EP3758568A1 - Buse d'aspiration et appareil d'aspiration portable pour surfaces dures - Google Patents

Buse d'aspiration et appareil d'aspiration portable pour surfaces dures

Info

Publication number
EP3758568A1
EP3758568A1 EP18707365.5A EP18707365A EP3758568A1 EP 3758568 A1 EP3758568 A1 EP 3758568A1 EP 18707365 A EP18707365 A EP 18707365A EP 3758568 A1 EP3758568 A1 EP 3758568A1
Authority
EP
European Patent Office
Prior art keywords
housing
suction nozzle
fixing part
suction
nozzle according
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
EP18707365.5A
Other languages
German (de)
English (en)
Other versions
EP3758568C0 (fr
EP3758568B1 (fr
Inventor
Christian Stewen
Mathias KRIEG
Damiano BARUFFALDI
Ottorino Gorni
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
Priority to PL18707365.5T priority Critical patent/PL3758568T3/pl
Publication of EP3758568A1 publication Critical patent/EP3758568A1/fr
Application granted granted Critical
Publication of EP3758568C0 publication Critical patent/EP3758568C0/fr
Publication of EP3758568B1 publication Critical patent/EP3758568B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0019—Details of the casing

Definitions

  • the invention relates to a suction nozzle for a portable Hartvidabsaug réelle for withdrawing and aspirating a liquid from a hard surface, in particular of a window, with a housing having on a front side housing a mammal opening, which is followed by a suction channel, which connects to a Vacuum source can be connected, and with an elastically deformable Abziehlippe, which is held interchangeable on the housing front side.
  • the invention relates to a portable Hart vomabsaug réelle with such a suction nozzle.
  • a suction nozzle and a portable Hartvidaug réelle for removing and sucking a liquid from a hard surface are known from the publication DE 20 2008 018 112 Ul. They are used in particular for cleaning window panes, but also for cleaning other hard surfaces, for example shower cubicle walls, glass doors or tiled walls.
  • the suction nozzle has a housing with a housing end face on which a mammalian opening is arranged. The mammal opening is followed by a suction channel, which is connectable to a vacuum source of the portable Hartvidabsaug réelles.
  • On the housing end an elastically deformable Abziehlippe is interchangeably held, which protrudes in the direction away from the suction channel forward from the housing end face.
  • the portable Hartvidabsaug réelle can be moved with the interchangeable Abziehlippe like a manual Novaabziehers along the hard surface, so that by means of Abziehlippe liquid can be removed from the hard surface.
  • the liquid accumulates at the mammal opening of the suction nozzle and a mixture of liquid and air can be aspirated from the mammalian opening.
  • the portable Hartvidabsaug réelle on a suction unit, which is in flow communication with the suction nozzle.
  • the separated liquid can be collected in a liquid tank of the portable hard surface suction device, which can be emptied if necessary.
  • the extracted air can be discharged from the suction unit to the surroundings of the hard surface suction device.
  • the suction nozzle can have an elastically deformable support lip, which is likewise arranged on the housing front side and is covered by the peel-off lip.
  • the Abziehlippe is subject in particular when removing liquid from tiled walls some wear and should therefore be replaced from time to time.
  • the Ausziehlippe known from DE 20 2008 018 112 Ul at its dipping into the housing rear end on a thickening, which extends from a first side edge of the Abzieh- lip to a second side edge and from a parallel to the housing end face aligned receiving channel of the housing is positively received.
  • To replace the Abziehlippe can be pulled laterally out of the housing and a new Abziehlippe can be inserted laterally into the housing, wherein the thickening is immersed in the receiving channel.
  • the replacement of the Abbehlippe requires a certain skill of the user and is often not readily apparent to the user.
  • Object of the present invention is therefore to develop a suction nozzle of the type mentioned in such a way that the Abziehlippe can be replaced in a simpler way, without the Abziehlippe and the housing se must have a very high dimensional stability.
  • a suction nozzle of the generic type this object is achieved according to the invention in that the suction nozzle has a fixing part which can be moved back and forth relative to the housing between a fixing position and a release position, the lifting lip being fixed in the fixing position of the fixing part with the aid of the fixing part on the Housing can be fixed and is separable from the housing in the release position of the fixing part.
  • the suction nozzle according to the invention has a fixing part for fixing the replaceable Abziehlippe on the housing front side.
  • the fixing member is movable relative to the housing between a position defining the Abziehlippe (fixed position) and the Abziehlippe releasing position (release position) back and forth.
  • the interchangeable Abziehlippe can be fixed by means of the fixing part on the housing front.
  • the user can move the fixing part in the fixed position.
  • the fixing part can move the fixing part in a release position in which the fixing part releases the Abziehlippe. In the release position, the fixing part is no obstacle to the Abziehlippe so that they are easily separated from the housing.
  • Such a configuration makes it easier for the user to change the peel lip, since he only has to move the fastening part from the locking position to a release position, in order to then remove the peel lip from the housing.
  • the user can then position another Abziehlippe on the housing and then transfer the fixing part again in its fixed position, so that then the new Abziehlippe is set by means of the fixing part on the housing.
  • the fixing part can be moved back and forth between the fixing position and the release position without tools. This makes it easier for the user to change the Abziehlippe, as he requires no tool for this purpose.
  • the user can move the fixing part without tools from the fixing position to a release position, then replace the Abziehlippe and then move the fixing part without tools back to the set position.
  • the housing on the housing end face on a support edge on which a rear end portion of the Abziehlippe is positionable
  • the fixing part has a retaining strip, which is positionable on the rear end portion of the Abziehlippe.
  • the support edge may form a bearing surface for the rear end portion of the Abziehlippe and thereby support the Abziehlippe, and the retaining strip may cover the rear end portion of the Abziehlippe at least partially.
  • the retaining strip extends from a first side edge of the Abziehlippe to a second side edge of the Abziehlippe. In such a configuration, the rear end portion of the Abziehlippe between the side edges of the Abziehlippe be completely covered by the retaining strip. This allows a mechanical very strong determination of the Abziehlippe the housing.
  • the rear end portion of the Abziehlippe and the support edge of the housing at an angle to a longitudinal axis of the suction nozzle aligned projections which engage behind each other.
  • the mutually engaging projections ensure that the Abziehlippe not readily forward, that is, in the direction away from the suction channel direction can be pulled out of the housing.
  • the mutually engaging projections are aligned at an angle to the longitudinal axis of the suction nozzle.
  • an alignment of the projections perpendicular to the longitudinal axis of the suction nozzle has proved to be advantageous.
  • the protrusions may extend perpendicular to the longitudinal axis along the entire rear end portion of the trimming lip and along the entire support edge of the housing.
  • the fixing part is advantageously detachably connectable to the housing. In particular, it can be provided that the fixing part in the fixing position forms a force or positive connection with the housing and, if necessary, can be moved into the release position.
  • the fixing part can be releasably connected to the housing without tools.
  • the user does not need a tool to connect the fixing part to the housing and to release the connection again when needed.
  • the fixing part can be releasably latched to the housing.
  • the fixing part preferably has at least one first latching element, which engages behind a second latching element arranged on the housing in the fixing position.
  • the at least one first latching element is arranged on a rear side of the fixing part and if the at least one second latching element is arranged on an end section of the suction channel projecting from a rear side of the housing.
  • the suction channel extending through the housing has an end section protruding from the rear side of the housing.
  • This end portion may be designed pluggable connectable, for example, with a base body of the portable Hartvidabsaug- device.
  • the end section of the suction channel can be inserted into an inlet channel of the base body for producing a flow connection between the suction nozzle and the suction unit of the hard surface suction device.
  • the latching connection between the fixing part and the housing takes place. If the user disconnects the suction nozzle from the main body of the hard-surface suction device, then the end section of the projection projecting out of the rear side of the housing of the suction nozzle is Suction channel accessible and he can solve the locking connection between the at least one first locking element, which is arranged at the back of the fixing part, and the at least one second locking element, which is arranged at the end portion of the suction channel in a simple manner to the fixing part to move into a release position in which the Abziehlippe can be separated from the housing.
  • the fixing part is separable from the housing. This makes it possible to completely separate the fixing part from the housing of the suction nozzle to replace the Abziehlippe.
  • the fixing part may have a planar configuration.
  • the fixing part in the fixed position covers at least partially an outside of the housing.
  • the fixing part is arranged in the fixing position on an outer side of the housing, and the outer side is at least partially covered by the fixing part.
  • the fixing part on a cover plate, which covers an outside of the housing at least partially in the fixed position of the fixing part.
  • the housing has on an outer side a receptacle into which the fixing part can be inserted.
  • the fixing part is displaceable along an outer side of the housing of the suction nozzle.
  • the fixing part can be moved relative to the housing.
  • the fixing part is initially displaceable along an outer side of the housing and subsequently separable from the housing.
  • the fixing part can be acted upon in the fixed position of the housing with a holding force directed towards the housing.
  • the fixing part is acted upon in the fixed position with a force in the direction of the housing.
  • Such a configuration is particularly advantageous if a rear end portion of the Abziehlippe occupies a position between the housing and the fixing part, because by the application of the fixing part with a holding force in the direction of the housing can be structurally simple way to ensure that between the fixed part and the housing arranged rear end portion of the Abziehlippe can not be easily moved in the direction away from the suction channel forward direction.
  • the fixing part has first holding elements which, in the fixing position of the fixing part, can be acted on by a holding force in the direction of the housing from the second holding elements fixedly arranged on the housing.
  • the first and second holding elements may together form a linear guide for displacing the fixing part relative to the housing.
  • the first and second holding elements in such a configuration of the invention have a guiding function by forming a linear guide for the fixing part, so that the fixing part is relatively can be moved to the housing.
  • the first and / or second holding elements are conveniently designed rib-shaped or L-shaped.
  • the housing has guide openings, into each of which a first retaining element can be inserted, wherein in each case a second retaining element is arranged within the housing in alignment with the guide openings.
  • the guide openings are arranged on an end wall of the housing, on the outside of which the Abziehlippe connects.
  • the housing On the outer side of the end wall, the housing can form a support edge on which a rear end portion of the Abziehlippe can be positioned, which in turn can be at least partially covered by a retaining strip of the fixing part.
  • the housing of the suction nozzle preferably has two housing half-shells, which form the suction channel between them.
  • the two housing half-shells can be connected to one another by means of connecting screws, wherein the connecting screws in the fixing position of the fixing part can be covered by the fixing part.
  • the Abziehlippe has in a particularly preferred embodiment of the invention in a direction away from the suction channel forward direction of the housing front side projecting longitudinal section, followed by a in the undeformed basic position of the Abziehlippe inclined to the longitudinal section free end portion.
  • the Abziehlippe example, an L-shaped profile with a first leg, which forms the longitudinal portion, and with a first leg to the first leg obliquely or vertically aligned second leg, the free end portion forms.
  • the free end portion may be formed significantly shorter than the longitudinal portion, so that the profile of the Abziehlippe is configured substantially hook-shaped.
  • the suction nozzle may have, in addition to the replaceable Abziehlippe a arranged on the housing end side support lip.
  • the Abziehlippe is reinforced, especially in their peripheral areas.
  • the stripping lip has at least one reinforcing rib on its upper side facing away from the support lip.
  • the Abziehlippe has on its longitudinal sides in each case a side edge.
  • At least one reinforcing rib is arranged at a distance from each side edge.
  • two reinforcing ribs extending parallel to the side edge are positioned at a distance from each side edge.
  • the invention relates not only to a suction nozzle but also to a portable hard surface suction device with a suction nozzle, as has been explained in detail above.
  • the portable hard-surface suction device is preferably designed as a hand-held device which can be carried by the user with one hand and can be guided along a hard surface, in particular on a window pane, in the manner of a manual window puller.
  • the portable Hartvidabsaug réelle has in addition to the above-mentioned suction nozzle on a suction unit, which with the suction nozzle in Strö- mungsISS stands for sucking a liquid-air mixture of the hard surface.
  • the portable Hartvidabsaug réelle on a separation device which is arranged in the flow path between the suction nozzle and the suction unit for the separation of liquid from the aspirated liquid-air mixture.
  • the portable Hartvidabsaug réelle has a liquid tank for receiving the separated liquid.
  • a suction flow can be generated at the mammal opening of the suction nozzle, under the effect of which a mixture of liquid and air can be sucked into the suction channel.
  • the aspirated liquid can be separated from the mixture of liquid and air with the aid of the separating device and transferred into the liquid tank.
  • the aspirated air can be released through the air outlet openings of the portable hard surface suction device to the environment.
  • FIG. 1 shows a perspective view of a portable hard surface suction device with a suction nozzle, which is held detachably on a base body;
  • Figure 2 a perspective view of Hart insectsabsaugêts
  • FIG. 3 shows a perspective view of the suction nozzle of the hard surface suction device from FIG. 1;
  • Figure 4 is a plan view of the suction nozzle of Figure 3;
  • Figure 5 is a sectional view of the suction nozzle taken along line 5-5 in Figure 4;
  • Figure 6 is a sectional view of the suction nozzle taken along the line 6-6 in Figure 4;
  • Figure 7 is an enlarged view of detail A of Figure 6;
  • FIG. 8 shows an enlarged view of detail B from FIG. 6;
  • FIG. 9 shows an enlarged view of detail C from FIG. 6;
  • FIG. 10 shows a perspective view of the suction nozzle in the manner of a
  • FIG. 11 shows a perspective view of the suction nozzle obliquely from above, with a fixing part occupying a release position
  • Figure 12 is a perspective view of the suction nozzle obliquely from the front, wherein the fixing part occupies a release position;
  • FIG. 13 is a perspective view of the suction nozzle obliquely from behind, wherein the fixing part assumes a release position;
  • Figure 14 is a schematic representation of a rear end portion of a replaceable Abziehlippe the suction nozzle, wherein the rear end portion rests on a support edge of a housing of the suction nozzle and the fixing part assumes a Festlege ein in which a retaining strip of the fixing member rests on the rear end portion of the Abziehlippe;
  • Figure 15 a schematic representation of the rear end portion of
  • FIG. 16 a schematic representation of the rear end section of FIG.
  • FIGS. 1 and 2 show diagrammatically an advantageous embodiment of a portable hard surface suction device according to the invention, which is assigned the reference numeral 10 as a whole.
  • the Hart romanceabsaugêt has an advantageous embodiment of a suction nozzle 12 according to the invention, which is shown schematically in Figures 3 to 16.
  • the portable Hartvidabsaug réelles 10 liquid can be withdrawn from a hard surface, such as a window, and sucked.
  • the Hartvidabsaug réelle 10 can be moved by the user in the manner of a manual Breabziehers along the hard surface.
  • the portable Hartvidabsaug réelle 10 forms in particular a window cleaning device.
  • the Hart vomabsaug réelle 10 includes a main body 14 having a base housing 16 which forms a handle 18 and surrounds a suction unit 20.
  • the suction unit 20 has a suction turbine 22, which is driven by an electric motor 24.
  • the electric motor 24 is supplied with electrical energy by a rechargeable battery 26 arranged inside the handle 18 and can be switched on and off by the user by means of a switch 28 arranged on the handle.
  • the base housing 16 forms a deposition chamber 30, in which a
  • Separating device 32 for example, a baffle, is arranged and can be acted upon by the suction unit 20 with negative pressure.
  • the separation chamber 30 is in fluid communication with a liquid tank 34, which is detachably held on the base housing 16 via a liquid outlet (not shown in the drawing).
  • a liquid tank 34 On the upper side adjoins the base body 14, the suction nozzle 12, which is pluggable connectable to the base body 14.
  • the suction nozzle 12 has a housing 36, which is formed by a first housing half shell 38 and a second housing half shell 40. The two housing halves 38, 40 are screwed together by means of connecting screws 42. This becomes clear in particular from FIGS. 5 and 12.
  • a mammal opening 46 is arranged, to which a suction channel 48 adjoins.
  • the suction channel 48 extends through the housing 36 and protrudes with a rear end portion 50 of a housing rear side 52 of the housing 36 out.
  • the rear end portion 50 is surrounded by a sealing ring 54 and can be used in an inlet channel 56 of the base housing 16 to establish a liquid-tight and fluid-tight connection between the suction nozzle 12 and the suction unit 20.
  • a replaceable Abziehlippe 58 and a support lip 60 are arranged on the housing end face 44 of the suction nozzle 12.
  • the Abziehlippe 58 and the support lip 60 are elastically deformable.
  • the support lip 60 is materially connected to the second housing half-shell 40.
  • the support lip 60 is integrally formed on the second housing half shell 40.
  • the support lip 60 in combination with the second housing half shell 40 forms an injection molded part of two components, wherein the support lip 60 forms a soft component of the injection molded part and wherein the second housing half shell 40 forms a hard component of the injection molded part.
  • the Abziehlippe 58 and the support lip 60 protrude in the direction of the suction channel 48 facing away from the housing 36 forward.
  • the Abziehlippe 58 engages behind the free end 62 of the support lip 60. It has a subsequent to the housing end face 44 longitudinal portion 64, to which a longitudinal portion 64 inclined forward end portion 66 connects.
  • the Front end portion 66 has a Abziehlippenkante 68, which is arranged in the undeformed basic position shown in the drawing in front of the free end 62 of the support lip 60. This becomes clear in particular from FIG.
  • a rear end portion 70 of the Abziehlippe 58 connects to the longitudinal portion 64, which rests on a support edge 72.
  • the supporting edge 72 is formed by the first housing half-shell 38 and adjoins the front of an end wall 74 of the first housing half-shell 38.
  • the support edge 72 has, on its upper side 76 facing away from the second housing half-shell 40, a projection 78 which is V-shaped in cross-section and perpendicular to a longitudinal axis 80 of the suction nozzle 12 from a first side edge 86 of the stripping lip 58 to a second side edge 88 Abziehlippe along the entire support edge 72 extends.
  • the rear end portion 70 of the Abziehlippe 58 has on its the support edge 72 facing bottom 82 a projection 84 which engages behind the projection 78 of the support edge 72 and extends perpendicular to the longitudinal axis 80 over the entire rear end portion 70.
  • the side edges 86 and 88 of the Abziehlippe 58 are aligned parallel to the longitudinal axis 80 of the suction nozzle 12. At a distance from the side edges 86, 88, two reinforcing ribs 92, 94 and 96, 98 aligned parallel to the longitudinal axis 80 are arranged on the upper side 90 of the leveling lip 58 facing away from the support lip 60, which counteract inadmissibly high deformation of the leveling lip 58.
  • the suction nozzle 12 on a fixing part 100 which serves to fix the removable Abziehlippe 58 on the housing 36.
  • the fixing part 100 is movable relative to the housing 36 between a fixing position shown in FIGS. 3 to 9 and a release position shown in FIGS. 10 to 13.
  • the fixing member 100 can be completely separated from the housing 36, as shown in Figures 10 to 13, and can be releasably connected to the housing 36.
  • the fixing part 100 has a retaining strip 102 which is located in the fixing Position of the fixing part 100 from the first side edge 86 extends to the second side edge 88 and rests on the rear end portion 70 of the removable Abziehlipp 58, so that the Abziehlippe 58 not from the
  • Region between the retaining strip 102 and the support edge 72 of the housing 36 can be pulled forward.
  • the first housing half-shell 38 has, on its upper side facing away from the second housing half-shell 40, a receptacle 104 which is delimited by a first receiving edge 106 of the first housing half-shell 38 and a second receiving edge 108 of the first housing half-shell 38.
  • the two receiving edges 106, 108 surround the upper-side receptacle 104 of the first housing half-shell 38.
  • the receiving edges 106 and 108 each have a front edge region 107 or 109 extending forward beyond the receptacle 104 to the free end of the support edge 72 extends.
  • the support edge 72 is thus bounded laterally by the edge regions 107, 109 of the receiving edges 106, 108.
  • the rear end portion 70 of the removable Abziehlippe 58 can be inserted between the edge regions 107, 109 of the receiving edges 106, 108 and positioned on the support edge 72.
  • the edge regions 107, 109 form abutment surfaces for the replaceable Abziehlippe 58, so that they can perform no movement transverse to the longitudinal axis 80.
  • the fixing part 100 can be inserted into the upper-side receptacle 104 of the first housing half-shell 38, wherein it completely fills the receptacle 104 in its fixing position.
  • the fixing part 100 forms for this purpose
  • Cover plate 110 which covers the receptacle 104.
  • the fixing part 100 On its rear side 112 facing away from the retaining strip 102, the fixing part 100 has an elastically deformable latching hook 114 which, in the fixing position, dips into a catch receptacle 116 formed by the first housing half-shell 38 in the region of the rear end section 50 of the suction channel 48 In this case, a transverse strut 118 of the first housing half-shell 38 engages behind.
  • the fixing part 100 On its underside 120, which faces the first housing half shell 38, the fixing part 100 carries a plurality of spaced-apart first retaining elements 122, which are each configured in an L-shaped manner.
  • the first holding elements 122 engage behind a respective rib-shaped or L-shaped second holding element 124, which is arranged on a bottom wall 128 of the receptacle 104. This becomes clear, in particular, from FIGS. 7 to 9.
  • the bottom wall 128 is formed by the first housing half shell 38 and has in the center a depression 130 which is bridged in the region of the rear end section 50 of the suction channel 48 by the transverse strut 118.
  • the latching hook 114 first dips into the depression 130.
  • the fixing part 100 can be moved backwards along the bottom wall 128, wherein the first holding elements 122 arranged on the lower side 120 of the fixing part 122 each dip into a guide opening 132 of the end wall 74, to which a second holding element 124 adjoins.
  • the fixing part 100 can then be displaced so far back along the bottom wall 128 until the latching hook 114 snaps into the latching receptacle 116 of the first housing half-shell 38 and at the same time reaches the cover plate 110 of the fixing part 100 against the receiving edge edges 106 and 108.
  • the first holding elements 122 in this case form, in combination with the second holding elements 124, a linear guide for the fixing part 100, so that the fixing part 100 can be displaced along the bottom wall 128, without the risk of the fixing part 100 becoming tilted.
  • the cross-sectionally L-shaped first holding elements 122 engage behind the second holding elements 124 during displacement of the fixing part 100 along the bottom wall 128, wherein the fixing part 100 of the first
  • Housing half-shell 38 is acted upon by the second holding elements 124 and the first holding elements 122 with a holding force, under whose effect kung the fixing member 100 pressed against the first housing half-shell 38 becomes.
  • the retaining strip 102 is pressed against the rear end portion 50 of the Abziehlippe.
  • the exchangeable Abziehlippe 58 can be fixed to the housing 36 of the suction nozzle 12.
  • the fixing part 100 assumes its fixing position, in which the retaining strip 102 of the fixing part 100 covers the rear end portion 70 of the removable Abziehlipp 58, so that the Abziehlippe 58 is fixed to the housing 36.
  • the interaction of the retaining strip 102 with the rear end portion 70 of the Abziehlippe 58 and the support edge 72 in the Festlege ein is illustrated in Figure 14.
  • the determination of a Abziehlippe 58 on the housing 36 takes place in the reverse order in which the Abziehlippe 58 is first positioned with its rear end portion 70 on the support edge 72 and then the fixing part 100 is connected to the housing 36 by first the latch hook 114 in the central depression 130 of the bottom wall 128 is inserted and then the fixing part is moved along the bottom wall 128 into its fixing position.
  • the suction nozzle 12 is pluggable connectable to the base body 14 of the hard surface suction device 10.
  • the rear end portion 50 of the suction channel 48 can be inserted into the inlet channel 56 of the base housing 16.
  • a further latching hook 134 which on the underside 136 of the second housing facing away from the first housing half-shell 38 Serenzschale 40 is arranged, the suction nozzle 12 can be latched to the base housing 16.
  • the further latching hook 136 can engage in a not shown in the drawing opening of the base housing 16, and to remove the suction nozzle 12 from the base 16, the user can operate the further latching hook 136, so that the latching connection between the suction nozzle 12 and the base housing sixteenth is solved.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne une buse d'aspiration (12) pour un appareil d'aspiration portable pour surfaces dures (10) destinée à retirer et aspirer un liquide sur une surface dure, en particulier une vitre de fenêtre, comprenant un logement (36) qui présente sur une face frontale dudit logement (44) une ouverture d'aspiration (46) à laquelle se raccorde un canal d'aspiration (48) qui peut être raccordé à une source de dépression, et comprenant une lèvre de retrait (58) déformable élastiquement qui est montée de manière à pouvoir être remplacée sur la face frontale de logement (44). Pour perfectionner la buse d'aspiration (12) de sorte que la lèvre de retrait (58) puisse être remplacée plus simplement sans que la lèvre de retrait (58) et le logement (36) ne présentent obligatoirement une très haute durabilité, la buse d'aspiration (12) selon l'invention comprend un élément de fixation (100) pouvant être déplacé en va-et-vient par rapport au logement (36) entre une position de fixation et une position de libération, la lèvre de retrait (58) pouvant être fixée au logement (36) en position de fixation de l'élément de fixation (100) à l'aide de l'élément de fixation (100) et séparée du logement (36) en position de libération de l'élément de fixation (100). L'invention concerne en outre un appareil d'aspiration portable pour surfaces dures (10) doté d'une telle buse d'aspiration (12).
EP18707365.5A 2018-02-26 2018-02-26 Buse d'aspiration et appareil d'aspiration portable pour surfaces dures Active EP3758568B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18707365.5T PL3758568T3 (pl) 2018-02-26 2018-02-26 Dysza ssąca i przenośne urządzenie odsysające do twardych powierzchni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/054675 WO2019161933A1 (fr) 2018-02-26 2018-02-26 Buse d'aspiration et appareil d'aspiration portable pour surfaces dures

Publications (3)

Publication Number Publication Date
EP3758568A1 true EP3758568A1 (fr) 2021-01-06
EP3758568C0 EP3758568C0 (fr) 2023-08-23
EP3758568B1 EP3758568B1 (fr) 2023-08-23

Family

ID=61283244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18707365.5A Active EP3758568B1 (fr) 2018-02-26 2018-02-26 Buse d'aspiration et appareil d'aspiration portable pour surfaces dures

Country Status (4)

Country Link
EP (1) EP3758568B1 (fr)
CN (1) CN111683574A (fr)
PL (1) PL3758568T3 (fr)
WO (1) WO2019161933A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004966A1 (de) * 2008-01-11 2009-07-23 Alfred Kärcher Gmbh & Co. Kg Saugdüse
CN203042128U (zh) * 2013-02-05 2013-07-10 朱厚林 一种改进的硬质表面的吸水器
PL3185741T3 (pl) * 2014-08-29 2020-04-30 Alfred Kärcher SE & Co. KG Dysza ssąca i urządzenie odsysające do twardych powierzchni
CN105327868B (zh) * 2015-11-10 2017-10-31 朱厚林 一种硬质表面吸水清洁器
CN205458475U (zh) * 2016-01-18 2016-08-17 朱厚林 一种硬质表面吸水清洁器的刮头
DE202016100286U1 (de) * 2016-01-22 2016-02-03 Leifheit Ag Saugdüse
CN107212799A (zh) * 2016-03-22 2017-09-29 宁波永冠电器有限公司 一种多功能吸尘清洁一体机

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EP3758568C0 (fr) 2023-08-23
WO2019161933A1 (fr) 2019-08-29
EP3758568B1 (fr) 2023-08-23
CN111683574A (zh) 2020-09-18

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