WO2019141384A1 - Appareil de nettoyage - Google Patents

Appareil de nettoyage Download PDF

Info

Publication number
WO2019141384A1
WO2019141384A1 PCT/EP2018/051470 EP2018051470W WO2019141384A1 WO 2019141384 A1 WO2019141384 A1 WO 2019141384A1 EP 2018051470 W EP2018051470 W EP 2018051470W WO 2019141384 A1 WO2019141384 A1 WO 2019141384A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning device
cleaning
output shaft
lever
cleaning head
Prior art date
Application number
PCT/EP2018/051470
Other languages
German (de)
English (en)
Inventor
Thomas Fiack
Original Assignee
Alfred Kärcher SE & Co. KG
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 Alfred Kärcher SE & Co. KG filed Critical Alfred Kärcher SE & Co. KG
Priority to PCT/EP2018/051470 priority Critical patent/WO2019141384A1/fr
Publication of WO2019141384A1 publication Critical patent/WO2019141384A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A46B13/04—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances
    • A46B13/06—Brushes with driven brush bodies or carriers power-driven carriers with reservoir or other means for supplying substances with brush driven by the supplied medium
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/008—Disc-shaped brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3046—Brushes for cleaning cars or parts thereof

Definitions

  • the invention relates to a cleaning device for cleaning an object, in particular a motor vehicle, having a drive part and an exchangeable cleaning head, wherein the drive part has a turbine wheel, which can be acted upon by pressurized cleaning fluid and which is coupled via a transmission to an output shaft, and wherein the cleaning head with the output shaft rotatably and releasably connected and the turbine wheel supplied cleaning liquid can be applied to the object to be cleaned.
  • a drive part comprises a turbine wheel, which is acted upon by pressurized cleaning fluid and which is coupled via a transmission with an output shaft.
  • a cleaning head is rotatably and releasably connected to the output shaft and thus can be driven in rotation by the drive part.
  • the cleaning liquid supplied to the turbine wheel can be applied to the object to be cleaned.
  • an object in particular a motor vehicle, can be cleaned.
  • a cleaning liquid preferably water, which is conveniently mixed with a cleaning chemical, can be applied to the object to be cleaned, and at the same time the article can be mechanically cleaned by means of the rotatable cleaning head.
  • Such cleaning devices are used, in particular, as accessories for high-pressure cleaning devices, with the aid of which the cleaning fluid can be pressurized.
  • the pressurized cleaning fluid can be supplied to the cleaning device via a pressure line, preferably a pressure hose.
  • a pressure line preferably a pressure hose.
  • the cleaning head is subject to wear. It is therefore advantageous if the cleaning head can be replaced.
  • US Pat. No. 4,461,052 proposes a cleaning device of the type mentioned in the introduction, in which the cleaning head is held interchangeably on the output shaft by means of a connecting screw.
  • the connecting screw is surrounded by bristles of the cleaning head and therefore not easily recognizable by the user. When loosening the connection screw, there is a risk of the user coming in contact with the dirt area of the cleaning head. To release the connecting screw, the user requires a tool.
  • Object of the present invention is therefore to develop a cleaning device of the type mentioned above such that the cleaning head can be solved in a simpler manner by the output shaft.
  • a cleaning device of the aforementioned type according to the invention in that the cleaning device has a release mechanism operable by the user for releasing the rotationally fixed connection between the output shaft and the cleaning head.
  • the user If the user wishes to replace the cleaning head, he can actuate the release mechanism in the inventive cleaning device. This has the consequence that the rotationally fixed connection between the output shaft and the cleaning head is released. A special tool for releasing the connection between the output shaft and the cleaning head can thus be omitted, and the user does not necessarily come into contact with the dirt area of the cleaning head when he replaces the cleaning head.
  • the cleaning device has at least one locking element for fixing the cleaning head to the output shaft, wherein the locking element is movable by actuating the release mechanism from a locking position into a release position.
  • the cleaning head can be attached to the output shaft. set wave.
  • the at least one locking element has a release position and a locking position. In the release position, the cleaning head can be separated from the output shaft, and in the locking position, it locks the cleaning head to the output shaft.
  • the at least one locking element is movable from its locking position into its release position, so that subsequently the cleaning head, for example under the action of gravity, can be separated from the output shaft.
  • the at least one locking element is held on the drive part of the cleaning device.
  • the at least one locking element is arranged on the cleaning head.
  • the at least one locking element is configured as a latching element, which can be moved into a release position by actuating the release mechanism counter to a spring-elastic restoring force from the locking position, namely a latching position.
  • the cleaning head is connected to the output shaft via a latching connection, and the latching connection can be released by actuating the release mechanism.
  • the at least one latching element which is movable into a release position by means of the release mechanism, is preferably designed as a latching hook.
  • the latching hook consists of an elastically deformable material, in particular of an elastically deformable plastic material.
  • the latching hook can be deformed so far that it releases the latching connection between the cleaning head and the output shaft.
  • the output shaft has, in an advantageous embodiment of the invention, a latching receptacle into which the latching element is immersed in the detent position.
  • the latching receptacle is preferably designed as an annular groove, which extends in the circumferential direction at least over a partial region of the output shaft.
  • catch hooks which are preferably uniformly distributed over the circumference of the driven shaft, are inserted into the annular groove and can be moved out of their locking position into their release position by actuating the release mechanism.
  • the cleaning head can be acted upon by actuating the release mechanism with a release force facing away from the drive part. This makes it possible to separate the cleaning head under the action of the release force of the output shaft, wherein the cleaning head is moved in the direction away from the drive part.
  • the release force is aligned coaxially to the axis of rotation of the output shaft. As a result, a tilting of the cleaning head when releasing from the output shaft can be avoided and the cleaning head can be moved relative to the output shaft in the axial direction.
  • the release mechanism comprises a user-operable actuator, which is coupled to a Kraftbeetzhausungselement, wherein the cleaning head is acted upon by the Kraftbeaufschlagungselement with the release force.
  • the actuating element can be arranged easily recognizable and easily accessible on the cleaning device. This facilitates the handling of the cleaning device.
  • the force-applying element is preferably connected to the actuating element via at least one force-transmitting element.
  • the force-applying element is rigidly connected to the actuating element. This allows a simple way to transmit a force exerted by the user on the actuating element operating force on the Kraftbeetzstoffselement.
  • the force-applying element is integrally connected to the actuating element.
  • the force-applying element in combination with the actuating element forms a one-part component, in particular a one-part plastic molded part.
  • the force-applying element has an annular design and has a force application surface which bears against an upper side of the cleaning head facing the drive part.
  • the cleaning head has a support plate, on whose side facing away from the drive part, a cleaning stock is arranged and which has a receiving element which rotatably receives a portion of the output shaft, wherein the force-absorbing element surrounds the receiving element in the circumferential direction.
  • the section of the output shaft received by the receiving element can For example, have a lateral flattening, which rests on a flat inner wall portion of the receiving element in the axial direction slidably.
  • the cleaning pad may in particular have a plurality of cleaning bristles.
  • the cleaning pad is designed, for example, as a wiper pad or, for example, in the form of a cleaning sponge.
  • the release mechanism has a lever arranged between the drive part and the cleaning head with a first lever end and a second lever end, wherein the force application element is arranged on the lever. Via the lever, an actuating force exerted by the user can be transmitted to the force-applying element.
  • the first end of the lever is fixed in an advantageous embodiment of the invention on the drive part.
  • the determination of the first end of the lever on the drive part can be done for example by means of a screw connection.
  • the lever preferably has an elastically bendable lever section between the first lever end and the force-absorbing element.
  • the lever By actuating the release mechanism, the lever can be elastically bent in its lever section arranged between the first lever end and the force-applying element, the cleaning head being acted upon by the force-applying element with a release force facing away from the drive part, under the action of which the cleaning head is driven by the output shaft solves.
  • the actuator is conveniently located at the second end of the lever.
  • the lever has a rigid lever section between the second lever end and the force-applying element.
  • Figure 1 a plan view of an inventive cleaning device
  • FIG. 2 a sectional view of the cleaning device along the line 2-2 in FIG
  • FIG. 1 A first figure.
  • FIG. 3 a sectional view of the cleaning device along the line 3-3 in FIG
  • FIG. 1 A first figure.
  • FIG. 4 shows a plan view of the cleaning device from FIG. 1, with a housing upper part being hidden.
  • the cleaning device 10 is designed in the embodiment shown as a washing brush.
  • the cleaning device 10 has a drive part 12, from which a handle 14 projects laterally and on the underside of a cleaning head 16 is rotatably supported.
  • the drive part 12 has a housing 18 with an upper housing part 20 and a lower housing part 22.
  • the upper housing part 20 is designed in the manner of a hood.
  • the lower housing part 22 is configured essentially in the manner of a base plate which has a central bottom opening 24 and a plurality of openings, not shown in the drawing to achieve a better overview, arranged offset to the central floor opening 24.
  • the housing 18 surrounds a drive space 26, in which a turbine wheel 28, a first gear 30 and a second gear 32 are rotatably mounted.
  • the handle 14 has a longitudinal channel 34, which dips into the drive chamber 26 and carries an outlet nozzle 36 at its end immersed in the drive chamber 26.
  • the handle 14 carries a connection part 38 for connecting a pressure line (not shown in the drawing), in particular a pressure hose, via which cleaning fluid under pressure can be supplied to the cleaning device 10.
  • a pressure line (not shown in the drawing), in particular a pressure hose, via which cleaning fluid under pressure can be supplied to the cleaning device 10.
  • the pressurized cleaning liquid flows through the longitudinal channel 34 and is directed via the outlet nozzle 36 onto turbine blades 40 of the turbine wheel 28, so that the turbine wheel 28 is rotated under the action of the pressurized cleaning liquid.
  • the turbine wheel 28 centrally carries a first pinion 42, which meshes with the first gear 30, which in turn centrally carries a second pinion on its underside which meshes with the second gear 32.
  • the second gear 32 carries on its underside centrally an output shaft 46, which passes through the central bottom opening 24 of the lower housing part 22 and thus protrudes from the housing 18.
  • the two gears 30, 32 in combination with the two pinions 42, 44, a gear 48, via which the turbine wheel 28 is coupled to the output shaft 46.
  • the cleaning head 16 has a support plate 50 which carries a plurality of bristles 52 on its underside facing away from the drive part 12.
  • the support plate 50 has centrally a through opening 54 which is surrounded by an annular collar 56.
  • the annular collar 56 protrudes from an upper side 57 of the support plate, which faces the drive part 12, and forms a receiving element, which is penetrated by the output shaft 46.
  • a plurality of locking elements in the form of latching hooks adjoin the annular collar 56, wherein only two latching hooks 58, 60 are shown in the drawing.
  • the latching hooks are surrounded at a uniform distance from each other by the output shaft 46, which has an annular groove 62 in its end region projecting from the annular collar 56 on its underside.
  • the annular groove 62 extends in the circumferential direction at least over a partial region of the output shaft 46.
  • the latching hooks 58, 60 engage in the annular groove 62 when they assume their locking position, that is to say their detent position.
  • the annular groove 62 has a cylindrical groove bottom and two obliquely outwardly facing groove walls which adjoin the groove bottom.
  • the output shaft 46 is rotatably held in the annular collar 56.
  • the output shaft 46 at the level of the annular collar 56, has a lateral flattening 63, which abuts in a slidable manner on a flat inner wall section of the annular collar 56 in the axial direction.
  • the cleaning device 10 has a release mechanism 66, which is configured in the illustrated embodiment as a one-piece plastic molding and with the exception of an actuating element 68 in the intermediate is arranged between the housing base 22 of the drive part 12 and the support plate 50 of the cleaning head 16.
  • the release mechanism 66 has a lever 70 with a first lever end 72 which is screwed to the housing lower part 22, and with a second lever end 74, which is followed by the laterally projecting from the intermediate space between the housing base 22 and the support plate 50 actuator 68.
  • the lever 70 forms in a central region an annular Kraftbeier- schlagungselement 76, which is connected via an elastically bendable lever portion 78 with the first lever end 72 and a rigid lever portion 80 with the second lever end 74.
  • the force-applying element 76 surrounds the annular collar 56 of the support plate 50 in the circumferential direction and rests with an annular Kraftbeaufschla- area 82 on the drive part 12 facing upper side 57 of the support plate 50 at.
  • the actuating element 68 can be actuated by the user by being pressed down by the user, that is to say in the direction of the cleaning head 16.
  • the cleaning head 16 is deflected by the central force-applying element 76 with a drive part 12. turned, in the illustrated embodiment coaxially to the longitudinal axis 84 of the output shaft 46 aligned release force is applied.
  • This has the consequence that the cleaning head 16 moves away in the axial direction from the drive part 12, wherein the latching hooks 58, 60 slide along one of the obliquely oriented groove walls of the annular groove 62 and thus starting from their locking tismeswolf (locking position) are moved to a release position in which they release the latching connection between the cleaning head 16 and the output shaft 46. Under the action of gravity, the cleaning head 16 can then be completely detached from the drive part 12.
  • the turbine wheel 28 can be acted upon by the longitudinal channel 34 and the outlet nozzle 36 with pressurized cleaning liquid.
  • the turbine wheel 28 is thereby rotated and the rotational movement is transmitted via the gear 48 to the output shaft 46 and the cleaning head 16 connected in rotation with the output shaft 46, so that the cleaning head 16 is also rotated.
  • the cleaning fluid fed to the turbine wheel 28 can emerge from the drive space 26 via the openings of the housing lower part 22, which are not shown in the drawing, and can then be applied to the object to be cleaned via passages 88 of the support plate 50 arranged offset to the passage opening 54 become.

Abstract

La présente invention concerne un appareil de nettoyage (10) pour nettoyer un objet, en particulier un véhicule automobile, muni d'une partie d'entraînement (12) et d'une tête nettoyante (16) interchangeable. La partie d'entraînement (12) présente une roue de turbine (28) actionnable avec un liquide nettoyant sous pression et couplée à un arbre entraîné (46) au moyen d'une boîte de vitesses (48). La tête nettoyante (16) est raccordée de manière fixe et amovible à l'arbre entraîné (46), et le liquide nettoyant alimentant la roue de turbine (28) peut être appliqué sur l'objet à nettoyer. Pour améliorer l'appareil de nettoyage (10) de manière à ce que la tête nettoyante (16) puisse être désolidarisée facilement de l'arbre entraîné (46), l'invention propose que l'appareil de nettoyage (10) présente un mécanisme de déverrouillage (66) actionnable par l'utilisateur afin de déverrouiller la liaison fixe entre l'arbre entraîné (46) et la tête nettoyante (16).
PCT/EP2018/051470 2018-01-22 2018-01-22 Appareil de nettoyage WO2019141384A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/051470 WO2019141384A1 (fr) 2018-01-22 2018-01-22 Appareil de nettoyage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/051470 WO2019141384A1 (fr) 2018-01-22 2018-01-22 Appareil de nettoyage

Publications (1)

Publication Number Publication Date
WO2019141384A1 true WO2019141384A1 (fr) 2019-07-25

Family

ID=61188758

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/051470 WO2019141384A1 (fr) 2018-01-22 2018-01-22 Appareil de nettoyage

Country Status (1)

Country Link
WO (1) WO2019141384A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112603013A (zh) * 2020-12-15 2021-04-06 宗成果 一种清洁刷

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461052A (en) 1982-09-27 1984-07-24 Mostul Thomas A Scrubbing brush, rinse and sweeping equipment
DE3616382A1 (de) 1985-05-23 1986-12-04 Claber S.p.A., Fiume Veneto, Pordenone Waschbuerste mit wasserzufuhr und rotierenden borsten, insbesondere fuer kraftfahrzeuge
EP0294058A2 (fr) * 1987-06-02 1988-12-07 Bayly Design Associates Pty. Ltd. Brosse de nettoyage
US6185781B1 (en) * 1999-06-24 2001-02-13 The Hoover Company Hand scrub tool with interchangeable scrub drives
US20040134023A1 (en) * 2002-12-10 2004-07-15 Caruso Steven Jerome Versatile tools
DE10351880B3 (de) 2003-10-29 2005-05-04 Alfred Kärcher Gmbh & Co. Kg Waschbürste
DE202007014420U1 (de) 2006-12-22 2008-02-07 Alfred Kärcher Gmbh & Co. Kg Waschbürste
US20080083077A1 (en) * 2006-10-06 2008-04-10 Faip North Amercia, Inc. Water-operated wash brush with removable brush head

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461052A (en) 1982-09-27 1984-07-24 Mostul Thomas A Scrubbing brush, rinse and sweeping equipment
DE3616382A1 (de) 1985-05-23 1986-12-04 Claber S.p.A., Fiume Veneto, Pordenone Waschbuerste mit wasserzufuhr und rotierenden borsten, insbesondere fuer kraftfahrzeuge
EP0294058A2 (fr) * 1987-06-02 1988-12-07 Bayly Design Associates Pty. Ltd. Brosse de nettoyage
US6185781B1 (en) * 1999-06-24 2001-02-13 The Hoover Company Hand scrub tool with interchangeable scrub drives
US20040134023A1 (en) * 2002-12-10 2004-07-15 Caruso Steven Jerome Versatile tools
DE10351880B3 (de) 2003-10-29 2005-05-04 Alfred Kärcher Gmbh & Co. Kg Waschbürste
US20080083077A1 (en) * 2006-10-06 2008-04-10 Faip North Amercia, Inc. Water-operated wash brush with removable brush head
DE202007014420U1 (de) 2006-12-22 2008-02-07 Alfred Kärcher Gmbh & Co. Kg Waschbürste

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112603013A (zh) * 2020-12-15 2021-04-06 宗成果 一种清洁刷
CN112603013B (zh) * 2020-12-15 2022-07-29 宗成果 一种清洁刷

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