EP2027940B1 - Appareil de nettoyage haute pression - Google Patents

Appareil de nettoyage haute pression Download PDF

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Publication number
EP2027940B1
EP2027940B1 EP20080104318 EP08104318A EP2027940B1 EP 2027940 B1 EP2027940 B1 EP 2027940B1 EP 20080104318 EP20080104318 EP 20080104318 EP 08104318 A EP08104318 A EP 08104318A EP 2027940 B1 EP2027940 B1 EP 2027940B1
Authority
EP
European Patent Office
Prior art keywords
appliance
pressure cleaning
hose
pressure
cleaning appliance
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.)
Active
Application number
EP20080104318
Other languages
German (de)
English (en)
Other versions
EP2027940A1 (fr
Inventor
Mark Ellam
Stefan Kern
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.)
Robert Bosch GmbH
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
Priority claimed from DE202007018339U external-priority patent/DE202007018339U1/de
Priority claimed from DE102008012357A external-priority patent/DE102008012357A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2027940A1 publication Critical patent/EP2027940A1/fr
Application granted granted Critical
Publication of EP2027940B1 publication Critical patent/EP2027940B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor

Definitions

  • the invention is particularly based on a high-pressure cleaning device according to the preamble of claim 1.
  • a high-pressure cleaner which is designed as an electrically operated, portable and portable by an operator work equipment, with a device housing, with a chassis and with a hose device comprising a high-pressure hose.
  • the DE 33 12 451 A1 discloses a mouth and tooth sprayer with a tube which is arranged on a winding body.
  • the water hose is wound up helically and, due to its inherent elasticity, is able to slide by itself onto the winding body.
  • the US-A-6 056 710 discloses an oral shower housing with a tube that is spirally wound.
  • the housing has a curved bottom to keep the hose rolled up.
  • the US 2006/275146 A1 discloses a cleaning device with a hose similar to that in the US-A-6 056 710 coil-wound on a hose reel.
  • a cleaning device is provided with a device housing, with a running gear, which has rolling elements, which are intended to open a device supporting surface, and with a hose device.
  • the trolley has two wheels.
  • high-pressure cleaning devices which have a high-pressure hose which has to be manually rolled up by an operator.
  • the object of the invention is to improve the stability and handling in a high-pressure cleaning device of the type mentioned. This is achieved by the characterizing features of claim 1.
  • the invention is based on a high-pressure cleaning device with a hose device.
  • the high-pressure cleaning device comprises a spiral hose which is particularly advantageously designed as a high-pressure hose.
  • a "spiral hose” is to be understood in particular as meaning a hose which has a spiral outer shape with a spiral channel course and which is provided in particular for elastic deformation so that in particular a distance between turns of the spiral outer shape for varying an extension of the spiral tube by a force of an operator can be increased, preferably at least twice the distance, starting from an unloaded starting position, and the spiral tube after cancellation of the force again at least largely in its initial position automatically by an elastic Reset clamping force.
  • the tensioning force can be generated by a hose carrier device of the spiral hose that is independent of a wall of the spiral hose, for example by a spring wire arranged on an outer wall, and / or particularly advantageously by one or more walls of the spiral hose itself.
  • a hose can be understood which is designed for at least 10 bar pressure and particularly advantageously at least 15 bar and particularly preferably at least 60 bar pressure, and which is in particular intended to be arranged on a device output side of the high-pressure cleaning device and thus in particular is designed for a affordable by the high-pressure cleaner pressure.
  • a particularly advantageous handling can be achieved, in particular by an unwanted kinking and manual rolling can be avoided.
  • advantageous damping properties can be achieved, so that when abrupt tensile forces on the spiral tube, these can be damped by means of the spiral tube and damage to connections and hose transitions can be avoided.
  • a high-pressure cleaning device should in particular be understood to mean an electrically operated, portable working device, in particular portable by an operator, which is used to remove soiling with the aid of water pressure, in particular from 15 bar and optionally with the use of additional cleaning agents.
  • the high-pressure cleaning device preferably weighs less than 10 kg and particularly advantageously less than 5 kg and can be carried by an operator during a cleaning process with one hand.
  • the high-pressure cleaning device has a device housing and a running gear which has at least three and particularly preferably at least four rolling elements which are intended to open a device supporting surface.
  • a particularly advantageous stability and advantageous handling can be achieved, in particular if the chassis has at least one rolling element which is pivotally mounted about a steering pivot axis and in particular if at least one axis is provided with steerable wheels.
  • a "pivot axis" is to be understood in particular a pivot axis about which the rolling elements can pivot in order to follow next to its rolling motion of a curved path can.
  • the steering pivot axis preferably has an angle between 80 ° and 100 ° and preferably of approximately 90 ° to a rolling axis and to a device supporting surface.
  • a "rolling element” is conceivable of various bodies which appear appropriate to a person skilled in the art, such as, for example, balls, rollers and / or particularly advantageously wheels which, in contrast to rollers, have a width which is smaller than their diameter.
  • the chassis has at least one rolling body, which protrudes laterally over a device bottom contour of the device housing and in particular on the device housing, in particular a projection of the same on a flat surface, whereby the stability can be further improved.
  • chassis is formed by a pedestal.
  • a “subset” should be understood in particular a unit which is at least partially disposed below the device housing and in particular a at least partially decoupled from the device housing support structure for receiving bearing forces, in particular a frame having.
  • the pedestal is advantageously formed by a separable from the device housing unit, in particular by a holding and unlocking unit is provided which serves to releasably connect the pedestal and the device housing , If necessary, then the Device housing separated from the base of an operator and thus a handle of the high-pressure cleaner can be used advantageously.
  • the pedestal preferably has a receiving area for the device housing.
  • a "receiving area” in this sense is to be understood in particular a recess into which the device housing can be used.
  • the pedestal on side cheeks and / or on its front side a cheek to form the receiving area, whereby this can be designed structurally simple advantageous.
  • the base can be produced in particular if it is at least partially manufactured in a shell construction, i. is formed at least from two composite shell parts, whereby in particular the receiving area can be made simple and particularly advantageous.
  • a system with a high-pressure cleaner and a spiral hose is advantageously designed in such a way that at the standing on a floor high-pressure cleaner with mounted spiral hose, this with its high-pressure cleaner end facing away from an unloaded position, vertically upwards to a distance of at least 2.5 m can be performed to the ground before a resultant within the spiral hose clamping force exceeds a weight of the high-pressure cleaner, so that can be particularly advantageously avoided that when working overhead the high-pressure cleaner is lifted undesirable from the ground.
  • FIG. 1 shows a high-pressure cleaning device with a device housing 10 in which an electric drive unit, not shown, a displacement machine for generating a working pressure and a device for regulating working pressure and water quantity are arranged, and with a base formed by a base 12, which is substantially below a Device floor is arranged and four formed by wheels rolling elements 14, 16, 18, 20, which are intended to open a device support surface 22 ( FIG. 1 . 2 . 4 to 7 ).
  • the pedestal is wider than the device housing 10 is formed and the rolling elements 14, 16, 18, 20 protrude beyond a device bottom contour of the device housing 10 and the device housing 10 itself completely laterally.
  • the rolling elements 14, 16, 18, 20 are arranged on two transverse to a longitudinal direction of the chassis 12 extending bearing axes, wherein the front rolling elements 14, 20 are pivotally mounted about a steering pivot axis 24 which is perpendicular to a rolling axis of the rolling elements 14, 20.
  • the substructure forming the chassis 12 is formed by a unit which can be separated from the device housing 10 or is provided so that it can be removed by an operator from the device housing 10.
  • a holding and unlocking unit 26 is provided which is intended to releasably connect the pedestal and the device housing 10.
  • the holding and unlocking unit 26 has on a front side arranged cheek 34 of the pedestal a removable flap 48 and under the flap 48 a snap closure forming unlocking element 50 ( FIG. 7 ), while on the side facing away from the front side not shown in detail, with the device housing 10 corresponding interlocking elements for securing the device housing 10 are provided on the pedestal. If the unlocking element 50 is released, the device housing 10 can be guided past the interlocking elements arranged on the pedestal and separated from the pedestal.
  • the base made of plastic in a shell construction has a receptacle 28 formed by a recess for the device housing 10, which is adapted to the contour of the device housing 10, so that it can be received in the same form-fitting ( FIGS. 6 and 7 ).
  • the base has side cheeks 30, 32 and the front cheek 34 to form the receiving area 28.
  • a further cheek 52 is provided which has a recess 54 for a water connection 56 ( FIG. 4 ).
  • the device housing 10 is inserted into the receiving area 28, it is delimited laterally by the cheeks 30, 32, 34, 52, so that the device housing 10 is fixed in the receiving area 28 in a form-fitting manner, in particular in the direction of travel and transversely to the direction of travel, parallel to the device supporting surface 22. If the device housing 10 is removed from the receiving area 28 of the pedestal, this can advantageously be transported by means of a strap handle 58 arranged on an upper side of the device housing 10 ( FIG. 3 ).
  • the High-pressure hose device comprises a spiral hose designed as a high-pressure hose 36, which is designed like a helical compression spring and is provided for elastic deformation. In the unloaded state spiral spirals of the spiral tube 36 are almost directly adjacent to each other and the spiral turns are arranged substantially coaxially about an axis 62 oriented substantially perpendicular to the device support surface 22 axis ( FIG. 4 ).
  • a distance between the spiral turns with respect to the unloaded state can increase by a multiple, so that a distance between a high pressure gun 64 arranged at an end of the spiral hose 36 facing away from the connection 60 can be increased by a multiple.
  • FIG. 5 a distance between a high pressure gun 64 arranged at an end of the spiral hose 36 facing away from the connection 60 can be increased by a multiple.
  • an operator must apply an equivalent force, which is dependent upon the stiffness of the spiral tube 36.
  • the spiral tube 36 is permanently brought into its shape during its production under the action of heat, so that in a later operational use of this principle by internal clamping force always after cancellation of a force back into his in FIG. 4 resets the displayed basic position.
  • a holding device 66 for the high-pressure gun 64 is arranged on a side wall of the device housing 10, as shown in FIG FIG.
  • the high-pressure gun 64 can be inserted and secured with its jet pipe 68, so that the high-pressure gun 64 and the spiral hose 36 can remain in a secured position on transport on the device housing 10 and a removal of the spiral tube 36 and the high-pressure gun 64 avoided can be.
  • a holding and / or storage device is provided specifically for the spiral hose 36 on the device housing 10, in particular on its upper side.
  • the system with the high-pressure cleaner and the spiral hose 36 is designed in such a way that in the standing on a floor high-pressure cleaner with mounted spiral hose 36, this with its high pressure cleaning device remote end, starting from an unloaded position, vertically upwards along the axis 62 a distance of at least 2.5 m to the ground can be performed before a thereby resulting within the spiral tube 36 clamping force a Weight of the high-pressure cleaner exceeds, so that in particular can be advantageously avoided that when working overhead the high-pressure cleaner is lifted undesirable from the ground.

Claims (16)

  1. Appareil de nettoyage haute pression, qui est réalisé sous forme d'appareil de travail à commande électrique, mobile et portable par un opérateur, avec un boîtier d'appareil (10), un châssis (12) et un dispositif à flexible, qui comprend un flexible haute pression, caractérisé en ce que l'appareil de nettoyage haute pression est utilisé avec une pression d'eau à partir de 15 bars pour éliminer des salissures, en ce que le châssis (12) présente au moins trois, et de préférence quatre, corps de roulement (14, 16, 18, 20), qui sont prévus pour s'engager avec une surface de support d'appareil (22), et en ce que le flexible haute pression est réalisé sous forme de flexible en spirale, qui est prévu de manière élastiquement déformable, de sorte qu'une distance entre des enroulements de la forme extérieure en forme de spirale puisse être augmentée pour modifier une étendue du flexible en spirale par l'action d'une force.
  2. Appareil de nettoyage haute pression selon la revendication 1, caractérisé en ce que le flexible en spirale (36) est réalisé sous forme de ressort à boudin, les enroulements en spirale du flexible en spirale (36) s'appliquant pratiquement directement les uns contre les autres dans l'état non sollicité, et étant disposés essentiellement coaxialement autour d'un axe (62) orienté essentiellement perpendiculairement à la surface de support d'appareil (22).
  3. Appareil de nettoyage haute pression selon la revendication 1 ou 2, caractérisé en ce que, dans l'état sollicité, une distance entre les enroulements en spirale est augmentée d'un multiple par rapport à l'état non sollicité, de sorte qu'une distance d'un pistolet haute pression (64) disposé sur une extrémité du flexible en spirale (36) opposée au raccord (60) à un boîtier d'appareil (10) puisse être augmentée d'un multiple.
  4. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que le flexible en spirale (36) est conçu de telle sorte que, lorsque l'appareil avec le flexible en spirale (36) monté est placé sur un sol, le flexible en spirale puisse être guidé avec son extrémité opposée à l'appareil (36), à partir d'une position non sollicitée, perpendiculairement vers le haut le long d'un axe (62) se tenant perpendiculairement sur le sol, sur une distance d'au moins 2,5 m par rapport au sol, avant qu'une force de tensionnement résultant de ce fait à l'intérieur du flexible en spirale (36) ne dépasse une force de pesanteur de l'appareil.
  5. Appareil de nettoyage selon au moins l'une quelconque des revendications 1 à 4, caractérisé en ce qu'au moins un corps de roulement (14, 16, 18, 20) est formé par une roue.
  6. Appareil de nettoyage haute pression selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le châssis (12) présente au moins un corps de roulement (14, 20), qui est monté de manière à pouvoir pivoter autour d'un axe de direction pivotant (24).
  7. Appareil de nettoyage haute pression selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le châssis (12) présente au moins un corps de roulement (14, 16, 18, 20) qui fait saillie latéralement au-delà d'un contour de fond d'appareil du boîtier d'appareil (10).
  8. Appareil de nettoyage haute pression selon la revendication 7, caractérisé en ce que le corps de roulement (14, 16, 18, 20) fait saillie latéralement au-delà du boîtier d'appareil (10).
  9. Appareil de nettoyage haute pression selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le châssis (12) est formé par une base.
  10. Appareil de nettoyage haute pression selon la revendication 9, caractérisé en ce que la base est formée par une unité pouvant être séparée du boîtier d'appareil (10).
  11. Appareil de nettoyage haute pression selon la revendication 10, caractérisé par une unité de fixation et de déverrouillage (26), qui est prévue pour connecter de manière amovible la base et le boîtier d'appareil (10).
  12. Appareil de nettoyage haute pression selon au moins la revendication 9, caractérisé en ce que la base présente une région de réception (28) pour le boîtier d'appareil (10).
  13. Appareil de nettoyage haute pression selon au moins la revendication 9, caractérisé en ce que la base est fabriquée au moins en partie dans une construction à coque.
  14. Appareil de nettoyage haute pression selon au moins la revendication 12, caractérisé en ce que la base présente des joues latérales (30, 32) pour former la région de réception (28).
  15. Appareil de nettoyage haute pression selon au moins la revendication 12, caractérisé en ce que la base présente sur son côté frontal une joue (34) pour former la région de réception (28).
  16. Appareil de nettoyage haute pression selon l'une quelconque des revendications 12 à 15, caractérisé par un poids de l'appareil inférieur à 10 kg.
EP20080104318 2007-08-22 2008-06-09 Appareil de nettoyage haute pression Active EP2027940B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007018339U DE202007018339U1 (de) 2007-08-22 2007-08-22 Hochdruckreinigungsgerät
DE102008012357A DE102008012357A1 (de) 2007-08-22 2008-03-03 Hochdruckreinigungsgerät

Publications (2)

Publication Number Publication Date
EP2027940A1 EP2027940A1 (fr) 2009-02-25
EP2027940B1 true EP2027940B1 (fr) 2011-03-09

Family

ID=39967677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080104318 Active EP2027940B1 (fr) 2007-08-22 2008-06-09 Appareil de nettoyage haute pression

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EP (1) EP2027940B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312451A1 (de) * 1983-04-07 1984-10-11 Gimelli & Co. AG, Zollikofen Mund- und zahnspritzgeraet
DE3619326A1 (de) * 1986-06-09 1987-12-10 Josef Kraenzle Pumpeneinheit
US6056710A (en) * 1998-12-18 2000-05-02 Teledyne Industries, Inc. Oral irrigator housing
US7627926B2 (en) * 2005-05-17 2009-12-08 U.S. Products Cleaning apparatus

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Publication number Publication date
EP2027940A1 (fr) 2009-02-25

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