives it through its opening 65 with a vertical T-section, the lower edges 644 being received by at least one groove 82. Advantageously, these means make it possible to limit the movement of the stamp head in the Z axis.

Sur la figure 7A, on observe le tampon à butée selon l'invention, vu du dessous, que l'assemblage du corps central 40 et l'embase 20 est caractérisé également par un emboîtage élastique. La figure 7B illustre un deuxième mécanisme de blocage constitué d'un élément 432 sur une paroi inférieure 43 du corps central et d'un deuxième élément 232 dans une rainure 22 de l'embase, ces deux éléments étant adaptés à former un montage à encliquetage. Cet encliquetage permet de définir une deuxième extrémité du parcours du moyen de positionnement 482 via son rôle de blocage. Avantageusement, le premier 484 et le deuxième 232, 432 mécanismes de blocage délimitent le parcours du corps central 40 sur l'embase 20, rendant ainsi le désassemblage de ces deux composants 20, 40 impossible. En combinaison avec d'autres différents dispositifs décrits plus haut, il est impossible de désassembler le tampon à butée selon l'invention sans que les composants soient détériorés. Avantageusement, un opérateur qui ajuste le tampon à butée en position ouverte ne risque pas d'égarer un élément constituant.On the figure 7A , we observe the stopper according to the invention, seen from below, that the assembly of the central body 40 and the base 20 is also characterized by an elastic fitting. The figure 7B illustrates a second locking mechanism consisting of an element 432 on a lower wall 43 of the central body and a second element 232 in a groove 22 of the base, these two elements being adapted to form a snap-fit assembly. This snap-in makes it possible to define a second end of the path of the positioning means 482 via its blocking role. Advantageously, the first 484 and the second 232, 432 blocking mechanisms delimit the path of the body central 40 on the base 20, thus making the disassembly of these two components 20, 40 impossible. In combination with other different devices described above, it is impossible to disassemble the stopper according to the invention without the components being damaged. Advantageously, an operator who adjusts the stopper pad in the open position does not risk losing a constituent element.

Dans des modes de réalisation, le corps central 40 peut être introduit, lors de l'assemblage, uniquement par la face opposée à celle qui comprend le butoir 484.In some embodiments, the central body 40 can be introduced, during assembly, only through the face opposite to that which includes the stopper 484.

En référence au mode de réalisation des figures 4B et 1C, la paroi inférieure 43 du corps central 40 et la rainure 24 de l'embase présentent toutes une largeur globalement croissante suivant l'axe Y, respectivement, entre D1 et D2 (D1 < D2), et entre L1 et L2 (L1 < L2). Ces valeurs sont choisies de sorte que le corps central puisse être monté sur l'embase uniquement par la coopération de deux faces définies du corps central dans une autre face de l'embase. Avantageusement, cette disposition permet, par exemple, à un opérateur d'éviter les erreurs d'assemblage.With reference to the embodiment of figures 4B and 1 C , the lower wall 43 of the central body 40 and the groove 24 of the base all have a generally increasing width along the Y axis, respectively, between D1 and D2 (D1 <D2), and between L1 and L2 (L1 <L2 ). These values are chosen so that the central body can be mounted on the base only by the cooperation of two defined faces of the central body in another face of the base. Advantageously, this arrangement allows, for example, an operator to avoid assembly errors.

Le tampon selon l'invention comporte en outre des moyens permettant de maintenir la position de la tête de tampon dans le corps central 40, particulièrement dans l'axe Z, même en position ouverte. On le détaillera par la suite à l'aide des figures 8A et 8B qui illustrent, respectivement, une vue partielle en coupe du tampon en position ouverte suivant la coupe EE ' sur la figure 2A et une vue partielle en coupe du tampon en position verrouillée suivant la coupe FF ' sur la figure 2B, dans le plan YZ. L'élément de verrouillage 80 comprend au moins un élément rigide 85, par exemple une tige. Cet élément de maintien 85 est lié au verrou, par exemple au moyen d'un ressort de torsion, de sorte qu'il s'appuie sur la tête de tampon afin de la maintenir dans l'axe Z, dans la position ouverte comme dans la position verrouillée. Avantageusement, ces moyens permettent de maintenir la position verticale de la tête de tampon notamment en position ouverte. Par exemple, pendant le cheminement et/ou la manutention du tampon selon l'invention, l'absence du déplacement relatif entre des composants permet de limiter leur dégradation.The tampon according to the invention further comprises means making it possible to maintain the position of the tampon head in the central body 40, particularly in the Z axis, even in the open position. We will detail it later using the figures 8A and 8B which illustrate, respectively, a partial sectional view of the plug in the open position along section EE 'on the figure 2A and a partial sectional view of the tampon in the locked position along section FF 'on the figure 2B , in the YZ plane. The locking element 80 comprises at least one rigid element 85, for example a rod. This retaining element 85 is linked to the latch, for example by means of a torsion spring, so that it rests on the buffer head in order to maintain it in the Z axis, in the open position as in the locked position. Advantageously, these means make it possible to maintain the vertical position of the stamp head, in particular in the open position. For example, during the movement and / or handling of the tampon according to the invention, the absence of relative movement between components makes it possible to limit their degradation.

Dans la suite est décrit le montage du tampon selon l'invention sur une structure fixe, alors que la structure pivotante est optionnellement équipée d'une contrebutée. Le tampon à butée préassemblé peut être monté sur la structure fixe selon les étapes suivantes : (i) On fixe d'abord le tampon à butée auto-ajustable 100 sur le châssis d'une manière connue, par exemple avec des moyens de fixations usuels tels que des vis, des bagues anti-fluage et des rondelles. (ii) On tourne la deuxième structure pour ajuster le corps central 40 dans la première direction X vis-à-vis de l'embase 20 ; - (iii) On réouvre la deuxième structure ; (iv) On rehausse la tête de tampon 60 en enfonçant l'élément de verrouillage 80 dans le corps central 40 jusqu'à ce qu'il se trouve dans la position verrouillée, comme illustré sur les figures 2B et 3B, l'emplacement 81 se trouvant en dehors du corps central 40. (v) On referme la porte, une précontrainte ayant alors été introduite par l'effet de la rehausse de la tête de tampon 60.The following describes the mounting of the buffer according to the invention on a fixed structure, while the pivoting structure is optionally equipped with a stopper. The pre-assembled stopper pad can be mounted on the fixed structure according to the following steps: (i) First, the self-adjusting stopper pad 100 is fixed to the frame in a known manner, for example with usual fastening means. such as screws, anti-creep rings and washers. (ii) the second structure is rotated to adjust the central body 40 in the first direction X with respect to the base 20; - (iii) We reopen the second structure; (iv) The stamp head 60 is raised by pressing the locking element 80 into the central body 40 until it is in the locked position, as illustrated in the figures. figures 2B and 3B , the location 81 being outside the central body 40. (v) The door is closed, a prestress having then been introduced by the effect of the raising of the buffer head 60.

Il est possible remettre le tampon à butée en position ouverte en posant un outil tel qu'un tournevis ou un outil dédié dans l'emplacement 81 et en le tirant vers l'extérieur jusqu'à ce que le tampon retrouve sa position ouverte dans laquelle le tampon est prêt à s'ajuster selon les étapes (ii)(iii)(iv) et (v) susmentionnées.It is possible to return the stopper pad to the open position by placing a tool such as a screwdriver or a dedicated tool in slot 81 and pulling it outwards until the pad returns to its open position in which the tampon is ready to adjust according to steps (ii) (iii) (iv) and (v) above.

Le dispositif de tampon à butée selon l'invention permet un montage simple et rapide, et notamment de réduire le temps nécessaire pour effectuer le réglage du tampon. LISTE DES SIGNES DE RÉFÉRENCE Références Désignations 100 tampon à butée auto-ajustable 20 embase 22 rainure 232 élément d'encliquetage 24 rainure 26 profilé de guidage 28 bande centrale 282 évidement 30 crémaillère 32 crémaillère 40 corps central 42 évidement 426 rainure 43 paroi inférieure 432 élément d'encliquetage 44 ouverture 46 ouverture latérale 48 ceinture 49 renflement 482 renflement 484 élément saillant 60 tête de tampon 62 face supérieure 64 évidement 642 rainure 644 bord inférieur 65 ouverture latérale 66 logement 662 surface 664 surface verticale 80 élément de verrouillage 81 emplacement 82 rainure 83 rebord inférieur 84 rebord supérieur 85 élément de maintien 86 rampe de poussée 88 crémaillère 89 renflement 862 surface inclinée 864 surface verticale The stopper pad device according to the invention allows simple and rapid assembly, and in particular to reduce the time required to adjust the pad. <b> LIST OF REFERENCE SIGNS </b> References Designations 100 self-adjusting stopper pad 20 base 22 groove 232 snap-in element 24 groove 26 guide profile 28 central band 282 obviously 30 rack 32 rack 40 central body 42 obviously 426 groove 43 bottom wall 432 snap-in element 44 opening 46 side opening 48 belt 49 bulge 482 bulge 484 salient element 60 buffer head 62 upper face 64 obviously 642 groove 644 lower edge 65 side opening 66 housing 662 area 664 vertical surface 80 locking element 81 location 82 groove 83 lower edge 84 top rim 85 holding element 86 push ramp 88 rack 89 bulge 862 inclined surface 864 vertical surface

Claims (17)

Dispositif de tampon (100) à butée auto-ajustable, comprenant une tête de tampon (60) présentant une surface supérieure (62) servant de butée, une embase (20) comportant un profilé de guidage (26), et comprenant un corps central (40) comportant une rainure coopérant avec ledit profilé, le corps central (40) étant monté sur l'embase (20) par un mouvement de translation, suivant une première direction (X) dans un plan de mouvement, le corps central (40) recevant au moins partiellement la tête de tampon (60) par une face opposée à celle en contact de l'embase (20), caractérisé en ce que la tête de tampon (60) peut se déplacer par rapport au corps central (40) suivant une troisième direction (Z) perpendiculaire au plan de mouvement, et en ce que le dispositif de tampon comprenant en outre un élément de verrouillage (80) inséré dans le corps central (40), suivant une deuxième direction (Y) perpendiculaire à la première et la troisième directions, et actionnable en translation pour bloquer dans la troisième direction (Z) la tête de tampon (60) dans le corps central (40) et bloquer dans la première direction (X) le corps central (40) sur l'embase (20).Self-adjusting stopper device (100) comprising a stamp head (60) having an upper surface (62) serving as a stopper, a base (20) having a guide profile (26), and including a central body (40) comprising a groove cooperating with said section, the central body (40) being mounted on the base (20) by a translational movement, in a first direction (X) in a plane of movement, the central body (40) ) receiving at least partially the stamp head (60) by a face opposite to that in contact with the base (20), characterized in that the stamp head (60) can move relative to the central body (40) in a third direction (Z) perpendicular to the plane of movement, and in that the buffer device further comprising a locking element (80) inserted in the central body (40), in a second direction (Y) perpendicular to the first and third directions, and operable in translation to block d in the third direction (Z) the buffer head (60) in the central body (40) and block in the first direction (X) the central body (40) on the base (20). Dispositif de tampon (100) à butée auto-ajustable selon la revendication 1, dans lequel l'élément de verrouillage (80) et la tête de tampon (60) comportent, respectivement, au moins une rampe de poussée (86) et au moins un logement (66) apte à recevoir ladite au moins une rampe, ladite au moins une rampe de poussée (86) et ledit au moins un logement (66) étant aptes à, lorsque l'élément de verrouillage est actionné en translation, produire un effet de came et permettre le rehaussement de la tête de tampon (60).A self-adjusting stopper stamp device (100) according to claim 1, wherein the locking member (80) and the stamp head (60) comprise, respectively, at least one pushing ramp (86) and at least a housing (66) adapted to receive said at least one ramp, said at least one pushing ramp (86) and said at least one housing (66) being adapted to, when the locking element is actuated in translation, produce a cam effect and allow the raising of the stamp head (60). Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel l'élément de verrouillage a une position ouverte, dans le corps central (40), dans laquelle ladite au moins une rampe de poussée (86) est reçue par ledit au moins un logement (66) et l'élément de verrouillage (80) peut être enfoncé suivant la deuxième direction et une position verrouillée, dans laquelle la tête de tampon est bloquée dans la troisième direction.A self-adjusting stopper buffer device (100) according to one of the preceding claims, in which the locking element has an open position, in the central body (40), in which said at least one pushing ramp (86) is received by said at least one housing (66) and the locking member (80) can be depressed in the second direction and a locked position, in which the stamp head is locked in the third direction. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel l'élément de verrouillage (80) et l'embase (20) comportent des moyens de verrouillage (30, 88) qui coopèrent uniquement dans la position verrouillée pour bloquer le corps central (40) dans la première direction.Self-adjusting stopper buffer device (100) according to one of the preceding claims, in which the locking element (80) and the base (20) comprise locking means (30, 88) which cooperate only in the position locked to lock the central body (40) in the first direction. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel le corps central (40) peut se déplacer dans la première direction, l'élément de verrouillage étant en position ouverte.A self-adjusting stopper buffer device (100) according to one of the preceding claims, wherein the central body (40) is movable in the first direction with the locking member in the open position. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel il comporte des moyens (484) pour définir le parcours du corps central (40) dans la première direction, de préférence un élément saillant (484) servant de butoir.A self-adjusting stopper buffer device (100) according to one of the preceding claims, in which it comprises means (484) for defining the path of the central body (40) in the first direction, preferably a projecting member (484) serving stopper. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel il comporte des moyens (32, 482) pour positionner ledit corps central (40) sur ladite embase (20), l'élément de verrouillage étant en position ouverte.Self-adjusting stopper buffer device (100) according to one of the preceding claims, in which it comprises means (32, 482) for positioning said central body (40) on said base (20), the locking element being in position. open position. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel lesdits moyens pour positionner ledit corps central (40) sur ladite embase (20) comportent une crémaillère (32) sur l'embase (20) et une ceinture (48) comportant un renflement (482).A self-adjusting stopper buffer device (100) according to one of the preceding claims, wherein said means for positioning said central body (40) on said base (20) comprises a rack (32) on the base (20) and a belt (48) comprising a bulge (482). Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel ledit profilé de guidage (26) est de section en T.Self-adjusting stopper buffer device (100) according to one of the preceding claims, wherein said guide profile (26) is of T-section. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel lesdits moyens de verrouillage sont constitués d'au moins une crémaillère (30) sur ledit profilé de guidage en T et d'au moins une crémaillère (88) de l'élément de verrouillage (80).Self-adjusting stopper buffer device (100) according to one of the preceding claims, wherein said locking means consist of at least one rack (30) on said T-guide profile and at least one rack (88 ) of the locking element (80). Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel il comporte des moyens de maintien (85) pour maintenir en position la tête du tampon (60) dans la troisième direction en position ouverte.A self-adjusting stopper device (100) according to one of the preceding claims, in which it comprises holding means (85) for maintaining the head of the tampon (60) in position in the third direction in the open position. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel les moyens de maintien est une tige (85) liée élastiquement à l'élément de verrouillage et s'appuyant sur la tête de tampon.A self-adjusting stopper tampon device (100) according to one of the preceding claims, wherein the retaining means is a rod (85) resiliently connected to the locking member and resting on the tampon head. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel le corps central (40) et l'embase (2) sont assemblés par montage à encliquetage.Self-adjusting stopper buffer device (100) according to one of the preceding claims, in which the central body (40) and the base (2) are assembled by snap-fitting. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, dans lequel il comporte des moyens (81) pour le remettre en position ouverte.Self-adjusting stopper device (100) according to one of the preceding claims, in which it comprises means (81) for returning it to the open position. Dispositif de tampon (100) à butée auto-ajustable selon une des revendications précédentes, caractérisé en ce qu'il n'est pas démontable en position ouverte.Self-adjusting stopper device (100) according to one of the preceding claims, characterized in that it is not removable in the open position. Procédé de montage d'un dispositif de tampon selon une des revendications 1 à 15 sur une première structure pour la séparer d'une deuxième structure pivotante, caractérisé en ce qu'il comporte les étapes suivantes : - (i) fixer le tampon à butée auto-ajustable (100) en position ouverte sur la première structure ; - (ii) tourner la deuxième structure pour ajuster le corps central (40) dans la première direction (X) vis-à-vis de l'embase (20); - (iii) réouvrir la deuxième structure ; - (iv) mettre le dispositif de tampon en position verrouillée en actionnant l'élément de verrouillage (80). Method of mounting a stamp device according to one of claims 1 to 15 on a first structure to separate it from a second pivoting structure, characterized in that it comprises the following steps: - (i) fixing the self-adjusting stopper (100) in the open position on the first structure; - (ii) turn the second structure to adjust the central body (40) in the first direction (X) vis-à-vis the base (20); - (iii) reopen the second structure; - (iv) put the buffer device in the locked position by actuating the locking element (80). Procédé de montage selon la revendication 16, caractérisé en ce que la première structure est une partie mobile de carrosserie d'un véhicule et en ce que la deuxième structure est un châssis de véhicule.Mounting method according to Claim 16, characterized in that the first structure is a movable body part of a vehicle and in that the second structure is a vehicle frame.
EP20184427.1A 2019-08-29 2020-07-07 Buffer with self-adjusting stop Active EP3786406B1 (en)

Applications Claiming Priority (1)

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FR1909494A FR3100265B1 (en) 2019-08-29 2019-08-29 Self-adjusting stopper pad

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EP3786406A1 true EP3786406A1 (en) 2021-03-03
EP3786406B1 EP3786406B1 (en) 2023-08-30

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JP (1) JP2021032413A (en)
CN (1) CN112443228B (en)
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US20210131158A1 (en) 2021-05-06
CN112443228A (en) 2021-03-05
EP3786406B1 (en) 2023-08-30
PL3786406T3 (en) 2024-06-10
MA54404A (en) 2021-10-13
JP2021032413A (en) 2021-03-01
FR3100265B1 (en) 2021-12-10
CN112443228B (en) 2024-05-03
FR3100265A1 (en) 2021-03-05
US11629543B2 (en) 2023-04-18
MA54404B1 (en) 2023-11-30

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