EP3298943A1 - Système de nettoyage par aspiration - Google Patents

Système de nettoyage par aspiration Download PDF

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Publication number
EP3298943A1
EP3298943A1 EP17176467.3A EP17176467A EP3298943A1 EP 3298943 A1 EP3298943 A1 EP 3298943A1 EP 17176467 A EP17176467 A EP 17176467A EP 3298943 A1 EP3298943 A1 EP 3298943A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
vacuum cleaner
arrangement according
cleaning arrangement
suction
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
EP17176467.3A
Other languages
German (de)
English (en)
Other versions
EP3298943B1 (fr
Inventor
Horst Dilger
Hans-Joachim Steudtner
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.)
Wessel Werk GmbH
Original Assignee
Wessel Werk GmbH
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 Wessel Werk GmbH filed Critical Wessel Werk GmbH
Publication of EP3298943A1 publication Critical patent/EP3298943A1/fr
Application granted granted Critical
Publication of EP3298943B1 publication Critical patent/EP3298943B1/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
    • 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
    • A47L9/0673—Nozzles with fixed, e.g. adjustably fixed brushes or the like with removable brushes, combs, lips or pads
    • 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

Definitions

  • the invention relates to a Saugquelsan Aunt with a vacuum cleaner nozzle and a nozzle attachment, wherein the vacuum cleaner nozzle has a housing with a front and a rear edge and extending at the bottom of the housing transversely to the direction of suction mouth with a front and rear suction mouth.
  • the vacuum cleaner nozzle lies with its underside on the surface to be sucked on or the underside of the vacuum cleaner nozzle is the side to be sucked facing side.
  • the nozzle attachment also has an opening and is attachable to the underside of the vacuum cleaner nozzle. In the mounted state of the nozzle attachment, the opening in the flow direction is arranged in front of the suction mouth and the suction mouth edges are spaced from the surface to be sucked.
  • the vacuum cleaner nozzle is also without intent a functioning vacuum cleaner nozzle whose functionality can only be varied by the Staubsaugervorsatz.
  • vacuum cleaner manufacturers provide extensive replacement accessories, but their use is associated in practice with a high expenditure of time and its production at a high cost.
  • the present invention has the object to provide a vacuum cleaner, with the use of only a few components, a conventional vacuum cleaner nozzle can be adjusted so that hereby a targeted suction of grooves or furrows is possible.
  • the invention teaches a vacuum cleaner arrangement according to claim 1.
  • a correspondingly adapted to the underside of the vacuum cleaner nozzle nozzle attachment can be mounted in a simple manner on the underside of the vacuum cleaner nozzle, which extends at least partially in the mounted state on the bottom.
  • the nozzle attachment also has on the side facing away from the vacuum cleaner nozzle or to be sucked Surface facing side, a seal assembly of strip-shaped protruding sealing elements for sealing against the surface to be cleaned. These sealing elements are arranged such that the suction volume flow can be concentrated substantially on the grooves or grooves in the suction.
  • the sealing elements are intended to prevent possible bypass flow rates at sections of the vacuum cleaner nozzle where extraction is not necessary.
  • a high suction difference and, on the other hand, a high flow velocity of the suction volume flow can be achieved at the sections which are decisive for the suction.
  • the opening extends transversely to the working direction over the entire width of the suction mouth.
  • the seal assembly is formed by at least two sealing elements, wherein the first sealing element in front of the working direction and the second sealing element is arranged in the working direction behind the opening.
  • This arrangement is particularly advantageous when the groove or groove to be cleaned is aligned with the aperture.
  • the vacuum cleaner nozzle can be sealed against a bottom surface in such a way that is completely blocked at planar portions of the bottom surface of the relevant for the suction air flow on the Saugmundkanten completely and then only grooves, furrows and joints in the bottom surface the passage allow suction air. Accordingly, in these grooves, grooves and joints, the pressure difference and the flow velocity are maximized. In other words, the suction then takes place mainly or exclusively through corresponding grooves, joints and furrows.
  • sealing elements are used which extend over the entire width of the nozzle attachment.
  • the nozzle attachment in the front and / or in the rear region of the aperture can be particularly effectively sealed against the surface or groove or groove to be cleaned.
  • the sealing elements are preferably formed from materials which on the one hand seal particularly effectively, in particular with respect to hard floors, and on the other hand have soil-protecting properties and a good lubricity.
  • the sealing elements are preferably made of felt, plush or a foam, in particular a plastic foam.
  • the sealing elements may also have a profiling in the form of introduced in the sealing elements notches. These indentations may extend, for example, transversely to the working direction along the sealing elements, so that a plurality of sealing lips are formed in the working direction, which contribute to a particularly good sealing effect. But it is also possible that the notches extend in the working direction, so that transverse to the working direction form a plurality of small channels, which allow a slight air mass flow through the corresponding sealing element and thus help ensure that the vacuum cleaner nozzle with the nozzle attachment not strongly trapped on the floor.
  • the profiling types described above relate to an arrangement of the sealing elements in Working direction before and / or behind the opening.
  • the profiling is realized in the form of notches running obliquely to the working direction.
  • the notches do not represent continuous channels, but only individual channel segments, but do not form a continuous air-conducting channel.
  • the opening at the lateral edges is bounded in each case by a web extending in the working direction, wherein a notch for edge suction is provided in at least one of the webs.
  • the notch in at least one of the lateral webs extends in the working direction across the entire web and thus represents an extension of the opening.
  • the notch forms a downward - ie in the direction of the surface to be sucked - open flow channel, which at the corresponding edge of the nozzle attachment is open.
  • This makes it possible to provide a targeted possibility for Randabsaugung with said nozzle attachment.
  • the functionality of the nozzle attachment can be extended by a function and thereby increase the range of applications.
  • the lateral opening of the notch makes it possible in particular to remove dirt and dust in the lower region from wall surfaces.
  • the indentation does not extend along the entire width of the web, but ends just before the end of the lateral surface of the nozzle attachment.
  • the suction flow is targeted directed to the bottom surface, whereby a suction of the lower portion of wall surfaces is not possible, however, the extraction of edge regions of the bottom surface is improved.
  • the vacuum cleaner nozzle at a rear edge on an arranged support area with a rear support means, wherein the nozzle attachment is designed such that it does not obscure the rear support device in the mounted state.
  • the rear support area with the rear support device forms in an area of the vacuum cleaner nozzle, where the suction pipe opens into the vacuum cleaner nozzle or where a connection between the suction pipe and the vacuum cleaner nozzle takes place.
  • the weight of the suction tube is therefore transmitted during cleaning on the rear support on the bottom surface, while at the same time the simplest possible and smooth movement of the vacuum cleaner nozzle is possible. This sliding behavior should remain ensured even in the assembled state of the nozzle attachment, which is why the rear support device is not covered by the nozzle attachment.
  • the underside of the vacuum cleaner nozzle associated surface of the nozzle attachment is designed such that corresponding recesses are provided for the support means, so that they are hidden in the assembled state and the lubricity is ensured by the corresponding material of the sealing elements.
  • Rollers are preferably used as support means, which are particularly preferably made of a soil-conserving material, e.g. a plastic are made.
  • corresponding recesses are provided on the underside of the vacuum cleaner nozzle, in which the rollers are arranged over a shaft.
  • the opening has a shorter length in the working direction than the suction mouth.
  • the groove or furrow to be cleaned has a shorter length than the suction mouth of the vacuum cleaner nozzle.
  • the vacuum cleaner nozzle may also have an overload valve.
  • an overload valve As already mentioned above, it is necessary for the targeted extraction of grooves and furrows to effectively seal the opening, in particular in the front and in the rear area. By reducing bypass flows, the suction pressure difference acting on the aperture and consequently the flow velocity of the suction volume flow are increased. However, this can have the consequence that, especially in areas without grooves or furrows, the vacuum cleaner nozzle becomes stuck on the surface and consequently no or only a small suction volume flow is effected by the suction fan of the vacuum cleaner. Thus, there is no or only a very small load on the motor driving the fan, whereby the speeds increase very sharply, which can lead to an overload of the engine.
  • an overload valve which opens as soon as a certain suction pressure difference is exceeded.
  • the opening of the overload valve causes a bypass line to open, through which an additional volume flow is led from the outside into the vacuum cleaner nozzle.
  • the overload valve closes, so that only the suction volume flow through the vacuum cleaner nozzle occurs.
  • Such an overload valve can be realized for example by a spring element which is acted upon by the suction pressure difference with a force.
  • a cleaning roller is additionally provided in an advantageous manner in the suction mouth.
  • a cleaning roller is particularly advantageous when the vacuum cleaner nozzle is used on carpets.
  • the brushes arranged on the cleaning roller loosen the dirt and the dust in the carpet so that it can be detected particularly easily by the suction volume flow.
  • an additional electric motor is used to drive the cleaning roller.
  • a turbine wheel is installed in the suction channel, which is driven via the suction volume flow and drives the cleaning roller by means of a belt connection.
  • the vacuum cleaner nozzle 1 also has at its rear edge on a support region 7 with a rear support device 8.
  • the support device 8 is realized in the example shown by two rollers.
  • a support device 9 is provided in the form of two rollers, wherein the two rollers are each arranged in a corner region on the underside of the vacuum cleaner nozzle 1.
  • the nozzle attachment 2 is in the Fig. 1 shown in a non-assembled state, so that the individual components of the vacuum cleaner nozzle 1 are not obscured by the nozzle attachment 2.
  • the nozzle attachment 2 points to the vacuum cleaner nozzle in the assembled state side facing away from a seal assembly consisting of a front seal member 11 a and a rear seal member 11 b, wherein the sealing elements 11 a, 11 b extend over the entire width of the nozzle attachment 2.
  • the sealing elements 11a, 11b slightly protrude from the other components, so that, when resting on a surface, a sealing effect is established at the front and at the rear edge of the nozzle attachment.
  • the front sealing element 11a is made of a textile material in this context. Felt or plush are particularly suitable for this purpose.
  • the rear sealing element 11 b is made of a plastic foam and also has a profiling in the form of individual notches running obliquely to the working direction.
  • the nozzle attachment 2 also has an opening 12 which, in contrast to the sealing elements 11a, 11b, does not extend over the entire width of the nozzle attachment 1 and thus forms a web 13a and a web 13b at the lateral edges.
  • a notch 14 is further incorporated, which is open both with respect to the opening 12 and with respect to the lateral edge of the nozzle attachment 2 and thus represents an extension of the opening 12. With the help of such a notch 14, it is possible to ensure an effective extraction of lateral edges, whereas in an embodiment without a notch 14, at least the width of the webs 13a, 13b would be detected by the suction volume flow. In contrast to the web 13b, such a notch is not provided in the web 13a.
  • the Fig. 2 shows a Saugtivsan angel invention, wherein the nozzle attachment 2 is now attached to the vacuum cleaner nozzle 1 and thus present in an assembled state.
  • the opening 12 is arranged in front of the suction mouth 4, the suction mouth edges 4a, 4b spaced from the surface to be sucked.
  • a comparative analysis of the Fig. 1 and 2 shows that the opening 12 extends over the entire width of the suction mouth 4, while the height of the opening 12 is smaller than that of the suction mouth. 4
  • the Fig. 3 shows the nozzle attachment 2 according to the invention in a non-assembled state in a view, wherein the vacuum cleaner nozzle 2 facing side is visible.
  • the protruding areas of the front rollers 9 can engage in the recesses 15 during the assembly and are concealed in the course of this.
  • the formations arranged in front of and behind the opening 12 form part of a latching connection 16, with which the nozzle attachment 2 can be detachably connected to the vacuum cleaner nozzle 1.
  • the formations of the latching connection 16 engage in the suction mouth 4 of the vacuum cleaner nozzle 1 and form at the front and rear suction mouth edge 4a, 4b a frictional connection, which is on the one hand in a particularly advantageous manner releasably designed and on the other hand a sufficient hold in mounted State allows.
  • the nozzle attachment 2 rests on the surface to be sucked during cleaning and therefore carries the weight of the vacuum cleaner nozzle in part, this alone causes Weight, that a detachment of the nozzle attachment 2 from the vacuum cleaner nozzle 1 is not possible.
  • the Fig. 4 shows the operating principle of a Saugpovsan angel invention.
  • the perspective shown shows a view of the housing 3 of the vacuum cleaner nozzle 1, wherein the nozzle attachment 2 is mounted on the underside.
  • the vacuum cleaner nozzle 1 is located above a groove 17, wherein the opening 12 and also the suction mouth 4 are arranged in alignment with the groove 17.
  • the sealing elements 11a, 11b thus run parallel to the groove 17 and prevent a suction volume flow over the front and the rear edge of the opening 12 sets.
  • the suction is particularly effective in an arrangement of the vacuum cleaner nozzle 1 with the nozzle attachment 2 transversely to a groove 17 '. While a slight mass air flow may penetrate into the suction mouth 4 via the lateral edges of the groove 17, as in the previously described aligned arrangements, the groove 17 'is completely sealed on the bottom surface by the sealing elements 11a, 11b so that the air flow has to penetrate completely into the groove 17 'and is then sucked into the suction mouth 4 together with the dirt received in the groove 17'.
  • the vacuum cleaner nozzle also has an overload valve 18, which is arranged in the example shown on the upper side of the housing 3. Conceivable, in principle, but also versions in an overload valve on one In the present case, the overload valve is disposed above the suction port 4, wherein a spring acting in the overload valve 18 is in an unclaimed state and closes a bypass channel located behind it. Now increases the negative pressure in the suction port 4, the force acting in the overload valve spring is pressurized and compressed in the direction of the surface to be sucked. This opens on the top of the housing 3, a bypass channel, penetrates into the air from above the vacuum cleaner nozzle 2 and flows into the suction port 4.
  • the additional air flow causes the vacuum acting on the suction mouth 4 can not lower further, whereby a fixed eyes on the surface to be sucked is avoided.
  • the suction volume flow which as a rule is composed only of the suction volume flow acting on the suction mouth, is increased by the additional air flow from the bypass channel, whereby the suction blower of the vacuum cleaner is subjected to at least a minimal load at all times. Without such a load, the fan would not resist, which would lead to very high speeds and thus to a high degree of friction.
  • the Fig. 5 shows a detail view of a longitudinal section in the front region of the Saug lenderssan extract in an operation according to the Fig. 4 ,
  • the longitudinal section passes exactly through a groove 17 'running along the working direction A.
  • the floor covering can be, for example, wooden floorboards or even tiles, with an underlying supporting structure of the floor area being shown hatched.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP17176467.3A 2016-09-23 2017-06-16 Système de nettoyage par aspiration Active EP3298943B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016118017.3A DE102016118017A1 (de) 2016-09-23 2016-09-23 Saugreinigungsanordnung

Publications (2)

Publication Number Publication Date
EP3298943A1 true EP3298943A1 (fr) 2018-03-28
EP3298943B1 EP3298943B1 (fr) 2019-03-13

Family

ID=59070562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17176467.3A Active EP3298943B1 (fr) 2016-09-23 2017-06-16 Système de nettoyage par aspiration

Country Status (3)

Country Link
EP (1) EP3298943B1 (fr)
DE (1) DE102016118017A1 (fr)
TR (1) TR201905775T4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3636125A1 (fr) * 2018-09-24 2020-04-15 Wessel-Werk GmbH Dispositif de buse à sols pour aspirateur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8627076U1 (de) * 1986-10-11 1986-12-04 Keller GmbH, 4100 Duisburg Staubsaugerdüse
EP1752079A2 (fr) * 2005-08-09 2007-02-14 The Scott Fetzer Company Tampon de nettoyage pour aspirateur
US20070056138A1 (en) * 2005-09-13 2007-03-15 International Business Machines Corporation High volume brush cleaning apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8627076U1 (de) * 1986-10-11 1986-12-04 Keller GmbH, 4100 Duisburg Staubsaugerdüse
EP1752079A2 (fr) * 2005-08-09 2007-02-14 The Scott Fetzer Company Tampon de nettoyage pour aspirateur
US20070056138A1 (en) * 2005-09-13 2007-03-15 International Business Machines Corporation High volume brush cleaning apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3636125A1 (fr) * 2018-09-24 2020-04-15 Wessel-Werk GmbH Dispositif de buse à sols pour aspirateur

Also Published As

Publication number Publication date
EP3298943B1 (fr) 2019-03-13
TR201905775T4 (tr) 2019-05-21
DE102016118017A1 (de) 2018-03-29

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