EP4486604A1 - Wischarmvorrichtung und wischersystem - Google Patents
Wischarmvorrichtung und wischersystemInfo
- Publication number
- EP4486604A1 EP4486604A1 EP23709348.9A EP23709348A EP4486604A1 EP 4486604 A1 EP4486604 A1 EP 4486604A1 EP 23709348 A EP23709348 A EP 23709348A EP 4486604 A1 EP4486604 A1 EP 4486604A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- wiper
- unit
- wiper blade
- fluid
- 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
Links
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
- B60S1/34—Wiper arms; Mountings therefor
- B60S1/3415—Wiper arms; Mountings therefor with means for supplying cleaning fluid to windscreen cleaners, e.g. washers
-
- 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
- B60S1/38—Wiper blades
- B60S1/3848—Flat-type wiper blade, i.e. without harness
- B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
- B60S1/3862—Transport of liquid there through
-
- 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
- B60S1/4067—Connections between blades and arms for arms provided with a side pin
- B60S1/407—Connections between blades and arms for arms provided with a side pin with means provided on the arm for locking the side pin
-
- 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
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
- B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
- B60S1/524—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms arranged in wiper blades
Definitions
- a wiper arm device with at least one wiper arm adapter for coupling with at least one wiper blade and with at least one fluid supply unit for supplying the at least one wiper blade with wiping fluid, which has at least one fluid line, has already been proposed.
- the invention is based on a wiper arm device with at least one wiper arm adapter for coupling with at least one wiper blade and with at least one fluid supply unit for supplying the at least one wiper blade with wiping fluid, which has at least one fluid line.
- the fluid supply line unit has a coupling unit, which is designed as a head piece for the at least one fluid line and which has at least two coupling elements, which are designed for a mechanical connection with the at least one wiper blade, and with exactly one coupling element of the at least two coupling elements is designed to form a fluidic connection with the at least one wiper blade.
- a “wiper arm device” should preferably be understood to mean at least a part, preferably a subassembly, of a windshield wiper.
- the wiper arm device can preferably also encompass the entire windshield wiper, in particular with a wiper blade.
- the wiper arm Device provided for use on a vehicle.
- the wiper arm device preferably forms part of the windshield wiper, in particular at least one wiper rod with a wiper arm adapter, between a wiper drive and a wiper blade.
- the wiper arm device is preferably provided, in particular as part of the windshield wiper, for cleaning a surface, preferably a surface of a windshield on a vehicle.
- the wiper arm device is preferably coupled to a vehicle, preferably the wiper drive of a vehicle, for cleaning a surface of a vehicle window.
- a vehicle preferably the wiper drive of a vehicle
- the fact that an object is provided for a specific function should preferably be understood to mean that the object fulfills and/or executes this specific function in at least one application and/or operating state.
- An “operating state” should preferably be understood to mean a state in which the wiper arm device is ready for a wiping process and/or a wiping operation and/or is in a wiping operation, in which a wiper strip unit, preferably a wiper lip, of the wiper blade, in particular of the windshield wiper , is preferably guided over the surface of the vehicle window and advantageously bears against the surface of the vehicle window.
- the wiper arm device preferably has at least one wiper rod.
- the wiper rod is preferably designed in one piece with the wiper arm adapter. “In one piece” is to be understood in particular as being materially connected, in particular formed in one piece, with one piece preferably consisting of a single blank, a mass and/or a cast, particularly preferably in an injection molding process, in particular a single and/or multi-component - component injection molding process, can be produced.
- the wiper rod is preferably made of a metal material.
- the wiper arm adapter is preferably made of the same material as the wiper rod.
- the wiper arm adapter is preferably designed as a side-lock adapter.
- the wiper arm adapter preferably comprises at least one pin element.
- the at least one fluid supply line unit is preferably designed to guide wiping fluid, in particular wiping water, along the wiper rod from an end of the wiper rod facing away from the wiper arm adapter to the wiper arm adapter, in particular to the wiper blade.
- the fluid supply is preferably processing unit arranged at least for the most part in a cavity delimited by the wiper rod.
- the at least one fluid supply line unit preferably comprises precisely one fluid line, in particular precisely one hose element, for supplying the wiper blade.
- the precisely one fluid line, in particular the precisely one hose element preferably extends along a longitudinal axis of the wiper rod from an end of the wiper rod facing away from the wiper arm adapter to the wiper arm adapter, in particular to the wiper blade.
- a longitudinal axis of the fluid line, in particular of the hose element, is preferably at least essentially parallel to a longitudinal axis of the wiper rod.
- a “longitudinal axis” of an object is to be understood in particular as an axis that runs parallel to a longest edge of a smallest geometric cuboid that just about completely encloses the object, and preferably runs through a geometric center point of the object, in particular of the cuboid.
- “Substantially parallel” is to be understood here in particular as an alignment of a direction relative to a reference direction, in particular in a plane, with the direction relative to the reference direction deviating in particular by less than 15°, advantageously less than 10° and particularly advantageously less than has 5°.
- the coupling unit is preferably connected to the hose element, in particular fluidically.
- the coupling unit is preferably designed as an end piece, in particular a head piece, for the fluid line, in particular the hose element, on an end of the fluid line, in particular the hose element, that faces the wiper arm adapter.
- the at least two coupling elements are preferably of the same size.
- the at least two coupling elements are preferably formed in the same shape.
- the at least two coupling elements are preferably arranged at a distance from one another.
- the coupling unit preferably has at least two attachment projections for mounting on the wiper arm adapter.
- the at least two attachment projections are preferably arranged on opposite sides of the coupling unit.
- the at least two attachment projections are preferably arranged in alignment along a longitudinal axis of the pin element.
- the wiper arm adapter preferably has a cover element which is pivotably connected to the pin element.
- the cover element has two Suspension recesses, which are opposite along the longitudinal axis of the pin member.
- the at least two hanging extensions are preferably designed to be connected to the cover element, in particular to the at least two hanging recesses.
- the longitudinal axis of the pin element is preferably at least essentially perpendicular to the longitudinal axis of the wiper rod and/or the wiper arm adapter.
- the expression “essentially perpendicular” is intended here to define in particular an orientation of a direction relative to a reference direction, with the direction and the reference direction, viewed in particular in a projection plane, enclosing an angle of 90° and the angle has a maximum deviation of, in particular, less than 8 °, advantageously less than 5° and particularly advantageously less than 2°.
- the coupling unit preferably delimits exactly one fluid channel.
- One of the coupling elements preferably delimits part of the fluid channel.
- the fluid channel is preferably designed to be fluidically separate from one of the coupling elements.
- the fluid channel is preferably designed as a cavity in the coupling unit.
- At least one coupling element is preferably solid, in particular free of cavities.
- the coupling unit is preferably designed, in particular manufactured, in one part or in two parts. “In one piece” is to be understood in particular as being formed in one piece, with one piece preferably being produced from a single blank, a mass and/or a cast, particularly preferably in an injection molding process, in particular a one-component and/or multi-component injection molding process .
- the coupling unit is particularly preferably originally designed as two separate parts, in particular produced as a coupling base body and a duct cover.
- the coupling base bodies and a duct cover are preferably designed to be connected to one another in a materially bonded manner, for example by ultrasonic welding and/or by gluing.
- the coupling base body and a duct cover can be connected, in particular can be connected, by a snap-in connection.
- the coupling base bodies are preferably and a duct cover are connected to each other with a material bond.
- the at least two coupling elements are preferably arranged on the coupling base body.
- the fluid channel in the coupling unit is preferably delimited partially by the coupling base body and partially by the channel cover.
- the channel cover is preferably arranged on a side of the coupling base body which is remote from the at least two coupling elements, in particular connected to the coupling base body.
- the channel cover preferably extends over at least 50%, preferably over at least 60%, in particular over at least 75%, of a maximum extension of the fluid channel along a longitudinal axis of the fluid channel.
- Advantageous freedom of movement of the wiper arm device can be achieved by the configuration of the wiper arm device according to the invention.
- the freedom of rotation of the wiper rod can advantageously be increased.
- a torque of the wiper arm device can advantageously be reduced.
- friction between the fluid line and the wiper rod can advantageously be reduced.
- the at least two coupling elements are designed to form a mechanical plug-in connection with the at least one wiper blade.
- One of the at least two coupling elements preferably limits the fluid channel to a circular outer contour in a cross section perpendicular to a plug-in axis of the at least one coupling element.
- the at least two coupling elements for a mechanical plug-in connection preferably have a maximum extension along a plug-in axis of the at least two coupling elements, which is intended to be plugged at least halfway into at least one recess on the wiper blade.
- the at least two coupling elements can be designed as plug-in recesses, in particular for accommodating plug-in extensions of the wiper blade.
- the at least two coupling elements are designed as plug-in extensions.
- the at least two coupling elements are preferably designed as cylindrical elements.
- the at least two coupling elements have a circular outer contour in a cross section perpendicular to a longitudinal axis of the at least two coupling elements.
- the at least two coupling elements preferably have a smaller diameter at a respective free end of the at least two coupling elements than at a connecting end of the at least two coupling elements.
- the at least two coupling elements each have two areas, which extend along the plug-in axle, with a constant diameter.
- the at least two coupling elements each have a central area that extends along the plug-in axle and has a linearly varying diameter.
- a coupling unit has at least one supply coupling element for a connection to the at least one fluid line, which has a connection direction which is at least essentially perpendicular to the connection directions of the at least two coupling elements.
- the at least one supply coupling element is preferably designed as an elongate plug-in extension, in particular a connecting piece.
- the at least one supply coupling element is preferably designed to be plugged into the fluid line, in particular into the hose element.
- the at least one supply coupling element is chamfered at a free end of the at least one supply coupling element to form a blunt tip.
- the at least one supply coupling element is tapered behind the blunt tip.
- the at least one supply coupling element preferably has a maximum extension in the connection direction, in particular in the insertion direction, of the at least one supply coupling element, which is at least as long as a maximum extension of the at least two coupling elements along the plug-in axes of the at least two coupling elements.
- the connection direction of the at least one supply coupling element is preferably aligned at least essentially parallel to a longitudinal axis of the wiper rod, the wiper arm device, the wiper arm adapter and/or the wiper blade.
- the connection direction of the at least one supply coupling element is preferably at least essentially perpendicular to the longitudinal axis of the pin element. merits aligned.
- the fluid supply line unit in particular the fluid line, can be guided at a distance from the walls of the wiper rod.
- the fluid supply unit can advantageously be arranged on the wiper rod with little wear.
- a coupling unit has at least one supply coupling element for a connection to the at least one fluid line, which is fluidically connected to a coupling element of the at least two coupling elements.
- the at least one supply coupling element preferably at least partially delimits the fluid channel.
- the supply coupling element is preferably designed for a fluidic connection with the fluid supply line unit.
- the at least one supply coupling element is preferably offset along a connection axis, which is aligned parallel to an imaginary shortest connecting straight line between the two coupling elements, in relation to the coupling element of the at least two coupling elements, which is fluidically connected to the at least one supply coupling element.
- the at least one supply coupling element is preferably arranged along a connection axis, which is aligned parallel to an imaginary shortest connecting straight line between the two coupling elements, and is not offset from the coupling element of the at least two coupling elements, which is mechanically connected to the at least one supply coupling element and which in particular does not delimit a cavity.
- An advantageous mechanical connectability of the coupling unit on both sides can be achieved.
- an advantageously positionally fixed, in particular non-rotatable, connection of the coupling unit to the wiper blade and the fluid supply unit can be achieved.
- a coupling unit has at least one supply coupling element for a connection to the at least one fluid line, which is fluidically connected to a coupling element of the at least two coupling elements, which is arranged at a greater distance from the at least one supply coupling element.
- the at least one supply coupling element is preferably only mechanically connected to a coupling element of the at least two coupling elements which is arranged closer to the at least one supply coupling element.
- the flow idkanal is limited to an at least essentially S-shaped or 2-shaped course when viewed along the plug-in axis of the at least two coupling elements.
- the at least one supply coupling element preferably delimits in part a region of the fluid channel in which the fluid channel is formed with an angle of at least 45°, preferably at right angles.
- the at least one coupling element preferably delimits a part of the fluid channel which has a rectilinear course.
- the coupling unit in particular a fluid bridge element of the coupling unit, preferably delimits the fluid channel between the supply coupling element and the at least one coupling element, which is in particular fluidly connected to the supply coupling element, to a curved, in particular rounded, curved, in particular by at least 45°, preferably by 90°, Course.
- the coupling unit has at least one bridge element which connects the at least two coupling elements and which is at least partially arranged between the at least two coupling elements.
- the bridge element is preferably designed as a solid element, in particular without cavities.
- the at least two coupling elements are preferably arranged at a distance from one another along the longitudinal axis of the pin element.
- the at least one bridge element preferably extends along the longitudinal axis of the pin element between the at least two coupling elements from one coupling element to the other coupling element.
- a longitudinal axis of the bridge member is at least substantially parallel to a longitudinal axis of the pin member.
- the at least one bridge element is preferably designed differently from the at least one fluid bridge element.
- the coupling unit preferably has the fluid bridge element. An advantageously robust coupling unit can be achieved.
- a wiper system is proposed with at least one wiper blade and with at least one wiper arm device according to the invention.
- the wiper blade preferably has a wind deflector unit. Preferably points the wind deflector unit has two spoiler elements. The spoiler elements are preferably arranged on sides of the wiper blade adapter that face away from one another along the longitudinal axis of the wiper blade.
- the wiper blade preferably has a wiper strip unit which is partially designed as the wiper lip.
- the wiper strip unit is preferably made of an elastomer material.
- the wiper blade preferably has two end caps.
- the wiper blade preferably has at least one spring rail.
- the wiper blade preferably has at least two spring rails.
- the wiper blade preferably has at least one wiper blade adapter.
- the wiper blade adapter preferably has at least two coupling recesses for connection to the coupling unit, in particular to the at least two coupling elements.
- the at least two coupling recesses are preferably arranged on a side of the wiper blade adapter which is arranged facing away from the wiper lip.
- the at least one wiper blade has at least two fluid channel units that are fluidically separate from one another, of which precisely one is fluidically connected to the coupling unit.
- the two coupling recesses of the wiper blade adapter are each connected to one of the two fluid channel units.
- the coupling recesses for the respective fluid channel units can be used for a connection with the coupling unit.
- Beneficial fluid dispensing at the wiper blade can be achieved.
- the at least one wiper arm adapter has at least one pin element for a pivotable connection to the wiper blade, with the at least one wiper blade having at least two fluidically separate fluid channel units, of which one fluid channel unit arranged facing a free end of the at least one pin element is fluidically connected to the Coupling unit is connected.
- the fluid channel unit of the at least two fluid channel units of the wiper blade is preferably fluidically connected to the coupling unit, which is arranged facing a wiping side of the wiper blade, the wiping side being defined in particular in relation to a vehicle window on which the wiper system is arranged.
- the wipe-up side is preferably a side of the wiper blade arranged facing the free end of the at least one pin element.
- Advantageously directed fluid dispensing can be achieved.
- the wiper arm device according to the invention and/or the wiper system according to the invention should/should not be limited to the application and embodiment described above.
- the wiper arm device according to the invention and/or the wiper system according to the invention can/can have a number of individual elements, components and units that differs from a number specified here in order to fulfill a function described herein.
- values lying within the specified limits should also be considered disclosed and can be used as desired.
- FIG. 1 shows a wiper system according to the invention with a wiper arm device according to the invention and a wiper blade in a schematic, partially transparent representation
- FIG. 2 shows a coupling unit of the wiper arm device according to the invention in a schematic representation
- 3 shows the coupling unit of the wiper arm device according to the invention in a schematic representation.
- Figure 1 shows a wiper system 100.
- the wiper system 100 includes a wiper blade 102.
- the wiper system 100 includes a wiper arm device 10.
- the wiper blade 102 has a wind deflector unit 104 .
- the wind deflector unit 104 has two spoiler elements 106, 106'.
- the wiper blade 102 has a wiper blade adapter 108 .
- the spoiler elements 106, 106' are arranged on opposite sides of the wiper blade adapter 108 along a longitudinal axis 110 of the wiper blade 102.
- the wiper blade 102 has a wiper strip unit 112 which is partly designed as the wiper lip (not shown).
- the wiper strip unit 112 is formed from an elastomeric material.
- the wiper blade 102 has two end caps (not shown).
- the wiper blade 102 has two spring rails (not shown).
- the wiper blade adapter 108 has two coupling cutouts 114, 114' for connection to a coupling unit 16, in particular to two coupling elements 20, 22.
- the two coupling cutouts 114, 114' are arranged on a side of the wiper blade adapter 108 which faces away from the wiper lip is.
- FIG. 1 shows in particular the wiper blade 102, which has two fluid channel units 116, 116′ which are fluidically separate from one another, of which precisely one is fluidically connected to the coupling unit 16.
- the two coupling recesses 114, 114' of the wiper blade adapter 108 are each connected to one of the two fluid channel units 116, 116'.
- the wiper arm device 10 has a wiper rod 12 .
- the wiper arm device 10 has a wiper arm adapter 14 for coupling to the wiper blade 102.
- the wiper arm device 10 has a fluid supply line unit 24 for supplying the wiper blade 102 with wiping fluid.
- the fluid supply Unit 24 has a fluid line 26 which is arranged on wiper rod 12 in particular.
- the fluid supply line unit 24 has the coupling unit 16 .
- the coupling unit 16 is designed as a head piece for the fluid line 26 .
- the coupling unit 16 has two coupling elements 20, 22.
- the coupling elements 20, 22 are designed for a mechanical connection to the wiper blade 102, in particular the wiper blade adapter 108.
- Precisely one coupling element 20 of the two coupling elements 20, 22 is designed for a fluidic connection with the wiper blade 102.
- the wiper arm device 10 is a subassembly of a windshield wiper.
- the wiper arm device 10 is intended for use on a vehicle.
- the wiper arm device 10 forms part of the windshield wiper between a wiper drive and the wiper blade 102 .
- the wiper arm device 10 is coupled to the vehicle, in particular the wiper drive of a vehicle, for cleaning a surface of a vehicle window.
- the wiper rod 12 is materially connected to the wiper arm adapter 14 .
- the wiper rod 12 is manufactured as one part with the wiper arm adapter 14 .
- the wiper rod 12 is formed of a metal material.
- the wiper arm adapter 14 is made from the same material as the wiper rod 12.
- the wiper arm adapter 14 is designed as a side-lock adapter.
- the wiper arm adapter 14 includes a pin element 18.
- the pin element 18 is for a pivotable connection with the wiper blade 102.
- the fluid supply line unit 24 is designed to conduct wiping fluid, in particular wiping water, along the wiper rod 12 from an end of the wiper rod 12 facing away from the wiper arm adapter 14 to the wiper arm adapter 14 , in particular to the wiper blade 102 .
- the fluid supply unit 24 is arranged for the most part in a cavity delimited by the wiper rod 12 .
- the fluid supply line unit 24 comprises precisely one fluid line 26, in particular precisely one hose element, for supplying the wiper blade 102.
- the precisely one fluid line 26, in particular precisely one hose element extends along a longitudinal axis 28 of the wiper rod 12 from one of the wiper madapter 14 to the wiper arm adapter 14, in particular to the wiper blade 102.
- a longitudinal axis 30 of the entire fluid line 26, in particular of the hose element is parallel to the longitudinal axis 28 of the entire wiper rod 12, with a maximum deviation of 10°.
- the coupling unit 16 is connected to the fluid line 26, in particular the hose element, in particular fluidically.
- the coupling unit 16 is designed as an end piece, in particular a head piece, for the fluid line 26, in particular the hose element, on an end of the fluid line 26, in particular the hose element, that faces the wiper arm adapter 14.
- the two coupling elements 20, 22 are of the same size.
- the two coupling elements 20, 22 have the same shape.
- the two coupling elements 20, 22 are arranged at a distance from one another.
- the coupling unit 16 has two attachment extensions 32, 32' for mounting on the wiper arm adapter 14.
- the two attachment extensions 32, 32' are arranged on opposite sides of the coupling unit 16.
- the two attachment projections 32, 32' are arranged in alignment along a longitudinal axis 34 of the pin element 18.
- the wiper arm adapter 14 has a cover element (not shown) which is pivotally connected to the pin element 18 .
- the cover element has two suspension recesses which lie opposite one another along the longitudinal axis 34 of the pin element 18 .
- the two hanging extensions 32, 32' are designed to be connected to the cover element, in particular to the two hanging recesses.
- the longitudinal axis 34 of the pin element 18 is perpendicular to the longitudinal axis 28 of the wiper rod 12 and/or to a longitudinal axis 36 of the wiper arm adapter 14, except for deviations of a maximum of 10°.
- FIGS. 2 and 3 show the coupling unit 16 in more detail.
- the coupling unit 16 delimits exactly one fluid channel 38.
- a coupling element 20 of the two coupling elements 20, 22 delimits part of the fluid channel 38.
- the fluid channel 38 is fluidically separated from a coupling element 22 of the two coupling elements 20, 22 educated.
- the fluid channel 38 is designed as a cavity in the coupling unit 16 .
- Exactly one coupling element 22 of the two coupling elements 20, 22 is solid, in particular free of cavities.
- the coupling unit 16 is designed, in particular manufactured, in two parts.
- the coupling unit 16 is originally designed as two separate parts, in particular as a coupling base body 40 and a channel cover 42 .
- the coupling base body 40 and the duct cover 42 are designed to be connected to one another with a material fit, for example by ultrasonic welding and/or by gluing.
- the coupling base body 40 and the channel cover 42 are materially connected to one another.
- the two coupling elements 20 , 22 are arranged on the coupling base body 40 .
- the fluid channel 38 in the coupling unit 16 is partially delimited by the coupling base body 40 and partially by the channel cover 42 .
- the channel cover 42 is arranged on a side of the coupling base body 40 facing away from the two coupling elements 20 , 22 , in particular connected to the coupling base body 40 .
- the channel cover 42 extends over at least 50% of a maximum extension of the fluid channel 38 along a longitudinal axis 44 of the fluid channel 38.
- the two coupling elements 20, 22 are designed to form a mechanical plug connection with the wiper blade 102, in particular the wiper blade adapter 108.
- a coupling element 20 of the two coupling elements 20, 22 limits the fluid channel 38 to a circular outer contour in a cross section perpendicular to a plug-in axis 46, 46' of the coupling element 20.
- the two coupling elements 20, 22 have parallel plug-in axes 46, 46'.
- the two coupling elements 20, 22 have a maximum extension along the plug-in axis 46, 46' of the two coupling elements 20, 22 for a mechanical plug-in connection, which is provided for at least half into one of the two coupling recesses 114, 114' on the wiper blade 102 to be plugged.
- the two coupling elements 20, 22 are designed as plug-in extensions.
- the two coupling elements 20, 22 are designed as cylindrical elements.
- the two coupling elements 20, 22 have a circular outer contour in a cross section perpendicular to the plug-in axis 46, 46' of the two coupling elements 20, 22.
- the two coupling elements 20, 22 have a smaller diameter at a respective free end 48, 48' of the two coupling elements 20, 22 than at a connecting end 50, 50' of the two coupling elements 20, 22.
- the two coupling elements 20, 22 each have two portions 54, 56, 54', 56' extending along the stub axle 46, 46' with a constant diameter.
- the two coupling elements 20, 22 each have a middle region 52, 52', which extends along the plug-in axle 46, 46', with a linearly varying diameter.
- the coupling unit 16 has a supply coupling element 60 .
- the supply coupling element 60 is designed to be connected to the fluid line 26 .
- the supply coupling element 60 has a connection direction 64 which is aligned perpendicularly to the connection directions 62, 62', in particular to the plug-in axes 46, 46', of the two coupling elements 20, 22 (cf. FIG. 3).
- the connection direction 64 of the supply coupling element 60 is aligned parallel to the longitudinal axis 28, 30, 110 of the wiper rod 12, the wiper arm device 10, the wiper arm adapter 14 and/or the wiper blade 102, with a maximum deviation of 10°.
- the connection direction 64 of the supply coupling element 60 is aligned perpendicular to the longitudinal axis 34 of the pin element 18 .
- the supply coupling element 60 is designed as an elongate plug-in extension, in particular as a connecting piece.
- the supply coupling element 60 is designed to be plugged into the fluid line 26, in particular into the hose element.
- the supply coupling element 60 is chamfered at a free end 58 of the supply coupling element 60 to form a blunt tip.
- the feed coupler 60 is tapered behind the blunt tip.
- the supply coupling element 60 has a maximum extension in the connection direction 64, in particular in the insertion direction, of the supply coupling element 60, which is at least as long as a maximum extension of the two coupling elements 20, 22 along the plug-in axes 46, 46' of the two coupling elements 20, 22.
- the supply coupling element 60 is fluidly connected to a coupling element 20 of the two coupling elements 20, 22.
- the supply coupling element 60 at least partially delimits the fluid channel 38.
- the supply coupling element 60 is designed for a fluidic connection to the fluid supply line unit 24.
- the supply coupling element 60 is arranged offset along a connection axis 66, which is aligned parallel to an imaginary shortest connecting straight line between the two coupling elements 20, 22, in relation to the coupling element 20 of the two coupling elements 20, 22, which is fluidically connected to the supply coupling element 60.
- the supply coupling element 60 is arranged along a connection axis 66, which is aligned parallel to an imaginary shortest connecting straight line between the two coupling elements 20, 22, and is not offset from the coupling element 22 of the two coupling elements 20, 22, which is purely mechanically connected to the supply coupling element 60 and which in particular no cavity is limited.
- the supply coupling element 60 is fluidically connected to the coupling element 20 of the two coupling elements 20, 22, which is arranged at a greater distance from the supply coupling element 60.
- the supply coupling element 60 is only mechanically connected to the coupling element 22 of the two coupling elements 20, 22, which is arranged closer to the supply coupling element 60.
- the fluid channel 38 is limited to an at least substantially S-shaped or 2-shaped course when viewed along the plug-in axes 46, 46 'of the two coupling elements 20, 22.
- the supply coupling element 60 partially delimits a region of the fluid channel 38, in which the Fluid channel 38 is formed angled by at least 45 °, in particular at right angles.
- the coupling element 20 of the two coupling elements 20, 22 delimits a part of the fluid channel 38, which has a rectilinear course.
- the coupling unit 16, in particular a fluid bridge element 74 of the coupling unit 16, delimited between the supply coupling element 60 and the coupling element 20, which in particular is fluidly connected to the supply coupling element 60 is, the fluid channel 38 on a curved, in particular rounded curved, in particular by 90 ° course.
- the coupling unit 16 has a bridge element 68 .
- the bridge element 68 connects the two coupling elements 20,22.
- the bridge element 68 is partially arranged between the two coupling elements 20,22.
- the bridge element 68 is designed as a solid element, in particular without cavities.
- the two coupling elements 20 , 22 are arranged at a distance from one another along the longitudinal axis 34 of the pin element 18 .
- the bridge element 68 extends along the longitudinal axis 34 of the pin element 18 between the two coupling elements 20, 22 from one coupling element 20, 22 to the other coupling element 20, 22.
- a longitudinal axis 72 of the bridge element 68 is parallel to the longitudinal axis 34 of the pin element 18.
- the Longitudinal axis 72 of bridge member 68 is parallel to connection axis 66.
- Bridge member 68 is configured differently from fluid bridge member 74.
- the coupling unit 16 has the fluid bridge element 74 .
- the wiper blade adapter 108 has a latching element 70 which is provided for receiving the bridging element 68 for a latching connection with the bridging element 68 (cf. FIG. 1).
- a fluid channel unit 116 which is arranged facing a free end of the pin element 18, of the two fluid channel units 116, 116' is fluidically connected to the coupling unit 16.
- the fluid channel unit 116 which is arranged facing a wiping side of the wiper blade 102, the wiping side being defined in particular in relation to a vehicle window on which the wiper system 100 is arranged, of the two fluid channel units 116, 116' of the wiper blade 102 is fluidic with the coupling unit 16 tied together.
- the wiping side is a side of the wiper blade 102 that faces the free end of the pin element 18.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022202184.3A DE102022202184A1 (de) | 2022-03-03 | 2022-03-03 | Wischarmvorrichtung und Wischersystem |
| PCT/EP2023/055172 WO2023166051A1 (de) | 2022-03-03 | 2023-03-01 | Wischarmvorrichtung und wischersystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4486604A1 true EP4486604A1 (de) | 2025-01-08 |
Family
ID=85505676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23709348.9A Pending EP4486604A1 (de) | 2022-03-03 | 2023-03-01 | Wischarmvorrichtung und wischersystem |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250170989A1 (de) |
| EP (1) | EP4486604A1 (de) |
| CN (1) | CN118829569A (de) |
| DE (1) | DE102022202184A1 (de) |
| WO (1) | WO2023166051A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018212055A1 (de) | 2018-07-19 | 2020-01-23 | Robert Bosch Gmbh | Wischervorrichtung |
| DE102019203686A1 (de) | 2019-03-19 | 2020-09-24 | Robert Bosch Gmbh | Scheibenwischeranordnung mit einer separaten Anschlusseinheit zum Herstellen einer elektrischen Verbindung |
| DE102019203715A1 (de) | 2019-03-19 | 2020-09-24 | Robert Bosch Gmbh | Scheibenwischeranordnung mit einer Adaptereinheit zum Herstellen von fluidleitenden und elektrischen Verbindungen |
| DE102019207610A1 (de) * | 2019-05-23 | 2020-11-26 | Robert Bosch Gmbh | Wischblattvorrichtung |
| DE102019208390A1 (de) * | 2019-06-07 | 2020-12-10 | Robert Bosch Gmbh | Scheibenwischervorrichtung |
| DE102019212235A1 (de) * | 2019-08-15 | 2021-02-18 | Robert Bosch Gmbh | Scheibenwischervorrichtung |
| DE102019217192A1 (de) * | 2019-11-07 | 2021-05-12 | Robert Bosch Gmbh | Wischblattadaptervorrichtung, Wischblatt mit der Wischblattadaptervorrichtung und Scheibenwischer mit dem Wischblatt |
| DE102020200344A1 (de) * | 2020-01-14 | 2021-07-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Wischblattvorrichtung |
-
2022
- 2022-03-03 DE DE102022202184.3A patent/DE102022202184A1/de active Pending
-
2023
- 2023-03-01 CN CN202380024704.XA patent/CN118829569A/zh active Pending
- 2023-03-01 WO PCT/EP2023/055172 patent/WO2023166051A1/de not_active Ceased
- 2023-03-01 EP EP23709348.9A patent/EP4486604A1/de active Pending
- 2023-03-01 US US18/834,401 patent/US20250170989A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20250170989A1 (en) | 2025-05-29 |
| DE102022202184A1 (de) | 2023-09-07 |
| WO2023166051A1 (de) | 2023-09-07 |
| CN118829569A (zh) | 2024-10-22 |
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