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
  • B60S1/4067—Connections between blades and arms for arms provided with a 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
  • B60S1/04—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
  • B60S1/3865—Connectors having an integral pivot pin for connection with the wiper arm
  • B60S1/3868—Connectors having an integral pivot pin for connection with the wiper arm pin formed on the exterior of side walls
• • 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
  • B60S1/4045—Connections between blades and arms for arms provided with a channel-shaped end comprising a detachable intermediate element mounted on the channel-shaped end
  • B60S1/4048—Connections between blades and arms for arms provided with a channel-shaped end comprising a detachable intermediate element mounted on the channel-shaped end the element being provided with retention means co-operating with the channel-shaped end of the arm
• • 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
  • B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
  • B60S1/381—Spoilers mounted on the squeegee or on the vertebra
• • 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
  • B60S1/3851—Mounting of connector to blade assembly
  • B60S1/3856—Gripping the blade

Definitions

• the invention is based on a device for the articulated connection of a wiper blade in flat-beam construction with a wiper arm according to the preamble of claim 1.
• a connecting element in the form of a sheet metal claw has a central longitudinal web, which points away from the support member of the sheet, and in which a transverse bearing pin is inserted rotationally fixed.
• an adapter with bearing openings is pivotally mounted, which are arranged in lateral spring tongues.
• the adapter which is made of plastic, comprises the sheet metal claw from the outside and is clipped by means of locking elements and retaining elements in the open towards the wiper blade connecting element, which is firmly connected to the wiper arm.
• the adapter is guided on the one hand by inner guide webs laterally on the longitudinal web of the sheet metal claw and used on the other hand on its side walls without play in the connecting element.
• a similar device is shown in WO 02/40328 A1. It comprises a connecting element in the form of a sheet metal claw, an adapter made of plastic and a connecting element firmly connected to the wiper arm.
• the connecting element is attached to a support element of the wiper blade in the form of two parallel spring rails by means of claws and / or by welding. It has a U-shaped cross-sectional profile, starting from a support element adjacent bottom part side walls are bent away at about 90 ° from the support element. In the side walls openings are provided, in which a bearing pin is inserted rotatably.
• the adapter which is guided laterally between the side walls of the connecting element, mounted pivotably with a hub.
• the filler fills the cavity between the adapter and the end of the Wscharms designed as a wiper rod and has a level analogous to the stage of the connecting element.
• the filler serves to deflect the water flowing along the Wscharm at some distance from the device to the vehicle window.
• the hub on the bearing pin facing side over its entire length has a mounting channel, wherein the clearance between the hub and the bearing pin is dimensioned so that moments about a vertical axis of the wiper blade exclusively on the bearing pin and the hub on the adapter and vice versa.
• the bearing surfaces of the hub and the bearing pin can be produced very easily and with very little effort and with good sliding properties, so that for the guidance of the blade the same high-quality surfaces are available as for storage.
• the friction in the device is reduced, so that the blade can easily and wear-free adapt to the different conditions during the movement.
• the stability of the open hub is improved according to an embodiment of the invention by ribs on the outer sides of the side parts of the adapter, which extend radially to the hub and radially support them. It is tectic that some ribs face each other in pairs and form an angle of about 90 ° to other ribs. Nevertheless, in order to achieve easy assembly by a sufficient compliance of the hub, when the bearing pin is clipped into the hub during assembly through the mounting channel, the adapter according to a further embodiment of the invention on the opposite side of the mounting channel of the hub has a transverse to the longitudinal direction and recess parallel to the open hub, open to the top wall across the entire width of the adapter and extending over a peripheral region of the hub covering up to 90 ° of the circumference. It can be advantageously arranged between two adjacent radial ribs.
• connection element is a sheet metal claw on the side facing away from the wiper strip has a longitudinal web on which a bearing pin of metal protrudes as a bearing element on both sides and in the mounted state in a longitudinal gap of the adapter engages with so much play that a torque is transmitted to the vertical axis of the connecting element to the adapter via the bearing pin and the hub.
• the connecting element has a receiving part with a U-shaped cross section, in which the adapter is inserted from the open end facing the outer end of the sheet until its end rests against a corresponding stop edge of the front end wall of the adapter and a spring button on the top wall of the adapter engages in a corresponding opening in the receiving part of the adapter.
• the spring button is connected to a rear end wall of the adapter via a parallel guide having two parallel to each other in the longitudinal direction to the outer end of the wiper blade extending spring leaves, wherein the front part of the spring button and the parallel guide are housed in a recess of the top wall. When you press the spring button this moves on a straight line and not as usual on a circular arc.
• a nose pointing in the longitudinal direction is provided on the side of the front end wall of the adapter facing the outer end of the wiper blade. Through the nose, the turbulence of the air is prevented and directed the water in the longitudinal direction of the sheet.
• a same Wrkung is at a connecting element, the receiving part via a bend laterally offset parallel to the connection part and the offset between the receiving part and the connecting part forms a longitudinally extending step, achieved in that on the rear end wall of the adapter, a filler is formed, which fits into the dead space of the connecting element adjacent to the step.
• FIG. 1 is a side view of an adapter of a device according to the invention
• FIG. 2 is a perspective view of an adapter of FIG. 1 from above
• FIG. 3 is a perspective view of an adapter of FIG. 2 from below
• Fig. 4 is a perspective view of an adapter according to Fig. 2 in a tilted position
• Fig. 5 is a partial perspective view of a wiper blade with a connection element
• FIG. 6 is a perspective view of a device according to the invention on a
• Fig. 7 is a perspective view of a connecting element with a
• Fig. 8. shows a schematic longitudinal section parallel to a support member by a
• a blade 10 includes a wiper strip 12, which is held by a support member 14 in the form of two concave pre-curved spring rails to the squeegee 12.
• the support element 14 is embedded in lateral longitudinal grooves of the sash 12.
• a connecting element 16 in the form of a sheet claw is fastened or welded on the support element 14 by means of claws 24.
• spoiler parts 26 are mounted on the support member 14.
• the wiper blade 10 is connected in an articulated manner to a wiper arm 28 by means of a device.
• the device comprises the connecting element 16, an adapter 44 and a connecting element 30 which is fixedly connected to the wiper arm 28.
• the connecting element 16 in the embodiment according to FIG. 5 has a base part 22 which carries a longitudinal web 18 on the side facing away from the wadding strip 12.
• a bearing pin 20 is inserted transversely to the longitudinal direction, which protrudes on both sides of the longitudinal web 18 a piece far.
• the claws 24 are laterally formed, which include the support member 14 laterally.
• the adapter 44 has two side parts 46, which are interconnected by a front end wall 64, a rear end wall 70, a top wall 52 and a bottom 60. Further it has a hub 54 which extends over the entire width of the adapter 44 and on the wiper strip 12 side facing a parallel to the hub 54 extending mounting channel 56 has. This tapers to the hub 54 to a shortest before the bearing surface of the hub 54 closest point 58. During assembly of the bearing pin 20 is clipped by the mounting channel 56 and the narrowest point 58 into the hub 54. The narrowest point 58 gives way elastically.
• the adapter 44 on the side remote from the mounting channel 56 side has a parallel to the hub 54 extending recess 84 which is open to the top wall 52 out.
• the side parts 46 are reinforced on their outer sides by ribs 48, 50.
• the ribs 48, 50 extend radially to the hub 54, the ribs 48 facing each other and the ribs 50 with the ribs 48 form an angle up to 90 °.
• the recess 84 lies between two adjacent ribs 48, 50 and comprises the hub 54 in a circumferential region up to 90 °.
• the bearing clearance 84 between the bearing pin 20 and the hub 54 in relation to the play 92 between the longitudinal web 18 and the longitudinal gap 80 is dimensioned such that the torques M H about the vertical axis 88 exclusively via the contact surfaces between the hub 54 and the bearing pin 20th be transmitted.
• the bottom 60 is offset on this side of the hub 54 a piece to the top wall 52 out.
• the connecting element 30 has for the adapter 44 a receiving part 34, which is connected via a lateral offset 32 with a parallel offset connecting part 36. This can be firmly connected by form fit, adhesion or material bond with the wiper arm 28, z. B.
• the receiving part 34 has a cross-sectionally U-shaped profile which is open to the outer end of the wiper blade 10.
• the adapter 44 is pushed from the open side into the receiving part 34 until a stop edge 68 rests against the front end wall 64 of the adapter 44 on the end face 42 of the receiving part 34 and a spring button 76 of the adapter 44 engages in an opening 40 of the receiving part 34 ,
• the spring button 76 is housed in part in a recess 74 of the top wall 52 and secured via a parallel guide 78 in the form of two parallel spring leaves on the rear end wall 70 of the adapter.
• the key 76 does not move on a circular arc, but on a straight line perpendicular to the outside of the top wall 52, so that a precise tolerance between the stop edge 68 and the key 76 can be maintained.
• the adapter 44 is held by the wiper strip 12 facing side of the receiving part 34 by guide angles 86 which are angled inwardly from the side walls of the receiving part 34 and in the assembled state expediently extend in the longitudinal direction over the mounting channel 56.
• the bottom 60 of the adapter 44 has smooth surfaces 62 which cover the cavities of the adapter 44 to the outside and thus prevent water can accumulate in these cavities. It also prevents Wrbel from forming in these areas, which could cause noise.
• the same purpose is a filler 72 which is integrally formed on the rear end wall 70 of the adapter 44 and in the assembled state fills a dead space of the receiving part 34.
• the filler 72 can also be designed so that it still protrudes a little way into the connection part 36.
• a nose 66 is provided facing the outer end of the wiper blade 10.
• the flow in the region of the device is directed in the longitudinal direction of the blade 10, whereby vortices are suppressed on the outside of the front end wall 64, so that during operation, in particular during the downward movement of the blade 10, prevents droplets on the back of the sheet 10 are sprayed onto the vehicle window.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Pivots And Pivotal Connections (AREA)
• Body Structure For Vehicles (AREA)
• Nozzles For Electric Vacuum Cleaners (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=46510726

Family Applications (1)

Country Status (7)

Families Citing this family (6)

Family Cites Families (11)

• 2011
  • 2011-02-09 DE DE102011003838.8A patent/DE102011003838B4/de active Active
  • 2011-12-27 RU RU2013139224/11A patent/RU2013139224A/ru not_active Application Discontinuation
  • 2011-12-27 EP EP11802441.3A patent/EP2668072A1/fr not_active Withdrawn
  • 2011-12-27 CN CN201180065859.5A patent/CN103313884B/zh active Active
  • 2011-12-27 WO PCT/EP2011/074109 patent/WO2012100896A1/fr active Application Filing
  • 2011-12-27 US US13/981,315 patent/US20130298347A1/en not_active Abandoned
  • 2011-12-27 BR BR112013018169A patent/BR112013018169A2/pt not_active Application Discontinuation

Non-Patent Citations (1)

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