EP2490830A1 - Dispositif de nettoyage - Google Patents

Dispositif de nettoyage

Info

Publication number
EP2490830A1
EP2490830A1 EP10770769A EP10770769A EP2490830A1 EP 2490830 A1 EP2490830 A1 EP 2490830A1 EP 10770769 A EP10770769 A EP 10770769A EP 10770769 A EP10770769 A EP 10770769A EP 2490830 A1 EP2490830 A1 EP 2490830A1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
maintenance
closure
accessory
steam
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
EP10770769A
Other languages
German (de)
English (en)
Other versions
EP2490830B1 (fr
Inventor
Michael SCHÖNEWALD
Martin Schmidgall
Jochen Engele
Tobias Dux
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 EP2490830A1 publication Critical patent/EP2490830A1/fr
Application granted granted Critical
Publication of EP2490830B1 publication Critical patent/EP2490830B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Definitions

  • the invention relates to a cleaning device comprising a cleaning device with a device for providing a liquid or vaporous cleaning agent, and further comprising at least one accessory for dispensing the cleaning agent to an object to be cleaned, wherein the cleaning device has a maintenance opening, which is closable by means of a maintenance closure.
  • cleaning devices For cleaning of objects, for example floors, walls, sanitary fittings or other surfaces and objects, cleaning devices are used which provide a liquid or vaporous cleaning agent. They can be configured, for example, as a high-pressure cleaning device or as a steam cleaning device. The object to be cleaned can be charged with the liquid or vaporous cleaning agent.
  • a cleaning hose may be connected to the cleaning device for dispensing the cleaning agent.
  • the cleaning device comprises at least one accessory, such as a connectable to the free end of the cleaning hose cleaning nozzle or an extension tube.
  • a maintenance opening is often arranged, which can be closed by means of a maintenance closure.
  • the maintenance closure can be detached from the maintenance opening and returned to the service after completion of the maintenance operation. Opening be connected.
  • a special tool for example a hexagon wrench, which can be inserted into a corresponding receptacle of the maintenance closure.
  • Embodiments are also known in which a screwdriver is required to release the maintenance closure.
  • maintenance measures are usually only be carried out at relatively long intervals, and then there is the difficulty to keep ready the necessary tools for solving the maintenance closure. In many cases, the tool is moved by the user and is therefore not available for carrying out the maintenance measure.
  • the maintenance lock should not be readily solved by hand, otherwise there is a risk that the maintenance lock is accidentally solved by the user.
  • Object of the present invention is to develop a cleaning device of the type mentioned in such a way that the maintenance lock for maintenance can be solved in a simpler way from the maintenance opening and connected after completion of maintenance with the maintenance opening, without a considerable risk that the maintenance lock is erroneously solved by the user.
  • a separate tool for releasing the maintenance closure can be dispensed with by circuit and the accessory are configured such that the accessory can serve as a tool for releasing the maintenance closure. Since the accessory can already be used during the continuous operation of the cleaning device, there is no risk that it will be laid by the user and therefore is no longer available when carrying out a maintenance measure. A special tool, such as a hex key, to solve the maintenance lock can therefore be omitted. On the other hand, it is ensured that the user must consciously take to hand the at least one accessory to solve the maintenance lock, the risk that he will accidentally solve the maintenance lock is therefore low.
  • the maintenance closure preferably includes threads for screwing the maintenance closure to the service opening.
  • the at least one accessory is rotatably attachable to the maintenance closure. This allows a particularly easy handling.
  • the maintenance closure has a closure stem which can be inserted into the maintenance opening of the cleaning appliance, and a closure head which projects beyond the maintenance opening, wherein an engagement element is arranged on an upper side of the closure head facing away from the closure stem, and wherein the at least one Accessory includes a piece of pipe, which is engageable with the engagement member.
  • the maintenance closure is thus accessible at its upper side for establishing a connection with the accessory, which for this purpose has a piece of pipe which can be brought into engagement with the engagement element.
  • the engagement element may for example be designed in the form of a recess into which the pipe section can be inserted.
  • the inner contour of the pipe section can be adapted to the contour of the engagement element at least in one end region. It is particularly advantageous if at least one first positive locking element is arranged on the engaging element and if at least one second positive locking element is arranged on the tubular piece, wherein in each case a first positive locking element and a second positive locking element intermesh positively.
  • the at least one first form-fitting element can be designed, for example, in the form of a recess, and the at least one second form-fitting element can be designed in the form of a projection which can be inserted into the recess in a form-fitting manner.
  • the first positive locking element is designed in the form of a projection which protrudes from the engagement element and can be inserted into a recess arranged on the pipe section in the form of a second positive locking element.
  • the pipe section and the engagement element have a non-circular cross-section. They can be designed, for example, oval, rectangular or square. As a result, the pipe section is given a higher mechanical load-bearing capacity and makes it possible to construct a non-rotatable connection between the pipe section and the engagement element in a structurally simple manner.
  • the cleaning device can be designed, for example, in the form of a steam cleaning device.
  • the device for providing the cleaning agent is formed in such an embodiment as a steam generator, which has a heatable steam boiler, wherein the maintenance closure forms a steam boiler closure.
  • a liquid detergent such as water
  • the cleaning agent evaporates in the boiler.
  • limescale deposits on the wall of the boiler which must then be removed at intervals.
  • the user can solve the steam boiler closure and then fill a descaling agent in the boiler.
  • a special tool is not required for this purpose, the user can rather use an accessory for releasing the steam boiler closure. It is particularly advantageous if an overpressure valve is integrated into the steam boiler closure.
  • the pressure relief valve opens if the steam pressure in the steam boiler exceeds a preset maximum value.
  • the trained as a steam boiler closure closure thus not only has the function to close the maintenance opening and release for the implementation of a maintenance measure, but the maintenance lock additionally assumes the function of a security element by the pressure relief valve is integrated into the maintenance lock.
  • the overpressure valve may be configured, for example, in the form of a check valve which releases a flow channel through the maintenance closure when a given maximum value of the steam pressure prevailing in the steam boiler is exceeded and which blocks the flow channel automatically again when the maximum value is not reached.
  • At least one accessory can be configured, for example, as an extension tube or as a cleaning nozzle. These accessories can be connected to a steam line of the steam cleaner.
  • FIG. 1 shows a perspective view of a cleaning device according to the invention with a steam cleaning device and with several accessories;
  • Figure 2 is an enlarged view of detail X of Figure 1;
  • FIG. 3 shows a sectional view along the line 3--3 in FIG. 2 with a maintenance closure and a tubular piece of an accessory which can be attached thereto;
  • Figure 4 a bottom view of the pipe section in Figure 3 and
  • FIG. 5 shows a plan view of the maintenance closure from FIG. 3.
  • FIG. 1 shows schematically a cleaning device according to the invention is shown, which is formed in the illustrated embodiment as a steam cleaning device 10 with a cleaning device in the form of a steam cleaner 12 and with several accessories.
  • the steam cleaner 12 comprises a steam outlet, which is covered by a flap 13 in FIG.
  • the flap 13 can be pivoted and then releases a steam outlet to which a steam hose 14 can be connected by means of a plug-in device 16.
  • the steam hose 14 carries at its end facing away from the plug-in device 16, a steam discharge device in the form of a steam gun
  • a first accessory is designed as a cleaning nozzle in the form of a floor nozzle 20 with a nozzle head 22 and designed as a pipe piece connecting piece 24.
  • a second accessory is configured in the form of a first extension tube 26 and a third accessory is configured in the form of a second extension tube 28.
  • the extension tubes 26 and 28 are detachably connectable to each other and can be connected to both the connecting piece 24 of the floor nozzle 20 and to the steam gun 18. Alternatively, the floor nozzle 20 can also be connected directly to the steam gun 18.
  • the steam cleaner 12 has a housing 30 with an accessory holder 32.
  • the accessory holder 32 includes a plurality of recesses 34 into which the extension tubes 26 and 28 and also the steam gun 18 can be inserted.
  • the housing 30 of the steam cleaner 12 surrounds a known per se and therefore only partially shown in Figure 3 steam boiler 38, which is electrically heated and can be filled with liquid detergent, preferably with water.
  • the steam cleaner 12 comprises a storage tank 40, from which the cleaning agent can be pumped into the steam boiler 38 during operation of the steam cleaner 12.
  • the detergent is evaporated and the detergent vapor can then be dispensed through the steam outlet.
  • the boiler 38 has a vertically upwardly oriented service port 42 defining a service port 44. Via the maintenance opening 44, the interior of the steam boiler 38 is accessible for maintenance measures, in particular for filling a descaling liquid.
  • the service port 42 makes it possible to dispense cleaner vapor if an impermissibly high vapor pressure is formed in the steam boiler 38. This will be explained in more detail below.
  • a steam boiler 46 is used vapor-tight.
  • the steam boiler closure 46 has a closure shaft 48, which carries an external thread, not shown in the drawing, and can be screwed into the service connection 42.
  • the maintenance port 42 has for this purpose a corresponding internal thread, which is also not shown to achieve a better overview in the drawing.
  • the service port 42 is immersed in a housing opening 50 which is formed in a housing recess 42 at the top of the housing 30 of the steam cleaner 12. Between the housing opening 50 and the free end of the service port 42, a sealing element in the form of a sealing ring 54 is arranged. Above the service opening 44 closes in the region of the housing recess 52 to the closure shaft 48, a closure head 56 of the
  • the closure head 56 carries on its upper side an engagement element in the form of a protrusion 58, which in the embodiment shown in FIG. Asked plan view is oval in shape and on its outside two diametrically opposite, from the outside of the survey 58 radially outwardly projecting first positive locking elements in the form of two projections 60, 62nd
  • pressure relief valve 63 is integrated, which releases a the steam boiler closure 46 sweeping flow channel 64, depending on the pressure prevailing in the steam boiler 38 steam pressure.
  • the flow channel 64 extends from an inlet 65 disposed on the closure stem 48 at the bottom thereof to a plurality of outlets 66 uniformly distributed below the bump 48 circumferentially over the closure head 46.
  • the steam boiler closure 46 also has the function in the presence of an impermissibly high
  • extension tubes 26 and 28 are as well as the connecting piece 24 and the outlet of the steam gun 18 oval in cross-section corresponding to the oval shape of the elevation 58 of the closure head 56. At one end carry the extension tubes 26 and 28 as well as the
  • the extension tubes 26 and 28 can therefore be plugged as well as the connecting piece 24 to produce a rotationally fixed connection to the survey 58, wherein the Axialnuten 68, 70 form-fitting manner with the lateral projections 60, 62 cooperate.
  • This makes it possible to unscrew the steam-chamber closure 46 from the service connection 42, or to screw it into the maintenance closure 42, optionally with the aid of the first extension tube 26, the second extension tube 28 or the connecting piece 24 of the floor nozzle 20.
  • the maintenance opening 44 can thus be closed by the user by means of the steam boiler closure 46 and released as needed without requiring an additional tool for this purpose. Rather, the steam boiler closure 46 can be screwed into the service port 42 by means of an accessory, for example by means of the first extension tube 26, so that the service opening 44 is tightly closed by the steam boiler closure 46, and if necessary the steam boiler closure 46 can be closed by means of the accessory, for example by means of the first extension tube 26, are unscrewed from the service port 42 again. Maintenance measures in which the maintenance connection 42 has to be opened and later closed again are therefore very simple. On the other hand, it is not to be feared that the user accidentally releases the steam boiler closure 45, since he must use one of the accessories 20, 26 or 28 for this purpose. This use is not unintentionally made by the user.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un dispositif de nettoyage comprenant un appareil de nettoyage muni d'un système destiné à fournir un produit de nettoyage sous forme de liquide ou de vapeur, et comprenant en outre au moins un accessoire permettant d'amener le produit de nettoyage sur un objet à nettoyer, l'appareil de nettoyage présentant une ouverture destinée à l'entretien qui peut être fermée au moyen d'un élément de fermeture destiné à l'entretien. L'invention vise à perfectionner le dispositif de nettoyage de telle sorte que l'élément de fermeture destiné à l'entretien puisse être facilement retiré de l'ouverture destinée à l'entretien et relié à cette dernière, sans que l'utilisateur risque de l'ouvrir par erreur. A cet effet, l'élément de fermeture destiné à l'entretien peut être détaché de l'ouverture destinée à l'entretien et relié à cette dernière à l'aide d'au moins un accessoire.
EP10770769.7A 2009-10-20 2010-10-12 Dispositif de nettoyage Not-in-force EP2490830B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009051587A DE102009051587A1 (de) 2009-10-20 2009-10-20 Reinigungsvorrichtung
PCT/EP2010/065262 WO2011047988A1 (fr) 2009-10-20 2010-10-12 Dispositif de nettoyage

Publications (2)

Publication Number Publication Date
EP2490830A1 true EP2490830A1 (fr) 2012-08-29
EP2490830B1 EP2490830B1 (fr) 2013-12-11

Family

ID=43479085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10770769.7A Not-in-force EP2490830B1 (fr) 2009-10-20 2010-10-12 Dispositif de nettoyage

Country Status (4)

Country Link
EP (1) EP2490830B1 (fr)
DE (1) DE102009051587A1 (fr)
ES (1) ES2444291T3 (fr)
WO (1) WO2011047988A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9731330B1 (en) 2015-06-12 2017-08-15 Crossford International, Llc Portable cooling tower cleaning system
US9404069B1 (en) 2015-06-12 2016-08-02 Crossford International, Llc Systems and methods for cooling tower fill cleaning with a chemical gel
US10030216B2 (en) 2015-06-12 2018-07-24 Crossford International, Llc Systems and methods for cooling tower fill cleaning with a chemical gel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19737490A1 (de) * 1997-08-28 1999-03-04 Gardena Kress & Kastner Gmbh Verfahren zum Betreiben einer Hochdruckvorrichtung, insbesondere eines Hochdruckreinigers und Hochdruckvorrichtung
DE19816619A1 (de) * 1998-04-15 1999-10-21 Frank Michael Kuhn Im Behältnis eingearbeitetes Öffnungs- und Schließwerkzeug
US6098497A (en) * 1999-02-18 2000-08-08 Larose; Chantale Bottle opening device
GB2377365A (en) * 2001-07-10 2003-01-15 Lambert Wu Vapour cleaner, especially steam cleaner, with valve means for vapour release
US20030024574A1 (en) * 2001-08-06 2003-02-06 Samson Tsen Safety valve for steam cleaner
US7487651B2 (en) * 2005-01-21 2009-02-10 Euro-Pro Operating, Llc Steamer with wrapped cord and hose
DE102007018249A1 (de) * 2007-04-12 2008-10-16 Alfred Kärcher Gmbh & Co. Kg Fahrbares Hochdruckreinigungsgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011047988A1 *

Also Published As

Publication number Publication date
EP2490830B1 (fr) 2013-12-11
WO2011047988A1 (fr) 2011-04-28
DE102009051587A1 (de) 2011-04-21
ES2444291T3 (es) 2014-02-24

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