EP3372135A1 - Buse d'aspiration pour un aspirateur portatif et aspirateur portatif - Google Patents

Buse d'aspiration pour un aspirateur portatif et aspirateur portatif Download PDF

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Publication number
EP3372135A1
EP3372135A1 EP18159772.5A EP18159772A EP3372135A1 EP 3372135 A1 EP3372135 A1 EP 3372135A1 EP 18159772 A EP18159772 A EP 18159772A EP 3372135 A1 EP3372135 A1 EP 3372135A1
Authority
EP
European Patent Office
Prior art keywords
suction
nozzle
abziehlippe
hand
support
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
EP18159772.5A
Other languages
German (de)
English (en)
Other versions
EP3372135B1 (fr
Inventor
Uwe Schaaf
Christian Moddick
Dieter Brand
Michael WINDRICH
André Denk
Eric Bosscher
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.)
Leifheit AG
Original Assignee
Leifheit AG
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 Leifheit AG filed Critical Leifheit AG
Publication of EP3372135A1 publication Critical patent/EP3372135A1/fr
Application granted granted Critical
Publication of EP3372135B1 publication Critical patent/EP3372135B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to a puller and suction nozzle for a hand-held suction device according to the preamble of claim 1. Furthermore, the invention relates to a hand suction device with such a pull-off and suction nozzle.
  • Generic pull-off and suction nozzles are from the DE 10 2012 104 102 A1 known. They are intended for attachment to a portable, to be held under normal use in the hands of a user Handaug réelle for absorbing liquids or liquid / air mixtures of flat surfaces, especially windows, tables or similar, vertical, oblique or horizontal surfaces.
  • the extraction and suction nozzles have a suction port and a nozzle body having at least one Abziehlippe which is movable along the surface for withdrawing liquid in a Abziehhraum, and at least one, arranged in the region of a liquid collection side of the Abziehlippe suction for sucking the before the Abziehlippe accumulated liquid has in a standing with the suction port connection fluidly connected suction chamber.
  • the nozzle body is formed in two parts with a suction channel connection having the device-side support body and a Abziehlippe and the suction gap having absorbent body.
  • the support body is arranged at a distance from the Abziehlippe and in withdrawal direction before the Abziehlippe and forms with a support surface a support for supporting on the surface.
  • the absorbent body is pivotally connected to the connecting body and rotatable via a hinge about an axis of rotation which is parallel to the abutting edge of the Abziehlippe on the surface to be sucked, against the force of a spring means, which adjusts the Abziehlippe to the surface when the support abuts on the surface to be sucked ,
  • a puller and suction nozzle for a hand suction device and a Handsaug réelle are also from the US 2011 138 554 A1 known.
  • This known pull-off and suction nozzle is part of a mobile suction device, which is designed as a suction device for absorbing liquids.
  • a preferred application of such suction devices is the removal of window surfaces after moistening with simultaneous suction of the withdrawn liquid.
  • This from the US 2011 138 554 A1 known Handaug réelle has a pivotable mounting of the suction and discharge nozzle to a central position, wherein a return spring, which is first stretched due to the contact pressure of the Abziehlippe against the surface to be sucked and the Abzieh- and suction nozzle after elimination of this pressure back to the starting position, is provided.
  • the invention is not limited to liquid aspirators or window pullers, it can be used in conjunction with all forms of hand suction devices, the preferred use being understood by the vacuum hand held device to be battery operated and small enough to be gripped with one hand and can be guided along the surface.
  • the abovementioned suction and extraction nozzles and the associated vacuum devices are well suited to collect and absorb liquids, but have the disadvantage that depending on the orientation of the vacuum device, the Abziehlippe is employed with a different pressure and angle to the surface, resulting in different Abziehstedn, in particular streaking or streaking or similar problems.
  • a defined contact pressure can be applied via the pivotable removal and suction nozzle, the suction is not always optimal, since the user must set the optimum angle for adjusting the Abziehlippe by attaching the device by appropriate orientation of the Handsaugilless itself. This is particularly disadvantageous when corners or edges of the surface to be deducted are achieved or when the device is used with an extension rod, which makes the handling of the device more complex and difficult.
  • a mechanical puller in which liquid can be withdrawn from a surface without suction.
  • This puller has a spring-loaded Anolleolle on which it is able to support in addition to the Abziehlippe on the surface to be sucked.
  • This locating roller facilitates the guidance of the puller, but has the disadvantage that the surface which lies between the locating roller and the Abziehlippe, then, when the Anrollolle at the bottom of a window abuts against the frame, can be removed only with difficulty.
  • the object of the invention is therefore to provide a suction and extraction nozzle for a hands-suction device, in which an optimal cleaning effect by facilitating the employment of the device is made possible on the surface to be sucked. Another object is to provide a and a hand suction device, which is usable with such a pull-off and suction nozzle.
  • the removal and suction nozzle is divided into two parts: a support body, which can be connected firmly to the intake manifold and thus to the hand-held vacuum cleaner, and to a suction body which is articulatedly connected thereto.
  • the Abziehlippe and the suction are provided for sucking the suction material in the form of liquids or a mixture of liquids with dirt and / or air fractions.
  • the support is fixedly positioned relative to the Saugkanalan gleich, so that an over the generally cylindrical suction channel applied pressure force of the user when pressing the Abzieh- and suction nozzle to the surface to be deducted is always directed towards the support surface, so this can absorb the force.
  • the new suction and suction nozzle for the hand vacuum device and the new hand vacuum can now easily find the optimum angle for adjusting the Abziehlippe to be sucked surface, as results in a defined position through the support surface.
  • This support surface ensures that, together with the Abziehlippe a double line pressure or a combination of line pressure in the region of the Abziehlippe with one or more points on which the support surface is supported on the surface, is present.
  • the angle of the Abziehlippe is set relative to the surface to be sucked and the user can easily move the device parallel to the surface to be sucked.
  • the Abziehlippe can with the pressure of the spring force to be deducted Create surface. This means that regardless of the pressure force of the user, which is substantially absorbed by the support surface, the Abziehlippe is always pressed with the same force against the surface to be deducted. This achieves a reproducible work result and avoids excessive contact pressure.
  • the user has the problem that he can not continuously peel in the corners or edges, as edges of the window frame or the floor hinder the movement of the hand-held suction device.
  • the result is that an area between the support surface and the Abziehlippe can not be optimally removed or sucked.
  • the user would have to raise the device when reaching the window frame to reach the edge or corner area.
  • a special guide surface is provided which automatically raises the device, so that the support surface lifts from the surface to be sucked and is guided over the edge or the corner. The user can thus continue to support the device on the guide surface and does not have to find the optimal angle on its own to be able to get into the corners. This is particularly interesting for overhead work or devices that are operated at the end of a telescopic or extension rod.
  • the guide surface is disposed on the side of the support surface opposite to the Abziehlippe. It moves away with increasing distance from the support surface ever further from the plane of the surface to be sucked, so that an inclined plane or a rounded surface is created, which ensures that the device with this surface initially seated on the edge or corner and then is lifted by the sliding of the guide surface on the edge. The user thus does not hit the device against an edge and then has to re-start its suction movement, but is continuously continued, so that the suction of the corner regions or edge regions is facilitated.
  • the support surface is preferably formed by a rotatable component, which allows a rolling of the support surface on the surface to be sucked.
  • This can be a ball, a roller or even several wheels. It is only important that the support surface or the support surfaces are provided at a distance from the Abziehlippe to allow alignment of the Handsaug Vietnameses.
  • the guide surface can be designed largely arbitrary, it may be formed by the housing of the peel and suction nozzle itself or be formed by cams that project, for example, from the bottom of the housing down.
  • the guide surface is rounded, so that there is a continuous, shock-free lift-off movement as a result of the guide.
  • the pull-off and suction nozzle is movably mounted against a spring means.
  • This has the advantage that the storage ensures a defined contact pressure even with smaller pitching movements of the user.
  • This movement of the pull-off and suction nozzles can be used to operate the device.
  • the contact pressure can be determined via a pressure sensor, so that as a result of this pressure increase the motor is increased in power or even turned on, the angle of the suction and extraction nozzle relative to the Handsaug réelle can be detected and be used as a circuit signal for the control of the motor of the manual suction device.
  • the absorbent body of the removal and suction nozzle is connected via a joint pivotally or rotatably connected to the support body, which in turn is attached to the suction duct connection, which usually has the shape of a nozzle, or is inserted into this.
  • the suction channel extends from the hand suction device through this suction channel connection into a suction chamber in the housing of the absorbent body through the support body and preferably also through the joint, the suction chamber in the suction body in turn fluidly connected to the suction, which is adjacent to the suction provided.
  • the joint may be a ball joint, which is penetrated by the flow channel.
  • the flow channel may also be elastic and, for example, have the form of a hose or elastic tube, while the removal and suction nozzle may be mounted on the suction channel connection via a separate joint. It is also possible to mount the complete extraction and suction nozzle on the vacuum device via a joint.
  • the joint in turn may be a rocker arm or a bearing block, for example, supports a hollow cylindrical part of the suction chamber on both sides.
  • the rotational movement or pivoting movement of the extraction and suction nozzle relative to the stationary part of the hand-held suction device is preferably limited by stops.
  • a damper element may be provided that attenuates either via a friction damping of the joint or a shock absorber-like separate embodiment, the pivotal movement of the puller and suction nozzle.
  • the spring in turn, which returns the withdrawal and suction nozzle to the starting position, may be a spring provided in the joint or may also be formed by a separate spring.
  • the spring action can also be realized via the elastic material properties of the Saugkanalwandung or other areas of the peel and suction nozzle.
  • corresponding sensors are provided which, for example, a signal lamp Taxes. It is also possible to emit an acoustic signal that sounds when the engine is running, for example, without contacting the support surface and the Abbehlippe to a surface.
  • any indicator means can be used that can signal to the user the contact of the two surfaces to the surface to be suctioned or the absence of this contact.
  • a controller that shuts down or shuts off the vacuum unit when pressure sensors on the support surface detect that it is not in contact with the surface to be rejected, can extend the standby time of the device and save energy.
  • any other sensor including a load sensor for the engine of the suction unit can be used instead of the pressure sensors, which can directly or indirectly detect a flow resistance in the intake duct or in the region of the suction unit.
  • FIG. 1 a pull-off and suction nozzle according to the invention is shown, which has a nozzle body 1 with a Abziehlippe 2 and a right next to it arranged rubber strip, which together with the Abziehlippe 2 the suction 4 limited.
  • the nozzle body 1 is composed of a support body, which is fixed relative to the vacuum cleaner with mounted puller and suction nozzle, and a pivotable about pivotable about a 10 pivoting suction body with the Abziehlippe 2 together. Via the suction gap 4 in the suction body, liquid which collects on the right in front of the pull-off lip 2 when the pull-off and suction nozzle moves, can be sucked into the suction channel 6.
  • the nozzle body 1 in turn can be connected via a suction channel connection 5 to a hand suction device 7, not shown here.
  • a hand suction device 7 not shown here.
  • FIGS. 2 and 3 a hand suction device 7 is shown that, in conjunction with the in FIG. 1 shown puller and suction nozzle can be used.
  • the suction and suction nozzle mounted on the vacuum cleaner 7 is in FIG. 4 and in FIG. 5 shown. It extends with the intake passage 6 of the suction port 5 into the hand suction device 7, so that the suction gap 4 is in flow communication with the suction unit of the hands suction device 7.
  • the pull-off and suction nozzle 2 is pivotally mounted against the force of a return spring, wherein not visible stops limit the pivoting movement.
  • the battery that supplies the motor used as the suction unit of the hand suction device 7 is preferably arranged in the handle of the hand suction device 7, since this results in a favorable weight distribution.
  • the lower portion of the handle 7 may be formed as a plug-in sleeve for insertion of an extension or telescopic rod.
  • the function of the peeling and suction nozzle according to the invention is clear from FIGS. 6 and 7.
  • the removal and suction nozzle has a support surface 8, which is formed here in the form of rollers.
  • the running surface of the roller thus forms in each case the support surface 8 which, together with the contact surface of the draw-off lip 2, determines the orientation of the removal and suction nozzle relative to the surface 3 to be sucked off. Since the extraction and suction nozzle against the spring force of the spring means 11th is pivotable, regardless of the orientation in which the user presses the device against the surface to be sucked 3, the removal and suction nozzle can take the optimum position.
  • the support surface 8 or the roller carrying this surface would abut against the window frame and prevent further driving into the corner by the Abziehlippe 2. This means that the user has to manually pivot the device, which on the one hand can cause it overstretches the Abziehlipp 2 or that the rear boundary of the suction gap 4 lifts from the window surface and on the other hand by the inhomogeneous movement, the suction effect can be affected.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Manipulator (AREA)
EP18159772.5A 2017-03-10 2018-03-02 Buse d'aspiration pour un aspirateur portatif et aspirateur portatif Active EP3372135B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017105176.7A DE102017105176A1 (de) 2017-03-10 2017-03-10 Saugdüse für ein Handsauggerät und Handsauggerät

Publications (2)

Publication Number Publication Date
EP3372135A1 true EP3372135A1 (fr) 2018-09-12
EP3372135B1 EP3372135B1 (fr) 2021-09-29

Family

ID=61563199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18159772.5A Active EP3372135B1 (fr) 2017-03-10 2018-03-02 Buse d'aspiration pour un aspirateur portatif et aspirateur portatif

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EP (1) EP3372135B1 (fr)
DE (1) DE102017105176A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022102595A1 (de) 2022-02-03 2023-08-03 Brandivision Gmbh Körper für einen Abzieher oder Wischer, Abzieher und Wischer sowie Verfahren zum Abziehen oder Wischen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120266923A1 (en) * 2011-04-21 2012-10-25 Mark John Steinhardt Device Having a Renewable Blade Surface For Treating a Target Surface
DE102012104102A1 (de) * 2011-11-17 2013-05-23 Vorwerk & Co. Interholding Gmbh Feuchtreinigungsvorrichtung
WO2014009672A1 (fr) * 2012-07-12 2014-01-16 Ecodrop Appareil de nettoyage de parois planes
WO2016029966A1 (fr) * 2014-08-29 2016-03-03 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration et appareil d'aspiration de surfaces dures
EP2992799A1 (fr) * 2014-09-05 2016-03-09 Leifheit Ag Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011050697A1 (de) 2011-05-27 2012-11-29 Leifheit Ag Flüssigkeitssaugvorrichtung zum Abziehen und Aufsaugen von Flüssigkeiten
US9126323B2 (en) 2011-08-22 2015-09-08 The Procter & Gamble Company Device for treating a target surface and having an ergonomically pivoting handle
DE102014001250C5 (de) 2014-02-03 2021-07-29 Carl Freudenberg Kg Fensterwischer
WO2016029968A1 (fr) 2014-08-29 2016-03-03 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration et appareil d'aspiration de surfaces dures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120266923A1 (en) * 2011-04-21 2012-10-25 Mark John Steinhardt Device Having a Renewable Blade Surface For Treating a Target Surface
DE102012104102A1 (de) * 2011-11-17 2013-05-23 Vorwerk & Co. Interholding Gmbh Feuchtreinigungsvorrichtung
WO2014009672A1 (fr) * 2012-07-12 2014-01-16 Ecodrop Appareil de nettoyage de parois planes
WO2016029966A1 (fr) * 2014-08-29 2016-03-03 Alfred Kärcher Gmbh & Co. Kg Buse d'aspiration et appareil d'aspiration de surfaces dures
EP2992799A1 (fr) * 2014-09-05 2016-03-09 Leifheit Ag Appareil d'aspiration portatif doté d'une buse d'aspiration interchangeable

Also Published As

Publication number Publication date
DE102017105176A1 (de) 2018-09-13
EP3372135B1 (fr) 2021-09-29

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