EP4182191A1 - Verbindungsvorrichtung zum verbinden eines wischblatts einer optischen fläche eines fahrzeugs mit einem antriebsarm des fahrzeugs - Google Patents

Verbindungsvorrichtung zum verbinden eines wischblatts einer optischen fläche eines fahrzeugs mit einem antriebsarm des fahrzeugs

Info

Publication number
EP4182191A1
EP4182191A1 EP21739382.6A EP21739382A EP4182191A1 EP 4182191 A1 EP4182191 A1 EP 4182191A1 EP 21739382 A EP21739382 A EP 21739382A EP 4182191 A1 EP4182191 A1 EP 4182191A1
Authority
EP
European Patent Office
Prior art keywords
opening
conduit
connection device
duct
vehicle
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.)
Pending
Application number
EP21739382.6A
Other languages
English (en)
French (fr)
Inventor
Vincent Gaucher
Stephane Houssat
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.)
Valeo Systemes dEssuyage SAS
Original Assignee
Valeo Systemes dEssuyage SAS
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 Valeo Systemes dEssuyage SAS filed Critical Valeo Systemes dEssuyage SAS
Publication of EP4182191A1 publication Critical patent/EP4182191A1/de
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3849Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3862Transport of liquid there through
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/46Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48Liquid supply therefor
    • B60S1/52Arrangement of nozzles; Liquid spreading means
    • B60S1/522Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
    • B60S1/524Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms arranged in wiper blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3849Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851Mounting of connector to blade assembly
    • B60S1/3856Gripping the blade
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/46Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48Liquid supply therefor
    • B60S1/481Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
    • B60S1/482Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means combined with the operation of windscreen wipers

Definitions

  • Connection device for connecting a wiping blade of an optical surface of a vehicle to a drive arm of the vehicle
  • the present invention falls within the field of wiping and/or cleaning the optical surfaces of a motor vehicle.
  • the present invention relates to a connection device which constitutes a wiper blade.
  • Wiper systems for automotive vehicles typically include at least one drive arm that reciprocates angularly past an optical surface.
  • a drive arm drives at least one wiping blade comprising a wiping blade made of a flexible material, for example rubber, and pressed against the optical surface to be wiped.
  • the wiper blade is attached to the drive arm of the wiper system by a connection assembly configured so that, driven by the movements of the blade and the arm, the wiper blade rubs against the surface to be wiped and wipes it water and a certain amount of dirt to evacuate them outside the driver's field of vision.
  • connection assembly can be equipped with devices for supplying a cleaning and/or de-icing fluid routed from a tank located on the vehicle and sprayed in the direction of the optical surface to be wiped by nozzles located either around the optical surface to be wiped, or directly on the brushes.
  • connection device is generally assembled to the wiper blade which is provided with at least one ramp for routing and spraying the cleaning and/or de-icing fluid.
  • the connection device comprises at least one inlet connector connected to a fluid inlet, at least an outlet connector connected to the ramp and an internal path for the flow of the fluid from the inlet connector to the outlet connector.
  • connection device is generally designed to project the cleaning fluid into a single lateral side of the wiper blade.
  • connection device for connecting a wiper blade of an optical surface of a vehicle to a drive arm of the vehicle, said device comprising a circuit for channeling a liquid and comprising a cannula for input connected to a first conduit and to a second conduit both extending along a longitudinal direction of extension of the connection device, the first conduit being able to be in communication with the second conduit.
  • connection device advantageously makes it possible to use a single inlet connector, here said inlet cannula, to supply the first conduit and/or the second conduit so as to make the structure of the connection device compact and universal. It should be noted that such a connection device allows its user to spray cleaning and/or de-icing fluid onto one of the two ducts or onto both ducts so as to adapt the device to different cases of 'use.
  • connection device can for example be made in one piece.
  • connection device is formed by a base comprising two lateral parts and surmounted by a flank in which the inlet cannula extends at least in part, the first duct and the second duct being respectively provided in the two lateral parts of the said base and adapted to be hydraulically connected to the inlet cannula via a first supply conduit and a second supply conduit respectively.
  • connection device advantageously allows a compact and versatile structure with a single inlet cannula so as to make the first duct and the second duct simultaneously usable for supplying the projections of cleaning and/or de-icing fluid in the two lateral sides of the base.
  • the first supply duct can for example extend along a first axis transverse to the longitudinal direction and the second supply duct can for example extend along a second axis transverse to the longitudinal direction.
  • the inlet cannula may extend along a central longitudinal axis of the connection device, and the first duct and the second duct may be symmetrical with respect to said central longitudinal axis.
  • the first supply conduit and the second supply conduit are respectively terminated by a first opening and a second opening which emerge from the base towards the outside of the device.
  • first opening and the second opening can for example respectively be closed either by a first closing device capable of closing only the first or second opening, or by a second closing device able to close the first opening. and the first conduit, or the second opening and the second conduit.
  • the first closure device comprises a first plug completely sealing the first or the second opening and closing off at most a part of the opening of the first or of the second duct in the first or respectively second supply duct
  • the second closing device comprises a second plug completely sealing the first or the second opening as well as the opening of the first or second conduit in the first or second supply conduit.
  • the first plug can for example be made of a first material and the second plug can for example be made of a second material, the first material and the second material being identical or preferably different, the first and/or the second plug being welded respectively to the first and/or to the second opening.
  • a system for wiping an optical surface of a vehicle comprising a wiper blade mechanically connected to a drive arm at least by a connection device as described above.
  • the wiping system further comprises an adaptation means pivotally mounted on the connection device and capable of connecting said device to said drive arm.
  • FIG.i illustrates, in a perspective view, an embodiment of a system for wiping an optical surface of a vehicle
  • FIG.2 illustrates in a perspective view, an embodiment of a connection device.
  • FIG.3 illustrates a sectional view of the connection device along a plane A-A of Figure 2.
  • the reference V in FIG. 1 designates a vehicle V, here for example a motor vehicle comprising an optical surface S, here for example a windshield S of the motor vehicle.
  • the motor vehicle V further comprises a system SE for wiping the optical surface S of the motor vehicle V.
  • the wiper system SE has a wiper blade i configured to wipe the optical surface S.
  • the wiper blade i comprises a connection device 2 carrying a wiper blade 3, and a means of adaptation 4 capable of connecting the connection device 2 to a drive arm 5.
  • the wiper blade 3, the connection device 2, the adaptation means 4 and the drive arm 5 of a motorized wiper mechanism are part of the SE wiper system.
  • connection device 2 For each target drive arm, such as hook arms, lateral pivot axis arms, longitudinal clipping/latching arms, etc., there will be a specific connection device 2 and an adaptation means 4 adapted.
  • connection device 2 is made in one piece.
  • the adaptation means 4, here for example a connector 4 is pivotally mounted on the connection device 2, here for example via a pivot axis 4a, and is adapted to be linked to the drive arm 5, here for example with longitudinal snap-in.
  • connection device 2 can be made in several parts, for example a base configured to carry a wiper blade assembly 3 and an adapter configured to connect the base to the adaptation means 4.
  • a connection device may comprise one or more inlet cannulas intended to receive wiper fluids wiper fluid and one or more conduits coupled to the at least one inlet cannula and configured to deliver such wiper fluids.
  • FIG. 2 illustrate an embodiment of the connection device 2.
  • connection device 2 has an elongated shape and comprises a base 11 comprising an upper face nf, and a central part 12 surmounted by the base 11 and extending longitudinally at the center of the upper face nf of the base there.
  • the central part 12 in fact forms a clip 13 for a drive arm and/or an adaptation means 4 capable of connecting the connection device 2 to a drive arm 5.
  • the clip 13 comprises a flank comprising a plurality of ribs 14 which provide mechanical reinforcement of the flank, a through-cavity 15 of the flank to receive, according to an alternative embodiment, a pivot axis, in particular of a drive arm of the so-called lateral pivot type, and ramps 16 of the through-cavity 15 so as to facilitate the mounting of the adaptation means 4 on the connection device 2.
  • the central part 12 further comprises near one of its longitudinal sides an inlet cannula 17 longitudinally passing through at least a part, here for example half, of the side of the central part 12.
  • the inlet cannula 17 s extends along a central longitudinal axis AL of the connection device
  • the inlet cannula 16 has a first end El located close to said longitudinal side of the central part 12 and a second end E2 (see FIG. 3) within the side of the central part 12, here for example located below the through cavity 15.
  • the central part 12 also comprises on each of its lateral sides a central ramp 18 resting on the side of the central part 12 and connected to the second end E2 of the inlet cannula 17.
  • Each central ramp 18 ends in a upper vertical end 18EVH located in a lower level of a lower vertical end 15EVB of the through-cavity 15.
  • the central ramps 18 respectively comprise inside them a first supply conduit 18a and a second supply conduit 18b (not visible in Figure 2) hydraulically linked to said cannula of entry 17.
  • the base 11 comprises two side parts PLi, PL2 respectively comprising a first conduit 19a and a second conduit 19b.
  • Each of these first and second ducts 19a, 19b crosses the base 11 longitudinally and is capable of being hydraulically in communication with the supply duct corresponding 18a, 18b which is located on the same lateral side of the base n.
  • the first supply conduit 18a and the second supply conduit 18b are respectively terminated by a first opening 20a and a second opening 20b (visible in FIG. 3) which emerge from the base 11 towards the outside of the connection device 2.
  • first opening 20a and the second opening 20b can be closed off by different closure devices so as to selectively connect the first conduit 19a and/or the second conduit 19b to said inlet cannula 17.
  • the inlet cannula 17 can be hydraulically linked to one of the first and second ducts 19a, 19b or to the first and second ducts 19a, 19b.
  • the first conduit 19a is hydraulically in communication with the second conduit 19b.
  • connection device 2 makes it possible to have a circuit for selectively channeling a liquid, here for example a windshield wiper fluid between only the inlet cannula 17 and the first conduit 19a, between only the cannula d inlet 17 and the second conduit 19b, or between the inlet cannula 17 and the first and second conduits 19a, 19b.
  • a liquid here for example a windshield wiper fluid
  • connection device 2 comprises only a single inlet cannula 17, which makes the connection device 2 more compact, more economical to manufacture.
  • Each conduit 19a, 19b comprises near each of the longitudinal sides of the base 11 a pipe end i9ai, I9a2, i9bi, I9b2 intended to be linked to a projection device.
  • the projection device comprises deflectors 20 comprising projection orifices for projecting windshield wiper fluids onto the optical surface to be wiped.
  • the base 11 further comprises a retaining channel 21 longitudinally passing through the base 11 and located between the two ducts 19a, 19b.
  • the holding channel 21 is intended to carry, in known manner, a wiper blade 22 and one or two corresponding vertebrae.
  • the connection device 2 described above is advantageously made of the same synthetic material, for example plastic. This connection device 2 can thus be manufactured during a single molding operation, in particular by injection.
  • Figure 3 shows a sectional view of Figure 2 along a vertical plane A-A.
  • the section of the inlet cannula (17) has a round shape and the second end E2 of the inlet cannula 17 is hydraulically in communication with the first supply conduit 18a and the second conduit supply 18b.
  • the section of the first supply conduit 18a or of the second supply conduit 18b has a round shape.
  • the first supply conduit 18a extends along a first axis Al transverse to the longitudinal direction and the second supply conduit 18b extends along a second axis A2 transverse to the longitudinal direction.
  • first axis Ai and the second axis A2 are perpendicular.
  • the first supply conduit 18a and the second supply conduit 18b are symmetrical with respect to the inlet cannula 17 as well as to said central longitudinal axis AL (visible in FIG. 2).
  • the first supply conduit 18a is terminated by a first opening 20a and the second supply conduit 18b is terminated by a second opening 20b.
  • the two openings 20a, 20b emerge from the base 11 towards the outside of the connection device 2.
  • the first opening 20a is closed off by a first closing device 23a.
  • the first closure device 23a comprises a first cap 24a.
  • the first plug 24a completely seals the first opening 20a and closes off at most part of the opening of the first duct 19a so as to cause the first duct 19a and the inlet cannula 17 to communicate hydraulically.
  • the first plug 24a does not block the opening of the first duct 19a.
  • the second opening 20b is closed off by a second closing device 23b.
  • This second closure device 23b has an elongated shape and has a length greater than that of the first closure device 23a.
  • the second closing device 23b comprises a second plug 24b completely sealing the second opening 20b. Furthermore, the second plug 24b completely closes off the opening of the second conduit 19b in the second supply conduit 18b. Therefore, the second conduit 19b is not hydraulically in communication with the inlet cannula 17.
  • first cap 24a is made of a first material and the second cap 24b is made of a second material.
  • the first material and the second material are identical or preferably different, for example plastic and/or rubber.
  • each plug 24a, 24b can be welded to the corresponding opening 20a, 20b.
  • the first plug 24a and the second plug 24b can for example respectively be welded by ultrasound to the first opening 20a and to the second opening 20b.
  • the only inlet cannula 17 of the connection device is capable of being hydraulically in communication with the first conduit 19a and/or the second conduit 19b, which advantageously makes it possible to make the connection device 2 more compact and more versatile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Body Structure For Vehicles (AREA)
  • Cleaning In General (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
EP21739382.6A 2020-07-22 2021-07-06 Verbindungsvorrichtung zum verbinden eines wischblatts einer optischen fläche eines fahrzeugs mit einem antriebsarm des fahrzeugs Pending EP4182191A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2007674A FR3112737B1 (fr) 2020-07-22 2020-07-22 Dispositif de connexion pour connecter une lame d’essuyage d’une surface optique d’un véhicule à un bras d’entraînement du véhicule
PCT/EP2021/068599 WO2022017769A1 (fr) 2020-07-22 2021-07-06 Dispositif de connexion pour connecter une lame d'essuyage d'une surface optique d'un vehicule a un bras d'entrainement du vehicule

Publications (1)

Publication Number Publication Date
EP4182191A1 true EP4182191A1 (de) 2023-05-24

Family

ID=73698951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21739382.6A Pending EP4182191A1 (de) 2020-07-22 2021-07-06 Verbindungsvorrichtung zum verbinden eines wischblatts einer optischen fläche eines fahrzeugs mit einem antriebsarm des fahrzeugs

Country Status (6)

Country Link
US (1) US20230286469A1 (de)
EP (1) EP4182191A1 (de)
JP (1) JP2023535413A (de)
CN (1) CN115835989A (de)
FR (1) FR3112737B1 (de)
WO (1) WO2022017769A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3139084A1 (fr) * 2022-08-31 2024-03-01 Valeo Systèmes D’Essuyage Connecteur d’un système d’essuyage.
FR3139086A1 (fr) * 2022-08-31 2024-03-01 Valeo Systèmes D’Essuyage Connecteur d’un système d’essuyage.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060121087A1 (en) * 2004-12-06 2006-06-08 Williams Michael S Polymeric endoprostheses with modified erosion rates and methods of manufacture
FR2933930B1 (fr) * 2008-07-15 2010-12-17 Valeo Systemes Dessuyage Connecteur hydraulique notamment pour systeme d'essuie-glace de vehicule automobile
DE102009043695A1 (de) * 2009-10-01 2011-04-14 Valeo Systèmes d'Essuyage Wischblatt
DE102010056461A1 (de) * 2010-12-30 2012-07-26 Valeo Systèmes d'Essuyage Wischblatt zum Reinigen von Scheiben von Kraftfahrzeugen
DE102011001689A1 (de) * 2011-03-31 2012-10-04 Valeo Systèmes d'Essuyage Wischblatt sowie Wischarm zum Reinigen von Fahrzeugscheiben
FR2994144B1 (fr) * 2012-08-02 2014-08-29 Valeo Systemes Dessuyage Dispositif de connexion entre un bras d'essuyage et un balai d'essuyage, comprenant un tube surmoule
FR2994149B1 (fr) * 2012-08-02 2015-07-03 Valeo Systemes Dessuyage Dispositif de connexion entre un bras d'essuyage et un balai d'essuyage, comprenant une zone amenagee pour recevoir une pluralite d'orifices de projection
FR2994147B1 (fr) * 2012-08-02 2016-08-05 Valeo Systemes Dessuyage Dispositif de connexion entre un bras d'essuyage et un balai d'essuyage, comprenant un circuit de circulation de liquide
EP2799295B1 (de) * 2013-04-30 2020-03-25 Valeo Systèmes d'Essuyage Scheibenwischer eines kraftfahrzeuges
FR3060495B1 (fr) * 2016-12-21 2021-07-16 Valeo Systemes Dessuyage Connecteur hydraulique, balai d'essuyage equipe d'un tel connecteur hydraulique, procede d'assemblage et procede de fabrication
JP2019037960A (ja) * 2017-08-28 2019-03-14 アイシン精機株式会社 洗浄装置

Also Published As

Publication number Publication date
CN115835989A (zh) 2023-03-21
FR3112737B1 (fr) 2022-12-16
JP2023535413A (ja) 2023-08-17
US20230286469A1 (en) 2023-09-14
FR3112737A1 (fr) 2022-01-28
WO2022017769A1 (fr) 2022-01-27

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