WO2016141959A1 - Suceur - Google Patents

Suceur Download PDF

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Publication number
WO2016141959A1
WO2016141959A1 PCT/EP2015/054764 EP2015054764W WO2016141959A1 WO 2016141959 A1 WO2016141959 A1 WO 2016141959A1 EP 2015054764 W EP2015054764 W EP 2015054764W WO 2016141959 A1 WO2016141959 A1 WO 2016141959A1
Authority
WO
WIPO (PCT)
Prior art keywords
floor nozzle
wall
nozzle according
suction
saugkanalwandung
Prior art date
Application number
PCT/EP2015/054764
Other languages
German (de)
English (en)
Inventor
Julia Baumgart
Stephan Siegel
Christoph HÖRSCH
Roger Knee
Melanie KNÖDLER
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 PCT/EP2015/054764 priority Critical patent/WO2016141959A1/fr
Priority to CN201580077390.5A priority patent/CN107427173B/zh
Priority to EP15709148.9A priority patent/EP3264961A1/fr
Publication of WO2016141959A1 publication Critical patent/WO2016141959A1/fr

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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads

Definitions

  • the invention relates to a floor nozzle for a vacuum cleaner comprising a bottom body to which a suction channel with a Saugkanalwandung, a Saugkanaldecke and a Saugkanalraum is arranged, the Saugkanalwandung sits on the Saugkanaldecke, the Saugkanalraum formed between the Saugkanalwandung and the Saugkanaldecke, the suction channel the Saugkanaldecke opposite is open and at least one suction port, which is provided for fluidly effective connection with a suction unit, opens at the Saugkanaldecke in the Saugkanalraum.
  • the invention has for its object to provide a floor nozzle of the type mentioned, which allows good energy efficiency, a good cleaning result.
  • At least one rib is disposed on the Saugkanaldecke, which is positioned in the Saugkanalraum and which has a region which extends beyond a Saugkanaldecke opposite Einhüllendenebene an end of the Saugkanalwandung or which with one end at the envelope level.
  • the floor nozzle When cleaning a textile structure and in particular a carpet, the floor nozzle is placed with the bottom body on the surface to be cleaned.
  • the end face of the Saugkanalwandung and thus the Einhüllendenebene is located on the surface to be cleaned.
  • the at least one rib is flush with the end face or protrudes beyond this end face. It can thereby fibers abut and in particular penetrate into fibers of the textile structure; the Saugkanalwandung superior or flush with her lying at least one rib then provides an additional combing through the textile structure. This improves the dust pickup.
  • the at least one rib can be easily positioned on the suction channel.
  • the at least one rib is arranged at a distance from a longitudinal wall of the suction channel wall, wherein the longitudinal wall is at least approximately parallel to a front wall of the floor nozzle.
  • the at least one rib is connected to at least one transverse wall of the Saugkanalwandung. This results in a stable training. There are dead zones avoided in the suction, in which dust can accumulate.
  • the at least one rib is approximately rectilinear. This makes it easy to produce. Furthermore, it can be easily positioned in the suction channel. It does not appreciably reduce an area of the Saugkanalraums and ensures the additional combing a textile structure.
  • the rib may also have a non-rectilinear shape such as a meander shape or a wave shape or a zigzag shape.
  • a first rib is disposed between a first transverse wall of the suction passage wall and the at least one suction port
  • a second rib is disposed between the at least one suction port and a second transverse wall of the suction passage wall, wherein in particular the first rib and the second rib are aligned with each other are.
  • the at least one rib projects over the envelope plane at a distance in the range of 0 mm to 4 mm and in particular at a distance in the range between 0 mm and 2 mm.
  • the distance is the distance between a tip at the end of the at least one rib and the envelope plane. At the distance 0 mm, this end is at the envelope level. It is advantageous if the Saugkanalwandung without interruption surrounds the Saugkanalraum. This makes it possible to achieve effective dust absorption with good suction power.
  • the suction channel wall includes a first longitudinal wall, a spaced second longitudinal wall, a first transverse wall and a second transverse wall spaced from the first transverse wall, wherein each of the first longitudinal wall and the second longitudinal wall are connected to the first transverse wall and the second transverse wall. It can thereby form a circumferential Saugkanalwandung with a correspondingly good suction result.
  • end faces of the first longitudinal wall, the second longitudinal wall, the first transverse wall and the second transverse wall lie in a plane at least relative to an envelope plane.
  • the front pages themselves can while lying at an angle to the envelope plane.
  • the suction channel can be applied on all sides to a surface to be cleaned and in particular textile surface.
  • the suction channel has a rectangular shape at an open side facing the surface to be cleaned. This results in a good suction result.
  • the suction channel has an area in the range between 50 cm 2 and 200 cm 2 at an open side and in particular has an area in the range between 50 cm 2 and 100 cm 2 .
  • At a suction edge of the suction channel then there is a finite suction edge angle.
  • a flat suction edge angle allows dirt particles to pass through and a larger contact surface to a textile structure increases the suction force.
  • a steeper angle allows combing fibers of a textile structure, but then the suction and thus the dust absorption is reduced. Dirt particles are pushed away by a steeper angle rather than sucked. With an angular orientation in the range between 5 ° and 15 °, the ratio between suction force and dust absorption can be optimized.
  • a distance at the end face of the first longitudinal wall and / or the second longitudinal wall increases away from the suction channel space. This results in an optimization between suction and dust pickup.
  • the Saugkanalwandung is relatively sharp on a suction edge.
  • the Saugkanalwandung on her forehead side has an edge radius of at most 2 mm and in particular of at most 1 mm and in particular of the highest 0.5 mm. This allows the Saugkanalwandung at its edge easier to penetrate into fibers of a textile structure. It provides for (additional) combing through which the dust absorption is improved.
  • suction channel space in the region of the at least one suction channel mouth has its greatest depth with respect to the open side and the depth decreases from this region to transverse walls.
  • the bottom body at least partially in one or more areas which come into contact with a surface to be cleaned, an average roughness R z in the range between 35 pm and 55 m at least with respect to a thrust direction of the floor nozzle.
  • the increased surface roughness on a surface of the bottom body and in particular on the Saugkanalwandung provides improved dust absorption values probably due to improved combing a textile structure.
  • a skid device which has a support surface for a surface to be cleaned, wherein the support surface lies at least approximately on the envelope plane. This allows the suction channel in a "correct position" with respect to a surface to be cleaned drive over the surface to be cleaned. There may be a small defined offset between the support surface and the envelope plane, which is intended to compensate for penetration of the skid device into the surface to be cleaned. It is also advantageous if a distance of the first tilting axis to the envelope plane is at most 15 mm. It is in the operation of the floor nozzle then close to the floor to be cleaned and it is achieved a good circulation.
  • connection for a suction pipe wherein a flexible hose between the connection and the at least one suction mouth is arranged.
  • the flexible hose makes it easy to reach a fluid seal by being sealed to corresponding fittings.
  • the flexible hose allows mobility within the floor nozzle via one or more tilting joints, without affecting the tightness.
  • channels are arranged on a front wall of the floor nozzle between an upper side and a lower side.
  • Channels serve, when the front wall abuts against a wall, that air from the top to the bottom can be provided to optimize the suction result. They are formed for example by grooves in the front wall or between ribs of the front wall.
  • a first tilting joint with a first tilting axis and a second tilting joint spaced apart from the first tilting joint are provided with a second tilting axis, the first tilting axis and the second tilting axis being parallel to one another.
  • the first tilting axis is arranged in the vicinity of the suction channel, wherein the first tilting axis lies at a distance of at most 10 mm from the suction channel, or that the first tilting axis lies against the suction channel.
  • the second tilting joint is arranged in particular in the region of a roller device.
  • the bottom body has a width in the range between 220 mm and 320 mm and in particular the floor nozzle has a width in the range between 220 mm and 320 mm.
  • the greater the energy efficiency for a floor nozzle the broader it is, since one hub covers a larger area.
  • the narrower the bottom nozzle is in the width direction the better the dust pickup because the suction power concentrates on a smaller area. Due to the mentioned width range, an optimum of the ratio between dust absorption and energy efficiency is provided.
  • the floor nozzle according to the invention also has a hard surface cleaning function.
  • a switching device is provided, by means of which it is possible to switch between a textile surface cleaning function and a hard surface cleaning function, wherein in the textile surface cleaning function the suction channel wall can be applied with its end face to the surface to be cleaned.
  • the floor nozzle can be optimized with regard to suction result and energy efficiency both for the textile surface cleaning function and for the hard surface cleaning function.
  • a detectably movable bottom engaging device such as a rubber lip device or brush device is provided, which projects beyond the Saugkanalwandung in Hartlor mecanicsfunktion, so that the ground contact device can be applied to the surface to be cleaned and the Saugkanalwandung spaced from the surface to be cleaned.
  • the floor nozzle in the hard surface cleaning function is optimized separately from the textile surface cleaning function.
  • the floor installation device includes an area in which the at least one suction channel space is positioned.
  • the enclosed area has an area in the range between 110 cm 2 and 250 cm 2 .
  • the at least one suction orifice is positioned in the enclosed area in order to allow extraction with a structurally simple construction of the floor nozzle.
  • the floor installation device has at least one recess on one or more transverse sides, which fluidly connects an outer space with the enclosed area.
  • the rubber lip device should provide a sealed area on the (hard) surface to be cleaned.
  • a front side of the floor installation device comprises continuous recesses for the passage of dirt particles into the enclosed area. This will do that
  • a support device for the floor nozzle is provided in the hard surface cleaning function, which in particular comprises a roller device, wherein a positioning of the support device is coupled to the positioning of the floor installation device.
  • the floor installation device does not have to assume the full support function in the hard surface cleaning function.
  • This can, for example a softer material may be used for the ground engaging device and, for example, a rubber lip of the ground engaging device is repositionable to allow for good adaptability to a ground surface. This results in a simple operation, since during the "activation" of the hard surface cleaning function, the support device is brought into its activation position.
  • the ground engaging device is disposed on a carrier that is movable relative to the bottom body.
  • the switching device acts on the carrier and brings the carrier into a position corresponding to the textile surface cleaning function, in which the floor installation device is not effective, or the hard surface cleaning function, in which the floor installation device can be applied to a floor to be cleaned.
  • a seal and / or circumferential wall is arranged on the carrier and a circumferential wall and / or a seal on the bottom body, wherein in the position of the bottom contact device of the hard surface cleaning function, the wall is pressed against the seal. It can thereby achieve a sealing of the bottom body in a housing for the hard surface cleaning function. This seal is made automatically at the transition to the hard surface cleaning function. As a result, leaks are reduced or prevented, which can lead to energy losses.
  • FIG. 1 shows a perspective view of an embodiment of a floor nozzle according to the invention for a vacuum cleaner in a textile surface cleaning function; a bottom perspective view of the floor nozzle according to Figure 1; a plan view from below of the floor nozzle according to Figure 1; a sectional view taken along line 4-4 of Figure 3; a sectional view taken along the line 5-5 of Figure 3; an enlarged partial view in the view of Figure 5; an enlarged view of the area X of Figure 6 (a); a sectional view taken along the line 7-7 of Figure 3; the same view as Figure 1 in a Hart insectsitess- function with extended Bodenstrom listening; a sectional view taken along line 4-4 of Figure 3 in the hard surface cleaning function; and
  • Figure 10 is a sectional view taken along line 5-5 of Figure 3 in the
  • FIGS. 1 to 10 An embodiment of a floor nozzle, which is shown in FIGS. 1 to 10 and designated therein by 10, comprises a housing 12.
  • the housing 12 has a front wall 14, a rear wall 16, which is spaced from the front wall 14, a first side wall 18, and a second side wall 20 spaced from the first side wall 18.
  • the first side wall 18 is connected to the front wall 14 and the rear wall 16. Further, the second one
  • the housing 12 also has a housing cover 22.
  • the housing cover 22 defines an upper side 24 of the housing 12.
  • the housing 12 has the upper side 24 opposite to a bottom 26 ( Figures 2, 3).
  • a housing interior 28 is formed between the front wall 14, the rear wall 16, the first side wall 18, the second side wall 20 and the housing cover 22, a housing interior 28 is formed.
  • This housing interior 28 is laterally covered by the side walls 18, 20, covered by the front wall 14 to the front, back through the rear wall 16 and up through the
  • the housing 12 has at least approximately a cuboid shape.
  • connection 30 for a suction tube.
  • a suction tube can be inserted and it is thereby a fluid-effective connection to a suction unit of a vacuum cleaner produced.
  • the floor nozzle 10 can also be fixed mechanically to the corresponding suction pipe.
  • a roller device 32 is arranged on the housing 12 in the region of the rear wall 16 outside the housing 12.
  • the roller device 32 comprises one or more rollers, via which the floor nozzle 10 can be supported on a floor surface.
  • the roller or rollers of the roller device 32 are rotatable about an axis 34.
  • the axis 34 is aligned parallel to the front wall 14.
  • On a holder 36 for the role or roles of the roller device 32 sits a web 38, on which in turn the port 30 is seated.
  • the connection 30 comprises a connection body 40, in which a recess 42 is formed.
  • the recess 42 is cylindrical. In them, the suction tube can be inserted and fixed.
  • the recess 42 is formed for example in a seated on the connecting body 40 pipe section 44.
  • a flexible hose 46 is connected, which leads from the pipe section 44 into the housing interior 28 to a mouthpiece 88.
  • the connecting body 40 has a side 48 which is formed so that a housing of a vacuum cleaner, on which the suction pipe is positioned outside the housing, in a particular position and in particular in a standing position can be applied.
  • the side 48 forms a contact surface for this housing of the vacuum cleaner.
  • the holder 36 for the roller device 32 is fixedly connected to the housing 12, wherein it is connected in particular via a web 50 ( Figure 2) with the housing 12 at the rear wall 16.
  • a tilting joint 52 is formed, which is referred to here as the second tilting joint.
  • This second tilting joint 52 is formed, for example, in that the holder 36 has a cylindrical portion 54 on which an element 56 is pivotally mounted, on which in turn the web 38 is firmly seated. The element 56 is orbitally guided on the cylindrical portion 54.
  • An axis of the cylindrical portion 54 coincides with the axis 34 of the roller means 32 for rotational movement of the roller or rollers.
  • a second tilting axis 58 is formed, which coincides with the axis 34.
  • channels 60 On the front wall 14 of the housing 12 spaced channels 60 are arranged, which extend between the top 24 and the bottom 26.
  • the Channels 60 form flow channels. They are formed for example by grooves in the front wall 14.
  • the channels 60 are oriented in particular perpendicularly with respect to a lower edge 62 of the front wall 14 on the underside 26.
  • a thrust direction 64 is provided (FIG. 1) which corresponds to the direction from the rear wall 16 to the front wall 14.
  • the nozzle has a width B between the first side wall 18 and the second side wall 20 which is in the range between 220 mm and 320 mm. In one embodiment, the width B is 260 mm.
  • the greater the width B of the floor nozzle the greater the energy efficiency for vacuuming with a floor nozzle 10, since then a larger area is run over with a stroke.
  • a dust pick-up by a floor nozzle 10 in a suction operation is better, the smaller the width B, because then the suction power can concentrate on a correspondingly smaller area.
  • a bottom body 66 is arranged, which is in particular plate-shaped.
  • the bottom body 66 is fixedly arranged in the housing interior 28 (wherein it may be formed in several parts with mutually movable parts).
  • a suction channel 68 is formed.
  • the suction channel 68 has a Saugkanaldecke 70, which is formed in particular by the bottom body 66.
  • the suction channel 68 also has a Saugkanalwandung 72.
  • the Saugkanalwandung is, for example, integrally disposed on the Saugkanaldecke 70 and protrudes beyond this.
  • the Saugkanalwandung 72 includes a first longitudinal wall 74.
  • the first longitudinal wall 74 is spaced from the front wall 14 of the housing 12 and aligned at least approximately parallel to this front wall 14.
  • the Saugkanalwandung 72 includes a second longitudinal wall 76 which is parallel to the first longitudinal wall 74 and spaced therefrom.
  • the second longitudinal wall 76 is aligned, for example, parallel to the rear wall 16.
  • the first longitudinal wall 74 and the second longitudinal wall 76 are transversely and in particular perpendicular to the side walls 18, 20th
  • the first longitudinal wall 74 and the second longitudinal wall 76 are each connected to a first transverse wall 78 and a second transverse wall 80.
  • the first transverse wall 78 lies adjacent to the second side wall 20 of the
  • the second transverse wall 80 is adjacent to the first side wall 18 of the housing 12, but spaced apart to this.
  • the first transverse wall 78 and the second transverse wall 80 are aligned parallel to the first side wall 18 and second side wall 20, respectively.
  • the first transverse wall 78 and the second transverse wall 80 are at least approximately perpendicular to the first longitudinal wall 74 and the second longitudinal wall 76.
  • the area enclosed by the suction channel wall 72 then has a rectangular shape.
  • the suction channel 68 has a suction channel space 82 which lies between the suction channel cover 70 and the suction channel wall 72.
  • the Saugkanalwandung 72 surrounds without interruption the Saugkanalraum 82, d. H. includes this laterally.
  • the suction channel space 82 is open at the bottom of the housing 12. It is when the floor nozzle 10 is properly positioned to a surface to be cleaned and the bottom 26 faces the surface to be cleaned, open to the surface to be cleaned through an open side 84. In a central region of the Saugkanalraums 82 a suction port 86 is arranged.
  • the hose 46 which is particularly flexible, is connected to a mouthpiece 88, on which the suction orifice 86 is formed. If the floor nozzle 10 is connected to a vacuum cleaner and the vacuum cleaner via a suction unit generates a corresponding suction flow, then this suction flow is at the suction port 86 at.
  • the suction port 86 is formed so that the mouthpiece 88 does not project into the suction channel space 82.
  • a corresponding end face of the mouthpiece 88 is set back relative to the Saugkanaldecke 70 or at most flush.
  • the Saugkanalwandung 72 has an end face 90.
  • the end face 90 of the suction channel wall 72 (with the first longitudinal wall 74, the second longitudinal wall 76, the first transverse wall 78 and the second transverse wall 80) has an envelope plane 92 (FIGS. 5, 6 (a)).
  • the suction channel 68 has a larger cross-sectional area at the open side 84 than the suction port 86.
  • the suction channel 68 provides compared to the suction port 86 has an enlarged Absaugge Scheme on a surface to be cleaned.
  • the floor nozzle 10 comprises a skid device 94.
  • the skid device 94 is arranged outside the suction channel 68 on the bottom body 66.
  • the skid device 94 has a support surface 96, which is a sliding surface and over which the floor nozzle 10 can be supported on the surface to be cleaned during operation in a textile surface cleaning function.
  • the support surface 96 lies on the envelope plane 92 or a defined small offset can be provided.
  • the offset serves to compensate for dipping the support surface 96 into textile material.
  • a support surface 98 of the roller device 32 can lie on the envelope plane 92 due to the second tilting joint 52.
  • the support surface 96 of the skid device 94 lies in particular adjacent to the support surface 98 of the roller device 32.
  • the end face 90 of the Saugkanalwandung 72 is located at the Einhüllendenebene 92.
  • the end face 90 itself is not formed parallel to the Einhüllendenebene 92 in one embodiment, but is at an angle to this ( Figures 6 (a) and 6 (b)).
  • the end face 90a of the first longitudinal wall 74 lies at an acute angle 100 to the envelope plane 92.
  • the end face 90a is present especially trained.
  • the acute angle is in the range between 5 ° and 15 °.
  • the acute angle 100 is 9 °.
  • a distance of the end face 90 from the envelope plane 92 thereby increases away from the suction channel 68 to the front wall 14.
  • the second longitudinal wall 76 has an end face 90b, which is oriented at an angle to the envelope plane 92, and in particular is oriented at an acute angle 102.
  • This acute angle 102 is also in the range between 5 ° and 15 ° and in particular at about 9 °.
  • a distance between the end face 90b of the second longitudinal wall 76 and the envelope plane 92 increases from the suction channel 68 towards the rear wall 16.
  • the acute angles 100, 102 form suction edge angles on the suction channel wall 72.
  • the acute angles 100, 102 are adjusted so that a good relationship between the suction force of the base body 66 with a textile surface cleaning function on the surface to be cleaned and the dust absorption occurs.
  • a shallow angle 100, 102 dirt particles rather through and through a larger contact surface to the surface to be cleaned increases the suction force.
  • a steeper acute angle 100, 102 allows a combing through of fibers of the textile surface to be cleaned, but reduces the suction force and thus the dust absorption. Dirt particles are pushed away by a steeper angle rather than sucked.
  • the radius R of an inscribed circle 106 is used at the edge 104 (FIG. 6 (b)). This radius is in the range between 0 mm and 2 mm. In the case of a radius of 0 mm results in an ideal edge.
  • this radius R is 0.3 mm.
  • a width of the suction channel 68 is slightly smaller than the width B of the floor nozzle 10. It is for example 240 mm.
  • a transverse width perpendicular thereto is for example 32 mm.
  • One surface of the suction channel 68 at the open side 84 is in the range between 60 cm 2 and 200 cm 2 .
  • this area is 77 cm 2 .
  • the suction channel space 82 has a varying depth perpendicular to the open side 84 over a width direction 108 (see FIG. This varying depth is provided by appropriate design of Saugkanaldecke 70 (see also Figure 4).
  • the depth of the suction channel space 82 In this direction 110 (depth direction), the depth of the suction channel space 82, starting from the suction orifice 86, decreases toward the first transverse wall 78 and the second transverse wall 80, respectively. In the area of the suction orifice 86, it has in the Depth direction 110 its greatest depth. At the first transverse wall 78 and the second transverse wall 80, it has its smallest depth, but the depth at the first transverse wall 78 and the second transverse wall 80 is finite (ie greater than zero). It is for example in a range between 1 mm and 10 mm.
  • the Saugkanalraum 82 has a trapezoidal shape.
  • the suction channel space 82 becomes laterally flatter. This will be a good one
  • a rib structure 112 is arranged.
  • the rib structure 112 serves in a textile surface cleaning function of the floor nozzle 10 for additional combing of the textile structure such as a carpet.
  • the rib structure 112 includes a first rib 114 and a second rib 116.
  • the first rib 114 and the second rib 116 are each rib-shaped.
  • the first rib 114 and the second rib 116 are spaced apart from the first longitudinal wall 74 and spaced from the second longitudinal wall 76 at the Saugkanaldecke 70.
  • the distance A is up to 4 mm. In one embodiment, the distance A is 1 mm.
  • the outer end 118 may also be at the envelope level 92.
  • the distance A is then zero; There is then no area 117. Also in this case, an additional combing of a textile structure is achieved.
  • the first rib 114 and the second rib 116 in one embodiment are closer to the first longitudinal wall 74 than the second longitudinal wall 76 (the first longitudinal wall 74 being closer to the front wall 14 of the housing 12 than the second longitudinal wall 76).
  • the first rib 114 and the second rib 116 are bar-shaped and, in one exemplary embodiment, are arranged parallel to the first longitudinal wall 74.
  • the first rib 114 and the second rib 116 have a width perpendicular to the width direction 108, which is considerably smaller than their length in the width direction 108, to form the ridge shape.
  • the first rib 114 extends between the suction port 86 and the first transverse wall 78. It does not protrude into the suction port 86.
  • the second rib 116 extends between the suction port 86, wherein it does not protrude into this, and the second transverse wall 80th
  • first rib 114 is connected to the first transverse wall 78.
  • the second rib 116 is connected to the second transverse wall 80.
  • the first rib 114 and the second rib 116 have a varying height following the varying height of the suction channel space 82.
  • the distance A of the end 118 of the first rib 114 and the second rib 116 along the width direction 108 to the envelope plane 92 is constant, and may be zero. It can also be provided that this distance A varies along the first rib 114 and the second rib 116 in the width direction 108.
  • the rib structure 112 projects beyond the edges 104 of the suction channel wall 72 in order to allow it to penetrate into a textile structure of a surface to be cleaned.
  • a surface 120 of the material of the bottom body 66, where it can touch a surface to be cleaned, has a defined average roughness R z which lies in the range between 35 pm and 55 pm with respect to a sliding direction which is parallel or antiparallel to the thrust direction 64 is.
  • the surface of the Saugkanalwandung 72 has such a mean roughness R z .
  • the floor nozzle 10 comprises a further tilting joint 122, which is referred to here as the first tilting joint.
  • the first tilting joint 122 has a first tilting axis 124 (cf., for example, FIGS. 4 and 5).
  • the first tilting axis 124 cf., for example, FIGS. 4 and 5.
  • Tilting axis 124 is parallel to the second tilting axis 58.
  • the first tilting joint 122 is arranged such that the first tilting axis 124 lies against the suction channel 68, ie, the first tilting axis 124, which is oriented parallel to the width direction 108, passes through the suction channel wall 72.
  • the first tilting joint 122 is arranged so that the first tilting axis 124 is at most a distance of 10 mm or less from the suction channel 68.
  • the first tilting joint 122 is arranged so "deep" that the first
  • Tilting axis 124 is highest at a distance of 15 mm to the envelope plane 92.
  • the floor nozzle 10 comprises a first part 126 and a second part 128 (see FIG.
  • the second part 128 is tiltably connected to the first part 126 via the first tilting joint 122.
  • On the second part 128 of the suction channel 68 is seated with the suction port 86.
  • On the first part 126 the roller device 32 and the second tilting joint 58 are arranged. Between the first part 126 and the second part 128, a free space 130 is formed, which allows the tilting of the second part 128 to the first part 126.
  • the second part 128 is held on the first part 126 via a bracket 129 with a wire bracket 131.
  • the tube 46 connects the first part 126 with the second part 128.
  • the first tilting joint 122 with the tilting axis 124 is arranged or formed on the second part 128.
  • the flexible hose 46 when firmly connected to the port 30 and mouthpiece 80, allows for tiltability about the tilt axis 124.
  • the first tilting joint 122 is lower with respect to its first tilting axis 124 than the second tilting joint 52 with respect to its second tilting axis 58.
  • the floor nozzle 10 has a double tilting joint. This results in a favorable driving behavior during a cleaning process, in particular on a textile structure.
  • the Doppelkippgelenk tone leaves during forward movements of the floor nozzle 10 in the thrust direction 64 and a backward movement in the opposite direction to the thrust 64 no large freedom space through which can be ensured that the Saugkanalwandung 72 rests as flat as possible on the surface to be cleaned. Due to the "low" position of the first tilting joint 122 with respect to the first tilting axis 124, the tilting moment is kept relatively small there and it can be tilted forward in a forward movement in the thrust direction 64 and lifting the floor nozzle 10 in a backward movement against the thrust 64th avoid.
  • FIG. 6 (a) schematically shows the position of a force vector during a forward movement in the thrust direction 64. This force vector is denoted by 134.
  • FIG. 6 (a) a force vector is shown in FIG. 6 (a) which is present on the first tilting joint 122 in a reverse movement against the direction of thrust 64. This force vector is designated 136. Due to the design and arrangement of the tilting joint 122, a lifting of the floor nozzle 10 is avoided.
  • the floor nozzle 10 has a textile surface cleaning function, by means of which, in particular, carpet surfaces can be cleaned.
  • the textile surface cleaning function the floor nozzle 10 sits with the bottom body 66 and thereby the end face 90 of the suction channel wall 72 on the surface to be cleaned.
  • the envelope plane 92 is parallel to the surface to be cleaned and coincides with an upper surface of the surface to be cleaned.
  • the support surface 96 of the skid device 94 is supported on the surface to be cleaned.
  • the rib structure 112 penetrates into the surface to be cleaned.
  • the floor nozzle 10 is in its textile surface cleaning function 138.
  • the suction channel 68 abuts with the Saugkanalwandung 72 on all sides of the surface to be cleaned.
  • the Saugkanalwandung 72 surrounds the Saugkanal- space 82 completely without interruption.
  • the Saugkanalwandung 72 includes the suction channel space 82 without interruption. This results in an effective dust pickup.
  • the suction channel 68 is optimized in its geometric dimensions and in particular in the width in the width direction 108, in such a way that good dust pickup results from a good suction on the surface to be cleaned and corresponding combing of the textile structure with sufficient size of the area for a Good suction and good pushing force to achieve a high dust absorption with good combability of the textile structure.
  • the rib structure 112 allows immersion in the fabric and additional combing to increase dust pickup.
  • the acute angle 100, 102 on the end face 90 of the Saugkanalwandung 72 allows a good ratio between the suction force of the bottom body 66 to the surface to be cleaned and dust pickup.
  • the relatively sharp-edged design of the Saugkanalwandung 72 in particular on the first longitudinal wall 74 and the second longitudinal wall 76 at the edge 104 cause a kind of fluid seal on the surface to be cleaned and allow easy immersion in fibers of the textile structure of the surface to be cleaned. This helps to comb through and improves dust collection.
  • Saugkanalraums 82 with varying depth in the depth direction 110 allows optimized cross flow to the suction port 86 back.
  • the rough surface 120 on the bottom body 66 at least on the end face 90 of the Saugkanalwandung 72 improves the dust pickup probably due to a finer combing through the textile structure of the surface to be cleaned.
  • the Doppelkippgelenk with the first pivot joint 122 and the second pivot joint 52 ensures that the bottom body 66 rests as flat as possible on the surface to be cleaned. A tilting moment in a forward movement of the floor nozzle 10 in the thrust direction 64 is kept small and the Abhebegefahr when moving in the opposite direction to the thrust direction 64 is avoided.
  • the skid device 94 with its support surface 96, via which a supportability is made possible on the surface to be cleaned, ensures that tilting is prevented. It is thereby ensured that the floor nozzle 10 and thus also the suction channel 68 are guided in the "correct" position for the dust pickup over the area to be cleaned.
  • the rib structure 112 has been described above with reference to the first rib 114 and the second rib 116. It is possible that the rib structure is formed differently and that, for example, only one rib is provided or more than two ribs are provided. It can also be arranged differently high ribs in the suction channel 68.
  • the channels 60 on the front wall 14 ensure that air can be supplied to a region on the suction channel 68 from the top side 24 to a
  • the floor nozzle 10 further includes a hard surface cleaning function 140
  • a carrier 142 is arranged, which holds a bottom contact device 144 such as a rubber lip device or brush device.
  • the carrier 142 is movable to the bottom body 66.
  • the carrier 142 is connected via a switching device 146 with a switch 148, which is positioned, for example, on the upper side 24 of the housing 12.
  • the switch 148 has two switch positions, namely a switch position in which the floor nozzle is located in the textile surface cleaning function 138 and a further switch position in which the floor nozzle 10 is located in the hard surface cleaning function 140.
  • the bottom contact device 144 may contact a surface to be cleaned.
  • the bottom contact device 144 is retracted so that it does not act on a surface to be cleaned and the suction channel wall 72 can be applied with its front side 90 on the surface to be cleaned.
  • the carrier By means of the switching device 146, the carrier can be brought into a position in which the ground engaging device 144 is not effective (FIGS. 1 to 7) and brought into another position in which it is effective (FIGS. 8 to 10).
  • the ground engaging device 144 has a first longitudinal wall 150.
  • This first longitudinal wall 150 is formed in a rubber lip device from a speaking elastic material ("rubber material"). It is positioned between the front wall 14 of the housing 12 and a front side of the bottom body 66, which is closest to the first longitudinal wall 74 of the suction channel 68. It also has a second longitudinal wall 152 which is spaced from the first longitudinal wall 150.
  • the second longitudinal wall 152 which is also made of a rubber material, is aligned parallel to the first longitudinal wall 150 (see, for example, Figure 10).
  • the bottom contact device 144 has a first transverse wall 154 and a second transverse wall 156.
  • the first transverse wall 154 is connected to the first longitudinal wall 150 and the second longitudinal wall 152.
  • the second transverse wall 156 which is spaced from the first transverse wall 154, is also connected to the first longitudinal wall 150 and the second longitudinal wall 152 (see, for example, Figure 3).
  • the wall of the bottom contact device 144 with the first longitudinal wall 150, the second longitudinal wall 152, the first transverse wall 154 and the second transverse wall 156 includes a region 158 in the hard surface cleaning function 140.
  • This enclosed area surrounds the suction channel 68, d. H. the suction channel space 82 lies in the enclosed area.
  • the envelope plane 92 is spaced from a bottom end 160 of that wall of the bottom fixture 144, d. H. the end face 90 of the Saugkanalwandung 72 does not touch the surface to be cleaned.
  • the first transverse wall 154 is disposed between the bottom body 66 and the first transverse wall 78 of the housing 12.
  • the second transverse wall 156 of the ground engaging device 154 is disposed between the second transverse wall 80 of the housing 12 and the bottom body 66.
  • the second longitudinal wall 152 is arranged, for example, in the free space 130 between the first part 126 and the second part 128.
  • the area of the enclosed region 158 is designed so that good dust absorption results with good suction force.
  • the enclosed area 158 has an area which is in the range of 110 cm 2 and 250 cm 2 . In one embodiment, the area enclosed area is 166 cm 2 .
  • a length of the first longitudinal wall 150 and the second longitudinal wall 152 is 248 mm and a length of the first transverse wall 154 and the second transverse wall 156 is 67 mm.
  • the bottom contact device 144 has on the first transverse wall 154 and the second transverse wall 156 in each case one or more recesses 162 (cf., for example, FIG. 2), which serve for a fluid-effective connection of the outer space to the enclosed region 158.
  • first transverse wall 154 and the second transverse wall 156 each have a single recess having a length of 25 mm (along the transverse wall 154 or 156) and a height of 5 mm.
  • the first longitudinal wall 150 has recesses 164 towards its end 160 (see FIG. Basically, the ground engaging device 144, when placed on the surface to be cleaned of a hard floor, provides a seal to achieve a good suction result.
  • the recesses 162 provide for the formation of a cross flow.
  • the recesses 164 allow the passage of dirt particles into the enclosed area 158 for suction.
  • the floor nozzle 10 is provided with support elements 166, which form a support device for supporting the floor nozzle 10 on the surface to be cleaned in the hard surface cleaning function 140.
  • the support members 166 are formed, for example, as rollers.
  • corresponding support members 166 are disposed on corners of a triangle whose apex is toward the roller means 32.
  • the support elements 166 are arranged on the carrier 142. In the textile surface cleaning function 138 they are not effective, i. H. they have no supporting action.
  • the support elements 166 are coupled to the switching device 146.
  • the bottom body 66 has the support elements 166 associated with a respective recess 168. When switching the support elements 166 with the ground engaging device 144 is moved and further out of the recess 168 to touch the surface to be cleaned can.
  • the support elements 166 are retracted.
  • a wall 170 is arranged on the bottom body 66 facing the carrier 142 (cf., for example, FIG. 4 or FIGS. 9, 10).
  • the wall 170 is circumferential and defines an area which faces away from the enclosed area 158 at a rear side of the bottom body 66.
  • seal 172 On the carrier 142 facing the wall is associated with a seal 172, which is also circumferential.
  • the wall 170 is pressed against the seal 172.
  • the bottom body 66 in the hard surface cleaning function 140 is fluidly sealed to the rear in the housing 12 to prevent false air entrapment.
  • the wall 170 may accordingly also be arranged on the carrier 142 and the seal 172 may be arranged on the bottom body 66.
  • the combination of the wall 170 and the seal 172 reduces or prevents leaks and thus energy losses.
  • the switching device 146 is driven into the hard surface cleaning function 140.
  • the ground contact device 144 is extended via the carrier 142 and, in the case of a rubber lip device, as ground contact device.
  • the rubber material of the rubber lip device on the first longitudinal wall 150, the second longitudinal wall 152, the first transverse wall 154 and the second transverse wall 156 are placed on the surface to be cleaned.
  • the bottom body 66 is then spaced from the surface to be cleaned, i. H. the end face 90 of the Saugkanalwandung 72 does not touch the surface to be cleaned. Thereby an enclosed area 158 is provided which forms a suction space.
  • the peripheral wall of the bottom contact device 144 ensures a good seal on the hard surface.
  • the recesses 162 ensure a sufficiently strong cross flow.
  • the recesses 164 allow dirt particles into the enclosed space 158.
  • the area of the enclosed area 158 is designed so that there is a good interaction between suction force and dust absorption.
  • the combination of the wall 170 with the seal 172 provides leakage prevention.
  • the support elements 166 ensure that the floor nozzle 10 does not have to be supported solely by the material of the floor installation device 144.
  • the material of the ground engaging device 144 may then be chosen to be relatively soft, and in particular chosen so that a corresponding lip (formed by the walls 150, 152, 154, 156) can fold over and conform to the surface to be cleaned.
  • the floor installation device 144 is dimensioned such that in the hard surface cleaning function 140, when the end 166 is located on the surface to be cleaned, the end face 90 of the suction channel wall 72 has a distance of approximately 5 mm from the floor to be cleaned.
  • the thickness of the bottom abutment 144 in the form of a rubber lip in the rubber material is in the range of 0.5 mm to 2 mm.
  • a floor nozzle which has high energy efficiency and optimized dust absorption both during a cleaning process on a carpet surface and on a hard surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un suceur pour un aspirateur, comprenant un corps (66) sur lequel est disposé un canal d'aspiration (68) qui comprend une paroi de canal d'aspiration (72), un recouvrement de canal d'aspiration (70) et une chambre de canal d'aspiration (82), la paroi de canal d'aspiration (72) reposant sur le recouvrement du canal d'aspiration (70), la chambre du canal d'aspiration (82) étant formée entre la paroi du canal d'aspiration (72) et le recouvrement du canal d'aspiration (70), le canal d'aspiration (68) étant ouvert du côté opposé au recouvrement du canal d'aspiration (70) et au moins une embouchure d'aspiration (86) destinée à la communication de fluide avec un groupe d'aspiration débouchant contre le recouvrement du canal d'aspiration (70) dans la chambre du canal d'aspiration (82). Le suceur est caractérisé en ce qu'au moins une âme (114, 116) qui est placée dans la chambre du canal d'aspiration (82) et qui présente une zone (117) saillant d'un plan d'enveloppement (92), opposé au recouvrement du canal d'aspiration (70), d'une face frontale (90) de la paroi du canal d'aspiration (72) ou reposant avec une extrémité (118) sur le plan d'enveloppement (92), est disposée contre le recouvrement du canal d'aspiration (70).
PCT/EP2015/054764 2015-03-06 2015-03-06 Suceur WO2016141959A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/EP2015/054764 WO2016141959A1 (fr) 2015-03-06 2015-03-06 Suceur
CN201580077390.5A CN107427173B (zh) 2015-03-06 2015-03-06 地面喷嘴
EP15709148.9A EP3264961A1 (fr) 2015-03-06 2015-03-06 Suceur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/054764 WO2016141959A1 (fr) 2015-03-06 2015-03-06 Suceur

Publications (1)

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WO2016141959A1 true WO2016141959A1 (fr) 2016-09-15

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EP (1) EP3264961A1 (fr)
CN (1) CN107427173B (fr)
WO (1) WO2016141959A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017104965A1 (de) 2017-03-09 2018-09-13 Alfred Kärcher SE & Co. KG Reinigungsgerät mit Einlasslippe und Abziehlippe
EP3539434A1 (fr) * 2018-03-14 2019-09-18 Seb S.A. Suceur d'aspirateur pourvu d'une surface de glissement présentant un bord arrière arrondi
EP3838098A4 (fr) * 2018-08-21 2021-09-08 Guangzhou Xiaoluo Robotics Co., Ltd. Mécanisme de nettoyage et robot de nettoyage

Citations (5)

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Publication number Priority date Publication date Assignee Title
US2703905A (en) * 1948-12-30 1955-03-15 Electrolux Ab Suction nozzle with internal ribbing
EP1488727A1 (fr) * 2003-06-20 2004-12-22 Seb S.A. Suceur d'aspirateur
DE102007022256A1 (de) * 2007-05-09 2008-11-13 Miele & Cie. Kg Düse für ein Bodenpflegegerät
GB2468514A (en) * 2009-03-12 2010-09-15 Dyson Technology Ltd Surface treating head
EP2623006A1 (fr) * 2012-02-02 2013-08-07 Koninklijke Philips Electronics N.V. Dispositif de nettoyage avec oscillateur aérodynamique

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JP3270248B2 (ja) * 1993-10-22 2002-04-02 シャープ株式会社 電気掃除機
KR19980018887U (ko) * 1996-09-30 1998-07-06 배순훈 진공청소기의 보조브러쉬 보관용 브러쉬
JP3424151B2 (ja) * 1997-01-29 2003-07-07 三菱電機株式会社 電気掃除機の床ノズル
TW475894B (en) * 1997-12-26 2002-02-11 Tec Corp Suction port body for vacuum-cleaner and vacuum-cleaner having the same
EP1508292B1 (fr) * 2003-08-18 2011-03-23 LG Electronics, Inc. Ensemble d'embout pour aspirateur destiné au nettoyage par voie humide ou sèche

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703905A (en) * 1948-12-30 1955-03-15 Electrolux Ab Suction nozzle with internal ribbing
EP1488727A1 (fr) * 2003-06-20 2004-12-22 Seb S.A. Suceur d'aspirateur
DE102007022256A1 (de) * 2007-05-09 2008-11-13 Miele & Cie. Kg Düse für ein Bodenpflegegerät
GB2468514A (en) * 2009-03-12 2010-09-15 Dyson Technology Ltd Surface treating head
EP2623006A1 (fr) * 2012-02-02 2013-08-07 Koninklijke Philips Electronics N.V. Dispositif de nettoyage avec oscillateur aérodynamique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017104965A1 (de) 2017-03-09 2018-09-13 Alfred Kärcher SE & Co. KG Reinigungsgerät mit Einlasslippe und Abziehlippe
EP3539434A1 (fr) * 2018-03-14 2019-09-18 Seb S.A. Suceur d'aspirateur pourvu d'une surface de glissement présentant un bord arrière arrondi
CN110269544A (zh) * 2018-03-14 2019-09-24 Seb公司 设置有具有圆形后边缘的滑动表面的吸尘器吸嘴
EP3838098A4 (fr) * 2018-08-21 2021-09-08 Guangzhou Xiaoluo Robotics Co., Ltd. Mécanisme de nettoyage et robot de nettoyage

Also Published As

Publication number Publication date
CN107427173B (zh) 2020-11-13
CN107427173A (zh) 2017-12-01
EP3264961A1 (fr) 2018-01-10

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