EP1719557B1 - Buse rotative pour dispositif de nettoyage - Google Patents

Buse rotative pour dispositif de nettoyage Download PDF

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Publication number
EP1719557B1
EP1719557B1 EP05103677A EP05103677A EP1719557B1 EP 1719557 B1 EP1719557 B1 EP 1719557B1 EP 05103677 A EP05103677 A EP 05103677A EP 05103677 A EP05103677 A EP 05103677A EP 1719557 B1 EP1719557 B1 EP 1719557B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
housing
rotary
rotary nozzle
mount
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.)
Not-in-force
Application number
EP05103677A
Other languages
German (de)
English (en)
Other versions
EP1719557A1 (fr
Inventor
Martin 18A Yong Long Ge Wimmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Einhell Germany AG
Original Assignee
Hans Einhell GmbH Industriegelande
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 Hans Einhell GmbH Industriegelande filed Critical Hans Einhell GmbH Industriegelande
Priority to EP05103677A priority Critical patent/EP1719557B1/fr
Priority to DE502005000330T priority patent/DE502005000330D1/de
Priority to CNB2006100998437A priority patent/CN100563842C/zh
Priority to US11/381,489 priority patent/US20060261183A1/en
Publication of EP1719557A1 publication Critical patent/EP1719557A1/fr
Application granted granted Critical
Publication of EP1719557B1 publication Critical patent/EP1719557B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0463—Rotor nozzles, i.e. nozzles consisting of an element having an upstream part rotated by the liquid flow, and a downstream part connected to the apparatus by a universal joint

Definitions

  • the present invention relates to a rotor nozzle for a cleaning device, in particular for a high-pressure cleaning device. Furthermore, the invention also relates to the use of a rotor nozzle in a cleaning device, and in particular in a high-pressure cleaning device.
  • Rotary nozzles for cleaning equipment are known in the art.
  • European Patent EP 0 600 937 B1 discloses a rotor nozzle for a high-pressure cleaning device in which the nozzle is arranged in a housing and accommodated in the outlet region of the housing in a bearing socket and supported in the head region by brake bodies on the inner wall of the housing.
  • the German utility model application DE 200 22 303 U1 relates to a rotor nozzle for a cleaning device, wherein the liquid is introduced in a tangential direction into the interior of the housing of the rotor nozzle and in this case forms a, about the longitudinal axis of the housing rotating liquid column.
  • This liquid column as it rotates about the longitudinal axis, entrains the nozzle body, which in this way is formed along a conical surface formed inside the housing. circulates.
  • the nozzle body is received in the front region in a bearing socket, which also provides a passage opening for the liquid, and is mounted in the upper region by means of a sliding ring.
  • the European patent application EP 1 305 079 A1 also relates to a rotor nozzle for a cleaning device, in which the nozzle body accommodated in the housing is moved by the flow of liquid about a predetermined axis of the housing.
  • the nozzle body on a support pin which is received in a recess of the housing.
  • German patent application DE 42 20 561 A1 relates to a rotary nozzle for high-pressure cleaning devices whose nozzle body is accommodated in a housing.
  • the nozzle is supported by a bearing head which is received in a receptacle and freely rotatable about the longitudinal axis.
  • the object of the present invention is to provide a rotor nozzle of the type mentioned in the introduction, which has a simple structure and is particularly easy to use. It is another object of the present invention to provide a nozzle body in which the nozzles used can be changed or replaced in order to change the liquid jet at the outlet of the nozzle body or to adapt to the requirements of the operator, in particular for different applications.
  • the object is achieved by a rotor nozzle according to claim 1.
  • Preferred embodiments of the rotor nozzle according to the invention are the subject of the subclaims.
  • the object is also achieved by the use of the rotor nozzle according to the invention in a cleaning device.
  • the rotor nozzle for a cleaning device in particular a high-pressure cleaning device, at least one housing which is equipped with a supply line and an outlet for a liquid.
  • a nozzle body is received, which is flowed through by the liquid, which is supplied via the supply line of the rotor nozzle, and which is moved by the flow of liquid around a predetermined axis of the housing.
  • the nozzle body is supported according to the present invention at one end on a bearing arranged in the housing.
  • the nozzle body is further in contact with at least a part of its outer shell with an inner surface of the housing.
  • the bearing supporting the nozzle body has a recess in the central area and is supported by a cylindrical bearing seat incorporated in the housing.
  • the bearing has, towards the inside towards the housing, an increase arranged concentrically to the outlet.
  • the nozzle body itself has a sliding surface which preferably extends substantially concentrically around the nozzles of the nozzle body and at least partially receives the bearing surface of the bearing.
  • the sliding surface of the nozzle body and the shape of the bearing surface of the bearing are adapted or tuned to one another according to a particularly preferred embodiment substantially.
  • the elevation forms a bearing surface which, according to the present invention, has, at least in sections, a shape which is spherical or parabolic or elliptical or conical or a combination thereof and the like.
  • the recess of the bearing is arranged according to a particularly preferred embodiment substantially concentric with the outlet of the housing for the liquid. It is not necessary that Recess of the bearing is flowed through directly by the liquid of the cleaning device, but that in particular according to a particularly preferred embodiment, the recess in the bearing serves to receive at least a portion of the nozzle body arranged in the nozzle. According to a further preferred embodiment, the nozzle is arranged axially within the nozzle body and penetrates the recess of the bearing with a predetermined length.
  • the bearing is arranged as a removable insert in the housing. This has the advantage, among other things, that with high wear, the bearing itself can be replaced without, however, having to change the entire rotor nozzle.
  • the bearing surface of the bearing used in the housing may be formed according to a particularly preferred embodiment partially spherical and is in particular designed such that the center of the spherical surface is arranged on the central axis of the bearing and is preferably formed by a radius which is a distance to the center between 3 mm and 15 mm, in particular for between 5 mm and 10 mm.
  • the sliding surface of the nozzle body has an opening angle to the axis of rotation, which is between 110 ° and 150 °, in particular between 120 ° and 140 °.
  • This opening angle is achieved in particular by the fact that the sliding surface in this embodiment has a frusto-conical cross-section, the lateral legs are arranged in a, as previously described angle to the axis of rotation.
  • this shape of the sliding surface with the result that the bearing in the housing is also designed to ensure in particular optimal storage of the nozzle body. This should be kept low in particular by the storage of wear and the friction between the moving and static components and others Also, a sufficient seal between the bearing in the housing body and the nozzle body or the sliding surface can be achieved. This can be achieved both by a flat bearing area, as well as by a linear support area between the sliding surface and the bearing surface.
  • the sliding surface is spherical and has a radius which, according to a particularly preferred embodiment, is between 3 mm and 17 mm and in particular is greater than the radius of the bearing surface.
  • the housing of the rotor nozzle is made according to a particularly preferred embodiment of a material comprising at least one material from a group of materials which polyamide, polyacrylic, metals, composite materials such as fiber reinforced plastics, polyamide with a predetermined proportion of glass fibers, combinations thereof and the like.
  • the housing is formed by a housing cover and at least one housing foot.
  • the supply line for the liquid is preferably arranged.
  • the housing cover In the housing cover the cylindrical receptacle of the bearing with the recess and with the elevated bearing seat is arranged
  • the nozzle body according to a further, particularly preferred embodiment has a substantially cylindrical or substantially conical round shape, in which the preferably exchangeable nozzle is received.
  • the length of the nozzle is selected such that its outlet end is within a circular arc with the diameter of 0.1 mm to 6 mm and preferably of 3 mm, wherein the circular arc about the intersection of the axis of rotation of the nozzle body with the central axis of the housing is arranged.
  • the use of the nozzle body is preferably made of at least partially a material which is selected from a group of materials, in particular wear-resistant ceramics, ceramic composites, materials with at least one ceramic component, plastics such. As polyether ketones, combinations thereof and the like.
  • connection between the nozzle body and the insert or between the bearing and the housing can be detachable according to the present invention, wherein the positive, non-positive and / or material-locking connection between the components in the context of the invention.
  • the upper end of the nozzle body is formed according to a further particularly preferred embodiment by a rolling body, which is arranged such that through the lateral channels, the cleaning liquid can flow into the nozzle body and the nozzle body on the outer radius of the rolling body on the inner wall of the housing is supported or unroll.
  • the rolling body is made according to another embodiment of at least partially a material that reduces the wear of the inside of the housing as possible.
  • This may be, for example, a material such as hard rubber or the like.
  • the rolling body has a cylindrical recess, in which a cylindrically shaped body is used in particular form-fitting manner.
  • the body is made of a material such as brass or the like and serves to adapt the mass of the nozzle body to the respective requirements.
  • the invention further relates to the use of a rotor nozzle as described in one of the aforementioned embodiments, for a cleaning device, in particular for a high-pressure cleaning device such as e.g. in mobile high-pressure cleaning machines or washing lines for cars or trucks are known in the art.
  • FIG. 1 shows a possible principalsbeipiel for a rotor nozzle according to the invention in cross section.
  • a cleaning liquid such as water is supplied with or without additives via the supply line 1 of the rotor nozzle.
  • a cleaning medium such as water vapor and the like may also be used as the cleaning liquid.
  • the cleaning liquid flows through the openings 6 of the plate 5 in the conical inner portion of the housing, then passes through the openings of the nozzle body 11 to the nozzle 12, the nozzle channel 19 and leaves the rotor nozzle over the mouth of the nozzle or the outlet of the rotor nozzle.
  • the length of the nozzle is chosen such that the mouth of the nozzle is located within the outlet 8 of the rotor nozzle.
  • the rotor nozzle consists of a housing cover 7 and a housing foot 2, in which the supply line 1 is arranged.
  • the housing foot 2 is connected via a threaded connection 3 with the housing cover 7 and has a sealing element, preferably an O-ring.
  • the seal can also be made by other types, as they are known in the art.
  • a nozzle plate 5 is arranged between the housing foot 2 and the housing cover 7, which has at least one passage 6 through which the liquid, which is supplied via the supply line 1 of the rotary nozzle, opens into the conical inner portion of the rotary nozzle.
  • the openings of the nozzle plate are designed in such a way that the liquid enters at a predetermined angle in the conical inner region of the rotor nozzle, whereby the nozzle body 11 with the nozzle 12 in motion, preferably in rotational movement, is added.
  • the movement of the nozzle body takes place here in such a way that the nozzle body rotates along the conical inner surface 15 of the housing 7 about the axis 23, wherein the nozzle body 11 also performs a self-rotation about its axis of rotation 22.
  • the beam circle formed by the rotating nozzle can be determined in size.
  • size can be used to determine the scope of use as a "dirt tiller", thereby simplifying the cleaning of larger areas for the operator because of the Rotational movement of the cleaning jet, the processing surface is increased.
  • the nozzle body 11 further has a sliding surface 21, which is formed according to the present invention as a spherical surface portion. About this sliding surface, the nozzle body is supported on the bearing 9, which has a bearing surface 20 which also forms a spherical surface portion substantially.
  • the diameters of the spherical portions of the sliding surface and the bearing surface may differ, wherein preferably the sliding surface of the nozzle body is made slightly larger than the bearing surface.
  • the sliding surface 21 is designed as a cone opening with an opening angle between 110 ° and 150 °, preferably between 120 ° and 140 °.
  • the nozzle 12 opens according to the embodiment shown here in the outlet region 8 of the nozzle housing.
  • the nozzle body according to this embodiment has a replaceable insert 16, which is preferably made of a different material than that of the nozzle body 11.
  • a replaceable insert 16 which is preferably made of a different material than that of the nozzle body 11.

Landscapes

  • Nozzles (AREA)

Claims (21)

  1. Buse rotative pour dispositif de nettoyage, en particulier un appareil de nettoyage à haute pression avec au moins un logement (2,7), une conduite d'alimentation (1), un orifice de sortie (8) pour un liquide et un corps de buse (11) reçu dans le logement, traversé par le liquide, qui est mis en mouvement par le courant du liquide autour d'un axe du logement déterminé et s'appuie avec une extrémité contre un coussinet (9) disposé au niveau du logement, qui présente un évidement central, et au moins une partie de l'enveloppe extérieure du corps de buse (11) est en contact avec une surface intérieure du logement,
    caractérisé en ce que,
    le coussinet (9) soutenant le corps de buse (11) est formé par un surhaussement disposée dans le logement (2, 7), insérée, concentrique par rapport à l'orifice de sortie (8), et le corps de buse présente une surface de roulement (21), qui en substance s'étend de manière concentrique autour de la buse et reçoit au moins en partie une surface de coussinet (20) du coussinet (9).
  2. Buse rotative selon la revendication 1, caractérisé en ce que
    le surhaussement forme la surface de coussinet (20) qui est réalisée au moins par section en forme sphérique, parabolique, en ellipse, des combinaisons de cela et identique.
  3. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, l'évidement du coussinet (9) est disposé en substance de manière concentrique par rapport à l'orifice de sortie (8) du logement pour le liquide.
  4. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le corps de buse (11) présente une buse (12) disposée axialement, qui pénètre avec une longueur prédéterminée l'évidement du coussinet (9).
  5. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, la surface de coussinet (20) du coussinet (9) est formée en forme sphérique, et le centre pour la surface de coussinet est disposé sur l'axe central du logement (2, 7) et de préférence présente un rayon qui est entre 3 mm et 15 mm, en particulier entre 5 mm et 10 mm.
  6. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, la surface de roulement (21) du corps de buse (11) et la forme de la surface de coussinet (20) en substance sont ajustées l'une à l'autre.
  7. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, la surface de roulement (21) du corps de buse présente un angle d'ouverture par rapport à l'axe de rotation (22) du corps de buse (11), qui est entre 110° et 150°, en particulier entre 120° et 140°.
  8. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, la surface de roulement (21) présente un rayon qui est entre 3 mm et 17 mm, et en particulier supérieur au rayon de la surface de coussinet (20).
  9. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le logement (7, 2) présente au moins un matériau d'un groupe de matériau qui comprend polyamide, acrylique, métaux, matériaux composites comme par exemple les plastiques renforcés en fibres, polyamide avec une portion de fibre de verre prédéterminée, des combinaisons de cela et identique.
  10. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le logement présente un capot de logement (7) et au moins un pied de logement (2), dans lequel est disposée la conduite d'alimentation (1), où dans le capot de logement est disposé l'orifice de sortie (8) avec le coussinet surhaussé (9).
  11. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le corps de buse (11) en substance de forme cylindrique ou en substance conique, présente une buse échangeable (12).
  12. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, la saillie de la buse (12) est entre 2 mm et 19 mm et en particulier ainsi choisie que l'extrémité de la buse est à l'intérieur d'un arc de cercle avec un diamètre de 0,1 mm à 6 mm, de préférence à env. 3mm et qui est formé autour du point d'intersection (19) de l'axe de rotation du corps de buse (11) avec l'axe central (23) du capot de logement (7).
  13. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le corps de buse (11) présente un empiècement (16) dont une extrémité forme en substance la surface de roulement (21) du corps de buse.
  14. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, au moins l'empiècement (16) du corps de buse et/ou au moins la surface de roulement (21) du corps de buse (11) est fabriqué au moins en partie en un matériau, qui comprend les matériaux comme les céramiques résistant à l'usure, les céramiques composites, au moins une portion de céramique, les plastiques comme par exemple le polyéthercétone, les combinaisons de cela et identique.
  15. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, le coussinet (9) avec la surface de roulement (20) est formé comme empiècement retirable dans le logement (7).
  16. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, au moins le coussinet (9) du logement (7) et/ou au moins la surface de roulement (20) du coussinet (9) est fabriqué au moins en partie en un matériau, qui comprend les matériaux comme les céramiques résistant à l'usure, les céramiques composites, au moins une portion de céramique, les plastiques comme par exemple le polyéthercétone les combinaisons de cela et identique.
  17. Buse rotative selon au moins l'une des revendications précédentes, caractérisé en ce que, à l'extrémité supérieure du corps de buse (11) un corps de déroulage est ainsi inséré qu'à travers des canaux latéraux le liquide de nettoyage peut affluer dans le corps de buse et le corps de déroulage (13) forme une surface de contact avec son rayon extérieur contre laquelle le corps de buse (11) s'appuie au niveau de la face intérieure du logement.
  18. Buse rotative selon la revendication 17 caractérisé en ce que,
    le corps de déroulage (13) est fabriqué en un matériau, réduisant l'usure de la face intérieure du logement (7), de préférence en ébonite.
  19. Buse rotative selon la revendication 17 ou 18 caractérisé en ce que,
    le corps de déroulage (13) présente un évidement cylindrique, dans lequel de préférence un corps cylindrique (14) est inséré par forme complémentaire, dont la masse est définie par la longueur, le rayon et le poids spécifique du matériau et qui est composé de préférence de laiton.
  20. Utilisation d'une buse rotative selon une des revendications précédentes pour un appareil de nettoyage, en particulier pour un appareil de nettoyage à haute pression.
  21. Utilisation d'une buse rotative selon une des revendications précédentes pour un tunnel de nettoyage, en particulier pour station de lavage pour voiture ou camion.
EP05103677A 2005-05-03 2005-05-03 Buse rotative pour dispositif de nettoyage Not-in-force EP1719557B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05103677A EP1719557B1 (fr) 2005-05-03 2005-05-03 Buse rotative pour dispositif de nettoyage
DE502005000330T DE502005000330D1 (de) 2005-05-03 2005-05-03 Rotordüse für ein Reinigungsgerät
CNB2006100998437A CN100563842C (zh) 2005-05-03 2006-04-29 清洗装置的旋转喷嘴
US11/381,489 US20060261183A1 (en) 2005-05-03 2006-05-03 Rotor nozzle for a cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05103677A EP1719557B1 (fr) 2005-05-03 2005-05-03 Buse rotative pour dispositif de nettoyage

Publications (2)

Publication Number Publication Date
EP1719557A1 EP1719557A1 (fr) 2006-11-08
EP1719557B1 true EP1719557B1 (fr) 2007-01-17

Family

ID=34939664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05103677A Not-in-force EP1719557B1 (fr) 2005-05-03 2005-05-03 Buse rotative pour dispositif de nettoyage

Country Status (4)

Country Link
US (1) US20060261183A1 (fr)
EP (1) EP1719557B1 (fr)
CN (1) CN100563842C (fr)
DE (1) DE502005000330D1 (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
ITMI20050388A1 (it) * 2005-03-11 2006-09-12 Techint Spa Dispositivo di fibraggio in particolare per realizzare fibre di vetro
EP2038067B1 (fr) * 2006-06-30 2017-11-29 Nilfisk A/S Buse rotative
CN106040481B (zh) * 2016-07-22 2018-12-21 芜湖鼎瀚再制造技术有限公司 一种旋转喷涂装置
CN206881955U (zh) * 2017-04-17 2018-01-16 福建西河卫浴科技有限公司 一种离心散水结构及花洒
DE102017217382A1 (de) * 2017-09-29 2019-04-04 BSH Hausgeräte GmbH Haushalts-Geschirrspülmaschine
EP3646953B1 (fr) * 2018-11-05 2021-07-14 P.A. S.p.A. Ensemble de buse à jet rotatif pour dispositifs de nettoyage sous pression
EP4263063A1 (fr) * 2020-12-16 2023-10-25 Alfred Kärcher SE & Co. KG Buse rotative pour dispositif de nettoyage haute pression

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GB8404490D0 (en) * 1984-02-21 1984-03-28 Osmond D R C Water sprinklers for lawns &c
DE3902478C1 (fr) * 1989-01-27 1990-07-19 Josef 7918 Illertissen De Kraenzle
DE4129026C1 (fr) * 1991-08-31 1993-03-04 Alfred Kaercher Gmbh & Co, 7057 Winnenden, De
DE4220561A1 (de) * 1991-09-27 1993-04-01 Suttner Gmbh & Co Kg Punktstrahl-rotationsduese fuer hochdruckreinigungsgeraete
DE4433646C2 (de) * 1993-09-29 1996-10-10 Anton Jaeger Rotordüse, insbesondere für ein Hochdruckreinigungsgerät
DE19632323A1 (de) * 1996-08-10 1998-02-12 Kaercher Gmbh & Co Alfred Rotordüse für ein Hochdruckreinigungsgerät
EP0865827B1 (fr) * 1997-03-20 2003-01-02 Suttner Gmbh & Co. Kg Ajutage rotatif pour appareils de nettoyage à haute pression
DE19821919B4 (de) * 1998-05-15 2013-05-16 Anton Jäger Rotordüse
DE20022303U1 (de) 2000-05-08 2001-06-21 Alfred Kärcher GmbH & Co., 71364 Winnenden Rotordüse für ein Reinigungsgerät
JP2003201732A (ja) * 2001-02-27 2003-07-18 Toto Ltd 流体噴出装置
CN1265891C (zh) * 2001-02-27 2006-07-26 东陶机器株式会社 流体喷出装置
US6766967B2 (en) * 2002-05-07 2004-07-27 Gp Companies, Inc. Magnet-driven rotary nozzle
US7273188B2 (en) * 2003-08-15 2007-09-25 Darrell R Saha Internal self-rotating fluid jetting nozzle

Also Published As

Publication number Publication date
DE502005000330D1 (de) 2007-03-08
US20060261183A1 (en) 2006-11-23
CN100563842C (zh) 2009-12-02
CN1872424A (zh) 2006-12-06
EP1719557A1 (fr) 2006-11-08

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