EP2255895A1 - Appareil de nettoyage haute pression - Google Patents

Appareil de nettoyage haute pression Download PDF

Info

Publication number
EP2255895A1
EP2255895A1 EP09176178A EP09176178A EP2255895A1 EP 2255895 A1 EP2255895 A1 EP 2255895A1 EP 09176178 A EP09176178 A EP 09176178A EP 09176178 A EP09176178 A EP 09176178A EP 2255895 A1 EP2255895 A1 EP 2255895A1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
pressure cleaning
accessory
holding
housing
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.)
Granted
Application number
EP09176178A
Other languages
German (de)
English (en)
Other versions
EP2255895B1 (fr
Inventor
Thomas Maier
Matthias Steinmann
Christina Beermann
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and 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 Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP2255895A1 publication Critical patent/EP2255895A1/fr
Application granted granted Critical
Publication of EP2255895B1 publication Critical patent/EP2255895B1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/06—Mobile combinations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/63—Handgrips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0211—Case coverings

Definitions

  • the invention relates to a high-pressure cleaning device with a housing, a suction port for supplying liquid, a pressure port for discharging pressurized fluid and a holding device for at least one accessory.
  • a liquid preferably water
  • the high-pressure cleaning devices have a motor that drives a pump. Liquid to be pressurized may be supplied via the suction port of the pump, and the fluid pressurized by the pump may be discharged via the pressure port.
  • a high-pressure hose can be connected, which carries at its free end a high-pressure spray gun.
  • the high-pressure spray gun usually has a valve which can be opened and closed as required by the user by means of an actuating element.
  • a spray lance which has a nozzle at its free end, can be connected to the high-pressure spray gun.
  • the high pressure spray gun forms as well as the spray lance an accessory of the high pressure cleaning device.
  • the spray lance is in many cases designed in two parts and comprises two detachably connectable pipe sections, wherein the first pipe section can be connected to the high pressure spray gun and wherein the second pipe section with the first pipe section is detachably connectable and carries at its free end the nozzle.
  • these often have a holding device for at least one accessory.
  • the accessory for example, during a break in work - without risk of damage to the high-pressure cleaner are stored.
  • High-pressure cleaning devices of the type mentioned are for example from the DE 91 09 717 U1 and also from the DE 88 15 807 U1 known.
  • portable high-pressure cleaning devices are described, which comprise on the top of the housing a carrying handle, which forms a channel-shaped receptacle.
  • the high pressure spray gun or the spray lance can be stored.
  • the accessory ie the high-pressure spray gun or the spray lance, automatically detaches from the channel-shaped receptacle. This can happen, in particular, when the high-pressure hose via which the high-pressure spray gun or the spray lance is connected to the pressure connection is exposed to pressurized fluid.
  • Object of the present invention is to develop a high-pressure cleaning device of the type mentioned in such a way that the risk of unintentional detachment of the accessory is reduced by the holding device.
  • the holding means comprises a first and a second holding element, which are spaced from each other, wherein the first holding element forms a support surface which engages under the accessory, and wherein the second holding element Anti-slip device forms, which determines the accessory safe to move.
  • a holding device with two spaced-apart holding elements is used.
  • the first holding element forms a support for the accessory and for this purpose comprises a support surface which engages under the accessory.
  • the second holding element is arranged at a distance from the first holding element and designed as a displacement safeguard. This ensures that the accessory can not move unintentionally relative to the holding device.
  • the holding device used according to the invention thus makes it possible to position the accessory against displacement on the high-pressure cleaning device. This facilitates the handling of the high-pressure cleaning device, since the accessory for starting the high-pressure cleaning device can be easily grasped in an ergonomically favorable position and released from the holding device, so that pressurized liquid can be directed onto a surface by means of the accessory. During a break or even after the operation of the high-pressure cleaning device, the accessory can be easily stored on the holding device, with virtually no risk that the accessory unintentionally detached from the holding device, because it can not easily along the holding device along move.
  • the first holding element and / or the second holding element forms an anti-rotation device, which fixes the accessory against rotation.
  • the accessory is held by such a configuration of at least one retaining element reliably in a certain angular position, ie it can not readily around the longitudinal axis of the accessory to be twisted.
  • the accessory can be determined in an ergonomically advantageous orientation. It can be provided in this case that only the first holding element or alternatively only the second holding element forms a rotation, but it is also conceivable an embodiment in which both the first holding element and the second holding element secure the accessory against rotation about the longitudinal axis of the accessory ,
  • the two holding elements are formed and aligned with each other so that they set the accessory in a horizontal orientation on the housing.
  • the horizontal orientation allows a very compact arrangement of the accessory on the high-pressure cleaner.
  • the two holding elements are positioned above the housing, so that the accessory can be positioned in horizontal alignment above the housing of the high-pressure cleaning device.
  • it is secured in a horizontal orientation both against rotation and against displacement.
  • the two holding elements are arranged above the housing at a distance from this, because this facilitates the gripping of the at least one accessory.
  • the second holding element which forms a displacement safeguard, is preferably designed in the manner of a hook.
  • the hook can engage in a recess, recess, bore or the like of the accessory and thus secure this in a simple manner against displacement.
  • the hook preferably engages from above on the accessory. In addition to its function, the To secure the accessory against movement, the hook can also form a rotation, which secures the accessory against rotation.
  • the second holding element can be brought into engagement with a coupling member of the accessory arranged at the end of the accessory.
  • the coupling member may for example be designed in the form of a bayonet coupling, with the aid of which the accessory is releasably connectable with another accessory.
  • bayonet couplings are used in particular for accessories in the form of high-pressure spray guns, as used for example in the DE 10 2006 013 005 A1 are described.
  • the bayonet couplings usually have an opening laterally, and the second holding element can be brought into engagement with this opening.
  • the first holding element is preferably designed as a receptacle into which the accessory can be inserted.
  • the receptacle forms in a lower region of a support surface, which engages under the accessory and thus supported in the vertical direction.
  • the accessory can be inserted in a horizontal orientation in the first holding member. This facilitates the positioning of the accessory on the high-pressure cleaner. It can be provided, for example, that the accessory can be inserted horizontally into the first holding member.
  • the first holding member may be configured, for example, as a holding bracket, which surrounds the accessory in the circumferential direction at least partially.
  • the headband can form a non-circular opening into which the accessory can be inserted.
  • the non-circular shape of the retaining clip here forms an anti-rotation, since the accessory in the non-round headband can not be easily rotated.
  • the high-pressure cleaning device on a mounting bracket on which the holding device is arranged.
  • the high-pressure cleaning device is thus made portable and the holding device is accessible to the user in a simple manner, since it is positioned on the mounting bracket.
  • the mounting bracket is preferably configured U- or C-shaped and comprises two ends held on the housing leg and a leg interconnecting web, which forms a carrying handle.
  • the first retaining element is arranged on the first leg and the second retaining element on the second leg of the support bracket.
  • the two holding elements and the mounting bracket can be designed here as a one-piece plastic molding.
  • the respectively arranged on a leg of the support bracket holding elements are accessible to the user in a simple manner and arranged at a distance from the housing. This facilitates the storage of the accessory to the holding elements.
  • the holding means comprising the two holding elements, the one at least against displacement enable secured storage of an accessory, is arranged on one side of the support bracket, and if at least one further holding device for a further accessory is arranged on the second side of the support bracket opposite this holding device.
  • accessories can be stored on both sides, which are accessible to the user in a simple manner.
  • further holding devices can be arranged on the second side of the carrying handle, in particular it can be provided that two further holding devices are positioned on the second side of the carrying handle.
  • the at least one further holding device can form a clamping holder into which an accessory can be clamped.
  • the at least one further holding device can have, for example, two clamping elements which are each positioned on a leg of the carrying handle.
  • the clamping elements can be designed as a clamping receptacles, which are formed in the legs of the support bracket and in which an accessory can be clamped.
  • the mounting bracket on the housing can be fastened without tools. This facilitates the installation of the high-pressure cleaning device.
  • the mounting of the support bracket on the housing takes place during the initial startup of the high-pressure cleaning device by the user. The user does not need any tools for this purpose, but instead the mounting bracket can be attached to the housing without tools.
  • the mounting bracket is fastened by means of fastening bolts on the housing, which can be latched to the housing.
  • the fastening bolt and the housing can for this purpose have cooperating locking elements. It is advantageous in this case if the mounting bracket by means of fastening bolts is inseparable locked to the housing.
  • the housing comprises a front and a rear housing shell, which receive between them two transverse struts, on which the mounting bracket is held, wherein the transverse struts can be fixed by means of latchable fastening bolts on the housing shells.
  • the cross struts can be integrally connected to the mounting bracket.
  • the transverse struts are formed on the webs of the support bracket remote from the ends of the legs of the support bracket.
  • the housing has a circumferential recess in the circumferential direction for receiving a connectable to the pressure port high-pressure hose and / or a power cord.
  • a circumferential recess in the circumferential direction has the advantage that the pressure hose and / or the power cord can be wound on decommissioning of the high-pressure cleaning device on the housing.
  • the circumferential recess in the circumferential direction gives the possibility to insert the cross braces connected to the mounting bracket in a simple manner in the recess, as long as the pressure hose or the power cord is not yet wound onto the housing is.
  • the pressure hose or the power cord receiving recess thus forms a recess of the housing, in which the cross braces can be used during assembly.
  • a portable high-pressure cleaner 10 is shown schematically with a clam shell housing 11, which has a front housing shell 12 and a rear housing shell 13, which is known per se in a conventional manner and therefore not shown in the drawing for clarity Take the motor pump unit with an electric motor and a pump driven by it.
  • the two housing shells 12 and 13 form a housing 11 surrounding in the circumferential direction recess 15.
  • a suction port 17 and a pressure port 18 are arranged in a first side region, and on the side facing away from the two ports 17, 18 in the recess 15, a network connection 20 is arranged.
  • the high pressure cleaning device to be pressurized liquid preferably water
  • the pressurized fluid from the high-pressure cleaner 10 is discharged via the pressure port 18.
  • known per se pressure hose can be connected.
  • the mains connection 20 is used to connect a power cable, via which the electric motor of the high-pressure cleaning device to a power supply can be connected.
  • a power cable via which the electric motor of the high-pressure cleaning device to a power supply can be connected.
  • Such power cables are known in the art and therefore also not shown in the drawing.
  • the pressure hose and the power cable can be wound onto the housing 11, wherein they are received by the recess 15.
  • the liquid supplied to the high-pressure cleaning device 10 can be admixed with a liquid cleaning agent, for example a soap solution.
  • a liquid cleaning agent for example a soap solution.
  • the high-pressure cleaning device 10 has, on the rear side 22 of the housing 11, a cleaning agent tank 24 that can be detachably connected to the housing 11.
  • a cleaning agent tank 24 that can be detachably connected to the housing 11.
  • a rotary switch 27 is arranged, with the help of the high-pressure cleaning device 10 can be turned on and off.
  • the front housing shell 12 and the rear housing shell 13 each have ventilation slots 29, 30, so that cooling air for cooling the electric motor can reach the interior of the housing 11 and can flow out of the housing 11 after cooling of the electric motor.
  • a mounting bracket 32 is arranged at the top of the housing 11. This is U-shaped and has a first leg 33 and a second leg 34, which are connected to each other at a distance from the housing 11 via a web 35.
  • the web 35 forms a carrying handle 36, on which the user can take the high-pressure cleaning device 10 for its transport.
  • a transverse strut 38 and 39 is formed respectively, which extend transversely to the longitudinal axis 41 of the high-pressure cleaning device 10 and are arranged in the recess 15.
  • the recess 15 is bounded laterally by a first side wall 42 and by a second side wall 43 of the housing 11.
  • the first side wall 42 is formed by the front housing shell 12, and the second side wall 43 is formed by the rear housing shell 13.
  • the two transverse struts 38 and 39 extend between the two side walls 42 and 43 and are connected by means of fastening bolts 45 and 46 inseparably connected to the side walls 42 and 43.
  • the transverse struts 38 and 39, as well as the side cheeks 42 and 43, have passage openings into which the fastening bolts 45 and 46 can each be inserted in cross-direction through a transverse strut 38 and 39, respectively.
  • the fastening bolts 45 and 46 have in the drawing only schematically indicated locking elements 48 and 49 which cooperate with corresponding locking elements of the side walls 42 and 43 for producing a non-detachable latching connection.
  • the carrying handle 36 is aligned parallel to the longitudinal axis 41 of the high-pressure cleaner 10 and the two legs 33 and 34 extend obliquely to the center plane 51 of the high-pressure cleaner 10.
  • the center plane 51 is supported by the abutting end edges 52 and 53 of the front housing shell 12 and the rear housing shell 13 defined.
  • the mounting bracket 32 On its rear housing 55 facing the rear housing 55, the mounting bracket 32 carries a first holding device 60 with an integrally formed on the first leg 33 first holding element in the form of a retaining clip 61 and an integrally formed on the second leg 34 second holding element in the form of a hook 62nd Der Gar Seabügel 61 is formed of a comparatively thin-walled plastic material and defines in combination with the first leg 33 a non-circular opening which forms a receptacle 63.
  • a first accessory in the form of a high-pressure spray gun 65 in a horizontal orientation, ie in an orientation parallel to the longitudinal axis 41 of the high-pressure cleaner 10, are used, wherein a tubular outlet portion 66 of the housing 67 of the high pressure spray gun 65 engages through the receptacle 63.
  • the retaining clip 61 is substantially U-shaped and comprises a housing 11 facing lower retaining leg 69, which has a substantially vertically aligned Holding web 70 is connected to an upper holding leg 71, which is formed as well as the lower holding leg 69 to the first leg 33 of the support bracket 32.
  • the lower holding leg 69 forms the support surface 73, which engages under the outlet region 66 of the high-pressure spray gun 65 and thus supports it in the vertical direction.
  • the high-pressure spray gun 65 conventionally includes a handle portion 75 having a handle 76 and a pivot lever 77. By means of the pivot lever 77, a valve disposed in the housing 67 of the high pressure spray gun 65 can be selectively opened and closed by the user. Adjoining the grip region 75 is the outlet region 66, which carries a coupling element in the form of a bayonet coupling 78 at its free end. Such bayonet couplings 78 are known per se to those skilled in the art. At a distance from the free end 79, they have a lateral opening into which the hook 62 of the first holding device 60 engages from above.
  • the high-pressure spray gun 65 is held displaceably and non-rotatably on the first holding device 60, ie the high-pressure spray gun 65 can not be displaced unintentionally in the longitudinal direction of the outlet region 66, ie parallel to the longitudinal axis 41 of the high-pressure cleaning device 10, nor can it unintentionally be moved parallel to the longitudinal axis 41 aligned axis of rotation, that are rotated about the longitudinal axis of the outlet portion 66.
  • the user can grasp the high pressure spray gun 65 on the handle 76.
  • the high-pressure spray gun 65 pivots slightly upwards around the retaining clip 61, so that the hook 62 releases the lateral opening of the bayonet coupling 78. Subsequently, the user can the high pressure spray gun 65 in the horizontal direction from the opening 63 of the retaining clip Pull out 61. In its fixed position on the mounting bracket 32, the high-pressure spray gun learns based on the weight of the grip portion 75 relative to the headband 61 a torque, so that the area of the bayonet coupling 78 is pressed against the upper side attacking hook and thus reliably fixed.
  • the mounting bracket 32 On its front 55 facing away from the rear side 55, the mounting bracket 32 has two further holding devices 81 and 82, which are each designed as a clamping brackets and a first clamping element 84 and 85 include, which is formed in the first leg 33 of the support bracket 32, and a second clamping element 87 and 88, which is formed in the second leg 34 in a horizontal direction in alignment with the respective first clamping element.
  • a further accessory in the form of a two-part spray lance 90 can be positioned on the mounting bracket 32.
  • the spray lance 90 comprises a first pipe section 91 and a second pipe section 92, which are releasably connectable to each other.
  • the first pipe section 91 has at a first end 94 bayonet wings 95 which cooperate for connecting the spray lance 90 to the high pressure spray gun 65 with the bayonet coupling 78.
  • the first pipe section 91 of the spray lance 90 carries a bayonet coupling 97 which cooperates with bayonet blades 100 disposed at a first end 99 of the second pipe section 92 so that the two pipe sections 91 and 92 can be easily interconnected by the user ,
  • the second pipe section 92 carries a nozzle 102, can be directed over the pressurized liquid on a surface to be cleaned.
  • the two pipe sections 91 and 92 can be clamped in the clamping elements 84, 87 and 85, 88 of the holding means 81 and 82, which are arranged on the front side 56 of the support bracket 32.
  • the high-pressure cleaning device 10 is thus characterized by a tool-less mounting of the support bracket 32 on the housing 11, wherein the support bracket 32 carries on its rear side 55 a first holding device 60, at which the user during a break or for decommissioning of the high-pressure cleaner 10, a first accessory, when illustrated embodiment, the high pressure spray gun 65, can store in a horizontal orientation, without the risk that the first accessory shifts or twisted.
  • On the front side 56 of the support bracket 32 further holding devices 81 and 82 are arranged, which receive further accessories, for example, the two pipe sections 91 and 92 of the spray lance 90, if necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP09176178A 2008-11-21 2009-11-17 Appareil de nettoyage haute pression Active EP2255895B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008059244A DE102008059244A1 (de) 2008-11-21 2008-11-21 Hochdruckreinigungsgerät

Publications (2)

Publication Number Publication Date
EP2255895A1 true EP2255895A1 (fr) 2010-12-01
EP2255895B1 EP2255895B1 (fr) 2012-08-15

Family

ID=42114695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09176178A Active EP2255895B1 (fr) 2008-11-21 2009-11-17 Appareil de nettoyage haute pression

Country Status (2)

Country Link
EP (1) EP2255895B1 (fr)
DE (1) DE102008059244A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478404A (zh) * 2015-12-17 2016-04-13 江苏杜氏环保科技有限公司 一种转鼓格栅高压冲洗装置
DE102022107616A1 (de) * 2022-03-30 2023-10-05 Alfred Kärcher SE & Co. KG Hochdruckreinigungsgerät
DE102022107617A1 (de) * 2022-03-30 2023-10-05 Alfred Kärcher SE & Co. KG Hochdruckreinigungsgerät

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810169A (en) * 1986-06-09 1989-03-07 Kraenzle Josef Pump unit
DE8815807U1 (fr) 1988-12-21 1989-11-02 Wap Reinigungssysteme Gmbh & Co, 7919 Bellenberg, De
DE9109717U1 (fr) 1991-08-06 1991-09-19 Fa. Andreas Stihl, 7050 Waiblingen, De
US5405086A (en) * 1991-11-22 1995-04-11 Kraenzle; Josef High-pressure cleaner
DE102006013005A1 (de) 2006-03-22 2007-09-27 Alfred Kärcher Gmbh & Co. Kg Hochdruckspritzpistole

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618099A (en) * 1984-07-13 1986-10-21 Kyushu Hitachi Maxell, Ltd. Electric spray
DE4122191A1 (de) * 1991-07-04 1993-01-07 Josef Kraenzle Hochdruckreiniger
DE4132670A1 (de) * 1991-10-01 1993-04-08 Kaercher Gmbh & Co Alfred Hochdruck-reinigungsgeraet
DE202004015873U1 (de) * 2004-10-14 2005-01-13 Alto Deutschland Gmbh Wechselseitig montierbarer Lanzenhalter
US7891036B2 (en) * 2005-03-18 2011-02-22 Techtronic Outdoor Products Technology Limited Multi-function power washer
US20070207042A1 (en) * 2006-03-03 2007-09-06 Hahn Klaus K Engine shroud
DE102008009221A1 (de) * 2008-02-06 2009-08-13 Alfred Kärcher Gmbh & Co. Kg System zur Bevorratung und Abgabe von flüssigem Reinigungszusatz für Hochdruckreinigungsgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810169A (en) * 1986-06-09 1989-03-07 Kraenzle Josef Pump unit
DE8815807U1 (fr) 1988-12-21 1989-11-02 Wap Reinigungssysteme Gmbh & Co, 7919 Bellenberg, De
DE9109717U1 (fr) 1991-08-06 1991-09-19 Fa. Andreas Stihl, 7050 Waiblingen, De
US5405086A (en) * 1991-11-22 1995-04-11 Kraenzle; Josef High-pressure cleaner
DE102006013005A1 (de) 2006-03-22 2007-09-27 Alfred Kärcher Gmbh & Co. Kg Hochdruckspritzpistole

Also Published As

Publication number Publication date
DE102008059244A1 (de) 2010-05-27
EP2255895B1 (fr) 2012-08-15

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