Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/40—Connections between blades and arms
  • B60S1/4083—Connections between blades and arms for arms provided with a flat end
  • B60S1/4087—Connections between blades and arms for arms provided with a flat end the end being provided with protrusions or holes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/40—Connections between blades and arms
  • B60S1/4038—Connections between blades and arms for arms provided with a channel-shaped end
  • B60S1/4064—Connections between blades and arms for arms provided with a channel-shaped end the channel-shaped end being provided with protrusions on, or holes in, the side walls to create a pivot
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/40—Connections between blades and arms
  • B60S2001/409—Connections between blades and arms characterised by the arm or connecting part mounted on the arm presenting a shaped opening for bearing the pivot axis

Definitions

• wiper systems comprise at least one wiper arm and a wiper blade driven by the wiper arm.
• the wiper arm is connected to an electric motor of the vehicle and the wiper blade comprises at least one wiper blade adapted to come into contact with the glazed surface to be wiped.
• an adapter is arranged between this wiper blade and the wiper arm. More particularly, the adapter is arranged between the wiper arm and a connector connected to the wiper blade.
• a problem with the current means of rotation resides in particular in the fact that their maintenance in cooperation with the connector is not optimal. Indeed, although the means of rotation of the adapter ensures an acceptable rotation of the latter relative to the connector, its maintenance is sometimes faulty, in particular when there are forces which lead to the adapter being off-axis relative to the connector. connector. The mechanical retaining force between the adapter and the connector is therefore too low.
• the invention therefore relates to an adapter for attaching a wiper blade to an arm of a wiping system, the adapter being configured to be pivotally mounted around an axis of rotation on a connector of the blade. wiper, the adapter comprising at least two side walls opposite each other in a transverse direction of the adapter and such that they delimit at least in part a receiving space for the connector, the adapter comprising at least one means for rotating the adapter relative to the connector formed on the side walls, the means for rotating comprising at least one bearing which opens onto the receiving space, the adapter being characterized in that that the bearing comprises at least three points configured to bear on the connector, the three points being separated from each other by angular sectors devoid of material.
• the bearing is formed in one of the side walls of the adapter. It is understood that the bearing comprises a reception zone made in the side wall.
• the bearing is configured to allow pivoting of the adapter relative to the connector when the adapter is mounted on the connector.
• the three points can delimit a circular or cylindrical landing zone.
• the three points delimit a reception zone configured to receive a rotation element of the connector, the reception zone being circular.
• the at least three points are distributed around the circumference of the reception zone substantially uniformly or equitably.
• the at least three points are equidistant from each other.
• the at least three points are staggered.
• This rotation of the adapter relative to the connector is carried out in particular thanks to the means of rotation of the adapter comprising at least the bearing and a cylindrical stud on the side wall opposite that which carries the bearing.
• the bearing notably comprises at least three points able to bear on the connector and more precisely on a cylindrical projection intended to cooperate with the bearing of the rotation means. Each of the three points is then separated by at least one angular sector devoid of matter.
• devoid of material means the fact that the angular sector forms a zone of the bearing on which the cylindrical projection of the connector does not rest.
• the means for rotating the adapter relative to the connector comprises at least one cylindrical stud formed on the side wall opposite to that which carries the bearing, the cylindrical stud projecting towards the reception space being aligned with the bearing along the axis of rotation.
• the connector then comprises a circular housing capable of cooperating with the cylindrical stud of the adapter rotation means and is therefore intended to be aligned along this axis of rotation.
• the bearing comprises at least five points configured to bear on the connector, three points among the five points being arranged in a first semicircle of the bearing, and the other two points being arranged in a second half-circle of the landing.
• the first semi-circle and the second semi-circle are complementary to each other and do not overlap, so that they form a circle in which the landing is inscribed. This allows an optimal distribution of points to maintain at least the cylindrical projection of the connector in the bearing of the rotation means.
• the rotation means comprises at least five grooves formed in the thickness of one of the side walls of the adapter on the periphery of the bearing, the five grooves opening onto the angular sectors devoid of material and delimiting three teeth of the rotation means distinct from each other.
• grooves are made in the wall of the adapter in which the bearing is made.
• the at least 3 teeth are formed by the ends of the teeth delimiting the reception zone of the bearing.
• groove is meant a clearance in a material of the adapter, made around the bearing, so that said grooves border the aforementioned teeth.
• the furrows extend in parallel directions.
• the grooves extend radially from the axis of rotation.
• two of the grooves are formed on the periphery of the bearing, at the level of the first semicircle, while three other grooves are formed on the periphery of the bearing at the level of its second semicircle. It is then understood that a first tooth extends on the periphery of the bearing, at the level of its first semicircle, while a second tooth and a third tooth extend on the periphery of the bearing at the level of its second semicircle.
• each of the grooves of the rotation means opens onto the bearing at the level of one of the angular sectors of the rotation means.
• each of the teeth comprises at least one free end face facing the bearing of the rotation means, each of the free end faces forming one of the points of the rotation means of the adapter intended to lean on the connector.
• the free end face of the first tooth forms one of the points of the rotation means located in the first semicircle of the bearing while the free end faces of the second tooth and of the third tooth each form one of the points of the means of rotation located in the second semi-circle of the bearing.
• each of the teeth extends along a common straight line with one of the grooves of the rotation means.
• the teeth of the rotation means extend along a direction of main elongation parallel to a direction of insertion of the connector into the space for receiving the adapter.
• At least one of the grooves of the rotation means opens on an outer edge of the side wall of the adapter.
• At least one of the teeth comprises a chamfer intended to facilitate the insertion of the adapter on the connector.
• the chamfer is formed on at least one of the teeth, opposite the free end face of said tooth. In this way, it is understood that the chamfer is formed at the level of the second outer edge of the side wall constituting the adapter.
• the invention also relates to an assembly consisting of a connector intended to be made integral with a wiper blade and an adapter as described in the present document, the connector and the adapter being pivotally mounted one by relative to the other using the bearing of the rotation means mentioned above.
• the invention also relates to a wiper blade comprising at least one wiper blade, a connector and an adapter according to the preceding characteristics, the blade being carried by the connector, the connector being pivotally mounted with respect to the adapter.
• the blade of the wiper blade is carried indirectly by the connector, in particular by an elongated support made of synthetic material or by one or more vertebrae housed in the wiper blade.
• the invention also relates to a wiper system for a motor vehicle, which comprises a wiper blade according to the preceding characteristic and an arm connected to the wiper blade by the adapter according to the preceding characteristics.
• FIG. 1 is a general perspective view of a wiper system according to the invention, comprising at least one wiper blade, an arm and an adapter;
• FIG. 1 is a schematic perspective view of the adapter of the coupled to a connector of the wiper system of the ;
• FIG. 1 is a schematic top view of the adapter from the showing an upper wall, an area for receiving the arm of the wiping system and a space for receiving the connector;
• FIG. 1 is a schematic bottom view of the adapter from the showing in part a means of rotation of the adapter relative to the connector;
• FIG. 1 is an exploded schematic view of the adapter and connector of the .
• this wiper system 1 comprises at least one wiper blade 2 and at least one arm 4 connected to each other by at least one adapter 6 according to the invention. More specifically, the adapter 6 makes it possible to connect a connector 8 which carries the wiper blade 2, the latter comprising a blade 10, to the arm 4 of the windscreen wiper.
• the blade 10 of the wiper blade 2 is adapted to come into contact with a glazed surface of a vehicle, not visible, equipped with the wiping system 1 according to the invention.
• the wiper blade 2 may comprise at least one stiffening member, for example an elongated support made of synthetic material or one or more metal vertebrae, and at least one air deflector 12. then by air deflector 12, the fact that the latter is configured to transform a pressure applied by a flow of air circulating along the glazed surface into a bearing force of the wiper blade 2 against the glazed surface of the vehicle.
• the adapter 6 extends along a main longitudinal elongation direction L and comprises at least two side walls 18 opposite each other along a transverse direction T of the adapter 6.
• Each side wall 18 extends in a plane L, V of a trihedron L, V, T illustrated in each of the figures.
• the two side walls 18 participate in delimiting a reception space 20 of the connector 8.
• At least one bridge 22 extends in a plane L, T of the adapter 6, inside a volume delimited by the side walls 18 and an upper wall 24.
• the bridge 22 connects the side walls 18 of the adapter 6. More precisely, the bridge 22 participates in delimiting the reception space 20 of the connector 8, in cooperation with the side walls 18.
• the reception area 28 of the wiper arm corresponds to a space intended to receive the first end of the arm and this space is delimited by an insertion hole 30 of said arm, visible at the , formed at a longitudinal end of the adapter 6, such that the insertion hole 30 opens onto the reception zone 28.
• the reception zone 28 comprises at least one blocking stud 32, visible , projecting from said reception zone 28 in the vertical direction V of the adapter 6, said blocking stud 32 being capable of cooperating with a hole, not visible, made in the first end of the arm.
• the blocking stud 32 then makes it possible to block the longitudinal movements of the arm when it is housed in the reception zone 28. It is then understood that the upper wall 24 blocks the vertical movements of the arm and the side walls 18 block its transverse movements.
• At least one chamfered zone 38 is formed between the upper wall 24 and one of the side walls 18 of the adapter 6. More specifically, the chamfered zone 38 is formed at a joint between the upper wall 24 and one of the side walls 18, and such that it forms an inclined plane with respect to a main plane of the upper wall 24 and a main plane of the side wall 18. Such a chamfered zone 38 reduces the risk of injury in the event of impact between a pedestrian and the vehicle equipped with an adapter 6 according to the invention. According to the illustrated example of the invention, a chamfered zone 38 similar to that which has just been described is formed on the other transverse end of the adapter 6 and in such a way that the two chamfered zones 38 face each other. from each other in the transverse direction T of the adapter 6.
• the adapter 6 is configured to be pivotally mounted on the connector 8, visible in Figures 1, 2 and 6, around an axis of rotation R, the axis of rotation R being parallel to the transverse direction T of the adapter 6.
• the adapter 6 comprises at least one means 40 for rotating the adapter 6 with respect to the connector 8, formed on the side walls 18 of the adapter 6 and which opens or which protrudes on the receiving space 20 of the connector 8.
• a first side wall 18a is then defined which carries a bearing 42 of the rotation means 40 and a second side wall 18b which carries a cylindrical stud 44, particularly visible to the , projecting towards the reception space 20.
• the bearing 42 and the cylindrical stud 44 are then aligned along the axis of rotation R.
• the rotation means 40 can be formed exclusively of the bearing 42, but it can also be formed by a combination of the bearing 42 and the cylindrical stud 40.
• the bearing 42 of the rotation means 40 having the shape of a circle with center C, a first semicircle 50a and a second semicircle 50b are defined, seen in a plane L, V. These semicircles 50a and 50b are illustrated in dotted lines on the . It is then understood that the first semicircle 50a and the second semicircle 50b are distinct from each other, that is to say that they do not overlap, and are complementary to one another. other so that they form the circle with center C in which the bearing 42 fits.
• the five furrows 52 delimit three teeth 56 distinct from each other. More specifically, the first groove 52a and the second groove 52b delimit a first tooth 56a which extends from the bearing 42 and up to the first outer edge 54a of the first side wall 18a, and the third groove 52c, fourth groove 52d and fifth groove 52e delimit a second tooth 56b and a third tooth 56c, distinct from each other and which extend from the bearing 42 to the second outer edge 54b of the first side wall 18a.
• Each of the teeth 56 of the rotation means 40 comprises a free end face 58, facing the bearing 42 of the rotation means 40, each of the free end faces 58 forming one of the points 46 of the rotation means 40 intended to take support on the connector 8, as mentioned above. Furthermore, each of the teeth 56 of the rotation means 40 extends from the bearing 42 in the vertical direction V of the adapter 6.
• At least one of the grooves 52 of the rotation means 40 extends along a straight line, and at least one of the teeth 56 extends along this same straight line. More precisely and according to the example of the invention illustrated, the first groove 52a extends along a first vertical straight line D1 common with the second tooth 56b, the second groove 52b extends along a second vertical line D2 common with the third tooth 56c and the fourth groove 52d extends along a third vertical line D3 common with the first tooth 56a.
• the teeth 56 are arranged alternately along the longitudinal direction L.
• the grooves 52 which are also arranged alternately by moving along the longitudinal direction L.
• the cylindrical stud 44 comprises a chamfered leading edge 45, facing away from the upper wall 24. It is therefore understood that the leading edge 45 is formed on the cylindrical stud 44 in such a way that it facilitates the insertion of the adapter 6 on the connector.
• Connector 8 particularly visible at the comprises at least a first portion 68 for attachment to the wiper blade, the first attachment portion 68 forming in particular a means for attaching the blade of the wiper blade between a first tab 70a and a second tab 70b of the first portion 68.
• the connector 8 also comprises a second portion 72 for fixing with the adapter 6 which extends vertically from the first portion 68, opposite the first tab 70a and the second tab 70b of the first portion 68.
• the second portion 72 of the connector 8 comprises the circular housing 66 forming a cylindrical recess in the material of the second portion 72. More precisely, the circular housing 66 is formed in the second portion 72 of the connector 8 in such a way that it is capable of cooperating with the cylindrical stud of the adapter 6, along the axis of rotation R.
• the second portion 72 of the connector 8 also comprises a cylindrical strand 74 projecting from said second portion 72 and opposite the volume of the latter, so that the cylindrical strand 74 is capable of cooperating with the bearing 42 of the means of rotation 40 of the adapter 6 along the axis of rotation R. It is then understood that the cylindrical strand 74 is intended to be resting on the at least three points of support of the bearing 42, or even the five points of the bearing 42 of the means of rotation 40 of the adapter 6 described above.
• the assembly method comprises at least a first step during which the connector 8 is positioned facing the reception space 20 of the adapter 6 and in such a way that the second outer edge 54b of the first side wall 18a is turned towards said connector 8.
• the adapter 6 is arranged on the connector 8 in such a way that at least part of the connector 8 is housed in the reception space 20 of the adapter 6.
• the adapter 6 is translated onto the connector 8 in the vertical direction V of said adapter 6, so that the second portion 72 of the connector 8 meets the chamfers 62 provided on the second tooth 56b and on the third tooth 56c of the means of rotation 40.
• the adapter as it has just been described in that its means of rotation, and in particular its bearing comprising the at least three points configured to bear on the connector, increase the mechanical strength of the adapter on the connector.
• Advantage is also taken from such an invention in that it is possible to obtain the bearing comprising the at least three support points by simple means, not complicating the already existing means of production.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Pivots And Pivotal Connections (AREA)
• Cleaning In General (AREA)
• Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=77021373

Family Applications (1)

Country Status (4)

Family Cites Families (3)

• 2021
  • 2021-02-11 FR FR2101302A patent/FR3119587A1/fr active Pending
• 2022
  • 2022-02-11 WO PCT/EP2022/053432 patent/WO2022171832A1/fr active Application Filing
  • 2022-02-11 CN CN202280013218.3A patent/CN116917170A/zh active Pending
  • 2022-02-11 EP EP22723986.0A patent/EP4291449A1/de active Pending

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