WO2014114333A1 - Dispositif d'entraînement de bras d'essuie-glace - Google Patents

Dispositif d'entraînement de bras d'essuie-glace Download PDF

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Publication number
WO2014114333A1
WO2014114333A1 PCT/EP2013/051282 EP2013051282W WO2014114333A1 WO 2014114333 A1 WO2014114333 A1 WO 2014114333A1 EP 2013051282 W EP2013051282 W EP 2013051282W WO 2014114333 A1 WO2014114333 A1 WO 2014114333A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive device
body panel
lever
recess
receptacle
Prior art date
Application number
PCT/EP2013/051282
Other languages
German (de)
English (en)
Inventor
Michael Reith
Roland Bohn
Orlando Sterns
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to PCT/EP2013/051282 priority Critical patent/WO2014114333A1/fr
Priority to EP13701987.3A priority patent/EP2948345A1/fr
Publication of WO2014114333A1 publication Critical patent/WO2014114333A1/fr

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
    • B60S1/043—Attachment of the wiper assembly to the vehicle
    • B60S1/0441—Attachment of the wiper assembly to the vehicle characterised by the attachment means
    • B60S1/0447—Attachment of the wiper assembly to the vehicle characterised by the attachment means non-screw fixation, (e.g. snap-in, bayonnet-type..)
    • 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
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B60S1/58—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows
    • B60S1/583—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows including wiping devices

Definitions

  • the invention relates to a drive device for a wiper arm.
  • the invention relates to the attachment of a drive device to a motor vehicle.
  • a wiper system is used to clean a disc of a motor vehicle from moisture and dirt.
  • the wiper system comprises a wiper arm, at one end of a wiper blade is fixed and the other end is rotatably mounted on a rotation axis.
  • a drive means drives the wiper arm in a wiping motion about the axis of rotation and thus guides the wiper blade in an oscillating movement over the disk.
  • Such a wiper system can be used for example on a windscreen or a rear window of a motor vehicle.
  • the drive means usually comprises an electric motor, a transmission and an output shaft, which is provided together with a housing with fastening elements as a separate unit to handle.
  • fastening elements may be formed on the drive device for engagement with a body panel of the motor vehicle.
  • the body panel has a first and a second recess into which a
  • Output shaft and an engagement element of the drive device can be used.
  • a rotation of the drive means about an axis of rotation of the drive shaft a portion of the body panel engages with a U-shaped receptacle of the engagement member.
  • a third recess in the housing is provided.
  • rosserieblech provided into which an axially movable lever engages upon reaching the receiving position of the body panel. This locking device is formed integrally with the U-shaped receptacle, so that the lever is inaccessible after the attachment of the drive means to the body panel.
  • the object of the invention is to provide a drive device whose assembly and disassembly is possible on a motor vehicle without the use of special tools.
  • the invention solves this problem by means of a
  • An inventive drive device for a wiper arm on a motor vehicle comprises an output shaft for insertion into a first recess in a body panel of the motor vehicle, an engagement element for insertion into a second recess in the body panel, wherein the engagement element is a U-shaped receptacle for a portion of Body sheet in the
  • Area of the second recess comprises, and a locking element to prevent slipping out of the body panel from the receptacle or a release of the body panel by the recording.
  • the latching element comprises a lever which supports the latching element against a boundary of the second recess.
  • the second recess is filled only to a small extent by the engagement element.
  • the lever which is now in the second recess, can therefore be easily accessible, so that an axial deflection of the lever with a conventional tool, such as a screwdriver, can be brought about.
  • a conventional tool such as a screwdriver
  • the drive means can be moved or rotated to remove the receptacle from the body panel, so that the drive means can be removed in the axial direction.
  • the lever can be so easily accessible that it can also be deflected without tools in the axial direction.
  • the lever is elastic in the axial direction and dimensioned so that it engages in the second recess when the body panel is inserted sufficiently far into the receptacle.
  • the locking element can self-locking fasten the drive device to the body panel in this way.
  • the lever has at its end an axial projection to rest against the boundary.
  • a traction between the body panel and the lever can be improved.
  • the axial projection can also be used to define a position in which the lever has to be moved in order to disassemble the drive device. The size of the projection can thus be selected depending on a desired attachment quality.
  • the drive means comprises a projection which is separated from the lever by a predetermined gap to axially support a lever tool for actuating the lever.
  • a lever tool one of a variety of common tools can be used, which are used during assembly or disassembly of the drive device to the motor vehicle usual way.
  • the drive means may further comprise a stop member for limiting an axial travel of the drive means upon insertion into the recesses of the body panel. The assembly of the drive means on the body panel may be facilitated.
  • the lever is formed on the stop element.
  • a space-saving arrangement of the stop element and the lever can be found.
  • contact surfaces of the stop element are formed in a plane of rotation about the drive shaft on both sides of the lever.
  • the lever may be protected by the remaining portions of the stop member so that inadvertent or excessive deflection of the lever can be prevented.
  • the lever can be protected in this way, in particular during handling of the drive device against breakage.
  • a sliding plate is provided for lining the receptacle.
  • the sliding plate can improve a frictional connection between the receptacle and the body panel. Since the locking element is formed elsewhere in the drive device, the sliding plate can be produced easily and inexpensively.
  • At least two engagement elements are provided with different positions with respect to the output shaft.
  • the position of the drive device on the body panel may already be sufficiently defined by the two engagement elements and the output shaft.
  • the drive device comprises an additional fastening device for axial attachment to the body panel.
  • This fastening device may in particular comprise a screw, a rivet or a bolt.
  • the drive device can be better supported and secured on the body panel.
  • FIG. 1 shows a drive device for a wiper arm on a motor vehicle
  • FIG. 2 shows a detail of the drive device from FIG. 1
  • FIG. 1 shows a drive device for a wiper arm on a motor vehicle
  • FIG. 3 shows a latching element on the drive device from FIG. 1;
  • FIG. 4 shows a further latching element based on that of FIG. 3;
  • FIG 5 shows the locking element of Figure 3 in another embodiment. represents.
  • FIG. 1 shows a drive device 100 for a wiper arm 105 on a motor vehicle.
  • the drive device 100 comprises an output shaft 1 10 which is adapted to be connected to one end of the wiper arm 105 and to be rotated back and forth in a rotational movement about a rotation axis 15.
  • a wiper blade 120 may be attached, which can be guided by the oscillating pivoting movement of the wiper arm 105 via a viewing window, in particular a rear window of the motor vehicle.
  • the drive device 100 comprises an electric motor 125, a gearbox 130 and a housing 135.
  • the gearbox 130 is configured to convert a rotational movement of the electric motor 125 into a pivoting movement of the output shaft 110 about the axis of rotation 15.
  • the housing 135 receives the gear 130 and supports the output shaft 1 10.
  • the electric motor 125 is flanged to the housing 135.
  • the housing 135 can be produced by casting or injection molding.
  • the housing 135 is made of plastic.
  • a first arm 140 and a second arm 145 are formed, at the ends of which in each case an engagement element 150 is arranged.
  • the two engagement elements 150 are exemplarily at different rotational and radial positions with respect to the output shaft 1 10 and the rotation axis 1 15.
  • the output shaft 1 10 are inserted into the first recess 160 and the two engagement members 150 in the second recesses 165 from below.
  • the drive device 100 is rotated counterclockwise around the rotation axis 15 in order to introduce sections of the body panel 155 into U-shaped receptacles 170 of the engagement elements 150.
  • the direction of rotation about the rotation axis 15 can be reversed or a rotation about another axis of rotation can be performed.
  • a displacement is performed along the surface of the body panel 155.
  • the drive device 100 by means of a screw or a bolt in the axial direction by a further fastening means 175 of the drive means 100 to the body panel 155 are further attached.
  • the attachment means 175 includes an elastic member 180 for decoupling vibrations between the housing 135 and the screw or bolt.
  • FIG. 2 shows a detail of the drive device 100 from FIG. 1. Shown is a section of the engagement element 150 corresponding to the perspective A-A, which is shown in FIG.
  • the U-shaped receptacle 170 is lined by a sliding plate 205.
  • the sliding plate 205 has no latching elements, which can prevent slipping out of the body panel 155 from the U-shaped receptacle 170 to the right. Instead, the sliding out is prevented by means of a lever which will be described in more detail with reference to the following figures.
  • FIG. 3 shows a latching element on the drive device 100 from FIG. 1. Shown is the second arm 145 with the engagement element 150 and a section of the body panel 155.
  • the engagement element 150 is inserted from above into the second recess 165 of the body panel 155 and then displaced or displaced ., that a portion of the body panel 155 is received in the U-shaped receptacle 170 of the engagement member 150.
  • a lever 305 which is attached to the second arm 145 or to another position of the housing 135, is supported in its direction of extent at a boundary of the second recess 165 in such a way that the body panel 155 is prevented from sliding out of the receptacle 170. This extends the Lever 305 preferably parallel to the direction of movement for insertion or removal of the body panel 155 from the receptacle 170th
  • the lever 305 has a projection 310, which extends in the axial direction, that is perpendicular to the extension direction of the body panel 155.
  • an abutment element 315 is optionally provided which limits the insertion movement.
  • the lever 305 and the stopper member 315 are juxtaposed and separated by a gap 320.
  • an elongated tool may be inserted into the gap 320 and used to lift the lever 305.
  • the lever 305 is preferably made of an elastic material. Alternatively, a spring element may be provided to hold the lever 305 in the illustrated, locking position.
  • FIG. 4 shows a further latching element in accordance with FIG. 3.
  • the engagement element 150 can be seen on the first arm 140 of the drive device 100 in FIG.
  • a portion of the body panel 155 is received in the U-shaped recess 170 of the engagement member 150 and the lever 305 is in the locking position.
  • FIG. 5 shows the latching element from FIG. 3 in another embodiment.
  • the lever 305 is disposed between two portions of the stopper member 315. With reference to the embodiment shown in Figure 3, the lever 305 is machined from the stop member 315.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un dispositif d'entraînement (100) d'un bras d'essuie-glace d'un véhicule automobile, comprenant un arbre de sortie (110) destiné à être placé dans un premier évidement (160) d'une tôle de carrosserie (155) du véhicule automobile, un élément d'engagement (150) destiné à être placé dans un second évidement (165) de la tôle de la carrosserie, l'élément d'engagement (150) comprenant un logement en forme de U (170) destiné à recevoir une portion de la tôle de carrosserie (155) au niveau du second évidement (165), et un élément d'encliquetage (305) servant à empêcher la tôle de carrosserie de glisser hors du logement (170) ou de s'en détacher. Selon l'invention, l'élément d'encliquetage comprend un levier (305) qui appuie l'élément d'encliquetage contre une butée de limitation du second évidement (165).
PCT/EP2013/051282 2013-01-24 2013-01-24 Dispositif d'entraînement de bras d'essuie-glace WO2014114333A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2013/051282 WO2014114333A1 (fr) 2013-01-24 2013-01-24 Dispositif d'entraînement de bras d'essuie-glace
EP13701987.3A EP2948345A1 (fr) 2013-01-24 2013-01-24 Dispositif d'entraînement de bras d'essuie-glace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/051282 WO2014114333A1 (fr) 2013-01-24 2013-01-24 Dispositif d'entraînement de bras d'essuie-glace

Publications (1)

Publication Number Publication Date
WO2014114333A1 true WO2014114333A1 (fr) 2014-07-31

Family

ID=47630308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/051282 WO2014114333A1 (fr) 2013-01-24 2013-01-24 Dispositif d'entraînement de bras d'essuie-glace

Country Status (2)

Country Link
EP (1) EP2948345A1 (fr)
WO (1) WO2014114333A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105015492A (zh) * 2015-08-13 2015-11-04 神龙汽车有限公司 一种可快速安装的新型后雨刮电机总成

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853606A1 (fr) * 2003-04-11 2004-10-15 Valeo Systemes Dessuyage Procede et agencement pour l'assemblage par succession de deux mouvements selon une direction longitudinale
WO2005097564A1 (fr) * 2004-04-06 2005-10-20 Robert Bosch Gmbh Systeme d'essuie-glace, notamment pour vehicule automobile
FR2887830A1 (fr) * 2005-06-29 2007-01-05 Valeo Systemes Dessuyage Fixation d'un mecanisme d'entrainement d'un dispositif d'essuyage sur un element de structure de caisse
DE102010028610A1 (de) * 2010-05-05 2011-11-10 Robert Bosch Gmbh Wischermotor mit Entkopplungselement und Entkopplungselement
WO2012079897A1 (fr) * 2010-12-15 2012-06-21 Robert Bosch Gmbh Dispositif d'essuie-glace pour un véhicule automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2853606A1 (fr) * 2003-04-11 2004-10-15 Valeo Systemes Dessuyage Procede et agencement pour l'assemblage par succession de deux mouvements selon une direction longitudinale
WO2005097564A1 (fr) * 2004-04-06 2005-10-20 Robert Bosch Gmbh Systeme d'essuie-glace, notamment pour vehicule automobile
FR2887830A1 (fr) * 2005-06-29 2007-01-05 Valeo Systemes Dessuyage Fixation d'un mecanisme d'entrainement d'un dispositif d'essuyage sur un element de structure de caisse
DE102010028610A1 (de) * 2010-05-05 2011-11-10 Robert Bosch Gmbh Wischermotor mit Entkopplungselement und Entkopplungselement
WO2012079897A1 (fr) * 2010-12-15 2012-06-21 Robert Bosch Gmbh Dispositif d'essuie-glace pour un véhicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105015492A (zh) * 2015-08-13 2015-11-04 神龙汽车有限公司 一种可快速安装的新型后雨刮电机总成

Also Published As

Publication number Publication date
EP2948345A1 (fr) 2015-12-02

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