EP4062815A1 - Multifunktionale staubsaugerdüse - Google Patents

Multifunktionale staubsaugerdüse Download PDF

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Publication number
EP4062815A1
EP4062815A1 EP22167933.5A EP22167933A EP4062815A1 EP 4062815 A1 EP4062815 A1 EP 4062815A1 EP 22167933 A EP22167933 A EP 22167933A EP 4062815 A1 EP4062815 A1 EP 4062815A1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
brush
cleaner nozzle
glide plate
nozzle
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.)
Pending
Application number
EP22167933.5A
Other languages
English (en)
French (fr)
Inventor
Nicklas EKSTRÖM
Håkan Staf
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.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Priority to EP22167933.5A priority Critical patent/EP4062815A1/de
Publication of EP4062815A1 publication Critical patent/EP4062815A1/de
Pending legal-status Critical Current

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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
    • 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
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads

Definitions

  • the invention relates to a nozzle for a vacuum cleaner.
  • the present invention relates to nozzle for a vacuum cleaner that can operate in multiple modes of operation.
  • Conventional nozzles for vacuum cleaners typically comprise a brush, which is retractable into a nozzle head of the nozzle so as to adapt the nozzle to different surfaces to be cleaned.
  • the brush When the brush is retracted, the nozzle is adapted to carpets and when the brush is projected, the nozzle is adapted to hard floors.
  • EP 3 151 711 describes a mechanism arranged to set the brush and the support means in three different settings: a first setting, in which the brush and the support means are fully retracted in the nozzle head, a second setting, in which at least a portion of the brush is partly retracted in the nozzle head and the support means is projected further out from the nozzle head than said portion of the brush so as to form a gap between said portion of the brush and the surface to be cleaned, and a third setting, in which the brush is fully projected.
  • a vacuum cleaner nozzle can comprise a nozzle head having at least one suction opening through which suction opening air can enter the vacuum cleaner nozzle.
  • the vacuum cleaner nozzle also comprises at least one movable glide plate configured to in at least one mode of operation glide on a surface to be cleaned and at least one retractable brush.
  • the vacuum cleaner nozzle is configured to be selectable operated in at least three modes of operation. Each of the at least three modes of operation are enabled by moving the at least one of the retractable brush and the at least one glide plate in relation the nozzle head. The movement will typically be vertical when the nozzle head is used on a horizontal surface.
  • multiple modes of operations are enabled in an efficient manner that can provide different modes of operation suitable for different surfaces.
  • the different modes of operations can be enabled by only moving a retractable brush and a glide plate. Hence there is no need for any additional arrangement such as configurable wheels for providing multiple (at least three) modes of operation.
  • the vacuum cleaner nozzle is in a first mode of operation configured with the at least one retractable brush in an engaged position to contact the surface to be cleaned.
  • a mode of operation that is advantageous to be used on a hard floor is enabled.
  • the vacuum cleaner nozzle is in a second mode of operation configured with the at least one glide plate in an engaged position to contact the surface to be cleaned.
  • a mode of operation that is advantageous to be used on carpets and the like is enabled.
  • the vacuum cleaner nozzle is in a third mode of operation configured with the at least one glide plate in a floating position.
  • a multi-functional mode of operation can be obtained that is efficient on a surface having varying properties or as a multi-use mode for both hard floor and/or carpets.
  • the glide plate is spring loaded by a spring.
  • the force of the spring can be set in response to the vacuum force of the vacuum cleaner nozzle.
  • the glide plate is provided with at least one brush opening.
  • a brush in particular a forward brush can extend through the glide plate.
  • the at least one retractable brush is configured to move through said at least one brush opening.
  • an efficient setting of the mode selection of the mode of operation of the vacuum cleaner nozzle can be achieved by positioning a brush in different positions relative to the glide plate in different modes of operation.
  • the at least one retractable brush is configured to seal said at least one brush opening when vacuum cleaner nozzle is in said second mode of operation.
  • the second mode of operation can be less noisy and the efficiency can also be improved.
  • the brush ends of the at least one retractable brush is level with the glide plate when vacuum cleaner nozzle is in said second mode of operation.
  • an efficient sealing can be obtained.
  • the at least three modes of operation are configured to be selectable using a selector located on a top surface of the nozzle head.
  • a selector located on a top surface of the nozzle head.
  • the glide plate is provided with a rounded frontal section.
  • the glide plate can run easier on carpet and it is easier to get in big particles under the glide plate.
  • a vacuum cleaner nozzle comprising at least one suction opening through which suction opening air can enter the vacuum cleaner nozzle.
  • the vacuum cleaner nozzle has at least one glide plate, and at least one brush.
  • the at least one brush extend through at least one brush opening in the glide plate.
  • the at least one brush is retractable.
  • a mode of operation with the brush retracted is achieved so that the glide plate can contact the surface.
  • the at least one retractable brush in one mode of operation is configured to seal said at least one brush opening.
  • a silent mode of operation can be obtained.
  • the at least one retractable brush is level with the glide plate when in a mode of operation where said at least one opening is sealed.
  • an efficient silent mode of operation can be obtained.
  • the invention also extends to a vacuum cleaner comprising a vacuum cleaner nozzle according to the above.
  • FIG. 1 a general view of a vacuum cleaner 100 is shown.
  • the vacuum cleaner 100 is provided with a vacuum cleaner nozzle 101.
  • the vacuum cleaner nozzle 101 comprises a nozzle head 103 and a connector outlet 102 for connecting the vacuum cleaner nozzle 101 to a wand or a hose of the vacuum cleaner 100 .
  • the connector outlet 102 can be provided with a lock mechanism for keeping the vacuum cleaner nozzle in a locked connection to the wand or hose.
  • the vacuum cleaner nozzle 101 further comprises a selector 104 arranged to selectively set the vacuum cleaner nozzle 101 in, at least, three different modes of operation.
  • the selector 104 can advantageously be provided on a top side of the vacuum cleaner nozzle 101 for easy access by a user.
  • each of at least three modes of operation is enabled by moving at least one of a retractable brush and at least one glide plate vertically in relation the nozzle head 103 when the vacuum cleaner is in use on a horizontal surface to be cleaned.
  • the movement of the retractable brush and/or the at least one glide plate is enabled by operating the selector 104.
  • Different modes of operation of the vacuum cleaner nozzle 101 that can be selected will now be described in more detail in conjunction with Figs. 3 - 8 .
  • Fig. 3 a sectional view of the vacuum cleaner nozzle 101 along the section A - A in Fig. 2 is shown.
  • the selector 104 is in a first position.
  • the vacuum cleaner nozzle 101 is configured to operate in a first mode of operation.
  • This first mode of operation can be referred to a hard floor mode.
  • the vacuum cleaner nozzle 101 is provided with a glide plate 108 that forms a bottom side of the nozzle head 103.
  • the glide plate 108 faces the surface to be cleaned when the vacuum cleaner 100 is used.
  • the nozzle head 103 is supported by a number of wheels 105, 106 and the nozzle head 103 can roll on the floor on the wheels 105, 106.
  • the nozzle head is supported by brushes, see below.
  • the nozzle head has 4 wheels, two rear wheels 105 and two forward wheels 106.
  • Other wheel configurations and number of wheels are possible.
  • a rear brush 107 can be fixedly attached to the nozzle head 103 and contact the floor when the vacuum cleaner nozzle is operated in the hard floor mode.
  • a forward, retractable brush 109 is in a projected position where the forward brush 109 projects through at least one opening in the glide plate 108.
  • the forward brush 109 is then configured to be in contact with the floor to be cleaned and the nozzle head 103 rolls on the wheels 105, 106.
  • the glide plate 108 can be in a fixed, retracted position.
  • the selector can, in the hard floor mode be adapted to project the forward brush 109 through opening(s) in the glide plate and at the same time place the glide plate 108 in a fixed position relative to the nozzle head 103.
  • the glide plate 108 has a smooth front edge.
  • the smooth front edge is formed be a rounded frontal section 118 of the glide plate 108.
  • the rounded frontal section 118 makes the glide plate 108 run easier on carpet and easier to get in big particles under the glide plate 108.
  • the rounded frontal section 118 can have a front tip bottom side that is elevated 1 - 5 mm, in particular 2 - 3 mm, from the rest of the bottom side of the glide plate.
  • the entire bottom side of the glide plate is continuous and smooth from the front tip and backwards, in particular back to the forward brush 109.
  • a sectional view of the vacuum cleaner nozzle 101 along the section A - A in Fig. 2 is shown.
  • the selector 104 is in a second position.
  • the vacuum cleaner nozzle 101 is configured to operate in a second mode of operation.
  • This second mode of operation can be referred to as a smart/floating mode.
  • the nozzle head 103 is supported by a number of wheels 105, 106 and the nozzle head 103 can roll on the floor on the wheels 105, 106 as in the floor mode.
  • the rear brush 107 can be fixedly attached to the nozzle head 103 and contact the floor when the vacuum cleaner nozzle 101 is operated in the smart mode.
  • Fig. 6 a sectional view of the vacuum cleaner nozzle 101 along the section D - D in Fig. 5 is shown.
  • a forward, retractable brush 109 is in a retracted position where the forward brush 109 is retracted above the glide plate 108.
  • the nozzle head 103 rolls on the wheels 105, 106.
  • the glide plate 108 is in a suspended, spring loaded mode. This will be described in more detail below in conjunction with Fig. 9 .
  • the glide plate 108 is configured to move, typically vertically, between different positions by influence of the vacuum force formed by air blown through the nozzle head 103 and counter acted by a spring.
  • a floating position can be formed where the glide plate is able to move between different positions.
  • the glide plate 108 can be suspended above the floor a few mm such as 2 - 5 mm or about 3 - 4 mm.
  • the vacuum force become greater than the force of the spring, and the spring-loaded glide plate 108 contacts the carpet for efficient cleaning of the carpet.
  • the smart mode will therefore act to provide efficient cleaning on different types of surfaces. This is due to the ability of the glide plate to move between different positions and also due to the forward brush being enabled to project through the glide plate.
  • the force of the spring will therefore be dimensioned in response to the vacuum force.
  • the spring force of the spring can be adapted to enable the glide plate to have different positions on different surfaces because the vacuum force will vary for different surfaces.
  • Fig. 7 a sectional view of the vacuum cleaner nozzle 101 along the section A - A in Fig. 2 is shown.
  • the selector 104 is in a third position.
  • the vacuum cleaner nozzle 101 is configured to operate in a third mode of operation.
  • This third mode of operation can be referred to a carpet mode.
  • the glide plate 108 is placed in a locked projected position by the selector 104.
  • the rear brush 107 can be fixedly attached to the nozzle head 103 and contact the floor when the vacuum cleaner nozzle 101 is operated in the carpet mode.
  • Fig. 8 a sectional view of the vacuum cleaner nozzle 101 along the section B - B in Fig. 5 is shown.
  • a forward, retractable brush 109 is placed in position where the brush ends of the forward brush 109 is level with the openings of the glide plate 108.
  • the forward brush will act as a seal in the openings.
  • the suction power can be increased due to reduced losses via the openings.
  • Fig. 9 a sectional view along the section F-F in Fig. 6 is shown.
  • the spring 110 that suspends the glide plate can in accordance with the exemplary embodiment of Fig. 9 be attached to a hook 111 holding the glide plate.
  • the spring 110 can be dimensioned to provide a spring bias force that suspends the glide plate.
  • the spring force can be such that the glide plate is in a retracted position when the nozzle head 103 is moved over a floor surface.
  • the vacuum force is greater than the spring force and the glide plate moves to a more projected position.
  • a bottom view of a nozzle head 103 of the vacuum cleaner nozzle 101 is shown.
  • the nozzle head 103 has a suction opening 113 through which suction opening air can enter the vacuum cleaner nozzle.
  • Fig. 10 illustrates brush openings 112 in the glide plate 108.
  • the brush openings 112 provide a space for the forward brush to project through (and be retracted through) the glide plate 108.
  • Any suitable number of brush openings 112 can be provided in the glide plate 108 for example 1 - 10 brush openings can be provided. In particular 3 - 6 brush openings 112 can be provided. In the example shown in Fig. 10 , 5 brush openings 112 are provided.
  • the brush openings are preferably elongated in shape and can be provided as slit(s) in the glide plate 108.
  • the size of the brush openings 112 is preferably matched to the dimensions of the forward brush.
  • the forward brush can be made to seal the brush openings 112 in the glide plate 108 when the brush ends of the forward brush is set level with the glide plate as described above.
EP22167933.5A 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse Pending EP4062815A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22167933.5A EP4062815A1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18207617.4A EP3656267B1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse
EP22167933.5A EP4062815A1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18207617.4A Division EP3656267B1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse

Publications (1)

Publication Number Publication Date
EP4062815A1 true EP4062815A1 (de) 2022-09-28

Family

ID=64426799

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22167933.5A Pending EP4062815A1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse
EP18207617.4A Active EP3656267B1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18207617.4A Active EP3656267B1 (de) 2018-11-21 2018-11-21 Multifunktionale staubsaugerdüse

Country Status (2)

Country Link
EP (2) EP4062815A1 (de)
CN (1) CN111202467B (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6611415A (de) * 1965-08-13 1967-02-14
SE334714B (de) * 1967-10-12 1971-05-03 Electrolux Ab
US4014068A (en) * 1975-04-03 1977-03-29 The Hoover Company Brush mounting and torsion spring support for powered nozzle
DE2646567A1 (de) * 1976-10-15 1978-04-20 Duepro Ag Gleitplatte fuer staubsaugerduesen
EP2098150A2 (de) * 2008-03-06 2009-09-09 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger
DE102014112141A1 (de) * 2014-08-25 2016-02-25 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344750B (en) * 1998-12-18 2002-06-26 Notetry Ltd Vacuum cleaner
DE10312906B4 (de) * 2003-02-20 2006-05-04 Wessel-Werk Gmbh Staubstaugerdüse für Glattböden und textile Bodenbeläge
GB2504676B (en) * 2012-08-03 2014-11-26 Dyson Technology Ltd A floor tool for a vacuum cleaning appliance
EP2975993B1 (de) * 2013-03-21 2018-05-16 Aktiebolaget Electrolux Saungmundstück für staubsauger mit hinterem bürstenmechanismus
CN104887149B (zh) * 2014-03-04 2018-09-25 科沃斯机器人股份有限公司 用于真空吸尘器的吸嘴及具有该吸嘴的清洁装置
EP3151711B1 (de) * 2014-06-05 2018-05-02 Aktiebolaget Electrolux Saugdüse mit drei einstellungen
DE102015113460A1 (de) * 2015-08-14 2017-02-16 Vorwerk & Co. Interholding Gmbh Bodendüse für ein Reinigungsgerät, insbesondere für einen Staubsauger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6611415A (de) * 1965-08-13 1967-02-14
SE334714B (de) * 1967-10-12 1971-05-03 Electrolux Ab
US4014068A (en) * 1975-04-03 1977-03-29 The Hoover Company Brush mounting and torsion spring support for powered nozzle
DE2646567A1 (de) * 1976-10-15 1978-04-20 Duepro Ag Gleitplatte fuer staubsaugerduesen
EP2098150A2 (de) * 2008-03-06 2009-09-09 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger
DE102014112141A1 (de) * 2014-08-25 2016-02-25 Wessel-Werk Gmbh Saugdüse für Bodenstaubsauger

Also Published As

Publication number Publication date
CN111202467B (zh) 2023-01-31
EP3656267A1 (de) 2020-05-27
EP3656267B1 (de) 2022-04-20
CN111202467A (zh) 2020-05-29

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