EP3500145A1 - Bodendüse für einen staubsauger, verfahren zum absaugen von textilflächen und staubsauger - Google Patents
Bodendüse für einen staubsauger, verfahren zum absaugen von textilflächen und staubsaugerInfo
- Publication number
- EP3500145A1 EP3500145A1 EP16753937.8A EP16753937A EP3500145A1 EP 3500145 A1 EP3500145 A1 EP 3500145A1 EP 16753937 A EP16753937 A EP 16753937A EP 3500145 A1 EP3500145 A1 EP 3500145A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- edge
- suction edge
- floor nozzle
- nozzle according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
-
- 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
- A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
Definitions
- the invention relates to a floor nozzle for a vacuum cleaner, which has a textile surface cleaning function, comprising a bottom body, a suction head, which is arranged on the bottom body, and a suction mouth, which at the suction head is arranged, wherein the suction mouth has a first boundary wall with a first suction edge and a first boundary wall spaced second boundary wall having a second suction edge, wherein the first suction edge and the second suction edge are provided for immersion in textile material of a textile surface, the first boundary wall a first Inner side and a first outer side, the second boundary wall has a second inner side and a second outer side, the first inner side of the second inner side facing and between the first inner side and the second inner side, a suction opening is formed.
- the invention further relates to a method for aspirating textile surfaces via a floor nozzle, in which a first suction edge and an opposite second suction edge of a suction mouth penetrate into textile material of the textile surface, wherein the suction mouth is arranged on a suction head.
- the invention further relates to a vacuum cleaner.
- a floor nozzle for a vacuum cleaner which has a suction mouth opening and at least one suction channel emanating therefrom, the suction channel being at least in a conventional manner
- Movement direction of the floor nozzle is limited in operation by a Saugkanalkante.
- the floor nozzle is in front of the Saugkanalkante namely in
- Figure 6 is a bottom view of another embodiment of a
- the joint 34 can be different heights compensate; different holding heights correspond in particular to different angles, with which a suction pipe arranged on the connection 16 is positioned to the surface 30 to be cleaned.
- the joint 34 just allows just such different heights.
- the suction chamber 60 is formed by opposing side walls 66, 68, which with both the first boundary wall 50 and the second
- first boundary wall 50 or the second boundary wall 52 provision is made for the first boundary wall 50 or the second boundary wall 52 to be wedge-shaped on the end face in order to form the respective suction edge 74 or 76.
- the pivotable mounting of the suction head 38 on the bottom body 14 ensures that, during a forward stroke 44, the first suction edge 74 penetrates deeper into the textile material than the second suction edge 76.
- the suction head 38 is designed and stored that in a backward stroke 46, the second suction edge 76 penetrates deeper into the textile material of the textile surface 72 as the first suction edge 74.
- the first suction edge 74 and the second suction edge 76 are formed so that in the textile surface cleaning function, they in an operative position are and can dive or penetrate into the textile material of the textile surface 72. As a result, dust can be effectively removed from the textile material of the textile surface 72.
- a wedge surface for the first suction edge 74 is oriented such that it lies between the first inner side 62a and the first outer side 62b and thereby from the first inner side 62a to the first outer side 62b recedes.
- a corresponding wedge surface on the second suction edge 76 is then in particular formed such that it lies between the second inner side 64a and the second outer side 64b and recedes toward the second outer side 64b.
- the suction head 38 has a first bottom wall 78 opposite a surface 30 to be cleaned. This first bottom wall 78 is connected to the first boundary wall 50. It adjoins directly to this and is oriented transversely to the first boundary wall 50.
- the first bottom wall 78 leads from the first boundary wall 50 in one direction to a front end 80 of the suction head 38.
- the suction head 38 also has a rear end 82 facing away from the front end. The rear end 82 is closer to the support wheel 28 and to the terminal 16 than the front end 80th
- the first bottom wall 78 has a first portion 84 oriented at a (small) acute angle 86 to an envelope 88 to the first suction edge 74 and the second suction edge 76.
- the acute angle 86 is oriented so that the first bottom wall 78 recedes in the first region 84 with respect to the envelope 88 in the direction of the front end 80 back.
- the suction head 38 has a second bottom wall 90.
- This second bottom wall 90 is connected to the second boundary wall 52 and connects to this. It extends from the second boundary wall 52 (from the outside 64b) toward the rear end 82 of the suction head 38.
- the second bottom wall 90 has a second region 92 which is oriented at an acute angle 94 to the envelope 88.
- the second region 92 is designed so that it recedes from the second boundary wall 52 toward the rear end 82 with respect to this envelope 88.
- first bottom wall 78 in its first region 84 and / or the second bottom wall 90 in its second region 92 can come into contact with textile material of the textile surface 72.
- no contact of the region 96 with the textile surface 72 is provided in a normal use.
- a thread lifter 98a, 98b are respectively arranged on the first region 84 of the first bottom wall 78 and on the second region 92 of the second bottom wall 90.
- FIG. 1 through the textile material of the textile surface 72 past the first suction edge 74 and the second suction edge 76, respectively, into the suction chamber 60.
- the floor nozzle 10 according to the invention is (at least) another
- additional airflow 118 on the second outer side 64b of the second suction edge 76 can be provided.
- This additional airflow 118 is an additional airflow relative to the airflow 100 through the textile material. It is thereby improved the suction effect.
- the outlet 116 includes a plurality of openings 122 in the first bottom wall 78 in the immediate vicinity of the first suction edge 74.
- the openings 122, 122 ' have a width B in one
- Distance direction 126 between the first suction edge 74 and the second suction edge 76 which is in the range between 0.8 mm and 2.5 mm (see Figure 5).
- This size dimension applies equally to the openings 122 associated with the first suction edge 74 and to the openings 122 'associated with the second suction edge 76.
- a single opening 122 or 122 ' has a length L in a transverse direction 128 to the spacing direction 126, which follows the corresponding suction edge 74 and 76, respectively.
- the openings 122, 122 ' have a length L of the order of about 15 mm. It is envisaged that over all openings 122 or 122 'of the outlet 116 or 120, the total length of the outlet 116 or 120 as sum of all lengths L is at least 30% and preferably at least 70% of the corresponding associated first suction edge 74 or 76.
- a suction edge 74 or 76 it is possible for a suction edge 74 or 76 to have a rectilinear extent (FIGS. 4, 5).
- first suction edge and / or a second suction edge 130 (FIG. 6) to have a non-rectilinear design and, for example, to have a central region 132 on which curved on both sides
- a corresponding outlet 136 with openings 138 follows the course of this suction edge (in the embodiment of the second suction edge 130) including the curvature.
- a length of a corresponding opening 138 is then a length along a course line which is parallel to a course line of the corresponding second suction edge 130.
- a total length of the outlet 136 is the length of all Openings 138 along the line of the second suction edge 130 at least 30% and preferably at least 70% of the corresponding length of the second suction edge 130 along this course.
- the openings 122, 122 ', 138 are arranged in a row, lie between adjacent openings webs 140, which are in particular airtight. It is achieved by a high stability.
- a corresponding outlet 116, 120, 136 it is also possible for a corresponding outlet 116, 120, 136 to be formed by a single opening.
- the corresponding openings are formed for example by a plurality of round holes or even square holes.
- the slot-shaped openings 122, 122 ', 138 in the embodiments shown are rounded at their corners.
- suction edge 74, 76 can be the corresponding suction edge 74, 76 supply a bypass air flow, which comes from the environment of the floor nozzle 10 and at least partially the suction head 38 has flowed through.
- the negative pressure of the suction chamber 60 via the suction unit 12 thereby drives this bypass air flow.
- outlets 116, 120, 136 are permanently present.
- an adjusting device 142 is provided, by means of which the air flow (bypass air flow) 118, 118 'can be varied by the respective outlets 116, 120.
- the adjusting device 142 comprises, associated with the respective outlets 116, 120, an adjusting element 144 which can act on the corresponding outlet 116, 120, 136 and via which an opening cross-section of the outlet 116, 120, 136 can be varied.
- the adjustment member 144 is configured to have the positions of "closed outlet” 116 and 120 (with closed openings 122, 122 ') and the position of "opened outlets”.
- a slide 146 of the setting device 142 is lockably guided in a lockable manner.
- the adjustment members 144 are corresponding walls of the slider 146.
- the adjusting device 142 to operate a corresponding operating element 150, which is indicated in FIG. 2.
- a user can thereby adjust whether the additional Air flow 118 or 118 'acts or not, that is, whether the outlets 116, 120 are open.
- the adjusting device can also be provided if only one single suction edge 74 or 76 is associated with an outlet (see FIG.
- Openings 122, 122 ' are basically their opening areas variable.
- the adjusting elements 154 are formed so that depending on their depth of immersion in the corresponding
- the adjustment device 142 or 152 makes it possible to adapt to different types of textile material, such as, for example, types of carpet. For example, an additional air flow 118, 118 'is not necessary for heavily air-permeable carpets. With closed outlets 116 and 120, a better suction can then be achieved with such a material.
- the floor installation device 156 comprises brush lips 157 (or rubber lips), for example, which are in an operative position in the hard surface cleaning function and which are then supported on the surface 30 to be cleaned. (See Figures 7 and 8). In such a support then the first suction edge 74 and the second suction edge 76 in a non-operative position. This will be explained in more detail with reference to the embodiments according to FIGS. 7 and 8.
- the floor nozzle 10 is shown, in which the floor installation device 156 is in an operative position and thus the floor nozzle 10 is in a hard surface cleaning function. In this position, a hard surface 158 can be sucked off as a surface to be cleaned 30 via the floor nozzle 10.
- the ground facility 156 defines an envelope surface 160 over which it rests on the hard surface 158. In a height direction, the first suction edge 74 and the second suction edge 76 are spaced from this envelope surface 160, so that they are just non-operational and do not touch the surface 30 to be cleaned.
- a switching device 162 is provided, by means of which it is possible to switch over between the textile surface cleaning function and the hard surface cleaning function of the floor nozzle 10.
- the floor installation device 156 In the textile surface cleaning function, the floor installation device 156 is in a non-operative position and thereby displaced into the suction head 38 in such a way that the surface 30 to be cleaned is not acted upon (FIG. 1).
- the first suction edge 74 and the second suction edge 76 are in an operative position and they can penetrate into the textile material of the surface 30 to be cleaned.
- the bottom equipment 156 is positioned over the switch 162 on the suction head 38 such that the envelope surface 160 is beyond the first suction edge 74 and the second suction edge 76.
- the first suction edge 74 and the second suction edge 76 are in a non-operative position and the ground engaging device 156 is in the operative position.
- the floor installation device 156 in the hard surface cleaning function provides a fluid (approximately) sealing of a space 164 between the floor installation device 156 and the hard surface 158, with the suction mouth 48 positioned with the suction opening 70 in this space.
- the switching device 162 is coupled to an adjustment device 166 for the additional air streams 118, 118 '.
- the adjusting device 166 in this case has adjusting elements 168, which are coupled to the switching device 162 and serve to close the outlets 116, 120 with the openings 122, 122 '.
- the adjustment members 168 positioned so that they release the outlets 116, 120 and so the additional air streams 118, 118 ', the first suction edge 74 and the second suction edge 76 can be acted upon on the respective outer side of the access and boundary walls.
- the adjustment elements 168 are designed as a slide or arranged on a slide 170, which is guided displaceably in the suction head 38 in a variant.
- a displacement movement and positioning of the slider 170 is effected via the switching means 162 in such a way that as described in the operative position of the ground installation means 156, the outlets 116, 120 are closed and in the operative position of the suction edges 74, 76 (in one non operative position of the ground facility 156) the outlets 116, 120 are open.
- the floor nozzle 10 for the textile surface cleaning function has an additional flow path 102, 102 'for each of its suction edges 74, 76 or only a suction edge 74 or 76, via the air from the environment on an outer side of the suction - Munds 48 of the respective suction edge 74, 76 can be provided.
- the floor nozzle absorbs less to the textile material and the pushing force that is necessary for moving the floor nozzle on the textile material is reduced.
- an outlet 116 or 120 are closable or adjustable in cross-section to allow adaptation to textile material. It may further be provided that a coupling of the variation of
- Opening width (including closeability) to a switching between textile surface cleaning function and hard surface cleaning function is possible.
- Limiting wall 50, 52, to which the suction edge 74 and 76 are formed are assigned.
- the ambient air, which then flows in via the corresponding additional air flow 118, 118 ', is less throttled than the air flows 100, 100', which flow through the textile material to the suction opening 70.
- the suction air in the additional air streams 118, 118 ' has a shorter path through the textile material and is less throttled. As a result, a large volume flow is present at the corresponding suction edge 74, 76.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2016/069788 WO2018036603A1 (de) | 2016-08-22 | 2016-08-22 | Bodendüse für einen staubsauger, verfahren zum absaugen von textilflächen und staubsauger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3500145A1 true EP3500145A1 (de) | 2019-06-26 |
| EP3500145B1 EP3500145B1 (de) | 2021-10-06 |
Family
ID=56740253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16753937.8A Active EP3500145B1 (de) | 2016-08-22 | 2016-08-22 | Bodendüse für einen staubsauger, verfahren zum absaugen von textilflächen und staubsauger |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3500145B1 (de) |
| WO (1) | WO2018036603A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3639715B1 (de) * | 2018-10-15 | 2023-04-19 | Wessel-Werk GmbH | Staubsaugerbodendüse |
| CN112190176B (zh) * | 2019-07-08 | 2025-10-28 | 斯普瑞恩托斯股份有限公司 | 用于清洁和护理地面表面的抽吸设备的接地吸嘴 |
| EP4311463A1 (de) * | 2022-07-26 | 2024-01-31 | Nilfisk A/S | Saugdüse und staubsauger mit einer saugdüse |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE350527A (de) | 1927-07-12 | |||
| CH249346A (de) * | 1946-07-29 | 1947-06-30 | Buehler Ag Geb | Düse für Staubsauger. |
| JPH10502275A (ja) | 1994-07-05 | 1998-03-03 | フエスト・カー・ゲー | 吸込みノズル、該ノズルの動作方法、および使用 |
| DE19706240A1 (de) | 1997-02-18 | 1998-08-20 | Fedag Romanshorn Fa | Saugreinigungswerkzeug mit höhenverstellbarem Saugmund |
| US6675438B2 (en) * | 1999-02-19 | 2004-01-13 | Wessel-Werke Gmbh | Vacuum-cleaner floor head |
| GB2383257B (en) * | 2001-12-21 | 2005-08-10 | Dyson Ltd | Cleaner head for a vacuum cleaner |
| DE102004006350A1 (de) * | 2004-02-10 | 2005-08-25 | Vorwerk & Co. Interholding Gmbh | Bodendüse für einen Staubsauger |
| CN100417361C (zh) * | 2004-03-16 | 2008-09-10 | Lg电子株式会社 | 吸嘴和具有这种吸嘴的真空吸尘器头 |
| NL1030311C1 (nl) * | 2005-10-31 | 2007-05-03 | Geert Kerssies | Mondstuk voor een stofzuiger. |
| EP2453780B1 (de) * | 2009-07-16 | 2013-11-13 | Dyson Technology Limited | Kopf zur oberflächenbehandlung |
| DE102011051139A1 (de) | 2011-06-17 | 2012-12-20 | Miele & Cie. Kg | Bodendüse für einen Staubsauger und Staubsauger mit einer solchen Bodendüse |
| DE102014100313A1 (de) * | 2014-01-13 | 2015-07-16 | Miele & Cie. Kg | Bodenpflegegerät mit einer angetriebenen Bürstenwalze |
-
2016
- 2016-08-22 WO PCT/EP2016/069788 patent/WO2018036603A1/de not_active Ceased
- 2016-08-22 EP EP16753937.8A patent/EP3500145B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036603A1 (de) | 2018-03-01 |
| EP3500145B1 (de) | 2021-10-06 |
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