EP2030544B1 - Aspirateur vertical - Google Patents

Aspirateur vertical Download PDF

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Publication number
EP2030544B1
EP2030544B1 EP08014254.0A EP08014254A EP2030544B1 EP 2030544 B1 EP2030544 B1 EP 2030544B1 EP 08014254 A EP08014254 A EP 08014254A EP 2030544 B1 EP2030544 B1 EP 2030544B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
upper body
recited
base unit
upright vacuum
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.)
Not-in-force
Application number
EP08014254.0A
Other languages
German (de)
English (en)
Other versions
EP2030544A3 (fr
EP2030544A2 (fr
Inventor
Tina Iseringhausen
Udo Mersmann
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2030544A2 publication Critical patent/EP2030544A2/fr
Publication of EP2030544A3 publication Critical patent/EP2030544A3/fr
Application granted granted Critical
Publication of EP2030544B1 publication Critical patent/EP2030544B1/fr
Not-in-force 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle

Definitions

  • the invention relates to a Upright-type vacuum cleaner with an upper body with dust collecting container, with a ground unit, which is movable by a chassis on the surface to be cleaned, and with a motor fan arranged outside the upper body for generating a negative pressure acting on the surface to be cleaned, with a first air line from a suction unit arranged in the bottom unit to the upper body and with a second air line from the upper body to the engine fan.
  • the following describes three types of vacuum cleaner that differ in their construction and operation. As common features all have a motor-driven blower, a dust collection room and one or more adapted to the particular purpose tillage equipment.
  • the vacuum cleaner has a housing which is movable on rollers and / or skids on the ground to be processed.
  • the engine fan and the dust collector are arranged in the housing.
  • the soil treatment device - here called floor nozzle - is connected via a suction hose, possibly with an intermediate suction pipe with the dust collection chamber.
  • the housing is brought into the desired position during the suction process by pulling on the suction tube.
  • the motor fan and the dust collector are also arranged in a housing. From the housing extends on one side of a suction pipe, which connects a floor nozzle with the dust collector, and on the other hand, a handle with which the housing is maneuvered into the desired position.
  • An essential feature of an upright is a movable floor unit, which carries a torso with a large dust collector.
  • the two parts are pivotally mounted to each other and usually fixable in a parking position in which the upper body is approximately vertical when the ground unit is in the use position on a horizontal floor. In this position, the upright is automatic.
  • this locking is released and tilted the upper body by a certain angle in a working position.
  • the swivel angle depends on the one hand on the size of the user and on the other hand from the respective use.
  • a handle on the upper body is used to guide the entire device.
  • the engine fan may be located at various locations.
  • Uprights are known in which the engine fan is arranged in the ground unit. In these, the articulated connection between the floor unit and the upper body by a hinge-like structure. In the aforementioned embodiments, two air lines between ground unit or fan and upper body are required, the dirt-laden air must be directed from the suction port to the dust collector and the purified air back to the blower. It is known to design the air duct by flexible hoses, which extend from the ground unit or from the fan to the upper body. These are located in the lower part of the Upright, where they frequently touch objects with sharp-edged corners as they move around the Upright. The hoses can then be easily damaged. In addition, they are difficult to install, cost-causing components dar.
  • the invention has the problem to achieve an improved air flow in a vacuum cleaner of the type mentioned.
  • the two air ducts in the bottom unit branch fork-shaped, wherein the first end of the branching are guided in the region of the suction mouth and the second end of the branching to the suction side of the engine blower.
  • the engine fan may be arranged in the ground unit.
  • the fork-shaped branch can be used as part of a tilting joint, by which upper body and bottom unit are mounted to each other about a horizontal axis in use pivotally. This results in a simple structure and it can be saved components.
  • the coaxial line consists of two sections which are divided transversely to the direction of flow and which are mounted rotatably relative to one another about their longitudinal axis.
  • the sections of the coaxial line can act as components of a rotary joint for rotatably supporting the upper body with respect to the floor unit.
  • the ground unit then makes a turn when the upper body or handle is rotated during its forward movement. This increases the maneuverability of the upright.
  • the bifurcated branch and a coaxial line section are components of a fork-shaped channel component. It is then realized with a component, a large part of the air duct and also both the rotary and the tilt joint. This achieves a space-saving, easy-to-manufacture and nevertheless solid construction.
  • Upright vacuum cleaner shown in various views, hereinafter referred to as Upright 1, consists essentially of a bottom unit 2, an upper body 3 and a joint arranged therebetween, which will be described later.
  • the upright 1 can from an upright position (see FIGS. 1 to 3 ), in which he is latched and then stands free, after releasing the locking (see FIG. 7 ) into a tilted ( FIGS. 4 and 5 ) and even in a fully extended position ( FIG. 6 ) to be brought.
  • ground unit 2 and upper body 3 are a horizontal axis X in use (see FIG FIG. 5 ) mounted to each other pivotally.
  • the joint which allows the pivoting movement, is referred to below as a tilting joint.
  • the upright in the tilted position, as well as in FIG. 5 shown rotated about an axis Y. By rotating the upper body 3 by means of the appliance handle 4 about this axis and simultaneously pushing or pulling the upright, the user can control the floor unit 2 around curves.
  • the corresponding joint is referred to in the text as a hinge.
  • the ground unit 2 in FIG. 7 shown in exploded view, comprises a housing, which is formed by a housing insert 5, a rear housing lower part 6, a front housing lower part 7, a bumper strip 8 and a cover part 9.
  • the housing insert 5 acts as a carrier for a number of electrical and mechanical components, and the aforementioned housing parts are attached to it. It forms with the rear housing lower part 6 with the interposition of an engine compartment seal 10, a space for receiving an engine blower 11, which generates the vacuum necessary for suction operation.
  • a sealing ring 13 is arranged around the fan inlet 12, which is also supported on the two aforementioned housing parts 5 and 6.
  • rubber buffer 14 are inserted.
  • a brushing roller 17 which is resiliently mounted on two lateral wings 18 and 19 and driven by a brush motor 20 via a belt 21.
  • the parts 22 and 23 represent a two-piece belt cover.
  • the brush motor 20 is also secured to the housing insert 5, the rockers 18 and 19 are pivotally mounted there.
  • the two housing bases 6 and 7 carry the chassis of the upright, which is formed of front wheels 24 and 25 and rear wheels 26 and 27.
  • the rear wheels 26 and 27 are connected to stabilize by means of an axle 28 and adjustable via a respective wheel mechanism 29 and 30 in their position.
  • a board 31 is attached to LED's 32, which is covered to the front by a lens 33.
  • the viewing window 33 is held in a recess 34 in the bumper 8.
  • the air generated by the engine fan 11 is blown through an opening 35 in the housing insert 5 and a corresponding opening 36 in the cover part 9 in the environment.
  • a filter frame 37 is used, which receives a not shown exhaust filter for cleaning the air blown out of fines.
  • the filter frame 37 is covered by a grid receptacle 38 and a grid 39 in the lid part 9 and is interchangeable from there.
  • Both the tilting joint and the pivot joint between the base unit 2 and the upper body 3 described later are formed by a rigid, fork-shaped channel component.
  • This component also includes parts of the air duct from the suction port 15 to the upper body 3 and the air guide from the upper body 3 to the exhaust opening (openings 35 and 36).
  • the component is referred to below as fork 40 and is in the Figures 10 and 12 as a detail and in the FIGS. 9 and 9a shown in the installation position. It consists of two plastic parts, an upper shell 41 and a lower shell 42, which are interconnected by welding.
  • the two ends 43 (right) and 44 (left) of the fork 40 are pivotally mounted in recesses 45 and 46 provided for this purpose, to avoid abrasion, they are respectively surrounded by metallic bushings 47 and 48.
  • the left in the direction of travel fork 44 is designed as hollow and coupled via a seal 49 with the blower inlet 12.
  • a bearing pin 50 is formed at the right in the direction of travel fork 43 . It also has an opening 51 which is connected via an elastic tube 52 to the suction port 15.
  • the connecting region of the two fork ends 43 and 44 hereinafter referred to as fork web 53, surrounded by a front cover 54 and a rear cover 55 on the bottom unit 2, which perform the pivoting movement of the fork 40 with.
  • the space between the front and rear cover and the housing insert 5 is bridged by aperture 56 and 57.
  • the first 58 of two cable channels 58 and 59 is attached.
  • the fork ends 43 and 44 carry toothed segments 60 and 61 which cooperate with the wheel mechanisms 29 and 30.
  • a trim cover 62 is attached to a connection cable, not shown.
  • a stepping lever 63 is mounted on the housing insert 5, which engages in this position in the left fork end 44 and thus prevents the pivoting movement of the fork 40.
  • the locking position can be released.
  • the latched position is also prevented by two spring-loaded bolts 64 and 65 a rotational movement.
  • the air ducts, which are formed by the fork ends 43 and 44, are combined in the region of the fork web 53 to a first portion 66 of a coaxial line.
  • FIG. 8 shows the upper body 3, also in exploded view.
  • Carrying component of the upper body 3 is a rear wall 67. It forms the rear portion of the dust chamber 68, which in turn receives a filter bag, not shown in the drawing.
  • the edge of the dust chamber 68 is surrounded by a seal 69, the side of a cover strip 70 is fixed for cables, not shown.
  • a hinge bearing 71 is attached to the rear wall 67.
  • the dust chamber 68 is closed at the front by an upper housing part 72, which is articulated via hinges 73 and torsion springs 74 pivotally mounted on the hinge bearing 71.
  • the top 72 carries a closure 75, a dust bag receptacle 76 and a Filter change display 77.
  • the hinge bearing 71 It also clad the hinge bearing 71.
  • the rear wall 67 carries the electronics 78 of Uprights, which is completely arranged on a receptacle 79 and can be mounted as a pre-tested component component.
  • a lever 81 for switching off the brush motor 20 is arranged via a torsion spring 80.
  • the electronics 78 is covered by a cap 84, which also serves for attachment to various controls and display elements and their accessories (lens 85, knob 86).
  • An elaborate air duct ensures that dirt-laden air can either be sucked in via the suction mouth in the floor unit or via a telescopic tube with possibly connected suction attachments such as crevice nozzle, furniture brush, upholstery nozzle, etc.
  • suction air from the suction port 15 via the elastic tube 52 and the right fork end 43 through the inner tube of the first portion 66 of the coaxial line in the fork web 53 into the inner tube of a second section 87 of the coaxial line.
  • This section 87 is continued in the rear wall 67 and there again separated into two separate lines.
  • the further air path leads through a Saugkanal Culture 88 in a manifold 89.
  • a telescopic tube 90 inserted, which passes via a pipe handle 91 in a flexible suction hose 92.
  • the suction hose 92 is held in a receptacle 93 provided therefor, as well as in FIG. 3 is recognizable.
  • Via a pivoting arc 94 the air enters a channel which extends over the entire length of the rear wall 67.
  • the channel is formed from the rear wall 67 itself and an attached air duct piece 95.
  • an arcuate neck 96 which consists of the rear wall 67 and partly of the electronic receptacle 79, the dirt-laden suction air in the area of the dust bag receptacle 76 and there in a dust bag, not shown.
  • FIG. 8 In the lower part of the components that serve for attachment and rotatable mounting of the upper body 3 to the fork 40.
  • the first section 66 of the coaxial line is surrounded by an injected metal ring 98, which projects beyond the outer diameter of this section 66 and which is enclosed in two bearing shells 99 and 100, respectively.
  • the bearing shells 99 and 100 are connected to the upper body 3.
  • metal ring 98 and bearing shells 99 and 100 form the pivot of Uprights 1.
  • the two sections 66 and 87 of the coaxial line with the interposition of a seal 101 are assembled.
  • FIG. 9 is the engine fan 11 recognizable, which is inserted into the rear housing lower part 6 and is covered by the housing insert 5.
  • the housing insert 5 On the suction side of the blower inlet 12 around the sealing ring 13 is arranged, which is also supported on the two aforementioned housing parts 5 and 6.
  • the enlarged view in FIG. 9a shows that the housing insert 5 is expanded in the region of the fan inlet 12 into a sleeve-shaped projection 501. As a result, joints of the two housing parts are avoided in this area.
  • the right in the direction of travel (out of the plane) fork end 43 in the FIG.
  • FIG. 9 shown on the left), as described above, designed as a journal and bordered by a metallic bushing 47. It is absorbed by a closed bearing seat, which is formed during assembly of the rear housing lower part 6 through the recess 45 and a corresponding counterpart 103 of the housing insert 5.
  • FIG. 9 is also the opening 51 recognizable, in which the leading to the suction mouth 15 hose piece (s. FIG. 7 ) is plugged.
  • the left in the direction of travel fork 44 in the FIG. 9 shown on the right) forms both the air flow from the upper body to the suction side of the blower 11 (fan inlet 12) and the pivot point of the tilting joint. It is therefore made hollow and provided at the end with a seal 49.
  • the seal 49 bears against the projection 501 and ensures an airtight transition between the blower 11 and the fork end 44. In this way, a high suction force can be achieved.
  • the storage takes place as in the right fork end by a bearing bush 48 which is received by a bearing seat (recesses 46 and 104).
  • the pivot axis X extends in the axis of symmetry of the engine blower 11, it is shown as a dashed line 102.
  • FIGS. 9 to 11 also show the fork web 52, in which the two air lines 105 and 106 from the fork ends 43 and 44 unite to form a first portion 66 of a coaxial line.
  • the air line 105 which is formed by the right fork end 43, is passed as an inner tube 107 in the upper body 3.
  • This tube 107 has a large flow cross-section, which can easily pass the dirt-laden air and larger parts sucked.
  • the line 106 which is formed by the left fork end 44, encloses the inner tube 107 in the fork web 53 and is guided as an outer ring 108 in the upper body 3. This is expedient because the transported air is already cleaned and therefore can be passed through this area with a smaller flow cross-section.
  • FIGS. 12 to 16 show the transition region from the fork 40 to the upper body 3 in different representations. It goes without saying that the connection between the fork web 53 on the upper shell 41 and the rear wall 67 takes place only when the two assemblies ground unit 2 and upper body 3 are completely assembled.
  • the outer tube 106 of the Koaxial Arthurs section on the fork web 53 is, as already described above, surrounded by an injected metal ring 98, the FIG. 10 shows the outer tube with the ring 98 in the installation situation.
  • the coaxial seal 101 is placed on the inner tube 105 and the outer ring 106. Subsequently, the two bearing shells 99 and 100 are connected by screws, not shown around the outer tube 106 and the metal ring 98 together to form a bearing housing 111.
  • FIG. 13 shows the upper shell 41 - mentally this is to supplement the other components of the floor unit 2 - after the completion of these assembly steps. Due to its dimensions, the bearing housing 111 can be rotated around the outer ring 106 and the metal ring 98 around, thus resulting in a rotation axis Y, which in the FIGS. 12 to 16 is shown as dashed line 112.
  • the two inner tubes 107 and 113 and also the two outer rings 108 and 114 of the Koaxial effets sections 66 and 87 are connected to each other via the seal 101 having H-shaped cross sections in both areas.
  • the above-described storage is defined so that the distance between the ends of the outer rings 108 and 114 and the inner tubes 107 and 113 in the mounted state is greater than the width of the arranged between the tube ends webs 118 of the H-seal 101.
  • no bearing forces act on the seal 101.
  • the two sections 66 and 87 can therefore be freely rotated against each other, there is only a slight resistance by the contact forces of the sealing walls 119th für the arrangement of the bearing housing 111 outside the air duct is excluded from its admission to dirt from the suction air.

Landscapes

  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (10)

  1. Aspirateur (1) du type balai, avec un corps supérieur (3) doté d'un collecteur de poussières, avec une unité de sol (2) qui peut être déplacée sur la surface à nettoyer par un chariot, et avec un ventilateur motorisé (11) disposé en dehors du corps supérieur (3) pour la production d'une dépression agissant sur la surface à nettoyer, avec une première conduite d'air (105) allant d'une bouche d'aspiration (15) disposée dans l'unité de sol (2) vers le corps supérieur (3), et avec une deuxième conduite d'air (106) allant du corps supérieur (3) au ventilateur motorisé (11),
    caractérisé en ce que
    les deux conduites d'air (105, 106) sont réunies en une conduite coaxiale dans la zone de la transition vers le corps supérieur (3).
  2. Aspirateur (1) du type balai selon la revendication 1,
    caractérisé en ce que
    les deux conduites d'air (105, 106) bifurquent en forme de fourche dans l'unité de sol, la première extrémité de la bifurcation étant conduite dans la zone de la bouche d'aspiration (15), et la deuxième extrémité de la bifurcation étant conduite vers le côté aspiration du ventilateur motorisé (11).
  3. Aspirateur (1) du type balai selon la revendication 2,
    caractérisé en ce que
    le ventilateur motorisé (11) est disposé dans l'unité de sol (2).
  4. Aspirateur (1) du type balai selon la revendication 3,
    caractérisé en ce que
    la bifurcation en forme de fourche fait partie d'une articulation basculante au moyen de laquelle le corps supérieur (3) et l'unité de sol (2) sont supportés de façon pivotante l'un par rapport à l'autre autour d'un axe (X) horizontal dans l'état de fonctionnement.
  5. Aspirateur (1) du type balai selon la revendication 1 à 4,
    caractérisé en ce que
    la conduite coaxiale se compose de deux tronçons (66, 87) qui sont divisés transversalement à la direction du flux et qui sont supportés de façon rotative l'un par rapport à l'autre autour de leur axe longitudinal (Y).
  6. Aspirateur (1) du type balai selon la revendication 5,
    caractérisé en ce que
    les tronçons (66, 87) de la conduite coaxiale font partie d'une articulation tournante destinée à supporter en rotation le corps supérieur (3) par rapport à l'unité de sol (2).
  7. Aspirateur (1) du type balai selon la revendication 6,
    caractérisé en ce que
    la bifurcation en forme de fourche et un tronçon (66) de conduite coaxiale font partie d'un composant de conduit (40) en forme de fourche.
  8. Aspirateur (1) du type balai selon une des revendications 5 à 7,
    caractérisé en ce que,
    deux joints d'étanchéité (101) annulaires sont disposés entre les extrémités des deux tronçons (66, 87) de conduite coaxiale.
  9. Aspirateur (1) du type balai selon la revendication 8,
    caractérisé en ce que
    les joints d'étanchéité (101) possèdent une section transversale en forme de H.
  10. Aspirateur (1) du type balai selon la revendication 8 ou 9,
    caractérisé en ce que
    les joints d'étanchéité (101) sont exempts de forces exercées sur les supports.
EP08014254.0A 2007-08-30 2008-08-09 Aspirateur vertical Not-in-force EP2030544B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007040949A DE102007040949A1 (de) 2007-08-30 2007-08-30 Upright-Staubsauger

Publications (3)

Publication Number Publication Date
EP2030544A2 EP2030544A2 (fr) 2009-03-04
EP2030544A3 EP2030544A3 (fr) 2011-08-24
EP2030544B1 true EP2030544B1 (fr) 2013-04-24

Family

ID=40042842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08014254.0A Not-in-force EP2030544B1 (fr) 2007-08-30 2008-08-09 Aspirateur vertical

Country Status (4)

Country Link
US (1) US8186007B2 (fr)
EP (1) EP2030544B1 (fr)
DE (1) DE102007040949A1 (fr)
DK (1) DK2030544T3 (fr)

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EP2091401B1 (fr) * 2006-12-13 2013-02-20 Aktiebolaget Electrolux Buse d'aspirateur, rouleau et aspirateur
DE102007040961A1 (de) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040955A1 (de) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040958A1 (de) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040959A1 (de) * 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
GB2454921A (en) * 2007-11-23 2009-05-27 Dyson Technology Limited Rotatable electrical connection for cleaner head
GB0805999D0 (en) * 2008-04-02 2008-05-07 Numatic Int Ltd Upright vacuum cleaner
CA2674763A1 (fr) * 2009-07-30 2011-01-30 G.B.D. Corp. Appareil de nettoyage de surfaces
GB0918027D0 (en) * 2009-10-15 2009-12-02 Dyson Technology Ltd A surface trating appliance
GB2474463B (en) * 2009-10-15 2013-11-13 Dyson Technology Ltd A surface treating appliance
GB2474462B (en) 2009-10-15 2013-12-11 Dyson Technology Ltd A surface treating appliance with domed-shaped wheels
GB2474470B (en) 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474475B (en) * 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474472B (en) * 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474473B (en) * 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474465B (en) * 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474466B (en) * 2009-10-15 2014-03-05 Dyson Technology Ltd A surface treating appliance
GB2474464B (en) * 2009-10-15 2013-11-20 Dyson Technology Ltd A surface treating appliance
GB2474469B (en) * 2009-10-15 2013-11-13 Dyson Technology Ltd A surface treating appliance
JP5723017B2 (ja) 2010-10-15 2015-05-27 テクトロニック フロア ケア テクノロジー リミテッド 表面クリーニング装置用ステアリングアッセンブリ
US9282862B2 (en) 2011-10-14 2016-03-15 Techtronic Floor Care Technology Limited Steering assembly for surface cleaning device
US9060665B2 (en) 2013-03-01 2015-06-23 Euro-Pro Operating Llc Floor cleaning appliance

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DE102007040961A1 (de) 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040959A1 (de) 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040955A1 (de) 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger
DE102007040958A1 (de) 2007-08-30 2009-03-05 Miele & Cie. Kg Upright-Staubsauger

Also Published As

Publication number Publication date
EP2030544A3 (fr) 2011-08-24
US20090056068A1 (en) 2009-03-05
DE102007040949A1 (de) 2009-03-05
DK2030544T3 (da) 2013-06-24
US8186007B2 (en) 2012-05-29
EP2030544A2 (fr) 2009-03-04

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