WO2016029967A1 - Buse d'aspiration et appareil d'aspiration de surfaces dures - Google Patents

Buse d'aspiration et appareil d'aspiration de surfaces dures Download PDF

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Publication number
WO2016029967A1
WO2016029967A1 PCT/EP2014/068424 EP2014068424W WO2016029967A1 WO 2016029967 A1 WO2016029967 A1 WO 2016029967A1 EP 2014068424 W EP2014068424 W EP 2014068424W WO 2016029967 A1 WO2016029967 A1 WO 2016029967A1
Authority
WO
WIPO (PCT)
Prior art keywords
lip
support lip
suction nozzle
support
nozzle according
Prior art date
Application number
PCT/EP2014/068424
Other languages
German (de)
English (en)
Inventor
Matthias GÜERS
Martin Schmidgall
Tony DIEGEL
Günther Erbel
Michael BENSCHUWEIT
Daniel KROHM
Saulius MARTINKENAS
Christian Stewen
Jürgen ZUGER
Original Assignee
Alfred Kärcher Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kärcher Gmbh & Co. Kg filed Critical Alfred Kärcher Gmbh & Co. Kg
Priority to PL14756077T priority Critical patent/PL3185741T3/pl
Priority to EP14756077.5A priority patent/EP3185741B1/fr
Priority to CN201480081510.4A priority patent/CN106793897B/zh
Priority to PCT/EP2014/068424 priority patent/WO2016029967A1/fr
Publication of WO2016029967A1 publication Critical patent/WO2016029967A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L1/00—Cleaning windows
    • A47L1/02—Power-driven machines or devices
    • A47L1/05—Hand apparatus with built-in electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the present invention relates to a suction nozzle, in particular for a vacuum extraction device comprising a portable Hartvidaug réelle, which suction nozzle has a suction port, which is followed by a suction, the suction port remote from the suction port end connected to the suction or connected to the suction nozzle at least one flexible wiper lip extending along the suction opening and having a scraper lip edge facing away from the suction opening and extending in the direction thereof, and a support lip extending parallel or substantially parallel thereto with a support lip edge facing away from the suction opening and extending in the direction thereof or are trained.
  • the present invention relates to a Hart vomabsaug réelle, in particular portable, with a suction device and a suction nozzle cooperating with the suction nozzle, which has a suction port, which is followed by a suction channel, which is connected to its suction port remote from the suction port end connected to the suction device or connected.
  • Suction nozzles and Hart vomabsaugowski of the type described above, which are used for example as a window sucker, are known. Slices wetted with cleaning fluid, in particular, can be cleaned quickly and easily with such devices.
  • window vacs available on the market, however, is to draw vertical surfaces down to the ground with a single continuous vertical movement of the window vacuum from top to bottom. It has hitherto been necessary, as in the case of cleaning floor-deep letters with a portable hard-surface extraction device known, for example, from WO 2009/086891 A1, to suck the surface to be cleaned near the bottom by a horizontal movement of the Hart vomabsaug réelles parallel to the surface with a substantially vertically aligned suction.
  • the support lip on a pointing away from the wiper lip support lips outside which defines a support lip outer surface, a support lip profile with a plurality of arranged on the support lips outside or formed supporting lip profile elements and that the support lip profile elements of the Support lips have outer side facing support lip profile element surfaces that form part of the support lip outer surface.
  • the wiper lip and the support lip are relatively narrow, so each have a width across the Abstreiflippenkante or to the support lip edge, which allows only a finite deformation of the wiper lip and the support lip.
  • an angle between the hard surface suction device and a hard surface to be cleaned can be varied only in a small range to obtain the function of suction.
  • a contact pressure of the Abziehlippe may be insufficient and at too large an angle, the support lip is usually no longer on the hard surface.
  • the pressure force is within a relatively small range, because if the contact force is too high, the support lip is pressed flat against the hard surface.
  • the proposed supporting lip profile provides a remedy here, because, in particular, in the case of essentially flat on the hard Surface adjacent support lip, it is either directly through the Stauerlippenpro- filetti or between them possible to pass liquid to the suction port of the suction nozzle and thus in a suction of the same.
  • this constructive change causes an overall improved function of the suction device, namely with a large tolerance range in the pressing or pressing force over a large angular range of an angle of attack between the suction nozzle and the hard surface to be sucked off. For the user, this in particular results in forgiving operation.
  • this also supports the function of Hart vomabsaug réelles when tilting a vertical hard surface towards the lower end, which allows in particular floor to ceiling windows, the continuous cleaning of a vertical hard surface from the top to the very bottom in one go.
  • the support lip profile makes it possible, in particular, for a cleaning liquid moistening the hard surface to be cleaned to reach the suction opening more quickly and also for a rapid movement of the suction nozzle over the hard surface to be prevented from being pushed away.
  • the support lip profile elements are designed in the form of profile depressions and / or profile elevations.
  • Profile depressions make it possible, in particular, to form liquid channels when the support lip rests substantially flat against the hard surface to be cleaned.
  • the profile recesses then allow the passing of the hard surface wetting cleaning liquid to the suction port, when the suction nozzle is pulled over the hard surface.
  • the profile depressions improve the function of the suction device as a whole.
  • profile elevations can also be provided.
  • a fluid channel can thus be formed, through which cleaning liquid, which wets the hard surface, when moving the suction nozzle over the hard surface in the area between the support lip and the wiper lip and thus can reach the suction opening.
  • the support lip profile elements go over tangent-like manner into a support lip outer surface region of the support lip outer surface that is not defined by the support lip profile.
  • tangential discontinuous means that an edge is formed between the support lip profile elements and the support lip outer surface region, specifically an outer edge in the case of a profile recess and an inner edge in the case of a profile elevation.
  • the profile elevations form, for example, recesses projecting from the support lip outer surface and profile depressions in the support lip outer surface.
  • the support lip profile elements extend in a direction which extends transversely, in particular perpendicular, to the support lip edge. In this way, cleaning fluid can reach virtually the shortest path to the suction port, when the suction nozzle is pulled with the support lip over the hard surface.
  • the suction nozzle is pulled in a direction over the hard surface, which extends transversely, in particular perpendicularly, to the wiper lip edge or to the support lip edge.
  • the support lip edge extends along a straight line or a plane. This makes it possible, in particular, for the supporting lip edge to lie against a flat hard surface along its entire length.
  • the support lip can be produced in a particularly simple manner if the support lip outer surface in a basic position is flat or substantially planar or curved, in particular tangentially continuous. According to a further preferred embodiment of the invention can be provided that a support lip profile-free support lip outer surface region of the support lip outer surface in a basic position of the support lip in which it is undeformed, flat or substantially flat.
  • a support lip can be produced in a simple manner, for example, spray on a Saudüsengephase.
  • the support lip profile elements define a common Stauerlippenprofilelement- edge with the support lip outer surface region, which is substantially U-shaped and open towards the support lip edge facing out.
  • the support lip profile element edge can define a tangential transition between the support lip profile element and the support lip outer surface region.
  • U-shaped may in particular mean that a contour defined by the supporting lip profile element edge is tangentially curved.
  • one or two tangent-like points may be provided on the contour.
  • a particularly favorable fluid flow results when the support lip profile element edge is parabolic or substantially parabolic.
  • a support lip profile element width of the support lip profile element increases starting from a support lip edge facing away from the support lip edge to the support lip edge.
  • the support lip profile element width increases in response to a distance from the support lip profile element end.
  • the support lipsprofilelement may be so specified as a function of the distance and are optimized fluidically.
  • the support lip has two lateral edges extending transversely to the support lip edge, and that a support lip profile element width and / or a surface defined by the support lip profile element edge increases with decreasing spacing of the support lip profile element from one of the two side edges.
  • the profile elements can thus always become somewhat larger toward an edge of the suction nozzle, that is to say in the direction of the side edges, in order to compensate for a suction power usually decreasing toward the side edges of the suction nozzle.
  • a contour of the support lip profile elements is defined by a function which depends on the distance from the support lip profile element end and / or on the distance from one of the side edges.
  • a width of the support lip profile increase both in the direction of the support element edge and on the side edge and decrease in the opposite direction.
  • a maximum support lip profile element height or a maximum support lip profile element depth relative to the support lip outer surface region is smaller than half the thickness of the support lip in the area of the support lip outer surface region.
  • the contour of the supporting lip profile element edge of at least part of the support lip profile elements is rounded towards the supporting lip profile element end or tapers to a point.
  • This property can also have all supporting lip profile elements.
  • on the support lip starting from the support lip edge and from this transversely, in particular vertically, away extending Stauerlippenausappel traditions are formed, which extend over the entire thickness of the support lip.
  • StauerlippenausEnglishept thus extend over the entire thickness, differently than preferably the profile elements in the form of profile recesses which extend over only a portion of the thickness of the support lip.
  • Stauerlippenaussianepteptaussianept thus form in particular openings of the support lip, which, when the support lip is placed substantially perpendicular to the hard surface to be cleaned, on the one hand by the support lip and the other part of the hard surface are limited.
  • Stauerlippenausbian ausstead liquid can pass between the support lip and the wiper lip at relatively steep employment of the support lip on the hard surface and be sucked through the suction port of the suction nozzle.
  • the support lip recesses prevent a cleaning liquid wetting the hard surface from being pushed away by the support lip.
  • the profile elevations adjacent to the StauerlippenausEnglishept are arranged or formed and / or open the profile recesses in the Stauerlippenausappelbrookaus principles.
  • cleaning liquid can first be passed through the profile depressions and then pass through the support lip recesses to the suction opening.
  • Profile elevations are preferably arranged such that a Stauerlippenausappelung is disposed between the profile elevations. Two adjacent profile elevations then form a fluid channel, which also opens into the support lip recess.
  • profile elevations adjoin one or both sides of the Stauerlippenaus traditions.
  • profile elevations can be provided on both sides of a support lip recess in order, as described, to form a fluid channel which opens into a support lip recess.
  • the support lip profile elements extend to the support lip edge. Alternatively, they may also be slightly spaced, for example one or more millimeters, from the support lip edge.
  • Cleaning liquid can be conducted particularly well to the suction opening when at least a portion of the support lip profile elements extends to the StauerlippenausEnglishache.
  • all support lip profile elements may extend to one or more Stauerlippenausappelebentures.
  • the support lip profile element ends of the support lip profile elements open into a first fluid channel connecting at least two, in particular all, support lip profile elements, which runs in particular parallel or substantially parallel to the support lip edge.
  • a fluid channel is thus spaced from the support lip edge and may in particular serve to receive cleaning fluid from the hard surface and into the support lip profile elements into or between them, depending on whether they are formed as profile depressions or profile increases.
  • the support lip profile elements open in the direction of the support lip edge in a at least two, in particular all, support lip profile elements interconnecting second fluid channel, which runs in particular parallel or substantially parallel to the support lip edge.
  • the second fluid channel also allows the collection of cleaning fluid before it can get into the suction port.
  • the support lip has a support lip width and that a distance of the support lip profile element ends of the support lip edge of at least a portion of the support lip profile elements is at most 90% of the support lip width. In particular, the distance is preferably at most 50% of the supporting lip width.
  • the support lip profile element ends can also be arranged on an end of the support lip facing away from the support lip edge, that is to say in a transition region to a housing of the suction nozzle.
  • a particularly stable suction nozzle can be formed when the support lip is molded onto a housing part of the suction nozzle. Alternatively, it can also be detachably connectable to the housing part. So it can be replaced as a result of wear.
  • a number of the support lip profile elements corresponds to a multiple, in particular an integer multiple, of the number of support lip recesses.
  • the number of supporting lip profile elements may correspond to the number of Stauerlippenaus traditions.
  • the support lip it is advantageous for the support lip to have a support lip inner profile with a plurality of support lip inner profile elements arranged or formed on the support lip inside, and if the support lip inner profile elements have support lip inner profile element surfaces facing away from the support lip inside, which part of the support lip inner surface form. Similar to the support lip profile, the support lip inner profile allows to improve a suction flow.
  • the support lip inner profile elements may be formed as depressions and / or elevations. It is advantageous if the support lip inner profile elements are designed in the form of support lip inner profile projections. In this way, it can be achieved, in particular, that the support lip does not lie flat against the wiper lip. Rather, fluid channels may be formed between the support lip inner profile projections to enhance the passage of air and cleaning fluid therethrough.
  • two support lip inner profile elements each define a support lip inner air guide between them.
  • the support lip inner air guide may in particular be channel-shaped and thus limited on the one hand by the support lip and the two support lip inner profile elements and on the other hand by the wiper lip.
  • a number of the support lip profile elements corresponds to a multiple, in particular an integral multiple of the number of support lip inner profile elements and / or the support lip inner air ducts.
  • This has the advantage that in particular formed by the support lip profile elements fluid channels on the outside of the support lip open into each directly associated support lip inner air ducts and so an ideal flow of cleaning fluid and air can be achieved.
  • a thickness of the support lip decreases towards the supporting lip edge.
  • contact pressure forces of the suction nozzle can be reduced.
  • residues of cleaning fluid can be reduced when placing the suction nozzle.
  • the support lip is chamfered on its support lip outside to the support lip edge.
  • a chamfer or bevel or even a reduced thickness of the support lip to the support lip edge is prevented in particular that the wiper lip is spread by the support lip of the hard surface.
  • a reduction of a contact area between the support lip and the hard surface may reduce an amount of liquid remaining on the support lip.
  • a bevel on the support lip outside of the support lip transitions tangentially into the support lip outer surface region and defines a bevel edge which runs parallel or substantially parallel to the support lip edge.
  • Such a chamfer can be produced in a simple manner and in particular also has the advantages already mentioned above.
  • the support lip profile elements of the support lip edge of at least a portion of the support lip inner profile elements is greater than half the support lip width.
  • the support lip profile elements preferably extend over a length which corresponds to at least half the support lip width.
  • a support lip width of the support lip transversely to the support lip edge at least 10 times a support lip thickness of the support lip and / or that a width of the wiper lip transversely to the wiper lip edge at least 5 times a Abstreiflippendicke the wiper lip corresponds.
  • This ratio of support lip width to support lip thickness differs significantly from known ratios in conventional hard surface aspirators.
  • an angle between the suction device or the suction nozzle and the hard surface to be sucked off can be varied within a significantly larger range, in particular to well over 90 °, whereby the function of the suction remains unchanged ,
  • an offset between the wiper lip edge and the supporting lip edge may remain constant in this manner, it becomes smaller relative to the enlarged support lip width or wiper lip width, so that its effects are also reduced.
  • the support lip may continue to follow the course of the Abziehlippe. It may be favorable if the support lip width corresponds to at least 15 times the support lip thickness and / or the width of the wiper lip to at least 8 times the wiper lip thickness.
  • a tolerance requirement on the wiper lip is reduced by its greater width compared to wiper lips in suction nozzles known from the prior art. This can be further improved, in particular by reducing a distance between the wiper lip and the support lip and a reduction in the support lip thickness.
  • a further improvement in the functionality of the hard surface suction device can be achieved, in particular, if the support lip width corresponds to at least 25 times the support lip thickness and / or the width of the wiper lip to at least 15 times the wiper lip thickness.
  • the suction nozzle comprises a suction nozzle housing and that a Abstreiflippenfact is formed on the suction nozzle housing for non-positive and / or positive receiving a arranged on the wiper lip or formed coupling element.
  • the wiper lip can be coupled with the suction nozzle housing in a simple manner and possibly also release it again.
  • the coupling element can be formed in a simple manner when it is in the form of a bead-like thickening running parallel to the wiper lip edge and forming a rear end of the wiper lip. So can For example, it can be pushed into the wiper lip receptacle parallel to the thickening.
  • the support lip inner profile elements preferably form spacer holding elements with stop surfaces for the wiper lip pointing toward the wiper lip.
  • the spacer elements in particular prevent direct contact between inner surfaces of the wiper lip and the support lip, so that the suction opening can not be closed even with a bending of the support lip and the wiper lip.
  • the cleaning liquid located on the hard surface can be optimally extracted.
  • the wiper lip on a wiper lip inner side defining a wiper lip inner surface defines a wiper lip inner surface
  • a wiper lip inner profile having a plurality of wiper lip inner profile elements arranged or formed on the wiper lip inner side and if the wiper lip profile elements are facing wiper lip profile element surfaces facing away from the wiper lip inner side have, which form part of the Abstreiflippeninnen Type.
  • the wiper lip can also be equipped with a described wiper lip inner profile.
  • the scraper lip inner profile elements can optionally form elevations and / or depressions.
  • the wiper lip inner profile elements are designed in the form of wiper lip inner profile projections. These allow in particular to specify a distance between the wiper lip and the support lip, so that they can not fully abut each other, whereby a flow of air and / or cleaning liquid could be prevented.
  • the wiper lip inner profile elements form spacer holding elements with stop faces for the support lip pointing towards the support lip.
  • flow channels between the support lip and the Ab- Scrape lip remain free, regardless of whether they are deformed when applied to the hard surface to be sucked or not.
  • ends of the support lip inner profile elements pointing towards the support lip edge are spaced from the support lip edge or extend up to it.
  • a distance has the particular advantage that over the entire front edge of the support lip, a volume flow of air and / or cleaning liquid is made possible.
  • a spacing has the particular advantage that over the entire front area of the wiper lip, a volume flow of air and / or cleaning liquid can be achieved.
  • the support lip inner profile elements and / or the Abstreiflippeninnenprofilelemente are arranged curved or formed curved.
  • a volumetric flow of air and / or cleaning liquid can be directed in a desired direction by the curvature, for example in the direction of the suction opening and / or the suction channel.
  • a curvature of the support lip inner profile elements and / or the wiper lip inner profile elements increases with decreasing distance of the same to a side edge.
  • the closer they are arranged on the side edge the more curved the support lip inner profile elements or the Abstreiflippeninnenprofil- elements.
  • a suction flow can be optimally performed in the side region of the suction nozzle.
  • a particularly good guidance of the suction flow can be achieved if the support lip inner profile elements and / or the wiper lip inner profile elements are designed to be convexly curved essentially pointing towards the side edges.
  • correspondingly curved flow channels can also be formed between the support lip and the wiper lip, which guide the suction flow in the direction of the suction opening and the suction channel. This is particularly favorable for very wide suction nozzles, in order to achieve a homogeneous suction flow over an entire extension of the suction nozzle.
  • support lip inner profile element ends pointing away from the support lip edge point towards the support lip internal profile elements in the direction of the suction channel.
  • scraper lip inner profile element ends facing away from the wiper lip edge point in the direction of the suction channel. In both cases, such a suction flow can be guided exactly where it can get to the suction device on the shortest path.
  • flow channels formed between the supporting lip inner profile elements or between the wiper lip inner profiled elements have an increasing cross-sectional area towards the side edges. This results in particular in a higher pressure loss in the central region of the suction nozzle, which in turn, however, results in a more uniform distribution of the volume flow over an entire extension of the suction nozzle along the wiper lip edge.
  • the support lip inner profile elements and / or scraper lip internal profile elements In order to minimize flow resistance through the suction nozzle, it is expedient for the support lip inner profile elements and / or scraper lip internal profile elements to have a teardrop shape or substantially a teardrop shape.
  • a flow around the support lip inner profile elements or the wiper lip inner profile elements can be improved in particular by in that the teardrop shape has a substantially semicircular contour towards the supporting lip edge or the wiper lip edge, and that it tapers in a direction pointing away from it.
  • the drop shape defines a center line, which runs in particular curved.
  • an inner boundary of the suction nozzle pointing towards the supporting lip edge is movable, in particular as a guide, which automatically moves the boundary in the direction of the supporting lip edge upon deformation of the supporting lip.
  • the at least one closure element completely closes the opening. In this way it can be prevented in particular that false air can penetrate into the suction nozzle, which reduces a suction power.
  • the at least one closure element closes the opening in an opening region facing away from the support lip edge.
  • Such an arrangement or design of the closure element has a greater effect in the rear region of the opening than in the front region, since a cross section in the rear region can be larger in particular than in the front region.
  • the suction nozzle can be produced in a particularly simple manner if the at least one closure element in the form of a wall section is formed on the support lip or on the wiper lip.
  • both the support lip and the wiper lip may comprise such a wall portion.
  • the at least one closure element is formed transversely, in particular vertically, projecting from the support lip or from the wiper lip. Thus, even without being deformed, it can substantially completely close the opening.
  • the at least one closure element is formed from an elastic and / or flexible material. This makes it possible, in particular, for it to be pulled by a suction in the suction nozzle against an edge of the lip on which it is not arranged or formed.
  • the suction flow can be used in particular to simultaneously close an opening supportive.
  • the closure element has one or more apertures or cuts.
  • the at least one closure element is designed in the form of a closure rib.
  • This may be formed, for example, in the form of a flat projection, which, however, may also have an increasing height with increasing distance from the supporting lip edge or wiper lip edge.
  • the at least one locking rib is arranged or formed running transversely to the side edge.
  • Such a closure rib forms a fluidic obstacle which, in particular due to a higher pressure loss, also results in a reduction of the secondary air flow through the opening.
  • the at least one locking rib could also be arranged transversely to the side edge or designed to close the opening completely or partially.
  • closure rib is formed following a course of the adjacent support lip inner profile element or stripper lip inner profile element.
  • the sealing rib can also carry the suction flow, in particular towards the suction opening and the suction channel.
  • the wiper lip and the support lip define the suction opening between them. In this way, cleaning liquid, which is located on the hard surface to be cleaned, are sucked through the suction opening safely and defined.
  • the hard surface suction device then also has the advantages described above in connection with preferred embodiments of suction nozzles.
  • FIG. 1 is a perspective view of a hard surface suction device
  • FIG. 2 is a perspective view of a first embodiment of a suction nozzle
  • Figure 3 is a view of the suction nozzle similar to Figure 2, but with part of the wiper lip removed;
  • FIG. 4 shows a perspective view of the suction nozzle from below
  • FIG. 5 a side view of the suction nozzle
  • Figure 6 is a sectional view taken along line 6-6 in Figure 2;
  • Figure 7 a plan view of the support lips inside in the direction of
  • FIG. 8 a perspective view of the support lip inside
  • FIG. 9 a perspective view of the support lip outside
  • FIG. 10 shows a view of the support lip in the direction of the arrow D in FIG. 8.
  • FIG. 1 schematically shows a portable hard surface cleaning device 10, specifically in the form of a hard surface suction device 12 designed as a portable handset that can be operated independently of the mains, with which liquid can be extracted from a hard surface, for example water from a window pane.
  • the Hartvidabsaug réelle 12 can be held by a user with one hand on a handle 14 thereof and guided in the manner of a conventional, having a rubber lip puller on the hard surface along.
  • the Hartvidabsaug réelle 10 includes a housing 16 which also forms the handle 14 and a suction device 18 with a suction turbine 20 and an electric motor 22 for driving the same receives.
  • the housing 16 is also at least one rechargeable battery, in particular a lithium-ion battery, arranged to supply power to the electric motor 22nd
  • the housing 16 further defines a standing surface 26, which allows the Hart vomabsaug réelle 12 in an upright position, as shown schematically in Figure 1, on a footprint, such as a table surface, to be able to set.
  • a recess is formed, in which a removable dirty liquid tank 28 is arranged. It serves to accommodate
  • the housing 16 of the hard-surface suction device 12 can be detachably connected to a suction nozzle 30.
  • the suction nozzle 30 can be removed from the housing 16.
  • suction nozzle 30 The construction of the suction nozzle 30 will be explained in more detail below in connection with FIGS. 2 to 6.
  • the suction nozzle 30 comprises a suction nozzle housing, designated overall by the reference numeral 32, which is formed in several parts.
  • a suction channel 36 is arranged, the rear end 38, also referred to as Saugkanalende, with the housing 16 can be coupled.
  • the end 38 of the suction channel 36 is coupled to the suction device 18.
  • the suction channel 36 defines with its end facing away from the end 38 a straight, optionally curved, extending suction opening 40 which is formed between a wiper lip 42 and a cooperating with this support lip 44.
  • the wiper lip 42 and the support lip 44 are formed of a flexible material.
  • suction nozzle 30 in particular the support lip 44, will be explained in more detail below in connection with FIGS. 2 to 10.
  • the support lip 44 defines a support lip edge 46, the wiper lip 42 a wiper lip edge 48, which defines a front end 50.
  • the support lip 44 has, on a support lip outer side 54, which points away from the wiper lip 42 and which defines a support lip outer surface 56, a support lip profile 58 with a plurality of support lip profile elements 60 arranged or formed on the support lip outer side 54.
  • the support lip profile elements 60 have support lip profile element surfaces 62 pointing away from the support lip outer side 54 and forming part of the support lip outer surface 56. This is particularly evident in FIGS. 4 and 9.
  • all support lip profile elements 60 in the form of profile recesses 64 are formed. These can optionally also be designed as profile elevations.
  • the support lip outer surface 56 defines a support lip outer surface region 66 that does not have or support supporting lip profile members 60. He is thus not defined by the support lip profile 58.
  • the support lip profile elements 60 transition tangentially into the support lip outer surface region 66. They form with this a common support lip profile element edge 68. This is, as can be seen in particular in Figures 4 and 9, substantially U-shaped and pointing in the direction of the support lip edge 46 out open.
  • the support lip profile element edge 68 is parabolic or substantially parabolic.
  • the support lip profile elements 60 extend transversely in a direction, namely perpendicular to the support lip edge 46. This defines a straight line 70 and a plane 72, respectively.
  • the support lip outer surface 56 is in a basic position in which the support lip 44 is undeformed, flat or substantially planar.
  • the support lip outer surface area 66 in the basic position of the support lip is flat or substantially planar.
  • a support lip profile element width 74 of each support lip profile element 60 increases, starting from a support lip profile element end 76 facing away from the support lip edge 46, towards the support lip edge 46. As can be seen in FIGS. 4 and 9, the support lip profile element width 74 increases in dependence on a distance 78 from the support lip profile element end 76.
  • the support lip 44 has two lateral edges 80 extending transversely to the support lip edge 46.
  • the support lip profile element width 74 or a projected area defined by the support lip profile element edge 68 increases with decreasing distance 82 of the support lip profile element 60 from one of the two side edges 80.
  • a support rib profiieiement 60 is the wider, the closer it is located at one of the side edges 80.
  • a contour of the support lip profile elements 60 can be defined in the embodiment of the suction nozzle 30 shown in the figures, in particular by a function which depends on the distance 78 from the support lip profile element end 76 and / or the distance 82 from one of the side edges 80.
  • a maximum support lip profile element depth 84 relative to the support lip outer surface area 66 is less than half the thickness 86, which can also be referred to as support lip thickness, of the support lip 44 in the area of the support lip outer surface area 66.
  • the contour of the supporting lip profile element edge 68 towards the supporting lip profile element end 76 is rounded off.
  • the contour can also end sharply here.
  • the support lip 44 further comprises starting from the support lip edge 46 a plurality of substantially regularly juxtaposed Stauerlip- penausrise strictly adoptedungen 88 which extend transversely to the support lip edge 46, namely perpendicular to this, over the entire thickness 86 of the support lip 44.
  • FIG. 7 shows a surface 90 of a hard surface 92 to be cleaned, which projects perpendicularly with respect to the support lip 44.
  • the Stauerlippen- recesses 88 thus form in cooperation with the surface 90 openings 94 through which cleaning fluid and air can flow.
  • the profile recesses 64 are arranged such that they open into the support lip recesses 88. They thus extend as far as the support lip recesses 88, which thus virtually form part of the support lip edge 46.
  • the profile recesses 64 are separated from each other. Alternatively, it is conceivable to bring the profile depressions 64 together in the direction of the support lip edge 46 and to form them into one another or to connect them to one another.
  • the support lip profile element ends 76 of the support lip profile elements 60 can be inserted into at least two, for example all, support lip sections.
  • the support lip profile elements 60 can open in the direction of the support lip edge 46 in a at least two, in particular all, support lip profile elements interconnecting second fluid channel 98. This can in particular run parallel or substantially parallel to the supporting lip edge 46.
  • Such a second fluid channel 98 is also shown schematically in dashed lines in the enlarged detail of FIG.
  • the support lip 44 has a support lip width 100.
  • a distance 102 of the support lip profile element ends 76 from the support lip edge 46 of the support lip profile elements 60 is less than one half of the support lip width 100. In the embodiment shown in the figures, the distance 102 carries about one quarter of the support lip width 100.
  • the support lip 44 is injection-molded onto a lower housing part 104 of the suction nozzle 30.
  • the number of support lip profile elements 60 corresponds to the number of StauerlippenausEnglishept 88.
  • an integer multiple or any multiple of support lip profile elements 60 may be provided in relation to the Stauerlippenausappelgeber.
  • the support lip 44 optionally further comprises, on a support lip inner side 106 which faces the wiper lip 42 and defines a support lip inner surface 108, a support lip inner profile 110 with a plurality of support lip inner profile elements 112 arranged or formed on the support lip inner side 106. These also have support lip inner profile element surfaces 114 facing away from the support lip inside 106 and forming part of the support lip inner surface 108.
  • the support lip inner profile elements 112 are formed in the form of supporting lip inner profile projections 116. Two support lip inner profile elements 112 each define a support lip inner air guide 118 between them.
  • the number of supporting lip profile elements 60 in the exemplary embodiment of the suction nozzle 30 shown in the figures corresponds to the number of support lip inner profile elements 112 and the support lip inner air ducts 118. This is evident in particular from FIG.
  • the thickness 86 of the support lip 44 decreases towards the support lip edge 46 out.
  • the support lip 44 is bevelled on the support lip outer side 54 to the support lip edge 46 and has a chamfer 120 on.
  • the chamfer 120 or bevel on the support lip outer surface 54 transitions tangentially into the support lip outer surface region 66 to define a chamfer edge 122 that is parallel or substantially parallel to the support lip edge 46.
  • a distance 124 of support lip inner profile element ends 126 of the support lip inner profile elements 112 from the support lip edge 46 is greater than half the support lip width 100.
  • the support lip width 100 preferably corresponds to at least 10 times the thickness 86 of the support lip 44.
  • a width 128 of the wiper lip 42 transverse to the wiper lip edge 48 also corresponds to at least 5 times a wiper lip thickness 130 of the wiper lip 42. This ratio can also be at least 15 or at least 25 for the support lip 44 amount, for the wiper lip 42 at least 8 or at least 15.
  • the wiper lip 42 is releasably connectable to the suction nozzle 30.
  • the suction nozzle 30 has a suction nozzle housing 132 on which a Abstreiflippenfact 134 is formed.
  • a coupling element 136 formed on the wiper lip 42 can be received positively and / or positively.
  • the coupling element 136 is in the form of a bead-like, parallel to Abstreiflippenkante 48 extending, a rear end 138 of the wiper lip 42 forming thickening 140 is formed.
  • the support lip inner profile elements 112 define spacer elements 142 with the wiper lip 42 for the wiper lip 42 facing the wiper lip 42. Front tips 146 of the support lip inner profile elements 112 facing the support lip edge 46 are chamfered or chamfered.
  • the ends 146 of the support lip inner profile elements 112 extend up to the support lip edge 46. Optionally, they may also be spaced or formed from this.
  • the support lip inner profile elements 112 are arranged or curved in a partially curved manner. A curvature thereof increases with decreasing distance toward the side edges 80.
  • the support lip inner profile elements 112 are formed on the side edges 80 facing out substantially convex curved.
  • the support lip inner profile element ends 126 point in the direction of the suction channel 36.
  • the support lip inner profile elements 112 have a teardrop shape or a teardrop shape. This has the support lip edge 46 towards a substantially semicircular contour. Pointing away from the support lip edge 46, the drop shape runs pointedly.
  • the teardrop-shaped tion of the support lip inner profile elements 112 defines a center line 150, which may extend in particular in the support lip inner profile elements 112 in the region of the side edges 80 curved.
  • a gate can be provided, which forms an inner boundary of the suction nozzle 30.
  • This may be designed to be movable, so that it automatically moves the boundary in the event of deformation of the support lip 44 in the direction of the support lip edge 46. This variant is not shown in the figures.
  • the suction nozzle 30 further comprises two closure elements 152, which at least partially, preferably completely close a formed between the wiper lip 42 and the support lip 44 side opening 154.
  • the closure elements 152 may be formed such that they close the opening 154 in an opening region 156 facing away from the support lip edge 46, which is shown schematically in dashed lines in FIG.
  • the closure elements 152 are formed in the form of wall sections 158 on the support lip 44.
  • the closure elements 152 could also be arranged or formed on the wiper lip 42.
  • the wall sections 158 are formed transversely, in particular perpendicularly projecting from the support lip 44. They are formed of an elastic or flexible material and preferably formed integrally with the support lip 44 or alternatively with the wiper lip 42.
  • closure elements may have one or more apertures 160 having openings 160, which are drawn as dashed lines as optional features in FIG. 9 in the detail enlargement.
  • closure elements may be in the form of one or more sealing ribs extending transversely to the side edge 80 and optionally arranged or formed following a course of the adjacent support lip inner profile element 112.
  • the suction nozzle 30 makes it possible in particular, when applying the support lip 44 to the hard surface 92, both the support lip 44 and the cooperating with this wiper lip 42 to deform so that the housing 16 of the Hart vomabsaug réelles 12 by an angle of up to 90 ° or more can be pivoted.
  • This allows the Hart vomabsaug réelle applied to a vertical hard surface 92 with the suction nozzle 30 and, for example, a floor-deep window from top to bottom in one go and to pivot the housing 16 near the bottom so far that it does not with the ground comes into contact.
  • the support lip 44 and wiper lip 42 are greatly deformed. Due to the support lip profile 58, however, the function of the Hartvidaug réelles 12, in particular a forgiving use for an operator, guaranteed to achieve a perfect cleaning effect for befindliches on the hard surface 92 cleaning liquid.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

L'invention vise à améliorer en particulier une manipulation d'une buse d'aspiration, en particulier pour un appareil d'aspiration portable de surfaces dures, comprenant un dispositif d'aspiration, la buse d'aspiration présentant une ouverture d'aspiration à laquelle se raccorde un canal d'aspiration dont l'extrémité de canal d'aspiration, opposée à l'ouverture d'aspiration, peut être raccordée ou et raccordée au dispositif d'aspiration, au moins une lèvre de raclage souple, qui s'étend le long de l'ouverture d'aspiration et présentant un bord de lèvre de raclage s'écartant de l'ouverture d'aspiration et s'étendant dans le sens de celle-ci, et une lèvre de support s'étendant parallèlement ou de manière sensiblement parallèle à celle-ci, présentant un bord de lèvre de support s'écartant de l'ouverture d'aspiration et s'étendant dans le sens de celle-ci, étant disposées ou réalisées au niveau de la buse d'aspiration, lors du nettoyage au niveau du sol de surfaces dures, en particulier de surfaces dures verticales. Selon l'invention, la lèvre de support présente, au niveau d'un côté externe de lèvre de support s'écartant de la lèvre de raclage, qui définit une surface externe de lèvres de support, un profil de lèvre de support doté d'une multitude d'éléments de profil de lèvre de support disposés ou réalisés au niveau du côté externe de la lèvre de support et les éléments de profil de lèvre de support présentent des surfaces d'élément de profil de lèvre de support s'écartant du côté externe de la lèvre de support qui forment une partie de la surface externe de la lèvre de support. L'invention concerne en outre un appareil d'aspiration amélioré de surfaces dures.
PCT/EP2014/068424 2014-08-29 2014-08-29 Buse d'aspiration et appareil d'aspiration de surfaces dures WO2016029967A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL14756077T PL3185741T3 (pl) 2014-08-29 2014-08-29 Dysza ssąca i urządzenie odsysające do twardych powierzchni
EP14756077.5A EP3185741B1 (fr) 2014-08-29 2014-08-29 Buse d'aspiration et aspiratuer pour surfaces dures
CN201480081510.4A CN106793897B (zh) 2014-08-29 2014-08-29 抽吸嘴和硬质面抽吸设备
PCT/EP2014/068424 WO2016029967A1 (fr) 2014-08-29 2014-08-29 Buse d'aspiration et appareil d'aspiration de surfaces dures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/068424 WO2016029967A1 (fr) 2014-08-29 2014-08-29 Buse d'aspiration et appareil d'aspiration de surfaces dures

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Publication Number Publication Date
WO2016029967A1 true WO2016029967A1 (fr) 2016-03-03

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EP (1) EP3185741B1 (fr)
CN (1) CN106793897B (fr)
PL (1) PL3185741T3 (fr)
WO (1) WO2016029967A1 (fr)

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EP3195780A1 (fr) * 2016-01-22 2017-07-26 Leifheit AG Buse d'aspiration
WO2018059679A1 (fr) * 2016-09-28 2018-04-05 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration et appareil d'aspiration pour surfaces dures
US11229338B2 (en) 2019-12-04 2022-01-25 Bissell Inc. Handheld extraction cleaner
US11432696B2 (en) 2016-11-01 2022-09-06 Bissell Inc. Handheld extraction cleaner
US11793378B2 (en) 2021-11-17 2023-10-24 Bissell Inc. Handheld extraction cleaner
USD1025521S1 (en) 2021-11-16 2024-04-30 Bissell Inc. Portable carpet cleaner

Families Citing this family (3)

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DE102017007186A1 (de) 2017-07-27 2019-01-31 Robert Bosch Gmbh Reinigungsvorrichtung
DE102017121208A1 (de) * 2017-09-13 2019-03-14 Alfred Kärcher SE & Co. KG Flächenreinigungsgerät
PL3758568T3 (pl) * 2018-02-26 2024-03-04 Alfred Kärcher SE & Co. KG Dysza ssąca i przenośne urządzenie odsysające do twardych powierzchni

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DE3447774A1 (de) * 1984-01-04 1985-07-11 Alfred Gächlingen Schnetzler Reinigungsgeraet fuer glatte oberflaechen, insbesondere fenster, decken und waende
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WO2009086891A1 (fr) 2008-01-11 2009-07-16 Alfred Kärcher Gmbh & Co. Kg Dispositif portable d'aspiration de surfaces dures
WO2009086893A2 (fr) * 2008-01-11 2009-07-16 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration
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WO2014113901A1 (fr) * 2013-01-25 2014-07-31 Sun Yuhang Dispositif d'aspiration portatif de nettoyage de surface

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US3107387A (en) * 1962-02-26 1963-10-22 Katt Sam Double action squeegee
DE10153801B4 (de) * 2001-11-05 2008-08-28 Carl Freudenberg Kg Wischerplatte für ein Reinigungsgerät
FR2940035B1 (fr) * 2008-12-19 2012-11-16 Seb Sa Suceur d'aspirateur

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US3254360A (en) * 1961-11-13 1966-06-07 Whirlpool Co Window washer with vacuum pick-up
DE3447774A1 (de) * 1984-01-04 1985-07-11 Alfred Gächlingen Schnetzler Reinigungsgeraet fuer glatte oberflaechen, insbesondere fenster, decken und waende
WO2009086891A1 (fr) 2008-01-11 2009-07-16 Alfred Kärcher Gmbh & Co. Kg Dispositif portable d'aspiration de surfaces dures
WO2009086893A2 (fr) * 2008-01-11 2009-07-16 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration
CN101427899A (zh) * 2008-12-05 2009-05-13 黄有光 玻璃真空清洁刷
WO2014113901A1 (fr) * 2013-01-25 2014-07-31 Sun Yuhang Dispositif d'aspiration portatif de nettoyage de surface
CN103251347A (zh) * 2013-06-03 2013-08-21 中山市金舜家庭用品有限公司 一种可喷雾或喷水的表面清洁装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3195780A1 (fr) * 2016-01-22 2017-07-26 Leifheit AG Buse d'aspiration
WO2018059679A1 (fr) * 2016-09-28 2018-04-05 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration et appareil d'aspiration pour surfaces dures
EP3518720B1 (fr) 2016-09-28 2020-07-01 Alfred Kärcher SE & Co. KG Buse d'aspiration et appareil d'aspiration de surfaces dures
US11432696B2 (en) 2016-11-01 2022-09-06 Bissell Inc. Handheld extraction cleaner
US11930974B2 (en) 2016-11-01 2024-03-19 Bissell Inc. Handheld extraction cleaner
US11229338B2 (en) 2019-12-04 2022-01-25 Bissell Inc. Handheld extraction cleaner
USD1025521S1 (en) 2021-11-16 2024-04-30 Bissell Inc. Portable carpet cleaner
US11793378B2 (en) 2021-11-17 2023-10-24 Bissell Inc. Handheld extraction cleaner

Also Published As

Publication number Publication date
EP3185741B1 (fr) 2019-10-09
CN106793897B (zh) 2020-06-12
PL3185741T3 (pl) 2020-04-30
EP3185741A1 (fr) 2017-07-05
CN106793897A (zh) 2017-05-31

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