EP3626143B1 - Ansaugvorrichtung für haushaltssauger - Google Patents

Ansaugvorrichtung für haushaltssauger Download PDF

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Publication number
EP3626143B1
EP3626143B1 EP19191538.8A EP19191538A EP3626143B1 EP 3626143 B1 EP3626143 B1 EP 3626143B1 EP 19191538 A EP19191538 A EP 19191538A EP 3626143 B1 EP3626143 B1 EP 3626143B1
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EP
European Patent Office
Prior art keywords
annular
annular sealing
suction
motor
suction device
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EP19191538.8A
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English (en)
French (fr)
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EP3626143C0 (de
EP3626143A1 (de
Inventor
Fabien David
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SEB SA
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SEB SA
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Publication of EP3626143B1 publication Critical patent/EP3626143B1/de
Publication of EP3626143C0 publication Critical patent/EP3626143C0/de
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    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • 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 present invention relates to the field of domestic vacuum cleaners making it possible to suck up dust and small-grained waste present on a surface to be cleaned, which can for example be tiles, parquet, laminate, carpet or a rug.
  • the aeraulic sealing element When mounting the suction device in the housing of such a domestic vacuum cleaner, the a Vogellic sealing element generally undergoes a shearing movement relative to the housing of the domestic vacuum cleaner. However, such a shearing movement can harm the mechanical strength of the aeraulic sealing element with respect to the motor casing, and therefore harm the seal between the motor casing and the suction motor and between the vacuum cleaner motor and housing.
  • JP2874401B2 And WO2010106471 each describe a suction motor disposed in a casing and an aeraulic sealing element cooperating in a leaktight manner with the suction motor.
  • the present invention aims to remedy all or part of these drawbacks.
  • the object of the present invention consists in particular in providing a suction device ensuring easy and reliable assembly by shearing of the aeraulic sealing element on the housing of the vacuum cleaner, while exhibiting optimum suction performance.
  • Such a configuration of the annular sealing protrusion and such overmolding of the first annular sealing portion on the motor housing ensure optimum sealing between the housing of the vacuum cleaner and the motor housing with a minimum of overmolded material, while guaranteeing easy and reliable shear mounting of the air-sealing element on the housing of the vacuum cleaner and while guaranteeing optimum flexibility to the air-sealing element.
  • the overmolding of the first annular sealing portion on the motor casing ensures a hold optimum mechanics of the air sealing element on the motor housing.
  • the hollow shape of the annular sealing protrusion makes it possible to increase the flexibility of the annular sealing protrusion.
  • the suction device ensures an easy and reliable mounting by shearing of the a somehowlic sealing element on the housing of the vacuum cleaner, while exhibiting optimum suction performance.
  • the suction device may further have one or more of the following characteristics, taken alone or in combination.
  • the first annular sealing portion extends around the periphery of the passage opening.
  • the annular sealing protrusion projects opposite the suction motor.
  • the annular sealing protrusion is flexible.
  • the annular sealing protrusion has a curved front profile and a rear profile having at least locally a hollow shape.
  • Such a hollow-shaped rear profile makes it possible to reduce the thickness of the wall forming the annular sealing protrusion, which has the advantage of increasing the flexibility of the annular sealing protrusion.
  • the annular sealing protuberance comprises an annular wall which is curved, the annular wall comprising a first curved annular surface which is concave and oriented towards the suction motor and a second curved annular surface which opposes the first curved annular surface, the second curved annular surface being convex and facing away from the vacuum motor.
  • the annular sealing protrusion makes it possible to obtain more flexibility in the direction of the axis of the suction motor in order to guarantee a optimal sealing by absorbing the play between the motor housing and the housing of the domestic vacuum cleaner.
  • the annular wall can be particularly thin, which makes it possible to use a material having a higher hardness to manufacture the a Vogellic sealing element and therefore to ensure better sliding of the latter during its assembly by shearing. .
  • the second curved annular surface is oriented towards a partition wall belonging to the housing of the vacuum cleaner.
  • the annular sealing protrusion further comprises a plurality of connecting walls which are angularly offset from each other and which are distributed around the passage opening, each connecting wall s extending from the first curved annular surface and being attached to the motor housing.
  • Such a characteristic makes it possible to ensure better retention of the shape of the annular sealing protrusion and in particular to prevent the annular sealing protrusion from turning over when mounting the device and presenting an inverted shape with respect to the initially molded shape.
  • the engine casing comprises a front fairing and a rear fairing, the first annular sealing portion being molded onto the front fairing of the engine casing.
  • the first annular sealing portion extends over a front face of the front fairing which is located opposite the suction motor.
  • the motor casing comprises a plurality of through-holes which are angularly offset from each other and which are distributed around the passage opening, the first annular sealing portion being molded on the motor housing at the through-holes so that the annular sealing protuberance covers the through-holes.
  • Such through holes allow the passage of parts of the mold defining the hollow shape of the internal wall of the sealing protuberance annular during the molding of the latter on the crankcase.
  • each through hole extends in an arc of a circle.
  • the through holes are aligned circumferentially.
  • the motor casing comprises a retaining part on which the first annular sealing portion is molded, the retaining part comprising an annular retaining ring which defines the passage opening, a main retaining portion extending around the annular retaining ring, and connecting lugs which connect the annular retaining ring to the main retaining portion, the connecting lugs being angularly spaced from each other so as to form, with the annular retaining ring and the main retaining portion, the through holes.
  • the connecting lugs come into correspondence with the connecting walls of the annular sealing protrusion.
  • the connecting tabs extend radially.
  • the front fairing of the engine casing comprises the retaining part.
  • the a Vogellic sealing element is annular and flexible.
  • the second annular sealing portion is configured to be flattened and held in abutment in a sealed manner against the suction motor when the suction motor is powered and generates the suction flow .
  • the resultant of the forces applied to the second annular sealing portion is such that the second annular sealing portion is pressed and maintained in support in a sealed manner against the vacuum motor.
  • the second annular sealing portion is configured to bear against the suction motor when the suction motor is stopped.
  • the second annular sealing portion comprises an annular sealing lip which extends around the air inlet opening from an annular sealing rib configured to cooperate sealing manner with the suction motor, the annular sealing lip comprising support ribs which extend under the annular sealing lip and which are configured to bear against the suction motor in order to locally raise the annular sealing lip and allow the vacuum generated by the suction flow to apply under the annular sealing lip to the edge of the annular sealing rib when the suction motor is energized and generates the suction flow.
  • the support ribs are more particularly configured to locally raise the annular sealing lip when the latter is pressed in the direction of the suction motor by the suction flow generated by the suction motor.
  • the suction flow can be applied uniformly to the edge of the annular sealing rib configured to cooperate in a sealed manner with the suction motor.
  • the support ribs therefore make it possible to distribute the pressure forces applied to the annular sealing lip when the suction motor is powered and generates the suction flow and therefore make it possible to improve the mechanical strength of the sealing lip. annular sealing and thus the sealing between the aeraulic sealing element and the suction motor under conditions of use of the suction device.
  • the a somehowlic sealing element is in one piece.
  • the support ribs extend around the air inlet opening.
  • the support ribs are regularly distributed around the air inlet opening.
  • the support ribs extend as far as an internal peripheral edge of the annular sealing lip.
  • the support ribs extend substantially radially with respect to a central axis of the aeraulic sealing element.
  • the annular sealing lip comprises an annular sealing rib configured to cooperate in a sealed manner with the suction motor.
  • the annular sealing rib is formed at an outer peripheral edge of the annular sealing lip.
  • the annular sealing rib extends substantially parallel to the central axis of the air sealing element.
  • the support ribs extend as far as the annular sealing rib or as far as close to the annular sealing rib.
  • the second annular sealing portion has an outer diameter smaller than an outer diameter of the first annular sealing portion.
  • the annular sealing lip extends transversely with respect to the central axis of the aeraulic sealing element.
  • the a Vogellic sealing element further comprises an annular intermediate portion located between the first and second annular sealing portions, the annular intermediate portion comprising a first tubular portion extending from from the first annular sealing portion and towards the suction motor, and a second tubular portion extending from the second annular sealing portion and away from the suction motor, the first and second tubular portions being substantially concentric and being axially offset relative to each other.
  • At least a part of the first tubular portion is located opposite the second tubular portion.
  • the first and second tubular portions overlap at least partially in an axial direction.
  • the second tubular portion is located radially inside the first tubular portion.
  • the first and second annular sealing portions are offset axially relative to each other.
  • the annular intermediate portion comprises at least one radial ply oriented substantially radially with respect to the central axis of the aeraulic sealing element, and at least one annular ply substantially concentric with the central axis of the air sealing element.
  • the at least one radial ply makes it possible to increase the flexibility of the aeraulic sealing element in a tangential direction and therefore to substantially reduce the transfer, to the housing of the vacuum cleaner, of the vibrations generated by the electromagnetic forces. caused by operation of the vacuum motor and interactions between the rotor and the vacuum motor stator, wherein the at least one ply annular makes it possible to increase the flexibility of the aeraulic sealing element in a radial direction and therefore to substantially reduce the transfer, to the housing of the vacuum cleaner, of the vibrations generated by the unbalance of the suction motor.
  • the annular intermediate portion further comprises an annular connecting portion located between the first and second tubular portions and connecting the first and second tubular portions to each other so as to define the at least one ring ply.
  • the annular connecting portion connects the first and second tubular portions to each other so as to define two annular folds substantially concentric with the central axis of the sealing element aghilic, the two annular folds being oriented in two opposite directions.
  • Such a configuration of the annular connecting portion further increases the flexibility of the air sealing element and therefore further limits the transfer of vibrations generated by the suction motor to the housing of the domestic vacuum cleaner.
  • the annular intermediate portion has a generally Z-shaped longitudinal section.
  • the at least one radial fold is provided at least partially on the second tubular portion.
  • the at least one radial fold is provided at least partially on the second tubular portion and at least partially on the annular connecting portion.
  • the at least one radial ply extends globally along a plane oriented radially with respect to the central axis of the aeraulic sealing element.
  • the annular intermediate portion comprises a plurality of radial folds which are oriented substantially radially with respect to the central axis of the aeraulic sealing element and which are angularly offset from each other and distributed around the central axis, and for example regularly distributed around the central axis.
  • each radial ply comprises a concave surface facing the outside of the air sealing element and a convex surface facing the inside of the air sealing element.
  • the passage opening is provided on the front fairing.
  • the suction motor comprises a fan and an electric motor configured to drive the fan in rotation.
  • the suction motor further comprises a fan cover at least partially covering the fan, the air inlet opening being provided on the fan cover.
  • the suction device comprises a suspension system configured to support the suction motor.
  • the suspension system may include a plurality of damping elements disposed around the periphery of the vacuum motor and connected to the motor housing.
  • each damping element has a generally S-shaped cross-section.
  • the suspension system further comprises at least one compensating spring configured to compensate for the weight of the suction motor.
  • a compensation spring makes it possible in particular to maintain the suction motor in "levitation" so that the damping elements can work in the same way and therefore ensure appropriate centering of the suction motor with respect to the housing of the 'vacuum cleaner.
  • the a somehowlic sealing element is made of elastomer.
  • the a Vogellic sealing element is configured to guide the suction flow from the passage opening to the air inlet opening.
  • the present invention further relates to a household vacuum cleaner comprising a suction device according to any one of the preceding characteristics.
  • the domestic vacuum cleaner comprises a housing comprising a filtration compartment and an engine compartment separated by a partition wall provided with a communication orifice, the first annular sealing portion being configured to cooperate sealingly with the partition wall.
  • the annular sealing protuberance is configured to extend around the communication orifice and to cooperate in a sealed manner with the separation wall.
  • the a Vogellic sealing element is configured to guide the suction flow generated by the suction motor from the communication orifice to the air inlet opening.
  • the present invention also relates to an air sealing element for a domestic vacuum cleaner, comprising a first annular sealing portion configured to cooperate in a leaktight manner with a motor casing, and a second annular sealing portion configured to cooperate in a leaktight manner with a suction motor, characterized in that the first annular sealing portion is overmolded on the motor casing and comprises an annular sealing protrusion which extends around the passage opening and which is configured to cooperate waterproof manner with a housing of the household vacuum cleaner
  • the present invention also relates to an air sealing element for a suction device, the air sealing element being configured to guide a flow of suction from a passage opening provided on a motor housing to an air inlet opening of a suction motor, the air sealing element being annular and flexible, the air sealing element comprising a first annular sealing portion configured to cooperate sealingly with the motor housing, and a second annular sealing portion configured to cooperate sealingly with the suction motor, characterized in that the second annular sealing portion comprises an annular sealing lip which extends around the air inlet opening, and bearing ribs which extend from the annular sealing lip and which are configured to bear against the vacuum motor, and for example against an external surface of the suction motor, and in that the annular sealing lip is configured to be pressed against and held in abutment in a sealed manner against the suction motor when the suction motor is powered and generates the suction flow.
  • THE figures 1 to 10 represent a domestic vacuum cleaner 2 comprising in particular a housing 3, also a vacuum cleaner body, comprising in known manner a filtration compartment 4 and an engine compartment 5 separated by a partition wall 6 provided with a communication orifice 7.
  • the filtration 4 is intended to receive a filtration device (not shown in the figures), such as a filtration bag or a cyclonic separation device, making it possible to retain waste sucked into the housing 3.
  • the housing 3 also comprises an air inlet 8 through which air carrying waste is sucked into the housing 3, and an air outlet 9 through which the air previously cleared of waste by the filtration device is evacuated. out of the box 3.
  • the box 3 is advantageously equipped with wheels 11 to ensure the displacement of the domestic vacuum cleaner 2.
  • the domestic vacuum cleaner 2 may also comprise a flexible hose (not shown in the figures) connected, preferably in a removable manner, to the air inlet 8 of the housing 3, and a suction accessory (not shown in the figures ) such as, for example, a rigid telescopic tube which can receive, at its end opposite the flexible pipe, a removable suction head.
  • a flexible hose not shown in the figures
  • a suction accessory such as, for example, a rigid telescopic tube which can receive, at its end opposite the flexible pipe, a removable suction head.
  • the domestic vacuum cleaner 2 further comprises a suction device 12 housed in the engine compartment 5.
  • the suction device 12 comprises a motor casing 13.
  • the motor casing 13 comprises a 13.1 front fairing and a 13.2 rear fairing assembled to each other for example by screwing or snap-fastening, and a passage opening 14 provided on the front fairing 13.1.
  • the suction device 12 further comprises a suction motor 15, also called a fan motor, disposed in the motor casing 13 and configured to generate a suction flow.
  • the suction motor 15 comprises a fan and an electric motor configured to drive the fan in rotation.
  • the vacuum motor 15 may further include a fan cover 16 at least partially covering the fan and defining an air inlet opening 17.
  • the suction device 12 also comprises an aeraulic sealing element 18 which is one-piece and which is configured to guide the suction flow from the passage opening 14 to the air inlet opening 17.
  • the a Vogellic sealing element 18 is annular and flexible, and comprises a first annular sealing portion 19 configured to cooperate in a leaktight manner with the motor casing 13, a second annular sealing portion 21 configured to cooperate in a leaktight manner sealed with the suction motor 15, and an intermediate annular portion 22 located between the first and second annular sealing portions 19, 21.
  • the first and second annular sealing portions 19, 21 are axially offset l one relative to the other.
  • the first annular sealing portion 19 extends around the periphery of the passage opening 14 and is molded onto the front fairing 13.1 of the engine casing 13.
  • the first annular sealing portion 19 extends over a front face of the front fairing 13.1 which is located opposite the suction motor 15.
  • the front fairing 13.1 comprises a retaining part 23 on which the first sealing portion is molded 19.
  • the retaining part 23 advantageously comprises an annular retaining ring 24 which defines the passage opening 14, a main retaining portion 25 extending around the annular retaining ring 24, and connecting tabs 26 which connect the annular retaining ring 24 to the main retaining portion 25.
  • the connecting lugs 26 extend radially and are angularly spaced from each other so as to form, with the annular retaining ring 24 and the portion of main support 25, through holes 27 which are angularly offset from each other and which are distributed around the passage opening 14.
  • the through holes 27 extend in an arc of a circle and are aligned circumferentially.
  • the first annular sealing portion 19 includes an annular sealing projection 28 extending around the passage opening 14 and projecting opposite the suction motor 15.
  • the annular sealing projection 28 is configured to extend around the communication orifice 7 and to cooperate in a sealed manner with the partition wall 6.
  • the annular sealing protuberance 28 covers the through orifices 27.
  • Annular sealing protrusion 28 includes an annular wall 29 which is thin and curved.
  • the annular wall 29 has a first curved annular surface 29.1 which is concave and oriented towards the suction motor 15 and a second curved annular surface 29.2 which is convex and oriented away from the suction motor 15, i.e. i.e. towards the dividing wall 6.
  • the annular sealing protrusion 28 further comprises a plurality of connecting walls 31 which are angularly offset from each other and which are distributed around the passage opening 14.
  • Each connecting wall 31 extends from the first curved annular surface 29.1 and facing a respective connecting lug 26, and is fixed by molding to the latter.
  • each connecting wall 31 advantageously extends radially.
  • the second annular sealing portion 21 extends around the air inlet opening 17 and has an outer diameter smaller than an outer diameter of the first annular sealing portion 19.
  • the second annular sealing portion 21 more particularly comprises an annular sealing lip 32 which extends transversely with respect to the central axis A of the aeraulic sealing element 18 and which is configured to cooperate in a leaktight manner with the suction motor 15, and more particularly with the fan cover 16.
  • the annular sealing lip 32 is configured to bear against the suction motor 15 when the suction motor 15 is stopped, and to be pressed and held in abutment in a sealed manner against the suction motor 15 when the suction motor 15 is energized and generates the suction flow.
  • the resultant of the forces applied to the annular sealing lip 32 is such that the annular sealing lip 32 is pressed and held in a sealed manner against the suction motor 15.
  • the annular sealing lip 32 comprises an annular sealing rib 33 configured to cooperate in a leaktight manner with the suction motor 15.
  • the annular sealing rib 33 is advantageously provided at the level with an outer peripheral edge of the annular sealing lip 32, and extends substantially parallel to the central axis A of the aeraulic sealing element 18.
  • the second annular sealing portion 21 further comprises support ribs 34 extending from the annular sealing lip 32 and configured to bear against the suction motor 15, and for example against a surface exterior of the fan cover 16.
  • the support ribs 34 extend around the air inlet opening 17 and extend radially with respect to the axis central A of the aeraulic sealing element 18.
  • the support ribs 34 are more particularly configured to raise the annular sealing lip 32 upstream of the annular sealing rib 33 so as to distribute the pressure forces applied on the annular sealing lip 32 in the vicinity of the annular sealing rib 33 when the suction motor 15 is energized and generates the suction flow.
  • the support ribs 34 extend on the one hand up to the annular sealing rib 33 and on the other hand up to an internal peripheral edge of the lip of annular seal 32.
  • the annular intermediate portion 22 of the a Vogellic sealing element 18 comprises a first tubular portion 35 extending from the first annular sealing portion 19 and in the direction of the suction motor 15, and a second tubular portion 36 extending from the second annular sealing portion 21 and opposite the suction motor 15.
  • the first and second tubular portions 35, 36 are concentric with the central axis A of the element of air seal 18 and are axially offset from each other.
  • the second tubular portion 36 is located radially inside the first tubular portion 35, and the first and second tubular portions 35, 36 partially overlap in an axial direction.
  • the annular intermediate portion 22 further comprises an annular connecting portion 37 located between the first and second tubular portions 35, 36 and connecting the first and second tubular portions 35, 36 to each other so as to define two annular folds 38, 39 concentric with the central axis A of the aeraulic sealing element 18.
  • the two annular folds 38, 39 are advantageously oriented in two opposite directions, so that the annular intermediate portion 22 has a longitudinal section generally in Z shape.
  • the annular intermediate portion 22 also comprises a plurality of radial folds 41 which are oriented substantially radially with respect to the central axis A of the aeraulic sealing element 18, and which each advantageously extend globally along a plane oriented radially with respect to the central axis A.
  • the radial folds 41 are offset angularly from each other and are advantageously regularly distributed around the central axis A.
  • Each radial ply 41 advantageously comprises a concave surface 41.1 oriented towards the outside of the aeraulic sealing element 18 and a convex surface 41.2 oriented towards the interior of the aeraulic sealing element 18.
  • each radial ply 41 is advantageously formed partially on the second tubular portion 36 and partially on the annular connecting portion 37.
  • the suction device 12 further comprises (see in particular the figures 9 and 10 ) a suspension system 43 configured to support the suction motor 15.
  • the suspension system 43 more particularly comprises a support piece 44 fixed to the suction motor 15, and a plurality of damping elements 45 interposed between the support piece 44 and the motor housing 13 and distributed around the suction motor 15.
  • the support part 44 can for example comprise an annular support part 44.1 extending around the suction motor 15, a rear part 44.2 extending at the rear of the suction motor 15 and connecting branches 44.3 s extending longitudinally and connecting the annular support part 44.1 to the rear part 44.2.
  • the support piece 44 can thus define a housing in which the suction motor 15 is mounted.
  • each damping element 45 has a generally S-shaped cross-section, and comprises a first fixing part 45.1 fixed to the engine casing 13, for example to the rear fairing 13.2, and a second fixing part 45.2 fixed to the support piece 44.
  • the suspension system 43 can for example comprise four damping elements 45 regularly distributed around the suction motor 15.
  • the system of suspension 43 further comprises a compensation spring 46 configured to compensate for the weight of the suction motor 15.
  • the compensation spring 46 can for example be located above the suction motor 15 and be formed by a tension spring. According to a variant embodiment, the compensation spring 46 could be located below the suction motor 15 and be formed by a compression spring.
  • the compensation spring 46 is more particularly interposed between the support part 44 and the motor casing 13.
  • the compensation spring 46 advantageously comprises a first end portion 46.1 fixed to the motor casing 13, for example to the rear fairing 13.2, and a second end portion 46.2 fixed to the support piece 44.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (15)

  1. Ansaugvorrichtung (12) für Haushaltssauger (2), umfassend:
    - ein Motorgehäuse (13), umfassend eine Durchführungsöffnung (14),
    - einen Ansaugmotor (15), der in dem Motorgehäuse (13) angeordnet ist, konfiguriert, um einen Ansaugstrom zu erzeugen, wobei der Ansaugmotor (15) eine Lufteintrittsöffnung (17) umfasst, und
    - ein aeraulisches Dichtungselement (18), umfassend einen ersten ringförmigen Dichtungsabschnitt (19), konfiguriert, um in dichter Form mit dem Motorgehäuse (13) zusammen zu wirken, und einen zweiten ringförmigen Dichtungsabschnitt (21), konfiguriert, um in dichter Form mit dem Ansaugmotor (15) zusammen zu wirken,
    dadurch gekennzeichnet, dass der erste ringförmige Dichtungsabschnitt (19) an dem Motorgehäuse (13) angeformt ist, und einen ringförmigen Dichtungsvorsprung (28) umfasst, der sich um die Durchgangsöffnung (14) herum erstreckt, und der konfiguriert ist, um in dichter Form mit einem Gehäuse (3) des Haushaltssaugers zusammen zu wirken, wobei der ringförmige Dichtungsvorsprung mindestens lokal einen hohlen Teil aufweist.
  2. Ansaugvorrichtung (12) nach Anspruch 1, wobei der ringförmige Dichtungsvorsprung (28) gegenüber dem Ansaugmotor (15) hervorsteht.
  3. Ansaugvorrichtung (12) nach Anspruch 1 oder 2, wobei der ringförmige Dichtungsvorsprung (28) ein gewölbtes vorderes Profil und ein hinteres Profil aufweist, das mindestens lokal eine ausgehöhlte Form aufweist.
  4. Ansaugvorrichtung (12) nach Anspruch 3, wobei der ringförmige Dichtungsvorsprung (28) eine ringförmige Wand (29) umfasst, die gekrümmt ist, wobei die ringförmige Wand (29) eine erste gekrümmte ringförmige Oberfläche (29.1) umfasst, die konkav, und zum Ansaugmotor (15) hin ausgerichtet ist, und eine zweite gekrümmte ringförmige Oberfläche (29.2) die gegenüber der ersten gekrümmten ringförmigen Oberfläche (29.1) liegt, wobei die zweite gekrümmte ringförmige Oberfläche (29.2) konvex, und entgegengesetzt zum Ansaugmotor (15) ausgerichtet ist.
  5. Ansaugvorrichtung (12) nach Anspruch 4, wobei der ringförmige Dichtungsvorsprung (28) weiter eine Vielzahl von Verbindungswänden (31) umfasst, die im Winkel voneinander versetzt sind, und die um die Durchführungsöffnung (14) herum verteilt sind, wobei sich jede Verbindungswand (31) aus der ersten gekrümmten ringförmigen Oberfläche (29.1) erstreckt, und am Motorgehäuse (13) befestigt ist.
  6. Ansaugvorrichtung (12) nach einem der Ansprüche 1 bis 5, wobei das Motorgehäuse (13) eine Vielzahl von Durchgangslöchern (27) umfasst, die im Winkel voneinander versetzt sind, und die um die Durchführungsöffnung (14) herum verteilt sind, wobei der erste ringförmige Dichtungsabschnitt (19) im Bereich der Durchgangslöcher (27) derart an dem Motorgehäuse (13) angeformt ist, dass der ringförmige Dichtungsvorsprung (28) die Durchgangslöcher (27) abdeckt.
  7. Ansaugvorrichtung (12) nach Anspruch 6, wobei sich jedes Durchgangsloch (27) als Kreisbogen erstreckt.
  8. Ansaugvorrichtung (12) nach Anspruch 6 oder 7, wobei die Durchgangslöcher (27) in Umfangsrichtung ausgerichtet sind.
  9. Ansaugvorrichtung (12) nach einem der Ansprüche 6 bis 8, wobei das Motorgehäuse (13) einen Halteteil (23) umfasst, an dem der erste ringförmige Dichtungsabschnitt (19) angeformt ist, wobei der Halteteil (23) einen kreisrunden Haltering (24) umfasst, der die Durchführungsöffnung (14) definiert, einen Haupthalteabschnitt (25), der sich um den kreisrunden Haltering (24) herum erstreckt, und Verbindungslaschen (26), die den kreisrunden Haltering (24) mit dem Haupthalteabschnitt (25) verbinden, wobei die Verbindungslaschen (26) im Winkel voneinander beabstandet sind, um mit dem kreisrunden Haltering (24) und dem Haupthalteabschnitt (25) die Durchgangslöcher (27) zu bilden.
  10. Ansaugvorrichtung (12) nach einem der Ansprüche 1 bis 9, wobei der zweite ringförmige Dichtungsabschnitt (21) konfiguriert ist, um in dichter Form am Ansaugmotor (15) anliegend angedrückt und gehalten zu werden, wenn der Ansaugmotor (15) versorgt wird und einen Ansaugstrom erzeugt.
  11. Ansaugvorrichtung (12) nach einem der Ansprüche 1 bis 10, wobei der zweite ringförmige Dichtungsabschnitt (21) einen Außendurchmesser kleiner als ein Außendurchmesser des ersten ringförmigen Dichtungsabschnitts (19) aufweist.
  12. Ansaugvorrichtung (12) nach einem der Ansprüche 1 bis 11, wobei das aeraulische Dichtungselement (18) weiter einen ringförmigen Zwischenabschnitt (22) umfasst, der sich zwischen dem ersten und dem zweiten ringförmigen Dichtungsabschnitt (19, 21) befindet, wobei der ringförmige Zwischenabschnitt (22) einen ersten röhrenförmigen Abschnitt (35) umfasst, der sich aus dem ersten ringförmigen Dichtungsabschnitt (19) und in Richtung des Ansaugmotors (15) erstreckt, und einen zweiten röhrenförmigen Abschnitt (36), der sich aus dem zweiten ringförmigen Dichtungsabschnitt (21), und entgegengesetzt zum Ansaugmotor (15) erstreckt, wobei der erste und zweite röhrenförmige Abschnitt (35, 36) im Wesentlichen konzentrisch sind, und axial voneinander versetzt sind.
  13. Ansaugvorrichtung (12) nach einem der Ansprüche 1 bis 12, wobei das aeraulische Dichtungselement (18) konfiguriert ist, um den Ansaugstrom von der Durchführungsöffnung (14) bis zur Lufteintrittsöffnung (17) zu leiten.
  14. Haushaltssauger (2), umfassend eine Ansaugvorrichtung (12) nach einem der vorstehenden Ansprüche.
  15. Aeraulisches Dichtungselement (18) für einen Haushaltssauger, umfassend einen ersten ringförmigen Dichtungsabschnitt (19), der konfiguriert ist, um in dichter Form mit einem Motorgehäuse (13) zusammen zu wirken, und einen zweiten ringförmigen Dichtungsabschnitt (21), der konfiguriert ist, um in dichter Form mit einem Ansaugmotor (15) zusammen zu wirken, dadurch gekennzeichnet, dass der erste ringförmige Dichtungsabschnitt (19) an das Motorgehäuse (13) angeformt ist, und einen ringförmigen Dichtungsvorsprung (28) umfasst, der sich um die Durchführungsöffnung (14) herum erstreckt, und der konfiguriert ist, um in dichter Form mit dem Gehäuse (3) des Haushaltssaugers zusammen zu wirken.
EP19191538.8A 2018-09-24 2019-08-13 Ansaugvorrichtung für haushaltssauger Active EP3626143B1 (de)

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JP2874401B2 (ja) * 1991-09-26 1999-03-24 松下電器産業株式会社 電気掃除機
JP4538043B2 (ja) * 2007-11-28 2010-09-08 株式会社東芝 電気掃除機
EP2255711A1 (de) * 2009-03-17 2010-12-01 Koninklijke Philips Electronics N.V. Staubsauger
DE102014111214B4 (de) * 2014-08-06 2023-04-20 Vorwerk & Co. Interholding Gmbh Staubsauger mit einem Elektromotor zum Erzeugen von Saugluft und mit einer Platine
US20180296048A1 (en) * 2015-11-02 2018-10-18 Koninklijke Philips N.V. Device for mounting a motor assembly of an electric appliance
IT201600113594A1 (it) * 2016-11-10 2018-05-10 Freudenberg Sealing Tech S A S Di Externa Italia S R L U Gruppo di tenuta per un organo rotante
FR3086157B1 (fr) * 2018-09-24 2020-09-04 Seb Sa Dispositif d’aspiration pour aspirateur domestique

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ES2959698T3 (es) 2024-02-27
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FR3086157A1 (fr) 2020-03-27
FR3086157B1 (fr) 2020-09-04
CN110934539A (zh) 2020-03-31
CN211511626U (zh) 2020-09-18

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